CN215967104U

CN215967104U - Welding positioning device for front wall framework of passenger car

Info

Publication number: CN215967104U
Application number: CN202121611823.XU
Authority: CN
Inventors: 罗治辉
Original assignee: Zhuhai Guangtong Vehicle Manufacturing Co ltd
Current assignee: Zhuhai Guangtong Vehicle Manufacturing Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-03-08
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a welding and positioning device of a front wall framework of a passenger car, which comprises a base, a fixing frame and a supporting plate, wherein the fixing frame is fixed on one side of the top end of the base, the other side of the top end of the base is fixed with a clamping device, the top end of the base is fixed with a bottom plate, the top end of the fixing frame is fixed with the supporting plate, the supporting plate is provided with a fixing plate, the top end of the fixing plate is provided with a screw head, the bottom end of the screw head is fixed with a second screw rod, the bottom end of the second screw rod is fixed with a pressing block, the clamping device can limit and fix the framework at different angles through the embedded structural design between the bottom plate and the pressing block, the welding work efficiency is effectively improved, the pressing block and the bottom plate can limit and fix the framework through the embedded structural design between the second screw rod and the fixing plate and the supporting plate and the integrated structural design between the screw head, the second screw rod and the pressing block, meanwhile, the frameworks of different models, specifications and sizes are fixed on the bottom plate, and the practicability of the device is improved.

Description

Welding positioning device for front wall framework of passenger car

Technical Field

The utility model relates to the technical field of passenger car assembly, in particular to a welding and positioning device for a front wall framework of a passenger car.

Background

The passenger car front wall assembly comprises a front wall framework sub-assembly and a front wall covering sub-assembly, the front wall framework and the front wall covering are welded in the assembling and welding process of the passenger car front wall assembly, the front wall framework sub-assembly and the front wall covering are welded into a whole in the conventional assembling and welding process of the front wall assembly in the passenger car industry at present, the front wall framework sub-assembly is used as a basic form, all parts of the front wall covering are welded and riveted on the outer surface of the front wall framework sub-assembly, at the moment, the front wall covering and the front wall framework form a complete front wall assembly, then the front wall assembly is hung by a cantilever, the front wall covering and the lower end face of the front wall framework are welded and refitted, most passenger car framework structural steel structures in the world at present are formed by welding.

But still have a lot of problems to the welding position device technique and the use aspect of enclosing the skeleton before the passenger train at present:

1. the existing welding and positioning device for the front wall skeleton of the passenger car has the advantages that the skeleton is fixed in the skeleton welding process, and the skeleton is not specially designed, so that a skeleton chassis is unstable, the conditions of large welding error rate, low welding efficiency and the like are easily caused, and even the skeleton body is damaged;

2. the welding positioning device for the front wall framework of the existing passenger car has the advantages that under the condition of no welding auxiliary positioning tool, the manual positioning precision is low, various size precision requirements cannot be met, and therefore the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a welding and positioning device for a front wall framework of a passenger car, which solves the problems that the conventional welding and positioning device for the front wall framework of the passenger car is unstable in a framework chassis, is easy to cause the conditions of large welding error rate, low welding efficiency and the like, even damages to a framework body and the like because the framework needs to be fixed in the framework welding process, and the manual positioning precision is low under the condition of no welding auxiliary positioning tool, so that various size precision requirements cannot be met, and the working efficiency is low.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a welding and positioning device for a front wall framework of a passenger car comprises a base, a fixing frame and a supporting plate, wherein the fixing frame is fixed on one side of the top end of the base, the other side of the top end of the base is fixed with a clamping device, the top end of the base is fixed with a bottom plate, the top end of the fixed frame is fixed with a supporting plate, the top end of the supporting plate is provided with a fixing plate, the top end of the fixing plate is provided with a screw head, the bottom end of the screw head is fixed with a second screw rod, a pressing block is fixed at the bottom end of the second screw rod, the screw head, the second screw rod and the pressing block are in an integrated structure, a fixed seat is fixed at the bottom end of the clamping device, a clamp and a mechanical arm are fixed at the top end of the fixed seat, one end of the clamp is fixedly connected with the fixed seat, the other end of the clamp is fixedly connected with the mechanical arm, the side end of the mechanical arm is fixedly connected with a telescopic rod, a fastener is fixed to the side end of the telescopic rod, and the side end of the fastener is fixedly connected with a clamping ring.

Preferably, a screw hole is fixed at the side end of the fixing frame, a first screw rod is arranged at the side end of the fixing frame, the first screw rod penetrates through the screw hole, and the first screw rod is located at the side end of the bottom plate.

Preferably, a second adjusting nut is fixed at the top end of the supporting plate, a limiting rod is arranged at the top end of the fixing plate, and the limiting rod is consistent with the embedding structure of the second adjusting nut and corresponds to the second adjusting nut in position.

Preferably, a first adjusting nut is fixed at the top end of the supporting plate, the second screw is consistent with the embedding structure of the first adjusting nut, and the second screw penetrates through the first adjusting nut.

Preferably, the limiting rods are the same in size and are positioned on two sides of the screw head.

Preferably, the pressing block is consistent with the bottom plate embedding structure and corresponds in position.

(III) advantageous effects

1. The framework is fixed on the bottom plate through the embedded structure design among the clamping device, the first screw and the screw hole, and the framework is limited and fixed at different angles through the embedded structure design between the bottom plate and the pressing block, so that the welding work efficiency is effectively improved;

2. through the integral structure design between second screw rod and the gomphosis structural design and the spiral shell head of running through between fixed plate, the backup pad, second screw rod and the briquetting for the briquetting carries on spacing fixedly with the bottom plate to the skeleton, makes the skeleton of different model specification and dimension realize fixedly at the bottom plate simultaneously, improves the device practicality.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the apparatus of the present invention;

FIG. 3 is a schematic view of a fixing plate according to the present invention;

fig. 4 is a schematic structural view of the clamping device of the present invention.

In the figure, 1-base, 2-fixing frame, 3-supporting plate, 4-clamping device, 5-fixing plate, 6-first screw, 7-second screw, 8-pressing block, 9-bottom plate, 10-first adjusting nut, 11-second adjusting nut, 12-screw hole, 13-screw head, 14-limiting rod, 15-fixing seat, 16-clamp, 17-mechanical arm, 18-telescopic rod, 19-fastening piece and 20-clamping ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a welding positioning device of a front wall framework of a passenger car comprises a base 1, a fixing frame 2 and a supporting plate 3, wherein the fixing frame 2 is fixed on one side of the top end of the base 1, a clamping device 4 is fixed on the other side of the top end of the base 1, a bottom plate 9 is fixed on the top end of the base 1, the supporting plate 3 is fixed on the top end of the fixing frame 2, a fixing plate 5 is arranged on the top end of the supporting plate 3, a screw head 13 is arranged on the top end of the fixing plate 5, a second screw 7 is fixed on the bottom end of the screw head 13, a pressing block 8 is fixed on the bottom end of the second screw 7, the screw head 13, the second screw 7 and the pressing block 8 are of an integrated structure, a fixing seat 15 is fixed on the bottom end of the clamping device 4, a clamp 16 and a mechanical arm 17 are fixed on the top end of the fixing seat 15, one end of the clamp 16 is fixedly connected with the fixing seat 15, the other end of the clamp 16 is fixedly connected with the mechanical arm 17, an expansion link 18 is fixedly connected to the side end of the mechanical arm 17, a fastener 19 is fixed at the side end of the telescopic rod 18, and a clamping ring 20 is fixedly connected at the side end of the fastener 19.

A screw hole 12 is fixed at the side end of the fixing frame 2, a first screw rod 6 is arranged at the side end of the fixing frame 2, the first screw rod 6 penetrates through the screw hole 12, and the first screw rod 6 is located at the side end of the bottom plate 9. Through the through embedding structure between the first screw rod 6 and the screw hole 12, the clamping device 4 is convenient to fix, disassemble and assemble, and is more convenient and fast to use.

The top end of the supporting plate 3 is fixed with a second adjusting nut 11, the top end of the fixing plate 5 is provided with a limiting rod 14, and the limiting rod 14 is consistent with the embedded structure of the second adjusting nut 11 and corresponds to the position. Through the embedding structure between the limiting rod 14 and the second adjusting nut 11, the consistency and the correspondence of the structure are ensured, and the clamping device 4 is fixed.

The top end of the supporting plate 3 is fixed with a first adjusting nut 10, the second screw 7 is in the same embedding structure with the first adjusting nut 10, and the second screw 7 penetrates through the first adjusting nut 10. Through the structure that runs through between second screw rod 7 and first adjusting nut 10, realize the integrated structure between fixed plate 5 and the backup pad 3, improve structural stability.

The limiting rods 14 are the same in size and are positioned on two sides of the screw head 13. The limiting rod 14 with the same size can limit and fix the fixing plate 5, and the practicability of the device is improved.

The pressing block 8 and the bottom plate 9 are in the same embedded structure and are corresponding in position. Through the gomphosis structure between briquetting 8 and the bottom plate 9, guaranteed the uniformity and the correspondence of structure, realize the practicality of device.

The working principle is as follows: use during this welding position device of enclosing skeleton before passenger train, enclose skeleton blank material before will needing the welded passenger train and place bottom plate 9 on, rotatory spiral shell head 13, the briquetting 8 of connecting second screw 7 of spiral shell head 13 bottom is flexible removal toward enclosing skeleton blank material direction before the passenger train, rotatory first screw rod 6 encloses skeleton blank material before to the passenger train and presss from both sides tightly, run through gag lever post 14 in fixed plate 5, the gomphosis is to in second adjusting nut 11, enclose skeleton blank material before the passenger train and realize the location through fixed plate 5 is fixed to briquetting 8, adjust telescopic link 18, the clamp ring 20 of clamping device 4 sides is fixed the side enhancement to enclosing skeleton blank material before the passenger train.

The utility model relates to a welding positioning device for a front wall framework of a passenger car, which comprises a base 1, a fixing frame 2, a supporting plate 3, a clamping device 4, a fixing plate 5, a first screw rod 6, a second screw rod 7, a pressing block 8, a bottom plate 9, a first adjusting nut 10, a second adjusting nut 11, a screw hole 12, a screw head 13, a limiting rod 14, a fixing seat 15, a clamp 16, a mechanical arm 17, an expansion rod 18, a fastening piece 19 and a clamping ring 20, wherein the parts are all universal standard parts or parts known by technicians in the field, and the structure and principle of the welding positioning device can be known by the technicians through technical manuals or conventional experimental methods. Even cause the damage of skeleton body etc. under the condition of not having the welding assistance-localization real-time frock, artifical manual positioning accuracy is low, can't satisfy multiple size precision requirement, thus lead to the problem that work efficiency is low, the utility model makes the skeleton realize fixedly on the bottom plate through the gomphosis structural design between clamping device, first screw rod and the screw, through the gomphosis structural design between bottom plate and the briquetting, make clamping device carry out spacing fixed at different angles to the skeleton, effectively improve the welding work efficiency, through second screw rod and fixed plate, through gomphosis structural design and spiral shell head, the integrated structural design between second screw rod and the briquetting that run through between the backup pad, make briquetting and bottom plate carry out spacing fixed to the skeleton, make the skeleton of different model specification sizes realize fixedly at the bottom plate simultaneously, improve the device practicality.

The foregoing illustrates and describes the general principles of the present invention. And the main features and advantages of the utility model, it will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a enclose welding position device of skeleton before passenger train which characterized in that: the clamping device comprises a base (1), a fixing frame (2) and a supporting plate (3), wherein the fixing frame (2) is fixed on one side of the top end of the base (1), a clamping device (4) is fixed on the other side of the top end of the base (1), a bottom plate (9) is fixed on the top end of the base (1), the supporting plate (3) is fixed on the top end of the fixing frame (2), a fixing plate (5) is arranged on the top end of the supporting plate (3), a screw head (13) is arranged on the top end of the fixing plate (5), a second screw rod (7) is fixed on the bottom end of the screw head (13), a pressing block (8) is fixed on the bottom end of the second screw rod (7), and the screw head (13), the second screw rod (7) and the pressing block (8) are of an integrated structure;

clamping device (4) bottom mounting has fixing base (15), fixing base (15) top is fixed with anchor clamps (16) and arm (17), anchor clamps (16) one end and fixing base (15) fixed connection, anchor clamps (16) the other end and arm (17) fixed connection, arm (17) side fixedly connected with telescopic link (18), telescopic link (18) side is fixed with fastener (19), fastener (19) side fixed connection clamp ring (20).

2. The welding and positioning device for the front wall framework of the passenger car according to claim 1, characterized in that: the fixing frame (2) is characterized in that a screw hole (12) is fixed at the side end of the fixing frame (2), a first screw rod (6) is arranged at the side end of the fixing frame (2), the first screw rod (6) penetrates through the screw hole (12), and the first screw rod (6) is located at the side end of the bottom plate (9).

3. The welding and positioning device for the front wall framework of the passenger car according to claim 1, characterized in that: the top end of the supporting plate (3) is fixed with a second adjusting nut (11), the top end of the fixing plate (5) is provided with a limiting rod (14), and the limiting rod (14) is consistent with the embedded structure of the second adjusting nut (11) and corresponds to the position of the second adjusting nut.

4. The welding and positioning device for the front wall framework of the passenger car according to claim 1, characterized in that: the top end of the supporting plate (3) is fixed with a first adjusting nut (10), the second screw (7) is consistent with the embedded structure of the first adjusting nut (10), and the second screw (7) penetrates through the first adjusting nut (10).

5. The welding and positioning device for the front wall framework of the passenger car according to claim 3, characterized in that: the limiting rods (14) are the same in size and are located on two sides of the screw head (13).

6. The welding and positioning device for the front wall framework of the passenger car according to claim 1, characterized in that: the pressing block (8) and the bottom plate (9) are in the same embedded structure and correspond in position.