Welding positioning mechanism for steel shell battery shell cover

Abstract

The utility model discloses a welding positioning mechanism of a steel shell battery cover, which comprises a positioning platform, a bottom shell positioning groove, a fixed propping block, a first movable propping block, a second movable propping block and a third movable propping block are arranged on the positioning platform, the bottom shell positioning groove is square, the fixed propping block is positioned on one side of the length direction of the bottom shell positioning groove, and the third movable propping block is positioned on the other side of the length direction of the bottom shell positioning groove. The first movable abutting block is located on the other side of the bottom shell positioning groove in the length direction, the second movable abutting block is located on one side of the bottom shell positioning groove in the width direction, the third movable abutting block is located on the other side of the bottom shell positioning groove in the width direction, and notches are formed in the abutting end of the fixed abutting block, the abutting end of the first movable abutting block and the abutting end of the second movable abutting block. According to the laser head, spot welding pre-positioning and full welding of the shell cover and the bottom shell of the laser head can be met, after the shell cover is subjected to spot welding pre-positioning, the shell cover cannot deviate in the full welding process, and the welding air tightness can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel case battery manufacturing equipment, in particular to a kind of welding positioning mechanism of steel case battery shell cover. BACKGROUND

[0002] Traditional battery structure usually includes the shell of the bottom shell and shell cover by electrically conductive, and bottom shell and shell cover are needed to be welded when assembling, and the current shell cover welding mode is to cover shell cover on bottom shell, and a circle is welded around the edge of shell cover by laser, to realize full welding, and the welding mode of this direct full welding can cause the displacement of shell cover when shell cover is welded, and the air tightness of shell cover welding is affected after displacement. SUMMARY

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a kind of welding positioning mechanism of steel case battery shell cover.

[0004] The utility model discloses a kind of welding positioning mechanism of steel case battery shell cover, including positioning platform, bottom shell positioning groove is equipped on the positioning platform, fixed abutting block, first movable abutting block, second movable abutting block and third movable abutting block, the bottom shell positioning groove is square, the fixed abutting block is located in the length direction of the bottom shell positioning groove one side, the first movable abutting block is located in the length direction of the bottom shell positioning groove other side, the second movable abutting block is located in the width direction of the bottom shell positioning groove one side, the third movable abutting block is located in the width direction of the bottom shell positioning groove other side, the abutting end of the fixed abutting block, first movable abutting block and second movable abutting block is equipped with notch.Battery bottom shell is placed in bottom shell positioning groove, negative pressure is provided by vacuum suction hole, so that battery bottom shell is positioned in bottom shell positioning groove, shell cover is covered on battery bottom shell, fixed abutting block, first movable abutting block, second movable abutting block and third movable abutting block are positioned together shell cover, laser head is along the position of notch and is spot-welded, after spot-welding is completed, first movable abutting block, second movable abutting block and third movable abutting block reset, laser head is along the edge of shell cover and is welded a circle, to realize full welding.

[0005] As an improvement of the utility model steel case battery shell cover welding positioning mechanism, the bottom of the bottom shell positioning groove is equipped with vacuum suction hole.Vacuum suction hole is connected to vacuumizing equipment by hose, for adsorbing battery bottom shell.

[0006] As an improvement of the welding positioning mechanism of the steel shell battery shell cover, the bottom plate is connected with the positioning platform through a plurality of supporting columns, an opening clamp air cylinder is arranged on the bottom plate, a first abutting cylinder for controlling the movement of the first movable abutting block is arranged on the positioning platform, and the bottom of the positioning platform is provided with a second abutting cylinder for controlling the movement of the second movable abutting block.

[0007] As an improvement of the welding positioning mechanism of the steel shell battery shell cover, the first movable abutting block is installed on the clamping groove of the first sliding plate, the bottom of the first sliding plate is connected with the first sliding rail through a first sliding block, one side of the first sliding plate is provided with a first connecting plate, the first connecting plate is connected with the piston rod of the first abutting cylinder, the clamping groove is provided with two, and the first movable abutting block is provided with two, and the two first movable abutting blocks are installed on the clamping groove.

[0008] As an improvement of the welding positioning mechanism of the steel shell battery shell cover, two first guide rods are arranged at intervals at one end of the first sliding plate, the ends of the two first guide rods are connected to the first limiting plate, a first limiting screw rod is arranged on the first limiting plate, one end of the first limiting screw rod is fixedly connected to the first positioning seat, two first limiting screws are screwed on the first limiting screw rod, and the first limiting plate is located between the two first limiting screws.

[0009] As an improvement of the welding positioning mechanism of the steel shell battery shell cover, the second movable abutting block is installed on the clamping groove of the second sliding plate, the bottom of the second sliding plate is connected with the second sliding rail through a second sliding block, and the middle of the second sliding plate is provided with a second connecting plate.

[0010] As an improvement of the welding positioning mechanism of the steel shell battery shell cover, two second guide rods are arranged at intervals at one end of the second sliding plate, the ends of the two second guide rods are connected to the second limiting plate, a second limiting screw rod is arranged on the second limiting plate, one end of the second limiting screw rod is fixedly connected to the second positioning seat, two second limiting screws are screwed on the second limiting screw rod, and the second limiting plate is located between the two second limiting screws.

[0011] As an improvement of the welding positioning mechanism of the steel shell battery shell cover, the third movable abutting block is installed on the third sliding plate, the bottom of the third sliding plate is connected with the third sliding rail through a third sliding block, one end of the third sliding plate is provided with a spring hole, a spring is arranged in the spring hole, one side of the third sliding plate is provided with a roller seat, and a roller is arranged on the roller seat.

[0012] As an improvement to the welding positioning mechanism of the steel shell battery shell cover of the utility model, a spring adjustment seat is also provided on the positioning platform, and the spring adjustment seat is arranged corresponding to the third movable support block. A plurality of screw holes are provided on the spring adjustment seat at intervals, and one end of the spring extends into the screw hole. An adjusting screw is screwed into the screw hole, and rotating the adjusting screw can adjust the elastic force of the spring.

[0013] As an improvement to the welding positioning mechanism of the steel shell battery shell cover of the utility model, the piston rod end of the clamping cylinder is provided with a mounting plate, and an clamping top block is fixedly mounted on the mounting plate. The clamping top block is provided with an inclined surface, and the inclined surface contacts the roller. When the clamping cylinder controls the clamping top block to move upward, the inclined surface can push the third movable abutting block to move and compress the spring. When the clamping cylinder is reset, the spring pushes the third movable abutting block to move and abut against the shell cover.

[0014] The beneficial effect of the present invention is that the present invention can meet the spot welding pre-positioning and full welding requirements of the laser head for the shell cover and the bottom shell. After the shell cover is pre-positioned by spot welding, no deviation will occur during full welding of the shell cover, thereby improving the air tightness of the welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 yes Figure 2 A magnified view of point A in the figure;

[0018] The accompanying drawings are marked as follows: 1. Positioning platform, 2. Bottom shell positioning groove, 3. Fixed push block, 4. First movable push block, 5. Second movable push block, 6. Third movable push block, 7. Notch, 8. Bottom plate, 9. Support column, 10. Clamping cylinder, 11. First push cylinder, 12. Second push cylinder, 13. Spring adjustment seat, 14. Adjusting screw, 41. First sliding plate, 42. Slot, 43. First slider, 44. First slide rail, 45. First connecting plate, 46. First guide rod, 47. First limit plate , 48, the first limiting screw, 49, the first positioning seat, 40, the first limiting screw, 51, the second sliding plate, 52, the second slider, 53, the second slide rail, 54, the second connecting plate, 55, the second guide rod, 56, the second limiting plate, 57, the second limiting screw, 58, the second positioning seat, 59, the second limiting screw, 61, the third sliding plate, 62, the third slider, 63, the third slide rail, 64, the spring, 65, the roller seat, 66, the roller, 101, the mounting plate, 102, the clamping top block, 103, the inclined plane. DETAILED DESCRIPTION

[0019] 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 of 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.

[0020] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications will also change accordingly.

