CN220050942U

CN220050942U - Bidirectional positioning mechanism

Info

Publication number: CN220050942U
Application number: CN202321452229.XU
Authority: CN
Inventors: 陈宾冬
Original assignee: Falai Intelligent Technology Shanghai Co ltd
Current assignee: Falai Intelligent Technology Shanghai Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-21
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a bidirectional positioning mechanism, belongs to the technical field of clamping devices, and aims to solve the problems that the existing positioning mechanism in the prior art can only perform unidirectional positioning, the amount of one-time clamping in the machining process is small, and the working efficiency is low for batch workpieces. The device comprises a base table, a clamping block, a fixing column and side frames, wherein the fixing column is arranged at the center of the upper surface of the base table, two groups of side frames are symmetrically distributed on two sides of the fixing column, the side frames are of L-shaped structures, and the fixing column and the two groups of side frames are fixedly connected with the base table; the fixed column is of a hollow cuboid structure, the clamping blocks are symmetrically distributed on two side walls of the fixed frame, the corresponding clamping blocks on the side walls of the fixed column are provided with mounting grooves for the clamping blocks to slide, and the upper surface of the fixed column is vertically provided with an adjusting screw. The bidirectional positioning mechanism benefits from the cooperation of the fixed column and the side frame, can directly clamp in both directions, and simultaneously fixes two groups of workpieces, so that the machining efficiency is higher, and the use requirement is met.

Description

Bidirectional positioning mechanism

Technical Field

The utility model belongs to the technical field of clamping devices, and particularly relates to a bidirectional positioning mechanism.

Background

The fixture is used for fixing a processing object in a mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive construction or detection, the fixture for quickly, conveniently and safely installing workpieces in any process in the technical process can be called as a fixture, and the clamping mode of the fixture directly influences the processing efficiency of the workpieces, so that the clamping convenience of the fixture in the prior art is higher and higher, workpieces needing to be processed, such as pipe fittings, shaft parts, plate parts and the like, need to be clamped by matching with a positioning mechanism in the mechanical processing process so as to meet the requirement of subsequent cutting and polishing, but the existing positioning mechanism can only carry out unidirectional positioning, the amount of one-time clamping in the processing process is small, and the working efficiency is lower for batch workpieces, and the inventor provides a bidirectional positioning mechanism.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a bidirectional positioning mechanism, which aims to solve the problems that the existing positioning mechanism in the prior art can only perform unidirectional positioning, has small one-time clamping amount in the processing process and has slower working efficiency for batch workpieces.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a bidirectional positioning mechanism which comprises a base table, a clamping block, a fixed column and side frames, wherein the fixed column is arranged at the center of the upper surface of the base table, two groups of side frames are symmetrically distributed on two sides of the fixed column, the side frames are of L-shaped structures, and the fixed column and the two groups of side frames are fixedly connected with the base table; the fixing column is of a hollow cuboid structure, the clamping blocks are symmetrically distributed on two side walls of the fixing frame, mounting grooves for the clamping blocks to slide are formed in the positions, corresponding to the clamping blocks, on the side walls of the fixing column, an adjusting screw is vertically arranged on the upper surface of the fixing column, and one end, far away from the fixing column, of the adjusting screw is fixedly connected with a rotating disk; the adjusting screw penetrates into one end of the fixed column and is connected with the contact block in a rotating mode, two groups of clamping blocks are provided with protruding portions which are in mutual butt joint with the contact block in an integrated mode towards one face inside the fixed column. The positioning mechanism can directly clamp two groups of workpieces in two directions due to the cooperation of the fixing column and the side frame, so that the machining efficiency is higher, and the use requirement is met.

Further, a connecting shaft is fixedly installed on the inner wall of the top end of the fixing column, a threaded hole is formed in the middle of the connecting shaft, and the threaded hole is used for the threaded penetration of an adjusting screw rod.

Further, the upper surface of the contact block is provided with a rotary groove, the bottom of the adjusting screw is provided with a convex block, and the convex block is rotationally connected with the rotary groove. Thanks to the arrangement of the rotating grooves and the protruding blocks, the contact blocks can be lifted along with the rotating force of the adjusting screw, so that the clamping blocks are driven to work.

Further, the contact block is of a semicircular structure, guide rods are fixedly connected to the end faces of the two sides respectively, the guide rods are horizontally arranged, and a guide pulley is rotatably arranged at one end far away from the contact block.

Furthermore, a guide groove is vertically formed in the inner wall of the fixed column at the position corresponding to the guide pulley, and the guide pulley is embedded into the guide groove to vertically slide along the fixed column.

