JPH0449193Y2 - - Google Patents

Description

[Detailed description of the invention] "Industrial field of application" When cutting a roll of fabric knitted or woven using a knitting machine, weaving machine, etc. while it is still wrapped around a machine, device, etc. This invention relates to a handy-type cutting machine that is used to cut rolled knitted, woven, etc. fabrics unloaded from a loom or the like in a folded or rolled state.

"Prior art and its problems" When cutting knitted, woven, etc. fabrics (hereinafter simply referred to as fabrics) that are in the above-mentioned state,
Uses scissors and cutter knife.

Since this cutter knife has a non-rotating blade, a large amount of resistance is applied to the blade itself or the tongue portion of the guide chute of the cloth.

As a result, the sharpness of the knife deteriorates rapidly, and normally it becomes almost impossible to cut the knife after about 20 cuts, and at the applicant's factory, it becomes difficult to cut the knife after about a day.

Also, as mentioned above, when the sharpness has deteriorated, etc.
If you forcefully pull the cutter knife, the tongue of the guide chute will break. For this reason, it is very inconvenient to use, has poor workability, and requires an unexpected amount of effort in the cutting operation. Furthermore, there are considerable economic losses.

On the other hand, there are some cutter knives that have a structure in which the cutter is formed into a disk shape, and when a part of the cutter becomes unable to cut, the cutter can be rotated in an appropriate direction and a new blade can be placed in the cutter section.

However, there are some cutter knives equipped with flat blades that can rotate, but in the case of cutter knives that can change the rotation position, it is difficult to determine which blade has deteriorated in sharpness and which part is a new blade. is difficult.

If the cutter knife with the structure detailed above has poor sharpness, it will require extra force to cut.
This would be an impossible situation for women and others.

Furthermore, conventional cutter knives usually have a structure in which a cutter is attached to a thin, flat body.

As a result, the width of the guide chute for introducing the fabric and the tongue piece become narrow, so when cutting folded or rolled fabric, the fabric located on the lower side may be accidentally scooped up. If the material is cut as is, it will end up being cut at an unplanned location, ultimately resulting in disadvantages such as fabric loss and a shortage of the required fabric.

The present applicant has seen and heard situations like this from time to time in various places.

As a prior art, there is an invention of a safety guard for fabric cutting in Japanese Patent Application Laid-Open No. 52-66794, which includes a large base almost iron-shaped, a safety guard provided with a large space above this base, and this safety guard. It is a mechanism that can cut multiple layers of fabric.

However, this invention has a large base and
In addition, since the U-shaped head has a large shape, even though it can cut smoothly into fabrics that have been folded into a flat shape, it is very difficult to insert it between fabrics that have been wound into rolls. Therefore, it is not suitable as a cutter for cutting fabrics such as knitting rolls, which is the purpose of the present invention.

In particular, since the space between the base and the U-shaped head is not fixed, it is unstable, and it is extremely difficult to cut fabrics such as roll-wound knitted fabrics in substantially straight lines.

``Means for Solving the Problems'' In view of the above, the present invention provides a guide chute with a narrow tongue piece on the backing plate portion, which is made of a narrow tongue piece, and the uppermost wrapped material such as rolled cloth etc. In addition, a small defined space is formed between the guide chute and the narrow tongue piece of the backing plate for the passage of one piece of dough, and the operator, etc. The following configuration was adopted for the purpose of improving work safety and preventing industrial accidents by avoiding contact between the fingertips of the machine and the blade of the circular flat knife.

That is, the present invention comprises: a grip part containing a built-in power source such as a storage battery or a dry battery; a main body part having a guide chute installed below the grip part for introducing fabric for knitting, weaving, etc.; and this main body part. an abutting plate part disposed below the guide chute, which forms a small defined space for introducing a piece of fabric between the plate part and the guide chute, and has a narrow tongue piece having a narrower width than the guide chute; The lower blade is inserted into the slit provided in the narrow tongue piece of this contact plate part, and the circular flat blade installed at the rear of the introduction space and the circular flat blade are driven to rotate. A handy type cutting device for knitted, woven, etc. fabrics wound in rolls, which is composed of a motor and a gear transmission mechanism installed in the main body, and is characterized in that it cuts knitted, woven, etc. fabrics one by one. It is a machine.

"Operation" Next, we will explain the operation (cutting method) of this invention.
First, hold the handle in one hand, then turn on the switch provided on the main body.

This causes the motor to rotate at high speed, and this rotation is transmitted to the circular flat blade through the gear mechanism, ultimately causing the circular flat blade to rotate at high speed.

In this state, the fabric is introduced into a defined space for entering the fabric, which is formed by the narrow tongue on the backing plate and the guide chute, which is wide relative to the tongue provided on the main body. do.

Then, when the leading edge of the fabric or the fabric at the cutting area sequentially comes into contact with the circular flat blade that rotates at high speed and is located at the rear of this defined space, the fabrics are cut almost simultaneously.

Therefore, by sequentially moving this cutting machine along the cutting line or in a desired cutting direction, the parts that come into contact with this circular flat knife are sequentially and smoothly cut, and then, as described later, The fabric is branched by the attachment piece, for example, to the left and right, and the fabric is branched.

The cutting chips fall from the defined space and from the slit provided in the tongue.

As mentioned above, within the defined space formed by the tongue piece of the contact plate part and the guide chute provided in the main body part,
In addition, since a circular flat knife that rotates at high speed is located behind this defined space, the dough can be introduced smoothly and the cut dough can be sorted by the mounting pieces of the contact plate.

Therefore, it does not require any force or skill, and the sharp cutting blade is installed within the guide chute, in other words, it is not exposed at all other than the part where the fabric is cut, and the defined space is small, The structure is such that the fingers or fingertips are not in contact with each other.

Therefore, there is almost no risk of cutting hands, fingers, or other unnecessary objects on the cutting blade, making it an extremely safe cutting machine, and in such a safe state, it is possible to cut fabrics in each of the above states. It becomes possible.

If the sharpness of the circular flat knife deteriorates, remove the backing plate, then remove the fixture that secures the shaft, and remove the shaft.

The circular flat cutter provided on the shaft can be replaced by removing the mounting member that fixes it.

However, one circular flat knife can be used continuously for about half a year.

``Embodiment'' An embodiment of the present invention will be described below with reference to the drawings. 1 is a grip part that has a built-in power source 2 such as a storage battery or a dry battery, and as shown in the figure, it is easy to grip and has a small height dimension. Therefore, it is formed into an almost semi-cylindrical shape.

Further, below the grip 1, there is provided a main body 3 which is a long cube and has a wide width and is continuous from the lower end 1a of the grip.

Now, the tip 3a of the main body 3 (in FIG. 1,
On the right side (facing side), smooth introduction of fabric,
A wide guide chute 4 is formed for the purpose of maintaining an appropriate cutting location in a substantially horizontal state.

At least the main body portion 3 is ideally made of a material having smoothness and lightness, such as plastic. Further, it is preferable that the rising dimension is also small.

In the figure, 5 is located below the main body 3, and between it and the guide chute 4 is a small defined space 6 for introducing a piece of fabric (the defined space is a narrow space between the lower surface of the guide chute 4 and the guide chute 4). This means that the gap formed between the upper surface of the tongue piece 7 and the upper surface of the tongue piece 7 has a certain size. It is attached to the rear of the main body part 3 via an attachment piece 8 provided on the left side in FIG. 1 (the same applies hereinafter).
In this example, the contact plate portion 5 is attached to the main body portion 3 via a mounting tool 9 provided on the mounting piece 8.
It is attached to the lower end 3b of the.

As shown in the figure, the guide chute 4 has a wide shape in contrast to the narrow tongue piece 7 of the contact plate portion 5, and has a structure that can hold the front side of the cut surface of the cutting material almost flat. It's summery.

Although an example in which the grip portion 1 and the main body portion 3 are configured in an assembled manner has been described above, the present invention is not limited to this example, and of course, an example in which these are configured integrally is also possible.

In the figure, 10 is a circular flat knife;
The lower blade 10a is inserted into the slit 5a provided in the narrow tongue piece 7 of the abutment plate portion 5, and is mounted behind the introduction defined space 6 via the shaft rod 11.

A device for rotationally driving the circular flat cutter 10 is composed of a motor 12, a gear transmission mechanism 13, and a shaft 11, which are provided in the main body 3.
Therefore, after the rotation of the motor 12 and the gear transmission mechanism 13 is transmitted to the shaft rod 11, the rotation of the motor 12 and the gear transmission mechanism 13 is transmitted to the shaft rod 11.
This is transmitted to the circular flat knife 10 fixed via the mounting member 14, and the circular flat knife 9 is rotated at high speed.

If the sharpness of the circular flat knife 10 deteriorates, it is replaced with a new knife of the same type. In this case, first, the contact plate 5 is removed, and the lower blade 10a of the circular flat knife 10 becomes free. Therefore, the fixture 15 that fixes the shaft rod 11 is removed, and the shaft rod 11 is removed.

Then, the circular flat knife 1 provided on this shaft rod 11
By removing the attachment member 14 that fixes the old circular flat knife 10, the removal work of the old circular flat knife 10 is completed.

Therefore, first of all, we will introduce a new circular flat knife (not shown).
After inserting into the shaft rod 11, first insert the mounting member 14.
is attached, and the circular flat cutter 10 is fixed to the shaft rod 11.

Subsequently, the shaft 11 on which the circular flat cutter 10 is mounted is mounted on the main body 3, and then attached using the fixture 15.

Thereafter, by attaching the contact plate portion 5 using the attachment tool 9, the replacement of the circular flat knife 10 is completed.

In the figure, 17 is a switch provided in the main body 3 (not limited to the main body 3), 18 is a casing of the motor 10, and 19 is a casing of the gear transmission mechanism 13.

In this example, the gear transmission mechanism 13 is composed of a worm provided on the output shaft of the motor 18 and a worm wheel that fits into the worm, but this example can be used if the gear transmission mechanism 13 has a compact structure. but not limited to.

"Effect of the invention" As detailed above, the present invention has a wide guide chute with a narrow tongue piece on the backing plate.
The narrow tongue piece has the effect of making it possible to reliably introduce and cut the rolled fabric or the topmost fabric of the rolled fabric one by one.

In addition, in the present invention, since the defined space formed by the guide chute and the narrow tongue piece is small, in combination with the narrow tongue piece structure, the rolled fabric is rolled one by one. It can be introduced and cut reliably, and it can avoid contact with the operator's fingertips or the blade of the circular flat knife, thereby improving work safety and preventing industrial accidents. have

Furthermore, since the defined space formed by the guide chute and the narrow tongue piece always has a constant size, it is possible to introduce and handle a piece of fabric under constant conditions, which is useful and effective. It is practical and
In addition, there is no need to introduce or cut two or more pieces of fabric at the same time, and the cutting of the fabric can be easily done by any person without requiring any skill.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a perspective view from above, FIG. 2 is a reduced side sectional view, and FIG. 3 is a reduced front sectional view. 1... Grip, 2... Power supply, 3... Main body, 4...
... Guide chute, 5 ... Contact plate part, 5a ... Slit, 6 ... Determined space, 7 ... Tongue piece, 8 ... Mounting piece, 9 ... Mounting tool, 10 ... Circular flat knife, 1
1... Axis rod, 12... Motor, 13... Gear transmission mechanism, 14... Mounting member, 15... Fixture, 1
7... Switch, 18, 19... Casing.

Claims (1)

[Scope of utility model registration request] A grip part that has a built-in power source such as a storage battery or a dry cell battery, a main body part that has a guide chute installed below the grip part for introducing fabrics for knitting, weaving, etc. A contact plate portion having a narrow tongue piece formed between the guide chute and the guide chute for introducing a piece of fabric, and having a narrow tongue piece narrower than the guide chute; A circular flat blade whose lower blade is inserted into a slit provided in a narrow tongue piece and which is mounted at the rear of the introduction space, and a main body that drives the circular flat blade to rotate. A handy-type cutting machine for knitted, woven, etc. fabrics wound in rolls, which is composed of a motor and a gear transmission mechanism, and is characterized in that it cuts knitted, woven, etc. fabrics one by one.