Polyurethane film casting machine
By introducing servo motors, encoders, solenoid valve tubes and pressure sensors into the polyurethane film caster, the problems of abnormal device operation and film specification adjustment are solved, and the quality stability and application scope of film production are expanded.
Patent Information
- Application Number
- CN202420203639.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-29
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-01-29
AI Technical Summary
The existing polyurethane film casting machines lack overload protection function and cannot monitor and deal with abnormal device operation in real time, resulting in poor film production quality and inability to adjust film specifications, which increases the work burden of operators and limits the scope of application of the device.
A polyurethane film casting machine including servo motor, encoder, solenoid valve tube, uniform speed motor and pressure sensor was designed. The servo motor drives the measurement roller rotation and the encoder to monitor the film speed in real time to achieve overload protection; the servo motor drives the measurement roller and the encoder to monitor the film speed in real time to achieve overload protection; The screw rotation and pressure sensor monitor the surface pressure of the film to ensure uniform coating of raw materials and adjustment of the film specifications.
Real-time monitoring and emergency treatment of film production are achieved, quality omissions are avoided, the stability of film quality is ensured, and the burden on operators is reduced through automatic adjustment function, and the scope of application of the device is expanded.
Smart Images
Figure CN222328833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casting machines, in particular to a polyurethane film casting machine. Background Art
[0002] The cast film machine is a kind of film processing equipment. Its main function is to apply the polyurethane raw material to the film, dry and shape it, and peel it off to become a polyurethane film, so that the materials are fused to make a polyurethane film. When processing the polyurethane film, a cast film machine is needed to process and produce the polyurethane film. In daily use, a polyurethane film cast film machine is needed to facilitate the processing of polyurethane film. However, in actual use, there are still many defects in the cast film machine with similar structure, such as: it does not have the function of overload protection, and cannot make emergency treatment when the device operates abnormally, resulting in quality defects in the film production, which reduces the quality of the film produced by the device. At the same time, it does not have the function of adjusting the specifications of the film, and needs to use external auxiliary equipment to adjust the thickness of the raw material on the surface of the film, which increases the workload of the operator and limits the scope of application of the device. Therefore, it is necessary to design a polyurethane film cast film machine. Utility Model Content
[0003] The utility model aims to provide a polyurethane film casting machine to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyurethane film casting machine, comprising a box body, a driving mechanism and an adjusting mechanism, wherein the driving mechanism is fixedly installed on one side of the box body, the driving mechanism comprises a first shaft frame, a servo motor is fixedly installed on one side of the first shaft frame, a measuring roller is fixedly installed on the output end of the servo motor, an encoder fixedly connected to one end of the measuring roller is fixedly installed on the other side of the first shaft frame, an adjusting mechanism is fixedly installed on one side of the top of the box body, the adjusting mechanism comprises a mounting seat, a screw is rotatably installed inside the mounting seat, a screw sleeve is threadedly installed on the outer side of the screw, a bracket is fixedly installed on one side of the screw sleeve, a scraper is fixedly installed on the bottom of the bracket through a pressure sensor, a fixing box is fixedly installed on the bottom of the box body, and a protective box is fixedly installed on the top of the box body.
[0005] The measuring roller is driven to rotate by the servo motor, and the rotating measuring roller can facilitate the film wound inside the winding reel to be wound and released. The encoder is powered on to monitor the number of revolutions of the measuring roller in real time, and the number is transmitted to the controller for calculation, so as to obtain the real-time film winding and releasing speed. When the controller calculates that the film winding and releasing speed exceeds the preset value, the electromagnetic valve tube is controlled to be powered on and closed, so as to realize the functions of overload protection and emergency treatment. The screw is driven to rotate by the uniform speed motor, and the rotating screw can drive the screw sleeve to move vertically. The screw sleeve that moves vertically can drive the bracket to move synchronously, so that the scraper presses the film conveyed on the top of the box, so that the raw materials applied on the surface of the film are evenly dispersed. The pressure sensor is powered on to monitor the pressure applied on the scraper in real time, and the monitoring electromagnetic signal is transmitted to the controller for calculation through the wire. When the controller calculates that the monitoring signal is greater than the preset value, the uniform speed motor is controlled to stop running through the wire, so as to ensure the uniformity of the raw materials applied on the surface of the film, facilitate the adjustment of the specifications of the polyurethane film produced by the device, and realize the function of adjusting the specifications of the polyurethane film produced.
[0006] Preferably, a controller is fixedly mounted on one side of the front of the box, and a display screen is fixedly mounted on the front of the controller. The controller can be used to control the internal electrical equipment of the device to be powered on, and the display screen can be used to facilitate operators to understand the operating status of the device.
[0007] Preferably, a connecting frame is fixedly installed on the top of the box body near the driving mechanism, and a solenoid valve tube is fixedly installed inside the connecting frame. The connecting frame can provide an installation position for the solenoid valve tube, and the solenoid valve tube can be powered on and opened and closed to facilitate the control of the delivery of raw materials.
[0008] Preferably, a constant speed motor is fixedly mounted on the top of the mounting seat, and the output end of the constant speed motor is fixedly connected to the top of the screw rod. The constant speed motor is powered on to provide a basic power source for subsequently driving the screw rod to rotate.
[0009] Preferably, a circulation pump is fixedly installed on one side of the fixed box, and a storage box is fixedly installed on one side of the circulation pump, and heating plates are fixedly installed on both sides of the storage box. When the circulation pump is powered on, it can provide a basic power source for subsequent transportation of raw materials, and the storage box can facilitate the storage of raw materials.
[0010] Preferably, a separation plate is fixedly installed on the top of the box body away from the driving mechanism, a second shaft frame is fixedly installed on one side of the separation plate, a servo motor is fixedly installed on one side of the second shaft frame, and a collecting roller is fixedly installed on the output end of the servo motor. The collecting roller is driven to rotate by the servo motor, and the rotating collecting roller cooperates with the separation plate to collect the polyurethane film after being smeared on the film.
[0011] Preferably, a cylinder is fixedly installed on the top of the protective box, a fan is fixedly installed on one side of the cylinder, coiled heating pipes are equidistantly installed inside the cylinder, and a spray plate seat is fixedly installed on one side of the fan through a pipe fitting. The heating pipe is powered on to heat the air inside the cylinder, and the fan is powered on to generate suction, which can facilitate the delivery of heated air inside the cylinder to the inside of the spray plate seat, and then the high-temperature air can be evenly delivered to the surface of the film through the spray plate seat, so as to facilitate the drying and shaping of the raw materials applied on the surface of the film.
[0012] Preferably, the bottom of the box body is fixedly mounted with a third axis frame on both sides through supporting foot rods, an idle motor is fixedly mounted on one side of the third axis frame, and a winding disk is fixedly mounted on the output end of the idle motor. The third axis frame can provide an installation position for the idle motor, and the winding disk is driven to rotate by the idle motor being powered on, and the film can be rolled up conveniently by the rotating winding disk.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The servo motor is powered on to drive the measuring roller to rotate, and the rotating measuring roller can facilitate the winding and unwinding of the film inside the winding disk. The encoder is powered on to monitor the number of rotations of the measuring roller in real time, and the number is transmitted to the controller for calculation, so as to obtain the real-time film winding and unwinding speed. When the controller calculates that the film winding and unwinding speed exceeds the preset value, the solenoid valve tube is powered on and closed, realizing the functions of overload protection and emergency handling, facilitating real-time monitoring of the operating status of the device, and taking corresponding measures to avoid quality defects in the production of polyurethane film and ensure the quality of the polyurethane film produced by the device.
[0015] The screw is driven to rotate by energizing the uniform speed motor, and the rotating screw can drive the screw sleeve to move vertically. The screw sleeve that moves vertically can drive the bracket to move synchronously, so that the scraper presses the film transported on the top of the box, so that the raw material coated on the surface of the film is evenly dispersed, and then the pressure sensor is energized to apply pressure to the scraper for real-time monitoring, and the monitoring electromagnetic signal is transmitted to the controller through the wire for calculation. When the controller calculates that the monitoring signal is greater than the preset value, the uniform speed motor is controlled to stop running through the wire, thereby ensuring the uniformity of the raw material coating on the surface of the film, facilitating the adjustment of the specifications of the polyurethane film produced by the device, and realizing the function of adjusting the specifications of the polyurethane film produced. There is no need to use external auxiliary equipment to adjust the thickness of the raw material on the surface of the film, which reduces the workload of the operator and expands the scope of application of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the front internal structure of the utility model;
[0017] Figure 2 It is a front structural schematic diagram of the utility model;
[0018] Figure 3 It is a schematic diagram of the local structure of the driving mechanism of the utility model;
[0019] Figure 4 It is a schematic diagram of the partial structure of the regulating mechanism of the utility model;
[0020] Figure 5 It is a schematic diagram of the local structure of the fixed box of the utility model;
[0021] Figure 6 It is a schematic diagram of the partial structure of the protection box of the utility model.
