CN219255310U

CN219255310U - Clamping jig with prevent pressing from both sides and hinder structure

Info

Publication number: CN219255310U
Application number: CN202223156813.9U
Authority: CN
Inventors: 卢寅崟; 郑志龙
Original assignee: Suzhou Hexin New Material Technology Co ltd
Current assignee: Suzhou Hexin New Material Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-27
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a clamping jig with a clamping injury prevention structure, which comprises a limiting plate, wherein a buffer cushion is connected with clamping jaws through three groups of bolts, the bolts are divided into a threaded part and an adjusting part, the clamping jaws are provided with limiting holes corresponding to the bolts, and the depth of each limiting hole is larger than that of each adjusting part of the bolts.

Description

Clamping jig with prevent pressing from both sides and hinder structure

Technical Field

The utility model relates to the technical field of clamping jigs, in particular to a clamping jig with a clamping injury prevention structure.

Background

The part is fixed in the course of working often to improve its stability in the course of working to help improving the machining precision, consequently will use the centre gripping tool, the centre gripping tool is the instrument that is used for the centre gripping article, and general tool will wait to process after the part centre gripping is fixed, cooperates corresponding processing tool to produce the shaping of processing.

The existing clamping jig is used for avoiding clamping damage to an object when the object is clamped, a buffer pad is installed at a clamping jaw to reduce clamping force directly applied to the object, the buffer pad is fixed in a rivet riveting mode in order to stabilize the installation of the buffer pad, the buffer pad is required to be replaced in a long-term use process, the riveting mode is unfavorable for replacement, a riveting point is easy to contact the clamped object, and the object is easy to scratch in the clamping process.

Disclosure of Invention

The utility model aims to provide a clamping jig with a clamping injury prevention structure so as to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the clamping jig comprises a limiting plate, wherein two ends of the limiting plate are bent downwards, two ends of the limiting plate are respectively connected with clamping jaws in a sliding manner, two groups of clamping jaws are symmetrically arranged, detachable buffer pads are respectively arranged at the bottoms of the two groups of clamping jaws, and the buffer pads are symmetrically arranged;

the buffer pad is connected with the clamping jaw through three groups of bolts, the bolts are divided into thread parts and adjusting parts, the clamping jaw corresponds to the bolts and is provided with limiting holes, and the depth of each limiting hole is larger than that of each bolt adjusting part.

Preferably, the buffer pad is close to one side integrated into one piece of clamping jaw has the stopper, the stopper is T shape, the stopper with clamping jaw sliding connection, the screw thread portion of bolt link up the stopper with screw threaded connection that the clamping jaw offered.

Preferably, the clamping jaw comprises a first connecting rod and a second connecting rod, two ends of the limiting plate are connected with the first connecting rod in a sliding mode, and the second connecting rod is integrally formed at the bottom of the first connecting rod.

Preferably, the electric putter is installed on the top of limiting plate, electric putter's output link up the limiting plate is connected with the connecting seat, the both ends of connecting seat articulate there is the third connecting rod, two sets of the other end of third connecting rod respectively with two sets of second connecting rod swing joint.

Preferably, the movable connection mode of the third connecting rod and the second connecting rod is through pin shaft connection, one side of the second connecting rod corresponds to the third connecting rod and is provided with a limit groove, the pin shaft is welded in the limit groove, and the pin shaft penetrates through one end of the third connecting rod.

Preferably, the outside of electric putter is provided with the link, the bottom of link with the limiting plate welds each other, the top welding of link has the connecting plate, the locating hole has all been seted up at the both ends of connecting plate.

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

1. according to the utility model, when the clamping jaw clamps an object, the two groups of symmetrically arranged buffer pads can play a role in buffering, so that the buffer pads are prevented from being clamped excessively to cause clamping damage of the object, the buffer pads are fixed by the bolts, the buffer pads can be conveniently replaced after being worn, and the depth of the limiting holes is larger than that of the bolt adjusting parts because the limiting holes are formed in the clamping jaw corresponding to the bolts, so that the bolts cannot contact the object when the clamping jaw clamps the object, the object is prevented from being scratched by the bolts, and compared with the traditional riveting mode of riveting the buffer pads by using rivets, the problems that the buffer pads are not easy to replace and the object is easy to scratch by riveting points are solved.

2. According to the utility model, the limit block is integrally formed on one side of the buffer cushion close to the clamping jaw, and is in a T shape and is in sliding connection with the clamping jaw, so that the buffer cushion can not shake easily when being mounted on the clamping jaw, and the phenomenon that the buffer cushion is not attached to the clamping jaw is avoided, thereby being beneficial to improving the buffer effect of the buffer cushion on a clamped object, and the buffer cushion can be fixed through the threaded connection of the threaded part of the bolt and the threaded hole formed in the clamping jaw.

