CN221289704U - Tab cutting mechanism - Google Patents

Abstract

The utility model relates to a tab cutting mechanism which comprises an upper cutting assembly and a lower cutting assembly which are oppositely arranged, wherein the upper cutting assembly comprises a fixed block, an upper cutter, a fixed shaft and an elastic piece, the fixed shaft penetrates through the upper cutter and is connected with the fixed block, the elastic piece is sleeved on the fixed shaft, the upper cutter can slide along the axial direction of the fixed shaft relative to the fixed block, and the elastic piece can apply elastic force to the upper cutter so as to enable the upper cutter to keep the trend of propping against the fixed block. When the pole lug is cut, the upper cutter can avoid the position through micro-motion, so that the problem of poor fit of the jumping cutter is avoided while the tight fit of the upper cutter and the lower cutter is ensured.

Description

Tab cutting mechanism

Technical Field

The utility model relates to the field of battery processing equipment, in particular to a tab cutting mechanism.

Background

In the single-cell processing technology of the soft-package battery, the tab needs to be cut, the positive tab and the negative tab of the battery cannot be conducted in the cutting process, otherwise, the battery package is short-circuited, even the package is fried, and therefore, the cutter for cutting the tab has the requirement of insulativity.

At present, ceramic is generally adopted in the market as a cutter for cutting the lug, and ceramic material is brittle, so that in order to ensure the cutting quality, strict requirements are provided for closing gaps of an upper cutting die and a lower cutting die, the upper cutting die and the lower cutting die of the existing cutting mechanism are tightly meshed in the cutting process, the upper cutting die and the lower cutting die of the existing cutting mechanism are fixedly arranged, the cutter is easy to loose along with the repeated movement of the mechanism, the cutting edge of the ceramic cutter is easy to jump, and the service life of the ceramic cutter is greatly shortened.

Disclosure of utility model

The utility model aims to provide a tab cutting mechanism, which can avoid the position of a cutter through micro-motion when cutting tabs, and can avoid the problem of poor fit of a trampoline cutter while ensuring the close fit of an upper cutter and a lower cutter.

The utility model provides a utmost point ear cutting mechanism, includes the relative last cutting assembly that sets up and lower cutting assembly, go up cutting assembly and include the fixed block, go up cutter, fixed axle and elastic component, go up the cutter and include the cutter body, the fixed axle pass the cutter body and with the fixed block is connected, the elastic component cover is located the fixed axle, go up the cutter can for the fixed block is followed the axial slip of fixed axle, the elastic component can be right the cutter body is exerted elasticity so that it keeps leaning on the trend of fixed block to go up the cutter.

In the above technical scheme, install the cutter in the fixed block through the fixed axle for going up the axial slip that the cutter can follow the fixed axle, the elastic component can support with the cutter body, makes and goes up the cutter and support to the fixed block and lean on, and when cutting, the elasticity of elastic component can guarantee to go up cutter and lower cutter close fit, and the axial fine motion of fixed axle can be followed to the cutter of going up simultaneously, thereby keeps away the position, has avoided going up cutter hard contact from top to bottom, and then solves the cutter problem that collapses, effectively reduces cutter wearing and tearing, prolongs the life of cutter.

Further, the cutter body is provided with a plurality of through hole groups, and the plurality of through hole groups are arranged along the height direction of the cutter body.

In the technical scheme, the fixing shaft can select one or more through hole groups to be connected with the fixing block, the use is flexible and convenient, the through hole groups are arranged along the height direction of the cutter body, and the relative height of the upper cutter and the fixing block can be adjusted by selecting different through hole groups, so that the cutting positions of the upper cutter and the lower cutter are adjusted.

Further, the fixing block is provided with at least one fixing hole set, and the fixing hole set can be opposite to the through hole set.

In the technical scheme, a user can flexibly select different fixed hole groups to be matched with the through hole groups, so that the relative height between the upper cutter and the fixed block is adjusted.

Further, two ends of the cutter body are provided with blade parts, and each blade part comprises two blades.

In the above technical scheme, both ends of the cutter body are blade parts, and each blade part comprises two blades, so that the upper cutter is provided with four blades, and other blades can be replaced and used after one of the blades reaches the service life, thereby effectively prolonging the service life of the prop and reducing the production cost.

Furthermore, guide bosses are arranged at two ends of the blade part, and inclined guide surfaces are symmetrically arranged at two sides of the guide bosses.

In the technical scheme, the guide surface is obliquely arranged, so that the upper cutter can be guided in the moment that the upper cutter is contacted with the lower cutter, and the upper cutter is forced to axially slightly move along the fixed shaft, so that the situation that the upper cutter and the lower cutter are in hard contact is avoided, and the service life of the cutter is prolonged while the cutting effect is ensured.

Further, the included angle between the guide surface and the horizontal direction is 70 degrees.

In the technical scheme, when the included angle between the guide surface and the horizontal direction is 70 degrees, the guide surface has a good cutting guide effect.

Further, the extending direction of the blade part forms an included angle with the horizontal direction.

In the technical scheme, the extending direction of the blade part is obliquely arranged, so that the contact area between the blade and the tab can be reduced, and the cutting effect is improved.

Further, the included angle between the blade part and the horizontal direction is 3 degrees.

In the technical scheme, when the included angle between the blade part and the horizontal direction is 3 degrees, the cutter has good cutting effect and can prolong the service life of the cutter.

Further, the two blade parts are arranged in a rotationally symmetrical manner.

In the technical scheme, the two blade parts are rotationally symmetrically arranged, so that the blade for cutting can be conveniently replaced.

Further, the fixed block is provided with a mounting groove, and the upper cutter is embedded in the mounting groove.

In the technical scheme, the mounting groove can limit the upper cutter from two sides, so that the stability of the upper cutter is ensured, and the cutting accuracy is improved.

Compared with the prior art, the utility model has the beneficial effects that: install in the fixed block with last cutter through the fixed axle for go up the axial slip of fixed axle can be followed to the cutter, and the elastic component can offset with last cutter, makes to go up the cutter keep with the fixed block support and lean on, and when cutting, the elasticity of elastic component can guarantee to go up cutter and lower cutter close fit, and the axial fine motion of fixed axle can be followed to last cutter simultaneously, thereby keeps away the position, has avoided upper and lower cutter hard contact, and then solves the cutter problem that collapses, effectively reduces cutter wearing and tearing, extension cutter's life.

Drawings

Fig. 1 is a schematic structural diagram of a tab cutting mechanism according to an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of an upper cutting assembly according to an embodiment of the utility model.

Fig. 3 is an exploded view of an upper cutting assembly according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of an upper cutter according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a guide surface according to an embodiment of the present utility model.

Reference numerals illustrate:

The upper cutting assembly 1, the fixing block 11, the fixing hole set 111, the mounting groove 112, the upper cutter 12, the cutter body 121, the through hole set 122, the blade 123, the blade 1231, the guide boss 124, the guide surface 1241, the fixing shaft 13, the elastic member 14, the lower cutting assembly 2, the cutter seat 21, and the lower cutter 22.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1 to 3, in a preferred embodiment, the tab cutting mechanism of the present utility model mainly includes an upper cutting assembly 1 and a lower cutting assembly 2, the upper cutting assembly 1 and the lower cutting assembly 2 are disposed opposite to each other, and the upper cutting assembly 1 and/or the lower cutting assembly 2 can be driven by an external driving mechanism to approach or separate from each other, so as to cut the battery tab.

The lower cutting assembly 2 includes a cutter holder 21 and a lower cutter 22, and the lower cutter 22 is fixedly disposed on the cutter holder 21. The upper cutting assembly 1 includes a fixed block 11, an upper cutter 12, a fixed shaft 13, and an elastic member 14. The upper cutter 12 comprises a cutter body 121, the fixed shaft 13 passes through the cutter body 121 and is connected with the fixed block 11, the elastic piece 14 is sleeved on the fixed shaft 13, the upper cutter 12 can slide along the axial direction of the fixed shaft 13 relative to the fixed block 11, and the elastic piece 14 can apply elastic force to the cutter body 121 so as to keep the upper cutter 12 against the trend of the fixed block 11.

For example, the upper cutter 12 is opposite to the lower cutter 22, the cutter body 121 is flat, one side surface of the cutter body 121 may abut against the fixed block 11, the fixed shaft 13 may be a bolt passing through the cutter body 121 and in threaded connection with the fixed block 11, and the elastic member 14 may be a spring sleeved on the outer circumference of the fixed shaft 13 and abutting against the surface of the cutter body 121 on the side far away from the fixed block 11, so that the upper cutter 12 may maintain a tendency of abutting against the fixed block 11 by elastic force.

Install cutter 12 in fixed block 11 through fixed axle 13 for upward cutter 12 can follow the axial slip of fixed axle 13, and elastic component 14 can offset with last cutter 12, makes upward cutter 12 to fixed block 11 support, and when cutting, the elasticity of elastic component 14 can guarantee to go up cutter 12 and lower cutter 22 close fit, and upward cutter 12 can follow the axial fine motion of fixed axle 13 simultaneously to keep away the position, avoided upper and lower cutter 22 hard contact, and then solved the cutter problem that collapses, effectively reduce cutter wearing and tearing, extension cutter's life.

Referring to fig. 4, the cutter body 121 is provided with a plurality of through hole groups 122, and the plurality of through hole groups 122 are arranged along the height direction of the cutter body 121. Specifically, each through hole group 122 includes two through holes that set up relatively, and two through holes are flush in the direction of height, and in this embodiment, through hole group 122 is four, and eight total through holes, and fixed axle 13 can select one or more of them to be connected with fixed block 11, uses nimble convenience, and a plurality of through hole groups 122 arrange along the direction of height of last cutter 12, through selecting different through hole groups 122, can adjust the relative height of cutter 12 and fixed block 11 to adjust the cutting position of cutter 22 about.

Referring to fig. 2 and 3, the fixing block 11 is provided with at least one fixing hole set 111, and each fixing hole set 111 may correspond to one of the through hole sets 122. Specifically, the fixing hole set 111 includes two fixing holes that set up relatively, and the distance between two fixing holes matches with the distance between two through holes of the through hole set 122, in this embodiment, the fixing hole set 111 is three, and three fixing hole sets 111 are arranged along the direction of height of the fixed block 11, and the user can flexibly select different fixing holes to cooperate with the through holes, thereby realizing the adjustment of the relative height between the upper cutter 12 and the fixed block 11.

It will be appreciated that the fixing hole may be a threaded hole, and the fixing shaft 13 may pass through the cutter body 121 and be screwed with the fixing hole, thereby fixing the cutter body 121. The fixed axle 13 can be a plurality of, and elastic component 14 and fixed axle 13 one-to-one set up, and a plurality of fixed axles 13 can guarantee that last cutter 12 is connected more firmly with fixed block 11, make simultaneously more stable when going up cutter 12 and remove.

Referring to fig. 4, two ends of the cutter body 121 are provided with cutting edges 123, and each cutting edge 123 includes two cutting edges 1231. For example, the two ends of the upper cutter 12 in the height direction are the blade portions 123, and the two sides of each blade portion 123 in the width direction are formed into the blades 1231, so that the upper cutter 12 has four blades 1231, and after one of the blades 1231 reaches the service life, the other blades 1231 can be replaced, thereby effectively prolonging the service life of the prop and reducing the cost required for production.

In this embodiment, the extending direction of the blade 123 has an included angle with the horizontal direction, and the extending direction of the blade 123 is inclined, so that the contact area between the blade 1231 and the tab can be reduced, thereby improving the cutting effect. The angle between the blade 123 and the horizontal direction is preferably 3 °, and when the angle between the blade 123 and the horizontal direction is 3 °, the cutting effect is good, and the service life of the cutter can be prolonged.

Referring to fig. 5, guide bosses 124 are disposed at two ends of the blade 123, and guide surfaces 1241 are symmetrically disposed on two sides of the guide bosses 124, wherein the guide surfaces 1241 are obliquely disposed. Specifically, the guide boss 124 is disposed at two ends of the length direction of the blade 123, the guide surface 1241 is disposed at two sides of the width direction of the guide boss 124, and the guide surface 1241 is obliquely disposed, so that the upper cutter 12 can be guided at the moment that the upper cutter 12 contacts with the lower cutter 22, and the upper cutter 12 is forced to slightly move along the axial direction of the fixed shaft 13, so that the avoidance is performed, the hard contact of the upper cutter 22 and the lower cutter 22 is avoided, and the service life of the cutter is prolonged while the cutting effect is ensured.

In this embodiment, the angle between the guiding surface 1241 and the horizontal direction is preferably 70 °, and when the angle between the guiding surface 1241 and the horizontal direction is 70 °, the guiding surface 1241 has a good cutting guiding effect.

The two blade portions 123 are rotationally symmetrical, so that when the blade 1231 is replaced, only the blade body 121 needs to be rotated or turned over, thereby facilitating maintenance and replacement of the blade 1231.

In this embodiment, the fixing block 11 is provided with a mounting groove 112, and the upper cutter 12 is embedded in the mounting groove 112. The mounting groove 112 can limit the upper cutter 12 from two sides, so that the stability of the upper cutter 12 is ensured, and the cutting accuracy is improved.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a utmost point ear cutting mechanism, includes the last cutting assembly and the lower cutting assembly of relative setting, its characterized in that, go up cutting assembly and include fixed block, go up cutter, fixed axle and elastic component, go up the cutter and include the cutter body, the fixed axle pass the cutter body and with the fixed block is connected, the elastic component cover is located the fixed axle, go up the cutter can for the fixed block is followed the axial slip of fixed axle, the elastic component can be right the cutter body is exerted elasticity so that go up the cutter keeps leaning on the trend of fixed block.

2. The tab cutting mechanism of claim 1, wherein the blade body is provided with a plurality of through-hole groups, the plurality of through-hole groups being arranged in a height direction of the blade body.

3. The tab cutting mechanism of claim 2, wherein the fixed block is provided with at least one set of fixed holes, the set of fixed holes being opposable to the set of through holes.

4. The tab cutting mechanism of claim 1, wherein the blade body is provided with blade portions at both ends, each blade portion comprising two blades.

5. The tab cutting mechanism of claim 4, wherein guide bosses are provided at both ends of the blade, and inclined guide surfaces are symmetrically provided at both sides of the guide bosses.

6. The tab cutting mechanism of claim 5 wherein the guide surface is at an angle of 70 ° to the horizontal.

7. The tab cutting mechanism of claim 5, wherein the blade extends in a direction that is angled from horizontal.

8. The tab cutting mechanism of claim 7 wherein the blade is at an angle of 3 ° to the horizontal.

9. The tab cutting mechanism of claim 4 wherein the two blade portions are rotationally symmetrical.

10. The tab cutting mechanism of claim 1, wherein the fixed block is provided with a mounting groove, and the upper cutter is embedded in the mounting groove.