Punching device and punching method for vehicle body side outer panel

Abstract

The present invention discloses a punching device for a vehicle body side outer panel, comprising a support seat, the top of the support seat is installed at the middle of the bottom end of a punching bearing plate, the top of the punching bearing plate is connected to a push plate through a rolling mechanism, the front and rear sides of the top of the push plate are connected to the bottom end of a connecting plate through a sliding mechanism, the rear side of the top of the punching bearing plate is installed at the bottom end of the rear side of the connecting plate through a lifting plate, and the middle of the connecting plate is penetrated by a connecting rod. Under the joint use of the rolling mechanism and the sliding mechanism, the present invention enables the push plate to relatively stably push the side outer panel to move on the top of the punching bearing plate, cooperates with a punching gun to perform punching work, improves the stability and efficiency of the device during use, can ensure the hole position and dimensional accuracy of the vehicle body side outer panel, improves the working efficiency of the device during use, and can meet the needs of large-scale and large-scale production.

Description

Technical Field

[0001] The invention belongs to the technical field of punching devices, and in particular relates to a punching device for a vehicle body side outer panel and a punching method thereof. Background Art

[0002] With the continuous development of the modern automobile industry, the country pays more and more attention to the safety of automobile operation, and relevant regulations on operating passenger bus technology are constantly introduced and standards are continuously improved.

[0003] In the automotive field, punching of sheet metal parts mostly adopts manual drilling process. After the welding of the whole vehicle is completed, a positioning template is used online to perform manual drilling. However, this operation method has low production efficiency, and the hole position and dimensional accuracy cannot be guaranteed, which cannot meet the needs of large-scale and large-scale production.

[0004] Therefore, we propose a punching device and a punching method for a vehicle body side outer panel to solve the above problems. Summary of the invention

[0005] The present invention aims at the problem that the prior art is to manually perform hole drilling; however, this operation method has low production efficiency, and the hole drilling position and dimensional accuracy cannot be guaranteed, and cannot meet the needs of large-scale and large-scale production. The following technical solutions are proposed:

[0006] The punching device of the vehicle body side outer panel comprises a support seat, the top end of the support seat is installed in the middle of the bottom end of the punching bearing plate, the top end of the punching bearing plate is connected to a pushing plate through a rolling mechanism, the front and rear sides of the top end of the pushing plate are connected to the bottom end of the connecting plate through a sliding mechanism, the rear side of the top end of the punching bearing plate is installed at the bottom end of the rear side of the connecting plate through a lifting plate, the middle part of the connecting plate is penetrated by a connecting rod, the bottom end of the connecting rod is fixedly installed in the middle of the top end of the stamping plate, the middle part of the bottom end of the stamping plate is installed with a stamping gun through a disassembly and assembly mechanism, the top end of the connecting rod penetrates the outer wall of the connecting plate and is installed in the middle of the bottom end of the fixed plate, the middle part of the top end of the fixed plate is fixedly installed in the middle of the bottom end of the hydraulic rod, the top end of the hydraulic rod is installed in the middle of the bottom end of the connecting top plate, and the top end of the connecting plate is connected to the connecting top plate through a support frame.

[0007] The punching gun at the bottom of the punching plate is driven to punch the side outer plate carried by the top of the punching bearing plate, thereby ensuring the working efficiency of the device during use.

[0008] As a preferred embodiment of the above technical solution, sliding rods are fixedly installed at the bottom ends of the connecting top plates on both sides of the hydraulic rod, and the outer walls of the sliding rods are slidably connected to the first sliding blocks, and the outer walls of the inner sides of the two groups of first sliding blocks are installed on the top ends of both sides of the fixed plate.

[0009] Under the sliding linkage of the slide rod and the first slide block, the stability of the lifting and lowering operation of the connecting rod and the punching gun is guaranteed, thereby ensuring the stability and efficiency of the device during use.

[0010] As a preferred embodiment of the above technical solution, protective pads are glued on both sides of the bottom end of the stamping plate.

