Plastic particle screening device

Abstract

The utility model relates to the technical field of screening devices, in particular to a plastic particle screening device. The screening device comprises a base, the upper end of the base is fixedly connected with a damping rod and a first spring, the other end of the damping rod and the other end of the first spring are fixedly connected with a screening box, the upper end of the screening box is provided with a stirring assembly, the front face of the screening box is provided with a replacement assembly, and the inner wall of the screening box is detachably connected with a first-stage filter screen. A first discharging port, a second discharging port and a third discharging port are formed in one end of the screening box, the plastic particles are screened by driving the filter screen to vibrate when the plastic particles are screened, and when finer plastic particles are screened, due to the fact that the second-stage screen is located below the first-stage screen, the second-stage screen is located below the first-stage screen, the screening efficiency is greatly improved. The problems that when the secondary screen needs to be replaced, the primary screen needs to be detached, and then the secondary screen can be detached, so that the time for replacing the secondary screen is prolonged, and the screening efficiency of the plastic particles is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a plastic particle screening device. Background Art

[0002] The screening device is used to screen the size of plastic particles. The screening device consists of a base, a damping rod, a spring group, a screening box, a filter group, discharge port one, discharge port two, discharge port three, and a vibration motor. When screening the plastic particles, start the vibration motor to vibrate the screening box connected to the damping rod and spring one on the base, pour the plastic particles onto the primary filter on the screening box, vibrate the screening box, make the plastic particles fall into the secondary filter, and then vibrate the screening box to perform double screening on the plastic particles. The plastic particles in the primary filter are finally discharged from the discharge port one, the plastic particles in the secondary filter are finally discharged from the discharge port two, and the plastic particles at the bottom of the screening box are discharged from the discharge port three, thereby completing the screening of the plastic particle size.

[0003] The inventor found in his daily work that when the screening device is in use, when screening plastic particles, the plastic particles are screened by driving the filter to vibrate. When screening finer plastic particles, since the secondary screen is located below the primary screen, when the secondary screen needs to be replaced, the primary screen needs to be disassembled before the secondary screen can be disassembled, thereby increasing the time for replacing the secondary screen, and further affecting the screening efficiency of the plastic particles. Utility Model Content

[0004] The utility model aims to solve the problem that, in actual use, when screening plastic particles, the plastic particles are screened by driving the filter to vibrate, and when screening finer plastic particles, since the secondary screen is located below the primary screen, when the secondary screen needs to be replaced, the primary screen needs to be disassembled before the secondary screen can be disassembled, thereby increasing the time for replacing the secondary screen, thereby affecting the screening efficiency of the plastic particles, and a plastic particle screening device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a plastic particle screening device comprises a base, the upper end of the base is fixedly connected with a damping rod and a spring 1, the other ends of the damping rod and the spring 1 are fixedly connected with a screening box, the upper end of the screening box is provided with a stirring assembly, the front of the screening box is provided with a replacement assembly, the inner wall of the screening box is detachably connected with a primary filter screen, one end of the screening box is provided with a discharge port 1, a discharge port 2 and a discharge port 3, and a vibration motor is installed at the lower end of the screening box, the replacement assembly comprises a secondary filter screen slidably inserted on one side of the screening box, rectangular grooves are provided on both sides of the secondary filter screen, the inner wall of the rectangular groove is slidably connected with a latch, the latch is inserted into the screening box, the right end of the latch is fixedly connected with a pull rope and a spring 2, the other end of the spring 2 is fixed to the secondary filter screen, and the pull rope passes through the secondary filter screen.

[0006] The effect achieved by the above components is: by setting up a replacement component, when the secondary filter needs to be replaced, pull the pull rope to make the pin in the rectangular groove completely retracted. At this time, spring two contracts and drags the secondary filter to separate it from the screening box. Then, the new secondary filter is inserted into the screening box to complete the replacement of the secondary filter.

[0007] Preferably, a handle is fixedly connected to the front side of the secondary filter screen, the pull rope passes through the handle, a pull rod is provided on the inner wall of the handle, and the pull rod and the pull rope are fixed.

[0008] The effects achieved by the above components are: dragging the handle drives the two filter screens to move, and pulling the pull rod causes the pull rope to be pulled.

[0009] Preferably, a round rod is fixedly connected to one side of the handle, and the pull rod slides on the arc surface of the round rod.

[0010] The effect achieved by the above components is: the pull rod is limited by setting the round rod.

[0011] Preferably, a rubber pad is fixedly connected to the surface of the pull rod, and the round rod passes through the rubber pad.

[0012] The effect achieved by the above components is: by arranging the rubber pad, the palm is prevented from directly contacting the pull rod.

[0013] Preferably, the stirring assembly comprises a feeding bin fixedly connected to the upper end of the screening box, and the inner wall of the feeding bin is rotatably connected with a stirring rod and a feeding blade.

[0014] The effect achieved by the above components is: through the driving mechanism, the stirring rod and the feeding blade are rotated, so that when the plastic particles are poured in, the plastic particles stuck together are stirred, and at the same time, the feeding speed of the plastic particles from the feeding bin is controlled by controlling the rotation speed of the feeding blade.

[0015] Preferably, an L-shaped frame is fixedly connected to the front of the feed bin, a drive motor is installed on one side of the L-shaped frame, the output end of the drive motor is fixedly connected to a pulley, and the unloading blade passes through the feed bin and is fixed to the pulley.

[0016] The effect achieved by the above components is: starting the driving motor causes the pulley to rotate.

[0017] Preferably, a gear is provided on the front of the feeding bin, a second pulley is fixedly connected to the front of the right gear, and a belt is provided between the second pulley and the first pulley.

[0018] The effects achieved by the above components are: the first pulley rotates, and the transmission is performed through the belt, so that the second pulley transmits the transmission.

[0019] Preferably, the gears on both sides are meshed with each other, and the stirring rod passes through the silo and is fixed to the gears.

[0020] The effects achieved by the above components are: the second pulley drives the gear to rotate, thereby driving the stirring rod to rotate.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, by setting a replacement component, when the secondary filter needs to be replaced, the pull rope is pulled to completely retract the pin in the rectangular groove, at which time the second spring contracts, dragging the secondary filter to separate it from the screening box, and then the new secondary filter is inserted into the screening box, thereby completing the function of replacing the secondary filter, solving the problem that when screening plastic particles, the plastic particles are screened by driving the filter to vibrate, and when screening finer plastic particles, since the secondary screen is located below the primary screen, when the secondary screen needs to be replaced, the primary screen needs to be disassembled before the secondary screen can be disassembled, thereby increasing the time for replacing the secondary screen, thereby affecting the screening efficiency of the plastic particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the cross section of the utility model;

[0025] Figure 3 It is a three-dimensional structural schematic diagram of a partial cross section of the screening box of the utility model;

[0026] Figure 4 This is a three-dimensional structural schematic diagram of the handle of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the stirring component of the utility model.

[0028] Legend: 1. Base; 2. Replacement component; 3. Agitation component; 4. Damping rod; 5. Spring 1; 6. Screening box; 7. Primary filter; 8. Discharge port 3; 9. Vibration motor; 10. Discharge port 1; 11. Discharge port 2; 21. Secondary filter; 22. Rectangular groove; 23. Latch; 24. Pull rope; 25. Spring 2; 26. Handle; 27. Pull rod; 28. Round rod; 29. ​​Rubber pad; 31. Feed hopper; 32. Stirring rod; 33. Discharge blade; 34. Gear; 35. Pulley 2; 36. Belt; 37. L-shaped frame; 38. Drive motor; 39. Pulley 1. DETAILED DESCRIPTION

[0029] Reference Figure 1 and Figure 2 As shown, the utility model provides a technical solution: a plastic particle screening device includes a base 1, the upper end of the base 1 is fixedly connected with a damping rod 4 and a spring 5, the other ends of the damping rod 4 and the spring 5 are fixedly connected with a screening box 6, the upper end of the screening box 6 is provided with a stirring component 3, the front of the screening box 6 is provided with a replacement component 2, the inner wall of the screening box 6 is detachably connected with a primary filter screen 7, one end of the screening box 6 is provided with a discharge port 10, a discharge port 2 11 and a discharge port 3 8, and the lower end of the screening box 6 is installed with a vibration motor 9.

[0030] The specific settings and functions of the replacement component 2 and the stirring component 3 are described in detail below.

[0031] Reference Figure 2 and Figure 3 as well as Figure 4As shown, in this embodiment: the replacement component 2 includes a secondary filter screen 21 slidably inserted on one side of the screening box 6, and rectangular grooves 22 are opened on both sides of the secondary filter screen 21. The inner wall of the rectangular groove 22 is slidably connected with a latch 23, and the latch 23 is inserted into the screening box 6. The right end of the latch 23 is fixedly connected with a pull rope 24 and a spring 25. The other end of the spring 25 is fixed to the secondary filter screen 21, and the pull rope 24 runs through the secondary filter screen 21. By setting the replacement component 2, when the secondary filter screen 21 needs to be replaced, the pull rope 24 is pulled to completely retract the latch 23 in the rectangular groove 22. At this time, the spring 25 contracts, dragging the secondary filter screen 21 to separate it from the screening box 6, and then the new secondary filter screen is replaced. The filter screen 21 is inserted into the screening box 6, thereby completing the function of replacing the secondary filter screen 21. A handle 26 is fixedly connected to the front of the secondary filter screen 21. A pull rope 24 passes through the handle 26. A pull rod 27 is provided on the inner wall of the handle 26. The pull rod 27 and the pull rope 24 are fixed. The handle 26 is dragged to drive the second filter screen to move. The pull rod 27 is pulled so that the pull rope 24 is pulled. A round rod 28 is fixedly connected to one side of the handle 26. The pull rod 27 slides on the arc surface of the round rod 28. The pull rod 27 is limited by setting the round rod 28. A rubber pad 29 is fixedly connected to the surface of the pull rod 27. The round rod 28 passes through the rubber pad 29. The rubber pad 29 is provided to prevent the palm from directly contacting the pull rod 27.

[0032] Reference Figure 2 and Figure 5 As shown, in this embodiment: the stirring assembly 3 includes a feed bin 31 fixedly connected to the upper end of the screening box 6, and the inner wall of the feed bin 31 is rotatably connected with a stirring rod 32 and a feeding blade 33. The stirring rod 32 and the feeding blade 33 are rotated by a driving mechanism, so that when the plastic particles are poured in, the plastic particles stuck together are stirred, and at the same time, the feeding speed of the plastic particles from the feed bin 31 is controlled by controlling the rotation speed of the feeding blade 33. The front side of the feed bin 31 is fixedly connected with an L-shaped frame 37, and a driving motor 38 is installed on one side of the L-shaped frame 37. The output end of the driving motor 38 is fixedly connected with a pulley 3 9. The unloading blade 33 penetrates the feeding bin 31 and is fixed with a pulley 39. The driving motor 38 is started to drive the pulley 39 to rotate. A gear 34 is provided on the front of the feeding bin 31. A pulley 2 35 is fixedly connected to the front of the right gear 34. A belt 36 is provided between the pulley 2 35 and the pulley 1 39. The pulley 1 39 rotates and is transmitted through the belt 36, so that the pulley 2 35 is transmitted. The gears 34 on both sides are meshed with each other. The stirring rod 32 penetrates the feeding bin 31 and is fixed with the gear 34. The pulley 2 35 is transmitted, so that the gear 34 rotates, thereby driving the stirring rod 32 to rotate.

[0033] Working principle:

[0034] When screening plastic particles, start the vibration motor 9 to make the screening box 6 connected by the damping rod 4 and the spring 1 5 on the base 1 vibrate, pour the plastic particles onto the primary filter 7 on the screening box 6, and make the plastic particles fall into the secondary filter 21 through the vibration of the screening box 6, so as to perform double screening on the plastic particles. The plastic particles in the primary filter 7 are finally discharged from the discharge port 10, the plastic particles in the secondary filter 21 are finally discharged from the discharge port 2 11, and the plastic particles at the bottom of the screening box 6 are discharged from the discharge port 3 8, so as to complete the screening of the size of the plastic particles. By setting the replacement component 2, when it is necessary to replace the secondary filter 21, pull the pull rope 24 to fully retract the pin 23 in the rectangular groove 22. At this time, the spring 25 contracts to drag the secondary filter 21, thereby separating the plastic particles from the screening box 6. Separate, then insert the new secondary filter 21 into the screening box 6, thereby completing the function of replacing the secondary filter 21, drag the handle 26 to drive the second filter to move, pull the pull rod 27, so that the pull rope 24 is pulled, and the pull rod 27 is limited by setting the round rod 28, and the palm is prevented from directly contacting the pull rod 27 by setting the rubber pad 29, and the drive motor 38 is started to drive the pulley 1 39 to rotate, and the pulley 1 39 rotates, and the belt 36 is used to transmit the power, so that the pulley 2 35 is transmitted, and the pulley 2 35 is transmitted, so that the gear 34 is rotated, and then the stirring rod 32 is driven to rotate, so that the stirring rod 32 and the discharge blade 33 are rotated, so that when the plastic particles are poured in, the plastic particles stuck together are stirred, and at the same time, the discharge speed of the plastic particles from the feed bin 31 is controlled by controlling the rotation speed of the discharge blade 33.

[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A plastic particle screening device, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a damping rod (4) and a spring one (5); the other ends of the damping rod (4) and the spring one (5) are fixedly connected to a screening box (6); the upper end of the screening box (6) is provided with a stirring assembly (3); the front of the screening box (6) is provided with a replacement assembly (2); the inner wall of the screening box (6) is detachably connected to a primary filter screen (7); one end of the screening box (6) is provided with a discharge port one (10), a discharge port two (11) and a discharge port three (8); the lower end of the screening box (6) is provided with a A vibration motor (9) is provided, and the replacement component (2) includes a secondary filter (21) slidably inserted on one side of a screening box (6), rectangular grooves (22) are provided on both sides of the secondary filter (21), and a latch (23) is slidably connected to the inner wall of the rectangular groove (22), and the latch (23) is inserted into the screening box (6), and a pull rope (24) and a second spring (25) are fixedly connected to the right end of the latch (23), and the other end of the second spring (25) is fixed to the secondary filter (21), and the pull rope (24) passes through the secondary filter (21).

2. A plastic particle screening device according to claim 1, characterized in that: A handle (26) is fixedly connected to the front of the secondary filter screen (21); the pull rope (24) passes through the handle (26); a pull rod (27) is provided on the inner wall of the handle (26); and the pull rod (27) and the pull rope (24) are fixed.

3. A plastic particle screening device according to claim 2, characterized in that: A round rod (28) is fixedly connected to one side of the handle (26), and the pull rod (27) slides on the arc surface of the round rod (28).

4. A plastic particle screening device according to claim 3, characterized in that: A rubber pad (29) is fixedly connected to the surface of the pull rod (27), and the round rod (28) passes through the rubber pad (29).

5. A plastic particle screening device according to claim 4, characterized in that: The stirring assembly (3) comprises a feed bin (31) fixedly connected to the upper end of the screening box (6), and the inner wall of the feed bin (31) is rotatably connected to a stirring rod (32) and a feeding blade (33).

6. A plastic particle screening device according to claim 5, characterized in that: The front of the feeding bin (31) is fixedly connected to an L-shaped frame (37), one side of the L-shaped frame (37) is mounted with a driving motor (38), the output end of the driving motor (38) is fixedly connected to a pulley one (39), and the unloading blade (33) passes through the feeding bin (31) and is fixed to the pulley one (39).

7. A plastic particle screening device according to claim 6, characterized in that: A gear (34) is provided on the front of the feeding bin (31), and a second pulley (35) is fixedly connected to the front of the right side of the gear (34), and a belt (36) is provided between the second pulley (35) and the first pulley (39).

8. A plastic particle screening device according to claim 7, characterized in that: The gears (34) on both sides are meshed with each other, and the stirring rod (32) penetrates into the silo (31) and is fixed to the gears (34).

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