KR102516852B1 - Hydraulic punching machine - Google Patents

Abstract

The present invention relates to a hydraulic punching machine with an improved holding structure. The hydraulic punching machine with an improved holding structure comprises: a main body that has a stage on the bottom side of a forwardly opened inner space; a punching head that is disposed on the same vertical line as the stage at an upper part of the inner space of the main body; a punching head driving means which is installed in the main body to transfer power for upward and downward lifting operations to the punching head; a support body which is mounted to the stage of the main body to allow an object to be processed to be seated and has an inlet hole through which the punching head comes in and out therein; and a holding unit which is installed in the main body to compress and fix the object to be processed seated on the support body. Accordingly, the present invention can facilitate hole punching while maximally preventing damage to the surface of the object to be processed by punching a hole in a state of fixing the object to be processed with an appropriate pressure according to the object to be processed.

Description

Holding Structure Improved Hydraulic Punching Machine {HYDRAULIC PUNCHING MACHINE}

The present invention relates to a punching machine for punching a hole in a plate-shaped or angle-shaped workpiece such as L-shaped or U-shaped, etc. It is a technology related to a hydraulic punching machine with an improved holding structure that can adjust the pressing and fixing force for the object to be processed.

As a technology related to a punching machine for punching a hole in a work object made of a plate or angle made of metal or plastic,

Republic of Korea Utility Model Registration No. 20-0410519 (2006.02.28. Registration, hereinafter referred to as 'Document 1') 『Hydraulic Punching Equipment』 is presented,

Document 1 is a punching box for fixing a steel plate serving as an identification card by inserting a body connected to a peripheral device and serving to form a skeleton, and maintaining the arrangement by inserting a plurality of engraved jigs, respectively, and the above A bolt-type fixing device that serves to fix the angle jig inserted into the punching box, and is attached to the body to stop the punching box moving upward, and to contact the steel plate and maintain the pressure so that the letter can be engraved It is composed of a punching support that plays a role, a hydraulic cylinder that serves to move the punching box up and down by hydraulic pressure, and a hydraulic pump that operates the hydraulic cylinder, so that when manufacturing identification cards for steel structures, various types of letters Technology on hydraulic punching equipment that performs the operation of engraving letters using a hydraulic cylinder after arranging the engraved jigs, and enables safer and more convenient manufacturing operations, and allows unskilled workers to easily perform manufacturing operations. am.

As another technology, Korean Patent Publication No. 10-2009-0106018 (published on October 8, 2009, hereinafter referred to as 'Document 2') "punching machine" is proposed,

Document 2 is a punching machine for punching a bolt hole in a steel beam, comprising: a punching bar for punching a bolt hole in the steel beam; A hydraulic cylinder for controlling the piston operation of the punching bar; a hydraulic drive unit for driving the hydraulic cylinder by controlling movement of hydraulic fluid; a cradle for mounting the steel beam; a support bar for supporting the steel beam for punching of the punching bar; and a support means for moving and fixing the support bar, thereby relating to a punching machine capable of automatically punching a hole such as a bolt hole in an iron plate material.

As another technology, Korean Patent Registration No. 10-1518127 (Registered on April 29, 2015, hereinafter referred to as 'Document 3') "Hydraulic Punching Device for Hole Processing of Electrical Panels" is proposed,

Document 3 includes a hydraulic cylinder including a housing and a piston provided inside the housing; a die mold connected to the hydraulic cylinder; a punch mold connected to the piston of the hydraulic cylinder; And operating means connected to the hydraulic cylinder and supplying working fluid to transmit power to the punch mold; by including, the die mold and the punch mold are mounted on the hydraulic cylinder, and the working fluid supplied from the operating means Through the inflow and outflow into the hydraulic cylinder, the volume change in the front and rear space of the piston is generated to transmit the power for forward and backward driving of the punch mold, thereby processing circular or polygonal holes in the electric panel through punching work , Conventionally, a hydraulic punching device for hole processing of an electric panel capable of reducing noise generated during work with a rotary hole cutter and preventing damage to the hole cutter or risk caused by body contact caused by this It is a skill.

