JPS584105B2 - Theamikinosenshinsouchi - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a needle selection device for a hand knitting machine, and more particularly to a needle selection device using a cooperative action between a selection member of a needle bed and a needle selection member of a carriage.

Conventionally, in hand knitting machines equipped with two or more well-known handle plate type sorting members, it has been usual to provide the same number of control bodies, such as signal response members, as the number of sorting members.

Unfortunately, since the same needle selection pattern is repeated with the same number of knitting needle groups as the selection member as one unit, for example, 24, 32
In order to obtain a large pattern made up of many groups of knitting needles as one unit, like a book, it is necessary to have as many sorting members as there are, and increasing the number of sorting members unnecessarily complicates the needle selection device. There are drawbacks to doing so.

Therefore, in an attempt to solve this drawback, a needle selection pattern with a large number of knitting needle groups as one unit was obtained using a relatively small number of selection members, for example, in the Japanese Patent Publication No. 48-7900.
This can be seen in the No. 1 gazette, etc.

That is, on a needle bed in which a large number of knitting needles are always arranged in one of the upper and lower normal positions, a selection part that acts when the knitting needles move to another position is provided every few knitting needles, so that the needle bed as a whole is arranged so that the needles do not overlap each other. The carriage which slides on the needle bed is provided with a plurality of sorting members which are arranged so that all the sorting parts for each one can be moved simultaneously between their working position and their non-working position, and the carriage which slides on the needle bed, A needle selection member is provided, which selects knitting needles back and forth according to the action or inaction of the selection portion while sequentially relating the knitting needles to the corresponding selection portions as the carriage slides; By sequentially and repeatedly controlling the sorting member to any one of the above-mentioned active/inactive positions by means of a greater number of control members than the number of the sorting members while timing the movement of the carriage containing the selected member, each The knitting needles related to the sorting part are sorted into a needle selection type in which one unit is a group of consecutive knitting needles of the same number as the control section.

By the way, the carriage that moves on the needle bed is provided with a stitch transfer mechanism that transfers a stitch suspended from a certain knitting needle to an adjacent left or right knitting needle as the carriage moves. It has been proposed to include a knitting needle mechanism for sorting the needles back and forth, or for sorting the needles for the next folding movement after the transfer operation.

According to this stitch transfer operation carriage, by simply moving only the carriage, the stitch transfer operation and the front and rear selection operation of knitting needles can be performed successively, and thereby the desired needle selection can be performed. A lace pattern following the pattern can be easily and quickly obtained.

However, according to the currently most reliable and safest stitch transfer mechanism, the forward transferred knitting needles that are sorted forward and backward must be moved significantly in the vertical direction for the purpose of transfer.

For this reason, in the transfer carriage, when the needle selection device is particularly provided with a needle selection section, the needle selection section not only allows the knitting needles to be related to the selection section, but also transfers the stitches. There is a concern that the transfer knitting needles related to the mechanism may also interfere with the sorting section, and there is a risk that the control order of the sorting section will be greatly disturbed.

However, the present invention eliminates such concerns and skillfully adjusts the width of the stitch transfer attachment mechanism and the needle selection body in the direction of carriage movement and the distance therebetween for the knitting needles that are simultaneously involved. It has been specified.

As a result, even if the knitting needles related to the attachment mechanism interfere with the sorting section, during that interference, the knitting needles related to the needle selection body will not cause any hindrance to the sorting operations before and after that interference. The needle selection unit allows accurate selection from front to back without causing any problems.

A first embodiment embodying the present invention will be described below with reference to FIGS. 1 to 9.

1 in the figure is the needle bed, which not only moves a large number of knitting needles 2 back and forth, but also
A needle presser is provided with a leaf spring 3 that is movably supported up and down and always springs its rear part upward, and further allows the front part of each knitting needle 2 to be lifted as necessary. A sponge 4 is provided.

Reference numeral 5 denotes a needle selection control device installed inside the rear of the needle bed 1. In this embodiment, 24 continuous knitting needles 2 are considered as one unit, and a number of needle selection control devices are used to repeatedly create the same needle selection pattern for each unit. A mechanism is provided.

That is, a holder 6 is installed horizontally corresponding to the lower surface of each of the knitting needles 2, and is equipped with eight sorting members 7 so as to be movable in the direction in which the knitting needles are arranged.

Each of the sorting members 7 is individually provided with a large number of sorting parts 8 for locking knitting needles at pitches related to every eighth knitting needle, as shown in FIG. Arranged like sweetfish.

These sorting members 7 for each sheet are always arranged by means of springs 9 so that the entire sorting portion 8 thereof is not located below the knitting needles 2 but is placed between the adjacent knitting needles 2, as shown by solid lines in FIG. By being held in the operating position and moving in the direction of the arrow in the figure against the action of the spring 90, each sorting portion 8 is
It is made possible to assume an operating position shown by a two-dot chain line in the same figure, in which it can engage with the knitting needle 2 that has been pushed down toward the lower position.

