JPH0785878B2 - Laminating sheet cutting device - Google Patents

Description

Detailed Description of the Invention [Industrial applications]

The present invention relates to a laminated sheet cutting device that cuts a plurality of sheets such as cloth in a laminated state.

[Prior art]

Conventionally, as a cutting device as described above, the inventor of the present invention, as shown in Japanese Patent Laid-Open No. 63-267190, has a cutter receiving plate having a cutter receiving tube in a guide groove traversing the supporting surface of a supporting base, and Fit the closing plates connected to both ends of the receiving part,
The cutter receiving plate, the closing plate and the upper surface of the supporting surface are arranged on the same or substantially the same plane, and the intake pipes for sucking air from both side surfaces of the laminate supported on the supporting surface are arranged on the supporting surface, It is proposed that a cutter head is opposed above the cutter receiving plate, and a cutter fitted into the cutter receiving cylinder is attached to the cutter head so that the cutter can be moved up and down. Then, in this laminated sheet cutting device, the cutter is lowered to fit the lower end portion of the cutter into the cutter receiving cylinder,
The outer peripheral surface including the upper and lower surfaces of a laminated sheet such as cloth is covered with a non-breathable sheet on a supporting surface, and both side surfaces of the laminated sheet are sucked by an intake pipe. The suction pipe is supported on a supporting surface in a state of being adsorbed, and the suction pipe is reciprocated in the longitudinal (X) direction integrally with the laminate by the vertical drive mechanism, and the cutter head and the cutter are moved by the horizontal drive mechanism. The receiving plate and the receiving plate are reciprocally moved in synchronization with each other in the lateral (Y) direction, and further, the cutter head and the cutter receiving cylinder are synchronously rotated about the axis by the rotating mechanism, so that the laminate is formed into a desired shape. I'm cutting.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional cutting device, when cutting progresses, the connection of the laminated sheets is reduced in the part where the cutting is finished, the position of the sheet is displaced due to the friction with the stationary support surface, and accurate cutting cannot be performed. There was a problem. The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a laminated sheet cutting device capable of performing accurate cutting and easily positioning and adsorbing the laminated sheet with respect to the intake pipe. It is a thing.

[Means for Solving the Problems]

A cutting device for laminated sheets according to the present invention accommodates a cutter receiving plate having a cutter receiving cylinder and a closing member connected to both ends of the receiving plate in a guide groove that traverses a supporting surface of a supporting base, and the front and rear of the guide groove. A belt for supporting the laminated sheet is supported on the support surfaces on both sides, the cutter receiving plate, the closing member and the upper surface of the belt are arranged on the same or substantially the same horizontal plane, and the belt is longitudinally arranged on both sides in the longitudinal direction of the belt. A belt moving member for reciprocating is disposed, a cutter head is opposed to above the cutter receiving plate, and a cutter whose lower end is inserted into the cutter receiving cylinder is attached to the cutter head so as to be vertically movable. A horizontal drive mechanism that reciprocates the head and cutter receiving plate in synchronization with each other in the horizontal direction is connected to the head and the cutter receiving plate, and the cutter and the cutter receiving cylinder are rotated around a vertical axis A rotating mechanism that rotates in synchronization is connected, and the belt moving member is connected to a vertical drive mechanism that vertically reciprocates integrally with the moving member, the belt, and the laminated sheet supported on the belt. It is a thing.

[Action]

In the laminated sheet cutting device according to the present invention, the laminated sheet is supported on the belt supported on the support surface of the support base, and the three members of the belt moving member, the belt and the laminated sheet are integrated in the longitudinal direction by the longitudinal drive mechanism. By reciprocating the sheet, even if the cutting progresses and the connection of the laminated sheets is reduced, the laminated sheet and the already cut object of the laminated sheet are placed on the belt that is not cut. Since it moves together with the belt, it is possible to perform accurate cutting without displacement. Further, when the laminated sheet is placed on the belt and is positioned with respect to the intake port of the intake pipe, air is blown from the air supply source through the ventilation holes of the support surface of the support base and the belt, Most of the lower surface or the outer peripheral surface including these surfaces is covered with a non-breathable sheet to reduce the friction resistance between the laminated sheet and the belt,
The laminated sheet can be moved lightly, the both side surfaces of the laminated sheet can be easily positioned accurately with respect to the intake port, and air leakage from the intake port at the intake port can be reduced.

