CN210793249U - Transfer car (buggy) is rolled up to lithium cell pole piece - Google Patents
Transfer car (buggy) is rolled up to lithium cell pole piece Download PDFInfo
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- CN210793249U CN210793249U CN201921125648.6U CN201921125648U CN210793249U CN 210793249 U CN210793249 U CN 210793249U CN 201921125648 U CN201921125648 U CN 201921125648U CN 210793249 U CN210793249 U CN 210793249U
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Abstract
The utility model discloses a lithium battery pole piece rolls up transfer car (buggy), including the car body with locate the supporting mechanism on the car body, supporting mechanism includes bracing piece, runner assembly and tray, on the one end of bracing piece was connected to the car body, the upper portion of bracing piece was equipped with runner assembly, the tray passed through the relative bracing piece of runner assembly and rotationally set up so that the horizontal angle of adjustment tray. The utility model discloses a transfer car (buggy) is rolled up to lithium-ion battery sheet, easy operation in battery coiled material coating transportation.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, in particular to a lithium battery pole piece rolls up transfer car (buggy).
Background
In the production process of a battery, a battery coiled material (a positive electrode coiled material or a negative electrode coiled material) needs to be coated with a positive electrode material or a negative electrode material through a coating machine to generate a battery pole piece roll, (the positive electrode pole piece roll or the negative electrode pole piece roll), the battery pole piece roll is divided into A, B two sides (an inward side and an outward side), in the coating process, the battery coiled material is generally fed from a feeding roller (unwinding) of the coating machine, after the surface A is coated through the coating machine, the battery coiled material coated with the surface A needs to be transferred from a discharging roller (winding) of the coating machine to a feeding roller of the coating machine to be coated with the surface B, and therefore the complete battery pole piece roll is manufactured.
However, the battery coiled material coated with the surface a is transferred from the discharge roller of the coating machine to the feed roller for feeding again to perform the coating process of the surface B, the battery coiled material coated with the surface a needs to be rotated by 180 degrees (namely, when the battery coiled material is unreeled again, the winding route shaft of the discharge roller needs to be rotated by 180 degrees and then put into the feed roller for coating the surface B), the existing material vehicle collects the battery coated with the surface a from the discharge roller and then directly transfers the battery coiled material to the feed roller, and then the battery coiled material coated with the surface a is manually lifted up to be rotated by 180 degrees and then fed to the feed roller, so that the operation is complex during coating of the battery coiled material, and due to the increase of the rotation process, the abrasion and the damage to the battery coiled material are increased, the processing precision of the battery coiled material is affected, and the capacity of.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transfer car (buggy) is rolled up to lithium cell pole piece to solve current battery coiled material and carrying out two-sided coating in-process through the coating machine, the battery coiled material that will scribble the A face from the unloading roller of coating machine carries out the coating of B face to the material loading roller of coating machine when, need the manual work to lift up and scribble the rotatory 180 degrees back material loading of the battery coiled material of A face and carry out the coating of B face to the material loading roller again, complex operation's technical problem during the coating of battery coiled material.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a lithium battery pole piece rolls up transfer car (buggy), includes the car body and locates the supporting mechanism on the car body, and supporting mechanism includes bracing piece, runner assembly and tray, and on the one end of bracing piece was connected to the car body, the upper portion of bracing piece was equipped with runner assembly, and the tray rotationally set up so that the horizontal angle of adjustment tray through the relative bracing piece of runner assembly.
Further, the rotating assembly comprises a bearing seat, a rotating bearing and a supporting shaft, the bearing seat is fixedly arranged on the supporting rod, the rotating bearing is arranged in the bearing seat, the first end of the supporting shaft is sleeved in the rotating bearing, and the second end of the supporting shaft is fixedly arranged below the tray and used for supporting the tray.
Further, the supporting mechanism is still including locating the rotation restriction subassembly of tray below, the rotation restriction subassembly includes the friction disc, forked tail slide bar and retaining member, the concave forked tail spout that is equipped with on the bracing piece, the forked tail slide bar is located in the forked tail spout along vertical slidable, the friction disc is fixed to be located on the forked tail slide bar, so that the friction disc is along with the motion of forked tail slide bar and then the top support or break away from the tray, the retaining member is in between forked tail spout and the forked tail slide bar and is used for locking the forked tail slide bar when the friction disc top supports the tray in order.
Further, the quantity of forked tail spout is two, and the forked tail slide bar is laid with the forked tail spout one-to-one, and the retaining member is lock nut, is equipped with a plurality of locking screw holes on the bottom plate of forked tail spout, and lock nut passes lock nut and pushes up forked tail slide bar in order to prevent that the friction disc top from pushing down the forked tail slide bar when pushing up the tray.
Furthermore, the bottom surface of the tray facing the friction plate is provided with an anti-skid bulge to increase the friction force when the friction plate is propped against the tray.
Further, the upper surface of tray is provided with the U-shaped groove that suits with lithium cell pole piece book.
Further, the tray includes a rigid layer disposed at the bottom and a flexible layer disposed at an upper portion of the rigid layer.
Further, the car body includes the main part support and is used for driving the wheel subassembly of main part support walking, the car body is still including being used for driving the bracing piece along the flexible subassembly of the direction of advance motion of car body, flexible subassembly is including agreing telescopic bracket and dead lever, agreing telescopic bracket's first end and locating on the lateral wall of car body, agreing telescopic bracket's second end and being equipped with the dead lever, the first end of bracing piece is located on the dead lever, or, flexible subassembly includes sliding guide and the locking bolt that passes sliding guide setting, sliding guide's first end is located on the lateral wall of car body, sliding guide's second end is located to the bracing piece slidable, locking bolt supports the bracing piece setting and is used for preventing that the bracing piece slides relative to the guide.
Further, the car body is still including being used for driving the lifting unit of flexible subassembly along the direction of height motion of car body, lifting unit includes the slide bar, hydraulic cylinder and the control handle who is used for controlling hydraulic cylinder lift, the slide bar liftable is located movably on the lateral wall of body, hydraulic cylinder's activity is served to the first end of slide bar is located, the second end and the flexible subassembly fixed connection of slide bar, hydraulic cylinder's stiff end is located on the car body, the side direction hinge of control handle is connected to the car body and the tip of control handle articulates on hydraulic cylinder's drive end in order to constitute the lever structure who is used for driving hydraulic cylinder.
Further, the car body still carries out the pre-positioning device of butt joint location with the unloading roller of coating machine when being used for loading lithium cell pole piece book, and pre-positioning device is for outwards extending and the locating lever of mutually supporting the location with the constant head tank of the unloading roller department of coating machine along the direction of advance of car body, and/or the car body still carries out the pre-positioning device of location with the material loading roller of coating machine when being used for uninstalling lithium cell pole piece book, and pre-positioning device is for outwards extending and the locating lever of mutually supporting the location with the constant head tank of the material loading roller department of coating machine along the direction of advance of car body.
The utility model discloses following beneficial effect has:
the utility model discloses a transfer car (buggy) is rolled up to lithium cell pole piece, include the bracing piece through supporting mechanism, runner assembly and tray, be convenient for place the battery coiled material and transport on the tray, prevent artifical transport damage battery coiled material when using manpower sparingly, one end through the bracing piece is connected to on the car body, the upper portion of bracing piece is equipped with runner assembly, the tray rotationally sets up so that the horizontal angle of adjustment tray through the relative bracing piece of runner assembly, at the in-process of transporting the battery coiled material to the material loading roller of coating machine from the unloading roller of coating machine, rotatory tray drives battery coiled material and rotates 8 degrees by oneself, behind the method autogiration battery coiled material through mechanical type, carry out the material loading, avoid needing the artifical material loading to carry out the coating of B face again to the material loading roller after lifting the rotatory 8 degrees of battery coiled material that scribbles A face.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a front view of a transfer vehicle for lithium battery pole piece rolls according to a preferred embodiment of the present invention;
fig. 2 is a plan view of a lithium battery electrode sheet roll transfer vehicle according to a preferred embodiment of the present invention.