[0011] Under the protective effect of the protective pad, when the stamping plate and the stamping gun are punching holes in the side panel outer panel, the protective pad protects the stamping plate and the side panel outer panel to prevent the stamping plate from vibrating during the stamping process under the action of the stamping gun and contacting with the side panel outer panel, causing scratches on the side panel outer panel.

[0012] As a preferred embodiment of the above technical solution, the rolling mechanism includes a third limiting groove opened on both sides of the front and rear of the left bottom end of the push plate, a second spring is welded to the middle of the inner wall of the third limiting groove, and the bottom end of the second spring is welded to the middle of the top of the installation frame, a rolling ball is rollingly embedded in the middle of the bottom end of the installation frame, and the bottom end of the rolling ball rolls against the inner side of the slide groove, and the slide groove is opened on both sides of the front and rear of the top of the punching bearing plate;

[0013] The sliding mechanism includes a second slider fixedly mounted on the front and rear sides of the left top of the push plate, and the top of the second slider is slidably connected to the inner side of the second slide rail, and the second slide rail is opened on the front and rear sides of the bottom end of the connecting plate.

[0014] With the joint use of the rolling mechanism and the sliding mechanism, the pushing plate can relatively stably push the side outer panel to move on the top of the punching bearing plate, and cooperate with the punching gun to perform punching work, which improves the stability and efficiency of the device during use, can ensure the opening position and dimensional accuracy of the side outer panel of the vehicle body, improves the working efficiency of the device during use, and can meet the needs of large-scale and large-scale production.

[0015] As a preferred embodiment of the above technical solution, third sliders are fixedly installed on both sides of the top of the installation frame, and the third sliders are slidably connected to the inner side of the third slide rail, and the third slide rails are symmetrically opened on the left and right sides of the inner wall of the third limiting groove.

[0016] Under the sliding action of the third slider and the third slide rail, the installation frame together with the rolling ball can move relatively stably inside the slide groove, further improving the stability of the pushing plate in pushing the vehicle body side outer panel in the middle of the punching bearing plate and the connecting plate.

[0017] As a preferred embodiment of the above technical solution, a handle is fixedly installed in the middle of the left outer wall of the push plate.

[0018] The hydraulic rod can be pushed relatively conveniently under the action of the pull handle, which improves the convenience and efficiency of the device during use.

[0019] As a preferred embodiment of the above technical solution, the disassembly and assembly mechanism includes a first limiting groove opened in the middle of the bottom end of the stamping plate, and a plug-in plate is inserted into the inner side of the first limiting groove, a stamping gun is fixedly installed in the middle of the bottom end of the plug-in plate, plug-in blocks are inserted into both sides of the bottom end of the plug-in plate, and the bottom ends of the plug-in blocks are fixedly installed on the top of the pull plate, the outer top end of the pull plate is fixedly installed on the bottom end of the outer wall inside the movable inner plate, the top of the movable inner plate is fixedly installed in the middle of the bottom end of the fixed top plate, a first spring is welded in the middle of the top end of the fixed top plate, and the top end of the first spring is welded in the middle of the inner wall of the second limiting groove, and the second limiting grooves are symmetrically opened on both sides of the outer wall of the bottom end of the stamping plate.

[0020] With the use of the disassembly and assembly mechanism, the punching gun can be replaced and installed relatively conveniently, so that punching operations of different sizes can be performed on the side outer panel of the vehicle body, ensuring the functionality of the device during the hole punching process.

[0021] As a preferred embodiment of the above technical solution, the outer wall of the fixed top plate is symmetrically rollingly embedded with multiple sets of balls, and the outer walls outside the balls are all rollingly abutted against the inner wall of the first slide rail, and the first slide rail is symmetrically opened in the middle of the second limiting groove.

[0022] Under the rolling action of the ball and the first slide rail, the movable inner plate together with the fixed top plate can move smoothly inside the second limiting groove, thereby improving the smooth and stable efficiency of the device during use.

[0023] A method for punching a body side outer panel comprises the following steps:

[0024] S1. The body side outer panel to be punched is placed on the top of the punching bearing plate. At this time, the lifting plate and the pushing plate are extended and retracted to limit the height of the body side outer panel in accordance with its height.

[0025] S2, start the hydraulic rod, and the sliding action of the first slider and the fixed plate together with the connecting action of the connecting rod drive the punching gun at the bottom end of the punching plate to punch the body side outer panel placed on the top end of the punching bearing plate;

[0026] S3. Under the combined action of the sliding action of the second slide rail and the second slider and the rolling action of the rolling ball and the slide groove, the side panel outer plate is smoothly moved horizontally on the top of the punching bearing plate under the pushing action of the pushing plate, and the punching work is performed in cooperation with the punching gun.

[0027] The beneficial effects of the present invention are:

[0028] (1) Starting the hydraulic rod to drive the punching gun at the bottom of the punching plate to punch the side outer panel carried by the top of the punching bearing plate, thereby ensuring the working efficiency of the device during use. At the same time, under the sliding joint action of the sliding rod and the first sliding block, the stability of the lifting and lowering work of the connecting rod and the punching gun is ensured, thereby ensuring the stability and efficiency of the device during use;

[0029] (2) With the combined use of the rolling mechanism and the sliding mechanism, the push plate can relatively stably push the side panel to move on the top of the punching bearing plate, and cooperate with the punching gun to perform punching work, thereby improving the stability and efficiency of the device during use, ensuring the hole position and dimensional accuracy of the vehicle body side panel, improving the working efficiency of the device during use, and meeting the needs of mass and large-scale production;

[0030] (3) With the use of the disassembly and assembly mechanism, the punching gun can be replaced and installed relatively conveniently, so that punching operations of different sizes can be performed on the side outer panel of the vehicle body, thereby ensuring the functionality of the device during the hole punching process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A schematic diagram of a three-dimensional structure provided by an embodiment of the present invention is shown;

[0032] Figure 2 The front view structural schematic diagram provided by the embodiment of the present invention is shown;

[0033] Figure 3 The embodiment of the present invention shown provides Figure 2 The enlarged structural diagram at A in the middle;

[0034] Figure 4 The embodiment of the present invention shown provides Figure 2 Enlarged structural diagram at B in the middle.

[0035] Legend:

[0036] 1. Support seat; 2. Punching bearing plate; 3. Lifting plate; 4. Connecting plate; 5. Support frame; 6. Connecting top plate; 7. Hydraulic rod; 8. Slide rod; 9. First slide block; 10. Fixed plate; 11. Connecting rod; 12. Punching plate; 13. Protective pad; 14. Punching gun; 15. First limiting groove; 16. Plug-in plate; 17. Plug-in block; 18. Pull plate; 19. Movable inner plate; 20. Fixed top plate; 21. First spring; 22. Second limiting groove; 23. Ball; 24. First slide rail; 25. Second slide rail; 26. Second slide block; 27. Push plate; 28. Pull handle; 29. ​​Third limiting groove; 30. Second spring; 31. Mounting frame; 32. Third slide block; 33. Third slide rail; 34. Rolling ball; 35. Slide groove. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0038] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in the embodiment of the present invention: it includes a support seat 1, the top end of the support seat 1 is installed in the middle of the bottom end of the punching bearing plate 2, the top end of the punching bearing plate 2 is connected to a push plate 27 through a rolling mechanism, the front and rear sides of the top end of the push plate 27 are connected to the bottom end of the connecting plate 4 through a sliding mechanism, the rear side of the top end of the punching bearing plate 2 is installed at the bottom end of the rear side of the connecting plate 4 through a lifting plate 3, the middle part of the connecting plate 4 is penetrated by a connecting rod 11, the bottom end of the connecting rod 11 is fixedly installed in the middle of the top end of the stamping plate 12, the middle part of the bottom end of the stamping plate 12 is installed with a stamping gun 14 through a disassembly and assembly mechanism, the top end of the connecting rod 11 penetrates the outer wall of the connecting plate 4 and is installed in the middle of the bottom end of the fixed plate 10, the middle of the top end of the fixed plate 10 is fixedly installed in the middle of the bottom end of the hydraulic rod 7, the top end of the hydraulic rod 7 is installed in the middle of the bottom end of the connecting top plate 6, and the top end of the connecting plate 4 is connected to the connecting top plate 6 through a support frame 5.

[0039] The hydraulic rod 7 is started, and the connecting rod 11 is driven to move up and down in the middle of the connecting plate 4 under the joint action of the hydraulic rod 7, thereby driving the punching gun 14 at the bottom end of the punching plate 12 to punch the side outer plate carried by the top end of the punching bearing plate 2.

[0040] like Figure 1 and Figure 2 As shown, a slide bar 8 is fixedly installed at the bottom end of the connecting top plate 6 on both sides of the hydraulic rod 7, and the outer wall of the slide bar 8 is slidably connected to a first sliding block 9, and the outer walls of the inner sides of the two groups of first sliding blocks 9 are installed on the top ends of both sides of the fixed plate 10.

[0041] Under the sliding joint action of the slide bar 8 and the first slide block 9, the stability of the lifting and lowering operation of the connecting rod 11 and the punching gun 14 is guaranteed, thereby ensuring the stability and efficiency of the device during use.

[0042] like Figure 1 and Figure 2 As shown, protective pads 13 are glued to both sides of the bottom end of the stamping plate 12.

[0043] Under the protective effect of the protective pad 13, when the stamping plate 12 and the stamping gun 14 are punching holes in the side outer panel, the protective pad 13 protects the stamping plate 12 and the side outer panel to prevent the stamping plate 12 from vibrating during the stamping process under the action of the stamping gun 14 and contacting with the side outer panel, thereby preventing scratches on the side outer panel.

[0044] like Figure 2 and Figure 4 As shown, the rolling mechanism includes a third limiting groove 29 opened on both sides of the front and rear of the left bottom end of the push plate 27, a second spring 30 is welded to the middle of the inner wall of the third limiting groove 29, and the bottom end of the second spring 30 is welded to the middle of the top of the installation frame 31, a rolling ball 34 is rollingly embedded in the middle of the bottom end of the installation frame 31, and the bottom end of the rolling ball 34 rolls against the inner side of the slide groove 35, and the slide groove 35 is opened on both sides of the front and rear of the top of the punching bearing plate 2;

[0045] The sliding mechanism includes a second slider 26 fixedly mounted on the front and rear sides of the left top of the push plate 27, and the top of the second slider 26 is slidably connected to the inside of the second slide rail 25, and the second slide rail 25 is opened on the front and rear sides of the bottom end of the connecting plate 4.

[0046] Under the combined effect of the sliding action of the second slide rail 25 and the second slider 26 and the rolling action of the rolling ball 34 and the slide groove 35, the push plate 27 can relatively stably push the side panel outer plate to move on the top of the punching support plate 2, so that the side panel outer plate can move horizontally smoothly on the top of the punching support plate 2, cooperating with the punching gun 14 to perform punching work.

[0047] like Figure 4 As shown, third sliders 32 are fixedly installed on both sides of the top of the installation frame 31, and the third sliders 32 are slidably connected to the inner side of the third slide rails 33. The third slide rails 33 are symmetrically arranged on the left and right sides of the inner wall of the third limiting groove 29.

[0048] Under the sliding action of the third slider 32 and the third slide rail 33, the mounting frame 31 together with the rolling ball 34 can move relatively stably inside the slide groove 35, further improving the stability of the push plate 27 in pushing the vehicle body side outer panel in the middle of the punching supporting plate 2 and the connecting plate 4.

[0049] like Figure 2 As shown, a pull handle 28 is fixedly installed on the middle part of the left outer wall of the push plate 27.

[0050] Under the action of the pull handle 28, the hydraulic rod 7 can be pushed relatively conveniently, thereby improving the convenience and efficiency of the device during use.

[0051] like Figure 2 and Figure 3As shown, the disassembly and assembly mechanism includes a first limiting groove 15 opened in the middle of the bottom end of the stamping plate 12, and a plug-in plate 16 is inserted inside the first limiting groove 15, and a stamping gun 14 is fixedly installed in the middle of the bottom end of the plug-in plate 16, plug-in blocks 17 are inserted on both sides of the bottom end of the plug-in plate 16, and the bottom ends of the plug-in blocks 17 are fixedly installed on the top of the pull plate 18, the outer top end of the pull plate 18 is fixedly installed on the bottom end of the outer wall inside the movable inner plate 19, the top of the movable inner plate 19 is fixedly installed in the middle of the bottom end of the fixed top plate 20, the middle part of the top end of the fixed top plate 20 is welded with a first spring 21, and the top end of the first spring 21 is welded to the middle of the inner wall of the second limiting groove 22, and the second limiting groove 22 is symmetrically opened on both sides of the outer wall of the bottom end of the stamping plate 12.

[0052] The pull plate 18 is pulled downward under the action of the elastic potential energy of the first spring 21, driving the plug-in block 17 to move downward until the pull plate 18 is pulled to the maximum limit value. At this time, the locking state between the first limit groove 15 and the plug-in plate 16 is released. At this time, under the action between the top end of the plug-in block 17 and the bottom end of the stamping plate 12, the plug-in plate 16 is taken out of the plug-in block 17 to complete the replacement operation of the stamping gun 14. If a new stamping gun 14 needs to be installed, the above steps can be reversed.

[0053] like Figure 3 As shown, multiple sets of balls 23 are symmetrically rolled and embedded in the outer wall of the fixed top plate 20 , and the outer walls outside the balls 23 all roll against the inner wall of the first slide rail 24 , and the first slide rail 24 is symmetrically opened in the middle of the second limiting groove 22 .

[0054] Under the rolling action of the ball 23 and the first slide rail 24, the movable inner plate 19 together with the fixed top plate 20 can move smoothly inside the second limiting groove 22, thereby improving the smooth and stable efficiency of the device during use.

[0055] A method for punching a body side outer panel comprises the following steps:

[0056] S1. Place the body side outer panel to be punched on the top of the punching bearing plate 2. Then, under the telescopic action of the lifting plate 3 and the pushing plate 27, the height of the body side outer panel is limited in accordance with its height.

[0057] S2, start the hydraulic rod 7, and the sliding action of the first slide block 9 and the fixed plate 10 together with the connecting action of the connecting rod 11 drives the punching gun 14 at the bottom end of the punching plate 12 to punch the vehicle body side outer panel placed on the top end of the punching bearing plate 2;

[0058] S3. Under the combined action of the sliding action of the second slide rail 25 and the second slider 26 and the rolling action of the rolling ball 34 and the slide groove 35, the side panel outer plate is smoothly moved horizontally on the top of the punching support plate 2 under the pushing action of the pushing plate 27, and the punching work is performed in cooperation with the punching gun 14.

[0059] The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them.

Claims

1. A punching device for a vehicle body side outer panel, comprising a support seat (1), characterized in that: The top end of the support seat (1) is mounted on the middle of the bottom end of the punching bearing plate (2); the top end of the punching bearing plate (2) is connected to a push plate (27) via a rolling mechanism; the front and rear sides of the top end of the push plate (27) are connected to the bottom end of the connecting plate (4) via a sliding mechanism; the rear side of the top end of the punching bearing plate (2) is mounted on the rear bottom end of the connecting plate (4) via a lifting plate (3); the middle of the connecting plate (4) is penetrated by a connecting rod (11); the bottom end of the connecting rod (11) is fixedly mounted on the punching bearing plate (2); The middle part of the top end of the pressing plate (12), the middle part of the bottom end of the punching plate (12) is installed with a punching gun (14) through a disassembly and assembly mechanism, the top end of the connecting rod (11) passes through the outer wall of the connecting plate (4) and is installed at the middle part of the bottom end of the fixed plate (10), the middle part of the top end of the fixed plate (10) is fixedly installed at the middle part of the bottom end of the hydraulic rod (7), the top end of the hydraulic rod (7) is installed at the middle part of the bottom end of the connecting top plate (6), and the top end of the connecting plate (4) is connected to the connecting top plate (6) through a support frame (5); The rolling mechanism comprises a third limiting groove (29) provided at both front and rear sides of the left bottom end of the push plate (27); a second spring (30) is welded to the middle of the inner wall of the third limiting groove (29); the bottom end of the second spring (30) is welded to the middle of the top end of the mounting frame (31); a rolling ball (34) is rollingly embedded in the middle of the bottom end of the mounting frame (31); the bottom end of the rolling ball (34) rolls against the inner side of a slide groove (35); the slide groove (35) is provided at both front and rear sides of the top end of the punching bearing plate (2); The sliding mechanism comprises a second sliding block (26) fixedly mounted on the front and rear sides of the left top end of the push plate (27), and the top end of the second sliding block (26) is slidably connected to the inner side of a second sliding rail (25), and the second sliding rail (25) is provided on the front and rear sides of the bottom end of the connecting plate (4).

2. The punching device for the vehicle body side outer panel according to claim 1, characterized in that: Sliding rods (8) are fixedly mounted on the bottom ends of the connecting top plates (6) on both sides of the hydraulic rod (7), and first sliding blocks (9) are slidably connected to the outer walls of the sliding rods (8). The inner outer walls of the two groups of first sliding blocks (9) are mounted on the top ends of both sides of the fixed plate (10).

3. The punching device for the vehicle body side outer panel according to claim 1, characterized in that: Protective pads (13) are glued to both sides of the bottom end of the punching plate (12).

4. The punching device for the vehicle body side outer panel according to claim 2, characterized in that: A third sliding block (32) is fixedly mounted on both left and right sides of the top of the installation frame (31), and the third sliding block (32) is slidably connected to the inner side of a third sliding rail (33), and the third sliding rail (33) is symmetrically arranged on both left and right sides of the inner wall of the third limiting groove (29).

5. The punching device for the vehicle body side outer panel according to claim 1, characterized in that: A pull handle (28) is fixedly mounted on the middle portion of the left outer wall of the push plate (27).

6. The punching device for the vehicle body side outer panel according to claim 1, characterized in that: The disassembly and assembly mechanism comprises a first limiting groove (15) provided in the middle of the bottom end of the punching plate (12), and a plug-in plate (16) is inserted inside the first limiting groove (15), a punching gun (14) is fixedly installed in the middle of the bottom end of the plug-in plate (16), plug-in blocks (17) are inserted on both sides of the bottom end of the plug-in plate (16), and the bottom ends of the plug-in blocks (17) are fixedly installed on the top end of the pull plate (18), the top end of the outer side of the pull plate (18) is fixedly installed on the bottom end of the outer wall of the inner side of the movable inner plate (19), the top end of the movable inner plate (19) is fixedly installed on the middle of the bottom end of the fixed top plate (20), the middle part of the top end of the fixed top plate (20) is welded with a first spring (21), and the top end of the first spring (21) is welded to the middle of the inner wall of the second limiting groove (22), and the second limiting groove (22) is symmetrically provided on both sides of the outer wall of the bottom end of the punching plate (12).

7. The punching device for the vehicle body side outer panel according to claim 6, characterized in that: The outer wall of the fixed top plate (20) is symmetrically rollingly embedded with a plurality of groups of balls (23), and the outer walls outside the balls (23) all roll against the inner wall of the first slide rail (24), and the first slide rail (24) is symmetrically arranged in the middle of the second limiting groove (22).

8. A punching method using the punching device for a vehicle body side outer panel according to claim 4, characterized in that: The following steps are included: S1, placing the body side outer panel to be punched on the top of the punching support plate (2), and then, under the telescopic action of the lifting plate (3) and the pushing plate (27), the height of the body side outer panel is limited in accordance with the height of the body side outer panel; S2, starting the hydraulic rod (7), and the sliding action of the first sliding block (9) and the fixed plate (10) together with the connecting action of the connecting rod (11) drive the punching gun (14) at the bottom end of the punching plate (12) to punch the vehicle body side outer panel supported and placed at the top end of the punching support plate (2); S3. Under the combined action of the sliding action of the second slide rail (25) and the second slider (26) and the rolling action of the rolling ball (34) and the slide groove (35), the side outer plate is pushed by the push plate (27) to move horizontally at the top of the punching bearing plate (2) smoothly, and the punching work is performed in cooperation with the punching gun (14).

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