Drawings

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

FIG. 2 is a semi-sectional view of the overall structure of the present utility model;

FIG. 3 is an enlarged view of the present utility model at structure A;

fig. 4 is a bottom view of the overall structure of the present utility model.

In the figure: 1. limiting plate, 2, blotter, 3, bolt, 4, spacing hole, 5, head rod, second connecting rod, 7, electric putter, 8, connecting seat, 9, third connecting rod, 10, round pin axle, 11, spacing groove, 12, link, 13, connecting plate, 14, locating hole, 15, stopper.

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.

Example 1

Referring to fig. 1-4, the utility model provides a clamping fixture with a clamping injury prevention structure, which comprises a limiting plate 1, wherein two ends of the limiting plate 1 are bent downwards, two ends of the limiting plate 1 are both connected with clamping jaws in a sliding manner, two groups of clamping jaws are symmetrically arranged, the bottoms of the two groups of clamping jaws are both provided with a detachable buffer cushion 2, and the buffer cushion 2 is symmetrically arranged;

the cushion pad 2 is connected with the clamping jaw through three groups of bolts 3, the bolts 3 are divided into thread parts and adjusting parts, the clamping jaw is provided with limiting holes 4 corresponding to the bolts 3, and the depth of the limiting holes 4 is larger than that of the adjusting parts of the bolts 3.

In this embodiment, the blotter 2 that two sets of symmetries set up can play the cushioning effect when the clamping jaw carries out the centre gripping to the article, prevent to excessively carry out the centre gripping to the article and lead to the fact the clamp of article hinder, utilize bolt 3 to fix blotter 2, can conveniently change it after blotter 2 wearing and tearing, and because the clamping jaw corresponds bolt 3 and has seted up spacing hole 4, the degree of depth of spacing hole 4 is greater than the degree of depth of bolt 3 regulation portion, make the clamping jaw when the centre gripping article, bolt 3 can not contact with the article, prevent bolt 3 fish tail article, compare in the tradition adoption rivet to carry out riveted mode to blotter 2, the difficult problem of changing and the easy fish tail article of riveting point has been solved.

Referring to fig. 2 and 4, a limiting block 15 is integrally formed on one side of the cushion pad 2, which is close to the clamping jaw, the limiting block 15 is in a T shape, the limiting block 15 is slidably connected with the clamping jaw, and a threaded portion of the bolt 3 penetrates through the limiting block 15 and is in threaded connection with a threaded hole formed in the clamping jaw.

In this embodiment, because the one side integrated into one piece that the blotter 2 is close to the clamping jaw has stopper 15, stopper 15 is T shape, and stopper 15 and clamping jaw sliding connection, can not produce easily and rock when making blotter 2 install on the clamping jaw, can not appear the phenomenon that blotter 2 and clamping jaw are not laminated to help improving the buffer effect of blotter 2 to the article being held, screw threaded connection through screw portion and the clamping jaw of bolt 3 can fix blotter 2.

Referring to fig. 1 and 4, the clamping jaw is composed of a first connecting rod 5 and a second connecting rod 6, two ends of the limiting plate 1 are slidably connected with the first connecting rod 5, the second connecting rod 6 is integrally formed at the bottom of the first connecting rod 5, an electric push rod 7 is mounted at the top end of the limiting plate 1, an output end of the electric push rod 7 penetrates through the limiting plate 1 to be connected with a connecting seat 8, two ends of the connecting seat 8 are hinged with a third connecting rod 9, the other ends of the two groups of third connecting rods 9 are movably connected with the two groups of second connecting rods 6 respectively, the movable connection mode of the third connecting rods 9 and the second connecting rods 6 is that one sides of the second connecting rods 6 are correspondingly provided with limiting grooves 11, pin shafts 10 are welded in the limiting grooves 11, one ends of the pin shafts 10 penetrate through the third connecting rods 9, connecting frames 12 are arranged outside the electric push rod 7, the bottom ends of the connecting frames 12 are welded with the limiting plate 1, connecting plates 13 are welded at the top ends of the connecting frames 12, and positioning holes 14 are formed at two ends of the connecting plates 13.

