Gummed paper ring cylinder fixing device and sectional material gummed paper packaging equipment

Abstract

The invention describes a gummed paper drum fixing device and section gummed paper packaging equipment, and the gummed paper drum fixing device comprises a guide shaft, a fixing shaft, a rotating shaft, a rotating shaft and a driving device, and one end of the guide shaft is used for being installed on external section gummed paper packaging equipment; the rotating part is arranged on the guide shaft in a sleeving manner and can rotate around the guide shaft; the limiting assemblies are connected to the guide shaft, and the limiting assemblies are located at the two opposite ends of the rotating part; and the tensioning assembly is connected to the rotating part, the tensioning assembly has elasticity, and the tensioning assembly is used for abutting against the inner wall of the gummed paper ring cylinder under the action of elastic reset force. Therefore, in the process of placing and taking down the gummed paper ring cylinder, any part does not need to be disassembled additionally, and the whole operation process is convenient and fast. In addition, different from a traditional fixing device, the gummed paper ring barrel fixing device can omit the work of adjusting the gap between the gummed paper ring barrel and the fixing gasket, the requirement for the operation skill of workers is low, and the operation efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of production packaging, and in particular to a tape ring fixing device and profile tape packaging equipment. Background Art

[0002] In order to effectively protect aluminum profiles, the surface of aluminum profiles usually needs to be wrapped and covered with a layer of adhesive tape when leaving the factory to prevent scratches during transportation and dust and moisture during storage. This packaging process is generally completed by a profile packaging machine. During the packaging process, the adhesive tape cylinder used for packaging needs to be fixed on a fixing device. In the fixed device profile packaging machine, the adhesive tape cylinder rotates on the device to achieve automatic adhesive feeding.

[0003] like Fig.12 As shown in the figure, the existing fixing device mostly uses a fixing gasket to seal the two ends of the tape tube, thereby fixing the tape tube. When replacing the tape tube, the staff needs to remove the fixing gasket, remove the old tape tube, install the new tape tube, and re-fix the gasket. This process is not only time-consuming, but also requires fine adjustment of the gap between the tape tube and the fixing gasket to ensure smooth rotation of the tape roll. The overall operation is relatively cumbersome. Summary of the invention

[0004] In view of the above existing situation, the present invention provides a tape tube fixing device and profile tape packaging equipment, which can improve the problem of complicated replacement of tape tubes in existing fixing devices.

[0005] In a first aspect, the present invention provides a device for fixing a tape tube, comprising: a guide shaft, one end of which is used to be installed on an external profile tape packaging device; a rotating member, which is sleeved on the guide shaft and can rotate around the guide shaft; a limit assembly, which is connected to the guide shaft, and the limit assembly is located at opposite ends of the rotating member; a tensioning assembly, which is connected to the rotating member, and the tensioning assembly is elastic, and the tensioning assembly is used to press against the inner wall of the tape tube under the action of the elastic restoring force.

[0006] Optionally, the tensioning assembly includes a clamping member and a spring; two ends of the spring respectively abut against the clamping member and the rotating member, and a side of the clamping member facing away from the rotating member is used to abut against the inner wall of the adhesive tape tube.

[0007] Optionally, in the axial direction of the guide shaft, the adhesive tape tube fixing device includes an insertion end; the clamping member includes a guiding portion and a clamping portion which are interconnected and positioned opposite to each other, and the guiding portion is close to the insertion end; the guiding portion is inclined relative to the clamping portion, and the guiding portion is inclined toward the axial direction close to the guide shaft; the side of the clamping portion facing away from the rotating member is used to abut against the inner wall of the adhesive tape tube.

[0008] Optionally, a plurality of the tensioning assemblies are evenly distributed on the surface of the rotating member along the circumference of the guide shaft; and / or the tensioning assemblies are extended along the axial direction of the guide shaft.

[0009] Optionally, the limiting assembly includes a first limiting plate and a second limiting plate, and the first limiting plate and the second limiting plate are respectively mounted on two ends of the rotating member; and a cross-section of the first limiting plate is larger than a cross-section of the rotating member.

[0010] Optionally, the second limiting plate includes a first limiting portion and a second limiting portion which are connected to each other; the first limiting portion is connected to the end of the rotating member, and the second limiting portion surrounds the circumference of the rotating member; the tensioning assembly presses against the side of the second limiting portion facing the rotating member under the action of the elastic restoring force.

[0011] Optionally, it also includes: a pressure sensor, which is arranged on the contact surface between the tensioning component and the inner wall of the adhesive tape ring tube, and is used to collect contact pressure values ​​in real time; a controller, which generates an adjustment amount based on a preset pressure threshold range and the contact pressure value, and drives the adjustment component to adjust the position of the limit component according to the adjustment amount, so that the contact pressure value dynamically converges within the threshold range; wherein the controller constructs a decision model based on deep reinforcement learning, which is used to output the adjustment amount; the decision model uses the time series data of the contact pressure value as the state space, and the displacement direction and step size of the limit component as the action space, and designs a reward function according to the state space and the action space; the reward function is used to output a positive reward when the contact pressure value falls within the pressure threshold range, and generate a negative penalty according to the deviation amplitude when it exceeds the pressure threshold range.

[0012] Optionally, driving the adjustment component to adjust the position of the limit component according to the adjustment amount includes: solving the adjustment amount according to the rolling time domain optimization method to obtain a multi-step position adjustment sequence, and constraining the position change rate corresponding to the multi-step position adjustment sequence based on the Lyapunov stability condition; controlling the servo motor of the adjustment component to execute the multi-step position adjustment sequence to adjust the position of the limit component.

[0013] Optionally, after the servo motor of the control and adjustment component executes the multi-step position adjustment sequence to adjust the position of the limit component, it also includes updating the weight parameters of the strategy network corresponding to the decision model through online incremental learning, so that the decision model adapts to the contact pressure attenuation curves of adhesive tape tubes with different diameters.

[0014] In a second aspect, the present invention provides a profile adhesive tape packaging device, which includes the adhesive tape coil fixing device as described above.

[0015] Optionally, the profile adhesive tape packaging equipment includes a frame and an offset monitoring sensor module; the offset monitoring sensor module is arranged on the frame, and is used to monitor in real time the relative position offset between the adhesive tape coil output and the profile to be packaged, so as to cooperate with the adjustment component of the adhesive tape coil fixing device to automatically realize fine-tuning correction of the fitting position.

[0016] Optionally, a control unit is provided between the offset monitoring sensor module and the adjustment component; the control unit is configured to simultaneously optimize the correction accuracy of the tape tube, the energy consumption of the adjustment component and the wear status of mechanical parts through a multi-objective optimization algorithm based on the real-time operation data of the tape tube; the real-time operation data includes the current value of the stepper motor, the friction coefficient between the guide shaft and the rotating part, and the fatigue coefficient of the spring in the tensioning assembly.

[0017] The adhesive tape tube fixing device of the present invention comprises a guide shaft, a rotating member, a limit assembly and a tension assembly, wherein one end of the guide shaft is used to be installed on an external profile adhesive tape packaging device; the rotating member is sleeved on the guide shaft and can rotate around the guide shaft; the limit assembly is connected to the guide shaft, and the limit assembly is located at two opposite ends of the rotating member; the tension assembly is connected to the rotating member, and the tension assembly is elastic, and the tension assembly is used to press against the inner wall of the adhesive tape tube under the action of the elastic reset force. Therefore, after the staff fixes the adhesive tape tube on the adhesive tape tube fixing device, the elastic reset force of the tension assembly can press against the inner wall of the adhesive tape tube, thereby achieving the fixation of the adhesive tape tube. When the adhesive tape tube needs to be removed, the adhesive tape tube can be removed by applying a little external force. In this way, in the process of placing and removing the adhesive tape tube, no additional components need to be disassembled, and the entire operation process is convenient and quick. In addition, compared with the traditional fixing device, it is necessary to seal the two ends of the adhesive tape tube with a fixing gasket to achieve fixing. In order to ensure that the adhesive tape tube can rotate smoothly, it is also necessary to adjust the gap between the fixing gasket and the adhesive tape tube. The adhesive tape tube fixing device provided by the present invention omits the work of adjusting the gap between the adhesive tape tube and the fixing gasket by pressing the tensioning component against the inner wall of the adhesive tape tube, which has lower requirements on the operating skills of the staff and is also conducive to improving the operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0019] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings, wherein the same figure numbers represent the same parts in the following description.

[0020] Figure 1 It is a schematic diagram showing the overall structure of the adhesive tape ring tube fixing device involved in the present application.

[0021] Figure 2 2 is another overall structural schematic diagram showing the adhesive tape ring tube fixing device involved in the present application.

[0022] Figure 3 is an exploded view showing the adhesive tape ring tube fixing device involved in the present application.

[0023] Figure 4 is another exploded view showing the adhesive tape ring tube fixing device involved in the present application.

[0024] Figure 5 This is a diagram showing the Figure 4 A local enlarged schematic diagram of point A in the middle.

[0025] Figure 6 Detailed exploded view of the adhesive tape tube fixing device involved in the present application.

[0026] Figure 7 2 is another perspective showing a detailed exploded view of the adhesive tape tube fixing device involved in the present application.

[0027] Figure 8 It is a schematic diagram showing the partial structure of the fastening member in the adhesive tape ring tube fixing device involved in the present application.

[0028] Fig. 9 2 is a cross-sectional view showing the adhesive tape ring tube fixing device involved in the present application.

[0029] Fig.10 2 is another cross-sectional view showing the adhesive tape ring tube fixing device involved in the present application.

[0030] Fig.11 It is a schematic diagram showing the overall structure of another embodiment of the adhesive tape ring tube fixing device involved in the present application.

[0031] Fig.12 It is a schematic diagram showing the overall structure of a fixing device in the related art.

[0032] Attached Figures: 100, adhesive tape cylinder; 1, guide shaft; 11, guide groove; 2, rotating member; 21, movable groove; 22, accommodating groove; 3, limiting assembly; 31, first limiting plate; 32, second limiting plate; 321, first limiting part; 322, second limiting part; 33, positioning member; 4, tensioning assembly; 41, tightening member; 411, guide part; 412, tightening part; 42, spring; 5, adjusting assembly; 51, nut; 52, screw; 53, guide member; 54, adjusting handle; 6, mounting seat; 7, motor; 8, fixing gasket. DETAILED DESCRIPTION

[0033] Hereinafter, with reference to the accompanying drawings, the preferred embodiments of the present application are described in detail. In the following description, the same symbols are assigned to the same components, and repeated descriptions are omitted. In addition, the accompanying drawings are only schematic diagrams, and the ratio of the sizes of the components to each other or the shapes of the components may be different from the actual ones. It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0034] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0035] Reference Figure 1 and Figure 2 The present application provides a device for fixing a tape tube, which includes: a guide shaft 1, one end of which is used to be installed on an external profile tape packaging device; a rotating member 2, which is sleeved on the guide shaft 1 and can rotate around the guide shaft 1; a limit assembly 3, which is connected to the guide shaft 1, and the limit assembly 3 is located at the opposite ends of the rotating member 2; a tensioning assembly 4, which is connected to the rotating member 2, and the tensioning assembly 4 is elastic, and the tensioning assembly 4 is used to press against the inner wall of the tape tube 100 under the action of the elastic reset force.

[0036] According to the above structure, after the staff fixes the adhesive tape tube 100 on the adhesive tape tube fixing device, the elastic restoring force of the tensioning assembly 4 can press against the inner wall of the adhesive tape tube 100, thereby fixing the adhesive tape tube 100. When the adhesive tape tube 100 needs to be removed, the adhesive tape tube 100 can be removed with a little external force. In this way, in the process of inserting and removing the adhesive tape tube 100, there is no need to disassemble any additional parts, and the entire operation process is convenient and quick. In addition, referring to Fig.12Compared with the traditional fixing device, it is necessary to seal the two ends of the adhesive tape tube 100 with the fixing gasket 8 to achieve fixing. In order to ensure that the adhesive tape tube 100 can rotate smoothly, it is also necessary to adjust the gap between the fixing gasket 8 and the adhesive tape tube 100. The adhesive tape tube fixing device provided by the present application omits the work of adjusting the gap between the adhesive tape tube 100 and the fixing gasket 8 by pressing the tensioning component 4 against the inner wall of the adhesive tape tube 100, which has lower requirements on the operating skills of the staff and is also conducive to improving the operating efficiency.

[0037] Specifically, refer to Fig.12 The adhesive tape cylinder 100 involved in the present application includes adhesive tape and a cylinder. The adhesive tape is wound around the outside of the cylinder. The cylinder is hollow and connected to the outside in the axial direction. When fixing the adhesive tape cylinder 100, the staff only needs to insert the adhesive tape cylinder 100 into the adhesive tape cylinder fixing device in the present application, and the elastic reset force of the tensioning assembly 4 can be against the inner wall of the cylinder. In addition, the setting of the limit assembly 3 at the opposite ends of the rotating member 2 can also be understood as the limit assembly 3 clamping the rotating member 2 to limit the movement of the rotating member 2 along the axial direction of the guide shaft 1. In order to ensure that the rotating member 2 can rotate, there is a gap between the limit assembly 3 and the rotating member 2.

[0038] Reference Figures 4 to 7 In some embodiments, the tensioning assembly 4 includes a pressing member 41 and a spring 42; the two ends of the spring 42 press against the pressing member 41 and the rotating member 2 respectively, and the side of the pressing member 41 facing away from the rotating member 2 is used to press against the inner wall of the adhesive tape tube 100. Therefore, the elastic restoring force of the spring 42 can push the pressing member 41 toward the outer periphery of the rotating member 2, and after the adhesive tape tube 100 is fixed to the adhesive tape tube fixing device, the pressing member 41 will press against the inner wall of the adhesive tape tube 100 under the action of the elastic restoring force of the spring 42.

[0039] When the adhesive tape tube 100 needs to be replaced, the staff removes the old adhesive tape tube 100 along the axial direction of the rotating member 2. Since the pressing member 41 relies on the elastic force of the spring 42 to achieve the pressing and fixing of the adhesive tape tube 100, when removing the old adhesive tape tube 100, the staff only needs to apply a little external force to remove the adhesive tape tube 100 along the axial direction of the rotating member 2. When a new adhesive tape tube 100 needs to be installed, the staff sleeves the new adhesive tape tube 100 on the adhesive tape tube fixing device along the axial direction of the rotating member 2. At this time, the adhesive tape tube 100 will compress the spring 42, and at the same time, the elastic restoring force of the spring 42 will press the pressing member 41 against the inner wall of the adhesive tape tube 100, completing the fixing of the adhesive tape tube 100. Specifically, the pressing member 41 presses against the adhesive tape tube 100, and the adhesive tape tube 100 and the rotating member 2 remain stationary, while the rotating member 2 can rotate around the guide shaft 1. The adhesive tape on the adhesive tape tube 100 is pulled out during the process of packaging the profile. During the continuous adhesive feeding process, the rotating member 2 rotates around the guide shaft 1 continuously.

[0040] Reference Figure 8 In some embodiments, in the axial direction of the guide shaft 1, the adhesive tape tube fixing device includes an insertion end, and the abutting member 41 includes a guide portion 411 and an abutting portion 412 that are connected to each other and positioned opposite to each other, and the guide portion 411 is close to the insertion end; the guide portion 411 is inclined relative to the abutting portion 412, and the guide portion 411 is inclined toward the axial direction close to the guide shaft 1; the side of the abutting portion 412 away from the rotating member 2 is used to abut against the inner wall of the adhesive tape tube 100. Therefore, on the one hand, the inclined guide portion 411 can facilitate the insertion of the adhesive tape tube 100, and does not require the staff to align the position precisely, which reduces the difficulty of operation and improves the work efficiency. On the other hand, there may be slight inner diameter deviations between different batches of adhesive tape tubes 100. The inclined guide portion 411 can better adapt to the inner diameters of different adhesive tape tubes 100, so that the adhesive tape tube 100 with a slightly narrower inner diameter can also be smoothly inserted, ensuring the versatility and flexibility of the adhesive tape tube fixing device.

[0041] In some embodiments, the surface of the pressing part 412 is provided with anti-skid patterns. Since the surface of the pressing part 412 is pressed against the inner wall of the adhesive tape tube 100, the provision of the anti-skid patterns can increase the friction between the pressing part 412 and the inner wall of the adhesive tape tube 100. When the adhesive tape tube 100 rotates with the rotating member 2, this friction helps prevent the tube from sliding or shifting on the adhesive tape tube fixing device.

[0042] In other embodiments, a non-slip rubber pad may be further provided on the surface of the pressing portion 412 , thereby increasing the friction between the pressing portion 412 and the inner wall of the adhesive tape tube 100 .

[0043] Reference Fig.10In some embodiments, along the circumference of the guide shaft 1, a plurality of tensioning assemblies 4 are evenly distributed on the surface of the rotating member 2. Thus, the evenly distributed plurality of tensioning assemblies 4 act together on the adhesive tape cylinder 100, thereby achieving a more stable and effective fixing effect, and also avoiding the vibration and displacement of the adhesive tape cylinder 100 caused by loosening. In addition, the distribution of the plurality of tensioning assemblies 4 not only improves the uniformity and reliability of the tightening effect, but also reduces the deformation of the adhesive tape cylinder 100 that may be caused by excessive local pressure.

[0044] In some embodiments, the tensioning assembly 4 is extended along the axial direction of the guide shaft 1. Specifically, the extension length of the tensioning assembly 4 can be set according to the length of the adhesive tape tube 100 used.

[0045] In some embodiments, the limiting assembly 3 includes a first limiting disk 31 and a second limiting disk 32, and the first limiting disk 31 and the second limiting disk 32 are respectively sleeved on the two ends of the rotating member 2; the cross section of the first limiting disk 31 is larger than the cross section of the rotating member 2. Therefore, in the circumferential direction of the rotating member 2, the first limiting disk 31 will protrude from the rotating member 2. Specifically, the second limiting disk 32 is close to the insertion end of the adhesive tape tube fixing device, and the outer diameter of the second limiting disk 32 is set to be smaller than the inner diameter of the adhesive tape tube 100, and the adhesive tape tube 100 will pass through the second limiting disk 32 when it is inserted. If the staff continues to push the adhesive tape tube 100, the adhesive tape tube 100 will reach the first limiting disk 31, and the first limiting disk 31 can play a role in positioning, and the correct position of the adhesive tape tube 100 on the rotating member 2 is prevented from being placed in place and falling off during the packaging process.

[0046] Reference Figure 7 In some embodiments, the second limiting plate 32 includes a first limiting portion 321 and a second limiting portion 322 connected to each other; the first limiting portion 321 is connected to the end of the rotating member 2, and the second limiting portion 322 surrounds the circumference of the rotating member 2; the tensioning assembly 4 abuts against the side of the second limiting portion 322 facing the rotating member 2 under the action of the elastic restoring force. Specifically, the tensioning assembly 4 abuts against the side of the second limiting portion 322 facing the rotating member 2. Therefore, the second limiting portion 322 can limit the tensioning assembly 4, preventing the elastic restoring force of the spring 42 from pushing the tensioning assembly 4 out and causing the tensioning assembly 4 to fall.

[0047] Reference Figure 5 In some examples, the rotating member 2 is provided with a movable groove 21 for accommodating the abutting member 41, and the inner wall of the movable groove 21 fits with the outer wall of the abutting member 41. Thus, the movable groove 21 has a certain guiding effect on the abutting member 41. When the spring 42 pushes the abutting member 41, the abutting member 41 can move along the inner wall of the movable groove 21, avoiding the abutting direction of the abutting member 41 from being deviated under the elastic restoring force of the spring 42.

[0048] In some examples, the rotating member 2 can also be provided with a receiving groove 22 for receiving the spring 42, which is connected to the movable groove 21, and one end of the spring 42 can abut against the inner wall of the receiving groove 22, and the other end of the spring 42 can extend into the movable groove 21 to abut against the tightening member 41.

[0049] In some examples, the first limiting plate 31 may be threadedly connected to one end of the rotating member 2 , and the second limiting plate 32 may be threadedly connected to the other end of the rotating member 2 .

[0050] Reference Figures 2 to 9 In some embodiments, the limiting assembly 3 further includes two positioning members 33, which are arranged on the guide shaft 1, and the first limiting plate 31 is provided with a positioning member 33 on the side away from the rotating member 2, and the second limiting plate 32 is provided with a positioning member 33 on the side away from the rotating member 2; the adhesive tape tube fixing device further includes an adjustment assembly 5, which is arranged on the guide shaft 1, and the adjustment assembly 5 is movably connected with the two positioning members 33 to synchronously adjust the positions of the two positioning members 33 on the guide shaft 1. Specifically, in this embodiment, it can also be regarded that the two positioning members 33 are clamped at both ends of the rotating member 2 to limit the movement of the rotating member 2 along the axial direction of the guide shaft 1. It should be noted that in order to ensure that the adhesive tape tube 100 can rotate smoothly to feed glue, a gap needs to be left between the first limiting plate 31 and the corresponding positioning member 33, and a gap also needs to be left between the second limiting plate 32 and the corresponding positioning member 33. The staff adjusts the adjustment assembly 5 to synchronously adjust the positions of the two positioning members 33 on the guide shaft 1. Synchronously adjusting the two positioning members 33 can be understood as the two positioning members 33 moving left or right synchronously, and the distance between the two positioning members 33 will not change, thereby ensuring that there is still enough space between the two positioning members 33 to accommodate the first limiting plate 31, the second limiting plate 32 and the rotating member 2, as well as enough gap required for rotation.

[0051] In some embodiments, the adhesive tape tube fixing device further includes an adjustment component 5, which includes: two nuts 51, the two nuts 51 are respectively connected to the two positioning members 33; a screw 52, ​​which is arranged on the guide shaft 1, and the screw 52 is threadedly connected to the nut 51. Therefore, the adjustment component 5 adopts thread adjustment, which can provide more precise displacement control, achieve micron-level adjustment, and ensure the precise position of the adhesive tape tube 100 in the adhesive tape tube fixing device. In addition, the thread has self-locking properties, and after completing the position adjustment of the two positioning members 33, the positioning members 33 can be stably maintained at the target position.

[0052] Specifically, the staff can drive the first limiting plate 31, the second limiting plate 32 and the rotating member 2 between the two positioning members 33 to move on the guide shaft 1 by adjusting the assembly 5. In actual application, after the adhesive tape tube 100 is put on the adhesive tape tube fixing device, there may be an offset between the adhesive tape tube 100 and the profile to be packaged. For example, the adhesive tape tube 100 is slightly to the left, while the profile to be packaged is to the right. Fig.12 In the related art, one side of the fixed gasket 8 is usually pushed manually to push the adhesive tape tube 100 to a suitable position on the guide shaft 1. The adjustment accuracy is usually 1mm. If the adjustment is not in place, the staff needs to manually adjust it repeatedly. In the present application, by adjusting the nut 51 and the screw 52 of the assembly 5, the staff can more accurately adjust the position of the adhesive tape tube 100, and the accuracy can reach 0.1mm, which is much higher than the traditional manual adjustment method, so that the alignment between the adhesive tape tube 100 and the profile to be packaged is more accurate. The staff can quickly adjust the adhesive tape tube 100 to the ideal position, reducing the adjustment time and improving the overall efficiency of the packaging line.

[0053] In some embodiments, an adjustment handle 54 and a mounting seat 6 are respectively provided at both ends of the guide shaft 1. The adjustment handle 54 is located at the insertion end of the adhesive tape tube fixing device, and the adjustment handle 54 is connected to the end of the screw 52. The staff can rotate the adjustment handle 54 to rotate the screw 52, ​​so that the screw 52 drives the two nuts 51 to move, and completes the position adjustment of the adhesive tape tube 100. The mounting seat 6 is used to be installed on an external profile adhesive tape packaging device.

[0054] Reference Fig. 9 In some embodiments, a receiving space is provided inside the guide shaft 1, and the guide shaft 1 is also provided with a guide groove 11 connected to the receiving space, and the guide groove 11 is extended along the axial direction of the guide shaft 1; the nut 51 is located inside the guide shaft 1, and the screw 52 passes through the guide shaft 1 along the axial direction of the guide shaft 1 and is threadedly connected with the nut 51; the adjustment component 5 also includes a guide 53, one end of the guide 53 is connected to the nut 51, and the other end of the guide 53 passes through the guide groove 11. Therefore, in this embodiment, by placing the nut 51 and the screw 52 in the guide shaft 1, the internal space of the guide shaft 1 can be fully utilized, making the structure of the adhesive tape tube fixing device more compact. And hiding the nut 51 and the screw 52 in the guide shaft 1 can also make the external structure of the adhesive tape tube 100 more concise, and does not affect the placement of the adhesive tape tube 100. In addition, the setting of the guide groove 11 not only enables the nut 51 inside the guide shaft 1 to be connected to the positioning member 33, but the guide groove 11 can also guide the movement of the positioning member 33. The guide member 53 can move along the guide groove 11, thereby limiting the movement of the positioning member 33 along the extension direction of the guide groove 11, avoiding the positioning member 33 from rotating around the guide shaft 1.

[0055] In some embodiments, the guide shaft 1 is provided with a plurality of guide grooves 11, which are arranged at intervals and around the circumference of the guide shaft 1. The adjustment assembly 5 includes a plurality of guide members 53, and the number of the guide members 53 corresponds to the guide grooves 11. Therefore, the arrangement of the plurality of guide grooves 11 and the guide members 53 has a better guiding effect.

[0056] In some embodiments, it also includes: a pressure sensor, which is arranged on the contact surface between the tensioning component and the inner wall of the adhesive tape ring tube, and is used to collect contact pressure values ​​in real time; a controller, which generates an adjustment amount based on a preset pressure threshold range and the contact pressure value, and drives the adjustment component to adjust the position of the limit component according to the adjustment amount, so that the contact pressure value dynamically converges within the threshold range; wherein the controller constructs a decision model based on deep reinforcement learning, which is used to output the adjustment amount; the decision model uses the time series data of the contact pressure value as the state space, and the displacement direction and step size of the limit component as the action space, and designs a reward function according to the state space and the action space; the reward function is used to output a positive reward when the contact pressure value falls within the pressure threshold range, and generate a negative penalty according to the deviation amplitude when it exceeds the pressure threshold range.

[0057] An embodiment provides a tape tube fixing device with intelligent pressure adjustment function, which dynamically senses the contact pressure between the tensioning component and the inner wall of the tape tube and implements adaptive adjustment based on a deep reinforcement learning algorithm to ensure that the pressure value is stable within a preset threshold range.

[0058] By setting a pressure sensor on the contact surface between the tensioning component and the inner wall of the adhesive tape tube, the contact pressure value is collected in real time to form a pressure feedback signal. After receiving the pressure signal, the controller determines whether the current pressure deviates from the target range through a preset pressure threshold range (e.g. 1.5-2.5N).

[0059] State space: Use the time series pressure data collected by the pressure sensor (such as the pressure fluctuation curve in the past 5 seconds) as the model input to capture the dynamic change trend. Action space: Define the displacement direction (left / right) and step length (0.1mm / step or 0.5mm / step) of the adjustment component, and change the elastic deformation of the tensioning component by fine-tuning the position of the limit component.

[0060] Reward function: Positive reward: When the pressure value falls within the threshold range, a fixed reward value (such as +10) is output to encourage the model to maintain a stable state. Negative penalty: If the pressure exceeds the threshold, a gradient penalty (such as -ΔP×coefficient) is generated according to the deviation amplitude (for example, pressure difference ΔP=|actual value-threshold boundary|). The larger the deviation, the higher the penalty, driving the model to correct the deviation quickly. The design of the reward function includes: establishing a time decay factor α(t) to perform weighted superposition on the historical time series pressure values, constructing a state space vector S_t=[α(tk)·p_{tk},…,α(t)·p_t], where p_t represents the contact pressure value at time t, and k is the preset time window length; discretizing the action space into three displacement directions: positive fine-tuning, negative fine-tuning, and maintaining, and setting a multi-level adjustable step size parameter; when the contact pressure value falls into the middle safety zone of the pressure threshold range, giving a dynamic reward value that is positively correlated with the current pressure value stable duration; when the contact pressure value exceeds the threshold range, generating a penalty term R_p=-e^{γ·Δp} according to the distance between the deviation Δp and the threshold boundary according to an exponential function, where γ is the penalty coefficient; setting a continuity reward condition, when N consecutive time series pressure values ​​are within the threshold range, triggering an additional stability reward value R_s=β·N, where β is the reward gain coefficient.

[0061] The adjustment component adopts a servo motor + threaded transmission structure. After receiving the displacement command from the controller, it drives the limit component to move precisely along the guide shaft to achieve dynamic balance of the tensioning force.

[0062] For example, when installing a tape ring, the tensioning component expands outward under the action of elastic force and initially compresses the inner wall. The pressure sensor transmits the contact pressure to the controller in real time. The operator sets the pressure threshold range (such as 1.8-2.2N) through the human-machine interface and selects the decision model training mode (online learning / offline pre-training). The pressure sensor collects contact pressure at a frequency of 100Hz and generates a time series data stream. The controller inputs the pressure time series data into the pre-trained deep reinforcement learning model (such as the DQN network), and the model outputs the current optimal action (displacement direction and step length). If the pressure continues to be lower than the lower limit, the model decides to "move right 0.3mm" to increase the tension. The servo motor of the adjustment component executes the displacement command, drives the limit component to move, and changes the elastic deformation degree of the tensioning component. The pressure sensor updates the pressure value, and the controller calculates the reward value under the new state and updates the model parameters (in online learning mode).

[0063] By simulating different tape tube diameters, material stiffness and other working conditions in a simulation environment, the model's initial strategy is trained through millions of trial and error. After deployment to the actual equipment, the model further optimizes the strategy based on real-time pressure data to adapt to the dynamic disturbances of a specific production line (such as fluctuations in tape thickness).

[0064] Exemplarily, driving the adjustment component to adjust the position of the limit component according to the adjustment amount includes: solving the adjustment amount according to the rolling time domain optimization method to obtain a multi-step position adjustment sequence, and constraining the position change rate corresponding to the multi-step position adjustment sequence based on the Lyapunov stability condition; controlling the servo motor of the adjustment component to execute the multi-step position adjustment sequence to adjust the position of the limit component.

[0065] The controller takes the current pressure value Pt as the starting point, combines the inertial characteristics of the tape tube (such as moment of inertia and friction coefficient) to establish a dynamic model, and predicts the pressure change trajectory for the next 5 steps (the time window length can be set, such as 0.1 seconds per step). Objective function design: Minimize pressure deviation and regulate energy consumption , where ut+k is the displacement instruction of the kth step. The quadratic programming (QP) or model predictive control (MPC) algorithm is used to solve the optimal displacement sequence {u t+1 ,u t+2 ,...,u t+5}. Define the Lyapunov function V(x)=1 / 2(P−P target ) 2 , characterizing the energy state of the system. The servo motor of the adjustment component receives the displacement sequence command and drives the limit component to move according to the preset cycle (such as executing one step every 0.1 seconds). The actual displacement value is fed back in real time through the encoder. If an execution deviation is detected (such as mechanical jamming), the sequence re-planning is triggered to ensure the adjustment accuracy of ±0.05mm.

[0066] It should be noted that, in some embodiments, after the servo motor of the control and adjustment component executes the multi-step position adjustment sequence to adjust the position of the limit component, it also includes updating the weight parameters of the strategy network corresponding to the decision model through online incremental learning, so that the decision model adapts to the contact pressure attenuation curves of adhesive tape tubes with different diameters.

[0067] When a change in the diameter of the tape tube is detected (such as a difference of ≥3mm in the inner diameter of a new batch) or an abnormal shape of the pressure decay curve (such as an abnormal decay rate exceeding the historical value by 20%), the online learning module is started. The latest 100 sets of adjustment process data (including pressure timing, displacement instructions, and reward values) are stored, and key samples with high rewards / high penalties are retained first. The elastic weight consolidation (EWC) algorithm is used to constrain the modification range of important parameters of historical tasks when updating the policy network weights to prevent catastrophic forgetting. The contact pressure decay curves of tape tubes with different diameters are Fourier transformed to extract features such as the proportion of low-frequency energy and decay time constant. A diameter condition input branch is added to the hidden layer of the model, and the neuron connection weights are dynamically adjusted through a gating mechanism to achieve "one network for multiple uses". Online learning enables the model to adapt to new diameter tape tubes within 10-15 adjustment cycles (about 2-3 minutes) without retraining.

[0068] The present application also provides a profile adhesive tape packaging device, which includes an adhesive tape ring tube fixing device.

[0069] In some embodiments, the profile adhesive tape packaging equipment includes a frame and an offset monitoring sensor module; the offset monitoring sensor module is arranged on the frame, and is used to monitor the relative position offset between the adhesive tape tube 100 and the profile to be packaged in real time, so as to cooperate with the adjustment component 5 of the adhesive tape tube fixing device to automatically achieve fine-tuning correction of the fitting position. Specifically, the end of the screw 52 facing the insertion end is connected to the motor 7, and the motor 7 is installed on the guide shaft 1. The offset monitoring sensor can monitor the offset between the adhesive tape tube 100 and the profile to be packaged, and output a corresponding adjustment instruction. The adjustment instruction includes adjusting the adhesive tape tube 100 toward the target direction, and the target adjustment amount output according to the offset amount. The motor 7 is used to receive the adjustment instruction output from the offset monitoring sensor.

[0070] For example, if the adhesive tape tube 100 is offset 0.2 mm to the left relative to the profile to be packaged, the offset monitoring sensor will issue a corresponding adjustment command. The motor 7 receives the adjustment command, and the controller of the profile adhesive tape packaging equipment controls the motor 7 to rotate, and the output end of the motor 7 drives the screw 52 to rotate to move the two positioning members 33, thereby adjusting the adhesive tape tube 100 to the right by 0.2 mm. In this way, the position of the adhesive tape tube 100 can be automatically fine-tuned and corrected.

[0071] In some embodiments, the offset monitoring sensor can be located above or on the side of the bonding point between the output end of the adhesive tape tube 100 and the profile, facing the bonding area between the adhesive tape and the profile. The offset monitoring sensor can be a laser displacement sensor, a linear CCD, a visual camera module, etc. The user can make a comprehensive assessment based on the specific circumstances such as cost budget to select the most suitable offset monitoring sensor.

[0072] In some embodiments, the offset monitoring sensor collects real-time position data of the adhesive tape and the profile at a frequency of 100 Hz. When the offset is detected to exceed the threshold, the control signal is triggered. The control unit calculates the adjustment amount according to the offset direction (left / right / front / back) and drives the corresponding stepper motor to rotate the corresponding number of steps. The screw drives the nut to move, and the guide member pushes the limit assembly to slide along the guide shaft, so that the rotating member and the tensioning assembly are displaced as a whole, and the axial position of the adhesive tape tube is corrected.

[0073] The expression of the adjustment amount includes: ΔL = K_p·(Δx·cosθ+Δy·sinθ); wherein ΔL is the correction distance that the adjustment component needs to move (unit: mm), and a positive value indicates movement to the right side of the frame. K_p is a proportional coefficient, which takes a value of 0.8-1.2 and is calibrated according to the response speed of the equipment. Δx is the horizontal lateral offset of the adhesive tape and the profile (unit: mm), with a left offset being negative and a right offset being positive. Δy is the vertical longitudinal offset of the adhesive tape and the profile (unit: mm), with a lag being negative and a lead being positive. θ is the angle between the axis of the adhesive tape coil and the direction of travel of the profile (unit: °), and the default is a 90° orthogonal installation.

[0074] Assuming that Δx = +2mm (right deviation), Δy = -1mm (hysteresis), θ = 90°, K_p = 1.0, then: ΔL = 1.0×(2×cos90°+(-1)×sin90°) = 1.0×(0 -1) = -1mm; that is, the adjustment component needs to move 1mm to the left, and the screw rotates in the opposite direction to drive the tape tube to reset. This implementation method realizes sub-millimeter level dynamic correction, which greatly reduces the packaging misalignment rate, and ensures the precise matching of the correction direction and the offset direction through the formulated control logic.

[0075] Since traditional deviation correction relies on a fixed proportional coefficient (such as K_p mentioned above), changes in the adhesive paper tension and the weight of the coil in actual working conditions will cause the system response to be nonlinear. Therefore, the PID parameters can also be optimized through a real-time data closed loop to achieve dynamic adaptive adjustment. For example, a tension sensor (installed on the adhesive paper output path) and a pressure sensor (embedded in the surface of the clamping member of the tensioning component) are added to the offset monitoring sensor module to collect the adhesive paper tension F (N) and the clamping pressure P (Pa) in real time. The input parameters for constructing the adaptive PID algorithm module include Δx, Δy, F, and P, and the output is the stepper motor pulse frequency f (Hz) and the direction of rotation.

[0076] The PID output (number of pulses N) is calculated by the following formula: N = K_p(t)·e(t) + K_i(t)∫e(t)dt + K_d(t)·de(t) / dt; e(t) is the real-time offset error, e(t)=√(Δx²+Δy²); K_p(t), K_i(t), and K_d(t) are dynamically adjusted PID coefficients, which are optimized online by the gradient descent method, and the objective function is to minimize the error integral (∫e²(t)dt).

[0077] At the same time, the PID parameters are corrected according to the tension and pressure data. When F>50N or P>200kPa, K_d is increased to suppress overshoot; when F<20N, K_i is increased to accelerate the elimination of steady-state errors.

[0078] Exemplarily, a control unit is provided between the offset monitoring sensor module and the adjustment component; the control unit is configured to simultaneously optimize the correction accuracy of the tape tube, the energy consumption of the adjustment component and the wear status of mechanical parts through a multi-objective optimization algorithm based on the real-time operation data of the tape tube; the real-time operation data includes the current value of the stepper motor, the friction coefficient between the guide shaft and the rotating part, and the fatigue coefficient of the spring in the tensioning assembly.

[0079] The current sensor is connected in series to the stepper motor power supply circuit to collect the motor working current Imotor (unit: A) in real time for calculating the energy consumption index.

[0080] The friction coefficient estimation module estimates the friction coefficient μ=τ / (r⋅Fr) based on the stepper motor output torque τ (calculated by the current-torque relationship τ=kt⋅Imotor, kt is the motor torque constant) and the radial force Fr on the guide shaft (inferred by the tightening pressure of the tensioning assembly), where r is the radius of the rotating part. The spring fatigue monitoring detects the number of compression cycles Ncycles of the spring in the tensioning assembly through the Hall sensor and calculates the fatigue coefficient η=1−Ncycles / 106.

[0081] The provided control unit has a built-in multi-objective optimization algorithm module, the inputs of which are Imotor, μ, η, and the outputs are the dynamic adjustment values ​​of PID control parameters Kp, Ki, Kd.

[0082] The multi-objective optimization algorithm module includes:

[0083] Optimization goal definition:

[0084] Objective 1 (correction accuracy): Minimize the tape offset error integral J1=∫(∣Δx∣+∣Δy∣) dt.

[0085] Goal 2 (energy consumption): Minimize the motor power consumption J2=∫Imotor2⋅RdtJ2=Imotor2⋅Rdt, where R=0.5Ω is the motor internal resistance.

[0086] Goal 3 (Lifespan): Maximize system lifetime J3 = ∫(μ⋅η) dt, where a larger value indicates lower wear.

[0087] Constraints: The correction accuracy must meet |Δx|≤1 mm, |Δy|≤0.5 mm; the motor current does not exceed the rated value Imotor≤2 A.

[0088] Optimization algorithm flow: Step 1: Load the Pareto optimal solution set of typical working conditions (such as "high-speed packaging mode", "high load mode" and "low temperature environment mode") from the historical database. Step 2: Collect Imotor, μ, η in real time, and determine the current working condition category through K-means clustering. Step 3: Select the corresponding optimal PID parameter combination [Kp, Ki, Kd] according to the working condition category. Step 4: If the current target weight needs to be adjusted (for example, priority is given to accuracy or energy saving), switch according to the following rules: When J1>1 mm⋅s, select the accuracy priority parameter; when J2>1.5 W⋅s, select the energy consumption priority parameter; when J3<0.7, select the life priority parameter.

[0089] Assuming that the equipment is running in "low temperature environment mode" (η=0.6), the control unit loads the optimized parameters of this working condition Kp=0.9, Ki=0.05, Kd=0.1 from the database. In real time, it is detected that μ increases from 0.1 to 0.15 (due to the decrease in low temperature lubrication), triggering parameter recalibration: the particle swarm algorithm is used to search for the optimal solution that satisfies μ=0.15 in the solution set, and it is updated to Kp=0.8, Ki=0.06, Kd=0.08. The adjustment component is driven according to the new parameters, so that the motor current decreases by 10%, while maintaining the correction accuracy |Δx|≤0.8 mm.

[0090] The average power consumption of the motor is reduced while ensuring accuracy. By suppressing the Kd value under high friction conditions, the wear rate of the rotating parts is reduced by 40%. In the ambient temperature range of -10℃ to 50℃, the control unit automatically switches to the optimal parameter combination without manual intervention.

[0091] In summary, in the adhesive tape tube fixing device provided in the present application, after the staff fixes the adhesive tape tube 100 in the adhesive tape tube fixing device, the elastic reset force of the tensioning assembly 4 can be against the inner wall of the adhesive tape tube 100, thereby fixing the adhesive tape tube 100. When it is necessary to remove the adhesive tape tube 100, the adhesive tape tube 100 can be removed by applying a little external force. In this way, in the process of inserting and removing the adhesive tape tube 100, no additional parts need to be disassembled, and the entire operation process is convenient and fast. In addition, compared with the traditional fixing device, it is necessary to block the two ends of the adhesive tape tube 100 by the fixing gasket 8 to achieve fixation. In order to ensure that the adhesive tape tube 100 can rotate smoothly, it is also necessary to adjust the gap between the fixing gasket 8 and the adhesive tape tube 100. The adhesive tape tube fixing device provided in the present application omits the work of adjusting the gap between the adhesive tape tube 100 and the fixing gasket 8 by pressing the tensioning component 4 against the inner wall of the adhesive tape tube 100, which has lower requirements on the operating skills of the staff and is also conducive to improving the operating efficiency.

[0092] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0093] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0094] The embodiments, implementation methods and related technical features of the present application can be combined and replaced with each other without conflict.

[0095] The above are only preferred embodiments of the present application and do not constitute any form of limitation to the present application. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are still within the scope of the technical solution of the present application.

[0096] Although the present invention is specifically described above in conjunction with the accompanying drawings and embodiments, it is to be understood that the above description does not limit the present invention in any form. Those skilled in the art can deform and change the present invention as needed without departing from the essential spirit and scope of the present invention, and these deformations and changes all fall within the scope of the present invention.

Claims

1. A device for fixing a tape tube, characterized in that: include: A guide shaft, one end of which is used to be mounted on an external profile adhesive tape packaging device; A rotating member, which is sleeved on the guide shaft and can rotate around the guide shaft; A limit assembly connected to the guide shaft, wherein the limit assembly is located at two opposite ends of the rotating member; A tensioning assembly connected to the rotating member, and the tensioning assembly is elastic, and the tensioning assembly is used to press against the inner wall of the adhesive tape tube under the action of the elastic restoring force; An adjusting component, disposed on the guide shaft, the adjusting component being movably connected to the limiting component to adjust the position of the limiting component on the guide shaft; A pressure sensor is provided at the contact surface between the tensioning assembly and the inner wall of the adhesive tape tube, and is used to collect the contact pressure value in real time; A controller generates an adjustment amount based on a preset pressure threshold range and the contact pressure value, and drives the adjustment component to adjust the position of the limit component according to the adjustment amount, so that the contact pressure value dynamically converges within the threshold range; wherein the controller constructs a decision model based on deep reinforcement learning for outputting the adjustment amount; the decision model uses the time series data of the contact pressure value as the state space, and the displacement direction and step size of the limit component as the action space, and designs a reward function based on the state space and the action space; the reward function is used to output a positive reward when the contact pressure value falls within the pressure threshold range, and generate a negative penalty according to the deviation amplitude when it exceeds the pressure threshold range.

2. The adhesive tape tube fixing device according to claim 1, characterized in that: The driving the adjusting component to adjust the position of the limiting component according to the adjusting amount includes: Calculating the adjustment amount according to the rolling time domain optimization method to obtain a multi-step position adjustment sequence, and constraining the position change rate corresponding to the multi-step position adjustment sequence based on the Lyapunov stability condition; The servo motor of the control adjustment component executes the multi-step position adjustment sequence to adjust the position of the limit component.

3. The adhesive tape tube fixing device according to claim 2, characterized in that: After the servo motor of the control and adjustment component executes the multi-step position adjustment sequence to adjust the position of the limit component, the method further includes: The weight parameters of the strategy network corresponding to the decision model are updated through online incremental learning, so that the decision model is adapted to the contact pressure attenuation curves of adhesive tape tubes with different diameters.

4. The adhesive tape tube fixing device according to claim 1, characterized in that: The tensioning assembly includes a tensioning member and a spring; The two ends of the spring respectively abut against the abutting member and the rotating member, and the side of the abutting member away from the rotating member is used to abut against the inner wall of the adhesive tape tube.

5. The adhesive tape tube fixing device according to claim 4, characterized in that: In the axial direction of the guide shaft, the adhesive tape tube fixing device includes an insertion end; The abutting member comprises a guiding portion and an abutting portion which are connected to each other and positioned opposite to each other, and the guiding portion is close to the insertion end; The guide portion is inclined relative to the abutting portion, and the guide portion is inclined toward the axial direction close to the guide shaft; The side of the pressing portion facing away from the rotating member is used to press against the inner wall of the adhesive tape tube.

6. The adhesive tape tube fixing device according to claim 1, characterized in that: Along the circumference of the guide shaft, a plurality of the tensioning assemblies are evenly distributed on the surface of the rotating member; and / or, The tensioning assembly is extended along the axial direction of the guide shaft; and / or, The limiting assembly comprises a first limiting plate and a second limiting plate, wherein the first limiting plate and the second limiting plate are respectively sleeved on two ends of the rotating member; and a cross section of the first limiting plate is larger than a cross section of the rotating member.

7. The adhesive tape tube fixing device according to claim 6, characterized in that: The second limiting plate includes a first limiting portion and a second limiting portion connected to each other; The first limiting portion is connected to the end of the rotating member, and the second limiting portion surrounds the circumference of the rotating member; The tensioning assembly abuts against a side of the second limiting portion facing the rotating member under the action of the elastic restoring force.

8. A profile adhesive tape packaging equipment, characterized in that: It comprises the adhesive tape ring tube fixing device as described in any one of claims 1-7.

9. The profile adhesive tape packaging equipment according to claim 8, characterized in that: The profile adhesive tape packaging equipment includes a frame and a deviation monitoring sensor module; The offset monitoring sensor module is arranged on the frame, and is used for real-time monitoring the relative position offset between the tape coil output by the tape coil and the profile to be packaged, so as to cooperate with the adjustment component of the tape coil fixing device to automatically realize the fine adjustment correction of the fitting position.

10. The profile adhesive tape packaging equipment according to claim 9, characterized in that: A control unit is provided between the offset monitoring sensor module and the adjustment component; the control unit is configured to simultaneously optimize the deviation correction accuracy of the tape tube, the energy consumption of the adjustment component and the wear status of the mechanical parts through a multi-objective optimization algorithm based on the real-time operation data of the tape tube; the real-time operation data includes the current value of the stepper motor, the friction coefficient between the guide shaft and the rotating part, and the fatigue coefficient of the spring in the tensioning component.

Images