Still further, two sets of connecting pieces are fixed with respectively on the bulge of clamp block, the connecting piece is L shape structure, and keeps away from the one end fixedly connected with extension spring of bulge, the extension spring level sets up in the inside of fixed column, and two sets of connecting pieces are connected respectively at both ends. Owing to the arrangement of the tension springs, when the adjusting screw rises, the two groups of clamping blocks synchronously shrink along with the upward movement of the contact blocks, the telescopic mode is concise, and the use is convenient.

Still further, bottom one side fixedly connected with clamping platform of base table, the clamping platform is L shape structure, the inboard of clamping platform is equipped with the grip block that moves relative to the base table, the fixing screw is installed to the bottom screw thread of clamping platform, the tip rotation of fixing screw connects the grip block.

(3) Advantageous effects

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

the positioning mechanism can directly clamp two groups of workpieces in a bidirectional manner by virtue of the cooperation of the fixed column and the side frame, simultaneously fixes the two groups of workpieces, ensures higher machining efficiency, meets the use requirement, drives the contact blocks to vertically lift in the fixed column by the adjusting screw, can simultaneously drive the symmetrically distributed clamping blocks to clamp by unidirectional operation, is convenient to operate, and can synchronously shrink along with the upward movement of the contact blocks by the arrangement of the tension springs when the adjusting screw is lifted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram showing the structure of the separation state of the adjusting screw and the contact block;

fig. 3 is a front view of the fixing post;

fig. 4 is a schematic view of the structure of the clamping block.

The marks in the drawings are: 1. a fixed screw; 2. a clamping plate; 3. a base table; 4. clamping table; 5. a clamping block; 6. fixing the column; 7. adjusting a screw; 8. a rotating disc; 9. a side frame; 10. a connecting shaft; 11. a guide rod; 12. a guide pulley; 13. a contact block; 14. a tension spring; 15. a protruding portion; 16. and a connecting piece.

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.

The structure of the bidirectional positioning mechanism is shown in fig. 1, and the bidirectional positioning mechanism comprises a base table 3, a clamping block 5, a fixing column 6 and side frames 9, wherein the fixing column 6 is arranged at the center of the upper surface of the base table 3, two groups of side frames 9 are symmetrically distributed on two sides of the fixing column 6, the side frames 9 are of L-shaped structures, and the fixing column 6 and the two groups of side frames 9 are fixedly connected with the base table 3. The fixed column 6 is of a hollow cuboid structure, the clamping blocks 5 are symmetrically distributed on two side walls of the fixed frame, the side walls of the fixed column 6 are provided with mounting grooves for the clamping blocks 5 to slide at positions corresponding to the clamping blocks 5, the upper surface of the fixed column 6 is vertically provided with an adjusting screw 7, and one end, far away from the fixed column 6, of the adjusting screw 7 is fixedly connected with a rotary disk 8; the clamping table 4 is fixedly connected to one side of the bottom table 3, the clamping table 4 is of an L-shaped structure, the clamping plate 2 moving relative to the bottom table 3 is arranged on the inner side of the clamping table 4, the fixing screw 1 is installed on the bottom thread of the clamping table 4, and the end part of the fixing screw 1 is rotationally connected with the clamping plate 2. The clamping plate 2 gradually moves upwards to tightly lean against the bottom of the processing table by rotating the fixing screw 1, and the bottom table 3 has a fixing force at the moment, so that a workpiece to be processed can be placed on the inner side of the side frame 9 for clamping.

Referring to fig. 2 and 3, one end of the adjusting screw 7 penetrating into the fixed column 6 is rotatably connected with a contact block 13, one surface of the two groups of clamping blocks 5 facing the inside of the fixed column 6 is integrally formed with a protruding portion 15, and the protruding portion 15 and the contact block 13 are in mutual abutting connection. A connecting shaft 10 is fixedly installed on the inner wall of the top end of the fixed column 6, a threaded hole is formed in the middle of the connecting shaft 10, and the threaded hole is used for the adjusting screw 7 to penetrate through. The upper surface of the contact block 13 is provided with a rotary groove, the bottom of the adjusting screw 7 is provided with a lug, and the lug is rotationally connected with the rotary groove. The contact block 13 is of a semicircular structure, guide rods 11 are fixedly connected to the end faces of the two sides respectively, the guide rods 11 are horizontally arranged, and a guide pulley 12 is rotatably arranged at one end far away from the contact block 13. A guide groove is vertically formed in the inner wall of the fixed column 6 at a position corresponding to the guide pulley 12, and the guide pulley 12 is embedded into the guide groove and vertically slides along the fixed column 6.

Referring to fig. 3 and 4, the protruding portions 15 of the two sets of clamping blocks 5 are respectively fixed with a connecting piece 16, the connecting pieces 16 are in an L-shaped structure, one end far away from the protruding portions 15 is fixedly connected with a tension spring 14, the tension spring 14 is horizontally arranged in the fixing column 6, and two ends of the tension spring are respectively connected with the two sets of connecting pieces 16. The bulge 15 starts to be stressed and moves away in the opposite direction, the connecting piece 16 moves along with the bulge, the tension spring 14 starts to be stressed and stretches, and the clamping block 5 moves towards the side frame 9 along with the continuous movement of the bulge 15 to clamp a workpiece in the side frame 9.

