CN212092654U

CN212092654U - Automatic screening plant of coating powder

Info

Publication number: CN212092654U
Application number: CN202020581437.XU
Authority: CN
Inventors: 于新鹏; 许林峰
Original assignee: Zhejiang Zhanyong Industry And Trade Co ltd
Current assignee: Zhejiang Zhanyong Industry And Trade Co ltd
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2020-12-08
Anticipated expiration: 2030-04-18

Abstract

The utility model discloses an automatic screening plant of coating powder, its technical scheme main points are: the utility model provides an automatic screening plant of coating powder, including the screening plant body, be equipped with the feed inlet on the screening plant body, the middlings discharge gate, the fine powder discharge gate, fixedly connected with is located the collection storehouse of middlings discharge gate below on the screening plant body, collect the storehouse for cavity setting and with middlings discharge gate intercommunication, the one end that is close to the collection storehouse on the middlings discharge gate sets up to loudspeaker form, it is connected with by motor drive's grinding table to collect the storehouse internal rotation, grinding table be the round platform form and with on the middlings discharge gate be loudspeaker form one end for clearance fit, it diminishes along the one end that deviates from the screening plant body to grind the clearance between platform and the. The utility model discloses an automatic screening plant of coating powder can directly carry out abrasive treatment to the middlings that sieves out to automatically carry the powder that will grind again and sieve to screening plant in, need not personnel and operate.

Description

Automatic screening plant of coating powder

Technical Field

The utility model relates to a sieving mechanism, more specifically say, it relates to an automatic recovery unit of coating powder.

Background

In the production process of the powder coating, various raw materials are required to be molded into a whole through the procedures of premixing, melt extrusion mixing and cooling according to a certain metering ratio, and the sheet-shaped materials are ground into powder under the action of a crusher and a grinder. And grind into powdered coating because the inhomogeneous needs of particle size sieve, traditional manual work adopts the mode inefficiency of screen cloth, the cost of labor is high, and more enterprises select semi-automatization equipment, but most semi-automatization equipment subsequent handling still need manual operation, has increased enterprise manufacturing cost.

In order to solve the problems, the Chinese patent with the publication number of CN206500254U discloses an automatic recovery device for milled powder, which comprises a screen cylinder, wherein one end of the screen cylinder is connected with a cylinder cover in an opening and closing way, an eye-splice is fixed on one side of the outer circumference of the screen cylinder, which is close to the cylinder cover, one side of the cylinder cover is buckled with a clamping plate, the eye-splice is in threaded connection with a knob, one end of the clamping plate is inserted into the eye-splice and is in threaded locking connection with the knob, the lower end of the screen cylinder is fixed with a support frame, the upper end of the screen cylinder is rotatably connected with an opening plate, the lower end face of the opening plate is fixed with a balancing weight, the right end part of the screen cylinder is connected with a feeding box and a rotating motor, one end of the cylinder cover is connected with a connecting seat, the upper end of the connecting seat is communicated with a fine powder discharging pipe, the lower end, the outer circumference of the bearing is also fixed with a clapboard which is fixed on the inner wall of the screen drum, and the outer circumference of the rotating shaft is also fixed with a discharging screw rod. According to the scheme, the powder is conveyed into the screen cover, the powder is pushed to move in the rotating process through the discharging screw arranged in the screen cover, coarse powder and fine powder are screened under the action of the screen cover in the moving process, and the screened fine powder is directly discharged to the next procedure. However, the coarse powder sieved in the above scheme is collected and recycled and is crushed again by the grinder, and the process still needs to be manually operated after the coarse powder is accumulated to a certain amount, which also increases the labor cost.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Retrieve to the middlings of the screening that prior art exists is concentrated, smash once more through grinding the machine again, this process still needs to accumulate certain volume back through the manual work at the middlings and operates, also can increase the not enough of human cost, the utility model aims to provide a can directly carry out abrasive treatment to the middlings of screening to carry the powder that grinds again to screening in the screening plant automatically, need not the automatic recovery unit of coating powder that personnel operated.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an automatic screening plant of coating powder, including the screening plant body, be equipped with feed inlet, middlings discharge gate, fine powder discharge gate on the screening plant body, fixedly connected with is located the collection storehouse of middlings discharge gate below on the screening plant body, collect the storehouse for cavity setting and communicate with the middlings discharge gate, the one end that is close to the collection storehouse on the middlings discharge gate sets up to loudspeaker form, it is connected with by motor drive's grinding table to collect the storehouse internal rotation, grinding table be round platform form and with be the clearance fit on the middlings discharge gate loudspeaker form one end, the clearance between grinding table and the middlings discharge gate diminishes along the one end that deviates from the screening plant body, grinding table is last fixedly connected with and sets up the screw rod in the middlings feed inlet, fixedly connected with is located the filter of feed inlet top on the screening plant body, the filter pass through the, The collection bin is connected, and the filter is provided with an exhaust fan.