As another technology, Korean Patent Registration No. 10-1908641 (registered on October 10, 2018, hereinafter referred to as 'Document 4') "portable open box punching device" is proposed,

Document 4 forms a 'C' shape, and a C-shaped gripping part in which a supporting hole supporting a punching target from below is coupled to the bottom and a punching unit for punching one side of the punching target is coupled to the upper part; a supporting hole portion installed below the C-shaped gripping portion to support the body of the punching object even when the pressing force by the punching portion acts while receiving the punching object placed upward from below; a punching unit that presses and punches one side of the punching target supported by the support hole unit from the top; And by including a hydraulic pressure unit that operates so that the punching unit has a pressing force, it is provided so that the user can easily carry it by hand while punching at a desired place or position while allowing an iron plate or an open box to be punched through punching, and hydraulic pressure This is a technology related to a portable open box punching device in which the user does not force excessively by punching.

Document 1. Republic of Korea Utility Model Registration No. 20-0410519 (registered on February 28, 2006) Document 2. Korean Patent Publication No. 10-2009-0106018 (published on October 8, 2009) Document 3. Korean Patent Registration No. 10-1518127 (Registration on April 29, 2015) Document 4. Korean Patent Registration No. 10-1908641 (registered on October 10, 2018)

An object of the present invention is to provide a hydraulic punching machine with improved holding structure for easy hole punching processing by improving a structure for fixing a workpiece for accurate positioning of a hole during hole processing.

Furthermore, the present invention is an improved holding structure that can increase the quality of processing by increasing the accuracy of hole punching processing by adjusting the pressing and fixing force for the object to be processed according to various conditions such as the thickness, material, and surface condition of the object to be processed. Its purpose is to provide a punching machine.

In order to solve the above problems, the holding structure improved hydraulic punching machine according to the present invention,

a main body having a stage on a bottom side of an interior space opened to the front;

a punching head disposed on the same vertical line as the stage at the upper side of the inner space of the main body;

a punching head driving means installed in the main body to transmit power for vertical movement to the punching head;

a supporter mounted on a stage of the main body and having an entry hole through which the punching head enters and exits; and

a holding unit installed on the main body to press and fix the object to be processed seated on the support;

It is characterized in that it includes.

The holding structure improved hydraulic punching machine according to the present invention,

During hole punching, the greatest effect is to increase the accuracy of the processing position and facilitate hole punching while maximally preventing surface damage of the processing object by performing hole punching in a state in which an appropriate pressing force is fixed according to the object to be processed.

1 is a side configuration diagram showing a holding structure improved hydraulic punching machine according to the present invention;
Figure 2 is a front configuration view of Figure 1;
3 and 4 are partially enlarged configuration diagrams for showing a holding unit and its pressing force adjusting means;
5 and 6 are configuration diagrams for showing the press fixing and punching process of the object to be processed by the holding unit;
7 and 8 are configuration diagrams for showing another example of pressing force adjusting means and an operating state thereof.

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

Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, so various equivalents that can replace them at the time of this application. It should be understood that there may be waters and variations.

Based on FIG. 1, the direction of the punching head side is specified as upper or upper side, support side is lower or lower side, and the holding unit side located on the left side with reference to FIG. 2 is left or left side, and the holding unit side located on the right side is right side based on FIG. Or, the right direction is specified.

1 to 8, the holding structure improved hydraulic punching machine according to the present invention,

It consists of a main body 10, a punching head 20, a punching head driving means 30, a support 40, and a holding unit 50.

Looking at each component:

The main body 10 is

As shown in Figures 1 and 2,

Stage 11 on the bottom side of the interior space opened to the front

It consists of a C-shaped structure including.

The punching head 20 is

As shown in Figures 1 and 2,

It is disposed on the same vertical line as the stage 11 at the upper side of the inner space of the main body 10,

It consists of a cylindrical blade structure with a circular bottom or a wave shape along the bottom circumference.

The punching head 20 of this structure can be mounted on the main body 10 so as to be replaceable. For example, a hole is formed at the upper end of the punching head 20, and a hole is formed in the main body 10 corresponding thereto. With this formation, the punching head 20 can be mounted and separated by inserting a pin into each hole or fastening a bolt. Therefore, it is possible to select and install the punching head 20 suitable for the diameter of the hole required for hole punching of the object 1 .

The punching head driving means 30 is

As shown in Figures 1 and 2, 5 and 6,

It is installed in the main body 10 to transmit power for vertical lifting operation to the punching head 20,

A piston 31 connected to the upper end of the punching head 20, and

A hydraulic cylinder body (32) in which a part of the piston (31) is built-in and which moves the piston (31) up and down by selective supply of fluid and is embedded in the body (10)

made including

As a result, a part of the piston 31 located in the hydraulic cylinder body 30 is moved upward or downward by the pressure of the fluid selectively supplied into the hydraulic cylinder body 30, so that it is connected to the piston 31 The punching head 20 moves up and down.

The support 40 is

As shown in Figures 1 and 2, 5 and 6,

An entry hole 41 mounted on the stage 11 of the main body 10, where the object 1 is seated, and through which the punching head 20 enters and exits.

It consists of a hollow cylindrical structure containing.

At this time, it is preferable that the entry hole 41 of the support 40 has a diameter corresponding to that of the punching head 20, and when replacing the punching head 20 having a different diameter, the support 40 also corresponds to this It is preferable to replace it. To this end, a hole is formed at the upper end of the support body 40, and a hole is also formed in the stage 11 to correspond thereto, so that the support body 20 can be mounted and separated by inserting a pin into each hole or fastening a bolt. will be.

In addition, on the stage 11 of the main body 10, the chip 1a, which remains to be cut when punching the object 1 by the descent of the punching head 20, falls inside the entry hole 41 and It is preferable that a discharge hole 12 connected to the entry hole 41 of the support 40 is further formed so that it can be discharged to the.

The holding unit 50 is

As shown in Figures 1 to 8,

It is installed on the main body 10 and pressurizes and fixes the workpiece 1 seated on the support 40,

A top plate 51 extending horizontally to the upper side of the inner space of the main body 10,

A bottom plate 52 extending horizontally to the lower side of the inner space of the main body 10,

A housing 53 disposed on the lower side of the top plate 51 and having a receiving portion 531 opened downward therein,

A holding head 54 disposed to slide up and down in the accommodating part 531 of the housing 53,

A U-shaped elastic body 55 disposed in the receiving part 531 of the housing 53 to elastically support the upper surface of the holding head 54;

A slider 56 disposed to slide up and down in the accommodating part 531 of the housing 53 and having the elastic body 55 mounted on the lower surface,

A housing lifting driver 57 mounted on the top plate 51 and lifting the housing 53 up and down, and

First or second pressing force adjusting means (58, 59) for adjusting the pressing force of the elastic body (55) to the holding head (54)

made including

At this time, the top plate 51 and the bottom plate 52 are made of a plate-like structure disposed on the same vertical line.

And, the housing 53 has a hollow cylindrical structure with an upper end closed and an open lower end.

In addition, a head flange 541 is formed along the upper circumference of the holding head 54, and the head flange 541 is inserted into the inner circumferential surface of the receiving portion 531 of the housing 53 to move up and down a certain section. A head guideline 532 is formed to guide the head to be moved by limiting it.

Further, a slider guide line 533 is formed on the inner circumferential surface of the accommodating part 531 of the housing 53 to guide the slider 56 so that the peripheral end of the slider 56 can be inserted and moved up and down within a certain section.

And, the elastic body 55 is made of an elastic material that forms a substantially U-shaped structure and is compressed by an external force and then restored to its original shape when the external force is released.

The elastic body 55 of this structure elastically supports the holding head 54 while being mounted on the slider 56, and when the housing 53 descends, the object 1 and the holding head 54 As the holding head 54 rises in a partial section when it comes into contact with the elastic body 55, the elastic body 55 is compressed, so that the pressing and fixing force of the holding head 54 with respect to the object 1 can be increased.

In addition, the housing lift driver 57 includes a lift piston 571 connected to the upper end of the housing 53 through the top plate 51 and a part of the lift piston 571, and selectively supplies air. It is composed of a pneumatic cylinder body 572 fixedly installed to the top plate 51 and to elevate the elevating piston 571 by, which is an example and satisfies the condition for elevating the housing 53 vertically. It will be variously modified and changed within the scope.

On the other hand, as shown in Figure 4, the first pressure control means 58

A first insertion hole 581 penetrating the outer wall of the housing 53 inward and outward;

A first post 583 built on the central region of the upper surface of the slider 56 and having a first insertion hole 582 formed at a position corresponding to the first insertion hole 581 while penetrating left and right at the end; ,

A first recess 584 formed to be concave downward at the bottom of the first insertion hole 582;

At least one downward protruding type that is inserted into the first insertion hole 581 and the first insertion hole 582 and is seated in the first recess 584 by pressing the first post 583 downward to lower it. A first adjusting piece 586 having a first raised portion 585

made up of

At this time, the first recess 584 has a downward arc-shaped space structure, and the first raised portion 585 of the first adjusting piece 586 has a downward arc-shaped protrusion structure. It is done.

And the first adjusting piece 586 is implemented in a structure having one first ridge 585 on the lower surface of one plate, or two or more first ridges of different sizes on the lower surface of one plate ( 585) can be implemented. In particular, in the case of the former, the first ridges 585 of different sizes may be formed on lower surfaces of various plates.

By using the first adjusting piece 586 of this structure, the compression state of the elastic body 55 is adjusted, and finally, the pressing force on the holding head 54 can be adjusted.

Therefore, in consideration of the thickness, surface condition, material, etc. of the object (1), the operator selects and applies the first adjusting piece (586) to adjust the pressing force on the holding head (54) to achieve the highest quality hole punching process this can be done

On the other hand, as shown in FIGS. 7 and 8, the second pressure adjusting means 59

A second insertion hole 591 penetrating the outer wall of the housing 53 inward and outward;

A second post 593 built on the central region of the upper surface of the slider 56 and having a second insertion hole 592 formed at a position corresponding to the second insertion hole 591 while penetrating left and right at the end; ,

A second recess 594 formed to be concave downward at the bottom of the second insertion hole 592;

At least one downward protruding type that is inserted into the second insertion hole 591 and the second insertion hole 592 and presses the second post 593 downward while seated in the second recess 594 to lower it. A second adjusting piece 596 having a belt structure having a second raised portion 595;

A second control piece drive unit 597 that transmits power to rotate the second control piece 596

made up of

At this time, the second control piece drive unit 597 includes a driven gear part 597a formed on a portion of the outer circumference of the second control piece 596 and a drive gear 597b meshing with the driven gear part 597a. It consists of a drive motor 597c having , and a guide 597d installed on the top plate 51 and through which the second adjusting piece 596 comes in and out.

And, about three second ridges 595 are formed along the outer circumferential surface of the second adjusting piece 596, and the second ridges 595 protrude downward like the first ridges 585. It is an arc-shaped protrusion structure and has different sizes.

Eventually, when the second control piece 596 is rotated by the second control piece drive unit 597, one of the second raised parts 595 formed on the second control piece 596 While being seated in the second recess 594, the descending distance of the second post 593 can be adjusted according to the size of the second raised portion 595.

On the other hand, in the holding structure improved hydraulic punching machine according to the present invention, the holding unit 50 is provided with a pair to be disposed on the left and right sides of the main body 10, respectively, so that the object to be processed 1 with respect to the punching head 20 ) can be pressurized and fixed to the upper surface of the left and right sides.

On the other hand, the holding structure improved hydraulic punching machine according to the present invention further includes a stopper 60,

As shown in Figures 5 and 6,

The stopper 60 is

It is mounted on the upper side of the inner space of the main body 10 and has a substantially three-pronged structure disposed in a form surrounding the punching head 20 at equal intervals.

The lower end of the stopper 60 of this structure is longer than the punching head 20, so that when the punching head 20 rises, even if the work object 1 rises together with the punching head 20, the stopper It is hooked on (60) and helps to allow the object (1) to return to its original position toward the support (40). Such a stopper 60 will be useful when the punching head 20 is used simply without operation of the holding unit 50 .

In the above description of the present invention, the "holding structure improved hydraulic punching machine" having a specific shape and structure has been mainly described with reference to the accompanying drawings, but the present invention is capable of various modifications and changes by those skilled in the art, and these modifications and changes should be construed as belonging to the protection scope of the present invention.

1: object to be processed
10: body
11 : Stage
12: discharge hole
20: punching head
30: punching head driving means
31: Piston
32: hydraulic cylinder body
40: support
41: entry hall
50: holding unit
51: top plate
52: bottom plate
53: housing
531: receiving unit
532: head guidelines
533: slider guidelines
54: holding head
541: head flange
55: elastic body
56 : Slider
57: housing lift drive unit
571: lifting piston
572: pneumatic cylinder body
58: first pressure control means
581: first insertion hole
582: first insertion hole
583: first post
584: first recess
585: first ridge
586: first control piece
59: second pressure control means
591: second insertion hole
592: second insertion hole
593: second post
594: second recess
595: second ridge
596: second control piece
597: second adjusting piece drive unit
597a: follower gear fisherman
597b: drive gear
597c: drive motor
597d: Guide
60: stopper

Claims (7)

a main body 10 having a stage 11 on the bottom side of an interior space opened to the front;
a punching head 20 disposed on the same vertical line as the stage 11 at the upper side of the inner space of the main body 10;
a punching head driving means (30) installed on the main body (10) to transmit power for vertical movement of the punching head (20);
a support body 40 mounted on the stage 11 of the main body 10, on which the object to be processed 1 is seated, and having an entry hole 41 through which the punching head 20 enters and exits; and
a holding unit 50 installed on the main body 10 and pressing and fixing the workpiece 1 seated on the support 40;
Including,
The holding unit 50 includes a top plate 51 extending horizontally on the upper side of the inner space of the main body 10 and a bottom plate 52 extending horizontally on the lower side of the inner space of the main body 10. , A housing 53 disposed on the lower side of the top plate 51 and having an accommodating portion 531 opened downward therein, and a holding portion disposed to slide vertically in the accommodating portion 531 of the housing 53 The head 54, the U-shaped elastic body 55 disposed in the accommodating part 531 of the housing 53 and elastically supporting the upper surface of the holding head 54, and the accommodating part of the housing 53 ( 531), a slider 56 disposed to slide up and down and having the elastic body 55 mounted on the lower surface, and a housing lift drive unit mounted on the top plate 51 and lifting the housing 53 up and down ( 57), and first or second pressing force adjusting means (58, 59) for adjusting the pressing force of the elastic body (55) to the holding head (54). Hydraulic punching machine with improved holding structure.
delete According to claim 1,
The first pressing force adjusting means 58 is
A first insertion hole 581 penetrating the outer wall of the housing 53 inward and outward;
A first post 583 built on the central region of the upper surface of the slider 56 and having a first insertion hole 582 formed at a position corresponding to the first insertion hole 581 while penetrating left and right at the end; ,
A first recess 584 formed to be concave downward at the bottom of the first insertion hole 582;
At least one downward protruding type that is inserted into the first insertion hole 581 and the first insertion hole 582 and is seated in the first recess 584 by pressing the first post 583 downward to lower it. A first adjusting piece 586 having a first raised portion 585
Holding structure improved hydraulic punching machine, characterized in that consisting of.
According to claim 1,
The second pressure adjusting means 59 is
A second insertion hole 591 penetrating the outer wall of the housing 53 inward and outward;
A second post 593 built on the central region of the upper surface of the slider 56 and having a second insertion hole 592 formed at a position corresponding to the second insertion hole 591 while penetrating left and right at the end; ,
A second recess 594 formed to be concave downward at the bottom of the second insertion hole 592;
At least one downward protruding type that is inserted into the second insertion hole 591 and the second insertion hole 592 and presses the second post 593 downward while seated in the second recess 594 to lower it. A second adjusting piece 596 having a belt structure having a second raised portion 595;
A second control piece drive unit 597 that transmits power to rotate the second control piece 596
Holding structure improved hydraulic punching machine, characterized in that consisting of.
According to claim 4,
The second control piece drive unit 597
A driven gear portion 597a formed on a portion of the outer circumference of the second adjusting piece 596;
A drive motor 597c having a drive gear 597b meshing with the driven gear unit 597a;
A guide 597d installed on the top plate 51 and through which the second control piece 596 comes in and out
Holding structure improved hydraulic punching machine, characterized in that consisting of.
According to any one of claims 1 or 3 or 4 or 5,
The holding unit 50 is a holding structure improved hydraulic punching machine, characterized in that a pair is provided to be disposed on the left and right sides of the main body 10, respectively.
According to any one of claims 1 or 3 or 4 or 5,
Holding structure improved hydraulic punching machine, characterized in that it further comprises a stopper (60) mounted on the upper side of the inner space of the main body (10) and disposed in a form surrounding the punching head (20) at equal intervals.

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