Automobile control arm welding tool

Abstract

The utility model relates to an automobile control arm welding tool which comprises a tool bottom plate, a side pressing air cylinder, an L-shaped butt joint seat and an end locating seat are sequentially installed at the upper end of the tool bottom plate from left to right, the side pressing air cylinder is horizontally arranged, the right end of a piston rod of the side pressing air cylinder is connected with a locating column, and a side inserting column is axially arranged at the free end of the locating column. The upper portion of the L-shaped butt joint seat is provided with a side inserting hole matched with the side inserting column, the upper end of the tool bottom plate is provided with a vertical plate on each of the front side and the rear side of the end positioning seat, the upper ends of the two vertical plates are provided with a top plate, the upper end of the top plate is vertically provided with a downward pressing air cylinder, and the lower end of a piston rod of the downward pressing air cylinder is provided with a hole position plug. A hole position column and a lower inserting column are sequentially and concentrically arranged at the lower end of the hole position plug from top to bottom, and a lower inserting hole matched with the lower inserting column is formed in the upper end of the end positioning base. The control arm upper plate, the control arm lower plate and the sleeve are accurately positioned, and the position accuracy of all components is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile control arm, especially to an automobile control arm welding tool. BACKGROUND

[0002] The control arm is a key safety part of the automobile suspension, which connects the steering knuckle and the subframe, controls the positioning parameters of the suspension during the movement process and transmits the load, and the rigidity and strength requirements are very high.

[0003] The structure of the automobile control arm is different, and the required tooling for processing is also different. Figures 7-8 As shown in the figure, the automobile control arm includes an upper control arm plate 29, a lower control arm plate 31 and a sleeve 32, the lower control arm plate 31 is provided with four lower butt joint hole positions 34, the right end of the lower control arm plate 31 is provided with a circular mounting part 33, the upper control arm plate 29 is provided with an upper butt joint hole position 30 above each of the two lower butt joint hole positions 34, the edge connection between the upper control arm plate 29 and the lower control arm plate 31 needs to be welded and fixed, and the middle part of the connection between the upper control arm plate 29 and the lower control arm plate 31 also needs to be welded and fixed with the sleeve 32, the upper control arm plate 29, the lower control arm plate 31 and the sleeve 32 need to be precisely positioned to ensure the positional accuracy of each component, so as to obtain qualified automobile control arms. However, there is no tooling for this automobile control arm structure at present, which cannot guarantee the qualified rate of the product. SUMMARY

[0004] The utility model solves the technical problem to provide an automobile control arm welding tool, which precisely positions the upper control arm plate, the lower control arm plate and the sleeve, ensures the positional accuracy of each component, makes the automobile control arm welding more accurate and efficient, and improves the efficiency of the welding work.

[0005] The utility model discloses a technical scheme that the utility model solves its technical problem adopts technical scheme: provide a kind of automobile control arm welding tool, including tool base plate, the tool base plate upper end is successively installed with side pressure cylinder, L type butt joint seat and end positioning seat from left to right, the side pressure cylinder is horizontally arranged, the piston rod right end of this side pressure cylinder is connected with positioning column, the free end of the positioning column is axially equipped with side plug-in column, a circle of step is arranged in the positioning column middle part, the L type butt joint seat upper part is equipped with the side insertion hole that cooperates with side plug-in column, the tool base plate upper end is located in the front and rear sides of end positioning seat and is installed with one vertical plate, the upper end of two vertical plates is installed with top plate, the top plate upper end is vertically installed with down pressure cylinder, the piston rod lower end of this down pressure cylinder is installed with hole position plug, the hole position plug lower end is successively concentrically equipped with hole position column and lower plug-in column from top to bottom, the end positioning seat upper end is equipped with the lower insertion hole that cooperates with lower plug-in column, the tool base plate upper end is located between L type butt joint seat and end positioning seat and the rear of positioning column and is installed with one support column, the upper end of each support column is equipped with a hole position protrusion in middle part, the tool base plate upper end is located in the rear of L type butt joint seat and is installed with fixed plate, and the upper end of this fixed plate is staggered and arranged with two tertiary pins, the tertiary pin includes lower and is successively axially arranged lower part column, middle part column and upper part column, the diameter of the upper part column is less than the diameter of middle part column, and the diameter of the middle part column is less than the diameter of lower part column.

