Velvet cutting machine with electric control linkage tension and electric control linkage method thereof

Abstract

The invention relates to the technical field of pile cutting machines, in particular to a pile cutting machine with electric control linkage tension and an electric control linkage method of the pile cutting machine. The device comprises an unwinding mechanism, a tension transition device, a velvet cutting mechanism, a guide needle mechanism, a main shaft mechanism, a traction mechanism and a winding mechanism which are sequentially arranged in the running direction of gray cloth, and an electronic control system used for controlling all the mechanisms to run cooperatively. Each controller and each frequency converter simultaneously receive a speed setting instruction from a bus communication system and a real-time main shaft speed signal from a signal distributor, and drive a corresponding motor to realize synchronous linkage by taking the real-time main shaft speed signal as a main control reference. According to the invention, traditional mechanical transmission of the velvet cutting machine is changed into intelligent electric control linkage, and full-process, customizable and high-precision electronic tension control and speed synchronization of the velvet cutting machine are realized, so that the technological adaptability, production quality and operation experience of velvet cutting machine equipment are comprehensively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cutting machine, in particular to a cutting machine with electric control linkage tension and an electric control linkage method thereof. BACKGROUND

[0002] At present, the transmission control system of the cutting machine on the market is a mechanical transmission control structure, which controls the transmission cutting of the base cloth through a series of gear chain structures. However, the flexibility of the gear chain structure to control the feeding amount will be greatly limited, and it is impossible to achieve stepless adjustment. Moreover, when it is desired to independently adjust the rotating speed of each feeding position, the disassembly and installation are complex.

[0003] During the cutting process of the cutting machine, the control of the tension is extremely important. The tension of the base cloth must be controlled from the unwinding to ensure that the tension of the base cloth before cutting reaches the tight state, so that the pile surface of the base cloth is triangular, the position of the needle is reduced, and the blade can perfectly cut the pile surface. The tension requirements of base cloth of different sizes and thicknesses for cutting are not consistent.

[0004] The existing cutting machine relies on a stinger roller to pull and drag the whole base cloth. With the hard friction between the stinger roller and the base cloth, the base cloth is easily damaged. When the cutting base cloth gradually shrinks, the tension of the whole machine will also decrease. When the tension fails to meet the requirements of cutting, the needle is easy to pierce the base cloth, resulting in defects. With the progress of the times, various types of base cloth have different sizes and lengths. The existing gear chain type transmission cutting machine cannot meet the market demand. SUMMARY

[0005] The present application aims to provide a cutting machine with electric control linkage tension to overcome the defects in the prior art. The space utilization and loading capacity when loading bulk materials are effectively improved. The long-term problem that materials cannot fill the corner area due to natural accumulation in the traditional loading method is solved, the loading capacity is maximized, the whole machine structure is simple and reliable, the manufacturing cost is low, no complex control system or large-scale modification of the existing conveying line is required, the high-efficiency throwing function is realized, excellent engineering practicality and economy are achieved, good structural rigidity, heat dissipation performance and durability are achieved, and the effect of ensuring the wide adaptability of the system is achieved.

[0006] To achieve the above purpose, the technical solution adopted by the present application is: a cutting machine with electric control linkage tension, comprising an unwinding mechanism, a tension transition device, a cutting mechanism, a needle guide mechanism, a main shaft mechanism, a pulling mechanism and a winding mechanism arranged in sequence along the running direction of the base cloth, and an electronic control system for controlling the coordinated operation of the mechanisms. The electronic control system comprises a PLC controller, an HMI human-machine exchange page, an encoder, a signal distributor and a bus communication system. The HMI man-machine exchange page is in communication connection with the PLC controller, and is used for setting operation parameters; The encoder is synchronously connected with a main shaft motor of the main shaft mechanism, and is used for collecting a main shaft speed signal in real time; An input end of the signal distributor is connected with the encoder, one output end of the signal distributor is connected to the PLC controller, and the other output end of the signal distributor is connected to a pay-off servo controller, a pulling servo controller, a winding servo controller and a cam servo controller in parallel; The PLC controller is in communication connection with the pay-off servo controller, the pulling servo controller, the winding servo controller, the cam servo controller and a cutter shaft frequency converter through the bus communication system; The PLC controller sends a speed setting instruction to each controller and frequency converter through the bus communication system based on parameters set by the HMI man-machine exchange page and a speed signal fed back by the encoder; Each controller and frequency converter simultaneously receives the speed setting instruction from the bus communication system and a real-time main shaft speed signal from the signal distributor, and drives corresponding pay-off servo motor, pulling servo motor, winding servo motor, cam servo motor and cutter shaft motor to realize synchronous linkage with the main shaft motor based on the real-time main shaft speed signal as a main control reference.

[0007] Further, the electronic control system further comprises an electric cabinet, the PLC controller, the signal distributor, the bus communication system, the pay-off servo controller, the pulling servo controller, the winding servo controller, the cam servo controller and the cutter shaft frequency converter are integrally installed in the electric cabinet; and the encoder is synchronously rotated with a driving roller support shaft of the main shaft mechanism through an encoder synchronous belt, an encoder synchronous wheel one and an encoder synchronous wheel two.

[0008] Further, the tension transition device comprises a magnetic powder clutch, a magnetic powder controller, a tension tensioning seat and six tension driven rollers; The magnetic powder clutch drives the tension driven roller one, the tension driven roller two and the tension driven roller three to synchronously rotate through a tension synchronous belt one; the magnetic powder controller is electrically connected with the magnetic powder clutch and adjusts the damping of the magnetic powder clutch; the tension tensioning seat is provided with a tension screw and tensions the tension synchronous belt one.

[0009] Further, the pay-off mechanism comprises a pay-off driven roller one, a pay-off driven roller two and a pay-off driven roller three; The pay-off servo motor drives the pay-off driven roller one through a pay-off speed reducer and a pay-off double-row chain; The pay-off driven roller three is assembled to be capable of ascending and descending with the change of the fabric tension through a pay-off single-row chain and a pay-off gear one at two ends.

[0010] Further, the main shaft mechanism comprises a gear box, a main shaft driving roller, a main shaft driven roller one and a main shaft driven roller two. The main shaft driving roller and the main shaft driven roller one are synchronously driven through the main shaft gear one, the main shaft gear two and the main shaft gear three in the gear box; the main shaft driven roller two is elastically pressed against the main shaft driving roller through the main shaft spring and the main shaft screw one.

[0011] Further, the pulling mechanism comprises a pulling driven roller one and a pulling driven roller two; the pulling driven roller two is elastically pressed against the pulling driven roller one through the tension bearing seat and the pulling spring; the pulling servo motor drives the pulling driven roller one through the pulling speed reducer and the pulling synchronous belt.

[0012] Further, the winding mechanism comprises a winding driven roller one and a winding driven roller two; the winding servo motor drives the winding driven roller one through the winding speed reducer and the winding double-chain one; the winding driven roller one and the winding driven roller two are synchronously rotated through the winding double-chain two; the winding mechanism is further provided with a chain tensioning structure composed of a presser wheel fixing seat and a winding presser wheel.

[0013] Further, the cutting mechanism comprises a cutter shaft, a cutter blade, a cutter shaft motor, movable left and right cutter seats and a cutting presser wheel seat; the cutter shaft motor drives the cutter shaft to rotate through a V-belt; the cutting presser wheel seat is provided with a cutting presser wheel and adjusts the tightness of the V-belt.

[0014] Further, the needle guiding mechanism comprises a cam servo motor, a cam shaft, a cam, a slider pin seat, a needle spring and a needle; the cam servo motor drives the cam shaft and the cam fixed thereon to rotate through a planetary speed reducer and a needle coupling; the slider pin seat is provided with a roller matched with the cam curve and drives the needle to make reciprocating motion under the action of the needle spring; the slider pin seat is provided with wear-resistant plates on the front and rear surfaces.

[0015] An electric control linkage method of a cutting machine with electric control linkage tension, S1, parameter setting: setting running parameters of the PLC controller through the HMI man-machine exchange page, the running parameters including the unwinding amount of the unwinding servo motor, the pulling amount of the pulling servo motor, the winding amount of the winding servo motor and the needle movement frequency of the cam servo motor; S2, signal acquisition and distribution: start the main shaft main motor, acquire the speed pulse signal of the main shaft in real time through the encoder mechanically rigidly connected thereto, and send the signal to the signal distributor; the signal distributor distributes the speed pulse signal to the unwinding servo controller, the pulling servo controller, the winding servo controller and the cam servo controller in parallel and synchronously; S3, instruction issuing and cooperative calculation: the PLC controller receives the main shaft speed signal from the encoder, and based on the running parameters set by the HMI human-computer exchange page, executes sending the speed setting instructions with specific proportional relationship calculated based on the main shaft speed to the unwinding servo controller, the pulling servo controller, the winding servo controller and the cam servo controller respectively through the bus communication system, and sends the independently set tool shaft speed instruction to the tool shaft frequency converter; S4, synchronous linkage and tension control: the unwinding servo controller simultaneously receives the speed setting instruction from the bus communication system and the real-time main shaft speed pulse signal from the signal distributor, and takes the pulse signal as the main frequency reference to drive the unwinding servo motor to operate, so that the unwinding mechanism maintains constant fabric sending tension; the pulling servo controller simultaneously receives the speed setting instruction from the bus communication system and the real-time main shaft speed pulse signal from the signal distributor, and takes the pulse signal as the main frequency reference to drive the pulling servo motor to operate, so that the pulling mechanism matches the fabric sending speed of the main shaft mechanism; The winding servo controller simultaneously receives the speed setting instruction from the bus communication system and the real-time main shaft speed pulse signal from the signal distributor, and takes the pulse signal as the main frequency reference to drive the winding servo motor to operate, so that the winding mechanism realizes constant tension winding; the cam servo controller simultaneously receives the speed setting instruction from the bus communication system and the real-time main shaft speed pulse signal from the signal distributor, and takes the pulse signal as the main frequency reference to drive the cam servo motor to operate, so that the needle guide mechanism realizes linkage of the needle guide reciprocating frequency with the main shaft speed; S5, system coordination: through the above steps, the movements of the unwinding, pulling, winding and needle guide mechanisms are all based on the speed of the main shaft main motor to realize electrically controlled linkage and stable control of the fabric tension in the whole process.

[0016] The application discloses a structure and method for realizing synchronous linkage of a main shaft main motor and corresponding unwinding servo motor, pulling servo motor, winding servo motor, cam servo motor and cutter shaft motor, and achieves intelligent electric control linkage of a cutting pile machine from traditional mechanical transmission, realizes work whole process, customizable, high-precision electronic tension control and speed synchronization of the cutting pile machine, and thus comprehensively improves process adaptability, production quality and operation experience of the cutting pile machine. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0018] Figure 1 、 Figure 2 and Figure 3 is a structure schematic diagram of the unwinding mechanism of the present application.

[0019] Figure 4 、 Figure 5 and Figure 6 is a structure schematic diagram of the tension transition device of the present application; Figure 7 is a structure schematic diagram of the cutting pile mechanism of the present application; Figure 8 and Figure 9 is a schematic diagram of the needle guide mechanism structure of the present application; Figure 10 , Figure 11 , Figure 12 and Figure 13 is a schematic diagram of the spindle mechanism structure of the present application; Figure 14 , Figure 15 and Figure 16 is a schematic diagram of the pulling mechanism structure of the present application; Figure 17 , Figure 18 and Figure 19 is a schematic diagram of the winding mechanism structure of the present application; Figure 20 , Figure 21 and Figure 22 is a schematic diagram of the electronic control system structure of the present application; Figure 23 and Figure 24 is a schematic diagram of the structure distribution controlled by the encoder of the present application.

