JPH1193045A - Knitting needle holding mechanism in flat knitting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject mechanism enabling a knitting needle to be easily attached to/detached from a needle groove, designed to prevent the knitting needle from running afloat, and suppressed in the size of the unit as a whole so as not to become larger. SOLUTION: In a flat knitting machine having at least a pair of front and rear needle beds 1 and holding, slidably back and forth, in a needle groove 7 provided on the upper surface of the needle beds, a knitting needle 11 with a butt 29 for back-and-forth motion control energized so as to project off the needle groove 7, there are also provided an upper part holding plate 37 located above the knitting needle 11 set in the needle groove 7, a detachable type holding plate 39 located between the knitting needle 11 and the upper part holding plate 37, and a means placed between the plates 37 and 39 and designed to restrict the movement of the detachable type holding plate 39 in the direction of the advance/retreat of the knitting needle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat knitting machine, in which a knitting needle mounted in a needle groove or an intermediate jack or the like integrally connected and held with the knitting needle can move forward and backward in the needle groove and can be freely attached and detached. The present invention relates to a knitting needle holding mechanism of a flat knitting machine for holding a knitting needle.

[0002]

2. Description of the Related Art A mechanism for holding a knitting needle mounted in a needle groove formed on the upper surface of a needle bed or an intermediate member such as a jack integrally connected to the knitting needle in the needle groove is disclosed in Japanese Utility Model Application Publication No.
No. 91395. In this publication, a wide portion 107 is provided on a needle plate 105 erected at regular intervals in a groove 103 formed in a needle bed substrate 101.
A dovetail groove 111 (FIG. 8A) including a narrow portion 109 and a wide portion 113 and a narrow portion 11 corresponding to the dovetail groove 111.
5 is formed on the wide portion 113 of the holding plate 117 (FIG. 8B).
And the width detail 115 and the wide portion 105 of the dovetail groove 111 and the width detail 1
07 and is mounted in the dovetail groove 111. Then,
Move the holding plate 117 in the longitudinal direction of the needle bed,
The wide portion 113 of the holding plate 117 is formed with the width detail 1 of the dovetail groove 111.
09, the holding plate 117 is fixed in the dovetail groove 111 to prevent the knitting needle 119 from floating, so that the knitting needle 117 can slide forward and backward in the needle groove, and is held without falling off from the needle groove ( (FIG. 8C).

[0003]

Problems to be Solved by the Invention
In the knitting needle holding mechanism disclosed in Japanese Patent No. 91395, a tool is required to pull out the holding plate to move the holding plate holding the knitting needle. When replacing the knitting needle held by the holding plate located at the center of the needle bed among the plurality of holding plates continuously attached in the needle bed longitudinal direction, hold the knitting needle to be replaced. Moving the presser plate located outside the presser plate that is located outside the presser plate in order and moving the presser plate that holds the knitting needle to be replaced cannot be moved unless there is space to move the presser plate. It takes.

In a multi-stage flatbed knitting machine having an upper needle bed provided on a lower needle bed, the upper needle bed becomes an obstacle when removing the knitting needles of the lower needle bed, and it is difficult to pull out the holding plate. In addition, when using a tool that pulls out the holding plate, if a holding plate is provided at a position far from the tooth gap so that the upper needle bed does not become an obstacle, knitting disturbance due to lifting of the knitting needle tip is likely to occur, There is a problem that the length of the needle bed in the knitting needle advancing / retreating direction is extended and the device becomes large.
In view of the above-described problems, the knitting needle holding mechanism of the flat knitting machine of the present invention can easily perform attachment and detachment of the knitting needle mounted in the needle groove without requiring a special tool, and may cause the knitting needle to rise. It is another object of the present invention to disclose a knitting needle holding mechanism of a flat knitting machine capable of suppressing an increase in the size of the apparatus.

[0005]

In order to solve the above-mentioned problems, a knitting needle holding mechanism of a flat knitting machine according to the present invention has at least a pair of front and rear needle beds, and has a needle groove formed in an upper surface of the needle bed. In a flat knitting machine that holds a knitting needle urged in a direction in which the advance / retreat control butt projects from the needle groove so as to advance / retreat slidably, an upper holding plate disposed above the knitting needle mounted in the needle groove, A detachable holding plate disposed between the knitting needle and the upper holding plate; and a detachable holding plate movement restricting means provided between the upper holding plate and the detachable holding plate to limit movement of the detachable holding plate in the knitting needle advance / retreat direction. It is characterized by having been provided. According to the above configuration, at the time of knitting, the movement of the detachable holding plate is controlled by the detachable holding plate movement control means, the knitting needle is held without falling off from the needle groove, and the knitting needle is removed by removing the detachable holding plate. Can be removed.

[0006] The knitting needle holding mechanism of the flat knitting machine of the present invention comprises:
The detachable holding plate movement restricting means, an engaging portion comprising a front slope facing forward and a rearward slope facing rearward in the knitting needle advance / retreat direction, extending parallel to the advance / retreat direction of the knitting needle, and a slope of the engagement portion; It is also one of the features that the arm portion is configured to be elastically displaceable to a position beyond the engagement portion by the contact of the arm. According to the above configuration, the engagement and disengagement of the upper holding plate and the detachable holding plate can be easily performed by moving the detachable holding plate forward and backward.

[0007] The knitting needle holding mechanism of the flat knitting machine of the present invention comprises:
One of the features is that the detachable holding plate is a knitting member that is advanced / retracted in the vicinity of the tooth gap or an intermediate jack for operating the knitting member. According to the above-described configuration, the knitting member or the intermediate jack does not need to be disposed adjacent to the knitting needle, and can be accommodated in the same needle groove as the knitting needle.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A knitting needle holding mechanism of a flat knitting machine according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view of a needle bed 1 of the flat knitting machine of the present embodiment, FIG. 2 is a partially enlarged view of a distal end portion of the needle bed 1 of FIG. 1, and FIG. 3 is an arrow II of FIG. It is sectional drawing seen in the direction. In the flat knitting machine of the present embodiment, a needle plate 7 is erected in a groove 5 formed at regular intervals on the upper surface of the needle bed substrate 3, and the needles having a concave shape are formed by the upper surface of the needle bed substrate 3 and the side surface of the needle plate 7. A groove 9 is formed, and the knitting needle 11 is held in the needle groove 9 so as to be able to advance and retreat toward the tooth opening 13 of the needle bed. The knitting needle 11 used in the present embodiment has a hook 15 for locking a knitting yarn at the tip, and is a spatula needle that opens and closes the hook 15 by the rotation of the spatula 17. Compounding needles can also be used. In the tooth gap 13 of the needle bed 1, the sinker plate 2 is inserted into a groove 19 formed in the needle bed substrate 3.
1 is attached.

The knitting needle 11 is connected to the jack 25 by engaging a convex portion 27 at the tip of the jack 25 with a concave portion 23 formed in the knitting needle 11 at a rear portion thereof. Jack 2
5 has a butt 29 for controlling the advance and retreat, and by operating the bat 29 with a cam provided on a carriage (not shown), the knitting needle 11 integrated with the jack 25 is moved to the needle bed 1.
Is moved toward and away from the tooth opening 13 of the vehicle. The rear end 31 of the jack 25 is curved toward the needle groove bottom 33, and the butt 29 is urged in a direction to protrude out of the needle groove. Is held. The jack 25 is selected by the needle selecting means on the carriage and moves forward and backward together with the knitting needle 11 in the needle groove 9, or the butt 29 is immersed into the needle groove 9 not in contact with the cam on the carriage by a presser (not shown). You.
In the present embodiment, the side on which the hook 15 is provided is referred to as the distal end side of the knitting needle 11, the side connected to the jack 23 is referred to as the rear end side of the knitting needle 11, and the knitting needle 1
The movement of the needle bed 1 in the direction in which the needle bed 1 advances toward the tooth gap 13 is referred to as forward movement, and the movement in the direction in which the needle bed 1 retracts from the tooth gap 13 is referred to as backward movement. In the present embodiment, the knitting needle 11 and the jack 25
The case where the knitting needle 11 and the jack 25 are integrally formed and the knitting needle 11 itself is formed by forming the knitting needle 11 and the jack 25 integrally is described.
It is also possible to form Therefore, in the present embodiment, the term knitting needle 11 is described as including both the knitting needle 11 and the jack 25.

