A conveying device for film roll weight detection

Abstract

The application discloses a kind of film roll weight detection conveying devices, belong to film roll conveying equipment technical field, including between first conveying mechanism and second conveying mechanism's transfer weighing mechanism, transfer weighing mechanism includes fixed plate, material receiving assembly, material transfer assembly, drive assembly and transmission assembly.The transfer weighing mechanism in the application is driven by the drive assembly and transmission assembly, which is linked with the transmission assembly by the first conveying mechanism, to drive the material transfer assembly, so that the transfer weighing mechanism does not need additional independent motor, and only relies on the running power of the first conveyor belt to complete the film roll transfer, simplifies the power system structure of the device, reduces the manufacturing cost of the device, reduces energy consumption and improves the synchronization of each mechanism action.

Description

Technical Field

[0001] This invention belongs to the technical field of film roll conveying equipment, and particularly relates to a conveying device for detecting the weight of film rolls. Background Technology

[0002] In industries such as packaging, electronics, and printing, film rolls are core raw materials, and their production quality and dimensional accuracy directly affect the consistency of end products. Weight detection is a crucial link in the quality inspection and warehousing of film rolls before they leave the factory. With the improvement of industrial automation, the production efficiency of film rolls continues to increase. Traditional manual weighing methods are no longer suitable for the needs of large-scale production, and automated, integrated weight detection and conveying equipment has become the industry trend.

[0003] Currently, film roll weight detection equipment on the market is mainly divided into two categories: one is independent weighing equipment, which requires manual or additional conveying devices to transfer the film roll to the weighing platform, complete the detection, and then transfer it to the subsequent process. This results in process fragmentation, low transfer efficiency, and high labor costs. The other is integrated conveying and weighing equipment, which achieves a preliminary combination of conveying and weighing. However, it mostly adopts an intermittent working mode of conveying pause, static weighing, and conveying resumption, which leads to extended production cycle time and cannot meet the continuous operation requirements of high-speed production lines.

[0004] Although some existing technologies attempt to optimize the connection structure between conveying and weighing, there are still some shortcomings. For example, the coordination between the transfer and weighing actions is poor, relying heavily on complex electrical control to achieve timing matching, and the linkage design at the mechanical structure level is insufficient, resulting in a high equipment failure rate. Summary of the Invention

[0005] The purpose of this invention is to provide a conveying device for detecting the weight of film rolls, which solves the technical problems of existing conveying devices for detecting the weight of film rolls, such as poor coordination between transport and weighing actions, reliance on complex electrical control to achieve timing matching, and insufficient linkage design at the mechanical structure level, resulting in a high equipment failure rate.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A conveying device for detecting the weight of a film roll includes a transfer and weighing mechanism located between a first conveying mechanism and a second conveying mechanism. The transfer and weighing mechanism includes: a fixed plate with two mounting slots on its top surface, each slot housing a weight sensor; a receiving assembly for receiving the film roll conveyed by the first conveying mechanism; a transfer assembly mounted on the two weight sensors for transferring the film roll from the receiving assembly to the second conveying mechanism; a drive assembly mounted on the top surface of the fixed plate for driving the transfer assembly; and a transmission assembly for connecting the first conveying mechanism and the drive assembly, so that the drive assembly is driven synchronously by the operating power of the first conveying mechanism.

[0007] Preferably, the first conveying mechanism includes: a first mounting frame on which a first conveyor belt is mounted.

[0008] Preferably, the receiving assembly includes: a receiving box, fixedly connected to the first mounting frame, with its top and bottom surfaces both open; a bracket, installed at the bottom of the receiving box; a baffle, slidably connected to the bracket, with a vertical plate installed on its top surface and a movable plate installed on its bottom surface; and a plurality of springs, one end of which is fixedly connected to the vertical plate and the other end of which is fixedly connected to the receiving box.

[0009] Preferably, the transfer and weighing mechanism further includes two guide plates, both mounted on the top surface of the fixed plate.

[0010] Preferably, the transfer assembly includes: a movable plate with a storage slot on its top; a push plate mounted on the movable plate for pushing the movable plate to move and also for preventing the film roll in the receiving box from moving downwards; two first mounting seats respectively mounted on the top surfaces of the two weight sensors; two rotating shafts, one end of which is rotatably connected to the first mounting seat and the other end of which is fixedly connected to the movable plate; and two gears respectively fixedly sleeved on the two rotating shafts.

[0011] Preferably, the drive assembly includes: a reciprocating lead screw, rotatably mounted on the top surface of the fixed plate via two second mounting seats; a lead screw nut, sleeved on the reciprocating lead screw; two racks, each fixedly connected to the lead screw nut via a connecting rod, slidably connected to the two guide plates respectively, and meshing with the two gears respectively; and a second bevel gear, mounted at one end of the reciprocating lead screw.

[0012] Preferably, the drive assembly further includes: a transmission rod, both ends of which are rotatably mounted with third mounting seats, and both third mounting seats are fixedly connected to the fixed plate; and a first bevel gear, which is fixedly sleeved on the transmission rod and meshes with the second bevel gear.

[0013] Preferably, the transmission assembly includes: two connecting plates, both fixedly connected to the first mounting bracket; a shaft, rotatably connected to the two connecting plates; two rollers, both mounted on the shaft and in contact with the first conveyor belt; and a transmission belt, sleeved on the shaft and the transmission rod.

[0014] Preferably, the transfer weighing mechanism further includes: a support frame, fixedly connected to the bottom surface of the fixed plate; a mounting plate, fixedly connected to the support frame; a display controller, mounted on the mounting plate; and two indicator lights, both mounted on the mounting plate.

[0015] Preferably, the system further includes a cleaning mechanism, which comprises: a fixed frame, fixedly connected to the first mounting frame; a hollow plate, fixedly connected to the fixed frame, with multiple air outlet plates installed on its bottom surface, and air outlet slots formed inside the air outlet plates; a fan, installed on the inner top surface of the fixed frame, with its air outlet pipe fixedly connected to and communicating with the hollow plate; two hydraulic cylinders, both fixedly connected to the inner top surface of the fixed frame, with movable seats installed at their extended ends; and rollers, rotatably connected to the two movable seats.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: 1. The transfer and weighing mechanism of the present invention, by setting up a drive component and a transmission component, drives the transfer component through the linkage of the first conveyor mechanism and the transmission component, so that the transfer and weighing mechanism does not need an additional independent drive motor, but can complete the transfer of film rolls by relying solely on the running power of the first conveyor belt, simplifying the power system structure of the device, reducing the manufacturing cost of the device, reducing energy consumption, and improving the synchronization of the actions of each mechanism.

[0017] 2. The receiving component in this invention is equipped with a receiving box, bracket, baffle, vertical plate, spring and moving plate. The baffle is driven by the spring to block the receiving box, so that the film roll is temporarily stored in the receiving box. Only when the transfer component is triggered is a single film roll released, which avoids multiple film rolls falling at the same time and causing transfer jams. It also facilitates the weighing of film rolls one by one and improves the orderliness of transfer.

[0018] 3. The drive assembly in this invention, by setting a reciprocating lead screw, lead screw nut, rack, second bevel gear, transmission rod, third mounting base and first bevel gear, can drive the movable plate to rotate precisely back and forth through the rack and gear, ensuring that the storage slot can stably receive and transfer the film roll, reducing the risk of the film roll slipping during transfer and improving the operational stability of the device.

