High-phosphorus powder coating grinding device

Abstract

The utility model relates to the technical field of powder coating production, in particular to a high-phosphorus powder coating grinding device. A feeding pipe is arranged at the upper end of the grinding box; two crushing rollers are rotationally arranged on the inner side of the grinding box, and a power mechanism A used for enabling the two crushing rollers to rotate in opposite directions is mounted on the grinding box; a plurality of sawteeth are arranged on the opposite sides of the two moving plates, and a power assembly A used for driving the two moving plates to move in opposite directions is installed on the grinding box; and the two grinding rollers are rotationally installed at the bottom of the inner side of the grinding box, and a power mechanism B used for driving the two grinding rollers to rotate in the opposite directions is installed on the grinding box. According to the utility model, a plurality of groups of crushing mechanisms are arranged, so that the raw materials can be crushed step by step, and the crushed raw materials are finer and smoother.

Description

Technical Field

[0001] The utility model relates to the technical field of powder coating production, in particular to a grinding device for high-phosphorus powder coating. Background Art

[0002] Powder coating is a solid powder synthetic resin coating composed of solid resin, pigments, fillers, and additives. Different from ordinary solvent-based coatings and water-based coatings, it has the characteristics of no solvent pollution, 100% film formation, and low energy consumption. Powder coatings are mainly divided into two categories: thermosetting powder coatings and thermosetting powder coatings.

[0003] A Chinese patent with the authorization announcement number CN207204299U discloses a powder coating grinding device, specifically related to the field of powder coating production devices, including a base, a grinding tank, a cover plate, and a fixed column. The fixed column is vertically arranged on the base, the grinding tank is arranged on the base, the cover plate is arranged above the opening of the grinding tank, one end of the cover plate is hinged to the fixed column, a first motor is arranged on one side of the upper surface of the cover plate, a grinding column is arranged on one side of the lower surface of the cover plate, the driving shaft of the first motor is connected to the grinding column, and a plurality of grinding plates are arranged on the periphery of the grinding column; a second motor is also arranged on the base, a rotating shaft is arranged at the bottom end of the grinding tank, the driving shaft of the second motor is connected to the rotating shaft, and the rotating directions of the grinding column and the grinding tank are opposite.

[0004] The above-mentioned disclosed patent still has the following technical defects: When the grinding device is grinding, it is a one-time grinding. Due to the large workload, the wear is serious, which will reduce the service life of the device. Content of the Utility Model

[0005] The purpose of the utility model is to propose a grinding device for high-phosphorus powder coating aiming at the problems existing in the background art.

[0006] The technical solution of the utility model, a grinding device for high-phosphorus powder coating, includes:

[0007] A grinding box with a feed pipe at the upper end;

[0008] Two crushing rollers rotate inside the grinding box, and a power mechanism A for the two crushing rollers to rotate in opposite directions is installed on the grinding box;

[0009] Two moving plates are located below the crushing rollers. A plurality of sawteeth are arranged on the relative sides of the two moving plates, and a power component A for driving the two moving plates to move in opposite directions is installed on the grinding box;

[0010] Two grinding rollers are rotatably installed at the inner bottom of the grinding box. A power mechanism B for driving the two grinding rollers to rotate in opposite directions is installed on the grinding box. A number of annular grooves are evenly arranged on the two grinding rollers, and the annular grooves on both sides are arranged at intervals and staggered with each other.

[0011] Preferably, a plurality of legs are fixed to the bottom end of the grinding box. Sprayers are slidably installed on both sides inside the grinding box. A power assembly B for driving the two sprayers to lift synchronously is installed on the grinding box. A water tank and two water pumps are installed at the bottom end of the grinding box. The input ends of the two water pumps are communicated with the inside of the water tank. The output ends of the two water pumps are respectively connected with a hose A, and the output ends of the two hoses A are respectively connected with the sprayers on both sides. Two hot air blowers are also installed at the bottom end of the grinding box. The output ends of the two hot air blowers are respectively connected with a hose B, and the output ends of the two hoses B are respectively connected with the sprayers on both sides.

[0012] Preferably, the power assembly B includes a servo motor, two chains, two lead screws and two sprockets. The two lead screws are respectively rotatably installed on both sides inside the grinding box. The two sprayers are respectively threadedly connected with the lead screws on both sides. The servo motor is installed on the grinding box and its output shaft is connected with one of the lead screws. The two sprockets are respectively fixed on the lead screws on both sides, and the two chains are connected through the sprockets to achieve transmission connection.

[0013] Preferably, a funnel A and a funnel B are installed inside the grinding box, and the funnel A and the funnel B are respectively located above and below the crushing roller.

[0014] Preferably, the power assembly A includes a linear driving mechanism, a gear and two racks. A support frame is fixed to the outside of the grinding box. The gear is rotatably installed on the support frame. The two racks are respectively fixedly connected with the two moving plates, and both racks are meshed with the gear. The linear driving mechanism is installed on the support frame and its output shaft is connected with one of the racks.

