CN219403048U - Special fixture - Google Patents

Abstract

The utility model discloses a special fixture, which belongs to the technical field of fixtures and comprises a supporting plate, wherein the upper surface of the supporting plate is fixedly connected with a fixed plate, the inside of the connecting plate is provided with symmetrical limiting plates, one side surface of each limiting plate, which is far away from each other, is fixedly connected with symmetrical springs, the inside of each spring is sleeved with a telescopic rod, one ends of two groups of springs, which are far away from each other, are fixedly connected with the connecting plate, the outer surface of the connecting plate is provided with symmetrical threaded rods, one ends of the two threaded rods, which are close to each other, penetrate through the connecting plate and are in threaded connection with a threaded pipe, a placing plate is arranged in the connecting plate, the springs and the threaded rods drive the limiting plates to move in position through the connecting plate, the springs can drive the limiting plates to move better through the telescopic characteristics of the springs, and the connecting rods penetrate through the limiting plates under the cooperation of the connecting rods, so that the effect of supporting the placing plates is achieved.

Description

Special fixture

Technical Field

The utility model relates to the technical field of clamps, in particular to a special clamp.

Background

And (3) clamping: a device for fixing the processing object to occupy the correct position in the machine manufacturing process so as to receive the construction or detection.

The Chinese patent with the publication number of CN203343742U discloses a special fixture for machining, but in order to improve the precision and the qualification rate, the machining mode is easy to operate, the loading and unloading efficiency is higher, the fixture is convenient to maintain, the maintenance and repair cost is lower, so that the fixture cannot clamp different mechanical accessories, when clamping larger accessories, a worker is required to replace the fixture, the mode is slower, and the working efficiency of the worker is influenced, therefore, a special fixture is provided by a person skilled in the art, and the problem in the background art is solved.

Disclosure of Invention

The utility model aims to provide a special fixture for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a special fixture, includes the backup pad, the last fixed surface of backup pad is connected with the fixed plate, the top of fixed plate is equipped with the connecting plate, the inside of connecting plate is equipped with symmetrical limiting plate, every the equal fixedly connected with symmetrical spring of a side that the limiting plate kept away from each other, every the inside of spring all overlaps and is equipped with the telescopic link, two sets of the one end that the spring kept away from each other is common with connecting plate fixed connection, the surface of connecting plate is equipped with symmetrical threaded rod, every the equal fixedly connected with of one end that the threaded rod kept away from each other changes the handle, every the side that the limiting plate kept away from each other is all inlayed symmetrical screwed pipe, two the one end that the threaded rod kept away from each other runs through the connecting plate jointly and with screwed pipe threaded connection, the inside of connecting plate is equipped with places the board.

As still further aspects of the utility model: the outer surface of every limiting plate has all offered symmetrical notch, the inside of connecting plate is equipped with symmetrical connecting rod, every the both ends all run through the notch and with the inner wall fixed connection of connecting plate about the connecting rod.

As still further aspects of the utility model: the inside of fixed plate has seted up the cavity, the bottom of connecting plate runs through the cavity and extends to the inside of fixed plate, the surface of fixed plate is equipped with the bolt, two the one end that the bolt is close to each other runs through the fixed plate jointly and contacts with the connecting plate.

As still further aspects of the utility model: the bottom surface fixedly connected with four supporting legs of backup pad, every the bottom surface of supporting leg is all fixedly connected with supporting pad.

As still further aspects of the utility model: the upper surface fixedly connected with support frame of backup pad, the bottom surface fixedly connected with welding machine of support frame.

As still further aspects of the utility model: the upper surface of backup pad fixedly connected with control electric box, control electric box passes through the wire and is connected with the welding machine electricity.

As still further aspects of the utility model: the inside of every the spring all overlaps and is equipped with the telescopic link, every the left and right sides both ends of telescopic link are connected with connecting plate and limiting plate respectively.

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

this special fixture, through the connecting plate that sets up, under the cooperation of threaded rod and spring, make spring and threaded rod drive the limiting plate and carry out the position movement, and the flexible characteristic that spring itself possessed, make the better drive limiting plate of spring remove, prevent that the limiting plate from not contracting after the centre gripping finishes, place the board through setting up, under the cooperation of connecting rod, make the connecting rod run through the limiting plate, play the effect of supporting to placing the board, prevent that the weight that mechanical accessory itself possessed from leading to the bearing point of backup pad not enough, thereby influence the device to mechanical accessory's centre gripping.

Drawings

FIG. 1 is a perspective view of a special fixture;

FIG. 2 is a perspective view of a side view of a special fixture;

FIG. 3 is a perspective view of a top-down section of a special clamp;

fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

In the figure: 1. a support plate; 2. support legs; 3. a fixing plate; 4. a connecting plate; 5. controlling an electric box; 6. a support frame; 7. a welding machine; 8. a limiting plate; 9. a rotating handle; 10. a bolt; 11. placing a plate; 12. a notch; 13. a spring; 14. a threaded tube; 15. a threaded rod; 16. and (5) connecting a rod.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1-4, in the embodiment of the utility model, a special fixture comprises a supporting plate 1, the upper surface of the supporting plate 1 is fixedly connected with a fixing plate 3, a connecting plate 4 is arranged above the fixing plate 3, symmetrical limiting plates 8 are arranged in the connecting plate 4, symmetrical springs 13 are fixedly connected to one side surface of each limiting plate 8, which is far away from each other, telescopic rods are sleeved in the springs 13, one ends of two groups of springs 13, which are far away from each other, are fixedly connected with the connecting plate 4 together, symmetrical threaded rods 15 are arranged on the outer surface of the connecting plate 4, one ends of each threaded rod 15, which are far away from each other, are fixedly connected with rotating handles 9, one side surface of each limiting plate 8, which is far away from each other, are embedded with symmetrical threaded pipes 14, one ends of the two threaded rods 15, which are close to each other, penetrate through the connecting plate 4 together and are in threaded connection with the threaded pipes 14, and a placing plate 11 is arranged in the connecting plate 4.

