An underwater pellet cutter receiving device

Abstract

The application relates to an underwater pellet cutting machine material collecting device and belongs to the technical field of pellet cutting machine material collecting devices, which comprises a first filter shell, a feeding pipe is communicated with the top of the first filter shell, a mounting shell is communicated with the first filter shell, a large-particle filter screen is slidably connected in the first filter shell, the large-particle filter screen is horizontally placed, a vibration assembly is connected to one side of the first filter shell, the vibration assembly is connected with the large-particle filter screen, a control assembly is mounted in the mounting shell, the control assembly is connected with a material shovel, a first discharging pipe is communicated with the first filter shell, a second discharging pipe is communicated with one side of the first filter shell, and the second discharging pipe is located at one side of the large-particle filter screen; the first discharging pipe is communicated with a drying and filtering assembly, the drying and filtering assembly is further connected with a scum filtering assembly, and the scum filtering assembly is connected with a cooling assembly. The application has the effect of effectively realizing the filtration of large-diameter particles and reducing the mixing and discharging of small-diameter particles and large-diameter particles.

Description

Technical Field

[0001] The present application relates to the technical field of pelletizer material collection, and in particular to an underwater pelletizer material collection device. Background Art

[0002] The underwater pelletizer's receiving device is a critical component for collecting and processing plastic pellets during the underwater pelletizing process. During the plastic extrusion process, molten plastic is extruded through a die, immediately cooled by a stream of cooling water, and cut into pellets. During the pelletizing process, factors such as wear and tear of the cutter blades, insufficient blade sharpness, die hole blockage, insufficient cooling, mismatched cutting speeds, and improper process parameter settings can lead to inconsistent pellet sizes. Some pellets become larger and fail to meet factory specifications. Therefore, filtering these large particles is often necessary during the receiving process. Existing filtering methods use an inclined filter screen designed to filter large particles. The water flow carries the pellets through the filter screen, where small particles pass through and are dried, while large particles roll down the filter screen and are discharged.

[0003] However, this design presents several issues. First, particles carried by the water flow rapidly roll down the filter due to gravity, preventing large and small particles from separating. Furthermore, if the water flow is too fast, the impact of the current may prevent small particles from passing through the filter. Instead, they may be carried into the path of larger particles and eventually discharged along with them. Furthermore, if the filter surface is clogged, clogged, or roughened by impurities, particles may not pass through smoothly. Impurities or adhesions can block small particles from passing through the mesh, causing them to be blocked and discharged along with larger particles. Summary of the Invention

[0004] In order to effectively filter large-sized particles and reduce the mixed discharge of small-sized particles and large-sized particles, the present application provides an underwater pelletizer collecting device.

[0005] The present application provides an underwater pelletizer receiving device that adopts the following technical solution:

[0006] A material collecting device for an underwater pelletizer comprises a first filter housing, wherein the top of the first filter housing is connected to a feed pipe, the first filter housing is connected to a mounting housing, a large particle filter screen is slidably connected in the first filter housing, the large particle filter screen is horizontally placed, a vibration component is connected to one side of the first filter housing, the vibration component is connected to the large particle filter screen, a control component is installed in the mounting housing, the control component is connected to a shovel, the first filter housing is connected to a first discharge pipe for discharging small particle size particles and water, a side of the first filter housing is connected to a second discharge pipe, the second discharge pipe is located on one side of the large particle filter screen, and the control component is used to control the shovel to extend into the first filter housing and shovel large particle size particles to the second discharge pipe;

[0007] The first discharge pipe is connected to a drying and filtering component, the drying and filtering component is further connected to a scum filtering component, and the scum filtering component is connected to a cooling component.

[0008] By adopting the above technical solution, after the cutting system cuts the extruded material into particles in water, the particles and water flow are discharged into the feed pipe and then into the first filter housing. The vibration component drives the large particle filter to vibrate to ensure that large particles do not gather and block the filter holes, thereby keeping small particles and water able to pass through the large particle filter smoothly. After a period of use, the control component drives the shovel to shovel the particles on the large particle filter to the second discharge pipe for discharge, and the small particles and water are discharged to the drying filter component for separation of small particles and water. After drying, the small particles can be shipped out. The water is then discharged to the scum filter component for filtration, and then flows to the cooling component for cooling, and finally flows back to the cutting system for use, thereby effectively filtering large particles and reducing the mixed discharge of small and large particles.

[0009] Optionally, the number of the first filter shells is two, and the tops of the two first filter shells are commonly connected to a diversion pipe, the diversion pipe is connected to the feed pipe, the first discharge pipe is connected to the two first filter shells at the same time, and the two first filter shells are respectively connected to a second discharge pipe, and both discharge ends of the diversion pipe are installed with solenoid valves.

[0010] By adopting the above technical solution, when one first filter housing is filtering, the solenoid valve corresponding to the other first filter housing is activated, so that particles and water can only flow through the one first filter housing for filtering. When the control component of the first filter housing drives the shovel to work, the solenoid valve corresponding to the first filter housing is activated to avoid accidentally shoveling small particles. At the same time, the solenoid valve corresponding to the other first filter housing is closed, so that water and particles flow through the other first filter housing for filtering, ensuring that the filtering and cleaning work of large particles can continue to operate, avoiding the need to shut down.

[0011] Optionally, the control component includes a slide rail, a movable frame is slidably arranged on the slide rail, the movable frame is driven by a servo drive unit, a first motor is installed on the movable frame, the first motor is connected to a first connecting rod, the first connecting rod is hinged to a curved rod, the curved rod is hinged to a second connecting rod at one end away from the first connecting rod, the second connecting rod is hinged to the movable frame, and the curved rod is connected to the shovel.

[0012] By adopting the above technical solution, when it is necessary to remove large particles on the large particle filter screen, the servo drive unit drives the movable frame to move, so that the material shovel extends into the first filter shell, and then the first motor is started, and the first motor drives the first connecting rod to rotate. Under the cooperation of the second connecting rod, the curved rod drives the material shovel to move back and forth first backward and then forward to shovel, so that the material shovel shovels the large particles and throws them to the second discharge pipe.

[0013] Optionally, both sides of the large particle filter extend out of the first filter housing, and the vibration assembly includes a fixed plate, and the two first filter housings are commonly connected to the fixed plate, and both sides of the fixed plate are slidably connected with a connecting column, and the connecting column is connected to the large particle filter on the same side, and all the connecting columns are commonly connected to the vibration plate, and a spring is sleeved on the connecting column, one end of the spring is fixed to the fixed plate, and the other end of the spring is fixed to the vibration plate, and two rotating shafts are rotatably connected to the vibration plate, and the two rotating shafts are respectively located on one side of the vibration plate, and one end of the two rotating shafts is connected to a semi-circular disk, when the end face extension surface of the semi-circular disk on one rotating shaft is perpendicular to the first filter housing, the end face extension surface of the other semi-circular disk is parallel to the first filter housing, and the two rotating shafts are connected to the second motor.

[0014] By adopting the above technical solution, the second motor electrically rotates the rotating shaft, causing the rotating shaft to drive the rotation of the semi-disc. The semi-disc is equivalent to an eccentric wheel, causing the vibration plate to move back and forth. The vibration plate drives the connecting column to move, thereby causing the connecting column to drive the large particle filter to move back and forth. The spring cooperates to reduce the reciprocating travel of the vibration plate, thereby achieving the effect of driving the large particle filter to vibrate, and can simultaneously drive the large particle filters of the two first filter housings to vibrate.

[0015] Optionally, the drying filter assembly includes a second filter housing, a first casing is installed at the bottom of the second filter housing, the first casing is connected to the second casing, the second casing is connected to the third casing, the third casing is arranged on the top of the second filter housing, the second casing is provided with a plurality of water holes, the first discharge pipe is connected to the first casing, the bottom of the second filter housing is connected to a drain pipe, and the drain pipe is connected to the scum filter assembly;

[0016] A rotating plate is rotatably connected inside the second filter housing, the rotating plate is connected to a third motor, the third motor is fixed to the second filter housing, the rotating plate is connected to a plurality of straight plates, the straight plates are equidistantly arranged with a plurality of material guide plates, one material guide plate is connected to the material guide plate of an adjacent straight plate, and a plurality of material guide plates are combined into a spiral shape, the second filter housing is connected to a discharge pipe, and the discharge pipe is connected to the third protective tube.

[0017] By adopting the above technical solution, water and small particles are discharged from the first discharge pipe into the first casing, and then the water overflows from the water hole of the second casing and is discharged from the second filter shell through the drain pipe. The third motor drives the rotating plate to rotate, and the rotating plate drives the straight plate to rotate. During the rotation process, the several guide plates transport the small particle materials to the third casing like a screw, and under the action of centrifugal force, the moisture of the small particles can be thrown out from the water hole. Finally, the small particles can be discharged from the discharge pipe after drying.

[0018] Optionally, the second filter housing is equipped with a fan, which can send gas into the second filter housing. An exhaust pipe is provided on the top of the second filter housing, and an air vent connected to the exhaust pipe is opened on the top of the second filter body.

[0019] By adopting the above technical solution, when the guide plate is conveying small particles, the fan transports air into the second filter housing to assist in drying the small particles. After drying, the gas is discharged from the exhaust duct.

[0020] Optionally, the scum filtering assembly includes a water tank, the water tank is provided with a water inlet, the water inlet is connected to the drain pipe, a plurality of scum filtering nets are installed in the water tank, the scum filtering nets are located below the water inlet, the water tank is installed with a first water pump, and the first water pump is connected to the cooling assembly.

[0021] By adopting the above technical solution, water is discharged from the drain pipe into the water storage tank, and then filtered again through the scum filter. The first water pump then transports the water to the cooling component for cooling so as to be reused.

[0022] Optionally, the cooling component includes a precision filter and a plate heat exchanger, the first water pump is connected to the precision filter, the precision filter is connected to the plate heat exchanger, a partition is installed in the water tank, the partition separates the water tank into a first water storage area and a second water storage area, the plate heat exchanger is connected to the second water storage area, and the first water pump is used to extract water from the first water storage area.

[0023] By adopting the above technical solution, the first water pump draws water to the precision filter for re-filtration, the water flows to the plate heat exchanger for cooling, and finally the water flows to the second water storage area for collection for reuse.

[0024] Optionally, the water tank is an L-shaped box, both top surfaces of the water tank are open, support bars are installed in the water tank, the scum filter is supported on the support bars, the partition is located below the support bars, and the water tank is connected to a second water pump, which is used to pump water from the second water storage area.

[0025] By adopting the above technical solution, the scum filter can be regularly pulled to the second water storage area of ​​the water tank, and the scum filter can be taken out from the opening of the water tank, which is convenient for regular replacement and cleaning of the scum filter. The second water pump can pump water in the second water storage area to the cutting system for reuse.

[0026] Optionally, a cover plate is installed on the top surface of the water storage tank, the cover plate is located above the first water storage area, a large particle aggregate box is placed on the cover plate, and the second discharge pipe extends to the large particle aggregate box.

[0027] By adopting the above technical solution, large-particle materials can be collected in the large-particle aggregate box, and the large-particle aggregate box is located on the water tank. The first filter shell can also be arranged above the water tank, saving floor space.

[0028] In summary, this application includes at least one of the following beneficial technical effects:

[0029] 1. When the cutting system cuts the extrudate into particles in water, the particles and water are discharged into the feed pipe and then into the first filter housing. The vibration component drives the large particle filter to vibrate to ensure that large particles do not gather and block the filter holes, thereby allowing small particles and water to pass through the large particle filter smoothly. After a period of use, the control component drives the shovel to shovel the particles on the large particle filter to the second discharge pipe for discharge. The small particles and water are discharged to the drying filter component for separation of small particles and water. After drying, the small particles can be shipped out. The water is then discharged to the scum filter component for filtration, and then flows to the cooling component for cooling, and finally returns to the cutting system for use, achieving effective filtration of large-size particles while reducing the discharge of small and large particles mixed together.

[0030] 2. When one first filter housing is filtering, the solenoid valve corresponding to the other first filter housing is activated, so that particles and water can only flow through the first filter housing for filtering. When the control component of one first filter housing drives the shovel to work, the solenoid valve corresponding to the first filter housing is activated to avoid accidentally shoveling small particles. At the same time, the solenoid valve corresponding to the other first filter housing is closed, so that water and particles flow through the other first filter housing for filtering, ensuring that the filtering and cleaning of large particles can continue to operate and avoiding the need to shut down. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0032] Figure 2 It is a schematic structural diagram of a cooling assembly according to an embodiment of the present application.

[0033] Figure 3 It is a structural diagram of the control component used in an embodiment of the present application.

[0034] Figure 4 yes Figure 1 Enlarged schematic diagram of part A.

[0035] Figure 5 It is a structural diagram of the drying and filtering assembly used in an embodiment of the present application.

[0036] Explanation of the reference numerals: 1. first filter housing; 11. shunt pipe; 12. solenoid valve; 13. mounting housing; 14. large particle filter; 15. first discharge pipe; 16. second discharge pipe; 17. feed pipe; 2. vibration assembly; 21. fixing plate; 22. connecting column; 23. vibration plate; 24. spring; 25. rotating shaft; 26. semicircular disc; 27. second motor; 3. control assembly; 31. shovel; 32. slide rail; 33. servo drive unit; 34. first motor; 35. first connecting rod; 36. second connecting rod; 37. curved rod; 38. movable frame; 4. drying filter assembly; 41. second filter housing; 42. first First casing; 43. Second casing; 431. Water hole; 44. Third casing; 45. Drain pipe; 46. Rotating plate; 47. Third motor; 48. Straight plate; 481. Material guide plate; 49. Discharge pipe; 410. Fan; 411. Exhaust duct; 412. Air vent; 5. Scum filter assembly; 51. Water storage tank; 510. Water inlet; 511. First water storage area; 512. Second water storage area; 52. First water pump; 53. Cover plate; 54. Large particle collection box; 55. Second water pump; 56. Scum filter; 57. Partition; 58. Support bar; 6. Cooling assembly; 61. Precision filter; 62. Plate heat exchanger. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-5 This application is described in further detail.

[0038] The embodiment of the present application discloses a material collecting device for an underwater pelletizer.

[0039] like Figure 1 、 Figure 2 and Figure 3 The underwater pelletizer receiving device includes two first filter housings 1. The tops of the two first filter housings 1 are connected to a diverter pipe 11, which is connected to a feed pipe 17. Solenoid valves 12 are installed at both discharge ends of the diverter pipe 11. The first filter housing 1 is connected to a mounting housing 13. A large particle filter screen 14 is slidably connected to the first filter housing 1. The large particle filter screen 14 is placed horizontally. The two first filter housings 1 are installed with a vibration assembly 2, which is located between the two first filter housings 1. The vibration assembly 2 is connected to the large particle filter screen 14.

[0040] A control assembly 3 is installed in the mounting housing 13. The control assembly 3 is connected to a shovel 31. The two first filter housings 1 are connected to a first discharge pipe 15 for discharging small-sized particles and water. The first discharge pipe 15 is located at the bottom of the first filter housing 1. A second discharge pipe 16 is connected to the side of the first filter housing 1 facing away from the mounting housing 13. The control assembly 3 is used to control the shovel 31 to extend into the first filter housing 1 and shovel large-sized particles into the second discharge pipe 16.

[0041] The first discharge pipe 15 is connected to the drying filter assembly 4, which is also connected to the scum filter assembly 5, which is connected to the cooling assembly 6. The drying filter assembly 4 is located on one side of the first filter housing 1, and the scum filter assembly 5 is located below the first filter housing 1.

[0042] After the cutting system cuts the extrudate into particles in water, the particles and water flow are discharged into the feed pipe 17 together and then into the first filter housing 1. The vibration component 2 drives the large particle filter 14 to vibrate to ensure that large particles do not gather and block the filter holes, thereby keeping small particles and water able to pass through the large particle filter 14 smoothly. After a period of use, the control component 3 drives the shovel 31 to shovel the particles on the large particle filter 14 to the second discharge pipe 16 for discharge, and the small particles and water are discharged to the drying filter component 4 for separation of small particles and water. After drying, the small particles can be shipped out of the factory. The water is then discharged to the scum filter component 5 for filtration, and then flows to the cooling component 6 for cooling, and finally flows back to the cutting system for use, thereby effectively filtering large particles and reducing the discharge of small and large particles.

[0043] Moreover, when one first filter housing 1 is filtering, the solenoid valve 12 corresponding to the other first filter housing 1 is activated, so that particles and water can only flow through one first filter housing 1 for filtering. When the control component 3 of one first filter housing 1 drives the shovel 31 to work, the solenoid valve 12 corresponding to the first filter housing 1 is activated to avoid accidentally shoveling small particles together. At the same time, the solenoid valve 12 corresponding to the other first filter housing 1 is closed, so that water and particles flow through the other first filter housing 1 for filtering, ensuring that the filtering and cleaning work of large particles can continue to operate, avoiding the need to shut down.

[0044] like Figure 3 The control assembly 3 includes a slide rail 32, on which a movable frame 38 is slidably mounted. The movable frame 38 is driven by a servo drive unit 33. The servo drive unit 33 includes a drive motor and a lead screw. The drive motor is mounted on the mounting housing 13. The lead screw is rotatably mounted on the upper rail, and the movable frame 38 is threadedly connected to the lead screw. A first motor 34 is mounted on the movable frame 38. The first motor 34 is connected to a first connecting rod 35. The first connecting rod 35 is hinged to a curved rod 37. The end of the curved rod 37 away from the first connecting rod 35 is hinged to a second connecting rod 36. The second connecting rod 36 is hinged to the movable frame 38. The curved rod 37 is connected to the shovel 31. The two sides of the shovel 31 are arranged to fit the inner wall of the first filter housing 1.

[0045] When it is necessary to remove large particles on the large particle filter 14, the servo drive unit 33 drives the movable frame 38 to move, so that the shovel 31 extends into the first filter housing 1, and then the first motor 34 is started. The first motor 34 drives the first connecting rod 35 to rotate, and under the cooperation of the second connecting rod 36, the curved rod 37 drives the shovel 31 to move back and forth first backward and then forward to shovel, so that the shovel 31 shovels the large particles and throws them to the second discharge pipe 16.

[0046] like Figure 4 and Figure 5 , both sides of the large particle filter 14 extend out of the first filter housing 1, the vibration assembly 2 includes a fixed plate 21, the two first filter housings 1 are commonly connected to the fixed plate 21, and both sides of the fixed plate 21 are slidably connected with a connecting column 22, the connecting column 22 is connected to the large particle filter 14 on the same side thereof, all the connecting columns 22 are commonly connected to the vibration plate 23, a spring 24 is sleeved on the connecting column 22, one end of the spring 24 is fixed to the fixed plate 21, and the other end of the spring 24 is fixed to the vibration plate 23, and two rotating shafts 25 are rotatably connected to the vibration plate 23, and the two rotating shafts 25 are respectively located on one side of the vibration plate 23, and one end of the two rotating shafts 25 are connected to a semi-circular disc 26. When the end face extension surface of the semi-circular disc 26 on one rotating shaft 25 is perpendicular to the first filter housing 1, the end face extension surface of the other semi-circular disc 26 is parallel to the first filter housing 1, and the two rotating shafts 25 are connected to the second motor 27.

[0047] The second motor 27 electrically rotates the rotating shaft 25, causing the rotating shaft 25 to drive the rotation of the semi-circular disk 26. The semi-circular disk 26 is equivalent to an eccentric wheel, causing the vibration plate 23 to move back and forth. The vibration plate 23 drives the connecting column 22 to move, thereby causing the connecting column 22 to drive the large particle filter 14 to move back and forth. The spring 24 cooperates to reduce the reciprocating movement stroke of the vibration plate 23, thereby achieving the effect of driving the large particle filter 14 to vibrate, and can simultaneously drive the large particle filter 14 of the two first filter housings 1 to vibrate.

[0048] like Figure 1 and Figure 5 The drying and filtering assembly 4 includes a second filter housing 41. A first protective tube 42 is installed at the bottom of the second filter housing 41. The first protective tube 42 is connected to the second protective tube 43. The second protective tube 43 is connected to the third protective tube 44. The third protective tube 44 is arranged on the top of the second filter housing 41. The second protective tube 43 is provided with a plurality of water holes 431. The first discharge pipe 15 is connected to the first protective tube 42. The bottom of the second filter housing 41 is connected to a drain pipe 45, and the drain pipe 45 is connected to the scum filtering assembly 5.

[0049] The bottom of the second filter housing 41 is rotatably connected to a rotating plate 46, and the rotating plate 46 is connected to a third motor 47. The third motor 47 is fixed to the second filter housing 41. The rotating plate 46 is connected to a plurality of straight plates 48. The plurality of straight plates 48 are located in the first protective tube 42, the second protective tube 43 and the third protective tube 44. The straight plate 48 has a plurality of guide plates 481 arranged equidistantly along its length. One guide plate 481 is connected to the guide plate 481 of the adjacent straight plate 48, and the plurality of guide plates 481 are combined into a spiral shape. The second filter housing 41 is connected to a discharge pipe 49, and the discharge pipe 49 is connected to the third protective tube 44.

[0050] The second filter housing 41 is equipped with a fan 410 that can deliver gas into the second filter housing 41 . An exhaust pipe 411 is provided on the top of the second filter housing 41 . An air vent 412 communicating with the exhaust pipe 411 is opened on the top of the second filter housing 41 .

[0051] Water and small particles are discharged from the first discharge pipe 15 into the first protective tube 42, and then the water overflows from the water hole 431 of the second protective tube 43 and is discharged from the second filter housing 41 through the drain pipe 45, and the third motor 47 drives the rotating plate 46 to rotate, and the rotating plate 46 drives the straight plate 48 to rotate. During the rotation process, the several guide plates 481 transport the small particle materials to the third protective tube 44 like a screw, and under the action of centrifugal force, the moisture of the small particles can be thrown out from the water hole 431. Finally, the small particles can be discharged from the discharge pipe 49 after drying.

[0052] When the guide plate 481 is conveying small particles, the fan 410 transports air into the second filter housing 41 to assist in drying the small particles. After drying, the gas is discharged from the exhaust pipe 411.

[0053] like Figure 2 and Figure 5 The scum filtering assembly 5 includes a water tank 51, which is provided with a water inlet 510. The water inlet 510 is connected to the drain pipe 45. The water tank 51 is an L-shaped box. Both top surfaces of the water tank 51 are open. A plurality of support bars 58 are installed in the water tank 51. The support bars 58 are arranged in two layers. A scum filter screen 56 is supported on each layer of support bars 58. The scum filter screen 56 is located below the water inlet 510.

[0054] A partition 57 is installed in the water tank 51, dividing it into a first water storage area 511 and a second water storage area 512. A scum filter 56 is located in the first water storage area 511. A first water pump 52 is installed in the water tank 51, communicating with the first water storage area 511. A cover plate 53 is installed on the top surface of the water tank 51, positioned above the first water storage area 511. A large particle collection box 54 is placed on the cover plate 53, and a second discharge pipe 16 extends to the large particle collection box 54. The water tank 51 is also equipped with a second water pump 55, which is used to pump water from the second water storage area 512.

[0055] The first water pump 52 is connected to the cooling assembly 6 , and the cooling assembly 6 includes a precision filter 61 and a plate heat exchanger 62 . The first water pump 52 is connected to the precision filter 61 , and the precision filter 61 is connected to the plate heat exchanger 62 . The plate heat exchanger 62 is connected to the second water storage area 512 .

[0056] The water is discharged from the drain pipe 45 into the water storage tank 51, and then filtered again by the scum filter 56. The first water pump 52 then pumps the water to the precision filter 61 for further filtration. The water then flows to the plate heat exchanger 62 for cooling. Finally, the water flows to the second water storage area 512. The second water pump 55 can pump the water in the second water storage area 512 to the cutting system for reuse.

[0057] Furthermore, the scum filter 56 can be regularly pulled to the second water storage area 512 of the water storage tank 51 and taken out from the opening of the water storage tank 51 to facilitate regular replacement and cleaning of the scum filter 56. The second water pump 55 can pump water in the second water storage area 512 to the cutting system for reuse.

[0058] At the same time, large particles of material can be collected in the large particle collection box 54, and the large particle collection box 54 is located on the water tank 51. The first filter housing 1 can also be arranged above the water tank 51, saving floor space.

[0059] The implementation principle of the embodiment of the present application is as follows: after the cutting system cuts the extruded material into particles in water, the particles and water flow are discharged to the feed pipe 17 together and then discharged into the first filter housing 1. The vibration component 2 drives the large particle filter 14 to vibrate to ensure that large particles do not gather and block the filter holes, thereby keeping small particles and water able to pass through the large particle filter 14 smoothly. After a period of use, the control component 3 drives the shovel 31 to shovel the particles on the large particle filter 14 to the second discharge pipe 16 for discharge, and the small particles and water are discharged to the drying filter component 4 for separation of small particles and water. After the small particles are dried, they can be shipped out. The water is then discharged to the scum filter component 5 for filtration, and then flows to the cooling component 6 for cooling, and finally flows back to the cutting system for use, thereby effectively filtering large particles and reducing the discharge of small particles and large particles.

[0060] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A material collecting device for an underwater pelletizer, characterized in that: The invention comprises a first filter housing (1), wherein the top of the first filter housing (1) is connected to a feed pipe (17), the first filter housing (1) is connected to a mounting housing (13), a large particle filter screen (14) is slidably connected in the first filter housing (1), and the large particle filter screen (14) is placed horizontally, a vibration component (2) is connected to one side of the first filter housing (1), and the vibration component (2) is connected to the large particle filter screen (14), a control component (3) is installed in the mounting housing (13), and the control component (3) is connected to a shovel (31), the first filter housing (1) is connected to a first discharge pipe (15) for discharging small particle size particles and water, a second discharge pipe (16) is connected to one side of the first filter housing (1), and the second discharge pipe (16) is located on one side of the large particle filter screen (14), and the control component (3) is used to control the shovel (31) to extend into the first filter housing (1) and shovel large particle size particles to the second discharge pipe (16); The first discharge pipe (15) is connected to the drying and filtering component (4), and the drying and filtering component (4) is also connected to the scum filtering component (5); There are two first filter housings (1), the tops of the two first filter housings (1) are commonly connected to a diverter pipe (11), the diverter pipe (11) is connected to the feed pipe (17), the first discharge pipe (15) is simultaneously connected to the two first filter housings (1), the two first filter housings (1) are respectively connected to a second discharge pipe (16), and both discharge ends of the diverter pipe (11) are installed with a solenoid valve (12); The control assembly (3) includes a slide rail (32), a movable frame (38) is slidably provided on the slide rail (32), the movable frame (38) is driven by a servo drive unit (33), a first motor (34) is installed on the movable frame (38), the first motor (34) is connected to a first connecting rod (35), the first connecting rod (35) is hinged to a curved rod (37), the curved rod (37) is hinged to an end away from the first connecting rod (35) with a second connecting rod (36), the second connecting rod (36) is hinged to the movable frame (38), and the curved rod (37) is connected to the shovel (31); Both sides of the large particle filter (14) extend out of the first filter housing (1); the vibration assembly (2) includes a fixed plate (21); the two first filter housings (1) are connected to the fixed plate (21); both sides of the fixed plate (21) are slidably connected with connecting columns (22); the connecting columns (22) are connected to the large particle filter (14) on the same side; all the connecting columns (22) are connected to a vibration plate (23); a spring (24) is sleeved on the connecting column (22); one end of the spring (24) is fixed to the fixed plate (21); the spring (24) is provided on the fixing plate (21); and the spring (24) is provided on the fixing plate (21). The other end of the spring (24) is fixed to the vibration plate (23). Two rotating shafts (25) are rotatably connected to the vibration plate (23). The two rotating shafts (25) are respectively located on one side of the vibration plate (23). One end of each of the two rotating shafts (25) is connected to a semi-circular disk (26). When the end face extension surface of the semi-circular disk (26) on one of the rotating shafts (25) is perpendicular to the first filter housing (1), the end face extension surface of the other semi-circular disk (26) is parallel to the first filter housing (1). Both of the rotating shafts (25) are connected to a second motor (27).

