KR102019680B1 - Socket punch processing machine with improved machining accuracy and processing method using the same - Google Patents

Abstract

Disclosed are a socket punch processing machine with improved machining accuracy and a processing method using the same. According to an aspect of the present invention, the socket punch processing machine comprises: an enclosure portion provided with a predetermined internal space; a processing frame disposed inside the enclosure portion; a polishing unit mounted to the processing frame; a chuck mounted on the processing frame and holding a socket punch as a processing object; and a processing unit disposed above the processing frame and cutting a processing end of the socket punch into a polygonal shape. According to the present invention, the socket punch processing machine and the processing method can improve productivity by automatically performing a series of processing processes to process a socket punch.

Description

SOCKET PUNCH PROCESSING MACHINE WITH IMPROVED MACHINING ACCURACY AND PROCESSING METHOD USING THE SAME}

The present invention relates to a socket punch processing apparatus used for cutting a socket punch and a processing method of the socket punch using the same.

Wrench bolts are known as one of the coupling means of various mechanical structures. Wrench bolt is a polygonal wrench groove is formed in the head portion, it is fastened to the tool and the like. For example, the wrench groove may be formed as a hexagonal groove or the like, and may be coupled to a tool having a shape corresponding thereto. Korean Patent Publication No. 10-2012-0017693 discloses an example of such a wrench bolt.

1 is a schematic diagram of a socket punch used for machining a wrench groove.

The wrench groove 11 formed in the wrench bolt 10 is usually processed through the socket punch 20 as shown in FIG. 1. That is, the socket punch 20 presses the head portion 12 of the wrench bolt 10 pre-machined into a predetermined shape to form a polygonal wrench groove 11. Since the socket punch 20 is expected to be worn or damaged due to repeated processing, it may be required to replace the socket punch 20 after processing for a predetermined period or a number of times.

As described above, the socket punch 20 used for the processing of the wrench groove 11 may be manufactured by cutting the raw material 21 having a predetermined shape. That is, when the raw material 21 is supplied as shown in FIG. 1 (a), the cutting end portion 22, which is processed through a predetermined cutting means 30, is cut into a polygonal shape, as shown in FIG. 1 (b). The socket punch 20 is made. The socket punch 20 is pressed by pressing the head portion of the wrench bolt 10 as shown in Figure 1 (c) to form a wrench groove (11).

Here, as shown in (b) of FIG. 1, the cutter 30 is rotationally driven with a rotation axis 31 parallel to the longitudinal direction of the socket punch 20, and cuts the outer surface of the processing end portion 22. Processing. Therefore, the cutting edge 23 cut by the cutter 30 may have a grain pattern 23 in a direction orthogonal to the longitudinal direction of the socket punch 20.

However, the patterned pattern 23 as described above is formed in a direction orthogonal to the processing direction (length direction) of the socket punch 20, which may cause processing errors in the wrench grooves 11. In addition, the repeated use may act as a factor for shortening the life of the socket punch (20). Furthermore, in some cases, an additional additional processing is required for the removal of the texture 23 after cutting by the cutter 30, which may cause a decrease in the productivity of the socket punch 20.

Publication No. 10-2012-0017693 (published Feb. 29, 2012)

Embodiments of the present invention to form a pattern in the processing direction of the socket punch, to provide a processing apparatus and a processing method of the socket punch that can improve the processing precision and durability of the socket punch.

In addition, embodiments of the present invention to provide a socket punch processing apparatus and a processing method using the same that can improve the productivity by performing a series of automated processes for the processing of the socket punch.

In addition, embodiments of the present invention is to provide a processing apparatus and a processing method of the socket punch that can improve the processing error or defective products due to foreign matter, etc. present on the cutting surface of the cutter.

According to an aspect of the invention, the enclosure portion provided with a predetermined internal space; A processing frame disposed inside the enclosure; A polishing unit mounted to the processing frame; A chuck mounted on the processing frame and holding a socket punch as a processing object; And a processing unit disposed above the processing frame and cutting the processing end of the socket punch into a polygonal shape.

According to another aspect of the invention, the present invention relates to a processing method for cutting the processing end of the socket punch using the processing device, the step of mounting the socket punch on the chuck; The processing unit is lowered toward the polishing unit, and the cutter provided in the processing unit comes into contact with the abrasive stone provided in the polishing unit to be cleaned; The cutter is spaced apart from the abrasive stone, and the socket punch mounted to the chuck is cut in contact with the cutter; The chuck may be periodically rotated at a predetermined angular interval and the cutting step is performed to form a polygonal processing end portion at the end of the socket punch.

Socket punch processing apparatus and a processing method using the same according to the embodiments of the present invention, to form a longitudinal pattern on the processing end of the socket punch through a unique processing method. The socket punch manufactured as described above may have improved processing accuracy when machining a wrench groove according to the direction of the pattern, and the durability of the socket punch is also improved as the pressing direction of the socket punch and the direction of the pattern are formed in the same direction. Can be.

In addition, the socket punch processing apparatus and the processing method using the same according to the embodiments of the present invention, it is possible to perform a series of automatic processing for the manufacture of the socket punch, it is possible to further improve productivity and work efficiency.

In addition, the socket punch processing apparatus and the processing method using the same according to the embodiments of the present invention, by minimizing the foreign matter remaining on the polishing surface and the like through the structure of the unique abrasive stone or the configuration of the injection nozzle, and thereby the The generation can be substantially reduced.

1 is a schematic diagram of a socket punch used for machining a wrench groove.
Figure 2 is a front schematic view of the socket punch processing apparatus according to an embodiment of the present invention.
Figure 3 is a front schematic view showing the inside of the socket punch processing apparatus shown in FIG.
Figure 4 is a schematic perspective view of the polishing unit shown in FIG.
5 is a cross-sectional view of the abrasive stone shown in FIG.
6 is a schematic view of the processing unit shown in FIG. 3.
FIG. 7 is a schematic view of the jet nozzle shown in FIG. 3. FIG.
8 is an operation of the socket punch processing apparatus shown in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. However, the following embodiments are provided to aid the understanding of the present invention, and the scope of the present invention is not limited to the following embodiments. The following embodiments are provided to more completely explain the present invention to those skilled in the art, and detailed descriptions of well-known configurations that are determined to unnecessarily obscure the technical gist of the present invention will be described. It will be omitted.

Figure 2 is a front schematic view of the socket punch processing apparatus according to an embodiment of the present invention.

For convenience of description, the x-axis direction is referred to as 'left and right directions', the y-axis direction is referred to as 'front and rear directions' and the z-axis direction is referred to as 'up and down directions' based on the coordinate axis shown in FIG. 2.

Referring to FIG. 2, the socket punch processing apparatus (hereinafter, referred to as the “processing apparatus 100”) of the present embodiment may include an enclosure 110.

The enclosure 110 may form an overall appearance of the processing apparatus 100. The enclosure 110 may be manufactured by bending a plate member having a predetermined width. The interior of the enclosure 110 may be provided with a predetermined space in which each component of the processing apparatus 100 to be described later can be disposed.

The enclosure 110 may be composed of an upper enclosure 111 and a lower enclosure 112.

The upper enclosure 111 may provide a predetermined processing space for processing the socket punch 20. A sliding door 111a may be provided on the front surface of the upper enclosure 111. The sliding door 111a is fastened to be slidably moved from side to side in the upper enclosure 111 to open and close the inner space of the upper enclosure 111. As a result, the socket punch 20 as an object to be processed may be introduced into the processing space inside the upper enclosure 111 or may be removed from the processing space. If necessary, the sliding door 111a may be provided with a window 111b. The window 111b is disposed in front of the sliding door 111a, so that a worker or the like can check the working situation inside the sliding door 111a.

The lower enclosure 112 may be disposed below the upper enclosure 111. For convenience, in the present description, the upper enclosure 111 and the lower enclosure 112 are referred to separately, but the upper enclosure 111 and the lower enclosure 112 may be formed of one enclosure or structure. Various driving means, cables, connection lines, etc. for driving the processing apparatus 100 may be disposed inside the lower enclosure 112, and a predetermined storage space may be provided as necessary. The lower enclosure 112 may be supported from the installation surface by a plurality of supporting legs 112a. Preferably, the supporting leg 112a may be formed to enable vertical height adjustment.

Figure 3 is a front schematic view showing the inside of the socket punch processing apparatus shown in FIG.

Referring to FIG. 3, the processing apparatus 100 of the present embodiment may include a processing frame 120.

The processing frame 120 may be disposed inside the enclosure 110, more specifically, the upper enclosure 111. The processing frame 120 may provide a support structure for the socket punch 20 as a processing object. The chuck 140, the polishing unit 130, and the like, which will be described later, may be mounted on the processing frame 120 and moved according to the operation of the processing frame 120.

