CN119061574B - Needle selection device for circular weft jacquard machine - Google Patents
Needle selection device for circular weft jacquard machine Download PDFInfo
- Publication number
- CN119061574B CN119061574B CN202411556013.7A CN202411556013A CN119061574B CN 119061574 B CN119061574 B CN 119061574B CN 202411556013 A CN202411556013 A CN 202411556013A CN 119061574 B CN119061574 B CN 119061574B
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- CN
- China
- Prior art keywords
- needle
- jacquard
- piece
- resistance
- selecting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009940 knitting Methods 0.000 claims abstract description 24
- 230000005489 elastic deformation Effects 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/66—Devices for determining or controlling patterns ; Programme-control arrangements
- D04B15/84—Jacquard cards or mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a needle selecting device of a circular weft jacquard, which belongs to the technical field of jacquard and comprises a needle cylinder, a first bottom ring and a second bottom ring which are mutually fixed, wherein the first bottom ring is fixedly provided with a connecting seat, the connecting seat is provided with a triangle component, the needle cylinder is provided with a needle groove, a knitting needle, a middle needle and a jacquard piece are arranged from top to bottom in the needle groove, the knitting needle, the middle needle and the jacquard piece are matched, the second bottom ring is provided with a needle selecting device and an auxiliary triangle which are connected with the jacquard piece, the side wall of the needle groove is provided with and communicated with a containing groove, the containing groove is connected with a resistance piece for increasing the movable resistance of the jacquard piece, the resistance piece is connected with the containing groove in a sliding way through a control piece, and the control piece is used for changing the corresponding area of the resistance piece and the jacquard piece. The needle selecting device of the circular weft jacquard ensures the stability and the accuracy in needle selecting, and simultaneously reduces the probability of the vibration to cause the actuation of jacquard pieces to be out of the needle.
Description
Technical Field
The invention relates to the technical field of jacquard, in particular to a needle selecting device of a circular weft jacquard.
Background
The circular weft jacquard is a textile device, the knitting needles of the circular weft jacquard are arranged on a circular needle cylinder, the knitting needles rotate along with the needle cylinder during knitting, and under the action of a triangle component, the knitting needles are discharged to hook yarns, and the yarns are bent into loops which are mutually sleeved in series, so that the knitting work of fabrics is performed.
When the needle carries out quick looping movement, the friction frequency between the needle and the needle groove of the needle cylinder is increased, in order to reduce friction heat generation and friction abrasion, lubricating oil is generally filled into the needle groove, so that an oil film is formed between the needle and the needle groove of the needle cylinder, and the friction coefficient is reduced, but when the needle is not selected, the jacquard sheet is easy to slide, the probability that the needle is out due to external vibration is increased, and the processing effect is influenced.
The existing device relies on the spring to drive the rubber block to contact with the jacquard sheet, so that the resistance of the jacquard sheet during driving is improved, and the probability of going out needles is reduced.
The application provides another technical scheme for solving the technical problem.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a needle selecting device of a circular weft jacquard.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a needle selecting device of circular weft jacquard, includes cylinder and bottom ring one and bottom ring two of mutual fixed, bottom ring one fixed mounting has the connecting seat, and the triangle subassembly is installed to the connecting seat, and the cylinder is formed with the needle groove, and needle, middle needle and jacquard weave piece are installed to the needle groove top-down, cooperate between needle, middle needle and the jacquard weave piece, and bottom ring two is installed and is connected with needle selector and the auxiliary triangle of jacquard weave piece, the holding tank has been seted up and is linked with the holding tank to the needle groove lateral wall, the holding tank is connected with the resistance spare that is used for increasing jacquard weave piece activity resistance, the resistance spare passes through control and holding tank sliding connection, the control is used for changing resistance spare and jacquard weave piece corresponding area, the resistance spare includes elastic support and two permanent magnetism piece, the elastic support includes elastic deformation portion and two extension, two the extension shaping is at elastic deformation portion both ends, elastic deformation portion and holding tank lateral wall looks butt, two the permanent magnetism piece is fixed respectively on two extension pieces, two the space that the permanent magnetism piece passed is formed to supply jacquard weave piece, the direct contact not with jacquard weave piece.
The invention is further arranged that the length direction of the extension part is perpendicular to the length direction of the jacquard sheet.
The invention is further arranged that the resistance piece further comprises two rubber blocks respectively arranged on the two extension parts, and the rubber blocks are wrapped outside the extension parts and the permanent magnet blocks.
