CN217859187U

CN217859187U - Electric spark repairing device

Info

Publication number: CN217859187U
Application number: CN202221332081.1U
Authority: CN
Inventors: 胡永红; 母波
Original assignee: Hi P Chengdu Precision Plastic Manufacturing Co ltd
Current assignee: Hi P Chengdu Precision Plastic Manufacturing Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-22
Anticipated expiration: 2032-05-30

Abstract

The utility model provides an electric spark repairing device, including electric spark machine and mobilizable electric spark repairing pen, electric spark repairing pen with electric spark machine electricity is connected, electric spark repairing pen is used for forming pulse discharge and in waiting to repair work piece surface electroerosion spark pattern between work piece; the electric spark machine comprises an oil flushing pipe, and the oil flushing pipe is used for spraying spark oil to the electric spark repairing pen and the workpiece to be repaired. The utility model provides a spark repairing device utilizes the spark to repair the pen and treats the repair work piece and repair, and not only reprocess efficiently, the flexible operation moreover, application scope is wide, has reduced equipment and cost of labor simultaneously.

Description

Electric spark repairing device

Technical Field

The utility model belongs to the technical field of the electric spark equipment technique and specifically relates to an electric spark patching device is related to.

Background

The electric discharge machine is a special processing method for removing conductive materials by utilizing the electric erosion action generated during pulse discharge between two electrodes immersed in working liquid, is also called as electric discharge processing or electric erosion processing, and is widely applied to the manufacturing of various metal molds and mechanical equipment.

In the using process of the die, the forming surface of the die is sometimes damaged and scratched, and the forming surface of the die has spark lines. At this time, the electrode needs to be redesigned, an electrode program is written, and the electric spark department uses the electrode to discharge again to repair the surface of the workpiece.

As shown in fig. 1, a conventional electric discharge machine 5 for repairing a mold by electric discharge generally includes a head 51, an electrode holder 52, an electrode 53, and a magnetic table 54, wherein the electrode holder 52 is mounted on the head 51, and the electrode 53 is mounted on the electrode holder 52. When the repairing device is used, the workpiece 3 to be repaired (i.e. a die, the specific structure of which can be seen in fig. 4) is placed on the magnetic table 54, and then pulse spark discharge is performed between the electrode 53 and the workpiece 3 to be repaired by using a pre-programmed electrode machining program, so that an electric spark surface is formed on the surface of the workpiece 3 to be repaired (i.e. spark patterns are electrically etched on the surface of the workpiece 3 to be repaired).

Because the shapes, sizes, damage positions and the like of various dies are different, electrodes, CNC machining electrodes, electrode program compiling and the like need to be redesigned aiming at different dies during repair every time, so that the repair efficiency is greatly reduced, the product delivery period is influenced, and the equipment cost and the labor cost are increased.

Disclosure of Invention

The utility model aims at providing an electric spark patching device treats with electric spark patching pen and repairs the work piece and repair, and it is efficient not only to reprocess, and the flexible operation moreover, and application scope is wide, has reduced equipment and cost of labor simultaneously.

The utility model provides an electric spark repairing device, including electric spark machine and mobilizable electric spark repairing pen, electric spark repairing pen with electric spark machine electricity is connected, electric spark repairing pen is used for forming pulse discharge and electrocorrosion spark pattern on the work piece surface waiting to repair with waiting to repair between the work piece; the electric spark machine comprises an oil flushing pipe, and the oil flushing pipe is used for spraying spark oil to the electric spark repairing pen and the workpiece to be repaired.

In an implementation manner, the electric spark repairing pen includes a pen body and a pen point, the pen point is disposed at an end of the pen body, the pen body is made of an insulating material, the pen point is made of a conductive material, and the pen point is electrically connected to the electric spark machine.

In an implementation manner, the pen body is made of a plastic material, and the pen head is made of copper.

In one implementation, the pen point is detachably connected with the pen body.

In an implementable manner, the spark repair device further comprises a wire, and the pen point is electrically connected with the spark machine through the wire.

In one implementation, the wire is a flexible wire.

In an achievable form, the oil flushing pipe is movably arranged near an end of the workpiece to be repaired.

In an realizable mode, the electric spark machine further comprises a magnetic table top, the magnetic table top is used for placing the workpiece to be repaired, and the magnetic table top is electrically connected with the workpiece to be repaired; the electric spark machine is provided with a discharge device, and the electric spark repairing pen and the magnetic table top are respectively and electrically connected with two poles of the discharge device.

In one implementation, the electric discharge machine further comprises a spark oil tank disposed below the magnetic table.

In an implementation manner, the electric discharge machine further comprises a delivery pump, the delivery pump is communicated with the spark oil tank and the oil flushing pipe at the same time, and the delivery pump is used for delivering the spark oil in the spark oil tank to the oil flushing pipe.

The utility model provides a spark repairing device mends the pen through the design spark, mends the pen with the spark and is connected with spark machine electricity, utilizes the spark to mend the pen and treats the repair work piece and mend, makes and treats repair work piece surface electroerosion spark pattern, not only reprocesses efficiently, and the flexible operation is wide moreover, and application scope has reduced equipment and cost of labor simultaneously. Meanwhile, by arranging the oil flushing pipe, the spark oil is sprayed to the electric spark repairing pen and the workpiece to be repaired by the oil flushing pipe, so that the operation is convenient, the spark oil can circularly flow, and a good cooling effect is achieved.

Drawings

Fig. 1 is a schematic structural diagram of an electric discharge machine in the prior art.

Fig. 2 is a schematic structural diagram of an electric spark repairing apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the spark repairing pen of fig. 2.

Fig. 4 is a schematic structural diagram of the workpiece to be repaired in fig. 2.

Fig. 5 is a schematic diagram of a circulation process of spark oil according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms of orientation such as up, down, left, right, front, back, top, bottom, etc. (if any) referred to in the specification and claims of the present invention are defined as the positions of the structures in the drawings and the positions of the structures relative to each other, and are only used for the sake of clarity and convenience in technical solutions. It is to be understood that the use of directional terms should not be taken to limit the scope of the invention as claimed.

As shown in fig. 2, an embodiment of the present invention provides an electric spark repairing apparatus, which includes an electric spark machine 1 and a movable electric spark repairing pen 2, wherein the electric spark repairing pen 2 is electrically connected to the electric spark machine 1 (specifically, the electric spark repairing pen 2 is electrically connected to a discharge head of the electric spark machine 1), the electric spark repairing pen 2 is used for forming pulse discharge with a workpiece 3 (e.g., a mold) to be repaired and electrically corroding spark patterns on a surface of the workpiece 3 to be repaired; the electric spark machine 1 comprises an oil flushing pipe 11, and the oil flushing pipe 11 is used for spraying spark oil to the electric spark repairing pen 2 and the workpiece 3 to be repaired.

Specifically, as shown in fig. 4, when the surface of the workpiece 3 to be repaired is damaged or scratched, a portion a to be repaired is formed on the surface, and the surface of the workpiece needs to be re-repaired to electrically erode a spark pattern on the surface of the portion a to be repaired. The embodiment of the utility model provides an electric spark patching device, repair pen 2 through the design electric spark, repair pen 2 with the electric spark and be connected with 1 electricity of electric spark machine, utilize electric spark to repair pen 2 and treat and repair work piece 3 and repair, make and treat 3 surperficial electroerosion spark patterns of repairing work piece, it is efficient not only to reprocess, and because electric spark repair pen 2 is the movable design, the flexible operation, application scope is wide, need not redesign electrode simultaneously, CNC processing electrode, write electrode program etc, equipment and cost of labor have been reduced. Simultaneously, through setting up towards oil pipe 11, utilize towards oil pipe 11 to the spark repairing pen 2 and treat repairing work piece 3 injection spark oil, not only convenient operation makes spark oil can the circulation flow moreover to play good cooling effect.

Specifically, the working principle of the electric spark repairing device is as follows: by running a discharge program of the electric spark machine 1, pulse spark discharge is continuously generated between the electric spark repairing pen 2 and the workpiece 3 to be repaired, local and instantaneous high temperature is generated to gradually erode and remove metal materials on the workpiece 3 to be repaired, and an electric spark surface is formed. In the machining process, spark oil is sprayed to the electric spark repairing pen 2 (specifically to the pen point 22 of the electric spark repairing pen 2) and the workpiece 3 to be repaired through the oil filling pipe 11, the spark oil can be insulated and deionized, carbon residues generated by electric etching on the surface of the workpiece 3 to be repaired are washed away, and good cooling effects are achieved on the electric spark repairing pen 2 and the workpiece 3 to be repaired.

As shown in fig. 3, the spark repairing pen 2 includes a pen body 21 and a pen head 22, and the pen body 21 is made of an insulating material so that a user can hold the pen body 21 with a hand. The pen point 22 is arranged at the end part of the pen body 21, the pen point 22 is made of conductive materials, and the pen point 22 is electrically connected with the electric spark machine 1. When in use, pulse discharge is formed between the pen point 22 and the workpiece 3 to be repaired, and spark patterns are electrically corroded on the surface of the workpiece 3 to be repaired.

In one embodiment, the pen body 21 is made of plastic, and the pen head 22 is made of copper.

In one embodiment, the tip 22 is detachably connected to the body 21, so as to facilitate replacement of the tip 22. The size and the length of the pen point 22 can be processed and changed according to the shape of the workpiece so as to be suitable for different workpieces, thereby enlarging the application range of the electric spark repairing pen 2.

As shown in fig. 2 and 3, as an embodiment, the spark repairing device further includes a lead 4, and the pen head 22 is electrically connected to the spark machine 1 through the lead 4. The lead 4 is a flexible wire, thereby facilitating the movement and use of the spark repairing pen 2.

As shown in fig. 2, as an embodiment, one end of the oil flushing pipe 11 close to the workpiece 3 to be repaired is movably arranged, so that the position of the oil flushing pipe 11 can be adjusted according to the position change of the part a to be repaired during the repairing process. When in use, a user can hold the oil flushing pipe 11 with a hand to flush oil on the part A to be repaired; alternatively, a clamping device (not shown) may be additionally provided, and the flushing pipe 11 is clamped and fixed on the clamping device to flush the portion to be repaired a, so that the user does not need to hold the flushing pipe 11 with the hand.

As shown in fig. 2, as an embodiment, the electric discharge machine 1 further includes a magnetic table 12, the magnetic table 12 is used for placing the workpiece 3 to be repaired, the workpiece 3 to be repaired is fixed on the magnetic table 12 by magnetic force, and the magnetic table 12 is electrically connected to the workpiece 3 to be repaired. The electric spark machine 1 is provided with a discharging device (not shown), the electric spark repairing pen 2 and the magnetic table board 12 are respectively and electrically connected with two poles (namely, the positive pole and the negative pole of the discharging device) of the discharging device, so that after the electric spark repairing pen 2 and the workpiece 3 to be repaired are close to each other and the distance between the electric spark repairing pen 2 and the workpiece 3 to be repaired is reduced to a certain distance after electrification, pulse voltage applied to the electric spark repairing pen 2 and the workpiece 3 to be repaired can break down spark oil to generate spark discharge.

As shown in fig. 5, the electric discharge machine 1 further includes a spark oil tank 13, the spark oil tank 13 is disposed below the magnetic table 12, and the spark oil tank 13 stores spark oil and receives the spark oil discharged from the oil flushing pipe 11. The electric discharge machine 1 further comprises a delivery pump 14, the delivery pump 14 is simultaneously communicated with the spark oil tank 13 and the oil flushing pipe 11, and the delivery pump 14 is used for delivering the spark oil in the spark oil tank 13 to the oil flushing pipe 11.

Specifically, during operation, the transfer pump 14 transfers the spark oil in the spark oil tank 13 to the oil flushing pipe 11 and the spark oil is sprayed out from the oil flushing pipe 11; the spark oil sprayed from the oil flushing pipe 11 flows through the surface of the workpiece 3 to be repaired and the surface of the magnetic table top 12 and then drops downwards into the spark oil tank 13, so that the cyclic reuse of the spark oil is realized.

The working process of the electric spark repairing device in the embodiment is as follows:

1. firstly, the electric spark repairing pen 2 is electrically connected with an electric spark machine 1 through a lead 4, then a workpiece 3 to be repaired is placed on a magnetic table top 12, the workpiece 3 to be repaired does not need to be leveled and the direction is not distinguished, and only the processing is convenient;

2. placing the oil flushing pipe 11 obliquely above the part A to be repaired on the workpiece 3 to be repaired, opening the oil flushing to keep the surface of the part A to be repaired with flowing spark oil;

3. inputting corresponding discharge parameters according to the required surface roughness of the workpiece and executing a program, holding the electric spark repairing pen 2 by hand to move slowly above the surface of the part A to be repaired, generating spark discharge between the pen point 22 of the electric spark repairing pen 2 and the surface of the workpiece locally, and discharging the scratched surface into a required electric spark surface. The surface roughness of the spark surface can be controlled by the discharge parameters of the machine tool, and each surface roughness has corresponding discharge parameters. And the tip 22 of the spark repairing pen 2 can be rotated, so that the spark repairing pen 2 can repair a workpiece with any shape.

The embodiment of the utility model provides an electric spark patching device, repair pen 2 and combine electric spark machine 1 through the design electric spark, repair pen 2 with the electric spark and be connected with 1 electricity of electric spark machine, utilize electric spark to repair pen 2 and treat and repair work piece 3 and repair, make and treat 3 surperficial electroerosion spark patterns of repairing work piece, it is efficient not only to reprocess, and because electric spark repair pen 2 is the movable design, the flexible operation, application scope is wide, need not redesign electrode simultaneously, CNC processing electrode, write electrode program etc, equipment and cost of labor have been reduced. Meanwhile, through the arrangement of the oil flushing pipe 11, spark oil is sprayed to the electric spark repairing pen 2 and the workpiece 3 to be repaired by the oil flushing pipe 11, so that the operation is convenient, the spark oil can flow circularly, and a good cooling effect is achieved.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An electric spark repairing device is characterized by comprising an electric spark machine (1) and a movable electric spark repairing pen (2), wherein the electric spark repairing pen (2) is electrically connected with the electric spark machine (1), and the electric spark repairing pen (2) is used for forming pulse discharge with a workpiece (3) to be repaired and electrically corroding spark patterns on the surface of the workpiece (3) to be repaired; the electric spark machine (1) comprises an oil flushing pipe (11), and the oil flushing pipe (11) is used for spraying spark oil to the electric spark repairing pen (2) and the workpiece (3) to be repaired.

2. The spark repairing device according to claim 1, wherein said spark repairing pen (2) comprises a body (21) and a tip (22), said tip (22) being arranged at an end of said body (21), said body (21) being made of an insulating material, said tip (22) being made of an electrically conducting material, said tip (22) being electrically connected to said spark machine (1).

3. The spark erosion repair device according to claim 2, wherein said body (21) is made of plastic material and said tip (22) is made of copper.

4. Spark-erosion repair device according to claim 2, characterized in that said tip (22) is removably connected to said body (21).

5. The spark repairing device according to claim 2, further comprising a lead wire (4), wherein said pen head (22) is electrically connected to said spark machine (1) through said lead wire (4).

6. Spark erosion repair device according to claim 5, characterized in that said wire (4) is a flexible wire.

7. An electric spark repair device as claimed in claim 1, characterized in that the end of the flushing oil pipe (11) close to the workpiece (3) to be repaired is movably arranged.

8. The electric spark repairing device according to claim 1, characterized in that the electric spark machine (1) further comprises a magnetic table (12), the magnetic table (12) is used for placing the workpiece (3) to be repaired, and the magnetic table (12) is electrically connected with the workpiece (3) to be repaired; the electric spark machine (1) is provided with a discharging device, and the electric spark repairing pen (2) and the magnetic table board (12) are respectively and electrically connected with two poles of the discharging device.

9. Spark erosion repair device according to claim 8, wherein said electrical discharge machine (1) further comprises a spark oil tank (13), said spark oil tank (13) being arranged below said magnetic table (12).

10. The spark repairing apparatus according to claim 9, wherein said electric discharge machine (1) further comprises a delivery pump (14), said delivery pump (14) being in communication with said spark oil tank (13) and said flushing pipe (11) at the same time, said delivery pump (14) being adapted to deliver spark oil in said spark oil tank (13) to said flushing pipe (11).