CN209969026U

CN209969026U - Impeller for cleaning PCB (printed circuit board)

Info

Publication number: CN209969026U
Application number: CN201920666901.2U
Authority: CN
Inventors: 陈岚
Original assignee: Suzhou Sai'ou Pml Precision Mechanism Ltd
Current assignee: Suzhou Sai'ou Pml Precision Mechanism Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-01-21
Anticipated expiration: 2029-05-10

Abstract

The utility model relates to a PCB board washs and uses impeller, including cylindric base, spray tube, be equipped with the baffle in the base, the baffle separates into the hole of base and washes the chamber and spray the chamber, and the baffle center is equipped with multilateral hole, and the spray tube includes flushing pipe, shower, and the shower is less than the internal diameter of shower and connector butt joint one end with the connector internal diameter that sprays chamber intercommunication department. The utility model discloses a set up on same base respectively with wash bowl and the shower that sprays the chamber and wash bowl intercommunication, supply with the substep injection that different liquid realized washing liquid and flush fluid, reduce the cleaning equipment volume, utilize and rotate the quick blowout of base realization washing liquid and flush fluid, the cleaning performance is good, need not to be equipped with high pressure water pump again, the connector that the internal diameter is less forms the cavity in the shower, sneaks into a large amount of bubbles in the washing liquid, promotes the cleaning performance. The flushing pipe with the small aperture effectively improves the flow rate of flushing water, and improves the utilization rate and the cleaning effect of the water.

Description

Impeller for cleaning PCB (printed circuit board)

Technical Field

The utility model relates to a PCB board belt cleaning device, in particular to PCB board washs and uses impeller.

Background

The PCB board usually needs to use multiple liquid medicine in process of production, and liquid medicine very easily leads to the PCB board to corrode when remaining on the PCB board surface ageing, consequently need wash the PCB board after the PCB board production is accomplished, and current washing mode adopts a plurality of different shower nozzles or washs the case and carries out the substep to the PCB board usually and washs, and cleaning equipment's occupation of land volume is great, and the structure is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB board washs uses impeller to prior art not enough.

The utility model provides a technical scheme that its technical problem adopted is: an impeller for cleaning a PCB (printed circuit board) comprises a cylindrical base and a spray pipe arranged on the outer wall of the base, wherein a partition plate is arranged in the base and divides an inner hole of the base into a washing cavity and a spraying cavity, a polygonal hole matched with a motor spindle is formed in the center of the partition plate, the spray pipe comprises a washing pipe communicated with the washing cavity on the base and a spray pipe communicated with the spraying cavity on the base, the inner diameter of a connector at the communication position of the spray pipe and the spraying cavity is smaller than the inner diameter of the end, butted with the connector, of the spray pipe, the included angle between the axial direction of the washing pipe and the axial direction of the spray pipe and the tangential direction of the edge of the base is larger than 90 degrees, and the diameter of the inner hole of the spray pipe.

Through set up respectively with the flushing pipe and the shower that spray chamber and flushing chamber communicate on same base in the above-mentioned design, supply with different liquid and realize the substep injection of washing liquid and flush fluid, reduce the cleaning equipment volume, utilize and rotate the quick blowout of base realization washing liquid and flush fluid, the cleaning performance is good, need not to be equipped with high pressure water pump again, the less connector of internal diameter forms the cavity in the shower, sneaks into a large amount of bubbles in the washing liquid, promotes the cleaning performance. The flushing pipe with the small aperture effectively improves the flow rate of flushing water, and improves the utilization rate and the cleaning effect of the water.

As a further improvement of the design, a guide cone concentric with the polygonal hole is arranged on the partition plate outside the polygonal hole, and the outer diameter of one end, connected with the partition plate, of the conical surface of the outer wall of the guide cone is larger than that of the other end of the guide cone. The guide cone cylinder is convenient for drainage of cleaning fluid and flushing fluid, prevents that the interior chamber of washing from forming the circulation dead angle with the liquid that sprays the intracavity, reduces the loss of water potential energy.

As a further improvement of the design, the inner diameter of the guide cone is larger than that of the polygonal hole, so that a sealing member is convenient to arrange, and liquid streaming between the flushing cavity and the spraying cavity is prevented.

As a further improvement of the design, the shower pipe and the flushing pipe are not located on the same bus of the outer wall of the base, that is, the shower pipe and the flushing pipe are arranged at intervals along the axial projection of the base, so that the strength of the base is prevented from being reduced.

As a further improvement of the design, the connecting port is deviated to one side of the inclined direction of the spray pipe and one side of the connecting port deviated from the partition plate, so that a large amount of bubbles are easier to generate.

As a further improvement of the design, conical sealing surfaces are arranged at openings at two ends of an inner hole of the base, so that the sealing performance is improved.

The utility model has the advantages that: the utility model discloses a set up on same base respectively with wash bowl and the shower that sprays the chamber and wash bowl intercommunication, supply with the substep injection that different liquid realized washing liquid and flush fluid, reduce the cleaning equipment volume, utilize and rotate the quick blowout of base realization washing liquid and flush fluid, the cleaning performance is good, need not to be equipped with high pressure water pump again, the connector that the internal diameter is less forms the cavity in the shower, sneaks into a large amount of bubbles in the washing liquid, promotes the cleaning performance. The flushing pipe with the small aperture effectively improves the flow rate of flushing water, and improves the utilization rate and the cleaning effect of the water.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an overall sectional view of the present invention.

