CN217045175U

CN217045175U - Automobile longitudinal beam assembly welding jig

Info

Publication number: CN217045175U
Application number: CN202121462980.9U
Authority: CN
Inventors: 闫哲伟; 卢明海
Original assignee: Jilin Prosperity Auto Parts Co ltd
Current assignee: Jilin Prosperity Auto Parts Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-07-26
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to the technical field of welding fixtures, and discloses a welding fixture for automobile longitudinal beam assemblies, which solves the problem that the fixtures for welding longitudinal beams in the current market cannot adjust the height and are inconvenient to butt the longitudinal beams at two ends when in use, and comprises a base, wherein a first supporting column and a second supporting column are fixedly arranged on the base, a lifting column capable of moving up and down is arranged inside the second supporting column, clamping plates are fixedly arranged at the top ends of the first supporting column and the lifting column, a rotating handle is also arranged on the base and is positioned at the side surface of the second supporting column, a screw hole is arranged at one side of the clamping plate, and an adjusting bolt is arranged at one side of the clamping plate provided with the screw hole, the utility model discloses a welding fixture for automobile longitudinal beam assemblies, which has the advantages that the fixing height of the fixtures for longitudinal beams can be conveniently adjusted, so that the butt joint between the longitudinal beams at two ends can be better completed after the longitudinal beams at two ends are fixedly clamped, the subsequent welding work is convenient.

Description

Automobile longitudinal beam assembly welding jig

Technical Field

The utility model belongs to the technical field of welding jig, specifically be an automobile longitudinal beam assembly welding jig.

Background

The frame is the most important bearing part in the automobile, the frame longitudinal beam is one of key parts in the frame longitudinal beam, so the longitudinal beam plays an important bearing role on the automobile, the side beam type frame, the middle beam type frame and the like of the automobile comprise the longitudinal beam, the longitudinal beam can be divided into a longitudinal beam front section and a longitudinal beam rear section generally, and the longitudinal beam assembly is formed by welding the longitudinal beam front section and the longitudinal beam rear section together.

And can use anchor clamps when welding the longeron assembly, accomplish through anchor clamps and press from both sides tight fixed to the longeron, then weld it again, but common anchor clamps are when using, generally can not carry out the regulation of height to it, just can be when butt joint both ends longeron, inconvenient align it, just so can influence subsequent weldment work. Thereby delaying a certain work efficiency.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a car longeron assembly welding jig, the effectual anchor clamps that are used for welding the longeron on the solution existing market can not carry out the regulation of height when using, is not convenient for accomplish the problem of butt joint with the both ends longeron.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a car longeron assembly welding jig, includes the base, fixed mounting has first support column and second support column on the base, and is provided with the lift post that can reciprocate in the inside of second support column, and has splint at the equal fixed mounting in the top of first support column and lift post, still be provided with the rotation handle on the base, and rotate the side that the handle is located the second support column, the screw has been seted up to one side of splint, and is provided with the adjusting bolt in the one side that the screw was seted up to splint, and the one end of adjusting bolt runs through the screw and extends to between the splint, the one end fixed mounting that the adjusting bolt is located between the splint has the stripper plate.

Furthermore, the adjusting bolt is in threaded connection with the screw hole, and the diameter of the extrusion plate is larger than that of the screw hole.

Furthermore, the lifting column is slidably mounted in the second supporting column, a connecting rod is arranged in the lifting column, one end, far away from the lifting column, of the connecting rod penetrates through the base and extends to the bottom of the base, and a second gear is fixedly mounted at one end, located at the bottom of the base, of the connecting rod.

Furthermore, the central point of rotation handle bottom puts the rigid coupling has the connecting rod, and the one end that the rotation handle was kept away from to the connecting rod runs through the base and extends to its bottom, and the one end fixed mounting that the connecting rod is located the base bottom has first gear, the outer wall of first gear and the outer wall meshing of second gear are connected.

Furthermore, a limiting groove is formed in the base, a limiting ring is fixedly mounted on the outer wall of the connecting rod, and the limiting ring is located in the limiting groove and can rotate inside the limiting groove.

Furthermore, the upper half part of the connecting rod is uniformly provided with a screw groove, the inner wall of the lifting column is uniformly provided with threads, and the outer wall of the connecting rod is in threaded connection with the inner wall of the lifting column.

Compared with the prior art, the beneficial effects of the utility model are that:

when the device is used, firstly, the longitudinal beams at two ends are respectively fixed on the two clamping plates, the adjusting bolts are screwed to enable the adjusting bolts to rotate in the screw holes in a threaded manner, the extrusion plates are pushed to fix the positions of the longitudinal beams, then the rotating handles are screwed to enable the adjusting bolts to drive the connecting rods to rotate with the first gears, the first gears drive the second gears which are in meshed connection with the first gears to rotate, the second gears drive the connecting rods to rotate in the internal threads of the lifting columns, and the lifting columns cannot rotate in the second supporting columns, so that the lifting columns can only ascend or descend in the positions of the second supporting columns, therefore, the height of the clamping plates on the lifting columns can be adjusted, the longitudinal beams at two ends can be conveniently butted, and then welding work is completed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a side view of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of a side surface of the clamping plate of the present invention;

FIG. 4 is a schematic view of the structure of the lifting column connected to the connecting rod of the present invention;

in the figure: 1. a base; 2. a first support column; 3. a second support column; 4. rotating the handle; 5. a splint; 6. a first gear; 7. a lifting column; 8. a connecting rod; 9. a limiting groove; 10. a limiting ring; 11. a second gear; 12. a connecting rod; 51. a screw hole; 52. adjusting the bolt; 53. and (5) extruding the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Embodiment one, given by fig. 1-4, the utility model discloses a base 1, fixed mounting has first support column 2 and second support column 3 on the base 1, and be provided with the lift post 7 that can reciprocate in the inside of second support column 3, and there is splint 5 at the equal fixed mounting in top of first support column 2 and lift post 7, still be provided with on the base 1 and rotate handle 4, and rotate handle 4 and be located the side of second support column 3, screw 51 has been seted up to one side of splint 5, and be provided with adjusting bolt 52 in the one side that bolt 51 was seted up to splint 5, and the one end of adjusting bolt 52 runs through screw 51 and extends to between the splint 5, one end fixed mounting that adjusting bolt 52 is located between the splint 5 has stripper plate 53.

In the second embodiment, in addition to the first embodiment, the adjusting bolt 52 is screwed into the screw hole 51, the diameter of the pressing plate 53 is larger than that of the screw hole 51, and the adjusting bolt 52 is screwed and rotated inside the screw hole 51, so that the pressing plate 53 is pushed against the side member between the clamping plates 5, and the position fixing of the side member is completed.

In the third embodiment, on the basis of the first embodiment, the lifting column 7 is slidably installed inside the second supporting column 3, and an engaging rod 8 is arranged inside the lifting column 7, one end of the engaging rod 8, which is far away from the lifting column 7, penetrates through the base 1 and extends to the bottom of the base, and one end of the engaging rod 8, which is located at the bottom of the base 1, is fixedly installed with a second gear 11.

In the fourth embodiment, on the basis of the first embodiment, a connecting rod 12 is fixedly connected to the center of the bottom of the rotating handle 4, and one end of the connecting rod 12 far away from the rotating handle 4 penetrates through the base 1 and extends to the bottom of the base, and one end of the connecting rod 12 positioned at the bottom of the base 1 is fixedly provided with a first gear 6, the outer wall of the first gear 6 is meshed and connected with the outer wall of a second gear 11, the connecting rod 12 and the first gear 6 are driven to rotate by screwing the rotating handle 4, the first gear 6 drives the second gear 11 which is in meshed connection with the first gear to rotate, then the second gear 11 drives the connecting rod 8 to rotate in the lifting column 7, the connecting rod 8 is in threaded connection with the lifting column 7, and because the lifting column 7 cannot rotate in the second supporting column 3, therefore, the lifting column 7 moves upwards due to the rotation of the connecting rod 8, so that the clamping plate 5 is driven to lift, and the purpose of changing the height of the clamping plate 5 is achieved.

In the fifth embodiment, on the basis of the first embodiment, the base 1 is provided with a limiting groove 9 inside, the outer wall of the joint rod 8 is fixedly provided with a limiting ring 10, the limiting ring 10 is located inside the limiting groove 9 and can rotate inside the limiting groove, and the limiting ring 10 plays a role in limiting the position of the joint rod 8, so that the joint rod can rotate at the fixed position.

In the sixth embodiment, on the basis of the third embodiment, the upper half part of the connecting rod 8 is uniformly provided with a screw groove, the inner wall of the lifting column 7 is uniformly provided with threads, and the outer wall of the connecting rod 8 is connected with the inner wall of the lifting column 7 through the threads.

The working principle is as follows: firstly, the longitudinal beams at two ends are respectively fixed on two clamping plates 5, the adjusting bolts 51 are screwed to enable the longitudinal beams to rotate in the screw holes 52 in a threaded manner, the extrusion plates 53 are pushed to fix the positions of the longitudinal beams, then the rotating handles 4 on the base 1 are screwed to enable the connecting rods 12 and the first gears 6 to rotate, the first gears 6 drive the second gears 11 connected with the longitudinal beams in a meshed manner to rotate, the second gears 11 drive the connecting rods 8 to rotate in the internal threads of the lifting columns 7, and the lifting columns 7 cannot rotate in the second supporting columns 3, so that the lifting columns 7 can only ascend or descend in the second supporting columns 3 in the position height, and therefore the clamping plates 5 on the lifting columns 7 can be adjusted in height.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile longitudinal beam assembly welding jig, includes base (1), its characterized in that: fixed mounting has first support column (2) and second support column (3) on base (1), and is provided with lift post (7) that can reciprocate in the inside of second support column (3), and has splint (5) at the equal fixed mounting in top of first support column (2) and lift post (7), still be provided with on base (1) and rotate handle (4), and rotate handle (4) and be located the side of second support column (3), screw (51) have been seted up to one side of splint (5), and the one side of seting up screw (51) in splint (5) is provided with adjusting bolt (52), and the one end of adjusting bolt (52) runs through screw (51) and extends to between splint (5), the one end fixed mounting that adjusting bolt (52) are located between splint (5) has stripper plate (53).

2. The automobile longitudinal beam assembly welding jig of claim 1, characterized in that: the adjusting bolt (52) is in threaded connection with the screw hole (51), and the diameter of the extrusion plate (53) is larger than that of the screw hole (51).

3. The automobile longitudinal beam assembly welding jig of claim 1, characterized in that: lift post (7) slidable mounting has the inside of second support column (3), and is provided with in the inside of lift post (7) and links up pole (8), the one end that lift post (7) were kept away from in linking pole (8) runs through base (1) and extends to its bottom, and links up the one end fixed mounting that pole (8) are located base (1) bottom and has second gear (11).

4. The automobile longitudinal beam assembly welding jig of claim 1, characterized in that: the central point that rotates handle (4) bottom puts the rigid coupling has connecting rod (12), and connecting rod (12) keep away from the one end of rotating handle (4) and run through base (1) and extend to its bottom, and connecting rod (12) are located the one end fixed mounting of base (1) bottom and have first gear (6), the outer wall of first gear (6) is connected with the outer wall meshing of second gear (11).

5. The automobile longitudinal beam assembly welding jig of claim 3, characterized in that: spacing groove (9) have been seted up to the inside of base (1), fixed mounting has spacing ring (10) on the outer wall of joint pole (8), and just spacing ring (10) are located the inside of spacing groove (9) and can rotate inside it.

6. The automobile longitudinal beam assembly welding jig of claim 3, characterized in that: the upper half part of the connecting rod (8) is uniformly provided with a spiral groove, threads are uniformly arranged on the inner wall of the lifting column (7), and the outer wall of the connecting rod (8) is connected with the inner wall of the lifting column (7) in a threaded manner.