KR100958858B1 - Apparatus for manufacturing vertical frame of ladder - Google Patents

Apparatus for manufacturing vertical frame of ladder Download PDF

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Publication number
KR100958858B1
KR100958858B1 KR1020100011630A KR20100011630A KR100958858B1 KR 100958858 B1 KR100958858 B1 KR 100958858B1 KR 1020100011630 A KR1020100011630 A KR 1020100011630A KR 20100011630 A KR20100011630 A KR 20100011630A KR 100958858 B1 KR100958858 B1 KR 100958858B1
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KR
South Korea
Prior art keywords
vertical frame
punching
cutting
ladder
moving plate
Prior art date
Application number
KR1020100011630A
Other languages
Korean (ko)
Inventor
김용중
Original Assignee
주식회사 이래에이치아이
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Priority to KR1020100011630A priority Critical patent/KR100958858B1/en
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Publication of KR100958858B1 publication Critical patent/KR100958858B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B21D39/063—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in for assembling ladders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/28—Associations of cutting devices therewith
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B5/00—Clamps
    • B25B5/14—Clamps for work of special profile
    • B25B5/147—Clamps for work of special profile for pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)

Abstract

The vertical frame processing apparatus for a ladder according to the present invention includes a moving plate, a moving means including a motor to move the moving plate, and a vertical frame clamping part mounted on the other side of the moving plate to clamp the rear end of the vertical frame of the ladder. The vertical frame is conveyed by clamping the vertical frame and horizontally conveying the vertical frame in the longitudinal direction of the vertical frame, and the vertical frame is conveyed as the conveyor is moved on the rail formed on the upper surface. A punching blade and a cutting blade for punching and cutting at the position where the step bar is to be coupled to the transported vertical frame, and pressing on the upper side of the vertical frame to punch and cut the vertical frame supplied by the conveyor. When moving the punching cutter, the moving plate, and the moving plate installed on one outside Clamping the vertical frame punched and cut by the punching cutter, including a moving means including a motor for moving, and a vertical frame clamping portion mounted to the other side of the moving plate and clamping the front end of the vertical frame of the ladder. Ejector for moving and discharging, Discharge table is installed on the outer side of the punching cutter and formed on the upper surface of the discharge table and the vertical frame is discharged as the ejector is moved, The conveyor, punching cutter, ejector It characterized in that it comprises a control unit for controlling according to the input information.

Figure R1020100011630

Description

Vertical frame processing equipment for ladders {APPARATUS FOR MANUFACTURING VERTICAL FRAME OF LADDER}

The present invention relates to a vertical frame processing apparatus for ladders, and more particularly, to a vertical frame processing apparatus of a ladder that can be punched and cut quickly and accurately by automating the punching and cutting of the vertical frame used in the manufacture of metal ladders. will be.

Generally, metal ladders used in ships or the like are manufactured by combining a vertical frame (consisting of flat iron or angles) and a step bar used as a scaffold, as the vertical frame, as shown in FIG. 1. In addition, in order to couple the step bar to the vertical frame constituting the metal ladder as described above, the vertical frame is processed in parallel by punching at the position where the step bar is coupled and cutting the raw material of the vertical frame by a certain length. .

By the way, when the punching work and cutting work of the vertical frame, such as the current worker is doing by hand one by one is not punched in the correct position, the defect rate is high, there is a problem that the quality is lowered as well as the manufacturability is reduced.

The present invention has been made to solve the problems of the prior art to provide a vertical frame processing apparatus for a ladder that can be punched and cut quickly and accurately by automating the punching and cutting of the vertical frame used in the manufacture of the ladder. The purpose.

The vertical frame processing apparatus for ladders according to the present invention includes a moving means including a moving plate, a motor mounted on one side of the moving plate to move the moving plate, and a rear end of the vertical frame of the ladder mounted on the other side of the moving plate. A feeder for clamping the vertical frame and horizontally transporting the vertical frame, including a vertical frame clamping portion for clamping, a transfer table for transporting the vertical frame as the feeder is seated on the rail formed on the upper surface, and the feeder is moved; A punching blade for punching at the position where the step bar is to be coupled to the vertical frame conveyed by the conveyor on the transfer table and a cutting blade for cutting the vertical frame by a predetermined length are pressed by the upper side of the vertical frame and supplied by the conveyor. Transfer table including presses for punching and cutting vertical vertical frames A punching cutter installed on one outside, a moving means including a moving plate and a motor mounted on one side of the moving plate to move the moving plate, and mounted on the other side of the moving plate to clamp the front end of the vertical frame of the ladder. Ejector for clamping the vertical frame punched and cut by the punching cutter and horizontally discharged from the punching cutter, including a vertical frame clamping portion, and the ejector seated on a rail provided on one side of the punching cutter and formed on the upper surface And a controller for controlling the ejector according to the input information including a punching interval, a punching cutter, and an ejector, in which a vertical frame is discharged as the ejector moves. do.

In addition, the moving means of the feeder and the ejector is characterized in that the pinion gear is connected to the rotating shaft of the motor is formed to be engaged with the rack gear formed in a straight line.

In addition, the vertical frame clamping portion of the conveyor and the ejector includes a seating portion on which the vertical frame is seated, a clamping bar for supporting the vertical frame seated on the seating portion from the upper side of the seating portion, and an air cylinder for drawing in and drawing out the clamping bar. Characterized in that made.

In addition, the transfer table and the beveling table, the rail frame is formed on the upper side, and the vertical frame is characterized in that it comprises a roller frame provided with a plurality of feed rollers to be transported seated on the upper side.

The transfer table may include a first support roller supporting one side of the vertical frame on one side of the roller frame to which the vertical frame is supplied, and facing the first support roller to support the other side of the vertical frame. A plurality of second support rollers, a cylinder rod to which the second support rollers are coupled to one end, and an air cylinder to draw in and draw out the cylinder rods so that the vertical frame is punched by a punching cutter by a control unit. The cylinder rod is drawn out from the air cylinder so that the second support roller supports the other side of the vertical frame, and the cylinder rod is introduced into the air cylinder so that the vertical frame can be transferred when the vertical frame is transferred. Characterized in that it comprises a vertical frame side support to release the support.

In addition, the punching cutting machine is formed with a punching hole and a cutting hole having the same shape as the punching cross section of the vertical frame, and a lower mold disposed below the vertical frame, and an punching hole and a cutting hole identical to the lower mold are formed and disposed above the vertical frame. A punching blade inserted into a punching hole of the mold, an upper mold, a punching blade for punching a vertical frame, a punching insertion bar movably mounted in an upper movement path of the punching blade, a punching cylinder for drawing in and out of the punching insertion bar, and an upper mold A cutting blade inserted into a cutting hole of the cutting blade for cutting a vertical frame, a cutting insertion bar movably mounted on an upper movement path of the cutting blade, and a cutting cylinder for drawing and drawing the cutting insertion bar and controlled by the controller. When punching the vertical frame, the punching insert bar moves to the upper movement path of the punching blade, Is transmitted by day punching and punching, to move the upper moving path of the cut during the cutting of the vertical frame, the cutting insert bar day characterized in that the pressure of the press machine is transmitted to the cutting punch day.

In addition, a discharge bar having one end hinged to one side of the discharge table, a cylinder rod to which the discharge bar is coupled to one end, and an air cylinder for entering and withdrawing the cylinder rod from the lower side of the vertical frame moved on the discharge table. It characterized in that the discharge bar further comprises a vertical frame loading portion to be separated from the discharge table by rotating by the air cylinder to load on the loading table.

According to the present invention, there is provided a vertical frame processing apparatus of a ladder capable of mass-producing high quality vertical frames by punching and cutting vertically and automatically by punching and cutting vertical frames used in the manufacture of ladders.

1 is a view showing the structure of a ladder,
2 is a plan view of a vertical frame processing apparatus of the present invention,
Figure 3 is a plan view of the conveyor of the vertical frame processing apparatus of the present invention,
4 is a front view of FIG. 3;
5 is a side view of FIG. 4;
Figure 6 is a view showing the vertical frame side support of the transfer table of the present invention,
7 is a front view of the punching cutting machine of the vertical frame processing apparatus of the present invention,
8 is a side cross-sectional view of the punching cutter of FIG. 7,
9 is a plan view of the ejector of the vertical frame processing apparatus of the present invention,
10 is a front view of FIG. 9;
Figure 11 is a side cross-sectional view of the vertical frame mounting portion of the vertical frame processing apparatus of the present invention.

Hereinafter, a vertical frame processing apparatus for a ladder according to a preferred embodiment of the present invention will be described in detail with reference to the drawings. The term vertical frame used in the present invention is used in the concept including both flat iron or angle before processing.

Figure 2 is a plan view of the vertical frame processing apparatus of the present invention, Figure 3 is a plan view of a feeder of the vertical frame processing apparatus of the present invention, Figure 4 is a front view of Figure 3, Figure 5 is a side view of Figure 4, 6 is a view showing the vertical frame side support of the transfer table of the present invention, Figure 7 is a front view of the punching cutter of the vertical frame processing apparatus of the present invention, Figure 8 is a side cross-sectional view of the punching cutter of Figure 7, Figure 9 10 is a plan view of the ejector of the vertical frame processing apparatus of the present invention, FIG. 10 is a front view of FIG. 9, and FIG. 11 is a side cross-sectional view of the vertical frame stacking portion of the vertical frame processing apparatus of the present invention.

The apparatus 100 for processing a vertical frame for a ladder according to a preferred embodiment of the present invention includes a feeder 110 for transferring a vertical frame, a transfer table 120 for guiding the feeder 110 to be moved from an upper surface thereof, Punching cutter 130 for punching and cutting the vertical frame conveyed by the conveyor 110, the ejector 140 for discharging the punched and cut vertical frame, and the discharge to guide the ejector 140 to move from the upper surface It comprises a table 150.

First, the conveyor 110 is mounted on the rail of the transfer table 120 and clamps the vertical frame to supply the punching cutter 130. The moving plate 111 and the moving plate 111 are moved. Moving means including a servo motor 112 mounted on one side of the movable plate 111, and a vertical frame clamping part mounted on the other side of the movable plate 111 to clamp the rear end of the vertical frame F of the ladder ( 114).

The moving plate 111 is seated on the rail of the transfer table 120, and the moving means moves the servo motor to one side of the moving plate 111 to move the moving plate 111 to one side of the moving plate 111. Rack gear 112 is mounted, the pinion gear 113 is connected to the rotating shaft of the servomotor 112 on the lower side of the moving plate 111 on which the servomotor 112 is mounted. The moving plate 111 is moved as it rotates in engagement with 123a).

The vertical frame clamping part 114 for clamping the vertical frame is mounted on the other side of the moving plate 111 and formed on the lower side of the moving plate 111 of the conveyor 110 so that the rear end of the vertical frame F is seated. The clamping bar 114b supporting the rear end of the vertical frame F seated on the seating portion 114a on the seating portion 114a, the seating portion 114a, and the clamping bar 114b. It comprises a air cylinder 114c for drawing out.

The conveyer 110 supports the rear end of the vertical frame seated on the seating portion 114a by the clamping bar 114b drawn from the air cylinder 114c and moves by the servomotor 112. .

The transfer table 120 serves as a support for guiding the transfer by mounting the feeder 110 on the upper surface. A support frame 122 having a support leg 121 is formed at a lower side thereof, and a support frame 122 is provided. ), The rack gear 123a meshing with the pinion gear 113 of the servomotor 112 extends in the moving direction of the feeder 110 on the side thereof, and the feeder The rail frame 124a on which the 110 is seated is formed on the rail frame 124 and the roller frame 125 provided with a plurality of feed rollers 125a to be transported by mounting the vertical frame F on the upper side. It is made to include.

In addition, the transfer table 120 is provided with a vertical frame side support portion that supports the vertical frame (F) from the side when the vertical frame (F) is supplied to the punching cutter 130 at a position adjacent to the punching cutter (130). The vertical frame side support part includes a plurality of first support rollers 127a supporting one side of the vertical frame F on one side of the roller frame 125 where the vertical frame F is moved, and the other of the vertical frame F. A plurality of second support rollers 126a which are formed to face the first support rollers 127a to support the side surfaces, and a cylinder rod 126b to which the second support rollers 126a are coupled to one end, respectively, It comprises a respective air cylinder 126c for drawing in and out the cylinder rod 126b of the. In addition, the cylinder rod 127b and the cylinder rod 127b coupled to the first support roller 127a so as to change the position of the first support roller 127a when the width of the vertical frame F is changed. The air cylinder 127c which draws in and draws out is further provided.

The vertical frame side support part having such a configuration is controlled by a controller (not shown) in a state in which the first support roller 127a always supports one side of the vertical frame F so that the vertical frame F is punched cutter. When punched by 130, the cylinder rod 126b is drawn out of the air cylinder 126c to fix the vertical frame F so that the second support roller 126a supports the other side of the vertical frame F, Then, when the vertical frame F is moved for punching, the cylinder rod 126b is introduced into the air cylinder 126c to release the support of the second support roller 126a.

The punching cutter 130 is for punching and cutting the vertical frame (F) conveyed by the conveyor 110, the upper mold 132 and the lower mold respectively disposed on the upper and lower sides of the vertical frame (F) 131, the punching blade 133 and the cutting blade, which is inserted into the upper mold 132 to punch and cut the vertical frame (F), respectively, to transfer the pressure of the punching blade 133 and the cutting blade 136 It includes a punching cylinder 135 and a cutting cylinder 137 for inserting the punching insertion bar 134 and the cutting insertion bar into the punching blade 133 and the upper movement passage 134a of the cutting blade, respectively.

In more detail, the lower mold 131 is disposed below the vertical frame F, and the punching holes 131a and the cutting holes (not shown in the drawing) having the same shape as the punching cross section of the vertical frame F are spaced apart from each other. Is formed. In the present invention, the cross section of the step bar (S) coupled to the vertical frame (F) is formed in a rhombus and the punching hole (131a) is also formed in a rhombus shape, and the cutting hole is roughly cut in the width direction of the vertical frame (F). In the rectangular shape, the upper and lower portions are formed so that their width becomes larger than the center portion so that the edge portion of the vertical frame F is cut.

The upper mold 132 is also disposed above the vertical frame F to form the same punching hole 132a and the cutting hole as the lower mold 131.

The punching blade 133 and the cutting blade are for punching and cutting the vertical frame F, respectively, by receiving the pressure of the press machine 136, and punching holes 131a and 132a and cutting holes of the upper and lower molds 132 and 131, respectively. Each having the same cross section, and is inserted into the punching hole and the cutting hole of the upper mold 132, respectively.

The punching insertion bar 134 and the cutting insertion bar are for transferring the pressure of the press machine 136 to the punching blade and the cutting blade, and are movably mounted on the punching blade and the upper movement path 134a of the cutting blade, respectively. The cylinder 135 and the cutting cylinder 137 are pulled in and out respectively.

Therefore, during punching, the punching insertion bar 134 is withdrawn from the punching cylinder 135 to be positioned above the punching blade 133, and the cutting insertion bar is in the state where the cutting insertion bar is drawn into the cutting cylinder 137. On the contrary, the punching insertion bar 134 is introduced into the punching cylinder 135 and the cutting insertion bar is drawn out from the cutting cylinder 137 and positioned above the cutting blade. (The structure in which the cutting blade operates is the operation of the punching blade. Similar to the structure, the drawings are omitted)

The discharger 140 is seated on the rail of the discharge table 150 to clamp the vertical frame (F) to discharge from the punching cutter 130, the same as the transfer plate 110 and the moving plate 141 It comprises a moving means including a servo motor 142, and a vertical frame clamping unit 144 for clamping the front end of the vertical frame (F) of the ladder.

The vertical frame clamping portion 144 of the ejector 140 may also include the seating portion 144a, the clamping bar 144b, and the clamping bar 144b in the same manner as the vertical frame clamping portion 114 of the conveyor 110. The air cylinder 144c which draws in and draws out is included. The configuration of the ejector 140 is the same as the configuration of the feeder 110, so detailed description thereof will be omitted.