[0020] Reference signs: 1, the first driven roll of unwinding; 2, the second driven roll of unwinding; 3, the third driven roll of unwinding; 4, the cloth passing roll of unwinding; 5, the shaft head roll of unwinding; 6, the first gear of unwinding; 7, the second gear of unwinding; 8, the double-row chain of unwinding; 9, the speed reducer of unwinding; 10, the fixed seat of the speed reducer of unwinding; 11, the servo motor of unwinding; 12, the single-row chain of unwinding; 13, the angle iron of unwinding; 14, the bearing of the belt seat of unwinding; 15, the left roll seat of unwinding; 16, the right roll seat of unwinding; 17, the first bearing of unwinding; 18, the second bearing of unwinding; 19, the left wallboard; 20, the right wallboard; 21, the first bearing of the belt seat of tension; 22, the second bearing of the belt seat of tension; 23, the first driven roll of tension; 24, the second driven roll of tension; 25, the third driven roll of tension; 26, the fourth driven roll of tension; 27, the fifth driven roll of tension; 28, the sixth driven roll of tension; 29, the first synchronous belt of tension; 30, the second synchronous belt of tension; 31, the tensioning seat of tension; 32, the screw of tension; 33, the first synchronous pulley of tension; 34, the second synchronous pulley of tension; 35, the magnetic powder clutch; 36, the fixed plate of magnetic powder; 37, the sleeve of tension; 38, the controller of magnetic powder; 39, the electrical housing; 40, the left knife seat; 41, the right knife seat; 42, the knife shaft; 43, the blade; 44, the first bearing of cutting pile; 45, the coupling of cutting pile; 46, the coupling seat of cutting pile; 47, the second bearing of cutting pile; 48, the needle rest table; 49, the first pulley of cutting pile; 50, the second pulley of cutting pile; 51, the V-belt; 52, the motor of knife shaft; 53, the motor mounting plate of cutting pile; 54, the pressure roller seat of cutting pile; 55, the third bearing of cutting pile; 56, the pressure roller of cutting pile; 57, the pressure roller shaft; 58, the cam servo motor; 59, the planetary reducer; 60, the coupling of guide needle; 61, the coupling seat of guide needle; 62, the bearing of guide needle; 63, the left bearing seat; 64, the right bearing seat; 65, the rotating support shaft of cam; 66, the cam shaft; 67, the nut of guide needle; 68, the left fixed plate of cam; 69, the right fixed plate of cam; 70, the slide pin seat; 71, the wear-resistant plate; 72, the roller; 73, the pin shaft; 74, the spring of guide needle; 75, the striker; 76, the needle rest plate; 77, the guide needle; 78, the cam; 79, the main motor of main shaft; 80, the speed reducer of main shaft; 81, the support shaft of main driven roll of main shaft; 82, the first gear of main shaft; 83, the second gear of main shaft; 84, the third gear of main shaft; 85, the gear box; 86, the fixed angle iron of gear box; 87, the first bearing of main shaft; 88, the main driven roll of main shaft; 89, the first driven roll of main shaft; 90, the second driven roll of main shaft; 91, the support shaft of driven roll; 92, the bearing seat of lower pulling roll; 93, the second bearing of main shaft; 94, the third bearing of main shaft; 95, the support block of pulling; 96, the spring of main shaft; 97, the first screw of main shaft; 98, the second screw of main shaft; 99, the nut of main shaft; 100, the special-shaped gasket; 101, the fixed seat of speed reducer of main shaft; 102, the left fixed plate of pulling; 103, the fourth bearing of main shaft; 104, the fourth screw of main shaft; 105, the support seat of cloth passing roll; 106, the bearing seat of tension; 107, the spring of pulling; 108, the fixed block of compression spring; 109, the left winding crossbeam; 110, the right winding crossbeam; 111, the mounting plate of speed reducer of pulling.112, pull deceleration machine fixed seat; 113, pull deceleration machine; 114, pull servo motor; 115, pull synchronous wheel one; 116, pull synchronous wheel two; 117, pull sleeve; 118, check ring; 119, pull driven roller one; 120, pull driven roller two; 121, pull bearing; 122, pull belt seat bearing; 123, pull synchronous belt; 124, winding servo motor; 125, winding deceleration machine; 126, winding deceleration machine support; 127, winding double-row chain one; 128, sprocket; 129, pressure roller fixed seat; 130, winding pressure roller; 131, winding bearing; 132, winding driven roller one; 133, winding driven roller two; 134, winding box left; 135, winding box right; 136, winding belt seat bearing; 137, winding double-row chain two; 138, HMI man-machine exchange page; 139, PLC controller; 140, bus communication system; 141, signal distributor; 142, encoder; 144, encoder synchronous belt; 145, encoder synchronous wheel one; 146, encoder synchronous wheel two; 147, electric cabinet; 149, cutter shaft frequency converter; 150, unwinding servo controller; 151, pull servo controller; 152, winding servo controller; 153, cam servo controller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments of the present application.

[0022] In the description of the present application, it should be noted that the orientation or position relationship indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] A cutting machine with electric control linkage tension, as shown in Figures 1-24 includes unwinding mechanism, tension transition device, cutting mechanism, needle guide mechanism, main shaft mechanism, pulling mechanism and winding mechanism arranged in turn along the running direction of the base cloth, and an electronic control system for controlling the coordinated operation of each mechanism; The electronic control system includes a PLC controller 139, an HMI man-machine exchange page 138, an encoder 142, a signal distributor 141 and a bus communication system 140; The HMI man-machine exchange page 138 is in communication connection with the PLC controller 139, and is used for setting operation parameters; The encoder 142 is synchronously connected with the main shaft main motor 79 of the main shaft mechanism, and is used for collecting the main shaft speed signal in real time; The input end of the signal distributor 141 is connected with the encoder 142, one output end of the signal distributor 141 is connected to the PLC controller 139, and the other output end is connected to the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152 and the cam servo controller 153 in parallel; The PLC controller 139 is communicatively connected with the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152, the cam servo controller 153 and the knife shaft frequency converter 149 through the bus communication system 140; The PLC controller 139 sends the speed setting instruction to each controller and frequency converter through the bus communication system 140 based on the parameters set by the HMI man-machine exchange page 138 and the speed signal fed back by the encoder 142; Each controller and frequency converter simultaneously receives the speed setting instruction from the bus communication system 140 and the real-time main shaft speed signal from the signal distributor 141, and drives the corresponding unwinding servo motor 11, pulling servo motor 114, winding servo motor 124, cam servo motor 58 and knife shaft motor 52 to realize synchronous linkage with the main shaft main motor 79, taking the real-time main shaft speed signal as the main control reference.

[0024] Specifically, the cutting machine includes unwinding mechanism, tension transition device, cutting mechanism, needle guide mechanism, spindle mechanism, pulling mechanism and winding mechanism arranged in sequence along the running direction of the base cloth, and is uniformly and coordinately controlled by an electronic control system, the hardware of the electronic control system mainly includes PLC controller 139, HMI man-machine exchange page 138, encoder 142, signal distributor 141 and bus communication system 140, the operating personnel sets various operation parameters through the HMI man-machine exchange page 138, and the parameters are sent to the PLC controller 139. After the system starts, the main shaft main motor 79 of the main shaft mechanism starts to operate, and the encoder 142 mechanically rigidly connected thereto collects the speed pulse signal of the main shaft in real time. The signal is immediately sent to the signal distributor 141, which divides it into multiple paths, one of which is fed back to the PLC controller 139 for logical operation, and the other is directly distributed to four key motion controllers in parallel and synchronously: the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152 and the cam servo controller 153. At the same time, the PLC controller 139 sends respective speed setting instructions to the above-mentioned four servo controllers and the cutter shaft frequency converter 149 controlling the cutter shaft motor 52 through the bus communication system 140 according to the preset parameters and the real-time main shaft speed. Thus, the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152 and the cam servo controller 153 simultaneously receive two signals: one is the speed setting instruction from the bus communication system 140, and the other is the real-time main shaft speed pulse signal from the signal distributor 141. Each servo controller takes the real-time main shaft speed pulse signal as the main frequency reference to drive the corresponding unwinding servo motor 11, pulling servo motor 114, winding servo motor 124 and cam servo motor 58, so that the movements of the four mechanisms are strictly electronically hard-synchronized with the main shaft main motor 79. At the same time, the cutter shaft frequency converter 149 receives the speed setting instruction issued through the bus communication system 140 to control the cutter shaft motor 52 to start and operate at the required speed according to the process, but its speed is not directly controlled by the main shaft pulse signal. Compared with the prior art, the technical scheme creatively adopts a two-level control architecture, distributes the main shaft speed pulse signal collected by the encoder 142 to each servo controller in parallel through the signal distributor 141, establishes a hardware synchronization channel independent of the bus communication system 140, so that each motion shaft can follow the change of the main shaft at a very high response speed, realizes electronic linkage, replaces the traditional complex and rigid gear chain mechanical transmission system, and solves the technical problems of non-step adjustment and independent adjustment difficulty.And the electronic control system realizes the whole process accurate electric control of the cloth tension, from the unwinding, through the tension transition zone, to the pulling and winding, every link servo motor maintains the accurate speed ratio relationship with the operation of the main shaft, so as to ensure that no matter how the cloth roll size changes, the system can maintain the constant ideal cutting pile tension, effectively avoids the quality problem of the needle punching through the cloth due to insufficient tension, or the damage of the cloth surface due to the excessive tension and hard friction, significantly improves the quality and adaptability of the cutting pile product, and can meet the cutting pile demand of various sizes of cloth on the market.

[0025] As a preferred embodiment of the above, as shown in Figures 1-24 The electronic control system further comprises an electric cabinet 147, the PLC controller 139, the signal distributor 141, the bus communication system 140, the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152, the cam servo controller 153 and the knife shaft frequency converter 149 are all integrated and installed in the electric cabinet 147; the encoder 142 realizes the synchronous operation with the driving roller support shaft 81 of the main shaft mechanism through the encoder synchronous belt 144, the encoder synchronous wheel one 145 and the encoder synchronous wheel two 146.

[0026] Specifically, a dedicated electrical cabinet 147 is added to highly integrate the core control components. Specifically, the PLC controller 139, signal distributor 141, the backbone network of the bus communication system 140, the unwinding servo controller 150, the traction servo controller 151, the rewinding servo controller 152, the cam servo controller 153, and the cutter shaft frequency converter 149 are all centrally installed inside this cabinet 147. This layout makes the entire electrical system very compact, facilitating unified installation, commissioning, and subsequent maintenance. Regarding signal acquisition, the encoder 142 is not directly connected to the main spindle motor 79, but rather linked to the main drive shaft through a specific mechanical transmission mechanism. Specifically, an encoder synchronous pulley 146 is mounted on the drive roller support shaft 81 of the main spindle mechanism, and an encoder synchronous pulley 145 is mounted on the input shaft of the encoder 142; the two are connected by an encoder synchronous belt 144. When the drive roller support shaft 81 rotates, the mechanical speed is precisely transmitted to the encoder 142 through this synchronous belt pulley mechanism, thus achieving strict synchronization between the encoder 142 and the main shaft, providing a stable and reliable reference speed signal for the entire system. This preferred solution integrates all core controllers and frequency converters into the electrical cabinet 147, achieving a high degree of modularity and standardization of the electronic control system. This not only significantly simplifies the wiring complexity of the entire machine and reduces the impact of external interference on sensitive electronic equipment, improving the system's anti-interference and reliability, but also facilitates production and maintenance, demonstrating excellent industrial design value. Furthermore, the encoder 142 is linked to the drive roller support shaft 81 through a specific mechanical connection method involving the encoder synchronous belt 144, encoder synchronous pulley one 145, and encoder synchronous pulley two 146. Compared to other possible connection methods, this rigid transmission connection is more reliable, ensuring the real-time and accurate acquisition of speed signals and avoiding potential slippage or signal lag problems. This guarantees the control accuracy of the subsequent synchronous linkage of all servo units from the source, laying a solid and accurate signal foundation for the entire electronically controlled tension system.

[0027] As a preferred embodiment of the above, such as Figures 1-23 As shown, the tension transition device includes a magnetic powder clutch 35, a magnetic powder controller 38, a tension tensioning seat 31, and six tension driven rollers; The magnetic powder clutch 35 drives the tension driven rollers 23, 24, and 25 to rotate synchronously via the tension synchronous belt 29. The fabric then passes around the tension driven rollers 26, 27, and 28 to form a specific wrapping angle path. The magnetic powder controller 38 is electrically connected to the magnetic powder clutch 35 and adjusts its damping. The tension tensioning seat 31 is equipped with a tension screw 32 and tensions the tension synchronous belt 29.

[0028] Specifically, by including the magnetic powder clutch 35, the magnetic powder controller 38, the tension tension seat 31 and the six tension driven rollers, the magnetic powder clutch 35 as the core driving component, its output drives the tension driven roller one 23, the tension driven roller two 24 and the tension driven roller three 25 through the tension synchronous belt one 29, so that the three driven rollers keep synchronous rotation, and the fabric then passes through the tension driven roller four 26, the tension driven roller five 27 and the tension driven roller six 28, forming a specific wrap angle path to increase the contact area and stability. The magnetic powder controller 38 is electrically connected with the magnetic powder clutch 35, and the operator can accurately adjust the excitation current of the magnetic powder clutch 35 through the magnetic powder controller 38, so as to steplessly change the output damping and transmission torque of the magnetic powder clutch 35. In order to ensure the reliability of transmission, the device is provided with the tension tension seat 31, and by rotating the tension screw 32 thereon, the tightness of the tension synchronous belt one 29 can be adjusted to prevent slipping and ensure effective power transmission. The preferred scheme creatively introduces the magnetic powder clutch 35, which is controlled by the magnetic powder controller 38, into the cutting pile process, realizes stepless, accurate and flexible electric control adjustment of the fabric tension through the tension driven roller group, constitutes a key link of segmented electronic tension control, so that the system can flexibly adapt to the specific requirements of different materials and different thicknesses of the fabric on the pre-cutting tension, solves the technical problems of limited range and slow response of the traditional mechanical structure tension adjustment. Moreover, through the electric control adjustment of the magnetic powder controller 38, the operation is simple and the response speed is fast, which can compensate the tension fluctuation caused by the change of fabric roll diameter and other factors in real time, ensure that the fabric tension in the area from unwinding to cutting is always in the best set state, provide a stable prerequisite for subsequent high-quality cutting, and effectively avoid uneven pile surface or fabric damage caused by improper tension. Furthermore, the cooperation of the tension tension seat 31 and the tension screw 32 provides a simple and reliable synchronous belt tensioning maintenance structure, which ensures the long-term stability of the power transmission of the magnetic powder clutch 35, thereby maintaining the consistency of the tension control.

[0029] As a preferred embodiment of the above embodiment, as shown in Figures 1-24 The unwinding mechanism includes the unwinding driven roller one 1, the unwinding driven roller two 2 and the unwinding driven roller three 3; The unwinding servo motor 11 drives the unwinding driven roller one 1 through the unwinding speed reducer 9 and the unwinding double-row chain 8; The unwinding driven roller three 3 is assembled to be lifted with the change of fabric tension through the unwinding gear one 6 at both ends and the unwinding single-row chain 12.

