KR101670372B1 - Pole production equipment - Google Patents

Pole production equipment Download PDF

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Publication number
KR101670372B1
KR101670372B1 KR1020160122055A KR20160122055A KR101670372B1 KR 101670372 B1 KR101670372 B1 KR 101670372B1 KR 1020160122055 A KR1020160122055 A KR 1020160122055A KR 20160122055 A KR20160122055 A KR 20160122055A KR 101670372 B1 KR101670372 B1 KR 101670372B1
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KR
South Korea
Prior art keywords
bending
welded
welding
actuator
core
Prior art date
Application number
KR1020160122055A
Other languages
Korean (ko)
Inventor
나호균
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나호균
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Application filed by 나호균 filed Critical 나호균
Priority to KR1020160122055A priority Critical patent/KR101670372B1/en
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Publication of KR101670372B1 publication Critical patent/KR101670372B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
    • B21C37/0811—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off removing or treating the weld bead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The object of the present invention is to provide a support pipe manufacturing device which can easily insert a plate material for manufacturing a support pipe from a side and pressurize the joint portion in a welding process by a welding portion so as to be clearly bonded. The support pipe manufacturing device comprises: a bending die; a bending processing board; a support core; a side bending portion; a joint bending portion; a weld portion; a welding support portion; a cooling portion; a separation discharge portion; and a processing board actuator.

Description

[0001] Pole production equipment [0002]

[0001] The present invention relates to a support tube manufacturing apparatus, and more particularly, to a support tube manufacturing apparatus that includes a bending die having a bending groove formed on an upper surface of a device body and tapered from a front end to a rear end, A bending core that is hinged on one side so as to be rotatable to one side at the time of insertion; a holding core that presses a plate material seated on the bending die to bend the bending die into a semi-circular shape; A side bending section for bending the processed workpieces on both sides and for bending the workpieces in a tubular form and a joint actuator for bending the workpieces bent in a tubular shape by the side bending section on the bending machine tool, A joining bend portion, and a joining portion of the tubular workpiece, The key includes a welding portion, a welding support portion protruding from the welding bending portion by a welding support actuator to prevent the welding portion from being worn by the welding portion, and a cooling portion provided on one side of the bending portion to cool the welded portion A separating and discharging part for separating and releasing the supporting tube body cooled through the cooling part from the holding core and the bending die, and a machining table actuator for rotating the bending machine tool to one side so that the plate for producing the supporting tube can be easily And the welding is performed in a welding process by pressing the welding part.

Generally, a support tube such as a street lamp or a signal lamp holder is manufactured by bending a plate after welding and joining to weld the support tube. However, in order to manufacture the support tube, a large roller is required and a lot of labor and time are required And the like.

The applicant of the present application, as filed in the Japanese Patent Application No. 1997-64313, proposes a method in which a sheet material placed on a bending die is firstly bent into a semicircular shape by a supporting core, and the first bent semicircular product is pressed After forming the tube by bending, the joint was welded to fabricate the supporting tube.

However, in the conventional support tube bending device as described above, since the bending of the support tube is made only of a first bending which is bent in a semicircular shape and a second bending which bends in a tubular shape, the joint part forms a curved surface due to the spring- The product was defective and the protruding portion had to be polished through a separate processing step.

Korean Patent Publication No. 10-1999-0043322

However, in the conventional support tube bending device as described above, since the bending of the support tube is made only of the first bending which is bent in a semicircular shape and the second bending which bends in a tubular shape, And it is possible to solve the difficulty of manufacturing such as the necessity of polishing the protruding part through a separate processing step.

That is, according to the present invention, there is provided a support tube manufacturing apparatus comprising: a bending die having a bending groove formed in a top surface of a device body and tapered from a front end to a rear end; and a bending die having a first side A hinge-coupled bending machine tool, a holding core for pressing the plate material placed on the bending die by pressing the bending machine tool in a semicircular shape, and a workpiece machined into a semi-circular shape by the holding core on the bending machine tool, A joining bending portion that is raised and lowered by a joining actuator restrained by the joining portion so as to be able to press-bend the joining portion of the workpiece bent in a tubular shape by the side bending portion to the bending machine tool, A weld portion provided on the welding bending portion to weld the welded portion of the tubular workpiece, A cooling part formed of a plurality of nozzles provided at one side of the bending process stage to cool the welded joint, and a support pipe, which is cooled through the cooling part, A separating and discharging unit for separating and discharging the holding core and the bending die, and a machining center actuator for rotating the bending machine shaft to one side.