The invention is further arranged that the two extending parts extend out of the needle groove and the accommodating groove, the control piece comprises an electromagnet fixed on the second bottom ring, the electromagnet is used for attracting the extending parts, and the electromagnet and the needle selector do not correspond to the same jacquard piece.
The invention is further characterized in that a bending part is formed at one end of the extending part far away from the elastic deformation part, and the two bending parts of the same elastic frame are abutted.
The invention is further arranged that a guiding inclined plane is formed at one end of the rubber block, which is far away from the elastic deformation part.
In summary, the invention has the following beneficial effects:
When the jacquard sheet corresponds to the needle selector, the corresponding area of the permanent magnet block and the jacquard sheet is minimum, so that the magnetic force applied to the jacquard sheet is small, the resistance to be overcome when the jacquard sheet is actuated by the needle selector is further reduced, the load of the needle selector is reduced, and when the jacquard sheet corresponds to the electromagnet, the corresponding area of the permanent magnet block and the jacquard sheet is maximum, so that the magnetic force applied to the jacquard sheet is large, the resistance to be overcome when the jacquard sheet moves is further increased, and the probability of the vibration to cause the needle to be moved out when the jacquard sheet is actuated is reduced.
Compared with the method of increasing contact pressure to improve the friction force and the movable resistance overcome during actuation, the method can reduce the friction abrasion to the jacquard sheet by means of magnetic force, so that the service life can be prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure between the needle cylinder and the jacquard sheet of the present invention;
FIG. 3 is a second schematic view of the structure between the cylinder and the jacquard sheet of the present invention;
fig. 4 is a schematic view of the structure of the electromagnet and the optional device of the present invention.
In the figure, 1, a first bottom ring, 2, a second bottom ring, 3, a needle cylinder, 4, a needle groove, 5, a knitting needle, 6, a middle needle, 7, a jacquard sheet, 8, a connecting seat, 9, a triangle component, 10, an auxiliary triangle, 11, a needle selector, 12, a containing groove, 13, an elastic deformation part, 14, an extension part, 15, a permanent magnet block, 16, a rubber block, 17, an electromagnet, 18 and a bending part.
Detailed Description
In the following description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in figure 1, the application provides a needle selecting device of a circular weft jacquard, which comprises a first bottom ring 1, a second bottom ring 2 and a needle cylinder 3, wherein the first bottom ring 1 and the second bottom ring 2 are mutually fixed through a connecting frame, the needle cylinder 3 is in a circular cylinder shape, the middle is hollowed out, the needle cylinder 3 can be arranged on a gear ring disk of the circular weft jacquard, a motor drives the needle cylinder 3 to rotate through the gear ring disk, a plurality of needle grooves 4 are annularly arranged on the outer side surface at intervals, a knitting needle 5, a middle needle 6 and a jacquard sheet 7 are arranged on the needle grooves 4 from top to bottom, the knitting needle 5, the middle needle 6 and the jacquard sheet 7 are abutted against each other from head to tail, the first bottom ring 1 is fixedly provided with a connecting seat 8, the connecting seat 8 is provided with a triangle component 9, in the embodiment, the triangle component 9 is a looping triangle, a looping auxiliary triangle 10 and a jacquard triangle are all formed with needle tracks from top to bottom, the knitting needle 5, the middle needle 6 and the jacquard sheet 7 are all formed with needle butts, the needle butts of the knitting needle 5 slide into the needle track of the knitting triangle, the needle butts of the middle needle 6 slide into the needle track of the knitting auxiliary triangle 10, the needle butts of the jacquard sheet 7 slide into the needle track of the jacquard triangle, the auxiliary triangle 10 is arranged on the bottom ring 2, the jacquard sheet 7 forms push needles which are propped against the auxiliary triangle 10, the bottom ring 2 is provided with needle selectors 11 through a bracket, in the circular weft jacquard, the needle selectors 11 are annularly arranged at intervals by taking the needle cylinder 3 as the center, the jacquard sheet 7 forms jacquard needles which are propped against the cutter heads of the needle selectors 11, the positions of the needle butts entering the jacquard sheet 7 are changed by means of the extrusion of the cutter heads of the needle selectors, and the needle outlet, the yarn hooking, the looping and the loop withdrawing of the knitting needle 5 in each knitting row are realized, so that jacquard knitting is performed.
