阅读说明：本技术 一种具有过滤筛选功能的粉末涂料制备用磨粉机 (Powder mill for powder coating preparation with filtering and screening functions ) 是由 尚明岚 尚钰晓 尚德山 于 2021-07-16 设计创作，主要内容包括：本发明属于涂料生产技术领域,尤其是一种具有过滤筛选功能的粉末涂料制备用磨粉机,针对研磨不均匀的问题,现提出以下方案,包括加工箱,所述加工箱内部上方设有粉碎机构,所述加工箱内部位于粉碎机构下方设有研磨机构,所述加工箱内部位于研磨机构下方安装有第一电动门,所述加工箱外部一侧安装有电动伸缩杆,所述电动伸缩杆伸缩端顶端安装有推料板,所述加工箱内部两侧内壁均安装有振动器,两个所述振动器上方设有同一个筛板,两个所述振动器与筛板之间均设有固定结构,所述加工箱外部一侧竖直安装有提升机,所述加工箱外部一侧的中下方设有吸尘机构。本发明具有筛选过滤的功能,功能更加齐全,可以筛选不同颗粒大小的粉末涂料。(The invention belongs to the technical field of paint production, in particular to a powder mill with filtering and screening functions for preparing powder paint, which aims at solving the problem of uneven grinding and provides the following scheme comprising a processing box, a crushing mechanism is arranged above the inside of the processing box, a grinding mechanism is arranged below the crushing mechanism inside the processing box, a first electric door is arranged in the processing box below the grinding mechanism, an electric telescopic rod is arranged on one side of the outer part of the processing box, the top end of the telescopic end of the electric telescopic rod is provided with a material pushing plate, the inner walls of two sides in the processing box are provided with vibrators, the same sieve plate is arranged above the two vibrators, a fixing structure is arranged between the two vibrators and the sieve plate, the lifting machine is vertically installed on one side of the outer portion of the processing box, and a dust collection mechanism is arranged below the middle of one side of the outer portion of the processing box. The invention has the functions of screening and filtering, has more complete functions and can screen powder coatings with different particle sizes.)

1. The utility model provides a milling machine is used in powder coating preparation with filter screen function, includes processing case (2), its characterized in that, the middle part intercommunication at processing case (2) top has feeder hopper (1), the inside top of processing case (2) is equipped with rubbing crusher and constructs, the below that is located rubbing crusher and constructs inside processing case (2) is equipped with grinding crusher and constructs, processing case (2) inside is located grinding crusher and constructs the below and installs first electrically operated gate (14), the below horizontal installation that is located first electrically operated gate (14) of processing case (2) outside one side has electrically operated telescopic handle (7), scraping wings (15) are installed on the top of the flexible end of electrically operated telescopic handle (7), vibrating mechanism (2) inside is located scraping wings (15) the middle part of the below both sides inner wall and all installs (28), two the top of vibrating mechanism (28) is equipped with same sieve (21), two all be equipped with fixed knot and construct between vibrator (28) and sieve (21), bottom sliding connection has storage box (10) in processing case (2), electronic scale (17) are installed to the bottom in storage box (10), vertical lifting machine (8) of installing in processing case (2) outside one side, communicate through interface channel (18) between the discharge gate of lifting machine (8) and feeder hopper (1), the well below of processing case (2) outside one side is equipped with dust absorption mechanism.

2. A powder mill for preparing powder coating with filtering and screening functions as claimed in claim 1, wherein a cover plate is hinged to one side of the top of the feed hopper (1), the telescopic end of the electric telescopic rod (7) extends into the processing box (2) and is in sliding connection with the processing box (2), the material pushing plate (15) is embedded in the inner wall of the processing box (2), and a second electric door (20) is installed at the connecting part of the inner part of the processing box (2) and the opposite side of the material pushing plate (15) and the hoisting machine (8).

