JPS6245343B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION In order to cause a carriage mounted on a needle bed to switch and introduce the butts of knitting needles into either of a pair of front and rear butt passages, the present invention provides two needles at the branching part of the two butt passages. A switching cam movable between positions is provided, and the needle bed has a length corresponding to a range of the required number of continuous knitting needle groups, and corresponds to the range of the required number of knitting needle groups as the carriage slides. The present invention relates to a knitting needle guiding device including an operating cam for switching the switching cam from one of the two positions to the other position.

An object of the present invention is to provide the carriage with an actuation member that engages with the actuation cam and moves within a predetermined range, and between the actuation member and the switching cam, and to connect the two so that they can interlock. and a contact/separation means capable of switching the switching cam between the two positions by movement of the actuating member and a state of disengaging the connection between the two positions. When the operating member is switched to the connected state, the switching cam is switched from one position to the other position by the operating cam as the carriage slides;
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Only the required number of consecutive knitting needle groups corresponding to the operating cam are guided to one of the two butt passages, and the other knitting needle group is introduced into the other butt passage, or conversely, the required number of consecutive knitting needles corresponding to the operating cam is guided. Only the group of knitting needles can be guided to the other butt passage, and the other group of knitting needles can be introduced into one of the butt passages, and the connection between the switching cam and the actuating member can be switched to a state where the connection between the switching cam and the operating member is released. In such a case, in knitting such as flat knitting which does not require the guidance switching of the knitting needle group, the operating cam may be placed on the needle bed by mistake, or it may be left in place due to the knitting needle guidance switching. Even if the carriage is slid, the switching cam will not be switched by the operating cam, and the course of the butt of the knitting needle will be changed due to a malfunction of the switching cam due to an unexpected action of the operating cam, resulting in an error. It is possible to reliably prevent the risk of vine knitting being performed or excessive force being applied to various members such as switching cams and operating cams, resulting in damage to these members or hindrance to knitting operations. An object of the present invention is to provide a new knitting needle guiding device for a knitting machine.

Hereinafter, an embodiment of a hand knitting machine embodying the present invention will be described with reference to the drawings. In the drawing, 1 is an elongated needle bed, and a large number of knitting needles 2 are arranged in the longitudinal direction.
and comb teeth 3 are alternately arranged in rows at equal pitches. As shown in FIG. 1, each knitting needle 2 is movable up and down and back and forth with its butt 2a projecting upward from the needle groove 1a formed in the needle bed 1. The elastic member 1b normally positions it in an upper position in a substantially horizontal state. Reference numeral 4 denotes an upper support member provided on the needle bed 1 behind the knitting needle 2, which receives the lower surface of the rear end of the knitting needle 2 which has been moved to the rest position behind the knitting needle including the knockover position, and supports the knitting needle. 2 is placed in the upper position.

Reference numeral 5 denotes a plurality of handle plates having a large number of knitting needle locking pieces 5a on the upper edge, and as shown by solid lines in FIG. The working position for locking and holding the knitting needle 2 in the lowered state and the locking piece 5 as shown by the chain line in the same figure.
The knitting needles a can be moved individually by a half-pitch of the arrayed knitting needles between a non-working position where a is located between adjacent knitting needles 2 and does not act on a predetermined knitting needle. 6
is a needle selection card inserted and supported on the outer periphery of the card feed shaft 7, and the needle arrangement signal shown in FIG. As shown, the signal reading member 8 is selectively arranged in two positions, upper and lower, and as the rotary cam body 9 rotates, the short leg of the signal reading member 8 in the upper position swings around the long leg as the center of rotation, so that the operating rod is 10, a predetermined handle plate 5 is moved to an operating position. Reference numeral 11 denotes an endless belt that is hung between the sprocket wheels at both ends of the rear side of the needle bed 1, and is reciprocated as the carriage 12, which is mounted on the needle bed 1 so as to be movable from side to side, slides. , to control the rotation of the rotary cam body 9, etc.

Next, the structure of the carriage 12 will be explained. Reference numeral 13 is a base plate of the carriage, and the third
As shown in the figure, a front cam body 14 and a rear cam body 15 are horizontally arranged at a predetermined interval on the lower surface, and behind the rear cam body 15 are the butts 2a of the knitting needles 2 placed at the rest position. A closed needle butt passage 16 is formed for passing the needle through. 17 is a pair of left and right knitting cams disposed between the front cam body 14 and the rear cam body 15, and between the two knitting cams 17 and near both sides of the two knitting cams, there are a number of switchable cams. The knitting cam groups 18 are arranged symmetrically. Then, this formation cam group 18 is pattern-knitted,
By switching and arranging them at positions suitable for flat knitting, etc., two different knitting butt passages are created, for example, in the front and back, for separately guiding the butts 2a of the knitting needles 2 in the operating positions involved in knitting, as shown in FIG. 19,
20 is formed, and as the carriage 12 slides, the butts 2a of the knitting needles 2 that participated in the knitting are introduced into the two knitting butt passages 19, 20, and the yarn feeders 21a, 21b are fed from the two positions front and back to the hooks of the knitting needles 2. Depending on the yarn, knitting such as two-color simultaneous knitting and other knitting such as tack knitting and slip stitching have come to be performed.

22 is a reference butt passage formed along the front edges of both ends of the rear cam body 15 so as to be continuous with the rear ends of the knitting cams 17 on the outside of the knitting cams 17, and the butt passage of the knitting needle 2 is 2a is guided slightly behind the knockover position. 23 is both reference butt passages 22
Through the intermediate cam body 24, the butt 2a of the knitting needle 2, which has been advanced by the required amount from
The needle selection butt passage 23 is formed in front of the reference butt passage 22.
Inside, a substantially inverted mountain-shaped reduction cam 25 serving as a needle selection member is arranged horizontally, and the butt 2a of the knitting needle 2 guided into the needle selection butt passage 23 is reduced as shown in FIG. The cams 25 are used to sequentially move the knitting needles downward for a certain period of time and then release the knitting needles 2, thereby temporarily lowering each knitting needle 2 to a lower position against the elastic force of the elastic member 1b.

Therefore, among these lowered knitting needles 2, the second
As shown by the solid line in the figure, the knitting needle locking piece 5a of the handle plate 5 that has been moved to the operating position is locked to the locking piece 5a, and the carriage 1
Even after being released from the downward action of the downward cam 25 due to the sliding of 2, the downward position is retained and held;
In addition, as shown by the chain line in the figure, the needle locking piece 5a of the handle plate 5 located at the non-operating position is not locked by the locking piece 5a, and is not locked by the lowering action of the lowering cam 25. After being released, it is moved back to the upper position by the elastic force of the elastic member 1b.

Reference numeral 26 denotes a sorting cam disposed on both sides of each of the lowering cams 25, and as shown in FIGS. 2 and 3, a pair of inclined cam portions 26a intersecting in a V-shape are provided approximately at the center thereof. 26b is formed, and a notch 26c is formed at the lower end edge of the inner inclined cam portion 26a, through which the butt 2a of the knitting needle 2 held in the lower position is allowed to slide downward and pass through. Therefore, as the carriage 12 slides, the butts 2a of the knitting needles 2 placed in the upper position are moved rearward along the inner inclined cam portion 26a without passing through the notch 26c. As for the knitting needles 2 that laterally escape from the lower surface of the carriage 12 and are sorted to the rear position, and that are retained in the lower position, the knitting needles 2 are taken care of immediately after their butts 2a pass through the notch 26c. The signal reading member 8 is a rotating cam body 9.
The handle plate 5 is returned from the working position to the non-working position, and the knitting needle locking piece 5a releases the knitting needle 2 from the locked state.
is returned to the upper position by the elastic force of the elastic member 1b,
After the butt 2a is moved forward along the outer inclined cam portion 26b, it laterally escapes from the lower surface of the carriage 12 and is sorted to the front position.

A pair of left and right cams 27 are rotatably supported on the inner ends of both intermediate cam bodies 24 by a support shaft 27a so as to be movable between two positions at the branching point between the reference butt passage 22 and the needle selection butt passage 23. As shown in FIGS. 3, 7, and 10, there is a linking pin 27 on the upper surface of the upper arm.
b is provided in a protruding manner, and when knitting pattern knitting such as the two-color simultaneous knitting, its open end faces the front side of the reference butt passage 22, as shown by the solid line in FIG. It is arranged in a guiding position where it engages with the butt 2a of the knitting needle 2 that has been slightly advanced from the passage 22 and guides the butt 2a to the needle selection butt passage 23 side. When knitting plain knitting, the open end is located at the starting end, that is, the inner end, of the needle selection butt passage 23, as shown by the chain line in FIG. The butt 2a is switched to a non-guidance position where the butt 2a is introduced into the reference butt passage 22 without being guided to the needle selection butt passage 23 side.

