Tabletting and crushing device for production of environment-friendly powder coating

Abstract

The utility model belongs to the technical field of powder coating production, and particularly relates to a tabletting and crushing device for environment-friendly powder coating production, which comprises a case, two tabletting rollers which rotate relatively are arranged in the case, a feeding pipe is arranged on one side of each tabletting roller, the feeding pipe is positioned between the two tabletting rollers, and a feeding pipe is arranged on the other side of each tabletting roller. A feeding pipe is arranged on one side of each tabletting roller, a guide piece is arranged on the other side of each tabletting roller, a crushing roller is arranged below the guide piece, materials melted through an extruder enter the position between the two tabletting rollers through the feeding pipe, the materials are tabletted through the two tabletting rollers, and the flaky materials are guided by the guide piece to reach the crushing roller. Materials are crushed through the crushing rollers, material tabletting box crushing is carried out in the machine box, a large amount of dust generated in the crushing process can be prevented from polluting the environment, the structure is compact, the area occupied by the tabletting and crushing device is reduced, and the device has high working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of powder coating production, in particular to a tablet crushing device for producing environmentally friendly powder coating. Background Art

[0002] Environmentally friendly powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler and additives. Unlike ordinary solvent-based coatings and water-based coatings, its dispersion medium is not solvent and water, but air. It has the characteristics of no solvent pollution, 100% film formation and low energy consumption. The process of powder coating production technology is as follows: first weigh the ingredients, pour the prepared raw materials into the stirring device for stirring, introduce the mixed raw materials into the extruder, melt and mix the raw materials through the extruder, and then press and cool the flakes. The flake materials are coarsely crushed, the coarse powder is ground, and the powder is graded and screened for inspection, and the qualified products are packaged. In the prior art, a large amount of dust often occurs in the process of crushing the flake materials, resulting in a poor working environment and affecting the health of the staff. Utility Model Content

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a tablet crushing device for producing environmentally friendly powder coatings.

[0004] A tabletting and crushing device for producing environmentally friendly powder coatings comprises a chassis, wherein two tabletting rollers rotating relative to each other are arranged inside the chassis, a feed pipe is arranged on one side of the tabletting rollers, and the feed pipe is located between the two tabletting rollers, a guide is arranged on the other side of the tabletting rollers, and a crushing roller is arranged below the guide.

[0005] Furthermore, the chassis is separated into a tablet pressing chamber and an electrical installation chamber by a partition in the middle, and a driving mechanism for driving the tablet pressing roller and the crushing roller to rotate is provided in the electrical installation chamber.

[0006] Furthermore, the guide member is fixedly mounted on the partition and is located near the sheet pressing roller below. A cavity is provided inside the guide member. The top of the guide member is an inclined guide plate. The side of the guide member close to the sheet pressing roller is adapted to the shape of the sheet pressing roller.

[0007] Furthermore, the guide plate is provided with an air outlet hole, and the cavity of the guide member is connected to the air supply device through an air inlet pipe.

[0008] Furthermore, two relatively rotating crushing rollers are arranged below the guide member, and multiple groups of crushing knives are evenly distributed on the crushing rollers along their axial direction. The multiple crushing knives in the same group are distributed in a ring shape with the central axis of the crushing roller as the center, and the crushing knives on the two crushing rollers are cross-distributed.

[0009] Furthermore, a scraper is provided on the partition near the upper portion of the sheeting roller, and a side of the scraper near the sheeting roller is adapted to the shape of the sheeting roller.

[0010] Furthermore, a door is provided at the open end of the chassis.

[0011] Furthermore, a collecting box is provided on the periphery of the crushing roller, and the collecting box and the partition plate are enclosed to form a material discharge channel.

[0012] Due to the adoption of the above technical scheme, the beneficial technical effect of the utility model is as follows: in the utility model, the material melted by the extruder enters between the two tableting rollers through the feed pipe, the material is tableted by the two tableting rollers, the sheet material is guided by the guide member to the crushing roller, and is crushed by the crushing roller, the tableting box of the material is crushed in the chassis, and a large amount of dust pollution to the environment can be prevented during the crushing process, the structure is compact, the area occupied by the tableting and crushing devices is reduced, and the device has a high working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a tablet crushing device for producing environmentally friendly powder coatings according to the utility model;

[0014] Figure 2 This is a front view of a tablet crushing device for environmentally friendly powder coating production according to the utility model;

[0015] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure in the AA direction;

[0016] Figure 4 This is a side view of a tablet crushing device for environmentally friendly powder coating production according to the utility model;

[0017] Figure 5 For this utility model Figure 4 Schematic diagram of the cross-sectional structure along the BB direction.

[0018] In the figure, 1 is a machine case, 2 is a tabletting roller, 3 is a feed pipe, 4 is a guide, 5 is a crushing roller, 6 is a partition, 7 is a tabletting chamber, 8 is an electrical installation chamber, 9 is a guide plate, 10 is an air outlet, 11 is an air inlet pipe, 13 is a crushing knife, 14 is a scraper, 15 is a chamber door, and 16 is a collecting box. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0020] according to Figure 1-5 As shown, a tableting and crushing device for environmentally friendly powder coating production includes a chassis 1, wherein two relatively rotating tableting rollers 2 are arranged inside the chassis 1, a feed pipe 3 is arranged on one side of the tableting roller 2, and the feed pipe 3 is located between the two tableting rollers 2, a guide member 4 is arranged on the other side of the tableting roller 2, and a crushing roller 5 is arranged below the guide member 4.

[0021] In the above specific technical scheme, the tableting box and crushing of the material are carried out in the chassis 1, which can prevent a large amount of dust from polluting the environment during the crushing process. The structure is compact, the area occupied by the tableting and crushing devices is reduced, and the device has a high working efficiency.

[0022] The material melted by the extruder enters between the two flaking rollers 2 through the feed pipe 3, and the material is flaked by the two flaking rollers 2. The flaked material is guided by the guide member 4 to the crushing roller 5, and is crushed by the crushing roller 5.

[0023] The chassis 1 is separated into a tablet pressing chamber 7 and an electrical installation chamber 8 by a partition plate 6 in the middle. A driving mechanism for driving the tablet pressing roller 2 and the crushing roller 5 to rotate is arranged in the electrical installation chamber 8 .

[0024] The guide member 4 is fixedly mounted on the partition 6 and is located near the sheeting roller 2 below. A cavity is provided inside the guide member 4. The top of the guide member 4 is an inclined guide plate 9. The side of the guide member 4 close to the sheeting roller 2 is adapted to the shape of the sheeting roller 2. On the one hand, the guide member 4 can clean up the material adhering to the upper sheeting roller 2. On the other hand, the inclined guide plate 9 of the guide member 4 can guide the direction of the material to facilitate its crushing.

[0025] The guide plate 9 is provided with an air outlet 10, and the cavity of the guide member 4 is connected to the air supply device through an air inlet pipe 11. Blowing air onto the sheet material through the air outlet 10 is beneficial to cooling the material and improving the material crushing effect.

[0026] Two relatively rotating crushing rollers 5 are arranged below the guide member 4, and a plurality of groups of crushing knives 13 are evenly distributed on the crushing rollers 5 along the axial direction thereof. The plurality of crushing knives 13 in the same group are distributed in a ring shape with the central axis of the crushing roller 5 as the center. The crushing knives 13 on the two crushing rollers 5 are cross-distributed, and the two crushing rollers 5 cooperate to crush the materials.

[0027] A scraper 14 is provided on the partition 6 near the upper sheeting roller 2. The side of the scraper 14 near the sheeting roller 2 is adapted to the shape of the sheeting roller 2. By providing the scraper 14, the material adhering to the upper sheeting roller 2 can be scraped off.

[0028] The open end of the chassis 1 is provided with a door 15 to facilitate the additional maintenance of the device. Preferably, the chassis 1 is transparent so that the working condition of the device can be observed.

[0029] A collecting box 16 is provided on the outer periphery of the crushing roller 5. The collecting box 16 and the partition plate 6 enclose a material discharge channel. The crushed material falls through the material discharge channel, which is convenient for collecting the material.

[0030] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A tablet crushing device for environmentally friendly powder coating production, comprising a chassis (1), characterized in that: Two relatively rotating flaking rollers (2) are arranged inside the chassis (1); a feeding pipe (3) is arranged on one side of the flaking roller (2); the feeding pipe (3) is located between the two flaking rollers (2); a guide member (4) is arranged on the other side of the flaking roller (2); and a crushing roller (5) is arranged below the guide member (4).

2. The tablet crushing device for producing environmentally friendly powder coatings according to claim 1, characterized in that: The chassis (1) is separated into a tablet pressing chamber (7) and an electrical installation chamber (8) by a partition plate (6) in the middle. A driving mechanism for driving a tablet pressing roller (2) and a crushing roller (5) to rotate is arranged in the electrical installation chamber (8).

3. The tablet crushing device for producing environmentally friendly powder coatings according to claim 2, characterized in that: The guide member (4) is fixedly mounted on the partition (6) and is located close to the sheet pressing roller (2) below. A cavity is provided inside the guide member (4). The top of the guide member (4) is an inclined guide plate (9). The side of the guide member (4) close to the sheet pressing roller (2) is adapted to the shape of the sheet pressing roller (2).

4. The tablet crushing device for producing environmentally friendly powder coatings according to claim 3 is characterized in that: The guide plate (9) is provided with an air outlet hole (10), and the cavity of the guide member (4) is connected to the air supply device via an air inlet pipe (11).

5. The tablet crushing device for producing environmentally friendly powder coatings according to claim 4, characterized in that: Two relatively rotating crushing rollers (5) are arranged below the guide member (4), and a plurality of groups of crushing knives (13) are evenly distributed along the axial direction of the crushing roller (5). The plurality of crushing knives (13) in the same group are distributed in a ring shape with the central axis of the crushing roller (5) as the center, and the crushing knives (13) on the two crushing rollers (5) are distributed crosswise.

6. The tablet crushing device for producing environmentally friendly powder coatings according to claim 5, characterized in that: A scraper (14) is provided on the partition (6) near the upper portion of the sheet pressing roller (2), and a side of the scraper (14) close to the sheet pressing roller (2) is adapted to the shape of the sheet pressing roller (2).

7. The tablet crushing device for producing environmentally friendly powder coatings according to claim 6, characterized in that: The open end of the cabinet (1) is provided with a cabinet door (15).

8. The tablet crushing device for producing environmentally friendly powder coatings according to claim 7, characterized in that: A collecting box (16) is provided on the outer periphery of the crushing roller (5), and the collecting box (16) and the partition plate (6) are enclosed to form a material discharge channel.

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