Pneumatic scissors for double-cylinder hosiery knitting machine

Abstract

The present invention provides a pneumatic scissors for a double-needle cylinder hosiery machine, and relates to the technical field of hosiery equipment. The pneumatic scissors for the double-needle cylinder hosiery machine include a main body seat, a scissor blade track plate is installed at the left end of the main body seat, a plurality of scissor blade guards are installed in the left end groove of the scissor blade track plate, an elastic clip is installed at the left end of the scissor blade guard, a scissor blade is installed at the left end of the elastic clip, a scissor blade is installed at the left end of the scissor blade, a scissor blade pressure plate is installed at the left end of the scissor blade, a lever plate fixed shaft is installed at the front end of the main body seat, and the rear end of the lever plate fixed shaft penetrates the main body seat and is threadedly connected with a fixed shaft thread sleeve. The present invention provides multiple thread cutting positions and is driven by a two-way cylinder. It has a quick response and strong force, and can meet the needs of cutting threads of various thicknesses. After the thread is cut, the thread head can be pressed to prevent it from falling off, and the thread pressing block can be automatically pressed and released, and the thread slag can be automatically cleaned with air blowing, which greatly improves the performance and reliability.

Description

Technical Field

[0001] The invention relates to the technical field of hosiery knitting equipment, in particular to a pneumatic scissors of a double-needle cylinder hosiery knitting machine. Background Art

[0002] The hosiery machine uses a shuttle to guide the fabric to the needle cylinder to knit socks. During the weaving process of socks, it is necessary to select or use fabrics alternately. Generally, scissors are used to cut the fabric being woven for later use, and other fixed spare fabrics are guided to the needle cylinder to continue weaving.

[0003] The power system of the cutting mechanism of the existing hosiery knitting machine is not perfect. After long-term use, it may become unresponsive and have poor cutting force. In addition, after the cutting of the yarn is completed, the thread ends are easy to fall off and need to be guided again, resulting in poor overall device performance and affecting efficiency. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a pneumatic scissors for a double-needle hosiery machine, which solves the problem that the power system of the current cutting mechanism is not perfect, thread ends are easily lost after cutting, resulting in poor device performance and low reliability.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a pneumatic scissors for a double-needle hosiery machine, comprising a main body seat, a scissor blade track plate is installed at the left end of the main body seat, a plurality of scissor blade guards are installed in the left end groove of the scissor blade track plate, an elastic clip is installed at the left end of the scissor blade guard, a scissor blade is installed at the left end of the elastic clip, a scissor blade is installed at the left end of the scissor blade, a scissor blade pressure plate is installed at the left end of the scissor blade, a lever plate fixed shaft is installed at the front end of the main body seat, the rear end of the lever plate fixed shaft passes through the main body seat and is threadedly connected to a fixed shaft threaded sleeve, the A plurality of lever plates are rotatably connected to the middle part of the shaft body of the lever plate fixing shaft, a cylinder body is installed at the rear end of the main seat by screws, a plurality of cylinder pistons are arranged in the cylinder hole of the cylinder body, the right end of the lever plate is respectively arranged in the outer diameter top groove of the corresponding cylinder piston, a two-way sealing ring is arranged in the outer diameter bottom annular groove of the cylinder piston, a cover plate is installed at the bottom end of the cylinder body by the first screw, a plurality of first air pipe joints are threadedly connected to the upper side wall of the cylinder body, and a plurality of second air pipe joints are threadedly connected to the lower side wall of the cylinder body.

[0006] Preferably, fixing holes are provided on both sides of the scissor blade pressure plate and the scissor blade track plate, and the scissor blade pressure plate and the scissor blade track plate are connected to the main body seat by flat head screws.

[0007] Preferably, the bottoms of the scissor blades and the scissor blade guards are provided with grooves, the lever plate is arranged in a Y shape and has a circular hole in the middle, the left end protrusion of the lever plate is arranged in the corresponding grooves of the scissor blades and the scissor blade guards, and the top end of the main body seat is provided with a limiting groove at the position corresponding to the lever plate, and the first eccentric shaft is threadedly connected to the right side of the front end of the main body seat.

[0008] Preferably, a multi-piece sealing ring is disposed at the top of the cover plate corresponding to the lower portion of the cylinder piston, and a plurality of sealing rings are installed on the inner wall of the cylinder hole of the cylinder body.

[0009] Preferably, a positioning guide seat is installed on the top of the cylinder body through a second screw, and a plurality of elastic force adjustment screws are threadedly connected to the right end of the positioning guide seat, and the left ends of the elastic force adjustment screws are fixedly connected to springs, and the left ends of the springs are fixedly connected to soft rubber pressure block fixing shafts, and the top protrusion of the lever plate is arranged in the middle groove of the shaft body of the soft rubber pressure block fixing shaft, and the left end of the soft rubber pressure block fixing shaft is installed with a soft rubber pressure block.

[0010] Preferably, a soft-glue pressure block cover is installed on the left side of the top of the main seat through a pressure block cover screw, and a steel wire is installed on the rear of the top of the soft-glue pressure block cover through a steel wire fixing screw, and a protrusion is provided on the top of the steel wire.

[0011] Preferably, second clamping screws are installed on both sides of the top of the main body seat, first clamping screws are installed on both sides of the right end of the main body seat, third clamping screws are installed on both sides of the top of the positioning guide seat, and the second eccentric shaft is threadedly connected to the right side of the front end of the positioning guide seat.

[0012] Preferably, a shield is installed on the top of the positioning guide seat through a shield screw, and a protrusion is provided on the top of the left end of the shield.

[0013] Working principle: air is taken in through the trachea joint and air is released from the trachea joint. Under the action of air pressure, the cylinder piston moves downward, and the rectangular notch of the cylinder piston pulls one end of the lever plate to rotate clockwise. According to the lever principle, the other two ends of the lever plate also rotate, one of which pushes the scissor blade and the scissor blade guard to move upward, and the other end pushes the fixed shaft of the soft rubber pressure block to move backward with the soft rubber pressure block. The spring is compressed to open the scissors. Air is taken in through the trachea joint and air is released from the trachea joint. Under the action of air pressure, the cylinder piston moves upward, and the rectangular notch of the cylinder piston pulls one end of the lever plate to rotate counterclockwise. According to the lever principle, the other two ends of the lever plate also rotate, one of which pushes the scissor blade and the scissor blade guard to move downward, and the other end loses the thrust on the fixed shaft of the soft rubber pressure block. Under the action of the spring elastic force, the fixed shaft of the soft rubber pressure block is pushed to move forward with the soft rubber pressure block, pressing on the scissor blade guard that has just fallen back, pressing the thread end tightly so that it does not fall off, thereby realizing the thread cutting of the scissors.

[0014] The present invention provides a pneumatic scissors for a double-cylinder hosiery knitting machine. The pneumatic scissors have the following beneficial effects:

[0015] The present invention takes in air through the trachea joint and deflates the trachea joint. Under the action of air pressure, the cylinder piston moves downward, and the rectangular notch of the cylinder piston pulls one end of the lever plate to make the lever plate rotate clockwise. According to the lever principle, the other two ends of the lever plate also make rotational motion, one end of which pushes the scissor blade and the scissor blade guard to move upward, and the other end pushes the fixed shaft of the soft rubber pressing block to move backward with the soft rubber pressing block, and the spring is compressed to realize the opening of the scissors. Air is taken in through the trachea joint and deflated. Under the action of air pressure, the cylinder piston moves upward, and the rectangular notch of the cylinder piston pulls one end of the lever plate to make the lever plate rotate counterclockwise. According to the lever principle, the lever The other two ends of the plate also make rotational motion, one of which pushes the scissor blade and the scissor blade guard to move downward, and the other end loses the thrust on the fixed axis of the soft rubber pressing block, and pushes the fixed axis of the soft rubber pressing block with the soft rubber pressing block under the action of the spring elastic force to move forward, pressing on the scissor blade guard that has just fallen back, pressing the thread end tightly to prevent it from falling, and realizing the thread cutting of the scissors. The scissors are small in size, provide multiple thread cutting positions, are driven by a two-way cylinder, respond quickly, and have great strength, so as to meet the needs of cutting various thicknesses of threads. After the thread is cut, the thread end can be pressed to prevent it from falling, and the automatic pressing and releasing of the thread pressing block can be realized, and the thread slag can be automatically cleaned with air blowing, which greatly improves the performance and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 An exploded view of the present invention;

[0017] Figure 2 It is a right side stereogram of the present invention;

[0018] Figure 3 It is a left side stereogram of the present invention;

[0019] Figure 4 It is a schematic diagram of the elastic clip structure of the present invention;

[0020] Figure 5 It is a schematic diagram of the scissor blade guard structure of the present invention;

[0021] Figure 6 It is a schematic diagram of the structure of the scissor blade track plate of the present invention;

[0022] Figure 7 It is a schematic diagram of the lever plate fixed shaft structure of the present invention;

[0023] Figure 8 This is a schematic diagram of the structure of the fixed shaft threaded sleeve of the present invention;

[0024] Fig. 9 It is a schematic diagram of the structure of the first eccentric shaft of the present invention;

[0025] Fig.10 It is a schematic diagram of the structure of the lever plate of the present invention;

[0026] Fig.11 It is a schematic diagram of the cylinder body structure of the present invention;

[0027] Fig.12 It is a schematic diagram of the cylinder piston structure of the present invention;

[0028] Fig.13 It is a schematic diagram of the structure of a multi-connected sealing ring of the present invention;

[0029] Fig.14 It is a schematic diagram of the cover plate structure of the present invention;

[0030] Fig.15 It is a schematic diagram of the steel wire structure of the present invention;

[0031] Fig.16 This is a schematic diagram of the soft glue pressing block cover plate structure of the present invention;

[0032] Fig.17 It is a schematic diagram of the soft glue pressing block structure of the present invention;

[0033] Fig.18 This is a schematic diagram of the fixed axis structure of the soft rubber pressing block of the present invention;

[0034] Fig.19 It is a schematic diagram of the structure of the positioning guide seat of the present invention;

[0035] Fig. 20 It is a schematic diagram of the structure of the main base of the present invention;

[0036] Fig.21 It is a schematic diagram of the structure of the shield of the present invention;

[0037] Fig. 22 It is a schematic diagram of the structure of the scissor blade pressing plate of the present invention;

[0038] Fig.23 It is a schematic diagram of the structure of the scissors blades of the present invention.

[0039] Among them, 1. Flat head screw; 2. Scissor blade pressure plate; 3. Scissor blade; 4. Elastic clip; 5. Scissor blade guard; 6. Scissor blade track plate; 7. Lever plate fixed shaft; 8. Fixed shaft threaded sleeve; 9. First eccentric shaft; 10. Screw; 11. First clamping screw; 12. First air pipe joint; 13. Lever plate; 14. Second air pipe joint; 15. Cylinder body; 16. Sealing ring; 17. Cylinder piston; 18. Bidirectional sealing ring; 19. Multi-connection Body sealing ring; 20, cover plate; 21, first screw; 22, steel wire; 23, steel wire fixing screw; 24, pressure block cover plate screw; 25, soft rubber pressure block cover plate; 26, soft rubber pressure block; 27, soft rubber pressure block fixing shaft; 28, spring; 29, positioning guide seat; 30, second clamping screw; 31, main body seat; 32, third clamping screw; 33, second eccentric shaft; 34, elastic adjustment screw; 35, second screw; 36, shield screw; 37, shield. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Example:

[0042] like Figure 1-23As shown, the embodiment of the present invention provides a pneumatic scissors for a double-needle hosiery machine, including a main body seat 31, a scissor blade track plate 6 is installed at the left end of the main body seat 31, a plurality of scissor blade guards 5 are installed in the left end groove of the scissor blade track plate 6, an elastic clip 4 is installed at the left end of the scissor blade guard 5, a scissor blade 3 is installed at the left end of the elastic clip 4, a scissor blade pressing plate 2 is installed at the left end of the scissor blade 3, a lever plate fixing shaft 7 is installed at the front end of the main body seat 31, the rear end of the lever plate fixing shaft 7 passes through the main body seat 31 and is threadedly connected to a fixing shaft threaded sleeve 8, and the shaft of the lever plate fixing shaft 7 is A plurality of lever plates 13 are rotatably connected to the middle of the body, a cylinder body 15 is installed at the rear end of the main body seat 31 by means of screws 10, a plurality of cylinder pistons 17 are arranged in the cylinder hole of the cylinder body 15, the right ends of the lever plates 13 are respectively arranged in the outer diameter top grooves of the corresponding cylinder pistons 17, and a bidirectional sealing ring 18 is arranged in the outer diameter bottom annular grooves of the cylinder pistons 17, a cover plate 20 is installed at the bottom end of the cylinder body 15 by means of a first screw 21, a plurality of first air pipe joints 12 are threadedly connected to the upper side wall of the cylinder body 15, and a plurality of first air pipe joints 12 are threadedly connected to the lower side wall of the cylinder body 15 A plurality of second tracheal joints 14 are connected, air is introduced through the tracheal joint 12, and air is released from the tracheal joint 14. Under the action of air pressure, the cylinder piston 17 moves downward, and the rectangular notch of the cylinder piston 17 pulls one end of the lever plate 13 to rotate the lever plate 13 clockwise. According to the lever principle, the other two ends of the lever plate 13 also rotate, one end of which pushes the scissor blade 3 and the scissor blade guard 5 to move upward, and the other end pushes the soft rubber pressing block fixed shaft 27 to move backward with the soft rubber pressing block 26, and the spring 28 is compressed to realize the opening of the scissors, and air is introduced through the tracheal joint 14. The tracheal joint 12 deflates, and under the action of air pressure, the cylinder piston 17 moves upward, and the rectangular notch of the cylinder piston 17 pulls one end of the lever plate 13, causing the lever plate 13 to rotate counterclockwise. According to the lever principle, the other two ends of the lever plate 13 also rotate, one of which pushes the scissor blade 3 and the scissor blade guard 5 to move downward, and the other end loses the thrust on the soft rubber pressing block fixed shaft 27. Under the elastic force of the spring 28, the soft rubber pressing block fixed shaft 27 is pushed to move forward with the soft rubber pressing block 26, pressing on the scissor blade guard 5 that has just fallen back, pressing the thread end tightly so that it does not fall off, thereby realizing the thread cutting of the scissors.

[0043] Fixing holes are provided on both sides of the scissor blade pressure plate 2 and the scissor blade track plate 6. The scissor blade pressure plate 2 and the scissor blade track plate 6 are connected to the main body seat 31 through a flat head screw 1. The scissor blade 3, the elastic clip 4, and the scissor blade guard 5 can be compactly installed between the scissor blade pressure plate 2 and the scissor blade track plate 6 through the flat head screw 1. The scissor blade 3, the elastic clip 4, and the scissor blade guard 5 are small in size and compact in structure. The elastic clip 4 is comb-tooth-shaped, which helps to position the positioning line.

[0044] The bottom of the scissor blade 3 and the scissor blade guard 5 are both provided with grooves, the lever plate 13 is set in a Y shape and a circular hole is set in the middle, the left end protrusion of the lever plate 13 is set in the corresponding groove of the scissor blade 3 and the scissor blade guard 5, the scissor blade 3 is a flat strip structure, the upper bevel notch, the upper edge of the bevel notch is a sharp edge used to cooperate with the scissor blade pressure plate 2 to cut the line, the lower rectangular groove cooperates with the lever plate 13 to slide up and down, and plays the role of cutting the line. The top of the main body seat 31 is provided with a limiting groove at the position corresponding to the lever plate 13, and the first eccentric shaft 9 is threadedly connected to the right side of the front end of the main body seat 31. The eccentric shaft 9 is a cylindrical structure, which is the limit stop shaft for the rotation of the lever plate 13. The two end cylinders are large and concentric, one end has a thread and a straight groove, the middle section cylinder is small and eccentric relative to the two end cylinders, and the straight groove is rotated to adjust the eccentricity to provide different limit positions for the lever plate 13.

[0045] A multi-piece sealing ring 19 is disposed at the top of the cover plate 20 corresponding to the bottom of the cylinder piston 17, and a plurality of sealing rings 16 are installed on the inner wall of the cylinder hole of the cylinder body 15, so that the sealing performance of the cylinder body 15 is improved through the multiple sealing structures.

[0046] A positioning guide seat 29 is installed at the top of the cylinder body 15 through a second screw 35, and a plurality of elastic force adjustment screws 34 are threadedly connected to the right end of the positioning guide seat 29, and the left ends of the elastic force adjustment screws 34 are fixedly connected to the springs 28, and the left ends of the springs 28 are fixedly connected to the soft rubber pressure block fixing shaft 27. The top protrusion of the lever plate 13 is arranged in the middle groove of the shaft body of the soft rubber pressure block fixing shaft 27, and the left end of the soft rubber pressure block fixing shaft 27 is installed with a soft rubber pressure block 26. The head diameter of the soft rubber pressure block fixing shaft 27 is small and has a barbed ring, so it is not easy to fall off after the soft rubber pressure block 26 is installed.

[0047] A soft rubber pressing block cover 25 is installed on the left side of the top end of the main seat 31 through a pressing block cover screw 24, and a steel wire 22 is installed on the rear of the top end of the soft rubber pressing block cover 25 through a steel wire fixing screw 23. The top of the steel wire 22 is provided with a warp, and the front end of the soft rubber pressing block cover 25 is bent, and the inclined bevel of the bend echoes the oblique upward warped end of the head section of the steel wire 22, forming an eight-shaped trumpet shape, which helps the line to smoothly enter the position between the soft rubber pressing block cover 25 and the steel wire 22.

[0048] The second clamping screws 30 are installed on both sides of the top of the main body seat 31, the first clamping screws 11 are installed on both sides of the right end of the main body seat 31, the third clamping screws 32 are installed on both sides of the top of the positioning guide seat 29, and the second eccentric shaft 33 is threadedly connected to the right side of the front end of the positioning guide seat 29.

[0049] A shield 37 is installed on the top of the positioning guide seat 29 through a shield screw 36. A protrusion is provided on the top of the left end of the shield 37 to shield the cylinder head from dust.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pneumatic scissors for a double-cylinder hosiery machine, comprising a main body seat (31), characterized in that: A scissor blade track plate (6) is installed at the left end of the main body seat (31), a plurality of scissor blade guard plates (5) are installed in the left end groove of the scissor blade track plate (6), an elastic clip plate (4) is installed at the left end of the scissor blade guard plate (5), a scissor blade (3) is installed at the left end of the elastic clip plate (4), a scissor blade (3) is installed at the left end of the scissor blade (3), a scissor blade pressure plate (2) is installed at the left end of the scissor blade (3), a lever plate fixing shaft (7) is installed at the front end of the main body seat (31), a rear end of the lever plate fixing shaft (7) passes through the main body seat (31) and is threadedly connected to a fixing shaft threaded sleeve (8), a middle part of the shaft body of the lever plate fixing shaft (7) is rotatably connected to a plurality of lever plates (13), and the main body seat (31) is provided with a plurality of scissor blades (13) and a plurality of scissor blades (13) are provided. A cylinder body (15) is mounted on the rear end of the seat (31) by means of screws (10), a plurality of cylinder pistons (17) are arranged in the cylinder hole of the cylinder body (15), the right ends of the lever plates (13) are respectively arranged in the outer diameter top grooves of the corresponding cylinder pistons (17), a bidirectional sealing ring (18) is arranged in the outer diameter bottom annular grooves of the cylinder pistons (17), a cover plate (20) is mounted on the bottom end of the cylinder body (15) by means of first screws (21), a plurality of first air pipe joints (12) are threadedly connected to the upper side wall of the cylinder body (15), and a plurality of second air pipe joints (14) are threadedly connected to the lower side wall of the cylinder body (15); The bottoms of the scissor blade (3) and the scissor blade guard (5) are both provided with grooves, the lever plate (13) is provided in a Y shape and has a circular hole in the middle, the left end protrusion of the lever plate (13) is provided in the corresponding grooves of the scissor blade (3) and the scissor blade guard (5), the top end of the main body seat (31) is provided with a limiting groove at a position corresponding to the lever plate (13), and the front end right side of the main body seat (31) is threadedly connected with a first eccentric shaft (9); A positioning guide seat (29) is installed at the top end of the cylinder body (15) via a second screw (35); a plurality of elastic force adjustment screws (34) are threadedly connected to the right end of the positioning guide seat (29); a spring (28) is fixedly connected to the left end of each elastic force adjustment screw (34); a soft rubber pressure block fixing shaft (27) is fixedly connected to the left end of each spring (28); a top protrusion of the lever plate (13) is arranged in a groove in the middle of the shaft body of the soft rubber pressure block fixing shaft (27); and a soft rubber pressure block (26) is installed at the left end of each soft rubber pressure block fixing shaft (27).

2. The pneumatic scissors for a double-cylinder hosiery knitting machine according to claim 1, characterized in that: Both sides of the scissor blade pressure plate (2) and the scissor blade track plate (6) are provided with fixing holes, and the scissor blade pressure plate (2) and the scissor blade track plate (6) are connected to the main body seat (31) via a slotted flat head screw (1).

3. The pneumatic scissors for a double-cylinder hosiery knitting machine according to claim 1, characterized in that: A plurality of connected sealing rings (19) are provided at the top of the cover plate (20) corresponding to the bottom of the cylinder piston (17), and a plurality of sealing rings (16) are installed on the inner wall of the cylinder hole of the cylinder body (15).

4. The pneumatic scissors for a double-cylinder hosiery knitting machine according to claim 1, characterized in that: A soft rubber pressing block cover plate (25) is installed on the left side of the top end of the main body seat (31) via a pressing block cover plate screw (24), and a steel wire (22) is installed at the rear of the top end of the soft rubber pressing block cover plate (25) via a steel wire fixing screw (23), and a protrusion is provided at the top of the steel wire (22).

5. The pneumatic scissors for a double-cylinder hosiery knitting machine according to claim 1, characterized in that: Second clamping screws (30) are installed on both sides of the top end of the main body seat (31), first clamping screws (11) are installed on both sides of the right end of the main body seat (31), third clamping screws (32) are installed on both sides of the top end of the positioning guide seat (29), and a second eccentric shaft (33) is threadedly connected to the right side of the front end of the positioning guide seat (29).

6. The pneumatic scissors for a double-cylinder hosiery knitting machine according to claim 1, characterized in that: A shield (37) is mounted on the top of the positioning guide seat (29) via a shield screw (36), and a protrusion is provided on the top of the left end of the shield (37).

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