【Example】

An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a support base. The support base 1 is fixed on the floor surface by legs 1b, and a top plate 1c having a rectangular support surface 1a is fixed on the legs 1b. Intake pipes 2 are provided on both sides of the support surface 1a. The intake pipe 2 extends in the vertical (X) direction in parallel with the long side of the top plate 1c, has fixtures 3 to be described later provided at both ends, and has an intake port 2a made up of a number of small holes in the middle part. It is provided to face each other,
It is connected to a suction source 5 such as a vacuum pump via a flexible hose 51. Further, the intake pipe 2 is slidably engaged with and supported by a guide rail 1e extending in the vertical direction of the support base 1 so as to be moved in parallel along the vertical direction of the support surface 1a.
Further, a belt 4 supported on the support surface 1a by the fixture 3 is detachably fixed to the intake pipe 2. As shown in FIGS. 1 and 3, a guide groove 1d is formed in the top plate 1c of the support base 1 so as to traverse the top plate 1c at the longitudinal center, and the belt 4 is divided into front and rear sides of the guide groove 1d. And is supported on the support surface 1a of the top plate 1c, is bent downward from the guide groove 1d side end of the support surface 1a and is supported by the intermediate rollers 6, 6, and the front and rear end portions of the belt 4 are The concave portion 4a is formed in a portion fixed to the fixture 3 and facing the guide groove 1d. Further, as shown in FIG. 3, the belt fixing device 3 has the receiving plate 3a and the air cylinder 3b fixed to the inner surface of the intake pipe 2, and the air cylinder 3b.
The pressing plate 3d is fixed to the piston 3c, and the pressing plate 3d is lowered together with the piston 3c by the operation of the air cylinder 3b.
One in which the side edge portion of the belt 4 is clamped between the receiving plate 3a and the pressing plate 3d, or, as shown in FIGS. 1 and 4, by a pressing plate 3f and a receiving plate 3a by a screw 3e. A belt that holds both edges of the belt 4 is used. As shown in FIG. 1, 1
A pair of frames 7 are erected, and a beam member 8 is erected on the upper ends of the frames 7. A cutter head 9 is engaged and supported on the upper surface of the beam member 8 so as to be capable of reciprocating in the lateral (Y) direction which is the longitudinal direction thereof, and a knife-shaped cutter 10 and a cutter guide 11 will be described later on the cutter head 9. The cutter 10 is supported so as to be rotatable about an axis perpendicular to the cutter head 9. As shown in FIG. 5, guide rails 12 are provided on both sides of the guide groove 1d.
Are arranged, and the guide rail 12 is fixed to the frame 7. A cutter receiving plate 13 located directly below the cutter head 9 is engaged with and supported by the guide rail 12 together with the closing member 15 in the guide groove 1d so as to reciprocate laterally.
A cutter receiving cylinder 14 located right below the cutter 10 is held by the cutter so as to be rotatable around a vertical axis. In the closing member 15, a large number of closing plates 15a are connected in a bendable manner, and the opposite end closing plates 15a are connected to both ends of the cutter receiving plate 13, respectively.
Folding parts protruding from both ends of 1d are induction wheels (not shown)
Supported by. The upper surfaces of the cutter receiving plate 13 including the cutter receiving cylinder 14, the closing plate 15, and the portion of the belt 4 located on the supporting surface 1a are arranged on the same horizontal plane or substantially the same horizontal plane. As shown in FIGS. 1 and 2, the intake pipe 2 is connected to the belt 4
Vertical drive mechanism 16 that reciprocates in the vertical (X) direction integrally with
Is a shaft supported by a connecting shaft 18 which is rotated in the forward and reverse directions by a vertical drive motor 17 so as to traverse the top plate of the support base 1, and a pinion 19 which is fitted and fixed to the connecting shaft 18 is an intake pipe. Two
Are engaged with rack bars 20 which are fixed to the side surfaces and extend in the vertical direction. The lateral drive mechanism 21 that reciprocates the cutter head 9 and the cutter receiving plate 13 in synchronization in the lateral (Y) direction is configured as follows. A synchronous shaft 23, to which the driving force is transmitted from the lateral drive motor 22 that rotates in the forward and reverse directions, extends horizontally in the vertical direction, and the first and second synchronous shafts 23 are provided on the synchronous shaft 23.
