JPH0622731B2 - Continuous production equipment for corrugated panels - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an apparatus for continuously manufacturing corrugated panels of a predetermined size in which a rivet hole is formed at a predetermined position by using a coil material.

[Conventional technology]

2. Description of the Related Art In recent years, there are some trucks for transporting luggage, which have a structure in which a luggage carrier has a container shape in order to protect luggage to be transported. In order to prevent rust and reduce the weight and to secure sufficient structural strength, the outside of the side wall of this container-shaped carrier is
An aluminum corrugated sheet (hereinafter referred to as a panel) 1 as shown in the figure is attached. The aluminum panel 1 has a predetermined size, and the panels are partially overlapped with each other to fix the overlapped portion to the container forming frame by rivets. Therefore, panel 1
A large number of rivet holes 2 having a predetermined pitch are pre-drilled in the.

As a conventional technique for manufacturing the aluminum panel 1 having the rivet holes 2, a predetermined number of plate materials are prepared in advance, and first formed into a corrugated shape by a bending press, and then a hole forming process (hereinafter , Piercing process) to make a product (panel).

Further, the piercing press used for this piercing process is composed of an upper ram having a punch having a large number of punch bodies provided in the width direction and a die having a large number of punch engaging portions for engaging with each punch body. With the structure including the die frame, the punch main body corresponding to the position of the rivet hole to be drilled is selected and the piercing press is operated to open the hole.

[Problems to be Solved by the Invention]

However, in the conventional method of manufacturing a panel, as described above, a predetermined number of standard-sized aluminum plates are previously formed or purchased and stocked, but in general, a container-shaped carrier of this type is currently made to order. In addition, the size of the bed differs depending on the user. Therefore, the yield of the plate material is very poor. Further, it is necessary to stock various kinds of plate materials having different sizes, which causes a problem in terms of cost and storage space. Also in the production line,
There is also a problem that each process is completely independent of each other and the work efficiency is very poor.

Also, when performing piercing on a corrugated aluminum plate, the operator must specify the position of the punch main body to be used according to the position of the hole to be opened, each time,
The work is very troublesome. Furthermore, there is a risk that the operator may make a mistake in selecting the position of the punch main body, which is also a factor that deteriorates the yield.

The present invention has been made in view of the above problems of the prior art,
It is an object of the present invention to provide a corrugated panel continuous manufacturing apparatus capable of automatically and continuously manufacturing corrugated panels of a predetermined size in which a predetermined rivet hole is formed from a coil material.

[Means for Solving the Problems]

In order to achieve the above object, in a continuous manufacturing apparatus for corrugated panels according to the present invention, a coil material straightening and feeding mechanism that unwinds a coil material that is a work and straightens and transports it along a work transportation path; The bending press that forms the work sent by the mechanism into a corrugated shape and some of the plurality of punch bodies that are arranged at a predetermined pitch in the direction traversing the work conveyance path are selectively operated to form the work by the bending press. A pierce sharp press having a piercing mechanism for making a hole in a predetermined position of a work, and a shearing mechanism arranged adjacent to the front of the piercing mechanism and cutting the work, which has been subjected to a hole-piercing process by the piercing mechanism, at a predetermined position, and the piercing sharpener. Located in front of the press and clamps the work tip, A clamp feed that intermittently conveys the work at a predetermined timing that matches the operation timing of the shear press, and an unloader that conveys the work cut by the shear mechanism to the outside of the line are provided.

[Action]

In the device of the present invention, a corrugated panel automatic production line is constructed in which the coil material is formed into a corrugated shape, pierced, and further cut into a predetermined size to form a corrugated panel.

〔Example〕

 Next, an embodiment of the present invention will be described with reference to the drawings.

1 to 8 show an embodiment of the present invention.
The figure shows the overall configuration of the corrugated panel manufacturing line, FIGS. 2 and 3 show the front and side views of the piercing sharp press incorporated in this line, and FIGS. 4 (a) and 4 (b) show the piercing mechanism. Longitudinal sectional views, FIGS. 5 (a) and 5 (b) are longitudinal sectional views of the shear mechanism, FIG. 6 is a sectional view of a vertical sliding portion of the shear mechanism, and FIGS. 7 (a) and 7 (b) are piercings. FIG. 8 is a plan view of the upper die and the lower die of the sharp press, and FIG. 8 is a diagram showing the operation timing of each device in the line of this embodiment.

