KR20140050376A - Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same - Google Patents

Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same Download PDF

Info

Publication number
KR20140050376A
KR20140050376A KR1020120116725A KR20120116725A KR20140050376A KR 20140050376 A KR20140050376 A KR 20140050376A KR 1020120116725 A KR1020120116725 A KR 1020120116725A KR 20120116725 A KR20120116725 A KR 20120116725A KR 20140050376 A KR20140050376 A KR 20140050376A
Authority
KR
South Korea
Prior art keywords
jig
electrode
hole
discharge machining
electric discharge
Prior art date
Application number
KR1020120116725A
Other languages
Korean (ko)
Inventor
김성일
김원태
Original Assignee
김성일
김원태
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김성일, 김원태 filed Critical 김성일
Priority to KR1020120116725A priority Critical patent/KR20140050376A/en
Publication of KR20140050376A publication Critical patent/KR20140050376A/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/04—Electrodes specially adapted therefor or their manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00—Auxiliary apparatus or details, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H2500/00—Holding and positioning of tool electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The present invention relates to a jig connector capable of easily fixing a discharge electrode to an accurate point of an NC processing jig and a connection structure for a discharge electrode and an NC processing jig by using the same. The jig connector may easily fix the discharge electrode, which is difficult to be fixed in a screw method as being formed with a soft material such as a graphite electrode, to the accurate position of the NC processing jig without using the screw method.

Description

TECHNICAL FIELD [0001] The present invention relates to a jig assembly for fixing an electrode for electric discharge machining, an electrode for electric discharge machining using the same, and a jig for a NC machining apparatus using the jig assembly. [0002] Japanese Patent Application Laid- SAME}

The present invention relates to a jig coupling body for fixing an electrode for electric discharge machining to a jig for an NC machining apparatus and a coupling structure using the jig coupling body. More specifically, the present invention relates to a jig coupling body for easily fixing an electrode for electric discharge machining, And a joint structure of an electric discharge machining electrode and a jig for an NC machining apparatus using the same.

Electrical discharge machining refers to a method of processing a target into a specific shape by using a physical and mechanical action generated when a discharge is generated between two electrodes. The discharge machining is a finishing means for minimizing the error range of the precision mold, and improves the precision of the mold product through the discharge machining.

In order to perform the electrical discharge machining, an electrode for electric discharge machining is required. Such an electrode for electric discharge machining is first machined by using an NC machining apparatus in a shape for electric discharge machining. After that, Discharge processing is performed. That is, in order to perform the electric discharge machining, the electrode for electric discharge machining must first be formed into a desired shape, and then the electrode for electric discharge machining machined to a desired shape must be mounted in the electric discharge machining apparatus and subjected to electric discharge machining.

In order to process the discharge machining electrode to a desired shape, the discharge machining electrode must be firmly fixed at the precise position of the jig for the NC machining apparatus so that accurate machining can be performed when the electrode is mounted on the jig for the NC machining apparatus. . Likewise, when the electric discharge machining apparatus uses the machined electric discharge machining electrode, the electric discharge machining electrode must be firmly fixed to the correct position of the electric discharge machining jig.

For this purpose, various methods for fixing and installing the electrode for electric discharge machining on the jig of the NC machining apparatus and the electric discharge machining apparatus have been studied. According to this prior art, Korean Patent No. 10-0879512 discloses an electrode for discharge machining and a jig Joint structure ', and Korean Unexamined Patent Publication No. 10-2008-0057378 discloses a' coupling structure of electrode and holder for electric discharge machining '.

However, the conventional techniques for fixing the electrode for electric discharge machining to a jig for an NC machining apparatus or an electric discharge machining apparatus are coupled and fixed by using screws, and it is cumbersome and inconvenient to fix the electrode at an accurate position. In particular, a graphite electrode is mainly used as an electrode for electric discharge machining, but such a graphite electrode is not hard, and there is a problem in that it is fixed by a screw coupling method.

Due to such a problem, in the case of using an electrode for electric discharge machining as a graphite electrode, the graphite electrode is fixed by using an adhesive mainly at the precise position of a jig for an NC machining apparatus and a jig for an electric discharge machining apparatus. However, it is very cumbersome to fix the graphite electrode in an exact position by using an adhesive agent every time the operation is performed. In addition, a single graphite electrode may be used for installing a jig for a NC machining apparatus and for installing an electric discharge machining apparatus jig Fixing is very inefficient.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and provides a jig assembly capable of easily fixing an electrode for electric discharge machining to an accurate position of a jig for an NC machining apparatus and a joint structure of an electrode for electric discharge machining and a jig for an NC machining apparatus using the jig assembly. do.

