JPH0736632Y2 - Rubber knitting tape sewing linking sewing machine - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION The present invention is mainly a knitted rubber knitting tape, a rubber knitting tape sewn linking sewing machine for sewing a vest, a round neck sweater, a high neck sweater, a cardigan, etc. around the collar and sleeves. Regarding

[0002]

2. Description of the Related Art Conventionally, when a knitted rubber knitting tape is sewn around a collar or sleeve around a vest, a round neck sweater, a high neck sweater, a cardigan, etc., a linking sewing machine, a lock stitch, a single stitch sewing, Heavy sewing machines are used. However, working with a linking sewing machine requires skill, and there is a problem in that a lock stitch, a single stitch sewing machine, and a double stitch sewing machine cannot finish as desired.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above facts, and can easily and quickly use a knitted rubber knitting tape vest, a round neck sweater, or a high neck sweater without special skill. The purpose of the present invention is to provide a rubber-knit tape sewing linking sewing machine that can be sewn around the collar and sleeves of a cardigan and the like and that does not cause thread breaks or skips in the product.

[0004]

According to a first aspect of the present invention, there is provided a positioning member for positioning a folded back portion of a first sewn product which is folded into two pieces, and a first folding member which is folded into the two pieces. A needle bar for moving up and down the needle for sewing the sewn object and the second sewn object, a presser bar that descends later than the needle bar and rises later than the needle bar, and a first object fixed to the presser bar. A pipe presser for pressing the upper piece of the sewn product, a regulating pressing piece fixed to the presser bar for abutting the end surface of the upper piece of the first sewn object and pressing the second sewn object, and fixed to the presser bar. Is disposed between the upper body of the first sewn object and the second sewn object, and the restricting body that regulates the curvature of the upper piece of the first sewn object. A pressing member that is disposed between the supporting member and the lower piece of the first sewn object and the second sewn object to press the lower piece of the first sewn object. A plate, is characterized by comprising a, a moving member for moving the first workpiece and the first workpiece and the second workpiece by sandwiching the second workpiece.
The invention of claim 2 is characterized in that a support member is provided for supporting the upper piece of the first sewn object by lifting the upper piece together with the support member.

[0005]

According to the first aspect of the present invention, the second work piece is inserted between the upper piece and the lower piece of the first work piece that is folded in two, and the upper piece is lifted by the support member. Further, the lower piece is pressed down by the pressing plate. On the other hand, since the positioning member is provided, the first sewn object can be positioned and the sewing position can be made constant. When the rubber knitting tape sewing linking sewing machine is operated, the needle bar descends, the needle passes through the pipe retainer, and the needle comes into contact with the upper piece of the first sewn object. However, at this point in time, the presser bar has not descended yet, so the pipe presser and the restricting body are not pressing the upper piece. Therefore, the needle can handle the upper piece and pierce the edge of the upper piece. Then, the presser bar descends, and the pipe presser and the restricting body press the upper piece. Also,
The regulation pressing piece contacts the end surface of the upper piece to regulate the upper piece and press the second sewing object. In this state, the needle is sewn with the first sewn object and the second sewn object overlapped. Then, after the needle bar is lifted, the presser bar is lifted with a slight delay, and the pipe presser and the restricting body release the pressing of the upper piece. Also,
The restriction pressing piece releases the restriction of the upper piece and releases the pressing of the second sewing object. By repeating this, the first sewn object and the second sewn object can be continuously sewn. According to a second aspect of the present invention, in addition to the support member, a support member for lifting the upper piece of the first sewn object is provided, so that the upper piece of the first sewn object can be lifted in a wide range, so that the operator can more clearly see (1) The positional relationship between the upper piece of the sewn object and the second sewn object can be known.

[0006]

