Quantitative discharging device for plastic coating production

By using components such as baffles and sealing airbags in the production of plastic coatings, the problems of dust and waste during solid powder discharge have been solved, achieving efficient and precise quantitative discharge and reducing environmental pollution and raw material loss.

CN224029787UActive Publication Date: 2026-03-24HUIZHOU YIKE PAINT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In current plastic coating production, the discharge of solid powder materials easily causes dust and waste of raw materials.

Method used

The design incorporates components such as baffles, sealing airbags, and electric butterfly valves. The baffles cover the opening at the top of the cylinder, the sealing airbags fill the gaps, and the use of PTFE coating and fluororubber materials reduces powder flying out and adhering.

Benefits of technology

It effectively avoids dust and waste caused by powder flying out, improves the accuracy and efficiency of output, and reduces environmental pollution and raw material loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quantitative discharging device for plastic coating production, which relates to the technical field of plastic coating production and comprises a base and a storage tank, an electric cylinder and a corrugated pipe are respectively arranged at the bottom of the storage tank, the output end of the electric cylinder is connected with a baffle, and an electric butterfly valve is mounted at the top of the baffle; the air outlet end of the piston type air compressor is connected with a one-way valve, the bottom of the one-way valve is connected with a sealing air bag, one side of the top of the sealing air bag is connected with an electromagnetic valve, and the electromagnetic valve is installed on the other side of the top of the baffle. Through the arrangement of the corrugated pipe, the electric cylinder, the baffle and the electric butterfly valve, the electric cylinder drives the baffle and the electric butterfly valve to move downwards before discharging, so that the baffle shields an opening in the top of the barrel body, the phenomena of waste and dust raising caused by powder flying out are effectively reduced, the corrugated pipe can adapt to displacement of the baffle and the electric butterfly valve to generate deformation, and a pipeline is prevented from being pulled apart; powder raised during discharging can be conveniently shielded, and the phenomena of waste and external dust raising are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic paint production, and specifically relates to a quantitative discharging device for plastic paint production. BACKGROUND

[0002] Plastic paint is paint coated on plastic material and is widely used in mobile phones, televisions, computers, automobile parts, motorcycle parts, cosmetic packaging, toys and other fields. During plastic paint production, pigment powder, talcum powder, silicon dioxide, ultraviolet absorber, resin base material, solvent and the like need to be added in a certain proportion. The solid powder such as pigment powder usually needs to be quantitatively discharged into a container by a quantitative discharging device so as to facilitate the addition of workers.

[0003] The quantitative discharging device for plastic paint production with the application number 202220220503.X, the quantitative discharging device with the application number 202320671702.7 and the quantitative discharging device for water-based industrial paint with the application number 202421446921.6.

[0004] The above technical solutions all input paint raw materials into a container by automatic quantitative discharging. However, the raw materials of plastic paint are mainly solid powder and liquid. During the discharging process of the solid powder, dusting phenomenon is easily caused, which causes environmental pollution and leads to waste of raw materials. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a quantitative discharging device for plastic paint production to solve the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a quantitative discharging device for plastic paint production, comprising a base and a storage tank, the bottom of the storage tank is respectively provided with an electric cylinder and a bellows, and the output end of the electric cylinder is connected with a baffle, and the top of the baffle is installed with an electric butterfly valve; a piston air compressor is installed on one side of the top of the baffle, and the air outlet end of the piston air compressor is connected with a check valve, and the bottom of the check valve is connected with a sealed air bag, one side of the top of the sealed air bag is connected with an electromagnetic valve, and the other side of the top of the baffle is installed with the electromagnetic valve.

