CN219426641U - Clamp for special-shaped part - Google Patents

Abstract

The utility model discloses a clamp for special-shaped parts, which comprises a clamping seat, a telescopic rod I, a first linkage piece and a gear. This a anchor clamps for abnormal shape part is through symmetrical arrangement grip slipper in the installation fixed establishment, parcel to abnormal shape part, simultaneously through two adjacent grip slipper of spring pulling of an inside setting of telescopic link, utilize the elastic deformation of telescopic spring in order to adapt to not unidimensional abnormal shape part and carry out preliminary centre gripping to abnormal shape part, simultaneously utilize first linkage spare in the linkage adjustment structure, the gear, second linkage spare and grip slipper further carry out the centre gripping to abnormal shape part, extrude first linkage spare through the gravity effect of abnormal shape part self, thereby drive first linkage spare and slide in the vertical direction, the gear is rotated, and then drive second linkage spare and grip slipper slide in the horizontal direction, carry out further centre gripping to abnormal shape part, avoid using drive assembly drive such as cylinder to realize the centre gripping effect, labour saving and time saving.

Description

Clamp for special-shaped part

Technical Field

The utility model relates to a clamping device, in particular to a clamp for special-shaped parts, and belongs to the technical field of machine tool clamps.

Background

The fixture is a device for fixing a machining object in a correct position in a mechanical manufacturing process so as to receive construction or detection, and is also called a fixture in a broad sense, and a device for rapidly, conveniently and safely mounting a workpiece in any process in the process can be called a fixture, wherein a special-shaped part, such as a shaft-shaped part, is also used as a corresponding fixture in machining.

According to a fixture device of bulletin number CN218503935U, including anchor clamps support and fixed subassembly, be provided with fixed station on the anchor clamps support, fixed subassembly includes the cylinder and prevent the bits module, the cylinder of cylinder is installed on fixed station, be formed with the pressing jaw on the piston rod of cylinder, pressing jaw accessible fixed station stretches out in fixed station for the location, prevent bits module sealing connection between fixed station and pressing jaw, this fixture device will prevent bits module sealing connection between fixed station and pressing jaw, neither influence the normal motion of cylinder and the pressing jaw that forms on its piston rod, can let the iron fillings discharge fast from anchor clamps support top again, prevent that the iron fillings from falling onto the cylinder of cylinder, simultaneously can avoid the iron fillings to stay on the cylinder, effectively prevent the emergence of security risk, however, the device adopts the cylinder to drive the centre gripping, if the flexible volume of cylinder is too big, can lead to the part to be extrudeed and damage, if the flexible volume of cylinder is too little, then unable to lock the part completely, consequently still need be connected with outside control equipment, complicated operation and waste time and energy.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem that the prior art solution is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art and providing a clamp for special-shaped parts.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a clamp for profiled parts, comprising:

the support mechanism is used for supporting the whole clamp and comprises clamping seats and a telescopic rod I, wherein the two clamping seats are symmetrically arranged, the telescopic rod I is horizontally fixed between the two adjacent clamping seats, and a spring is arranged in the telescopic rod I;

the linkage adjusting structure is used for clamping the special-shaped part and is connected to the supporting mechanism, the special-shaped part comprises a first linkage piece, a gear, a second linkage piece, a clamping piece, a first rack and a second rack, an installation cavity is formed in the clamping seat, the first linkage piece (3) is slidably connected to the clamping seat in the vertical direction, the bottom end of the first linkage piece is inserted into the installation cavity, one side of the first linkage piece is connected with the first rack, the first rack is meshed with the gear, the gear is horizontally rotationally connected in the installation cavity, the second linkage piece is slidably connected in the installation cavity, the second rack is arranged at the bottom of the second linkage piece in the horizontal direction, the second rack is meshed with the gear, and the clamping piece is arranged at the top of the second linkage piece.

As still further aspects of the utility model: the top of the second linkage piece is provided with a dovetail groove along the horizontal direction, the bottom of the clamping piece is provided with a dovetail block, and the dovetail block is inserted into the dovetail groove.

