Flame-retardant particle screening mechanism

Abstract

The utility model relates to the technical field of plastic processing, and discloses a flame-retardant particle screening mechanism which comprises a bottom plate, a charging barrel is fixedly connected to the left side of the top end of the bottom plate, a feeding port is formed in the top end of the charging barrel, a slope block is fixedly connected to the inner wall of the charging barrel, and a power assembly is fixedly connected to the left side of the top end of the bottom plate. The outer portion of the rotating roller is sleeved with a crawler belt, the outer portion of the crawler belt is fixedly connected with a plurality of baffles, the top end of the bottom plate is fixedly connected with two supporting plates, the top ends of the supporting plates are fixedly connected with side plates, and the right portions of the sides, close to each other, of the two side plates are rotationally connected with another main shaft and the rotating roller. According to the flame-retardant particle screening device, the motor I drives the main shaft to rotate so as to drive the crawler belt to transmit, flame-retardant particles can fall on the crawler belt under the guide of the slope block when being fed from the feeding hole, and the baffle plate at the position enables the flame-retardant particles at each interval to be the same in quantity, so that the condition of blockage during screening is prevented, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing, in particular to a flame retardant particle screening mechanism. Background Art

[0002] Plastic processing technology refers to the process of converting plastic raw materials into plastic products of desired shapes and sizes through various technological means. Common processing techniques include injection molding, blow molding, extrusion, etc. In plastic recycling, pelletizing is to cut hot-melt plastic products into small particles, while screening is to separate these particles by size for reuse, thus promoting resource recycling.

[0003] After searching, the Chinese patent announcement number: CN210705508U discloses a plastic particle screening and drying integrated device with good flame retardancy, including a fixed frame plate, fixed bar arms are fixedly installed on both sides of the fixed frame plate, support legs are fixedly installed on the bottom surface of the fixed bar arms, support pads are fixedly installed on the bottom ends of the support legs, support springs are fixedly installed on the bottom surface of the fixed frame plate, and a screening cylinder is fixedly installed on the bottom of the support spring. The plastic particles to be screened are injected into the feed pipe, and the shaft connected to it is driven to rotate by a reduction motor, which drives the transmission wheel and the transmission belt to rotate and drives other transmission wheels and shafts to rotate, so that multiple shafts drive the connecting plates and screening net cylinders connected thereto to rotate, so that the screening mesh of the entire cylinder body screens the plastic particles, and the screening cylinder is driven to rotate by a vibration motor, so that the screening speed of the plastic particles is accelerated, thereby achieving the effect of improving the screening efficiency and realizing the goal of facilitating rapid screening.

[0004] The beneficial effects in the above patent specification mention that "the screening drum is driven to rotate by a vibration motor, so that the screening speed of plastic particles is accelerated, the screening efficiency is improved, and the goal of facilitating rapid screening is achieved." Although the above patent achieves the goal of facilitating rapid screening, it is unable to automatically and quantitatively load the flame-retardant particles during specific use. This results in uneven feeding in the subsequent screening process, which further leads to equipment blockage and reduces screening efficiency. Therefore, a flame-retardant particle screening mechanism is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a flame retardant particle screening mechanism, which aims to improve the problem that the existing technology cannot automatically and quantitatively load flame retardant particles, which makes the feeding amount uneven in the subsequent screening process, further leading to equipment blockage and reducing the screening efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The top of described lifting body has the cam that is provided with a toothed structure, and the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that the toothed structure is that

[0008] As a further description of the above technical solution:

[0009] The power assembly includes a support block 1, the bottom end of the support block 1 is fixedly connected to the left side of the top end of the bottom plate, the inner wall of the support block 1 is fixedly connected to a motor 1, the driving end of the motor 1 is fixedly connected to a main shaft, and the outside of the main shaft is fixedly connected to one side of the rotating roller;

[0010] As a further description of the above technical solution:

[0011] The transmission assembly comprises a main pulley, the inner wall of which is fixedly connected to the outside of the main shaft, the outer part of which is sleeved with a belt, and the front end of the hammer shaft is fixedly connected to a secondary pulley, the outer part of which is sleeved on the inner wall of the belt;

[0012] As a further description of the above technical solution:

[0013] The grinding assembly includes a support block 2, the rear end of which is fixedly connected to the front end of the discharge box, the inner wall of the support block 2 is fixedly connected to a motor 2, and the driving end of the motor 2 is fixedly connected to a rotating shaft. The outer front end of the rotating shaft is fixedly connected to a main gear, the front end of the inner wall of the discharge box is fixedly connected to a box body, the right side of the inner wall of the box body is rotatably connected to a slave gear, the main gear and the slave gear are meshingly connected, the inner wall of the slave gear is fixedly connected to a short shaft, the outer sides of the rotating shaft and the short shaft are fixedly connected to grinding rollers, the right bottom end of the discharge box is provided with a discharge port, and the right top end of the discharge box is provided with a receiving port;

[0014] As a further description of the above technical solution:

[0015] The rear end of the support block 1 is fixedly connected to the front bottom of the barrel, and the outer part of the main shaft is rotatably connected to the inner wall of the feed port;

[0016] As a further description of the above technical solution:

[0017] The front and rear ends of the baffle are respectively slidably connected to the adjacent sides of the two side plates, and the front and rear ends of the crawler are respectively slidably connected to the adjacent sides of the two side plates;

[0018] As a further description of the above technical solution:

[0019] One end of the spring is fixedly connected to one side of the inner wall of the discharge box, and the other end of the spring is fixedly connected to one side of the limit block;

[0020] As a further description of the above technical solution:

[0021] The outer portion of the limit block is slidably connected to one side of the inner wall of the discharge box, and the outer portion of the main gear is rotationally connected to the inner wall of the box body.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the main shaft and the roller are driven to rotate by a motor, thereby driving the crawler and the baffle to start transmission. When the flame retardant particles are put into the feed port, they will fall on the crawler under the guidance of the slope block, and the baffle here plays a role of isolation, so that the amount of flame retardant particles in each interval is the same, preventing blockage during the screening process and improving the screening efficiency.

[0024] 2. In the utility model, unqualified flame retardant particles will fall from the holes of the filter plate after being screened by the filter plate, and then the second motor will drive the rotating shaft to rotate, thereby driving the main gear, the slave gear and the two grinding rollers to rotate towards each other, and the unqualified flame retardant particles will be crushed. At this time, the staff can collect them from the place, and then put them into the pelletizer for reprocessing, which prevents waste and reduces costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a flame retardant particle screening mechanism proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a slope block of a flame retardant particle screening mechanism proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of a rotating roller of a flame retardant particle screening mechanism proposed by the utility model;

[0028] Figure 4This is a structural schematic diagram of a filter plate of a flame retardant particle screening mechanism proposed by the utility model;

[0029] Figure 5 for Figure 4 A in the enlarged view;

[0030] Figure 6 This is a structural schematic diagram of a discharge port of a flame retardant particle screening mechanism proposed by the utility model.

[0031] Legend:

[0032] 1. Bottom plate; 2. Barrel; 3. Feeding port; 4. Slope block; 5. Support block 1; 6. Motor 1; 7. Main shaft; 8. Roller; 9. Track; 10. Baffle; 11. Support plate; 12. Side plate; 13. Main pulley; 14. Belt; 15. Discharging box; 16. Hammer shaft; 17. Slave pulley; 18. Filter plate; 19. Limit block; 20. Spring; 21. Support block 2; 22. Motor 2; 23. Rotating shaft; 24. Main gear; 25. Slave gear; 26. Box body; 27. Grinding roller; 28. Discharging port; 29. ​​Receiving port. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a flame retardant particle screening mechanism, including a bottom plate 1, a barrel 2 is fixedly connected to the left side of the top of the bottom plate 1, a feed port 3 is opened at the top of the barrel 2, the feed port 3 here is used to put in flame retardant particles, the inner wall of the barrel 2 is fixedly connected with a slope block 4, the top left side of the bottom plate 1 is fixedly connected with a power assembly, the power assembly here is used to provide power, the power assembly includes a support block 5, the rear end of the support block 5 is fixedly connected to the front bottom of the barrel 2, the bottom end of the support block 5 is fixedly connected to the left side of the top of the bottom plate 1, the inner wall of the support block 5 is fixedly connected with a motor 6, the support block 5 here plays a supporting and fixing role for the motor 6, so that it remains stable during operation, the driving end of the motor 6 is fixedly connected with a main shaft 7, the outer rotation of the main shaft 7 is connected to the inner wall of the feed port 3, and the motor 6 here can drive the main shaft 7 to rotate together after starting;

[0035] A roller 8 is fixedly connected to one side of the power component, and the outside of the main shaft 7 is fixedly connected to one side of the roller 8. A track 9 is sleeved on the outside of the roller 8. The main shaft 7 here can drive the rotation of the roller 8 when it rotates, thereby driving the transmission of the track 9. A plurality of baffles 10 are fixedly connected to the outside of the track 9. Two support plates 11 are fixedly connected to the top of the bottom plate 1, and a side plate 12 is fixedly connected to the top of the support plate 11. The plurality of baffles 10 here can effectively divide the fallen flame retardant particles into uniform parts and then transport them. The front and rear ends of the track 9 are respectively slidably connected to the adjacent sides of the two side plates 12, and the front and rear ends of the baffle 10 are respectively slidably connected to the adjacent sides of the two side plates 12. The side plate 12 here serves as a limit for the baffle 10 to ensure its linear motion during operation. The right part of the adjacent side of the two side plates 12 is rotatably connected with another main shaft 7 and roller 8, and the inner wall of the main shaft 7 is sleeved on the outside of the other roller 8.

[0036] Reference Figure 3-Figure 5 , the outside of the main shaft 7 is fixedly connected with a transmission component, and the transmission component here is used to further transmit the power generated by the motor 6 to another device. The transmission component includes a main pulley 13, the inner wall of the main pulley 13 is fixedly connected to the outside of the main shaft 7, and the outer sleeve of the main pulley 13 is provided with a belt 14. When the motor 6 here rotates, it can drive the main pulley 13 to rotate, thereby driving the belt 14 to start transmission. The front end of the hammer shaft 16 is fixedly connected with a slave pulley 17, and the outer sleeve of the slave pulley 17 is arranged on the inner wall of the belt 14. When the belt 14 is transmitted, it can drive the rotation of the slave pulley 17. The top right side of the bottom plate 1 is fixedly connected with a discharge box 15, and the inner wall of the front end of the discharge box 15 is rotatably connected with the hammer shaft 16. The inner wall of the discharge box 15 is slidably connected with a filter plate 18. When the slave pulley 17 rotates, it can drive the hammer shaft 16 to rotate, thereby realizing continuous striking of the filter plate 18;

[0037] Two limit blocks 19 are fixedly connected to the left and right sides of the filter plate 18, and the outer side of the limit block 19 is slidably connected to one side of the inner wall of the discharge box 15. Springs 20 are provided on the inner walls of the left and right sides of the discharge box 15. The springs 20 here are used to cooperate with the limit blocks 19 to provide an upward reaction force to the filter plate 18, so that it can be reset in time when it descends, so as to achieve the effect of the filter plate 18 vibrating up and down, thereby realizing the screening of flame retardant particles. One end of the spring 20 is fixedly connected to one side of the inner wall of the discharge box 15, and the other end of the spring 20 is fixedly connected to one side of the limit block 19. The discharge box 15 and the limit block 19 here provide a stable support for the spring 20, so that it remains stable during expansion and contraction. A crushing assembly is fixedly connected to the front end of the discharge box 15, and the crushing assembly includes a support block 21. The crushing assembly here is used to crush unqualified flame retardant particles, which can be collected by subsequent staff and then re-added to the pelletizer for reprocessing.

[0038] Reference Figure 4 and Figure 6 , the rear end of the support block 21 is fixedly connected to the front end of the discharge box 15, the inner wall of the support block 21 is fixedly connected with the motor 22, the driving end of the motor 22 is fixedly connected with the rotating shaft 23, the motor 22 here can drive the rotating shaft 23 to rotate after starting, the outer front end of the rotating shaft 23 is fixedly connected with the main gear 24, the inner wall front end of the discharge box 15 is fixedly connected with the box body 26, the outer part of the main gear 24 is rotatably connected to the inner wall of the box body 26, and the right side of the inner wall of the box body 26 is rotatably connected with the slave gear 25, the box body 26 here provides a stable support for the slave gear 25, so that it remains stable during rotation, the main gear 24 and the slave gear 25 are meshingly connected, and the inner wall of the slave gear 25 is fixedly connected with a short shaft;

[0039] The outside of the rotating shaft 23 and the short shaft are fixedly connected with a grinding roller 27, the right bottom end of the discharge box 15 is provided with a discharge port 28, and the right top end of the discharge box 15 is provided with a receiving port 29. The rotating shaft 23 and the short shaft here can drive the external grinding roller 27 to rotate towards each other when rotating, thereby crushing the flame retardant particles, and then qualified flame retardant particles can be collected from the receiving port 29, and unqualified crushed flame retardant particle powder can be collected from the discharge port 28.

[0040] Working principle: First, the flame retardant particles are put into the barrel 2 at the top of the bottom plate 1 from the feed port 3. At this time, the motor 6 on the inner wall of the support block 5 can be started first. The motor 6 will drive the main shaft 7 and the roller 8 to rotate, thereby driving the track 9 and the baffle 10 to start transmission. The support plate 11 and the side plate 12 here play a supporting role for the track 9. At this time, the flame retardant particles will first contact the slope block 4. Due to the special shape of the slope block 4, a gathering effect is formed, so that the flame retardant particles fall accurately on the track 9 and are evenly separated by the baffle 10 to achieve the effect of quantitative feeding, thereby preventing blockage during subsequent screening due to uneven feeding.

[0041] At this time, the flame retardant particles are transmitted to the top of the discharge box 15 by the crawler 9. At this time, because the main pulley 13 is fixed to the outside of the main shaft 7, and the belt 14 is set on the outside of the main pulley 13, the main pulley 13 will drive the slave pulley 17 to rotate together when it rotates. The spring 20 here provides a reaction force to reset it, so that the hammer shaft 16 can be driven to continuously hit the filter plate 18, so that the flame retardant particles falling on the top of the filter plate 18 are constantly subjected to vibration screening, and qualified flame retardant particles will flow out from the receiving port 29 , the staff can collect them, and the unqualified and too small flame retardant particles will fall from the holes of the filter plate 18. At this time, the motor 22 on the inner wall of the support block 21 is started, and the motor 22 will drive the rotating shaft 23 to rotate, and the main gear 24 and the slave gear 25 here are meshed, thereby driving the main gear 24, the slave gear 25 and the two grinding rollers 27 at the rear end to rotate towards each other, thereby crushing the flame retardant particles. Subsequent staff can collect them from the discharge port 28 and put them back into the pelletizer for reprocessing, which prevents waste and reduces costs.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flame retardant particle screening mechanism, comprising a bottom plate (1), characterized in that: The top left side of the bottom plate (1) is fixedly connected to a barrel (2), a feed port (3) is provided at the top of the barrel (2), a slope block (4) is fixedly connected to the inner wall of the barrel (2), the top left side of the bottom plate (1) is fixedly connected to a power assembly, one side of the power assembly is fixedly connected to a roller (8), the outer portion of the roller (8) is provided with a crawler (9), the outer portion of the crawler (9) is fixedly connected to a plurality of baffles (10), the top of the bottom plate (1) is fixedly connected to two support plates (11), the top of the support plate (11) is fixedly connected to a side plate (12), and the right portions of the adjacent sides of the two side plates (12) are rotatably connected. Another main shaft (7) and a roller (8) are connected, the inner wall of the main shaft (7) is sleeved on the outside of the other roller (8), the outside of the main shaft (7) is fixedly connected to a conveying component, the top right side of the bottom plate (1) is fixedly connected to a discharge box (15), the front inner wall of the discharge box (15) is rotatably connected to a hammer shaft (16), the inner wall of the discharge box (15) is slidably connected to a filter plate (18), the left and right sides of the filter plate (18) are fixedly connected to two limit blocks (19), the left and right inner walls of the discharge box (15) are provided with springs (20), and the front end of the discharge box (15) is fixedly connected to a crushing component.

2. A flame retardant particle screening mechanism according to claim 1, characterized in that: The power assembly comprises a support block (5), the bottom end of the support block (5) is fixedly connected to the left side of the top end of the bottom plate (1), the inner wall of the support block (5) is fixedly connected to a motor (6), the driving end of the motor (6) is fixedly connected to a main shaft (7), and the outside of the main shaft (7) is fixedly connected to one side of the rotating roller (8).

3. A flame retardant particle screening mechanism according to claim 2, characterized in that: The transmission assembly comprises a main pulley (13), the inner wall of which is fixedly connected to the outside of the main shaft (7), the outer part of which is sleeved with a belt (14), and the front end of the hammer shaft (16) is fixedly connected to a secondary pulley (17), the outer part of which is sleeved on the inner wall of the belt (14).

4. The flame retardant particle screening mechanism according to claim 1, characterized in that: The grinding assembly comprises a second support block (21), the rear end of the second support block (21) is fixedly connected to the front end of the discharge box (15), the inner wall of the second support block (21) is fixedly connected to a second motor (22), the driving end of the second motor (22) is fixedly connected to a rotating shaft (23), the outer front end of the rotating shaft (23) is fixedly connected to a main gear (24), the inner wall front end of the discharge box (15) is fixedly connected to a box body (26), the right side of the inner wall of the box body (26) is rotatably connected to a slave gear (25), the main gear (24) and the slave gear (25) are meshingly connected, the inner wall of the slave gear (25) is fixedly connected to a short shaft, the rotating shaft (23) and the outside of the short shaft are fixedly connected to a grinding roller (27), the right bottom end of the discharge box (15) is provided with a discharge port (28), and the right top end of the discharge box (15) is provided with a receiving port (29).

5. The flame retardant particle screening mechanism according to claim 2, characterized in that: The rear end of the support block 1 (5) is fixedly connected to the front end bottom of the barrel (2), and the outside of the main shaft (7) is rotatably connected to the inner wall of the feed port (3).

6. The flame retardant particle screening mechanism according to claim 1, characterized in that: The front and rear ends of the baffle (10) are respectively slidably connected to the adjacent sides of the two side plates (12), and the front and rear ends of the crawler (9) are respectively slidably connected to the adjacent sides of the two side plates (12).

7. The flame retardant particle screening mechanism according to claim 1, characterized in that: One end of the spring (20) is fixedly connected to one side of the inner wall of the discharge box (15), and the other end of the spring (20) is fixedly connected to one side of the limit block (19).

8. The flame retardant particle screening mechanism according to claim 4, characterized in that: The outside of the limit block (19) is slidably connected to one side of the inner wall of the discharge box (15), and the outside of the main gear (24) is rotationally connected to the inner wall of the box body (26).

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