In addition, the present invention provides a jig coupling body which is made of a non-rigid material such as a graphite electrode and can easily fix an electrode for electric discharge machining, which is hard to be engaged and fixed by a screw coupling method, at an accurate position of a jig for a NC machining apparatus, Electrode and a jig for a NC machining apparatus.

The jig combined body for fixing the electrode for electric discharge machining according to the present invention has a hollow hole (111) for fixing an electrode for electric discharge machining (20) having a central groove (24) formed on one surface thereof, A body (110) having a protrusion (114) protruding upwardly so as to have a gradually inclined inward shape; An adhesion member 120 having a gap 122 formed to be elongated in the longitudinal direction so as to be opened by the protrusion 114 as it is compressed in a state of being inserted into the protrusion 114; A shanghai member 130 inserted into the hollow hole 111 and having a shank and a center hole 131; A sliding member 140 which is inserted into the center hole 131 and slides down the upper and lower movable members 130; The upper and lower movable members 130 engage with the hollow hole 111 in a state where the contact member 120 is inserted into the protrusion 114 to prevent the contact member 120 from being separated from the upper and lower movable members 120, An upper cap (150) for pressing the contact member (120) when the moving member (130) descends; A lower cap 160 coupled to a lower portion of the body 110 in a state where the shank member 130 is inserted into the hollow hole 111 to prevent the shank member 130 from being separated; And an elastic member 170 that is interposed between the lower cap 160 and the shank moving member 130 to provide a predetermined elastic force upward.

The jig assembling body 100 is formed in a state in which the centering groove 24 of the electric discharge machining electrode 20 is inserted into the tightening member 120 and the tightening member 120 is slid as the sliding member 140 slides. So that the electrode 20 can be fixed to the central groove 24.

Further, the joint structure between the electrode for electric discharge machining and the jig for NC machining apparatus according to the present invention uses the jig assembly 100 having the above-described structure, 10, the electrode 20 for electric discharge machining is fixed.

The jig combined body according to the present invention having the above-described structure, and the combined structure of the electrode for electric discharge machining and the jig for NC machining apparatus using the same, can effectively fix the electrode for electric discharge machining to the precise position of the jig for NC machining unit.

In addition, since the jig combination body according to the present invention, the electrode for electric discharge machining using the same, and the jig for NC machining device do not use a screw coupling method, the electrode for electric discharge machining, which is made of hard material such as graphite electrode, So that it can be easily fixed to the exact position of the jig.

1 is a view showing a state where a jig combination body according to an embodiment of the present invention is mounted on a jig for an NC machining apparatus,
2 is a view showing an electrode for electric discharge machining according to an embodiment of the present invention,
3 is an exploded perspective view of a jig combination according to an embodiment of the present invention,
4 is a cross-sectional view schematically showing a state in which the electrode for electric discharge machining is fixed to the jig combination body according to Fig. 3,
5 is a cross-sectional view schematically illustrating a state in which the electrode for electric discharge machining is not fixed by the jig assembly according to FIG. 3.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. Rather, the intention is not to limit the invention to the particular forms disclosed, but rather, the invention includes all modifications, equivalents and substitutions that are consistent with the spirit of the invention as defined by the claims.

Also, in the accompanying drawings, thickness and size are exaggerated for clarity of description, and thus the present invention is not limited by the relative size or thickness shown in the attached drawings.

On the other hand, relative terms such as 'up' and 'down' in the present specification can be used to describe the relationship between the components based on the direction shown in the drawings, the present invention is not limited by such terms.

The present invention relates to a jig assembly capable of easily fixing an electrode for electric discharge machining to a precise position of a jig for an NC machining apparatus, and a joint structure of an electrode for electric discharge machining and a jig for an NC machining apparatus using the same. Particularly, the present invention can easily fix an electrode for electric discharge machining, which is made of a non-rigid material such as a graphite electrode, in a screw joint manner, in a precise position of a jig for an NC machining apparatus, The present invention relates to a jig coupling body, an electrode for electric discharge machining using the jig coupling body, and a coupling structure of a jig for an NC machining apparatus.

