CN202705662U - Piezoelectric jacquard device of warp knitting machine - Google Patents

Abstract

A piezoelectric jacquard device of a warp knitting machine comprises a base (1), a plurality of needle selection pieces (2), a connection shield (3), a flexible flat cable bundle (4), U-shaped block (5), a spring (6), screws (7) and the like. The needle selection pieces (2) is connected with the base (1) by the aid of a mode that the needle selection pieces (2) are inserted into a rear U-shaped groove (13) after the head portion of an external electrode of each bimorph (8) is wrapped by a copper foil (11), the copper foil (11) serves as a connector of the needle selection pieces and the base, the flexible flat cable bundle (4) and a connection portion of the needle selection pieces (2) and the base (1) are sealed by the aid a whole sealing mode, and the head portion of the needle selection pieces (2), connection points of leads, centerline connection points and a connection end of a flexible flat lead (15) and a weaving cover (16) are solidified and sealed together.

Description

A kind of piezoelectric jacquard jacquard attachment of warp knitting machine

Technical field

The utility model belongs to field of textile machinery, particularly a kind of piezoelectric jacquard jacquard attachment of warp knitting machine.

Background technology

Warp knitting machine is used more and more extensive in the textile machine, particularly load onto the warp knitting machine of piezoelectric jacquard jacquard attachment, can make the Jacquard conversion abundanter, the piezoelectric jacquard jacquard attachment is to utilize the inverse piezoelectric effect of piezoelectric ceramic piece in electric field directly to convert electrical energy into mechanical energy, by swinging of bimorph, drive the braiding of sley point and yarn, it can send signal by computer software and control swing, and conversion software is just realized the do not suit random conversion of type of braided fabric.The piezoelectric jacquard jacquard attachment is a kind of high-precision performer, particularly its application in the RS machine reaches especially per minute 1000 and turns above speed, under so high speed, the inconsistent damage that just easily causes wire of wire and slide cam selector motion, and the design of existing Jacquard is not enough to support it to connect the requirement that root is worked reliably and with long-term at the high speed lower wire, therefore require wire is fixed, simultaneously, the external electrode of existing piezoelectric jacquard jacquard attachment and the connections such as adopting electric slurry that is connected of the U-shaped groove of pedestal, technique is loaded down with trivial details and cost is higher more.

Summary of the invention

The purpose of this utility model is the deficiency that overcomes above background technology, provides a kind of external electrode to connect simple, wire fixation and technique is made piezoelectric jacquard jacquard attachment simple and convenient, the Jacquard longer service life.

The technical solution of the utility model is: a kind of piezoelectric jacquard jacquard attachment of warp knitting machine, comprise pedestal, a plurality of selection piece, connect guard shield, flexible flat cable bundle, U-shaped, spring, screw etc., pedestal is comprised of a plurality of front teeth groove, rear U-shaped groove and dovetail groove etc., selection piece is comprised of inverting element bimorph, bayonet socket cover and sley point etc., and the flexible flat cable bundle is comprised of plug, many flexible flat wires and braiding cover etc.

The front teeth groove of pedestal is used for the swing displacement of restriction selection piece, can design according to the actual requirements; Rear U-shaped groove is used for fixing selection piece, as the bare terminal end of selection piece, becomes a cantilever beam structure after making selection piece fixing, and U-shaped groove is used for being connected with selection piece the external electrode connection conducting of bimorph simultaneously; Dovetail groove is used for installing fixedly piezoelectric jacquard jacquard attachment.

Each root wire of flexible flat cable bundle has two cable cores, and the braiding cover is tightened into bunch of cables with each flexible flat wire, protects simultaneously it to avoid mechanical damage, and plug is used for connecting control circuit board.

Behind selection piece and the pedestal U-shaped groove be connected adopt insert behind the head that first Copper Foil is wrapped up the bimorph external electrode after the connected mode of U-shaped groove, namely make intermediate link with Copper Foil, flexible flat cable bundle and selection piece are connected connected mode with pedestal be that the center line of flexible flat wire is connected with pedestal by the L-type contiguous block, two cable cores of all the other flexible flat wires are connected with modes such as welding with the interior electrode Copper Foil exit of bimorph, above wire interconnecting piece encapsulation is the form that adopts overall package, with the head of selection piece, the wire tie point, the center line tie point, the flexible flat wire is in the same place with an end cure package of braiding cover.

The utility model can realize that the piezoelectric jacquard jacquard attachment makes in the warp knitting machine of rear application, the selection piece fixation, connect reliable, the connecting portion fixation of flexible flat cable bundle, wire stressed each tie point place that can not be passed to twin lamella and pedestal and flexible flat cable bundle in high-speed motion, prolonged service life.

Description of drawings

Fig. 1: selection piece parcel copper foil structure schematic perspective view.

Fig. 2: selection piece and pedestal and flexible flat cable bundle interconnect schematic perspective view.

Fig. 3: flexible flat cable bundle part schematic perspective view.

Fig. 4: the piezoelectric jacquard jacquard attachment after the embedding removes schematic perspective view behind the plug.

Fig. 5: the piezoelectric jacquard jacquard attachment schematic perspective view after assembling is finished.

Fig. 6: the piezoelectric jacquard jacquard attachment of assembling after finishing removes schematic perspective view (reverse side) behind the plug.

Among the above-mentioned figure: 1. pedestal, 2. selection piece 3. connects guard shield, 4. flexible flat cable bundle, 5.U type piece, 6. spring, 7. screw, 8. bimorph, 9. bayonet socket cover, 10. sley point, 11 Copper Foils, 12 front teeth groove, 13. rear U-shaped groove, 14. dovetail grooves, 15 flexible flat wires, 16. braiding covers, 17. plug, 18. external electrodes, 19. leak preventives, 20, embedding agent, 21. interior electrode Copper Foil exits.

The specific embodiment

Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.

Be applied to the piezoelectric jacquard jacquard attachment of warp knitting machine, concrete structure and connected mode that it adopts are as follows:

Such as Fig. 5, shown in Figure 6: the piezoelectric jacquard jacquard attachment by pedestal 1, a plurality of selection piece 2, connect guard shield 3, flexible flat cable bundle 4, U-shaped 5, spring 6 and screw 7 etc. and form, wherein pedestal 1 is comprised of a plurality of front teeth groove 12, rear U-shaped groove 13 and dovetail groove 14 etc.; Selection piece 2 is comprised of inverting element bimorph 8, bayonet socket cover 9, sley point 10; Flexible flat cable bundle 4 is comprised of plug 17, many flexible flat wires 15 and braiding cover 16.

Such as Fig. 2, Fig. 4, Fig. 5, shown in Figure 6: the front teeth groove 12 of pedestal is used for the swing displacement of restriction selection piece, can design according to the actual requirements; Rear U-shaped groove 13 is used for fixing selection piece 2, as the bare terminal end of selection piece 2, becomes a cantilever beam structure after making selection piece 2 fixing, simultaneously after U-shaped groove 13 be used for linking to each other with the external electrode 18 of the bimorph 8 of selection piece 2; 3 screws are arranged on the pedestal, and two are used for being fixedly connected with 3, one of guard shields and are used for fixed L type contiguous block; Dovetail groove 14 is used for installing fixedly piezoelectric jacquard jacquard attachment, dovetail groove 14 sticks into sley bar, by connecting guard shield 3, it enters the other end draw-in groove of sley bar to make U with screw 7 U-shaped 5 of adjusting, can realize that the installation of piezoelectric jacquard jacquard attachment fixes, wear a spring 6 in the screw, be convenient to get U-shaped resilience disengagement sley bar draw-in groove when changing Jacquard.

Such as Fig. 2, shown in Figure 3: in each root flexible flat wire 15 of flexible flat cable bundle 4 two cable cores are arranged; cable core links to each other with the interior electrode Copper Foil exit 21 of bimorph 8 respectively; flexible flat cable bundle 4 has a center line; link to each other with pedestal 1 by the L-type contiguous block; the external electrode 18 that further is communicated with bimorph 8; braiding cover 16 is tightened into bunch of cables with each flexible flat wire 15, protects simultaneously it to avoid mechanical damage.

Such as Fig. 5, shown in Figure 6: connect guard shield 3 and be used for connecting U-shaped 5, the effect of protection embedding part and flexible flat cable bundle 4 is arranged simultaneously.

Such as Fig. 1, Fig. 2, shown in Figure 4: selection piece 2 is the head that first Copper Foil 11 is wrapped in the external electrode 18 of each bimorph 8 with the connected mode of pedestal 1, the width coupling of the size of Copper Foil 11 and rear U-lag 13, parcel can adopt semi-surrounding or full structure of surrounding, the present embodiment adopts the structure of semi-surrounding, snap in rear U-shaped groove 13 behind the parcel, the thickness of Copper Foil 11 is enough to guarantee that Copper Foil 11 contacts with pedestal 1 tight face with external electrode 18, to realize complete conducting, this connected mode is than using electric slurry such as conducting resinl, solder(ing) pastes etc. connect more easy, the steps such as oven dry have been omitted, and cost is lower, when snapping in, make perforate on the bayonet socket cover 9 of each selection piece 2 or pin hole or other positions of sley point 10 be fixed on same level and extension position with modes such as perforation, make the length of each selection piece 2 and highly consistent, bayonet socket cover 9 and sley point 10 proper alignment guarantee the uniformity when a plurality of piezoelectric jacquard jacquard attachments are installed and changed like this; Connect complete, in rear U-shaped groove 13 U-shaped, fill out embedding agent 20 or other megohmite insulants, prevent the oxidation of external electrode exposed part, close embedding agent 20 sides outside rear U-shaped groove 13 bottoms and on the selection piece of U-shaped top, be covered with one deck leak preventive 19, the composition of leak preventive 19 is silicon rubber etc., so that embedding agent 20 can not leak to the selection piece of the other end of rear U-shaped groove 13 during embedding.

Such as Fig. 2, shown in Figure 4: flexible flat cable bundle 4 and being connected that selection piece 2 is connected with pedestal, two cable cores of each flexible flat wire 15 couple together with the modes such as interior electrode Copper Foil exit 21 usefulness welding of corresponding each bimorph 8, center line is connected with the L-type contiguous block with modes such as welding, the L-type contiguous block has through hole, is fixed by screws on the pedestal 1.Connect the complete rear form of overall package of taking with embedding agent 20 head, flexible flat wire 15 tie points, center line tie point and the flexible flat wire 15 of each selection piece 2 are in the same place with an end cure package of braiding cover 16, increased the reliability of wire interconnecting piece.

Such as Fig. 5, shown in Figure 6: embedding is complete, sets up to connect guard shield, U-shaped, spring, screw, prick band connecting guard shield, has just consisted of the piezoelectric jacquard jacquard attachment of warp knitting machine.

The utility model, the simple and practical structural design that adopts Copper Foil to connect, manufacture craft is simple and feasible, and cost reduces greatly; Adopt the form of whole embedding, make wire connecting ends solid and reliable, wire stressed each tie point place that can not be passed to the flexible flat wire in high-speed motion, wire improves service life greatly, through long-time burn-in test, the work of piezoelectric jacquard jacquard attachment is still reliable and stable.

Claims (1)

1. the piezoelectric jacquard jacquard attachment of a warp knitting machine, comprise pedestal (1), a plurality of selection pieces (2), connect guard shield (3), flexible flat cable bundle (4), U-shaped (5), spring (6), screw (7) etc., pedestal (1) is by a plurality of front teeth groove (12), the compositions such as rear U-shaped groove (13) and dovetail groove (14), selection piece (2) is by inverting element bimorph (8), bayonet socket cover (9), sley point (10) forms, flexible flat cable bundle (4) is by plug (17), many flexible flat wires (15), form with braiding cover (16), it is characterized in that: selection piece (2) and being connected of pedestal (1) be adopt insert behind external electrode (18) head that first Copper Foil (11) is wrapped up each bimorph (8) after the contact connected mode of U-shaped groove (13), Copper Foil (11) is made both attachments, flexible flat cable bundle (4) adopts the overall package mode with the connecting portion encapsulation of selection piece (2) and pedestal (1), with the head of embedding agent (20) with each selection piece (2), the wire tie point, the link cure package of center line tie point and flexible flat wire (15) and braiding cover (16) together.

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