KR102569128B1 - A Punching Jig Apparatus for Cutting a portion of a Pipe - Google Patents

Abstract

The present invention relates to a punching jig device for partial cutting of a pipe. Punching jig device for partial cutting of the tube includes a lower jig 20 to which the tube to be partially cut is fixed; and an upper jig 10 in which a punching unit 13 is disposed to cut a portion corresponding to a bent portion or a connection portion in order to form a bent portion or a connection portion of a fixed pipe, and the punching unit 13 The cut portion formed by is capable of being bent, or has a shape capable of being connected while forming a bent portion to another cut portion.

Description

A Punching Jig Apparatus for Cutting a portion of a Pipe}

The present invention relates to a punching jig device for partially cutting a pipe, and specifically, to a punching jig device for partially cutting a pipe to facilitate bending or connection of a pipe by cutting a portion of a pipe that becomes a bend or connection portion. it's about

The frames or skeletons of various structures or devices may be formed by tubes or pipes, and the tubes may be bent or different tubes may be connected to each other to form the frame. A bending device may be used to form a bent portion of the tube, and a joint may be used to connect different tubes. When the bent portion is formed by a bending device, the shape of the connection portion may be deformed, and when connected by a joint, a process may be complicated. Therefore, it is necessary to make a means for facilitating the bending or connection of the tube by appropriately forming the bending or connecting portion. Patent Publication No. 10-2010-0000162 discloses a jig for cutting a workpiece. In addition, Patent Registration No. 10-1299100 discloses a jig device for corner cutting of an angle member. The bent portion or connection portion may be formed in various ways according to the cross section of the pipe, but generally includes a portion to be cut. Then, the cut parts are brought into contact with each other, and the contact parts are reinforced by appropriate means, such as welding or fastening, to form a bent part or a connection part. Therefore, when a part of the pipe is cut and removed to suit the shape of contact with each other, the formation of the bent portion or the formation of the connecting portion is simplified. However, the prior art does not disclose such technology.

The present invention is to solve the problems of the prior art and has the following object.

Prior Art 1: Patent Publication No. 10-2010-0000162 (Park Jun-ho, 2010.01.06. Publication) Jig for cutting workpieces Prior Art 2: Patent Registration No. 10-1299100 (SLTE Co., Ltd., 2013.08.28. Announcement) Jig device for cutting corners of angle members

An object of the present invention is to provide a punching jig device for partial cutting of a pipe to facilitate formation of a bend or connection portion of a pipe by cutting and separating a portion of a pipe to be a bend or connection portion.

According to a preferred embodiment of the present invention, a punching jig device for partially cutting a tube includes a lower jig to which a tube to be partially cut is fixed; and an upper jig having a punching unit disposed thereon to cut a bent portion or a portion corresponding to a connection portion in order to form a bent portion or connection portion of a fixed pipe, and the cut portion formed by the punching unit is bendable. Or, it has a shape that can be connected while forming a bent part in another cut part.

According to another preferred embodiment of the present invention, the cross section in the vertical direction of the punching unit 13 becomes a triangular shape with the lower end being the vertex.

According to another preferred embodiment of the present invention, it includes a punching operation module for cutting a part of the pipe while moving the punching unit along the horizontal direction.

According to another preferred embodiment of the present invention, the punching unit cuts a part of the tube while moving in a horizontal direction.

According to another preferred embodiment of the present invention, the tube has a square cross-section, and the cut portion is cut into a V shape with the faces facing each other.

The punching jig device for partial cutting of a tube according to the present invention allows partial cutting according to a shape in which a portion of a tube is bent or connected to form a bent portion or connection portion of a tube having a square cross section, for example. By such partial cutting, a bend portion is easily formed at an arbitrary portion of the tube without using a separate bending process or connecting means, or different tubes are connected to each other in a right angle direction, for example. This allows the tubes to be simply connected at different angles without a separate cutting or bending process. The punching jig device according to the present invention can be applied to pipes of various materials, including metal pipes, and can be applied to pipes having various cross sections through appropriate design modification, and thereby the present invention is not limited.

1 shows an embodiment of a punching jig device for partially cutting a pipe according to the present invention.
2 and 3 show an embodiment to which the punching jig device according to the present invention is applied.
4 and 5 show an embodiment in which a portion of a pipe having a rectangular cross section is partially cut to form a bent portion or a connection portion by the punching jig device according to the present invention.

