Epoxy powder coating dust-free crushing device

Abstract

The dust-free smashing device comprises a smashing box, a smashing mechanism is arranged in the smashing box, a V-shaped material guide plate is arranged below the smashing mechanism, the V-shaped material guide plate is obliquely fixed in the smashing box, an opening of the V-shaped material guide plate is upward, the bottom face of the lowest position of the V-shaped material guide plate is vertically communicated with a material storage box, the tail end of the material storage box is communicated with a discharging valve, and the discharging valve is communicated with the V-shaped material guide plate. A collecting box is arranged under the discharging valve, the bottom face of the collecting box is movably connected with a guide plate, and the guide plate is movably connected into the smashing box. A V-shaped material guide plate is obliquely arranged in a crushing box, the lowest end of the V-shaped material guide plate is communicated with a material storage box, a collecting box movably connected with the crushing box is arranged under the material storage box, the top face of the collecting box is movably connected with a baffle covering a feeding port, and an annular brush plate is arranged in the feeding port. And the function of automatically collecting the smashed epoxy powder is achieved, and the situation that when manual collection is conducted, the epoxy powder drifts everywhere, and unnecessary waste is caused is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of epoxy powder coating production, in particular to a dust-free crushing device for epoxy powder coating. Background Art

[0002] Epoxy powder is a thermosetting, non-toxic coating that forms a high molecular weight cross-linked structure coating after curing. It has excellent chemical corrosion resistance and high mechanical properties, especially the best wear resistance and adhesion. The coating is 100% solid, solvent-free, pollution-free, and the powder utilization rate can reach more than 95%. It is a high-quality anti-corrosion coating for buried steel pipelines.

[0003] In the production process of epoxy polyester powder coatings, large particles need to be crushed, so crushing equipment is needed. However, the existing epoxy polyester powder coating production equipment does not have the function of collecting the ground materials and can only be collected manually. However, when the ground materials are collected manually, the ground materials are easy to fly everywhere, causing unnecessary waste. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a dust-free crushing device for epoxy powder coating.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dust-free crushing device for epoxy powder coating, including a crushing box, the top surface of the crushing box is vertically connected to the hopper, the lower end of one side of the crushing box passes through the feeding port, the feeding port is movably connected with a flap, the lower edge of the flap is fixedly connected to a baffle that fits with the lower edge of the crushing box, a crushing mechanism is provided in the crushing box, a V-shaped guide plate is provided below the crushing mechanism, the V-shaped guide plate is obliquely fixed in the crushing box, and the opening of the V-shaped guide plate faces upward, the lowest bottom surface of the V-shaped guide plate is vertically connected to a storage box, the end of the storage box is connected to a discharge valve, a collecting box is provided directly below the discharge valve, the bottom surface of the collecting box is movably connected to the guide plate, and the guide plate is movably connected in the crushing box.

[0006] As a further description of the above technical solution: the crushing mechanism includes two crushing rollers horizontally rotatably connected to the crushing box, one end of the two crushing rollers is fixedly connected to a gear, the two gears are meshed with each other, the outside of the crushing box is fixedly connected to a machine cover covering the two gears, the outside of the machine cover is horizontally fixed with a crushing motor transmission connected to one of the crushing rollers, the lower edges of the two crushing rollers are jointly attached to a grinding plate, and the grinding plate is located above the V-shaped guide plate.

[0007] As a further description of the above technical solution: the top surface of the grinding plate vertically penetrates a plurality of equally spaced leakage holes, the outside of the crushing box is fixedly connected to the chassis, the outside of the chassis is horizontally fixed with a servo motor, the output end of the servo motor is transmission-connected to a rotating shaft, the rotating shaft rotates through the chassis and is rotatably connected in the chassis, the outer edge of the rotating shaft is fixedly sleeved with a cam, the outer edge of the cam fits a push plate, the push plate is slidably connected to the chassis, the side of the push plate is horizontally fixed with a push rod, the outer edge of the push rod is sleeved with a second spring, the second spring is located between the push plate and the inner wall of the chassis, the end of the push rod slides axially through the chassis, and extends into the crushing box and is horizontally fixed to the grinding plate.