The drive gears 24, 25 are fitted and fixed. First drive gear 24
The first drive belt 26 meshed with the above extends upward, is supported by the guide wheels 27 and 28 and extends horizontally in the lateral direction, the folded portion is supported by the driven wheel 29, and the opposite ends are provided at both ends of the cutter head 9. It is fixed. The second drive belt 30 meshed with the second drive gear 25 extends horizontally in the lateral direction, the folded portion is supported by the driven wheel 31, and the opposite ends are fixed to both ends of the cutter receiving plate 13. The rotating mechanism 33 for rotating the cutter 10 and the cutter receiving cylinder 14 in synchronism with each other about the axis is configured as follows. The endless belt 36 meshing with the drive gear 35 to which the driving force is transmitted from the cutter driving electric motor 34 that rotates in the forward and reverse directions is formed by the guide wheels 37, 38.
The upper and lower driven wheels 39 and 40 are meshed with each other. The upper and lower driven wheels 39, 40 are fitted and fixed to one ends of the upper and lower spline shafts 41, 42, and these spline shafts 41, 42 extend horizontally in the lateral direction across the top plate 1c. Upper and lower bevel gears 43 and 44 are axially slidably engaged with the upper and lower spline shafts 41 and 42, respectively. The upper bevel gear 43 is configured so that the turning force is transmitted to the steering cylinder 46 on the vertical axis via the turning power transmission mechanism 45 including an upper vertical bevel gear 45a that meshes with the upper bevel gear 43, and the like. The vertically movable cutter 10 and cutter guide 11 are supported so as to rotate together with the steering tube 46. The upper vertical bevel gear 43, the rotational power transmission mechanism 45, and the steering cylinder 46 are supported by the cutter head 9 and most of them are accommodated in the cutter head 9. Although not shown, the cutter head 9 has a cutter. An elevating mechanism for elevating 10 is provided. The cutter guide 11 is adapted to stop at an arbitrary upper and lower position by an appropriate means, and the cutter 10 is inserted and supported so as to be relatively movable in the upper and lower directions. The lower bevel gear 44 is rotatably engaged with and supported by the cutter receiving plate 13, and has a cylindrical lower vertical axis gear that meshes with the lower bevel gear 44.
47 is fixed to the cutter receiving cylinder 14, the cutter receiving hole 14a is formed in the cutter receiving cylinder 14, and is supported by the cutter receiving plate 13 via a bearing (not shown).
Further, the vertical drive motor 17, the horizontal drive motor 22, the synchronous shaft 23, the first and second drive gears 24 and 25, the guide wheels 27 and 28, the cutter drive motor 34, the drive gear 35, the endless belt 36 and the guide wheels. 37,38 etc. are installed in one frame 7 and the driven wheels 2
9,31 etc. are installed in the other frame 7. Further, the first drive belt 26 and the upper spline shaft 41 are installed on the beam member 8. The vertical drive mechanism 16, the horizontal drive mechanism 21, the rotating mechanism 33, and the cutter elevating mechanism described above are substantially the same as those shown in Japanese Patent Laid-Open No. 63-267190. As shown in FIG. 1, FIG. 4, FIG. 6 and FIG. 7, a flat air passage 52 is formed in the top plate 1c of the support base 1, and the air passage 52 is a blower such as a blower or an air compressor. Source (not shown)
It is connected to the. The top plate 1c is provided with a small ventilation hole 53 opening to the support surface 1a, and the belt 4 made of a non-permeable material supported on the support surface 1a is provided with a large ventilation hole 54. Large and small ventilation holes 54 and 53 are provided in a large number at a predetermined pitch along the vertical direction, and a plurality of large and small ventilation holes are provided side by side.
54,53 match. Also, 48 is a laminated sheet,
