KR200252885Y1 - Needle Cam Holders and Brakets for adjusting location of cams so as to easily change the height of loop or boa in a quilting machine - Google Patents

Abstract

The present invention relates to a circular knitting machine for manufacturing a boa, a hair fabric or a similar fabric, and in particular, the reciprocating motion of the vertical needle is made in a more various pattern by improving the structure of the cam which performs the raising and lowering movement of the vertical needle of the circular knitting machine. It allows the production of various types of products.

The present invention improves the structure of the needle cam, the cam holder and the cam holder fixing plate of the circular knitting machine, and when the needle cam is fastened to the cam holder fixing plate, the cam holder is mounted as an intermediate connecting member and the cam holder is mounted on the cam holder. Forming a long hole in the cam holder is characterized in that it is configured to facilitate the relative position of the two or more vertical needle (needle) cams (21 ~ 29).

The present invention can freely change the position of the cams (21 ~ 29) or to facilitate replacement, it is possible to produce a variety of products by allowing the reciprocating movement of the vertical needle (6) to be freely changed to long or short. .

Description

Needle Cam Holders and Brakets for adjusting location of cams so as to easily change the height of loop or boa in a quilting machine}

The present invention relates to a circular knitting machine for manufacturing a boa, a hair fabric or a similar fabric, and in particular, the reciprocating motion of the vertical needle is made in a more various pattern by improving the structure of the cam which performs the raising and lowering movement of the vertical needle of the circular knitting machine. It allows the production of various types of products.

A general circular knitting machine has a pair of horizontal and vertical needle cylinders (1) and (2), as shown in Figure 1, and a predetermined number of needle groups horizontally depending on the type of fabric produced on the main wall surface of the cylinders It consists of a configuration for weaving the product while reciprocating by the horizontal and vertical cams (3) (4) fixed to the fixed plate (7) and the vertical fixed plate (8), respectively.

At this time, the length of the hair of the product, such as a boa (boa) is determined according to the distance and the number of times of rise and fall of the vertical needle. In addition, by adjusting the spacing between the vertical needle 6 and the cutting needle (not shown), it is possible to form a hair of a general shape as well as a loop shape.

As described above, the reciprocating motion of the vertical needle of the circular knitting machine is directly related to the product to be processed. Since the reciprocating cycle and the moving distance of the needle are adjusted by the needle cam, how to configure the needle cam is a kind of product and It will affect quality.

However, in the related art, different cam holders and cams are separately provided in one circular knitting machine according to the type of the product to be processed, and there is a need to alternately use them. As described above, according to the type of the product to be processed, a plurality of sets of cams and cam holders require a lot of costs, resulting in an increase in manufacturing cost.

In addition, the cam has to be replaced in order to produce another kind of product by using one circular knitting machine, which has a lot of inconvenience because the replacement of the cam takes a lot of time.

In order to solve this problem, Utility Model Registration No. 193-0002199 as shown in FIG. 2 has been devised. However, the cam fixing plate 8 disclosed in the utility model registration application has a problem that it is difficult to accurately set the position between each cam (4a ~ 4e) because the guide groove 13 is formed vertically. In addition, since the fastening hole 14b is formed only at a specific position of the cam holder, there is a problem in that the cam plates 4a to 4e cannot be finely adjusted according to the type of product.

The present invention is devised to solve the conventional problems as described above, so that the cam groove can be changed freely by changing the position of the cam on the vertical cam holder 8 of the circular knitting machine to be easily adjustable It is an object of the present invention to provide a needle cam holder and a cam holder fixing plate of a circular knitting machine which can implement a length of a loop or a length of a cut yarn as one circular knitting machine.

It is further an object of the present invention to provide a needle cam holder and a cam holder holding plate of a circular knitting machine which can more easily and accurately adjust the position of a plurality of cams on a cam holder.

