CN218868417U - Strong-blowing high-negative-pressure suction type electrostatic dust collection device - Google Patents
Strong-blowing high-negative-pressure suction type electrostatic dust collection device Download PDFInfo
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- CN218868417U CN218868417U CN202222716679.7U CN202222716679U CN218868417U CN 218868417 U CN218868417 U CN 218868417U CN 202222716679 U CN202222716679 U CN 202222716679U CN 218868417 U CN218868417 U CN 218868417U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention provides a forced blowing high negative pressure suction type electrostatic dust removal device which comprises a dust collection pipeline, a pneumatic rotary spray head, an air pipe, an L-shaped adapter, an inner side dust collection cover plate, an outer side dust collection cover plate, an electrostatic rod supporting rod, an electrostatic rod, a conveying belt, a fixing bolt, a connector mounting sleeve and a pneumatic connector. The pneumatic type rotating nozzle is introduced with clean and dry high-pressure gas to rotate, and the high-pressure gas is sprayed out by the dust removal nozzle by utilizing a runner in the cavity of the nozzle to generate pulse-type airflow to blow dust; the opening shapes of the driving nozzle and the dust removal nozzle are small round holes, the air consumption is relatively small, and the dust removal nozzle can be subjected to angle adjustment in the circumferential direction to meet different dust removal working conditions. In addition, the strong blowing high negative pressure suction type electrostatic dust collection device has the advantages of simple structure, simple and convenient installation and low maintenance cost.
Description
Technical Field
The invention relates to the field of electrostatic dust removal devices, in particular to a forced blowing high negative pressure suction type electrostatic dust removal device.
Background
The PCB is an important electronic component, a support for the electronic component, and a carrier for electrical connection of the electronic component. After the PCB is processed by the technological processes of cutting, pressing, punching and the like, the surface, the edge and the inside of the through hole of the PCB can accumulate scraps and dust, and the scraps and the dust are difficult to clean.
Dust impurity in the easy adsorbed air in the time of in the PCB board production process pollutes the PCB board, can increase the probability that the PCB board damaged, reduces the life-span of PCB board, and traditional PCB board dust shaker utilizes the cylinder to remove dust, nevertheless meets PCB board surface components and parts unevenness, when the great condition of fluctuation, clean effect is poor, and the cylinder needs the periodic replacement.
For a novel PCB dust removal system, a blowing unit is mostly adopted for cleaning and removing dust, a dust removal air knife is a main tool, but the angle of the air knife is mostly unadjustable, the PCB cannot be cleaned, and the dust removal requirement cannot be met under some conditions; and the air outlet area is large, the gas loss is too large, and unnecessary waste is caused.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a strong-blowing high-negative-pressure suction type electrostatic precipitator, which is used to solve the problems of non-adjustable angle of the precipitation air knife, poor cleaning effect and high air consumption in the prior art.
To achieve the above and other related objects, the present invention provides a strong blowing high negative pressure suction type electrostatic precipitator, comprising: the device comprises a dust collection pipeline, a pneumatic rotary joint, an air pipe, an electrostatic rod supporting rod, a conveying belt, an L-shaped adapter, an electrostatic rod, an inner side dust collection cover plate, an outer side dust collection cover plate, a joint mounting sleeve, a fixing bolt and a pneumatic joint; the method is characterized in that: the conveying belt is positioned below the whole dust removal device and is used for conveying workpieces; the middle part of the top plate of the outer dust-absorbing cover plate is provided with a hole and is connected with a dust-absorbing pipeline; the electrostatic rods are connected with the electrostatic rod support rods, are arranged on one side of the long edge of the inner side dust collection cover plate and are symmetrically distributed; the electrostatic rod support rod respectively passes through the small holes formed in the two ends of the short edge of the outer side dust absorption cover plate and the short edge of the inner side dust absorption cover plate to fix the positions of the outer side dust absorption cover plate and the inner side dust absorption cover plate.
The inner side dust absorption cover plate is arranged below the outer side dust absorption cover plate, a middle recess is formed between the inner side dust absorption cover plate and the outer side dust absorption cover plate, and four sides of the protrusion are similar to a reversed bowl-shaped dust absorption area; one end of the pneumatic connector is connected with the pneumatic rotary nozzle through threads, the other end of the pneumatic connector is connected with the air pipe, and the air pipe horizontally arranged on the lower side of the top plate of the inner dust-absorbing cover plate is vertically arranged through the L-shaped adapter, so that high-pressure air can be conveniently introduced; the pneumatic connector is clamped into a specific connector mounting sleeve, and the connector mounting sleeve is fixed on the top plate of the inner side dust absorption cover plate through a fixing bolt so as to fix the pneumatic rotary nozzle.
