JPH0111174Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a hair trimming device for a fur sewing machine that sews the side edges of fur.

Generally, fur is sewn using a fur sewing machine that is configured to sandwich the fur between an intermittent drive cup and a movable cup, and sew the side edges of the fur using the sandwiched portion. By the way, when sewing fur as described above, for example, if the hair of the fur is sandwiched inside and sewn, the hair may protrude outward from the side edges of the sewn fur. ,
The hair near the side edges must be pushed down into the fur.

By the way, when pushing down the hair near the side edges of the fur inward as described above, this was done by inserting an awl or the like between the furs to be sewn together and moving the awl from side to side. However, this method requires a high level of skill and skill from the operator, and has the drawback of poor work efficiency even when the work is carried out by a skilled person. For this reason, a method has recently been adopted in which air is blown onto the hair of the fur to push it inward just before the fur is sewn together.

However, a device equipped with a jet nozzle that blows air onto the fur hair as described above is complicated to operate, especially when the fur is installed between an intermittent drive cup and a movable cup or when the fur is being sewn together. In order to operate the device in a state where it can perform the above-mentioned work, it is necessary to go through quite complicated procedures when dealing with sewing defects that occur during the process.

This idea was made in view of the above circumstances.
Even when installing fur between an intermittent drive cup and a movable cup, or when fixing sewing defects that occur in fur that is being sewn together, it is possible to perform the above operations with simple operations. The purpose of the present invention is to provide a hair conditioning device for a fur sewing machine that can air-condition the hair at the side edge of the fur, which is provided on the fur feeding side between the intermittent drive cup and the movable cup. An air jet nozzle that moves the ends of the hair by spraying it with
It is attached to a circumferentially rotatable interlocking shaft via a nozzle base, and furthermore, an interlocking lever that is rotated by a pedal or the like is connected to the interlocking shaft via a link mechanism, and the operation of the link mechanism is It is characterized in that a stopper member is provided on the surface to restrict the rotation of the link and prevent the return rotation of the jet nozzle.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 to 7 show an embodiment of this invention. The symbol A shown in these figures is a well-known fur sewing machine, and this fur sewing machine A sandwiches a fur 4 between an intermittent drive cup 2 and a movable cup 3 attached to a sewing machine frame 1.
The pinching portion is configured to sew the side edges of the fur 4.

A transmission base 22 is fixed to the front surface 1a of the sewing machine frame 1 with screws 23. This transmission base 22 has bearing holes 22a and 22b.
A transmission shaft 24 is formed in a bearing hole 22b located at a position protruding laterally of the sewing machine frame 1.
is inserted rotatably. The transmission shaft 24 is attached to the back surface 1b of the sewing machine frame 1 by a screw 2.
The starting lever 27 is rotatably inserted through the transmission shaft support plate 25 fixed by the transmission shaft support plate 6, and a starting lever 27 is fixed to the end portion of the rear surface of the transmission shaft support plate 25 by a screw 30. Furthermore, one end of the interlocking lever 20 is fixed to the end of the transmission shaft 24 in front of the transmission base 22 by a screw 21. With the above configuration, the transmission shaft 24 is prevented from moving in the axial direction with respect to the transmission base 22 and the transmission shaft support plate 25, and the transmission shaft 24 is prevented from moving in the axial direction with respect to the transmission base 22 and the transmission shaft support plate 25. 20 can be rotated. At the bottom of the interlocking lever 20, when the interlocking lever 20 rotates a jet nozzle, which will be described later, in a direction away from the fur 4,
A stopper is provided to hold the interlocking lever 20 in that position. The stopper includes a stopper base 55 attached to the front surface 1a of the sewing machine frame 1 by a screw 60, a gripper 53 rotatably attached to the stopper base 55 by a pin screw 54, and a gripper 53 that projects outward in the radial direction. It consists of an attached stopper screw (stopper member) 58, and a gripper 53.
By rotating the stopper screw 58, the interlocking lever 20 is brought into contact with the interlocking lever 20, thereby preventing the interlocking lever 20 from rotating.

