CN219275108U

CN219275108U - Precise turntable positioning mechanism

Info

Publication number: CN219275108U
Application number: CN202320206743.9U
Authority: CN
Inventors: 曲兴胜
Original assignee: Changchun Jiuxinquan Technology Co ltd
Current assignee: Changchun Jiuxinquan Technology Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-30
Anticipated expiration: 2033-02-14

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a positioning mechanism of a precision turntable, which comprises a shell, wherein a hemispherical block is fixedly connected to the bottom of a push rod, a trigger plate is fixedly connected to one side of the slider, a pressure sensor is fixedly connected to the top of a pressure spring, a bump is fixedly connected to the lower part of the inside of the shell, a first bolt is connected to the inner wall of a mounting plate, a second bolt is connected to the inner wall of a threaded hole, and a workbench is connected to the outer wall of the second bolt. According to the utility model, the pressure from the bump can be transmitted to the pressure sensor by arranging the induction mechanism, the pressure sensor converts the pressure signal into the electric signal and transmits the electric signal to the server for analysis and positioning, so that the positioning performance of the device is more stable and accurate, the manufacturing cost is greatly low, and the device can be more easily disassembled by arranging the second bolt, the first bolt and the mounting plate, and the replacement or maintenance of the internally damaged structure is facilitated.

Description

Precise turntable positioning mechanism

Technical Field

The utility model relates to the technical field of machining, in particular to a positioning mechanism of a precise turntable.

Background

The prior art has the following problems:

the precise turntable is introduced to use a special servo system to meet parameter requirements, and the system can well solve the problems of angle range, angular acceleration, speed, positioning precision and repeated positioning precision. The servo system has the characteristics of quick response, large moment, good acceleration effect, super-accurate positioning and the like, and has obvious advantages, in particular to positioning accuracy, compared with the traditional stepping motor system and servo motor system for positioning.

The positioning mechanism of the existing precise turntable mainly performs feedback positioning through detecting the air tightness in the part, and has the beneficial effect of positioning accuracy, but the positioning mechanism not only needs to consider the accuracy but also optimizes the tightness of the detection position of the device during the installation of equipment, so that the performance is not stable enough, the manufacturing cost is high, the installation steps are complex, the installation steps are not easy to detach, and the improvement on the existing device is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a precise turntable positioning mechanism, which solves the existing problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a precision turntable positioning mechanism, includes the casing, the lower part of casing is provided with the base, the inside of base is provided with power device, the upper portion fixedly connected with axis of rotation of power device, the top of axis of rotation is connected with the rolling disc, one side fixedly connected with fixture block of rolling disc, one side fixedly connected with induction system of rolling disc lower surface, the opposite side fixedly connected with briquetting of rolling disc lower surface, the inside lower extreme fixedly connected with limiting plate of induction system, the inside of limiting plate is provided with the spacing groove, the inner wall connection of spacing groove has the ejector pin, the top fixedly connected with kicking block of ejector pin, the bottom fixedly connected with hemisphere piece of ejector pin, the inside upper end of induction system is provided with the spout, the inner wall connection of spout has the slider, one side fixedly connected with trigger plate of slider, the upper surface fixedly connected with pressure spring of trigger plate, the top fixedly connected with pressure sensor of pressure spring, the inside lower part fixedly connected with lug of casing, the upper portion of casing is provided with the mounting panel, the inner wall connection has the ejector pin, the top of mounting panel has the ejector pin, the top of first screw bolt connection, the upper portion of ejector pin is provided with screw hole.

As the preferable technical scheme of the utility model, the number of the second bolts is four, the internal lines of the threaded holes are matched with the lines of the second bolts, and the second bolts are in threaded connection with the rotating disc through the threaded holes.

As a preferable technical scheme of the utility model, the weight of the pressing block is the same as that of the sensing mechanism.

As a preferred technical scheme of the utility model, the sliding block is matched with the sliding groove in size, and the trigger plate is in sliding connection with the sliding groove through the sliding block.

As the preferable technical scheme of the utility model, the sensing mechanism mainly comprises a pressure sensor, a pressure spring, a trigger plate, a jacking block and a jacking rod.

As the preferable technical scheme of the utility model, three pressure springs are arranged on the lower surface of the pressure sensor, and the trigger plate is movably connected with the pressure sensor through the pressure springs.

As the preferable technical scheme of the utility model, the size of the top block is slightly larger than that of the limit groove, and the top block is clamped with the limit plate through the limit groove.

As a preferable technical scheme of the utility model, compared with the prior art, the utility model provides a precise turntable positioning mechanism, which has the following beneficial effects:

1. this precision turntable positioning mechanism through setting up lug, hemisphere piece, trigger plate and pressure sensor, can be from the pressure conduction of lug department to pressure sensor on, pressure sensor converts the pressure signal into the signal of telecommunication again and conveys the server and carry out analysis location, can make device locate performance more stable, and the cost of manufacture is low by a wide margin.

2. This accurate revolving stage positioning mechanism through setting up second bolt, first bolt and mounting panel, can make the device dismantle more easily, conveniently changes or maintains the structure of inside damage.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the sensing mechanism of the present utility model;

FIG. 3 is a schematic perspective view of a rotary disk according to the present utility model;

fig. 4 is a schematic top view of the present utility model.

In the figure: 1. a housing; 2. a base; 3. a power device; 4. a rotating shaft; 5. a bump; 6. a rotating disc; 7. a threaded hole; 8. a clamping block; 9. an induction mechanism; 10. a limiting plate; 11. a push rod; 12. a top block; 13. a chute; 14. a slide block; 15. a trigger plate; 16. a pressure spring; 17. a pressure sensor; 18. a limit groove; 19. hemispherical blocks; 20. briquetting; 21. a mounting plate; 22. a first bolt; 23. a work table; 24. and a second bolt.

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 to 4, in the present embodiment: the utility model provides a precision turntable positioning mechanism, which comprises a housin 1, the lower part of casing 1 is provided with base 2, the inside of base 2 is provided with power device 3, the upper portion fixedly connected with axis of rotation 4 of power device 3, the top of axis of rotation 4 is connected with rolling disc 6, one side fixedly connected with fixture block 8 of rolling disc 6, one side fixedly connected with sensing mechanism 9 of rolling disc 6 lower surface, the opposite side fixedly connected with briquetting 20 of rolling disc 6 lower surface, the inside lower extreme fixedly connected with limiting plate 10 of sensing mechanism 9, the inside of limiting plate 10 is provided with spacing groove 18, the inner wall of spacing groove 18 is connected with ejector pin 11, the top fixedly connected with kicking block 12 of ejector pin 11, the bottom fixedly connected with hemisphere piece 19 of ejector pin 11, the inside upper end of sensing mechanism 9 is provided with spout 13, the inner wall connection of spout 13 has slider 14, one side fixedly connected with trigger plate 15 of slider 14, the upper surface fixedly connected with pressure spring 16 of trigger plate 15, the top fixedly connected with pressure sensor 17 of pressure spring 16, the inside lower part fixedly connected with lug 5 of casing 1, the upper portion of casing 1 is provided with 21, the inner wall connection of mounting panel 21 has a kicking block 12, the inside of top fixedly connected with first 7 of ejector pin 24, the upper portion of ejector pin 7 is provided with screw hole 24, the second screw hole 24 is connected with the screw hole 24.

In the embodiment, the number of the second bolts 24 is four, the internal lines of the threaded holes 7 are matched with the lines of the second bolts 24, the second bolts 24 are in threaded connection with the rotating disc 6 through the threaded holes 7, and the dismounting and mounting of the device can be simpler and faster through the arrangement; the weight of the pressing block 20 is the same as that of the sensing mechanism 9, and by the arrangement, the gravity center of the lower surface of the rotating disc 6 can be stabilized, so that the rotating disc 6 is prevented from tilting; the sliding block 14 is matched with the sliding groove 13 in size, the trigger plate 15 is in sliding connection with the sliding groove 13 through the sliding block 14, and through the arrangement, the moving track of the trigger plate 15 can be limited, and positioning errors caused by deviation of the trigger plate 15 from the track can be avoided; the sensing mechanism 9 mainly comprises a pressure sensor 17, a pressure spring 16, a trigger plate 15, a jacking block 12 and a jacking rod 11, and through the arrangement, the pressure transmitted from the bottom can be converted into an electric signal; the three pressure springs 16 on the lower surface of the pressure sensor 17 are arranged, the trigger plate 15 is movably connected with the pressure sensor 17 through the pressure springs 16, a certain buffering effect can be achieved through the arrangement of the pressure springs 16, and the condition that the lower surface of the pressure sensor 17 is damaged due to excessive movement of the trigger plate 15 can be effectively avoided; the size of the ejector block 12 is slightly larger than the limit groove 18, and the ejector block 12 is clamped with the limit plate 10 through the limit groove 18, so that the ejector rod 11 and the ejector block 12 can be hung on the sensing mechanism 9 all the time when the ejector rod 11 and the ejector block 12 do not collide with the bump 5.

In this embodiment, the working principle and the use flow of the present utility model are as follows: the operator starts the power device 3 to drive the rotation shaft 4 to rotate at first, the rotation disc 6 and the workbench 23 can rotate along with the rotation shaft, when the hemispherical block 19 is jacked into the sensing mechanism 9 by the convex block 5, the ejector rod 11 can drive the ejector block 12 to move upwards and jack the trigger plate 15 and the pressure spring 16 arranged on the trigger plate, a pressure signal is given to the pressure sensor 17, and analysis and positioning work is carried out under the cooperation of a background terminal.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a precision turntable positioning mechanism, includes casing (1), its characterized in that: the lower part of casing (1) is provided with base (2), the inside of base (2) is provided with power device (3), the upper portion fixedly connected with axis of rotation (4) of power device (3), the top of axis of rotation (4) is connected with rolling disc (6), one side fixedly connected with fixture block (8) of rolling disc (6), one side fixedly connected with induction mechanism (9) of rolling disc (6) lower surface, the opposite side fixedly connected with briquetting (20) of rolling disc (6) lower surface, the inside lower extreme fixedly connected with limiting plate (10) of induction mechanism (9), the inside of limiting plate (10) is provided with spacing groove (18), the inner wall of limiting groove (18) is connected with ejector pin (11), the top fixedly connected with kicking block (12) of ejector pin (11), the bottom fixedly connected with hemisphere piece (19) of ejector pin (11), the inside upper end of induction mechanism (9) is provided with spout (13), the inner wall connection of spout (13) has slider (14), the inside lower extreme fixedly connected with limiting plate (10), the inside of limiting plate (10) is provided with pressure sensor (16) of pressure sensor (16) fixedly connected with pressure spring (16), the utility model discloses a rotary table, including casing (1), mounting panel, screw hole (7), screw hole (24), workstation (23) are connected with, lower part fixedly connected with lug (5) inside casing (1), the upper portion of casing (1) is provided with mounting panel (21), the inner wall of mounting panel (21) is connected with first bolt (22), the upper portion of rolling disc (6) is provided with screw hole (7), the inner wall of screw hole (7) is connected with second bolt (24), the outer wall of second bolt (24) is connected with workstation (23).

2. The precision turret positioning mechanism of claim 1, wherein: the second bolts (24) are provided with four, the internal lines of the threaded holes (7) are matched with the lines of the second bolts (24), and the second bolts (24) are in threaded connection with the rotating disc (6) through the threaded holes (7).

3. The precision turret positioning mechanism of claim 1, wherein: the weight of the pressing block (20) is the same as that of the sensing mechanism (9).

4. The precision turret positioning mechanism of claim 1, wherein: the sliding block (14) is matched with the sliding groove (13) in size, and the trigger plate (15) is connected with the sliding groove (13) in a sliding mode through the sliding block (14).

5. The precision turret positioning mechanism of claim 1, wherein: the sensing mechanism (9) mainly comprises a pressure sensor (17), a pressure spring (16), a trigger plate (15), a jacking block (12) and a jacking rod (11).

6. The precision turret positioning mechanism of claim 1, wherein: the pressure springs (16) on the lower surface of the pressure sensor (17) are three, and the trigger plate (15) is movably connected with the pressure sensor (17) through the pressure springs (16).

7. The precision turret positioning mechanism of claim 1, wherein: the size of the top block (12) is slightly larger than that of the limit groove (18), and the top block (12) is clamped with the limit plate (10) through the limit groove (18).