[0030] Specifically, by including unwinding driven roller one 1, unwinding driven roller two 2 and unwinding driven roller three 3. The power is provided by the unwinding servo motor 11, which in turn passes through the unwinding reducer 9 and the unwinding double chain 8, and transmits power to the unwinding driven roller one 1, which acts as the main driven roller. The two ends of the unwinding driven roller three 3 are provided with unwinding gear one 6, which is engaged with the unwinding single chain 12 fixed on the frame, so that the unwinding driven roller three 3 is assembled in a vertically movable slide, which can automatically rise and fall according to the actual change of the cloth tension. The preferred embodiment realizes an automatic adaptive constant tension unwinding. When the unwinding servo motor 11 drives the unwinding driven roller one 1 to send out the cloth, the unwinding driven roller three 3 bears the tension due to the friction between the cloth and the unwinding cloth roller 4. If the tension increases, the unwinding driven roller three 3 will be driven by the cloth, and the unwinding gear one 6 at both ends will rise synchronously along the unwinding single chain 12 until it abuts against the upper cloth, and the tension fluctuation is balanced and buffered by its own weight. This mechanical self-adaptive structure can effectively compensate for the change in tension caused by the continuous reduction of the diameter of the cloth roll, ensuring that the subsequent process provides relatively stable cloth tension from the beginning of unwinding. Moreover, in combination with the unwinding servo controller 150 and the unwinding servo motor 11 in the electronic control system, the mechanism constitutes a quick-response and accurate-control unwinding unit, changing the rigid mode of traditional pure mechanical transmission. Through the integration of electrical control and mechanical self-adaptive structure, the flexible management of unwinding tension is realized, laying a solid foundation for high-precision electric control linkage tension in the entire cutting process, thereby effectively avoiding the adverse effects of uneven unwinding on the final cutting quality.

[0031] As a preferred embodiment of the above, as shown in Figures 1-24 The main shaft mechanism includes a gear box 85, a main shaft driving roller 88, a main shaft driven roller one 89 and a main shaft driven roller two 90. The main shaft driving roller 88 and the main shaft driven roller one 89 are synchronously driven through the main shaft gear one 82, the main shaft gear two 83 and the main shaft gear three 84 in the gear box 85; the main shaft driven roller two 90 is elastically pressed on the main shaft driving roller 88 through the lower pull roller bearing seat 92, the main shaft spring 96 and the main shaft screw one 97.

[0032] Specifically, the main shaft mechanism includes a gear box 85, a main shaft driving roller 88, a main shaft driven roller one 89 and a main shaft driven roller two 90. The main shaft driving roller 88 and the main shaft driven roller one 89 are precisely synchronously driven by a gear train composed of a main shaft gear one 82, a main shaft gear two 83 and a main shaft gear three 84 enclosed in the gear box 85, ensuring that the linear speeds of the two are completely consistent. The main shaft driven roller two 90 is stably pressed against the surface of the main shaft driving roller 88 by an elastic component composed of a lower pull roller bearing seat 92, a main shaft spring 96 and a main shaft screw one 97, forming a flexible clamping area. The preferred embodiment provides rigid synchronous assurance for the main shaft driving roller 88 and the main shaft driven roller one 89 through the gear train in the gear box 85, serving as a mechanical reference for all electronic linkage speed calculations and ensuring the accuracy of the cloth feeding basis. An elastic cloth pressing structure is also adopted, which is provided with pressure by the main shaft spring 96. The main shaft driven roller two 90 uniformly presses the cloth against the main shaft driving roller 88 under the action of the main shaft spring 96, enabling the cloth to be synchronously conveyed without slippage between the cloth and the driving roller. This completely changes the problem of traditional taker-in rollers easily damaging the bottom surface of the cloth due to hard friction traction, achieving soft and accurate cloth feeding and significantly reducing defects caused by mechanical damage, thereby improving product quality. The mechanism serves as the source of the encoder 142 signal in the electronic control system and the speed reference of the entire linkage system, and its stable mechanical performance and flexible cloth feeding method guarantee the electrically controlled linkage tension throughout the entire process.

[0033] As a preferred embodiment of the above-mentioned embodiment, as shown in Figures 1-24 the pulling mechanism includes a pulling driven roller one 119 and a pulling driven roller two 120; the pulling driven roller two 120 is elastically pressed against the pulling driven roller one 119 by a tension bearing seat 106 and a pulling spring 107; and the pulling servo motor 114 drives the pulling driven roller one 119 through a pulling speed reducer 113 and a pulling synchronous belt 123.

[0034] Specifically, the pulling mechanism is arranged at the rear section of the cutting process, mainly responsible for smoothly pulling the completed cutting of the fabric to the winding mechanism, and its core components include pulling driven roller one 119 and pulling driven roller two 120. The pulling driven roller two 120 is continuously pressed on the pulling driven roller one 119 through the elastic system composed of the tension bearing seat 106 and the pulling spring 107, and a flexible clamping point is formed between the two for holding the fabric. The power is provided by the pulling servo motor 114, which is speed-regulated by the pulling speed reducer 113 and accurately transmits power to the pulling driven roller one 119 through the pulling synchronous belt 123, so that it becomes the main traction roller. The preferred embodiment realizes flexible pulling of the fabric. The pulling driven roller two 120 can adaptively press the fabric through the elastic pressure provided by the pulling spring 107, avoiding the pressure injury or scratch on the surface of the fabric caused by traditional hard contact, especially suitable for processing sensitive fabrics after cutting. Moreover, the mechanism is deeply integrated with the electronic control system, and the core driving unit pulling servo motor 114 is directly controlled by the pulling servo controller 151. This makes the pulling speed of the pulling mechanism strictly follow the spindle speed signal detected by the encoder 142 and distributed by the signal distributor 141, while receiving the speed fine-tuning instructions issued by the PLC controller 139 through the bus communication system 140. The electric control linkage ensures that the pulling speed is accurately matched with the spindle fabric feeding speed and the front process, effectively preventing the fabric from relaxing or over-tightening between the cutting area and the pulling area due to different speeds, which constitutes the last link of the whole process precise tension control and guarantees the quality of the final winding.

[0035] As a preferred embodiment of the above, as shown in Figures 1-24 The winding mechanism includes winding driven roller one 132 and winding driven roller two 133; the winding servo motor 124 drives the winding driven roller one 132 through the winding speed reducer 125 and the winding double-chain one 127; the winding driven roller one 132 and the winding driven roller two 133 are synchronously rotated through the winding double-chain two 137; and the winding mechanism is also provided with a chain tensioning structure composed of the pressure roller fixed seat 129 and the winding pressure roller 130.

[0036] Specifically, the finished grey fabric is neatly rolled by the winding mechanism, the core of which includes winding driven roller one 132 and winding driven roller two 133. The power is provided by winding servo motor 124, which drives winding driven roller one 132 to rotate through winding reducer 125 after speed regulation, and winding double chain one 127. Winding driven roller one 132 and winding driven roller two 133 are connected by winding double chain two 137 to ensure synchronous rotation of the two rollers and complete the cloth winding action together. In order to ensure the long-term stability and reliability of chain transmission, the mechanism is also provided with chain tensioning structure composed of pressure roller fixing seat 129 and winding pressure roller 130, which continuously presses on winding double chain two 137 to effectively prevent chain slack and jumping due to wear. The preferred embodiment realizes the electrification and synchronization of the winding process. Winding servo motor 124 as a direct driving source, its operation is accurately controlled by winding servo controller 152. The controller receives spindle speed pulse signals distributed by signal distributor 141 and speed instructions issued by PLC controller 139 through bus communication system 140, so that the winding speed can be strictly synchronized with the main machine speed and the speed of the front pulling mechanism. This electric control linkage ensures the speed matching of the whole process from unwinding, pulling to winding. Moreover, the double rollers are mechanically synchronized through chains, combined with independent chain tensioning structure, which constitutes a simple, durable and reliable mechanical execution end, ensuring that even in the working condition of changing winding diameter, the two winding rollers can stably and uniformly apply winding force to the grey fabric, effectively avoiding the quality problems of uneven winding, loose and tight, and finally realizing high-quality winding with constant tension.

[0037] As a preferred embodiment of the above, as shown in Figures 1-24 The cutting mechanism includes cutter shaft 42, cutter blade 43, cutter shaft motor 52, movable left cutter seat 40 and right cutter seat 41, and cutting presser foot seat 54; cutter shaft motor 52 drives cutter shaft 42 to rotate through V-belt 51; cutting presser foot seat 54 is provided with cutting presser foot 56 and adjusts the tightness of V-belt 51.

[0038] Specifically, the cutting mechanism is the core component for performing the cutting function, mainly including a cutter shaft 42, a cutter blade 43 mounted on the cutter shaft, a cutter shaft motor 52 for providing power, a left cutter seat 40 and a right cutter seat 41 that can move horizontally, and a cutting presser wheel seat 54 for tensioning. The cutter shaft motor 52 transmits power to the cutter shaft 42 through a V-belt 51, drives the cutter shaft 42 to rotate at a high speed, and thus drives the cutter blade 43 to complete the cutting work. The left cutter seat 40 and the right cutter seat 41 support the cutter shaft 42 together, and they are assembled on a movable base, so that the entire cutter shaft assembly can move forward and backward as a whole to accurately adjust the cutting distance between the cutter blade 43 and the needle rest table 48. In addition, the cutting presser wheel seat 54 is provided with a cutting presser wheel 56, and by adjusting the position of the presser wheel, appropriate pressure can be applied to the driving V-belt 51 to adjust the tightness thereof, so as to ensure the efficiency and stability of power transmission. The movable left cutter seat 40 and the movable right cutter seat 41 can flexibly and accurately adjust the position of the cutter blade 43, so that one device can quickly adapt to different specifications and models of cutter blades and different cutting process requirements, greatly enhancing the versatility and process adaptability of the device. Moreover, the independent cutting presser wheel seat 54 and the cutting presser wheel 56 constitute a simple and effective belt tensioning mechanism, which overcomes the problem of tightness change of the V-belt 51 caused by adjusting the position of the cutter seat, can maintain the optimal working state of the transmission system at any time, ensures the stable transmission of cutting power, and prolongs the service life of the V-belt 51 and the motor. Thirdly, the cutter shaft inverter 149 independently controls the cutter shaft motor 52, and this configuration allows the cutting speed to be steplessly adjusted within a certain range to meet the optimal cutting speed requirements of different material cloths, thereby ensuring the cutting quality while providing higher operation flexibility.

[0039] As a preferred embodiment of the above-mentioned embodiment, as shown in Figures 1-24 The needle guide mechanism includes a cam servo motor 58, a cam shaft 66, a cam 78, a slider pin seat 70, a needle guide spring 74, and a needle guide 77; the cam servo motor 58 drives the cam shaft 66 and the cam 78 fixed thereon to rotate through a planetary reducer 59 and a needle guide coupling 60; the slider pin seat 70 is provided with a roller 72 matched with the curve of the cam 78, and drives the needle guide 77 to reciprocate under the action of the needle guide spring 74; the slider pin seat 70 is provided with wear-resistant plates 71 on the front and rear surfaces.

[0040] Specifically, the needle guide movement is controlled by a needle guide mechanism, the core components of which include a cam servo motor 58, a cam shaft 66, a cam 78, a slider pin seat 70, a needle guide spring 74, and a needle guide 77. The cam servo motor 58 serves as a power source, and its output is transmitted to the cam shaft 66 through the needle guide coupling 60 after being increased in torque and reduced in speed by the planetary reducer 59, driving the cam 78 fixed on the shaft to rotate accurately. The slider pin seat 70 is installed with a roller 72, which is always in contact with the profile curve of the cam 78. When the cam 78 rotates, its curve pushes the roller 72 and the entire slider pin seat 70 to move to one side against the elastic force of the needle guide spring 74; when the cam curve turns back, the slider pin seat 70 moves in the opposite direction under the resetting action of the needle guide spring 74, thereby driving the needle guide 77 fixed thereon to make high-speed and accurate reciprocating piercing movement on the needle rest plate 76. In order to enhance the durability of the mechanism, wear-resistant plates 71 are specially installed on the contact surfaces of the slider pin seat 70 before and after movement. The preferred embodiment realizes the electrification and programmable control of the needle guide reciprocating movement. The cam servo motor 58 is directly controlled by the cam servo controller 153, which receives real-time spindle speed pulse signals from the signal distributor 141, ensuring that the movement frequency of the needle guide is strictly synchronized with the speed of the main machine. At the same time, through the PLC controller 139 and the HMI human-computer exchange page 138, the operating parameters of the cam servo motor 58 can be flexibly set and adjusted, thereby steplessly adjusting the reciprocating speed of the needle guide to adapt to different cloth and process requirements, solving the limitation of fixed ratio of traditional mechanical transmission. Moreover, the mechanism adopts a mechanical design combining cam curve and spring resetting, which can realize complex and accurate movement law, ensuring the stability and reliability of the needle guide movement. Furthermore, the application of wear-resistant plates 71 on the slider pin seat 70 directly strengthens the most severely worn parts of the mechanism, significantly reducing the maintenance requirements, prolonging the service life of the equipment under high-speed continuous operation, and improving the stability and economy of the entire machine.

