CN210790669U

CN210790669U - Quick clamping and positioning device

Info

Publication number: CN210790669U
Application number: CN201921608469.8U
Authority: CN
Inventors: 邵月华; 李晓生; 刘子豪; 董剑; 王彩花; 姜宜新
Original assignee: Changrui Technology Tianjin Co ltd
Current assignee: Changrui Technology Tianjin Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-19
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a tight positioner of quick clamp, include: the clamping device comprises a clamping block, a fixed base, a rotating pin, a spring, a mandril, a handle and an extension spring; under the working state, the ejector rod drives the ejector block and the limiting block to synchronously rotate through rotating the handle, the clamping block rotates around the rotating pin by utilizing the outward ejecting acting force of the ejector block on the inner side of the lower end part of the clamping block, and finally the clamping block is closed; under the non-working state, the limiting block is pushed out upwards from the limiting groove, the handle is rotated until the handle does not provide stress for the clamping blocks, the two clamping blocks are quickly bounced off under the elastic force of the spring, and the opening is convenient; the structure is simple, the production and the manufacture are convenient, the cost is low, the interchangeability is strong, and the recycling can be realized.

Description

Quick clamping and positioning device

Technical Field

The utility model relates to an automotive checking fixture field especially relates to a quick clamping and positioning device.

Background

In the checking fixture for the automotive interior parts, the clamping and positioning device for simulating and matching sheet metal positioning is often used for fixing the parts to be detected, and the clamping and positioning device on the checking fixture is generally designed into an openable structure due to the fact that the parts are required to be repeatedly used, so that product damage is avoided. The traditional positioning mechanism generally adopts a pull rope brake wire type pull rope mechanism to uniformly control, but because the positioning positions are different, the lengths of brake wires are different, the tension force among bayonets is difficult to keep consistent, and the assembly process is complex; meanwhile, due to the space problem, a large amount of space is needed for some products to avoid the screws of the positioning mechanism and the brake cable; the number of positioning mechanisms needed to be used in many products is small (only 1-2), and the pull rope control mechanism of the pull rope type positioning mechanism is generally 4 holes and 5 holes in specification, so that resource waste exists; in addition, some automobile parts adopt barb type or bolt type clamping and positioning devices, and are difficult to take out after being used, and time and labor are consumed.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model aims to provide a quick clamping and positioning device.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

a quick-clamp positioning device comprising: the clamping device comprises a clamping block, a fixed base, a rotating pin, a spring, a mandril, a handle and an extension spring; the clamping blocks are symmetrically arranged in structure, two T-shaped supporting arms which are symmetrically arranged and connected with each other are arranged on the fixed base at intervals, the lower ends of the two clamping blocks are connected between the two T-shaped supporting arms through the rotating pins respectively, and the clamping blocks can rotate around the rotating pins; the top ends of the two clamping blocks are provided with openings, the lower ends of the two clamping blocks, which are communicated with the openings, are provided with grooves, after the two clamping blocks are closed, the upper ends of the two clamping blocks form clamping openings for clamping the piece to be detected, and a cavity is formed between the two clamping blocks; the spring is arranged between the two clamping blocks;

the upper end part of the ejector rod is provided with an integral ejector block and a limiting block, a limiting groove is formed in the fixed base and located between the two T-shaped supporting arms, the ejector rod vertically penetrates through the limiting groove in the fixed base, the shape of the limiting groove is matched with that of the limiting block, the limiting groove is used for limiting the limiting block, the ejector block is driven to rotate by rotating the ejector rod, the ejector block is enabled to be in contact with the lower end of the clamping block, and the clamping block rotates around the rotating pin under the combined action of the ejector rod and the spring;

the push rod is sleeved with an extension spring, the lower end of the push rod is connected with a handle, the upper end of the extension spring abuts against the lower end face of the fixed base, and the lower end of the extension spring abuts against the upper end face of the handle.