[0019] 4. The cleaning mechanism in this invention, by setting up a fixed frame, hollow plate, air outlet plate, fan, hydraulic cylinder, moving seat and roller, can remove dust and impurities adsorbed on the surface of the film roll, avoid impurities interfering with the weight detection accuracy, thereby improving the authenticity of the weighing data and ensuring the cleanliness of the film roll surface to meet the requirements of subsequent processing. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a perspective view of the conveying device for detecting the weight of the film roll in this invention; Figure 2 This is a schematic diagram of the assembly structure of the first conveying mechanism, the transfer and weighing mechanism, and the cleaning mechanism in this invention; Figure 3 This is a perspective view of the transfer and weighing mechanism in this invention; Figure 4 This is a schematic diagram of the assembly structure of the fixing plate, receiving assembly, transferring assembly and driving assembly in this invention; Figure 5 In this invention Figure 4 Enlarged schematic diagram of part A; Figure 6 This is an exploded view of the fixing plate, receiving assembly, transferring assembly, and driving assembly in this invention; Figure 7 This is a perspective view of the driving component in this invention; Figure 8 This is a perspective view of the cleaning mechanism in this invention; Reference numerals: 100, First conveying mechanism; 101, First mounting frame; 102, First conveyor belt; 200, Second conveying mechanism; 201, Second mounting frame; 202, Second conveyor belt; 300, Transfer and weighing mechanism; 301, Fixed plate; 302, Support frame; 303, Mounting plate; 304, Display controller; 305, Indicator light; 306, Mounting slot; 307, Guide plate; 308, Weight sensor; 310, Receiving assembly; 311, Receiving box; 312, Bracket; 313, Baffle; 314, Vertical plate; 315, Spring; 316, Moving plate; 320, Transfer assembly; 321, Movable plate; 322 323. Storage slot; 324. Push plate; 325. First mounting base; 326. Rotating shaft; 337. Gear; 338. Drive assembly; 339. Reciprocating screw; 320. Second mounting base; 331. Screw nut; 332. Rack; 333. Second bevel gear; 334. Transmission rod; 335. Third mounting base; 346. First bevel gear; 347. Transmission assembly; 348. Connecting plate; 349. Shaft; 340. Roller; 341. Transmission belt; 402. Cleaning mechanism; 403. Fixing frame; 404. Hollow plate; 405. Air outlet plate; 406. Fan; 407. Hydraulic cylinder; 408. Moving base; 409. Roller. Detailed Implementation

[0022] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0025] This invention is described in detail with reference to the accompanying drawings. When detailing the embodiments of this invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not to scale. Furthermore, the accompanying drawings are merely examples and should not be construed as limiting the scope of protection of this invention. In actual fabrication, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0026] Furthermore, it should be noted in the description of this invention that the terms "first," "second," or "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" in this invention should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; similarly, they can refer to mechanical connections, electrical connections, or direct connections, or indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] Example 1: As Figures 1 to 4 As shown, a conveying device for detecting the weight of a film roll includes a transfer and weighing mechanism 300 located between a first conveying mechanism 100 and a second conveying mechanism 200. The first conveying mechanism 100 includes a first mounting frame 101, on which a first driving roller and a first driven roller are rotatably mounted. A first conveyor belt 102 is sleeved on the first driving roller and the first driven roller. A first motor is mounted on the first mounting frame 101, and the power output shaft of the first motor is fixedly connected to the first driving roller.

[0029] The second conveying mechanism 200 includes a second mounting frame 201, on which a second driving roller and a second driven roller are rotatably mounted. A second conveyor belt 202 is fitted onto the second driving roller and the second driven roller. A second motor is mounted on the second mounting frame 201, and the power output shaft of the second motor is fixedly connected to the second driving roller. To prevent the film roll from falling off the first conveyor belt 102 and the second conveyor belt 202, a blocking frame (not shown) is installed on the first mounting frame 101 and the second mounting frame 201.

[0030] The transfer and weighing mechanism 300 includes a fixed plate 301, a receiving component 310, a transfer component 320, a drive component 330, and a transmission component 340.

[0031] The top surface of the fixed plate 301 has two mounting slots 306, and a weight sensor 308 is installed in each of the two mounting slots 306; the receiving assembly 310 is used to receive the film rolls conveyed by the first conveying mechanism 100; the transfer assembly 320 is installed on the two weight sensors 308, and the transfer assembly 320 is used to transfer the film rolls in the receiving assembly 310 one by one to the second conveying mechanism 200; the drive assembly 330 is installed on the top surface of the fixed plate 301, and the drive assembly 330 is used to drive the transfer assembly 320 to run; the transmission assembly 340 is used to connect the first conveying mechanism 100 and the drive assembly 330.

[0032] Specifically, by placing the film roll to be transported on the first conveyor belt 102, the film roll is transported by the first conveyor belt 102 and falls into the receiving component 310. As the first conveyor belt 102 runs, it drives the drive component 330 through the transmission component 340, which in turn drives the transfer component 320. When the transfer component 320 is running, it transfers the film roll in the receiving component 310 to the second conveyor belt 202. When the transfer component 320 is transferring the film roll, two weight sensors 308 weigh the total weight of the transfer component 320 and the film roll. By subtracting the weight of the transfer component 320, the weight of the transferred film roll can be obtained.

[0033] like Figure 4 and Figure 6 As shown, the receiving assembly 310 includes a receiving box 311, a bracket 312, a baffle 313, and multiple springs 315. The receiving box 311 is fixedly connected to the first mounting frame 101. The top and bottom surfaces of the receiving box 311 are open. The receiving box 311 is used to receive the film roll conveyed by the first conveyor belt 102. The bracket 312 is installed at the bottom of the receiving box 311; the baffle 313 is slidably connected to the bracket 312, and the bracket 312 can also restrict the baffle 313 from moving back and forth, so that the baffle 313 can only move horizontally left and right. A vertical plate 314 is installed on the top surface of the baffle 313, and a movable plate 316 is installed on the bottom surface of the baffle 313; one end of the spring 315 is fixedly connected to the vertical plate 314, and the other end of the spring 315 is fixedly connected to the receiving box 311.

[0034] Specifically, under normal conditions, due to the elastic force of multiple springs 315, the baffle 313 will block the opening at the bottom of the receiving box 311, preventing the film roll inside the receiving box 311 from falling out of the receiving box 311.

[0035] When the moving plate 316 is pushed to move, it will drive the vertical plate 314 to move, which in turn will drive the baffle 313 to move away from the receiving box 311, thereby causing the film roll in the receiving box 311 to fall off.

[0036] like Figures 4 to 6As shown, the material transfer assembly 320 includes a movable plate 321, a push plate 323, two first mounting seats 324, two rotating shafts 325, and two gears 326. The movable plate 321 has a storage slot 322 on its top. The push plate 323 is mounted on the movable plate 321 and is used to push the movable plate 316 to move. The push plate 323 can also prevent subsequent film rolls from falling prematurely from the receiving box 311 when the movable plate rotates clockwise. The two first mounting seats 324 are respectively mounted on the top surfaces of the two weight sensors 308. One end of the rotating shaft 325 is rotatably connected to the first mounting seat 324, and the other end of the rotating shaft 325 is fixedly connected to the movable plate 321. The two gears 326 are respectively fixedly sleeved on the two rotating shafts 325.

[0037] Specifically, when gear 326 rotates, it drives movable plate 321 to rotate via shaft 325.

[0038] When the movable plate 321 rotates counterclockwise, it will drive the push plate 323 to move, which in turn will push the movable plate 316 to move, thereby driving the baffle 313 and the vertical plate 314 to move, causing the spring 315 to be stretched, and thus causing the film roll in the receiving box 311 to fall into the storage slot 322.

[0039] Then, the movable plate 321 is rotated clockwise, which drives the push plate 323 to move downwards, causing the push plate 323 to move downwards towards the film roll in the receiving box 311. Then, affected by the rebound force of the spring 315, the spring 315 will pull the vertical plate 314 to move, which in turn drives the baffle 313 to move, thus causing the baffle 313 to block the film roll in the receiving box 311 from moving downwards. As the movable plate 321 continues to rotate clockwise, the film roll in the storage trough 322 rolls onto the second conveyor belt 202.

[0040] like Figure 4 As shown, the transfer and weighing mechanism 300 also includes two guide plates 307. Both guide plates 307 are mounted on the top surface of the fixed plate 301.

[0041] like Figure 6 and Figure 7 As shown, the drive assembly 330 includes a reciprocating lead screw 331, a lead screw nut 333, two racks 334, and a second bevel gear 335. The reciprocating lead screw 331 is rotatably mounted on the top surface of the fixed plate 301 via two second mounting seats 332; the lead screw nut 333 is sleeved on the reciprocating lead screw 331; both racks 334 are fixedly connected to the lead screw nut 333 via connecting rods, and the two racks 334 are slidably connected to two guide plates 307 respectively, and the two racks 334 are meshed with two gears 326 respectively; the second bevel gear 335 is mounted on one end of the reciprocating lead screw 331.

[0042] Specifically, when the second bevel gear 335 rotates, it will drive the reciprocating screw 331 to rotate, which will cause the screw nut 333 to move back and forth along the reciprocating screw 331, which will in turn drive the two racks 334 to move back and forth horizontally. When the racks 334 move, they will drive the gear 326 to rotate.

[0043] Since the guide plate 307 and the rack 334 are slidably connected, the guide plate 307 can guide the movement of the rack 334, thereby improving the stability of the rack 334 during movement.

