CN114657691B

CN114657691B - Wireless piezoceramics jacquard sley bar of easy assembly and warp knitting machine

Info

Publication number: CN114657691B
Application number: CN202111340282.6A
Authority: CN
Inventors: 游雄峰; 吴俊�; 黄玉明; 吴建斌
Original assignee: Fujian Hongyu Electronic Technology Co ltd
Current assignee: Fujian Hongyu Electronic Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2023-06-30
Anticipated expiration: 2041-11-12
Also published as: CN114657691A

Abstract

The utility model discloses a wireless piezoelectric ceramic jacquard guide bar and warp knitting machine easy to assemble, which comprises at least one guide bar base, at least one guide bar bed arranged on the bottom of the guide bar base and at least one clamping piece used for clamping the guide bar base and the guide bar bed together.

Description

Wireless piezoceramics jacquard sley bar of easy assembly and warp knitting machine

Technical Field

The utility model relates to the field of warp knitting machines, in particular to a wireless piezoelectric ceramic jacquard guide bar easy to assemble and a warp knitting machine.

Background

The jacquard guide bar is suitable for making complex patterns on warp knitting fabrics. In the production process, the jacquard guide bar can make integral shogging movement as other common guide bars. At the same time, each yarn guide needle mounted on the jacquard needle block can be driven by the piezoelectric element to do independent additional traversing movement. By the superposition of these two shogging movements, the jacquard bar can offer a richer pattern possibility than the normal bar.

Chinese patent (application number 201721381462.8, publication number CN 207405309U) discloses a warp knitting machine jacquard needle block, comprising a jacquard base and a plurality of piezoelectric ceramic assemblies mounted on the jacquard base, wherein the jacquard base is provided with a needle block and a limiting block, the needle block is provided with a plurality of needle-inserting grooves, the limiting block is provided with a plurality of limiting grooves, each needle-inserting groove of the needle block and each limiting groove of the limiting block are embedded with a piezoelectric ceramic assembly, the upper part of the jacquard base is fixedly connected with a tail clamp, the tail clamp is provided with a perforation, an adjusting screw is arranged in the perforation, the warp knitting machine jacquard needle block also comprises a cushion block, an internal threaded hole matched with the adjusting screw is formed in the cushion block, a first clamping surface is arranged on the cushion block, a clamping space for clamping the jacquard comb is formed between the first clamping surface and the second clamping surface, but the following defects still exist in the practical use process: the existing jacquard guide bar is provided with a guide bar base mounted on a guide bar bed by using a tail clamp, and the tail clamp influences the whole length of the jacquard guide bar, so that the whole length of the jacquard guide bar is overlong.

Disclosure of Invention

The utility model provides a wireless piezoelectric ceramic jacquard guide bar and a warp knitting machine which are easy to assemble, and mainly aims to overcome the defect that the whole length of the jacquard guide bar is overlong due to the fact that a tail clamp is arranged on the existing jacquard guide bar.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a wireless piezoceramics jacquard guide bar of easy assembly, includes at least a guide bar base and at least a guide bar bed, still includes at least one be used for with the guide bar base with the clamping piece that the guide bar bed pressed from both sides tightly together, through setting up the clamping piece will the guide bar base with the guide bar bed is pressed from both sides tightly together, is convenient for the guide bar base with installation and dismantlement between the guide bar bed are installed guide bar base and guide bar bed detachably on the clamping piece for shorten jacquard guide bar overall length.

Further, one side of the clamping piece is wrapped on the guide bar base, and the other side of the clamping piece is wrapped on the guide bar bed, so that the clamping piece, the guide bar base and the guide bar bed are connected into a whole.

Further, the guide bar bed further comprises at least one first assembly part arranged on the rear part of the guide bar base and at least one second assembly part arranged on the rear part of the guide bar bed and matched with the first assembly part, the lower side of the first assembly part and the upper side of the second assembly part are detachably abutted to each other, one end of the clamping piece is wrapped on the upper side of the first assembly part, and the other end of the clamping piece is wrapped on the lower side of the second assembly part, so that the first assembly part and the second assembly part are connected into a whole.