In the figure, 1, a base, 2, a conical sealing surface, 3, a connecting port, 4, a guide cone, 5, a polygonal hole, 6, a flushing pipe, 7, a spraying pipe, 8, a flushing cavity, 9, a spraying cavity and 10, a partition plate are arranged.

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of explanation, but not for the purpose of limitation.

Example (b): an impeller for cleaning a PCB (printed circuit board) comprises a cylindrical base 1 and a spray pipe arranged on the outer wall of the base 1, wherein a partition plate 10 is arranged in the base 1, the partition plate 10 divides an inner hole of the base 1 into a washing cavity 8 and a spraying cavity 9, a polygonal hole 5 matched with a motor spindle is arranged in the center of the partition plate 10, the spray pipe comprises a washing pipe 6 communicated with the washing cavity 8 on the base 1 and a spray pipe 7 communicated with the spraying cavity 9 on the base 1, the inner diameter of a connecting port 3 at the communication position of the spray pipe 7 and the spraying cavity 9 is smaller than the inner diameter of one end, butted with the connecting port 3, of the spray pipe 7, the included angle between the axial direction of the washing pipe 6 and the axial direction of the spray pipe 7 and the rotation tangential direction of the edge of the base 1 is larger than 90 degrees, and the inner hole diameter of the.

Through set up respectively with the flushing pipe 6 and the shower 7 that spray chamber 9 and flushing chamber 8 communicate on same base 1 in the above-mentioned design, supply with the substep injection that different liquid realized washing liquid and flush fluid, reduce the cleaning equipment volume, utilize the quick blowout that rotates base 1 and realize washing liquid, the cleaning performance is good, need not to be equipped with high pressure water pump again, the less connector 3 of internal diameter forms the cavity in spray pipe 7, sneak into a large amount of bubbles in the washing liquid, promote the cleaning performance. The flushing pipe 6 with smaller aperture effectively improves the flow rate of the flushing water, the utilization rate of the water and the cleaning effect.

As a further improvement of the design, a guide cone cylinder 4 concentric with the polygonal hole 5 is arranged on a partition plate 10 outside the polygonal hole 5, and the outer diameter of one end, connected with the partition plate 10, of the conical surface of the outer wall of the guide cone cylinder 4 is larger than that of the other end of the guide cone cylinder 4. The guide cone 4 is convenient for drainage of cleaning fluid and flushing fluid, prevents that the liquid in the inner flushing cavity 8 and the spraying cavity 9 from forming a circulating dead angle, and reduces the loss of water potential energy.

As a further improvement of the design, the inner diameter of the guide cone 4 is larger than that of the polygonal hole 5, so that a sealing member is convenient to arrange, and liquid cross flow between the flushing cavity 8 and the spraying cavity 9 is prevented.

As a further improvement of the design, the shower pipes 7 and the flushing pipes 6 are not located on the same bus line of the outer wall of the base 1, that is, the shower pipes 7 and the flushing pipes 6 are arranged at intervals along the axial projection of the base 1, so as to avoid the strength reduction of the base 1.

As a further improvement of this design, the connection port 3 is biased toward the side of the shower pipe 7 inclined and away from the partition plate 10, so that a large amount of air bubbles are more likely to be generated.

As a further improvement of the design, conical sealing surfaces 2 are arranged at openings at two ends of an inner hole of the base 1, so that the sealing performance is improved.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The impeller for cleaning the PCB comprises a cylindrical base and a spray pipe arranged on the outer wall of the base, and is characterized in that a partition plate is arranged in the base, the partition plate divides an inner hole of the base into a washing cavity and a spraying cavity, a polygonal hole matched with a motor spindle is formed in the center of the partition plate, the spray pipe comprises a washing pipe communicated with the washing cavity on the base and a spray pipe communicated with the spraying cavity on the base, the inner diameter of a connector at the communication position of the spray pipe and the spraying cavity is smaller than the inner diameter of the butt joint end of the spray pipe and the connector, the included angle between the axial direction of the washing pipe and the axial direction of the spray pipe and the rotation tangential direction of the edge of the base is larger than 90 degrees, and the diameter of the inner hole of the spray pipe is larger.

2. The impeller for cleaning the PCB as recited in claim 1, wherein a guide cone concentric with the polygonal hole is provided on the partition plate outside the polygonal hole, and an outer diameter of one end of the conical surface of the outer wall of the guide cone, which is connected with the partition plate, is larger than an outer diameter of the other end of the guide cone.

3. The impeller for cleaning the PCB as recited in claim 2, wherein the inner diameter of the guide cone is larger than that of the polygonal hole.

4. The impeller for cleaning the PCB as recited in claim 1, wherein the shower pipe and the rinsing pipe are not located on the same bus line of the outer wall of the base, that is, the shower pipe and the rinsing pipe are arranged at intervals along the axial projection of the base.

5. The impeller for cleaning the PCB as recited in claim 1, wherein the connection port is biased toward a side of the shower pipe inclined and a side away from the partition plate.

6. The impeller for cleaning the PCB as claimed in claim 1, wherein the base has tapered sealing surfaces at the openings at both ends of the inner hole.