CN215315959U

CN215315959U - Battery tab cutting device

Info

Publication number: CN215315959U
Application number: CN202121370393.7U
Authority: CN
Inventors: 汪涛; 叶嘉明; 陈连周
Original assignee: Shenzhen Heying Xinneng Electronics Co ltd
Current assignee: Shenzhen Zhenghexin Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-28
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a battery tab cutting device capable of automatically cutting a battery tab. The battery placing table comprises a base arranged on the machine table and limit stops arranged on the left side and the right side of the base, the base and the two limit stops enclose a battery placing position, and the distance between the two limit stops is adjustable. The rear of platform is placed to the battery is located to cutting components, cutting components includes the bottom end tool, go up the cutter, driver and the vertical mounting bracket of locating on the board, the front side at the mounting bracket is installed to the driver, it installs the output at the driver to go up the cutter, the bottom end tool sets firmly on the board and is right from top to bottom with last cutter, the driver is used for driving the cutter to descend and cuts the utmost point ear that is located the bottom end tool with the cooperation bottom end tool, or the cutter rises in order to keep away from the bottom end tool in the drive, the breach that runs through its front and back both sides is seted up to the mounting bracket. The receiver is located the rear side of lower cutter and passes the breach, and the receiver is used for accepting the utmost point ear of being cut off.

Description

Battery tab cutting device

Technical Field

The utility model relates to the technical field of lithium battery manufacturing, in particular to a battery tab cutting device.

Background

The positive electrode lug of the lithium battery is an aluminum-to-nickel electrode lug, and the negative electrode lug is a nickel electrode lug. In the process of formation and capacity grading, the length of the tab needs to be lengthened so as to be convenient for use in the production process; in the process of spot welding the battery protection plate, the battery protection plate needs to be bent to the top sealing area of the lithium battery, so that the tabs need to be cut short correspondingly.

At present, the battery tab is mostly cut by hands by using scissors, the phenomenon that the length of the tab is inconsistent and the tangent plane is inclined is very easy to occur in the cutting process of the battery tab, the burr of the tab cut by the scissors is serious, and an aluminum plastic film is easily scratched in the process of processing a welding line and welding a battery protection plate, so that the leakage of a lithium battery is caused, and the normal use is influenced.

Therefore, it is desirable to provide a battery tab cutting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery tab cutting device capable of automatically cutting a battery tab.

In order to achieve the purpose, the utility model discloses a battery tab cutting device which comprises a machine table, a battery placing table, a cutting assembly and a storage box. The battery placing table comprises a base arranged on the machine table and limit stops arranged on the left side and the right side of the base, the base and the two limit stops enclose a battery placing position, and the distance between the two limit stops is adjustable. Cutting element locates the rear of platform is placed to the battery, cutting element includes the bottom suspension tool, goes up cutter, driver and vertical locating mounting bracket on the board, the driver is installed the front side of mounting bracket, it installs to go up the cutter the output of driver, the bottom suspension tool sets firmly on the board and with it is right from top to bottom to go up the cutter, the driver is used for the drive go up the cutter and descend with the cooperation the bottom suspension tool cuts and is located utmost point ear on the bottom suspension tool, or drive go up the cutter and rise in order to keep away from the bottom suspension tool, the breach that runs through both sides around it is seted up to the mounting bracket. The receiver is located the rear side of lower cutter passes the breach, the receiver is used for accepting the utmost point ear of being cut out.

Compared with the prior art, the automatic cutting machine realizes automatic cutting of the tab, and can avoid the problems of inconsistent length of the positive and negative tabs, inclined tab section and serious burrs when the tab is cut manually. And, set up the breach and place the receiver in breach department and accept the utmost point ear of being cut out through setting up the breach at the mounting bracket, can keep the clean and tidy of board. In addition, the distance between the two limit stops of the battery placing table in the left and right directions is adjustable, the size of the battery placing table in the left and right directions can be adjusted, the battery placing table can be suitable for placing batteries with different sizes, the work of replacing the battery placing table is reduced, and the operation efficiency is improved.

