An on-line foreign matter monitoring device for a process of preparing a heat conductive adhesive film

Abstract

The application discloses a kind of on-line foreign matter monitoring devices of heat-conducting adhesive film preparation process, it is related to heat-conducting adhesive film preparation technical field;Specifically including base, the outer wall of the top of base is fixed with support plate by bolt, and the opposite side of support plate is provided with reciprocating mechanism, and the output end of reciprocating mechanism is fixedly connected with cleaning mechanism, and the front and back of support plate are fixedly connected with limit mounting plate, and mobile receiving mechanism is arranged below cleaning mechanism close to base, the front side of mounting plate is fixed with camera by support plate, the top outer wall of mounting plate is provided with adsorption groove, and limit plate is fixedly installed in adsorption groove.This application not only realizes the foreign matter monitoring work on the surface of heat-conducting adhesive film, but also expands the cleaning range by the vertical reciprocation of cleaning mechanism, improves the coverage of foreign matter cleaning on the surface of heat-conducting adhesive film, compared with fixed cleaning mechanism, only single angle and distance can produce suction force, and the cleaning effect is relatively limited, guarantee high efficiency, reduce the rate of defective products.

Description

Technical Field

[0001] This invention relates to the field of thermally conductive adhesive film preparation technology, and in particular to an online foreign matter monitoring device for the thermally conductive adhesive film preparation process. Background Technology

[0002] Thermally conductive adhesive films, as crucial materials for heat dissipation in electronic devices, are widely used in electronic packaging, LED lighting, and communication equipment. Their performance stability and reliability directly impact the quality and lifespan of end products. During the preparation of thermally conductive adhesive films, the incorporation of foreign matter is a key factor affecting product quality. Foreign matter may originate from impurities in raw materials, dust particles in the production environment, particles generated by equipment wear, or even improper operation by personnel. Once these foreign matter are incorporated into the adhesive film, they not only reduce thermal conductivity but may also cause decreased electrical insulation performance, localized stress concentration, and ultimately premature product failure. By monitoring the surface and interior of the adhesive film in real time on the production line, defective products can be detected and eliminated promptly, ensuring product consistency and reliability. Furthermore, online monitoring can provide data support for optimizing production processes, reducing scrap rates, and improving production efficiency.

[0003] A search revealed a utility model patent with publication number CN218726743U, which discloses a foreign object detection device for polyethylene film production. The device includes a workbench with two symmetrically connected support plates at its upper end. A polarizing plate is mounted on the upper end of both support plates. A movable plate is positioned above the workbench, with a first mounting plate connected to its upper end and a second mounting plate connected to its lower end. The polarizing plate is located between the first and second mounting plates. A display is mounted on one side wall of the workbench, and a camera is mounted on the lower end of the first mounting plate. The camera and display are connected by a wire. This structure uses a motor to drive a reciprocating screw to rotate, causing the camera and illumination lamp to move and irradiate the surface of the polyethylene film, thereby detecting foreign objects on the film. However, this utility model's foreign object detection device for polyethylene film production has the following shortcomings:

[0004] Although the above-mentioned device is simple and convenient to operate, reduces manual labor, and is conducive to improving the efficiency of polyethylene film inspection, it does not effectively treat foreign objects on the surface of polyethylene film, which is detrimental to the quality of polyethylene film processing. Therefore, there is an urgent need for an online foreign object monitoring device in the preparation process of thermally conductive adhesive film. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an online foreign matter monitoring device for the preparation process of thermally conductive adhesive films.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An online foreign object monitoring device for the preparation process of thermally conductive adhesive film includes a base. Support plates are fixed to the outer walls of the top two sides of the base by bolts. A reciprocating mechanism is provided on the opposite side of the support plate, and a cleaning mechanism is fixedly connected to the output end of the reciprocating mechanism. Limited mounting plates are fixedly connected to the front and back of the support plates. A movable receiving mechanism is provided on the base near the bottom of the cleaning mechanism. A camera is fixed to the front side of the mounting plate by a support plate. An adsorption groove is opened on the top outer wall of the mounting plate, and a limit plate is fixedly installed in the adsorption groove. The limit plate has an insertion hole.

[0008] Preferably, the reciprocating mechanism includes a moving plate, a motor, a rotating wheel, a guide rod, a rotating rod, a sliding rod, a V-shaped rotating plate, a rotating shaft, and a linkage column. The motor is fixed to the top outer wall of the base via a support plate. The rotating shaft is connected to the output end of the motor via a coupling. The V-shaped rotating plate is threaded to the outer circumference of the rotating shaft. The bottom side of the guide rod is rotatably connected to the top side of the V-shaped rotating plate. The linkage column is threaded to one side of the V-shaped rotating plate.

[0009] Furthermore: the rotating rod rotates through the middle of the two mounting plates, and the rotating wheel is threadedly connected to one end of the rotating rod's circumference. The rotating wheel is adapted to the linkage column. The sliding rod is threadedly connected to the top outer wall of the base near the two support plates, and the moving plate is slidably connected to the circumference of the sliding rod. The top of the guide rod and the back outer wall of the moving plate form a sliding fit.

[0010] Based on the aforementioned scheme: a collection box is fixed to the top outer wall of the movable plate by bolts, and a suction pump is fixed to the front outer wall of the movable plate by bolts. The extraction end of the suction pump is connected to one side of the collection box through a conduit, and the suction end of the suction pump is fixedly connected to the cleaning mechanism.

[0011] A preferred embodiment of the aforementioned scheme is as follows: the movable bearing mechanism includes a movable bearing plate, a T-shaped sliding plate, guide teeth, a main gear, a fixed plate, and a secondary gear. The movable bearing plate is horizontally slidably connected to the top of the base, the T-shaped sliding plate is fixedly connected to the back of the movable bearing plate, and a guide bar is provided on the base near the bottom of the T-shaped sliding plate. The guide bar slides against the T-shaped sliding plate. The guide teeth are equidistantly arranged on one side of the top of the movable bearing plate. The main gear is threadedly connected to the end circumference of the rotating rod on the side away from the motor.

[0012] As a further embodiment of the present invention: the fixing plate is fixed to the top outer wall of the base near the main gear by bolts, and the secondary gear is rotatably connected to the top side of the fixing plate by a guide shaft, and the main gear, secondary gear and guide gear mesh with each other in sequence.

[0013] Meanwhile, the cleaning mechanism includes a buffer cylinder, a sealing cylinder, an adjustment component, a straight suction nozzle, an automatic valve, a temperature sensor, and an anti-slip ring. The buffer cylinder is threadedly connected to the suction end of the suction pump, and the sealing cylinder is threadedly connected to the bottom of the buffer cylinder.

[0014] As a preferred embodiment of the present invention: the straight nozzle is connected to one side of the sealing cylinder via a guide tube, the adjusting component is connected to the circumference of the guide tube via a thread, the automatic valve is set on the circumference of the straight nozzle, and the straight nozzle can be replaced with a horn nozzle to adapt to the adsorption of foreign matter on the surface of the thermally conductive adhesive film.

[0015] Meanwhile, the adjustment assembly includes an outer ring, an inner ring, a guide groove, a spring, a touch sensor, and a slider. The inner ring is fixedly connected to the bottom of the guide tube, the guide groove is opened inside the side of the inner ring, the slider is slidably connected inside the guide groove, and the two ends of the spring are fixedly connected between the top of the slider and the top of the guide groove.

[0016] As a preferred embodiment of the present invention: the outer ring is fixedly connected to the outer periphery of the slider, the touch sensor is fixedly connected to the top of the guide groove, and a contact block is fixedly installed on one side of the top of the slider.

