JPS6314788Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Field of Use The present invention relates to a device for raising edges of cut ends of towel fabric.

Structure of conventional example and its problems To manufacture towels, towel fabric is cut out one by one from a long raw material, and the cut end 1 of the towel fabric A is folded back and folded in half as shown in Figure 1. After that, fold this two-fold part B back onto the towel fabric A to form a three-fold part C.
Next, the tri-folded portion C is sewn with sewing thread 3, but there is a problem in that the corner portions 2 on both sides tend to protrude outward from the tri-folded portion C, which impairs the aesthetic appearance and lowers the product value.

The object of the present invention is to provide a selvage device for cutting edges of towel fabric that solves the above-mentioned problems.

Means for Solving the Problems In order to solve the above-mentioned problems, the selvage device for the cut end of towel fabric of the present invention is designed to place the towel fabric at a position above the cut edge of the towel fabric on a conveying table that supports the towel fabric cut to an appropriate length. A presser foot is provided that can be raised and lowered, and a driving means is provided that lowers the towel presser and presses the lower edge of the towel presser against the towel fabric cutting edge. is provided with a lug blade whose lower edge is biased so as to protrude downward from the lower edge of the towel holder,
A guide means is provided for guiding the selvage blade toward the outside of the towel fabric when the selvage blade is raised relative to the towel holder.

Function In the above configuration, when the towel presser is lowered by the driving means, the lower edge of the towel presser hits the towel fabric cutting edge, and the lug blades on both sides of the lower edge of the towel presser resist the force and move relative to the towel presser. When raised, the selvedge blade is guided outward in the width direction of the terry cloth, and stretches the terry cloth outward.

Embodiment An embodiment of the present invention will be described below based on the drawings from FIG. 2 onwards. Fig. 2 is a front view showing the overall configuration, Fig. 3 is a cross-sectional front view of main parts at the center of Fig. 2, Fig. 4 is a partially omitted plan view taken in the direction of - arrow in Fig. 2, and Fig. 5. 2 is a partially omitted side view taken from the - arrow direction in FIG. 2, FIG. 6 is a schematic diagram for explaining the entire interlocking mechanism in FIG. 2, and FIGS. 7 to 12 are explanations showing the trifold procedure. 13 is a front view of the upper selvage device, FIG. 14 is a front view of the lower selvage device, and FIG. 15 is a perspective view of the terry cloth.

In FIG. 2, reference numeral 11 denotes a conveying table, and the towel fabric A, which has been cut to a certain length at the cutting section, is supported by the table 11 and conveyed by a conveying device constituted by a suitable guide and drive device. This conveyance table 11 has a polished polishing plate A arranged on its upper surface, and is configured to make the towel cloth A slippery. Further, on the side of the table 11, the main part of a tri-folding device for folding the cut end portion of the fed towel fabric A into three is provided.

The outline of the main parts of this tri-folding device will first be explained using the schematic diagram of FIG. In Figure 6, 1
Reference numerals 2 and 13 denote a pair of upper and lower slit forming members arranged close to the end of the table 11, and the width direction (depth direction in FIG. 6) thereof is arranged parallel to the cut end of the towel fabric A. ing. Reference numeral 18 designates an insertion plate for folding the cut end of the towel fabric A in half and inserting it into the slit portion 43 formed in the slit forming members 12 and 13. Reference numeral 16 denotes a cylinder that operates to insert or extract the insertion plate 18 into or out of the slit portion 43 of the slit forming members 12 and 13, and the movable table 1 is connected and fixed to the piston rod of the cylinder.
7 and the undulating plate 49 to drive the insertion plate 18. A cylinder 19 operates the insertion plate 18 to swing up and down, and is installed on the movable table 17 to drive the undulating plate 49. 14 is a slit forming member 1
The horizontal table 30 on which the slit forming members 12 and 13 are mounted is raised and lowered via the lifting shaft 28, and the shaft body 26 is moved up and down before the lifting shaft 28 is raised. Only the upper slit forming member 12 is rotated upward through the upper slit forming member 12. Reference numeral 15 denotes a cylinder that attaches only the lower slit forming member 13 to the table 11 and operates it to move in and out, and is engaged with a rack 38 formed on a horizontal shaft 34 fixed to the lower slit forming member 13. By rotating the pinion 37, the horizontal shaft 34 is moved horizontally, and the lower slit forming member 1 is
3 to leave.

Next, the details will be explained mainly with reference to FIG.
In FIG. 2, reference numeral 20 indicates a towel holder disposed above the end of the conveying table 11 corresponding to the slit forming members 12 and 13 in parallel to the width direction of the slit forming members 12 and 13; Correspondingly, there is a pushing and spreading mechanism provided at the bottom of the table 11, the details of which will be described later. 22 is table 1
1, the cylinder 14 is fixed to the lower surface of this plate 22, and the third
As shown in the figure, an elevating plate 25 that moves up and down along a guide shaft 24 is fixed to the piston rod 23. As shown in FIG. 3, the shaft body 26 is inserted into a through hole formed in the elevating plate 25, and a flange portion formed at a suitable position in the center is placed on the elevating plate 25. As shown more clearly in FIG. 3, 27 is a plate having a through hole formed at a suitable position at one end and fitted onto the small diameter portion of the lower end of the shaft body 26 so as to be able to rise and fall freely within a certain small range, and the screw of the small diameter portion of the lower end of the shaft body 26 It is prevented from coming off the shaft body 26 by a nut screwed into the part. The lifting shaft 28 is erected on the other end of this plate 27, and is attached to the holding cylinder 2 fixed to the plate 22.
9 so that it can be raised and lowered freely. This lifting shaft 2
The horizontal stand 30 is fixed to the upper end of the horizontal stand 30, and the upper slit forming member 12 of the slit forming members placed on the horizontal stand 30 is fixed to the side edge of the horizontal stand 30 as shown in FIG. Hinge 4 on upright piece 41
2, and the upper end of the shaft 26 passes through a horizontal base 30 and faces the lower surface of the upper slit forming member 12, as shown more clearly in FIG. Also, the lower slit forming member 1
3 is a support plate 3 in which the horizontal shaft 34 fixed to extend from the lower slit molded member 13 to the side opposite to the table 11 extends from the horizontal table 30;
The structure is such that it is placed on a horizontal table 30 by being supported by two bearings 33 (more clearly shown in Figure 4) installed on the lower slit Member 13 and horizontal stand 30
A space portion 31 is formed between the two. When the piston rod of the cylinder 14 is at the most extended position, the upper slit forming member 12 is rotated upward via the shaft 26 to open the horizontal table 3.
As shown in FIG.
The slit portion 43 is lowered to a position where it abuts the slit portion 2, and is formed between the towel fabric slip-out prevention members 44 provided on the opposing surfaces of the slit forming members 12 and 13, respectively.
is located corresponding to the upper surface of the table 11, as shown in FIG. Further, as clearly shown in FIG. 3, a leaf spring 60 is fixed to the lower part of the lower slit forming member 13, and a space 31 is formed between the lower slit forming part 13 and the horizontal table 30. placed within. A pressing head 72 is attached to the tip of this leaf spring 60.
As will be described later, the two-fold portion B of the towel fabric A is further folded into three folds.

In FIG. 2, 35 is between the bearings 33 and the horizontal shaft 3.
4 is rotatably supported by a bearing 36 installed on a support plate 32 extending from the horizontal table 30 with a shaft disposed perpendicular to the horizontal axis 34 (more clearly shown in FIG. 4). The pinion 37 is fixed to the shaft 35 and meshes with the rack 38 formed on the lower surface of the horizontal shaft 34. Furthermore, an arm 39 that projects downward is fixed to one end of the shaft 35, and the lower end of this arm 39 is connected to the piston rod of the cylinder 15 via a connector 40, and this cylinder 15 is connected to the table 11 in a vertical direction. The arm 39 is swingably mounted and is expanded and contracted by the cylinder 15.
The rotation of the shaft 35 causes forward and reverse rotation at a constant angle, and the horizontal shaft 35 is rotated through the pinion 37 and the rack 38.
4 is moved in the directions of arrows A and C, and only the lower slit forming member 13 is moved in and out of the table 11.

In FIG. 2, reference numeral 45 denotes a guide rail that is disposed above the plate 22 and fixed to the plate 22 via a connecting rod 75, and the moving platform 1
7 is provided thereon so as to be movable in the directions of arrows RO and C, and a connecting fitting 47 connected to the piston rod of the cylinder 16 attached to the lower surface of the guide rod 45 has a pin as shown in FIG. 46
are connected via. The undulation plate 49 is supported by a block on the upper surface of the movable table 17 via a hinge 48, and a downward plate 50 is attached to the tip of the undulation plate 49.
The insertion plate 18 is fixed via. The cylinder 19 is attached to the movable table 17 so as to be vertically swingable, and its piston rod is connected to the central rising portion of the undulating plate 49 with a pin. Further, the insertion plate 18 is formed by bending a belt-shaped metal plate longer than the width of the towel cloth A into a substantially U-shaped cross section.
When the piston rod 9 is extended, the insertion plate 18a at the bottom of the tip is configured to press the towel fabric A against the table 11.

In FIG. 2, reference numeral 51 denotes a stopper that is removable from a connecting fitting 47 connected to the piston rod of the cylinder 16, and as shown in FIGS. 3 and 4, a shaft 52 provided at the base of the stopper It is supported by and is configured to be freely rotatable in the directions of arrows H and T. 53 is a rocking ring whose center part is rotatably supported by the plate 22 and can swing in the vertical direction;
One end thereof is pin-connected to the tip of the stopper 51 via a connecting rod 54. Reference numeral 55 is a shaft whose lower end is fixed to the plate 27 and whose upper end passes through the plate 22 in a vertically movable manner, and a retaining pin 59 is attached to the upper end. It fits into the elongated hole 57 at the other end.
Reference numeral 58 denotes a spring fitted onto the shaft 55 between the lower surface of the plate 22 and the pin 56 of the shaft 55;
is biased in the direction of pushing down. With this configuration, when the piston rod of the cylinder 14 contracts and the shaft 55 descends together with the plate 27, the stopper 51 rotates in the direction of arrow T via the swing link 53 and the connecting rod 54. Therefore, from this state, cylinder 1
Even if the piston rod of 6 is extended, the connection fitting (4
(1) hits the stopper 51 and is prevented from being fully extended. At this time, the positional relationship between the insertion plate 18 and the conveyance table 11 is as shown in FIG. When the piston rod of the cylinder 14 extends, the stopper 51 rotates in the direction of the arrow, and the piston rod of the cylinder 16 is allowed to extend to its maximum extent, and the positional relationship between the insertion plate 18 and the table 11 when the piston rod of the cylinder 16 is fully extended. The state will be as shown in FIGS. 2 and 3.

In FIG. 2, the towel holder 20 is supported by a guide shaft 62, and the slit forming member 12,
13, and has a structure in which it is moved up and down with respect to the conveying table 11 by a cylinder 61 shown in FIG. At the bottom end is a rubber plate 6 that presses the edge of the trifold part C of the towel fabric A.
3 is installed. As shown in FIGS. 5 and 13, both ends of the towel presser 20 have oblique elongated holes 64 that pass through bolts 65 provided on the towel presser 20, so that the towel presser 20 is diagonally up and down with respect to the towel presser 20. A movable selvage blade 66 is attached, and the lower part of the selvage blade 66, which becomes rough due to the downward force of a spring 67, protrudes below the towel holder 20, and the towel holder 20 is held against the towel fabric A. When pressed against the tri-folded portion C, the edge protruding blade 66 recedes diagonally upward, and at this time pushes both ends of the upper surface of the tri-folded portion C outward on both sides in the width direction. Further, as shown in FIG. 5 and FIG.
A selvage blade 69 is installed in a long hole 68 provided at a position substantially corresponding to the selvage blade 66 of No. 0 so as to be movable vertically and in the longitudinal direction. The raised edge blade 69 is horizontally moved in the same direction as the edge edge blade 66 of the towel holder 20 by a cylinder 71. The spreading mechanism 21 pulls both sides of the lower surface of the two-folded portion B of the towel fabric A outward in the width direction to make it tense.

Hereinafter, the operation of the above configuration will be explained based on FIG. 2 and with reference to FIGS. 7 to 14. The conveyance table 11 is located between the cutting section and the sewing section of the terry cloth, and the terry cloth A cut to a certain size is fed onto the table 11 by the conveyance device. At this time, the piston rods of each cylinder 14, 15, 16, 19 are contracted, the slit forming members 12, 13 are in the lowered position and closed, and the first slit 43 is in a position corresponding to the upper surface of the table 11.
The insertion plate 18 rises and retreats to the side of the table 11, the towel presser 20 waits at the raised position, and the towel fabric A is placed so that its end rests on the slit forming member 12 for a predetermined length. For example, the end portion is lifted by an inclined plate (not shown) and supplied onto the table 11. Next, when the piston rod of the cylinder 16 is extended, the piston rod extends until it hits the stopper 51, and the moving table 17 moves in the direction of arrow B.
An insert plate 18 is brought above the table 11. Next, when the piston rod of the cylinder 19 is extended, the undulating shape 49 rotates in the direction of arrow D using the hinge 48 as a fulcrum, and the insertion piece 18a of the horizontal part of the insertion plate 18
presses towel Jime A onto table 11 and
It will be in the state shown in the figure. Next, when the piston rod of the cylinder 16 is contracted, the insertion piece 18 as shown in FIG.
a enters into the slit portion 43 while pulling in the towel fabric A. As a result, the edge of towel fabric A is
It is folded into two within the slit portion 43.

Next, when the piston rod of the cylinder 16 is extended again until it hits the stopper 51, only the insertion piece 18a is pulled out, leaving the folded portion B in the slit portion 43. In this state, the tip of the insertion piece 18a remains within the folded portion B. Therefore, the piston rod of the cylinder 19 is reduced and the insertion piece 18a is
After rotating the cylinder in the direction of arrow H, turn the cylinder 19 again.
When the piston rod is extended and the insertion piece 18a is rotated in the direction of arrow 2, the tip of the insertion piece 18a presses a part of the upper surface of the folded part B against the table 11 as shown in FIG. I can do it. Next, the cylinders 70 and 71 of the pushing-spreading mechanism 21 are operated, and the take-out blade 69 pushes both sides of the lower surface of the bi-folded portion B outward in the width direction. Next, when the piston rod of the cylinder 14 is extended, the shaft body 26 is pushed up,
First, the upper slit forming body 12 is rotated toward the hinge 42 as a fulcrum and opened, and the clamping of the bifold portion B is released, and there is some play between the shaft body 26 and the plate 27. , then the shaft body 2
6 is pushed up, the plate 27 is pushed up with a slight delay, and the horizontal table 30 is lifted up via the lifting shaft 28.
and both slit forming members 12, 13 rise,
As shown in FIG. 10, the lower slit forming member 13
As a result, the folded portion B is bent upward, and the bent portion is supported by the pressing head 72. Further, as the plate 27 is pushed up, the shaft 55 is also pushed up, and the stopper 51 is rotated in the direction of the arrow via the swing link 53 and the connecting rod 54. Next, when the piston rod of the cylinder 15 is extended, the pinion 37 rotates clockwise via the arm 39, and the horizontal shaft 34 moves in the direction of arrow B via the rack 38, causing the lower slit forming member 13 to rotate.
Then, the pressing head 72 moves above the table 11, and as shown in FIG. 11, the pressing head 72 bends the bi-folded portion B using the tip of the insertion piece 18a as a fulcrum to form a tri-folded portion C. Ru. Next, when the piston rod of the cylinder 16 is further extended, since the stopper 51 has rotated downward, the piston rod is fully extended, and the insertion plate 1
The tip of 8a is extracted from the trifold portion C.
Next, the piston rod of the cylinder 19 is reduced, the insertion plate 18 is rotated in the direction of arrow H, and the cylinder 16 is
The piston rod is reduced and the insertion plate 18 is moved back in the direction of arrow C, thereby opening the upper part of the table 11. Next, the towel presser 20 is lowered by the cylinder 61 in FIG. spread. As a result, both corner portions 2 of the cut end portion 1 of the towel fabric A shown in FIG. 15 are accommodated in the width direction.
The trifold portion C becomes as shown in FIG. Next, the towel fabric A is sent to the sewing section by the conveying action of the towel presser 20, and the trifold portion C is sewn.

Effects of the invention As described above, according to the invention, when the towel holder is lowered by the driving means, the lower edge of the towel holder hits the cutting edge of the towel fabric, and the lug blades on both sides of the lower edge of the towel holder resist the force. When raised relative to the towel presser, the selvage blade is guided outward in the width direction of the towel cloth, and stretches the towel cloth outward. Therefore, when the cut edge of towel fabric is folded in three and sewn,
The corner parts on both sides of the cut end of the towel fabric do not protrude outward from the trifold part, do not impair the aesthetic appearance, and have high commercial value.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a trifold portion of a conventional towel cloth, Figs. 2 to 15 show an embodiment of the present invention, Fig. 2 is a front view of the overall configuration, and Fig. 4 is a partially omitted plan view taken in the direction of the − arrow in FIG. 2; FIG. 5 is a partially omitted side view taken in the − arrow direction of FIG. 2; and FIG. 7 to 12 are explanatory diagrams showing the procedure for folding into three, and FIG. 13 is a front view of the upper edge extraction device.
FIG. 4 is a front view of the lower selvage device, and FIG. 15 is a perspective view of the towel fabric. 2... Corner parts on both sides, 11... Conveyance table,
20... Towel holder, 61... Cylinder, 64...
...Elongated hole, 65...Bolt, 66...Eared blade.

Claims (1)

[Scope of utility model registration request] A towel holder is movably provided above the cutting end of the toweling material on a conveyance table that supports the toweling material cut to an appropriate length, and the towel holder is lowered to press the lower edge of the towel holder against the cutting end of the toweling material. A driving means is provided, and a lug blade is provided on both sides of the lower edge of the towel presser, which is movable up and down, and which is normally biased so that the lower edge protrudes below the lower edge of the towel presser. A selvage device for cutting edges of towel fabric, characterized in that the selvage blade is provided with a guide means for guiding the selvage blade outward in the width direction of the towel fabric when the selvage blade is raised relative to the towel holder. .