In this embodiment, since both ends of the limiting plate 1 are inclined downward, the two groups of first connecting rods 5 slide obliquely downward, when the output end of the electric push rod 7 stretches out, the connecting seat 8 is pushed to descend, one end of the third connecting rod 9 is hinged to the connecting seat 8, the other end of the third connecting rod is hinged to the second connecting rod 6 through the pin shaft 10, the third connecting rod 9 is pulled to rotate by taking a hinging point of the connecting seat 8 as a circle center when the connecting seat 8 descends, so that the two groups of second connecting rods 6 are pulled to be close to each other, the obliquely downward first connecting rods 5 are more beneficial to the movement of the second connecting rods 6, so that the two groups of clamping jaws are close to each other, the clamping jaws clamp objects, and because the connecting frame 12 is welded to the top end of the limiting plate 1 and the connecting plate 13, the clamping device can be connected with other parts through the positioning holes 14 by screws, and the clamping device is convenient to use.

Working principle: firstly, as the two ends of the limiting plate 1 are inclined downwards, the two groups of first connecting rods 5 slide downwards obliquely, when the output end of the electric push rod 7 stretches out, the connecting seat 8 is pushed to descend, as one end of the third connecting rod 9 is hinged with the connecting seat 8, the other end of the third connecting rod is hinged with the second connecting rod 6 through a pin shaft 10, the third connecting rod 9 is pulled to rotate by taking a hinging point with the connecting seat 8 as a circle center when descending along with the descending of the connecting seat 8, so that the two groups of second connecting rods 6 are pulled to be close to each other, the obliquely downward first connecting rods 5 are more beneficial to the movement of the second connecting rods 6, so that the mutual approaching of two groups of clamping jaws is completed, and the clamping jaws clamp objects;

the blotter 2 that two sets of symmetries set up can play the cushioning effect when the clamping jaw carries out the centre gripping to the article, prevent excessively carrying out the centre gripping to the article and lead to the fact the clamp of article to hinder, utilize bolt 3 to fix blotter 2, can conveniently change it after blotter 2 wearing and tearing, and because the clamping jaw corresponds bolt 3 and has seted up spacing hole 4, the degree of depth of spacing hole 4 is greater than the degree of depth of bolt 3 regulation portion, make the clamping jaw when the centre gripping article, bolt 3 can not contact with the article, prevent bolt 3 fish tail article, compare in the tradition adopts the rivet to carry out riveted mode to blotter 2, the difficult problem of changing and the easy fish tail article of riveting point has been solved.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described 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 and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a centre gripping tool with prevent pressing from both sides and hinder structure, includes limiting plate (1), its characterized in that: the two ends of the limiting plate (1) are bent downwards, the two ends of the limiting plate (1) are both connected with clamping jaws in a sliding manner, the two groups of clamping jaws are symmetrically arranged, the bottoms of the two groups of clamping jaws are both provided with detachable buffer cushions (2), and the buffer cushions (2) are symmetrically arranged;

the buffer pad (2) is connected with the clamping jaw through three groups of bolts (3), the bolts (3) are divided into thread parts and adjusting parts, the clamping jaw is provided with limiting holes (4) corresponding to the bolts (3), and the depth of the limiting holes (4) is larger than that of the adjusting parts of the bolts (3).

2. The clamping jig with anti-pinch structure according to claim 1, wherein: one side integrated into one piece that blotter (2) is close to the clamping jaw has stopper (15), stopper (15) are T shape, stopper (15) with clamping jaw sliding connection, the screw thread portion of bolt (3) link up stopper (15) with screw threaded connection that the clamping jaw was seted up.

3. The clamping jig with anti-pinch structure according to claim 1, wherein: the clamping jaw comprises a first connecting rod (5) and a second connecting rod (6), two ends of the limiting plate (1) are connected with the first connecting rod (5) in a sliding mode, and the bottom of the first connecting rod (5) is integrally formed with the second connecting rod (6).

4. The clamping jig with anti-pinch structure according to claim 3, wherein: the electric push rod (7) is installed on the top of limiting plate (1), the output of electric push rod (7) link up limiting plate (1) is connected with connecting seat (8), the both ends of connecting seat (8) are articulated have third connecting rod (9), two sets of the other end of third connecting rod (9) respectively with two sets of second connecting rod (6) swing joint.

5. The clamping jig with anti-pinch structure of claim 4, wherein: the movable connection mode of the third connecting rod (9) and the second connecting rod (6) is that the third connecting rod is connected through a pin shaft (10), one side of the second connecting rod (6) is provided with a limit groove (11) corresponding to the third connecting rod (9), the pin shaft (10) is welded in the limit groove (11), and the pin shaft (10) penetrates through one end of the third connecting rod (9).

6. The clamping jig with anti-pinch structure of claim 4, wherein: the outside of electric putter (7) is provided with link (12), the bottom of link (12) with limiting plate (1) welding each other, the top welding of link (12) has connecting plate (13), locating hole (14) have all been seted up at the both ends of connecting plate (13).