A yarn bulking and shaping machine

Abstract

The present invention discloses a yarn bulking and shaping machine, comprising: a pay-off device, an online heating device, and a take-up device. The pay-off device comprises a pay-off frame and a loop-forming pay-off mechanism disposed on the pay-off frame. The loop-forming pay-off mechanism comprises a pay-off motor disposed on the pay-off frame. The pay-off motor's rotating shaft comprises an inner section and an outer section, the outer section further comprising a concentric straight section and an eccentric oblique section. The rotating shaft has a yarn discharge turntable and a yarn reel frame disposed in sequence on the concentric straight section, and a yarn feed turntable disposed on the eccentric oblique section. The yarn reel frame is circumferentially provided with a plurality of axially arranged yarn feed notches. The yarn feed turntable is provided with strip-shaped protrusions corresponding to the yarn feed notches. A rotation-stopping elastic body is disposed between the yarn feed turntable and the yarn reel frame. The pay-off motor housing and the yarn reel frame are provided with mutually cooperating magnets. The yarn discharge turntable is provided with a radial yarn discharge channel, and the rotating shaft is provided with an axial yarn feed channel. The present invention can be widely used for bulking and shaping various yarns.

Description

Technical Field

[0001] The present invention relates to a yarn processing device, in particular to a yarn bulking and setting machine which makes the yarn bulky by heating. Background Art

[0002] The invention application filed by the present applicant with the State Intellectual Property Office on December 27, 2019, titled "A Yarn Steaming and Puffing Setting Device" and with patent application number 201911376715.6, discloses a yarn steaming and puffing setting machine, wherein the yarn puffing and setting machine and the yarn heating device are not only large in size but also complex in structure. In actual use, once a fault occurs and the yarn puffing and setting machine and the yarn heating device need to be repaired, disassembly and assembly are very troublesome and time-consuming, which seriously affects production, reduces production capacity, and increases production costs. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a yarn bulking and shaping machine which has a simple structure and is easy to assemble and disassemble.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a yarn bulking and shaping machine, whose structure includes: a base, on which at least one yarn bulking and shaping unit is arranged, each yarn bulking and shaping unit includes: a wire-releasing device, an online heating device and a wire-receiving device, the wire-releasing device includes: a wire-releasing frame and a loop-forming wire-releasing mechanism arranged on the wire-releasing frame with a low inner side and a high outer side, the loop-forming wire-releasing mechanism includes: a wire-releasing motor arranged on the wire-releasing frame, the rotating shaft of the wire-releasing motor includes: an inner section and an outer section, the outer section further includes: a wire-releasing device which is concentric with and connected to the inner section The concentric straight connecting section and the eccentric oblique connecting section at the tail of the outer section of the machine are eccentric and inclined relative to the inner section of the machine, so that an angle is formed between the axis line of the eccentric oblique connecting section of the rotating shaft and the axis line of the inner section of the machine; the concentric straight connecting section of the rotating shaft is provided with a yarn outlet turntable that rotates synchronously with the inner section of the rotating shaft, and a disc frame is provided on the concentric straight connecting section of the rotating shaft through a bearing on the outer side of the yarn outlet turntable, and a yarn feeding disc is movably provided on the eccentric oblique connecting section of the rotating shaft through a bearing, and a plurality of yarn feeding slots arranged along the axial direction are provided on the disc frame along the circumference, and the yarn feeding slots are arranged along the axial direction. The yarn disc is provided with a strip-shaped protrusion corresponding to the yarn feeding slot on the yarn disc holder, and a rotation-stopping elastic body is provided between the yarn feeding disc and the yarn disc holder, so that the yarn feeding disc is closely pressed against the yarn disc holder through the rotation-stopping elastic body, while preventing the yarn feeding disc from rotating with the rotating shaft, and at the same time, it does not prevent the yarn feeding disc from shaking during the rotation of the rotating shaft; the yarn disc holder is provided with an automatic yarn moving boss on the outer side of the yarn feeding disc, and the automatic yarn moving boss is in a gradually smaller cone shape, and the diameter of the starting end of the automatic yarn moving boss is smaller than the outer diameter of the yarn feeding disc; the wire-unwinding motor is provided with a fixed Magnet, the yarn disc holder is provided with a suspended magnet that cooperates with the fixed magnet, so that the yarn disc holder and the casing of the pay-off motor are kept relatively still by magnetic force; a radial yarn outlet channel is radially opened on the yarn outlet turntable, and the radial yarn outlet channel opens outward to form a yarn outlet, and an axial yarn feed channel is opened in the rotating shaft, which is communicated with the radial yarn outlet channel and passes through the inner section of the rotating shaft; the online heating device comprises: a heating box, a heating channel that passes through the heating box in the horizontal direction, and a yarn conveying mechanism that passes through the heating channel of the heating box.

