CN211920318U - Feeding device and film cutting machine - Google Patents
Feeding device and film cutting machine Download PDFInfo
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- CN211920318U CN211920318U CN201922156323.0U CN201922156323U CN211920318U CN 211920318 U CN211920318 U CN 211920318U CN 201922156323 U CN201922156323 U CN 201922156323U CN 211920318 U CN211920318 U CN 211920318U
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- roller
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Abstract
The utility model belongs to the technical field of the material is rolled up, especially, relate to a feeder and film cutting machine, wherein, feeder includes coil stock axle and feed mechanism, the coil stock axle cup joints the cooperation with the material book, feed mechanism includes the drive roll, driven voller and drive assembly, drive roll and driven voller set up and common centre gripping material area relatively, drive assembly includes the worm wheel of being connected with the drive roll, with worm wheel complex worm, be used for driving worm's driving motor and be connected and locate the drive roll with the driving motor electricity and on just can acquire the encoder of drive roll rotation information. Based on the encoder, can accurately acquire the load in material area, based on worm wheel, worm cooperation structure again, the drive roll can also stall immediately at the stop work time, has avoided the drive roll to continue to rotate under inertial effect to the load in material area can accurate control, has improved feeder's feeding reliability.
Description
Technical Field
The utility model belongs to the technical field of the material is rolled up the feed, especially, relate to a feeder and film cutting machine.
Background
The die cutting procedure in the production process of the lithium battery is that the feeding device unreels the material roll to supply the material belt, and when the material belt reaches the required amount, the material belt is cut off. In the process of supplying the material belt, the material belt is actively rotated by the feeding device, the material belt can be gradually discharged from the material belt along with the rotation of the material belt, the diameter of the material belt in the rotating discharging process is continuously reduced, therefore, the real-time diameter of the material belt needs to be continuously calculated for the discharging speed to adjust, but the consistency of the material belt is difficult to guarantee, specifically, in the rotating discharging process of the material belt, the winding tension of the material belt can change, the winding tension of the material belt changes, the circumferential degree of the material belt can be fed to cause influence, the accuracy of the circumference calculated according to the diameter is further influenced, and the problem that the reliability is low in the mode of controlling the discharging speed by calculating the real-time diameter of the material belt is caused.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to at least one of the problems of the prior art or the related art.
One of the utility model is to provide a feeder, aim at solving and adopt the real-time diameter of calculation material book to control the mode of unwinding speed and have the problem that reliably hangs down.
The utility model discloses a realize like this:
the utility model provides a feeding device, includes coil stock axle and feed mechanism, the coil stock axle cup joints the cooperation with the material book, feed mechanism includes the drive roll, driven voller and drive assembly, drive roll and driven voller set up and the common centre gripping material area relatively, drive assembly includes the worm wheel of being connected with the drive roll, with worm wheel complex worm, be used for the driving motor of drive worm and be connected and locate the drive roll with the driving motor electricity and on just can acquire the encoder of drive roll rotation information.
By adopting the technical scheme, when the driving roller and the driven roller clamp the material belt together in the use process, static friction force exists between the driving roller and the material belt, at the moment, the driving motor starts to work, the driving motor rotates the worm and drives the worm wheel to rotate, then the worm wheel drives the driving roller to rotate, and the driving roller drives the material belt to discharge when the driving roller rotates by virtue of the static friction force between the driving roller and the material belt, wherein the encoder can acquire the rotation information of the driving roller, so that the discharge amount of the material belt can be accurately acquired, when the material belt reaches the preset discharge amount, the driving motor stops working, and based on the worm wheel and worm matching structure, the worm wheel and the worm have self-locking effect, the driving roller can stop rotating immediately when stopping working, the driving roller is prevented from continuing to rotate under the action of inertia, so that the discharge amount of the material belt can be accurately controlled, the feeding reliability of the feeding device is improved.
In one embodiment, the feeding device further comprises a buffer mechanism that tensions the strip between the roll and the feeding mechanism.
Through adopting above-mentioned technical scheme, buffer gear tensioning material area can be straightened the material area that is located between buffer gear and the feed mechanism to guarantee that the material area can be straightly and smoothly enter into feed mechanism, avoid feed mechanism to press and roll over the material area.
In one embodiment, the buffer mechanism comprises a tension roller and an elastic structure, wherein the elastic structure drives the tension roller to press the material belt through elastic restoring force.