The pneumatic type rotary sprayer comprises: the device comprises a driving cavity, a dust removal cavity, a hollow shaft, a limiting nut, a pin, a first sealed bearing, a second sealed bearing, an X-shaped sealing ring, a gland, an annular cavity, a driving nozzle, a dust removal nozzle, a connecting bolt and a long bolt; the method is characterized in that: the lower end of the hollow shaft is provided with a boss, the second sealed bearing is placed on the top surface of the boss at the lower end of the hollow shaft, and the bottom surface of the boss in the driving cavity clamps the second sealed bearing for axial limiting; the lower end of the limiting nut is provided with a boss, the first sealed bearing is placed on the top surface of the boss in the driving cavity, the limiting nut fixed on the hollow shaft limits the position of the first sealed bearing, and the axial directions of the first sealed bearing and the second sealed bearing are fixed; the top surface of a boss in the driving cavity supports a first sealed bearing, and a limit nut is fixed near an opening at the upper end of the hollow shaft by a pin; cylindrical grooves are formed near the opening at the upper end of the hollow shaft and are symmetrically distributed, pins are inserted into the grooves to fix the limiting nut, and the length of the pins is higher than that of the side surface of the limiting nut, so that the pins are convenient to disassemble and install; the X-shaped sealing ring is fixed in a groove in the middle of the hollow shaft, is tightly attached to the inner surface of the groove, and has a certain gap with the side surface of a boss in the driving cavity; the driving nozzle is two small holes formed in the protruding parts on the two sides of the driving cavity, the vertical distance between the center point of the driving nozzle and the axis of the hollow shaft is the same, the size of the opening is the same, and the directions of the openings are opposite.
The lower end of the driving cavity is provided with a protruding part for being inserted into the dust removal cavity, and the driving cavity is fixedly connected with the dust removal cavity through a connecting bolt; the dust removal nozzles are embedded in the circumferential direction of the annular cavity, the types and the number of the dust removal nozzles can be changed as required, and the annular cavity body is tightly arranged on the raised circular rings at the two sides of the dust removal cavity through the long bolts and the pressing covers; the central part of the gland is provided with a concave table top which is contacted with the bottom surface of the head of the long bolt and is used for pressing the annular cavity; the annular cavity can rotate on the axis of the long bolt and is used for adjusting the dust removal angle of the dust removal nozzle.
As described above, the invention provides a strong-blowing high-negative-pressure suction type electrostatic dust removal device, which has the following beneficial effects: when the conveyer belt starts to convey the PCB, high-pressure gas is introduced into the pneumatic type rotary sprayer to drive the high-pressure gas sprayed out by the nozzle to generate speed, and further the speed is converted into kinetic energy, so that the pneumatic type rotary sprayer starts to rotate; through the inside cavity runner of pneumatic type rotatory nozzle, high-pressure gas blows grey dust sweep from the outflow of dust removal nozzle, and rotatory pneumatic type rotatory nozzle makes dust removal nozzle spout the air current that has certain "pulsed" to make clean effect more effective. The dust removal nozzle is embedded in the annular cavity, and the dust blowing angle, type and number of the dust removal nozzle can be changed according to the shape and dust removal requirements of a workpiece, so that different working conditions are met. The static bar works simultaneously to release positive and negative ions and eliminate static on the PCB; the dust is raised and sucked into a dust collection area formed by the inner dust collection cover plate and the outer dust collection cover plate, and then flows into a dust collection pipeline to finish the whole dust collection work. The forced blowing high negative pressure suction type electrostatic dust removal device is integrally modularized, is simple and convenient to install and is low in maintenance cost; the pneumatic rotary sprayer only depends on high-pressure gas to rotate and remove dust, no additional energy consumption is caused, the structure is compact, the sealing performance is good, and the gas consumption is low.
Drawings
FIG. 1 is a three-dimensional structure view of the strong blowing high negative pressure suction type electrostatic dust collector of the present invention.
Fig. 2 is a three-dimensional structural sectional view of the strong blowing high negative pressure suction type electrostatic dust collector of the present invention.
Fig. 3 is a front view of the strong blowing high negative pressure suction type electrostatic precipitator of the present invention.
Fig. 4 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A in fig. 3.
Fig. 5 is a lower view of the removal conveyer belt in the strong blowing high negative pressure suction type electrostatic precipitator of the present invention.
