CN102677385B - Piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plate - Google Patents
Piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plate Download PDFInfo
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- CN102677385B CN102677385B CN201210163210.3A CN201210163210A CN102677385B CN 102677385 B CN102677385 B CN 102677385B CN 201210163210 A CN201210163210 A CN 201210163210A CN 102677385 B CN102677385 B CN 102677385B
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Abstract
The invention relates to a piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plates. The piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plates disclosed by the invention comprises a plurality of piezoelectric ceramic drive plates and a conductive base; each piezoelectric ceramic drive plate comprises an injection molding part integrated with the piezoelectric ceramic drive plate; the injection molding part comprises a positioning column; the positioning column is matched with a locating hole in the conductive base to fixedly connect the positioning column to the conductive base, and a lug boss and a groove are respectively arranged on each side of the width direction of the injection part, so that the lug boss is matched with the groove and the piezoelectric ceramic drive plates are mutually parallel when the piezoelectric ceramic drive plates are installed in place. The piezoelectric ceramic needle selector disclosed by the invention can conveniently achieve exchanging of a single piezoelectric ceramic drive plate with a fault, and the piezoelectric ceramic needle selector do not need to be entirely exchanged when the fault happens to a single piezoelectric ceramic drive plate so as to reduce the cost.
Description
Technical field
The present invention relates to the slide cam selector of mechanical textile industry, be specifically related to a kind of piezoelectric ceramic needle selecting machine.More specifically, the present invention relates to a kind of piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece.
Background technology
As everyone knows, in mechanical textile industry, according to technological requirement, control the method for operation of pin and can make style.At present, general way is to adopt slide cam selector, particularly piezoelectric ceramic needle selecting machine to realize the automatic operating of pin.As shown in Figure 7, piezoelectric ceramic needle selecting machine 1000 comprises conductive base 10, a plurality of piezoelectric ceramics driving piece 20, is arranged on the needle selection head of described a plurality of piezoelectric ceramics driving piece 20 front ends the structure of existing a kind of piezoelectric ceramic needle selecting machine.On described conductive base 10, with the fixedly wall 101 of one, fixedly wall 101 is with a plurality of pods 102 of coordinating with described piezoelectric ceramics driving piece 20 of being used for.In addition, on described fixedly wall 101 also with a plurality of translots 103.When making this piezoelectric ceramic needle selecting machine 1000, first prepare pedestal 10 and fixedly on wall 101, preparing corresponding translot 103 and pod 102, then piezoelectric ceramics driving piece 20 being put into pod 103 and guaranteed that piezoelectric ceramics driving piece 20 and two walls of pod 103 closely cooperate.Put into the top of piezoelectric ceramics driving piece 20 of pod 103 lower than notch one desired depth of pod 102.Until described a plurality of piezoelectric ceramics driving pieces 20, all pack into after its corresponding a plurality of pod 102, thereby it is fixed by piezoelectric ceramics driving piece 20 with conducting resinl, after solidifying, to seal described translot 103.Needle selection head 30 can be fixedly connected with piezoelectric ceramics driving piece 20 before piezoelectric ceramics driving piece 20 packs into fixedly on wall 101.The driving power supply line 50 of piezoelectric ceramics driving piece 20 also can be welded in place as requested before piezoelectric ceramics driving piece 20 packs into fixedly on wall 101, after piezoelectric ceramics driving piece 20 fix in position, then by being connected with driving power (not shown) again after cable concentrator 40 arrangement boundlings.
There is following shortcoming in existing piezoelectric ceramic needle selecting machine: if one of them piezoelectric ceramics driving piece breaks down and can not work, because it is shut by conducting resinl, used a new piezoelectric ceramics driving piece to replace very difficult, or even impossible.Therefore,, even if this just causes a piezoelectric ceramics driving piece on piezoelectric ceramic needle selecting machine to break down and can not work, just whole piezoelectric ceramic needle selecting machine need to be replaced.And this piezoelectric ceramic needle selecting machine price is very expensive, change the increase that whole piezoelectric ceramic needle selecting machine certainly will cause equipment cost.
If the structure of piezoelectric ceramic needle selecting machine can make any piezoelectric ceramics driving piece wherein be changed easily, that will inevitably reduce the cost of use of piezoelectric ceramic needle selecting machine, thereby correspondingly reduces weaving production cost.
Summary of the invention
The object of the invention is to: a kind of novel piezo-electric ceramic slide cam selector is provided, overcome the above-mentioned defect that existing piezoelectric ceramic needle selecting machine exists, indivedual piezoelectric ceramics driving pieces on piezoelectric ceramic needle selecting machine can be convenient for changing when breaking down, thereby reduce production costs.
Technical scheme of the present invention is: a kind of piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece, comprise a plurality of piezoelectric ceramics driving pieces and conductive base, it is characterized in that, described piezoelectric ceramics driving piece is with the injection moulding part with described piezoelectric ceramics driving piece one, described injection moulding partial interior is with a U-shaped electrode, and two limits of described U-shaped electrode are electrically connected to the outer surface of two piezoelectric ceramic pieces of described piezoelectric ceramics driving piece respectively and draw described injection moulding part by electrode link coordinates and realizes electrical connection with electrode hole on described conductive base, described injection moulding part is also with at least two locating dowels, described locating dowel coordinates described locating dowel is fixedly attached on described conductive base with locating hole on conductive base, on each side of described injection moulding partial width direction respectively with boss and groove, make when described piezoelectric ceramics driving piece is in place, groove fit on boss on the side of one of them piezoelectric ceramics driving piece of adjacent two piezoelectric ceramics driving pieces and the opposite flank of another piezoelectric ceramics driving piece, boss on groove on the side of this piezoelectric ceramics driving piece and the opposite flank of another piezoelectric ceramics driving piece coordinates, described piezoelectric ceramics driving piece is parallel to each other.
In a preferred specific embodiment, on two limits of described U-shaped electrode, respectively with inside projection, the distance between described protruding top is less than the thickness of described piezoelectric ceramics driving piece.
In a specific embodiment, described locating dowel is fixedly connected with described conductive base by welding manner.
In a specific embodiment, one end of described locating dowel is threaded, and is fixedly connected with described conductive base by countersunk nut.
In a specific embodiment, the cross sectional shape of described locating dowel is circular, ellipse, triangle, quadrangle or other polygonal shape, and described locating hole is corresponding circular, ellipse, triangle, quadrangle or other polygonal shape.
In a preferred specific embodiment, the cross section of described boss and groove is rectangle.
In a preferred specific embodiment, the link that described U-shaped electrode is drawn described injection moulding part is notched cylindric, and the diameter of described cylinder is greater than the diameter of the described electrode hole being mated on described conductive base.
The piezoelectric ceramic needle selecting machine of the replaceable piezoelectric ceramics driving piece in the present invention does not adopt conducting resinl or other resin material as the fixed sealing material of piezoelectric ceramic piece.When one of them piezoelectric ceramics driving piece breaks down cisco unity malfunction, it can be pulled down separately from conductive base, then with the piezoelectric ceramics driving piece in the present invention, replace.Therefore, the piezoelectric ceramic needle selecting machine of this structure can conveniently be realized the replacing of single fault piezoelectric ceramics driving piece, and need when single piezoelectric ceramics driving piece breaks down, just to piezoelectric ceramic needle selecting machine, not carry out integral replacing, thereby reduces costs.
Accompanying drawing explanation
State before the piezoelectric ceramics driving piece (before injection moulding) that Fig. 1 illustrates piezoelectric ceramic needle selecting machine of the present invention coordinates with electrode;
State when Fig. 2 illustrates piezoelectric ceramics driving piece (before injection moulding) in Fig. 1 and coordinates with electrode;
Fig. 3 is the schematic perspective view of the piezoelectric ceramics driving piece (after injection moulding) of piezoelectric ceramic needle selecting machine of the present invention;
Fig. 4 is the front-view schematic diagram of the piezoelectric ceramics driving piece in Fig. 3;
Fig. 5 is the assembling decomposing schematic representation of piezoelectric ceramic needle selecting machine of the present invention;
Fig. 6 is the sectional perspective schematic diagram of the link of a kind of electrode of the present invention;
Fig. 7 is the sectional perspective schematic diagram of existing a kind of piezoelectric ceramic needle selecting machine.
The specific embodiment
For more clearly understanding the present invention, existing the invention will be further described by reference to the accompanying drawings.Should be appreciated that, the specific embodiment of the present invention described in accompanying drawing only, for explanation use of the present invention, is not construed as limiting the invention.Protection scope of the present invention is limited by appending claims.
Should be appreciated that, accompanying drawing of the present invention is only explanation use of the present invention, not in proportion with true form accurate Drawing, so these accompanying drawings should not become limitation of the present invention.
State before the piezoelectric ceramics driving piece (before injection moulding) that Fig. 1 illustrates piezoelectric ceramic needle selecting machine of the present invention coordinates with electrode; And the state that Fig. 2 illustrates piezoelectric ceramics driving piece (before injection moulding) in Fig. 1 while coordinating with electrode.As shown in Figure 1, 2, the piezoelectric ceramics driving piece before injection moulding 200 comprises substrate 230 and fits in respectively the piezoelectric ceramic piece 210,220 of substrate 230 both sides.Substrate 230 is generally printed circuit board (PCB) (PCB), and its both sides, one end are respectively with the electrode slice 2301 that connects power supply, thereby provides power supply for the piezoelectric ceramic piece 210,220 of both sides.The other end at substrate 230 is the not shown needle selection head of needle selection head link 2302().As one aspect of the present invention, for piezoelectric ceramic piece 210,220 has designed another one electrode, i.e. electrode shown in Fig. 1 and Fig. 2 100.Electrode 100 can be U electrode type and is designed to when piezoelectric ceramics driving piece 200 inserts, and U-shaped two limits 110 and 120 are electrically connected to the outer surface of two piezoelectric ceramic pieces 210,220 of piezoelectric ceramics driving piece 200 respectively.Fig. 1 and Fig. 2 show a kind of preferred U-shaped electrode 100, be two limits 110 of U-shaped electrode with on 120 respectively with the projection 1101 and 1201 of relative (inwardly), distance between its protrusions 1101 and protruding 1201 tops is less than the integral thickness of piezoelectric ceramics driving piece 200, thereby while guaranteeing that piezoelectric ceramics driving piece 200 inserts, U-shaped electrode is reliably electrically connected to the outer surface of piezoelectric ceramic piece 210,220.
In the application, term " U-shaped electrode " is interpreted as being shaped as the electrode of " U " type or the electrode of similar " U " type.
On the base of U-shaped electrode, also with link 150 and its part, after follow-up injection moulding, be exposed to outside injection moulding part and be electrically connected to conductive base.
U-shaped electrode and link thereof can adopt electric good conductor to make, and are preferably made of copper again.
State when Fig. 2 shows piezoelectric ceramics driving piece (before injection moulding) in Fig. 1 and coordinates with electrode.As shown in Figure 2, piezoelectric ceramics driving piece 200 having inserted U-shaped electrode and piezoelectric ceramic piece 210 away from one end of its needle selection head link, 220(is not shown) two limits 110 and the 120(of outer surface and U-shaped electrode not shown) not shown by relative projection 1101,1102() be closely electrically connected to, and the base of piezoelectric ceramics driving piece is also close to the base of U-shaped electrode, form matable assembly 300.
Matable assembly 300 is put into prefabricated injection mold and carry out injection moulding, obtain the piezoelectric ceramics driving piece 400 after the injection moulding shown in Fig. 3,4.As shown in Figure 3,4, the piezoelectric ceramics driving piece after injection moulding 400 is with injection moulding part 500.Injection moulding part 500 has been coated all parts of U-shaped electrode except link 550.The length of moulding 500 (along the length direction of piezoelectric ceramics driving piece) is shown in Fig. 7 with fixedly wall 101(of the prior art) length substantially the same, its highly with respect to the height of piezoelectric ceramics driving piece respectively stretching out up and down a little, as 1-2mm.Shooting Technique can adopt known Shooting Technique.
In the injection moulding part 500 widths (direction vertical with the length direction of piezoelectric ceramics driving piece, be the thickness direction of piezoelectric ceramics driving piece) a side on boss 502 and groove 503, on another side of width, be with fluted 505 and boss 506, wherein shape, size and the position of the shape of boss 502, size and position and groove 505 are corresponding, and the shape of groove 503, size and position are corresponding with shape, size and the position of boss 506.The cross sectional shape of described boss, groove is preferably rectangle, but also can adopt other can realize other shape of the object of the invention.
Injection moulding part 500 in its underpart also with at least two locating dowels 507,508.Locating dowel 507,508 and the electrode link 550 that is exposed to injection moulding part 500 outsides will insert in the locating hole 807,808 and electrode hole 850 that conductive base 800 matches with it respectively, as shown in Figure 5.The cross sectional shape of described locating dowel 507,508 and electrode link 550 is not limited to circle, can also be ellipse, triangle, quadrangle or other polygonal shape.Correspondingly, locating hole 807,808 and electrode hole 850 should be designed to and described locating dowel 507,508 and the corresponding shape of electrode link 550.
