Knitted fabric weft knitting machine capable of quantitatively releasing wefts

Abstract

The knitted fabric weft knitting machine comprises a weft knitting machine main body, a pay-off rack is arranged above the weft knitting machine main body, a connecting roller is arranged on the inner side of the pay-off rack, a connecting shaft is arranged at one end of the connecting roller, a rotating disc is arranged at the contact position of the connecting shaft and the connecting roller, and the rotating disc is connected with the connecting roller. A fluted disc is arranged on the back of the rotating disc, a first telescopic cavity is formed in the inner wall of the pay-off rack, a top block is arranged in the first telescopic cavity, an electric push rod is arranged in the first telescopic cavity, and the two ends of the electric push rod are fixedly connected with the pay-off rack and the top block correspondingly; according to the releasing and feeding structure of the weft knitting machine, the number of rotation turns of the rotary disc is measured through the detection strip and the infrared detection sensor, the weft releasing length is judged according to the number of rotation turns of the rotary disc, after the rotary disc rotates by a certain number, the rotary disc is locked through the ejector block and the fluted disc, weft releasing and feeding are stopped, the weft length is accurately controlled, quantitative weft releasing and feeding are achieved, and the weft knitting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of weft knitting machines, in particular to a weft knitting machine for knitted fabrics with quantitative weft delivery. Background Art

[0002] Weft knitting machine is a kind of knitting machine used to weft knitted fabrics. It feeds yarn into knitting needles along the weft direction, forms coils in sequence and strings them into knitted fabrics. Under the guidance of the machine, the yarn moves back and forth horizontally from one side to the other, and forms new knitted coils in coordination with the movement of the knitting needles. The weft insertion structure is used for weaving, and the weft is led out by the corresponding traction structure, and interlaced with the warp at the corresponding position to achieve smooth weaving. The production process of the weft knitting machine is simple, and the yarn used can be directly woven on the machine without preparation. The weft knitted fabric has good extensibility and elasticity, and is suitable for making sportswear, underwear, socks, sweat cloth, rib and other fabrics. At the same time, the weft knitting machine can also produce flat and cylindrical fabric rolls, as well as weave into clothing, clothing pieces and formed fabrics.

[0003] The Chinese patent publication number is CN218786699U, and the authorization announcement date is April 4, 2023. A weft knitting machine that facilitates weft insertion includes a structural plate; a support plate is installed on one side of the structural plate; a weft insertion structure is installed on the top of the support plate; the weft insertion structure includes a traction line box; a placement cavity is opened inside the traction line box; a special-shaped turntable is fixedly mounted on the outside of the cross-section of the rotating shaft; a rubber rod is fixed on the base; the rubber rod is clamped in the notch of the special-shaped turntable; the fixed structure includes a structural cavity; a structural cavity is opened inside the rotating shaft; one end of a spring is fixedly connected to the inner wall of the structural cavity; a square rod is fixedly connected to the other side of the connecting piece; the square rod is rotatably connected to a fixed support rod through a hinge; through the joint action of the weft insertion structure and the fixing device, the effect of quantitative wire feeding during the weft insertion process is achieved, and the coil is fixed so that the weft insertion work of quantitative wire feeding can be carried out smoothly.

[0004] The existing weft knitting machine has a simple release structure. The weft coil rotates under the pulling of the traction structure to release the weft. The release structure does not have a limiting function, and the weft coil cannot stop rotating in time, which will lead to an increase in the length of the released weft, reduce the quality of the weft knitted fabric, and cannot meet the use requirements. Utility Model Content

