CN219521374U - Quick-change dovetail groove clamp - Google Patents

Abstract

The utility model relates to the technical field of machine tool fixtures and discloses a quick-change dovetail groove fixture which comprises a base and a clamping seat, wherein two supporting cylinders are fixedly arranged at the top end of the base, limiting cylinders are fixedly arranged in the two supporting cylinders, limiting assemblies are arranged on the surfaces of the two supporting cylinders, a dovetail groove is formed in the top end of the clamping seat, a mounting assembly is arranged on one side of the clamping seat, two limiting columns corresponding to the limiting cylinders are fixedly arranged at the bottom end of the clamping seat, and four limiting seats are slidably arranged at the bottom end of the clamping seat. The beneficial effects of the utility model are as follows: the base and the clamping seat are positioned in a double way, so that the clamping force is high, the loosening is not easy, and the clamping seat is convenient to replace quickly; the workpiece and the clamping seat are connected in a dovetail groove mode, so that the workpiece can be positioned and clamped, alignment on a machine tool is not needed, the machine tool downtime is greatly reduced, the clamping part is extremely small, and the tool is not easy to interfere.

Description

Quick-change dovetail groove clamp

Technical Field

The utility model belongs to the technical field of machine tool fixtures, and relates to a fixture, in particular to a quick-change dovetail groove fixture.

Background

As multi-axis machine tools increasingly enter factories, the clamps of multi-axis machine tools are paid attention to by more manufacturers, and the traditional multi-axis machine tool clamps mainly comprise chucks. The chuck is large in size and fixed on the outer side of a workpiece, and interference is easy to generate during machining; the chuck fixes the workpiece in a line contact mode, and the workpiece with insufficient clamping force is easily loosened due to the influence of vibration in the machining process; when the chuck processes a non-circular workpiece, the alignment is long in time consumption and must be performed on a machine tool, and the utilization rate of the machine tool is low; and when the multi-axis machine tool is used for machining non-circular parts, the parts are required to be aligned on the machine tool, the alignment time is long, the machine tool cannot machine the parts in the alignment process, and the downtime is long.

Disclosure of Invention

The utility model aims to provide a quick-change dovetail groove clamp, which solves the problems that the clamping force is insufficient, parts are loose and the alignment time is long in the background technology.

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

the utility model provides a quick change formula dovetail anchor clamps, includes base and holder, the fixed two support barrels that are equipped with in top of base, two the inside of supporting the barrel is all fixed and is equipped with spacing section of thick bamboo, two the surface of supporting the barrel is equipped with spacing subassembly, the dovetail has been seted up on the top of holder, one side of holder is equipped with the installation component, the bottom mounting of holder is equipped with two spacing posts corresponding with spacing section of thick bamboo, the bottom slip of holder is equipped with four spacing seats.

Preferably, the limiting assembly comprises four limiting cylinders, four limiting plates and four placing grooves, wherein the four limiting cylinders are respectively and fixedly arranged on the surfaces of the two supporting cylinders, the four limiting plates are respectively and fixedly arranged at the telescopic ends of the four limiting cylinders, and the four placing grooves are respectively arranged on the inner walls of the two sides of the two supporting cylinders and correspond to the positions of the limiting plates.

Preferably, two sliding grooves are formed in the bottom end of the clamping seat, sliding blocks are connected inside the two sliding grooves in a sliding mode, four limiting seats are fixedly arranged at the bottom ends of the four sliding blocks respectively, and one sides of the four sliding blocks are connected with the sliding grooves through reset springs.

Preferably, the bottoms of the two limiting cylinders are provided with limiting grooves corresponding to the limiting seats in shape.

Preferably, the installation component includes three mounting groove, three screw hole and three mount pad, and is three the mounting groove is seted up in one side of cassette, and is three the screw hole is seted up in one side of cassette, and is three the mount pad sets up respectively in the inside of three mounting groove, and is three the counter bore has all been seted up to the bottom of mount pad, and is three the fixing screw is all installed to the inside in counter bore, three fixing screw respectively with three screw hole threaded connection.

Preferably, the adjusting grooves are formed in two sides of the three mounting grooves, and adjusting blocks in sliding fit with the adjusting grooves are fixedly arranged on two sides of the three mounting seats.

Preferably, the bottom end fixing of base is equipped with the mounting panel, the mounting hole has all been seted up to four corners of mounting panel.