2. The underwater pelletizer receiving device according to claim 1, characterized in that: The drying filter assembly (4) includes a second filter housing (41), a first protective tube (42) is installed at the bottom of the second filter housing (41), the first protective tube (42) is connected to the second protective tube (43), the second protective tube (43) is connected to the third protective tube (44), the third protective tube (44) is arranged on the top of the second filter housing (41), the second protective tube (43) is provided with a plurality of water holes (431), the first discharge pipe (15) is connected to the first protective tube (42), the bottom of the second filter housing (41) is connected to a drain pipe (45), and the drain pipe (45) is connected to the scum filter assembly (5); A rotating plate (46) is rotatably connected in the second filter housing (41), and the rotating plate (46) is connected to a third motor (47). The third motor (47) is fixed to the second filter housing (41). The rotating plate (46) is connected to a plurality of straight plates (48), and the straight plates (48) are equidistantly arranged with a plurality of guide plates (481). One guide plate (481) is connected to the guide plate (481) of the adjacent straight plate (48), and the plurality of guide plates (481) are combined into a spiral shape. The second filter housing (41) is connected to a discharge pipe (49), and the discharge pipe (49) is connected to the third protective tube (44).

3. The underwater pelletizer receiving device according to claim 2, characterized in that: The second filter housing (41) is equipped with a fan (410), and the fan (410) can send gas into the second filter housing (41). The top of the second filter housing (41) is provided with an exhaust pipe (411), and the top of the second filter housing (41) is provided with an air vent (412) connected to the exhaust pipe (411).

4. The underwater pelletizer receiving device according to claim 2, characterized in that: The scum filtering assembly (5) comprises a water storage tank (51), the water storage tank (51) is provided with a water inlet (510), the water inlet (510) is communicated with the drain pipe (45), a plurality of scum filtering screens (56) are installed in the water storage tank (51), the scum filtering screens (56) are located below the water inlet (510), and the water storage tank (51) is provided with a first water pump (52).

5. The underwater pelletizer receiving device according to claim 4, characterized in that: The cooling assembly (6) includes a precision filter (61) and a plate heat exchanger (62), the first water pump (52) is connected to the precision filter (61), the precision filter (61) is connected to the plate heat exchanger (62), a partition (57) is installed in the water storage tank (51), the partition (57) separates the water storage tank (51) into a first water storage area (511) and a second water storage area (512), the plate heat exchanger (62) is connected to the second water storage area (512), and the first water pump (52) is used to extract water in the first water storage area (511).

6. The underwater pelletizer collecting device according to claim 5, characterized in that: The water storage tank (51) is an L-shaped box body. Both top surfaces of the water storage tank (51) are open. A support bar (58) is installed in the water storage tank (51). The scum filter (56) is supported on the support bar (58). The partition (57) is located below the support bar (58). The water storage tank (51) is connected to a second water pump (55). The second water pump (55) is used to pump water from the second water storage area (512).

7. The underwater pelletizer collecting device according to claim 6, characterized in that: A cover plate (53) is installed on the top surface of the water storage tank (51), and the cover plate (53) is located above the first water storage area (511). A large particle collection box (54) is placed on the cover plate (53), and the second discharge pipe (16) extends to the large particle collection box (54).

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