In order to achieve the above object, the present invention improves the structure of the cam holder and the cam holder fixing plate for fixing the vertical cams of the circular knitting machine. Briefly, the vertical cams 21 to 29 are directly coupled to the vertical needle cam fixing plate. The cam holder fixing plates 10a to 10d are inserted into and installed in the cam holder fixing plates 10a to 10d so as to fasten the vertical cams 21 to 29, respectively. And by forming on the cam holder fixing plate and the cam holder the long holes 41 to 46 of the same size passing through the cam holders 31 to 36, the relative positional change of the group of cams 21 to 29 is achieved. It is characterized in that the easy to change the period and the movement distance of the vertical reciprocating movement of the vertical needle (6) freely according to the product to be processed.

1 is a schematic cross-sectional view showing a general configuration of a circular knitting machine

2 is a perspective view schematically showing a needle cam holder and a cam of a conventional circular knitting machine

3 is a perspective view schematically showing a state in which the vertical needle cams are fastened by a long hole and a bolt hole formed in the cam holder fixing plate and the cam holder of the circular knitting machine according to the present invention;

Figure 4 is a perspective view showing a state in which the cam holder according to the present invention is fastened by the bolt to the cam holder fixing plates

5 is a front view showing an unfolded state in which needle cams are fixed to cam holders and cam holder fixing plates;

FIG. 6 is a front view illustrating an unfolded state in which positions of movable cams of the needle cams of FIG. 5 are changed;

7 is a conceptual diagram showing the shapes of the hair that can be woven using the needle cam holder and the cam holder fixing plate of the circular knitting machine according to the present invention

<Description of the symbols for the main parts of the drawings>

1: horizontal needle cylinder 2: vertical needle cylinder

3: horizontal cam 4a-4d: vertical cam

5: horizontal needle 6: vertical needle

7,8,10: Cam holder fixing plate 9: Long hole

11: needle protrusion 14a, 14b: bolt hole

16, 61-66: bolt 21-29: needle cam group

21,25,26: movable cam 22,23,24,27,28,29: fixed cam

31 ~ 36: Cam holders 41 ~ 47: Long holes

47 ~ 52: Jangyo groove 42,43,45,46: Sloped long hole

41,44: vertical slot

Hereinafter, described in detail by the accompanying drawings of the present invention as follows.

3 is a perspective view schematically showing a state in which the vertical needle cams are fastened by the long hole and the bolt hole formed in the cam holder fixing plate and the cam holder of the circular knitting machine according to an embodiment of the present invention, and FIG. 3A is a first cam 21. ) Is a perspective view schematically showing a state in which the third cam 23 is fastened by bolts to the first cam holder fixing plate 10a and the first cam holder 31 and the second cam holder 32, respectively. 3b schematically illustrates a state in which the fourth cam 24 to the seventh cam 27 are fastened by the inclined long hole 41 and the bolt hole formed in the second cam holder fixing plate 10b and the second cam holder 33. It is a perspective view shown.

4 is a perspective view showing a state in which the cam holders 31 to 36 are fastened by bolts to the cam holder fixing plates 10a to 10d according to an embodiment of the present invention, and FIG. 5 is shown in FIG. 4. Is a front view showing a state in which the vertical needle cams 21 to 29 are fixed by bolts through long holes and bolt holes formed in the cam holders 31 to 36 and the cam holder fixing plates 10a to 10d. 6 is a front view showing an unfolded state of changing the positions of the movable cams 21, 25, 26 fastened by bolts through the long holes 41 to 46 among the needle cams of FIG.

FIG. 7 illustrates the shapes of the hair which can be woven by the circular knitting machine of the present invention by varying the vertical reciprocating motion of the needle 6 by changing the position of the vertical needle cam as shown in FIGS. 5 and 6. .

The body of the vertical needle (6) of the circular knitting machine is formed with a protrusion (11) called a batt or a foot, and the protrusion (11) is formed according to the mutual arrangement of the cams (21 to 29) Since it is configured to move freely along the gap and the groove 20 formed in the cams, when the cylinder (2) containing the needle is rotated along the gap and cam groove 20 formed by the cams (21 ~ 29) Since the protruding piece 11 is slid, the vertical needle 6 reciprocates up and down, and the fabric is processed by the interaction with the horizontal needle 5.

The present invention can freely change the gap and the path of the cam groove 20 formed by the cams 21 to 29 to generate the vertical reciprocating motion of the vertical needle 6 according to the type and characteristics of the product to be processed. As shown in FIG. 5 and FIG. 6, predetermined long holes 41 to 46 are formed in the cam holders 31 to 36 and the cam holder fixing plates 10a to 10d, respectively, and fastened by bolts. By changing the positions of the movable cams 21a, 25a, 26a, 21b, 25b, and 26b, the gap and the position of the cam groove 20 can be easily changed.

Each cam holder fixing plate 10a to 10d in the present invention is fixed by the cam holders 31 to 36 and bolt holes and bolts (not shown), and the cam holder fixing plates 10a to 10d are first fixed plates. It consists of 10a, the 2nd fixed plate 10b, the 3rd fixed plate 10c, and the 4th fixed plate 10d.

The fixed cams 22, 23, 27, 28, and 29 of which the positions of the cams 21 to 29 that do not vary along the long holes 41 to 46 are each bolt holes 61 to 66. Through the bolt (not shown) is fixed to the cam holder fixing plate (10a ~ 10d) and the cam holder (31 ~ 36).

The first fixing plate (10a) is configured to accommodate the first cam holder 31 and the second cam holder 32, the first having a predetermined length in the vertical direction in the center of the first cam holder (31) A vertical long hole 41 is provided, and the long holes of the same size are also provided at the same position of the first fixing plate 10a.

A third cam holder 33 is accommodated and fixed to the second fixing plate 10b, and a first inclined long hole 42 formed at an angle of 45 ° is provided at an intermediate position of the third cam holder 33. A second inclined long hole 43 is provided in the lower right side of the first inclined long hole 42 in parallel, and the second fixing plate 10b is also provided with a long hole (not shown) in the same size and position.

The fourth cam holder 34 and the fifth cam holder 35 fixed to the third fixing plate 10c are similar to those of the first fixing plate and the first and second cam holders 31 and 32. The position where the second vertical long hole 44 is formed is formed at a position symmetrical with the first vertical long hole 41.

The sixth cam holder 36 is accommodated and fixed to the fourth fixing plate 10d, and the third inclined long hole 45 having an upper right portion formed at a high 45 ° angle at an intermediate position of the sixth cam holder 36. Is provided, the fourth inclined long hole 46 is provided in parallel to the upper left of the third inclined long hole 45, the fourth fixing plate (10d) is also provided with a long hole (not shown) in the same size and position .

In particular, the oblique long holes 42, 43, 45, 46 are formed obliquely at a high 45 ° angle at the upper right side, so that the second movable cam 25 and the third movable cam 26 are adjacent to each other. This is to match the angle of inclination of the gap formed. That is, when the second movable cam 25 is adjusted along the longitudinal direction of the first inclined long hole 42, the third movable cam 26 movable along the longitudinal direction of the second inclined long hole is the second movable cam 25. The gap between the movable cam 25 and adjacent to each other is to be kept constant.

Referring to the operation and effects of the vertical cam holder and the cam holder holding plate of the circular knitting machine configured as described above are as follows.

When the vertical needle cylinder 2, which accommodates the needle 6, is rotated by the driving means (not shown) of the circular knitting machine, the protrusion 11 of the needle 6 fitted in the cam groove 20 is turned into the cam groove ( A sliding motion is performed along 20), and the vertical needle 6 reciprocates up and down by this sliding motion.

4 and 5 indicate the direction of rotation of the needle cylinder for accommodating the needle, and the arrows indicated in the lower part of FIGS. 4 and 5 indicate the relative motion of the needle caused by the rotation of the needle cylinder. It shows the direction.

The vertical needle cam group according to the present invention is a set that is fixed by the first fixing plate 10a to the fourth fixing plate 10d, and such an arrangement of the cams is repeatedly arranged.

Thus, by changing the position of the cam (21 ~ 29) to change the period and the movement distance of the vertical reciprocating movement of the vertical needle (6), thereby weaving the loops and yarns (ie boa) of various lengths Will be.

The circular knitting machine of the present invention configured as described above is a type of vertical needle 6 having one protrusion piece 11 or two vertical needles 6 having two protrusion pieces 11 as shown in FIGS. 5 to 6. Or according to the position of the protruding piece 11 formed on the vertical needle 6 (the position may be changed depending on the product to be woven such as the first position, the second position, and the third position). By simply tightening and loosening the movable cams 21a, 25a, 26a, 21b, 25b and 26b in the long holes 41 to 46, the cams can be easily adjusted. Therefore, by varying the form of the vertical reciprocating motion of the needle (6) in various types it is possible to weave different types of hair as shown in FIG.

The present invention can also be applied to the vertical needle 6a in which two protruding pieces are formed. That is, the protruding piece formed on the upper portion of the needle is such that the cam groove is applied only to the protruding piece 11 formed at the lower end of the needle 6 in a state not to be constrained to the cam groove, or vice versa. By forming the cam grooves in two upper and lower hierarchical layers so that the cam grooves act only on the protrusion pieces 11 formed on the top of the needle 6 in a state that the protrusion pieces are not constrained to the cam grooves, the vertical needle having one protrusion piece as well as It can also be applied to vertical needles with two protrusions.

Although the detailed description of the subject innovation has been described by taking specific embodiments of the subject innovation as an example, it is a matter of course to be modified or changed in various forms within the scope not departing from the concept of the subject innovation is included in the concept of the subject innovation .

As described above, the present invention has a fixing plate capable of fixing the cam holder without fastening the cam directly to the cam holder, which enables the cams to be fixed, and at the same time, the vertical cams are provided with vertical and inclined holes. Since the positions of the cams can be changed freely without being separated on the holder and the cam holder fixing plate, the reciprocating motion of the vertical needle can be made in a variety of patterns, so that the height of the loop and cutting can be freed. It is a very useful design that can be produced using a single circular knitting machine.

Claims (2)

The cylindrical groove is formed by a pair of horizontal and vertical needle cylinders and horizontal cams and vertical cams each having a predetermined number of needle groups fixed to the horizontal needle cam fixing plate and the vertical needle cam fixing plate according to the type of fabric produced. (11) In the circular knitting machine for weaving the woolen fabric while reciprocating in (11) The vertical needle cam fixing plate is not directly coupled to a group of vertical cams 21 to 29, and the cam holders 31 to 36, which are intermediate connecting members, are inserted into and installed on the cam holder fixing plates 10a to 10d. The cam holder fixing plate 10a is provided with the same length holes 41 to 46 through the cam holder fixing plates 10a to 10d and the cam holders 31 to 36 to be fastened to the cams 21 to 29. ˜10d) and formed on the cam holders 31 to 36 so as to be fastened and disassembled by bolts, Positions of the first movable cam 21, the second movable cam 25, and the third movable cam 26 among the group of cams 21 to 29 are respectively fixed cams 22, 23, and 24. The needle cam of the circular knitting machine characterized in that it is easy to change the position relative to the (27) (28) and (29), so that the period and the movement distance of the vertical needle (6) can be easily changed. Holder and cam holder fixing plate. The method of claim 1, The long holes 41 to 46 have a first vertical long hole 41 formed vertically long in the first cam holder 31, and a 45 ° angle at which the upper right end of the third cam holder 33 is higher than the lower end of the opposite side. The first inclined hole 42 and the second inclined long hole 43 formed to be inclined, the second vertical long hole 44 formed long in the fourth cam holder 34 up and down, and the sixth cam holder 36. The upper right portion is formed of a third inclined long hole 45 and the fourth inclined long hole 46 formed to be inclined at an angle of 45 degrees higher than the lower lower side, When the second movable cam 25 is adjusted along the longitudinal direction of the first inclined long hole 42, the third movable cam 26 movable along the longitudinal direction of the second inclined long hole is operated by the second movable cam 25. Needle cam holder and cam holder fixing plate of the circular knitting machine, characterized in that the clearance between the cam 25 and the mutually adjacent to each other can be kept constant.