CN108673028B - Welding fixture - Google Patents
Welding fixture Download PDFInfo
- Publication number
- CN108673028B CN108673028B CN201810842941.8A CN201810842941A CN108673028B CN 108673028 B CN108673028 B CN 108673028B CN 201810842941 A CN201810842941 A CN 201810842941A CN 108673028 B CN108673028 B CN 108673028B
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- Prior art keywords
- fastened
- supporting
- pressing
- battery box
- block
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- 238000003466 welding Methods 0.000 title claims abstract description 24
- 230000008093 supporting effect Effects 0.000 claims abstract description 92
- 230000006698 induction Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 description 8
- 239000004484 Briquette Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a welding fixture, comprising: a work table; a first clamping unit for supporting the battery case and positioning an electrical component mounting plate at a preset position of the front end inside the battery case, fastened to the table and located at the front end side of the battery case; a second clamping unit for supporting the battery box body and positioning a back rib plate at a preset position of the back side wall in the battery box body, wherein the second clamping unit is fastened on the workbench and positioned at the back end side of the battery box body; and the third clamping unit is used for supporting the battery box body, positioning the side rib plates and the middle rib plates at preset positions in the battery box body, and is fastened on the workbench and positioned at the left side and the right side of the battery box body. The welding fixture has the advantages of simple structure and convenient use.
Description
Technical Field
The invention relates to the technical field of welding clamps, in particular to a welding clamp for a battery box body.
Background
The welding jig is a device for holding a work object in a correct position during machine manufacturing to receive welding. In the manufacturing industry of battery cases for electric vehicles, the battery cases need to be welded after the processing is completed, and therefore, it is necessary to study a welding jig.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the welding fixture which has a simple structure and is convenient to use.
The technical scheme adopted for solving the technical problems is as follows: a welding fixture, comprising: a work table; a first clamping unit for supporting the battery case and positioning an electrical component mounting plate at a preset position of the front end inside the battery case, fastened to the table and located at the front end side of the battery case; a second clamping unit for supporting the battery box body and positioning a back rib plate at a preset position of the back side wall in the battery box body, wherein the second clamping unit is fastened on the workbench and positioned at the back end side of the battery box body; the third clamping unit is used for supporting the battery box body, positioning the side rib plates and the middle rib plates at preset positions in the battery box body, is fastened on the workbench and is positioned at the left side and the right side of the battery box body; the side rib plates are positioned at the inner left side wall and the inner right side wall of the battery box body, the middle rib plate is positioned between the electric element mounting plate and the back rib plate, the middle rib plate is parallel to the back rib plate, and a pair of backing plates which are turned outwards are formed at the bottom of the middle rib plate.
Preferably, the battery box support device further comprises a support unit arranged on the workbench and used for supporting the battery box body, wherein the support unit comprises a first driving cylinder fastened on the top end face of the workbench through a first cylinder seat, a bearing plate fastened on the top of the first cylinder seat, a first support block fastened on the bearing plate and used for supporting the battery box body, a bearing frame fastened on a piston rod of the first driving cylinder, and a second support block fastened on the bearing frame and used for supporting the battery box body, and the support unit is positioned in the center of the workbench.
Preferably, the first clamping unit comprises a first base fastened on the top end surface of the workbench, a first overturning cylinder fastened on the first base, a first overturning arm pivoted on the first overturning cylinder, a first extension arm fastened on the first overturning arm, a plurality of first pressing blocks fastened on the first extension arm and used for pressing the electric element mounting plate at preset positions at the front end inside the battery box, a plurality of third supporting blocks fastened on the first base and matched with the first pressing blocks for supporting the edge of the battery box, a second pressing block fastened on the first extension arm and used for pressing the edge of the battery box, and a fourth supporting block fastened on the first base and matched with the second pressing block for supporting the edge of the battery box, wherein the first pressing blocks and the third supporting blocks are arranged in a one-to-one correspondence.
