Welding fixture convenient to adjust

Abstract

The utility model relates to the technical field of clamps, and discloses a convenient-to-adjust welding clamp which comprises a base, a first sliding groove is formed in the upper surface of the base, two first sliding blocks are slidably mounted in the first sliding groove, and fixing plates are fixedly connected to the upper surfaces of the two first sliding blocks; two clamping grooves are formed in the upper surfaces of the two fixing plates, L-shaped clamping plates are movably arranged in the clamping grooves, fixing holes are formed in the L-shaped clamping plates, and a clamping plate is jointly and fixedly connected to one sides of every two adjacent L-shaped clamping plates; the fixing rod can be driven to move by rotating the rotating rod, and a user can conveniently change and adjust the shape of the clamping plate according to the actual situation through the mutual cooperation of the fixing rod and the fixing hole and the mutual cooperation of the L-shaped clamping plate and the clamping groove, so that the clamping effect of the clamping plate on a weldment and the practicability of the whole device are improved.

Description

Technical Field

[0001] This application relates to the technical field of jigs, and in particular to a welding jig that is easy to adjust. Background Art

[0002] A jig is a device used in the mechanical manufacturing process to fix the processing object, make it occupy the correct position, and accept construction or inspection. A welding jig is a jig used to ensure the size of the welded part, improve the assembly accuracy and efficiency, and prevent welding deformation.

[0003] For example, the Chinese utility model patent with the publication number CN215146191U discloses a welding jig that is easy to adjust, belonging to the technical field of welding equipment. It includes a support frame. There are two clamping plates at the top of the support frame and a notch is opened. There are two threaded rods inside. Both of the threaded rods are threadedly connected with a moving block. One end of each of them is fixed with a first driving wheel and a second driving wheel respectively. The moving block is movably connected with a driving rod through a first rotating shaft. The first driving wheel and the second driving wheel are connected by a conveyor belt. A sliding rod is fixed at the bottom end of the clamping plate. The sliding rod is slidably connected with the notch, and the other end of it is movably connected with the other end of the driving rod through a second rotating shaft. A driving motor is fixed on the inner bottom surface of the support frame, and its output end is connected with the second driving wheel. The first driving wheel is movably connected with the inner wall of the support frame through a rotating shaft. Using this welding jig, the distance between the two clamping plates can be adjusted, which is suitable for workpieces of different sizes and meets the diverse needs of enterprises.

[0004] Regarding the above related technology, the inventor believes that when the current welding jig is in use, when welding workpieces of different shapes, it is necessary to frequently adjust the position and angle of the jig, which is not only time-consuming and laborious, but also affects the welding quality and efficiency.

[0005] The above information disclosed in this background art is only used to increase the understanding of the background art of this application. Therefore, it may include prior art that is not known to those of ordinary skill in the art. Summary of the Utility Model

[0006] In order to solve the problem that when welding workpieces of different shapes, it is necessary to frequently adjust the position and angle of the jig, which is not only time-consuming and laborious, but also affects the welding quality and efficiency, this application provides a welding jig that is easy to adjust.

[0007] A welding jig that is easy to adjust provided by this application adopts the following technical solutions:

[0008] A welding fixture convenient for adjustment, comprising a base. A first sliding groove is formed on the upper surface of the base. Two first sliders are slidably installed in the first sliding groove. Fixed plates are fixedly connected to the upper surfaces of the two first sliders. Two clamping grooves are formed on the upper surfaces of the two fixed plates. L-shaped clamping plates are movably arranged in the clamping grooves. Fixing holes are formed in the L-shaped clamping plates. A clamping plate is fixedly connected to the side of adjacent two L-shaped clamping plates. Two second sliding grooves are formed on the opposite sides of the two fixed plates. Second sliders are slidably installed in the second sliding grooves. A rack is fixedly connected to the side of the second slider. A fixed rod is fixedly connected to the side of the rack. One end of the fixed rod penetrates through the side wall of the fixed plate and can extend into the fixing hole on the L-shaped clamping plate. The base is in transmission connection with the first slider through a driving mechanism. The fixed plate is in transmission connection with the rack through a driving component.

[0009] Preferably, the driving mechanism includes a motor and a bidirectional lead screw. The motor is fixedly connected to one side of the base. The bidirectional lead screw is rotatably installed in the first sliding groove. The bidirectional lead screw penetrates through the first slider and is in threaded connection with it. The output end of the motor is fixedly connected to one end of the bidirectional lead screw.

[0010] Preferably, the driving component includes a rotating rod and a gear. One end of the rotating rod is rotatably connected to the side wall of the fixed plate. The gear is sleeved on the rotating rod. The gear meshes with the rack.

[0011] Preferably, a plurality of limiting holes are formed on the side wall of the rotating rod. A connecting plate is fixedly connected to the upper surface of the fixed plate. A connecting rod penetrates through the connecting plate. The bottom end of the connecting rod can extend into one of the limiting holes.

[0012] Preferably, a handle is fixedly connected to the end of the rotating rod away from the fixed plate.

