JP3583200B2 - Holding frame support device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a holding frame support device for supporting a holding frame in a state in which a setting operation is facilitated when setting a cylindrically sewn material such as a hat on the holding frame.
[0002]
[Prior art]
Conventionally, in this type of apparatus, a support ring for mounting a holding frame on which a sewing object such as a hat is set is fixed to a front surface of a plate-shaped base. This base can be attached to a sewing machine table, for example. In order to set the workpiece on the holding frame, the holding frame is mounted on the support ring while the base is mounted on a sewing machine table or the like.
The types of the holding frame include those for sewing only the front portion (a portion corresponding to the forehead) when the sewn object is a hat, and sewing for almost the entire side peripheral surface of the hat. There are things to do. In the latter holding frame, after setting the front part of the hat to be sewn on the upper surface side of the outer peripheral surface, stop the back side with a clip etc. on the lower surface side of the holding frame to stretch the side peripheral surface of the hat. ing.
[0003]
[Problems to be solved by the invention]
However, when the rear side of the sewn hat is fixed to the lower side of the holding frame, that point becomes a blind spot for the worker, and the worker must lower his posture by bending his waist etc. Poor workability.
[0004]
A first object of the present invention is to set a place to be sewn on the upper surface side when setting a sewn object on the lower surface side of the holding frame in order to sew almost the entire side peripheral surface of the sewn object. It is to make work easier.
A second object of the present invention is to provide a holding frame for sewing on a part of a side peripheral surface of a sewn object and a holding frame for sewing substantially the entire side peripheral surface of the sewn object. On the other hand, a holding frame support device can be used with only one type.
[0005]
[Means for Solving the Problems]
According to a first aspect of the present invention, in a holding frame support device, a support ring on which a holding frame for setting a cylindrically sewn object can be mounted can be rotated about an axis with respect to a base fixed at a predetermined position. And is provided so as to be lockable at a predetermined rotational position.
Therefore, when setting the sewing object on the lower surface side of the holding frame, the operator rotates the support ring together with the holding frame so that the set position is positioned on the upper surface side and locks, and the operator can sew in a natural working posture. Can set things.
[0006]
According to a second aspect of the present invention, in the holding frame support device of the first aspect, a guide member for adjusting a shape of a workpiece and supporting the holding frame is detachably provided to the support ring. .
Therefore, depending on whether the holding frame is to sew on a part of the side peripheral surface of the workpiece or to sew almost the entire side peripheral surface of the workpiece, the guide member is supported by a support ring. Can be exchanged for For this reason, only one type of holding frame support device is required simply by arranging guide members according to the type of holding frame.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described.
FIG. 1 is a configuration diagram showing a holding frame support device, and FIG. 2 is a cross-sectional view of FIG. 3 is a left side view of FIG. 1, and FIG. 4 is a sectional view of FIG.
A bracket 14 is fixed to an upper portion of a back surface of the base 12. The bracket 14 has, for example, a U-shape that can be assembled to the edge of the sewing machine table 10. By tightening a bolt 16, the upper inner surface of the bracket 14 and the upper and lower surfaces of the sewing machine table 10 are fixed. Can be pinched and fixed.
[0008]
As is apparent from FIG. 2, a support shaft 24 is provided through substantially the center of the base 12, and a boss 22 formed at the center of the support ring 20 is rotatably supported by the support shaft 24. Have been. The bases 12 and the support ring 20 are positioned by the collars 25 fixed to both ends of the support shaft 24 so that the base 12 and the support ring 20 do not relatively play in the axial direction.
A portion on the front end side of the outer periphery of the support ring 20 is a mounting portion 26 that is one step lower than other portions, and a holding frame 50 described later can be mounted here. An end of a cylindrical guide member 38 is inserted into the inner periphery of the support ring 20. The guide member 38 is detachably fixed to the support ring 20 by screws 39 at three locations in the circumferential direction as shown in FIGS.
[0009]
A positioning member 36 for positioning the holding frame 50 mounted on the mounting portion 26 is fixed to the upper center of the outer periphery of the support ring 20. Similarly, a clamp 30 and a leaf spring 35 are provided on the left and right sides of the positioning member 36 on the outer periphery of the support ring 20, respectively.