In these figures, the corrugated panel manufacturing line shows an uncoiler 1 which unwinds and sends out an aluminum coil material.
0, the leveler 20 that corrects the winding curl of the sent coil material (hereinafter referred to as the work) W, and the work W
Bender press 30 for forming a corrugated shape, piercing shear press 40 for cutting a work W into a predetermined size while piercing the corrugated work, and work W
The work W is intermittently advanced by clamping the front end of the piercing tool and the shear mechanism 200 of the piercing shear press 40.
The work (hereinafter, referred to as a panel) W ₁ cut and separated by means of a clamp feed 50 that conveys the work W ₁ to a predetermined position where it can be conveyed by the unloader 60, and the panel W ₁ that is conveyed by the clamp feed 50 is conveyed out of the line. It is composed of an unloader 60.

The uncoiler 10 includes a mandrel 12 equipped with a coil material.
1 rotates counterclockwise to unwind and send out the coil material. The work W sent from the uncoiler 10 is guided to the leveler 20. Leveler 2
0 is provided with a zigzag lattice-shaped straightening roll group 22, and the work W is straightened by passing between the upper and lower straightening rolls. The work W that has passed through the leveler 20 forms a loop-shaped slack in the pit 25, and enables intermittent advancement of the work W pulled by the clamp feed 50. That is, pit 25
A plurality of vertical loop position detection sensors (not shown) are installed therein, and the feed speed of the leveler 20 is adjusted so that the loop is within a predetermined height range.
As a result, the work W is always held in the pit 25 in a loop state with a sufficient margin, and the load due to the intermittent transfer of the work W does not act on the leveler 20 side. Reference numerals 24a and 24b are R guides formed at the front and rear ends of the pit, and reference numeral 26 is the pit 2.
A loop table which is vertically movable in 5 is used to support the work W prior to the operation of the line and to cause the tip of the work to be bitten by the pinch roll 28 located in front of the pit.

Further, the pinch roll 28 is arranged on the inlet side of the bender press 30, and prior to the operation of the line, the work W
Is passed through the bender press 30 and the piercing shear press 40 to feed the work piece to a position where the tip end of the work can be clamped by the clamp arm 54. After the line is operated, it is used as a guide roll and by the shear mechanism 100 described later. When the work W is cut and the work is no longer supported, it also functions to prevent the work W from returning.

The bender press 30 includes upper and lower molds 32 that are engaged with each other.
34, the work W has a waveform (see reference numeral 4 in FIG. 9) by the rising and lowering operations of the upper die 32 at a constant timing and the intermittent advancement of the work W (intermittent conveyance of the work by the clamp feed 50). It is supposed to be molded.
In front of the bender press 30, a piercing shear press 40, in which a piercing mechanism 100 and a shear mechanism 200, which will be described later in detail, are assembled and integrated, is arranged. The piercing mechanism 100 performs piercing at an appropriate position in the work width direction, and the shearing mechanism 200 cuts the pierced work at a predetermined position.

A clamp feed 50 is provided in front of the pierce sharp press 40. A rail 52 extends in the front-rear direction of the work transfer path, and a clamp arm 54 capable of traveling along the rail 52 clamps the tip end of the work W, and the work W is operated at a predetermined timing with respect to the operation of the bender press 30 and the pierce shear press 40. Is intermittently advanced, and the panel W ₁ cut and separated by the shear mechanism 200 is conveyed forward. Clamp feed 50
The panel W ₁ conveyed by is adsorbed by the adsorption board 64 provided on the elevating slide frame 62 of the unloader 60, lifted and conveyed to the side of the line. Reference numeral 66 is a rail that extends horizontally in a direction orthogonal to the work transfer path, and an elevating slide frame 62 that adsorbs the panel W ₁ runs on the rail 66 and slides the panel W ₁ out of the line. To do.

Next, the piercing shoe press 40 will be described in detail.

Reference numeral 42 is a pedestal of the pierce Sharpless 40.
Four columns 43 are hung vertically on the upper fixing plate 44.
It is connected and integrated with. An upper ram 45 that is vertically slidable along the column is assembled to the column 43, and the upper fixing plate 44 and the upper ram 45 are connected by a toggle mechanism 46. Reference numerals 46a and 46b are toggle links, reference numeral 46c is a horizontal link, and reference numeral 46d is a cylinder for operating a toggle mechanism (pierce sharp press operating cylinder), and the upper ram 45 can be moved up and down by the operation of this cylinder 46d. A push plate 110 of the piercing mechanism 100 (see FIG. 4) and a push plate 210 of the shear mechanism 200 (see FIG. 5) are assembled and integrated with the upper ram 45.

