CN215942485U

CN215942485U - Positioning mechanism of double-head polishing machine for precision casting

Info

Publication number: CN215942485U
Application number: CN202121836463.3U
Authority: CN
Inventors: 秦龙
Original assignee: Shenyang Casting Aviation Technology Co ltd
Current assignee: Shenyang Casting Aviation Technology Co ltd
Priority date: 2021-08-08
Filing date: 2021-08-08
Publication date: 2022-03-04
Anticipated expiration: 2031-08-08

Abstract

The utility model belongs to the technical field of precision casting, and particularly relates to a positioning mechanism of a double-head polishing machine for precision casting, which comprises an operation platform, wherein the bottom of the operation platform is fixedly connected with a supporting leg, the center of the upper end of the operation platform is fixedly connected with the double-head polishing machine, the operation platform is fixedly connected with two limiting plates which are symmetrically distributed, each limiting plate is fixedly connected with a connecting seat, the interior of each connecting seat is rotatably connected with a threaded shaft, the threaded shaft is provided with a ring groove, and the edge of the upper end of the operation platform is fixedly connected with two supporting plates which are symmetrically distributed. According to the double-head polishing machine, the workpiece clamping and positioning mechanisms consisting of the moving seat, the placing plate, the supporting block, the guide rod, the clamping plate, the threaded rod and the spring are designed at the two polishing ports of the double-head polishing machine, so that workpieces with different sizes can be clamped and positioned, the phenomenon that the workpieces shake in the polishing process is avoided, and the polishing quality is ensured.

Description

Positioning mechanism of double-head polishing machine for precision casting

Technical Field

The utility model relates to the field of precision casting, in particular to a positioning mechanism of a double-head polishing machine for precision casting.

Background

In the production link of precision casting work pieces, a grinding device is needed to be arranged, and the double-head grinding machine is generally selected for the selection of the grinding device, and different grinding heads can be arranged at the grinding port of the double-head grinding machine, so that a user can conveniently and frequently use the grinding head alternately. But current double-end polisher is when polishing the work piece, what adopt is that the manual work is handed the mode of work piece, leads to the work piece to lack positioning mechanism, takes place to rock easily, can influence the quality of polishing, and the manual work is handed the contact of work piece and bistrique that the work piece can not be fine moreover, and the work piece is flicked by the bistrique easily. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a positioning mechanism of a double-head polishing machine for precision casting, which solves the problem that the contact between a workpiece and a grinding head cannot be well controlled because the conventional double-head polishing machine lacks a workpiece positioning mechanism.

In order to achieve the purpose, the utility model provides the following technical scheme: a positioning mechanism of a double-head polishing machine for precision casting comprises an operation platform, wherein the bottom of the operation platform is fixedly connected with a supporting leg, the center of the upper end of the operation platform is fixedly connected with the double-head polishing machine, the operation platform is fixedly connected with two limiting plates which are symmetrically distributed, each limiting plate is fixedly connected with a connecting seat, the inside of each connecting seat is rotatably connected with a threaded shaft, an annular groove is formed in each threaded shaft, the edge of the upper end of the operation platform is fixedly connected with two supporting plates which are symmetrically distributed, the inside of each supporting plate is rotatably connected with a threaded shaft, one end, close to the supporting plates, of each threaded shaft is fixedly connected with a rotary table, the outside of each threaded shaft is connected with a moving seat through threads, the moving seat is slidably connected with the operation platform, the bottom of the moving seat is fixedly connected with a guide block, and the top of the moving seat is fixedly connected with a placing plate, the supporting device is characterized in that the placing plate is fixedly connected with two supporting blocks which are symmetrically distributed, the supporting blocks are internally connected with a threaded rod through threads, the tail end of the threaded rod is connected with a clamping plate in a rotating mode, the clamping plate is connected with the placing plate in a sliding mode, and a spring is sleeved outside the threaded rod.

Preferably, one end of the spring is fixedly connected with a clamping plate, and the other end of the spring is fixedly connected with a supporting block.

Preferably, the surface of the operation platform is provided with a guide groove, and the inner side of the guide groove is connected with a guide block in a sliding manner.

Preferably, the inside of connecting seat has a spacing bolt through threaded connection, the tail end and the annular sliding connection of spacing bolt.

Preferably, the number of the supporting legs is four, and the four supporting legs are uniformly distributed at the bottom of the operation platform.

