JPH05177593A - Laminate cutting device - Google Patents

Abstract

PURPOSE:To provide a laminate cutting device capable of cutting effectively and accurately a laminate, which is placed on a retaining belt and is longer than the cutting range. CONSTITUTION:A holder plate 201 and a receiving member 213 are furnished on a traveling body 20 fitted with a cutter 26, and thereby a laminate 88 placed on a retaining belt 3 is pinched by them, and the traveling body 20 and retaining belt 3 are transferred similtaneously in the same direction to the specified position along with the laminate 88, and pinching of the laminate 88 with the holder plate 201 and receiving member 213 is disengaged, and the next cutting is started directly as it is at the position after transfer without changing the position relationship between the traveling body 20 and the laminate 88 after transfer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminate cutting device for automatically cutting a laminate in which cloths and the like are laminated.

[0002]

2. Description of the Related Art Conventionally, the inventor of the present invention has disclosed, as an automatic cutting apparatus for a laminate as described above, JP-A-1-30620.
A cutting device for a laminate shown in Japanese Patent No. 0 has been proposed. This cutting device supports a laminate holding belt that vertically reciprocates on an underframe by a belt supporting mechanism in which a large number of belt supporting plates are arranged side by side in the front-rear direction, and reciprocates vertically in the underframe. And a cutter head that reciprocally moves above the holding belt in the lateral direction. The concave member forming member forms a movable recess whose upper surface opens in a part of the holding belt in the vertical direction. A cutter receiving cylinder that reciprocates laterally in the movable concave portion in synchronization with the cutter head, and a knife-shaped cutter whose tip portion penetrates into the cutter receiving cylinder is mounted on the cutter head so as to be able to move up and down. An air intake duct having an air intake opening on opposite surfaces is mounted on both sides of the underframe.

In this cutting device, a breathable laminate such as cloth is supported on the holding belt by covering the faces other than the side faces with a non-breathable sheet, and the suction duct sucks air from the side faces of the laminate. Then, the laminate is compressed and held on the holding belt. In this state, the cutter is lowered, the tip of the cutter is inserted into the cutter receiving cylinder, the cutter head is reciprocally moved in the lateral direction, and the traveling body is reciprocally moved in the longitudinal direction, and the cutter is laminated in a desired shape. I'm cutting things.

Further, there is a laminate cutting device disclosed in JP-A-60-144252. This cutting device is equipped with an endless belt-shaped conveyor in which a number of bristle blocks are connected to an underframe, and a traveling body having a cutter and a transfer table for tightening a laminate from above are provided on the underframe. It is designed to move freely in the vertical direction with respect to the conveyor, clamp the laminate on the conveyor upper surface by the transfer table, transfer it to an arbitrary position, and then unclamp the laminate to return the transfer table to the position before the movement. By the cutter provided on the traveling body,
The laminate that has been sucked and held on the upper surface of the conveyor is cut.

[0005]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
Since the stack cutting device disclosed in Japanese Patent Publication No. 06200 does not have a mechanism for drawing the laminate onto the holding belt from the spreading table or the like, the stack fed from the spreading table or the like is placed on the upper surface of the holding belt and transferred. In this case, since the laminate has only a slight front end on the holding belt, the holding belt and the front end of the laminate may slip and the laminate may not be pulled in. It is inconvenient to push the laminate through.

[0006] In the middle of cutting the laminate, it is necessary to efficiently obtain a predetermined cut product from the laminate by sequentially feeding the laminate, which is longer than the cutting region on the holding belt, into the cutting region of the holding belt in plural times. However, there is a problem in that the operation of feeding the laminate to the required position of the holding belt is troublesome, and the fabric or the like forming the laminate is misaligned, and accurate cutting cannot be performed.

Further, the cutting device disclosed in Japanese Patent Laid-Open No. 60-144252 has a complicated structure because the traveling body having the cutter and the transfer base are separate members, and the transfer base is a laminate. However, there was a problem that it only worked for the transfer of. This invention solves the above-mentioned problems, and by a traveling body provided with a cutter head or the like having a cutter, it is possible to easily pull the laminate onto a holding belt and transfer the laminate during cutting, It is an object of the present invention to provide a laminate cutting device capable of continuously and accurately performing cutting from the position after the transfer.

[0008]

SUMMARY OF THE INVENTION According to the present invention, a laminate holding belt, which is vertically reciprocated by a belt driving electric motor, is supported on a underframe by a belt supporting mechanism, and the underframe is vertically moved by a traveling electric motor. Supporting a traveling body that reciprocates in a predetermined direction, the traveling body is provided with a cutter head that reciprocates laterally above the holding belt, and the cutter head cuts a laminate on the holding belt. In a laminate cutting device equipped with an air intake duct for compressing the laminate on the holding belt, a connecting beam for reciprocally moving the cutter head above both side members of the traveling body. A presser plate facing the upper surface of the holding belt is attached to the connecting beam so that the presser plate can be moved up and down by an operating mechanism. It is the concatenation of the receiving member in contact with the lower surface of Muko holding belt.

[0009]

The apparatus for cutting a laminate according to the present invention places a laminate such as a cloth on a laminate holding belt which moves in the longitudinal direction, and when the laminate is transferred to a desired position on the holding belt, The front end of the laminate delivered from a spreading table or the like placed close to the frame is placed on the rear end of the holding belt. After that, the actuating mechanism is operated to vertically lower the holding plate, and the stacked body is held by the holding plate and the receiving member.

