Coaxiality calibration device

Abstract

The utility model provides a coaxiality calibration device, which relates to the technical field of coaxiality calibration and comprises a workbench, a fixing plate and a supporting plate are fixedly mounted at the top of the workbench, and a motor is fixedly mounted on the outer wall of the fixing plate. In the fixing process, a worker places one end of a workpiece into a triangular opening in the first base, then a third grab handle is rotated, a third threaded rod is rotated, a clamping plate moves downwards to clamp the workpiece, the worker starts an air cylinder according to the height of the other end of the workpiece, and the output end of the air cylinder pushes the second base to ascend; and a triangular opening in a second base is moved to the height of the bottom of the other end of the workpiece, then a worker starts an electric telescopic rod and an L-shaped plate to move according to the length of the workpiece, the other end of the workpiece enters the triangular opening, a third grab handle is rotated, the other end of the workpiece is fixed, fixing can be completed, and the fixing stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coaxiality calibration, in particular to a coaxiality calibration device. Background Art

[0002] The coaxiality calibration device is an auxiliary device used in industrial production and processing to detect and calibrate the coaxiality of workpieces such as connecting shafts, improve the accuracy of workpieces, and extend the service life of equipment. It has been widely used in the field of coaxiality calibration technology.

[0003] In the prior art, such as the one in Chinese patent CN 219829739 U, one end of the connecting shaft is placed in the triangular opening, the screw is rotated to press the pressing block to fix the left part of the connecting shaft, and then the second screw is rotated to move the probe downward to contact the right surface of the connecting shaft, the right part of the connecting shaft is rotated, and its coaxiality is judged by the reading of the dial indicator and calibrated, and then the first screw is rotated to stably adjust the position of the probe, so as to calibrate different positions of the connecting shaft. The overall structure is simple, easy to operate, and highly practical; it includes a base and a foot, and the foot is fixedly arranged at the bottom of the base; it also includes a fixing mechanism, a moving mechanism and a calibration mechanism, the fixing mechanism is arranged at the top of the base, the moving mechanism is arranged at the top of the base, and the calibration mechanism is arranged on the moving mechanism. However, the patent still has the following problems.

[0004] In the above patent, although the patent sets up a fixing mechanism for fixing the workpiece to facilitate measurement, since the fixing mechanism can only fix one end of the workpiece, if the workpiece is too heavy or too large, it may cause unstable fixation, or the fixing mechanism may be damaged due to the small contact area between the fixing mechanism and the workpiece. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that the fixing mechanism can only fix one end of the workpiece, which may cause unstable fixation if the workpiece is too heavy or too large, or the fixing mechanism may be damaged due to the small contact area between the fixing mechanism and the workpiece, and proposes a coaxiality calibration device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a coaxiality calibration device, comprising a workbench, a fixed plate and a support plate are fixedly installed on the top of the workbench, a motor is fixedly installed on the outer wall of the fixed plate, the output end of the motor passes through the fixed plate and is fixedly installed with a first base, an electric telescopic rod is fixedly installed on the outer wall of the support plate, the telescopic end of the electric telescopic rod passes through the support plate and is fixedly installed with a moving plate, a rotating groove is opened inside the moving plate, a turntable is rotatably installed inside the rotating groove, a rotating shaft is fixedly installed at one end of the turntable, and one end of the rotating shaft passes through the moving The plate is fixedly installed with an L-shaped plate, a cylinder is fixedly installed at the bottom of the L-shaped plate, the output end of the cylinder passes through the L-shaped plate and is fixedly installed with a second base, triangular openings are provided on the tops of the first base and the second base, a U-shaped plate is fixedly installed on the tops of the first base and the second base, a threaded hole is passed through the top of the U-shaped plate, a third threaded rod is threadedly connected inside the threaded hole, a third handle is fixedly installed on the top of the third threaded rod, a splint is movably connected with the bottom of the third threaded rod, two limit plates are fixedly installed on the top of the splint, and the top of the limit plate is slidably plugged with the U-shaped plate.

[0007] Preferably, a slide groove is provided on the top of the workbench, a first threaded rod is rotatably installed inside the slide groove, one end of the first threaded rod passes through the workbench and a first handle is fixedly installed thereon, and an adjustment seat is threadedly connected to the outer wall of the first threaded rod.

