KR100495781B1 - Links and links circular knitting machine striper - Google Patents

Abstract

The present invention relates to a double-head circular knitting machine yarn conversion device, in which the thread supplied to the needle (needle) of the circular knitting machine in the slide block (5) in which the guide groove (10) is formed to be selectively introduced by a plurality of pneumatic lines through the yarn When the one of the plurality of sliders 50 receives an external force to be fixed to the locking member 40 so as to face the first resilient means 12 and the external force is applied to the other slider 50, the fixed slider 50 is locked. The fixing is released at 40 and the yarn is cut at the cutting means 55 so that the yarn supply is stopped, the other slider 50 is moved and fixed to the locking member 40, and the other yarn is penetrated by the cutting means 55. It is a yarn conversion device that is supplied to the needle by the pneumatic pressure passing through the ball (55a). This invention can obtain the effect that the yarn is smoothly switched without causing a failure compared to the conventional yarn converter.

Description

Double-head circular knitting machine yarn converter {Links and links circular knitting machine striper}

The present invention relates to a double head circular knitting machine yarn conversion device, and more particularly, to a double head circular knitting machine yarn conversion device in which the yarn supplied to the needle (needle) of the circular knitting machine is selectively introduced by a plurality of pneumatic lines through the yarn.

In general, the configuration for supplying the thread to the knitting needle of the circular knitting machine forms a plurality of needle grooves to extend side by side in the axial direction on the outer periphery of the cylinder, accommodates the knitting needles so as to slide freely in the vertical direction to each needle groove, and the knitting needles to face the cylinder The control or actuating cam is assembled to the cam holder, and when knitting, the sinker operating with the knitting needle is controlled by contact with the sinker dial assembled in the horizontal direction, and the inside of the cylinder has a plurality of yarn guides for guiding the thread to the knitting needle. The striper is assembled.

In the conventional jacquard circular knitting machine shown in FIGS. 1 and 2 of Patent Registration No. 319950, a striper is provided with a pair of solenoids for a sudden sand finger to determine the selection of an operating yarn guide, and an olicam is assembled at one end of the shaft end of the solenoid shaft. On the other side, the down cams are assembled, respectively, so that the up cams and the down cams are assembled to correspond to each other, so that the select members can be moved up and down through the select butts on the plurality of select members, so as to be the starting point of the yarn guide. In the lower part of the yarn guide, there is a separate cutting cam for operating the thread cutting device and the thread cutting device. A device for rotating the lifting cam, the lowering cam, and the cutting cam to rotate from the main shaft is assembled around the main shaft. there was.

However, in the electronic solenoid thread switching circular knitting machine as described above, the selection of the supply chamber is determined by the electronic solenoid, and the forward and backward movements of the yarn guide and the operation of the thread cutting device are applied to the cams, which are rotating cams, from the up cam, the down cam, and the cutting cam. Since the structure for the actual switching operation is a device that moves the electric signal to the solenoid and is mechanically very complicated, it is difficult to manufacture, frequent failures during knitting, and difficult to repair due to the failure. .

The present invention has been made to solve the above problems, by arranging a plurality of pneumatic lines for guiding the thread and applying the means to switch the yarn to be selectively knitted, mechanically simply manufactured, failure during knitting It is an object of the present invention to obtain a circular knitting machine yarn conversion device that can obtain mechanical durability that does not occur, and the repair according to the failure is quickly performed.

Double head circular knitting machine yarn conversion device according to the present invention for achieving the above object is formed with a plurality of straight guide grooves on the front, the passage is continuous to the guide groove is formed downward, the passage is opposed to the guide groove A slide block on which the first resilient means is installed;

A second resilient means attached to a lower surface of the guide groove and acting in a vertical direction;

A locking member hinged to a side of an upper portion of the upper portion of the guide groove, the lower surface of which is supported by the second resilient means and returned to the clockwise direction;

Received by the first resilient means from the guide groove of the slide block and receives an external force to slide against the first resilient means in the guide groove, and contracts the first resilient means and slides in the guide groove. A slider having a support means to be fixed to the locking member, a slider having a yarn passing through the yarn, and a cutting means for cutting the yarn from the yarn by sliding by the external force;

The captive pipe coupled to the slide block and the plurality of yarns individually pass through is combined, and a pneumatic block formed with a capillary to which pneumatic pressure is applied in accordance with the direction of the capillary tube is coupled, and a coupling means for coupling the pneumatic block. A rear block having a groove formed to seat the bottom surface of the slider;

The rear block is coupled with the cutting means of the slider therebetween, and a plurality of pneumatic blocks are attached to discharge the yarn passed through the sliders to the outside, and the plurality of linear grooves are slidably moved so that the cutting means of the slider is slid. A formed front block;

And a fixed block coupled to the rear surface of the slide block and fixed to the cylindrical double head circular knitting machine.

In addition, in the present invention, the slider is a guide plate formed with protrusions constituting the support means, the lower end of the guide plate is inserted into the hinge hinge to have an angle and the upper and lower parts are coupled to the male and female screws to adjust the length It is preferable that the adjustment member and the cutting means hinged to the lower portion of the adjustment member.

In addition, in the present invention, the protrusions of the guide plate material, which is the support means of the slider, are formed on the first protrusion and the lower part of the first protrusion to receive the external force to lift and rotate the locking plate material. It is preferable that it consists of a 2nd protrusion part and the 3rd protrusion part for being supported by the 1st elastic means in the lowest part.

In addition, in the present invention, the cutting means is a through cutter is formed so that the yarn passed through the yarn of the rear block is attached to the blade for cutting the yarn is a sliding cutter in the linear groove formed in the front block And a fixed cutter which is coupled to an upper surface of the movable cutter by a screw penetrating the movable cutter and is fixed to a straight groove of the front block and has an inclined blade formed at an lower end thereof to face the blade and sliding the upper surface of the blade; The panel is mounted to the groove of the block is coupled to the rear of the movable cutter by the screw and the movable cutter is made of an elastic panel for elastically supporting the lower surface of the movable cutter so as to slide in close contact with the linear groove. Double head circular knitting machine yarn converter.

In addition, in the present invention, the pneumatic block is attached to the body in which the air inlet is introduced and the opening is formed, the flow path through which the air introduced from the inlet is inserted and coupled with a sealing member on one side of the body The yarn is formed by the yarn passing through the yarn and the thread is formed on the outer circumference, and the sealing member on the other side of the body is connected to the yarn of the pipe and screwed together, and the yarn is externally driven by the frictional force of air introduced from the flow path. It is preferable that the discharge pipe is formed with a slope to move to.

In addition, in the present invention, the coupling means of the pneumatic block is formed with a coupling hole in the lower portion so that the tubular body is inserted, the screw is coupled through the upper surface to press the outer peripheral surface of the inserted tubular body and the coupling hole is formed in the upper It is preferable that a thread is formed at one side so that the block is inserted into the coupling hole and fixed by bolts at both sides of the coupling block, and the other side is formed of a round bar screwed to the rear block.

In addition, in the present invention, the first resilient means is preferably composed of a spring is inserted into the passage, and the support is formed with a straight groove is inserted into the spring to support the third projection.

In addition, in the present invention, the second resilient means is screwed through the upper portion of the slider block and the inner space is formed, a spring installed in the inner space of the support, and inserted into the spring It is preferable that the support rod is in contact with the engaging plate member.

In addition, in the present invention, it is preferable that the fixing panel is coupled to the upper surface of the slider block so that the slider is not separated from the guide groove.

In addition, in the present invention, the locking plate is hinged to the axial hole of the side panel screwed to both sides of the slider block, the lower portion is bent to securely fixed to the vertical surface of the first projection and the acute edge is at the end It is preferably formed.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4, both ends of the circular knitting machine yarn conversion device according to the present invention for achieving the object shown in Figure 1 is formed with a plurality of linear guide grooves 10 on the front, the guide groove 10 is continuous downward A through passage 20 is formed. The passage 20 has a slide block 5 on which the first resilient means 12 facing the guide groove 10 is installed, and a lower portion on which the guide groove 10 is formed. The second elastic means 15 attached to the surface and acting in the vertical direction, is hinged to the side of the upper portion where the guide groove 10 is started, the lower surface is supported by the second elastic means 15 is clockwise It comprises a locking member 40 to be returned to.

In addition, the first resilient means receives an external force to be returned by the first resilient means in the guide groove 10 of the slide block 5 and to be slid in the guide groove 10 to face the first resilient means. A support means is formed to contract the 12 and slide in the guide groove 10 to be fixed to the locking member 40, and a through hole 55a through which a yarn passes is formed at the lower portion of the guide hole 55a. And a slider 50 having a cutting means 55 so that the yarn passing through) is cut in the through hole 55a by the sliding motion by the external force.

Then, the captive pipe (70) coupled to the slide block (5) and the plurality of yarns individually passing through is combined, and a pneumatic pressure (45) is formed in which a pneumatic pressure is applied to match the direction of the captive pipe (70). Block 65 is coupled, has a coupling means for coupling the pneumatic block 65, the rear block 60 is formed with a groove 75 so that the lower surface of the slider 50, and the rear block 60 and a plurality of pneumatic blocks 65 are coupled with the cutting means 55 of the slider 50 interposed therebetween for discharging the yarn which has passed through the through hole 55a of the slider 50 to the outside. And a front block 90 having a plurality of straight grooves 85 formed to slide the cutting means 55 of the slider 50 and a rear surface of the slide block 5 to be fixed to a cylindrical double head circular knitting machine. Block 150.

The slider 50 has a guide plate member 52 formed with protrusions forming the supporting means, a lower end portion of the guide plate member 52 is hinged to have an angle, and the upper and lower portions of the guide screw member 53a are adjusted to have a length. The adjusting member 53 is coupled to the female screw 53b, and the cutting means 55 is hinged to the lower portion of the adjusting member 53.

Protrusions of the guide plate material 52, which is a supporting means of the slider 50, are formed on the first protrusion part 52a and the lower part of the first protrusion part 52a formed thereon in order to lift and rotate the locking plate material 40. And a second protrusion 52b for receiving an external force and a third protrusion 52c for being supported by the first elastic means 12 at the bottom thereof.

The locking member 40 is hinged to the shaft hole 210a of the side panel 210 screwed to both sides of the slider block 5, to be firmly fixed to the vertical surface 52d of the first protrusion 52a. The lower part is bent and the edge is formed with an acute corner 210b.

That is, since one surface of the first protrusion 52a which is in contact with the locking member 40 is vertical and the other surface is inclined, the slider 50 faces the first elastic means 12 so that the guide groove ( When sliding along 10), an edge 210b is formed at the end of the locking member 40 such that the entire slider 50 presses the first elastic means 12 and is caught and fixed to the locking member 40. It is formed to firmly support the vertical surface of the first projection (52a). In addition, the inner side of the locking member 40 to form an inclined surface in the same direction as the inclined surface of the first projection (52a) so that the slider 50 can easily exit from the inner side of the locking member 40 by an external force. When the edge 210b of the locking member 40 is lifted away from the first protrusion 52a, the edge 210b slides freely from the upper portion of the first protrusion 52a. An upper portion of the vertical surface 52d of the protrusion 52a forms a bent downward sloped surface.

In addition, the second protrusion 52b is formed in the same direction as the first protrusion 52a and has a sawtooth shape capable of receiving an external force, and a third protrusion 52c for supporting the first elastic means 12. ) Slides in the guide groove 10 and is formed in the direction opposite to the first protrusion 52a in the guide plate 52.

The cutting means 55 has a through hole 55a of the yarn that has passed through the slant 45 of the rear block 60, and a blade 55b for cutting the yarn passing through the through hole 55a. The moving cutter 56 is attached to the linear groove 85 formed in the front block 90 and is slid. The movable cutter 56 is fixed to the linear groove 85 of the front block 90. It is coupled to the upper surface by a screw 57a penetrating through the fixed cutter 57 formed with an inclined blade 57c facing the blade 55b and relatively sliding the upper surface of the blade 55b, and the screw ( 57a) coupled to the rear surface of the movable cutter 56 and seated in the groove 75 of the rear block 60 so that the movable cutter 56 has a straight groove 85 of the front block 90. It consists of an elastic panel 59 for elastically supporting the moving cutter 56 perpendicular to the moving direction so as to be in close contact and sliding movement.

The pneumatic block 65 is inserted into the body 66 is formed with an inlet (65a) through which air is introduced and the opening (66a) and a sealing member (66b) on one side of the body 66 is inserted into the A flow path 67a through which air introduced from the inlet 65a passes is formed, and a yarn 45 through which yarn is formed is formed, and a tubular body 67 having a thread 67b formed on an outer circumference thereof, and a sealing member (on the other side of the body). 66b) to the discharge pipe 68 is formed with a thread 45 is screwed while being connected to the thread 45 of the tubular body 67 and the yarn is moved to the outside by the frictional force of the air introduced from the flow path (67a) Is done.

Coupling means 160 of the pneumatic block 65 has a coupling hole 162a is formed in the lower portion so that the tubular body 67 is inserted, the screw 162b is the upper surface to press the outer peripheral surface of the tubular body 67 is inserted The coupling block 162 is penetrated in the coupling and formed in the upper coupling hole 162a, and a screw thread is formed at one side to be inserted into the coupling hole and fixed by bolts 165a at both sides of the coupling block 162. The other side is composed of a round bar 165 screwed to the rear block.

The first resilient means 12 is a supporter 182 having a spring 180 inserted into the passage 20 and a straight groove 182a inserted into the spring 180 to support the third protrusion 52c. )

The second resilient means 15 is screwed through the upper portion of the slider block 5, the support 190 is formed in the inner space, the spring 191 is installed in the inner space of the support 190, The support rod 192 is inserted into the spring 191 and is in contact with the locking plate 40.

The fixing panel 200 is coupled to the upper surface of the slider block 5 so that the slider 50 is not separated from the guide groove 10.

The conversion process of the yarn supplied to the needle of the circular knitting machine according to the present invention configured as described above is shown in the operation diagram of Figs. The yarns passing through the silo 45 of the pneumatic block 65 coupled to the rear block 60 pass through the capillary tube 70 of the rear block 60 and are formed in the moving cutter 56 of the slider 50. After passing through (55a) it is to be caught by the needle to move up and down of the circular knitting machine again passing through the slope 45 of the pneumatic block (65) coupled to the front block (90).

As described above, in order for the yarn to pass through the through hole 55a of the slider 50, an external force is applied to the second protrusion 52b formed in the guide plate 52 of the slider 50 by a mechanism such as a cam, thereby providing the guide plate 52. ) Presses the first resilient means 12 along the guide groove 10 and is slidably moved.

When the guide plate 52 is slid, the first protrusion 52a pushes the lower surface on which the edge 210b of the locking member 40 is formed, and the locking member 40 is the first protrusion 52a. It is raised along the inclined surface of and rotates while pressing the second elastic means (15). When an external force is continuously applied such that the upper end of the first protrusion 52a passes the edge 210b of the locking member, the vertical surface 52d of the first protrusion 52a is supported by the lower edge 210b of the locking member. The slider 50 is in a fixed state.

At the same time, the mechanism element connected to the adjusting member 53 by the linear motion of the guide plate 52 and receiving the external force is the moving cutter 56 of the cutting means 55. In addition, the screw 57a for penetrating the fixing cutter 57 on the upper surface and the elastic panel 59 on the lower surface and the nut 57b for fixing the screw 57a on the upper surface of the fixing cutter 57 ) Is inserted into and fixed to the bottom surface of the groove 75 of the rear block 60 to which the straight groove 85 and the elastic panel 59 of the front block 90 are fitted.

Since the fixed cutter 57 and the elastic panel 59 are fixed to the linear grooves 85 and the grooves 75 by the nuts 57b, respectively, with the movable cutter 56 therebetween, the guide plate material 52 The moving cutter 56 is linearly moved downwardly along the straight groove of the front block 90 between the fixed cutter 57 and the elastic panel 85 by the linear motion of.

In the initial stage, the through hole 55a formed in the movable cutter 56 was blocked by the fixed cutter 57 and the elastic panel 85. However, the through hole 55a moved linearly by the movable cutter 56. 55a is separated between the fixed cutter 57 and the elastic panel 85 so as to communicate with the capillary tube 70 coupled to the rear block 60, and is also connected to the capillary 45 formed on the front block 90. do.

In this state, high-pressure gas is introduced through the inlet port 65a of the pneumatic block 65 coupled to the rear block 60 and the pneumatic block 65 coupled to the front block 90 and discharged to the discharge pipe 68. do. When the gas is discharged, the pressure is lower than the atmospheric pressure inside the body 66 of the pneumatic block 65 so that the gas is introduced through the tubular body 67, and the yarn with the air exiting the outlet tube 68 through the tubular body 67. The friction force is supplied to the needle through the pneumatic block 65 of the front block 90 through the through hole 55a of the movable cutter 56. The pneumatic block 65 coupled to the rear block 60 serves to push the yarn, and the pneumatic block 65 coupled to the front block 90 serves to pull the yarn.

In this process, the yarn is supplied to the needle, and in order to switch the yarn to supply another yarn, the yarn is to be cut and supplied to the first protrusion 52a of the other slider 50 into which the yarn to be supplied is introduced. The gas may be supplied to the pneumatic block 65 by applying an external force. When an external force is applied to the first protrusion 52a of the other slider 50, the catching member 40 is rotated again and the slider 50, which is supplying the initial yarn, has the first protrusion 52a of the catching member 40. Since it is separated from the), it is rapidly returned upward by the elastic force of the first elastic means (12). That is, when the first protrusion 52a of the slider 50 supplying the initial yarn is rapidly returned to the inner side of the locking member 40, the first protrusion 52a of the slider 50 to supply the yarn is locked. (40) will be caught.

At this time, the process of the cutting means 55 of the slider 50 supplying the initial yarn is fixed while cutting the yarn as follows. The yarn was passing through the through hole 55a, and the support cutter 56 is elastic with the fixed cutter 57 while the support for the locking member 40 of the slider 50 is released by the first resilient means 12. It slides toward the adjusting member 53 with the panel 59 interposed therebetween. On the other hand, the moving cutter 56 of the slider 50 is attached to the blade 55b toward the adjustment member 53 in a shape that matches the inner circumferential surface of the through hole 55a. In addition, the inclined blade (57c) formed on the lower surface of the fixed cutter 57 is opposed to the blade (55b) of the moving cutter 56, the blade of the moving cutter 56 by the return movement of the slider (50). 55b passes through the inclined blade 57c of the fixed cutter 57.

As a result, when the slider 50 is completely returned past the locking member 40, the yarn that has passed through the through hole 55a is cut by the blade 55b and the inclined blade 57c, and the rear block 60 is disposed on the rear block 60 side. The yarn that was supplied was trapped between the elastic panel 59 and the movable cutter 56 while being trapped in the through hole 55a of the movable cutter 56 while passing through the captive tube 70 of the pneumatic block 65. do.

As described above, the yarn is fixed to the cutting means 55 of the slider 50, and another yarn is a through-hole 55a of the other slider 50 fixed to the adjusting member 53. At 70, the yarn is introduced by pneumatic pressure, and the yarn injected into the through hole 55a is supplied to the needle through the pneumatic block 65 coupled to the front block 90 by pneumatic pressure.

As described above, when an external force is selectively applied to the first protrusions 52a of the plurality of sliders 50, and pneumatic pressure is applied to the pneumatic blocks 65 connected to the sliders 50, the yarn is switched.

As described above, the present invention can be simply manufactured mechanically by applying a means for arranging a plurality of pneumatic lines to guide the yarn and the conversion of the yarn to be knitted selectively, the machine does not cause a failure during knitting Endurance can be obtained, and repairs due to failures can be obtained quickly.