Therefore, the present invention has an effect that the plate material can be easily supplied by rotating the bending machine tool in the side direction when manufacturing the support tube body, and the welding is performed in a state where the joining portions of the plate material bent by the tube body are pressed at regular intervals, It has a clear effect.

1 is a perspective view of a main component according to an embodiment of the present invention;
FIG. 2 is a perspective view showing a first embodiment of the present invention before first bending. FIG.
Fig. 3 is a side view of a bending machine according to an embodiment of the present invention. Fig.
FIG. 4 is a side view of the bending machine shown in FIG. 1 according to an embodiment of the present invention.
5 is a first bending process diagram showing an embodiment according to the present invention.
6 is a second bending process diagram showing an embodiment according to the present invention.
FIG. 7 is a third-order bending process diagram showing an embodiment according to the present invention. FIG.
8 is a view of a welder showing an embodiment according to the present invention.
9 is a cooling process diagram showing an embodiment according to the present invention.
10 is a sectional view of a joint bending part according to an embodiment of the present invention.
11 is a process diagram of a separation and discharge process according to an embodiment of the present invention.
12 is a process diagram of a welding bead cutting process according to an embodiment of the present invention.

Hereinafter, the configuration of the present invention will be described with reference to the accompanying drawings.

The present invention makes it possible to easily supply the plate material in the production of the support tube and to make the welding clear, and the terms and words used in the present specification and claims are to be interpreted in the ordinary or preliminary sense And the inventor should interpret the meaning and concept in accordance with the technical idea of the present invention based on the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

That is, according to the present invention, there is provided a support tube manufacturing apparatus comprising: a bending die (10) having a bending groove (11) tapered from a front end to a rear end on an upper surface of a device body; A holding core body 21 for pressing the plate material 1 seated on the bending die 10 and bending it in a semicircular shape on the bending die tool 10 so as to be rotatably spread on the holding core body, A side bent portion 30 for pressing the workpiece machined into a semicircular shape by the side cutter portion 21 on both sides and bending the cut workpiece into a tubular shape, and a joint portion of the workpiece bent in a tubular shape by the side bent portion 30, A joining bending portion 40 which is lifted and lowered by a joining actuator 41 constrained to the pillar 80 so as to be press-bendable, a weld portion 50 movably provided on the bending machine platform to weld the joining portion of the tubular workpiece, A welded portion () for projecting by the welding support actuator () to the weld joint bending portion (40) and preventing the welding process from being worn by the welding portion, a plurality of nozzles provided at one side of the bending machining stand to cool the welded joint A separating and discharging unit 70 for separating and discharging the support tube 2 cooled through the cooling unit 60 from the holding core 21 and the bending die 10, And a machining-station actuator 81 whose one end is fastened to a strut 80 that rotates and deploys to one side.

 The side bending portion 30 forms a tubular machining groove recessed on the inner surface so as to be able to process a workpiece machined into a semicircular shape and is provided on the anode of the bending die 10 around the support core 21 A side bending machine 31 and a side actuator 32 for causing the side bending machine 31 to protrude and retract about the support core 21.

The side bending portion 30 is formed such that both ends of the side bending portion 31 are not in contact with each other so as to form a joining portion pressing groove for press bending the joining portion at the completion of pressing for bending.

The columnar body 21 has a core actuator 22 having binding means at its end so as to be able to bend the plate material 1 of the bending die 10 in a semicircular shape by a pressing force generated by the lifting and lowering of the joint bending portion 40 And is restrained by the joint bending portion 40 by the bending portion 40.

The binding means of the core actuator 22 is composed of a core ring 22a hinged to the tip of the rod and hooked to the end of the holding core 21.

The separating and discharging portion 70 includes a core restraining portion 71 for restraining a retaining groove 21a formed on both sides of the leading end portion of the supporting core 21, A separating plate 73 which is fitted on the tip end of the supporting column 21 and pushes and separates the tip of the supporting tube 2 which has been processed by the pressing force of the separating actuator 72, A cushion roller 92 for cushioning the rear end of the support column 21 lifted by the actuator 22 and a support tube 2 separated from the support column 21 by the separation plate 73, And a discharge roller 93 for supporting the support tube 2 inserted and discharged by the discharge clamp 91. [

The welding portion 50 is provided to be movable along a guide rail 53 provided at one side of the joint bending portion 40 and is configured to approach the joint portion by the joint approach means.

The welded portion approaching means can be implemented such that the welder 51 is projected by the welding actuator 52 to the joint portion exposed in the raised state of the joint bent portion 40.

Further, in the present invention, the grinder 200 can be provided on the lead-out side so that the weld bead can be cut when the processed struts 2 are pulled out.

In the present invention, the machining-station actuator 81 is provided at one side of the hinged-bending-machining stage so that the side surface of the plate 1 can be easily rotated.

Hereinafter, an operation process according to the present invention will be described.

As described above, according to the present invention, in the bending preparation step (100) for rotating the bending machine tool by driving the machining bushing actuator 81 provided at one side of the bending machine tool hinged to place the plate material 1 on the bending die 10, A first bending step 101 for bending the plate material 1 into a semi-circular shape; and a step for bending the semicircular workpieces from both sides around the holding core 21 through the first bending step 101, , A third bending step (103) for pressing and bending the joint part of the workpiece bent in a tubular shape through the second bending step (102) to form a curved surface, and a second bending step A welding step (104) for welding the joints of the work pieces through the bending step (103), a cooling step (105) for cooling the welded part welded through the welding step (104) The workpieces are spaced apart from the bending die 10 And a separating and discharging process 106 for separating the supporting tube 2 from the supporting core 2 by pushing the rear end of the supporting tube 2 with the discharging clamp 91 and discharging the separated supporting tube 2. The bending die 10, The present invention comprising the core body 21, the side bending portion 30, the joining bending portion 40, the weld portion 50, the cooling portion 60, and the separating / 1 is driven to operate the machining station actuator 81, one side of the bending station is opened and then placed on the bending die 10.

The joining actuator 41 is lowered to move the plate core 1 held on the bending die 10 by the core actuator 21 constrained to the lower end of the joining bend section 40 by the core actuator 22, .

As described above, in a state where the plate member 1 is bent in a semicircular shape, the core actuator 22 is caused to protrude while the bonding actuator 41 is immersed so that only the joint bent portion 40 is raised.

The side actuators 32 of the side bent portions 30 provided on both sides of the support cores 21 are projected so as to press both sides of the semi-circularly bent workpieces, Allows the workpiece to be bent into a tubular shape.

At this time, the workpiece processed into the tubular shape is in a state in which the joint portion is not completely bent to the curved surface but protruded upward due to the springback phenomenon. In this state, the tubular workpiece is bent The joining actuator 41 is projected so that the joining bending portion 40 is inserted into the joining portion formed by the side bending machine 31 and the joining portion protruding upward is pressed so that the projecting joining portion is bent .

After the joint portion is curved in the above-described manner, the joint actuator 41 and the side actuator 32 are immersed to raise the joint bent portion 40 and to return the side bending machine 31.

At this time, a plurality of welding support actuators 42 provided in the joint bending portion 40 are driven to downwardly protrude the welded support portion 42a to press the joint portion so that the joint portion is not opened, It will be.

When the welded portion approaches the welded portion by means of the welded portion approach means to weld the welded portion, the welded support portion 42a is raised in order to weld the welded portion without interference. At this time, warping is prevented by welding the joint portion of the workpiece in a state in which the support core 21 is inserted.

As described above, when welding by the welding portion 50 is completed, cooling water is sprayed from the nozzle of the cooling portion provided on the side of the pressing portion of the joint portion to cool the welding surface. When the cooling is completed, the core actuator 22, To allow the support tube 2 to be spaced from the bending die 10.

At this time, the rear end of the supported support tube 2 is supported by the cushion rollers 92 that protrude when the pressing force is lost.

In the state where the support tube 2 is separated from the bending die 10 as described above, the separating actuator 73 of the separating and discharging portion 70 is operated to push the separating plate 73 to pivot the supporting tube body 2, The supporting tube 91 separated from the supporting body 21 is separated from the core body 21 and is disposed at the rear end of the supporting tube 91. The supporting tube 91 is held by the discharging clamp 91 pulled by the towing device.

At this time, the holding core 21 is held in the core restraining part 71 through the first bending step 101 for semi-circularly bending the plate material 1, The flow of the columnar core 21 is prevented during the separation process of the columnar body 2.

Meanwhile, in the embodiment of the present invention, the tubular machining grooves of the support core 21 and the side bending machine 31 are formed in a polygonal shape, so that a multiple support tube body can be manufactured.

1: Plate 2: Support tube
10: Bending die 11: Bending groove
21: holding core 21a: latching groove
22: core actuator 22a: core chain
30: side bending portion 31: side bending machine 32: side actuator
40: joint bending portion 41: bonding actuator 42: welding support actuator
42a: welded area
50: welding part 51: welding machine 52: welding actuator
53: guide rail
60: cooling section
70:
71: core restricting portion 72: separating actuator 73: separating plate
80: support 81: machining station actuator
91: discharge clamp 92: cushion roller 93: discharge roller
101: first bending step 102: second bending step 103: third bending step
104: welding process 105: cooling process 106: separate discharge process
200: Grinder

Claims (1)

A supporting tube manufacturing apparatus comprising:
A bending die 10 having a bending groove 11 formed on an upper surface of the apparatus body so as to be tapered from a front end to a rear end; A holding core body 21 which presses the plate material 1 seated on the bending die 10 of the bending processing stage and bends it in a semicircular shape and a holding core 21 of the bending processing stage, (80) for press-bending a joint part of the workpiece bent in a tubular shape by the side bent part (30) of the bending worktable, A welded portion 50 which is movably provided on the bending shaft so as to fuse the welded portion of the tubular workpiece, a welded portion 40 which is welded to the welded bend portion 40, Actuator (42a) protruding from the welded portion (42) and preventing the welding process by the welding portion (50) from spreading, a cooling portion (60) formed of a plurality of nozzles provided on one side of the bending processing table for cooling the welded joint A separating and discharging unit 70 for separating and releasing the support tube body 2 cooled through the cooling unit 60 from the supporting core 21 and the bending die furnace 10 and a hinge- And a machining table actuator (81) coupled to one end of the upper side so as to rotate and extend the struts (80)
Wherein the grinder (200) is provided on the drawer side so that the weld bead can be cut when the strand welded in the tubular shape is taken out along the bending process.
KR1020160122055A 2016-09-23 2016-09-23 Pole production equipment KR101670372B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160122055A KR101670372B1 (en) 2016-09-23 2016-09-23 Pole production equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160122055A KR101670372B1 (en) 2016-09-23 2016-09-23 Pole production equipment

Publications (1)

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KR101670372B1 true KR101670372B1 (en) 2016-10-28

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Family Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190106183A (en) * 2018-03-08 2019-09-18 삼성중공업 주식회사 Automatic bending and welding machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06240336A (en) * 1993-02-19 1994-08-30 Sumitomo Metal Ind Ltd Method for separating and removing non-metallic inclusion
KR20010036354A (en) 1999-10-07 2001-05-07 황은식 Vessel showing temperature inside vessel and of contents

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06240336A (en) * 1993-02-19 1994-08-30 Sumitomo Metal Ind Ltd Method for separating and removing non-metallic inclusion
KR20010036354A (en) 1999-10-07 2001-05-07 황은식 Vessel showing temperature inside vessel and of contents

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190106183A (en) * 2018-03-08 2019-09-18 삼성중공업 주식회사 Automatic bending and welding machine
KR102116553B1 (en) * 2018-03-08 2020-05-28 삼성중공업 주식회사 Automatic bending and welding machine

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