[0008] As a further description of the above technical solution: a feed port is passed through one side of the top surface of the collecting box, and the feed port is located directly below the discharge valve. An annular brush plate is provided in the feed port, and a baffle covering the feed port is provided directly above the feed port. Two mirror-symmetrical slide grooves are laterally opened on the top surface of the collecting box, and a slider is slidably connected in each of the slide grooves. A first spring is commonly fixed between the slider and the slide groove, and the two sliders are fixed to the bottom surface of the baffle. Two mirror-symmetrical top rods are movably connected to one side of the inner wall of the crushing box, and the two top rods are flush with the baffle, and the feed port is located between the two top rods.

[0009] As a further description of the above technical solution: a lifting motor is vertically fixed at each corner of the top surface of the guide plate, and the output end of each lifting motor is transmission-connected to a driving shaft, and a blind hole cooperating with the driving shaft is vertically opened at each corner of the bottom surface of the collecting box, and the driving shaft is movably connected in the blind hole. A through groove passes through the top surface of the other side of the collecting box, and a sealing plate is provided in the through groove.

[0010] As a further description of the above technical solution: two mirror-symmetrical grooves are laterally opened on the bottom surface of the crushing box, a screw sleeve is slidably connected in each of the grooves, a threaded rod is threadedly connected in each of the screw sleeves, one end of the threaded rod is rotatably connected to an inner wall of one side of the groove, and the other end is transmission-connected to a drive motor, and the drive motor is horizontally fixed in the groove.

[0011] The utility model has the following beneficial effects:

[0012] Compared with the prior art, the dust-free pulverizing device for epoxy powder coating has a V-shaped guide plate with an opening upward obliquely arranged in the pulverizing box, and the lowest end of the V-shaped guide plate is connected to a storage box, a collecting box movably connected to the pulverizing box through the guide plate is arranged just below the storage box, a baffle covering the feed port is movably connected to the top surface of the collecting box, and an annular brush plate is arranged in the feed port, so as to realize the function of automatically collecting the pulverized epoxy powder, thereby avoiding the epoxy powder scattering everywhere during manual collection and causing unnecessary waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the overall structure of an epoxy powder coating dust-free pulverizing device proposed by the utility model;

[0014] Figure 2 This is a main cross-sectional view of the overall structure of an epoxy powder coating dust-free pulverizing device proposed by the utility model;

[0015] Figure 3 This is a side sectional view of the overall structure of an epoxy powder coating dust-free pulverizing device proposed by the utility model;

[0016] Figure 4 The utility model provides a dust-free pulverizing device for epoxy powder coating. Figure 2 A magnified view of the structure at center A;

[0017] Figure 5 The utility model provides a dust-free pulverizing device for epoxy powder coating. Figure 4 A magnified view of the structure at B in the middle;

[0018] Figure 6 The utility model provides a dust-free pulverizing device for epoxy powder coating. Figure 4 Enlarged top view of the structure at B in the middle.

[0019] Legend:

[0020] 1. Hopper; 2. Crushing box; 3. Feeding port; 4. Flap; 5. Baffle; 6. Guide plate; 7. Collecting box; 8. Storage box; 9. V-shaped guide plate; 10. Machine cover; 11. Crushing motor; 12. Gear; 13. Crushing roller; 14. Grinding plate; 15. Unloading valve; 16. Baffle; 17. Lifting motor; 18. Groove; 19. Screw sleeve; 20. Threaded rod; 21. Driving motor; 22. Push rod; 23. Feeding port; 24. Annular brush plate; 25. Slide; 26. Sliding block; 27. First spring. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figures 1 to 6 The utility model provides a dust-free pulverizing device for epoxy powder coatings: it includes a pulverizing box 2, the top surface of the pulverizing box 2 is vertically connected to the hopper 1, the lower end of one side of the pulverizing box 2 passes through the material taking port 3, the material taking port 3 is movably connected to the flap 4, the lower edge of the flap 4 is fixedly connected to a baffle 5 that fits the lower edge of the pulverizing box 2, a pulverizing mechanism is arranged in the pulverizing box 2, and a V-shaped material guide plate 9 is arranged below the pulverizing mechanism, the V-shaped material guide plate 9 is obliquely fixed in the pulverizing box 2, and the opening of the V-shaped material guide plate 9 is upward, and the lowest bottom surface of the V-shaped material guide plate 9 is vertically connected to a storage box 8. The end of the storage box 8 is connected to the discharge valve 15. A collection box 7 is arranged directly below the discharge valve 15. The bottom surface of the collection box 7 is movably connected to the guide plate 6. The guide plate 6 is movably connected to the crushing box 2. Two mirror-symmetrical grooves 18 are transversely arranged on the bottom surface of the crushing box 2. A screw sleeve 19 is slidably connected in each groove 18. A threaded rod 20 is threadedly sleeved in each screw sleeve 19. One end of the threaded rod 20 is rotatably connected to an inner wall of one side of the groove 18, and the other end is transmission-connected to a drive motor 21. The drive motor 21 is horizontally fixed in the groove 18.

[0023] A feed port 23 is passed through one side of the top surface of the collecting box 7. The feed port 23 is located directly below the discharge valve 15. An annular brush plate 24 is provided inside the feed port 23. A baffle 16 covering the feed port 23 is provided directly above the feed port 23. Two mirror-symmetrical slide grooves 25 are transversely provided on the top surface of the collecting box 7. A slider 26 is slidably connected in each slide groove 25. A first spring 27 is fixed between the slider 26 and the slide groove 25. Both sliders 26 are fixed to the bottom surface of the baffle 16. Two mirror-symmetrical push rods 22 are movably connected to one side of the inner wall of the crushing box 2. The two push rods 22 are flush with the baffle 16, and the feed port 23 is located between the two push rods 22.

[0024] A lifting motor 17 is vertically fixed at each corner of the top surface of the guide plate 6, and the output end of each lifting motor 17 is connected to a driving shaft. A blind hole matching the driving shaft is vertically opened at each corner of the bottom surface of the collection box 7, and the driving shaft is movably connected in the blind hole. A through groove passes through the top surface of the other side of the collection box 7, and a sealing plate is provided in the through groove.

[0025] A V-shaped guide plate 9 with an upward opening is obliquely arranged in the crushing box 2, and the lowest end of the V-shaped guide plate 9 is connected to the storage box 8. A collecting box 7 movably connected to the crushing box 2 through the guide plate 6 is arranged just below the storage box 8. A baffle 16 covering the feed port 23 is movably connected to the top surface of the collecting box 7. An annular brush plate 24 is arranged in the feed port 23 to realize the function of automatically collecting the crushed epoxy powder, thereby avoiding the epoxy powder from being scattered everywhere during manual collection, thereby causing unnecessary waste.

[0026] The crushing mechanism includes two crushing rollers 13 horizontally rotatably connected to the crushing box 2, one end of each of the two crushing rollers 13 is fixedly sleeved with a gear 12, the two gears 12 are meshed with each other, the outside of the crushing box 2 is fixedly connected to a machine cover 10 covering the two gears 12, the outside of the machine cover 10 is horizontally fixed with a crushing motor 11 connected to one of the crushing rollers 13, the lower edges of the two crushing rollers 13 are jointly attached to a grinding plate 14, and the grinding plate 14 is located above the V-shaped guide plate 9; the top surface of the grinding plate 14 vertically penetrates a plurality of The leakage holes are evenly distributed, and the outside of the crushing box 2 is fixedly connected to the chassis. The outside of the chassis is horizontally fixed with a servo motor. The output end of the servo motor is driven and connected to the rotating shaft. The rotating shaft rotates through the chassis and is rotatably connected in the chassis. The outer edge of the rotating shaft is fixedly sleeved with a cam, and the outer edge of the cam fits the push plate. The push plate is slidably connected to the chassis. The side of the push plate is horizontally fixed with a push rod, and the outer edge of the push rod is sleeved with a second spring. The second spring is located between the push plate and the inner wall of the chassis. The end of the push rod slides axially through the chassis and extends into the crushing box 2 and is horizontally fixed to the grinding plate 14.

[0027] The lower edges of the two crushing rollers 13 are attached with a grinding plate 14, so that the epoxy powder is crushed more finely. At the same time, a plurality of leakage holes are penetrated on the grinding plate 14, and the grinding plate 14 is movably connected to the crushing box 2 through a cam and a second spring, so that the grinding plate 14 can crush and grind the epoxy powder and sieve the ground material at the same time, so that the volume of the ground epoxy powder particles is more uniform.

[0028] Working principle: When in use, the driving motor 21 drives the threaded rod 20 to rotate, and the threaded rod 20 drives the guide plate 6 to move horizontally to one side of the material taking port 3 through the screw sleeve 19, so that the guide plate 6 pushes the flap 4 open and flips upward, and then the collection box 7 is positioned and installed on each driving shaft through the blind hole at the bottom, and then the driving motor 21 rotates in the opposite direction to pull the collection box 7 back into the crushing box 2. When the collection box 7 enters the crushing box 2, the baffle 16 on its top surface first contacts the top rod 22 in the crushing box 2, and the top rod When the collecting box 7 moves into the crushing box 2, the baffle 16 is pushed open, and the first spring 27 is compressed, so that the feed port 23 completely leaks out. When the feed port 23 completely leaks out, the feed port 23 moves just below the discharge valve 15, and then the driving motor 21 stops, and then the lifting electric collecting box 7 is connected to the push rod 22 and rises together, so that the end of the discharge valve 15 extends into the collecting box 7 through the feed port 23, and then the epoxy material to be crushed is put into the crushing box 2 through the hopper 1, and the crushing The roller 13 and the grinding plate 14 crush it, and the cam, the servo motor and the second spring drive the grinding plate 14 to move back and forth. The crushed epoxy powder on the grinding plate 14 is sieved through the leakage holes on the grinding plate 14, and the sieved powder will fall on the V-shaped guide plate 9, and then slide into the storage box through the V-shaped guide plate 9, and then enter the collection box through the discharge valve 15. When the collection box is full (a weighing device can be set in the collection box 7), the discharge valve 15 is closed, and then the lifting motor 17 drives the collection box 7 to go down. When it descends, the annular brush plate 24 in the feed port 23 brushes off the powder adhered to the outside of the discharge valve 15. When the discharge valve 15 is separated from the feed port 23, the driving motor 21 drives the collecting box 7 to move toward the feeding port 3. When the push rod 22 is separated from the baffle 16, the first spring 27 in the compressed state is reset, and at the same time, it drives the cover plate to cover the feed port 23. Then, the collecting box 7 is taken out from the feeding port 3, the sealing plate on the top of the collecting box 7 is removed, and the powder inside is poured out through the through groove.

[0029] 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 dust-free pulverizing device for epoxy powder coating, comprising a pulverizing box (2), the top surface of the pulverizing box (2) being vertically connected to a hopper (1), the lower end of one side of the pulverizing box (2) passing through a material taking port (3), a flap (4) being movably connected inside the material taking port (3), the lower edge of the flap (4) being fixedly connected to a baffle (5) which is in contact with the lower edge of the pulverizing box (2), Features: A pulverizing mechanism is provided in the pulverizing box (2), and a V-shaped material guide plate (9) is provided below the pulverizing mechanism. The V-shaped material guide plate (9) is obliquely fixed in the pulverizing box (2), and the opening of the V-shaped material guide plate (9) faces upward. The lowest bottom surface of the V-shaped material guide plate (9) is vertically connected to a material storage box (8), and the end of the material storage box (8) is connected to a material discharge valve (15). A collection box (7) is provided directly below the material discharge valve (15), and the bottom surface of the collection box (7) is movably connected to a guide plate (6), and the guide plate (6) is movably connected to the pulverizing box (2).

2. The dust-free pulverizing device for epoxy powder coating according to claim 1, Features: The pulverizing mechanism comprises two pulverizing rollers (13) horizontally rotatably connected to the pulverizing box (2), one end of each of the two pulverizing rollers (13) being fixedly sleeved with a gear (12), the two gears (12) being meshed with each other, the outside of the pulverizing box (2) being fixedly connected to a machine cover (10) covering the two gears (12), the outside of the machine cover (10) being horizontally fixed with a pulverizing motor (11) drivingly connected to one of the pulverizing rollers (13), the lower edges of the two pulverizing rollers (13) being jointly attached to a grinding plate (14), the grinding plate (14) being located above the V-shaped guide plate (9).

3. The dust-free pulverizing device for epoxy powder coating according to claim 2, Features: The top surface of the grinding plate (14) is vertically penetrated by a plurality of equally spaced leak holes; the outside of the crushing box (2) is fixedly connected to the chassis; the outside of the chassis is horizontally fixed with a servo motor; the output end of the servo motor is connected to a rotating shaft; the rotating shaft rotates through the chassis and is rotatably connected inside the chassis; the outer edge of the rotating shaft is fixedly sleeved with a cam; the outer edge of the cam fits a push plate; the push plate is slidably connected to the chassis; a push rod is horizontally fixed to the side of the push plate; the outer edge of the push rod is sleeved with a second spring; the second spring is located between the push plate and the inner wall of the chassis; the end of the push rod axially slides through the chassis and extends into the crushing box (2) and is horizontally fixed to the grinding plate (14).

4. The dust-free pulverizing device for epoxy powder coating according to claim 1, Features: A feed port (23) is passed through one side of the top surface of the collecting box (7), and the feed port (23) is located directly below the discharge valve (15). An annular brush plate (24) is provided inside the feed port (23), and a baffle (16) covering the feed port (23) is provided directly above the feed port (23). Two mirror-symmetrical slide grooves (25) are transversely provided on the top surface of the collecting box (7), and a slider (26) is slidably connected in each of the slide grooves (25). A first spring (27) is fixed between the slider (26) and the slide groove (25), and the two sliders (26) are fixed to the bottom surface of the baffle (16). Two mirror-symmetrical push rods (22) are movably connected to one side of the inner wall of the crushing box (2), and the two push rods (22) are flush with the baffle (16), and the feed port (23) is located between the two push rods (22).

5. The dust-free pulverizing device for epoxy powder coating according to claim 1, Features: A lifting motor (17) is vertically fixed at each corner of the top surface of the guide plate (6), and the output end of each lifting motor (17) is connected to a driving shaft in a transmission manner. A blind hole that cooperates with the driving shaft is vertically opened at each corner of the bottom surface of the collection box (7), and the driving shaft is movably connected in the blind hole. A through groove passes through the top surface of the other side of the collection box (7), and a sealing plate is provided in the through groove.

6. The dust-free pulverizing device for epoxy powder coating according to claim 1, Features: The bottom surface of the crushing box (2) is laterally provided with two mirror-symmetrical grooves (18), each of the grooves (18) being slidably connected to a screw sleeve (19), each of the screw sleeves (19) being threadedly connected to a threaded rod (20), one end of the threaded rod (20) being rotatably connected to an inner wall of one side of the groove (18), and the other end being transmission-connected to a drive motor (21), and the drive motor (21) being horizontally fixed in the groove (18).

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