Hot air control method, system and equipment of hot air seam sealing machine and medium

Abstract

The invention relates to a hot air control method, system and equipment of a hot air seam sealing machine and a medium, and relates to the technical field of hot air seam sealing machine control, and the method comprises the following steps: obtaining a sewing line heat sealing position of cloth on a lower rubber wheel in real time, and mapping the sewing line heat sealing position to a top side line of a heating area of a tuyere of a hot air gun on the surface of an adhesive tape; and performing deviation value matching on the sewing line heat sealing position and the center position of the top side line, and driving an air nozzle to adjust a downward inclination angle and a horizontal declination angle according to the deviation value. The hot air seam sealing machine can be adjusted in real time according to the actual condition of clothes stitches, and the waterproof air permeability of heat-sealed clothes is improved.

Description

Technical Field

[0001] The present application relates to the technical field of hot air seam sealing machine control, and in particular to a hot air control method, system, equipment and medium for a hot air seam sealing machine. Background Art

[0002] As consumers' demands for clothing quality continue to rise, clothing must not only be aesthetically pleasing but also possess excellent waterproof and breathable properties. Heat-sealing technology can effectively seal gaps in clothing, preventing the ingress of moisture and air while ensuring a certain degree of breathability, thereby improving the overall quality and wearing experience of clothing. Good heat-sealing effects can extend the lifespan of clothing, meet the needs of different consumers in different usage scenarios, and ultimately enhance the competitiveness of clothing companies in the market.

[0003] Conventional heat sealing technology typically uses experience to set fixed hot air temperatures and nozzle angles, relying primarily on visual observation and manual adjustments during the heat sealing process. For example, if the heat seal line isn't perfectly flat, the operator will slightly adjust the nozzle angle based on experience. Another approach is to pre-set standard heat sealing programs for common clothing materials before the equipment leaves the factory. Operators simply select the appropriate program to perform the heat sealing operation.

[0004] However, these existing technologies have significant drawbacks. Due to the significant differences in the properties of different clothing materials, pre-set fixed parameters are difficult to adapt to all situations, resulting in difficulty in creating a firm and smooth seal on the seams. Furthermore, traditional manual observation and adjustment methods are subject to significant subjectivity and errors, making it difficult to accurately adjust the seams in real time based on their actual condition. This severely impacts the waterproof and breathable properties of the heat-sealed garment, making it difficult to meet the high-quality heat-sealing requirements of the modern apparel industry. Summary of the Invention

[0005] The first purpose of this application is to provide a hot air control method for a hot air seam sealing machine, which can adjust the hot air seam sealing machine in real time according to the actual situation of the clothing seams, thereby improving the waterproof and breathable properties of the clothing after heat sealing.

[0006] In a first aspect, the present application provides a hot air control method for a hot air seam sealing machine, which adopts the following technical solution: A hot air control method for a hot air seam sealing machine, comprising: Acquire the heat-sealed seam position of the fabric on the lower rubber wheel in real time, and map the heat-sealed seam position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface; The seam heat sealing position is matched with the center position of the top edge line by a deviation value, and the air nozzle is driven to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value.

[0007] By adopting the above technical solution, since the hot air is more concentrated in the upper edge area of ​​the nozzle, the position of the fabric seam is captured in real time, and the highest temperature position of the hot air ejected by the nozzle and the seam heat sealing position are adjusted based on the offset of the seam and the tape, and the downward inclination angle and horizontal deflection angle of the nozzle are dynamically adjusted, thereby increasing the temperature of the hot air focused on the seam to the overlapping position of the tape and the seam, thereby improving the sealing degree of the seam, improving the waterproof and breathable properties, and improving the efficiency of hot air use.

[0008] In a preferred example, the present application may be further configured as follows: the step of obtaining the seam heat seal position of the fabric on the lower rubber wheel in real time and mapping the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface includes: Obtaining the midpoint of the intersection line of the upper rubber wheel and the lower rubber wheel, setting the midpoint as the origin of the coordinate axis to establish a three-dimensional coordinate system; According to the direction of the suture entry, the coincidence point between the suture and the intersection line is obtained and set as the suture heat sealing position; Map the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface.

