CN216939168U

CN216939168U - Welding positioning device for square battery cover plate

Info

Publication number: CN216939168U
Application number: CN202220225254.3U
Authority: CN
Inventors: 刘慰兵; 连剑明; 卞永岩
Original assignee: Fujian Wei Dong New Energy LLC
Current assignee: Fujian Wei Dong New Energy LLC
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-12
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a welding and positioning device for a square battery cover plate, which comprises a welding gun mechanism and a positioning assembly, wherein the positioning assembly comprises a positioning seat, a side pressure plate for pressing the positive end of a battery, a limiting plate arranged in a U shape and an upper pressure plate positioned above the positioning seat, and one side of the positioning seat is sleeved between two opening ends of the limiting plate; two sides of the upper end of the positioning seat are respectively provided with a positioning groove for horizontally placing the power supply battery and a limiting through groove for vertically placing the power supply battery, and two opening ends of the limiting plate are connected with locking bolts in a threaded manner; the limiting plate is connected with a translational driving piece which drives the limiting plate to move towards the other side direction of the positioning seat; the side pressure plate is positioned on one side of the positioning groove, which is far away from the upper pressure plate, one side of the side pressure plate is connected with the pressing piece, the other side of the positioning seat is in threaded connection with a screw rod, one end of the screw rod is rotationally connected with the side pressure plate, and the other end of the screw rod is connected with the rotating mechanism; according to the utility model, the transverse batteries and the vertical batteries are simultaneously compressed twice and fixed for four times, so that the integral positioning efficiency is high, the welding efficiency is high and the compressing effect is good.

Description

Welding positioning device for square battery cover plate

Technical Field

The utility model relates to the technical field of batteries, in particular to a welding and positioning device for a square battery cover plate.

Background

The new energy battery is a main source of new energy automobile power, and a welding process is required in the production process of the new energy square battery, wherein the positioning welding of the cover plate, the electrode current collecting piece, the negative plate and the battery shell is particularly important; as shown in fig. 1, a multi-tab structure is often adopted in the conventional square battery 38, when the square battery 38 is packaged, a cover plate 39, a negative current collecting plate 40, a battery case 41 and a negative electrode plate 42 need to be pressed first, and then gaps to be welded on four sides between the cover plate 39 and the battery case 41 need to be welded respectively, however, the thickness of the negative current collecting plate 40 of the square battery 38 is usually different, and the structural design of the cover plate 39 also has a situation of different position thicknesses, the size of a positioning welding tool in the prior art is usually fixed, the pressing needs to be adjusted manually, when the negative current collecting plate 40, the battery case 41 and the cover plate 39 are positioned and pressed in the welding process, pressing is not real or deviated, so that the negative current collecting plate 40, the battery case 41, the cover plate 39 and the negative electrode plate 42 cannot be positioned well, and the positioning tool can only position a single battery and tightly weld the gaps a43 to be welded on two sides with the same length each time, if need wait to weld gap b44 to the other both sides of different length to fix a position and compress tightly, still need change another frock, cause the problem that the positioning efficiency is low, welding inefficiency and compress tightly the effect poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a welding and positioning device for a square battery cover plate, which can realize the functions of automatically and comprehensively positioning, pressing and welding more than one battery and welding gaps to be welded on four sides of the battery simultaneously by adopting one device, and has the advantages of high positioning efficiency, high welding efficiency and good pressing effect.

In order to achieve the purpose, the utility model provides the following technical scheme:

a welding positioning device for a square battery cover plate comprises a welding gun mechanism and a positioning assembly, wherein the positioning assembly comprises a positioning seat, a side pressure plate for pressing the positive end of a battery, a limiting plate in a U-shaped arrangement and an upper pressure plate positioned above the positioning seat, and one side of the positioning seat is sleeved between two opening ends of the limiting plate; two sides of the upper end of the positioning seat are respectively provided with a positioning groove for horizontally placing a power supply battery and a limiting through groove for vertically placing the power supply battery, and two opening ends of the limiting plate are in threaded connection with locking bolts for locking the upper pressure plate on the two batteries; the limiting plate is connected with a translation driving piece which drives the limiting plate to move towards the other side direction of the positioning seat; the side pressing plate is located on one side, far away from the upper pressing plate, of the positioning groove, one side of the side pressing plate is connected with a pressing piece used for pressing the positive end of the vertical battery, a screw rod is in threaded connection with the other side of the positioning seat, one end of the screw rod is rotationally connected with the side pressing plate, and the other end of the screw rod is connected with a rotating mechanism.