The discharge table 150 serves as a support for guiding movement by mounting the discharger 140 on the upper surface, the support frame 152 in which the support leg 151 is formed in the same way as the transfer table 120; The rack gear 153a meshing with the pinion gear 143 of the servomotor 142 extends in the moving direction of the feeder 110 on the side, and the rail 154a is formed on the upper side. Rail frame 154 is formed, and the vertical frame (F) on the upper side is made of a roller frame 155 provided with a plurality of feed rollers (155a) to move.

In addition, the discharge table 150 is also provided in a position adjacent to the punching cutter 130, the vertical frame side support portion for supporting the vertical frame (F) in the side. Vertical frame side support portion Also, similar to the vertical frame side support portion of the transfer table 120 a plurality of first support rollers 157a for supporting one side of the vertical frame (F) and the other side of the vertical frame (F) A plurality of second support rollers 156a formed to face the first support rollers 157a for support, a cylinder rod 156b to which the second support rollers 156a are coupled to one end, and the respective cylinders. It comprises an air cylinder 156c for drawing in and out the rod 156b, and when the width of the vertical frame (F) is changed, the first support roller (157a) to change the position of the first support roller (157a) 157a is further provided with a cylinder rod 157b coupled thereto and an air cylinder 157c for introducing and withdrawing the cylinder rod 157b.

In addition, the discharge table 150 is further provided with a vertical frame stacking unit for loading the completed vertical frame (F) on the stacking table 164. The vertical frame loading part has an outlet bar 161 whose one end is hinged to one side of the upper surface of the transfer table 120, a cylinder rod 162 to which the discharge bar 161 is coupled to one end, and the cylinder rod 162 is drawn in. Including the air cylinder 163 to draw out, the discharge bar 161 is rotated by the air cylinder 163 at the lower side of the vertical frame (F) which is moved on the discharge table 150 is separated from the discharge table 150 To be stacked on the stacking table 164.

Hereinafter will be described the operating method of the processing apparatus of the vertical frame (F) for a ladder according to a preferred embodiment of the present invention configured as described above.

First, the vertical frame F is positioned on the conveying roller 125a of the conveying table 120 by the operator, and the conveyer 110 is advanced to a predetermined position on the conveying table 120 so that the vertical frame F When the rear end is seated on the seating part of the conveyor 110, the clamping bar 114b is drawn out from the air cylinder 114c to support the upper surface of the rear end of the vertical frame (F), and then the conveyor 110 is advanced by the moving means. The front portion of the vertical frame (F) is supplied to the punching cutter 130.

Then, when the vertical frame (F) is supplied to the punching cutter 130, the punching operation is performed at a predetermined position. The punching operation is carried out from the punching cylinder 135 by the punching insertion bar 134 to the upper moving passage 134a of the punching blade 133 so that the pressure is transmitted to the punching blade when the press machine 136 presses the upper mold 132. The punching blade 133 inserted into the punching hole 132a of the punches the vertical frame F placed on the lower mold 131.

And, when the vertical frame (F) is punched by the punching cutter 130, the first support roller of the vertical frame side support of the vertical frame side installed on the transfer table 120 and the discharge table 150 to fix the vertical frame (F) ( 127a) and the second support roller 126a which is installed to be opposed thereto are advanced to support and fix the side of the vertical frame F, and then the second support roller when the vertical frame F is moved for the punching operation. 126a is retracted toward the air cylinder 126c to release the support.

After the punching operation is performed 2-3 times by the punching cutter 130, when the front part of the vertical frame F is moved to the discharge table 150, the ejector 140 is moved on the discharge table 150 to move the vertical frame F. Clamp the front end and move the vertical frame F between the punching operations.

When the punching operation is completed, the punching insertion bar 134 is retracted to the punching cylinder 135 for cutting operation, and the cutting insertion bar is drawn out from the cutting cylinder 137 to the upper movement path of the cutting blade so that the press machine 136 is When pressing, pressure is transmitted to the cutting blade to cut the vertical frame F in a manner similar to the punching operation.

When the punching and cutting is completed by the punching cutter 130 as described above, the ejector 140 moves while clamping the vertical frame F, and when the vertical frame F is positioned above the discharge bar 161. The cylinder rod 162 is drawn out from the air cylinder 163 of the vertical frame loading unit, and the discharge bar 161 is rotated so that the completed vertical frame F is separated from the discharge table 150 and loaded on the loading table 164. do.

The above operations are input to the controller (not shown) information necessary for processing the vertical frame (F), such as punching interval and cutting interval is controlled by the feeder 110, punching cutter 130, ejector 140, etc. Will be.

As described above, the processing apparatus of the vertical frame for the ladder of the present invention has the advantage of mass production of high quality vertical frames by punching and cutting quickly and accurately by automating the punching and cutting of the vertical frame.

As described above, the processing apparatus of the vertical frame for ladders of the present invention has been described with reference to a preferred embodiment, but the present invention is not limited thereto, and a person skilled in the art does not depart from the gist of the present invention described in the claims below. It will be readily understood that various modifications may be made without departing from the scope of the present invention.

<Description of the symbols for the main parts of the drawings>
110: feeder 120: transfer table
130: punching cutter 140: ejector
150: discharge table 160: vertical frame loading portion

Claims (11)

A vertical frame including a moving plate, a moving means including a motor mounted on one side of the moving plate to move the moving plate, and a vertical frame clamping part mounted on the other side of the moving plate to clamp the rear end of the vertical frame of the ladder. A feeder which clamps and feeds horizontally in the longitudinal direction of the vertical frame,
A transfer table on which a vertical frame is transferred as the conveyor is moved on the rail formed on the upper surface, and the conveyor is moved;
A punching blade for punching at the position where the step bar is to be coupled to the vertical frame conveyed by the conveyor on the transfer table and a cutting blade for cutting the vertical frame by a predetermined length are pressed by the upper side of the vertical frame and supplied by the conveyor. A punching cutting machine installed at one outside of the transfer table, including a press for punching and cutting the vertical frame;
The punching cutter including a moving plate, a moving means including a motor mounted on one side of the moving plate to move the moving plate, and a vertical frame clamping part mounted on the other side of the moving plate to clamp the front end of the vertical frame of the ladder. An ejector for clamping the vertical frame punched and cut by the horizontal frame and being discharged by horizontally moving from the punching cutter,
An ejection table installed on one outside of the punching cutter and mounted on a rail formed on an upper surface of the ejection table to discharge the vertical frame as the ejector moves;
And a control unit for controlling the feeder, the punching cutter, and the ejector according to pre-input information including a punching interval, a cutting interval, and the like. The method of claim 1,
The moving means of the conveyor is a vertical frame processing apparatus for a ladder formed with a pinion gear connected to the rotating shaft of the motor is formed on the lower side of the moving plate to be engaged with the rack gear formed in a straight line on the transfer table. The method of claim 1,
A clamping bar for supporting the rear end of the vertical frame seated on the seating portion formed on the lower side of the moving plate of the conveyor, and the rear end of the vertical frame seated on the seating portion; Vertical ladder processing apparatus of the ladder comprising an air cylinder for drawing in and out the clamping bar. The method of claim 1, wherein the transfer table,
A rail frame on which the rail on which the conveyor is seated is formed;
The vertical frame processing apparatus of the ladder comprising a roller frame provided with a plurality of feed rollers so that the vertical frame is seated on the upper side. The method of claim 4, wherein
The transfer table may include a first support roller supporting one side of the vertical frame on one side of the roller frame to which the vertical frame is supplied, and a plurality of first support rollers facing the first support roller to support the other side of the vertical frame. And a second support roller, a cylinder rod to which the second support roller is coupled to one end, and an air cylinder for pulling in and drawing out the cylinder rod to fix the vertical frame when the vertical frame is punched by the punching cutter by the control unit. The cylinder rod is drawn out from the air cylinder so that the second support roller supports the other side of the vertical frame, and the cylinder rod is introduced into the air cylinder so that the vertical frame can be transferred when the vertical frame is transported to support the second support roller. Vertical frame processing apparatus of the ladder comprising a vertical frame side support to release the. The method of claim 1,
The punching cutting machine is a lower mold disposed in the lower side of the vertical frame is formed with a punching hole and a cutting hole of the same shape as the punching cross section of the vertical frame,
The upper mold is formed on the upper side of the vertical frame and the punching hole and the cutting hole is formed the same as the lower mold,
A punching blade inserted into the punching hole of the upper mold to punch the vertical frame;
A punching insertion bar movably mounted on the upper passage of the punching blade;
A punching cylinder for drawing in and out of the punching insert bar,
A cutting blade inserted into a cutting hole of an upper mold to cut a vertical frame;
A cutting insertion bar movably mounted in an upper movement path of the cutting blade,
It includes a cutting cylinder for entering and withdrawing the cutting insertion bar is controlled by the control unit during the punching of the vertical frame when the punching insertion bar is advanced to the upper movement path of the punching blade, the pressure of the press machine is transferred to the punching blade and punched, the vertical frame In the cutting of the vertical frame processing apparatus of the ladder that the cutting insert bar is advanced to the upper movement path of the cutting blade to transfer the pressure of the press machine to the punching blade to cut. The method of claim 1,
The movement means of the ejector is a vertical frame processing apparatus of the ladder formed by the pinion gear connected to the rotating shaft of the motor is formed on the lower side of the moving plate to engage the rack gear formed in a straight line on the discharge table. The method of claim 1,
The clamping bar of the vertical frame clamping part of the ejector is formed on the lower side of the moving plate of the ejector to support the front end of the vertical frame seated on the seating portion, the seating portion is seated on the front end of the vertical frame, and the clamping Ladder vertical frame processing apparatus comprising an air cylinder for entering and withdrawing the bar. The method of claim 1, wherein the discharge table,
A rail frame on which the rail on which the discharger is seated is formed;
Ladder vertical frame processing apparatus comprising a roller frame provided with a plurality of feed rollers to be discharged by mounting the vertical frame on the upper side. 10. The method of claim 9,
The discharge table may include a first support roller supporting one side of the vertical frame on one side of the roller frame from which the vertical frame is discharged, and a plurality of first support rollers facing the first support roller to support the other side of the vertical frame. And a support rod, a cylinder rod having a second support roller coupled to one end, and an air cylinder for drawing in and drawing out the cylinder rod to fix the vertical frame when the vertical frame is punched by the punching cutter by the controller. A vertical frame processing apparatus of a ladder comprising a vertical frame side fixing portion in which a cylinder rod is drawn out from an air cylinder and a cylinder rod is introduced into an air cylinder so that the vertical frame can be fed when the vertical frame is transferred. The method of claim 1,
Discharge bar at the lower side of the vertical frame which is moved on the discharge table with a discharge bar having one end hinged to one side of the discharge table, a cylinder rod coupled to the discharge bar at one end, and an air cylinder for drawing in and out the cylinder rod; The vertical frame processing apparatus of the ladder which further comprises a vertical frame loading part which rotates by an air cylinder, separates a vertical frame from an discharge table, and loads it on a loading table.
KR1020100011630A 2010-02-08 2010-02-08 Apparatus for manufacturing vertical frame of ladder KR100958858B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101366497B1 (en) 2013-10-14 2014-03-03 한림정공주식회사 Manufacturing apparatus of ladder
KR101938335B1 (en) * 2018-08-07 2019-01-14 (주)한인 Aluminum die automatic processing machine
KR101997576B1 (en) * 2018-06-29 2019-07-08 라성산업 주식회사 Multi-cutting system for pipe forming machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101366497B1 (en) 2013-10-14 2014-03-03 한림정공주식회사 Manufacturing apparatus of ladder
KR101997576B1 (en) * 2018-06-29 2019-07-08 라성산업 주식회사 Multi-cutting system for pipe forming machine
KR101938335B1 (en) * 2018-08-07 2019-01-14 (주)한인 Aluminum die automatic processing machine

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