First Embodiment FIGS. 1 to 7 show a first embodiment of a rubber knitting tape sewing linking sewing machine (10) according to the present invention. As shown in FIGS. 1 and 2, the needle bar (1
2) and the presser bar (14) are provided side by side along the feeding direction (arrow A direction). The presser bar (14) descends slightly later than the needle bar (12) and the needle bar (1
It is controlled by an appropriate means such as a cam mechanism so as to rise slightly later than 2). A needle (16) is fixed to the lower end of the needle bar (12). As shown in FIG. 1, a pipe retainer (18) is attached to the lower end of the retainer bar (14).
Is projected. The tip portion (18A) of the pipe retainer (18) is formed in a substantially columnar shape. A through hole (20) is vertically formed in the pipe retainer (18), and the through hole (20) corresponds to the needle (16). Therefore, the needle (16) penetrates the through hole (20). A plate-shaped regulating pressing piece (22) made of transparent resin is disposed on the front side of the pipe retainer (18) in the drawing. The regulating pressing piece (22) is also fixed to the lower end portion of the pressing rod (14) like the pipe pressing member (18). As shown in FIG. 5, a substantially semicircular groove portion (22A) is formed on the side surface of the regulation pressing piece (22), and as shown in FIG. 6, the groove (22A) has the pipe retainer (18). The tip portion (18A) of is inserted. As shown in FIG. 1, a regulation pin (24) as a regulation body is attached to the presser bar (14). As shown in FIG. 3, the regulation pin (24) is formed in a crank shape in a front view, and the tip end portion (24A) of the regulation pin (24) is horizontally extended toward the right direction in FIG. As shown in FIG. 1, the pressing rod (1) of the needle (16) is
In the opposite direction to 4), a tape support (26) as a support member is hung in a detachable state. At the lower end of the tape support (26), a tape support piece (28) is extended toward the front side in the drawing. A tape pressing plate (32) as a pressing plate is rotatably attached by a pin (32A) at a position corresponding to the tape supporting piece (28) of the table plate (30) of the rubber knitting tape sewing linking sewing machine (10). Has been. Further, a band-shaped positioning plate (34) is arranged on the table plate (30) on the front side of the tape support (26) so that the rubber knitting tape (1) cannot move further in the drawing. ing. At one end of the table plate (30), the knitted rubber knitting tape (1) as the first sewn object and the full bloom (2) as the second sewn object are sandwiched and fed in the feeding direction (arrow A).
Nip roller (3) as a moving member
6) and (38) are provided. The feed pitch of the sandwiching rollers (36) and (38) is matched with the pitch (see FIG. 7) of the puncture (3) of the upper piece (1A) of the rubber knitting tape (1). As a result, as shown in FIG. 7, a stitch (4) is provided for each stab (3). As shown in FIG. 2, the holding roller (38) is adapted to be inserted inside the knitted rubber knitting tape (1).
Further, grooves are formed on the surfaces of the sandwiching rollers (36) and (38) in the axial direction so that the knitted rubber knitting tape (1) and the full bloom (2) can be reliably sandwiched. At the other end of the table plate (30), a mounting frame (3
9) (see FIG. 9) is attached. A rotary roller (40) inserted inside the knitted rubber knitting tape (1) is rotatably provided on the mounting frame body (39).

Next, the operation of the first embodiment will be described. A case will be described in which the knitted rubber knitting tape (1) is sewn to the best time (2) of the knitted vest by using the rubber knitting tape sewing linking sewing machine (10) according to the present invention. When sewing the knitted rubber knitting tape (1) to the edge portion (2A) of the bloom (2), first,
As shown in, the knitted rubber knitting tape (1) is bent at the central portion, and the knitted rubber knitting tape (1) is cut between the upper piece (1A) and the lower piece (1B) of the full bloom (2). Edge (2
Insert A). In this case, since the positioning plate (34) is provided, the rubber knitting tape (1) and the full bloom (2) can be positioned, and the sewing position can be fixed. In this state, the knitted rubber knitting tape (1) and the full bloom (2) are sandwiched by the holding rollers (36),
(38) is clamped. And a rotating roller (40)
Is inserted inside the knitted rubber knitting tape (1) (see FIG. 2). Then, as shown in FIG. 1, between the upper piece (1A) of the knitted rubber knitting tape (1) and the edge portion (2A) of the full bloom (2), the tape support piece (28) of the tape support (26). ) Is inserted, the upper piece (1
A) is lifted by the tape support piece (28).
Further, as shown in FIG. 1, the tape holding plate (32) is inserted by rotating between the lower piece (1B) of the knitted rubber knitting tape (1) and the edge portion (2A) of the full bloom (2). Since the lower piece (1B) is sandwiched between the table plate (30) and the tape pressing plate (32), lifting of the lower piece (1B) is prevented. Then, when the rubber knitting tape sewing linking sewing machine (10) is operated, the needle bar (12) is lowered and the needle (16) is passed through the through hole (2) of the pipe retainer (18).
0), the needle (16) comes into contact with the upper piece (1A) of the knitted rubber knitting tape (1). However, at this point in time, the presser bar (14) has not descended yet, so the pipe presser (18) and the tip portion (24A) of the restriction pin (24) do not press the upper piece (1A). Therefore, the needle (16) is in a state of handling the upper piece (1A).
It is possible to pierce the puncture (3) (see FIG. 7) at the edge of A). Moreover, the holding rollers (36), (38)
Since the feed pitch of is matched with the pitch of the stab stitches (3) of the upper piece (1A), it is possible to sew stitches one by one with certainty. Then, the presser bar (14) descends and the pipe presser (18) and the tip portion (24A) press the upper piece (1A). On the other hand, as shown in FIG. 3, the regulation pressing piece (22) presses the viewing season (2) at the bottom surface and the side surface is the upper piece (1
The upper piece (1A) is prevented from moving leftward in FIG. And the needle (12) is the upper piece (1A)
Then, sew the edge portion (2A) of the best season (2) and the lower piece (1B) in an overlapping state. In this case, the pipe retainer (18)
Also has a role of stabilizing the upper piece (1A) when the needle (16) pierces the upper piece (1A) by pressing the upper piece (1A). On the other hand, the tip end (24
A) contacts the upper piece (1A) of the rubber knitting tape (1) and presses the upper piece (1A) to restrict the upper piece (1A) from bending upward. Then, the needle bar (12) and the needle (1
When 6) starts to rise, the presser bar (14) rises with a slight delay and the pipe retainer (14) and the tip end portion (24A) of the regulation pin (24) release the pressing of the upper piece (1A). Further, the restriction pressing piece (22) also releases the viewing time (2). By repeating this, the upper piece (1A) and the lower piece (1B) of the rubber knitting tape (1) are sewn while sandwiching the edge portion (2A) of the full bloom (2). Since the regulation pressing piece (22) is made of a transparent resin material, the operator can see the sewing state through the regulation pressing piece (22). Further, the sewn rubber knitting tape (1) and the best time (2) are the holding rollers (36),
Although it is sandwiched by (38) and pulled in the direction of arrow A, since the rubber knitting tape (1) and the full bloom (2) are sandwiched by the sandwiching rollers (36), (38) and pulled together, the conventional feeding Damage to the rubber knitting tape (1) due to the feed tooth that occurred when sending the sewn product by teeth, misalignment between the upper piece (1A) and the lower piece (1B) of the rubber knitting tape (1), or the rubber knitting tape ( It is possible to prevent problems such as the shift of the best time (2) from the first). Immediately before the sewing work is completed, the tape support body (26) is moved toward the front side of the drawing when the already sewn portion reaches just before the tape support piece (28) of the tape support body (26). Pull to remove. Further, when the tape pressing plate (32) is pushed by the already sewn portion, it rotates about the pin (32A), so that the rubber knitting tape (1) is surely sewn to the end of the season (2). Moreover, the finish is the same as when sewing with a linking sewing machine.

[0008]

Second Embodiment FIGS. 8 and 9 show a second embodiment of the rubber knitting tape sewing linking sewing machine (10) according to the present invention. The same structures as those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted. As shown in FIG.
In addition to the rotating roller (40), a tape lifting member (50) as a supporting member is arranged on the mounting frame body (39) fixed to the sewing machine main body. This tape lifting member (5
A tape lifting tongue piece (54) is rotatably attached via a pin (56) below the tip of the protruding piece (52) of (0). A coil spring (58) is attached to this pin (56).
Is wound around and the tape lifting tongue (54) is rotated to return.

Next, the operation of the second embodiment will be described. In this embodiment, as shown in FIG. 8, the tape lifting member (50)
The tape lifting tongue piece (54) is inserted between the upper piece (1A) of the knitted rubber knitting tape (1) and the edge portion (2A) (not shown) of the full bloom (2). The piece (1A) is supported so as to be lifted up. Therefore, the upper piece (1A) of the knitted rubber knitting tape (1) can be lifted up at the two positions of the tape supporting piece (28) and the tape holding upper tongue piece (54), so that the operator can more clearly The upper piece (1A) of the knitted rubber knitting tape (1) and the edge portion (2) of the full bloom (2)
The positional relationship with A) can be known. Before the sewing work is completed, the portion already sewn from the direction of arrow A is sent to the tape lifting tongue (54), and the sewn portion becomes the tape lifting tongue (54). When abutting and pressing, the tape lifting tongue (54) rotates around the pin (56), so that it does not interfere with the sewing work between the rubber knitting tape (1) and the full bloom (2). The other operations are the same as those in the first embodiment, and thus the description thereof will be omitted.

In the embodiment, the rubber knitting tape (1) and the full bloom (2) are sandwiched by the sandwiching rollers (36) and (38) and sent in the direction of arrow A, immediately before the sewing work is completed. The tape support (26) is manually removed when the portion sewn from the direction of arrow A reaches just before the tape support piece (28) of the tape support (26), but the present invention is not limited to this. For example, the sewn portion is a tape support piece (2) of the tape support (26).
The tape support (26) may be automatically moved by a sensor when it reaches just before step 8).

In the embodiment, the case where the knitted rubber knitting tape (1) is sewn to the best time (2) of the knit vest has been described, but the knitted rubber knitting tape (1) is not necessarily used for knit products. It is not limited to the case of sewing at the best time (2), and a cloth tape or the like may be sewn at the best time of the cloth product.

[0012]

As described above, the rubber knitting tape sewing linking sewing machine according to the present invention can easily and quickly use a knitted rubber knitting tape vest, a round neck sweater, a high neck sweater, without requiring special skill. It has an excellent effect that it can be sewn around the collar and sleeves of a cardigan etc. at the best time, and that a product without thread breakage can be manufactured.

[Brief description of drawings]

FIG. 1 is a partial perspective view of a first embodiment of a rubber knitting tape sewing linking sewing machine according to the present invention.

FIG. 2 is a schematic overall perspective view of a first embodiment of a rubber knitting tape sewing linking sewing machine according to the present invention.

FIG. 3 is a partially enlarged front view of the first embodiment of the linking sewing machine for sewing the rubber knitting tape according to the present invention.

FIG. 4 is a partially enlarged perspective view of the first embodiment of the linking sewing machine for sewing the rubber knitting tape according to the present invention.

FIG. 5 is a partially enlarged perspective view of a regulation pressing piece of the rubber knitting tape sewing linking sewing machine according to the present invention.

FIG. 6 is a bottom view showing the relationship between the regulation pressing piece of the rubber knitting tape sewing linking sewing machine according to the present invention and the tip portion of the pipe holder.

FIG. 7 is an operation explanatory view showing a relationship between the regulation pressing piece and the pipe pressing of the rubber knitting tape sewing linking sewing machine according to the present invention and the upper piece of the knitted rubber knitting tape.

FIG. 8 is a schematic overall perspective view of a second embodiment of the linking sewing machine for sewing the rubber knitting tape according to the present invention.

FIG. 9 is a partially enlarged view of the second embodiment of the rubber knitting tape sewing linking sewing machine according to the present invention.

[Explanation of symbols]

 (10) ・ ・ ・ Linked sewing machine for sewing rubber knitting tape (12) ・ ・ ・ Needle bar (14) ・ ・ ・ Presser bar (16) ・ ・ ・ Needle (18) ・ ・ ・ Pipe presser (20) ・ ・ ・ Penetration Hole (22) ... Regulating pressing piece (24) ... Regulating pin (26) ... Tape support (32) ... Tape pressing plate (34) ... Positioning plate (50) ... Tape lifting member

Claims (2)

[Scope of utility model registration request] 1. A positioning member for positioning a folded-back portion of a first sewn article that is folded into two pieces, and sew the first sewn article and the second sewn article that are folded into the two sheets. A needle bar that moves the needle up and down, a presser bar that descends later than this needle bar and rises later than the needle bar, and a pipe presser that is fixed to this presser bar and presses the upper piece of the first sewn object. Fixed to the presser bar and abutting on the end surface of the upper piece of the first sewing object, and
A restricting pressing piece for pressing the sewing object, a restricting body fixed to the presser bar for restricting the curvature of the upper piece of the first sewing object, an upper piece of the first sewing object, and the second covering object. A support member that is arranged between the sewn product and supports the upper piece in an upward direction;
A pressing plate that is arranged between the lower piece of the first sewn object and the second sewn object, and presses down the lower piece of the first sewn object; and the first sewn object and the second sewn object. A rubber knitting tape sewing linking sewing machine, comprising: a moving member that moves the first to-be-sewn object and the second to-be-sewn object by sandwiching. 2. The rubber knitting tape sewing linking sewing machine according to claim 1, further comprising a support member for lifting and supporting an upper piece of the first sewing object together with the support member.