The notch 12 of symmetry has all been seted up to the surface of every limiting plate 8, the inside of connecting plate 4 is equipped with symmetrical connecting rod 16, the notch 12 is all run through at the both ends about every connecting rod 16 and with the inner wall fixed connection of connecting plate 4, the cavity has been seted up to the inside of fixed plate 3, the cavity is run through to the bottom of connecting plate 4 and extend to the inside of fixed plate 3, the surface of fixed plate 3 is equipped with bolt 10, the one end that two bolts 10 are close to each other runs through fixed plate 3 jointly and contacts with connecting plate 4, the bottom surface fixedly connected with four supporting legs 2 of backup pad 1, the bottom surface of every supporting leg 2 is all fixedly connected with supporting pad, through the cavity that sets up, under the cooperation of bolt 10, make bolt 10 play fixed effect to fixed plate 3 and connecting plate 4.

The upper surface fixedly connected with support frame 6 of backup pad 1, the bottom surface fixedly connected with welding machine 7 of support frame 6, the upper surface fixedly connected with control electric box 5 of backup pad 1, control electric box 5 passes through the wire and is connected with the welding machine 7 electricity, the inside of every spring 13 all overlaps and is equipped with the telescopic link, the both ends are connected with connecting plate 4 and limiting plate 8 respectively about every telescopic link, through the telescopic link that sets up, under the cooperation of spring 13, make spring 13 and telescopic link remove and support limiting plate 8.

The working principle of the utility model is as follows: when the welding machine is used, a worker places the mechanical accessory on the placing plate 11, then rotates the two threaded rods 15, the two threaded rods 15 are connected with the threads of the threaded pipe 14 in a threaded mode, the threaded rods 15 drive the springs 13 and the limiting plates 8 to move, the moving limiting plates 8 clamp the mechanical accessory, and then the welding machine 7 is started to enable the welding machine 7 to process the mechanical accessory.

While the utility model has been described with reference to the preferred embodiments, it will be apparent to those skilled in the art that the utility model is not limited to the details of the exemplary embodiments and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, as long as the scope of the utility model is defined by the claims and its spirit and scope. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a special fixture, includes backup pad (1), its characterized in that, the last fixed surface of backup pad (1) is connected with fixed plate (3), the top of fixed plate (3) is equipped with connecting plate (4), the inside of connecting plate (4) is equipped with symmetrical limiting plate (8), every equal fixedly connected with symmetrical spring (13) of a side that limiting plate (8) kept away from each other, every the inside of spring (13) all overlaps and is equipped with the telescopic link, two sets of the one end that spring (13) kept away from each other is common with connecting plate (4) fixed connection, the surface of connecting plate (4) is equipped with symmetrical threaded rod (15), every equal fixedly connected with of one end that threaded rod (15) kept away from each other changes handle (9), every the equal mosaic of one side that limiting plate (8) kept away from each other has symmetrical screwed pipe (14), two the one end that threaded rod (15) are close to each other runs through connecting plate (4) jointly and with screwed pipe (14) threaded connection, the inside of connecting plate (4) is equipped with places board (11).

2. The special fixture according to claim 1, wherein the outer surface of each limiting plate (8) is provided with symmetrical notches (12), the inside of the connecting plate (4) is provided with symmetrical connecting rods (16), and the left end and the right end of each connecting rod (16) penetrate through the notches (12) and are fixedly connected with the inner wall of the connecting plate (4).

3. The special fixture according to claim 1, wherein the fixing plate (3) is internally provided with a cavity, the bottom end of the connecting plate (4) penetrates through the cavity and extends into the fixing plate (3), the outer surface of the fixing plate (3) is provided with bolts (10), and one ends, close to each other, of the two bolts (10) jointly penetrate through the fixing plate (3) and are in contact with the connecting plate (4).

4. The special fixture according to claim 1, wherein the bottom surface of the supporting plate (1) is fixedly connected with four supporting legs (2), and the bottom surface of each supporting leg (2) is fixedly connected with a supporting pad.

5. The special fixture according to claim 1, wherein the upper surface of the supporting plate (1) is fixedly connected with a supporting frame (6), and the bottom surface of the supporting frame (6) is fixedly connected with a welding machine (7).

6. The special fixture according to claim 1, characterized in that the upper surface of the supporting plate (1) is fixedly connected with a control electric box (5), and the control electric box (5) is electrically connected with the welding machine (7) through a wire.

7. A special fixture according to claim 1, wherein each spring (13) is internally sleeved with a telescopic rod, and the left and right ends of each telescopic rod are respectively connected with the connecting plate (4) and the limiting plate (8).