Improved yarn feeding device applied to double-sided medium circular knitting machine

Abstract

The utility model discloses an improved yarn feeding device applied to a double-sided medium circular knitting machine, which comprises an upper disc, a transverse knitting needle, a horse seat, a triangle, a lower needle cylinder, a vertical knitting needle and a saddle, and a pneumatic telescopic yarn feeding mechanism comprising a folding supporting warping plate, a hanging plate, an air cylinder and an inclined cylinder seat is arranged in the outer diameter direction of the top of the horse seat through bolts. One plate end of the folding supporting warped plate is fastened on the outer diameter side of the top of the horse seat through a bolt, the other plate end of the folding supporting warped plate is warped upwards and is fixedly connected with the hanging plate in a sleeved mode, an inclined cylinder seat is fastened at the lower plate end of the hanging plate through a bolt, an air cylinder is fastened at the inclined lower end of the inclined cylinder seat, and a piston rod of the air cylinder faces the weaving part. Due to the fact that a traditional fixed yarn feeding nozzle is replaced by the pneumatic telescopic yarn feeding mechanism, the pneumatic telescopic yarn feeding mechanism can be flexibly switched between a traditional common double-faced composite fabric weaving process and a process fabric weaving process meeting specific requirements, the weaving process is more flexible, and woven fabrics are richer and more diversified in cloth cover style.

Description

Technical Field

[0001] The utility model relates to an improved yarn feeding device applied to a double-sided circular knitting machine, comprising an upper disc, transverse knitting needles, a horse seat, a triangle, a lower needle cylinder, vertical knitting needles and a saddle. Background Art

[0002] The yarn feeding mouths of existing double-sided circular knitting machines are all fixed. The fabric woven by the weaving mechanism in this fixed yarn feeding method is a traditional double-sided composite fabric. The front and back sides of this traditional double-sided composite fabric are fixedly composited together and cannot be separated. When processing the collar, cuffs, crotch, trouser legs and other parts of the clothes and trousers made of this fabric, an additional processing process must be added, that is, the process of manually stitching two pieces of cloth together and sewing them. Summary of the invention

[0003] In view of the above-mentioned prior art, the technical problem to be solved by the utility model is to provide an improved yarn feeding device used in a double-sided circular knitting machine, which can not only process ordinary double-sided composite fabrics but also separate the front and back sides at any position of the fabric surface to process technical fabrics with specific requirements of a void in the middle.

[0004] In order to solve the above technical problems, the improved yarn feeding device of the utility model includes an upper plate, transverse knitting needles, a horse seat, a triangle, a lower needle cylinder, a vertical knitting needle, and a saddle. The upper surface of the upper plate is evenly distributed with transverse needle grooves in the radial direction, and the transverse knitting needles are placed flat in the transverse needle grooves. The horse seat is suspended above the upper plate. The bottom surface of the horse seat is installed with a first triangle for guiding the transverse knitting needles to perform transverse forward / retractive movements. The outer side surface of the lower needle cylinder is evenly distributed with vertical needle grooves, and the vertical knitting needles are placed in the vertical needle grooves. The saddle is installed on the periphery of the lower needle cylinder. The second triangle for guiding the vertical knitting needles to perform vertical lifting / lowering movements is installed on the surface of the saddle facing the lower needle cylinder. The transverse knitting needles and the vertical knitting needles are combined to form a knitting part. A pneumatic telescopic yarn feeding mechanism is installed in the outer diameter direction of the top of the horse seat through bolts. The yarn can approach or move away from the knitting part under the control of the pneumatic telescopic yarn feeding mechanism.

[0005] As a further improvement of the utility model, the pneumatic telescopic yarn feeding mechanism includes a folding support seesaw, a hanging plate, a cylinder, and an oblique cylinder seat. One plate end of the folding support seesaw is fastened to the outer diameter side of the top of the horse seat by bolts, and the other plate end of the folding support seesaw is tilted upward and is fastened and sleeved with the hanging plate. The lower plate end of the hanging plate is fastened with the oblique cylinder seat by bolts, and the oblique lower end of the oblique cylinder seat is fastened with the cylinder. The cylinder is in an inclined state, and the piston rod of the cylinder faces the weaving part, and the head end of the piston rod of the cylinder is fastened with the yarn feeding nozzle. The horse seat serves as a support seat for installing the folding support seesaw, the folding support seesaw serves as a support platform for installing the hanging plate, and the hanging plate serves as a suspension support plate for the cylinder.

