Battery module welding and pressing device

Abstract

The utility model relates to the technical field of battery module production, in particular to a battery module welding and pressing device which comprises a lap joint plate, connecting plates are fixedly connected to the two sides of the top face of the lap joint plate, abutting assemblies penetrate through the two sides of the surfaces of the connecting plates in a threaded mode, and sliding assisting grooves are formed in one sides of the surfaces of the connecting plates. A cavity rod is slidably connected into the sliding assisting groove, an inner rod is slidably connected into the cavity rod, a limiting rod is fixedly connected to one side of the inner rod, a sliding block is arranged on one side of the cavity rod, and the surface of the sliding block is slidably connected to the inner wall of the sliding assisting groove. Through mutual cooperative use of the abutting assembly, the lap joint plate and the connecting plate, when a person needs to position a part of battery modules, the person places the battery modules on the top of the lap joint plate immediately, and then the person can screw a lead screw to drive a circular block to move towards the middle, so that the battery modules are fixed in an abutting manner; and therefore, the personnel can conveniently fix the battery module.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of pool module, concretely relates to a battery module welding and pressing device. BACKGROUND

[0002] The production and assembly process of the new energy automobile power battery module includes the assembly and welding of the battery module, the end plate and the side plate, after the assembly and positioning of the battery module, the end plate and the side plate on the clamp are completed, laser welding fixation needs to be carried out between the end plate and the side plate of the battery module, that is, laser side seam welding of the battery module.

[0003] In the public number for CN216730285U disclosed in a kind of lithium battery module flexible welding and pressing device, although, including connecting seat, welding pressure foot, multiple guide rods, multiple flexible pressing springs and gas pipe joint connected to welding pressure foot, the upper part of welding pressure foot is supported on connecting seat, the lower part of welding pressure foot passes through connecting seat downwards, the bottom end of multiple guide rods is fixedly connected to connecting seat, multiple guide rods all pass through the upper part of welding pressure foot upwards, corresponding flexible pressing spring is sleeved on each guide rod, and the two ends of flexible pressing spring are positioned at the top end of connecting seat and the top end of guide rod respectively.The utility model applies flexible pressing spring to each corner of welding pressure foot and exerts flexible pressing force, avoids the problem of insufficient pressing caused by the height change of the integrated cover plate and the battery cell group to be pressed, and the protective gas for welding is uniformly distributed around the molten pool after passing through gas pipe joint and welding pressure foot, so that the molten pool is more fully protected, and the welding quality is significantly improved.

[0004] However, the lithium battery module flexible welding and pressing device has the following shortcomings: when the battery module is pressed and fixed, it is not easy for personnel to fix the battery module, which leads to poor battery module welding effect and easy displacement of the welding position of personnel. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of the prior art, the utility model provides a battery module welding and pressing device, which can effectively solve the problem that the prior art is not easy for personnel to fix the battery module when the battery module is pressed and fixed, which leads to poor battery module welding effect and easy displacement of the welding position of personnel.

[0006] To achieve the above purpose, the utility model realizes the following technical solutions:

[0007] The utility model provides a kind of battery module welding pressure device, including lap joint plate, the both sides of the top surface of lap joint plate are fixedly connected with connecting plate, the both sides of the surface of connecting plate are threadedly penetrated with resistance and contact component, the one side of the surface of connecting plate is equipped with the sliding slot, the inside sliding connection of the sliding slot is equipped with cavity rod, the inside sliding connection of cavity rod is equipped with inner rod, the one side of inner rod is fixedly connected with limit rod, the one side of cavity rod is provided with sliding block, the surface of sliding block is slidably connected in the inner wall of sliding slot.

[0008] Preferably, the resistance and contact component includes a threaded hole in the surface of the connecting plate, and a screw rod is threaded through the threaded hole.

[0009] Preferably, the one side of the surface of the cavity rod is threaded with a positioning bolt, and the surface of the inner rod is equidistantly provided with a positioning hole matched with the positioning bolt.

[0010] Preferably, the middle of the top surface of the lap joint plate is fixedly connected with a soft plate, and the top surface of the soft plate is attached with a non-slip film.

[0011] Preferably, the middle of one side of the lap joint plate is fixedly connected with a connecting block, and the bottom of the connecting block is fixedly connected with an electric telescopic rod.

[0012] Preferably, the bottom of the electric telescopic rod is fixedly connected with a connecting ring, and the bottom of the connecting ring is fixedly connected with a connecting disc.

[0013] Preferably, the top surface of the connecting disc is annularly and equidistantly provided with screw holes, and the inside of the screw holes is threaded with screws.

[0014] Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

[0015] 1. When personnel need to position part of the battery modules, the personnel can place the battery modules on the top of the lap joint plate, then twist the screw rod to drive the circular block to move to the middle, so that the battery modules are fixed by resistance, thereby facilitating personnel to fix the battery modules.

[0016] 2. When personnel need to fix the top of the battery modules, the personnel can slide the limit rod downward along the cavity rod, then twist the positioning bolt to fix the limit rod, thereby assisting in positioning the battery modules. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 The present application is a structural schematic diagram.

[0019] Figure 2 The present application is a split structural schematic diagram.

[0020] Figure 3 The present application is a structural schematic diagram. Figure 2 The present application is an enlarged structural schematic diagram of A.

[0021] Figure 4 The present application is a cavity rod structural schematic diagram.

[0022] The drawings are as follows: 1, the lap plate; 2, the connecting plate; 3, the abutting component; 31, the screw rod; 32, the circular block; 4, the cavity rod; 5, the inner rod; 6, the limiting rod; 7, the positioning bolt; 8, the soft plate; 9, the link block; 10, the electric telescopic rod; 11, the connecting ring; 12, the connecting disc. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] The present application will be further described below in combination with the embodiments.

[0025] Embodiment: refer to Figures 1 to 4 A battery module welding and pressing device, comprising a lap plate 1, both sides of the top surface of the lap plate 1 are fixedly connected with connecting plates 2, both sides of the surface of the connecting plates 2 are threadedly penetrated by abutting components 3, the abutting components 3 comprise screw rods 31 which are threadedly penetrated on the surface of the connecting plates 2, one end of the screw rods 31 is fixedly connected with circular blocks 32.

[0026] When the personnel use the battery module welding and pressing device, the personnel can place the device to be welded and pressed on the top surface of the soft plate 8, then the personnel can twist the screw rod 31 to drive the circular block 32 to move to the middle, then the circular block 32 will abut and position the welded battery module, then the personnel can slide the limiting rod 6 downward to move downward, so that the limiting rod 6 fixes the top of the battery module, then the personnel can twist the positioning bolt 7 to fix the inner rod 5, so that the limiting rod 6 fixes the battery module, thereby playing the role of conveniently fixing the battery module for the personnel, and when the personnel need to adjust the height position of the lap plate 1, the personnel can connect the power supply of the electric telescopic rod 10, so that the electric telescopic rod 10 drives the lap plate 1 to move upward to the appropriate height position, thereby playing the role of conveniently adjusting the height position of the lap plate 1 for the personnel;

[0027] With reference to Figures 1 to 4 , a sliding groove is formed on one side of the surface of the connecting plate 2, a cavity rod 4 is slidably connected in the sliding groove, an inner rod 5 is slidably connected in the cavity rod 4, a limiting rod 6 is fixedly connected to one side of the inner rod 5, a sliding block is arranged on one side of the cavity rod 4, the surface of the sliding block is slidably connected to the inner wall of the sliding groove, a positioning bolt 7 is threadedly penetrated through one side of the surface of the cavity rod 4, and positioning holes matched with the positioning bolt 7 are equidistantly formed in the surface of the inner rod 5;

[0028] Through the arrangement of the limiting rod 6 and the positioning bolt 7, when the personnel need to clamp and fix the top of the battery module, the personnel can twist the positioning bolt 7 to fix the limiting rod 6, thereby playing the role of conveniently fixing the top of the battery module for the personnel;

[0029] With reference to Figures 1 to 4 , a soft plate 8 is fixedly connected to the middle of the top surface of the lap plate 1, and an antiskid film is attached to the top surface of the soft plate 8;

[0030] Through the arrangement of the soft plate 8, the antiskid property of the lap plate 1 is improved;

[0031] With reference to Figures 1 to 4 , a connecting block 9 is fixedly connected to the middle of one side of the lap plate 1, an electric telescopic rod 10 is fixedly connected to the bottom of the connecting block 9, a connecting ring 11 is fixedly connected to the bottom of the electric telescopic rod 10, a connecting disc 12 is fixedly connected to the bottom of the connecting ring 11, screw holes are equidistantly and annularly formed in the top surface of the connecting disc 12, and screws are threadedly penetrated through the screw holes;

[0032] Through the arrangement of the electric telescopic rod 10 and the connecting ring 11, when the personnel need to adjust the height of the lap plate 1, the personnel can connect the power supply of the electric telescopic rod 10, so that the electric telescopic rod 10 drives the lap plate 1 to move upward, and then the height of the lap plate 1 is adjusted, thereby playing the role of conveniently adjusting the height of the lap plate 1 for the personnel;

[0033] Working principle: when the personnel use the battery module welding compression device, the personnel can place the device to be welded and compressed on the top surface of the soft plate 8, then the personnel can twist the screw rod 31 to drive the circular block 32 to move to the middle, then the circular block 32 will abut and position the welding battery module, then the personnel can slide the limiting rod 6 downward to move downward, so that the limiting rod 6 fixes the top of the battery module, then the personnel can twist the positioning bolt 7 to fix the inner rod 5, so that the limiting rod 6 fixes the battery module, thereby playing the role of conveniently fixing the battery module for the personnel, and then when the personnel need to adjust the height position of the lap plate 1, the personnel can connect the power supply of the electric telescopic rod 10, so that the electric telescopic rod 10 drives the lap plate 1 to move upward to the appropriate height position, thereby playing the role of conveniently adjusting the height position of the lap plate 1 for the personnel.

[0034] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery module welding and pressing device comprising a clamping plate (1), characterized in that: Both sides of the top surface of the lap plate (1) are fixedly connected with the connecting plate (2), the surface of the connecting plate (2) is screwed through the abutting assembly (3) on both sides, one side of the surface of the connecting plate (2) is provided with a sliding groove, the inside of the sliding groove is slidably connected with the cavity rod (4), the inside of the cavity rod (4) is slidably connected with the inner rod (5), one side of the inner rod (5) is fixedly connected with the limiting rod (6), one side of the cavity rod (4) is provided with the sliding block, the surface of the sliding block is slidably connected with the inner wall of the sliding groove.

2. The battery module welding and pressing device according to claim 1, characterized in that, The abutting assembly (3) comprises a threaded rod (31) screwed through the surface of the connecting plate (2), and one end of the threaded rod (31) is fixedly connected with the circular block (32).

3. The battery module welding and pressing device according to claim 1, characterized in that, One side of the surface of the cavity rod (4) is screwed through the positioning bolt (7), and the surface of the inner rod (5) is equidistantly provided with the positioning hole matched with the positioning bolt (7).

4. The battery module welding and pressing device according to claim 1, characterized in that, The middle of the top surface of the lap plate (1) is fixedly connected with the soft plate (8), and the top surface of the soft plate (8) is attached with the anti-skid film.

5. The battery module welding and pressing device according to claim 1, wherein The middle of one side of the lap plate (1) is fixedly connected with the connecting block (9), and the bottom of the connecting block (9) is fixedly connected with the electric telescopic rod (10).

6. The battery module welding and pressing device according to claim 5, characterized in that, The bottom of the electric telescopic rod (10) is fixedly connected with the connecting ring (11), and the bottom of the connecting ring (11) is fixedly connected with the connecting disc (12).

7. The battery module welding and clamping device of claim 6, wherein, The top surface of the connecting disc (12) is annularly and equidistantly provided with the threaded holes, and the inside of the threaded holes is screwed through the screws.

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