JPS635504B2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention enables continuous cutting of a large number of strips of cloth, such as marks or names, and also allows the cut ends to be folded back and hemmed immediately. This invention relates to a device for doing so.

BACKGROUND OF THE INVENTION Conventionally, in order to display the manufacturer or distributor of clothing, a name cloth piece with a company name or trademark embroidered on it has been sewn onto the clothing. Such cloth is woven into strips, which must be cut into individual name cloth pieces, and the cut edges must be folded in and sewn onto clothing, etc. All of these shaping processes are done by hand. The folding process involves ironing, which requires a lot of time and effort.

In order to solve these problems, Tokuko Akira
No. 30-3471 is disclosed. This marking tape cutting and folding machine involves making the insides of two spaced container frames facing each other into a concave arc shape, fixing an arc-shaped receiving plate to the inner surface at a spaced interval, and then fixing the arc-shaped receiving plate at a distance from the inner surface of the container frame. A holding plate having the same shape as the receiving plate is provided so that it can be moved up and down by an operating stick, and when the operating stick is pushed down, the cutter is lowered and the distance between the vessel frame and the receiving plate is reduced. The pressure plate is inserted in an arc shape to cut the tape sandwiched between the holding plate and the receiving plate, and the cross section is then folded back to the upper side of the holding plate.

Problems to be Solved by the Invention In such a marking tape cutting and folding device, the distance between the container frame and the receiving plate is adjusted by a screw according to the change in the length of one section of the marking tape. At the same time, it is necessary to replace the holding plate, resulting in poor workability. Another problem was that during cutting, it was necessary to hold the marking tape by hand to prevent it from shifting.

The purpose of the present invention is to solve the above-mentioned technical problems,
An object of the present invention is to provide an improved belt-shaped body cutting and folding device that can cut and fold a belt-shaped body automatically and with high precision.

Means for Solving the Problems The present invention comprises: a pair of beds spaced apart from each other in the conveying direction of the strip; a pair of guide plates facing each other and individually arranged on opposite sides of the beds; , a pair of entry plates that can individually enter into each gap between the guide plate and the opposing surface of the bed, and a means for cutting the strip in the width direction between the guide plates; This device is characterized in that an arcuate surface having an axis perpendicular to the belt conveyance direction is formed across the surface facing the belt conveyance path.

A preferred embodiment is characterized in that the bed or the guide plate is heated by a heater.

Effect According to the present invention, the strip is cut by the cutting means and the strip is bent so that the entry plate can enter the gap between the guide plate and the bed having an arcuate surface heated by the heater. , it will be possible to perform tasks automatically and with high precision.

EXAMPLE FIG. 1 shows a cutting and folding device 1 according to the invention.
FIG. 2 is a front view thereof, and FIG. 3 is a plan view thereof. This device 1 basically consists of a swinging blade 2, a pair of entry plates 3,
4 and a pair of holding members 5 and 6, a displacement selection means 8 that selectively sets the displacement amount of the entry plates 3 and 4, and a pair of beds corresponding to the entry plates 3 and 4. It includes a support member 13 that supports a pair of guide plates 11 and 12 arranged between 9 and 10, and a displacement means 14 that displaces the support member 13.

A handle 16 is attached to the free end 15a of the operating lever 15 constituting the lifting means 7, and the base end 1
5b is connected to the operating lever 15 and a rotating shaft 17 extending in a direction perpendicular to the plane of the paper in FIG. This rotating shaft 17 is connected to the housing 18
It is rotatably supported by a pair of bearings (not shown) that are spaced apart from each other and fixed therein. Rotating shaft 17
A substantially elliptical cam 70 is fixed near the center. The cam surface 71 of the cam 70 has an arcuate surface 71a, an inclined surface 71b connected to the arcuate surface 71a and inclined outward in the radial direction of the cam 70, and a protruding surface 71c connected to the inclined surface 71b. In relation to this cam 70, the base end 19a of the drive lever 19 is connected to another rotating shaft 72 extending parallel to the rotating shaft 17. A cam 7 is attached to the base end 19a of the drive lever 19.
A follower 73 that comes into contact with the cam surface 71 of 0 is formed in an L-shape. In the drive lever 19, when the operation lever 15 is not operated, the follower 73 contacts the arcuate surface 71a of the cam surface 71, and the operation lever 15 is angularly displaced in the direction indicated by arrow A in FIG. As the follower 73 travels along the inclined surface 71b of the cam surface 71 and comes into contact with the protruding surface 71c,
As a result, the free end 19b of the drive lever 19 is configured to be angularly displaced in the same direction as the arrow A.