10 is a signal recording card, 11 is a card feeding mechanism for feeding the card 10, which includes a feeding shaft 12 and a ratchet wheel 1.
Consists of 3rd grade.

Reference numeral 14 denotes a substantially U-shaped signal reading unit, which corresponds to the rows 15 of the needle selection signals on the card 11 and has two rows equal to the number of rows.
4 pieces are installed in a row.

Each of these reading bodies 14 is normally made to act on the card 10 by a rising biasing spring 16, and
A push rod 17 also allows the card 10 to be withdrawn.

Reference numeral 18 denotes a scanning control wheel that can be rotated in forward and reverse directions, and is connected to each reading unit 1.
The circumferential grooves 19 corresponding to 4 are arranged in a row in the axial direction, and
A ladder-shaped scanning cam 20 (only the cam is shown) as shown developed in FIG. 7 is provided on one side of each circumferential groove 19.

That is, these scanning cams 20 are formed to protrude within a range of approximately 75 degrees, and their phases are sequentially shifted to control the control wheel 1.
It is formed into a spiral shape with one turn over the entire length of 8.

One leg 14a of the scanning control wheel 18 can be inserted into each groove 19 of the scanning control wheel 18 only when the corresponding reading body 14 is inserted into the through hole 10a of the card 10. The cam 20 swings its leg portion 14a in a horizontal plane about the other leg portion 14b.

Moreover, this scanning cam 20 is provided in a range of about 75 degrees as described above, and the entire length of the scanning control wheel 18 is in a state where it is wound once, so that the one leg 1
As the control wheel 18 rotates, the swinging motion of the scanning control wheel 4a sequentially spreads to the adjacent ones, and each of the swinging movements of the scanning control wheel 18
The rocking state is maintained during the 5 degree rotation.

Reference numeral 21 denotes a rod-shaped control body arranged in a row corresponding to one leg 14a of each reading body 14, which transmits the swinging motion of the leg 14a to a predetermined one of the sorting members 7; In order to move the member 7 from the inactive position shown by the solid line in FIG. 6 to the active position shown by the two-dot chain line in FIG. It is arranged correspondingly to the edge 22a.

In this embodiment, the number of the sorting members 7 is eight,
Since the number of signal arrays 15, reading body 14, and control body 21 on the card 10 is set to 24, which is an integral multiple thereof, the number of control body bodies that are inserted through and connected to each sorting member 7 is 24. The number of parts 21 is three, and the parts 21 are sequentially connected to the sorting member 7 in the arrangement order of every seventh part from the total number of parts.

The front end of the control body 21 inserted into the unspecified sorting member 7 is connected to a laterally long play hole 23 provided in the member 7.
(See Figure 6).

24 is a pair of left and right rotating wheels, 25 is one of the rotating wheels 24
A is a rotating shaft into which a is freely fitted, and each time the rotating wheel 24a changes its rotational direction, it makes about one rotation in the same direction and then stops via a clutch mechanism 26 provided between it and the rotating wheel 24a. be done.

The insertion rod 17 is attached to this rotating shaft 25 during one rotation.
There are provided a cam 27 that operates to temporarily retract all the reading parts 14 from the card 10, and a cam 28 that operates the card feeding mechanism 11 to transport the card 10 during the retraction.

The one rotating wheel 24a is linked to the scanning control wheel 18 via a pair of bevel gears 29 and 30 that double the rotation speed of the rotating wheel 24a.

Therefore, while one rotary wheel 24a rotates half a rotation, the scanning control wheel 18 rotates once, and the signals of the horizontal row of the cards 10 described above are scanned in accordance with the order in which they are arranged.

Reference numeral 31 denotes an endless running belt in the form of an elongated thin strip serving as a driving source for the needle selection control device 5 described above, which is stretched between the pair of rotating wheels 240, and whose front running portion 31a is connected to the guide rail 32 of the needle bed 1. It is made to run along the front.

Then, as the vehicle travels, the one rotary wheel 24a is rotated in conjunction.

In this running endless belt 31, a large number of meshing holes 33 meshing with the teeth of the rotating wheel 24 are arranged in a slightly vertical row over the entire circumference thereof, and the rows are arranged in a slightly vertically elongated manner. The value W (10
The connecting holes 34 are formed in the horizontal direction at intervals equal to 8 mm (see FIG. 8).

The rotating wheel 24a has a pitch circle having a circumferential length corresponding to twice the value W.

In FIG. 8, reference numeral 35 denotes a stitch transfer carriage mounted on the needle bed 1 so as to be movable in either left or right direction. A mechanism for transferring a stitch to an adjacent knitting needle 2 on the right side, and a mechanism for transferring the stitch to an adjacent knitting needle 2 on the left side by moving leftward, are arranged symmetrically.

