JPH0734372A - Cutter holder - Google Patents

Abstract

PURPOSE:To provide a cutter holder capable of simply attaching a cutter without curving the cutter. CONSTITUTION:A right side member 2 comprises a right side main body 2a and a right side head 2b at the tip of the right side main body. A small hole 5 is punched at a position of the right side head 2b on the extended line of the upper side of the right side main body. An intermediate member 3 comprises an intermediate main body 3a and an intermediate head 3b at the tip of the intermediate main body. The front-and-upper part of the intermediate main body is notched in a rectangular shape to form a notched part 6 having a projection 8 at its rear upper end. A semi-circular notch 9 is formed in the intermediate head at its part corresponding to the small hole of the right side head 2b. A left side member 4 comprises a left side main body 4a and a left side head 4b at the tip end of the left side main body. An elastic press piece 10 is disposed in the left side head at its part corresponding to the semi-circular notch of the intermediate head 3b. The right side member 2, the intermediate member 3 and the left side member 4 are adhered to each other and subsequently spot-welded.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutter holder for an automatic machine used when manufacturing a woven carpet of a cutting type.

[0002]

2. Description of the Related Art Woven carpets are roughly classified into loop type and cutting type depending on the surface condition. The loop type is one in which threads are woven into the surface in a loop shape, and the cutting type is one in which the threads woven in a loop shape are cut and the hair is planted on the surface.

Here, a method for manufacturing a cutting type carpet will be briefly described. As shown in FIG. 7, first, a plurality of elongated rectangular holders 30 having cutters 34 attached to the ends thereof are arranged at equal intervals in conjunction with an automatic machine, and then the yarns 37 are wrapped in a loop so as to wrap each holder 30. Weave it into. Then, by pulling the holder 30 (arrow r), the loop-shaped thread 37 is sequentially cut by the blade tip of the cutter 34.

Next, the structure of a conventional cutter holder will be described. As shown in FIG. 5, the cutter holder 3
Reference numeral 0 is composed of an elongated rectangular main body 31, a head 32 provided at the tip of the main body 31, and a cutter accommodating portion 33 provided at the front of the main body 31 with an upper opening. Are integrally molded. In addition, a pressing portion 35 that presses the side surface of the cutter 34 (see FIG. 6) is provided at the tip of the upper side of the cutter accommodating portion 33, and the head 32 has a notch that matches the shape of the tip of the cutter 34. Part 36
Is provided. Thereby, the tip of the cutter 34 can be held. Further, the upper end of the rear end of the cutter accommodating portion 33 is closed (see FIG. 6), whereby the rear part of the cutter 34 can be retained.

Then, as shown in FIG. 6A, the rear end of the cutter 34 is inserted into the rear end of the cutter accommodating portion 33,
If the front portion of the cutter 34 is pushed between the pressing portion 35 and the inner surface of the cutter accommodating portion 33 (arrow q in FIG. 6A) and the tip portion of the cutter 34 is fitted into the notch portion 36, the cutter 34 can be reliably accommodated in the cutter accommodating portion 33 (FIG. 6B).

By the way, in the past, since the material of the cutter was steel, the cutting edge was worn out in a short time and it was necessary to replace the cutter frequently.
Therefore, the present inventor considered using a ceramic cutter having excellent durability instead of the steel cutter.

[0007]

However, when the holder 30 having the conventional structure as described above is used,
By pressing one side of the cutter 34 in contact with the pressing part 35 and the other side in contact with the surface of the head 32 (arrow q in FIG. 6A), the tip of the cutter 34 is moved. It is necessary to fit the notch 36. Therefore, when attaching the cutter 34 to the holder 30, the cutter 3
4 itself is curved and may be cracked when a ceramic cutter is used. in this way,
The holder 30 having the conventional structure is not suitable as a holder for mounting a ceramic cutter, and it is necessary to develop a cutter holder having a new structure.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cutter holder that can be easily attached without bending the cutter.

[0009]

In order to achieve the above object, a cutter holder according to the present invention comprises an elongated rectangular main body, and a cutter accommodating portion formed by opening the front part of the main body upward. A cutter holder including at least a retaining portion formed at one end of the cutter accommodating portion, wherein an elastic pressing piece is provided at the other end of the cutter accommodating portion.

In the above construction, the right side member, the intermediate member and the left side member are bonded together, the upper side is cut out at the front part of the intermediate member to form a cutter accommodating portion, and the left side member is formed. It is preferable to form the pressing piece by making a notch having a substantially U shape and bending it toward the inside. Further, in this case, it is preferable to further form a small hole in the right side member so as to correspond to the pressing piece.

[0011]

According to the structure of the present invention, if the rear end of the cutter is inserted into the rear portion of the cutter accommodating portion and the tip portion of the cutter is pushed in as it is, the entire cutter is accommodated in the cutter accommodating portion and the tip side surface of the cutter is accommodated. Is pressed by the pressing piece, and the cutter is securely housed and held in the cutter housing part. Therefore, when the cutter is attached, the cutter does not bend as in the conventional case, and therefore the ceramic cutter does not crack. Also, when removing the cutter, it is sufficient to pull it out. As described above, not only can the cutter made of ceramic be used, but also the cutter can be easily attached and detached, so that a cutter holder excellent in practical use can be provided.

In the above structure, the right member, the intermediate member, and the left member are bonded together,
Forming a cutter accommodating portion by notching the upper side in the front portion of the intermediate member, and making a substantially U-shaped notch in the left member,
According to the preferable configuration in which the pressing piece is formed by bending inward, each member can be easily molded by etching or the like, and the cutter holder can be manufactured by simply bonding and spot welding these members. Therefore, the manufacturing process can be simplified as compared with the conventional integrally molded product. Further, in this case, according to the preferable configuration in which the small hole is formed in the right side member so as to correspond to the pressing piece, even when the pressing force of the pressing piece is increased, the awl is inserted through the small hole and the pressing piece is inserted. Since the pressed state of the tip of the cutter can be released by pushing, the cutter can be easily removed.

[0013]

EXAMPLES The present invention will be described in more detail below with reference to examples. (Embodiment 1) FIG. 1 is a perspective view showing an embodiment of a cutter holder according to the present invention, FIG. 2 is a front view showing constituent members of the cutter holder of FIG. 1, and FIG. It is explanatory drawing which shows the state attached.

As shown in FIGS. 1 and 2, a cutter holder (hereinafter referred to as “holder”) 1 is composed of a right side member 2, an intermediate member 3 and a left side member 4 made of stainless steel. The right side member 2 is a right and left main body 2 having an elongated rectangular shape.
a and the right side head 2 provided at the tip of the right side body 2a
It consists of b and. Here, the right head portion 2b has a shape in which the width becomes narrower toward the tip. In addition, a small hole 5 is formed in the right head portion 2b on an extension line of the upper side of the right main body 2a, and an awl or the like can be inserted from this small hole 5.

The intermediate member 3 is composed of an elongated rectangular intermediate body 3a and an intermediate head 3b provided at the tip of the intermediate body 3a. Where the middle head 3
The tip of b is vertically cut, and the tip of the right side head portion 2b is in a state of protruding from this vertical portion. Further, a notch 6 is provided in the front part of the intermediate part body 3a by cutting out the upper side in a rectangular shape, and the cutter 7 can be housed in the notch 6. (See Figure 3). A protrusion 8 is formed on the rear end of the notch 6 so that the rear end of the cutter 7 can be prevented from coming off. Further, in the intermediate head portion 3b, a semicircular cutout portion 9 is formed in a portion of the right head portion 2b corresponding to the small hole 5.
Is provided.

The left side member 4 is composed of an elongated rectangular left side body 4a and a left side head 4b provided at the tip of the left side body 4a. In addition, the left side head 4b
Also, similarly to the intermediate head 3b, the tip thereof is vertically cut. The left head portion 4b is provided with a pressing piece 10 at a portion corresponding to the cutout portion 9 of the intermediate head portion 3b. The pressing piece 10 is formed by making a horizontal U-shaped cut in the left head 4b and bending it toward the notch 9 of the intermediate head 3b, and has elasticity. Thereby, the front end portion of the cutter 7 can be prevented from being pulled out by pressing the side surface of the tip end portion of the cutter 7 housed in the cutout portion 6 of the intermediate portion main body 3a.

Then, the right side member 2, the intermediate member 3 and the left side member 4 having the above-mentioned constitutions are stuck together and spot welded, and the tip of the right side head 2b of the right side member 2 is slightly curved. Holder 1 with cutter housing A in the
Can be prepared (FIG. 1). Each member shown in FIG. 2 can be easily formed by etching or the like.
Since the holder 1 shown in can be manufactured, the manufacturing process can be simplified as compared with the conventional integrally molded product.

Next, the case where the cutter is attached to the holder thus constructed will be described. First, FIG.
As shown in (a), the rear end of the cutter 7 is inserted into the rear end of the cutter housing portion A, and the rear end of the cutter 7 is retained by the protrusion 8. Then, if the tip end of the cutter 7 is pushed in as it is (FIG. 3 (a) arrow p), the entire cutter 7 is accommodated in the cutter accommodating portion A, and the tip end side surface of the cutter 7 is pressed by the pressing piece 10. The tip of the cutter 7 is prevented from coming off (FIG. 3 (b)). As a result, the cutter 7 is securely housed and held in the cutter housing A. As described above, when the cutter 7 is attached to the holder 1, the cutter 7 does not bend unlike the conventional case, and therefore there is no risk of cracking even if a ceramic cutter is used.

The cutter can be removed from the holder 1 by pulling it out as it is. However, when the pressing force of the pressing piece 10 is strong, a small piece of thread 5 or the like is inserted from the small hole 5 formed in the right head portion 2b. The cutter 7 can be easily removed by pressing the pressing piece 10 to release the pressed state of the tip of the cutter 7. Further, as shown in FIG. 4, if the pressing piece 10 is formed in a U-shape and a U-shaped cutout portion 21 is formed at the front end of the cutter 7, the cutter 7 can be securely prevented from coming off. You can In addition, in the first embodiment, the protrusion 8 as the retaining portion is formed at the rear end of the cutter housing A, and the pressing piece 10 is provided at the front end of the cutter housing A, but the configuration is not necessarily limited to this. Alternatively, the protrusion 8 may be formed at the front end and the pressing piece 10 may be provided at the rear end.

As described above, when the holder 1 of the first embodiment is used, not only a ceramic cutter can be used, but also the cutter can be easily attached and detached, so that a holder excellent in practical use can be obtained. Can be provided.

(Embodiment 2) FIG. 4 is a front view showing components of another embodiment of the cutter holder according to the present invention.

As shown in FIG. 4, the holder of the second embodiment is also composed of a right side member 12, an intermediate member 13 and a left side member 14 which have substantially the same structure as the first embodiment.
Hereinafter, the difference from the holder of the first embodiment will be mainly described.

A small hole 15 is formed in the right head portion 12b of the right member 12 slightly below the extension of the upper side of the right body 12a. A notch 16 is formed by notching the upper side of the intermediate body 13a of the intermediate member 13 in a rectangular shape at the front.
However, unlike the first embodiment, the semicircular notch is not provided.

The left head 14b of the left member 14 is also provided with a pressing piece 20 at a portion of the right head 12b corresponding to the small hole 15. Then, by bonding the right side member 12, the intermediate member 13, and the left side member 14 having the above-mentioned configurations and spot welding, it is possible to manufacture a holder having the same effect as that of the first embodiment.

[0025]

As described above, according to the configuration of the cutter holder of the present invention, if the rear end of the cutter is inserted into the rear part of the cutter accommodating portion and the tip of the cutter is pushed in as it is, the entire cutter is accommodated in the cutter. The cutter is housed in the cutter housing, and the tip side surface of the cutter is pressed by the pressing piece, so that the cutter is securely housed and held in the cutter housing. Therefore, when attaching the cutter, the cutter will not bend as in the past, so
It will not break even if a ceramic cutter is used. Also, when removing the cutter, it is sufficient to pull it out. As described above, not only can the cutter made of ceramic be used, but also the cutter can be easily attached and detached, so that a cutter holder excellent in practical use can be provided.

In the above structure, the right member, the intermediate member, and the left member are bonded together,
Forming a cutter accommodating portion by notching the upper side in the front portion of the intermediate member, and making a substantially U-shaped notch in the left member,
According to the preferable configuration in which the pressing piece is formed by bending inward, each member can be easily molded by etching or the like, and the cutter holder can be manufactured by simply bonding and spot welding these members. Therefore, the manufacturing process can be simplified as compared with the conventional integrally molded product. Further, in this case, according to a preferable configuration in which the small hole is formed in the right side member so as to correspond to the pressing piece, even when the pressing force of the pressing piece is increased, the awl is inserted from the small hole to insert the pressing piece. Since the pressed state of the tip of the cutter can be released by pushing, the cutter can be easily removed.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a cutter holder according to the present invention.

2 is a front view showing the constituent members of the cutter holder of FIG. 1. FIG.

FIG. 3 is an explanatory view showing a state in which a cutter is attached to the cutter holder of FIG.

FIG. 4 is a front view showing a retaining means of the cutter.

FIG. 5 is a front view showing constituent members of another embodiment of the cutter holder according to the present invention.

FIG. 6 is a perspective view showing a conventional cutter holder.

FIG. 7 is an explanatory diagram showing a state in which a cutter is attached to a conventional cutter holder.

FIG. 8 is a schematic view showing a method for manufacturing a cutting type woven carpet.

[Explanation of symbols]

 1 Cutter Holder 2, 12 Right Member 2a, 12a Right Body 2b, 12b Right Head 3,13 Intermediate Member 3a, 13a Intermediate Body 3b Intermediate Head 4,14 Left Member 4a Left Body 4b, 14b Left Head 5, 15 Small hole 6, 9, 16 Notch 7 Cutter 8 Protrusion 10, 20 Pressing piece

Claims (3)

[Claims] 1. A slender rectangular main body, a cutter accommodating portion formed by opening an upper part at a front portion of the main body, and a retaining portion formed at one end of the cutter accommodating portion. A cutter holder, wherein a pressing piece having elasticity is provided on the other end of the cutter housing portion. 2. A right side member, an intermediate member and a left side member are laminated together, a front side of the intermediate member is cut out to form a cutter accommodating portion, and the left side member has a substantially U-shape. The cutter holder according to claim 1, wherein the pressing piece is formed by making a notch and bending it toward the inside. 3. The cutter holder according to claim 2, wherein a small hole is formed in the right side member so as to correspond to the pressing piece.