Automobile bumper electric welding positioning clamp

Abstract

The utility model discloses an electric welding positioning fixture for an automobile bumper, which relates to the technical field of bumper processing and comprises a base. The storage table is arranged at the top of the supporting column; the first welding plates are arranged at the tops of the two storage tables at the front end in two groups; the first cylinder is arranged at the top of the base; the two limiting rods are connected with the output ends of the two first air cylinders correspondingly. The bumper main body is arranged at the tops of the three storage tables; the supporting column is arranged in the middle of the top of the base. The supporting plate is arranged at the tops of the two supporting columns; the double-row cylinder is arranged at the top of the supporting plate; the second welding plate is arranged at the top of the rear end storage table; the stand column is arranged on the top of the base. The two supporting blocks are symmetrically arranged at the top of the stand column, and a rotating shaft is arranged between the two supporting blocks and connected with the middle of the arc-shaped rod; the second cylinder is arranged at the rear end of the stand column, and the output end of the second cylinder is connected with the movable block. According to the scheme, the positioning effect of the bumper is improved, and then the welding precision is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of bumper processing, in particular to an electric welding positioning fixture for an automobile bumper. Background Art

[0002] Bumpers are installed at the front and rear ends of cars. They not only have decorative functions, but more importantly, they are safety devices that absorb and mitigate external impact forces, protect the car body and the safety of passengers. Bumpers have the functions of safety protection, vehicle decoration, and improving the aerodynamic characteristics of the vehicle. From a safety perspective, they can play a buffering role in the event of a low-speed collision accident, protecting the front and rear bodies of the car; they can also play a certain role in protecting pedestrians in the event of an accident with pedestrians. From the appearance point of view, they are decorative and have become an important part of decorating the appearance of cars; at the same time, car bumpers also have a certain aerodynamic effect.

[0003] In the existing automobile bumper electric welding positioning fixture, when the bumper is welded, the poor positioning accuracy will lead to the reduction of the quality of the component welding process and the welding production efficiency; and the inaccurate positioning will lead to a high rate of parts scrapping, thereby increasing the cost. Therefore, it is urgent to design an automobile bumper electric welding positioning fixture to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, a car bumper electric welding positioning fixture is provided. The technical solution solves the problems raised in the above background technology that when welding the bumper, the quality of the component welding process and the welding production efficiency will be reduced due to poor positioning accuracy; and the inaccurate positioning will lead to a high scrap rate of parts, thereby increasing costs, etc.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An automobile bumper electric welding positioning fixture comprises a base:

[0007] Support pillars, the number of the support pillars is three, two of which are symmetrically arranged on the left and right sides of the top of the base, and the other support pillar is arranged on the rear side of the top of the base;

[0008] There are three storage tables, and the three storage tables are respectively arranged on the top of three pillars;

[0009] A first welding plate, wherein the number of the first welding plates is four, and the four first welding plates are divided into two groups and are respectively arranged on the top of the two front storage tables;

[0010] The first cylinders are two in number, and both of the two first cylinders are fixedly mounted on the top of the base and are respectively arranged in front of the two front pillars;

[0011] Limit rods, the number of the limit rods is two, the front ends of the two limit rods are respectively fixedly connected to the output ends of the two first cylinders, and the rear ends of the two limit rods are both provided with leather pads;

[0012] A bumper body, wherein the bumper body is arranged in an arc shape and opens forward, and the left and right ends of the bumper body are respectively arranged on the tops of the two front storage platforms, and the rear middle part of the bumper body is arranged on the top of the rear storage platform;

[0013] A pair of support columns, fixedly mounted at the middle of the top of the base;

[0014] A support plate, fixedly mounted on the top of the two support columns;

[0015] A double-exhaust cylinder is fixedly mounted on the top of the support plate, the output end of the double-exhaust cylinder is fixedly connected to the front end of the push plate, and the rear end of the push plate is in contact with the bumper body;

[0016] A second welding plate is arranged at the rear side of the top of the rear storage platform, and the front end of the second welding plate abuts against the rear end of the bumper body;

[0017] A column, fixedly mounted on the top rear side of the base, and the column is arranged behind the rear support column;

[0018] Support blocks, the support blocks are a pair, symmetrically arranged on the top of the column, a rotating shaft is rotatably installed between the two support blocks, the rotating shaft is fixedly connected to the middle part of the arc rod, a pressure block is fixedly connected to the bottom of the front end of the arc rod, and a movable block is hinged at the rear end of the arc rod;

[0019] The second cylinder is fixedly mounted on the rear end of the column, and the output end of the second cylinder is fixedly connected to the movable block.

[0020] Furthermore, the three pillars are fixedly connected to the base via a plurality of fixing bolts.

[0021] Furthermore, a plurality of fixing columns are respectively provided on the tops of the three storage tables, and a plurality of the first welding plates and the second welding plates are movably connected to the storage tables via the fixing columns.

[0022] Furthermore, rear ends of the two limit rods are respectively arranged above the left and right ends of the bumper body.

[0023] Furthermore, the four first welding plates are respectively in contact with the left and right side surfaces of the front end of the bumper body.

[0024] Furthermore, the bottom of the pressing block abuts against the top of the second welding plate, and the rear end bottom of the second welding plate abuts against the front end top of the column.

[0025] As a preferred technical solution of the utility model, compared with the prior art, the utility model provides a car bumper electric welding positioning fixture, which has the following beneficial effects:

[0026] In the utility model, the bumper body is placed on the top of the storage table, and the left and right ends are respectively placed inside the two positioning grooves, thereby fixing the bumper body, and then the four first welding plates are respectively installed on the top of the storage table through the fixing columns, the first welding plates are abutted against the bumper body, which is convenient for welding and clamping the bumper body, and the movement of the limit blocks is controlled by the two first cylinders to make the leather pad abut against the top of the bumper body, thereby fixing the left and right ends of the bumper body, and the push plate is connected to the ground with the bumper body by the double exhaust cylinders to fix the rear end of the bumper body, thereby avoiding shaking during the welding process and improving the welding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0029] Figure 3 It is a right side structural schematic diagram of the utility model.

[0030] The numbers in the figure are:

[0031] 1. Base; 2. Pillar; 3. Storage table; 4. Fixing bolts; 5. First welding plate; 6. Fixing column; 7. First cylinder; 8. Limit rod; 9. Leather pad; 10. Bumper body; 11. Support column; 12. Support plate; 13. Double exhaust cylinder; 14. Push plate; 15. Second welding plate; 16. Pillar; 17. Support block; 18. Rotating shaft; 19. Arc rod; 20. Pressure block; 21. Movable block; 22. Second cylinder. DETAILED DESCRIPTION

[0032] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0033] Reference Figure 1-3As shown, a car bumper electric welding positioning fixture includes a base 1:

[0034] Pillars 2, the number of the pillars 2 is three, two of which are symmetrically arranged on the left and right sides of the top of the base 1, and another pillar 2 is arranged on the rear side of the top of the base 1;

[0035] A storage table 3, the number of which is three, and the three storage tables 3 are respectively arranged on the top of the three pillars 2;

[0036] First welding plates 5, the number of first welding plates 5 is four, and the four first welding plates 5 are divided into two groups, which are respectively arranged on the top of the two front storage tables 3;

[0037] The first cylinder 7, the number of the first cylinder 7 is two, the two first cylinders 7 are fixedly mounted on the top of the base 1, and are respectively arranged in front of the two front pillars 2;

[0038] Limit rods 8, the number of the limit rods 8 is two, the front ends of the two limit rods 8 are respectively fixedly connected to the output ends of the two first cylinders 7, and the rear ends of the two limit rods 8 are both provided with leather pads 9;

[0039] The bumper body 10 is arranged in an arc shape and opens forward, and the bumper body 10 is arranged on top of the three storage platforms 3;

[0040] A pair of support columns 11 are fixedly mounted at the top middle of the base 1;

[0041] A support plate 12 is fixedly mounted on the top of the two support columns 11;

[0042] The double-row cylinder 13 is fixedly mounted on the top of the support plate 12, the output end of the double-row cylinder 13 is fixedly connected to the front end of the push plate 14, and the rear end of the push plate 14 abuts against the bumper body 10;

[0043] The second welding plate 15 is disposed at the top rear side of the rear storage platform 3, and the front end of the second welding plate 15 abuts against the rear end of the bumper body 10;

[0044] The column 16 is fixedly mounted on the top rear side of the base 1, and the column 16 is arranged behind the rear support 2;

[0045] Support blocks 17, a pair of support blocks 17, symmetrically arranged at the top of the column 16, a rotating shaft 18 is rotatably installed between the two support blocks 17, the rotating shaft 18 is fixedly connected to the middle of the arc rod 19, a pressing block 20 is fixedly connected to the bottom of the front end of the arc rod 19, and a movable block 21 is hinged at the rear end of the arc rod 19;

[0046] The second cylinder 22 is fixedly mounted on the rear end of the column 16 , and the output end of the second cylinder 22 is fixedly connected to the movable block 21 .

[0047] In another embodiment provided by the present utility model, Figure 1 As shown, the three pillars 2 are fixedly connected to the base 1 via a plurality of fixing bolts 4 .

[0048] In another embodiment provided by the present utility model, Figure 1 As shown, a plurality of fixing columns 6 are respectively provided on the top of the three storage tables 3, and a plurality of first welding plates 5 and second welding plates 15 are movably connected to the storage tables 3 through the fixing columns 6. The first welding plates 5 and the second welding plates 15 are positioned through the fixing columns 6 to facilitate welding, and can be used for a variety of welding plates according to needs.

[0049] In another embodiment provided by the present utility model, Figure 1 As shown, the rear ends of the two limit rods 8 are respectively arranged above the left and right ends of the bumper body 10 , and the limit rods 8 are controlled to move downward by the first cylinder 7 , so that the leather pads 9 at the bottom of the limit rods 8 fix the bumper body 10 .

[0050] In another embodiment provided by the present utility model, Figure 1 As shown, the four first welding plates 5 are respectively in contact with the left and right side surfaces of the front end of the bumper body 10 .

[0051] In another embodiment provided by the present utility model, Figure 1 As shown, the bottom of the pressing block 20 abuts against the top of the second welding plate 15, and the bottom of the rear end of the second welding plate 15 abuts against the top of the front end of the column 16, so as to prevent the rear end of the second welding plate 15 from shaking. The second welding plate 15 is clamped by the pressing block 20 and the front end platform of the column 16, which is convenient for welding and helps to improve the welding accuracy.

[0052] In another embodiment provided by the present utility model, Figure 3 As shown, positioning grooves are provided on the tops of the two front storage platforms 3, and the left and right ends of the bumper body 10 are respectively arranged inside the two positioning grooves, and the middle part of the rear end of the bumper body 10 is arranged on the top of the rear storage platform 3. The left and right ends of the bumper body 10 are positioned through the positioning grooves, and the two first cylinders 7 are used to control the two limit rods 8 to fix the tops of the left and right ends of the bumper body 10, thereby positioning and fixing the bumper body 10, thereby making the welding accuracy higher.

[0053] Working principle: In the utility model, the bumper body 10 is placed on the top of the storage table 3, and the left and right ends are placed inside the two positioning grooves respectively, so as to fix the bumper body 10, and then the four first welding plates 5 are respectively installed on the top of the storage table 3 through the fixing columns 6, and the first welding plate 5 is abutted against the bumper body 10 for easy welding, and the bumper body 10 is clamped, and the limit rod 8 is controlled to move by the two first cylinders 7, so that the leather pad 9 is abutted against the top of the bumper body 10, and the left and right ends of the bumper body 10 are fixed, and the push plate 14 is controlled by the double exhaust cylinders 13 to be grounded with the bumper body 10, so as to fix the rear end of the bumper body 10 to avoid shaking during the welding process, resulting in reduced welding accuracy, and the arc rod 19 is controlled to move by the second cylinder 22, so that the pressure block 20 and the front end of the column 16 clamp the rear end of the second welding plate 15 to avoid the movement of the second welding plate 15 and cause welding errors.

