High-precision multifunctional precision rotary table

Abstract

The invention belongs to the technical field of precision rotary tables, and discloses a high-precision multifunctional precision rotary table which comprises a bottom plate, a supporting frame is arranged at the top end of the bottom plate, a second motor is fixed to the top end of the supporting frame, and a first fixing arm is installed at the output end of the second motor. Through cooperation of the top sleeve, the first screw rod, the bottom sleeve and other structures, the device can drive the first bevel gear to rotate through operation of the first motor, so that the second bevel gear is driven to rotate through rotation of the first bevel gear, and then the second screw rod is driven to rotate; the second screw rod can be matched with the first screw rod through the shape of the second screw rod during rotation so as to drive the first screw rod to rotate in the bottom sleeve, the position of the supporting frame at the top end can be lifted, after the whole position of the device is lifted, a user can use the device in various environments, and the functionality of the device is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of precision turntables, in particular to a high-precision multifunctional precision turntable. Background Art

[0002] The precision turntable introduces a special servo system to meet the parameter requirements. The system can well solve the problems of angle range, angular acceleration, speed, positioning accuracy and repeatability. This servo system has the characteristics of fast response, large torque, good acceleration effect and super accurate positioning.

[0003] For example, the utility model with publication number CN219787374U discloses a high-precision multifunctional precision turntable, including a base, a disc is arranged above the base, a reinforcement sleeve is arranged above the disc, a turntable is arranged above the reinforcement sleeve, and a threading hole is opened on the outer wall of the turntable; the utility model arranges a sensor sheet, a photoelectric switch, a deceleration component and a motor connecting seat. When the precision turntable is used, the servo motor is connected to the motor connecting seat on the side, the deceleration component adopts a hollow structure, the cable is threaded on the turntable, the sensor sheet cooperates with the photoelectric switch to achieve high precision of the turntable, the convex edge on the deceleration shaft inside the deceleration component cooperates with the groove on the protective sleeve, so as to realize rapid acceleration and deceleration of the turntable and quick response, and the independent hollow structure is convenient for threading, so as to achieve high precision of the precision turntable and also have multiple functions, thereby improving the working efficiency of the precision turntable.

[0004] When the above device is in use, it can achieve high precision of the turntable by setting up induction sheets, photoelectric switches, deceleration components and motor connectors, and it also has multiple functions. However, when the device is put into use, it is not possible to fix the components on the turntable, and the height of the device cannot be adjusted to adapt to various usage scenarios. Summary of the invention

[0005] In order to solve the problems raised in the above background technology, the present invention provides a high-precision multifunctional precision turntable.

[0006] By setting the cooperation of structures such as the top sleeve, the first screw, and the bottom sleeve, the device can drive the first bevel gear to rotate through the operation of the first motor, thereby driving the second bevel gear to rotate through the rotation of the first bevel gear, and then driving the second screw to rotate. When rotating, the second screw can cooperate with the first screw through its own shape to drive the first screw to rotate inside the bottom sleeve, so as to lift the position of the top support frame. After lifting the position of the entire device, the user can use the device in a variety of environments, thereby improving the functionality of the device. In addition, by setting the cooperation of structures such as the limit groove, the limit block, and the return spring, the user can place the processing on the top of the turntable The object plays a centering role. By arranging four groups of limit grooves, limit blocks and return springs at the top of the turntable, the return spring can squeeze the position of the limit block toward the center of the circle, and by arranging four groups of limit blocks at the same time, they can contact the four corners of the parts to be processed, so that the centering effect can be better. In addition, by arranging the coordination of installation grooves, electromagnets, guide rings and other structures, the user can place the parts on the top of the turntable, and then start the electromagnet to magnetically adsorb the parts to be processed above, and can firmly fix them in the center of the turntable, thereby improving the purpose of users being able to adsorb and fix the materials placed on the turntable when using the device.

[0007] To achieve the above object, the present invention provides the following technical solution: a high-precision multifunctional precision turntable, comprising a bottom plate, a support frame is arranged at the top of the bottom plate, a lifting mechanism is arranged at the top of the support frame, a second motor is fixed at the top of the support frame, and a first fixed arm is installed at the output end of the second motor; The lifting mechanism includes a top sleeve, a first screw and a bottom sleeve, the top sleeve is fixed at the top end inside the support frame, the inner wall of the top sleeve is sleeved with a first screw, the outer wall of the first screw is sleeved with a bottom sleeve, the interior of the bottom plate is rotatably connected with a second screw, a first motor is fixed to the top end of the bottom plate, a first bevel gear is fixed to the output end of the first motor, one end of the first bevel gear is meshedly connected with a second bevel gear, and the second bevel gear is sleeved on the outer wall of the second screw.

[0008] Preferably, one end of the second bevel gear is meshed and connected with the third bevel gear, a connecting rod is fixed to the bottom end of the third bevel gear, a fourth bevel gear is fixed to the bottom end of the connecting rod, one end of the fourth bevel gear is meshed and connected with the fifth bevel gear, and a transmission rod is fixed to the side end of the fifth bevel gear.

[0009] Preferably, the top sleeve is symmetrically distributed about the central axis of the support frame, the outer wall of the first screw is provided with an external thread, the inner wall of the top sleeve is provided with an internal thread, the first screw and the top sleeve form a threaded connection, the outer wall of the first screw is provided with a groove, and the second screw is arranged to be meshed with the bottom sleeve through the groove.

[0010] Preferably, the bottom sleeve is fixed to the top of the bottom plate, the connecting rod is rotatably connected to the inside of the bottom plate, the fifth bevel gear is installed on the side end of the transmission rod, and the fifth bevel gear is symmetrically distributed about the central axis of the transmission rod.

[0011] Preferably, a workbench is fixed to the side wall of the first fixed arm, a third motor is fixedly connected to the inside of the workbench, a connecting shaft is fixed to the top of the third motor, a turntable is fixed to the top of the connecting shaft, a limiting structure is provided at the top of the turntable, and an electromagnetic fixing structure is installed at the top of the turntable.

[0012] Preferably, the limiting structure comprises a limiting groove, a limiting block and a return spring, the limiting groove is arranged at the top of the turntable, the inner wall of the limiting groove is slidably connected to the limiting block, and a return spring is fixed to one end of the limiting block.

[0013] Preferably, four groups of the limiting grooves are provided, and the return spring is used to squeeze the limiting block and keep it moving toward the center of the turntable.

[0014] Preferably, the electromagnetic fixing structure comprises a mounting groove, an electromagnet and a guide ring, the mounting groove is arranged at the top of the turntable, the inner wall of the mounting groove is fixed with the electromagnet, and the top of the electromagnet is provided with a guide ring.

[0015] Preferably, the guide ring is installed on the top of the electromagnet, and the color of the guide ring is different from that of the electromagnet.

[0016] Preferably, a second fixed arm is fixed to the side end of the workbench, a fourth motor is fixed to the top end of the second fixed arm, and the first fixed arm and the second fixed arm are symmetrically distributed about the central axis of the workbench.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention cooperates with structures such as a top sleeve, a first screw, and a bottom sleeve so that the device can drive the first bevel gear to rotate through the operation of the first motor, thereby driving the second bevel gear to rotate through the rotation of the first bevel gear, and then driving the second screw to rotate. When rotating, the second screw can cooperate with the first screw through its own shape to drive the first screw to rotate inside the bottom sleeve, thereby lifting the position of the top support frame. After the position of the entire device is lifted, the user can use the device in a variety of environments, thereby improving the functionality of the device.

[0018] The present invention can center the object to be processed placed on the top of the turntable by the user by arranging limit grooves, limit blocks, return springs and other structures. By arranging four groups of limit grooves, limit blocks and return springs on the top of the turntable, the return springs can squeeze the position of the limit blocks toward the center of the circle, and by arranging four groups of limit blocks at the same time, they can contact the four corners of the part to be processed, thereby achieving a better centering effect.

[0019] The present invention provides a mounting groove, an electromagnet, a guide ring and other structures so that after the user places the component on the top of the turntable, the electromagnet can be activated to magnetically adsorb the processed component above, and the component can be firmly fixed at the center of the turntable, thereby improving the user's ability to adsorb and fix the material placed on the turntable when using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the workbench of the present invention; Figure 3 It is a schematic diagram of the electromagnetic fixing structure of the present invention; Figure 4 It is a schematic diagram of the limiting structure of the present invention; Figure 5 For the present invention Figure 4 A partial cross-section at the center is an enlarged structural diagram; Figure 6 It is a schematic diagram of the internal structure of the bottom plate and the support frame of the present invention; Figure 7 It is a schematic diagram of the lifting mechanism structure of the present invention.

[0021] In the figure: 1, bottom plate; 2, support frame; 3, lifting mechanism; 301, top sleeve; 302, first screw; 303, bottom sleeve; 304, second screw; 305, first motor; 306, first bevel gear; 307, second bevel gear; 308, third bevel gear; 309, connecting rod; 310, fourth bevel gear; 311, fifth bevel gear; 312, transmission rod; 4, second motor; 5, first fixed arm; 6, workbench; 7, third motor; 8, connecting shaft; 9, limiting structure; 901, limiting groove; 902, limiting block; 903, reset spring; 10, electromagnetic fixing structure; 1001, mounting groove; 1002, electromagnet; 1003, guide ring; 11, turntable; 12, second fixed arm; 13, fourth motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] like Figures 1 to 7 As shown, the present invention provides a high-precision multifunctional precision turntable, including a base plate 1, a support frame 2 is arranged at the top of the base plate 1, a lifting mechanism 3 is arranged at the top of the support frame 2, a second motor 4 is fixed to the top of the support frame 2, and a first fixed arm 5 is installed at the output end of the second motor 4.

[0024] The above scheme is adopted: by providing a second motor 4, the second motor 4 can rotate the workbench 6 connected by the first fixed arm 5 when running, and through the mutual cooperation with the fourth motor 13 and the second fixed arm 12, it can ensure that its rotation is sufficiently stable, and the turntable can be rotated about the x-axis, thereby improving the functionality of the device.

[0025] like Figures 1 to 7 As shown, the lifting mechanism 3 includes a top sleeve 301, a first screw rod 302 and a bottom sleeve 303. The top sleeve 301 is fixed to the top end inside the support frame 2. The inner wall of the top sleeve 301 is sleeved with the first screw rod 302, and the outer wall of the first screw rod 302 is sleeved with the bottom sleeve 303. The top sleeve 301 is symmetrically distributed about the central axis of the support frame 2. The outer wall of the first screw rod 302 is provided with an external thread, and the inner wall of the top sleeve 301 is provided with an internal thread. The first screw rod 302 and the top sleeve 301 form a threaded connection. The outer wall of the first screw rod 302 is provided with a groove, and the second screw 304 is arranged to be meshed with the bottom sleeve 303 through the groove.

[0026] like Figures 1 to 7 As shown, the interior of the bottom plate 1 is rotatably connected with the second screw rod 304, the top of the bottom plate 1 is fixed with the first motor 305, the output end of the first motor 305 is fixed with the first bevel gear 306, one end of the first bevel gear 306 is meshedly connected with the second bevel gear 307, the second bevel gear 307 is sleeved on the outer wall of the second screw rod 304, one end of the second bevel gear 307 is meshedly connected with the third bevel gear 308, the bottom end of the third bevel gear 308 is fixed with a connecting rod 309, the bottom end of the connecting rod 309 is fixed with a fourth bevel gear 310, one end of the fourth bevel gear 310 is meshedly connected with the fifth bevel gear 311, the side end of the fifth bevel gear 311 is fixed with a transmission rod 312, the bottom sleeve 303 is fixed at the top of the bottom plate 1, the connecting rod 309 is rotatably connected to the inside of the bottom plate 1, the fifth bevel gear 311 is installed on the side end of the transmission rod 312, and the fifth bevel gear 311 is symmetrically distributed about the central axis of the transmission rod 312.

[0027] The above scheme is adopted: the operation of the first motor 305 drives the first bevel gear 306 to rotate, and the rotation of the first bevel gear 306 drives the second bevel gear 307 to rotate, and then drives the second screw 304 to rotate. When the second screw 304 rotates, it can cooperate with the first screw 302 through its own shape, thereby driving the first screw 302 to rotate inside the bottom sleeve 303. Since the thread arranged on the surface of the first screw 302 is threadedly connected with the inside of the bottom sleeve 303, it can cooperate with the bottom sleeve 303 when rotating, so as to lift its own position through the thread, and then can lift the position of the top support frame 2. When the second screw 304 rotates, the second bevel gear 307 and the third bevel gear 308 are also arranged to be meshed and connected, so that the second bevel gear When 307 rotates, it can drive the connecting rod 309 to rotate through the third bevel gear 308. Since the fourth bevel gear 310 is fixed at the bottom end of the connecting rod 309, the fourth bevel gear 310 can also be driven to rotate when the connecting rod 309 rotates. Since the fourth bevel gear 310 and the fifth bevel gear 311 are meshing designs, it can be ensured that the fourth bevel gear 310 drives the fifth bevel gear 311 to rotate when it rotates, and then the rotation of the fifth bevel gear 311 drives the transmission rod 312 to rotate, thereby driving the same parts on the right end of the device to perform corresponding movements, and then the overall height of the device can be lifted when only one motor is used, which saves energy while ensuring that it can be lifted and lowered normally, thereby meeting the use of the device in different scenarios.

[0028] like Figures 1 to 7 As shown, a workbench 6 is fixed to the side wall of the first fixed arm 5, a third motor 7 is fixedly connected to the inside of the workbench 6, a connecting shaft 8 is fixed to the top of the third motor 7, a turntable 11 is fixed to the top of the connecting shaft 8, a limiting structure 9 is provided at the top of the turntable 11, an electromagnetic fixing structure 10 is installed at the top of the turntable 11, a second fixed arm 12 is fixed to the side end of the workbench 6, a fourth motor 13 is fixed to the top of the second fixed arm 12, and the first fixed arm 5 and the second fixed arm 12 are symmetrically distributed about the central axis of the workbench 6.

[0029] By adopting the above scheme: the third motor 7 can drive the connecting shaft 8 to rotate, and then the connecting shaft 8 can drive the turntable 11 to rotate, so that the objects placed on the turntable 11 and the components installed on the turntable 11 can rotate along with the rotation of the turntable 11, and through the mutual cooperation of the second motor 4, the first fixed arm 5 and the fourth motor 13 and the second fixed arm 12, it can be ensured that the rotation of the workbench 6 is sufficiently stable, and it can be rotated about the x-axis, thereby improving the functionality of the device.

[0030] like Figures 1 to 7As shown, the limiting structure 9 includes a limiting groove 901, a limiting block 902 and a reset spring 903. The limiting groove 901 is opened at the top of the turntable 11. The inner wall of the limiting groove 901 is slidably connected to the limiting block 902. A reset spring 903 is fixed to one end of the limiting block 902. The limiting groove 901 is opened with four groups. The reset spring 903 is used to squeeze the limiting block 902 and keep it moving toward the center of the turntable 11.

[0031] The above scheme is adopted: by slidingly connecting the limit block 902 inside the limit groove 901, and the return spring 903 can squeeze the limit block 902 toward the center of the turntable 11, it can play a centering role for the processing object placed by the user on the top of the turntable 11, and by arranging four groups of limit grooves 901, limit blocks 902, and return springs 903 at the top of the turntable 11, the return spring 903 can squeeze the position of the limit block 902 toward the center of the circle, and by arranging four groups of limit blocks 902 at the same time, they can contact the four corners of the processing parts, so that the centering effect can be better.

[0032] like Figures 1 to 7 As shown, the electromagnetic fixing structure 10 includes a mounting groove 1001, an electromagnet 1002 and a guide ring 1003. The mounting groove 1001 is opened at the top of the turntable 11. The electromagnet 1002 is fixed to the inner wall of the mounting groove 1001. The top of the electromagnet 1002 is provided with a guide ring 1003. The guide ring 1003 is installed at the top of the electromagnet 1002. The color of the guide ring 1003 is different from that of the electromagnet 1002.

[0033] The above scheme is adopted: by providing an electromagnet 1002, the user can place the component inside the installation groove 1001 set at the top of the turntable 11, and then start the electromagnet 1002 to drive the magnetic adsorption of the processed component above, and can firmly fix it at the center of the turntable 11. The user can judge the approximate position of the center point of the turntable 11 by the color of the guide ring 1003, and then place the part, thereby improving the user's ability to adsorb and fix the material placed on the turntable 11 when using the device.

[0034] The working principle and use process of the present invention are as follows: by providing a second motor 4, the second motor 4 can rotate the workbench 6 connected by the first fixed arm 5 when running, and by cooperating with the fourth motor 13 and the second fixed arm 12, it can ensure that its rotation is sufficiently stable, and the turntable can be rotated about the x-axis, thereby improving the functionality of the device, and the first bevel gear 306 is driven to rotate by the operation of the first motor 305, thereby driving the second bevel gear 307 to rotate by the rotation of the first bevel gear 306, and then driving the second screw 304 to rotate, and when rotating, the second screw 304 can cooperate with the first screw 302 through its own shape, thereby driving the first screw 302 to rotate inside the bottom sleeve 303, and since the thread arranged on the surface of the first screw 302 is threadedly connected to the inside of the bottom sleeve 303, it can cooperate with the bottom sleeve 303 when rotating, thereby lifting its own position through the thread, In this way, the position of the top support frame 2 can be lifted, and when the second screw rod 304 rotates, the second bevel gear 307 and the third bevel gear 308 are also arranged to be meshed and connected, so that the second bevel gear 307 can drive the connecting rod 309 to rotate through the third bevel gear 308 when it rotates. Since the fourth bevel gear 310 is fixed to the bottom end of the connecting rod 309, the fourth bevel gear 310 can also be driven to rotate when the connecting rod 309 rotates. Since the fourth bevel gear 310 and the fifth bevel gear 311 are meshed designs, it can be ensured that the fourth bevel gear 310 drives the fifth bevel gear 311 to rotate when it rotates, and then the rotation of the fifth bevel gear 311 drives the transmission rod 312 to rotate, thereby driving the same parts at the right end of the device to perform corresponding movements, so that the overall height of the device can be lifted when using one motor, while saving energy and ensuring that it can be lifted and lowered normally.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision multifunctional precision turntable, comprising a base plate (1), characterized in that: A support frame (2) is arranged at the top of the base plate (1), a lifting mechanism (3) is arranged at the top of the interior of the support frame (2), a second motor (4) is fixed at the top of the support frame (2), and a first fixed arm (5) is installed at the output end of the second motor (4); The lifting mechanism (3) comprises a top sleeve (301), a first screw rod (302) and a bottom sleeve (303); the top sleeve (301) is fixed to the top end of the support frame (2); the inner wall of the top sleeve (301) is sleeved with the first screw rod (302); the outer wall of the first screw rod (302) is sleeved with the bottom sleeve (303); the interior of the bottom plate (1) is rotatably connected to the second screw rod (304); the top end of the bottom plate (1) is fixed with a first motor (305); the output end of the first motor (305) is fixed with a first bevel gear (306); one end of the first bevel gear (306) is meshingly connected with a second bevel gear (307); the second bevel gear (307) is sleeved on the outer wall of the second screw rod (304).