[0017] The beneficial effects of this invention are as follows:

[0018] 1. This online foreign matter monitoring device for the preparation process of thermally conductive adhesive film uses a motor to drive a rotating shaft, which in turn drives a V-shaped rotating plate. The top of the rotating V-shaped plate pulls the bottom of a guide rod to swing, while the top of the moving guide rod pulls a movable plate to reciprocate vertically on a slide rod. The movable plate, in turn, drives a cleaning mechanism on one side to reciprocate vertically. This device not only monitors foreign matter on the surface of the thermally conductive adhesive film but also expands the cleaning range and improves the coverage of foreign matter removal on the surface of the thermally conductive adhesive film through the vertical reciprocating motion of the cleaning mechanism. Compared with a fixed cleaning mechanism that can only generate suction at a single angle and distance, resulting in a relatively limited cleaning effect, this device ensures high cleaning efficiency and reduces the defect rate.

[0019] 2. This online foreign object monitoring device for the preparation process of thermally conductive adhesive film involves rotating a rotating rod, which drives the main gear to rotate. The main gear then drives the secondary gear below it to rotate, which in turn drives the moving support plate to move horizontally. During this process, the T-shaped sliding plate on one side of the back of the moving support plate slides horizontally on the guide bar at the top of the base. The rotating rod is intermittently driven to rotate by the rotating wheel, thus enabling the moving support plate to move horizontally intermittently. This achieves equidistant movement of the thermally conductive adhesive film on the top of the moving support plate, not only completing the coordinated work of the cleaning mechanism and the moving support mechanism, but also promoting the continuity of foreign object monitoring and cleaning work on the surface of the thermally conductive adhesive film.

[0020] 3. This online foreign matter monitoring device for the preparation process of thermally conductive adhesive film, by starting a suction pump, allows a straight-tube suction nozzle or a horn-shaped suction nozzle to draw foreign matter from the surface of the thermally conductive adhesive film into a sealed cylinder, and then guide it into a collection box through a buffer cylinder. When the straight-tube suction nozzle or the horn-shaped suction nozzle is driven to move vertically, it passes through the insertion hole of the limiting plate, and is triggered when the adjusting component contacts the edge of the insertion hole, controlling the automatic valve to open, thereby realizing the adsorption of foreign matter by the straight-tube suction nozzle or the horn-shaped suction nozzle.

[0021] 4. This online foreign matter monitoring device for the preparation process of thermally conductive adhesive film, when the outer ring vertically downward contacts the edge of the insertion hole of the limiting plate, the outer ring moves upward, and the slider inside moves upward synchronously. At this time, the slider moves upward in the guide groove, and the contact block on one side contacts the touch sensor. After the touch sensor transmits the touch signal to the automatic valve through the signal line, the controller controls the automatic valve to open. At this time, the spring is compressed. Conversely, when the inner ring moves upward and disengages from the insertion hole, the spring returns to its original position, the touch sensor separates from the contact block, and the automatic valve closes. Thus, unnecessary energy consumption is avoided, costs are reduced, and the use of cleaning media is saved, and foreign matter is more effectively separated and removed from the surface of the adhesive film. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the main structure of an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention;

[0023] Figure 2 This is a schematic diagram of the back structure of an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention;

[0024] Figure 3 This is a schematic diagram of the moving support plate in an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention;

[0025] Figure 4 This is a schematic diagram of the V-shaped rotating plate and rotating wheel in an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention;

[0026] Figure 5 This is a partial structural schematic diagram of an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention;

[0027] Figure 6 This is a schematic diagram of the cleaning mechanism in an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention.

[0028] Figure 7 This is a schematic diagram of the horn-shaped nozzle in an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention.

[0029] Figure 8This is a schematic diagram of the adjustment component in an online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film proposed in this invention.

[0030] In the diagram: 1. Base; 2. Movable support plate; 3. Camera; 4. Support plate; 5. Mounting plate; 6. Movable plate; 7. Collection box; 8. Suction pump; 9. Cleaning mechanism; 10. Motor; 11. Rotary wheel; 12. Guide rod; 13. Rotating rod; 14. Slide rod; 15. T-shaped sliding plate; 16. Guide gear; 17. V-shaped rotating plate; 18. Rotating shaft; 19. Linkage column; 20. Main gear; 21. Fixed plate; 22. Secondary gear; 23. Limiting plate; 901. Buffer cylinder; 902. Sealing cylinder; 903. Adjustment component; 904. Straight cylinder suction nozzle; 9041. Horn suction nozzle; 905. Automatic valve; 9031. Outer ring; 9032. Inner ring; 9033. Guide groove; 9034. Spring; 9035. Touch sensor; 9036. Slider. Detailed Implementation

[0031] The technical solution of the present invention will be further described in detail below with reference to specific embodiments.

[0032] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the description of this invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0034] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] An online foreign matter monitoring device for the preparation process of thermally conductive adhesive film, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the device includes a base 1. Support plates 4 are fixed to the top two outer walls of the base 1 by bolts. A reciprocating mechanism is provided on the opposite side of the support plate 4. A cleaning mechanism 9 is fixedly connected to the suction end of the reciprocating mechanism. Mounting plates 5 are fixedly connected to the front and back of the support plate 4. A movable receiving mechanism is provided below the cleaning mechanism 9 near the base 1. A camera 3 is fixed to the front side of the mounting plate 5 by a support plate. An adsorption groove is opened on the top outer wall of the mounting plate 5. A limiting plate 23 is fixedly installed in the adsorption groove. The limiting plate 23 has an insertion hole.

[0036] like Figure 1 , Figure 2 and Figure 4 As shown, the reciprocating mechanism includes a moving plate 6, a motor 10, a rotating wheel 11, a guide rod 12, a rotating rod 13, a sliding rod 14, a V-shaped rotating plate 17, a rotating shaft 18, and a linkage column 19. The motor 10 is fixed to the top outer wall of the base 1 by a support plate. The rotating shaft 18 is connected to the output end of the motor 10 by a coupling. The V-shaped rotating plate 17 is threaded to the outer circumference of the rotating shaft 18. The bottom side of the guide rod 12 is rotatably connected to the top side of the V-shaped rotating plate 17. The linkage column 19 is threaded to one side of the V-shaped rotating plate 17.

[0037] The rotating rod 13 rotates through the middle of the two mounting plates 5, and the rotating wheel 11 is threadedly connected to one end of the circumference of the rotating rod 13. The rotating wheel 11 is adapted to the linkage column 19. The sliding rod 14 is threadedly connected to the top outer wall of the base 1 near the two support plates 4, and the moving plate 6 is slidably connected to the circumference of the sliding rod 14. The top end of the guide rod 12 forms a sliding fit with the back outer wall of the moving plate 6.

[0038] The top outer wall of the movable plate 6 is fixed with a collection box 7 by bolts, and the front outer wall of the movable plate 6 is fixed with a suction pump 8 by clamps. The extraction end of the suction pump 8 is connected to one side of the collection box 7 through a conduit, and the suction end of the suction pump 8 is fixedly connected to the cleaning mechanism 9.

[0039] During operation, the starter motor 10 drives the rotating shaft 18 to rotate, which in turn drives the V-shaped rotating plate 17 to rotate. The top side of the rotating V-shaped rotating plate 17 pulls the bottom of the guide rod 12 to swing. The top of the moving guide rod 12 pulls the moving plate 6 to perform vertical reciprocating motion on the slide rod 14. The moving plate 6 drives the cleaning mechanism 9 on one side to perform vertical reciprocating motion. This not only realizes the monitoring of foreign objects on the surface of the thermal conductive adhesive film, but also expands the cleaning range and improves the coverage of foreign objects on the surface of the thermal conductive adhesive film through the vertical reciprocating motion of the cleaning mechanism 9. Compared with the fixed cleaning mechanism 9, which can only generate suction at a single angle and distance and has a relatively limited cleaning effect, this mechanism ensures high cleaning efficiency and reduces the defect rate.

