CN219520620U - Tab cutting machine and tab cutting module - Google Patents

Abstract

The utility model provides a tab cutting machine and a tab cutting module, wherein the tab cutting machine comprises: the device comprises a supporting table, a first driver, a rack and a cutting mechanism; the output of first driver is connected with the brace table, and lower cutter and last cutter are parallel to each other and dislocation set, and lower cutter forms the cutting face when cutting with last cutter dislocation, and the second driver is connected with last installation piece drive, is provided with the installation reference surface on the last installation piece, goes up installation reference surface and cuts the face coincidence. Because the upper mounting datum plane is overlapped with the cutting plane, the upper mounting datum plane can be directly aligned to mount the upper cutter on the upper mounting block, thus, the adjustment of the mounting datum is effectively avoided, the mounting of the upper cutter is more rapid and convenient, the change of the cutting gaps between the upper cutter and the lower cutter after the upper cutter is polished is effectively avoided, and the cutting effect is effectively ensured.

Description

Tab cutting machine and tab cutting module

Technical Field

The present utility model relates to a cutting machine, and more particularly, to a tab cutting machine and a tab cutting module.

Background

The lithium ion battery is a green environment-friendly battery, and has been rapidly developed in recent years. The battery core of the battery is formed by stacking a plurality of layers of positive and negative pole pieces, and the pole lugs are protruding parts of each layer of pole pieces of the battery core, and as the pole lug sizes of the lithium ion battery are different, the front ends of the pole lugs of the plurality of layers of pole lug lamination are uneven after being pre-welded, the front ends of the battery pole lugs are required to be cut and trimmed in order not to influence the follow-up cover plate welding or other working procedures.

The tab cutting machine generally punches tabs on a lower cutter through an upper cutter to cut the tabs, but the current cutter is easy to wear after long-time use, so that the cutter needs to be polished, gaps between the cutters which are cut in a staggered manner can be changed after the cutter is polished, standard gaskets or other measures are required to be added to the cutter to ensure that the cut gaps are not affected, cutting effects are ensured, the cutter reference is changed, and the reference is readjusted each time when the cutter is reinstalled, so that time is wasted.

Disclosure of Invention

The utility model provides a tab cutting machine and a tab cutting module, which are used for solving the problem that the reference is required to be readjusted each time when the cutter is reinstalled in the background technology, so that time is wasted.

In order to solve the technical problems, the utility model adopts the following technical scheme: a tab cutting machine comprising: the device comprises a supporting table, a first driver for driving the supporting table to move upwards, a rack and a cutting mechanism for cutting off the pole lugs;

the output end of the first driver is connected with the supporting table, the frame is arranged on the supporting table, and the cutting mechanism is arranged on the frame;

the cutting mechanism comprises a cutter assembly and a second driver, wherein the cutter assembly comprises a lower mounting block, a lower cutter, an upper mounting block and an upper cutter which is driven by the second driver to move towards the lower cutter, the lower mounting block is arranged on the frame, the lower cutter is connected with the lower mounting block, the lower cutter is parallel to the upper cutter and is arranged in a staggered mode, a cutting surface is formed when the lower cutter is sheared in a staggered mode, the second driver is arranged on the frame, the second driver is connected with the upper mounting block in a driving mode, an upper mounting reference surface is arranged on the upper mounting block, the upper mounting reference surface coincides with the cutting surface, the upper cutter is arranged on the upper mounting block, and one side, close to the cutting surface, of the upper cutter is flush with the upper mounting reference surface.

In one embodiment, a lower mounting reference surface is arranged on the lower mounting block, an included angle between the lower mounting reference surface and the upper mounting reference surface is a flat angle, and one side, close to the cutting surface, of the lower cutter is flush with the lower mounting reference surface.

In one embodiment, the cutting mechanism further comprises a tab pressing assembly, the tab pressing assembly comprises a tab pressing block for pressing the upper surface of the tab and a third driver for driving the tab pressing block to press the tab, the third driver is arranged on the frame and is in driving connection with the tab pressing block, the tab pressing block is arranged on one side, close to the lower cutter, of the upper cutter, and the tab pressing block is arranged opposite to the lower cutter.

