JPH0139794B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a sewing machine device mainly used for binding futons and the like.

[Conventional technology]

A sewing machine for sewing futons, etc. is equipped with a sewing machine body mounted on a machine frame, and a support device for supporting a futon, etc. between the sewing machine head of the sewing machine body and the sewing machine bed, and a piece of futon is supported on the support device. There is a known structure in which the support device is moved forward, backward, left and right with respect to the sewing machine body to bind (sew) the futon.

[Problem that the invention seeks to solve]

However, the conventional sewing machine device described above has a problem in that it takes time and effort to attach and remove the futon because each futon has to be brought to the support device, supported by the support device, and then removed and taken out.

The present invention automatically attaches and detaches futons, etc., sends the futons, etc. to the sewing machine main body, and can take out the futons, etc. that have been sewn from the sewing machine main body, and also allows continuous sewing of long futons, etc. The purpose is to provide a sewing machine device that can

[Problem that the invention seeks to solve]

In order to achieve the above object, the present invention provides a sewing machine for sewing futons, etc., which includes a sewing machine body mounted on a machine frame, and a support device for supporting a futon, etc. between the sewing machine head and the sewing machine bed of the sewing machine body. The sewing machine main body is configured to be movable in the left and right direction, and the support device is configured to transport a pair of left and right endless clips that are provided with a plurality of clips for holding the side edges of a futon or the like and can be freely rotated in the front and rear directions. When the clips enter the feed surface of the sewing machine main body, the clips are closed in sequence to pinch the side edges of the futon, etc., and when the clips retreat from the feed surface, the clips are opened in sequence. It consists of an opening and closing mechanism.

[Effect]

Attach the front end of the futon, etc. to the closest left and right clips, and while moving the left and right endless transfer bodies forward on the sewing machine's feed surface (sewing surface), make sure the clips are on the sewing machine's feed surface. After entering, each clip is sequentially closed by an opening/closing mechanism. Due to the above operation, futons etc.
It is grabbed by both edges with clips and carried into the main body of the sewing machine.

In this state, the sewing machine main body is operated to bind the above-mentioned futons, etc. In this case, in order to bind the futons etc. horizontally, the sewing machine main body must be moved horizontally, and
To stitch vertically, the futon or the like is moved back and forth (vertically) using a transporter, or the sewing machine itself is moved vertically. Also, in diagonal binding, horizontal and vertical movement is performed at the same time. To remove the stapled futon or the like from the support device, the transfer body is rotated forward or backward, and each clip is sequentially opened by the opening/closing mechanism when the clips are retracted from the feeding surface of the sewing machine main body.

When binding a large number of futons, etc., using long materials, the conveyor is moved around continuously, closing the clips that have moved to the feeding surface one after another, and closing the clips that have finished feeding the futons, etc. This is done by opening the sewing machine in sequence and moving the futon etc. while operating the sewing machine itself.

〔Example〕

The accompanying drawings illustrate one embodiment of the invention,
Reference numeral 1 in the figure is the machine frame. This machine frame 1 has slide bearings 4 mounted on vertical rails 3 laid on a base 2.
are fitted to each other and are configured to be moved in the front and back direction along the vertical rail 3 by a machine frame drive device (not shown). The sewing machine body 5 is attached to the machine frame 1 above.
The sewing machine head 6 and the sewing machine bed 7 that constitute the
Slide bearings 10 and 11 are fitted onto horizontal rails 8 and 9 provided on the machine frame 1, and are moved horizontally from side to side along the horizontal rails 8 and 9 by a moving drive device (not shown). The construction is such that they are moved in synchronization with each other, and are also operated in synchronization with each other by a sewing machine drive device (not shown).

