Automobile rear wall outer plate welding fixture

Abstract

The utility model relates to the technical field of automobile parts, in particular to an automobile rear wall outer plate welding clamp which comprises a movable frame, a plurality of sets of clamping pieces used for clamping a rear wall outer plate are installed above the movable frame, each clamping piece comprises a supporting arm fixedly installed on the movable frame, a first overturning air cylinder is fixedly installed on the other side of each supporting arm, and a second overturning air cylinder is fixedly installed on the other side of each supporting arm. The output end of the first overturning air cylinder is connected with a clamping rod, a plurality of sets of stabilizing pieces opposite to the clamping pieces are installed on the movable frame, the stabilizing pieces and the clamping pieces are arranged in a staggered mode, and edge clamping pieces are installed at the positions, on the edges of the two ends of the rear wall outer plate, of the movable frame. After a first overturning air cylinder is used for driving a clamping rod to overturn, one side of the rear wall outer plate is clamped through the clamping rod and a supporting plate, contact pressing is conducted on the top of the rear wall outer plate through a stabilizing piece, the clamping stability of the rear wall outer plate is improved, edge clamping pieces on the two sides of a movable frame are used for clamping the edges of the two ends of the rear wall outer plate, and therefore the clamping stability of the rear wall outer plate is improved. The whole rear wall outer plate is wrapped and clamped, and the welding stability of the rear wall outer plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a welding fixture for the outer panel of the automobile rear wall. Background Art

[0002] In the production and processing of the automobile rear wall panel, due to the different structures and sizes of the inner panel and the outer panel of the rear wall, different fixtures are required to fix the inner and outer panels of the rear wall through the fixtures and then perform welding. During the welding process, in order to prevent the outer panel of the rear wall from moving and causing deviation, a matching welding fixture is required to fix and clamp the outer panel of the rear wall.

[0003] The outer panel fixture in the prior art 202110972576.4 includes a bottom plate, a front bracket is arranged on the front side of the bottom plate, a placement rack is arranged on the rear side of the front bracket, the upper end of the front bracket is rotatably connected with a front clamping arm, a front pressing block is installed at the outer end of the front clamping arm, a rear bracket is arranged on the rear side of the bottom plate, a rear clamping arm is rotatably arranged on the rear bracket, a fixing frame is installed at the front end of the rear clamping arm, a rear pressing block is arranged on the front side of the outer end of the fixing frame, an upper positioning pin is inserted into the rear side of the left end of the fixing frame, a connecting frame is arranged on the left side in the middle of the rear clamping arm, and a U-shaped positioning block is arranged on the lower side of the connecting frame.

[0004] The above structure presses and fixes the outer panel of the rear wall from the front pressing block. However, due to the non-uniform specifications of the outer panel of the rear wall, the outer panel of the rear wall cannot be clamped as a whole, and it is easy to shake and affect the welding. Content of the Utility Model

[0005] In view of this, the purpose of the utility model is to provide a welding fixture for the outer panel of the automobile rear wall to solve the problems that the outer panel of the rear wall cannot be clamped as a whole and the welding process is prone to shaking and affecting the welding.

[0006] Based on the above purpose, the utility model provides a welding fixture for the outer panel of the automobile rear wall, which includes a moving frame. A plurality of clamping members for clamping the outer panel of the rear wall are installed above the moving frame. The clamping member includes a support arm fixedly installed on the moving frame. A support plate is fixedly installed on one side of the support arm, and a first flipping cylinder is fixedly installed on the other side of the support arm. The output end of the first flipping cylinder is connected with a clamping rod. A plurality of stabilizing members opposite to the clamping members are installed on the moving frame. The stabilizing members and the clamping members are arranged alternately. The stabilizing members are used to contact and press the top of the outer panel of the rear wall. Clamping edge members are installed at the two ends and edges of the outer panel of the rear wall on the moving frame. Preferably, there are at least four stabilizing members and at least five clamping members.

[0007] Preferably, the stabilizing member includes a vertical beam installed on the moving frame. A second flipping cylinder is installed on one side of the vertical beam. The output end of the second flipping cylinder is connected with a attaching plate. A sliding plate is slidably installed outside the attaching plate.

[0008] Preferably, the vertical beams are symmetrically inclined with respect to the center of the movable frame, and rubber is provided on the inner side of the sliding plate.

[0009] Preferably, the edge clamping member includes a support frame installed on a movable frame, a flip cylinder three is fixedly installed on one side of the support frame, a top arm is installed on the other end of the support frame, a pressure rod is rotatably installed on the outside of the top arm, and a resistance plate is installed on the output end of the flip cylinder three.

[0010] Preferably, the pressure rod is an L-shaped structure, and a space for accommodating a rear outer panel is left between the top arm and the pressure rod.

[0011] The beneficial effects of the utility model are as follows: the rear outer panel to be welded is placed on a support plate in multiple groups of support arms, and after the clamping rod is driven to flip by a flip cylinder, one side of the rear outer panel is clamped by the clamping rod and the support plate. During the clamping process, the top of the rear outer panel is contacted and pressed by a stabilizing member to improve the clamping stability of the rear outer panel, and the edge clamping members on both sides of the movable frame clamp the edges of the rear outer panel at both ends, and the rear outer panel is wrapped and clamped as a whole to improve the stability of the welding of the rear outer panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 It is a front view structural schematic diagram of the utility model as a whole;

[0015] Figure 3 It is a schematic diagram of the installation structure of the utility model as a whole and the rear outer panel;

[0016] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure of part A;

[0017] Figure 5 It is a three-dimensional structural schematic diagram of the stabilizing member of the utility model.

[0018] The markings in the figure are: 1. Moving frame; 2. Clamping part; 3. Support arm; 4. Flip cylinder one; 5. Support plate; 6. Clamping rod; 7. Stabilizing part; 8. Vertical beam; 9. Flip cylinder two; 10. Sticking plate; 11. Sliding plate; 12. Edge clamping part; 13. Support frame; 14. Flip cylinder three; 15. Top arm; 16. Pressure rod; 17. Contact plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0020] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a welding fixture for the rear outer panel of an automobile comprises a mobile frame 1, on the upper part of the mobile frame 1 are installed a plurality of clamping members 2 for clamping the rear outer panel, the clamping member 2 comprises a support arm 3 fixedly mounted on the mobile frame 1, a support plate 5 is fixedly mounted on one side of the support arm 3, and a flip cylinder 4 is fixedly mounted on the other side of the support arm 3, and a clamping rod 6 is connected to the output end of the flip cylinder 4; a plurality of stabilizing members 7 opposite to the clamping members 2 are installed on the mobile frame 1, the stabilizing members 7 and the clamping members 2 are staggered, and the stabilizing members 7 are used to stabilize the rear outer panel. The top of the outer panel is contacted and pressed; the mobile frame 1 is provided with edge clamps 12 at the two end edges of the rear outer panel; in this embodiment, the rear outer panel to be welded is placed on the support plate 5 in the multiple groups of support arms 3, and the clamping rod 6 is driven to flip by the flip cylinder 4, and then the clamping rod 6 and the support plate 5 are used to clamp one side of the rear outer panel, and at the same time, the top of the rear outer panel is contacted and pressed by the stabilizing member 7 to improve the clamping stability of the rear outer panel, and the edge clamps 12 on both sides of the mobile frame 1 clamp the two end edges of the rear outer panel.

[0021] As an implementation method, Figure 1 , Figure 2 As shown, there are at least four groups of stabilizing members 7 and at least five groups of clamping members 2 .

[0022] Among them, by staggered arrangement of the stabilizing member 7 and the clamping member 2, the entire rear outer panel can be wrapped and clamped.

[0023] As an implementation method, Figure 1 , Figure 2 and Figure 3 As shown, the stabilizing member 7 includes a vertical beam 8 installed on the mobile frame 1, a flip cylinder 9 is installed on one side of the vertical beam 8, an output end of the flip cylinder 9 is connected to a sticking plate 10, and a sliding plate 11 is slidably installed on the outside of the sticking plate 10.

[0024] The vertical beams 8 are symmetrically inclined with respect to the center of the moving frame 1 , and rubber is disposed on the inner side of the sliding plate 11 .

[0025] In this embodiment, the flip cylinder 2 9 drives the plate 10 to flip, the plate 10 contacts the top of the rear outer panel, and then the sliding plate 11 moves outside the plate 10 to adapt to different widths of the rear outer panel. At the same time, the inclined vertical beam 8 is adapted to the shape of the rear outer panel, and the sliding plate 11 and the plate 10 are tilted accordingly, thereby improving the contact and pressure of the stabilizing member 7 on the rear outer panel.

[0026] As an implementation method, Figure 1 , Figure 3 and Figure 4 As shown, the edge clamping member 12 includes a support frame 13 installed on the mobile frame 1, a flip cylinder 3 14 is fixedly installed on one side of the support frame 13, a top arm 15 is installed on the other end of the support frame 13, a pressure rod 16 is rotatably installed on the outside of the top arm 15, and a resistance piece 17 is installed on the output end of the flip cylinder 3 14.

[0027] The pressure rod 16 is an L-shaped structure, and a space for accommodating the rear outer panel is reserved between the top arm 15 and the pressure rod 16 .

[0028] In this embodiment, after the two end edges of the rear outer panel are placed on the top arm 15, the flip cylinder 14 drives the resistance piece 17 to flip, and the two ends of the rear outer panel are clamped by the combination of the resistance piece 17 and the top arm 15. At the same time, the pressure rod 16 outside the top arm 15 rotates and contacts with the edge of the rear outer panel, so as to firmly clamp the two ends of the rear outer panel.

[0029] Working principle: When in use, the rear outer panel to be welded is placed on the support plate 5 in the multiple groups of support arms 3, and the clamping rod 6 is driven to flip by the flip cylinder 1 4, and the clamping rod 6 and the support plate 5 are used to clamp one side of the rear outer panel. At the same time, the flip cylinder 2 9 drives the pasting plate 10 to flip, and the pasting plate 10 contacts the top of the rear outer panel, and then the sliding plate 11 is moved outside the pasting plate 10 to adapt to the width of different rear outer panels. At the same time, the inclined vertical beam 8 is adapted to the shape of the rear outer panel, and the sliding plate 11 and the pasting plate 10 are adjusted accordingly. The stabilizing member 7 is tilted to improve the contact and pressing of the rear outer panel by the stabilizing member 7, and the staggered arrangement of the stabilizing member 7 and the clamping member 2 can wrap and clamp the entire rear outer panel; when the edges of both ends of the rear outer panel are placed on the top arm 15, the resistance piece 17 is driven to flip by the flip cylinder 3 14, and the two ends of the rear outer panel are clamped by the combination of the resistance piece 17 and the top arm 15, and at the same time, the pressure rod 16 outside the top arm 15 rotates and contacts with the edge of the rear outer panel, so that the two ends of the rear outer panel are firmly clamped.

[0030] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0031] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A welding fixture for a rear outer panel of an automobile, comprising a movable frame (1), characterized in that: A plurality of groups of clamping members (2) for clamping the rear outer panel are installed above the movable frame (1), the clamping member (2) comprising a support arm (3) fixedly installed on the movable frame (1), a support plate (5) fixedly installed on one side of the support arm (3), and a flip cylinder (4) fixedly installed on the other side of the support arm (3), the output end of the flip cylinder (4) being connected to a clamping rod (6); a plurality of groups of stabilizing members (7) opposite to the clamping members (2) are installed on the movable frame (1), the stabilizing members (7) and the clamping members (2) being arranged in an alternating manner, and the stabilizing members (7) being used for contact pressing the top of the rear outer panel; and edge clamping members (12) are installed on the movable frame (1) at both end edges of the rear outer panel.

2. The automobile rear outer panel welding fixture according to claim 1, characterized in that: The stabilizing members (7) are in at least four groups, and the clamping members (2) are in at least five groups.

3. The automobile rear outer panel welding fixture according to claim 2, characterized in that: The stabilizing member (7) comprises a vertical beam (8) mounted on the mobile frame (1), a second flip cylinder (9) being mounted on one side of the vertical beam (8), an output end of the second flip cylinder (9) being connected to a contact plate (10), and a sliding plate (11) being slidably mounted on the outside of the contact plate (10).

4. The automobile rear outer panel welding fixture according to claim 3, characterized in that: The vertical beams (8) are symmetrically arranged with respect to the center of the moving frame (1) and are inclined, and rubber is arranged on the inner side of the sliding plate (11).

5. The automobile rear outer panel welding fixture according to claim 1, characterized in that: The edge clamping member (12) comprises a support frame (13) mounted on the movable frame (1), a third flip cylinder (14) being fixedly mounted on one side of the support frame (13), a top arm (15) being mounted on the other end of the support frame (13), a pressure rod (16) being rotatably mounted on the outside of the top arm (15), and a contact piece (17) being mounted on the output end of the third flip cylinder (14).

6. The automobile rear outer panel welding fixture according to claim 5, characterized in that: The pressure rod (16) is an L-shaped structure, and a space for accommodating a rear enclosure outer panel is left between the top arm (15) and the pressure rod (16).

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