[0022] In the figure: 1. box body; 101. controller; 2. driving mechanism; 201. first axis frame; 202. servo motor; 203. measuring roller; 204. encoder; 205. solenoid valve tube; 3. adjusting mechanism; 301. mounting seat; 302. screw; 303. screw sleeve; 304. bracket; 305. pressure sensor; 306. scraper; 307. uniform speed motor; 4. fixed box; 401. circulating pump; 402. storage box; 403. heating plate; 5. separation plate; 501. second axis frame; 502. servo motor; 503. collecting roller; 6. protective box; 601. cylinder; 602. heating tube; 603. fan; 604. spray plate seat; 7. third axis frame; 701. idle motor; 702. winding plate. DETAILED DESCRIPTION
[0023] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Embodiment 1
[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, a polyurethane film casting machine proposed by the utility model comprises a box body 1, a driving mechanism 2 and an adjusting mechanism 3, the driving mechanism 2 is fixedly installed on one side of the box body 1, the driving mechanism 2 comprises a first shaft frame 201, a servo motor 202 is fixedly installed on one side of the first shaft frame 201, a measuring roller 203 is fixedly installed on the output end of the servo motor 202, an encoder 204 fixedly connected to one end of the measuring roller 203 is fixedly installed on the other side of the first shaft frame 201, and the adjusting mechanism 3 is fixedly installed on one side of the top of the box body 1;
[0025] The adjusting mechanism 3 includes a mounting seat 301, a screw rod 302 is rotatably mounted inside the mounting seat 301, a screw sleeve 303 is threadedly mounted on the outer side of the screw rod 302, a bracket 304 is fixedly mounted on one side of the screw sleeve 303, a scraper 306 is fixedly mounted on the bottom of the bracket 304 through a pressure sensor 305, a fixing box 4 is fixedly mounted on the bottom of the box body 1, and a protective box 6 is fixedly mounted on the top of the box body 1, a controller 101 is fixedly mounted on one side of the front of the box body 1, and a display screen is fixedly mounted on the front of the controller 101;
[0026] A circulation pump 401 is fixedly installed on one side of the fixed box 4, and a storage box 402 is fixedly installed on one side of the circulation pump 401, heating plates 403 are fixedly installed on both sides of the storage box 402, a separation plate 5 is fixedly installed on the top of the box body 1 away from the driving mechanism 2, a second shaft frame 501 is fixedly installed on one side of the separation plate 5, a servo motor 502 is fixedly installed on one side of the second shaft frame 501, a collecting roller 503 is fixedly installed on the output end of the servo motor 502, and a cylinder 601 is fixedly installed on the top of the protective box 6;
[0027] A fan 603 is fixedly installed on one side of the cylinder 601, and coiled heating tubes 602 are equidistantly installed inside the cylinder 601. A spray disc seat 604 is fixedly installed on one side of the fan 603 through a pipe fitting. A third axis frame 7 is fixedly installed on both sides of the bottom of the box body 1 through supporting feet. An idle motor 701 is fixedly installed on one side of the third axis frame 7, and a winding disc 702 is fixedly installed on the output end of the idle motor 701.
[0028] The working principle of the polyurethane film casting machine based on the first embodiment is: after the device is installed at the designated position, the idle motor 701 is powered on to drive the winding disk 702 to rotate, and the rotating winding disk 702 can be used to easily wind up the film, and the circulation pump 401 is powered on to generate suction to transport the raw materials stored in the storage box 402 to the inside of the solenoid valve tube 205, and the raw materials are transported to the film surface on the top of the box body 1 through the solenoid valve tube 205;
[0029] The screw 302 is driven to rotate by the uniform speed motor 307, and the rotating screw 302 can drive the screw sleeve 303 to move vertically. The screw sleeve 303 that moves vertically can drive the bracket 304 to move synchronously, so that the scraper 306 presses the film conveyed on the top of the box body 1, so that the raw materials coated on the surface of the film are evenly dispersed, and then the pressure sensor 305 is powered on to apply pressure to the scraper 306 for real-time monitoring, and the monitoring electromagnetic signal is transmitted to the controller 101 through the wire for calculation. When the controller 101 calculates that the monitoring signal is greater than the preset value, the uniform speed motor 307 is controlled to stop running through the wire, thereby ensuring the uniformity of the raw materials coated on the surface of the film and realizing the function of adjusting the specifications of the polyurethane film produced;
[0030] The servo motor 202 is powered on to drive the measuring roller 203 to rotate, and the rotating measuring roller 203 can facilitate the winding and unwinding of the film wound inside the winding reel 702. The encoder 204 is powered on to monitor the number of revolutions of the measuring roller 203 in real time, and transmits it to the controller 101 for calculation, so as to obtain the real-time film winding and unwinding speed. When the controller 101 calculates that the film winding and unwinding speed exceeds the preset value, the solenoid valve tube 205 is controlled to be powered on and closed, thereby realizing the functions of overload protection and emergency treatment.
[0031] By energizing the heating tube 602, the air inside the cylinder 601 can be heated, and by energizing the fan 603 to generate suction, the heated air inside the cylinder 601 can be transported to the inside of the spray plate seat 604, and then the high-temperature air can be evenly transported to the surface of the film through the spray plate seat 604, so as to dry and shape the raw materials applied on the surface of the film, and then the servo motor 502 is energized to drive the collecting roller 503 to rotate, and the rotating collecting roller 503 can be used in conjunction with the separation plate 5 to collect the polyurethane film after being applied and formed on the film. Embodiment 2
[0032] like Figure 1 , Figure 2 , Figure 4 , Figure 5 As shown, the utility model proposes a polyurethane film casting machine. Compared with the first embodiment, this embodiment also includes: a connecting frame is fixedly installed on the top of the box body 1 close to the driving mechanism 2, and an electromagnetic valve tube 205 is fixedly installed inside the connecting frame, a uniform speed motor 307 is fixedly installed on the top of the mounting seat 301, and the output end of the uniform speed motor 307 is fixedly connected to the top of the screw 302.
[0033] In this embodiment, Figure 1 , Figure 2 , Figure 5 As shown, the connection frame can provide an installation position for the solenoid valve tube 205, and the solenoid valve tube 205 can be powered on and opened and closed to facilitate the control of the delivery of raw materials;
[0034] like Figure 4 As shown, the constant speed motor 307 is powered on to provide a basic power source for subsequently driving the screw rod 302 to rotate.
[0035] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A polyurethane film casting machine, comprising a housing (1), a driving mechanism (2) and an adjusting mechanism (3), characterized in that: A driving mechanism (2) is fixedly mounted on one side of the box body (1), the driving mechanism (2) comprising a first shaft frame (201), a servo motor (202) is fixedly mounted on one side of the first shaft frame (201), a measuring roller (203) is fixedly mounted on the output end of the servo motor (202), an encoder (204) fixedly mounted on the other side of the first shaft frame (201) and fixedly connected to one end of the measuring roller (203), an adjustment mechanism (3) is fixedly mounted on one side of the top of the box body (1), the adjustment mechanism (3) comprising a mounting seat (301), a screw rod (302) is rotatably mounted inside the mounting seat (301), a screw sleeve (303) is threadedly mounted on the outer side of the screw rod (302), a bracket (304) is fixedly mounted on one side of the screw sleeve (303), a scraper (306) is fixedly mounted on the bottom of the bracket (304) via a pressure sensor (305), a fixing box (4) is fixedly mounted on the bottom of the box body (1), and a protective box (6) is fixedly mounted on the top of the box body (1).
2. A polyurethane film casting machine according to claim 1, characterized in that: A controller (101) is fixedly mounted on one side of the front of the box (1), and a display screen is fixedly mounted on the front of the controller (101).
3. A polyurethane film casting machine according to claim 1, characterized in that: A connecting frame is fixedly mounted on one side of the top of the box body (1) close to the driving mechanism (2), and a solenoid valve tube (205) is fixedly mounted inside the connecting frame.
4. A polyurethane film casting machine according to claim 1, characterized in that: A constant speed motor (307) is fixedly mounted on the top of the mounting seat (301), and an output end of the constant speed motor (307) is fixedly connected to the top of the screw rod (302).
5. A polyurethane film casting machine according to claim 1, characterized in that: A circulation pump (401) is fixedly installed on one side of the fixed box (4), a storage box (402) is fixedly installed on one side of the circulation pump (401), and heating plates (403) are fixedly installed on both sides of the storage box (402).
6. A polyurethane film casting machine according to claim 1, characterized in that: A separation plate (5) is fixedly mounted on the top of the box body (1) at a side away from the driving mechanism (2); a second shaft frame (501) is fixedly mounted on one side of the separation plate (5); a servo motor (502) is fixedly mounted on one side of the second shaft frame (501); and a collecting roller (503) is fixedly mounted on the output end of the servo motor (502).
7. A polyurethane film casting machine according to claim 1, characterized in that: A cylinder (601) is fixedly mounted on the top of the protection box (6), a fan (603) is fixedly mounted on one side of the cylinder (601), coiled heating tubes (602) are equidistantly mounted inside the cylinder (601), and a spray disc seat (604) is fixedly mounted on one side of the fan (603) via a pipe fitting.
8. A polyurethane film casting machine according to claim 1, characterized in that: A third shaft frame (7) is fixedly mounted on both sides of the bottom of the box body (1) via supporting foot rods, an idle motor (701) is fixedly mounted on one side of the third shaft frame (7), and a winding drum (702) is fixedly mounted on the output end of the idle motor (701).