That is, first, the butt guide cam disposed on the lower surface of the carriage 35 will be explained.
The rear bulkhead of the tank forming D, 37 is the rear bulkhead 36
A pair of rear cam bodies are arranged leaving a butt passage FD extending in the carriage movement direction on the front side of the rear cam body, and a forward cam 38 is provided on the inner side thereof.

Reference numeral 39 denotes a pair of front cam bodies installed horizontally in an elongated manner in front of each of the rear cam bodies 37, and inner and outer retraction cams 40 are provided on the inner side thereof.
．． 41 is provided.

Reference numeral 42 denotes a front bulkhead horizontally installed further forward of both front cam bodies 39, and one chevron-shaped retraction cam 43 is provided at the left and right intermediate portions of the front bulkhead 42.

Due to the arrangement of these cams, even when the carriage 35 is moved in either the left or right direction, on the front side in the direction of movement, it is slightly moved from the knitting preparation position A (the position where the hook tip is located behind the sinker on the needle bed). It is composed of a rear stitch succession path E-C that guides the butt of the knitting needle 2 at the position E that has advanced forward, and a front stitch transfer path B-C that guides the butt of the knitting needle 2 at the needle selection position B just before the needle is removed. be done.

In connection with the bat guide cam described above, the carriage 35
Q needle raising means is arranged symmetrically in the front part of the knitting needle 2, which serves as an attached mechanism for raising or laterally moving the front part of the knitting needles 2 traveling through each of the passages E-C and B-C.

That is, 44 is a needle raising cam that raises the front part of the front knitting needle (the knitting needle that moves along the stitch transfer path B-C) 2 above the sinker upper end, and 45 is the front part of the back knitting needle (the knitting needle that moves along the stitch succession path E-C) 2. Auxiliary needle raising cam that slightly raises the part, 4
6 is the front knitting needle 2 raised by the needle raising cam 44;
47 is a needle return cam that raises the front part of the front knitting needle 2 above the upper end of the sinker again.

These stitch transfer mechanisms transfer stitches using a well-known method, and to briefly explain the outline thereof, when the front part of the front knitting needle 2 is raised by the needle raising cam 44, The front part of the front knitting needle 2 is laterally moved by the needle moving force 46 until it intersects with the rear knitting needle 2. When the front part of the front knitting needle 2 crosses the rear knitting needle 2, the front part of the front knitting needle 2 comes off the needle raising cam 44 and descends. It overlaps the top surface in a cross state.

After this, the rear knitting needle 2 moves to the forward cam 38 of the rear cam body 37.
is advanced by the front knitting needle 2, and its distal end hook portion enters the stitch suspended from the front knitting needle 2.

Subsequently, the front part of the front knitting needle 2 is lifted again by the needle return cam 47, and the front part returns between the original sinkers.

As a result, the stitches are also passed over the rear knitting needles 2, which do not advance beyond the flattening position.

From this, when the rear knitting needles 2 are retreated all at once to the knitting preparation position A by the retraction cam 41, the stitches are removed by the rear knitting needles 2.
It is pulled backward by the hook of the knitting needle 2, and the knitting needle 2 is reliably pulled out of the front knitting needle 2.

Subsequently, when the front knitting needles 2 are retreated all at once to the knitting preparation position A by the retreating cam 40 and the chevron-shaped retreating cam 43, the stitches are knocked over from the front knitting needles 2 and completely attached to the rear knitting needles 2. will be relocated.

The stitch transfer carriage 35 further includes a retraction cam 4.
A needle selection unit 48 is provided which sorts the butts of the knitting needles 2 that have been retreated by either 0.41 into two positions, front and back, and guides them out to the outside of the carriage.

That is, a lowering cam 49 for pressing the butt of the knitting needle 2 is provided along the butt passage FG, and the lowering cam 49 is provided along the butt passage FG.
A separation cam 50 is provided at the outer abutment of -G, which allows the low butt pressed by the lowering cam 49 to pass straight through as it is, and moves the high butt, which has returned immediately after being lowered, backward.

A cam body 51 is provided to connect to the outside of the lower butt and actuate the low butt forward, and the cam body 510
Further, an island-like cam 52 is disposed outwardly to further advance the knitting needles 2 advanced by the cam body 51 to the needle selection position B immediately before the needle slips out.

Reference numeral 53 denotes a guide cam provided on the outside of the cam body 51, which is rotatable between the position shown by the solid line and the position shown by the two-dot chain line in FIG. 8, and is always in the position shown by the solid line. A spring (shown in the figure) is provided, and this guides the knitting needles 2 at the knitting preparation position A that have entered the carriage 35 to the stitch succession path E-C, and also guides the needles 2 from the opposite direction. The knitting needle 2 is easily avoided forward by the butt of the coming knitting needle 2, and the butt is passed through as it is.

These needle selection members 48 are provided on both left and right sides of the carriage 35, and the one on the rear side in the carriage movement direction acts, but the distance between these left and right needle selection members 48 is the value described above. is made equal to W.

Similarly, a pair of left and right connecting pins 54 are provided at the rear of the carriage 35 so as to fit into the connecting hole 34 and allow the running endless belt 31 to travel in conjunction with the movement of the carriage.

By the way, the widths of the needle selection unit 48 on one side of the carriage 35 and the needle lifting means (attached mechanism) on the other side of the stitch transfer mechanism in the carriage movement direction and the distance therebetween are shown in FIG. 7 or 9. The positional relationship is as shown in .

That is, in the needle selection body 48, in the relationship between the body 48 and the scanning cam 20, the knitting needle 2 corresponding to one selection portion 8 is pressed down by the pressure reduction cam 49; Its operation, taking into account that the sorting element 7 with part 8 is started by the scanning cam 20 and that the operation of the sorting element 7 is ended only after the knitting needles 2 have passed the separation cam 50. The distance Q from the end part to the rolling start part is the pitch P of the 80 rows of the sorting parts.
It is set as follows.

Further, in the needle raising means, while the front knitting needles related to the needle raising means interfere with one sorting portion 8 of the sorting member T with one sorting member 7 as the target, the interfering knitting needle The positional relationship is such that the knitting needle that is one unit later acts on the needle selection body 48.

That is, as the front part of the front knitting needle 2 related to the needle lifting means is lifted by the needle lifting cam 44 etc., the sponge 4k is in a state as shown in FIG. 4, for example.
In addition, since the suspended knitted fabric T is subjected to a large downward tension, its rear portion descends significantly regardless of the action of the leaf spring 30, and enters into the movement range of the sorting portion 8, so-called. Assuming a substantial interference range R, the distance X from the interference starting portion to the separation cam 50 is four times the arrangement pitch P of the sorting portion 8. At the same time, the distance Y from the end of the interference to the start point of the rolling release of the rolling cam 49 is set to be at least twice the arrangement pitch P.

As a result, as is clear from FIG. 9, for example, when the knitting needle 2C corresponding to one sorting portion 8C of one sorting member 7 escapes from the interference range R, the two The knitting needles 2e corresponding to the later sorted portions 8e are released from the pressure, and before the knitting needles 2a corresponding to one sorted portion 8a enter the interference range R, the knitting needles 2e corresponding to the later sorted portions 8e are moved to the four subsequent sorted portions 8e. The corresponding knitting needle 2e passes through the separation cam 50.

That is, the knitting needle 2b corresponding to one selected portion 8b exists as the only knitting needle within the interference range R (2a, 2c
do not exist at the same time), the selection part 8e after three
The knitting needles 2e corresponding to the knitting needles 2e (knitting needles separated by one unit value W) are released from their pressure and act on the separation cam 50.

This embodiment is configured as described above.

Therefore, the stitch transfer carriage 35 having the above configuration,
By using the carriage 35 in combination with a flat knitting carriage prepared separately (this carriage does not have the connecting pin 54 for driving the belt, or is retracted to a non-working position), it can be used for two stitches or three stitches. Lace knitting that involves stitch transfer can be performed very easily.

That is, when the relocation carriage 35 is first moved in either the left or right direction, the knitting needles 2 that have been lined up and waiting in the knitting preparation position A in advance are moved in either the left or right direction.
The butt passes through the guide cam 53 on the front side in the carriage movement direction, moves through the stitch succession path E-C, and acts on the needle selection body 48 on the rear side in the movement direction.

Further, in connection with the movement, the carriage 35 causes the front running portion 31a of the running endless belt 31, on which the connecting pin 54 is enlarged, to run in conjunction with the movement, and at the same time, the carriage 35 moves the rotating shaft 24a.
and rotates the scan control wheel 18.

When the carriage 35 and the belt 31 interlocked therewith move by the one unit value W, the bevel gear 2
9.30 etc., the rotary wheel 24a is rotated by half a rotation, and the control wheel 18 is rotated by one rotation.

Therefore, by the signal scanning and transmission of the signal by the control wheel 18, needle selection control is performed to leave the sorting member 7 in the inactive position shown by the solid line in FIG. The motion cycles at the same speed as the movement speed of the carriage 35.

That is, only the reading body 14 corresponding to the through hole 10a of the card 10 is oscillated in a horizontal plane by the scanning cam 20, and a predetermined reading is performed under the intervention of the corresponding control body 21. The sorting member 7 moves in the direction of the arrow in FIG. 6 against the action of the spring 9, and the sorting portion 8 can engage with the knitting needle 2 pushed down toward the lower position, as shown by the two-dot chain line in the same figure. Place it in the working position.

As a result, the knitting needles 2 acting on the needle selection body 48 are
All of them are pressed down by the lowering cam 49 of the butt passage FG, and then only those corresponding to the sorting portion 8 which have assumed the operating position shown by the two-dot chain line in FIG. 6 by the operation of the control body 21 , is locked to the sorting portion 8, resulting in a low bat.

Then, the knitting needles 2 corresponding to those in which the sorting portion 8 is directly disposed between adjacent knitting needles are returned upwardly by the leaf spring 3 when the pressure is released, and become high butt.

As a result, after the high and low butt needles are sorted forward and backward by the separating cam 50, the operation of the sorting member 7 by the scanning cam 20 is completed for the low butt needle, so that the sorting member 7 is moved to the spring 9. It returns to the non-operating position shown by the solid line in FIG.

The control operation of scanning the horizontal rows of signals on the card 10 according to the order of their arrangement circulates with one rotation of the scanning control wheel 18, and the circular operation is repeated.
The knitting needles that act sequentially on the needle selection body 48 take the continuous 24 knitting needles as one unit, and create the same needle selection pattern for each unit, and then move the knitting preparation position A and the selection needle just before falling off. It is sorted into position B and led out to the outside of the carriage.

After sorting the knitting needles 2 into the two positions A and B in this way, the transfer carriage 35 can be simply turned back and transferred, and as a result, the rotating wheel 24a changes its direction of rotation, and At the beginning of the conversion, the rotation axis 2
The cams 27 and 28 cause the card 10 to move by one pitch, that is, to convert the signal.

Therefore, the butts of the knitting needles 2 in the two positions A and B, which were selected during the previous movement, are separately placed in the two butt passages A-E-C and B-C on the front side in the carriage movement direction. guided,
As a result, the stitch suspended on the front knitting needle 2 is transferred to the rear knitting needle 2 adjacent to the front side in the carriage movement direction based on the transfer mode described above.

After that, the 20 batts of each knitting needle that have completed the stitch transfer are
It acts again on the needle body 48 on the rear side in the carriage movement direction and on the opposite side from the previous movement.

At this time, the knitting needle that precedes the working knitting needle 2,
If all of them have already completed the stitch transfer operation, there is no problem at all.

However, it is extremely rare for such a small group of knitting needles to be involved in knitting, and generally, while performing stitch transfer operation on the front side in the carriage movement direction,
The sorting operation must be carried out at the rear.

Therefore, in such a case, the positional relationship of the needle selection body 48 etc. becomes extremely effective.

That is, with respect to one sorting member 7, the knitting needle 2e corresponding to one sorting portion 8e (see FIG. 9) is not in the above-mentioned positional relationship after its pressure is released until it reaches the separation cam 50. The knitting needle 2b, which precedes the knitting needle 2e by one unit, exists within the interference range R as the only one.

Therefore, if the knitting needle 2e is, for example, a knitting needle that transfers stitches during the next turning movement of the carriage, it is a knitting needle that does not transfer stitches at least during the current carriage movement, and this also means that the unit Since the same needle selection pattern is repeated each time, the same can be said for the knitting needle 2b that precedes by one unit.

Therefore, in order to sort the knitting needle 2e forward with a low butt, it is necessary to arrange the sorting portion 8e corresponding to the knitting needle 2e in the operating position, but when looking at the knitting needle 2b, it is simply the auxiliary needle raising cam 45. The rear part of the knitting needle 2b does not interfere with the corresponding sorting part 8b at all.

Therefore, the operation of the sorting member 7 including the sorting portions sb and 8e, that is, the movement of the scanning cam 20 to the operating position shown by the two-dot chain line in FIG. This ensures that the knitting needles 2e can be selected accurately.

Furthermore, if the knitting needle 2b is a knitting needle that transfers stitches during the current movement of the carriage, its front portion will be greatly lifted by the needle lifting cam 44 or the like, and this will cause the knitting needle 2b to be moved to the sorting portion 8b corresponding to the knitting needle 2b. However, if we look at the knitting needle 2e that is one unit behind the knitting needle 2b, this is also a knitting needle that has transferred stitches during its movement, so the knitting needle 2e will necessarily move backwards as a high butt. It should be sorted out.

Therefore, the sorting member 7 including those sorting parts 8b and 8e
is in a state where it cannot move to the operating position shown by the two-dot chain line in FIG. 6 due to the interference of the knitting needle 2b, but at this time,
The sorting member 7 is not affected by the scanning cam 20,
It remains in its inactive position.

These may be applied to any other sorting member 7, and since the sorting portions 8 are arranged at a constant pitch P, the same action will be repeated.

As a result, the knitting needles 2 that sequentially act on the needle selection member 48 on the rear side in the moving direction of the carriage 35 are caused to The needles are always sorted back and forth accurately according to the predetermined pattern of needle selection without any hindrance.

After the stitch transfer in one direction and the front/rear selection of the knitting needles are completed in the above manner, the carriage 35 may be turned back and moved again, thereby performing the stitch transfer in the other direction opposite to the above.

Sometimes, when each knitting needle 2 that has completed transfer acts again on the needle selection unit 48 on the rear side in the moving direction of the carriage, it may be desired to temporarily stop the stitch transfer operation by moving the carriage.

That is, the knitting operation may be given to each knitting needle 2 by moving the knitting/knitting carriage instead of the carriage 35, but in such a case, the needle selection member 4
Since it is not necessary to sort the knitting needles 2 forward again by 8, all the knitting needles 2 are led out in a line to the rear knitting preparation position A as high butt needles.

Similarly, in setting both the distances X and Y, the value of the distance When the distance X to the part is more than 4 times (or less in this embodiment), or the value of the distance Y is more than twice the same arrangement pitch P, and the part where the scanning cam 20 starts operating from the part where the interference ends. When the distance y is less than twice (or more in this embodiment), this does not cause any particular trouble, but by, for example, providing the control body 21 with an appropriate elastic force, There is a need to safely avoid operation of the scanning cam 20 in the above-mentioned interference condition.

Next, a second embodiment embodying the present invention will be described with reference to FIGS. 10 and 11.

This embodiment differs from the previous embodiment only in the structure of the carriage 35, and only that carriage will be described.

In the figure, reference numeral 60 denotes a stitch transfer carriage mounted on the needle bed so as to be movable in either left or right direction, and butt guide cams configuring the function for stitch transfer are installed symmetrically on the lower surface of the carriage. .

That is, 61 is a rear bulkhead forming a rear needle rest passage D-D, and 62 is a pair of rear cam bodies arranged with a butt passage FG extending in the carriage movement direction left in front of the rear bulkhead 61. , a forward cam 63 is provided on the outer side thereof.

Reference numeral 64 denotes a pair of front cam bodies that are horizontally arranged in an elongated manner in front of each of the rear cam bodies 62, and a first retraction cam 65 is provided on the outside thereof.

Reference numeral 66 denotes a front bulkhead horizontally installed further forward of both front cam bodies 64, and a pair of second retracting cams 67 are provided on the outer side thereof.

Due to the arrangement of these cams, even when the carriage 60 is moved in either the left or right direction, the rear stitch succession guides the knitting needle 20 butt at the position E, which is slightly advanced from the knitting preparation position A, on the rear side in the direction of movement. Passage E-C and
A forward stitch transfer path B-C is configured to guide the knitting needle 20 butt at the needle selection position B just before the needle is removed.

In connection with the bat guide cam described above, the carriage 60
In the front part of the needle lifting means is provided in a symmetrical manner as an attached mechanism which performs the same function as that of the previous embodiment except for the left and right direction. This makes it possible to transfer the stitches to the original.

Carriage 60 equipped with a mechanism for stitch transfer as described above
, a needle selection unit 68 is used to sort the butts of the knitting needles 2 in the knitting preparation position A that have entered the carriage into two positions, front and back.
will be provided.

That is, a lowering cam 69 for pressing the knitting needle 20 butt is provided along the batt passage FG, and the lowering cam 69 is provided along the batt passage FG.
A separation cam 70 is provided at the inner abutment of -G, which allows the low butt pressed by the lowering cam 69 to pass straight through as it is, and moves the high butt, which has returned immediately after being lowered, forward.

A cam body 71 is connected to the inside of the cam body 71 and operates the low butt backward, and is located further inside the cam body 71 to further select the knitting needles 2 advanced by the separation cam 70. Island-shaped cam 7 that advances to needle position B
2 is placed.

Reference numeral 73 denotes a guide cam provided inside the cam body 71, which is rotatable between the position shown by the solid line and the position shown by the two-dot chain line in FIG. 10, and is always in the position shown by the solid line. A spring (not shown) is provided to project toward the knitting preparation position A from the inside of the carriage, thereby guiding the knitting needles 2 at the knitting preparation position A from the inside of the carriage to the stitch succession path E-C, and from the opposite direction. The knitting needle 2 is easily avoided forward by the bat of the advancing knitting needle 2 and is allowed to pass through the bat as it is.

These needle selection members 68 are provided on both left and right sides of the carriage 60, and the one on the front side in the direction of movement of the carriage acts, but the distance between these left and right needle selection members 68 is equal to the value W. is made equal to

Meanwhile, a pair of left and right connecting pins 74 similar to the previous embodiment are provided at the rear of the carriage 60, so that the related operations between the needle selection body 68 and the scanning cam 20 etc. are the same as in the previous embodiment. This is done based on the timing relationship.

By the way, the width of the needle selection body 68 on one side of the carriage 60 and the stitch transfer mechanism, especially the needle lifting means (attached mechanism) on the other side, in the carriage movement direction and the distance therebetween are as shown in FIG. This is a positional relationship.

That is, while the front knitting needle related to the needle raising means interferes with one sorting portion 8 of one sorting member 7, the knitting needle preceding the interfering knitting needle by one unit The positional relationship is such that it acts on the needle selection body 68.

For example, assuming a substantial interference range R similar to the previous embodiment, the distance X from at least the interference starting portion to the separation cam 70 is set to be at least twice the pitch R where the sorting portions 80 are arranged. At the same time, the distance Y from at least the end portion of the interference to the start portion of the rolling release of the rolling cam 69 is set to be four times or less than the pitch P of the parallel arrangement.

As a result, as is clear from FIG. 11, with respect to one sorting member 7, the knitting needle 2e corresponding to the one sorting portion 8e escapes from the interference range R, and then the knitting needle 2e corresponding to the one sorting part 8e moves to the four knitting needles 2e before it. The knitting needle 2a corresponding to the sorted portion 8a is released from the lowering state, and before the knitting needle 2c corresponding to one sorted portion 8c enters the interference range R, the knitting needle 2a corresponding to the sorted portion 8a of The knitting needle 2a corresponding to the knitting needle 2a passes through the separation cam 70.

That is, the knitting needle 2d corresponding to one selected portion 8d exists as the only knitting needle within the interference range R (2c, 2e
do not exist at the same time), the three previous sorting part 8a
The knitting needles 2a corresponding to the knitting needles 2a (the knitting needles separated by one unit value W) are released from their pressure and act on the separation cam 70.

This embodiment is configured as described above.

Therefore, by moving the stitch transfer carriage 60 having the above-mentioned configuration in either the left or right direction, the knitting needles 2
It is possible to complete front and back sorting and stitch transfer based on the type of sorting in one go.

For example, when the carriage 60 is moved in either the left or right direction, the knitting needles 20 butts that have been aligned and waiting at the knitting preparation position A are moved to the needle selection member 68 on the front side in the direction of movement.
are sorted into the two positions A and B.

Then, the butts of the knitting needles 2 sorted into the two positions A and B are individually guided to the two butt passages A-E-C and B-C located on the rear side in the direction of carriage movement. , the stitch suspended on the front knitting needle 2 is transferred to the rear knitting needle 2 adjacent to the front side in the carriage movement direction.

That is, although the order of the operations is reversed from that of the previous embodiment, as the carriage 60 moves in one direction, the operation of sorting the knitting needles back and forth and the operation of transferring the stitches are performed at the same time.

Therefore, the positional relationship of the needle selection body 68 and the like becomes extremely effective.

That is, for one sorting member 7, the knitting needle 2a corresponding to one sorting portion 8a (see FIG. 11) acts on the needle selecting body 68 to release its pressure, and then the separating cam Up to 70, the knitting needle 2a is
The only knitting needle 2d that is one unit behind is present within the interference range R.

Therefore, if the knitting needle 2a is a knitting needle that does not transfer stitches by moving its carriage, for example, since the same knitting needle pattern is repeated for each unit, for the knitting needle 2b that follows one unit from this needle, The same can be said.

Therefore, in order to sort the knitting needle 2a backward with a low butt, it is necessary to arrange the sorting part 8a corresponding to the knitting needle 2a in the operating position, but when looking at the knitting needle 2d, it is simply the auxiliary needle raising cam 45. The rear part of the knitting needle 2d does not interfere with the corresponding sorting part 8d at all.

Therefore, the operation of the sorting member 7 including the sorting portions 8a and 8d, that is, the movement of the scanning cam 20 to the operating position shown by the two-dot chain line in FIG. This ensures that the knitting needles 2a can be selected accurately.

Further, if the knitting needle 2d is a knitting needle that transfers stitches by movement of its carriage, the front portion thereof is a needle raising cam 44.
etc., and this interferes with the sorting part 8d corresponding to the knitting needle 2d, but the knitting needle 2
Regarding the knitting needle 2a that precedes knitting needle d by one unit, since this is also a knitting needle that transfers stitches during movement of the carriage, that knitting needle 2a should necessarily be selected forward as having a high batt.

Therefore, the sorting member 7 including these sorting parts 8a and 8d
is in a state where it cannot move to the operating position shown by the two-dot chain line in FIG. 6 due to the interference of the knitting needle 2d, but at this time,
The sorting member 7 is not subjected to the action of the scanning cam 200,
It remains in its inactive position.

These may be applied to any other sorting member 7, and since these sorting portions 8 are arranged at a constant pitch P, the same action is repeated.

As a result, the knitting needles 2 that sequentially act on the needle selection member 60 on the front side in the moving direction of the carriage 60 are prevented from moving, even though the stitch transfer operation is being performed on the rear side in the moving direction. The needles are always sorted back and forth accurately according to the predetermined pattern of needle selection without causing any trouble.

In both of the above-mentioned two embodiments, in determining the positional relationship of the needle selection body 48, 68, etc.,
The knitting needles that precede or follow the interference knitting needle by one unit are set to be sorted forward and backward by the needle selection member, but the present invention is not limited to this, for example, two or three units. Even if it is made into several units, the same action and effect as above can be achieved.

Moreover, the needle selection mode of the combing portion and the needle selection body in each of the above-mentioned embodiments is not limited to this at all.

For example, by selecting a simple rectangular sorting part as an active position corresponding to the lower surface of the knitting needle and a non-working position arranged between the adjacent knitting needles, the knitting needle related to the selecting part is
It can also be easily replaced with a type in which the needle selection section of the carriage selects the knitting needles back and forth depending on whether the needles are prevented or allowed to descend by the selection section.

As explained above, in the present invention, when constituting the same needle selection pattern for each unit of an appropriate number of consecutive knitting needle groups on the needle bed, each of the plurality of selection members on the needle bed is By repeatedly participating in needle selection for each selection section corresponding to the knitting needle,
In a needle selection device for a hand knitting machine in which a needle selection unit of a carriage sorts knitting needles back and forth each time the carriage is involved, either one of the knitting needles sorted forward or backward is placed in the carriage, which interferes with the sorting part. In addition, an attached mechanism is provided that transfers stitches by moving the needle in the vertical direction more than the width of the attached mechanism and the needle selection body in the carriage movement direction, and the distance therebetween is determined by the knitting needles related to the attached mechanism. Knitting needles that precede or follow the interfering knitting needle by one or several units act on the needle selection member while interfering with one of the selection parts of the selection member. be.

Therefore, with an extremely simple operation of simply moving the carriage, it is possible to perform the front and rear sorting operations of knitting needles and the operations of stitch transfer in succession, making it very easy to knit lace stitches. Furthermore, by skillfully specifying the positional relationship of the needle selection member etc. as described above, the working knitting needle can be moved to the selection member of the needle bed in order to perform the stitch transfer operation. Even though the knitting needles are interfering with each other, the knitting needles acting on the needle selection body in the state of interference are always accurately positioned at specific front and back positions under a needle selection mode that does not cause any trouble due to the interference. Can be sorted.

This has an excellent effect in that, for example, the transferred knitting needles or the like can be moved more reliably and safely, and at the same time each knitting needle can be accurately sorted back and forth.

[Brief explanation of drawings]

Figures 1 to 9 show the first embodiment, where Figure 1 is a top view of the hand knitting machine, Figure 2 is a top view of the main part of the needle selection control device, and Figure 3 is a partial view of the same. Fig. 4 is a cross-sectional view of one side of the hand knitting machine, Fig. 5 is a plan view of control members, etc., Fig. 6 is a front view of sorting members, etc., Fig. 7 is an expanded view of the scanning control wheel, etc. FIG. 8 is a back view of the carriage, and FIG. 9 is an explanatory diagram showing the positional relationship of the needle selection body and the like. 10 and 11 show a second embodiment, in which FIG. 10 is a back view of the carriage, and FIG. 11 is an explanatory diagram showing the positional relationship of the needle selection body, etc. 1 is a needle bed, 2 is a knitting needle, 7 is a sorting member, 8 is a sorting part, 2
1 is the control body, 35 (60) is the carriage, 48 (6B)
Reference numeral 44-47 indicates a needle selection member, and 44 to 47 indicate a needle lifting means as an attached mechanism.

Claims (1)

[Scope of Claims] 1. On the needle bed, a selection portion is provided for every few knitting needles, which acts when the knitting needles, which are normally placed in either the upper or lower normal position, move to another position. In this case, there is provided a plurality of sorting members which are arranged so as to be different from each other and which allow all the sorting parts of each sheet to move simultaneously between their working and non-working positions, and a carriage which slides on the needle bed. The needle selection unit is provided with a needle selection unit that sequentially associates the knitting needles with the corresponding selection portions as the carriage slides, and sorts the knitting needles back and forth according to the action or inaction of the selection portions. By sequentially and repeatedly controlling the sorting member to any of the active and inactive positions while timing the movement of the carriage including the parts, knitting needles related to each sorting part are successively placed on the needle bed each time the sorting member is controlled. In a hand-knitting machine which sorts a suitable number of knitting needles into a single unit of needle selection type, one of the knitting needles which have been sorted forward or backward is placed in the carriage in such a way that the knitting needles do not interfere with the sorting part. An attachment mechanism is provided for transferring stitches by moving the attachment mechanism in the vertical direction, and the width of the attachment mechanism and the needle selection body in the direction of carriage movement and the distance therebetween are set such that the knitting needles related to the attachment mechanism A knitting needle that precedes or follows the interfering knitting needle by one or several units acts on the needle selection member while interfering with the selection part of one of the selection members. Needle selection device for hand knitting machines.