Compared with the related art, the quick-change dovetail groove clamp provided by the utility model has the following beneficial effects:

1. the quick-change dovetail groove clamp has the advantages that the base and the clamp seat are positioned in a double mode, the clamping force is high, looseness is not easy to occur, and the clamp seat is convenient to replace quickly;

2. the quick-change dovetail groove clamp has the advantages that the workpiece and the clamp seat are connected in a dovetail groove mode, so that the workpiece can be positioned and clamped, alignment on a machine tool is not needed, the downtime of the machine tool is greatly reduced, the clamping part is extremely small, and the tool is not easy to interfere.

Drawings

FIG. 1 is a schematic view of a quick-change dovetail clamp according to the present utility model;

FIG. 2 is a schematic diagram of an exploded view of a quick-change dovetail clamp according to the present utility model;

FIG. 3 is a schematic view of the bottom structure of FIG. 2 of a quick-change dovetail clamp of the present utility model;

FIG. 4 is a schematic view of the structure of the base of a quick-change dovetail clamp according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the quick-change dovetail groove clamp of FIG. 3;

FIG. 6 is an enlarged schematic view of a limiting assembly of a quick-change dovetail clamp according to the present utility model;

FIG. 7 is an enlarged schematic view of the mounting assembly of a quick-change dovetail clamp according to the present utility model.

In the figure: 1. a base; 2. a mounting plate; 201. a mounting hole; 3. a support cylinder; 4. a limiting cylinder; 401. a limit groove; 5. a limit component; 501. a limit cylinder; 502. a limiting plate; 503. a placement groove; 6. a clamping seat; 601. a dovetail groove; 7. a limit column; 8. a chute; 9. a limit seat; 10. a slide block; 11. a return spring; 12. a mounting assembly; 1201. a mounting groove; 1202. an adjustment tank; 1203. a threaded hole; 1204. a mounting base; 1205. an adjusting block; 1206. a countersunk hole; 1207. and (5) fixing the screw rod.

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. 1-7, the utility model provides a quick-change dovetail groove clamp, which comprises a base 1 and a clamping seat 6, wherein two supporting cylinders 3 are fixedly arranged at the top end of the base 1, limiting cylinders 4 are fixedly arranged inside the two supporting cylinders 3, limiting assemblies 5 are arranged on the surfaces of the two supporting cylinders 3, a dovetail groove 601 is formed in the top end of the clamping seat 6, a mounting assembly 12 is arranged on one side of the clamping seat 6, two limiting columns 7 corresponding to the limiting cylinders 4 are fixedly arranged at the bottom end of the clamping seat 6, and four limiting seats 9 are slidably arranged at the bottom end of the clamping seat 6.

Two spouts 8 have been seted up to the bottom of cassette 6, and the inside of two spouts 8 is all sliding connection has slider 10, and four spacing seats 9 are fixed respectively and are set up in the bottom of four sliders 10, and one side of four sliders 10 is all connected with spout 8 through reset spring 11.

The bottoms of the two limiting cylinders 4 are provided with limiting grooves 401 corresponding to the limiting seats 9 in shape.

The bottom mounting of base 1 is equipped with mounting panel 2, and mounting hole 201 has all been seted up to four corners of mounting panel 2.

The limiting assembly 5 comprises four limiting air cylinders 501, four limiting plates 502 and four placing grooves 503, wherein the four limiting air cylinders 501 are respectively and fixedly arranged on the surfaces of the two supporting cylinders 3, the four limiting plates 502 are respectively and fixedly arranged at the telescopic ends of the four limiting air cylinders 501, and the four placing grooves 503 are respectively arranged on the inner walls of the two sides of the two supporting cylinders 3 and correspond to the positions of the limiting plates 502.

Specifically, as shown in fig. 1, 2, 3, 4, 5 and 6, the limit post 7 of the clamping seat 6 is firstly installed in the limit cylinder 4, meanwhile, the limit seat 9 is inserted in the support cylinder 3, then four limit cylinders 501 are started, the piston ends of the four limit cylinders 501 extend to drive the four limit plates 502 to move, and the four limit seats 9 are pushed to move under the sliding fit of the sliding block 10 and the sliding groove 8, so that the four limit seats 9 correspond to the limit grooves 401 of the limit cylinder 4, and the clamping seat 6 is doubly positioned.

Example 2:

the mounting assembly 12 comprises three mounting grooves 1201, three threaded holes 1203 and three mounting seats 1204, the three mounting grooves 1201 are formed in one side of the clamping seat 6, the three threaded holes 1203 are formed in one side of the clamping seat 6, the three mounting seats 1204 are respectively arranged in the three mounting grooves 1201, counter sunk holes 1206 are formed in the bottoms of the three mounting seats 1204, fixing screws 1207 are respectively arranged in the three counter sunk holes 1206, and the three fixing screws 1207 are respectively in threaded connection with the three threaded holes 1203.