[0041] An electric control linkage method of a cut-pile machine with electric control linkage tension, S1, parameter setting: set operating parameters including the unwinding amount of the unwinding servo motor 11, the pulling amount of the pulling servo motor 114, the winding amount of the winding servo motor 124, and the needle guide movement frequency of the cam servo motor 58 to the PLC controller 139 through the HMI human-computer exchange page 138; S2, signal acquisition and distribution: start the main shaft main motor 79, acquire the speed pulse signal of the main shaft in real time through the encoder 142 which is mechanically rigidly connected with the main shaft, and send the signal to the signal distributor 141; the signal distributor 141 distributes the speed pulse signal to the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152 and the cam servo controller 153 in parallel and synchronously; S3, instruction issuing and cooperative calculation: the PLC controller 139 receives the main shaft speed signal from the encoder 142, and based on the running parameters set on the HMI human-computer exchange page 138, executes the sending of the speed setting instructions with specific proportional relationship calculated based on the main shaft speed to the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152 and the cam servo controller 153 respectively through the bus communication system 140, and sends the independently set blade shaft speed instruction to the blade shaft frequency converter 149; S4, synchronous linkage and tension control: the unwinding servo controller 150 simultaneously receives the speed setting instruction from the bus communication system 140 and the real-time main shaft speed pulse signal from the signal distributor 141, and takes the pulse signal as the main frequency reference to drive the unwinding servo motor 11 to operate, so that the unwinding mechanism maintains constant grey fabric sending tension; the pulling servo controller 151 simultaneously receives the speed setting instruction from the bus communication system 140 and the real-time main shaft speed pulse signal from the signal distributor 141, and takes the pulse signal as the main frequency reference to drive the pulling servo motor 114 to operate, so that the pulling mechanism matches the cloth sending speed of the main shaft mechanism; the winding servo controller 152 simultaneously receives the speed setting instruction from the bus communication system 140 and the real-time main shaft speed pulse signal from the signal distributor 141, and takes the pulse signal as the main frequency reference to drive the winding servo motor 124 to operate, so that the winding mechanism realizes constant tension winding; the cam servo controller 153 simultaneously receives the speed setting instruction from the bus communication system 140 and the real-time main shaft speed pulse signal from the signal distributor 141, and takes the pulse signal as the main frequency reference to drive the cam servo motor 58 to operate, so that the needle guide mechanism realizes the reciprocating motion frequency of the needle guide 77 linked with the main shaft speed; S5, system coordination: through the above steps, the movements of the unwinding, pulling, winding and needle guide mechanisms are all linked with the speed of the main shaft main motor 79 to realize the stable control of the grey fabric tension through the accurate electronic linkage of the cloth sending speed in the whole process.

[0042] Specifically, first, the parameters are set. The operator sets the running parameters including the unwinding amount of the unwinding servo motor 11, the pulling amount of the pulling servo motor 114, the winding amount of the winding servo motor 124, and the needle guide motion frequency of the cam servo motor 58 to the PLC controller 139 through the HMI man-machine exchange page 138. Then, the signal acquisition and distribution stage is entered. After the main shaft main motor 79 is started, the speed pulse signal of the main shaft is acquired in real time through the encoder 142 which is rigidly connected with the main shaft, and the signal is immediately sent to the signal distributor 141. The signal distributor 141 distributes the received speed pulse signal in parallel and synchronously to four key servo controllers: the unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152, and the cam servo controller 153. In the instruction issuing and collaborative calculation stage, the PLC controller 139 also receives the main shaft speed signal from the encoder 142, and comprehensively sets the running parameters of the HMI man-machine exchange page 138, and sends the speed setting instructions with specific proportional relationship to the above-mentioned four servo controllers through the bus communication system 140. The core synchronous linkage and tension control stage is immediately launched. The unwinding servo controller 150, the pulling servo controller 151, the winding servo controller 152, and the cam servo controller 153 simultaneously receive two signals: one is the speed setting instruction from the bus communication system 140, and the other is the real-time main shaft speed pulse signal from the signal distributor 141. Each controller takes the real-time main shaft speed pulse signal as the main frequency reference to drive the corresponding unwinding servo motor 11, pulling servo motor 114, winding servo motor 124, and cam servo motor 58 to operate. This enables the unwinding mechanism to maintain a constant fabric feeding tension, the pulling mechanism to accurately match the fabric feeding speed of the main shaft mechanism, and the winding mechanism to achieve constant tension winding, while the frequency of the reciprocating motion of the needle guide 77 is linked with the main shaft speed. Finally, through system coordination, the motion of the unwinding, pulling, winding, and needle guide mechanisms is realized in electric control linkage with the speed of the main shaft main motor 79 as the unified reference, so that the stable control of the fabric tension is realized through the accurate electronic linkage of the fabric feeding speed in the whole process. Compared with the prior art, the technical scheme of the method creatively constructs a two-level control architecture. The signal distributor 141 distributes the main shaft speed pulse signal acquired by the encoder 142 in parallel and directly to each servo controller, establishing a hardware synchronization channel independent of the bus communication. This design enables the key motion shafts such as unwinding, pulling, winding, and needle guide to follow the changes of the main shaft with extremely high response speed and accuracy, realizing true electronic hard synchronization, and fundamentally replacing the traditional complex, rigid, and non-step adjustable gear chain mechanical transmission system. Moreover, the method realizes the accurate electronic linkage of the fabric feeding speed in the whole cutting process, and realizes the stable control of the fabric tension.Through the above-mentioned cooperative control logic, from the beginning of unwinding, through the intermediate process, until the end of winding, the servo motor of each link maintains an accurate electronic linkage with the operation of the main shaft. This ensures that no matter how the size of the cloth roll changes, the system can automatically maintain a constant ideal cutting tension, effectively solving the long-term technical problem of needle punching through the cloth due to insufficient tension, or damaging the surface of the cloth due to excessive tension and hard friction, significantly improving the quality and adaptability of the cut pile product, and meeting the market demand for cutting various sizes of cloth.

[0043] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A shearing machine with electrically controlled linkage tension, characterized in that: It includes an unwinding mechanism, a tension transition device, a pile cutting mechanism, a needle guide mechanism, a main shaft mechanism, a pulling mechanism, and a winding mechanism arranged sequentially along the direction of fabric running, as well as an electronic control system for controlling the coordinated operation of each mechanism; The electronic control system includes a PLC controller (139), an HMI human-machine interface (138), an encoder (142), a signal distributor (141), and a bus communication system (140). The HMI (Human-Machine Interface) interface (138) is connected to the PLC controller (139) for communication and setting of operating parameters; The encoder (142) is synchronously connected to the main spindle motor (79) of the main spindle mechanism and collects the main spindle speed signal in real time; The input of the signal distributor (141) is connected to the encoder (142), and its output is connected in one way to the PLC controller (139), and in another way to the unwinding servo controller (150), the pulling servo controller (151), the winding servo controller (152), and the cam servo controller (153). The PLC controller (139) is connected to the unwinding servo controller (150), the traction servo controller (151), the winding servo controller (152), the cam servo controller (153), and the cutter shaft frequency converter (149) through the bus communication system (140); The PLC controller (139) sends speed setting commands to each controller and frequency converter through the bus communication system (140) based on the parameters set on the HMI human-machine interface (138) and the speed signal fed back by the encoder (142). Each controller and frequency converter simultaneously receives speed setting instructions from the bus communication system (140) and real-time spindle speed signals from the signal distributor (141), and uses the real-time spindle speed signal as the main control reference to drive the corresponding unwinding servo motor (11), traction servo motor (114), winding servo motor (124), cam servo motor (58) and cutter shaft motor (52) to achieve synchronous linkage with the main spindle motor (79).

2. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The electronic control system also includes an electrical cabinet (147), in which the PLC controller (139), signal distributor (141), bus communication system (140), unwinding servo controller (150), traction servo controller (151), winding servo controller (152), cam servo controller (153) and cutter shaft frequency converter (149) are all integrated and installed. The encoder (142) is synchronized with the active roller support shaft (81) of the main shaft mechanism through the encoder synchronous belt (144), encoder synchronous pulley one (145) and encoder synchronous pulley two (146).

3. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The tension transition device includes a magnetic powder clutch (35), a magnetic powder controller (38), a tension tensioning seat (31), and six tension driven rollers; The magnetic powder clutch (35) drives the tension driven rollers 1 (23), 2 (24) and 3 (25) to rotate synchronously via the tension synchronous belt 1 (29). The fabric then passes around the tension driven rollers 4 (26), 5 (27) and 6 (28) to form a specific wrapping angle path. The magnetic powder controller (38) is electrically connected to the magnetic powder clutch (35) and adjusts its damping. The tension tensioning seat (31) is provided with tension screws (32) and tensions the tension synchronous belt 1 (29).

4. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The unwinding mechanism includes an unwinding driven roller one (1), an unwinding driven roller two (2), and an unwinding driven roller three (3); The unwinding servo motor (11) drives the unwinding driven roller (1) through the unwinding reducer (9) and the unwinding double-row chain (8). The unwinding driven roller three (3) is assembled by unwinding gear one (6) at both ends and unwinding single-row chain (12) to be able to rise and fall with the change of fabric tension.

5. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The main shaft mechanism includes a gearbox (85), a main shaft drive roller (88), a main shaft driven roller one (89), and a main shaft driven roller two (90). The main shaft drive roller (88) and the main shaft driven roller one (89) are synchronously driven by the main shaft gear one (82), main shaft gear two (83), and main shaft gear three (84) in the gearbox (85); the main shaft driven roller two (90) is elastically pressed onto the main shaft drive roller (88) by the lower pull roller bearing seat (92), the main shaft spring (96), and the main shaft screw one (97).

6. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The traction mechanism includes a first traction driven roller (119) and a second traction driven roller (120); the second traction driven roller (120) is elastically pressed onto the first traction driven roller (119) by a tension bearing seat (106) and a traction spring (107); the traction servo motor (114) drives the first traction driven roller (119) by a traction reducer (113) and a traction timing belt (123).

7. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The winding mechanism includes a winding driven roller one (132) and a winding driven roller two (133); the winding servo motor (124) drives the winding driven roller one (132) through the winding reducer (125) and the winding double-row chain one (127); the winding driven roller one (132) and the winding driven roller two (133) rotate synchronously through the winding double-row chain two (137); the winding mechanism is also provided with a chain tensioning structure composed of a pressure roller fixing seat (129) and a winding pressure roller (130).

8. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The cutting mechanism includes a cutter shaft (42), a blade (43), a cutter shaft motor (52), a movable left cutter holder (40) and a right cutter holder (41), and a cutting pressure roller seat (54); the cutter shaft motor (52) drives the cutter shaft (42) to rotate via a V-belt (51); the cutting pressure roller seat (54) is provided with a cutting pressure roller (56) and the tension of the V-belt (51) is adjusted.

9. A shearing machine with electrically controlled linkage tension according to claim 1, characterized in that, The guide needle mechanism includes a cam servo motor (58), a camshaft (66), a cam (78), a slider pin seat (70), a guide needle spring (74), and a guide needle (77). The cam servo motor (58) drives the camshaft (66) and the cam (78) fixed thereon to rotate through a planetary reducer (59) and a guide needle coupling (60). The slider pin seat (70) is provided with a roller (72) that is in sync with the curve of the cam (78), and drives the guide needle (77) to reciprocate under the action of the guide needle spring (74). Wear-resistant plates (71) are installed on the front and rear surfaces of the slider pin seat (70).

10. The electrically controlled linkage method for a velvet cutting machine with electrically controlled linkage tension according to claim 1, characterized in that, S1. Parameter setting: Set the operating parameters to the PLC controller (139) through the HMI human-machine interface (138). The operating parameters include the unwinding amount of the unwinding servo motor (11), the pulling amount of the pulling servo motor (114), the winding amount of the winding servo motor (124), and the guide needle movement frequency of the cam servo motor (58). S2. Signal Acquisition and Distribution: Start the main spindle motor (79), and acquire the speed pulse signal of the main spindle in real time through the encoder (142) which is mechanically rigidly connected to it, and send the signal to the signal distributor (141); the signal distributor (141) distributes the speed pulse signal in parallel and synchronously to the unwinding servo controller (150), the traction servo controller (151), the winding servo controller (152), and the cam servo controller (153). S3, Command Issuance and Collaborative Calculation: The PLC controller (139) receives the spindle speed signal from the encoder (142) and, based on the operating parameters set on the HMI human-machine interface (138), executes the following through the bus communication system (140): sending speed setting commands with specific proportional relationships calculated based on the spindle speed to the unwinding servo controller (150), the traction servo controller (151), the winding servo controller (152), and the cam servo controller (153), respectively; and sending independently set tool shaft speed commands to the tool shaft inverter (149); S4. Synchronous Linkage and Tension Control: The unwinding servo controller (150) simultaneously receives the speed setting command from the bus communication system (140) and the real-time spindle speed pulse signal from the signal distributor (141), and drives the unwinding servo motor (11) to operate with the pulse signal as the main frequency reference, so that the unwinding mechanism maintains a constant fabric feeding tension; The tension servo controller (151) simultaneously receives the speed setting command from the bus communication system (140) and the real-time spindle speed pulse signal from the signal distributor (141), and drives the tension servo motor (114) to operate with the pulse signal as the main frequency reference, so that the feeding speed of the tension mechanism matches that of the spindle mechanism; The take-up servo controller (152) simultaneously receives the speed setting command from the bus communication system (140) and the real-time spindle speed pulse signal from the signal distributor (141), and drives the take-up servo motor (124) to operate with the pulse signal as the main frequency reference, so that the take-up mechanism can achieve constant tension winding; the cam servo controller (153) simultaneously receives the speed setting command from the bus communication system (140) and the real-time spindle speed pulse signal from the signal distributor (141), and drives the cam servo motor (58) to operate with the pulse signal as the main frequency reference, so that the reciprocating motion frequency of the guide needle (77) of the guide needle mechanism is linked with the spindle speed; S5. System Coordination: Through the above steps, the movements of the unwinding, pulling, winding and guide needle mechanism are all based on the speed of the main shaft motor (79) to achieve electronic control linkage and stabilize the tension of the fabric throughout the process.

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