Further setting: rotary mechanism includes rotating electrical machines, driving gear, driven gear and belt, the driving end of rotating electrical machines with the driving gear connection, the driving gear with pass through between the driven gear the belt is connected, driven gear with screw rod one end is connected, the confession has been seted up to the positioning seat lower extreme the logical groove of stepping down that the rotating electrical machines was placed.

Further setting: the translation driving part comprises a support and a translation cylinder, the translation cylinder is installed on one side of the upper end of the support, an ejector rod of the translation cylinder is connected with the closed end of the limiting plate, a supporting block is connected to the bottom of the closed end of the limiting plate, a sliding block is connected to the bottom end of the supporting block, and a guide rail for the sliding block to slide along the line direction of the two sides of the positioning seat is installed on one side of the positioning seat.

Further setting: the pressing piece comprises a side pressing block used for pressing the upper side of the positive end of the vertical battery, a connecting rod is connected between one side of the side pressing block and one side of the side pressing plate, and a limiting passage for the connecting rod to penetrate through and move is formed in the other side of the positioning seat.

Further setting: the locating component further comprises a supporting seat and a middle pressing block used for pressing the middle of the positive end of the vertical battery, one end of the middle pressing block is connected with a rotating shaft, the upper end of the supporting seat is provided with a rotating hole through which one end of the rotating shaft penetrates, one end of the rotating shaft is provided with a baffle, a compression spring is connected between the baffle and the supporting seat, the upper end of the supporting seat is provided with a first limiting groove for vertical placement of the middle pressing block, and the upper end of the supporting seat is provided with a second limiting groove for horizontal placement of the middle pressing block.

Further setting: the welding gun mechanism comprises a welding gun and a transverse linear guide rail, the welding gun is driven to translate along the length direction of a to-be-welded seam, the welding gun is connected with a sliding block of the transverse linear guide rail, and at least two groups of positioning assemblies, translation driving pieces and rotating mechanisms are arranged along the length direction of the transverse linear guide rail.

The bottom end of the upper pressure plate is provided with a guide channel which gradually expands towards the opening close to the side pressure plate, and the guide channel is positioned on one side of the upper pressure plate, which is far away from the translational driving piece.

Further setting, the recess of stepping down of being convenient for snatch horizontal battery and erect the battery is all seted up to the other both sides of positioning seat.

In conclusion, the positioning groove and the limiting through groove are used for initially positioning the transversely placed batteries and the vertically placed batteries and improving the positioning efficiency of the batteries; the secondary positioning and pressing functions of the transverse batteries and the vertical batteries are realized simultaneously and automatically through the rotating mechanism, the screw rod, the pressing piece and the side pressing plate; the transverse batteries and the vertical batteries are positioned for three times by horizontally moving the driving piece, the limiting plate and the upper pressing plate; the locking bolts are screwed to realize the four-time positioning of the transverse batteries and the vertical batteries and the effect of ensuring the compression effect of the transverse batteries and the vertical batteries, and the welding of the negative electrode end of the battery is automatically realized through a welding gun mechanism; after the two batteries are welded for two times, the positions of the transverse batteries and the vertical batteries are exchanged, and the positioning, the pressing and the welding are repeated until the welding of the gaps to be welded on the four sides of the two batteries are completed; the utility model simultaneously compresses the transverse batteries and the vertical batteries for two times and positions the transverse batteries and the vertical batteries for four times, does not need to additionally manufacture tools aiming at gaps to be welded with different lengths, can realize the functions of automatically and comprehensively positioning, compressing and welding more than one battery and the gaps to be welded at four sides of the battery simultaneously, and has the advantages of high positioning efficiency, high welding efficiency and good compressing effect.

Drawings

Fig. 1 is a schematic structural view of a conventional prismatic battery;

FIG. 2 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 3 is a schematic structural view of a positioning assembly and a translation driving member according to an embodiment of the present invention:

FIG. 4 is a schematic structural diagram of a positioning assembly for compressing batteries in a horizontal position and batteries in a vertical position according to an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of a positioning assembly and a rotating mechanism in an embodiment of the present invention;

FIG. 6 is a top view of a positioning assembly and a rotating mechanism according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of an upper platen in an embodiment of the present invention.

