JP2009050624A - Sequin feeder and sewing machine provided with it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a sequin tape that is fed to a sewing position to be simply changed to another one having a different color, form or the like. <P>SOLUTION: The sequin feeder 20 is provided with a feeding mechanism 29 for feeding the sequin tape T in which sequins S are connected in series to the sewing position H of the sewing machine 9. The feeding mechanism 29 includes a drive mechanism 30, a first feed unit 40x for feedably supporting the tape T to feed it through drive by the drive mechanism 30 and a second feed unit 40y for feedably supporting another sequin tape T in close proximity to the first unit 40x to feed it through drive by the drive mechanism 30. The first unit 40x is so attachably/detachably set to the drive mechanism 30 as to be exchanged. The second unit 40y is so attachably/detachably set to the first unit 40x as to be added under the necessity. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a sequin feed device that feeds a sequin tape having sequins connected in series to a sewing position of a sewing machine.

As the sequin feeding device, a feeding member 92 that supports a single sequin tape T, which is detachably attached to the main body portion, can be fed like a conventional sequin feeding device 90 shown in FIG. It is common to feed the sequin tape T toward the sewing position H by driving the feed member 92 by a drive mechanism 91 (Patent Document 1).
JP 2004-329457 A

  However, in the conventional example, when the sequin tape T to be fed toward the sewing position H is to be changed to a different color, shape, or the like, the sequin tape T currently supported so as to be fed is removed from the feed member 92. The change cannot be made unless the sequin tape T having a different color or shape is supported so as to be fed to the feed member 92.

  Therefore, an object is to enable easy change of the sequin tape to be sent toward the sewing position.

  In order to achieve the above object, the sequin feeder of [1] of the present invention is a sequin feeder comprising a feed mechanism that feeds a sequin tape having sequins connected in series toward a sewing position of a sewing machine. The mechanism includes a drive mechanism and a first feed unit that supports the sequin tape so as to be fed and feeds the sequin tape by being driven by the drive mechanism, and the first feed unit can be replaced with the drive mechanism. It is attached so that attachment or detachment is possible.

  In order to achieve the same object, the sequin feeding device of [2] of the present invention is a sequin feeding device provided with a feeding mechanism that feeds a sequin tape in which sequins are connected in series toward a sewing position of the sewing machine. The feed mechanism supports a drive mechanism and a sequin tape so that the sequin tape can be fed, and is driven by the drive mechanism to feed the sequin tape, and another sequin tape adjacent to the first feed unit. And a second feed unit that feeds the sequin tape by being driven by the drive mechanism, and is detachably attached to the first feed unit so that the second feed unit can be added when necessary. It is characterized by being worn.

  In addition, the sequin feeding device according to [3] of the present invention, in which the above [1] and [2] are integrated, is a sequin feeding provided with a feeding mechanism that feeds a sequin tape in which sequins are connected in series toward a sewing position of the sewing machine. In the apparatus, the feeding mechanism supports a drive mechanism and a sequin tape so that the sequin tape can be fed, and is driven by the drive mechanism to feed the sequin tape separately from the first feeding unit. And a second feed unit that feeds the sequin tape by being driven by the drive mechanism, and is detachably attached to the drive mechanism so that the first feed unit can be replaced. The second feed unit is detachably attached to the first feed unit so that it can be added when necessary.

  In the above [2] and [3], the feeding device is not particularly limited, but the sequins are supported by supporting another sequin tape adjacent to the second feeding unit so as to be fed and driven by the drive mechanism. A third feeding unit for feeding the tape may be included, and the third feeding unit may be detachably attached to the second feeding unit so that the third feeding unit can be added when necessary. Further, a fourth, fifth,... Feed unit may be similarly attached next to the third feed unit.

  In order to achieve the object, the sewing machine is one of the following [4] and [5].

[4] A sewing machine including a sewing head having a needle bar and a sequin feeding device according to [1], wherein the first feeding unit is arranged at a position for feeding a sequin tape directly below the needle bar. sewing machine.

