Sheet metal part welding clamp

Abstract

The utility model discloses a sheet metal part welding clamp, and particularly relates to the technical field of welding clamps, the sheet metal part welding clamp comprises a base, the top of the base is provided with two moving seats, the surface of the base is provided with a mounting groove, the tops of the two moving seats are provided with mounting seats, and the mounting seats are internally provided with first bidirectional screw rods; and two moving blocks are arranged outside the first two-way screw rod, a mounting plate is arranged at the tops of the moving blocks, clamping rollers are rotationally arranged on the mounting plate, a sliding groove is formed in the surface of the mounting base, a sliding block is arranged in the sliding groove, and a first motor is arranged at one end of the first two-way screw rod. Compared with the prior art, the sheet metal part can be clamped and butted, the sheet metal part can be conveniently rotated and adjusted, meanwhile, welding slag generated when the sheet metal part is welded can be blocked, and the situation that the welding slag falls into the mounting groove, and consequently the follow-up movement of the moving seat is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of welding fixtures, and more specifically, to a sheet metal welding fixture. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching / cutting / compounding, folding, welding, riveting, splicing, forming, etc. During the welding process of sheet metal parts, in order to avoid affecting the welding quality, the sheet metal parts need to be clamped.

[0003] The utility model patent with patent application number CN202123309439.7 discloses a new type of sheet metal welding fixture. The structure uses four support rollers to limit and support the tubular workpiece, and can rotate the workpiece while welding, which is convenient for connecting and welding the workpiece. It has high stability, is easy to operate, and is easy for workers to use.

[0004] However, when this structure is actually used, welding slag will inevitably fall during the welding process of the sheet metal, and the welding slag will easily fall into the inside of the box body. After a period of time, the slag will accumulate inside the box body and be difficult to clean. It is also easy to affect or jam the movement and adjustment of the two C-shaped frames. In view of this, the utility model proposes a sheet metal welding fixture. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sheet metal welding fixture to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a sheet metal welding fixture comprises a base, two movable seats are arranged on the top of the base, a mounting groove is provided on the surface of the base, a mounting seat is provided on the top of the two movable seats, a first bidirectional screw rod is provided inside the mounting seat, and two movable blocks are provided outside the first bidirectional screw rod, a mounting plate is provided on the top of the movable block, a clamping roller is provided for the rotation of the mounting plate, a slide groove is provided on the surface of the mounting seat, a slider is provided inside the slide groove, a first motor is provided at one end of the first bidirectional screw rod, an output end of the first motor is coaxially connected with the first bidirectional screw rod, the two movable blocks are threadedly connected on the outside of the first bidirectional screw rod, the slider is slidably connected inside the slide groove, and the slider is fixedly installed on the bottom of the corresponding movable block.

[0007] It can be seen that in the above structure, by adjusting the distance between the two clamping rollers, the sheet metal part is placed between the two clamping rollers and the clamping operation is performed.

[0008] In order to facilitate the butt joint treatment of the welding joints of the two sheet metal parts to be welded, and at the same time, to prevent welding slag from falling into the interior of the mounting groove during welding of the sheet metal parts, which may affect the adjustment of the two movable seats due to accumulation over time, or cause jamming during adjustment, which is difficult to clean, preferably, a guide barrier structure is provided inside the mounting groove, and the guide barrier structure includes a connecting plate, which is fixedly installed in the middle part of the inner cavity of the mounting groove, and positioning plates are fixedly installed on both inner walls of the mounting groove, and a second bidirectional screw is provided inside the mounting groove, and two threaded blocks are provided on the outside of the second bidirectional screw, and one end of the second bidirectional screw is provided with a A second motor is provided, and an accordion cover is provided between the positioning plate and the threaded block, and between the threaded block and the connecting plate. The output end of the second motor is coaxially connected to the second bidirectional screw inside the mounting groove, and the two ends of the second bidirectional screw are respectively rotatably installed at the bottom of the corresponding positioning plate, and the second bidirectional screw is rotatably connected to the connecting plate, the two threaded blocks are both connected to the external threads of the second bidirectional screw, and the two threaded blocks are respectively fixedly installed at the bottom of the corresponding moving seat, the accordion cover is at the top position of the second bidirectional screw, and the two ends of the two sets of accordion covers are detachably connected to the positioning plate and the threaded block, and between the threaded block and the connecting plate by screws.

[0009] In order to facilitate the rotation and adjustment of sheet metal parts, to facilitate the uniform welding of the periphery of sheet metal parts, and to reduce the risk of scalding caused by manual rotation, preferably, the number of clamping rollers and the number of mounting plates are both set to four, wherein an axle pin is provided between two of the clamping rollers and the corresponding mounting plates, and the axle pin is rotatably connected to the mounting plates, and the other two clamping rollers are respectively provided with anti-slip sleeves on the outside, and a third motor is provided at one end thereof, and the output end of the third motor is coaxially connected with the corresponding clamping roller.