As still further aspects of the utility model: a second telescopic rod is connected between the clamping piece and the second linkage piece, and a spring is arranged in the second telescopic rod.

As still further aspects of the utility model: the clamping seat, the first linkage piece, the gear, the second linkage piece and the clamping piece are all manufactured by welding high-carbon steel materials.

As still further aspects of the utility model: the clamping end of the clamping piece is arranged in an arc shape, and a rubber gasket is arranged on the clamping end.

As still further aspects of the utility model: the bottom of the clamping seat is provided with a roller seat, and a universal wheel is arranged in the roller seat.

The beneficial effects of the utility model are as follows:

the clamping seats are symmetrically arranged in the installation and fixing mechanism to wrap the special-shaped parts, meanwhile, the adjacent two clamping seats are pulled through the spring arranged in the telescopic rod, and the elastic deformation of the telescopic spring is utilized to adapt to the special-shaped parts with different sizes and to preliminarily clamp the special-shaped parts. Simultaneously utilize first linkage spare, gear, second linkage spare and the holder in the linkage adjustment structure to further carry out the centre gripping to abnormal shape part, promptly through placing abnormal shape part on the grip slipper, extrude first linkage spare through the gravity effect of abnormal shape part self to drive first linkage spare and slide in the vertical direction, driven the gear and take place to rotate, and then drive second linkage spare and holder and slide in the horizontal direction, carry out further centre gripping to abnormal shape part, avoid using drive assembly drive such as cylinder to realize the centre gripping effect, labour saving and time saving.

Drawings

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

FIG. 2 is a schematic diagram of the linkage adjustment structure connection of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

in the figure: 1. clamping seat 2, telescopic rod one, 3, first linkage element, 4, gear, 5, second linkage element, 6, clamping element, 7, a first rack, 8, a second rack, 9, a dovetail groove, 10, a second telescopic rod, 11, a rubber gasket, 12 and a universal wheel.

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

As shown in fig. 1 to 4, a jig for a profiled part, comprising:

the support mechanism is used for supporting the whole clamp and comprises clamping seats 1 and telescopic rods I2, wherein the two clamping seats 1 are symmetrically arranged, the telescopic rods I2 are horizontally fixed between the two adjacent clamping seats 1, and springs are arranged in the telescopic rods I2;

the linkage adjusting structure is used for clamping the special-shaped part and is connected to the supporting mechanism and comprises a first linkage part 3, a gear 4, a second linkage part 5, a clamping part 6, a first rack 7 and a second rack 8, an installation cavity is formed in the clamping seat 1, the first linkage part 3 is connected to the clamping seat 1 in a sliding mode along the vertical direction, the bottom end of the first linkage part 3 is inserted into the installation cavity, one side of the first linkage part 3 is connected with the first rack 7, the first rack 7 is meshed with the gear 4, the gear 4 is horizontally connected in the installation cavity in a rotating mode, the second linkage part 5 is connected in the installation cavity in a sliding mode, the second rack 8 is arranged at the bottom of the second linkage part 5 in the horizontal direction and meshed with the gear 4, and the clamping part 6 is arranged at the top of the second linkage part 5;

this a anchor clamps for abnormal shape part encircles parcel through symmetrical arrangement grip slipper 1, simultaneously through the spring pulling two adjacent grip slipper 1 that telescopic link 2 inside set up, utilize the elastic deformation of telescopic spring in order to adapt to the abnormal shape part of equidimension and carry out preliminary centre gripping to the abnormal shape part, utilize first linkage 3 in the linkage regulation structure simultaneously, gear 4, second linkage 5 and grip slipper 6 further carry out the centre gripping to the abnormal shape part, promptly through placing the abnormal shape part on grip slipper 1, extrude first linkage 3 through the gravity effect of abnormal shape part self, thereby drive first linkage 3 slides in the vertical direction, drive gear 4 takes place to rotate, and then drive second linkage 5 and grip slipper 6 slide in the horizontal direction, carry out further centre gripping to the abnormal shape part, avoid using drive assembly drive such as cylinder to realize the centre gripping effect, labour saving and time saving.

