Raw material screening mechanism and screening equipment for plastic production

Abstract

The invention discloses a raw material screening mechanism and screening equipment for plastic production, and relates to the technical field of plastic production screening, the raw material screening mechanism comprises a device body, a feeding pipe is fixedly connected to one side of the top of the device body, and an adjusting mechanism is arranged in the feeding pipe; and a dust blowing mechanism is arranged at the position, located below the feeding pipe, in the device body. The device has the beneficial effects that by adopting the adjusting mechanism, when plastic raw materials are added, the blocking phenomenon can be effectively avoided when the plastic raw materials are poured by adjusting the distance between stop blocks; the falling number of plastic raw materials can be controlled by adjusting the distance between stop blocks, so that dust on the surface layer of the plastic raw materials can be effectively blown off by a dust blowing mechanism, a three-section type screen is arranged at the top of a partition plate, the three-section type screen is inclined by 45 degrees, and due to the fact that the pore diameter of the three-section type screen is decreased from left to right, the dust on the surface layer of the plastic raw materials can be effectively blown off. And the plastic raw materials can be screened more accurately.

Description

Technical Field

[0001] The invention relates to the technical field of plastic production screening, in particular to a raw material screening mechanism and screening equipment for plastic production. Background Art

[0002] Plastic is a high molecular compound made from monomers through addition polymerization or condensation polymerization, commonly known as plastic or resin. It can freely change its composition and shape. It is composed of synthetic resin and fillers, plasticizers, stabilizers, lubricants, colorants and other additives. Plastic particles are the product of plastic products, and are also the raw materials for plastic production and processing. They have important production and research value. During the production and processing of plastic particles, people usually need to screen the plastic particles to screen out impurities and unqualified plastic particles.

[0003] However, when using traditional screening devices for plastic particle production, dust and impurities are attached to the surface of the plastic raw materials after production. Most of the time, fans are used to blow away the plastic dust during processing. However, since the pipe of the feed inlet is fixed, the amount of plastic raw materials falling can only be manually controlled when adding. As a result, sometimes too much plastic raw material falls and the dust on the surface cannot be blown away, so the staff needs to control the amount of plastic raw materials poured, which greatly increases the workload of the staff and reduces the screening efficiency. In addition, the existing raw materials are not separated and placed after screening, which requires the staff to collect them, which greatly increases the workload. For this reason, we propose a raw material screening mechanism and a screening device for plastic production. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a raw material screening mechanism and screening equipment for plastic production, which solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a raw material screening mechanism and screening equipment for plastic production, including a device body, a feed pipe is fixedly connected to one side of the top of the device body, an adjustment mechanism is arranged inside the feed pipe, a dust blowing mechanism is arranged inside the device body and below the feed pipe, two partitions are fixedly connected to the bottom and corresponding sides of the inner wall of the device body, a three-section screen is arranged on the top of the partition, two plug-ins are fixedly connected to the bottom and corresponding sides of the three-section screen, and a third groove is opened on the top of the partition The plug block and the third groove are plugged into the bottom of the inner wall of the device body and are fixedly connected with three collecting hoppers on the outside of the two partitions. Three leakage grooves are opened at the bottom of the device body. A discharge port is fixedly connected to the bottom of the device body and located below the leakage groove. The coordination of the discharge port, the collecting hopper and the leakage groove can prevent the screened plastic raw materials from accumulating inside the device body, so that they can be directly taken through the container, avoiding the plastic raw materials from sticking together due to long-term accumulation, greatly improving the practicability of the screening equipment, and reducing the workload of the staff after screening.

[0006] Optionally, the adjusting mechanism includes a chassis, which is fixedly connected to the top of the device body and located on the outside of the feed pipe, first grooves are opened on both sides of the chassis, the inner wall of the chassis and the two sides of the feed pipe are rotatably connected with the first rotating shaft, the outer sides of the first rotating shaft are respectively fixedly connected with a meshing gear and a first bevel gear, the top of the device body and the inside of the chassis are fixedly connected with two fixing frames, the inside of the fixing frame is rotatably connected with a second rotating shaft, both ends of the second rotating shaft are fixedly connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the inner wall of the chassis is fixedly connected with a motor, and the output end of the motor is connected to the second The rotating shaft is fixedly connected, and a second groove is opened on both sides of the feed pipe, and a block is slidably connected inside the second groove, and a rack is fixedly connected to one side of the block, and the rack is slidably connected to the first groove, and the rack is meshed with the meshing gear. By adjusting the spacing between the blocks, the blockage of the plastic raw material during pouring can be effectively avoided, and the amount of plastic raw material falling can be controlled by adjusting the spacing between the blocks, so that the dust on the surface can be effectively blown off by the dust blowing mechanism, which is beneficial for adjusting the internal spacing of the feed pipe during use, so that when blocked, the feed pipe can be adjusted to widen the inside of the feed pipe, thereby avoiding blockage of the feed pipe.