Each of the clamps 30 has a configuration in which an intermediate portion of a lever 31 is supported by a shaft 32 with respect to a support ring 20, and an engaging member 34 is fixed to a distal end portion of the lever 31. The lever 31 receives a biasing force in the rotating direction of constantly pressing the engaging member 34 against the outer peripheral surface of the support ring 20 with the shaft 32 as a fulcrum. On the other hand, the leaf spring 35 exerts a force in the direction of pushing the holding frame 50 to the left in FIGS.
[0010]
The lock mechanism 40 for locking the support ring 20 at a predetermined rotational position with respect to the base 12 will be described. The support portion 13 is integrally formed on one side (the right side in FIGS. 3 and 4) of the base 12. Here, a lock shaft 44 is slidably supported in the axial direction. As shown in FIG. 4, engagement holes 27 and 28 are respectively formed on the side walls of the support ring 20 at locations that are opposed to each other in the circumferential direction (locations having a 180 ° interval). A large-diameter distal end portion 45 of the lock shaft 44 can be selectively engaged with these engagement holes 27 and 28.
[0011]
FIG. 5 shows a part of FIG. 4 in an enlarged sectional view. As is apparent from this drawing, a hollow bolt-shaped bearing 41 is fixed to the support portion 13 of the base 12 by tightening a nut 43 to its male screw. The lock shaft 44 is slidably inserted into the bearing 41, and a knob 46 is fixed to the outer end of the lock shaft 44 by screwing. A pin 47 that enters one of a plurality of (two to four) notches 42 formed on the outer periphery of the bearing 41 is fixed to the knob 46.
[0012]
A spring 48 is provided on the shaft of the lock shaft 44 between a tip portion 45 of the lock shaft 44 and an end surface of the bearing 41. Due to the spring 48, the lock shaft 44 receives a biasing force in a direction for engaging the distal end portion 45 with one of the engagement holes 27 and 28. For example, when the distal end portion 45 of the lock shaft 44 is engaged with the one engagement hole 27 as shown in FIG. 5A, the support ring 20 is locked at the rotational position with respect to the base 12. . In this locking, the urging force of the spring 48 acting on the lock shaft 44 is received by the tip of the pin 47 hitting the support 13 of the base 12.
[0013]
In order to release the lock by the lock mechanism 40, the knob 46 is pulled against the force of the spring 48, so that the distal end portion 45 of the lock shaft 44 is disengaged from the engagement hole 27 as shown in FIG. At the same time, the pin 47 is pulled out of the notch 42 of the bearing 41. Here, by slightly rotating the lock shaft 44 around its axis and displacing the position of the pin 47 and the notch 42, the urging force of the spring 48 acting on the lock shaft 44 causes the distal end of the pin 47 to bear the bearing 41. It is received by hitting the end face of. In this state, the support ring 20 can be freely rotated with respect to the base 12.
The lock mechanism 40 includes, for example, an engagement recess formed at the engagement holes 27 and 28 of the support ring 20 and a spring member attached to the base 12 and selectively engaged with the engagement recess. May be used instead.
[0014]
FIG. 6 is a perspective view showing a holding frame 50 for performing sewing on almost the entire side peripheral surface of a sewing object such as a hat. The holding frame 50 includes, for example, a cylindrical receiving frame 50A on which an opening of a hat (cap) is put, and a band-like pressing body 50B for holding the outer periphery of the opening of the hat by pressing the receiving frame 50A. .
The receiving frame 50A can be attached to the mounting portion 26 of the support ring 20, and a concave portion 52 into which the positioning member 36 of the support ring 20 enters is formed at the rear end of the upper center. The receiving frame 50A also has a hole (not shown) in the support ring 20 with which the engaging members 34 of the clamps 30 are engaged. In addition, a block 53 for determining the setting position of the hat in the front-rear direction is fixed to the upper center of the outer periphery of the receiving frame 50A, and rods 55 and 56 having holding rods 54 are fixed to the lower left and right sides, respectively. Have been.
[0015]
One end of the pressing body 50B is connected to one rod 55 of the receiving frame 50A, and a locking lock 62 is connected to the other end. The lock 62 can be locked by hooking on a hook 57 attached to the other rod 56 of the receiving frame 50A. The pressing body 50B has a window 60 for passing the eaves of the hat, and engages with a pin 58 fixed to the outer periphery of the receiving frame 50A to prevent the pressing body 50B from shifting in the front-rear direction. A hole 61 is provided.
[0016]
Next, an operation of setting a hat, which is a cylindrical sewing object, on the holding frame 50 will be described.
