CN101876116A - Electronic jacquard card drive board - Google Patents
Electronic jacquard card drive board Download PDFInfo
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- CN101876116A CN101876116A CN 201010226243 CN201010226243A CN101876116A CN 101876116 A CN101876116 A CN 101876116A CN 201010226243 CN201010226243 CN 201010226243 CN 201010226243 A CN201010226243 A CN 201010226243A CN 101876116 A CN101876116 A CN 101876116A
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Abstract
The invention discloses an electronic jacquard card drive board which comprises a drive circuit board, a bistable needle selection electromagnetic valve, an FPC flexible circuit, a data transmission interface and at least two fixed pins, wherein an electromagnetic valve fixed seat and the drive circuit board are fixed together through the fixed pins; the flat cable terminal of the FPC flexible circuit is connected with the drive circuit board through an FPC connector; the FPC connector is welded on the drive circuit board; and the data transmission interface comprises an interface plug and an interface socket which are respectively vertically welded and fixed to the upper and lower surfaces of the drive circuit board. The bistable needle selection electromagnetic valve and the FPC flexible circuit on the electronic jacquard card drive board are fixed in a detachable way, and can be conveniently replaced when going wrong, thereby reducing the operation cost. The data transmission interface is convenient to disassemble and maintain, so that two electronic jacquard card drive boards can be connected together in a more stable way, thereby ensuring data transmission to be more accurate.
Description
Technical field
The present invention relates to a kind of electronic jacquard card drive board.
Background technology
The loom that uses often adopts electronic jacquard card drive board to replace traditional papery punching diamond plate to control weaving of colored shape for enhancing productivity at present.
Be existing a kind of electronic jacquard card drive board 10 as shown in Figure 1 to Figure 3, comprise the fixed mount 11 of pushing pin, guide bracket 12, drive circuit board 13, frame 14, bistable state needle selection electromagnetic valve 15, push pin 16, FPC flexible circuit 17 and data transmission interface 18.Bistable state needle selection electromagnetic valve 15 stepped being distributed on the drive circuit board 13, and be connected with drive circuit board 13 by FPC flexible circuit 17, two frames 14 respectively by pressure welding plastic cap 14c pressure welding in drive circuit board 13 both sides.
At publication number is that CN2639326 a kind of controls in the Electronic card of jacquard needle selecting and disclose a kind of bistable state needle selection electromagnetic valve.This bistable state needle selection electromagnetic valve is connected on the drive circuit board by the FPC flexible circuit.This bistable state needle selection electromagnetic valve is made of electromagnetic valve holder, coil rack, coil, iron core and permanent magnet, have horizontal biserial pilot hole and vertical special-shaped groove on the electromagnetic valve holder, one end of coil rack is provided with block, the other end is provided with terminals, one through hole is arranged in the middle of the coil rack, iron core is installed in this through hole, permanent magnet is installed on two faces unshakable in one's determination, the excitation system that constitutes with permanent magnet unshakable in one's determination is fixed in the vertical special-shaped groove of electromagnetic valve holder, but coil rack and coil move relative to the iron core easy on and off.
Be typically provided with 6 reference columns on the electromagnetic valve holder of existing bistable state needle selection electromagnetic valve, drive circuit board is provided with 6 locating holes that cooperate with reference column, and wherein 4 reference columns are higher than other 2 reference columns.When electromagnetic valve is installed, need earlier coil rack, coil, iron core and permanent magnet and electromagnetic valve holder to be assembled, then the electromagnetic valve holder is fixed on the drive circuit board by 4 reference column pressure weldings, form the pressure welding plastic cap at the drive circuit board lower surface, other 2 short reference columns play the role of positioning.
The winding displacement termination of the FPC flexible circuit 17 on the existing electronic jacquard card drive board is directly to be welded on the drive circuit board 13; Described frame 14 both sides top edges are respectively equipped with passive 3 small column 14a, also are provided with socket cap 14b in the rear and front end of frame; Its data transmission interface 18 uses winding displacement and bus bar connector to connect when the transfer of data that realizes between the electronic jacquard card drive board; 16 the plastic cap of pushing pin adopts cylindrical structural.
There are many defectives in above-mentioned electronic jacquard card drive board:
1, in actual use, bistable state needle selection electromagnetic valve on the drive plate is damaged easily, but because this electromagnetic valve is to be fixed on the drive circuit board by adding thermocompression bonding, be not easy to dismounting, and after disassembling, electromagnetic valve originally will be scrapped, again load onto new electromagnetic valve, also need to adopt bond technology, this all needs professional and special instrument to operate, therefore, just have to the monoblock drive plate of damage electromagnetic valve is returned manufacturer's place under repair.This has not only delayed the production operation of loom, has also increased the maintenance cost of enterprise.When the FPC flexible circuit was damaged, it was the same with the electromagnetic valve damage also to have to, and the monoblock drive plate need be returned manufacturer's place under repair.
If do not return maintenance, the monoblock drive plate all will be scrapped so, and this can cause great loss to enterprise.
2, the assembling of each parts of electromagnetic valve all needs manually to operate, and the assembly work zone is very little, when the assembling permanent magnet, but their magnetic is very strong, is not easy to install, because above-mentioned this electromagnetic valve holder need be fixed on the drive circuit board by 4 reference column pressure weldings, the just necessary long enough of these 4 reference columns, and reference column is long, causes operational inconvenience just certainly will for the workman when the assembling permanent magnet, causes work efficiency lower.
3, data transmission interface uses winding displacement and bus bar connector to connect, its winding displacement in use has electric current to pass through, easily heating, increase along with service time, in the process of constantly heating and cooling, the aging easily distortion of winding displacement causes to have loose contact and loosening easily shortcoming between winding displacement and the bus bar connector, so need dismantle and safeguard, change winding displacement frequently, reduce the operating efficiency of electronics flower pillow machine.Simultaneously, existing electronic jacquard card drive board data transmission interface adopts the mode of stitch welding to be fixed on the electronic jacquard card drive board, and winding displacement is often changed plug, also causes loose contact easily, more is not easy to the dismounting maintenance.
4, the front end of electronic jacquard card drive board frame short brink is not provided with the reinforcement step, at dismounting and maintenance process, and the drive plate fixed cylinder that fractures an easily 14b; Usually the work that tens of electronic jacquard card drive boards need be stacked together in real work only is provided with small column in the long limit of frame one side and comes the support drive plate, because the strong point is too little, is easy to make electronic jacquard card drive board to intermediate recess.
5, existing electronic jacquard card drive board pushes pin that the through hole of reciprocating motion meeting and the fixed mount of pushing pin rubs in the through hole of fixed mount of pushing pin, the external diameter of the plastic cap of pushing pin can be more and more littler, be easy to generate and rock, rock the wearing and tearing that to send noise and quicken the through hole of the plastic cap of pushing pin and the fixed mount of pushing pin, be unfavorable for producing.
Summary of the invention
The object of the present invention is to provide a kind of novel electron jacquard card drive board, when the bistable state needle selection electromagnetic valve on the electronic jacquard card drive board and FPC flexible circuit are damaged, the client can be voluntarily, easily it is changed, both provided cost savings, do not influence the ordinary production operation yet, shortcomings such as the winding displacement that has also overcome existing electronic jacquard card drive board data transmission interface simultaneously is easily aging, loosening, loose contact, and the frame insufficient strength, push pin plastic cap and the wear problem between the fixed mount through hole of pushing pin.
For this reason, the present invention adopts following technical scheme:
A kind of electronic jacquard card drive board comprises the fixed mount of pushing pin, guide bracket, drive circuit board, drive plate frame, bistable state needle selection electromagnetic valve, pushes pin, FPC flexible circuit, FPC connector and data transmission interface;
Described bistable state needle selection electromagnetic valve links to each other with drive circuit board by the FPC flexible circuit, described bistable state needle selection electromagnetic valve comprises the electromagnetic valve holder, on the electromagnetic valve holder, be provided with reference column, drive circuit board is provided with the locating hole that cooperates with reference column, has on the electromagnetic valve holder to wear the laterally steering hole of pushing pin;
The plastic cap of pushing pin and comprising the needle body and being fixed on needle body end, its plastic cap be positioned on the fixed mount of pushing pin pilot hole and can before and after move back and forth, the needle body passes in the laterally steering hole that pilot hole on the fixed mount of pushing pin and the bullport on the guide bracket be inserted in the electromagnetic valve holder;
Described drive plate frame comprises two by two minor faces and the non-enclosed frame of spill that long limit constitutes, and is provided with socket cap in frame minor face one side;
Further, also comprise at least two steady pins, the electromagnetic valve holder is provided with the pin-and-hole that is complementary with steady pin, and drive circuit board is provided with the fixing hole that is complementary with steady pin, and electromagnetic valve holder and drive circuit board are fixed together by steady pin; Described FPC flexible circuit comprises cable terminal and FPC connector, and FPC connector is welded on the drive circuit board, and cable terminal cooperates with the insertion mouth of FPC connector;
Described data transmission interface comprises that the interface contact pin and the interface that are complementary are slotting female, and described interface contact pin and interface are inserted the not vertical upper and lower surface that is weldingly fixed on drive circuit board of mother stock.
Further, described steady pin comprises the pin body of being with tapering, and the less end of pin body diameter is provided with the pin point, and the bigger end of pin body diameter is provided with the pin cap, described pin point is taper shape or circular cone structure, sells the diameter of the diameter of sharp bottom greater than the less end of pin body diameter; Steady pin passes fixing hole, pin-and-hole successively, and the pin cap exposes to the lower surface of drive circuit board, and the pin point is positioned at pin-and-hole and passes; The circular cone bench-type through hole of described pin-and-hole for matching with the pin body.
The tapering of described steady pin pin body and pin-and-hole is 1: (8-12); The difference of selling the diameter of the diameter of sharp bottom and the less end of pin body diameter is 0.2-0.4mm.
Further, be provided with projection, the end face of this projection and the end face of socket cap of outside protrusion in the end of the long limit of frame one side.
Top edge in the frame rear and front end is provided with first support level, and the described projection and first support level are integral structure.
Top edge in the long limit of frame one side also is provided with at least one second support level.
Further, the described plastic cap of pushing pin is cylinder by toward the outer side one section, is the frustum of a cone towards a section of inboard, and the described cylinder and the frustum of a cone are all one, and an end and cylinder that frustum of a cone diameter is big are isometrical, and the little end of frustum of a cone diameter is towards the inboard; The tapering of the described frustum of a cone is 1: (20-30); Pilot hole on the diameter of described cylinder and the fixed mount of pushing pin is complementary.
Further, described FPC connector comprises pedestal and location snap close, and pedestal is welded on the drive circuit board, and FPC connector inserts mouth and is positioned on the pedestal; Snap close two ends, location respectively are provided with a locating piece, are provided with the snap close locating slot that matches with locating piece in the two side portion of this insertion mouth; Cable terminal is provided with a downward opening draw-in groove, and described draw-in groove matches with the snap close locating slot and the formed wall of the locating piece portion of slotting inlet side.
Further, described location snap close is provided with and can inserts FPC connector and insert mouthful and cable terminal can be pressed abd fixed on spacer in the snap close locating slot.
Further, the base bottom of described FPC connector is provided with at least two reference columns, and drive circuit board is provided with the locating hole that cooperates with described reference column.
The invention has the beneficial effects as follows:
1, by adopting the cooperation of steady pin and reference column, and FPC connector is connected to drive circuit board with the FPC flexible circuit, can realize detachable connection the between bistable state needle selection electromagnetic valve holder and FPC flexible circuit and the drive circuit board, when bistable state needle selection electromagnetic valve or FPC flex circuit fails, the client is dismounting and the electromagnetic valve that more renews voluntarily extremely easily just, and need not change monoblock solenoid-driven plate (a solenoid-driven plate has 16 electromagnetic valves usually).
Owing to steady pin is designed to said structure, when installing and fixing pin, only need just it to be loaded onto, and after installing, pin point and pin cap can plays good spacing snap action, electromagnetic valve and drive circuit board closely can be fixed together with very little strength; And the design of the steady pin of this structure when the dismounting steady pin, only needs to adopt common pushing pin at this end of pin point, and a top just can be released steady pin gently, and it is very convenient to operate.
Simultaneously, fix owing to employing activity steady pin substitutes the pressure welding plastic cap, and the reference column that plays the role of positioning in addition is all shorter, when the assembling permanent magnet, hinders in the time of just greatly reducing the assembling permanent magnet, make assembling faster efficient.
2, adopt the data transmission interface of electronic jacquard card drive board of the present invention, when connecting two electronic jacquard card drive boards, owing to do not need to use winding displacement and bus bar connector, the aging phenomenon that reaches the winding displacement heating of winding displacement so just can not appear, do not need to change winding displacement, saved cost; Easy to use, be convenient to dismounting and maintenance; Also can make two electronic jacquard card drive boards more stably link together, guarantee that transfer of data is more accurate.
3, the frame of electronic jacquard card drive board of the present invention has improved the bulk strength of electronic jacquard card drive board, the support level of its increase can effectively prevent the depressed phenomenon of electronic jacquard card drive board, and the projection of its increase can prevent from dismounting and maintenance process the fixed cylinder head to be fractureed.
4, the plastic cap of pushing pin of electronic jacquard card drive board of the present invention adopts conical structure, and the through hole of the fixed mount of pushing pin and push pin more stably is combined together, and can not produce shaking phenomenon; Simultaneously, can also alleviate the wearing and tearing of the plastic cap of pushing pin, relative plastic cap, the through hole wearing and tearing of the fixed mount of pushing pin are littler, only need change one during replacing and push pin just passablely, can significantly reduce the turnover rate of the fixed mount of pushing pin and push pin.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of existing a kind of electronic jacquard card drive board;
Fig. 2 is the front view of existing a kind of electronic jacquard card drive board frame;
Fig. 3 is the left view of existing a kind of electronic jacquard card drive board frame;
Fig. 4 is the structural representation of a kind of electronic jacquard card drive board embodiment of the present invention;
Fig. 5 is the bistable state needle selection electromagnetic valve of a kind of electronic jacquard card drive board embodiment of the present invention and the schematic diagram of the combination of pushing pin;
Fig. 6 selects the assembling schematic diagram of pin electromagnetic valve for the bistable state of a kind of electronic jacquard card drive board embodiment of the present invention;
Fig. 7 is the front view of the electromagnetic valve holder of a kind of electronic jacquard card drive board embodiment of the present invention;
Fig. 8 is Fig. 7 vertical view;
Fig. 9 is the front view of the steady pin of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 10 is the front view of pushing pin of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 11 is the schematic diagram of push pin, push pin fixed mount and the guide bracket combination of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 12 is the structural representation of the fixed mount of pushing pin of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 13 is the structural representation of the guide bracket of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 14 is the front view of the FPC flexible circuit of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 15 a is the FPC connector front view of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 15 b is Figure 15 a left view;
Figure 15 c is a location snap close front view among Figure 15 a;
Figure 15 d is a pedestal left view among Figure 15 a;
Figure 16 a is the FPC connector front view of the another kind of electronic jacquard card drive board embodiment of the present invention;
Figure 16 b is Figure 16 a left view;
Figure 17 is the front view of the drive circuit board of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 18 is the front view of the frame of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 19 is the vertical view of the frame of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 20 is the front view of the interface contact pin of the data transmission interface of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 21 inserts female front view for the interface of the data transmission interface of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 22 is the fundamental diagram of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 23 is the perspective view of a kind of electronic jacquard card drive board embodiment of the present invention;
Figure 24 is the assembling schematic diagram of a kind of electronic jacquard card drive board embodiment of the present invention in loom.
The specific embodiment
With reference to accompanying drawing.A kind of electronic jacquard card drive board 20 comprises the fixed mount 21 of pushing pin, guide bracket 22, drive circuit board 23, frame 24, bistable state needle selection electromagnetic valve 25, pushes pin 26, data transmission interface 27 and FPC flexible circuit 28.Described bistable state needle selection electromagnetic valve 25 stepped being distributed on the drive circuit board 23, bistable state needle selection electromagnetic valve 25 links to each other with drive circuit board 23 by FPC flexible circuit 27, two electronic jacquard card drive board frames 24 are respectively by the both sides of six pressure welding plastic cap 24c pressure welding at drive circuit board 23, the mode that described data transmission interface 28 welds by paster is fixed on the upper surface and the lower surface of drive circuit board 23, and described pushing pin moves up and down in the pilot hole of fixed mount of pushing pin.
Described bistable state needle selection electromagnetic valve 25 comprises electromagnetic valve holder 251, coil rack 252, two coils 253, two block length side's upright cores 254 and four permanent magnets 255, stepped being distributed on the drive circuit board of described bistable state needle selection electromagnetic valve; Have horizontal biserial pilot hole 251a and vertical special-shaped groove 251b on the electromagnetic valve holder 251; One end of coil rack 252 is provided with block 252a, the other end is provided with terminals 252b, one through hole 252c is arranged in the middle of the coil rack, unshakable in one's determination 14 are installed among this through hole 252c, permanent magnet 255 is installed on two faces of iron core 254, unshakable in one's determination 254 excitation systems that constitute with permanent magnet 255 are fixed among the vertical special-shaped groove 251b of electromagnetic valve holder 251, but coil rack 252 and coil 253 move relative to 254 easy on and off unshakable in one's determination.
Described bistable state needle selection electromagnetic valve also comprises two steady pins 30, electromagnetic valve holder 251 is provided with the pin-and-hole 251c that is complementary with steady pin, drive circuit board is provided with the fixing hole 23a that is complementary with steady pin 30 and pin-and-hole 251c, steady pin passes fixing hole, pin-and-hole successively, and electromagnetic valve holder and drive circuit board are fixed together.Be provided with four reference column 251d that play the role of positioning on the electromagnetic valve holder, drive circuit board is provided with the locating hole 23b that is complementary with reference column.
For ease of the electromagnetic valve holder is fixed on the drive circuit board, and the electromagnetic valve holder unloaded from drive circuit board, the steady pin that present embodiment proposes comprises pin cap 30a, pin body 30b and sells sharp 30c, pin-and-hole 251a and pin body 30b are complementary and close, pin cap 30a exposes to the lower surface of drive circuit board, and the pin point passes through pin-and-hole 251a.Described pin body 30b is a circular cone structure, sell sharp 30c and also be circular cone structure, the end that the little end of pin body frustum of a cone diameter and pin point frustum of a cone diameter are big links to each other, and the former diameter is slightly less than latter's diameter, this can make the pin point successfully to pass from pin-and-hole, and after passing, the pin point then is stuck in the pin-and-hole outside.
The difference of the diameter d 2 of pin point bottom and the diameter d 1 of the less end of pin body diameter is designed to 0.2-0.4mm, is enough to make the pin point to play effective locking effect, simultaneously, can also make the pin point pass pin-and-hole smoothly or withdraw from pin-and-hole.
More tight for pin-and-hole can be cooperated with the pin body, pin-and-hole 251c is a circular cone bench-type through hole, and its tapering is consistent with the tapering of pin body.In the present embodiment, for making steady pin pass pin-and-hole smoothly, like a cork or withdraw from pin-and-hole, be 1 with the taper design of pin body and pin-and-hole: (8-12) be advisable, be preferably 1: 10.
Described FPC flexible circuit 28 comprises cable terminal 28a and FPC connector 29, cable terminal matches with the insertion mouth 29b of FPC connector, one end 28b of FPC flexible circuit is connected with the terminals 252b of coil rack 252, and be connected with coil 253, the other end of FPC flexible circuit is that cable terminal 28a is connected with drive circuit board by inserting among the FPC connector insertion mouthful 29b, and FPC connector is fixed on the drive circuit board by the paster welding procedure.
Figure 15,16 is depicted as the embodiment of two kinds of FPC connector structures.As shown in figure 15, this FPC connector partly is made of pedestal 29a, location snap close 29c, several conducting terminals 29d three, base bottom is provided with two reference column 29e, drive circuit board is provided with two locating holes that cooperate with described reference column 29e, has guaranteed the uniformity of each FPC connector on drive plate like this.FPC connector inserts a mouthful 29b and is arranged on the pedestal, the two side portion that FPC connector inserts mouthful 29b is provided with the snap close locating slot 29a1 that cooperates with the locating piece 29c1 that locatees snap close 29c, and cable terminal is inserted into a pedestal insertion mouthful back, the inside makes cable terminal contact with conducting terminal by snap close.Adopt the FPC connector of this structure, for making cable terminal insert the insertion mouth 29b of FPC connector from a side along horizontal direction, must on cable terminal 28a, be provided with a downward opening draw-in groove 28c, so that the head of cable terminal can be accurately and firm the linking together of conducting terminal in the FPC connector, draw-in groove 28c matches with the snap close locating slot and the formed wall of the snap close portion that insert close cable terminal one side of mouth.
Shown in Figure 15 c, the two ends of described location snap close respectively are provided with a locating piece 29c1 who matches with the snap close locating slot, a snap close middle side towards cable terminal in location is provided with one and can inserts the spacer 29c2 that FPC connector inserts mouthful 29b, during installation, snap close inserts from pedestal one side, the locating piece at its two ends inserts in the snap close locating slot of pedestal both sides, and its spacer inserts FPC connector and inserts in the mouth, and this spacer can be pressed abd fixed on cable terminal in the snap close locating slot with locating piece.
As shown in figure 16, the FPC connector of present embodiment partly is made of pedestal 29a and conducting terminal 29d two.Having a groove 29b in the middle of the pedestal matches with cable terminal 28a.The clamping that the elastic reaction of cable terminal by conducting terminal self reinforced it.Adopt the FPC connector of this embodiment, owing to cable terminal is not set on its pedestal, so need not offer draw-in groove on the cable terminal stopping along the wall portion that horizontal direction is inserted.Base bottom also can be provided with two reference column 29e and match with two locating holes on the drive circuit board.
Described frame 24 is the non-enclosed frame of spill, has the minor face of a long limit and two symmetries, comprises cylinder step 24a, socket cap 24b and pressure welding plastic cap 24c.Two cylinder step 24a are arranged symmetrically in the two ends on long limit, and two socket cap 24b are arranged symmetrically in the front portion of both sides minor face; Six pressure welding plastic cap 24c are evenly distributed on the long limit of electronic jacquard card drive board frame 24 and the downside of minor face, and effect is that electronic jacquard card drive board frame and electronics flower pillow driver circuit plate is linked together securely, strengthen simultaneously and protect the driver circuit plate.Be provided with the projection 24d and the first support level 24e in frame 24 rear and front ends, projection 24d protrudes outside one side direction of long limit, the end face of this projection 24d flushes with the end of socket cap 24b, the first support level 24e is positioned at the top edge of frame 24 rear and front ends, for easy to process and gain in strength, the described projection 24d and the first support level 24e are integral structure.Top edge in the long limit of frame one side is provided with two second support level 24f.
Described data transmission interface 27 comprises interface contact pin 271 and the interface slotting female 271 that is complementary.Described interface contact pin 271 comprises shell 271a, row pin 271b and contact pin pad 271c, and described interface is inserted female 272 and comprised pin hole 272a, inserts female pad 272b and insert maternal body 272c.The pin hole 272a that row's pin 271a of described interface contact pin 271 and interface are inserted mother 272 is 25 pairs, and row's pin 271a needle gage of interface contact pin 271 is 2mm, and the pin hole 272a pitch-row that interface is inserted mother 272 is 2mm.
Described interface contact pin 271 and interface insert female 272 respectively by adopting the paster welding manner to be fixed on the upper surface and the lower surface of drive circuit board 23 contact pin pad 271c and slotting female pad 272b, weld simple and convenient, improve production efficiency, used comparison safety.When connecting two electronic jacquard card drive boards, the mode of employing straight cutting connects the data transmission interface 27 of two electronic jacquard card drive boards.Adopt the data transmission interface of present embodiment, convenient to use, for convenience detach, safeguard simply, two electronic jacquard card drive boards stably can be fixed together according to equivalent distance between plates, can realize the accurate transmission of data.
Described pushing pin 26 comprises needle body 26a and is fixed on the plastic cap of needle body end that described plastic cap is formed by plastic injection-moulded.Plastic cap is provided with frustum of a cone 26c structure, and the end that frustum of a cone 26c diameter is big is provided with one section cylinder 26b, and cylinder 26b and frustum of a cone 26c are all one, and cylinder 26b toward the outer side.The frustum of a cone tapering of described plastic cap is 1: (20-30), be preferably 1: 30.Described plastic cap length overall is 12 millimeters, and wherein the length of cylinder 26b is 2 millimeters, and the length of frustum of a cone 26c is 10 millimeters.Such design, can make the push pin circumference sideline of the little end of plastic cap 2 diameters rub mutually with the through hole of the fixed mount of pushing pin, and the uniformity at the fixed mount through hole center that guaranteed to push pin and push pin because plastic cap weight is also light, can prolong the friction life-span of 10 times of plastic caps again.
Push pin to have on the fixed mount 21 with the machinery tap and go up eedles 40 corresponding pilot hole 21a, the fixed mount 21 of pushing pin is fixed together with mechanical tap.The described plastic cap linear reciprocation in the pilot hole 21a of fixed mount 21 that pushes pin of pushing pin moves, and push pin 26 plastic cap and machinery tap go up eedles 40 the end mutually by or mutually close; 26 the needle body 26a of pushing pin passes among the horizontal biserial pilot hole 251a that pilot hole 21a on the fixed mount 21 of pushing pin and the bullport 22a on the guide bracket 22 be inserted in electromagnetic valve holder 251.
The specification of electronic jacquard card drive board is: the size of drive circuit board 23 is 183mm * 170mm, be benchmark with the medium line on every electronic jacquard card drive board, steppedly be arranged with 16 bistable state needle selection electromagnetic valves 25, and each bistable state needle selection electromagnetic valve 25 all is furnished with coil rack 25b and two coil 25c, two block length side upright core 25d, four permanent magnet 25e and two and pushes pin 26, is provided with 16 FPC flexible circuits 28 on every electronic jacquard card drive board accordingly and is connected with 16 bistable state needle selection electromagnetic valves 25.Coil on coil rack is 2100 circles, and the electrical current of coil is 12.5mA, and specification unshakable in one's determination is 32mm * 5mm * 1mm, and the specification of permanent magnet is 5mm * 5mm * 3mm.Pushing pin has 32 pilot holes on the fixed mount 21, and every electronic jacquard card drive board is provided with 32 altogether and pushes pin, and the length of pushing pin is corresponding with the bistable state needle selection electromagnetic valve 25 of stepped distribution.
The operation principle of electronic jacquard card drive board is: 80 electronic jacquard card drive boards are combined, the pin number of always pushing pin is 2560 pins, corresponding 32 eedles 40 of every electronic jacquard card drive board, and the distance of eedles and eedles is 4mm, every electronic jacquard card drive board is stacked together each other.All electronic jacquard card drive boards are fixed in the casing and the reciprocating lever on the mechanical tap is fixed together, and the stroke of reciprocating lever is 12mm.
Use bistable state needle selection electromagnetic valve to reach electronic jacquard card drive board " porose " or " atresia " these two states, when leading to a positive current to coil, movable coil rack and coil move up, block does not block and pushes pin, form " porose " state of electronic jacquard card drive board, corresponding warp is raised in the loom; When leading to a negative current to coil, movable coil and coil rack move down, and block blocks pushes pin, and form " atresia " state of electronic jacquard card drive board, and corresponding warp avales in the loom, promptly finishes corresponding weaving operation.
Claims (10)
1. electronic jacquard card drive board comprises the fixed mount of pushing pin, guide bracket, drive circuit board, drive plate frame, bistable state needle selection electromagnetic valve, pushes pin, FPC flexible circuit, FPC connector and data transmission interface; It is characterized in that:
Described bistable state needle selection electromagnetic valve links to each other with drive circuit board by the FPC flexible circuit, described bistable state needle selection electromagnetic valve comprises the electromagnetic valve holder, on the electromagnetic valve holder, be provided with reference column, drive circuit board is provided with the locating hole that cooperates with reference column, has on the electromagnetic valve holder to wear the laterally steering hole of pushing pin;
The plastic cap of pushing pin and comprising the needle body and being fixed on needle body end, its plastic cap be positioned on the fixed mount of pushing pin pilot hole and can before and after move back and forth, the needle body passes in the laterally steering hole that pilot hole on the fixed mount of pushing pin and the bullport on the guide bracket be inserted in the electromagnetic valve holder;
Described drive plate frame comprises two by two minor faces and the non-enclosed frame of spill that long limit constitutes, and is provided with socket cap in frame minor face one side;
Further, also comprise at least two steady pins, the electromagnetic valve holder is provided with the pin-and-hole that is complementary with steady pin, and drive circuit board is provided with the fixing hole that is complementary with steady pin, and electromagnetic valve holder and drive circuit board are fixed together by steady pin; Described FPC flexible circuit comprises cable terminal and FPC connector, and FPC connector is welded on the drive circuit board, and cable terminal cooperates with the insertion mouth of FPC connector;
Described data transmission interface comprises that the interface contact pin and the interface that are complementary are slotting female, and described interface contact pin and interface are inserted the not vertical upper and lower surface that is weldingly fixed on drive circuit board of mother stock.
2. electronic jacquard card drive board as claimed in claim 1, it is characterized in that: described steady pin comprises the pin body of being with tapering, the less end of pin body diameter is provided with the pin point, the bigger end of pin body diameter is provided with the pin cap, described pin point is taper shape or circular cone structure, sells the diameter of the diameter of sharp bottom greater than the less end of pin body diameter; Steady pin passes fixing hole, pin-and-hole successively, and the pin cap exposes to the lower surface of drive circuit board, and the pin point is positioned at pin-and-hole and passes; The circular cone bench-type through hole of described pin-and-hole for matching with the pin body.
3. electronic jacquard card drive board as claimed in claim 2 is characterized in that: the tapering of described steady pin pin body and pin-and-hole is 1: (8-12); The difference of selling the diameter of the diameter of sharp bottom and the less end of pin body diameter is 0.2-0.4mm.
4. electronic jacquard card drive board as claimed in claim 3 is characterized in that: the projection, the end face of this projection and the end face of socket cap that are provided with outside protrusion in the end of the long limit of frame one side.
5. electronic jacquard card drive board as claimed in claim 4 is characterized in that: the top edge in the frame rear and front end is provided with first support level, and the described projection and first support level are integral structure.
6. electronic jacquard card drive board as claimed in claim 5 is characterized in that: the top edge in the long limit of frame one side is provided with at least one second support level.
7. as each described electronic jacquard card drive board of claim 1-6, it is characterized in that: the described plastic cap of pushing pin is cylinder by toward the outer side one section, one section towards the inboard is the frustum of a cone, the described cylinder and the frustum of a cone are all one, an end and cylinder that frustum of a cone diameter is big are isometrical, and the little end of frustum of a cone diameter is towards the inboard; The tapering of the described frustum of a cone is 1: (20-30); Pilot hole on the diameter of described cylinder and the fixed mount of pushing pin is complementary.
8. as each described electronic jacquard card drive board of claim 1-6, it is characterized in that: described FPC connector comprises pedestal and location snap close, and pedestal is welded on the drive circuit board, and FPC connector inserts mouth and is positioned on the pedestal; Snap close two ends, location respectively are provided with a locating piece, are provided with the snap close locating slot that matches with locating piece in the two side portion of this insertion mouth; Cable terminal is provided with a downward opening draw-in groove, and described draw-in groove matches with the snap close locating slot and the formed wall of the locating piece portion of slotting inlet side.
9. electronic jacquard card drive board as claimed in claim 8 is characterized in that: described location snap close is provided with and can inserts FPC connector and insert mouthful and cable terminal can be pressed abd fixed on spacer in the snap close locating slot.
10. electronic jacquard card drive board as claimed in claim 8 is characterized in that: the base bottom of described FPC connector is provided with at least two reference columns, and drive circuit board is provided with the locating hole that cooperates with described reference column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102262439A CN101876116B (en) | 2010-07-13 | 2010-07-13 | Electronic jacquard card drive board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102262439A CN101876116B (en) | 2010-07-13 | 2010-07-13 | Electronic jacquard card drive board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101876116A true CN101876116A (en) | 2010-11-03 |
| CN101876116B CN101876116B (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102262439A Active CN101876116B (en) | 2010-07-13 | 2010-07-13 | Electronic jacquard card drive board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101876116B (en) |
Cited By (2)
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| CN102345202A (en) * | 2011-05-06 | 2012-02-08 | 柴飞标 | Double-acting type electronic jacquard pillow |
| CN102888692A (en) * | 2012-10-16 | 2013-01-23 | 杭州微推信息科技有限公司 | Flower pillow electromagnetic valve, flower pillow drive board and computer flower pillow thereof |
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| CN102888692B (en) * | 2012-10-16 | 2013-11-27 | 杭州微推信息科技有限公司 | Flower pillow electromagnetic valve, flower pillow drive board and computer flower pillow thereof |
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| Publication number | Publication date |
|---|---|
| CN101876116B (en) | 2012-02-08 |
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Address after: 310007 No. 219 Moganshan Road, Xihu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Tianmai Intelligent Manufacturing Co., Ltd. Address before: 310007 No. 219 Moganshan Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Tianmai Textile Electronictech Co., Ltd. |