Preferably, the limit stop is provided with a through hole penetrating through the upper surface and the lower surface of the limit stop, the base is provided with a plurality of screw holes distributed along the left-right direction, and the limit stop is fixed with the base by means of the through hole and one of the screw holes through which a screw penetrates.

Preferably, the distance between the battery placing table and the lower cutter is adjustable.

Preferably, the cutting assembly further comprises a slide rail arranged on the front side of the mounting frame and a slide block arranged on the slide rail in a sliding manner, the slide rail extends in the up-down direction, and the rear side of the upper cutter is fixed with the slide block.

Preferably, the mounting bracket includes vertical setting and is in first riser, second riser and third riser on the board, second riser, third riser are fixed the rear side of first riser, just the second riser with the third riser is located respectively the left and right sides of first riser, the first riser is equipped with the breach with the slide rail, just the both sides that the breach is relative are equipped with one respectively the slide rail.

Preferably, the upper cutter comprises an upper blade and an upper cutter seat, and the upper blade and the upper cutter seat are fixed together through a bolt.

Preferably, the lower cutter comprises a lower blade and a lower cutter seat, the lower cutter seat is provided with an installation clamping groove, and the lower blade is clamped in the installation clamping groove.

Preferably, the lower blade comprises a first cutting portion and a second cutting portion which are separated from each other, the first cutting portion and the upper blade are matched to cut a positive tab of the battery, the second cutting portion and the upper blade are matched to cut a negative tab of the battery, and a gap between the first cutting portion and the second cutting portion is provided with a partition which protrudes forwards.

Preferably, the upper blade and the lower blade are ceramic blades.

Preferably, the actuator is a pneumatic cylinder.

Drawings

Fig. 1 is a schematic perspective view of a battery tab cutting device according to an embodiment of the present invention.

Fig. 2 is a side view of the battery tab cutting apparatus shown in fig. 1.

Fig. 3 is a rear view of the battery tab cutting apparatus shown in fig. 1.

Fig. 4 is a top view of the battery tab cutting apparatus shown in fig. 1.

Fig. 5 is a schematic structural view of a lower cutter according to an embodiment of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and thus are not to be construed as limiting the scope of the present invention. The left and right directions and the front and back directions are two directions which are vertical to each other on the same horizontal plane.

Referring to fig. 1 to 5, a battery tab cutting device 100 of the present invention includes a machine table 1, a battery placing table 2, a cutting assembly 3, and a storage box 4. The battery placing table 2 includes a base 21 disposed on the machine table 1 and limit stops 22 disposed on left and right sides of the base 21, a battery placing position 20 (shown in fig. 1) for placing a battery (not shown) is defined by the base 21 and the two limit stops 22, and a distance between the two limit stops 22 is adjustable. Cutting assembly 3 locates the rear of battery placing table 2, cutting assembly 3 includes bottom tool 31, go up cutter 32, driver 33 and the vertical mounting bracket 34 of locating on board 1, driver 33 passes through mount pad 35 to be installed in the front side of mounting bracket 34, it installs the output at driver 33 to go up cutter 32, bottom tool 31 sets firmly on board 1 and is about just right (as shown in fig. 2) with last cutter 32, driver 33 is used for driving to go up cutter 32 and descends and cuts the utmost point ear that is located bottom tool 31 with cooperation bottom tool 31, or cutter 32 rises in order to keep away from bottom tool 31 in the drive. The mounting bracket 34 is provided with a notch 340 (shown in fig. 1 and 3) penetrating through the front and rear sides thereof. The storage case 4 is provided on the rear side of the lower cutter 31 and passes through the notch 340, and the storage case 4 is used for receiving the tab cut off.

Hereinafter, the battery tab cutting device 100 according to the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 4, the limit stopper 22 has a through hole 220 penetrating through the upper and lower surfaces thereof, the base 21 has a plurality of screw holes 210 arranged in the left-right direction, and the limit stopper 22 is fixed to the base 21 by inserting a screw (not shown) through the through hole 220 and one of the screw holes 210. When a battery with a larger size in the left-right direction needs to be placed, the two limit stoppers 22 are firstly moved towards the left edge and the right edge of the base 21; then, screws are inserted into the through holes 220 and the corresponding screw holes 210, so that the size of the battery placing position 20 in the left-right direction is adjusted; and then the battery is placed at the battery placing position 20, so that the structure is simple and the operation is easy. On the contrary, when a battery having a small size in the left-right direction needs to be placed, the two limit stoppers 22 are moved toward the middle of the base 21. In the embodiment shown in fig. 1, the through hole 220 is a long hole extending in the left-right direction, but the through hole 220 may be a circular hole.

