CN219660034U

CN219660034U - PCB board surface cleaning tool

Info

Publication number: CN219660034U
Application number: CN202320633065.4U
Authority: CN
Inventors: 黄铭宏
Original assignee: Dynamic Electronics Kunshan Co ltd
Current assignee: Dynamic Electronics Kunshan Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-08
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses a cleaning tool for the surface of a PCB (printed Circuit Board), which comprises a base, a fixing component and a cleaning component, wherein a placing groove is formed in the base, the PCB is placed in the placing groove, the PCB is fixed in the placing groove through the fixing component positioned above the base, and the cleaning component is positioned above the base; the cleaning assembly comprises a supporting seat and a cleaning brush, a sliding hole is formed in the bottom of the supporting seat, the tail end of the cleaning brush is inserted into the sliding hole, the top of the cleaning brush is connected with an adjusting mechanism, and a pressing plate connected with an external cylinder is arranged at the top of the adjusting mechanism. According to the utility model, by designing the adjusting mechanism, the constant force of the cleaning brush can be kept when the PCB is cleaned.

Description

PCB board surface cleaning tool

Technical Field

The utility model belongs to the technical field of PCB production equipment, and particularly relates to a PCB surface cleaning tool.

Background

A PCB, a printed wiring board, is one of the important components of the electronics industry. Almost every electronic device, as small as an electronic watch, a calculator, as large as a computer, a communication electronic device, a military weapon system, has only electronic components such as an integrated circuit, and a printed board is used for electrically interconnecting the respective components. The printed circuit board consists of an insulating base plate, connecting wires and bonding pads for assembling and welding electronic elements, and has the dual functions of a conductive circuit and the insulating base plate. The wiring device can replace complex wiring, realizes electric connection among elements in a circuit, simplifies assembly and welding work of electronic products, reduces wiring workload in a traditional mode, and greatly lightens labor intensity of workers; and the whole volume is reduced, the product cost is reduced, and the quality and the reliability of the electronic equipment are improved. The printed circuit board has good product consistency, can adopt standardized design, and is favorable for realizing mechanization and automation in the production process. Meanwhile, the whole printed circuit board subjected to assembly and debugging can be used as an independent spare part, so that the whole machine product can be conveniently exchanged and maintained. At present, the printed wiring board has been extremely widely applied to the production and manufacture of electronic products.

Drilling a hole in a PCB is a process of making a plate on the PCB and is also a very important step. The method mainly comprises the steps of punching a board, wiring, punching through holes, and positioning the through holes according to structural requirements; the multi-layer board is not punched at one time, some holes are buried in the circuit board, and some holes are punched on the board, so that one drill and two drills are provided. In the process of drilling, dust and cutting scraps on the surface of the PCB are required to be cleaned. When dust removal is carried out on the surface of the PCB, if the acting force of the cleaning brush on the PCB is too large, damage can be caused to the surface of the PCB, and therefore the acting force of the cleaning brush on the surface of the PCB needs to be controlled.

Therefore, how to provide a cleaning tool for the surface of a PCB board, so as to ensure that the acting force of the cleaning brush on the surface of the PCB board is always constant, is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a cleaning tool for the surface of a PCB, which is provided with an adjusting mechanism, wherein the adjusting mechanism is used for controlling the acting force of an air cylinder on a cleaning brush.

In order to solve the technical problems, the utility model adopts a technical scheme that: the cleaning device comprises a base, a fixing component and a cleaning component, wherein a placing groove is formed in the base, a PCB is placed in the placing groove, the PCB is fixed in the placing groove through the fixing component above the base, and the cleaning component is located above the base;

the cleaning assembly comprises a supporting seat and a cleaning brush, a sliding hole is formed in the bottom of the supporting seat, the tail end of the cleaning brush is inserted into the sliding hole, the top of the cleaning brush is connected with an adjusting mechanism, and a pressing plate connected with an external cylinder is arranged at the top of the adjusting mechanism.

Further, the adjusting mechanism comprises an adjusting column, an adjusting spring and a pressing rod, wherein the adjusting column is in threaded connection with the inner wall of the supporting seat, one end of the adjusting spring is connected with the top of the cleaning brush, and the other end of the adjusting spring is connected with the pressing rod.

Further, a through hole is formed in the center of the adjusting column, the adjusting spring is arranged in the through hole, and the diameter of the pressing rod is larger than that of the through hole.

Further, the fixing assembly comprises a plurality of groups of fixing seats, the fixing seats are detachably connected to the base, the top ends of the fixing seats are rotationally connected with pressure heads, and the pressure heads are connected with the fixing seats through elastic pieces.

Further, a sliding frame is fixedly arranged on the upper surface of the base, and the supporting seat is in sliding connection with the sliding frame.

Further, the tail end of the cleaning brush is provided with a limiting plate, and the diameter of the limiting plate is larger than that of the sliding hole.

Further, the limiting plate is connected with the bottom of the inner cavity of the supporting seat through a reset spring.

