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2600106001
Steel cord conveyor belt curing press line
Technical specification
Qingdao Doublestar Rubber & Plastic Machinery Co., Ltd Feb. 21, 2013
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 1/29
Index
1. Scope of supply
2. Technological process
3. Machine structure
4. Technical parameter
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 2/29
. Scope of supply
No. Equipment Unit Qty. Note
1 Creel Set 1
2 Tension station Set 1
3 Fixed comb device Set 1
4 Building machine Set 1
5 Inspection device Set 1 With motor
6 Belt releasing device Set 2
7 Curing press Set 1
8 Centering device Set 2
9 Supporting roller Set 2
10 Belt pulling device Set 1
11 Belt repairing press Set 1
12 Hydraulic belt cutting device Set 1
13 Centering and encoder device Set 2
14 Double ground rollers type belt
wind-up and packing device Set 1
15 Shaft type wind-up and packing
device
16 Hydraulic system Set 1 Contain pipeline and valve
17 Electric control system Set 1
18 Heating balance system of the
upper/lower platform Set 1
19 Foundation bolts Set 1
20 Steam and water escape system Set 1
21 Electric wire Set 1
The following items are not included in scope of supply
a. Workshop and external power supply wire.
b. Wire between main power and control cabinet.
c. Connecting pipeline and valves between external power supplycooling waterand machine
set.
d. Lubricating oil, hydraulic oil
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 3/29
.Technological process
Creel Tension station Fixed comb device Building machine Inspection device
Centering deviceBelt releasing device Curing pressBelt releasing deviceCentering
devicesupporting rollers (2sets)Belt pulling deviceBelt repairing press Hydraulic belt
cutting device Centering and encoder deviceDouble ground rollers type winding-up and packing
device Centering and encoder deviceShaft type winding-up and packing device.
Equipment center height is 1300mmThe lower surface of upper heating platen to the floor).
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 4/29
. Machine structure
1. Creel
The creel is frame structure that has 196 spindles. There are 3 layers, each layer has 2 lines. Every
spindle is equipped with a torque motor and reducer to apply initial tension and back tension for steel
cord. Steel spindles are loaded and unloaded by 3 sets electrical cranes (load capacity: 1000kg) and
loading cassette. Steel wire deflection guiding devices made of abrasion resistant and self lubricating
ceramic are installed at steel wire exits, which can guarantee steel wires in order and reduce abrasion.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 5/29
2. Tension station
The tension station consists of clamping, tension moving, tension cylinder, pull-back cylinder,
pulley group and hydraulic system etc. The frame is welded and assembled by steel plates. All the
tension cylinders are separate from each others that convenient for maintain. The station is controlled
by same working hydraulic pressure to guarantee same and constant tension cylinder ejecting force.
The control system adopts PLC.
The steel cord pulleys use self lubricating bearing, so there will be no oil drip. The steel cord
surface can keep good adhesive performance.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 6/29
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 7/29
3. Swing comb device
The swing pin structure is used for accurate positioning of steel cord. This device consists of comb
frame, supporting roller and fixed comb etc. The comb plate can complete R&L adjustment and can
turn forward 90 degree, this design is convenient to make the steel cord cross and change the comb
plate. The comb plate is square steel tube with spring steel pin. One kind of comb plate is supplied
with the curing press line.
4. Inspection device
This device is used for checking green belt. Moved by motor.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 8/29
5. Building machine
The building machine consists of upper rubber let-off device, lower rubber let-off device, refining
comb device, cold pressure plate, edge-rubber cutter(trimming knives), hydraulic driving system,
hydraulic system, back traction cylinder and centering device. The machine frame is assembled by
welded profile steel; there is one set refining comb device which can keep even distribution of
steel-cord rope during building. The comb plate can be equipped from the side. One kind of comb
plate is supplied when we supply the curing press line.
The movement of building machine is driven by 4 hydraulic motors, and there is a centering device
on the building machine center line that can ensure the movement reliable and stable.
Therere four rounded cutting knives(trimming knives) are equipped on the outlet of cold pressure
plate to ensure accurate cutting. The design is suitable for curing two belt at the same time.
The control system adopts PLC.
The surface of cold pressure plate adopts tire mold design, it uses Thermal spraying teflon.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 9/29
6. Curing press
The curing press is designed according to standard HG/T30341999.
(1) Frame
This part is made of Q235 steel plate in welded structure. Its treated by mechanic shot-blasting
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 10/29
and spraying with zinc-rich paint. The mechanical processing will be done after shock eliminating
stress.
(2) Heating platen
Heating platens are made of 35# steel plate which is treated by normalizing on the double fixed
rule. The heating platen surface roughness is Ra1.6, and double cooling ends are 300mm x 2. Each
platen has 6 heating zones which have one point for temperature measuring. Totally there are 12
points for temperature measuring. There is a group of electrical valves at the steam entrance of each
platen, which can adjust temperature automatically. Theres a manual adjusting valve to control
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 11/29
temperature at the steam entrance of each heating zone, and the temperature of each heating zone can
show at the general control panel.
The cured belt cooling area can exchange by cooling and heating.
(3) Top and bottom platform
Theyre made of Q235 steel plate, to make sure the production accuracy. The material is cutting
automatically. The parts adopt carbon dioxide welding with alloy welding wire. After welding, the
complete part will undergo heating treatment to eliminate stress thoroughly. In this way, therell be no
deformation during mechanical processing. Theres double direction heat balancing device on the
upper/lower platforms to eliminate heat deformation during curing.
(4) Hydraulic cylinder
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 12/29
Hydraulic cylinder is made of ZG270-500, and the plunger is made of chilled cast iron. The
double-sealing ring and the dust-proof ring structure can guarantee a long life time.
(5) Hydraulic automatic side edge iron device
There is one set of hydraulic automatic side edge iron device at each side of lower platform. With
help of four hydraulic cylinders, the side edge iron can hold on line before mold-closing through PLC,
operation of front & middle clamping device to guarantee belt centering and same width.
(6) Hydraulic type lifting balance device
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 13/29
There are 2 pairs of hydraulic type lifting balance devices at both sides of lower platform to
guarantee lower horizontal lifting of platform with help of hydraulic cylinder uniform devices.
(7) Heat insulation plate
There are no asbestos in the heat insulation plate. Pressure resistance 400kg/cm2, thermal
conductivity is 0.022w/m.h, temperature resistance is 220250, thickness is 15 mm.
(8) Mold closing guide device
Therere four pairs of gap adjustable mold closing guide device at both sides of platen press, the
displacement tolerance of heating platen is no more than 0.5 mm.
(9) On both side of curing press, there are supporting roll (steel tube) frames for thin belt transfer.
7. Belt pulling device
It consists of F&B supporting rollers, traction roller, frame, clamping device and gearing device etc.
Six small cylinders clamp the conveyor belt and then stretch the steel cord with tension station. The
roll has knurling on working surface to increase roll traction on belt. This device has clamping,
stretching and pulling function on belt to meet the steel cord clamping and belt traction.
8. Belt repairing machine
Fixed structure, stream heating, manually control. It is steel structure, and there is temperature
display device on the heating platen side. The plunger is made of chilled cast iron. Heating platens are
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 14/29
made of 35# steel plate which is treated by normalizing.
9. Hydraulic belt cutting device
It adopts horizontal moving cutting method which can cut any kind and size of conveyor belts.
The control system adopts PLC control to realize auto cutting.
10. Double ground roller type wind-up and packing device
This device is double ground roller type with edge guide device. It has centering device. Digital
display counter can show accurate numbers.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 15/29
11. Shaft type wind-up and packing device(picture is just for indicate
the type and structure)
This device is driving and shaft type with edge guide device.It has centering
device.Digital display counter can show accurate numbers.(Note: picture is just for
indicate the type and structure)
12. Hydraulic system
The hydraulic system is designed according to the technological process and action requirement.
The main hydraulic parts are Yuken brand or Beijing Huade brand to guarantee the quality and
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 16/29
reliability of operating
13. Electrical system
The perfect control system uses Mitsubishi Q series PLC. Other normal parts are mainly
Schneider brand. The assist machine use electro connecting pressure gauges. The temperature and
pressure are set by manual and automatic display. There should be Ethernet module. Each part of the
curing press line can operated manually, automatically or whole line link operation.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 17/29
.Technical parameter
1. Equipment manufacturing standards
StandardsGB/T9002-ISO9002-94 ,GBT97702001 Steel cord conveyor belts for general
use, GBT79842001 Conveyor belts Specification for rubber or plastic covered conveyor belts of
textile construction for general use, HG/T30341999 daylight press, HG/T 3229-1999 Testing and
measuring methods for daylight press, and some Computer-aided design standards.
2. Technical parameter
2.1 Creel
1spindle Qty. 196PCS
2Initial tension 80400N/one steel wire
3Acting method of initial tension in creel Torque motor
4Steel wire diameter 2.513mm
5Spindle arrangement 3 layers, 3 lines
6Steel spindles loaded & unloaded 3 sets electrical cranes (load capacity: 1000kg)
7Direction-finding equipment Abrasion resistant ceramic
8Max. spindle size 760mm390mm
2.2 Tension station with clamping holder
1Steel wire Qty. 192pcs
2Dia. Of steel wire 2.513mm
3Tension of each steel wire 0.84KN
4Clamping force of clamping device 1200KN
5Arc clamping plate width 500mm
6Clamping cylinder dia. 200mm
7Clamping cylinder stroke 150mm
8Clamping cylinder Qty. 2pcs
9Clamping cylinder pressure 19.6Mpa
10Small tension cylinder dia. 25mm
11Small tension cylinder stroke 150mm
12Small tension cylinder Max. working pressure 16.3Mpa
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 18/29
13Pull-back cylinder diameter 63mm
14Pull-back cylinder stroke 160mm
15Pull-back cylinder Qty. 2pcs
16Constant tension cylinder diameter 200mm
17Constant tension cylinder Qty. 2pcs
18Constant tension cylinder stroke 350mm
2.3 Sewing comb device
1Height from pin bottom to floor 1260mm
2Slots Qty. 192pcs
3Structure type Swing type
2.4 Building machine with rubber edge cutter(trimming knives)
1Diameter and Qty. of cutting knives(trimming knives) 2pcs
2Cool pressure plate size 11002600mm
3Max. pressure of cool pressure 4Mpa
4Cool pressure cylinder 2600mm
5Cool pressure cylinder stroke 280mm
6Max. working pressure of hydraulic system 20Mpa
7Building machine moving speed 6m/minpositioning accuracy10mm
8Max. diameter of upper cover rubber material roll 1500mm
9Max. diameter of lower cover rubber material roll 1200mm
10Max. width of cover rubber material roll 2600mm
11Square shaft size of rubber roll let-off 8080mm
12Max. diameter of liner winding-up 600mm
13Max. width of liner winding-up 2600mm
14Square shaft size of liner winding-up 4545mm
15Lateral moving speed of let-off device 6m/min
16Prevent belt sticking Covered with PTFE
2.5 Supporting roller
1Supporting roller height 1260mm
2Diameter of supporting roller 120mm
3Diameter of centering roller 110mm
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 19/29
2.6 Curing press
1Structure type Frame type hydraulic up stroke
2Size of platen 26001060090mm
3Curing width 1800-2400mm
4Thickness of curing 640mm
5Mold closing force 124.02MN
6Unit pressure 4.5MPa
7Max. stroke of ram 350mm
8Dia. of ram 650mm
9Qty. of ram 16pcs
10Max. working pressure of hydraulic system 23 Mpa
11High and low pressure switch pressure value 1.5MPa
12Rising speed of platen 360mm/min
13Platen dropping rely on its own weight
14Max. working temperature of platen 170
15The heating platen surface roughness Ra 1.6m
16Cold ends of platen 300mm (Two ends can be used for cooling and stream heating)
17Steam pressure 0.8Mpa
18The height from lower surface of upper platen to floor 1300mm
2.7 Belt pull device
1Max. belt width 2400mm
2Max. belt thickness 40mm
3Max. diameter of belt pulling roll 750mm
4Max. traction force 150KN
5Linear velocity of pull belt Steel cord belt linear velocity 8m/min
6Max. clamping force 1200KN
7Qty. of clamping cylinder 6pcs
8Dia. of clamping cylinder 125 mm
9Max. working pressure of clamping cylinder 16.3Mpa
2.8 Repairing press
1Size of platen 2600100070mm
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 20/29
2Unit pressure 3.0Mpa
3Mold closing force 7.8MN
4Dia. of ram 500mm
5Qty. of cylinder 2pcs
6Max. working pressure of hydraulic system 20 Mpa
7Stroke of culinder 150mm
8Control Manually operation
9Heating Steam heating
(10) Cold ends of platen 80mm (Two ends can be used for cooling and stream heating)
2.9 Hydraulic belt cutting device
1Max. cutting width 2600mm
2Max. cutting thickness 40mm
3Belt cutting mechanism moving speed 2.75m/min
4Max. working pressure of hydraulic system 14MPa
2.10 Wind-up and packaging deviceDouble ground rollers type
1Max. width of rolling belt 2400mm
2Max. dia. range of rolling belt 3500mm
3Max. weight of rolling belt 30T
4Linear speed of rolling belt 12m/min
5Type Double ground rollers
2.11 Wind-up and packaging deviceShaft type
1Max. width of rolling belt 2500mm
2Max. dia. range of rolling belt 4000mm
3Max. weight of rolling belt 50T
4Linear speed of rolling belt 12m/min
5Driving Type Torque motor
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 21/29
. Manufacturing process
1. All produces are designed with SolidWorks and have finite-element analysis to
ensure the quality.
Frame static displacement analysis
Stress analysis Beam static displacement analysis
2. All welding materials such as steel plates, merchant steel are cleaning and
surface de-rusting before welding
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 22/29
3. Large welding parts are weld with submerged-arc welding and have weld inspection
test.
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 23/29
4. After welding , welding parts have stress relieving treatment
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 24/29
5. CNC (computerized numerical control) plasma cutting device are used to cut the steel
plate to reduce the deformation
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 25/29
6. Assembly workshop
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 26/29
1800x16000x1 steel cord conveyor belt curing press
1800x16000x1
7. Customers workshop
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 27/29
Zhejiang Hanbang
Zhejiang Tiantie
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 28/29
Kaifeng Tieta
Dongying Zhongyi
QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO., LTD.
AddNo.768 Taishan Road, Jiaonan, Qingdao City, China Website: www.doublestar.cc Tel: 0086-532-86164073 86164673 E-mail: sheldon@doublestar.cc 29/29
8. Main customers
Qingdao Rubber Six Group Co., Ltd
Zhejiang Tiantie Industry Co., Ltd
Zhejiang Sanwei Rubber Item Co., Ltd
Shandong Han Bang Rubber Belt Co., Ltd
Qingdao Juhang Tape Co., Ltd.
Hebei Yichuan Conveyor Belt Group
Kaifeng Iron Tower Rubber Co., Ltd
Chongqing Zhongnan Rubber Co., Ltd
Dongying Zhongying Rubber Co.,Ltd
Anhui Pandeng Heavy Industry Co., Ltd.
Jiangxi Wanri Rubber Co., Ltd
Guizhou Guihang conveyor Belt Co., Ltd
Ohji Rubber & Chemicals Co., Ltd
Australia Goodyear
Thailand Union Belt
Thailand MUI Rubber
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