CN204198987U - A kind of piezoelectric jacquard element being applicable to bodkin distance - Google Patents
A kind of piezoelectric jacquard element being applicable to bodkin distance Download PDFInfo
- Publication number
- CN204198987U CN204198987U CN201420544269.1U CN201420544269U CN204198987U CN 204198987 U CN204198987 U CN 204198987U CN 201420544269 U CN201420544269 U CN 201420544269U CN 204198987 U CN204198987 U CN 204198987U
- Authority
- CN
- China
- Prior art keywords
- piezoelectric
- ceramic piece
- piezoelectric ceramic
- electric field
- jacquard
- 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.)
- Active
Links
Landscapes
- Knitting Machines (AREA)
Abstract
The utility model discloses a kind of piezoelectric jacquard element being applicable to bodkin distance, comprise piezoelectric ceramic piece, intermediate carrier, electric field.The described intermediate carrier both sides piezoelectric ceramic piece that bonding two panels is superimposed respectively, described piezoelectric ceramic piece adds electric field, and when applying voltage to piezoelectric ceramic piece, due to the effect of inverse piezoelectric effect, described piezoelectric ceramic piece produces deflection deformation.When voltage of electric field direction changes, the direction of piezoelectric jacquard element deflection deformation is changed thereupon.Thus piezoelectric jacquard element realizes needle selecting function.Due to the piezoelectric ceramic piece that both sides all have two panels superimposed, the length of another piezoelectric ceramic piece pottery increases more than 20% than common, and broaden its width, therefore the displacement of piezoelectric jacquard element generation deflection deformation and moment all can reach bodkin apart from the requirement needed for warp knitting machine.Principal character of the present utility model is that the side-play amount of Jacquard element is large, moment large, also according to weaving middle yarn tension size, can carry out Torque-adjusting size by regulation voltage.
Description
Technical field
The present invention relates to piezoelectric ceramics warp knitting machine technical field, particularly a kind of piezoelectric jacquard element being applicable to bodkin distance.
Background technology
The motion principle of jacquard needle is by the driving chip on faller gill, and namely piezoelectric ceramic piece realizes.Piezoelectric ceramic piece receives the signal of generating positive and negative voltage, drives jacquard needle to do the skew of a warp thread needle gage by Bending Deformation.Jacquard warp, just according to the needs of flower pattern, makes Jacquard sley point produce skew or keep motionless, thus the flower pattern required for being formed, this flower pattern is from the cumulative offset of adjacent or close sley point.
Traditional jacquard warp adopts the technology such as reset pin or piezoelectric ceramics pin, and be widely used in high plane No. warp knitting machine field, but side-play amount is little, moment is little.Cannot use in low plane No. and big needle distance skew field.Common electronic jacquard machine adopts electromagnetic needle selecting mechanism mostly, though it has, structure is simple, the advantage of having stable behavior, also has the shortcoming that poor anti jamming capability, caloric value are large.The jacquard needle displacement of current low plane No. warp knitting machine generally need reach more than 2.5mm, plane No. is lower, needle gage is larger, and the yarn used is often thicker, yarn tension is larger, the moment of required opposing yarn tension is also larger, and the thickness of needle and sley point is thicker, and existing back-moving spring technology and electromagnetic needle selecting mechanism not easily realize.
