JP2004089558A - Cloth chip storing device of hemstitching sewing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cloth chips storing device of hemstitching sewing machine capable of moving a containing device for containing cut chips to a standby position containing in a cloth table. <P>SOLUTION: The cloth chips storing device of hemstitching sewing machine comprises the cloth table (5) supporting a sewing matter on the upper surface, a cutting device (6) arranged close to the one end of the cloth table for cutting the edge of the sewing matter prior to sewing, a looper cover (7) in which a guide surface for guiding downward a cut chip cut with the cutting device is formed, and a container (8) for collecting cut chips guided along the guiding surface of the looper cover. The container vessel is supported capable of moving to and from the standby position contained in the cloth table and the collection position collecting cut chips in the constitution. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cloth waste storage device for an overlock sewing machine.
[0002]
[Prior art]
Conventionally, as a device relating to a cloth waste storage device of an overlock sewing machine, for example, a device described in Utility Model Registration No. 2584354 has been proposed. In this apparatus, a mounting member 22 of an end cutting case 21 for accommodating cloth waste is disposed near a base plate 20 at the bottom of the sewing machine. The attachment member 22 is configured to be movable between a use position where the attachment member 22 is pulled out from the main body frame and a storage position where the attachment member 22 is stored in the main body frame. Then, before the sewing member is started, the attachment member 22 is pulled out to the use position, and then the end cutting case 21 is attached to the attachment member 22. At the end of sewing, after the cut-off case 21 is detached and attached, the mounting member 22 is stored in the machine frame of the sewing machine so that it can be stored compactly in a case or the like of the sewing machine.
[Patent Document 1]
Japanese Utility Model Registration No. 2584354
[Problems to be solved by the invention]
However, in the conventional apparatus, in order to store the attachment member 22 after the sewing is completed, it is necessary to remove the end cutting case 21 from the attachment member 22 without fail. Therefore, it is necessary to treat the cloth waste even when the generation of the cloth waste is small. Further, it is necessary to store the sewing machine main body and the cut-and-cut case 21 separately, and the cut-and-cut case 21 is easily lost.
[0004]
The present invention has been made in order to solve the above-mentioned conventional problems, and a storage container for storing cuttings, a cloth waste storage device for an overlock sewing machine capable of storing the storage container in a cloth base. The purpose is to provide.
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the invention according to claim 1 is:
A cloth table (5) for supporting the sewn product on its upper surface;
A cutting device (6) arranged close to one end of the cloth base and for cutting an edge of a sewn material before sewing;
A looper cover (7) having a guide surface for guiding the chips cut by the cutting device downward,
A cloth waste storage device for an overlock sewing machine, comprising: a storage container (8) for collecting chips guided along the guide surface of the looper cover.
The storage container is configured to be movably supported at a standby position where the storage container is stored on the cloth table and at a collection position where the chips are collected.
[0006]
According to the first aspect of the present invention, the storage container is movably supported between the standby position and the collection position. For this reason, when the amount of chips in the storage container is small after the sewing operation, the chips are not scattered even if the storage container is moved to the standby position and the sewing machine is stored as it is. The supporting structure of the storage container may be a combination of a groove and a rail with respect to the sewing machine frame including the cloth table, a groove for supporting the side surface of the storage container, or the like.
[0007]
According to a second aspect of the present invention, in the cloth waste storage device for the sewing machine according to the first aspect,
The storage container and the cloth table had a configuration in which rails (5b, 5c) were formed on one side and grooves (8b, 8c) fitted on the rail were formed on the other side. According to the second aspect of the present invention, the support structure of the storage container is configured with a simple configuration.
[0008]
According to a third aspect of the present invention, in the cloth waste storage device for a sewing machine according to the first or second aspect, the storage container and the cloth table are engaged with a hinge hook (9a) on one side and engaged with the hinge hook on the other side. Recesses (8da, 8db) are formed so that the storage container can be held at the standby position and the collection position.
[0009]
According to the third aspect of the present invention, since the storage container is held at the standby position and the collection position, the operator can easily operate the cloth waste storage container.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS.
[0011]
As shown in FIG. 1, the sewing machine main body 1 includes an arm 2 and a bed 3. The arm 2 is equipped with a needle bar (not shown) and a sewing needle at the lower end thereof. By the cooperation of the sewing needle and a looper (not shown) provided in the bed portion 3, an overlock stitch is formed at the edge of the work cloth.
[0012]
The bed part 3 is composed of a needle plate 4 and a cloth base 5 arranged so as to surround the needle plate. On the right end side of the cloth base 5, a fixed knife 6 is provided. Above the fixed knife 6, a movable knife (not shown) which moves up and down in conjunction with the main shaft of the sewing machine is provided. By the cooperation of the fixed knife 6 and the movable knife, a cutting device for cutting the edge of the sewn material before forming the overcast stitch is formed.
[0013]
A looper cover 7 is provided on the right side of the fixed knife 6 so as to face the worker. The looper cover 7 is rotatably attached to a worker at a lower edge so that the looper cover 7 can be opened and closed when threading a looper built in the machine frame. The looper cover 7 has a concave guide surface 7a formed on the left end side near the cutting device. The guide surface 7a guides the chips cut by the cutting device so as to fall downward to a predetermined position.
[0014]
A storage container 8 for storing chips is stored in the extending portion 5a of the cloth base 5 extending from the looper cover 7 in the direction opposite to the cloth feeding direction.
[0015]
The extending portion 5a of the cloth base 5 has a box shape, and rails 5b and 5c are formed inside the side plate 5d and the bottom plate 5e in a direction perpendicular to the cloth feeding direction X, respectively. A support plate 9 is provided on the needle plate side 4 in parallel with the cloth base side plate 5d. A hinge-like hook 9a is formed on the tip side of the support 9. The hinge-shaped hook 9a is formed to protrude in an arc shape from the notch 9b of the support plate 9 toward the cloth base side plate 5d, and one end thereof is connected to the support plate 9. The hinge-shaped hook 9a is elastically deformable, approaches the support plate 9 when pressed, and returns to the original state when released.
[0016]
The storage container 8 is box-shaped and has an upper surface open. An operation notch 8a used for pulling out the storage container 8 is formed on a side portion of the storage container 8 located on the opening side of the cloth base 5. Further, straight grooves 8b and 8c are formed on the bottom and side surfaces of the storage container 8, respectively. The straight grooves 8b and 8c of the storage container 8 are fitted with play to the rails 5b and 5c of the cloth base 5, respectively.
[0017]
In the side plate 8d of the storage container 8 on the side facing the support plate 9, concave portions 8da and 8db and a stopper portion 8e are formed. The recesses 8 da and 8 db engage with the hinge-like hooks 9 a of the support plate 9, and can hold the storage container 8. The position where the hinge-shaped hook 9a of the support plate 9 and the concave portion 8da of the storage container 8 are engaged is a standby position (shown in FIG. 1) where the storage container 8 is stored inside the cloth base 5. The position where the hinge-shaped hook 9a of the support plate 9 and the concave portion 8db of the storage container 8 are engaged is a collection position (shown in FIG. 2) where the storage container 8 is pulled out and the chips are collected. . The collection position is a position where the storage container 8 is located below the looper cover guide surface 7a.
[0018]
The stopper 8e of the storage container is arranged so as to be able to abut on the tip 9c of the support plate 9. When the worker attempts to push the storage container 8 beyond the standby position, the stopper 8e of the storage container comes into contact with the tip 9c of the support plate 9, and the movement of the storage container 8 is stopped.
[0019]
The operation of the first embodiment will be described.
[0020]
First, the worker pulls out the storage container 8 from the cloth table 5 and moves the storage container 8 to the collection position shown in FIG. This collection position is a position where the hinge-shaped hook 9a of the support plate 9 and the concave portion 8db of the storage container 8 are engaged. Then, by these engagements, the operator can easily confirm the position.
[0021]
Next, when sewing is started in a state where the storage container 8 is held at the collection position, the edge of the sewn product is cut by the cutting device, while the sewing needle is looped over the edge of the sewn product in cooperation with the looper. A seam is formed. Then, the cut pieces of the sewn product are guided downward by the cutting device along the guide surface 7a of the looper cover, and then stored in the storage container 8.
[0022]
Next, when the sewing is completed, the storage container 8 is pushed in the direction of the cloth table 5, and the storage container is moved to the standby position below the cloth table shown in FIG. The operator can easily confirm this standby position by engaging the hinge-shaped hook 9a of the support plate 9 and the recess 8da of the storage container 8.
[0023]
According to the first embodiment, the storage container 8 is movably supported at the standby position and the collection position. For this reason, when the amount of chips in the storage container is small after the sewing operation, the chips are not scattered even if the storage container is moved to the standby position and the sewing machine is stored as it is. Further, since the storage container 8 is stored in the cloth table 5 extending from the front surface of the looper cover 7 toward the operator, the operation of moving the storage container 8 is easy.
[0024]
Further, the storage container 8 and the cloth table 5 are formed with a hinge-shaped hook 9a on one side and concave portions 8db and 8da engaged with the hook on the other side, so that the storage container can be held at a standby position and a collection position. There was a certain configuration. For this reason, since the storage container is held at the standby position and the collection position, the operator can easily operate the cloth waste storage container.
[0025]
The present invention can be variously modified without being limited to the above embodiment.
For example, in the above-described embodiment, the storage container 8 is movably supported by the straight grooves 8b and 8c of the storage container 8 and the rails 5b and 5c of the cloth base 5 at the standby position and the collection position. Instead of this, it is easily considered that the side surface of the storage container 8 is fitted to the support plate 9 and the cloth base side plate 5d with play.
[0026]
Further, the storage container 8 is stored inside the cloth table 5 at the standby position, but instead of this, the bottom of the cloth table 5 can be raised to easily store the cloth table 5 at the bottom. Conceivable.
[0027]
The storage container was held at the standby position and the collection position by the hinge 9a of the support plate 9 and the recesses 8da and 8dbb of the storage container 8, but instead of this, two hinges were added to the support plate 9 and one to the storage container. It is easily conceivable to provide a concave portion as described above, or to adopt a reverse configuration.
[0028]
【The invention's effect】
According to the first aspect of the present invention, the storage container is movably supported at the standby position and the collection position. For this reason, if the amount of chips in the storage container is small after the sewing operation, the chips are not scattered even if the storage container is moved to the standby position and the sewing machine is stored as it is.
[0029]
According to the second aspect of the present invention, an inexpensive device is provided because of the simple support structure of the rail and the groove.
[0030]
According to the third aspect of the present invention, since the storage container is held at the standby position and the collection position, the operator can easily operate the cloth waste storage container.
[Brief description of the drawings]
FIG. 1 is a perspective view of a first embodiment according to the present invention, in which a storage container is at a standby position.
FIG. 2 is a perspective view of the first embodiment according to the present invention, in which a storage container is at a collection position.
FIG. 3 is a partially enlarged view of the storage container and the cloth table of the first embodiment.
FIG. 4 is a partially enlarged view of the storage container and the cloth table of the first embodiment.
[Explanation of symbols]
5 Cloth base 6 Fixed knife (cutting device)
7 Looper cover 8 Storage container 5b Rail 5c Rail 8b Groove 8c Groove 9a Hinge-like hook 8da Concave 8db Concave

Claims (3)

A cloth table supporting the sewn product on its upper surface,
A cutting device arranged close to one end of the cloth base and for cutting an edge of a sewn product prior to sewing;
A chipper cut by the cutting device, a looper cover formed with a guide surface for guiding downward,
In a cloth waste storage device of an overlock sewing machine, comprising a storage container for collecting chips guided along the guide surface of the looper cover,
The above-described storage container is movably supported at a standby position where the storage container is stored in a cloth table and a collection position where the chips are collected, and the cloth waste storage device for an overlock sewing machine. The cloth waste storage device for a sewing machine according to claim 1,
The storage container and the cloth table are provided with a rail on one side and a groove for fitting the rail on the other side, and a cloth waste storage device for an overlock sewing machine. The cloth waste storage device for a sewing machine according to claim 1,
The storage container and the cloth base are formed with a hinge-shaped hook on one side and a concave portion that engages with the hook on the other side, and the storage container can be held at a standby position and a collection position. Sewing cloth waste storage device.

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