High-precision rotary table with positioning structure

Abstract

The utility model discloses a high-precision rotary table with a positioning structure, which belongs to the technical field of high-precision rotary tables and comprises a rotary table body, support legs are fixedly mounted at the bottom of the rotary table body, a heat dissipation component is arranged on the inner wall of the rotary table body, a travel groove is arranged on the top surface of the rotary table body, and the positioning structure is arranged in the travel groove. A travel groove is formed in the rotary table body, a positioning assembly is arranged on the inner wall of the travel groove and comprises a forward and reverse motor, a chassis and a bidirectional threaded rod, the forward and reverse motor is fixedly installed on the outer wall of the rotary table body, a worm is fixedly installed at one end of an output shaft of the forward and reverse motor, and the chassis is fixedly installed on the inner wall of the bottom of the rotary table body; according to the clamping device, due to the arrangement of the positioning assembly and the design, the operation process during workpiece clamping is effectively simplified, multiple steps do not need to be completed, the working efficiency is greatly improved, and the use effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-precision turntables, and in particular relates to a high-precision turntable with a positioning structure. Background Art

[0002] The high-precision turntable is a measuring instrument used in the basic disciplines of engineering and technological science. It is mainly used in various fields such as national defense and military industry, medical equipment, drones and intelligent manufacturing.

[0003] Today's high-precision turntables need to clamp and position workpieces when performing metrological tests. Most of the workpiece clamping operations are cumbersome and require multiple steps, which greatly reduces work efficiency and results in poor results. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the current high-precision turntable needs to clamp and position the workpiece when performing metrological testing on it, and most of the operations for clamping the workpiece are relatively cumbersome and require multiple steps to be completed, which greatly reduces the work efficiency and has poor use effect. A high-precision turntable with a positioning structure is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-precision turntable with a positioning structure, comprising a turntable body, a support leg fixedly installed on the bottom of the turntable body, a heat dissipation component is arranged on the inner wall of the turntable body, a travel groove is arranged on the top surface of the turntable body, and a positioning component is arranged on the inner wall of the travel groove.

[0006] As a further description of the above technical solution:

[0007] The positioning assembly includes a forward and reverse motor, a chassis and a bidirectional threaded rod. The forward and reverse motor is fixedly mounted on the outer wall of the turntable body. A worm is fixedly mounted on one end of the output shaft of the forward and reverse motor. The chassis is fixedly mounted on the inner wall of the bottom of the turntable body.

[0008] As a further description of the above technical solution:

[0009] A worm wheel is rotatably mounted on the top surface of the chassis, the worm wheel is meshingly connected with the worm, a transmission rod is fixedly mounted on the top of the worm wheel, a first bevel gear is fixedly mounted on the top of the transmission rod, the bidirectional threaded rod is rotatably mounted on the inner wall at the top of the turntable body, and a second bevel gear is fixedly mounted on the outer wall at the middle end of the bidirectional threaded rod.

[0010] As a further description of the above technical solution:

[0011] The second bevel gear is meshedly connected with the first bevel gear, an internal threaded ring is threadedly installed on the outer wall of the bidirectional threaded rod, a connecting rod is fixedly installed on the outer wall of the internal threaded ring, a clamping plate is fixedly installed on the top of the connecting rod, and the inner wall of the travel groove is slidably connected to the connecting rod.

[0012] As a further description of the above technical solution:

[0013] The heat dissipation assembly includes a first pulley, a mounting plate and a heat dissipation net. The first pulley is fixedly mounted on the outer wall of the worm, the bottom end of the mounting plate is fixedly mounted on the inner wall of the bottom of the turntable body, a second pulley is rotatably mounted on the outer wall of the mounting plate, and belts are arranged on the outside of the first pulley and the second pulley.

[0014] As a further description of the above technical solution:

[0015] A second gear is fixedly mounted on the outer wall of the second pulley, the heat dissipation net is fixedly mounted on the outer wall of the turntable body, a connecting shaft is rotatably mounted on the outer wall of the heat dissipation net, a fan blade is fixedly mounted on the other end of the connecting shaft, a first gear is fixedly mounted on the outer wall of the fan blade, and the first gear is meshingly connected with the second gear.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, a positioning component is provided, the forward and reverse motors are turned on, the output shafts of the forward and reverse motors drive the worm, the worm and the worm wheel are meshed and connected, the worm wheels rotate synchronously, the worm wheel drives the first bevel gear to rotate through the transmission rod, the first bevel gear and the second bevel gear are meshed and connected, the second bevel gear drives the bidirectional threaded rod to rotate, the outer wall of the bidirectional threaded rod is threadedly connected to the internal threaded ring bracket, the bidirectional threaded rod rotates while driving the internal threaded ring to move on its outer wall, the internal threaded ring drives the clamping plate to move through the connecting rod, and the workpiece is tightened. Through this design, the operation process of clamping the workpiece is effectively simplified, and there is no need to complete multiple steps, which greatly improves work efficiency and has a good use effect.

[0018] 2. In the utility model, a heat dissipation component is provided, and the worm drives the first pulley to rotate while rotating, and the first pulley drives the second pulley to rotate through the belt, and the second pulley drives the second gear to rotate. The second gear is meshed and connected with the first gear so that they rotate at the same time, and the first gear drives the fan blades to rotate to generate a wind field. Through this design, the heat generated by the internal operation of the equipment is effectively exported to the outside, thereby avoiding the continuous increase of its internal temperature and achieving good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the three-dimensional structure of a high-precision turntable with a positioning structure.

[0020] Figure 2 The present invention is a schematic diagram of the combined three-dimensional structure of a positioning component and a heat dissipation component in a high-precision turntable with a positioning structure.

[0021] Figure 3 It is a schematic diagram of the exploded three-dimensional structure of a heat dissipation component in a high-precision turntable with a positioning structure.

[0022] Figure 4 This is a schematic diagram of the enlarged structure at point A in a high-precision turntable with a positioning structure.

[0023] Legend:

[0024] 1. Turntable body; 2. Support legs; 3. Travel groove; 4. Positioning assembly; 41. Forward and reverse motors; 42. Worm; 43. Chassis; 44. Worm wheel; 45. Transmission rod; 46. First bevel gear; 47. Second bevel gear; 48. Bidirectional threaded rod; 49. Clamp; 410. Internal threaded ring; 411. Connecting rod; 5. Heat dissipation assembly; 51. Heat dissipation net; 52. First pulley; 53. Belt; 54. Second pulley; 55. Mounting plate; 56. First gear; 57. Second gear; 58. Fan blade; 59. Connecting shaft. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] See also Figure 1-4 The utility model provides a technical solution: a high-precision turntable with a positioning structure, comprising a turntable body 1, a support leg 2 is fixedly installed at the bottom of the turntable body 1, a heat dissipation component 5 is arranged on the inner wall of the turntable body 1, a travel groove 3 is arranged on the top surface of the turntable body 1, and a positioning component 4 is arranged on the inner wall of the travel groove 3;

[0027] The positioning assembly 4 includes a forward and reverse motor 41, a chassis 43 and a bidirectional threaded rod 48. The forward and reverse motor 41 is fixedly mounted on the outer wall of the turntable body 1. A worm 42 is fixedly mounted on one end of the output shaft of the forward and reverse motor 41. The chassis 43 is fixedly mounted on the inner wall of the bottom of the turntable body 1. A worm wheel 44 is rotatably mounted on the top surface of the chassis 43. The worm wheel 44 is meshedly connected with the worm 42. A transmission rod 45 is fixedly mounted on the top of the worm wheel 44. A first bevel gear is fixedly mounted on the top of the transmission rod 45. 46, the bidirectional threaded rod 48 is rotatably mounted on the inner wall at the top of the turntable body 1, a second bevel gear 47 is fixedly mounted on the outer wall at the middle end of the bidirectional threaded rod 48, the second bevel gear 47 is meshingly connected with the first bevel gear 46, an internal threaded ring 410 is threadedly mounted on the outer wall of the bidirectional threaded rod 48, a connecting rod 411 is fixedly mounted on the outer wall of the internal threaded ring 410, a clamping plate 49 is fixedly mounted on the top of the connecting rod 411, and the inner wall of the travel groove 3 is slidably connected to the connecting rod 411;

[0028] The specific implementation method is as follows: turn on the forward and reverse motor 41, the output shaft of the forward and reverse motor 41 drives the worm 42, the worm 42 is meshed with the worm wheel 44, the worm wheel 44 rotates synchronously, the worm wheel 44 drives the first bevel gear 46 to rotate through the transmission rod 45, the first bevel gear 46 is meshed with the second bevel gear 47, the second bevel gear 47 drives the bidirectional threaded rod 48 to rotate, the outer wall of the bidirectional threaded rod 48 is threadedly connected with the internal threaded ring 410 bracket, the bidirectional threaded rod 48 rotates while driving the internal threaded ring 410 to move on its outer wall, the internal threaded ring 410 drives the clamping plate 49 to move through the connecting rod 411, and the workpiece is tightened.

[0029] The heat dissipation assembly 5 includes a first pulley 52, a mounting plate 55 and a heat dissipation net 51, wherein the first pulley 52 is fixedly mounted on the outer wall of the worm 42, the bottom end of the mounting plate 55 is fixedly mounted on the inner wall of the bottom of the turntable body 1, a second pulley 54 is rotatably mounted on the outer wall of the mounting plate 55, a belt 53 is arranged outside the first pulley 52 and the second pulley 54, a second gear 57 is fixedly mounted on the outer wall of the second pulley 54, the heat dissipation net 51 is fixedly mounted on the outer wall of the turntable body 1, a connecting shaft 59 is rotatably mounted on the outer wall of the heat dissipation net 51, a fan blade 58 is fixedly mounted on the other end of the connecting shaft 59, a first gear 56 is fixedly mounted on the outer wall of the fan blade 58, and the first gear 56 is meshingly connected with the second gear 57;

[0030] The specific implementation method is as follows: the worm 42 rotates while driving the first pulley 52 to rotate, the first pulley 52 drives the second pulley 54 to rotate through the belt 53, the second pulley 54 drives the second gear 57 to rotate, the second gear 57 is meshed with the first gear 56 so that they rotate at the same time, and the first gear 56 drives the fan blades 58 to rotate to generate a wind field.

[0031] Working principle: turn on the forward and reverse motor 41, and the output shaft of the forward and reverse motor 41 drives the worm 42, the worm 42 is meshed with the worm wheel 44, and the worm wheel 44 rotates synchronously, and the worm wheel 44 drives the first bevel gear 46 to rotate through the transmission rod 45, and the first bevel gear 46 is meshed with the second bevel gear 47, and the second bevel gear 47 drives the two-way threaded rod 48 to rotate, and the outer wall of the two-way threaded rod 48 is threadedly connected with the internal threaded ring 410 bracket. When the two-way threaded rod 48 rotates, the internal threaded ring 410 is displaced on its outer wall, and the internal threaded ring 410 drives the clamping plate 49 to displace through the connecting rod 411 to tighten the workpiece, and the worm 42 rotates while driving the first pulley 52 to rotate, and the first pulley 52 drives the second pulley 54 to rotate through the belt 53, and the second pulley 54 drives the second gear 57 to rotate, and the second gear 57 is meshed with the first gear 56 so that they rotate at the same time, and the first gear 56 drives the fan blades 58 to rotate to generate a wind field.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-precision turntable with a positioning structure, comprising a turntable body (1), characterized in that: A support leg (2) is fixedly mounted on the bottom of the turntable body (1), a heat dissipation component (5) is arranged on the inner wall of the turntable body (1), a travel groove (3) is arranged on the top surface of the turntable body (1), and a positioning component (4) is arranged on the inner wall of the travel groove (3).

2. A high-precision turntable with a positioning structure according to claim 1, characterized in that: The positioning assembly (4) comprises a forward and reverse motor (41), a chassis (43) and a bidirectional threaded rod (48); the forward and reverse motor (41) is fixedly mounted on the outer wall of the turntable body (1); a worm (42) is fixedly mounted on one end of the output shaft of the forward and reverse motor (41); and the chassis (43) is fixedly mounted on the inner wall of the bottom of the turntable body (1).

3. The high-precision turntable with a positioning structure according to claim 2, characterized in that: A worm wheel (44) is rotatably mounted on the top surface of the chassis (43), the worm wheel (44) is meshingly connected with the worm (42), a transmission rod (45) is fixedly mounted on the top of the worm wheel (44), a first bevel gear (46) is fixedly mounted on the top of the transmission rod (45), the bidirectional threaded rod (48) is rotatably mounted on the inner wall of the top of the turntable body (1), and a second bevel gear (47) is fixedly mounted on the outer wall of the middle end of the bidirectional threaded rod (48).

4. The high-precision turntable with a positioning structure according to claim 3, characterized in that: The second bevel gear (47) is meshingly connected with the first bevel gear (46); an internal thread ring (410) is threadedly mounted on the outer wall of the bidirectional threaded rod (48); a connecting rod (411) is fixedly mounted on the outer wall of the internal thread ring (410); a clamping plate (49) is fixedly mounted on the top end of the connecting rod (411); and the inner wall of the travel groove (3) and the connecting rod (411) are slidably connected.

5. The high-precision turntable with a positioning structure according to claim 4, characterized in that: The heat dissipation assembly (5) comprises a first pulley (52), a mounting plate (55) and a heat dissipation net (51), wherein the first pulley (52) is fixedly mounted on the outer wall of the worm (42), the bottom end of the mounting plate (55) is fixedly mounted on the inner wall of the bottom of the turntable body (1), a second pulley (54) is rotatably mounted on the outer wall of the mounting plate (55), and belts (53) are arranged outside the first pulley (52) and the second pulley (54).

6. The high-precision turntable with a positioning structure according to claim 5, characterized in that: A second gear (57) is fixedly mounted on the outer wall of the second pulley (54); the heat dissipation net (51) is fixedly mounted on the outer wall of the turntable body (1); a connecting shaft (59) is rotatably mounted on the outer wall of the heat dissipation net (51); a fan blade (58) is fixedly mounted on the other end of the connecting shaft (59); a first gear (56) is fixedly mounted on the outer wall of the fan blade (58); and the first gear (56) is meshingly connected with the second gear (57).

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