JPS62181092A - Spangle sewing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention (Industrial Field of Application) The invention of this application relates to a sequin sewing machine, and more specifically, a sequin sewing machine equipped with one or multiple needles and having a configuration for raising and lowering a sequin feeding device, etc. Regarding sewing machines.

(Prior art) In conventional sequin stitch sewing machines, one (1)-shaped sequin is fed into a position corresponding to one needle bar of the sewing machine, and the needle descends to attach the end of the (1)-shaped sequin. When one sequin is held through the hole, the connecting parts of the band-shaped sequins are diagonally adjacent to each other!
After cutting with the 7J1m machine, the cut sequin pieces are sewn onto the fabric (t L).As a step change in history, one of several ?+? AR sequins in different colors. There were two mechanisms for feeding sequins into a plurality of sequins in alternation, cutting and sewing the joints of the band-like sequins.Furthermore, instead of using 17-shaped sequins, they were continuously fed under the needle one by one. There was also a sequin feeding mechanism in which multiple needles were housed in a needle bar case, and a sequin feeding position was provided on one or both sides of the case.

(Problems to be Solved by the Invention) In this type of conventional sequin sewing machine, the sequin feeding device or! ;IJ If 'A position etc. should be sewn IIfJf! ! For example, if a needle bar case housing multiple needles is equipped with a sequin feeder, first move the sequin feeder to the position corresponding to the sequin feeder. After activating one needle to form a sequin stitch at a position close to the frame of the fabric stretched on the embroidery hoop, the sequin was then sewn onto the frame with another needle close to '41, which participated in the sequin stitching. 7. If you are trying to form a Yu-stitch, embroidery on the inside of the embroidery hoop should be
The sequin sewing device attached to the side of the cup case prevents the ejj needle from approaching the embroidery frame (1 unit), so the
There was a defect in that the embroidery work on the Hi ground part was impossible. Furthermore, when it is safe to replace the sequin strips, when replenishing a group of sequins that are continuously supplied, or when placing the fabric on the embroidery hoop, the sequin feeding device should be kept close to the fabric.
4i JI! ! and the sequin feeder; there is not enough space between each. Therefore, there were problems such as extremely inconvenience when performing the above-mentioned work.

(Steps to Solve the Problems) The present invention aims to solve the problems described in 1i71, and includes four forest case side plates and a removable side plate equipped with a sequin feeding device or a cutting device. To provide a configuration in which a pair of interlocking arms and an elastic member are respectively installed parallel to each other and diagonally at a predetermined angle, and an actuating member for the i!lU!!lI arm is further provided. ) When one actuating member operates on one of the interlocking arms installed parallel to each other and obliquely at a predetermined angle between the side plates, and the interlocking arm is given a downward motion, the other The interlocking arms are also made at the same time, and the pair of interlocking arms move up and down at a predetermined angle together with an elastic member placed close to one of them, so the side plate to which the sequin feeding device or cutting device is attached also corresponds to this. 1. In this position, the related parts, especially the sequin feeding device or the !71 cutting device, are held in the I-, y1 position together with the side plate, so that the side plate is , the embroidery hoop can be easily moved, and embroidery needles other than those provided in correspondence with the spur/coal feeder can be moved close to the embroidery hoop. 11
It is possible to represent 1 cedar of 1 cedar (1 cedar), and it also makes it easy to attach to the bobbin to replace the shaped sequins, 3J adjustment work of the cutting device, and work of tensioning the embroidery hoop. 12, it is possible to measure the direction of formation efficiency.

(Example) Hereinafter, one embodiment of the present invention will be described with reference to the attached drawings.In this example, the construction and operation related to the sewing of band-shaped sequins will be explained.
Of course, the side plate lifting mechanism based on the same principle is also adopted for F.

The freely lowerable side plate 2 of the embodiment of the present invention is attached to the side plate 6 of the needle bar case 4 attached to the head of the sewing machine so as to be able to move up and down, and the needles 32 are respectively attached to the needle bar case 4. One rod 30 is housed so as to be freely lowerable. Further, the side bar case 4 is supported by a slide shaft 8 and is movable in the horizontal direction.

A rotary lens 1 is placed approximately in the center of the side plate 2 that can be lowered freely.
0 is installed, and this solenoid! 10 is connected via a drive lever 12 to a lever 13 of a sequin feeding roller 4 of a sequin feeding device equipped with one clutch (not shown). The sequin feeding device is a support member 18. Sequin feed roller 14. Next 13.
Sequin supply groove 28. It is composed of a drive lever 12 and the like. The spur/coal feed roller 14 has a plurality of protrusions 16 at predetermined intervals on its outer periphery.
4 on the edge! Rotatably +MI+ on the installed support member 18
', C is done. The cutting device 20 includes a blade portion 22 and a 1-john spring 24 that elastically supports the blade portion. This cutting device 20 is provided at the end of a supply groove 28 through which the band-shaped sequins S are sent out from a sequin pobbin 26 rotatably supported by a support arm 25. A sewing needle 32 is attached to the end of the needle bar 30 by a weight 34. The needle bar 30 has a known configuration)? Driven to freely descend. FIG. 4 is a route diagram of the drive unit of the side bar 30, and the protrusion 38 of the needle drive lower 36, which is several times apart on the needle bar 30, is
It is capable of engaging the groove 44 of the needle bar drive box 42 fixed to the needle bar drive rod 40 (F+f). When the crank arm 46 connected to the side bar drive box 42 moves up and down due to the operation of the eccentric force 1 and the drive device 48, the needle bar drive box 42 slides below the point supported by the needle bar drive bar 40. The needle bar 30 whose protrusion 38 is engaged with the groove 44 of the drive box 42 is a bearing 52a provided in the needle bar case 4.

The support 1 is attached to the support 1 (52b), and the needle 32 and the needle 32 move downward.A balance 56 is mounted on the surface 54 of the sewing machine head 4 at the rear of the 21-cup case 4, and synchronizes the movement of the needle bar 30 with the timing 7. The end 5 of the balance 56 is rotated by this rotation.
7 can freely lower y1, and pull the upper thread attached to the needle 30.
- to loosen or loosen.

Next, the elevating and lowering mechanism of the side plate 2 which can be raised and lowered will be explained. A pair of interlocking arms, i.e., the first I!, are connected between the side plate 2, which can be raised and lowered, and the side plate 6 of the needle bar case 4. I! Movement 1st arm 60, 2nd
The interlocking arm 62 is constructed.

The pair of interlocking arms 60 and 62 are pivoted to the side plates 2 and 6, respectively, so as to be parallel to each other and maintain an inclination of a predetermined angle.
4,65,66.67. These pivot points 65.6
7 is placed on the 31-bar case side plate 6, and pivot points 64 and 66 are placed on the side plate 2, which can be raised and lowered.

A pin 69 is provided on each side plate 2.6 with a fill spring 68 above and close to and parallel to the second interlocking arm 62.
．． It will be constructed between 71.

Next, a cylinder 70 is installed as an operating member of the interlocking arm, and the cylinder 70 is inserted between the needle bar case side plate 6 and the side plate 2 which can freely lower y1 so as to maintain a predetermined angle with respect to the second interlocking arm 62. In this embodiment, the six bridges are installed obliquely so that one side forms an obtuse angle α and the other side forms an acute angle β, but it goes without saying that these angles can be set as appropriate.

A piston rod 72 attached to one end of the cylinder 70 is pivoted Ff74 approximately at the center of the interlocking arm 62, and the other end is pivoted 76 to the needle bar case side plate 6. Furthermore, this cylinder tough 0 is
A fluid cylinder using a fluid such as oil or air is optimal.