Preferably, a guide rod is slidably connected inside each supporting block, and a clamping plate is fixedly connected to the guide rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the double-head polishing machine, the workpiece clamping and positioning mechanisms consisting of the moving seat, the placing plate, the supporting block, the guide rod, the clamping plate, the threaded rod and the spring are designed at the two polishing ports of the double-head polishing machine, so that workpieces with different sizes can be clamped and positioned, the phenomenon that the workpieces shake in the polishing process is avoided, and the polishing quality is ensured.

2. According to the double-head polishing machine grinding head, the moving guide mechanism composed of the limiting plate, the connecting seat, the threaded shaft, the annular groove, the limiting bolt, the supporting plate, the rotary table, the guide groove and the like is designed on the operation platform, the threaded shaft in the moving guide mechanism is connected with the moving seat in the workpiece clamping and positioning mechanism in a threaded mode, so that the moving block is driven to move in the horizontal direction on the operation platform by the rotation of the threaded shaft, the moving process is stable, and the contact between the clamped and fixed workpiece and the double-head polishing machine grinding head can be well controlled.

Drawings

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a side cross-sectional view of a portion of the structure of the present invention;

fig. 4 is an enlarged view of the structure of the portion a of fig. 2 according to the present invention.

In the figure: 1. an operation platform; 2. supporting legs; 3. a double-head polishing machine; 4. a limiting plate; 5. a connecting seat; 6. a threaded shaft; 7. a ring groove; 8. a limit bolt; 9. a support plate; 10. a turntable; 11. a movable seat; 12. a guide block; 13. a guide groove; 14. placing the plate; 15. a support block; 16. a guide bar; 17. a splint; 18. a threaded rod; 19. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a positioning mechanism of a double-head polishing machine for precision casting comprises an operation platform 1, wherein the bottom of the operation platform 1 is fixedly connected with a supporting leg 2, the center of the upper end of the operation platform 1 is fixedly connected with a double-head polishing machine 3, the operation platform 1 is fixedly connected with two limiting plates 4 which are symmetrically distributed, each limiting plate 4 is fixedly connected with a connecting seat 5, the inner part of each connecting seat 5 is rotatably connected with a threaded shaft 6, the threaded shaft 6 is provided with a ring groove 7, the upper end edge of the operation platform 1 is fixedly connected with two supporting plates 9 which are symmetrically distributed, the inner part of each supporting plate 9 is rotatably connected with a threaded shaft 6, one end of each threaded shaft 6 close to the corresponding supporting plate 9 is fixedly connected with a turntable 10, the outer part of each threaded shaft 6 is connected with a movable seat 11 through threads, the movable seat 11 is slidably connected with the operation platform 1, and the bottom of the movable seat 11 is fixedly connected with a guide block 12, remove the top fixedly connected with of seat 11 and place board 14, place two symmetric distribution's of fixedly connected with supporting shoe 15 on the board 14, there is a threaded rod 18 inside of supporting shoe 15 through threaded connection, and the end-to-end rotation of threaded rod 18 is connected with splint 17, splint 17 with place board 14 sliding connection, the spring 19 has been cup jointed to the outside of threaded rod 18.

Referring to fig. 3, one end of the spring 19 is fixedly connected with the clamping plate 17, and the other end of the spring 19 is fixedly connected with the supporting block 15. The design of the spring 19 has the function of preventing the screw rod 18 from loosening.

Referring to fig. 1 and 2, a guide groove 13 is formed on the surface of the work platform 1, and a guide block 12 is slidably connected to the inner side of the guide groove 13. The design of the guide groove 13, in cooperation with the guide block 12, has a local guiding effect on one end of the movable seat 11.

Referring to fig. 4, the inside of the connecting seat 5 is connected with a limit bolt 8 through a thread, and the tail end of the limit bolt 8 is slidably connected with the annular groove 7. Through the design of limit bolt 8, with the cooperation of annular 7, be convenient for threaded shaft 6 and connecting seat 5 be connected.

Referring to fig. 1 and 2, the number of the support legs 2 is four, and the four support legs 2 are uniformly distributed at the bottom of the work platform 1. The support legs 2 are designed to support the whole body.

Referring to fig. 3, a guide bar 16 is slidably connected inside each support block 15, and a clamp plate 17 is fixedly connected to the guide bar 16. The guide rod 16 is designed to guide the displacement of the clamping plate 17.

The specific implementation process of the utility model is as follows: when the double-head polishing machine is used, a workpiece to be polished is placed on the placing plate 14, the position to be polished is placed towards the double-head polishing machine 3, the threaded rod 18 is rotated simultaneously, the threaded rod 18 generates displacement through threaded motion between the threaded rod 18 and the supporting block 15, the threaded rod 18 pushes the clamping plates 17 to move on the placing plate 14 at the moment, the tension spring 19 is stretched, the guide rod 16 slides in the supporting block 15 to guide the displacement of the clamping plates 17, when the two clamping plates 17 are in contact with the workpiece, the workpiece can be clamped and fixed, the distance between the two clamping plates 17 can be adjusted, the workpieces with different sizes can be clamped and positioned, the clamped and fixed workpiece cannot shake in the polishing process, the polishing quality is ensured, the double-head polishing machine 3 is started, the rotary table 10 is rotated, the rotary table 10 drives the threaded shaft 6 to rotate, the moving seat 11 outside the threaded shaft 6 slides on the operation platform 1 through threaded motion with the threaded shaft 6, and the guide block 12 at the bottom of the movable seat 11 guides the movement of the movable seat 11 in the guide groove 13 on the operation platform 1, so that the stability of the displacement process of the movable seat 11 is ensured, along with one end of the movable seat 11, the movable seat 11 can drive the placing plate 14 and a workpiece clamped and fixed on the placing plate 14 to move together, when the workpiece moves to be in contact with the grinding head of the double-head polishing machine 3, the double-head polishing machine 3 polishes the workpiece, and the workpiece can be separated from the grinding head of the double-head polishing machine 3 only by reversing the rotary table 10 after polishing is completed, so that the control is very good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a precision casting is with positioning mechanism of double-end buffing machine, includes operation platform (1), its characterized in that: the bottom of the operation platform (1) is fixedly connected with supporting legs (2), the upper end center of the operation platform (1) is fixedly connected with a double-head polishing machine (3), the operation platform (1) is fixedly connected with two symmetrically distributed limiting plates (4), each limiting plate (4) is fixedly connected with a connecting seat (5), the connecting seat (5) is rotatably connected with a threaded shaft (6) in the inner part, the threaded shaft (6) is provided with an annular groove (7), the upper end edge of the operation platform (1) is fixedly connected with two symmetrically distributed supporting plates (9), the supporting plate (9) is rotatably connected with a threaded shaft (6) in the inner part, one end of the threaded shaft (6) close to the supporting plates (9) is fixedly connected with a turntable (10), and the outer part of the threaded shaft (6) is connected with a moving seat (11) through threads, remove seat (11) and operation platform (1) sliding connection, the bottom fixedly connected with guide block (12) of removing seat (11), the top fixedly connected with of removing seat (11) places board (14), place two symmetric distribution's of fixedly connected with supporting shoe (15) on board (14), there is threaded rod (18) inside of supporting shoe (15) through threaded connection, the end-to-end rotation of threaded rod (18) is connected with splint (17), splint (17) with place board (14) sliding connection, spring (19) have been cup jointed to the outside of threaded rod (18).

2. The positioning mechanism of a double-headed grinder for precision casting according to claim 1, wherein: one end of the spring (19) is fixedly connected with a clamping plate (17), and the other end of the spring (19) is fixedly connected with a supporting block (15).

3. The positioning mechanism of a double-headed grinder for precision casting according to claim 1, wherein: a guide groove (13) is formed in the surface of the operation platform (1), and a guide block (12) is connected to the inner side of the guide groove (13) in a sliding mode.

4. The positioning mechanism of a double-headed grinder for precision casting according to claim 1, wherein: the inside of connecting seat (5) has spacing bolt (8) through threaded connection, the tail end and annular (7) sliding connection of spacing bolt (8).

5. The positioning mechanism of a double-headed grinder for precision casting according to claim 1, wherein: the number of the supporting legs (2) is four, and the supporting legs (2) are evenly distributed at the bottom of the operation platform (1).

6. The positioning mechanism of a double-headed grinder for precision casting according to claim 1, wherein: the inside of each supporting block (15) is connected with a guide rod (16) in a sliding mode, and a clamping plate (17) is fixedly connected onto each guide rod (16).