In one embodiment, the tab depressing assembly further comprises a connecting plate and two transmission rods, the upper mounting block is provided with two through holes, the third driver is in driving connection with the first face of the connecting plate, the first end of each transmission rod is connected with the second face of the connecting plate, and the second end of each transmission rod movably penetrates through one through hole to be connected with the tab pressing block.

In one embodiment, the tab pressing assembly further comprises linear bearings respectively installed in the through holes, and the transmission rod is movably arranged in the linear bearings in a penetrating mode.

In one embodiment, the cutter assembly further comprises a plurality of guide shafts, each of the upper mounting blocks is provided with a plurality of sliding holes, one end of each of the guide shafts is connected with the frame, and the other end of each of the guide shafts passes through each of the sliding holes to be connected with the lower mounting block.

In one embodiment, the frame is provided with a waste port for collecting waste after cutting, and the upper cutter is located above the waste port.

In one embodiment, the cutting mechanism further comprises a waste collection assembly, the waste collection assembly comprises a waste bin, a negative pressure transmitter for generating negative pressure to collect waste and a waste collection box for containing the waste, the support table is provided with an opening, one end of the waste bin passes through the opening and is communicated with the waste port, the other end of the waste bin is communicated with one end of the waste collection box, and the negative pressure transmitter is connected with the other end of the waste collection box.

In one embodiment, the waste collection assembly further comprises a waste fill sensor disposed within the waste collection bin.

The utility model provides a utmost point ear cuts module, is including the anchor clamps that are used for bearing N electric core and two the utmost point ear cutting machine in the above-mentioned embodiment, every utmost point ear cutting machine includes N sets up side by side in the frame cut mechanism, N is greater than or equal to 1, two utmost point ear cutting machine just sets up, and two utmost point ear cutting machine forms the passageway of tailorring that is used for shearing the anodal utmost point ear and the negative pole utmost point ear of N electric core, the anchor clamps are located tailorring the passageway.

Compared with the prior art, the beneficial effects are that: because the height of the battery cell is fixed, the supporting table is driven to move upwards through the first driver, the frame is driven to move upwards, the top of the lower cutter is further used for supporting the lower surface of the tab, and the upper cutter is driven to punch the tab on the lower cutter downwards through the second driver until the front end part of the tab is cut off. Wherein, go up the cutter and use when wearing and tearing appear in long-time, need take off last cutter to carry out the coping to last cutter, thereby because of last installation reference surface and cutting face coincidence setting, thereby can be directly through installing the reference surface on the alignment and install last cutter on last installation piece, like this, effectively avoid adjusting the installation reference for the installation of last cutter is more swift convenient, and effectively avoids going up the cutter and cutting the seam clearance with cutting down the cutter and change after the coping, thereby effectively guaranteed the cutting effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a tab cutting machine;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

figure 3 is a schematic view of the structure of the cutter assembly of the present utility model;

figure 4 is a schematic view of the side of the cutter assembly of the present utility model;

figure 5 is an exploded view of the cutter assembly of the present utility model;

FIG. 6 is a schematic view of a tab hold-down assembly according to the present utility model;

fig. 7 is a schematic overall structure of the tab cutting module.

10. A tab cutting machine; 20. a tab cutting module; 100. a support table; 110. an opening; 200. a frame; 300. a first driver; 400. a cutting mechanism; 410. a cutter assembly; 411. an upper mounting block; 411a, upper mounting datum plane; 411b, an existing upper mounting datum plane; 412. an upper cutter; 413. a second driver; 414. a lower mounting block; 414a, lower mounting datum plane; 415. a lower cutter; 416. a guide shaft; 420. the tab pressing assembly; 421. pressing a lug; 422. a third driver; 423. a connecting plate; 424. a transmission rod; 425. a linear bearing; 430. a waste collection assembly; 431. a waste bin; 432. a negative pressure transmitter; 433. and a waste collection box.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and for example, the particular relationship represented may be either fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this disclosure may be understood as appropriate.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

As shown in fig. 1 to 6, the present embodiment provides a tab cutting machine 10, including: a support table 100, a first driver 300 for driving the support table 100 to move upward, a frame 200, and a cutting mechanism 400 for cutting off tabs; the output end of the first driver 300 is connected with the supporting table 100, the stand 200 is arranged on the supporting table 100, and the cutting mechanism 400 is arranged on the stand 200; the cutting mechanism 400 comprises a cutter assembly 410 and a second driver 413, the cutter assembly 410 comprises a lower mounting block 414, a lower cutter 415, an upper mounting block 411 and an upper cutter 412 which is driven by the second driver 413 to move towards the lower cutter 415, the lower mounting block 414 is arranged on the frame 200, the lower cutter 415 is connected with the lower mounting block 414, the lower cutter 415 and the upper cutter 412 are parallel to each other and are arranged in a staggered mode, a cutting surface is formed when the lower cutter 415 and the upper cutter 412 are staggered and sheared, the second driver 413 is arranged on the frame 200, the second driver 413 is in driving connection with the upper mounting block 411, an upper mounting reference surface 411a is arranged on the upper mounting block 411, the upper cutter 411a coincides with the cutting surface, the upper cutter 412 is arranged on the upper mounting block 411, and one side, close to the cutting surface, of the upper cutter 412 is flush with the upper mounting reference surface 411 a.

Specifically, the first driver 300 is connected with an external mounting plate, the supporting stand 100 is used for supporting and fixing the frame 200, the lower mounting block 414 is arranged at one end of the frame 200, which is close to the supporting stand 100, the cutting mechanism 400 is used for cutting the tab on the battery cell, the lower cutter 415 is detachably connected with the lower mounting block 414 in a screw and screw hole mode, the upper mounting reference surface 411a is used as the mounting reference surface of the upper cutter 412, the upper mounting block 411 is detachably connected with the upper cutter 412 in a screw and screw hole mode, and the upper cutter 412 and the lower cutter 415 are used for cutting the front end of the tab in a dislocation cutting mode. The first driver 300 is set as a motor, the second driver 413 is set as an air cylinder, the motor drives the supporting table 100, and the air cylinder drives the upper cutter 412 to punch the tab downwards, which is known to those skilled in the art and can be implemented, which is not described in detail in this embodiment.

It should be noted that, because the height of the battery core is fixed, the first driver 300 drives the supporting table 100 to move upwards, so as to drive the rack 200 to move upwards, so that the top of the lower cutter 415 supports the lower surface of the tab, and then the second driver 413 drives the upper cutter 412 to punch the tab on the lower cutter 415 downwards until the front end of the tab is cut off. In the case where abrasion occurs in the upper cutter 412 after a long period of use, the upper cutter 412 needs to be removed and the upper cutter 412 is polished. The existing upper mounting datum plane 411b is located at one side far away from the cutting plane, after the upper cutter 412 is polished, the staggered gap between the upper cutter 412 and the lower cutter 415 is changed, the mounting datum is required to be adjusted during mounting, the upper mounting datum plane 411a and the cutting plane in this embodiment are overlapped, the upper cutter 412 can be directly mounted on the upper mounting block 411 by aligning the upper mounting datum plane 411a, thus, the adjustment of the mounting datum is effectively avoided, the mounting of the upper cutter 412 is faster and more convenient, and the change of the cutting gap between the upper cutter 412 and the lower cutter 415 after the upper cutter 412 is polished is effectively avoided, so that the cutting effect is effectively ensured.

To facilitate the installation of the upper cutter 412 and the lower cutter 415, in one embodiment, as shown in fig. 4 and 5, a lower installation reference surface 414a is disposed on the lower installation block 414, and an included angle between the lower installation reference surface 414a and the upper installation reference surface 411a is a flat angle, and a side of the lower cutter 415 close to the cutting surface is flush with the lower installation reference surface 414 a. Specifically, the lower mounting reference surface 414a is aligned when the lower cutter 415 is mounted, the lower mounting block 414 is detachably connected with the lower cutter 415 through a screw and a screw hole, and an included angle formed by the lower mounting reference surface 414a and the upper mounting reference surface 411a is a flat angle, so that the cutting gap between the lower cutter 415 and the upper cutter 412 after grinding is fixed, and the shearing effect is effectively ensured.

