A driving swing device for ultrafiltration membrane winder

Abstract

The present invention relates to the field of film manufacturing technology, and specifically to a driving swing device for an ultrafiltration membrane winder, comprising a support platform, a mounting frame and a winding assembly; the driving swing device also comprises a swing control device, the swing control device comprises a rotation drive assembly, a differential transmission assembly and a first linear drive assembly; the differential transmission assembly comprises a support frame, a mounting ring, a first bevel gear, a main shaft and a second bevel gear; the mounting ring is rotatably mounted on the support frame, and the driving end of the rotation drive assembly is transmission-connected with the mounting ring; the first bevel gear is provided with at least one, and the first bevel gear is rotationally mounted on the mounting ring; the main shaft is rotationally mounted on the frame; the second bevel gear is fixedly sleeved on the main shaft; the first linear drive assembly is transmission-connected with the main shaft, and the driving end of the first linear drive assembly is transmission-connected with the mounting frame. The present invention realizes the function of automatically controlling the swing direction, and solves the problem that the film will be broken during the swinging process of the traditional driving swing device.

Description

Technical Field

[0001] The invention relates to the technical field of thin film manufacturing, in particular to a driving swing device for an ultrafiltration membrane winder. Background Art

[0002] Ultrafiltration membranes are polymer semipermeable membranes used in ultrafiltration processes, with pore sizes typically ranging from 2 to 50 nm. Winding is an essential process in ultrafiltration membrane production. During this process, uneven thickness across the membrane's cross-section, particularly at the ends, can lead to wrinkles as the membrane roll diameter increases and the thickness accumulates.

[0003] To this end, Chinese patent CN216583229U discloses a swing device for a polylactic acid film winder, and polylactic acid film can be used as one of the preparation materials of ultrafiltration membrane. When it has the specific pore size and separation performance required by the ultrafiltration membrane, it can be called an ultrafiltration membrane. The swing device sends an operation instruction, a speed instruction and a swing amplitude instruction to the servo driver through a PLC controller. The servo driver outputs a PWM wave to control the operation of the servo motor according to the received instruction, and drives the push rod to perform telescopic movement relative to the electric cylinder through the reducer, thereby driving the winder to move back and forth along the guide rail pair, realizing automatic swing of the winder during the winding process, reducing the use of human resources, and at the same time, the absolute encoder can feedback the swing position of the winder in real time. The servo driver compares the received feedback position with the instruction and performs calculations to achieve precise position closed-loop control, which can make the winder stably swing at different speeds, different swing amplitudes and different swing periods to improve the quality of the polylactic acid film winding and the flatness of the film roll.

[0004] However, its swing stroke is fixed. During the winding process, if the film is skewed and the winder swings in the opposite direction, it will pull the film and cause it to be broken. Summary of the Invention

[0005] In response to the above problems, a driving swing device for an ultrafiltration membrane winder is provided. The problem that the traditional driving swing device may break the membrane during the swinging process is solved through a frame and a swing control device.

[0006] In order to solve the problems of the prior art, the technical solution adopted by the present invention is:

[0007] The cam is fixedly mounted on the support frame, and the cam is engaged with the first gear and the second gear of the driven gear.

[0008] Preferably, the first linear drive assembly includes a connecting rod, a rotating gear and a rack; the connecting rod is fixedly mounted on the mounting frame; the two rotating gears are fixedly sleeved on the two main shafts respectively; the two racks are fixedly mounted on the two connecting rods respectively, and the two racks are respectively located above and below the rotating gear, and the two racks are respectively connected to the two rotating gears.

[0009] Preferably, the driving swing device also includes a position control device, the position control device includes a limit assembly, the limit assembly includes a guide rail, a slider and a limit plate; the guide rail is fixedly mounted on the support platform; two sliders are provided, the sliders are slidably mounted on the guide rail, and the sliders are fixedly connected to the mounting frame; two limit plates are provided, and the two limit plates are respectively fixedly mounted at both ends of the guide rail.

[0010] Preferably, the position control device also includes a buffer assembly, two buffer assemblies are provided, and the two buffer assemblies are respectively installed on two limit plates; the buffer assembly includes a buffer plate and a first elastic member; the buffer plate is slidably installed on the limit plate; the two ends of the first elastic member are respectively fixedly connected to the buffer plate and the limit plate.