[0005] As a preferred solution, in the yarn bulking and setting machine, the intersection of the extension line of the axis of the eccentric oblique connecting section of the rotating shaft and the extension line of the axis of the inner section of the machine is the rocking fulcrum of the yarn feed disk, and the rocking fulcrum corresponds to one end of the strip-shaped protrusion of the yarn feed disk close to the automatic yarn moving boss.

[0006] As a preferred solution, in the yarn bulking and setting machine, the angle between the axis of the eccentric oblique connecting section and the axis of the inner section is between 5 and 20 degrees.

[0007] As a preferred solution, in the yarn bulking and setting machine, the radial yarn outlet channel and the axial yarn inlet channel are respectively provided with arc-shaped connecting sections with smooth transition at their connecting points.

[0008] As a preferred solution, in the yarn bulking and setting machine, the housing of the pay-off motor includes: a shell and an end cover arranged on the shell, and the fixed magnet is arranged on the back of the end cover.

[0009] As a preferred solution, in the yarn bulking and setting machine, the heat source in the online heating device is steam.

[0010] As a preferred solution, in the yarn bulking and setting machine, the heat source in the online heating device is electric heating.

[0011] As a preferred solution, in the yarn bulking and setting machine, the anti-rotation elastic body is made of materials such as foam or foam.

[0012] The beneficial effects of the present invention are as follows: the structure of the yarn bulking and setting machine of the present invention is very simple and the disassembly and assembly is very convenient; moreover, the miniaturization of the pay-off device and the online heating device and the take-up device matched therewith is realized, which greatly facilitates future maintenance; in addition, the yarn bulking and setting machine of the present invention can stack the yarns on the bobbin in a circle in an orderly manner through the pay-off device, and heat them while traveling in the online heating device; finally, the bulked and set yarn is rewound into a bobbin by the take-up device. During actual use, the operation is quite stable, thereby obtaining stable production capacity and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the yarn bulking and setting machine of the present invention.

[0014] Figure 2 It is an enlarged structural schematic diagram of the coil forming and paying-off mechanism of the present invention.

[0015] Figure 3 yes Figure 1 Schematic diagram of the top view structure.

[0016] Figure 4 yes Figure 2 Schematic diagram of the cross-sectional structure in the middle BB direction.

[0017] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure of the rotating shaft of the center pay-off motor.

[0018] Figure 6 yes Figure 2 Schematic diagram of the CC-direction cross-sectional structure.

[0019] Figures 1 to 6 , 2. The yarn feeding mechanism is as follows: 1. base; 2. loop forming and paying-off mechanism; 20. pay-off frame; 21. motor; 211. shell; 212. end cover; 22. rotating shaft; 220. axial yarn feeding channel; 2201. axis line; 2202. axis line; 2203. straight line; 221. inner section; 2221. concentric straight connecting section; 2222. eccentric oblique connecting section; 23. yarn discharge turntable; 231. radial yarn discharge channel; 2311. yarn outlet; 24. yarn disc frame; 240. bearing; 241. automatic yarn moving boss; 25. yarn feeding disc; 250. bearing; 251. strip-shaped protrusion; 27. fixed magnet; 28. suspended magnet; 29. anti-rotation elastic body; 3. heating box; 31. heating channel; 4. yarn conveying mechanism; 91. original bobbin yarn; 92. loop yarn; 93. finished bobbin yarn. DETAILED DESCRIPTION

[0020] The following is combined with Figures 1 to 6 , describe in detail the specific implementation scheme of the yarn bulking and setting machine described in the present invention.

[0021] like Figure 1 and Figure 3 As shown, the yarn bulking and shaping machine described in the present invention includes: a base 1, on which is provided at least one yarn bulking and shaping unit (the number of which depends on actual conditions. For ease of operation, all yarn bulking and shaping units are parallel to each other, and adjacent yarn bulking and shaping units are arranged back to back). Each yarn bulking and shaping unit includes: a pay-off device, an online heating device, and a take-up device (which belong to the conventional technology in this field and will not be described in detail here); the pay-off device includes: a pay-off frame 20 and a loop pay-off mechanism 2 arranged on the pay-off frame 20 with a lower inner side and a higher outer side, as shown in FIG. Figure 2 、 Figure 4 and Figure 5As shown, the coiled wire-forming and unwinding mechanism 2 includes: a wire-forming motor 21 arranged on the wire-forming frame 20; a rotating shaft 22 of the wire-forming motor 21 includes: an inner section 221, and an outer section composed of a concentric straight section 2221 concentric with and connected to the inner section 221 and an eccentric oblique section 2222 located at the tail; the eccentric oblique section 2222 of the rotating shaft 22 is eccentric and inclined relative to the inner section 221, so that an axis line 2202 of the eccentric oblique section 2222 of the rotating shaft 22 forms an angle of 5 to 20 degrees with the axis line 2201 of the inner section 221; the concentric straight section 222 of the rotating shaft 22 A yarn discharge turntable 23 is provided on 21 and rotates synchronously with the inner section 221 of the rotating shaft 22. A yarn disc 24 is provided on the concentric straight section 221 of the rotating shaft 22 on the outside of the yarn discharge turntable 23 through a bearing 240. A yarn feed disc 25 is movably provided on the eccentric oblique section 2222 of the rotating shaft 22 through a bearing 250. A plurality of yarn feed slots (usually eight or more, the specific number depends on the actual situation) arranged axially are uniformly provided on the yarn feed disc 24 along the circumferential direction. The yarn feed disc 25 is provided with a strip-shaped protrusion 251 corresponding to the yarn feed slots on the yarn disc 24. Figure 6 As shown, a rotation-stopping elastic body 29 made of foam is provided between the yarn feed disc 25 and the yarn coiling frame 24, so that the yarn feed disc 25 is closely against the yarn coiling frame 24, and the yarn coiling frame 24 is provided with an automatic yarn moving boss 241 on the outer side of the yarn feed disc 25, and the automatic yarn moving boss 241 is in a gradually smaller cone shape, and the diameter of the starting end of the automatic yarn moving boss 241 is smaller than the outer diameter of the yarn feed disc 25; the casing of the pay-off motor 21 includes: a shell 211, and an end cover 212 provided on the shell 221; a fixed magnet 27 is provided on the back of the end cover 212, and a suspended magnet 28 that cooperates with the fixed magnet 27 is provided on the yarn coiling frame 24, so that the yarn coiling frame 24 and the casing of the pay-off motor 21 remain relatively stationary by magnetic force; the radial direction on the yarn outlet turntable 23 A radial yarn outlet channel 231 is provided, and the radial yarn outlet channel 231 opens outward to form a yarn outlet port 2311. An axial yarn feed channel 220 is provided in the rotating shaft 22, which is in communication with the radial yarn outlet channel 231 and passes through the inner section 21 of the rotating shaft 22. The radial yarn outlet channel 231 and the axial yarn feed channel 220 are respectively provided with arc-shaped connecting sections with smooth transitions at their connection points. The online heating device comprises: a heating box 3, a heating channel 31 passing through the heating box 3 in the horizontal direction, and a yarn conveying mechanism 4 (which belongs to the conventional technology in this field and will not be described in detail here) passing through the heating channel 31 of the heating box 3. The heat source in the online heating device is steam, that is, the online heating device is an online steam heating device (steamer for short). In this embodiment, as Figure 4As shown, the intersection X of the extension line of the axis line 2202 of the eccentric oblique connecting section 2222 of the rotating shaft 22 and the extension line of the axis line 2201 of the inner shaft section 221 is the swing fulcrum of the yarn feeding disc 25, and the swing fulcrum is connected to the end of the strip-shaped protrusion 251 of the yarn feeding disc 25 close to the automatic yarn moving boss 241 ( Figure 4 The left end of the Figure 4 (as shown by the straight line 2203 passing through the shaking fulcrum and perpendicular to the axis line 2202).

[0022] In actual application, the heat source in the online heating device may also be electric heating (which is a common technique in this field and will not be described in detail here).

[0023] The working principle of the present invention is as follows: the yarn on the original bobbin 91 travels along the axial yarn feeding channel 220 in the rotating shaft 22 of the pay-off motor 21 and the radial yarn outlet channel 231 in the yarn outlet turntable 23, passes through the yarn outlet port 2311 of the yarn outlet turntable 23, and is wound around the yarn drum frame 24 and the yarn feed disc 25 by the rotation of the yarn outlet turntable 23. Since the yarn feed disc 25 is mounted on the eccentric oblique connecting section 2222 at the tail end of the outer section of the rotating shaft 22 of the pay-off motor 21, it is 2 shakes during the rotation, pushing the yarn wound on the bobbin frame 24 outwards circle by circle until it falls onto the automatic yarn moving boss 241 at the tail of the bobbin frame 24 in circle by circle, and under the action of its own gravity, it slides from the automatic yarn moving boss 241 to the yarn conveying mechanism 4 below it in the form of loop yarn 92, and enters the heating channel 31 of the heating box 3 along with the yarn conveying mechanism 4 to be heated and shaped, and finally the loop yarn 92 is rewound by the take-up device to become a finished package yarn 93.

[0024] In summary, the above is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. All equivalent changes and modifications made in accordance with the shape, structure, characteristics and spirit described in the scope of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A yarn bulking and setting machine, comprising: The base is provided with at least one yarn bulking and shaping unit, characterized in that: each yarn bulking and shaping unit includes: a pay-off device, an online heating device and a take-up device, the pay-off device includes: a pay-off frame, and a loop pay-off mechanism arranged on the pay-off frame with an inner side lower and an outer side higher tilted, the loop pay-off mechanism includes: a pay-off motor arranged on the pay-off frame, the rotating shaft of the pay-off motor includes: an inner section and an outer section, the outer section further includes: a concentric straight section that is concentric with and connected to the inner section, and an eccentric oblique section located at the tail of the outer section. The eccentric oblique connecting section is eccentric and inclined relative to the inner section of the machine, so that an angle is formed between the axis line of the eccentric oblique connecting section of the rotating shaft and the axis line of the inner section of the machine; a yarn outlet turntable that rotates synchronously with the inner section of the rotating shaft is provided on the concentric straight connecting section of the rotating shaft, and a yarn holder is provided on the concentric straight connecting section of the rotating shaft through a bearing on the outer side of the yarn outlet turntable, and a yarn feeding disk is movably provided on the eccentric oblique connecting section of the rotating shaft through a bearing, and a plurality of yarn feeding slots arranged along the axial direction are provided on the yarn feeding disk, and a yarn feeding notch is provided on the yarn feeding disk in a circumferential direction. The yarn feeding slots correspond to the strip-shaped protrusions one by one, and a rotation-stopping elastic body is provided between the yarn feeding disc and the yarn disc holder, so that the yarn feeding disc is pressed against the yarn disc holder through the rotation-stopping elastic body, while preventing the yarn feeding disc from rotating with the rotating shaft, and at the same time, it does not prevent the yarn feeding disc from shaking during the rotation of the rotating shaft. The yarn disc holder is provided with an automatic yarn moving boss on the outer side of the yarn feeding disc, and the automatic yarn moving boss is in a gradually smaller cone shape, and the diameter of the starting end of the automatic yarn moving boss is smaller than the outer diameter of the yarn feeding disc; the pay-off motor is provided with a fixed magnet on its casing, and the yarn disc holder A suspended magnet is provided on it which cooperates with the fixed magnet, so that the bobbin frame and the casing of the pay-off motor are kept relatively still by magnetic force; a radial yarn outlet channel is radially provided on the yarn outlet turntable, and the radial yarn outlet channel opens outward to form a yarn outlet; an axial yarn feed channel is provided in the rotating shaft which is communicated with the radial yarn outlet channel and passes through the inner section of the rotating shaft; the online heating device comprises: a heating box, a heating channel which passes through the heating box in the horizontal direction, and a yarn conveying mechanism which passes through the heating channel of the heating box.

2. The yarn bulking and setting machine according to claim 1, characterized in that: The intersection of the extension line of the axis of the eccentric oblique connecting section of the rotating shaft and the extension line of the axis of the inner section is the rocking fulcrum of the yarn feeding disk, and the rocking fulcrum corresponds to one end of the strip-shaped protrusion of the yarn feeding disk close to the automatic yarn moving boss.

3. The yarn bulking and setting machine according to claim 1, characterized in that: The angle between the axis of the eccentric oblique connecting section and the axis of the inner section is between 5 and 20 degrees.

4. The yarn bulking and setting machine according to claim 1, characterized in that: The radial yarn outlet channel and the axial yarn inlet channel are respectively provided with arc-shaped connecting sections with smooth transition at their connecting points.

5. The yarn bulking and setting machine according to claim 1, characterized in that: The casing of the pay-off motor comprises: a shell and an end cover arranged on the shell, and the fixed magnet is arranged on the back of the end cover.

6. The yarn bulking and setting machine according to claim 1, characterized in that: The heat source in the online heating device is steam.

7. The yarn bulking and setting machine according to claim 1, characterized in that: The heat source in the online heating device is electric heating.

8. The yarn bulking and setting machine according to any one of claims 1 to 7, characterized in that: The anti-rotation elastic body is made of foam or foam.

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