CN220416056U - High-precision turntable braking structure - Google Patents
High-precision turntable braking structure Download PDFInfo
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- CN220416056U CN220416056U CN202321623115.7U CN202321623115U CN220416056U CN 220416056 U CN220416056 U CN 220416056U CN 202321623115 U CN202321623115 U CN 202321623115U CN 220416056 U CN220416056 U CN 220416056U
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- 238000009423 ventilation Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision rotary table braking structure, which belongs to the technical field of high-precision rotary tables and comprises an operation table, wherein a rotary table body is arranged at the top of the operation table, tooth blocks are fixedly connected around the bottom of the rotary table body, a protection box is arranged on one side, far away from the rotary table body, of the operation table, an inner cavity of the protection box is provided with an adjusting mechanism, a first gear is connected with the surface of the adjusting mechanism in a meshed manner, a positive and negative threaded rod is fixedly inserted into the center of the first gear, a moving structure is connected with the surface of the positive and negative threaded rod in a meshed manner, bearings are arranged at two ends of the positive and negative threaded rod, the bearings are fixedly connected with the side wall of the inner cavity of the protection box, baffles are fixedly connected with the two sides, close to the operation table, of the side wall of the protection box, failure phenomenon caused by the long-time braking structure is reduced, the service life of the braking structure is prolonged through the arrangement of the protection box, and the influence of the environment on the braking structure is reduced.
Description
Technical Field
The utility model relates to the technical field of high-precision rotary tables, in particular to a high-precision rotary table braking structure.
Background
With the development of industrial automation, many applications now require increasingly high precision, whether rotary or linear. The rotary motion is more used at present is a high-precision turntable, and in order to ensure that the high-precision turntable is safe and reliable to use and easy and convenient to operate, and prevent improper operation and other accidents due to overlarge load, the high-precision turntable is provided with a braking structure.
The traditional braking structure brakes through drum brake or disc brake, and the braking effect is slow to be influenced to high accuracy revolving stage precision, excessively relies on elastic structure, and the phenomenon of failure card is dead appears easily for a long time of use, makes consequently we need to propose a high accuracy revolving stage braking structure.
Disclosure of Invention
The utility model aims to provide a high-precision turntable braking structure, a motor drives a second gear to rotate, the second gear generates driving force to drive a first gear to rotate, a movable plate rotates on a positive and negative threaded rod, the movable plate increases the smoothness of left and right movement of the movable plate in a protection box through the arrangement of a sliding component, the phenomenon that equipment is aged and stuck is reduced, a braking structure is driven by the movable plate to brake a turntable, an arc-shaped friction block can increase the friction force on a turntable body, then the friction block is matched and connected with notches arranged at the bottom of the friction block through tooth blocks arranged at the periphery of the bottom of the turntable body, the quick braking of the turntable body is realized, the failure phenomenon of the braking structure due to the fact that the braking time is too long is reduced, the service life of the braking structure is prolonged through the arrangement of a protection box, and the influence of the environment on the braking structure is reduced, so that the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high accuracy revolving stage braking structure, includes the operation panel, the revolving stage body is installed at the top of operation panel, fixedly connected with tooth piece around the revolving stage body bottom, the protection case is installed to one side that the revolving stage body was kept away from to the operation panel, the inner chamber of protection case is provided with adjustment mechanism, adjustment mechanism's surface engagement is connected with first gear, the center department grafting of first gear is fixed with positive and negative threaded rod, positive and negative threaded rod's surface engagement is connected with the movable structure, positive and negative threaded rod's both ends all are provided with the bearing, bearing fixedly connected with is at the lateral wall of protection case inner chamber, the both sides that the protection case lateral wall is close to the operation panel fixedly connected with baffle.
Preferably, the adjusting mechanism comprises a motor, the bottom of the motor is fixedly connected with the inner cavity of the protection box, an output shaft of the motor is fixedly connected with a second gear, and the surface of the second gear is meshed with the first gear.
Preferably, the movable structure comprises a thread sleeve, the thread sleeve is positioned at two ends of the positive and negative threaded rod and is in threaded connection with the positive and negative threaded rod, a movable plate is fixedly connected with the surface of the thread sleeve, sliding components are mounted on two sides of the movable plate, the top of the movable plate penetrates through the protection box and extends to the outside of the protection box, and a brake component is fixedly connected with the top of the protection box.
Preferably, the sliding assembly comprises a sliding block, the sliding block is fixedly connected to the side wall of the moving plate, a sliding groove is formed in the position, corresponding to the inner cavity of the protection box, of the sliding block, and the sliding block is in sliding connection with the inner cavity of the sliding groove.
Preferably, the brake assembly comprises a fixed column, the bottom of the fixed column is fixedly connected with the movable plate, and the top of the fixed column is fixedly connected with a friction block.
Preferably, the friction block is in an arc-shaped arrangement, a notch is formed in the position, corresponding to the tooth block, of the bottom of the friction block, and the tooth block is connected with the inner cavity of the notch in a matched mode.
Preferably, ventilation openings are formed in two sides of the protection box, through grooves are formed in the position, penetrated by the movable plate, of the protection box, and the surface of the movable plate (82) is in sliding connection with the inner cavity of the through grooves of the protection box (4).
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the high-precision rotary table braking structure, through the arrangement of the adjusting mechanism, the speed of the adjusting mechanism for driving the braking assembly to move the rotary table body is realized, so that the rotary table body is better suitable for the environment required by work, through the sliding of the sliding block and the sliding chute, the position limitation of the moving plate is realized, the smoothness of the moving plate when moving on the positive and negative threaded rods is improved, the blocking phenomenon of the braking structure occurring for a long time is reduced, and the working efficiency of the braking structure is improved;
2. through the design of cambered surface friction block, realize the friction surface increase of friction block and revolving stage body, be connected through the notch cooperation of tooth piece and friction block bottom afterwards, realize the quick braking to the revolving stage body, reduce the damage to the revolving stage body, protect braking structure through the guard box, prolong braking structure's life, through the vent that the guard box lateral wall set up, realize the heat dissipation to the motor during operation, reduce braking structure and use the failure phenomenon that appears for a long time.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the overall side cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of the structure of the adjusting mechanism and the moving structure of the present utility model;
fig. 4 is a schematic view of the structure of the brake assembly and turret body of the present utility model.
In the figure: 1. an operation table; 2. a turntable body; 3. tooth blocks; 4. a protection box; 5. an adjusting mechanism; 51. a motor; 52. a second gear; 6. a first gear; 7. a positive and negative threaded rod; 8. a moving structure; 81. a thread sleeve; 82. a moving plate; 83. a sliding assembly; 831. a slide block; 832. a chute; 84. a brake assembly; 841. fixing the column; 842. a friction block; 9. a bearing; 10. and a baffle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a high accuracy revolving stage braking structure, including operation panel 1, revolving stage body 2 is installed at the top of operation panel 1, fixedly connected with tooth piece 3 around the revolving stage body 2 bottom, the protection case 4 is installed to one side that the revolving stage body 2 was kept away from to operation panel 1, the inner chamber of protection case 4 is provided with adjustment mechanism 5, the surface engagement of adjustment mechanism 5 is connected with first gear 6, the center department grafting of first gear 6 is fixed with positive and negative threaded rod 7, the surface engagement of positive and negative threaded rod 7 is connected with moving structure 8, the both ends of positive and negative threaded rod 7 all are provided with bearing 9, bearing 9 fixed connection is at the lateral wall in protection case 4 inner chamber, the both sides fixedly connected with baffle 10 that the lateral wall of protection case 4 is close to operation panel 1, protect the life of extension braking structure through the protection case 4, reduce because environmental factor causes the influence to braking structure, drive first gear 6 rotations through adjustment mechanism 5 production drive, realize that first gear 6 rotations drive positive and negative threaded rod 7 moves through positive and negative threaded rod 7, drive moving structure 8, realize braking revolving stage body 2.
The adjusting mechanism 5 comprises a motor 51, the bottom of the motor 51 is fixedly connected with the inner cavity of the protection box 4, an output shaft of the motor 51 is fixedly connected with a second gear 52, the surface of the second gear 52 is meshed with the first gear 6, the second gear 52 is driven to rotate by driving force generated by the motor 51, and the first gear 6 starts to rotate because the surface of the second gear 52 is meshed with the first gear 6.
The movable structure 8 comprises a thread sleeve 81, the thread sleeve 81 is positioned at two ends of the positive and negative threaded rod 7 and is in threaded connection with the positive and negative threaded rod 7, a movable plate 82 is fixedly connected with the surface of the thread sleeve 81, sliding components 83 are arranged on two sides of the movable plate 82, the top of the movable plate 82 penetrates through the protection box 4 and extends to the outside of the protection box 4, a brake component 84 is fixedly connected with the top of the protection box 4, the thread sleeve 81 can be driven to move by the positive and negative threaded rod 7 through the arrangement of the thread sleeve 81, the fact that the thread sleeve 81 generates driving force to drive the movable plate 82 to move so that the brake component 84 starts to move, and the smoothness of the movable plate 82 during movement is increased through the arrangement of the sliding components 83.
The sliding component 83 comprises a sliding block 831, the sliding block 831 is fixedly connected to the side wall of the moving plate 82, a sliding groove 832 is formed in the position, corresponding to the inner cavity of the protection box 4, of the sliding block 831, the sliding connection between the sliding block 831 and the inner cavity of the sliding groove 832 limits the rotation of the moving plate 82 through the arrangement of the sliding block 831 and the sliding groove 832, so that the moving plate 82 can only move up and down on the surface of the positive and negative threaded rod 7 through the threaded sleeve 81, meanwhile, the sliding connection between the sliding block 831 and the inner cavity of the sliding groove 832 increases the smoothness of the moving plate 82 during moving, and the blocking phenomenon occurring in long service time is reduced.
The brake assembly 84 includes a fixed column 841, the bottom of the fixed column 841 is fixedly connected with a moving plate 82, the top of the fixed column 841 is fixedly connected with a friction block 842, and the distance between the friction block 842 and the turntable body 2 is adjusted by the distance between the moving plate 82 and the second gear 52, so that the friction block 842 realizes a braking effect on the turntable body 2.
Friction block 842 is the arc setting, and the notch has been seted up to the bottom of friction block 842 and the corresponding position of tooth piece 3, and tooth piece 3 is connected with the inner chamber cooperation of notch, through the design of cambered surface friction block 842, realizes friction block 842 and the friction face increase of revolving stage body 2, and then through the notch cooperation of tooth piece 3 and friction block 842 bottom, realizes the quick braking to revolving stage body 2, reduces the damage to revolving stage body 2.
The vent has been seted up to the both sides of guard box 4, and guard box 4 has been seted up logical groove by the setting of movable plate 82 penetration department, and the inner chamber sliding connection of movable plate 82 and guard box 4 logical groove realizes the heat dissipation to the motor 51 during operation through the vent that guard box 4 lateral wall set up, reduces the failure phenomenon that braking structure used for a long time to appear, makes movable plate 82 can remove inside guard box 4 through the setting of guard box 4 logical groove.
When the turntable is specifically used, the turntable body 2 is rotated through the workbench, the motor 51 is started, the motor 51 generates driving force to drive the second gear 52 to rotate, the second gear 52 is meshed with the first gear 6 to be connected, so that the second gear 52 drives the first gear 6 to rotate, the front and back threaded rod 7 at the center of the first gear 6 starts to rotate to drive the threaded sleeve 81 to rotate, the sliding block 831 on the side wall of the movable plate 82 limits the rotation of the movable plate 82, the threaded sleeve 81 only drives the movable plate 82 to move on the front and back threaded rod 7, the braking of the turntable body 2 by the braking component 84 is realized through adjusting the distance between the movable plate 82 and the second gear 52, the friction surface between the friction block 842 and the turntable body 2 is increased through the design of the cambered surface friction block 842, the quick braking of the turntable body 2 is realized through the matched connection of the notch at the bottom of the tooth block 3 and the friction block 842, the damage to the turntable body 2 is reduced, the protection of the braking structure is protected through the protection of the protection box 4, the service life of the braking structure is prolonged, the ventilation opening arranged on the side wall of the protection box 4 is realized, the phenomenon that the motor 51 works is reduced, and the phenomenon that the braking structure is used and the heat dissipation phenomenon appears is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high accuracy revolving stage braking structure, includes operation panel (1), its characterized in that: the rotary table is characterized in that the rotary table body (2) is arranged at the top of the operating table (1), the toothed blocks (3) are fixedly connected around the bottom of the rotary table body (2), the protecting box (4) is arranged on one side, far away from the rotary table body (2), of the operating table (1), the adjusting mechanism (5) is arranged in an inner cavity of the protecting box (4), a first gear (6) is connected with the surface of the adjusting mechanism (5) in a meshed mode, a positive and negative threaded rod (7) is fixedly inserted into the center of the first gear (6), a moving structure (8) is connected with the surface of the positive and negative threaded rod (7) in a meshed mode, bearings (9) are arranged at two ends of the positive and negative threaded rod (7), the bearings (9) are fixedly connected to the side walls of the inner cavity of the protecting box (4), and baffle plates (10) are fixedly connected to two sides, close to the side walls of the protecting box (4) to the operating table (1).
2. A high precision turret brake structure according to claim 1, wherein: the adjusting mechanism (5) comprises a motor (51), the bottom of the motor (51) is fixedly connected with the inner cavity of the protection box (4), the output shaft of the motor (51) is fixedly connected with a second gear (52), and the surface of the second gear (52) is meshed with the first gear (6).
3. A high precision turret brake structure according to claim 1, wherein: the movable structure (8) comprises a thread sleeve (81), the thread sleeve (81) is located at two ends of a positive and negative threaded rod (7) and is in threaded connection with the positive and negative threaded rod (7), a movable plate (82) is fixedly connected to the surface of the thread sleeve (81), sliding components (83) are mounted on two sides of the movable plate (82), the top of the movable plate (82) penetrates through the protection box (4) and extends to the outside of the protection box (4), and a brake component (84) is fixedly connected to the top of the protection box (4).
4. A high precision turret brake structure according to claim 3, wherein: the sliding assembly (83) comprises a sliding block (831), the sliding block (831) is fixedly connected to the side wall of the movable plate (82), a sliding groove (832) is formed in the position, corresponding to the inner cavity of the protection box (4), of the sliding block (831), and the sliding block (831) is slidably connected with the inner cavity of the sliding groove (832).
5. A high precision turret brake structure according to claim 3, wherein: the brake assembly (84) comprises a fixed column (841), the bottom of the fixed column (841) is fixedly connected with a movable plate (82), and the top of the fixed column (841) is fixedly connected with a friction block (842).
6. A high precision turret brake structure according to claim 5, wherein: the friction block (842) is in an arc-shaped arrangement, a notch is formed in the position, corresponding to the tooth block (3), of the bottom of the friction block (842), and the tooth block (3) is connected with the inner cavity of the notch in a matched mode.
7. A high precision turret brake structure according to claim 1, wherein: the two sides of the protection box (4) are provided with ventilation openings, the penetration part of the protection box (4) by the movable plate (82) is provided with a through groove, and the surface of the movable plate (82) is in sliding connection with the inner cavity of the through groove of the protection box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623115.7U CN220416056U (en) | 2023-06-26 | 2023-06-26 | High-precision turntable braking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623115.7U CN220416056U (en) | 2023-06-26 | 2023-06-26 | High-precision turntable braking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220416056U true CN220416056U (en) | 2024-01-30 |
Family
ID=89657543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321623115.7U Active CN220416056U (en) | 2023-06-26 | 2023-06-26 | High-precision turntable braking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220416056U (en) |
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2023
- 2023-06-26 CN CN202321623115.7U patent/CN220416056U/en active Active
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