[0007] By adopting the above technical scheme, when discharging is needed, the staff places the barrel on the top of the scale, and then the staff starts the electric cylinder and the piston air compressor; after the electric cylinder is started, the output end drives the baffle, the sealing air bag and the electric butterfly valve and other components to move downward, so that the baffle blocks the opening at the top of the cylinder, and the bellows can adapt to the displacement of the baffle and the electric butterfly valve to deform, avoiding the pipeline being pulled off; however, it should be noted that the deformation amount of the bellows is limited, and the height of the barrel cannot be too low, so as to avoid the phenomenon that the large gap between the baffle and the barrel causes the baffle to move downward too much and the bellows to be pulled off; after the piston air compressor is started, the sealing air bag is inflated, so that the sealing air bag expands to fill the gap between the baffle and the top of the cylinder; it should be noted that the air pressure of the sealing air bag does not need to be high, and only needs to fill the gap, so as to reduce the downward pressure applied by the sealing air bag to the barrel; after the sealing air bag is inflated and the air pressure is stable, the scale is removed, which is to avoid the weight of the barrel affecting the weighing accuracy, and to remove the accuracy error caused by the downward pressure applied by the sealing air bag to the barrel; after the top of the barrel is sealed, the staff opens the electric butterfly valve, at this time the powder in the storage tank is affected by gravity and falls into the barrel, and the powder in the barrel is weighed by the scale during this period; and the baffle blocks the opening at the top of the cylinder, thereby effectively reducing the waste and dust phenomenon caused by the flying of the powder; and the sealing air bag fills the gap between the baffle and the top of the cylinder, thereby effectively avoiding the phenomenon of powder flying; and since the bottom of the baffle is coated with a PTFE coating and the sealing air bag is made of fluororubber material, the surfaces of the baffle and the sealing air bag are very smooth, thereby effectively reducing the phenomenon of powder adhesion, and after discharging is completed, only a period of time is needed to separate the powder from the bottom of the baffle and the sealing air bag by gravity, thereby avoiding the dust and waste caused by the powder at the bottom of the baffle and the sealing air bag after they are taken out.

[0008] Further, the bottom of the baffle is coated with a PTFE coating.

[0009] By adopting the above technical scheme, since the bottom of the baffle is coated with a PTFE coating, the surface of the baffle is very smooth, thereby effectively reducing the phenomenon of powder adhesion, and after discharging is completed, only a period of time is needed to separate the powder from the bottom of the baffle by gravity, thereby avoiding the dust and waste caused by the powder at the bottom of the baffle after it is taken out.

[0010] Further, the sealing air bag is made of fluororubber material.

[0011] By adopting the above technical scheme, since the sealing air bag is made of fluororubber material, the surface of the sealing air bag is very smooth, thereby effectively reducing the phenomenon of powder adhesion, and after discharging is completed, only a period of time is needed to separate the powder from the bottom of the sealing air bag by gravity, thereby avoiding the dust and waste caused by the powder at the bottom of the sealing air bag after it is taken out.

[0012] Further, a through hole is formed in the middle of the bottom of the baffle, and the electric butterfly valve corresponds to the through hole in the bottom of the baffle.

[0013] By adopting the technical scheme, after the top of the barrel is sealed, the staff opens the electric butterfly valve, and the powder in the storage tank falls into the barrel under the influence of gravity.

[0014] Further, the electric cylinder is provided with two, and the two electric cylinders are mirror image arranged.

[0015] By adopting the technical scheme, after the electric cylinder is started, the output end drives the baffle, the sealing air bag and the electric butterfly valve and other components to move downward, so that the baffle blocks the opening at the top of the cylinder.

[0016] Further, the base top is provided with a weighing device in the middle, and the barrel is placed on the top of the weighing device, and the storage tank is connected to the both sides of the base top, and the feeding pipe penetrates through the top of the storage tank.

[0017] By adopting the technical scheme, the electric butterfly valve connected by the traditional flange is connected with the corrugated pipe through the connecting pipe, and the corrugated pipe is fastened by the clamp.

[0018] Further, the sealing air bag is annular, and the sealing air bag is sleeved with the outer circle of the baffle, and the sealing air bag is in contact with the top of the barrel.

[0019] By adopting the technical scheme, the sealing air bag fills the gap between the baffle and the top of the cylinder, so that the phenomenon of powder flying out is effectively avoided.

[0020] Further, the diameter of the baffle is greater than the diameter of the barrel, and the baffle is detachably connected with the barrel.

[0021] By adopting the technical scheme, the baffle blocks the opening at the top of the cylinder, so that the phenomenon of waste and dust flying out caused by powder is effectively reduced.