The piercing mechanism 100, as shown in FIG.
It comprises a lower die 120 fixed to the gantry 42, and an upper punch 130 formed on the lower die 120 with a work transfer path therebetween.

The lower die 120 is composed of a die frame 122 mounted and fixed on the gantry 42 and a die body 124 fixed on the die frame 122. Die body 12
As shown in FIG. 7 (b), the reference numeral 4 is an elongated rectangular shape in the width direction of the work transfer path (direction crossing the work transfer path), and the engaging hole 12 is engageable with the punch body 134 described later.
6 are provided at a predetermined pitch in the longitudinal direction of the die body 124 (direction crossing the work transfer path).

The upper punch 130 has the lower die 120 at both ends in the longitudinal direction.
Fixed to the punch holder 132 extending in the width direction of the work transfer path (direction crossing the work transfer path), and vertically slidable at a constant pitch in the longitudinal direction of the punch holder 132 (direction crossing the work transfer path). The punch main body 134 is provided in a predetermined number. Punch body 134
Each of them is made to project above a punch guide 135 provided on the upper end surface of the punch holder by a compression coil spring 136, and a pushing plate 110 fixed to the upper ram 45 is provided above the punch holder 132. Has been. Then, the punch main body 134 is pushed downward by the lowering of the pushing plate 110, and the tip end portion of the punch main body projects downward of the punch holder 132, whereby a hole is formed in the work W on the work transport path. There is. Since the work W is intermittently conveyed by the clamp feed 50, the lower die 12 of the piercing mechanism 100 is
0 and the upper punch 130, the work W intermittently advances in the work conveyance path formed and the piercing mechanism 1
00 operates to form rivet holes in the work W one by one in the width direction.

In addition, the lower surface of the pushing plate 110 has the punch main body 1
A top 140, which is a slider corresponding to 34, is slidably mounted in the front-rear direction of the work transfer path (left-right direction in FIG. 4). Reference numeral 122 is a slide guide for the top, and reference numeral 124 is a cylinder for sliding the top 140 back and forth.
40 is a punch body 1 by the operation of the cylinder 125.
It is possible to select a position that engages with 34 and a position that does not engage with 34. The position indicated by the phantom line in FIG. 4 (a) is the position that engages with the punch main body 134, while the position indicated by the solid line is the position that does not engage with the punch main body 134. When the top 140 is in the position where it engages with the punch main body 134, as shown in FIG.
When 0 is lowered, the push plate 110 is pushed through the top 140.
Of the die main body 134, and the punch main body 134 penetrates the work transfer path to penetrate the die main body 12.
4 is engaged with the engaging hole 126, and thereby a rivet hole is formed in the work W. On the other hand, frame 1
When 40 is in a position where it does not engage with the punch main body 134, even if the pushing plate 110 descends, the pushing plate 11
Since 0 and the punch main body 134 are not engaged with each other, the pushing force is not transmitted to the punch main body 134 and the punch main body 134 does not operate. In this manner, the cylinders 125 are appropriately operated so that the top 140 moves the punch body 13
The punch main body 134 corresponding to the position where the rivet hole is desired to be opened is adjusted by adjusting the position to be engaged with the position not to be engaged with the rivet hole and the rivet hole is opened. That is, the top 140 provided on the lower surface of the pushing plate 110
And the cylinder 125 that slides the top 140 constitutes a piercing position adjusting mechanism that selects the punch main body 134 that performs the pushing operation and adjusts the rivet hole forming position.

Details of the shear mechanism 200 are shown in FIGS. 5 (a) and 5 (b).
6 and the lower blade portion 2 arranged in front of the lower die 120 of the piercing mechanism 100 in the work transfer direction.
20 and the lower blade part 220 are vertically slidably assembled,
An upper blade portion 230 arranged above the lower blade portion 220 with a work conveyance path interposed therebetween, and a pressing plate 210 located above the upper blade portion 230 and exerting a work pressing force on the upper blade portion 230.
Consists of.

