JPH1193060A - Beadgear frame device of sewing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the headgear frame device of a sewing machine, capable of easily tensing the embroidering area of the cap portion of a headgear, improving a processing quality, expanding the area to the side of a top surface portion and preventing the damage to the top surface portion. SOLUTION: This headgear frame device 1 of the sewing machine is used for embroidering the cap portion C of a headgear W, is inserted into the cap portion C, and has a pair of tension members 18 on the right and left sides of a cylindrical head 6. The tension members 18 are used for tensing the embroidering area A of the cap portion C in the circumferential direction of the cap portion C. Each tensing member 18 is provided with an elastic arm plate 34 whose top portion is formed in a laterally wide rectangular shape. Two round bars are disposed at a space on the upper surface of the top portion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hat frame device of a sewing machine for embroidering a cap portion of a hat.

[0002]

2. Description of the Related Art As shown in FIG. 9, a hat W is provided with a cap portion C to be put on the head and an eave portion P for preventing sunlight.
The cap portion C includes a peripheral surface portion Ca that is close to a cylindrical shape and a top surface portion Cb that is close to a spherical or conical shape. The embroidery processing range A for the cap portion C is not only the peripheral surface portion Ca but also the top surface portion Cb.
Often takes part of. Then, in order to support the embroidery processing range A directly above the tubular bed in an appropriate form,
A hat frame device is used.

[0003] For example, Japanese Patent Application Laid-Open No. 8-232160 discloses a conventional hat frame device 70 for a sewing machine. As shown in FIG. 10, the hat frame device 70 includes a rotating portion 72 for rotating the hat W in the circumferential direction of the cap portion C in front of the sewing machine frame 74, and a hat detachably attached to the rotating portion 72. A frame 71 and a guide plate 73 fixed to the sewing machine frame 74 are provided. Hat W is hat frame 71
Is set to the rotating section 72 via the. At this time, the guide plate 73 projects into the hat W and guides the embroidery processing range A in order to prevent the hat W from hanging down.

The guide plate 73 has a curved plate portion 73a constituting at least an upper surface portion, a pair of left and right side plate portions 73b extending downward smoothly and continuously from both left and right end portions of the curved plate portion 73a, and a central portion of the upper surface portion. And a front-rear direction slit 73c for passing the sewing machine needle. And FIG.
As shown in FIG. 11A, the guide plate 73 is protruded into the hat W, and as shown in FIG. 11B, by pushing the top surface portion Cb forward at the tip edge of the curved plate portion 73a, the embroidery processing area A is obtained. Are stretched linearly when viewed from the side of the sewing machine and curved when viewed from the front of the sewing machine.

[0005]

However, the curved plate portion 7
In the method in which the embroidery processing range A is tensioned in the direction of the vertex by pushing the top surface portion Cb at the tip edge of the tip 3a, tension is unlikely to be applied.
As shown in FIG. 1 (c), the embroidery processing may be hindered, and it may be difficult to expand the embroidery processing area toward the top surface Cb.

Further, when the hat W is rotated at high speed by the rotating portion 72 during the embroidery process, the top surface portion Cb is rubbed while being pushed by the leading edge of the thin curved plate portion 73a. It was easy to hurt.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, to make it easier to tighten the embroidery processing range of the cap portion of the hat, to improve the processing quality, and to expand the range to the top surface side. It is an object of the present invention to provide a cap frame device for a sewing machine that can prevent the top surface of the sewing machine from being damaged.

[0008]

In order to achieve the above object, a hat frame device for a sewing machine according to the present invention is a hat frame device for a sewing machine for performing embroidery processing on a cap portion of a hat. At least one pair of tension members that are inserted and tens the embroidery processing area on the cap portion in the circumferential direction of the cap portion are provided on the left and right sides of the cylindrical bed.

The hat is not particularly limited as long as it has at least the cap portion to be put on the head. The cap portion includes a peripheral surface portion that is close to a cylindrical shape and a top surface portion that is close to a spherical shape or a conical shape, and the embroidery processing range may be set to the peripheral surface portion, or from the peripheral surface portion to a part of the top surface portion. May be set. A feature of the present invention is that the embroidery processing range can be expanded to the top surface side.

The mode of tensioning by the tensioning member is not particularly limited, but the following can be exemplified. An aspect in which at least one pair of tension members makes line contact (or surface contact or point contact) with the inner surface of the cap portion in the height direction of the cap portion, and tensions the cap portion between the tension members in the circumferential direction. Can be exemplified. When the cap portion floats between the tension members and is tensioned, the cap portion is stretched in a substantially planar shape. When a guide member for guiding the cap portion in a substantially curved shape as viewed from the top of the head is provided between the two tension members, the cap portion is stretched in a substantially curved shape when the cap portion is tensioned.

[0011]

1 to 7 show a hat frame device 1 for a sewing machine according to an embodiment of the present invention. As shown in FIGS. 1 to 3, the sewing machine includes a sewing machine table 3 supported by a sewing machine frame (not shown), and a cylindrical bed 6 projecting forward from the sewing machine frame in a direction parallel to the arrow Y direction.
The upper surface of the sewing machine table 3 and the upper surface of the cylindrical bed 6 are set at substantially the same height. A guide rail 7 protrudes from a lower part of the base end side of the cylindrical bed 6 in parallel with the cylindrical bed 6, and the cap frame device 1 is supported on the guide rail 7 so as to be movable in the arrow Y direction. . A drive frame 4 extending in the direction of arrow X is provided on the sewing machine table 3, and the hat frame device 1 is moved by the drive frame 4.

A needle hole 8a is provided on the upper surface of the distal end side of the cylindrical bed 6.
There is provided a needle plate 8 provided with a hook, and a shuttle (not shown) in which a bobbin thread is wound is incorporated below the needle plate 8. A needle 9 is provided above the cylindrical bed 6 so as to be vertically movable on a sewing head (not shown). Then, the embroidery processing is performed on the cap portion C of the hat W held by the hat frame device 1 by cooperation of the needle 9 driven based on the embroidery data and the shuttle.

A first frame 10 extending in the direction of arrow X is fixed to the upper surface on the front end side of the drive frame 4 by protruding forward, and the front end of the first frame 10 is bent downward. Thus, an engagement rail portion 10a is formed. The engaging rail portion 10a is provided with an engaged rail 2 of the hat frame device 1 described later.
3. Also, the first frame 1
A second frame 11 extending in the direction of the arrow X is fixed to the upper surface on the front end side of the projection 0 by projecting forward. A wire 30 for rotating a rotating portion 17 of the hat frame device 1 described below is fixed to the second frame 11.

The hat frame device 1 includes an embroidery processing area A for the hat W.
In a proper form directly above the cylindrical bed 6. The base 16 is slidably provided in the direction of the arrow Y along the guide rail 7, and with respect to an axis parallel to the direction of the arrow Y. Rotating portion 17 rotatably provided on base portion 16
And a pair of tension members 18 projecting from the base 16 to the front of the rotating portion 17 through the inside of the rotating portion 17 and positioned on the left and right sides of the cylindrical bed 6, and the rotating portion 17 And a hat frame 19 which is detachably attached to the hat frame 19.

The base 16 has a substrate 20, and an engaged rail 23 slidably engaged with the engagement rail 10 a of the drive frame 4 is provided on the back surface of the upper end of the substrate 20. U at the center of the upper edge of the substrate 20 into which the cylindrical bed 6 enters.
A character concave portion 20a is provided. At the substantially center of the substrate 20, there is provided a vertically elongated rectangular hole 20b into which the guide rail 7 enters.
A slider 21 that slides along is projected forward. Rollers 2 are provided on the left and right sides of the U-shaped recess 20a and below the rectangular holes 20b so as to be rotatable about an axis parallel to the arrow Y direction.
2 are provided. When the drive frame 4 is driven in the Y direction, the base 16 is moved along the guide rail via the engagement rail 10a and the engaged rail 23.

The rotating section 17 is a thick first cylindrical body 2 surrounding the cylindrical bed 6, the guide rail 7 and the three rollers 22.
6 is provided. A groove 26a is provided in the inner peripheral wall of the first cylindrical body 26 in the circumferential direction, and three rollers 22 are rotatably fitted in the groove 26a, so that a base portion is formed with respect to an axis parallel to the arrow Y direction. 16 is provided rotatably. A thin second cylindrical body 27 is provided forward from the front end surface of the first cylindrical body 26, and the inner peripheral wall of the second cylindrical body 27 is substantially flush with the inner peripheral wall of the first cylindrical body 26. Is formed. Second cylinder 2
On an outer peripheral wall substantially in the longitudinal direction of the 7, three engaging rollers 28 for detachably holding the hat frame 19 are provided at substantially equal intervals, and an engaging member for positioning the hat frame 19 is provided. 29 is fixed. As shown in FIG. 3, a wire 30 is wound around the outer peripheral wall on the base end side of the second cylindrical body 27, and a substantially intermediate portion of the wire 30 is fixed to the outer peripheral wall below the second cylindrical body 27. It is fixed with the tool 32. Wire 3
0 is fixed to the right end of the second frame 11 of the drive frame 4 and the other end is fixed to the left end of the second frame 11 via a resilient member 31 (spring). The resilient member 31 is provided to prevent the wire 30 from loosening. When the drive frame 4 is moved in the X direction, the rotating portion 17 is rotated by the wire 30.

The tension member 18 is provided in the U-shaped recess 20 of the substrate 20.
A pair of elastic arm plates 34 are fixed to the left and right sides of a, respectively, and protrude forward from the rotating portion 17 through the inside of the rotating portion 17. The upper surface of the arm plate 34 is arranged along the inner surface of the rotating portion 17, and exerts an elastic force in a direction opposite to the center of rotation of the rotating portion 17.
The tip portion 34a of the arm plate 34 is formed in a horizontally wide rectangular shape. The upper surface of the distal end portion 34a is substantially flush with the outer peripheral wall surface of the second cylindrical body 27, and two round bars 35 are disposed at intervals in parallel with the arrow Y direction. The periphery of the upper surface of the distal end portion 34a and both end portions of each round bar 35 are rounded so as not to damage the inner surface of the cap portion C. In addition, the diameter of the round bar 35 on the cylindrical bed 6 side is larger than that of the other round bar 35 (this is an example, and is not limited thereto. May be reduced.).

The pair of tension members 18 are inserted into the cap portion C of the hat W, and the round bar 35 makes line contact with the inner surface of the cap portion C in the height direction of the cap portion C.
The embroidery processing range A to the cap C is tensioned in the circumferential direction between the tension members. At this time, the cap portion C is placed between the tension members.
Since the embroidery processing range A to the cap portion C is floated and tensioned, the embroidery processing range A to the cap portion C is stretched in a substantially planar shape.

As shown in FIG. 4, the hat frame 19 has a receiving frame 38 inserted inside the cap portion C or the sweat preventing portion B of the hat W, and the receiving frame 38 is a second cylindrical body of the rotating portion 17. 27 is provided with a base cylinder 54 which can be fitted to the outside, and a flange portion 39 provided substantially at the center of the length of the base cylinder 54 in the longitudinal direction. The second cylinder 2 is larger than the flange 39 of the base cylinder 54.
The engagement recess 40 for engaging the engagement member 29 of the rotating part 17 is provided on the edge on the side of the rotary member 17.
Is provided with an engagement hole 41 that engages with the first hole. A curved plate 42 that is curved in an arc shape along the inner peripheral edge of the receiving frame 38 extends from the flange portion 39 of the base cylinder 54 to the side opposite to the second cylinder. A large number of teeth 43 are provided on the tip edge of the curved plate 42 in the direction of the arrow Y so as to be able to bite into the cap portion C or the sweat stop portion B. These teeth 43 bite from the inside of the cap portion C into the seam portion 44 of the cap portion C, the sweat preventing portion B, and the eave portion P of the hat W (FIG. W is not displaced.

A pair of left and right poles 45 are provided upright from the lower end of the receiving frame 38 of the flange portion 39. In FIG. 4, a holding body 46 is rotatably supported via a connecting member 47 on the base end side of the left pole 45. Presser body 46
Is formed by using an elastic material, and can be wound around the outer periphery of the receiving frame 38. The cap is wound around the outer side of the receiving frame 38 with the cap portion C or the sweat preventing portion B therebetween. The part C or the sweat stop part B is pressed so as not to shift. From both ends of the front edge of the pressing body 46, a large number of teeth 46a that can bite from the outside of the cap portion C to the seam portion 50 of the cap portion C and the sweat preventing portion B are provided. The holding body 46 is formed with a horizontally long slot 46 b through which the eaves P of the hat W passes.
A large number of teeth 46c that can bite from the outside of the cap portion C to the seam portion 51 between the eaves portion P and the cap portion C of the hat W are provided from the middle portion of the front edge of 6b. A stopper 48 with a tightening mechanism is provided on the free end side of the presser body 46 so that it can be hooked on a hook 49 provided on the base end side of the right pole 45 in FIG. Has become. A pipe member 52 made of hard resin is rotatably attached to the pole 45 from substantially the middle in the length direction to the tip thereof, and a rear portion of the cap C is fixed to the pipe member 52 with a clip 53. .

Next, the hat frame device 1 configured as described above
How to use will be described. (1) The hat frame 19 is fixed to a jig (not shown). The presser body 46 has the stopper 48 removed from the hook 49, and is kept in an expanded state.

(2) The sweat-stopping part B of the hat W is replaced with the cap part C.
Then, the eaves portion P is placed on the receiving frame 38 and the pole 45 in a state where the eaves portion P faces the side opposite to the pole of the receiving frame 38. At this time, the teeth 43 provided on the receiving frame 38 are cut into the seam 44 of the eaves portion P, the sweat preventing portion B, and the cap portion C.

(3) While pressing the eaves portion P through the elongated hole 46b of the holding body 46, the holding body 46 is wound from above the sweat preventing portion B and the cap portion C. At this time, the teeth 46a and 46c provided on the presser body 46 are cut into the seam portions 50 and 51 between the cap portion C and the eaves portion P or the sweat stopper B. Then, the stopper 48 is hooked on the hook 49 and tightened to stop. Then, the teeth 43 provided on the receiving frame 38 and the teeth 46a and 46c provided on the presser body 46 bite into the hat W and hold the hat W securely so as not to shift.

(4) With the back side of the cap portion C pulled backward to remove the slack in the embroidery processing range A on the cap portion C, the back side of the cap portion C is clipped 53 to the pipe member 52 of the pole 45. Stop at By removing the slack in this manner, differences in the perimeter and shape of the cap portion C can be absorbed, and the embroidery processing range A on the cap portion C can be easily tensioned.

(5) The cap frame 19 is removed from the jig, and the cylindrical bed 6, the tension member 18 and the guide rail 7 are inserted into the receiving frame 38, and the engaging recess 40 of the receiving frame 38 is rotated. By engaging each engagement roller 28 with the corresponding engagement hole 41 while engaging with the engagement member 29 of 17, the cap frame 19 is mounted on the rotating portion 17. At this time, as shown in FIG. 6, the embroidery processing range A on the cap C disposed between the tension members 18 is tensioned by the round bar 35 in the circumferential direction of the cap C in a planar manner.

(6) The drive frame 4 according to the embroidery data
Is moved in the direction of the arrow X, the turning portion 17 is turned by the wire 30 connected to the drive frame 4. At this time,
The embroidery processing area A on the cap portion C moved above the cylindrical bed 6 is always in a planar tension state by the round bar 35 of the tension member 18. FIG. 7 shows a state in which the drive frame 4 has been moved to the left, and the rotating unit 17 has been rotated 90 ° counterclockwise. When the drive frame 4 is moved in the direction of the arrow Y according to the embroidery data, the hat W is moved relative to the cylindrical bed 6 in the direction of the arrow Y together with the hat frame device 1. The needle 9 driven in conjunction with the movement of the drive frame 4
The embroidery process is performed in the embroidery process range A on the cap portion C in cooperation with the shuttle (not shown).

According to the cap frame device 1 of the sewing machine configured as described above, the tension member for tensioning the embroidery processing range A on the cap portion C disposed above the cylindrical bed 6 in the circumferential direction of the cap portion C. Since the embroidery portion 18 is provided, the embroidery processing range A including a part of the top surface portion Cb having a substantially spherical shape or the like can be tensioned in a planar shape. Unlike the related art, the embroidery processing range A can be expanded to the top surface Cb side without causing the boundary between the peripheral surface portion Ca and the top surface portion Cb to rise and hindering the embroidery processing. Embroidery processing can be performed at a constant quality.

Since the tension member 18 tensions the cap portion C in the circumferential direction of the cap portion C, for example, even when the depth of the cap portion C is different, the degree of tension is hardly affected, and the embroidery processing range A is reduced. Easy to nervous. Therefore,
Embroidery processing quality can be improved.

Further, the round peripheral wall of the round bar 35 makes linear contact with the inner peripheral surface of the cap portion C in the height direction of the cap portion C, and the contact portion moves with the rotation of the cap portion C. (It does not keep in contact with the same part of the cap part C), so that a part of the inner surface of the cap part C is not intensively damaged.

It should be noted that the present invention is not limited to the configuration of the above-described embodiment, and can be embodied by appropriately changing the scope of the invention as follows, for example, as follows. (1) Changing the arm portion of the arm plate 34 to another elastic member such as a bar or a spring.

(2) The arm plate 34 is made detachable, and one having different elasticity and length is prepared. The thickness of the cap C, the quality of the cloth (hardness, softness, etc.), the depth Replace them as appropriate for use. This makes it possible to support various hats.

(3) The size of the tip portion 34a of the arm plate 34 and the thickness, length or number of the round bars 35 are varied. (4) Instead of the round bar 35, a ridge is formed integrally with the tip portion 34a of the arm plate 34.

(5) By providing a projecting point instead of the round bar 35 at the distal end 34a of the arm plate 34, a point contact with the inner surface of the cap C is made. The method of providing the protruding point is not particularly limited, and examples of the method include providing a protruding member at the distal end portion 34a or forming the protruding member integrally. In addition, the number of projecting points is not particularly limited, and an arbitrary number of projecting points can be appropriately provided. (6) The round bar 35 is not provided at the distal end portion 34a of the arm plate 34, and the upper surface of the distal end portion 34a is brought into surface contact with the inner surface of the cap portion C, or the edge is brought into linear contact.

(7) The tip 34a of the arm plate 34 is made detachable, and the size of the tip 34a
The thickness, length or number of the caps C, etc. should be prepared, and be replaced appropriately according to the thickness of the cap part C, the quality (hardness, softness, etc.), depth, etc. of the cloth. As shown in FIG. 8, a mounting hole 34b on the arm portion side of the arm plate 34 is provided.
Is a long hole extending in the arrow Y direction, so that the tip 3
The mounting position of the arm 4a to the arm portion may be configured to be adjustable in the direction of the arrow Y (the mounting hole 34c on the side of the distal end portion 34a may be an elongated hole. Also, the mounting position may be set in the direction orthogonal to the direction of the arrow Y). It may be adjustable.) This makes it possible to support various hats.

(8) Two or more pairs of tension members 18 are provided on the left and right sides of the cylindrical bed 6. Accordingly, for example, when the cap portion C is formed of a soft material such as wool, the tension can be applied to the cap portion by dispersing the tension force to the two or more tension members 18, and the cap portion C can be damaged or deformed. Can be prevented. (9) A guide member for guiding the cap portion C in a substantially curved shape as viewed from the top of the head is disposed between the tension members so that the embroidery processing range A on the cap portion C is substantially curved. To be stretched.

[0036]

As described above in detail, according to the hat frame device of the sewing machine according to the present invention, the embroidery processing range of the cap portion of the hat can be easily tensioned, and the processing quality can be improved. The same effect can be obtained that the range can be expanded toward the top surface and the top surface can be prevented from being damaged.

[Brief description of the drawings]

FIG. 1 is a side view showing a hat frame device of a sewing machine according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state where a hat frame of the hat frame device is removed.

FIG. 3 is a front view showing a state where the hat frame of the hat frame device is removed.

FIG. 4 is a perspective view showing a hat frame of the hat frame device.

FIG. 5 is a view showing a hat mounted on the hat frame device.

FIG. 6 is a front view showing a state where the hat of the hat frame device is mounted.

FIG. 7 is a front view showing another state in which the hat of the hat frame device is mounted.

FIG. 8 is a perspective view showing a modification of the tension member of the hat frame device.

FIG. 9 is a side view showing the hat.

FIG. 10 is a perspective view showing a conventional hat frame device.

FIG. 11 is a view showing the operation of the hat frame device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hat frame device 6 Tubular bed 18 Tension member W Hat C Cap part Ca peripheral part A Embroidery processing range

Claims (1)

[Claims] 1. A cap frame device of a sewing machine for embroidering a cap portion of a hat, wherein the cap frame device is inserted into the cap portion and at least tensions an embroidery process range on the cap portion in a circumferential direction of the cap portion. A cap frame device for a sewing machine, wherein a pair of tension members are provided on left and right sides of a cylindrical bed.