KR100461529B1 - Electronic automatic striping unit of jacquard circular knitting machine - Google Patents

Abstract

The present invention relates to an electronic automatic striping device of a jacquard circular knitting machine which improves the finger to perform the operation accurately without malfunction and prevents the damage of the finger due to the malfunction and structurally reduces the loss of the fabric during the yarn exchange. .

The present invention is an actuator (1), box cover (2), cutter holder (3), thread holder (4), finger (5), box block (6), front cover of the box (7), spring (S), finger An electronic automatic striping device composed of cams (8) and (9) for supplying a thread to a knitting needle by moving back and forth of a finger (5), wherein the finger is disposed horizontally rotatably on an upper portion of the finger (5) during a set operation. Finger presser (10) for pressing down (5); A link 20 disposed vertically rotatably on top of the finger depressor 10 to operate the finger depressor 10 during a set operation; A link clamp block 30 installed at an inner upper portion of the box cover 2 and having a plurality of clamp guide holes 31 diagonally; It is assembled to move back and forth to the chuck guide hole 31 of the link chuck block 30 is operated by the set finger (1a) and the reset finger (1b) of the actuator (1) to operate the link 20 And a link gland 40 for the set motion and a link gland 50 for the reset motion.

Description

ELECTRONIC AUTOMATIC STRIPING UNIT OF JACQUARD CIRCULAR KNITTING MACHINE}

The present invention relates to a striping device of a jacqard circular knitting machine, and more particularly, to improve the structure so that the finger can perform the operation accurately without malfunction, and also prevent the damage of the finger due to the malfunction, and also the structural The present invention relates to an electronic automatic striping device of a jacquard circular knitting machine so as to reduce the loss of fabric during thread exchange.

Generally, in the jacquard circular knitting machine, the conventional striping device for supplying the color thread is made of a pure mechanical structure. The conventional striping device is composed of a selection drum and a plurality of color yarn supply fingers, and a plurality of pin insertion holes are formed on the outer peripheral surface of the selection drum. The pin is inserted into any one of these pin insertion holes to select or switch the color yarn supply finger to supply a specific color yarn.

However, the conventional mechanical automatic striping device is not suitable for knitting various patterns because the range of selecting the color yarn is limited because the pin insertion hole formed in the selection drum is limited, and is inserted into the pin insertion hole of the selection drum to change the knitting pattern. It was complicated, cumbersome and laborious to remove the pins and insert them into other pin insertion holes.

In addition, the conventional mechanical automatic striping device has a problem that frequently occurs because of the purely mechanical structure as described above, in particular, the jacquard circular knitting machine using the mechanical automatic striping device has a problem that overall production efficiency is reduced.

Therefore, in order to solve the above problems of the conventional mechanical automatic striping apparatus, the conventional selection drum is replaced with an electronic selection box driven by an actuator according to a signal of a program input to a computer, and the machine of a color yarn supply finger An electronic automatic striping device has been provided that can cope with color shift conversion device and butt cam which simplify the operation configuration and increase production efficiency in patterning and changing.

The electronic automatic striping device is configured so that the finger of the electronic selection box is operated by an actuator according to a signal of a computer program input to advance one of the plurality of color yarn supply plates of the color yarn conversion device to supply the yarn to the knitting needle to knit. Because of this, it is easy to change the knitting pattern, and the knitting of various patterns is possible, so that high-speed knitting is possible, and the failure rate is also significantly reduced. Overall, the production efficiency is significantly improved compared to the conventional mechanical automatic striping device. have.

In such an electronic automatic striping device, since the finger is operated by the actuator, the operating time of the finger must be made accurately.

However, the conventional electronic automatic striping device has a problem that the finger is broken due to the structural failure of the finger operation time. That is, in the conventional electronic automatic striping device, since the actuator directly operated the finger, the finger was easily damaged due to the delay of the operation time of the finger or the malfunction of the finger that is quickly operated.

In addition, the conventional electronic automatic striping device has a problem that the loss of the fabric when the yarn is replaced due to the structural defects.

An object of the present invention is to devise to solve the conventional drawbacks as described above, to improve the structure so that the finger can perform the operation accurately without malfunction, to prevent damage of the finger due to malfunction, and also structurally It is to provide an electronic automatic striping device of a jacquard circular knitting machine to reduce the loss of fabric during exchange.

In order to achieve the above object, the present invention provides a rotatable horizontally installing a finger chuck to press the finger downward in the set operation on the top of the finger, and a link for operating the finger chuck in the set operation on the top of the finger chuck. Rotate vertically and install a link clamp block formed with a plurality of clamp guide holes diagonally on the inner upper portion of the box cover, the set finger and the reset finger of the actuator in the clamp guide hole of the link clamp block And a plurality of set motion link presses for activating the link and the link motions for reset motion are respectively installed so as to be movable back and forth.

1 is a perspective view of the present invention.

2 is an exploded perspective view of the present invention.

Figure 3 is an exploded perspective view of the main portion of the present invention.

Figure 4a, 4b, 4c, 4d is an operating state of the present invention.

<Code Description of Main Parts of Drawing>

1: Actuator 1a: Set finger

1b: reset finger 2: box cover

3: cutter holder 4: thread holder

5: finger 6: box block

7: Front cover of box 8,9: Finger cam

10: finger press 20: link

30: link pressing block 31: pressing guide

40: link press for set motion

50: link press for reset motion

Hereinafter, the technical configuration of the present invention according to the accompanying drawings in detail.

1 to 4D, the actuator 1, the box cover 2, the cutter holder 3, the thread catch 4, the finger 5, the box block 6, and the front of the box, as shown in FIGS. An electronic automatic striping device comprising a cover (7), a spring (S), and a finger cam (8) (9) to supply a thread to a knitting needle by moving back and forth of the finger (5), wherein the upper portion of the finger (5) is provided. A finger detent 10, which is rotatably disposed in the horizontal direction and presses the finger 5 downward during the set operation; A link 20 disposed vertically rotatably on top of the finger depressor 10 to operate the finger depressor 10 during a set operation; A link clamp block 30 installed at an inner upper portion of the box cover 2 and having a plurality of clamp guide holes 31 diagonally; Assembled so as to be movable back and forth to the chuck guide hole 31 of the link chuck block 30 is operated by the set finger (1a) and the reset finger (1b) of the actuator (1) to operate the link 20 It is characterized by the technical configuration of the link motion including the set-link linkage 40 and the reset motion linkage (50).

Here, the actuator (1) is operated in accordance with the signal input to the computer attached to the drive plate of the rotating needle cylinder, the actuator (1) a plurality of each to operate the link clamps (40) (50), respectively Two set fingers 1a and reset fingers 1b are provided.

A plurality of cutter holders 3, a thread catcher 4, and a finger 5 are disposed between the left and right box covers 2, and the fingers 5 advance and retreat between the cutter holders 3 and the colored yarn. It is installed to supply. At this time, the box block 6 is installed at the upper left and right side of the box cover 2, and the box front cover 7 is installed at the front of the box cover 2.

The finger 5 is formed with a guide hole 5a fitted to the guide pin P and a color yarn supply port 5b for supplying the yarn, and contacting the finger depress 10 at the upper portion of the finger 5. The pressing protrusion 5c is protruded.

The spring (S) is installed in the lower portion of the finger (5), this spring (S) has an elastic force to always push the finger (5) upwards.

The cutter holder 3 serves to break a thread, and a thread holder 4 for holding a thread is installed between the cutter holders 3 to move back and forth. At this time, the thread catcher 4 catches and fixes one end of the colored yarn to be supplied, and the cutter holder 3 cuts the colored yarn when the supply of the colored yarn stops supplying the colored yarn to the knitting needle while the finger 5 retreats. .

The finger cams (8) and (9) are to move the fingers 5 forward and backward respectively while rotating as is known, such a finger cam (8) (9) has a track so as to move the fingers (5) back and forth, respectively Is formed. At this time, the finger cam 8 serves to move the finger 5 forward, the finger cam 9 serves to move the finger 5 moved forward to the rear again.

The finger depressor 10 is horizontally rotatably disposed on the upper part of the finger 5 to press the finger 5 downward during the set operation. Such a finger depressor 10 has one end thereof with a shaft pin 11. Is disposed horizontally rotatably in the cutter holder (3) through, the inclined surface 12 is formed in contact with the lower end of the link 20 in the center upper portion of the finger pressing (10). At this time, the finger chuck 10 serves to press the finger 5 downward so that the finger 5 can move forward by the finger cam (8).

The link 20 is rotatably disposed vertically on top of the finger depressor 10 to operate the finger depressor 10 during the set operation. Such a link 20 has a central pin 21 at the center thereof. It is disposed perpendicularly to the cutter holder (3) through. At this time, the link 20 converts the linear motion of the link clamp 40 and 50 into a rotational motion so that the finger clamp 10 serves as a support for initializing the finger 5 and serves as an intermediate medium.

The link clamp block 30 is installed on the inner upper side of the left and right box cover 2 and has a plurality of clamp guide holes 31 diagonally, such a link clamp block 30 is a link clamp 40 Guides the forward and backward movement of the 50.

The set motion link chucks 40 are assembled to move back and forth to the chuck guide holes 31 of the link chuck block 30, respectively, and are operated by the set finger 1a of the actuator 1 and link 20. In this way, the plurality of link motions for the set motion 40 is in contact with the upper portion of the link 20 is operated during the set operation. At this time, the link chuck 40 for the set motion receives the rotational power of the actuator (1) set finger (1a) directly and transmits power to the link 20 to set the finger (5) to set the operation. Perform.

The link motion chucks 50 for the reset motion are assembled so as to be movable back and forth to the chuck guide holes 31 of the link chuck block 30 and operated by the reset finger 1b of the actuator 1, and thus the link 20 In this case, the plurality of link presses 50 for the reset motion are brought into contact with the lower part of the link 20 to be operated during the reset operation. In this case, the link presser 50 for the reset motion receives the rotational power of the actuator 1 reset finger 1b and transmits power to the link 20 to set the finger 5 to perform a reset operation. Perform.

When described in detail according to the accompanying drawings the overall operating relationship of the present invention configured as follows.

4A illustrates an initial state in which the set finger 1a of the actuator 1 is not operated. In this case, as shown in the drawing, the set finger 1a does not operate the link clamp 40 for the set motion. Since the finger 5 is maintained in a raised state by the spring (S).

4B shows a state in which the set finger 1a of the actuator 1 is operated by a signal from a computer. In this case, as shown in FIG. 4B, the link clamp 40 for the set motion is driven by the rotational power of the set finger 1a. Advances forward to push the top of the link 20 to rotate the link 20 clockwise, and in conjunction with this link 20 rotates along the inclined surface 12 to rotate the finger depressor 10 counterclockwise. As a result, the finger depressor 10 presses the pusher 5c as a result and the finger 5 is lowered while compressing the spring S. At this time, the finger 5 is lowered is fitted to the track of the finger cam (8).

4c shows a state in which the finger 5 is moved forward by the finger cam 8, in which case the finger cam 8 is rotated to push the finger 5 forward as shown in FIG. 5) is advanced forward in the state slightly raised by the spring (S) along the guide hole (5a) fitted to the guide pin (P), whereby the color thread is supplied to the knitting needles.

4D shows a reset operation state by the reset finger 1b of the actuator 1 after the color chamber is supplied. After the finger 5 moves forward to supply the color chamber, the actuator 1 is operated according to a signal of a computer program. Of the reset finger 1b is operated to push the link motion chuck 50 for the reset motion forward, thereby pushing the link 20 down by pushing the lower portion of the link 20 while the reset motion link chuck 50 moves forward. It rotates counterclockwise, and in conjunction with this, the link 20 rotates along the inclined surface 12, so that the finger depress 10 is restored to its original state. Thereafter, the finger 5 is moved to the rear by the finger cam 9 again as shown in FIG. 4A and set in the set operation.

Therefore, the electronic automatic striping apparatus of the present invention operated as described above has the set reset operation of the link clamp 40, 50, the link 20 and the finger clamp 10 by the actuator 1 as described above. It is precisely made, and thereby the structural forward and backward operation time of the finger 5 is accurately made, there is an advantage that can prevent the breakage of the finger 5 due to malfunction.

In addition, in the present invention, since the back and forth operation of the finger 5 is precisely made by the link clamp 40, 50, the link 20, and the finger clamp 10 which are structurally interlocked, the loss of the fabric at the time of thread replacement is reduced. There is an advantage to reduce.

As described above, the electronic automatic striping device of the jacquard circular knitting machine of the present invention is improved in structure so that the finger can operate accurately without a malfunction, and thus prevents the finger from being damaged due to a malfunction. Very useful invention patent that can reduce the loss of fabric.

Claims (1)

Actuator (1), box cover (2), cutter holder (3), thread holder (4), finger (5), box block (6), box front cover (7), spring (S), finger cam (8) In the electronic automatic striping device consisting of a (9) to supply a thread to the knitting needle by moving back and forth of the finger (5), A finger chuck 10 disposed rotatably horizontally on an upper portion of the finger 5 to press the finger 5 downward in a set operation; A link 20 disposed vertically rotatably on top of the finger depressor 10 to operate the finger depressor 10 during a set operation; A link clamp block 30 installed at an inner upper portion of the box cover 2 and having a plurality of clamp guide holes 31 diagonally; Assembled so as to be movable back and forth in the chuck guide hole 31 of the link chuck block 30 is operated by the set finger (1a) and the reset finger (1b) of the actuator (1) to operate the link 20 An electronic automatic striping apparatus for a jacquard circular knitting machine comprising a link motion clamp (40) for a set motion and a link clamp (50) for a reset motion.