[0044] like Figure 7 As shown, the drive assembly 330 also includes a transmission rod 336 and a first bevel gear 338. Both ends of the transmission rod 336 are rotatably mounted with third mounting seats 337, and both third mounting seats 337 are fixedly connected to the fixing plate 301; the first bevel gear 338 is fixedly sleeved on the transmission rod 336, and the first bevel gear 338 is meshed with the second bevel gear 335.

[0045] Specifically, when the transmission rod 336 rotates, it drives the first bevel gear 338 to rotate, which in turn meshes with and drives the second bevel gear 335 to rotate, which in turn drives the reciprocating screw 331 to rotate.

[0046] like Figure 3 As shown, the transmission assembly 340 includes two connecting plates 341, a shaft 342, two rollers 343, and a transmission belt 344. Both connecting plates 341 are fixedly connected to the first mounting bracket 101; the shaft 342 is rotatably connected to the two connecting plates 341; both rollers 343 are mounted on the shaft 342 and are in contact with the first transmission belt 102; synchronous pulleys are fixedly sleeved on both the shaft 342 and the transmission rod 336, and the transmission belt 344 is sleeved on the two synchronous pulleys; the transmission belt 344 is a toothed transmission belt.

[0047] Specifically, when the first conveyor belt 102 moves, it will drive the two rollers 343 to rotate through friction, which in turn drives the shaft 342 to rotate, and then drives the transmission rod 336 to rotate through the transmission belt 344.

[0048] like Figure 3 and Figure 4As shown, the transfer and weighing mechanism 300 also includes a support frame 302, a mounting plate 303, a display controller 304, and two indicator lights 305. The support frame 302 is fixedly connected to the bottom surface of the fixing plate 301; the mounting plate 303 is fixedly connected to the support frame 302; the display controller 304 is mounted on the mounting plate 303; both indicator lights 305 are mounted on the mounting plate 303, one of which illuminates green during operation, and the other illuminates red. The weight of the transfer assembly 320 is calibrated by the display controller 304: when there is no film roll in the storage slot 322, the calibration program is started, and the weight sensor 308 collects the initial weight of the transfer assembly 320 and stores it in the display controller 304.

[0049] Specifically, first set the weight data of the transfer assembly 320 in the display controller 304, and then set the range of the standard film roll.

[0050] The total weight of the transfer assembly 320 and the film roll is measured by two weight sensors 308. The measured data is then transmitted to the display controller 304. The display controller 304 subtracts the pre-set weight of the transfer assembly 320 from the total weight data to obtain the weight of the transferred film roll. The display controller 304 displays this data and compares it with the range of a standard film roll. If the data is within the range of a standard film roll, the green indicator light 305 is activated for three seconds. If the data is outside the range of a standard film roll, the red indicator light 305 is activated for three seconds.

[0051] Working principle: Before use, first set the weight data of the transfer component 320 in the display controller 304, and then set the range of the standard film roll.

[0052] Then, by placing the film roll to be conveyed on the first conveyor belt 102, the film roll is conveyed by the first conveyor belt 102 and falls into the receiving box 311. Since the opening at the bottom of the receiving box 311 is blocked by the baffle 313, the film roll cannot continue to move downward.

[0053] When the first conveyor belt 102 is running, it will drive the two rollers 343 to rotate through friction, which in turn drives the shaft 342 to rotate, and then drives the transmission rod 336 to rotate through the transmission belt 344.

[0054] When the transmission rod 336 rotates, it will drive the first bevel gear 338 to rotate, which in turn will mesh and drive the second bevel gear 335 to rotate, which will drive the reciprocating screw 331 to rotate, which will cause the screw nut 333 to move back and forth along the reciprocating screw 331, which will drive the two racks 334 to move back and forth horizontally. When the racks 334 move, they will drive the gear 326 to rotate.

[0055] When gear 326 rotates, it drives movable plate 321 to rotate via shaft 325. When movable plate 321 rotates counterclockwise, it drives push plate 323 to move, which in turn drives movable plate 316 to move, thereby driving baffle 313 and vertical plate 314 to move, causing spring 315 to be stretched, which in turn causes the film roll in receiving box 311 to fall into storage slot 322.

[0056] Then, the movable plate 321 is rotated clockwise, which drives the push plate 323 to move downwards, causing the push plate 323 to move downwards towards the film roll in the receiving box 311. Then, affected by the rebound force of the spring 315, the spring 315 will pull the vertical plate 314 to move, which in turn drives the baffle 313 to move, thus causing the baffle 313 to block the film roll in the receiving box 311 from moving downwards. As the movable plate 321 continues to rotate clockwise, the film roll in the storage trough 322 rolls onto the second conveyor belt 202.

[0057] Furthermore, when the transfer assembly 320 transfers the film roll, the two weight sensors 308 weigh the total weight of the transfer assembly 320 and the film roll, and then transmit the measured data to the display controller 304. The display controller 304 subtracts the pre-set weight of the transfer assembly 320 from the total weight data to obtain the weight of the transferred film roll, and displays the data. At the same time, the display controller 304 also compares the data with the range of the standard film roll. If it is within the range of the standard film roll, the green indicator light 305 is activated for three seconds; if it is not within the range of the standard film roll, the red indicator light 305 is activated for three seconds.

[0058] By designing the linkage between the transmission component 340 and the first conveying mechanism 100, the transfer and weighing mechanism 300 is not driven by an additional motor, which reduces the energy consumption and manufacturing cost of the device.

[0059] Example 2: As Figure 1 , Figure 2 and Figure 8 As shown, while all other parts are the same as in Example 1, the difference between this example and Example 1 is that: A conveying device for detecting the weight of a film roll also includes a cleaning mechanism 400, which includes a fixed frame 401, a hollow plate 402, a fan 404, two hydraulic cylinders 405 and a roller 407.

[0060] The fixed frame 401 is fixedly connected to the first mounting frame 101; the hollow plate 402 is fixedly connected to the fixed frame 401, and multiple air outlet plates 403 are installed on the bottom surface of the hollow plate 402. The air outlet plates 403 have air outlet slots, which are strip-shaped slots with a width of 0.5mm and a length that matches the maximum width of the film roll. The multiple air outlet slots are evenly distributed along the length of the hollow plate 402, and the distance between the air outlet and the surface of the film roll is 10-15mm to ensure that the airflow evenly covers the surface of the film roll.

[0061] The fan 404 is installed on the inner top surface of the fixed frame 401, and the air outlet pipe of the fan 404 is fixedly connected to and communicates with the hollow plate 402; both hydraulic cylinders 405 are fixedly connected to the inner top surface of the fixed frame 401, and both hydraulic cylinders 405 have a movable seat 406 installed on their extension ends; the roller 407 is rotatably connected to the two movable seats 406.

[0062] Working principle: In actual use, when the first conveyor belt 102 is transporting the film roll, the two hydraulic cylinders 405 are activated, which drives the two moving seats 406 to move downward, thereby driving the roller 407 to move downward. The roller 407 blocks the film roll from moving forward. At this time, the film roll is subjected to the conveying friction of the first conveyor belt 102, and it comes into contact with the roller 407 and rotates.

[0063] Then, by starting the fan 404, air is supplied into the hollow plate 402. The air inside the hollow plate 402 will enter multiple air outlet pipes and then be blown out through multiple air outlet slots. The blown-out air will come into contact with the rotating film roll and thus clean the film roll.

[0064] After cleaning is completed, the blower 404 is turned off, and the two hydraulic cylinders 405 drive the two moving seats 406 to move upward, which in turn drives the roller 407 to move upward, thereby causing the film roll to move closer to the receiving assembly 310.

[0065] Cleaning the film rolls improves the accuracy of weight measurements.

[0066] 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.

[0067] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to specific implementations. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A conveying device for detecting the weight of a film roll, comprising a transfer weighing mechanism (300) located between a first conveying mechanism (100) and a second conveying mechanism (200), characterized in that, The transfer weighing mechanism (300) includes: The fixing plate (301) has two mounting slots (306) on its top surface, and a weight sensor (308) is installed in each of the two mounting slots (306). The receiving assembly (310) is used to receive the film roll conveyed by the first conveying mechanism (100); The transfer assembly (320), mounted on the two weight sensors (308), is used to transfer the film roll in the receiving assembly (310) to the second conveying mechanism (200); A drive assembly (330) is mounted on the top surface of the fixed plate (301) and is used to drive the material transfer assembly (320) to operate; A transmission assembly (340) is used to connect the first conveying mechanism (100) and the drive assembly (330) to drive the drive assembly (330) to operate synchronously by means of the operating power of the first conveying mechanism (100).

2. The conveying device for detecting the weight of film rolls according to claim 1, characterized in that, The first conveying mechanism (100) includes: The first mounting frame (101) has a first conveyor belt (102) mounted on it.

3. The conveying device for film roll weight detection according to claim 2, characterized in that, The receiving assembly (310) includes: The receiving box (311) is fixedly connected to the first mounting bracket (101), and its top and bottom surfaces are both open; A bracket (312) is installed at the bottom of the receiving box (311); The baffle (313) is slidably connected to the bracket (312), and a vertical plate (314) is installed on its top surface and a movable plate (316) is installed on its bottom surface. Multiple springs (315) are provided, one end of which is fixedly connected to the vertical plate (314), and the other end of which is fixedly connected to the receiving box (311).

4. The conveying device for film roll weight detection according to claim 3, characterized in that, The transfer weighing mechanism (300) also includes: Both guide plates (307) are installed on the top surface of the fixed plate (301).

5. The conveying device for film roll weight detection according to claim 4, characterized in that, The transfer assembly (320) includes: The movable panel (321) has a storage slot (322) on its top. A push plate (323) is mounted on the movable plate (321) to push the movable plate (316) to move and to prevent the film roll in the receiving box (311) from moving downward. Two first mounting bases (324) are respectively mounted on the top surface of the two weight sensors (308); Two rotating shafts (325), one end of which is rotatably connected to the first mounting base (324), and the other end of which is fixedly connected to the movable plate (321); Two gears (326) are respectively fixedly sleeved on the two rotating shafts (325).

6. The conveying device for detecting the weight of a film roll according to claim 5, characterized in that, The drive component (330) includes: The reciprocating lead screw (331) is rotatably mounted on the top surface of the fixed plate (301) via two second mounting seats (332); A lead screw nut (333) is fitted onto the reciprocating lead screw (331); Both racks (334) are fixedly connected to the lead screw nut (333) via connecting rods, slidably connected to the two guide plates (307) respectively, and meshed with the two gears (326) respectively; The second bevel gear (335) is installed at one end of the reciprocating screw (331).

7. The conveying device for detecting the weight of film rolls according to claim 6, characterized in that, The drive component (330) also includes: The transmission rod (336) has a third mounting seat (337) rotatably mounted at both ends, and both third mounting seats (337) are fixedly connected to the fixing plate (301); The first bevel gear (338) is fixedly sleeved on the transmission rod (336) and meshes with the second bevel gear (335).

8. The conveying device for detecting the weight of a film roll according to claim 7, characterized in that, The transmission assembly (340) includes: Both connecting plates (341) are fixedly connected to the first mounting bracket (101); The shaft (342) is rotatably connected to the two connecting plates (341); Two rollers (343) are both mounted on the shaft (342) and are in contact with the first conveyor belt (102); A transmission belt (344) is fitted onto the shaft (342) and the transmission rod (336).

9. The conveying device for detecting the weight of film rolls according to claim 4, characterized in that, The transfer weighing mechanism (300) also includes: The support frame (302) is fixedly connected to the bottom surface of the fixing plate (301); Mounting plate (303) is fixedly connected to the support frame (302); The display controller (304) is mounted on the mounting plate (303); Two indicator lights (305) are mounted on the mounting plate (303).

10. The conveying device for detecting the weight of a film roll according to claim 2, characterized in that, It also includes a cleaning mechanism (400), which comprises: The fixing bracket (401) is fixedly connected to the first mounting bracket (101); A hollow plate (402) is fixedly connected to the fixed frame (401), and a plurality of air outlet plates (403) are installed on its bottom surface. An air outlet groove is opened in the air outlet plate (403). A fan (404) is installed on the top surface inside the fixed frame (401), and its air outlet pipe is fixedly connected to and communicates with the hollow plate (402); Two hydraulic cylinders (405) are fixedly connected to the inner top surface of the fixed frame (401), and a movable seat (406) is installed at their extended ends. The roller (407) is rotatably connected to the two movable seats (406).

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