The lower blade part 220 includes a slider 222 mounted so as to be slidable on the gantry 42 in the front-back direction of the work transfer path, and a lower blade holder 224 fixed to the slider 222.
And the lower cutting blade body 2 fixedly attached to the lower blade holder 224
26 and.

On the other hand, as shown in FIG. 6, the upper blade portion 230 is vertically slidably assembled to the slider 222 of the lower blade portion 220 and is supported by the compression coil spring 228 in an upwardly biased state. . Reference numeral 232 is an upper plate facing the slider 222.
The upper blade holder 234 is fixed to the upper blade holder 23.
4, an upper cutting blade body 236 that engages with a lower cutting blade body 226 of the lower blade portion 220 is attached to both cutting blade bodies 226, 2
36 engages in the vertical direction to cut the work W. FIG. 5B shows a state in which the work W is cut. The upper plate 232 has an upper cutting blade body 23.
A work clamp 237 is provided adjacent to No. 6. The work retainer 237 has an uneven surface 237 that matches the waveform of the work W.
a, and is spring-biased downward, and the upper cutting blade body 2
Workpiece holder 237 before 36 engages with lower cutting blade body 226
The work W is fixed to the lower blade holder 224 by pressing it. Reference numerals 242 and 244 in FIG. 6 denote sliding guide rods provided on the slider 222 and the upper plate 232, respectively. Reference numeral 246 is the upper blade portion 230.
It is a stopper that sets the uppermost position of the.

Further, upper projecting rods 233 are formed on the upper plate 232 at predetermined intervals in the longitudinal direction, and lower projecting rods 213 corresponding to the projecting rods 233 are also formed below the pressing plate 210 fixed to the upper ram 45. There is. The slider 222 is connected to the cylinder rod 252 of the air cylinder 250, and
By the operation of 50, the slider 222 can slide in the front-rear direction of the work transfer path (left-right direction in FIG. 5), whereby the position where the upper protruding rod 233 engages with the pressing member side protruding rod 213 and the position where it does not engage are selected. Can be positioned. Then, at the position where the protruding rods 233 and 213 are engaged in the vertical direction, when the upper ram 45 and the pressing plate 210 are integrally lowered as shown in FIG. 5B, the upper blades are inserted via the protruding rods 213 and 233. The part 230 also descends integrally. As a result, the upper cutting blade body 236 meshes with the lower cutting blade body 226 and the work W is cut.

Further, when the cylinder 250 slides the slider 222 in the reverse direction of workpiece conveyance (rightward in FIG. 5A), the upper and lower projecting rods 233 and 213 are disengaged and the upper blade is lowered even if the pressing member 210 is lowered. The part 230 does not descend, and therefore the shear mechanism 200 does not operate. During the forming by the bender press 30 and the piercing process by the piercing mechanism 100, the shear mechanism 200 is held in a non-operating state (the position shown by the phantom line in FIG. 5 (a)). The cylinder 250 operates at a predetermined time when the mechanism 100 does not operate and the lower blade 2
20 and the upper blade portion 230 are integrally slid to the position indicated by the solid line in FIG. 5 (a), and the shear mechanism 200 is operated to cut the work W. When the cutting of the work W at the predetermined position is completed, the cylinder 250 is operated again to move the lower blade part 220 and the upper blade part 230 in the direction opposite to the work transfer direction as shown by the phantom line in FIG. Slide it to the state where the cut tip of the workpiece projects forward from the lower cutting blade body 226,
The clamp arm 54 of the clamp feed 50 can clamp the work tip.

FIGS. 8 (a) to 8 (e) are diagrams showing the respective operation timings of the bender press, the clamp feed, the piercing mechanism, the shear mechanism, and the unloader. See FIGS. 8 (a) to 8 (e). Then, the operation timing of each device constituting the corrugated panel manufacturing line of this embodiment will be described.

The bender press 30 has the symbol A ₁ → A ₂ →
As shown by A ₃ → ..., the upper die 32 repeatedly moves up and down with respect to the lower die 34 at a constant speed to sequentially form a waveform on the workpiece W which advances intermittently.
0 is provided with a position sensor (not shown), and the position sensor of the upper die 32 is the position of the clamp feed 50 at the position indicated by reference numeral A ₁₀ (the position where the upper die 32 tries to return to the top dead center). The operation signal S ₁ is output to the drive motor 56 which is the drive source. The clamp arm 54 of the clamp feed clamps the tip of the work W, and in response to the signal S ₁ , the clamp arm 54 conveys the work W by a predetermined amount as shown by reference numeral B ₁ → C ₁ in FIG. 8 (b). To do. The traveling amount of the clamp feed 50 is managed by a rotary encoder provided in the drive motor 56. Then, when the clamp arm 54 advances by a predetermined amount (the work W is conveyed by a predetermined amount), the cylinder 46d which is the drive source of the piercing mechanism 100.
The operation signal S ₂ is output to. This makes the piercing mechanism 1
00 operates as shown by reference numeral D ₁ → E ₁ in FIG. 8 (c), and the work W is pierced in a line. Also in the cylinder 46d as a drive source for piercing mechanism 100 and the limit switch is provided, the signal S ₃ This limit switch detects the end of the operation of the piercing mechanism 100 (the operation of one stroke of the upper ram 45) Output to the drive control unit of the vendor press 30. This drive control unit determines whether or not one piercing process is completed within one stroke range of the bender press 30, that is, whether or not there is a deviation in the operation timing of each device, and the piercing process is performed within the regular time. If is completed, this series of operations (upper mold 3 of bender press
2 lift, clamp arm 54 that clamps workpiece W
And the operation of the piercing mechanism 100) are continued. on the other hand,
If the piercing process is not completed within one stroke, the timing of the operation of each device is incorrect, or some trouble has occurred, and the operation of the bender press 30 and other devices is stopped.

In this manner, the bender press 30 forms the corrugations on the workpiece W one by one, and the piercing mechanism 100 pierces the corrugations one by one, which is repeated.
In the piercing mechanism 100, the relationship between the position from the work tip and the piercing body 134 that is selectively operated at this time is input and set in the control unit of the piercing mechanism 100 in advance, and the piercing is performed at an appropriate position based on the input data. Processing is applied.
When the corrugated and pierced region has a predetermined length (this point is indicated by symbol Cn), the rotary encoder in the clamp feed 50 detects this, and the upper die 32 of the bender press 30 is top dead. The signal S ₄ held at the point position An ₁ is output. At the same time, the shear mechanism 200
A signal S ₅ for activating the above is output to the cylinder 250 that supports the lower blade portion 220 of the shear mechanism 200. This signal S
Upon receipt of ₅ , the cylinder 250 operates and the shear mechanism 200
The lower blade portion 220 is slid to bring the pressing member 210 and the upper blade portion 230 into a vertically engaged state as shown by the solid line in FIG. At the same time, the cylinder 46d of the pierce sharp press operates to lower the upper ram 45,
Is lowered as indicated by reference numeral F ₁ → G ₁ in FIG. 8 (d), the work W is pushed off by the upper cutting blade main body 236, and separated as a panel W ₁ . The signal indicated at S ₆ is outputted to the drive motor 56 is a clamp feed driving source to convey the panel W ₁ clamp arm 54 until a predetermined position capable of taking out of the panel W _1. This is indicated by reference sign Bn ₁ → Cn ₁ in FIG. Pulse W
_When the transport of ₁ is completed, the signal indicated by reference numeral S ₇ is output to the unloader drive source. This makes the unloader 60
There actuated, as indicated at H ₁ → I _1, with lifting adsorb panel W ₁ is lowered, unloading the panel W ₁ to the line side. When the unloader 60 lifts the panel W ₁ , the drive motor 56 of the clamp feed 50
The signal indicated by the symbol S ₈ is output. When the clamp feed 50 receives the signal S ₈ , it returns to the original position and unclamps a new work tip portion again (see FIG. 5 (a)). When the operation of the shear mechanism 200 indicated by the symbol F ₁ → G ₁ ends, the cylinder 250 operates and the shear mechanism 2
The lower blade part 220 and the upper blade part 230 of 00 return to the original position (the phantom line position in FIG. 5 (a)), and the new work tip projects forward of the lower cutting blade body 226 (front of the work transfer direction). In this state, the workpiece W can be clamped by the clamp arm 54 of the clamp feed. Further, the pressing member 210 and the upper blade portion 230 return to the state where they are not vertically engaged with each other, and the upper blade portion 230 of the shear mechanism 200 does not descend, that is, the shear mechanism 200 does not operate. Then, the series of operations described so far is repeated to successively manufacture the corrugated panels W ₁ having a predetermined size.

As described above, in the line of the present embodiment, the timing of intermittent conveyance of the work W by the clamp feed 50 and the operation timing of the piercing mechanism 100 of the piercing shear press 40 are controlled in accordance with the operation timing of the bender press 30, and the clamp is performed. The shear mechanism 2 of the pierce shear press 40 according to the amount of the work W conveyed by the feed 50.
The operation timing of 00 and the operation timing of the unloader 60 are controlled.
Automation of the piercing process → cutting process → unloading process has been achieved.

The work W supplied to the bender press 30 is guided into the pit 25 by the coil material straightening and feeding mechanism including the uncoiler 10 and the leveler 20.
Bender press 30 through the loop region formed within
The coil material straightening and feeding process, the press forming process, the piercing process, the piercing process, the cutting process, and the carrying out process are automated as a line for connecting and manufacturing corrugated panels from the coil material.

It should be noted that, in the above-described embodiment, the manufacturing of the corrugated panel made of an aluminum plate has been described as an example, but the invention is not limited to the panel made of aluminum and can be widely applied to the manufacturing of other metal corrugated panels.

〔The invention's effect〕

As is clear from the above description, according to the continuous corrugated panel manufacturing apparatus of the present invention, the coil material straightening feed mechanism, the bender press, the pierce shear press, the clamp feed and the unloader automatically transfer the coil material to the corrugated panel. Since it is configured as a line that continuously processes and manufactures, it is possible to efficiently obtain the desired number of pierced panels from the coil material, which is more efficient than the conventional corrugated panel manufacturing device from standard length plate materials. The efficiency and material yield can be dramatically improved.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a corrugated panel manufacturing line, FIGS. 2 and 3 are front and side views of a piercing sharp press incorporated in this line, and FIGS. 4 (a) and 4 (b) are piercings. Sectional views for explaining the movement of the mechanism, FIGS. 5 (a) and 5 (b)
Is a cross-sectional view for explaining the movement of the shear mechanism, FIG. 6 is a cross-sectional view of the vertical sliding portion of the shear mechanism, and FIGS. 7 (a) and 7 (b).
Is a plan view of the upper and lower molds of the pierce sharp press, FIGS. 8 (a) to 8 (e) are diagrams showing the operation timing of each device in the panel manufacturing line of this embodiment, and FIG. 9 is a waveform panel. It is a perspective view. W ...... workpiece, W _1, 1 ...... corrugated panel, uncoiler constituting a part of a 10 ...... coil material straightening feed mechanism, leveler constituting a part of a 20 ...... coil material straightening feed mechanism, 30 ...... bending Press, 40 ... Pierce shear press, 45 ... Upper ram, 50 ... Clamp feed, 54 ... Clamp arm, 60 ... Unloader, 100 ... Pierce mechanism, 110 ... Punch body pushing member, 120 ... Lower die, 122 ... Die frame, 124 ... Die body, 125 ... Cylinder for sliding frame, 130 ... Upper punch, 132 ... Punch holder, 134 ... Punch body, 140 ... Slider A certain top, 200 ... Shear mechanism, 210 ... Upper blade portion pressing member, 220 ... Lower blade portion, 230 ... Upper blade portion, 250 ... Lower blade portion and Cutting portion slide cylinder.

Claims (1)

[Claims] 1. A coil material straightening and feeding mechanism that unwinds a coil material that is a work and straightens and conveys it along a work feeding path, and a bending press that shapes the work fed by the straightening and feeding mechanism into a corrugated shape. A piercing mechanism for selectively operating some of a plurality of punch main bodies arranged at a predetermined pitch in a direction traversing a work transfer path to open a hole in a predetermined position of a work formed by the bending press, and a piercing mechanism of the piercing mechanism. A pierce shear press having a shearing mechanism that is arranged adjacent to the front side and has a shearing mechanism that cuts the work that has been subjected to a piercing process at a predetermined position, and is positioned in front of the piercing shearing press, and clamps the work tip, Work at a predetermined timing that matches the operation timing of the bending press and piercing sharp press. Intermittently and clamp feed for transporting the continuous manufacturing apparatus for corrugated panel, characterized in that it and a unloader for unloading a is cut workpiece outside line by the shear mechanism.