[5] A needle bar support in which a plurality of needle bars are arranged side by side at a constant needle bar pitch, and an indexing mechanism that displaces the needle bar support and indexes one needle bar to the sewing position. A sewing machine comprising a sewing head and the sequin feeding device according to [2] or [3] attached to the needle bar support, wherein the first feeding unit places a sequin tape directly under a predetermined needle bar. A sewing machine arranged at a feeding position and arranged at a position where the second feeding unit feeds sequin tape directly under another needle bar.
With such a configuration, the needle bar that is indexed to the sewing position and the feed unit that is arranged to feed sequins to the sewing position can be changed simultaneously by simply displacing the needle bar support with the indexing mechanism. Can do.

  In said [5], although the pitch of said 1st and 2nd feed unit is not specifically limited, It is preferable that it is 2 times or 3 times the pitch of the said needle bar. This is because a feed unit becomes too narrow in the width direction when it is set to 1 while it becomes too wide when it is set as 4 or more.

  In [1] and [4], the feed mechanism is not particularly limited, but the drive mechanism includes a rotary shaft that transmits a rotational force, and the first feed unit is stretched between a pair of pulleys, A front side belt that is joined to the surface of the sequin tape, and a back side belt that is stretched between a pair of pulleys different from the pair of pulleys and joined to the back side of the sequin tape. It is preferable that the first feed unit is attached to the drive mechanism by connecting the pulleys so as not to rotate relative to each other.

  In the above [2], [3], and [5], the feed mechanism is not particularly limited, but the drive mechanism includes a rotating shaft that transmits a rotational force, and each feed unit is stretched between a pair of pulleys. A front side belt that is joined to the surface of the sequin tape, and a back side belt that is stretched between a pair of pulleys different from the pair of pulleys and joined to the back side of the sequin tape, When the pulley of any one of the first feed units is connected so as not to be relatively rotatable, the first feed unit is attached to the drive mechanism, and is attached to at least one of the pulleys of the first feed unit. The second feed unit is attached to the first feed unit by connecting the pulley of the second feed unit so as not to be relatively rotatable. Masui.

  According to the present invention of [1], the first feed unit is detachably attached to the drive mechanism so that the first feed unit can be replaced. Therefore, by simply replacing the first feed unit with one that supports a different sequin tape, The sequin tape to be sent to the sewing position can be easily changed.

  According to the present invention of [2], since there is a first feeding unit that sends a sequin tape and a second feeding unit that sends another sequin tape adjacent to the first feeding unit, the first feeding unit and the second feeding unit By simply switching the feed unit that actually sends the sequin tape toward the sewing position of the sewing machine, the sequin tape that is sent toward the sewing position can be easily changed.

  Further, according to the present invention of [3], the sequin tape to be sent toward the sewing position is obtained by both the above-described actions of the present invention of [1] and the action of the present invention of [2]. Easy to change.

  The sewing machine 9 according to the present invention includes a needle bar support 11 having a plurality of needle bars 12a, 12b,..., 12i arranged in parallel at a constant needle bar pitch P, and a needle bar support 11 that is displaced by shifting the needle bar support 11. The sewing machine head 10 includes an indexing mechanism 14 that indexes a needle bar right above the sewing position H, and a sequin feeding device 20 attached to the needle bar support 11. The sequin feed device 20 includes a feed mechanism 29 that feeds a sequin tape T in which sequins S are connected in series toward a sewing position H of the sewing machine 9.

  The feed mechanism 29 supports the drive mechanism 30 and the sequin tape T so as to be fed, and is driven by the drive mechanism 30 to feed the sequin tape T directly below the predetermined needle bar 12a. A second feeding unit 40y that supports another sequin tape T next to the first feeding unit 40x so as to be fed and is driven by the drive mechanism 30 to feed the sequin tape T directly below another needle bar 12c. Contains. The first feed unit 40x is detachably attached to the drive mechanism 30 so that the first feed unit 40x can be replaced. The second feed unit 40y is detachably attached to the first feed unit 40x so that it can be added when necessary.

  Specifically, the drive mechanism 30 includes a rotation shaft 34 that transmits a rotational force, and each feed unit is stretched between a pair of pulleys 53 and 53 and joined to the surface of the sequin tape T. And a rear belt 51 that is stretched between a pair of pulleys 53 and 53 different from the pulleys 53 and 53 and is joined to the back surface of the sequin tape T. Then, any of the pulleys 53 of the first feed unit 40x is connected to the rotation shaft 34 so as not to be relatively rotatable, whereby the first feed unit 40x is attached to the drive mechanism 30, and the first feed unit 40x The second feed unit 40y is attached to the first feed unit 40x by the pulley 53 of the second feed unit 40y being connected to at least one of the pulleys 53 so as not to be relatively rotatable.