[0015] Preferably, a discharge inclined plate is inclined below the grinding roller. A discharge hole is opened at the bottom end of the grinding box, and the bottom end of the discharge inclined plate passes through the discharge hole.

[0016] Compared with the prior art, the utility model has the following beneficial technical effects: Start the power mechanism A to drive the two crushing rollers to rotate, so as to realize the preliminary crushing of the raw materials. The raw materials after preliminary crushing fall between the two moving plates. The power assembly A drives the two moving plates to move in opposite directions, and then drives the saw teeth on both sides to move. The saw teeth can realize the further crushing of the raw materials. Subsequently, the raw materials fall between the two grinding rollers again. The power mechanism B drives the two grinding rollers to rotate in opposite directions, and the two grinding rollers bite each other, so as to realize the further grinding of the raw materials. In summary, the utility model can realize the step-by-step crushing of the raw materials by setting multiple sets of crushing mechanisms, making the crushing of the raw materials more delicate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 and Figure 2 are all schematic structural diagrams of the present utility model.

[0018] Figure 3 is a sectional structural diagram of the present utility model.

[0019] Figure 4 is a schematic structural diagram of the moving plate, saw teeth and grinding roller in the present utility model.

[0020] Reference numerals: 1, grinding box; 101, discharge hole; 2, funnel A; 3, crushing roller; 4, funnel B; 5, moving plate; 6, grinding roller; 601, annular groove; 7, discharge inclined plate; 8, leg; 9, power mechanism A; 10, power mechanism B; 111, rack; 112, gear; 113, linear drive mechanism; 12, servo motor; 13, lead screw; 14, spray head; 151, sprocket; 152, chain; 16, water tank; 17, water pump; 171, hose A; 18, hot air blower; 181, hose B; 19, support frame; 20, feed pipe; 21, saw teeth. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Embodiment 1

[0022] As Figures 1 - 4 shown, a high-phosphorus powder coating grinding device proposed in this embodiment includes a grinding box 1, two moving plates 5 and two grinding rollers 6.

[0023] The upper end of the grinding box 1 is provided with a feed pipe 20; two crushing rollers 3 are rotatably arranged inside the grinding box 1, and a power mechanism A9 for driving the two crushing rollers 3 to rotate in opposite directions is installed on the grinding box 1; the moving plates 5 are located below the crushing rollers 3, and a number of saw teeth 21 are arranged on the opposite sides of the two moving plates 5. A power assembly A for driving the two moving plates 5 to move in opposite directions is installed on the grinding box 1. The power assembly A includes a linear driving mechanism 113, a gear 112 and two racks 111. A support frame 19 is fixed on the outer side of the grinding box 1, the gear 112 is rotatably installed on the support frame 19, the two racks 111 are respectively fixedly connected with the two moving plates 5, and the two racks 111 are both meshed with the gear 112. The linear driving mechanism 113 is installed on the support frame 19 and its output shaft is connected with one of the racks 111; the two grinding rollers 6 are both rotatably installed at the inner bottom of the grinding box 1, and a power mechanism B10 for driving the two grinding rollers 6 to rotate in opposite directions is installed on the grinding box 1. A number of annular grooves 601 are equally spaced on the two grinding rollers 6, and the annular grooves 601 on both sides are arranged at intervals and staggered with each other; a discharge inclined plate 7 is obliquely arranged below the grinding roller 6, and a discharge hole 101 is opened at the bottom end of the grinding box 1, and the bottom end of the discharge inclined plate 7 passes through the discharge hole 101.

[0024] A funnel A2 and a funnel B4 are installed inside the grinding box 1. The funnel A2 and the funnel B4 are respectively located above and below the crushing rollers 3. The arranged funnel A2 and funnel B4 can prevent the raw materials from leaking out.

[0025] In this embodiment, the raw materials are put into the interior of the grinding box 1 through the feed pipe 20. The raw materials fall between the two crushing rollers 3. The power mechanism A9 is started to drive the two crushing rollers 3 to rotate, so as to realize the preliminary crushing work of the raw materials. The raw materials after preliminary crushing fall between the two moving plates 5. The power assembly A drives the two moving plates 5 to move in opposite directions, and then drives the saw teeth 21 on both sides to move. The saw teeth 21 can realize the further crushing of the raw materials. Subsequently, the raw materials fall between the two grinding rollers 6 again. The power mechanism B10 drives the two grinding rollers 6 to rotate in opposite directions, and the two grinding rollers 6 bite each other, so as to realize the further grinding work of the raw materials and improve the crushing effect of the raw materials.

[0026] Embodiment Two

[0027] As Figure 3As shown in the figure, a high-phosphorus powder coating grinding device proposed in this embodiment. Compared with the first embodiment, in this embodiment, a plurality of legs 8 are fixed to the bottom end of the grinding box 1. Spray heads 14 are slidably installed on both sides inside the grinding box 1. A power assembly B for driving the two spray heads 14 to lift synchronously is installed on the grinding box 1. The power assembly B includes a servo motor 12, two chains 152, two lead screws 13 and two sprockets 151. The two lead screws 13 are respectively rotatably installed on both sides inside the grinding box 1. The two spray heads 14 are respectively threadedly connected to the lead screws 13 on both sides. The servo motor 12 is installed on the grinding box 1 and its output shaft is connected to the lead screw 13 on any one side. The two sprockets 151 are respectively fixed to the lead screws 13 on both sides, and the two chains 152 are connected through the sprockets 151 to achieve transmission connection. A water tank 16 and two water pumps 17 are installed at the bottom end of the grinding box 1. The input ends of the two water pumps 17 are communicated with the inside of the water tank 16. The output ends of the two water pumps 17 are both connected with a hose A171. The output ends of the two hoses A171 are respectively connected to the spray heads 14 on both sides. Two hot air blowers 18 are also installed at the bottom end of the grinding box 1. The output ends of the two hot air blowers 18 are both connected with a hose B181. The output ends of the two hoses B181 are respectively connected to the spray heads 14 on both sides.

[0028] In this embodiment, the power assembly B is provided to drive the spray heads 14 on both sides to move up and down. First, start the water pump 17 to work. The water pump 17 pumps the water inside the water tank 16 into the spray heads 14 and finally sprays it into the inside of the grinding box 1, so as to realize the cleaning work of the parts inside the grinding box 1. Then, turn off the water pump 17 and turn on the hot air blower 18. The hot air blower 18 conveys the hot air into the inside of the grinding box 1, so as to dry the inside of the grinding box 1. Check valves can be installed on the hoses A171 and B181 to only allow gas or liquid to flow out.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to this. Various changes can be made without departing from the gist of the present invention within the knowledge scope of those skilled in the art to which the present invention pertains.

Claims

1. A high-phosphorus powder coating grinding device, characterized in that, Comprising: A grinding box (1) with a feed pipe (20) at its upper end; Two crushing rollers (3) are rotatably arranged inside the grinding box (1), and a power mechanism A (9) for driving the two crushing rollers (3) to rotate in opposite directions is installed on the grinding box (1); Two moving plates (5), the moving plates (5) are located below the crushing rollers (3), a plurality of sawteeth (21) are arranged on the opposite sides of the two moving plates (5), and a power assembly A for driving the two moving plates (5) to move in opposite directions is installed on the grinding box (1); Two grinding rollers (6), the two grinding rollers (6) are rotatably installed at the inner bottom of the grinding box (1), a power mechanism B (10) for driving the two grinding rollers (6) to rotate in opposite directions is installed on the grinding box (1), and a plurality of annular grooves (601) are equidistantly arranged on the two grinding rollers (6), and the annular grooves (601) on both sides are arranged at intervals and staggered with each other.

2. The high-phosphorus powder coating grinding device according to claim 1, wherein, A plurality of legs (8) are fixed at the bottom end of the grinding box (1), spray heads (14) are slidably installed on both sides inside the grinding box (1), a power assembly B for driving the two spray heads (14) to lift synchronously is installed on the grinding box (1), a water tank (16) and two water pumps (17) are installed at the bottom end of the grinding box (1), the input ends of the two water pumps (17) are communicated with the inside of the water tank (16), the output ends of the two water pumps (17) are respectively connected with a hose A (171), the output ends of the two hoses A (171) are respectively connected with the spray heads (14) on both sides, and two hot air blowers (18) are also installed at the bottom end of the grinding box (1), the output ends of the two hot air blowers (18) are respectively connected with a hose B (181), and the output ends of the two hoses B (181) are respectively connected with the spray heads (14) on both sides.

3. A high-phosphorus powder coating grinding device according to claim 2, characterized in that, The power assembly B includes a servo motor (12), a chain (152), two lead screws (13) and two sprockets (151), the two lead screws (13) are respectively rotatably installed on both sides inside the grinding box (1), the two spray heads (14) are respectively threadedly connected with the lead screws (13) on both sides, the servo motor (12) is installed on the grinding box (1) and its output shaft is connected with one of the lead screws (13), the two sprockets (151) are respectively fixed on the lead screws (13) on both sides, and the two chains (152) are drivingly connected through the sprockets (151).

4. A high-phosphorus powder coating grinding device according to claim 1, characterized in that, A funnel A (2) and a funnel B (4) are installed inside the grinding box (1), and the funnel A (2) and the funnel B (4) are respectively located above and below the crushing rollers (3).

5. The grinding device for high-phosphorus powder coatings according to claim 1, wherein The power assembly A includes a linear driving mechanism (113), a gear (112) and two racks (111), a support frame (19) is fixed on the outside of the grinding box (1), the gear (112) is rotatably installed on the support frame (19), the two racks (111) are respectively fixedly connected with the two moving plates (5), and the two racks (111) are both meshed with the gear (112), and the linear driving mechanism (113) is installed on the support frame (19) and its output shaft is connected with one of the racks (111).

6. The grinding device for high-phosphorus powder coatings according to claim 1, characterized in that, A discharge inclined plate (7) is inclinedly arranged below the grinding roller (6). A discharge hole (101) is formed at the bottom end of the grinding box (1), and the bottom end of the discharge inclined plate (7) passes through the discharge hole (101).

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