[0040] To achieve coordinated operation between the vertical movement of the cleaning mechanism 9 and the mobile receiving mechanism; such as... Figure 1 , Figure 3 and Figure 5 As shown, the movable bearing mechanism includes a movable bearing plate 2, a T-shaped sliding plate 15, guide teeth 16, a main gear 20, a fixed plate 21, and a secondary gear 22. The movable bearing plate 2 is horizontally slidably connected to the top of the base 1. The T-shaped sliding plate 15 is fixedly connected to the back of the movable bearing plate 2. A guide bar is provided on the base 1 near the bottom of the T-shaped sliding plate 15. The guide bar slides against the T-shaped sliding plate 15. The guide teeth 16 are equidistantly arranged on one side of the top of the movable bearing plate 2. The main gear 20 is threadedly connected to the end circumference of the rotating rod 13 on the side away from the motor 10. The fixed plate 21 is fixed to the top outer wall of the base 1 near the bottom of the main gear 20 by bolts. The secondary gear 22 is rotatably connected to one side of the top of the fixed plate 21 through a guide shaft. The main gear 20, the secondary gear 22, and the guide teeth 16 mesh with each other in sequence.

[0041] When the rotating rod 13 rotates, the rotating rod 13 drives the main gear 20 to rotate, and the rotating main gear 20 drives the secondary gear 22 below it to rotate. The rotating secondary gear 22 drives the moving support plate 2, which meshes with it, to move horizontally. During this time, the T-shaped sliding plate 15 on the back side of the moving support plate 2 slides horizontally on the guide bar at the top of the base 1, while the rotating rod 13 is driven to rotate intermittently by the rotating wheel 11. Thus, the moving support plate 2 also completes intermittent horizontal movement, realizing the equidistant movement of the thermal conductive adhesive film on the top of the moving support plate 2. This not only completes the coordinated work of the cleaning mechanism 9 and the moving receiving mechanism, but also promotes the continuity of foreign matter monitoring and cleaning work on the surface of the thermal conductive adhesive film.

[0042] To improve the effectiveness of foreign object removal; such as Figure 6 and Figure 7 As shown, the cleaning mechanism 9 includes a buffer cylinder 901, a sealing cylinder 902, an adjusting component 903, a straight nozzle 904, and an automatic valve 905. The buffer cylinder 901 is threadedly connected to the suction end of the suction pump 8, the sealing cylinder 902 is threadedly connected to the bottom of the buffer cylinder 901, the straight nozzle 904 is connected to one side of the sealing cylinder 902 through a guide pipe, the adjusting component 903 is threadedly connected to the circumference of the guide pipe, and the automatic valve 905 is located on the circumference of the straight nozzle 904. The straight nozzle 904 can be replaced with a horn nozzle 9041. By replacing the straight nozzle 904 with the horn nozzle 9041, it can better adapt to the adsorption of foreign matter on the surface of the thermally conductive adhesive film.

[0043] By activating the suction pump 8, the straight nozzle 904 or the horn nozzle 9041 can draw foreign objects from the surface of the thermally conductive adhesive film into the sealing cylinder 902, and then guide them into the collection box 7 through the buffer cylinder 901. When the straight nozzle 904 or the horn nozzle 9041 is driven to move vertically, it passes through the insertion hole of the limiting plate 23, and the adjusting component 903 is triggered when it contacts the edge of the insertion hole, controlling the automatic valve 905 to open, so as to realize the adsorption of foreign objects by the straight nozzle 904 or the horn nozzle 9041.

[0044] like Figure 8 As shown, the adjustment assembly 903 includes an outer ring 9031, an inner ring 9032, a guide groove 9033, a spring 9034, a touch sensor 9035, and a slider 9036. The inner ring 9032 is fixedly connected to the bottom of the guide tube. The guide groove 9033 is opened inside the side of the inner ring 9032. The slider 9036 is slidably connected inside the guide groove 9033. The two ends of the spring 9034 are fixedly connected between the top of the slider 9036 and the top of the guide groove 9033. The outer ring 9031 is fixedly connected to the outer periphery of the slider 9036. The touch sensor 9035 is fixedly connected to the top of the guide groove 9033. A contact block is fixedly installed on one side of the top of the slider 9036. The model of the touch sensor 9035 is TTP223, and the model of the automatic valve 905 is Fisher667.