  1 to 5 of the present embodiment includes a table 7, an embroidery frame 8 on which the work cloth W is stretched above the table 7, and a plurality of sewing machines that perform embroidery on the stretched work cloth W. The sewing machine head 10 for supplying the upper thread, the bed 15 for supplying the lower thread, and the sequin S are connected in series. And a sequin feeding device 20 that feeds the sequin tape T toward the sewing position H between the sewing head 10 and the bed 15. A controller (not shown) for synchronously controlling the sewing head 10, the bed 15, and the sequin feeder 20 of the sewing machine 9 is installed at one end of the table 7.

  The sewing head 10 includes a needle bar support 11 in which a plurality of needle bars 12a, 12b,..., 12i each having a sewing needle 13 at the lower end are arranged in parallel at a constant needle bar pitch P (about 12 mm); An indexing mechanism 14 for alternatively indexing one needle bar to the sewing position H by displacing the needle bar support 11 in the parallel direction L, R of the needle bars 12a, 12b,. It has. Further, the bed 15 includes a needle plate 16 in which a needle drop hole 17 is provided immediately below the sewing position H, and a hook 18 provided immediately below the needle drop hole 17.

  The sequin feeder 20 is attached to the needle bar support 11 via a frame 21 and can feed a plurality of reels 24 and 24 each containing a sequin tape T and the sequin tape T of each reel 24. And a feed mechanism 29 that feeds the sequin tape T of each reel 24 directly below the needle bars 12a and 12c by driving the plurality of feed units 40x and 40y supported by the drive mechanism 30. For the entrance portions of the feeding units 40x and 40y, a pair of guides 61 and 61 for guiding the sequin tape T to the unit, an adjustment mechanism 62 for adjusting the width between them, and the width adjustment. A locking mechanism 63 that temporarily locks the sequin tape T with the locking pin by attaching a locking pin (not shown) to the mounting portion 64 when performing is provided. In addition, an optical sensor mechanism 66 for detecting the size of the sent sequin S and the leading sequin S sent to the sewing position H are connected to the outlet portions of the feeding units 40x and 40y by the sequin tape T. And a cutter 67 that is driven by being pressed by pressing portions (not shown) of the needle bars 12a and 12c.

  One reel 24 is attached to the upper portion of the frame 21 for each of the feeding units 40x and 40y, and each reel 24 can be added and removed according to the number of the feeding units. It is removable.

  The feed mechanism 29 is attached to the lower part of the frame 21 and includes the drive mechanism 30 and the plurality of feed units 40x and 40y.

  The drive mechanism 30 includes a stepping motor 31 attached to the frame 21 and a rotating shaft 34 that transmits the rotational force of the motor. The motor and the shaft are attached to the tip of the motor shaft 32 of the stepping motor 31. The large-diameter gear 33 provided and the small-diameter gear 35 provided at the base end of the rotary shaft 34 are connected by meshing with each other. And the connection convex part 36 for connecting the 1st feed unit 40x driveably is provided in the front-end | tip part of the rotating shaft 34. As shown in FIG.

  The feed units 40x and 40y are detachably attached to the drive mechanism 30 so that the first feed unit 40x can be replaced. The second feed unit 40y can be added to the first feed unit 40x when necessary, and removed when not needed. In addition, the first feed unit 40x is drivably connected directly to the drive mechanism 30 by being detachably attached so that it can be replaced, and the second feed unit 40y is connected via the first feed unit 40x. The drive mechanism 30 is drivably connected. At this time, the first feed unit 40x is arranged at a position to feed the sequin tape T directly below the predetermined needle bar 12a, and the second feed unit 40y is adjacent to the first feed unit 40x and has a needle bar pitch P (about 12 mm) is arranged in parallel at a pitch Q (about 24 mm) which is an integral multiple (twice), so that the sequin tape T is directly below another needle bar 12c adjacent to some (two) of the predetermined needle bars 12a. It is arranged side by side at the position to send.

