A needle hair cutting device

Abstract

The present invention provides a needle cylinder hair cutting device, which can produce untwisted feather yarn and ensure that the yarn will not be twisted together during the yarn making process. It includes a cam sleeve, the inner cavity of the cam sleeve is provided with a needle cylinder, the needle cylinder is arranged with a corresponding cutting knife and hook needle, the cam sleeve is externally connected with a rotary drive structure, the upper end surface of the cam sleeve is provided with a rotating shaft, one end of the reciprocating rod is sleeved on the top position of the rotating shaft, the other end of the reciprocating rod is supported by the corresponding guide slot hole of the support rod and exposed to the guide slot hole, the bottom of the support rod is supported by the corresponding support member through the first bearing structure, the upper end surface of the reciprocating rod near the rotating shaft is fixed with a yarn guide seat, the length direction of the yarn guide seat is perpendicular to the reciprocating rod, and the upper end surface of the yarn guide seat is arranged with a first yarn guide port and a second yarn guide port.

Description

Technical Field

[0001] The invention relates to the technical field of textiles, in particular to a needle-cylinder wool cutting device. Background Art

[0002] The needle-cut feather yarn has a strong plush feel because the crochet hooks the core yarn and the decorative yarn firmly and the cutter cuts the decorative yarn to form feathers. Such feather yarn will not shed hair and has a strong plush feel. It is widely used in clothing, blankets, scarves and other industries. The method for making the feather yarn is as follows: Figure 1 , the needle cylinder rotates, the cam and its outer sleeve are stationary, the core yarn and the decorative yarn are fed from the stationary yarn guide port, and the finished yarn is drawn out from the center hole of the needle cylinder. Because the needle cylinder is rotating all the time, the finished yarn will be twisted, so the finished yarn will have twist. Feather yarn with twist will affect the subsequent process, that is, the cloth piece will be tilted after weaving. To eliminate this effect, the feather yarn must be shaped or untwisted, which adds a process. To make untwisted feather yarn, the needle cylinder must not rotate, that is, the hook and the cutter must not rotate (only move up and down), so that the cam rotates, and the yarn guide port also rotates around the needle cylinder, that is, around the hook and the cutter, which leads to a new problem: the two yarn guide ports fixed on the cam sleeve rotate relative to each other with the rotation of the cam sleeve, and one yarn guide port rotates around the other yarn guide port. If the cam sleeve rotates one circle, one yarn guide port rotates one circle around the other yarn guide port. If this continues, the yarns on the two yarn guide ports will be twisted together and cannot be drawn out, and production cannot be continued. Summary of the invention

[0003] In view of the above problems, the present invention provides a needle-cylinder feather cutting device, which can produce untwisted feather yarn and ensure that the yarns will not be twisted together during the yarn making process.

[0004] The cam sleeve has a top end which is fixedly provided with a needle cylinder, and a corresponding cutting knife and a hook needle are arranged on the needle cylinder. The cam sleeve is externally connected with a rotary driving structure. The upper end surface of the cam sleeve is provided with a rotating shaft, and one end of the reciprocating rod is sleeved on the top position of the rotating shaft, and the other end of the reciprocating rod is supported by the corresponding guide slot hole of the support rod and exposed to the guide slot hole. The bottom of the support rod is supported by the corresponding supporting member through the first bearing structure, and the upper end surface of the reciprocating rod close to the rotating shaft is fixedly provided with a yarn guide port seat, the length direction of the yarn guide port seat is perpendicular to the reciprocating rod, and the upper end surface of the yarn guide port seat is arranged with a first yarn guide port and a second yarn guide port, and the height of the first yarn guide port and the second yarn guide port are arranged within the surface area of ​​the vertical movement of the cutting knife and the hook needle.

[0005] The further feature is that: the two ends of the yarn guide seat in the length direction are arranged on both sides of the reciprocating rod, and the first yarn guide port and the second yarn guide port are arranged on the upper end surface of the yarn guide seat at both sides of the reciprocating rod, so as to ensure convenient arrangement and yarn guiding;

[0006] The rotating shaft is specifically composed of a vertical extension rod and a bottom support bearing structure. The bottom of the vertical extension rod is inserted into the inner ring of the bottom support bearing structure. The bottom support bearing structure is fixedly mounted on the upper end surface of the cam sleeve. The corresponding end of the reciprocating rod is provided with a bearing. The top of the vertical extension rod is inserted into the corresponding inner ring of the bearing.

[0007] The length of the other end of the reciprocating rod exposed from the guide slot ensures that at least a portion of the reciprocating rod is located in the guide slot after one end of the reciprocating rod rotates around the cam sleeve for one circle;

[0008] The first bearing structure includes a first bearing and a first bearing seat. The first bearing seat is fixed to the upper surface of the support member. The first bearing is installed in the first bearing seat. The bottom of the support rod is inserted into the inner ring of the first bearing to ensure smooth and reliable radial rotation of the support rod.

[0009] After adopting the present invention, the yarn guide openings of the core yarn and the decorative yarn are not fixed on the cam sleeve, and when the cam sleeve rotates, it will drive the reciprocating rod to reciprocate, and the first yarn guide opening and the second yarn guide opening on the yarn guide opening seat will rotate around the hook needle and the cutting knife on the needle cylinder. Although there is a slight angular displacement between the two yarn guide openings, after the cam sleeve rotates one circle, the positive and negative angular displacements cancel each other out, and the two yarn guide openings will not rotate relative to each other, so that the yarns on the two yarn guide openings will definitely not be twisted together; in summary, untwisted feather yarn can be produced to ensure that the yarns will not be twisted together during the yarn making process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of an existing needle-cutting hair device.

[0011] Figure 2 It is a schematic diagram of the main structure of the present invention;

[0012] Figure 3 for Figure 2 A schematic diagram of a top view structure;

[0013] The names corresponding to the serial numbers in the figure are as follows:

[0014] Cam sleeve 1, needle cylinder 2, cutting knife 3, hook needle 4, extension rod 5, yarn guide port seat 6, reciprocating rod 7, support rod 8, guide slot hole 81, bearing seat 9, first yarn guide port 10, second yarn guide port 11, support member 12, bottom support bearing structure 13, first bearing 14. DETAILED DESCRIPTION

[0015] A needle-cutting hair device, see Figure 2 , Figure 3 : It includes a cam sleeve 1, the inner cavity of the cam sleeve 1 is provided with a needle cylinder 2, and the needle cylinder 2 is arranged with corresponding cutting knives 3 and hook needles 4, the cam sleeve is externally connected with a rotary drive structure (not shown in the figure, belonging to the existing mature structure), the upper end surface of the cam sleeve 1 is arranged with a rotating shaft, one end of the reciprocating rod 7 is sleeved on the top position of the rotating shaft, the other end of the reciprocating rod 7 is supported by the corresponding guide slot 81 of the support rod 8 and is exposed in the guide slot 81, the bottom of the support rod 8 is supported by the corresponding supporting member 12 through the first bearing structure, and the upper end surface of the reciprocating rod 7 close to the rotating shaft is fixed with a yarn guide port seat 6, the length direction of the yarn guide port seat 6 is perpendicular to the reciprocating rod 7, and the upper end surface of the yarn guide port seat 6 is arranged with a first yarn guide port 10 and a second yarn guide port 11, and the heights of the first yarn guide port 10 and the second yarn guide port 11 are arranged within the surface area of ​​the vertical movement of the cutting knife and the hook needle.

[0016] Its further feature is that the two ends of the yarn guide seat 6 in the length direction are arranged on both sides of the reciprocating rod 7, and the first yarn guide port 10 and the second yarn guide port 11 are arranged on the upper end surface of the yarn guide seat 6 at both sides of the reciprocating rod 7, respectively, to ensure convenient arrangement and yarn guiding;

[0017] The rotating shaft is specifically composed of a vertical extension rod 5 and a bottom supporting bearing structure 13. The bottom of the vertical extension rod 5 is inserted into the inner ring of the bottom supporting bearing structure 13. The bottom supporting bearing structure 13 is fixedly mounted on the upper end surface of the cam sleeve 1. The corresponding end of the reciprocating rod 7 is provided with a bearing. The top of the vertical extension rod 5 is inserted into the corresponding inner ring of the bearing.

[0018] The length of the other end of the reciprocating rod 7 exposed from the guide slot 81 ensures that at least a portion of the reciprocating rod 7 is located in the guide slot 81 after one end of the reciprocating rod 7 rotates around the cam sleeve for one circle;

[0019] The first bearing structure includes a first bearing 14 and a first bearing seat 9. The first bearing seat 9 is fixed to the upper surface of the support 12. The first bearing 14 is installed in the first bearing seat 9. The bottom of the support rod 8 is inserted into the inner ring of the first bearing 14 to ensure smooth and reliable radial rotation of the support rod 8.

[0020] Its working principle is as follows: the yarn guide port of the core yarn and the decorative yarn is not fixed on the cam sleeve. When the cam sleeve rotates, it will drive the reciprocating rod to move back and forth. The first yarn guide port and the second yarn guide port on the yarn guide port seat will rotate around the hook and the cutting knife on the needle cylinder. Although there is a slight angular displacement between the two yarn guide ports, after the cam sleeve rotates one circle, the positive and negative angular displacements cancel each other out, and the two yarn guide ports will not rotate relative to each other, so that the yarns on the two yarn guide ports will definitely not be twisted together; in summary, it can produce twist-free feather yarn to ensure that the yarns will not be twisted together during the yarn making process.

[0021] The above is a detailed description of the specific embodiments of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of this patent.

Claims

1. A needle-type hair cutting device, characterized in that: The invention comprises a cam sleeve, wherein the inner cavity of the cam sleeve is provided with a needle cylinder, and the needle cylinder is provided with a corresponding cutting knife and a hook needle, the cam sleeve is externally connected with a rotary driving structure, and the upper end surface of the cam sleeve is provided with a rotating shaft, one end of a reciprocating rod is sleeved on the top position of the rotating shaft, and the other end of the reciprocating rod is supported by a corresponding guide slot hole of a support rod and exposed to the guide slot hole, and the bottom of the support rod is supported by a first bearing structure on a corresponding supporting member, and a yarn guide port seat is fixedly installed on the upper end surface of the reciprocating rod near the rotating shaft, and the length direction of the yarn guide port seat is perpendicular to the reciprocating rod, and the upper end surface of the yarn guide port seat is arranged with a first yarn guide port and a second yarn guide port, and the height of the first yarn guide port and the second yarn guide port are arranged within the surface area of ​​the vertical movement of the cutting knife and the hook needle; The two ends of the yarn guide seat in the length direction are arranged on both sides of the reciprocating rod, and the first yarn guide port and the second yarn guide port are respectively arranged on the upper end surface of the yarn guide seat at the two sides of the reciprocating rod; The rotating shaft is specifically composed of a vertical extension rod and a bottom supporting bearing structure. The bottom of the vertical extension rod is inserted into the inner ring of the bottom supporting bearing structure. The bottom supporting bearing structure is fixedly mounted on the upper end surface of the cam sleeve. The corresponding end of the reciprocating rod has a bearing, and the top of the vertical extension rod is inserted into the corresponding inner ring of the bearing.

2. A needle-type hair cutting device as claimed in claim 1, characterized in that: The length of the other end of the reciprocating rod exposed from the guide slot ensures that after one end of the reciprocating rod rotates around the cam sleeve for one circle, at least a part of the reciprocating rod is located in the guide slot.

3. A needle-type hair cutting device as claimed in claim 1, characterized in that: The first bearing structure includes a first bearing and a first bearing seat. The first bearing seat is fixed to the upper surface of the support member. The first bearing is installed in the first bearing seat. The bottom of the support rod is inserted into the inner ring of the first bearing.

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