First, the distal end portion 45 of the lock shaft 44 of the lock mechanism 40 is engaged with the engagement hole 27 of the support ring 20, and the support ring 20 (including the guide member 38) is attached to the base 12 in FIGS. Lock at the indicated rotation position. Then, the receiving frame 50A of the holding frame 50 is attached to the mounting portion 26 of the support ring 20, and the positioning member 36 of the support ring 20 is inserted into the concave portion 52 to position the holding frame 50 in the rotation direction. At the same time, the levers 31 of the clamps 30 are operated to engage the engaging members 34 with holes (not shown) of the receiving frame 50A. At this time, the leaf spring 35 of the support ring 20 is pressed and bent by the receiving frame 50A.
[0017]
Subsequently, as shown in FIG. 7, the opening of the cap 70 is put on the outer periphery of the receiving frame 50A of the holding frame 50, the pressing body 50B is wound around the outside of the opening, and the locking lock 62 is attached to the hook 57. And lock it. The eaves 72 of the cap 70 are passed through the window 60 of the holding body 50B, so that the base of the eaves 72 and the edge of the opening following it are sandwiched between the receiving frame 50A and the holding body 50B. It is set in the holding frame 50 in the state where it is set. However, in order to sew almost the entire area of the side peripheral surface of the cap 70, the cap 70 is further stretched along the outer periphery of the guide member 38, and the rear side of the cap 70 is not shown in the drawing with respect to the holding rod 54. It is necessary to stop with a clip.
[0018]
When stopping the rear side of the hat 70, the lock mechanism 40 is operated to release the distal end 45 of the lock shaft 44 from the engagement hole 27 of the support ring 20 as shown in FIG. Then, the support ring 20 (including the guide member 38) is rotated 180 ° together with the holding frame 50. At this point, the lock mechanism 40 is operated again, and this time, the distal end portion 45 of the lock shaft 44 is engaged with the other engagement hole 28 of the support ring 20. Thus, the support ring 20 is locked in a state where the holding rod 54 is located on the upper side, that is, in a rotational position in which the rear side of the cap 70 is located on the upper side. Therefore, the worker can hold the rear side of the hat 70 to the holding rod 54 as described above while maintaining the natural posture.
[0019]
When the cap 70 is set on the holding frame 50 in this manner, the lock is released by operating the lock mechanism 40, and the support ring 20 is returned to the rotation position shown in FIGS. Then, the lever 31 of each of the clamps 30 is operated to remove the engaging member 34 from a hole (not shown) of the receiving frame 50A. At this time, the receiving frame 50A is slightly pushed leftward in FIGS. 1 and 2 by the force of the leaf spring 35, and the holding frame 50 can be easily removed from the mounting portion 26 of the support ring 20. The holding frame 50 on which the cap 70 is set is attached to a frame driving device (not shown) of the sewing machine for performing sewing on the side peripheral surface of the cap 70.
[0020]
FIG. 8 is a perspective view showing a holding frame 150 for sewing only on the front surface of the side circumference of the hat 70. The holding frame 150 has a base 150C to which the opening of the hat 70 is put, a receiving frame 150A fixed to the base 150C so as to receive the inner periphery of the top of the hat 70, and a base 150C and the receiving frame having the outer periphery of the opening of the hat. And a band-shaped pressing body 150B which holds the pressing member 150A.
The base 150C can be attached to the mounting portion 26 of the support ring 20, and a concave portion 152 into which the positioning member 36 of the support ring 20 is formed is formed at the rear end of the upper center. The base 150C includes a hole (not shown) in the support ring 20 with which the engaging members 34 of the clamps 30 are engaged. In addition, a block 153 for determining the setting position of the hat in the front-rear direction is fixed to the upper center of the outer periphery of the base 150C.
[0021]
One end of the pressing body 150B is connected to a rod 155 fixed to the base 150C, and a locking lock 162 is connected to the other end. The locking lock 162 can be locked by being hooked on a hook 157 of an arm 156 fixed to the base 150C. Note that a window 160 for securing a sewing range with respect to the front surface of the hat 70 is formed in the pressing body 150B.
[0022]
When setting the cap 70 on the holding frame 150, first, the screw 39 fixing the guide member 38 to the support ring 20 is removed, and the guide member 38 is replaced with a semi-cylindrical guide member 138 shown in FIGS. I do. Thereafter, similarly to the case of the holding frame 50, the lock mechanism 40 is operated to lock the support ring 20 (including the guide member 138) at the rotational position shown in FIGS. Then, the base 150C of the holding frame 150 is attached to the mounting portion 26 of the support ring 20, and the positioning member 36 of the support ring 20 is inserted into the recess 152 to position the holding frame 150 in the rotation direction. At the same time, the levers 31 of the clamps 30 are operated to engage the engaging members 34 with holes (not shown) of the base 150C.
[0023]
Next, as shown in FIG. 11, the opening of the cap 70 is put on the base 150C of the holding frame 150, and the pressing body 150B is wound from the outside of the cap 70 in a state where the front surface of the cap 70 is stretched. Hook 162 on hook 157 to lock. As a result, the hat 70 is set on the holding frame 150 with the base of the eaves 72 sandwiched between the base 150C and the pressing body 150B and the top portion sandwiched between the receiving frame 150A and the pressing body 150B. . Since the guide member 138 has a semi-cylindrical shape, the cap 70 can be easily stretched by pulling the rear side of the hat 70 toward the center of the guide member 138. When the cap 70 is set on the holding frame 150 in this manner, the engaging members 34 of the clamps 30 are removed from the holes (not shown) of the base 150C, and the holding frame 150 is mounted on the support ring, as in the case of the holding frame 50. 20 is removed from the mounting portion 26.
[0024]
FIGS. 12A and 12B are perspective views of the two types of guide members 38 and 138, respectively. As is clear from this drawing, each guide member 38, 138 has three holes 38a, 138a for the screws 39 for fixing them to the support ring 20 at three locations in the circumferential direction, three in the front-rear direction. Is formed. By selecting one of the three holes 38a, 138a, the mounting position of the guide members 38, 138 with respect to the support ring 20 is changed. Thereby, the protrusion amount of the guide members 38 and 138 can be adjusted according to the height (depth) of the hat 70.
[0025]
Although the embodiments of the present invention have been described above, it should be noted that the embodiments include the following various technical matters in addition to the technical matters described in the claims. Keep it.
1. 2. The holding frame support device according to claim 1, wherein the support ring is lockable at two positions where the support ring is rotated by 180 degrees.
2. 3. The holding frame supporting device according to claim 2, wherein the guide member has a semi-cylindrical shape for sewing on a part of the side peripheral surface of the sewn object, and sews over substantially the entire side peripheral surface of the sewn object. A holding frame supporting device, wherein the holding frame supporting device is aligned with a cylindrical shape for carrying out.
3. 3. The holding frame support device according to claim 2, wherein the guide member is attached to the support ring such that the amount of protrusion is adjustable.
Thereby, the protrusion amount of the guide member can be adjusted according to the sewing object.
[0026]
【The invention's effect】
When setting a work to be sewn on the lower surface side of the holding frame to sew almost the entire peripheral surface of the work to be sewn, such as a hat with a cylindrical shape, position that part on the upper surface side and easily Work can be done.
[Brief description of the drawings]
FIG. 1 is a configuration diagram showing a holding frame support device.
FIG. 2 is a sectional view of FIG.
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a sectional view of FIG. 3;
FIG. 5 is an enlarged cross-sectional view of a part of FIG. 4;
FIG. 6 is a perspective view showing a holding frame for performing sewing on substantially the entire area of the side peripheral surface of the workpiece.
FIG. 7 is a configuration diagram showing a state where the holding frame is mounted on the holding frame support device.
FIG. 8 is a perspective view showing a holding frame for sewing only on the front surface of the sewing object.
FIG. 9 is a configuration diagram of a holding frame support device using a guide member when sewing is performed only on a part of a side peripheral surface of a sewing object.
FIG. 10 is a sectional view of FIG. 9;
FIG. 11 is a configuration diagram showing a state in which a holding frame for performing sewing only on a part of a side peripheral surface of a workpiece is attached to the holding frame support device.
FIG. 12 is a perspective view showing two types of guide members.
[Explanation of symbols]
12 Base 20 Support ring 38, 138 Guide member 50, 150 Holding frame 70 Cylindrical sewing object (hat)

Claims (2)

A holding frame support device for supporting a holding frame when setting an embroidery object having a cylindrical shape in the holding frame, wherein a support ring to which the holding frame can be attached is fixed to a predetermined position. A holding frame supporting device, which is rotatable about an axis with respect to the base and is lockable at a predetermined rotation position. 2. The holding frame support device according to claim 1, wherein a guide member for adjusting the shape of the workpiece and supporting the holding frame is provided detachably with respect to the support ring.

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