Further, the distance between the battery placing table 2 and the lower cutter 31 is adjustable. Thereby, a desired tab length can be obtained. Specifically, a plurality of screw holes arranged in the front-back direction are formed in the machine table 1 to fix the battery placing table 2 at different positions of the machine table 1, so as to adjust the distance between the battery placing table 2 and the lower cutter 31; or a linear sliding structure may be provided between the machine platform 1 and the battery placing platform 2 to drive the battery placing platform 2 to move back and forth on the machine platform 1, so as to adjust the distance between the battery placing platform 2 and the lower cutter 31.

Referring to fig. 1 and 2, as shown in fig. 1 and 2, the cutting assembly 3 further includes a slide rail 36 disposed at a front side of the mounting frame 34 and a slide block 37 slidably disposed on the slide rail 36, the slide rail 36 extends along an up-down direction, and a rear side of the upper cutter 32 is fixed to the slide block 37. By means of the arrangement of the slide block 37 and the slide rail 36, the movement of the upper tool 32 in the up-and-down direction is more labor-saving and stable.

As shown in fig. 1, the mounting bracket 34 includes a first riser 341, a second riser 342 and a third riser 343 that are vertically disposed on the machine platform 1, the second riser 342 and the third riser 343 are fixed at the rear side of the first riser 341, and the second riser 342 and the third riser 343 are respectively located at the left and right sides of the first riser 341, the first riser 341 is provided with a notch 340 and a slide rail 36, and two opposite sides of the notch 340 are respectively provided with a slide rail 36.

Referring to fig. 1 and 2, as shown in fig. 1, the upper tool 32 includes an upper insert 321 and an upper tool seat 322, and the upper insert 321 and the upper tool seat 322 are fixed together by bolts (not shown). As shown in fig. 2, the lower cutter 31 includes a lower blade 311 and a lower holder 312, the lower holder 312 is provided with a mounting slot 310 (shown in fig. 5), and the lower blade 311 is clamped in the mounting slot 310. The upper blade 321 is fixed to the upper blade holder 322 by a bolt, so that the upper blade 321 is stably mounted on the upper blade holder 322, and the upper blade 321 is also easily dismounted from the upper blade holder 322. The lower blade 311 is fixed by the mounting slot 310, so that the lower blade 311 can be quickly mounted and dismounted. In this embodiment, the upper blade 321 and the lower blade 311 are ceramic blades, but not limited thereto. The driver 33 is a cylinder, but should not be limited thereto.

Referring to fig. 5, in the embodiment shown in fig. 5, the lower blade 311 includes a first cutting portion 3111 and a second cutting portion 3112 which are separated from each other, the first cutting portion 3111 cooperates with the upper blade 321 to cut positive tabs of the battery, the second cutting portion 3112 cooperates with the upper blade 321 to cut negative tabs of the battery, and a spacer 38 protruding forward is disposed in a gap between the first cutting portion 3111 and the second cutting portion 3112. Through first cutting portion 3111 and last blade 321 cooperation cut the anodal ear of battery, cut the negative pole ear of battery through second cutting portion 3112 and last blade 321 cooperation to set up anodal ear and the negative pole ear of separator 38 isolation battery, ensure that anodal ear and negative pole ear of battery can not contact each other, can prevent to cut anodal ear and the negative pole ear contact of in-process battery and lead to the battery short circuit.

The operation of the battery tab cutting apparatus 100 according to the present invention will be described in detail with reference to the accompanying drawings.