[0006] As a supplement to the technical scheme of the utility model, the upper end of the top plate is located at the side of the down pressure cylinder and is provided with at least one guide rod sliding up and down, and the lower end of the guide rod is connected with the hole position plug.

[0007] As a supplement to the technical scheme of the utility model, the upper end of the tool base plate is located at the rear of the fixed plate and is provided with an inclined seat, the upper surface of the inclined seat is an inclined surface, and the inclined surface is arranged from front to rear and upward.

[0008] As a supplement to the technical scheme of the utility model, a chamfer is arranged at the upper end of the lower insertion hole.

[0009] As a supplement to the technical scheme of the utility model, the lower end of the vertical plate is provided with a mounting block in the middle part, the lower end of the end positioning seat is provided with a mounting column in the middle part, the tool base plate is provided with a mounting hole matched with the mounting block and the mounting column, and the tool base plate and the vertical plate and the tool base plate and the end positioning seat are fixedly connected by fasteners.

[0010] Beneficial effects: the utility model relates to a kind of automobile control arm welding tool, accurately position control arm upper plate, control arm lower plate and sleeve, guarantee the position accuracy of each component, make automobile control arm welding more accurate and efficient, improve the efficiency of welding work simultaneously.The utility model also has the advantages of simple structure, convenient and comfortable to use, low manufacturing cost and the like. Attached Figure Description

[0011] Figure 1 This is a structural diagram of the present invention before the product is installed;

[0012] Figure 2 This is a schematic diagram of the structure of the product with the present invention installed;

[0013] Figure 3 This is a schematic diagram of the structure of the vertical plate, top plate, pressing cylinder, hole plug and guide rod described in this utility model;

[0014] Figure 4 This is a schematic diagram of the end positioning seat described in this utility model;

[0015] Figure 5 This is a schematic diagram of the three-stage pin structure described in this utility model;

[0016] Figure 6 This is a schematic diagram of the structure of the tooling base plate described in this utility model;

[0017] Figure 7 This is a structural schematic diagram of the welding product of this utility model;

[0018] Figure 8 This is a structural schematic diagram of the welding product of this utility model from different angles.

[0019] Illustration: 1. Tooling base plate, 2. Side pressure cylinder, 3. Positioning post, 4. L-shaped docking seat, 5. End positioning seat, 6. Support post, 7. Hole protrusion, 8. Step, 9. Side insertion post, 10. Fixing plate, 11. Three-stage pin, 12. Inclined seat, 13. Relying inclined surface, 14. Vertical plate, 15. Top plate, 16. Downward pressure cylinder, 17. Hole plug, 18. Guide rod, 19. Hole post, 20. Downward insertion post, 21. Downward insertion hole, 22. Chamfer, 23. Lower post, 24. Middle post, 25. Upper post, 26. Mounting block, 27. Mounting post, 28. Mounting hole, 29. Control arm upper plate, 30. Upper docking hole, 31. Control arm lower plate, 32. Sleeve, 33. Mounting part, 34. Lower docking hole. Detailed Implementation

[0020] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0021] The embodiments of this utility model relate to a welding fixture for an automotive control arm, such as...Figures 1-8 As shown, it comprises a tool base plate 1, the upper end of which is sequentially provided with a side pressing cylinder 2, an L-shaped butt joint seat 4 and an end positioning seat 5 from left to right, the side pressing cylinder 2 is horizontally arranged, the piston rod right end of the side pressing cylinder 2 is connected with a positioning column 3, the free end of the positioning column 3 is axially provided with a side inserting column 9, a step 8 is arranged in the middle of the positioning column 3, the upper part of the L-shaped butt joint seat 4 is provided with a side inserting hole matched with the side inserting column 9, the upper end of the tool base plate 1 is provided with a vertical plate 14 on the front and back sides of the end positioning seat 5, the upper end of the two vertical plates 14 is provided with a top plate 15, the upper end of the top plate 15 is vertically provided with a downward pressing cylinder 16, the lower end of the piston rod of the downward pressing cylinder 16 is provided with a hole position plug 17, the lower end of the hole position plug 17 is sequentially provided with a hole position column 19 and a lower inserting column 20 from top to bottom, the upper end of the end positioning seat 5 is provided with a lower inserting hole 21 matched with the lower inserting column 20, the upper end of the tool base plate 1 is provided with a supporting column 6 between the L-shaped butt joint seat 4 and the end positioning seat 5 and behind the positioning column 3, the upper end of each supporting column 6 is provided with a hole position protrusion 7 in the middle, the upper end of the tool base plate 1 is provided with a fixed plate 10 behind the L-shaped butt joint seat 4, the upper end of the fixed plate 10 is provided with two tertiary pins 11 arranged in staggered manner, the tertiary pin 11 sequentially comprises a lower column 23, a middle column 24 and an upper column 25 arranged in axial direction from bottom to top, the diameter of the upper column 25 is smaller than that of the middle column 24, and the diameter of the middle column 24 is smaller than that of the lower column 23.