Further, the clamping piece comprises a clamping block for fixing the guide bar base, at least one first locking piece arranged on the rear end of the clamping block and a clamping groove arranged on the front end of the clamping block, the first assembling part and the second assembling part are respectively and detachably embedded in the clamping groove, and the first locking piece is locked on the first assembling part in a mode of penetrating through the clamping groove from the rear part of the clamping block, so that the first assembling part is locked in the clamping groove.

Further, the lower side of the first assembly part and the upper side of the second assembly part are both in a step shape, and the second assembly part is arranged on the first assembly part in a lamination manner, so that the first assembly part pushes the second assembly part to move towards the clamping piece in the locking process.

Further, the guide bar bed comprises a fixing seat arranged below the guide bar base, an assembly groove arranged in the fixing seat and a positioning groove arranged on the rear part of the fixing seat, wherein the assembly groove extends from the left side of the fixing seat to the right side of the fixing seat, and the positioning groove extends towards the direction of the assembly groove and is communicated with the assembly groove.

Further, the guide bar base comprises at least one guide bar bed which is detachably arranged on the bottom of the guide bar base and a clamping part which is arranged on the bottom of the guide bar base, the clamping part extends towards the rear end direction of the guide bar base, and the front end of the guide bar bed is detachably inserted into the clamping part.

Further, the guide bar base is made of carbon fiber materials, the guide bar bed is made of carbon fiber materials, and the clamping piece is made of carbon fiber materials.

Further, the driving circuit comprises at least one power supply VCC, at least one signal INPUT end INPUT, at least one triode Q1 and at least one triode Q2, wherein the first patch double-triode is formed by combining one triode Q1 and one triode Q2, the signal INPUT end INPUT is connected to the INPUT end of the first patch double-triode, the output end of the patch double-triode is electrically connected with the enabling end of the piezoelectric ceramic, and the power supply VCC is used for respectively supplying power to the third tube Q1 and the third tube Q2.

The warp knitting machine comprises at least one wireless piezoelectric ceramic jacquard bar, wherein the wireless piezoelectric ceramic jacquard bar is the wireless piezoelectric ceramic jacquard bar.

Compared with the prior art, the utility model has the beneficial effects that:

the jacquard guide bar clamping device is simple in structure and high in practicability, and through the arrangement of the clamping piece, the guide bar base and the guide bar bed are clamped together by the clamping piece, so that the guide bar base and the guide bar bed can be conveniently installed and detached, and the guide bar base and the guide bar bed are detachably installed on the clamping piece, so that the effect of shortening the whole length of the jacquard guide bar is achieved, the whole length of the jacquard guide bar is shorter, and the effect of dual purposes is achieved.

According to the jacquard guide bar and guide bar bed combined type jacquard guide bar assembly machine, the two sides of the clamping piece are respectively wrapped on the jacquard guide bar and the guide bar bed, so that the clamping piece, the guide bar base and the guide bar bed are connected into a whole, the three parts are assembled into a whole, and the firmness of assembly is improved.

In the utility model, the second assembly part is arranged on the first assembly part in a stacked manner, so that the first assembly part pushes the second assembly part to move towards the clamping groove in the locking process, and the rear end of the guide bar bed is more firmly fixed in the clamping groove.

According to the guide bar bed, the clamping position part is arranged, the front end of the guide bar bed is detachably inserted into the clamping position part, so that a user can conveniently install the guide bar base on the guide bar bed, the front end of the guide bar bed is limited, the guide bar base is tightly attached to the guide bar bed, and the guide bar bed is firmly installed.

In the utility model, the first patch double-triode is formed by combining the triode Q1 and the triode Q2, so that compared with the two triodes Q1 and Q2 which are separately arranged, the first patch double-triode has better consistency in manufacturing, lower cost and better reliability, and the first patch double-triode occupies smaller area, thereby achieving the effect of reducing the whole area of the driving circuit, being beneficial to improving the integration degree of the driving circuit and achieving the effect of achieving two purposes.

According to the utility model, the guide bar base is made of carbon fiber material, the guide bar bed is made of carbon fiber material, and the clamping piece is made of carbon fiber material, so that the effect of reducing the weight of the whole wireless piezoelectric ceramic jacquard guide bar can be achieved, and the whole wireless piezoelectric ceramic jacquard guide bar is lighter.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is an exploded view of a wireless piezoelectric ceramic jacquard bar.

Fig. 3 is a schematic structural diagram of a portion a in fig. 1.

FIG. 4 is a schematic view of the construction of a bar bed.

Fig. 5 is a circuit diagram of the driving circuit.

Fig. 6 is a circuit diagram of the second embodiment.

Description of the embodiments

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings.

Referring to fig. 2, an easy-to-assemble wireless piezoelectric ceramic jacquard bar and warp knitting machine comprises at least one jacquard bar 51 with piezoelectric ceramic, in this embodiment piezoelectric ceramic element 3.

Referring to fig. 1, 2 and 3, the jacquard bar comprises at least one yarn guide needle 5, at least one piezoceramic element 3 for driving the yarn guide needle 5 to swing, at least one bar base 1 for installing the piezoceramic element 3, at least one bar bed 2 detachably abutted on the bottom of the bar base 1, at least one clamping piece 7 for clamping the bar base 1 and the bar bed 2 together, at least one first assembling part 24 arranged on the rear part of the bar base 1, at least one second assembling part 23 arranged on the rear part of the bar bed 2 and matched with the first assembling part 24, at least one first assembling groove 38 arranged on the first assembling part 24 for installing a first locking element, at least one clamping part 6 arranged on the bottom of the bar base 1, at least one first installing groove 18 arranged on the bar base 1, at least one first installing groove 20 arranged in the first installing groove 18 and used for supplying power to the first ceramic element 3, at least one second installing groove 20 arranged on the slope part 19 arranged on the first installing groove 18 and the second installing groove 19 arranged on the second slope part 19.

Referring to fig. 1, one side of the grip 7 is wrapped on the bar base 1, and the other side of the grip 7 is wrapped on the bar bed 2, so that the grip 7, the bar base 1, and the bar bed 2 are integrally connected by means of assembly.

Referring to FIG. 1, the rear portion of the bar base 1 is detachably mounted on the grip 7, and the rear portion of the bar bed 2 is detachably mounted on the grip 7.

Referring to fig. 1, a bar base 1 is made of an aluminum magnesium alloy material, a bar bed 2 is made of a resin material, and a clamping piece 7 is made of a resin material.

Referring to fig. 1, both sides of the clamping piece 7 are respectively wrapped on the jacquard guide bar and the guide bar bed 2, so that the clamping piece 7, the guide bar base 1 and the guide bar bed 2 are assembled and connected into a whole, three parts are assembled into a whole, and the firmness of the assembly is improved.

Referring to fig. 1, through setting up clamping piece 7, use clamping piece 7 to press from both sides bar base 1 and bar bed 2 together on the one hand, be convenient for installation and dismantlement between bar base 1 and the bar bed 2, on the other hand is installed bar base 1 and bar bed 2 detachably on the clamping piece 7, played the effect of shortening the whole length of jacquard bar for the whole length of jacquard bar is shorter, has played the dual-purpose effect of a thing.

Referring to fig. 1 and 3, the lower side of the first fitting part 24 and the upper side of the second fitting part 23 are detachably abutted against each other, one end of the clip 7 is wrapped around the upper side of the first fitting part 24, and the other end of the clip 7 is wrapped around the lower side of the second fitting part 23, so that the first fitting part 24 and the second fitting part 23 are integrally connected.

Referring to fig. 1 and 3, the clamping member 7 includes a clamping block 31 for fixing the bar base 1, at least one first locking member provided on a rear end of the clamping block 31, a clamping groove 35 provided on a front end of the clamping block 31, at least one second assembly groove 32 provided on the clamping block 31 to be matched with the first assembly groove 38, at least one first clamping portion 33 obliquely provided on an upper portion of the clamping groove 35, and at least one second clamping portion 34 obliquely provided on a lower portion of the clamping groove 35.