Next, the operation of the embodiment of the present invention will be explained. First of all, the rotary solenoid 10 is actuated so that the solenoid 1
Drive lever 12. Sequin feed roller 1
When the sequin feed roller I4 is actuated via the lever 13'l of No. 4, the sequin feed roller 14 rotates in a predetermined direction due to the action of the one-sided clutch, and the protrusion 16 provided on the outside of this roller 14 rotates the sequin feed roller I4. II l l+ 43'II'4 -k
Pattern 1, qr→toma 46 y 1 1
1+ <Ito 1 bias It is wound around a sequin pobbin 26 which is rotatably supported by a spindle 25, and passes through a sequin supply groove 28 to a sequin feed roller 1.
It is fed below 4. Sequin feed roller 1
The plurality of protrusions 16 of 4 are a;? The band-shaped sequin S is inserted into the hole of the sequin S, and as the sequin feed roller 14 rotates, the band-shaped sequin S is moved to the left as shown in FIG. When sent, Rotarin Lenoid 10 and iJ! The needle bar 30, whose movement is set to connect, is lowered by the drive of the needle bar drive rod 40 described above, and the needle 2132 attached to its end is lowered to fit into the hole of one piece 3t. At the same time, use the lower end of the first toe 34 to firmly press the protrusion 23 at one end of the cutting device 20. , I] The blade portion 22 of the cutting device descends against the elastic member 24, and the sequin piece S
The operation of the 0-rotation solenoid 10 that cuts the joining part C between S1 and the next piece S2, the embroidery frame moving mechanism, the nail drive device, etc. are set to operate in synchronization with Ir. Accordingly, the 11 cups 30 is lowered the desired number of times to 3t32 and t132 (not shown).
The 111! ! Various sequin stitches can be formed. FIG. 6 illustrates their various sewing states.

Next, we will explain the operation in which the related members of the side plates 2 and 2 (A) rise and wait at a predetermined position.Hereinafter, the positions where the feed device including the sequin feed roller 14 can participate in the sewing work are referred to as the sewing position (A). ), the sewing position of the interlocking arm is set to (B), the standby position is set to (13'), and the coil spring 68 Sewing position (C) and standby position (C)
') (Fig. 2).

When the cylinder 70 is activated and its piston rod 72 protrudes forward and pushes up the second interlocking arm 62, this interlocking arm 62 moves in the direction of the arrow with the pivot point 67 of the four-cup case side plate 6 as the center. In the case of the ¥ embodiment, it is inverted and moved to a position twice the inclination angle of 0, as shown in FIG. 7, for example. At the same time, the coil spring 68 also makes the same movement, and the second interlocking arm 6 moves in the L direction around the pin 71 provided on the needle bar case side plate 6.
The pJ2 interlocking arm and the coil spring 68 move from the sewing position (C) to the standby position 1d (C') shown by the dashed line. At the same time, the first interlocking arm 60 moves from the sewing position (B) to the standby position (B) with the pivot point 65 as the center.
’). As a result, the freely lowerable side plate 2 is attached to the sequin feeding roller 14, the cutting device 20, the sequin supply groove 28, the rotary solenoid IO, etc. A) quickly moves upward to the standby position (A″). Therefore, the fabric W
With a sufficient gap formed between rfll and the sequin feeding device, the side plate 2 is attached to l:521. Can be held in standby position.

Furthermore, the first interlocking arm 60. Since the inclination angle of the coil spring 6B and the inclination angle of the cylinder 70 on the second interlocking arm 62 can be set appropriately, the side plate 2. It is theoretically possible to set the standby positions (A''), (B'), and (C') as appropriate.Furthermore, in order to avoid collisions of needle bars, needles, and other parts at the standby position, the side plate 2 is You can also wait in a position that maintains the necessary space between you and .6.

□ While in the standby position as shown above, move the needle bar case and bring the other needle bar 30, which is not compatible with the 17-shaped sequin feeding device, close to the embroidery frame together with the needle 32 (move it to the q position). Then, at this close position, the needle 32 is lowered by y1, and stitches [1] are formed on the fabric using the sewing thread (not shown) attached to the needle 32. Also, the sequins are replaced at the standby position.

Next, side plate 2 and this! In order to return the A-attached '1stl engagement member to its original sewing position, it is sufficient to perform the operation in sequence 1111, which is completely opposite to that described above. That is, first of all, the cylinder 70
By returning the second piston door 2 to the original position, the related members operate in sequence and return to the original position.

(Effect) 1. Extremely easy with the present invention! , quickly move the side plate that can be lowered y1 and the related parts mounted on it to a location close to the embroidery frame, including the needle bar provided exclusively for sequin sewing stored in the sewing position, and the needle bar and needle outside the needle tool. This makes it possible to form the embroidery seam at this location, and to easily perform work such as replacing the embroidery frame, relining the embroidery frame, and adjusting and repairing related parts at the 14j machine position, making it easier to sew. Contribute 111 to the efficiency direction of 1-.

4. Brief explanation of the drawings' □ Fig. 1 is a front view of the varnish sequin sewing machine according to the present invention. FIG. 2 is a side view of FIG. 1. Fig. 3 is a partially enlarged city map of Fig. 1, and Fig. 4 is a side view of the route of the four-wheel drive system. Figure 5 is a side view of 'ifi' sequins. Figure 6 (A)
, (B), (C), and ('D) are cross-sectional views showing various sequin seam formation states. Fig. '7 is a state diagram showing the relationship between the sewing position and the standby position between the interlocking arm and the cylinder.

2...Adventurous side plate, 4...Needle bar case, 6...
・T1 rod case side plate, 10... Rotary solenoid, 12... Drive lever, 14... Sunokunkonil return re-lowing part, 24... l51rl member, 26... Sequin pobbin, 28...・Supply groove (path), 30...
Needle bar, 32... Needle, 34... Gold 111-me, 40.
...Split drive cup, 56... Balance, 60... 1st j
Middle moving arm, 62...2nd;! l! Moving arm.

68...Coil spring, 70...Cylinder, 7
2... Piston rod, (A)... Sewing position, (A
')...Standby position, (B)...Sewing position, (B')
...Standby position.

(C)...Sewing ear 1 position, (C')...Standby position Patent applicant: Tokai Mata Sewing Machine Co., Ltd. Patent Attorney
Kobayashi Sakae Engraving of drawings (no change in content) Ugly 4 I\I book of drawings (no change in content) 5 Engraving of drawings in Figure 6 (no change in content) 1s7 figure procedural amendment 1986 March 19th, Michibe Uga, Commissioner of the Japan Patent Office, 19861 patents! Q No. 024616 2-
Name of Maki: Sequin stitch sewing machine 3, person making the correction Relationship with the matter: 4 + J Applicant: V Sun I, Unoya 7) Address: 1800 Ushiyama-cho, Kasugai City, Aichi Prefecture Tori b]
11 Name: Tokai Kogyo Sewing Machine Co., Ltd. 4, Agent address: 1
60 Name (7510) Patent Attorney Sakae Kobayashi Telephone: 374-5890 5, Attachment II of the amendment order 6, Number of inventions increased by the amendment 7, Subject of supplementary IL Attached old drawings Figures 1, 3, 4,
Figures 5, 6, and 7 (no changes in content) 8. Contents of amendments as attached.

Claims (1)

[Scope of Claims] 1. A band-shaped sequin supply path and a sequin feeding device are attached to a side plate that is movable up and down with respect to the side plate of the needle bar case, and a plurality of inclined interlocking devices are provided between the side plate and the needle bar case. A sequin sewing machine with arms installed parallel to each other and an interlocking arm actuator. 2. The sequin sewing machine according to claim 1, wherein a side plate that can be raised and lowered is provided with a belt-shaped sequin supply path, a belt-shaped sequin feeding device, and a belt-shaped sequin cutting device. 3. The sequin sewing machine according to claim 1 or 2, wherein the actuating device for the interlocking arm is a cylinder. 4. The sequin sewing machine according to claim 1, which has a sequin feeding device operated by operating a rotary solenoid. 5. Claim 1, wherein an elastic member is provided between the needle bar case and the side plate, close to and parallel to the interlocking arm.
Sequin sewing machine described in section.