KR101189586B1 - Modular cam type circular knitting machine - Google Patents

Abstract

PURPOSE: A circular knitting machine of a module type is provided to freely control the speed of needle movement. CONSTITUTION: A circular knitting machine of a module type comprises a dial(42) having a plurality of activation grooves which are radially formed on the upper side and is coupled with a horizontal needle; a cylinder(43) with a plurality of the activation grooves which are vertically formed at the outer circumference and are coupled with a vertical needle; a plurality of cams which are fixed at the main body of the circular knitting machine on the upper side of the dial and outside of the cylinder for knitting movement of the vertical needle and horizontal needle; and a plurality of thread feeding hole for supplying hosiery yarn to the vertical and horizontal needles.

Description

Modular Cam Type Knitting Machine {MODULAR CAM TYPE CIRCULAR KNITTING MACHINE}

According to the present invention, as a needle bed composed of a dial 42 and a cylinder 43 rotates, a plurality of latch knitting needles coupled to a needle are axially reciprocated by a cam, and the knitting yarn 99 ) Is a circular knitting machine for producing a tubular knitted fabric (98), and a vertical knitting needle (17) coupled to a cam (43) and a cylinder (43) for inducing a horizontal knitting needle (16) coupled to a dial (42). Each of the dial cam module 12 and the cylinder cam module 13 formed with a guide groove 11 formed on the surface of the cam for guiding the same, the dial cam module 12 and the cylinder cam module 13 to the knitting point It consists of the same feeder 51 and the same number.

Knit fabric 98 is a fabric in which tissues are formed by intertwining loop-shaped stitches without intersecting threads, and having excellent stability against wrinkles compared to other textile fabrics such as woven or nonwoven fabrics, and hygroscopicity due to porous tissue. Excellent elasticity and fit.

Since the knitted fabric 98 uses only one kind of knitted yarn 99 in the radial direction or the upper direction, the knitting yarn 99 is not divided into the same warp and weft yarn as in the cross-woven fabric, but only in the knitting direction of the fabric. In order to classify, the transverse section of the cyclic ring is divided into courses, and the longitudinal section is divided into wales.

A machine for producing the knitted fabric 98 is called a knitting machine, and the knitting machine performs a knitting operation of forming a circular ring by binding a group of needles having a hook formed at the distal end or grouping and mutually binding adjacent circular rings. According to the knitting direction of the knitted fabric 98, it is classified into a warp knitting machine and a top knitting machine.

Among these, the upper knitting machine can be further divided into a circular knitting machine and a flat knitting machine. The circular knitting machine to which the present invention belongs is a kind of circular knitting machine, and knits the tubular knitted fabric 98.

1 is a structural diagram showing the appearance and representative cross-section of a general circular knitting machine, as shown, the circular knitting machine is a plurality of coupled to the needle bed (needle bed) consisting of a dial 42 and the cylinder 43 is rotated as a needle A latch knitting needle knits the knitting yarn 99 while axially reciprocating by a cam to produce a tubular knitted fabric 98.

That is, as shown in Figures 1 and 2, the needle of the circular knitting machine is formed with a plurality of grooves incision, radial disk grooves 42 constituting the needle radially active grooves 41 on the upper surface at equal intervals It is formed, the cylindrical cylinder 43, the active groove 41 is vertically formed on the outer peripheral surface at equal intervals, the horizontal knitting needle 16 and the vertical knitting needle 17 are coupled, respectively.

The knitting needle coupled to the dial 42 and the actuating groove 41 of the cylinder 43 is a latch knitting needle having an open hook in the head of the tip, as shown in FIG. 3, and a protruding piece between the knitting needles, which is the body of the knitting needle. 15 is formed to perform the axial reciprocating motion while sliding along the activity groove 41 by the cam (cam) to be described later as the needle rotates.

4 is a representative cross-sectional view showing the knitting movement state of the circular knitting machine, as shown in the outer periphery of the lower end of the cylinder 43, an annular rack 44 is formed and the annular rack 44 has a drive motor. A pinion 45 connected to the 35 is engaged to rotate the cylinder 43 as the driving motor 35 rotates. A circular rack 47 is formed on the rotation shaft of the dial 42. The rack 47 is engaged with the pinion 45 and another pinion 45 coaxially connected to the shaft 46.

Therefore, as shown in Figures 2 and 4, the dial 42 and the cylinder 43 constituting the needle has a concentric rotation axis in the state in which the outer edge of the dial 42 and the upper end of the cylinder 43 is finely spaced, As the driving motor 35 rotates, the rotating motor rotates. In the circular knitting machine having the structure as shown, the dial 42 and the cylinder 43 rotate at the same angular speed.

In addition, as shown in Figure 4, the upper portion of the dial 42 is provided with a circular fixing plate 31 fixed to the circular knitting machine body, the outer side of the cylinder 43 is formed with an annular fixing plate 32 fixed to the circular knitting machine body, The circular fixing plate 31 and the annular fixing plate 32 are each provided with an arc-shaped horizontal mounting plate 21 and a vertical mounting plate 22, which is a vertical wall, and the horizontal mounting plate 21 and the vertical mounting plate, respectively. The cam 22 is provided with a guide which guides the horizontal knitting needle 16 and the vertical knitting needle 17, respectively.

5 and 6 are respectively a bottom perspective view and a bottom exploded perspective view of the cam and the horizontal mounting plate 21 of the conventional circular knitting machine, as shown, a plurality of unit cams are attached to the horizontal mounting plate 21 in a horizontal manner as described above. Although not shown, a plurality of unit cams are combined and attached to the vertical attachment plate 22 to guide protrusions 15 of the vertical needle needle 17. Will lead to.

As can be seen from Figure 6, the unit cam attached to the horizontal mounting plate 21 and the forward cam 18 is installed on the center side of the dial 42 in the direction of induction of the assigned horizontal knitting needle 16 and Although not shown, the unit cam attached to the vertical mounting plate 22 may be divided according to the direction of induction of the assigned vertical knitting needle 17. It may be divided into a lowering cam installed on the upper side and the lowering cam installed on the upper side of the cylinder 43.

In the circular knitting machine having the above-described structure, the circular fixing plate 31, the horizontal mounting plate 21, the forward cam 18, the retracting cam 19, the annular fixing plate 32, the vertical mounting plate 22, the rising cam and the lowering Components such as cams are fixed to the circular knitting machine main body, and components such as the dial 42 and the cylinder 43 rotate as the driving motor 35 moves, and thus, the dial 42 and the cylinder 43 The horizontal knitting needle 16 and the vertical knitting needle 17 coupled to the active groove 41 revolve in a concentric manner with the dial 42 and the cylinder 43, while the horizontal knitting needle 16 protrudes and retracts radially. Repeatedly, the vertical knitting needle 17 repeatedly moves up and down, as in the enlarged portion of the ellipse of FIG. 4, to catch the knitting yarn 99 supplied through the yarn feed port 51 to form a knitting operation and bind the adjacent knitting operation. Will be performed.

The tubular knitted fabric 98 formed by the systematic knitting movement of the horizontal knitting needles 16 and the vertical knitting needles 17 has the outer periphery of the dial 42 and the upper end of the cylinder 43 as shown in FIGS. 1 and 4. Discharged through the spaced portion of the liver is deposited on the lower portion of the circular knitting machine, as shown in Figure 1, the discharge tubular knitted fabric 98, the horizontal knitting needle 16 and the vertical knitting needle (revolving with the dial 42 and the cylinder 43) 17), the rotor may be configured to rotate the finished tubular knitted fabric 98 at a constant speed with the dial 42 and the cylinder 43, since the rotational state is maintained at the time of discharging.

As such, the knitting movement performed by the axial reciprocating motion between the revolution and the knitting needles of the horizontal knitting needle 16 and the vertical knitting needle 17 is applied to cams such as the forward cam 18, the retracting cam 19, the rising cam and the falling cam. Guided by the shape and arrangement of the cam installed in the circular knitting machine, the ring shape of the completed knitted fabric 98, the inter-cyclic binding system and the density of the ring is determined.

In the conventional circular knitting machine, the cam installation method will be described with reference to the forward cam 18 and the retracting cam 19 which guide the horizontal knitting needle 16 as follows.

As can be seen from FIGS. 5 and 6, a plurality of cams composed of the forward cam 18 and the retracting cam 19 are attached to the bottom surface of the arc-shaped horizontal mounting plate 21. The horizontal mounting plate 21 is fixed to the circular knitting machine body through the circular fixing plate 31, as shown in Figure 4, the protruding piece 15 of the horizontal knitting needle 16 is between the advance cam 18 and the retracting cam 19 The organizing exercise is performed while being guided along the spacing space of.

In the knitting machine to which the circular knitting machine belongs, there is one sudden yarn 51 for each knitting point which is a unit of knitting element, wherein the knitting point is an imaginary point corresponding to each course constituting the knitting 98, and is horizontal. The knitting needle 16 and the vertical knitting needle 17 repeat the periodic knitting movement based on the knitting point.

Therefore, the shape of the spaced space between the forward cam 18 and the retracting cam 19 which induces the knitting movement of the horizontal knitting needle 16 is also repeated based on the knitting point, that is, the yarn feed port 51. FIGS. 5 and FIG. As shown in FIG. 6, in the conventional circular knitting machine, the forward cam 18 and the retracting cam 19, which guide the horizontal knitting needle 16 forming a single knitting point, are not composed of a single part, but also correspond to each other ( It has a structure which is not comprised from the components of the above.

That is, in the conventional circular knitting machine, as illustrated through FIGS. 5 and 6, two sets of retreating cams 19 are combined to induce the same type of horizontal knitting needle 16, while four horizontal knitting needles 16 cycles. The movement is performed through a single forward cam 18, and thus the overall cam arrangement is not only difficult, but also has a problem of low work convenience in the installation and maintenance of the circular knitting machine.

In particular, since the cam which induces a single needle knitting motion forming a single knitting point is separated into a plurality of cams, the cam and cam connection cannot but exist on the single needle knitting movement path. Not only there is a limit, but also causes problems such as poor movement of the needle, deviation of the path and breakage, and the like, as a result, the possibility that a failure occurs in the finished knitted fabric 98 also increases.

In addition, when it is necessary to partially configure the knitting movement pattern for the purpose of partially changing the knitting organization of the knitting 98 or forming a pattern, it is practically impossible to replace the knitting by knitting points. To replace the entire cam or to replace a plurality of cams combined for a certain period, there is a serious problem that there is a limit in productivity and device compatibility as well as work convenience.

The present invention was devised in view of the above-described problems, and a plurality of active grooves 41 to which the horizontal knitting needles 16 are coupled are radially formed on the upper surface of the dial 42 and the plurality of vertical knitting needles 17 to be coupled. The cylinder 43 formed with the active groove 41 perpendicular to the outer circumferential surface is rotated concentrically, and a plurality of cams fixed to the main body of the circular knitting machine are disposed on the upper side of the dial 42 and the outer side of the cylinder 43. Is installed to induce the knitting movement of the horizontal knitting needle 16 and the vertical knitting needle 17, the upper side of the dial 42 and the cylinder 43 supplies the knitting yarn 99 to the horizontal knitting needle 16 and the vertical knitting needle 17 In the circular knitting machine in which a plurality of yarn feeding ports 51 are provided, a plurality of arc-shaped horizontal mounting plates 21 fixed to the circular knitting machine main body through a circular fixing plate 31 are radially disposed on the upper side of the dial 42. Is installed on the bottom surface of the horizontal mounting plate 21, and the same number of dial cam modules 12 as the feed port 51 are attached. However, the dial cam module 12 is coupled to the protruding piece 15 formed in the horizontal knitting needle 16 to induce forward and retreat of the horizontal knitting needle 16 as the horizontal knitting needle 16 revolves with the dial 42. To guide groove 11 is formed, a plurality of wall-type vertical mounting plate 22 which is fixed to the circular knitting machine body through the annular fixing plate 32 on the outer side of the cylinder 43 is radially installed, the vertical mounting plate ( The cylinder cam module 13 equal to the feed hole 51 is attached to the center surface of the cylinder 43 of the cylinder 43, and the protrusion cam 15 formed on the vertical knitting needle 17 is attached to the cylinder cam module 13. The modular cam circular knitting machine is characterized in that the induction groove 11 for inducing the rising and falling of the vertical knitting needle 17 is formed as the vertical knitting needle 17 revolves with the cylinder 43.