Referring to fig. 1 and 3, the first fitting part 24 and the second fitting part 23 are detachably fitted in the clip groove 35, and the first locking member is locked to the first fitting part 24 by passing through the clip groove 35 from the rear of the clip 31, so that the first fitting part 24 is locked in the clip groove 35, and the clip groove 35 has a concave shape with a narrow bottom and a wide top in cross section.

Referring to fig. 1 and 3, the lower side of the first fitting part 24 and the upper side of the second fitting part 23 are stepped, and the second fitting part 23 is stacked on the first fitting part 24 such that the first fitting part 24 pushes the second fitting part 23 to move toward the holder 7 during locking.

Referring to fig. 1 and 3, by providing the second fitting part 23 to be stacked on the first fitting part 24, the first fitting part 24 pushes the second fitting part 23 to move toward the clip groove 35 during locking, so that the rear end of the bar bed 2 is more firmly fixed in the clip groove 35.

Referring to fig. 1, 2 and 3, the second fitting groove 32 extends from the rear of the clamp block 31 into the clamp groove 35, and the first locking member passes through the second fitting groove 32 and the first fitting groove 38, respectively, so that the first fitting portion 24 is locked in the clamp groove 35.

Referring to fig. 1 and 2, the guide bar bed 2 includes a fixing seat 15 disposed below the guide bar base 1, a mounting groove 16 disposed in the fixing seat 15, a positioning groove 17 disposed at the rear portion of the fixing seat 15, at least one second bump 14 disposed at the front end of the fixing seat 15 in an inclined manner, at least one second slope portion 11 disposed at the second bump 14 in an inclined manner and adapted to the first slope portion 22, and at least one fourth clamping portion 36 disposed at the lower side of the second assembling portion 23 in an inclined manner.

Referring to fig. 3, at least one third clamping portion 37 disposed obliquely is further disposed on the upper side of the first assembling portion 24, the third clamping portion 37 is detachably embedded in the first clamping portion 33, and the fourth clamping portion 36 is detachably embedded in the second clamping portion 34.

Referring to fig. 3, the first clamping portion 33 and the third clamping portion 37 each have a 45-degree inclined surface, and the second clamping portion 34 and the fourth clamping portion 36 each have a 45-degree inclined surface.

Referring to fig. 1, 2 and 4, the mounting groove 16 extends from the left side of the fixing base 15 to the right side of the fixing base 15, and the positioning groove 17 extends toward the mounting groove 16 to communicate with the mounting groove 16.

Referring to fig. 1, in the process of using and installing, the installation groove 16 can be installed on a transversely arranged limit rod, and a bolt for positioning is used, so that one end of the bolt is abutted on the limit rod, the effect of fixing and positioning the fixing seat 15 is achieved, and the position of the fixing seat 15 is fixed through the positioning groove 17, so that the fixing seat 15 is fixed on the limit rod.

Referring to fig. 1, the clamping piece 7 is arranged to fix the guide bar base 1 through the first locking piece, compared with the prior art, the gravity of the guide bar base 1 in the patent directly acts on the clamping piece 7, and the front end of the guide bar bed 2 only clings to the clamping groove 12 of the guide bar base 1 to play a limiting role.

Referring to FIG. 1, rotating the bar bed 2 with the stop lever as the axis can play a role in adjusting the setting angle of the bar bed 1.

Referring to fig. 1 and 2, the detent portion 6 includes at least one first bump 13 and at least one slot 12 disposed on the bottom of the bar base 1.

Referring to fig. 1 and 2, the first bump 13 extends toward the rear end of the bar base 1 such that a clamping groove 12 is formed around between the first bump 13 and the bottom of the bar base 1, and the front end of the second bump 14 is detachably inserted into the clamping groove 12 such that the first bump 13 is wrapped on the outside of the second bump 14.

