CN213560763U

CN213560763U - A vehicle anti-collision beam energy-absorbing box welding fixture

Info

Publication number: CN213560763U
Application number: CN202022025913.2U
Authority: CN
Inventors: 邓德鹏; 赵超; 梁丽云; 赵平; 黄冬菊; 欧华春
Original assignee: Liuzhou Jingda Auto Parts Co ltd
Current assignee: Liuzhou Jingda Auto Parts Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-06-29
Anticipated expiration: 2030-09-16

Abstract

The utility model aims to provide a vehicle anti-collision beam energy-absorbing box welding fixture, which comprises a workbench, a support frame, a bottom plate clamping mechanism, a side clamping mechanism I, a side clamping mechanism II, and a center clamping mechanism; the support frame is installed In the middle of the worktable, there are two bottom plate clamping mechanisms, which are respectively located on both sides of the worktable, on the front and rear sides of the support frame, and are used to respectively clamp the front and rear sides of the bottom plate of the parts to be welded; side clamping mechanism I , The side clamping mechanism II is set on the worktable, respectively on the left and right sides of the support frame. The side clamping mechanism I is used to clamp the left side of the parts to be welded from left to right, and the side clamping mechanism II It is used to clamp the right side of the parts to be welded from right to left; the central clamping mechanism includes base I, support arm, connecting plate, cylinder I, clamping plate I, clamping block I, and clamping block II. The fixture overcomes the defects of the prior art, and has the characteristics of reasonable structure, high clamping precision and convenient operation.

Description

Welding fixture for energy absorption box of vehicle anti-collision cross beam

Technical Field

The utility model relates to an automobile parts welding equipment field, concretely relates to vehicle anticollision crossbeam energy-absorbing box welding jig.

Background

The vehicle anti-collision beam energy absorption box is an important part which has great influence on the performance of a vehicle anti-collision beam and plays an important role in relieving impact energy when the vehicle is impacted, the vehicle anti-collision beam energy absorption box is generally formed by welding a plurality of sub-components, and the sub-components are more, so that the vehicle anti-collision beam energy absorption box has higher requirements on welding clamping precision, and the existing welding clamp has the defects of inconvenient welding operation and low welding precision.

Disclosure of Invention

The utility model aims at providing a vehicle anticollision crossbeam energy-absorbing box welding jig, this anchor clamps overcome prior art defect, have rational in infrastructure, centre gripping precision is high, the characteristics of simple operation.

The technical scheme of the utility model as follows:

a welding fixture for an energy absorption box of a vehicle anti-collision crossbeam comprises a workbench, a support frame, a bottom plate clamping mechanism, a side clamping mechanism I, a side clamping mechanism II and a center clamping mechanism;

the two bottom plate clamping mechanisms are respectively arranged on two sides of the workbench, are positioned on the front side and the rear side of the supporting frame and are used for respectively clamping the front side and the rear side of the bottom plate of the part to be welded; the side clamping mechanism I and the side clamping mechanism II are arranged on the workbench and are respectively positioned on the left side and the right side of the support frame, the side clamping mechanism I is used for clamping the left side part of the part to be welded from left to right, and the side clamping mechanism II is used for clamping the right side part of the part to be welded from right to left;

the central clamping mechanism comprises a base I, a supporting arm, a connecting plate, a cylinder I, a clamping plate I, a clamping block I and a clamping block II, wherein the base I is arranged on the workbench and positioned at the right rear side of the supporting frame; and the four clamping blocks II are respectively positioned on the periphery of the bottom of the clamping plate I and used for clamping the left side part and the right side part of the part to be welded from top to bottom.

Preferably, the bottom plate clamping mechanism comprises a base II, an air cylinder II, a clamping plate II and a clamping block III, the base II is arranged on the front side or the rear side edge of the workbench, the lower part of the base II extends downwards to the lower part of the workbench, the cylinder body of the air cylinder II is hinged with the lower part of the base II, the piston rod of the air cylinder II extends vertically upwards, one end of the clamping plate II is hinged with the top of the piston rod of the air cylinder II, the other end of the clamping plate II extends towards the middle part of the workbench, the middle part of the clamping plate II is hinged with the top of the base II, and the clamping block III is fixedly arranged at the other end of the clamping plate II; and the clamping plate II can rotate in the vertical direction around the hinged position of the clamping plate II and the base II under the driving of a piston rod of the cylinder II.

Preferably, the side clamping mechanism I comprises a base III, two guide rails, a sliding block, a cylinder III, a connecting rod, a clamping plate III and a clamping block IV, the two guide rails are arranged on the workbench in the front-rear direction and located on the left side of the supporting frame, the guide rails extend in the left-right direction, the base III is connected with the guide rails through the sliding blocks at the bottom of the base III, the cylinder III is arranged at the bottom of the workbench in the horizontal direction and located below the supporting frame, a piston rod of the cylinder III extends leftwards, the bottom of the connecting rod is connected with the end of the piston rod of the cylinder III, and the upper part of the connecting rod extends upwards through the workbench and then is connected with the bottom of the base III; a piston rod of the air cylinder III drives the base III to slide along the guide rail in the left-right direction; the clamping plate III is arranged at the top of the base III and extends towards the right side, the clamping block IV is U-shaped and is arranged at the right end of the clamping plate III, and the clamping block IV is used for clamping the left side part of a part to be welded from left to right.

Preferably, the welding fixture further comprises a limiting column I, wherein the limiting column I is arranged on the right side of the clamping block IV and is used for penetrating through a mounting hole in the side face of the left side portion of the part to be welded.

Preferably, the side clamping mechanism II comprises a base IV, a cylinder IV, a clamping plate IV and a clamping block V, the base IV is arranged on the workbench and located on the right side of the supporting frame, a cylinder body of the cylinder IV is arranged at the top of the base IV, a piston rod of the cylinder IV extends towards the left side, the clamping plate IV is arranged at the left end of the piston rod of the cylinder IV, the clamping block V is U-shaped and arranged at the left end of the clamping plate IV, and the clamping block V is used for clamping the right side part of a part to be welded from right to left.

Preferably, the welding fixture further comprises a limiting column II, wherein the limiting column II is arranged on the left side of the clamping block V and is used for penetrating through a mounting hole in the side face of the right side of the part to be welded.

The working process of the utility model is as follows:

placing a bottom plate on a support frame, clamping and fixing the bottom plate through a bottom plate clamping mechanism, placing a left side part and a right side part on the bottom plate, splicing the left side part and the right side part into a whole, starting a cylinder I of a central clamping mechanism to support the insides of the left side part and the right side part, and clamping the tops of the left side part and the right side part; and a cylinder III for opening the side clamping mechanism I clamps the left side part, a cylinder IV for opening the side clamping mechanism II clamps the right side part, the clamping process of the part to be welded is completed, and the subsequent welding process is started.

The utility model respectively clamps the bottom, the upper part and the left side and the right side of the part to be welded through the bottom plate clamping mechanism, the central clamping mechanism, the side clamping mechanism I and the side clamping mechanism II, thereby ensuring the clamping strength of the part to be welded;

the bottom plate clamping mechanism drives the clamping plate to swing through the air cylinder, so that the clamping and the loosening of the bottom plate are more convenient and fast, and the clamping efficiency is improved;

the central clamping mechanism adopts a structure that the air cylinder drives the clamping block to move up and down, so that the upper part of the part is quickly clamped, and the central clamping mechanism is matched with the rest clamping mechanisms to complete comprehensive clamping;

the side clamping mechanism I adopts a guide rail and sliding block mechanism, so that the smoothness of the clamping process is improved, the air cylinder III is arranged at the bottom of the workbench, the arrangement of each part is optimized, and the occupied space is reduced;

the structure of spacing post I, spacing post II cooperates the mounting hole of part, further improves the stability of centre gripping.

Drawings

FIG. 1 is a schematic structural view of a vehicle anti-collision beam energy-absorbing box welding fixture provided by the present invention;

FIG. 2 is a schematic structural view of a central clamping mechanism of the welding fixture for the energy-absorbing box of the anti-collision beam of the vehicle provided by the utility model;

FIG. 3 is a schematic structural view of a side clamping mechanism I of the vehicle anti-collision beam energy-absorbing box welding fixture provided by the utility model;

FIG. 4 is a schematic structural view of a side clamping mechanism II of the welding fixture for the energy absorption box of the anti-collision beam of the vehicle provided by the utility model;

the names and serial numbers of the parts in the figure are as follows:

the device comprises a worktable 1, a support frame 2, a floor clamping mechanism 3, a side clamping mechanism I4, a side clamping mechanism II 5, a center clamping mechanism 6, a bottom plate 7, a left side part 8 and a right side part 9, wherein the worktable is arranged on the worktable;

31 is a base II, 32 is a cylinder II, 33 is a clamping plate II, and 34 is a clamping block III;

41 is a base III, 42 is a guide rail, 43 is a sliding block, 44 is a cylinder III, 45 is a connecting rod, 46 is a clamping plate III, 47 is a clamping block IV, and 48 is a limiting column I;

51 is a base IV, 52 is a cylinder IV, 53 is a clamping plate IV, 54 is a clamping block V, and 55 is a limiting column II;

61 is base I, 62 are the support arm, and 63 are the connecting plate, and 64 is cylinder I, and 65 are the clamp plate I, and 66 is for pressing from both sides tight piece I, and 67 is for pressing from both sides tight piece II.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1-4, the welding jig for the energy absorption box of the vehicle anti-collision beam provided by the embodiment comprises a workbench 1, a support frame 2, a bottom plate clamping mechanism 3, a side clamping mechanism i 4, a side clamping mechanism ii 5 and a center clamping mechanism 6;

the two supporting frames 2 are arranged in the middle of the workbench 1, and the two bottom plate clamping mechanisms 3 are respectively arranged on two sides of the workbench 1, are positioned on the front side and the rear side of the supporting frames 2 and are used for respectively clamping the front side and the rear side of a bottom plate 7 of a part to be welded; the side clamping mechanism I4 and the side clamping mechanism II 5 are arranged on the workbench 1 and are respectively positioned on the left side and the right side of the support frame 2, the side clamping mechanism I4 is used for clamping the left side part 8 of the part to be welded from left to right, and the side clamping mechanism II 5 is used for clamping the right side part of the part to be welded from right to left;

the central clamping mechanism 6 comprises a base I61, a supporting arm 62, a connecting plate 63, a cylinder I64, a clamping plate I65, a clamping block I66 and a clamping block II 67, the base I61 is arranged on the workbench 1 and positioned at the right rear part of the support frame 2, the support arm 62 is arranged at the front side of the base I61 and extends vertically upwards, the connecting plate 63 is arranged on the front side of the top of the supporting arm 62 and extends horizontally leftwards, the cylinder body of the cylinder I64 is arranged on the front side of the left end of the connecting plate 63 and is positioned right above the center of the supporting frame 2, the piston rod of the air cylinder I64 extends vertically downwards, the clamping plate I65 is arranged at the bottom of the piston rod of the air cylinder I64, the clamping block I66 is arranged in the middle of the bottom of the clamping plate I65, the bottom of the clamping block I66 extends to the periphery to be in contact with the inner sides of the left side part 8 and the right side part of the part to be welded, and the clamping block I66 is used for supporting the left side part 8 and the right side part of the part to be welded from inside to outside; the four clamping blocks II 67 are respectively positioned on the periphery of the bottom of the clamping plate I65 and used for clamping the left side part 8 and the right side part 9 of the part to be welded from top to bottom;

the bottom plate clamping mechanism 3 comprises a base II 31, an air cylinder II 32, a clamping plate II 33 and a clamping block III 34, the base II 31 is arranged on the front side or the rear side edge of the workbench 1, the lower part of the base II 31 extends downwards to the lower part of the workbench 1, the cylinder body of the air cylinder II 32 is hinged to the lower part of the base II 31, the piston rod of the air cylinder II 32 extends vertically upwards, one end of the clamping plate II 33 is hinged to the top of the piston rod of the air cylinder II 32, the other end of the clamping plate II 33 extends towards the middle part of the workbench 1, the middle part of the clamping plate II 33 is hinged to the top of the base II 31, and the clamping block III 34 is fixedly arranged at the other end of the clamping plate; the clamping plate II 33 can rotate in the vertical direction around the hinged position of the clamping plate II and the base II 31 under the driving of a piston rod of the air cylinder II 32;

the side clamping mechanism I4 comprises a base III 41, two guide rails 42, a sliding block 43, two cylinders III 44, a connecting rod 45, a clamping plate III 46 and a clamping block IV 47, the two guide rails 42 are arranged on the workbench 1 along the front-back direction and are positioned on the left side of the supporting frame 2, the guide rails 42 extend along the left-right direction, the base III 41 is connected with the guide rails 42 through the sliding blocks 43 at the bottom of the base III 41, the cylinders III 44 are arranged at the bottom of the workbench 1 along the horizontal direction and are positioned below the supporting frame 2, piston rods of the cylinders III 44 extend leftwards, the bottom of the connecting rod 45 is connected with the end parts of the piston rods of the cylinders III 44, and the upper parts of the connecting rod extend upwards through the workbench 1 and then are connected with the bottom of the base; a piston rod of the air cylinder III 44 drives the base III 41 to slide along the guide rail 42 in the left-right direction; the clamping plate III 46 is arranged at the top of the base III 41 and extends to the right side, the clamping block IV 47 is U-shaped and is arranged at the right end of the clamping plate III 46, and the clamping block IV 47 is used for clamping the left side part 8 of the part to be welded from left to right;

the welding fixture further comprises a limiting column I48, wherein the limiting column I48 is arranged on the right side of the clamping block IV 47 and is used for penetrating through a mounting hole in the side face of the left side part 8 of the part to be welded;

the side clamping mechanism II 5 comprises a base IV 51, an air cylinder IV 52, a clamping plate IV 53 and a clamping block V54, the base IV 51 is arranged on the workbench 1 and positioned on the right side of the support frame 2, the cylinder body of the air cylinder IV 52 is arranged at the top of the base IV 51, the piston rod of the air cylinder IV 52 extends towards the left side, the clamping plate IV 53 is arranged at the left end of the piston rod of the air cylinder IV 52, the clamping block V54 is U-shaped and arranged at the left end of the clamping plate IV 53, and the clamping block V54 is used for clamping the right side part 9 of a part to be welded from right to left;

the welding fixture further comprises a limiting column II 55, wherein the limiting column II 55 is arranged on the left side of the clamping block V54 and is used for penetrating through a mounting hole in the side face of the right side part 9 of the part to be welded.

The working process of the embodiment is as follows:

the part that will be located the bottom and treat the welding is placed on supporting mechanism, supports through supporting mechanism, will be located the left part in upper portion and press from both sides tightly through fixture I, will be located the part on upper portion right side and press from both sides tightly through fixture II, accomplishes the clamping operation of part, begins welding operation, and among the welding process, can drive the workstation through the pivot according to the difference of welding part and rotate to the angle of regulation part is convenient for accomplish the welding.

The "left side" and the "right side" in this embodiment correspond to the left side and the right side with respect to the table in fig. 1, i.e., the negative direction and the positive direction of the x-axis, respectively, and the "front side" and the "rear side" correspond to the side facing outward from the paper and the side facing inward from the paper in fig. 1, i.e., the negative direction and the positive direction of the y-axis, respectively.

Claims

1. A vehicle anti-collision beam energy-absorbing box welding fixture, comprising a workbench (1), a support frame (2), a bottom plate clamping mechanism (3), a side clamping mechanism I (4), and a side clamping mechanism II ( 5), the central clamping mechanism (6), characterized in that:

The support frame (2) is installed in the middle of the workbench (1), and the bottom plate clamping mechanism (3) is provided with two, which are respectively arranged on both sides of the workbench (1), and are located on the side of the support frame (2). The front and rear sides are used to respectively clamp the front and rear sides of the base plate (7) of the parts to be welded; the side clamping mechanism I (4) and the side clamping mechanism II (5) are both located on the workbench (1) On the left and right sides of the support frame (2), the side clamping mechanism I (4) is used to clamp the left side (8) of the parts to be welded from left to right. The clamping mechanism II (5) is used to clamp the right side of the parts to be welded from right to left;

The central clamping mechanism (6) includes a base I (61), a support arm (62), a connecting plate (63), a cylinder I (64), a clamping plate I (65), and a clamping block I (66) , Clamping block II (67), the base I (61) is set on the workbench (1), located at the right rear of the support frame (2), and the support arm (62) is set on the base I (61) ) front side, extending vertically upward, the connecting plate (63) is arranged on the front side of the top of the support arm (62), extending horizontally to the left, the cylinder body of the cylinder I (64) is arranged on the connecting plate (63) ) on the front side of the left end, located just above the center of the support frame (2), the piston rod of the cylinder I (64) extends vertically downward, and the clamping plate I (65) is arranged on the cylinder I (64) The bottom of the piston rod, the clamping block I (66) is arranged in the middle of the bottom of the clamping plate I (65), and the bottom of the clamping block I (66) extends around the left side (8) of the parts to be welded. ) and the inner side of the right side are used to support the left side (8) and the right side of the parts to be welded from the inside to the outside; the clamping block II (67) is provided with four pieces, which are respectively located on the clamping plate The periphery of the bottom of I (65) is used to clamp the left part (8) and the right part (9) of the parts to be welded from top to bottom.

2. The vehicle anti-collision beam energy-absorbing box welding fixture as claimed in claim 1, characterized in that:

The bottom plate clamping mechanism (3) includes a base II (31), a cylinder II (32), a clamping plate II (33), and a clamping block III (34). The lower part of the front or rear edge of the table (1) extends downward to the bottom of the work table (1). The cylinder block of the cylinder II (32) is hinged with the lower part of the base II (31). The piston rod extends vertically upward, one end of the clamping plate II (33) is hinged with the top of the piston rod of the cylinder II (32), and the other end extends toward the middle of the workbench (1). The middle part of (33) is hinged with the top of the base II (31), and the clamping block III (34) is fixedly installed on the other end of the clamping plate II (33); the clamping plate II (33) can be Driven by the piston rod of the cylinder II (32), it rotates in the vertical direction around its hinged joint with the base II (31).

3. The vehicle anti-collision beam energy-absorbing box welding fixture as claimed in claim 1, characterized in that:

The side clamping mechanism I (4) includes a base III (41), a guide rail (42), a slider (43), a cylinder III (44), a connecting rod (45), a clamping plate III (46), a clamp The tightening block IV (47) has two said guide rails (42), which are arranged on the workbench (1) in the front-rear direction, and are located on the left side of the support frame (2). The said guide rails (42) extend Extending in the left and right direction, the base III (41) is connected with the guide rail (42) through the slider (43) at the bottom, and the cylinder III (44) is arranged at the bottom of the workbench (1) along the horizontal direction, at the support Below the frame (2), the piston rod of the cylinder III (44) extends to the left, the bottom of the connecting rod (45) is connected with the end of the piston rod of the cylinder III (44), and the upper part extends upward through The worktable (1) is connected with the bottom of the base III (41); the piston rod of the cylinder III (44) drives the base III (41) to slide along the guide rail (42) in the left-right direction; the clamping plate III (46) is located on the top of the base III (41), extending to the right side, the clamping block IV (47) is U-shaped, and is located at the right end of the clamping plate III (46). IV (47) is used to clamp the left part (8) of the part to be welded from left to right.

4. The vehicle anti-collision beam energy-absorbing box welding fixture as claimed in claim 3, characterized in that:

It also includes a limit post I (48), the limit post I (48) is arranged on the right side of the clamping block IV (47), and is used to penetrate the mounting hole on the side of the left side (8) of the part to be welded .

5. The vehicle anti-collision beam energy-absorbing box welding fixture of claim 1, wherein:

The side clamping mechanism II (5) includes a base IV (51), a cylinder IV (52), a clamping plate IV (53), and a clamping block V (54). On the workbench (1), located on the right side of the support frame (2), the cylinder body of the cylinder IV (52) is arranged on the top of the base IV (51), and the piston rod of the cylinder IV (52) extends to the left , the clamping plate IV (53) is installed on the left end of the piston rod of the cylinder IV (52), and the clamping block V (54) is U-shaped and is located at the left end of the clamping plate IV (53), The clamping block V (54) is used to clamp the right side part (9) of the part to be welded from right to left.

6. The vehicle anti-collision beam energy-absorbing box welding fixture as claimed in claim 5, wherein:

It also includes a limit post II (55), the limit post II (55) is arranged on the left side of the clamping block V (54), and is used to penetrate the mounting hole on the side of the right part (9) of the part to be welded .