The free end 19b of the drive lever 19 can approach and move away from the upper end 20a of the drive piece 20, which is slidable in a direction substantially perpendicular to the drive lever 19 and perpendicular to the rotating shaft 17 (vertical direction in FIG. 1). Placed. The lower end 20b of the drive piece 20 abuts against a cam surface 22 of a cam 21 serving as displacement amount selection means 8, which will be described later. This cam 21 is attached to a holding member 23 (see Fig. 4).
The holding member 23 is slidably supported along a cylinder 24 extending in the vertical direction in FIG.

At the lower end of the holding member 23 (lower part in FIG. 2),
A swing blade holder 25 extending on the same straight line as the drive piece 20 is integrally fixed. This swinging blade holder 25 is a cutting edge 2 of a swinging blade 2 supported by a support shaft 28 shown in the first diagram so as to be angularly displaceable around its axis.
It abuts on the rear part 2b on the opposite side from a. This swinging blade presser 25 applies a pressing force to the swinging blade 2 in the vertical direction (vertical direction in FIG. 2). One end of a support rod 101 extending to the left in FIG. Penetrates in a swingable manner. The other end of the support rod 101 is screwed onto a nut 103, and a spring 104 is wound around the support rod 101 between the nut 103 and the support base 102.
4 urges the support rod 101 and therefore the swinging blade 2 toward the support base 102, thereby strengthening the mutual overlap with the fixed blade 81, thereby improving cloth cutting performance.

A pair of entry plates 3 and 4 extending in the same direction as the swinging blade holder 25 are fixed to the legs 26 and 27 of the holding member 23 on both sides of the swinging blade holder 25. The entrance plates 3 and 4 are connected to a pair of beds 9 and 10, which will be described later.
and each gap 29 between the pair of guide plates 11 and 12,
They are placed facing directly above 30. The vertical length of the entry plates 3 and 4 is such that the displacement of the pressing members 5 and 6 is prevented by the beds 9 and 10, and the cutting edge 2a of the swinging blade 2 is lowered and fixed as described later. The lower end portions 3a, 4a of the entry plates 3, 4 are selected to be able to enter into the gaps 29, 30 in a state in which they overlap the blade 81, that is, in a state in which the cloth is completely cut. ing.

Holding members 5 and 6 extending in the vertical direction are individually attached to the legs 26 and 27 of the holding member 23. The presser members 5 and 6 include presser rods 31 and 32 that are swingable in the axial direction within the legs 26 and 27.
and flanges 33, 34 formed at the lower ends of the presser bars 31, 32, respectively. Coil springs 35, 36 are individually wound around the outer periphery of each of the presser bars 31, 32, and the flanges 33, 34 are moved by the lowering of the holding member 23 by the coil springs 35, 36. 1 bet 9,10
Even when the holding member 23 is pressed in the direction of Twisting can be reliably prevented.

Below the holding member 23, a pair of beds 9 and 10 are spaced apart in the horizontal direction and are arranged on opposing surfaces 9a and 10a.
A pair of brackets 37 and 38 extend from the base body 100 and have axes perpendicular to the conveyance direction of the belt-shaped body connected to the mounting surfaces 39 and 40, forming arcuate surfaces 9b and 10b having uniform radii along the axes. Fixed by Fabric placement surfaces 39 and 4 of beds 9 and 10
0 is in the same horizontal plane, and this bed 9,
Guides 41 and 42 having a rectangular cross section are fixed in the left and right direction in FIG. 2 of 10 by fixing jigs 43 and 44, respectively. Beds 9 and 10 each have a built-in electric heater (not shown).
The temperature of this electric heater is controlled by a temperature control dial 45 that is interlocked with temperature detection means (not shown) such as a thermostat provided inside the housing 18.

As shown in FIGS. 10 and 11, the bed 9 is formed with an air supply hole 9c extending perpendicularly to the conveying direction of the strip, through which compressed air is supplied. This compressed air is passed through a nozzle 9 that communicates with the air supply hole 9c.
It is injected from d. Nozzle 9d is air supply hole 9c
The compressed air cools the vicinity of the arcuate surface 9b, forming an air layer between the strip and the arcuate surface 9b, and the strip is directly attached to the arcuate surface 9b. Information board 11 because there is no touching
The bent portion other than the bent portion formed by the pressure applied by the entrance plate 3 is not bent, and the bent portion is easily discharged from the gap portion 29. bed 10
Similarly to the bed 9, an air supply hole 10c and a nozzle 10d are formed, and have the same effect.

FIG. 4 is a diagram for explaining the displacement amount selection means 8, and FIG. 5 is a sectional view of the vicinity of the drive piece 20. A displacement selection means 8 for selectively setting the displacement amount of the entry plates 3 and 4 includes a cam 21 pressed by a drive piece 20 and a holding member 23 that holds the cam 21. As shown in FIG. 4A, the cam 21 is formed into a substantially disk shape, and a through hole 46 is formed in the center thereof. The cam 21 is disposed within the hollow portion 23a of the holding member 23, and is rotatably held by a shaft 49 passing through the hollow portion 23a. Base end 4 of shaft 49 passing through hollow part 23a
9a is supported by an insertion hole 47 that communicates with the hollow part 23a of the holding member 23, and the tip 49b is connected to the hollow part 23a of the holding member 23.
It is supported by the through hole 48 of the lid 23b that closes the lid 23b. axis 4
A dial knob 50 is attached to the tip 49a of the dial knob 9, and the dial knob 50 is allowed to rotate by a screw-shaped lock piece 52 that is screwed into a screw hole 51 formed radially outward. , or are configured to be prevented. The hollow part 2
An inner cylindrical intervening member 90 is fitted into the outer periphery of the support rod 49 between the support rod 3a and the cam 21, and the intervening member 90 holds the cam 21 in a vertical plane. As shown in FIG. 4B, the holding member 23 is formed with an insertion hole 91 coaxially with the insertion hole 20c of the drive piece 20, which passes through the hollow portion 23a and the bottom surface 23c. The presser foot 25 is inserted tightly. On the side of the holding member 23,
Insertion part 24 for inserting a pair of cylinders 24
a is formed individually, and the cylinder 24 is swingably passed through the fixed frame 89 as shown in FIG. A coil spring 24 surrounding this cylinder 24
b, the holding member 23 is always resiliently biased upward in FIG.

As shown in FIG. 5, the cam 21 has a cam surface 22 formed in an involute curve shape. The minimum radius R1 and the maximum radius R of this cam 21
The difference W from 2 is determined by the dial knob 50 in accordance with the amount of vertical displacement of the holding member 23, which will be described later.

FIG. 6 is an exploded perspective view for explaining the displacement means 14. Displacement means 14 for displacing the support member 13 that supports the pair of guide plates 11 and 12
is another drive lever 53 connected to the rotation shaft 17 of the operation lever 15, and the drive lever 53
The housing 18 includes an elevating rod 54 that vertically moves up and down within the housing 18, and a swinging member 65 that is integrally connected to the elevating rod 54. A base end 53a of the drive lever 53 is connected to the rotating shaft 17 shown in the third figure.
A protrusion 56 is formed near the upper end 54a of the lifting rod 54, extending perpendicularly to the drive lever 53 and abutting the lower end of the drive lever 53. When the drive lever 53 is angularly displaced around the axis, the elevating rod 54 is displaced in the axial direction (vertical direction in FIG. 6) by the protrusion 56. The cross-section perpendicular to the axis of the lifting rod 54 is formed into a substantially semicircular shape, and both ends of the lifting rod 54 in the axial direction are connected to a pair of container frames 5 fixed to the housing 18.
8 and 59 through holes 58a and 59a. The container frame 58 consists of a half frame 110 extending from the housing 18 and a half frame 111 having the same shape as the half frame 110, and a screw hole 60 is formed in the half frame 111 facing the flat surface 57 of the lifting rod 54. A screw 61 is screwed into this screw hole 60. When the tip 61a of the screw 61 comes into contact with the flat surface 57 of the lifting rod 54, the lifting rod 54 is prevented from rotating around its vertical axis. One end 62a of the coil spring 62 is engaged with the screw 61, and the other end 62b is engaged with the screw 61.
engages with the protrusion 56 of the lifting rod 54. Due to the spring force of the coil spring 62, the elevating rod 54 is constantly biased upward in FIG. Another protrusion 63 is formed near the lower end 54b of the lifting rod 54 and extends in the opposite direction to the protrusion 56. This protrusion 63 is connected to the shaft 64 of the bracket 38 shown in the first figure.
One end 6 of a swinging member 65 rotatably supported by
It is fitted into the engagement recess 66 of 5a. Swing member 65
An engagement recess 67 is formed in the other end 65b, and a protrusion 68 that fits into the engagement recess 67 is a second
It is formed on the side of the illustrated support member 13. When the lifting rod 54 is lowered by the swinging member 65,
The support member 13 is displaced toward the beds 9 and 10 (upward in FIG. 2).

A pair of guide plates 11 and 12 are fixed to both sides of the support member 13 along the displacement direction. Information board 1
The tips 11a, 12a of the beds 9, 10 are arranged facing the mutually opposing surfaces 9a, 10a of the beds 9, 10, respectively. Gaps 29 and 30 are formed through which 3 and 4 can enter individually. Each tip 1 of the guide plates 11 and 12
1a and 12a are bent in the direction of approaching each other, and the entry of the entry plates 3 and 4 is reliably achieved by these tip portions 11a and 12a.

With reference to FIGS. 1 and 7, a strip of cloth 80
The process of creating a marking tape by cutting and folding both ends will be described below. First, the 7th
As shown in FIG. 1, a strip of cloth 80 is placed. Next, the operating lever 15 is rotated in the direction of arrow A, and the holding member 23 is lowered by the drive lever 19.
The pressing members 5 and 6 are displaced toward the beds 9 and 10, and the cloth 80 is pressed and fixed onto the beds 9 and 10 as shown in FIG. 7 and 2. Further, the operating lever 15 is rotated in the direction of arrow A, and the swinging blade holder 25 integrally fixed to the holding member 23 is lowered to move the swinging blade 2 downward, as shown in FIG. The cloth 80 is cut by the singing blade 2 and the fixed blade 81. Furthermore, the operation lever 15 is displaced in the direction of arrow A, and the entry plates 3 and 4 integrally fixed to the holding member 23 are lowered, and both ends 80 of the cut cloth 80 are
7a and 80b along the opposing surfaces 9a and 10a of the bed 9 as shown in FIG. 7. Next, by lowering the lifting rod 54 by rotating the operating lever 15, the support member 13 is displaced upward, and the guide plates 11 and 12 move the ends 8 of the cloth 80
As shown in FIG. 7, bent portions 82, 84 and folded portions 83, 85 are formed on 0a, 80b. By displacing the support member 13 upward in this way, both ends 80a and 80b of the cloth 80 bent as described above by the entrance plates 3 and 4 are moved to the guide plate 1.
1 and 12 in the opposite direction to the bending direction, and the cloth 80 is folded back by beds 9 and 10 containing electric heaters, entrance plates 3 and 4, and guide plates 11 and 12.
Folds 86 and 87 are formed on the wafer. The lengths of the folded portions 84 and 85 of the marking tape thus obtained can be arbitrarily selected by selectively setting the abutment position between the cam 21 and the driving piece 20 as shown in FIG. .

According to the experimental results of the present inventor, the following advantages could be obtained.

(1) By fixing the part of the band-shaped cloth 80 that straddles the position to be cut using the holding members 5 and 6, problems such as cloth rubbing during cutting are not caused, and the accuracy of the product is improved. You can improve your performance.

(2) The lengths of the folded portions 82, 84 and folded portions 83, 85 of the cloth 80 can be selectively adjusted using the dial knob 50 of the cam 21 interlocked with the entry plates 3, 4. This improves work efficiency and is extremely practical.

(3) At the same time as the operating lever 15 is used to lower the entry plates 3 and 4, the guide plates 11 and 12 are raised and the folded portions 82 and 84 and the folded portions 83, Since the folds 85 are formed, the positions of the folds 86 and 87 can be formed continuously and with high precision, and the reliability of the apparatus can be ensured.

(4) Just by rotating the operating lever 15, the strip of cloth 8
Since it is possible to perform zero cutting and bending, and the width of the name tape as a product can be freely set, work efficiency is significantly improved.

As another embodiment of the present invention, a lever 88 shown in FIG.
The tip of the cloth 80 may be connected to a chain or wire, for example, so that the cloth 80 can be cut and folded by stepping on it, or it can be used to drive an electric motor, solenoid, pneumatic cylinder, etc. The rotating shaft 17 may be configured to be rotated by a source.

Yet another embodiment of the invention is shown in FIG. In this embodiment, instead of the coil spring 24b wound around the cylinder 24, a connecting member 95 that connects the cylinders 24 to each other and a fixed position of the housing 18 are connected by a coiled constant force spring 96. It is. The unloaded condition of this constant force spring 96 is shown in FIG.
It is shown in FIG. In this way, the connecting member 95, and therefore the holding member 23, can be driven and displaced downward in FIG. 8 by simply applying a constant load parallel to the axis of the spring 96 with no load using the drive lever 15. As a result, operability can be further improved.

In another embodiment of the present invention, the beds 9 and 10 may be made of iron, stainless steel, or other materials to improve durability.
It may be made of a material such as copper, or a heat-resistant synthetic resin. When the beds 9 and 10 are made of heat-resistant synthetic resin, an electric heater is built into the support member 13 shown in FIG.
1 and 12 are heated.

Although cloth was used as the strip in the above embodiment, it may be made of paper, vinyl sheet, or other material.

Effects As described above, according to the present invention, a pair of beds are individually arranged on the sides of a swinging blade that moves up and down, and a pair of guide plates are individually arranged facing the mutually opposing surfaces of the beds. A pair of entry plates that can be individually entered into each gap between the guide plate and the bed are arranged above the guide plate, and a displacement amount selection means is provided for selectively setting the amount of displacement of the entry plates. As a result, it is possible to cut and bend the strip continuously and with high precision, and the bending width can be selectively set with a simple operation, improving work efficiency. Significantly improved. In addition, an arcuate surface having an axis perpendicular to the strip conveyance direction is formed between the mutually opposing surfaces of the bed and the surface facing the strip conveyance path, and the vicinity of the arcuate surface can be cooled by blowing out compressed air, for example. In addition, since the strip does not come into direct contact with the arcuate surface, the parts other than the bent portions of the strip that are compressed by the guide plate and the entry plate will not be bent, further improving the workability of sewing the strip. be done.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway side view of a device 1 for cutting and folding a strip according to the present invention, FIG. 2 is a front view thereof, FIG. 3 is a plan view thereof, and FIG. 4B is a sectional view thereof, FIG. 5 is a sectional view of the vicinity of the drive piece 20, FIG. 6 is an exploded perspective view of the components of the displacement means 14, and FIG. 7 shows the operating state of the device 1. 8 is a front view of another embodiment of the present invention, FIG. 9 is a diagram illustrating the operating state of the constant force spring 96, and FIG. 10 is a bed provided with cooling holes. FIG. 11 is a sectional view thereof. 1... Cutting and bending device, 2... Rocking blade,
3, 4... Entry plate, 5, 6... Holding member, 7...
... Lifting means, 8... Displacement amount selection means, 9b, 10
b... Arc surface, 11, 12... Guide plate, 13...
Supporting member, 14... Displacement means, 29, 30... Gap portion, 30... Band-shaped body.

Claims (1)

[Scope of Claims] 1. A pair of beds spaced apart from each other in the conveying direction of the strip; a pair of guide plates facing opposite sides of the beds and individually arranged; the guide plate and the bed; a pair of entry plates that can individually enter into each gap between the opposing surface of the bed and a means for cutting the strip in the width direction between the guide plates; 1. An apparatus for cutting and folding a strip, characterized in that an arcuate surface having an axis perpendicular to the conveying direction of the strip is formed across the facing surface. 2. The belt-shaped body cutting and folding device according to claim 1, wherein the bed or the guide plate is heated by a heater.