[0005] The utility model aims to provide a weft knitting machine for knitted fabrics with quantitative weft delivery, so as to solve the problem in the above-mentioned background technology that the delivery structure of the existing weft knitting machine is simple, the weft coil rotates to release the weft under the pulling of the traction structure, the delivery structure does not have a limiting function, the weft coil cannot stop rotating in time, which will lead to an increase in the length of the released weft, reduce the quality of the weft knitted fabric, and fail to meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a weft knitting machine for knitted fabrics with quantitative weft delivery, comprising a weft knitting machine body, a pay-off frame is arranged above the weft knitting machine body, and the pay-off frame is connected to the weft knitting machine body by screws, a connecting roller is arranged on the inner side of the pay-off frame, a connecting shaft is arranged at one end of the connecting roller, and one end of the connecting shaft is fixedly connected to the connecting roller, the connecting shaft is rotatably connected to the pay-off frame, a turntable is arranged at the contact point between the connecting shaft and the connecting roller, and the turntable is fixedly connected to the connecting roller, a toothed disc is arranged on the back of the turntable, and the toothed disc is fixedly connected to the turntable, a first telescopic cavity is arranged on the inner wall of the pay-off frame, a top block is arranged inside the first telescopic cavity, and the top block is slidably connected to the pay-off frame, the top block and the toothed disc are arranged correspondingly, an electric push rod is arranged inside the first telescopic cavity, and the electric push rod is arranged on one side of the top block, and the two ends of the electric push rod are respectively fixedly connected to the pay-off frame and the top block.

[0007] Preferably, the connecting roller is provided with a second telescopic cavity, four of which are equidistantly arranged on the connecting roller, a limit block is provided on the outside of the connecting roller, four of which are arranged corresponding to the second telescopic cavity, connecting blocks are provided inside the four second telescopic cavities, and the connecting blocks are slidably connected to the connecting roller, the connecting blocks are arranged in a T-shape, compression springs are provided inside the four second telescopic cavities, and the two ends of the compression springs are respectively fixedly connected to the connecting roller and the connecting block.

[0008] Preferably, a detection strip is provided on the back of the turntable and is fixedly connected to the turntable, the detection strip is provided on the outside of the toothed disc, an infrared detection sensor is provided on the inner side of the pay-off frame and is connected to the pay-off frame by screws, and the infrared detection sensor is provided with the detection strip in combination.

[0009] Preferably, a connecting groove is provided inside the front end of the wire pay-off frame, a connecting frame is provided on one side of the wire pay-off frame, and the connecting frame is U-shaped, both ends of the connecting frame extend to the inside of the connecting groove, and the connecting frame is plugged into the wire pay-off frame, a connecting rod is provided on the inner side of the connecting frame, and the connecting rod is fixedly connected to the connecting frame, and the connecting rod is rotatably connected to the connecting roller.

[0010] Preferably, a wire management plate is provided below the wire pay-off rack and is fixedly connected to the wire management rack, a slide groove is provided on the wire management plate, a slider is provided inside the slide groove and is slidably connected to the wire management plate, and a through hole is provided in the middle portion of the slider.

[0011] Preferably, a rolling groove is provided on the inner wall of the slide groove, balls are provided on both sides of the slider, one end of the ball extends to the inside of the rolling groove, and the ball is rollingly connected to the wire management plate and the slider.

[0012] Preferably, a rubber ring is provided inside the through hole, and the rubber ring is connected to the slider as a whole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model device is provided with a connecting roller, a turntable, a top block, an electric push rod, a toothed disc, a connecting shaft, a detection strip and an infrared detection sensor. The weft coil is connected through the connecting roller, and the weft is connected to the weft knitting machine. The weft knitting machine applies a pulling force to the weft, and the connecting roller is driven to rotate under the action of the pulling force, and the weft coil is driven to rotate synchronously, and the weft is released for weft knitting. The turntable rotates with the connecting roller, and the detection strip and the infrared detection sensor measure the number of rotations of the turntable. The released length of the weft is judged according to the number of rotations of the turntable. When the length of the pulled weft reaches the delivery requirement, the electric push rod is driven to drive the top block to move, and the top block is connected to the toothed disc, which plays a limiting role on the turntable, stops the weft delivery, realizes the quantitative delivery of the weft, and improves the weft knitting effect.

[0015] 2. The utility model device is provided with a limit block, a second telescopic cavity, a connecting block and a compression spring. The compression spring applies a thrust to the connecting block. Under the action of the thrust, the limit block is ejected. The ejected limit block is in close contact with the inner wall of the weft coil, which facilitates the connection of weft coils of different sizes with the connecting roller, ensuring the stability of the weft delivery;

[0016] 3. The utility model device is provided with a wire management plate, a slide groove, a slider and a through hole. The weft wire passes through the through hole. The slider is slidably connected to the wire management plate. The pressure between the weft wire and the slider makes the slider slide back and forth along the slide groove. The slider guides the weft wire to be delivered, thereby improving the weft delivery effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 A partial enlarged view of area A;

[0019] Figure 3 This is a cross-sectional view of the connection between the connecting roller and the pay-off frame of the utility model;

[0020] Figure 4 It is a longitudinal cross-sectional view of the connection between the limit block and the connecting roller of the utility model;

[0021] Figure 5 This is a diagram showing the connection relationship between the slider and the wiring board of the utility model;

[0022] Figure 6 For the utility model Figure 3 A partial enlarged view of area B.

[0023] In the figure: 1. main body of weft knitting machine; 2. pay-off frame; 3. connecting roller; 4. turntable; 5. limit block; 6. connecting frame; 7. wire management plate; 8. slide groove; 9. slider; 10. through hole; 11. connecting rod; 12. connecting groove; 13. first telescopic chamber; 14. top block; 15. electric push rod; 16. toothed disc; 17. connecting shaft; 18. second telescopic chamber; 19. connecting block; 20. compression spring; 21. rubber ring; 22. rolling groove; 23. ball; 24. detection strip; 25. infrared detection sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-Figure 6 The utility model provides an embodiment: a knitted fabric weft knitting machine with quantitative weft delivery, comprising a weft knitting machine body 1, a pay-off frame 2 is arranged above the weft knitting machine body 1, and the pay-off frame 2 is connected to the weft knitting machine body 1 by screws, a connecting roller 3 is arranged on the inner side of the pay-off frame 2, a connecting shaft 17 is arranged at one end of the connecting roller 3, and one end of the connecting shaft 17 is fixedly connected to the connecting roller 3, the connecting shaft 17 is rotatably connected to the pay-off frame 2, a turntable 4 is arranged at the contact point between the connecting shaft 17 and the connecting roller 3, and the turntable 4 is fixedly connected to the connecting roller 3, a toothed disc 16 is arranged on the back of the turntable 4, and the toothed disc 16 is fixedly connected to the turntable 4, and a first telescopic Cavity 13, a top block 14 is arranged inside the first telescopic cavity 13, and the top block 14 is slidably connected to the pay-off frame 2, the top block 14 and the toothed disc 16 are arranged correspondingly, an electric push rod 15 is arranged inside the first telescopic cavity 13, and the electric push rod 15 is arranged on one side of the top block 14, and the two ends of the electric push rod 15 are respectively fixedly connected to the pay-off frame 2 and the top block 14, a detection strip 24 is arranged on the back of the turntable 4, and the detection strip 24 is fixedly connected to the turntable 4, and the detection strip 24 is arranged on the outside of the toothed disc 16, an infrared detection sensor 25 is arranged on the inner side of the pay-off frame 2, and the infrared detection sensor 25 is connected to the pay-off frame 2 by screws, and the infrared detection sensor 25 and the detection strip 24 are matched with each other.

[0026] During use: the weft thread coil is connected through the connecting roller 3, the connecting roller 3 and the pay-off frame 2 are rotationally connected through the connecting shaft 17, one end of the weft thread is connected to the weft knitting machine, the weft knitting machine applies tension to the weft thread, and the connecting roller 3 is driven to rotate under the action of the tension, and the weft thread coil is driven to rotate synchronously, and the weft thread is released for weft knitting. As the connecting roller 3 rotates, the turntable 4 measures the number of rotations of the turntable 4 through the detection strip 24 and the infrared detection sensor 25, and the released length of the weft thread is judged according to the number of rotations of the turntable 4. When the length of the pulled weft thread reaches the delivery requirement, the electric push rod 15 is driven to drive the top block 14 to move, and the top block 14 is connected to the toothed disc 16, which limits the turntable 4, stops the weft thread delivery, realizes the quantitative delivery of the weft thread, and improves the weft knitting effect.

[0027] See also Figure 1 , Figure 3 and Figure 4 A second telescopic cavity 18 is provided on the connecting roller 3, and there are four second telescopic cavities 18, and the four second telescopic cavities 18 are equidistantly arranged on the connecting roller 3. A limit block 5 is provided on the outside of the connecting roller 3, and there are four limit blocks 5, and the four limit blocks 5 are arranged corresponding to the second telescopic cavity 18. A connecting block 19 is provided inside the four second telescopic cavities 18, and the connecting block 19 is slidably connected to the connecting roller 3, and the connecting block 19 is T-shaped. A compression spring 20 is provided inside the four second telescopic cavities 18, and the two ends of the compression spring 20 are fixedly connected to the connecting roller 3 and the connecting block 19 respectively. The compression spring 20 applies a thrust to the connecting block 19, and the limit block 5 is ejected under the action of the thrust. The ejected limit block 5 is in close contact with the inner wall of the weft coil, which is convenient for connecting weft coils of different sizes with the connecting roller 3 to ensure the stability of weft delivery.

[0028] See also Figure 1 , Figure 2 and Figure 3 A connecting groove 12 is provided inside the front end of the pay-off frame 2, a connecting frame 6 is provided on one side of the pay-off frame 2, and the connecting frame 6 is U-shaped, both ends of the connecting frame 6 extend into the inside of the connecting groove 12, and the connecting frame 6 is plugged into the pay-off frame 2, a connecting rod 11 is provided on the inner side of the connecting frame 6, and the connecting rod 11 is fixedly connected to the connecting frame 6, the connecting rod 11 is rotatably connected to the connecting roller 3, the connecting frame 6 is inserted into the connecting groove 12 and connected to the pay-off frame 2, the connecting rod 11 is rotatably connected to the connecting roller 3, and plays a guiding and limiting role on the rotating connecting roller 3 to ensure the stability of the weft delivery.

[0029] See also Figure 1 , Figure 2 and Figure 5A wire arranging plate 7 is arranged below the wire pay-off frame 2, and the wire arranging plate 7 is fixedly connected to the wire pay-off frame 2, a slide groove 8 is arranged on the wire arranging plate 7, a slider 9 is arranged inside the slide groove 8, and the slider 9 is slidably connected to the wire arranging plate 7, a through hole 10 is arranged in the middle part of the slider 9, a rolling groove 22 is arranged on the inner wall of the slide groove 8, balls 23 are arranged on both sides of the slider 9, one end of the ball 23 extends to the inside of the rolling groove 22, and the ball 23 is rollingly connected to the wire arranging plate 7 and the slider 9, a rubber ring 21 is arranged inside the through hole 10, and the rubber ring 21 is connected to the slider 9 as a whole, the weft line passes through the through hole 10, the slider 9 guides the weft line to be delivered, the slider 9 is slidably connected to the wire arranging plate 7, and the pressure between the weft line and the slider 9 makes the slider 9 slide back and forth along the slide groove 8, thereby improving the weft line delivery effect.

[0030] Working principle: The weft coil is passed through the connecting roller 3, and the compression spring 20 applies a thrust to the connecting block 19. Under the action of the thrust, the limit block 5 is pushed out, and the pushed-out limit block 5 is in close contact with the inner wall of the weft coil, so that the weft coil is fixedly connected to the connecting roller 3, and the weft passes through the through hole 10 to connect with the weft knitting machine; the weft knitting machine applies a pulling force to the weft, and under the action of the pulling force, the connecting roller 3 is driven to rotate, and the weft coil is driven to rotate synchronously, and the weft is released for weft knitting. As the connecting roller 3 rotates, the turntable 4 passes through the detection bar 2 4 and the infrared detection sensor 25 measure the number of revolutions of the turntable 4, and judge the released length of the weft according to the number of revolutions of the turntable 4. When the length of the pulled weft reaches the delivery requirement, the electric push rod 15 is driven to drive the top block 14 to move, and the top block 14 is connected to the toothed disc 16, which plays a limiting role on the turntable 4, stops the delivery of the weft, realizes the quantitative delivery of the weft, and improves the weft knitting effect; the pressure between the weft and the slider 9 makes the slider 9 slide back and forth along the slide groove 8, guides the delivered weft, and improves the weft delivery effect.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0032] 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 knitted fabric weft knitting machine with a quantitative weft delivery, comprising a weft knitting machine body (1), characterized in that: A wire pay-off frame (2) is arranged above the weft knitting machine body (1), and the wire pay-off frame (2) is connected to the weft knitting machine body (1) by screws; a connecting roller (3) is arranged on the inner side of the wire pay-off frame (2); a connecting shaft (17) is arranged at one end of the connecting roller (3), and one end of the connecting shaft (17) is fixedly connected to the connecting roller (3); the connecting shaft (17) is rotatably connected to the wire pay-off frame (2); a turntable (4) is arranged at the contact point between the connecting shaft (17) and the connecting roller (3), and the turntable (4) is fixedly connected to the connecting roller (3); and a rotating plate (4) is arranged on the back of the turntable (4). A toothed disc (16) is provided, and the toothed disc (16) is fixedly connected to the rotating disc (4); a first telescopic cavity (13) is provided on the inner wall of the pay-off frame (2); a top block (14) is provided inside the first telescopic cavity (13), and the top block (14) is slidably connected to the pay-off frame (2); the top block (14) and the toothed disc (16) are arranged correspondingly; an electric push rod (15) is provided inside the first telescopic cavity (13), and the electric push rod (15) is arranged on one side of the top block (14); and two ends of the electric push rod (15) are respectively fixedly connected to the pay-off frame (2) and the top block (14).

2. A knitted fabric weft knitting machine with quantitative weft delivery according to claim 1, characterized in that: The connecting roller (3) is provided with a second telescopic cavity (18), four of which are arranged equidistantly on the connecting roller (3); a limit block (5) is arranged outside the connecting roller (3), four of which are arranged corresponding to the second telescopic cavity (18); a connecting block (19) is arranged inside the four second telescopic cavities (18), and the connecting block (19) is slidably connected to the connecting roller (3); the connecting block (19) is arranged in a T-shape; a compression spring (20) is arranged inside the four second telescopic cavities (18), and two ends of the compression spring (20) are respectively fixedly connected to the connecting roller (3) and the connecting block (19).

3. A knitted fabric weft knitting machine with quantitative weft delivery according to claim 1, characterized in that: A detection strip (24) is provided on the back of the turntable (4), and the detection strip (24) is fixedly connected to the turntable (4); the detection strip (24) is arranged outside the toothed disc (16); an infrared detection sensor (25) is provided on the inner side of the pay-off frame (2), and the infrared detection sensor (25) is connected to the pay-off frame (2) via screws; the infrared detection sensor (25) and the detection strip (24) are arranged in a matching manner.

4. A knitted fabric weft knitting machine with quantitative weft delivery according to claim 1, characterized in that: A connecting groove (12) is provided inside the front end of the pay-off frame (2); a connecting frame (6) is provided on one side of the pay-off frame (2); and the connecting frame (6) is U-shaped; both ends of the connecting frame (6) extend into the interior of the connecting groove (12); and the connecting frame (6) is plugged into the pay-off frame (2); a connecting rod (11) is provided inside the connecting frame (6); and the connecting rod (11) is fixedly connected to the connecting frame (6); and the connecting rod (11) is rotatably connected to the connecting roller (3).

5. The knitted fabric weft knitting machine with quantitative weft delivery according to claim 1, characterized in that: A wire management plate (7) is arranged below the wire pay-off frame (2), and the wire management plate (7) is fixedly connected to the wire pay-off frame (2); a slide groove (8) is arranged on the wire management plate (7), a slider (9) is arranged inside the slide groove (8), and the slider (9) is slidably connected to the wire management plate (7); a through hole (10) is arranged in the middle of the slider (9).

6. A knitted fabric weft knitting machine with quantitative weft delivery according to claim 5, characterized in that: A rolling groove (22) is provided on the inner wall of the slide groove (8), and balls (23) are provided on both sides of the slider (9). One end of the ball (23) extends into the interior of the rolling groove (22), and the ball (23) is rollingly connected to the cable management plate (7) and the slider (9).

7. A knitted fabric weft knitting machine with quantitative weft delivery according to claim 6, characterized in that: A rubber ring (21) is arranged inside the through hole (10), and the rubber ring (21) is connected to the slider (9) as a whole.

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