CN211446110U

CN211446110U - Piezoelectric jacquard device of warp knitting machine

Info

Publication number: CN211446110U
Application number: CN201921970773.7U
Authority: CN
Inventors: 刘相果; 其他发明人请求不公开姓名
Original assignee: Chongqing Zhonglei Science & Technology Co ltd
Current assignee: Chongqing Zhonglei Science & Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-08
Anticipated expiration: 2029-11-15

Abstract

A piezoelectric jacquard device of a warp knitting machine comprises a metal base I, a rear tooth insulating gasket, front conductive adhesive, a bottom transfer circuit board, a bottom insulating gasket, a zero electrode screw, a positive electrode outgoing line, a positive electrode metal gear shaping, a plurality of bimorphs, a bimorph insulating sleeve, rear conductive adhesive, fixing adhesive, pouring sealant, a driving circuit board, a driving board locking screw, a shield fixing screw, an asymmetric structure shield, a locking screw and a locking iron sheet. The utility model discloses a tricot machine piezoelectricity merchant card jacquard device has simplified the drive mode of piezoelectricity merchant card, has simplified drive circuit, reduces piezoelectricity merchant card jacquard device's height, has improved piezoelectricity merchant card jacquard device's commonality, improves bimorph's easy maintenance nature greatly.

Description

Piezoelectric jacquard device of warp knitting machine

Technical Field

The utility model belongs to the textile machinery field, in particular to warp knitting machine piezoelectricity merchant card jacquard device.

Background

In the warp knitting machine textile industry, at present, a common method of a computer jacquard machine is to weave by using a piezoelectric jacquard device controlled by a computer, and along with increasingly complex pattern, the number of jacquard cards used by the warp knitting machine is increased, and the number of control circuits is also increased. The patentee proposed in

patent documents

1 and 2 proposes a technique in which the relay circuit board is located above the bimorph. The installation mode of the piezoelectric jacquard device generally adopts a face-to-face installation mode; the compactness of the installation size is seriously influenced by the height size of the adapter circuit board and the shield, so that a plurality of machine types cannot be installed. In addition, since the rear tooth of patent document 1 is made of a plastic member, the bimorph is a fragile member, and this structure is difficult to maintain.

Patent document 1: chinese utility model patent 201821837706.3.

Patent document 2: chinese utility model patent 201822003916.9.

Disclosure of Invention

The utility model aims at overcoming the not enough of above background art, on the basis of the electric principle of connection of patent document 1, provide a new connection structure, reduce piezoelectricity merchant card jacquard device's height, improved piezoelectricity merchant card jacquard device's commonality, improve the easy maintenance nature of bimorph greatly.

The technical scheme of the utility model is that: the utility model provides a tricot machine piezoelectricity merchant card jacquard device, including metal base one, back tooth insulating pad, anterior conducting resin, bottom switching circuit board, bottom insulating pad, zero electrode screw, positive electrode lead-out wire, positive electrode metal gear shaping, multi-disc bimorph, bimorph insulating boot, rear portion conducting resin, the fixed glue, the casting glue, a drive circuit board, drive plate locking screw, guard shield fixing screw, asymmetric structure guard shield, locking screw, the locking iron sheet, bottom switching circuit board includes first row of welding contact pin, positive electrode solder joint two, the platoon, the circuit board, drive circuit board includes drive circuit, output row's female, the input interface, metal base one contains preceding tooth, back tooth fixed wall, anterior installation vertical slot, the cross slot, rear portion breach groove, characterized by: each bimorph is provided with three electrode leading-out ends, wherein the polarization mode of odd bimorphs is negative, positive and negative, and the polarization mode of even bimorphs is positive, negative and positive; the outer electrodes of the outermost bimorphs are all zero electrode leading-out ends, the opposite outer electrodes of the two adjacent bimorphs share one positive electrode leading-out end or zero electrode leading-out end, the electrode arrangement sequence of the outer electrode leading-out ends of the plurality of bimorphs is zero plus zero … … plus zero, and the middle electrode of the bimorph is a control input end; all 'zero' ends of the bimorph are connected together through front conductive adhesive in a transverse groove of the rear tooth fixing wall, and are connected with the bottom switching circuit board through a zero electrode screw, and the zero electrode leading-out end communication is realized by utilizing the conductivity of the first metal base; all 'positive' ends of the bimorph are connected together through the rear conductive adhesive at the root of the positive electrode metal gear shaping, and are welded and conducted with a first positive electrode welding point on the positive electrode metal gear shaping and a second positive electrode welding point on the bottom adapter circuit board through a positive electrode lead-out wire, so that the connection of the positive electrode lead-out ends is realized; the number of the first row of welding pins on the bottom transfer circuit board is the same as that of the bimorphs, and the first row of welding pins are connected with copper foils on two sides of a middle base layer on the bimorphs through welding points to realize the communication of control input ends; the row pins on the bottom switching circuit board are communicated with the output row bus on the driving circuit board, the number of the row pins is +2 of the number of the bimorphs, one of the bimorphs is a zero electrode leading-out end, the other one is a positive electrode leading-out end, and the rest are control input ends.

The utility model discloses a tricot machine piezoelectricity merchant card jacquard device has simplified the drive mode of piezoelectricity merchant card, has simplified drive circuit, reduces piezoelectricity merchant card jacquard device's height, has improved piezoelectricity merchant card jacquard device's commonality, improves bimorph's easy maintenance nature greatly.

Drawings

FIG. 1 is a schematic view of a layered structure of a bimorph of the present invention

Fig. 2 is a schematic view of the principle of the driving mode of the bimorph of the present invention

FIG. 3 is a schematic view of a metal base I

FIG. 4 is a schematic view of the bimorph and bimorph insulator assembly

FIG. 5 is a schematic view of a rear tooth insulating spacer structure

FIG. 6 is a schematic view of a structure of a positive electrode metal gear shaping

FIG. 7 is a schematic view of a bottom adapting circuit board

FIG. 8 is a schematic view of a driving circuit board

FIG. 9 is a schematic view of the structure of the combined mounting of the metal base, bimorph and bottom circuit board

FIG. 10 structural elevation view of the combined mounting of the metal base, bimorph, bottom circuit board

FIG. 11 is an enlarged partial cross-sectional view A of FIG. 10

FIG. 12 assembled exploded view of piezoelectric jacquard weave device with metal base-structure

FIG. 13 is a schematic view of a piezoelectric jacquard device with a metal base structure

FIG. 14 is a schematic view of a metal base

FIG. 15 is a schematic view of a second driving circuit board

FIG. 16 is an assembled exploded view of a piezoelectric jacquard device with a metal base structure

FIG. 17 schematic diagram of piezoelectric jacquard device with metal base structure II

FIG. 18 is a schematic diagram of the electrical connection principle of a plurality of metal base two-structure piezoelectric jacquard devices of a warp knitting machine

FIG. 19 is a schematic view of a metal base with three structures

FIG. 20 is a schematic view of a piezoelectric jacquard device with a three-structure metal base

FIG. 21 is a schematic view of a metal base with four structures

FIG. 22 is a schematic view of an assembly of a piezoelectric jacquard device with a metal base four-structure

In the above figures: 1. an intermediate base layer; 2. piezoelectric ceramic plates; 3. an inner electrode layer; 4. an outer electrode layer; 5. a positive electrode lead-out terminal; 6. a control input; 7. copper foil; 8. a bimorph; 9. a bimorph insulating sleeve; 10. a rear tooth insulating spacer; 11. positive electrode metal gear shaping; 12. the bottom is connected with the circuit board in a switching way; 13. a first row of welding pins; 14. a second positive electrode welding spot; 15. arranging needles; 16. a circuit board; 17. a positive electrode lead wire; 18. a drive circuit board; 19. a drive circuit; 20. outputting a mother row; 21. an input interface; 22. a bottom insulating spacer; 23. a first metal base; 24. front teeth; 25. a rear tooth fixing wall; 26. the front part is provided with a longitudinal groove; 27. a transverse groove; 28. a rear notched groove; 29. a zero electrode screw; 30. a zero electrode lead-out terminal; 31. a front conductive adhesive; 32. a rear conductive adhesive; 33. fixing glue; 34. pouring a sealant; 35. a drive circuit board locking screw; 36. an asymmetric structural shield; 37. a shroud fixing screw; 38. locking the screw; 39. locking the iron sheet; 40. a first symmetrical shield; 41 driving a second circuit board; 42. an input serial connection line interface; 43. an output serial connection line interface; 44. a serial connection line; 45. a second metal base; 46. pouring a second sealant; 47. locking a second iron sheet; 48. a third metal base; 49. locking the buckle; 50. a second symmetrical shield; 51. a fourth metal base; 52. a third symmetrical shield; 53. a welding point; 54. a first positive electrode welding point; 55. and a second driving circuit.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1

The metal base one 23 is provided with 16 pieces of bimorphs 8 as an example. Each bimorph 8 is provided with three electrode leading-out ends, wherein the polarization mode of the odd bimorph 8 is negative, positive, negative and positive, and the polarization mode of the even bimorph 8 is positive, negative and positive; the outer electrodes of the outermost bimorphs 8 are all zero electrode leading-out ends 30, the two opposite outer electrodes of the two adjacent bimorphs share one positive electrode leading-out end 5 or zero electrode leading-out end 30, the electrode arrangement sequence of the outer electrode leading-out ends of the plurality of bimorphs 8 is zero plus zero … … plus zero, and the middle electrode of the bimorph 8 is a control input end 6. The bimorph 8 is schematically shown in fig. 1. The specific operation principle (fig. 2) is the same as that of patent document 1.

As shown in fig. 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13. The utility model discloses a tricot machine piezoelectricity merchant card jacquard device, including metal base 23, back tooth insulating pad 10, anterior conducting resin 31, bottom switching circuit board 12, bottom insulating pad 22, zero electrode screw 29, positive electrode lead-out wire 17, positive electrode metal gear shaping 11, multi-disc bimorph 8, bimorph insulating boot 9, rear portion conducting resin 32, fixed glue 33, casting glue 34, driving circuit board 18, drive plate locking screw 35, guard shield fixing screw 37, asymmetric structure guard shield 36, locking screw 38, locking iron sheet 39. The bottom adapter circuit board 12 comprises a first row of welding pins 13, a second positive electrode welding point 14, a row of pins 15 and a circuit board 16. The driving circuit board 18 includes a driving circuit 19, an output bus 20, and an input interface 21. The first metal base 23 comprises a front tooth 24, a rear tooth fixing wall 25, a front mounting longitudinal groove 26, a transverse groove 27 and a rear notched groove 28.

The 16 bimorphs 8 are insulated by the bimorph insulating sleeve 9 and then are arranged in the front mounting longitudinal groove 26, the front conductive adhesive 31 is dotted into the transverse groove 27 of the rear tooth fixing wall 25 to connect all the 'zero' ends of the bimorphs 8 together, and the zero electrode leading-out ends are connected with the bottom switching circuit board 12 through the zero electrode screw 29 to realize the zero electrode leading-out end communication. The rear tooth insulating gasket 10 is firstly installed in a groove formed after the rear notched groove 28 of the first metal base 23 and the bimorph 8 are installed, then the positive electrode metal gear 11 is installed in a groove formed after the rear notched groove 28 and the bimorph 8 are installed, the rear conductive adhesive 32 is dotted into the root of the positive electrode metal gear 11 to connect all positive ends of the bimorph 8 together, and the positive electrode lead wire 17 is welded and conducted with the first positive electrode welding point 54 on the positive electrode metal gear 11 and the second positive electrode welding point 14 on the bottom adapter circuit board 12, so that the communication of the positive electrode lead ends is realized. The number of the first row of welding pins 13 on the bottom adapter circuit board 12 is the same as that of the bimorphs 8, and the first row of welding pins 13 are connected with the copper foils 7 on two sides of the middle base layer 1 on the bimorphs 8 through welding points 53, so that the communication of the control input end is realized. The pins 15 on the bottom adapter circuit board 12 are communicated with the output row bus 20 on the driving circuit board 18, the number of the pins is +2 of the number of the bimorphs, one of the pins is a zero electrode leading-out terminal, the other pin is a positive electrode leading-out terminal, and the others are control input terminals.

According to the 16-wafer bimorph design, the number of the row pins 15 is 18, and the number of the first row of soldering pins 13 is 16.

The assembly process of the device is as follows. Firstly, insulating the bimorph 8 by using a bimorph insulating sleeve 9, then placing the bimorph 8 after the insulating treatment in a front mounting longitudinal groove 26 of a first metal base 23, mounting a rear tooth insulating gasket 10 in a groove formed after the rear notch groove 28 of the first metal base 23 and the bimorph 8 are mounted, and then transitionally fitting the groove with a positive electrode metal gear 11. And a front conductive adhesive 31 is dotted into the transverse groove 27 of the rear tooth fixing wall 25, a rear conductive adhesive 32 is dotted into the root part of the positive electrode metal gear shaping 11 and is cured, and then a fixing adhesive 33 is dotted into all the transverse grooves 27 and is cured, wherein the fixing adhesive 33 can be epoxy adhesive or UV adhesive. And (3) putting the bottom insulating gasket 22, putting the bottom adapter circuit board 12 in the bottom insulating gasket, locking the bottom adapter circuit board on the first metal base 23 by using a zero electrode screw 29, and connecting the first row of welding pins 13 on the bottom adapter circuit board 12 with the copper foils 7 on two sides of the middle base layer 1 of the bimorph 8 through welding points 53. And then, after the positive electrode lead wire 17 is welded and conducted with the first positive electrode welding point 54 on the positive electrode metal gear shaping 11 and the second positive electrode welding point 14 on the bottom adapter circuit board 12, the pouring sealant is adopted to carry out insulation sealing treatment on all the positive electrode lead wire 17, the positive electrode metal gear shaping 11, the tail part of the bimorph 8 and the first row of welding pins 13, and the row pins 15 on the bottom adapter circuit board 12 are exposed. The contact pins 15 on the bottom adapter circuit board 12 are mutually connected with the output row bus 20 on the driving circuit board 18, and the driving circuit board locking screws 35 are used for installing an asymmetric structure shield 36, a shield fixing screw 37, a locking screw 38 and a locking iron sheet 39, so that the piezoelectric jacquard device of the warp knitting machine is formed.

Example 2

The design is carried out by taking 32-piece bimorph as an example, and the design schematic diagram of the second metal base 45 is shown in fig. 14. Two bottom plate conversion circuit boards 12, two positive electrode lead wires 17, and two positive electrode metal gear shaping pieces 11 of example 1 were used. The second driving circuit board 41 has two output buses 20, an input serial link interface 42, an output serial link interface 43, and a second driving circuit 55 (shown in fig. 15). The processing process of the bimorph 8, the bottom plate conversion circuit board 12, the positive electrode lead wire 17, the positive electrode metal gear shaping 11 combination and the conductive adhesive is the same as that of the embodiment 1, then the second potting adhesive 46 is adopted for insulation processing, the second driving circuit board 41 is installed and locked, and the first symmetrical structure shield 40, the shield fixing screw 37, the locking screw 38 and the second locking iron sheet 47 are assembled to form the piezoelectric jacquard device of the warp knitting machine (shown in fig. 16 and 17).

The schematic electrical connection diagram of the piezoelectric jacquard devices of the warp knitting machines with the structure is shown in fig. 18, and the serial connection line 44 is adopted to connect the input serial connection line interface 42 and the output serial connection line interface 43 of the second driving circuit board 41 on the piezoelectric jacquard devices of two adjacent warp knitting machines, so that the whole body is electrically conducted.

Example 3

The structural design of the first metal base is changed to form a third metal base 48 (fig. 19), and the overall structural diagram of the third metal base is shown in fig. 20. The other structure may be any one of the structures of embodiments 1 to 2.

Example 4

The structural design of the first metal base is changed to form a fourth metal base 51 (fig. 21), and the overall structural diagram of the fourth metal base is shown in fig. 22. The other structure may be any one of the structures of embodiments 1 to 2.

The utility model discloses a tricot machine piezoelectricity merchant card jacquard device has simplified the drive mode of piezoelectricity merchant card, has simplified drive circuit, reduces piezoelectricity merchant card jacquard device's height, has improved piezoelectricity merchant card jacquard device's commonality, improves bimorph's easy maintenance nature greatly, has reduced the cost of piezoelectricity merchant card jacquard system.

Claims

1. A piezoelectric jacquard device of a warp knitting machine comprises a metal base I (23), a rear tooth insulating gasket (10), front conductive adhesive (31), a bottom transfer circuit board (12), a bottom insulating gasket (22), zero-electrode screws (29), a positive electrode outgoing line (17), positive electrode metal gear shaping (11), a plurality of bimorphs (8), a bimorph insulating sleeve (9), rear conductive adhesive (32), fixing adhesive (33), pouring sealant (34), a driving circuit board (18), driving board locking screws (35), shield fixing screws (37), an asymmetric structure shield (36), locking screws (38) and locking iron sheets (39), wherein the bottom transfer circuit board (12) comprises a first row of welding pins (13), a second positive electrode welding point (14), a pin header (15) and a circuit board (16), and the driving circuit board (18) comprises a driving circuit (19), Female (20), input interface (21) are arranged in output, and tooth fixed wall (25), anterior installation longitudinal groove (26), horizontal groove (27), rear portion breach groove (28) are fixed to metal base one (23) contain before tooth (24), back tooth, characterized by: each bimorph (8) is provided with three electrode leading-out ends, wherein the polarization mode of odd bimorphs (8) is negative, positive and negative, and the polarization mode of even bimorphs (8) is positive, negative and positive; the outer electrodes of the outermost bimorphs (8) are all zero electrode leading-out ends (30), the opposite outer electrodes of the two adjacent bimorphs (8) share one positive electrode leading-out end (5) or one zero electrode leading-out end (30), the electrode arrangement sequence of the outer electrode leading-out ends of the plurality of bimorphs (8) is zero plus zero … … plus zero, and the middle electrode of the bimorph (8) is a control input end (6); all 'zero' ends of the bimorph (8) are connected together through a front conductive adhesive (31) in a transverse groove (27) of the rear tooth fixing wall (25), and are connected with the bottom adapter circuit board (12) through a zero electrode screw (29), and the zero electrode leading-out end communication is realized by utilizing the conductivity of the metal base I (23); all 'positive' ends of the bimorph (8) are connected together through a rear conductive adhesive (32) at the root of the positive electrode metal gear shaping (11), and are welded and conducted with a first positive electrode welding point (54) on the positive electrode metal gear shaping (11) and a second positive electrode welding point (14) on the bottom adapter circuit board (12) through a positive electrode lead-out wire (17), so that the connection of the leading-out ends of the positive electrodes is realized; the number of the first row of welding pins (13) on the bottom transfer circuit board (12) is the same as that of the bimorphs (8), and the first row of welding pins (13) are connected with copper foils (7) on two sides of a middle base layer (1) on the bimorphs (8) through welding points (53) to realize the communication of control input ends; the row pins (15) on the bottom switching circuit board (12) are communicated with an output row bus (20) on the driving circuit board (18), the number of the row pins is +2 of the number of the bimorphs (8), one of the row pins is a zero electrode leading-out end, the other row pins is a positive electrode leading-out end, and the rest row pins are control input ends.