The beneficial effects of the utility model are at least as follows:

the cleaning assembly is provided with the cleaning assembly, the external air cylinder presses the adjusting mechanism, so that the cleaning brush cleans the surface of the PCB, and the cleaning assembly achieves the cleaning aim;

the fixing component is arranged, the PCB is fixed in the placing groove under the combined action of the pressing heads, meanwhile, the elastic piece is used for connecting the pressing heads with the fixing seat, so that the pressing heads can have certain downward pressure, the surface of the PCB is cleaned by the cleaning brush, and the stability of the PCB is ensured.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of the fastening assembly of the present utility model;

FIG. 3 is a cross-sectional view of the cleaning assembly of the present utility model;

the parts in the drawings are marked as follows:

1 a base, 11 a placing groove, 2 a fixing component, 21 a fixing seat, 22 a pressure head, 23 an elastic component, 3 a cleaning component, 31 a supporting seat, 32 a cleaning brush, 4 a sliding frame, 5 an adjusting mechanism, 51 an adjusting column, 52 an adjusting spring, 53 a pressure lever, 54 a pressing plate, 55 a limiting plate and 56 a return spring.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Examples: the utility model provides a PCB board surface cleaning tool, as shown in fig. 1 and 2, includes base 1, fixed subassembly 2 and clean subassembly 3, set up standing groove 11 in the base, the PCB board is placed in the standing groove, will through being located the fixed subassembly of base top the PCB board is fixed in the standing groove, further said. The guide slot can also be formed in the surface of the base, the guide slot is obliquely arranged and is equal in width to the PCB, and scraps cleaned from the surface of the PCB are discharged through the guide slot.

The fixed subassembly includes multiunit fixing base 21, the fixing base detachable connect in the base, the top of fixing base rotates and is connected with pressure head 22, the pressure head with be connected through elastic component 23 between the fixing base, the lower surface and the elastic component of pressure head are located the lateral wall of pressure head and before the lateral wall of fixing base, make the pressure head remain the state of pushing down all the time through the elastic component, and the elastic component is the spring preferentially to set up the silica gel head in the bottom of pressure head, the surface of protection PCB board.

As shown in fig. 3, the cleaning assembly is located above the base, the cleaning assembly includes a supporting seat 31 and a cleaning brush 32, a cavity is formed in the supporting seat, threads are formed on a side wall of the cavity, a sliding hole is formed in the bottom of the supporting seat, the sliding hole is communicated with the cavity, the tail end of the cleaning brush is inserted into the sliding hole and then placed in the cavity, the top of the cleaning brush is connected with an adjusting mechanism 5, and a pressing plate 54 connected with an external cylinder is arranged at the top of the adjusting mechanism.

The upper surface of base fixed mounting has carriage 4, the supporting seat with carriage sliding connection. The external driving mechanism is beneficial to the movement of the motor, the cylinder and the like driving the supporting seat.

The adjusting mechanism comprises an adjusting column 51, an adjusting spring 52 and a pressing rod 53, wherein threads are arranged on the side wall of the adjusting column, the adjusting column is in threaded connection with the inner wall of the supporting seat, a through hole is formed in the center of the adjusting column, the adjusting spring is arranged in the through hole, the top end of the adjusting spring extends out of the adjusting column, the pressing rod is in sliding connection with the supporting seat, one end of the adjusting spring is connected with the top of the cleaning brush, and the other end of the adjusting spring is connected with the pressing rod.

The top of depression bar is connected with supporting the clamp plate, the diameter of depression bar is greater than the diameter of through-hole. When the pressing plate is pressed down, the upper surface of the adjusting column is attached to the lower surface of the pressing rod.

The end of the cleaning brush is provided with a limiting plate 55, the diameter of the limiting plate is larger than that of the sliding hole, and the cleaning brush is placed by the limiting plate to be separated from the supporting seat.

The limiting plate is connected with the bottom of the inner cavity of the supporting seat through a reset spring 56, and the reset spring can enable the cleaning brush to be rapidly separated from the PCB after the external cylinder leaves the pressing plate.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the embodiments and shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

The working principle of the utility model is as follows:

when the cleaning brush is used, the adjusting column is rotated according to the cleaning force applied to the surface of the PCB, the cleaning brush is rotated upwards to reduce the pressure, the pressure is increased downwards, the pressure head is swung upwards, then the PCB is placed in the placing groove, the pressure head is loosened, the PCB is pressed in the placing groove by the pressure head under the action of the elastic piece, then the whole mechanism is placed under the driving mechanism, the pressing plate is driven to move through the air cylinder, the lower surface of the cleaning brush is contacted with the surface of the PCB, and the driving mechanism is used for driving the whole supporting seat to move, so that the cleaning purpose is achieved.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims

1. A PCB board surface cleaning tool which is characterized in that: the cleaning device comprises a base, a fixing component and a cleaning component, wherein a placing groove is formed in the base, a PCB is placed in the placing groove, the PCB is fixed in the placing groove through the fixing component above the base, and the cleaning component is located above the base;

2. The PCB surface cleaning tool of claim 1, wherein: the adjusting mechanism comprises an adjusting column, an adjusting spring and a pressing rod, wherein the adjusting column is in threaded connection with the inner wall of the supporting seat, one end of the adjusting spring is connected with the top of the cleaning brush, and the other end of the adjusting spring is connected with the pressing rod.

3. A PCB surface cleaning tool according to claim 2, wherein: the center of the adjusting column is provided with a through hole, the adjusting spring is arranged in the through hole, and the diameter of the pressing rod is larger than that of the through hole.

4. The PCB surface cleaning tool of claim 1, wherein: the fixing assembly comprises a plurality of groups of fixing seats, the fixing seats are detachably connected to the base, the top ends of the fixing seats are rotationally connected with pressure heads, and the pressure heads are connected with the fixing seats through elastic pieces.

5. The PCB surface cleaning tool of claim 1, wherein: the upper surface of base fixed mounting has the carriage, the supporting seat with carriage sliding connection.

6. A PCB surface cleaning tool according to claim 2, wherein: the tail end of the cleaning brush is provided with a limiting plate, and the diameter of the limiting plate is larger than that of the sliding hole.

7. The PCB surface cleaning tool of claim 6, wherein: the limiting plate is connected with the bottom of the inner cavity of the supporting seat through a reset spring.