[0022] The upper end of the top plate 15 is provided with at least one guide rod 18 sliding up and down on the side of the downward pressing cylinder 16, the lower end of the guide rod 18 is connected with the hole position plug 17; the guide rod 18 is arranged to improve the stability of the upward and downward movement of the hole position plug 17.

[0023] The upper end of the tool base plate 1 is provided with an inclined leaning seat 12 behind the fixed plate 10, the upper end surface of the inclined leaning seat 12 is an inclined surface 13.

[0024] A circle of chamfers 22 is arranged at the upper end of the lower inserting hole 21, the circle of chamfers 22 is arranged to facilitate the insertion of the lower inserting column 20.

[0025] The lower end of the vertical plate 14 is provided with a mounting block 26 in the middle, the lower end of the end positioning seat 5 is provided with a mounting column 27 in the middle, the mounting block 26 and the mounting column 27 are aligned with the mounting holes 28 on the tool base plate 1 and are inserted, which ensures the accuracy of the assembly position of the vertical plate 14 and the end positioning seat 5, then the tool base plate 1 and the vertical plate 14 and the tool base plate 1 and the end positioning seat 5 are fixedly connected by fasteners, the fasteners are bolts or screws.

[0026] Firstly, the three-stage pin 11 is placed on the inclined seat 12 and the end positioning seat 5, the three-stage pin 11 comprises a lower column 23, a middle column 24 and an upper column 25 arranged axially in sequence from bottom to top, the hole position protrusion 7 at the upper middle part of the two support columns 6 and the middle upper part (i.e. the middle column 24 and the upper column 25) of the two three-stage pins 11 are respectively inserted into the four lower butt joint hole positions 34, the support columns 6 and the lower column 23 are used for supporting the lower end of the lower butt joint hole position 34, the positioning of the control arm lower plate 31 is realized, the mounting part 33 at the right end of the control arm lower plate 31 is aligned with the lower insertion hole 21 at the upper end of the end positioning seat 5, then the downward movement of the hole position plug 17 is started to control the cylinder 16, the upper end of the mounting part 33 is pressed by the lower end surface of the hole position plug 17, the hole position column 19 at the lower end of the hole position plug 17 is inserted into the inner hole of the mounting part 33, the lower insertion column 20 at the lower end of the hole position column 19 is inserted into the lower insertion hole 21, the control arm lower plate 31 is fixed, then the sleeve 32 is sleeved on the positioning column 3, the left side of the sleeve 32 leans against the step 8 at the middle part of the positioning column 3, the side insertion column 9 at the right end of the positioning column 3 is inserted into the side insertion hole at the upper part of the L-shaped butt joint seat 4 by starting the side pressing cylinder 2, the sleeve 32 is limited and fixed through the cooperation of the left side wall at the upper part of the L-shaped butt joint seat 4 and the step 8, then the control arm upper plate 29 is placed on the control arm lower plate 31, at the same time, the upper column 25 of the two three-stage pins 11 is respectively inserted into the two upper butt joint hole positions 30, the middle column 24 of the two three-stage pins 11 and the hole position protrusion 7 at the upper middle part of the two support columns 6 are used for supporting the control arm upper plate 29, the positioning of the control arm upper plate 29 is realized, finally, the edge connection between the control arm upper plate 29 and the control arm lower plate 31 is welded and fixed through the welding equipment, the middle part of the connection between the control arm upper plate 29 and the control arm lower plate 31 is welded and fixed with the sleeve 32, the required product is obtained, the downward cylinder 16 and the side pressing cylinder 2 are reset, and then the welded product can be taken down.