The laminated sheet 48 is made of cloth or the like, and the outer peripheral surface including the upper and lower surfaces is covered with a non-permeable sheet 49 such as paper. Reference numeral 50 is a control device that controls the vertical drive mechanism 16, the horizontal drive mechanism 21, the rotating mechanism 33, the cutter lifting mechanism, and the like. Next, the operation of the cutting device of the embodiment configured as described above will be described. As shown in FIG. 1, in order to position and support the laminated sheet 48 covered with the non-breathable sheet 49 on the belt 4, the air source is driven and the large ventilation hole is provided via the air passage 52 and the small ventilation hole 53. By blowing air from the belt 4 between the belt 4 and the non-breathable sheet 49 on the lower surface, the frictional resistance between them is reduced, so that the laminated sheet 48 can be moved lightly together with the non-breathable sheet 49. The laminated sheet 48 and the non-breathable sheet 49 can be easily positioned accurately so that both side surfaces of the sheet 48 face and approach the intake ports 2a of the pair of intake pipes 2. After the positioning, the air source is stopped, the air source 5 is driven, and air is taken in from the air inlet 2a of the air intake pipe 2 via the flexible hose 51, so that both side surfaces of the laminated sheet 48 are brought into the air inlet 2a. Adsorb. This way, the intake port
Since 2a and the both side surfaces of the laminated sheet 48 are in close contact with each other, there is no air leakage between them and the laminated sheet 48 covered with the non-air-permeable sheet 49 can be reliably held in the intake pipe 2. Until then, the cutter guide 11, the cutter
Raise 10 Next, the electric motor 17 of the vertical drive mechanism 16 is driven by a command from the control device 50, the pinion 19 is rotated via the connecting shaft 18, and the intake pipe 2 is moved by the engagement of the pinion 19 and the rack bar 20. By moving in the vertical direction, the laminated sheet 48 covered with the belt 4 and the non-breathable sheet 49 is horizontally moved in the vertical direction integrally with them, and the front end of the laminated sheet 48 is positioned directly below the cutter 10. At the same time, the electric motor 22 of the lateral drive mechanism 21 is driven to rotate the first and second drive belts 26 and 30 via the synchronous shaft 23 and the first and second drive gears 24 and 25, thereby cutting the cutter. The head 9 and the cutter support plate 13 are synchronized and horizontally moved in the lateral direction. In this case, the cutter head 9 moves along the beam member 8, and the cutter receiving plate 13 moves along with the closing plate 15a in the guide groove 1d that crosses the top plate 1c along the guide rail 12. By the above-described movement in the vertical direction and the horizontal direction, the cutter 10 is moved above the cutting start position and the movement is stopped. In this state, the cutter elevating mechanism (not shown) lowers the cutter 10 to move the cutter 10 to the steering tube 46,
Insert it through the steering hole (not shown) provided in the cutter guide 11,
In this state, the tip of the cutter 10 is fitted and supported in the insertion hole 14a of the cutter receiving cylinder 14 attached to the cutter receiving plate 13.
Further, the cutter guide 11 is also lowered by an appropriate means, and lightly pressed against the upper surface of the laminated sheet 48 via the non-breathable sheet 49. Next, in response to a command from the control device 50, the electric motors 17 and 22 of the vertical and horizontal drive mechanisms 16 and 21 are appropriately driven in the forward and reverse directions, and the intake pipe 2, the belt 4 and the non-breathable sheet 49 are operated as described above. The covered laminated sheet 48 is vertically moved integrally, the cutter head 9 is horizontally moved integrally with the cutter 10, and the cutter receiving plate 13 is horizontally moved integrally with the cutter receiving cylinder 14. Further, the electric motor 34 of the rotating mechanism 33 is driven in forward and reverse directions to drive the drive gear 35, the endless belt 36, the upper and lower driven wheels 39, 40,
Upper and lower bevel gears 43,44 via upper and lower spline shafts 41,42
Rotate. Then, by the rotation of the upper bevel gear 43, the steering cylinder 4 via the upper vertical shaft bevel gear 45a and the rotary power transmission mechanism 45.
6, rotate the cutter guide 11 as a unit, and lower bevel gear 44
Rotation of the cutter shaft through the lower vertical shaft bevel gear 47
By rotating 14 in synchronization with the steering tube 46 and the cutter guide 11, the knife-shaped cutter 10 is supported at a plurality of positions in the upward and downward directions, and the blade edges thereof are oriented in the cutting direction, and the lamination is performed. The sheet 48 is cut into a desired shape together with the non-breathable sheet 49. In this case, the control device 50 is made to store the cut shape, and the vertical and horizontal drive mechanisms are responsive to this shape.
16, 21, it is preferable to control the operation of the rotating mechanism 33.
After cutting is completed, stop driving the electric motors 17,22,34 and
10 and the cudder guide 11 are raised, the cutter 10 is moved to the position above the next cutting start position by the above-described operation, and the cutting operation is performed in the same manner, but the cutting operation of each time cuts the laminated sheet 48 into a different shape. Alternatively, they may be cut into the same shape. Also, after cutting the entire surface of the laminated sheet 48, the laminated sheet together with the intake pipe 2 is provided in front of the guide groove 1d.
48 and the non-breathable sheet 49 are sent out, the intake source 5 is stopped, and these are removed. The cutting device of this embodiment has a non-breathable sheet on the belt 4.
Since the laminated sheet 48 covered with 49 rides and moves in the vertical and horizontal directions, it is possible to accurately cut the laminated sheet 48 without misalignment even if the connections of the sheets forming the laminated sheet 48 are reduced. FIG. 8 shows a lower portion of a laminated sheet cutting device according to another embodiment of the present invention. In this embodiment, the belt is divided into two parts, that is, the front part and the rear part, without making the belt endless. The opposite ends of the belt 4 are bent downward from between the guide rail 12 and the top plate 1c and connected to the drive roller 55. It was done. Further, as shown in FIG. 9, these rollers 55 are pivotally supported on the frame 7 via bearings 56, and a pulley 57 is fitted and fixed to a shaft 55a fixed to the drive roller 55. A pulley 59 is fitted and fixed to the shaft 58a of the installed torque motor 58, an endless belt 60 is hung on the pulleys 57 and 59, and the other ends of the front and rear belts 4 are fixed to the intake pipe 2 by a fixture 3. is there.
When the belt 4 is unwound from the driving roller 55, the belt 4 rotates in the reverse direction, and when the belt 4 is wound, the belt 4 is wound while rotating in the forward direction so that the belt 4 is moved together with the intake pipe 2 while always maintaining an appropriate constant tension. It is the one. The torque motor 58 is rotated faster than the moving speed of the front and rear belts 4. Further, as shown in FIG. 10, an electric motor 61 that rotates only in the winding direction and is connected to the powder clutch 62 may be used instead of the torque motor 58 shown in FIG. Further, in the case shown in FIG. 9, the belt 4 is the drive roller 5
The belt 4 can be moved with the belt moving member while being kept at a constant tension when it is unwound from the belt and slips a lot when the belt 4 is wound. In the belt shown in FIG. 11, the rear end portion of the belt 4 divided into the front portion and the rear portion is extended downward to be connected to the drive roller 55, and the belt 4
The front end portion of which is connected downward to the supporting roller 63, and the driving roller 55 is driven by the torque motor 58 or the electric motor 61 with the powder clutch 62 shown in FIG. 9 or FIG. Similar to the one shown in the figure, the belt 4 can be moved together with the intake pipe 2 while maintaining a certain function. Further, as shown in FIG. 12, two endless belts 4 hung on the front and rear rollers 64, 65 may be provided on the rollers 64, 65 before and after the endless belt 4, respectively. Belt 4 shown in FIG.
It is also possible to adopt a configuration in which one of the front and rear sides of the guide groove 1d provided on the support base is appropriately used one by one. In each of FIGS. 8 to 12, the same reference numerals as those in FIGS. 1 to 7 indicate corresponding parts. Further, in the above-described embodiment, the cutter guide may be manually moved up and down with respect to the steering tube, or may be moved up and down in conjunction with the cutter. It is necessary to Further, in the present invention, the closing member for connecting the cutter receiving plate to both ends may be used also as the second drive belt for laterally moving the receiving plate, whereby the structure can be simplified and further cut. If the laminated sheet is non-breathable, it may not be covered with another non-breathable.