On the other hand, one end of an interlocking plate 18 is attached to the other end of the interlocking lever 20 so as to be rotatable around a screw 19, and one end of an intermediate lever 16 is attached to the other end of the interlocking plate 18 so as to be rotatable around a screw 19. It is rotatably mounted on the Here, the intermediate lever 16, the interlocking plate 18, the screw 19, and the interlocking lever 20 constitute a link mechanism, and the intermediate lever 16 is located behind the bearing hole 22a of the transmission base 22. There is.
Furthermore, the other end of the intermediate lever 16 is provided with the bearing hole 22a.
One end of the interlocking shaft 13, which is rotatably inserted through the shaft, is fixed by a screw 17. A collar 14 that prevents axial movement of the interlocking shaft 13 with respect to the transmission base 22 is fixed to the interlocking shaft 13 in front of the transmission base 22 with a screw 15. Further, a grip screw 56 is fixed to the collar 14 via a nut 57, and by moving the grip screw 56, the interlocking shaft 13 can be rotated. Furthermore, a male screw 13a is formed at the other end of the transmission shaft 13, and a nozzle base 10 is attached to this male screw 13a via a nut 12. The nozzle base 10 can be moved back and forth by moving a nut 12. A jet nozzle 9 is attached to the nozzle base 10 with a screw 11.
It can be moved up and down by loosening the . Furthermore, at the lower end of the jet nozzle 9,
A guide shoe 5 for guiding the fur 4 is attached by a screw 6, a spring washer 7, and a nut 8, and the guide shoe 5 is connected to the spout of the jet nozzle 9, and the fur 4 is connected to the intermittent drive cup 2 and the movable cup 3.
It is configured to be located in front of the position sandwiched between. With the above configuration, the ejection nozzle 9 is rotated in the direction of arrow B about the interlocking shaft 13 as the transmission shaft 24 rotates, and is separated from the fur 4.

On the other hand, an air hose 51c is attached to the upper part of the jet nozzle 9. The air hose 51c is attached to the flow control valve 37 as shown in FIGS. 5 and 6, and the air hose 51c is connected to the mechanically operated valve 39 on the suction side of the flow control valve 37.
It is connected by b. The mechanically operated valve 39 is provided with a push pin 44 that is attached to a first pedal 40 via a pusher plate 42, and the mechanically operated valve 39 is opened and closed by operating the first pedal (pedal) 40. It's summery. A regulator 38 is attached to the suction side of the mechanically operated valve 39 via an air hose 51a, and on the upstream side of the regulator 38,
An air compressor 50 is attached via an air hose 51.

Further, the starting lever 27 fixed to the end of the transmission shaft 24 has a screw hole 27a formed at one end, and a spring tension screw 31 is attached with a nut 32. One end of a coil spring 35 is attached to the spring draw screw 31, and the other end of the coil spring 35 is attached to the back surface 1b of the sewing machine frame 1.
It is supported by a spring draw screw 33 attached to. Further, a chain hole 27c is formed at the other end of the starting lever 27, and a chain 36 is hung in this chain hole 27. Also, the chain hole 2 in the starting lever 27 is
There is a screw hole 2 between 7c and the attachment part of the interlocking shaft 24.
7b is formed, and a screw 28 and a nut 29 are attached to this screw hole 27b. The nut 29 comes into contact with the wall surface of a notch 25a formed in the transmission shaft support plate 25, and controls the rotation of the starting lever 27. On the other hand, the lower end of the chain 36 is attached to the center of a lever 48 whose one end is rotatably supported on the lower surface of the sewing machine table 46.
A chain 34 whose lower end is attached to the second pedal 41 is attached to the other end.

Next, the operation of the apparatus configured as described above will be explained.

First, when sewing the fur 4, the position of the spout of the spout nozzle 9 is adjusted by loosening the screw 11 and nut 12, and the position of the guide shoe 5 is adjusted by loosening the screw 6. Next, after operating the air compressor 50, the sewing machine is operated. Then, while adjusting the flow rate of air ejected from the ejection nozzle 9 using the flow control valve 37 and the mechanically operated valve 39, the hair near the side edges of the fur 4 is blown inward by the air, and the fur is sequentially sewn.

