CN217775909U - Laser cutting anti-shake tool and pole piece laser cutting device - Google Patents

Abstract

The utility model relates to an electricity core processing equipment field, more specifically relates to a laser cutting anti-shake tool and a pole piece laser cutting device. An anti-shake jig for laser cutting comprises a jig base, a first upper compression roller and a first lower compression roller, wherein a guide pressing block is arranged between the first upper compression roller and the first lower compression roller, and the first upper compression roller and the first lower compression roller are arranged in parallel; the utility model provides a pole piece laser cutting device, includes that the pole piece crosses roller, dust absorption roller, laser generator, removal anti-shake tool and foretell laser cutting anti-shake tool. The utility model discloses an additionally set up a direction briquetting and effectively reduce utmost point ear cutting area's shake in the suspension region between first last compression roller and first lower compression roller, suspend regional stability when promoting utmost point ear cutting, effectively solve because of utmost point ear shake in the cutting process lead to the cut profile to be not conform to the difficult problem of required requirement.

Description

Laser cutting anti-shake tool and pole piece laser cutting device

Technical Field

The utility model relates to an electricity core processing equipment field, more specifically relates to a laser cutting anti-shake tool and a pole piece laser cutting device.

Background

The tab is an important component of the battery, and in the processing process of the battery core tab, the tab needs to be firstly subjected to laser cutting so as to form the shape of the required tab. When pole piece laser cutting, carry out the transport of pole piece through the roller of pay-off and dust absorption roller, in transportation process, cut in order to form utmost point ear to the position of waiting of pole piece with laser generator transmission laser, present technical means generally adopts the mode that sets up 2-3 compression rollers respectively about the pole piece in transportation process makes its tensioning, but owing to the passageway that needs laser to pass through, then need certain distance in interval between the compression roller from top to bottom, and just form the suspension region at this interval, and can produce energy when the regional laser cutting of suspension, can arouse the shake of pole piece, then and then can influence the position precision and the cutting effect of cutting. For example, the prior art discloses a pole piece laser cutting device, which is used for fixing, clamping and conveying pole pieces and comprises a pair of clamping roller sets and a pair of clamping belt sets, wherein the pair of clamping roller sets and the pair of clamping belt sets are distributed and mounted up and down; the cutting mechanism is arranged corresponding to the pole piece conveying channel between the paired clamping roller group and the paired clamping belt group and is used for cutting the pole piece by laser; and the dust removing mechanism is arranged corresponding to the pole piece conveying channel between the opposite pinch roll set and is used for cleaning dust or waste materials in the cutting process. The pole piece conveying device only tensions a conveyed pole piece in a mode of arranging the clamping rollers, and the interval between the upper and lower adjacent 2 clamping rollers is too large, so that shaking is easily caused, and the position accuracy and the cutting effect of cutting can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned background art only carry out the tensioning to the pole piece of carrying through the mode that sets up to pressing from both sides the roller, it exists about adjacent 2 press from both sides between the roller the interval too big, arouse the shake easily, and then can influence the position precision of cutting and the problem of cutting effect, provide a laser cutting anti-shake tool and a pole piece laser cutting device. The utility model discloses can reduce the shake of suspension region when laser cutting.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a laser cutting anti-shake tool, includes the tool base and locates the tool base is with the first last compression roller and the first compression roller down of one side, still be equipped with the direction briquetting that is used for the crimping pole piece between first last compression roller and the first compression roller down, first last compression roller and the mutual parallel arrangement of first compression roller down, just first last compression roller and the equal partial protrusion of first compression roller down in a side that corresponds on the tool base, the edge protrusion of direction briquetting in a side that the tool base corresponds.

Further, one side of tool base has the base open slot, the middle part of base open slot be equipped with be used for with the splash guard of first mounting groove and second mounting groove is separated into to the base open slot, the both ends of first last compression roller rotate connect in on the relative both sides wall of first mounting groove, the both ends of first compression roller rotate connect in on the relative both sides wall of second mounting groove, the direction briquetting is located in the first mounting groove.

Further, the direction briquetting includes connecting block and guide block, be equipped with the mounting panel on the tank bottom inner wall of first mounting groove, connecting block one end with mounting panel fixed connection, the other end of connecting block with the one end of guide block is connected perpendicularly and is formed L shape structure, the other end of guide block is equipped with the crimping face that is used for the crimping pole piece, the relative both sides of crimping face are equipped with the radius angle, the guide block is close to one side of first last compression roller be equipped with be used for preventing with the arc inner concave part that first last compression roller contact was interfered.

Further, the plane of the crimping surface is tangent to the edges of the first upper pressing roller and the first lower pressing roller respectively.

Further, the inside wall of first mounting groove is close to one side of splashproof baffle still is equipped with and is used for following the first piece of blowing of the axial of first last compression roller, second mounting groove inside wall is kept away from one side of splashproof baffle still is equipped with and is used for following the second piece of blowing of the axial of first compression roller.

Furthermore, the direction briquetting is located first last compression roller one end, first piece of blowing is located first mounting groove is kept away from on the one end inside wall of direction briquetting.

Preferably, the guide pressing block is made of stainless steel, ceramics, aluminum alloy, PEEK or other materials with high hardness and high temperature resistance.

Still provide a pole piece laser cutting device, cross roller, dust absorption roller, laser generator, removal anti-shake tool and foretell laser cutting anti-shake tool including the pole piece, the pole piece crosses and forms the transfer chain that supplies to wait to cut the pole piece and carry between roller and the dust absorption roller, remove anti-shake tool with laser cutting anti-shake tool crimping respectively is in the both sides of transfer chain, laser generator is located remove anti-shake tool dorsad one side of transfer chain, it supplies the laser passageway that the laser passed to be equipped with on the removal anti-shake tool, laser generator's output is just right the one end of laser passageway, the direction briquetting is just right the other end of laser passageway.

Furthermore, the movable anti-shaking jig comprises a movable base, and a second upper pressing roller and a second lower pressing roller which are arranged on the movable base, wherein the second upper pressing roller and the second lower pressing roller are oppositely arranged on two sides of the laser channel, and the second upper pressing roller and the second lower pressing roller are respectively tangent to the conveying line.

Further, the distance between the second upper pressing roller and the second lower pressing roller is larger than the distance between the first upper pressing roller and the first lower pressing roller.

Compared with the prior art, the beneficial effects are that:

the utility model additionally arranges a guide pressing block in the suspension area between the first upper pressing roller and the first lower pressing roller, when laser cutting is carried out, the shaking aggravation of the pole piece can be caused because the laser cutting generates instantaneous high energy, so that the cutting position deviation can be generated if the anti-shaking effect is not good; this direction briquetting is close to transfer chain one side and is the crimping face, the crimping face is a plane, make the crimping face the plane, the upper and lower side has the radius angle, prevent the scratch pole piece, the area of contact of crimping face and pole piece is bigger, the region that the crimping face pressfitting is exactly the region that corresponds needs laser cutting, anti-shake effect is more stable like this, on the crimping face cooperation through the guide block, the supplementary tensioning pole piece of lower compression roller, effectively reduce the regional shake of utmost point ear cutting, the regional stability of suspension when promoting utmost point ear cutting, effectively solve in cutting process because of utmost point ear shake lead to the profile of cutting to be not conform to the difficult problem of required requirement.

Drawings

FIG. 1 is a schematic structural view of example 1.

FIG. 2 is a schematic view of the structure of embodiment 1 on the pressure contact surface side.

FIG. 3 is a schematic view of the structure of a guide compact in example 1.

FIG. 4 is a schematic structural view of embodiment 2.

FIG. 5 is a schematic view of the levitation region in example 2.

Detailed Description

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

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1 and 2, the anti-shake jig for laser cutting comprises a jig base 11, a first upper pressing roller 12 and a first lower pressing roller 13 which are arranged on the same side of the jig base 11, a guide pressing block 14 for crimping a pole piece is further arranged between the first upper pressing roller 12 and the first lower pressing roller 13, the first upper pressing roller 12 and the first lower pressing roller 13 are arranged in parallel, part of the first upper pressing roller 12 and part of the first lower pressing roller 13 protrude out of a corresponding side surface of the jig base 11, and the edge of the guide pressing block 14 protrudes out of a corresponding side surface of the jig base 11. In the embodiment, when performing laser cutting, pole pieces to be cut can be pressed from one side, and the same as a common anti-shake jig is that the first upper pressing roller 12 and the first lower pressing roller 13 can play a basic anti-shake role for the pole pieces, but a section of suspension area exists when the pole pieces run between the first upper pressing roller 12 and the first lower pressing roller 13, and the current jig cannot solve the problem; therefore, the guide pressing block 14 is additionally arranged in the area, the stability of the suspension area during tab cutting is improved, and the problem that the cut outline is not in line with the required requirements due to tab shaking in the cutting process is effectively solved.

Specifically, the jig base 11 in this embodiment is a box-type structure, and has a base open slot on one side of the jig base 11, and the middle part of the base open slot is provided with the splash guard 10 for separating the base open slot into the first mounting groove 15 and the second mounting groove 16, and the two ends of the first upper compression roller 12 are rotatably connected to the two opposite side walls of the first mounting groove 15, and the two ends of the first lower compression roller 13 are rotatably connected to the two opposite side walls of the second mounting groove 16, and the guide pressing block 14 is disposed in the first mounting groove 15. The jig base 11 is connected with an external fixing device in actual use, and the external fixing device can adjust the specific position of the jig base to be matched with the pole piece conveying position; the open slot of 11 one sides of tool base is separated by splash guard 10 and is 2 mounting grooves from top to bottom, and splash guard 10's effect is on the compression roller that splashes when preventing utmost point ear cutting, and first compression roller 12 and first compression roller 13 all part protrusion in the notch terminal surface of this open slot outside on, when the crimping promptly, only first compression roller 12 and first compression roller 13 pressfitting earlier contact the pole piece on, and the pole piece can not contact tool base 11.

As shown in fig. 2 and 3, the guide pressing block 14 includes a connecting block 141 and a guide block 142, the mounting plate 19 is disposed on the inner wall of the bottom of the first mounting groove 15, one end of the connecting block 141 is fixedly connected to the mounting plate 19, the other end of the connecting block 141 is perpendicularly connected to one end of the guide block 142 to form an L-shaped structure, the other end of the guide block 142 is provided with a crimping surface 143 for crimping the pole piece, two opposite sides of the crimping surface 143 are provided with rounded corners, and one side of the guide block 142 close to the first upper pressing roller 12 is provided with an arc-shaped inner concave portion 144 for preventing contact interference with the first upper pressing roller 12. The guide pressing block 14 is made of stainless steel, the guide pressing block 14 is integrally of an L-shaped structure, the connecting block 141 is vertically arranged, the guide block 142 is horizontally arranged, the upper side of the guide block 142 is provided with an arc-shaped concave part 144 matched with the shape of the first upper compression roller 12, one side of the guide block 142 close to the conveying line 60 is a compression joint surface 143, the compression joint surface 143 is a plane, the compression joint surface 143 is made into a plane, the upper side and the lower side of the compression joint surface are provided with fillets to prevent scratching of the pole piece, the relative positions of the compression joint surface 143 and the compression rollers can be adjusted and positioned, the contact area of the compression joint surface 143 and the pole piece is larger, the region where the compression joint surface 143 is pressed is corresponding to the region needing laser cutting, the anti-shake effect is more stable, the pole piece is tensioned by the aid of the upper compression roller and the lower compression roller through the compression joint surface 143 of the guide block 142, and shake of the pole piece cutting region is effectively reduced.

In this embodiment, the plane where the pressure contact surface 143 is located is tangent to the edges of the first upper pressing roller 12 and the first lower pressing roller 13, a first air blowing block 17 for blowing air along the axial direction of the first upper pressing roller 12 is further disposed on one side, close to the splash guard 10, of the inner side wall of the first installation groove 15, and a second air blowing block 18 for blowing air along the axial direction of the first lower pressing roller 13 is further disposed on one side, far away from the splash guard 10, of the inner side wall of the second installation groove 16. In this way, the pressure contact surface 143 on the guide pressure block 14 is flush with the outermost edges of the first upper press roller 12 and the first lower press roller 13, so that the cutting position of the pole piece is basically not tilted during conveying, and the cutting is smoother; in other embodiments, the protruding position of the pressing surface 143 may be adjusted according to actual requirements; the first air blowing block 17 and the second air blowing block 18 can blow out airflow with a certain speed along the axial direction of the press roller, and the function of the air blowing blocks is to blow out the splashed droplets falling into the jig, so that the external dust hood can suck the droplets, and the auxiliary dust removal function is achieved.

The guide pressing block 14 in the embodiment is positioned at one end of the first upper pressing roll 12, and the first air blowing block 17 is positioned on the inner side wall of one end of the first installation groove 15 far away from the guide pressing block 14; i.e. the guide weight 14 on one end and the first air-blowing piece 17 on the other end, so that the first air-blowing piece 17 can blow out all the droplets which have fallen in the area of the first installation slot 15 after cutting.

The working principle of the embodiment is as follows: in the embodiment, the guide pressing block 14 is additionally arranged in the suspension area between the first upper pressing roller 12 and the first lower pressing roller 13, when laser cutting is performed, because instantaneous high energy is generated by the laser cutting, the shaking of a pole piece is aggravated, and therefore if the anti-shaking effect is not good, the cutting position may be deviated; this direction briquetting 14 is close to transfer chain 60 one side and is crimping face 143, and crimping face 143 is a plane, makes crimping face 143 into the plane, and the upper and lower side has the radius angle, prevents the scratch pole piece, and crimping face 143 is bigger with the area of contact of pole piece, and the region that crimping face 143 pressfitting is exactly the region that corresponds needs laser cutting, and the anti-shake effect is more stable like this, and the supplementary tensioning pole piece of upper and lower pinch rolls is cooperated through the crimping face 143 of guide block 142, effectively reduces utmost point ear cutting area's shake. Therefore, the guide pressing block 14 is additionally arranged in the area, the stability of the suspension area during tab cutting is improved, and the problem that the cut outline is not in line with the required requirements due to tab shaking in the cutting process is effectively solved.

Example 2

The embodiment provides a pole piece laser cutting device, as shown in fig. 4, which includes a pole piece roller 40, a dust suction roller 50, a laser generator 20, a movable anti-shake jig 30 and a laser cutting anti-shake jig 1 in embodiment 1, wherein a conveying line 60 for conveying a pole piece to be cut is formed between the pole piece roller 40 and the dust suction roller 50, the movable anti-shake jig 30 and the laser cutting anti-shake jig 1 are respectively crimped at two sides of the conveying line 60, the laser generator 20 is located at a side of the movable anti-shake jig 30 opposite to the conveying line 60, a laser channel 34 for laser to pass through is arranged on the movable anti-shake jig 30, an output end of the laser generator 20 is opposite to one end of the laser channel 34, and a guide press block 14 is opposite to the other end of the laser channel 34; the movable anti-shake jig 30 comprises a movable base 31, and a second upper pressing roller 32 and a second lower pressing roller 33 which are arranged on the movable base 31, wherein the second upper pressing roller 32 and the second lower pressing roller 33 are oppositely arranged on two sides of the laser channel 34, and the second upper pressing roller 32 and the second lower pressing roller 33 are respectively tangent to the conveying line 60; as shown in fig. 5, the interval between the second upper roll 32 and the second lower roll 33 is greater than the interval between the first upper roll 12 and the first lower roll 13.

In this embodiment, the pole piece is fed by an external feeding roller, is tensioned by an external tension device, and is transported in a manner of a transport line 60 in the drawing, and reaches the dust suction roller 50 along the transport line 60 after reaching the pole piece passing roller 40 in this embodiment, and the laser cutting of the tab is performed between the pole piece passing roller 40 and the dust suction roller 50. In the embodiment, the laser cutting anti-vibration jig 1 in the embodiment 1 and the movable anti-vibration jig 30 on the left side are matched together to preliminarily press and tension the pole piece during conveying, during installation, the position of the laser cutting anti-vibration jig 1 on the right side is adjusted through the adjusting device 70 connected with the outside according to specific needs, so that the position of the guide pressing block 14 is aligned to the output end of the laser generator 20 and the pole piece is attached and pressed, then the movable anti-vibration jig 30 on the left side moves to the right to press and tension the pole piece from the left side, and the pressing rollers on the two sides are arranged in a staggered mode in the embodiment, so that the basic pressing positions can be more dispersed, and the pressing effect is better; when carrying out utmost point ear cutting, laser generator 20 sends laser beam 21, and laser beam 21 can remove focus according to the actual demand, and laser beam 21 passes and removes the laser channel 34 on the anti-shake tool 30, arrives the pole piece and waits to cut the position, carries out the cutting of utmost point ear, and the pole piece passes through laser beam 21 cutting utmost point ear after, and utmost point ear waste material and the pole piece that takes shape adsorb on 50 section of thick bamboo of suction roll together, and follow-up waste material subassembly of inhaling will inhale utmost point ear waste material limit and arrange the waste material pipeline and take out from. This embodiment is because the suspension region of the anti-shake tool on this right side increases a direction briquetting 14, and the regional stability of suspension when promoting utmost point ear cutting effectively solves the difficult problem that the profile is not conform to required requirement because of utmost point ear shake leads to cutting in the cutting process.