[0007] Optionally, the dust blowing mechanism includes a pipe, which is fixedly connected to the top of the inner wall of the device body and is located below the feed pipe, and both sides of the pipe are fixedly connected with a fan and a connecting pipe, respectively, one end of the connecting pipe extends to the outside of the device body, and one side of the pipe is provided with an air outlet, and the interior of the connecting pipe is fixedly connected with a filter, and when the dust is blown into the interior of the connecting pipe by the fan during dust blowing, some lighter plastic raw materials can be blocked by the filter to avoid being blown into the interior of the dust collecting box, thereby avoiding the consumption of plastic raw materials and facilitating blowing the dust on the surface of the plastic raw material into the interior of the connecting pipe, thereby avoiding the inclusion of impurities when using the plastic raw materials.

[0008] Optionally, a dust box is fixedly connected to one side of the device body and located outside the connecting pipe, a first closed door is rotatably connected to one side of the dust box, and a first handle is fixedly connected to one side of the first closed door to facilitate the collection of dust and impurities, thereby facilitating the handling by the staff.

[0009] Optionally, a third handle is fixedly connected to the top and corresponding sides of the three-section screen, and the three-section screen is tilted to 45 degrees inside the device body. The apertures of the three-section screen are arranged in sequence from small to large from left to right, so that the plastic raw materials can slide along the three-section screen and are classified and screened through the different apertures of the three-section screen. The three-section screen is tilted at 45 degrees and the apertures of the three-section screen are arranged from small to large from left to right, so that the plastic raw materials can be screened more accurately.

[0010] Optionally, a control panel is fixedly connected to one side of the device body, and the fan and the motor are electrically connected to the control panel, which is convenient for staff to operate and makes the operation more convenient.

[0011] Optionally, a second closed door is rotatably connected to one side of the device body away from the dust box, a second handle is fixedly connected to one side of the second closed door, and two fixed legs are fixedly connected to the bottom and corresponding sides of the device body to facilitate opening and disassembly of the three-section screen from the inside for regular cleaning.

[0012] The present invention provides a raw material screening mechanism and screening equipment for plastic production, which have the following beneficial effects:

[0013] 1. The raw material screening mechanism and the screening equipment for plastic production can effectively avoid the blockage of the plastic raw materials when pouring by adopting an adjusting mechanism when adding plastic raw materials by adjusting the distance between the blocks. The amount of plastic raw materials falling can be controlled by adjusting the distance between the blocks, so that the dust on the surface can be effectively blown off by the dust blowing mechanism. When the dust is blown into the interior of the connecting pipe by the fan, some lighter plastic raw materials can be blocked by the filter to avoid being blown into the interior of the dust collecting box, thereby avoiding the consumption of plastic raw materials. A three-section screen is arranged on the top of the partition, and the three-section screen is tilted at an angle of 45 degrees and the aperture of the three-section screen increases from small to large from left to right, so that the plastic raw materials can be screened more accurately.

[0014] 2. The raw material screening mechanism and the screening equipment for plastic production can separate and discharge the screened plastic raw materials according to uniform size by providing a collecting hopper, a discharging port and a leakage trough. The problem of large size differences among the plastic raw materials can be effectively avoided by differentiating the materials. The incomplete dissolution of some plastic raw materials due to size problems can be avoided during dissolution after screening. The convenience of use is effectively improved, and the efficiency of plastic raw material screening is greatly increased. The coordination of the discharging port, the collecting hopper and the leakage trough can prevent the screened plastic raw materials from accumulating inside the device body, so that they can be directly taken out through the container, avoiding the plastic raw materials from sticking together due to long-term accumulation, greatly improving the practicability of the screening equipment, and reducing the workload of the staff after screening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 It is a schematic structural diagram of a cross section of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the regulating mechanism of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the partition cross section of the present invention;