The lower end of the clamping block is provided with a connecting arm, the connecting arm is provided with a first connecting hole, a T-shaped supporting arm of the fixed base is provided with a second connecting hole which is transversely communicated with the first connecting hole and is matched with the first connecting hole, and the rotating pin penetrates through the first connecting hole and the second connecting hole to connect the clamping block to the fixed base.

The width of the connecting arm is consistent with the width of a clamping groove formed between the two T-shaped supporting arms, and the connecting arm is clamped in the clamping groove and tightly attached to the inner sides of the T-shaped supporting arms.

The upper end part convex block of the T-shaped supporting arm is provided with a spring hole, the clamping block is provided with a circular groove matched with the spring hole, the spring penetrates through the spring hole, and two end parts of the spring are clamped in the circular grooves of the corresponding sides respectively.

The top block comprises a long side part and a short side part, when the clamping block is in a closed working state, the long side part is in contact with the clamping block, and when the clamping block is in an open non-working state, the short side part is in contact with the clamping block.

The bottom of the fixed base is provided with a mandril hole communicated with the limiting groove, and the mandril penetrates through the mandril hole.

The lower end of the ejector rod is connected with the handle, a threaded hole is formed in the upper end of the handle, threads are formed in the lower end of the ejector rod, and the lower end of the ejector rod is screwed into the threaded hole to fixedly connect the ejector rod with the handle.

Compared with the prior art, the beneficial effects of the utility model are that: under the working state, the ejector rod drives the ejector block and the limiting block to synchronously rotate through rotating the handle, the clamping block rotates around the rotating pin by utilizing the outward ejecting acting force of the ejector block on the inner side of the lower end part of the clamping block, and finally the clamping block is closed; under the non-working state, the limiting block is pushed out upwards from the limiting groove, the handle is rotated until the handle does not provide stress for the clamping blocks, the two clamping blocks are quickly bounced off under the elastic force of the spring, and the opening is convenient; the structure is simple, the production and the manufacture are convenient, the cost is low, the interchangeability is strong, and the recycling can be realized.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an exploded schematic view of the three-dimensional structure of the present invention;

fig. 3 is a schematic perspective view of the clamping block of the present invention;

fig. 4 is a schematic perspective view of the clamping block of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the fixing base of the present invention;

fig. 6 is a schematic view of a three-dimensional structure of the fixing base of the present invention;

fig. 7 is a schematic perspective view of the rotation pin of the present invention;

fig. 8 is a schematic perspective view of the ejector rod of the present invention;

fig. 9 is a schematic top view of the top block and the limiting block of the present invention;

fig. 10 is a schematic perspective view of the handle of the present invention.

In the figure: 1-a clamping block; 2-fixing the base; 3-a rotation pin; 4-a spring; 5-a top rod; 6-a handle; 7-extension spring; 11-a linker arm; 12-a first connection hole; 13-a circular groove; a 21-T shaped support arm; 22-a limiting groove; 23-a second connection hole; 24-spring holes; 25-a jack rod hole; 26-third connection hole; 51-a top block; 52-a limiting block; 61-threaded hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 10, the utility model provides a quick clamping and positioning device, including: the device comprises a clamping block 1, a fixed base 2, a rotating pin 3, a spring 4 and a mandril 5; the clamping block 1 is provided with two symmetrical T-shaped supporting arms 21, the two T-shaped supporting arms 21 are arranged on the fixed base 2 at intervals, the two clamping blocks 1 are connected between the two T-shaped supporting arms 21 through the rotating pins 3 respectively, and the clamping block 1 can rotate around the rotating pins 3; the bottom of the fixed base 2 is provided with a third connecting hole 26 which is fixedly arranged on the checking fixture substrate through a locking screw; the top ends of the two clamping blocks 1 are provided with openings, the lower ends of the two clamping blocks 1 communicated with the openings are provided with grooves, after the two clamping blocks 1 are closed, the upper ends of the two clamping blocks form clamping openings for clamping the piece to be detected, and a cavity is formed between the two clamping blocks 1; the spring 4 is arranged between the two clamping blocks 1; the vertical through connection of ejector pin 5 in on unable adjustment base 2, and be located two between the T type support arm 21, the upper end of ejector pin 5 is equipped with the kicking block 51 and the stopper 52 of integral type, kicking block 51 is the diamond-shaped piece, stopper 52 is the circular arc-shaped piece, stopper 52 is located the side below of kicking block 51, unable adjustment base 2's bottom is equipped with and is used for right stopper 52 carries out spacing groove 22, two the lower tip of pressing from both sides tight piece 1 is located respectively the both sides of kicking block 51.

Specifically, the lower end of the clamping block 1 is provided with a connecting arm 11, the connecting arm 11 is provided with a first connecting hole 12, a T-shaped supporting arm 21 of the fixing base 2 is provided with a second connecting hole 23 which is transversely communicated with the first connecting hole 12 and is used in a matched manner, and the rotating pin 3 passes through the first connecting hole 12 and the second connecting hole 23 to connect the clamping block 1 to the fixing base 2.

Specifically, the width of the connecting arm 11 is the same as the width of the clamping groove formed between the two T-shaped supporting arms 21, and the connecting arm 11 is clamped into the clamping groove and tightly attached to the inner sides of the T-shaped supporting arms 21.

Specifically, the upper end lug of T type support arm 21 is equipped with spring hole 24, press from both sides tight piece 1 be equipped with circular slot 13 that spring hole 24 cooperation was used, spring 4 is located in the spring hole 24 and the tip card is in circular slot 13, spring 4 receives spring hole 24's support and protection are difficult for droing, and the effort is stable, long service life.

Specifically, the top block 51 includes a long side portion and a short side portion, the long side portion abuts against the clamping block 1 when the clamping block 1 is in the closed operating state, and the short side portion abuts against the clamping block 1 when the clamping block 1 is in the open non-operating state.

Specifically, the bottom of the fixed base 2 is provided with a mandril hole 25 communicated with the limit groove 22, and the mandril 5 passes through the mandril hole 25.

Preferably, the lower end of the push rod 5 is connected with a handle 6, the upper end of the handle 6 is provided with a threaded hole 61, the lower end of the push rod 5 is provided with threads, and the lower end of the push rod 5 is screwed into the threaded hole 61 to fixedly connect the push rod 5 with the handle 6.

Preferably, the ejector rod 5 is sleeved with an extension spring 7, the extension spring 7 is clamped on the ejector rod 5 between the bottom of the fixed base 2 and the upper end of the handle 6, the upper end of the extension spring 7 is abutted against the lower end face of the fixed base 2, and the lower end of the extension spring is abutted against the upper end face of the handle 6.

The utility model discloses a concrete working process does: the handle 6 is rotated, the ejector rod 5 drives the ejector block 51 and the limiting block 52 to synchronously rotate until the long side part of the ejector block 51 is contacted with the clamping block 1, the ejector block 51 is used for ejecting acting force outwards from the inner side of the lower end part of the clamping block 1, the clamping block 1 rotates around the rotating pin 3 to finally realize closing to clamp a piece to be detected, then the limiting block 52 is pulled into the limiting groove 22 to be limited and fixed under the action of the stretching spring 7, the ejector rod 5 is prevented from rotating, and the stability of the ejector block 51 is conveniently kept to ensure that stable acting force is provided for the clamping block 1; under the non-working state, the rotating handle 6 is pushed upwards, so that the limiting block 52 moves upwards to move out of the limiting groove 22, and rotates 90 degrees to enable the short edge part of the top block 51 to face the clamping block 1, at the moment, the top block 51 does not provide stress for the clamping block 1 any more, and under the action of the elastic force of the spring 4, the two clamping blocks 1 are opened towards two sides rapidly.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick-clamp positioning device, comprising: the device comprises a clamping block (1), a fixed base (2), a rotating pin (3), a spring (4), a mandril (5), a handle (6) and an extension spring (7); the clamping blocks (1) are provided with two symmetrical structures, two T-shaped supporting arms (21) which are symmetrical and connected with each other are arranged on the fixed base (2) at intervals, the lower ends of the two clamping blocks (1) are connected between the two T-shaped supporting arms (21) through the rotating pin (3), and the clamping blocks (1) can rotate around the rotating pin (3); the top ends of the two clamping blocks (1) are provided with openings, the lower ends of the two clamping blocks (1) communicated with the openings are provided with grooves, after the two clamping blocks (1) are closed, the upper ends of the two clamping blocks form clamping openings for clamping the piece to be detected, and a cavity is formed between the two clamping blocks (1); the spring (4) is arranged between the two clamping blocks (1);

the upper end of the ejector rod (5) is provided with an integral ejector block (51) and a limiting block (52), a limiting groove (22) is formed in the fixing base (2) and located between the two T-shaped supporting arms (21), the ejector rod (5) vertically penetrates through the limiting groove (22) in the fixing base (2), the shape of the limiting groove (22) is matched with that of the limiting block (52) and used for limiting the limiting block (52), the ejector block (51) is driven to rotate by rotating the ejector rod (5), the ejector block (51) is in contact with the lower end of the clamping block (1), and the clamping block (1) rotates around the rotating pin (3) under the combined action of the ejector rod and a spring (4);

the push rod (5) is sleeved with an extension spring (7), the lower end of the push rod is connected with a handle (6), the upper end of the extension spring (7) is abutted to the lower end face of the fixed base (2), and the lower end of the extension spring is abutted to the upper end face of the handle (6).

2. The rapid clamping and positioning device according to claim 1, wherein a connecting arm (11) is provided at a lower end of the clamping block (1), a first connecting hole (12) is provided on the connecting arm (11), a second connecting hole (23) which is transversely communicated with the first connecting hole (12) and is used in cooperation with the first connecting hole is provided on a T-shaped supporting arm (21) of the fixing base (2), and the rotating pin (3) passes through the first connecting hole (12) and the second connecting hole (23) to connect the clamping block (1) to the fixing base (2).

3. The quick clamping and positioning device as claimed in claim 2, wherein the width of the connecting arm (11) is the same as the width of a clamping groove formed between the two T-shaped supporting arms (21), and the connecting arm (11) is clamped into the clamping groove and tightly attached to the inner sides of the T-shaped supporting arms (21).

4. A quick clamping and positioning device as claimed in claim 1, characterized in that the upper end projection of the T-shaped supporting arm (21) is provided with a spring hole (24), the clamping block (1) is provided with a circular groove (13) which is matched with the spring hole (24), the spring (4) passes through the spring hole (24) and the two ends are respectively clamped in the circular grooves (13) on the corresponding sides.

5. A quick clamping and positioning device according to claim 1, characterized in that said top block (51) comprises a long side portion and a short side portion, said long side portion being in contact with said clamping block (1) when said clamping block (1) is in the closed operative condition, and said short side portion being in contact with said clamping block (1) when said clamping block (1) is in the open inoperative condition.

6. The rapid clamping and positioning device according to claim 1, wherein the bottom of the fixed base (2) is provided with a mandril hole (25) communicated with the limit groove (22), and the mandril (5) passes through the mandril hole (25).

7. A quick clamping and positioning device as claimed in claim 1, characterized in that the lower end of the push rod (5) is connected with the handle (6), the upper end of the handle (6) is provided with a threaded hole (61), the lower end of the push rod (5) is provided with a thread, and the lower end of the push rod (5) is screwed into the threaded hole (61) to fixedly connect the push rod (5) with the handle (6).