2. The high-precision multifunctional precision turntable according to claim 1, characterized in that: One end of the second bevel gear (307) is meshedly connected to the third bevel gear (308), a connecting rod (309) is fixed to the bottom end of the third bevel gear (308), a fourth bevel gear (310) is fixed to the bottom end of the connecting rod (309), one end of the fourth bevel gear (310) is meshedly connected to the fifth bevel gear (311), and a transmission rod (312) is fixed to the side end of the fifth bevel gear (311).

3. The high-precision multifunctional precision turntable according to claim 1, characterized in that: The top sleeve (301) is symmetrically distributed about the central axis of the support frame (2); the outer wall of the first screw rod (302) is provided with an external thread; the inner wall of the top sleeve (301) is provided with an internal thread; the first screw rod (302) and the top sleeve (301) are threadedly connected; the outer wall of the first screw rod (302) is provided with a groove; and the second screw rod (304) is meshedly connected with the bottom sleeve (303) via the groove.

4. The high-precision multifunctional precision turntable according to claim 2, characterized in that: The bottom sleeve (303) is fixed to the top end of the bottom plate (1), the connecting rod (309) is rotatably connected to the inside of the bottom plate (1), the fifth bevel gear (311) is mounted on the side end of the transmission rod (312), and the fifth bevel gear (311) is symmetrically distributed about the central axis of the transmission rod (312).

5. The high-precision multifunctional precision turntable according to claim 1 is characterized in that: A workbench (6) is fixed to the side wall of the first fixed arm (5), a third motor (7) is fixedly connected to the interior of the workbench (6), a connecting shaft (8) is fixed to the top end of the third motor (7), a rotating disk (11) is fixed to the top end of the connecting shaft (8), a limiting structure (9) is provided at the top end of the rotating disk (11), and an electromagnetic fixing structure (10) is installed at the top end of the rotating disk (11).

6. The high-precision multifunctional precision turntable according to claim 5, characterized in that: The limiting structure (9) comprises a limiting groove (901), a limiting block (902) and a return spring (903); the limiting groove (901) is arranged at the top end of the rotating disk (11); the inner wall of the limiting groove (901) is slidably connected to the limiting block (902); and the return spring (903) is fixed to one end of the limiting block (902).

7. The high-precision multifunctional precision turntable according to claim 6, characterized in that: The limiting grooves (901) are provided with four groups, and the return spring (903) is used to squeeze the limiting block (902) and keep it moving towards the center of the rotating disk (11).

8. The high-precision multifunctional precision turntable according to claim 5, characterized in that: The electromagnetic fixing structure (10) comprises a mounting groove (1001), an electromagnet (1002) and a guide ring (1003); the mounting groove (1001) is provided at the top of the turntable (11); the electromagnet (1002) is fixed to the inner wall of the mounting groove (1001); and the guide ring (1003) is provided at the top of the electromagnet (1002).

9. The high-precision multifunctional precision turntable according to claim 8, characterized in that: The guide ring (1003) is installed on the top of the electromagnet (1002), and the color of the guide ring (1003) is different from that of the electromagnet (1002).

10. The high-precision multifunctional precision turntable according to claim 5, characterized in that: A second fixed arm (12) is fixed to the side end of the workbench (6), a fourth motor (13) is fixed to the top end of the second fixed arm (12), and the first fixed arm (5) and the second fixed arm (12) are symmetrically distributed about the central axis of the workbench (6).

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