In addition, when installing the fur 4 between the intermittent drive cup 2 and the movable cup 3, or when sewing defects such as skipped stitches occur when sewing the fur 4, an operation to separate the jet nozzle 9 from the fur 4 is performed. First, the user depresses the second pedal 41 and pulls the chain 34 downward. The above operation is then transmitted to the lever 48 and chain 36, and the starting lever 27 rotates against the biasing force of the coil spring 35. Furthermore, as the starting lever 27 rotates, the interlocking lever 2
0 rotates, and the operation of the interlocking lever 20 is transmitted to the interlocking plate 18, intermediate lever 16, and interlocking shaft 13, and the ejection nozzle 9
Rotate in the direction of arrow B. If it is desired to hold the jet nozzle 9 in a position separated from the fur 4 for a long time, the gripper 53 is rotated to bring the stopper screw 58 into contact with the interlocking lever 20 as shown in FIG. Rotation of the interlocking lever 20 is prevented. after that,
To return the jet nozzle 6 to its original position, either release the pressure on the second pedal 41 or press the interlocking lever 20.
The stopper screw 58 is released from contact with the stopper screw 58. With this operation, the starting lever 27 returns to its original position due to the urging force of the coil spring 35, and the interlocking lever 20, interlocking plate 18, and intermediate lever 16 operate in the opposite manner to the above-mentioned operations, and the jet nozzle 9 returns to its original position. return.

As explained in detail above, according to this invention, in a fur sewing machine, air is blown onto the hair at the side edge of the fur provided on the fur feeding side between the intermittent drive cup and the movable cup. An air jet nozzle that moves the tips of the hair is attached to a circumferentially rotatable interlocking shaft via a nozzle base, and an interlocking lever that can be rotated by a pedal or the like is attached to the interlocking shaft via a link mechanism. Connect and also
A stopper member is provided on the operating surface of the link mechanism to restrict the rotation of the link and prevent the return rotation of the jet nozzle, so the jet nozzle can be moved to a position away from the fur with a simple operation, and the state can be held. For this reason, when installing fur between a pair of cups, or when dealing with sewing defects that occur in fur that is being sewn together,
It has advantages such as being able to be put into a state where work can be done easily, improving work efficiency, and being easy to handle even for beginners.

[Brief explanation of the drawing]

Figures 1 to 7 all show one embodiment of this invention, and Figure 1 is a perspective view showing the configuration in which the hair trimming device of this invention is attached to a fur sewing machine, and Figure 2 is the same. Front view, Figure 3 is the same side view, Figure 4
The figure is an exploded view showing the installation structure of the jet nozzle.
The figure is a front view showing the air circulation path and the operation path of the jet nozzle, FIG. 6 is a side view of the same, and FIG. 7 is a schematic configuration diagram when the jet nozzle is held in a state separated from the fur by a stopper. . A... Sewing machine for fur sewing, 2... Intermittent drive cup, 3... Movable cup, 4... Fur, 9... Spout nozzle, 10... Nozzle base, 13... Interlocking shaft,
16... Intermediate lever (link mechanism), 18... Interlocking plate (link mechanism), 19... Screw (link mechanism), 2
0... Interlocking lever (link mechanism), 40... First pedal (pedal), 58... Stopper screw (stopper member).

Claims (1)

[Scope of utility model registration request] In a fur sewing machine that is configured to sandwich fur between an intermittent drive cup and a movable cup and sew the side edges of the fur at the pinched portion, the fur feed side of the pair of cups has a fur An air jet nozzle that blows air to the hair on the side edges and blows the tips of the hair inside the fur is attached to a circumferentially rotatable interlocking shaft via a nozzle base, and the interlocking shaft is equipped with a pedal, etc. An interlocking lever that is rotated by the link mechanism is connected via a link mechanism, and a stopper member is provided on the operating surface of the link mechanism to restrict the rotation of the link and prevent the return rotation of the jet nozzle. A hair trimming device for a fur sewing machine characterized by: