CN221231892U - Full-size door frame welding jig of van - Google Patents

Abstract

The utility model discloses a full-size door frame welding fixture for a van vehicle, wherein one end of one cross rod in a rectangular fixing frame is provided with a fixed mounting plate A, the other end of the cross rod is provided with a movable mounting plate A which can slide and adjust along the axial direction of the cross rod, a movable rod which can slide along the axial direction of the longitudinal rod and is parallel to the cross rod is arranged between two longitudinal rods in the rectangular fixing frame, one end of the movable rod is provided with a fixed mounting plate B, the other end of the movable rod is provided with a movable mounting plate B which can slide and adjust along the axial direction of the movable rod, and the upper parts of the fixed mounting plate A, the movable mounting plate A, the fixed mounting plate B and the movable mounting plate B are respectively provided with a supporting and clamping assembly for supporting and clamping the abutted door frame cross beam and the door frame longitudinal beam end parts; the utility model not only can accurately and stably align, clamp and fix the door frame cross beam and the longitudinal beam and provide powerful help for the subsequent welding operation of the door frame, but also can carry out adaptive adjustment according to different door frame sizes.

Description

Full-size door frame welding jig of van

Technical Field

The utility model relates to the technical field of welding clamps, in particular to a full-size door frame splice welding clamp of a van vehicle.

Background

The rear door frame of the van type vehicle such as the refrigerated vehicle, the medical waste transfer vehicle and the like is formed by welding four frames of an upper door frame, a lower door frame, a left door frame and a right door frame. Because the special vehicles are in order to meet the demands of customers, a customized small-batch production mode is adopted, so that the actual production phenomenon of multiple vehicle types, multiple carriage types and multiple rear door frame sizes of the special vehicles is caused, and a fixed assembly line type large-batch production mode cannot be adopted. The existing enterprises mostly adopt manual field splice welding, four frames are spliced into a door frame shape, spot welding is performed after measuring the length and width dimensions, then after measuring the diagonal dimension of the door frame by using a tape measure, the door frame is corrected to enable the dimension to be within a tolerance range, and full-welding is performed after correction is completed. The whole welding process is fixed without special welding fixtures and positioning tools, and splice welding is completed in a free state, and as the frame of the vehicle door frame is a U-shaped bending piece, the size of the formed door frame is large, the two ends of the welded door frame are locally heated, the welding forming quality of the door frame is easy to distort and deform, deviation is very easy to occur when the door frame is assembled, and the assembly precision of the door frame and the door is affected. And then the phenomena of cold leakage and the like of the rear door frame of the refrigerator car are caused, and the performance of the special car is influenced.

With the rapid development of transportation industries such as logistics and the like, the demand of van vehicles such as refrigerated vehicles, medical waste transfer vehicles and the like is increased year by year, and the traditional rough processing mode and production process are urgently improved, so that the working efficiency is improved, the consistency of products is improved, the manufacturing precision is ensured, and the technical performance of the products is improved, so that the van vehicle full-size multi-specification door frame welding jig is urgently needed.

Disclosure of utility model

In order to overcome the defects in the background technology, the utility model discloses a full-size door frame splice welding fixture for a van vehicle, which not only can accurately and stably align, clamp and fix a door frame cross beam and a longitudinal beam, provide powerful assistance for the welding operation of a subsequent door frame, but also can adaptively adjust according to different door frame sizes, and meet the welding operation of the size door frame.

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

The utility model provides a full-size door frame splice welding anchor clamps of van, include the rectangle mount that is formed by vertical pole and horizontal pole concatenation, one of them horizontal pole one end in the rectangle mount is equipped with fixed mounting plate A, the other end of this horizontal pole is equipped with the movable mounting plate A that can follow horizontal pole axial sliding adjustment, be equipped with between two vertical poles in the rectangle mount and follow vertical pole axial slip, and the movable pole that parallels with the horizontal pole, movable pole one end is equipped with fixed mounting plate B, the other end of movable pole is equipped with the movable mounting plate B that can follow movable pole axial slip adjustment, fixed mounting plate A, movable mounting plate A, fixed mounting plate B and movable mounting plate B upper portion all are equipped with the support clamping assembly that is used for supporting the centre gripping to the door frame crossbeam and the door frame longeron tip that offsets.

Further, support clamping assembly includes crossbeam fixture and longeron fixture, and crossbeam fixture is including the support frame that is used for the horizontal support door frame crossbeam, and support frame one side is equipped with the mounting bracket, and mounting bracket upper portion is equipped with and is used for carrying out the fixed horizontal clamp of centre gripping to the crossbeam, and longeron fixture is the same with crossbeam fixture structure, and is used for horizontal support centre gripping door frame longeron.

Further, the beam clamping mechanism and the longitudinal beam clamping mechanism are internally provided with a side bracket arranged on one side of the support frame, and the upper part of the side bracket is provided with a push-pull clamp for abutting and clamping the door frame beam or the door frame longitudinal beam.

Further, support clamping assembly still including being used for carrying out the tight mechanism in top of conflict spacing to door frame longeron tip, the tight mechanism in top include with the corresponding mounting panel of longeron clamping mechanism, threaded connection has the adjusting bolt who runs through the mounting panel on the mounting panel, and the one end that adjusting bolt is close to longeron clamping mechanism is equipped with the roof.

Further, transverse rails which are arranged along the axial direction of the transverse rods and are matched with the movable mounting plates A and B respectively are arranged on the transverse rods and the movable rods, longitudinal sliding rails which are arranged along the axial direction of the transverse rods are arranged on the two longitudinal rods, and movable seats which are in sliding fit with the adjacent longitudinal sliding rails are arranged at the two ends of the movable rods.

Further, the transverse track and the longitudinal slide rail are provided with a plurality of locating holes orderly arranged along the axial interval, and the movable seat and the movable mounting plate A are provided with locating bolts matched with the locating holes.

Further, each inner vertex angle of the rectangular fixing frame is provided with a support plate, the upper part of the support plate is provided with a screw rod with threads penetrating through the support plate, and the end part of the screw rod positioned at the lower part of the support plate is provided with a support.

Furthermore, the lower part of the rectangular fixing frame is uniformly provided with a plurality of universal wheels.

Compared with the prior art, the utility model has the beneficial effects that: by arranging the slidable movable mounting plate and the movable rod, the adjustment of the space between the supporting and holding components can be realized, therefore, the welding device can carry out adaptive adjustment according to the sizes of the door frame cross beam and the longitudinal beam, and meets the welding work of door frames of different models;

the horizontal clamp and the push-pull clamp are matched, so that the door frame cross beam and the longitudinal beam can be effectively clamped and fixed, and powerful support is provided for subsequent welding operation;

The abutting mechanism is arranged to enable the end part of the door frame longitudinal beam to be in abutting limit, so that the accurate positioning of the door frame longitudinal beam is ensured;

by arranging the adjustable support, the rectangular fixing frame can be horizontally adjusted, and the horizontal stability of the rectangular fixing frame is ensured;

The utility model not only can accurately and stably align, clamp and fix the door frame cross beam and the longitudinal beam and provide powerful help for the welding operation of the subsequent door frame, but also can carry out adaptive adjustment according to different door frame sizes, thereby meeting the welding operation of the size door frame; the utility model ensures that the outer surfaces of all frames of the welded rear door frame are in the same plane, and the four angles of the rear door frame are kept vertical, thereby ensuring the planeness and perpendicularity of the welding of the door frame, improving the welding efficiency and the welding quality.

Drawings

FIG.1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a support clamping assembly according to the present utility model;

FIG. 3 is a schematic view of a beam clamping mechanism according to the present utility model;

FIG. 4 is a schematic view of a movable rod structure according to the present utility model;

Fig. 5 is a schematic view of the usage state of the present utility model.

In the figure: 1. a longitudinal bar; 2. a universal wheel; 3. a fixed mounting plate A; 4. a cross bar; 5. a transverse slide rail; 6. a movable mounting plate A; 7. a support clamping assembly; 8. a longitudinal slide rail; 9. a movable mounting plate B; 10. a screw; 11. a support plate; 12. a support; 13. a movable rod; 14. a fixed mounting plate B; 15. a stringer clamping mechanism; 16. a beam clamping mechanism; 17. a top plate; 18. a mounting plate; 19. an adjusting bolt; 20. positioning a bolt; 21. positioning holes; 22. push-pull type clamp; 23. a horizontal clamp; 24. a support frame; 25. a mounting frame; 26. a side bracket; 27. a movable seat.

Detailed Description

In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element to be referred to has a specific azimuth.

Referring to fig. 1-5 of the specification, the present utility model provides a technical scheme:

The first embodiment is that the full-size door frame splice welding fixture of the van comprises a rectangular fixing frame formed by splicing longitudinal rods 1 and transverse rods 4, wherein one end of one transverse rod 4 in the rectangular fixing frame is provided with a fixed mounting plate A3, the other end of the transverse rod 4 is provided with a movable mounting plate A6 capable of axially sliding and adjusting along the transverse rod 4, a movable rod 13 capable of axially sliding along the longitudinal rods 1 and parallel to the transverse rods 4 is arranged between the two longitudinal rods 1 in the rectangular fixing frame, one end of the movable rod 13 is provided with a fixed mounting plate B14, and the other end of the movable rod 13 is provided with a movable mounting plate B9 capable of axially sliding and adjusting along the movable rod 13;

In order to realize the sliding adjustment of the movable mounting plate A6, the movable rod 13 and the movable mounting plate B9, transverse rails 5 which are arranged along the axial direction of the transverse rails 4 and the movable rod 13 are respectively arranged on the transverse rails 4 and the movable rod 13, the movable mounting plate A6 and the movable mounting plate B9 respectively slide along the corresponding transverse rails 5, longitudinal sliding rails 8 which are arranged along the axial direction of the movable mounting plate A6 and the movable mounting plate B9 are respectively arranged on the two longitudinal rods 1, movable seats 27 which are in sliding fit with the adjacent longitudinal sliding rails 8 are respectively arranged at the two ends of the movable rod 13, and in order to facilitate the adjustment and the positioning of the movable mounting plate A6, the movable rod 13 and the movable mounting plate B9, a plurality of positioning holes 21 which are orderly arranged along the axial direction intervals of the transverse rails 5 and the longitudinal sliding rails 8 are respectively arranged on the movable seats 27 and the movable mounting plate A6, and positioning bolts 20 which are matched with the positioning holes 21 are respectively arranged on the movable seats 27;

The upper parts of the fixed mounting plate A3, the movable mounting plate A6, the fixed mounting plate B14 and the movable mounting plate B9 are respectively provided with a supporting and clamping assembly 7 for supporting and clamping the end parts of the door frame cross beam and the door frame longitudinal beam which are in contact with each other, the supporting and clamping assembly 7 comprises a cross beam clamping mechanism 16 and a longitudinal beam clamping mechanism 15, the cross beam clamping mechanism 16 comprises a supporting frame 24 for horizontally supporting the door frame cross beam, one side of the supporting frame 24 is provided with a mounting frame 25, the upper part of the mounting frame 25 is provided with a horizontal clamp 23 for clamping and fixing the cross beam, and the longitudinal beam clamping mechanism 15 has the same structure as the cross beam clamping mechanism 16 and is used for horizontally supporting and clamping the door frame longitudinal beam;

When the welding operation of door frame crossbeam and longeron is carried out, the staff can slide earlier and adjust four support clamping assemblies 7, make its length of adaptation door frame crossbeam and longeron after inserting locating bolt 22 in locating hole 21 it and fix a position, then place two door frame longerons on corresponding longeron fixture 15 earlier, carry out the centre gripping fixedly with horizontal clamp 23, place two door frame crossbeams on corresponding crossbeam fixture 16 again, make the both ends of door frame crossbeam conflict respectively behind two door frame longeron tip, reuse horizontal clamp 23 carry out the centre gripping fixedly to the door frame crossbeam, it can to weld it after door frame crossbeam and door frame longeron centre gripping are fixed.

In order to ensure stable clamping of the door frame cross beam and the door frame longitudinal beam, the cross beam clamping mechanism 16 and the longitudinal beam clamping mechanism 15 further comprise a side bracket 26 arranged on one side of the supporting frame 24, and push-pull clamps 22 for carrying out interference clamping on the door frame cross beam or the door frame longitudinal beam are arranged on the upper portion of the side bracket 26, so that the door frame cross beam and the door frame longitudinal beam can be in interference limiting through the push-pull clamps 22.

In the third embodiment, in the welding process of the door frame, two ends of the door frame beam respectively abut against and are limited and fixed at two door frame longitudinal beam ends, and the two door frame longitudinal beam ends lack of a limiting mechanism and only depend on the clamping of the horizontal clamp 23 and the push-pull clamp 22, so that the stability of the door frame longitudinal beam cannot be ensured in the welding process, and for this purpose, the supporting clamping assembly 7 further comprises a propping mechanism for abutting and limiting the door frame longitudinal beam ends, the propping mechanism comprises a mounting plate 18 corresponding to the longitudinal beam clamping mechanism 15, the mounting plate 18 can be mounted on the cross beam clamping mechanism 16, an adjusting bolt 19 penetrating through the mounting plate 18 is connected to the mounting plate 18 in a threaded manner, a top plate 17 is arranged at one end, close to the longitudinal beam clamping mechanism 15, of the adjusting bolt 19, and the position of the top plate 17 is adjusted by rotating the adjusting bolt 19, so that the door frame longitudinal beam ends abut against the top plate 17, and the limiting and fixing of the door frame longitudinal beam are realized.

In order to facilitate moving the rectangular fixing frame, the plurality of universal wheels 2 are uniformly distributed on the lower portion of the rectangular fixing frame, support plates 11 are arranged at the inner top corners of the rectangular fixing frame in order to ensure that the rectangular fixing frame is kept horizontal in the welding operation process of the door frame, screw rods 10 with threads penetrating through the support plates 11 are arranged on the upper portions of the support plates 11, support bases 12 are arranged at the end portions of the screw rods 10 located on the lower portion of the support plates 11, the support bases 12 are abutted against the ground through rotating the screw rods 10, positioning of the rectangular fixing frame can be achieved, and horizontal adjustment can be carried out on the rectangular fixing frame.

The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the above-described embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. The utility model provides a full-size door frame splice welding anchor clamps of van, includes the rectangle mount that is formed by concatenation of longitudinal rod (1) and horizontal pole (4), its characterized in that: one of them horizontal pole (4) one end in the rectangle mount is equipped with fixed mounting plate A (3), the other end of this horizontal pole (4) is equipped with can have along horizontal pole (4) axial slip regulation movable mounting plate A (6), be equipped with between two vertical poles (1) in the rectangle mount can follow vertical pole (1) axial slip, and with horizontal pole (4) parallel movable rod (13), movable rod (13) one end is equipped with fixed mounting plate B (14), the other end of movable rod (13) is equipped with movable mounting plate B (9) that can follow movable rod (13) axial slip regulation, fixed mounting plate A (3), movable mounting plate A (6), fixed mounting plate B (14) and movable mounting plate B (9) upper portion all are equipped with support clamping assembly (7) that are used for supporting the centre gripping to the door frame crossbeam of offseting with door frame longeron tip.

2. The full-size door frame splice welding fixture of a van according to claim 1, wherein: the supporting and clamping assembly (7) comprises a beam clamping mechanism (16) and a longitudinal beam clamping mechanism (15), the beam clamping mechanism (16) comprises a supporting frame (24) for horizontally supporting a door frame beam, a mounting frame (25) is arranged on one side of the supporting frame (24), a horizontal clamp (23) for clamping and fixing the beam is arranged on the upper portion of the mounting frame (25), and the longitudinal beam clamping mechanism (15) and the beam clamping mechanism (16) are identical in structure and are used for horizontally supporting and clamping the door frame longitudinal beam.

3. The full-size door frame splice welding fixture of a van according to claim 2, wherein: the beam clamping mechanism (16) and the longitudinal beam clamping mechanism (15) are internally provided with a side bracket (26) arranged on one side of the supporting frame (24), and the upper part of the side bracket (26) is provided with a push-pull clamp (22) for abutting and clamping the door frame beam or the door frame longitudinal beam.

4. The full-size door frame splice welding fixture of a van according to claim 2, wherein: the supporting and clamping assembly (7) further comprises a jacking mechanism for abutting and limiting the end part of the longitudinal beam of the door frame, the jacking mechanism comprises a mounting plate (18) corresponding to the longitudinal beam clamping mechanism (15), an adjusting bolt (19) penetrating through the mounting plate (18) is connected to the mounting plate (18) in a threaded mode, and a top plate (17) is arranged at one end, close to the longitudinal beam clamping mechanism (15), of the adjusting bolt (19).

5. The full-size door frame splice welding fixture of a van according to claim 1, wherein: transverse rails (5) which are arranged along the axial direction of the transverse rods (4) and the movable rods (13) and are respectively matched with the movable mounting plates A (6) or the movable mounting plates B (9) are arranged on the transverse rods (4) and the movable rods (13), longitudinal sliding rails (8) which are arranged along the axial direction of the transverse rods are arranged on the two longitudinal rods (1), and movable seats (27) which are in sliding fit with the adjacent longitudinal sliding rails (8) are arranged at the two ends of the movable rods (13).

6. The full-size door frame splice welding fixture of a van according to claim 5, wherein: the transverse track (5) and the longitudinal slide rail (8) are respectively provided with a plurality of locating holes (21) which are orderly arranged along the axial interval, and the movable seat (27) and the movable mounting plate A (6) are respectively provided with a locating bolt (20) which is matched with the locating holes (21).

7. The full-size door frame splice welding fixture of a van according to claim 1, wherein: the inner vertex angles of the rectangular fixing frame are respectively provided with a support plate (11), screw rods (10) penetrating through the support plates (11) through threads are arranged on the upper portions of the support plates (11), and support seats (12) are arranged at the end portions of the screw rods (10) located on the lower portions of the support plates (11).

8. The full-size door frame splice welding fixture of a van according to claim 1, wherein: the lower part of the rectangular fixing frame is uniformly distributed with a plurality of universal wheels (2).