Reference numeral 28 indicates a pair of left and right inclined cam surfaces formed on the front surface of the rear cam body 15 corresponding to the outer rear end of the knitting cam 17, and 29 indicates a pair of inclined cam surfaces near the switching cam 27 and near the starting end of the reference butt passage 22. A pair of left and right one-way guide cams are rotatably supported on the upper surface of the rear cam body 15 so that the front end thereof is always in the guiding action position as shown by the solid line in FIG. The switching cam 27 is held at a protruding position located slightly in front of the open end of the switching cam 27, and resists engagement with the butt 2a of the knitting needle 2 that is about to be guided from the inside to the outside of the reference butt passage 22.
The switching cam 27 which guides the butt 2a
While guiding the button forward upward, the reference butt passage 2
Butt 2 of knitting needle 2 guided from the outside to the inside of 2
3, the rear cam body 15 is rotated to an avoidance position on the upper surface of the rear cam body 15, thereby allowing the butt 2a to pass therethrough.

Next, the configuration of the manual operation mechanism etc. provided on the upper surface of the carriage base plate 13 will be explained with reference to FIGS. An operation piece 31 which is a supported latch plate and has an inclined surface 31a on its front end side.
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When the needle is protruded and moved to the rear latching position, it engages with the rail portion 32 provided along the entire length of the needle bed 1 at the rear end edge, as shown in FIG. Designed to prevent floating. Reference numeral 33 denotes a pair of engagement plates that are provided so as to be movable back and forth on the left and right sides of the lower rear end of the base plate 13, and an operating pin 33a is protruded upward through the through hole of the base plate 13 on the upper surface of the front end thereof. When moved to the rear engagement position, the rear end engages with the engagement hole of the endless belt 11, as shown in FIG.

34 is a pair of shaft pins 35 installed on the left and right sides of the upper surface of the base plate 13 on the above-mentioned hanging plate 30.
It is a sliding plate that is loosely fitted and supported for left and right movement, and has four positions: flat knitting, pattern knitting, one-point pattern knitting (partial pattern knitting), and carriage removal.
A plurality of latching recesses 34b are formed on the front edge thereof to engage with elastic latching pieces 36 fixed on the base plate 13, so that the latching recesses 34b can be moved and arranged. Reference numeral 37 denotes an operating knob rotatably supported by the one shaft pin 35, and a rack plate 38 fixed to the upper surface of one side of the sliding plate 34 is located below the operating knob.
A pinion 39 is provided that meshes with the switching cam 27, the locking plate 30, the engaging plate 33, etc. by rotating the operating knob 37 to switch the sliding plate 34 to the four positions mentioned above. It has come to control related operations.

That is, reference numeral 40 denotes a pair of substantially mountain-shaped end face cams 41 formed on the front edge of the central portion of the sliding plate 34 in order to switch the switching cam 27.
are a pair of left and right ridges formed at the rear end of the sliding plate 34 in order to move the operation switching mechanism provided between the operation cam on the needle bed 1 and the switching cam 27, which will be described later, toward and away from each other. It is a shaped cam groove. Also, 4
2 is a sliding plate 34 at the rear of each long hole 34a.
A pair of left and right almost chevron-shaped cam holes are formed at the rear end, and the operation pin 33a of the engagement plate 33 is press-engaged with the rear edge by the action of a wire spring 43. is moved forward at the position of the sliding plate 34, and is moved backward at the position of the sliding plate 34. Reference numeral 44 denotes a pair of operating pieces formed on the left and right edges of the sliding plate 34. The operating pieces 31 of the locking plate 30 are fitted into the longitudinal grooves 44a of the operating pieces 44, and the locking plate 30 is slidable. The movement plate 34 is moved backward at the position , and moved forward at the position .