Working principle: when the clamping device is used, the base table 3 is firstly fixed on a table top for machining through the clamping table 4, the clamping plate 2 is gradually moved upwards to tightly clamp the bottom of the machining table top by rotating the fixing screw 1, at the moment, the base table 3 has a fixing force, a workpiece to be machined is placed on the inner side of the side frame 9, two groups of workpieces can be directly placed due to the fact that the side frame 9 is in bidirectional arrangement, then the rocking disc is rotated, the rocking disc drives the adjusting screw 7 to rotate, the adjusting screw 7 and the connecting shaft 10 are in threaded transmission, the height is further lowered, along with the downward movement of the adjusting screw 7, the contact block 13 is also moved downwards, the contact block 13 is contacted with the protruding part 15 in the falling process, and the protruding part 15 and the contact surface of the contact block 13 are arc-shaped, as shown in fig. 3, the protruding part 15 starts to be stressed and is far away in the opposite direction, the connecting piece 16 moves along with the protruding part, then the tension spring 14 starts to stretch, the workpiece located in the side frame 9 is clamped due to the fact that the clamping block 5 moves in the stress direction of the side frame 9, and the fixing post 6 and the side frame 9 are matched, and the positioning mechanism can directly clamp the workpieces in the side frame 9 in the bidirectional clamping direction, and the two groups of workpieces can be simultaneously clamped, machining efficiency is further, and the machining requirements are met.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The bidirectional positioning mechanism comprises a base table (3), clamping blocks (5), fixing columns (6) and side frames (9), and is characterized in that the fixing columns (6) are arranged at the middle of the upper surface of the base table (3), two groups of side frames (9) are symmetrically distributed on two sides of the fixing columns (6), the side frames (9) are of L-shaped structures, and the fixing columns (6) and the two groups of side frames (9) are fixedly connected with the base table (3);

the fixing column (6) is of a hollow cuboid structure, the clamping blocks (5) are symmetrically distributed on two side walls of the fixing frame, a mounting groove for the clamping blocks (5) to slide is formed in the side wall of the fixing column (6) corresponding to the clamping blocks (5), an adjusting screw (7) is vertically arranged on the upper surface of the fixing column (6), and one end, far away from the fixing column (6), of the adjusting screw (7) is fixedly connected with a rotating disc (8);

one end of the adjusting screw (7) penetrating into the fixed column (6) is rotationally connected with a contact block (13), two groups of clamping blocks (5) are provided with protruding parts (15) towards one surface inside the fixed column (6) in an integrated manner, and the protruding parts (15) are mutually abutted with the contact block (13).

2. The bidirectional positioning mechanism according to claim 1, wherein a connecting shaft (10) is fixedly installed on the inner wall of the top end of the fixed column (6), a threaded hole is formed in the middle of the connecting shaft (10), and an adjusting screw (7) is threaded into the threaded hole.

3. A bi-directional positioning mechanism according to claim 1, characterized in that the upper surface of the contact block (13) is provided with a rotating groove, the bottom of the adjusting screw (7) is provided with a protruding block, and the protruding block is rotatably connected with the rotating groove.

4. A bidirectional positioning mechanism according to claim 3, wherein the contact block (13) is in a semicircular structure, guide rods (11) are fixedly connected to the end surfaces of two sides respectively, the guide rods (11) are horizontally arranged, and a guide pulley (12) is rotatably arranged at one end far away from the contact block (13).

5. The bidirectional positioning mechanism according to claim 4, wherein a guide groove is vertically formed in the inner wall of the fixed column (6) corresponding to the guide pulley (12), and the guide pulley (12) is embedded into the guide groove to vertically slide along the fixed column (6).

6. The bidirectional positioning mechanism according to claim 1, wherein the protruding parts (15) of the two groups of clamping blocks (5) are respectively fixed with connecting pieces (16), the connecting pieces (16) are in an L-shaped structure, one end far away from the protruding parts (15) is fixedly connected with a tension spring (14), the tension spring (14) is horizontally arranged in the fixing column (6), and two ends of the tension spring are respectively connected with the two groups of connecting pieces (16).

7. The bidirectional positioning mechanism according to claim 6, wherein a clamping table (4) is fixedly connected to one side of the bottom of the base table (3), the clamping table (4) is in an L-shaped structure, a clamping plate (2) moving relative to the base table (3) is arranged on the inner side of the clamping table (4), a fixing screw (1) is mounted on the bottom thread of the clamping table (4), and the end portion of the fixing screw (1) is rotationally connected with the clamping plate (2).