[0011] Preferably, the position control device also includes a fixed component, which includes a mounting seat, a pressure sensor, a second elastic member, a roller and an electromagnet; a mounting groove is opened on the guide rail; the mounting seat is slidably installed in the mounting groove; the pressure sensor is fixedly installed on the mounting frame, and the pressure sensor is located in the mounting groove; the two ends of the second elastic member are respectively fixedly connected to the pressure sensor and the mounting seat; the roller is rotatably installed on the mounting seat; the electromagnet is fixedly installed on the guide rail, and a metal block that cooperates with the electromagnet is fixedly installed on the bottom of the mounting seat.

[0012] Preferably, the position control device also includes a second linear drive assembly, which includes a hydraulic cylinder, a push rod and a push plate; the hydraulic cylinder is fixedly installed on the limit plate; the push rod is slidably installed in the hydraulic cylinder; and the push plate is fixedly connected to the push rod.

[0013] Preferably, the rotary drive assembly includes a first rotary drive, a sleeve and a synchronous belt; the first rotary drive is fixedly mounted on the frame; two sleeves are provided, one of which is fixedly sleeved on the mounting ring, and the other sleeve is fixedly sleeved on the driving end of the first rotary drive; the two ends of the synchronous belt are respectively sleeved on the two sleeves.

[0014] Preferably, the winding assembly includes a rotating shaft, a winding roller and a second rotating driver; the rotating shaft is rotatably mounted on the mounting frame; the winding roller is fixedly sleeved on the rotating shaft; the second rotating driver is fixedly mounted on the mounting frame, and the driving end of the second rotating driver is fixedly connected to the rotating shaft.

[0015] Preferably, the driving swing device also includes a first transmission roller, a second transmission roller, a tension roller and a linear drive; the first transmission roller and the second transmission roller are rotatably mounted on the frame; the slide is slidably mounted on the frame; the tension roller is rotatably mounted on the slide; the linear drive is fixedly mounted on the frame, and the driving end of the linear drive is fixedly connected to the slide.

[0016] Preferably, the limit assembly further includes a distance sensor and a sensing plate; two distance sensors are provided, and the two distance sensors are fixedly mounted on the two limit plates respectively; two sensing plates are provided, and the two sensing plates are fixedly mounted on both ends of the mounting frame respectively.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention realizes the function of automatically controlling the swing direction through the frame and the swing control device, and achieves the effect of automatically changing the swing direction as the film is subjected to force during the swing process, solving the problem that the traditional driving swing device will break the film during the swing process.

[0019] 2. The present invention realizes the function of utilizing the rotation of the main shaft to drive the mounting frame to slide through the connecting rod, the rotating gear and the rack, and achieves the effect of utilizing the driving force of the rotating drive assembly to drive the mounting frame to slide.

[0020] 3. The present invention realizes the function of buffering the impact between the mounting frame and the limit plate through the buffer plate and the first elastic member, thereby protecting the mounting frame while reducing the sliding and turning speed of the mounting frame, and further protecting the parts of the driving swing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of a driving swing device for an ultrafiltration membrane winder;

[0022] Figure 2 It is a front view of a driving swing device for an ultrafiltration membrane winder;

[0023] Figure 3 The present invention is a front view of a swing control device and a position control device in a driving swing device for an ultrafiltration membrane winder;

[0024] Figure 4 It is a three-dimensional schematic diagram of a swing control device and a control device in a driving swing device for an ultrafiltration membrane winder;

[0025] Figure 5 yes Figure 4 A partial enlarged schematic diagram of point A in the middle;

[0026] Figure 6 yes Figure 4 A partial enlarged schematic diagram of point B in the middle;

[0027] Figure 7 It is a three-dimensional schematic diagram of a rotary drive assembly and a differential transmission assembly in a drive swing device for an ultrafiltration membrane winder;

[0028] Figure 8 It is a three-dimensional exploded schematic diagram of a differential transmission assembly in a drive swing device for an ultrafiltration membrane winder;

[0029] Figure 9 It is a three-dimensional schematic diagram of a buffer assembly and a second linear drive assembly in a drive swing device for an ultrafiltration membrane winder;

[0030] Figure 10 It is a three-dimensional schematic diagram of a swing control device in a driving swing device for an ultrafiltration membrane winder;

[0031] Figure 11 yes Figure 10 A partial enlarged schematic diagram of point C in the middle;

[0032] Figure 12 It is a three-dimensional schematic diagram of a tensioning device in a driving swing device for an ultrafiltration membrane winder;

[0033] Figure 13 yes Figure 12 A local enlarged schematic diagram of point D in the middle.

[0034] The numbers in the figure are:

[0035] 1- rack;

[0036] 11-support platform;

[0037] 12-Mounting frame;

[0038] 13-winding assembly; 131-rotating shaft; 132-winding roller; 133-second rotary drive;

[0039] 2-Swing control device;

[0040] 21-rotation drive assembly; 211-first rotation drive; 212-sleeve; 213-synchronous belt;

[0041] 22-differential transmission assembly; 221-support frame; 222-mounting ring; 223-first bevel gear; 224-main shaft; 225-second bevel gear;

[0042] 23-first linear drive assembly; 231-connecting rod; 232-rotating gear; 233-rack;

[0043] 3- Position control device;

[0044] 31-limiting assembly; 311-guide rail; 312-slider; 313-limiting plate; 314-distance sensor; 315-sensor plate;

[0045] 32-buffer assembly; 321-buffer plate; 322-first elastic member;

[0046] 33-fixing assembly; 331-mounting slot; 332-mounting seat; 333-pressure sensor; 334-second elastic member; 335-roller; 336-electromagnet;

[0047] 34-second linear drive assembly; 341-hydraulic cylinder; 342-push rod; 343-push plate;

[0048] 4-Tensioning device;

[0049] 41-first transmission roller;

[0050] 42- second transmission roller;

[0051] 43-slide seat;

[0052] 44- tension roller;

[0053] 45-Linear drive. DETAILED DESCRIPTION

[0054] In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0055] Reference Figures 1-13: A driving swing device for an ultrafiltration membrane winder, comprising a support platform 11, a mounting frame 12 and a winding assembly 13; the support platform 11 is fixedly mounted on the frame 1; the mounting frame 12 is slidably mounted on the support platform 11; the winding assembly 13 is fixedly mounted on the mounting frame 12; the driving swing device also includes a swing control device 2, the swing control device 2 includes a rotation drive assembly 21, a differential transmission assembly 22 and a first linear drive assembly 23; the rotation drive assembly 21 is fixedly mounted on the frame 1; the differential transmission assembly 22 includes a support frame 221, a mounting ring 222, a first bevel gear 223, a main shaft 224 and a second bevel gear 225; the support frame 221 is fixedly mounted on the frame 1; the mounting ring 222 is rotatably mounted on the support On the frame 221, the driving end of the rotation drive assembly 21 is transmission connected with the mounting ring 222; there is at least one first bevel gear 223, and the first bevel gear 223 is rotatably mounted on the mounting ring 222; there are two main shafts 224, and the main shaft 224 is rotatably mounted on the frame 1; there are two second bevel gears 225, and the two second bevel gears 225 are respectively fixedly sleeved on the two main shafts 224, and the second bevel gear 225 is gear-meshed with the first bevel gear 223; there are two first linear drive assemblies 23, and the two first linear drive assemblies 23 are respectively transmission connected with the two main shafts 224, and the driving directions of the two first linear drive assemblies 23 are opposite. The driving end of the first linear drive assembly 23 is transmission connected with the mounting frame 12.

[0056] The present invention realizes the function of automatically controlling the swing direction through the frame 1 and the swing control device 2, and achieves the effect of automatically changing the swing direction as the film is subjected to force during the swing process, thereby solving the problem that the traditional drive swing device will break the film during the swing process; the rotary drive component 21 is electrically connected to the controller; the operator connects the film to the winding component 13, and then sends a signal to the rotary drive component 21 through the controller. After receiving the signal, the rotary drive component 21 drives the mounting ring 222 to rotate, and the mounting ring 222 drives the first bevel gear 223 installed thereon to rotate, and then the first bevel gear 223 drives the second bevel gear 225 to rotate, thereby driving the two main shafts 224 to rotate. Since the driving directions of the two first linear drive components 23 are opposite, the rotations of the two main shafts 224 will conflict with each other, and the two main shafts 224 are driven by one rotary drive component 21, so the driving force is equal. At this time, the operator pushes the mounting frame 12 to destroy the balanced state of the two main shafts 224. At this time, the first linear drive component 23 with the same driving direction as the moving direction of the mounting frame 12 begins to drive the mounting frame 12 to slide, and the other linear drive component 23 with the same driving direction as the moving direction of the mounting frame 12 begins to drive the mounting frame 12 to slide, and the other linear drive component 23 The dynamic assembly is subjected to the resistance brought by the driving of the first linear drive assembly 23, and the main shaft 224 is subjected to the resistance brought by the driving of the rotary drive assembly 21 and rotates in the opposite direction. The driving force and resistance of the two main shafts 224 are provided by the rotary drive assembly 21. Its state is similar to the state of the differential structure in a car when the car turns. Under the continuous drive of the rotary drive assembly 21, the mounting frame 12 begins to slide in one direction. At this time, the mounting frame 12 is also in a force balance state. As the mounting frame 12 moves, the film approaches the swing limit, and the pulling force of the film on the winding assembly 13 increases. , so that the pulling force on the mounting frame 12 also increases, the force state of the mounting frame 12 changes, and the resistance it receives in the direction opposite to the movement direction increases, thereby destroying its movement state. At this time, the driving directions of the two first linear drive components 23 change, causing the sliding direction of the mounting frame 12 to change and slide in the opposite direction; and in the film winding process, once the force on the winding component 13 changes, the force balance of the main shaft 224 changes, and the swing direction of the mounting frame 12 will change, thereby avoiding the situation where the film is damaged due to forced swinging of the mounting frame 12.

[0057] Reference Figure 2-Figure 4 : The first linear drive assembly 23 includes a connecting rod 231, a rotating gear 232 and a rack 233; the connecting rod 231 is fixedly mounted on the mounting frame 12; the two rotating gears 232 are respectively fixedly sleeved on the two main shafts 224; the two racks 233 are respectively fixedly mounted on the two connecting rods 231, and the two racks 233 are respectively located above and below the rotating gear 232, and the two racks 233 are respectively connected to the two rotating gears 232 for transmission.

[0058] The present invention realizes the function of utilizing the rotation of the main shaft 224 to drive the mounting frame 12 to slide through the connecting rod 231, the rotating gear 232 and the rack 233, and achieves the effect of utilizing the driving force of the rotating drive component 21 to drive the mounting frame 12 to slide; the operator connects the film to the winding component 13, and then sends a signal to the rotating drive component 21 through the controller. After receiving the signal, the rotating drive component 21 drives the mounting ring 222 to rotate, and the mounting ring 222 drives the first bevel gear 223 installed thereon to rotate, and then the first bevel gear 223 drives the second bevel gear 225 to rotate, thereby driving the two main shafts 224 to rotate. Since the driving directions of the two first linear drive components 23 are opposite, the rotations of the two main shafts 224 will conflict with each other, and the two main shafts 224 are driven by a rotating drive component. The components 21 are driven, so the driving forces are equal. At this time, the operator pushes the mounting frame 12, destroying the balanced state of the two main shafts 224. At this time, according to the pushing direction of the operator, one of the main shafts 224 rotates in the forward direction, and the main shaft 224 drives the rotating gear 232 to rotate. The rotation of the rotating gear 232 drives the rack 233 connected to it to move, and the rack 233 drives the mounting frame 12 to slide through the connecting rod 231, while the rotating gear 232 at the other end rotates in the opposite direction under the movement of the rack 233. The differential transmission component 22 is used to avoid conflict between the asynchronous rotations of the two main shafts 224, and the driving force and resistance respectively received by the two main shafts 224 are provided by the rotation drive component 21. Once the resistance received by the main shaft 224 at one end increases, the sliding direction of the mounting frame 12 will be changed.

[0059] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 9 、 Figure 10 、 Figure 11 : The driving swing device also includes a position control device 3, the position control device 3 includes a limit assembly 31, the limit assembly 31 includes a guide rail 311, a slider 312 and a limit plate 313; the guide rail 311 is fixedly installed on the support platform 11; there are two sliders 312, the sliders 312 are slidably installed on the guide rail 311, and the slider 312 is fixedly connected to the mounting frame 12; there are two limit plates 313, and the two limit plates 313 are respectively fixedly installed at both ends of the guide rail 311.

