JPH0248472Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a carriage for a hand knitting machine that is capable of performing transparent stockinette knitting.

(Conventional technology) Conventionally, carriages capable of knitting through-hole stockinette knitting were
For example, the one published in Utility Model Publication No. 18843, 1984, and the one published in Utility Model Application No. 18843, which was already devised by the same applicant.
There is one numbered 173606.

When performing transparent stockinette knitting with this type of carriage, only the knitting yarn from the front yarn opening is supplied to the hook of the front knitting needle among the knitting needles on the needle bed, which are divided in advance into two groups, front and rear. The hooks of the knitting needles are supplied with the knitting yarns of the front yarn end and the back yarn end at the same time.

(Problem to be solved by the invention) However, when the knitting yarns of the front and rear yarn ports are supplied to the hooks of the rear knitting needles, the front knitting needles, to which only the knitting yarn of the front yarn ports are supplied, move back by a predetermined amount. Sometimes, this closed latch on the forward knitting needles
The knitting yarn at the rear yarn opening is floated, and the knitting yarn is not caught by the hook of the rear knitting needle and comes off upward;
There were cases where a problem called "missing eyes" occurred.

(Means for Solving the Problems) In view of the above-mentioned problems, this invention is based on the lower surface of the carriage, in which the butts of the knitting needles are advanced to the front of the tongue removal position on the outer surface, and the butts of the knitting needles are pushed forward on the inner surface. A pair of left and right knitting cams are retracted to the rear of the knock-over position, and the butt of the rear knitting needle of the knitting needles divided into two groups, front and rear, is guided from the outer surface of one knitting cam to the inner surface of the other knitting cam. a rear knitting passage; and a front knitting passage for guiding the butts of the front knitting needles from further forward of one knitting cam to the inner surface of the other knitting cam; A front yarn opening that supplies knitting yarn to the hook when the butt of the hook is retracted by the inner surface of the other knitting cam, and a front yarn opening that supplies knitting yarn to the hook when the butt of the rear knitting needle of the rear knitting passage is retracted by the inner surface of the other knitting cam. In a carriage for a hand knitting machine capable of through-hole stockinette knitting, which is equipped with a rear yarn opening that supplies other knitting yarns along with the yarn of the front yarn opening to the hook when the knitting yarn is knitted, the lower surface of the front side part of the carriage is provided. At a position substantially corresponding to the front of the knitting cam, when the knitting yarns of the front and rear yarn ports are supplied to the hooks of the rear knitting needles, the knitting yarns act from above on the knitting yarns of the rear yarn ports. A yarn pressing member is provided to prevent the yarn from floating up, and the yarn pressing member is configured to be switchable between an active position where it acts on the knitting yarn at the rear yarn opening and a non-active position where it does not act on the knitting yarn. It is.

[Function] In the carriage for a hand knitting machine capable of transparent stockinette knitting constructed as described above, when the knitting yarns at the front and rear yarn openings are supplied to the hooks of the rear knitting needles, the knitting yarn at the rear yarn opening Since the yarn pressing member acts from above to prevent the knitting yarn at the rear yarn opening from floating up, the knitting yarn at the rear yarn opening is reliably captured by the hook of the rear knitting needle.

Furthermore, like flat knitting, two-color simultaneous knitting, etc.
When performing knitting other than through-hole stockinette knitting, by arranging the thread presser member in a non-active position, the thread presser member does not act unexpectedly on the knitting yarn supplied from the rear yarn opening.

(Example) An example of this invention will be described below with reference to the drawings.

Carriage 1 mounted on the needle bed so that it can slide left and right
In FIG. 1, which is shown from the bottom, a front partition wall 3 for forming a front needle rest passage A-A is provided on the front side of the lower surface of the carriage base plate 2, and on the rear side of the lower surface of the carriage base plate 2. A rear partition wall 4 for forming a rear needle rest passage B-B is disposed at the rear side partition wall 4.