Next, the driving electric motor and the traveling electric motor are simultaneously driven, the holding belt and the traveling body are forwarded at a constant speed in the forward direction, and the laminate is drawn into the cutting area on the holding belt to draw both electric motors. By stopping the pressing and raising and returning the pressing plate by the operating mechanism, it is possible to easily draw the laminate into the cutting region and start cutting by the cutter. Further, in the case of obtaining a cut product by cutting a laminate extending rearward beyond the cutting region such as a laminate longer than the cutting region on the holding belt, in the middle of the cutting, the cutting region is divided into a plurality of times as described above. Perform the pulling operation of the laminate.

That is, after the cutting of the cutting region of the laminate is completed, the laminate and the holding belt are held by the pressing plate and the receiving member as they are, and the holding belt and the traveling body are moved to the front to form the laminate. The uncut portion of the product is transferred to the cutting region, the cut product is carried out, and the sandwiching of the laminate and the holding belt by the pressing plate and the receiving member is released. In this state, the positional relationship between the stacked body and the traveling body after the transfer does not change from that before the transfer, the next cutting operation can be immediately continued from the position after the transfer, and the position between the traveling body and the stacked body can be changed after the transfer. There is no need to index and modify.

Therefore, the running body does not make unnecessary movements,
Since the cutting operation can be continued immediately from the transfer position and the traveling body can be stopped for a short period of time, efficient cutting work can be performed, and since the fabrics and the like that make up the laminate do not shift after transfer, accurate cutting is possible. it can. Further, the cutting device according to the present invention has a simple structure because the pressing member, the operating mechanism for moving the pressing plate up and down, and the receiving member are incorporated in the traveling body.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the drawings. 1, FIG. 2, FIG. 3 and FIG.
Reference numeral 1 is a rectangular underframe having a length in the vertical (X) direction longer than a length in the horizontal (Y) direction. Front and rear belt guides 2 extending horizontally are fixed horizontally at both front and rear ends of the underframe 1, and flexible laminate holding belts 3 are supported by the front and rear belt guides 2. ing.

The holding belt 3 hangs downward from the semi-circular outer ends of the front and rear belt guides 2 and is rotatably wound under the front and rear ends of the underframe 1, respectively. The end portion is connected to the taking roller 4. In front of the underframe 1,
A belt driving electric motor 5 is provided at the rear end portion, and the holding belt 3 is wound around one or the other of the winding rollers 4 via the endless chain or the endless belt by these electric motors 5. The holding belt 3 is made of flexible synthetic resin, rubber, or the like, and has a large number of ventilation holes 3a penetrating in the thickness direction formed in parallel in the vertical direction and the horizontal direction at predetermined intervals.

Below the holding belt 3, a belt supporting mechanism 7 for supporting a portion other than a movable concave portion 6 formed on the belt 3 which will be described later is arranged. The belt supporting mechanism 7 has a flexible connecting belt 8 whose front and rear ends are fixed to the front frame 1 and the rear belt guide 2, respectively.
Is provided below the holding belt 3 and has substantially the same width as the holding belt 3 and is provided with a required amount of slack.

Below the connecting belt 8, a large number of rectangular belt supporting plates 9 which are long in the horizontal direction are arranged at substantially equal intervals in the vertical direction. The belt supporting plates 9 are vertically moved by the flexible connecting belt 8. A pair of rollers 11 are rotatably supported by bearing fittings 10 that are connected to the belt support plate 9 so as to be bendable in any direction and project below the belt support plate 9. A pair of guide rails 12 that also function as vertical beams are horizontally installed along the vertical direction at an intermediate portion in the vertical direction of the underframe 1, and the belt support plate 9
The carrier plate 13 and the cam plate 14 are provided between the guide rail 12 and the guide rail 12.
And are arranged.

The carrying plate 13 is made of a rectangular metal plate having a longitudinal direction longer than the height direction, and a plurality of carrying plates are arranged on both sides of the cam plate 14 in the longitudinal direction.
A substantially inverted trapezoidal cam groove 15 is formed. Further, the supporting plate 13 is provided with a vertically long hole 16 and a connecting pin 17,
The connecting pins 17 are also provided at both ends of the cam plate 14. The connecting pin 17 of the cam plate 14 is slidably engaged with the vertically elongated hole 16 of the carrier plate 13 adjacent to the cam plate 14, and the connecting pin 17 of the carrier plate 13 is also vertically elongated hole 16 of the adjacent carrier plate 13.
The carrying plates 13 at the front and rear ends are fixed to the front and rear ends of the underframe 1 by stoppers 18, respectively.

A pair of front and rear rollers 19 are pivotally attached to the lower ends of the carrying plate 13 and the cam plate 14, respectively, and these rollers 19 are movably supported on the guide rail 12. The roller 11 of the belt support plate 9 is supported on the upper surfaces of the carrier plate 13 and the cam plate 14, and the belt support plate 9 and the connecting belt 8 are mounted on the upper surface of the carrier plate 13 and the cam plate 14 except the cam groove 15. Through the holding belt 3
The portion other than the movable concave portion 6 is supported.

As shown in FIGS. 1, 2, 3, and 4, the underframe 1 is provided with a traveling body 20 that reciprocates in the vertical direction. In the traveling body 20, both side members 21 and 22 are engaged and supported by a pair of guide rails 12 fixed to the underframe 1, and lower ends of these members are fixed to the cam plate 14. In addition, a connecting beam 23 is laterally installed on the upper ends of the side members 21 and 22, and a cutter head 25 that reciprocates in the lateral direction is supported by a head rail 24 provided side by side on the connecting beam 23.