Therefore, the linkage structure between the end cam 40, the cam groove 41, the operating cam on the needle bed 1, and the switching cam 27 will be explained with particular reference to FIGS. 7 to 12. A long hole 45 is formed in the support pin 46 which is fixed through the base plate 13 in the vicinity of
A pair of left and right first actuating members are rotatably and slidably supported on the upper surface of the base plate 13 by inserting the actuators a, and an engaging pin 45b is protruded from the upper surface of the outer end thereof. On the lower surface, an operating pin 45c is projected on the same axis as the engaging pin 45b through a through hole in the base plate 13 to a rear position of the needle rest butt passage 16. Reference numeral 47 denotes a pair of left and right second actuating members rotatably supported by the support pin 46 on the lower surface of the base plate 13, and one end thereof has an elongated hole that engages with the linking pin 27b of the switching cam 27. 47a
is formed, and a base plate 13 is formed on the upper surface of the other end.
An operating pin 47b is provided that extends upward through the through hole, and the tension spring 4 is connected to the operating pin 47b.
8, the sliding plate 34 is pressed into engagement with the end cam 40 of the sliding plate 34. and the switching cam 27
is the position of the sliding plate 34, and the tension spring 4 is
8 is held in the guidance non-operating position shown in FIG. 8, and at this position, the end cam 40 switches via the second actuating member 47 to the guiding activation position shown in FIG. .

Reference numeral 49 designates an operating pin 4 of the first operating member 45 at approximately the center of the second operating member 47 in order to connect and separate the first and second operating members 45 and 47.
An engaging portion 49a is a contact/separate through hole formed such that the pin 5c is inserted into the engaging portion 49a, and is capable of engaging and disengaging with the operating pin 45c.
and a release portion 49b, and when the first actuating member 45 is moved to one position as shown in FIG. However, when the first actuating member 45 is moved to the other position as shown in FIG. 8, the actuating pin 45c engages with the engaging portion 49a to join both members 45 and 47 to each other. There is. Reference numeral 50 denotes a pair of left and right switching actuation plates rotatably supported on the upper surface of the base plate 13 by support pins 51 above each of the first actuating members 45, and the upper surface of the central portion thereof is connected to the sliding plate 34. An operating pin 50a that engages with the cam groove 41 of the first operating member 45 is provided in a protruding manner, and the front end portion of the first operating member 45 has a
A bent long hole 50b that engages with the engagement pin 45b is formed, and at the position of the sliding plate 34, the first actuating member 45 is moved to one position shown in FIG. is adapted to move the first actuating member 45 to the other position shown in FIG. Further, the elongated hole 50b of the switching actuation plate 50 is formed when the first and second actuation members 45, 47 are integrally rotated by the actuation cam described later in a state where they are joined to each other as shown in FIG. In order to allow rotation of the engagement pin 45b of the first actuating member 45, the proximal end side is formed to be slightly wider than the bent portion thereof.

Reference numeral 52 denotes an operating cam that is removably mounted near the rear end of the upper surface of the needle bed 1, and selectively places the sliding plate 34 at the one-point pattern knitting (partial pattern knitting) position, as shown in FIG. As shown in FIG. 2, when the switching cam 27 is switched to the non-guiding position and the first and second actuating members 45 and 47 are connected to each other, as the carriage 12 slides, the required number of consecutive pieces involved in the knitting is changed. The switching cam 27 is rotated from a non-guiding position to a guiding position corresponding to the range of the knitting needle groups.

Therefore, the structure of the operating cam 52 will be explained in detail with reference to FIGS. 9 and 10. Reference numeral 53 indicates a plurality of latching protrusions that are formed protrudingly on the front edge of the lower surface of the operating cam 52. It is fitted into the rear end of the needle groove 1a of the floor 1 to position the actuating cam 52 so that it cannot move in the left-right direction and rearward. 54,
Reference numeral 55 denotes a horizontally extending concave groove and a regulating protrusion formed on the rear edge of the lower surface of the operating cam 52, and when the operating cam 52 is installed, there is a groove in the concave groove 54 that protrudes to the upper surface of the needle bed 1. The heads of a plurality of caulking pins 56 are located, and the forward movement of the actuating cam 52 is restricted by engagement between the heads and the regulating protrusion 55. Reference numeral 57 is a cam groove in a planar shape formed near the rear end of the upper surface of the operating cam 52;
As shown in FIGS. 12a and 12b, as the carriage 12 slides, it engages with the operating pin 45c of the first operating member 45, and the first and second operating members 45, 4
7 are integrally rotated to switch the switching cam 27 from the non-guiding position to the guiding position. Therefore, the butts 2a of the required number of consecutive knitting needle groups corresponding to this cam groove 57
The needle selection butt passage 23 is controlled by the switching cam 27.
A needle selection pattern based on the knitting needle arrangement signal on the needle selection card 6 is assigned only to that group of knitting needles.

Note that 58 is a pair of concave indicating lines formed on the front end of the upper surface of the operating cam 52 corresponding to the left and right end positions of the cam groove 57, and indicates the range of the knitting needle group to which the needle selection pattern is applied. It is designed to indicate the knitting needles at each end of the left and right sides. 59 and 60 are operating cams 52
A concave display mark and display code formed approximately at the center of the front end of the upper surface, and a star-shaped display mark 59 indicates the usage mode of one-point pattern knitting,
A display code 60 of "24" indicates the number of knitting needles 2 corresponding to the cam grooves 57.

The operation of the hand knitting machine configured as described above will now be described.

First, when knitting, for example, a two-color simultaneous knitting pattern using this hand knitting machine, the sliding plate 34 is rotated by rotating the operation knob 37 on the top surface of the carriage 12, as shown in FIG. When moved to the position, the latching plate 30 is attached to the rail portion 32 as shown in the figure.
At the same time, the engagement plate 33 is disposed at the rear engagement position where it engages with the engagement hole of the endless belt 11, and the engagement plate 33 is disposed at the rear engagement position where it engages with the engagement hole of the endless belt 11. Thus, the switching cam 27 on the underside of the carriage 12 is placed at the guiding position. moreover,
As the sliding plate 34 is moved to this position, the first actuating member 45 is moved to one position shown in FIG. The provided operating pin 45c is located within the release portion 49b of the contact/separation through hole 49 formed in the second operating member 47, and the connection between the first and second operating members 45, 47 is released.

When the carriage 12 is slid to the left in FIG. 3 in this state, the butt 2a of the knitting needle 2 in the operating position involved in knitting will be located at the rear end of the knitting cam 17 located on the right side in the figure after the knitting operation is completed. The needles are aligned and guided onto the switching cam 27 along the inclined cam surface 28 of the rear cam body 15 and the front end of the one-way guide cam 29 in the protruding position, and are sequentially introduced into the needle selection butt passage 23 by the switching cam 27. Ru. After that, each knitting needle 2
The butts 2a are arranged in a pattern based on the knitting needle arrangement signal on the needle selection card 6 by the cooperative action of the lowering cam 25 and the sorting cam 26 in the needle selection butt passage 23.
As the plate 5 moves, it is sorted into two positions, front and back, and escapes from the lower surface of the carriage 12 to the right.
Therefore, when the carriage 12 is slid to the right in the opposite direction to the above, the butts 2a of each knitting needle 2 are introduced separately into the knitting butt passages 19 and 20 on the lower surface of the carriage 12, and the butts 2a of the knitting needles 2 are introduced into the knitting butt passages 19 and 20 on the lower surface of the carriage 12, and the butts 2a of the knitting needles 2 are introduced into the knitting butt passages 19 and 20 on the lower surface of the carriage 12. Two-color simultaneous knitting is performed as the yarn is fed from the yarn feeders 21a and 21b at the front and rear positions. Also, for pattern knitting such as tuck knitting and slip stitching, the knitting needle guiding action and needle selection action are performed in the same manner as described above.

Next, when performing one-point pattern knitting (partial pattern knitting) using this hand knitting machine, for example, knitting two colors simultaneously, the needle bed
While the actuating cam 52 is attached to the desired position on the upper surface, when the sliding plate 34 is moved to a position using the operating knob 37 on the upper surface of the carriage 12 as shown in FIG. Through this, the switching cam 27 on the underside of the carriage 12 is switched from the guiding position shown in FIGS. 3 and 7 to the guiding non-working position shown in FIGS. 4 and 8. Further, the switching actuation plate 50 is rotated clockwise from the state shown in FIG. 7 by the cam groove 41 of the sliding plate 34, and the first actuation member 45 is moved to the right.
As shown in FIG.
a, and both actuating members 45, 47 are joined to each other.

When the carriage 12 is slid to the left in FIG. 4 in this state, the butt 2a of the knitting needle 2 involved in knitting moves from the rear end of the right knitting cam 17 to the inclined cam surface 28 of the rear cam body 15 after the knitting operation is completed. The guide cams 29 are advanced along the front end of the one-way guide cam 29, and are guided to be aligned in sequence at the bifurcation between the reference butt passage 22 and the needle selection butt passage 23. At this time, for the knitting needles 2 that do not correspond to the cam grooves 57 of the actuating cam 52 on the needle bed 1, since the switching cam 27 is placed in the non-guiding position as shown in FIG. The butt 2a is introduced into the reference butt passage 22 along the switching cam 27, is guided laterally without being affected by the lowering cam 25 and the sorting cam 26, and escapes from the lower surface of the carriage 12.