Referring to fig. 1 and 2, the detent 6 extends toward the rear end of the bar base 1, and the front end of the bar bed 2 is detachably inserted into the detent 6.

Referring to fig. 1 and 2, the front end of the second bump 14 is detachably inserted into the click portion 6 such that the second slope portion 11 abuts against the first slope portion 22.

Referring to fig. 1 and 2, through setting up screens portion 6, the front end detachably grafting of sley bar bed 2 is in screens portion 6, and the user of being convenient for installs sley bar base 1 on sley bar bed 2, plays spacing effect to sley bar bed 2 front end, and sley bar base 1 and sley bar bed 2 laminating are more inseparable makes sley bar bed 2's installation more firm.

Referring to fig. 2, the enable terminal of the piezoelectric ceramic element 3 is electrically connected to the output terminal of the first conductive element 20, and the enable terminal of the first conductive element 20 is electrically connected to the output terminal of the second conductive element 21.

Referring to fig. 2, the first conductive element 20 may be at least two pins 212 disposed on the printed circuit board 211 or may be a strip copper sheet.

Referring to fig. 2, the second conductive member 21 may be a copper bar 213 installed in an insulation groove 214, and the insulation groove 214 is installed in the second installation groove 19.

Referring to fig. 1 and 2, an included angle X is formed between the clamping portion 6 and the bottom of the guide bar base 1, the included angle X is 0 degrees < X <90 degrees, and the front end of the guide bar bed 2 is detachably inserted into the clamping portion 6, so that the rear end of the guide bar bed 2 is abutted on the bottom of the guide bar base 1, and the guide bar base 1 and the clamping portion 6 are connected into a whole.

Referring to fig. 1 and 2, the bar base 1 includes an elongated base portion 8, a plurality of needle grooves 41 provided at intervals on a front end of the base portion 8 for mounting the guide needles 5, a plurality of groove portions 42 provided at intervals on the base portion 8, at least one mounting post 45 provided on the base portion 8, and at least one second locking member adapted to the mounting post 45. The first and second locking members may each be a screw.

Referring to fig. 1 and 2, the base portion 8 includes a first mounting portion 43 provided on one side of the groove portion 42 and a second mounting portion 44 provided on the other side of the groove portion 42, and the needle grooves 41 are provided at specific intervals on the front end portion of the first mounting portion 43 in this embodiment. The mounting post 45 is located within the second mounting portion 44. The base portion 8 may be an aluminum base made of an aluminum magnesium alloy.

Referring to fig. 2, the piezoelectric ceramic element 3 includes two piezoelectric ceramic pieces 46 arranged in a stacked state and two conductive pieces arranged on one end of the piezoelectric ceramic pieces 46.

Referring to fig. 2, one end of the yarn guide needle 5 is used for guiding yarn, the other end of the yarn guide needle 5 is sandwiched between the other ends of the two piezoelectric ceramic plates 46, and the yarn guide needle 5 is sandwiched between the two piezoelectric ceramic plates 46.

Referring to fig. 2, the yarn guide needle 5 is mounted in the needle groove 41, one end of the piezoelectric ceramic piece 46 is mounted in the groove 42, and the groove 42 fixes one end of the piezoelectric ceramic piece 46.

Referring to fig. 2, the piezoceramic element 3 is driven by at least one driving circuit board 4 provided on the bar base 1, and the piezoceramic element 3 is electrically connected to the driving circuit board 4 through a conductive sheet. The driving circuit board 4 is used for driving the piezoelectric ceramic piece 46 to swing, and the piezoelectric ceramic piece 46 is installed in the first installation part 43.

Referring to fig. 2, the driving circuit board 4 is mounted in the second mounting portion 44, mounting holes are provided in the driving circuit board 4, and the second locking members pass through the mounting holes and are locked on the mounting posts 45 using the second locking members, thereby fixedly mounting the driving circuit board 4.

The driving circuit board 4 comprises a printed circuit board and a driving circuit arranged on the printed circuit board.

Referring to fig. 5, the driving circuit includes at least one power source VCC, at least one signal INPUT terminal INPUT, at least one transistor Q1, at least one transistor Q2, at least one transistor Q3, at least one transistor Q4, at least one resistor R1, at least one resistor R2, at least one resistor R3, at least one resistor R4, at least one diode D2, and at least one diode D1, where the power source VCC is +200v.

Referring to fig. 5, a first patch double-triode is formed by combining a transistor Q1 and a transistor Q2, and a second patch double-triode is formed by combining a transistor Q3 and a transistor Q4.

Referring to fig. 5, the signal INPUT terminal INPUT is connected to one end of a resistor R1, the other end of the resistor R1 is connected to a base of a diode Q2, one end of the resistor R2, the base of the diode Q1 and a cathode of a diode D1 are connected in parallel to a collector of the diode Q2, the collector of the diode Q1 is connected in parallel to the other end of the resistor R2, the other end of the resistor R2 is connected to a power source VCC, an emitter of the diode Q1 is connected in parallel to an anode of the diode D1, and an anode of the diode D1 is connected to an output terminal OUT1.

Referring to fig. 5, one end of a resistor R3 and an anode of a diode D1 are connected in parallel to an emitter of a diode Q1, the other end of the resistor R3 is connected to a base of a diode Q4, one end of the resistor R4, the base of the diode Q3 and a cathode of the diode D2 are connected in parallel to a collector of the diode Q4, the other end of the resistor R4 and the collector of the diode Q3 are connected in parallel to the collector of the diode Q1, the emitter of the diode Q3 is connected in parallel to an anode of the diode D2, and the anode of the diode D2 is connected to an output terminal OUT2.

Referring to fig. 5, the emitter of the transistor Q4 is connected in parallel to the emitter of the transistor Q2 and to ground.

Referring to fig. 5, the output terminal OUT1 is connected to one end of one piezoelectric ceramic sheet, and the output terminal OUT2 is connected to one end of the other piezoelectric ceramic sheet.

Referring to fig. 5, the transistors Q1 and Q2 may be NPN transistors.

Referring to fig. 5, the transistors Q3 and Q4 may be NPN transistors.

The first patch dual-transistor model is BC847BS 1FT. The package was SOT-363 with a parameter of 0.1A/100mA 45V. The patch double-transistor with the model BC847BS 1FT is composed of two NPN triodes.

The second patch dual-transistor model is BC847BS 1FT. The package was SOT-363 with a parameter of 0.1A/100mA 45V. The patch double-transistor with the model BC847BS 1FT is composed of two NPN triodes.

Referring to fig. 5, by setting a second patch double-triode formed by combining a triode Q3 and a triode Q4, compared with two triodes Q3 and Q4 separately set, on one hand, the second patch double-triode has better consistency in manufacturing, lower cost and better reliability, and on the other hand, the second patch double-triode occupies smaller area, thereby achieving the effect of reducing the whole area of the driving circuit, being beneficial to improving the integration degree of the driving circuit, and achieving the effect of achieving two purposes.

Referring to fig. 5, by setting the circuit layout of the first patch double-transistor and the second patch double-transistor matched with the two diodes, the power supply can be ensured not to have a short circuit phenomenon, the whole circuit has small power consumption, low heating value and simple circuit, the reliability of the driving circuit can be greatly improved, the service lives of the driver and the jacquard are prolonged, and the repair cost is saved.

The two piezoelectric ceramic plates can be equivalent to two capacitors, and the wireless piezoelectric ceramic jacquard guide bar needs to be charged and discharged at the same time to work normally. The charged wireless piezoelectric ceramic jacquard bar deforms on one side, and swings to one side.

The working principle thereof is described below:

1: when INPUT1 INPUTs high level, triode Q2 switches on, triode Q1 base is low level, triode Q1 cuts off. The output end discharges the capacitance at one end of the jacquard through a diode D1 and a transistor Q2. It is particularly noted that at the moment of the start of discharge, diode D1 is turned on to place transistor Q1 in a reverse bias state, so that transistor Q1 is turned off rapidly and is turned off completely, with little power consumption.

2: when INPUT1 INPUTs high, INPUT2 INPUTs low, Q4 is off, and Q4 corresponds to an open circuit. At this time, after the current of R4 through Q3 is amplified, the capacitor on the other side of the jacquard is charged. At this time, Q4 is in an off state, and there is little power consumption.

3: when the levels are opposite, the operation is exactly the same.

In the second embodiment, referring to fig. 6, the difference between the second embodiment and the first embodiment is that a wireless piezoelectric ceramic driving circuit with reduced occupied space acts on at least one wireless piezoelectric ceramic jacquard bar, so that the piezoelectric ceramic sheet deforms to drive the yarn guide needle to swing.

The wireless piezoelectric ceramic jacquard guide bar comprises a guide bar base and a plurality of yarn guide needles fixed on the guide bar base, and each yarn guide needle is driven by at least one piezoelectric ceramic plate.

Referring to fig. 6, the driving circuit includes at least one power VCC, at least one signal INPUT terminal INPUT, at least one transistor Q1, at least one transistor Q2, at least one resistor R1, at least one resistor R2, and at least one diode D1, wherein a first patch bipolar transistor is formed by combining a transistor Q1 and a transistor Q2, and the power VCC is +200v.

Referring to fig. 6, the signal INPUT terminal INPUT is connected to one end of a resistor R1, the other end of the resistor R1 is connected to a base of a diode Q2, one end of the resistor R2, the base of the diode Q1 and a cathode of a diode D1 are connected in parallel to a collector of the diode Q2, the collector of the diode Q1 is connected in parallel to the other end of the resistor R2, the other end of the resistor R2 is connected to a power source VCC, an emitter of the diode Q1 is connected in parallel to an anode of the diode D1, and an anode of the diode D1 is connected to an output terminal OUT1. The output terminal OUT1 is connected to one end of one piezoelectric ceramic plate, thereby driving the piezoelectric ceramic plate to swing.

Referring to fig. 6, the transistors Q1 and Q2 may be NPN transistors.

The driving circuit may be disposed on a printed circuit board.

The first patch double-transistor model BC847BS 1FT is packaged as SOT-363 with a parameter of 0.1A/100mA 45V. The patch double-transistor with the model BC847BS 1FT is composed of two NPN triodes.

Referring to fig. 6, by setting a first patch double-triode formed by combining a triode Q1 and a triode Q2, compared with two triodes Q1 and Q2 separately set, on one hand, the first patch double-triode has better consistency in manufacturing, lower cost and better reliability, and on the other hand, the first patch double-triode occupies smaller area, thereby achieving the effect of reducing the whole area of the driving circuit, being beneficial to improving the integration degree of the driving circuit, and achieving the effect of achieving two purposes.

Embodiment III, referring to FIG. 1, the second embodiment differs from the first embodiment in that: the guide bar base 1 is made of carbon fiber materials, the guide bar bed 2 is made of carbon fiber materials, and the clamping piece 7 is made of carbon fiber materials.

Referring to fig. 1, the bar base 1 includes an elongated base portion 8, a plurality of needle grooves 41 spaced apart from each other on a front end of the base portion 8 for mounting the guide needles 5, a plurality of groove portions 42 spaced apart from each other on the base portion 8, at least one mounting post 45 provided on the base portion 8, and at least one second locking member adapted to the mounting post 45. The specific base portion 8, needle groove 41, groove portion 42, and mounting post 45 in this embodiment may be made of carbon fiber material, thereby achieving the effect of reducing the weight of the bar base 1.

The first locking piece and the second locking piece can be made of carbon fiber materials, and the first locking piece and the second locking piece can be screws and made of carbon fiber materials, so that the weight is reduced.

Other structures are similar to those of the first embodiment and will not be described again.

Referring to fig. 1, in the present utility model, by providing the bar base 1 made of carbon fiber material, the bar bed 2 made of carbon fiber material, and the clip 7 made of carbon fiber material, the effect of reducing the weight of the entire wireless piezoelectric ceramic jacquard bar can be achieved, so that the entire wireless piezoelectric ceramic jacquard bar is lighter.

The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.

Claims

1. The utility model provides a wireless piezoceramics jacquard sley bar of easy assembly, includes at least one sley bar base and at least one sley bar bed, its characterized in that: still include at least one be used for with the sley bar base with the clamping piece that the sley bar bed pressed from both sides tightly together, at least one locate first assembly portion on the sley bar base rear portion and at least one locate on the sley bar base rear portion with the second assembly portion of first assembly portion looks adaptation, the downside of first assembly portion with the upside detachable butt each other of second assembly portion is in the same place, the one end parcel of clamping piece is in the upside of first assembly portion, the other end parcel of clamping piece is in the downside of second assembly portion for first assembly portion with second assembly portion links into an organic whole, the sley bar base is made for carbon fiber material or almag material, one side parcel of clamping piece is in on the sley bar base, the opposite side parcel of clamping piece is in on the sley bar, make the clamping piece the sley bar base with the sley bar is in an organic whole, through setting up the clamping piece with the sley bar base with the sley bar is in the sley bar base can be dismantled together with the sley bar base with the clamping piece is convenient for dismantle between the sley bar base and the sley bar base.

2. An easy-to-assemble wireless piezoelectric ceramic jacquard bar as claimed in claim 1, wherein: the clamping piece comprises a clamping block used for fixing the guide bar base, at least one first locking piece arranged on the rear end of the clamping block and a clamping groove arranged on the front end of the clamping block, the first assembly part and the second assembly part are respectively and detachably embedded in the clamping groove, and the first locking piece is locked on the first assembly part in a mode of penetrating through the clamping groove from the rear part of the clamping block, so that the first assembly part is locked in the clamping groove.

3. An easy-to-assemble wireless piezoelectric ceramic jacquard bar as claimed in claim 1, wherein: the lower side of the first assembly part and the upper side of the second assembly part are both in a step shape, and the second assembly part is arranged on the first assembly part in a lamination mode, so that the first assembly part pushes the second assembly part to move towards the clamping piece in the locking process.

4. An easy-to-assemble wireless piezoelectric ceramic jacquard bar as claimed in claim 1, wherein: the guide bar bed comprises a fixing seat arranged below the guide bar base, an assembly groove arranged in the fixing seat and an upper positioning groove arranged at the rear part of the fixing seat, wherein the assembly groove extends from the left side of the fixing seat to the right side of the fixing seat, and the positioning groove extends towards the direction of the assembly groove and is communicated with the assembly groove.

5. An easy-to-assemble wireless piezoelectric ceramic jacquard bar as claimed in claim 1, wherein: the guide bar bed is detachably arranged on the bottom of the guide bar base, and the clamping part is arranged on the bottom of the guide bar base, the clamping part extends towards the rear end direction of the guide bar base, and the front end of the guide bar bed is detachably inserted into the clamping part.

6. An easy-to-assemble wireless piezoelectric ceramic jacquard bar as claimed in claim 1, wherein: the guide bar base is made of carbon fiber materials, the guide bar bed is made of carbon fiber materials, and the clamping piece is made of carbon fiber materials.

7. An easy-to-assemble wireless piezoelectric ceramic jacquard bar as claimed in claim 1, wherein: the driving circuit comprises at least one power supply VCC, at least one signal INPUT end INPUT, at least one triode Q1 and at least one triode Q2, wherein the triode Q1 and the triode Q2 are combined to form a first patch double-triode, the signal INPUT end INPUT is connected to the INPUT end of the first patch double-triode, the output end of the patch double-triode is electrically connected with the enabling end of the piezoelectric ceramic, and the power supply VCC supplies power to the triode Q1 and the triode Q2 respectively.

8. A warp knitting machine, characterized in that: comprising at least one wireless piezoelectric ceramic jacquard bar, which is the wireless piezoelectric ceramic jacquard bar of any one of claims 1 to 7.