A knife-shaped cutter 26 is held on the cutter head 25 so as to be vertically movable and rotatable about a vertical axis. The cutter 26 extends vertically below the cutter head 25, and below the cutter 26 is the cutter 26. A cutter receiving cylinder 27 having a support hole 27a through which the tip portion is inserted so that it can be inserted and removed is provided. The cutter 26 is a crank mechanism or a drive mechanism provided in the cutter head 25 (both not shown).
It is designed to be lifted and lowered by a cutter lifting mechanism having the above.

The cutter receiving cylinder 27 arranged below the cutter 26 is rotatable around a vertical axis and is a receiving cylinder holding member 2.
A large number of blocking plates 29 are laterally connected to both sides of the receiving cylinder holding member 28. At the lower ends of the side members 21, 22 of the traveling body 20, a lower receiving member 30 having a substantially U-shaped cross section is installed between the side members 21, 22 of the traveling body 20. On the upper part of the lower receiving member 30, a receiving tube holding member 28 and a closing plate 29 are engaged and supported so as to be capable of reciprocating laterally.

As shown in FIG. 2, a recess forming member 31 is disposed between the lower portions of the side members 21 and 22 of the traveling body 20. The recess forming member 31 is disposed below the holding belt 3 so that two recess forming rollers 32 and 33 are provided above and below the receiving belt 30.
Both ends of 33 are rotatably supported by the side members 21 and 22. The holding belt 3 is supported from above by the two recess forming rollers 32 located above, and the holding belt 3 is supported from below by the two recess forming rollers 33 arranged below, so that the holding belt 3 has an upper surface. A movable concave portion 6 which is opened and whose longitudinal dimension becomes longer toward the bottom surface is formed over the entire width in the lateral direction. The movable recess 6 is arranged above the cam groove 15 of the cam plate 14 so as to face it.

In this embodiment, the first and second intake mechanisms 34, 3 for intake from below the intake holes 3a provided in the holding belt 3.
It is equipped with 5. In the first intake mechanism 34, horizontally long intake passages 36 are formed in the respective belt support plates 9 whose both ends are slightly projected from both side edges of the holding belt 3, and the intake passage 36 is formed.
The intake port 37 is opened on the upper surface of the belt support plate 9. A central portion of the intake passage 36 is connected to an intake pipe 40 via a flexible bellows-shaped flexible hose 38 and an electromagnetic on-off valve 39, respectively, and the intake pipe 40 is disposed below the holding belt 3 and extends in the front-rear direction. It extends horizontally and the front and rear ends are closed.

The intake port 37 is formed in such a position and size as to communicate with all of the intake holes 3a arranged in the lateral direction of the holding belt 3, and the electromagnetic opening / closing valve 39 is formed by an appropriate electric means (not shown). While the belt support plate 9 is in the cam groove portion 15 of the cam plate 14, the belt support plate 9 is automatically closed.
In the second intake mechanism 35, the intake box 42 is arranged at a position close to the front end of the movable concave portion 6 of the holding belt 3 and does not interfere with the belt support plate 9 in the cam groove 15, and both ends of the intake box 42 of the traveling body 20 are arranged. It is fixed to the lower ends of the side members 21 and 22, respectively. An air intake chamber 43 is formed in the air intake box 42, an air intake port 44 of the air intake chamber 43 is opened on the upper surface of the air intake box 42, and the air intake port 44 communicates with all of the air intake holes 3 a arranged in the lateral direction of the holding belt 3. The intake chamber 43 has one end and an end connected to the intake pipe 45.

The intermediate portion of the intake pipe 40 of the first intake mechanism 34 is connected to an intake source 41 such as a vacuum pump, and the intake pipe 45 of the second intake mechanism 35 includes a flexible hose and an on-off valve ( (Both not shown) are connected to the intake source 41. The intake sources of the first and second intake mechanisms 34 and 35 may be separate from each other. further,
An auxiliary support roller 46 that supports the holding belt 3 is arranged at the intake port 44 of the intake chamber 43, and the auxiliary support roller 46 is pivotally supported by both side members 21 and 22 of the traveling body 20.

A holding plate 201 facing the upper surface of the holding belt 3 is attached to the rear portion of the connecting beam 23, which is erected on the upper ends of the side members 21 and 22 of the traveling body 20, so as to be vertically movable by an operating mechanism 202. .. As shown in FIGS. 5 and 6, in the operating mechanism 202, a mounting member 204 having an inverted groove in cross section is fixed to the lower surface of the connecting beam 23 by a suspending member 203. The cylinder mechanism 205 is provided.

The cylinder 206 of the cylinder mechanism 205 is fixed to the mounting member 204 by the bracket 214,
A connecting pin 208 is connected to a tip end portion of a piston 207 of the cylinder mechanism 205, a base end portion of a link 209 is rotatably connected to both end portions of the connecting pin 208, and a slider 210 rotates. It is movably connected. The slider 210 is fixed to the mounting member 204 and engaged with a laterally extending engaging member 211 so as to reciprocate only in the lateral direction,
The tip of the link 209 is pivotally attached to a protrusion 212 protruding from the upper surface of the pressing plate 201 by a connecting pin 215.

The cylinder mechanism 205 and the link 209 are arranged symmetrically in the lateral direction of the central portion of the connecting beam 23, and the holding plate 201 is formed in a horizontally long rectangular plate shape substantially equal to the width dimension of the laminate 88. .. Both side members 21 of the traveling body 20,
A receiving member 213 facing the pressing plate 201 is provided at a lower portion of 22.
Has been erected. The receiving member 213 has a T-shaped cross section, and is disposed in the cam groove 15 of the cam plate 14,
Further, the upper surface is in contact with the lower surface of the holding belt 3 and supports the lower surface.

