Framework sheet metal part clamp capable of preventing welding deformation

Abstract

The framework sheet metal part clamp capable of preventing welding deformation comprises a base and a framework sheet metal part body to be welded, the upper end of the base is connected with two installation plates through a first driving assembly, and the installation plates are arranged on the left side and the right side of the base and attached to the upper end of the base. The first driving assembly drives the two mounting plates to be horizontally close to each other or away from each other, and the two mounting plates are connected with supporting plates through air cylinders. The framework sheet metal part welding device is reasonable in structural design, the heights of two to-be-welded parts of a framework sheet metal part body to be welded can be adjusted, the to-be-welded parts are stably located on the same horizontal line, welding work is facilitated, the welded framework sheet metal part can be further clamped and fixed through the left side, the right side, the front side and the rear side, and welding efficiency is improved. The to-be-welded positions are in stable contact, and the phenomenon of welding dislocation deformation of the to-be-welded framework sheet metal part body caused by shaking or displacement in the welding process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, in particular to a skeleton sheet metal fixture for preventing welding deformation. Background Art

[0002] Sheet metal components are characterized by their light weight, high strength, electrical conductivity (suitable for electromagnetic shielding), low cost, and good performance in large-scale mass production. They are widely used in electronics, communications, automotive, and medical devices. For example, sheet metal components are essential components in computer cases, mobile phones, and MP3 players. During the welding process of sheet metal skeletons, fixtures are often required to hold them in place.

[0003] For example, the application number is: CN202322318465.9, and the application name is: An application document for a welding fixture that prevents welding shrinkage and deformation, including a workbench, wherein the upper surface of the workbench is fixedly connected to two pads, and the two pads are respectively close to the two ends of the workbench, and the sides of the two pads close to each other are fixedly connected to an electric push rod, and the output end of the electric push rod is fixedly connected to a flexible splint, and the side of the flexible splint away from the electric push rod is provided with a flexible chuck... This application document is a prior art relative to the present application, but in this application document, the two flexible splints and the flexible chuck are driven by the electric push rod to approach each other to clamp the object, and the object can only be fixed on the left and right sides. During the welding process, it is difficult to ensure that the welding surface of the object to be welded is stably at the same height, and during the welding process, the object to be welded may move back and forth, making it impossible to stably align, and then the welded object will be dislocated and deformed, affecting product quality. For this reason, we have designed a skeleton sheet metal fixture to prevent welding deformation to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art and to propose a skeleton sheet metal fixture for preventing welding deformation. The fixture can adjust the heights of the two parts of the skeleton sheet metal body to be welded, so that the welded parts are stably located on the same horizontal line, which is conducive to the welding work. The fixture can further clamp and fix the welded skeleton sheet metal on the left and right sides and the front and back sides, so that the welded parts are in stable contact, avoiding the welding dislocation and deformation of the skeleton sheet metal body due to shaking or displacement during the welding process.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A skeleton sheet metal fixture for preventing welding deformation includes a base and a skeleton sheet metal body to be welded, the upper end of the base is connected to two mounting plates arranged on the left and right and fit with the upper end of the base through a first driving component, the first driving component drives the two mounting plates to move horizontally closer to or away from each other, the two mounting plates are connected to a support plate through a cylinder, the two parts of the skeleton sheet metal body to be welded are respectively placed on the two support plates, the opposite side walls of the two support plates are adjustably connected with an L-shaped baffle, the two mounting plates are connected to two clamping plates that are against the upper end of the mounting plate and are respectively located on the front and rear sides of the support plate through a second driving component, the second driving component drives the two clamping plates on the same mounting plate to move closer to or away from each other front and back to fix the skeleton sheet metal body to be welded.

[0007] Preferably, the first drive assembly includes a first drive slot opened at the upper end of the base, two first drive sliders adapted thereto are horizontally slidably connected in the first drive slot, the two mounting plates are respectively fixedly connected to the upper ends of the two first drive sliders, a first double-headed screw is rotatably connected between the inner side walls at both ends of the first drive slot, the first double-headed screw thread passes through the two first drive sliders, and the first double-headed screw is driven to rotate by a first servo motor installed on the side wall of the base.

[0008] Preferably, the upper end of the base is provided with two front and rear guide slots, and two guide slide blocks adapted thereto are slidably connected in the two guide slots, and the two guide slide blocks in the same guide slot are respectively fixedly connected to the bottom of the corresponding mounting plate.

[0009] Preferably, a telescopic slot is provided on the side wall of the support plate, the L-shaped baffle is slidably connected in the telescopic slot, the inner side wall of the telescopic slot is rotatably connected with a threaded rod, and the thread of the threaded rod passes through the side wall of the L-shaped baffle and extends to its outside.

[0010] Preferably, the second drive assembly includes a second drive slot opened on the upper end of the mounting plate, and two second drive sliders adapted to the second drive slot are connected for sliding forward and backward movement in the second drive slot, and the two clamping plates are respectively fixedly connected to the upper ends of the two second drive sliders, and a second double-headed screw is connected for common rotation between the inner side walls at both ends of the second drive slot, and the second double-headed screw thread passes through the two second drive sliders, and the second double-headed screw is driven to rotate by a second servo motor installed on the rear side wall of the mounting plate.

[0011] Preferably, the clamping plate is fixedly connected to the upper end of the second driving slider by screws.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This skeleton sheet metal fixture for preventing welding deformation places the two parts of the skeleton sheet metal body to be welded on two support plates respectively, and starts the cylinder to drive the support plates to move up and down. It can adjust the height of the two parts of the skeleton sheet metal body to be welded, so that the parts to be welded are stably located on the same horizontal line, which is conducive to the welding work.

[0014] 2. This skeleton sheet metal fixture for preventing welding deformation controls the two mounting plates to be close to each other so that the two L-shaped baffles respectively abut the left and right side walls of the skeleton sheet metal body to be welded, so that the ends to be welded of the skeleton sheet metal body to be welded are stably contacted. The two clamping plates on the same mounting plate are controlled to be close to each other to stably fix the skeleton sheet metal body to be welded through the front and rear sides, which can ensure the stability of the two parts of the skeleton sheet metal body to be welded, and make the welded parts stably contacted, which is conducive to the welding work and avoids the skeleton sheet metal body to be welded from shaking or displacement during the welding process, causing welding dislocation and deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a skeleton sheet metal fixture for preventing welding deformation proposed by the present invention;

[0016] Figure 2 This is a schematic diagram of the structure of a skeleton sheet metal fixture for preventing welding deformation proposed by the present invention, which does not include the skeleton sheet metal body to be welded;

[0017] Figure 3 This is a schematic diagram of the top plan structure of a skeleton sheet metal fixture for preventing welding deformation proposed by the present invention.

[0018] In the figure: 1. Base; 2. First drive chute; 3. Mounting plate; 4. First double-headed screw; 5. First servo motor; 6. Cylinder; 7. Support plate; 8. L-shaped baffle; 9. Threaded rod; 10. Second drive chute; 11. Second drive slider; 12. Clamp; 13. Second double-headed screw; 14. Second servo motor; 15. Guide chute; 16. Skeleton sheet metal body to be welded. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] Reference Figure 1-Figure 3, a skeleton sheet metal fixture for preventing welding deformation, includes a base 1 and a skeleton sheet metal body 16 to be welded, the upper end of the base 1 is connected to two mounting plates 3 arranged on the left and right and fitted with the upper end of the base 1 through a first driving assembly, the first driving assembly drives the two mounting plates 3 to move closer to or away from each other horizontally, the first driving assembly includes a first driving slide 2 opened at the upper end of the base 1, two first driving sliders adapted thereto are horizontally connected and slidably connected in the first driving slide 2, the first driving slider can only slide horizontally in the first driving slide 2, the two mounting plates 3 are respectively fixedly connected to the upper ends of the two first driving sliders, so that the movement of the two first driving sliders can drive the two mounting plates 3 to move, a first double-headed screw 4 is connected to the inner side walls at both ends of the first driving slide 2 and is rotated together, the first double-headed screw 4 threads pass through the two first driving sliders, the first double-headed screw 4 is driven to rotate by a first servo motor 5 installed on the side wall of the base 1, the first servo motor 5 drives the first double-headed screw 4 to rotate, and can make the two first driving sliders drive the two mounting plates 3 to move closer to or away from each other under the action of their thread engagement;

[0021] The upper end of the base 1 is provided with two front and rear guide slots 15, and two guide sliders adapted thereto are slidably connected in the two guide slots 15. The two guide sliders in the same guide slot 15 are respectively fixedly connected to the bottom of the corresponding mounting plate 3. The guide sliders slide in the guide slots 15 to guide the mounting plate 3, so that the two mounting plates 3 can stably move closer to or farther away from each other.

[0022] The two mounting plates 3 are connected to support plates 7 by cylinders 6. Cylinders 6 can drive support plates 7 to move up and down to adjust the height of support plates 7. The two parts of the skeleton sheet metal body 16 to be welded are placed on the two support plates 7 respectively. The support plates 7 can play a supporting role in the skeleton sheet metal body 16 to be welded. The opposite side walls of the two support plates 7 are adjustable and connected with L-shaped baffles 8. The side walls of the support plates 7 are provided with telescopic slides. The L-shaped baffles 8 are slidably connected in the telescopic slides. The inner side walls of the telescopic slides are rotatably connected with threaded rods 9. The threaded rods 9 threadedly penetrate the side walls of the L-shaped baffles 8 and extend to their outer sides. The side walls of the threaded rods 9 are fixedly connected with a rotating handle for easy rotation. The threaded rods 9 can be rotated to make the L-shaped baffles 8 slide in and out of the telescopic slides under the action of their threaded engagement, so as to adjust the spacing between the L-shaped baffles 8 and the support plates 7 and adapt to more sizes of sheet metal parts. The L-shaped baffles 8 and the side walls of the skeleton sheet metal body 16 to be welded are abutted and can be fixed to the skeleton sheet metal body 16 to be welded through the left and right sides.

[0023] The two mounting plates 3 are connected to two clamping plates 12 on the front and rear sides of the support plate 7, which are respectively abutted against the upper end of the mounting plate 3 by a second driving component. The second driving component drives the two clamping plates 12 on the same mounting plate 3 to move closer to or away from each other to be fixed to the skeleton sheet metal body 16 to be welded. The second driving component includes a second driving slot 10 provided on the upper end of the mounting plate 3. Two second driving sliders 11 adapted thereto are connected to the second driving slot 10 for sliding forward and backward. The two clamping plates 12 are respectively fixedly connected to the upper ends of the two second driving sliders 11. The clamping plates 12 are fixedly connected by screws Connected to the upper end of the second driving slider 11, a second double-headed screw 13 is connected to the inner side walls at both ends of the second driving slot 10 and is rotated together. The second double-headed screw 13 threads through the two second driving sliders 11. The second double-headed screw 13 is driven to rotate by a second servo motor 14 installed on the rear side wall of the mounting plate 3. The second servo motor 14 drives the second double-headed screw 13 to rotate, and can make the two second driving sliders 11 drive the two splints 12 closer to or away from each other under the action of their threaded engagement. The two splints 12 can be fixed to the front and rear sides of the skeleton sheet metal body 16 to be welded.

[0024] The functional principle of this utility model can be explained through the following operation modes:

[0025] In the present invention, when the skeleton sheet metal fixture for preventing welding deformation is used, the two parts of the skeleton sheet metal body 16 to be welded are placed on the two support plates 7 respectively, and the first servo motor 5 is started to drive the first double-headed screw 4 to rotate. Under the action of the thread engagement, the two first driving sliders can drive the two mounting plates 3 to move closer to each other, so that the two L-shaped baffles 8 are respectively against the left and right end side walls of the skeleton sheet metal body 16 to be welded, so that the ends to be welded of the skeleton sheet metal body 16 to be welded are in contact;

