A jacquard device for removing connecting ropes

Abstract

A jacquard device for removing a connecting rope comprises a fixed frame and at least one jacquard comb mounted on the fixed frame, the fixed frame is provided with at least one layer of installation grooves arranged in a long strip shape, an insulating seat matching the size of the installation groove is arranged in the installation groove, the insulating seat is provided with at least two conductive strips electrically isolated from each other, one side of the conductive strip is buried in the insulating seat, and the other side of the conductive strip is exposed, each jacquard comb is provided with contact pieces corresponding to the number of the conductive strips, one end of each contact piece abuts against the exposed side of the corresponding conductive strip, and the other end of the contact piece is connected to the circuit interface of the jacquard comb. The present invention can remove the thread ends of the jacquard comb, save manufacturing costs, and does not significantly change the structure of the existing jacquard comb, greatly maintaining the stable working performance of the existing jacquard comb.

Description

Technical Field

[0001] The invention relates to a jacquard pattern device, in particular to a jacquard pattern device with a connection rope removed. Background Art

[0002] The traditional piezoelectric jacquard drive system includes a jacquard and a jacquard drive device, and its structure is mainly that N jacquards are installed on the comb bar, wherein the jacquard is installed on the comb bar, and the jacquard drive device is usually installed on the warp knitting frame, so it is separated from the jacquard, and the two are electrically connected to the slot of the jacquard drive device through the jacquard lead socket. Since each jacquard includes multiple jacquard needles (driven by piezoelectric ceramic sheets), and each jacquard needle requires an independent drive cable, this results in thousands of drive cables connected between the drive device and the jacquard comb bar. This complex cable arrangement causes many inconveniences and limitations in practical applications, such as but not limited to the inconvenience of disassembly and maintenance, which greatly affects production efficiency and restricts the development of new process products for jacquard warp knitting machines.

[0003] The Chinese utility model patent (application number: 20172005110.7) discloses an active jacquard drive system, which is directly electrically connected to the interface on the flexible circuit through a connector. Although the above patent can reduce the lead wires and facilitate disassembly, it still has the following shortcomings in actual use: 1. The flexible circuit and the connector are set at the head of the jacquard comb. However, in actual work, the jacquard comb runs at a high speed, which easily leads to frequent friction between the connector and the flexible circuit, causing serious damage to the components and frequent system failures; 2. The flexible circuit needs to use flexible consumables, which has extremely high manufacturing costs and is not suitable for industrial promotion and application. Summary of the invention

[0004] The present invention provides a jacquard device with a connection rope removed, and its main purpose is to overcome the defects of the existing active jacquard drive system, such as high loss, easy failure and high manufacturing cost.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A jacquard device for removing a connecting rope comprises a fixing frame and at least one jacquard comb mounted on the fixing frame, wherein the fixing frame is provided with at least one layer of mounting grooves arranged in a long strip shape, an insulating seat matched to the size thereof is arranged in the mounting groove, the insulating seat is provided with at least two conductive strips electrically isolated from each other, one side of the conductive strip is buried in the insulating seat, and the other side of the conductive strip is exposed, each jacquard comb is provided with contact pieces corresponding to the number of the conductive strips, one end of each contact piece abuts against the exposed side of the corresponding conductive strip, and the other end of the contact piece is connected to the circuit interface of the jacquard comb.

[0007] Furthermore, the insulating seat is provided with two spaced-apart long slots, and each long slot is correspondingly provided with one of the conductive strips.

[0008] Furthermore, the above jacquard device also includes a power supply device, wherein one of the conductive strips is connected to the positive output terminal of the power supply device, and the other conductive strip is connected to the negative output terminal of the power supply device.

[0009] Furthermore, the power supply device is a power supply device integrating power supply and communication.

[0010] Furthermore, the power supply device includes a DC power supply V1, a DC power supply V2, a diode D1 and an electronic switch K1, the negative electrode of the DC power supply V1 and the negative electrode of the DC power supply V2 are connected in parallel to the conductive strip for negative electrode output, the voltage of the DC power supply V1 is greater than the voltage of the DC power supply V2, one end of the electronic switch K1 is connected to the positive electrode of the DC power supply V1, the other end of the electronic switch K1 and the cathode of the diode D1 are connected in parallel to the conductive strip for positive electrode output, and the anode of the diode D1 is connected to the positive electrode of the DC power supply V2.