  Each of these feeding units 40x and 40y includes a housing 41 that forms an outer portion, a back belt 51 that is joined to the back surface of the sequin tape T inside the housing 41, and a front side that is joined to the surface of the sequin tape T on the inside. The belt 52 is provided, and the back side and front side belts 51 and 52 are driven by the drive mechanism 30 so that the sequin tape T is sandwiched between the back side belt 51 and the front side belt 52 and sent.

  Specifically, the housing 41 is formed obliquely with respect to the needle bars 12a and 12c so that the upper side is away from the corresponding needle bars 12a and 12c and the lower side is closer to the needle bars 12a and 12c. A back belt 51 is stretched between a pair of pulleys 53 attached to the upper and lower portions of the housing 41. A case 42 is housed in an inclined manner along the housing 41 on the opposite side of the back belt 51 inside the housing 41, and a pair of pulleys 53 attached to the upper and lower portions of the case 42, A front side belt 52 is stretched between 53. A handle 43 is attached to the case 42, and the front belt 52 can be opened and closed with respect to the back belt 51 by pulling the handle 43 and opening the case 42 from the housing 41. The back side and front side belts 51 and 52 are flexible endless belts.

  As described above, a connecting structure for connecting each of the feed units 40x and 40y to the drive mechanism 30 will be described. As shown in FIG. 3, at the end of the pulley shaft 54 of each pulley 53 on the end of the drive mechanism 30 side. Is provided with a fitting recess 55, and a fitting projection 56 is provided at the opposite end. The first feed unit 40x is locked to the lower portion of the frame 21, and one of the four fitting recesses 55 of the first feed unit 40x is rotated relative to the connecting projection 36 of the rotary shaft 34. The first feed unit 40x is drivably coupled to the drive mechanism 30 by being fitted impossible. When the four fitting convex portions 56 of the second feeding unit 40y are fitted into the four fitting concave portions 55 of the first feeding unit 40x so as not to be relatively rotatable, the second feeding to the first feeding unit 40x is performed. The unit 40y is drivably connected.

  According to this embodiment, the feed units 40x and 40y are attached to the needle bar support 11 having the needle bars 12a, 12b,..., 12i arranged side by side. As shown, the needle bar 12a, 12b,..., 12i to be indexed to the sewing position H can be changed simply by driving the needle bar support 11 in the needle bar parallel arrangement directions L and R by the indexing mechanism 14. At the same time, the feeding units 40x and 40y disposed at the position where the sequin tape T is fed to the sewing position H can also be changed. Therefore, for example, a feed unit 40x that sends a red sequin tape T to a needle bar 12a that sews a red upper thread is installed, and a blue sequin tape T is attached to a needle bar 12c that sews a blue upper thread. If you install a feed unit that sends sequin tape T of the same color to the needle bar that sews the upper thread of each color, such as installing a feed unit 40y, the upper thread color and sequin color are aligned at the same time. Can be changed. For example, if the size of the sequin tape T is changed between the feed units 40x and 40y, the size of the sequin S to be sewn can be changed.

  In addition, according to the present embodiment, each of the feeding units 40x and 40y and the reels 24 and 24 are detachable, so that each feeding unit is fed to a unit that supports a different sequin tape T and the sequin tape T is fed to the unit. The sequin tape T to be sent to the sewing position H can be easily changed by exchanging the reels 24 together. Further, since the attachment / detachment is possible, as shown in FIG. 5 (a), the second feeding unit 40y can be removed together with the reel 24 for feeding the sequin tape T to the unit, or as shown in FIG. 5 (b). As shown, a third feed unit 40z is added next to the second feed unit 40y, and a reel 24 for feeding the sequin tape T to the unit is added, and the fourth, fifth,... It can also be added with a reel.

  Note that the present invention is not limited to the above-described embodiment, and can be modified and embodied as appropriate without departing from the spirit of the invention. For example, the fitting unit 55 is fitted with the fitting recess 55 of each feeding unit 40x, 40y. You may replace the joint convex part 56. FIG.

It is a front view which shows the sewing machine of an Example. It is the perspective view which looked at the sequin feeder of the sewing machine of the Example from diagonally upward. It is an expansion perspective view which shows the inside of the sequin feeder of FIG. In the embodiment, (a) is a front view showing a state in which the first feeding unit is arranged at a position where the sequin tape is fed to the sewing position, and (b) is a second feeding unit and the sequin tape at the sewing position. It is a front view which shows the mode at the time of arranging at the position which sends. In the same Example, (a) is a front view which shows a mode when the 2nd feed unit is removed, (b) is a front view which shows a mode when the 3rd feed unit is expanded. It is a side view which shows the sequin feeder of a prior art example.

Explanation of symbols

9 Sewing machine 10 Sewing head 11 Needle bar support 12a Needle bar 12b Needle bar
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12i Needle bar 14 Indexing mechanism 20 Sequin feed device 29 Feed mechanism 30 Drive mechanism 34 Rotating shaft 40x First feed unit 40y Second feed unit 51 Back side belt 52 Front side belt 53 Pulley H Sewing position T Sequin tape S Sequin

Claims (7)

In a sequin feed device having a feed mechanism that feeds a sequin tape in which sequins are connected in series toward a sewing position of the sewing machine,
The feed mechanism includes a drive mechanism and a first feed unit that supports the sequin tape so as to be fed and feeds the sequin tape by being driven by the drive mechanism,
A sequin feed device, wherein the drive mechanism is detachably attached so that the first feed unit can be replaced. In a sequin feed device having a feed mechanism that feeds a sequin tape in which sequins are connected in series toward a sewing position of the sewing machine,
The feed mechanism supports a drive mechanism and a sequin tape so that the sequin tape can be fed, and is driven by the drive mechanism to feed the sequin tape, and another sequin tape adjacent to the first feed unit. And a second feed unit that feeds the sequin tape by being driven by the drive mechanism,
A sequin feed device, wherein the second feed unit is detachably attached to the first feed unit so that it can be added when necessary. In a sequin feed device having a feed mechanism that feeds a sequin tape in which sequins are connected in series toward a sewing position of the sewing machine,
The feed mechanism supports a drive mechanism and a sequin tape so that the sequin tape can be fed, and is driven by the drive mechanism to feed the sequin tape, and another sequin tape adjacent to the first feed unit. And a second feed unit that feeds the sequin tape by being driven by the drive mechanism,
Removably attached to the drive mechanism so that the first feed unit can be replaced,
A sequin feed device, wherein the second feed unit is detachably attached to the first feed unit so that it can be added when necessary. A sewing machine comprising a sewing head having a needle bar and the sequin feeder according to claim 1,
A sewing machine arranged at a position where the first feeding unit feeds the sequin tape directly below the needle bar. A sewing head having a needle bar support in which a plurality of needle bars are arranged side by side at a constant needle bar pitch, and an indexing mechanism for displacing the needle bar support to index one needle bar to a sewing position; A sewing machine comprising the sequin feeder according to claim 2 or 3 attached to the needle bar support,
A sewing machine in which the first feeding unit is arranged at a position for feeding a sequin tape directly under a predetermined needle bar, and the second feeding unit is arranged at a position for feeding a sequin tape directly under another needle bar. The drive mechanism includes a rotating shaft that transmits a rotational force,
The first feeding unit is stretched between a pair of pulleys, and is stretched between a pair of pulleys different from the pair of pulleys, and a front belt that is joined to the surface of the sequin tape, and is attached to the back surface of the sequin tape. A backside belt to be joined,
5. The sequin feed device according to claim 1, wherein the first feed unit is attached to the drive mechanism by connecting any of the pulleys to the rotation shaft so as not to be relatively rotatable. Sewing machine. The drive mechanism includes a rotating shaft that transmits a rotational force,
Each feed unit is stretched between a pair of pulleys and is stretched between a front side belt that is joined to the surface of the sequin tape and a pair of pulleys different from the pair of pulleys, and is joined to the back surface of the sequin tape. With a back belt,
By connecting the pulley of any of the first feed units to the rotation shaft so as not to be relatively rotatable, the first feed unit is attached to the drive mechanism,
The second feed unit is attached to the first feed unit by the pulley of the second feed unit being connected to at least one of the pulleys of the first feed unit so as not to be relatively rotatable. The sequin feeder according to claim 2 or 3, or the sewing machine according to claim 5.

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