CN114654781A - Conductive synchronous conveying belt and preparation method thereof - Google Patents
Conductive synchronous conveying belt and preparation method thereof Download PDFInfo
- Publication number
- CN114654781A CN114654781A CN202210001821.1A CN202210001821A CN114654781A CN 114654781 A CN114654781 A CN 114654781A CN 202210001821 A CN202210001821 A CN 202210001821A CN 114654781 A CN114654781 A CN 114654781A
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- conductive
- steel sheet
- conveying belt
- conductive synchronous
- conveyor belt
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000000047 product Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 12
- 239000010935 stainless steel Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000011265 semifinished product Substances 0.000 claims abstract description 3
- 239000002344 surface layer Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 239000010410 layer Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009825 accumulation Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007888 film coating Substances 0.000 abstract description 3
- 238000009501 film coating Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D29/00—Producing belts or bands
- B29D29/06—Conveyor belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
- B65G15/36—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
The invention provides a method for preparing a conductive synchronous conveyer belt, which comprises the steps of putting a perforated stainless steel sheet into a mould roller at a non-horizontal angle; adjusting the rotating speed of the die roller, and accumulating the molten TPU on two sides of the stainless steel sheet; and cooling and pressing the obtained semi-finished product by a roller to obtain a finished product of the conductive synchronous conveyer belt. Compared with the prior art, the conductive synchronous conveying belt provided by the invention can effectively avoid the slippage of the chip caused by high-speed operation. The conductive effect of the whole product cannot be influenced by local fracture in the using process, the conductive performance of the conveying belt is met, the accumulation of chip charges is effectively avoided, the stability of the film coating effect of the chip is ensured, and the service life of the product is prolonged. Meanwhile, the thickness of the conductive synchronous conveying belt meets the flexibility requirement, and the conductive synchronous conveying belt can be matched with the existing equipment for use, so that the equipment replacement and the improved production cost are avoided. After the steel sheet is adopted to replace the existing steel wire rope, the wire arranging process is omitted, the production process is simplified, and the production efficiency is improved.
Description
Technical Field
The invention relates to a conductive synchronous conveying belt and a preparation method thereof, and belongs to the technical field of production lines.
Background
With the improvement of automation level, automation equipment is introduced in the chip manufacturing of the photovoltaic industry, and in the chip coating stage, the chip needs to be conveyed to a specified position of a coating machine to complete coating.
Carry the steel band that the chip adopted at present to take the bump, because the steel band surface is smooth, although added the bump and be used for improving the wearability of steel band, nevertheless, along with the promotion of process velocity, coefficient of friction does not reach the requirement far away, leads to the skew assigned position of chip slip to influenced the efficiency of chip coating film greatly, in order to solve this problem, need design a section electrically conductive synchronous conveyer belt.
The existing conductive synchronous conveyer belt adopts a steel wire rope as a framework material, and is coated with a TPU material; the method specifically comprises the steps of uniformly arranging steel wire ropes controlled by a pay-off rack on a mold roller, melting TPU materials, extruding and stacking the molten TPU materials on the steel wire ropes, and cooling and pressing the steel wire ropes by a roller to obtain the TPU material. The method has the following defects:
1. because the steel wire rope is formed by winding the steel wire, when the synchronous conveying belt is used, the steel wire in the steel wire rope can be locally broken due to long-term use, so that the conductive performance of a certain section of the steel wire rope is invalid, the conductive effect of the whole synchronous conveying belt is influenced, and the service life of the synchronous conveying belt is greatly reduced.
2. The steel wire ropes need to be rearranged in each production, and the tension of each steel wire rope is controlled to be uniform and consistent through the pay-off rack. The process is time-consuming and labor-consuming, and the production efficiency is greatly reduced.
3. In order to meet the breaking strength of the synchronous conveying belt, a steel wire rope with the diameter of about 2mm is used as a framework material, and after the TPU is coated, the thickness of the synchronous conveying belt reaches 8mm and is far thicker than that of an original steel belt, so that the bending resistance of the conveying belt is greatly reduced, and the synchronous conveying belt cannot be matched with original equipment for use.
Disclosure of Invention
Aiming at the problems in the prior art, the conductive synchronous conveyer belt provided by the invention has the advantages that the conductive performance is ensured, the friction performance of the conveyer belt is improved, the chip is ensured to be positioned at the designated position under the high-speed operation, the production cost is reduced, the production efficiency is improved, and the service life of the synchronous conveyer belt is prolonged.
The technical scheme provided by the invention is as follows:
a conductive synchronous conveyor belt is prepared by the following steps:
step a), putting a punched stainless steel sheet into a die roller at a non-horizontal angle;
step b) adjusting the rotating speed of the die roller, and accumulating the molten TPU on two sides of the stainless steel sheet;
and c) cooling and pressing the semi-finished product obtained in the step b) by using a roller to obtain a finished product of the conductive synchronous conveyer belt.
Preferably, the stainless steel sheet of step a) enters the mold roll at an angle of 0-30 ° to reserve a certain space for the molten TPU material, ensure that the molten TPU material is accumulated on the bottom surface of the steel sheet, ensure that the steel sheet is completely covered with TPU, and thus control the thickness of the lower surface of the product.
Preferably, the rotation speed of the mould roller in the step b) is 0.5r/min-0.8 r/min.
Preferably, the die temperature is 180 ℃ to 200 ℃.
The stainless steel sheet with the holes is used as a framework layer, an upper surface layer and a lower surface layer are respectively arranged on the upper surface and the lower surface of the framework layer, and the upper surface layer and the lower surface layer are polyurethane layers.
The lower surface layer is provided with teeth at equal intervals, and the teeth on the lower surface layer are meshed with the gear to run. Preferably, the teeth are 2-7mm thick.
Preferably, the thickness of the steel sheet is 0.4-1.2mm (satisfying the tensile strength of the conveyer belt and simultaneously satisfying the bending flexibility).
Preferably, the sizes of the holes on the steel sheet are as follows: the length is 14-17mm, and the width is 14-17 mm.
Preferably, the holes can be arranged according to any rule, but in order to meet the requirement of the product on the electric conductivity, the gaps among the holes are 3-5 mm.
Preferably, the thickness of the conductive synchronous conveyor belt is 4-12 mm.
In addition, because the conductive synchronous conveyor belt is provided with teeth, the thickness of the conductive synchronous conveyor belt is originally uneven, and the conductive synchronous conveyor belt has certain flexibility.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention replaces a steel sheet conveying belt, the surface friction of the conveying belt is increased, the chip is effectively prevented from sliding on the conveying belt due to high-speed operation, the position offset of the sliding chip is caused, and the production efficiency is greatly improved.
2. The invention replaces a steel sheet conveying belt, the synchronous conveying belt is wound outside a gear, the gear drives the conveying belt to synchronously run, and the slippage condition caused by running of the similar steel sheet conveying belt on a roller can be avoided through meshing between teeth, so that the conveying precision of chips is improved, the error rate of chip coating is greatly reduced, and the material waste caused by production of defective products is effectively reduced.
3. The punched steel sheet is adopted to replace a steel wire rope, on one hand, the steel sheet is a complete conductor, so that the condition that the conductive effect of the whole product is influenced due to the local fracture of the steel wire rope can not occur in the using process, the conductive performance of the conveying belt is met, the charge accumulation of chips can be effectively avoided (the steel wire rope is easy to fracture in the long-term use process, the conductive performance of the conveying belt is influenced, and the charge accumulation of the chips can be caused), and the framework of the conductive synchronous conveying belt provided by the invention is the steel sheet, is not easy to fracture, so that the charge accumulation of the chips can be avoided, the stability of the film coating effect of the chips is ensured, and the service life of the product is greatly prolonged; on the other hand, the steel sheet is used inside, so that the thickness of the conductive synchronous conveying belt provided by the invention is reduced, the flexibility of the conductive synchronous conveying belt is improved, the conductive synchronous conveying belt can be matched with the existing equipment for use, and the production cost is prevented from being improved due to equipment replacement.
4. After the steel sheet is adopted to replace the existing steel wire rope, the wire arranging process is omitted, the production process is simplified, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a conductive synchronous conveyor belt according to the present invention;
wherein, 1, an upper surface layer; 2. a framework layer; 3. and (4) a lower surface layer.
Detailed Description
The present invention will be further specifically described with reference to the drawings and examples.
Example 1
The invention can be realized by the following technical scheme:
the invention provides a conductive synchronous conveyer belt, which is obtained by enabling a punched stainless steel sheet to enter a die roller as a framework layer 2 at a certain angle (0-30 degrees) to reserve a certain space for a molten TPU material to ensure that the molten TPU material is accumulated on the back of the steel sheet, and controlling the rotating speed of the die roller to be 0.5r/min-0.8r/min (controlling the accumulation amount of the molten TPU to ensure that the steel sheet is completely coated by the TPU), wherein the die head temperature is 180 DEG and 200 ℃, so that the thickness of the lower surface of a product is controlled, the TPU material is extruded and accumulated on two sides of the steel sheet after being molten, and then the steel sheet is cooled and pressed by a roller. The lower surface layer of the obtained conductive synchronous conveying belt is provided with teeth at equal intervals, so that the conductive synchronous conveying belt can run by being meshed with the gears. Preferably, the conductive synchronous conveyor belt has a thickness of 4-12mm, wherein the teeth have a thickness of 2-7 mm. The conductive synchronous conveyer belt has teeth, so that the thickness of the conveyer belt is originally uneven, and the required bending flexibility of the conveyer belt is met.
The steel sheet of the framework layer 2 is arranged to replace the existing steel wire rope, so that the wire arranging process is omitted, the production process is simplified, and the production efficiency is improved. The stainless steel sheet can meet the conductive performance of the conveyor belt, namely the condition that the conductive effect of the whole product is influenced due to the local fracture of the steel wire rope can not occur in the using process, so that the charge accumulation of chips is effectively avoided, the film coating effect is influenced, and the service life of the product is greatly prolonged; the upper surface and the lower surface of the framework layer 2 are respectively provided with an upper surface layer 1 and a lower surface layer 3.
Wherein the thickness of the steel sheet is 0.4-1.2mm, so as to meet the tensile strength of the conveyer belt and the bending flexibility. And the size of the hole on the steel sheet is 15mm long, 15mm wide, and the clearance between each hole is 4mm to satisfy the demand of product electric conductivity ability.
By adopting the design that the TPU is coated outside the steel sheet, the surface friction of the conveying belt can be increased, on one hand, the upper surface layer 1 effectively avoids the chip from sliding on the conveying belt due to high-speed operation, so that the position of the sliding chip is deviated, and the production efficiency is greatly improved; on the other hand, the synchronous conveying belt is wound outside the gear, the teeth on the lower surface layer 3 are meshed with the gear, and the gear drives the conveying belt to synchronously rotate, so that the slipping condition of a similar steel sheet conveying belt in operation on a roller can be avoided, the conveying precision of chips is improved, the error rate of chip coating is greatly reduced, and the material waste caused by production of defective products is effectively reduced.
The results of performance test of the conductive synchronous conveyor belt and the conventional steel sheet conveyor belt are shown in tables 1 and 2.
TABLE 1 coefficient of friction
| Steel sheet conveyer belt | Conductive synchronous conveyer belt | |
| Coefficient of static friction with respect to steel | 0.3 | 0.5 |
| Coefficient of dynamic friction with respect to steel | 0.16 | 0.27 |
TABLE 2 fatigue data
| Steel wire rope synchronous conveying belt | Synchronous conveyer belt for this project | |
| It can be used for 6 months | Normal conductive performance/stable coating effect | Normal conductive performance/stable coating effect |
| It can be used for 12 months | Abnormal conductivity/unstable coating effect | Normal conductive performance/stable coating effect |
Claims (10)
1. The preparation method of the conductive synchronous conveyer belt is characterized by comprising the following steps of:
step a), putting a punched stainless steel sheet into a die roller at a non-horizontal angle;
step b) adjusting the rotating speed of the die roller, and accumulating the molten TPU on two sides of the stainless steel sheet;
and c) cooling and pressing the semi-finished product obtained in the step b) by using a roller to obtain a finished product of the conductive synchronous conveyer belt.
2. The method for preparing a conductive synchronous conveyor belt according to claim 1, wherein the stainless steel sheet of step a) enters the mold roll at an angle of 0-30 ° to reserve a certain space for the molten TPU material, ensure the molten TPU material to be accumulated on the bottom surface of the steel sheet, and ensure the steel sheet to be completely coated with the TPU, thereby controlling the thickness of the lower surface of the product.
3. The method for preparing the conductive synchronous conveyor belt according to claim 1, wherein the rotation speed of the mold roller in the step b) is 0.5r/min to 0.8 r/min.
4. The method for preparing the conductive synchronous conveyer belt according to claim 1, wherein the die temperature is 180-200 ℃.
5. The conductive synchronous conveyor belt according to claim 1, wherein a perforated stainless steel sheet is used as a skeleton layer, an upper surface layer and a lower surface layer are respectively disposed on the upper surface and the lower surface of the skeleton layer, and the upper surface layer and the lower surface layer are polyurethane layers.
6. The conductive synchronous conveyor belt of claim 1, wherein the lower surface layer is provided with equally spaced teeth that run in mesh with the gears.
7. The conductive synchronous conveyor belt of claim 1, wherein the steel sheet has a thickness of 0.4-1.2 mm.
8. The conductive synchronous conveyor belt according to claim 1, wherein the length/width of the holes on the steel sheet is 14-17 mm.