[0060] The present invention realizes the function of controlling the sliding of the mounting bracket 12 through the guide rail 311, the slider 312 and the limit plate 313, thereby achieving the effect of controlling the swing limit distance of the mounting bracket 12; changing the sliding direction of the mounting bracket 12 only by pulling the film will cause the film to continuously approach the pulling limit, resulting in damage to the film. For this purpose, a limit assembly 31 is designed, and the operator first connects the film to the winding assembly 13, and then sends a signal to the rotation drive assembly 21 through the controller. After receiving the signal, the rotation drive assembly 21 drives the mounting ring 222 to rotate, and the mounting ring 222 drives the first bevel gear 223 installed thereon to rotate, and then the first bevel gear 223 drives the second bevel gear 225 to rotate, thereby driving the two main shafts 224 to rotate. Since the driving directions of the two first linear drive assemblies 23 are opposite, the rotations of the two main shafts 224 will conflict with each other, and the two main shafts 224 are driven by a rotation drive assembly 21, so the driving forces are opposite. The rack 233 connected to the gear 232 is driven by the rotation of the gear 232 to move, and the rack 233 drives the mounting bracket 12 to slide through the connecting rod 231, and the mounting bracket 12 drives the slider 312 to slide along the guide rail 311, while the rotating gear 232 at the other end rotates in the opposite direction under the movement of the rack 233. As the mounting bracket 12 slides, the mounting bracket 12 approaches the limit plate 313. When the mounting bracket 12 contacts the limit plate 313, it is blocked and reacted by the limit bracket, causing the resistance of one of the main shafts 224 to increase sharply, thereby changing the sliding direction of the mounting bracket 12; through the blocking of the limit plate 313, the film is no longer subject to the pulling limit every time it turns, thereby improving the quality of the film.

[0061] Reference Figure 1 、 Figure 3 and Figure 9 : The position control device 3 also includes a buffer assembly 32, and two buffer assemblies 32 are provided. The two buffer assemblies 32 are respectively installed on the two limit plates 313; the buffer assembly 32 includes a buffer plate 321 and a first elastic member 322; the buffer plate 321 is slidably installed on the limit plate 313; the two ends of the first elastic member 322 are respectively fixedly connected to the buffer plate 321 and the limit plate 313.

[0062] The present invention realizes the function of buffering the impact between the mounting bracket 12 and the limit plate 313 through the buffer plate 321 and the first elastic member 322, thereby protecting the mounting bracket 12 while slowing down the sliding and turning speed of the mounting bracket 12, and further protecting the parts of the driving swing device; when the mounting bracket 12 slides along the guide rail 311 under the drive of the rotation drive assembly 21, as the mounting bracket 12 slides, the mounting bracket 12 approaches the limit plate 313, and when the mounting bracket 12 approaches the buffer plate 321, the mounting bracket 12 squeezes the buffer plate 321, thereby causing the first elastic member 322 to contract. As the first elastic member 322 contracts, the elastic force generated by it gradually increases, and the resistance to the sliding of the mounting bracket 12 increases, changing the force conditions of the two main shafts 224, thereby changing the sliding direction of the mounting bracket 12, and through the buffering of the first elastic member 322, the time of the sliding and turning process of the mounting bracket 12 is extended, thereby greatly reducing the impact of the steering on the differential transmission assembly 22 and the limit plate 313, thereby slowing down the wear of the parts and extending the service life of the parts.

[0063] Reference Figure 1 、 Figure 4 、 Figure 5 、 Figure 10 and Figure 11 : The position control device 3 also includes a fixed component 33, which includes a mounting seat 332, a pressure sensor 333, a second elastic member 334, a roller 335 and an electromagnet 336; a mounting groove 331 is opened on the guide rail 311; the mounting seat 332 is slidably installed in the mounting groove 331; the pressure sensor 333 is fixedly installed on the mounting frame 12, and the pressure sensor 333 is located in the mounting groove 331; the two ends of the second elastic member 334 are respectively fixedly connected to the pressure sensor 333 and the mounting seat 332; the roller 335 is rotatably installed on the mounting seat 332; the electromagnet 336 is fixedly installed on the guide rail 311, and a metal block that cooperates with the electromagnet 336 is fixedly installed on the bottom of the mounting seat 332.

[0064] The present invention realizes the function of fixing the mounting seat 332 through the mounting groove 331, the mounting seat 332, the pressure sensor 333, the second elastic member 334 and the roller 335; the electromagnet 336 is electrically connected to the controller; since the main shaft 224 will be in a balanced state every time the rotation drive assembly 21 is started, external force interference is required to release the balance, so that the mounting bracket 12 can be driven to slide by the rotation drive assembly 21. For this reason, a fixing assembly 33 is designed, and the operator sends a signal through the controller to turn off the rotation drive assembly 21 every time, the rotation drive assembly 21 stops driving. At this time, the operator manually pushes the mounting bracket 12. Through the thrust interference of the operator, the mounting bracket 12 slides along the guide rail 311. At this time, the mounting ring 222 stops rotating due to the resistance of the rotation drive assembly 21, and the second bevel gears 225 at both ends of the first bevel gear 223 rotate in opposite directions. Therefore, the two main shafts 224 rotate in opposite directions, and the two main shafts 224 respectively drive the two rotating gears 232 to rotate, and the mounting bracket When the cam 332 is in the unlock state, the cam 332 is locked and the locking cam 333 is unlocked, and the cam 332 is locked.

[0065] Reference Figure 1 、 Figure 3 and Figure 4 : The position control device 3 also includes a second linear drive component 34, which includes a hydraulic cylinder 341, a push rod 342 and a push plate 343; the hydraulic cylinder 341 is fixedly installed on the limit plate 313; the push rod 342 is slidably installed in the hydraulic cylinder 341; the push plate 343 is fixedly connected to the push rod 342.

[0066] The present invention realizes the function of automatically driving the mounting frame 12 to slide by the hydraulic cylinder 341, the push rod 342 and the push plate 343, thereby reducing the dependence on manual labor; the hydraulic cylinder 341 is electrically connected to the controller; each time the operator sends a signal through the controller to turn off the rotation drive assembly 21, the rotation drive assembly 21 stops driving. At this time, the operator sends a signal to the hydraulic cylinder 341 through the controller, and the hydraulic cylinder 341 drives the push rod 342 to extend, and the push rod 342 drives the push plate 343 to extend. When the push plate 343 contacts the mounting frame 12, the mounting frame 12 is driven to slide along the guide rail 311. At this time, the mounting ring 222 stops rotating due to the resistance of the rotation drive assembly 21, and the second ends of the first bevel gear 223 The bevel gears 225 rotate in opposite directions. Therefore, the two main shafts 224 rotate in opposite directions. The two main shafts 224 respectively drive the two rotating gears 232 to rotate, and the mounting bracket 12 can slide smoothly in one direction until the mounting bracket 12 overcomes the elastic force of the first elastic member 322 and moves to the end of the guide rail 311. At this time, the other end of the mounting bracket 12 just passes the mounting groove 331, and the squeezing of the mounting bracket 12 is lost. The mounting seat 332 slides upward under the elastic force of the second elastic member 334. At this time, the controller sends a signal to the hydraulic cylinder 341. After receiving the signal, the hydraulic cylinder 341 drives the push rod 342 to retract and stop pushing the mounting bracket 12. The mounting bracket 12 is fixed by the abutment between the mounting seat 332 and the mounting bracket 12.

[0067] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 7 : The rotation drive assembly 21 includes a first rotation driver 211, a sleeve 212 and a synchronous belt 213; the first rotation driver 211 is fixedly mounted on the frame 1; there are two sleeves 212, one of which is fixedly sleeved on the mounting ring 222, and the other sleeve 212 is fixedly sleeved on the driving end of the first rotation driver 211; the two ends of the synchronous belt 213 are respectively sleeved on the two sleeves 212.

[0068] The present invention realizes the function of driving the mounting ring 222 to rotate through the first rotation driver 211, the sleeve 212 and the synchronous belt 213; the first rotation driver 211 is preferably a servo motor, and the servo motor is electrically connected to the controller; after the operator starts the driving swing device, the controller sends a signal to the first rotation driver 211, and after receiving the signal, the first rotation driver 211 drives the mounting ring 222 to rotate through the sleeve 212 and the synchronous belt 213, thereby providing driving force for the sliding of the mounting frame 12.

[0069] Reference Figure 2-Figure 4: The winding assembly 13 includes a rotating shaft 131, a winding roller 132 and a second rotating driver 133; the rotating shaft 131 is rotatably mounted on the mounting frame 12; the winding roller 132 is fixedly sleeved on the rotating shaft 131; the second rotating driver 133 is fixedly mounted on the mounting frame 12, and the driving end of the second rotating driver 133 is fixedly connected to the rotating shaft 131.

[0070] The present invention realizes the function of winding up the ultrafiltration membrane through the rotating shaft 131, the winding roller 132 and the second rotating driver 133; the second rotating driver 133 is preferably a servo motor, and the servo motor is electrically connected to the controller; the operator first connects the film to the winding roller 132, and then starts the driving swing device. The controller sends a signal to the first rotating driver 211 and the second rotating driver 133. After receiving the signal, the first rotating driver 211 drives the mounting ring 222 to rotate, thereby driving the mounting frame 12 to slide back and forth. At the same time, the second rotating driver 133 drives the rotating shaft 131 to rotate after receiving the signal, and the rotating shaft 131 drives the winding roller 132 to rotate, thereby continuously winding the film onto the winding roller 132.

[0071] Reference Figure 1 、 Figure 12 and Figure 13 : The driving swing device also includes a tensioning device 4, which includes a first transmission roller 41, a second transmission roller 42, a tension roller 44 and a linear drive 45; the first transmission roller 41 and the second transmission roller 42 are rotatably mounted on the frame 1; the slide 43 is slidably mounted on the frame 1; the tension roller 44 is rotatably mounted on the slide 43; the linear drive 45 is fixedly mounted on the frame 1, and the driving end of the linear drive 45 is fixedly connected to the slide 43.

[0072] The present invention realizes the function of maintaining film tension through the first transmission roller 41, the second transmission roller 42, the slide 43, the tension roller 44 and the linear drive 45; the linear drive 45 is preferably a hydraulic cylinder 341; the operator first connects the film to the winding roller 132, and then passes the film through the first transmission roller 41, the tension roller 44 and the second transmission roller 42 in sequence, and then sends a signal to the linear drive 45 through the controller. After receiving the signal, the linear drive 45 drives the slide 43 to slide, and the slide 43 drives the tension roller 44 to move upward. The tension of the film is adjusted by adjusting the driving force of the linear drive 45, so that the film remains taut during the winding process.

[0073] Reference Figure 2 、 Figure 5 、 Figure 6 and Figure 9: The limit assembly 31 also includes a distance sensor 314 and a sensing plate 315; there are two distance sensors 314, which are respectively fixedly mounted on the two limit plates 313, and there are two sensing plates 315, which are respectively fixedly mounted on both ends of the mounting frame 12.

[0074] The present invention realizes the function of monitoring the position of the mounting frame 12 through two distance sensors 314; the distance sensor 314 is electrically connected to the controller; in order to reduce the dependence of the driving swing device on manual labor, the distance sensor 314 is designed, and the detection end of the distance sensor 314 is aligned with the sensing plate 315. During the movement of the mounting frame 12, the sensing plate 315 also moves accordingly. After sensing the movement of the mounting frame 12, its position is regularly fed back to the controller, so as to analyze the movement of the mounting frame 12 and analyze whether there are any abnormal conditions, thereby improving the degree of automation of the driving swing device, further improving the working stability of the driving swing device, reducing its dependence on manual labor, and reducing personnel costs.

[0075] The above embodiments merely represent one or several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A driving swing device for an ultrafiltration membrane winder, comprising a support platform (11), a mounting frame (12) and a winding assembly (13); The support platform (11) is fixedly mounted on the frame (1); The mounting frame (12) is slidably mounted on the supporting platform (11); The winding assembly (13) is fixedly mounted on the mounting frame (12); It is characterized in that The driving swing device further comprises a swing control device (2), wherein the swing control device (2) comprises a rotation drive component (21), a differential transmission component (22) and a first linear drive component (23); The rotary drive assembly (21) is fixedly mounted on the frame (1); The differential transmission assembly (22) comprises a support frame (221), a mounting ring (222), a first bevel gear (223), a main shaft (224) and a second bevel gear (225); The support frame (221) is fixedly mounted on the frame (1); The mounting ring (222) is rotatably mounted on the support frame (221), and the driving end of the rotary drive assembly (21) is drivingly connected to the mounting ring (222); The first bevel gear (223) is provided with at least one bevel gear, and the first bevel gear (223) is rotatably mounted on the mounting ring (222); Two main shafts (224) are provided, and the main shafts (224) are rotatably mounted on the frame (1); Two second bevel gears (225) are provided, and the two second bevel gears (225) are respectively fixedly sleeved on the two main shafts (224), and the second bevel gears (225) are meshedly connected with the first bevel gear (223); Two first linear drive assemblies (23) are provided, the two first linear drive assemblies (23) are respectively connected in driving relation to the two main shafts (224), the driving directions of the two first linear drive assemblies (23) are opposite, and the driving ends of the first linear drive assemblies (23) are connected in driving relation to the mounting frame (12); The driving swing device further comprises a position control device (3), the position control device (3) comprises a limit assembly (31), and the limit assembly (31) comprises a guide rail (311), a sliding block (312), and a limit plate (313); The guide rail (311) is fixedly mounted on the support platform (11); Two sliders (312) are provided, the sliders (312) are slidably mounted on the guide rails (311), and the sliders (312) are fixedly connected to the mounting frame (12); Two limit plates (313) are provided, and the two limit plates (313) are respectively fixedly mounted on two ends of the guide rail (311); The position control device (3) further comprises a buffer assembly (32), wherein two buffer assemblies (32) are provided, and the two buffer assemblies (32) are respectively mounted on the two limit plates (313); The buffer assembly (32) comprises a buffer plate (321) and a first elastic member (322); The buffer plate (321) is slidably mounted on the limiting plate (313); Two ends of the first elastic member (322) are respectively fixedly connected to the buffer plate (321) and the limit plate (313); The position control device (3) further comprises a fixing assembly (33), wherein the fixing assembly (33) comprises a mounting seat (332), a pressure sensor (333), a second elastic member (334), a roller (335), and an electromagnet (336); The guide rail (311) is provided with a mounting groove (331); The mounting seat (332) is slidably mounted in the mounting groove (331); The pressure sensor (333) is fixedly mounted on the mounting frame (12), and the pressure sensor (333) is located in the mounting groove (331); Two ends of the second elastic member (334) are fixedly connected to the pressure sensor (333) and the mounting seat (332) respectively; The roller (335) is rotatably mounted on the mounting seat (332); The electromagnet (336) is fixedly mounted on the guide rail (311), and a metal block matching the electromagnet (336) is fixedly mounted on the bottom of the mounting seat (332); The driving swing device further comprises a first transmission roller (41), a second transmission roller (42), a tension roller (44) and a linear drive (45); The first transmission roller (41) and the second transmission roller (42) are rotatably mounted on the frame (1); The slide seat (43) is slidably mounted on the frame (1); The tension roller (44) is rotatably mounted on the slide seat (43); The linear drive (45) is fixedly mounted on the frame (1), and the driving end of the linear drive (45) is fixedly connected to the slide seat (43); The limiting component (31) further includes a distance sensor (314) and a sensing plate (315); Two distance sensors (314) are provided, and the two distance sensors (314) are respectively fixedly mounted on the two limit plates (313); Two sensing plates (315) are provided, and the two sensing plates (315) are respectively fixedly mounted on two ends of the mounting frame (12).

2. A driving swing device for an ultrafiltration membrane winder according to claim 1, characterized in that: The first linear drive assembly (23) comprises a connecting rod (231), a rotating gear (232) and a rack (233); The connecting rod (231) is fixedly mounted on the mounting frame (12); The two rotating gears (232) are respectively fixedly sleeved on the two main shafts (224); The two racks (233) are respectively fixedly mounted on the two connecting rods (231); the two racks (233) are respectively located above and below the rotating gear (232); and the two racks (233) are respectively transmission-connected to the two rotating gears (232).

3. The driving swing device for an ultrafiltration membrane winder according to claim 1, characterized in that: The position control device (3) further comprises a second linear drive assembly (34), wherein the second linear drive assembly (34) comprises a hydraulic cylinder (341), a push rod (342) and a push plate (343); The hydraulic cylinder (341) is fixedly mounted on the limit plate (313); The push rod (342) is slidably mounted in the hydraulic cylinder (341); The push plate (343) is fixedly connected to the push rod (342).

4. The driving swing device for an ultrafiltration membrane winder according to claim 1, characterized in that: The rotary drive assembly (21) comprises a first rotary drive (211), a sleeve (212) and a synchronous belt (213); The first rotary driver (211) is fixedly mounted on the frame (1); Two sleeves (212) are provided, one of which is fixedly sleeved on the mounting ring (222), and the other sleeve (212) is fixedly sleeved on the driving end of the first rotary driver (211); The two ends of the synchronous belt (213) are respectively sleeved on the two sleeves (212).

5. The driving swing device for an ultrafiltration membrane winder according to claim 1, characterized in that: The winding assembly (13) comprises a rotating shaft (131), a winding roller (132) and a second rotating driver (133); The rotating shaft (131) is rotatably mounted on the mounting frame (12); The winding roller (132) is fixedly sleeved on the rotating shaft (131); The second rotary driver (133) is fixedly mounted on the mounting frame (12), and a driving end of the second rotary driver (133) is fixedly connected to the rotary shaft (131).

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