CN219113280U - Welding fixture for square battery lugs - Google Patents

Abstract

The utility model discloses a battery tab welding fixture which comprises a bottom plate, a first fixing piece, a second fixing piece, an extrusion piece and a lifting piece, wherein the first fixing piece and the second fixing piece are vertically arranged on the bottom plate, the distance between the first fixing piece and the second fixing piece is adjustable, the fixed end of the lifting piece is arranged on the first fixing piece, the extrusion piece is arranged on the moving end of the lifting piece and is positioned above the first fixing piece and the second fixing piece, and the lifting piece is used for driving the extrusion piece to vertically move. According to the utility model, the distance between the first fixing piece and the second fixing piece is adjustable, and the lifting piece is arranged to drive the extrusion piece to move in the vertical direction, so that the extrusion piece can extrude the lugs of square batteries of different types, and the welding of the lugs is facilitated.

Description

Welding fixture for square battery lugs

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a welding fixture for electrode lugs of square batteries.

Background

The lithium ion battery needs to weld the tab to the battery when carrying out monomer electric property test to make things convenient for battery and test connection to carry out electric property test, the tab welding of square battery adopts the mode of directly placing the tab on the utmost point post to weld and extrudees the tab with the clamp plate at present, and the size of different batteries is different and the height of utmost point post is different, consequently utmost point ear mounted position also is different.

The current lug laser welding's for square battery clamp plate is mostly fixed, can't be according to the position adjustment clamp plate's of battery different grade type size and utmost point post position, can only be applied to the square battery of single specification model, and the commonality is poor.

Therefore, the new solution is expected to be that the position of the pressing plate on the clamp can be adjusted, so that the lug is extruded on square batteries of different types, and the lug is convenient to weld.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a welding fixture for square battery lugs.

The utility model provides a welding fixture for a square battery tab, which comprises the following components: the lifting device comprises a bottom plate, a first fixing piece, a second fixing piece, an extrusion piece and a lifting piece, wherein the first fixing piece and the second fixing piece are vertically arranged on the bottom plate, the distance between the first fixing piece and the second fixing piece is adjustable, the first fixing piece and the second fixing piece can be fixing plates or fixing blocks, the fixing end of the lifting piece is arranged on the first fixing piece, the lifting piece can be an air cylinder, at the moment, the fixing end of the lifting piece is a cylinder body of the air cylinder, the moving end of the lifting piece is a shaft of the air cylinder, the extrusion piece is arranged on the moving end of the lifting piece and is positioned above the first fixing plate and the second fixing plate, the extrusion piece is used for driving the extrusion piece to vertically move, and the extrusion piece can be a pressing plate or a pressing block.

Preferably, two lifting pieces are provided, the other lifting piece is mounted on the second fixing piece, and the moving end is connected with the pressing piece.

Preferably, a sliding groove is formed in the extrusion piece, the length direction of the sliding groove is perpendicular to the first fixing piece, and the moving end of the lifting piece penetrates through the sliding groove and is in sliding connection with the sliding groove.

Preferably, the press head is mounted on the pressing piece and located below the pressing plate.

Preferably, the lifting member is horizontally slidably mounted on the first fixing member along the length direction of the first fixing member.

Preferably, the lifting device further comprises a sliding rail, wherein the sliding rail is horizontally arranged on the first fixing piece along the length direction of the first fixing piece, and the fixed end of the lifting piece is slidably arranged on the sliding rail along the length direction of the sliding rail.

Preferably, the first fixing member is fixedly mounted on the base plate, and the second fixing member is slidably mounted on the base plate in a direction perpendicular to the second fixing member.

Preferably, the device further comprises a horizontal moving member, wherein the horizontal moving member is connected with the first fixing member and/or the second fixing member and is used for driving the first fixing member and/or the second fixing member to slide on the base in the horizontal direction, and the horizontal moving member can be a moving rod or an air cylinder.

Preferably, the lifting device further comprises a limiting plate, wherein the limiting plate is installed on the first fixing piece and/or the second fixing piece, a limiting groove is formed in the limiting plate, the limiting groove is parallel to the first fixing piece, and the moving end of the lifting piece penetrates through the limiting groove and is in sliding connection with the limiting groove.

Preferably, the device further comprises a fastener, wherein the fastener is mounted on the extrusion and connected with the moving end of the lifting piece and used for fixing the extrusion on the moving end of the lifting piece, and the fastener can be a buckle or a bolt.

In the utility model, the welding fixture for the electrode lugs of the square battery has the following beneficial effects:

the distance between the first fixing piece and the second fixing piece is adjustable, and the lifting piece is arranged to drive the extrusion piece to move in the vertical direction, so that the extrusion piece can extrude lugs of square batteries of different types, and welding of the lugs is facilitated;

the limiting plate is arranged to enable the moving end of the lifting piece to move along the direction parallel to the first fixing piece, so that the moving direction of the lifting piece is more accurate and the lifting piece is prevented from being skewed;

through setting up the spout on the extrusion, the position that makes the removal end of extrusion on the extrusion can be adjusted to be convenient for adjust the distance between first mounting and the second mounting.

Drawings

Fig. 1 is a schematic structural view of a welding fixture for a lug of a square battery according to the present utility model;

fig. 2 is a schematic structural view of an extrusion of a welding jig for tabs of a square battery according to the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the 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 at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In order to better understand the above technical scheme, the following detailed description of the technical scheme of the present utility model will be given with reference to the accompanying drawings of the specification and the specific embodiments.

Referring to fig. 1 to 2, the welding fixture for the lug of the square battery provided by the utility model comprises a bottom plate 1, a first fixed plate 2, a second fixed plate 3, a pressing plate 4, a supporting seat 10, an air cylinder 6 and a moving rod 8;

the first fixing plate 2 is fixedly arranged on the bottom plate 1 along the vertical direction, the second fixing plate 3 is slidably arranged on the bottom plate 1 along the direction vertical to the first fixing plate 2, the second fixing plate 3 is vertical to the bottom plate 1, the first fixing plate 2 is positioned on the left side of the second fixing plate 3, and the first fixing plate 2 is opposite to the second fixing plate 3;

the supporting seat 10 is fixedly arranged on the bottom plate 1 and positioned on the right side of the second fixed plate 3, one end of the moving rod 8 is fixedly arranged on the second fixed plate 3, the other end of the moving rod 8 penetrates through the supporting seat 10 and is in sliding connection with the supporting seat 10 along the direction vertical to the second fixed plate 3, and the moving rod 8 is used for driving the second fixed plate 3 to be close to or far away from the first fixed plate 2;

the two slide rails 9 are arranged, each slide rail 9 is respectively arranged on the first fixed plate 2 and the second fixed plate 3 along the horizontal direction, and the slide rails 9 are arranged along the length direction of the first fixed plate;

the two cylinders 6 are arranged, the cylinder body of each cylinder 6 is slidably arranged on one slide rail 9 along the length direction of the slide rail 9, the cylinder 6 is used for driving the pressing plate 4 to vertically move, the upper end of the shaft of the cylinder 6 is provided with threads, and the shaft of the cylinder 6 is in threaded connection with the pressing plate 4;

the limiting plates 5 are arranged at two and are respectively arranged at the upper ends of the first fixing plate 2 and the second fixing plate 3 along the horizontal direction and are positioned at the outer sides of the first fixing plate 2 and the second fixing plate 3, the limiting plates 5 are positioned above the sliding rails 9, limiting grooves are formed in the limiting plates 5, the length directions of the limiting grooves are parallel to the first fixing plate 2, and the shafts of the air cylinders 6 penetrate through the limiting grooves and are in sliding connection with the limiting grooves;

the clamp plate 4 is opened there are spout 42, mounting groove and screw 41, the mounting groove is located between spout 42 and the screw 41, the length direction of spout 42 is perpendicular with second fixed plate 3, the axle of the cylinder 6 of installing on second fixed plate 3 passes through bolt 11 to be fixed on limiting plate 5 and along the length direction of spout 42 and spout 42 sliding connection, the axle of the cylinder 6 of installing on first fixed plate 2 passes screw 41 and passes through bolt 11 to be fixed on clamp plate 4, bolt 11 sets up four, two bolts 11 set up respectively in the top and the below of screw 41, two other bolts 11 set up respectively in the top and the below of spout 42, the pressure head 7 passes through the mounting groove is installed in the below of clamp plate 4.

In a specific working process, a worker pulls the movable rod 8 to enable the movable rod 8 to drive the second fixed plate 3 to be far away from the first fixed plate 2, when the distance between the first fixed plate 2 and the second fixed plate 3 is larger than the thickness of the square battery, the square battery is placed between the first fixed plate 2 and the second fixed plate 3, the bottom surface of the square battery is tightly attached to the bottom plate 1, the movable rod 8 is pushed to enable the movable rod 8 to drive the second fixed plate 3 to be close to the first fixed plate 2 until the square battery is clamped between the first fixed plate 2 and the second fixed plate 3, then the position of the air cylinder 6 is adjusted along the length direction of the sliding rail 9 according to the position of the pole of the square battery, when the position of the pressure head 7 is opposite to the position of the pole of the square battery, the worker places the pole lug on the pole of the square battery, finally enables the air cylinder 6 to drive the pressure head 7 to move downwards and press the pole lug, and enables the pole lug to be tightly pressed on the pole lug, so that welding is convenient for the pole lug.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (9)

1. A square battery tab welding jig, its characterized in that includes: bottom plate (1), first mounting (2), second mounting (3), extrusion piece (4) and lifting part (6), first mounting (2) with distance adjustable between equal vertical installation of second mounting (3) is in on bottom plate (1), the stiff end of lifting part (6) is installed on first mounting (2), extrusion piece (4) are installed on the mobile terminal of lifting part (6) and are located first mounting (2) with the top of second mounting (3), lifting part (6) are used for driving extrusion piece (4) are along vertical movement.

2. The welding fixture for the tabs of the square batteries according to claim 1, wherein two lifting pieces (6) are arranged, the other lifting piece (6) is arranged on the second fixing piece (3), and the moving end of the lifting piece is connected with the extrusion piece (4).

3. The welding fixture for the lug of the square battery according to claim 2, wherein the extrusion (4) is provided with a chute, the length direction of the chute is perpendicular to the first fixing piece (2), and the moving end of the lifting piece (6) penetrates through the chute and is in sliding connection with the chute.

4. The welding jig for tabs of square cells according to claim 1, further comprising a ram (7), said ram (7) being mounted on said extrusion (4) and located below said extrusion (4).

5. The welding fixture for the tabs of the square batteries according to claim 1, wherein the lifting member (6) is horizontally slidably mounted on the first fixing member (2) along the length direction of the first fixing member (2).

6. The welding fixture for the tabs of the square batteries according to claim 5, further comprising a sliding rail (9), wherein the sliding rail (9) is horizontally installed on the first fixing piece (2) along the length direction of the first fixing piece (2), and the fixed end of the lifting piece (6) is slidably installed on the sliding rail (9) along the length direction of the sliding rail (9).

7. The welding fixture for square battery tabs according to claim 1, characterized in that the first fixing member (2) is fixedly mounted on the bottom plate (1), and the second fixing member (3) is slidably mounted on the bottom plate (1) in a direction perpendicular to the second fixing member (3).

8. The welding fixture for the tabs of the square batteries according to claim 1, further comprising a horizontal moving member (8), wherein the horizontal moving member (8) is connected with the first fixing member (2) and/or the second fixing member (3) and is used for driving the first fixing member (2) and/or the second fixing member (3) to slide on the bottom plate along the horizontal direction.

9. The welding fixture for the lugs of the square batteries according to claim 1, further comprising a limiting plate (5), wherein the limiting plate (5) is installed on the first fixing piece (2), a limiting groove is formed in the limiting plate (5), the limiting groove is parallel to the first fixing piece (2), and the moving end of the lifting piece (6) penetrates through the limiting groove and is in sliding connection with the limiting groove.

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