CN219010619U - Primary and secondary knitting needle - Google Patents
Primary and secondary knitting needle Download PDFInfo
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- CN219010619U CN219010619U CN202222662294.7U CN202222662294U CN219010619U CN 219010619 U CN219010619 U CN 219010619U CN 202222662294 U CN202222662294 U CN 202222662294U CN 219010619 U CN219010619 U CN 219010619U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The utility model relates to the field of textile machinery, in particular to a primary-secondary knitting needle for a circular weft knitting machine, which comprises a primary needle and a secondary needle, wherein the secondary needle comprises a first needle bar, a needle butt and a first needle hook, the primary needle comprises a second needle bar and a second needle hook, a connecting lug is fixedly connected between the needle butt and the first hook needle, the other end of the connecting lug is movably connected with the second needle bar, the connecting lug can move along the length direction of the second needle bar, and a limiting piece for limiting the moving range of the connecting lug is arranged on the second needle bar. The utility model provides a knitting needle of a double-needle system for the first time, which can play a role of widening the width of a needle hook, slow down the yarn feeding angle of the needle hook, solve the problem that a weft knitting machine with a thick needle or a common thin needle distance can not finish knitting of relatively thin yarns and industrial fabrics which are more suitable for high-performance fibers with high rigidity, effectively reduce defective rate and equipment failure rate of the knitting of the yarns and improve production efficiency.
Description
Technical Field
The utility model relates to the field of textile machinery, in particular to a primary and secondary knitting needle for a circular weft knitting machine.
Background
The formation of weft knitted fabrics is accomplished by means of the needles and other associated elements of the knitting machine, which play an important role in the knitting process. The common knitting needles are divided into latch needles, compound needles and crochet needles, but the knitting needles in the prior art are all single needles, and in the knitting process, when knitting rigidity is relatively high, but yarns are relatively thin high-performance yarns such as polyimide, glass fibers and carbon fibers, the yarns are easy to damage due to relatively dense needle pitches and relatively steep yarn feeding angles, the knitting needles are easy to break, equipment failure rate and product defect rate are high, and production efficiency is influenced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a primary knitting needle and a secondary knitting needle, wherein the primary knitting needle and the secondary knitting needle can be controlled to work in a single needle or in a double needle mode through a double needle system, and when the double needles work, the yarn feeding angle can be slowed down, so that the problems of high-performance spun yarn knitting defect rate and high equipment failure rate are solved.
The primary and secondary knitting needle comprises a primary needle and a secondary needle, wherein the secondary needle comprises a first needle bar, a needle butt and a first needle hook, the primary needle comprises a second needle bar and a second needle hook, a connecting lug is fixedly connected between the needle butt and the first needle hook, the other end of the connecting lug is movably connected with the second needle bar, the connecting lug can move along the length direction of the second needle bar, and a limiting piece for limiting the moving range of the connecting lug is arranged on the second needle bar.
Further, the coupling lug is integrally connected with the first needle bar.
Further, a sub-needle connecting buckle is arranged on the second needle bar, a first protruding limiting piece and a second protruding limiting piece are respectively arranged at the upper end and the lower end of the sub-needle connecting buckle, and the whole sub-needle connecting buckle is of an inverted concave groove-shaped structure.
Further, one end of the coupling ear connected with the second needle bar is matched with the sub-needle coupling buckle in size and can move along the sub-needle coupling buckle.
Further, when the coupling lug is contacted with the second limiting piece positioned at the lower end of the sub-needle coupling buckle, the tops of the first needle hook and the second needle hook are leveled, and when the coupling lug is contacted with the first limiting piece positioned at the upper end of the sub-needle coupling buckle, the top of the first needle hook is 3.5mm higher than the top of the second needle hook.
Further, the female needle is a latch needle, and further comprises a first latch needle and a first latch needle pin which connects the first latch needle with the first needle hook and enables the first latch needle to rotate.
Further, the sub-needle is a latch needle, and further comprises a second latch and a second latch pin which connects the second latch and the second needle hook and enables the second latch to rotate.
Furthermore, the sub-needles and the mother needles are crochet needles.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a knitting needle of a double-needle system for the first time, which can play a role of widening the width of a needle hook only, so that the yarn feeding angle of the hook needle is slowed down, the problem that a weft knitting machine with a thick needle or a common thin needle pitch cannot finish weaving of industrial fabrics with relatively thin rigid yarns, which are more suitable for high-performance fibers with high rigidity, is solved, the defective rate and the equipment failure rate of the yarn weaving are effectively reduced, and the production efficiency is improved.
2 the structure of the movable connected son needle and the connecting lug enables the son and mother needles to be capable of controlling the son needle and the mother needle to be simultaneously needle out or only the mother needle to be needle out through adjusting the needle out mode of the son needle and the triangle base, thereby obtaining two knitting modes and being applicable to yarns with different specifications;
and 3, when the son needles and the mother needles work simultaneously, the yarn feeding device is suitable for high-performance yarns with relatively high rigidity, but relatively thin yarns, such as polyimide, glass fibers, carbon fibers and the like, so that the yarn feeding angle is relatively gentle, the damage of the yarns and the damage of knitting needles can be reduced, and simultaneously, relatively thin high-performance fibers can be smoothly woven.
Drawings
FIG. 1 is a schematic view of a primary and secondary knitting needle according to an embodiment of the utility model;
FIG. 2 is a schematic view showing another state structure of the primary and secondary knitting needles according to the embodiment of the utility model;
FIG. 3 is a schematic top view of a primary and secondary knitting needle according to an embodiment of the utility model;
FIG. 4 is a schematic view of a sub-needle coupling buckle of a sub-needle according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a triangular base according to an embodiment of the present utility model;
fig. 6 is a schematic view showing the states of the primary and secondary knitting needles and the cam base according to embodiment 3 of the present utility model;
fig. 7 is a schematic view showing the states of the primary and secondary knitting needles and the cam base according to embodiment 4 of the present utility model;
FIG. 8 is a schematic view of the structure of a parent-child knitting needle during knitting according to an embodiment of the utility model;
fig. 9 is a schematic diagram of braiding according to an embodiment of the present utility model.
A female needle 1, a first needle bar 10, a needle butt 11, a first needle hook 12, a sub needle 2, a second needle bar 20, a sub needle connecting buckle 200, a first limiting piece 201, a second limiting piece 202, a second needle hook 21 and a connecting lug 3.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings.
Example 1
As shown in fig. 1-3, the present embodiment provides a primary-secondary knitting needle, which includes a primary needle 2 and a secondary needle 1, wherein the secondary needle 1 includes a first needle bar 10, a needle butt 11, and a first needle hook 12, the primary needle 2 includes a second needle bar 20, a second needle hook 21, a coupling lug 3 is fixedly connected between the needle butt 11 and the first hook needle 12, the other end of the coupling lug 3 is movably connected with the second needle bar 20, the coupling lug 3 can move along the length direction of the second needle bar 20, and a limiting member for limiting the movement range of the coupling lug 3 is disposed on the second needle bar 20.
As a preferred mode of this embodiment, the coupling lug is integrally connected with the first needle bar.
The double needles of the primary and secondary knitting needles can play a role of widening the width of the needle hooks only, slow down the yarn feeding angle, solve the problem that a weft knitting machine with a thick needle or a common thin needle pitch can not finish knitting of relatively thin yarns and industrial fabrics which are more suitable for high-performance fibers with high rigidity, effectively reduce defective rate and equipment failure rate of the yarn knitting and improve production efficiency.
Example 2
In this embodiment, as shown in fig. 4, a sub-needle coupling buckle 200 is disposed on the second needle shaft 20, a first protruding limiting member 201 and a second protruding limiting member 202 are disposed at the upper end and the lower end of the sub-needle coupling buckle 200, respectively, and the sub-needle coupling buckle 200 is in an inverted concave groove structure as a whole. One end of the coupling ear 3 connected to the second needle bar 20 is size-matched with the sub-needle coupling buckle 200 and movable in the length direction of the sub-needle coupling buckle 200.
Example 3
The present embodiment exemplarily gives the state that the sub-needle 2 and the mother needle 1 of the sub-mother needle structure of the above embodiment participate in knitting at the same time, and the present sub-mother needle is applied to a single-sided circular weft knitting machine, and may adopt a triangle base structure as shown in fig. 5, where the relationship between the sub-needle 2 and the mother needle 1 and the triangle base is as shown in fig. 6, when the needle butt 11 is located at the highest point of the track of the triangle base, when the coupling lug 3 contacts with the first limiting member 201, the difference between the heights of the tops of the sub-needle 2 and the mother needle 1 is the largest at this time, and at this time, the lower edge of the second hook 21 of the sub-needle 2 is higher than the needle cylinder opening by 0.5mm, and then the lower edge of the first hook 12 of the mother needle 1 is higher than the needle cylinder by 4mm, and both the sub-needle and the mother needle can eat yarn, thereby realizing the simultaneous knitting of the sub-needle and the mother needle.
Example 4
In this embodiment, the state that only the female needle 1 participates in knitting in the primary-secondary knitting needle of the above embodiment is exemplarily given, and the relationship between the primary needle 2 and the female needle 1 and the triangular base is shown in fig. 7, when the needle butt 11 is located at the highest point of the track of the triangular base, and the coupling lug 3 contacts with the first limiting member 201, the height difference between the tops of the primary needle 2 and the secondary needle 1 is the largest at this time and is 3.5mm, and at this time, the lower edge of the second needle hook 21 of the primary needle 2 is lower than the needle cylinder opening by 0.8mm, then the lower edge of the first needle hook 12 of the secondary needle 1 is higher than the needle cylinder by 2.7mm, then the primary needle corresponds to a half needle, and no yarn is consumed, so that only the primary needle participates in knitting can be realized.
The knitting states of the sub-needles and the mother needles in the embodiment can be realized by adjusting the triangle track of the triangle, so that the knitting structure that the letter needles are knitted simultaneously and only the mother needles are knitted in different knitting paths of the same fabric can be realized.
The following exemplifies the state structure of the sub-needle and the mother needle in the knitting process, as shown in fig. 8, when the needle butt 11 is positioned at the highest point of the track of the triangle base, when the coupling lug 3 is in contact with the first limiting piece 201, the height difference between the tops of the sub-needle 2 and the mother needle 1 is the largest and is 3.5mm, and when the lower edge of the second needle hook 21 of the sub-needle 2 is lower than the needle cylinder opening by 0.8mm, the lower edge of the first needle hook 12 of the mother needle 1 is higher than the needle cylinder by 2.7mm, and in the next step, the needle butt 11 of the mother needle 1 descends along the triangle track in the triangle base, the sub-needle 2 is kept unchanged in height, and after the mother needle descends by 3.5mm, the coupling lug is in contact with the second limiting piece 202 and drives the sub-needle to continue moving together.
As shown in fig. 9, a schematic diagram of a knitting process when both the sub-needle and the main needle participate in knitting is exemplarily given.
When the needle lifting cam is adjusted to the position where the sub needle 2 and the mother needle 1 are both in the loop, that is, the lower edges of the hooks of the sub needle 2 and the mother needle 1 are higher than the needle opening in the state, the state can be referred to fig. 6, at this time, when the sub needle 2 is in the needle lifting position in the knitting process, the yarns are fed together with the mother needle 1, the yarns are simultaneously fed, the effect of simultaneous knitting is achieved, and when the yarns are pressed, the coupling lug 3 moves downwards along the sub needle coupling buckle 200 to be in contact with the second limiting piece 202, the sub needle and the mother needle simultaneously move downwards, at this time, the hooks of the sub needle 2 and the mother needle 1 are positioned at the same height and participate in the subsequent knitting action together.