9. The conductive synchronous conveyor belt of claim 1, wherein the gap between the holes is 3-5 mm.
10. The conductive synchronous conveyor belt according to claim 1, wherein the thickness of the upper and lower surface layers is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001821.1A CN114654781A (en) | 2022-01-04 | 2022-01-04 | Conductive synchronous conveying belt and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001821.1A CN114654781A (en) | 2022-01-04 | 2022-01-04 | Conductive synchronous conveying belt and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114654781A true CN114654781A (en) | 2022-06-24 |
Family
ID=82026121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210001821.1A Pending CN114654781A (en) | 2022-01-04 | 2022-01-04 | Conductive synchronous conveying belt and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114654781A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002172708A (en) * | 2000-12-08 | 2002-06-18 | Bando Chem Ind Ltd | Method and apparatus for manufacturing endless toothed belt |
| CN2543904Y (en) * | 2002-03-19 | 2003-04-09 | 谭国亮 | Point type electricity conductive rubber band conveyer |
| CA2464499A1 (en) * | 2003-04-15 | 2004-10-15 | Integral Technologies, Inc. | Low cost food processing belts and other conveyances manufactured from conductive loaded resin-based materials |
| JP2010125622A (en) * | 2008-11-25 | 2010-06-10 | Unimatec Co Ltd | Conductive polyurethane belt and method for producing the same |
| CN203581803U (en) * | 2013-11-12 | 2014-05-07 | 昆山博思达自动化设备科技有限公司 | Synchronous stainless steel belt |
| US20160032526A1 (en) * | 2013-02-08 | 2016-02-04 | Jörg Scheffler | Transport device for paper, and paper processing device |
| US20160304283A1 (en) * | 2015-04-17 | 2016-10-20 | F.N. Sheppard & Company | Co-formed conveyor belt apparatus and process |
| CN205873055U (en) * | 2016-07-05 | 2017-01-11 | 日志动力传送系统（上海）有限公司 | Felt area and adopt conveyer in this felt area |
| CN208828605U (en) * | 2018-08-01 | 2019-05-07 | 常德精工机械制造有限公司 | A kind of conveyer belt |
| CN113400698A (en) * | 2021-05-11 | 2021-09-17 | 重庆金美新材料科技有限公司 | Conductive transmission belt, preparation method thereof and film water electroplating equipment |
-
2022
- 2022-01-04 CN CN202210001821.1A patent/CN114654781A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002172708A (en) * | 2000-12-08 | 2002-06-18 | Bando Chem Ind Ltd | Method and apparatus for manufacturing endless toothed belt |
| CN2543904Y (en) * | 2002-03-19 | 2003-04-09 | 谭国亮 | Point type electricity conductive rubber band conveyer |
| CA2464499A1 (en) * | 2003-04-15 | 2004-10-15 | Integral Technologies, Inc. | Low cost food processing belts and other conveyances manufactured from conductive loaded resin-based materials |
| JP2010125622A (en) * | 2008-11-25 | 2010-06-10 | Unimatec Co Ltd | Conductive polyurethane belt and method for producing the same |
| US20160032526A1 (en) * | 2013-02-08 | 2016-02-04 | Jörg Scheffler | Transport device for paper, and paper processing device |
| CN203581803U (en) * | 2013-11-12 | 2014-05-07 | 昆山博思达自动化设备科技有限公司 | Synchronous stainless steel belt |
| US20160304283A1 (en) * | 2015-04-17 | 2016-10-20 | F.N. Sheppard & Company | Co-formed conveyor belt apparatus and process |
| CN205873055U (en) * | 2016-07-05 | 2017-01-11 | 日志动力传送系统（上海）有限公司 | Felt area and adopt conveyer in this felt area |
| CN208828605U (en) * | 2018-08-01 | 2019-05-07 | 常德精工机械制造有限公司 | A kind of conveyer belt |
| CN113400698A (en) * | 2021-05-11 | 2021-09-17 | 重庆金美新材料科技有限公司 | Conductive transmission belt, preparation method thereof and film water electroplating equipment |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230518 Address after: Room 5, Building 1, No. 158 Xijiang Road, Kunshan Development Zone, Suzhou City, Jiangsu Province, 215335 Applicant after: Kunshan Kaibo Transmission System Co.,Ltd. Address before: Qingpu District Xujing Town Road 201702 Shanghai City No. 58 Applicant before: SHANGHAI YONGLI BELTING Co.,Ltd. |
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