【The invention's effect】

As described above, according to the present invention, the cutter receiving plate and the closing members connected to both ends of the receiving plate are accommodated in the guide groove that traverses the supporting surface of the support base, and the guide groove is provided on the front and rear sides of the guide groove. Since the belt is supported on the supporting surface and the intake pipes for reciprocating the belt in the vertical direction are arranged on both sides of the belt in the vertical direction, the intake pipe is adsorbed on the belt to support the laminated sheet, and the intake pipe is , The belt and the laminated sheet are integrally moved in the longitudinal direction, so that the laminated sheet and the already-cut object are moved together with the belt, so that accurate cutting without misalignment is performed. Since the support surface and the belt are formed with a large number of air holes which are aligned with each other and these air holes are communicated with the air supply source, the laminated sheet is placed on the belt and the air intake pipe To the intake port of In this case, the laminated sheet can be lightly moved by blowing air from the air supply source through the hole and between the belt and the non-breathable sheet on the lower surface of the laminated sheet supported on the belt. , It is easy to accurately position both side surfaces of the laminated sheet with respect to the intake port, and therefore intake leakage at the intake port can be reduced,
There is an effect that it is possible to provide a cutting device for a laminated sheet that can reliably hold the laminated sheet in the intake port.

[Brief description of drawings]

FIG. 1 is a perspective view showing a cutting device for laminated sheets according to an embodiment of the present invention, FIG. 2 is a perspective view of the drive mechanism portion, FIG. 3 is a vertical sectional side view of the belt portion, and FIG. FIG. 5 is a partial perspective view showing the relationship between the belt and the intake pipe, FIG. 5 is a partial perspective view of the cutter receiving plate and the closing member, and FIG. 6 is a plan view showing ventilation holes of the belt and the top plate. FIG. 8 is an enlarged vertical sectional view of the same portion, FIG. 8 is a vertical sectional view of a lower portion showing a laminated sheet cutting device according to another embodiment of the present invention, and FIGS. 9 and 10 show the belt shown in FIG. FIG. 11 is a front view showing different winding mechanisms, and FIG. 11 and FIG. 12 are vertical side views showing different modifications of the belt. 1 ... Support base, 1a ... Support surface, 1c ... Top plate, 1d ... Guide groove, 2 ... Intake pipe, 2a ... Intake port, 3 ... Belt fixing tool, 4 ... Belt, 7 ... … Frame, 8 …… Beam member, 9
…… Cutter head, 10 …… Cutter, 12 …… Guide rail, 13 …… Cutter support plate, 14 …… Cutter support tube, 15…
… Blocking member, 15a… Blocking plate, 16… Vertical drive mechanism, 2
1 ... Lateral drive mechanism, 33 ... Rotation mechanism, 48 ... Laminated sheet, 49 ... Non-breathable sheet, 50 ... Control device.

Claims (1)

[Claims] 1. A support groove on a front side and a rear side of the guide groove, in which a cutter receiving plate having a cutter receiving tube and a closing member connected to both ends of the receiving plate are housed in a guide groove traversing the supporting surface of the support base. Support the belt that supports the laminated sheet on top,
The cutter receiving plate, the closing member and the upper surface of the belt are arranged on the same or substantially the same horizontal plane, and the intake pipes for reciprocating the belt in the longitudinal direction are arranged on both sides in the longitudinal direction of the belt with the intake ports facing each other. By fixing the belt to the intake pipe,
A large number of vent holes are formed on the support surface and the belt so as to correspond to each other, and these vent holes are communicated with an air supply source, a cutter head is made to face above the cutter receiving plate, and the cutter head is attached to the cutter head. A cutter whose bottom end is inserted into the cylinder is mounted so that it can be moved up and down, and a horizontal drive mechanism that reciprocates the cutter head and the cutter receiving plate in a horizontal direction is connected to the cutter head and the cutter receiving cylinder. And a rotating mechanism for rotating them in synchronism with each other about a vertical axis, and the intake pipe is reciprocally moved in the longitudinal direction integrally with the intake pipe, the belt, and the laminated sheet supported on the belt. A device for cutting a laminated sheet, characterized by being connected to a vertical driving mechanism.