Compared with the looping process of the latch needle in the prior art, the utility model can lead the yarn feeding angle of the needle hook to be more gentle under the condition of not changing the original needle pitch.
In a preferred manner, in the above embodiment, the female needle 1 is a latch needle, and further includes a first latch and a first latch pin that connects the first latch and the first hook 12 and rotates the first latch; the sub-needle 2 is a latch needle, and further comprises a second latch and a second latch pin which connects the second latch with the second hook 21 and enables the second latch to rotate.
In a preferred manner, in the above embodiment, the sub-needle 2 and the mother needle 1 are both hooked needles.
It should be noted that, in the description of the present utility model, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is merely for convenience and simplicity of describing the present utility model, and does not indicate or imply that the apparatus or elements shown must have a specific orientation or positional relationship, and thus should not be construed as limiting the present utility model. In the present utility model, "connected" is understood to mean a broad-sense connection, and may be, for example, a mechanical connection, an electrical connection, or a connection between elements, or a direct connection, or an indirect connection via a medium. The meaning of the above terms in the present utility model can be specifically understood by those skilled in the art according to actual circumstances.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The primary and secondary knitting needle is characterized in that: the novel needle comprises a son needle and a mother needle, wherein the mother needle comprises a first needle bar, a needle butt and a first needle hook, the son needle comprises a second needle bar and a second needle hook, a connecting lug is fixedly connected between the needle butt and the first needle hook, the other end of the connecting lug is movably connected with the second needle bar, the connecting lug can move along the length direction of the second needle bar, and a limiting piece used for limiting the moving range of the connecting lug is arranged on the second needle bar.
2. A parent-child needle according to claim 1, characterized in that: the coupling lug is integrally connected with the first needle bar.
3. A parent-child needle according to claim 1, characterized in that: the second needle bar is provided with a sub-needle connecting buckle, the upper end and the lower end of the sub-needle connecting buckle are respectively provided with a first protruding limiting piece and a second protruding limiting piece, and the whole sub-needle connecting buckle is of an inverted concave groove-shaped structure.
4. A parent-child needle according to claim 3, wherein: one end of the connecting lug connected with the second needle bar is matched with the sub-needle connecting buckle in size and can move along the sub-needle connecting buckle.
5. A parent-child needle according to claim 4, wherein: when the connecting lug is contacted with the second limiting piece positioned at the lower end of the sub-needle connecting buckle, the tops of the first needle hook and the second needle hook are leveled, and when the connecting lug is contacted with the first limiting piece positioned at the upper end of the sub-needle connecting buckle, the top of the first needle hook is 3.5mm higher than the top of the second needle hook.
6. A parent-child knitting needle according to claim 1 or 2, characterized in that: the female needle is a latch needle and further comprises a first latch needle and a first latch needle pin which is connected with the first latch needle and the first needle hook and enables the first latch needle to rotate.
7. A parent-child knitting needle according to claim 1 or 2, characterized in that: the sub-needle is a latch needle and further comprises a second latch needle which is connected with the second latch needle and the second needle hook and enables the second latch needle to rotate.
8. A parent-child knitting needle according to claim 1 or 2, characterized in that: the sub-needles and the mother needles are crochet needles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222662294.7U CN219010619U (en) | 2022-10-10 | 2022-10-10 | Primary and secondary knitting needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222662294.7U CN219010619U (en) | 2022-10-10 | 2022-10-10 | Primary and secondary knitting needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219010619U true CN219010619U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222662294.7U Active CN219010619U (en) | 2022-10-10 | 2022-10-10 | Primary and secondary knitting needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219010619U (en) |
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2022
- 2022-10-10 CN CN202222662294.7U patent/CN219010619U/en active Active
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