[0054] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A car bumper welding positioning fixture, characterized in that: Includes base (1): Pillars (2), the number of the pillars (2) is three, two of the pillars (2) are symmetrically arranged on the left and right sides of the top of the base (1), and the other pillar (2) is arranged on the rear side of the top of the base (1); A storage platform (3), wherein the number of the storage platforms (3) is three, and the three storage platforms (3) are respectively arranged on the top of three pillars (2); A first welding plate (5), the number of the first welding plates (5) being four, and the four first welding plates (5) being divided into two groups, and respectively arranged on the top of the two front storage tables (3); A first cylinder (7), wherein the number of the first cylinders (7) is two, and the two first cylinders (7) are both fixedly mounted on the top of the base (1) and are respectively arranged in front of the two front pillars (2); Limit rods (8), the number of the limit rods (8) being two, the front ends of the two limit rods (8) being fixedly connected to the output ends of the two first cylinders (7) respectively, and the rear ends of the two limit rods (8) being provided with leather pads (9); A bumper body (10), the bumper body (10) being arranged in an arc shape and opening forward, the left and right ends of the bumper body (10) being arranged on the tops of the two front storage platforms (3) respectively, and the rear middle part of the bumper body (10) being arranged on the top of the rear storage platform (3); A pair of support columns (11) fixedly mounted at the middle of the top end of the base (1); A support plate (12) fixedly mounted on the top of the two support columns (11); A double-exhaust cylinder (13) is fixedly mounted on the top of the support plate (12), the output end of the double-exhaust cylinder (13) is fixedly connected to the front end of the push plate (14), and the rear end of the push plate (14) is in contact with the bumper body (10); A second welding plate (15) is arranged on the rear side of the top of the rear storage platform (3), and the front end of the second welding plate (15) is in contact with the rear end of the bumper body (10); A column (16) is fixedly mounted on the top rear side of the base (1), and the column (16) is arranged behind the rear support column (2); A pair of support blocks (17) are symmetrically arranged on the top of the column (16); a rotating shaft (18) is rotatably mounted between the two support blocks (17); the rotating shaft (18) is fixedly connected to the middle of the arc-shaped rod (19); a pressing block (20) is fixedly connected to the bottom of the front end of the arc-shaped rod (19); and a movable block (21) is hingedly connected to the rear end of the arc-shaped rod (19); The second cylinder (22) is fixedly mounted on the rear end of the column (16), and the output end of the second cylinder (22) is fixedly connected to the movable block (21).

2. The automobile bumper electric welding positioning fixture according to claim 1, characterized in that: The three pillars (2) are fixedly connected to the base (1) via a plurality of fixing bolts (4).

3. The automobile bumper electric welding positioning fixture according to claim 1, characterized in that: A plurality of fixing columns (6) are respectively arranged on the top of the three storage tables (3), and a plurality of the first welding plates (5) and the second welding plates (15) are movably connected to the storage tables (3) via the fixing columns (6).

4. The automobile bumper electric welding positioning fixture according to claim 1, characterized in that: The rear ends of the two limit rods (8) are respectively arranged above the left and right ends of the bumper body (10).

5. The automobile bumper electric welding positioning fixture according to claim 1, characterized in that: The four first welding plates (5) are respectively in contact with the left and right side surfaces of the front end of the bumper body (10).

6. The automobile bumper electric welding positioning fixture according to claim 1, characterized in that: The bottom of the pressing block (20) abuts against the top of the second welding plate (15), and the rear end bottom of the second welding plate (15) abuts against the front end top of the column (16).

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