CN204690253U - A kind of prestressing force needle selection device knitting machine - Google Patents
A kind of prestressing force needle selection device knitting machine Download PDFInfo
- Publication number
- CN204690253U CN204690253U CN201520344996.8U CN201520344996U CN204690253U CN 204690253 U CN204690253 U CN 204690253U CN 201520344996 U CN201520344996 U CN 201520344996U CN 204690253 U CN204690253 U CN 204690253U
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- prestressing force
- hole
- piezoelectric vibrator
- main boom
- main
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Abstract
The utility model relates to a kind of prestressing force needle selection device knitting machine, comprising: frame, two location-plates, needle selecting knife and prestressing force piezoelectric vibrators, wherein: left arm and the right arm of described frame are furnished with pin-and-hole, be connected with two location-plates by bolt; Described needle selecting knife is connected with prestressing force piezoelectric vibrator by U-type groove; Described prestressing force piezoelectric vibrator is fixed in the locating hole of location-plate; Described prestressing force piezoelectric vibrator is made up of elastic base plate and piezoelectric sheet material; Described elastic base plate is furnished with two symmetrical secondary cantilevers in main boom both sides; The utility model is widely used in weaving light industry field, and under identical alternating voltage, prestressing force piezoelectric vibrator amplitude compared with conventional piezoelectric oscillator is larger thus can increase the service life.
Description
Technical field
The invention belongs to weaving light industry field, be specifically related to a kind of prestressing force needle selection device knitting machine.
Background technology
At present, known piezoelectric ceramic needle selecting machine is the bending driving principle design utilizing piezoelectric ceramics symmetric double diaphragm, is made up of frame, piezoelectric ceramics driving piece, needle selecting knife and jockey.Traditional piezoelectric vibrator cantilever beam one end is clamped, occur bending and deformation and form the power of free end and displacement exports, its motion is fairly simple, vibration mode is more single, there is power output and the less problem of output displacement, higher in order to reach the power-on voltage that required output displacement needs, cause the life-span of piezoelectric vibrator shorter, change piezoelectric vibrator and have impact on production efficiency.
Summary of the invention
In order to solve short problem in piezoelectric vibrator service life of being applied to slide cam selector at present, have employed prestressing force piezoelectric vibrator as driving element, this piezoelectric vibrator cantilever beam compares with conventional piezoelectric oscillator cantilever beam, has the advantage that amplitude is large, thus reduce operating voltage, can increase the service life.
To achieve these goals, the present invention is by the following technical solutions:
A kind of prestressing force needle selection device knitting machine of the present invention, comprises frame, two location-plates, needle selecting knife and prestressing force piezoelectric vibrators, wherein:
Described frame comprises Top Crossbeam, lower cross arm, left arm and right arm; Described left arm comprises one group of left arm pin-and-hole, and described right arm comprises one group of right arm pin-and-hole; Described location-plate comprises left side pin-and-hole, right side pin-and-hole and one group of locating hole; The center of described locating hole on the same line; Described locating hole is transversely arranged on location-plate; Described left arm pin-and-hole is connected with left side pin-and-hole bolt, and described right arm pin-and-hole is connected with right side pin-and-hole bolt; Described each locating hole is furnished with a prestressing force piezoelectric vibrator; Described prestressing force piezoelectric vibrator comprises piezoelectric ceramics, substrate and pedestal; Described substrate comprises main boom and two secondary cantilevers; Described two secondary jib-lengths are equal, symmetrical about main boom; Described pedestal comprises top base and bottom base; Described bottom base comprises a main mounting groove and two secondary mounting grooves; Described main boom is arranged in main mounting groove, and described two secondary cantilevers are arranged in corresponding secondary mounting groove; The locating surface of main boom is the main trailing flank on bottom base, two secondary cantilevers, locating surface be secondary trailing flank on bottom base; Distance L1 between the main trailing flank of described bottom base and secondary trailing flank and the length difference L2 of main boom and secondary cantilever is unequal; Described piezoelectric ceramics is sheet type structure, is arranged in main boom surface; Described substrate is sheet type structure; Described needle selecting knife is made up of tool rest and cutter head, and tool rest is furnished with U-type groove, and needle selecting knife is fixed on prestressing force piezoelectric vibrator end by U-type groove; The center line of described tool rest, cutter head, U-type groove is arranged at grade.
Piezoelectric ceramics on described prestressing force piezoelectric vibrator surface is arranged in main boom surface, or is arranged in two secondary cantilever surfaces, or is arranged in three cantilever surfaces simultaneously.
During work, alternating voltage is applied to the piezoelectric ceramics the two poles of the earth be arranged on described prestressing force piezoelectric vibrator surface, cyclic bending distortion is there is in prestressing force piezoelectric vibrator under the acting in conjunction of prestressing force and piezo-electric effect, needle selecting knife works under the drive of piezoelectric vibrator, due to prestressed existence, the amplitude of piezoelectric vibrator increases, and required operating voltage reduces, and can effectively improve the slide cam selector life-span.
Accompanying drawing explanation
Fig. 1 is a kind of prestressing force needle selection device knitting machine of the present invention perspective exploded view.
Fig. 2 is a kind of frame schematic diagram of the present invention.
Fig. 3 is a kind of prestressing force piezoelectric vibrator of the present invention needle selecting knife perspective exploded view.
Detailed description of the invention
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of prestressing force needle selection device knitting machine of the present invention comprises frame 1, two location-plates 2 and needle selecting knife 3, characterized by further comprising prestressing force piezoelectric vibrator 4, wherein:
Described frame 1 comprises Top Crossbeam 11, lower cross arm 12, left arm 13 and right arm 14; Described left arm 13 comprises one group of left arm pin-and-hole 131, and described right arm 14 comprises one group of right arm pin-and-hole 141; Described location-plate 2 comprises left side pin-and-hole 21, right side pin-and-hole 22 and one group of locating hole 23; The center of described locating hole 23 on the same line; Described left arm pin-and-hole 131 is connected with bolt with left side pin-and-hole 21, and described right arm pin-and-hole 141 is connected with bolt with right side pin-and-hole 22; Described each locating hole 23 is furnished with a prestressing force piezoelectric vibrator 4; Described prestressing force piezoelectric vibrator 4 comprises piezoelectric ceramics 41, substrate 42 and pedestal 43; Described substrate 42 comprises main boom 421 and two secondary cantilevers 422; Described two secondary cantilever 422 length are equal, symmetrical about main boom 421; Described pedestal 43 comprises top base 431 and bottom base 432; Described bottom base 432 comprises a main mounting groove 433 and two secondary mounting grooves 434; Described main boom 421 is arranged in main mounting groove 433, and described two secondary cantilevers 422 are arranged in corresponding secondary mounting groove 434; The secondary trailing flank 436 of the locating surface of main boom 421 to be locating surfaces of main trailing flank 435, two secondary cantilevers 422 of bottom base 432 be bottom base 432; Distance L1 between the main trailing flank 435 of described bottom base 432 and secondary the trailing flank 436 and length difference L2 of main boom 421 and secondary cantilever 422 is unequal; Described piezoelectric ceramics 41 is sheet type structure, is arranged in main boom 421 surface; Described substrate 42 is sheet type structure; Described needle selecting knife 3 is made up of tool rest 31 and cutter head 32, tool rest 31 is furnished with U-type groove 311, and needle selecting knife 3 is fixed on prestressing force piezoelectric vibrator 4 end by U-type groove 311; The center line of described tool rest 31, cutter head 32, U-type groove 311 is arranged at grade.
Piezoelectric ceramics 41 on described prestressing force piezoelectric vibrator 4 surface is arranged in main boom 421 surface, or is arranged in two secondary cantilever 422 surfaces, or is arranged in three cantilever surfaces simultaneously.
During use, three cantilevers are arranged in corresponding mounting groove, apply alternating voltage at the two poles of the earth of piezoelectric ceramics 41.
Claims (2)
1. a prestressing force needle selection device knitting machine, comprising: frame (1), two location-plates (2) and needle selecting knife (3), characterized by further comprising prestressing force piezoelectric vibrator (4); Wherein: described frame (1) comprises Top Crossbeam (11), lower cross arm (12), left arm (13) and right arm (14); Described left arm (13) comprises one group of left arm pin-and-hole (131), and described right arm (14) comprises one group of right arm pin-and-hole (141); Described location-plate (2) comprises left side pin-and-hole (21), right side pin-and-hole (22) and one group of locating hole (23); The center of described locating hole (23) on the same line; Described left arm pin-and-hole (131) is connected with bolt with left side pin-and-hole (21), and described right arm pin-and-hole (141) is connected with bolt with right side pin-and-hole (22); Described each locating hole (23) is furnished with a prestressing force piezoelectric vibrator (4); Described prestressing force piezoelectric vibrator (4) comprises piezoelectric ceramics (41), substrate (42) and pedestal (43); Described substrate (42) comprises main boom (421) and two secondary cantilevers (422); Described two secondary cantilever (422) length are equal, symmetrical about main boom (421); Described pedestal (43) comprises top base (431) and bottom base (432); Described bottom base (432) comprises a main mounting groove (433) and two secondary mounting grooves (434); Described main boom (421) is arranged in main mounting groove (433), and described two secondary cantilevers (422) are arranged in corresponding secondary mounting groove (434); The locating surface of main boom (421) is the main trailing flank (435) of bottom base (432), and the locating surface of two secondary cantilevers (422) is the secondary trailing flank (436) of bottom base (432); Distance L1 between the main trailing flank (435) of described bottom base (432) and secondary trailing flank (436) and the length difference L2 of main boom (421) and secondary cantilever (422) is unequal; Described piezoelectric ceramics (41) is sheet type structure, is arranged in main boom (421) surface; Described substrate (42) is sheet type structure; Described needle selecting knife (3) is made up of tool rest (31) and cutter head (32), tool rest (31) is furnished with U-type groove (311), and needle selecting knife (3) is fixed on prestressing force piezoelectric vibrator (4) end by U-type groove (311); The center line of described tool rest (31), cutter head (32), U-type groove (311) is arranged at grade.
2. a kind of prestressing force needle selection device knitting machine according to claim 1, it is characterized in that: the piezoelectric ceramics (41) on described prestressing force piezoelectric vibrator (4) surface is arranged in main boom (421) surface, or be arranged in two secondary cantilever (422) surfaces, or be arranged in three cantilever surfaces simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344996.8U CN204690253U (en) | 2015-05-26 | 2015-05-26 | A kind of prestressing force needle selection device knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344996.8U CN204690253U (en) | 2015-05-26 | 2015-05-26 | A kind of prestressing force needle selection device knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204690253U true CN204690253U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344996.8U Expired - Fee Related CN204690253U (en) | 2015-05-26 | 2015-05-26 | A kind of prestressing force needle selection device knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204690253U (en) |
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2015
- 2015-05-26 CN CN201520344996.8U patent/CN204690253U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201029 Address after: 130000 No. 5988 Renmin Street, Jilin, Changchun Patentee after: Zeng Xiangli Address before: High tech Zone of Jilin province Changchun Kumho road 130000 No. 1357 Patentee before: CHANGCHUN SHANGYUAN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20210526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |