Plastic product processing pulverizer with dust suppression function

By introducing a dust removal and dust suppression mechanism of negative pressure fan and dust collecting bag in the crusher, combined with the detachable rubber strip structure and spiral feeding twisting dragon, the problem of dust dissipation during the crushing process is solved, and effective dust removal and Discharge cleaning.

CN222174309UActive Publication Date: 2024-12-17DONGGUAN FENGTONG PLASTIC CO LTD
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Patent Information

Application Number
CN202323591863.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-27
Publication Date
2024-12-17
Estimated Expiration
2033-12-27

AI Technical Summary

Technical Problem

When the existing plastic product processing crusher crushes materials, the dust and fine particles contained in the material can easily escape under the influence of the airflow brought by the knife holder, resulting in pollution in the working environment and lack the function of removing dust and suppressing dust.

Method used

A crusher with dust suppression function is designed, using a dust removal and dust suppression mechanism composed of a negative pressure fan and a dust collecting bag. The dust generated during the crushing process is sucked into the guide cylinder and collected into the dust collecting bag through a negative pressure fan. , and prevent powder splashing through a removable concave fixing clip and rubber strip structure, and combine it with a spiral feeding twist to reduce the spread of smoke and dust during discharge.

Benefits of technology

The function of removing dust and suppressing dust is realized. The rubber strip structure of the curtain is easily replaced to prevent powder splashing, and the spread of smoke and dust at the discharge position is reduced through the spiral feeding twist dragon, which significantly improves the cleanliness of the working environment.

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Abstract

The plastic product processing pulverizer with the dust suppression function comprises a bottom supporting plate, the top of an equipment supporting frame is fixedly connected with a pulverizing bin, the top of the pulverizing bin is fixedly connected with a feeding bin, and a dust removal and suppression mechanism is arranged at the rear end of the feeding bin. According to the plastic product processing pulverizer with the dust suppression function, through the arrangement of the shell, the flange connector, the top sealing cover, the guide cylinder, the dust inlet, the dust collection bag and the negative pressure fan, when the pulverizer is used, the negative pressure fan exhausts air in the shell, a negative pressure state is formed in the shell, air in the feeding bin rapidly flows into the shell along the flange connector, and the dust suppression function is achieved. Air rushing into the shell enters the guide cylinder through the dust inlet and falls to the dust collection bag under the action of wind power, and the guide cylinder is drawn out by directly buckling the top sealing cover during later cleaning, so that the dust removal and suppression functions are realized, and the problem that the device does not have the dust removal and suppression functions is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pulverizers, in particular to a pulverizer for processing plastic products with a dust suppression function. Background Art

[0002] Crusher is a commonly used equipment for processing plastic products. It crushes block or granular materials, reduces the particle size and makes them powdery, which is convenient for subsequent hot melt processing.

[0003] Currently, most of the common plastic product processing crushers on the market are similar in structure, with a crushing bin and a feeding bin as the main body. The driving motor drives the transmission shaft inside the crushing bin to rotate at high speed through a pulley. The patterned knife outside the transmission shaft and the fixed knife on the inner wall of the crushing bin form a shear force to quickly cut and crush the material. The material with qualified particle size falls along the screen. There are some functional deficiencies in actual use and there is room for improvement. For example, when crushing materials, the dust and fine material particles brought by the material are easily dissipated outward from the opening of the extended silo under the influence of the airflow brought by the knife holder, which has a greater impact on the working environment and does not have the function of removing dust and suppressing dust.

[0004] Now, a new type of plastic product processing crusher with dust suppression function is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a plastic product processing pulverizer with dust suppression function to solve the problem of lack of dust removal and dust suppression function in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic product processing crusher with dust suppression function, comprising a bottom support plate, the top of the bottom support plate is fixedly connected to an equipment support frame, the top of the equipment support frame is fixedly connected to a crushing bin, the inside of the crushing bin is laterally movably connected to a transmission shaft, the outside of the transmission shaft is fixedly connected to a triangular tool holder, the outside of the triangular tool holder is fixedly connected to three groups of moving knives, the top of the crushing bin is fixedly connected to a feed bin, a feed port is provided at the front end of the feed bin, the tops of both sides of the front end of the feed bin are respectively fixedly connected with concave fixing clamps, a rubber strip hanging rod is laterally fixedly connected between one side of the two groups of concave fixing clamps, the bottom end of the crushing bin is laterally fixedly connected to a discharge barrel, and a dust removal and dust suppression mechanism is provided at the rear end of the feed bin.

[0007] The ash removal and dust suppression mechanism includes a shell, which is arranged at the rear of the feed bin, the front end of the shell is fixedly connected with a flange interface, the top of the shell is vertically plugged with a guide cylinder, the top of the guide cylinder is fixedly connected with a top sealing cover, the front end of the guide cylinder is provided with an ash inlet, and the bottom end of the shell is installed with a negative pressure fan.

[0008] Preferably, a driving motor is provided below the crushing bin, a pulley is fixedly connected to one side of the transmission shaft, two sets of transmission belts are installed between the outside of the pulley and the output end of the driving motor, the front and rear ends inside the bottom support plate are respectively fixedly connected to internal support frames, a screen is fixedly connected between one ends of the internal support frames, a fixed knife is fixedly connected to the top of the internal support frame, and the interiors of the feed bin, shell and flange interface are communicated with each other.

[0009] Preferably, the positions of the flange interface and the ash inlet correspond to each other, and the inner diameters of the flange interface and the ash inlet are consistent.

[0010] Preferably, the outer diameter of the guide tube is consistent with the inner diameter of the shell, and the guide tube can move up and down along the inside of the shell.

[0011] Preferably, a dust collecting bag is movably connected to the bottom of the guide cylinder, and the bottom end of the dust collecting bag is higher than the top end of the negative pressure fan, and the two are not in contact.

[0012] Preferably, a fixing bolt is inserted into one side of the concave fixing clamp, and the fixing bolt passes through the interior of the concave fixing clamp and extends into one side of the feed bin. The concave fixing clamp is symmetrically distributed about the vertical center line of the rubber strip hanging rod.

[0013] Preferably, a plurality of groups of rubber strip slots are provided at the bottom end of the rubber strip hanging rod, a plurality of groups of rubber strip fixing screws are inserted at the front end of the rubber strip hanging rod, blocking rubber strips are inserted inside the rubber strip slots from bottom to top, the rubber strip fixing screws pass through the front end of the rubber strip hanging rod and extend into the interior of the blocking rubber strip, and the rubber strip slots are arranged at equal intervals.

[0014] Preferably, a reducer is fixedly connected to one side of the discharge barrel, a servo motor is installed at the bottom of one side of the reducer, and a spiral feeding auger is laterally movably connected to the inside of the discharge barrel. The outer diameter of the spiral feeding auger is consistent with the inner diameter of the discharge barrel, and the discharge barrel and the spiral feeding auger are the same length.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the plastic product processing pulverizer with dust suppression function not only realizes the function of dust removal and dust suppression, realizes the function of easy replacement of the blind, but also realizes the function of reducing smoke and dust at the discharge position;

[0016] (1) The machine is provided with a shell, a flange interface, a top sealing cover, a guide cylinder, an ash inlet, a dust bag and a negative pressure fan. When in use, the material to be crushed is put in through the feed inlet, the driving motor drives the pulley to rotate at high speed through the transmission belt, the transmission shaft rotates synchronously at high speed under the drive of the pulley, the triangular knife holder outside the transmission shaft rotates at high speed, and high-frequency shearing occurs between the moving knife and the fixed knife, so that the material is quickly cut and crushed, and the crushed material falls along the holes on the screen and is discharged along the discharge barrel. During the feeding and crushing process, the negative pressure fan is started synchronously, and the negative pressure fan discharges the air inside the shell, so that a negative pressure state is formed in the shell, and the air in the feed bin quickly flows into the shell along the flange interface, and the air flowing into the shell enters the guide cylinder through the ash inlet, and falls into the dust bag under the action of wind force. When cleaning later, the top sealing cover can be directly buckled to pull out the guide cylinder, thereby realizing the function of dust removal and dust suppression;

[0017] (2) By providing a concave fixing clamp, fixing bolts, rubber strip hanging rod, rubber strip slot, rubber strip fixing screws and blocking rubber strips, when using, when the material is put into the feed port, the concave fixing clamp is clamped on both sides of the feed port, and the fixing bolts are driven in to fix it. The soft blocking rubber strip at the bottom of the rubber strip hanging rod can prevent the material from splashing out during the crushing process. When a single blocking rubber strip needs to be replaced, the rubber strip fixing screw is directly loosened and pulled out, and the blocking rubber strip can be pulled out along the inside of the rubber strip slot, and a new one is replaced and the rubber strip fixing screw is tightened, thereby realizing the function of easy replacement of the blind;

[0018] (3) By providing a discharge tube, a reducer, a servo motor and a spiral feed auger, when in use, the crushed material falls into the discharge tube, the servo motor is started, and the servo motor drives the spiral feed auger inside the discharge tube to rotate continuously through the reducer, and the material inside the discharge tube is continuously fed out. While continuously discharging the material, the area where the material is scattered is reduced, which is convenient for receiving and reduces the probability of smoke and dust scattering, thereby realizing the function of reducing smoke and dust at the discharge position. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of a partial cross-sectional structure of a crushing bin of the utility model from a side view;

[0021] Figure 3 It is a front view enlarged structural schematic diagram of the housing guide tube of the utility model in a separated state;

[0022] Figure 4 This is an enlarged structural diagram of the rubber strip hanging rod of the utility model when viewed from above;

[0023] Figure 5It is a schematic diagram of an enlarged partial cross-section of the discharge tube of the utility model in a front view.

[0024] In the figure: 1. bottom support plate; 2. equipment support frame; 3. drive motor; 4. transmission belt; 5. crushing bin; 6. pulley; 7. transmission shaft; 8. triangular knife holder; 9. moving knife; 10. internal support frame; 11. screen; 12. fixed knife; 13. feed bin; 14. feed port; 15. shell; 16. flange interface; 17. top sealing cover; 18. guide cylinder; 19. ash inlet; 20. dust bag; 21. negative pressure fan; 22. concave fixing clip; 23. fixing bolt; 24. rubber strip hanging rod; 25. rubber strip slot; 26. rubber strip fixing screw; 27. blocking rubber strip; 28. discharge barrel; 29. ​​reducer; 30. servo motor; 31. spiral feeding auger. DETAILED DESCRIPTION

[0025] 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.

[0026] Example 1: Please refer to Figure 1-5 A plastic product processing pulverizer with dust suppression function comprises a bottom support plate 1, the top of the bottom support plate 1 is fixedly connected to an equipment support frame 2, the top of the equipment support frame 2 is fixedly connected to a crushing bin 5, the inside of the crushing bin 5 is laterally movably connected to a transmission shaft 7, the outside of the transmission shaft 7 is fixedly connected to a triangular tool holder 8, the outside of the triangular tool holder 8 is fixedly connected to three groups of moving knives 9, the top of the crushing bin 5 is fixedly connected to a feed bin 13, the front end of the feed bin 13 is provided with a feed port 14, and the rear end of the feed bin 13 is provided with a dust removal and dust suppression mechanism;

[0027] See also Figure 1-5 A plastic product processing pulverizer with dust suppression function also includes a dust removal and dust suppression mechanism, which includes a shell 15, which is arranged at the rear of the feed bin 13, a flange interface 16 is fixedly connected to the front end of the shell 15, a guide cylinder 18 is vertically plugged into the top of the shell 15, a top sealing cover 17 is fixedly connected to the top of the guide cylinder 18, an ash inlet 19 is arranged at the front end of the guide cylinder 18, and a negative pressure fan 21 is installed at the bottom end of the shell 15;

[0028] A driving motor 3 is arranged below the crushing bin 5, a pulley 6 is fixedly connected to one side of the transmission shaft 7, two sets of driving belts 4 are installed between the outside of the pulley 6 and the output end of the driving motor 3, the front and rear ends of the bottom support plate 1 are respectively fixedly connected to the internal support frame 10, a screen 11 is fixedly connected between one ends of the internal support frame 10, and a fixed knife 12 is fixedly connected to the top of the internal support frame 10, the inside of the feed bin 13, the shell 15, and the flange interface 16 are connected, the positions of the flange interface 16 and the ash inlet 19 correspond, the inner diameters of the flange interface 16 and the ash inlet 19 are consistent, the outer diameter of the guide cylinder 18 is consistent with the inner diameter of the shell 15, the guide cylinder 18 can move up and down along the inside of the shell 15, and the bottom of the guide cylinder 18 is movably connected to a dust bag 20, the bottom end of the dust bag 20 is higher than the top end of the negative pressure fan 21, and the two are not in contact, which can suppress the smoke generated during the crushing process;

[0029] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, the negative pressure fan 21 discharges the air inside the shell 15, and a negative pressure state is formed in the shell 15. The air in the feed bin 13 quickly flows into the shell 15 along the flange interface 16. The air flowing into the shell 15 enters the guide cylinder 18 through the ash inlet 19 and falls into the dust bag 20 under the action of wind. When cleaning later, just buckle the top sealing cover 17 to pull out the guide cylinder 18.

[0030] Embodiment 2: The tops of both sides of the front end of the feed bin 13 are fixedly connected with concave fixing clamps 22 respectively, and a rubber strip hanging rod 24 is transversely fixedly connected between one side of the two groups of concave fixing clamps 22, and a fixing bolt 23 is inserted into one side of the concave fixing clamp 22, and the fixing bolt 23 passes through the interior of the concave fixing clamp 22 and extends into one side of the feed bin 13, and the concave fixing clamp 22 is symmetrically distributed about the vertical center line of the rubber strip hanging rod 24, and a plurality of groups of rubber strip grooves 25 are provided at the bottom end of the rubber strip hanging rod 24, and a plurality of groups of rubber strip fixing screws 26 are inserted at the front end of the rubber strip hanging rod 24, and a blocking rubber strip 27 is inserted from bottom to top inside the rubber strip groove 25, and the rubber strip fixing screw 26 passes through the front end of the rubber strip hanging rod 24 and extends into the interior of the blocking rubber strip 27, and the rubber strip grooves 25 are arranged at equal intervals, which is convenient for disassembly and replacement of rubber strips;

[0031] Specifically, Figure 1 and Figure 4 As shown, the concave fixing clips 22 are clamped on both sides of the feed port 14, and the fixing bolts 23 are driven in to fix them. The soft blocking rubber strip 27 at the bottom of the rubber strip hanging rod 24 can prevent the material from splashing out during the crushing process. When a single blocking rubber strip 27 needs to be replaced, the rubber strip fixing screws 26 are directly loosened and pulled out, and the blocking rubber strip 27 can be pulled out along the inside of the rubber strip slot 25, and a new one is replaced and the rubber strip fixing screws 26 are tightened.

[0032] Embodiment 3: A discharge tube 28 is fixedly connected to the bottom end of the crushing bin 5, a reducer 29 is fixedly connected to one side of the discharge tube 28, a servo motor 30 is installed at the bottom of one side of the reducer 29, and a spiral feeding auger 31 is movably connected to the inside of the discharge tube 28, the outer diameter of the spiral feeding auger 31 is consistent with the inner diameter of the discharge tube 28, and the discharge tube 28 and the spiral feeding auger 31 have the same length, which can discharge materials at a uniform speed, reduce the speed and area of ​​discharge, and reduce the probability of dust dispersion;

[0033] Specifically, Figure 1 and Figure 5 As shown, the servo motor 30 drives the spiral feeding auger 31 inside the discharge tube 28 to rotate continuously through the reducer 29, and continuously delivers the material inside the discharge tube 28 to the outside. While continuously discharging the material, the area where the material is scattered is reduced, which is convenient for receiving and reduces the probability of smoke and dust scattering.

[0034] Working principle: When the utility model is in use, first, the material to be crushed is put in through the feed port 14, the driving motor 3 drives the pulley 6 to rotate at high speed through the transmission belt 4, the transmission shaft 7 rotates synchronously at high speed under the drive of the pulley 6, the triangular knife holder 8 outside the transmission shaft 7 rotates at high speed, and the moving knife 9 and the fixed knife 12 are sheared at high frequency to quickly cut and crush the material, and the crushed material falls along the holes on the screen 11 and is discharged along the discharge barrel 28. During the feeding and crushing process, the negative pressure fan 21 is started synchronously, and the negative pressure fan 21 discharges the air inside the shell 15, and a negative pressure state is formed in the shell 15. The air in the feed bin 13 quickly flows into the shell 15 along the flange interface 16, and the air flowing into the shell 15 enters the guide cylinder 18 through the ash inlet 19, and falls into the dust collecting bag 20 under the action of wind force. When cleaning later, just buckle the top sealing cover 17 to pull out the guide cylinder 18. When the material is put into the feed port 14, the concave fixing clip 22 is clamped on both sides of the feed port 14, and the fixing bolts 23 are driven in to fix it. The soft blocking rubber strip 27 at the bottom of the rubber strip hanging rod 24 can prevent the material from splashing out during the crushing process. When a single blocking rubber strip 27 needs to be replaced, the rubber strip fixing screw 26 is directly loosened and the blocking rubber strip 27 can be pulled out along the inside of the rubber strip slot 25, and a new one is replaced and the rubber strip fixing screw 26 is tightened. The crushed material falls into the inside of the discharge barrel 28, and the servo motor 30 is started. The servo motor 30 drives the spiral feeding auger 31 inside the discharge barrel 28 to rotate continuously through the reducer 29, and the material inside the discharge barrel 28 is continuously sent out. While continuously discharging, the area of ​​material dispersion is reduced, which is convenient for access and reduces the probability of smoke and dust scattering.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic product processing pulverizer with dust suppression function, comprising a bottom support plate (1), characterized in that: The top of the bottom support plate (1) is fixedly connected to an equipment support frame (2), the top of the equipment support frame (2) is fixedly connected to a crushing bin (5), the interior of the crushing bin (5) is laterally movably connected to a transmission shaft (7), the exterior of the transmission shaft (7) is fixedly connected to a triangular knife holder (8), the exterior of the triangular knife holder (8) is fixedly connected to three groups of movable knives (9), the top of the crushing bin (5) is fixedly connected to a feed bin (13), the front end of the feed bin (13) is provided with a feed port (14), the tops of both sides of the front end of the feed bin (13) are respectively fixedly connected to concave fixing clamps (22), a rubber strip hanging rod (24) is laterally fixedly connected between one side of the two groups of concave fixing clamps (22), the bottom end of the crushing bin (5) is laterally fixedly connected to a discharge barrel (28), and the rear end of the feed bin (13) is provided with a dust removal and dust suppression mechanism; The ash removal and dust suppression mechanism comprises a shell (15), the shell (15) is arranged at the rear of the feed bin (13), the front end of the shell (15) is fixedly connected to a flange interface (16), the top end of the shell (15) is vertically plugged with a guide cylinder (18), the top of the guide cylinder (18) is fixedly connected to a top sealing cover (17), the front end of the guide cylinder (18) is provided with an ash inlet (19), and the bottom end of the shell (15) is installed with a negative pressure fan (21).

2. A plastic product processing pulverizer with dust suppression function according to claim 1, characterized in that: A driving motor (3) is arranged below the crushing bin (5), a belt pulley (6) is fixedly connected to one side of the transmission shaft (7), two sets of driving belts (4) are installed between the outside of the belt pulley (6) and the output end of the driving motor (3), the front and rear ends of the bottom support plate (1) are respectively fixedly connected to the internal support frame (10), a screen (11) is fixedly connected between one end of the internal support frame (10), a fixed knife (12) is fixedly connected to the top of the internal support frame (10), and the insides of the feed bin (13), the housing (15) and the flange interface (16) are connected.

3. The pulverizer for processing plastic products with dust suppression function according to claim 1, characterized in that: The positions of the flange interface (16) and the ash inlet (19) correspond to each other, and the inner diameters of the flange interface (16) and the ash inlet (19) are consistent.

4. The pulverizer for processing plastic products with dust suppression function according to claim 1, characterized in that: The outer diameter of the guide tube (18) is consistent with the inner diameter of the shell (15), and the guide tube (18) can move up and down along the inside of the shell (15).

5. The pulverizer for processing plastic products with dust suppression function according to claim 1, characterized in that: The bottom of the guide tube (18) is movably connected to a dust collecting bag (20), and the bottom end of the dust collecting bag (20) is higher than the top end of the negative pressure fan (21), and the two are not in contact.

6. The pulverizer for processing plastic products with dust suppression function according to claim 1, characterized in that: A fixing bolt (23) is inserted into one side of the concave fixing clamp (22), and the fixing bolt (23) passes through the interior of the concave fixing clamp (22) and extends into one side of the feed bin (13). The concave fixing clamp (22) is symmetrically distributed about the vertical center line of the rubber strip hanging rod (24).

7. The pulverizer for processing plastic products with dust suppression function according to claim 1, characterized in that: The bottom end of the rubber strip hanging rod (24) is provided with a plurality of rubber strip slots (25), the front end of the rubber strip hanging rod (24) is plugged with a plurality of rubber strip fixing screws (26), the interior of the rubber strip slots (25) is plugged with blocking rubber strips (27) from bottom to top, the rubber strip fixing screws (26) penetrate the front end of the rubber strip hanging rod (24) and extend into the interior of the blocking rubber strip (27), and the rubber strip slots (25) are arranged at equal intervals.

8. The pulverizer for processing plastic products with dust suppression function according to claim 1, characterized in that: A reducer (29) is fixedly connected to one side of the discharge tube (28), a servo motor (30) is installed at the bottom of one side of the reducer (29), and a spiral feeding auger (31) is movably connected to the inside of the discharge tube (28) in a transverse direction, the outer diameter of the spiral feeding auger (31) is consistent with the inner diameter of the discharge tube (28), and the discharge tube (28) and the spiral feeding auger (31) are of the same length.