The adjustment slots 1202 are formed in two sides of the three mounting slots 1201, and the adjustment blocks 1205 in sliding fit with the adjustment slots 1202 are fixedly arranged on two sides of the three mounting seats 1204.

Specifically, as shown in fig. 1, 2, 3 and 7, the bottom of the workpiece is first milled and then mounted on the dovetail groove 601 of the holder 6, then the mounting seats 1204 are mounted in the three mounting grooves 1201, the adjusting blocks 1205 of the mounting seats 1204 are slid in the adjusting grooves 1202, the fixing screws 1207 are mounted in the counter bores 1206, and the fixing screws 1207 are screwed with the screw bores 1203, thereby defining the position of the workpiece.

Working principle: when the quick-change dovetail groove clamp is used, firstly, the mounting plate 2 is fixedly mounted on a flange plate of a machine tool workbench or a rotating shaft through four mounting holes 201, then, the limit posts 7 of the clamping seat 6 are mounted in the limit cylinder 4, meanwhile, the limit seats 9 are inserted into the support cylinder 3, then, four limit cylinders 501 are started, the piston ends of the four limit cylinders 501 extend to drive four limit plates 502 to move, and the four limit seats 9 are pushed to move under the sliding fit of the sliding blocks 10 and the sliding grooves 8, so that the four limit seats 9 correspond to the limit grooves 401 of the limit cylinder 4, and double positioning is carried out on the clamping seat 6; then, the bottom of the workpiece is milled and then mounted on the dovetail groove 601 of the clamping seat 6, then the mounting seats 1204 are mounted in the three mounting grooves 1201, the adjusting blocks 1205 of the mounting seats 1204 slide in the adjusting grooves 1202, the fixing screw 1207 is mounted in the counter bore 1206, and the fixing screw 1207 is in threaded connection with the threaded hole 1203, so that the position of the workpiece is limited.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a quick change formula dovetail anchor clamps, includes base (1) and cassette (6), its characterized in that, the top of base (1) is fixed and is equipped with two support section of thick bamboo (3), two the inside of support section of thick bamboo (3) is all fixed and is equipped with spacing section of thick bamboo (4), two the surface of support section of thick bamboo (3) is equipped with spacing subassembly (5), dovetail (601) have been seted up on the top of cassette (6), one side of cassette (6) is equipped with installation component (12), the bottom mounting of cassette (6) is equipped with two spacing post (7) corresponding with spacing section of thick bamboo (4), the bottom slip of cassette (6) is equipped with four spacing seats (9).

2. The quick-change dovetail groove clamp of claim 1, wherein: limiting component (5) are including four spacing cylinders (501), four limiting plate (502) and four standing groove (503), four limiting cylinder (501) are fixed respectively and are set up in the surface of two support section of thick bamboo (3), four limiting plate (502) are fixed respectively and are set up the flexible end at four limiting cylinder (501), four standing groove (503) are offered respectively at the inner wall of two support section of thick bamboo (3) both sides, and correspond with the position of limiting plate (502).

3. The quick-change dovetail groove clamp of claim 1, wherein: two sliding grooves (8) are formed in the bottom end of the clamping seat (6), sliding blocks (10) are slidably connected in the sliding grooves (8), the limiting seats (9) are fixedly arranged at the bottom ends of the sliding blocks (10) respectively, and one sides of the sliding blocks (10) are connected with the sliding grooves (8) through reset springs (11).

4. The quick-change dovetail groove clamp of claim 1, wherein: limiting grooves (401) corresponding to the limiting seats (9) in shape are formed in the bottoms of the two limiting cylinders (4).

5. The quick-change dovetail groove clamp of claim 1, wherein: the mounting assembly (12) comprises three mounting grooves (1201), three threaded holes (1203) and three mounting seats (1204), wherein the three mounting grooves (1201) are formed in one side of the clamping seat (6), the three threaded holes (1203) are formed in one side of the clamping seat (6), the three mounting seats (1204) are respectively arranged in the three mounting grooves (1201), counter sunk holes (1206) are formed in the bottoms of the mounting seats (1204), fixing screws (1207) are respectively arranged in the counter sunk holes (1206), and the three fixing screws (1207) are respectively in threaded connection with the three threaded holes (1203).

6. The quick-change dovetail groove clamp of claim 5, wherein: the two sides of the three mounting grooves (1201) are provided with adjusting grooves (1202), and the two sides of the three mounting seats (1204) are fixedly provided with adjusting blocks (1205) which are in sliding fit with the adjusting grooves (1202).

7. The quick-change dovetail groove clamp of claim 1, wherein: the bottom end fixing of base (1) is equipped with mounting panel (2), mounting hole (201) have all been seted up to four corners of mounting panel (2).