A shaft welding tool jig

Abstract

The utility model discloses a kind of pivot welding tool jigs, including support frame and rotating shaft, the top end of the support frame is movably installed with rotating shaft, the top end of the rotating shaft is installed with support plate, the top end of the support plate is installed with transverse cylinder, the top end of the support plate close to transverse cylinder one side is symmetrically installed with slide rail, the outer wall of the slide rail is all slidably installed with sliding block, the top end of the sliding block is installed with connecting frame, the outer wall of the connecting frame is installed with hollow shaft sleeve, and hollow shaft sleeve extends to the outside of connecting frame, the inside of the hollow shaft sleeve is movably installed with hollow driving shaft. The utility model not only realizes that two groups of pivot are conveniently and quickly clamped and fixed by tool jig, and it is convenient to adapt to the pivot of different length to be clamped and fixed, and it is convenient that two groups of pivot are spliced and welded at different angles by tool jig, it is convenient to adjust the angle of two groups of pivot splicing and welding, and the adjustment range when two groups of pivot splicing and welding is increased.

Description

Technical Field

[0001] This utility model relates to the field of tooling and fixture technology, specifically to a rotating shaft welding tooling and fixture. Background Technology

[0002] A shaft is a type of shaft used to connect rotating parts, typically via bearings. Shafts are generally cylindrical, with both ends machined into different shapes to facilitate connection to other components. Shafts are widely used in the mechanical field for transmitting power and torque.

[0003] As disclosed in the authorization announcement number CN222448682U, a shaft welding fixture relates to the field of shaft welding technology. The fixture includes a fixed sleeve, an upper electrode, and a lower electrode. The upper electrode is disposed above the fixed sleeve, and a lower electrode hole is formed on the lower surface of the fixed sleeve. The lower electrode is connected to the lower electrode hole by a bolt thread. The fixture also includes a limiting structure, which is disposed on the upper surface of the bolt. The limiting structure includes a fixing block, and a hole corresponding to the shape of the pin is formed on the upper surface of the fixing block. The lower electrode extends through the hole, and a first pin groove corresponding to the shape of the pin is formed on the upper surface of the fixing block.

[0004] Although it achieves the goal of enabling the upper electrode to accurately weld the welding center point of the PIN pin and the pin shaft through the guiding structure, making the welding process faster and more precise; and through the material discharge structure, it makes the discharge of the welded workpiece faster and more convenient.

[0005] However, this does not solve the problem that existing tooling fixtures of this type are generally not conducive to convenient and quick clamping and fixing of two sets of rotating shafts, are not convenient to clamp and fix rotating shafts of different lengths, are not convenient to splice and weld two sets of rotating shafts at different angles, and are not convenient to adjust the angle of splicing and welding two sets of rotating shafts, thus affecting the adjustment range when splicing and welding two sets of rotating shafts. Utility Model Content

[0006] The purpose of this utility model is to provide a rotating shaft welding fixture to solve the problems mentioned in the background art, such as the inconvenience of the fixture for convenient and quick clamping and fixing of two sets of rotating shafts, the inconvenience of clamping and fixing rotating shafts of different lengths, the inconvenience of splicing and welding two sets of rotating shafts at different angles, and the inconvenience of conveniently adjusting the angle of splicing and welding two sets of rotating shafts, which affects the adjustment range when splicing and welding two sets of rotating shafts.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a rotating shaft welding fixture, comprising a support frame and a rotating shaft, wherein the rotating shaft is movably mounted on the top of the support frame, a support plate is mounted on the top of the rotating shaft, a transverse cylinder is mounted on the top of the support plate, slide rails are symmetrically mounted on the top of the support plate near the transverse cylinder, sliders are slidably mounted on the outer walls of the slide rails, a connecting frame is mounted on the top of the sliders, a hollow bushing is mounted on the outer wall of the connecting frame and extends to the outside of the connecting frame, and a hollow drive shaft is movably mounted inside the hollow bushing and extends to the outside of the hollow bushing.

[0008] Preferably, a worm gear is fitted onto the surface of the hollow drive shaft, and a servo motor is installed on the outer wall of the connecting frame near the hollow shaft sleeve.

[0009] Preferably, a worm gear is installed at the output end of the servo motor, and the worm gear meshes with a worm wheel. A circular support block is installed at the end of the hollow drive shaft near the worm wheel.

[0010] Preferably, electric push rods are symmetrically installed inside the circular support block, and the electric push rods extend to the outside of the circular support block. Each output end of the electric push rod is equipped with a linkage plate.

[0011] Preferably, each of the linkage plates is equipped with a connecting rod at its bottom end, and each of the connecting rods is equipped with a clamping arm at its bottom end. The outer wall of the circular support block away from the hollow drive shaft is provided with a sliding groove, and the clamping arm is slidably connected to the sliding groove.

[0012] Preferably, the output end of the transverse cylinder is equipped with a transverse push rod, and the transverse push rod is connected to the connecting frame.

[0013] Preferably, a second gear is fitted on the surface of the rotating shaft, a stepper motor is installed at the top of the support frame near the rotating shaft, a connecting shaft is installed at the output end of the stepper motor, a first gear is fitted on the surface of the connecting shaft, and the first gear meshes with the second gear.

[0014] Preferably, the top of the support frame on the side away from the rotation axis is equipped with three sets of equally spaced limiting rods, and the limiting rods are slidably connected to the support plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the tooling fixture not only realizes the convenient and quick clamping and fixing of the two sets of rotating shafts, which is convenient to clamp and fix rotating shafts of different lengths, but also facilitates the splicing and welding of the two sets of rotating shafts at different angles, and facilitates the convenient adjustment of the splicing and welding angle of the two sets of rotating shafts, thus increasing the adjustment range when splicing and welding the two sets of rotating shafts.

[0016] (1) The electric push rod drives the linkage plate to move, the linkage plate drives the connecting rod to move, the connecting rod drives the clamping arm to slide under the sliding support of the slide groove, so that the clamping arm can hold the rotating shaft. The servo motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the hollow drive shaft to rotate under the movable support of the hollow bushing, the hollow drive shaft drives the circular support block, the clamping arm and the clamped rotating shaft to rotate, so that the rotating shaft can be circumferentially rotated and welded. The transverse cylinder drives the transverse push rod to move, the transverse push rod drives the connecting frame to move, the connecting frame drives the circular support block and the clamped rotating shaft to move, so that it can adapt to rotating shafts of different lengths. This realizes that the tooling fixture can conveniently and quickly clamp and fix the two sets of rotating shafts, which is convenient to adapt to the clamping and fixing of rotating shafts of different lengths and improves the convenience of the tooling fixture for clamping the rotating shaft.

[0017] (2) The stepper motor drives the connecting shaft to rotate, the connecting shaft drives the first gear to rotate, and the first gear drives the second gear to rotate. Under the sliding support of the limit rod on the support plate, the second gear drives the support plate, connecting frame, hollow bushing, circular support block and clamped rotating shaft to rotate, which facilitates the splicing and welding of the two sets of tooling fixtures at different angles. This realizes the splicing and welding of the two sets of rotating shafts at different angles, facilitates the convenient adjustment of the splicing and welding angle of the two sets of rotating shafts, increases the adjustment range when splicing and welding the two sets of rotating shafts, and improves the efficiency when splicing and welding the two sets of rotating shafts at multiple angles. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a front view structural diagram of the present utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the circular support block of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the worm gear of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the rotating shaft of this utility model;

[0023] Figure 6 This is a three-dimensional structural diagram of the transverse push rod of this utility model.

[0024] In the diagram: 1. Support frame; 2. Rotating shaft; 3. Support plate; 4. Horizontal cylinder; 5. Slide rail; 6. Slider; 7. Connecting frame; 8. Horizontal push rod; 9. Hollow bushing; 10. Hollow drive shaft; 11. Worm gear; 12. Worm wheel; 13. Servo motor; 14. Electric push rod; 15. Linkage plate; 16. Connecting rod; 17. Clamping arm; 18. Slide groove; 19. Circular support block; 20. Stepper motor; 21. First gear; 22. Connecting shaft; 23. Limiting rod; 24. Second gear. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0026] Please see Figure 1-6 This utility model provides an embodiment of a rotating shaft welding fixture, comprising a support frame 1 and a rotating shaft 2. The rotating shaft 2 is movably mounted on the top of the support frame 1, and a support plate 3 is mounted on the top of the rotating shaft 2. A transverse cylinder 4 is mounted on the top of the support plate 3. Slide rails 5 are symmetrically mounted on the top of the support plate 3 near the transverse cylinder 4. Slider blocks 6 are slidably mounted on the outer wall of each slide rail 5. A connecting frame 7 is mounted on the top of each slider 6. A hollow bushing 9 is mounted on the outer wall of the connecting frame 7, and the hollow bushing 9 extends to the outside of the connecting frame 7. A hollow drive shaft 10 is movably mounted inside the hollow bushing 9, and the hollow drive shaft 10 extends to the outside of the hollow bushing 9. A worm gear 12 is fitted on the surface of the hollow drive shaft 10. The connecting frame 7 is positioned near the hollow bushing 9. A servo motor 13 is installed on the outer wall of the servo motor 13. A worm gear 11 is installed at the output end of the servo motor 13 and meshes with a worm wheel 12. A circular support block 19 is installed at the end of the hollow drive shaft 10 near the worm wheel 12. Electric push rods 14 are symmetrically installed inside the circular support block 19 and extend to the outside of the circular support block 19. A linkage plate 15 is installed at the output end of each electric push rod 14. A connecting rod 16 is installed at the bottom end of each linkage plate 15 and a clamping arm 17 is installed at the bottom end of each connecting rod 16. A sliding groove 18 is provided on the outer wall of the circular support block 19 on the side away from the hollow drive shaft 10, and the clamping arm 17 is slidably connected to the sliding groove 18. A transverse push rod 8 is installed at the output end of the transverse cylinder 4 and is connected to the connecting frame 7.

[0027] Place the rotating shaft between the two sets of clamping arms 17 respectively. Turn on the electric push rod 14. With the support of the circular support block 19, the electric push rod 14 drives the linkage plate 15 to move. The linkage plate 15 drives the connecting rod 16 to move. The connecting rod 16 drives the clamping arm 17 to slide under the sliding support of the slide groove 18, so that the clamping arm 17 can hold the rotating shaft. Turn on the servo motor 13. With the support of the connecting frame 7, the servo motor 13 drives the worm gear 11 to rotate. With the meshing of the worm gear 11 and the worm wheel 12, the worm gear 11 drives the worm wheel 12 to rotate. The worm wheel 12 drives the hollow drive shaft 10 to rotate in the hollow bushing 9. The hollow drive shaft 10 rotates under the dynamic support, driving the circular support block 19, clamping arm 17, and the clamped shaft to rotate, facilitating circumferential rotation welding of the shaft. The horizontal cylinder 4 is opened, and under the support of the support plate 3, the horizontal cylinder 4 drives the horizontal push rod 8 to move. The horizontal push rod 8 drives the connecting frame 7 to move, and the connecting frame 7 drives the circular support block 19 and the clamped shaft to move, which can easily adapt to shafts of different lengths. This enables the tooling fixture to conveniently and quickly clamp and fix the two sets of shafts, making it easier to clamp and fix shafts of different lengths and improving the convenience of the tooling fixture for clamping shafts.

[0028] The surface of the rotating shaft 2 is fitted with a second gear 24. A stepper motor 20 is installed at the top of the support frame 1 on the side close to the rotating shaft 2. A connecting shaft 22 is installed at the output end of the stepper motor 20. A first gear 21 is fitted on the surface of the connecting shaft 22, and the first gear 21 meshes with the second gear 24. Three sets of limit rods 23 with equal spacing are installed at the top of the support frame 1 on the side away from the rotating shaft 2, and the limit rods 23 are slidably connected to the support plate 3.

[0029] When the stepper motor 20 is turned on, it drives the connecting shaft 22 to rotate under the support of the support frame 1. The connecting shaft 22 drives the first gear 21 to rotate. Under the meshing action of the first gear 21 and the second gear 24, the first gear 21 drives the second gear 24 to rotate. Under the sliding support of the limit rod 23 on the support plate 3, the second gear 24 drives the support plate 3, the connecting frame 7, the hollow bushing 9, the circular support block 19, and the clamped rotating shaft to rotate. This facilitates the splicing and welding of the two sets of rotating shafts at different angles by the two sets of tooling fixtures. It also facilitates the convenient adjustment of the splicing and welding angle of the two sets of rotating shafts, increases the adjustment range when splicing and welding the two sets of rotating shafts, and improves the efficiency of splicing and welding the two sets of rotating shafts at multiple angles.

[0030] In this embodiment, during use: First, the electric push rod 14 drives the linkage plate 15 to move, the linkage plate 15 drives the connecting rod 16 to move, and the connecting rod 16 drives the clamping arm 17 to slide under the sliding support of the slide groove 18, so that the clamping arm 17 can hold the rotating shaft. The servo motor 13 drives the worm gear 11 to rotate, and the worm wheel 12 drives the hollow drive shaft 10 to rotate under the movable support of the hollow bushing 9. The hollow drive shaft 10 drives the circular support block 19, the clamping arm 17, and the clamped rotating shaft to rotate, so as to facilitate the circumferential rotation welding of the rotating shaft. The transverse cylinder 4 drives the transverse push rod 15 to rotate. The rod 8 moves, the horizontal push rod 8 drives the connecting frame 7 to move, the connecting frame 7 drives the circular support block 19 and the clamped rotating shaft to move, which can easily adapt to rotating shafts of different lengths. The stepper motor 20 drives the connecting shaft 22 to rotate, the connecting shaft 22 drives the first gear 21 to rotate, the first gear 21 drives the second gear 24 to rotate, and the second gear 24 drives the support plate 3, the connecting frame 7, the hollow bushing 9, the circular support block 19 and the clamped rotating shaft to rotate, which can facilitate the splicing and welding of the two sets of tooling fixtures to the two sets of rotating shafts at different angles to complete the use of the tooling fixtures.

Claims

1. A welding fixture for rotating shafts, characterized in that: The device includes a support frame (1) and a rotating shaft (2). The rotating shaft (2) is movably mounted on the top of the support frame (1). A support plate (3) is mounted on the top of the rotating shaft (2). A transverse cylinder (4) is mounted on the top of the support plate (3). Slide rails (5) are symmetrically mounted on the top of the support plate (3) near the transverse cylinder (4). Slider blocks (6) are slidably mounted on the outer wall of each slide rail (5). A connecting frame (7) is mounted on the top of each slider (6). A hollow bushing (9) is mounted on the outer wall of the connecting frame (7) and extends to the outside of the connecting frame (7). A hollow drive shaft (10) is movably mounted inside the hollow bushing (9) and extends to the outside of the hollow bushing (9).

2. The shaft welding fixture according to claim 1, characterized in that: The surface of the hollow drive shaft (10) is fitted with a worm gear (12), and a servo motor (13) is installed on the outer wall of the connecting frame (7) near the hollow bushing (9).

3. The shaft welding fixture according to claim 2, characterized in that: The output end of the servo motor (13) is equipped with a worm gear (11), and the worm gear (11) meshes with the worm wheel (12). A circular support block (19) is installed at the end of the hollow drive shaft (10) near the worm wheel (12).

4. The shaft welding fixture according to claim 3, characterized in that: Electric push rods (14) are symmetrically installed inside the circular support block (19), and the electric push rods (14) extend to the outside of the circular support block (19). The output end of each electric push rod (14) is equipped with a linkage plate (15).

5. The shaft welding fixture according to claim 4, characterized in that: The bottom end of each linkage plate (15) is equipped with a connecting rod (16), and the bottom end of each connecting rod (16) is equipped with a clamping arm (17). The outer wall of the circular support block (19) away from the hollow drive shaft (10) is provided with a sliding groove (18), and the clamping arm (17) is slidably connected to the sliding groove (18).

6. The shaft welding fixture according to claim 1, characterized in that: The output end of the transverse cylinder (4) is equipped with a transverse push rod (8), and the transverse push rod (8) is connected to the connecting frame (7).

7. The shaft welding fixture according to claim 1, characterized in that: The surface of the rotating shaft (2) is fitted with a second gear (24). A stepper motor (20) is installed at the top of the support frame (1) near the rotating shaft (2). A connecting shaft (22) is installed at the output end of the stepper motor (20). A first gear (21) is fitted on the surface of the connecting shaft (22), and the first gear (21) meshes with the second gear (24).

8. The shaft welding fixture according to claim 1, characterized in that: The top of the support frame (1) on the side away from the rotating shaft (2) is equipped with three sets of equally spaced limiting rods (23), and the limiting rods (23) are slidably connected to the support plate (3).

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