Hole center positioning spinning device for polishing system

Abstract

The utility model discloses a hole center positioning spinning device for a polishing system, which relates to the technical field of polishing positioning and comprises a jig bottom plate, two positioning block supporting boxes are fixedly mounted on the upper end face of the jig bottom plate and are arranged at opposite angles of the jig bottom plate, a mounting box is fixedly mounted at the top ends of the positioning block supporting boxes, and the positioning block supporting boxes are fixedly mounted on the mounting box. A wedge-shaped block is arranged above the mounting box, and fixing plates are arranged on the periphery of the upper end face of the wedge-shaped block in a limiting and sliding fit mode; an output shaft is rotationally mounted in the positioning block supporting box; the connecting plate moves downwards to drive the lower end face of the bent position of the inverted-L-shaped fixing plate to exactly press the upper end face of the iron gasket, meanwhile, the vertical end face of the fixing plate is exactly in contact with the inner wall of the iron gasket, the filling limiting effect on an inner hole of the iron gasket is achieved, and the iron gasket is limited in the transverse direction and the vertical direction at the same time; and the overall fixing stability of the iron gasket and the precision degree of hole positioning are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding and positioning, in particular to a hole center positioning spinning device for a grinding system. Background Art

[0002] Drilling refers to the operation of using a drill bit to make a hole in a solid material. Polishing is a type of surface modification technology. It generally refers to a processing method that uses rough objects (such as sandpaper containing high-hardness particles) to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness.

[0003] A transmission shaft gasket grinding mechanism with a clamping function disclosed in Chinese patent CN220806905U includes an operating table, an adjustment component is fixedly installed on the top of the operating table, a grinding device is provided on one side of the adjustment component, and a mounting seat is fixedly installed on the top of the operating table. In the utility model, by setting a drive motor, a worm, a worm gear and two sets of bidirectional screws, four sets of connecting blocks can be driven to move synchronously, and by setting an arc-shaped clamping piece, the outer side of the gasket body can be clamped and fixed.

[0004] When the above-mentioned existing grinding mechanism is used, two sets of bidirectional screws drive four sets of arc-shaped clamps 2 and four sets of arc-shaped clamps 1 to clamp and fix the gasket body; however, the arc-shaped clamps can only limit the gasket body in the horizontal direction, and cannot limit the gasket body in the vertical direction at the same time, which makes the clamping stability of the mechanism low.

[0005] In order to solve the above problems, the utility model proposes a hole center positioning spinning device for a grinding system. Utility Model Content

[0006] In order to solve the problems existing in the background technology, the utility model proposes a hole center positioning spinning device for a grinding system.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hole center positioning spinning device for a grinding system, comprising a jig base plate, two positioning block support boxes are fixedly installed on the upper end surface of the jig base plate, the two positioning block support boxes are arranged at opposite corners of the jig base plate, the top of the positioning block support box is fixedly installed with a mounting box, a wedge block is arranged above the mounting box, and the upper end surface of the wedge block is limited and slidably matched with a fixed plate on all four sides; an output shaft is rotatably installed inside the positioning block support box, and the top end of the output shaft is rotatably connected to the internal top surface of the mounting box; a connecting plate is slidably installed inside the mounting box, and a threaded portion of the outer surface of the output shaft located inside the mounting box is provided, and the connecting plate is threadedly connected to the output shaft; a connecting piece is provided between the connecting plate and the fixed plate; support plates are slidably installed on both sides of the upper end surface of the jig base plate, and clamping plates are fixedly connected to the top ends of the support plates, and a linkage assembly is provided between the support plates and the corresponding output shafts.

[0008] Preferably, a center positioning plate is fixedly installed on the top of the installation box, and the wedge block is fixedly installed on the upper end surface of the center positioning plate; an iron gasket is placed on the upper end surface of the center positioning plate, and through holes are opened on the iron gasket at positions corresponding to the fixed plate.

[0009] Preferably, first sliding grooves are provided on all four sides of the wedge-shaped block, and through grooves are provided at the top ends of the installation box and the center positioning plate at positions corresponding to the first sliding grooves.

[0010] Preferably, the connecting member includes a connecting rod and a first spring, and a second slide groove is provided at the position of the upper end surface of the connecting plate corresponding to the first slide groove, and the bottom end of the connecting rod is slidingly installed inside the second slide groove, and the connecting rod is arranged in the through groove between the installation box and the top end of the center positioning plate, and the top end of the connecting rod is fixedly connected to the corresponding fixed plate; the first spring is fixedly connected to the side of the bottom end of the connecting rod away from the center of the connecting plate, and the other end of the first spring is fixedly connected to the inner wall of the second slide groove.

[0011] Preferably, third sliding grooves are provided on both sides of the upper end surface of the jig bottom plate, and the bottom end of the support plate is limitedly slidably installed inside the third sliding grooves.

[0012] Preferably, the linkage assembly includes a rope, a second roller assembly and a first roller assembly; the first roller assembly is fixedly mounted on the outside of the output shaft, the first roller assembly is arranged inside the positioning block support box, and the second roller assembly is fixedly mounted on the side walls of the positioning block support box. A rope is fixedly connected to the outside of the first roller assembly, and the other end of the rope passes around the second roller assembly and is fixedly connected to the corresponding support plate.

[0013] Preferably, an electrical box assembly is fixedly mounted on the side wall of the jig bottom plate.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The hole center positioning spinning device for the grinding system drives the lower end face of the inverted "L"-shaped fixed plate at the bend to just press the upper end face of the iron gasket by moving the connecting plate downward. At the same time, the vertical end face of the fixed plate just contacts the inner wall of the iron gasket, which has a filling and limiting effect on the inner hole of the iron gasket, and realizes the simultaneous horizontal and vertical limitation of the iron gasket, further improving the overall fixation stability of the iron gasket and the precision of the hole positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the internal connection of the utility model;

[0020] Figure 3 For this utility model Figure 2 A in the middle is an enlarged schematic diagram;

[0021] Figure 4 This is a schematic diagram of the wedge block structure of the utility model.

[0022] Figure numerals: 1. jig base plate; 2. support plate; 3. rope; 4. second roller assembly; 5. first roller assembly; 6. spinning cylinder; 7. output shaft; 8. mounting box; 9. positioning block support box; 10. iron gasket; 11. fixing plate; 12. wedge block; 13. connecting rod; 14. first spring; 15. connecting plate; 16. center positioning plate; 17. electrical box assembly; 18. second spring; 19. third slide; 20. clamping plate; 21. first slide; 22. second slide. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] See also Figure 1-4 The utility model provides a technical solution: a hole center positioning spinning device for a grinding system, comprising a jig base plate 1, two positioning block support boxes 9 are fixedly installed on the upper end surface of the jig base plate 1, the two positioning block support boxes 9 are arranged at the diagonal positions of the jig base plate 1, and an installation box 8 is fixedly installed on the top of the positioning block support box 9, and a wedge block 12 is arranged above the installation box 8.

[0025] The upper end surface of the wedge block 12 is fitted with a fixing plate 11 in a limited sliding manner around the edges.

[0026] Specifically, a center positioning plate 16 is fixedly installed on the top of the installation box 8, and the wedge block 12 is fixedly installed on the upper end surface of the center positioning plate 16. An iron gasket 10 is placed on the upper end surface of the center positioning plate 16, and a through hole is opened on the iron gasket 10 at the position corresponding to the fixing plate 11.

[0027] Furthermore, first sliding grooves 21 are provided around the wedge-shaped block 12 , and through grooves are provided at the top ends of the installation box 8 and the center positioning plate 16 at positions corresponding to the first sliding grooves 21 .

[0028] The output shaft 7 is rotatably mounted inside the positioning block support box 9 .

[0029] The inner bottom end of the positioning block support box 9 is fixedly mounted with a spinning cylinder 6 , and the output end of the spinning cylinder 6 is fixedly connected to the bottom end of the output shaft 7 .

[0030] The top end of the output shaft 7 is rotatably connected to the inner top surface of the installation box 8. A connecting plate 15 is installed on the inner limit sliding of the installation box 8. The outer surface of the output shaft 7 located inside the installation box 8 is threaded, and the connecting plate 15 is threadedly connected to the output shaft 7.

[0031] A connecting piece is provided between the connecting plate 15 and the fixing plate 11 .

[0032] The connecting member includes a connecting rod 13 and a first spring 14. A second slot 22 is defined on the upper end of the connecting plate 15 at a position corresponding to the first slot 21. The bottom end of the connecting rod 13 is slidably mounted within the second slot 22. The connecting rod 13 is positioned within a through slot formed between the mounting box 8 and the top end of the center positioning plate 16. The top end of the connecting rod 13 is fixedly connected to the corresponding fixing plate 11. The first spring 14 is fixedly connected to the side of the bottom end of the connecting rod 13 facing away from the center of the connecting plate 15. The other end of the first spring 14 is fixedly connected to the inner wall of the second slot 22.

[0033] Support plates 2 are slidably mounted on both sides of the upper end surface of the jig base plate 1 , and clamping plates 20 are fixed to the top ends of the support plates 2 .

[0034] Specifically, third chute 19 is defined on both sides of the upper end surface of the jig base 1, and the bottom end of the support plate 2 is slidably mounted within the third chute 19. A second spring 18 is fixedly attached to one side of the third chute 19 near the edge of the jig base 1, and the other end of the second spring 18 is fixedly connected to the bottom end of the support plate 2.

[0035] A linkage assembly is provided between the support plate 2 and the corresponding output shaft 7 .

[0036] The linkage assembly includes a rope 3, a second roller assembly 4, and a first roller assembly 5. The first roller assembly 5 is fixedly mounted on the outside of the output shaft 7. The first roller assembly 5 is arranged inside the positioning block support box 9. The second roller assembly 4 is fixedly mounted on the side walls of the positioning block support box 9. The rope 3 is fixedly connected to the outside of the first roller assembly 5. The other end of the rope 3 passes around the second roller assembly 4 and is fixedly connected to the corresponding support plate 2.