Described locating dowel 507,508 and electrode link 550 are positioned on straight line, as be positioned on the axis of symmetry of piezoelectric ceramics driving piece, or be positioned on the straight line parallel with the axis of symmetry of piezoelectric ceramics driving piece, but do not make locating dowel 507,508 and electrode link 550 fixed on conductive base 800 preferably point-blank.In addition, in order to make locating dowel 507,508 and electrode link 550 fixed on conductive base 800, locating hole 807,808 can be designed to through hole, and adopt welding manner or alternate manner that locating dowel is fixedly connected with conductive base 800 in the bottom of conductive base 800, as adopted the threaded engagement of countersunk nut and locating dowel one end to be fixed on conductive base 800.
Because all piezoelectric ceramics driving pieces are all made the shape with injection moulding piezoelectric ceramics driving piece 400 partly of the present invention, therefore, as shown in Figure 5, when the description according to is above fixedly installed on conductive base, as the locating dowel 507a as piezoelectric ceramics driving piece 400a, 508a and electrode link 550a are fixedly installed on conductive base the locating hole 807a on 800, when 808a and electrode hole 850a, the boss 506 of piezoelectric ceramics driving piece 400 and the groove 503a of piezoelectric ceramics driving piece 400a coordinate, the groove 505 of piezoelectric ceramics driving piece 400 and the boss 502a of piezoelectric ceramics driving piece 400a coordinate.This cooperation makes to limit and be parallel to each other and its spacing and the essentially identical piezoelectric ceramics driving piece of prior art after piezoelectric ceramics driving piece 400,400a installation in position.
Although Fig. 5 only shows the matching relationship of two piezoelectric ceramics driving pieces, according to above-described mode, of the present invention a plurality of piezoelectric ceramics driving pieces of requirement can be mounted on successively on described conductive base and make piezoelectric ceramic needle selecting machine.
The piezoelectric ceramics driving piece at edge can only coordinate side with the boss in the present invention and groove, and this design does not depart from spirit of the present invention.
Also have, the groove of above-mentioned injection moulding part and boss design have increased the local thickness of injection moulding part, thereby play the effect of reinforcement, increase intensity and the reliability of injection moulding part.
Also have, in order to guarantee to be electrically connected to reliably between electrode link 550,550a and electrode hole 850 on conductive base 800,850a, described electrode link can be designed to cylindric with opening shown in Fig. 6.The external diameter of cylinder can be designed to be a bit larger tham the diameter of electrode hole, thereby makes behind electrode link electrode insertion hole because elasticity is near electrode hole wall, guarantees that electrode link is electrically connected to reliably with conductive base.
At single piezoelectric ceramics driving piece, as 400 when break down, only need be pulled down, then new same piezoelectric ceramics driving piece be inserted fixing in original position.Therefore, above-mentioned design of the present invention can realize being convenient for changing of single fault piezoelectric ceramic piece, and need when single piezoelectric ceramic piece breaks down, just to piezoelectric ceramic needle selecting machine, not carry out integral replacing, thereby reduces use cost.
Based on description of the preferred embodiment of the present invention, should be clear, the present invention who is limited by appending claims is not limited only to the specific detail of setting forth in description above, and what do not depart from aim of the present invention or scope may reach object of the present invention equally to many apparent changes of the present invention.
Claims (7)
1. the piezoelectric ceramic needle selecting machine of a replaceable piezoelectric ceramics driving piece, comprise a plurality of piezoelectric ceramics driving pieces and conductive base, it is characterized in that, described piezoelectric ceramics driving piece is with the injection moulding part with described piezoelectric ceramics driving piece one, described injection moulding partial interior is with a U-shaped electrode, and two limits of described U-shaped electrode are electrically connected to the outer surface of two piezoelectric ceramic pieces of described piezoelectric ceramics driving piece respectively and draw described injection moulding part by electrode link coordinates and realizes electrical connection with electrode hole on described conductive base, described injection moulding part is also with at least two locating dowels, described locating dowel coordinates described locating dowel is fixedly attached on described conductive base with locating hole on conductive base, on each side of described injection moulding partial width direction respectively with boss and groove, make when described piezoelectric ceramics driving piece is in place, groove fit on boss on the side of one of them piezoelectric ceramics driving piece of adjacent two piezoelectric ceramics driving pieces and the opposite flank of another piezoelectric ceramics driving piece, boss on groove on the side of this piezoelectric ceramics driving piece and the opposite flank of described another piezoelectric ceramics driving piece coordinates, described piezoelectric ceramics driving piece is parallel to each other.