Through adopting above-mentioned technical scheme, at first, when the slew velocity of material book can not follow the discharge speed of feed mechanism in the short time, elastic structure can give certain buffering to avoid tearing apart between the material area, and when feed mechanism's discharge speed was too slow, elastic structure tensioning material area can be straightened the material area that is located between buffer gear and the feed mechanism, thereby guarantees that the material area can be straightly and smoothly entered into feed mechanism, avoids feed mechanism to fold the material area.
In one embodiment, the elastic structure includes a sliding rail bracket, a sliding block and an elastic member, the sliding block is connected with the sliding rail bracket in a sliding manner and is further connected with the tensioning roller, and the elastic member is connected with the sliding rail bracket and drives the sliding block through the elastic restoring force thereof to drive the tensioning roller to press the material belt.
In one embodiment, two elastic structures are arranged and are respectively connected to two ends of the tension roller.
In one embodiment, the slide rail bracket is provided with a sliding groove, and the sliding block and the elastic element are both positioned in the sliding groove and slidably connected to the sliding groove.
In one embodiment, the buffer mechanism further comprises a roller, at least one roller is arranged between the material roll and the tension roller and/or between the material roll and the feeding mechanism, and the roller and the tension roller are respectively positioned on two sides of the material belt.
By adopting the technical scheme, the path of the material belt 501 can be conveniently adjusted.
In one embodiment, the feeding device further comprises an elastic pressing piece, and the elastic pressing piece drives the driven roller to press the material belt on the driving roller through the elastic restoring force of the elastic pressing piece.
Through adopting above-mentioned technical scheme, in the use, exert certain external force to the driven voller, overcome the elastic restoring force of elasticity pressfitting spare, pull open the driven voller from the drive roll, make driven voller and drive roll have the clearance, utilize this clearance, the staff can place the material area between drive roll and the driven voller, also can follow and take out the material area between drive roll and the driven voller.
In one embodiment, the take-up spool is an inflatable spool.
One of the purposes of the present invention is to provide a film cutting machine, which includes the above feeding device.
By adopting the technical scheme, when the driving roller and the driven roller clamp the material belt together in the use process, static friction force exists between the driving roller and the material belt, at the moment, the driving motor starts to work, the driving motor rotates the worm and drives the worm wheel to rotate, then the worm wheel drives the driving roller to rotate, and the driving roller drives the material belt to discharge when the driving roller rotates by virtue of the static friction force between the driving roller and the material belt, wherein the encoder can acquire the rotation information of the driving roller, so that the discharge amount of the material belt can be accurately acquired, when the material belt reaches the preset discharge amount, the driving motor stops working, and based on the worm wheel and worm matching structure, the worm wheel and the worm have self-locking effect, the driving roller can stop rotating immediately when stopping working, the driving roller is prevented from continuing to rotate under the action of inertia, so that the discharge amount of the material belt can be accurately controlled, the feeding reliability of the feeding device is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a feeding device provided in an embodiment of the present invention.
The reference numbers illustrate:
100-coil stock shaft; 200-a feeding mechanism; 210-a drive roll; 220-a driven roller; 230-a drive assembly; 231-a worm gear; 232-worm; 233-driving motor; 300-a buffer mechanism; 310-tension roller; 320-an elastic structure; 321-a slide rail bracket; 322-a slider; 323-elastic member; 330-passing through a roller; 400-elastic press fit; 500-material roll; 501-material belt; 600-substrate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention provides a feeding device for a material roll 500 to discharge a material belt 501.
It should be noted that the roll 500 is formed by winding the material tape 501, and the material tape 501 may be a pole piece or other film material.
Referring to fig. 1, the feeding device includes a winding shaft 100 and a feeding mechanism 200.
In an implementation, the feeding device may further include a base plate 600 for fixing each component, that is, the material winding shaft 100 and the feeding mechanism 200 are fixed on the base plate 600, so that the feeding device may be moved together as a whole for installation and removal.
The material winding shaft 100 is in sleeve fit with the material roll 500, and one shaft end of the material winding shaft 100 is fixed on the base plate 600.
It should be noted that the sleeve is to be noted that the roll material shaft 100 is inserted into the core hole of the roll material 500.
During the discharging process of the material roll 500, since the material roll 500 needs to rotate to pull the material strip 501 out of the material roll 500, therefore, if the material roll 100 is fixed, the connection between the material roll 100 and the material roll 500 is not fixed, the rotation friction between the material roll 100 and the material roll 500 is enough to prevent the material strip 501 from being torn off during the process of pulling out from the material roll 500, thus, the method can be realized by adopting a pure mechanical structure without an electric control device, is beneficial to reducing the problem of high fault caused by excessive electric control devices, and particularly, in the embodiment of the present invention, the material winding shaft 100 is an air expansion shaft, and the diameter of the air expansion shaft can be changed according to the amount of air inflation, so as to adjust the tightness between the material winding shaft 100 and the material roll 500, the rotating friction force between the material winding shaft 100 and the material winding 500 can be conveniently adjusted to meet the requirement that the material belt 501 cannot be torn off in the process of being pulled out of the material winding 500; if the material roll shaft 100 is rotatable, the connection between the material roll shaft 100 and the material roll 500 may be fixed, and the rotation amount of the material roll shaft 100 may be obtained by integrating the thickness of the encoder and the material roll 500, so as to increase the appropriate margin.
The feeding mechanism 200 comprises a driving roller 210, a driven roller 220 and a driving assembly 230, wherein the driving roller 210 and the driven roller 220 are oppositely arranged and clamp the material belt 501 together, and the driving assembly 230 comprises a worm wheel 231 connected with the driving roller 210, a worm 232 matched with the worm wheel 231, a driving motor 233 used for driving the worm 232 and an encoder which is electrically connected with the driving motor 233, arranged on the driving roller 210 and capable of acquiring the rotation information of the driving roller 210.
It should be noted that, both the driving roller 210 and the driven roller 220 can be directly connected to the substrate 600, or can be connected to the substrate 600 through an intermediate structure, specifically, in the embodiment of the present invention, the driving roller 210 is connected to the substrate 600 through the worm wheel 231, the driving roller 210 and the worm wheel 231 are coaxially disposed, the driven roller 220 is connected to the substrate 600 through the elastic pressing member 400, and the elastic pressing member 400 drives the driven roller 220 to press the material strap 501 onto the driving roller 210 through the elastic restoring force of the elastic pressing member 400; in the embodiment of the present invention, the driving motor 233 and the worm wheel 231 are both fixed on the base plate 600, and the worm 232 is fixedly connected to the output shaft of the driving motor 233.
It should be further noted that, the driving roller 210 and the driven roller 220 may be rubber rollers, so that when the driving roller 210 and the driven roller 220 clamp the material tape 501 together, the damage to the material tape 501 caused by the mutual pressing of the driving roller 210 and the driven roller 220 can be effectively reduced.
In the using process, when the driving roller 210 and the driven roller 220 clamp the material belt 501 together, static friction force exists between the driving roller 210 and the material belt 501, at this time, the driving motor 233 starts to work, the driving motor 233 rotates the worm 232 and drives the worm wheel 231 to rotate, and then the worm wheel 231 drives the driving roller 210 to rotate, and depending on the static friction force between the driving roller 210 and the material belt 501, the driving roller 210 drives the material belt 501 to discharge when the driving roller 210 rotates, wherein, because the encoder can obtain the rotation information of the driving roller 210, the discharge amount of the material belt 501 can be accurately obtained, when the material belt 501 reaches a preset discharge amount, the driving motor 233 stops working, based on the matching structure of the worm wheel 231 and the worm 232, the worm wheel 231 and the worm 232 have a self-locking function, the driving roller 210 can stop rotating immediately when stopping working, and the driving roller 210 is prevented from continuing to rotate under the action of inertia, therefore, the discharging amount of the material belt 501 can be accurately controlled, and the feeding reliability of the feeding device is improved.
It should be noted that when the driving roller 210 and the driven roller 220 clamp the material tape 501 together, a static friction force is also provided between the driven roller 220 and the material tape 501, and during the discharging process of the material tape 501, the driven roller 220 is driven to rotate by the static friction force between the driven roller 220 and the material tape 501, so that the driven roller 220 is prevented from obstructing the discharging of the material tape 501.
The embodiment of the utility model provides an in, driving motor 233 is step motor, and step motor has the high characteristics of controllability, can improve feeder's feed reliability.
Of course, it should be noted that, the specific control of the driving motor 233 is usually performed by a PLC, and after reading the above, a person skilled in the art knows how to implement the specific control, and therefore, the detailed description is omitted here.
Referring to fig. 1, in the embodiment of the present invention, the feeding device further includes a buffering mechanism 300, and the buffering mechanism 300 tensions the material belt 501 between the material roll 500 and the feeding mechanism 200.
The material belt 501 is tensioned by the buffer mechanism 300, and the material belt 501 between the buffer mechanism 300 and the feeding mechanism 200 can be straightened, so that the material belt 501 can enter the feeding mechanism 200 straightly and smoothly, and the feeding mechanism 200 is prevented from folding the material belt 501.
In the embodiment of the present invention, the buffering mechanism 300 is fixed on the base plate 600, the position relationship among the buffering mechanism 300, the winding shaft 100 and the feeding mechanism 200 is triangular, and through the setting of the buffering mechanism, the winding shaft 100 is disposed below the feeding mechanism 200, so as to save the space occupation of the winding shaft 100 in the horizontal direction.
Referring to fig. 1, in the embodiment of the present invention, the buffering mechanism 300 includes a tension roller 310 and an elastic structure 320, and the elastic structure 320 drives the tension roller 310 to press the material tape 501 through an elastic restoring force.
It should be noted here that the tension roller 310 is connected to the substrate 600 through the elastic structure 320.
Based on whose family of this structure, at first, when the slew velocity of material book 500 fails to follow the ejection of compact speed of feed mechanism 200 in the short time, elastic structure 320 can give certain buffering to avoid drawing and tearing apart between material area 501, and when feed mechanism 200's ejection of compact speed was too slow, elastic structure 320 tensioning material area 501, can straighten the material area 501 that is located between buffer mechanism 300 and feed mechanism 200, thereby guarantee that material area 501 can enter into feed mechanism 200 directly and smoothly, avoid feed mechanism 200 to buckle material area 501.
Referring to fig. 1, in the embodiment of the present invention, the elastic structure 320 includes a sliding rail support 321, a sliding block 322 and an elastic element 323, the sliding block 322 is connected to the sliding rail support 321 in a sliding manner and is further connected to one end of the tension roller 310, the elastic element 323 is connected to the sliding rail support 321, and drives the sliding block 322 through its elastic restoring force to drive the tension roller 310 to press the material tape 501. The structure has simple structure, is convenient for production and manufacture, and reduces the production and manufacture cost.
In the embodiment of the present invention, the sliding rail support 321 can be integrally connected to the substrate 600, and also can be connected to the substrate 600 through an intermediate structure.
Further, two elastic structures 320 are arranged and are respectively connected to two ends of the tension roller 310, so that the stress on two sides of the tension roller 310 is balanced, the tension roller 310 is prevented from inclining, and the stability of the buffer mechanism 300 is improved.
One of the rail brackets 321 is integrally connected to the base plate 600, and the other is connected to the base plate 600 through an intermediate structural member.
Furthermore, the sliding rail support 321 is provided with a sliding groove, and the sliding block 322 and the elastic element 323 are both located in the sliding groove and slidably connected to the sliding groove.
It should be noted that, in the embodiment of the present invention, the elastic member 323 is a compression spring, but in other embodiments, the elastic member 323 may also be a rubber band.
By utilizing the sliding connection relationship between the sliding block 322 and the sliding slot, the sliding block 322 can only move along the extending direction of the sliding slot, so that the sliding path of the sliding block 322 is limited, and the sliding block 322 is prevented from laterally deviating to other places, thereby being beneficial to improving the stability of the buffer mechanism 300.
Referring to fig. 1, in the embodiment of the present invention, the buffering mechanism 300 further includes a roller 330, at least one roller 330 is disposed between the material roll 500 and the feeding mechanism 200 between the material roll 500 and the tensioning roller 310, the roller 330 and the tensioning roller 310 are respectively disposed on two sides of the material tape 501, and the roller 330 can be used to adjust the path of the material tape 501.
Specifically, two rollers 330 are provided, wherein one roller 330 is located between the buffer mechanism 300 and the feeding mechanism 200 to adjust the entry angle of the material strip 501 into the buffer mechanism 300, and the other roller 330 is located between the buffer mechanism 300 and the winding shaft 100 to adjust the entry angle of the material strip 501 into the buffer mechanism 300.
In this embodiment, the central axes of the driving roller 210, the driven roller 220, the tension roller 310, and the roller 330 are parallel to each other.
Referring to fig. 1, in the embodiment of the present invention, the feeding device further includes an elastic pressing member 400, and the elastic pressing member 400 drives the driven roller 220 to press the material belt 501 onto the driving roller 210 through an elastic restoring force of the elastic pressing member 400.
Based on the structural design, not only can the placement of the material belt 501 between the driving roller 210 and the driven roller 220 be facilitated, but also the taking out of the material belt 501 from between the driving roller 210 and the driven roller 220 can be facilitated.
In use, a certain external force is applied to the driven roller 220 to overcome the elastic restoring force of the elastic pressing element 400, and the driven roller 220 is pulled away from the driving roller 210, so that a gap exists between the driven roller 220 and the driving roller 210, and by using the gap, a worker can place the material belt 501 between the driving roller 210 and the driven roller 220 and can take out the material belt 501 from between the driving roller 210 and the driven roller 220.
Specifically, in the embodiment of the present invention, the elastic pressing member 400 is a torsion spring structure.
Example two
The utility model also provides a film cutting machine, this film cutting machine includes feeder, and this feeder's concrete structure refers to above-mentioned embodiment.
In the using process, when the driving roller 210 and the driven roller 220 clamp the material belt 501 together, static friction force exists between the driving roller 210 and the material belt 501, at this time, the driving motor 233 starts to work, the driving motor 233 rotates the worm 232 and drives the worm wheel 231 to rotate, and then the worm wheel 231 drives the driving roller 210 to rotate, and depending on the static friction force between the driving roller 210 and the material belt 501, the driving roller 210 drives the material belt 501 to discharge when the driving roller 210 rotates, wherein, because the encoder can obtain the rotation information of the driving roller 210, the discharge amount of the material belt 501 can be accurately obtained, when the material belt 501 reaches a preset discharge amount, the driving motor 233 stops working, based on the matching structure of the worm wheel 231 and the worm 232, the worm wheel 231 and the worm 232 have a self-locking function, the driving roller 210 can stop rotating immediately when stopping working, and the driving roller 210 is prevented from continuing to rotate under the action of inertia, thereby can accurate control material area 501's load, improve the section degree of accuracy and the reliability of cutting the membrane machine.
It should be noted that when the driving roller 210 and the driven roller 220 clamp the material tape 501 together, a static friction force is also provided between the driven roller 220 and the material tape 501, and during the discharging process of the material tape 501, the driven roller 220 is driven to rotate by the static friction force between the driven roller 220 and the material tape 501, so that the driven roller 220 is prevented from obstructing the discharging of the material tape 501.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a feeder for make the material book emit the material area, its characterized in that, including coil stock axle and feed mechanism, the coil stock axle with the material is rolled up the material and is cup jointed the cooperation, feed mechanism includes drive roll, driven voller and drive assembly, the drive roll with the driven voller sets up and common centre gripping relatively the material area, drive assembly include with the worm wheel that the drive roll is connected, with worm wheel complex worm, be used for the drive the driving motor of worm and with the driving motor electricity is connected and is located just can acquire on the drive roll the encoder of drive roll pivoted information.
2. The feeding device of claim 1, further comprising a cushioning mechanism that tensions said strip of material between said roll and said feeding mechanism.
3. The feeding device as claimed in claim 2, wherein the buffering mechanism comprises a tension roller and an elastic structure, the elastic structure drives the tension roller to press the material belt through elastic restoring force.
4. The feeding device as claimed in claim 3, wherein the elastic structure comprises a sliding rail bracket, a sliding block and an elastic member, the sliding block is slidably connected to the sliding rail bracket and further connected to the tension roller, the elastic member is connected to the sliding rail bracket and drives the sliding block to drive the tension roller to press the material belt through its elastic restoring force.
5. The feeding device as claimed in claim 4, wherein the elastic structures are provided at two ends of the tension roller.
6. The feeding device as claimed in claim 4, wherein the slide rail bracket is provided with a sliding groove, the sliding block and the elastic member are both located in the sliding groove, and the sliding block is slidably connected to the sliding groove.
7. The feeding device as claimed in claim 3, wherein said buffer mechanism further comprises a roller, and at least one of said roller is disposed between said material roll and said tension roller and/or between said material roll and said feeding mechanism, and said roller and said tension roller are respectively disposed on both sides of said material belt.
8. The feeding device as claimed in any one of claims 1 to 7, further comprising an elastic pressing member for driving the driven roller to press the tape against the driving roller by an elastic restoring force thereof.
9. The feeding device according to any one of claims 1 to 7, wherein said winding shaft is an air-expanding shaft.
10. A film cutting machine, characterized by comprising a feeding device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156323.0U CN211920318U (en) | 2019-12-05 | 2019-12-05 | Feeding device and film cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156323.0U CN211920318U (en) | 2019-12-05 | 2019-12-05 | Feeding device and film cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN211920318U true CN211920318U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922156323.0U Active CN211920318U (en) | 2019-12-05 | 2019-12-05 | Feeding device and film cutting machine |
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| CN (1) | CN211920318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334472A (en) * | 2021-06-11 | 2021-09-03 | 湖北中烟工业有限责任公司 | Method and device for synchronizing silicone tube feeding mechanism and cutting device |
-
2019
- 2019-12-05 CN CN201922156323.0U patent/CN211920318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334472A (en) * | 2021-06-11 | 2021-09-03 | 湖北中烟工业有限责任公司 | Method and device for synchronizing silicone tube feeding mechanism and cutting device |
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