CN217044937U

CN217044937U - Tool clamp for electric spark machine tool

Info

Publication number: CN217044937U
Application number: CN202220571010.0U
Authority: CN
Inventors: 王建伟; 夏夕鈜
Original assignee: Hongtai Hi Tech Precision Machinery Technology Tianjin Co ltd
Current assignee: Hongtai Hi Tech Precision Machinery Technology Tianjin Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-07-26
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a frock clamp for electric spark lathe, including installing two sets of fixture in the support side, fixture includes first barrel and second barrel, second barrel side activity inslot card is equipped with the grip block, the stopper is connected through the bracing piece to the grip block inboard, the stopper side is connected with the adapter through the guide arm rotation, the cylinder is connected to the adapter side, first barrel is through the output shaft of pivot and motor. The utility model has the advantages of being scientific and reasonable in structural design, can drive two sets of grip blocks fast under the cylinder effect and stretch out to the outside to can fix the centre gripping from the inboard annular work piece that needs the centre gripping fast under the fixture effect that two sets of grip blocks are constituteed, effectively improved annular work piece's location efficiency, easy operation is convenient.

Description

Tool clamp for electric spark machine tool

Technical Field

The utility model relates to an anchor clamps technical field specifically is a frock clamp for electric spark machine tool.

Background

The electric spark machine is also called numerical control electric spark machine, electric spark, spark machine, etc. and is an electric machining equipment. When Lazalinke couples study the phenomenon and reason that the switch contact is corroded and damaged by spark discharge, the instantaneous high temperature of the electric spark is found to melt and oxidize local metal to be corroded, and thus, the electric spark processing method is created and invented. When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. However, when the existing tool clamp is used for positioning the annular workpiece, most of the existing tool clamps can only process the annular workpiece with a certain size, the application range is small, the angle of the workpiece needs to be adjusted by a worker during working, the working efficiency is low, and certain disadvantages are caused. Therefore, a tool clamp for the electric discharge machine tool is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frock clamp for electric spark machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electric spark is frock clamp for lathe, is including installing two sets of fixture in the support side, fixture includes first barrel and second barrel, second barrel side activity inslot card is equipped with the grip block, the stopper is connected through the bracing piece to the grip block inboard, the stopper side is rotated through the guide arm and is connected with the adapter, the cylinder is connected to the adapter side, first barrel is connected through the output shaft of pivot with the motor.

Preferably, the motor is mounted in a housing inside the bracket.

Preferably, the outer sides of the first cylinder and the second cylinder are both provided with protruding parts, and the two protruding parts are connected through bolts.

Preferably, the bottom of the cylinder is arranged on a positioning plate, and the positioning plate is clamped in a positioning groove at the connecting end of the first barrel and the second barrel.

Preferably, the clamping plate is in threaded connection with the supporting rod, and a cushion pad is attached to the outer side of the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are that: the tool clamp for the electric spark machine tool has simple and reasonable structural design and stronger practicability, can quickly drive two groups of clamping plates to extend outwards under the action of the cylinder through the transmission mechanism consisting of the clamping plates, the supporting rod, the limiting block, the guide rod, the adapter, the cylinder and the like, thereby quickly and fixedly clamping annular workpieces needing to be clamped from the inner side under the action of the clamping mechanism consisting of the two groups of clamping plates, effectively improving the positioning efficiency of the annular workpieces, being simple and convenient to operate, having simple and stable structure, high operation efficiency and strong practicability, adjusting the distance between the two clamping plates through the extension and retraction of the piston rod of the cylinder so as to meet the positioning requirements of the workpieces with different sizes, clamping the positioning plate in the positioning grooves of the first cylinder and the second cylinder, and connecting the first cylinder and the second cylinder through bolts, can conveniently assemble and dismantle the device, effectively improve device availability factor, can drive pivot and fixture rotation under the effect of motor to can reach the purpose of quick adjustment fixture angle, facilitate for the quick adjustment of work piece, can satisfy different processing demands.

Drawings

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

Fig. 2 is a schematic diagram of the structure of the clamping plate of the present invention.

In the figure: the device comprises a support 1, a shell 11, a clamping mechanism 12, a first barrel 13, a second barrel 14, bolts 15, a movable groove 16, a clamping plate 17, a support rod 18, a limiting block 19, a guide rod 2, a switching joint 21, a cylinder 22, a positioning plate 23, a rotating shaft 24, a motor 25 and a cushion pad 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an electric spark is frock clamp for lathe, including installing two sets of fixture 12 in 1 side of support, fixture 12 includes first barrel 13 and second barrel 14, the first barrel 13 all is provided with the protruding portion with the second barrel 14 outside, two protruding portions pass through bolted connection 15, second barrel 14 side activity inslot 16 inside callipers are equipped with grip block 17, grip block 17 inboard is connected stopper 19 through bracing piece 18, grip block 17 and bracing piece 18 spiro union, and grip block 17's outside subsides are equipped with blotter 26, stopper 19 side is connected with adapter 21 through 2 rotations of guide arm, adapter 21 side connection cylinder 22.

When the clamping device is used, an annular workpiece to be positioned is sleeved at the outer end of the second barrel 14, then the cylinder 22 is started, a piston rod of the cylinder 22 drives the adapter 21 to move towards the side, the adapter 21 pushes the limiting block 19 to move towards the side through the guide rod 2 in the moving process, the limiting block 19 pushes the clamping plate 17 to open towards the side through the support rod 18, the outer side surface of the clamping plate 17 is abutted against the annular workpiece from the inner side through the cushion 26, so that the positioning process of the workpiece is completed, the two groups of clamping plates 17 can be quickly driven to extend outwards under the action of the cylinder 22 through the transmission mechanism formed by the series structures of the clamping plates 17, the support rod 18, the limiting block 19, the guide rod 2, the adapter 21, the cylinder 22 and the like, so that the annular workpiece to be clamped can be quickly fixed and clamped from the inner side under the action of the clamping mechanism formed by the two groups of clamping plates 17, and the positioning efficiency of the annular workpiece is effectively improved, the operation is simple and convenient, the structure of the air cylinder 22 is simple and stable, the operation efficiency is high, the practicability is high, and the distance between the two clamping plates 17 is adjusted by the extension and contraction of the piston rod of the air cylinder 22, so that the positioning requirements of workpieces with different sizes can be met.

The bottom of the cylinder 22 is installed on the positioning plate 23, the positioning plate 23 is clamped in a positioning groove at the connecting end of the first cylinder 13 and the second cylinder 14, the positioning plate 23 is clamped in the positioning groove of the first cylinder 13 and the second cylinder 14, and the first cylinder 13 and the second cylinder 14 are connected through the bolt 15, so that the device can be conveniently assembled and disassembled, the use efficiency of the device is effectively improved, the first cylinder 13 is connected with an output shaft of the motor 25 through the rotating shaft 24, when the angle of a workpiece needs to be adjusted, the motor 25 is started through an external switch, the output shaft of the motor 25 drives the rotating shaft 24 and the clamping mechanism 12 connected with the rotating shaft 24 to rotate, thereby achieving the purpose of adjusting the angle of the workpiece, the motor 25 is installed in the shell 11 at the inner side of the bracket 1, specifically, the motor 25 is a forward and reverse rotation motor, and is externally connected with a power supply and a control switch through a wire, the rotating shaft 24 and the clamping mechanism 12 can be driven to rotate under the action of the motor 25, so that the purpose of quickly adjusting the angle of the clamping mechanism 12 can be achieved, convenience is provided for quick adjustment of workpieces, and different processing requirements can be met.

The working principle is as follows:

the tool clamp for the electric spark machine tool is particularly used, an annular workpiece to be positioned is sleeved at the outer end of a second cylinder 14, then a cylinder 22 is started, a piston rod of the cylinder 22 drives an adapter 21 to move towards the side, a limiting block 19 is pushed by a guide rod 2 to move towards the side in the moving process of the adapter 21, the limiting block 19 pushes a clamping plate 17 to open towards the side through a supporting rod 18, the outer side surface of the clamping plate 17 is abutted against the annular workpiece from the inner side through a cushion 26, so that the positioning process of the workpiece is completed, the device can simultaneously clamp two groups of workpieces through two groups of clamping mechanisms 12 which are symmetrically arranged, so that the positioning efficiency of the workpiece is improved, when the workpiece needs to be subjected to angle adjustment, a motor 25 is started through an external switch, an output shaft of the motor 25 drives a rotating shaft 24 and the clamping mechanisms 12 connected with the rotating shaft to rotate, so that the purpose of angle adjustment of the workpiece is achieved, can meet different requirements in processing.

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

Claims

1. The utility model provides a frock clamp for electric spark machine tool, is including installing two sets of fixture (12) in support (1) side, its characterized in that: fixture (12) are including first barrel (13) and second barrel (14), second barrel (14) side activity groove (16) inside callipers are equipped with grip block (17), grip block (17) inboard is connected stopper (19) through bracing piece (18), stopper (19) side is rotated through guide arm (2) and is connected with adapter (21), cylinder (22) is connected to adapter (21) side, first barrel (13) are through the output shaft of pivot (24) and motor (25).

2. The tool clamp for the electric discharge machine tool according to claim 1, characterized in that: the motor (25) is arranged in the shell (11) on the inner side of the bracket (1).

3. The tool clamp for the electric discharge machine tool according to claim 1, characterized in that: the outer sides of the first cylinder (13) and the second cylinder (14) are provided with protruding parts, and the protruding parts are connected through bolts (15).

4. The tool clamp for the electric discharge machine according to claim 1, characterized in that: the bottom of the air cylinder (22) is arranged on a positioning plate (23), and the positioning plate (23) is clamped in a positioning groove at the connecting end of the first cylinder body (13) and the second cylinder body (14).

5. The tool clamp for the electric discharge machine tool according to claim 1, characterized in that: the clamping plate (17) is in threaded connection with the supporting rod (18), and a cushion pad (26) is attached to the outer side of the clamping plate (17).