[0022] Further, the electric butterfly valve is connected with the connecting pipe at the top, the corrugated pipe is sleeved with two clamps outside, and the corrugated pipe is detachably connected with the storage tank and the connecting pipe through the two clamps.

[0023] By adopting the technical scheme, the electric butterfly valve connected by the traditional flange is connected with the corrugated pipe through the connecting pipe, and the corrugated pipe is fastened by the clamp.

[0024] Further, the air inlet end of the piston air compressor is connected with an air compressor filter.

[0025] By adopting the technical scheme, the air sucked by the piston air compressor is filtered through the air compressor filter, so that the dust in the environment is prevented from entering to aggravate the wear of the piston air compressor.

[0026] In summary, the utility model mainly has the following beneficial effects:

[0027] 1. The utility model discloses a bellow, electric jar, baffle and electric butterfly valve's setting, before discharging electric jar drive baffle and electric butterfly valve move down, make baffle cover the opening of the top of cylinder, thereby effectively reduce the phenomenon that powder flies out and causes waste and dust raising, and the bellow can adapt the displacement of baffle and electric butterfly valve and produce deformation, avoid the pipeline to be pulled apart, convenient cover the powder that discharges and raises, reduce waste and the dust raising phenomenon of outside to take place,

[0028] 2. The utility model discloses through the setting of piston type air compressor, check valve, sealing air bag and electromagnetic valve, after baffle extends into the cylinder, piston type air compressor starts and pumps to sealing air bag, makes sealing air bag inflation, thereby fill the gap between baffle and the top of cylinder, thereby effectively avoid the phenomenon that powder flies out to take place, and check valve avoids the reflux of compressed gas, after discharging, can open electromagnetic valve and make the compressed gas in sealing air bag discharge, in order to reattach the top of barrel next time, improve the airtightness and effectively avoid powder flying out,

[0029] 3. The utility model discloses through the setting of baffle and sealing air bag, baffle bottom coats PTFE coating, and sealing air bag is fluorine rubber material, make both surfaces very smooth, effectively reduce the phenomenon that powder adheres, only need to rest for a period of time and can through gravity and make powder and baffle and the bottom of sealing air bag separate, thereby avoid the bottom powder of baffle and sealing air bag taking out and cause dust raising and waste, further reduce the dust raising and waste phenomenon to take place. SHEET REFERENCE

[0030] Figure 1 It is the structure schematic diagram of the utility model;

[0031] Figure 2 It is the baffle overhead structure schematic diagram of the utility model;

[0032] Figure 3 It is the baffle section structure schematic diagram of the utility model;

[0033] Figure 4 It is the sealing air bag structure schematic diagram of the utility model;

[0034] Figure 5 It is the storage tank section structure schematic diagram of the utility model.

[0035] In the drawing: 1, base;2, weigher;3, barrel;4, storage tank;5, feed pipe;6, bellow;7, hoop;8, electric jar;9, baffle;10, electric butterfly valve;11, connecting pipe;12, piston type air compressor;13, air compressor filter;14, check valve;15, sealing air bag;16, electromagnetic valve. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0037] The embodiments will be described below according to the overall structure of the utility model.

[0038] Embodiment one

[0039] A kind of plastic paint production is discharged quantitatively device, as shown in Figures 1-5 It includes base 1 and storage tank 4, the bottom of storage tank 4 is respectively provided with electric cylinder 8 and bellows 6, electric cylinder 8 is provided with two, two electric cylinder 8 mirror image is arranged, the output end of electric cylinder 8 is connected with baffle 9, the diameter of baffle 9 is greater than the diameter of barrel body 3, baffle 9 is detachably connected with barrel body 3, baffle 9 bottom is coated with PTFE coating, baffle 9 top is equipped with electric butterfly valve 10, baffle 9 bottom middle is provided with through hole, electric butterfly valve 10 corresponds with baffle 9 bottom through hole;Baffle 9 top one side is equipped with piston air compressor 12, piston air compressor 12 outlet end is connected with one-way valve 14, one-way valve 14 bottom is connected with sealed air bag 15, sealed air bag 15 is made of fluorine rubber material, sealed air bag 15 is circular ring, sealed air bag 15 is sleeved on the outer ring of baffle 9 and is fixed by fluorine rubber special adhesive, sealed air bag 15 is in contact with the top of barrel body 3, sealed air bag 15 top one side is connected with electromagnetic valve 16, electromagnetic valve 16 is installed on the other side of baffle 9 top, baffle 9 covers the opening of cylinder top, thereby effectively reducing the waste and dust phenomenon caused by powder flying out;And sealed air bag 15 fills the gap between baffle 9 and cylinder top, thereby effectively avoiding the phenomenon of powder flying out;And because baffle 9 bottom is coated with PTFE coating and sealed air bag 15 is made of fluorine rubber material, the surface of the two is very smooth, effectively reducing the phenomenon of powder adhesion, after discharging, only need to stand for a period of time, powder can be separated from the bottom of baffle 9 and sealed air bag 15 by gravity, thereby avoiding the bottom powder of baffle 9 and sealed air bag 15 after taking out causing dust and waste.

[0040] Referring to Figure 1 And Figure 5 In the above embodiment, the top of base 1 is equipped with weighter 2, barrel body 3 is placed on the top of weighter 2, storage tank 4 is connected on both sides of the top of base 1, inlet pipe 5 penetrates the top of storage tank 4, powder enters storage tank 4 temporarily by the way of pneumatic conveying cooperated with inlet pipe 5, the powder in storage tank 4 drops into barrel body 3 under the influence of gravity, and the powder in barrel body 3 is weighed by weighter 2 during the period.

[0041] Embodiment two

[0042] On the basis of the above embodiment one, in order to increase stability, now through the following settings.

[0043] Reference Figures 1-3 In the above embodiment, the electric butterfly valve 10 is connected with the connecting pipe 11 at the top, the corrugated pipe 6 is sleeved with two hoops 7 outside, the corrugated pipe 6 is detachably connected with the storage tank 4 and the connecting pipe 11 through the two hoops 7, and the electric butterfly valve 10 connected with the corrugated pipe 6 in a traditional flange connection mode is connected with the corrugated pipe 6 through the setting of the connecting pipe 11, and the corrugated pipe 6 is fastened by the hoops.

[0044] Embodiment three:

[0045] On the basis of the above embodiment one, in order to avoid the piston air compressor 12 from sucking dust, now through the following settings.

[0046] Reference Figures 2-4 In the above embodiment, the piston air compressor 12 is connected with the air compressor filter 13 at the air inlet end, and the air sucked by the piston air compressor 12 is filtered through the air compressor filter 13, so that the dust in the environment is prevented from entering to aggravate the wear of the piston air compressor 12.

[0047] The implementation principle of the utility model is as follows: firstly, the powder is temporarily stored in the storage tank 4 by being fed into the storage tank 4 through the pneumatic conveying mode cooperating with the feeding pipe 5; when discharging is needed, the staff places the barrel body 3 on the top of the weighing device 2, and then the staff starts the electric cylinder 8 and the piston air compressor 12; after the electric cylinder 8 is started, the output end drives the baffle 9, the sealing air bag 15 and the electric butterfly valve 10 and other components to move downward, so that the baffle 9 shields the opening at the top of the cylinder, and the corrugated pipe 6 can be deformed to adapt to the displacement of the baffle 9 and the electric butterfly valve 10, so as to avoid the pipeline from being pulled off; however, it should be noted that the deformation amount of the corrugated pipe 6 is limited, and the height of the barrel body 3 cannot be too low, so as to avoid the phenomenon that the gap between the baffle 9 and the barrel body 3 is too large, the downward displacement of the baffle 9 is large, and the corrugated pipe 6 is pulled off; after the piston air compressor 12 is started, the piston air compressor 12 inflates the sealing air bag 15, so that the sealing air bag 15 expands and fills the gap between the baffle 9 and the top of the cylinder; it should be noted that the air pressure of the sealing air bag 15 does not need to be high, and only needs to fill the gap, so as to reduce the downward pressure applied by the sealing air bag 15 to the barrel body 3; after the sealing air bag 15 is inflated and the air pressure is stable, the weighing device 2 is peeled off, one is to avoid the weight of the barrel body 3 from affecting the weighing accuracy, and the other is to remove the accuracy error caused by the downward pressure applied by the sealing air bag 15 to the barrel body 3.

[0048] After the barrel body 3 is sealed, the staff opens the electric butterfly valve 10, at this time, the powder in the storage tank 4 is affected by gravity and falls into the barrel body 3, during which the powder in the barrel body 3 is weighed by the weighing device 2; the baffle 9 blocks the top opening of the cylinder, thereby effectively reducing the waste and dust phenomenon caused by the powder flying out; and the sealing air bag 15 fills the gap between the baffle 9 and the top of the cylinder, thereby effectively avoiding the phenomenon of powder flying out; and because the bottom of the baffle 9 is coated with a PTFE coating and the sealing air bag 15 is made of fluorine rubber material, the surfaces of the two are very smooth, effectively reducing the phenomenon of powder adhesion, after the discharge is completed, only a period of time is needed to separate the powder from the bottom of the baffle 9 and the sealing air bag 15 by gravity, thereby avoiding the phenomenon of dust and waste caused by the powder at the bottom of the baffle 9 and the sealing air bag 15 after being taken out.

[0049] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A quantitative discharging device for plastic paint production, comprising a base (1) and a storage tank (4), characterized in that: The bottom of the storage tank (4) is respectively provided with an electric cylinder (8) and a bellows (6), and the output end of the electric cylinder (8) is connected with a baffle (9), and the top of the baffle (9) is installed with an electric butterfly valve (10); the top of the baffle (9) is installed with a piston air compressor (12) on one side, and the air outlet end of the piston air compressor (12) is connected with a check valve (14), and the bottom of the check valve (14) is connected with a sealing air bag (15), the top of the sealing air bag (15) is connected with a solenoid valve (16) on one side, and the solenoid valve (16) is installed on the other side of the top of the baffle (9).

2. The plastic paint production quantitative discharging device according to claim 1, characterized in that: The bottom of the baffle (9) is coated with a PTFE coating.

3. The plastic paint production quantitative discharging device according to claim 1, characterized in that: The sealing air bag (15) is made of fluororubber material.

4. The quantitative discharging device for plastic paint production according to claim 2, characterized in that: The bottom of the baffle (9) is provided with a through hole in the middle, and the electric butterfly valve (10) corresponds to the through hole in the bottom of the baffle (9).

5. The plastic paint production quantitative discharging device according to claim 1, characterized in that: The electric cylinder (8) is provided with two, and the two electric cylinders (8) are mirror image arranged.

6. The plastic paint production quantitative discharging device according to claim 1, characterized in that: The top of the base (1) is installed with a weigher (2) in the middle, and the top of the weigher (2) is placed with a barrel (3), the top of the base (1) is connected with a storage tank (4) on both sides, and the top of the storage tank (4) is penetrated with a feeding pipe (5).

7. The plastic paint production quantitative discharging device according to claim 6, characterized in that: The sealing air bag (15) is circular, and the sealing air bag (15) is sleeved on the outer ring of the baffle (9), and the sealing air bag (15) is in contact with the top of the barrel (3).

8. The plastic paint production quantitative discharging device according to claim 6, characterized in that: The diameter of the baffle (9) is greater than the diameter of the barrel (3), and the baffle (9) is detachably connected with the barrel (3).

9. The plastic paint production quantitative discharging device according to claim 1, characterized in that: The top of the electric butterfly valve (10) is connected with a connecting pipe (11), the outside of the bellows (6) is sleeved with two clamps (7), and the bellows (6) is detachably connected with the storage tank (4) and the connecting pipe (11) through the two clamps (7).

10. The plastic paint production quantitative discharging device according to claim 1, characterized in that: The air inlet end of the piston air compressor (12) is connected with an air compressor filter (13).

Citation Information

Patent Citations

  • Quantitative discharging device for plastic coating production

    CN216678115U

  • Quantitative discharging device

    CN219636215U

  • Quantitative discharging device for water-based industrial paint

    CN222647167U