Screen changer of granulator

The mechanical structure driven by an electric cylinder and a motor allows for convenient replacement of the filter screen of the granulator screen changer and adjustment of the filter hole size, solving the problems of complex operation and poor filtering effect in the existing technology, extending the equipment life and improving product quality.

CN120816702APending Publication Date: 2025-10-21FOSHAN QIFAN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202511054883.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-30
Publication Date
2025-10-21

AI Technical Summary

Technical Problem

The existing granulator screen changer is cumbersome and complicated to operate when replacing the filter screen, which can easily cause equipment damage. The filter hole size is fixed and cannot be adjusted, and impurities adhere to it, affecting the filtering effect and equipment life.

Method used

An electric cylinder is used to push the moving cylinder, and the rotating motor drives the rotating threaded rod to realize the convenient removal and replacement of the filter screen. The size of the filter hole is adjusted by the engagement of the rotating motor and the fixed gear. At the same time, the cleaning mechanism is used to clean the inside of the moving cylinder to avoid impurities.

Benefits of technology

It realizes the convenient replacement of the filter screen and the flexible adjustment of the filter holes, improves the stability and filtering effect of the equipment, extends the service life of the equipment and ensures product quality.

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Abstract

The invention discloses a granulator screen changer, and belongs to the technical field of screen changers, an electric cylinder pushes a moving cylinder to move, a displacement part adjusts the positions of the moving cylinder, a filter screen and a fixed cover, then the electric cylinder drives the moving cylinder to restore to the original shape, the filter screen can be taken down, and then a motor is connected to adjust and connect a bidirectional threaded rod to rotate; the clamping plates are adjusted to release the fixed cover and the filter screen, then a new fixed cover and a new filter screen are placed between the two clamping plates, the filter screen is fixed in the moving cylinder through the displacement component, the filter screen can be conveniently detached and replaced, and the clamping plates are adjusted by the rotating motor to drive the fixed cover and the filter screen to rotate in the moving cylinder. The filter holes in the filter screen and the movable cylinder coincide, the size of the filter holes can be adjusted, when the filter screen is disassembled and the clamping plate drives the fixed cover, the filter screen and the scraper to rotate in the movable cylinder, the interior of the movable cylinder can be cleaned, and the surface of the movable cylinder can be cleaned through the arrangement of the cleaning mechanism.
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Description

Technical Field

[0001] The invention belongs to the technical field of screen changers, in particular to a screen changer for a granulator. Background Art

[0002] A screen changer is a manual or automatic switching device consisting of one or more filter screens, used to filter out foreign particles and impurities as the plasticized material flows through the screens. The filter screen consists of an alloy porous plate mounted on a plate-type or column-type carrier, which can be moved to switch between a system's operating position and an offline, non-operating position. A screen changer can be installed on any new or existing extruder, melt pump, reactor, or other extrusion line. It can be used to filter any type of polymer, rubber, or ceramic melt. As a core component of the pelletizer, the screen changer's performance directly affects the quality of the final product. Its primary function is to filter the molten material during the production process, removing impurities, gel points, and other factors to ensure material purity, thereby producing high-quality pellets that meet standards.

[0003] Existing traditional granulator screen changers have obvious deficiencies in filter replacement. When replacing the filter, it is usually necessary to manually disassemble and install multiple parts. The operation process is cumbersome and complicated, which not only consumes a lot of time and manpower, but also easily causes equipment damage or improper installation of the filter due to improper operation. Traditional granulator screen changers mostly use a fixed filter structure. The filter hole size is determined when the equipment is manufactured and cannot be flexibly adjusted according to actual production needs. During the production process of the granulator, impurities in the material will gradually adhere to the inside and surface of the mobile cylinder of the screen changer. If it is not cleaned in time, it will not only affect the filtration effect and lead to a decline in product quality, but also accelerate the wear of the equipment and shorten the service life of the equipment. Summary of the Invention

[0004] The object of the present invention is to provide a granulator screen changer, which drives the moving cylinder to move by the electric cylinder, and drives the rotating threaded rod to rotate by the rotating motor, so that the connecting box drives the clamping part and the rotating part to move. At this time, the moving cylinder, the filter screen and the fixed cover move synchronously until the connecting box drives the clamping part and the rotating part to move to one side of the storage box, and then the moving cylinder is driven by the electric cylinder to restore the original state, the filter screen can be removed, and then the connecting motor drives one of the connecting gears to rotate, and the meshing between the two connecting gears causes the connecting bidirectional threaded rod to rotate, and the sliding plate drives the clamping box and the clamping plate to move through the limit of the connecting rod, so that the clamping plate releases the fixed cover and the filter screen, and the fixed cover and the filter screen fall onto the transmission plate and the support block, and the fixed cover and the filter screen roll to the side of the storage box, and the door can be opened to take out the fixed cover and the filter screen, and then the new fixed cover and the filter screen are placed between the two clamping plates, and the positions of the two clamping plates, the fixed cover and the filter screen are adjusted by the displacement component, and the two clamping plates, the fixed cover and the filter screen are fixed in the moving cylinder to complete the replacement of the filter screen. The filter screen is easy to disassemble and replace. The rotating motor is turned on, and the rotating motor drives the rotating gear to rotate. Through the meshing of the rotating gear and the transmission gear, the transmission gear drives the clamping plate to rotate. The clamping plate drives the fixed cover and the filter screen to rotate in the movable cylinder. The filter holes on the filter screen and the movable cylinder coincide with each other, and the size of the filter hole can be adjusted. When the filter screen is removed, the clamping plate drives the fixed cover, the filter screen and the scraper to rotate in the movable cylinder, and the inside of the movable cylinder can be cleaned. The fixed gear is driven by the fixed motor to rotate, and the two fixed gears are meshed to rotate the fixed bidirectional threaded rod. The fixed rod is limited to make the mounting plate drive the mounting box to move, thereby driving the cleaning plate to clamp the movable cylinder. Then the mounting motor is turned on, and the mounting motor drives the mounting gear to rotate forward and reverse. The mounting gear and the transmission gear ring are meshed, so that the transmission gear ring drives the cleaning plate to rotate to clean the surface of the movable cylinder, effectively avoiding the wear and blockage of the equipment caused by impurities, ensuring the stable operation of the equipment, extending the service life of the equipment, and also helping to improve the subsequent filtering effect and product quality.

[0005] The technical solution adopted by the present invention is as follows: a granulator screen changer, comprising: a support base; a screen changer body, the bottom of the screen changer body is fixedly connected to the top of the support base; an electric cylinder, two of the electric cylinders are provided, and each of the electric cylinders is fixedly connected to the outer surface of one side of the support base; a moving cylinder, two of the moving cylinders are provided, one end of each of the moving cylinders is fixedly connected to the extended end of the electric cylinder, and each moving cylinder is slidably embedded between the inner walls of the screen changer body; a cleaning mechanism, the cleaning mechanism is provided on the support base and the screen changer body; a moving mechanism, the moving mechanism is provided on the support base; and a filter screen, one end of the filter screen is slidably embedded between the inner walls of the moving cylinder.

[0006] Among them, each group of the cleaning mechanism includes a fixed box, an adjusting component, two groups of cleaning components and two groups of moving components. The bottom of the fixed box is fixedly connected to the top of the support base, and the outer surface of one side of the fixed box is fixedly connected to the outer surface of one side of the screen changer body. The adjusting component is arranged on the fixed box, each group of the cleaning components is arranged on the adjusting component, and each group of the moving components is arranged on the cleaning component.

[0007] In which, the adjusting component includes a support box, a fixed bidirectional threaded rod, two fixed plates, a fixed motor, two fixed gears and four fixed rods, the top of the support box is fixedly connected to the upper inner wall of the fixed box, both ends of each of the fixed plates are fixedly connected to the fixed box, the two ends of the fixed bidirectional threaded rod are rotatably connected between the two side inner walls of the support box, and one end of the fixed bidirectional threaded rod rotates through the two fixed plates, the two ends of each of the fixed rods are fixedly connected between the fixed plate and the support box, the fixed motor is fixedly connected to the upper inner wall of the support box, one of the fixed gears is fixedly sleeved on the output end of the fixed motor, and the other fixed gear is fixedly sleeved on the outer surface of the fixed bidirectional threaded rod, and the two fixed gears are meshed with each other.

[0008] Among them, each group of cleaning components includes a mounting plate, a mounting box, two limit bars and a cleaning plate, each mounting plate is threadedly sleeved on the outer surface of a fixed bidirectional threaded rod, and each mounting plate is slidably sleeved between the two fixed rods, the top of each mounting box is fixedly connected to the bottom end of the mounting plate, both sides of each cleaning plate are fixedly connected between the two limit bars, and one side of each limit bar is slidably embedded between the inner walls of the mounting box.

[0009] Among them, each group of the moving parts includes a mounting motor, a mounting gear and a transmission ring gear. The mounting motor is fixedly connected to the outer surface of one side of the mounting box, the mounting gear is fixedly sleeved on the output end of the mounting motor, and the transmission ring gear is fixedly sleeved on the outer surface of the cleaning plate, and the mounting gear and the transmission ring gear are engaged with each other.

[0010] Wherein, the moving mechanism includes a storage box, two transmission plates and four support blocks, two groups of displacement components, two groups of clamping components and four groups of rotating components. The bottom of the storage box is fixedly connected to the top of the support base, and the outer surface of one side of the storage box is fixedly connected to the outer surface of one side of the screen changer body. The two ends of each of the transmission plates are fixedly connected between the inner walls on both sides of the storage box, the bottom of each of the support blocks is fixedly connected to the top of the transmission plate, each group of the displacement components is arranged in the storage box, each group of the clamping components is arranged on the displacement component, and each group of the rotating components is arranged on the clamping component.

[0011] Wherein, each group of the displacement components includes a rotating motor, a rotating threaded rod, two limit rods and a connecting box, the two ends of the rotating threaded rod are rotatably connected between the inner walls of the two sides of the storage box, the two ends of each limit rod are fixedly connected between the inner walls of the two sides of the storage box, the connecting box is threadedly sleeved on the outer surface of the rotating threaded rod, and the connecting box is slidably sleeved between the two limit rods, the rotating motor is fixedly connected to the outer surface of one side of the storage box, and the output end of the rotating motor is fixedly connected to one end of the rotating threaded rod.

[0012] The two gears are connected in a direction, and the two gears are connected in a direction, and the two gears are connected in a direction of rotation of the gear train.

[0013] Among them, each group of rotating parts includes a rotating motor, a rotating gear and a transmission gear. The rotating motor is fixedly connected to the outer surface of one side of the clamping box, the rotating gear is fixedly sleeved on the output end of the rotating motor, and the transmission gear is fixedly sleeved on the outer surface of the clamping plate. The rotating gear and the transmission gear are engaged with each other.

[0014] Wherein, one end of the filter screen is fixedly connected with a scraper, and the other end of the filter screen is threadedly connected to the outer surface of one side of the fixing cover, and the fixing cover is arranged between the two clamping plates.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0016] (1) In the present invention, the moving cylinder is pushed to move by the electric cylinder, the rotating threaded rod is driven to rotate by the rotating motor, the connection box is moved by the limit rod, and the connection box drives the clamping part and the rotating part to move. At this time, the moving cylinder, the filter screen and the fixed cover move synchronously until the connection box drives the clamping part and the rotating part to move to one side of the storage box, and then the moving cylinder is driven to restore to its original state by the electric cylinder, the filter screen can be removed, and then the connecting motor drives one of the connecting gears to rotate, and the two connecting gears are engaged to make the connecting bidirectional threaded rod move. The rod rotates, and through the limit of the connecting rod, the sliding plate drives the clamping box and the clamping plate to move, so that the clamping plate releases the fixed cover and the filter screen, and the fixed cover and the filter screen fall onto the transmission plate and the support block. The fixed cover and the filter screen roll to the side of the storage box, and the door can be opened to take out the fixed cover and the filter screen, and then the new fixed cover and filter screen are placed between the two clamping plates. The position of the two clamping plates, the fixed cover and the filter screen is adjusted by the displacement component, and the two clamping plates, the fixed cover and the filter screen are fixed in the movable cylinder to complete the replacement of the filter screen, which can be easily disassembled and replaced.

[0017] (2) In the present invention, the rotating motor is turned on, and the rotating motor drives the rotating gear to rotate. Through the meshing of the rotating gear and the transmission gear, the transmission gear drives the clamping plate to rotate, and the clamping plate drives the fixed cover and the filter screen to rotate in the movable cylinder. The filter holes on the filter screen and the movable cylinder overlap, and the size of the filter hole can be adjusted. When the filter screen is removed, the clamping plate drives the fixed cover, the filter screen and the scraper to rotate in the movable cylinder, and the interior of the movable cylinder can be cleaned. The fixed motor drives the fixed gear to rotate, and the two fixed gears are meshed to rotate the fixed bidirectional threaded rod. Through the limit of the fixed rod, the mounting plate drives the mounting box to move, thereby driving the cleaning plate to clamp the movable cylinder. Then, the mounting motor is turned on, and the mounting motor rotates forward and reversely to drive the mounting gear to rotate forward and reverse. Through the meshing of the mounting gear and the transmission gear ring, the transmission gear ring drives the cleaning plate to rotate to clean the surface of the movable cylinder, effectively avoiding the wear and blockage of the equipment caused by impurities, ensuring the stable operation of the equipment, and extending the service life of the equipment. At the same time, it also helps to improve the subsequent filtering effect and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front perspective view of the present invention;

[0019] Figure 2 It is a front perspective partial cross-sectional view of the present invention;

[0020] Figure 3 It is a partial side perspective cross-sectional view of the present invention;

[0021] Figure 4 It is a partial side perspective and partial cross-sectional view of the present invention;

[0022] Figure 5 It is a top perspective partial cross-sectional view of the present invention;

[0023] Figure 6 It is a partial top cross-sectional view of the present invention;

[0024] Figure 7 It is a front perspective view of the moving mechanism portion of the present invention;

[0025] Figure 8 It is a partially exploded perspective view of the moving mechanism of the present invention;

[0026] Figure 9 It is a partial front perspective view of the cleaning mechanism of the present invention;

[0027] Figure 10 It is a partial side perspective cross-sectional view of the cleaning mechanism of the present invention.

[0028] Markings in the figure: 1. Support base; 2. Screen changer body; 3. Cleaning mechanism; 301. Fixed box; 302. Support box; 303. Fixed plate; 304. Fixed two-way threaded rod; 305. Fixed rod; 306. Fixed motor; 307. Fixed gear; 308. Mounting plate; 309. Mounting box; 310. Mounting motor; 311. Mounting gear; 312. Transmission ring gear; 313. Cleaning plate; 314. Limiting strip; 4. Electric cylinder; 5. Moving mechanism; 501. Storage box; 502. Transmission plate; 503, support block; 504, rotating motor; 505, rotating threaded rod; 506, limiting rod; 507, connecting box; 508, connecting motor; 509, connecting gear; 510, connecting plate; 511, connecting two-way threaded rod; 512, connecting rod; 513, sliding plate; 514, clamping box; 515, rotating motor; 516, rotating gear; 517, transmission gear; 518, clamping plate; 519, rotating bar; 6, fixed cover; 7, filter screen; 8, scraper; 9, moving cylinder. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] Reference Figures 1-10: The present invention provides a technical solution: a granulator screen changer, comprising: a support base 1; a screen changer main body 2, the bottom of the screen changer main body 2 is fixedly connected to the top of the support base 1; an electric cylinder 4, two electric cylinders 4 are provided, and each electric cylinder 4 is fixedly connected to the outer surface of one side of the support base 1; a moving cylinder 9, two moving cylinders 9 are provided, one end of each moving cylinder 9 is fixedly connected to the extended end of the electric cylinder 4, and each moving cylinder 9 is slidably embedded between the inner walls of the screen changer main body 2; a cleaning mechanism 3, the cleaning mechanism 3 is provided on the support base 1 and the screen changer main body 2; a moving mechanism 5, the moving mechanism 5 is provided on the support base 1; and a filter screen 7, one end of the filter screen 7 is slidably embedded between the inner walls of the moving cylinder 9.

[0031] In this embodiment: the support base 1 is configured to support the screen changer body 2, the electric cylinder 4, the cleaning mechanism 3 and the moving mechanism 5. The electric cylinder 4 can push the moving cylinder 9 to move. The cleaning mechanism 3 is used to clean the moving cylinder 9. The moving mechanism 5 can adjust the size of the filter holes between the filter screen 7 and the moving cylinder 9, and can also replace the filter screen 7. The principle and structure of the electric cylinder 4 are common knowledge to those skilled in the art and will not be introduced in detail here. Its model can be selected according to actual usage.

[0032] Specifically, each group of cleaning mechanisms 3 includes a fixed box 301, an adjusting component, two groups of cleaning components and two groups of moving components. The bottom of the fixed box 301 is fixedly connected to the top of the support base 1, and one side outer surface of the fixed box 301 is fixedly connected to one side outer surface of the screen changer body 2. The adjusting component is arranged on the fixed box 301, each group of cleaning components is arranged on the adjusting component, and each group of moving components is arranged on the cleaning component.

[0033] In this embodiment, the fixed box 301 is used to store an adjusting component, two groups of cleaning components and two groups of moving components. The adjusting component can adjust the position of the cleaning component, and the moving component can adjust the rotation of the cleaning component.

[0034] Specifically, the adjusting components include a support box 302, a fixed bidirectional threaded rod 304, two fixed plates 303, a fixed motor 306, two fixed gears 307 and four fixed rods 305. The top of the support box 302 is fixedly connected to the upper inner wall of the fixed box 301, and both ends of each fixed plate 303 are fixedly connected to the fixed box 301. The two ends of the fixed bidirectional threaded rod 304 are rotatably connected between the inner walls on both sides of the support box 302, and one end of the fixed bidirectional threaded rod 304 rotates through the two fixed plates 303. Both ends of each fixed rod 305 are fixedly connected between the fixed plate 303 and the support box 302. The fixed motor 306 is fixedly connected to the upper inner wall of the support box 302. One of the fixed gears 307 is fixedly sleeved on the output end of the fixed motor 306, and the other fixed gear 307 is fixedly sleeved on the outer surface of the fixed bidirectional threaded rod 304. The two fixed gears 307 are meshed with each other.

[0035] In this embodiment: the fixed motor 306 is turned on to drive the fixed gear 307 to rotate, and the two fixed gears 307 are engaged to rotate the fixed bidirectional threaded rod 304. The position of the cleaning component can be adjusted by limiting the fixed rod 305. The principle and structure of the fixed motor 306 are common knowledge to those skilled in the art and will not be introduced in detail here. Its model can be selected according to actual usage.

[0036] Specifically, each set of cleaning components includes a mounting plate 308, a mounting box 309, two limiting bars 314 and a cleaning plate 313. Each mounting plate 308 is threadedly sleeved on the outer surface of the fixed bidirectional threaded rod 304, and each mounting plate 308 is slidably sleeved between the two fixed rods 305. The top of each mounting box 309 is fixedly connected to the bottom end of the mounting plate 308, and both sides of each cleaning plate 313 are fixedly connected between the two limiting bars 314. One side of each limiting bar 314 is slidably embedded between the inner walls of the mounting box 309.

[0037] In this embodiment, the mounting plate 308 is used to support the mounting box 309 , and the setting of the limiting strip 314 can embed the cleaning plate 313 in the mounting box 309 . The positions of the two cleaning plates 313 can be adjusted by setting the adjusting component.

[0038] Specifically, each set of moving parts includes an installation motor 310, an installation gear 311 and a transmission ring gear 312. The installation motor 310 is fixedly connected to the outer surface of one side of the installation box 309, the installation gear 311 is fixedly sleeved on the output end of the installation motor 310, and the transmission ring gear 312 is fixedly sleeved on the outer surface of the cleaning plate 313. The installation gear 311 and the transmission ring gear 312 are engaged with each other.

[0039] In this embodiment: the installation motor 310 is turned on, and the installation motor 310 drives the installation gear 311 to rotate forward and reverse. The installation gear 311 is engaged with the transmission ring gear 312, so that the transmission ring gear 312 drives the cleaning plate 313 to rotate to clean the surface of the movable cylinder 9. The principle and structure of the installation motor 310 are common knowledge to those skilled in the art and will not be described in detail here. Its model can be selected according to actual usage.

[0040] Specifically, the moving mechanism 5 includes a storage box 501, two transmission plates 502 and four support blocks 503, two groups of displacement components, two groups of clamping components and four groups of rotating components. The bottom of the storage box 501 is fixedly connected to the top of the support base 1, and the outer surface of one side of the storage box 501 is fixedly connected to the outer surface of one side of the screen changer body 2. Both ends of each transmission plate 502 are fixedly connected between the inner walls on both sides of the storage box 501, and the bottom of each support block 503 is fixedly connected to the top of the transmission plate 502. Each group of displacement components is arranged in the storage box 501, each group of clamping components is arranged on the displacement component, and each group of rotating components is arranged on the clamping component.

[0041] In this embodiment: the storage box 501 is configured to install a displacement component, a clamping component and a rotating component. Two transmission plates 502 and four support blocks 503 are configured to transmit the filter screen 7. The transmission plate 502 is inclined in the storage box 501. A switch door is hinged on the outside of one side of the storage box 501. The displacement component can adjust the position of the clamping component and the position of the rotating component. The rotating component is configured to adjust the forward and reverse rotation of the clamping component.

[0042] Specifically, each set of displacement components includes a rotating motor 504, a rotating threaded rod 505, two limiting rods 506 and a connecting box 507. The two ends of the rotating threaded rod 505 are rotatably connected between the inner walls of the storage box 501. The two ends of each limiting rod 506 are fixedly connected between the inner walls of the storage box 501. The connecting box 507 is threadedly sleeved on the outer surface of the rotating threaded rod 505, and the connecting box 507 is slidably sleeved between the two limiting rods 506. The rotating motor 504 is fixedly connected to the outer surface of one side of the storage box 501, and the output end of the rotating motor 504 is fixedly connected to one end of the rotating threaded rod 505.

[0043] In this embodiment: the rotating threaded rod 505 is driven to rotate by the rotating motor 504, the connection box 507 can be moved by the limiting rod 506, the connection box 507 drives the clamping part and the rotating part to move, and the adjustable movable cylinder 9, the filter screen 7 and the fixed cover 6 move synchronously. The principle and structure of the rotating motor 504 are common knowledge of those skilled in the art and will not be introduced in detail here. Its model can be selected according to actual usage.

[0044] Specifically, each set of clamping components includes a connecting motor 508, two connecting gears 509, two connecting plates 510, a connecting bidirectional threaded rod 511, four connecting rods 512, four sliding plates 513, four clamping boxes 514, eight rotating bars 519 and four clamping plates 518. Both ends of each connecting plate 510 are fixedly connected to the storage box 501, both ends of the connecting bidirectional threaded rod 511 are rotatably connected between the inner walls of the connecting box 507, and one end of the connecting bidirectional threaded rod 511 rotates and passes through the two connecting plates 510. Both ends of each connecting rod 512 are fixedly connected between the connecting plate 510 and the connecting box 507. The connecting motor 508 is fixedly connected to the storage box 501. On the upper inner wall of the connecting box 507, one connecting gear 509 is fixedly sleeved on the output end of the connecting motor 508, and the other connecting gear 509 is fixedly sleeved on the outer surface of the connecting two-way threaded rod 511. The two connecting gears 509 are meshed with each other, and each sliding plate 513 is threadedly sleeved on the outer surface of the connecting two-way threaded rod 511, and each sliding plate 513 is slidably sleeved between the two connecting rods 512. The top of each clamping box 514 is fixedly connected to the bottom end of the sliding plate 513, and both sides of each clamping plate 518 are fixedly connected between the two rotating bars 519. One side of each rotating bar 519 is slidably embedded between the inner walls of the clamping box 514.

[0045] In this embodiment: by turning on the connecting motor 508, the connecting motor 508 drives one of the connecting gears 509 to rotate, and through the engagement between the two connecting gears 509, the connecting bidirectional threaded rod 511 is rotated, and through the limitation of the connecting rod 512, the sliding plate 513 drives the clamping box 514 and the clamping plate 518 to move, and the position of the clamping plate 518 is adjusted so that the clamping plate 518 releases the fixed cover 6 and the filter screen 7 or clamps the fixed cover 6 and the filter screen 7. The principle and structure of the connecting motor 508 are common knowledge to those skilled in the art and will not be introduced in detail here. Its model can be selected according to actual usage.

[0046] Specifically, each set of rotating parts includes a rotating motor 515, a rotating gear 516 and a transmission gear 517. The rotating motor 515 is fixedly connected to the outer surface of one side of the clamping box 514, the rotating gear 516 is fixedly sleeved on the output end of the rotating motor 515, and the transmission gear 517 is fixedly sleeved on the outer surface of the clamping plate 518. The rotating gear 516 and the transmission gear 517 are engaged with each other.

[0047] In this embodiment, the rotating motor 515 drives the rotating gear 516 to rotate forward and reverse, and the engagement of the rotating gear 516 and the transmission gear 517 causes the clamping plate 518 to drive the fixed cover 6 and the filter screen 7 to rotate. The principle and structure of the rotating motor 515 are common knowledge to those skilled in the art and will not be introduced in detail here. The model can be selected according to actual usage.

[0048] Specifically, one end of the filter screen 7 is fixedly connected to the scraper 8 , and the other end of the filter screen 7 is threadedly connected to the outer surface of one side of the fixed cover 6 , and the fixed cover 6 is arranged between the two clamping plates 518 .

[0049] In this embodiment, the scraper 8 is provided to clean the interior of the movable cylinder 9 , and the filter screen 7 and the fixed cover 6 are threadedly connected to facilitate the disassembly of the filter screen 7 and the fixed cover 6 .

[0050] The following is a detailed description of a method for using a granulator screen changer provided by an embodiment of the present invention. The method includes the following steps: when it is necessary to adjust the size of the filter holes between the filter screen 7 and the movable cylinder 9, the rotary motor 515 is turned on, and the rotary motor 515 drives the rotary gear 516 to rotate. Through the engagement of the rotary gear 516 and the transmission gear 517, the transmission gear 517 drives the clamping plate 518 to rotate, and the clamping plate 518 drives the fixed cover 6 and the filter screen 7 to rotate in the movable cylinder 9. The filter holes on the filter screen 7 and the movable cylinder 9 coincide with each other, and the size of the filter holes can be adjusted. When it is necessary to replace the filter screen 7, the granulator is turned off, and then the electric cylinder 4 and the rotary motor 504 are turned on. The electric cylinder 4 pushes the movable cylinder 9 to move, and the rotary motor 504 is turned on. The rotating threaded rod 505 is driven to rotate, and the connection box 507 can be moved by the limit rod 506. The connection box 507 drives the clamping component and the rotating component to move. At this time, the moving cylinder 9, the filter screen 7 and the fixed cover 6 move synchronously until the connection box 507 drives the clamping component and the rotating component to move to one side of the storage box 501, and then the moving cylinder 9 is driven to restore its original state through the electric cylinder 4. While the moving cylinder 9 moves, the fixed motor 306 is turned on to drive the fixed gear 307 to rotate. The two fixed gears 307 are engaged to make the fixed bidirectional threaded rod 304 rotate, and the fixing rod 305 is limited to make the mounting plate 308 drive the mounting box 309 to move, thereby driving the cleaning plate 313 to clamp the moving cylinder 9, and then the mounting motor 310 is turned on. The mounting motor 310 drives the mounting gear 311 to rotate forward and reverse, and the mounting gear 311 is engaged with the transmission ring gear 312, so that the transmission ring gear 312 drives the cleaning plate 313 to rotate to clean the surface of the movable cylinder 9. While the movable cylinder 9 moves, the rotating motor 515 drives the rotating gear 516 to rotate forward and reverse, and the rotating gear 516 is engaged with the transmission gear 517, so that the clamping plate 518 drives the fixed cover 6 and the filter screen 7 to rotate. When the electric cylinder 4 drives the movable cylinder 9 to move, the fixed cover 6 and the filter screen 7 drive the scraper 8 to clean the debris on the inner wall of the movable cylinder 9. When the fixed cover 6 and the filter screen 7 drive the scraper 8 to move out of the movable cylinder 9, the connecting motor 508 is turned on, and the connecting motor 508 drives one of the connecting gears 509 to rotate. , through the engagement between the two connecting gears 509, the connecting bidirectional threaded rod 511 rotates, and through the limit of the connecting rod 512, the sliding plate 513 drives the clamping box 514 and the clamping plate 518 to move, so that the clamping plate 518 releases the fixed cover 6 and the filter screen 7, and the fixed cover 6 and the filter screen 7 fall onto the transmission plate 502 and the support block 503. The fixed cover 6 and the filter screen 7 roll to the side of the storage box 501, and the door can be opened to take out the fixed cover 6 and the filter screen 7, and then the new fixed cover 6 and the filter screen 7 are placed between the two clamping plates 518. The positions of the two clamping plates 518, the fixed cover 6 and the filter screen 7 are adjusted by the displacement component, and the two clamping plates 518, the fixed cover 6 and the filter screen 7 are fixed to the movable cylinder 9 to complete the replacement of the filter screen 7.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A granulator screen changer, characterized in that: include: Support base (1); A screen changer body (2), the bottom of the screen changer body (2) being fixedly connected to the top of the support base (1); An electric cylinder (4), wherein two electric cylinders (4) are provided, and each electric cylinder (4) is fixedly connected to an outer surface of one side of the support base (1); A moving cylinder (9), wherein two moving cylinders (9) are provided, one end of each moving cylinder (9) is fixedly connected to the extended end of the electric cylinder (4), and each moving cylinder (9) is slidably embedded between the inner walls of the screen changer body (2); A cleaning mechanism (3), the cleaning mechanism (3) being arranged on the supporting base (1) and the screen changer body (2); A moving mechanism (5), the moving mechanism (5) being arranged on the supporting base (1); and A filter screen (7), one end of which is slidably embedded between the inner walls of the moving cylinder (9).

2. A granulator screen changer according to claim 1, characterized in that: Each group of the cleaning mechanisms (3) comprises a fixed box (301), an adjusting component, two groups of cleaning components and two groups of moving components, the bottom of the fixed box (301) is fixedly connected to the top of the support base (1), and one side outer surface of the fixed box (301) is fixedly connected to one side outer surface of the screen changer body (2), the adjusting component is arranged on the fixed box (301), each group of the cleaning components is arranged on the adjusting component, and each group of the moving components is arranged on the cleaning component.

3. A granulator screen changer according to claim 2, characterized in that: The adjusting component comprises a supporting box (302), a fixed bidirectional threaded rod (304), two fixed plates (303), a fixed motor (306), two fixed gears (307) and four fixed rods (305), the top of the supporting box (302) is fixedly connected to the upper inner wall of the fixed box (301), both ends of each of the fixed plates (303) are fixedly connected to the fixed box (301), the two ends of the fixed bidirectional threaded rod (304) are rotatably connected between the inner walls of the two sides of the supporting box (302), and the fixed bidirectional threaded rod ( One end of the fixed rod (304) rotates and passes through the two fixed plates (303), both ends of each fixed rod (305) are fixedly connected between the fixed plate (303) and the support box (302), the fixed motor (306) is fixedly connected to the upper inner wall of the support box (302), one of the fixed gears (307) is fixedly sleeved on the output end of the fixed motor (306), and the other fixed gear (307) is fixedly sleeved on the outer surface of the fixed bidirectional threaded rod (304), and the two fixed gears (307) are meshed with each other.

4. A granulator screen changer according to claim 3, characterized in that: Each group of cleaning components comprises a mounting plate (308), a mounting box (309), two limiting bars (314) and a cleaning plate (313); each mounting plate (308) is threadedly sleeved on the outer surface of a fixed bidirectional threaded rod (304); and each mounting plate (308) is slidably sleeved between the two fixed rods (305); the top of each mounting box (309) is fixedly connected to the bottom end of the mounting plate (308); both sides of each cleaning plate (313) are fixedly connected between the two limiting bars (314); and one side of each limiting bar (314) is slidably embedded between the inner walls of the mounting box (309).

5. The screen changer for a granulator according to claim 1, characterized in that: Each group of moving parts includes a mounting motor (310), a mounting gear (311) and a transmission ring gear (312); the mounting motor (310) is fixedly connected to an outer surface of one side of the mounting box (309); the mounting gear (311) is fixedly sleeved on an output end of the mounting motor (310); the transmission ring gear (312) is fixedly sleeved on an outer surface of the cleaning plate (313); and the mounting gear (311) and the transmission ring gear (312) are meshed with each other.

6. A granulator screen changer according to claim 5, characterized in that: The moving mechanism (5) comprises a storage box (501), two transmission plates (502) and four support blocks (503), two groups of displacement components, two groups of clamping components and four groups of rotating components. The bottom of the storage box (501) is fixedly connected to the top of the support base (1), and the outer surface of one side of the storage box (501) is fixedly connected to the outer surface of one side of the screen changer body (2). Both ends of each transmission plate (502) are fixedly connected between the inner walls of the storage box (501). The bottom of each support block (503) is fixedly connected to the top of the transmission plate (502). Each group of displacement components is arranged in the storage box (501), each group of clamping components is arranged on the displacement component, and each group of rotating components is arranged on the clamping component.

7. A granulator screen changer according to claim 6, characterized in that: Each set of displacement components comprises a rotating motor (504), a rotating threaded rod (505), two limiting rods (506) and a connecting box (507); the two ends of the rotating threaded rod (505) are rotatably connected between the inner walls of the storage box (501); the two ends of each limiting rod (506) are fixedly connected between the inner walls of the storage box (501); the connecting box (507) is threadedly sleeved on the outer surface of the rotating threaded rod (505), and the connecting box (507) is slidably sleeved between the two limiting rods (506); the rotating motor (504) is fixedly connected to the outer surface of one side of the storage box (501), and the output end of the rotating motor (504) is fixedly connected to one end of the rotating threaded rod (505).

8. A granulator screen changer according to claim 7, characterized in that: Each group of the clamping components includes a connecting motor (508), two connecting gears (509), two connecting plates (510), a connecting bidirectional threaded rod (511), four connecting rods (512), four sliding plates (513), four clamping boxes (514), eight rotating bars (519) and four clamping plates (518), both ends of each connecting plate (510) are fixedly connected to the storage box (501), both ends of the connecting bidirectional threaded rod (511) are rotatably connected between the inner walls of the connecting box (507), and one end of the connecting bidirectional threaded rod (511) is rotatably passed through the two connecting plates (510), both ends of each connecting rod (512) are fixedly connected between the connecting plate (510) and the connecting box (507), and the connecting motor (508) is fixedly connected to the connecting plate (510). The upper inner wall of the connecting box (507), one of the connecting gears (509) is fixedly sleeved on the output end of the connecting motor (508), and the other connecting gear (509) is fixedly sleeved on the outer surface of the connecting bidirectional threaded rod (511), and the two connecting gears (509) are meshed with each other, each of the sliding plates (513) is threadedly sleeved on the outer surface of the connecting bidirectional threaded rod (511), and each sliding plate (513) is slidably sleeved between the two connecting rods (512), the top of each clamping box (514) is fixedly connected to the bottom end of the sliding plate (513), both sides of each clamping plate (518) are fixedly connected between the two rotating bars (519), and one side of each rotating bar (519) is slidably embedded between the inner walls of the clamping box (514).

9. A granulator screen changer according to claim 8, characterized in that: Each set of rotating components includes a rotating motor (515), a rotating gear (516) and a transmission gear (517). The rotating motor (515) is fixedly connected to the outer surface of one side of the clamping box (514). The rotating gear (516) is fixedly sleeved on the output end of the rotating motor (515). The transmission gear (517) is fixedly sleeved on the outer surface of the clamping plate (518). The rotating gear (516) and the transmission gear (517) are meshed with each other.

10. A granulator screen changer according to claim 9, characterized in that: One end of the filter screen (7) is fixedly connected to a scraper (8), and the other end of the filter screen (7) is threadedly connected to the outer surface of one side of the fixed cover (6), and the fixed cover (6) is arranged between two clamping plates (518).