CN219881040U - Lug arc cutting device of lithium battery pelleter - Google Patents

Abstract

The utility model discloses a tab arc cutting device of a lithium battery pelleter, which comprises a lower cutter base, wherein one side of the lower cutter base is fixedly provided with a guide post, and the other side of the lower cutter base is fixedly provided with a lower cutter die and a cutter leaning block which is arranged in parallel with the lower cutter die; a long hole extending along the width direction of the lower cutter die is formed in the cutter leaning block, and a bolt penetrates through the long hole to fix the cutter leaning block on the lower cutter base; the inner sides of the lower cutting die and the leaning cutter block are both raised with arc-shaped cutting blocks; the middle part of the guide post is connected with an upper cutter base in a sliding way, and the top of the guide post is fixed with a telescopic device; the telescopic device is connected with the upper cutter base; the bottom of the upper cutter base is detachably and fixedly connected with an upper cutter die through a screw, and is slidably connected with a pressing block guide rod, and the bottom of the pressing block guide rod is connected with a lug pressing block. The structure with adjustable width is formed by the lower cutting die, the leaning cutting block and the lower die with long hole wetting, so that the conditions of clamping, sticking and the like are not easy to cause, the width of the pole piece can be adjusted, and the adaptability is wider.

Description

Lug arc cutting device of lithium battery pelleter

Technical Field

The utility model relates to lithium ion power battery production equipment, in particular to a tab arc cutting device of a lithium battery pelleter.

Background

The tab arc cutting device of the lithium battery pelleter is an optional procedure in the pelleter, is added according to the technological requirements of clients, and mainly cuts off the round corners after the tabs are cut off. The lug arc cutting device of the sheet making machine in the market at present is an integral lower cutter (see fig. 3), and comprises an integral lower cutter die 15, an inner hole is formed in the integral lower cutter die 15, and a waist-shaped upper cutter die 16 is used for punching the lug through inserting the inner hole to form an arc lug 17. The structure has obvious defects of difficult processing, troublesome replacement and incapability of adjusting shearing length, and the inner hole of the lower cutter is slightly expanded due to friction heating and other reasons when the cutter is punched at a high speed, so that the upper cutter and the lower cutter are easy to overheat, and the problems of clamping, difficult punching, accumulation, cutter sticking and the like are caused. Compared with the new separated structure, the precision is poor, the practicability is low, and the like. And brings hidden trouble to operation safety, difficult operation and the like, so improvement is required.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a tab arc cutting device of a lithium battery pelleter.

The aim of the utility model is achieved by the following technical scheme:

the utility model provides a lithium battery pelleter tab cut arc device, includes lower cutter base, and lower cutter base one side is fixed with the guide pillar, and the opposite side is fixed with lower cutting die and lean on the sword piece with lower cutting die parallel arrangement; a long hole extending along the width direction of the lower cutter die is formed in the cutter leaning block, and a bolt penetrates through the long hole to fix the cutter leaning block on the lower cutter base; the inner sides of the lower cutting die and the leaning cutter block are both raised with arc-shaped cutting blocks; the middle part of the guide post is connected with an upper cutter base in a sliding way, and the top of the guide post is fixed with a telescopic device; the telescopic device is connected with the upper cutter base; the bottom of the upper cutter base is detachably and fixedly connected with an upper cutter die through a screw, and is slidably connected with a pressing block guide rod, the bottom of the pressing block guide rod is connected with a lug pressing block, and the lug pressing block is connected with the upper cutter base through an elastic structure.

Further improved, the elastic structure is a spring, and the spring is sleeved on the pressing block guide rod.

Further improved, the telescopic device is a cutter cylinder.

Further improved, the upper cutter base is connected with the pressing block guide rod through a linear bearing.

Further improved, the lower cutter base is also fixedly provided with a material guide plate, and the material guide plate is positioned at one side of the lower cutter die.

Further improved, the outer end of the guide plate is wedge-shaped.

The utility model has the following advantages:

1. the structure with adjustable width is formed by the lower cutting die, the leaning cutting block and the lower die with long hole wetting, which not only is not easy to cause the conditions of clamping and sticking the cutting tool, but also can be adjusted according to the width of the pole piece, and has wider adaptability.

2. The lug pressing block and the spring are arranged, and the lug can be pressed before stamping, so that the stability of the lug pressing block during stamping is ensured, and the stamping quality is improved.

Drawings

The utility model is further illustrated by the accompanying drawings, the content of which does not constitute any limitation of the utility model.

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic diagram of a three-dimensional structure of the lower and upper dies of the utility model;

fig. 3 is a schematic structural diagram of the cooperation of the prior integral lower cutting die and the kidney-shaped upper cutting die.

The lower cutter base 01, the upper cutter base 02, the cylinder fixing plate 03, the lower cutter die 04, the upper cutter die 05, the cutter leaning block 06, the lug pressing block 07, the spring 08, the material guiding plate 09, the guide post 10, the pressing block guide rod 11, the linear bearing 12, the cutter cylinder 13, the long hole 14, the whole lower cutter die 15, the waist-shaped upper cutter die 16 and the arc lug 17.

Detailed Description

The utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the utility model more apparent.

Example 1

The utility model provides a lithium cell pelleter utmost point ear cut arc device, includes lower cutter base 01, goes up cutter base 02, cylinder fixed plate 03, lower cutting die 04, go up cutting die 05, lean on sword piece 06, utmost point ear briquetting 07, spring 08, stock guide 09, guide pillar 10, briquetting guide arm 11, linear bearing 12, cutter cylinder 13 and slot hole 14.

Wherein the guide post 10 is fixed on one side of the lower cutter base 01, and the lower cutter die 04 is fixed on the other side of the lower cutter base 01. A cutter leaning block 06 is arranged corresponding to the lower cutter mould 04, a long hole 14 is formed on the cutter leaning block 06, and a bolt passes through the long hole 14 to fix the cutter leaning block 06 on the lower cutter base 01. The long hole 14 enables the leaning cutter block 06 to move along the width direction, so that the distance between the leaning cutter block 06 and the lower cutter mould 04 is adjusted, the bottom of the upper cutter base 02 is detachably and fixedly connected with the upper cutter mould 05 through a screw, and the corresponding upper cutter mould 05 is replaced after the distance between the lower cutter mould 04 and the leaning cutter block 06 is adjusted. The inner sides of the lower cutting die 04 and the leaning cutter block 06 are both raised with arc-shaped cutting blocks so as to form an arc-shaped structure when the pole piece is punched. The middle part of the guide post 10 is connected with an upper cutter base 02 in a sliding way, and the top of the guide post is fixed with a cutter cylinder 13; the cutter cylinder 13 is connected with the upper cutter base 02; the bottom of the upper cutter base 02 is fixedly connected with an upper cutter die 05, and is in sliding connection with a pressing block guide rod 11, the bottom of the pressing block guide rod 11 is connected with a lug pressing block 07, and the lug pressing block 07 is connected with the upper cutter base 02 through a spring 08. Thus, when the upper cutter base 02 is pressed down, the spring is compressed first, the spring is pressed down, the lug pressing block 07 presses the lug, and then the upper cutter die 05, the lower cutter die 04 and the leaning cutter block 06 are matched to punch the lug pressing block 07 into an arc shape. Wherein the upper cutter base 02 is connected with the pressing block guide rod 11 through the linear bearing 12. The lower cutter base 01 is also fixedly provided with a guide plate 09, and the guide plate 09 is positioned at one side of the lower cutter mould 04. The outer end of the guide plate 09 is wedge-shaped.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (6)

1. The lug arc cutting device of the lithium battery pelleter is characterized by comprising a lower cutter base (01), wherein one side of the lower cutter base (01) is fixedly provided with a guide pillar (10), and the other side of the lower cutter base is fixedly provided with a lower cutter die (04) and a cutter leaning block (06) which is arranged in parallel with the lower cutter die (04); a long hole (14) extending along the width direction of the lower cutter die (04) is formed in the cutter leaning block (06), and a bolt penetrates through the long hole (14) to fix the cutter leaning block (06) on the lower cutter base (01); arc-shaped cutting blocks are protruded on the inner sides of the lower cutting die (04) and the leaning cutting block (06); the middle part of the guide post (10) is connected with an upper cutter base (02) in a sliding way, and the top of the guide post is fixed with a telescopic device; the telescopic device is connected with the upper cutter base (02); the bottom of the upper cutter base (02) is detachably and fixedly connected with an upper cutter die (05) through a screw, a pressing block guide rod (11) is slidably connected, a lug pressing block (07) is connected to the bottom of the pressing block guide rod (11), and the lug pressing block (07) is connected with the upper cutter base (02) through an elastic structure.

2. The tab arc cutting device of the lithium battery pelleter of claim 1, wherein the elastic structure is a spring (08), and the spring (08) is sleeved on the pressing block guide rod (11).

3. The tab cut arc device of a lithium battery pelleter of claim 1 wherein the telescoping device is a cutter cylinder (13).

4. The lug arc cutting device of the lithium battery pelleter is characterized in that the upper cutter base (02) is connected with the pressing block guide rod (11) through a linear bearing (12).

5. The tab cut arc device of the lithium battery pelleter of claim 1, wherein the lower cutter base (01) is further fixed with a material guiding plate (09), and the material guiding plate (09) is positioned at one side of the lower cutter die (04).

6. The tab cut arc device of the lithium battery pelleter of claim 5 wherein the outer end of the guide plate (09) is wedge-shaped.