3. A pulverizer with filtering and screening functions for preparing powder coatings according to claim 1, wherein the pulverizing mechanism comprises a rotating motor (5) and a pulverizing roller (12), the rotating motor (5) is horizontally installed at one end above the side surface of the processing box (2), an output shaft of the rotating motor (5) extends into the processing box (2) and is rotatably connected with the processing box (2), a driving gear (3) is installed in the middle of the output shaft of the rotating motor (5), and a driven gear (4) is meshed with the side surface of the driving gear (3).

4. A pulverizer with filtering and screening functions for powder coating preparation according to claim 3, characterized in that the mid-mounting of driven gear (4) has driven shaft (16), driven shaft (16) stretch into processing case (2) inside and with processing case (2) rotation connection, crushing roller (12) are equipped with two, two crushing roller (12) horizontal installation respectively in the output shaft of rotating electrical machines (5) and the top of driven shaft (16), two all install crushing sword (11) on crushing roller (12), crushing sword (11) are equipped with a plurality ofly, two crushing sword (11) on crushing roller (12) set up in turn.

5. A mill for powder coating preparation with filtering and screening functions as claimed in claim 1, characterized in that said grinding mechanism comprises an electric slide (6) and a grinding roller (19), said electric slide (6) is longitudinally mounted above and in one side of the processing box (2), said output end of said electric slide (6) is mounted with a mounting block (13), said mounting block (13) penetrates the side of the processing box (2) and is slidably connected with the processing box (2).

6. A mill for preparing powder coating with filtering and screening functions as claimed in claim 5, characterized in that said grinding roller (19) is mounted on the mounting block (13) at one end and is rotatably connected with the mounting block (13), said grinding roller (19) is rotatably connected with a sliding block at the other end, and said sliding block is slidably connected with the inner wall of one side of the processing box (2).

7. A mill for the preparation of powder coatings with filtering and screening functions as claimed in claim 1, characterized in that said fixed structure comprises a first magnet (26) and a second magnet (27), said first magnet (26) being embedded in the inner bottom of the screen plate (21), said second magnet (27) being mounted on the top end of the output end of the vibrator (28), said first magnet (26) and said second magnet (27) being positioned in correspondence and magnetically attracted to each other.

8. A mill for powder paint preparation with filtering and screening functions as claimed in claim 7, characterized in that outside said processing box (2) on the side of the sieve plate (21) is hinged a side door (9), the surface of the sieve plate (21) is provided with a plurality of sieve holes (25), and the sieve holes (25) are uniformly distributed on the surface of the sieve plate (21).

9. A powder mill for preparing powder coating with filtering and screening functions as claimed in claim 1, wherein said dust suction mechanism comprises a dust suction fan (24), said dust suction fan (24) is installed at the middle lower part of one side of the outer part of the processing box (2), the air inlet of said dust suction fan (24) is communicated with a dust suction pipe (22), said dust suction pipe (22) is communicated with the inside of the processing box (2), the pipe end of said dust suction pipe (22) is located below the sieve plate (21), and a baffle net (23) is installed at the communicating part of the pipe end of said dust suction pipe (22) and the processing box (2).

Technical Field

The invention relates to the technical field of paint production, in particular to a powder mill with a filtering and screening function for preparing powder paint.

Background

The powder coating is a solid powder synthetic resin coating composed of solid resin, pigment, filler, auxiliary agent and the like, and is different from common solvent-based coatings and water-based coatings, and the dispersion medium of the powder coating is not solvent and water but air; the paint has the characteristics of no solvent pollution, 100 percent film formation, harmlessness, high efficiency, resource saving, environmental protection and low energy consumption, and the powder paint has two main categories of thermoplasticity and thermosetting property. The powder coating is produced and prepared by grinding the powder coating into powder with proper particle size by using a grinder.

The existing flour mill for preparing powder coating only has a grinding function, does not have a function of filtering and screening the ground powder coating, and has fewer functions; the powder coating is not uniformly ground enough, and the finally obtained powder coating particles are different in size; the existing powder mill for preparing powder coating can generate a large amount of dust during grinding, and the dust is easy to float into the air and causes harm to the health of workers.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a powder mill with a filtering and screening function for preparing powder coating.

The invention provides a powder mill with filtering and screening functions for preparing powder coatings, which comprises a processing box, wherein the middle part of the top of the processing box is communicated with a feed hopper, a crushing mechanism is arranged above the inside of the processing box, a grinding mechanism is arranged below the crushing mechanism inside the processing box, a first electric door is arranged below the grinding mechanism inside the processing box, an electric telescopic rod is horizontally arranged below the first electric door on one side of the outside of the processing box, a material pushing plate is arranged at the top end of the telescopic end of the electric telescopic rod, vibrators are arranged at the middle parts of the inner walls of two sides below the material pushing plate inside the processing box, the same sieve plate is arranged above the two vibrators, a fixed structure is arranged between the two vibrators and the sieve plate, a material storage box is connected to the bottom of the processing box in a sliding manner, and an electronic scale is arranged at the bottom of the material storage box, the vertical lifting machine of installing in processing case outside one side, communicate through interface channel between the discharge gate of lifting machine and the feeder hopper, the well below in processing case outside one side is equipped with dust absorption mechanism.

Preferably, top one side of feeder hopper articulates there is the apron, electric telescopic handle's flexible end stretch into the processing incasement portion and with processing case sliding connection, the scraping wings is inlayed in processing incasement wall, the processing incasement portion installs the second electrically operated gate with the lifting machine coupling part with the opposite one side of scraping wings.

Preferably, the crushing mechanism comprises a rotating motor and a crushing roller, the rotating motor is horizontally arranged at one end above the side surface of the processing box, an output shaft of the rotating motor extends into the processing box and is rotatably connected with the processing box, a driving gear is arranged in the middle of the output shaft of the rotating motor, and a driven gear is meshed with the side surface of the driving gear.

Preferably, driven gear's mid-mounting has the driven shaft, the driven shaft stretches into processing incasement portion and rotates with the processing case to be connected, crushing roller is equipped with two, two crushing roller horizontal installation respectively is in the output shaft of rotating electrical machines and the top of driven shaft, two all install crushing sword on the crushing roller, crushing sword is equipped with a plurality ofly, two crushing sword on the crushing roller sets up in turn.

Preferably, grind the mechanism and include electronic slip table and grinding roller, electronic slip table vertically installs the well top in processing case one side, the installation piece is installed to electronic slip table's output, the installation piece runs through processing case side and with processing case sliding connection.

Preferably, grind roller one end and install on the installation piece and with the installation piece rotation connection, grind the roller other end and rotate and be connected with the sliding block, and sliding block sliding connection is in processing case one side inner wall.

Preferably, fixed knot constructs including first magnet and second magnet, first magnet is inlayed in the interior bottom of sieve, the second magnet is installed in the output top of vibrator, the corresponding and magnetism of position of first magnet and second magnet are attracted mutually.

Preferably, the side that the processing case outside is located the sieve articulates there is the side door, the sieve mesh has been seted up on the surface of sieve board, the sieve mesh is equipped with a plurality ofly and at the surperficial evenly distributed of sieve board.

Preferably, dust absorption mechanism includes dust absorption fan, dust absorption fan installs in the well below of processing case outside one side, dust absorption fan's air intake intercommunication has the dust absorption pipe, dust absorption pipe and the inside intercommunication of processing case, the pipe end of dust absorption pipe is located the sieve below, the pipe end and the processing case intercommunication part of dust absorption pipe are installed and are kept off the net.

The beneficial effects of the invention are as follows:

1. this milling machine is used in powder coating preparation with filter screen function, through being provided with sieve and vibrator, after the coating raw materials is smashed and is ground into less granule through rubbing crusher constructs with grinding mechanism, open first electrically operated gate and make it fall on the sieve, start the vibrator and drive the sieve and shake from top to bottom, thereby in the powder coating who falls qualified granule on the sieve from the sieve the storage box of below, stay the unqualified particle filtration in the sieve top, thereby have and filter filterable function to powder coating, the function is more complete.