A pair of intermediate partition walls 5 for forming a front knitting passage C between the carriage base plate 2 and the front partition wall 3 are disposed on the left and right sides of the center of the lower surface of the carriage base plate 2. is the opening/closing cam 6 of the front formation passage C.
is installed. And the front formation passage C is
The butt of the front knitting needle of the knitting needles, which are divided in advance into two groups, front and rear, on the needle bed is guided and once advanced to the front of the flattening position, it merges into the rear knitting path D described below and knocks the butt. The knitting needle is moved backward from the over position, and only the knitting yarn T1 of the front yarn opening 37, which will be described later, is supplied to the hook of the front knitting needle which is in a flat state during the guidance.

A pair of left and right knitting cams 7 are provided on the left and right sides of the center of the lower surface of the carriage base plate 2 for forming a rear knitting passage D between the rear partition wall 4 and the middle partition wall 5.
are arranged, and an auxiliary knitting cam 8 for opening and closing the rear knitting passage D is arranged at the rear end of these knitting cams 7. The rear guide path D guides the butts of the rear knitting needles of the knitting needles that have been divided into two groups in advance, moves them forward once to the tongue-out position, and then retreats them to the rear of the knock-over position. The knitting yarn T1 of the front yarn opening 37 and the knitting yarn T2 of the rear yarn opening 38, which will be described later, are simultaneously supplied to the hook of the rear knitting needle which is in a state of being loose in the middle.

Needle selection cam mechanisms 9 are provided on both left and right sides of the lower surface of the carriage base plate 2, respectively, and the needle selection cam mechanisms 9 are provided with a selection cam in the needle selection path E for dividing the butts of each knitting needle after knitting into two groups, front and rear. ing. An opening/closing cam 10 for opening and closing these passages E is disposed at the inner end of each needle selection passage E.

At the center of the lower surface of the carriage base plate 2, a partition guide plate 11 is disposed between a pair of left and right intermediate partition walls 5 to partition a front knitting path C and a rear knitting path D.

Further, a fixed cam 12 for forming a rear unorganized passage F between the front side surface of the rear partition wall 4 and the lower surface of the carriage base plate 2 is disposed. A pair of tactical cams 13 are provided.

Further, a path changing cam 14 is disposed at the center of the lower surface of the carriage base plate 2, and is capable of changing its position in two positions, front and rear, in the middle of the rear organization path D. As shown in FIGS. 6 and 7, the path changing cam 14 is formed by a long hole 15 in the longitudinal direction formed in its base 14a and a guide pin 16 protruding from the lower surface of the carriage base plate 2. It is attached so that it can be moved forward and backward.

As shown in FIGS. 1 and 6, when the front end of the elongated hole 15 contacts the guide pin 16 and the path changing cam 14 is placed at the rear first position,
By guiding the butt of the rear knitting needle to a position where the butt is almost flat, the knitting yarn T1 of the front yarn opening 37 and the knitting yarn T2 of the rear yarn opening 38, which will be described later, are attached to the hook of the rear knitting needle.
When the rear end of the elongated hole 15 comes into contact with the guide pin 16 and the path changing cam 14 is placed in the second forward position, as shown in FIGS. 7 and 8, the rear knitting needle By guiding the butt slightly behind the flattening position, only the knitting yarn T2 of the rear yarn opening 38 is supplied to the hook of the rear knitting needle.

Further, a pair of left and right auxiliary cams 17 are arranged between both sides of the path changing cam 14 and the tips of the pair of tack cams 13 so as to be disposed in two positions, front and rear.

At the center of the upper surface of the carriage base plate 2, an operating member 19 having an operating button 18 at the front end is operated to move the passage changing cam 14 between the first position and the second position. A switching member 20 for through-hole stockinette knitting is provided to change the position. This switching member 20 is shown in FIGS.
As shown in the figure, a pair of front and rear pins 21 and a long hole 22
The movement is guided in the front and back direction by the spring 2.
3, it is biased and held in the forward position. That is, the front part of the switching member 20 is provided with the images shown in FIGS.
As shown in the figure, a connecting piece 20a that fits into a connecting hole formed in the operating member 19 and integrally connects the operating member 19 and the switching member 20 is provided to protrude upward. Furthermore, an engagement hole 24 is formed at the rear of the switching member 20, and an engagement piece formed on the side (left side in FIG. 6) of the base 14a of the path changing cam 14 is formed in the engagement hole 24. 14b is penetrated. Further, due to the spring 26 interposed between the spring hook 25 formed on the front edge of the engagement hole 24 and the engagement piece 14b, the engagement piece 14b is always connected to the rear edge of the engagement hole 24. path changing cam 1 to engage
4 is pushing backward. As shown in FIG. 6, when the operating member 19 and the switching member 20 are at the rear position, the path changing cam 14 is located at the rear first position, and as shown in FIG. When the switching member 20 is in the forward position, the path changing cam 14 is arranged in the second forward position.

A switching member 27 for two-color simultaneous knitting is disposed on the upper surface of the switching member 20 for the through-hole stockinette knitting, which changes the opening/closing cam 6 of the front knitting passage C and each auxiliary cam 17 to two positions, front and back. has been done. This switching member 27 is connected to the pin 21 and the elongated hole 2.
8, the movement is guided in the front and back direction and always moves by the spring 2.
9, it is biased and held in the forward position. At the front end of the switching member 27, a connecting piece 27a is protruded from the rear side of the connecting piece 20a of the switching member 20 for through-hole stockinette knitting, and is opposite to the connecting piece 20a so as to be able to come into contact with and separate from the connecting piece 20a. As shown in FIGS. 4 and 5, this connecting piece 27a has an operating member 3 provided with an operating button 30 at its front end above the operating member 19.
1 are connected. When the operation member 19 and the switching member 20 for the through-hole stockinette knitting are arranged at the rear position, both the switching members 2
By the engagement of the connecting pieces 20a and 27a of 0 and 27, the operation member 31 and the switching member 27 for two-color simultaneous knitting are placed in the rear position, and thereby, as shown in FIG. A cam arrangement corresponding to through-hole stockinette knitting can be obtained. Further, when only the operating member 31 and the switching member 27 for simultaneous two-color knitting are arranged at the rear position, a cam arrangement for simultaneous two-color knitting can be obtained.

A knitted fabric presser support frame 33 equipped with various presser brush wheels 32 for knitted fabric pressers is removably attached to the front end of the carriage base plate 2 by means of mounting screws. As shown in FIG. 1, a substantially U-shaped opening 34 that opens toward the front is formed in the center of the knitted fabric presser support frame 33. As shown in FIG. A yarn opening member 35 is detachably attached to the central portion of the lower surface of the knitted fabric presser support frame 33 at a position corresponding to the opening 34 using screws 36 or the like. A front yarn opening 37 is provided on the front side of the central part of this yarn opening member 35 for passing the knitting yarn T1 such as a fine yarn, transparent yarn, or colored yarn. A rear yarn opening 38 is provided for passing the knitting yarn T2 through.

At the rear of the lower surface of the thread opening member 35, there is a pair of left and right thread presser arms 39 having a substantially doglegged planar shape.
It is mounted rotatably around a pin 40 at its center.

On the lower surface of one end of each yarn presser arm 39, each knitting yarn T1 of the front yarn opening 37 and the rear yarn opening 38 is provided.
When T2 is supplied to the hook of the knitting needle whose movement is guided by the rear knitting path D, the rear yarn opening 3
Yarn pressing members 41 are respectively provided to act on the eight knitting yarns T2 from above to prevent the eight knitting yarns T2 from floating. In this embodiment, as shown in FIGS. 2, 3, and 4, each thread presser member 41 is formed by an elastic brush that is suspended from the lower surface of each thread presser arm 39. It is configured.

Each thread presser arm 39 is biased by a spring 42 interposed between these arms 39 to a working position in which each thread presser member 41 acts on the knitting yarn T2 of the rear yarn opening 38. . In this operating position, each of the thread presser arms 39
A probe stopper piece 43 is provided protruding from the lower surface of the thread opening member 35 to prevent further rotation about the pin 40 due to the biasing force of the spring 42.

The other end of each thread presser arm 39 is shown in FIGS.
As shown in the figure and FIG. 5, the switching member 20 for through-hole stockinette knitting is vertically overlapped in a state where it faces the front side surface of the interlocking piece 44, which is provided to protrude downward from the front end. There is. And the fifth
7 and 8, when the operation member 19 and the switching member 20 for transparent stockinette knitting are in the front position and the passage changing cam 14 is arranged in the second position, the switching The other end of each thread presser arm 39 is pressed by the interlocking piece 44 of the member 20, and these arms 39 are rotated against the urging force of the spring 42, whereby each thread presser arm 3
The thread holding member 41 of 9 holds the knitting yarn T of the rear yarn opening 38.
2 is arranged in a non-acting position.

Further, on the lower surface of the thread port member 35, on both sides of the front thread port 37 and the rear thread port 38,
A permanent magnet 45 is provided to erect the latch of each knitting needle.

In this embodiment configured as described above, when knitting through-hole stockinette knitting, the operating button 18 for through-hole stockinette knitting is pressed and the operating member 1 is pressed.
By moving the switching member 9 and the switching member 20 to the rear position, the path changing cam 14 is arranged at the second position. At the same time, the operation member 31 and the switching member 27 for two-color simultaneous knitting are activated by the operation button 1.
Since the cam is moved to the rear position in conjunction with the pressing operation of 8, a cam arrangement corresponding to the through-hole stockinette knitting can be obtained as shown in FIG.

When the operating member 19 and the switching member 20 for through-hole stockinette knitting are moved to the rear position, the pair of thread presser arms 39 of the thread opening member 35 are moved by the biasing force of the spring 42, as shown by solid lines in FIG. By pin 4
The thread presser members 41 of each thread presser arm 39 are thereby placed in the operating position.

Under this condition, the carriage 1 is slid on each knitting needle, which has been divided in advance into two groups, front and rear, on the needle bed. Then, the butts of the front knitting needles are guided by the front knitting path C. Then, the hook of the front knitting needle which has been moved forward to the front position and has come out of the flat part is attached to the hook of the knitting yarn T of the front thread opening 37.
After that, the butt of the front knitting needle is retreated to the rear of the knockover position to knit the stitches.

On the other hand, the butts of the rear knitting needles are guided by the rear knitting path D. Then, the knitting yarn T1 of the front yarn opening 37 and the knitting yarn T2 of the rear yarn opening 38 are simultaneously supplied to the hook of the rear knitting needle which has been advanced forward from the flat edge removal position and has reached the flat extraction state. is moved back to the rear of the knockover position to form a stitch.

As shown in FIG. 3, when the knitting yarns T1 and T2 of the front yarn opening 37 and the rear yarn opening 38 are supplied to the hook 52a of the rear knitting needle 52, the lower end surface of the thread presser member 41 in the operating position 38 knitting yarn T2
acts from above. For this reason, the forward clue 3
When the front knitting needle 51 to which only the knitting yarn T1 of No. 7 is supplied retreats by a predetermined amount, the closed latch 51b of the front knitting needle 51 causes the knitting yarn T of the rear yarn opening 38 to be
2 is about to float, the thread presser member 41
This prevents the knitting yarn T2 at the rear yarn opening 38 from floating up. Since the knitting yarn T2 of the rear yarn opening 38 is reliably captured by the hooks 52a of the rear knitting needles 52, dropped stitches are eliminated.

When knitting other than the above-mentioned transparent stockinette knitting,
For example, when performing flat knitting, the cam arrangement corresponding to flat knitting is set as shown in FIG. 8 by using an operation button (not shown).

At this time, locking means (not shown) that locks the operating member 19 for transparent stockinette knitting and the operating member 31 for two-color simultaneous knitting at the rear positions, respectively.
The action of each of the operating members 19, 31 is released.
However, together with each switching member 20, 27, the spring 23,
It is placed in the front position by the urging force of 29.

Then, as shown by the chain line in FIG.
0 is rotated in the opposite direction against the biasing force of the spring 42 and about the pin 40 as a fulcrum, and each thread presser arm 39
As shown in FIGS. 5 and 8, the yarn pressing member 41 is disposed at a non-acting position where it does not act on the knitting yarn T2 of the rear yarn opening 38.

For this reason, when knitting other than transparent stockinette knitting, such as flat knitting or two-color simultaneous knitting,
The yarn pressing member 41 does not act on the knitting yarn T2 supplied from the rear yarn opening 38, and the knitting such as flat knitting is not hindered at all.

(Effects of the invention) As described above, according to this invention, when the knitting yarns of the front and rear yarn ends are supplied to the hooks of the rear knitting needles, the thread presser member in the operating position By acting from above, it is possible to prevent the knitting yarn at the rear yarn opening from floating up. Therefore, the knitting yarn at the rear yarn opening can be reliably captured by the hook of the rear knitting needle, and a through-hole stockinette stitch without dropped stitches can be reliably knitted.

Furthermore, like flat knitting, two-color simultaneous knitting, etc.
When performing knitting other than through-hole stockinette knitting, by arranging the thread presser member in a non-active position, the thread presser member does not act unexpectedly on the knitting yarn supplied from the rear yarn opening. As a result, in knitting other than through-hole stockinette knitting, it is possible to eliminate knitting defects caused by the yarn pressing member unexpectedly acting on the knitting yarn supplied from the rear yarn opening.

[Brief explanation of drawings]

The drawing shows one embodiment of this invention.
The figure is a bottom view of the carriage showing the cam arrangement corresponding to through-hole stockinette knitting, Figure 2 is a bottom view with a partial cutaway showing the state in which the thread presser member is disposed on the thread opening member, and Figure 3
The figure is a simplified perspective view showing a state in which the knitting yarn at the rear yarn opening is prevented from floating by the thread presser, and Figure 4 shows the operating member moved to the rear position and the thread presser is placed in the operating position. FIG. 5 is a side sectional view of the main part of the carriage showing the operating state; FIG. FIG. 7 is an enlarged plan view showing a state in which the path changing cam is placed in the first rear position by a member, and FIG. 7 is an enlarged view showing the path changing cam in a second position in the front. The plan view and FIG. 8 are bottom views of the carriage showing the cam arrangement corresponding to flat knitting. 1... Carriage, 37... Front clue, 38...
Back yarn opening, 41... Thread pressing member, 51... Front knitting needle, 52... Back knitting needle, C... Front knitting passage, D
... Rear formation passage.

Claims (1)

[Claims for Utility Model Registration] On the lower surface of the carriage, the butts of the knitting needles are advanced forward at the outer surface of the carriage, and
A pair of left and right knitting cams move the butts of the knitting needles backwards from the knockover position on the inside surface, and the butts of the rear knitting needles of the knitting needles, which are divided into two groups beforehand, are moved from the outside surface of one knitting cam to the other knitting cam. A rear knitting passageway that guides the butt of the front knitting needle to the inner side surface of the cam, and a front knitting passageway that guides the butt of the front knitting needle from the further front side of one knitting cam to the inner side surface of the other knitting cam, and the front side part of the carriage includes: a front yarn opening for supplying knitting yarn to the hook of the front knitting needle when the butt of the front knitting needle in the front knitting passage is retracted by the inner surface of the other knitting cam;
A through-hole stockinette fabric comprising a rear yarn opening that supplies other knitting yarn together with the knitting yarn of the front yarn opening to the hook when the butt of the rear knitting needle in the rear knitting passage is retreated by the inner surface of the other knitting cam. In a carriage for a hand knitting machine capable of knitting, the knitting yarns of the front and rear yarn ports are connected to the hooks of the rear knitting needles at a position on the lower surface of the front side of the carriage and approximately corresponding to the front of the knitting cam. a yarn pressing member that acts on the knitting yarn at the rear yarn opening from above to prevent the knitting yarn from floating when the yarn is supplied to the rear yarn opening; A carriage for a hand knitting machine capable of knitting through-hole stockinette knitting, characterized in that the device is arranged so as to be switchable between a non-acting position and a non-acting position where it does not act on the knitting yarn.