CN111299000A - Dry powder coating electrostatic powder spraying system - Google Patents
Dry powder coating electrostatic powder spraying system Download PDFInfo
- Publication number
- CN111299000A CN111299000A CN202010170051.4A CN202010170051A CN111299000A CN 111299000 A CN111299000 A CN 111299000A CN 202010170051 A CN202010170051 A CN 202010170051A CN 111299000 A CN111299000 A CN 111299000A
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- Prior art keywords
- powder
- spray gun
- voltage
- electrostatic
- voltage module
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
- B05B5/0418—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces designed for spraying particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
- B05B5/053—Arrangements for supplying power, e.g. charging power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/16—Arrangements for supplying liquids or other fluent material
- B05B5/1683—Arrangements for supplying liquids or other fluent material specially adapted for particulate materials
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- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a dry powder coating electrostatic powder spraying system, which belongs to the technical field of pharmaceutical equipment and comprises an electrostatic powder spray gun, a high-voltage module and a powder supply system, wherein the high-voltage module is an external high-voltage module, the electrostatic powder spray gun is connected with the high-voltage module through a cable, the high-voltage module is used for generating high-voltage static electricity and controlling the working voltage and current of the electrostatic powder spray gun, and the electrostatic powder spray gun is connected with the powder supply system through a conveying pipe. The electrostatic powder spray gun with the external high-voltage module is adopted, so that the size of the electrostatic powder spray gun is greatly reduced, the electrostatic powder spray gun can be vertically placed above a tablet bed in the coating pan and can aim at the central area of the tablet bed for spraying, and the electrostatic powder spray effect is improved.
Description
Technical Field
The invention relates to the technical field of dry powder coating pharmacy, in particular to an electrostatic powder spraying system for dry powder coating.
Background
Dry coating technology has been gaining popularity in recent years due to its many advantages over conventional wet coating techniques.
When the dry powder coating operation is carried out on the solid preparation, special dry powder coating equipment is required, and an electrostatic powder spraying system in the dry powder coating equipment is an indispensable important component of the equipment. However, the electrostatic powder spraying system used in the existing dry powder coating equipment is mainly designed and modified based on the traditional wet coating technology, and an electrostatic spray gun based on industrial application is mostly adopted. The electrostatic spray gun is often large in size due to the fact that the high-voltage module is arranged in the high-voltage module, the electrostatic spray gun is difficult to place in a coating pan and aim at the optimal spraying area of a slice bed, and the electrostatic spray effect is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a dry powder coating electrostatic powder spraying system.
In order to achieve the purpose, the invention provides the following technical scheme: the invention provides a dry powder coating electrostatic powder spraying system which comprises an electrostatic powder spray gun, a high-voltage module and a powder supply system, wherein the high-voltage module is an external high-voltage module, the electrostatic powder spray gun is connected with the high-voltage module through a cable, the high-voltage module is used for generating high-voltage static electricity and controlling the working voltage and current of the electrostatic powder spray gun, and the electrostatic powder spray gun is connected with the powder supply system through a conveying pipe.
Preferably, the electrostatic powder spray gun comprises a gun body, a nozzle is arranged at the front end of the gun body, a power supply interface is arranged at the tail of the gun body, a powder input port is formed in the gun body and communicated with the interior of the gun body, and the powder input port is used for receiving coating powder materials discharged by a powder supply system.
Preferably, a high-voltage discharge needle is arranged inside the gun body, the high-voltage discharge needle is fixed at one end of a power supply interface of the spray gun, and the power supply interface of the spray gun is used for being connected with the output end of the high-voltage module.
Preferably, the high voltage module comprises a display screen, and a button capable of adjusting current and voltage is arranged on one side of the display screen.
Preferably, the powder supply system comprises a powder barrel and a high-pressure gas source pipeline, wherein a powder output hole is formed in the top of the powder barrel and used for supplying coating powder materials to the electrostatic powder spray gun.
Preferably, a powder barrel pump is arranged at the bottom of the powder barrel and connected with a high-pressure air source pipeline.
Preferably, the coated powder material in the powder container is fluidized by the powder container pump and the high pressure gas supply line.
Preferably, a powder barrel controller is arranged on the powder barrel and used for controlling the powder spraying amount of the electrostatic powder spray gun.
Compared with the prior art, the invention has the beneficial effects that: the electrostatic powder spray gun with the external high-voltage module is adopted, so that the size of the electrostatic powder spray gun is greatly reduced, the electrostatic powder spray gun can be vertically placed above a tablet bed in the coating pan and can aim at the central area of the tablet bed for spraying, and the electrostatic powder spray effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does 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 without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1, a dry powder coating electrostatic powder spraying system includes an electrostatic powder spray gun, a high voltage module 7 and a powder supply system, the high voltage module 7 is an external high voltage module, the electrostatic powder spray gun is connected with the high voltage module 7 through a cable 5, the high voltage module is used for generating high voltage static electricity and controlling the working voltage and current of the electrostatic powder spray gun, and the electrostatic powder spray gun is connected with the powder supply system through a delivery pipe 9. The high-voltage module 7 of the electrostatic powder spray gun is arranged externally, so that the volume of the electrostatic spray gun can be greatly reduced, the aim of placing the spray gun into a coating pot by means of a coating equipment support and spraying powder to the central area of a tablet bed at an angle vertical to the tablet bed can be achieved, and the uniformity of the sprayed powder is effectively improved. Because the electrostatic spray gun is placed in the coating pan, the risk of electric shock of an operator can be greatly reduced.
The electrostatic powder spray gun comprises a gun body 3, a nozzle 2 is arranged at the front end of the gun body 3, a power supply interface 4 is arranged at the tail part of the gun body 3, a powder input port 8 is further formed in the gun body 3, the powder input port 8 is communicated with the inside of the gun body 3, and the powder input port 8 is used for receiving coating powder materials discharged by a powder supply system.
The gun body 3 is internally provided with a high-voltage discharge needle 1, the high-voltage discharge needle 1 is fixed at one end of a spray gun power interface 4, and the spray gun power interface 4 is used for being connected with the output end of a high-voltage module 7.
In order to facilitate the control of the operating voltage and current of the electrostatic powder spray gun by the operator, the high voltage module 7 comprises a display screen, on one side of which buttons are provided that can adjust the voltage and current of the electrostatic powder spray gun.
The powder supply system comprises a powder barrel 13 and a high-pressure gas source pipeline 11, wherein a powder output hole 10 is formed in the top of the powder barrel 13, and the powder output hole 10 is used for supplying coating powder materials to the electrostatic powder spray gun.
The bottom of the powder barrel 13 is provided with a powder barrel pump 6, and the powder barrel pump 6 is connected with a high-pressure air source pipeline 11.
The coating powder material in the powder barrel 13 is fluidized under the action of the powder barrel pump 6 and the high-pressure air source pipeline 11, so that the powder spraying amount of the electrostatic powder spray gun in unit time can be effectively reduced, the retention time of the electrostatic powder in the coating pan is prolonged, and the utilization rate and the coating effect of the coating powder are improved.
The powder barrel 13 is provided with a powder barrel controller 12, the powder barrel controller 12 is used for controlling the powder spraying amount of the electrostatic powder spray gun, and by adjusting the powder barrel controller 12, the coating material powder in the powder barrel 13 can be fluidized and conveyed to the interior of the spray gun body 3 through the powder conveying pipe 9 and sprayed out from the spray nozzle 2.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a dry powder coating electrostatic powder spraying system which characterized in that: including static powder spray gun, high-voltage module and confession powder system, the high-voltage module is external high-voltage module, static powder spray gun passes through the cable conductor and links to each other with high-voltage module, high-voltage module is used for producing high-voltage static and controls static powder spray gun's operating voltage and electric current, static powder spray gun passes through the conveyer pipe and links to each other with the confession powder system.
2. A dry powder coating electrostatic dusting system according to claim 1 characterized by: the electrostatic powder spray gun comprises a gun body, a spray nozzle is arranged at the front end of the gun body, a power supply interface is arranged at the tail of the gun body, a powder input port is formed in the gun body and communicated with the interior of the gun body, and the powder input port is used for receiving coating powder materials discharged by a powder supply system.
3. A dry powder coating electrostatic dusting system as claimed in claim 2 wherein: the high-voltage spray gun is characterized in that a high-voltage spray needle is arranged in the gun body and fixed at one end of a spray gun power supply interface, and the spray gun power supply interface is used for being connected with the output end of a high-voltage module.
4. A dry powder coating electrostatic dusting system according to claim 3 characterized by: the high-voltage module comprises a display screen, and a button capable of adjusting current and voltage is arranged on one side of the display screen.
5. A dry powder coating electrostatic dusting system according to claim 1 characterized by: the powder supply system comprises a powder barrel and a high-pressure gas source pipeline, wherein a powder output hole is formed in the top of the powder barrel and used for providing coating powder materials for the electrostatic powder spray gun.
6. A dry powder coating electrostatic dusting system according to claim 5 characterized by: and a powder barrel pump is arranged at the bottom of the powder barrel and is connected with a high-pressure air source pipeline.
7. A dry powder coating electrostatic dusting system according to claim 5 characterized by: the coating powder material in the powder barrel is fluidized under the action of the powder barrel pump and the high-pressure air source pipeline.
8. A dry powder coating electrostatic dusting system according to claim 7 wherein: and a powder barrel controller is arranged on the powder barrel and is used for controlling the powder spraying amount of the electrostatic powder spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170051.4A CN111299000A (en) | 2020-03-12 | 2020-03-12 | Dry powder coating electrostatic powder spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170051.4A CN111299000A (en) | 2020-03-12 | 2020-03-12 | Dry powder coating electrostatic powder spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299000A true CN111299000A (en) | 2020-06-19 |
Family
ID=71162259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010170051.4A Pending CN111299000A (en) | 2020-03-12 | 2020-03-12 | Dry powder coating electrostatic powder spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111299000A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0553052A1 (en) * | 1992-01-22 | 1993-07-28 | José De Fusco Lupo | Gun for electrostatic spraying of powders of different colours and characteristics |
| CN1346714A (en) * | 2001-11-13 | 2002-05-01 | 南通中集顺达集装箱有限公司 | Electrostatic spray method for Zn-enriched priming paint |
| CN202876989U (en) * | 2012-11-11 | 2013-04-17 | 浙江荣鹏气动工具有限公司 | Electrostatic spray gun |
| CN109332031A (en) * | 2018-12-26 | 2019-02-15 | 荣成市天健管道防腐保温器材有限公司 | A kind of electrostatic generator external pipeline corrosion protection spray equipment |
| CN110605192A (en) * | 2019-09-30 | 2019-12-24 | 上海图博可特石油管道涂层有限公司 | Multifunctional powder coating spraying device |
-
2020
- 2020-03-12 CN CN202010170051.4A patent/CN111299000A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0553052A1 (en) * | 1992-01-22 | 1993-07-28 | José De Fusco Lupo | Gun for electrostatic spraying of powders of different colours and characteristics |
| CN1346714A (en) * | 2001-11-13 | 2002-05-01 | 南通中集顺达集装箱有限公司 | Electrostatic spray method for Zn-enriched priming paint |
| CN202876989U (en) * | 2012-11-11 | 2013-04-17 | 浙江荣鹏气动工具有限公司 | Electrostatic spray gun |
| CN109332031A (en) * | 2018-12-26 | 2019-02-15 | 荣成市天健管道防腐保温器材有限公司 | A kind of electrostatic generator external pipeline corrosion protection spray equipment |
| CN110605192A (en) * | 2019-09-30 | 2019-12-24 | 上海图博可特石油管道涂层有限公司 | Multifunctional powder coating spraying device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
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| RJ01 | Rejection of invention patent application after publication |