Improved transmission yarn feeding device applied to double-sided panty-hose machine

Abstract

The improved transmission yarn feeding device applied to the double-sided panty-hose machine comprises a driving mechanism, a yarn conveyor and a belt, the driving mechanism drives the yarn conveyor to rotate through the belt under the control of a PLC, a belt body tightness control mechanism is installed in the middle section of the belt, the belt body tightness control mechanism comprises a positioning steel sheet, a vertical sliding rod and a vertical sleeve, and the positioning steel sheet is connected with the vertical sliding rod. The upper section and the lower section of the positioning steel sheet are bent in a right-angle mode to form a transverse portion and a vertical portion, a long-strip-shaped through hole is cut in the middle of the transverse portion, a left vertical sliding rod and a right vertical sliding rod are movably connected in the long-strip-shaped through hole in series, the upper end of the left vertical sliding rod is movably connected with a first vertical sleeve in a sleeved mode to form a left clamping rod, and the lower end of the right vertical sliding rod is movably connected with a second vertical sleeve in a sleeved mode to form a right clamping rod. The upper end of the vertical sliding rod on the right side is movably connected with a second vertical sleeve in a sleeved mode to form a right clamping rod. The yarn feeding amount can be directly controlled through parameters, and the belt body tightness control mechanism can adjust the tightness of the belt, so that the transmission performance of the belt is more stable.

Description

Technical Field

[0001] The utility model relates to an improved transmission yarn feeding device used in a double-sided pantyhose machine, comprising a driving mechanism, a yarn feeding device and a belt. Background Art

[0002] At present, the transmission and feeding of yarn to the yarn feeder in the double-sided pantyhose machine is driven by the rotation of the machine table to drive the rotation of the mechanical gear, and the mechanical gear then drives the rotation of the yarn feeder through the transmission belt. The rotation of the yarn feeder can transmit the yarn to the weaving mechanism in the machine table. This mechanical gear transmission method has the problem of manually adjusting the gear size to control the yarn feeding amount in the actual application process, and due to the limitation of the size of the mechanical gear itself, the adjustable yarn feeding amount is also limited to a certain range. In addition, the existing transmission belt has the disadvantage of unstable operation during the transmission process. 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 transmission yarn feeding device applied to a double-sided pantyhose machine, which can realize a stepless speed change function and is not limited by the yarn feeding amount.

[0004] In order to solve the above technical problems, the utility model discloses an improved transmission yarn feeding device, including a driving mechanism, a yarn feeder, and a belt. The yarn feeder is fixedly installed on the outer ring yarn frame on the top of the machine by screws. The outer ring yarn frame on the top of the machine and the inner ring yarn frame on the top of the machine are both fastened to the upper end of the support frame by bolts. The bottom end of the support frame is fastened to the large tripod by bolts. The driving mechanism is fastened to the inner ring yarn frame on the top of the machine by bolts. The driving mechanism drives the yarn feeder to rotate through the belt under the control of the PLC, and the middle section of the belt is installed with a belt body tension control mechanism. The driving mechanism is specifically a servo motor. Since the servo motor has the characteristic of stepless speed change, the servo motor can directly control the amount of yarn fed through the parameter size under the control of the PLC.

[0005] As a further improvement of the present invention, the belt tension control mechanism includes a positioning steel sheet, a vertical slide bar, and a vertical sleeve. The upper and lower sections of the positioning steel sheet are bent at right angles to form a transverse portion and a vertical portion. A long strip through hole is cut in the middle of the transverse portion, and the long strip through hole passes through from the top surface of the transverse portion to the bottom surface of the transverse portion. Two left and right vertical slide bars are movably connected in series in the long strip through hole. The lower sections of the left vertical slide bar and the right vertical slide bar are both screwed with a limiting plate, and the bottom ends of the left vertical slide bar and the right vertical slide bar can be screwed with a nut, and the upper end of the left vertical slide bar is movably sleeved with a vertical sleeve one to form a left clamping rod, and the upper end of the right vertical slide bar is movably sleeved with a vertical sleeve two to form a right clamping rod.

[0006] Furthermore, the left clamping rod and the right clamping rod are symmetrically arranged, and the vertical sleeve 1 of the left clamping rod and the vertical sleeve 2 of the right clamping rod can be pressed tightly against the outer side of the belt. The belt body tension control mechanism can adjust the tension of the belt, making the transmission performance of the belt more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0008] Figure 1 It is a schematic diagram of the combined structure of the utility model when it is in an installed state;

[0009] Figure 2 This is a perspective view of the main structure of the belt body tension control mechanism of the utility model;

[0010] Figure 3 for Figure 2 Right view of .

[0011] In the figure: A1-big tripod, A2-support frame, B-servo motor, C-belt, D-yarn feeder, E1-positioning steel sheet, E11-bolt hole, E2-vertical slide rod, E21-limiting piece, E22-nut, E3-vertical sleeve. DETAILED DESCRIPTION

[0012] Figure 1 The utility model shows an improved transmission yarn feeding device, including a driving mechanism, a yarn feeder D, and a belt C. The yarn feeder D is fixedly installed on the outer ring yarn frame on the top of the machine by screws. The outer ring yarn frame on the top of the machine and the inner ring yarn frame on the top of the machine are fastened to the upper end of the support frame A2 by bolts. The bottom end of the support frame A2 is fastened to the large tripod A1 by bolts. The driving mechanism is fastened and installed on the inner ring yarn frame on the top of the machine by bolts. The driving mechanism drives the yarn feeder to rotate through the belt C under the control of the PLC. The middle section of the belt C is equipped with a belt body tension control mechanism. The driving mechanism is specifically a servo motor B. Since the servo motor B has the characteristic of stepless speed change, the servo motor B can directly control the size of the yarn feeding amount through the parameter size under the control of the PLC, which ultimately simplifies the yarn feeding process in the double-sided pantyhose machine, and the control of the yarn feeding amount is easier to operate.

[0013] As a further improvement of the utility model, Figure 2 , Figure 3As shown, the belt tension control mechanism includes a positioning steel sheet E1, a vertical slide bar E2, and a vertical sleeve E3. The upper section and the lower section of the positioning steel sheet E1 are bent at a right angle to form a transverse portion and a vertical portion. A long strip through hole is cut in the middle of the transverse portion, and the long strip through hole passes through from the top surface of the transverse portion to the bottom surface of the transverse portion. The left and right vertical slide bars E2 are movably connected in series in the long strip through hole. The lower sections of the left vertical slide bar and the right vertical slide bar are both screwed with a limiting piece E21. The bottom ends of the left vertical slide bar and the right vertical slide bar can be screwed with a nut E22. The upper end of the left vertical slide bar is movably sleeved with a vertical sleeve one to form a left clamping rod, and the upper end of the right vertical slide bar is movably sleeved with a vertical sleeve two to form a right clamping rod. Since the belt C will expand and contract due to the temperature in the working environment, the belt body tension control mechanism can adjust the tension of the belt C, so that the transmission performance of the belt C is more stable.

[0014] Furthermore, if Figure 2 As shown, two bolt holes E11 are drilled in the vertical portion of the positioning steel sheet E1, and the vertical portion of the positioning steel sheet E1 can be fastened to the upper end of the side wall of the support frame A2 by bolts.

[0015] Furthermore, if Figure 2 , Figure 3 As shown, the limiting piece E21 is located above the long strip through hole; and the nut E22 is located below the long strip through hole.

[0016] Furthermore, the left clamping rod and the right clamping rod are symmetrically arranged, and the vertical sleeve 1 of the left clamping rod and the vertical sleeve 2 of the right clamping rod can be pressed tightly against the outer side of the belt C. During the transmission operation of the belt C, the vertical sleeve 1 can rotate with the left clamping rod as the axis driven by the belt C, and the vertical sleeve 2 can rotate with the right clamping rod as the axis driven by the belt C.

Claims

1. An improved transmission yarn feeding device used in a double-sided pantyhose machine, comprising a driving mechanism, a yarn feeder (D), and a belt (C), wherein the yarn feeder (D) is fixedly mounted on an outer ring yarn rack on the top of the machine by screws, the outer ring yarn rack on the top of the machine and the inner ring yarn rack on the top of the machine are both fastened to the upper end of a support frame (A2) by bolts, the bottom end of the support frame (A2) is fastened to a large tripod (A1) by bolts, the driving mechanism is fastened to the inner ring yarn rack on the top of the machine by bolts, and the driving mechanism drives the yarn feeder (D) to rotate through the belt (C) under the control of a PLC, characterized in that: The middle section of the belt (C) is provided with a belt tension control mechanism, which comprises a positioning steel sheet (E1), a vertical slide bar (E2), and a vertical sleeve (E3). The upper section and the lower section of the positioning steel sheet (E1) are bent at a right angle to form a transverse portion and a vertical portion. A long strip through hole is cut in the middle of the transverse portion, and the long strip through hole runs through from the top surface of the transverse portion to the bottom surface of the transverse portion. Two left and right vertical slide bars (E2) are movably connected in series in the long strip through hole. The lower sections of the left vertical slide bar and the right vertical slide bar are both screwed with a limiting piece (E21). The bottom ends of the left vertical slide bar and the right vertical slide bar can be screwed with a nut (E22). The upper end of the left vertical slide bar is movably sleeved with a vertical sleeve one to form a left clamping rod, and the upper end of the right vertical slide bar is movably sleeved with a vertical sleeve two to form a right clamping rod.

2. The improved transmission yarn feeding device used in the double-sided pantyhose machine according to claim 1 is characterized in that: The driving mechanism is specifically a servo motor (B).

3. The improved transmission yarn feeding device used in the double-sided pantyhose machine according to claim 1 is characterized in that: Two bolt holes (E11) are drilled in the vertical portion of the positioning steel sheet (E1), and the vertical portion of the positioning steel sheet (E1) can be fastened to the upper end of the side wall of the support frame (A2) by bolts.

4. The improved transmission yarn feeding device used in the double-sided pantyhose machine according to claim 1 is characterized in that: The limiting piece (E21) is located above the long strip through hole, and the nut (E22) is located below the long strip through hole.

5. The improved transmission yarn feeding device used in the double-sided pantyhose machine according to claim 1 is characterized in that: The left clamping rod and the right clamping rod are symmetrically arranged, and the vertical sleeve 1 of the left clamping rod and the vertical sleeve 2 of the right clamping rod can be pressed tightly against the outer side surface of the belt (C).

Images