2. This milling machine is used in powder coating preparation with filter screening function, through being provided with lifting machine and scraping wings, after the coating raw materials is through a round of screening, open the second electrically operated gate, start electric telescopic handle and drive the scraping wings and move along, push away the coating that persists on the sieve and promote again in the lifting machine and get into the processing incasement by the interface channel entering feeder hopper through smashing, the process of grinding and screening, circulation operation so, all grind into qualified size all until the raw materials that add and fall into the storage box from the sieve screen, thereby grind more evenly, make the powder coating granule size that obtains qualified.

3. This milling machine is used in powder coating preparation with filter screen function, through being provided with fixed knot structure and side door, when the powder coating of different particle sizes is selected to needs, open the side door, take the sieve out from the processing incasement, insert the sieve of new different sieve mesh sizes again, the first magnet of sieve bottom and the second magnet at vibrator top inhale mutually, make the sieve fix on the vibrator, the change of sieve is comparatively convenient, can filter the powder coating of different particle sizes, application scope is wider.

4. This milling machine is used in powder coating preparation with filter screening function, through being provided with dust absorption mechanism, when the processing case during operation, cover the apron at feeder hopper top, open the dust absorption fan again, utilize the dust suction that the dust absorption pipe will produce in the processing case, avoid its spill over or sneak into in the powder coating that the screening is good, the aperture that keeps off the net is greater than the dust diameter and is less than the powder coating diameter, thereby prevent that powder coating from being siphoned away, thereby not only guarantee that powder coating's particle size is unanimous and prevent that the dust spill over from endangering that the staff is healthy.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

FIG. 1 is a schematic structural diagram of a powder coating preparation mill with filtering and screening functions according to the present invention;

FIG. 2 is a front cross-sectional view of a powder coating preparation mill according to the present invention with a filtering and screening function;

FIG. 3 is a side cross-sectional view of a powder coating preparation mill according to the present invention with a filtering and screening function;

FIG. 4 is an enlarged view of the powder coating preparation mill according to the present invention, showing the powder coating preparation mill at A;

fig. 5 is a top cross-sectional view of a powder coating preparation mill according to the present invention with a filter screen function.

In the figure: 1. a feed hopper; 2. a processing box; 3. a driving gear; 4. a driven gear; 5. a rotating electric machine; 6. an electric sliding table; 7. an electric telescopic rod; 8. a hoist; 9. a side door; 10. a storage box; 11. a crushing knife; 12. a crushing roller; 13. mounting blocks; 14. a first electrically operated door; 15. a material pushing plate; 16. a driven shaft; 17. an electronic scale; 18. a connecting channel; 19. a grinding roller; 20. a second electrically operated door; 21. a sieve plate; 22. a dust collection pipe; 23. blocking the net; 24. a dust collection fan; 25. screening holes; 26. a first magnet; 27. a second magnet; 28. a vibrator.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a powder mill with filtering and screening functions for preparing powder coating comprises a processing box 2, a feed hopper 1 is communicated with the middle of the top of the processing box 2, a crushing mechanism is arranged above the inside of the processing box 2, a grinding mechanism is arranged below the crushing mechanism inside the processing box 2, a first electric door 14 is arranged below the grinding mechanism inside the processing box 2, an electric telescopic rod 7 is horizontally arranged below the first electric door 14 on one side outside the processing box 2, a material pushing plate 15 is arranged at the top end of the telescopic end of the electric telescopic rod 7, vibrators 28 are arranged at the middle of the inner walls of the two sides below the material pushing plate 15 inside the processing box 2, the same sieve plate 21 is arranged above the two vibrators 28, a fixed structure is arranged between the two vibrators 28 and the sieve plate 21, and the vibrators 28 are started to drive the sieve plate 21 to vibrate up and down, thereby in the storage box 10 of sieve to the below of sieving the powder coating of qualified granule on the sieve 21 from sieve 21, stay sieve 21 top with unqualified particle filtration, bottom sliding connection has storage box 10 in the processing case 2, electronic scale 17 is installed to the bottom in the storage box 10, electronic scale 17 weighs to the powder coating of collecting in the storage box 10, then represent to grind completely successfully when weight reaches more than 99% of joining the raw materials, vertical lifting machine 8 of installing in 2 outside one sides of processing case, communicate through connecting channel 18 between the discharge gate of lifting machine 8 and the feeder hopper 1, be equipped with dust absorption mechanism in the well below of 2 outside one sides of processing case. After the coating raw materials pass through a round of screening, open second electrically operated gate 20, start electric telescopic handle 7 and drive scraping wings 15 and move forward, promote again in pushing away the coating that persists on the sieve 21 to lifting machine 8 and get into feeder hopper 1 and get into the process of smashing, grinding and screening again in the processing box 2 by interface channel 18, so circulation operation, all raw materials that add are all ground into qualified size and are sieved from the sieve and fall into in the storage box.

According to the invention, a cover plate is hinged to one side of the top of the feed hopper 1, the telescopic end of the electric telescopic rod 7 extends into the processing box 2 and is in sliding connection with the processing box 2, the material pushing plate 15 is embedded in the inner wall of the processing box 2, and a second electric door 20 is arranged at the connecting part of the inner part of the processing box 2 and one side of the material pushing plate 15 opposite to the lifting machine 8.

According to the invention, the crushing mechanism comprises a rotating motor 5 and a crushing roller 12, the rotating motor 5 is horizontally arranged at one end above the side surface of the processing box 2, an output shaft of the rotating motor 5 extends into the processing box 2 and is rotationally connected with the processing box 2, a driving gear 3 is arranged in the middle of the output shaft of the rotating motor 5, and a driven gear 4 is meshed with the side surface of the driving gear 3.

According to the invention, the driven shaft 16 is arranged in the middle of the driven gear 4, the driven shaft 16 extends into the processing box 2 and is rotationally connected with the processing box 2, two crushing rollers 12 are arranged, the two crushing rollers 12 are respectively horizontally arranged at the output shaft of the rotating motor 5 and the top end of the driven shaft 16, the two crushing rollers 12 are respectively provided with a plurality of crushing knives 11, and the crushing knives 11 on the two crushing rollers 12 are alternately arranged. The rotating motor 5 drives the driven shaft 16 to rotate through the driving gear 3 and the driven gear 4, so that the two crushing rollers 12 are driven to rotate together, and the two crushing rollers 12 drive the crushing knife 11 to rotate to crush the raw materials.

In the invention, the grinding mechanism comprises an electric sliding table 6 and a grinding roller 19, the electric sliding table 6 is longitudinally arranged above the middle upper part of one side of the processing box 2, the output end of the electric sliding table 6 is provided with an installation block 13, and the installation block 13 penetrates through the side surface of the processing box 2 and is connected with the processing box 2 in a sliding way.

In the invention, one end of a grinding roller 19 is arranged on the mounting block 13 and is rotationally connected with the mounting block 13, and the other end of the grinding roller 19 is rotationally connected with a sliding block which is slidably connected with the inner wall of one side of the processing box 2. The crushed raw materials fall on the first electric door 14, and the electric sliding table 6 drives the grinding roller 19 to move back and forth to grind the raw materials.

In the present invention, the fixing structure comprises a first magnet 26 and a second magnet 27, the first magnet 26 is embedded in the inner bottom of the sieve plate 21, the second magnet 27 is installed at the top end of the output end of the vibrator 28, and the first magnet 26 and the second magnet 27 are corresponding in position and magnetically attracted.

In the invention, a side door 9 is hinged to the side surface of the sieve plate 21 outside the processing box 2, sieve holes 25 are formed in the surface of the sieve plate 21, and a plurality of sieve holes 25 are uniformly distributed in the surface of the sieve plate 21. When the powder coating of different particle sizes is selected to needs, open side door 9, take sieve 21 out from processing case 2, insert new sieve mesh 25 size's sieve 21 again, the second magnet 27 at the first magnet 26 of sieve 21 bottom and 28 tops of vibrator attract each other, make sieve 21 fix on vibrator 28, sieve 21's change is comparatively convenient, can filter the powder coating of different particle sizes, and application scope is wider.

In the invention, the dust collection mechanism comprises a dust collection fan 24, the dust collection fan 24 is arranged at the middle lower part of one side outside the processing box 2, an air inlet of the dust collection fan 24 is communicated with a dust collection pipe 22, the dust collection pipe 22 is communicated with the inside of the processing box 2, the pipe end of the dust collection pipe 22 is positioned below the sieve plate 21, and a blocking net 23 is arranged at the communication part of the pipe end of the dust collection pipe 22 and the processing box 2. When the processing box 2 is in operation, cover the apron at feeder hopper 1 top, dust absorption fan 24 utilizes dust absorption pipe 22 to suck the dust that produces in the processing box 2, avoids in its spill over or sneak into the powder coating that screens, and the aperture that keeps off net 23 is greater than the dust diameter and is less than the powder coating diameter to prevent that powder coating from being siphoned away, thereby not only guarantee that powder coating's particle size is unanimous and prevent that the dust spill over from endangering that the staff is healthy.

The working principle is as follows: pressing a switch starting device, adding a certain amount of raw materials from a feed hopper 1, inputting the amount of the added raw materials on a display screen outside a processing box 2, driving a driven shaft 16 to rotate through a driving gear 3 and a driven gear 4 by a rotating motor 5, thereby driving two crushing rollers 12 to rotate together, driving a crushing knife 11 to rotate by the two crushing rollers 12 to crush the raw materials, falling the crushed raw materials on a first electric door 14, driving a grinding roller 19 to move back and forth to grind the raw materials by an electric sliding table 6, opening the first electric door 14 to fall on a sieve plate 21 after the coating raw materials are crushed and ground into smaller particles by a crushing mechanism and a grinding mechanism, starting a vibrator 28 to drive the sieve plate 21 to vibrate up and down, thereby sieving the powder coatings of qualified particles on the sieve plate 21 from the sieve plate 21 into a storage box 10 below, filtering and leaving unqualified particles above the sieve plate 21, thereby having the function of screening and filtering the powder coating and having more complete functions; after the coating raw materials are screened by one round, the second electric door 20 is opened, the electric telescopic rod 7 is started to drive the material pushing plate 15 to move forwards, the coating remained on the sieve plate 21 is pushed into the hoister 8 to be hoisted again, the coating enters the feed hopper 1 through the connecting channel 18 to enter the processing box 2 again, and the processes of crushing, grinding and screening are performed in such a circulating way, until all the added raw materials are ground into a qualified size, the raw materials are sieved from the sieve plate and fall into the storage box, so that the grinding is more uniform, the obtained powder coating particles are qualified in size, the powder coating collected in the storage box 10 is weighed by the electronic scale 17, and when the weight reaches more than 99 percent of the added raw materials, the complete grinding is successful; when the processing box 2 works, the cover plate at the top of the feed hopper 1 is covered, the dust suction fan 24 sucks out dust generated in the processing box 2 by using the dust suction pipe 22 to prevent the dust from overflowing or mixing into the screened powder coating, and the aperture of the baffle net 23 is larger than the diameter of the dust and smaller than the diameter of the powder coating, so that the powder coating is prevented from being sucked away, the particle size of the powder coating is ensured to be consistent, and the dust is prevented from overflowing to harm the health of workers; when the powder coating of different particle sizes is selected to needs, open side door 9, take sieve 21 out from processing case 2, insert new sieve mesh 25 size's sieve 21 again, the second magnet 27 at the first magnet 26 of sieve 21 bottom and 28 tops of vibrator attract each other, make sieve 21 fix on vibrator 28, sieve 21's change is comparatively convenient, can filter the powder coating of different particle sizes, and application scope is wider.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.