The existing Jacquard device for big needle distance, as Chinese utility model patent CN201020111341, name is called that a kind of prospectus of Jacquard sley bar of big needle distance jacquard warp also discloses a kind of Jacquard device for big needle distance, this device is provided with in the lower end bilateral symmetry of lower grain group gathering sill the left and right limited block controlling guide faller gill side-play amount, and the thickness sum of spacing between left and right limited block and needle sheet and guide faller gill is suitable.The spacing crossbeam running through all guide grooves is also provided with at the top of lower groove group, the lower middle part of needle sheet is convexly equipped with the stopper protrusion be displaced between upper and lower gathering sill that to match with spacing crossbeam, and the needle sheet between this stopper protrusion and upper groove group gathering sill is arranged with back-moving spring.When moving downward along gathering sill under the elastic force effect of needle sheet at back-moving spring, after needle sheet guiding pushing block touches declivity guide card, back-moving spring applies active force by guiding pushing block to declivity guide card, oppositely push sley point sheet, the opposite side being close to guide faller gill after the guiding slot port of needle sheet guiding pushing block again by guide faller gill continues to descending, again realizes guide faller gill and offsets a needle gage and keep this state.The big needle distance Jacquard device of this structure, needs installation back-moving spring, under machine Large Amplitude Motion in each gathering sill, back-moving spring fatiguability lost efficacy, and the accuracy of each back-moving spring is inconsistent, easily produces error, make sley point in skew hour offset amount inaccuracy.And this structure is only suitable for the warp knitting machine of low speed.
Summary of the invention
The invention provides a kind of piezoelectric jacquard element being applicable to bodkin distance, its object is to overcome existing Jacquard element and cannot be applied to low plane No. through compiling the problem in field.
For achieving the above object, the present invention takes following technical scheme: a kind of piezoelectric jacquard element being applicable to bodkin distance, comprise piezoelectric ceramic piece, intermediate carrier, electric field, be primarily characterized in that: the described intermediate carrier both sides piezoelectric ceramic piece that bonding two panels is superimposed respectively, described piezoelectric ceramic piece adds electric field, due to the effect of inverse piezoelectric effect, described piezoelectric ceramic piece produces deflection deformation.
Described a kind of piezoelectric jacquard element being applicable to bodkin distance, is primarily characterized in that: the intermediate carrier both sides piezoelectric ceramic piece that bonding two panels is superimposed respectively, and the polarised direction of each adjacent ceramic sheet is contrary, applies voltage of electric field opposite direction.
Further: described piezoelectric ceramics leaf length than common lengthening more than 20%, and broadens its width.
Further restriction: Jacquard element can regulate corresponding voltage of electric field according to the size of yarn tension.
Compared with prior art, the invention has the beneficial effects as follows: displacement and the moment of piezoelectric jacquard element generation deflection deformation all can reach bodkin apart from the requirement needed for warp knitting machine.The side-play amount of Jacquard element is large, moment large, is used in bodkin apart from warp knitting machine jacquard needle, effectively avoiding wiping the unfavorable factors such as pin, displacement is not enough, also can regulate corresponding voltage of electric field according to weaving middle yarn tension size.Like this can not only power saving, also help the running speed improving warp knitting machine, be specially adapted to low plane No. warp knitting machine.
accompanying drawing illustrates:
Fig. 1 is a kind of structural representation being applicable to the piezoelectric jacquard element of bodkin distance of the present invention
Fig. 2 and Fig. 3 is a kind of deflection deformation figure being applicable to the piezoelectric jacquard element of bodkin distance of the present invention
Number in the figure illustrates: 1-piezoelectric ceramic piece, 2-intermediate carrier E-electric field
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, described a kind of piezoelectric jacquard element being applicable to bodkin distance, comprising: piezoelectric ceramic piece (1), intermediate carrier (2), electric field (E).The piezoelectric ceramic piece (1) of the polarization that described intermediate carrier (2) the both sides bonding two panels of difference is superimposed, described piezoelectric ceramic piece (1) adds electric field (E).The polarised direction of each adjacent ceramic sheet (1) of described Jacquard element is contrary, and applying electric field (E) voltage is also opposite direction.In like manner, when electric field (E) voltage direction changes, the direction of piezoelectric jacquard element deflection deformation also changes thereupon, and polarised direction also can realize the skew of piezoelectric ceramic piece (1) on the contrary.
Described a kind of piezoelectric jacquard element being applicable to bodkin distance, when being subject to electric field (E) and acting on, except generation polarization intensity and dielectric displacement, also can there is deformation and generation power in piezoelectric ceramic piece (1).When potsherd (1) is subject to power, potsherd (1) extends toward Impact direction.When applying electric field (E) to this piezoelectric ceramic piece (1), due to the effect of inverse piezoelectric effect, described piezoelectric ceramic piece (1) produces deflection deformation, and produces power.Its operation principle is: piezoelectric ceramic piece (1) is different from general pottery, and it is the polycrystal with piezo-electric effect, the structure variation with temperature of piezoelectric ceramic piece (1) and changing.If at the electric field (E) that the upper applying one of piezoelectric ceramic piece (1) is identical with polarised direction, then electric field (E) will make polarization intensity increase, and piezoelectric ceramic piece (1) will extend along polarised direction.As shown in Figure 2, after applying electric field (E), because the polarised direction of each adjacent ceramic sheet (1) of piezoelectric ceramic piece (1) is contrary, and apply electric field (E) voltage opposite direction, therefore, it slice produces the contraction along polarised direction according to inverse piezoelectric effect, bottom sheet produces the elongation along polarised direction, so even if upper slice pressurized and bottom sheet tension its produce deflection deformation and the power in direction as shown in Figure 2.
As shown in Figure 3, shown in the deflection deformation principle of described piezoelectric ceramic piece and Fig. 2 in like manner.When applying rightabout electric field (E) voltage to piezoelectric ceramic piece (1), and when the polarised direction of piezoelectric ceramic piece (1) is contrary, the deflection deformation direction of described Jacquard element also changes thereupon.In Fig. 3, described piezoelectric ceramic piece (1) is when being subject to electric field (E) and acting on, and the upper slice generation of potsherd is extended along polarised direction, and bottom sheet produces shrinks along polarised direction.When upper slice under tension and bottom sheet is under pressure time, piezoelectric ceramic piece (1) realizes skew, thus piezoelectric jacquard element realizes deflection deformation in the same way, and each potsherd (1) can work simultaneously, does not hinder mutually.
Described a kind of piezoelectric jacquard element being applicable to bodkin distance, is primarily characterized in that: described piezoelectric ceramic piece (1) length than common lengthening more than 20%, and broadens its width.Such structure makes Jacquard element increase the area of piezoelectric ceramic piece (1), therefore piezoelectric jacquard element can bear the deflection deformation of high-torque when offseting, thus makes its displacement producing deflection deformation and moment all can reach bodkin apart from the requirement needed for warp knitting machine.Compared with traditional piezoelectric jacquard element, the side-play amount of Jacquard element of the present invention is large, moment is large, be used in bodkin apart from warp knitting machine jacquard needle, effectively avoid wiping the unfavorable factors such as pin, displacement is not enough, also can regulate corresponding electric field (E) voltage according to weaving middle yarn tension size.Like this can not only power saving, also help the running speed improving warp knitting machine, be specially adapted to low plane No. warp knitting machine.
Above-described embodiment just preferred embodiment done for a better understanding of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and are all covering scope of the present invention.
Claims (4)
1. one kind is applicable to the piezoelectric jacquard element of bodkin distance, comprise piezoelectric ceramic piece, intermediate carrier, electric field, be primarily characterized in that: the piezoelectric ceramic piece of the polarization that the bonding two panels of described intermediate carrier both sides difference is superimposed, described piezoelectric ceramic piece adds electric field, due to the effect of inverse piezoelectric effect, described piezoelectric ceramic piece produces deflection deformation.
2. a kind of piezoelectric jacquard element being applicable to bodkin distance according to claim 1, is primarily characterized in that: the intermediate carrier both sides piezoelectric ceramic piece that bonding two panels is superimposed respectively, and the polarised direction of each adjacent ceramic sheet is contrary, applies voltage of electric field opposite direction.
