Welding clamp for new energy equipment accessory production

Abstract

The utility model provides a welding fixture for new energy equipment accessory production, which comprises a mounting plate, a driving cylinder mounted on the back of the mounting plate, an output end of the driving cylinder fixedly connected with a bottom plate, a mounting block mounted on one side of the bottom plate, a mounting groove formed in the front of the mounting block, and a slider mounted on the back of the mounting block. A sliding rail is installed on the front face of the installation plate, a sliding block is installed on the front face of the sliding rail in a sliding mode, a guide rod is installed in an installation groove, a movable block is arranged in the installation groove, a guide hole is formed in the movable block, and a spring is arranged outside the guide rod in a sleeving mode. Under the action that a moving block is matched with a guide rod and a spring, the situation that a battery is damaged due to the fact that pressing plates excessively press the copper bar can be avoided, then laser beams of the laser welding device can weld the copper bar and the battery through a through hole, the two pressing plates synchronously press the two sides of the copper bar, and the situation that one side of the copper bar warps and influences the welding effect can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to welding fixture technical field, concretely relates to a welding fixture for new energy equipment accessory production. BACKGROUND

[0002] The most common accessory in new energy equipment is battery module, and the existing battery module is mostly several batteries, and the positive and negative poles of adjacent batteries are connected through copper bars to form a battery pack. When connecting the positive and negative poles of adjacent batteries with copper bars, welding process is needed to weld the copper bars to improve the service life of the battery module. When welding the copper bars and the batteries, a welding fixture is needed to improve the welding efficiency of the battery module. However, the traditional welding fixture only tightens the copper bars on the surface of the positive and negative poles of adjacent batteries through a pressing plate, and over-tightening the copper bars may cause the battery to be crushed. Moreover, the existing welding fixture structure is relatively complex and inconvenient to maintain. In addition, the traditional welding fixture can only press one side of the copper bars during clamping, which may cause displacement of the other side of the copper bars and affect the welding effect. Therefore, we propose a welding fixture with a buffer structure and convenient maintenance. SUMMARY

[0003] The utility model discloses a welding fixture for new energy equipment accessory production, which aims to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding fixture for new energy equipment accessory production, comprising a mounting plate, a drive cylinder is installed on the back surface of the mounting plate, the output end of the drive cylinder is fixedly connected with a bottom plate, a mounting block is installed on one side of the bottom plate, a mounting groove is formed on the front surface of the mounting block, a sliding block is installed on the back surface of the mounting block, a sliding rail is installed on the front surface of the mounting plate, the sliding block is slidingly installed on the front surface of the sliding rail, a guide rod is installed in the mounting groove, a moving block is arranged in the mounting groove, a guide hole is formed in the moving block, the guide rod is connected with the guide hole, a spring is sleeved on the outer portion of the guide rod, the two ends of the spring abut against the top of the moving block and the top of the mounting groove respectively, a pressing plate for pressing the copper bars is installed on the front surface of the moving block, and a through hole for laser passing through is formed in the surface of the copper bars.

[0005] As a preferred technical scheme of the utility model, the pressing plate comprises a vertical part, a transition part and a horizontal part, the vertical part, the transition part and the horizontal part are integrally formed, the horizontal part is located at the bottom of the vertical part, the through hole is formed in the surface of the horizontal part, a first screw hole is formed in the surface of the vertical part, a plurality of second screw holes are formed on the front surface of the moving block, and the first screw hole and the second screw hole are threadedly connected with a fixing bolt.

[0006] As a preferred technical scheme of the utility model, the top and the bottom of the installation groove are provided with installation holes penetrating the installation block, the guide rod is inserted into the installation hole, the front surface of the installation block is provided with a third screw hole penetrating the installation hole, the top and the bottom of the guide rod are provided with fourth screw holes, and the third screw hole and the fourth screw hole are internally threadedly connected with a fixing screw.

[0007] As a preferred technical scheme of the utility model, the number of the pressing plates is two.

[0008] As a preferred technical scheme of the utility model, the number of the first screw holes on the surface of the vertical part is two.

[0009] Compared with the prior art, the utility model has the beneficial effects that the bottom plate is lowered by the driving cylinder, the installation block is lowered by the bottom plate, the stability of the lowered installation block is improved under the action of the sliding block and the sliding rail, the copper bar is pressed on both sides by the pressing plate when the installation block is lowered, the pressing plate is prevented from excessively pressing the copper bar to damage the battery under the action of the moving block, the guide rod and the spring, the laser beam of the laser welding device can weld the copper bar and the battery through the through hole, and the two pressing plates can press the copper bar on both sides synchronously to prevent the copper bar from being warped on one side to affect the welding effect. BRIEF DESCRIPTION OF DRAWINGS

[0010] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is the structural schematic diagram of the pressing plate in the utility model;

[0013] Figure 3 It is the structural schematic diagram of the installation block in the utility model;

[0014] Figure 4 It is the structural schematic diagram of the guide rod in the utility model;

[0015] Figure 5 It is the structural schematic diagram of the moving block in the utility model.

[0016] In the figure: 1, mounting plate; 2, drive cylinder; 3, bottom plate; 4, mounting block; 5, mounting groove; 6, sliding block; 7, sliding rail; 8, guide rod; 9, moving block; 10, guide hole; 11, spring; 12, pressing plate; 121, vertical part; 122, transition part; 123, horizontal part; 124, first screw hole; 13, through hole; 14, second screw hole; 15, fixing bolt; 16, mounting hole; 17, third screw hole; 18, fourth screw hole; 19, fixing screw. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] Please refer to Figures 1-5 The utility model provides the following technical scheme: a welding fixture for new energy equipment accessory production, including mounting plate 1, the back surface of mounting plate 1 is installed with drive cylinder 2, the output end of drive cylinder 2 is fixedly connected with bottom plate 3, one side of bottom plate 3 is installed with mounting block 4, the front surface of mounting block 4 is provided with mounting groove 5, the back surface of mounting block 4 is installed with sliding block 6, the front surface of mounting plate 1 is installed with sliding rail 7, sliding block 6 is slidably installed on the front surface of sliding rail 7, guide rod 8 is installed in mounting groove 5, moving block 9 is arranged in mounting groove 5, guide hole 10 is formed in moving block 9, guide rod 8 is connected with guide hole 10, spring 11 is arranged on the outside of guide rod 8, the both ends of spring 11 abut against the top of moving block 9 and the top of mounting groove 5 respectively, the front surface of moving block 9 is installed with pressing plate 12 for pressing copper bar, and through hole 13 is formed in the surface of copper bar for laser passing.

[0019] In the embodiment, the pressing plate 12 includes a vertical part 121, a transition part 122, and a horizontal part 123, which are integrally formed. The horizontal part 123 is located at the bottom of the vertical part 121. The through hole 13 is formed on the surface of the horizontal part 123. The vertical part 121 has a first screw hole 124 formed on its surface. The moving block 9 has a plurality of second screw holes 14 equally spaced on its front surface. The first screw hole 124 and the second screw holes 14 are threadedly connected with a fixing bolt 15.

[0020] Specifically, the first screw hole 124 and the second screw hole 14 are arranged to facilitate the disassembly and assembly of the pressing plate 12, so that the staff can replace the pressing plate 12 conveniently, and the second screw hole 14 is arranged to adjust the distance between the two pressing plates 12 installed on the front of the moving block 9, so as to adapt to different sizes of the battery and the copper bar for welding, and the two pressing plates 12 are installed to press the two sides of the copper bar at the same time, thereby improving the welding effect of the copper bar and the battery.

[0021] In the embodiment, the top and bottom of the installation groove 5 are provided with installation holes 16 penetrating the installation block 4, the guide rod 8 is inserted into the installation hole 16, the front of the installation block 4 is provided with a third screw hole 17 penetrating the installation hole 16, the top and bottom of the guide rod 8 are provided with fourth screw holes 18, and the third screw hole 17 and the fourth screw hole 18 are screwed with a fixing screw 19.

[0022] Specifically, the installation hole 16 is arranged to facilitate the installation of the guide rod 8, and the third screw hole 17 and the fourth screw hole 18 cooperate with the fixing screw 19 to facilitate the disassembly and assembly of the guide rod 8, so as to facilitate the maintenance of the moving block 9 and the spring 11, and avoid the poor elastic buffering effect of the spring 11 caused by long-term use.

[0023] In the embodiment, the number of the pressing plate 12 is two.

[0024] Specifically, in this way, the two pressing plates 12 can simultaneously press the two sides of the copper bar at the same time, so as to avoid the influence of the side edge of the copper bar on the welding effect.

[0025] In the embodiment, the number of the first screw hole 124 on the surface of the vertical part 121 is two.

[0026] Specifically, in this way, the pressing plate 12 can be stably fixed on the front of the moving block 9, thereby improving the stability of the pressing plate 12 during use.

[0027] Working principle: the welding fixture is connected with the laser welding device, so that the laser welding beam of the laser welding device can weld the copper bar through the through hole 13, the worker places the copper bar on the surface of the adjacent positive and negative electrode of the battery, then adjusts the position of the two pressing plates 12 so that the two pressing plates 12 are respectively on the top of the two sides of the copper bar, then drives the cylinder 2 to lower the bottom plate 3, at this time the bottom plate 3 will drive the mounting block 4 to move down, and under the action of the slider 6 and the slide rail 7, the stability of lifting the mounting block 4 to move down can be improved, and when the mounting block 4 moves down, the pressing plate 12 will be pressed on the two sides of the copper bar, then under the action of the moving block 9, the guide rod 8 and the spring 11, the pressing plate 12 can be prevented from being pressed too tightly on the copper bar to damage the battery, then the laser beam of the laser welding device can weld the copper bar and the battery through the through hole 13, and the two pressing plates 12 can press the two sides of the copper bar synchronously, which can prevent the copper bar from being warped on one side to affect the welding effect, and the guide rod 8 and the pressing plate 12 can be detached, so that the worker can maintain the welding fixture more conveniently, and the distance between the two pressing plates 12 can be adjusted by the first screw hole 124 and the second screw hole 14 cooperating with the fixing bolt 15, so that the welding fixture can be suitable for welding between batteries and copper bars of different sizes, effectively improving the practicability of the welding fixture.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A welding fixture for new energy equipment accessory production, comprising a mounting plate (1), characterized in that: The back surface of the mounting plate (1) is provided with a driving cylinder (2), the output end of the driving cylinder (2) is fixedly connected with a bottom plate (3), one side of the bottom plate (3) is provided with a mounting block (4), the front surface of the mounting block (4) is provided with a mounting groove (5), the back surface of the mounting block (4) is provided with a sliding block (6), the front surface of the mounting plate (1) is provided with a sliding rail (7), the sliding block (6) is slidingly installed on the front surface of the sliding rail (7), the mounting groove (5) is provided with a guide rod (8), the mounting groove (5) is provided with a moving block (9), the moving block (9) is provided with a guide hole (10), the guide rod (8) is penetratingly connected with the guide hole (10), the guide rod (8) is provided with a spring (11) outside, the two ends of the spring (11) abut against the top of the moving block (9) and the top of the mounting groove (5) respectively, the front surface of the moving block (9) is provided with a pressing plate (12) for pressing the copper bar, the surface of the copper bar is provided with a through hole (13) for laser passing.

2. The welding fixture for producing new energy equipment accessories according to claim 1, characterized in that: The pressing plate (12) comprises a vertical part (121), a transition part (122) and a horizontal part (123), the vertical part (121), the transition part (122) and the horizontal part (123) are integrally formed, the horizontal part (123) is located at the bottom of the vertical part (121), the through hole (13) is provided on the surface of the horizontal part (123), the surface of the vertical part (121) is provided with a first screw hole (124), the front surface of the moving block (9) is provided with a plurality of second screw holes (14) which are equidistantly arranged, and the first screw hole (124) and the second screw hole (14) are threadedly connected with a fixing bolt (15).

3. The welding fixture for new energy equipment accessory production according to claim 1, characterized in that: The top and the bottom of the mounting groove (5) are provided with mounting holes (16) penetrating through the mounting block (4), the guide rod (8) is penetratingly installed in the mounting hole (16), the front surface of the mounting block (4) is provided with a third screw hole (17) penetrating through the mounting hole (16), the top and the bottom of the guide rod (8) are provided with fourth screw holes (18), and the third screw hole (17) and the fourth screw hole (18) are threadedly connected with a fixing screw (19).

4. The welding fixture for new energy equipment accessory production according to claim 1, characterized in that: The number of the pressing plates (12) is two.

5. The welding fixture for new energy equipment accessory production according to claim 2, characterized in that: The number of the first screw holes (124) on the surface of the vertical part (121) is two.

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