Illustration of the drawings:
100. a lithium battery pole piece roll transfer trolley; 10. a vehicle body; 11. a main body support; 12. a wheel assembly; 13. a telescoping assembly; 14. a lifting assembly; 20. a support mechanism; 21. a support bar; 22. a rotating assembly; 23. a tray.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Fig. 1 is a front view of a transfer vehicle for lithium battery pole piece rolls according to a preferred embodiment of the present invention; fig. 2 is a plan view of a lithium battery electrode sheet roll transfer vehicle according to a preferred embodiment of the present invention.
As shown in fig. 1 and fig. 2, the lithium battery pole piece roll transfer trolley 100100 of this embodiment includes a trolley body 10 and a support mechanism 20 disposed on the trolley body 10, the support mechanism 20 includes a support rod 21, a rotating assembly 22 and a tray 23, one end of the support rod 21 is connected to the trolley body 10, the rotating assembly 22 is disposed on the upper portion of the support rod 21, and the tray 23 is rotatably disposed relative to the support rod 21 through the rotating assembly 22 so as to adjust a horizontal angle of the tray 23. The lithium battery pole piece roll transfer trolley 100 of the utility model is convenient for placing the battery coiled material on the tray 23 for transferring through the support mechanism 20 comprising the support rod 21, the rotating component 22 and the tray 23, the battery coiled material is prevented from being damaged by manual carrying while saving manpower, and is connected to the vehicle body 10 through one end of the support rod 21, the upper part of the support rod 21 is provided with a rotating assembly 22, the tray 23 is rotatably arranged relative to the support rod 21 through the rotating assembly 22 so as to adjust the horizontal angle of the tray 23, in the process of transferring the battery coiled material from the blanking roller of the coating machine to the feeding roller of the coating machine, the rotating tray 23 drives the battery coiled material to rotate 180 degrees by itself, the battery coiled material is automatically rotated by a mechanical method and then fed, so that the situation that the battery coiled material coated with the surface A needs to be manually lifted and rotated by 180 degrees, and then the battery coiled material is fed to a feeding roller to coat the surface B is avoided.
It can understand, the utility model discloses a lithium cell pole piece is rolled up transfer car (buggy) except that being used for lithium cell pole piece to roll up the transportation that outside can also be used for other battery production in-process roll material's transportation.
It is understood that the supporting mechanism 20 may be disposed on the bottom plate of the cart body 10 or on the side wall of the cart body 10, as long as the battery roll is supported by the supporting mechanism 20 to be transported with the cart body 10. The rotating component 22 can be a rotating component 22 supported by a bearing to rotate, and specifically, the rotating component is sleeved in the shaft sleeve through a rotating shaft to drive the tray to rotate; it is also possible to have a rotating assembly 22 that is geared or worm-driven, specifically, a rotating motor or a servo motor controlling the geared drive to rotate the tray.
Further, the rotating assembly 22 includes a bearing seat, a rotating bearing and a supporting shaft, the bearing seat is fixed at the second end of the supporting rod 21, the rotating bearing is fixed in the bearing seat, the first end of the supporting shaft is sleeved in the rotating bearing, and the second end of the supporting shaft is fixed below the tray 23 and is used for supporting the tray 23. It can be understood that the rotating bearing can be a needle bearing, the supporting shaft rotates in the rotating bearing to drive the tray 23 to rotate, the friction coefficient is small, the operation is convenient, and the rotating angle of the tray 23 is not limited.
Further, supporting mechanism 20 is still including locating the rotation restriction subassembly of tray 23 below, the rotation restriction subassembly includes the friction disc, forked tail slide bar and retaining member, the concave forked tail spout that is equipped with on the lateral wall of bracing piece 21, the forked tail slide bar is located in the forked tail spout along vertical slidable, the friction disc is fixed to be located on the forked tail slide bar, so that the friction disc is along with the motion of forked tail slide bar and then the top or break away from tray 23, the retaining member is in between forked tail spout and the forked tail slide bar and is used for locking the forked tail slide bar in order to prevent the forked tail slide bar landing downwards when the. It can be understood that the friction plate is a brake pad made of friction material and used for limiting the rotation of the tray 23 along with the rotating shaft when the brake pad is abutted against the bottom surface of the tray 23, and the locking member is at least one of a locking nut, a hoop and a hoop, so long as the dovetail slide bar is prevented from sliding through locking of the locking member. The rotation limiting assembly can also be a limiting bolt fixedly connected with the dovetail slide bar to penetrate through the tray or be inserted into the lower surface of the tray 23 to limit the rotation of the tray 23, and can be other clamping pieces such as a positioning frame fixedly connected with the dovetail slide bar. Through setting up rotation limiting component, avoid loading, dismantle or rotate the battery coiled material in-process, the battery coiled material rotates landing wantonly.
More preferably, the side walls of the two sides of the tray 23 are provided with center lines, the two side walls of the friction plate are provided with corresponding center marks, when the center lines coincide with the center marks, the tray 23 is locked through the rotation limiting assembly, the battery coiled material coated with the surface a at the blanking roller of the coating machine is loaded, in the process of moving the body, the tray 23 is rotated by 180 degrees, the tray 23 is fixed after the center lines on the tray 23 coincide with the center marks on the friction plate again, the battery coiled material coated with the surface a is loaded at the feeding roller of the coating machine, the operation is convenient, and the angle of rotating the battery coiled material can be precisely controlled.
Further, the quantity of forked tail spout is two, and the forked tail slide bar is laid with the forked tail spout one-to-one, and the retaining member is lock nut, is equipped with a plurality of locking screw holes on the bottom plate of forked tail spout, and lock nut passes lock nut and pushes up the forked tail slide bar in order to prevent that the friction disc top from pushing down the downward landing of forked tail slide bar when supporting tray 23. Through setting up two forked tail slide bars, when the forked tail slide bar drives the friction disc and pushes against tray 23 atress, prevent the friction disc horizontal hunting, also avoid the forked tail slide bar because the inhomogeneous damage of atress.
Further, the bottom surface of the tray 23 facing the friction plates is provided with anti-slip protrusions to increase the friction force when the friction plates abut against the tray 23.
Further, the upper surface of the tray 23 is provided with a U-shaped groove adapted to the lithium battery sheet roll. Through setting up tray 23 and having the U-shaped groove, can locate the battery coiled material card in the U-shaped inslot, prevent that the battery coiled material from following tray 23 internal slipping out because of inertia in the transshipment process again.
Further, the tray 23 includes a rigid layer provided at the bottom and a flexible layer provided at the upper portion of the rigid layer. It will be appreciated that the material of the flexible layer may be foam, elastomeric rubber or the like, which, by flexibly supporting the battery web, protects the thin, soft battery web from damage due to rigid compression deformation.
Further, car body 10 includes main part support 11 and is used for driving wheel assembly 12 that main part support 11 walked, car body 10 is still including being used for driving bracing piece 21 along the flexible subassembly 13 of the direction of advance motion of car body 10, flexible subassembly 13 is including welding formula expansion bracket and dead lever, the first end of welding formula expansion bracket is located on the lateral wall of car body 10, the second end of welding formula expansion bracket is equipped with the dead lever, the first end of bracing piece 21 is located on the dead lever, perhaps expansion assembly 13 includes sliding guide and passes the locking bolt that sliding guide set up, sliding guide's first end is located on car body 10's lateral wall, sliding guide's second end is located to bracing piece 21 slidable, the locking bolt top is supported bracing piece 21 and is used for preventing that bracing piece 21 from sliding relative to the guide. By arranging the telescopic assembly 13, the application range of the lithium battery pole piece roll transfer trolley 100 is increased, and in a space where the trolley body 10 cannot enter, the telescopic assembly 13 can drive the support rod 21 to stretch and retract so as to load and unload a battery coiled material.
Further, car body 10 still includes the lifting unit 14 that is used for driving flexible subassembly 13 along the direction of height motion of car body 10, lifting unit 14 includes the slide bar, hydraulic cylinder and the control handle who is used for controlling hydraulic cylinder lift, the slide bar is located on the lateral wall of body movably with the liftable, the first end of slide bar is located on hydraulic cylinder's the activity end, the second end and the flexible subassembly 13 fixed connection of slide bar, hydraulic cylinder's stiff end is located on car body 10, the side direction hinge of control handle connects on car body 10 and the tip of control handle articulates on hydraulic cylinder's drive end in order to constitute the lever structure who is used for driving hydraulic cylinder. By arranging the lifting assembly 14, the height of the tray 23 can be adjusted by adjusting the lifting assembly 14, so that the height of the tray 23 is matched with the height of the feeding roller or the discharging roller, and the battery coiled material is convenient to load and unload. Through the cooperation use of lifting unit 14 and flexible assembly 13, reduced the removal requirement to the parking stall body when loading and uninstallation battery coiled material, flexible operation.
Further, car body 10 still carries out the pre-positioning device that the butt joint was fixed a position with the unloading roller of coating machine when being used for loading lithium cell pole piece book, pre-positioning device is for outwards extending and the locating lever of mutually supporting the location with the constant head tank of the unloading roller department of coating machine along the direction of advance of car body 10, and/or car body 10 still carries out the pre-positioning device that fixes a position with the material loading roller of coating machine when being used for uninstalling lithium cell pole piece book, pre-positioning device is for outwards extending and the locating lever of mutually supporting the location with the constant head tank of the material loading roller department of coating machine along the direction of advance of car body 10. The vehicle body 10 is prevented from being forced to swing when the battery roll is loaded or unloaded.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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. A transfer trolley for lithium battery pole piece rolls comprises a trolley body (10) and a supporting mechanism (20) arranged on the trolley body (10), and is characterized in that,
the supporting mechanism (20) comprises a supporting rod (21), a rotating component (22) and a tray (23),
one end of the supporting rod (21) is connected to the vehicle body (10), the rotating assembly (22) is arranged on the upper portion of the supporting rod (21), and the tray (23) is arranged through the rotating assembly (22) relative to the supporting rod (21) in a rotating mode so that the horizontal angle of the tray (23) can be adjusted conveniently.
2. The lithium battery pole piece roll transfer car (buggy) of claim 1,
the rotating assembly (22) comprises a bearing seat, a rotating bearing and a supporting shaft, the bearing seat is fixedly arranged on the supporting rod (21), the rotating bearing is arranged in the bearing seat, the first end of the supporting shaft is sleeved in the rotating bearing, and the second end of the supporting shaft is fixedly arranged below the tray (23) and used for supporting the tray (23).
3. The lithium battery pole piece roll transfer car (buggy) of claim 2,
the supporting mechanism (20) also comprises a rotation limiting component arranged below the tray (23), the rotation limiting component comprises a friction plate, a dovetail slide bar and a locking piece, a dovetail sliding groove is concavely arranged on the supporting bar (21),
the dovetail slide bar is arranged in the dovetail slide groove in a sliding way along the vertical direction, the friction plate is fixedly arranged on the dovetail slide bar so as to enable the friction plate to move along with the dovetail slide bar to further prop against or separate from the tray (23),
the retaining member is located between forked tail spout and the forked tail slide bar and is used for the friction disc top is supported locking during tray (23) the forked tail slide bar is in order to prevent the forked tail slide bar landing downwards.
4. The lithium battery pole piece roll transfer car (buggy) of claim 3,
the number of the dovetail sliding grooves is two, the dovetail sliding rods and the dovetail sliding grooves are correspondingly arranged one by one,
the retaining member is lock nut, be equipped with a plurality of locking screw holes on dovetail sliding groove's the bottom plate, lock nut passes lock nut and top support the dovetail slide bar is in order to prevent the friction disc top supports during tray (23) the dovetail slide bar is landing downwards.
5. The lithium battery pole piece roll transfer car (buggy) of claim 4,
the bottom surface of the tray (23) facing the friction plates is provided with anti-skid protrusions so as to increase the friction force when the friction plates abut against the tray (23).
6. The lithium battery pole piece roll transfer car (buggy) of claim 5,
the upper surface of the tray (23) is provided with a U-shaped groove which is matched with the lithium battery pole piece coil.
7. The lithium battery pole piece roll transfer car (buggy) of claim 6,
the tray (23) comprises a rigid layer arranged at the bottom and a flexible layer arranged at the upper part of the rigid layer.
8. The lithium battery pole piece roll transfer car (buggy) of any one of claims 1 to 7,
the trolley body (10) comprises a main body support (11) and a wheel assembly (12) for driving the main body support (11) to walk, the trolley body (10) further comprises a telescopic assembly (13) for driving the supporting rod (21) to move along the advancing direction of the trolley body (10),
telescopic component (13) is including a formula of stirring expansion bracket and dead lever, the first end of a formula of stirring expansion bracket is located on the lateral wall of car body (10), the second end of a formula of stirring expansion bracket is equipped with the dead lever, the first end of bracing piece (21) is located on the dead lever, perhaps
The telescopic assembly (13) comprises a sliding guide rail and a locking bolt penetrating through the sliding guide rail, the first end of the sliding guide rail is arranged on the side wall of the vehicle body (10), the supporting rod (21) is arranged at the second end of the sliding guide rail in a sliding mode, and the locking bolt abuts against the supporting rod (21) and is used for preventing the supporting rod (21) from being opposite to the sliding guide rail from sliding.
9. The lithium battery pole piece roll transfer car (buggy) of claim 8,
the trolley body (10) also comprises a lifting component (14) which is used for driving the telescopic component (13) to move along the height direction of the trolley body (10), the lifting component (14) comprises a sliding rod, a hydraulic oil cylinder and a control handle which is used for controlling the hydraulic oil cylinder to lift,
the sliding rod is arranged on the side wall of the body in a lifting and movable mode, the first end of the sliding rod is arranged on the movable end of the hydraulic oil cylinder, the second end of the sliding rod is fixedly connected with the telescopic assembly (13), the fixed end of the hydraulic oil cylinder is arranged on the trolley body (10), the lateral direction of the control handle is hinged to the trolley body (10), and the end portion of the control handle is hinged to the driving end of the hydraulic oil cylinder to form a lever structure for driving the hydraulic oil cylinder.
10. The lithium battery pole piece roll transfer car (buggy) of claim 9,
the car body (10) further comprises a pre-positioning device which is used for carrying out butt joint positioning with a discharging roller of the coating machine when the lithium battery electrode sheet roll is loaded, wherein the pre-positioning device is a positioning rod which extends outwards along the advancing direction of the car body (10) and is matched and positioned with the positioning groove at the discharging roller of the coating machine, and/or
The car body (10) further comprises a pre-positioning device which is used for positioning a feeding roller of the coating machine when the lithium battery electrode sheet roll is unloaded, and the pre-positioning device is a positioning rod which extends outwards along the advancing direction of the car body (10) and is matched with the positioning groove at the feeding roller of the coating machine for positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125648.6U CN210793249U (en) | 2019-07-17 | 2019-07-17 | Transfer car (buggy) is rolled up to lithium cell pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921125648.6U CN210793249U (en) | 2019-07-17 | 2019-07-17 | Transfer car (buggy) is rolled up to lithium cell pole piece |
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| Publication Number | Publication Date |
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| CN210793249U true CN210793249U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921125648.6U Active CN210793249U (en) | 2019-07-17 | 2019-07-17 | Transfer car (buggy) is rolled up to lithium cell pole piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582683A (en) * | 2020-12-16 | 2021-03-30 | 山东精工电子科技有限公司 | Short-distance operation device for manufacturing and warehousing lithium ion battery pole piece |
| CN112709732A (en) * | 2020-12-29 | 2021-04-27 | 中北大学 | Automatic butt joint device |
-
2019
- 2019-07-17 CN CN201921125648.6U patent/CN210793249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112582683A (en) * | 2020-12-16 | 2021-03-30 | 山东精工电子科技有限公司 | Short-distance operation device for manufacturing and warehousing lithium ion battery pole piece |
| CN112709732A (en) * | 2020-12-29 | 2021-04-27 | 中北大学 | Automatic butt joint device |
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