[0009] By adopting the above technical solution, the position where the seam is pressed by the upper and lower rubber wheels is used as the seam heat sealing position, and the top edge of the air nozzle is mapped as a reference line to preliminarily provide a correspondence between the seam and the hot air gun, so that the hot air temperature of the hot air gun coincides with the seam of the clothing at the highest temperature position on the tape, thereby forming a firm and smooth sealing line and improving waterproof and breathable properties.

[0010] In a preferred example, the present application may be further configured as follows: the step of matching the seam heat sealing position with the center position of the top edge line by a deviation value, and driving the nozzle to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value, includes: Mapping the coincidence point and the center position of the top edge of the hot air gun nozzle to the position of the highest temperature point on the tape surface for deviation matching; The actual coordinates of the deviation value are obtained based on the three-dimensional coordinate system, and the hot air gun is re-driven to adjust the downward inclination angle and the horizontal deflection angle so that the highest temperature point and the coincidence point intersect.

[0011] By adopting the above technical solution, the midpoint of the top edge of the nozzle is used as a reference point, and the positional relationship between it and the seam heat sealing position is confirmed. Based on the positional relationship, the hot air gun is re-driven to make the highest temperature point and the coincidence point intersect, thereby realizing dynamic adjustment of the nozzle angle, thereby improving the accuracy of the heat sealing machine in forming a firm and smooth sealing line, and improving waterproof and breathable properties.

[0012] In a preferred example, the present application may be further configured as follows: before the step of obtaining the seam heat seal position of the fabric on the lower rubber wheel in real time and mapping the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface, the step further includes: Drive the hot air gun to adjust the downtilt angle and horizontal deflection angle according to the preset hot air gun angle; Calling the optimal temperature in the pre-stored material database, and adjusting the initial hot air temperature of the hot air gun according to the optimal temperature; The pressure parameters in the pre-stored material database are called, and the initial pressure of the upper rubber wheel and the lower rubber wheel are adjusted according to the pressure parameters.

[0013] By adopting the above technical solution, the optimal temperature of the pre-stored material database is called to adjust the initial hot air temperature of the hot air gun, so that the hot air temperature can be adapted to the requirements of different materials. The pressure parameters are called to adjust the initial pressure of the upper rubber wheel and the lower rubber wheel, which can ensure that the pressure between the upper rubber wheel and the lower rubber wheel is appropriate, and better achieve firm and flat heat sealing of fabrics of different materials, thereby improving waterproof and breathable properties.

[0014] In a preferred example, the present application may be further configured as follows: the step of driving the hot air gun to adjust the downtilt angle and the horizontal deflection angle according to a preset hot air gun angle includes: Based on the historical suture heat seal positions, predict the suture heat seal positions within the future tolerance time; The predicted seam heat seal position is matched with the center position of the current hot air gun nozzle on the top edge of the heating area on the tape surface by the deviation value, and the preset hot air gun angle is determined based on the deviation value, and the initial downward tilt angle and horizontal deflection angle of the hot air gun are adjusted.

[0015] By adopting the above technical solution, the preset hot air gun angle is determined in advance and the initial downward inclination angle and horizontal deflection angle of the hot air gun are adjusted, which helps to heat the seam heat sealing position more accurately in the future, so that the heat sealing machine can form a firm and smooth sealing line on different materials, thereby improving waterproof and breathable properties.

[0016] In a preferred example, the present application may be further configured as follows: before the step of matching the seam heat-sealing position with the center position of the top edge line by a deviation value, and driving the nozzle to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value, the step further includes: If the seam position cannot be detected, the seam heat sealing position is calculated based on the angular displacement of the lower rubber wheel and the slip compensation coefficient.

[0017] By adopting the above technical solution, when the seam position cannot be detected, the seam heat sealing position can be calculated based on the angular displacement of the lower rubber wheel and the slip compensation coefficient, and the nozzle angle can still be dynamically adjusted to ensure waterproof and breathable properties.

[0018] In a preferred example, the present application may be further configured as follows: before the step of calculating the seam heat seal position based on the angular displacement of the lower rubber wheel and the slip compensation coefficient if the seam position cannot be detected, the step further includes: If the stitching track is not detected in consecutive preset frames, or the noise area of ​​the stitching track exceeds the preset pixel threshold, it is determined that the stitching position cannot be detected.

[0019] By adopting the above technical solution, the prerequisite is provided for the subsequent calculation of the seam heat sealing position based on the angular displacement of the lower rubber wheel and the slip compensation coefficient, which helps to ensure the continuous acquisition of the seam heat sealing position during the hot air control process of the hot air seam sealing machine.

[0020] In a second aspect, the present application provides a hot air control system for a hot air seam sealing machine, which adopts the following technical solution: a hot air control system for a hot air seam sealing machine, comprising: Heat seal position mapping module: used to obtain the heat seal position of the seam of the fabric on the lower rubber wheel in real time, and map the heat seal position of the seam to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface; Nozzle position adjustment module: used to match the seam heat sealing position with the center position of the top edge line by a deviation value, and drive the nozzle to adjust the downward inclination angle and horizontal deflection angle according to the deviation value.

[0021] In a third aspect, the present application provides an electronic device, which adopts the following technical solution: An electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the hot air control method of the hot air seam sealing machine are implemented.

[0022] In a fourth aspect, the present application provides a computer storage medium, including the following technical solutions: A computer-readable storage medium stores a computer program, which, when executed by a processor, implements the steps of the hot air control method of the hot air seam sealing machine.

[0023] In summary, this application has the following beneficial technical effects: This application obtains the actual seam heat seal position in real time and maps it to the top edge of the heating area. After comparison, the downward inclination angle and horizontal deflection angle of the air nozzle are adjusted according to the deviation value. The high temperature position of the hot air can be accurately applied to the seam position through the tape, effectively improving the waterproof and breathable properties of the clothing after heat sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a flow chart of a hot air control method for a hot air seam sealing machine in one embodiment of the present application.

[0025] Figure 2 This is a flowchart of the sub-steps of step S1 in one embodiment of the present application.

[0026] Figure 3 This is a flowchart of the sub-steps of step S2 in one embodiment of the present application.

[0027] Figure 4 This is a flowchart of the steps added before step S1 in one embodiment of the present application.

[0028] Figure 5 This is a flowchart of the sub-steps of step S13 in one embodiment of the present application.

[0029] Figure 6 This is a flowchart of the steps added before step S2 in one embodiment of the present application.

[0030] Figure 7 This is a flowchart of the sub-steps of step S22 in one embodiment of the present application.

[0031] Figure 8 This is a structural schematic diagram of a hot air control system of a hot air seam sealing machine in one embodiment of the present application.

[0032] Figure 9 It is a principle block diagram of an electronic device in one embodiment of the present application.

[0033] Reference numerals: 1. heat sealing position mapping module; 2. nozzle position adjustment module. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-9 This application is described in further detail.

[0035] It should be noted that all actions of obtaining data or information or data in this application are carried out in compliance with the relevant data protection laws and policies of the country where they are located and with the authorization of the corresponding users.

[0036] refer to Figure 1 A hot air control method for a hot air seam sealing machine, comprising: S1. Obtain the heat-sealing position of the seam of the fabric on the lower rubber wheel in real time, and map the heat-sealing position of the seam to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface.

[0037] Specifically, a supporting ramp equipped with an infrared detection module is provided on the feeding side of the lower rubber wheel. The infrared detection module can solve the problem of missing capture of seams of dark / reflective fabrics and establish an anti-interference spatial reference for hot air focusing.

[0038] S2. Match the seam heat seal position with the center position of the top edge line by the deviation value, and drive the nozzle to adjust the downward inclination angle and horizontal deflection angle according to the deviation value.

[0039] Specifically, after matching the seam heat seal position with the top edge line, the deviation value is matched with the center position of the top edge line, which can effectively focus the heat flow of the hot air on the seam-tape overlap area, thereby improving the sealing degree of the seam, improving the waterproof and breathable properties, and improving the efficiency of hot air use.

[0040] refer to Figure 2 Furthermore, in one embodiment, step S1 is further divided into the following sub-steps: S10, obtaining the midpoint of the intersection line of the upper rubber wheel and the lower rubber wheel, setting the midpoint as the origin of the coordinate axis to establish a three-dimensional coordinate system.

[0041] Specifically, a high-speed camera on one side of the upper / lower rubber wheel captures the tangent point of the upper / lower rubber wheel in real time, and a right-hand coordinate system is established with the midpoint O of the intersection line of the two wheels as the origin: the Z axis is perpendicular to the tape plane, the X axis is along the fabric feed direction, and the Y axis satisfies the right-hand rule.

[0042] S11. According to the thread entry direction of the suture, the coincidence point of the suture and the intersection line is obtained and set as the suture heat sealing position.

[0043] Specifically, the projection displacement difference Δl of the suture on the sensor array is calculated by the difference in light intensity attenuation of adjacent receiving tubes. According to the trigonometric relationship, the actual inclination angle β of the suture satisfies: β=arcsin(Δl / D), Where D is the distance between adjacent infrared sensors, and Δl is obtained by inverse calculation of the signal attenuation ratio.

[0044] Based on the top reference height H0 of the inclined platform, the actual inclination angle β of the suture, and the radius R of the lower rubber wheel, the initial coordinates P0 of the suture entry point are calculated: P0(X0,Z0)=(0,H0-R·sinβ).

[0045] The suture extends along the inclination angle β, and its trajectory equation is: X(t)=v·t,Z(t=(H s -R·sinβ)+v·t·tanβ, where v is the fabric feed speed.

[0046] Assuming the intersection line is the horizontal line Z = 0, the intersection time is solved by the simultaneous equations: Substituting the three-dimensional coordinates of the rubber wheel intersection point into the equation: P seal =(v·t0,0,0), where the Y coordinate is determined by the axial position of the suture on the rubber wheel.

[0047] Map the seam heat sealing point on the lower rubber wheel coordinates to the corresponding position on the upper rubber wheel through spatial transformation: Among them, T is the rotation and translation matrix from the lower rubber wheel to the upper rubber wheel, which is the distance between the two wheel axes L axis and height difference ΔH; D is the feed displacement compensation vector of the fabric from the lower rubber wheel to the upper rubber wheel Δt is the fabric transmission delay.

[0048] S12. Mapping the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface.

[0049] Specifically, based on the top edge of the heating area formed by the nozzle on the surface of the upper rubber wheel, a mapping relationship is established through the nozzle thermal field distribution model: The highest temperature zone of the hot air is located at the top edge of the heating area formed by the nozzle on the tape surface, that is, the peak value of the heat flux density, which satisfies the ellipse equation: Where (x c ,y c ) peak center. In this embodiment, the actual length L of the nozzle slit was measured, with the major axis a = 0.6L. The actual width W of the nozzle slit was measured, with the minor axis b = 0.5W. The location where the seam is pressed against the upper and lower rubber rollers is used as the seam heat seal position. The top edge of the nozzle is then used as a reference line for mapping to provide a preliminary correspondence between the seam and the heat gun. This ensures that the hot air temperature of the heat gun at the highest point on the tape coincides with the seam of the garment, thus forming a firm and smooth seal.

[0050] In addition, reference Figure 3 Furthermore, in one embodiment, step S2 is further divided into the following sub-steps: S20, mapping the coincidence point and the center position of the top edge line of the hot air gun nozzle to the position of the highest temperature point on the tape surface to perform deviation value matching.

[0051] Specifically, P upper Project it onto the ellipse equation, compare it with the vertex of the ellipse's major axis, and calculate the three-dimensional deviation vector (Δx, Δy, Δz).

[0052] S21. Obtain the actual coordinates of the deviation value based on the three-dimensional coordinate system, and re-drive the hot air gun to adjust the downward tilt angle and the horizontal deflection angle so that the highest temperature point and the coincidence point intersect.

[0053] Specifically, a high-precision servo mechanism is driven based on a three-dimensional deviation vector. That is, the downward tilt angle adjustment amount is proportional to the vertical plane offset distance, and the horizontal deflection angle adjustment amount is proportional to the horizontal offset angle. The dual-axis rotation angle is calculated in real time so that the highest temperature point and the coincidence point intersect, thereby improving the accuracy of the heat sealing machine in forming a firm and smooth sealing line and improving the waterproof and breathable properties.

[0054] In addition, reference Figure 4 Furthermore, in one embodiment, before step S1, steps S13, S14, and S15 are added: S13, driving the hot air gun to adjust the downward tilt angle and the horizontal deflection angle according to the preset hot air gun angle.

[0055] Specifically, based on the pre-stored nozzle angle parameter library, including the downward tilt angle and horizontal deflection angle, the high-precision servo mechanism is driven to perform initial positioning, so as to better achieve firm and flat heat sealing of fabrics of different materials and improve waterproof and breathable properties.

[0056] S14, calling the optimal temperature in the pre-stored material database, and adjusting the initial hot air temperature of the hot air gun according to the optimal temperature.

[0057] Specifically, the corresponding material can be selected through the touch screen page, and the optimal temperature can be automatically adjusted according to the selected material to achieve material adaptive temperature control.

[0058] S15, calling the pressure parameters in the pre-stored material database, and adjusting the initial pressures of the upper rubber wheel and the lower rubber wheel according to the pressure parameters.

[0059] Specifically, the corresponding material can be selected through the page of the touch screen, and the initial pressure is automatically adjusted according to the selected material to make the pressure on the tape-cloth interface uniform.

[0060] In addition, reference Figure 5 Furthermore, in one embodiment, step S13 is further divided into the following sub-steps: S130: Based on the historical suture heat seal positions, predict the suture heat seal positions within the future tolerance time.

[0061] Specifically, in this implementation, the ARIMA time series model is used to predict the seam heat seal position coordinates for the next 20 milliseconds based on the seam position history data from the last 5 seconds. Furthermore, the model training uses the least squares method to fit the acceleration characteristics of the fabric motion to achieve seam position prediction.

[0062] S131. Match the predicted seam heat seal position with the center position of the current hot air gun nozzle on the top edge of the heating area on the tape surface by a deviation value, determine a preset hot air gun angle based on the deviation value, and adjust the initial downward inclination angle and horizontal deflection angle of the hot air gun.

[0063] Specifically, the predicted position is matched with the center coordinates of the top edge of the current nozzle heating zone in three dimensions, and the servo mechanism is pre-adjusted to the theoretical angle, which helps to more accurately heat the seam heat sealing position with hot air in the future, so that the heat sealing machine can form a firm and smooth sealing line on different materials, thereby improving waterproof and breathable properties.

[0064] In addition, reference Figure 6 Furthermore, in one embodiment, before step S2, a step S22 is added: S22, if the suture position cannot be detected, the suture heat sealing position is calculated based on the angular displacement of the lower rubber wheel and the slip compensation coefficient.

[0065] Specifically, an incremental rotary encoder is installed on the lower rubber wheel drive shaft, and the mechanical gap is eliminated through an elastic coupling. The encoder signal line is connected to the high-speed counter module. If the stitching position cannot be detected, the lower rubber wheel encoder angular displacement mode is switched to. The angular displacement is calculated by reading the encoder pulse number N in real time and combining it with the lower rubber wheel radius R. Where P is the number of pulses per revolution of the encoder.

[0066] Furthermore, the theoretical displacement of the cloth S0 = R·θ is calculated.

[0067] Then, based on the material of the cloth, the pre-stored slip coefficient μ is called and the actual displacement S 实 =S0·(1+μ) Calculate the seam heat seal position in real time, compensate for fabric slippage errors, and ensure waterproof and breathable properties.

[0068] In addition, reference Figure 7 Furthermore, in one embodiment, step S22 is further divided into the following sub-steps: S220: If the stitching track is not detected in consecutive preset frames, or the noise area of ​​the stitching track exceeds the preset pixel threshold, it is determined that the stitching position cannot be detected.

[0069] Specifically, in this embodiment, when the high-speed vision system fails to capture the complete suture trajectory for three consecutive frames, or the detected suture contour noise area exceeds 15% of the total area of ​​a single frame, the position detection failure flag is immediately triggered, which helps to ensure the continuous acquisition of the suture heat sealing position during the hot air control process of the hot air seam sealing machine.

[0070] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.

[0071] The embodiment of the present application also provides a hot air control system of a hot air seam sealing machine, and the hot air control system of the hot air seam sealing machine corresponds one-to-one to the hot air control method of the hot air seam sealing machine in the embodiment.

[0072] refer to Figure 8 A hot air control system for a hot air seam sealing machine includes: a heat sealing position mapping module 1 and a nozzle position adjustment module 2. The functional modules are described in detail as follows: Heat seal position mapping module 1: used to obtain the heat seal position of the seam of the fabric on the lower rubber wheel in real time, and map the heat seal position of the seam to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface; Nozzle position adjustment module 2: used to match the deviation value between the seam heat seal position and the center position of the top edge line, and drive the nozzle to adjust the downward inclination angle and horizontal deflection angle according to the deviation value.

[0073] Among them, the heat sealing position mapping module 1 maps the seam heat sealing position of the rubber wheel under the fabric to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface, and preliminarily confirms the seam heat sealing position and the approximate position of the highest hot air temperature ejected by the nozzle, and then matches it to the exact position with the highest hot air temperature through the nozzle position adjustment module 2, and then adjusts the highest temperature position of the hot air according to the real-time seam heat sealing position, so as to focus the high temperature on the hot air temperature at the seam to the overlapping position of the tape and the seam, thereby improving the waterproof and breathable properties of the clothing after heat sealing.

[0074] For the specific definition of the hot air control system of the hot air seam sealing machine, please refer to the definition of the hot air control method of the hot air seam sealing machine in the context, which will not be repeated here. Each module in the hot air control system of the hot air seam sealing machine can be fully or partially implemented by software, hardware and their combination. The above modules can be embedded in or independent of the processor in the electronic device in the form of hardware, or can be stored in the memory of the electronic device in the form of software, so that the processor can call and execute the operations corresponding to the above modules. In one embodiment, an electronic device is provided, which is a user terminal. Reference Figure 9 The electronic device includes a processor, a memory, a network interface, and a database connected via a system bus. The processor of the electronic device is used to provide computing and control capabilities. The memory of the electronic device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of the operating system and computer program in the non-volatile storage medium. The database of the electronic device is used to store a detection data table. The network interface of the electronic device is used to communicate with an external terminal via a network connection. When the computer program is executed by the processor, a hot air control method for a hot air seam sealing machine is implemented.

[0075] In one embodiment, an electronic device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the following steps are performed: S1. Obtain the heat-sealing position of the seam of the fabric on the lower rubber wheel in real time, and map the heat-sealing position of the seam to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface.

[0076] S2. Match the seam heat seal position with the center position of the top edge line by the deviation value, and drive the nozzle to adjust the downward inclination angle and horizontal deflection angle according to the deviation value.

[0077] In one embodiment, the sub-steps of step S1 include: S10, obtaining the midpoint of the intersection line of the upper rubber wheel and the lower rubber wheel, setting the midpoint as the origin of the coordinate axis to establish a three-dimensional coordinate system.

[0078] S11. According to the thread entry direction of the suture, the coincidence point of the suture and the intersection line is obtained and set as the suture heat sealing position.

[0079] S12. Mapping the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface.

[0080] In one embodiment, the sub-steps of step S2 include: S20, mapping the coincidence point and the center position of the top edge line of the hot air gun nozzle to the position of the highest temperature point on the tape surface to perform deviation value matching.

[0081] S21. Obtain the actual coordinates of the deviation value based on the three-dimensional coordinate system, and re-drive the hot air gun to adjust the downward tilt angle and the horizontal deflection angle so that the highest temperature point and the coincidence point intersect.

[0082] In one embodiment, the steps added before step S1 include: S13, driving the hot air gun to adjust the downward tilt angle and the horizontal deflection angle according to the preset hot air gun angle.

[0083] S14, calling the optimal temperature in the pre-stored material database, and adjusting the initial hot air temperature of the hot air gun according to the optimal temperature.

[0084] S15, calling the pressure parameters in the pre-stored material database, and adjusting the initial pressures of the upper rubber wheel and the lower rubber wheel according to the pressure parameters.

[0085] In one embodiment, the detailed sub-steps of step S13 include: S130: Based on the historical suture heat seal positions, predict the suture heat seal positions within the future tolerance time.

[0086] S131. Match the predicted seam heat seal position with the center position of the current hot air gun nozzle on the top edge of the heating area on the tape surface by a deviation value, determine a preset hot air gun angle based on the deviation value, and adjust the initial downward inclination angle and horizontal deflection angle of the hot air gun.

[0087] In one embodiment, the steps added before step S2 include: S22. If the seam position cannot be detected, the seam heat sealing position is calculated based on the angular displacement of the lower rubber wheel and the slip compensation coefficient.

[0088] In one embodiment, the sub-steps of step S22 include: S220: If the stitching track is not detected in consecutive preset frames, or the noise area of ​​the stitching track exceeds the preset pixel threshold, it is determined that the stitching position cannot be detected.

[0089] Those skilled in the art will appreciate that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0090] Those skilled in the art will clearly understand that for the sake of convenience and brevity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

Claims

1. A hot air control method for a hot air seam sealing machine, characterized in that: include: Acquire the heat-sealed seam position of the fabric on the lower rubber wheel in real time, and map the heat-sealed seam position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface; The seam heat sealing position is matched with the center position of the top edge line by a deviation value, and the air nozzle is driven to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value.

2. The method according to claim 1, characterized in that The step of obtaining the seam heat seal position of the fabric on the lower rubber wheel in real time and mapping the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface includes: Obtaining the midpoint of the intersection line of the upper rubber wheel and the lower rubber wheel, setting the midpoint as the origin of the coordinate axis to establish a three-dimensional coordinate system; According to the direction of the suture entry, the coincidence point between the suture and the intersection line is obtained and set as the suture heat sealing position; Map the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface.

3. The method according to claim 2, characterized in that The step of matching the seam heat sealing position with the center position of the top edge line by a deviation value, and driving the nozzle to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value includes: Mapping the coincidence point and the center position of the top edge of the hot air gun to the position of the highest temperature point on the tape surface for deviation matching; The actual coordinates of the deviation value are obtained based on the three-dimensional coordinate system, and the hot air gun is re-driven to adjust the downward inclination angle and the horizontal deflection angle so that the highest temperature point and the coincidence point intersect.

4. The method according to claim 1, wherein Before the step of obtaining the seam heat seal position of the fabric on the lower rubber wheel in real time and mapping the seam heat seal position to the top edge of the heating area of ​​the hot air gun nozzle on the tape surface, the method further includes: Drive the hot air gun to adjust the downtilt angle and horizontal deflection angle according to the preset hot air gun angle; Calling the optimal temperature in the pre-stored material database, and adjusting the initial hot air temperature of the hot air gun according to the optimal temperature; The pressure parameters in the pre-stored material database are called, and the initial pressure of the upper rubber wheel and the lower rubber wheel are adjusted according to the pressure parameters.

5. The method according to claim 4, characterized in that The step of driving the hot air gun to adjust the downtilt angle and the horizontal deflection angle according to the preset hot air gun angle includes: Based on the historical suture heat seal positions, predict the suture heat seal positions within the future tolerance time; The predicted seam heat seal position is matched with the center position of the current hot air gun nozzle on the top edge of the heating area on the tape surface by the deviation value, and the preset hot air gun angle is determined based on the deviation value, and the initial downward tilt angle and horizontal deflection angle of the hot air gun are adjusted.

6. The method according to claim 1, characterized in that Before the step of matching the seam heat sealing position with the center position of the top edge line by a deviation value and driving the nozzle to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value, the method further includes: If the seam position cannot be detected, the seam heat sealing position is calculated based on the angular displacement of the lower rubber wheel and the slip compensation coefficient.

7. The method according to claim 6, characterized in that Before the step of calculating the seam heat sealing position based on the angular displacement of the lower rubber wheel and the slip compensation coefficient if the seam position cannot be detected, the method further includes: If the stitching track is not detected in consecutive preset frames, or the noise area of ​​the stitching track exceeds the preset pixel threshold, it is determined that the stitching position cannot be detected.

8. A hot air control system for a hot air seam sealing machine, characterized in that: include: Heat seal position mapping module (1): used for obtaining the heat seal position of the seam of the fabric on the lower rubber wheel in real time, and mapping the heat seal position of the seam to the top edge of the heating area of ​​the nozzle of the hot air gun on the surface of the tape; Nozzle position adjustment module (2): used for matching the seam heat sealing position with the center position of the top edge line by a deviation value, and driving the nozzle to adjust the downward inclination angle and the horizontal deflection angle according to the deviation value.

9. An electronic device, characterized in that: The method comprises a memory and a processor, wherein the memory stores a computer program that can be loaded by the processor and executes the hot air control method of the hot air seam sealing machine according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that A computer program is stored which can be loaded by a processor and execute the hot air control method for a hot air seam sealing machine according to any one of claims 1 to 7.

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