[0026] The two second servo motors 14 on the two mounting plates 3 are started, and the second servo motor 14 drives the second double-headed screw 13 to rotate, so that the two clamping plates 12 on the same mounting plate 3 can be close to each other under the action of their threaded engagement, and respectively abut against the front and rear side walls of the skeleton sheet metal body 16 to be welded to stably fix the skeleton sheet metal body 16 to be welded. According to the height of the welding point of the skeleton sheet metal body 16 to be welded, the cylinder 6 is started to drive the support plate 7 to move up and down, so that the height of the two parts of the skeleton sheet metal body 16 to be welded can be adjusted so that the welding point is stably located on the same horizontal line. The support plate 7, the L-shaped baffle 8 and the clamping plate 12 work together to ensure the stability of the two parts of the skeleton sheet metal body 16 to be welded, so that the welding point is stably contacted, and can fix skeleton sheet metal bodies 16 of various sizes to be welded, which is conducive to the progress of welding work and avoids the skeleton sheet metal body 16 to be welded from shaking or displacement during the welding process, thereby meeting more usage requirements and ensuring welding quality.

[0027] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A skeleton sheet metal fixture for preventing welding deformation, comprising a base (1) and a skeleton sheet metal body (16) to be welded, characterized in that: The upper end of the base (1) is connected to two mounting plates (3) arranged on the left and right and fitted with the upper end of the base (1) through a first driving component. The first driving component drives the two mounting plates (3) to move closer to or away from each other horizontally. The two mounting plates (3) are connected to a support plate (7) through a cylinder (6). The two parts of the skeleton sheet metal body (16) to be welded are respectively placed on the two support plates (7). The opposite side walls of the two support plates (7) are adjustable and connected with an L-shaped baffle (8). The two mounting plates (3) are connected to two clamping plates (12) that are against the upper end of the mounting plate (3) and are respectively located on the front and rear sides of the support plate (7). The second driving component drives the two clamping plates (12) on the same mounting plate (3) to move closer to or away from each other to fix the skeleton sheet metal body (16) to be welded.

2. A skeleton sheet metal fixture for preventing welding deformation according to claim 1, characterized in that: The first drive assembly includes a first drive chute (2) provided at the upper end of the base (1), two first drive sliders adapted thereto are horizontally slidably connected in the first drive chute (2), the two mounting plates (3) are respectively fixedly connected to the upper ends of the two first drive sliders, a first double-headed screw (4) is rotatably connected between the inner side walls at both ends of the first drive chute (2), the first double-headed screw (4) having a thread passing through the two first drive sliders, and the first double-headed screw (4) is driven to rotate by a first servo motor (5) mounted on the side wall of the base (1).

3. A skeleton sheet metal fixture for preventing welding deformation according to claim 1, characterized in that: The upper end of the base (1) is provided with two front-to-rear guide slots (15), and two guide slide blocks adapted thereto are slidably connected in the two guide slots (15). The two guide slide blocks in the same guide slot (15) are respectively fixedly connected to the bottom of the corresponding mounting plate (3).

4. A skeleton sheet metal fixture for preventing welding deformation according to claim 1, characterized in that: The side wall of the support plate (7) is provided with a telescopic slide groove, the L-shaped baffle (8) is slidably connected in the telescopic slide groove, and the inner side wall of the telescopic slide groove is rotatably connected to a threaded rod (9), and the threaded rod (9) is threadedly penetrated through the side wall of the L-shaped baffle (8) and extends to the outside thereof.

5. The skeleton sheet metal fixture for preventing welding deformation according to claim 1, characterized in that: The second drive assembly includes a second drive chute (10) provided at the upper end of the mounting plate (3), two second drive sliders (11) adapted thereto are connected in a forward and backward sliding manner in the second drive chute (10), the two clamping plates (12) are respectively fixedly connected to the upper ends of the two second drive sliders (11), a second double-headed screw (13) is connected to rotate together between the inner side walls at both ends of the second drive chute (10), the second double-headed screw (13) is threadedly passed through the two second drive sliders (11), and the second double-headed screw (13) is driven to rotate by a second servo motor (14) installed on the rear side wall of the mounting plate (3).

6. A skeleton sheet metal fixture for preventing welding deformation according to claim 5, characterized in that: The clamping plate (12) is fixedly connected to the upper end of the second driving slider (11) by screws.

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