In order to facilitate cutting the tab, in this embodiment, as shown in fig. 1, 2 and 6, the cutting mechanism 400 further includes a tab pressing assembly 420, where the tab pressing assembly 420 includes a tab pressing block 421 for pressing the upper surface of the tab and a third driver 422 for driving the tab pressing block 421 to press the tab, the third driver 422 is disposed on the frame 200, the third driver 422 is in driving connection with the tab pressing block 421, the tab pressing block 421 is disposed on a side of the upper cutter 412 close to the lower cutter 415, and the tab pressing block 421 is disposed opposite to the lower cutter 415.

Specifically, the third driver 422 is disposed at the top of the frame 200, and the tab pressing block 421 is disposed at the front end of the upper cutter 412 and is disposed opposite to the lower cutter 415, and the cross-sectional shape of the tab pressing block 421 is square. The tab is supported on the lower cutter 415 by the tab pressing block 421 driven by the third driver 422, and at this time, the tab pressing block 421 plays a role in fixing the tab on the lower cutter 415, so that the tab is convenient to be punched by the upper cutter 412, and the shearing effect of the cutter assembly 410 is better. The third driver 422 is configured as an air cylinder, and the air cylinder drives the tab pressing block 421 to press the tab, which is known and can be implemented by those skilled in the art, and is not described in detail in this embodiment.

In order to make the pressing down of the tab pressing block 421 smoother, in this embodiment, as shown in fig. 1 and 2, the tab pressing assembly 420 further includes a connecting plate 423 and two transmission rods 424, the upper mounting block 411 is provided with two through holes, the third driver 422 is in driving connection with the first surface of the connecting plate 423, the first end of each transmission rod 424 is connected with the second surface of the connecting plate 423, and the second end of each transmission rod 424 movably passes through one through hole to be connected with the tab pressing block 421. Specifically, the two transmission rods 424 are parallel to each other and spaced apart from each other, and each transmission rod 424 has a shape matching with a shape of a through hole. Through the limiting action of the side wall of each through hole on a transmission rod 424, the movement track of the third driver 422 when driving the lug pressing block 421 is fixed, so that the lug pressing block 421 is effectively prevented from shifting when moving, and the practicability of the lug cutting machine 10 is improved.

In order to prolong the service life of the connection plate 423, in this embodiment, as shown in fig. 1 and 2, the tab pressing assembly 420 further includes linear bearings 425 respectively installed in the through holes, and the transmission rod 424 movably penetrates through the linear bearings 425. Specifically, the shape of each linear bearing 425 is adapted to the shape of a through hole, and by providing the linear bearings 425, when the third driver 422 drives the connecting plate 423 to slide downward, the movement of the connecting plate 423 can be smoother and smoother by the guiding action of the linear bearings 425 on the connecting plate 423.

In order to control the movement track of the upper cutter 412, in this embodiment, as shown in fig. 1 to 4, the cutter assembly 410 further includes a plurality of guide shafts 416, and each of the upper mounting blocks 411 is provided with a plurality of sliding holes, one end of each of the guide shafts 416 is connected to the frame 200, and the other end of each of the guide shafts 416 is connected to the lower mounting block 414 through each of the sliding holes. Specifically, the shape of each sliding hole is adapted to the shape of each guiding shaft 416, and the upper mounting block 411 is slidably disposed on each guiding shaft 416 under the driving of the second driver 413, at this time, each guiding shaft 416 plays a limiting role on the upper mounting block 411, so that the movement track of the upper cutter 412 is fixed, and further deviation of cutting is effectively avoided.

In order to facilitate the collection of the waste, in this embodiment, the frame 200 is provided with a waste port for collecting the waste after cutting, and the upper cutter 412 is located above the waste port. Specifically, a waste port is formed in a side of the frame 200, which is close to the lower cutter 415, and when the front ends of the tabs are cut by the upper cutter 412 and the lower cutter in a staggered manner, the front ends of the tabs fall into the waste port, so that waste is conveniently collected.

In order to facilitate the collection of the waste, in this embodiment, as shown in fig. 1 and 2, the cutting mechanism 400 further includes a waste collection assembly 430, the waste collection assembly 430 includes a waste bin 431, a negative pressure transmitter 432 for generating negative pressure to collect the waste, and a waste collection box 433 for containing the waste, the support table 100 is provided with an opening 110, one end of the waste bin 431 passes through the opening 110 to communicate with the waste port, the other end of the waste bin 431 communicates with one end of the waste collection box 433, and the negative pressure transmitter 432 is connected with the other end of the waste collection box 433. Specifically, the waste bin 431 is provided in a shape of being wide at the upper side and narrow at the lower side, and negative pressure is generated at the other end of the waste collection tank 433 by the negative pressure transmitter 432, so that the waste bin 431 generates negative pressure to thereby adsorb waste on the waste port, and thus, the waste can be adsorbed into the waste collection tank 433, thereby completing the collection of the waste.

Further, the waste collection assembly 430 also includes a waste fill sensor disposed within the waste collection bin 433. Specifically, the waste material full material inductor is used for sensing whether the waste material in the waste material collecting box 433 is full, and through being provided with the waste material full material inductor, the operator can be reminded to timely handle the waste material in the waste material collecting box 433, so that the waste material collecting box 433 with full material is prevented from interfering with the next waste material collecting.

Example 2

This embodiment is a further implementation manner of embodiment 1, in this embodiment: an anti-sticking layer is provided on the inner side surface of the waste bin 431. Specifically, the material of anti-sticking layer is anti-sticking coating, when collecting the waste material, through the antiseized effect of anti-sticking layer, effectively avoid the waste material to detain in waste bin 431, like this, effectively improved the practicality of utmost point ear guillootine 10.

Example 3

As shown in fig. 1 and 7, this embodiment is a tab cutting module 20, including a fixture for carrying N electrical cores and two tab cutting machines 10 described in embodiment 1, each tab cutting machine 10 includes N cutting mechanisms 400 arranged on the frame 200 in parallel, N is greater than or equal to 1, two tab cutting machines 10 are arranged opposite to each other, and the two tab cutting machines 10 form a cutting channel for cutting positive tabs and negative tabs of N electrical cores, and the fixture is located in the cutting channel. Specifically, through two tab cutting machines 10 that just set up, can satisfy the cutting to the anodal tab of electric core and negative pole tab simultaneously, effectively improved tab cutting machine 10's practicality.

When n=1, the fixture bears a battery cell, the frame 200 of each tab cutting machine 10 is provided with a cutting mechanism 400, and the two tab cutting machines 10 are arranged opposite to each other, so that the two cutting mechanisms 400 are arranged opposite to each other, after the fixture is conveyed into a cutting channel, the two cutting mechanisms 400 can be used for simultaneously cutting the positive tab and the negative tab of the battery cell, and thus, the two ends of the battery cell can be conveniently cut simultaneously.

When n=2, the fixture carries two parallel electric cores, two cutting mechanisms 400 are arranged on the frame 200 of each tab cutter 10, so that each tab cutter 10 can meet the requirements of cutting tabs at the same end of the two electric cores, the two opposite tab cutters 10 can meet the requirements of cutting positive and negative electrode tabs of the two electric cores at the same time, when the fixture is conveyed to a cutting channel through an external conveying device, the positive electrodes of the two electric cores are respectively located on the two cutting mechanisms 400 of the first tab cutter 10, and the negative electrodes of the two electric cores are respectively located on the two cutting mechanisms 400 of the second tab cutter 10, so that the positive electrodes and the negative electrodes of the two electric cores can be cut at the same time, and convenience is brought.

When n=3, three parallel battery cells are carried on the fixture, and three cutting mechanisms 400 are arranged on the frame 200 of each tab cutting machine 10, so that each tab cutting machine 10 can meet the requirements of cutting tabs at the same end of the three battery cells, and two tab cutting machines 10 which are opposite to the two battery cells can meet the requirements of cutting positive electrode tabs and negative electrode tabs of the three battery cells at the same time, thereby effectively improving the cutting efficiency of the battery cells and being more convenient.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A tab cutting machine, comprising: the device comprises a supporting table (100), a first driver (300) for driving the supporting table (100) to move upwards, a frame (200) and a cutting mechanism (400) for cutting off the tab;

the output end of the first driver (300) is connected with the supporting table (100), the stand (200) is arranged on the supporting table (100), and the cutting mechanism (400) is arranged on the stand (200);

the utility model provides a cutting mechanism (400) includes cutter unit spare (410) and second driver (413), cutter unit spare (410) include down installation piece (414), lower cutter (415), go up installation piece (411) and be in last cutter (412) that second driver (413) drive down cutter (415) direction moved down, install piece (414) down and set up on frame (200), lower cutter (415) with install piece (414) down and be connected, just lower cutter (415) with go up cutter (412) parallel to each other and dislocation set up, lower cutter (415) with form the cutting face when last cutter (412) dislocation cuts, second driver (413) set up on frame (200), second driver (413) with go up installation piece (411) drive connection, be provided with on installation piece (411) and install reference surface (411 a), on install reference surface (411 a) with cut and overlap, on the installation piece (412) and cut face (412) are close to on the cutting face (411).

2. The tab cutting machine according to claim 1, wherein a lower mounting reference surface (414 a) is provided on the lower mounting block (414), and an included angle between the lower mounting reference surface (414 a) and the upper mounting reference surface (411 a) is a flat angle, and a side of the lower cutter (415) close to the cutting surface is flush with the lower mounting reference surface (414 a).

3. The tab cutting machine according to claim 1, wherein the cutting mechanism (400) further comprises a tab pressing assembly (420), the tab pressing assembly (420) comprises a tab pressing block (421) for pressing an upper surface of a tab and a third driver (422) for driving the tab pressing block (421) to press the tab, the third driver (422) is arranged on the frame (200), the third driver (422) is in driving connection with the tab pressing block (421), the tab pressing block (421) is arranged on one side of the upper cutter (412) close to the lower cutter (415), and the tab pressing block (421) is arranged opposite to the lower cutter (415).

4. A tab cutting machine according to claim 3, wherein the tab depressing assembly (420) further comprises a connecting plate (423) and two transmission rods (424), the upper mounting block (411) is provided with two through holes, the third driver (422) is in driving connection with the first face of the connecting plate (423), the first end of each transmission rod (424) is connected with the second face of the connecting plate (423), and the second end of each transmission rod (424) movably penetrates through one through hole to be connected with the tab pressing block (421).

5. The tab cutting machine of claim 4, wherein the tab hold-down assembly (420) further comprises linear bearings (425) mounted in the through holes, respectively, the drive rod movably disposed through the linear bearings (425).

6. The tab cutting machine according to claim 1, wherein the cutter assembly (410) further comprises a plurality of guide shafts (416), a plurality of sliding holes are formed in each of the upper mounting blocks (411), one end of each of the guide shafts (416) is connected to the frame (200), and the other end of each of the guide shafts (416) is connected to the lower mounting block (414) through each of the sliding holes.

7. A tab cutting machine according to claim 3, wherein the frame (200) is provided with a waste port for collecting cut waste, and the upper cutter (412) is located above the waste port.

8. The tab cutting machine according to claim 7, wherein the cutting mechanism (400) further comprises a waste collection assembly (430), the waste collection assembly (430) comprises a waste bin (431), a negative pressure transmitter (432) for generating negative pressure to collect waste and a waste collection box (433) for containing waste, the support table (100) is provided with an opening (110), one end of the waste bin (431) is communicated with the waste port through the opening (110), the other end of the waste bin (431) is communicated with one end of the waste collection box (433), and the negative pressure transmitter (432) is connected with the other end of the waste collection box (433).

9. The tab cutting machine of claim 8, wherein the scrap collection assembly (430) further comprises a scrap full sensor disposed within the scrap collection bin (433).

10. The utility model provides a utmost point ear cuts module, its characterized in that, including the anchor clamps that are used for bearing N electric core and two utmost point ear cutting machine (10) of claim 9, every utmost point ear cutting machine (10) are including N juxtaposing sets up cutting mechanism (400) on frame (200), N is greater than or equal to 1, two utmost point ear cutting machine (10) are just setting up, and two utmost point ear cutting machine (10) form the passageway of tailorring that is used for shearing anodal utmost point ear and negative pole utmost point ear of N electric core, the anchor clamps are located tailorring the passageway.