The processing frame 120 may include a horizontal frame 121 having an upper surface having a predetermined width and extending in a horizontal direction, and a vertical frame 122 extending upward from one end of the horizontal frame 121. The polishing unit 130 to be described later may be mounted on an upper surface of the horizontal frame 121. In addition, one side of the vertical frame 122 facing the polishing unit 130 may be mounted to the chuck 140 to be described later.

On the other hand, the processing apparatus 100 of the present embodiment may include a lateral transfer unit 160.

The horizontal transfer unit 160 may move the processing frame 120 left and right. That is, the processing frame 120 may be formed to be movable left and right. The lateral transfer unit 160 is connected to the processing frame 120 and may be configured to move the processing frame 120 left and right, and may be implemented by various known driving means. For example, the horizontal transfer unit 160 may include a cylinder, a belt, and the like driven left and right.

On the other hand, the processing apparatus 100 of the present embodiment may include a polishing unit 130.

The polishing unit 130 may be mounted on the upper surface of the horizontal frame 121. The polishing unit 130 may be used to clean and polish the cutter 151 to be described later, before the socket punch 20 is processed.

In detail, the polishing unit 130 may include a holder 131 fixed to the top surface of the horizontal frame 121 and an abrasive stone 132 fastened to the upper end of the holder 131. The abrasive stone 132 may be in frictional contact with the outer surface of the cutter 151 to clean the outer surface of the cutter 151 and to remove foreign substances. In addition, the abrasive stone 132 may be composed of consumables scheduled for replacement after a predetermined period of time. Therefore, the abrasive stone 132 may be formed to be detachable to the holder 131 as necessary.

Figure 4 is a schematic perspective view of the polishing unit shown in FIG.

Referring to FIG. 4, the holder 131 may have an upper surface having a predetermined width, and may be formed in a substantially rectangular parallelepiped shape. A fixing flange 131a may be provided at a lower end of the holder 131, and one or more fixing holes 131b may be formed in the fixing flange 131a. The holder 131 or the polishing unit 130 may be fastened by fixing means such as bolts and pins to the fixing holes 131b, and the processing frame 120 may be fixedly installed.

The slot groove 131c may be formed on the upper surface of the holder 131. The slot groove 131c is for fastening the abrasive stone 132 and may be formed to extend in the left and right direction on one side of the upper surface of the holder 131. The left and right ends of the slot grooves 131c may be open, and the bottom surface of the slot grooves 131c may be formed in a flat surface for stable seating of the abrasive stone 132.

If necessary, the slot groove 131c may have a lower width W1 larger than the upper width W2 by a predetermined degree. That is, the slot groove 131c has a trapezoidal shape with a short upper side, and extends to the left and right, and the lower width W1 may be formed to a predetermined degree larger than the upper width W2. For this reason, the stepped portion 131d protruding inclined toward the inside of the slot groove 131c may be formed at the front and rear ends of the slot groove 131c. The stepped portion 131d contacts and supports the inclined surface 132d of the abrasive stone 132 which will be described later, thereby restricting the separation of the abrasive stone 132.

A second mounting hole 131e may be formed at the bottom of the slot groove 131c. The second mounting hole 131e may extend downward from the bottom of the slot groove 131c toward the inside of the holder 131. Although not shown, a screw line may be formed in the second mounting hole 131e. The second mounting hole 131e corresponds to the first mounting hole 132b of the abrasive stone 132 which will be described later.

On the other hand, the abrasive stone 132 has a flat surface on the upper and lower surfaces, it may be formed in a substantially hexahedral shape. The upper surface of the abrasive stone 132 may be in contact with the surface of the cutter 151, and may form the polishing surface 132a for polishing and cleaning the surface of the cutter 151.

The first mounting hole 132b may penetrate up and down in the center of the abrasive stone 132. The first mounting hole 132b is for fastening the fixing bolt 132c and corresponds to the second mounting hole 131e of the holder 131 described above. The fixing bolts 132c are fastened to the first and second mounting holes 132b and 131e so that the abrasive stone 132 may be fixed to the holder 131.

If necessary, the front and rear surfaces of the abrasive stone 132 may be provided with an inclined surface (132d). Alternatively, the abrasive stone 132 may be formed in a side trapezoidal shape so as to correspond to the shape of the slot groove 131c described above. In this case, the abrasive stone 132 may be mounted in the slot groove 131c in a state in which the inclined surface 132d is in contact with and supported by the stepped portion 131d. That is, the abrasive stone 132 is fitted through the open side of the slot groove 131c, so that the inclined surface 132d is in contact with and supported by the stepped portion 131d.

In this case, the abrasive stone 132 may be firmly mounted and supported on the holder 131 by the support structure between the inclined surface 132d and the stepped portion 131d and the fixing bolt 132c.

5 is a cross-sectional view of the abrasive stone shown in FIG.

Referring to FIG. 5, if necessary, the abrasive stone 132 may have a drainage path 132e therein.

The drainage path 132e may extend from the inlet hole 132f at the center of the abrasive stone 132 to the drain hole 132g at the side of the abrasive stone 132. In this case, the polishing liquid introduced into the inflow hole 132f may be moved along the drainage path 132e and discharged to the outside of the abrasive stone 132 through the drainage hole 132g.

The inflow hole 132f may be disposed toward the first mounting hole 132b to which the fixing bolt 132c is fastened. Preferably, the inflow hole 132f may be in communication with the holding space S1 at the upper end of the first mounting hole 132b. Here, the holding space (S1) refers to the upper portion of the first mounting hole (132b), a predetermined free space disposed above the fixing bolt (132c) in the state that the fixing bolt (132c) is fully fastened.

The drain hole 132g may be disposed at a side portion of the abrasive stone 132, and may be disposed to a predetermined level lower than the inlet hole 132f as described above. That is, the drainage path 132e extending from the inflow hole 132f to the drainage hole 132g may be formed to be inclined downward toward the drainage hole 132g on the side of the abrasive stone 132. This is to allow the polishing liquid introduced into the inflow hole 132f to be naturally discharged to the outside of the abrasive stone 132 along the slope of the drainage path 132e.

The drainage passage 132e as described above allows the polishing liquid, etc., accumulated in the holding space S1 at the top of the fixing bolt 132c to be naturally discharged to the outside of the abrasive stone 132.

In other words, the fixing bolt 132c for mounting and fixing the abrasive stone 132 to the holder 131 is sufficiently inserted into the inside (lower side) of the abrasive stone 132 so as not to be exposed to the outside of the polishing surface 132a. ) Will be tightened. However, in this case, a predetermined pooling space (S1) is formed on the top of the fixing bolt (132c), there may be a problem that the polishing liquid and the like. As such, the abrasive polishing liquid gradually penetrates down and flows in between the first mounting hole 132b and the fixing bolt 132c, or foreign matter contained therein overflows to the outside of the pooling space S1 to contaminate the polishing surface 132a. You can do it. In the present embodiment, by discharging the polishing liquid in the holding space (S1) and the like naturally through the inclined drainage passage 132e, such problems can be solved.

Referring back to FIG. 3, the processing apparatus 100 of the present embodiment may include a chuck 140.

The chuck 140 may be mounted on one side of the vertical frame 122. The socket punch 20, which is the object to be processed, is firmly gripped by the chuck 140 and may be cut by the processing unit 150 to be described later.

The chuck 140 may be mounted to the vertical frame 122 to be rotatable at predetermined angular intervals in the lateral direction. Rotation of the chuck 140 may be made in stages according to the number of cutting surfaces to be processed in the socket punch (20). For example, when the socket punch 20 has six cutting surfaces (hexagonal pillars), the chuck 140 may be rotated in steps of approximately 60 degrees.

On the other hand, the processing apparatus 100 of the present embodiment may include a processing unit 150.

The machining unit 150 may cut the socket punch 20 to process a polygonal shape on the machining end 22. In this case, the processing unit 150 may include a cutter 151 which is rotationally driven about the front and rear direction, and may cut the processing end portion 22 of the socket punch 20 in the longitudinal direction. Therefore, the machining unit 150 of the present embodiment forms a grain pattern 23a in the longitudinal direction on the machining end portion 22 (see FIG. 6).

More specifically, the processing unit 150 may be provided with a cutter 151. The cutter 151 may be driven to rotate in the front-rear direction along the axis, and is pressed against the outer surface of the socket punch 20 to cut the processing end 22.

6 is a schematic view of the processing unit shown in FIG. 3.

Referring to FIG. 6, the cutter 151 may include a cutting surface 151a on an outer circumferential surface thereof. The cutting surface 151a has a predetermined thickness in the front and rear direction and extends along the outer circumferential surface of the cutter 151 to form a substantially circular ring shape. Although not shown, the cutter 151 may be driven to rotate in the front and rear directions by a drive source such as a motor.

In addition, the cutter 151, as shown in FIG. The socket punch 20 may be rotated by a predetermined angle by the chuck 140, and the cutting end 22 may be cut into a polygonal shape.

In the socket punch 20 manufactured as described above, the grain pattern 23a is formed in a direction parallel to the processing direction of the socket punch 20. That is, in contrast to the conventional pattern 23 is formed to be orthogonal to the longitudinal direction of the socket punch 20, the socket punch 20 produced by the present embodiment has the pattern 23a parallel to the longitudinal direction Formed (see FIG. 1). Such a socket punch 20 can reduce the processing error during the processing of the wrench groove 11, compared to the conventional, it can have a longer durability even in repeated use.

On the other hand, the cutter 151 is supported by the actuator 156 which is driven in the front-rear direction, and can be adjusted back and forth. That is, the position of the cutter 151 is appropriately adjusted according to the standard of the socket punch 20, the range of the processing end 22, or the like.

Referring back to FIG. 3, the processing unit 150 may include an injection nozzle 152 disposed adjacent to the cutter 151. The injection nozzle 152 may inject the cutting oil provided through the supply line 153 to the cutter 151 or the socket punch 20.

FIG. 7 is a schematic view of the jet nozzle shown in FIG. 3. FIG.

Referring to FIG. 7, the injection nozzle 152 is connected to the end of the supply line 153 through a coupling 154 to spray the cutting oil provided from the supply line 153 toward the cutter 151. It can be formed to.

The supply line 153 may be formed in the form of a pipe, a hose or the like through which cutting oil flows. Preferably, the supply line 153 is provided with a plurality of corrugations, formed of a material having a predetermined rigidity, and may be formed to change the direction or arrangement of the spray nozzle 152 as necessary.

The coupling 154 may connect and install the injection nozzle 152 to the end of the supply line 153. Coupling 154 is provided with a screw thread on the inner circumferential surface, may be screwed to each end of the supply line 153 and the injection nozzle 152, separated from the supply line 153 and the injection nozzle 152 as necessary Can be. Preferably, the filter 154a may be mounted inside the coupling 154. The filter 154a may be formed in the form of a net or a net having a plurality of through holes, and may filter foreign substances from the cutting oil injected through the injection nozzle 152.

The filter 154a or coupling 154 may be replaced as needed. That is, the filter 154a or the coupling 154 may be replaced by the user when the filter 154a or the coupling 154 is used for a period of time and foreign matter is collected therein. The structure in which the coupling 154 is screwed to the supply line 153 and the injection nozzle 152 may make this replacement easier.

Injection nozzle 152 may be connected to the end of the supply line 153 by a coupling 154. The injection nozzle 152 flows the cutting oil through the filter 154a to be injected into the cutter 151 or the like.

Preferably, the injection nozzle 152 may be formed such that the inner bottom surface 152a is inclined downward toward the coupling 154. In addition, an exhaust port 152b may be formed at a lower end of the inner bottom surface 152a. As shown, the drain 152b is formed to open downward in a position adjacent to the coupling 154.

In addition, the injection nozzle 152 may include a flap 152c for opening and closing the drain port 152b. The flap 152c may be disposed adjacent to the drain port 152b to be rotated by the pressure of the cutting oil. In an initial state where no external force is applied, the flap 152c may open the drain port 152b. In addition, when an external force is applied by the cutting oil, the flap 152c rotates toward the drain port 152b to close the drain port 152b.

The flap 152c may be formed integrally with the injection nozzle 152 and may be made of an elastic material such as plastic. Preferably, the injection nozzle 152 may be formed of an elastic material such as plastic, including the flap 152c. In this case, the flap 152c may perform the opening and closing operation as described above by elasticity.

On the other hand, no cutting oil or the like remains inside the spray nozzle 152 by the filter 154a, the inner bottom surface 152a of the spray nozzle 152, the drain hole 152b, the flap 152c, and the like. May be naturally discharged to the outside of the injection nozzle 152. That is, when cutting oil is supplied at a predetermined pressure through the supply line 153, the flap 152c is rotated by the pressure to close the drain port 152b, and the cutting oil is cut through the injection nozzle 152 through the cutter 151. Or the like. On the other hand, when the operation is completed, the supply of cutting oil is stopped, the drain port 152b can be opened while the flap 152c is rotated by elasticity. In addition, the cutting oil remaining inside the injection nozzle 152 flows to the drain port 152b along the inner bottom surface 152a and is discharged to the outside. Therefore, cutting oil may remain inside the injection nozzle 152 and may be prevented from sticking together with the foreign matter.

Meanwhile, referring again to FIG. 3, the processing unit 150 may include a cover 155 disposed on the cutter 151. The cover 155 may prevent a predetermined amount of by-products generated during processing from scattering to the outside.

If necessary, the cover 155 may be formed to be movable up and down with respect to the cutter 151. In this case, the cover 155 is moved up and down according to the processing step, it is possible to prevent the scattering of processing by-products and the like. For example, when the cutter 151 starts to cut the socket punch 20, the cover 155 may be lowered to a predetermined degree from the initial position.

On the other hand, the processing apparatus 100 of the present embodiment may include a paper sending unit 170.

The paper conveying unit 170 may move the processing unit 150 up and down. That is, the processing unit 150 may be mounted and supported by the paper conveying unit 170 and moved up and down by the paper conveying unit 170. The cutter 151 is vertically adjusted by the paper conveying unit 170, the front and rear position is adjusted by the above-described actuator 156, it is possible to cut the socket punch (20). The paper conveying unit 170 is connected to the processing unit 150 similarly to the horizontal conveying unit 160 described above, and may be any one that can move the processing unit 150 up and down, and by various known driving means. Can be implemented. For example, the paper transport unit 170 may include a cylinder, a belt, and the like driven up and down.

8 is an operation of the socket punch processing apparatus shown in FIG.

The operation of the processing apparatus 100 will be described with reference to FIG. 8. When the processing apparatus 100 starts to operate, as shown in FIG. 8A, the cutter 151 is in contact with the abrasive stone 132 to perform a washing process.

In detail, the processing frame 120 and the polishing unit 130 mounted thereto are moved to one side by the horizontal transfer unit 160, and the processing unit 150 is lowered by the paper transfer unit 170 to cut the cutter 151. ) Is in contact with the abrasive stone 132. In such a state, the cutter 151 is rotated to be rubbed on the surface of the abrasive stone 132, thereby removing foreign substances on the surface of the cutter 151. If necessary, in the above operation, the processing frame 120 may be periodically moved to the left and right a predetermined range. In addition, the cutter 151 may be periodically moved in a predetermined range back and forth by the actuator 156. On the other hand, the injection nozzle 152 sprays the polishing liquid toward the cutter 151 so that foreign matters and the like can be washed out.

When the cutter 151 is washed for a predetermined time, the cutter 151 is lifted by a predetermined amount by the paper conveying unit 170, and the processing frame 120 is moved to one side by the horizontal conveying unit 160. As shown in (b), the processing end 22 of the socket punch 20 is transferred to the cutter 151. The cutter 151 is driven to rotate to cut the machining end 22. Here, the processing end 22 has a pattern 23a in the longitudinal direction of the socket punch 20 in accordance with the rotation direction of the cutter 151.

On the other hand, when one surface of the processing end 22 is processed by the cutter 151, the chuck 140 is rotated by a predetermined angle, and the cutting is again performed in a similar manner to the other surface of the processing end 22, The same process is repeated to machine the end 22 to form a polygon. When the cutting end 22 is finished, the processing unit 150 is lifted by the paper conveying unit 170, the socket punch 20 is returned to the initial position by the processing frame 120 to complete the processing. Can be.

As described above, the processing apparatus 100 according to the present embodiment forms a longitudinal patterned pattern 23a on the processing end 22 of the socket punch 20 through a unique processing method. The socket punch 20 manufactured as described above may have improved processing accuracy when machining a wrench groove according to the direction of the pattern 23a, and the pressing direction of the socket punch 20 and the direction of the pattern 23a may be improved. As formed in the same direction, the durability of the socket punch 20 can also be improved.

In addition, the processing apparatus 100 according to the present embodiment is to automatically perform a series of processing for the manufacture of the socket punch 20, it is possible to further improve productivity and work efficiency.

In addition, the processing apparatus 100 according to the present embodiment minimizes foreign substances remaining in the polishing surface 132a and the like through the structure of the unique abrasive stone 132 or the configuration of the injection nozzle 152, and thus the processing error or defective products. Generation can be considerably reduced.

As described above, embodiments of the present invention have been described, but those skilled in the art may add, change, delete, or add elements within the scope not departing from the spirit of the present invention described in the claims. The present invention may be modified and changed in various ways, etc., which will also be included within the scope of the present invention.

10: wrench bolt 11: wrench groove
12: head 20: socket punch
21: raw material 22: processing end
23: Texture 30: Cutter
31: axis of rotation
100: socket punch processing apparatus 110: enclosure
111: upper enclosure 112: lower enclosure
120: processing frame 121: horizontal frame
122: vertical frame 130: polishing unit
131: holder 132: abrasive stone
140: chuck 150: machining unit
151: cutter 152: injection nozzle
153: supply line 154: coupling
155: cover 156: actuator
160: horizontal conveying unit 170: paper conveying unit

Claims (6)

An enclosure 110 provided with a predetermined internal space;
A processing frame 120 disposed inside the enclosure 110;
A polishing unit 130 mounted to the processing frame 120;
A chuck 140 mounted to the processing frame 120 to grip a socket punch 20 as an object to be processed; And
Is disposed above the processing frame 120, the processing unit 150 for cutting the processing end portion 22 of the socket punch 20 in a polygonal shape;
The polishing unit 130,
A holder 131 mounted and fixed to the processing frame 120; And
Includes; the abrasive stone 132 is fastened to the top of the holder 131,
The holder 131,
The upper surface is provided with a slot groove (131c) is fastened to the abrasive stone 132,
The slot groove 131c,
It is formed extending in the left and right direction on the upper surface of the holder 131, the left and right ends are formed to be open so that the abrasive stone 132 can enter, the lower width (W1) is formed to a predetermined degree larger than the upper width (W2) It has a stepped portion (131d) protruding inclined toward the inside of the slot groove (131c),
The abrasive stone 132,
Sloped inclined surface (132d) corresponding to the stepped portion (131d) is formed on the front and rear, the socket punch processing apparatus, characterized in that the restrained upward restriction by the stepped portion (131d). The method according to claim 1,
The processing frame 120,
A horizontal frame 121 having an upper surface of a predetermined width on which the polishing unit 130 is mounted and extending in a horizontal direction; And
And a vertical frame 122 extending upward from one side of the horizontal frame 121 to which the chuck 140 is mounted.
It is formed to be moved in the left and right directions by the lateral transfer unit 160,
The processing unit 150,
It is formed to be moved in the vertical direction by the paper sending unit 170,
The chuck 140,
The socket punch processing apparatus, characterized in that formed to be rotated step by step at a predetermined angle intervals in the left and right directions along the cutting surface of the socket punch (20). delete The method according to claim 1,
The holder 131,
A second mounting hole 131e formed downward from a bottom surface of the slot groove 131c,
The abrasive stone 132,
The first mounting hole 132b penetrates up and down in the center so as to correspond to the second mounting hole 131e, and is fixed by the fixing bolts 132c fastened to the first and second mounting holes 132b and 131e. It is fixed to the holder 131, is fastened to the upper end of the holder 131 by a fixing bolt 132a penetrating the abrasive stone 132 in the vertical direction, the upper end of the fixing bolt 132a, and the abrasive stone 132 A predetermined punching space (S1) is formed between the polishing surface (132a) of the upper surface, and a drain hole (132e) for discharging the polishing liquid of the pooling space (S1) to the outside. The method according to claim 4,
The drain passage 132e,
From the inlet hole (132f) of one side disposed toward the holding space (S1), extending from the inlet hole (132g) formed on the side of the abrasive stone 132, the drain hole (132g) in the inlet hole (132f) Socket punch processing apparatus, characterized in that formed to be inclined downward to a predetermined degree toward. Claim 1, 2, 4 or 5 relates to a processing method for cutting the processing end 22 of the socket punch 20 using the socket punch processing apparatus 100 of any one of
Mounting the socket punch (20) on the chuck (140);
The processing unit 150 is lowered toward the polishing unit 130, and the cutter 151 provided in the processing unit 150 contacts and cleans the abrasive stone 132 provided in the polishing unit 130. step;
The cutter 151 is spaced apart from the abrasive stone 132, and the socket punch 20 mounted on the chuck 140 is in contact with the cutter 151 to be cut; And
The chuck 140 is periodically rotated at predetermined angular intervals and the cutting step is performed, wherein the processing end portion 22 of the polygonal shape is formed at the end of the socket punch 20; Socket punch processing method.

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