FIG. 1 is a view showing a state where a jig assembly according to an embodiment of the present invention is mounted on a jig for an NC machining apparatus, and FIG. 2 is a diagram showing an electrode for electric discharge machining according to an embodiment of the present invention.

1 and 2, the joint structure between the electrode for electric discharge machining and the jig for NC machining apparatus according to the present invention comprises a jig for NC machining apparatus 10, an electrode for electric discharge machining 20 and an electrode for electric discharge machining 20, And a jig assembly 100 to be fixed to the jig 10 for a processing apparatus.

The NC machining apparatus jig 10 may be provided with mounting holes 11 at which predetermined jig assemblies 100 are mounted so that a plurality of jig assemblies 100 may be mounted.

The electrode for electric discharge machining 20 is provided with a center groove 24 formed on the opposite surface 22 of the machining surface to be machined by the NC machining apparatus and a center groove 24 formed around the center groove 24, A frame groove 26 and a plurality of fixing grooves 28 formed around the frame groove 26 at predetermined intervals.

The jig combination body 100 is inserted and mounted in the mounting hole 11 of the jig 10 and is fixed around the mounting hole 11 of the jig 10 by fixing the jig assembling body 100 mounted on the mounting hole 11 The fixing unit may be provided with a fixing unit for fixing the fixing unit. The jig assembly 100 is preferably provided with a flange 102 that extends outwardly to engage the mounting hole 11 and the fixing member includes a flange member 14 having a flange portion 13 for pressing the flange 102 And a fixing screw 15 for fixing the flange member 14 to the fixed-portion recombination portion 12 in a state in which the flange portion 13 presses the flange 102. The flange member 14 is inserted into the fixed portion recombination portion 12 so that the flange portion 13 is placed on the flange 102 after the jig combination body 100 is mounted on the mounting hole 11, The jig assembling body 100 can be fixed to the jig 10 by fixing the flange member 14 to the fixed portion recombining portion 12 so that the flange portion 13 presses the flange 102 using the flange portion 13.

Further, the electrode for electric discharge machining 20 is inserted and fixed in the upper part of the jig assembling body 100 with the center groove 24 therebetween. That is, the jig 10 and the electrode 20 according to the present invention are fixed by inserting the electrode 20 into the upper portion of the jig assembling body 100 in a state where the jig assembling body 100 is fixed to the jig 10, .

Hereinafter, the specific configuration of the jig assembling body 100 for fixing the electrode 20 to the upper side of the jig assembling body 100 will be described in detail.

Figure 3 is an exploded perspective view of a jig assembly according to an embodiment of the present invention, Figure 4 is a cross-sectional view schematically showing a state in which the electrode for electrical discharge machining is fixed to the jig assembly according to Figure 3, Figure 5 is an electrode for electrical discharge machining Figure It is sectional drawing which shows schematically the state which is not fixed by the jig | tool assembly which concerns on 3.

3 to 5, a jig assembly 100 according to an embodiment of the present invention includes a body 110, a contact member 120, a vertical moving member 130, a sliding member 140, 150, a lower cap 160, and an elastic member 170.

The body 110 has a flange 102 formed on the outer surface thereof, a hollow hole 111, a side hole 112 connected to the hollow hole 111, and a fastening hole 112 formed on the inner side facing the side hole 112. [ A protrusion 114 protruding upward to have a shape inclined inward as the outer circumferential surface moves upward.

The contact member 120 is provided with a hollow hole 121 to be inserted into the protrusion 114. The protrusion 114 is inserted into the protrusion 114 and the protrusion 114 is inserted into the protrusion 114, And a groove 123 may be provided at an end of the gap 122 to facilitate the opening.

The close contact member 120 is a configuration in which the center groove 24 of the electrode 20 for electric discharge machining is inserted, and the close contact member 120 is inserted in the state in which the center groove 24 of the electrode 20 is inserted into the close contact member 120. When the outer surface of the close contact member 120 is in close contact with the inner surface of the center groove 24 of the electrode 20 to fix the electrode 20 to the jig assembly 100.

Preferably, a plurality of ribs 124 in the circumferential direction may be formed on the outer circumferential surface of the contact member 120. Then, when the inner surface of the center groove 24 is in close contact with the outer surface of the contact member 120, the electrode 20 may be pressed by the rib 124 so that the inner surface of the center groove 24 may be pressed together. Can be more firmly fixed to the (100).

The shankdong member 130 is inserted into the hollow hole 111 of the body 110 and coupled to the body 110 to be shangdong, the center of the shankdong member 130 is connected to the side hole 112 The hole 131 may be provided.

The sliding member 140 is inserted into the center hole 131 of the upper and lower movable member 130 and slides down to lower the movable upper member 130.

The upper cap 150 is engaged with the upper and lower movable member 140 inserted in the hollow hole 111 in a state in which the contact member 120 is inserted into the projection 114 to prevent the contact member 120 from coming off, And the contact member 120 is compressed when the moving member 140 descends.

The lower cap 160 is coupled to the lower portion of the body 110 in a state where the upper and lower movable members 130 are inserted into the hollow holes 111 to prevent the upper and lower movable members 130 from being separated.

The elastic member 170 is interposed between the lower cap 160 and the upper and lower movable members 140 to provide a predetermined elastic force upward.

Therefore, when the sliding member 140 is slid while the center groove 24 of the electrode 20 is inserted into the contact member 120, the upper and lower movable members 120, The contact member 120 is pressed by the upper cap 150 to be opened by the protrusion 114 so that the outer surface of the contact member 120 and the center of the electrode 20 The electrode 20 can be fixed to the jig assembling body 100 while the inner surface of the electrode assembly 24 is in close contact.

That is, the jig assembly 100 may fix the electrode 20 by a method in which the close contact member 120 is in close contact with the center groove 24 formed in the electrode 20 even though it is not a separate screw coupling method. Like the graphite electrode, the electrode 20 for electric discharge machining, which is not hard, can be firmly fixed.

When the sliding member 140 is again slid reversely, the upper and lower movable members 130 are lifted again by the elastic force of the elastic member 170, The contact between the outer surface of the contact member 120 and the inner surface of the central groove 24 of the electrode 20 is released and the electrode 20 is released from the jig assembly 100 do.

Hereinafter, an embodiment in which the vertical moving member 130 is lowered as the sliding member 140 is slid will be described.

The sliding member 140 has a stepped portion 141 which is inclined by a predetermined angle inward in a direction in which the outer circumferential surface slides and a sliding member 140 is provided below the inner surface of the center hole 131 of the up- The slant portion 132 may be inclined upward by a predetermined angle. When the sliding member 140 is slid, the sloped portion 132 of the upper and lower movable member 130 is pushed by the stepped portion 141 so that the movable upper and lower movable members 130 can descend.

Preferably, the body 110 is provided with a side hole 112 connected to the hollow hole 111, the center hole 131 of the shankdong member 130 may be connected to the side hole 112. Then, the sliding member 140 can be slid by the tool 16 is inserted into the side hole (112). This configuration provides a great convenience when an operator intends to fix the discharge machining electrode 20 to the jig 10 for an NC machining apparatus by using the jig assembling body 100. [

1, the electrode 20 for electric discharge machining is fitted and fixed to the upper portion of the jig assembling body 100 in a state where the jig assembling body 100 is mounted on the mounting hole 11 of the jig 10. However, It is difficult to fix it in the lower part or the upper part. Therefore, by forming the side hole 112 on the side surface and inserting the predetermined tool 16 into the side hole 112 to slide the sliding member 140, the electrode 20 can be easily inserted into the jig combination body 100 of the present invention.

Also, the sliding member 140 may be provided so that the operator can slide the sliding member 140 by a predetermined force, but it is preferable that the operator can slide the sliding member 140 by the rotation of the tool 16.

To this end, a fastening hole 113 is provided at an inner side surface of the body 110 facing the side hole 112, and a tool 16 inserted into the side hole 112 is fitted at one side of the sliding member 140. Is coupled to the side hole 112 but is provided with a coupling groove 142 is stepped on the inner side to rotate by the rotation of the tool 16, the other side fastening hole 113 in the case of the sliding member 140 is rotated The coupling part 143 may be provided. As the sliding member 140 is rotated by the rotation of the tool 16 coupled to the coupling groove 142, the coupling portion 143 can be slid while being fastened to the coupling hole 113 of the body 110 .

According to this configuration, as long as the operator does not rotate the sliding member 140 by using the tool 16, the sliding member 140 is in a state of being fixed by fastening the fastening portion 143 and the fastening hole 113 So that the upper and lower movable members 130 can be maintained in a lowered state so that the inner surface of the center groove 24 is in close contact with the outer surface of the contact member 120 It is possible to maintain the state fixed to the jig combination body 100. [ Therefore, the operator can securely process the machined surface of the electrode 20 into a desired shape by using the NC machining apparatus in a state where the electrode 20 is firmly fixed.

The tool 16 has a shape 17 that has a shape corresponding to the inner surface of the coupling groove 142 so as to be fitted into the coupling groove 142 and a shape that is bent at a substantially right angle from one end of the shape portion 17, And a handle portion 18 for rotating the handle portion 18 in the axial direction.

The sliding member 140 may be formed separately from the jig assembly 100 so that the sliding member 140 may be inserted into the side hole 112 only when the electrode 20 is to be fixed. The body 110 is inserted into the hollow hole 111 of the body 110 together with the upper and lower movable members 130 in the state of being inserted into the center hole 131 of the body 110, . Then, the loss of the sliding member 140 can be prevented.

The upper portion of the body 110 is provided with a predetermined portion around the protrusion 114 so that the fixing groove 28 of the electrode 20 is inserted when the center groove 24 of the electrode 20 is inserted into the contact member 120. [ The fixing protrusions 115 protruding from the protrusions 114 are formed at predetermined intervals around the protrusions 114 such that a part of the bottom surface of the edge grooves 26 of the electrodes 20 is closely contacted with the fixing protrusions 115 A tight contact portion 116 may be provided. Then, when the electrode 20 is inserted into the upper portion of the jig coupling body 100, the electrode 20 can be more firmly fixed to the more accurate position.

An upper latching part 133 which is hooked on an upper latching protrusion 117 formed on the upper part of the body 110 when the latching part 130 is inserted into the hollow hole 111 of the body 110, And a lower locking protrusion 118 formed at the lower portion of the inside of the body 110 when the locking member is inserted into the hollow hole 111 of the body 110. [ A lower latching part 134 may be provided. Then, in inserting the shankdong member 130 into the body 110, it is possible to easily align the center hole 131 of the shankdong member 130 and the side hole 112 of the body 110. do. The upper fastening portion 133 of the upper and lower movable members 130 may be formed to have a width smaller than that of the lower fastening portions 134 so that the width of the upper and lower movable members 130 . ≪ / RTI >

The upper and lower cap assemblies 130 and 130 may be further provided with an upper cap engaging portion 135 protruding from the upper engaging portion 133 so that the upper cap 150 is inserted into the hollow holes And the upper cap engaging portion 135 protruded above the upper engaging portion 133 of the upper and lower movable members 130 inserted into the hollow hole 111 in a state of being inserted into the upper and lower movable members 130, .

The upper cap 150 is provided with a pressing member 151 for pressing the contact member 120 when the upper and lower movable members 130 are lowered and a lower pressing member 151 coupled to the upper and lower movable members 130 with the pressing member 151 therebetween And a release preventing member 156 for preventing the pressing member 151 from coming off.

The pressing member 151 may be provided with an extended portion 153 formed on the upper portion thereof so as to press the contact member 120 when the hollow hole 152 and the upper and lower movable members 130 descend, A length portion 157 inserted into the hollow hole 152 of the pressing member 151 and engaged with the upper cap engaging portion 135 of the upper and lower movable members 130, A seating portion 158 may be provided which is extended outward to be engaged with and seated in a seating groove 154 formed in the upper portion of the compression member 151 when the hollow member 152 is inserted into the hollow hole 152 of the member 151.

The engagement between the upper and lower movable members 130 and the release preventing member 156 may be performed by the inner surface of the locking hole 136 formed in the upper cap engaging portion 135 of the upper and lower movable member 130, The operator can easily place the separation preventing member 156 on the upper portion of the seating portion 158 of the separation preventing member 156 by using a predetermined tool And may be provided with a coupling groove 159 for engaging with the upper and lower movable members 130. Particularly, the engaging groove 159 is a portion abutting against the bottom surface of the central groove 24 of the electrode 20 for electric discharge machining, and it is preferable that the engaging groove 159 is formed in the shape of a groove like that of a protrusion.

The uppermost engaging portion 137 may be further provided between the upper engaging portion 133 and the upper cap engaging portion 135 of the upper and lower movable members 130, The upper end of the upper cap engaging portion 135 of the upper and lower movable member 130 is hooked to the hollow hole 152 of the upper cap engaging portion 135.

4 and 5, the operation of the jig assembling body 100 according to an embodiment of the present invention will be described in detail.

4 is a cross-sectional view schematically illustrating a state in which the electrode for electrical discharge machining is fixed to the jig assembly according to FIG. 3, and FIG. 5 is a cross-sectional view schematically illustrating a state in which the electrode for electrical discharge machining is not fixed by the jig assembly according to FIG. 3.

As shown in FIG. 4, the operator places the center groove 24 of the electrode 20 for electric discharge machining on the jig assembly 100 mounted on the mounting hole 11 of the jig 10, that is, the contact member 120. When the fitting portion 17 of the tool 16 is inserted into the coupling groove 142 of the sliding member 140 through the side hole 112 and then rotated, the sliding member 140 rotates while being fastened ( 143 is screwed into the fastening hole 113 of the body 110 (that is, the sliding member 140 is horizontally moved into the body 110).

When the sliding member 140 is slid in this way, the step 141 of the sliding member 140 pushes the inclined portion 132 of the upper and lower movable member 130, .

The release member 156 and the pressing member 151 also descend along with the lowering of the upper and lower movable member 130 so that the pressing member 151 presses the pressing member 120, The electrode 20 is pressed against the protruding portion 111 of the body 110 so that the electrode 20 is brought into close contact with the inner surface of the central groove 24 of the electrode 20, (Not shown).

Therefore, the worker is firmly fixed to the exact position of the jig 10 for the NC processing apparatus using the jig assembly 100 using the jig assembly 100, the operator using the NC processing plant surface of the processing surface ( 21) can be processed into the desired shape.

In addition, as shown in FIG. 5, when the worker rotates the tool 16 in the desired shape after machining the machining surface 21 of the electrode 20 to a desired shape, the fastening part 143 and the fastening hole 113 are fastened. While being released, the sliding member 140 slides in the opposite direction, thereby squeezing the inclined portion 132 of the stepped portion 141.

The upper and lower movable members 130 are lifted by the upward elastic force of the elastic member 170 so that the pressing member 151 and the release preventing member 156 are lifted and the pressing member 120 is pressed The contact member 120 is contracted again and the contact with the inner surface of the central groove 24 of the electrode 20 is released and the electrode 20 is separated from the contact member 20 , The jig combination 100 is released from the fixation.

As described above, the present invention relates to a jig assembly capable of easily fixing an electrode for electric discharge machining to a precise position of a jig for an NC machining apparatus, and a joint structure of an electrode for electric discharge machining and a jig for an NC machining apparatus using the same, A jig assembly capable of easily fixing an electrode for electric discharge machining which is made of a non-rigid material such as an electrode and hardly fixed by a screw coupling method, to a precise position of a jig for a NC machining apparatus by a method not using a screw connection method, and a discharge The present invention relates to a coupling structure of a working electrode and a jig for an NC machining apparatus, and the embodiments can be modified in various forms. Accordingly, the present invention is not limited to the embodiments disclosed herein, and all changes which can be made by those skilled in the art are also within the scope of the present invention.

10: Jig for NC machining apparatus 20: Electrode for electric discharge machining
24: center groove 100: jig combination
110: body 120: contact member
130: Shanghai easel member 140: Sliding member
150: upper cap 160: lower cap
170: elastic member

Claims (10)

A jig assembly (100) for fixing an electrode for electric discharge machining (20) having a central groove (24) formed on one surface thereof,
A body 110 having a hollow hole 111 and a protrusion 114 protruding upward to have a shape inclined inward as the outer circumferential surface moves upward;
A contact member 120 having a gap 122 formed in the longitudinal direction so as to be opened by the protrusion 114 as it is being inserted into the protrusion 114;
A vertical moving member 130 inserted into the hollow hole 111 and moving up and down, and having a center hole 131;
A sliding member 140 for lowering the shank moving member 130 as it is inserted into the center hole 131 and slid;
In combination with the shankdong member 130 inserted into the hollow hole 111 in the state in which the contact member 120 is inserted into the protruding portion 114 to prevent the detachment of the contact member 120, the shank An upper cap 150 for pressing the contact member 120 when the eastern member 130 descends;
A lower cap 160 coupled to a lower portion of the body 110 in a state where the shank member 130 is inserted into the hollow hole 111 to prevent the shank member 130 from being separated; And
And an elastic member 170 interposed between the lower cap 160 and the shandong copper member 130 to provide a predetermined elastic force upward.
The jig assembly 100 is the contact member 120 is the sliding member 140 is sliding in the state in which the center groove 24 of the electrode for electrical discharge machining 20 is inserted into the contact member 120 The jig assembly, which is in close contact with the center groove 24 to fix the electrode (20). The method of claim 1,
Wherein a plurality of ribs (124) are formed in the circumferential direction on the outer circumferential surface of the contact member (120). The method of claim 1,
The body of the sliding member 140 is provided with a step 141 which is inclined inwardly in a direction in which the outer circumferential surface slides,
When the sliding member 140 is slid to the inner side lower portion of the center hole 131 of the movable member 130, the sliding member 130 is lowered by the stepped part 141. Jig assembly, characterized in that the inclined portion 132 is inclined upward by a predetermined direction in the sliding direction. The method of claim 3, wherein
The body 110 is provided with a side hole 112 connected to the hollow hole 111. The center hole 131 of the upper and lower movable member 130 is connected to the side hole 112,
Wherein the sliding member (140) is slid by a tool (16) inserted into the side hole (112). 5. The method of claim 4,
A fastening hole 113 is formed on the inner surface of the body 110 facing the side hole 112,
One side of the sliding member 140 is connected to the side hole 112 so that the tool 16 inserted into the side hole 112 is fitted, but the inner surface is stepped to rotate by the rotation of the tool 16. The coupling groove 142 is provided, and the other side is provided with a fastening part 143 coupled to the fastening hole 113 so that the sliding member 140 is slid as the sliding member 140 rotates. Jig assembly characterized in that. The method of claim 5, wherein
The sliding member 140 is inserted into and coupled to the hollow hole 111 of the body 110 together with the shandong member 130 in a state of being inserted into the center hole 131 of the shandong member 130. Jig assembly characterized in that. The method of claim 1,
The electrode 20 for discharge machining has a rim groove 26 having a depth smaller than the center groove 24 around the center groove 24, and a fixed groove 28 formed at a predetermined interval in the rim groove 26. ) Is formed,
A fixing projection protruding at a predetermined interval around the protrusion 114 so that the fixing groove 28 is inserted when the center groove 24 is inserted into the contact member 120, (116) protruding from the fixing protrusion (115) at a predetermined interval around the protrusion (114) so as to be in close contact with a part of the bottom surface of the rim groove (26) Characterized by a jig combination. In the joint structure of the electrode for electric discharge machining and the jig for NC machining apparatus for fixing the electrode for electric discharge machining 20 to the jig for NC machining apparatus 10,
A jig (10) for an NC machining apparatus;
An electric discharge machining electrode 20 in which a center groove 24 is formed on an opposite surface 22 of the machining surface 21 to be processed by the NC machining apparatus; And
And a jig assembly 100 which fixes the electrode 20 for discharge processing to the jig 10 for the NC processing apparatus.
The jig combination body (100)
A body 110 having a hollow hole 111 and a protrusion 114 protruding upward to have a shape inclined inward as the outer circumferential surface moves upward;
A contact member 120 having a gap 122 formed in the longitudinal direction so as to be opened by the protrusion 114 as it is being inserted into the protrusion 114;
A vertical moving member 130 inserted into the hollow hole 111 and moving up and down, and having a center hole 131;
A sliding member 140 for lowering the shank moving member 130 as it is inserted into the center hole 131 and slid;
In combination with the shankdong member 130 inserted into the hollow hole 111 in the state in which the contact member 120 is inserted into the protruding portion 114 to prevent the detachment of the contact member 120, the shank An upper cap 150 for pressing the contact member 120 when the eastern member 130 descends;
A lower cap 160 coupled to a lower portion of the body 110 in a state where the shank member 130 is inserted into the hollow hole 111 to prevent the shank member 130 from being separated; And
An elastic member 170 interposed between the lower cap 160 and the shank copper member 130 to provide a predetermined elastic force upwardly, wherein the electrode for electric discharge machining and the jig for NC processing apparatus are included. Coupling structure. The method of claim 8,
The NC processing apparatus jig 10 is provided with a mounting hole 11 arranged at a predetermined interval so that a plurality of the jig assembly 100 is mounted,
A coupling structure of the electrode for electric discharge machining and the jig for NC processing apparatus, characterized in that a flange 102 extending outwardly is formed at one side of the body 110 to be caught by the mounting hole (11). The method of claim 9,
Around the mounting hole 11 of the jig 10 for the NC processing device is provided with a fixing member coupling portion 12 to which a fixing member for fixing the jig assembly 100 mounted on the mounting hole 11 is coupled. Combined structure of the electrode for electric discharge machining and the jig for NC machining apparatus.
KR1020120116725A 2012-10-19 2012-10-19 Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same KR20140050376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120116725A KR20140050376A (en) 2012-10-19 2012-10-19 Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120116725A KR20140050376A (en) 2012-10-19 2012-10-19 Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same

Publications (1)

Publication Number Publication Date
KR20140050376A true KR20140050376A (en) 2014-04-29

Family

ID=50655563

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120116725A KR20140050376A (en) 2012-10-19 2012-10-19 Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same

Country Status (1)

Country Link
KR (1) KR20140050376A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104308310A (en) * 2014-09-28 2015-01-28 苏州华冲精密机械有限公司 Efficient and quick electrode-replacing clamping fixture
CN104588797A (en) * 2014-12-01 2015-05-06 北京理工大学 Forming electrode used for electrical discharge machining
KR20160001012A (en) * 2014-06-26 2016-01-06 (주)지에이치텍 Jig-assembly fixing electrode for electric discharge machining
CN109365353A (en) * 2018-12-14 2019-02-22 台州万洲机械有限公司 A kind of auxiliary tool for caliper piston production
CN111308742A (en) * 2019-05-21 2020-06-19 深圳市鸿合创新信息技术有限责任公司 Laminating tool, laminating equipment and laminating method for liquid crystal display screen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160001012A (en) * 2014-06-26 2016-01-06 (주)지에이치텍 Jig-assembly fixing electrode for electric discharge machining
CN104308310A (en) * 2014-09-28 2015-01-28 苏州华冲精密机械有限公司 Efficient and quick electrode-replacing clamping fixture
CN104588797A (en) * 2014-12-01 2015-05-06 北京理工大学 Forming electrode used for electrical discharge machining
CN109365353A (en) * 2018-12-14 2019-02-22 台州万洲机械有限公司 A kind of auxiliary tool for caliper piston production
CN111308742A (en) * 2019-05-21 2020-06-19 深圳市鸿合创新信息技术有限责任公司 Laminating tool, laminating equipment and laminating method for liquid crystal display screen

Similar Documents

Publication Publication Date Title
KR20140050376A (en) Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same
KR101116220B1 (en) A clamping device for jig
WO2011039892A1 (en) Fixing member, proximity sensor, proximity sensor attaching structure, and rotational connection structure and rotational connection structure producing method
CN105345495A (en) Pressing plate type floating clamp
KR20140104884A (en) Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same
JP2015020272A (en) Clamping device
KR102304628B1 (en) Attachment/detachment device for clamp arm of clamping device
KR102232236B1 (en) Quick Work Holder Clamp Device
KR101324754B1 (en) Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of nc work device in the electric discharge machining using the same
JP6596281B2 (en) Battery terminal
US20190329327A1 (en) Chuck device
KR200477760Y1 (en) Zig for aligning motor shaft
KR101520479B1 (en) Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of discharge work device in the electric discharge machining using the same
CN108724100B (en) Compression ring dismounting device and equipment
JP6499529B2 (en) Clamping device
EP3022049B1 (en) Multipunch with axial retainer for securing multiple dies or strippers
KR101686957B1 (en) Jig-assembly fixing electrode for electric discharge machining
KR20160135975A (en) Separable fixing equipment use aircraft parts and that method
CN103786048B (en) Fast compressing device
KR20140066330A (en) Jig-assembly fixing electrode for electric discharge machining and assembly for electrode and jig of discharge work device in the electric discharge machining using the same
KR20140066331A (en) Boring tool for working graphite electrode
CN205325225U (en) Clamp plate formula anchor clamps that float
KR102391250B1 (en) An apparatus for centering a hole of plate
KR20200013446A (en) Jig-assembly for fixing workpiece
JP6389363B2 (en) Parts mounting structure

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application