CN220635102U - Clamping roller and coating machine - Google Patents
Clamping roller and coating machine Download PDFInfo
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- CN220635102U CN220635102U CN202322246311.3U CN202322246311U CN220635102U CN 220635102 U CN220635102 U CN 220635102U CN 202322246311 U CN202322246311 U CN 202322246311U CN 220635102 U CN220635102 U CN 220635102U
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- resistant layer
- wear
- roller
- clamping
- roller body
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- 239000011248 coating agent Substances 0.000 title abstract description 18
- 238000000576 coating method Methods 0.000 title abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims description 31
- 239000005060 rubber Substances 0.000 claims description 31
- 229920000459 Nitrile rubber Polymers 0.000 claims description 15
- 229920005549 butyl rubber Polymers 0.000 claims description 8
- 229920002681 hypalon Polymers 0.000 claims description 8
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 8
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 claims description 7
- 229920001973 fluoroelastomer Polymers 0.000 claims description 7
- 229920005555 halobutyl Polymers 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005253 cladding Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 78
- 239000012528 membrane Substances 0.000 description 12
- 239000002356 single layer Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- -1 acrylic ester Chemical class 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920006168 hydrated nitrile rubber Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model belongs to the technical field of battery manufacturing equipment, and discloses a clamping roller and a coating machine. The clamping roller comprises a clamping roller body and a wear-resistant layer, wherein the clamping roller body comprises a roller body and a plurality of annular bosses which are convexly arranged on the outer peripheral surface of the roller body and are distributed at intervals along the axial direction of the roller body, and the width of each annular boss is larger than the distance between adjacent annular bosses; the wear-resisting layer is at least coated on the peripheral sides of the annular bosses. The coater provided by the utility model comprises the clamping roller. According to the clamping roller provided by the embodiment, the plurality of annular bosses distributed at intervals along the axial direction are convexly arranged on the outer peripheral surface of the roller body, and the annular bosses are in contact with the diaphragm, so that the diaphragm can be effectively compressed, the problem of non-clamping of the diaphragm is avoided, wrinkling is prevented, and the yield of products is further improved; the periphery side cladding of a plurality of annular boss has the wearing layer, and it can reduce the pinch roller and appear wearing and tearing in the use, improves life, reduces change and cost of maintenance.
Description
Technical Field
The utility model relates to the technical field of battery manufacturing equipment, in particular to a clamping roller and a coating machine.
Background
The lithium ion battery has the advantages of high voltage, high specific energy, multiple times of recycling, long storage time and the like, is widely applied to portable electronic equipment such as mobile phones, digital cameras and portable computers, and is widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, so that the safety requirement of the lithium ion battery is higher and higher.
The battery diaphragm is an important component of the lithium ion battery, is the core of the lithium ion battery, and the quality of the diaphragm plays a decisive role in the safety and performance of the battery. At present, the pinch rolls used on the discharge side of the coating machine are all common full rubber rolls, the full rubber rolls are matched with the steel bars to clamp the membranes of the batteries, the full rubber rolls can be worn out in different degrees due to long-time contact friction with the membranes of the batteries, so that gaps between the pinch rolls and the steel bars are enlarged, the phenomena of slipping and wrinkling of the membranes in the clamping process are further caused, the yield of products is reduced, the equipment downtime is increased, the service life of the existing pinch rolls is short, usually 2 months to 3 months, the replacement frequency is high, and the accessory consumption cost is high.
Therefore, a nip roller and a coater are needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a clamping roller and a coating machine, which aim to solve the problem that the outer surface of the clamping roller is easy to wear, prevent the phenomenon that a diaphragm slips and crumples in the clamping and conveying process, prolong the service life of the clamping roller and reduce the replacement and maintenance cost.
To achieve the purpose, the utility model adopts the following technical scheme:
a nip roll comprising:
the clamping roller comprises a roller body and a plurality of annular bosses which are arranged on the outer peripheral surface of the roller body in a protruding mode and are distributed at intervals along the axial direction of the roller body, and the width of each annular boss is larger than the distance between every two adjacent annular bosses; and
The wear-resistant layer is at least coated on the peripheral sides of the annular bosses, and is at least one of chlorosulfonated polyethylene rubber wear-resistant layer, styrene-butadiene rubber wear-resistant layer, butyl rubber wear-resistant layer, halogenated butyl rubber wear-resistant layer, nitrile rubber wear-resistant layer, hydrogenated nitrile rubber wear-resistant layer, chloroprene rubber wear-resistant layer, chlorinated polyethylene rubber wear-resistant layer, fluororubber wear-resistant layer, acrylate rubber wear-resistant layer and ethylene-vinyl acetate rubber wear-resistant layer.
Optionally, the wear-resistant layer is coated on the outer peripheral sides of the roller body and the annular bosses.
Optionally, the width d1 of the annular boss is 110 mm-120 mm, and the distance d2 between adjacent annular bosses is 70 mm-80 mm.
Optionally, at least two annular bosses are provided, and at least two annular bosses are arranged at intervals along the axial direction of the roller body.
Optionally, the roll body includes jackshaft section of thick bamboo, two peg graft respectively in jackshaft section of thick bamboo both ends connector and cover are located the sleeve outside the jackshaft section of thick bamboo, annular boss set up in on the outer peripheral surface of sleeve.
Optionally, a minimum distance d3 between the outermost end face of the outermost annular boss and the end face of the sleeve is 120-125 mm.
Optionally, both ends of the inner wall of the intermediate shaft cylinder are provided with clamping grooves, the first end of the connector is fixedly inserted into the clamping grooves, and the second end of the connector extends towards a direction away from the intermediate shaft cylinder.
Optionally, the connector and the intermediate shaft cylinder are connected by welding.
Optionally, the connector is in a columnar structure, and the diameter of the first end of the connector is larger than the diameter of the second end of the connector.
The coating machine comprises a mounting frame and the clamping roller according to any scheme, wherein two ends of the clamping roller are both rotationally connected to the mounting frame.
The utility model has the beneficial effects that: according to the clamping roller provided by the utility model, the plurality of annular bosses which are distributed at intervals along the axial direction are convexly arranged on the peripheral surface of the roller body, the width of each annular boss is larger than the distance between the adjacent annular bosses, and when the clamping roller is used, the annular bosses are contacted with the diaphragm, so that the diaphragm can be effectively compressed, the problem of non-tight clamping of the diaphragm is avoided, wrinkling is prevented, and the yield of products is further improved; the outer peripheral sides of the annular bosses are coated with the wear-resistant layers, so that the clamping rollers can be effectively prevented from being worn in the use process, the use reliability is improved, the service life is further prolonged, and the replacement and maintenance cost is reduced; the wear-resistant layer is at least one of chlorosulfonated polyethylene rubber wear-resistant layer, styrene-butadiene rubber wear-resistant layer, butyl rubber wear-resistant layer, halogenated butyl rubber wear-resistant layer, nitrile rubber wear-resistant layer, hydrogenated nitrile rubber wear-resistant layer, chloroprene rubber wear-resistant layer, chlorinated polyethylene rubber wear-resistant layer, fluororubber wear-resistant layer, acrylic ester rubber wear-resistant layer and ethylene-vinyl acetate rubber wear-resistant layer, and the rubber materials enable the annular boss to have the characteristics of softness, wear resistance, long-acting static resistance, high temperature resistance, small thermal expansion and cold contraction deformation, environmental protection and the like.
The coating machine provided by the utility model comprises the clamping roller, the clamping roller has higher use reliability, the replacement times are less, the replacement and maintenance costs are reduced, and the downtime of the coating machine is reduced.
Drawings
Fig. 1 is a cross-sectional view of a nip roll provided by an embodiment of the present utility model.
In the figure:
110. a roller body; 111. an intermediate shaft cylinder; 1111. a clamping groove; 112. A connector; 1121. A first column; 1122. a second column; 1123. A third column; 113. A sleeve; 120. An annular boss.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a pinch roller and coating machine, aims at solving the problems that the film is easy to wrinkle and the outer surface of the pinch roller is easy to wear in the processing process of the film, improves the service life of the pinch roller, and reduces the replacement and maintenance cost.
As shown in fig. 1, the pinch roller comprises a pinch roller body and a wear-resistant layer, wherein the pinch roller body comprises a roller body 110 and a plurality of annular bosses 120 protruding on the outer peripheral surface of the roller body 110 and distributed at intervals along the axial direction of the roller body 110, and the width of each annular boss 120 is larger than the distance between adjacent annular bosses 120. More than two fingers, for example, two annular bosses 120 may be provided, and the two annular bosses 120 are disposed at intervals along the axial direction of the roller body 110. In other embodiments, other numbers, such as three, four, or five, may be provided, as desired.
The wear-resistant layer is at least coated on the outer circumference of the annular bosses 120, and is at least one of chlorosulfonated polyethylene rubber (abbreviated as CSM) wear-resistant layer, styrene-butadiene rubber (abbreviated as SBR) wear-resistant layer, butyl rubber (abbreviated as IIR) wear-resistant layer, halogenated butyl rubber wear-resistant layer, nitrile rubber (NBR) wear-resistant layer, hydrogenated nitrile rubber (abbreviated as HNBR or HSN) wear-resistant layer, chloroprene rubber (Chloroprene Rubber) wear-resistant layer, chlorinated polyethylene rubber (Chlorinated Polyethylene) wear-resistant layer, fluororubber (fluoroubber) wear-resistant layer, acrylate rubber (abbreviated as ACM) wear-resistant layer and ethylene-vinyl acetate rubber (abbreviated as EVA) wear-resistant layer, namely the wear-resistant layer can be a single-layer chlorosulfonated polyethylene rubber wear-resistant layer, a single-layer styrene-butadiene rubber wear-resistant layer, a single-layer butyl rubber wear-resistant layer, a single-layer halogenated butyl rubber wear-resistant layer, a single-layer nitrile rubber wear-resistant layer, a single-layer hydrogenated nitrile rubber wear-resistant layer, a single-layer chloroprene rubber wear-resistant layer, a single-layer chlorinated polyethylene rubber wear-resistant layer, a single-layer fluororubber wear-resistant layer, a single-layer acrylic ester rubber wear-resistant layer or a single-layer ethylene-vinyl acetate rubber wear-resistant layer, or can be a plurality of chlorosulfonated polyethylene rubber wear-resistant layers, a plurality of styrene-butadiene rubber wear-resistant layers, a plurality of butyl rubber wear-resistant layers, a plurality of halogenated butyl rubber wear-resistant layers, a plurality of nitrile rubber wear-resistant layers, a plurality of hydrogenated nitrile rubber wear-resistant layers, a plurality of chloroprene rubber wear-resistant layers, a plurality of chlorinated polyethylene rubber wear-resistant layers, a plurality of fluororubber wear-resistant layers, a plurality of acrylic ester rubber wear-resistant layers or a plurality of ethylene-vinyl acetate rubber wear-resistant layers, the wear-resistant coating can also be at least two of chlorosulfonated polyethylene rubber wear-resistant layer, styrene-butadiene rubber wear-resistant layer, butyl rubber wear-resistant layer, halogenated butyl rubber wear-resistant layer, nitrile rubber wear-resistant layer, hydrogenated nitrile rubber wear-resistant layer, chloroprene rubber wear-resistant layer, chlorinated polyethylene rubber wear-resistant layer, fluororubber wear-resistant layer, acrylate rubber wear-resistant layer and ethylene-vinyl acetate rubber wear-resistant layer. Through the rubber materials, the annular boss 120 has the characteristics of softness, wear resistance, long-acting static resistance, high temperature resistance, small thermal expansion and cold contraction deformation, environmental protection and the like.
The clamping roller provided by the embodiment is matched with the clamping roller or the metal rod with the same structure to clamp the membrane of the battery, the outer peripheral surface of the roller body 110 is convexly provided with a plurality of annular bosses 120 which are distributed along the axial direction at intervals, the width of each annular boss 120 is larger than the distance between the adjacent annular bosses 120, and when the clamping roller is used, the annular bosses 120 are contacted with the membrane, so that the membrane can be effectively compressed, the problem of the non-clamping of the membrane is avoided, slipping and wrinkling are prevented, and the yield of products is further improved; the periphery side cladding of a plurality of annular boss has the wearing layer, and it can effectively avoid the pinch roller to be worn and torn in the use, has improved the use reliability, and then has improved life, has reduced change and cost of maintenance.
Preferably, the wear-resistant layer is coated on the outer peripheral sides of the roller body and the annular bosses, and meanwhile the wear resistance of the roller body and the annular bosses is improved.
Optionally, the width d1 of the annular boss 120 is 110 mm-120 mm, and is matched with the width of the membrane; the distance d2 between the adjacent annular bosses 120 is 70-80 mm, and the distance d2 is matched with the distance between the adjacent diaphragms, so that the diaphragms are in accurate contact with the annular bosses 120, and the annular bosses 120 effectively compress the diaphragms.
In this embodiment, the roller 110 includes a middle shaft 111, two connectors 112 respectively inserted into two ends of the middle shaft 111, and a sleeve 113 sleeved outside the middle shaft 111, and the annular boss 120 is disposed on an outer peripheral surface of the sleeve 113. The connector 112 is for connection with an external component. The roller 110 is simple in structure and easy to assemble.
Preferably, the minimum distance d3 between the outermost end surface of the outermost annular boss 120 and the end surface of the sleeve 113 is 120 mm-125 mm, so as to leave enough processing and manufacturing space of the annular boss 120, and avoid the extrusion or collision of external components on the membrane during the use process.
Alternatively, both ends of the inner wall of the intermediate shaft tube 111 are provided with a clamping groove 1111, and a first end of the connector 112 is fixedly inserted into the clamping groove 1111, and a second end of the connector 112 extends in a direction away from the intermediate shaft tube 111. The clamping groove 1111 can limit the connector 112, so that the assembly stability of the connector 112 and the intermediate shaft cylinder 111 is improved. Preferably, the joint 112 and the intermediate shaft tube 111 are connected by welding, and the welded connection is simple in processing and has high structural rigidity.
Alternatively, the connector 112 has a cylindrical structure, and the diameter of the first end of the connector 112 is greater than the diameter of the second end of the connector 112. Through setting up the diameter of second end and being less than the diameter of first end, be convenient for peg graft the second end in external part, improve the connection convenience, avoid the misconnection. In this embodiment, the connector 112 is in a stepped structure, and the connector 112 specifically includes three sequentially connected first columns 1121, second columns 1122 and third columns 1123, where the diameter of the first columns 1121 is greater than that of the second columns 1122, the diameter of the second columns 1122 is greater than that of the third columns 1123, the first columns 1121 are inserted into the clamping slots 1111, the third columns 1123 are used for connecting with external components, and the external components can be abutted on the stepped surface formed by the second columns 1122, so that the connection between the connector 112 and the external components is stable.
The coating machine provided by the embodiment comprises a mounting frame and the clamping rollers, wherein both ends of the clamping rollers are connected to the mounting frame, the clamping rollers and the clamping rollers or the metal rollers of the same structure of the coating machine are matched to clamp the membrane of the battery, the coating machine has high use reliability, less replacement times, reduced replacement and maintenance costs and reduced downtime of the coating machine.
Referring to tables 1 and 2, table 1 is a table of usage and replacement records of the existing all-rubber roll, and table 2 is a table of usage and replacement records of the nip roll provided in the embodiment of the present utility model. The rubber layer material of the existing all-rubber roller is ethylene propylene diene monomer rubber, and is matched with a steel roller to clamp and convey the membrane of the battery; the wear-resisting layer of the clamping roller is made of chlorosulfonated polyethylene rubber, and is matched with the steel roller to clamp the membrane of the battery. The product model and the material system produced by the existing full rubber roller and the clamping roller provided by the embodiment are the same, the type, the configuration and the brand of the applied coater equipment are the same, and the production speed and the equipment utilization rate are the same. As shown in Table 1, the average service cycle of the conventional full rubber roll is 81.4 days, the average mold change time is 80.3min, and the conventional full rubber roll is severely worn and has large tension fluctuation during the replacement, and the replacement frequency is set to be 2 months/time in order to reduce the defective product rate. As can be seen from Table 2, the nip rolls provided by the examples of the present utility model had no record of replacement within 12 months, and had a longer service life.
Table 1 use-change recording table of existing full rubber roll
| Date of day | Change start time | Time of end of exchange | Time to change shape (min) |
| 2022.4.6 | 10：25 | 11：50 | 85 |
| 2022.7.1 | 9：18 | 10：20 | 62 |
| 2022.9.30 | 11：10 | 1：30 | 80 |
| 2022.12.19 | 14：10 | 15：30 | 80 |
| 2023.3.6 | 10：05 | 11：30 | 85 |
| 2022.5.23 | 13：50 | 15：20 | 90 |
| Average replacement cycle | 81.4 days | Average time to change | 80.3min |
Table 2 the usage and replacement record table of the nip roller provided by the embodiment of the utility model
| Date of day | Replacement ofStart time | Time of end of exchange | Time to change shape (min) |
| 2022.4.6 | 08：50 | 10：10 | 70 |
In this example, the unit price of the existing all-rubber roller is 2547 yuan/root, and the unit price of the nip roller provided by the embodiment of the utility model is 3298 yuan/root. According to the replacement frequency, 2 rollers are required to be replaced simultaneously each time by a single device (a double-layer coating machine), the replacement frequency of the existing all-rubber roller is 6 times/year, and the annual use cost is 2547×2×6=3056yuan. The replacement frequency of the clamping roller provided by the embodiment of the utility model is 1 time/year, and the annual use cost is 3298 multiplied by 2 multiplied by 1=6596 yuan. If the clamping roller provided by the embodiment of the utility model is used, the cost is 3064-6596= 23968 yuan/year, and the cost is 23968 ×30= 719040 yuan per year when the conventional production line has 30 coating machines.
The average change time of the existing full rubber roller is 80.3min, the change frequency is 6 times/year, and the equipment downtime is 80.3×6= 481.8 min/year. The installation mode of the clamping roller provided by the embodiment of the utility model is the same as that of the existing full rubber roller, and the clamping roller is also calculated according to the same type changing time, if the frequency of changing is 1 time/year, the equipment downtime is 80.3 multiplied by 1=80.3 min/year. If the clamping roller provided by the embodiment of the utility model is used, the downtime of each equipment is 481.8-80.3= 401.5 min/year, and the conventional production line has 30 coating machines, so that the downtime is 401.5 ×30= 12045 min= 200.75 man-hours.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The pinch roller, its characterized in that includes:
the clamping roller comprises a roller body (110) and a plurality of annular bosses (120) protruding from the outer circumferential surface of the roller body (110) and distributed at intervals along the axial direction of the roller body (110), wherein the width of each annular boss (120) is larger than the distance between every two adjacent annular bosses (120); and
The wear-resistant layer is at least coated on the peripheral sides of the annular bosses (120), and is at least one of chlorosulfonated polyethylene rubber wear-resistant layer, styrene-butadiene rubber wear-resistant layer, butyl rubber wear-resistant layer, halogenated butyl rubber wear-resistant layer, nitrile rubber wear-resistant layer, hydrogenated nitrile rubber wear-resistant layer, chloroprene rubber wear-resistant layer, chlorinated polyethylene rubber wear-resistant layer, fluororubber wear-resistant layer, acrylate rubber wear-resistant layer and ethylene-vinyl acetate rubber wear-resistant layer.
2. The pinch roller according to claim 1, characterized in that the wear layer is coated on the outer circumferential sides of the roller body (110) and the plurality of annular bosses (120).
3. A nip roller according to claim 1, characterized in that the width d1 of the annular boss (120) is 110-120 mm and the spacing d2 between adjacent annular bosses (120) is 70-80 mm.
4. The pinch roller according to claim 1, characterized in that at least two annular bosses (120) are provided, at least two of the annular bosses (120) being arranged at intervals along the axial direction of the roller body (110).
5. The nip roller according to any one of claims 1 to 4, wherein the roller body (110) comprises a middle shaft tube (111), two connectors (112) respectively inserted into two ends of the middle shaft tube (111), and a sleeve (113) sleeved outside the middle shaft tube (111), and the annular boss (120) is disposed on an outer peripheral surface of the sleeve (113).
6. A nip roller according to claim 5, characterized in that the minimum distance d3 of the outermost end face of the outermost annular boss (120) from the end face of the sleeve (113) is 120-125 mm.
7. The clamping roller according to claim 5, wherein clamping grooves (1111) are formed in two ends of the inner wall of the intermediate shaft (111), a first end of the connecting head (112) is fixedly inserted into the clamping grooves (1111), and a second end of the connecting head (112) extends in a direction away from the intermediate shaft (111).
8. The clamping roller according to claim 7, characterized in that the connection head (112) and the intermediate shaft cylinder (111) are connected by welding.
9. The nip roll of claim 7, wherein the connector (112) is of a cylindrical configuration, the diameter of the first end of the connector (112) being greater than the diameter of the second end of the connector (112).
10. A coater comprising a mounting frame and a nip roller according to any one of claims 1 to 9, both ends of the nip roller being connected to the mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322246311.3U CN220635102U (en) | 2023-08-21 | 2023-08-21 | Clamping roller and coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322246311.3U CN220635102U (en) | 2023-08-21 | 2023-08-21 | Clamping roller and coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220635102U true CN220635102U (en) | 2024-03-22 |
Family
ID=90265674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322246311.3U Active CN220635102U (en) | 2023-08-21 | 2023-08-21 | Clamping roller and coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220635102U (en) |
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2023
- 2023-08-21 CN CN202322246311.3U patent/CN220635102U/en active Active
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