CN218983460U

CN218983460U - Automatic electric discharge machining equipment

Info

Publication number: CN218983460U
Application number: CN202223443746.9U
Authority: CN
Inventors: 万寿珍
Original assignee: Suzhou Triumph Electrical And Mechanical Components Co ltd
Current assignee: Suzhou Triumph Electrical And Mechanical Components Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-09
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses an automatic electric discharge machining device which comprises a lifting assembly and horizontal rods, wherein the top of each horizontal rod is fixedly arranged at the bottom end of the lifting assembly, a plurality of switching rods are uniformly clamped on each horizontal rod, a torsion assembly is fixedly arranged at the bottom end of each switching rod, a clamp is clamped at the bottom of each torsion assembly, and a spark electrode is clamped at the bottom end of each clamp. According to the utility model, when the spark electrode is installed or detached, the spark electrode can be displaced in the supporting block by twisting the limit bolt, so that the clamping state of a plurality of clamping rods on the inner side of the sleeve ring to the top end of the spark electrode is reduced, the pre-adjustment and clamping time before machining is shortened, the working efficiency of a machine tool is improved, and for batch machining products, a plurality of spark electrodes can be additionally arranged for simultaneous machining, the machining efficiency is effectively improved, and the quality consistency of the products is maintained.

Description

Automatic electric discharge machining equipment

Technical Field

The utility model relates to the technical field of electric discharge machining, in particular to an automatic electric discharge machining device.

Background

The conventional electric discharge machining process is to design electrodes according to the workpiece with the die design, then to machine the workpiece in a machining center, and the machined electrodes are delivered to an electric discharge department, and a machining person installs the workpiece and the electrodes, checks the number of bumps after checking the standard by a meter, divides the workpiece into two parts, and then starts electric discharge machining, and each electrode repeats the actions.

In the prior art, for example, the Chinese patent number is: the EDM electric discharge machining jig of CN216575942U comprises a clamping device and an extension rod, wherein the clamping device comprises a clamping part and a flatness adjusting part, the flatness adjusting part is used for carrying out flatness calibration on the EDM electric discharge machining jig, and the clamping part is fixedly connected with the flatness adjusting part; and one end of the extension rod is connected with the clamping part, and one end of the extension rod, which is far away from the clamping part, is connected with the electrode.

However, in the prior art, the conventional electric discharge machining is performed according to the parts, the electrode installation work is complicated, the electric discharge machining efficiency is low, the correction time after the installation of a single electrode is long, and if the number of the electrodes is large, the time spent is longer.

Disclosure of Invention

The utility model aims to provide an automatic electric discharge machining device, which solves the problems that the conventional electric discharge machining provided by the background technology is carried out according to the part, the electrode installation work is complicated, the electric discharge machining efficiency is low, the correction time after the installation of a single electrode is long, and the time spent is longer if the number of the electrodes is large.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic electric discharge machining equipment comprises a lifting assembly and horizontal rods, wherein the top of each horizontal rod is fixedly arranged at the bottom end of the lifting assembly, a plurality of switching rods are uniformly clamped on each horizontal rod, torsion assemblies are fixedly arranged at the bottom ends of the switching rods, clamps are clamped at the bottoms of the torsion assemblies, and spark electrodes are clamped at the bottom ends of the clamps; each clamp comprises a shell, a conductive rod, a disc, a plurality of clamping rods, a lantern ring, a limit bolt and a chassis, wherein the conductive rod is inserted in the shell, the bottom end of the conductive rod is inserted with the top end of a spark electrode, the axle center of the disc is fixedly sleeved on the outer side of the conductive rod, each clamping rod is movably inserted on the chassis, the top of the chassis is fixedly arranged with the bottom end of the shell, the outer side of the clamping rod is movably sleeved with the inner side of the lantern ring, the outer side of the lantern ring is clamped with the bottom end of the limit bolt, a supporting block is fixedly arranged on the outer side of the shell, and the limit bolt is in threaded connection with the supporting block; when the spark electrode is installed, the limit bolt can be twisted to enable the limit bolt to upwards displace on the supporting block, the lower lantern ring is loosened, so that the plurality of clamping rods can be outwards unfolded, after the top end of the spark electrode is clamped with the conductive rod, the limit bolt is reversely twisted to enable the spark electrode to descend, the lantern ring is downwards displaced after being pressed, and each clamping rod is inwards contracted, so that the top end of the spark electrode is fixedly installed on the chassis. Before electric discharge machining, the verticality of the spark electrode at the bottom end of the clamp is detected by the column-shaped reference seat, the spark electrode at the bottom end of the clamp is adjusted by the torsion assembly to rotate to a correct machining position, and finally the spark electrode is lowered into the insulating liquid by the lifting assembly to perform electric discharge machining on a machined object.

Preferably, a contact hole is formed in the axis of the top end of the spark electrode, and the inner side of the contact hole is fixedly connected with the bottom end of the conductive rod; the contact surface of contact hole and conducting rod all sets up horizontally, and spark electrode fastening installs behind the conducting rod bottom, can guarantee its levelness, avoids appearing spark electrode side deviation and the problem that leads to the machining precision to reduce.

Preferably, the lifting assembly comprises a frame, a guide rail, a pushing block, a screw rod, a motor I and a pressing rod, wherein the guide rail is fixedly arranged on the frame, one side of the pushing block is slidably arranged on the outer side of the guide rail, the pushing block is in threaded connection with the screw rod, the pushing block is fixedly arranged at the top end of the pressing rod, and the top end of the screw rod is clamped with an output end of the motor I; when the height of the spark electrode needs to be adjusted, the first motor is started, and then the first motor drives the screw rod to rotate, so that the height of the pushing block and the lower pressure rod is changed, and the height of the spark electrode is adjusted.

Preferably, each torsion assembly comprises a motor II, a gear I and a switching end, wherein an electric connection port is fixedly arranged on the switching end, the gear II is rotatably arranged at the bottom end of the switching end, the gear II is meshed with the gear I, and the top of the gear I is clamped with the output end of the motor II; when the rotation angle of the spark electrode needs to be adjusted, the second motor is started, and the second motor drives the second gear to rotate through the first gear, so that the clamp at the bottom of the second gear and the spark electrode rotate.

Preferably, the top end of the switching end and the bottom end of the switching rod are fixedly installed, the inner side of the horizontal rod is penetrated and provided with a sliding groove, the top end of the switching rod is installed in the sliding groove, the switching end can change the interval of each spark electrode in the sliding groove so as to meet the electric discharge machining of different machining objects, and the machining applicability of the device is improved.

Preferably, the top end of the shell is movably clamped with a fastening end, the inner side of the fastening end is fixedly arranged at the bottom end of the gear II, and the fastening end is used for integrally and fixedly arranging the clamp at the bottom end of the torsion assembly.

Preferably, the inside top integrated into one piece of casing has the limiting plate, and the conducting rod is pegged graft with the inboard fixed of limiting plate, and the limiting plate plays the effect that carries out spacing firm to the conducting rod, and external power source is connected with the electric mouth after, connects the top fixed connection of electric mouth and the interior wire of switching end, and after the wire bottom peg graft two axle centers department of gear, the activity cup joints in the conducting rod top, and when anchor clamps rotated, then the conducting rod top can rotate in the inboard of wire bottom complete set circle form, but both remain contact throughout.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the spark electrode is installed or detached, the spark electrode can be displaced in the supporting block by twisting the limit bolt, so that the clamping state of a plurality of clamping rods on the inner side of the sleeve ring to the top end of the spark electrode is reduced, the pre-adjustment and clamping time before machining is shortened, the working efficiency of a machine tool is improved, and for batch machining products, a plurality of spark electrodes can be additionally arranged for simultaneous machining, the machining efficiency is effectively improved, and the quality consistency of the products is maintained.

2. In the utility model, the contact surfaces of the contact hole and the conductive rod are horizontally arranged, and the levelness of the spark electrode can be ensured after the spark electrode is firmly arranged at the bottom end of the conductive rod, so that the problem of processing precision reduction caused by side deflection of the spark electrode is avoided.

Drawings

FIG. 1 is a schematic view of an electrical discharge machining automation apparatus according to the present utility model;

FIG. 2 is a schematic view of a torsion assembly of an electrical discharge machining automation apparatus according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a fixture of an electrical discharge machining automation apparatus of the present utility model;

fig. 4 is a schematic cross-sectional view of a fixture of an electric discharge machining automation apparatus according to the present utility model.

In the figure:

1. a lifting assembly; 10. a frame; 11. a guide rail; 12. a pushing block; 13. a screw rod; 14. a first motor; 15. pressing down a rod; 2. a horizontal bar; 3. a torsion assembly; 30. a second motor; 31. a first gear; 32. a transfer end; 33. a second gear; 34. an electric connection port; 4. a transfer rod; 40. a chute; 5. a clamp; 50. a housing; 501. a support block; 51. a limiting plate; 52. fastening the end head; 53. a conductive rod; 54. a disc; 55. a clamping rod; 56. a collar; 57. a limit bolt; 58. a chassis; 6. a spark electrode; 60. and a contact hole.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-4, the present utility model provides a technical solution: the device comprises a lifting assembly 1 and horizontal rods 2, wherein the top of each horizontal rod 2 is fixedly arranged at the bottom end of the lifting assembly 1, a plurality of switching rods 4 are uniformly clamped on each horizontal rod 2, torsion assemblies 3 are fixedly arranged at the bottom ends of the switching rods 4, clamps 5 are clamped at the bottom of each torsion assembly 3, and spark electrodes 6 are clamped at the bottom ends of the clamps 5; each clamp 5 comprises a shell 50, a conductive rod 53, a disc 54, a plurality of clamping rods 55, a lantern ring 56, a limit bolt 57 and a chassis 58, wherein the conductive rod 53 is inserted into the shell 50, the bottom end of the conductive rod 53 is inserted into the top end of the spark electrode 6, the axis of the disc 54 is fixedly sleeved outside the conductive rod 53, each clamping rod 55 is movably inserted into the chassis 58, the top of the chassis 58 is fixedly arranged with the bottom end of the shell 50, the outer side of the clamping rod 55 is movably sleeved with the inner side of the lantern ring 56, the outer side of the lantern ring 56 is clamped with the bottom end of the limit bolt 57, a supporting block 501 is fixedly arranged outside the shell 50, and the limit bolt 57 is in threaded connection with the supporting block 501; when the spark electrode 6 is installed, the limit bolt 57 can be twisted to enable the limit bolt 57 to upwards displace on the supporting block 501, the lower sleeve ring 56 is loosened, so that the plurality of clamping rods 55 can be outwards unfolded, after the top end of the spark electrode 6 is clamped with the conductive rod 53, the limit bolt 57 is reversely twisted to enable the limit bolt 57 to descend, the sleeve ring 56 is downwards displaced after being pressed, and each clamping rod 55 is inwards contracted, so that the top end of the spark electrode 6 is fixedly installed on the chassis 58. Before electric discharge machining, the verticality of the fixture 5 and the spark electrode 6 at the bottom end of the fixture is detected by the column-shaped reference seat, then the fixture 5 and the spark electrode 6 at the bottom end of the fixture are adjusted by the torsion assembly 3 to rotate to a correct machining position, and finally the spark electrode 6 is lowered into the insulating liquid by the lifting assembly 1 to perform electric discharge machining on a machined object.

As shown in fig. 4: the axis of the top end of the spark electrode 6 is provided with the contact hole 60, the inner side of the contact hole 60 is fixedly connected with the bottom end of the conductive rod 53, the contact surfaces of the contact hole 60 and the conductive rod 53 are horizontally provided, the levelness of the spark electrode 6 can be ensured after the spark electrode 6 is fixedly arranged at the bottom end of the conductive rod 53, and the problem of processing precision reduction caused by side deflection of the spark electrode 6 is avoided.

As shown in fig. 1: the lifting assembly 1 comprises a frame 10, a guide rail 11, a pushing block 12, a screw rod 13, a motor I14 and a pressing rod 15, wherein the guide rail 11 is fixedly arranged on the frame 10, one side of the pushing block 12 is slidably arranged on the outer side of the guide rail 11, the pushing block 12 is in threaded connection with the screw rod 13, the top end of the pushing block 12 is fixedly arranged on the top end of the pressing rod 15, and the top end of the screw rod 13 is clamped with the output end of the motor I14; when the height of the spark electrode 6 needs to be adjusted, after the first motor 14 is started, the first motor drives the screw rod 13 to rotate, so that the height of the pushing block 12 and the pressing rod 15 is changed, and the height of the spark electrode 6 is adjusted.

As shown in fig. 2: each torsion assembly 3 comprises a motor II 30, a gear I31 and an adapter end 32, an electric connection port 34 is fixedly arranged on the adapter end 32, a gear II 33 is rotatably arranged at the bottom end of the adapter end 32, the gear II 33 is meshed with the gear I31, and the top of the gear I31 is clamped with the output end of the motor II 30; when the rotation angle of the spark electrode 6 needs to be adjusted, the second motor 30 is started, and drives the second gear 33 to rotate through the first gear 31, so that the clamp 5 and the spark electrode 6 at the bottom of the second gear 33 rotate.

As shown in fig. 1 and 2: the top of the switching end 32 is fixedly mounted with the bottom of the switching rod 4, the inner side of the horizontal rod 2 is penetrated and provided with a sliding groove 40, the top of the switching rod 4 is mounted in the sliding groove 40, the switching end 32 can change the interval of each spark electrode 6 in the sliding groove 40 so as to meet the electric discharge machining of different machining objects, and the machining applicability of the device is improved.

As shown in fig. 2 and 3: the top end of the shell 50 is movably clamped with a fastening end 52, the inner side of the fastening end 52 is fixedly arranged at the bottom end of the second gear 33, and the fastening end 52 is used for integrally and fixedly arranging the clamp 5 at the bottom end of the torsion assembly 3.