[0006] As a further improvement of the utility model, a yarn guide ring is installed on the upper plate end of the hanging plate, and the yarn passes through the yarn guide ring and then continues to pass through the yarn feeding nozzle. The extension or retraction of the piston rod of the cylinder can control the yarn feeding nozzle to feed or not feed the yarn to the braided part. When the piston rod of the cylinder is extended, the yarn guided out from the yarn feeding nozzle can be fed to the braided part when it is close to the braided part.

[0007] Furthermore, the hanging plate is inclined at 30° to 60°. The hanging plate in the inclined state can be adjusted to have sufficient expansion and contraction space for the cylinder piston rod.

[0008] Furthermore, the inclination angle of the cylinder is 30° to 60°. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0010] Figure 1 It is a schematic diagram of the combined structure when the piston rod of the cylinder in the utility model is in an extended state;

[0011] Figure 2 It is a schematic diagram of the combined structure when the piston rod of the cylinder in the utility model is in a retracted state.

[0012] In the figure: A1-upper plate, A2-horizontal knitting needles, A3-saddle, A31-first triangle, B1-lower needle cylinder, B2-vertical knitting needles, B3-saddle, B31-second triangle, C1-folding support rocker, C2-hanging plate, C3-cylinder, C31-cylinder seat, D-yarn. DETAILED DESCRIPTION

[0013] Figure 1 , Figure 2The utility model shows an improved yarn feeding device, which includes an upper disk A1, transverse knitting needles A2, a horse seat A3, a triangle, a lower needle cylinder B1, a vertical knitting needle B2, and a saddle B3. The upper surface of the upper disk A1 is radially evenly distributed with transverse needle grooves, and the transverse knitting needles A2 are placed flat in the transverse needle grooves. The horse seat A3 is suspended above the upper disk A1. The bottom surface of the horse seat A3 is equipped with a first triangle A31 for guiding the transverse knitting needles A2 to perform transverse forward / retractive movements. The outer side surface of the lower needle cylinder B1 is evenly distributed with vertical needle grooves, and the vertical knitting needles B2 are placed in the vertical needle grooves. The saddle B3 is installed on the periphery of the lower needle cylinder B1, and a second triangle B31 for guiding the vertical knitting needles B2 to perform vertical lifting / lowering movements is installed on the surface of the saddle B3 facing the lower needle cylinder B1. The transverse knitting needles A2 and the vertical knitting needles B2 are combined to form a weaving part, and a pneumatic telescopic yarn feeding mechanism is installed in the outer diameter direction of the top of the horse seat A3 by bolts. Since the pneumatic telescopic yarn feeding mechanism replaces the traditional fixed yarn feeding nozzle, the pneumatic telescopic yarn feeding mechanism can flexibly switch between the traditional ordinary double-sided composite fabric weaving process and the process fabric weaving process with specific requirements under the control of PLC instructions. The weaving process is more flexible and the woven fabric surface styles are richer and more diverse.

[0014] In order to achieve the purpose of flexibly switching between the traditional ordinary double-sided composite fabric weaving process and the process fabric weaving process with specific requirements, the pneumatic telescopic yarn feeding mechanism includes a folding support seesaw C1, a hanging plate C2, a cylinder C3, and an inclined cylinder seat C31. One end of the folding support seesaw C1 is fastened to the outer diameter side of the top of the horse seat A3 by bolts, and the other end of the folding support seesaw C1 is tilted upward and is tightly sleeved with the hanging plate C2. Figure 1 , Figure 2 As shown, the hanging plate C2 is inclined at 45 degrees, the lower plate end of the hanging plate C2 is fastened with an inclined cylinder seat C31 by bolts, and the inclined lower end of the inclined cylinder seat C31 is fastened with a cylinder C3, and the cylinder C3 is in an inclined state, as shown in FIG. Figure 1 , Figure 2 As shown, the inclination angle of the cylinder C3 is 45°, the piston rod of the cylinder C3 faces the weaving part, and the head end of the piston rod of the cylinder C3 is fastened with a yarn feeding nozzle.

[0015] Furthermore, a yarn guide ring is installed on the upper plate end of the hanging plate C2, and the yarn D passes through the yarn guide ring and then continues to pass through the yarn feeding nozzle; Figure 1 As shown, when the piston rod of the cylinder C3 is extended, the yarn D guided out from the yarn feeding nozzle can be fed to the knitting part when it approaches the knitting part. At this time, the horizontal knitting needles A2 and the vertical knitting needles B2 of the knitting part are connected to knit an ordinary double-sided composite fabric, in which the front and back sides of the ordinary double-sided composite fabric are in an inseparable state.

[0016] like Figure 2As shown, when the piston rod of the cylinder C3 is retracted, the yarn D guided out from the yarn feeding nozzle is away from the weaving part, and the weaving part does not weave the yarn in this way. The yarn in this way is directly incorporated into the next way for normal weaving process, so that the front and back sides of the processed fabric can be separated from each other. This weaving process can separate the front and back sides at any position of the fabric surface to process a process fabric with specific requirements of a void in the middle, such as separating trouser legs, crotch and other fabrics. This weaving process saves the next manual secondary processing process of trouser legs, crotch, cuffs and collars.

Claims

1. An improved yarn feeding device for a double-sided circular knitting machine, comprising an upper disc (A1), transverse knitting needles (A2), a horse seat (A3), a cam, a lower needle cylinder (B1), a vertical knitting needle (B2), and a saddle (B3), wherein the upper surface of the upper disc (A1) is evenly distributed with transverse needle grooves in the radial direction, and the transverse knitting needles (A2) are placed flat in the transverse needle grooves, the horse seat (A3) is suspended above the upper disc (A1), and the bottom surface of the horse seat (A3) is provided with a thread for guiding the transverse knitting needles to move transversely. The first cam (A31) for the upward / retracting action is provided, the outer side surface of the lower needle cylinder (B1) is uniformly provided with vertical needle grooves, the vertical knitting needles (B2) are placed in the vertical needle grooves, the saddle (B3) is installed on the outer periphery of the lower needle cylinder (B1), and the second cam (B31) for guiding the vertical knitting needles (B2) to perform vertical lifting / lowering action is installed on the surface of the saddle (B3) facing the lower needle cylinder (B1), the horizontal knitting needles (A2) and the vertical knitting needles (B2) are combined to form a knitting part, characterized in that: A pneumatic telescopic yarn feeding mechanism is installed on the outer diameter direction of the top of the horse seat (A3) through bolts.

2. The improved yarn feeding device according to claim 1, characterized in that: The pneumatic telescopic yarn feeding mechanism comprises a folding support seesaw (C1), a hanging plate (C2), a cylinder (C3), and an oblique cylinder seat (C31). One plate end of the folding support seesaw (C1) is fastened to the outer diameter side of the top of the horse seat (A3) by bolts, and the other plate end of the folding support seesaw (C1) is tilted upward and is tightly sleeved with the hanging plate (C2). The lower plate end of the hanging plate (C2) is fastened with the oblique cylinder seat (C31) by bolts, and the oblique lower end of the oblique cylinder seat (C31) is fastened with the cylinder (C3). The cylinder (C3) is in an inclined state, and the piston rod of the cylinder (C3) faces the weaving part, and the head end of the piston rod of the cylinder (C3) is fastened with a yarn feeding nozzle.

3. The improved yarn feeding device according to claim 2, characterized in that: A yarn guide ring is installed on the upper plate end of the hanging plate (C2), and the yarn (D) passes through the yarn guide ring and then continues to pass through the yarn feeding nozzle. The extension or retraction of the piston rod of the cylinder (C3) can control the yarn feeding nozzle to feed the yarn (D) to the weaving part or not.

4. The improved yarn feeding device according to claim 2 or 3, characterized in that: The hanging plate (C2) is inclined at 30° to 60°.

5. The improved yarn feeding device according to claim 2 or 3, characterized in that: The inclination angle of the cylinder (C3) is 30° to 60°.

Images