CN210877956U

CN210877956U - Experimental device for electric spark machining

Info

Publication number: CN210877956U
Application number: CN201922008371.5U
Authority: CN
Inventors: 张伟
Original assignee: Suzhou Siweiheng Electronic Technology Co ltd
Current assignee: Suzhou Siweiheng Electronic Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-06-30
Anticipated expiration: 2029-11-20

Abstract

The utility model belongs to the technical field of spark-erosion machining, especially, be an experimental apparatus for spark-erosion machining, including switch board and thread groove, the top of switch board is provided with the limiting plate, and the top of limiting plate installs the slip post, the draw-in groove has been seted up on the right side of slip post, and the inboard of draw-in groove installs the kelly, feeding device is installed on the right side of kelly, and feeding device's bottom is provided with the work piece, the outside of work piece is provided with the work cistern, and the bottom of work piece is provided with free electrode, the bottom of free electrode is provided with the instrument electrode, and the bottom of instrument electrode installs powerful magnet, powerful magnet's bottom is provided with the connecting piece, and the bottom of connecting piece. According to the experimental device for electric spark machining, the free electrode is added between the workpiece and the tool electrode, so that the loss of the electrode can be avoided, the machining efficiency is improved, the machining precision is improved, the machining cost is reduced, and the machining period is shortened.

Description

Experimental device for electric spark machining

Technical Field

The utility model relates to an electrical discharge machining technical field specifically is an electrical discharge machining's experimental apparatus.

Background

With the development of the technology, various efficient electrode manufacturing methods such as high-speed machining, die pressing, electroforming, powder metallurgy, rapid prototyping and the like are continuously updated, but for manufacturing electrodes for electric spark machining with large areas and complex shapes, the design and machining period and cost still account for about half of that of a die or a product, which seriously restricts the further development of the electric spark machining, so that the tool electrode loss in the electric spark machining process is reduced, the tool electrode loss can be repeatedly used, the tool electrode loss is one of the hot spots of the current electric spark machining research, and the key technology to be solved urgently in the electric spark industry.

At present traditional spark-erosion machining generally chooses melting point and boiling point height for use, and the material that the heat conductivity is big, tool electrode material commonly used has copper, tungsten, molybdenum and graphite etc, there is the preparation cost height of complicated shape electrode, the cycle length, there is the loss in the course of working electrode, difficult used repeatedly's shortcoming, it is slow to lead to machining efficiency, the machining precision is low, the problem of machining cost height and high worker cycle length, need have and add free electrode between work piece and tool electrode, can avoid the loss of electrode, and then improve machining efficiency, improve the machining precision, reduce the machining cost, reduce the novel spark-erosion machining experimental apparatus of machining cycle.

In order to solve the above problems, innovative design based on the conventional electric discharge machining apparatus is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric spark machining's experimental apparatus to solve the preparation cost height, the cycle length of the like product complicated shape electrode that proposes in the above-mentioned background art, there is the loss in the course of working electrode, and difficult used repeatedly's shortcoming leads to machining efficiency slow, and the machining precision is low, the problem of the high and high worker cycle length of processing cost.

In order to achieve the above object, the utility model provides a following technical scheme: an experimental device for electric spark machining comprises a control cabinet and a thread groove, wherein a limiting plate is arranged at the top of the control cabinet, a sliding column is arranged at the top of the limiting plate, a clamping groove is formed in the right side of the sliding column, a clamping rod is arranged on the inner side of the clamping groove, a feeding device is arranged on the right side of the clamping rod, a workpiece is arranged at the bottom end of the feeding device, a working liquid groove is formed in the outer side of the workpiece, a free electrode is arranged at the bottom end of the workpiece, a tool electrode is arranged at the bottom end of the free electrode, a strong magnet is arranged at the bottom end of the tool electrode, a connecting piece is arranged at the bottom end of the strong magnet, a spring is arranged at the bottom end of the connecting piece, a sliding disc is arranged at the bottom end of the sliding disc, a moving chassis is arranged on the outer, and the outside of second spout is provided with the base, the thread groove is seted up in the right side on removal chassis, and the inboard of thread groove installs the screw rod, first gear is installed on the right side of screw rod, and the right side of first gear installs the second gear, servo motor is installed on the top of second gear, and servo motor's left side installs the hydraulic telescoping device, the outside of hydraulic telescoping device is provided with the telescopic link, and the inboard of telescopic link runs through there is the catch bar.

Preferably, the clamping grooves are equidistantly formed in the outer wall of the sliding column, and a sliding structure is arranged between the sliding column and the limiting plate.

Preferably, the free electrode and the powerful magnet are symmetrically arranged about the central axis of the tool electrode, and the powerful magnet and the connecting piece are integrally arranged.

Preferably, the sliding disc and the movable chassis form a sliding structure through the first sliding chute, and the movable chassis and the base form a lifting structure through the second sliding chute.

Preferably, the thread groove is in threaded connection with the screw rod, the screw rod is in welded connection with the first gear, and the first gear is in meshed connection with the second gear.

Preferably, the hydraulic expansion piece is nested outside the expansion rod, and the expansion rod is in interference connection with the push rod.

Compared with the prior art, the beneficial effects of the utility model are that: according to the experimental device for electric spark machining, the free electrode is added between the workpiece and the tool electrode, so that the loss of the electrode can be avoided, the machining efficiency is improved, the machining precision is improved, the machining cost is reduced, and the machining period is shortened;

1. the universal wheel of the experimental device for electric spark machining can remove the workpiece by enabling the free electrode to regularly roll on the surface of the tool electrode and generate discharge with the workpiece, and finally copy the shape of the tool electrode on the workpiece, so that the machining of parts is realized, the loss of the electrode can be avoided, and the machining efficiency is improved;

2. this spark-erosion machining's experimental apparatus passes through servo motor and hydraulic telescopic ware's setting, can nimble convenient slip dish and the removal on removal chassis, and the control simple operation is high-efficient, and user experience feels high, can the high-speed motion bring discharge rapidly, has not only reduced the processing cost, but also has reduced the processing cycle.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the connection structure of the limiting plate and the sliding column of the present invention;

FIG. 3 is a schematic side view of the hydraulic telescopic device of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a control cabinet; 2. a limiting plate; 3. a sliding post; 4. a card slot; 5. a clamping rod; 6. a feeding device; 7. a workpiece; 8. a working liquid tank; 9. a free electrode; 10. a tool electrode; 11. a strong magnet; 12. a connecting member; 13. a spring; 14. a sliding disk; 15. a first chute; 16. moving the chassis; 17. a second chute; 18. a base; 19. a thread groove; 20. a screw; 21. a first gear; 22. a second gear; 23. a servo motor; 24. a hydraulic jack; 25. a telescopic rod; 26. a push rod.

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.

Referring to fig. 1-4, the present invention provides a technical solution: an experimental device for electric spark machining comprises a control cabinet 1, a limiting plate 2, a sliding column 3, a clamping groove 4, a clamping rod 5, a feeding device 6, a workpiece 7, a working liquid groove 8, a free electrode 9, a tool electrode 10, a strong magnet 11, a connecting piece 12, a spring 13, a sliding disc 14, a first sliding groove 15, a moving chassis 16, a second sliding groove 17, a base 18, a threaded groove 19, a screw rod 20, a first gear 21, a second gear 22, a servo motor 23, a hydraulic expansion bend 24, a telescopic rod 25 and a push rod 26, wherein the limiting plate 2 is arranged at the top of the control cabinet 1, the sliding column 3 is arranged at the top of the limiting plate 2, the clamping groove 4 is formed in the right side of the sliding column 3, the clamping rod 5 is arranged on the inner side of the clamping groove 4, the feeding device 6 is arranged on the right side of the clamping rod 5, the workpiece 7 is arranged at the bottom end of, a free electrode 9 is arranged at the bottom end of the workpiece 7, a tool electrode 10 is arranged at the bottom of the free electrode 9, a strong magnet 11 is arranged at the bottom of the tool electrode 10, a connecting piece 12 is arranged at the bottom of the strong magnet 11, a spring 13 is arranged at the bottom of the connecting piece 12, a sliding disc 14 is arranged at the bottom of the spring 13, a first sliding groove 15 is arranged at the bottom end of the sliding disc 14, a moving chassis 16 is arranged at the outer side of the first sliding groove 15, a second sliding groove 17 is arranged at the bottom of the moving chassis 16, a base 18 is arranged at the outer side of the second sliding groove 17, a threaded groove 19 is arranged at the right side of the moving chassis 16, a screw rod 20 is arranged at the inner side of the threaded groove 19, a first gear 21 is arranged at the right side of the screw rod 20, a second gear 22 is arranged at the right side of the first gear 21, a servo motor 23, the outer side of the hydraulic telescopic device 24 is provided with a telescopic rod 25, and the inner side of the telescopic rod 25 is penetrated with a push rod 26;

furthermore, the clamping grooves 4 are equidistantly arranged on the outer wall of the sliding column 3, a sliding structure is arranged between the sliding column 3 and the limiting plate 2, and the clamping rods 5 can be conveniently fixed by a user and the height position of the user can be conveniently adjusted by equidistantly arranging the clamping grooves 4;

furthermore, the free electrode 9 and the strong magnet 11 are symmetrically arranged about the central axis of the tool electrode 10, and the strong magnet 11 and the connecting piece 12 are integrally arranged, so that the loss of the electrode can be avoided, and the processing efficiency is improved;

furthermore, the sliding disc 14 and the moving chassis 16 form a sliding structure through the first sliding chute 15, and the moving chassis 16 and the base 18 form a lifting structure through the second sliding chute 17, so that the structure has strong mobility, the moving direction is reasonable and efficient, and the electrode is conveniently and quickly moved;

furthermore, the thread groove 19 is in threaded connection with the screw rod 20, the screw rod 20 is in welded connection with the first gear 21, and the first gear 21 is in meshed connection with the second gear 22, so that the device can be effectively guaranteed to move, and the device is high in moving flexibility;

further, the hydraulic telescopic device 24 is nested outside the telescopic rod 25, the telescopic rod 25 and the push rod 26 are in interference connection, power support can be provided for sliding of the movable chassis 16, the sliding mode is convenient and efficient, and the working efficiency is high.

The working principle is as follows: the use principle of the experimental device for electric spark machining is that firstly, a user connects power supplies of a control cabinet 1, a servo motor 23 and a hydraulic expansion piece 24, the type of the servo motor 23 is D180M-O250030C-E, the type of the hydraulic expansion piece 24 is ROB32X300, the sliding column 3 on the inner side of a limiting plate 2 is slid by adjusting the height position of a feeding device 6, a clamping groove 4 on the inner side of the sliding column 3 is clamped with a clamping rod 5, the positions of the feeding device 6 and a workpiece 7 are adjusted, the servo motor 23 drives a second gear 22, a first gear 21 and a screw 20 to rotate, due to the arrangement of a threaded groove 19 on the right side of a moving chassis 16, the moving chassis 16 can be driven to slide left and right on the inner side of a second sliding groove 17, meanwhile, the hydraulic expansion piece 24 drives a telescopic rod 25 and a push rod 26 to move, the sliding disk 14 slides on the inner side of the first sliding groove 15, and the tool electrode 10 and the workpiece 7 are added, The magnetic free electrodes 9 with uniform size independently control the corresponding free electrodes 9 by using the separated strong magnets 11, and the strong magnets 11 are driven to move by the sliding disc 14 and the moving chassis 16, so that the free electrodes 9 regularly roll on the surface of the tool electrode 10 and generate electric discharge with the workpiece 7, further the workpiece 7 is removed, and finally the shape of the tool electrode 10 is copied on the workpiece 7, thereby realizing the processing of parts.

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. An experimental device for electric spark machining comprises a control cabinet (1) and a thread groove (19), and is characterized in that: the top of the control cabinet (1) is provided with a limiting plate (2), the top of the limiting plate (2) is provided with a sliding column (3), the right side of the sliding column (3) is provided with a clamping groove (4), the inner side of the clamping groove (4) is provided with a clamping rod (5), the right side of the clamping rod (5) is provided with a feeding device (6), the bottom end of the feeding device (6) is provided with a workpiece (7), the outer side of the workpiece (7) is provided with a working liquid groove (8), the bottom end of the workpiece (7) is provided with a free electrode (9), the bottom of the free electrode (9) is provided with a tool electrode (10), the bottom of the tool electrode (10) is provided with a strong magnet (11), the bottom of the strong magnet (11) is provided with a connecting piece (12), the bottom of the connecting piece (12) is provided with a spring (13), the bottom of, a first sliding chute (15) is arranged at the bottom end of the sliding disc (14), a movable chassis (16) is arranged at the outer side of the first sliding chute (15), a second sliding chute (17) is arranged at the bottom of the movable chassis (16), and the outer side of the second sliding chute (17) is provided with a base (18), the thread groove (19) is arranged on the right side of the movable chassis (16), a screw rod (20) is arranged on the inner side of the thread groove (19), a first gear (21) is arranged on the right side of the screw rod (20), a second gear (22) is arranged on the right side of the first gear (21), a servo motor (23) is arranged at the top end of the second gear (22), and a hydraulic expansion piece (24) is installed on the left side of the servo motor (23), a telescopic rod (25) is arranged on the outer side of the hydraulic expansion piece (24), and a push rod (26) penetrates through the inner side of the telescopic rod (25).

2. An experimental apparatus for electric discharge machining according to claim 1, characterized in that: the clamping grooves (4) are equidistantly arranged on the outer wall of the sliding column (3), and a sliding structure is arranged between the sliding column (3) and the limiting plate (2).

3. An experimental apparatus for electric discharge machining according to claim 1, characterized in that: the free electrode (9) and the strong magnet (11) are symmetrically arranged relative to the central axis of the tool electrode (10), and the strong magnet (11) and the connecting piece (12) are integrally arranged.

4. An experimental apparatus for electric discharge machining according to claim 1, characterized in that: the sliding disc (14) and the movable chassis (16) form a sliding structure through the first sliding chute (15), and the movable chassis (16) and the base (18) form a lifting structure through the second sliding chute (17).

5. An experimental apparatus for electric discharge machining according to claim 1, characterized in that: the thread groove (19) is in threaded connection with the screw rod (20), the screw rod (20) is in welded connection with the first gear (21), and the first gear (21) is in meshed connection with the second gear (22).

6. An experimental apparatus for electric discharge machining according to claim 1, characterized in that: the hydraulic expansion piece (24) is nested outside the expansion rod (25), and the expansion rod (25) is in interference connection with the push rod (26).