JP2900514B2 - Sewing machine work cloth transport and loading device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a work cloth transport and stacking device for a sewing machine.

[Conventional technology]

Conventionally, for example, in a pocket setter in which the outer periphery of the pocket cloth is folded inward by a folding machine and placed on the cloth upper surface of the front body as a pre-process of sewing the pocket cloth on the front body placed on the upper surface of the sewing machine table, And a feed plate for moving the cloth and the pocket cloth from the placement position to the sewing position. On the upper surface of the sewing machine table, a roller for feeding the work cloth transported by the feed plate after the completion of sewing to the outside of the table while holding the work cloth therebetween is supported, and the work cloth sent from the roller is stacked by a stacker. It was like that.

[Problems to be solved by the invention]

However, the work cloth transport and stacking device in the pocket setter described above, when the work cloth is short, since the portion protruding from the feed plate is short, the work cloth cannot be inserted between the upper surface of the sewing machine table and the roller. There was a problem that it could not be transported.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a work cloth transport and stacking device for a sewing machine which can reliably supply a short work cloth between a table upper surface and a roller.

[Means for solving the problem]

In order to achieve the above object, the present invention presses a work cloth toward a table and a needle reciprocated up and down,
A feed plate movably disposed in a direction away from the table upward, a drive mechanism for relatively moving the feed plate relative to the needle in a direction intersecting the vertical reciprocating axis of the needle, and a side portion of the table A work cloth transporting and loading device for a sewing machine, comprising: a roller for carrying out the work cloth after sewing from the table along the upper surface of the table; and a stacker for loading the work cloth carried by the roller. A work cloth which is operated independently of the drive mechanism in a state where the work cloth is moved below the feed plate to hold the work cloth and transfer the work cloth to the roller side along the table upper surface. A transfer means is provided.

(Operation)

The work cloth is placed on the upper surface of the table, and the work cloth is pressed against the upper surface of the table by the feed plate, and the drive mechanism moves the feed plate relative to the needle in a direction intersecting the vertical reciprocation axis of the needle. Sewing the work cloth. After the sewing, in a state where the feed plate is separated from the upper surface of the table, a work cloth transfer unit that is operated independently of the drive mechanism enters below the feed plate to hold the work cloth, The work cloth is transferred to the roller side along the upper surface of the table, the work cloth is carried out of the table by the roller, and is stacked by the stacker.

In this invention, the work cloth transfer means is moved under the feed plate to hold the work cloth, so that a short work cloth leaves a cloth portion long enough to be sandwiched between the table upper surface and the roller. The work cloth can be held in the state, and the work cloth can be transported reliably.

〔Example〕

Hereinafter, an embodiment in which the present invention is embodied in a work cloth transport and stacking device in a pocket setter will be described with reference to FIGS. 1 to 6.

As shown in FIG. 4, on the table 14, a placement position on which a cloth W such as a front body and a pocket cloth P sewn to the cloth W are placed, and from this placement position to the right. Separated sewing positions are set, a folding machine B is installed corresponding to the placement position, and a sewing machine 11 is installed corresponding to the sewing position. The sewing machine 11 is mounted on the table 14 so as to be movable in the Y (front and rear) direction in FIG. 5, and is moved in the same direction by a Y-axis pulse motor (not shown). Also, as shown in FIG. 5, the upper surface of the bed 13 of the sewing machine 11 is arranged on the same plane as the upper surface of the table 14. A needle bar 16 having a needle 15 for forming a stitch on the fabric W in cooperation with a thread catcher (not shown) in the bed portion 13 is supported on the arm portion 12 of the sewing machine 11 so as to be vertically movable. .

A feed arm 17 is provided on the table 14 so as to be movable in the X (front and rear) direction and the Y (left and right) direction in FIG. Is detachably mounted. The feed arm 17 is movable between an installation position and a sewing position by an X-axis pulse motor (not shown). And, in a state where the feed plate 19 is separated from the upper surface of the table 14 between the table 14 and the needle 15,
While the feed arm 17 is moved forward from the sewing position to the placement position, and the feed arm 17 descends, the feed plate 19 presses the pocket cloth P and the cloth W against the table 14 with the feed plate 19. Is returned from the placement position to the sewing position,
In this state, the feed plate 19 and the sewing machine 11 are respectively moved in the X and Y directions in synchronization with the vertical movement of the needle 15, whereby sewing is performed along the needle guide groove 18, and the pocket cloth P W
Sewn on.

Next, the folding machine B for forming a fold along the outer periphery of the pocket cloth P will be briefly described.

As shown in FIG. 4, a support member 20 is supported on the table 14 by a cylinder 29 so as to be rotatable around a horizontal axis.
A gauge plate 22 that is reciprocated in the Y direction by an air cylinder 21 is mounted on the support member 20. Then, with the pocket cloth piece P placed on the upper surface of the gauge plate 22, a bending press plate 23 for bending the outer peripheral edge of the pocket cloth piece P downward can be opened and closed by a cylinder 24 so as to be capable of opening and closing in the vertical direction. Supported. The support member 20 has a bent piece holding plate 25.
Is supported by a cylinder 26 so as to be rotatable in the vertical direction, and the holding plate 25 supports a bent piece 28 for bending the outer peripheral edge of the pocket cloth piece P to the lower surface of the gauge plate 22 by the cylinder 27. I have.

A roller 40 is mounted in front of the sewing machine 11 for pressing the cloth W after the sewing is finished to the upper surface of the table 14 and transferring the cloth W to the stacker 30 provided near the table.
The Y-direction moving mechanism of the sewing machine 11, the X-direction moving mechanism of the feed plate 19, the folding machine B and the stacker 30 are described in
Since it is disclosed in -277086, details thereof are omitted.

Next, in a state where the feed plate 19 is separated from the upper surface of the table 14, the feed plate 19 enters below the feed plate 19 to hold the fabric W after the sewing is completed, and moves the fabric W to the roller 40 side. The work cloth transfer means F that moves along the upper surface
This will be described with reference to FIGS.

In this embodiment, the work cloth transfer means F is mounted on a support table 41 fixed to the back side of the table 14 as shown in FIG. Between the support 14 and the back side of the table 14,
A passage for moving the feed plate 19 in the X direction is provided. A cylinder support frame 42 is rotatably supported by a shaft 43 between both left and right bearing portions of the support table 41.
The lower end is connected to the rear surface of the support frame 42, and the piston rod 44a at the upper end is vertically rotatable by a cylinder 44 connected to the arm portion 42a of the support frame 42.

A base end of a cylinder 45 is fixed to the cylinder support frame 42, and a mounting frame 46 is fixed to a distal end of the cylinder 45. A mounting bar 49 for supporting a take-out plate 48 for the cloth W is connected to a distal end portion of the piston rod 47 of the cylinder 45, and a pair of left and right guide rods 50 parallel to the cylinder 45 are provided at both left and right ends of the mounting bar 49. Are connected to each other, and the middle and rear ends of the guide rods 50 are supported by the mounting frame 46 and the cylinder mounting frame 42 so as to be slidable in the front-rear (Y) direction. When the piston rod 47 of the cylinder 45 is reciprocated in the front-rear direction, the mounting bar 49 is moved together with the guide rod 50.
The take-out plate 48 is reciprocated in the front-rear direction. When the piston rod 44a of the cylinder 44 is reciprocated in the vertical direction, the cylinder mounting frame 42, the cylinder 45, the guide rod 50, the mounting bar 49, and the extraction plate 48 are integrally reciprocated in the vertical direction. .

The piston rod 47 is fitted with and fixed to a stopper 51 which locks to the mounting frame 46 and regulates a rearward stop position of the take-out plate 48, and the guide rod 50 is provided with a take-out plate as shown in FIG. A stopper 52 for restricting the forward movement position of 48 is attached.

Next, an operation control circuit of the work cloth transfer means F, the sewing machine 11 and the feed arm 17 will be described with reference to FIG. A CPU (central processing unit) 31 has a sewing machine motor for moving the needle 15 up and down through a drive circuit (not shown), a sewing machine drive motor 32 for driving the sewing machine 11 in the Y direction, and a feed arm 17 in the X direction. A feed arm drive motor 33 for driving, solenoid valves 34 and 35 for cylinders 44 and 45, and a motor 36 for rollers 40 are connected.
The CPU 31 is connected to a RAM 38, a ROM 39, and a group of operation switches 39 for performing commands and settings for control operations.
Then, when the start switch of the operation switch group 39 is turned on, the feed arm 17 feeds the feed plate 19 in the X direction, and the sewing machine
11, the sewing operation by the sewing machine motor 32, the transfer operation of the work cloth transfer means F, and the rotation operation of the rollers 40 are appropriately performed, and the sewn cloth W is stacked.
Transferred to the 30 side. The sewing machine drive motor 32 and the feed arm drive motor 33 constitute a drive mechanism for moving the feed plate 19 relative to the needle 15.

Here, the operation of the work cloth transfer means F and the like will be described in detail.

The solid line in FIG. 2 indicates that the sewing operation is completed and the feed plate
19 is in a stopped state separated upward from the fabric W,
48 is at the stop position closest to the roller 40. In this state, the cylinder 46 moves to the position indicated by, and then moves to the solid line position where the piston rod 44a of the cylinder 44 is moved upward. When the piston rod 47 of the cylinder 45 is advanced with the take-out plate 51 pressing the upper surface of the cloth W, the cloth W is moved forward along the upper surface of the table, and the front edge of the cloth W Supplied between the table top.

Next, when the piston rod 41a of the cylinder 41 is operated to move the take-out plate 48 upward, the fabric W is returned to the stop position indicated by the solid line in FIG. Transferred to

As described above, in the above embodiment, the take-out plate 48 performs the movement from FIG. 2 and FIG.
Can be grasped by the take-out plate 38 at a position separated rearward from the front edge of the material. Therefore, even if the material W is short, it is surely transferred to the roller 40, and the material W is securely transferred to the stacker 39 by the roller. Can be transported.

The present invention is not limited to the above-described embodiment.For example, the support table 41 may be attached to the table 14 so as to be adjustable in the horizontal direction, or may be embodied in a sewing machine other than the pocket setter. it can.

〔The invention's effect〕

As described in detail above, the present invention holds the work cloth by entering the lower part of the feed plate in a state where the feed plate is separated from the upper surface of the table, and moves the work cloth to the roller side along the upper surface of the table. By providing the work cloth transfer means for transferring, even when the work cloth after sewing is short, the work cloth can be reliably transferred to the roller side along the table upper surface, and the work cloth can be reliably transferred from the roller to the stacker. effective.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a work cloth transfer means, FIG. 2 and FIG.
4 is a side view showing the operation of the work cloth transfer means, FIG. 4 is a perspective view showing the entire pocket setter, FIG. 5 is a perspective view showing the vicinity of the sewing machine and the feed plate, and FIG. 6 is an operation control circuit of the work cloth transfer means. FIG. 14 ... table, 15 ... needle, 19 ... feed plate, 30 ... stacker, 32 ... sewing machine drive motor constituting drive mechanism,
33: Feed arm drive motor constituting a drive mechanism, 41: Support base, 42: Cylinder support frame, 44, 45 ... Cylinder, 47
…… Piston rod, 48 …… Take-out plate, 40 …… Roller, F
... Work cloth transfer means.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Toshiaki Iwasaki 9-35, Horita-dori, Mizuho-ku, Nagoya City, Aichi Prefecture Inside Brother Industries, Ltd. (56) References JP-A-4-170992 (JP, A) JP-A-63-189196 (JP, A) JP-A-61-168386 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) D05B 33/00-33/02 D05B 39/00 D05B 41 / 00

Claims (1)

(57) [Claims] A needle which is reciprocated up and down, a feed plate which presses a work cloth toward a table and is movably disposed in a direction away from the table, and a feed plate for the needle. A drive mechanism for relatively moving the needle in a direction intersecting the vertical reciprocating axis of the needle, a roller for unloading the sewn work cloth from the table along the upper surface of the table at the side of the table, and a process unloaded by the roller. And a stacker for loading cloth, wherein the feed plate is operated independently of the drive mechanism in a state where the feed plate is separated from the upper surface of the table, and enters the lower portion of the feed plate for processing. A work cloth transport and stacking device for a sewing machine, further comprising work cloth transfer means for holding the cloth and transferring the work cloth to the roller side along the upper surface of the table.