KR20030094186A - File cutting device for file ciroular kneeting machine - Google Patents

Abstract

PURPOSE: Provided is a pile cutter which concisely cuts the loop pile of the fabric knitted by a circular knitting machine to make the printing roller conduct the moisture absorbing and supplying easily, thereby enhancing the printing quality. CONSTITUTION: The circular knitting machine comprises a base(32); a cylinder(33) installed at the base with a guide(34); and a needle cam(36) for elevating knit needles(35) fitted within the cylinder to form loop piles. The pile cutter for the circular knitting machine comprises a knife holder(43) installed at the base; knife grooves(44) radially formed at the top of the knife holder as many as the knit needles(35); knifes(46) fitted into the grooves each with a front intruding protrusion(47), an inclined blade(48) formed at the rear of the protrusion, a knife body(49) formed at the rear of the blade, and an operating protrusion(50) formed at the rear of the knife body upwardly; a knife holder cover(51) covering the knife holder with a knife cam groove(52) for receiving the operating protrusion of the knife such that the knife cuts the loop pile; and a loop clamp(60) installed directly under the knife to clamp the loop pile.

Description

File cutting device for file ciroular kneeting machine}

The present invention relates to a file cutting device for a circular knitting machine, and more particularly, to a cutting device for cutting a file of the surface of the fabric woven in the form of a round bar (core or bore) using a circular knitting machine.

In general, there are various kinds of fabrics that are woven by using circular knitting machines, such as clothes, socks, toys, etc., but are also fabricated as humidifying paper cloth coupled to the water roller of the offset printing press.

Humidity forge is coupled to the water roller of the offset printing machine as described above is to enable the multi-color printing by uniformly depositing the water (water) on the printing roller.

Looking at the woven fabric of the round bar type that is woven into the circular knitting machine as described above as follows.

It is configured to form a large number of loops (2, 3) at an appropriate length to the outside of the base loop (1) provided to have a suitable diameter (D), such a round bar-shaped textile paper is a case of the offset printing press When used as a humid paper, the contact surface is not dense because it is limited only to the end of the pile when connecting with the printing roller.

This is because when the file exists in the loop state, it is in line contact when contacting with the printing roller, and thus it is not evenly contacted with the whole surface, so that it becomes a straight line even when absorbing moisture on the printing roller or supplying water to the printing roller. .

In this case, not only does not sufficiently and uniformly supply the moisture to the printing roller but also does not easily absorb the moisture on the printing roller, which causes the printing efficiency to be lowered and the printing quality is not improved.

In the present invention, the file cutting device for cutting the pile formed in the loop type of the humidifying forge weaved into a circular bar type as a circular knitting machine to solve the problems as described above to have a dense tissue surface to the circular knitting machine The main purpose is to increase the printing quality by easily absorbing and supplying moisture to the printing roller.

1 is a cross-sectional configuration diagram of a partially omitted state showing a state in which a pile cutting device to which the technique of the present invention is applied is mounted;

Figure 2 is a cross-sectional view taken an A portion of the file cutting device for circular knitting machine shown in FIG.

Figure 3 is a perspective view showing an excerpt A of the file cutting device for circular knitting machine shown in FIG.

Figure 4 is a block diagram of a state of the file cutting device for circular knitting machine shown in FIG.

Figure 5 is a cross-sectional view showing a circular knitted fabric of the loop pile is cut by the present invention file cutting device.

Figure 6 is a cross-sectional view showing a circular knitting fabric of the prior art in which the loop pile is not cut by the file cutting device.

* Description of the symbols used in the main parts of the drawings *

30; Circular knitting machine

35; Needle

37; sinker

40; Cutting device

43; Knife Holding Zone

46; knife

48; blade

50; Working projection

51; Retainer Cover

52; Knife Cam Home

53; Entry Cam Home

55; Cutting Cam Groove

60; Roof clamp

64; Wheel

66; Armwheel

Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the preferred embodiment of the present invention for achieving the above object.

1 is a cross-sectional configuration view of a partially omitted state showing a state in which a file cutting device to which the technique of the present invention is applied is mounted; FIG. 3 is a perspective view showing an A portion of the file cutting device for circular knitting machines shown in FIG. 1, FIG. 4 is a schematic view of the file cutting device for circular knitting machines shown in FIG. 1, FIG. It demonstrates together as sectional drawing which shows the circular knitted fabric which the loop pile was cut | disconnected by the pile cutting device.

The conventional circular knitting machine 30 is provided with a frame 31 having a receiving tank to accommodate the round bar type woven paper woven below.

The base 32 provided above the frame 31 is provided with a cylinder guide 34 having a cylinder 33 rotating upward by a motor installed at an intermediate position of the frame 31.

An inner surface of the cylinder 33 is provided with a needle needle cam 36 of the concave shape so as to raise and lower the needle needle 35 in the vertical direction.

The sinker 37 for forming a structure by maintaining the loop type formed by the knitting needle 35 above the cylinder 33 so that the sinker cam 38 can enter and exit in a direction perpendicular to the knitting needle 35. It is provided.

The present invention is characterized by further comprising a cutting device 40 for cutting the pile formed in the loop type by the knitting needle 35 and the sinker 37 above the cylinder 33.

The cutting device 40 is a disk that is maintained by the support 42 which is formed on the base 32 by forming a through-hole 41 to enable the supply of yarn in the center and knitting by the knitting needle 35 and the sinker 37 Knife holder 43 of the form is provided.

On the upper surface of the knife holder 43 is formed radially the same number of knife grooves 44 as the knitting needle 35, the knife groove 44 for cutting the knife 46 for knitting the loop pile 45 Through).

The knife 46 forms a sharp entry protrusion 47 at the distal end to easily enter the loop pile 45, and forms an upwardly inclined blade 48 at the rear thereof.

The rear of the blade 48 is provided with a knife body 49 in a straight shape, and the operation protrusion 50 is formed on the rear upper side of the knife body 49 is configured.

The actuating protrusion 50 is coupled to the upper side of the knife holder 43 to be inserted into the knife cam groove 52 formed on the bottom surface of the holder cover 51 held by the support 42.

The knife cam groove 52 has an entry cam groove 53 so that the knife 46 enters from the time when the loop pile 45 is formed, the entry protrusion 47 can hold the loop pile 45 by walking, and the On the side of the entry cam groove 53 is formed by forming a cutting cam groove 55 so that the blade 48 can cut the loop pile 45.

The upper edge of the support 42 and the drive gear 57 is fixed to the lower edge of the knife holding member 43 so as to be rotatable, and the drive gear 57 is fixed to the cylinder 33. Power is transmitted through the prime mover 58 and the plurality of intermediate gears 59 provided so as to rotate in the same manner as the cylinder 33.

Directly below the knife 46 is further provided with a loop clamp 60 to hold the loop pile 45 to be easily cut.

The roof clamp 60 is of a boomerang type in which one side of the roof clamp 60 is fixed to the knife holder 43 by a hinge 61 in the space between the sinker cam 38 and the knife holder 43, and the other side is held by a spring 62. The male wheel 64 is provided in the wheel holder 63 freely rotating.

An arm wheel 66 engaged with the male wheel 64 having an indentation groove 65 for accommodating the edge of the male wheel 64 is bearing to a bridge 67 installed above the retaining cover 51. It is configured to engage with the wheel shaft 69 held by (68).

The present invention as described above,

The outer yarn is supplied to the circular knitting machine 30, and is knitted in a conventional manner by the knitting needle 35 and the sinker 37. In this process, the loop pie 45 is formed, and the loop pile 45 formed as described above is formed. By cutting by the cutting device 40, it is possible to obtain a softer and more excellent moisture absorbent paper.

Looking at the cutting process of the loop pile 45 by the cutting device 40 in more detail as follows.

The drive gear 57 fixed to the knife holder 43 held by the support 42 via the intermediate gear 59 rotates the power of the prime mover 58 provided in the cylinder 33, thereby causing the knife 46 to rotate. The knife holding portion 43 is interposed with the cylinder 33 to rotate at the same rotational speed.

When the loop pile 45 is formed by the knitting needle 35 and the sinker 37 in this state, the knife 46 enters the loop pile 45 and is provided between the upper side of the sinker 37 and the upper portion of the knife 46. When the loop clamp 60 is held to prevent the loop pile 45 from moving, the knife 46 enters and cuts the loop pile 45.

That is, the knife cam groove (with the operation projection 50 formed in the rear of the knife 46 is inserted into the knife cam groove 52 formed on the bottom surface of the holder cover 51 coupled above the knife holder 43), While entering the entry cam groove 53 of the 52, the knife 46 is naturally in the forward part of the loop pile 45 formed to be caught by the entry protrusion 47 formed in the front end of the knife 46. .

In addition, the knife 46 rotates and enters the cutting cam groove 55 while leaving the entry cam groove 53 so that the knife 46 is completely advanced in the direction of the loop pile 45 to be formed at the rear of the entry protrusion 47. Cut by the blade 48, the knife 46 is to retreat by entering the knife cam groove 52 again.

When the knife 46 cuts the loop pile 45, the loop clamp 60 is grasped to easily cut the corresponding loop pile 45 to be cut. The operation thereof is as follows.

The roof clamp 60 has a male wheel 64 and a holder cover 51 which are freely rotatable by the wheel holder 63 in a space between the sinker cam 38 and the knife holder 43. The arm wheel 66 coupled to the wheel shaft 69 is installed upward to hold the loop pile 45 at the cutting position while rotating together with the fabric being knitted.

In particular, the female wheel 66 is formed with a recessed groove 65 for accommodating the male wheel 64, in the case of the male wheel 64 to the spring 62 holding one side of the wheel retainer 63; It is always in contact with the arm wheel (66).

In addition, the spring 62 is moved finely in the forward and backward directions without interrupting the yarn supplied for knitting by the elasticity of the spring 62 to prevent cutting and the loop pile 45 at the cutting position does not flow. Will be held.

As described above, the present invention has an excellent function for removing moisture without damaging the printing roller when used as a humidifying paper of the printing machine because the loop of the fabric woven in the round bar type is cut through the circular knitting machine.

In addition, even when used for a general purpose other than wet paper, the touch is smooth by the cut loop pile, so that the texture is excellent to improve the quality of the product.

As described above, the present invention provides a file cutting device for cutting a pile formed in a loop type of humidifying paper cloth that is woven into a round bar type with a circular knitting machine to have a dense structure, thereby absorbing moisture and moisture in a printing roller. It is an invention having various effects such that the printing quality can be further improved by easily supplying, and the present invention can be utilized with high quality even for general use.

Claims (3)

A frame 31 having a receiving tank so as to accommodate the round bar type woven fabric woven downward; A base 32 provided above the frame 31; A cylinder guide (34) provided at the base (32) to accommodate a cylinder (33) rotating by a motor installed at an intermediate position of the frame (31); A needle cam (36) provided to raise and lower the needle needle (35) interposed on the inner surface of the cylinder (33); A sinker 37 formed above the cylinder 33 to form a structure by maintaining a loop type formed by the knitting needle 35; Cutting device 40 for cutting the loop pile formed by a conventional circular knitting machine 30 including a sinker cam 38 is provided so that the sinker 37 in and out in a direction perpendicular to the knitting needle 35 In constructing; The cutting device 40 includes a knife holding member 43 which is formed as a support 42 erected on the base 32 by forming a through hole 41 in the center thereof; A knife groove 44 formed radially in the same number as the knitting needle 35 on the upper surface of the knife holder 43; An entry protrusion 47 interposed in the knife groove 44 so as to easily enter the loop pile 45 knitted therein; A blade 48 formed upwardly inclined at the rear of the entry protrusion 47; A knife body 49 provided at the rear of the blade 48; A knife 46 including an actuating protrusion 50 formed above the rear end of the knife body 49; The knife holding groove 43 is formed by holding a knife cam groove 52 for accommodating the operation projection 50 so as to allow the knife 46 to enter and exit the roof pile 45 on the bottom thereof to be supported by the support 42. A holder cover 51 coupled to the upper portion of the upper cover; The upper edge of the support 42 and the bearing 56 are maintained at the edge bottom of the knife holder 43 to receive the power through the prime mover 58 and the intermediate gear 59 provided in the cylinder 33. A drive gear 57 provided to rotate in the same manner as 33; Directly below the knife 46 characterized in that it further comprises a loop clamp 60 for holding the loop pile 45 to be easily cut to cut the pile device for circular knitting machine. The method of claim 1; The knife cam groove 52 includes an entry cam groove 53 formed so that the entry protrusion 47 of the knife 46 can walk on the loop pile 45 from the time when the loop pile 45 is formed; Circular cutting machine for a circular knitting machine, characterized in that it comprises a cutting cam groove (55) formed on the side of the entry cam groove (53) so that the blade 48 can cut the loop pile (45). The method of claim 1; The roof clamp 60 includes a male wheel 64 provided in a space between the sinker cam 38 and the knife holder 43; An arm wheel (66) coupled to a wheel shaft (69) held by a bearing (68) on a bridge (67) installed above the holder cover (51); The male wheel 64 is fixed on one side hinge (61) to the holder cover (51); The other side of the male wheel (64) is provided freely to rotate on the wheel holding portion (63) held by the spring (62); The arm wheel (66) is a pile cutting device for a circular knitting machine, characterized in that it further comprises a concave groove (65) that can accommodate the edge of the male wheel (64).