In addition, the diameter of the dial 42 is 900mm to 1,100mm, the number of dial cam module 12 and the feed port 51 is a modular cam circular knitting machine, characterized in that 96 to 126.

Through the present invention, it is possible to continuously and precisely form the induction path of the cam for inducing the needle, thereby freely adjusting the inclination, curvature and the movement speed of the needle, as well as It is possible to exercise precisely and smoothly, and thus, it is possible to organize work through low-speed rotation of the bed, and to expand the feeding yarn 51 without replacing the whole equipment by reducing the interval between the feeding yarns 51 during the high-speed rotation. Do.

In addition, by forming the feed yarn 51, the dial cam module 12, and the cylinder cam module 13 corresponding to the knitting point which is the unit of the knitting element of the knitting 98, the cam structure for each knitting point is formed. It can be easily changed, the elastic 98 according to the organization or pattern of the knitting (98) is possible.

As such, through the present invention that can improve the knitting needle movement characteristics, expansion or free adjustment of the yarn feeder 51, free setting of the knitting needle for each knitting point, to improve the efficiency of the knitting 98 production process through the circular knitting machine The quality of knitted fabric 98 can also be improved.

1 is a structural diagram of a general circular knitting machine
Figure 2 is a perspective view of the partial cutting of the dial and cylinder extract of the circular knitting machine
Figure 3 is a perspective view of the knitting needle of the circular knitting machine
Figure 4 is a representative cross-sectional view of the operating state of the circular knitting machine
Figure 5 is a bottom perspective view of the cam and horizontal mounting plate extract of the circular knitting machine
Figure 6 is an exploded perspective view of the bottom portion of the cam and horizontal attachment plate of the circular knitting machine
7 is a structural diagram of the present invention
8 is a representative cross-sectional view of the operating state of the present invention
9 is an exploded perspective view of a partial cut of the present invention with the knitting needle removed
10 is a partially cutaway perspective view of the present invention.
11 is a perspective view of a partial cutaway of the present invention
12 is a detailed diagram of the knitting needle state of the present invention
13 is a diagram illustrating a dial cam module installation method of the present invention;
14 is a diagram illustrating a cylinder cam module installation method of the present invention;
15 is a cross-sectional view taken along the line A-A 'of FIG.
Figure 16 is a perspective view of the bottom cam extract and horizontal mounting plate extract of the present invention
Figure 17 is a rear perspective view of the excerpt of the cylinder cam module and the vertical mounting plate of the present invention

The detailed configuration and operation principle of the present invention will be described with reference to the accompanying drawings.

First, Figure 7 schematically shows the structure of the circular knitting machine to which the present invention is applied, as shown, the circular knitting machine of the present invention is a dial formed radially on the upper surface of the plurality of active grooves 41 to which the horizontal knitting needle 16 is coupled; (42) and the cylinder 43, which is formed vertically on the outer circumferential surface of the plurality of active grooves 41 to which the vertical knitting needles 17 are coupled, rotates concentrically, and the upper side of the dial 42 and the cylinder 43 A plurality of cams fixed to the circular knitting machine main body are installed on the outside thereof to induce the knitting movement of the horizontal knitting needle 16 and the vertical knitting needle 17, and the horizontal knitting needle (upper side of the dial 42 and the cylinder 43). 16 and a plurality of feed yarns 51 for supplying the knitting yarn 99 to the vertical knitting needle 17 are provided.

8 and 9, the circular knitting machine of the present invention has an annular rack 44 at an outer portion of the cylinder 43 that is engaged with the pinion 45 connected to the driving motor 35 as the driving motor 35 rotates. As a result, the cylinder 43 rotates, and the circular rack 47 connected to the rotary shaft of the dial 42 is rotated by another pinion 45 connected to the pinion 45 and the shaft 46. The 42 and the cylinder 43 are co-rotated with the concentric rotating shaft.

When the dial 42 and the cylinder 43 are rotated, as shown in FIGS. 10 to 12, a plurality of horizontal surfaces are respectively coupled to the active groove 41 of the dial 42 and the active groove 41 of the cylinder 43. The knitting needle 16 and the vertical knitting needle 17 are engaged with the dial 42 and the cylinder 43, that is, the horizontal knitting needle 16 and the vertical knitting needle 17 are coupled to the dial 42 and the cylinder 43, respectively. In the state, the horizontal knitting needle 16 and the vertical knitting needle 17 revolve around the rotation axis of the dial 42 and the cylinder 43, which will be described later in the revolving process of the horizontal knitting needle 16 and the vertical knitting needle 17. The horizontal knitting needle 16 is guided in a state where the horizontal knitting needle 16 and the protruding piece 15 of the vertical knitting needle 17 are coupled to the guide groove 11 formed in the dial cam module 12 and the cylinder cam module 13. And the vertical knitting needle 17 performs an advancing and lifting movement.

On the outer side of the dial 42 and the cylinder 43, as shown in Figs. 10 and 11, a plurality of yarn feeding port 51 is radially concentric with the center of the circular knitting machine, that is, the center of the dial 42 and the cylinder 43. 8, the knitting yarn 99 is supplied, and the horizontal knitting needle 16 and the vertical knitting needle 17 capture the knitting yarn 99 supplied through the yarn feeding port 51. The knitted fabric 98 is manufactured by forming a knitting ring and binding the adjacent knitting ring to each other, and the tubular knitted fabric 98 is passed through a fine space between the outer edge of the dial 42 and the upper end of the cylinder 43 to the lower side of the circular knitting machine. Discharged.

The active groove 41 formed on the upper surface of the dial 42 and the outer peripheral surface of the cylinder 43, respectively, is cut in the same width as the thickness of the single needle, which is the body of the horizontal knitting needle 16 and the vertical knitting needle 17, thereby opening the active groove 41. Accordingly, the horizontal knitting needle 16 and the vertical knitting needle 17 perform sliding and lifting movements while sliding, and as shown in FIGS. 11 and 12, one knitting needle per one active groove 41 is coupled. .

In the present invention, the dial cam module 12 for inducing the forward and backward movement of the horizontal knitting needle 16 is installed in the circular knitting machine through the horizontal mounting plate 21 as shown in FIG. 13, as shown in FIGS. 9 to 12, On the upper side of the dial 42, a plurality of arc-shaped horizontal mounting plates 21, which are fixed to the circular knitting machine main body through a circular fixing plate 31, are radially installed, and the above-described bottom surface of the horizontal mounting plate 21 is described above. It has a structure in which the yarn feeding port 51 and the same number of dial cam modules 12 are attached.

In addition, the cylinder cam module 13 to induce the lifting motion of the vertical knitting needle 17 is installed in the circular knitting machine through the vertical mounting plate 22, as shown in Figure 14, as shown in Figures 9 to 12, the cylinder ( On the outer side of 43, a plurality of wall-type vertical mounting plates 22 fixed to the annular knitting machine body through the annular fixing plate 32 are radially installed, and on the surface of the center of the cylinder 43 of the vertical mounting plate 22, Has a structure in which the yarn feed port 51 and the same number of cylinder cam module 13 is attached.

In the illustrated embodiment, two dial cam modules 12 and a cylinder cam module 13 are attached to each of the horizontal mounting plate 21 and the vertical mounting plate 22, and the horizontal mounting plate 21 and the vertical mounting plate ( 22, the dial cam module 12 and the cylinder cam module 13 attached to the horizontal mounting plate 21 and the vertical mounting plate 22 may be expanded, but in the present invention, the dial cam module 12 And the number of cylinder cam modules 13 are configured to match the number of the feed holes 51.

In this way, the number of the yarn feeder 51, that is, the number of the course of the finished knitted fabric 98 and the number of the matching camcording number of the knitting point is shown in the dial cam module 12 and the cylinder cam module 13 As shown in 15 to 17, the continuous guide groove 11 is formed.

That is, as shown in Figure 16, the lower surface of the dial cam module 12 is coupled to the projection piece 15 formed in the horizontal knitting needle 16, the horizontal knitting needle 16 is revolving with the dial 42, the horizontal knitting needle ( An induction groove 11 for inducing the forward and backward of the 16 is formed, and as shown in FIG. 17, the projection cam 15 formed in the vertical knitting needle 17 is coupled to the cylinder cam module 13 so that the vertical knitting needle 17 ) Is guided by the cylinder 43 and the guide groove 11 to guide the rise and fall of the vertical knitting needle 17 is formed.

As such, by configuring the dial cam module 12 and the cylinder cam module 13, which are modular cams in which a single continuous guide groove 11 is formed, the induction path of the cam for inducing single needles is continuously and precisely. It is possible to form, thereby freely adjusting the inclination, curvature of the induction furnace and the speed of movement of the needle, as well as enabling the precision and smooth movement of the needle.

In particular, through precise and continuous induction furnace, it is possible to freely adjust the needle rotation speed, and the knitting operation is possible through the low speed rotation of the needle. It is possible to increase the feed yarn 51 without the need.

In addition, by forming the feed yarn 51, the dial cam module 12, and the cylinder cam module 13 in equal numbers, the cam structure for each knitting point can be easily changed, and the knitted fabric 98 has a structure or a pattern. In the circular knitting machine to which the present invention is applied, in order to ensure smooth rotation of the needle and knitting movement characteristics of the knitting needle, when the diameter of the dial 42 is 900 mm to 1,100 mm, the dial cam module 12 ), The number of the cylinder cam module 13 and the yarn feed port 51 is preferably set to 96 to 126.

11: Induction groove
12: Dial Cam Module
13: Cylinder Cam Module
15: protrusion
16: horizontal knitting needle
17: vertical knitting needle
18: Forward Cam
19: Retreat Cam
21: horizontal mounting plate
22: vertical mounting plate
31: round fixing plate
32: annular fixing plate
35: drive motor
41: Activity Home
42: dial
43: cylinder
44: annular rack
45: pinion
46: shaft
47: round rack
51: sudden death ball
98: knitting
99: knitting yarn

Claims (2)

A cylinder in which a plurality of active grooves 41 to which the horizontal knitting needles 16 are coupled is radially formed on the upper surface of the dial 42, and a plurality of active grooves 41 to which the vertical knitting needles 17 are coupled to the outer circumferential surface thereof. 43 is rotated concentrically, and a plurality of cams fixed to the main body of the circular knitting machine are provided on the upper side of the dial 42 and the outer side of the cylinder 43 so that the horizontal knitting needle 16 and the vertical knitting needle 17 are provided. Induces the knitting movement of the dial 42 and the upper side of the cylinder 43, the circular knitting machine 51 is provided with a plurality of yarn feeding port 51 for supplying the knitting yarn 99 to the horizontal knitting needle 16 and the vertical knitting needle 17 In
On the upper side of the dial 42, a plurality of arc-shaped horizontal mounting plates 21, which are fixed to the circular knitting machine main body through a circular fixing plate 31, are radially installed, and on the bottom of the horizontal mounting plate 21 The dune 51 and the same number of dial cam modules 12 are attached;
The dial cam module 12 is coupled to the projection piece 15 formed on the horizontal knitting needle 16, inducing the horizontal knitting needle 16 to move forward and backward as the horizontal knitting needle 16 revolves with the dial 42. The groove 11 is formed;
On the outside of the cylinder 43, a plurality of wall-shaped vertical mounting plates 22 fixed to the circular knitting machine main body through the annular fixing plate 32 are radially installed, and the center side surface of the cylinder 43 of the vertical mounting plate 22 is provided. Is attached to the same number of cylinder cam module 13 and the yarn feed port 51;
The cylinder cam module 13 is coupled to the protrusion piece 15 formed in the vertical knitting needle 17, inducing the vertical knitting needle 17 to rise and fall as the vertical knitting needle 17 revolves with the cylinder 43. Modular cam circular knitting machine, characterized in that the groove (11) is formed.
The modular cam circular knitting machine according to claim 1, wherein the diameter of the dial (42) is 900mm to 1,100mm, and the number of the dial cam module (12) and the yarn feeding port (51) is 96 to 126.

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