Inside the left and right bases 2, 2, guide rails 12, 13 and rotating wheels 16, 17 made of sprocket wheels are provided.
Movable members 18, 18, 19, 19 which pivotally supported 7
However, the feed screw 2 pivotally supported on the supports 20 and 21
At the same time, the guide shafts 26 and 27, which are similarly supported by the supports 20 and 21, are screwed into the slide bearings 2 and 23.
8, 29, and is moved in the left-right direction by the rotation of feed screws 22, 23, which are turned by a movable member drive device 30, which is a servo motor, via a transmission mechanism 31, which is a timing belt, etc. It is said to be composed of

A large number of clips 3 are attached to the rotating wheels 16 and 17.
An endless transport body 33 consisting of a chain having a roller 34 with a flange is guided by the guide rails 12 and 13 and is stretched so as to be able to freely circulate in the front and rear direction. The spline shaft 14 is attached to the support body 3 along with a pair of upper and lower tension rolls 35.
6 and another spline shaft 15
is the support body 3 together with a pair of upper and lower feed rolls 37.
8, and is connected to a rotational drive device 40 made of a servo motor by a transmission mechanism 39 made of a timing belt or the like together with a feed roll 37. The clip 32 has a clamping piece 32 attached to the fixed piece 32a.
b is rotatably supported by a pin 32c, and the pinching piece 32
The tip of the fixing piece 32a is biased by a spring (not shown) in the closing direction, and the fixing piece 32a is attached to the transfer body 33 by fixing the root end of the fixing piece 32a.

Further, the feed rolls 37, 37 are for sandwiching the futon or the like W and feeding it to the right in FIG. 1, and the tension roll 35 is for sandwiching the futon or the like W and adding resistance to its movement.

Rotating wheel 1 on the entrance side into which the futon etc. W is sent
6 and the rotary ring 17 on the exit side, an opening guide (opening/closing mechanism) 41 that presses the root end 32d of the clip 32b of the clip 32 to open the clip 32b against the elasticity of the spring; 42 is bracket 4
3 and 44 are fixed to the movable members 18 and 19, respectively. Therefore, when the clip 32 moves upward from the lower return surface M around the rotary wheel 16, the root end 32d of the clip 32b is pressed by the release guide 41, and the clip 32 is in the open state and is moved upward. When it moves to the plane O and the root end 32d of the pinching piece 32b comes off the release guide 41, it immediately pinches the futon etc. W and moves it to the right in FIG.
When it approaches , it is opened by the release guide 42 to release the futon W, etc., moves from the feeding surface O around the rotary wheel 17 to the closed state, and moves to the return surface M.

Next, the operation of the sewing machine for sewing futons, etc. according to the present invention configured as described above will be explained.

Futon W between sewing machine head 6 and sewing machine bed 7
To feed the futon W, the front end of the futon W is passed between the tension rolls 35 and 35.
The clip 32 in the open state close to 5 is pulled out with a little space between the fixed piece 32a and the pinching piece 32b, and the rotary drive device 40 is activated.
Due to the operation of the rotary drive device 40, the rotary wheel 17 moves to the third position.
It rotates clockwise in the figure to circulate the transport body 33. A futon W is placed between the fixed piece 32a and the sandwiching piece 32b.
The open clip 32 inserted into the front end of the
It is moved by the movement of the transfer body 33 and comes off the release guide 41, grabs the futon W and moves from left to right in FIG. The subsequent clip 32 that circulates is moved to the opening guide 4 as described above.
After the opening state is reached by the action of step 1, the pinching piece 32
b is closed, the futon W is grabbed and moved, and the futon W is transferred between the sewing machine head 6 and the sewing machine bed 7.

After the futon W has been transferred to a predetermined position, the rotation drive device 40 is stopped to stop the movement of the futon W, and then the movable member drive device 30 is activated to rotate the feed screws 22 and 23. The movable members 18, 19 are moved to the left and right along the guide shafts 26, 27 together with the guide rails 12, 13 and the transport body 33, and the futon W is pulled laterally to make it appropriately tensioned. In this state, as usual, the sewing machine main body 5 is operated, the machine frame 1 is moved back and forth, and the sewing machine main body 5 is moved left and right to make the futon W.
Bind.

After binding one futon W, the movable member drive device 30 is operated again to bind the movable members 18 and 1.
9 etc. are returned to their original state, and the rotary drive device 4
0 is activated to move the futon W to the right in FIG. 1, and sends out a new futon W that joins the futon W that has been bound between the sewing machine head 6 and the sewing machine bed 7. At this time, the futon W moves between the feed rolls 37, 37, and thereafter the transfer body 33 and the feed roll 37,
It becomes possible to move by the traction action of 37. The clip 32 is opened at the rear end of the feed surface O by the action of the release guide 42, removes the futon W, and descends to the return surface M.