2. the piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece according to claim 1, it is characterized in that, on two limits of described U-shaped electrode, respectively with inside projection, the distance between described protruding top is less than the thickness of described piezoelectric ceramics driving piece.
3. the piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece according to claim 1, is characterized in that, described locating dowel is fixedly connected with described conductive base by welding manner.
4. the piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece according to claim 1, is characterized in that, one end of described locating dowel is threaded, and is fixedly connected with described conductive base by countersunk nut.
5. according to the piezoelectric ceramic needle selecting machine of the replaceable piezoelectric ceramics driving piece described in the arbitrary claim of claim 1-4, it is characterized in that, the cross sectional shape of described locating dowel is circular, ellipse, triangle, quadrangle or other polygonal shape, described locating hole is corresponding circular, ellipse, triangle, quadrangle or other polygonal shape.
6. the piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece according to claim 5, is characterized in that, the cross section of described boss and groove is rectangle.
7. the piezoelectric ceramic needle selecting machine of replaceable piezoelectric ceramics driving piece according to claim 6, it is characterized in that, the link that described U-shaped electrode is drawn described injection moulding part is notched cylindric, and the diameter of described cylinder is greater than the diameter of the described electrode hole being mated on described conductive base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210163210.3A CN102677385B (en) | 2012-05-24 | 2012-05-24 | Piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210163210.3A CN102677385B (en) | 2012-05-24 | 2012-05-24 | Piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plate |
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| CN102677385A CN102677385A (en) | 2012-09-19 |
| CN102677385B true CN102677385B (en) | 2014-02-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103590182B (en) * | 2013-11-18 | 2015-05-20 | 芮国林 | Piezoceramic needle selection device guided out of grounding electrodes of piezoceramic driving sheets |
| CN106498615B (en) * | 2016-12-22 | 2018-12-21 | 重庆胜普昂凯科技有限公司 | A kind of attachment device for piezoelectricity selection piece and circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2762311B2 (en) * | 1990-03-08 | 1998-06-04 | ワックデータサービス株式会社 | Needle selection device for knitting machine with adjustment function and position adjustment method |
| CN1151322C (en) * | 1998-06-25 | 2004-05-26 | Wac资料服务株式会社 | Needle selector for knitting machine |
| JP2000110055A (en) * | 1998-08-06 | 2000-04-18 | Tdk Corp | Needle selector for knitting machine |
| CN100414014C (en) * | 2005-08-23 | 2008-08-27 | 昆山攀特电陶科技有限公司 | Carding and driven sheet connecting apparatus of needle selecting equipment |
| CN101603242B (en) * | 2009-07-23 | 2011-04-06 | 王占洪 | Jacquard needle block component used for jacquard warp knitting machine |
| CN201634847U (en) * | 2010-04-16 | 2010-11-17 | 奈瓷(西安)应用材料有限公司 | Novel combing seat and combing plate combination of piezo comb |
| CN202576830U (en) * | 2012-05-24 | 2012-12-05 | 芮国林 | Piezoelectric ceramic needle selector with replaceable piezoelectric ceramic driving piece |
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Free format text: FORMER OWNER: WANG YIJUN Effective date: 20150805 Owner name: JIANGSU MINGLANGXING NEW ENERGY TECHNOLOGY DEVELOP Free format text: FORMER OWNER: RUI GUOLIN Effective date: 20150805 |
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Effective date of registration: 20150805 Address after: 213164 Changzhou City, Wujin province Chang Wu Road, No. 18, No. Patentee after: JIANGSU MINGLANGXING NEW ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 223100 No. 19, Dong Yi Road, Hongze County Industrial Park, Jiangsu, Huaian Patentee before: Rui Guolin Patentee before: Wang Yijun |
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Denomination of invention: Piezoelectric ceramic needle selector capable of exchanging piezoelectric ceramic drive plate Effective date of registration: 20180927 Granted publication date: 20140212 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd Pledgor: JIANGSU MINGLANGXING NEW ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. Registration number: 2018990000901 |
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Date of cancellation: 20210727 Granted publication date: 20140212 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd. Pledgor: JIANGSU MINGLANGXING NEW ENERGY TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2018990000901 |
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