[0019] Figure 5 For the present invention Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0020] In the figure: 1. device body; 2. chassis; 3. feed pipe; 4. first slot; 5. dust box; 6. first handle; 7. first closed door; 8. control panel; 9. fixed leg; 10. second handle; 11. discharge port; 12. collecting hopper; 13. partition; 14. three-section screen; 15. connecting pipe; 16. filter; 17. pipeline; 18. air outlet; 19. fan; 20. third handle; 21. second slot; 22. block; 23. second closed door; 24. third slot; 25. plug; 26. first rotating shaft; 27. meshing gear; 28. first bevel gear; 29. ​​second rotating shaft; 30. rack; 31. fixing frame; 32. second bevel gear; 33. motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figures 1 to 5The present invention provides a technical solution: a raw material screening mechanism and a screening device for plastic production, comprising a device body 1, a feeding pipe 3 is fixedly connected to one side of the top of the device body 1, an adjusting mechanism is arranged inside the feeding pipe 3, a dust blowing mechanism is arranged inside the device body 1 and below the feeding pipe 3, two partitions 13 are fixedly connected to the bottom of the inner wall of the device body 1 and the corresponding two sides, a three-section screen 14 is arranged on the top of the partition 13, two plug-in blocks 25 are fixedly connected to the bottom of the three-section screen 14 and the corresponding two sides, a third groove 24 is opened on the top of the partition 13, the plug-in blocks 25 and the third groove 24 are plugged into the bottom of the inner wall of the device body 1 and are located outside the two partitions 13 and are fixedly connected with three collecting hoppers 12, three leakage grooves are opened at the bottom of the device body 1, and a discharge port 11 is fixedly connected to the bottom of the device body 1 and below the leakage groove, the plastic raw material falls on the top of the three-section screen 14, slides down through the inclination angle of the three-section screen 14, is screened through the apertures from small to large, and passes through The plastic materials fall out through the collecting hopper 12 and fall into the collecting container through the discharge port 11. The collecting hopper, the discharge port and the leakage trough are provided so that the screened plastic raw materials can be separated and discharged according to uniform size. By separating and discharging, the problem of excessive size difference in the plastic raw materials can be effectively avoided. During dissolution after screening, it can be avoided that some plastic raw materials are not fully dissolved due to size problems. The convenience of use is effectively improved, and the efficiency of plastic raw material screening is greatly increased. When the three-stage screen 14 needs to be cleaned, the second closed door 23 can be opened by the second handle 10, and the three-stage screen 14 can be lifted by the third handle 20, so that the three-stage screen 14 can be taken out and cleaned. The coordination of the discharge port, the collecting hopper and the leakage trough can prevent the screened plastic raw materials from accumulating inside the device body, so that they can be directly taken out through the container, avoiding the plastic raw materials from sticking together due to long-term accumulation, greatly improving the practicability of the screening equipment, and reducing the workload of the staff after screening.

[0023] The adjusting mechanism includes a chassis 2, which is fixedly connected to the top of the device body 1 and located on the outside of the feed pipe 3. The chassis 2 is provided with a first groove 4 on both sides. The inner wall of the chassis 2 and the two sides of the feed pipe 3 are rotatably connected to the first rotating shaft 26, and the outer sides of the first rotating shaft 26 are respectively fixedly connected to the meshing gear 27 and the first bevel gear 28. The top of the device body 1 and the inside of the chassis 2 are fixedly connected to two fixing frames 31, and the inside of the fixing frame 31 is rotatably connected to the second rotating shaft 29, and the two ends of the second rotating shaft 29 are fixedly connected to the second Bevel gear 32, the second bevel gear 32 is meshed with the first bevel gear 28, the inner wall of the chassis 2 is fixedly connected with a motor 33, the output end of the motor 33 is fixedly connected with the second rotating shaft 29, the second groove 21 is provided on both sides of the feed pipe 3, the inside of the second groove 21 is slidably connected with a block 22, one side of the block 22 is fixedly connected with a rack 30, the rack 30 is slidably connected with the first groove 4, the rack 30 is meshed with the meshing gear 27, the staff pours the plastic raw material into the interior through the feed pipe 3, when the feed pipe 3 is blocked, through the control panel 8. Start the motor 33, so that the motor 33 drives the second rotating shaft 29 to rotate inside the fixed frame 31, thereby driving the second bevel gear 32 to rotate and mesh with the first bevel gear 28, and through the meshing of the first bevel gear 28 and the second bevel gear 32, the first rotating shaft 26 and the meshing gear 27 are driven to rotate, so that the meshing gear 27 rotates and meshes with the rack 30, thereby driving the block 22 to slide inside the second groove 21, so that the two blocks 22 are separated from each other, thereby increasing the space inside the feeding pipe 3. When the blocks 22 are close to each other, the amount of plastic raw materials falling can be limited, which is conducive to adjusting the internal spacing of the feeding pipe 3 during use, so that when blocked, the feeding pipe 3 can be adjusted to widen the inside of the feeding pipe 3, thereby avoiding blocking of the feeding pipe 3. By adopting the adjusting mechanism, when adding plastic raw materials, by adjusting the spacing between the blocks, the blockage of the plastic raw materials during pouring can be effectively avoided. By adjusting the spacing between the blocks, the amount of plastic raw materials falling can be controlled, so that the dust on the surface can be effectively blown off by the dust blowing mechanism.

[0024] The dust blowing mechanism includes a pipe 17, which is fixedly connected to the top of the inner wall of the device body 1 and is located below the feed pipe 3. A fan 19 and a connecting pipe 15 are fixedly connected to both sides of the pipe 17, one end of the connecting pipe 15 extends to the outside of the device body 1, and an air outlet 18 is opened on one side of the pipe 17. A filter 16 is fixedly connected to the inside of the connecting pipe 15. The fan 19 is started by the control panel 8, so that the fan 19 blows off the dust on the surface of the fallen plastic raw material, so that the dust passes through the filter 16 and the connecting pipe 15 into the dust collecting box 5, which is conducive to blowing the dust on the surface of the plastic raw material into the inside of the connecting pipe 15, thereby avoiding the doping of impurities when using the plastic raw material, and when the dust is blown into the inside of the connecting pipe by the fan during dust blowing, some of the lighter plastic raw materials can be blocked by the filter to avoid being blown into the inside of the dust collecting box, thereby avoiding the consumption of the plastic raw material and effectively improving the purity of the plastic raw material.

[0025] A dust box 5 is fixedly connected to one side of the device body 1 and located on the outside of the connecting pipe 15. A first closed door 7 is rotatably connected to one side of the dust box 5. A first handle 6 is fixedly connected to one side of the first closed door 7, which is convenient for collecting dust and impurities, thereby facilitating the handling by the staff. The first closed door 7 can be opened by the first handle 6 to clean the dust and impurities accumulated in the dust box 5. By collecting dust and impurities, environmental pollution can be effectively avoided, and the safety of the staff is greatly improved.

[0026] A third handle 20 is fixedly connected to the top and corresponding sides of the three-section screen 14. The three-section screen 14 is tilted to 45 degrees inside the device body 1. The apertures of the three-section screen 14 are arranged from small to large from left to right, which is convenient for the plastic raw materials to slide along the three-section screen 14 and be classified and screened through the different apertures of the three-section screen 14. The three-section screen is arranged on the top of the partition, and the three-section screen is tilted at 45 degrees and the apertures of the three-section screen are arranged from small to large from left to right, so that the plastic raw materials can be screened more accurately.

[0027] A control panel 8 is fixedly connected to one side of the device body 1, and the fan 19 and the motor 33 are electrically connected to the control panel 8, which is convenient for the staff to operate and makes the operation more convenient. The side of the device body 1 away from the dust box 5 is rotatably connected to the second closed door 23, and one side of the second closed door 23 is fixedly connected to a second handle 10. Two fixed legs 9 are fixedly connected to the bottom and corresponding sides of the device body 1. Through the fixed legs 9, the screening equipment can be effectively stabilized, and the three-section screen 14 can be opened and disassembled from the inside to facilitate regular cleaning.

[0028] In summary, when the raw material screening mechanism and the screening equipment for plastic production are used, the staff pours the plastic raw material into the interior through the feed pipe 3. When the feed pipe 3 is blocked, the staff starts the motor 33 through the control panel 8, so that the motor 33 drives the second rotating shaft 29 to rotate inside the fixed frame 31, thereby driving the second bevel gear 32 to rotate and mesh with the first bevel gear 28, and the meshing of the first bevel gear 28 and the second bevel gear 32 drives the first rotating shaft 26 and the meshing gear 27 to rotate, so that the meshing gear 27 rotates and meshes with the rack 30, thereby driving the block 22 to slide inside the second groove 21, so that the two blocks 22 move away from each other, thereby increasing the space inside the feed pipe 3, and when the blocks 22 are close to each other, the amount of plastic raw material falling can be limited. Afterwards, the fan 19 is started through the control panel 8, so that the fan 19 blows off the dust on the surface of the fallen plastic raw material, so that the dust enters the dust box 5 through the filter 16 and the connecting pipe 15, and the plastic raw material falls on the top of the three-stage screen 14, slides through the inclined angle of the three-stage screen 14, is screened through the apertures from small to large, and falls out through the collecting hopper 12, and falls into the collection container through the discharge port 11, and the first closed door 7 can be opened by the first handle 6 to clean the dust and impurities accumulated in the dust box 5. When the three-stage screen 14 needs to be cleaned, the second closed door 23 can be opened by the second handle 10, and the three-stage screen 14 can be lifted by the third handle 20, so that the three-stage screen 14 can be taken out and cleaned.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A raw material screening mechanism, comprising a device body (1), characterized in that: A feed pipe (3) is fixedly connected to one side of the top of the device body (1), an adjustment mechanism is provided inside the feed pipe (3), a dust blowing mechanism is provided inside the device body (1) and below the feed pipe (3), two partitions (13) are fixedly connected to the bottom of the inner wall of the device body (1) and on both corresponding sides, a three-section screen (14) is provided on the top of the partition (13), two plug blocks (25) are fixedly connected to the bottom of the three-section screen (14) and on both corresponding sides, a third groove (24) is provided on the top of the partition (13), the plug blocks (25) and the third groove (24) are plugged into the bottom of the inner wall of the device body (1) and three collecting hoppers (12) are fixedly connected outside the two partitions (13), three leakage grooves are provided at the bottom of the device body (1), and a discharge port (11) is fixedly connected to the bottom of the device body (1) and below the leakage grooves.

2. A raw material screening mechanism according to claim 1, characterized in that: The adjustment mechanism comprises a chassis (2), the chassis (2) being fixedly connected to the top of the device body (1) and located on the outside of the feed pipe (3), first grooves (4) being provided on both sides of the chassis (2), first rotating shafts (26) being rotatably connected to the inner wall of the chassis (2) and located on both sides of the feed pipe (3), a meshing gear (27) and a first bevel gear (28) being fixedly connected to the outside of the first rotating shaft (26), two fixing frames (31) being fixedly connected to the top of the device body (1) and located inside the chassis (2), a second rotating shaft (29) being rotatably connected to the inside of the fixing frame (31), Both ends of the second rotating shaft (29) are fixedly connected with second bevel gears (32), and the second bevel gear (32) is meshed with the first bevel gear (28). The inner wall of the chassis (2) is fixedly connected with a motor (33), and the output end of the motor (33) is fixedly connected with the second rotating shaft (29). Second grooves (21) are provided on both sides of the feeding pipe (3), and a blocking block (22) is slidably connected inside the second groove (21). A rack (30) is fixedly connected to one side of the blocking block (22), and the rack (30) is slidably connected to the first groove (4), and the rack (30) is meshed with the meshing gear (27).

3. A raw material screening mechanism according to claim 1, characterized in that: The dust blowing mechanism comprises a pipe (17), the pipe (17) is fixedly connected to the top of the inner wall of the device body (1) and is located below the feed pipe (3), the two sides of the pipe (17) are respectively fixedly connected to a fan (19) and a connecting pipe (15), one end of the connecting pipe (15) extends to the outside of the device body (1), an air outlet (18) is opened on one side of the pipe (17), and a filter (16) is fixedly connected to the inside of the connecting pipe (15).

4. A raw material screening mechanism according to claim 1, characterized in that: A dust box (5) is fixedly connected to one side of the device body (1) and located outside the connecting pipe (15); a first closed door (7) is rotatably connected to one side of the dust box (5); and a first handle (6) is fixedly connected to one side of the first closed door (7).

5. A raw material screening mechanism according to claim 1, characterized in that: A third handle (20) is fixedly connected to the top and corresponding sides of the three-section screen (14); the three-section screen (14) is inclined at an angle of 45 degrees inside the device body (1); and the apertures of the three-section screen (14) are arranged in order from small to large from left to right.

6. A raw material screening mechanism according to claim 3, characterized in that: A control panel (8) is fixedly connected to one side of the device body (1), and the fan (19) and the motor (33) are both electrically connected to the control panel (8).

7. A screening device for plastic production, characterized in that: It comprises a screening device for plastic production as described in any one of claims 1 to 6, wherein a second closed door (23) is rotatably connected to a side of the device body (1) away from the dust box (5), a second handle (10) is fixedly connected to one side of the second closed door (23), and two fixed legs (9) are fixedly connected to the bottom and corresponding sides of the device body (1).

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