3. a kind of piezoelectric jacquard element being applicable to bodkin distance according to claim 1, is primarily characterized in that: described piezoelectric ceramics leaf length than common lengthening more than 20%, and broadens its width.
4. a kind of piezoelectric jacquard element being applicable to bodkin distance according to claim 1, is primarily characterized in that: Jacquard element can regulate corresponding voltage of electric field according to the size of yarn tension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544269.1U CN204198987U (en) | 2014-09-22 | 2014-09-22 | A kind of piezoelectric jacquard element being applicable to bodkin distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420544269.1U CN204198987U (en) | 2014-09-22 | 2014-09-22 | A kind of piezoelectric jacquard element being applicable to bodkin distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204198987U true CN204198987U (en) | 2015-03-11 |
Family
ID=52656966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420544269.1U Active CN204198987U (en) | 2014-09-22 | 2014-09-22 | A kind of piezoelectric jacquard element being applicable to bodkin distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204198987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213325A (en) * | 2014-09-22 | 2014-12-17 | 福建省鑫港纺织机械有限公司 | Piezoelectric jacquard element applicable to coarse needle pitches |
| CN109468741A (en) * | 2019-01-04 | 2019-03-15 | 福建杰嘉科技有限公司 | A kind of Jacquard structure for tricot machine |
-
2014
- 2014-09-22 CN CN201420544269.1U patent/CN204198987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213325A (en) * | 2014-09-22 | 2014-12-17 | 福建省鑫港纺织机械有限公司 | Piezoelectric jacquard element applicable to coarse needle pitches |
| CN109468741A (en) * | 2019-01-04 | 2019-03-15 | 福建杰嘉科技有限公司 | A kind of Jacquard structure for tricot machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204198987U (en) | A kind of piezoelectric jacquard element being applicable to bodkin distance | |
| DE69634797T2 (en) | Laminated piezoelectric actuator and method | |
| CN201660748U (en) | Jacquard guide bar for jacquard warp knitting machine with large needle pitch | |
| CN104213325A (en) | Piezoelectric jacquard element applicable to coarse needle pitches | |
| CN106167955B (en) | The guide bar assembly of tricot machine | |
| CN203938841U (en) | The feed carrier that a kind of straight-bar machines is used | |
| CN204690255U (en) | A kind of prestressing force Jacquard sley point | |
| ATE550465T1 (en) | JACQUARD MACHINE WITH BISTABLE ELEMENT FOR RAISING AND LOWERING WARP THREADS | |
| CN104805590B (en) | A kind of prestressing force piezoelectric vibrator Jacquard sley point | |
| CN204690256U (en) | A kind of prestressing force piezoelectric vibrator Jacquard sley point | |
| CN204407366U (en) | Novel warp knitting machine piezoelectric jacquard element | |
| CN203498599U (en) | Dual-row four-knife needle selector | |
| CN202576749U (en) | No-harness-cord positive type needle selection mechanism | |
| CN203187925U (en) | Jacquard guide needle of warp knitting machine | |
| CN209619553U (en) | A kind of fixed device of jacquard machine component | |
| CN204849252U (en) | Novel tricot machine piezoelectricity merchant card component | |
| CN202736983U (en) | Piezoelectric Jacquard element of novel warp knitting machine | |
| CN205741476U (en) | A kind of prestressing force adjustable piezoelectric vibrator slide cam selector | |
| CN204000134U (en) | A kind of menelipsis silk device without slurry loom | |
| CN201136933Y (en) | Plastic plate heddles | |
| CN203638867U (en) | Terminal fabric gripper for spreading machines | |
| CN202193929U (en) | Machine head of computerized flat knitting machine | |
| JPS599655B2 (en) | Jaccard selection device | |
| CN202786615U (en) | Wire harnessing device suitable for flat fibre weaving | |
| CN203639660U (en) | Yarn carrier seat locating structure of fully-automatic computer-controlled glove knitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |