CN220388256U

CN220388256U - Laser welding machine

Info

Publication number: CN220388256U
Application number: CN202321857803.XU
Authority: CN
Inventors: 陈斌; 周路华
Original assignee: Shenzhen Yinglianda Automation Equipment Co ltd
Current assignee: Shenzhen Yinglianda Automation Equipment Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-26
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a laser welding machine, comprising: the battery cell placing device comprises an operation table, a battery cell placing device and a battery cell placing device, wherein a battery cell placing area is arranged on the table top of the operation table; the top surfaces of the brackets are provided with first mounting seats; a main support plate slidable in a Y-axis direction; the second installation seat is provided with a second sliding groove, a second sliding block is arranged in the second sliding groove, and the laser slides along the X-axis direction through the second sliding block. The laser can move along the Y-axis direction, the X-axis direction and the Z-axis direction, so that the laser can weld all battery cores placed on the battery core placement area and aluminum rows on the battery cores. The air knife is further arranged on one side below the laser, so that the laser is prevented from excessively high local temperature during welding of the battery cells, the pressing mechanism is arranged on the other side below the laser, an aluminum row on the battery cells can be pressed, and the aluminum row on the battery cells is prevented from being displaced during welding.

Description

Laser welding machine

Technical Field

The utility model relates to the field of welding, in particular to a laser welding machine.

Background

Batteries have become an integral part of everyday life and can power many devices such as electronic devices, radio tools, energy storage, hybrid and electric vehicles, etc. Many times, a plurality of battery cells are required to be assembled in parallel to form a battery pack for use, and the battery cells and the aluminum bars are required to be welded together. The existing welding mode comprises resistance welding, ultrasonic welding, laser welding and the like, wherein the laser welding has the advantages of high-speed welding, high welding accuracy, high penetrating power and the like, but the existing laser can only be used at a fixed position, and the battery cores at other positions on a welding operation table need to be moved, so that the efficiency is low.

Disclosure of Invention

The utility model provides a laser welding machine for solving the technical problem that a battery core needs to be moved during welding of a laser in the prior art.

The technical scheme adopted by the utility model is as follows:

the utility model provides a laser welding machine, comprising:

the battery core placing device comprises an operation table, a battery core placing device and a battery core placing device, wherein a battery core placing area is arranged on a table top of the operation table, and positioning blocks are arranged outside two adjacent side edges of the battery core placing area;

the pair of brackets are respectively arranged at two sides of the table top of the operating table, a first mounting seat is arranged on the top surface of the bracket, a first sliding groove in the Y-axis direction is arranged on the first mounting seat, and a first sliding block which is driven by a servo motor to slide along the Y-axis direction is arranged in the first sliding groove;

the two ends of the main support plate are connected with the first sliding blocks, so that the main support plate can slide along the Y-axis direction;

the second installation seat is fixed on the main support plate, a second sliding groove in the X-axis direction is formed in the second installation seat, a second sliding block which slides along the X-axis direction is driven by a servo motor to be installed in the second sliding groove, a laser is connected to the second sliding block, the laser slides along the X-axis direction through the second sliding block, the laser emits laser to the direction of the operation desk, and the laser drives the first sliding block and the second sliding block to move so as to weld aluminum rows of a plurality of battery cores adjacently placed on the operation desk together.

Further, a second fixed plate is arranged on the second sliding block, a third installation seat is arranged on the second fixed plate, a third sliding groove in the Z-axis direction is arranged on the third installation seat, a third sliding block which slides along the Z-axis direction is arranged in the third sliding groove and driven by a servo motor, and the laser is fixed on the third sliding block and drives the laser to move along the Z-axis direction through the third sliding block.

Further, an air knife is vertically arranged at one side of the laser downwards and is used for reducing the temperature of the laser during welding.

Further, the laser welding machine also comprises a pressing mechanism, wherein the pressing mechanism is arranged on the side edge of the other side of the laser and used for pressing the aluminum row on the battery core.

Further, the pressing mechanism includes: the aluminum row pressing device comprises a first connecting plate vertically downward, a second connecting plate connected with the first connecting plate and a pressing head arranged on the second connecting plate and used for pressing the aluminum row.

Further, the lower extreme of first connecting plate one side is equipped with the second guide rail, second connecting plate one side below is equipped with the second spout, the second connecting plate pass through the second spout with first connecting plate is connected, the pressing head is installed the below of second connecting plate another side.

Further, a third guide rail is arranged below the second connecting plate, a third sliding groove is formed in the pressing head, and the pressing head is mounted on the third guide rail and can slide along the z-axis direction of the third guide rail.

Further, the upper end of the third guide rail is provided with a first protruding connecting block, the third sliding groove is provided with a second connecting block, a spring is arranged between the first connecting block and the second connecting block, and the pressing head is fixed on the second connecting block.

Further, a through hole is formed in the middle of the pressing part of the pressing head, and laser of the laser penetrates through the through hole to be welded.

Further, the laser welding machine further comprises an indicator lamp, and the indicator lamp is arranged on the support.

Compared with the prior art, the laser can move along the Y-axis direction, the X-axis direction and the Z-axis direction, so that the laser can weld all battery cells placed on the battery cell placement area and aluminum rows on the battery cells. The air knife is further arranged on one side below the laser, so that the laser is prevented from excessively high local temperature during welding of the battery cells, the pressing mechanism is arranged on the other side below the laser, an aluminum row on the battery cells can be pressed, and the aluminum row on the battery cells is prevented from being displaced during welding.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a front view of a laser according to an embodiment of the present utility model;

FIG. 3 is a side view of a laser according to an embodiment of the present utility model;

1. a bracket;

21. a first mount; 22. a second mounting base; 23. a third mount; 3. a laser;

4. a main support plate; 5. a battery cell placement area; 51. a positioning block;

6. a servo motor; 7. an air knife; 8. a first connection plate; 9. a second connecting plate; 10. a first connection block; 11. a second connection block; 12. pressing head; 13. an indicator light.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The principles and structures of the present utility model are described in detail below with reference to the drawings and the examples.

Batteries have become an integral part of everyday life and can power many devices such as electronic devices, radio tools, energy storage, hybrid and electric vehicles, etc. Many times, a plurality of battery cells are required to be assembled in parallel to form a battery pack for use, and the battery cells and the aluminum bars are required to be welded together. The existing welding mode comprises resistance welding, ultrasonic welding, laser welding and the like, wherein the laser welding has the advantages of high-speed welding, high welding accuracy, high penetrating power and the like, but the existing laser can only be used at a fixed position, and the battery cores at other positions on a welding operation table need to be moved, so that the efficiency is low. The utility model provides a laser welding machine, wherein a battery core placing area 5 is arranged on an operating platform of the laser welding machine, positioning blocks 51 are arranged on the outer sides of two adjacent sides of the battery core placing area 5, battery cores are sequentially placed along the positioning blocks 51, and the laser welding machine can slide to the position of the battery core placing area 5 on the operating platform through a plurality of sliding grooves and sliding blocks to weld the battery cores and aluminum rows on the battery cores.

As shown in fig. 1-3, the present utility model proposes a laser welding machine comprising: the laser comprises an operating table, a pair of brackets 1, a positioning block 51, a first mounting seat 21, a first sliding block, a main support plate 4, a second mounting seat 22, a second sliding block and a laser 3. The operation panel is the rectangle, is equipped with battery core on the mesa of operation panel and puts regional 5, and battery core is put regional 5 and is regular rectangle, and the outside of two adjacent sides of regional 5 is put to battery core is equipped with locating piece 51, and locating piece 51 is used for putting the battery core, and the battery core is put along locating piece 51 in proper order. The pair of brackets 1 are respectively arranged on two sides of the operation table, the two brackets 1 are parallel to two side edges of the operation table, a first mounting seat 21 is arranged on the top surface of the bracket 1, and a first sliding groove in the Y-axis direction is arranged on the first mounting seat 21. The first sliding groove is internally provided with a first sliding block, and the first sliding block is driven by a servo motor 6 to slide along the first sliding groove in the Y-axis direction.

The two ends below the main supporting plate 4 are respectively connected with a first sliding block, and the first sliding block can drive the main supporting plate 4 to slide along the Y-axis direction (when the main supporting plate is opposite to the operation table, a three-dimensional coordinate system is established by taking one corner of the battery core placing area 5 as an origin, the Y-axis is the front-back direction relative to the battery core placing area 5, the x-axis is the left-right direction relative to the battery core placing area 5, and the z-axis is the up-down direction relative to the battery core placing area 5). The main support plate 4 is provided with a second mounting seat 22, a second sliding groove is arranged on the second mounting seat 22 along the X-axis direction, a second sliding block is arranged in the second sliding groove, and the second sliding block can move along the X-axis direction under the driving of the servo motor 6. The luminous hole of laser instrument 3 is oriented downwards, and the light-emitting hole of laser instrument 3 sets up perpendicularly downwards, makes laser instrument 3 put regional 5 to the battery core of operation panel and transmits laser, and laser instrument 3 drives through first sliding block and can follow Y axle direction and slide, drives through the second sliding block and can slide in X axle direction, and laser instrument 3 is through removing and transmitting laser along X axle and Y axle, can weld battery core and the aluminium row on the battery core put on the operation panel together.

As shown in fig. 1-3, in a specific embodiment, the operation panel is rectangular, the middle rectangular area of the operation panel is a battery core placement area 5, the operation panel is provided with a positioning block 51, the positioning block 51 is a long strip, the positioning block 51 is arranged on the left side and the outer side of the upper side of the battery core placement area 5, the angle formed between the positioning blocks 51 is the initial position for placing the first battery core, and the rest battery cores are sequentially placed along the first battery core. (when facing the operation table, the angle of the cell placement area 5 is used as the origin, the y-axis is the front-back direction relative to the cell placement area 5, the x-axis is the left-right direction relative to the cell placement area 5, and the z-axis is the up-down direction relative to the cell placement area 5).

The operation table is provided with a pair of brackets 1, and the brackets 1 are respectively arranged at two sides of the operation table and are parallel to the side edges of the table top. The bracket 1 includes: the support column and the first backup pad, two support columns parallel arrangement each other are at one side of operation panel to perpendicular to operation panel for support the first backup pad, the both ends of the one side of first backup pad are connected with the support column respectively, and two support columns and first backup pad form a support 1, are used for installing first mount pad 21.

The first installation seat 21 is a strip-shaped column body, the servo motor 6 is installed at one end of the installation seat, the first installation seat 21 is provided with a first sliding groove along the Y-axis direction, a first sliding block is installed on the first sliding groove, and the first sliding block can slide in the first sliding groove along the Y-axis direction through the servo motor 6. The main support plate 4 is a rectangular panel, and two ends of the bottom surface of the main support plate 4 are connected with the first sliding blocks, so that the main support plate 4 can slide along the X axis. The main support plate 4 is vertically connected with a back plate, the second installation seat 22 is fixed on the back plate, the second installation seat 22 is a strip-shaped column body, one end of the second installation seat 22 is provided with a servo motor 6, the second installation seat 22 is provided with a second sliding groove along the X-axis direction, a second sliding block is arranged in the second sliding groove and can slide in the second sliding groove along the X-axis direction through the servo motor 6, the second sliding block is connected with the laser 3, and the laser 3 can slide along the X-axis direction through the second sliding block.

The light outlet of the laser 3 is vertically downwards, the laser 3 drives the first sliding block to slide in the Y-axis direction (front-back direction) through the servo motor 6, and drives the second sliding block to slide in the X-axis direction (left-right direction) through the servo motor 6, so that the laser 3 can weld the battery cells placed in the battery cell placement area 5 on the operation table with the aluminum row on the battery cells.

In a further embodiment, the included angle between the positioning block 51 on the outer side of the left side of the battery cell placement area 5 and the positioning block 51 on the outer side of the upper side is a starting point area for placement of the first battery cell, and other battery cells are sequentially placed along the first battery cell.

In a further embodiment, the laser 3 drives the second slider by means of a servo motor 6 in the x-axis direction (left-right movement) over the second slider. The second installation plate is arranged on the second sliding block, the second installation plate is a rectangular panel, one surface of the second installation plate is vertically installed, one surface of the second installation plate is connected with the second sliding block, the other surface of the second installation plate is connected with the third installation seat 23, the third installation seat 23 is perpendicular to the operation table, a third sliding groove in the Z-axis direction is formed in the third installation seat 23, and a third sliding block driven by the servo motor 6 is arranged in the third sliding groove. The third slider is slidable in the Z-axis direction on the third slider, and the laser 3 is mounted on the third slider, and the laser 3 is slidable (moves up and down) in the Z-axis direction by the third slider.

In a further embodiment, an air knife 7 is arranged below one side of the laser 3, the air port faces the middle of the laser 3, and when the laser 3 is welded, certain heat is generated when the laser 3 emits laser for welding, and the air knife 7 is used for cooling the laser.

In a further embodiment, the laser welding machine further comprises a pressing mechanism, wherein the pressing mechanism is arranged on the side edge of the other side below the laser 3 and used for pressing the aluminum row on the battery core, so that the aluminum row is prevented from being displaced on the battery core to cause welding failure. The pressing mechanism includes: a first connection plate 8 vertically downward, a second connection plate 9 connected with the first connection plate 8, and a pressing head 12 mounted on the second connection plate 9 for pressing the aluminum row.

One end of the first connecting plate 8 is connected with one side edge of one side of the laser 3, and a second guide rail is arranged below one surface of the first connecting plate 8. A second chute is arranged above one surface of the second connecting plate 9, and the second connecting plate 9 is connected with the first connecting plate 8 through a second guide rail and the second chute. A pressing head 12 is arranged below the other surface of the second connecting plate 9. When the laser 3 moves downwards along the z-axis direction, the second guide rail and the second slide rail cooperate to play a buffering role, so that the pressing head is prevented from being directly pressed on the aluminum row, and the aluminum row or the pressing head is prevented from being damaged.

In a further embodiment, a third vertical guide rail is arranged below the second connecting plate 9, a third sliding groove is formed in the pressing head 12, the pressing head 12 slides on the third guide rail along the z-axis direction through the third sliding groove, and a limiting block is arranged below the third guide rail to prevent the third sliding groove from sliding out of the third guide rail.

In a further embodiment, a first protruding connecting block 10 is arranged above the third guide rail, a second connecting block 11 is arranged on the third sliding groove, a spring is connected between the second connecting block 11 and the first connecting block 10, a pressing head is fixed on the second connecting block 11, the spring plays a buffering role, and the pressing head is further prevented from being directly pressed on the aluminum row to damage the aluminum row or the pressing head.

In a further embodiment, the pressing head 12 comprises: the installation department, connecting rod and pressing part, the installation department is the rectangle installation piece, is connected with the second connecting block 11. The pressing part is cuboid, the middle part is provided with a through hole for positioning and laser passing through of the laser 3, and the laser 3 emits laser to pass through the through hole to weld the battery core and the aluminum row. The connecting rod is connected to the below of the installation department, and the connecting rod inclines to the middle part of the laser 3 transmitting hole, and the pressing part is connected to the other end of connecting rod, and the through-hole of pressing part is perpendicular to the operation panel, makes laser 3's laser can pass the through-hole. The laser 3 has the locate function, and the red light of launching earlier is used for the location, and red light is in the same position with the laser light, and in the red light passed the through-hole of pressure head, the demonstration position is correct, and laser 3 launches laser and welds it, and in the red light did not pass the through-hole of pressure head, the demonstration position is inaccurate, needs the luminous angle of adjusting laser 3.

In a further embodiment, the laser welding machine further comprises an indicator light 13, wherein the indicator light 13 is arranged at the end part of the left bracket 1, the machine operates normally when the indicator light 13 lights green, the machine is in a standby state when the indicator light 13 lights yellow, and the machine fails when the indicator light 13 lights red.

As shown in fig. 1-3, in a specific operation, a worker sequentially places the battery cells along right angles of the positioning blocks 51, places an aluminum row to be welded on the battery cells, can adjust the displacement of the movement of the laser 3 according to the position of the aluminum row to be welded on the battery cells by a program, and can move the laser 3 along an X axis and a Y axis to accurately weld the battery cells on the operation panel and the aluminum row on the battery cells, and after the welding is completed, the worker takes down the battery cells and continuously places the next group of battery cells for welding.

Compared with the prior art, the laser 3 can move along the Y-axis direction, the X-axis direction and the Z-axis direction, so that the laser 3 can weld all battery cells placed on the battery cell placement area 5 and aluminum rows on the battery cells. The air knife 7 is further arranged on one side below the laser 3, so that the local temperature of the laser 3 is prevented from being too high when the battery cells are welded, the pressing mechanism is arranged on the other side below the laser 3, an aluminum row on the battery cells can be pressed, and the aluminum row on the battery cells is prevented from being displaced during welding.

It is noted that the above-mentioned terms are used merely to describe specific embodiments, and are not intended to limit exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A laser welder, comprising:

2. The laser welding machine according to claim 1, wherein a second fixing plate is arranged on the second sliding block, a third installation seat is arranged on the second fixing plate, a third sliding groove in the Z axis direction is arranged on the third installation seat, a third sliding block which is driven by a servo motor to slide along the Z axis direction is arranged in the third sliding groove, and the laser is fixed on the third sliding block and is driven by the third sliding block to move along the Z axis direction.

3. The laser welder of claim 1 wherein the laser side is provided with an air knife vertically down, the air knife being used to reduce the temperature of the laser when welding.

4. The laser welder of claim 3 further comprising a pressing mechanism mounted on the other side of the laser for pressing against the aluminum row on the battery cell.

5. The laser welder of claim 4 wherein the pressing mechanism comprises: the aluminum row pressing device comprises a first connecting plate vertically downward, a second connecting plate connected with the first connecting plate and a pressing head arranged on the second connecting plate and used for pressing the aluminum row.

6. The laser welding machine according to claim 5, wherein a second guide rail is arranged at the lower end of one surface of the first connecting plate, a second sliding groove is arranged below one surface of the second connecting plate, the second connecting plate is connected with the first connecting plate through the second sliding groove, and the pressing head is arranged below the other surface of the second connecting plate.

7. The laser welding machine according to claim 5, wherein a third guide rail is arranged below the second connecting plate, a third sliding groove is formed in the pressing head, and the pressing head is mounted on the third guide rail and can slide along the z-axis direction of the third guide rail.

8. The laser welding machine according to claim 7, wherein a first connecting block is arranged at the upper end of the third guide rail, a second connecting block is arranged on the third sliding groove, a spring is arranged between the first connecting block and the second connecting block, and the pressing head is fixed on the second connecting block.

9. The laser welding machine according to claim 5, wherein a through hole is provided in a middle portion of the pressing head, and laser light of the laser passes through the through hole to weld.

10. The laser welder of claim 1, further comprising an indicator light disposed on the bracket.