Firstly, adjusting the distance between the battery placing table 2 and the lower cutter 31 according to the length of the tab required to be left by the battery with the tab to be cut, and adjusting the distance between the two limit stops 22 according to the size of the battery with the tab to be cut in the left-right direction; next, the battery is placed in the battery placing position 20, and the positive and negative electrode tabs of the battery are placed on the left and right sides of the separator 38, respectively; then, starting the driver 33, and driving the upper cutter 32 to descend for a preset distance through the driver 33, so as to cut the tab of the battery; then, the driver 33 drives the upper cutter 32 to ascend to the original place, and in the process, the cut tab falls into the storage box 4, and at the moment, the battery cutting operation is completed.

Compared with the prior art, the automatic cutting machine realizes automatic cutting of the tab, and can avoid the problems of inconsistent length of the positive and negative tabs, inclined tab section and serious burrs when the tab is cut manually. And, through set up breach 340 at mounting bracket 34 and place receiver 4 at breach 340 and accept the utmost point ear of being cut off, can keep the clean and tidy of board 1. In addition, the distance between the two limit stoppers 22 of the battery placing table 2 in the left-right direction is set to be adjustable, the size of the battery placing position 20 in the left-right direction can be adjusted, the battery placing table can be suitable for placing batteries with different sizes, the work of replacing the battery placing table 2 is reduced, and the work efficiency is improved.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims

1. The utility model provides a battery tab cutting device which characterized in that includes:

a machine platform;

the battery placing table comprises a base arranged on the machine table and limit stops arranged on the left side and the right side of the base, the base and the two limit stops surround a battery placing position, and the distance between the two limit stops is adjustable;

the cutting assembly is arranged behind the battery placing table and comprises a lower cutter, an upper cutter, a driver and an installation frame vertically arranged on the machine table, the driver is arranged on the front side of the installation frame, the upper cutter is arranged at the output end of the driver, the lower cutter is fixedly arranged on the machine table and is right opposite to the upper cutter up and down, the driver is used for driving the upper cutter to descend so as to be matched with the lower cutter to cut a lug positioned on the lower cutter, or driving the upper cutter to ascend so as to be far away from the lower cutter, and the installation frame is provided with notches penetrating through the front side and the rear side of the installation frame; and

the receiver is located the rear side of lower cutter passes the breach, the receiver is used for accepting the utmost point ear of being cut out.

2. The battery tab cutting device as claimed in claim 1, wherein the limit stop has a through hole penetrating through the upper and lower surfaces thereof, the base has a plurality of screw holes arranged in a left-right direction, and the limit stop is fixed to the base by inserting a screw through the through hole and one of the screw holes.

3. The battery tab cutting apparatus as claimed in claim 1, wherein the distance between the battery placing table and the lower cutter is adjustable.

4. The battery tab cutting device of claim 1, wherein the cutting assembly further comprises a slide rail disposed on the front side of the mounting frame and a slide block slidably disposed on the slide rail, the slide rail extending in an up-down direction, and the rear side of the upper cutter is fixed to the slide block.

5. The battery tab cutting device of claim 4, wherein the mounting bracket includes a first vertical plate, a second vertical plate and a third vertical plate vertically disposed on the machine platform, the second vertical plate and the third vertical plate are fixed to the rear side of the first vertical plate, the second vertical plate and the third vertical plate are respectively located on the left side and the right side of the first vertical plate, the first vertical plate is provided with the notch and the slide rail, and two sides opposite to the notch are respectively provided with the slide rail.

6. The battery tab cutting apparatus as claimed in claim 1, wherein the upper cutter comprises an upper blade and an upper blade seat, the upper blade and the upper blade seat being fixed together by means of a bolt.

7. The battery tab cutting apparatus as claimed in claim 6, wherein the lower cutter comprises a lower blade and a lower cutter base, the lower cutter base is provided with a mounting slot, and the lower blade is clamped in the mounting slot.

8. The battery tab cutting device of claim 7 wherein the lower blade includes first and second spaced apart cutting portions, the first cutting portion cooperating with the upper blade to cut positive tabs of the battery, the second cutting portion cooperating with the upper blade to cut negative tabs of the battery, and a gap between the first and second cutting portions is provided with a forwardly projecting spacer.

9. The battery tab cutting apparatus of claim 7 wherein the upper and lower blades are ceramic blades.

10. The battery tab cutting apparatus of claim 1 wherein the driver is an air cylinder.