The above is an example of intermittently binding one sheet of a long futon W, but by moving the sewing machine body 5 left and right while moving the futon W without stopping the rotation drive device 40, It is also possible to bind futons W continuously. Needless to say, it is possible to bind an ordinary futon in one sheet.

As shown in FIG. 4, the sewing machine for sewing futons and the like of the present invention feeds out the outer material 50, cotton 51, and lining material 52 individually from the outer material roll 53, cotton roll 54, and lining material roll 55, overlaps them, and assembles them as they are. This is suitable for use when a sewing method such as binding at position A is employed, but is not limited to this as described above. In addition, in Figure 4, 5
6, 57, and 58 are cushion rolls, and 59 is a cutter.

Other embodiments or technical matters of the present invention will be individually described below.

(1) The movement drive device that moves the sewing machine body 5 from side to side and the sewing machine drive device that operates the sewing machine body 5 are well-known devices as shown in Japanese Patent Publication No. 18472/1983, for example. , other configurations are also possible.

(2) In addition, in the illustration, the sewing machine main body 5 is movable left and right with respect to the machine frame 1, but the sewing machine main body is fixed to the machine frame that is movable left and right,
It is also possible to configure the sewing machine body to move from side to side together with the machine frame.

(3) The opening/closing mechanism shown in the figure is configured to open the clip by the moving force of the transporting body, but the clip can also be opened/closed by an electromagnet or other force.

(4) The structure of the clip is not limited to that shown.

(5) The sewing machine body 5 can also be made swingable.

(6) It is also possible to provide a plurality of sewing machine bodies 5 to the machine frame 1.

(7) Although the transport body shown in the figure is capable of moving forward and backward in a vertical plane, it can also be constructed to be able to circulate or move freely in a horizontal plane.

[Effects of the Invention] As explained above, the sewing machine for sewing futons, etc. according to the present invention includes a sewing machine body installed in a machine frame, and a support device that supports the futon etc. between the sewing machine head and the sewing machine bed of the sewing machine body. In the sewing machine for sewing futons, etc., the sewing machine body is configured to be movable in the left-right direction, and the support device includes a plurality of clips for holding side edges of the futon, etc., and is movable in the front-back direction. A pair of left and right endless transport bodies, and when the clip enters the feed surface of the sewing machine body, each clip is closed in sequence to pinch the side edge of the futon, etc., and the clip is retracted from the feed surface. It is equipped with an opening/closing mechanism that opens each clip in sequence during sewing, and automatically transfers futons, etc. between the sewing machine head and the sewing machine bed without the need for operator intervention. Since it can be taken out from between, it does not take much time to put on and take off the futon, etc., and sewing work can be done efficiently. Further, it is also possible to continuously sew a futon or the like using a long material to reduce manufacturing costs.

[Brief explanation of drawings]

Fig. 1 is a plan view of a sewing machine for sewing futons, etc. according to the present invention, Fig. 2 is a front view cut at the movable member, Fig. 3 is a side view cut at the central part, and Fig. 4 is a transfer of the futon. This is an overall diagram of the system. DESCRIPTION OF SYMBOLS 1... Machine frame, 5... Sewing machine body, 6... Sewing machine head, 7... Sewing machine bed, 32... Clip, 33... Transfer body, 41, 42... Opening/closing mechanism,
W...Futon.

Claims (1)

[Claims] 1. In a sewing machine for sewing futons, etc., which is equipped with a sewing machine body mounted on a machine frame and a support device for supporting a futon, etc. between the sewing machine head and the sewing machine bed of the sewing machine body, the sewing machine body is movable in the left and right direction. The support device is comprised of a pair of left and right endless transfer bodies that are equipped with a plurality of clips that hold the side edges of the futon, etc. and can move freely in the front and rear directions; A futon, etc., characterized by comprising an opening/closing mechanism that sequentially closes each of the clips to pinch the side edges of the futon, etc. when the clips enter, and opens each of the clips in sequence when the clip retreats from the feeding surface. sewing machine equipment.