Example two

As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:

the top of the second linkage member 5 is provided with a dovetail groove 9 along the horizontal direction, the bottom of the clamping member 6 is provided with a dovetail block, and the dovetail block is inserted in the dovetail groove 9, and the possibility that the clamping member 6 falls off in the sliding process is reduced to a certain extent because the opening of the dovetail groove 9 is in a contracted shape.

The telescopic rod II 10 is connected between the clamping piece 6 and the second linkage piece 5, a spring is arranged in the telescopic rod II 10, vibration in the clamping processing process is dissipated through elastic deformation of the compression spring II, damage caused by abnormal parts due to direct rigid fixation is reduced, meanwhile, the telescopic rod II 10 has a certain guiding function, and the possibility of deflection in the moving process of the clamping piece 6 is reduced to a certain extent.

Example III

As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:

the clamping holder 1, the first linkage piece 3, the gear 4, the second linkage piece 5 and the clamping piece 6 are all manufactured by welding high carbon steel materials, so that the integral rigidity of the device is enhanced.

The clamping end of the clamping piece 6 is arranged in an arc shape, the rubber gasket 11 is arranged on the clamping end, energy is dissipated to shaking in the clamping processing process through the arrangement of the rubber gasket 11, and the phenomenon that the surface of the special-shaped part is damaged due to direct rigid contact is avoided.

The bottom of the clamping seat 1 is provided with a roller seat, and the roller seat is internally provided with a universal wheel 12, so that the whole movement of the device is facilitated.

Working principle: the clamping seat 1 is pulled to put the special-shaped part into the clamping seat 1, the special-shaped part is initially clamped, the first transmission part is extruded under the gravity action of the special-shaped part, so that the first linkage part 3 is driven to slide in the vertical direction, the gear 4 is driven to rotate, the second linkage part 5 and the clamping part 6 are driven to slide in the horizontal direction, and the special-shaped part is further clamped.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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 (6)

1. A clamp for profiled parts, comprising:

the support mechanism is used for supporting the whole clamp and comprises clamping seats (1) and telescopic rods I (2), wherein two clamping seats (1) are symmetrically arranged, the telescopic rods I (2) are horizontally fixed between two adjacent clamping seats (1), and springs are arranged in the telescopic rods I (2);

the linkage adjusting structure is used for clamping special-shaped parts and comprises a first linkage part (3), a gear (4), a second linkage part (5), a clamping part (6), a first rack (7) and a second rack (8), wherein an installation cavity is formed in the clamping seat (1), the first linkage part (3) is slidably connected to the clamping seat (1) along the vertical direction, the bottom end of the first linkage part (3) is inserted into the installation cavity, one side of the first linkage part (3) is connected with the first rack (7), the first rack (7) is meshed with the gear (4), the gear (4) is horizontally rotatably connected in the installation cavity, the second linkage part (5) is slidably connected in the installation cavity, the second rack (8) is arranged at the bottom of the second linkage part (5) along the horizontal direction and is meshed with the gear (4), and the clamping part (6) is arranged at the top of the second linkage part (5).

2. A clamp for profiled parts as claimed in claim 1, characterized in that: the top of the second linkage piece (5) is provided with a dovetail groove (9) along the horizontal direction, the bottom of the clamping piece (6) is provided with a dovetail block, and the dovetail block is inserted into the dovetail groove (9).

3. A clamp for profiled parts as claimed in claim 1, characterized in that: a second telescopic rod (10) is connected between the clamping piece (6) and the second linkage piece (5), and a spring is arranged in the second telescopic rod (10).

4. A clamp for profiled parts as claimed in claim 1, characterized in that: the clamping seat (1), the first linkage piece (3), the gear (4), the second linkage piece (5) and the clamping piece (6) are all manufactured by welding high-carbon steel materials.

5. A clamp for profiled parts as claimed in claim 1, characterized in that: the clamping end of the clamping piece (6) is arranged in an arc shape, and a rubber gasket (11) is arranged on the clamping end.

6. A clamp for profiled parts as claimed in claim 1, characterized in that: the bottom of the clamping seat (1) is provided with a roller seat, and a universal wheel (12) is arranged in the roller seat.