In the needle groove 9 formed between the needle plates 7 at the tip of the needle bed, the upper holding plate 3 is provided.
7 and the detachable holding plate 39 are mounted. The upper holding plate 37 is disposed above the needle groove 7 by wires 41 and 43 inserted in the longitudinal direction of the needle bed, and the detachable holding plate 39 includes the upper holding plate 37 and the knitting needle 11.
It is installed between. The upper holding plate 37 has a pressing portion 45 formed on the lower surface thereof, an arm portion 47 extending rearward in parallel with the advance / retreat direction of the knitting needle 11, and is located below the arm portion 47 and abuts on the detachable holding plate. The butting portion 49 is formed. The pressing portion 45 contacts the upper surface of the detachable holding plate 39 and presses the detachable holding plate 39 downward to prevent the tip of the knitting needle from rising. The arm portion 47 has a bulging portion 51 at its tip, holds an engaging portion 53 described later between the bulging portion 51 and the abutting portion 49, and restricts the movement of the detachable holding plate 39 in the knitting needle advance / retreat direction. I do. The abutting portion 49 abuts on an engagement portion 53 of the detachable holding plate, which will be described later, thereby defining the most advanced position of the detachable holding plate 39.

The detachable holding plate 39 is a stick-like member formed at a height substantially equal to the space between the knitting needle 11 and the upper holding plate 37, and is used for moving the detachable holding plate 39 on its upper surface. Gripping portion 55 for gripping
Then, an engaging portion 53 having a height contacting the bulging portion 51 of the upper holding plate 37 is formed. Removable holding plate 3
9 is a method of grasping the grasping portion 55 and moving the grasping portion 55 forward and backward, thereby obtaining the knitting needle 1.
The arm portion 47 is warped upward by a front slope 57 facing forward and a rear slope 59 facing rearward in the forward / backward direction of 1 so that the engaging portion 53 of the detachable holding plate 39 can move beyond the bulging portion 51. Be composed. The arm portion 47 of the upper holding plate 37 holds the engaging portion 53 of the detachable holding plate 39 so as not to move beyond the bulging portion 51 when the knitting needle 11 moves forward and backward during knitting. Since the configuration of the flat knitting machine used in the present embodiment other than that described above is common to the flat knitting machine generally used at present, further detailed description is omitted.

Next, a method of removing the knitting needle in the knitting needle holding mechanism of the flat knitting machine according to the above-described embodiment will be described with reference to FIGS.
This will be described using. FIG. 4 is a diagram in which the upper holding plate 37, the detachable holding plate 39, and the knitting needle 11 are extracted from FIG. 2, and FIG. 5 is a cross-sectional view illustrating a method of attaching and detaching the knitting needle 11. In the following description, the case where the knitting needle 11 is removed from the needle groove 9 will be described. However, when the knitting needle 11 is mounted in the needle groove 9, the operation of removing the knitting needle 11 and the jack 25 from the needle groove 9 is performed in reverse. Good. In a state where knitting is performed, the engaging portion 53 of the detachable holding plate 39 is
And the abutting portion 49 restricts the movement of the removable holding plate 39 (FIG. 4A). From this state, the grip portion 55 of the detachable holding plate 39 is gripped and retracted in a direction away from the tooth gap 13 (FIG. 4B). As a result, the rear slope 59 of the engaging portion 53 of the detachable holding plate 39 pushes up the bulging portion 51 of the upper holding plate 37 to elastically displace the arm portion 47 upward, and the bulging portion 51 becomes the top of the engaging portion 53. , The engagement between the engaging portion 53 and the arm portion 47 is released. Next, the detachable holding plate 39
Is retracted to a position beyond the bulging portion 51 of the upper holding plate 37, and the detachable holding plate 39 is lifted upward and pulled out of the needle groove 9. Subsequently, the knitting needle 11 is advanced toward the tooth gap (FIG. 5A), and the rear end of the knitting needle 11 is advanced to a position beyond the wire 35 inserted in the longitudinal direction of the needle bed.
The rear end 31 of the jack 25 is pulled out of the needle groove 9. Subsequently, the knitting needle 11 is retracted, and the knitting needle 11 is extracted from the space created by removing the detachable holding plate 39 (FIG. 5B).

In the embodiment described above, the case where the knitting needle 11 is removed from the space between the wire 35 and the upper holding plate 37 has been described. It can also be pulled out from the tooth side. In the case where the knitting needle can be pulled out from the tooth side as described above, the length (X) of the rear portion of the bat 29 formed on the knitting needle 11 is determined by the detachable holding determined by the distance between the wire 35 and the upper holding plate 37. It is not necessary to form the knitting needle 11 shorter than the maximum movement range (Y) of the knitting needle 11 with the plate 39 removed. Jack 2
In the case where the rear end portion 31 is curved toward the needle groove bottom 33 as in the above-described embodiment, the length (X) of the rear portion of the butt 29 for controlling the advance / retreat of the jack 25 is changed to the knitting needle 1.
The knitting needle 11 can be removed even if it is longer than the maximum movement range of 1. In addition, as the thickness of the detachable holding plate 39 in the height direction is increased, the knitting needle 11 can be easily removed. The shape of the detachable holding plate 39 is the same as that of the knitting needle 1.
In order to prevent the lifting of 1, the detachable holding plate 3
It is preferable that the tip of the needle 9 extends to the vicinity of the mouth of the needle bed and has a thickness equal to the interval between the upper holding plate 37 and the knitting needle 11, but other shapes are also possible. Further, in the above-described embodiment, a case has been described in which the upper holding plate 37 is formed with the arm portion and the detachable holding plate is formed with the engaging portion 53. And the arm portion 47 can be formed on the detachable holding plate 39.

Further, in the above-described embodiment, the case of a two-bed flat knitting machine in which a pair of front and rear needle beds are arranged opposite to each other has been described. The knitting needle holding mechanism of the flat knitting machine of the present invention is shown in FIG. So that a pair of lower needle beds 61
The present invention is also applicable to a multi-stage flat knitting machine such as a three- or four-bed flat knitting machine having an upper bed 63 disposed thereon. In the four-bed flat knitting machine shown in FIG. 6, a predetermined number of needle plates 65 are extended upward, and the extended portions are used as support portions of the upper bed 63 on which the loop presser 67 is arranged. The upper holding plate 69 is supported therebetween. With this configuration, the detachable holding plate 71 that holds the knitting needle can be attached and detached at a position away from the mouth portion, and the detachable holding plate 71 can be moved by hand. The bed 63 does not become an obstacle when the knitting needle is attached or detached.

Next, an example in which the detachable holding plate is used not only as a simple spacer as described above but also as an intermediate jack for operating a knitting member such as a sinker arranged near the tooth gap will be described. As shown in FIG. 7, the detachable holding plate 81 of the present example has a tip portion 83 extending toward the tooth gap side and a tip portion 83 bent laterally, and a tip portion of the bent detachable holding plate 81. The butt 91, which is also used as a gripping portion, is controlled by a cam 89 provided on the carriage 87, and the elastic leg 93 causes the butt 91 to come into contact with the movable sinker plate urged in the backward direction from the tooth gap 85. Movable sinker plate 95 biased in the backward direction
Can also be controlled. Although the detachable holding plate was used as an intermediate jack for sinker operation,
It may be formed integrally with the sinker. Further, the knitting member is not limited to the sinker. When the detachable holding plate 81 is formed as a part of the structure for moving the movable sinker plate 95 forward and backward, the gauge is fine, and the control member and the like of the movable sinker plate 95 are connected to the knitting needle 97.
Even if it is difficult to provide it adjacent to the knitting needle, it can be provided by utilizing the space above the knitting needle, and the lifting of the knitting needle 97 can be suppressed.

[0016]

As described above, according to the knitting needle holding mechanism of the flat knitting machine of the present invention, the knitting needle can be easily removed by removing the detachable holding plate, and the conventional knitting needle holding the knitting needle by the holding plate. There is no need for a special pull-out tool like the holding mechanism. Further, even in a multi-stage flat knitting machine in which an upper portion is provided on a lower needle bed, the knitting needle can be pressed at a position close to the tooth gap of the needle bed, so that it is possible to prevent the knitting needle from rising and to increase the size of the device. Can be suppressed.

Further, by moving the detachable holding plate forward and backward, the engagement between the upper holding plate and the detachable holding plate can be released, and the detachable holding plate can be easily attached and detached.

When the detachable holding plate is formed as a knitting member such as a sinker or a member which also functions as an intermediate jack for operating the same, the holding plate can be accommodated in the needle groove, so that a flat gauge flat knitting machine can be accommodated. It is particularly advantageous for the production of needle beds.

[Brief description of the drawings]

FIG. 1 is a sectional view of a needle bed showing a knitting needle holding mechanism of a flat knitting machine of the present invention.

FIG. 2 is an enlarged view of a tip portion of the needle bed of FIG. 1;

FIG. 3 is a cross-sectional view as viewed in a direction II in FIG. 2;

FIG. 4A is a diagram illustrating an engagement state between an upper holding plate and a detachable holding plate, and FIG. 4B is a diagram illustrating a state in which the upper holding plate is about to be disengaged;

5A and 5B are views showing a method of removing a knitting needle.

FIG. 6 is a view showing an embodiment of the multi-stage flat knitting machine of the present invention.

FIG. 7 is a view showing another embodiment of the knitting needle holding mechanism of the present invention.

8A to 8C are views showing a conventional knitting needle holding mechanism.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Needle bed, 3 ... Needle bed board, 5 ... Groove, 7 ... Needle plate, 9 ...
Needle groove, 11 ... knitting needle, 25 ... jack, 37 ...
-Upper holding plate, 39 ... detachable holding plate,
47: arm, 51: bulge, 53: engagement, 55: grip, 61: lower needle bed, 63: upper bed, 65: needle Plate, 67 ... Loop presser, 69 ... Upper holding plate, 71 ... Removable holding plate, 81 ...
Removable holding plate, 87 ... carriage, 95 ...
・ Movable sinker plate, 97 ・ ・ ・ Knitting needle

Claims (3)

[Claims] 1. A knitting needle having at least a pair of front and rear needle beds, in which a knitting needle for urging the advance / retreat control butt to protrude from the needle groove is slidably held in a needle groove formed on the upper surface of the needle bed. An upper holding plate disposed above a knitting needle mounted in the needle groove, a detachable holding plate disposed between the knitting needle and the upper holding plate, and an upper holding plate and a detachable holding plate between the upper holding plate and the detachable holding plate. Provided in
A knitting needle holding mechanism for a flat knitting machine, comprising: a detachable holding plate movement restricting means for restricting movement of the detachable holding plate in the knitting needle advance / retreat direction. 2. The detachable holding plate movement restricting means comprises: an engaging portion comprising a front slope facing forward and a rear slope facing rearward in a knitting needle advance / retreat direction, and extending parallel to the advance / retreat direction of the knitting needle. The knitting needle holding mechanism for a flat knitting machine according to claim 1, comprising an arm configured to be resiliently displaceable to a position where the distal end exceeds the engaging portion by abutting the inclined portion of the joining portion. 3. The holding plate as claimed in claim 1, wherein the detachable holding plate is a knitting member which is moved forward or backward in the vicinity of a tooth gap or an intermediate jack for operating the knitting member.
5. The knitting needle holding mechanism of the flat knitting machine according to 4.