CN210996947U

CN210996947U - Automatic wire feeding device of electric spark wire cutting machine tool

Info

Publication number: CN210996947U
Application number: CN201922053187.2U
Authority: CN
Inventors: 椤惧箔; 顾岭
Original assignee: Suzhou Sanguang Science & Technology Co ltd
Current assignee: Suzhou Sanguang Science & Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-07-14
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an automatic wire feeding device of an electric spark wire cutting machine, which comprises a base and a roller, the top of the base is respectively welded with a first fixed rod and a second fixed rod, the outer side walls of the first fixed rod and the second fixed rod are fixedly connected with two guide wheels, two supporting blocks are welded on one side of the first fixing rod and one side of the second fixing rod close to the guide wheel, a screw rod is rotatably connected between the two supporting blocks, the outer side wall of the screw rod is in threaded connection with a connecting block, the outer side wall of the connecting block is welded with a pneumatic finger, the connecting block is provided with two sliding chutes with opening directions opposite to each other on one side far away from the pneumatic finger, the outer side wall of the roller is provided with an electrode wire wound on the outer side wall of the guide wheel, wire feeding and wire conveying are carried out through two pneumatic fingers, automatic wire threading is realized, the wire threading efficiency is effectively improved, and the working strength of operators is reduced.

Description

Automatic wire feeding device of electric spark wire cutting machine tool

Technical Field

The utility model relates to an electric spark wire-electrode cutting technical field specifically is an automatic wire feed device of electric spark wire-electrode cutting machine bed.

Background

The wire cut electrical discharge machining technology is a special machining technology, and is different from the traditional machining technology that mechanical force and mechanical energy are needed for cutting, and the machining of materials is mainly realized by using electric energy. Therefore, the wire-cut electric discharge machine is not limited by material performance, can process any material with hardness, strength and brittleness, and plays an important role in the mechanical processing at the present stage, wherein the wire-cut electric discharge machine is common, belongs to the field of electric processing, and is used for discovering that the instantaneous high temperature of electric spark can melt and oxidize local metal to be corroded when researching the phenomenon and the reason that a switch contact is corroded and damaged by spark discharge, so as to create and invent an electric discharge processing method, but most wire-threading parts of the existing wire-feeding wire-cut electric discharge machine tool are manual wire threading, the wire threading operation is laborious and labor-consuming, the work with technical content is required, a great amount of training and practice is required in advance to perform the wire threading, the wire threading efficiency is lower, the automation efficiency is lower, the wire threading difficulty is higher, the workload of operators is large, the production efficiency is seriously influenced, therefore, an automatic wire feeding device of the wire cut electric discharge machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic wire feeding device of spark-erosion wire cutting machine bed to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic wire feeding device of an electric spark wire cutting machine comprises a base and a roller, wherein a first fixed rod and a second fixed rod are respectively welded at the top of the base, the outer side walls of the first fixing rod and the second fixing rod are fixedly connected with two guide wheels, two supporting blocks are welded on one sides of the first fixing rod and the second fixing rod close to the guide wheels, a screw rod is rotatably connected between the two supporting blocks, the outer side wall of the screw rod is in threaded connection with a connecting block, the outer side wall of the connecting block is welded with a pneumatic finger, the connecting block is provided with two sliding chutes with opening directions opposite to each other on one side far away from the pneumatic finger, the inside sliding connection of spout has the slider, two the adjacent one side of supporting shoe all welds the lug, the lateral wall of cylinder be provided with around connect in the wire electrode of leading wheel lateral wall.

As further preferable in the present technical solution: the outer side wall of the first fixing rod is connected with two servo motors through bolt threads, and the output ends of the servo motors penetrate through the outer side wall of the supporting block and are welded on the outer side wall of the screw rod.

As further preferable in the present technical solution: the outer side wall welding of second dead lever has the stand pipe, the lateral wall intercommunication of stand pipe has the inlet tube, the wire electrode runs through the inside of stand pipe.

As further preferable in the present technical solution: the supporting shoe is being close to the lateral wall fixedly connected with optical axis of lug top, the lateral wall sliding connection of optical axis has pneumatic finger.

As further preferable in the present technical solution: the inside wall fixedly connected with spring of spout, the spring is keeping away from the one end of spout inside wall weld in the lateral wall of slider.

As further preferable in the present technical solution: two the inside wall of spout is fixedly connected with first switch group and second switch group respectively, the electrical property output of first switch group pass through the wire with pneumatic finger and servo motor's electrical property input electric connection, the electrical property output of second switch group pass through the wire with pneumatic finger and servo motor's electrical property input electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the pneumatic finger can clamp the electrode wire when working, and simultaneously the servo motor can drive the pneumatic finger to synchronously move when running, the pneumatic finger can send the wire, when the connecting block moves to the target position, the sliding block in the chute on the left side can contact the first switch group, the first switch group controls the pneumatic finger to release the clamping of the electrode wire, meanwhile, the servo motor rotates in the reverse direction, the sliding block in the sliding groove on the right side can be contacted with the second switch group, the pneumatic finger is controlled by the second switch group to clamp the wire electrode again, meanwhile, the servo motor moves to drive the connecting block to move to the left side again for wire feeding, and wire feeding and wire conveying are carried out through two pneumatic fingers, realizes automatic wire threading, effectively improves the wire threading efficiency and reduces the working intensity of operators, meanwhile, the electrode wire can be kept in a straightening state, the swinging of the electrode wire is reduced, and the precision and the efficiency in production are improved.

Drawings

Fig. 1 is a schematic view of the screw rod structure of the present invention;

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

fig. 3 is a schematic view of the cross-sectional structure of the connection block of the present invention.

In the figure: 1. a base; 2. a drum; 3. a first fixing lever; 4. a second fixing bar; 5. a guide wheel; 6. a support block; 7. a screw rod; 8. connecting blocks; 9. a pneumatic finger; 10. a chute; 11. a slider; 12. a bump; 13. a wire electrode; 14. a servo motor; 15. a guide tube; 16. a water inlet pipe; 17. an optical axis; 18. a spring; 19. a first switch group; 20. and a second switch group.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic wire threading device of spark-erosion wire cutting machine bed, including base 1 and cylinder 2, first dead lever 3 and second dead lever 4 have been welded respectively at base 1's top, two leading wheels 5 of the equal fixedly connected with of lateral wall of first dead lever 3 and second dead lever 4, first dead lever 3 and second dead lever 4 all weld in the one side that is close to leading wheel 5 have two supporting shoes 6, it is connected with lead screw 7 to rotate between two supporting shoes 6, the lateral wall threaded connection of lead screw 7 has even piece 8, the lateral wall welding of even piece 8 has pneumatic finger 9, even piece 8 has seted up opening direction each other in the one side of keeping away from pneumatic finger 9 and has been two reverse spouts 10, the inside sliding connection of spout 10 has slider 11, lug 12 has all been welded to the adjacent one side of two supporting shoes 6, the lateral wall of cylinder 2 is provided with around having the electrode wire 13 in the lateral wall of.

In this embodiment, specifically: the lateral wall of first dead lever 3 has two servo motor 14 through bolt threaded connection respectively, and servo motor 14's output runs through the lateral wall of supporting shoe 6 and welds in the lateral wall of lead screw 7, and during servo motor 14 operation, can drive lead screw 7 and rotate, can drive even piece 8 through the rotation of lead screw 7 and remove.

In this embodiment, specifically: the welding of the lateral wall of second dead lever 4 has stand pipe 15, and the lateral wall intercommunication of stand pipe 15 has inlet tube 16, and wire electrode 13 runs through the inside of stand pipe 15, and it is cooling to wire electrode 13 to intake through inlet tube 16.

In this embodiment, specifically: the outer side wall of the supporting block 6 above the bump 12 is fixedly connected with an optical axis 17, the outer side wall of the optical axis 17 is connected with a pneumatic finger 9 in a sliding mode, and the stroke of the pneumatic finger 9 is guided and limited through the optical axis 17.

In this embodiment, specifically: inside wall fixedly connected with spring 18 of spout 10, spring 18 welds the lateral wall in slider 11 in the one end of keeping away from the spout 10 inside wall, and slider 11 can move to spout 10 because of receiving the extrusion, and spring 18 contracts the buffering, prevents that the striking can damage first switch group 19 or second switch group 20, loses after external force when slider 11, and the elasticity by spring 18 pushes back the original place.

In this embodiment, specifically: the inner side walls of the two sliding grooves 10 are fixedly connected with a first switch group 19 and a second switch group 20 respectively, the electrical output end of the first switch group 19 is electrically connected with the electrical input ends of the pneumatic finger 9 and the servo motor 14 through wires, the electrical output end of the second switch group 20 is electrically connected with the electrical input ends of the pneumatic finger 9 and the servo motor 14 through wires, the first switch group 19 is used for controlling the pneumatic finger 9 to loosen the clamping of the electrode wire 13, the servo motor 14 is enabled to rotate reversely at the same time, the second switch group 20 can control the pneumatic finger 9 to clamp the electrode wire 13, and meanwhile, the servo motor 14 is controlled to rotate forwardly.

In this embodiment, the specific types of the pneumatic finger 9 are: HDM 16D.

In this embodiment, the specific types of the servo motor 14 are: 1FK7101-5AF71-1SH 0.

When the device is used, firstly, a power supply is switched on, an operator manually pulls the wire electrode 13 on the outer side wall of the roller 2 to the outer side wall of the guide wheel 5 and penetrates through the guide pipe 15, the servo motor 14 above the first fixing rod 3 and the pneumatic finger 9 above the first fixing rod are opened, the wire electrode 13 can be clamped when the pneumatic finger 9 works, meanwhile, when the servo motor 14 runs, the screw rod 7 can be driven to rotate, the connecting block 8 can be driven to move towards the left side through the rotation of the screw rod 7, the connecting block 8 can drive the pneumatic finger 9 to synchronously move, the wire electrode is fed into the guide pipe 15 through the pneumatic finger 9, when the connecting block 8 moves to a target position, the sliding block 11 can be contacted with the convex block 12, the sliding block 11 can move towards the sliding groove 10 due to extrusion, the sliding block 11 can be contacted with the first switch group 19 after moving to the target position, the clamping of the wire electrode 13 is released through the first switch group 19 by controlling the pneumatic, meanwhile, the servo motor 14 rotates reversely to drive the connecting block 8 to move to the left, meanwhile, after the connecting block 8 moves to a target position, the sliding block 11 in the right sliding groove 10 can be in contact with the second switch group 20, the pneumatic finger 9 is controlled by the second switch group 20 to clamp the electrode wire 13 again, meanwhile, the servo motor 14 moves to drive the connecting block 8 to move to the left again, wire feeding is carried out, when the electrode wire 13 enters the guide pipe 15, the water inlet pipe 16 can simultaneously feed water into the guide pipe 15, meanwhile, the servo motor 14 below the first fixing rod 3 operates, and clamping and wire feeding are carried out through the pneumatic finger 9.

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

1. The utility model provides an automatic wire feeding device of spark-erosion wire cutting machine bed, includes base (1) and cylinder (2), its characterized in that: the top of the base (1) is respectively welded with a first fixing rod (3) and a second fixing rod (4), the outer side walls of the first fixing rod (3) and the second fixing rod (4) are respectively fixedly connected with two guide wheels (5), two supporting blocks (6) are respectively welded on one sides of the first fixing rod (3) and the second fixing rod (4) close to the guide wheels (5), a lead screw (7) is rotatably connected between the two supporting blocks (6), the outer side wall of the lead screw (7) is in threaded connection with a connecting block (8), a pneumatic finger (9) is welded on the outer side wall of the connecting block (8), two sliding grooves (10) with mutually reverse opening directions are formed in one side of the connecting block (8) far away from the pneumatic finger (9), a sliding block (11) is connected to the inside of the sliding grooves (10), and a convex block (12) is welded on one side of the two supporting blocks (6) adjacent to each other, the outer side wall of the roller (2) is provided with a wire electrode (13) wound on the outer side wall of the guide wheel (5).

2. The automatic threading device of the wire-cut electric discharge machine according to claim 1, characterized in that: the outer side wall of the first fixing rod (3) is respectively connected with two servo motors (14) through bolt threads, and the output ends of the servo motors (14) penetrate through the outer side wall of the supporting block (6) and are welded on the outer side wall of the screw rod (7).

3. The automatic threading device of the wire-cut electric discharge machine according to claim 1, characterized in that: the outer side wall welding of second dead lever (4) has stand pipe (15), the lateral wall intercommunication of stand pipe (15) has inlet tube (16), wire electrode (13) run through the inside of stand pipe (15).

4. The automatic threading device of the wire-cut electric discharge machine according to claim 1, characterized in that: supporting shoe (6) are being close to lateral wall fixedly connected with optical axis (17) above lug (12), the lateral wall sliding connection of optical axis (17) has pneumatic finger (9).

5. The automatic threading device of the wire-cut electric discharge machine according to claim 1, characterized in that: the inner side wall of the sliding groove (10) is fixedly connected with a spring (18), and one end, far away from the inner side wall of the sliding groove (10), of the spring (18) is welded on the outer side wall of the sliding block (11).

6. The automatic threading device of the wire-cut electric discharge machine according to claim 1, characterized in that: two the inside wall of spout (10) is fixedly connected with first switch group (19) and second switch group (20) respectively, the electrical output of first switch group (19) pass through the wire with the electrical input electric connection of pneumatic finger (9) and servo motor (14), the electrical output of second switch group (20) pass through the wire with the electrical input electric connection of pneumatic finger (9) and servo motor (14).