In the figure: 1. a limiting plate; 2. a welding gun mechanism; 3. positioning seats; 4. a rotation mechanism; 5. side pressing plates; 6. a compression member; 7. an upper pressure plate; 8. positioning a groove; 9. a limiting through groove; 10. locking the bolt; 11. a translation drive; 12. a screw; 13. a rotating electric machine; 14. a driving gear; 15. a driven gear; 16. a belt; 17. a yielding through groove; 18. a translation cylinder; 19. a support; 20. a supporting block; 21. a slider; 22. a guide rail; 23. side pressing blocks; 24. a connecting rod; 25. a limiting channel; 26. a supporting seat; 27. pressing the middle block; 28. a rotating shaft; 29. rotating the hole; 30. a compression spring; 31. a baffle plate; 32. a first limit groove; 33. a second limit groove; 34. a welding gun; 35. a transverse linear guide rail; 36. a guide channel; 37. a yielding groove; 38. a square battery; 39. a cover plate; 40. a negative current collector; 41. a battery case; 42. a negative plate; 43. a gap a to be welded; 44. to weld the gap b.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments. It should be noted that the terms "upper" and "lower" used in the following description refer to directions in fig. 2 and 3, and the terms "bottom end" and "top end" refer to directions toward the geometric center of a particular component.

The most key concept of the utility model is as follows: the positioning grooves 8 and the limiting through grooves 9 are used for limiting two sides of the transverse batteries and the other two sides of the vertical batteries, so that the primary positioning of the transverse batteries and the vertical batteries is realized, and the positioning efficiency of the batteries is improved; the transverse battery and the vertical battery are pushed to move horizontally towards one side close to the positioning seat 3 through the rotating mechanism 4, the screw 12, the pressing piece 6 and the side pressure plate 5 simultaneously until the negative current collecting piece of the transverse battery, the battery shell and the cover plate are pressed tightly, and the negative current collecting piece of the vertical battery, the battery shell and the cover plate are pressed tightly, so that the secondary positioning and pressing effects on the transverse battery and the vertical battery are realized simultaneously and automatically; the transverse batteries and the vertical batteries are positioned for three times through the translation driving piece 11, the limiting plate 1 and the upper pressing plate 7; the locking bolt 10 is screwed until the upper pressure plate 7 presses one side surface of the negative end of the transverse battery and the vertical battery, so that the four-time positioning of the transverse battery and the vertical battery and the effect of ensuring the pressing effect of the transverse battery and the vertical battery are realized, and the effect of automatically welding the negative end of the battery is realized through the welding gun mechanism 2; after the two batteries are welded for two times, the positions of the transverse batteries and the vertical batteries are exchanged, and the positioning, the pressing and the welding are repeated until the welding of the gaps to be welded on the four sides of the two batteries are completed;

the utility model adopts the mode of simultaneously carrying out two times of compaction and four times of positioning on the transverse batteries and the vertical batteries, does not need additional manufacturing tools aiming at the gaps to be welded with different lengths, can realize the functions of automatically and comprehensively positioning, compacting and welding more than one battery and the gaps to be welded on four sides of the battery at the same time, and has the advantages of high positioning efficiency, high welding efficiency and good compaction effect.

Referring to fig. 2 to 7, the welding and positioning device for the square battery cover plate comprises a welding gun mechanism 2 and a positioning assembly, wherein the positioning assembly comprises a positioning seat 3, a side pressure plate 5 for pressing the positive end of the battery, a limiting plate 1 arranged in a U shape, and an upper pressure plate 7 positioned above the positioning seat 3, and one side of the positioning seat 3 is sleeved between two open ends of the limiting plate 1; two sides of the upper end of the positioning seat 3 are respectively provided with a positioning groove 8 for horizontally placing a battery and a limiting through groove 9 for vertically placing the battery, and two opening ends of the limiting plate 1 are in threaded connection with locking bolts 10 for locking the upper pressure plate 7 on the two batteries; the limiting plate 1 is connected with a translational driving piece 11 which drives the limiting plate to move towards the other side direction of the positioning seat 3; the side pressure plate 5 is positioned on one side, away from the upper pressure plate 7, of the positioning groove 8, one side of the side pressure plate 5 is connected with a pressing piece 6 used for pressing the positive end of the vertical battery, the other side of the positioning seat 3 is in threaded connection with a screw rod 12, one end of the screw rod 12 is rotatably connected with the side pressure plate 5, and the other end of the screw rod 12 is connected with the rotating mechanism 4.

As can be seen from the above description, when the batteries need to be positioned, compressed and welded, firstly, one battery to be welded is transversely placed into the positioning groove 8 and the other battery to be welded is vertically placed into the limiting through groove 9 through the positioning groove 8 and the limiting through groove 9, so as to realize the functions of primarily positioning the batteries and improving the positioning efficiency of the batteries; then, the rotating mechanism 4 is started through the rotating mechanism 4, the screw 12, the pressing piece 6 and the side pressure plate 5, the rotating mechanism 4 drives the screw 12 to rotate, the side pressure plate 5 and the pressing piece 6 are driven to move horizontally towards one side close to the positioning seat 3 along the width direction of the battery, the side pressure plate 5 enables the negative electrode end of the transverse battery to be pushed to be extruded with the groove wall of the positioning groove 8 until the negative electrode current collecting piece, the battery shell and the cover plate of the transverse battery are pressed tightly, the pressing piece 6 drives the vertical battery to be extruded with the groove wall of the limiting through groove 9 until the negative electrode current collecting piece, the battery shell and the cover plate of the vertical battery are pressed tightly, the effects of secondary positioning and pressing of the transverse battery and the vertical battery are achieved simultaneously and automatically, the positioning efficiency is further improved, and the pressing effect is good;

then, the translation driving part 11 is started through the translation driving part 11, the limiting plate 1 and the upper pressing plate 7, the translation driving part 11 drives the limiting plate 1 to translate towards the other side of the positioning seat 3, the upper pressing plate 7 connected to two closed ends of the limiting plate 1 through the locking bolt 10 is driven to translate towards the other side of the positioning seat 3 until a gap to be welded at the upper end of the transverse battery and a gap to be welded at the upper end of the vertical battery are exposed between the upper pressing plate 7 and one side of the positioning seat 3, and the effect of positioning the transverse battery and the vertical battery for three times is achieved; and then, the locking bolt 10 is screwed until the upper pressure plate 7 presses one side surface of the negative end of the transverse battery and the vertical battery, so that the four-time positioning of the transverse battery and the vertical battery and the effect of ensuring the pressing effect of the transverse battery and the vertical battery are realized, finally, the welding seam welding is completed on two sides with the same length of the transverse battery by the welding gun mechanism 2, after the welding seam welding is completed on two sides with the same length of the vertical battery, the positions of the two batteries are exchanged, and the positioning, the pressing and the welding are repeated until the welding seams are all completed on four sides of the two batteries, so that the functions of automatically and comprehensively positioning, pressing and welding the welding seams on four sides of more than one battery and the negative end of the battery can be realized simultaneously.

Further: rotary mechanism 4 includes rotating electrical machines 13, driving gear 14, driven gear 15 and belt 16, and the drive end and the driving gear 14 of rotating electrical machines 13 are connected, are connected through belt 16 between driving gear 14 and the driven gear 15, and driven gear 15 is connected with screw rod 12 one end, and the logical groove 17 of stepping down that supplies rotating electrical machines 13 to place is seted up to positioning seat 3 lower extreme.

From the above description, after the horizontal battery and the vertical battery are respectively placed in the positioning slot 8 and the limiting through slot 9, the rotating motor 13, the driving gear 14, the driven gear 15 and the belt 16 are used, because the driving gear and the driven gear 15 are connected through the belt 16, the rotating motor 13 is started, the driving end of the rotating motor 13 drives the driving gear 14 to rotate, so as to drive the driven gear 15 and the screw 12 to rotate together, further drive the side pressure plate 5 and the pressing piece 6 to translate towards one side close to the positioning slot 3 along the width direction of the battery until the side pressure plate 5 presses the negative electrode end of the horizontal battery to the slot wall of the positioning slot 8, and the pressing piece 6 presses the negative electrode end of the vertical battery to the slot wall of the limiting through slot 9, so as to realize the effects of simultaneously and automatically performing secondary automatic positioning on the horizontal battery and the vertical battery and automatically pressing the positive and negative electrode ends of the battery; through setting up logical groove 17 of stepping down in positioning seat 3 lower extreme for hold rotating electrical machines 13, avoid rotating electrical machines 13 to occupy great volume, play the effect that improves locating component's space utilization.

Further: the translation driving part 11 comprises a support 19 and a translation cylinder 18, the translation cylinder 18 is installed on one side of the upper end of the support 19, an ejector rod of the translation cylinder 18 is connected with the closed end of the limiting plate 1, the bottom of the closed end of the limiting plate 1 is connected with a supporting block 20, the bottom end of the supporting block 20 is connected with a sliding block 21, and a guide rail 22 for the sliding block 21 to slide along the connecting line direction of the two sides of the positioning seat 3 is installed on one side of the positioning seat 3.

From the above description, after the side pressure plate 5 and the pressing piece 6 automatically position and press the positive and negative pole ends of the two batteries respectively, the translation cylinder 18 is started through the translation cylinder 18, the supporting block 20, the slider 21 and the guide rail 22, the ejector rod of the translation cylinder 18 extends to drive the limiting plate 1 and the supporting block 20 to directionally translate towards the other side direction of the positioning seat 3, so as to drive the upper pressure plate 7 to directionally translate towards the other side direction of the positioning seat 3 until the gap to be welded at the upper end of the transverse battery and the gap to be welded at the upper end of the vertical battery are exposed between the upper pressure plate 7 and one side of the positioning seat 3, thereby realizing the effect of positioning the transverse battery and the vertical battery for three times; .

Further: the pressing piece 6 comprises a side pressing block 23 used for pressing the upper side of the positive end of the vertical battery, a connecting rod 24 is connected between one side of the side pressing block 23 and one side of the side pressing plate 5, and a limiting channel 25 for the connecting rod 24 to penetrate and move is formed in the other side of the positioning seat 3.

From the above description, after the horizontal battery and the vertical battery are respectively placed in the positioning groove 8 and the limiting through groove 9, the lateral pressing block 23, the connecting rod 24 and the limiting channel 25 are passed through, when the rotating mechanism 4 drives the screw 12 to rotate, the lateral pressing plate 5 and the connecting rod 24 are driven to translate towards one side close to the positioning seat 3 along the width direction of the battery, because the lateral pressing block 23 is connected with the lateral pressing plate 5 through the connecting rod 24 between one side of the lateral pressing block 23 and one side of the lateral pressing plate 5, and then the lateral pressing block 23 is driven to push the vertical battery to be extruded with the groove wall of the limiting through groove 9, at this time, the negative pole current collecting piece of the vertical battery, the battery shell and the cover plate are compressed tightly, and the functions of automatically performing secondary positioning on the vertical battery and automatically compressing the positive and negative pole ends of the vertical battery are realized.

Further: locating component still includes supporting seat 26 and is used for compressing tightly and erects middle briquetting 27 in the middle of putting the battery positive terminal, middle briquetting 27 one end is connected with pivot 28, the rotatory hole 29 that supplies pivot 28 one end to pass is seted up to supporting seat 26 upper end, pivot 28 one end is equipped with baffle 31, be connected with compression spring 30 between baffle 31 and the supporting seat 26, the vertical first spacing groove 32 of placing of briquetting 27 in the middle of supplying is all seted up to the upper end of supporting seat 26, the horizontal second spacing groove 33 of placing of briquetting 27 in the middle of supplying is all seted up to supporting seat 26 upper end.

From the above description, after the pressing member 6 automatically presses the positive and negative pole ends of the vertically placed battery, the supporting seat 26, the middle pressing block 27, the rotating shaft 28, the baffle 31, the rotating hole, the compression spring 30, the first limiting groove 32 and the second limiting groove 33 are used to pull out the middle pressing block 27 and the rotating shaft 28 from the first limiting groove 32, and then rotate 90 ° toward the positive pole end close to the vertically placed battery until the middle pressing block 27 rotates into the second limiting groove 33, under the elastic force of the compression spring 30, the other end of the middle pressing block 27 presses the middle of the positive pole end of the vertically placed battery, so as to further realize the automatic positioning and pressing function of the positive and negative pole ends of the vertically placed battery.

And further: the side groove wall of the limiting through groove 9 far away from the side pressing plate 5 and the side groove wall of the positioning groove 8 far away from the side pressing plate 5 are located on the same plane, the welding gun mechanism 2 comprises a welding gun 34 and a transverse linear guide rail 35 driving the welding gun 34 to move horizontally along the length direction of a gap to be welded, the welding gun 34 is connected with a sliding block 21 of the transverse linear guide rail 35, and at least two groups of positioning assemblies, a translation driving piece 11 and a rotating mechanism 4 are arranged along the length direction of the transverse linear guide rail 35.

As can be seen from the above description, since the groove wall of the limiting through groove 9 on the side away from the side pressure plate 5 and the groove wall of the positioning groove 8 on the side away from the side pressure plate 5 are on the same plane, that is, the negative end of the transverse battery and the negative end of the vertical battery are on the same plane, when the transverse battery and the vertical battery are positioned and pressed, the motor of the transverse linear guide 35 is started through the transverse linear guide 35 and the welding gun 34, and the welding gun 34 moves and welds along the length direction of the to-be-welded seam along with the slider 21 of the transverse linear guide 35, so as to further improve the welding efficiency; through all setting up at least two sets ofly along horizontal linear guide 35's length direction with locating component, translation driving piece 11 and rotary mechanism 4, realize carrying out the function that the location compressed tightly simultaneously to a plurality of horizontal batteries and perpendicular battery of putting, and then realize further improving holistic location efficiency and welding efficiency's effect.

Further: the bottom end of the upper pressure plate 7 is provided with a guide channel 36 with an opening gradually expanding towards the direction close to the side pressure plate 5, and the guide channel 36 is positioned on the side of the upper pressure plate 7 far away from the translation driving piece 11.

From the above description, when the translational driving member 11 drives the upper pressing plate 7 to translate to the negative end of the battery, the guiding channel 36, which gradually expands toward the direction of the side pressing plate 5, gradually presses down the protruding cover plate or battery to the positioning groove 8, so as to avoid the damage of the cover plate and battery caused by the direct collision between the right-angle edge of the upper pressing plate 7 and the cover plate, and perform the functions of repositioning and adjusting the horizontal battery and the vertical battery and protecting the battery and the cover plate.

Further: the other two sides of the positioning seat 3 are provided with yielding grooves 37 which are convenient for grabbing transverse batteries and vertically placing batteries.

As can be seen from the above description, the receding grooves 37 formed in the other two sides of the positioning seat 3 have the functions of facilitating quick taking and placing of the transverse battery and the vertical battery, so as to further improve the overall positioning efficiency and welding efficiency.

Referring to fig. 2 to 7, an embodiment of the present invention is:

a welding and positioning device for a square battery cover plate is shown in figures 2 and 3 and comprises a welding gun mechanism 2 and a positioning assembly, wherein the positioning assembly comprises a positioning seat 3, a side pressure plate 5 used for pressing the positive end of a battery, a limiting plate 1 arranged in a U shape and an upper pressure plate 7 positioned above the positioning seat 3, and one side of the positioning seat 3 is sleeved between two open ends of the limiting plate 1;

as shown in fig. 3 and 4, two sides of the upper end of the positioning seat 3 are respectively provided with a positioning groove 8 for the horizontal placement of the power supply battery and a limiting through groove 9 for the vertical placement of the power supply battery, and a groove wall of one side of the limiting through groove 9 far away from the side pressing plate 5 and a groove wall of one side of the positioning groove 8 far away from the side pressing plate 5 are in the same plane; the other two sides of the positioning seat 3 are provided with abdicating grooves 37 convenient for grabbing transverse batteries and vertically placing batteries;

as shown in fig. 5 and 6, a screw 12 is connected to the other side of the positioning seat 3 through a screw thread, one end of the screw 12 is rotatably connected to the side platen 5, and the other end of the screw 12 is connected to the rotating mechanism 4.

As shown in fig. 5 and 6, the rotating mechanism 4 includes a rotating motor 13, a driving gear 14, a driven gear 15 and a belt 16, a driving end of the rotating motor 13 is connected with the driving gear 14, the driving gear 14 and the driven gear 15 are connected through the belt 16, the driven gear 15 is connected with one end of the screw 12, and a yielding through groove 17 for the rotating motor 13 to be placed is formed in the lower end of the positioning seat 3.

As shown in fig. 3 and 4, the two open ends of the limiting plate 1 are connected with the locking bolts 10 for locking the upper pressing plate 7 to the two batteries through threads, the locking bolts adopted in the embodiment are butterfly bolts, and are not limited to the structure, and other bolts capable of locking the upper pressing plate 7 to the two batteries can be adopted; the limiting plate 1 is connected with a translational driving piece 11 which drives the limiting plate to move towards the other side direction of the positioning seat 3; the translation driving part 11 comprises a support 19 and a translation cylinder 18, the translation cylinder 18 is installed on one side of the upper end of the support 19, an ejector rod of the translation cylinder 18 is connected with the closed end of the limiting plate 1, the bottom of the closed end of the limiting plate 1 is connected with a supporting block 20, the bottom end of the supporting block 20 is connected with a sliding block 21, and a guide rail 22 for the sliding block 21 to slide along the connecting line direction of the two sides of the positioning seat 3 is installed on one side of the positioning seat 3.

As shown in fig. 3 and 4, the side pressure plate 5 is located on one side of the positioning groove 8 away from the upper pressure plate 7, one side of the side pressure plate 5 is connected with a pressing piece 6 for pressing the positive end of the vertical battery, the pressing piece 6 comprises a side pressure block 23 for pressing one side of the positive end of the vertical battery, a connecting rod 24 is connected between one side of the side pressure block 23 and one side of the side pressure plate 5, and a limiting channel 25 for the connecting rod 24 to pass through and move is arranged on the other side of the positioning seat 3.

As shown in fig. 2, the welding gun mechanism 2 includes a welding gun 34 and a transverse linear guide 35 for driving the welding gun 34 to translate along the length direction of the gap to be welded, the welding gun 34 is connected with the slider 21 of the transverse linear guide 35, and the positioning assembly, the translation driving member 11 and the rotating mechanism 4 are all provided with at least two groups along the length direction of the transverse linear guide 35.

As shown in fig. 3 and 6, the positioning assembly further includes a supporting seat 26 and an intermediate pressing block 27 for pressing the middle of the positive end of the vertical battery, one end of the intermediate pressing block 27 is connected with a rotating shaft 28, a rotating hole 29 for one end of the rotating shaft 28 to pass through is formed in the upper end of the supporting seat 26, a baffle 31 is arranged at one end of the rotating shaft 28, a compression spring 30 is connected between the baffle 31 and the supporting seat 26, a first limiting groove 32 for vertical placement of the intermediate pressing block 27 is formed in the upper end of the supporting seat 26, and a second limiting groove 33 for horizontal placement of the intermediate pressing block 27 is formed in the upper end of the supporting seat 26.

As shown in fig. 7, the bottom end of the upper platen 7 is provided with a guide channel 36 which is gradually opened toward the side platen 5, and the guide channel 36 is located on the side of the upper platen 7 away from the translational drive member 11.

In conclusion, compared with the prior art, the battery positioning device has the advantages of high positioning efficiency, high welding efficiency and good pressing effect, and the positioning grooves 8 and the limiting through grooves 9 are used for initially positioning transversely placed batteries and vertically placed batteries and improving the positioning efficiency of the batteries; the secondary positioning and pressing effects on the transverse batteries and the vertical batteries are realized simultaneously and automatically through the rotating mechanism 4, the screw 12, the pressing piece 6 and the side pressing plate 5; the transverse batteries and the vertical batteries are positioned for three times through the translation driving piece 11, the limiting plate 1 and the upper pressing plate 7; the locking bolt 10 is screwed to realize the four-time positioning of the transverse batteries and the vertical batteries and the effect of ensuring the pressing effect of the transverse batteries and the vertical batteries, and the welding of the negative electrode end of the battery is automatically realized through the welding gun mechanism 2; after the two batteries are welded for two times, the positions of the transverse batteries and the vertical batteries are exchanged, and the positioning, the pressing and the welding are repeated until the welding of the welding seams on the four sides of the two batteries is finished; the utility model adopts the mode of simultaneously carrying out twice compaction and four times of positioning on the transverse batteries and the vertical batteries, does not need to additionally manufacture tools aiming at the gaps to be welded with different lengths, and can realize the functions of automatically and comprehensively positioning, compacting and welding more than one battery and the gaps to be welded at four sides of the battery.

The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples, and all technical solutions that fall under the spirit of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a square battery is welding position device for apron which characterized in that: the welding gun positioning device comprises a welding gun mechanism and a positioning assembly, wherein the positioning assembly comprises a positioning seat, a side pressure plate for tightly pressing the positive end of a battery, a limiting plate arranged in a U shape and an upper pressure plate positioned above the positioning seat, and one side of the positioning seat is sleeved between two open ends of the limiting plate; two sides of the upper end of the positioning seat are respectively provided with a positioning groove for horizontally placing a power supply battery and a limiting through groove for vertically placing the power supply battery, and two opening ends of the limiting plate are in threaded connection with locking bolts for locking the upper pressure plate on the two batteries; the limiting plate is connected with a translation driving piece which drives the limiting plate to move towards the other side direction of the positioning seat; the side pressing plate is located on one side, far away from the upper pressing plate, of the positioning groove, one side of the side pressing plate is connected with a pressing piece used for pressing the positive end of the vertical battery, a screw rod is in threaded connection with the other side of the positioning seat, one end of the screw rod is rotationally connected with the side pressing plate, and the other end of the screw rod is connected with a rotating mechanism.

2. The welding and positioning device for the square battery cover plate according to claim 1, wherein: rotary mechanism includes rotating electrical machines, driving gear, driven gear and belt, rotating electrical machines's drive end with the driving gear connection, the driving gear with pass through between the driven gear the belt is connected, driven gear with screw rod one end is connected, the confession has been seted up to the positioning seat lower extreme the logical groove of stepping down that rotating electrical machines placed.

3. The welding and positioning device for the square battery cover plate according to claim 1, characterized in that: the translation driving part comprises a support and a translation cylinder, the translation cylinder is installed on one side of the upper end of the support, an ejector rod of the translation cylinder is connected with the closed end of the limiting plate, a supporting block is connected to the bottom of the closed end of the limiting plate, a sliding block is connected to the bottom end of the supporting block, and a guide rail for the sliding block to slide along the line direction of the two sides of the positioning seat is installed on one side of the positioning seat.

4. The welding and positioning device for the square battery cover plate according to claim 1, wherein: the pressing piece comprises a side pressing block used for pressing the upper side of the positive end of the vertical battery, a connecting rod is connected between one side of the side pressing block and one side of the side pressing plate, and a limiting passage for the connecting rod to penetrate through and move is formed in the other side of the positioning seat.

5. The welding and positioning device for the square battery cover plate according to claim 1, wherein: the locating component further comprises a supporting seat and a middle pressing block used for pressing the middle of the positive end of the vertical battery, one end of the middle pressing block is connected with a rotating shaft, the upper end of the supporting seat is provided with a rotating hole through which one end of the rotating shaft penetrates, one end of the rotating shaft is provided with a baffle, a compression spring is connected between the baffle and the supporting seat, the upper end of the supporting seat is provided with a first limiting groove for vertical placement of the middle pressing block, and the upper end of the supporting seat is provided with a second limiting groove for horizontal placement of the middle pressing block.

6. The welding and positioning device for the square battery cover plate according to claim 1, wherein: the welding gun mechanism comprises a welding gun and a transverse linear guide rail, the welding gun is driven to translate along the length direction of a to-be-welded seam, the welding gun is connected with a sliding block of the transverse linear guide rail, and at least two groups of positioning assemblies, translation driving pieces and rotating mechanisms are arranged along the length direction of the transverse linear guide rail.

7. The welding and positioning device for the square battery cover plate according to claim 1, wherein: the bottom end of the upper pressure plate is provided with a guide channel with an opening gradually expanding towards the direction close to the side pressure plate, and the guide channel is positioned on one side of the upper pressure plate, which is far away from the translational driving piece.

8. The welding and positioning device for the square battery cover plate according to claim 1, wherein: the recess of stepping down of being convenient for snatch horizontal battery and erect the battery is all seted up to the other both sides of positioning seat.