[0010] In order to facilitate the installation of the clamp, preferably, a plurality of mounting holes are provided on the surface of the base, and mounting bolts are threadedly installed inside the plurality of mounting holes.

[0011] Technical effects and advantages of the utility model:

[0012] 1. By setting a guide barrier structure, the second motor drives the second bidirectional screw inside the installation slot to rotate, so that the two threaded blocks are close to each other, and drive the corresponding moving seats to be close to each other, so as to dock the two sheet metal parts to be welded, so as to perform welding processing. In addition, the two threaded blocks can drive the corresponding accordion cover to expand and contract during the movement, so that no matter how the threaded blocks move inside the installation slot, the inside of the installation slot can be protected, so that the welding slag is prevented from falling into the inside of the installation slot during the welding process of the sheet metal parts, and the accumulation of time affects the movement of the two moving seats, and it is difficult to clean;

[0013] 2. The second bidirectional screw rod inside the installation groove is driven to rotate by the second motor, so that the two threaded blocks are close to each other, and the corresponding moving seats are driven to approach each other, and then the two sheet metal parts to be welded are connected, so as to perform welding processing. The third motor first drives the corresponding clamping roller to rotate, and the anti-slip sleeve outside the clamping roller can drive the sheet metal part to rotate and adjust, so as to facilitate welding processing on the periphery of the workpiece. When the third motor is used to drive the clamping roller to rotate the workpiece, the risk of scalding caused by manual rotation can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when the accordion cover is not installed.

[0016] Figure 3 It is a schematic diagram of the internal structure of the mounting base of the utility model.

[0017] Figure 4 It is a schematic diagram of the structure of the accordion cover of the utility model when connected.

[0018] The accompanying drawings are marked as follows: 1. base; 2. moving seat; 3. mounting groove; 4. mounting seat; 5. first bidirectional screw rod; 6. moving block; 7. mounting plate; 8. clamping roller; 9. slide groove; 10. slider; 11. first motor; 12. connecting plate; 13. positioning plate; 14. second bidirectional screw rod; 15. threaded block; 16. second motor; 17. accordion cover; 18. anti-slip sleeve; 19. third motor; 20. mounting bolts. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] As attached Figure 1-4A sheet metal welding fixture shown includes a base 1, two movable seats 2 are arranged on the top of the base 1, a mounting groove 3 is opened on the surface of the base 1, a mounting seat 4 is arranged on the top of the two movable seats 2, a first bidirectional screw rod 5 is arranged inside the mounting seat 4, and two movable blocks 6 are arranged outside the first bidirectional screw rod 5, a mounting plate 7 is arranged on the top of the movable block 6, a clamping roller 8 is arranged for the rotation of the mounting plate 7, a slide groove 9 is opened on the surface of the mounting seat 4, a slider 10 is arranged inside the slide groove 9, a first motor 11 is arranged at one end of the first bidirectional screw rod 5, and the output end of the first motor 11 is coaxially connected with the first bidirectional screw rod 5, the two movable blocks 6 are threadedly connected on the outside of the first bidirectional screw rod 5, the slider 10 is slidably connected inside the slide groove 9, and the slider 10 is fixedly installed at the bottom of the corresponding movable block 6.

[0021] Specifically, in this structure, when clamping circular sheet metal parts for welding, two circular sheet metal parts to be welded are placed between the corresponding two clamping rollers 8, and the corresponding first bidirectional screw 5 is driven to rotate by the first motor 11 so that the two movable blocks 6 outside thereof are close to each other. At this time, the slider 10 at the bottom of the movable block 6 slides and guides inside the slide groove 9, and the two movable blocks 6 that move relative to each other drive the corresponding clamping rollers 8 to approach each other, thereby clamping the two sheet metal parts to be welded between the two clamping rollers 8.

[0022] In a specific embodiment, as shown in the attached Figure 1 , 2 As shown in Figure 4, a guide barrier structure is arranged inside the mounting groove 3, and the guide barrier structure includes a connecting plate 12, the connecting plate 12 is fixedly mounted in the middle part of the inner cavity of the mounting groove 3, and the two inner walls of the mounting groove 3 are fixedly mounted with positioning plates 13, a second bidirectional screw rod 14 is arranged inside the mounting groove 3, two threaded blocks 15 are arranged outside the second bidirectional screw rod 14, and a second motor 16 is arranged at one end of the second bidirectional screw rod 14, an accordion cover 17 is arranged between the positioning plate 13 and the threaded block 15 and between the threaded block 15 and the connecting plate 12, and the output end of the second motor 16 is connected to the The second bidirectional screw rod 14 inside the mounting groove 3 is coaxially connected for transmission, and the two ends of the second bidirectional screw rod 14 are respectively rotatably mounted on the bottom of the corresponding positioning plate 13, and the second bidirectional screw rod 14 is rotatably connected to the connecting plate 12, and the two threaded blocks 15 are both connected to the external threads of the second bidirectional screw rod 14, and the two threaded blocks 15 are respectively fixedly mounted on the bottom of the corresponding moving seat 2, the accordion cover 17 is at the top position of the second bidirectional screw rod 14, and the two ends of the two sets of accordion covers 17 are detachably connected to the positioning plate 13 and the threaded block 15 and the threaded block 15 and the connecting plate 12 by screws.

[0023] Specifically, on the basis of the above structure, after the two sheet metal parts to be welded are clamped and fixed, during the welding process, the welding parts of the two workpieces to be welded need to be butted together, and then in the specific operation, the second motor 16 is used to drive the second bidirectional screw rod 14 inside the installation groove 3 to rotate, so that the two threaded blocks 15 outside the second bidirectional screw rod 14 are close to each other, and the corresponding moving seats 2 are driven to approach each other, and then the two sheet metal parts to be welded are butted together, so as to perform the welding process;

[0024] Furthermore, since the two ends of the second bidirectional screw rod 14 are rotatably mounted at the bottom of the corresponding positioning plate 13, and the second bidirectional screw rod 14 is rotatably connected to the connecting plate 12, and since the accordion cover 17 is at the top position of the second bidirectional screw rod 14, and the two ends of the two groups of accordion covers 17 are detachably connected to the positioning plate 13 and the threaded block 15 and the threaded block 15 and the connecting plate 12 by screws, when the second bidirectional screw rod 14 is driven to rotate by the second motor 16, the positioning plates 13 on the two inner walls of the mounting groove 3 are kept stationary, and the connecting plate 12 at the middle position of the mounting groove 3 remains unchanged, and the two threaded blocks 15 inside the mounting groove 3 can be moved closer to or away from each other, and the threaded block 15 can drive the corresponding accordion cover 17 to expand and contract during the movement, and no matter how the threaded block 15 moves inside the mounting groove 3, it can protect the inside of the mounting groove 3, thereby avoiding the welding slag from falling into the inside of the mounting groove 3 during the welding process of the sheet metal parts, and the accumulation of time affects the movement of the two moving seats 2 and is difficult to clean.

[0025] In a specific embodiment, as shown in the attached Figure 1 , 3 As shown, the number of clamping rollers 8 and the number of mounting plates 7 are both set to four, wherein an axle pin is provided between two of the clamping rollers 8 and the corresponding mounting plates 7, and the clamping rollers are rotatably connected to the mounting plates 7 through the axle pin, and the other two clamping rollers 8 are both provided with an anti-slip sleeve 18 on the outside, and a third motor 19 is provided at one end, and the output end of the third motor 19 is coaxially connected with the corresponding clamping roller 8.

[0026] Specifically, in this structure, after the sheet metal is clamped between the two clamping rollers 8, in order to facilitate the rotation and adjustment of the circular sheet metal after welding, the third motor 19 is first used to drive the corresponding clamping roller 8 to rotate, and since the outsides of the other two clamping rollers 8 are both provided with anti-slip sleeves 18, the rotation of the clamping rollers 8 can drive the sheet metal to rotate and adjust, which is convenient for welding the periphery of the workpiece. When the third motor 19 is used to drive the clamping rollers 8 to rotate so that the workpiece rotates, the risk of burns caused by manual rotation can be reduced.

[0027] In a specific embodiment, as shown in the attached Figure 1 ,2 As shown, a plurality of mounting holes are arranged on the surface of the base 1, and mounting bolts 20 are threadedly installed inside the plurality of mounting holes.

[0028] Specifically, the structure can realize the installation of the base 1 through the cooperation of the installation holes on the surface of the base 1 and the installation bolts 20, thereby facilitating the installation of the clamp at a specific position of the welding equipment.

[0029] Working principle of this utility model:

[0030] When the above structure is used, the staff first installs the clamp at a specific position of the welding equipment through the mounting bolts 20;

[0031] Two circular sheet metal parts to be welded are placed between the corresponding two clamping rollers 8, and the first motor 11 drives the corresponding first bidirectional screw 5 to rotate, so that the two moving blocks 6 outside thereof approach each other, and then the two clamping rollers 8 approach each other and clamp the two workpieces to be welded;

[0032] When the welding points of two workpieces to be welded are butt-jointed, the second motor 16 drives the second bidirectional screw 14 inside the mounting slot 3 to rotate, so that the two threaded blocks 15 approach each other, and drive the corresponding moving seats 2 to approach each other, and then butt-join the two sheet metal parts to be welded, so as to perform welding processing;

[0033] When the two moving seats 2 are adjusted to move closer to or farther from each other, the two threaded blocks 15 can drive the corresponding accordion cover 17 to expand and contract during the movement, so that no matter how the threaded block 15 moves inside the installation groove 3, it can protect the inside of the installation groove 3, thereby preventing welding slag from falling into the inside of the installation groove 3 during the welding process of the sheet metal parts, and affecting the movement of the two moving seats 2 over time, and making it difficult to clean;

[0034] When the sheet metal part needs to be welded and rotated for adjustment, the corresponding clamping roller 8 is first driven to rotate by the third motor 19, which can drive the sheet metal part to rotate and adjust, making it convenient to weld the periphery of the workpiece. When the third motor 19 is used to drive the clamping roller 8 to rotate so that the workpiece can be rotated, the risk of burns caused by manual rotation can be reduced.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sheet metal welding fixture, comprising a base (1), characterized in that: Two movable seats (2) are arranged on the top of the base (1), a mounting groove (3) is provided on the surface of the base (1), a mounting seat (4) is arranged on the top of each of the two movable seats (2), a first bidirectional screw rod (5) is arranged inside the mounting seat (4), and two movable blocks (6) are arranged outside the first bidirectional screw rod (5), a mounting plate (7) is arranged on the top of the movable block (6), a clamping roller (8) is arranged for the rotation of the mounting plate (7), a sliding groove (9) is provided on the surface of the mounting seat (4), a sliding block (10) is arranged inside the sliding groove (9), a first motor (11) is arranged at one end of the first bidirectional screw rod (5), and a guide barrier structure is arranged inside the mounting groove (3); The guide blocking structure comprises a connecting plate (12), wherein the connecting plate (12) is fixedly mounted in the middle part of the inner cavity of the mounting groove (3), and positioning plates (13) are fixedly mounted on both inner walls of the mounting groove (3), a second bidirectional screw rod (14) is arranged inside the mounting groove (3), two threaded blocks (15) are arranged outside the second bidirectional screw rod (14), and a second motor (16) is arranged at one end of the second bidirectional screw rod (14), and an accordion cover (17) is arranged between the positioning plate (13) and the threaded block (15) and between the threaded block (15) and the connecting plate (12).

2. A sheet metal welding fixture according to claim 1, characterized in that: The output end of the second motor (16) is coaxially connected to the second bidirectional screw (14) inside the mounting groove (3); the two ends of the second bidirectional screw (14) are respectively rotatably mounted on the bottom of the corresponding positioning plate (13), and the second bidirectional screw (14) is rotatably connected to the connecting plate (12); the two threaded blocks (15) are both connected to the external threads of the second bidirectional screw (14), and the two threaded blocks (15) are respectively fixedly mounted on the bottom of the corresponding moving seat (2).

3. The sheet metal welding fixture according to claim 1, characterized in that: The accordion cover (17) is located at the top of the second bidirectional screw rod (14), and the two ends of the two groups of accordion covers (17) are detachably connected to the positioning plate (13) and the threaded block (15) and the threaded block (15) and the connecting plate (12) respectively through screws.

4. The sheet metal welding fixture according to claim 1, characterized in that: The output end of the first motor (11) is coaxially connected to the first bidirectional screw (5), the two moving blocks (6) are connected to the external threads of the first bidirectional screw (5), the slider (10) is slidably connected inside the slide groove (9), and the slider (10) is fixedly installed at the bottom of the corresponding moving block (6).

5. The sheet metal welding fixture according to claim 1, characterized in that: The number of the clamping rollers (8) and the number of the mounting plates (7) are both set to four, wherein an axle pin is provided between two of the clamping rollers (8) and the corresponding mounting plates (7), and the two clamping rollers (8) are rotatably connected to the mounting plates (7) via the axle pin, and the other two clamping rollers (8) are both provided with an anti-slip sleeve (18) on the outside, and a third motor (19) is provided at one end thereof, and the output end of the third motor (19) is coaxially connected to the corresponding clamping roller (8) in a transmission manner.

6. The sheet metal welding fixture according to claim 1, characterized in that: The surface of the base (1) is provided with a plurality of mounting holes, and mounting bolts (20) are threadedly mounted inside the plurality of mounting holes.

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