CN211283105U - Diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line - Google Patents
Diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line Download PDFInfo
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- CN211283105U CN211283105U CN201922086881.4U CN201922086881U CN211283105U CN 211283105 U CN211283105 U CN 211283105U CN 201922086881 U CN201922086881 U CN 201922086881U CN 211283105 U CN211283105 U CN 211283105U
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Abstract
The utility model discloses a diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line. This diaphragm draw gear includes: the traction roller is used for driving the lithium battery diaphragm to move along the traction direction; the protection part comprises a plurality of protection plates, the protection plates are arranged to form a traction passage for the lithium battery diaphragm to pass through, and one side of each protection plate, which is close to the traction passage, is provided with an anti-jamming roller. The diaphragm of the existing lithium battery falls onto the protection plate under the influence of gravity after the diaphragm is broken or broken in the traction process, so that the diaphragm is easy to clamp. And this scheme is through setting the guard plate to have extra anti-sticking roller, after the diaphragm takes place the rupture of membranes or the circumstances such as rupture of membranes, the diaphragm can drop on the anti-sticking roller, and production workman just can drive the rotation of anti-sticking roller if the pulling diaphragm to avoided the diaphragm at the card membrane problem of this in-process, can resume production fast, prevented the manual misoperation, and can effectively reduce the potential safety hazard, promoted production efficiency.
Description
Technical Field
The utility model belongs to the technical field of lithium cell diaphragm production facility and specifically relates to a diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line are related to.
Background
At present, the preparation process of the lithium ion battery diaphragm mainly comprises two steps: dry processes (platelet separation) and wet processes (thermally induced phase separation). Wet processes can control pore size, distribution and porosity well, so that the wet processes are generally used for manufacturing high-end thin films, and recently, battery separators prepared by the wet processes are also favored by the market.
In the wet process, the battery separator is transversely stretched by the chain clip, so that the battery separator needs to be subjected to trimming and other operations through a traction system before further operation. The traction system mainly comprises a traction roller, a flattening roller, a cutter, a rim charge collecting device, an online thickness gauge and the like. When diaphragm products in the production process need debugging or the whole production line is shut down, the traction system can break the diaphragm at a traction inlet or artificially break the diaphragm, and at the moment, production workers are required to pull out the film left in the traction area and re-penetrate the film to recover production. In the process of pulling out the film, because of no tension force, the film falls under the influence of gravity, so that the film is clamped, production workers need to enter the interior of the film to be manually cut and recovered by using a cutter, the recovery method wastes production time, influences production efficiency and has obvious potential safety hazards. More seriously, if the production worker does not operate properly, the production equipment is damaged by forcibly pulling out the jammed film. Therefore, it is necessary to provide a diaphragm drawing device capable of preventing the occurrence of the sticking of the diaphragm.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a can avoid the diaphragm draw gear that the card membrane condition appears.
The utility model discloses still provide a lithium cell diaphragm production line that contains this diaphragm draw gear.
In a first aspect, an embodiment of the present invention provides a diaphragm traction device, which includes: the traction roller is used for driving the lithium battery diaphragm to move along the traction direction; the protection part comprises a plurality of protection plates, the protection plates are arranged to form a traction passage for the lithium battery diaphragm to pass through, and the protection plates are close to one side of the traction passage and are provided with anti-jamming rollers.
The utility model discloses diaphragm draw gear has following beneficial effect at least:
the diaphragm of the existing lithium battery falls onto the protection plate under the influence of gravity after the diaphragm is broken or broken in the traction process, so that the diaphragm is easy to clamp. And this scheme is through setting the guard plate to have extra anti-sticking roller, after the diaphragm takes place the rupture of membranes or the circumstances such as rupture of membranes, the diaphragm can drop on the anti-sticking roller, and production workman just can drive the rotation of anti-sticking roller if the pulling diaphragm to avoided the diaphragm at the card membrane problem of this in-process, can resume production fast, prevented the manual misoperation, and can effectively reduce the potential safety hazard, promoted production efficiency.
According to other embodiments of the present invention, the diaphragm traction device further comprises an anti-jamming roller. After the diaphragm breaks or the condition such as disconnected membrane takes place for the diaphragm, the diaphragm can drop downwards under the action of gravity, set up the situation that the anti-sticking roller can better deal with the diaphragm and drop in the below of drawing the passageway to solve the card membrane problem.
According to the utility model discloses a diaphragm draw gear of other embodiments, one side that the guard plate is close to the passageway of pulling is equipped with the protecting bath, and the anti-sticking roller sets up in the protecting bath. The arrangement of the protective groove can reduce the risk of the production workers who are involved in the process of operating the traction device, and effectively improves the production safety.
According to other embodiments of the present disclosure, the protective groove is cylindrical with an open side. When the membrane is broken or broken, the cylindrical structure of the protective groove can ensure the timely operation and accurate operation of the anti-blocking roller, so that the membrane can be normally pulled out.
According to other embodiments of the present invention, the diameter of the anti-sticking roller is 5cm-30 cm. The anti-blocking roller with the diameter can coordinate the sizes of the protection plate and the diaphragm, and the volume setting and normal production of the traction device are guaranteed.
According to the utility model discloses a diaphragm draw gear of other embodiments, the anti-sticking roller is formed by connecting a plurality of coaxial rollers. The arrangement of the coaxial rollers can be correspondingly adjusted and adapted according to the tension difference of the diaphragm in different width directions, so that the complex diaphragm breaking or breaking condition can be effectively responded, and the diaphragm pulling efficiency can be improved more pertinently.
According to other embodiments of the present invention, the plurality of coaxial rollers may be arranged such as mounting a plurality of stub rollers on a rotating shaft or coaxially connecting a plurality of stub rollers with their respective rotating shafts through a coupling.
According to other embodiments of the present disclosure, the membrane traction device further includes a protection plate selected from at least one of a non-porous protection plate and a mesh protection plate.
According to other embodiments of the present disclosure, the anti-jamming roller may be selected from any material, including but not limited to stainless steel anti-jamming rollers, aluminum anti-jamming rollers, rubber anti-jamming rollers; the protective plate can be selected from any material, including but not limited to stainless steel protective plate, aluminum protective plate, rubber protective plate.
According to other embodiments of the present disclosure, the protective groove is selected from any material, including but not limited to a stainless steel protective groove, an aluminum protective groove, and a rubber protective groove.
According to other embodiments of the present disclosure, the material of the stainless steel anti-sticking roller, the stainless steel protective plate, and the stainless steel protective groove may be 304 stainless steel.
In a second aspect, an embodiment of the present invention provides a membrane trimming apparatus including any one of the membrane tractors described above.
The utility model discloses diaphragm side cut equipment has following beneficial effect at least:
through setting up specific diaphragm draw gear, after the circumstances such as rupture of membranes or rupture of membranes takes place for the diaphragm, the diaphragm can drop on the anti-sticking roller, if the pulling diaphragm of production workman just can drive the rotation of anti-sticking roller to avoided the diaphragm at the card membrane problem of this in-process, can resume the side cut process fast, prevented artificial misoperation, and can effectively reduce the potential safety hazard, promoted production efficiency.
According to the utility model discloses a diaphragm side cut equipment of other embodiments specifically includes draw gear, exhibition paper-back edition mechanism, plastic mechanism. The lithium battery diaphragm is drawn by the traction device and is primarily flattened by the flattening mechanism, and then is flattened again by the shaping mechanism and is subjected to edge cutting. The winding may then be completed by a winding mechanism such as a wind-up roller.
Third aspect, an embodiment of the utility model provides a lithium battery diaphragm production line, this lithium battery diaphragm production line include any kind of above-mentioned lithium battery diaphragm draw gear.
The utility model discloses diaphragm side cut equipment has following beneficial effect at least:
through setting up specific diaphragm draw gear, after the circumstances such as rupture of membranes or rupture of membranes takes place for the diaphragm, the diaphragm can drop on the anti-sticking roller, and production workman if the pulling diaphragm just can drive the rotation of anti-sticking roller to avoided the card membrane problem of diaphragm at this in-process, can resume production fast, prevented artificial misoperation, and can effectively reduce the potential safety hazard, promoted production efficiency.
According to the utility model discloses a lithium battery diaphragm production line of some embodiments includes extrusion device, cooling device, stretching device, draw gear, exhibition flat mechanism, plastic mechanism, winding mechanism etc. according to specific production procedure order in proper order.
Drawings
FIG. 1 is a schematic view of a prior art diaphragm traction device;
fig. 2 is a schematic view of a diaphragm traction device according to an embodiment of the present invention;
figure 3 is a partial schematic view of the diaphragm traction device of figure 2.
Detailed Description
The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
Referring to fig. 1, a schematic view of a prior art diaphragm traction device is shown. The diaphragm draw gear includes the guard portion that a plurality of groups of guard plates formed, and every group guard plate includes the last guard plate 31 and the guard plate 32 down that highly differ, goes up and has certain interval between guard plate 31 and the guard plate 32 down to make the guard plate 31 and the guard plate 32 range formation in the multiunit and pull passageway 4, be provided with a plurality of carry over pinch rolls 2 in pulling passageway 4, be used for driving lithium cell diaphragm 1 along the motion of predetermined direction of pulling. When the lithium battery diaphragm 1 breaks or breaks the membrane in the whole traction system, the lithium battery diaphragm 1 falls onto the lower protection plate 32 under the action of gravity, so that the lithium battery diaphragm is easily clamped.
Example 1
Referring to fig. 2, a schematic diagram of a diaphragm traction device of one embodiment of the present invention is shown. This diaphragm draw gear includes the guard portion that a plurality of groups of guard plates formed, and every group guard plate includes the last guard plate 310 and the lower guard plate 320 that highly differ, goes up and has certain interval between guard plate 310 and the lower guard plate 320 to make guard plate 310 and lower guard plate 320 arrange on the multiunit and form and pull passageway 400, be provided with a plurality of carry over pinch rolls 200 in pulling passageway 400, be used for driving lithium battery diaphragm 100 along the motion of predetermined direction of pulling. An anti-sticking roller 321 is also installed at an upper edge (i.e., a side near the drawing passage 400) of the lower guard 320.
Referring to fig. 3, a partial schematic view of the diaphragm traction device of the embodiment of fig. 2 of the present invention is shown. A lower protective plate 320 is arranged below the traction roller 200, a cylindrical protective groove 322 is arranged at the upper edge of the lower protective plate 320, the side wall of the protective groove 322 is opened upwards, an anti-blocking roller 321 is arranged in the protective groove 322, and the anti-blocking roller 321 is formed by coaxially connecting a plurality of short rollers with respective rotating shafts through a coupling (not shown in the figure). The coaxial rollers have a diameter of 10cm (i.e., the rollers have the same diameter) and are capable of independent self-rotation within shield bath 322 about their respective axes of rotation. The lengths of the coaxial rollers can be set to be the same or different according to actual requirements. The inner wall of protection groove 322 sets up to the arcwall face that can laminate mutually with anti-sticking roller 321 outer wall surface in order to improve the stability of roller. The upper protection plate 310, the lower protection plate 320, the protection groove 322 and the anti-jamming roller 321 are all made of 304 stainless steel materials. After the conditions such as broken membrane or broken membrane take place for lithium battery diaphragm 100, can drop on anti-sticking roller 321, production workman pulling lithium battery diaphragm 100 just can drive the rotation of anti-sticking roller 321 to avoid lithium battery diaphragm 100 at the card membrane problem of this in-process, can resume production fast, prevent artificial misoperation, and can effectively reduce the potential safety hazard, promote production efficiency.
Example 2
A diaphragm traction device, which differs from example 1 in that the anti-seize roller consists of only one long roller with a diameter of 20 cm.
Example 3
A diaphragm traction device, which is different from embodiment 2 in that the diameter of the anti-sticking roller is 5 cm.
Example 4
The utility model provides a diaphragm side cut equipment, is including draw gear, exhibition flat mechanism, plastic mechanism and the winding mechanism that sets gradually according to production processes. The lithium battery diaphragm is pulled by the traction device, then is primarily flattened by the flattening mechanism, is secondarily flattened by the shaping mechanism and is trimmed, and is rolled by the rolling mechanism. Wherein the traction device is any one of the diaphragm traction devices of embodiments 1-3. Through setting up specific diaphragm draw gear, after the circumstances such as rupture of membranes or rupture of membranes takes place for the diaphragm, the diaphragm can drop on the anti-sticking roller, if the pulling diaphragm of production workman just can drive the rotation of anti-sticking roller to avoided the diaphragm at the card membrane problem of this in-process, can resume the side cut process fast, prevented artificial misoperation, and can effectively reduce the potential safety hazard, promoted production efficiency.
Example 5
The utility model provides a lithium cell diaphragm production line, includes extrusion device, cooling device, stretching device and diaphragm side cut equipment that set gradually according to production flow. Wherein the membrane trimming apparatus is the membrane trimming apparatus of example 4. Through setting up specific diaphragm side cut equipment, after the diaphragm takes place the rupture of membranes or condition such as rupture of membranes, the diaphragm can drop on the anti-sticking roller, if the pulling diaphragm just can drive the rotation of anti-sticking roller for the production workman to avoided the card membrane problem of diaphragm at this in-process, can resume production fast, prevented artificial misoperation, effectively reduced the potential safety hazard.
Example 6
A diaphragm traction device is different from the embodiment 1 in that an anti-blocking roller is formed by coaxially connecting a plurality of aluminum short rollers with the diameter of 30cm through respective rotating shafts by virtue of couplers.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (9)
1. A diaphragm traction device, comprising:
the traction roller is used for driving the lithium battery diaphragm to move along the traction direction;
the protection part comprises a plurality of protection plates, the protection plates are arranged to form a traction passage through which the lithium battery diaphragm passes, and the protection plates are close to one side of the traction passage and are provided with anti-jamming rollers.
2. A membrane draw arrangement according to claim 1, wherein the anti-jamming rollers are located below the draw channel.
3. Diaphragm traction device according to claim 1, characterized in that the side of the protection plate close to the traction channel is provided with a protection groove in which the anti-sticking roller is arranged.
4. A membrane draw device as defined in claim 3, wherein the shield groove is open-sided cylindrical.
5. A diaphragm traction device as defined in claim 1, wherein the diameter of the anti-seize roller is between 5cm and 30 cm.
6. A diaphragm traction device as defined in claim 1, wherein the anti-seize roller is formed by a plurality of coaxial rollers connected together.
7. The membrane draw gear of claim 1, wherein the protection plate is selected from any one of a non-porous protection plate and a mesh protection plate.
8. A membrane trimming apparatus, characterized in that it comprises a membrane traction device according to any one of claims 1 to 7.
9. A lithium battery separator production line characterized by comprising the separator traction device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086881.4U CN211283105U (en) | 2019-11-28 | 2019-11-28 | Diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922086881.4U CN211283105U (en) | 2019-11-28 | 2019-11-28 | Diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211283105U true CN211283105U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922086881.4U Active CN211283105U (en) | 2019-11-28 | 2019-11-28 | Diaphragm draw gear, diaphragm side cut equipment and lithium cell diaphragm production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211283105U (en) |
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2019
- 2019-11-28 CN CN201922086881.4U patent/CN211283105U/en active Active
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