Fig. 6 is a perspective view illustrating the pneumatic type rotary sprinkler according to the present invention.
Fig. 7 is a sectional view of the upper half of the pneumatic type rotary spray head of the present invention.
Fig. 8 is a perspective view of the lower half of the pneumatic rotary nozzle according to the present invention.
Wherein: 1. a dust collection duct; 2. a pneumatic rotary spray head; 3. an air tube; 4.L adapter; 5. an inner dust-absorbing cover plate; 6. an outer dust-absorbing cover plate; 7. an electrostatic rod support; 8. an electrostatic rod; 9. a conveyor belt; 10. fixing the bolt; 11. a joint mounting sleeve; 12 a pneumatic joint; 201. a drive cavity; 202. a dust removal cavity; 203. a hollow shaft; 204. a limit nut; 205. a ring-shaped cavity; 206. a gland; 207. a long bolt; 208. a dust removal nozzle; 209. driving the nozzle; 210. a connecting bolt; 211. a pin; 212.x-shaped seal ring; 213. a first hermetic bearing; 214. a second sealed bearing.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Please refer to fig. 1 to 8. The same or similar reference numerals in the drawings of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate an orientation or a positional relationship based on that shown in the drawings, it is only for convenience of description and simplification of description, but not to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations on the present patent, and specific meanings of the terms may be understood according to specific situations by those of ordinary skill in the art.
Example one
As shown in fig. 1 to 6, the present embodiment provides a strong blowing high negative pressure suction type electrostatic dust collector, including: the device comprises a dust absorption pipeline 1, a pneumatic rotary spray head 2, an air pipe 3, an L-shaped adapter 4, an inner side dust absorption cover plate 5, an outer side dust absorption cover plate 6, an electrostatic rod supporting rod 7, an electrostatic rod 8, a conveying belt 9, a fixing bolt 10, a connector mounting sleeve 11 and a pneumatic connector 12.
Fig. 1 isbase:Sub>A perspective view of the strong negative pressure suction type electrostatic precipitator in this embodiment, fig. 2 isbase:Sub>A sectional view of the three-dimensional structure of the strong negative pressure suction type electrostatic precipitator, fig. 3 isbase:Sub>A front view of the strong negative pressure suction type electrostatic precipitator, fig. 4 isbase:Sub>A sectional view along the directionbase:Sub>A-base:Sub>A in fig. 3, fig. 5 isbase:Sub>A bottom view of the strong negative pressure suction type electrostatic precipitator for removingbase:Sub>A conveyor belt, and fig. 6 isbase:Sub>A perspective view ofbase:Sub>A pneumatic rotary head.
As an example, as shown in fig. 1 to 6, the conveyer belt 9 is located at a position below the whole strong blowing high negative pressure suction type electrostatic dust removing device and is used for conveying workpieces; the middle part of the top plate of the outer dust-absorbing cover plate 6 is provided with a hole and is connected with the dust-absorbing pipeline 1, so that the dust-absorbing cover plate plays a role in collecting dust; the electrostatic rods 8 are connected with the electrostatic rod support rods 7, are arranged on one side of the long edge of the inner dust-absorbing cover plate 5 and are symmetrically distributed; the electrostatic rod supporting rod 7 respectively penetrates through the small holes formed in the two ends of the short side of the outer side dust absorption cover plate 6 and the short side of the inner side dust absorption cover plate 5 to fix the positions of the two; the inner side dust absorption cover plate 5 is arranged below the outer side dust absorption cover plate 6, a middle recess is formed between the inner side dust absorption cover plate and the outer side dust absorption cover plate 6, and four sides of the inner side dust absorption cover plate are raised to form a dust absorption area similar to an inverted bowl shape; one end of the pneumatic connector 12 is connected with the pneumatic rotary nozzle 2 through threads, the other end of the pneumatic connector is connected with the air pipe 3, and the air pipe 3 horizontally arranged on the lower side of the top plate of the inner dust absorption cover plate 5 is vertically arranged through the L-shaped adapter 4, so that high-pressure air can be conveniently introduced; the pneumatic connector 12 is clamped into a specific connector mounting sleeve 11, and the connector mounting sleeve 11 is fixed on the top plate of the inner dust absorption cover plate 5 through a fixing bolt 10 so as to fix the pneumatic rotary nozzle 2.
Example two
Referring to fig. 6 to 8, the present embodiment provides a pneumatic type rotary nozzle, including: the pneumatic coupling comprises a mounting bolt 10, a coupling mounting sleeve 11, a pneumatic coupling 12, a driving cavity 201, a dust removal cavity 202, a hollow shaft 203, a limit nut 204, an annular cavity 205, a gland 206, a long bolt 207, a dust removal nozzle 208, a driving nozzle 209, a connecting bolt 210, a pin 211, an X-shaped sealing ring 212, a first sealing bearing 213 and a second sealing bearing 214.
Fig. 6 is a perspective view of the pneumatic type showerhead according to the present embodiment, fig. 7 is a cross-sectional view of an upper half of the pneumatic type showerhead, and fig. 8 is a perspective view of a lower half of the pneumatic type showerhead.
As an example, as shown in fig. 6 to 8, the lower end of the pneumatic connector 12 is in threaded connection with the hollow shaft 203, so as to facilitate the introduction of high-pressure gas; the joint mounting sleeve 11 clamps the pneumatic joint 12 to realize the fixing function. The lower end of the driving cavity 201 is provided with a convex part which can be inserted into the dust removing cavity 202, and the driving cavity 201 and the dust removing cavity are tightly connected through a connecting bolt 210, so that the sealing performance is ensured.
As an example, as shown in fig. 7, the lower end of the hollow shaft 203 is provided with a boss, the second hermetic bearing 214 is placed on the top surface of the boss at the lower end of the hollow shaft 203, and the bottom surface of the boss inside the driving cavity 201 clamps the second hermetic bearing 214 for axial limiting; a cylindrical groove is formed near the opening at the upper end of the hollow shaft 203 and is symmetrically distributed, and the pins 211 are inserted into the groove to fix the limit nut 204 so as to limit the position of the first sealed bearing 213; the length of the pin 211 is higher than that of the side surface of the limiting nut 204, so that the pin is convenient to disassemble and assemble; the X-shaped sealing ring 212 is fixed in a circular groove in the middle of the hollow shaft 203, is tightly attached to the inner surface of the groove, and has a certain gap with the side surface of a boss in the driving cavity 201 so as to reduce the abrasion of the X-shaped sealing ring 212; the driving nozzle 209 is two small holes formed in the convex parts on the two sides of the driving cavity 201, the vertical distances between the center points of the driving nozzle 209 and the axis of the hollow shaft are the same, the sizes of the openings are the same, the directions of the openings are opposite, and the driving nozzle 209 sprays high-pressure gas to realize rotation.
As an example, as shown in fig. 8, the dust removing nozzles 208 are embedded in the circumferential direction of the ring-shaped cavity 205, and the type and number of the dust removing nozzles 208 can be changed as required; the two sides of the dust removal cavity 202 are provided with convex circular rings which can be matched with the circular cavity 205 to ensure sealing; the central part of the gland 206 is provided with a concave table surface which is contacted with the bottom surface of the head of the long bolt 207 and is used for pressing and fixing the annular cavity 205; the ring-shaped chamber 205 can rotate on the axis of the long bolt 207 for adjusting the dust removing angle of the dust removing nozzle 208.
In conclusion, the invention provides a forced-blowing high-negative-pressure suction type electrostatic dust removal device, high-pressure gas is sprayed out from a driving nozzle 209 to generate a driving force, so that a pneumatic type rotary spray head 2 rotates, the gas flow sprayed out from the dust removal nozzle 208 passes through an internal flow channel to blow dust, the rotating dust removal nozzle 208 generates a certain pulse type gas flow, a PCB (printed circuit board) can be cleaned efficiently, and the pneumatic energy consumption is low and the gas consumption is low; the dust removal nozzle 208 embedded in the annular cavity 205 can rotate around the central axis of the long bolt 207, so that the dust removal angle is adjusted, and different dust removal working conditions are met; the strong blowing high negative pressure suction type electrostatic dust collection device is composed of a plurality of components, is modularized, is simple to install, is low in maintenance cost and is high in practicability.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. A forced blowing high negative pressure suction type electrostatic dust removal device comprises a dust collection pipeline (1), a pneumatic rotary spray head (2), an air pipe (3), an L-shaped adapter (4), an inner side dust collection cover plate (5), an outer side dust collection cover plate (6), an electrostatic rod support rod (7), an electrostatic rod (8), a conveying belt (9), a fixing bolt (10), a connector mounting sleeve (11) and a pneumatic connector (12); the method is characterized in that: the conveying belt (9) is positioned below the whole dust removing device and is used for conveying workpieces; the middle part of the top plate of the outer dust-absorbing cover plate (6) is provided with a hole and is connected with the dust-absorbing pipeline (1); the electrostatic rods (8) are connected with the electrostatic rod supporting rods (7), are arranged on one side of the long edge of the inner side dust collection cover plate (5), and are symmetrically distributed; the electrostatic rod supporting rod (7) respectively penetrates through the small holes formed in the two ends of the short side of the outer side dust absorption cover plate (6) and the short side of the inner side dust absorption cover plate (5) to fix the positions of the outer side dust absorption cover plate and the inner side dust absorption cover plate; the inner side dust absorption cover plate (5) is arranged below the outer side dust absorption cover plate (6) and forms a dust absorption area with a concave middle part and four convex sides similar to an inverted bowl shape with the outer side dust absorption cover plate (6); one end of the pneumatic connector (12) is connected with the pneumatic rotary nozzle (2), the other end of the pneumatic connector is connected with the air pipe (3), and the air pipe (3) horizontally arranged on the lower side of the top plate of the inner dust absorption cover plate (5) is vertically arranged through an L-shaped adapter (4); the pneumatic connector (12) is arranged in the connector mounting sleeve (11), and the connector mounting sleeve (11) is fixed on the top plate of the inner side dust absorption cover plate (5) through a fixing bolt (10) so as to fix the pneumatic rotary nozzle (2).
2. The forced-blowing high-negative-pressure suction type electrostatic dust removal device according to claim 1, comprising a driving cavity (201), a dust removal cavity (202), a hollow shaft (203), a limit nut (204), a ring-shaped cavity (205), a gland (206), a long bolt (207), a dust removal nozzle (208), a driving nozzle (209), a connecting bolt (210), a pin (211), an X-shaped sealing ring (212), a first sealing bearing (213) and a second sealing bearing (214); the method is characterized in that: the lower end of the hollow shaft (203) is provided with a boss, the second sealing bearing (214) is placed on the top surface of the boss at the lower end of the hollow shaft (203), and the bottom surface of the boss in the driving cavity (201) clamps and limits the second sealing bearing (214); the top surface of a boss in the driving cavity (201) supports a first sealed bearing (213), and a limit nut (204) is fixed near an opening at the upper end of a hollow shaft (203) by a pin (211); the X-shaped sealing ring (212) is fixed in a circular groove in the middle of the hollow shaft, and a certain gap is formed between the X-shaped sealing ring and the side surface of a boss in the driving cavity (201); the driving nozzle (209) is a small hole with two opposite openings and the same size, which is formed on the convex parts at the two sides of the driving cavity (201); the lower end of the driving cavity (201) is provided with a protruding part for being inserted into the dust removal cavity (202), and the driving cavity (201) is fixedly connected with the dust removal cavity (202) through a connecting bolt (210); the dust removal nozzle (208) is embedded in the circumferential direction of the annular cavity (205), and the annular cavity (205) is arranged on protruding circular rings on two sides of the dust removal cavity (202) through a long bolt (207) and a pressing cover (206).
3. The strong blowing high negative pressure suction type electrostatic precipitator according to claim 2, wherein: the lower end of the limiting nut (204) is provided with a boss, the first sealing bearing (213) is placed on the top surface of the boss in the driving cavity (201), the limiting nut (204) fixed on the hollow shaft (203) limits the position of the first sealing bearing (213), and the first sealing bearing (213) and the second sealing bearing (214) are fixed in the axial direction.
4. The strong blowing high negative pressure suction type electrostatic precipitator according to claim 2, wherein: cylindrical grooves are formed near the opening at the upper end of the hollow shaft (203) and are symmetrically distributed, the pins (211) are inserted into the grooves to fix the limiting nut (204), and the length of the pins (211) is higher than the side surface of the limiting nut (204).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716679.7U CN218868417U (en) | 2022-10-13 | 2022-10-13 | Strong-blowing high-negative-pressure suction type electrostatic dust collection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716679.7U CN218868417U (en) | 2022-10-13 | 2022-10-13 | Strong-blowing high-negative-pressure suction type electrostatic dust collection device |
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| CN218868417U true CN218868417U (en) | 2023-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518682A (en) * | 2023-07-04 | 2023-08-01 | 忱芯电子(苏州)有限公司 | Automatic power semiconductor blow-drying device |
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2022
- 2022-10-13 CN CN202222716679.7U patent/CN218868417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116518682A (en) * | 2023-07-04 | 2023-08-01 | 忱芯电子(苏州)有限公司 | Automatic power semiconductor blow-drying device |
| CN116518682B (en) * | 2023-07-04 | 2023-09-29 | 忱芯电子(苏州)有限公司 | Automatic power semiconductor blow-drying device |
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