In the above description, the present invention has been described with reference to only one preferred embodiment, but it is apparent to those skilled in the art that various modifications and changes are possible within the scope of the present invention based on the above embodiments. It is natural that the claims belong.

1 is a perspective view of a double head circular knitting machine yarn conversion apparatus according to the present invention.

Figure 2 is an exploded perspective view of a double head circular knitting machine yarn conversion apparatus according to the present invention.

Figure 3 is a perspective view of the slider of the double head circular knitting machine yarn conversion apparatus according to the present invention.

Figure 4 is an exploded perspective view of the pneumatic block of the double head circular knitting machine yarn conversion apparatus according to the present invention.

5 is a first operation perspective view showing that the yarn is supplied by the double head circular knitting machine yarn conversion apparatus according to the present invention.

6 is a perspective view of the front block is opened in the first operation perspective view of the double head circular knitting machine yarn conversion apparatus according to the present invention.

FIG. 7 is a perspective view in which a front block is opened as a second operation diagram showing that one of two sliders is released and the other is fixed to a locking member of the double head circular knitting machine yarn conversion device according to the present invention.

8 is a perspective view of the front block opened as a third operation diagram showing that the yarn supplied from the cutting means of the double head circular knitting machine yarn conversion device according to the present invention is cut and the yarn to be supplied passes through the through hole.

** Description of the symbols for the main parts of the drawings **

 5: slide block 10: guide groove 12: first resilient means

20: passage 15: second elastic means 40: locking member

45: cap 55: cutting means 52: guide plate

52a: first protrusion 52b: second protrusion 52c: third protrusion

52d: vertical surface 52: adjustment member 53a: male thread

53b: female thread 55: cutting means 55a: through hole

55b: blade 56: moving cutter 57: fixed cutter

57a: screw 57c: bevel blade 59: elastic panel

60: rear block 65: pneumatic block 65a: inlet

66: body 66a: opening 66b: sealing member

67: tube 67a: Euro 67b: thread

68: discharge pipe 70: capillary 75: groove

85: straight groove 90: front block 160: coupling means

162a: coupling hole 162b: screw 165: round bar

165a: bolt 180, 191: spring 182: supporter

182a: straight groove 190: support 192: support rod

200: fixing plate 210: side panel 210a: shaft hole

210b: corner

Claims (10)

A plurality of linear guide grooves 10 are formed on the front surface thereof, and a passage 20 penetrating downward is formed continuously to the guide groove 10, and the passages 20 face the guide grooves 10. A slide block 5 on which the first resilient means 12 is installed; A second resilient means attached to a lower surface of the guide groove 10 and acting in a vertical direction; A catching member 40 hinged to a side of an upper portion at which the guide groove 10 starts, the lower surface of which is supported by the second resilient means 15 and returned clockwise; The first elastic means is retracted by the first resilient means in the guide groove 10 of the slide block 5 and is subjected to an external force so as to slide in a direction opposite to the first resilient means in the guide groove 10. And the sliding means is moved in the guide groove 10 is formed so that the support means to be fixed to the locking member 40, the yarn 45 passing through the yarn is formed at the top of the yarn passed through the yarn 45 to the external force A slider (50) having cutting means (55) so as to be cut in the cap (45) by a sliding motion by the roller; The pneumatic block is coupled to the slide block (5) and the captive pipe (70) through which a plurality of yarns individually pass through, and the captive (45) to which pneumatic pressure is applied in accordance with the direction of the captive pipe (70) is formed ( A rear block 60 having a coupling unit 65 coupled thereto, a coupling unit for engaging the pneumatic block 65, and a groove 75 formed to seat the bottom surface of the slider 50; A plurality of pneumatic blocks 65 coupled to the rear block 60 and the cutting means 55 of the slider 50 therebetween for discharging the yarns passing through the slits 45 of the slider 50 to the outside. A front block 90 having a plurality of linear grooves 85 formed thereon so that the cutting means 55 of the slider 50 slides; A fixed block 150 coupled to a rear surface of the slide block 5 and fixed to a cylindrical double head circular knitting machine; Double head circular knitting machine yarn conversion device comprising a. According to claim 1, The slider 50 is a guide plate member 52 is formed with protrusions forming the support means, the lower end of the guide plate member 52 is hinged to have an angle and the upper and lower parts to be adjusted in length The double head circular knitting machine yarn conversion, characterized in that consisting of the adjusting member 53 is coupled to the male screw (53a) and female screw (53b), and the cutting means 55 hinged to the lower portion of the adjusting member (53). Device. 3. The protrusions of the guide plate material 52, which is the support means of the slider, are provided with a first protrusion 52a formed thereon to lift and rotate the locking plate 40, and the first protrusions 52a. The two head circular knitting machine yarn conversion device, characterized in that it is formed below the second projection (52b) for receiving an external force, and the third projection (52c) for being supported by the first elastic means at the bottom. According to claim 1 or claim 2, The cutting means 55 is a through hole (55a) is formed so that the yarn passed through the yarn 45 of the rear block 60 and a blade for cutting the yarn ( 55b) is attached and coupled to the upper surface of the movable cutter 56 by a movable cutter 56 sliding in a straight groove 85 formed in the front block 90 and a screw 57a penetrating the movable cutter. And a fixed cutter 57 formed with an inclined blade 57c for sliding the upper surface of the blade 55b while facing the blade 55b and fixed to the straight groove 85 of the front block 90. It is seated in the groove 75 of the rear block 60 is coupled to the rear surface of the movable cutter 56 by the screw (57a) and the movable cutter 56 is in close contact with the linear groove (85) to slide The double head circular piece, characterized in that consisting of an elastic panel 59 for elastically supporting the lower surface of the moving cutter 56 Yarn converter. According to claim 1, The pneumatic block (65) is attached to the inlet (65a) through which air is introduced, the body 66 formed with an opening (66a), and the sealing member (66b) on one side of the body (66) And a conduit (67) formed with a thread (67b) formed on the outer periphery of the passage (67a) is formed and the yarn passing through the yarn is formed through the inlet (65a) is passed through the inlet (65a) is formed; With a sealing member (66b) on the other side connected to the thread 45 of the tubular 67 is screwed and the yarn 45 is moved to the outside by the frictional force of the air introduced from the flow path (67a) The double head circular knitting machine yarn conversion device, characterized in that consisting of a discharge pipe (68) formed. According to claim 1, The coupling means 160 of the pneumatic block 65 is a coupling hole 162a is formed in the lower portion so that the tube 67 is inserted, so as to press the outer peripheral surface of the tube 67 is inserted A screw 162b penetrates through the upper surface and is coupled to the coupling block 162 in which a coupling hole 162a is formed, and is inserted into the coupling hole to be fixed by bolts 165a on both sides of the coupling block 162. The two-sided circular knitting machine yarn conversion device, characterized in that the thread is formed on one side and the other side is made of a round bar 165 screwed to the rear block. The method of claim 1, wherein the first resilient means 12 is a spring 180 is inserted into the passage 20, and the straight groove 182a is inserted into the spring 180 to support the third projection (52c) The double head circular knitting machine yarn conversion device, characterized in that consisting of a supporter 182 is formed. According to claim 1, wherein the second resilient means 15 is screwed through the upper portion of the slider block 5 and is formed in the inner space of the support 190 and the inner space of the support 190 is installed The double head circular knitting machine yarn conversion device, characterized in that consisting of a spring (191), the support rod 192 is inserted into the spring (191) in contact with the engaging plate member (40). The two-head circular knitting machine yarn conversion apparatus according to claim 1, wherein a fixed panel (200) is coupled to an upper surface of the slider block (5) so that the slider (50) does not leave the guide groove (10). According to claim 1, The engaging member 40 is hinged to the shaft hole (210a) of the side panel 210 screwed to both sides of the slider block 5, the vertical surface 52d of the first projection (52a) In order to be firmly fixed to the lower portion is bent and the edge is an acute corner (210b) is formed in the bean circular knitting machine yarn conversion device, characterized in that.