[0021] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that the technical solutions can be realized by those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0022] As shown in Figures 1-3 A kind of welding positioning mechanism of steel shell battery shell cover, including positioning platform 1, positioning platform 1 is equipped with bottom shell positioning groove 2, fixed abutting block 3, first movable abutting block 4, second movable abutting block 5 and third movable abutting block 6, bottom shell positioning groove 2 is square, fixed abutting block 3 is located in the length direction of bottom shell positioning groove 2 one side, first movable abutting block 4 is located in the length direction of bottom shell positioning groove 2 other side, second movable abutting block 5 is located in the width direction of bottom shell positioning groove 2 one side, third movable abutting block 6 is located in the width direction of bottom shell positioning groove 2 other side, the abutting end of fixed abutting block 3, first movable abutting block 4 and second movable abutting block 5 is equipped with notch 7.Battery bottom shell is placed in bottom shell positioning groove 2, provides negative pressure by vacuum suction hole, so that battery bottom shell is positioned in bottom shell positioning groove 2, shell cover is covered on battery bottom shell, fixed abutting block 3, first movable abutting block 4, second movable abutting block 5 and third movable abutting block 6 are positioned together shell cover, laser head is welded along the position of notch 7, after spot welding is completed, first movable abutting block 4, second movable abutting block 5 and third movable abutting block 6 reset, laser head is welded along the edge of shell cover, realize full welding.

[0023] The bottom of the bottom shell positioning groove 2 is provided with a vacuum adsorption hole. The vacuum adsorption hole is connected to a vacuum device through a hose for adsorbing the battery bottom shell.

[0024] Preferably, a bottom plate 8 is further included, the bottom plate 8 is connected with the positioning platform 1 through a plurality of support columns 9, the bottom plate 8 is provided with an opening clamp air cylinder 10, the positioning platform 1 is provided with a first abutting air cylinder 11 for controlling the movement of the first movable abutting block 4, and the bottom of the positioning platform 1 is provided with a second abutting air cylinder 12 for controlling the movement of the second movable abutting block 5.

[0025] Preferably, the first movable abutting block 4 is installed on the clamping groove 42 of the first sliding plate 41, the bottom of the first sliding plate 41 is connected with the first sliding rail 44 through the first sliding block 43, one side of the first sliding plate 41 is provided with the first connecting plate 45, the first connecting plate 45 is connected with the piston rod of the first abutting air cylinder 11, the clamping groove 42 is provided with two, and the first movable abutting block 4 has two, which are respectively installed on one clamping groove 42.

[0026] Preferably, two first guide rods 46 are arranged at intervals at one end of the first sliding plate 41, the ends of the two first guide rods 46 are connected to the first limiting plate 47, the first limiting plate 47 is provided with the first limiting screw 48, one end of the first limiting screw 48 is fixedly connected to the first positioning seat 49, and two first limiting screws 40 are screwed on the first limiting screw 48, and the first limiting plate 47 is located between the two first limiting screws 40.

[0027] Preferably, the second movable abutting block 5 is installed on the clamping groove of the second sliding plate 51, the bottom of the second sliding plate 51 is connected with the second sliding rail 53 through the second sliding block 52, and the middle of the second sliding plate 51 is provided with the second connecting plate 54.

[0028] Preferably, two second guide rods 55 are arranged at intervals at one end of the second sliding plate 51, the ends of the two second guide rods 55 are connected to the second limiting plate 56, the second limiting plate 56 is provided with the second limiting screw 57, one end of the second limiting screw 57 is fixedly connected to the second positioning seat 58, and two second limiting screws 59 are screwed on the second limiting screw 57, and the second limiting plate 56 is located between the two second limiting screws 59.

[0029] Preferably, the third movable abutting block 6 is installed on the third sliding plate 61, the bottom of the third sliding plate 61 is slidably connected with the third sliding rail 63 through the third sliding block 62, one end of the third sliding plate 61 is provided with a spring hole, the spring hole is provided with a spring 64, one side of the third sliding plate 61 is provided with a roller seat 65, and the roller seat 65 is provided with a roller 66.

[0030] Preferably, the positioning platform 1 is further provided with a spring adjusting seat 13, the spring adjusting seat 13 is correspondingly arranged with the third movable abutting block 6, a plurality of screw holes are arranged on the spring adjusting seat 13, one end of the spring 64 is inserted into the screw hole, the screw hole is screwed with an adjusting screw 14, and the spring 64 can be adjusted by rotating the adjusting screw 14.

[0031] Preferably, the piston rod end of the opening and clamping cylinder 10 is provided with a mounting plate 101, the mounting plate 101 is fixedly installed with an opening and clamping top block 102, the opening and clamping top block 102 is provided with an inclined surface 103, the inclined surface 103 is in contact with the roller 66, when the opening and clamping cylinder 10 controls the upward movement of the opening and clamping top block 102, the inclined surface 103 can push the third movable abutting block 6 to move and compress the spring 64, when the opening and clamping cylinder 10 resets, the spring 64 pushes the third movable abutting block 6 to move and abut on the shell cover.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and structures of the utility model, the scope of the utility model is defined by the appended claims and their equivalent scope.

Claims

1. A welding positioning mechanism for a steel can battery can lid, comprising a positioning platform, characterized in that, The positioning platform is provided with a bottom shell positioning groove, a fixed abutting block, a first movable abutting block, a second movable abutting block and a third movable abutting block.

2. The welded positioning mechanism of a steel can battery case lid according to claim 1, characterized in that, The bottom of the bottom shell positioning groove is provided with a vacuum adsorption hole.

3. The welded positioning mechanism of a steel can battery case lid according to claim 1, characterized in that, Further comprising a bottom plate connected with the positioning platform through a plurality of support columns, the bottom plate is provided with an opening clamp cylinder, the positioning platform is provided with a first abutting cylinder for controlling the movement of the first movable abutting block, and the bottom of the positioning platform is provided with a second abutting cylinder for controlling the movement of the second movable abutting block.

4. The welded positioning mechanism of a steel can battery case lid according to claim 3, characterized in that, The first movable abutting block is installed on the clamping groove of the first sliding plate, the bottom of the first sliding plate is connected with the first sliding rail through the first sliding block, one side of the first sliding plate is provided with a first connecting plate connected with the piston rod of the first abutting cylinder, the clamping groove is provided with two, and the first movable abutting block is provided with two, and the two first movable abutting blocks are installed on the clamping groove respectively.

5. The welded positioning mechanism of a steel can battery case lid according to claim 4, characterized in that, One end of the first sliding plate is provided with two first guide rods, the ends of the two first guide rods are connected with the first limiting plate, the first limiting screw is provided on the first limiting plate, one end of the first limiting screw is fixedly connected with the first positioning seat, two first limiting screws are screwed on the first limiting screw, and the first limiting plate is located between the two first limiting screws.

6. The welded positioning mechanism of a steel can battery case lid according to claim 3, characterized by, The second movable abutting block is installed on the clamping groove of the second sliding plate, the bottom of the second sliding plate is connected with the second sliding rail through the second sliding block, and the middle part of the second sliding plate is provided with a second connecting plate connected with the piston rod of the second abutting cylinder.

7. The welded positioning mechanism of a steel can battery case lid according to claim 6, characterized by, One end of the second sliding plate is provided with two second guide rods, the ends of the two second guide rods are connected with the second limiting plate, the second limiting screw is provided on the second limiting plate, one end of the second limiting screw is fixedly connected with the second positioning seat, two second limiting screws are screwed on the second limiting screw, and the second limiting plate is located between the two second limiting screws.

8. The welded positioning mechanism of a steel can battery case lid according to claim 3, characterized by, The third movable abutting block is installed on the third sliding plate, the bottom of the third sliding plate is connected with the third sliding rail through the third sliding block, one end of the third sliding plate is provided with a spring hole, the spring hole is provided with a spring, one side of the third sliding plate is provided with a roller seat, and the roller seat is provided with a roller.

9. The welded positioning mechanism of a steel can battery case lid according to claim 8, characterized by, The positioning platform is further provided with a spring adjusting seat corresponding to the third movable abutting block, a plurality of screw holes are provided on the spring adjusting seat, one end of the spring is inserted into the screw hole, a adjusting screw is screwed in the screw hole, and the adjusting screw can adjust the elasticity of the spring.

10. The welded positioning mechanism of a steel can battery case lid according to claim 8, characterized by, The piston rod end of the opening and clamping cylinder is provided with a mounting plate, an opening and clamping top block is fixedly installed on the mounting plate, an inclined surface is arranged on the opening and clamping top block, the inclined surface is in contact with the roller, when the opening and clamping cylinder controls the upward movement of the opening and clamping top block, the inclined surface can push the third movable abutting block to move and compress the spring, when the opening and clamping cylinder resets, the spring pushes the third movable abutting block to move and abut against the shell cover.

Images