[0045] When the outer ring 9031 contacts the edge of the insertion hole of the limiting plate 23 vertically downward, the outer ring 9031 moves upward, and the slider 9036 inside moves upward synchronously. At this time, the slider 9036 moves upward in the guide groove 9033. After the contact block on one side contacts the touch sensor 9035, the touch sensor 9035 transmits the touch signal to the automatic valve 905 through the signal line. The controller controls the automatic valve 905 to open. At this time, the spring 9034 is compressed. Conversely, when the inner ring 9032 moves upward and disengages from the insertion hole, the spring 9034 returns to its original position, the touch sensor 9035 separates from the contact block, and the automatic valve 905 closes. This avoids unnecessary energy consumption, reduces costs, saves the use of cleaning media, and more effectively separates and removes foreign objects from the surface of the adhesive film.

[0046] Working principle:

[0047] The thermally conductive adhesive film is placed on the movable support plate 2. The motor 10 is started to drive the rotating shaft 18 to rotate. The rotating shaft 18 drives the V-shaped rotating plate 17 to rotate. The top side of the rotating V-shaped rotating plate 17 pulls the bottom end of the guide rod 12 to swing. The top of the moving guide rod 12 pulls the movable plate 6 to perform vertical reciprocating motion on the slide rod 14. When the rotating rod 13 rotates, the rotating rod 13 drives the main gear 20 to rotate. The rotating main gear 20 drives the secondary gear 22 below it to rotate. The rotating secondary gear 22 drives it to move horizontally on the movable support plate 2. During this period, the T-shaped sliding plate 15 on the back side of the movable support plate 2 slides horizontally on the guide bar at the top of the base 1. The rotating rod 13 is driven to rotate intermittently by the rotating wheel 11. Thus, the movable support plate 2 also completes intermittent horizontal movement, realizing the equidistant movement of the thermally conductive adhesive film on the top of the movable support plate 2.

[0048] During this process, by activating the suction pump 8, the straight nozzle 904 or the horn nozzle 9041 can draw foreign objects from the surface of the thermally conductive adhesive film into the sealing cylinder 902, and then guide them into the collection box 7 through the buffer cylinder 901. When the outer ring 9031 vertically downward contacts the edge of the insertion hole of the limiting plate 23, the outer ring 9031 moves upward, and the slider 9036 inside moves upward synchronously. At this time, the slider 9036 moves upward in the guide groove 9033, and the contact block on one side contacts the touch sensor 9035. The touch sensor 9035 transmits the touch signal to the automatic valve 905 through the signal line. The controller controls the automatic valve 905 to open. At this time, the spring 9034 is squeezed. Conversely, when the inner ring 9032 moves upward and disengages from the insertion hole, the spring 9034 returns to its original position, the touch sensor 9035 separates from the contact block, and the automatic valve 905 closes.