[0027] In the description of the utility model, it is understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the circumstances without making opposite statement, these orientation words do not indicate and imply that the device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it can not be understood as the limitation to the protection scope of the utility model, the orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.

[0028] For purposes of the description hereinafter, spatial

[0029] In addition, it should be noted that the use of "first", "second", etc. words to define parts, only for the convenience of the corresponding parts are distinguished, such as no further declaration, the above words have no special meaning, therefore can not be understood as the limit of the scope of protection of the utility model.

[0030] The above is a detailed introduction to the automobile control arm welding tool provided by the present application, the principle and implementation mode of the present application are described in this paper, the above example is only used to help understand the method and core idea of the present application; At the same time, for those skilled in the art, according to the idea of the present application, the specific implementation mode and application range will be changed; In view of the above, the content of the specification should not be understood as the limitation of the present application.

Claims

1. An automotive control arm welding fixture comprising a fixture base plate (1), characterised in that: The left-to-right sequential installation of the upper end of the tool base plate (1) is side pressure cylinder (2), L-shaped butt joint seat (4) and end positioning seat (5), the side pressure cylinder (2) is horizontally arranged, the piston rod right end of the side pressure cylinder (2) is connected with positioning column (3), the free end of the positioning column (3) is axially provided with side insertion column (9), a step (8) is arranged in the middle of the positioning column (3), the upper part of the L-shaped butt joint seat (4) is provided with side insertion hole matched with the side insertion column (9), the upper end of the tool base plate (1) is provided with a vertical plate (14) on the front and rear sides of the end positioning seat (5), the upper end of the two vertical plates (14) is provided with a top plate (15), the upper end of the top plate (15) is vertically provided with a lower pressing cylinder (16), the lower end of the piston rod of the lower pressing cylinder (16) is provided with hole position plug (17), the lower end of the hole position plug (17) is sequentially provided with hole position column (19) and lower insertion column (20) from top to bottom, the upper end of the end positioning seat (5) is provided with lower insertion hole (21) matched with the lower insertion column (20), the upper end of the tool base plate (1) is provided with a support column (6) between the L-shaped butt joint seat (4) and the end positioning seat (5) and behind the positioning column (3), a hole position protrusion (7) is arranged in the middle of the upper end of each support column (6), the upper end of the tool base plate (1) is provided with a fixed plate (10) behind the L-shaped butt joint seat (4), the upper end of the fixed plate (10) is staggeredly provided with two three-stage pins (11), the three-stage pin (11) comprises lower-to-upper sequentially axially arranged lower column (23), middle column (24) and upper column (25), the diameter of the upper column (25) is smaller than the diameter of the middle column (24), and the diameter of the middle column (24) is smaller than the diameter of the lower column (23).

2. The control arm welding fixture of claim 1, wherein: The upper end of the top plate (15) is provided with at least one up-and-down sliding guide rod (18) on the side of the lower pressing cylinder (16), and the lower end of the guide rod (18) is connected with the hole position plug (17).

3. The control arm welding fixture of claim 1, wherein: The upper end of the tool base plate (1) is provided with an inclined leaning seat (12) behind the fixed plate (10), the upper end surface of the inclined leaning seat (12) is an inclined surface (13) arranged from front to back and upward.

4. The control arm welding fixture of claim 1, wherein: A circle of chamfer (22) is arranged at the upper end of the lower insertion hole (21).

5. The control arm welding fixture of claim 1, wherein: The lower end of the vertical plate (14) is provided with a mounting block (26) in the middle, the lower end of the end positioning seat (5) is provided with a mounting column (27) in the middle, the tool base plate (1) is provided with mounting holes (28) matched with the mounting block (26) and the mounting column (27), and the tool base plate (1) and the vertical plate (14) and the tool base plate (1) and the end positioning seat (5) are fixedly connected by fasteners.

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