[0011] Furthermore, the jacquard comb includes an aluminum base and a plurality of jacquard needles with a piezoelectric ceramic sheet structure, the jacquard needles are installed on the aluminum base in an interval arrangement, a receiving groove is provided on the back of the aluminum base, an insulating fixing piece is provided in the receiving groove, and two through holes are provided on the insulating fixing piece, and the other end of each of the contact pieces extends into the jacquard comb through the through hole and is connected to the circuit interface of the jacquard comb.

[0012] Furthermore, the contact piece is a flexible metal spring arranged in an L shape, which includes a fixed end extending into the through hole and fixed on the circuit interface of the jacquard comb and a free end connected to the fixed end, and the free end of the flexible metal spring abuts against the conductive strip and is pressed tightly by its own elasticity.

[0013] Furthermore, the free end of the flexible metal spring is provided with a comb-shaped tail.

[0014] Furthermore, the fixing frame is provided with a long strip-shaped hooking section, and the aluminum base of each jacquard comb is provided with a clamping part for embedding the hooking section.

[0015] Furthermore, the above jacquard device also includes a guide support assembly, the upper end of the fixed frame is fixedly connected to the guide support assembly, and the lower end of the fixed end is provided with the hooking section.

[0016] Compared with the prior art, the beneficial effects produced by the present invention are:

[0017] 1. The present invention has a simple structure and strong practicality. By providing an insulating seat and placing a conductive strip therein, the space occupied by the fixing frame and the fixing frame of the original corded jacquard comb remains unchanged. After the jacquard comb is installed thereon, the electrical connection function of the contact sheet can be utilized to transmit electric energy and signals from the conductive strip to the contact sheet to power the jacquard comb. In this way, the thread ends of the jacquard comb can be removed to save manufacturing costs, and the structure of the existing jacquard comb does not need to be significantly changed, thereby greatly maintaining the stable working performance of the existing jacquard comb.

[0018] 2. In the present invention, communication and power supply adopt an integrated circuit structure, so that the present invention only needs to set two conductive strips to realize the power supply and signal control of the whole row of Jacquards, which not only greatly reduces the production cost, but also saves most of the wiring, keeping the whole production equipment neat and beautiful.

[0019] 3. In the present invention, the contact piece is set as an L-shaped flexible metal spring sheet, and the conductive strip can be a copper strip. In this way, not only can the flexible metal spring sheet's own elasticity be used to press the copper strip to maintain good contact performance with the copper strip, but also the mutual wear degree is low and the service life is long. It will not affect the power supply and communication of the jacquard comb, thereby ensuring long-term stable operation of the equipment and improving production efficiency.

[0020] 4. In the present invention, a DC power supply V1, a DC power supply V2 and a diode D1 are provided, and an electronic switch K1 is introduced for control. While supplying power to the device, it also has a communication function, that is, power supply and communication are integrated, and no independent communication lines and interfaces are required. The total number of connecting wires is reduced to a minimum, the wiring requirements are simplified, the installation convenience and maintainability are improved, and the reliability of the equipment is also greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the present invention.

[0023] Figure 2 for Figure 1 main view.

[0024] Figure 3 It is a schematic diagram of the structure of the present invention, wherein the guide support assembly is not shown.

[0025] Figure 4 for Figure 3 Schematic diagram of the decomposition.

[0026] Figure 5 for Figure 4 A magnified schematic diagram of center A.

[0027] Figure 6 It is a principle block diagram of the power supply device in the present invention.

[0028] Figure 7 FIG. 4 is a circuit diagram of a power supply device in the present invention.

[0029] Figure 8 It is a working waveform diagram of the power supply device in the present invention. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Reference Figure 1-Figure 5 A jacquard device 1 for removing a connecting rope comprises a fixed frame 2 and at least one jacquard comb 3 mounted on the fixed frame 2. The jacquard device 1 further comprises a guide support assembly 4. The upper end of the fixed frame 2 is fixedly connected to the guide support assembly 4. The fixed frame 2 is provided with at least one layer of mounting grooves 5 arranged in a long strip shape. An insulating seat 6 matching the size thereof is arranged in the mounting groove 5. The insulating seat 6 is provided with at least two conductive strips 7 electrically isolated from each other. One side of the conductive strip 7 is buried in the insulating seat 6, and the other side of the conductive strip 7 is exposed. Each jacquard comb 3 is provided with contact pieces 8 having the same number as the conductive strips 7. One end of each contact piece 8 abuts against one side of the corresponding conductive strip 7 that is exposed, and the other end of the contact piece 8 is connected to the circuit interface of the jacquard comb 3. The present invention has a simple structure and strong practicality. By providing an insulating seat 6 and placing a conductive strip 7 therein, the space occupied by the fixing frame 2 and the fixing frame 2 of the original corded jacquard comb 3 remains unchanged. After the jacquard comb 3 is installed thereon, the electrical connection function of the contact piece 8 can be utilized to transmit electrical energy and signals from the conductive strip 7 to the contact piece 8 to power the jacquard comb 3. In this way, the thread ends of the jacquard comb 3 can be removed to save manufacturing costs, and the structure of the existing jacquard comb 3 does not need to be significantly changed, thereby greatly maintaining the stable working performance of the existing jacquard comb 3.

[0032] Reference Figure 1-Figure 5The insulating seat 6 is provided with two long slots 60 arranged at intervals, and each long slot 60 is correspondingly provided with a conductive strip 7. In this embodiment, the conductive strip 7 is preferably a copper strip.

[0033] Reference Figure 1-Figure 5 The jacquard comb 3 includes an aluminum base 30 and a plurality of jacquard pins 31 with a piezoelectric ceramic sheet structure. The jacquard pins 31 are installed on the aluminum base 30 in an interval arrangement. A receiving groove 32 is provided on the back of the aluminum base 30. An insulating fixing member 33 is provided in the receiving groove 32. Two through holes 330 are provided on the insulating fixing member 33. The other end of each contact piece 8 extends into the jacquard comb 3 through the through hole 330 and is connected to the circuit interface of the jacquard comb 3. The contact piece 8 is a flexible metal spring arranged in an L shape. The flexible metal spring includes a fixed end 80 extending into the through hole 330 and fixed on the circuit interface of the jacquard comb 3 and a free end 81 connected to the fixed end 80. The free end 81 of the flexible metal spring abuts against the conductive strip 7 and is elastically pressed by itself. The free end 81 of the flexible metal spring is provided with a comb-shaped tail 82. The fixing frame 2 is provided with a long strip-shaped hooking section 25, and the aluminum base 30 of each jacquard comb 3 is provided with a clamping portion 35 for embedding the hooking section 25. In addition, the aluminum base 30 of the jacquard comb 3 is also fixed and locked on the fixing frame 2 through a locking assembly 9, and the jacquard comb 3 is also provided with a cover plate 39. In addition, the lower end of the fixing end 80 is provided with the hooking section 25. By setting the contact piece 8 as an L-shaped flexible metal spring sheet, and the conductive strip 7 can be a copper strip, not only can the flexible metal spring sheet itself be used to press the copper strip to maintain good contact performance with the copper strip, but also the mutual wear degree is low, the service life is long, and it will not affect the power supply and communication of the jacquard comb 3, ensuring the long-term stable operation of the equipment and improving the production efficiency.

[0034] Reference Figure 6-Figure 8The jacquard jacquard device 1 also includes a power supply device, wherein one of the conductive strips 7 is connected to the positive output end of the power supply device, and the other conductive strip 7 is connected to the negative output end of the power supply device. The power supply device is a power supply device integrating power supply and communication. In the present invention, communication and power supply adopt an integrated circuit structure, so that the present invention only needs to set two conductive strips 7 to realize the power supply and signal control of the entire row of jacquards, which not only greatly reduces the production cost, but also saves most of the wiring, keeping the entire production equipment neat and beautiful. The power supply device includes a DC power supply V1, a DC power supply V2, a diode D1 and an electronic switch K1, the negative electrode of the DC power supply V1 and the negative electrode of the DC power supply V2 are connected in parallel to the conductive strip 7 for negative output, the voltage of the DC power supply V1 is greater than the voltage of the DC power supply V2, one end of the electronic switch K1 is connected to the positive electrode of the DC power supply V1, the other end of the electronic switch K1 and the cathode of the diode D1 are connected in parallel to the conductive strip 7 for positive output, and the anode of the diode D1 is connected to the positive electrode of the DC power supply V2. The above power supply device includes two power supplies, a DC power supply V1 and a DC power supply V2. Comparing the voltages, the DC power supply V1>DC power supply V2, wherein the negative poles of the DC power supply V1 and the DC power supply V2 are connected together to form the negative pole of the output power supply, and the positive pole of the DC power supply V1 is output to the positive pole of the power supply through the electronic switch K1. The electronic switch K1 can be composed of a high-power semiconductor device, such as a transistor, MOS or IGBT. The positive pole of the DC power supply V2 is output to the positive pole of the power supply through a diode D1. In this embodiment, the communication signal itself is a series of binary signals, and controls the electronic switch K1. The 0 state in the communication signal corresponds to the electronic switch K1 being disconnected; the 1 state corresponds to the electronic switch K1 being closed. The working process of the above power supply device includes the following: 1. By Figure 6 It can be seen that at any time, there will always be voltage at the positive pole of the input power supply. When the electronic switch K1 is closed, since the DC power supply V1>DC power supply V2, the diode D1 is reverse biased and cut off, and the output voltage = V1; when the electronic switch K1 is disconnected, the diode D1 is immediately forward biased, and the voltage drop of the diode D1 is ignored. At this time, the output voltage = V2; since the electronic switch K1 is controlled by the communication signal source, when there is communication, the communication signal is modulated on the positive pole of the output power supply to form a communication signal, and the 0 state controls the electronic switch K1 to be disconnected, so it corresponds to the output DC power supply V2, and the 1 state controls the electronic switch K1 to be closed, so it corresponds to the output DC power supply V1. And because this signal itself is the power supply, it has a strong load capacity. The DC power supply V1 and the DC power supply V2 correspond to the maximum and minimum values ​​of the allowable fluctuation range of the power supply voltage of the jacquard comb 3 to ensure the power supply of the jacquard comb 3. The working waveforms of each point of this power supply device are as follows Figure 8As shown in the waveform diagram, it can be seen that the 0 state of the communication signal is modulated into V2, and the 1 state is modulated into V1. While completing the communication signal transmission, it is also a power supply with a voltage range of V2~V1. From the above, it can be seen that by setting up DC power supply V1, DC power supply V2 and diode D1, and introducing electronic switch K1 for control, while powering the equipment, it also has the communication function, that is, power supply and communication are integrated, no independent communication lines and interfaces are required, the total number of connecting wires is reduced to a minimum, the wiring requirements are simplified, the installation convenience and maintainability are improved, and the reliability of the equipment is also greatly improved.

[0035] Reference Figure 6-Figure 8 The electronic switch K includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a transistor Q2, a transistor Q3, a transistor Q4, a transistor Q5, a MOS transistor Q1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a Zener diode ZD1 and a diode D2; one side of the capacitor C1, the capacitor C2 and the capacitor C3 is connected to the ground in parallel, and the other side is connected in parallel to the positive electrode of the DC power supply V1; the cathode of the Zener diode ZD1, one end of the resistor R2, the emitter of the transistor Q2 and the source of the MOS transistor Q1 are connected in parallel to the positive electrode of the DC power supply V1; the anode of the Zener diode ZD1, the other end of the resistor R2, one end of the resistor R3 and the base of the transistor Q4 are connected in parallel to the base of the transistor Q3. The emitter of transistor Q3, the emitter of transistor Q4 and the collector of transistor Q2 are connected in parallel to the gate of MOS tube Q1; one end of resistor R1 is connected to the collector of transistor Q3, and the other end is connected to the base of transistor Q2; the other end of resistor R3 is connected to the collector of transistor Q5; the collector of transistor Q4, the emitter of transistor Q5 and the anode of diode D2 are connected to ground in parallel; one end of resistor R4, one side of capacitor C4 and the cathode of diode D2 are connected in parallel to the base of transistor Q5; the other end of resistor R4 and the other side of capacitor C4 are connected in parallel to the input end of communication signal source; the drain of MOS tube Q1 and the cathode of diode D1 are connected in parallel to the positive input end of jacquard comb.

[0036] The MOS tube Q1 is a P-channel MOS tube.

[0037] Among them, transistor Q2 and transistor Q4 are PNP transistors.

[0038] Among them, transistor Q5 and transistor Q3 are NPN transistors.

[0039] The working principle of the above circuit includes the following: 1. Capacitor C1, capacitor C2, and capacitor C3 form a power filter circuit. 2. INPUT is the communication signal input terminal. The drive circuit is composed of transistor Q2, transistor Q3, transistor Q4, transistor Q5, resistor R1, resistor R3, resistor R4, capacitor C4, and diode D2. The clamping circuit is composed of resistor R2 and Zener diode ZD1. MOS tube Q1 is a P-channel MOS, used as an analog switch.

[0040] The working process of the above circuit includes the following: 1. Assume that at the beginning, the input level of INPUT is 0, and the DC power supply V1>DC power supply V2. Transistor Q5 is cut off. Due to the reverse bias of diode D1, the potential at point A = V1, and the potential at point B is ignored when the forward voltage drop of the base of transistor Q3 is ignored. MOS tube Q1 is a P-channel MOS, so MOS tube Q1 is cut off at this time. 2. When there is a signal input to INPUT, that is, the level is 1, the signal is first injected into the base of transistor Q5 through capacitor C4. Since there is no voltage on capacitor C4 at the beginning, it is equivalent to a short circuit. In a short time, the base of transistor Q5 will have a relatively large driving current, and transistor Q5 will turn on sharply. When capacitor C4 is charged, resistor R4 continues to provide conduction current. Therefore, the function of capacitor C4 is to accelerate the conduction of transistor Q5. Resistor R3 is a current limiting resistor, resistor R2 is a discharge resistor, and Zener diode ZD1 is an embedded diode. Due to the existence of Zener diode ZD1, the voltage between the source and gate of MOS tube Q1 is constant, that is, the driving voltage is constant, to prevent the DC power supply V1 voltage from breaking through the gate of MOS tube Q1 when it is higher than the gate withstand voltage of MOS tube Q1, causing damage to MOS tube Q1. 3. After transistor Q5 is turned on, the voltage between the source and gate of MOS tube Q1 = Vzd1, so MOS tube Q1 is turned on at this time. The function of transistor Q4 is to accelerate the release of the charge of the gate of MOS tube Q1 and accelerate the conduction of MOS tube Q1. Therefore, when INPUT=1, MOS tube Q1 is turned on. Since DC power supply V1>DC power supply V2, diode D1 is reverse biased, so V_OUT=V1. 4. When INPUT changes from 1 to 0, the charge stored on capacitor C4 is released through diode D2, and a reverse bias voltage is formed between the emitter and base of transistor Q5. Transistor Q5 is quickly cut off, which is equivalent to an open circuit. At this time, the potential at point A rises rapidly. The role of resistor R2 is to provide a discharge loop for the capacitor between the source and gate of MOS tube Q1 to prevent MOS tube Q1 from being in the on state due to the clamping effect of Zener diode ZD1. When the potential at point A rises to close to DC power supply V1, MOS tube Q1 is cut off, diode D1 is forward biased, so V_OUT=V2. In summary, from the above analysis, it can be seen that the V_OUT output voltage is controlled by the INPUT input level. INPUT=0, V_OUT=V2; INPUT=1, V_OUT=V1.

[0041] The above is a detailed introduction to a jacquard device 1 for removing a connecting rope provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A jacquard device for removing a connecting cord, comprising a fixing frame and at least one jacquard needle block mounted on the fixing frame, characterized in that: It also includes a power supply device, which is a power supply device that integrates power supply and communication. The fixing frame is provided with at least one layer of installation grooves arranged in a long strip shape, and an insulating seat that matches the size of the installation groove is arranged in the installation groove. The insulating seat is provided with two long strip grooves arranged at intervals, and each long strip groove is correspondingly provided with a conductive strip, one of which is connected to the positive output terminal of the power supply device, and the other is connected to the negative output terminal of the power supply device; the conductive strips are electrically isolated from each other, one side of the conductive strip is buried in the insulating seat, and the other side of the conductive strip is exposed, and each jacquard needle block is correspondingly provided with the same number of connecting strips as the conductive strips. The contact piece, one end of each contact piece is in contact with a side of the conductive strip corresponding to it that is exposed, and the other end of the contact piece is connected to the circuit interface of the jacquard needle block, the power supply device includes a DC power supply V1, a DC power supply V2, a diode D1 and an electronic switch K1, the negative electrode of the DC power supply V1 and the negative electrode of the DC power supply V2 are connected in parallel to the conductive strip for negative electrode output, the voltage of the DC power supply V1 is greater than the voltage of the DC power supply V2, one end of the electronic switch K1 is connected to the positive electrode of the DC power supply V1, and the other end of the electronic switch K1 and the cathode of the diode D1 are connected in parallel to the conductive strip for positive electrode output , the anode of the diode D1 is connected to the positive electrode of the DC power supply V2, the electronic switch K1 includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a transistor Q2, a transistor Q3, a transistor Q4, a transistor Q5, a MOS transistor Q1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a Zener diode ZD1 and a diode D2; one side of the capacitor C1, the capacitor C2 and the capacitor C3 is connected to the ground in parallel, and the other side is connected in parallel to the positive electrode of the DC power supply V1; the cathode of the Zener diode ZD1, one end of the resistor R2, the emitter of the transistor Q2 and the source of the MOS transistor Q1 are connected in parallel to the positive electrode of the DC power supply V1; The anode of the Zener diode ZD1, the other end of the resistor R2, one end of the resistor R3 and the base of the transistor Q4 are connected in parallel to the base of the transistor Q3; the emitter of the transistor Q3, the emitter of the transistor Q4 and the collector of the transistor Q2 are connected in parallel to the gate of the MOS transistor Q1; one end of the resistor R1 is connected to the collector of the transistor Q3, and the other end is connected to the base of the transistor Q2; the other end of the resistor R3 is connected to the collector of the transistor Q5; the collector of the transistor Q4, the emitter of the transistor Q5 and the anode of the diode D2 are connected in parallel to the ground; one end of the resistor R4, one side of the capacitor C4 and the cathode of the diode D2 are connected in parallel to the base of the transistor Q5; the other end of the resistor R4 and the other side of the capacitor C4 are connected in parallel to the input end of the communication signal source; the drain of the MOS tube Q1 and the cathode of the diode D1 are connected in parallel to the positive input end of the jacquard needle block.

2. A jacquard device for removing a connecting rope as claimed in claim 1, characterized in that: The jacquard needle block includes an aluminum base and a plurality of jacquard needles with a piezoelectric ceramic sheet structure. The jacquard needles are installed on the aluminum base in an interval arrangement. A receiving groove is provided on the back of the aluminum base. An insulating fixing piece is provided in the receiving groove. Two through holes are provided on the insulating fixing piece. The other end of each contact piece extends into the jacquard needle block through the through hole and is connected to the circuit interface of the jacquard needle block.

3. A jacquard device for removing a connecting rope as claimed in claim 2, characterized in that: The contact piece is a flexible metal spring arranged in an L shape, which includes a fixed end extending into the through hole and fixed on the circuit interface of the jacquard needle block and a free end connected to the fixed end. The free end of the flexible metal spring abuts against the corresponding conductive strip and is pressed tightly by its own elasticity.

4. A jacquard device for removing a connecting cord as claimed in claim 3, characterized in that: The free end of the flexible metal spring is provided with a comb-shaped tail.

5. A jacquard device for removing a connecting rope as claimed in claim 4, characterized in that: The fixing frame is provided with a long strip-shaped hooking section, and the aluminum base of each jacquard needle block is provided with a clamping part for embedding the hooking section.

6. A jacquard device for removing a connecting cord as claimed in claim 5, characterized in that: It also includes a guide support assembly, and the upper end of the fixing frame is fixedly connected to the guide support assembly.

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