A toothed needle disc device for a sock knitting machine

The simplified toothed needle holder with spring-loaded slots and rotational drive mechanism addresses the complexity of replacing toothed needles in knitting machines, enhancing maintenance efficiency and reducing defects.

CN119877187BActive Publication Date: 2025-07-15ZHUJI SHENGMIAO KNITTING MASCH TECH CO LTD
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Patent Information

Application Number
CN202510361371.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-07-15
Estimated Expiration
2045-03-26

AI Technical Summary

Technical Problem

The replacement process of the existing sock machine teeth pin is complicated and the driving structure is complicated, resulting in inconvenient maintenance and machine failure.

Method used

A trocar needle plate device including a first semicircular hood plate assembly and a second semicircular hood plate assembly is designed to facilitate installation and disassembly of the trocar needle through a bevel and an elastomeric structure, and a rotating arm and a rotating motor drive structure are used to simplify the driving process.

Benefits of technology

It improves the convenience of replacing the trocar needle and simplifies the drive structure, reduces the maintenance time and reduces the probability of machine failure.

✦ Generated by Eureka AI based on patent content.

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Abstract

A toothed needle disc device for a hosiery machine, comprising a toothed needle disc, the toothed needle disc including a first semi-circular toothed disc assembly and a second semi-circular toothed disc assembly. Both the first semi-circular toothed disc assembly and the second semi-circular toothed disc assembly include a semi-circular needle disc. An installation ring is installed on the upper side of the semi-circular needle disc. A vertical needle groove is provided on the outer circumferential surface of the semi-circular needle disc, and a clamping groove is provided horizontally in the needle groove. The needle groove is embedded with an installed toothed needle. A protrusion is provided inside the toothed needle, and the protrusion cooperates with the clamping groove. An elastic body is provided outside the toothed needle, an outer pressing tile is provided outside the elastic body, the outer pressing tile is connected to the semi-circular needle disc, and an inclined surface for cooperating with the toothed needle is provided inside the outer pressing tile. The toothed needle disc device for the hosiery machine of the present invention shortens the installation and maintenance time of the toothed needle disc by installing and disassembling the toothed needle in a toggle manner.
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Description

Technical Field

[0001] The present invention belongs to the technical field of sock knitting machines, and particularly relates to a bearded needle dial device for a sock knitting machine. Background Art

[0002] There is a problem with the bearded needles, also known as transfer needles, used on existing integrated sock knitting machines to transfer fabrics or socks from the needle cylinder of the knitting equipment. When a bearded needle is damaged and needs to be replaced, multiple spare parts and the needle dial for installing the bearded needle need to be removed. After each replacement, the positions of the bearded needle and the needle cylinder need to be repositioned, which is troublesome for maintenance. If the positioning is inaccurate, it will cause machine failures and produce defective socks. How to improve the convenience of replacing bearded needles is the research object of those skilled in the art.

[0003] In addition, the driving structure of the existing bearded needle dial is extremely complex during rotation. How to improve the convenience of the driving structure is also the research object of those skilled in the art. Summary of the Invention

[0004] The present invention provides a bearded needle dial device for a sock knitting machine with a simple structure and convenient loading and unloading of bearded needles.

[0005] A bearded needle dial device for a sock knitting machine includes a bearded needle dial, and the bearded needle dial includes a first semi-circular bearded needle disc assembly and a second semi-circular bearded needle disc assembly. Both the first semi-circular bearded needle disc assembly and the second semi-circular bearded needle disc assembly include a semi-circular needle disc. An installation ring is installed on the upper side of the semi-circular needle disc. Vertical needle grooves are provided on the outer circumferential surface of the semi-circular needle disc, and card slots are transversely provided in the needle grooves. The needle grooves are embedded with installation bearded needles. A protrusion is provided on the inner side of the bearded needle, and the protrusion cooperates with the card slot. An elastic body is provided on the outer side of the bearded needle, an outer pressing tile is provided on the outer side of the elastic body, the outer pressing tile is connected to the semi-circular needle disc, and an inclined surface for cooperating with the bearded needle is provided on the inner side of the outer pressing tile. For the bearded needle of the present invention, when it is dialed outwards to cooperate with the inclined surface, the protrusion is disengaged from the card slot, and the damaged bearded needle can be disengaged from the bearded needle dial. When installing a new bearded needle, it only needs to insert the bearded needle inside the elastic body, press and connect it through the outer pressing tile, and the protrusion cooperates and is embedded in the card slot to complete the installation of the new bearded needle, and the loading and unloading are convenient.

