CN204690255U - A kind of prestressing force Jacquard sley point - Google Patents
A kind of prestressing force Jacquard sley point Download PDFInfo
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- CN204690255U CN204690255U CN201520347455.0U CN201520347455U CN204690255U CN 204690255 U CN204690255 U CN 204690255U CN 201520347455 U CN201520347455 U CN 201520347455U CN 204690255 U CN204690255 U CN 204690255U
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- cantilever
- locating piece
- syringe needle
- base plate
- piezoelectric vibrator
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Abstract
The utility model relates to a kind of prestressing force Jacquard sley point, comprise piezoelectric vibrator, guide syringe needle, lower locating piece and upper locating piece, piezoelectric vibrator comprises elastic base plate and four piezoelectric ceramics, elastic base plate comprises intermediate cantilever, side cantilever and cantilever bonding pad, piezoelectric ceramics is arranged in the upper and lower surface of side cantilever, guide syringe needle is bonded in side, cantilever bonding pad, piezoelectric vibrator is fixed by upper locating piece and lower locating piece, cyclic bending distortion is there is in piezoelectric vibrator under the effect of alternating voltage, piezoelectric vibrator drives the motion of guide syringe needle, realize the skew of whole guide syringe needle, syringe needle drives yarn movement, the utility model has larger side-play amount and power output, effectively can extend the service life of Jacquard sley point.
Description
Technical field
The utility model relates to piezoelectric ceramics warp knitting machine technical field, particularly a kind of prestressing force Jacquard sley point.
Background technology
Jacquard sley point is used for jacquard warp, is the critical component realizing jacquard weave function, utilizes inverse piezoelectric effect to realize the deflection of sley point.Piezoelectric ceramic wafer through hyperpolarization adds that voltage can produce the deformation of shrinking and upholding, and makes sley point offset or offset left to the right.Piezoelectric vibrator in existing Jacquard sley point, formed by the bonding piezoelectric ceramics of the elastic base plate that a slice is common, the traditional Jacquard sley point become by such Common piezoelectricity oscillator bonding sley point capitiform, same electrical depress the offset displacement of traditional sley point and power output less.
Summary of the invention
For solving traditional Jacquard sley point offset displacement and the less problem of power output, propose a kind of prestressing force Jacquard sley point, this Jacquard sley point adopts prestressed piezoelectric vibrator, its amplitude and power output obviously increase, the utility model can significantly improve the side-play amount of Jacquard sley point, compares traditional Jacquard sley point and has higher performance.
To achieve these goals, the utility model is by the following technical solutions:
A kind of prestressing force Jacquard of the utility model sley point, comprises piezoelectric vibrator, guide syringe needle, lower locating piece and upper locating piece, it is characterized in that:
Piezoelectric vibrator comprises elastic base plate and four piezoelectric ceramics; Described elastic base plate is sheet type structure, comprises intermediate cantilever, two side cantilevers and cantilever bonding pad, and three cantilevers interact and play the effect of syringe needle skew amplification; Described intermediate cantilever comprises intermediate cantilever elongation zone and intermediate cantilever fixed area, one end, described intermediate cantilever elongation zone is arranged in the side of described cantilever bonding pad, described intermediate cantilever fixed area is furnished with at the other end of described intermediate cantilever elongation zone, described intermediate cantilever fixed area is furnished with about symmetrical axisymmetric two the intermediate cantilever locating holes of elastic base plate, described two side size cantilevers are identical and be arranged symmetrically with about described elastic base plate symmetry axis; Described piezoelectric ceramics is sheet type structure and is arranged in the upper and lower surface of described side cantilever, produces syringe needle skew by inverse piezoelectric effect; Described intermediate cantilever and described side cantilever configuration are in the same side of described cantilever bonding pad, and the opposite side in described cantilever bonding pad arranges guide syringe needle, for threading yarn; Described lower locating piece is made up of lower locating piece pedestal, two U-shaped boss and two positioning cylinders, be furnished with two measure-alike described U-shaped boss at the upper surface of described lower locating piece pedestal and be arranged symmetrically with about lower locating piece symmetry axis, the open side of described U-shaped boss is arranged on leading flank and forms side cantilever mounting groove; On the cantilever mounting groove of described side, the side parallel with described leading flank is called side cantilever locating surface, and the lower surface of described side cantilever is connected layout with the bottom surface of described side cantilever mounting groove, and cantilever protrude end face, side is connected layout with described side cantilever locating surface; Described lower locating piece pedestal upper surface also arrange two measure-alike and about the symmetrical axisymmetric positioning cylinder of described lower locating piece, be used for positioning and voltage oscillator and upper locating piece, the spacing of two described positioning cylinder axis place planes and described side cantilever locating surface is not equal to the spacing in two described intermediate cantilever pilot hole axes place planes and cantilever protrude end face, described side, therefore forms prestressing force and predeformation; Upper locating piece has two locating holes, this locating hole coordinates with the positioning cylinder of described lower locating piece to be arranged.
After energising work, cyclic bending distortion is there is in piezoelectric vibrator under the effect of alternating voltage, piezoelectric vibrator drives the motion of guide syringe needle, realize the skew of whole sley point syringe needle, syringe needle drives yarn movement, the utility model, relative to traditional sley point, has larger side-play amount and power output, effectively can extend the service life of Jacquard sley point.
Accompanying drawing explanation
Fig. 1 is the assembly relation schematic diagram of a kind of prestressing force Jacquard of the utility model sley point.
Fig. 2 be the utility model adopt the top view of piezoelectric vibrator and guide syringe needle.
Fig. 3 be the utility model adopt the side view of piezoelectric vibrator and guide syringe needle.
Fig. 4 is the axonometric drawing of locating piece under the utility model.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of prestressing force Jacquard sley point, comprises piezoelectric vibrator 1, guide syringe needle 2, lower locating piece 3 and upper locating piece 4, it is characterized in that:
Piezoelectric vibrator 1 comprises elastic base plate 11 and four piezoelectric ceramics 12; Described elastic base plate 11 is sheet type structure, comprises intermediate cantilever 111, two side cantilevers 112 and cantilever bonding pad 113; Described intermediate cantilever 111 comprises intermediate cantilever elongation zone 1111 and intermediate cantilever fixed area 1112, one end, described intermediate cantilever elongation zone 1111 is arranged in side, described cantilever bonding pad 113, described intermediate cantilever fixed area 1112 is furnished with at the other end of described intermediate cantilever elongation zone 1111, described intermediate cantilever fixed area 1112 is furnished with two intermediate cantilever locating holes 115 about elastic base plate symmetry axis 114 symmetry, and described two side cantilevers 112 are measure-alike and be arranged symmetrically with about described elastic base plate symmetry axis 114; Described piezoelectric ceramics 12 is sheet type structure and is bonded in the upper and lower surface of described side cantilever 112 respectively; Described intermediate cantilever 111 and described side cantilever 112 are arranged in the same side of described cantilever bonding pad 113, at the bonding guide syringe needle 2 of the opposite side of described cantilever bonding pad 113; Described lower locating piece 3 is made up of the U-shaped boss 31 of lower locating piece pedestal 37, two and two positioning cylinders 35, be furnished with two measure-alike described U-shaped boss 31 at the upper surface of described lower locating piece pedestal 37 and be arranged symmetrically with about lower locating piece symmetry axis 34, the open side of described U-shaped boss 31 is arranged on leading flank 33 and forms side cantilever mounting groove 32; On described side cantilever mounting groove 32, the side parallel with described leading flank 33 is called side cantilever locating surface 35, the lower surface of described side cantilever 112 is connected layout with the bottom surface of described side cantilever mounting groove 32, and cantilever protrude end face, side 116 is connected layout with described side cantilever locating surface 35; Described lower locating piece pedestal 37 upper surface also arrange two measure-alike and about the positioning cylinder 35 of described lower locating piece symmetry axis 34 symmetry, the spacing of two described positioning cylinder 35 axis place planes and described side cantilever locating surface 35 is not equal to the spacing in two described intermediate cantilever locating hole 115 axis place planes and cantilever protrude end face, described side 116, therefore forms prestressing force and predeformation; Upper locating piece 4 has two locating holes, this locating hole coordinates with the described positioning cylinder 35 of described lower locating piece 3 to be arranged.
Claims (1)
1. a prestressing force Jacquard sley point, comprise piezoelectric vibrator (1), guide syringe needle (2), lower locating piece (3) and upper locating piece (4), it is characterized in that: piezoelectric vibrator (1) comprises elastic base plate (11) and four piezoelectric ceramics (12), described elastic base plate (11) is sheet type structure, comprises intermediate cantilever (111), two side cantilevers (112) and cantilever bonding pad (113), described intermediate cantilever (111) comprises intermediate cantilever elongation zone (1111) and intermediate cantilever fixed area (1112), described intermediate cantilever elongation zone (1111) one end is arranged in described cantilever bonding pad (113) side, described intermediate cantilever fixed area (1112) is furnished with at the other end of described intermediate cantilever elongation zone (1111), described intermediate cantilever fixed area (1112) is furnished with about two symmetrical intermediate cantilever locating holes (115) of elastic base plate symmetry axis (114), described two side cantilevers (112) are measure-alike and be arranged symmetrically with about described elastic base plate symmetry axis (114), described piezoelectric ceramics (12) is for sheet type structure and be arranged in the upper and lower surface of described side cantilever (112), described intermediate cantilever (111) and described side cantilever (112) are arranged in the same side of described cantilever bonding pad (113), arrange guide syringe needle (2) at the opposite side of described cantilever bonding pad (113), described lower locating piece (3) is made up of lower locating piece pedestal (37), two U-shaped boss (31) and two positioning cylinders (35), be furnished with two measure-alike described U-shaped boss (31) at the upper surface of described lower locating piece pedestal (37) and be arranged symmetrically with about lower locating piece symmetry axis (34), the open side of described U-shaped boss (31) is arranged in that leading flank (33) is upper forms side cantilever mounting groove (32), side cantilever locating surface (36) is called in the upper side parallel with described leading flank (33) of described side cantilever mounting groove (32), the lower surface of described side cantilever (112) is connected layout with the bottom surface of described side cantilever mounting groove (32), and cantilever protrude end face, side (116) is connected layout with described side cantilever locating surface (36), described lower locating piece pedestal (37) upper surface also arranges that two measure-alike and about the symmetrical positioning cylinder (35) of described lower locating piece symmetry axis (34), the spacing of two described positioning cylinder (35) axis place planes and described side cantilever locating surface (36) is not equal to the spacing of two described intermediate cantilever locating hole (115) axis place planes and described cantilever protrude end face, side (116), upper locating piece (4) has two locating holes, this locating hole coordinates with the described positioning cylinder (35) of described lower locating piece (3) to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520347455.0U CN204690255U (en) | 2015-05-26 | 2015-05-26 | A kind of prestressing force Jacquard sley point |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520347455.0U CN204690255U (en) | 2015-05-26 | 2015-05-26 | A kind of prestressing force Jacquard sley point |
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| CN204690255U true CN204690255U (en) | 2015-10-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805589A (en) * | 2015-05-26 | 2015-07-29 | 吉林大学 | Prestress jacquard guide needle |
| CN107574566A (en) * | 2016-07-04 | 2018-01-12 | 长春上缘科技发展有限公司 | A kind of adjustable piezoelectric vibrator Jacquard sley point of prestressing force |
-
2015
- 2015-05-26 CN CN201520347455.0U patent/CN204690255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805589A (en) * | 2015-05-26 | 2015-07-29 | 吉林大学 | Prestress jacquard guide needle |
| CN107574566A (en) * | 2016-07-04 | 2018-01-12 | 长春上缘科技发展有限公司 | A kind of adjustable piezoelectric vibrator Jacquard sley point of prestressing force |
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