[0008] Preferably, a second threaded rod is rotatably mounted inside the adjustment seat, a top of the second threaded rod passes through the adjustment seat and a second handle is fixedly mounted thereon, and a sliding block is threadedly connected to an outer wall of the second threaded rod.

[0009] Preferably, a connecting rod is fixedly installed at one end of the slider, a slot is opened at one end of the connecting rod, first through holes are opened on both sides of the slot, a fixing rod is slidably installed inside the slot, and a second through hole is opened on the outer wall of the fixing rod.

[0010] Preferably, a dial indicator is provided at one end of the fixing rod, and a probe is provided at the bottom of the dial indicator.

[0011] Preferably, the diameter of the first through hole is equal to the diameter of the second through hole.

[0012] Preferably, support frames are fixedly installed on the four corners of the bottom of the workbench.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, when fixing, the staff places one end of the workpiece into the triangular opening on the first base, and then rotates the third handle, the third threaded rod rotates, so that the clamp moves downward to clamp the workpiece, and the staff starts the cylinder according to the height of the other end of the workpiece, and the output end of the cylinder pushes the second base to rise, so that the triangular opening on the second base moves to the height of the bottom of the other end of the workpiece, and then the staff starts the electric telescopic rod according to the length of the workpiece, the L-shaped plate moves, so that the other end of the workpiece enters the triangular opening, and rotates the third handle to fix the other end of the workpiece, so that the fixation is completed, which improves the stability of the fixation.

[0015] 2. In the utility model, when disassembling the dial indicator, the staff rotates the bolt to remove the bolt from the first through hole and the second through hole, and then the staff takes out the fixing rod from the slot to repair the dial indicator. When the repair is completed, the fixing rod is inserted into the slot. At this time, the centers of the first through hole and the second through hole are on the same straight line, and the staff inserts the bolt into the first through hole and the second through hole to complete the fixation, which facilitates the installation and disassembly of the dial indicator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides an overall stereogram of a coaxiality calibration device;

[0017] Figure 2 A three-dimensional diagram of the internal structure of a movable plate of a coaxiality calibration device proposed by the utility model;

[0018] Figure 3 A three-dimensional diagram of a U-shaped plate of a coaxiality calibration device is proposed for the utility model;

[0019] Figure 4 The utility model provides a cross-sectional view of a connecting rod of a coaxiality calibration device.

[0020] Legend: 1. Workbench; 2. Support frame; 3. Fixed plate; 4. Support plate; 5. Motor; 6. First base; 7. Electric telescopic rod; 8. Slide; 9. First threaded rod; 10. First handle; 11. Adjustment seat; 12. Second threaded rod; 13. Second handle; 14. Slider; 15. Moving plate; 16. Rotating groove; 17. Turntable; 18. Rotating shaft; 19. L-shaped plate; 20. Cylinder; 21. Second base; 22. U-shaped plate; 23. Threaded hole; 24. Third threaded rod; 25. Third handle; 26. Clamp; 27. Limit plate; 28. Triangle mouth; 29. ​​Connecting rod; 30. Slot; 31. Fixed rod; 32. First through hole; 33. Second through hole; 34. Dial indicator; 35. Probe. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a coaxiality calibration device, including a workbench 1, a fixed plate 3 and a support plate 4 are fixedly installed on the top of the workbench 1, a motor 5 is fixedly installed on the outer wall of the fixed plate 3, the output end of the motor 5 passes through the fixed plate 3 and is fixedly installed with a first base 6, an electric telescopic rod 7 is fixedly installed on the outer wall of the support plate 4, the telescopic end of the electric telescopic rod 7 passes through the support plate 4 and is fixedly installed with a moving plate 15, a rotating groove 16 is opened inside the moving plate 15, a turntable 17 is rotatably installed inside the rotating groove 16, a rotating shaft 18 is fixedly installed at one end of the turntable 17, and one end of the rotating shaft 18 passes through the moving plate 15 and is fixedly installed with an L-shaped plate 19, A cylinder 20 is fixedly installed at the bottom of the L-shaped plate 19, and the output end of the cylinder 20 passes through the L-shaped plate 19 and is fixedly installed with a second base 21. A triangular opening 28 is provided on the top of the first base 6 and the second base 21, and a U-shaped plate 22 is fixedly installed on the top of the first base 6 and the second base 21. A threaded hole 23 is provided on the top of the U-shaped plate 22, and a third threaded rod 24 is threadedly connected inside the threaded hole 23. A third handle 25 is fixedly installed on the top of the third threaded rod 24, and a splint 26 is movably connected to the bottom of the third threaded rod 24. Two limit plates 27 are fixedly installed on the top of the splint 26, and the top of the limit plate 27 is slidably plugged with the U-shaped plate 22.

[0024] The effect achieved by the entire embodiment 1 is that, when fixing, the staff places one end of the workpiece into the triangular opening 28 on the first base 6, and then rotates the third handle 25, and the third threaded rod 24 rotates, so that the clamping plate 26 moves downward to clamp the workpiece, and the staff starts the cylinder 20 according to the height of the other end of the workpiece, and the output end of the cylinder 20 pushes the second base 21 to rise, so that the triangular opening 28 on the second base 21 moves to the height of the bottom of the other end of the workpiece, and then the staff starts the electric telescopic rod 7 according to the length of the workpiece, and the L-shaped plate 19 moves, so that the other end of the workpiece enters the triangular opening 28, and rotates the third handle 25 to fix the other end of the workpiece, so that the fixation is completed, and the stability of the fixation is improved.

[0025] Embodiment 2, as Figure 1-Figure 4As shown, further, a slide groove 8 is opened on the top of the workbench 1, and a first threaded rod 9 is rotatably installed inside the slide groove 8. One end of the first threaded rod 9 passes through the workbench 1 and is fixedly installed with a first handle 10. The outer wall of the first threaded rod 9 is threadedly connected with an adjustment seat 11.

[0026] Furthermore, a second threaded rod 12 is rotatably mounted inside the adjustment seat 11 , a second handle 13 is fixedly mounted on the top of the second threaded rod 12 which passes through the adjustment seat 11 , and a slider 14 is threadedly connected to the outer wall of the second threaded rod 12 .

[0027] Furthermore, a connecting rod 29 is fixedly installed at one end of the slider 14, a slot 30 is opened at one end of the connecting rod 29, first through holes 32 are opened through both sides of the slot 30, a fixing rod 31 is slidably installed inside the slot 30, and a second through hole 33 is opened through the outer wall of the fixing rod 31.

[0028] Furthermore, a dial indicator 34 is disposed at one end of the fixing rod 31 , and a probe 35 is disposed at the bottom of the dial indicator 34 .

[0029] Furthermore, the diameter of the first through hole 32 is equal to the diameter of the second through hole 33 , so that the bolts passing through the first through hole 32 and the second through hole 33 can be fixed to fix the fixing rod 31 without shaking.

[0030] Furthermore, support frames 2 are fixedly installed at the four corners of the bottom of the workbench 1.

[0031] The effect achieved by the entire embodiment 2 is that when disassembling the dial indicator 34, the staff rotates the bolt to remove the bolt from the first through hole 32 and the second through hole 33, and then the staff takes out the fixing rod 31 from the slot 30 to repair the dial indicator 34. When the repair is completed, the fixing rod 31 is inserted into the slot 30. At this time, the centers of the first through hole 32 and the second through hole 33 are on the same straight line. The staff inserts the bolt into the first through hole 32 and the second through hole 33 to complete the fixation, which facilitates the installation and disassembly of the dial indicator 34.

[0032] Working principle: When fixing, the staff puts one end of the workpiece into the triangular opening 28 on the first base 6, then rotates the third handle 25, the third threaded rod 24 rotates, so that the clamping plate 26 moves downward to clamp the workpiece, and the staff starts the cylinder 20 according to the height of the other end of the workpiece, and the output end of the cylinder 20 pushes the second base 21 to rise, so that the triangular opening 28 on the second base 21 moves to the height of the bottom of the other end of the workpiece, and then the staff starts the electric telescopic rod 7 according to the length of the workpiece, and the L-shaped plate 19 moves, so that the other end of the workpiece enters the triangular opening 28, and rotates the third handle 25 to fix the other end of the workpiece, so that the fixation can be completed, and the stability of the fixation is improved. When measuring, the staff rotates the first handle 10, the first threaded rod 9 rotates to drive the adjustment seat 11 to rotate, and then rotates the second handle 13, the second threaded rod 12 rotates, and then drives the slider 14 to descend until the probe 35 contacts the surface of the workpiece, and then starts the motor 5, the workpiece rotates, and its coaxiality is judged by the reading of the dial indicator 34, and it is calibrated. When disassembling the dial indicator 34, the staff turns the bolt to remove the bolt from the first through hole 32 and the second through hole 33, and then the staff takes out the fixing rod 31 from the slot 30 to repair the dial indicator 34. When the repair is completed, the fixing rod 31 is inserted into the slot 30. At this time, the centers of the first through hole 32 and the second through hole 33 are on the same straight line. The staff inserts the bolt into the first through hole 32 and the second through hole 33 to complete the fixation, which facilitates the installation and disassembly of the dial indicator 34.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A coaxiality calibration device, comprising a workbench (1), characterized in that: A fixed plate (3) and a support plate (4) are fixedly installed on the top of the workbench (1); a motor (5) is fixedly installed on the outer wall of the fixed plate (3); the output end of the motor (5) passes through the fixed plate (3) and is fixedly installed with a first base (6); an electric telescopic rod (7) is fixedly installed on the outer wall of the support plate (4); the telescopic end of the electric telescopic rod (7) passes through the support plate (4) and is fixedly installed with a movable plate (15); a rotating groove (16) is provided inside the movable plate (15); a rotating disk (17) is rotatably installed inside the rotating groove (16); a rotating shaft (18) is fixedly installed at one end of the rotating disk (17); one end of the rotating shaft (18) passes through the movable plate (15) and is fixedly installed with an L-shaped plate (19); a rotating shaft (18) is fixedly installed at the bottom of the L-shaped plate (19); A cylinder (20), the output end of the cylinder (20) passes through the L-shaped plate (19) and is fixedly installed with a second base (21), the tops of the first base (6) and the second base (21) are both provided with triangular openings (28), the tops of the first base (6) and the second base (21) are both fixedly installed with a U-shaped plate (22), the top of the U-shaped plate (22) is provided with a threaded hole (23), the inner part of the threaded hole (23) is threadedly connected with a third threaded rod (24), the top of the third threaded rod (24) is fixedly installed with a third handle (25), the bottom of the third threaded rod (24) is movably connected with a clamping plate (26), the top of the clamping plate (26) is fixedly installed with two limit plates (27), and the top of the limit plate (27) is slidably plugged with the U-shaped plate (22).

2. A coaxiality calibration device according to claim 1, characterized in that: The workbench (1) is provided with a slide groove (8) at the top, a first threaded rod (9) is rotatably mounted inside the slide groove (8), one end of the first threaded rod (9) passes through the workbench (1) and is fixedly mounted with a first handle (10), and an outer wall of the first threaded rod (9) is threadedly connected with an adjustment seat (11).

3. A coaxiality calibration device according to claim 2, characterized in that: A second threaded rod (12) is rotatably mounted inside the adjustment seat (11); the top of the second threaded rod (12) passes through the adjustment seat (11) and is fixedly mounted with a second handle (13); and the outer wall of the second threaded rod (12) is threadedly connected with a slider (14).

4. A coaxiality calibration device according to claim 3, characterized in that: A connecting rod (29) is fixedly mounted on one end of the slider (14), a slot (30) is provided on one end of the connecting rod (29), first through holes (32) are provided through both sides of the slot (30), a fixing rod (31) is slidably mounted inside the slot (30), and a second through hole (33) is provided through the outer wall of the fixing rod (31).

5. A coaxiality calibration device according to claim 4, characterized in that: A dial gauge (34) is disposed at one end of the fixing rod (31), and a probe (35) is disposed at the bottom of the dial gauge (34).

6. A coaxiality calibration device according to claim 4, characterized in that: The diameter of the first through hole (32) is equal to the diameter of the second through hole (33).

7. A coaxiality calibration device according to claim 4, characterized in that: Support frames (2) are fixedly mounted on the four corners at the bottom of the workbench (1).

Images