Dustproof grinding machine for powder coating production

Abstract

The utility model discloses a dust-proof grinding machine for powder coating production, which relates to the technical field of dust grinding and comprises a grinding cover, the inner side wall of the grinding cover is of an inclined structure, a movable cover is arranged at the top end in the grinding cover and is of a boss structure, an annular seat is fixedly arranged at the bottom end of the inner side of the movable cover, and the annular seat is of an annular structure. A plurality of grinding rollers are arranged at the bottom end of the annular base in a surrounding mode through bearings, and the grinding rollers are of a conical structure. According to the powder coating grinding device, the grinding cover is arranged, the movable cover capable of rotating is arranged in the grinding cover, the multiple grinding rollers are arranged at the bottom end of the movable cover, and the grinding rollers are matched with the inner wall of the grinding cover, so that powder coating can be ground; when the material guide seat rotates along with the movable cover, the materials can be thrown out, so that continuous processing of the materials can be realized, and the grinding effect of the materials is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust grinding, in particular to a dust-proof grinding machine for powder coating production. Background Technique

[0002] Powder coatings are in a completely different form from general coatings and exist in the form of fine powders. Powder coatings are mainly divided into two categories: thermosetting powder coatings and thermoplastic powder coatings. Thermoplastic powder coatings are composed of components such as thermoplastic resins, pigments, fillers, plasticizers, and stabilizers. Thermoplastic powder coatings include polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide series, cellulose series, and polyester series. Thermosetting powder coatings are composed of thermosetting resins, curing agents, pigments, seasonings, and additives. Thermosetting powder coatings include epoxy resin series, polyester series, and acrylic resin series. The processing steps of powder coatings are generally as follows: first, the above-mentioned various raw materials are mixed in a certain proportion, and then made through process equipment such as hot extrusion and crushing and sieving. Before use, it needs to be heated and baked to melt and cure to form a smooth and bright permanent coating film to achieve the purposes of decoration and anti-corrosion.

[0003] A powder coating grinding machine with the publication number of CN206838190U relates to the field of powder coating production equipment. The powder coating grinding machine includes a machine body and a motor arranged at the bottom of the machine body. The machine body is connected to a feed pipe, an air inlet pipe, and a discharge pipe. The machine body has a grinding chamber and a sealing cover. An air suction fan is arranged in the discharge pipe, a negative pressure fan is arranged in the air inlet pipe, and a through hole for the discharge pipe to pass through is arranged on the sealing cover; at least two grinding disks are arranged at intervals along the rotation axis inside the grinding chamber, and the motor drives at least two grinding disks to rotate synchronously through the rotation axis. The machine body is a conical cylinder with a wider upper part and a narrower lower part. The diameters of at least two grinding disks decrease sequentially from top to bottom, and the outer peripheral surface of the grinding disk is provided with a concave-convex structure. The powder coating grinding machine of the utility model has a simple structure, good grinding effect, high grinding efficiency, long service life, and low processing cost.

[0004] The above technical solution has some problems in practical applications. When grinding the coating, it is difficult to achieve continuous cyclic grinding of the coating. The coating is easy to accumulate at the bottom of the device after one-time grinding, and it is difficult to adjust the grinding effect of the coating according to actual needs.

[0005] Therefore, it is very necessary to invent a dust-proof grinding machine for powder coating production to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide a dust-proof grinding machine for powder coating production to solve the problems raised in the above background technique.

[0007] To achieve the above object, the present utility model provides the following technical solution: A dust-proof grinding machine for powder coating production, including a grinding cover, the inner side wall of the grinding cover is arranged in an inclined structure, an activity cover is arranged at the top end inside the grinding cover, and the activity cover is arranged in a boss structure. A ring seat is fixedly arranged at the bottom end inside the activity cover, and a plurality of grinding rollers are arranged around the bottom end of the ring seat through bearings, and the grinding rollers are arranged in a conical structure. A hexagonal shaft is fixedly arranged in the middle of the activity cover, a material guiding seat is arranged at the bottom end of the hexagonal shaft, the material guiding seat is arranged in a boss shape, and a slot corresponding to the hexagonal shaft is penetrated and opened in the middle of the material guiding seat. A threaded sleeve is movably arranged at the middle of the bottom end of the material guiding seat through a bearing, an adjusting screw rod is penetrated inside the threaded sleeve, and the adjusting screw rod is fixedly arranged at the bottom end of the hexagonal shaft. A plurality of guide plates are arranged around the outer side wall of the material guiding seat, a sliding sealing ring is fixedly arranged at the bottom end of the outer side wall of the material guiding seat, and the sliding sealing ring is attached to the bottom end of the inner side wall of the grinding cover.

[0008] Preferably, a transmission shaft is fixedly arranged at the middle of the top end of the activity cover, and the transmission shaft penetrates through the top end of the grinding cover.

[0009] Preferably, a support is movably arranged at the top end of the transmission shaft through a bearing, a driving motor is fixedly arranged at the middle of the upper surface of the support, and an output shaft of the driving motor is fixedly connected to the top end of the transmission shaft.

[0010] Preferably, a plurality of through holes are formed around the upper surface of the support, a support screw rod is penetrated inside the through holes, two nuts are threadedly arranged on the outer side of the support screw rod, and the two nuts are respectively arranged on both sides of the support.

[0011] Preferably, a fixing seat is fixedly arranged at the bottom end of the support screw rod, and the fixing seat is fixedly arranged at the top end of the grinding cover. A feeding hopper penetrates through the top end of the outer side wall of the grinding cover.

[0012] Preferably, a plurality of material guiding plates are arranged around the outer side wall of the activity cover.

[0013] The technical effects and advantages of the present utility model:

[0014] 1. By setting the grinding cover, an activity cover that can rotate is arranged inside the grinding cover, and a plurality of grinding rollers are arranged at the bottom end of the activity cover. The grinding rollers cooperate with the inner wall of the grinding cover to realize the grinding process of the powder coating. By arranging a conical material guiding seat below the activity cover, when the material guiding seat rotates following the activity cover, the material can be thrown outwards, so as to realize the continuous processing of the material and improve the grinding effect of the material.

[0015] 2. The utility model is provided with a movable cover. A transmission shaft is arranged at the top end of the movable cover, and a support is arranged at the top end of the transmission shaft. A support screw and a nut are arranged between the support and the grinding cover. By adjusting the position of the nut, the height of the support can be adjusted, and further the height of the grinding roller can be adjusted to achieve the purpose of adjusting the grinding effect of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the movable cover of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the material guiding seat of the utility model.

[0020] In the figure: 1, grinding cover; 2, movable cover; 3, annular seat; 4, grinding roller; 5, hexagonal shaft; 6, material guiding seat; 7, slot; 8, threaded sleeve; 9, adjusting screw; 10, guide plate; 11, sliding sealing ring; 12, transmission shaft; 13, support; 14, drive motor; 15, through hole; 16, support screw; 17, fixed seat; 18, feeding hopper; 19, material guiding plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] The present utility model provides a dust-proof grinder for powder coating production as Figures 1-4 shown, which includes a grinding cover 1. The inner side wall of the grinding cover 1 is arranged as an inclined structure. A movable cover 2 is arranged at the inner top end of the grinding cover 1, and the movable cover 2 is arranged as a boss structure. A plurality of material guiding plates 19 are arranged around the outer side wall of the movable cover 2. A ring seat 3 is fixedly arranged at the inner bottom end of the movable cover 2. A plurality of grinding rollers 4 are arranged around the bottom end of the ring seat 3 through bearings, and the grinding rollers 4 are arranged as a conical structure. The conical structure ensures the cooperation between the grinding rollers 4 and the inclined inner wall of the grinding cover 1;

[0023] Specifically, a hexagonal shaft 5 is fixedly arranged in the middle of the movable cover 2. A material guiding seat 6 is arranged at the bottom end of the hexagonal shaft 5. The material guiding seat 6 is arranged in a boss-shaped structure, and a slot 7 corresponding to the hexagonal shaft 5 is formed through the middle of the material guiding seat 6. A threaded sleeve 8 is movably arranged at the middle of the bottom end of the material guiding seat 6 through a bearing. An adjusting screw rod 9 is arranged through the inside of the threaded sleeve 8, and the adjusting screw rod 9 is fixedly arranged at the bottom end of the hexagonal shaft 5. By rotating the threaded sleeve 8, the threaded sleeve 8 cooperates with the adjusting screw rod 9 to realize the adjustment of the position of the material guiding seat 6;

[0024] More specifically, a plurality of guide plates 10 are arranged around the outer side wall of the material guiding seat 6. A sliding sealing ring 11 is fixedly arranged at the bottom end of the outer side wall of the material guiding seat 6, and the sliding sealing ring 11 is attached to the bottom end of the inner side wall of the grinding cover 1. The arrangement of the sliding sealing ring 11 ensures the sealing effect between the material guiding seat 6 and the grinding cover 1;

[0025] And, a transmission shaft 12 is fixedly arranged in the middle of the top end of the movable cover 2, and the transmission shaft 12 is arranged through the top end of the grinding cover 1. A support 13 is movably arranged at the top end of the transmission shaft 12 through a bearing. A driving motor 14 is fixedly arranged in the middle of the upper surface of the support 13, and the output shaft of the driving motor 14 is fixedly connected to the top end of the transmission shaft 12;

[0026] Moreover, a plurality of through holes 15 are formed around the upper surface of the support 13. A support screw rod 16 is arranged through the inside of the through holes 15. Two nuts are arranged in a threaded manner on the outer side of the support screw rod 16, and the two nuts are respectively arranged on both sides of the support 13. By adjusting the positions of the nuts, the position of the support 13 can be adjusted, so that the height of the grinding roller 4 can be adjusted to control the distance between the grinding roller 4 and the grinding cover 1, thereby achieving the purpose of controlling the grinding effect;

[0027] At the same time, a fixing seat 17 is fixedly arranged at the bottom end of the support screw rod 16, and the fixing seat 17 is fixedly arranged at the top end of the grinding cover 1. A feeding hopper 18 is arranged through the top end of the outer side wall of the grinding cover 1. The arrangement of the feeding hopper 18 facilitates the feeding of materials.

[0028] The working principle of the utility model:

[0029] When the device is in use, the material to be ground is put into the grinding cover 1 through the feeding hopper 18. The material falls above the movable cover 2, and the driving motor 14 is started. The driving motor 14 drives the transmission shaft 12 to rotate, and the transmission shaft 12 drives the movable cover 2 to rotate. The movable cover 2 drives the material to rotate through the material guide plate 19, so that the material is thrown outwards under the action of centrifugal force, and the material slides down along the inner wall of the grinding cover 1. At the same time, the movable cover 2 drives the grinding roller 4 to rotate. The grinding roller 4 cooperates with the inner wall of the grinding cover 1 to realize the grinding process of the material. After grinding, the material falls to the bottom of the grinding cover 1. At this time, the movable cover 2 drives the material guide seat 6 to rotate through the hexagonal shaft 5, and the material guide seat 6 drives the material to move through the guide plate 10, so that the material is thrown outwards under the action of centrifugal force, so as to realize the continuous grinding process of the material. After the material grinding is completed, by rotating the threaded sleeve 8, the threaded sleeve 8 cooperates with the adjusting screw 9, so that the material guide seat 6 moves downwards to separate from the grinding cover 1. At this time, the material can slide out through the gap between the material guide seat 6 and the grinding cover 1 to complete the discharge of the material.

[0030] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust-proof grinder for powder coating production, comprising a grinding cover (1), characterized in that: The inner sidewall of the grinding cover (1) is arranged as an inclined structure. An activity cover (2) is arranged at the inner top end of the grinding cover (1), and the activity cover (2) is arranged as a boss structure. An annular seat (3) is fixedly arranged at the inner bottom end of the activity cover (2). A plurality of grinding rollers (4) are arranged around the bottom end of the annular seat (3) through bearings, and the grinding rollers (4) are arranged as conical structures. A hexagonal shaft (5) is fixedly arranged in the middle of the activity cover (2). A feeding seat (6) is arranged at the bottom end of the hexagonal shaft (5). The feeding seat (6) is arranged as a boss-shaped structure, and a slot (7) corresponding to the hexagonal shaft (5) is formed through the middle of the feeding seat (6). A threaded sleeve (8) is movably arranged at the middle of the bottom end of the feeding seat (6) through a bearing. An adjusting screw rod (9) is arranged through the inside of the threaded sleeve (8), and the adjusting screw rod (9) is fixedly arranged at the bottom end of the hexagonal shaft (5). A plurality of guide plates (10) are arranged around the outer sidewall of the feeding seat (6). A sliding sealing ring (11) is fixedly arranged at the bottom end of the outer sidewall of the feeding seat (6), and the sliding sealing ring (11) is attached to the bottom end of the inner sidewall of the grinding cover (1).

2. The dust-proof grinder for powder coating production according to claim 1, wherein: A transmission shaft (12) is fixedly arranged at the middle of the top end of the activity cover (2), and the transmission shaft (12) is arranged through the top end of the grinding cover (1).

3. The dust-proof grinder for powder coating production according to claim 2, wherein: A support (13) is movably arranged at the top end of the transmission shaft (12) through a bearing. A driving motor (14) is fixedly arranged at the middle of the upper surface of the support (13), and the output shaft of the driving motor (14) is fixedly connected to the top end of the transmission shaft (12).

4. A dust-proof grinder for powder coating production according to claim 3, characterized in that: A plurality of through holes (15) are formed around the upper surface of the support (13). A support screw rod (16) is arranged through the inside of the through holes (15). Two nuts are arranged on the outer side of the support screw rod (16) in a threaded manner, and the two nuts are respectively arranged on both sides of the support (13).

5. A dust-proof grinder for powder coating production according to claim 4, characterized in that: A fixing seat (17) is fixedly arranged at the bottom end of the support screw rod (16), and the fixing seat (17) is fixedly arranged at the top end of the grinding cover (1). A feeding hopper (18) is arranged through the top end of the outer sidewall of the grinding cover (1).

6. The dust-proof grinder for powder coating production according to claim 5, wherein: A plurality of guide plates (19) are arranged around the outer sidewall of the activity cover (2).

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