Further, for the required number of continuous knitting needle groups (24 in the embodiment) corresponding to the cam groove 57 of the operating cam 52, when the butts 2a are guided to the branching part, the needles are moved as shown in FIG. 12a. the first actuating member 4
The operating pin 45c of No. 5 is inserted into the cam groove 57 of the operating cam 52.
After that, the first and second actuating members 45, 47 are integrally rotated clockwise by the cam groove 57, and the switching cam 27 is guided as shown in FIGS. 11 and 12b. Since the butts 2a of the knitting needles 2 are switched from the inactive position to the guiding position, the butts 2a of the knitting needles 2 are introduced into the needle selection butt passage 23 by the switching cam 27, and the selection cams 25 and 26 cooperate with each other. As the handle plate 5 moves based on the knitting needle arrangement signal on the needle card 6, the needles are sorted into two positions, front and back, and escape from the underside of the carriage 12.

Therefore, when the carriage 12 is slid in the opposite direction, the butt 2a of each knitting needle 2
2. For knitting needle groups introduced into either of the knitting butt passages 19, 20 on the lower surface and not corresponding to the cam groove 57 of the operating cam 52, the yarn feeder 21b at the rear position is used.
Plain knitting is performed as the yarn is fed from the cam groove 57 of the actuating cam 52, and two-color knitting is performed at the same time as the knitting needle group corresponding to the cam groove 57 of the operating cam 52 is fed from the yarn feeders 21a and 21b at the front and rear positions. The knitting is performed. Further, for one-point pattern knitting such as tuck knitting and slip stitch knitting, the knitting needle guiding action and needle selection action are performed in the same manner as described above.

Further, as described above, when the sliding plate 34 is moved to a position using the operation knob 37 on the top surface of the carriage 12 to perform pattern knitting, or when the sliding plate 34 is moved and placed to a position to perform flat knitting, the sliding plate 34 is The switching actuation plate 50 is rotated counterclockwise from the state shown in FIG. 8 by the cam groove 41 of FIG.
5c is disengaged from the engagement portion 49a of the contact/separation through hole 49 formed in the second actuation member 47 and placed in the release portion 49b, and the connection between the two actuation members 45 and 47 is released. Therefore, when knitting pattern knitting or plain knitting,
Even if the carriage 12 is accidentally slid while the operating cam 52 is still placed on the needle bed 1, the first operating member 45 is simply rotated by the operating cam 52 and the switching is completed. The operating force is not transmitted to the cam 27, and the operating cam 52 may perform incorrect knitting, or the switching cam 27, the first and second
For various members such as the operating members 45, 47 and the operating cam 52,
There is no risk of damaging these members or interfering with the knitting operation due to excessive force.

Note that the present invention is not limited to the configuration of the embodiment described above, and for example, in the first embodiment, the connecting portion between the switching cam 27 and the second actuating member 47 can be connected and separated, or In the example, the configuration is such that the needle selection pattern can be erased only for a required number of continuous knitting needle groups corresponding to the cam groove 57 of the operating cam 52, and the configuration of the switching cam, the operating cam, the approaching/separating means, etc. It is also possible to make arbitrary changes and embody the invention as appropriate without departing from the spirit of the invention.

As described in detail above, the present invention has a mechanism for causing a carriage mounted on a needle bed to switch and introduce the butts of knitting needles into one of a pair of front and rear butt passages.
A switching cam movable between two positions is provided at the branching part of both butt passages, and the needle bed has a length corresponding to the range of the required number of continuous knitting needle groups, and a slider of the carriage. In the knitting needle guide device, the knitting needle guiding device is provided with an operating cam for switching and arranging the switching cam from one of the two positions to the other position at a position corresponding to the required number of knitting needle groups as the needle moves. An operating member that engages with the operating cam and moves within a predetermined range; and an operating member that is provided between the operating member and the switching cam, and that are interlockably connected so that the switching cam is moved by the movement of the operating member. The switching cam and the actuating member are switched to the connected state by the connecting/separating means by providing a connecting/separating means that can be switched to a state in which the cam is moved between the two positions and a state in which the connection between the two is released. In this case, as the carriage slides, the switching cam is switched from one position to the other position by the operating cam, and only the required number of consecutive knitting needle groups corresponding to the operating cam are switched between the two butt passages. One group of knitting needles is introduced into the other butt passage, or conversely, only a required number of consecutive knitting needle groups corresponding to the operating cam are guided into the other butt passage and the other group of knitting needles are introduced into the other butt passage. It can be introduced into one of the butt passages,
In addition, when the connection between the switching cam and the actuating member is switched to a state where the connection between the switching cam and the actuating member is released by the contacting and separating means, in knitting such as flat knitting that does not require guiding switching of the knitting needle group, the actuating cam may accidentally move the needle. Even if the carriage is placed on the floor or left behind due to the knitting needle guidance switching described above, the switching cam will not be switched and operated by the operating cam, and the switching cam will not be activated unexpectedly. Due to the malfunction of the switching cam, the path of the butt of the knitting needles may be changed, resulting in incorrect knitting, or excessive force may be applied to various members such as the switching cam and operating cam, causing damage to these members. It has an excellent effect of reliably preventing the risk of damage or hindrance to the knitting operation.

[Brief explanation of the drawing]

Fig. 1 is a vertical cross-sectional view of essential parts of a hand knitting machine embodying the present invention, Fig. 2 is a partial front cross-sectional view showing the relationship between the lowering cam on the lower surface of the carriage, knitting needles, and handle plate, and Fig. 3 is a pattern knitting machine. Fig. 4 is a bottom view of the carriage showing the switching state of one point knitting, Fig. 5 is a plan view of the carriage showing the switching state of pattern knitting, and Fig. 6 is a bottom view of the carriage showing the switching state of one point knitting. FIG. 7 is a partially enlarged bottom view of the carriage showing the pattern knitting state; FIG. 8 is a partially enlarged bottom view of the carriage showing the one-point pattern knitting state; 9 is an enlarged perspective view of the operating cam, FIG. 10 is a partial enlarged cross-sectional view of the hand knitting machine showing the operating cam installed state, FIG. 11 is a partial bottom view of the carriage showing the operating state of FIG. 4, and FIG. Figures a and 12b are partially enlarged bottom views of the carriage showing the operating state of Figure 8. Needle bed...1, Knitting needle...2, Butt...2a, Handle plate...5, Needle selection card...6, Carriage...1
2, Base plate...13, Reference butt passage...22, Needle selection butt passage...23, Lowering cam...25, Sorting cam...26, Switching cam...27, Sliding plate...
34, cam groove...41, first actuating member...45,
Operating pin...45c, second operating member...47, operating cam...52, cam groove...57, interlocking member...
70, Moving pin...75, End cam...76, Switching plate...77. 〓〓〓〓〓

Claims (1)

[Scope of Claims] 1. The butt 2a of the knitting needle 2 is connected to the carriage 12 mounted on the needle bed 1 through a pair of front and rear butt passages 22, 2.
3, a switching cam 27 movable between two positions is provided at the branching part of both butt passages 22 and 23, and the needle bed 1
The switching cam 27 has a length corresponding to the range of the required number of consecutive knitting needle groups, and as the carriage 12 slides, the switching cam 27 is moved to one of the two positions at a position corresponding to the required number of knitting needle groups. An operating cam 52 for switching from one position to the other position.
In the knitting needle guiding device, the carriage 12 includes operating members 45 and 47 that engage with the operating cam 52 and move within a predetermined range.
, the operating members 45 and 47 and the switching cam 2
7, the switching cam 27 is moved between the two positions by moving the actuating members 45 and 47, and the switching cam 27 is switched between the two positions and the state where the connection between the two is released. A knitting needle guide device for a knitting machine, characterized in that it is equipped with means 45c and 49 that can approach and separate. 2. The actuating member includes a first actuating member 45 that engages with and moves the actuating cam 52, and a first actuating member 45 that is operatively connected to the first actuating member 45 and the switching cam 27, and that is operatively connected to the first actuating member 45 and the switching cam 27; a second actuating member 4 that moves the switching cam 27 in conjunction with the movement;
7. A knitting needle guiding device for a knitting machine according to claim 1, characterized in that it is constructed by: