CN212477056U

CN212477056U - Warp knitting machine piezoelectricity merchant blocks control structure

Info

Publication number: CN212477056U
Application number: CN202020863998.9U
Authority: CN
Inventors: 刘相果; 彭靓; 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: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-05
Anticipated expiration: 2030-05-21

Abstract

A piezoelectric jacquard control structure of a warp knitting machine comprises a human-computer interface, a main power supply, a main controller, a plurality of repeaters, a jacquard driving power supply and a plurality of piezoelectric jacquard, the piezoelectric jacquard comprises a base, a rear tooth insulating gasket, front conductive adhesive, a bottom adapter circuit board, a bottom insulating gasket, a zero electrode screw, a positive electrode metal gear shaping, a bimorph, an insulating sleeve, rear conductive adhesive, fixing adhesive, pouring sealant, a driving circuit board, a driving board locking screw, a shield fixing screw, a symmetrical structure shield, a locking screw and a locking iron sheet, wherein the bottom adapter circuit board comprises a first row of welding contact pins, a positive electrode welding contact pin, a bus bar and a circuit board, the driving circuit board comprises a driving circuit, an output bus bar, an input optical fiber interface, an output optical fiber interface, an optical fiber signal processing CPU (central processing unit), a high-voltage positive electrode input end, a low-voltage positive electrode input end and a zero. The utility model discloses inside integrated piezoelectricity merchant card with drive circuit, keep apart power cord and signal line completely, solve signal interference.

Description

Warp knitting machine piezoelectricity merchant blocks control structure

Technical Field

The utility model belongs to the textile machine field, in particular to tricot machine piezoelectricity merchant blocks control structure.

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. Patent document 1 proposes a piezoelectric jacquard electrical connection structure for a warp knitting machine, which has the following problems: the structure has the advantages that the bonding of the plastic rear teeth is easy to fall off; in addition, only one locking screw is arranged, so that the eccentric needle is locked and the installation is difficult; the high-voltage line and the signal line are mixed together, which easily causes signal interference, so that the problem of losing jacquard signals occurs.

Patent document 2 proposes a piezoelectric jacquard device for a warp knitting machine, which can solve the problem of piezoelectric jacquard locking by using a 32-piece bimorph design, but has the following problems: the problem of mixed input of a signal line and a high-voltage power line is adopted, so that signal interference is easily caused; the embedment pollutes and leads to insulating inefficacy easily taking place for the input row needle on the bottom switching circuit board, and positive electrode metal gear shaping is not good at upper portion seal in addition, causes the electric leakage phenomenon easily, the mounting height of the piezoelectricity merchant card of raising simultaneously.

Patent document 1: chinese utility model patent 201920945305.8.

Patent document 2: chinese utility model patent 201921970773.7.

Disclosure of Invention

The utility model aims at overcoming the not enough of above background art, on the basis of patent document 2, provide a tricot machine piezoelectricity merchant card control structure, cancel the flexible flat cable pencil on every piezoelectricity merchant card, and fuse drive circuit inside the piezoelectricity merchant card, through modules such as human-computer interface, the master controller, the repeater, the main power supply, merchant card drive power supply, be connected power cord and signal line through parallelly connected or the mode of establishing ties or bus and every piezoelectricity merchant card, and then control every piezoelectricity merchant card.

The technical scheme of the utility model is that: a piezoelectric jacquard control structure of a warp knitting machine comprises a human-computer interface, a main power supply, a main controller, a plurality of repeaters, a jacquard driving power supply and a plurality of piezoelectric jacquard, wherein the piezoelectric jacquard comprises a base, 2 rear tooth insulating gaskets, front conductive adhesive, a bottom switching circuit board, a bottom insulating gasket, a zero electrode screw, 2 positive electrode metal gear inserts, 32 bimorphs, an insulating sleeve, rear conductive adhesive, fixing adhesive, potting adhesive, a driving circuit board, a driving board locking screw, a shield fixing screw, a symmetrical structure shield, a locking screw and a locking iron sheet, the bottom switching circuit board comprises a first row of welding contact pins, positive electrode welding contact pins, a bus bar and a circuit board, the driving circuit board comprises a driving circuit, an output pin bar, an input optical fiber interface, an output optical fiber interface, an optical fiber signal processing CPU, a high-voltage positive electrode input end, a low-voltage positive electrode input end, zero voltage input end, characterized by: the first row of welding pins are connected with copper foils on two sides of a middle base layer on the bimorph through a first welding point, the positive electrode metal gear is connected with the positive electrode welding pins through a second welding point, and a bus bar on the bottom transfer circuit board is mutually connected with an output bus bar on the driving circuit board to realize conduction; the input optical fiber interfaces on the driving circuit boards are connected with the repeater in a serial cascade mode, the output optical fiber interfaces and the input optical fiber interfaces between the adjacent driving circuit boards are connected through optical fiber connecting wires, and the high-voltage positive electrode input end, the low-voltage positive electrode input end and the zero-voltage input end of each driving circuit board are connected with the jacquard driving power supply in a parallel mode through driving power wires.

A piezoelectric jacquard control structure of a warp knitting machine is characterized in that the voltage range of a high-voltage positive electrode input end of a driving circuit board is +100-220V, and the voltage range of a low-voltage positive electrode input end of the driving circuit board is + 5-24V.

The utility model discloses a tricot machine piezoelectricity merchant card control structure has simplified the drive structure and the drive circuit of piezoelectricity merchant card to fuse drive circuit inside the piezoelectricity merchant card, part power cord and signal line completely and realize keeping apart, solved the signal interference problem. In addition, the universality of the piezoelectric jacquard and the consistency of the mounting structure are kept, and the maintenance convenience of the piezoelectric jacquard is greatly improved.

Drawings

FIG. 1 is a schematic view of a base structure

FIG. 2 is a schematic view of a bimorph structure

FIG. 3 is a schematic view of a rear tooth insulating spacer

FIG. 4 is a schematic diagram of a positive electrode metal gear shaping structure

FIG. 5 is a schematic view of a bottom adapting circuit board

FIG. 6 is a schematic view of a driving circuit board

FIG. 7 is a schematic diagram of an optical fiber connection line

FIG. 8 is a schematic diagram of a driving power line structure

FIG. 9 is a schematic view of the mounting structure between the bimorph, the base, and the bottom relay board

FIG. 10 is a schematic view of the structure of part A in FIG. 9

FIG. 11 is a schematic view of the front conductive adhesive portion of portion A in FIG. 9

FIG. 12 is a schematic view of the structure of the rear conductive adhesive portion of portion A in FIG. 9

FIG. 13 is a schematic diagram of the overall explosion structure of a piezoelectric jacquard

FIG. 14 is a schematic diagram of the overall structure of a piezoelectric jacquard

Fig. 15 shows a block diagram of a piezoelectric jacquard control structure of the present invention

In the above figures: 1. a base; 2. front teeth; 3. rear teeth; 4. the front part is provided with a longitudinal groove; 5. a transverse groove; 6. a rear notched groove; 7. a bimorph; 8. an insulating sleeve; 9. copper foil; 10. a rear tooth insulating spacer; 11. positive electrode metal gear shaping; 12. a bottom insulating spacer; 13. the bottom is connected with the circuit board in a switching way; 14. a first row of welding pins; 15. a pin is welded on the positive electrode; 16. mother arrangement; 17. a circuit board; 18. a drive circuit board; 19. a drive circuit; 20. outputting the pin header; 21. an input fiber optic interface; 22. an optical fiber signal processing CPU; 23. a high voltage positive electrode input; 24. a low voltage positive electrode input; 25. a zero voltage input terminal; 26. an output fiber optic interface; 27. an optical fiber connection line; 28. an optical fiber signal line connector; 29. a driving power supply line; 30. a drive power line connector; 31. fixing glue; 32. a front conductive adhesive; 33. a rear conductive adhesive; 34. pouring a sealant; 35. a drive plate locking screw; 36. a symmetrical structure shield; 37. a shroud fixing screw; 38. locking the iron sheet; 39. locking the screw; 40. a first welding point; 41. a second welding point; 42. a zero electrode screw.

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.

As shown in fig. 15: a piezoelectric jacquard control structure of a warp knitting machine mainly comprises a piezoelectric jacquard control structure of the warp knitting machine, and the piezoelectric jacquard control structure comprises a human-computer interface, a main power supply, a main controller, a plurality of repeaters, a jacquard driving power supply and a plurality of piezoelectric jacquard units for interactive control, so that the motion control of the piezoelectric jacquard units is realized.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, and 14. The piezoelectric jacquard comprises a base 1, 2 rear tooth insulating gaskets 10, a front conductive adhesive 32, a bottom adapter circuit board 13, a bottom insulating gasket 12, a zero

electrode screw

42, 2 positive electrode metal gear shaping 11, 32 bimorphs 7, an insulating sleeve 8, a rear conductive adhesive 33, a fixing adhesive 31, a pouring sealant 34, a driving circuit board 18, a driving board locking screw 35, a shield fixing screw 37, a symmetrical structure shield 36, a locking screw 39 and a locking iron sheet 38. The bottom adapter circuit board 13 comprises a first row of welding pins 14, a positive electrode welding pin 15, a row of bus bars 16 and a circuit board 17; the driving circuit board 18 includes a driving circuit 19, an output pin header 20, an input optical fiber interface 21, an output optical fiber interface 26, an optical fiber signal processing CPU22, a high-voltage positive electrode input terminal 23, a low-voltage positive electrode input terminal 24, and a zero-voltage input terminal 25. In addition, the positive electrode metal gear shaping and the rear gear insulating gasket can also adopt an integral structure form.

The first row of welding pins 14 are connected with copper foils 9 on two sides of a middle base layer on the bimorph 7 through a first welding point 40, the positive electrode metal gear 11 is connected with the positive electrode welding pin 15 through a second welding point 41, and a row of bus bars 16 on the bottom transfer circuit board 13 are mutually connected with an output row of pins 20 on the driving circuit board 18 to realize conduction; the input optical fiber interface 21 on the driving circuit board 18 is connected with the repeater in a serial cascade mode, the output optical fiber interface 26 and the input optical fiber interface 21 between the adjacent driving circuit boards 18 are connected through an optical fiber connecting wire 27, and the high-voltage positive electrode input end 23, the low-voltage positive electrode input end 24 and the zero-voltage input end 25 of the driving circuit board 18 are connected with the jacquard driving power supply in parallel through a driving power wire 29.

The assembly process of the device is as follows (see fig. 9, 10, 11, 12, 13, 14). Firstly, the bimorph 7 is insulated by an insulating sleeve 8 and then placed in the front mounting longitudinal groove 4 of the base 1, a rear tooth insulating gasket 10 is mounted in a groove formed after the rear notch groove 6 and the bimorph 7 are mounted, and then a positive electrode metal gear 11 is mounted in the groove in a transition fit mode. Front conductive adhesive 32 is dotted in the transverse grooves 5 of the odd-numbered rear teeth 3, rear conductive adhesive 33 is dotted at the root parts of the positive electrode metal gear teeth 11 and is cured, and then fixing adhesive 31 is dotted in all the transverse grooves 5 and is cured, wherein the fixing adhesive 31 can be epoxy adhesive or UV adhesive. The bottom insulating spacer 12 is placed, the bottom adapter circuit board 13 is mounted and locked on the base 1 by the zero electrode screw 42, and the first row of soldering pins 14 on the bottom adapter circuit board 13 is connected with the copper foil 9 on the bimorph 7 through the first soldering point 40. After the positive electrode metal gear shaping 11 and the positive electrode welding pin 15 are welded and conducted through the second welding point 41, the pouring sealant 34 is adopted to carry out insulation sealing treatment on the positive electrode metal gear shaping 11, the positive electrode welding pin 15, the tail part of the bimorph 7 and the first row of welding pins 14, and the row of nuts 16 on the bottom adapter circuit board 13 is exposed. The bus bar 16 on the bottom adapter circuit board 13 is connected with the output pin header 20 on the driving circuit board 18, and the driving circuit board locking screw 35, the shield 36 with the symmetrical structure, the shield fixing screw 37, the locking screw 38 and the locking iron sheet 39 are installed to form a piezoelectric jacquard.

As shown in fig. 1. The input optical fiber interface 21 on the driving circuit board is connected with the repeater according to a serial cascade mode, the output optical fiber interface 26 and the input optical fiber interface 21 between two adjacent driving circuit boards are connected through an optical fiber connecting wire 27, the high-voltage positive electrode input end 23, the low-voltage positive electrode input end 24 and the zero-voltage input end 25 of the driving circuit board 18 are connected with the jacquard driving power supply in parallel through a driving power line 29, and further connected with a main controller, a main power supply, the jacquard driving power supply and a man-machine interface, so that the driving control of the integrity motion of the piezoelectric jacquard is realized.

The voltage range of the high-voltage positive electrode input end of the driving circuit board is +100-220V, and the voltage range of the low-voltage positive electrode input end of the driving circuit board is + 5-24V.

Claims

1. The utility model provides a tricot machine piezoelectricity merchant card control structure, including human-computer interface, the main power supply, the master controller, a plurality of repeaters, merchant card drive power supply, multi-disc piezoelectricity merchant card, wherein piezoelectricity merchant card includes base (1), 2 back tooth insulating pad (10), front portion conducting resin (32), bottom switching circuit board (13), bottom insulating pad (12), zero electrode screw (42), 2 positive electrode metal insert teeth (11), 32 bimorph (7), insulating boot (8), rear portion conducting resin (33), fixed glue (31), casting glue (34), drive circuit board (18), drive plate locking screw (35), guard shield fixing screw (37), symmetrical structure guard shield (36), locking screw (39), locking iron sheet (38), bottom switching circuit board (13) include first row of welding contact pin (14), positive electrode welding contact pin (15), Arrange female (16), circuit board (17), drive circuit board (18) are including drive circuit (19), output row needle (20), input optical fiber interface (21), output optical fiber interface (26), optical fiber signal processing CPU (22), high pressure positive electrode input end (23), low pressure positive electrode input end (24), zero voltage input end (25), characterized by: a first row of welding pins (14) are connected with copper foils (9) on two sides of a middle base layer on the bimorph (7) through a welding point I (40), a positive electrode metal gear shaping (11) is connected with a positive electrode welding pin (15) through a welding point II (41), and a row of bus bars (16) on the bottom transfer circuit board (13) are mutually connected with an output row of pins (20) on the driving circuit board (18) to realize conduction; an input optical fiber interface (21) on the driving circuit board (18) is connected with the repeater in a serial cascade mode, an output optical fiber interface (26) and an input optical fiber interface (21) between adjacent driving circuit boards (18) are connected through an optical fiber connecting wire (27), and a high-voltage positive electrode input end (23), a low-voltage positive electrode input end (24), a zero-voltage input end (25) and a jacquard driving power supply of the driving circuit board (18) are connected with each other in parallel through a driving power line (29).

2. The piezoelectric jacquard control structure of warp knitting machine as claimed in claim 1, wherein: the voltage range of the high-voltage positive electrode input end (23) of the driving circuit board (18) is +100-220V, and the voltage range of the low-voltage positive electrode input end (24) is + 5-24V.