By adopting the technical scheme, the device comprises a screening device body, the screening device body is the prior art, ground coating powder is conveyed into the screening device body through a feed inlet on the screening device body for screening, screened fine powder is discharged to the next process through a fine powder discharge port, a hollow collecting bin is fixedly connected onto the screening device body, the interior of the collecting bin is communicated with a coarse powder discharge port on the screening device body, the collecting bin is positioned below the coarse powder discharge port so that the coarse powder can directly fall into the collecting bin, one end of the coarse powder discharge port, which is connected with the collecting bin, is horn-shaped, a grinding table driven by a motor is rotationally connected in the collecting bin, the horn-shaped ends of the grinding table and the coarse powder discharge port are in clearance fit, and the clearance between the grinding table and the coarse powder discharge port is reduced along one end deviating from the screening device body, the screw rod arranged in the coarse powder feeding port is fixedly connected to the grinding table, the motor drives the grinding table and the screw rod to rotate, the helical blades on the screw rod extrude and convey coarse powder in the coarse powder feeding port into a gap between the coarse powder feeding port and the grinding table, the coarse powder in the coarse powder feeding port cannot be accumulated while the grinding efficiency is ensured, the blockage is avoided, the grinding table grinds the coarse powder between the grinding table and the coarse powder feeding port in the rotating process, and the coarse powder falls into the collection bin after being ground; the screening device comprises a screening device body, a collecting bin, a feeding port, an exhaust fan, a filter, a dust collecting bin and a dust collecting bin, wherein the filter is fixedly connected to the screening device body and located above the feeding port through a pipeline; this kind of design can directly grind the middlings that sieves out, and can not pile up and take place to block up because the clearance problem of grinding can not produce, and the feed inlet that the powder that grinds again on the screening plant body is arranged under the effect of exhaust fan and filter simultaneously sieves again, need not personnel to operate.

The utility model discloses further set up to: the bottom in the collection bin is obliquely arranged.

Through adopting above-mentioned technical scheme, will collect the inside bottom in storehouse and set up the inclined plane, and will with the pipeline on the filter and collect the junction setting in lower one end in storehouse, be convenient for in time get rid of the powder in the storehouse of collecting, sieve again.

The utility model discloses further set up to: the bottom in the collection bin is fixedly connected with a bulge rotationally connected with the grinding table, and the diameter of the bulge is smaller than the maximum diameter of the grinding table.

Through adopting above-mentioned technical scheme, the bottom fixedly connected with in the collection storehouse inside rotates the arch of being connected with the grinding table, makes the powder in the collection storehouse can not exert an influence to the rotation of grinding table under protruding effect, and because bellied diameter is less than the maximum diameter of grinding table, makes the powder that falls into in the collection storehouse from the middlings feed inlet can not fall to protruding, makes the powder can not remain in protruding.

The utility model discloses further set up to: the collecting bin is fixedly connected with a support, the motor is arranged at the bottom outside the collecting bin, a rotating shaft is fixedly connected between an output shaft of the motor and the grinding table, and the rotating shaft penetrates through the protrusion.

Through adopting above-mentioned technical scheme, fixedly connected with support on the outside in collection storehouse makes the collection storehouse be higher than ground setting under the effect of support, makes the motor can set up in the outside bottom in collection storehouse, and the motor can rotate through the pivot direct drive grinding table that sets up between the output shaft of motor and grinding table, and corresponding pivot runs through the arch.

The utility model discloses further set up to: the rotating shaft is connected with the bulge through a bearing.

Through adopting above-mentioned technical scheme, the pivot passes through the bearing and is connected with the arch, has guaranteed the stability of pivot when having guaranteed that the pivot pivoted is smooth and easy.

The utility model discloses further set up to: an infrared sensor electrically connected with the exhaust fan is arranged in the collection bin.