As shown in fig. 2, 3 and 4: the top integrated into one piece has limiting plate 51 in the casing 50, and the conducting rod 53 is pegged graft with limiting plate 51 inboard is fixed, limiting plate 51 plays the effect that carries out spacing firm to conducting rod 53, and external power source is connected with electric connection mouth 34 back, and electric connection mouth 34 and the top fixed connection of wire in the switching end 32, and after the wire bottom inserted gear two 33 axle center department, the activity cup joints in conducting rod 53 top, and when anchor clamps 5 rotate, then conducting rod 53 top can rotate in the inboard of wire bottom complete set round form, but both remain contact throughout.

The application method and the working principle of the device are as follows: when the spark electrode 6 is installed, the limit bolt 57 can be twisted to enable the limit bolt 57 to upwards displace on the supporting block 501, the lower sleeve ring 56 is loosened, so that the plurality of clamping rods 55 can be outwards unfolded, after the top end of the spark electrode 6 is clamped with the conductive rod 53, the limit bolt 57 is reversely twisted to enable the limit bolt 57 to descend, the sleeve ring 56 is downwards displaced after being pressed, and each clamping rod 55 is inwards contracted, so that the top end of the spark electrode 6 is fixedly installed on the chassis 58.

Before electric discharge machining, the verticality of the fixture 5 and the spark electrode 6 at the bottom end of the fixture is detected by the column-shaped reference seat, the fixture 5 and the spark electrode 6 at the bottom end of the fixture are adjusted by the torsion component 3 to rotate to a correct machining position, and finally, after the lifting component 1 starts the motor I14, the motor I drives the screw rod 13 to rotate, so that the push block 12 and the pressing rod 15 change the height, the height of the spark electrode 6 is adjusted, the spark electrode 6 is lowered into insulating liquid, and electric discharge machining is performed on a machined object.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The automatic electric discharge machining equipment comprises a lifting assembly (1) and a horizontal rod (2), wherein the top of the horizontal rod (2) is fixedly installed at the bottom end of the lifting assembly (1), and the automatic electric discharge machining equipment is characterized in that a plurality of switching rods (4) are uniformly clamped on the horizontal rod (2), torsion assemblies (3) are fixedly installed at the bottom end of each switching rod (4), clamps (5) are clamped at the bottom of each torsion assembly (3), and spark electrodes (6) are clamped at the bottom end of each clamp (5); every anchor clamps (5) all include casing (50), conducting rod (53), disc (54), a plurality of clamping rods (55), lantern ring (56), stop bolt (57), chassis (58), conducting rod (53) are pegged graft in casing (50), and conducting rod (53) bottom and spark electrode (6) top are pegged graft, disc (54) axle center department is fixed to cup joint in conducting rod (53) outside, every clamping rod (55) all activity is pegged graft on chassis (58), and chassis (58) top and casing (50) bottom fixed mounting, the inboard of lantern ring (56) has been cup jointed in the activity of clamping rod (55) outside, and lantern ring (56) outside and stop bolt (57) bottom joint, supporting shoe (501) have in casing (50) outside fixed mounting, and stop bolt (57) and supporting shoe (501) threaded connection.

2. An electric discharge machining automation device according to claim 1, characterized in that: a contact hole (60) is formed in the axis of the top end of the spark electrode (6), and the inner side of the contact hole (60) is fixedly connected with the bottom end of the conductive rod (53).

3. An electric discharge machining automation device according to claim 1, characterized in that: lifting assembly (1) include frame (10), guide rail (11), push block (12), lead screw (13), motor one (14), lower depression bar (15), guide rail (11) fixed mounting is on frame (10), and guide rail (11) outside slidable mounting has one side of push block (12), push block (12) and lead screw (13) threaded connection, and push block (12) and lower depression bar (15) top fixed mounting, lead screw (13) top and motor one (14) output joint.

4. An electric discharge machining automation device according to claim 1, characterized in that: every torsion subassembly (3) all include motor two (30), gear one (31), switching end (32), fixed mounting has electric connection mouth (34) on switching end (32), and switching end (32) bottom rotates installs gear two (33), gear two (33) and gear one (31) meshing, and gear one (31) top and motor two (30) output joint.

5. An electric discharge machining automation device according to claim 4, characterized in that: the top end of the switching end head (32) is fixedly arranged at the bottom end of the switching rod (4), a sliding groove (40) is formed in the inner side of the horizontal rod (2) in a penetrating mode, and the top end of the switching rod (4) is arranged in the sliding groove (40).

6. An electric discharge machining automation device according to claim 4, characterized in that: the top end of the shell (50) is movably clamped with a fastening end head (52), and the inner side of the fastening end head (52) is fixedly arranged at the bottom end of the second gear (33).

7. An electric discharge machining automation device according to claim 1, characterized in that: the top of the inner side of the shell (50) is integrally provided with a limiting plate (51), and the conducting rod (53) is fixedly inserted into the inner side of the limiting plate (51).