CN214641918U

CN214641918U - Structure of tool clamp capable of being replaced quickly

Info

Publication number: CN214641918U
Application number: CN202120642031.2U
Authority: CN
Inventors: 邓健; 杨著; 陈晓霞
Original assignee: Zhejiang Hangqu Automobile Technology Co ltd
Current assignee: Zhejiang Hangqu Automobile Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-09
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a structure of quick change dress fixture, including quick change coupler, quick change base and plug pin, quick change coupler fixes on frock fixture, and the quick change base is fixed on equipment, is equipped with reference column and fixed through-hole on the quick change coupler, is equipped with reference column locating hole and plug pin locating hole on the quick change base, aligns the reference column locating hole that inserts on the quick change base with quick change coupler's reference column during installation, adjusts frock fixture direction and makes plug pin locating hole and the fixed through-hole on the reference column be on a straight line, passes plug pin locating hole and fixed through-hole with the plug pin, frock fixture is installed and is fixed on equipment promptly; when the quick-change connector is disassembled, the plug pin is pulled out, and the quick-change connector is taken down. The utility model discloses need not to relapse to the hole alignment position, can be fast convenient switching equipment on frock clamp, the installation stability is good, operating personnel need not with equipment direct contact when switching frock clamp, the security is good to the multiple frock clamp of adaptation.

Description

Structure of tool clamp capable of being replaced quickly

Technical Field

The utility model relates to a frock clamp structure especially relates to a structure of quick frock clamp that reloads.

Background

At present, with the arrival of the industrial 4.0 and intelligent manufacturing era, the competitive advantage of homogeneous products is eliminated, and the transformation customized production puts higher requirements on the flexibility and the working efficiency of equipment. Because different work pieces need be equipped with corresponding frock clamp, it is the operation that frequently appears in the production process to change frock clamp, therefore how to let equipment compatible multiple frock clamp and can switch over fast safely, is the problem that awaits a urgent need to be solved.

For example, a "quick-change tooling device applied to a fixture in machine tool machining" disclosed in chinese patent document, whose publication number CN207058155U, includes a base plate and a tooling plate; the foundation plate is provided with a foundation plate positioning hole for positioning the foundation plate on the machine tool workbench, the foundation plate positioning hole corresponds to the position of the positioning hole on the machine tool workbench, the tooling plate is provided with a tooling plate positioning hole for positioning the tooling plate on the foundation plate, the tooling plate positioning hole corresponds to the position of the foundation plate positioning hole, and the foundation plate and the tooling plate are connected together through the foundation plate positioning hole and the tooling plate positioning hole by positioning pins. This tooling device uses the fixed frock board of changing of a plurality of hexagon socket head cap screws, and the operation of twisting the bolt expends time much, influences production efficiency.

Disclosure of Invention

The utility model relates to an overcome the not high problem of change frock clamp efficiency under the prior art, provide a structure that changes frock clamp fast, this structure can make frock clamp on the fast convenient switching equipment of frock clamp, need not to relapse to the hole alignment position to the multiple frock clamp of adaptation.

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

a structure of a quick-change tooling fixture comprises a quick-change connector, a quick-change base and a plug pin, wherein a positioning column is arranged on the quick-change connector, a fixing through hole for the plug pin to pass through is formed in the positioning column, a positioning column positioning hole capable of being sleeved with the positioning column is formed in the quick-change base, a plug pin positioning hole for the plug pin to pass through is formed in the quick-change base, the top surface, the side surface and the back surface of the quick-change base can be fixed with equipment, the quick-change base does not need to move when the tooling fixture is changed, the quick-change connector is fixed on the tooling fixture, the positioning column of the quick-change connector is aligned to the positioning column positioning hole inserted into the quick-change base during changing, the direction of the tooling fixture is adjusted to enable the plug pin positioning hole and the fixing through hole in the positioning column to be on the same straight line, the plug pin passes through the plug pin positioning hole and the fixing through hole, the quick-change connector and the quick-change base are fixed, and the assembly of the tooling fixture is completed; when the tool fixture is disassembled, the plug pin is pulled out, the quick-change connector is taken down, and the tool fixture is separated from the equipment; the quick frock clamp that reloads' structure reloads work efficiency height, firm in connection, installation stability is good to operating personnel need not with equipment direct contact when switching frock clamp, has improved the security.

Preferably, a guide post is arranged below the fixing through hole on the positioning post, and a guide groove capable of being clamped with the guide post is arranged at the bottom of the quick-change base. When the quick-change connector is inserted into the quick-change base, the guide columns and the guide grooves guide the plug pin positioning holes to be aligned with the fixing through holes, the replacement and installation time is reduced, and meanwhile, the rotation of the quick-change connector relative to the quick-change base is limited.

Preferably, the guide groove has a wide opening and a narrow bottom. The wide structure of opening of guide way is convenient for the guide post to aim at and gets into the guide way, and the guide post is convenient for block to the narrow guide way bottom, tentatively restricts the relative position of quick change coupler and quick change base.

Preferably, the bottom of the quick-change connector is provided with a plurality of mounting holes. Through the mounting hole, the bottom of the quick-change connector is fixed with the tool clamp, the quick-change connector and the tool clamp can be switched together during the reloading operation, the quick-change connector serves as a tool clamp which is compatible with different general structures, and the adaptability and the flexibility of the structure of the quick-change tool clamp are improved.

Preferably, the tail end of the plug pin is provided with a plurality of spring balls, and the spring balls protrude out of the surface of the plug pin. When the plug pin is inserted into the quick-change connector and the quick-change base, the spring marble is compressed into the plug pin, the plug pin can pass through the plug pin positioning hole and the fixing through hole, and after the tail end of the plug pin penetrates out of the plug pin positioning hole, the spring marble rebounds to protrude out of the surface of the plug pin, so that a locking effect is achieved, and the tail end of the plug pin is prevented from reversely sliding out of the plug pin positioning hole; when the plug pin is subjected to the outward pulling force, the spring marble is compressed under the pressure of the plug pin positioning hole and the wall of the fixing through hole, and the plug pin is pulled out.

Preferably, the top end of the plug pin is provided with a blocking part, and the size of the blocking part is larger than that of the plug pin positioning hole. The stop part of the plug pin can not penetrate through the plug pin positioning hole, the plug pin is prevented from being positioned too far, the stop part is matched with the spring marble, the plug pin can be effectively prevented from sliding back and forth in the direction of the rear edge hole of the quick-change connector and the quick-change base, and the stability is enhanced.

Preferably, the blocking portion is provided with a pull ring. An operator can pull the pull ring to extract the plug pin, so that the operation is convenient and labor-saving.

Therefore, the utility model discloses following beneficial effect has: (1) the operation is simple and convenient, the hole alignment position is not required to be repeatedly aligned, and the replacement work efficiency is high; (2) the universal quick-change mechanism is a universal quick-change mechanism of equipment, has good adaptability, can be compatible with different tool fixtures, and can be produced and applied in large scale; (3) firm in connection, the installation stability is good, need not with equipment direct contact when operating personnel switches frock clamp, the safety of reloading is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the quick-change base of the present invention.

Fig. 3 is a schematic structural view of the quick-change coupler of the present invention.

Fig. 4 is a schematic structural view of the plug pin of the present invention.

Fig. 5 is a front view of the quick-change coupler of the present invention inserted into the quick-change base.

Fig. 6 is a side view of the present invention after installation.

In the figure: 1-quick-change base, 11-positioning column, 12-fixing through hole, 13-guiding column, 14-mounting hole, 2-quick-change connector, 21-positioning hole, 22-plug pin positioning hole, 23-guiding groove, 3-plug pin, 31-spring marble, 32-blocking part and 33-pull ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, a quick-change tooling fixture structure includes a quick-change coupler 1, a quick-change base 2, and an insertion and extraction pin 3.

As shown in fig. 2, the quick-change connector 1 includes a disc-shaped bottom plate and a positioning column 11 with a bottom end perpendicular to the bottom plate, four mounting holes 14 are provided on the bottom plate, the quick-change connector 1 is fixed on the tool fixture through the mounting holes 14, the positioning column 11 is cylindrical, a fixing through hole 12 for the plug pin 3 to pass through is provided on the positioning column 11, the fixing through hole 12 is perpendicular to the axial direction of the positioning column, a cylindrical guide column 13 is respectively provided below openings on two sides of the fixing through hole 12, and the two guide columns 13 are located on the same straight line perpendicularly passing through the axis of the positioning column 11.

As shown in fig. 3, the main structure of the quick-change base 2 is a cube with four chamfered edges, a positioning column positioning hole 21 is formed in the quick-change base 2 and runs through the base up and down, the positioning column positioning hole 21 is used for being sleeved with the positioning column 11, the front surface and the back surface of the quick-change base 2 are respectively provided with an inserting and pulling pin positioning hole 22 for the inserting and pulling pin 3 to pass through, the inserting and pulling pin positioning hole 22 is communicated with the positioning column positioning hole 21, the bottom of the quick-change base 2 is provided with a guide groove 23, the opening of the guide groove 23 is wide and is narrowed towards the bottom arc along the opening, the bottom surface of the guide groove 23 is a semi-cylindrical surface, and can be clamped with the guide column 13.

As shown in fig. 4, the body of the plug pin 3 is cylindrical, the top of the plug pin is provided with a cylindrical blocking portion 32, the diameter of the blocking portion 32 is larger than the diameter of the plug pin positioning hole 22, the blocking portion 32 is provided with a pull ring 33, the tail end of the plug pin 3 is provided with three spring balls 31, the three spring balls 31 are uniformly distributed circumferentially on the circumferential surface of the tail end of the plug pin 3, and when the spring balls 31 are in a natural state, the spring balls 31 protrude out of the surface of the plug pin 3.

As shown in fig. 5, when the quick-change coupler 1 and the quick-change base 2 are combined, the quick-change coupler 1 is moved to a position below the quick-change base 2, when the positioning column 11 is aligned with the positioning column positioning hole 21 and the guide column 13 is aligned with the guide groove 23, the quick-change coupler 1 is moved upward until the upper surface of the bottom of the quick-change coupler 1 is attached to the bottom of the quick-change base 2, at this time, the two plug pin positioning holes 22 of the quick-change coupler 1 are aligned with the fixing through holes 12, the guide column 13 is clamped into the guide groove 23, and a gap is left between the bottom of the guide groove 23 and the upper surface of the guide column 13, so as to prevent over-positioning.

As shown in fig. 6, the plug pin 3 is inserted into the front plug pin positioning hole 22 of the quick-change base 2 in alignment with the plug pin 3, the spring ball 31 is pressed into the plug pin 3 from the hole wall of the plug pin positioning hole 22, the plug pin 3 successively passes through the plug pin positioning hole 22 and the fixing through hole 12, when the blocking portion 32 is in contact with the front of the quick-change connector 1, the plug pin 3 can not be inserted further, at this time, the end of the plug pin 3 just penetrates the back of the quick-change connector 1, the force exerted on the spring ball 31 disappears, the spring ball 31 rebounds to protrude out of the surface of the plug pin 3 to block the plug pin 3, the spring ball 31 cooperates with the blocking portion 32 to fix the plug pin 3 so that the plug pin 3 can not move in the horizontal direction, in order to prevent the plug pin 3 from being positioned in the vertical direction, after the plug pin 3 fixes the quick-change connector 1 and the quick-change base 2, the quick-change connector 1 slightly moves down under the action of gravity, the upper surface of the bottom of the quick-change connector 1 is separated from the bottom of the quick-change base 2. When the tooling fixture is disassembled, the quick-change base 2 and the tooling fixture are supported so as not to move in the vertical direction, the pull ring 33 is pulled, the plug pin 3 is pulled out of the plug pin positioning hole 22 and the fixing through hole 12 horizontally outwards, then the quick-change connector 1 is moved downwards so that the quick-change connector 1 is separated from the quick-change base 2, and the tooling fixture is separated from the equipment.

Claims

1. The utility model provides a structure of quick change dress anchor clamps, includes quick change coupler (1) and quick change base (2), characterized by, still includes plug pin (3), is equipped with reference column (11) on the quick change coupler, is equipped with on the reference column to supply plug pin to pass fixed through hole (12), is equipped with on the quick change base and can cup joints reference column locating hole (21) of reference column, is equipped with on the quick change base to supply plug pin locating hole (22) that plug pin passed.

2. The structure of a quick-change tool clamp as claimed in claim 1, wherein a guide post (13) is arranged below the fixing through hole on the positioning post, and a guide groove (23) capable of clamping the guide post is arranged at the bottom of the quick-change base.

3. The quick change tool holder structure as claimed in claim 2, wherein the guide groove has a wide opening and a narrow bottom.

4. A quick-change tool holder arrangement according to claim 1 or 2, characterised in that the quick-change coupling is provided with mounting holes (14) in its base.

5. A quick-change tool holder structure according to claim 1, wherein the end of the pin is provided with a plurality of spring balls (31) which protrude from the surface of the pin.

6. A quick-change frock clamp structure according to claim 1 or 5, characterized in that the top end of the plug pin is provided with a stop part, and the size of the stop part (32) is larger than that of the plug pin positioning hole.

7. A quick-change tool holder arrangement according to claim 6, characterised in that the blocking portion is provided with a pull ring (33).