[0006] Two or more of the needle grooves are evenly arranged on the outer circumferential surface of the semi-circular needle disc, so that the card slots are arranged in a semi-circular shape. The elastic body is a spring or an elastic rubber thread, and the elastic body elastically presses the bearded needle in a semi-circular shape.

[0007] The semi-circular needle disc is divided into a first semi-circular needle disc and a second semi-circular needle disc. The first semi-circular needle disc and the second semi-circular needle disc are connected by a rotating arm, and a pin hole is provided on the outer circumference of the first semi-circular needle disc.

[0008] A first mounting seat is connected to the top of the first semicircular needle disk, and a first external pressure tile is connected to the outer periphery of the first mounting seat. The inner wall of the first external pressure tile is provided with a first groove and a first inclined surface; a first arc groove and a first clamping groove are respectively provided on the outer wall of the first semicircular needle disk, and a gap is provided between the first arc groove and the first groove, and a first elastomer is clamped together in the gap, and a sleeve tooth needle is embedded between the first elastomer and the first semicircular needle disk.

[0009] The top of the second semicircular needle dial is connected to a second mounting seat, the outer periphery of the second mounting seat is connected to a second external pressure tile, the inner wall of the second external pressure tile is provided with a second groove and a second inclined surface; the outer wall of the second semicircular needle dial is respectively provided with a second arc groove and a second clamping groove, a gap is provided between the second arc groove and the second groove, the second elastomer is clamped together in the gap, and a sleeve tooth needle is embedded between the second elastomer and the second semicircular needle dial.

[0010] The inner side of the mounting ring is provided with a lifting device for the set-tooth needle disk, and the lifting device comprises an annular cylinder seat, and the cylinder seat drives the push rod to rise and fall by compressed air, and the push rod penetrates and connects the first mounting seat and the first semicircular needle disk, and is connected to the first semicircular needle disk through a connecting plate. The lifting device realizes the up and down movement of the semicircular needle disk in the set-tooth needle disk, thereby realizing the set-tooth needle and the sock machine needle to pick up and transfer the socks.

[0011] The top of the sleeve tooth needle is provided with a fourth inclined surface, which is convenient for the sleeve tooth needle to be inserted between the elastic body and the semicircular needle disk. The bottom of the sleeve tooth needle is provided with a U-shaped needle groove. The bottom of the U-shaped needle groove is provided with a second inclined surface to facilitate guiding the sock machine needle to cooperate with the U-shaped needle groove. The back of the U-shaped needle groove is provided with a third inclined surface to facilitate manual manipulation of the sleeve tooth needle, so as to detach the sleeve tooth needle from or cooperate with the installation needle groove.

[0012] The pin hole cooperates with the needle disk rotation driving device that drives the first semicircular needle disk to rotate around the rotating arm. The needle disk rotation driving device includes a locking rod. The locking rod and the pin hole are on the same axis. The locking rod moves back and forth to cooperate with the pin hole. The needle disk rotation driving device also includes a rotating cylinder. The rotating cylinder is connected to a driving block through a driving rod. The driving block is connected to a moving plate. The moving plate is equipped with a motor seat. The motor seat is connected to a rotating motor. The rotating motor drives the locking rod to rotate, thereby driving the first semicircular needle disk to rotate around the rotating arm to achieve the alignment of the sock toes, and then can cooperate with the toe sewing machine to sew the toes.

[0013] The end of the main shaft of the rotating motor is a worm wheel, which is connected to a worm, and the worm is connected to a locking rod through a rotating disk. The worm wheel connected to the worm increases the torque of the locking rod rotation and increases the reliability of the first semicircular needle disk rotation drive.

[0014] The present invention provides a sock machine set-up needle disk device that can install and remove the set-up needles in a toggle-type manner, thereby shortening the installation and maintenance time of the set-up needle disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below in conjunction with the accompanying drawings:

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the socket-tooth needle disc device for the sock knitting machine of the present invention;

[0017] Figure 2 It is a cross-sectional structural schematic diagram of the socket-tooth needle disc device for the sock knitting machine of the present invention;

[0018] Figure 3 It is a schematic exploded installation structure diagram of the first semi-circular needle disc in the present invention;

[0019] Figure 4 It is a schematic exploded installation structure diagram of the second semi-circular needle disc in the present invention;

[0020] Figure 5 It is a cross-sectional structural schematic diagram of the separated state of the socket-tooth needle and the socket-tooth needle disc in the present invention;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the socket-tooth needle in the present invention;

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the socket-tooth needle from another angle in the present invention;

[0023] Figure 8 It is a three-dimensional structural schematic diagram of the semi-circular needle disc in the present invention;

[0024] Figure 9 It is a schematic installation structure diagram of the socket-tooth needle disc device in the sock knitting machine of the present invention;

[0025] Figure 10 It is a schematic structural diagram of the rotating state of the first semi-circular needle disc of the socket-tooth needle disc device in the sock knitting machine of the present invention;

[0026] Figure 11 It is a three-dimensional structural schematic diagram of the needle disc rotation driving device in the present invention;

[0027] Figure 12 It is a schematic internal structure diagram of the needle disc rotation driving device in the present invention.

[0028] The reference numerals in the attached drawings of the present invention are explained as follows:

[0029] 4. First semicircular needle disc; 6. Second elastic body; 7. First elastic body; 8. Connecting plate; 9. Cylinder seat; 30. Mounting ring; 31. First semicircular sleeve toothed disc assembly; 32. Second semicircular sleeve toothed disc assembly; 41. First slot; 43. First arc slot; 44. Needle slot; 51. Sleeve toothed needle; 52. U-shaped needle slot; 53. Protrusion; 54. Fourth inclined plane; 55. Third inclined plane; 56. Second inclined plane; 66. Gap; 71. Ejector rod; 72. Second semicircular needle disc; 80. Pin Hole; 81, guide shaft; 89, turntable; 90, locking rod; 91, needle plate rotation drive device; 92, rotating motor; 93, sewing machine; 94, motor seat; 95, drive block; 96, drive rod; 97, rotating cylinder; 98, worm gear; 99, moving plate; 100, worm; 300, first mounting seat; 301, first external pressure tile; 303, first inclined plane; 305, second external pressure tile; 309, second mounting seat; 310, rotating arm; 312, first groove. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1 -Attached Figure 12 The specific implementation method further explains the technical solution of this patent in detail.

[0031] like Figure 1 As shown in Example 1, a set of gear needle disk device for a hosiery machine includes a set of gear needle disks, which include a first semicircular set of gear disk components 31 and a second semicircular set of gear disk components 32. The first semicircular set of gear disk components 31 and the second semicircular set of gear disk components 32 both include semicircular needle disks, and a mounting ring 30 is installed on the upper side of the semicircular needle disk. The outer circumferential surface of the semicircular needle disk is provided with a vertical needle groove 44, and the needle groove is horizontally provided with a clamping groove. The needle groove is embedded in the installation set of the gear needle 51, and the gear needle 51 is inserted into the inner surface of the semicircular needle disk. A protrusion 53 is provided on the side, and the protrusion 53 cooperates with the slot. An elastic body is provided on the outside of the sleeve gear needle 51, and an external pressure tile is provided on the outside of the elastic body. The external pressure tile is connected to the semicircular needle disk, and an inclined surface cooperating with the sleeve gear needle 51 is provided on the inner side of the external pressure tile. The sleeve gear needle 51 is pushed outward to cooperate with the inclined surface to make the protrusion 53 disengage from the slot to realize the separation function of the sleeve gear needle 51 and the semicircular needle disk, that is, the damaged sleeve gear needle 51 can be removed, and the installation of the sleeve gear needle 51 can be completed by simply performing the reverse operation. The overall operation is convenient and simple.

[0032] Embodiment 2 is preferably as follows Figure 2 , Figure 3 , Figure 8As shown, for improving the installation accuracy and convenience of the socketed tooth needle 51 relative to the needle slot 44, there are two or more needle slots 44 evenly arranged on the outer circumferential surface of the semi-circular needle disc, such that the card slots are arranged semi-circularly, the elastic body is a spring or an elastic cord, and the elastic body is in the shape of a semi-circular elastic press-fit for the socketed tooth needle 51, thereby realizing the quick installation of the socketed tooth needle 51 in the needle slot 44. The semi-circular needle disc is divided into a first semi-circular needle disc 4 and a second semi-circular needle disc 72. The first semi-circular needle disc 4 and the second semi-circular needle disc 72 are connected by a rotating arm 310. A pin hole 80 is provided on the outer circumference of the first semi-circular needle disc 4.

[0033] Example 3 is as Figure 4 , as Figure 9 , as Figure 10 As shown, in order to realize the rotation performance of the first semi-circular needle disc 4, the pin hole 80 is cooperatively connected to a needle disc rotation driving device 91 that drives the first semi-circular needle disc 4 to rotate around the rotating arm 310. The needle disc rotation driving device 91 includes a locking rod 90. The locking rod 90 and the pin hole 80 are on the same axis, and the forward and backward movement of the locking rod 90 cooperates with the pin hole 80. The needle disc rotation driving device 91 further includes a rotating cylinder 97. The rotating cylinder 97 is connected to a driving block 95 through a driving rod 96. The driving block 95 is connected with a moving plate 99. A motor base 94 is installed on the moving plate 99. The motor base 94 is connected to a rotating motor 92. The rotating motor 92 drives the locking rod 90 to rotate. The end of the main shaft of the rotating motor 92 is a worm gear 98. The worm gear 98 is cooperatively connected to a worm 100. The worm 100 is connected to the locking rod 90 through a turntable 89. This kind of needle disc rotation driving device 91 drives the locking rod 90 to rotate through the rotating motor 92, and then realizes the rotation of the first semi-circular needle disc 4 around the rotating arm 310 to complete the closing of the sock toe for cooperating with a sewing machine 93 for automatic sock toe sewing.

[0034] Example 4 is as Figure 3Shown as another specific technical structure for replacing the serrated needle 51, a first mounting seat 300 is connected to the top of the first semi-circular needle disc 4. A first outer pressing tile 301 is connected to the outer periphery of the first mounting seat 300. A first groove 312 and a first inclined surface 303 are provided on the inner wall of the first outer pressing tile 301. A first arc groove 43 and a first clamping groove 41 are respectively provided on the outer wall of the first semi-circular needle disc 4. A gap 66 is provided between the first arc groove 43 and the first groove 312. A first elastic body 7 is jointly clamped in the gap 66. The serrated needle 51 is embedded between the first elastic body 7 and the first semi-circular needle disc 4. A second mounting seat 309 is connected to the top of the second semi-circular needle disc 72. A second outer pressing tile 305 is connected to the outer periphery of the second mounting seat 309. A second groove and a second inclined surface are provided on the inner wall of the second outer pressing tile 305. A second arc groove and a second clamping groove are respectively provided on the outer wall of the second semi-circular needle disc 72. A gap is provided between the second arc groove and the second groove. A second elastic body 6 is jointly clamped in the gap. The serrated needle 51 is embedded between the second elastic body 6 and the second semi-circular needle disc 72. When the serrated needle 51 is damaged, just externally dial it to make the protrusion 53 of the serrated needle disengage from the first groove 312 or the second groove, and then pull out the serrated needle 51 downward. By operating in the reverse direction, the serrated needle 51 can be installed into the serrated needle disc. The process of replacing the serrated needle 51 does not require removing any other accessories.

[0035] Embodiment 5 is as Figure 2 Shown, in order to realize the function of picking up and transferring socks, a lifting device of the serrated needle disc is installed inside the mounting ring 30. The lifting device includes an annular cylinder seat 9. Inside the cylinder seat 9, a push rod 71 is driven to lift by compressed air. The push rod penetrates and connects the first mounting seat 300 and the first semi-circular needle disc 4, and connects the first semi-circular needle disc 4 through a connecting plate 8, so that the first semi-circular needle disc 4 is controlled by the push rod 71, and the second semi-circular needle disc 72 is provided with a guide shaft 81 to lift synchronously with the first semi-circular needle disc 4.

[0036] Embodiment 6 is as Figure 6 As Figure 7 Shown as a specific structural form of the serrated needle 51, a fourth inclined surface 54 is provided at the top of the serrated needle 51, a U-shaped needle groove 52 is provided at the bottom of the serrated needle 51, a second inclined surface 56 is provided at the bottom of the U-shaped needle groove 52, and a third inclined surface 55 is provided on the back of the U-shaped needle groove 52. The fourth inclined surface 54, the second inclined surface 56 and the third inclined surface 55 facilitate the installation and disassembly of the serrated needle 51 and the stability of the knitting needle alignment.

[0037] The above has made a detailed description of the preferred embodiments of this patent, but this patent is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of this patent.

Claims

1. A toothed needle dial device for a hosiery machine, comprising a toothed needle dial, the toothed needle dial including a first semi-circular toothed disc assembly (31) and a second semi-circular toothed disc assembly (32), characterized in that: The first semi-circular toothed disc assembly (31) and the second semi-circular toothed disc assembly (32) both include a semi-circular needle disc. An installation ring (30) is installed on the upper side of the semi-circular needle disc. Vertical needle grooves (44) are provided on the outer circumferential surface of the semi-circular needle disc. Card slots are provided horizontally in the needle grooves. The needle grooves are embedded with installation sleeve teeth needles (51). Protrusions (53) are provided inside the sleeve teeth needles (51). The protrusions (53) cooperate with the card slots. Elastic bodies are provided outside the sleeve teeth needles (51). Outer pressure tiles are provided outside the elastic bodies. The outer pressure tiles are connected to the semi-circular needle disc. Inclined surfaces for cooperating with the sleeve teeth needles (51) are provided inside the outer pressure tiles; the semi-circular needle disc is divided into a first semi-circular needle disc (4) and a second semi-circular needle disc (72). The first semi-circular needle disc (4) and the second semi-circular needle disc (72) are connected by a rotating arm (310). Pin holes (80) are provided on the outer circumference of the first semi-circular needle disc (4); a first installation seat (300) is connected to the top of the first semi-circular needle disc (4). A first outer pressure tile (301) is connected to the outer circumference of the first installation seat (300). A first groove (312) and a first inclined surface (303) are provided on the inner wall of the first outer pressure tile (301); a first arc groove (43) and a first card slot (41) are respectively provided on the outer wall of the first semi-circular needle disc (4). A gap (66) is provided between the first arc groove (43) and the first groove (312). A first elastic body (7) is jointly clamped in the gap (66). The sleeve teeth needles (51) are embedded between the first elastic body (7) and the first semi-circular needle disc (4); a second installation seat (309) is connected to the top of the second semi-circular needle disc (72). A second outer pressure tile (305) is connected to the outer circumference of the second installation seat (309). A second groove and a second inclined surface are provided on the inner wall of the second outer pressure tile (305); a second arc groove and a second card slot are respectively provided on the outer wall of the second semi-circular needle disc (72). A gap is provided between the second arc groove and the second groove. A second elastic body (6) is jointly clamped in the gap. The sleeve teeth needles (51) are embedded between the second elastic body (6) and the second semi-circular needle disc (72); a fourth inclined surface (54) is provided on the top of the sleeve teeth needles (51). A U-shaped needle groove (52) is provided at the bottom of the sleeve teeth needles (51). A second inclined surface (56) is provided at the bottom of the U-shaped needle groove (52). A third inclined surface (55) is provided on the back of the U-shaped needle groove (52).

2. The toothed needle disc device for a hosiery machine according to claim 1, characterized in that: Two or more of the needle grooves (44) are evenly arranged on the outer circumferential surface of the semi-circular needle disc, so that the card slots are arranged in a semi-circular shape. The elastic body is a spring or a rubber cord. The elastic body is in a semi-circular elastic press connection with the sleeve teeth needles (51).

3. A pin disc device with socket teeth for a hosiery machine according to claim 1, characterized in that: A lifting device for the sleeve teeth needle disc is installed inside the installation ring (30). The lifting device includes an annular cylinder seat (9). A push rod (71) is driven to lift inside the cylinder seat (9) by compressed air. The push rod penetrates and connects the first installation seat (300) and the first semi-circular needle disc (4), and is connected to the first semi-circular needle disc (4) through a connecting plate (8).

4. A toothed needle disc device for a hosiery machine according to claim 1, characterized in that: The described pin hole (80) is fitted and connected to a dial rotation driving device (91) that drives the first semi-circular dial (4) to rotate around the rotating arm (310). The dial rotation driving device (91) includes a locking rod (90). The locking rod (90) and the pin hole (80) are on the same axis, and the locking rod (90) moves back and forth to cooperate with the pin hole (80).

5. A toothed needle disc device for a hosiery machine according to claim 4, characterized in that: The described dial rotation driving device (91) further includes a rotary cylinder (97). The rotary cylinder (97) is connected to a driving block (95) through a driving rod (96). The driving block (95) is connected to a moving plate (99). The moving plate (99) is provided with a motor base (94). The motor base (94) is connected to a rotary motor (92), and the rotary motor (92) drives the locking rod (90) to rotate.

6. The toothed needle plate device for hosiery machine according to claim 5, characterized in that: The end of the main shaft of the described rotary motor (92) is a worm gear (98). The worm gear (98) is fitted and connected to a worm (100), and the worm (100) is connected to the locking rod (90) through a turntable (89).

Citation Information

Patent Citations

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    CN102242458A

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    CN116988220A

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    CN309172570S