[0013] In summary, the present application includes the following beneficial technical effects:

[0014] By rotating the rotating rod, the rack can be driven to move. The rack can drive the fixed rod to move, so that one end of the fixed rod is disengaged from the fixing hole on the L-shaped clamping plate. The user can then take out the L-shaped clamping plate from the clamping groove, and then insert the clamping plate adapted to the shape of the welded part through the L-shaped clamping plate on it into the clamping groove. By driving the rack to move in the reverse direction through the rotating rod, one end of the fixed rod can be inserted into the fixing hole again; compared with the prior art, it has the effect that by rotating the rotating rod, the fixed rod can be driven to move, and through the mutual cooperation between the fixed rod and the fixing hole and between the L-shaped clamping plate and the clamping groove, so that the user can change and adjust the shape of the clamping plate according to the actual situation, thereby improving the clamping effect of the clamping plate on the welded part and the practicability of the overall device. Description of the Drawings

[0015] Figure 1 is a three-dimensional structural schematic diagram of an application embodiment;

[0016] Figure 2 is a three-dimensional structural schematic diagram of the driving mechanism of the application embodiment;

[0017] Figure 3 is a three-dimensional structural schematic diagram when the L-shaped clamping plate of the application embodiment disengages from the clamping groove;

[0018] Figure 4 is a three-dimensional structural schematic diagram of the driving component of the application embodiment.

[0019] Explanation of reference numerals: 1, base; 2, clamping plate; 3, L-shaped clamping plate; 4, first chute; 5, motor; 6, fixing plate; 7, first slider; 8, bidirectional lead screw; 9, clamping groove; 10, second chute; 11, connecting plate; 12, connecting rod; 13, rack; 14, fixed rod; 15, second slider; 16, gear; 17, grip; 18, rotating rod. Detailed implementation manners

[0020] The following further Figures 1-4 describes the present application in detail with reference to the attached

[0021] The embodiment of the present application discloses a welding jig that is convenient to adjust. Refer to Figures 1-4, A welding fixture that is convenient for adjustment, including a base 1. A first chute 4 is provided on the upper surface of the base 1. Two first sliders 7 are slidably installed in the first chute 4. Fixed plates 6 are fixedly connected to the upper surfaces of the two first sliders 7. Two card slots 9 are provided on the upper surfaces of the two fixed plates 6. An L-shaped clamping plate 3 is movably arranged in the card slot 9. A fixing hole is provided on the L-shaped clamping plate 3. A clamping plate 2 is fixedly connected to the side of adjacent two L-shaped clamping plates 3. Two second chutes 10 are provided on the opposite sides of the two fixed plates 6. A second slider 15 is slidably installed in the second chute 10. A rack 13 is fixedly connected to one side of the second slider 15. A fixing rod 14 is fixedly connected to one side of the rack 13. One end of the fixing rod 14 penetrates through the side wall of the fixed plate 6 and can extend into the fixing hole on the L-shaped clamping plate 3. The base 1 is in transmission connection with the first slider 7 through a driving mechanism, and the fixed plate 6 is in transmission connection with the rack 13 through a driving component; when in use, the workpiece to be processed is placed on the base 1. The two first sliders 7 can be driven to move through the driving mechanism. The first slider 7 can drive the clamping plate 2 to move through the fixed plate 6, so that the two clamping plates 2 approach each other to clamp and fix the welding. When the clamping plate 2 needs to be replaced, the rack 13 can be driven to move through the driving component. The rack 13 can drive the fixing rod 14 to move, so that one end of the fixing rod 14 is disengaged from the fixing hole on the L-shaped clamping plate 3. The user can then take out the L-shaped clamping plate 3 from the card slot 9, and then insert the clamping plate 2 adapted to the shape of the workpiece through the L-shaped clamping plate 3 thereon into the card slot 9. The rack 13 is driven to move in the reverse direction through the driving component, so that one end of the fixing rod 14 extends into the fixing hole again. The shape of the workpiece can be circular, square, conical, oval, etc. In this process, the fixing rod 14 can be driven to move through the driving component, and through the mutual cooperation between the fixing rod 14 and the fixing hole and between the L-shaped clamping plate 3 and the card slot 9, so that the user can change and adjust the shape of the clamping plate 2 according to the actual situation, thereby improving the clamping effect of the clamping plate 2 on the workpiece and the practicability of the overall device.

[0022] Refer to Figure 1 and Figure 2 , The driving mechanism includes a motor 5 and a bidirectional lead screw 8. The motor 5 is fixedly connected to one side of the base 1. The bidirectional lead screw 8 is rotatably installed in the first chute 4. The bidirectional lead screw 8 penetrates through the first slider 7 and is threadedly connected thereto. The output end of the motor 5 is fixedly connected to one end of the bidirectional lead screw 8. The model of the motor 5 can be selected as YE2-6344-37KW; by starting the first motor 5, the bidirectional lead screw 8 can be driven to rotate, and the bidirectional lead screw 8 can drive the two first sliders 7 to move, so that the two first sliders 7 approach or move away from each other.

[0023] Refer to Figure 4, the driving component includes a rotating rod 18 and a gear 16. One end of the rotating rod 18 is rotatably connected to the side wall of the fixed plate 6. The gear 16 is sleeved on the rotating rod 18 and meshes with the rack 13. By rotating the rotating rod 18, the gear 16 can be driven to rotate, and the gear 16 can drive the two racks 13 to move, and the moving directions of the two racks 13 are opposite.

[0024] Referring to Figure 3 and Figure 4 , a plurality of limiting holes are formed in the side wall of the rotating rod 18. A connecting plate 11 is fixedly connected to the upper surface of the fixed plate 6. A connecting rod 12 is disposed through the connecting plate 11, and the bottom end of the connecting rod 12 can extend into one of the limiting holes. When the bottom end of the connecting rod 12 extends into the limiting hole, the rotating rod 18 can be fixed to prevent accidental contact with the rotating rod 18 from affecting the stability of the overall device.

[0025] Referring to Figure 4 , a handle 17 is fixedly connected to one end of the rotating rod 18. The handle 17 makes it more convenient for the user to rotate the rotating rod 18.

[0026] The implementation principle of an adjustable welding fixture in an embodiment of the present application is as follows: The electrical components appearing in the present application are externally connected to a power supply and a control switch during use. During use, the workpiece to be processed is placed on the base 1. The driving mechanism can drive the two first sliders 7 to move. The first sliders 7 can drive the clamping plates 2 to move through the fixed plate 6, so that the two clamping plates 2 approach each other to clamp and fix the welding. When the clamping plates 2 need to be replaced, the driving component can drive the rack 13 to move, and the rack 13 can drive the fixed rod 14 to move, so that one end of the fixed rod 14 is disengaged from the fixing hole on the L-shaped clamping plate 3, and the user can take out the L-shaped clamping plate 3 from the clamping groove 9. Then, the clamping plate 2 adapted to the shape of the workpiece is inserted into the clamping groove 9 through the L-shaped clamping plate 3 thereon, and the driving component drives the rack 13 to move in the reverse direction, so that one end of the fixed rod 14 extends into the fixing hole again. The shape of the workpiece can be circular, square, conical, elliptical, etc. During this process, the driving component can drive the fixed rod 14 to move, and through the mutual cooperation between the fixed rod 14 and the fixing hole and between the L-shaped clamping plate 3 and the clamping groove 9, the user can change and adjust the shape of the clamping plate 2 according to the actual situation, so as to improve the clamping effect of the clamping plate 2 on the workpiece and the practicability of the overall device.

[0027] The following points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and defined, the terms "installed", "connected", and "linked" should be understood in a broad sense. It can be a mechanical connection or an electrical connection, or it can be the communication inside two components. It can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0028] Second, in the drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally, the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

[0030] The above are all the preferred embodiments of this application and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A welding fixture that is easy to adjust, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a first sliding groove (4), and two first sliding blocks (7) are slidably installed in the first sliding groove (4). The upper surfaces of the two first sliding blocks (7) are fixedly connected with fixing plates (6). Two clamping grooves (9) are provided on the upper surfaces of the two fixing plates (6). An L-shaped clamping plate (3) is movably arranged in the clamping groove (9). A fixing hole is provided on the L-shaped clamping plate (3). One side of two adjacent L-shaped clamping plates (3) is fixedly connected with a clamping plate (2). Two second sliding grooves (10) are provided on the opposite sides of the two fixing plates (6). A second sliding block (15) is slidably installed in the second sliding groove (10). One side of the second sliding block (15) is fixedly connected with a rack (13). One side of the rack (13) is fixedly connected with a fixing rod (14). One end of the fixing rod (14) penetrates through the side wall of the fixing plate (6) and can extend into the fixing hole on the L-shaped clamping plate (3). The base (1) is in transmission connection with the first sliding block (7) through a driving mechanism. The fixing plate (6) is in transmission connection with the rack (13) through a driving component.

2. The adjustable welding jig according to claim 1, characterized in that: The driving mechanism includes a motor (5) and a bidirectional lead screw (8). The motor (5) is fixedly connected with one side of the base (1). The bidirectional lead screw (8) is rotatably installed in the first sliding groove (4). The bidirectional lead screw (8) penetrates through the first sliding block (7) and is in threaded connection with it. The output end of the motor (5) is fixedly connected with one end of the bidirectional lead screw (8).

3. The adjustable welding fixture according to claim 1, wherein: The driving component includes a rotating rod (18) and a gear (16). One end of the rotating rod (18) is rotatably connected with the side wall of the fixing plate (6). The gear (16) is sleeved on the rotating rod (18). The gear (16) meshes with the rack (13).

4. The adjustable welding jig according to claim 3, wherein: A plurality of limiting holes are provided on the side wall of the rotating rod (18). A connecting plate (11) is fixedly connected with the upper surface of the fixing plate (6). A connecting rod (12) is arranged through the connecting plate (11). The bottom end of the connecting rod (12) can extend into one of the limiting holes.

5. The adjustable welding jig according to claim 4, wherein: A handle (17) is fixedly connected with the end of the rotating rod (18) away from the fixing plate (6).

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