[0049] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film, comprising a base (1), characterized in that, The top two outer walls of the base (1) are fixed with support plates (4) by bolts, and a reciprocating mechanism is provided on the opposite side of the support plate (4), and a cleaning mechanism (9) is fixedly connected to the output end of the reciprocating mechanism. A limited mounting plate (5) is fixedly connected to the front and back of the support plate (4). A movable receiving mechanism is provided below the base (1) near the cleaning mechanism (9). A camera (3) is fixed on the front side of the mounting plate (5) by a support plate. An adsorption groove is opened on the top outer wall of the mounting plate (5), and a limit plate (23) is fixedly installed in the adsorption groove. An insertion hole is opened in the limit plate (23). The reciprocating mechanism includes a moving plate (6), a motor (10), a rotating wheel (11), a guide rod (12), a rotating rod (13), a sliding rod (14), a V-shaped rotating plate (17), a rotating shaft (18), and a linkage column (19). The motor (10) is fixed to the top outer wall of the base (1) by a support plate. The rotating shaft (18) is connected to the output end of the motor (10) by a coupling. The V-shaped rotating plate (17) is threaded to the outer circumference of the rotating shaft (18). The bottom side of the guide rod (12) is rotatably connected to the top side of the V-shaped rotating plate (17). The linkage column (19) is threaded to one side of the V-shaped rotating plate (17). The rotating rod (13) rotates through the middle of the two mounting plates (5). (11) The wheel (11) is threaded to one end of the circumference of the rotating rod (13), and the rotating rod (11) is adapted to the linkage column (19). The sliding rod (14) is threaded to the top outer wall of the base (1) near the two support plates (4), and the moving plate (6) is slidably connected to the circumference of the sliding rod (14). The top end of the guide rod (12) forms a sliding fit with the back outer wall of the moving plate (6). The top outer wall of the moving plate (6) is fixed with a collection box (7) by bolts, and the front outer wall of the moving plate (6) is fixed with a suction pump (8) by bolts. The extraction end of the suction pump (8) is connected to one side of the collection box (7) through a conduit, and the suction end of the suction pump (8) is fixedly connected to the cleaning mechanism (9). The movable bearing mechanism includes a movable bearing plate (2), a T-shaped sliding plate (15), a guide tooth (16), a main gear (20), a fixed plate (21), and a secondary gear (22). The movable bearing plate (2) is horizontally slidably connected to the top of the base (1). The T-shaped sliding plate (15) is fixedly connected to the back of the movable bearing plate (2). A guide bar is provided on the base (1) near the bottom of the T-shaped sliding plate (15). The guide bar slides against the T-shaped sliding plate (15). The guide tooth (16) is equidistantly arranged on one side of the top of the movable bearing plate (2). The main gear (20) is threadedly connected to the end circumference of the rotating rod (13) away from the motor (10). The fixed plate (21) is fixed to the top outer wall of the base (1) near the bottom of the main gear (20) by bolts. The secondary gear (22) is rotatably connected to one side of the top of the fixed plate (21) through a guide shaft. The main gear (20), the secondary gear (22), and the guide tooth (16) mesh with each other in sequence. The cleaning mechanism (9) includes a buffer cylinder (901), a sealing cylinder (902), an adjusting component (903), a straight suction nozzle (904), an automatic valve (905), a temperature sensor (906), and an anti-slip ring (907). The buffer cylinder (901) is threaded to the suction end of the suction pump (8), the sealing cylinder (902) is threaded to the bottom of the buffer cylinder (901), the straight suction nozzle (904) is connected to one side of the sealing cylinder (902) through a guide pipe, the adjusting component (903) is threaded to the circumference of the guide pipe, and the automatic valve (905) is located on the circumference of the straight suction nozzle (904). The straight suction nozzle (904) can be replaced with a horn-shaped suction nozzle (9041) to adapt to the adsorption of foreign matter on the surface of the thermally conductive adhesive film.

2. The online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film according to claim 1, characterized in that, The adjustment assembly (903) includes an outer ring (9031), an inner ring (9032), a guide groove (9033), a spring (9034), a touch sensor (9035), and a slider (9036). The inner ring (9032) is fixedly connected to the bottom of the guide tube. The guide groove (9033) is opened inside the side of the inner ring (9032). The slider (9036) is slidably connected inside the guide groove (9033). The two ends of the spring (9034) are fixedly connected between the top of the slider (9036) and the top of the guide groove (9033).

3. The online foreign matter monitoring device for the preparation process of a thermally conductive adhesive film according to claim 2, characterized in that, The outer ring (9031) is fixedly connected to the outer periphery of the slider (9036), the touch sensor (9035) is fixedly connected to the top of the guide groove (9033), and a contact block is fixedly installed on one side of the top of the slider (9036).

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