As shown in fig. 1,2 and 3, the side wall of each needle groove 4 is provided with a containing groove 12, the containing groove 12 is communicated with the needle groove 4, in this embodiment, the containing groove 12 has a small space section towards the outside, and has a large space section towards the inside, wherein the containing groove 12 is connected with a resistance piece, the resistance piece comprises an elastic frame and two permanent magnet pieces 15 and two rubber pieces 16, the elastic frame comprises an elastic deformation portion 13 and two extension portions 14, the two extension portions 14 are formed at two ends of the elastic deformation portion 13, the elastic deformation portion 13 is abutted against the side wall of the containing groove 12 with a large part of the space section, the two extension portions 14 extend to the outside of the needle groove 4 and the containing groove 12, the two permanent magnet pieces 15 are respectively fixed on the two extension portions 14, the two rubber pieces 16 are respectively connected to the two extension portions 14, and the rubber pieces 16 are wrapped outside the extension portions 14 and the two rubber pieces 16, a space through which the jacquard piece 7 passes is formed between the two rubber pieces 16, and the permanent magnet pieces 15 are not in contact with the needle groove 4 at the same time by using the blocking of the rubber pieces 16, and the lubricating oil in the embodiment can not be made into the butadiene-acrylonitrile rubber pieces.
In this embodiment, the knitting needle 5, the middle needle 6, the jacquard sheet 7 and the elastic frame are all made of spring steel, so that the knitting needle is wear-resistant, compression-resistant and tough, when the permanent magnet 15 corresponds to the jacquard sheet 7, the permanent magnet 15 can generate a magnetic adsorption effect on the jacquard sheet 7, so that the resistance to be overcome when the jacquard sheet 7 is actuated is increased, the probability of the vibration causing the jacquard sheet 7 to go out of the needle is reduced, the friction force and the active resistance to be overcome when the contact pressure are increased to improve the actuation, the abrasion to the jacquard sheet 7 can be reduced by virtue of magnetic force, so that the service life can be prolonged, and in the initial state, the jacquard sheet 7 corresponds to part of the permanent magnet 15, and at the moment, the orthographic projection area of the permanent magnet 15, through the jacquard sheet 7, is minimized, so that the resistance to be overcome when the jacquard sheet 7 is actuated.
As shown in fig. 1, fig. 3 and fig. 4, the second bottom ring 2 is provided with a control member, the control member comprises an electromagnet 17, the electromagnet 17 is fixedly connected with a support of the second bottom ring 2, in the circular weft jacquard, the electromagnet 17 is annularly arranged at intervals by taking the needle cylinder 3 as a center, and one electromagnet 17 is arranged between two adjacent needle selectors 11, so that the electromagnet 17 and the needle selectors 11 do not correspond to the same jacquard sheet 7, and when the electromagnet 17 corresponds to the jacquard sheet 7, the electromagnet 17 also corresponds to two extension parts 14 of the elastic frame, when the electromagnet 17 is electrified, and when the jacquard sheet 7 corresponds to the electromagnet 17, the electromagnet 17 corresponds to the two extension parts 14, attraction is generated, the extension parts 14 slide towards the direction close to the electromagnet 17, the elastic deformation parts 13 deform under the sliding drive of the extension parts 14, one end of the rubber block 16 away from the elastic deformation parts 13 is provided with a guiding inclined plane, and the guiding inclined plane can guide the relative sliding between the rubber block 16 and the jacquard sheet 7.
As shown in fig. 1,3 and 4, when the extension portion 14 slides towards the electromagnet 17, the permanent magnet 15 slides along with the extension portion 14, so that the corresponding area of the jacquard sheet 7 and the permanent magnet 15 is increased, and the orthographic projection area of the magnetic induction line of the permanent magnet 15 passing through the jacquard sheet 7 is increased, so that the resistance required to be overcome by the actuation of the jacquard sheet 7 in this state is increased, meanwhile, a bending portion 18 is formed at one end of the extension portion 14 away from the elastic deformation portion 13, two bending portions 18 of the same elastic frame are abutted, the bending portion 18 can reduce the deformation of the extension portion 14, and the area corresponding to the electromagnet 17 can be increased, thereby ensuring that the electromagnet 17 can attract the extension portion 14.
When the jacquard sheet 7 corresponds to the needle selector 11, the permanent magnet 15 has small sliding resistance to the jacquard sheet 7, so that the resistance to be overcome when the jacquard sheet 7 is actuated by the needle selector 11 is reduced, the load of the needle selector 11 is reduced, the stability and the accuracy of needle selection are ensured, when the jacquard sheet 7 does not correspond to the needle selector 11, but corresponds to the electromagnet 17, the permanent magnet 15 has large sliding resistance to the jacquard sheet 7, the resistance to be overcome when the jacquard sheet 7 moves is increased, and the probability of the needle to be moved out due to the actuation of the jacquard sheet 7 caused by vibration is reduced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (5)
1. The needle selecting device of the circular weft jacquard comprises a needle cylinder, a first bottom ring and a second bottom ring which are mutually fixed, wherein the first bottom ring is fixedly provided with a connecting seat, the connecting seat is provided with a triangular component, the needle cylinder is provided with a needle groove, a knitting needle, a middle needle and a jacquard piece are arranged from top to bottom, the knitting needle, the middle needle and the jacquard piece are matched, the second bottom ring is provided with a needle selecting device and an auxiliary triangle which are connected with the jacquard piece, the needle selecting device is characterized in that the side wall of the needle groove is provided with and communicated with a containing groove, the containing groove is connected with a resistance piece for increasing the movable resistance of the jacquard piece, the resistance piece is in sliding connection with the containing groove through a control piece, the control piece is used for changing the corresponding area of the resistance piece and the jacquard piece, the resistance piece comprises an elastic frame and two permanent magnet blocks, the elastic frame comprises an elastic deformation part and two extending parts, the two extending parts are formed at two ends of the elastic deformation part, the elastic deformation part is abutted against the side wall of the containing groove, the two permanent magnet blocks are respectively fixed on the two extending parts, a space for forming a permanent magnet block to pass through the permanent magnet blocks, and the electromagnet is not in contact with the two electromagnet, and the two electromagnet is not fixed on the two electromagnet grooves.
2. The needle selecting device of a circular knitting jacquard as claimed in claim 1, wherein the length direction of the extending portion is perpendicular to the length direction of the jacquard sheet.
3. The needle selecting device of a circular knitting jacquard machine as claimed in claim 1, wherein the resistance member further comprises two rubber blocks respectively arranged on the two extending portions, and the rubber blocks are wrapped outside the extending portions and the permanent magnet blocks.
4. The needle selecting device of a circular knitting jacquard as claimed in claim 1, wherein the extending portion is formed with a bending portion at one end far away from the elastic deformation portion, and two bending portions of the same elastic frame are abutted against each other.
5. A needle selecting device of a circular weft jacquard machine according to claim 3, wherein the rubber block is formed with a guide slope at an end far from the elastic deformation portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411556013.7A CN119061574B (en) | 2024-11-04 | 2024-11-04 | Needle selection device for circular weft jacquard machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411556013.7A CN119061574B (en) | 2024-11-04 | 2024-11-04 | Needle selection device for circular weft jacquard machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119061574A CN119061574A (en) | 2024-12-03 |
| CN119061574B true CN119061574B (en) | 2025-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411556013.7A Active CN119061574B (en) | 2024-11-04 | 2024-11-04 | Needle selection device for circular weft jacquard machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119061574B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455545A (en) * | 2020-05-20 | 2020-07-28 | 泉州市鼎丰针织机械有限公司 | Anti-disorder needle outlet device of double-sided jacquard |
| CN219157130U (en) * | 2023-01-10 | 2023-06-09 | 绍兴迅越科技有限公司 | Jacquard needle selection assembly capable of accurately moving |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4143438B2 (en) * | 2003-02-24 | 2008-09-03 | キヤノン株式会社 | Support apparatus, exposure apparatus, and device manufacturing method |
| CN100529220C (en) * | 2003-10-10 | 2009-08-19 | 株式会社岛精机制作所 | Sliding resistance additional device for flat knitting machine |
| JP5981756B2 (en) * | 2012-04-13 | 2016-08-31 | 富士電機機器制御株式会社 | Magnetic contactor |
| CN111173674A (en) * | 2020-02-10 | 2020-05-19 | 内蒙古工业大学 | A wind turbine blade damping device capable of resisting strong winds |
| CN117306081A (en) * | 2023-09-27 | 2023-12-29 | 西安工程大学 | A magnetic levitation knitting needle driving mechanism |
| CN118426034A (en) * | 2024-05-10 | 2024-08-02 | 西安石油大学 | Magnetically Damped Fiber Bragg Grating Geophone |
-
2024
- 2024-11-04 CN CN202411556013.7A patent/CN119061574B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455545A (en) * | 2020-05-20 | 2020-07-28 | 泉州市鼎丰针织机械有限公司 | Anti-disorder needle outlet device of double-sided jacquard |
| CN219157130U (en) * | 2023-01-10 | 2023-06-09 | 绍兴迅越科技有限公司 | Jacquard needle selection assembly capable of accurately moving |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119061574A (en) | 2024-12-03 |
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