KR200267067Y1 - A weaving machine for weaving a loop at both sides of textiles - Google Patents

Abstract

The present invention relates to a knitting machine in which loops are respectively woven on both sides (inside and outside) of the annular knit fabric.

The present invention provides a cylinder in which a needle group vertically inserted onto a bed supported by an arm is inserted and disposed, a plurality of lower cams for vertically moving a needle group vertically inserted into an outer circumference of the cylinder, and the lower cam A cylindrical body to be supported, a dial cam holder provided on the upper outer side of the cylinder, a sinker cam fixed to the dial cam holder, and a needle mounted to the sinker cam horizontally and horizontally fitted to the cylinder, The sinker pin is disposed on the inner circumferential surface so as to be rotated in conjunction with the rotation of the cylinder, and at the same time, when the outer loop woven on the outer side of the knitted fabric weaves the inner loop, the sinker pin is prevented from being drawn into the second receiving groove containing the inner loop yarn. Since the loop yarn drag prevention means is provided opposite the distal end, the outer loop sinks when forming the inner loop. The plate of the anti-traction means can be prevented from being drawn into the second receiving groove of the pin to improve the quality of the knitted fabric, and the loops can be easily formed on both sides of the knitted fabric.

Description

Knitting machines for knitting loops on both sides of the fabric {A WEAVING MACHINE FOR WEAVING A LOOP AT BOTH SIDES OF TEXTILES}

The present invention relates to a knitting machine capable of weaving loops on both sides (inside and outside) of an annular knit fabric.

Conventionally, this kind of knitting machine is disclosed in Korean Utility Model Publication No. 95-3316. As shown in FIG. 1, the knitting machine disclosed in Publication No. 95-3316 has a plurality of needle grooves 1a extending in the axial direction in a line in a circular shape around the outer periphery of the cylinder 1, wherein The needle groove 1a houses a cylinder needle 2 which is free to move in the vertical direction. The cylinder needle 2 is formed integrally with a bat 2a.

The dial needle 3 which cooperates with the said cylinder needle 2 at the time of knitting is arrange | positioned in the horizontal direction, and is free to slip in the radial direction in the dial 4.

The cylinder 1 is rotatably received in the bed 5 and fixed to the drive gear 6, and the dial 4 is connected to a needle dial hub 7.

The cylinder 1 and the dial 4 are typically rotated in accordance with the drive of a drive source, and at least one control cam for operating or controlling the knitting needle 2 on the cam holder 8 opposite to the cylinder 1 9) is installed.

The cam holder 8 is attached on a cam ring 10, and the dial cam holder 11 is attached on a dial cam hub 13.

By the way, the knitting machine configured as described above can form a loop on one side of the knitted fabric, but when trying to form loops on both sides of the knitted fabric, when the looping yarn formed on one side forms the loop on the opposite side, the loop yarn forming the opposite loop is accommodated. There was a problem that weed into the receiving groove of the dial needle to weave a poor knitted fabric.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a knitting machine which can easily form loops on both sides of the knitted fabric while improving the quality of the knitted fabric.

In order to achieve the above object, the present invention provides a cylinder in which a needle group vertically inserted on a bed supported by an arm is inserted and disposed, and a plurality of lower cams for vertically moving a needle group vertically inserted into an outer circumference of the cylinder. And a cylindrical body supporting the lower cam, a dial cam holder provided at an upper outer side of the cylinder, a sinker cam fixed to the dial cam holder, and horizontally fitted to the sinker cam. A knitting machine for weaving a knitted fabric in cooperation with a needle, wherein the inner circumferential surface of the cylinder is disposed to rotate in conjunction with the rotation of the cylinder, and at the same time, when the outer loop woven on the outer side of the knitted fabric weaves the inner loop, the inner loop yarn is accommodated. A lupe yarn dragging chamber facing the distal end of the sinker pin to prevent being drawn into the second receiving groove. It is characterized in that the support means is installed.

1 is a longitudinal sectional view showing the main part of a conventional knitting machine;

Figure 2 is a schematic partial longitudinal cross-sectional view of the knitting machine knitting the loops on both sides of the fabric according to an embodiment of the present invention,

3 is an enlarged cross-sectional view of portion A of FIG. 2;

4 is a partially enlarged view of the lower cam as viewed in the arrow P direction of FIG. 2;

5 is a partially enlarged view of the sinker cam viewed from the arrow Q direction of FIG. 2 after the support bracket plate is removed from FIG. 2;

FIG. 6 is an enlarged view of a portion B enlarged in FIG. 2;

7 is a view for explaining the arrangement relationship between the sinker pin and the needle in the knitting machine knitting the loops on both sides of the fabric according to an embodiment of the present invention.

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

100: arm 102: bed

102a: bottom plate 103: bottom cam

103a: upper lower cam 103b: lower lower cam

103c: space 110: cylinder

110a: receiving groove 113: needle

120: dial cam holder 121: sinker cam

121a: inner sinker cam 121b: outer sinker cam

121c: space part 123: fixing bolt

124: support bracket 130: sinker pin

132: bat 150: cylinder

152: crank 131: base body

133: tip 134: top nose

134a: outer loop yarn 135: middle

135a: File company 136: Habunoose

136a: inner loop yarn 137: second receiving groove

140: anti-traction means 141: first bracket

142: fixing bolt 143: second bracket

144: plate 144a: step

145: set screw 146: cylindrical support

147: ball bearing 154: transmission

156: operation panel 158: inverter

160: folding machine 170: power transmission device

172: drive motor 172a: rotary shaft

175: belt 174: drive pulley

176: first driven gear 176a: shaft

178: driven pulley 180: second driven gear

181: Gearbox 182: Support Gear

184: gear 186: support plate

188: Fixed bolt B1, B2, B3: Bearing

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

Figure 2 is a schematic longitudinal cross-sectional view of a knitting machine for knitting the loops on both sides of the fabric according to an embodiment of the present invention, Figure 3 is a cross-sectional view showing an enlarged portion A of Figure 2, Figure 4 is 5 is a partially enlarged view of the lower cam as viewed in the arrow P direction, and FIG. 5 is a partially enlarged view of the sinker cam as seen in the arrow Q direction of FIG. 2 after the support bracket plate is removed in FIG. 2, and FIG. 6 is B in FIG. 2. 7 is an enlarged view showing an enlarged portion, and FIG. 7 is a view illustrating an arrangement relationship between a sinker pin and a needle in a knitting machine for knitting a loop on both sides of a fabric according to an embodiment of the present invention.

2 to 7 is a knitting machine for knitting the loops on both sides according to an embodiment of the present invention is inserted into the needle 113 group vertically fitted on the bed 102 supported by the arm 100 The disposed cylinder 110 is provided, and a plurality of lower cams 103 are arranged on the outer circumference of the cylinder 110 for vertically moving the group of needles 113 vertically fitted. The lower cam 103 is fixed to the cylindrical body 150 fixed by the bolt not shown in the support bracket 124, the needle 113 is a cylindrical body 150 for supporting the lower cam 103 The upper projection length is adjusted by the crank 152 is installed in.

In addition, the lower cam 103 for moving the needle 113 up and down in the upper and lower directions is the upper lower cam 103a, the lower lower cam 103b, and the upper lower cam (as shown in FIG. 4). It consists of the space part 103c formed between 103a) and the lower lower cam 103b.

In addition, a group of sinker pins 130 horizontally fitted to the sinker cam 121 fixed to the dial cam holder 120 is disposed radially opposite to the needle 113 at an upper outer side of the cylinder 110.

In other words, the sinker cam 121 allows the sinker pin 130 to wander in a horizontal direction (left and right in FIG. 2) as the cylinder 110 rotates, and is fixed to the dial cam holder 120. The dial cam holder 120 is fixed to the support bracket 124 by a fixing bolt 123.

In the above description, the sinker cam 121 is composed of the inner and outer sinker cams 121a and 121b so that the sinker pin 130 emerges while drawing a specific track in the horizontal direction, as shown in FIG. A space portion 121c is formed between the sinker cam 121a and the outer sinker cam 121b to accommodate the bat 131 of the sinker pin 130.

As shown in FIG. 7, the sinker pin 130 protrudes upward on the base body 131 and the proximal end of the base body 131 so as to be linked to the sinker cam 121 so as to be connected to the sinker pin 130. A tip 132 formed in front of the base body 131 to be inserted into the bat 132 and the receiving groove 110a formed in the cylinder 110 to prevent the vibration and shaking of the sinker pin 130 during weaving. 133, an upper nose 134 for forming an uppermost portion of the base body 131 and supporting the outer loop yarn 134a, and a first accommodating groove 135b to accommodate the pile yarn 135a. A second accommodating medium (135) formed at regular intervals from the loose (134) and the inner (NO) 135 and the lower (NO) 136 to accommodate the inner loop yarn (136a). The groove 137 is comprised.

An upper side of the cylinder 110 accommodates and supports the tip 133 of the sinker pin 130 to prevent shaking and vibration of the sinker pin 130 when the sinker pin 130 is in and out of the fabric. The groove 110a is formed, and the groove 110b for accommodating the needle 113 is formed on the outer circumferential surface of the cylinder 110.

In addition, the inner peripheral surface of the cylinder 110 is disposed to rotate in conjunction with the rotation of the cylinder 110 and at the same time the outer loop that is disposed opposite to the sinker pin 130 and woven on the outer side of the knitted fabric weaving the inner loop. The roof yarn drag preventing means 140 is prevented from being drawn into the second receiving groove 137 for receiving the inner loop yarn.

The loop yarn drag prevention means 140 includes a first bracket 141 coupled to the cylinder 110, a second bracket 143 fixed to the first bracket 141 by a fixing bolt 142, and A second accommodation housing the inner loop yarn when the outer loop which is disposed to rotate in association with the rotation of the cylinder 110 and is disposed opposite the sinker pin 130 and woven on the outer side of the knitted fabric weaves the inner loop; A plate 144 having a stepped portion 144a formed at a lower portion thereof to prevent being drawn into the groove 137 and a cylindrical support 146 which is simultaneously fixed by the fixing screw 145 and supported by the plate 144. And a ball bearing 147 disposed between the plate 144 and the first bracket 141 to rotatably support the plate 144 and the cylindrical support 146.

As shown in FIG. 6, the power transmission device 170 for rotating the cylinder 110 is installed in the bed 102 supported by the plurality of arms 100.

The power transmission device 170 includes a drive motor 172, a drive pulley 174 arranged on a rotation shaft 172a of the drive motor 172, a first driven gear 176, and the first driven gear ( A driven pulley 178 installed on the shaft 176a of the 176 and connected to the driving pulley 174 by a belt 175, and a second driven gear 180 meshed with the first driven gear 176. And a support gear 182 meshed with the speed increasing gear 181 coaxially installed on the second driven gear 180 and the support gear 182 on the inside to rotate the cylinder 110 at a constant speed in one direction. It consists of a gear frame 184 meshing with the gear formed in the cylinder 110 from the outside.

The first driven gear 176, the second driven gear 180, the accelerator gear 181, and the support gear 182 are rotatable on the support plate 186 via bearings B1, B2, and B3, respectively. The support plate 186 is fixed to the lower plate 102a of the bed 102 by a fixing bolt 188.

In the figure, reference numeral 154 denotes a transmission, 156 denotes an operation panel, 158 denotes an inverter, and 160 denotes a folding machine for folding the woven fabric in turn.

Next, the operation and effect of the knitting machine for knitting the loops on both sides of the fabric according to an embodiment of the present invention configured as described above will be described.

First, when the main switch installed on the operation panel 156 is switched on to drive a knitting machine, the driving motor 172 of the power transmission device 170 starts to be driven, and the driving force of the driving motor 172 is a rotating shaft. Since the driving pulley 174 installed at 172a is rotated, a driving force is transmitted to the driven pulley 178 through the belt 175 to drive the first driven gear 176.

Accordingly, since the second driven gear 180 engaged with the first driven gear 176 is rotationally driven, the speed increasing gear 181 coaxially installed on the second driven gear 180 rotates to increase the speed gear 181. The support gear 182 is engaged with the one side is rotated, and the gear frame 184 meshed with the support gear 182 is rotated as the support gear 182 is rotated, the outer side of the gear frame 184 A space portion formed between the inner sinker cam 121a and the outer sinker cam 121b by the batter 122a of the sinker pin 130 coupled to the sinker cam 121 while the engaged cylinder 110 rotates at a constant speed in one direction. The sinker pin 130 is moved forward and backward while passing through 121c.

At the same time, a group of needles 113 vertically fitted to the outer circumferential surface of the cylinder 110 installed on the bed 102 is formed by the upper lower cam 103a and the lower lower cam 103b formed on the plurality of lower cams 103. As the needle 113 is moved up and down while passing through the formed space portion 103c, the knitted fabric moves to the left and right sides (or both the inner and outer sides) about the pile yarn 135a and the inner loop yarn 136a and the outer loop yarn. The inner loop and the outer loop are knitted by 134a.

By the way, in the present invention, since the tip portion 133 of the sinker pin 130 is inserted in the receiving groove 110a formed in the cylinder 110, the vibration and shaking of the sinker pin 130 are prevented at the time of weaving. In addition to being flatly woven, an outer loop yarn 134a is supported on the upper nose 134 of the sinker pin 130 and formed by the upper nose 134 and the intermediate nose 135. The pile yarn 135a is accommodated in the first receiving groove 135b, and the inner loop yarn 136a is formed in the second receiving groove 137 formed between the intermediate nose 135 and the lower nose 136. Is formed on both sides of the outer loop inside the second accommodation groove 137 when the inner loop is formed of the inner loop yarn 136a which is inserted into the second receiving groove 137 of the sinker pin 130 even if both sides are knitted. The plate 144 of the anti-traction means 14 is provided on the front side (inner side) of the sinker pin 130 so that it is not attracted. Since it is arrange | positioned, a loop can be formed in the inside and the outer side of a knitted fabric, maintaining a fixed quality.

As described above, according to the knitting machine for knitting the loops on both sides of the fabric of the present invention, a cylinder in which a needle group vertically inserted on a bed supported by an arm is inserted and disposed, and a needle group vertically fitted in the outer circumference of the cylinder is provided. A plurality of lower cams for moving in the vertical direction, a cylindrical body supporting the lower cam, a dial cam holder provided on the upper outer side of the cylinder, a sinker cam fixed to the dial cam holder, and horizontally to the sinker cam. When the inner loop is woven in the cylinder, the needle installed in the cylinder and the inner circumferential surface of the cylinder are disposed to rotate in synchronization with the rotation of the cylinder. Rope yarn pulled against the distal end of the sinker pin to prevent being drawn into the receiving second receiving groove. Since the supporting means is provided, the plate of the anti-tracing means prevents the outer loop from being drawn into the second receiving groove of the sinker pin when forming the inner loop, and improves the quality of the knitted fabric, while also providing loops on both sides of the knitted fabric. It is an invented effect that can be easily formed.

Claims (3)

A cylinder 110 in which a group of needles 113 vertically fitted on the bed 102 supported by the arm 100 is inserted and disposed, and a group of needles 113 vertically fitted in the outer circumference of the cylinder 110 is placed up and down. A plurality of lower cams 103 for moving in a direction, a cylindrical body 15 for supporting the lower cams 103, a dial cam holder 120 and the dial cams provided on an upper outer side of the cylinder 110; In the knitting machine for weaving a knitted fabric in cooperation with the needle 113 installed in the sinker cam 121 and the sinker cam 121 horizontally and fixed to the holder 120, the cylinder 110, , The second accommodation groove (2) for accommodating the inner loop yarn when the outer loop woven on the inner circumference of the cylinder 110 is disposed to rotate in conjunction with the rotation of the cylinder 110 and the outer loop woven on the outer side of the knitted fabric ( 137) Knitting machine for knitting the loops on both sides, characterized in that the lupe yarn anti-traction means (14) is provided opposite the distal end of the sinker pin (130) to prevent being drawn into. According to claim 1, The loop yarn drag prevention means 140 is the first bracket 141 is coupled to the cylinder 110, and the second fixed to the first bracket 141 by a fixing bolt 142 When the outer loop which is disposed to be rotated in conjunction with the bracket 143 and the cylinder 110 and rotates at the same time and is disposed to face the sinker pin 130 and woven on the outer side of the knitted fabric, the inner loop yarn, the inner loop yarn And a plate 144 having a stepped portion 144a formed at a lower portion thereof to prevent being drawn into the receiving groove 110a for accommodating the plate 144a, and the plate 144 is fixedly coupled by a fixing screw 145 to the plate 144. It is composed of a cylindrical support 146 for supporting) and a ball bearing 147 disposed between the plate 144 and the first bracket 141 to rotatably support the plate 144 and the cylindrical support 146. Knitting to knit loops on both sides characterized by having . According to claim 1, The cylinder 110 is rotated by the power transmission device 170 is installed in the interior of the bed 102 supported by a plurality of arms (100), The power transmission device 170 includes a drive motor 172, a drive pulley 174 arranged on a rotation shaft 172a of the drive motor 172, a first driven gear 176, and the first driven gear ( A driven pulley 178 installed on the shaft 176a of the 176 and connected to the driving pulley 174 by a belt 175, and a second driven gear 180 meshed with the first driven gear 176. And a support gear 182 meshed with the gear 181 coaxially installed on the second driven gear 180 at one side, and engaged with the support gear 182 inward to rotate the cylinder 110 at a constant speed in one direction. A knitting machine for knitting a loop on both sides, characterized by consisting of a gear frame 184 meshing with a gear formed on the cylinder 110 from the outside.