CN111618387A - Clamp for electric spark machining - Google Patents

Abstract

The invention discloses a clamp for electric spark machining, wherein a first sliding block is slidably connected to the inner wall of a first sliding groove, a spring is arranged in the first sliding groove, an extrusion plate is fixedly arranged at the top of the first sliding block through a screw, a liquid storage tank is fixedly clamped between the two extrusion plates, a first threaded rod is rotatably arranged in a second sliding groove, one end of the first threaded rod is in transmission connection with a driving shaft of a servo motor through a coupler, a threaded sleeve is in threaded connection with the first threaded rod, a lifting plate is welded at one side of the threaded sleeve, a bearing plate is arranged on the upper surfaces of the two lifting plates, a clamping plate is fixedly arranged at the top of the second sliding block through a screw, and the second threaded rod respectively penetrates through the two clamping plates and is in threaded connection with the clamping plates, the workpiece can be clamped and fixed conveniently and quickly, and the operation is simple and convenient.

Description

Clamp for electric spark machining

Technical Field

The invention relates to the technical field of electric spark machining, in particular to a clamp for electric spark machining.

Background

The electric discharge machining is a method for machining the size of a material by burning the geometric shape of an electrode on a metal (conductive) part by using a discharge electrode (EDM electrode) with a specific geometric shape, and is widely applied to industries such as die manufacturing, aerospace, electronics, automobiles, light industry and the like so as to solve the machining problem of difficult-to-machine materials and parts with complex shapes.

When the electric spark machining is carried out, a machined part needs to be fixed, an existing machining table is fixedly installed through a locking bolt, the installation and operation steps are complex, the operation process is time-consuming and labor-consuming, and the working efficiency is affected.

Disclosure of Invention

The invention aims to provide a clamp for electric spark machining, which can conveniently and quickly fix a liquid storage tank, can adjust the height of a bearing plate according to needs, can conveniently and quickly clamp and fix a machined part, is simple and convenient to operate and solves the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an electric spark machining fixture comprises a machining table, wherein first sliding grooves are formed in two sides of the interior of the machining table, first sliding blocks are connected to the inner wall of each first sliding groove in a sliding mode, springs are arranged in the first sliding grooves, one ends of the springs are fixedly connected to one sides of the first sliding blocks, the other ends of the springs are fixedly connected to the inner wall of the first sliding grooves, extrusion plates are fixedly mounted at the tops of the first sliding blocks through screws, a liquid storage tank is fixedly clamped between the two extrusion plates, mounting blocks are fixedly mounted on two sides of the inner wall of the liquid storage tank through screws, second sliding grooves are formed in the mounting blocks, first threaded rods are rotatably mounted in the second sliding grooves, one ends of the first threaded rods are in transmission connection with driving shafts of servo motors through couplers, the servo motors are fixedly mounted at the tops of the mounting blocks through screws, threaded connection has the thread bush on the first threaded rod, one side welding of thread bush has the lifting plate, two the upper surface of lifting plate is provided with the loading board, set up two third spouts in the loading board, sliding connection has two second sliders on the inner wall of third spout, there is splint at the top of second slider through screw fixed mounting, two mounting panels, two have all been welded in the top both sides of loading board rotate through the bearing in the mounting panel and install the second threaded rod, the second threaded rod runs through two splint respectively and with splint threaded connection, the bottom of processing platform is provided with four supporting legs, four the supporting leg welding is in the bottom four corners department of processing platform.

Preferably, a protective cover is arranged outside the servo motor and fixedly installed at the top of the installation block through screws.

Preferably, a cushion block is arranged between the bearing plate and the lifting plate.

Preferably, one end of the second threaded rod penetrates through the mounting plate and is welded at the center of the rotating wheel.

Preferably, the rotation directions of the threads at the two ends of the second threaded rod are opposite, and the two clamping plates are respectively in threaded connection with the threads in the opposite rotation directions.

Preferably, the front side surface of the liquid storage box is provided with a liquid inlet pipe orifice and a liquid outlet pipe orifice, and the liquid inlet pipe orifice is arranged above the liquid outlet pipe orifice.

Compared with the prior art, the invention has the beneficial effects that:

1. the distance between two adjacent extrusion plates can be changed through the spring, the first sliding block and the extrusion plates, the whole liquid storage box can be clamped and mounted on the machining table, the operation process is time-saving and labor-saving, and the working efficiency is improved;

2. can adjust the height of loading board through servo motor, first threaded rod, thread bush and lifting plate, can adjust the height of loading board according to the size of machined part, carry out the centre gripping to the machined part through second threaded rod and splint, centre gripping easy operation is convenient, and application scope increases.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a cross-sectional schematic view of the mounting block of the present invention;

FIG. 4 is a schematic top view of a carrier plate according to the present invention.

In the figure: 1. a processing table; 2. a first chute; 3. a first slider; 4. a pressing plate; 5. a spring; 6. a liquid storage tank; 7. mounting blocks; 8. a second chute; 9. a first threaded rod; 10. a servo motor; 11. a threaded sleeve; 12. a lifting plate; 13. a protective cover; 14. a carrier plate; 15. cushion blocks; 16. a second slider; 17. a splint; 18. mounting a plate; 19. a second threaded rod; 20. a rotating wheel; 21. a liquid inlet pipe orifice; 22. a liquid outlet pipe orifice; 23. and (5) supporting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an electric spark machining fixture comprises a machining table 1, wherein first sliding grooves 2 are formed in two sides of the interior of the machining table 1, a first sliding block 3 is connected to the inner wall of each first sliding groove 2 in a sliding mode, a spring 5 is arranged in each first sliding groove 2, one end of each spring 5 is fixedly connected to one side of each first sliding block 3, the other end of each spring 5 is fixedly connected to the inner wall of each first sliding groove 2, extrusion plates 4 are fixedly mounted at the top of each first sliding block 3 through screws, a liquid storage tank 6 is fixedly clamped between the two extrusion plates 4, mounting blocks 7 are fixedly mounted on two sides of the inner wall of each liquid storage tank 6 through screws, a second sliding groove 8 is formed in each mounting block 7, a first threaded rod 9 is rotatably mounted in each second sliding groove 8, one end of each first threaded rod 9 is in transmission connection with a driving shaft of a servo motor 10 through a coupler, the servo motor 10 is fixedly mounted at the, the first threaded rod 9 is in threaded connection with a threaded sleeve 11, one side of the threaded sleeve 11 is welded with lifting plates 12, the upper surfaces of the two lifting plates 12 are provided with bearing plates 14, the outside of the servo motor 10 is provided with a protective cover 13, and the protective cover 13 is fixedly installed at the top of the installation block 7 through screws to protect the servo motor 10 and prevent the servo motor 10 from being damaged during working;

two third sliding grooves are formed in the bearing plate 14, two second sliding blocks 16 are connected to the inner wall of each third sliding groove in a sliding mode, clamping plates 17 are fixedly mounted at the tops of the second sliding blocks 16 through screws, two mounting plates 18 are welded to two sides of the top of the bearing plate 14, second threaded rods 19 are rotatably mounted in the two mounting plates 18 through bearings, the second threaded rods 19 respectively penetrate through the two clamping plates 17 and are in threaded connection with the clamping plates 17, four supporting legs 23 are arranged at the bottom of the machining table 1, the four supporting legs 23 are welded at four corners of the bottom of the machining table 1, cushion blocks 15 are arranged between the bearing plate 14 and the lifting plate 12, when the bearing plate 14 inclines, the levelness of the bearing plate 14 can be kept through the cushion blocks 15, the thread rotating directions of two ends of the second threaded rods 19 are opposite, the two clamping plates 17 are respectively in threaded connection with threads in opposite rotating directions, and the two clamping plates 17 can be, the one end of second threaded rod 19 runs through mounting panel 18 and welds in swiveling wheel 20's center department, through rotating swiveling wheel 20, can be so that two splint 17 carry out relative motion or relative motion, can carry out the centre gripping fixed to the machined part when two splint 17 carry out relative motion, the feed liquor mouth of pipe 21 and play liquid mouth of pipe 22 have been seted up to the leading flank of liquid reserve tank 6, feed liquor mouth of pipe 21 sets up in the top of a liquid mouth of pipe 22, add the working solution through feed liquor mouth of pipe 21 in to liquid reserve tank 6 and discharge the working solution through a liquid mouth of pipe 22.

The working principle is as follows: two adjacent extrusion plates 4 move towards opposite directions, the distance between the two extrusion plates 4 is enlarged, a liquid storage box 6 is placed between the two extrusion plates 4, the extrusion plates 4 are loosened, at the moment, a first sliding block 3 moves towards the liquid storage box 6 under the action of a spring 5, the first sliding block 3 drives the extrusion plates 4 to move, the two extrusion plates 4 clamp the liquid storage box 6 on a processing table 1, the operation process is time-saving and labor-saving, the working efficiency is improved, a servo motor 10 drives a first threaded rod 9 to rotate, the first threaded rod 9 drives a threaded sleeve 11 to move, the threaded sleeve 11 drives a lifting plate 12 to move, the height of a bearing plate 14 is further changed, the height of the bearing plate 14 can be adjusted according to the size of a workpiece, the two clamping plates 17 can move relatively or oppositely by rotating a rotating wheel 20, the workpiece can be clamped and fixed when the two clamping plates 17 move oppositely, the clamping operation is simple and convenient, and the application range is increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. An electric discharge machining jig, includes processing platform (1), its characterized in that: the processing table is characterized in that first chutes (2) are formed in two sides of the interior of the processing table (1), first sliding blocks (3) are connected to the inner wall of the first chutes (2) in a sliding manner, springs (5) are arranged in the first chutes (2), one ends of the springs (5) are fixedly connected to one sides of the first sliding blocks (3), the other ends of the springs (5) are fixedly connected to the inner wall of the first chutes (2), extrusion plates (4) are fixedly mounted at the tops of the first sliding blocks (3) through screws, a liquid storage box (6) is fixedly clamped between the two extrusion plates (4), mounting blocks (7) are fixedly mounted on two sides of the inner wall of the liquid storage box (6) through screws, second chutes (8) are formed in the mounting blocks (7), first threaded rods (9) are rotatably mounted in the second chutes (8), one ends of the first threaded rods (9) are connected with a driving shaft of a servo motor (10) through a coupler, the servo motor (10) is fixedly installed at the top of the installation block (7) through screws, a threaded sleeve (11) is connected to the first threaded rod (9) in a threaded mode, a lifting plate (12) is welded to one side of the threaded sleeve (11), a bearing plate (14) is arranged on the upper surface of the lifting plate (12), two third sliding grooves are formed in the bearing plate (14), two second sliding blocks (16) are connected to the inner wall of each third sliding groove in a sliding mode, a clamping plate (17) is installed at the top of each second sliding block (16) through screws in a fixed mode, two installation plates (18) are welded to the two sides of the top of the bearing plate (14), a second threaded rod (19) is installed in the two installation plates (18) in a rotating mode through bearings, the second threaded rod (19) penetrates through the two clamping plates (17) and is connected with the clamping plates (17) in a threaded mode respectively, four supporting legs (23) are, the four supporting legs (23) are welded at the four corners of the bottom of the machining table (1).

2. The electric discharge machining jig according to claim 1, characterized in that: the servo motor is characterized in that a protective cover (13) is arranged outside the servo motor (10), and the protective cover (13) is fixedly installed at the top of the installation block (7) through screws.

3. The electric discharge machining jig according to claim 1, characterized in that: a cushion block (15) is arranged between the bearing plate (14) and the lifting plate (12).

4. The electric discharge machining jig according to claim 1, characterized in that: one end of the second threaded rod (19) penetrates through the mounting plate (18) and is welded at the center of the rotating wheel (20).

5. The electric discharge machining jig according to claim 1, characterized in that: the screw thread rotation direction of the second threaded rod (19) both ends is opposite, and two splint (17) threaded connection are on the screw thread that rotation direction is opposite respectively.

6. The electric discharge machining jig according to claim 1, characterized in that: the liquid storage tank is characterized in that a liquid inlet pipe orifice (21) and a liquid outlet pipe orifice (22) are formed in the front side face of the liquid storage tank (6), and the liquid inlet pipe orifice (21) is arranged above the liquid outlet pipe orifice (22).

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