Membrane material laminating machine

Abstract

The invention discloses a film material laminating machine, and relates to the technical field of laminating machines, the film material laminating machine comprises a laminating machine, an unwinding device, a base cloth, a film to be compounded, a pre-pressing roller, a heating roller and a pressure roller, the unwinding device is fixedly connected to the top wall of an inner cavity of the laminating machine, the base cloth is wound by the unwinding device, the film to be compounded is flatly laid and conveyed on the laminating machine, and the pre-pressing roller is arranged on the pre-pressing roller. The heating roller and the pressure roller are located on the same vertical line, the base cloth and a to-be-composited film are located between the heating roller and the pressure roller to be pressed and conveyed, and a stable triangular and grid supporting system can be formed through spatial geometric constraint through a crossed rod body structure composed of a first deflection rod and a second moving wheel. The stress concentration of the hollow monitoring rod under axial and radial loads can be effectively dispersed, and the overall bending resistance and torsion resistance are improved; compared with a single hollow rod structure, the cross rod body structure can effectively reduce local deformation of the rod body through the mutual supporting effect.

Description

Technical Field

[0001] The invention relates to the technical field of laminators, in particular to a film material laminator. Background Art

[0002] In the lamination process of film materials (knife-coated cloth), the heating roller is a core component, and the stability of its shaft directly determines the quality of the laminated product. However, due to the complex working environment, shaft deformation problems frequently occur: on the one hand, mechanical stress is concentrated during the pressurization process. If the shaft diameter design is unreasonable, the material strength is insufficient, or the supporting structure is defective, it is very easy to cause the shaft to bend or twist. On the other hand, after the heating roller is heated, thermal stress is generated between the shaft and the roller due to the difference in thermal expansion coefficients. In addition, long-term alternating loads of pressure and temperature cycles cause fatigue cracks to grow and develop into permanent deformation.

[0003] The root cause of quality problems caused by shaft deformation is its destruction of key parameters in the lamination process. When the shaft is bent and deformed, the parallelism of the heating roller and the pressure roller is destroyed, and the gap between the two ends and the middle of the roller body deviates, showing a "bow" or "saddle" shape. During the lamination process, this uneven gap causes inconsistent pressure on the material, which directly causes the thickness of the finished product to deviate from "thick at both ends and thin in the middle" or "thick in the middle and thin at both ends" along the width direction. At the same time, shaft deformation can cause axial movement or radial runout when the heating roller rotates, causing uneven speeds of the base fabric and film during transportation, local slippage or jamming, and then causing the two to shift in position during lamination, resulting in defects such as uneven edges and misaligned patterns; In addition, shaft deformation can also indirectly cause lamination bubbles and chrysanthemum core defects. Due to the deformation of the shaft, the local pressure of the roller body is insufficient, the materials cannot fit tightly, and the air is difficult to be completely discharged, forming bubbles; at the same time, the deformation affects the uniformity of heat conduction of the heating roller, resulting in local temperature being too low, and the adhesive cannot be fully melted, further exacerbating the generation of bubbles. The chrysanthemum core defect is caused by the radial runout of the roller body caused by the deformation of the shaft, which makes the material subject to periodic pressure fluctuations, local over-stretching or extrusion; in addition, the deformation of the shaft interferes with the stability of the unwinding and rewinding tension, resulting in uneven lateral tension of the material, which eventually gathers toward the center to form radial wrinkles.

[0004] At present, traditional detection methods such as manual regular shutdown inspections and single-point measurement with contact sensors have problems such as low detection efficiency, poor real-time performance, and inability to capture dynamic deformation data. Although emerging non-contact technologies such as infrared thermal imagers and vibration monitoring can obtain some status information, it is difficult to accurately locate the tiny deformation inside the shaft rod, and they are easily disturbed by environmental factors and cannot meet the detection requirements of shaft rod deformation in high-precision lamination processes. Therefore, developing a technical solution that can adapt to the complex working conditions of the laminating machine and realize real-time online and accurate detection of shaft rod deformation has become a key issue that needs to be solved to improve the quality of laminated products and production efficiency.

[0005] Therefore, the present invention proposes a film material laminator to solve the above problems. Summary of the Invention

[0006] In view of this, the technical problem to be solved by the present invention is to propose a film material laminator to solve the problems existing in the prior art.

[0007] To achieve the above object, the present invention provides the following technical solution: A film material laminator, comprising: a laminator, a unwind device, a base cloth, a film to be laminated, a pre-pressing roller, a heating roller, and a pressure roller. The unwind device is fixedly connected to the top wall of the inner cavity of the laminator. The base cloth is wound by the unwind device. The film to be laminated is laid and conveyed on the laminator. The heating roller and the pressure roller are on the same vertical line, and the base cloth and the film to be laminated are pressed and conveyed between the heating roller and the pressure roller. It further includes: a first component and a second component. The first component is arranged on one side of the second component. The first component includes a hollow monitoring rod. The first component is used to assist the second component to move to the area to be detected. The second component is used for detecting the shape of the hollow detection rod; a rotator is used to control the rotation of the housing member.

[0008] Preferably, the first component further includes annular sheets fixedly connected at equal intervals inside the hollow monitoring rod. The hollow monitoring rod is fixedly connected to the axis of the heating roller. Expansion gap strip holes are formed at equal intervals through the annular sheets.

[0009] Preferably, a main rod is arranged inside the hollow detection rod. A fixed seat is fixedly connected to the main rod. A drive shaft is arranged on the fixed seat. A first deflection rod is fixedly connected to the drive shaft. A first moving wheel is rotatably connected to the outer end of the first deflection rod.

[0010] Preferably, a fulcrum is fixedly connected to the middle of the first deflection rod. A sliding seat is slidably sleeved on the main rod. A second deflection rod is rotatably connected to the sliding seat. A second moving wheel is rotatably connected to the outer end of the second deflection rod. The first deflection rod and the second moving wheel rotate around the fulcrum.

[0011] Preferably, the second component includes a rotator fixedly connected to the end face of the main rod. A housing member is fixedly connected to the rotator.

[0012] Preferably, an electric telescopic rod is fixedly connected inside the housing member. A round table is fixedly connected to the outer end of the electric telescopic rod. A strain gauge is fixedly connected to the arc surface of the round table.

[0013] Preferably, arc-shaped blocks are symmetrically arranged inside the housing member. A connecting rod is fixedly connected to the arc-shaped block. The connecting rod slidably penetrates through the housing member. One end of the connecting rod away from the arc-shaped block is fixedly connected to a contact wall block.

[0014] Preferably, a spring is sleeved on the connecting rod. The spring is fixedly connected to the inner cavity annular wall of the housing member.

[0015] Compared with the prior art, the present invention provides a film material laminator, which has the following beneficial effects: 1. Through the cross design of the first deflection rod and the second moving wheel, the present invention can bring the following benefits from the dimensions of mechanical properties, function integration, and structural design: Optimization of mechanical properties, enhancement of structural strength and stiffness: The cross-shaped rod structure forms a stable triangular and grid support system through spatial geometric constraints, which can effectively disperse the stress concentration of the hollow monitoring rod under axial and radial loads, and improve the overall bending and torsional resistance; compared with the single hollow rod structure, the cross-shaped rod structure can effectively reduce the local deformation of the rod body through mutual support; Dynamic load buffering capacity and improvement of anti-instability ability: The cross structure can assist the first deflection rod and the second moving wheel to passively absorb vibration energy through the flexible rotation connection characteristics of the fulcrum, reduce dynamic loads, such as the damage of impact and high-frequency vibration to the hollow monitoring rod, and improve the reliability of the device in complex working environments; the hollow monitoring rod is prone to buckling instability when compressed or twisted. The cross-shaped rod structure composed of the first deflection rod and the second moving wheel reduces the instability risk by restricting the lateral displacement of the shaft rod body, such as Euler instability, and is suitable for working conditions that require long-term maintenance of monitoring accuracy; It has both detection and support functions, and the space utilization rate is highly improved: The cross-shaped rod body, as a component for deformation detection, also undertakes the role of strengthening the structure of the hollow monitoring rod, realizing the integrated design of detection function and mechanical support, and reducing the assembly complexity of independent detection elements and support structures in the traditional structure; and the cross-shaped rod structure is three-dimensionally cross-distributed inside the hollow monitoring rod, without occupying additional external space, especially suitable for compact equipment or internal hole detection scenarios, and can achieve the dual goals of high-strength support and high-precision detection in a limited space.

[0016] 2. Through the cross design of the first deflection rod and the second moving wheel, the present invention can bring the following benefits from the dimensions of production manufacturing, usage scenarios, etc.: Cost reduction, efficiency improvement and flexible production, reduction of inventory models and management costs: Traditional detection devices need to design multiple fixed specifications for hollow detection rods with different inner diameters, while the adjustable cross structure covers multiple inner diameter sizes through a single modular design, greatly reducing the types of parts and inventory that enterprises need to reserve, and reducing warehousing costs and management complexity; Simplify production processes and mold investment: There is no need to develop independent molds or production lines for products of different specifications. Quick adaptation can be achieved through generalized components and adjustable mechanisms, which is especially suitable for small-batch customized production scenarios, shortening the R & D cycle of new products and enhancing the flexibility of the production line. Reduce scrap risk and material waste: When the inner diameter specification of the hollow monitoring rod is iterated or adjusted, the adjustable structure can quickly adapt to new requirements through parametric adjustment, avoiding the scrapping of old model products caused by specification changes, and reducing material waste and environmental burden. Improve versatility and convenience, enabling multi-functional use and covering the detection requirements of multiple specifications: The same set of detection devices can adapt to hollow shaft tubes with different inner diameters by adjusting the outward expansion degree of the cross rod body, which is especially suitable for scenarios where multiple models of products are detected on the same production line and the detection tasks are quickly switched on-site. Maintain a constant contact pressure and detection consistency, reducing errors caused by dimensional deviations: By adjusting the outward expansion degree, the cross rod body structure can maintain a stable pre-tightening force or fitting state with the inner wall of the hollow detection rod with different inner diameters, ensuring uniform force during the detection process, such as the consistency of signal acquisition of strain gauges, and avoiding poor contact of detection signals caused by excessive gaps. If there are minor dimensional deviations between the traditional fixed-specification structure and the inner diameter of the shaft tube, it often causes problems such as over-interference fitting damaging the shaft tube or clearance fitting affecting the detection accuracy. The adjustable structure can achieve precise adaptation through outward expansion degree adjustment and strain gauge feedback, eliminating systematic errors caused by dimensional tolerances and enhancing the reliability of detection results.

[0017] 3. By designing the detection device symmetrically, the present invention can bring the following benefits in terms of mass distribution and rotational stability: Optimize mechanical properties, balance centrifugal force and vibration suppression, eliminate rotational eccentric loads, and reduce mechanical stress: The symmetric structure evenly distributes the mass of the detection device on both sides of the axis of the hollow detection rod. The vector sum of the centrifugal forces generated during rotation is zero, avoiding periodic radial loads caused by eccentric mass, that is, "dynamic imbalance". This can significantly reduce the fatigue stress of components such as the rod body, bearings, and drive mechanisms, and extend the mechanical life. Suppress vibration and noise, and improve running stability: When an asymmetric structure rotates, resonance or high-frequency vibration is easily caused by uneven centrifugal force, resulting in displacement, loosening or even failure of the detection device. The symmetric design of this design controls the vibration amplitude at an extremely low level through mass balance, effectively improving the running stability. Symmetric cancellation of environmental interference: The symmetric design enables the detection device to have the characteristic of symmetric cancellation of responses to external interferences, such as temperature gradients and electromagnetic interferences. For example, when the temperatures on both sides of the hollow detection rod are uneven, the thermal deformations of the symmetric structure cancel each other out, avoiding the deviation of the detection reference caused by differences in thermal expansion and enhancing the detection accuracy in complex environments.

[0018] 4. The present invention can bring the following benefits through the dual functions of the wall-touching block in detection feedback and auxiliary movement stability: Omnidirectional data acquisition and interference elimination: When the wall-touching block rotates on the hollow monitoring rod, it can sweep the inner wall without dead angles for 360 degrees, and capture the deformation degree of the inner wall in real time. Compared with the fixed detection probe, the rotating wall-touching block can avoid missed detection caused by a single detection angle. Active elimination of impurity interference: The mechanical cleaning effect during the rotation of the wall-touching block can remove impurities such as oil stains, iron filings, and oxide scales attached to the inner wall of the hollow detection rod, avoiding the distortion of detection signals caused by the accumulation of impurities. For example, in the detection of industrial pipelines that have not been maintained for a long time, the wall-touching block can pre-clean the inner wall deposits to ensure the stable operation of the subsequent rotating wall-touching block for detection. Rotation resistance reduction and dynamic lubrication effect: The rotational movement of the wall-touching block converts the traditional sliding friction into rolling friction, significantly reducing the propulsion resistance of the detection device in the hollow monitoring rod. At the same time, the airflow or oil film generated during rotation can form a dynamic lubrication layer on the inner wall, which is especially suitable for long-distance detection and avoids device jamming.

[0019] 5. The present invention can bring the following benefits through the design of the overall device: Achieve precise real-time detection of the deformation of the shaft rod: Aiming at the problems of low efficiency of traditional detection methods and difficulty in locating small deformations with emerging technologies, this auxiliary device adopts a multi-dimensional data acquisition technology of a strain gauge array, indirectly feeds back through the feedback pressure value of the strain gauge, and can accurately locate the deformation position and degree, solving the problem that the prior art cannot comprehensively monitor the dynamic deformation of the shaft rod. Significantly improve the quality of laminated finished products and eliminate uneven thickness: Effectively detect the change in the roller gap caused by the deformation of the hollow detection rod, automatically adjust the position of the pressure roller or compensate the pressure parameters through a closed-loop control system to ensure uniform pressure on the material, control the thickness deviation of the finished product within the process error range, and avoid defects such as thick at both ends and thin in the middle. Effectively inhibit bubble and chrysanthemum heart defects and reduce bubble generation: Since the detection device can effectively detect whether the hollow monitoring rod is deformed, it can effectively assist the operator in adjusting or replacing the linkage heating system and pressure regulating device for problems such as local pressure deficiency and uneven temperature caused by the deformation of the hollow monitoring rod, ensuring that the adhesive is fully melted and the materials are closely bonded, reducing the bubble generation rate caused by air residue or unmolten adhesive; maintaining uniform lateral tension of the material, avoiding radial wrinkles caused by pressure fluctuations and uneven tension, preventing the formation of chrysanthemum heart, and improving the surface flatness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the main structure diagram of the present invention; Figure 2 is for the present invention Figure 1 partial enlarged view of the structure at A in; Figure 3 Front view of the laminator after partial sectioning in the present invention; Figure 4 In the present invention Figure 3 Partial enlarged view of the structure at position B in the present invention; Figure 5 Schematic perspective view of the main structures of the first component and the second component in the present invention; Figure 6 Structure diagram of the main body of the first component in the present invention; Figure 7 Front view of the main structures of the first component and the second component after sectioning the hollow monitoring rod in the present invention; Figure 8 Front view of the main structure of the second component in the present invention; Figure 9 Another perspective schematic perspective view of the main structures of the first component and the second component in the present invention; Figure 10 In the present invention Figure 9 Partial enlarged view of the structure at position C in the present invention; Figure 11 External view of the present invention.

[0021] In the figure: 1. Laminator; 2. Unwinding device; 3. Base fabric; 4. Film to be laminated; 5. Pre-pressing roller; 6. Heating roller; 7. Pressure roller; 8. First component; 801. Hollow detection rod; 802. Annular piece; 803. Expansion gap strip hole; 804. Main body rod; 805. Fixed seat; 806. Driving shaft; 807. First deflection rod; 808. First moving wheel; 809. Fulcrum; 810. Sliding seat; 811. Second deflection rod; 812. Second moving wheel; 9. Second component; 901. Rotator; 902. Covering member; 903. Electric telescopic rod; 904. Frustum; 905. Strain gauge; 906. Arc-shaped block; 907. Connecting rod; 908. Wall-touching block; 909. Spring. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Next, the present invention will be further described in detail according to the drawings and embodiments.

[0024] Embodiment: Please refer to Figures 1 to 7, Figure 9 , Figure 11 as shown in: To solve the problems mentioned in the technical solution, an embodiment of the present application provides a film material laminator, including: a laminator 1, an unwinding device 2, a base cloth 3, a film to be laminated 4, a pre-pressing roller 5, a heating roller 6, and a pressure roller 7. The unwinding device 2 is fixedly connected to the top wall of the inner cavity of the laminator 1. The base cloth 3 is wound by the unwinding device 2. The film to be laminated 4 is flatly conveyed on the laminator 1. The heating roller 6 and the pressure roller 7 are on the same vertical line, and the base cloth 3 and the film to be laminated 4 are pressed and conveyed between the heating roller 6 and the pressure roller 7. It further includes: a first component 8 and a second component 9. The first component 8 is arranged on one side of the second component 9. The first component 8 includes a hollow monitoring rod 801; The first component 8 is used to assist the second component 9 to move to the area to be detected; the first component 8 further includes annular pieces 802 fixedly connected at equal intervals inside the hollow monitoring rod 801. The hollow monitoring rod 801 is fixedly connected to the axis of the heating roller 6. Expansion gap holes 803 are equidistantly formed through the annular pieces 802. A main rod 804 is arranged inside the hollow monitoring rod 801. A fixed seat 805 is fixedly connected to the main rod 804. A drive shaft 806 is arranged on the fixed seat 805. A first deflection rod 807 is fixedly connected to the drive shaft 806. The outer end of the first deflection rod 807 is rotatably connected to a first moving wheel 808. A fulcrum 809 is fixedly connected to the middle of the first deflection rod 807. A sliding seat 810 is slidably sleeved on the main rod 804. A second deflection rod 811 is rotatably connected to the sliding seat 810. The outer end of the second deflection rod 811 is rotatably connected to a second moving wheel 812. The first deflection rod 807 and the second moving wheel 812 are rotated by the fulcrum 809.

[0025] Among them: A pulling roller for pulling the base cloth 3 and the film to be laminated 4 is arranged inside the laminator 1, and a cooling roller is arranged after the processes of the heating roller 6 and the pressure roller 7.

[0026] The base cloth 3 and the film to be laminated 4 first pass through the pre-pressing roller 5 with a temperature lower than that of the heating roller 6, so as to slightly soften the surface of the coating of the base cloth 3, and at the same time initially remove the air between the two layers, improving the subsequent lamination and bonding efficiency.

[0027] The heating roller 6 is also called the driving roller, and its surface is chrome-plated or polished to conduct heat evenly, so as to melt and fuse the bottom surface of the film to be laminated 4 and the coating of the base cloth 3; the pressure roller 7 is also called the driven roller, usually a silicone rubber roller, and its elastic deformation ensures uniform distribution of pressure.

[0028] The first component 8 is used to assist the second component 9 to move to the area to be detected.

[0029] In addition to providing strength support for the hollow monitoring rod 801, the annular piece 802 also cooperates with the expansion gap strip holes 803 thereon to reduce the bending of the hollow monitoring rod 801 caused by thermal stress during heat conduction, preventing it from becoming bowed or saddle-shaped.

[0030] The sliding seat 810 is slidably adapted to the main body rod 804.

[0031] For a further embodiment: Please refer to Figure 2 、 Figure 5 、 Figures 7 to 10 as shown: The second component 9 is used for detecting the shape of the hollow detection rod 801; the rotator 901 is used to control the rotation of the housing member 902. The second component 9 includes a rotator 901 fixedly connected to the end face of the main body rod 804. A housing member 902 is fixedly connected to the rotator 901. An electric telescopic rod 903 is fixedly connected inside the housing member 902. A frustum 904 is fixedly connected to the outer end of the electric telescopic rod 903. A strain gauge 905 is fixedly connected to the arc surface of the frustum 904. Arc-shaped blocks 906 are symmetrically arranged inside the housing member 902. A connecting rod 907 is fixedly connected to the arc-shaped block 906. The connecting rod 907 slidably penetrates through the housing member 902. A contact wall block 908 is fixedly connected to the end of the connecting rod 907 away from the arc-shaped block 906. A spring 909 is sleeved on the connecting rod 907, and the spring 909 is fixedly connected to the inner wall of the housing member 902.

[0032] Among them: The second component 9 is used for detecting the shape of the hollow detection rod 801; the rotator 901 is used to control the rotation of the housing member 902.

[0033] When the frustum 904 pushes the arc-shaped block 906 obliquely, in this pushing state, the strain gauge 905 will be under a certain pressure and feed it back to the electrically connected main controller. During specific use, when the frustum 904 indirectly causes the first moving wheel 808 and the second moving wheel 812 to stably contact the inner wall of the hollow monitoring rod 801 through the arc-shaped block 906, and after the value fed back by it belongs to a certain specific value required by the process, the overall device is started to cause the contact wall block 908 to move on the inner wall of the hollow monitoring rod 801. If the hollow monitoring rod 801 has not undergone bending deformation, the inner diameter of its inner wall should be an exact fixed value. If the stress value fed back by the strain gauge 905 changes during the movement of the contact wall block 908, it indicates that the hollow detection rod 801 is in a bent deformation state at this time.

[0034] The arc-shaped block 906 is used in cooperation with the frustum 904.

[0035] It should be noted that this detection of the deformability of the shaft rod can be applied to various types of roller shafts; the following only describes the detection of the hollow detection rod 801 of the heating roller 6.

[0036] The working principle of all the contents in the above embodiments is as follows: The following is the working process of the first component 8: Before laminating, it is first necessary to detect the deformability of the hollow detection rod 801. After detecting the deformability of the shaft rod, the laminating device can be used. Thus, under the conveyance of the base fabric 3 by the unwinding device 2 and the traction of the traction roller on the composite film 4 to be laminated, the base fabric 3 and the composite film 4 to be laminated are pre-pressed by the pre-pressing roller 5. Then, the overlapping films are heated and laminated by the heating roller 6 and the pressure roller 7, and then continue to be conveyed, and then are cooled by the cooling roller in the laminator 1 to obtain the finished product.

[0037] During the detection of the deformability of the hollow detection rod 801, first start the drive shaft 806 on the fixed seat 805. At this time, the first deflection rod 807 will rotate under the action of the drive shaft 806. Please refer to the appendix Figure 6 , as the first deflection rod 807 rotates, the second deflection rod 811 rotatably connected to the first deflection rod 807 through the fulcrum 809 will move during the deflection of the first deflection rod 807. At this time, the second deflection rod 811 will drive the sliding seat 810 to slide on the main body rod 804 during the movement. Further, as the first deflection rod 807 and the second moving wheel 812 move, the first moving wheel 808 and the second moving wheel 812 provided thereon will gradually approach and abut against the inner wall of the laminator 1, so as to realize the adaptive stability of the first component 8 to the inner wall of the laminator 1 and wait to drive the second component 9 to detect the inner wall of the laminator 1 later; Further, through the cross design of the first deflection rod 807 and the second moving wheel 812, the cross-shaped rod structure composed of the first deflection rod 807 and the second moving wheel 812 forms a stable triangular and grid support system through spatial geometric constraints, which can effectively disperse the stress concentration of the hollow monitoring rod 801 under axial and radial loads and improve the overall bending and torsion resistance; compared with the single hollow rod structure, the cross-shaped rod structure can effectively reduce the local deformation of the rod body through the mutual support effect; At the same time, the cross structure can assist the first deflection rod 807 and the second moving wheel 812 to passively absorb vibration energy through the flexible rotational connection characteristics of the fulcrum 809, reduce dynamic loads, such as damage to the hollow monitoring rod 801 caused by impact and high-frequency vibration, and improve the reliability of the device in a complex working environment; the hollow monitoring rod 801 is prone to buckling instability when compressed or twisted. The cross-shaped rod structure composed of the first deflection rod 807 and the second moving wheel 812 reduces the risk of instability by restricting the lateral displacement of the shaft rod body, such as Euler instability, and is applicable to working conditions that require long-term maintenance of monitoring accuracy; Moreover, the cross bar body serves as a component for deformation detection and simultaneously strengthens the structure of the hollow monitoring rod 801, realizing an integrated design of the detection function and mechanical support, and reducing the assembly complexity of the independent detection element and the support structure in the traditional structure. The cross bar body structure is distributed in a three-dimensional cross inside the hollow monitoring rod 801 without occupying additional external space, which is especially suitable for compact equipment or internal hole detection scenarios, and can achieve the dual goals of high-strength support and high-precision detection in a limited space. Furthermore, through the cross design of the first deflection rod 807 and the second moving wheel 812, compared with the traditional detection device that needs to design multiple fixed specifications for hollow detection rods 801 with different inner diameters, the adjustable cross structure covers multiple inner diameter sizes through a single modular design, greatly reducing the types and inventory of parts that enterprises need to reserve, and reducing the warehousing cost and management complexity. Moreover, there is no need to develop independent molds or production lines for different specifications of products. Through universal parts and adjustable mechanisms, rapid adaptation can be achieved, which is especially suitable for small-batch customized production scenarios, shortening the R & D cycle of new products and improving the flexibility level of the production line. At the same time, when the inner diameter specification of the hollow detection rod 801 is iterated or adjusted, the adjustable structure can quickly adapt to the new requirements through parametric adjustment, avoiding the scrapping of old model products caused by specification changes, and reducing material waste and environmental burden. In addition, by adjusting the outward expansion degree, the cross bar body structure can maintain a stable pre-tightening force or a fitting state with the inner wall of the hollow detection rod 801 with different inner diameters, ensuring uniform stress during the detection process, such as the consistency of signal acquisition of the strain gauge 905, and avoiding poor contact of detection signals caused by excessive gaps. If there are slight dimensional deviations between the traditional fixed specification structure and the inner diameter of the shaft tube, it often causes problems such as interference fit damaging the shaft tube or clearance fit affecting the detection accuracy. The adjustable structure can achieve precise adaptation through outward expansion degree adjustment and feedback of the strain gauge 905, eliminating the systematic error caused by dimensional tolerance and improving the reliability of the detection results. Furthermore, by setting the detection device in a symmetric design, the following benefits can be brought in terms of mass distribution and rotational stability: the symmetric structure makes the mass of the detection device evenly distributed on both sides of the axis of the hollow detection rod 801, and the vector sum of the centrifugal forces generated during rotation is zero, avoiding the periodic radial load, that is, "dynamic imbalance" caused by eccentric mass, which can significantly reduce the fatigue stress of components such as the rod body, bearings, and drive mechanisms, and extend the mechanical life. During rotation, the asymmetric structure is prone to resonance or high-frequency vibration due to uneven centrifugal force, resulting in displacement, loosening or even failure of the detection device. The symmetric design of this design controls the vibration amplitude at an extremely low level through mass balance, effectively improving the operation stability. The symmetric design enables the detection device to have a symmetric cancellation characteristic in response to external interferences, such as temperature gradients and electromagnetic interferences. For example, when the temperatures on both sides of the hollow detection rod are uneven, the thermal deformations of the symmetric structure cancel each other out, avoiding the deviation of the detection reference caused by the difference in thermal expansion and improving the detection accuracy in complex environments.

[0038] Please refer to Figures 1 to 7 , Figure 9 , Figure 11 .

[0039] The following is the working process of the second component 9: When the second component 9 is working, first of all, the electric telescopic rod 903 will push the arc-shaped block 906 through the frustum 904, so that the arc-shaped block 906 can prompt the contact wall block 908 to make an adaptive contact with the inner wall of the hollow detection rod 801 through the connecting rod 907; Furthermore, as is known, when the arc-shaped block 906 is pushed by the inclined plane of the frustum 904, in this pushing state, the strain gauge 905 will be under a certain pressure and feedback it to the overall controller that is electrically connected. In specific use, when the frustum 904 indirectly prompts the first moving wheel 808 and the second moving wheel 812 to stably contact the inner wall of the hollow monitoring rod 801 through the arc-shaped block 906, and the value it feedbacks belongs to a certain specific value required by the process, the overall device is started to prompt the contact wall block 908 to move on the inner wall of the hollow monitoring rod 801. If the hollow monitoring rod 801 does not undergo bending deformation, its inner wall diameter should be an exact fixed value. If during the movement of the contact wall block 908, the stress value feedbacked by the strain gauge 905 changes, it indicates that the hollow detection rod 801 is in a bending deformation state at this time; Therefore, the contact wall block 908 attached to the inner wall of the hollow monitoring rod 801 through the connecting rod 907 on the housing part 902 will perform a rotational movement on the inner wall of the hollow monitoring rod 801 under the drive of the rotator 901; during this process, the contact wall block 908 will make the arc-shaped block 906 apply a certain pressure to the strain gauge 905 on the frustum 904 through the connecting rod 907. If, during the rotational movement of the contact wall block 908, the pressure applied to the strain gauge 905 is changed indirectly through the arc-shaped block 906, at this time, the deformation condition of the hollow monitoring rod 801 can be obtained through the change of the feedback value of the strain gauge 905; Furthermore, when the contact wall block 908 rotates on the hollow monitoring rod 801, it can perform a 360-degree non-blind-angle sweep of the inner wall, effectively collecting data in all directions and eliminating interference; it can capture the deformation degree of the inner wall in real time. Compared with the fixed detection probe, the rotary contact wall block 908 can avoid missed detection caused by a single detection angle; Meanwhile, the mechanical cleaning effect during the rotation of the wall contact block 908 can remove impurities such as oil stains, iron filings, and mill scale adhering to the inner wall of the hollow monitoring rod 801, avoiding the distortion of detection signals caused by the accumulation of impurities. For example, in the detection of industrial pipelines that have not been maintained for a long time, the wall contact block 908 can pre-clean the inner wall deposits to ensure the stable operation of the subsequent rotating wall contact block 908 for detection. Moreover, the rotational movement of the wall contact block 908 converts traditional sliding friction into rolling friction, significantly reducing the propulsion resistance of the detection device within the hollow monitoring rod 801. At the same time, the airflow or oil film generated during rotation can form a dynamic lubricating layer on the inner wall, which is particularly suitable for long-distance detection and avoids device jamming.

[0040] Please refer to the above working process Figure 2 、 Figure 5 、 Figures 7 to 10 。

[0041] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A film material laminator, comprising: Laminator (1), unwind device (2), base fabric (3), film to be laminated (4), pre-pressing roller (5), heating roller (6), pressure roller (7). The unwind device (2) is fixedly connected to the top wall of the inner cavity of the laminator (1). The base fabric (3) is wound by the unwind device (2). The film to be laminated (4) is laid and conveyed on the laminator (1). The heating roller (6) and the pressure roller (7) are on the same vertical line, and the base fabric (3) and the film to be laminated (4) are pressed and conveyed between the heating roller (6) and the pressure roller (7). It is characterized in that it further includes: a first component (8) and a second component (9). The first component (8) is arranged on one side of the second component (9), and the first component (8) includes a hollow detection rod (801). The first component (8) is used to assist the second component (9) to move to the area to be detected; The second component (9) is used for detecting the shape of the hollow detection rod (801); The rotator (901) is used to control the rotation of the housing part (902).

2. The laminator for a film material according to claim 1, characterized in that: The first component (8) further includes annular sheets (802) fixedly connected at equal intervals inside the hollow monitoring rod (801). The hollow monitoring rod (801) is fixedly connected to the axis of the heating roller (6). Expansion gap strip holes (803) are equally spaced and penetrated on the annular sheet (802).

3. The laminator for a film material according to claim 1, characterized in that: A main body rod (804) is arranged inside the hollow detection rod (801). A fixed seat (805) is fixedly connected to the main body rod (804). A drive shaft (806) is arranged on the fixed seat (805). A first deflection rod (807) is fixedly connected to the drive shaft (806). The outer end of the first deflection rod (807) is rotatably connected to a first moving wheel (808).

4. The laminator for a film material according to claim 3, characterized in that: A fulcrum (809) is fixedly connected to the middle of the first deflection rod (807). A sliding seat (810) is slidably sleeved on the main body rod (804). A second deflection rod (811) is rotatably connected to the sliding seat (810). The outer end of the second deflection rod (811) is rotatably connected to a second moving wheel (812). The first deflection rod (807) and the second moving wheel (812) rotate around the fulcrum (809).

5. The laminator for a film material according to claim 3, characterized in that: The second component (9) includes a rotator (901) fixedly connected to the end face of the main body rod (804). A housing part (902) is fixedly connected to the rotator (901).

6. The laminator for a film material according to claim 5, wherein: An electric telescopic rod (903) is fixedly connected inside the housing part (902). A round table (904) is fixedly connected to the outer end of the electric telescopic rod (903). A strain gauge (905) is fixedly connected to the arc surface of the round table (904).

7. A film material laminator according to claim 5, characterized in that: Arc-shaped blocks (906) are symmetrically arranged inside the housing part (902). A connecting rod (907) is fixedly connected to the arc-shaped block (906). The connecting rod (907) slidably penetrates through the housing part (902). A contact wall block (908) is fixedly connected to the end of the connecting rod (907) away from the arc-shaped block (906).

8. The laminator for a film material according to claim 7, characterized in that: A spring (909) is sleeved on the connecting rod (907), and the spring (909) is fixedly connected to the inner cavity annular wall of the housing member (902).

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