Example 3

This example is similar to example 1, except that: in this embodiment, the guide press block 14 is made of a ceramic material.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a laser cutting anti-shake tool, includes tool base (11) and locates tool base (11) are with first last compression roller (12) and first compression roller (13) down of one side, its characterized in that, still be equipped with between first last compression roller (12) and first compression roller (13) and be used for the direction briquetting (14) of crimping pole piece, first last compression roller (12) and first compression roller (13) parallel arrangement each other, just first last compression roller (12) and first compression roller (13) all partially bulge in a side that corresponds on tool base (11), the edge protrusion of direction briquetting (14) in a side that tool base (11) correspond.

2. The laser cutting anti-shake jig of claim 1, characterized in that, one side of the jig base (11) has a base open slot, the middle part of the base open slot is provided with a splash guard for dividing the base open slot into a first mounting groove (15) and a second mounting groove (16), the two ends of the first upper compression roller (12) are rotatably connected on the two opposite side walls of the first mounting groove (15), the two ends of the first lower compression roller (13) are rotatably connected on the two opposite side walls of the second mounting groove (16), and the guide pressing block (14) is arranged in the first mounting groove (15).

3. The laser cutting anti-shake jig of claim 2, characterized in that the guide pressing block (14) comprises a connecting block (141) and a guide block (142), a mounting plate (19) is arranged on the inner wall of the bottom of the first mounting groove (15), one end of the connecting block (141) is fixedly connected with the mounting plate (19), the other end of the connecting block (141) is perpendicularly connected with one end of the guide block (142) to form an L-shaped structure, the other end of the guide block (142) is provided with a crimping surface (143) for crimping a pole piece, the opposite two sides of the crimping surface (143) are provided with rounded corners, and one side of the guide block (142) close to the first upper pressing roller (12) is provided with an arc-shaped inner concave portion (144) for preventing contact interference with the first upper pressing roller (12).

4. The laser cutting anti-shake jig as claimed in claim 3, characterized in that the plane of the crimping surface (143) is tangential to the edges of the first upper pressing roller (12) and the first lower pressing roller (13), respectively.

5. The laser cutting anti-shaking jig of claim 4, wherein one side, close to the splash guard, of the inner side wall of the first mounting groove (15) is further provided with a first air blowing block (17) for blowing air along the axial direction of the first upper pressing roller (12), and one side, far away from the splash guard, of the inner side wall of the second mounting groove (16) is further provided with a second air blowing block (18) for blowing air along the axial direction of the first lower pressing roller (13).

6. The laser cutting anti-shake jig as claimed in claim 5, wherein the guide pressing block (14) is located at one end of the first upper pressing roller (12), and the first air blowing block (17) is located on an inner side wall of one end, away from the guide pressing block (14), of the first mounting groove (15).

7. The laser cutting anti-shake jig of claim 1, characterized in that the guide pressing block (14) is made of stainless steel or ceramic.

8. The utility model provides a pole piece laser cutting device, characterized in that, include pole piece cross roller (40), dust absorption roller (50), laser generator (20), remove anti-shake tool (30) and claim 1 to 7 any laser cutting anti-shake tool (1), form between pole piece cross roller (40) and dust absorption roller (50) and supply to wait to cut transfer chain (60) that the pole piece carried, remove anti-shake tool (30) with laser cutting anti-shake tool (1) crimping respectively is in the both sides of transfer chain (60), laser generator (20) are located remove anti-shake tool (30) dorsad one side of transfer chain (60), be equipped with the laser passageway that supplies the laser to pass on removing anti-shake tool (30), the output of laser generator (20) is just to the one end of laser passageway, direction briquetting (14) is just to the other end of laser passageway.

9. The pole piece laser cutting device according to claim 8, wherein the movable anti-shake jig (30) comprises a movable base (31), and a second upper pressing roller (32) and a second lower pressing roller (33) which are installed on the movable base (31), the second upper pressing roller (32) and the second lower pressing roller (33) are arranged on two sides of the laser channel oppositely, and the second upper pressing roller (32) and the second lower pressing roller (33) are respectively tangent to the conveying line (60).

10. The pole piece laser cutting device according to claim 9, characterized in that the spacing between the second upper pressure roller (32) and the second lower pressure roller (33) is greater than the spacing between the first upper pressure roller (12) and the first lower pressure roller (13).

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