Preferably, the battery box further comprises a first positioning pin arranged on the first clamping unit, wherein the first positioning pin is arranged on the first base through a first bearing block, and a first positioning pin hole matched with the first positioning pin is formed in the edge of the battery box.
Preferably, the second clamping unit comprises a driving unit arranged on the top end surface of the workbench, a second overturning cylinder arranged on the driving unit, a second overturning arm pivoted on the second overturning cylinder, a second base fastened on the top end surface of the workbench, a second extension arm fastened on the second overturning arm, a plurality of third pressing blocks fastened on the second extension arm and used for pressing the battery box, a plurality of fifth supporting blocks fastened on the second base and matched with the third pressing blocks for supporting the battery box, a fourth pressing block fastened on the second extension arm and used for pressing the back rib plate at a preset position of the back side wall in the battery box, a fifth pressing block fastened on the second extension arm and used for pressing the edge of the battery box, and a sixth supporting block fastened on the second base and matched with the fifth pressing block and used for supporting the edge of the battery box, wherein the third pressing block and the fifth supporting block are in correspondence to each other and used for supporting the edge of the battery box, and the fourth pressing block are correspondingly arranged on the back rib plate and the fourth pressing block are in a reciprocating mode, and the fourth pressing block is arranged on the back rib plate and the fourth pressing block is used for moving along the length of the top of the fourth overturning cylinder.
Preferably, the driving unit comprises a pair of linear guide rails fastened on the top end surface of the workbench through a fixed block, a movable plate fastened on the top end surface of the workbench through a sliding block, wherein the movable plate is arranged on the linear guide rails through a sliding block, and a second driving cylinder fastened on the top end surface of the workbench and used for driving the movable plate to do linear reciprocating motion on the linear guide rails, wherein a connecting block is fastened on the bottom end surface of the movable plate, and a piston rod of the second driving cylinder is connected with the movable plate through the connecting block.
Preferably, a limiting block is arranged on one side of the movable plate, an induction piece is arranged on the opposite side of the movable plate, the limiting block is fastened on the top end face of the workbench through a limiting seat, the induction piece is fastened on the movable plate, and a limiting sensor matched with the induction piece is arranged on the linear guide rail.
Preferably, the third clamping unit is symmetrically arranged at the left and right sides of the battery box body, the third clamping unit comprises a third base fastened on the top end surface of the workbench, a third overturning cylinder fastened on the third base, a third overturning arm pivoted on the third overturning cylinder, a third extension arm fastened on the third overturning arm, a sixth pressing block fastened on the third extension arm and pressed on the backing plate at one side of the middle rib plate, a seventh pressing block fastened on the third extension arm and pressed on the backing plate at the opposite side of the middle rib plate, a seventh supporting block and an eighth supporting block fastened on the third base and respectively matched with the sixth pressing block and the seventh pressing block, a third supporting block vertically inserted with a third positioning pin, an eighth pressing block fastened on the top end surface of the third extension arm and used for pressing the battery box body, a seventh pressing block fastened on the extension arm and used for positioning the battery box body at the side of the third extension arm and matched with the side of the ninth pressing block at the side of the ninth pressing block, a side of the battery box body and a side of the ninth pressing block matched with the ninth supporting block, wherein the ninth supporting block is positioned under the tenth pressing block, a first molded surface which is pressed on one side wall of the middle rib plate is molded on the sixth pressing block, a second molded surface which is pressed on the other opposite side wall of the middle rib plate is molded on the seventh pressing block, and a third positioning pin hole matched with the third positioning pin is formed on the top end surface of the middle rib plate.
Preferably, the battery box further comprises a second positioning pin arranged on the third clamping unit, wherein the second positioning pin is arranged on the third base through a second bearing block, and a second positioning pin hole matched with the second positioning pin is formed in the edge of the battery box.
Compared with the prior art, the invention has the beneficial effects that: the welding fixture provided by the invention has the advantages that the welding fixture respectively realizes the welding positioning of the electric element mounting plate, the back rib plate, the side rib plate and the middle rib plate through the first clamping unit, the second clamping unit and the third clamping unit, and has the advantages of simple structure and convenience in use; the third clamping unit can realize the welding and positioning of the side rib plates and the middle rib plates, effectively simplify the structure of the clamp, reduce the volume of the clamp and have the advantage of simple structure; the battery box body is stably supported on the workbench by the supporting unit, so that the positioning stability and reliability of the clamp can be effectively improved, and the welding quality can be improved; the battery box body can be reliably positioned through the first positioning pin and the second positioning pin, and the clamping quality of the clamp is improved to a certain extent.
Drawings
FIG. 1 is a schematic view of a welding fixture according to the present invention;
fig. 2 is a schematic structural view of the support unit of the present invention;
fig. 3 is a schematic view of the structure of the battery case of the present invention;
FIG. 4 is one of the schematic structural views of the first clamping unit of the present invention;
FIG. 5 is a second schematic structural view of the first clamping unit of the present invention;
FIG. 6 is one of the schematic structural views of the second clamping unit of the present invention;
FIG. 7 is a second schematic structural view of the second clamping unit of the present invention;
FIG. 8 is one of the schematic structural views of the third clamping unit of the present invention;
FIG. 9 is a second schematic structural view of a third clamping unit of the present invention;
FIG. 10 is a third schematic structural view of the third clamping unit of the present invention;
FIG. 11 is a schematic view of the structure of the back gusset of the present invention;
FIG. 12 is a schematic view of the structure of a side gusset of the present invention;
fig. 13 is a schematic structural view of a middle rib plate of the present invention.
In the figure: 10. a work table; 20. a supporting unit; 21. a first driving cylinder; 211. a first cylinder block; 22. a carrying plate; 221. a first support block; 23. a carrier; 231. a second support block; 30. a battery case; 301. a first positioning pin hole; 302. a second dowel hole; 31. an electrical component mounting board; 32. a back rib plate; 33. side rib plates; 331. a bending part; 34. middle rib plates; 341. a backing plate; 40. a first clamping unit; 41. a first overturning cylinder; 42. a first flip arm; 43. a first extension arm; 44. a first briquette; 45. a first base; 46. a third support block; 47. a second briquetting; 48. a fourth support block; 50. a second clamping unit; 51. a driving unit; 511. a movable plate; 512. a connecting block; 513. a second driving cylinder; 514. a fixed block; 515. a linear guide rail; 516. an induction piece; 517. a limiting block; 52. a second overturning cylinder; 521. a second flip arm; 53. a second base; 54. a second extension arm; 55. a third briquetting; 56. a fifth supporting block; 57. a sixth support block; 58. a fourth briquetting; 581. a third profile; 582. a fourth profile; 59. a fifth briquetting; 60. a third clamping unit; 61. a third base; 62. a third overturning cylinder; 621. a third flip arm; 63. a third extension arm; 64. a sixth briquetting; 641. a first profile; 642. a seventh support block; 65. a seventh briquette; 651. a second profile; 652. an eighth support block; 66. eighth briquetting; 67. a third locating pin; 671. a third support block; 68. a ninth briquetting; 69. a tenth briquetting; 691. a ninth support block; 70. a first positioning pin; 71. a first support block; 80. a second positioning pin; 81. and the second supporting block.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description; the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 3, the present invention provides a welding jig including: a work table 10; a first clamping unit 40 for supporting the battery case 30 and positioning the electric component mounting plate 31 at a preset position of the front end inside the battery case 30, which is fastened to the table 10 and located at the front end side of the battery case 30; a second clamping unit 50 for supporting the battery case 30 and positioning the back rib 32 at a preset position of the rear sidewall inside the battery case 30, fastened to the table 10 and located at the rear end side of the battery case 30; a third clamping unit 60 for supporting the battery case 30 and positioning the side rib plates 33 and the middle rib plates 34 at preset positions within the battery case 30, which is fastened to the table 10 and located at both left and right sides of the battery case 30; as shown in fig. 3, 11, 12 and 13, the side rib plates 33 are positioned at the inner left side wall and the inner right side wall of the battery case 30, a bent portion 331 is formed at one end of the side rib plates 33 near the electric component mounting plate 31, the middle rib plate 34 is positioned between the electric component mounting plate 31 and the back rib plate 32, the middle rib plate 34 is disposed parallel to the back rib plate 32, and a pair of pad plates 341 are formed at the bottom of the middle rib plate 34 to be turned outwards.
As an embodiment of the present solution, as shown in fig. 2, the battery box 30 supporting device further comprises a supporting unit 20 disposed on the table 10 and used for supporting the battery box 30, and the supporting unit comprises a first driving cylinder 21 fastened on the top end surface of the table 10 through a first cylinder seat 211, a bearing plate 22 fastened on the top of the first cylinder seat 211, a first supporting block 221 fastened on the bearing plate 22 and used for supporting the battery box 30, a bearing frame 23 fastened on a piston rod of the first driving cylinder 21, and a second supporting block 231 fastened on the bearing frame 23 and used for supporting the battery box 30, wherein the supporting unit 20 is located at the center of the table 10. In the present invention, the supporting unit 20 is divided into a fixed supporting part and a movable supporting part, the fixed supporting part comprises the bearing plate 22 and the first supporting block 221, the movable supporting part comprises the first driving cylinder 21, the bearing frame 23 and the second supporting block 231, the fixed supporting part and the movable supporting part realize the dual supporting of the battery box 30, the support is stable and reliable, the advantage of good supporting effect is provided, the first supporting block 221 and the second supporting block 231 are enclosed together to form a rectangular ring, and the purpose of the arrangement of the first supporting block 221 and the second supporting block 231 is that: so as to improve the stability and reliability of the support and have good support effect.
As an embodiment of the present solution, as shown in fig. 4 and 5, the first clamping unit 40 includes a first base 45 fastened to the top end surface of the table 10, a first tilting cylinder 41 fastened to the first base 45, a first tilting arm 42 pivoted to the first tilting cylinder 41, a first extension arm 43 fastened to the first tilting arm 42, a plurality of first pressing blocks 44 fastened to the first extension arm 43 for pressing the electrical component mounting plate 31 at a predetermined position at the inner front end of the battery case 30, a plurality of third supporting blocks 46 fastened to the first base 45 and cooperating with the first pressing blocks 44 for supporting the edge of the battery case 30, a second pressing block 47 fastened to the first extension arm 43 for pressing the edge of the battery case 30, and a fourth supporting block 48 fastened to the first base 45 and cooperating with the second pressing block 47 for supporting the edge of the battery case 30, wherein the first pressing blocks 44 and the third supporting blocks 46 are provided one by one. In the present invention, the number of the first clamping units 40 is set to 2, and the first clamping units 40 are located at two opposite sides of the electrical component mounting board 31, so that the following means: so that the force acting on the electrical component mounting plate 31 is relatively uniform and the clamping effect is good.
As an embodiment of the present solution, as shown in fig. 3 and 4, the battery box further includes a first positioning pin 70 disposed on the first clamping unit 40, where the first positioning pin 70 is disposed on the first base 45 through a first supporting block 71, and a first positioning pin hole 301 matched with the first positioning pin 70 is disposed at the edge of the battery box 30.
As an example of the present embodiment, as shown in fig. 6 and 7, the second clamping unit 50 includes a driving unit 51 provided on the top end surface of the table 10, a second tilting cylinder 52 provided on the driving unit 51, a second tilting arm 521 pivoted on the second tilting cylinder 52, a second base 53 fastened on the top end surface of the table 10, a second extension arm 54 fastened on the second tilting arm 521, a plurality of third pressing blocks 55 fastened on the second extension arm 54 for pressing the battery case 30, a plurality of fifth supporting blocks 56 fastened on the second base 53 and cooperating with the third pressing blocks 55 for supporting the battery case 30, a fourth pressing block 58 fastened on the second extension arm 54 for pressing the back rib 32 at a preset position of the back side wall in the battery case 30, a fifth pressing block 59 fastened on the second extension arm 54 for pressing the edge of the battery case 30, a fifth pressing block 59 fastened on the second extension arm 54 and cooperating with the fifth pressing block 57 for supporting the battery case 30, wherein the third pressing block 55 and the fifth supporting block 56 are arranged in a one-to-one correspondence, the fourth pressing block 58 is formed with a third molding surface 581 and a fourth molding surface 582 acting on the top end surface of the back rib plate 32, as shown in fig. 11, the third molding surface 581 is pressed on the top end surface M, the fourth molding surface 582 is pressed on the top end surface H, the top end surface M is a top horizontal end surface, the top end surface H is a top vertical end surface, the driving unit 51 drives the second overturning cylinder 52 to linearly reciprocate along the length direction of the back rib plate 32.
As an embodiment of the present solution, as shown in fig. 6 and 7, the driving unit 51 includes a pair of linear guides 515 fastened to the top surface of the table 10 by a fixing block 514, a movable plate 511 fastened to the top surface of the linear guides 515 by a sliding block and having the second overturning cylinder 52 fastened thereto, and a second driving cylinder 513 fastened to the top surface of the table 10 for driving the movable plate 511 to reciprocate linearly on the linear guides 515, wherein a connection block 512 is fastened to the bottom surface of the movable plate 511, and a piston rod of the second driving cylinder 513 is connected to the movable plate 511 by the connection block 512.
As an embodiment of the present disclosure, as shown in fig. 6 and 7, a limiting block 517 is disposed on one side of the movable plate 511, and an induction plate 516 is disposed on the opposite side, where the limiting block 517 is fastened on the top end surface of the workbench 10 through a limiting seat, the induction plate 516 is fastened on the movable plate 511, and a limiting sensor (not shown) matched with the induction plate 516 is disposed on the linear guide rail 515.
As an embodiment of the present solution, as shown in fig. 8 to 10, the third clamping unit 60 is symmetrically disposed on the left and right sides of the battery case 30, the third clamping unit 60 includes a third base 61 fastened on the top surface of the working table 10, a third turning cylinder 62 fastened on the third base 61, a third turning arm 621 pivoted on the third turning cylinder 62, a third extension arm 63 fastened on the third turning arm 621, a sixth pressing block 64 fastened on the third extension arm 63 and pressed on one side of the middle rib 34, a seventh pressing block 65 fastened on the third extension arm 63 and pressed on the other side of the middle rib 34 on the opposite side of the base 341, a seventh support block 642 and an eighth support block 652 fastened on the third base 61 and respectively engaged with the sixth pressing block 64 and the seventh pressing block 65, a third extension arm 63 fastened on the third base 62 and vertically inserted with a third positioning pin 67, a third extension block 671 provided on the third base 67 and pressed on the side of the third base 69, a tenth pressing block 69 positioned on the side of the middle rib 69 on the side of the tenth base 69 and the tenth base 69 of the eighth pressing block 69, and a tenth pressing block 69 positioned on the side of the tenth base 69 of the middle rib 33 for pressing the tenth pressing block 69 on the side of the tenth base 30 in the case 30, the sixth pressing block 64 is formed with a first molding surface 641 for being pressed on one side wall of the middle rib plate 34, the seventh pressing block 65 is formed with a second molding surface 651 for being pressed on the other opposite side wall of the middle rib plate 34, the ninth pressing block 68 is formed with a fifth molding surface, the fifth molding surface is pressed on the top end surface N of the side rib plate 33, the top end surface N is a side wall of the top turnover part of the side rib plate 33, the top end surface Q is a horizontal end surface of the top of the middle rib plate 34, and the top end surface Q of the middle rib plate 34 is formed with a third positioning pin hole matched with the third positioning pin 67.
As an embodiment of the present solution, as shown in fig. 3 and 10, the battery box further includes a second positioning pin 80 disposed on the third clamping unit 60, where the second positioning pin 80 is disposed on the third base 61 through a second supporting block 81, and a second positioning pin hole 302 matched with the second positioning pin 80 is disposed at the edge of the battery box 30.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (3)
1. A welding fixture, comprising:
a work table (10);
a first clamping unit (40) for supporting the battery case (30) and positioning an electrical component mounting plate (31) at a preset position of the front end inside the battery case (30), which is fastened to the table (10) and located at the front end side of the battery case (30);
a second clamping unit (50) for supporting the battery box (30) and positioning a back rib plate (32) at a preset position of the inner rear side wall of the battery box (30), which is fastened on the workbench (10) and positioned at the rear end side of the battery box (30);
a third clamping unit (60) for supporting the battery case (30) and positioning the side rib plates (33) and the middle rib plates (34) at preset positions in the battery case (30), which is fastened to the table (10) and located at both left and right sides of the battery case (30);
the side rib plates (33) are positioned at the inner left side wall and the inner right side wall of the battery box body (30), the middle rib plate (34) is positioned between the electric element mounting plate (31) and the back rib plate (32), the middle rib plate (34) is parallel to the back rib plate (32), and a pair of backing plates (341) which are turned outwards are formed at the bottom of the middle rib plate (34);
the welding fixture further comprises a supporting unit (20) which is arranged on the workbench (10) and used for supporting the battery box body (30) and comprises a first driving air cylinder (21) fastened on the top end surface of the workbench (10) through a first air cylinder seat (211), a bearing plate (22) fastened on the top of the first air cylinder seat (211), a first supporting block (221) fastened on the bearing plate (22) and used for supporting the battery box body (30), a bearing frame (23) fastened on a piston rod of the first driving air cylinder (21) and a second supporting block (231) fastened on the bearing frame (23) and used for supporting the battery box body (30), wherein the supporting unit (20) is positioned in the center of the workbench (10);
the first clamping unit (40) comprises a first base (45) fastened on the top end surface of the workbench (10), a first overturning cylinder (41) fastened on the first base (45), a first overturning arm (42) pivoted on the first overturning cylinder (41), a first extension arm (43) fastened on the first overturning arm (42), a plurality of first pressing blocks (44) fastened on the first extension arm (43) for pressing the electrical component mounting plate (31) at a preset position at the inner front end of the battery box (30), a plurality of third supporting blocks (46) fastened on the first base (45) and matched with the first pressing blocks (44) for supporting the battery box (30), a second pressing block (47) fastened on the first extension arm (43) for pressing the edge of the battery box (30), a plurality of first pressing blocks (44) fastened on the first base (45) and matched with the second pressing blocks (47) for supporting the edge of the battery box (30), wherein the first pressing blocks (46) are arranged in correspondence to the third supporting blocks (46);
the welding fixture further comprises a first positioning pin (70) arranged on the first clamping unit (40), wherein the first positioning pin (70) is arranged on the first base (45) through a first supporting block (71), and a first positioning pin hole (301) matched with the first positioning pin (70) is formed at the edge of the battery box body (30);
the second clamping unit (50) comprises a driving unit (51) arranged on the top end surface of the workbench (10), a second overturning cylinder (52) arranged on the driving unit (51), a second overturning arm (521) pivoted on the second overturning cylinder (52), a second base (53) fastened on the top end surface of the workbench (10), a second extension arm (54) fastened on the second overturning arm (521), a plurality of third pressing blocks (55) fastened on the second extension arm (54) for pressing the battery box body (30), a plurality of fifth supporting blocks (56) fastened on the second base (53) and matched with the third pressing blocks (55) for supporting the battery box body (30), a fourth pressing block (58) fastened on the second extension arm (54) for pressing the back rib plate (32) at a preset position on the inner rear side wall of the battery box body (30), a fifth pressing block (59) fastened on the second extension arm (54) for pressing the battery box body (30), and a fifth pressing block (59) matched with the fifth pressing block (59) for supporting the battery box body (30), the third pressing blocks (55) and the fifth supporting blocks (56) are arranged in one-to-one correspondence, a third molded surface (581) and a fourth molded surface (582) which act on the top end surface of the back rib plate (32) are formed on the fourth pressing blocks (58), and the driving unit (51) drives the second overturning cylinder (52) to linearly reciprocate along the length direction of the back rib plate (32);
the third clamping unit (60) is symmetrically arranged at the left side and the right side of the battery box body (30), the third clamping unit (60) comprises a third base (61) fastened on the top end surface of the workbench (10), a third overturning cylinder (62) fastened on the third base (61), a third overturning arm (621) pivoted on the third overturning cylinder (62), a third extension arm (63) fastened on the third overturning arm (621), a sixth pressing block (64) fastened on the third extension arm (63) and pressed on one side of the middle rib plate (34) on the base plate (341), a seventh pressing block (65) fastened on the third extension arm (63) and pressed on the other side of the middle rib plate (34) on the base plate (341), a seventh supporting block (642) fastened on the third base (61) and respectively matched with the sixth pressing block (64) and the seventh pressing block (65), a eighth supporting block (652) fastened on the third extension arm (63), a third pressing block (67) and a third pressing block (67) which are arranged on the middle rib plate (34) and is positioned on the top end surface of the eighth pressing block (671) in a vertical manner, A pair of ninth pressing blocks (68) fastened on the third extension arm (63) for positioning the side rib plates (33) on the inner left and right side walls of the battery box (30), a tenth pressing block (69) fastened on the third extension arm (63) for pressing on the edge of the battery box (30), a ninth supporting block (691) fastened on the third base (61) and matched with the tenth pressing block (69) for supporting the edge of the battery box (30), wherein the ninth supporting block (691) is positioned under the tenth pressing block (69), a first molded surface (641) for pressing on one side wall of the middle rib plate (34) is formed on the sixth pressing block (64), a second molded surface (651) for pressing on the opposite other side wall of the middle rib plate (34) is formed on the seventh pressing block (65), and a third positioning pin hole (67) matched with the third positioning pin is formed on the top end surface of the middle rib plate (34);
the welding fixture further comprises a second positioning pin (80) arranged on the third clamping unit (60), wherein the second positioning pin (80) is arranged on the third base (61) through a second supporting block (81), and a second positioning pin hole (302) matched with the second positioning pin (80) is formed in the edge of the battery box body (30).
2. Welding fixture according to claim 1, characterized in that the drive unit (51) comprises a pair of linear guides (515) fastened to the top end surface of the table (10) by means of fixed blocks (514), a movable plate (511) fastened to the top end surface of the second tilting cylinder (52) and arranged on the linear guides (515) by means of sliding blocks, a second drive cylinder (513) fastened to the top end surface of the table (10) for driving the movable plate (511) to reciprocate linearly on the linear guides (515), wherein a connecting block (512) is fastened to the bottom end surface of the movable plate (511), and the piston rod of the second drive cylinder (513) is connected to the movable plate (511) by means of the connecting block (512).
3. The welding fixture according to claim 2, wherein a limiting block (517) is arranged on one side of the movable plate (511), an induction sheet (516) is arranged on the other side of the movable plate, the limiting block (517) is fastened on the top end surface of the workbench (10) through a limiting seat, the induction sheet (516) is fastened on the movable plate (511), and a limiting sensor matched with the induction sheet (516) is arranged on the linear guide rail (515).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842941.8A CN108673028B (en) | 2018-07-27 | 2018-07-27 | Welding fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810842941.8A CN108673028B (en) | 2018-07-27 | 2018-07-27 | Welding fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108673028A CN108673028A (en) | 2018-10-19 |
| CN108673028B true CN108673028B (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810842941.8A Active CN108673028B (en) | 2018-07-27 | 2018-07-27 | Welding fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108673028B (en) |
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| CN113579622A (en) * | 2021-09-13 | 2021-11-02 | 苏州博劲丰机械科技有限公司 | Automatic welding and positioning device for automobile new energy battery pack box body |
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