When the piston 207 of each cylinder mechanism 205 is advanced, the holding plate 201 is in the raised position, and when the piston 207 retracts into the cylinder 206, the slider 210 moves horizontally and the link 209 moves. The holding plate 201 is lowered by pivoting in the vertical direction. Further, when the holding plate 201 is in the lowered state, the piston 207 is moved to the cylinder 206.
From this, by advancing, the link 209 rotates in the horizontal direction, and the holding plate 201 returns to ascend. It should be noted that in the above-described raising / lowering operation, the holding plate 201 is vertically moved while keeping the horizontal state.

Further, as shown in FIG. 1, an extension base 216 is disposed behind the underframe 1, and the top plate 2 of the extension base 216 is disposed.
The upper surface 17 is horizontally adjacent to the rear edge of the upper surface of the holding belt 3. As shown in FIG. 7, the drive system 47 of this embodiment is
A Y-axis (horizontal direction) moving electric motor 48 is fixed to one side member 22 (see FIG. 1) of the traveling body 20, and a connecting shaft 49 is rotated by bearings (not shown) provided on both side members of the traveling body. A toothed pulley 50 of the Y-axis moving electric motor 48, which is rotatably supported.
The timing belt 5 is attached to the toothed pulley 51 of the connecting shaft 49.
2 are meshed with each other, and upper and lower toothed pulleys 53 and 54 are fixed to two portions of the connecting shaft 49. The upper timing belt 55 is meshed with the toothed pulley 53 for the upper part, and the upper timing belt 55 is bent in the horizontal direction from the vertical direction by the intermediate pulleys 56, 56 and guided horizontally in the Y-axis direction. It is supported and stretched by an upholstery pulley 57 which is rotatably mounted on the side member side of, and both ends thereof are connected to the cutter head 25. A lower timing belt 58 is meshed with the toothed pulley 54 for the lower part, and the lower timing belt 58 is supported and stretched by a lower pulley 59 rotatably mounted on the other side member side, and both ends thereof are received. It is connected to the tube holding member 28. With the above-described configuration, by the forward / reverse drive of the Y-axis moving electric motor 48,
The cutter head 25, the receiving cylinder holding member 28, and the cutter receiving cylinder 27 are configured to reciprocate synchronously in the lateral (Y-axis) direction by one electric motor.

Further, the cutter electric motor 6 is provided at an appropriate position on the traveling body.
0 is fixed, and the toothed pulley 61 of the cutter electric motor 60 is fixed.
And a timing belt 66 meshes with toothed pulleys 64 and 65 that are rotatably supported by a side member of the traveling body and extend in the longitudinal direction, and are also fixed to one end portions of the lower spline shafts 62 and 63, respectively. The timing belt 66 is pressed and stretched by an intermediate pulley 67. The upper and lower spline shafts 62 and 63 are rotatably supported by bearings (not shown) provided on side members of the traveling body.

The cutter head 2 is attached to the upper spline shaft 62.
5, the spline nut 68 rotatably supported in a proper position and restrained in the vertical movement is engaged so as to be movable in the axial (longitudinal) direction, and the drive-side bevel gear 69 is fixed to the spline nut 68 to drive the spline nut 68. A driven bevel gear 70 on the vertical axis, which is axially supported by the cutter head 25, is meshed with the bevel gear 69. A timing belt 74 is meshed with a toothed pulley 71 provided integrally with the driven bevel gear 70 and a toothed pulley 73 provided on the cutter guide 72. The cutter guide 72
Is rotatably supported by the cutter head 25, and the cutter 2
This is for rotating 6 around the vertical axis.

A spline nut (not shown) rotatably supported by the receiving cylinder holding member 28 and restrained in the vertical movement is engaged with the lower spline shaft 63 so as to be movable in the axial direction. A driving-side bevel gear 75 is fixed to the nut, and a driven-side bevel gear 76 on the vertical axis that is meshed with the driving-side bevel gear 75 is coaxial with a cutter receiving cylinder 27 that is rotatably supported by a receiving cylinder holding member 28. It is fixed to.

By the forward / reverse drive of the cutter motor 60, the cutter 26 and the cutter receiving cylinder 27 are reciprocally rotated about the vertical axis through the upper and lower spline shafts 62 and 63, and the cutting direction is changed. Is configured to carry out steering. Further, an X-axis (longitudinal direction) traveling electric motor 77 is fixed to a proper position of the traveling body, and a connecting shaft 78 is rotatably mounted on bearings (not shown) provided on both side members of the traveling body, so that the X-axis A timing belt 81 is meshed with a toothed pulley 79 of the traveling electric motor 77 and a toothed pulley 80 fixed to one end of the connecting shaft 78, and toothed pulleys 82 having the same number of teeth are provided at both ends of the connecting shaft 78, respectively. It is fixed. The timing belt 85 includes a toothed pulley 82 and a toothed pulley 84 which is disposed below them and integrally provided with a pinion 83.
Are meshed. The pinions 83 are meshed with rack bars 86 (see also FIG. 1) fixed to the lower portions of the guide rails of the underframe in parallel with the guide rails in the longitudinal direction. With the above-described configuration, the traveling body is configured to reciprocate on the traveling body rail in the vertical (X-axis) direction by the forward / reverse driving of the X-axis traveling electric motor 77.

Each of the three electric motors 48, 60, 77 uses a servomotor which can be numerically controlled. Based on the data preprogrammed in the control panel 87 shown in FIG. Cutter, X-axis traveling electric motor 48, 6
0 and 77 are controlled respectively, the cutter head 25 is moved, the cutter 26 is steered, and the traveling body 20 is caused to travel,
It is designed to cut.

Next, the cutting operation of the laminate by the cutting device of the first embodiment will be described. First, Enbandai 216
The front end portion of the laminate 88 sent out from the top plate 217 of the above is placed on the holding belt 3, and in this state, the cylinder mechanism 205 of the operating mechanism 202 is operated to vertically lower the holding plate 201 and The laminate 88 is held by the receiving member 213.

Next, the belt driving electric motor 5 and the X-axis traveling electric motor 77 are simultaneously driven to feed the holding belt 3 and the traveling body 20 forward at a constant speed, and stack them in the cutting area on the holding belt 3. Pulling in an object to stop the electric motors 5, 77,
Then, the cylinder mechanism 202 of the operating mechanism 202 is operated to raise and return the holding plate 201. In this state, the portion of the laminated material 88 on the holding belt 3 and the upper surface of the holding belt 3, which is exposed to the atmosphere, that is, almost the entire cutting area is covered with the flexible non-permeable sheet 89. In this state, the intake source 4
1, the electromagnetic on-off valves 39 of the belt support plate 9 supported by the cam grooves 15 of the cam plate 14 are closed, the other electromagnetic on-off valves 39 are opened, and the intake pipe 40 of the first intake mechanism 34 is opened.
And the intake passage 36 of the belt support plate 9 between the flexible hose 38
Through the air intake holes 37 of the holding belt 3 from the air intake port 37 of the belt support plate 9 other than the cam groove 15 portion.
Inhale through a. At the same time, the intake source 41 is connected to the intake chamber 43 of the second intake mechanism 35, so that the intake air is sucked from the intake port 44 of the intake chamber 43 through the intake hole 3a of the holding belt 3. By the intake air from the intake ports 37 and 44, the laminate 88
And a non-breathable sheet 89 on the holding belt 3,
The entire laminate 88 is uniformly compressed on the upper surface of the holding belt 3.

While maintaining the above-described state, the X-axis traveling electric motor 77 is driven, the traveling body 20 is longitudinally traveled, and the Y-axis moving electric motor 48 is driven to be supported by the connecting beam 23 of the traveling body 20. The cutter head 25 is moved laterally to the cutting start position on the laminate 88. At the same time, as the traveling body 20 travels vertically, the recessed portion forming member 31 moves vertically, so that the movable recessed portion 6 also moves vertically. Along with the movement of the movable concave portion 6, the cam plate 14 also moves in the vertical direction, and the belt support plate 9 supported by the roller 11 on the upper surface of the cam groove 15 is changed. The electromagnetic opening / closing valve 39 of the plate 9 is closed,
The electromagnetic opening / closing valve 39 of the belt support plate 9 that has risen out of the cam groove portion 15 opens. Therefore, the electromagnetic opening / closing valve 39 of the belt supporting plate 9 is opened / closed as the movable concave portion 6 is moved.

Further, when the lower receiving member 30 moves in the same direction as the traveling body 20, the cutter receiving cylinder 27 also moves in the same direction. Further, in synchronization with the lateral movement of the cutter head 25, the cutter receiving cylinder 27 moves laterally together with the closing plate 29 provided on the lower receiving member 30 and the receiving cylinder holding member 28. As a result, the knife-shaped cutter 26 mounted on the cutter head 25 and the cutter receiving cylinder 27 are at the cutting start position where they are vertically opposed to each other.

At the cutting start position, the traveling body 20, the cutter head 25, the lower receiving member 30, the receiving cylinder holding member 28, etc. are stopped, and the cutter 26 is driven by a cutter lifting mechanism (not shown) provided on the cutter head 25. Lower it. The cutter 26 penetrates the upper part of the laminate 88 of the non-air-permeable sheet 89 and the laminate 88, and the tip end thereof is inserted into the bearing hole 27 a of the cutter receiving cylinder 27 to be supported thereby.

In this state, in response to a command from the control panel 87, the X-axis traveling and Y-axis moving motors 77 and 48 are driven to synchronously move the cutter 26 and the cutter receiving cylinder 27 in the same direction, and at the same time, the cutter is moved. The electric motor 60 is driven to synchronously rotate the cutter 26 and the cutter receiving cylinder 27 in the same direction about the axis to steer the blade edge of the cutter 26 in the advancing direction of the cutter 26 and the data programmed in the control panel 89. The laminate 88 is automatically cut together with the non-breathable sheet 89 in a pattern based on.

After cutting the laminate 88, each electric motor 4
8, 60, 77 are stopped, the cutter 26 is raised and returned, and the above-described operation is repeated to normally cut a plurality of patterns on one laminate 88. After cutting all the patterns, the intake source is stopped, the belt driving electric motor 5 is driven to move the holding belt 3 in the vertical direction, and the laminate 88 is carried out of the holding belt 3.

In the cutting device of the first embodiment, the four recess forming rollers 3 of the recess forming member 31 provided in the lower portion of the running body 20 are used.
The holding belt 3 is supported by 2, 33.
A movable concave portion 6 that moves in the vertical direction is provided in a part of the
Since the lower receiving member 30 in which the cutter receiving cylinder 27 that moves in the lateral direction is supported via the receiving cylinder holding member 28 is provided in the lower part of 0, and the lower receiving member 30 is arranged in the movable concave portion 6,
It has a belt support mechanism 7 that supports the lower surface of the holding belt 3 including the movable concave portion 6 that moves as the traveling body 20 travels.

The belt support mechanism 7 connects a large number of belt support plates 9 in the vertical direction, and supports the front and rear belt guides 2 other than the movable recess 6 on the lower surface of the holding belt 3 by these support plates 9. The lower end of the belt support plate 9 is supported by the cam groove 15 of the cam plate 14 connected to the lower end of the traveling body 20 below the movable recess 6, and by the supporting plates 13 on both sides of the cam plate 14 in other cases. The support plate 13 is connected so that they overlap and expand and contract, and is supported on the horizontal guide rail 12 of the underframe 1 so that it can travel.

Accordingly, the traveling of the traveling body 20 causes the cam plate 15 and the recess forming member 31 to integrally move, the movement of the movable recess 6 and the cam groove 15 to integrally move in the vertical direction, and the belt support plate 9 cams. It is supported by the upper surface of the groove 15 and guided in the vicinity of the movable concave portion 6 in a timely manner to descend, without interfering with the movable concave portion 6, and when it is removed from the movable concave portion 6 and its vicinity, it surely rises to level the holding belt 3 horizontally. Hold on,
Intake leakage from between the upper surface of the belt 3 and the lower surface of the laminate 88 can be prevented.

Further, in the first embodiment, when a cut product which is longer in the vertical direction than the cutting region on the holding belt 3, that is, the region exposed to the opening of the upper surface of the underframe 1 of the holding belt 3, is obtained, the cutting is performed. In the middle of the process, the above-described transfer and cutting of the laminate are alternately performed in a plurality of times. That is, after cutting the upper part of the cut region of the laminate 88, the laminate 88 and the holding belt 3 are directly held by the holding plate 201 and the receiving member 213.
, The holding belt 3 and the traveling body 20 are moved forward, the uncut portion of the laminate 88 is transferred to the cutting area, and the cut product already cut is carried out from the front of the underframe 1. Then, the laminate 8 including the holding plate 201 and the receiving member 213
8 and the holding belt 3 are released.

In this state, the positional relationship between the laminate 88 and the traveling body 20 after the transfer does not change from that before the transfer, so that the next cutting operation is immediately continued from the position after the transfer and the above-mentioned transfer is performed. Repeat cutting and required times. Then, the large number of vent holes 3a provided in the holding belt 3 and the vent holes 37 provided in the upper surface of each belt support plate 9 are communicated with each other at the movable concave portion 6 and a portion other than the vicinity thereof, and the movable concave portion 6 and the movable concave portion 6 are provided. In the vicinity, the vent holes 3a are communicated with the intake ports 44 of the front and rear intake boxes 42, and only the electromagnetic opening / closing valve 39 between the intake port 37 of the belt support plate 9 in the movable recess 6 and the intake source 41 is closed. The other intake port 37 and the intake port 44 are connected to the intake source 41.
To the laminated body 88 on the holding belt 3
Air can be sucked almost uniformly from the lower surface of the cutter, the entire laminate 88 in the cutting region can be uniformly compressed and held on the upper surface of the holding belt 3, and the tip of the cutter 26 below the laminate 88. Since it is a double-sided type in which the cutter is inserted into and supported by the cutter receiving cylinder 27, the distortion of the cutter 26 during cutting can be prevented, so that a highly accurate cut product can be obtained.

8 to 12 show a second embodiment of the present invention. The second embodiment is different from the first embodiment only in the belt supporting mechanism. In each of FIGS. 8 to 12,
The same reference numerals as those shown in FIGS. 1 to 7 denote corresponding parts. In the belt supporting mechanism 7 of the second embodiment, as shown in FIGS. 8 to 12, a large number of belt supporting plates 9 arranged below the holding belt 3 are pivotally attached to the connecting member 91 and are connected to each other. The plate 9 has support rods 92 fixed to the lower portions of both ends thereof, and a pair of rollers 11 are rotatably supported on the front and rear portions of both sides.

The belt support plates 9 at both the front and rear ends are connected to the front and rear belt guides 2 via a connecting member 91, and the belt supporting plate 9 and the connecting member 91 are provided with a predetermined slack. .. In addition, a vertical beam 9 provided in the middle of the underframe 1 in the vertical direction
A receiving plate 94 is held on the plate 9 by a receiving plate holding mechanism 93 facing the supporting rod 92 so that the receiving plate 94 can be inserted and removed laterally. In the receiving plate holding mechanism 93, the receiving plate holders 95 arranged below the respective belt supporting plates 9 are fixed to the upper surface of the vertical beam 99,
The receiving plate 94 is fitted and held in the receiving plate holder 95 so as to be slidable in the lateral direction. The outer surface of the vertical beam 99 and the receiving plate 94
A tension spring 97 is stretched between the pin 96 and the pin 96 protruding downward from the outer end of the plate, and the receiving plate 94 is biased inward in the lateral direction. A stopper 98 that abuts the outer surface of the vertical beam 99 is provided on the lower surface of the receiving plate 94.

In the portions other than the movable concave portion 6 and its vicinity, as shown in FIG. 9, the lower end of the supporting rod 92 is supported on the inner end portion of the receiving plate 94 inserted into the receiving plate holder 95. , The belt support plate 9 is kept in the raised state,
As shown in FIG. 12, in the movable concave portion 6 and the vicinity thereof,
The receiving plate 94 is pulled out, the supporting rod 92 is disengaged from the receiving plate 94, and the belt supporting plate 9 is lowered.

In the traveling body 20, both side members 21 and 22 are engaged and supported by a pair of guide rails 12 provided on the outer edge of the underframe 1, and a cam plate 14 is fixed to the lower ends of these members. .. The cam plate 14 is arranged outside the guide rails 12 so as to support the rollers 11 of the belt support plate 9, and the trapezoidal pulling plate 1 having a flat trapezoidal shape is attached to the lower inside by way of the mounting arm 100.
01 is fixed, and the vertical engaging roller 102 pivotally mounted on the outer end of the receiving plate 94 engages with the pulling plate 101 in a disengageable manner.

Further, the second intake mechanism 35 of the second embodiment.
Is provided with front and rear intake boxes 42 symmetrically in the front and rear in the cam groove 15 adjacent to the front and the rear end of the movable recess 6 of the holding belt 3. The structure of each intake box 42 is the same as that of the intake box of the first embodiment. Similarly, the intake pipe 45 of the rear intake box 42 is connected to the intake source 41 together with the front intake pipe 45, and the auxiliary support roller 46 provided in the rear intake box 42 is arranged below the holding plate 201 and also serves as a receiving member. Is configured.

Then, the belt support mechanism 7 of the second embodiment.
Connects a large number of belt supporting plates 9 in the vertical direction, and these supporting plates 9 support between the front and rear belt guides 2 other than the movable concave portion 6 on the lower surface of the holding belt 3 and project below the belt supporting plate 9. The supporting rods 92 to be supported on a horizontal vertical beam 99 provided along the vertical direction of the underframe 1 are held by a receiving plate holding mechanism 93 so as to be detachable, and a movable concave portion 6 of the holding belt 3 and the movable concave portion 6 thereof. They are supported near each other, that is, at portions other than the cam groove portion 15, and the traveling body 20 is supported at the cam groove portion 15.
Cam groove 15 of the cam plate 14 fixed to the side members 21 and 22 of the
Since the four rollers 11 provided on the belt support plate 9 are respectively supported on the upper surface, the cam plate 14 and the pulling plate 101 fixed thereto move together with the traveling body 20, and the pulling plate 1
01 and the receiving plate 94 that has come to the position of the cam groove 27 engage with each other via the engaging roller 102 and face the cam groove 15 with the receiving plate 94.
Pull out.

As a result, the receiving plate 94 is removed from the supporting rod 92 coming to the cam groove 15, the belt supporting plate 9 is lowered, and the belt supporting plate 9 in the cam groove 27 is supported by the roller 11 on the upper surface of the cam groove 15. To do. Further, the belt support plate 9 protruding from the cam groove portion 15 releases the engagement between the pulling plate 101 and the engaging roller 102 of the receiving plate holding mechanism 93, and the receiving plate 94 is inserted by the spring force of the tension spring 97. The supporting rod 10 is supported by the above and is raised and returned.

That is, the cam plate 14 is in front of the cam groove 15,
After the roller 11 of the belt supporting plate 9 having a horizontal portion and moving in the vertical direction rides on the horizontal portion of the cam plate 14,
The engaging roller 102 engages with the pulling plate 101, and the receiving plate 94
Is pulled outward in the lateral direction against the spring force of the tension spring 97, the support of the support rod 92 by the receiving plate 94 is released, and the belt support plate 9 is lowered.

Further, the belt support plate 9 is disengaged from the cam groove 15 and rides up on the horizontal portion of the cam plate 14 to ascend, the engaging roller 102 is disengaged from the pull plate 101, and is received by the spring force restored by the tension spring 97. The plate 94 is inserted laterally inward. Therefore, when the cam plate 14 comes out of the front or rear of the belt supporting plate 9, the belt supporting plate 9 is in a state in which the lower end of the supporting rod 92 is supported by the receiving plate 94.

It should be noted that the cam plate 14 is provided with a curved portion or an inclined portion at the front and rear ends of the upper surface, and when the roller 11 rides on the horizontal portion of the cam plate 14, the belts located in front of and behind the cam plate 14 are provided. It is preferable that it is slightly higher than the support plate 9. The configuration and operation of the second embodiment other than those described above are the same as those of the first embodiment.

In the present invention, the actuating mechanism for raising and lowering the holding plate can be appropriately changed by fixing the cylinders of a plurality of vertical cylinder mechanisms to the connecting beams and connecting the holding plate to the lower end portions of these pistons. Also, the receiving member in contact with the lower surface of the holding belt is appropriately changed, such as a plurality of auxiliary supporting rollers whose both ends are rotatably supported by both side members of the traveling body or the cam plate without providing a rear intake chamber. it can.

In the present invention, the belt supporting mechanism for supporting the holding belt may be one in which each supporting plate is equipped with an elevating mechanism as in the case of the above-mentioned Japanese Laid-Open Patent Publication No. 1-306200. The mechanism is not limited to the configurations of the first and second embodiments, and the mechanism for sucking air from the lower surface of the holding belt together with the holding belt, or the lower surface or the side surface of the suction pipe extending in the longitudinal direction on the upper surface of the holding belt. Air may be drawn from the laminate through a holding belt or directly.

As shown in FIG. 13, the present invention uses an endless holding belt 3 supported by front and rear support rollers 103 on the upper portion of the holding belt 3 and driven by a belt driving electric motor 5. The driving roller 104 may be brought into pressure contact with the inner peripheral surface of the holding belt 3 by the tension roller 105, and the holding belt 3 may be moved in the vertical direction by the rotation of the driving roller 104.

In the present invention, in the above-mentioned embodiment,
Although the driving force is transmitted from the electric motor by using the timing belt and the toothed pulley, the driving force may be transmitted by using a ball screw shaft, a chain or the like instead of these. In this invention, if necessary for work, a sheet of air-permeable material or a sheet of paper having a large number of air holes is placed on the lower surface of the laminate as an underlay paper, and is supported together with the laminate on the holding belt through the underlay paper. However, cutting may be performed.

[0062]

As described above, in the laminate cutting device according to the present invention, the holding plate facing the upper surface of the holding belt is attached to the connecting beam erected above the both side members of the traveling body so as to be able to move up and down. Since the receiving members that face the pressing plate and contact the lower surface of the holding belt are connected to the lower portions of the both side members, the following effects can be obtained.

That is, in the laminate cutting apparatus according to the present invention, when a laminate such as a cloth is placed on the laminate holding belt which moves in the longitudinal direction and the laminate and the holding belt are transferred to a desired position. , The front end of the laminate delivered from a spreading table or the like arranged close to the underframe is placed on the rear end of the holding belt. After that, the actuating mechanism is operated to vertically lower the holding plate, and the stacked body is held by the holding plate and the receiving member.

Next, the driving electric motor and the traveling electric motor are driven at the same time, the holding belt and the traveling body are fed forward at the same speed, and the laminate is drawn into the cutting area on the holding belt to draw the both electric motors. By stopping and raising and returning the pressing plate by the operating mechanism, it is possible to easily draw the laminate into the cutting region and start cutting by the cutter. Further, in the case of obtaining a cut product by cutting a laminate extending rearward beyond the cutting region such as a laminate longer than the cutting region on the holding belt, in the middle of the cutting, the cutting region is divided into a plurality of times as described above. Perform the pulling operation of the laminate.

That is, after the cutting of the cut area of the laminate is completed, the holding belt of the laminate is held by the pressing plate and the receiving member as it is, and the holding belt and the running body are moved forward to stack the laminate. The uncut portion of the product is transferred to the cutting region, the cut product is carried out, and the sandwiching of the laminate and the holding belt by the pressing plate and the receiving member is released. In this state, the positional relationship between the stacked body and the traveling body after the transfer does not change from that before the transfer, the next cutting operation can be immediately continued from the position after the transfer, and the position between the traveling body and the stacked body can be changed after the transfer. There is no need to index and modify.

Therefore, the running body does not make unnecessary movements,
The cutting operation can be continued immediately from the transfer position, and the running body is stopped for a short time, so efficient cutting work can be performed, and moreover, the cloths that make up the laminate do not shift after transfer, so accurate cutting can be performed. .. Further, the cutting device according to the present invention has a simple structure because the pressing member, the operating mechanism for moving the pressing plate up and down, and the receiving member are incorporated in the traveling body.

[Brief description of drawings]

FIG. 1 is a perspective view showing a laminate cutting device according to a first embodiment of the present invention.

FIG. 2 is a vertical sectional view taken along the line AA of FIG.

FIG. 3 is a plan view in which a part of FIG. 1 is cut away.

FIG. 4 is a plan sectional view in which a part of FIG. 1 is broken.

5 is a partial vertical sectional view showing a holding plate, an operating mechanism and a receiving member of the cutting device of FIG.

6 is a cross-sectional explanatory view of FIG.

FIG. 7 is a perspective view showing a drive system of the cutting device of FIG.

FIG. 8 is a vertical sectional view showing a second embodiment of the cutting device according to the present invention.

9 is a partial cross-sectional view taken along the line BB of FIG.

FIG. 10 is a plan view in which a part of FIG. 8 is broken.

11 is a partially enlarged explanatory view of FIG.

FIG. 12 is a partially enlarged explanatory view of FIG. 9.

FIG. 13 is a side view showing a modified example of the holding belt of the present invention.

[Explanation of reference numerals] 1 frame 3 holding belt 4 winding roller 5 belt driving electric motor 6 movable recess 7 belt supporting mechanism 9 belt supporting plate 14 cam plate 15 cam groove 20 traveling member 21 side member 22 side member 23 connecting beam 25 Cutter head 26 Cutter 27 Cutter Receiving cylinder 28 Receiving cylinder holding member 29 Closing plate 30 Lower receiving member 31 Recess forming member 32 Recess forming roller 33 Recess forming roller 34 First intake mechanism 35 Second intake mechanism 47 Drive system 48 Y-axis (horizontal) Direction) Moving electric motor 60 Cutter electric motor 77 X-axis (longitudinal direction) traveling electric motor 88 Laminated material 89 Non-breathable sheet 201 Holding plate 202 Actuating mechanism 204 Mounting member 205 Cylinder mechanism 213 Receiving member 216 Spreading board 217 Top plate

Claims (1)

[Claims] 1. A belt holding mechanism supports a laminate holding belt which is vertically moved by a belt driving electric motor on the underframe, and a traveling body which is reciprocated by the longitudinal running electric motor is supported on the underframe. The traveling body is provided with a cutter head that reciprocates laterally above the holding belt, and a knife-shaped cutter that cuts a laminate on the holding belt is attached to the cutter head so that the cutter head can be moved up and down.
In a laminate cutting device having an intake mechanism for compressing the laminate on the holding belt, a connecting beam for reciprocating the cutter head is installed above both side members of the traveling body, and the connecting beam is attached to the connecting beam. A holding plate facing the upper surface of the holding belt is attached so as to be able to move up and down by an operating mechanism, and a receiving member facing the holding plate and in contact with the lower surface of the holding belt is connected to the lower portions of the both side members. A device for cutting things.