Thread cutting device and hosiery knitting machine

Abstract

The present invention provides a thread trimming device, comprising a Huff body, which is connected to a scissor disk and a Huff disk in sequence; a scissor device, an air suction device and a wire clamp device are arranged on the base of the Huff body, and the Huff disk, the scissor disk and the Huff body are connected to the head of a hosiery machine in sequence through fasteners; a boss is arranged on the Huff body, a first groove is arranged on the scissor disk, and the boss is installed in the first groove; a blade portion is also arranged on the outer edge of the scissor disk, a first receiving groove is arranged on the Huff disk, and the blade portion is installed in the first receiving groove; the air suction device comprises a suction head and a suction pipe arranged at one end of the suction head, and the suction head is arranged in a cone shape; the thread trimming device described in the present invention makes the structure of the thread trimming device and the hosiery machine simple, reduces the weight, and is convenient for hooking the thread and maintenance; the suction head is arranged in a cone shape, which is convenient for installation in a narrow space.

Description

Technical Field

[0001] The invention relates to the technical field of knitting, and in particular to a thread cutting device and a hosiery knitting machine. Background Art

[0002] When knitting socks, such as when jacquard knitting, a lot of excess threads will be generated on the hosiery machine. These excess threads need to be cut and sucked away in time, otherwise it will affect the knitting of the socks. On these circular knitting machines, the scissor device is generally equipped with a suction device. When a yarn needs to be cut, the suction device forms a negative pressure, pushing the yarn into the wire clamp device, and the yarn is cut by the scissor device. The cut yarn is discharged through the outlet on the suction device.

[0003] The existing scissor head is set in a hidden type, and the scissor disc teeth are set in a non-exposed type. The scissor head and the scissor disc teeth are not easy to disassemble for maintenance and hooking. In addition, the thread cutting device disclosed in the Chinese patent document 201520450801.8 is provided with a scissor, and the scissor is provided with a fulcrum hole and a fixing hole. The setting of one scissor causes the scissors to wear quickly and has a short service life; the fulcrum hole and the fixing hole on the scissors reduce the stability of the scissors, thereby further shortening the service life of the scissors.

[0004] In addition, the suction head disclosed in the Chinese patent document 201220656063.9 is a trumpet-shaped structure. The trumpet-shaped structure of the suction head makes the installation area used at the bottom of the suction device relatively large, which makes it difficult to install other structures on the half plate. At the same time, the suction effect is not very ideal, which easily causes the suction head to be blocked.

[0005] Therefore, proposing a thread cutting device and a hosiery machine with a simple structure, convenient thread hooking, and convenient assembly and maintenance is one of the technical problems that technical personnel in this field need to solve urgently. Summary of the invention

[0006] In view of this, the present invention aims to provide a thread cutting device and a hosiery knitting machine to solve the problems existing in the prior art.

[0007] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0008] A thread cutting device comprises a Huff body, which is connected to a scissor disk and a Huff disk in sequence; a scissor device, an air suction device and a wire clamp device are arranged on the base of the Huff body; the Huff disk, the scissor disk and the Huff body are connected to the head of a hosiery machine in sequence through fasteners; a boss is arranged on the Huff body, a first groove is arranged on the scissor disk, and the boss is installed in the first groove; a blade portion is also arranged on the outer edge of the scissor disk, a first receiving groove is arranged on the Huff disk, and the blade portion is installed in the first receiving groove; the air suction device comprises a suction head and a suction pipe arranged at one end of the suction head, and the suction head is arranged in a cone shape. The connection structure arrangement of the half body, scissors disc and half disc of the wire cutting device described in the present invention, on the one hand, makes the wire cutting device simple and light in weight; on the other hand, the arrangement of the boss, the first groove, the blade portion and the first receiving groove facilitates the installation and disassembly between the half body, the scissors disc and the half disc; the blade portion is arranged on the outer edge of the scissors disc, so that the wire cutting device is easy to hook the wire and repair; the suction head is arranged in a cone shape, so that the outer diameter of the suction head is much smaller, which is not only convenient for installation in a narrow space, but also enhances the suction and exhaust capabilities of the suction device.

[0009] Furthermore, the scissor disc comprises an annular first bottom plate, the first groove is arranged on the inner ring of the first bottom plate, and the blade is arranged on the outer ring of the first bottom plate. The blade of the scissor disc is arranged on the outer ring of the first bottom plate, so that the wire cutting device is easy to hook and repair.

[0010] Furthermore, the half plate includes an annular second bottom plate, a receiving portion arranged on the outer ring of the second bottom plate, and a first connecting portion arranged in the middle of the second bottom plate, the receiving portion includes a first receiving section and a second receiving section connected to each other, the gap between two adjacent first receiving sections forms a first receiving groove, and the gap between two adjacent second receiving sections forms a second receiving groove. The first receiving groove is provided to facilitate the connection with the blade of the scissors plate, and the second receiving groove is provided to accommodate a crochet hook, and the crochet hook is accommodated in the receiving groove, so that the crochet hook is accurately positioned, and the crochet hook can move in the receiving groove, so that the crochet hook can be conveniently moved to different positions as needed to hook or release the coil of the sock head, which can improve the working efficiency of the thread cutting device.

[0011] Furthermore, the fastener includes a main body, a second connecting portion arranged on one side of the main body, and an extension portion arranged on the other side of the main body. The arrangement of the fastener, on the one hand, enables the half disk, the scissor disk, and the half body to be quickly connected to the head of the hosiery machine in sequence, which is convenient for disassembling the worn half disk, the scissor disk, and the half body, and directly replacing them to save replacement costs; on the other hand, it enables the entire thread trimming device to be accurately positioned with the sinker disk below the thread trimming device, which is conducive to the rapid installation between the thread trimming device and the sinker disk.

[0012] Furthermore, the suction head is composed of a first conical plate, a second conical plate and a connecting plate connected in sequence, and the connecting plate is configured as a rectangular parallelepiped, which further reduces the outer diameter of the suction head and facilitates the installation of the suction head in a narrow space.

[0013] Furthermore, the suction head forms a first port and a second port, the outer diameter of the second port is smaller than that of the first port, the first port is connected to the suction pipe, and the second port and the wind guide plate form a suction port. The outer diameter of the second port is smaller than that of the first port, so that the suction capacity of the suction device is increased, and because the outer diameter of the first port is larger, the exhaust capacity of the suction device is enhanced.

[0014] Furthermore, the air suction head is connected to the base, a first mounting hole is provided on the base, a ninth mounting hole is provided on the air suction head, and the first mounting hole matches the ninth mounting hole. The first mounting hole and the ninth mounting hole are provided to facilitate the connection between the air suction head and the base.

[0015] Furthermore, the number of the air suction device, the wire clamp device and the scissor device is set to three. The scissor device, the air suction device and the wire clamp device on the machine base are set to three, which improves the working efficiency of the entire wire cutting device and prolongs the service life of the entire wire cutting device.

[0016] Furthermore, an outer convex ring is provided on the outer ring of the bottom surface of the base, and an inner convex ring is provided on the inner ring of the bottom surface of the base, and the gap between the outer convex ring and the inner convex ring forms a track; a block device is provided on the base, and the block device includes a block receiving block, a first lane-changing block and a second lane-changing block, and the first lane-changing block and the second lane-changing block are telescopically arranged in the track. The track is set to limit the motion trajectory of the Huff needle; the first lane-changing block and the second lane-changing block are set to change the motion trajectory of the Huff needle.

[0017] A hosiery knitting machine comprises the above-mentioned thread trimming device.

[0018] Compared with the prior art, the thread cutting device and hosiery knitting machine described in the present invention have the following beneficial effects:

[0019] 1) The thread trimming device and hosiery machine described in the present invention, the connection structure of the half body, the scissor disc and the half disc makes the thread trimming device simple and light in weight.

[0020] 2) In the thread trimming device and hosiery machine described in the present invention, a blade portion is provided on the outer edge of the scissor disk, so that the thread trimming device is easy to hook the thread and maintain.

[0021] 3) The thread trimming device and hosiery machine of the present invention have a conical suction head. Compared with a conventional suction head, when the flow rate is the same, the outer diameter of the suction head of the present invention is much smaller, so it is convenient to install in a narrow space;

[0022] 4) In the thread trimming device and hosiery machine of the present invention, the air suction head is set to be conical. Since the outer diameter of the lower end of the air suction head is smaller than that of the upper end of the air suction head, the air suction capacity of the air suction device is increased. Since the outer diameter of the upper end of the air suction head is larger, the exhaust capacity of the air suction device is enhanced.

[0023] 5) The thread trimming device and hosiery machine described in the present invention have three scissor devices, air suction devices and thread clamp devices on the machine base, which improves the working efficiency of the entire thread trimming device and prolongs the service life of the entire thread trimming device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a schematic diagram of assembling the thread trimming device and the knitting machine according to an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the exploded structure of the wire cutting device according to an embodiment of the present invention;

[0027] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0028] Figure 4 for Figure 2 A schematic diagram of the enlarged structure of part B;

[0029] Figure 5 It is a structural schematic diagram of a Hough body of a thread trimming device according to an embodiment of the present invention;

[0030] Figure 6 A front view of a Hough body of the thread trimming device according to an embodiment of the present invention;

[0031] Figure 7 It is a schematic diagram of the top view of the structure of the Hough body of the thread trimming device according to an embodiment of the present invention;

[0032] Figure 8 It is a bottom view structural diagram of the Hough body of the thread trimming device according to an embodiment of the present invention;

[0033] Fig. 9 A schematic diagram of the three-dimensional structure of the air suction device of the thread trimmer device according to an embodiment of the present invention;

[0034] Fig.10 Another schematic diagram of the three-dimensional structure of the air suction device of the thread trimmer device according to the embodiment of the present invention;

[0035] Fig.11 A schematic diagram of the three-dimensional structure of a scissors device of a thread trimming device according to an embodiment of the present invention;

[0036] Fig.12 Another schematic diagram of the three-dimensional structure of the scissors device of the thread trimming device according to the embodiment of the present invention;

[0037] Fig.13 It is a schematic diagram of the three-dimensional structure of the wire clamp device of the wire trimming device according to an embodiment of the present invention.

[0038] Description of reference numerals:

[0039] 1-Huff body, 10-scissor device, 11-bracket, 111-upper plate, 112-lower plate, 113-connection hole

[0040] 12-connecting rod, 121-fixed block, 122-tenth mounting hole, 13-scissors, 14-connecting plate, 15-fixed plate, 151-fifth mounting hole, 152-sixth mounting hole 2-scissor plate, 20-machine base, 201-first bottom plate, 202-first groove, 203-blade part, 21-track, 22-inner convex ring, 23-outer convex ring, 24-spindle, 25-second groove, 251-seventh mounting hole, 261-first mounting hole, 262-second mounting hole, 263-third mounting hole, 264-fourth mounting hole, 27-boss, 3-half plate, 301-second bottom plate, 302-first receiving section, 303-second receiving section, 304-second receiving groove, 305-first receiving groove, 306-first connecting portion, 30-air suction device, 31-air suction head, 311-first port, 312-second port, 313-first conical plate, 314-second conical plate, 315-connecting plate, 316-bump, 317-ninth mounting hole, 32-air suction pipe, 33-air guide plate, 331-eighth mounting hole, 4-fastener, 401-main body, 402-second connecting portion, 403-extension portion, 40-clamp device, 41-support plate, 411-opening, 42-fixing portion, 421-eighth mounting hole, 43-support portion, 5-machine head, 50-block device, 51-first lane change block, 52-second lane change block, 53-block accommodating block, 54-first pressure plate, 55-second pressure plate. DETAILED DESCRIPTION

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The descriptions of "first", "second", etc. mentioned in the embodiments of the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0043] Example 1

[0044] This embodiment provides a thread cutting device, such as Figure 1-6 As shown, it includes a Huff body 1, which is connected to a scissor disk 2 and a Huff disk 3 in sequence. A scissor device 10, a suction device 30 and a wire clamp device 40 are arranged on the base 20 of the Huff body 1, and the Huff disk 3, the scissor disk 2 and the Huff body 1 are connected to the head 5 of the hosiery machine in sequence through a fastener 4; a boss 27 is arranged on the Huff body 1, and a first groove 202 is arranged on the scissor disk 2, and the boss 27 is installed in the first groove 202; a blade portion 203 is also arranged on the outer edge of the scissor disk 2, and a first receiving groove 305 is arranged on the Huff disk 3, and the blade portion 203 is installed in the first receiving groove 305; the suction device 30 includes a suction head 31 and a suction pipe 32 arranged at one end of the suction head 31, and the suction head 31 is arranged to be conical. The connection structure arrangement of the half body, scissors disc and half disc of the wire cutting device described in the present invention makes the wire cutting device simple and light in weight; on the other hand, the arrangement of the boss, the first groove, the blade portion and the first receiving groove facilitates the installation and disassembly between the half body, the scissors disc and the half disc; the blade portion is arranged on the outer edge of the scissors disc, so that the wire cutting device is easy to hook the wire and repair; the suction head is arranged in a cone shape, so that the outer diameter of the suction head is much smaller, which is not only convenient for installation in a narrow space, but also enhances the suction and exhaust capabilities of the suction device.

[0045] Specifically, Figure 4 As shown, the scissor disc 2 includes an annular first bottom plate 201, the first groove 202 is arranged on the inner ring of the first bottom plate 201, and the blade portion 203 is arranged on the outer ring of the first bottom plate 201. The blade portion of the scissor disc is arranged on the outer ring of the first bottom plate, so that the wire cutting device is easy to hook and repair.

[0046] Specifically, Figure 2 and 4 As shown, the half plate 3 includes an annular second bottom plate 301, a receiving portion arranged on the outer ring of the second bottom plate 301, and a first connecting portion 306 arranged in the middle of the second bottom plate 301. The receiving portion includes a first receiving section 302 and a second receiving section 303 connected to each other. The gap between two adjacent first receiving sections 302 forms a first receiving groove 305, and the gap between two adjacent second receiving sections 303 forms a second receiving groove 304. The first receiving groove is provided to facilitate the connection with the blade of the scissor plate. The second receiving groove is provided to accommodate the hook, and the hook is accommodated in the receiving groove so that the hook is accurately positioned, and the hook can move in the receiving groove, so that the hook can be conveniently moved to different positions to hook or release the coil of the sock head as needed, which can improve the working efficiency of the thread cutting device.

[0047] More specifically, Figure 2 As shown, the first connection portion 306 is disposed on the lower surface of the second bottom plate 301 and extends toward the lower side of the second bottom plate 301. The first connection portion 306 is a hollow structure, and a through hole (not shown) is disposed on the lower surface of the first connection portion 306.

[0048] Specifically, Figure 2 As shown, the fastener 4 includes a main body 401, a second connecting portion 402 arranged on one side of the main body 401, and an extending portion 403 arranged on the other side of the main body 401. The arrangement of the fastener, on the one hand, enables the half plate, the scissor plate and the half body to be quickly connected to the head of the hosiery machine in sequence, which is convenient for disassembling the worn half plate, the scissor plate and the half body, and directly replacing them to save replacement costs; on the other hand, it enables the entire thread trimming device to be accurately positioned with the sinker plate below the thread trimming device, which is conducive to the rapid installation between the thread trimming device and the sinker plate.

[0049] More specifically, the upper surface diameter of the main body 401 is larger than the diameter of the lower surface through hole of the first connecting portion 306. The upper surface diameter of the main body is larger than the diameter of the through hole of the Huff disk in order to mount the Huff disk, the scissor disk and the Huff body on the machine head. Figure 2 As shown, the main body 401 is configured as a cylinder.

[0050] More specifically, the second connection part 402 is arranged on the upper surface of the main body 401 and extends upward from the main body 401. The second connection part 402 is arranged as a cylinder. The second connection part 402 is arranged as a cylinder, which is convenient for passing through the Huff disk, the scissor disk and the Huff body, and convenient for connecting with the machine head.

[0051] More specifically, the extension part 403 is arranged on the lower surface of the main body 401 and extends downwardly from the main body 401. The extension part 403 is arranged in a rectangular parallelepiped. The arrangement of the extension part enables the entire wire trimming device to be accurately positioned with the sinker under the wire trimming device, which is conducive to the rapid installation of the wire trimming device and the sinker.

[0052] Specifically, Figure 7 As shown, the number of the air suction device 30, the wire clamp device 40 and the scissor device 10 is set to three. The number of the scissor device, the air suction device and the wire clamp device on the machine base is set to three, which improves the working efficiency of the entire wire cutting device.

[0053] Specifically, Figure 5 and Figure 7 As shown, a main shaft 24 is arranged at the center of the base 20, the air suction device 30, the wire clamp device 40 and the scissor device 10 are arranged at the edge of the base 20 of the half machine body 1, and the block device 50 is connected to the main shaft 24. The air suction device, the wire clamp device and the scissor device are arranged at the edge of the base, so as to improve the negative pressure suction force of the air suction device on the yarn.

[0054] Specifically, Fig. 9 and Fig.10 As shown, the suction head 31 is composed of a first conical plate 313, a second conical plate 314 and a connecting plate 315 connected in sequence, and the connecting plate 315 is configured as a rectangular parallelepiped. The connecting plate is configured as a rectangular parallelepiped, which further reduces the outer diameter of the suction head and facilitates the installation of the suction head in a narrow space.

[0055] Specifically, Fig. 9 and Fig.10 As shown, the air suction head 31 forms a first port 311 and a second port 312, the outer diameter of the second port 312 is smaller than that of the first port 311, the first port 311 is connected to the air suction pipe 32, and the second port 312 forms an air suction port with the air guide plate 33. The outer diameter of the second port is smaller than that of the first port, so that the air suction capacity of the air suction device is increased, and because the outer diameter of the first port is larger, the exhaust capacity of the air suction device is enhanced.

[0056] Specifically, Figure 3 , Fig. 9 and Fig.10 As shown, the suction head 31 is connected to the base 20, a first mounting hole 261 is provided on the base 20, and a ninth mounting hole 317 is provided on the suction head 31, and the first mounting hole 261 matches the ninth mounting hole 317. The provision of the first mounting hole and the ninth mounting hole facilitates the connection between the suction head and the base.

[0057] Preferably, the suction head 31 is detachably connected to the base 20. The detachable connection structure allows any structure to be removed and replaced separately when it is damaged, without the need to replace the entire structure, thereby greatly saving maintenance costs.

[0058] More specifically, Fig.10 As shown, the ninth mounting hole 317 is arranged on the connecting plate 315. A protrusion 316 is arranged on the connecting plate 315, and the ninth mounting hole 317 is arranged on the protrusion 316. The arrangement of the protrusion makes the connection of the suction head base more stable.

[0059] Specifically, the air guide plate 33 is connected to the base 20, a seventh mounting hole 251 is provided on the base 20, an eighth mounting hole 331 is provided on the air guide plate 33, and the seventh mounting hole 251 matches the eighth mounting hole 331. The seventh mounting hole and the eighth mounting hole are provided to facilitate the connection between the air guide plate and the base.

[0060] More specifically, Figure 3 As shown, a second groove 25 is provided on the base 20, the second groove 25 cooperates with the air guide plate 33, and the seventh mounting hole 251 is provided on the second groove 25. The provision of the second groove, on the one hand, forms an air suction port between the air guide plate and the air suction head, and on the other hand, makes it easier for the wire clamp device to clamp the yarn.

[0061] Specifically, Figure 2 As shown, the air suction pipe 32 is in the shape of a round tube, and can be matched and replaced with a general universal pipe, thereby reducing the equipment maintenance cost.

[0062] Specifically, Figure 7 As shown, the wire clamp device 40 is arranged on one side of the air suction device 30 , and the scissors device 10 is arranged on the other side of the air suction device 30 .

[0063] Specifically, Figure 8 As shown, an outer convex ring 23 is provided on the outer ring of the bottom surface of the base 20, and an inner convex ring 22 is provided on the inner ring of the bottom surface of the base 20. The gap between the outer convex ring 23 and the inner convex ring 22 forms a track 21. The track is provided to limit the motion trajectory of the Hough needle.

[0064] Specifically, Figure 5 and Figure 8 As shown, the block device 50 includes a block receiving block 53, a first lane-changing block 51 and a second lane-changing block 52, wherein the first lane-changing block 51 and the second lane-changing block 52 are telescopically arranged in the track 21. The first lane-changing block and the second lane-changing block are arranged to change the motion trajectory of the half needle, thereby improving the quality of tying when knitting socks.

[0065] More specifically, Figure 5 As shown, a first pressure plate 54 is provided on the first lane-changing block 51, a first pressure plate 54 is also provided on the second lane-changing block 52, and a second pressure plate 55 is provided on the first pressure plate 54. A control component (not shown) is provided through the first pressure plate 54 and the second pressure plate 55, and is connected to the first lane-changing block 51 and the second lane-changing block 52 to control the extension and retraction of the first lane-changing block 51 and the second lane-changing block 52.

[0066] Specifically, Figure 3 , Figure 5 and Fig.13 As shown, the wire clamp device 40 is connected to the machine base 20, a second mounting hole 262 is provided on the machine base 20, an eighth mounting hole 421 is provided on the wire clamp device 40, and the second mounting hole 262 matches the eighth mounting hole 421. The second mounting hole and the eighth mounting hole are provided to facilitate the connection of the wire clamp device to the machine base.

[0067] Preferably, the wire clamp device 40 is detachably connected to the machine base 20. More specifically, in this embodiment, the wire clamp device 40 is fixed to the machine base 20 by bolts, and the bolt connection is stable and reliable, convenient for disassembly and maintenance, and low in cost.

[0068] More specifically, Fig.13 As shown, the wire clamp device 40 includes a support plate 41 and a brush head (not shown in the figure), and an opening 411 is provided on the support plate 41. The setting of the opening facilitates the connection between the support plate and the brush head. A support portion 43 and a fixing portion 42 are provided at the lower end of the support plate 41, and the eighth mounting hole 421 is provided on the fixing portion. The eighth mounting hole is provided on the fixing portion, so that the connection between the wire clamp device and the machine base is more stable.

[0069] More specifically, Fig.13 As shown, the fixing portion 42 is disposed at the lower end of the support plate 41 and extends toward the right side of the support plate 41 . The supporting portion 43 is also disposed at the lower end of the support plate 41 and extends obliquely toward the left side of the support plate 41 .

[0070] Specifically, Figure 3 , Figure 5 and Fig.12As shown, the scissor device 10 is connected to the machine base 20, a third mounting hole 263 and a fourth mounting hole 264 are provided on the machine base 20, a fifth mounting hole 151 and a sixth mounting hole 152 are provided on the scissor device 10, the third mounting hole 263 matches with the fifth mounting hole 151, and the fourth mounting hole 264 matches with the sixth mounting hole 152. The provision of the third mounting hole, the fourth mounting hole, the fifth mounting hole and the sixth mounting hole facilitates the connection of the scissor device to the machine base.

[0071] Specifically, Figure 5 and Fig.11 As shown, the scissor device 10 includes a bracket 11, a connecting rod 12 mounted on the bracket 11 and movable up and down relative to the bracket 11, and a scissors 13 mounted at the lower end of the connecting rod 12. When the scissors 13 of the wire cutting device 10 move down to the lowest point, the scissors 13 can cooperate with the scissor disc 2, so that the wire can be cut. The setting of the scissors device is convenient for hooking the wire and disassembling and maintenance.

[0072] More specifically, Fig.12 As shown, the scissor device 10 further includes a connecting plate 14 and a fixing plate 15, wherein the connecting plate 14 is connected to the bracket 11, and the connecting plate 14 is connected to the fixing plate 15, and a fifth mounting hole 151 and a sixth mounting hole 152 are arranged on the fixing plate 15. The fifth mounting hole and the sixth mounting hole are arranged on the fixing plate to make the connection between the scissor device and the base more stable.

[0073] More specifically, the connecting plate 14 is connected to the bracket 11 via a connecting hole 113 , and the connecting hole 113 is provided on the bracket 11 .

[0074] More specifically, the bracket 11 is laterally provided with an upper plate 111 and a lower plate 112, the upper plate 111 is provided with an upper hole, the lower plate 112 is provided with a lower hole, the upper hole is opposite to the lower hole, the connecting rod 12 passes through the upper hole and the lower hole respectively, and the connecting rod 12 can move in the upper hole and the lower hole.

[0075] More specifically, a fixing block 121 is fixedly disposed on the outer side of the connecting rod 12 , and the fixing block 121 is located between the upper plate 111 and the lower plate 112 , so as to limit the vertical movement position of the connecting rod 12 , thereby limiting the movement position of the scissors 13 .

[0076] More specifically, the fixing block 121 is mounted on the connecting rod 12 through the tenth mounting hole 122, and the tenth mounting hole 122 is provided on the fixing block 121. The provision of the tenth mounting hole facilitates the fixing block to be fixed on the connecting rod.

[0077] More specifically, Fig.11As shown, the scissors 13 have an inclined surface at one end that cooperates with the scissor disc 2, so that the scissors 13 are sharper when cutting the thread, thereby improving the thread cutting efficiency and reducing the wear of the scissors 13.

[0078] The installation process of the present invention is as follows: the boss 27 of the Huff body 1 cooperates with the first groove 202 of the scissor disk 2, the blade portion 203 of the scissor disk 2 cooperates with the first receiving groove 305 of the Huff disk 3, and then the fastener 4 is used to pass through the Huff disk 3, the scissor disk 2 and the Huff body 1 in sequence to connect to the head 5 of the hosiery machine.

[0079] The working process of the present invention is as follows: the residual thread will be blocked by the blade of the scissor disc 2 when the sock body rises. Since the scissor disc 2 also rotates when the hosiery machine performs jacquard operation, the blade hooks the jacquard residual thread and moves toward the suction device 30 and the scissor device 10. When the jacquard residual thread is close to the second port 312 of the suction head 31, the wire clamp device 40 presses down the jacquard residual thread, so that the jacquard residual thread enters the suction head 31 from the second port 312. When the scissor disc 2 and the scissors 13 of the scissor device 10 intersect, the jacquard residual thread can be cut off, and the jacquard residual thread loses its connection and is sucked out by the suction device 30.

[0080] Compared with the prior art, the thread cutting device described in the present invention has the following beneficial effects:

[0081] 1) The thread trimming device and hosiery machine described in the present invention, the connection structure of the half body, the scissor disc and the half disc makes the thread trimming device simple and light in weight.

[0082] 2) In the thread trimming device and hosiery machine described in the present invention, a blade portion is provided on the outer edge of the scissor disk, so that the thread trimming device is easy to hook the thread and maintain.

[0083] 3) The thread trimming device and hosiery machine of the present invention have a conical suction head. Compared with a conventional suction head, when the flow rate is the same, the outer diameter of the suction head of the present invention is much smaller, so it is convenient to install in a narrow space;

[0084] 4) In the thread trimming device and hosiery machine of the present invention, the air suction head is set to be conical. Since the outer diameter of the lower end of the air suction head is smaller than that of the upper end of the air suction head, the air suction capacity of the air suction device is increased. Since the outer diameter of the upper end of the air suction head is larger, the exhaust capacity of the air suction device is enhanced.

[0085] 5) The thread trimming device and hosiery machine described in the present invention have three scissor devices, air suction devices and thread clamp devices on the machine base, which improves the working efficiency of the entire thread trimming device and prolongs the service life of the entire thread trimming device.

[0086] Example 2

[0087] A hosiery knitting machine comprises the above-mentioned thread trimming device.

[0088] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wire cutting device, comprising a Huff body (1), wherein the Huff body (1) is connected to a scissor disc (2) and a Huff disc (3) in sequence, and a scissor device (10), an air suction device (30) and a wire clamp device (40) are arranged on a base (20) of the Huff body (1), characterized in that: The half disk (3), the scissor disk (2) and the half body (1) are sequentially connected to the head (5) of the hosiery machine via a fastener (4); a boss (27) is provided on the half body (1), a first groove (202) is provided on the scissor disk (2), and the boss (27) is installed in the first groove (202); a blade portion (203) is also provided on the outer edge of the scissor disk (2), a first receiving groove (305) is provided on the half disk (3), and the blade portion (203) is installed in the first receiving groove (305); the air suction device (30) comprises an air suction head (31) and an air suction pipe (32) provided at one end of the air suction head (31), and the air suction head (31) is configured to be conical; The scissor disc (2) comprises an annular first bottom plate (201), the first groove (202) is arranged on the inner ring of the first bottom plate (201), and the blade portion (203) is arranged on the outer ring of the first bottom plate (201); The Haff plate (3) comprises an annular second bottom plate (301), a receiving portion arranged on the outer ring of the second bottom plate (301), and a first connecting portion (306) arranged in the middle of the second bottom plate (301); the receiving portion comprises a first receiving section (302) and a second receiving section (303) connected to each other; a gap between two adjacent first receiving sections (302) forms a first receiving groove (305); and a gap between two adjacent second receiving sections (303) forms a second receiving groove (304); An outer convex ring (23) is provided on the outer ring of the bottom surface of the machine base (20), and an inner convex ring (22) is provided on the inner ring of the bottom surface of the machine base (20), and a gap between the outer convex ring (23) and the inner convex ring (22) forms a track (21); a block device (50) is also provided on the machine base (20), and the block device (50) comprises a block accommodating block (53), a first lane changing block (51) and a second lane changing block (52), and the first lane changing block (51) and the second lane changing block (52) are telescopically arranged in the track (21).

2. The thread trimming device according to claim 1, characterized in that: The fastener (4) comprises a main body (401), a second connecting portion (402) arranged on one side of the main body (401), and an extending portion (403) arranged on the other side of the main body (401).

3. The thread trimming device according to claim 1, characterized in that: The air suction head (31) is composed of a first conical plate (313), a second conical plate (314), and a connecting plate (315) which are connected in sequence, and the connecting plate (315) is configured as a rectangular parallelepiped.

4. The thread trimming device according to claim 3, characterized in that: The air suction head (31) forms a first port (311) and a second port (312); the outer diameter of the second port (312) is smaller than that of the first port (311); the first port (311) is connected to the air suction pipe (32); and the second port (312) and the air guide plate (33) form an air suction port.

5. The thread trimming device according to claim 3, characterized in that: The air suction head (31) is connected to the machine base (20), a first mounting hole (261) is provided on the machine base (20), a ninth mounting hole (317) is provided on the air suction head (31), and the first mounting hole (261) matches the ninth mounting hole (317).

6. The thread trimming device according to claim 1, characterized in that: The number of the air suction device (30), the wire clamp device (40) and the scissor device (10) is three.

7. A hosiery knitting machine, characterized in that: The hosiery machine has the thread cutting device according to any one of claims 1-6.

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