CN110950123B - Three-station adhesive tape laminating device for conveying belt calendering production line - Google Patents
Three-station adhesive tape laminating device for conveying belt calendering production line Download PDFInfo
- Publication number
- CN110950123B CN110950123B CN201911302299.5A CN201911302299A CN110950123B CN 110950123 B CN110950123 B CN 110950123B CN 201911302299 A CN201911302299 A CN 201911302299A CN 110950123 B CN110950123 B CN 110950123B
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- China
- Prior art keywords
- coiling
- unwinding
- adhesive tape
- station
- laminating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
- B65H23/0204—Sensing transverse register of web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
- B65H23/1825—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations and controlling web tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
- B65H2701/11332—Size of webs strip, tape, narrow web
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a three-station adhesive tape laminating device for a conveyor belt calendering production line, and belongs to the technical field of conveyor belts. The invention aims to solve the problems of high production cost and low efficiency caused by the fact that multiple people need to repeatedly hoist the rollers when the conveyer belt containing multiple layers of adhesive tapes is produced in the prior art. The adhesive tape laminating device with three stations is provided with an adhesive tape coiling and unwinding device with double functions of coiling and unwinding and a lining cloth coiling and unwinding device, and can automatically produce double-layer, three-layer, four-layer, five-layer or even more-layer conveying belts under the automatic control of a computer. Meanwhile, the three-station adhesive tape laminating device for the conveyor belt calendering production line has the advantages of high automation degree, low production cost and the like, is simple in structure and high in working reliability, and can stably run without excessive manual maintenance.
Description
Technical Field
The invention belongs to the technical field of conveying belts, and particularly relates to a three-station adhesive tape laminating device for a conveying belt calendering production line.
Background
The conveying device is important conveying equipment in industries such as mines, wharfs and the like. The conveying belt is an important component of a conveying device, and the demand of the conveying belt is increasing at present. The layered belt is one of the conveyer belts and has a market leading position. The layered belt is a conveying belt which is formed by attaching a plurality of layers of rubberized fabric (rubberized fabrics on the upper surface and the lower surface of canvas) to a layered belt core and covering rubber on the upper surface and the lower surface of the canvas. At present, a laminated belt produced by a conveyor belt manufacturer transports a rolled rubberized fabric to a laminating equipment workshop for lamination. The coil needs to be repeatedly hung and replaced, so that the time and the labor are wasted, the production period is longer, and the efficiency is low.
Disclosure of Invention
Aiming at the problems of long production period and low efficiency in the prior art, the invention provides a laminating device for manufacturing a laminated belt on line on an adhesive tape production line in order to meet the diversified demands of market development and aim to improve the productivity and the laminating quality of the laminated belt. Realize the online production layering area, improved production efficiency, reduce intensity of labour, improve adhesive tape production line automation level.
The utility model provides a three station adhesive tape laminating devices for conveyer belt calendering production line, three station adhesive tape laminating devices including No. I station device 1, No. II station device 2 and No. III station device 3 that set up side by side.
The station device 1 comprises a force measuring bearing 4, a gluing device 5, an adhesive tape coiling and unwinding device 6, a lining cloth coiling and unwinding device 7 and a gluing conveyor 8, wherein the force measuring bearing, the gluing device 5, the adhesive tape coiling and unwinding device 6 and the lining cloth coiling and unwinding device 7 are sequentially arranged on a frame of the station device from upstream to downstream, and the gluing conveyor is positioned at the lower part of the device. The adhesive tape coiling and unwinding device 6 and the lining cloth coiling and unwinding device 7 both have the functions of material coiling and unwinding.
No. 2 station devices are the same as the No. 1 station devices.
The No. III station device 3 comprises a conveying belt coiling device 9 and a lining cloth unwinding device 10 which are sequentially arranged on a station device rack from upstream to downstream, the conveying belt coiling device 9 has a material coiling function, and the lining cloth unwinding device 10 has a material unwinding function.
Further, the adhesive tape winding and unwinding device 6 and the lining cloth winding and unwinding device 7 have the same structure, and both comprise a motor 11, a coupling a12, a brake 13, a speed reducer a14, a clutch a15, a pneumatic safety chuck 16, a transmission frame 17, a mandrel 18, a coupling b19, a speed reducer b20, a clutch b21, a magnetic powder brake 22 and an operation side frame 23.
The motor 11, the brake 13, the speed reducer a14 and the clutch a15 are arranged on the transmission frame 17; the speed reducer b20, the clutch b21 and the magnetic powder brake 22 are installed on the operation side frame 23.
The brake 13 is connected with the rotating shaft of the motor 11 through a coupler a 12; one end of the speed reducer a14 is connected with the brake 13, and the other end is connected with the input end of the clutch a 15; one end of the mandrel 18 is arranged on the output end of the clutch a15, and the other end is arranged on the reducer b20 through a coupling b 19; the magnetic powder brake 22 is connected with a speed reducer b20 through a clutch b 21; two pneumatic safety chucks 16 are mounted on the mandrel 18 for mounting the rollers.
The laminating device 5 comprises a frame 27, and an air cylinder 24, a laminating roller 25 and a traction roller 26 which are arranged on the frame 27; laminating roller 25 be located carry over pinch rolls 26 directly over, the output of cylinder 24 link to each other with laminating roller 25 for the removal of drive laminating roller 25, and then controllable laminating power.
The working principle of the adhesive tape coiling and unwinding device 6 and the lining cloth coiling and unwinding device 7 is as follows:
when the winding device is used for winding, the clutch a15 is powered on, the clutch b21 is powered off, the motor 11 provides power to drive the roller arranged on the mandrel 18 to complete the winding function, the winding tension is controlled by the force measuring bearing 4, and the numerical value required by the process is set on the display screen of the operating platform, so that the process tension required by winding the adhesive tape is ensured;
when the magnetic powder brake is used for unwinding, the clutch a15 is de-energized, the speed reducer a14 is disconnected, the clutch b21 is energized to switch on the magnetic powder brake 22, the tension is constant when unwinding is carried out from a large winding diameter to a small winding diameter, and the unwinding tension is controlled in a closed loop mode through the force measuring bearing 4.
Furthermore, in order to ensure that the edge is neat when the lining cloth is led away, a deviation rectifying and centering device is arranged. And when the guided lining cloth is offset, the sensor feeds the detected offset back to the electric push rod execution structure to push the lining cloth unwinding mechanism to move left and right back and forth, so that the lining cloth edge is ensured to be neat.
The working principle of the invention is as follows:
when the double-layer laminating is carried out:
1) the single-layer adhesive tape (the rubber is laminated on two sides of the tape core) produced from a host machine at a higher level is coiled on an adhesive tape coiling and unwinding device of a station device I, a lining cloth coiling and unwinding device of the station device I guides the lining cloth away and is attached to the surface of the adhesive tape respectively during coiling so as to prevent the adhesive tape from being laminated, after the coiling operation is completed, the adhesive tape is manually cut off, the working mode of the adhesive tape coiling and unwinding device is switched from coiling to unwinding, and the working mode of the lining cloth coiling and unwinding device is switched from unwinding to coiling.
2) The adhesive tape on the adhesive tape coiling unwinding device is unwound (the lining cloth is coiled on the lining cloth coiling unwinding device), and the adhesive tape from a host machine at the upper level are jointed on a jointing device of a station device I to form a double-layer conveying belt, and the jointing force is detected and controlled by a force measuring bearing in the jointing process.
3) The laminated double-layer conveying belt is conveyed to the adhesive tape coiling and unwinding device of the station II device by the laminating conveyor to be coiled, and the working flow of the station II device is the same as that of the station I device.
When three layers of lamination are carried out:
1) the adhesive tape coiling and unwinding device of the station device II is coiled with double layers of adhesive tapes in advance, the working mode of the adhesive tape coiling and unwinding device of the station device II is set as unwinding, and the working mode of the lining cloth coiling and unwinding device is set as coiling;
2) the adhesive tape coiling and unwinding device of the station device II unwinds the double-layer adhesive tape, and the double-layer adhesive tape and the single-layer adhesive tape from the host machine of the upper level are jointed on the jointing device of the station device I to form a three-layer conveying belt, and the jointing force is detected and controlled by the force measuring bearing in the jointing process.
3) The laminated three-layer conveying belt is conveyed to a rubberized fabric coiling device of a No. III station device by a laminating conveyor to be coiled.
When four layers of lamination are carried out:
the double-layer adhesive tapes are coiled on the adhesive tape coiling and unwinding devices of the station device I and the station device II, and the double-layer adhesive tapes are coiled on the adhesive tape coiling device of the station device III after being jointed into four layers of conveying belts.
When five layers of lamination are carried out:
the double-layer adhesive tapes are coiled on the adhesive tape coiling and unwinding devices of the station device I and the station device II, the single-layer adhesive tapes from the host machine of the superior level are pasted to form a five-layer conveying belt, and the five-layer conveying belt is coiled on the adhesive tape coiling device of the station device III after being pasted.
The invention has the beneficial effects that:
the three-station adhesive tape laminating device for the conveyor belt calendering production line has the advantages of high automation degree, low production cost and the like, is simple in structure and high in working reliability, and can stably run without excessive manual maintenance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the tape winding and unwinding device and the structure of the lining cloth winding and unwinding device;
FIG. 3 is a schematic structural view of a bonding apparatus.
In the figure: 1. a station I device; 2. a station II device; 3. a station III device; 4. a force measuring bearing; 5. a bonding device; 6. a rubberized fabric coiling and unwinding device; 7. a lining cloth coiling and unwinding device; 8. a laminating conveyor; 9. a conveyor belt take-up device; 10. a lining cloth unwinding device; 11. a motor; 12. a coupler a; 13. a brake; 14. a reducer a; 15. a clutch a; 16. a pneumatic safety chuck; 17. a transmission frame; 18. a mandrel; 19. a coupler b; 20. a speed reducer b; 21. a clutch b; 22. a magnetic powder brake; 23. operating the side frame; 24. a cylinder; 25. a laminating roller; 26. a traction roller; 27. and a frame.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the present invention is further described below with reference to the accompanying drawings in combination with the embodiments so that those skilled in the art can implement the present invention by referring to the description, and the scope of the present invention is not limited to the embodiments. It is to be understood that the embodiments described below are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A three-station adhesive tape laminating device (black arrows in the figure indicate single-layer adhesive tapes) for a conveyor belt calendering production line as shown in figure 1 comprises a station device I1, a station device II 2 and a station device III 3 which are arranged in parallel.
The station device 1 comprises a force measuring bearing 4, a gluing device 5, an adhesive tape coiling and unwinding device 6, a lining cloth coiling and unwinding device 7 and a gluing conveyor 8, wherein the force measuring bearing, the gluing device 5, the adhesive tape coiling and unwinding device 6 and the lining cloth coiling and unwinding device 7 are sequentially arranged on a frame of the station device from upstream to downstream, and the gluing conveyor is positioned at the lower part of the device. The adhesive tape coiling and unwinding device 6 and the lining cloth coiling and unwinding device 7 both have the functions of material coiling and unwinding.
No. 2 station devices are the same as the No. 1 station devices.
The No. III station device 3 comprises a conveying belt coiling device 9 and a lining cloth unwinding device 10 which are sequentially arranged on a station device rack from upstream to downstream, the conveying belt coiling device 9 has a material coiling function, and the lining cloth unwinding device 10 has a material unwinding function.
Further, the adhesive tape winding and unwinding device 6 and the lining cloth winding and unwinding device 7 have the same structure, and as shown in fig. 2, each of the devices includes a motor 11, a coupling a12, a brake 13, a speed reducer a14, a clutch a15, a pneumatic safety chuck 16, a transmission frame 17, a spindle 18, a coupling b19, a speed reducer b20, a clutch b21, a magnetic powder brake 22, and an operating side frame 23.
The motor 11, the brake 13, the speed reducer a14 and the clutch a15 are arranged on the transmission frame 17; the speed reducer b20, the clutch b21 and the magnetic powder brake 22 are installed on the operation side frame 23.
The brake 13 is connected with the rotating shaft of the motor 11 through a coupler a 12; one end of the speed reducer a14 is connected with the brake 13, and the other end is connected with the input end of the clutch a 15; one end of the mandrel 18 is arranged on the output end of the clutch a15, and the other end is arranged on the reducer b20 through a coupling b 19; the magnetic powder brake 22 is connected with a speed reducer b20 through a clutch b 21; two pneumatic safety chucks 16 are mounted on the mandrel 18 for mounting the rollers.
The laminating apparatus 5 shown in fig. 3 includes a frame 27, and an air cylinder 24, a laminating roller 25 and a pulling roller 26 mounted on the frame 27; the laminating roller 25 is positioned right above the traction roller 26, the output end of the air cylinder 24 is connected with the laminating roller 25 and used for driving the laminating roller 25 to move so as to control the laminating force, and the dotted line in fig. 3 represents the maximum distance that the laminating roller 25 can be too high.
The working principle of the adhesive tape coiling and unwinding device 6 and the lining cloth coiling and unwinding device 7 is as follows:
when the winding device is used for winding, the clutch a15 is powered on, the clutch b21 is powered off, the motor 11 provides power to drive the roller arranged on the mandrel to complete the winding function, the winding tension is controlled by the force measuring bearing 4, and the numerical value required by the process is set on the display screen of the operating platform, so that the process tension required by winding the adhesive tape is ensured;
when the magnetic powder brake is used for unwinding, the clutch a15 is de-energized, the speed reducer a14 is disconnected, the clutch b21 is energized to switch on the magnetic powder brake 22, the tension is constant when unwinding is carried out from a large winding diameter to a small winding diameter, and the unwinding tension is controlled in a closed loop mode through the force measuring bearing 4.
In order to ensure that the edge is neat when the lining cloth is led away, a deviation rectifying and centering device is arranged. And when the guided lining cloth is offset, the sensor feeds the detected offset back to the electric push rod execution structure to push the lining cloth unwinding mechanism to move left and right back and forth, so that the lining cloth edge is ensured to be neat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A three-station adhesive tape laminating device for a conveyor belt calendering production line is characterized by comprising a station device I (1), a station device II (2) and a station device III (3) which are arranged in parallel;
the station device I (1) comprises a force measuring bearing (4), a laminating device (5), an adhesive tape coiling and unwinding device (6), a lining cloth coiling and unwinding device (7) which are sequentially arranged on a station device rack, and further comprises a laminating conveyor (8) which is positioned on the lower side of the force measuring bearing (4), the laminating device (5), the adhesive tape coiling and unwinding device (6) and the lining cloth coiling and unwinding device (7); the adhesive tape coiling and unwinding device (6) and the lining cloth coiling and unwinding device (7) both have material coiling and unwinding functions;
the second station device (2) is the same as the first station device (1);
the No. III station device (3) comprises a conveyer belt coiling device (9) and a lining cloth unwinding device (10) which are sequentially arranged on a station device rack, the conveyer belt coiling device (9) has a material coiling function, and the lining cloth unwinding device (10) has a material unwinding function;
the rubberized fabric coiling and unwinding device (6) and the lining cloth coiling and unwinding device (7) are identical in structure and respectively comprise a motor (11), a coupler a (12), a brake (13), a speed reducer a (14), a clutch a (15), a pneumatic safety chuck (16), a transmission rack (17), a mandrel (18), a coupler b (19), a speed reducer b (20), a clutch b (21), a magnetic powder brake (22) and an operation side rack (23);
the motor (11), the brake (13), the speed reducer a (14) and the clutch a (15) are arranged on the transmission rack (17); the speed reducer b (20), the clutch b (21) and the magnetic powder brake (22) are arranged on the operation side frame (23);
the brake (13) is connected with a rotating shaft of the motor (11) through a coupling a (12); one end of the speed reducer a (14) is connected with the brake (13), and the other end of the speed reducer a (14) is connected with the input end of the clutch a (15); one end of the mandrel (18) is arranged on the output end of the clutch a (15), and the other end of the mandrel is arranged on the reducer b (20) through a coupler b (19); the magnetic powder brake (22) is connected with the reducer b (20) through a clutch b (21); two pneumatic safety chucks (16) are arranged on the mandrel (18) and used for installing a roller;
the laminating device (5) comprises a rack (27), and an air cylinder (24), a laminating roller (25) and a traction roller (26) which are arranged on the rack (27); laminating roller (25) be located carry over pinch rolls (26) directly over, the output of cylinder (24) link to each other with laminating roller (25) for the removal of drive laminating roller (25), control laminating power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911302299.5A CN110950123B (en) | 2019-12-17 | 2019-12-17 | Three-station adhesive tape laminating device for conveying belt calendering production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911302299.5A CN110950123B (en) | 2019-12-17 | 2019-12-17 | Three-station adhesive tape laminating device for conveying belt calendering production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110950123A CN110950123A (en) | 2020-04-03 |
| CN110950123B true CN110950123B (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911302299.5A Active CN110950123B (en) | 2019-12-17 | 2019-12-17 | Three-station adhesive tape laminating device for conveying belt calendering production line |
Country Status (1)
| Country | Link |
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| CN (1) | CN110950123B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1941298A1 (en) * | 1969-08-14 | 1971-02-18 | Continental Gummi Werke Ag | Device for the production of conveyor belts |
| DE2447885C2 (en) * | 1974-10-08 | 1981-12-24 | Continental Gummi-Werke Ag, 3000 Hannover | Device for the production of conveyor belts |
| JP2913575B2 (en) * | 1994-08-09 | 1999-06-28 | 株式会社トム | Method and apparatus for manufacturing multilayer noodle belt |
| CN2242174Y (en) * | 1995-12-30 | 1996-12-11 | 阜新橡胶总厂 | Machine for forming conveyer belt |
| CN1317120C (en) * | 2003-04-30 | 2007-05-23 | 张芝泉 | Automatic producing interlink machine unit of radialply tire inner lining thin film |
| CN201175997Y (en) * | 2008-01-28 | 2009-01-07 | 青岛双星橡塑机械有限公司 | Molding production line for blank of conveying belt |
| CN201693776U (en) * | 2010-06-02 | 2011-01-05 | 青岛双星橡塑机械有限公司 | Novel feeding frame |
| CN101955080A (en) * | 2010-09-15 | 2011-01-26 | 无锡锦和科技有限公司 | Production line for producing adhesive tapes |
| CN202784966U (en) * | 2012-08-14 | 2013-03-13 | 太仓冠联高分子材料有限公司 | Film double-station plane friction winding down frame |
| CN203460443U (en) * | 2013-08-14 | 2014-03-05 | 青岛橡六集团有限公司 | Constant tension bidirectional belt core molding machine for rubber conveyer belt |
| CN203888331U (en) * | 2014-06-04 | 2014-10-22 | 青岛华夏橡胶工业有限公司 | Continuous forming machine of rubber conveyer belt for multi-layer composite textile fabric skeleton |
| CN104192627B (en) * | 2014-08-06 | 2016-06-29 | 大连橡胶塑料机械股份有限公司 | The double central coiling unwinding equipment of lamination layering band |
| CN205291640U (en) * | 2015-12-02 | 2016-06-08 | 北京博安佳创科技有限公司 | Escalator handrail takes automatic molding production line |
| CN206679979U (en) * | 2017-03-27 | 2017-11-28 | 际华三五一七橡胶制品有限公司 | A kind of three layers of adhesive belt transferring device of shaping for solid tyre |
-
2019
- 2019-12-17 CN CN201911302299.5A patent/CN110950123B/en active Active
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| CN110950123A (en) | 2020-04-03 |
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