An automatic production line for rubber-plastic hose and a control method thereof

Abstract

The application discloses an automatic production line and a control method for rubber and plastic hoses, which comprises a plurality of automatic production units for rubber and plastic hoses and a centralized control system, the centralized control system comprises a centralized control console and a centralized control screen, the centralized control screen is connected with the centralized control console, the centralized control console is connected with the plurality of automatic production units for rubber and plastic hoses respectively, the centralized control console realizes centralized control on the plurality of automatic production units for rubber and plastic hoses, controls the working state of the production line, and the centralized control screen realizes real-time centralized display of production information of the plurality of automatic production units for rubber and plastic hoses; the automatic production unit for rubber and plastic hoses comprises a variable-frequency heating device and an adjustable extrusion mechanism. The variable-frequency heating device is designed in the device, and the variable-frequency heating control method is used to realize stable increase and decrease and maintenance of temperature; the adjustable extrusion mechanism and an extruder die mechanism are designed to automatically adjust the position of an extrusion head, manual intervention is reduced, and productivity is improved.

Description

Technical Field

[0001] This invention relates to the field of rubber and plastic hose production and control, and in particular to an automated production line and control method for rubber and plastic hoses. Background Technology

[0002] Currently, the cooling control precision of hose production lines on the market is not high; there is no automatic adjustment device for the extruder head, and manual adjustment is required when problems occur. For example, a "production line for continuous manufacturing of corrugated hoses" disclosed in Chinese patent literature, with publication number CN108406330B, discloses a production line for continuous manufacturing of corrugated hoses. The key technical point of the solution is that it includes a winding device, which includes a rotating frame and a rotary drive mechanism. The rotating frame includes a winding ring for winding the corrugated hose and a first limiting plate and a second limiting plate respectively disposed at both ends of the winding ring to prevent the corrugated hose from detaching from the winding ring. The winding ring is fixed on the second limiting plate and abuts against the first limiting plate to drive the second limiting plate to rotate synchronously with the first limiting plate. The first limiting plate is coaxially fixed on a rotating shaft driven by the rotary drive mechanism, and the second limiting plate is detachably sleeved on the rotating shaft. While this invention solves the problem of reduced production line efficiency due to the difficulty of winding corrugated hoses in the prior art, it does not solve the problems of low cooling control precision in the production line, lack of automatic extrusion head adjustment device, and the need for manual adjustment when problems occur. Summary of the Invention

[0003] The present invention aims to overcome the problems of low cooling control precision and lack of automatic extruder head adjustment device in the prior art, which require manual adjustment when problems occur. It provides an automated production line and control method for rubber and plastic hoses that can achieve stable temperature increase and decrease and maintain and automatically adjust the position of the extruder head.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An automated production line for rubber and plastic hoses includes several automated production units and a centralized control system. The centralized control system includes a control console and a control panel, with the control panel connected to the control console. The control console is connected to the several automated production units, enabling centralized control of the production lines and adjusting their operating status. The control panel displays real-time production information from the automated production units. Each automated production unit includes a frequency converter heating device and an adjustable extrusion mechanism. The frequency converter heating device includes a heating conduit and a housing surrounding the heating conduit. Several heating modules are arranged on the heating conduit, separated by baffles, dividing the inner cavity of the housing into several heating sections. The heating section includes a heating module comprising a coil for heating the heating conduit and a temperature sensor for detecting the temperature of the heating conduit. The heating section has an inlet and an outlet. The inlet is connected to a cooling fan, and the outlet is connected to an outlet mechanism. The variable frequency heating device also includes a processing module, which is connected to the temperature sensor, the coil, and the cooling fan. The adjustable extrusion mechanism includes a body, a second base, a transverse slide, and a longitudinal slide. The transverse slide is mounted on the second base and can move laterally. The longitudinal slide is mounted on the transverse slide and can move longitudinally. One end of the body is hinged to the longitudinal slide, and a lifting and pushing mechanism is connected between the other end of the body and the longitudinal slide. An extrusion head is provided at one end of the body. The lifting and pushing mechanism drives the body to rotate to adjust the height of the extrusion head.

[0006] The processing module uses a temperature sensor to monitor the actual temperature of the heating conduit in real time and compares it with the rated temperature. When the actual temperature is lower than the rated temperature, each heating element is heated in a gradual gradient until the rated temperature is reached. When the actual temperature is higher than the rated temperature and reaches the upper limit, the cooling system in the air cavity is controlled to cool the conduit. Cooling is performed at different power levels depending on the temperature difference between the actual and upper limit temperatures, and cooling stops when the rated temperature is reached. The variable frequency heating device provides segmented control of the corrugated pipe extrusion temperature, ensuring that the extrusion temperature remains within the error range to guarantee high dimensional accuracy and minimal dimensional differences between the front and rear sections of the extruded corrugated pipe. Multiple heating elements are installed on the heating conduit, each heating element heating a section of the pipe. Multiple temperature ranges are further subdivided based on temperature differences. During heating, all heating elements must reach the set temperature for the current range before moving to the next range. The temperature rise during heating in this variable frequency heating device is a highly precise, subdivided gradient, effectively preventing sudden temperature changes that could alter the properties of the hose material. Furthermore, the temperature range is subdivided according to the difference between the actual temperature and the rated temperature. The smaller the difference, the smaller the temperature range subdivision, allowing the temperature to gradually stabilize at the rated value. Each heating section is separated by a baffle plate, minimizing the impact of temperature adjustments in one section on others. Temperature sensors continuously monitor the temperature of the heating conduits within each section. When heating is required, the coils in that section are heated. When cooling is needed, the air chamber cooling system directs the cold source into the corresponding heating section for airflow exchange and heat dissipation. The cooled cold source is then discharged by the outlet mechanism. During cooling, different power levels are applied based on the temperature difference between the actual and rated temperatures. As the temperature difference decreases, the power of the air chamber cooling system gradually decreases, stopping operation when the rated temperature is reached. The transverse slide can move laterally on the second base, and the longitudinal slide can move longitudinally on the transverse slide. The lifting and pushing mechanism rotates the machine body to adjust the extruder head height. These adjustments allow for six degrees of freedom adjustment of the extruder head in the X, Y, and Z directions, making the extruder head adjustment flexible and convenient. When tooling changes require adjustments to the extruder head position, there is no need to reinstall and rearrange the entire extruder; only the transverse slide, longitudinal slide, and lifting and pushing mechanism need to be adjusted, thus improving work efficiency.This adjustable extruder structure allows for flexible adjustment of the extruder head position, making adjustment convenient. The centralized control system of this invention achieves centralized control of multiple units in an automated rubber and plastic hose production line through a central control console. It automatically collects and analyzes key information during the system's operation, such as: single unit interface, multi-unit dimensional curves, system data, alarm information, deviation correction, system management, and alarm types. It also controls the units to adjust their working status and displays key information on the central control screen for users to monitor the production line's operation in real time. The central control console allows for interface switching and individual control of each part.

[0007] As a preferred embodiment of the present invention, the automated production unit for rubber and plastic hoses further includes a wire coil placement device. This device includes a reel for mounting the wire coil, a first base, a fixed support plate, and a tilting platform. The fixed support plate is securely connected to the first base. The tilting platform is connected to the first base and can be tilted. A damper is mounted on the tilting platform, and the damper has a damping insertion hole. Mounting holes are provided on the tilting platform corresponding to the damping insertion hole. A positioning slot is provided at the upper end of the fixed support plate. An mounting shaft is provided on the reel; one end of the mounting shaft can be inserted into the mounting hole and the damping insertion hole, and the other end can be installed into the positioning slot. The wire coil is mounted on the reel. The tilting platform is tilted to a horizontal position, and the reel is placed on the tilting platform. The lower end of the mounting shaft on the reel passes through the mounting hole and is inserted into the damping insertion hole of the damper. The damper then works to tighten the mounting shaft. The tilting platform is then tilted upwards to a vertical position, and the other end of the mounting shaft on the reel is inserted into the positioning slot, completing the placement of the wire coil. After the wire in the wire coil is exhausted, the cutter cuts off the remaining coil of wire on the reel. The tilting platform then flips to a horizontal position, the damper stops working, releasing the tension on the mounting shaft, and the lifting hook lifts the reel upwards and removes it from the tilting platform. The tilting platform transforms the wire coil from a horizontal to a vertical mounting, making it less prone to wire jamming or loosening during traction. One end of the mounting shaft on the reel is connected to the damper, ensuring synchronous rotation between the wire coil and the mounting shaft, further preventing wire loosening and ensuring smooth and reliable wire output.

[0008] As a preferred embodiment of the present invention, the automated production unit for rubber and plastic hoses further includes an automatic assist device. The automatic assist device includes a power unit providing the pulling force for lifting the load; a load-bearing part for attaching the load and connected to the power unit; a detection unit for detecting the movement state of the load and controlling its lifting, lowering, or stopping based on the pressure value detected by an internal first pressure sensor, located between the power unit and the load-bearing part; and an emergency stop unit that determines whether the load exceeds the load limit based on the pressure value detected by a second pressure sensor. If the load limit is exceeded, the power unit is locked via PID control, and this unit is installed inside the power unit. Intelligent detection by the detection unit determines whether the load is attached and automatically controls its lifting and lowering, thus automating the operation of the assist device, reducing manual labor, and improving work efficiency.

[0009] As a preferred embodiment of the present invention, the automated production unit for rubber and plastic hoses further includes a sorting device. The sorting device includes a corrugated pipe conveying mechanism and a cutting device located at the output end of the corrugated pipe conveying mechanism. The output end of the cutting device is connected to the sorting mechanism. The sorting mechanism is provided with a sorting guide platform and a detection mechanism for detecting the index parameters of the corrugated pipe sections. The detection mechanism is electrically connected to the cutting device and the sorting mechanism through a control system. The corrugated pipe sections detected by the detection mechanism are respectively introduced into the qualified product conveying area or the unqualified product conveying area through the sorting mechanism. The cutting device and sorting mechanism are sequentially connected to the corrugated pipe conveying mechanism. After extrusion, the corrugated pipe can be directly conveyed to the cutting device for segmented cutting. Since the sorting mechanism is equipped with a sorting guide platform and a detection mechanism for detecting the index parameters of the corrugated pipe segments, the relevant index parameters of the corrugated pipe segments before cutting can be detected and saved. After cutting, the corrugated pipe segments are classified and stored through the sorting guide platform according to the detection results. The extruded corrugated pipes are automatically segmented, detected and screened online continuously. It integrates corrugated pipe segmented cutting, index parameter detection and sorting, and multi-process continuous operation, which saves time and labor, has a simple structure, and has high production efficiency, detection efficiency and detection accuracy, which is conducive to optimizing the modern production process.

[0010] As a preferred embodiment of the present invention, the automated production unit for rubber and plastic hoses further includes: a wire thread generating device to realize the spiral of the wire; a wire tensioning device to realize the control of the wire tensioning force; and a corrugated pipe diameter detection and control device to detect and adjust the diameter of the extruded corrugated pipe.

[0011] A control method for an automated production line of rubber and plastic hoses includes a sorting method for a sorting device, a control method for an automatic assist device, a control method for a variable frequency heating device, and a corrugated pipe diameter detection method. The corrugated pipe diameter detection method includes the following steps: Q1: Corrugated pipes begin to be generated and enter the detection area. A sensor begins to detect the size of the corrugated pipe and compares it with the actual preset size. If the size detected by the sensor is greater than the actual preset size, proceed to Q2; if the size detected by the sensor is less than the actual preset size, proceed to Q3; Q2: Determine whether the size of the corrugated pipe is greater than the upper limit warning value. If the size is less than the upper limit warning value, the traction motor accelerates; if the size is greater than the upper limit warning value, the traction motor accelerates. If the warning value is too high, the system continues to check if the corrugated pipe size exceeds the upper alarm value. If the size is less than the upper alarm value, a warning signal is triggered, and the traction motor accelerates. If the size exceeds the upper alarm value, an alarm is issued, traction stops, the extrusion speed is reduced, and manual intervention is required. Q3: If the corrugated pipe size is less than the lower warning value, the system checks if the size exceeds the lower warning value. If so, the traction motor decelerates. If the size is less than the lower warning value, the system checks if the size exceeds the lower alarm value. If so, a warning signal is triggered, and the traction motor accelerates. If the size is less than the lower alarm value, an alarm is issued, traction stops, the extrusion speed is reduced, and manual intervention is required. Currently, the automation level of corrugated pipe diameter detection in production is low. During extrusion, operators must use calipers to measure the pipe diameter in real time and determine if it exceeds the error range. If a certain deviation exists, the speed of the front-end traction motor needs to be adjusted in real time via buttons. If a large deviation exists, the machine needs to be stopped for adjustment. The traditional method for adjusting the pipe diameter involves changing the speed of the traction motor during the traction phase to adjust the corrugated pipe diameter. This invention's corrugated pipe diameter detection method utilizes sensors to continuously monitor the corrugated pipe diameter in real time during the pipe extrusion process, replacing manual measurement. It also compares the measured data with actual data in a timely manner, performing automatic feedback adjustment instead of manual operation to ensure the dimensional accuracy of extruded pipe products. Existing devices are semi-automatic, capable of periodically checking the corrugated pipe and adjusting the motor speed. This invention's device uses real-time PID control based on the feedback data, resulting in higher accuracy.

[0012] As a preferred embodiment of the present invention, the sorting method of the sorting device includes the following steps: L1: setting the index parameters of the corrugated pipe section, including the length, weight, and pitch of the corrugated pipe section; L2: adjusting the position of the distance measuring sensor so that the distance between the distance measuring sensor and the arc-shaped blade is the length of the corrugated pipe section; L3: starting the corrugated pipe extrusion equipment, the corrugated pipe conveying mechanism, and the sorting mechanism; L4: the control system calculates the number of rotations of the corrugated pipe based on the number of rotations of the corrugated pipe conveying mechanism, and calculates the pitch of the corrugated pipe section based on the length of the corrugated pipe section; L5: the output end of the corrugated pipe enters the sorting mechanism sequentially through the corrugated pipe conveying mechanism and the cutting device. When the distance measuring sensor detects the corrugated pipe, it transmits the detection signal to the control system, and the control system... The system starts the geared motor, and after the arc-shaped blade rotates, it completes the cutting of the corrugated pipe to form a corrugated pipe segment; L6: The corrugated pipe segment falls onto the support plate, the pressure sensor detects the weight of the corrugated pipe segment, and transmits the weight information to the control system; L7: The control system compares the detected value with the set index parameter value of the corrugated pipe segment, and determines whether the corrugated pipe segment is qualified or unqualified; a: When the corrugated pipe segment is qualified, the cylinder drives the sorting platform to the left, the drive mechanism drives the support plate to rotate clockwise downwards, and the corrugated pipe segment slides down the right slope of the sorting platform to the qualified product conveying area; b: When the corrugated pipe segment is unqualified, the cylinder drives the sorting platform to the right, the drive mechanism drives the support plate to rotate clockwise downwards, and the corrugated pipe segment slides down the left slope of the sorting platform to the unqualified product conveying area. The bellows section index parameters in L1 also include the bellows diameter. When the detection value of the bellows diameter detection telescopic pressure roller is less than the set value, the rotation speed of the left horizontal patterned shaft and the right horizontal patterned shaft decreases. When the detection value is greater than the set value, the rotation speed of the left horizontal patterned shaft and the right horizontal patterned shaft increases.

[0013] As a preferred embodiment of the present invention, the control method of the automatic assist device includes the following steps: a heavy object is hung on the load-bearing part, the second pressure sensor detects the weight of the heavy object, and the first pressure threshold and the second pressure threshold are adjusted according to the weight; an automatic mode or manual mode is selected. In manual mode, the heavy object is raised or lowered via a remote control device. In automatic mode, the handle is pulled. The control unit detects that the signal waveform transmitted by the first pressure sensor matches the third waveform signal table, and then performs a pressure comparison. When the pressure value transmitted by the first pressure sensor is greater than the first pressure threshold, the power device is controlled by the PID adjustment module to lower the heavy object. When the pressure value transmitted by the first pressure sensor is less than the second pressure threshold, the power device is controlled by the PID adjustment module to raise the heavy object. When the signal waveform transmitted by the first pressure sensor matches the first waveform signal table, it is determined that the heavy object is in contact with the ground, and the power device is stopped by the PID adjustment module. When the signal waveform transmitted by the first pressure sensor matches the second waveform signal table, it is determined that the heavy object has collided, and the power device is stopped by the PID adjustment module. When the weight information transmitted by the second pressure sensor cannot be received, the output shaft of the reduction motor is locked by the PID adjustment module, thus locking the winding reel. The automatic control of the assistive device is achieved through control methods, reducing manual labor and improving work efficiency. The intelligent control of the assistive device is realized through the cooperation of the control unit and the first pressure sensor. It can automatically judge the direction and magnitude of the force applied by the operator to raise or lower the heavy object. It can realize both automatic control and remote control. The second pressure sensor automatically detects whether the heavy object is attached and transmits the weight information to the control unit. In case of failure, it locks the device, making the hovering more stable and safer.

[0014] As a preferred embodiment of the present invention, the variable frequency heating device control method includes the following steps: S1. The actual temperature of the heating zone is monitored in real time by a set temperature sensor; since there is a temperature difference between each heating section, the temperature difference between each section is a few degrees to tens of degrees, and the set temperature sensor is set independently for each temperature zone. S2. Heating or cooling is performed based on the temperature difference between the actual temperature and the rated temperature; the specific process is as follows: if the absolute value of the difference between the actual temperature and the rated temperature is less than or equal to 'a', no heating or cooling operation is performed; if the absolute value of the difference between the actual temperature and the rated temperature is greater than 'a', further judgment is made; if the difference between the actual temperature and the rated temperature is greater than zero, cooling is performed; if the difference between the actual temperature and the rated temperature is less than zero, heating is performed, where 'a' is a set value greater than zero to prevent critical oscillation. S3. In the heating state, the control coil heats up, heating each heating part in a gradient, and stopping heating when the actual temperature reaches the rated temperature; in the cooling state, when the actual temperature reaches the upper limit temperature, the control air cavity heat dissipation device is used to cool down, and cooling is performed with different power according to the temperature difference between the actual temperature and the upper limit temperature, and cooling is stopped when the actual temperature reaches the rated temperature; the specific process of heating in S3 includes: S301. The temperature difference between the actual temperature and the rated temperature is refined into multiple temperature ranges; the temperature value of the refined temperature range can be 1 degree, or it can be set separately according to the requirements. S302. Heat each heating element to the set temperature of the current temperature range; S303. Check if the temperature of each heating element has reached the set temperature of the current temperature range. If not, return to continue checking the temperature of each heating element; if yes, proceed to the next step; S304. Determine if the temperature of each heating element has reached the rated temperature after heating. If yes, stop heating the coil; if no, proceed to the next temperature range for heating and return to step S301; The specific cooling process in S3 includes: S311. Determine if the actual temperature has reached the upper limit temperature. If yes, proceed to the next step; if no, return to step S2; S312. Determine if the absolute value of the difference between the actual temperature and the rated temperature is greater than t. If yes, proceed to step S313; if no, proceed to step S314; t is the set temperature threshold, which is set according to actual needs. The temperature difference between the actual temperature and the rated temperature is determined by t, and different controls are applied to the air cavity heat dissipation equipment according to the degree of temperature difference. S313. Control the air cavity cooling device to operate at a first frequency for high-power cooling, proceed to step S315; decrease the frequency to operate at the first frequency, increase the duty cycle, and the air cavity cooling device continues high-power cooling. S314. Control the air cavity cooling device to operate at a second frequency for low-power cooling, proceed to step S315; increase the frequency to operate at the second frequency, decrease the duty cycle, and the air cavity cooling device continues low-power cooling. The first frequency is less than the second frequency. S315. Determine whether the temperature of each heating element has reached the rated temperature after cooling. If yes, the air cavity cooling device stops working; otherwise, return to step S312.In step S301, the smaller the difference between the actual temperature and the rated temperature, the smaller the temperature subdivision. As the temperature difference between the actual temperature and the rated temperature decreases, the operating power of the air cavity heat dissipation device decreases, and it stops working when the actual temperature reaches the rated temperature.

[0015] Therefore, the present invention has the following beneficial effects: The device of the present invention is designed with a frequency conversion heating device, which, together with the frequency conversion heating control method, achieves stable increase, decrease and maintenance of temperature; the present invention is designed with an adjustable extrusion mechanism and an extruder die head mechanism to automatically adjust the position of the extruder head, reducing manual intervention and improving productivity; the wire roll placement device of the present invention is equipped with a damper to ensure synchronous rotation of the wire roll and the mounting shaft, further preventing the wire from loosening and ensuring smooth and reliable wire output; the adjustable extruder structure of the present invention can achieve flexible adjustment of the position of the extruder head, and the adjustment operation is convenient; the present invention is equipped with a pipe diameter detection and control device, and the corrugated pipe diameter detection and control device and the rubber pipe diameter detection and control device can be converted by disassembling and assembling parts to adapt to the production of different types of corrugated pipes and rubber pipes; the sorting device of the present invention realizes continuous operation of multiple processes, saving time and labor, with a simple structure, high production efficiency, detection efficiency and detection accuracy, which is conducive to optimizing the modern production process; the centralized control system in the present invention realizes centralized control of multiple units, real-time display of operating status, real-time switching display of information between multiple units and single units, etc., and all units can be monitored and operated through a single control console, greatly liberating productivity. Attached Figure Description

[0016] Figure 1 This is an overall schematic diagram of the automated production unit for rubber and plastic hoses of the present invention;

[0017] Figure 2 This is a schematic diagram of the steel wire coil placement device;

[0018] Figure 3 This is a schematic diagram of the connection structure of the base of the wire coil mounting device;

[0019] Figure 4 This is a schematic diagram of the damper structure of the wire coil placement device;

[0020] Figure 5 This is a schematic diagram of the reel structure of the wire coil placement device;

[0021] Figure 6 This is a front view of the automatic power assist device;

[0022] Figure 7 This is a side view of the automatic power steering system;

[0023] Figure 8 This is a schematic diagram of a wire thread generating device;

[0024] Figure 9This is a schematic diagram of the installation structure of the wire bending unit of the wire thread generating device;

[0025] Figure 10 This is a schematic diagram of the internal structure of the traction machine for the wire thread generating device;

[0026] Figure 11 This is a top view of the wire tensioning device;

[0027] Figure 12 This is a side view of the wire tensioning device;

[0028] Figure 13 This is a schematic diagram of the end structure of the wire tensioning device;

[0029] Figure 14 This is a schematic diagram of the winding wheel of the wire tensioning device;

[0030] Figure 15 This is a schematic diagram of the cutting mechanism of the wire tensioning device;

[0031] Figure 16 This is a cross-sectional view of the cutting mechanism of the wire tensioning device;

[0032] Figure 17 This is a schematic diagram of the connection structure between the traction rope and the spiral steel wire of the steel wire tensioning device.

[0033] Figure 18 This is a cross-sectional view of a variable frequency heating device.

[0034] Figure 19 yes Figure 18 Enlarged structural diagram at point A;

[0035] Figure 20 This is a schematic diagram of an adjustable extrusion mechanism;

[0036] Figure 21 This is a schematic diagram of a corrugated pipe diameter detection and control device.

[0037] Figure 22 yes Figure 21 The right view shown;

[0038] Figure 23 This is a schematic diagram of the sorting device;

[0039] Figure 24 yes Figure 23 The AA section view shown;

[0040] Figure 25 This is a cross-sectional view of the cutting device in the sorting system;

[0041] Figure 26This is a cross-sectional view of the cutting device in the sorting equipment from another direction;

[0042] Figure 27 This is a cross-sectional view of the bellows conveyor mechanism of the sorting device;

[0043] Figure 28 This is a cross-sectional view of the extruder die head mechanism;

[0044] Figure 29 This is the front view of the extruder die head mechanism;

[0045] Figure 30 yes Figure 29 The AA section view shown;

[0046] Figure 31 This is a schematic diagram of the user interface of the centralized control system;

[0047] Figure 32 This is a schematic diagram of the single-unit screen display interface;

[0048] Figure 33 It is a curve showing the pipe diameter fluctuation during the extrusion process;

[0049] In the diagram: 101. Wire coil; 102. Reel; 103. First base; 104. Fixed support plate; 105. Tilting table; 106. Damper; 107. Damping socket; 108. Mounting hole; 109. Positioning slot; 110. Mounting shaft; 111. Positioning ring; 112. First piston cylinder; 113. Wire traction table; 114. Traction wheel; 115. Adjusting wheel; 116. First adjusting groove; 117. Fixed plate; 118. Sleeve; 119. Magnetic powder brake; 120. Elastic chuck; 121. First cylinder; 122. Piston; 123. Push rod; 124. Spring; 125. Vent hole; 126. Rotary joint; 127. Bearing; 128. Bearing cover; 129. End cover; 130. Lifting ring; 131. Lifting rod; 132. Damping rod; 201. Gear motor; 202. Bearing support seat; 203. First bearing; 204. Winding reel; 205. Wire rope; 206. Indicator light; 207. Automatic mode button; 208. Operating handle; 209. Hook; 210. Start button; 211. Clamp button; 212. First pressure sensor; 213. Flange; 214. Pressure plate; 215. Second pressure sensor; 216. Sheet metal box; 301. Wire bending unit; 302. Processing unit; 303. Guide block; 304. Guide forming roller; 305. Wire outlet hole; 306. Mandrel tooling; 307. Glue dispenser; 308. Traction machine; 309. Wire; 310. Corrugated pipe 311. Separation section; 312. Wire guide unit; 313. Guide seat; 314. Guide wheel; 315. X-axis slide table; 316. Y-axis slide table; 317. First connecting seat; 318. First drive motor; 319. Drive screw; 320. Slide rail; 321. Pneumatic chuck; 322. Chuck motor; 323. Driven wheel; 324. Drive wheel; 325. Transmission belt; 326. First pressure roller; 327. Drive shaft; 328. Mounting seat; 329. Spiral wire; 401. First frame; 402. Torque output device; 403. Traction rope; 404. Cutting mechanism; 405. Corrugated pipe detection sensor; 407. Wire spiral machine; 410. Winding wheel; 411. Winding ring groove; 412. Guide. Shaft; 413, V-shaped groove; 414, connecting ring; 415, limiting groove; 416, cutter; 417, driver; 418, positioning seat; 419, positioning block; 420, guide rail; 421, cutter detector; 422, clearance groove; 423, second drive motor; 424, reducer; 425, second pressure roller; 426, traction roller; 427, wire exit head; 428, tooling mandrel; 501, heating conduit; 502, housing; 503, baffle plate; 504, coil; 505, temperature sensor; 506, support frame; 507, heat insulation layer; 508, mounting sleeve; 509, heat conduction fluid channel; 510, heat source outlet; 511, outlet hole; 512, cold source inlet; 513, inlet hole;514. Solenoid valve; 515. Air chamber cooling device; 516. Outlet mechanism; 517. Manifold; 518. Outlet pump body; 519. High-pressure hose; 601. Machine body; 602. Second base; 603. Transverse slide; 604. Longitudinal slide; 605. Extruder head; 606. Second piston cylinder; 607. Second connecting seat; 608. Second adjusting groove; 609. Push pin; 610. Transverse motor; 611. Transverse lead screw; 612. Longitudinal lead screw; 613. Longitudinal guide rod; 61 4. Positioning chute; 615. Upper hopper; 616. Lower hopper; 617. Extrusion motor; 618. Reducer; 619. Heating cover; 620. Support; 621. Hinge seat; 701. Left horizontal patterned shaft; 702. Right horizontal patterned shaft; 703. Extruded corrugated pipe; 704. First pipe diameter detection device; 705. Third pressure roller; 704-1. First measuring pressure roller; 704-2. First telescopic guide rod; 704-3. First sensor; 901. Corrugated pipe conveying mechanism; 901-4 902. Pipe diameter detection telescopic pressure roller; 902. Cutting device; 902-1. Box body; 902-2. Gear motor; 902-3. Arc-shaped blade; 902-4. Cutting baffle; 903. Sorting mechanism; 903-1. Second frame; 903-2. Second cylinder; 904. Sorting guide platform; 905. Corrugated pipe section; 906-1. Support plate; 906-2. Pressure sensor; 906-3. Drive mechanism; 906-4. Second lead screw; 906-5. Distance sensor; 907. 908. Conveying area for qualified products; 909. Conveying area for unqualified products; 1001. Sorting conveyor belt; 1002. Flow meter; 1002. Nozzle flange; 1002-1. Front flange; 1002-2. Rear flange; 1003. Extruder output port; 1004. Filter assembly; 1004-1. Annular body; 1004-2. Honeycomb filter plate; 1004-3. Filter screen; 1005. Flange bolts; 1006. Die head bolts; 1007. Annular pressure plate; 1008. Die head fixing wall. Detailed Implementation

[0050] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0051] like Figure 1 The diagram shown is an overall schematic of an automated production unit for rubber and plastic hoses, including a wire coil placement device, an automatic assist device, a wire thread generation device, a wire tensioning device, a frequency conversion heating device, an adjustable extrusion mechanism, a corrugated pipe diameter detection and control device, and a sorting device.

[0052] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the wire coil placement device includes a reel 102 for mounting the wire coil 101, a first base 103, a fixed support plate 104, and a tilting platform 105. The fixed support plate 104 is fastened to the first base 103, and the tilting platform 105 is connected to the first base 103 and can be tilted. A damper 106 is mounted on the tilting platform 105, and the damper 106 has a damping insertion hole 107. The tilting platform 105 has mounting holes 108 corresponding to the damping insertion hole 107. The upper end of the fixed support plate 104 has a positioning slot 109. The reel 102 has a mounting shaft 110, one end of which can be inserted into the mounting hole 108 and the damping insertion hole 107, and the other end of which can be installed into the positioning slot 109. The wire coil 101... A positioning ring 111 is provided on the first base 103 of the mounting device. After the tilting platform 105 is tilted, it can be supported on the positioning ring 111, and the damper 106 on the tilting platform 105 is placed in the positioning ring 111. A first piston cylinder 112 is hinged to the first base 103. The telescopic rod of the first piston cylinder 112 is hinged to the tilting platform 105, and the tilting platform 105 is hinged to the first base 103. A wire traction platform 113 is provided next to the first base 103, and several pairs of wire traction devices are installed on the traction platform. The guide wheel 114 and several adjusting wheels 115 are provided. The wire traction table 113 is provided with a first adjusting groove 116 corresponding to the adjusting wheel 115. The adjusting wheel 115 is slidably installed in the first adjusting groove 116. The damper 106 includes a fixed plate 117, a sleeve 118 rotatably installed on the fixed plate 117, and a magnetic powder brake 119 fastened to the fixed plate 117 for braking the sleeve 118. The magnetic powder brake 119 is fitted outside the sleeve 118, and is installed inside the sleeve 118. A flexible clamp 120 has a damping socket 107. A sleeve 118 is fastened to one end of a first cylinder 121. A piston 122 is installed inside the first cylinder 121, and a push rod 123 is connected to the piston 122. The push rod 123 extends out of one end of the first cylinder 121 and abuts against the flexible clamp 120. A spring 124 is installed between the piston 122 and the first cylinder 121. A vent hole 125 is provided at the other end of the first cylinder 121. A rotary joint 126 is connected; a bearing 127 is installed between the sleeve 118 and the fixed plate 117, and a bearing cover 128 is installed between the bearing 127 and the magnetic powder brake 119; end caps 129 are provided at both ends of the reel 102, and the end caps 129 are fastened to the mounting shaft, with a lifting ring 130 connected to one end of the mounting shaft; a lifting rod 131 is provided at the end of the mounting shaft away from the damper, and the lifting ring is installed on the lifting rod 131, with the mounting shaft connected to the positioning slot 109 through the lifting rod 131. The end face of the mounting shaft away from the damper 106 is attached to the fixed support plate 104. A damping rod 132 is provided at the end of the mounting shaft connected to the damper 106, and the mounting shaft passes through the mounting hole 108 through the damping rod 132 and is inserted into the damping insertion hole 107 of the damper 106.

[0053] like Figure 6 and Figure 7 As shown, the power unit of the automatic assist device includes: a reduction motor 201, which is turned on or off according to the command of the detection unit to provide power; a winding reel 204, which is connected to the reduction motor to wind or unwind the traction rope by rolling; a traction rope, one end of which is wound on the winding reel 204, and the other end of which is fixedly connected to the load-bearing unit via the detection unit; the detection unit includes a base, a control unit, a first pressure sensor 212, and an operating handle 208. The base is fixedly installed on the traction rope, the operating handle 208 is fixedly connected to the lower end of the base, and the first pressure sensor 212 is installed inside the operating handle 208 for detecting operation. The pressure information from the handle 208 is transmitted via a first pressure sensor 212 connected to a control unit housed within the base. The control unit includes a PID control module, a first waveform signal meter, a second waveform signal meter, a third waveform signal meter, a first pressure threshold, and a second pressure threshold. The first waveform signal meter determines whether the load is in contact with the ground, the second waveform signal meter determines whether a collision has occurred, and the PID control module stops the power unit upon ground contact or collision. The third waveform signal meter controls the lifting or lowering of the load. When the first pressure sensor 212 transmits... When the pressure value transmitted by the first pressure sensor 212 is greater than the first pressure threshold, the PID control module controls the power unit to lower the heavy object. When the pressure value transmitted by the first pressure sensor 212 is less than the second pressure threshold, the PID control module controls the power unit to raise the heavy object. It also includes operation buttons and indicator lights 206, both mounted on the base and connected to the control unit. The load-bearing part is a crescent-shaped hook 209; the traction rope is a steel wire rope 205; the emergency stop part includes a flange 213, a pressure plate 214, and a second pressure sensor 215. 13 is positioned between the geared motor and the winding reel 204. The pressure plate 214 is connected to the flange 213. The second pressure sensor 215 is positioned at the lower end of the pressure plate and is used to detect the weight information of the heavy object. The second pressure sensor 215 is connected to the detection unit. A first bearing 203 and a bearing support 202 are also provided between the winding reel 204 and the geared motor. The operation buttons include a start button 210, an automatic mode button 207, and a clamp button 211. Pressing the clamp button 211 causes the hook 209 to clamp the heavy object. The sheet metal box 216 is hoisted as a whole at the top of the operating space.

[0054] like Figure 8 , Figure 9 and Figure 10As shown, the wire thread generating device includes a wire bending unit 301 and a processing unit 302. The wire bending unit 301 includes a mounting base, a guide block 303, and a guide forming pressure roller 304. The guide block 303 is provided with a wire outlet hole 305. The guide forming pressure roller 304 is rotatably mounted on the mounting base 328, and the position of the guide forming pressure roller 304 is movable and adjustable. It also includes a wire guiding unit 312, which includes a guide seat 313 and several pairs of guide wheels 314 mounted on the guide seat 313. The wire passes between each pair of guide wheels 314 and is then fed into the wire outlet hole 305 on the guide block 303. The mandrel tooling 30... The rotation direction of the spiral steel wire 309 is opposite to the rotation direction of the mandrel tooling 306; the guide forming pressure roller 304 is connected to the drive assembly, which includes an X-axis slide 315, a Y-axis slide 316, and a first connecting seat 317. The first connecting seat 317 is slidably mounted on the Y-axis slide 316, and the Y-axis slide 316 is slidably mounted on the X-axis slide 315. A driver for driving the Y-axis slide 316 to move along the X-axis direction is mounted on the X-axis slide 315, and a driver for driving the first connecting seat 317 to move along the Y-axis direction is mounted on the Y-axis slide 316; the guide forming pressure roller 304 is mounted on the first connecting seat; the driver includes... A first drive motor 318 and a drive screw 319 are provided. The output shaft of the first drive motor 318 is connected to the drive screw 319. Both the first connecting seat 317 and the Y-axis slide 316 have screw holes. The drive screws 319 of both drivers are respectively adapted to the two screw holes on the first connecting seat 317 and the Y-axis slide 316. Both the X-axis slide 315 and the Y-axis slide 316 have two slide rails 320. The lower surfaces of the Y-axis slide 316 and the first connecting seat 317 have corresponding grooves adapted to the slide rails 320, and the grooves are correspondingly connected to the slide rails 320. The processing unit 302 also includes a pneumatic chuck 321, a chuck motor 322, and a mandrel tool. One end of the device 306 is clamped on the pneumatic chuck 321. The driven wheel 323 is installed on the pneumatic chuck 321, and the driving wheel 324 is installed on the output shaft of the chuck motor. A transmission belt 325 connects the driving wheel 324 and the driven wheel 323. The traction machine 308 adjusts the traction speed of the corrugated pipe 310 in coordination with the pushing speed of the steel wire 309 to realize the pitch adjustment of the spiral steel wire 329. The traction machine 308 is equipped with a first pressure wheel 326 and two drive shafts 327. The first pressure wheel 326 and the two drive shafts 327 are arranged along the circumference of the corrugated pipe. The first pressure wheel 326 and the drive shafts 327 are in contact with the corrugated pipe. The drive shafts 327 are driven to rotate by a motor. The drive shaft 327 has a pattern on its outer wall. The glue dispenser 307 dispenses glue from the side. The amount of glue dispensed is changed according to the forward speed of the spiral steel wire 329. The glue dispensed wraps around the spiral steel wire 329 to initially form a corrugated tube. The front part of the mandrel tooling gradually tapers towards the front end to form a release section 311. The release section 311 is located between the glue dispenser and the traction machine.

[0055] like Figure 11 , Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 and Figure 17 As shown, a guide shaft 412 is installed on the first frame 401 of the wire tensioning device, and a traction rope 403 passes around the guide shaft 412; a V-shaped annular groove 413 is provided on the outer wall of the guide shaft 412; a limiting groove 415 for the bellows 310 to pass through is provided on the first frame 401; a winding wheel is installed on the torque output device 402, and one end of the traction rope 403 is connected to the winding wheel, and a V-shaped winding annular groove is provided on the outer wall of the winding wheel; the cutting mechanism 404 includes a cutter 416, a driver 417, a positioning seat 418, and two positioning devices mounted on the positioning seat 418. The spacing between the two positioning blocks 419 is adjustable. The bellows 310 is clamped between the two positioning blocks 419. The driver 417 drives the cutter 416 to rotate and cut the bellows 310. The cutter 416 has an S-shaped structure. A cutter detector 421 is provided between the two positioning blocks 419 and is positioned above the bellows. The positioning blocks 419 are provided with clearance grooves 422 for the cutter 416 to pass through. The second pressure roller 425 and two traction rollers 426 are installed on the first frame 401. The roller 426 is arranged circumferentially along the corrugated pipe 310. The traction roller 426 rotates to pull the corrugated pipe 310. The wire spiral machine 407 is equipped with a wire outlet 427 and a tooling mandrel 428. The wire is fed out from the wire outlet 427 and wound onto the tooling mandrel 428 to form a spiral wire 329. The glue outlet of the glue machine 307 applies glue towards the spiral wire 329 on the tooling mandrel 428. The corrugated pipe detection sensor 405 is used to detect the corrugated pipe 310. The traction rope is connected to the wire by an annular connecting ring 414, and the wire passes through the connecting ring. After 414, the connection ring 414 is knotted and tightened. The connection ring 414 can adapt to steel wires of different diameters. The positioning seat and the positioning block are provided with guide rails 420. The driver includes a second drive motor 423 and a reducer 424. The output shaft of the drive motor is connected to the input shaft of the reducer 424. The cutter is installed on the output shaft of the reducer 424. The traction rope is connected to the winding ring groove 411 on the winding wheel 410. The second pressure wheel 425 and two traction rollers 426 are installed on the frame. The pressure wheel and the two traction rollers are arranged along the circumference of the corrugated pipe. The rotation of the traction rollers pulls the corrugated pipe.

[0056] like Figure 18 and 19As shown, the heating module of the variable frequency heating device also includes a support frame 506 sleeved on the heating conduit 501, a coil 504 wound inside the support frame 506, a heat insulation layer 507 provided on the upper part of the coil 504, and an installation sleeve 508 penetrating through the heat insulation layer 507 and the support frame 506. One end of the installation sleeve 508 is connected to the surface of the heating conduit 501, and a temperature sensor 505 is disposed inside the installation sleeve 508 and connected to the heating conduit 501. A gap is formed between the heating module, the heating conduit 501, and the baffle plate 503 to form a heat conduction fluid channel 509, which is connected to the inlet and outlet respectively. A heat source outlet 510 is provided on the upper part of each heating section. The heat source outlet section 510 is provided with several outlet holes 511 to connect the outlet of each heating section to the outlet mechanism 516. A cold source inlet section 512 is provided at the bottom of each heating section. The cold source inlet section 512 is provided with several inlet holes 513. One end of the inlet hole 513 is connected to the corresponding heating section inlet, and the other end of the inlet hole 513 is connected to a solenoid valve 514. The input ends of the solenoid valves 514 are connected together and connected to the air cavity heat dissipation device 515 through a high-pressure hose 519. The outlet mechanism 516 includes a manifold 517 and an outlet pump body 518. The manifold 517 covers the upper part of the housing 502 and is umbrella-shaped. The outlet pump body 518 is located on the top of the manifold 517.

[0057] like Figure 20As shown, the lifting and pushing mechanism of the adjustable extrusion mechanism includes a second piston cylinder 606 and a second connecting seat 607. The second piston cylinder 606 is mounted on the longitudinal slide 604, and the second connecting seat 607 is connected to the machine body 601. The second connecting seat 607 is provided with a second adjusting groove 608. A pushing pin 609 is connected to the telescopic rod of the second piston cylinder 606. The pushing pin 609 is installed in the second adjusting groove 608 and can slide within the second adjusting groove 608. The second piston cylinder 606 is an electric cylinder, a pneumatic cylinder, or a hydraulic cylinder. One type: A transverse motor 610, a transverse lead screw 611, and a transverse guide rod are mounted on a second base 602. The transverse lead screw 611 is connected to the output shaft of the transverse motor 610. Both the transverse lead screw 611 and the transverse guide rod are inserted into a transverse slide 603. The rotation of the transverse lead screw 611 drives the transverse slide 603 to move. A longitudinal motor, a longitudinal lead screw 612, and a longitudinal guide rod 613 are mounted on the transverse slide 603. The longitudinal lead screw 612 is connected to the output shaft of the longitudinal motor. The longitudinal lead screw 612 and the longitudinal guide rod 613... All are inserted and connected to the longitudinal slide 604. The longitudinal lead screw 612 rotates to drive the longitudinal slide 604 to move. The transverse slide 603 is provided with a positioning groove 614 that matches the longitudinal slide 604. The longitudinal slide 604 can be slidably installed in the positioning groove 614. A hopper is installed on the machine body 601. The hopper includes an upper hopper 615 and a lower hopper 616. The lower end of the upper hopper 615 is installed on the upper end of the lower hopper 616. The lower end of the lower hopper 616 is connected to the machine body 601. An extrusion motor 61 is installed at one end of the machine body 601. 7. A reducer 618 is installed inside the machine body 601, and the reducer 618 is connected between the conveying screw and the extrusion motor 617; a heating cover 619 is installed on the outer wall of the machine body 601; two supports 620 are provided on the longitudinal slide 604, and a hinge seat 621 is provided on the machine body 601. The hinge seat 621 is hinged between the two supports 620. When the telescopic rod of the second piston cylinder 606 extends outward, it pushes the second connecting seat 607 to move upward, thereby pushing the extrusion head 605 end of the machine body 601 to move upward.

[0058] like Figure 28 , Figure 29 and Figure 30As shown, the flow plate 1001 of the extruder die head mechanism is fixed to the front flange 1002-1 by several flange bolts 1005, and fixed to the extruder output port 1003 by several die head bolts 1006 passing through the nozzle flange 1002; an annular pressure plate 1007 is fitted on the flow plate 1001, and the flange bolts 1005 and die head bolts 1006 are all inserted into the annular pressure plate 1007; the filter body assembly 1004 includes components clamped between the front flange 1002-1 and the rear flange 1002-1. The annular body 1004-1 between 02-2 has a honeycomb filter plate 1004-2 embedded in its central hole. A filter screen 1004-3 is covered on the central hole of the annular body 1004-1 corresponding to the input side of the honeycomb filter plate 1004-2. The central hole of the front flange 1002-1 is a tapered hole with a small outer port and a large inner port. The filter body assembly 1004 is covered on the inner port of the tapered hole. The outer ring surface of the nozzle flange 1002 is embedded and fixed on the die head fixing wall 1008.

[0059] The die head is movably connected to the extruder output port 1003 by two sets of bolts. When the flow plate 1001 needs to be replaced, only the flange bolts 1005 need to be removed. When the filter screen needs to be replaced, only the die head bolts 1006 need to be removed, which is convenient and quick. The flow plate 1001 is fixed by the annular pressure plate 1007, which is a simple and reliable fixing method. The filter body assembly 1004 achieves dual filtration through the honeycomb filter plate 1004-2 in the middle and the filter screen 1004-3 on the inner side. It adopts a combined structure and is easy to disassemble and assemble. The central hole of the front flange 1002-1, which is smaller on the outside and larger on the inside, facilitates the introduction of extruded material into the inlet of the flow plate 1001.

[0060] like Figure 21 and Figure 22 As shown, a third pressure roller 705 is suspended above the extruded corrugated pipe 703 corresponding to the front side of the corrugated pipe diameter detection and control device. The third pressure roller 705 is elastically rolled and pressed onto the extruded corrugated pipe 703. The left horizontal patterned shaft 701 and the right horizontal patterned shaft 702 are arranged parallel to each other on the same horizontal plane and rotate synchronously. The two are exactly the same size and shape. The gap between the left horizontal patterned shaft 701 and the right horizontal patterned shaft 702 is smaller than the diameter of the extruded corrugated pipe 703. The control system is electrically connected to the warning mechanism. It also includes a first measuring pressure roller 704-1 elastically rolled and pressed onto the extruded corrugated pipe 703. The first measuring pressure roller 704-1 is connected to one end of the first telescopic guide rod 704-2. The other end of the first telescopic guide rod 704-2 is connected to the first sensor 704-3. The first sensor 704-3 is electrically connected to the control system. The left horizontal patterned shaft 701 and the right horizontal patterned shaft 702 are respectively connected to the output shaft of the drive motor. The drive motor is also electrically connected to the control system.

[0061] By setting a third pressure roller 705 on the front side of the first pipe diameter detection device 704, the extruded corrugated pipe 703 is kept stable, improving the accuracy of the first pipe diameter detection device 704. The left and right horizontal patterned shafts 702 are identical and rotate synchronously at the same speed, ensuring that the extruded corrugated pipe 703 is output at the same speed and that the output process remains balanced and stable, thereby ensuring the product quality of the extruded corrugated pipe 703. The gap between the left horizontal patterned shaft 701 and the right horizontal patterned shaft 702 is smaller than the diameter of the extruded corrugated pipe 703, ensuring that the extruded corrugated pipe 703 is clamped and supported between the left and right horizontal patterned shafts 702. The sensor detects the pipe diameter, which is simple, has high detection accuracy, and good sensitivity. The left and right horizontal patterned shafts 702 are rotated by a drive motor, and the control system adjusts and controls the speed of the drive motor in real time according to the detection information.

[0062] like Figure 23 , Figure 24 , Figure 25 , Figure 26 and Figure 27As shown, the sorting device also includes a second frame 903-1 docked to the output end of the cutting device 902. A triangular sorting guide platform 904 is laterally slidably connected above the bottom surface of the second frame 903-1 via a second cylinder 903-2. A qualified product conveying area 907 and a non-qualified product conveying area 908 are respectively located below the sides of the sorting guide platform 904. Classification conveyor belts 909 are respectively provided on the bottom surfaces of the qualified product conveying area 907 and the non-qualified product conveying area 908. The detection mechanism includes horizontal supports on the wave... Below the corrugated pipe section 905 is a support plate 906-1. A pressure sensor 906-2 is mounted on the bottom surface of the support plate 906-1. The inner end of the support plate 906-1 is rotatably connected to the sorting mechanism 903, and the outer end is connected to a drive mechanism 906-3 that can rotate it downwards. Both the pressure sensor 906-2 and the drive mechanism 906-3 are electrically connected to the control system. Above the corrugated pipe section 905, on the corresponding sorting mechanism 903, a distance measuring sensor 906-5 is suspended by a second lead screw 906-4. The ranging sensor 906-5 is electrically connected to the control system and controls the cutting device 902 to perform the cutting operation through the control system. The cutting device 902 includes a housing 902-1 and a geared motor 902-2 housed inside the housing 902-1. An arc-shaped blade 902-3 for cutting the extruded corrugated pipe is mounted on the output shaft of the geared motor 902-2. The geared motor 902-2 is electrically connected to the control system. A cutting baffle 902-4 is provided on the bottom surface of the housing 902-1 opposite to the direction of rotation of the arc-shaped blade 902-3. The corrugated pipe is axially slidably connected to the bottom surface of the housing 902-1; the corrugated pipe conveying mechanism 901 includes a left horizontal patterned shaft 701 and a right horizontal patterned shaft 702 that rotate in the same direction. The extruded corrugated pipe is axially supported between the left horizontal patterned shaft 701 and the right horizontal patterned shaft 702. A pipe diameter detection telescopic pressure roller 901-4 is suspended above the corrugated pipe. The pipe diameter detection telescopic pressure roller 901-4 is electrically connected to the control system. The control system controls the rotation speed of the left horizontal patterned shaft 701 and the right horizontal patterned shaft 702 in real time according to the detection information of the pipe diameter detection telescopic pressure roller 901-4.

[0063] The triangular sorting guide platform 904 is laterally slidably connected to the bottom surface of the second frame 903-1 via the second cylinder 903-2. The left and right movement of the sorting guide platform 904 allows qualified and unqualified corrugated pipe sections 905 to be transported to designated areas, achieving sorting of qualified and unqualified products. The second cylinder 903-2 automatically controls the movement direction based on the detection results through the control system. The left and right inclined surfaces formed by the triangular sorting guide platform 904 provide guidance, facilitating the downward sliding of the corrugated pipe sections 905 along the corresponding inclined surfaces. The sorting conveyor belt 909 is used to transport qualified and unqualified products outwards, saving time and effort. The pressure sensor 906-2 is used for... To detect the weight of the corrugated pipe section 905, the support plate 906-1 is rotatably connected to the drive mechanism 906-3. After the corrugated pipe section 905 is detected, the control system automatically controls the support plate 906-1 to flip downwards based on the detection information. The corrugated pipe section 905 on the support plate 906-1 then slides down to the sorting guide platform 904 for sorting. The distance sensor 906-5 is suspended on the second lead screw 906-4 (a graduated rod can be used instead of the second lead screw). The distance sensor 906-5 can automatically identify the end face position of the corrugated pipe section 905, thereby determining the length of the corrugated pipe section 905. This detection information is then transmitted to the control system, which in turn controls the cutting device 902. The cutting operation is performed to achieve continuous automatic cutting. Based on the length of the produced corrugated pipe section 905, the position of the distance sensor 906-5 can be automatically or manually adjusted by rotating the second lead screw 906-4 or the graduated guide rod, making adjustment convenient. The arc-shaped blade 902-3 is rotated by the reduction motor 902-2, resulting in high cutting speed, high torque, and a smooth cut surface. The arc-shaped blade 902-3 and the cutting baffle 902-4 form a shearing cutting state, which to some extent avoids deformation during corrugated pipe cutting, prevents lateral displacement of the corrugated pipe caused by cutting, and ensures cutting accuracy and subsequent production reliability. The extruded corrugated pipe 703 is clamped between the left and right horizontal patterned shafts 702. The left and right horizontal patterned shafts rotate in the same direction, and the patterns on their surfaces drive the extruded corrugated pipe 703 outward. A pipe diameter detection telescopic roller 901-4 is suspended above the extruded corrugated pipe 703. This roller detects the diameter of the extruded corrugated pipe 703 in real time and transmits the information to the control system. The control system then controls the rotation speed of the left and right horizontal patterned shafts 702 based on the detected value. When the detected value is less than the set value, the rotation speed of the left and right horizontal patterned shafts 702 decreases; when the detected value is greater than the set value, the rotation speed increases. The system also implements shutdown alarms when upper or lower warning values ​​are exceeded. This design is simple in structure, provides real-time detection, saves time and labor, and offers high detection efficiency and accuracy, ensuring the product quality of the extruded corrugated pipe 703.

[0064] like Figure 31 As shown, users can control the central control screen via the central control console to switch the content displayed on the interface. Specifically, this includes single-unit screen display, centralized display of multi-unit dimensional curves, separate large-screen display of single-unit dimensional curves, multi-unit system data display, separate large-screen display of single-unit system data, multi-unit alarm information display, multi-unit deviation correction interface display, system management interface display, and alarm type display. Figure 32 As shown, users can monitor all parameters during system operation in real time on this interface, and also achieve real-time control of the unit's operation. Figure 33 The image shows the software interface. The curves on the interface provide a clear view of the pipe diameter fluctuations and the time points at which deviations occur during the extrusion process.

[0065] When the device of this invention is working, the system first starts the program. After the program starts, the user inputs the processing standard on the interface. Then the system prompts the user to change to the specified type of thread to generate tooling according to the processing standard. At the same time, the system controls the length detection sensor to move to the specified position to meet the length dimension of the corrugated pipe. After the processing standard is set, the system starts the raw material surplus detection before production. The system detects whether the surplus material of the unwinding machine is sufficient (whether it is lower than the minimum standard value). When the remaining material is insufficient, the system issues an audible and visual alert, pauses system operation, and reminds the user to replenish raw materials on the interface. Once the system detects that the material has been replenished, it automatically proceeds to the next step. Replenishment of raw materials is accomplished through an automatic assist device. The system checks whether the remaining material in the dryer is sufficient (whether it is below the minimum standard value). When the remaining material is insufficient, the system issues an audible and visual alert, pauses system operation, and reminds the user to replenish raw materials on the interface. Once the system detects that the material has been replenished, it automatically proceeds to the next step. (Similarly, after production begins, the system also monitors the wire coil placement device and the remaining material in the dryer in real time. When the remaining material is insufficient, the system automatically stops and reminds the user to replenish materials until the system detects that the wire coil placement device and the remaining material in the dryer are sufficient before resuming production.) After completing the above steps, the system begins normal operation. Before the first operation of the system after replacing with new wire, the user needs to pre-tighten the wire using the wire tensioning device. After the pre-tightening step is completed, the system controls the wire coil placement device. The system works by feeding steel wire at a speed calculated by the system. The wire first passes through a wire threading device to generate threads. These threads then coat the corrugated tube with rubber at the extrusion end of the extruder. The extrusion temperature is controlled by a variable frequency heating device to maintain the extruded rubber at an optimal temperature, improving its plasticity and lifespan. An adjustable extrusion mechanism allows for real-time adjustment of the extrusion position. After coating, the pre-formed corrugated tube is further controlled by the variable frequency heating device to ensure uniform tube diameter. The tube then passes through a tube diameter detection and control device. The system analyzes and calculates the tube diameter data, and controls the adjustable extrusion mechanism and variable frequency heating device based on the data comparison to ensure the tube dimensions meet requirements. This data is displayed in real-time on the central control interface. Finally, the tube is conveyed to a sorting device. When a sensor above the sorting device detects the tube, the system controls a cutting mechanism to cut it, causing it to fall onto a sorting platform for further inspection and classification. This device can achieve simultaneous control of multiple production line systems using a single interface through centralized control software, which greatly improves efficiency compared to current products.

Claims

1. An automated production line for rubber and plastic hoses, comprising several automated production units for rubber and plastic hoses and a centralized control system, wherein the centralized control system includes a central control console and a central control screen, the central control screen being connected to the central control console, the central control console being connected to several sets of automated production units for rubber and plastic hoses respectively, the central control console realizing centralized control of several sets of automated production units for rubber and plastic hoses, controlling the production line to adjust its working status, and the central control screen centrally displaying the production information of several sets of automated production units for rubber and plastic hoses in real time; The automated production unit for rubber and plastic hoses includes: A variable frequency heating device and an adjustable extrusion mechanism are disclosed. The variable frequency heating device includes a heating conduit and a housing surrounding the heating conduit. The heating conduit is characterized by having several heating modules disposed on it, with baffles separating the heating modules to divide the inner cavity of the housing into several heating sections. Each heating module includes a coil for heating the heating conduit and a temperature sensor for detecting the temperature of the heating conduit. Each heating section has an inlet and an outlet; the inlet is connected to a cooling fan, and the outlet is connected to an outlet mechanism. The variable frequency heating device also includes a processing module, which is connected to the temperature sensor, the coil, and the cooling fan in the cooling fan. The adjustable extrusion mechanism includes a machine body, a second base, a transverse slide, and a longitudinal slide. The transverse slide is mounted on the second base and can move laterally, and the longitudinal slide is mounted on the transverse slide and can move longitudinally. One end of the machine body is hinged to the longitudinal slide, and a lifting and pushing mechanism is connected between the other end of the machine body and the longitudinal slide. An extrusion head is provided at one end of the machine body, and the lifting and pushing mechanism drives the machine body to rotate to adjust the height of the extrusion head. The automated production unit for rubber and plastic hoses also includes a wire roll placement device, which includes a reel for installing the wire roll, a first base, a fixed support plate, and a tilting table. The fixed support plate and the tilting table are arranged opposite to each other on the first base. The fixed support plate is fastened to the first base, and the tilting table is hinged to the first base and can be tilted relative to the first base. A damper is installed on the flipping table, and the damper has a damping insertion hole. The flipping table has mounting holes corresponding to the damping insertion hole. The upper end of the fixed support plate has a positioning slot. The first base has a positioning ring. The reel has a mounting shaft. One end of the mounting shaft can be inserted into the mounting hole and the damping insertion hole, and the other end of the mounting shaft can be installed into the positioning slot. When the tilting table tilts downwards towards the direction away from the fixed support plate to the horizontal unloading state, the mounting shaft is in a vertical state, the tilting table can be supported on the positioning ring, the damper is placed in the positioning ring and the damper stops working to release the tension force on the mounting shaft. When the tilting table tilts upwards towards the direction of the fixed support plate to the vertical loading state, the mounting shaft is in a horizontal state. One end of the mounting shaft is inserted into the mounting hole and the damping hole. The damper works to tighten the mounting shaft. The other end of the mounting shaft can be installed into the positioning slot. The automated production unit for rubber and plastic hoses also includes a wire thread generating device, which includes a wire guiding unit, a wire bending unit, and a processing unit. The wire guiding unit includes a guide seat and several pairs of guide wheels. The several pairs of guide wheels are mounted on the guide seat. The wire passes between each pair of guide wheels and is then fed into the wire bending unit. The wire bending unit includes a mounting base, a guide block, a guide forming pressure roller, and a drive assembly. The guide block has a wire outlet hole, and the guide forming pressure roller is rotatably mounted on the mounting base and its position is adjustable. The drive assembly includes an X-axis slide, a Y-axis slide, a first connecting seat, and two drivers. The Y-axis slide is slidably mounted on the X-axis slide, and the first connecting seat is slidably mounted on the Y-axis slide. The drivers on the X-axis slide drive the Y-axis slide to move along the X-axis, and the drivers on the Y-axis slide drive the first connecting seat. The seat moves along the Y-axis; the guide forming pressure roller is mounted on the first connecting seat; the driver includes a first drive motor and a drive screw, the output shaft of the first drive motor is connected to the drive screw, the first connecting seat and the Y-axis slide are both provided with screw holes, and the drive screws of the two drivers are respectively adapted to the screw holes on the first connecting seat and the Y-axis slide; the X-axis slide and the Y-axis slide are both provided with two slide rails, and the lower surfaces of the Y-axis slide and the first connecting seat are both provided with slide grooves that are adapted to the slide rails, and the slide grooves are correspondingly connected to the slide rails; The processing unit includes a pneumatic chuck, a chuck motor, and a mandrel fixture. One end of the mandrel fixture is clamped to the pneumatic chuck, and a driven wheel is mounted on the pneumatic chuck. A drive wheel is mounted on the output shaft of the chuck motor, and a transmission belt connects the drive wheel and the driven wheel. The rotation direction of the spiral wire on the mandrel fixture is opposite to the rotation direction of the mandrel fixture itself. The front part of the mandrel fixture gradually tapers towards the front end to form a release section, which is located between the glue dispensing machine and the traction machine. The traction machine is equipped with a first pressure roller and two drive shafts. The first pressure roller and the two drive shafts are arranged circumferentially along the corrugated pipe and are all in contact with the corrugated pipe. The drive shafts are driven by a motor and have patterns on their outer walls. The traction speed of the traction machine on the corrugated pipe is adjusted in coordination with the pushing speed of the wire to achieve the pitch adjustment of the spiral wire. The glue dispensing machine dispenses glue from the side, and the amount of glue dispensed changes according to the forward speed of the spiral wire. The glue wraps around the spiral wire to initially form a corrugated pipe. The automated production unit for rubber and plastic hoses also includes a wire tensioning device to control the tension of the wire; the wire tensioning device includes a first frame, a guide shaft, a traction rope, a torque output device, a winding wheel, a cutting mechanism, a second pressure wheel, two traction rollers, a corrugated pipe detection sensor, and a wire spiral machine; The guide shaft is mounted on the first frame, the traction rope passes around the guide shaft, and the outer wall of the guide shaft is provided with a V-shaped annular groove; the first frame is provided with a limiting groove for the bellows to pass through; The winding wheel is mounted on the torque output device, one end of the traction rope is connected to the winding wheel, and a V-shaped winding ring groove is provided on the outer wall of the winding wheel; the end of the traction rope away from the winding wheel is connected to an annular connecting ring, and the steel wire passes through the connecting ring and is knotted and secured. The cutting mechanism includes a cutter, a driver, a positioning seat, and two positioning blocks mounted on the positioning seat. The distance between the two positioning blocks is adjustable, and the bellows is clamped between the two positioning blocks. Guide rails are provided on the positioning seat and corresponding to the positioning blocks. The driver includes a second drive motor and a reducer. The output shaft of the second drive motor is connected to the input shaft of the reducer. The cutter is mounted on the output shaft of the reducer. The driver drives the cutter to rotate and cut the bellows. The cutter has an S-shaped structure. A cutter detector is provided between the two positioning blocks and is positioned above the bellows. The positioning blocks are provided with clearance grooves for the cutter to pass through. The second pressure roller and two traction rollers are installed on the first frame. The second pressure roller and two traction rollers are arranged along the circumference of the corrugated pipe and are all in contact with the corrugated pipe. The traction rollers rotate to pull the corrugated pipe. The wire spiral machine is equipped with a wire outlet and a tooling mandrel. The wire is fed out from the wire outlet and wound onto the tooling mandrel to form a spiral wire. The glue outlet of the glue machine applies glue to the spiral wire on the tooling mandrel. The bellows detection sensor is used to detect the bellows.

2. The automated production line for rubber and plastic hoses according to claim 1, characterized in that, The automated production unit for rubber and plastic hoses also includes an automatic assist device, which comprises a power unit that provides the pulling force for lifting heavy objects; a load-bearing part for attaching heavy objects and connected to the power unit; a detection part for detecting the movement state of the heavy objects and controlling the lifting, lowering, or stopping of the heavy objects based on the pressure value detected by the internal first pressure sensor, located between the power unit and the load-bearing part; and an emergency stop part that determines whether the heavy objects exceed the load limit based on the pressure value detected by the second pressure sensor. If the load limit is exceeded, the power unit is locked through PID regulation, and this part is installed inside the power unit.

3. The automated production line for rubber and plastic hoses according to claim 1, characterized in that, The automated production unit for rubber and plastic hoses also includes a sorting device, which includes a corrugated pipe conveying mechanism and a cutting device located at the output end of the corrugated pipe conveying mechanism. The output end of the cutting device is connected to the sorting mechanism. The sorting mechanism is equipped with a sorting guide platform and a detection mechanism for detecting the index parameters of the corrugated pipe sections. The detection mechanism is electrically connected to the cutting device and the sorting mechanism through a control system. The corrugated pipe sections detected by the detection mechanism are respectively guided into the qualified product conveying area or the unqualified product conveying area through the sorting mechanism.

4. The automated production line for rubber and plastic hoses according to claim 1, characterized in that, The automated production unit for rubber and plastic hoses also includes a corrugated pipe diameter detection and control device for detecting and adjusting the diameter of the extruded corrugated pipe.

5. A control method applicable to an automated production line for rubber and plastic hoses as described in any one of claims 1-4, characterized in that, This includes a sorting method for a sorting device, a control method for an automatic assist device, a control method for a variable frequency heating device, and a pipe diameter detection and control method. The pipe diameter detection and control method includes the following steps: Q1: The bellows begins to be generated and enters the detection area. The sensor starts to detect the size of the bellows and compares it with the actual preset size. If the size of the bellows detected by the sensor is larger than the actual preset size, proceed to Q2; if the size of the bellows detected by the sensor is smaller than the actual preset size, proceed to Q3. Q2: Determine if the bellows size exceeds the upper limit warning value. If the bellows size is less than the upper limit warning value, the traction motor accelerates. If the bellows size exceeds the upper limit warning value, continue to determine if the bellows size exceeds the upper limit alarm value. If the bellows size is less than the upper limit alarm value, a warning signal is triggered, and the traction motor accelerates. If the bellows size exceeds the upper limit alarm value, an alarm is issued, traction stops, the extrusion speed is reduced, and manual operation is required. Q3: Determine if the corrugated pipe size is less than the lower warning value. If the corrugated pipe size is greater than the lower warning value, the traction motor decelerates. If the corrugated pipe size is less than the lower warning value, continue to determine if the corrugated pipe size is less than the lower alarm value. If the corrugated pipe size is greater than the lower alarm value, a warning signal is triggered and the traction motor accelerates. If the corrugated pipe size is less than the lower alarm value, an alarm is issued, traction stops, the extrusion speed is reduced, and manual operation is required.

6. The control method for an automated production line of rubber and plastic hoses according to claim 5, characterized in that, The sorting method of the sorting device includes the following steps: L1: Set the index parameters of the bellows section, including the length, weight and pitch of the bellows section; L2: Adjust the position of the ranging sensor so that the distance between the ranging sensor and the curved blade is the length of the bellows section; L3: Start the corrugated pipe extrusion equipment, corrugated pipe conveying mechanism and sorting mechanism; L4: The control system calculates the number of rotations of the bellows based on the number of rotations of the bellows conveying mechanism, and calculates the pitch of the bellows section based on the length of the bellows section. L5: The output end of the bellows enters the sorting mechanism through the bellows conveying mechanism and the cutting device in sequence. When the adjustable distance sensor detects the bellows, it transmits the detection signal to the control system. The control system starts the reduction motor. After the arc blade rotates, the bellows is cut to form a bellows section. L6: The bellows section falls onto the support plate. The pressure sensor detects the weight of the bellows section and transmits the weight information to the control system. L7: The control system compares the detected value with the set index parameter value of the corrugated pipe section and determines whether the corrugated pipe section is qualified or unqualified. a: When the corrugated pipe section is qualified, the cylinder drives the sorting platform to the left, and the drive mechanism drives the support plate to rotate clockwise and downward. The corrugated pipe section slides down the right slope of the sorting platform to the qualified product conveying area. b: When the corrugated pipe section is defective, the cylinder drives the sorting platform to the right, and the drive mechanism drives the support plate to rotate clockwise downwards. The corrugated pipe section slides down the left slope of the sorting platform to the defective product conveying area.

7. The control method for an automated production line of rubber and plastic hoses according to claim 5, characterized in that, The control method for the automatic power assist device includes the following steps: When a heavy object is hung on the load-bearing part, the second pressure sensor detects the weight of the heavy object and adjusts the first pressure threshold and the second pressure threshold according to the weight. Enter automatic or manual mode selection. In manual mode, the load is raised or lowered via remote control. In automatic mode, the load is raised or lowered by pulling the handle. The control unit detects whether the signal waveform transmitted by the first pressure sensor matches the third waveform signal table and then compares the pressure. When the pressure value transmitted by the first pressure sensor is greater than the first pressure threshold, the PID adjustment module controls the power unit to lower the load. When the pressure value transmitted by the first pressure sensor is less than the second pressure threshold, the PID adjustment module controls the power unit to raise the load. When the signal waveform transmitted by the first pressure sensor matches the first waveform signal table, it is determined that the heavy object is in contact with the ground, and the power unit is stopped by the PID control module. When the signal waveform transmitted by the first pressure sensor matches the second waveform signal, it is determined that the heavy object has collided, and the power unit is stopped by controlling the PID control module. When the weight information transmitted by the second pressure sensor cannot be received, the output shaft of the geared motor is locked by the PID control module, thus locking the winding reel.

8. The control method for an automated production line of rubber and plastic hoses according to claim 5, characterized in that, The control method for the variable frequency heating device includes the following steps: S1. The actual temperature of the heating zone is monitored in real time by a set temperature sensor; S2. Determine whether to heat or cool based on the temperature difference between the actual temperature and the rated temperature; S3. In the heating state, control the coil to heat up, heat each heating part in a gradient, and stop heating when the actual temperature reaches the rated temperature; When the actual temperature reaches the upper limit temperature during the cooling process, the air cavity heat dissipation device is controlled to cool down the air. The cooling power is different depending on the temperature difference between the actual temperature and the upper limit temperature. Cooling stops when the actual temperature reaches the rated temperature. The specific heating process in S3 includes: S301. The temperature difference between the actual temperature and the rated temperature is refined into multiple temperature ranges; S302. Heat each heating element to the set temperature within the current temperature range; S303. Check whether the temperature of each heating element has reached the set temperature of the current temperature range. If not, return to continue checking the temperature of each heating element. If yes, proceed to the next step. S304. Determine whether the temperature of each heating part has reached the rated temperature after heating. If yes, the coil stops heating. If no, proceed to the next temperature range for heating and return to step S301. The specific cooling process in S3 includes: S311. Determine whether the actual temperature has reached the upper limit temperature. If yes, proceed to the next step; otherwise, return to step S2. S312. Determine whether the absolute value of the difference between the actual temperature and the rated temperature, |△T|, is greater than t. If yes, proceed to step S313; otherwise, proceed to step S314. S313. Control the air cavity heat dissipation device to work at the first frequency to perform high-power heat dissipation, and proceed to step S315; S314. Control the air cavity heat dissipation device to operate at the second frequency for low-power heat dissipation, and proceed to step S315; S315. Determine whether the temperature of each heating part has reached the rated temperature after cooling. If yes, the air cavity heat dissipation device stops working; otherwise, return to step S312.

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