JPS5845498B2 - hand knitting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hand knitting machine equipped with a needle bed in which a large number of knitting needles are arranged in a row, and a carriage that slides on the needle bed.
As a conventional device, a needle selection device and a normal knitting passageway select desired needles during knitting into three positions: a knitting standby position, a first needle selection position, and a second needle selection position ahead of the first needle selection position. There are carriages equipped with a first pattern knitting path and a second pattern knitting path, but if these devices are used to knit patterns, the knitting needles selected at three positions are simply guided to the third path. The only way to do this is to simply knit a pattern, for example, knit three colors at the same time.

The present invention enables the knitting needles at the first needle selection position and the second needle selection position to be introduced into the first pattern knitting path and the second pattern knitting path similarly to the conventional device, and also enables the knitting needles at the second needle selection position to be introduced into the first and second pattern knitting paths. In addition to making it possible to introduce all the knitting needles into the normal knitting path and guiding the knitting needles selected at the three positions to the three paths to perform pattern knitting, the knitting needles of only a desired portion of the width of the knitted fabric are introduced into the three paths. The first and second knitting needles introduced into the passage and selected in three positions in other parts
To make it possible to knit a variety of complicated patterns by introducing knitting needles selected at needle selection positions into a normal knitting path and knitting a partial pattern.

Specific examples thereof will be explained below based on the drawings.

Reference numeral 1 denotes a carriage that slides on a needle bed 3 in which a large number of knitting needles 2 are arranged in a row, with a central lowering cam 5 at the center inside the main cams 4 and 4', a rear central cam 6 behind it, and a tuck cam outside it. I, 7
', first pattern knitting path forming cams 8, 8' in front of the main cams 4, 4', second pattern knitting path forming cams 9, 9' further in front of the main cams 4, 4', and a front partition wall 10 in front of the second pattern knitting path forming cams 9, 9'.

A retracting cam portion 8a s 8'a is formed in the inner front portion of the main cams 4, 4' of the cams 8, 8', and a swinging cam 11.degree. 11' is pivotably mounted thereon.

There is also a backward cam portion 9a p9 on the inner side of the cams 9, 9'.
a and swing cams 12, 12' are pivotally connected.

Each inner outlet of the passage between the cams 9, 9' and the front partition wall 10 is penetrated from the outside, and the knitting needles attempting to exit from the outlet are allowed to bend and pass through the needles from the inside. A plate cam 1 of a thin plate spring causes knitting needles that try to enter the outlet to retreat.
3, 13' are provided.

The plate cams 13, 13' can be retracted upward by a suitable operating member to allow even knitting needles trying to enter the outlet from the inside to pass through.

Reference numerals 14 and 14' designate opening/closing cams that are pivotally attached to the outer parts of the cams 8 and 8' and open and close the passage (first pattern knitting passage) between the cams 8 and 8' and the cams 9 and 9'. .

15, i s' is the most forward passage (
(return passage).

Reference numerals 16 and 16' indicate needle selection raising cams, which are pivotally connected to the outside of raising cams 17 and 17' which are pivotally connected to the rear ends of the main cams 4 and 4', and knitting needles knitted and retreated by the main cams 4 and 4'. The knitting needle is moved forward to the needle selection position, and the knitting needles that have entered from the outside are allowed to pass through.

Reference numerals 18 and 18' refer to needle folding mechanisms that lower the knitting needles at the needle selection position and cooperate with a needle selection device (not shown) provided on the needle bed 3 to create three vertical positions on the knitting needles in a desired manner. It's a cam.

19 and 19' are the knitting needles at the upper position among the three positions of the knitting needles in the vertical direction, which are moved back to align with the knitting emotion position (position 8), and the knitting needles at the intermediate and lower positions are passed through while maintaining the needle selection position. 1 sorting cam.

20. At 20', the knitting needles at the intermediate position were moved back and returned to the upper position in cooperation with the inclined surface (not shown) provided at the bottom of the needle bed 3, and the knitting needles at the lower position were maintained at the needle selection position. This is the second sorting cam that allows the particles to pass through without any change.

Reference numeral 21 and 21' designate a partition cam that causes the knitting needles in the lower position to retreat and return to the upper position in cooperation with an inclined surface (not shown) provided at the lower part of the needle bed 3.

After the knitting needles at the intermediate position return to the upper position, they are aligned to the first needle selection position (C position) by the forward cam portions 19a, 19a of the first selection cams 19, 19'.

Further, the knitting needles in the lower position are moved to the second needle selection position (D position) by the forward cam parts 20a, 20a of the second selection cams 20, 20'.
are aligned.

22 and 22' are pivotally connected to the outer parts of the second pattern knitting path forming cams 9 and 9', and act as triggers for opening and closing the passage (second pattern knitting path) between the cams 9 and 9' and the front bulkhead 10. This is the upper needle lowering cam.

Reference numerals 23 and 23' denote front switching cams, which are pivotably mounted to allow the knitting needles at the second needle selection position (D position) entering from the outside to be introduced into the second pattern knitting path (dashed line in Figure 1). It can take a horizontal position (shown by two-dot chain lines in FIGS. 1 and 2) and an inclined position (shown by solid lines in FIGS. 1 and 2) in which it retreats to the first needle selection position (C position).

24 and 24' are protection cams for the front switching cam.

25. 25' is a rear switching cam, which is pivotably mounted and moves the knitting needles at the first needle selection position (C position) entering from the outside to the ■ pattern knitting path (Fig. 1 - Linear dose). It can take a horizontal position (shown by two-dot chain line in FIGS. 1 and 2) for introduction and an inclined position (shown by solid line for FIGS. 1 and 2) for retreating to the organizing emotion position (position 8).

26 and 26' are protective cams for the rear switching cam 25 and 25'.

Reference numerals 27 and 27' denote front moving plates, which are pivotally mounted to be able to swing freely, and a spring 28 stretched between the front switching cams 23 and 23' on the ■ side;
The spring catch for hanging 28' forms parts 27a, 27a,
Pin 29a of front operating arm 29.29' on the other side.

Engagement holes 27b and 27'b are formed to which 29'a engages.

The front operating arm 29, 29' is pivotally attached to a shaft 30 so as to be freely swingable, and the pins 29a, 29'a are fixed to the side 2, and the pins 29b, 29b protruding below the carriage 1 are fixed to the other side.

31 and 31' are springs that hold the forward moving plates 27, 27' at their respective rotational positions.

Therefore, when the front operating arm 29, 29' is in the backward rotation position (shown by solid line in FIG. 3), the front moving plates 27, 27' are in the forward position (shown by solid line in FIG. 3), and the front switching cams 23, 23 are in the forward position (shown by solid line in FIG. 3). ' is held in an inclined position @ (shown by the solid line in Figure 3), and the front operating arm 2
9, 29' move to the forward rotation position (shown by the two-dot chain line in Fig. 3), the forward movement plates 27, 27' are in the rear position, and the front switching cams 23° and 23' are in the horizontal position (Fig. 3, 2 (shown by the dot-dashed line) and is held explosively.

A similar mechanism is provided for the rear switching cams 25 and 25'.

That is, the rear rotating plates 32, 32' are coaxially connected to the front rotating plates 27, 27', and the spring hooks of the rear rotating plates 32, 32' are connected to the parts 32a, 32'a and the rear switching cam 25. .25' and the rear operating arm 34.34' which is pivoted on the same shaft 30 as the front operating arm 29.29' and is fixed to the rear operating arm 34.34'. pin 34a.

34'a, pins 34b, 34'b, and springs 35 and 35' that elastically hold the rear rotating plate 32°32' in each rotating position.
Equipped with.

Therefore, when the rear operating arm 34, 34' is in the backward rotation position (shown by the solid line in Figure 4), the rear switching cam 25°25' is resiliently held in the inclined position (shown by the solid line in Figure 4), operating arm 34,
34' moves to the forward rotation position (shown by the two-dot chain line in FIG. 4), the rear switching cam 25, 25' moves to the horizontal position (shown by the two-dot chain line in FIG. 4) and is held resiliently.

50a, sob is the front rotating plate 27, 27', the rear rotating plate 3
2.32' is a stopper that sets the position of each rotation.

Reference numeral 36 denotes a yarn opening fixed to the center of a knitting presser foot 37 attached to the front of the carriage 1, forming three yarn openings: a normal knitting yarn opening 36a, a first pattern knitting yarn loop 36b, and a second pattern knitting yarn loop 36c. do.

38 is a magnet for opening the bell placed near the thread opening 36.

Reference numeral 39 denotes an indicator member that can be placed and fixed on the needle bed 3, and the pins 29b, 29b of the front operating arms 29, 29' and the pins 34b, 34'b of the rear operating arms 34, 34' can pass through the upper surface. A cam groove 39a is formed, and a protrusion 39b for fixing the indicating member 39 is formed at the lower part of the needle bed 3 so as to fit into the insertion hole 3a formed in the lower part of the needle bed 3.

The cam groove 39a is inserted into the front operating arm 29.2 at a desired position.
9' and the rear operating arm 34, 34', thus the front switching cam 23
, 23' and the rear switching cams 25, 25' to a horizontal position or an inclined position.

Therefore, the front switching cams 23, 23' and the rear switching cams 25.
If 25' takes the horizontal position, it is the organization emotional position (position 8)
The knitting needles pass through the normal knitting path shown in FIG. 2 needle selection position (D position)
The knitting needles pass through the second pattern knitting path shown by broken lines in FIG.

The effect will be described below.

First, when the carriage 1 moves in the direction of arrow A, the knitting needles after knitting are divided into a needle selection raising cam 16, a needle folding lower cam 18, a needle selection device (not shown) provided on the needle bed 3, a first selection cam 19, By the cooperative action of the second sorting cam 20, the partition cam 21, etc., the knitting emotion position (position 8), the first needle selection position (position C), and the second needle selection position (position D) are selected in the desired needle selection manner. Selectively placed in 3 positions.

Next, the knitting needle middle beam 1 pattern knitting path (shown by two-dot chain line in Figure 1) and the second pattern knitting path (shown by the dashed line in Figure 1) of the first needle selection position (C position) and second needle selection position (D position) The indicator member 39 is fixed by fitting the protrusion 39b into the insertion hole 3a of the needle bed 3 in correspondence with the knitting needle (knitting needle in section T in Fig. 5) to be introduced into the knitting needle (as shown in Fig. 5).

After that, by sliding the carriage 1 in the direction opposite to arrow A, the knitting needles at the knitting emotion position (position 8) move to the normal knitting path (first
The yarn passes through the knitting yarn (shown by the dashed line in FIG. 1), is fed from the normal knitting yarn opening 36a, becomes the base knitting of stockinette knitting, and is selected for the next step.

In addition, for the knitting needle at the first needle selection position (C position), the rear operating arm 34 is in the backward rotating position (shown by the solid line in Fig. 4), and the hollow switching cam 25 is in the inclined position (shown by the solid line in Figs. 1 and 4). Since it is held elastically, it is retreated to the normal knitting passage (shown by the one-dot chain line in FIG. 1).

For the knitting needle at the second needle selection position (D position), the front operation arm 29 is in the backward rotating position (shown by the solid line in Figure 3), and the cutting switching cam 23 is in the inclined needle position (shown by the solid line in Figures 1 and 3). Because the bullet is retained,
It is retracted and passes through the rear switching cam 25 to the normal formation path (Fig.
(indicated by the dot-dashed line).

Therefore, all the knitting needles in sections other than section T in FIG. 5 pass through the normal knitting path (indicated by the one-dot chain line in FIG. 1), and stockinette stitches are knitted.

Next, the carriage 1 moves forward and the tip of the front switching cam 23 moves to the fifth position.
When reaching section T in the figure (shown in Figure 6A), pin 2 of the front operating arm 29
9b engages with the forward cam portion 39c of the instruction member 39 and rotates to the forward rotation position (shown by the two-dot chain line in FIG. 3), and the pin 29a
The front moving plate 27 moves to the rearward rotating position (shown by the two-dot chain line in FIG. 3) by the engagement between the front switching cam 23 and the engagement hole 27b, and the front switching cam 23 moves to the horizontal position (see FIG. 1) via the spring 28. It is moved to the position shown by the two-dot chain line in FIG. 3) and is held in place (shown in FIG.

Therefore, the knitting needle 2D at the second needle selection position (D position) is
It is introduced into the pattern knitting path (shown by broken lines in Figure 1).

The carriage 1 further advances, and the tip of the rear switching cam 25 reaches the fifth position.
When reaching section T in the figure, the pin 34b of the rear operating arm 34 engages with the forward cam portion 39c of the instruction member 39, and the forward rotation position (fourth
The pin 34a and the engagement hole 32b are rotated until the pin 34a and the engagement hole 32b
The rear rotation plate 32 moves to the rear rotation position (fourth
The rear switching cam 25 is moved to the horizontal position (shown by the two-dot chain line in FIGS. 1 and 4) via the spring 33, and is held resiliently (as shown in FIG. 6). .

Therefore, the knitting needle 2c at the first needle selection position (C position) is
It is introduced into the pattern knitting path (shown by the two-dot chain line in FIG. 1).

Thereafter, as the carriage 1 advances, the knitting needles at the second needle selection position (D position) are fed from the second pattern knitting yarn row 36c, become the second color-selected cotton, and are selected for the next step, and then the knitting needles at the second needle selection position (D position) are fed from the second pattern knitting yarn row 36c, become the second colored cotton, and are selected for the next step. Position (C
The knitting needles at position ) are fed from the first pattern knitting opening 36b to become the first colored cotton, which is then selected for the next step.

Therefore, in this section, yarn is fed to the knitting needles at the three positions from each yarn opening, and a three-color simultaneous knitting stitch is knitted.

Next, when the carriage 1 moves further and the tip of the front switching cam 23 passes through the section T in FIG. 3), the front switching cam 23 becomes the inclined position (shown in solid lines in FIGS. 1 and 3), and the knitting needle 2D'li at the second needle selection position (D position) is moved backward by the front switching cam 23. (See Figure 6-2).

Next, when the tip of the rear switching cam 25 passes through section T in FIG. 5, the pin 34b is retreated by the retreating cam portion 39d,
The rear operating arm 34 moves to the rear rotation position (shown by the solid line in Figure 4), and the rear switching cam 25 moves to the tilted position (shown by the solid line in Figures 1 and 4).
Therefore, the knitting needles at the first needle selection position (position C) are retreated to the normal knitting path (shown by solid lines in FIG. 1).

Therefore, the knitting needles 2D' that have been retreated from the second needle selection position (position D) are also retreated to the normal knitting path (shown by solid lines in FIG. 1) (shown in FIG. 6).

Therefore, only the knitting needles in section T in FIG. 5 are used to knit pattern stitches.

In the present invention, the pattern has been described as one in which three colors are simultaneously knitted, but other patterns are also possible.

In the present invention, as described in detail above, the knitting needles selected at the first needle selection position and the second needle selection position of a desired part can be switched and introduced into the normal knitting path by simply sliding the carriage. In addition to introducing knitting needles selected at 1st in knitting needles
Since the knitting needles selected at the needle selection position and the second needle selection position can be introduced into the normal knitting path to perform partial pattern knitting, it has the advantage of being able to knit complex patterns rich in variety. It has the following effects.

[Brief explanation of drawings]

Fig. 1 is a back view of the device of the present invention, Fig. 2 is an enlarged explanatory view of the main parts, Fig. 3 is an explanatory view of the operation of the front moving plate and the front operating arm, and Fig. 4 is an illustration of the rear rotating plate and the rear operating arm. FIG. 5 is a top view of the needle bed, and FIGS. 6A to 6E are explanatory diagrams of the functions of the front switching cam and the rear switching cam. B... knitting emotional position, C... first needle selection position, D... second needle selection position, 23, 23',
25, 25'...Switching cam.

Claims (1)

[Claims] 1. A needle selection device for selecting a desired knitting needle on the needle bed at three positions: the knitting waiting position, the first needle selection position, and the second needle selection position ahead of this position is installed on the needle bed, the carriage, or both. A normal knitting path through which the knitting needles at the knitting standby position pass through the carriage, and a first knitting path through which the knitting needles at the first needle selection position pass through the carriage.
A pattern knitting path and a second pattern knitting path are formed through which the knitting needles at the second needle selection position pass, and the knitting needles at the first and second needle selection positions pass through as they are to knit the first and second patterns, respectively. A hand knitting machine characterized by being provided with a switching cam that can take a position where the knitting needles are introduced into the passageway and a position where all the knitting needles at both positions are introduced into the normal knitting passageway.