Through adopting above-mentioned technical scheme, be equipped with infrared inductor in collecting the storehouse and be used for detecting the volume of collecting the interior powder of storehouse, infrared inductor is connected with the exhaust fan electricity, makes the exhaust fan can open or close according to the volume of collecting the interior powder of storehouse, has energy-conserving effect.

The utility model discloses further set up to: and a valve is arranged on the collecting bin.

Through adopting above-mentioned technical scheme, be equipped with the valve on collecting the storehouse, can overhaul the mechanism in collecting the storehouse through the valve.

To sum up, the utility model discloses following beneficial effect has:

1. the middlings screened out through the screening plant body can be directly ground under the effect of grinding table and middlings discharge gate, and the powder that just grinds can be arranged to the feed inlet under the effect of exhaust fan, filter and sieve again, need not personnel and operate.

2. The middlings in the middlings discharge gate extrudes in the clearance between coarse powder feed inlet and the grinding table under the effect of screw rod and carries, when having guaranteed grinding efficiency, also makes the middlings in the middlings feed inlet can not produce and piles up, avoids taking place to block up.

Drawings

FIG. 1 is a front view of an automatic coating powder screening apparatus for embodying an overall structural design;

FIG. 2 is a schematic structural diagram of an automatic coating powder screening device for embodying the overall structural design;

fig. 3 is a sectional view of an automatic coating powder screening device for embodying the structural design of a coarse powder discharge port and a collection bin.

In the figure: 1. a fine powder discharge port; 2. a support; 3. a motor; 4. a screening device body; 5. a filter; 6. an exhaust fan; 7. a feed inlet; 8. a collection bin; 9. a coarse powder discharge hole; 10. a protrusion; 11. a rotating shaft; 12. a grinding table; 13. a screw; 14. an infrared sensor; 15. and (4) a valve.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides an automatic screening plant of coating powder, as shown in figure 1, figure 2, including screening plant body 4, screening plant body 4 is a prior art, the coating powder who grinds passes through feed inlet 7 on screening plant body 4 and carries screening plant body 4 inside to be sieved, the fine powder of screening discharges through fine powder discharge gate 1 and in next process, be equipped with the middlings discharge gate 9 of vertical setting on screening plant body 4, the one end fixedly connected with collection bin 8 of screening plant body 4 is kept away from on middlings discharge gate 9.

As shown in fig. 1, 2 and 3, a support 2 is fixedly connected to the outside of the collection bin 8, the collection bin 8 is arranged higher than the ground under the action of the support 2, and the motor 3 can be fixedly connected to the bottom outside the collection bin 8; the collecting bin 8 is arranged in a hollow mode and is communicated with the coarse powder discharging hole 9, the bottom inside the collecting bin 8 is fixedly connected with a protrusion 10, an output shaft of the motor 3 is fixedly connected with a rotating shaft 11 penetrating through the collecting bin 8 and the protrusion 10, and the rotating shaft 11 is connected with the protrusion 10 through a bearing, so that the rotating smoothness and stability of the rotating shaft 11 are guaranteed; a truncated cone-shaped grinding table 12 is fixedly connected to one end, far away from the motor 3, of the rotating shaft 11, one end, connected with the collecting bin 8, of the coarse powder discharge port 9 is arranged to be horn-shaped, the side wall of the grinding table 12 is in clearance fit with the horn-shaped end of the coarse powder discharge port 9, the clearance between the grinding table 12 and the coarse powder discharge port 9 is reduced along one end, far away from the screening device body 4, the grinding table 12 is driven by the motor 3 to rotate, and coarse powder is ground under the action of the grinding table 12 and the horn-shaped coarse powder discharge port 9; the diameter of the bulge 10 is smaller than the maximum diameter of the grinding table 12, so that the powder falling into the collection bin 8 from the coarse powder feed inlet 7 cannot fall onto the bulge 10, and the powder cannot remain on the bulge 10 and cannot influence the rotation of the grinding table 12; the screw 13 arranged in the coarse powder discharge port 9 is fixedly connected to the grinding table 12, the screw 13 rotates when the grinding table 12 rotates, the helical blades on the screw 13 extrude and convey coarse powder in the coarse powder feed port 7 into a gap between the coarse powder feed port 7 and the grinding table 12, grinding efficiency is guaranteed, meanwhile, the coarse powder in the coarse powder feed port 7 cannot be accumulated, and blockage is avoided.

As shown in fig. 1, 2 and 3, the bottom inside the collection bin 8 is inclined to facilitate the collection of the powder falling into the collection bin 8, a filter 5 located above the feed inlet 7 is fixedly connected to the screening device body 4, the filter 5 is connected to the feed inlet 7 through a pipeline and is connected to the lower end inside the collection bin 8 through a pipeline, an exhaust fan 6 is arranged on the filter 5, the filter 5 and the exhaust fan 6 constitute a prior art, an infrared sensor 14 electrically connected to the exhaust fan 6 is fixedly connected to the collection bin 8, when the infrared sensor 14 detects that the amount of the powder in the collection bin 8 reaches a certain degree, the exhaust fan 6 is started, the exhaust fan 6 exhausts air to generate negative pressure in the pipeline between the filter 5 and the collection bin 8, the powder in the collection bin 8 is sucked to the filter 5, and the powder cannot be blown out through the exhaust fan 6 under the action of the filter 5, the powder on the filter 5 is accumulated and falls into the feed inlet 7 for sieving again; be equipped with valve 15 on collecting bin 8, can overhaul the mechanism in collecting bin 8 through valve 15.

The fine powder screened out after the powder in the screening device body 4 is screened is discharged to the next procedure through the fine powder discharge port 1, the screened coarse powder enters the coarse powder discharge port 9, the motor 3 is started to drive the grinding table 12 and the screw 13 to rotate, the helical blades on the screw 13 extrude and convey the coarse powder in the coarse powder feed port 7 to the gap between the coarse powder feed port 7 and the grinding table 12, the grinding table 12 grinds the coarse powder and the ground powder enters the collection bin 8, when the infrared sensor 14 detects that the amount of the powder in the collection bin 8 reaches a certain degree, the exhaust fan 6 is started, the exhaust fan 6 exhausts the gas to generate negative pressure on a pipeline between the filter 5 and the collection bin 8, the powder in the collection bin 8 is sucked to the filter 5, the powder cannot be blown out through the exhaust fan 6 under the action of the filter 5, the powder on the filter 5 is accumulated and falls into the feed port 7, and the screening is carried out again, the whole process does not need manual operation, and the cost is saved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an automatic screening plant of coating powder, including screening plant body (4), be equipped with feed inlet (7), middlings discharge gate (9), fine powder discharge gate (1) on screening plant body (4), its characterized in that: the screening device comprises a screening device body (4), wherein a collection bin (8) is fixedly connected to the screening device body (4) and is located below a coarse powder discharge port (9), the collection bin (8) is arranged in a hollow mode and is communicated with the coarse powder discharge port (9), one end, close to the collection bin (8), of the coarse powder discharge port (9) is arranged in a horn shape, a grinding table (12) driven by a motor (3) is connected in the collection bin (8) in a rotating mode, the grinding table (12) is in a round table shape and is in clearance fit with one end, in the horn shape, of the coarse powder discharge port (9), one end, deviating from the screening device body (4), of a clearance between the grinding table (12) and the coarse powder discharge port (9) is reduced, a screw rod (13) arranged in the coarse powder feed port (7) is fixedly connected to the grinding table (12), and a filter (5) located above the feed port (7), the filter (5) is connected with the feed inlet (7) and the collection bin (8) through pipelines respectively, and an exhaust fan (6) is arranged on the filter (5).

2. The automatic coating powder screening device according to claim 1, wherein: the bottom in the collection bin (8) is arranged in an inclined mode.

3. The automatic coating powder screening device according to claim 1, wherein: the bottom in the collection bin (8) is fixedly connected with a bulge (10) which is rotatably connected with a grinding table (12), and the diameter of the bulge (10) is smaller than the maximum diameter of the grinding table (12).

4. The automatic coating powder screening device according to claim 3, wherein: collect fixedly connected with support (2) on storehouse (8), motor (3) set up in the outside bottom in storehouse (8) of collecting, fixedly connected with pivot (11) between the output shaft of motor (3) and grinding table (12), pivot (11) run through arch (10).

5. The automatic coating powder screening device according to claim 4, wherein: the rotating shaft (11) is connected with the bulge (10) through a bearing.

6. The automatic coating powder screening device according to claim 1, wherein: an infrared sensor (14) electrically connected with the exhaust fan (6) is arranged in the collection bin (8).

7. The automatic coating powder screening device according to claim 1, wherein: and a valve (15) is arranged on the collection bin (8).