Below, the present invention will be described in detail with reference to the embodiments presented in the accompanying drawings, but the embodiments are for a clear understanding of the present invention, and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so repeated descriptions are not made unless necessary for understanding the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment of.

1 shows an embodiment of a punching jig device for partially cutting a pipe according to the present invention.

Referring to Figure 1, the punching jig device for partial cutting of the tube is a lower jig 20 to which the tube to be partially cut is fixed; and an upper jig 10 in which a punching unit 13 is disposed to cut a portion corresponding to a bent portion or a connection portion in order to form a bent portion or a connection portion of a fixed pipe, and the punching unit 13 The cut portion formed by is capable of being bent, or has a shape capable of being connected while forming a bent portion to another cut portion.

The lower jig 20 may be fixed at a predetermined position and may have a function of fixing a pipe to be partially cut to a cutting position. The lower jig 20 includes a square plate-shaped fixed base 22; a fixed body 21 fixed to the fixed base 22; and a cutting hole 23 formed in the fixing body 21 . The upper and lower sides of the left side of FIG. 1 show an embodiment of the punching jig device as viewed from the right and left sides of the punching jig device, respectively, and the upper, middle and lower sides of the right side of FIG. 1 show an embodiment of the punching jig device it did The lower jig 20 can be fixed to the frame or equipment by the fixing base 22, and the fixing body 21 guides the pipe to be partially cut to the cutting position while being box-shaped as a whole, and the punching unit 13 As a result, a part of the pipe can function as a support in the process of punching or cutting. A cutting hole 23 for guide of the tube may be formed in the fixed body 21, and the cutting hole 23 may be formed in a form penetrating the side facing each other of the fixed body 21, It can be made into a structure suitable for the shape. For example, when the pipe has a rectangular cross section, the cutting hole 23 may be a tunnel shape having a rectangular cross section, but is not limited thereto. A guide 24 for inducing movement of the pipe may be installed in front of the cutting hole 23, the pipe may be moved to the cutting hole 23 by the guide 24, and the part to be cut is the cutting hole (23) can be located at the cutting position formed inside. A cutting guide groove 26 for inducing movement of the punching unit 13 in a horizontal direction may be formed in the fixed body 21 .

When the tube is guided and fixed to the lower jig 20, the upper jig 10 moves downward, and a part of the tube can be cut by the horizontal movement of the punching unit 13. By cutting a part of the tube, a part of the tube may be cut while maintaining the connection state of the tube, so that the cut portion may have a different shape than other parts of the tube. For example, as a pair of side walls facing each other of a tube having a square cross section are cut into a V shape, the upper surface is bent inward, and the lower surface may be maintained in its original state. As a result, the bent portion or the connection portion may be cut while the tube is maintained in a connected state. Such partial cutting may be performed by vertical movement and horizontal movement of the punching unit 13 .

At least a portion of the upper jig 10 may be moved up and down by, for example, a hydraulic press, a mechanical press operated by a motor, or similar pressing means. The upper jig 10 includes a combination block 12 having a rectangular plate shape as a whole; An induction body 11 formed to extend in a downward direction of the coupling block 12; and a punching unit 13 coupled to the induction body 11. The punching unit 13 may have a triangular shape in which a lower end portion is a vertex in a cross section in a vertical direction of the punching unit 13 . Specifically, as shown in the right middle portion of the punch unit 13, the lower portion of the shape viewed from the front may be a triangle. In this orientation the tube can be guided along a direction parallel to the ground. The punching unit 13 may have a constant thickness in a direction perpendicular to the guiding direction, and may extend in the vertical direction while having a constant thickness, as shown in the upper left of FIG. 1 . An upper portion of the punching unit 13 may be movably coupled to the induction body 11 . For example, the upper part of the punching unit 13 may be coupled to the guide body 11 so as to be movable in a direction perpendicular to the moving direction of the pipe. Specifically, guide grooves with both wall surfaces inclined inward may be formed in the lower part of the induction body 11, and both surfaces of the upper part of the punching unit 13 are inclined outward while the outer part of the lower part of the inclined wall surface. An induction block protruding in a side direction may be formed. Punching portions extending in opposite directions from the bottom of the induction block to have a triangular shape may be formed. The punching unit 13 may be moved along the guide groove, and for example, a coupling hole 14 may be formed in which a shaft of a driving means for reciprocating motion may be coupled to the punching unit 13 . In a state where the upper jig 10 is combined with the lower jig 20 , the lower portion of the punching unit 13 may be moved along the cutting guide groove 26 . By such a movable structure, for example, one side of a tube having a square cross section is cut into a V shape by the horizontal movement of the punching unit 13, and then the punching unit 13 is moved again to face the opposite side It can be cut into a V shape. The upper jig 10 may move up and down as a whole, or may have a structure in which the induction body 11 can move up and down, and a plurality of guide pins 111 and 112 guiding the movement of the induction body 11 are formed. It can be. When the induction body 11 has a hexahedron shape or a box shape, four guide pins 111 and 112 may be formed in a downward direction perpendicular to the lower surface of the induction body 11 . Guide holes 211 and 212 for inducing vertical movement of the guide pins 111 and 112 may be formed in the fixed body 21, and the depth of the guide holes 211 and 212 is It may be smaller than the extension length. In addition, the depth of the guide holes 211 and 212 may be greater than the vertical depth of the cutting guide groove 26, for example, the depth difference (T) is the thickness of the bottom surface of the tube or the vertical portion of the tube that is not cut. thickness can be In the presented embodiment, a structure in which a part of the tube is cut by the movement of the punching unit 13 is presented as an example, but the punching unit 13 moves in various directions according to the shape of the tube due to the design change of the punch unit 13. While moving, it is possible to cut a part of the tube and is not limited to the presented embodiment.

As shown in the upper right and lower portions of FIG. 1, the coupling block 12 and the fixed base 22 may have a rectangular plate-shaped cross section, and are coupled to the coupling block 12 and the fixed base 22, respectively. Areas 151 to 15k and fixed areas 251 to 25k may be formed. A reciprocating pressing means such as a press device is coupled to the coupling portions 151 to 15k to move the upper jig 10 up and down. The lower jig 20 may be stably fixed to a predetermined position by the fixing parts 251 to 25k. The coupling portions 151 to 15k and the fixing portions 251 to 25k may include an elastic member or an elastic member, thereby absorbing vibration or shock generated during the cutting process. As shown in the lower left of FIG. 1 , an induction path through which the pipe is guided may be formed in a form of crossing the lower jig 20 in a horizontal direction from left to right. Tubes having various shapes can be cut at a predetermined portion by the punching jig device according to the present invention, and depending on the shape of the tube, the upper jig 10 or the lower jig 20 can have a shape suitable for it, and the presented embodiment not limited to

2 and 3 show an embodiment to which the punching jig device according to the present invention is applied.

Referring to FIG. 2 , a punching operation module 30 is included to cut a portion of the pipe while moving the punching unit 13 in a horizontal direction. When the tube is aligned at the predetermined position of the lower jig 20, the tube may be cut by the punching unit. As described above, the punching unit 13 can be moved along the cutting guide groove, and the punching unit 13 can cut a part of the pipe while reciprocating in the horizontal direction by the punching operation module 30. . The punching operation module 30 includes a drive unit 31 for inducing reciprocating motion; an operating shaft 32 coupled to the front of the drive unit 31; an adjusting connector 33 connected to the working shaft 32; An induction cylinder 34 coupled to the adjusting connector 33 and moved into the fixing jig 21; and a fastening tab 14a coupled to the induction cylinder 34 and coupled to the coupling hole of the punching unit.

The tube to be cut can be transferred to the punching jig device by an appropriate transport means, the tube P can be guided to the lower jig 20 by the guide 24, and the tube is formed inside the guide path It can be aligned at the cutting position to be. When the tubes are aligned at the predetermined position, the punching operation module 30 is operated so that a part of the aligned tubes can be cut while the punching unit is moved. The cutting position of the tube may be variously set according to the frame formed by the plurality of tubes. A plurality of tubes having different lengths may have the same or different cutting positions. A plurality of tubes may be partially cut, and the cut parts may be bent or connected to each other to form a frame. A punching jig device may form part of a facility for manufacturing such a frame.

Figure 3 shows an embodiment of a punching jig device installed in a facility for manufacturing a frame for, for example, a transport cart, and FIG. 3 (a) and (b) respectively show a front view and a side view of the punching jig device it did The punching jig device may form part of a frame manufacturing facility and may be installed on the installation frame 44 . A base substrate 45 may be disposed above the installation frame 46 and a punching jig device may be installed on the base substrate 45 . Specifically, the lower jig 20 may be fixed to the base substrate 45 and the upper jig 10 may be moved up and down by the press module 41 above the base substrate 45 . A plurality of vertical guides 43a and 43b may be installed on the top of the upper jig 10, and a moving block 42 capable of moving up and down along the vertical guides 43a and 43b may be installed. The upper jig 10 may be coupled to the moving block 42 , and the moving block 42 may be coupled to the press module 41 by an operating shaft 421 . As the moving block 42 moves up and down according to the operation of the press module 41, the upper jig 10 can be moved up and down, and at least one movement inducer that stably induces the up and down movement of the upper jig 10. Members 422a and 422b may be installed.

Frame manufacturing equipment, for example, a length control module for cutting the pipe (P) to a certain length; Display module for displaying the cutting position on each tube (P) cut by the length control module; A transport module for transporting the pipe (P) at which the cutting position is marked to the punching jig device; A punching jig device for aligning the transported tube (P) and partially cutting the display portion; A connection module that bends or connects the partially cut tube (P) into a predetermined shape; And it may include a coupling module for forming a frame by connecting the tubes (P) made of a predetermined shape by being bent or connected to each other. As shown on the left side of FIG. 3 , the transferred tube P may be aligned in position by the alignment unit 46 and transferred to the lower jig 20 . A plurality of alignment units 46 are installed separately from each other along the transport direction so that the tube P can be transported to the lower jig 20 while maintaining a constant height in the horizontal direction. In addition, the pipe (P) can be maintained at a predetermined height during some cutting process by the punching jig device by the alignment unit 46. When the tube P is transferred to a predetermined position of the lower jig 20, the press module 41 is operated so that the upper jig 10 can be moved downward along the vertical guides 43a and 43b. When the punching unit 13 is combined with the lower jig 13, both wall surfaces of the tube may be cut into a V shape, for example. As shown on the right side of FIG. 3 , the punching operation module 30 may be coupled to the punching unit 13 . The punching operation module 30 may be coupled to the punching unit 13 in a form extending in a direction perpendicular to the transport direction of the pipe P. The fastening tab 14a of the punching operation module 30 may be coupled to the fastening hole 14 formed in the upper portion of the punching unit 13 . The punching unit 13 can be moved in the horizontal direction by the punching operation module 30, whereby both wall surfaces of the pipe P can be cut. An induction coupler 481 may be coupled to the punching operation module 30 , and a punching guide 48 for moving the induction coupler 481 in a horizontal direction may be coupled to an upper portion of the upper jig 10 . According to the operation of the driving cylinder 31, the front part of the induction cylinder 34 can be reciprocated in the horizontal direction while being inserted into the lower jig 20, and thus the punching unit 13 is moved along the horizontal direction. While moving, the sides of the tube P facing each other may be cut in a punching manner. In this process, the movement of the punching unit 13 may be guided by the punching guide 48 and the induction coupler 481 . In this way, the partially cut and bendable pipe (P) is transferred to the connection module, and some of the cut portions are bent, so that, for example, a pipe bent at right angles can be made. The punching jig device may be applied as an independent device or may be part of a frame manufacturing facility, whereby the present invention is not limited.

4 and 5 show an embodiment in which a portion of a pipe having a rectangular cross section is partially cut to form a bent portion or a connection portion by the punching jig device according to the present invention.

The upper part of FIG. 4 shows an embodiment of the structure viewed from the front and rear of the punching jig device, and the lower part shows an embodiment of the structure viewed from both sides. The lower jig 20 may be fixed to the base frame F, and the tube is perpendicular to the ground based on the structure viewed from the lower side in a direction parallel to the ground based on the structure viewed from the front at the top can be moved A V-shaped cutting guide groove 26 may be formed at the front or rear of the lower jig 20, and the punching unit 13 may be operated by the guide block 16 operated by the press module. In addition, the punching operation module 30 may be coupled to the punching unit 13 . A tube to be partially cut may be guided by the guide 24 to the cutting hole 23 . In the course of leading the pipe to the cutting hole 23 , the punching unit 13 may be positioned above the cutting hole 23 by the guide block 16 . When the cutting portion of the tube is aligned with the predetermined position of the cutting hole 23, the punching unit 13 can be moved downward while the induction block 16 is moved downward, whereby the upper surface of the tube having a square cross section This can be punching. As shown in FIG. 4 , the punching unit 13 may have a flat end portion while the tube is inclined in both directions with respect to the conveying direction. Due to this structure, the upper surface of the tube can be punched while both sides are bent downward based on the center. When the punching unit 13 is located inside the pipe, the punching operation module 30 moves the punching unit 13 in a horizontal direction along the cutting guide groove 26, whereby both sides of the pipe A bent portion having a shape as shown in FIG. 5 may be formed while being cut or punched. The tube (P) may be composed of a side surface (S), a floor surface (T), and a ceiling surface (T) facing each other, and the ceiling surface (T) is bent inwardly, and the facing side surface (S) is cut to partially cut the tube (P). A portion CP may be formed. The connecting tubes P1 and P2 may be connected to both sides of the partial cleavage portion CP by the partial cleavage portion CP. As shown in the middle portion of FIG. 5 , an end cut portion CP1 may be formed at the end of the pipe P, and the end cut portion CP1 may form, for example, an inclined surface of 45 degrees. End cut parts CP1 formed on different tubes are bonded to each other so that the two tubes P1 and P2 may be connected to each other while forming a contact bent portion CP1. However, the contact bending part CP may be formed by connecting the end cut parts CP1 formed in the different tubes P1 and P2, but may be formed by the cut part CP formed in one tube P there is. The first and second partial tubes P1 and P2 may be bent inward based on the partially cut portion CP formed in one tube P, and then connected to each other to form a contact bent portion BP1. Alternatively, the partially cut portion may be bent outward to form a separate bent portion BP2. In this way, the punching jig device is connected to each other in a bent state so that the tubes P1 and P2 forming the frame are simply formed by a bending process without the need to separately cut and connect the ends or connect by a connecting means. Various complementary processes such as welding or filling may be performed on the bent portions BP1 and BP2, and the present invention is not limited thereby.

Although the present invention has been described in detail with reference to the presented embodiments above, those skilled in the art will be able to make various modifications and variations without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by these variations and modifications, but is limited only by the claims appended below.

10: upper jig 11: induction body
12: coupling block 13: punching unit
14: coupling hole 14a: fastening tab
20: lower jig 21: fixed body
22: fixed base 23: cutting hole
24: guide 26: cutting guide groove
30: operation module 31: drive unit
32: operating axis 33: adjusting connector
34: induction cylinder 41: press module
111, 112: guide pin 211, 212: guide hole

Claims (5)

A lower jig 20 to which the pipe to be partially cut is fixed; and
Including an upper jig 10 in which a punching unit 13 is disposed to cut a portion corresponding to a bent portion or a connection portion to form a bent portion or a connection portion of a fixed pipe,
The cut portion formed by the punching unit 13 is bendable, or has a shape capable of being connected while forming a bend portion to another cut portion,
Further comprising a punching operation module 30 for moving along the horizontal direction the punching unit 13 whose cross section in the vertical direction has a triangular shape with the lower end being the vertex,
The lower jig 20 includes a fixed base 22 of a rectangular plate shape fixed to a frame or equipment; A box-shaped fixing body 21 fixed to the fixing base 22; Cutting holes 23 formed in the fixed body 21 in a form passing through the sides of the fixed body 21 facing each other; And a cutting guide groove 26 formed in the fixing body 21 in a V shape to induce horizontal movement of the punching unit 13,
A tube of square cross section to be partially cut is guided to the cutting hole 23 and the punching unit 13 is moved downward so that the upper surface of the tube is punched, and when the punching unit 13 is located inside the tube, punching A punching jig device for partial cutting of a pipe, characterized in that the unit 13 moves horizontally along the cutting guide groove 26 so that both sides of the pipe are cut in a V shape.
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