[0037] An electrical box assembly 17 is fixedly mounted on the side wall of the tool base plate 1. The electrical box assembly 17 can control the start and stop of the spinning cylinder 6.

[0038] Working principle:

[0039] During use, the iron gasket 10 to be polished is fixed, wherein the through hole on the iron gasket 10 just passes through the fixing plate 11, and the iron gasket 10 is placed on the center positioning plate 16, and the fixing plate 11 is located above the upper end surface of the iron gasket 10.

[0040] At this time, the spinning cylinder 6 is started, and the output end of the spinning cylinder 6 drives the output shaft 7 to rotate, wherein the rotation of the output shaft 7 will drive the first roller assembly 5 to rotate, and then pull one end of the rope 3, so that the rope 3 pulls the support plate 2 through the second roller assembly 4 to slide along the third slide groove 19. At this time, the second spring 18 is in a stretched state, and at the same time, the support plates 2 on both sides drive the clamping plate 20 toward the side wall of the iron gasket 10. The "L" shape of the clamping plate 20 can support the lower end face of the iron gasket 10 and clamp the side wall, thereby improving the stability of the fixation of the iron gasket 10.

[0041] When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression. When the first spring 14 is in the state of compression, the first spring 14 is in the state of compression.

[0042] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A hole centering spinning device for a grinding system, comprising a jig base plate (1), characterized in that: Two positioning block support boxes (9) are fixedly installed on the upper end surface of the jig base plate (1). The two positioning block support boxes (9) are arranged at the diagonal positions of the jig base plate (1). A mounting box (8) is fixedly installed on the top of the positioning block support box (9). A wedge block (12) is arranged above the mounting box (8). The upper end surface of the wedge block (12) is limited and slidably matched with a fixed plate (11) all around. An output shaft (7) is rotatably installed inside the positioning block support box (9). The top of the output shaft (7) is aligned with the inner top surface of the mounting box (8). Rotational connection; a connecting plate (15) is installed in a limited sliding manner inside the installation box (8); a thread is provided on the outer surface of the output shaft (7) located inside the installation box (8); the connecting plate (15) is threadedly connected to the output shaft (7); a connecting piece is provided between the connecting plate (15) and the fixed plate (11); support plates (2) are installed in a limited sliding manner on both sides of the upper end surface of the jig bottom plate (1), and the top of the support plate (2) is fixedly connected to a clamping plate (20), and a linkage component is provided between the support plate (2) and the corresponding output shaft (7).

2. The hole centering spinning device for a grinding system according to claim 1, characterized in that: A center positioning plate (16) is fixedly installed on the top of the installation box (8), and a wedge block (12) is fixedly installed on the upper end surface of the center positioning plate (16); an iron gasket (10) is placed on the upper end surface of the center positioning plate (16), and through holes are opened on the iron gasket (10) at positions corresponding to the fixing plate (11).

3. The hole centering spinning device for a grinding system according to claim 1, characterized in that: The wedge block (12) is provided with a first sliding groove (21) on all four sides, and the top of the installation box (8) and the center positioning plate (16) are provided with a through groove at a position corresponding to the first sliding groove (21).

4. The hole centering spinning device for a grinding system according to claim 1, characterized in that: The connecting member includes a connecting rod (13) and a first spring (14); a second slide groove (22) is provided on the upper end surface of the connecting plate (15) at a position corresponding to the first slide groove (21); the bottom end of the connecting rod (13) is slidingly mounted inside the second slide groove (22); the connecting rod (13) is arranged in a through groove between the installation box (8) and the top of the center positioning plate (16); the top end of the connecting rod (13) is fixedly connected to the corresponding fixed plate (11); the first spring (14) is fixedly connected to the side of the bottom end of the connecting rod (13) away from the center of the connecting plate (15); the other end of the first spring (14) is fixedly connected to the inner wall of the second slide groove (22).

5. The hole centering spinning device for a grinding system according to claim 1, characterized in that: A third sliding groove (19) is provided on both sides of the upper end surface of the jig bottom plate (1), and the bottom end of the support plate (2) is limitedly slidably installed inside the third sliding groove (19).

6. The hole centering spinning device for a grinding system according to claim 1, characterized in that: The linkage assembly comprises a rope (3), a second roller assembly (4) and a first roller assembly (5); the first roller assembly (5) is fixedly mounted on the outside of the output shaft (7), the first roller assembly (5) is arranged inside the positioning block support box (9), the second roller assembly (4) is fixedly mounted on the side wall of the positioning block support box (9), the rope (3) is fixedly connected to the outside of the first roller assembly (5), and the other end of the rope (3) passes around the second roller assembly (4) and is fixedly connected to the corresponding support plate (2).

7. The hole centering spinning device for a grinding system according to claim 1, characterized in that: An electrical box assembly (17) is fixedly mounted on the side wall of the jig bottom plate (1).

Images