Board surface cleaning device for FPC circuit board production and processing

Abstract

The utility model belongs to the field of circuit board cleaning, and particularly relates to a board surface cleaning device for FPC (flexible printed circuit) board production and processing, which comprises a cleaning frame. Fixed connecting blocks are symmetrically connected to the left side wall and the right side wall of the cleaning frame, transverse plates are connected to the end faces of the fixed connecting blocks, and lifting structures are connected to inner cavities of the transverse plates. Circuit boards needing to be cleaned are sequentially placed on the end faces of the supporting plates, multiple sets of supporting plates can be arranged, more circuit boards can be conveniently placed, a driving motor is started through a controller, the driving motor drives a first bevel gear to rotate through a driving rod, and a driving bevel gear drives a driven bevel gear to rotate; the rotating screw rod drives the connecting plate to move downwards in the sliding groove, so that the connecting plate drives the connecting frame to move downwards by connecting the fixing plate, the circuit board on the end face of the supporting plate is immersed in cleaning liquid in the cleaning frame, the ultrasonic generator is started through the controller, and oil stains and stains on the circuit board are cleaned.

Description

Technical Field

[0001] The utility model relates to the field of circuit board cleaning, in particular to a cleaning device for the board surface of FPC circuit boards during production and processing. Background Technique

[0002] An FPC circuit board, that is, a flexible printed circuit board, is a printed circuit board made of a flexible insulating substrate, and is also known as a "flexible board". It has many advantages that rigid printed circuit boards do not have. For example, it can be freely bent, wound, and folded, and can withstand millions of dynamic bends without damaging the wires. The FPC circuit board provides excellent electrical performance, meets the design requirements of smaller and higher-density installations, helps to reduce the assembly process and enhance reliability. It is the only solution to meet the miniaturization and mobility requirements of electronic products, can greatly reduce the volume and weight of electronic products, and meets the needs of the development of electronic products towards high density, miniaturization, and high reliability. The main application fields of FPC circuit boards include aerospace, military, mobile communications, laptop computers, computer peripherals, PDAs, digital cameras, etc.;

[0003] Content of the Utility Model

[0004] In order to make up for the deficiencies of the prior art, the problem that the cleaning liquid for cleaning the circuit board is toxic, corrosive, and flammable, and during the cleaning process, the cleaning agent may splash onto the skin or into the eyes, resulting in reduced cleaning efficiency, the present utility model proposes a cleaning device for the board surface of FPC circuit boards during production and processing.

[0005] ​The technical solution adopted by the present utility model to solve its technical problems is as follows: A cleaning device for the surface of an FPC circuit board during production and processing, comprising a cleaning frame; fixed connection blocks are symmetrically connected to the left and right side walls of the cleaning frame, a cross plate is connected to the end surface of the fixed connection block, a lifting structure is connected to the inner cavity of the cross plate, the lifting structure includes a driving motor, the driving motor is connected to the end surface of the inner cavity of the cross plate, the driving end of the driving motor is in transmission connection with a driving rod, a first bevel gear is connected to the side wall of the driving rod, a second bevel gear is meshed and connected to the side wall of the first bevel gear, a rotating rod penetrates through the center of the second bevel gear, driving bevel gears are symmetrically connected to the left and right end side walls of the rotating rod, a driven bevel gear is meshed and connected to the side wall of the driving bevel gear, a rotating lead screw is connected to the bottom of the driven bevel gear, the rotating lead screw is connected to the end surface of the inner cavity of the fixed connection block, and a cleaning device is connected to the side wall of the rotating lead screw.

[0006] The cleaning device includes connecting plates, there are two groups of connecting plates, both groups of connecting plates are symmetrically connected to the side wall of the rotating lead screw, a connecting fixed plate is connected to the bottom of both groups of connecting plates and located in the inner cavity of the cleaning frame, a connecting frame is connected to the side wall of the connecting fixed plate, a limiting bracket is assembled on the inner cavity side wall of the connecting frame, and a supporting plate is assembled on the end surface of the limiting bracket.

[0007] Holes corresponding to the rotating lead screws are respectively opened at the bottom of the cross plate, and the connection modes of the holes with the rotating lead screws are rotational connections respectively.

[0008] Holes corresponding to the rotating lead screws are respectively opened on the end surfaces of both groups of connecting plates, and the connection modes of the holes with the rotating lead screws are threaded connections respectively.

[0009] Chutes corresponding to the connecting plates are respectively opened on the side walls of the fixed connection blocks, and the connection modes of the chutes with the connecting plates are sliding connections respectively.

[0010] Holes corresponding to the rotating rod are respectively opened on the left and right side walls of the inner cavity of the cross plate, and the connection modes of the holes with the rotating rod are rotational connections respectively.

[0011] A drain port is connected to the lower part of the side wall of the cleaning frame, and multiple groups of ultrasonic generators are assembled on the inner cavity side wall of the cleaning frame.

[0012] The advantages of the present utility model are as follows:

[0013] In this utility model, the circuit board to be cleaned is sequentially placed on the end face of the support plate. Multiple groups of support plates can be provided to facilitate placing more circuit boards. By starting the drive motor through the controller, the drive motor drives the first bevel gear to rotate through the drive rod, the first bevel gear drives the second bevel gear to rotate, the rotating rod drives the drive bevel gear to rotate, the drive bevel gear drives the driven bevel gear to rotate, so that the rotating lead screw rotates, the rotating lead screw drives the connecting plate to move downward in the chute, so that the connecting plate drives the connecting frame downward through the connecting fixing plate, and further the circuit board on the end face of the support plate is immersed in the cleaning liquid in the cleaning frame. By starting the ultrasonic generator through the controller, the oil stains and dirt on the circuit board are cleaned. Brief Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 Schematic diagram of the front and back sides of the present utility model;

[0016] Figure 2 For the present utility model Figure 1 Partial structure schematic diagram;

[0017] Figure 3 Schematic diagram of the lifting structure of the present utility model;

[0018] Figure 4 Schematic diagram of the connecting frame structure of the present utility model.

[0019] In the figure: 1, cleaning frame; 2, fixed connection block; 3, cross plate; 4, lifting structure; 401, drive motor; 402, drive rod; 403, first bevel gear; 404, second bevel gear; 405, rotating rod; 406, drive bevel gear; 407, driven bevel gear; 408, rotating lead screw; 409, chute; 5, cleaning device; 501, connecting plate; 502, connecting fixing plate; 503, connecting frame; 504, limiting bracket; 505, support plate; 6, drain port; 7, ultrasonic generator. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] The following will Figure 1 —4 further elaborate on this application

[0022] The embodiment of this application discloses a board surface cleaning device for FPC circuit board production and processing. Refer to Figure 1 and Figure 4 , a board surface cleaning device for FPC circuit board production and processing, including a cleaning frame 1; fixed connection blocks 2 are symmetrically connected to the left and right side walls of the cleaning frame 1, a cross plate 3 is connected to the end surface of the fixed connection block 2, a lifting structure 4 is connected to the inner cavity of the cross plate 3, the lifting structure 4 includes a driving motor 401, the driving motor 401 is connected to the end surface of the inner cavity of the cross plate 3, the driving end of the driving motor 401 is in transmission connection with a driving rod 402, a first bevel gear 403 is connected to the side wall of the driving rod 402, a second bevel gear 404 is meshed and connected to the side wall of the first bevel gear 403, a rotating rod 405 penetrates through the center of the second bevel gear 404, driving bevel gears 406 are symmetrically connected to the left and right end side walls of the rotating rod 405, a driven bevel gear 407 is meshed and connected to the side wall of the driving bevel gear 406, a rotating lead screw 408 is connected to the bottom of the driven bevel gear 407, the rotating lead screw 408 is connected to the end surface of the inner cavity of the fixed connection block 2, and a cleaning device 5 is connected to the side wall of the rotating lead screw 408.

[0023] Refer to Figure 1 and Figure 4, by designing that a limit bracket 504 is assembled on the inner cavity side wall of the connection frame 503, and a support plate 505 is assembled on the end face of the limit bracket 504, the circuit boards to be cleaned are sequentially placed on the end face of the support plate 505. Multiple groups of support plates 505 can be provided to facilitate placing more circuit boards. The driving motor 401 is started through the controller. The driving motor 401 is connected to the inner cavity end face of the cross plate 3. The driving end of the driving motor 401 is in transmission connection with a driving rod 402. By designing that a first bevel gear 403 is connected to the side wall of the driving rod 402, the driving motor 401 drives the first bevel gear 403 to rotate through the driving rod 402. Under the condition that a second bevel gear 404 is meshed and connected to the side wall of the first bevel gear 403, the first bevel gear 403 drives the second bevel gear 404 to rotate. By designing that a rotating rod 405 penetrates through the center of the second bevel gear 404, the rotating rod 405 rotates, and then the rotating rod 405 drives a driving bevel gear 406 to rotate. Under the condition that a driven bevel gear 407 is meshed and connected to the side wall of the driving bevel gear 406, the driving bevel gear 406 drives the driven bevel gear 407 to rotate, so that a rotating lead screw 408 rotates. On the end faces of the two connecting plates 501, holes are respectively formed corresponding to the rotating lead screw 408, and the holes are in threaded connection with the rotating lead screw 408. The rotating lead screw 408 drives the connecting plate 501 to move downward in the sliding groove 409, so that the connecting plate 501 drives the connection frame 503 downward through the connection fixing plate 502, and further the circuit boards on the end face of the support plate 505 are immersed in the cleaning liquid in the cleaning frame 1. The ultrasonic generator 7 is started through the controller to clean the oil stains and dirt on the circuit boards. After the cleaning is completed, the controller makes the driving motor 401 drive the driving rod 402 to reverse. Through the above movements, the connecting plate 501 drives the first bevel gear 403 upward through the connection fixing plate 502, and the circuit boards on the end face of the support plate 505 are taken out of the cleaning liquid, thus facilitating the collection of the circuit boards;

[0024] Working principle: The circuit boards to be cleaned are sequentially placed on the end faces of the support plates 505. Multiple groups of support plates 505 can be provided to facilitate placing more circuit boards. The drive motor 401 is started through the controller, so that the drive motor 401 drives the first bevel gear 403 to rotate through the drive rod 402. Under the condition that the second bevel gear 404 is meshed and connected to the side wall of the first bevel gear 403, the first bevel gear 403 drives the second bevel gear 404 to rotate, thereby causing the rotating rod 405 to rotate, and further causing the rotating rod 405 to drive the drive bevel gear 406 to rotate. Under the condition that the driven bevel gear 407 is meshed and connected to the side wall of the drive bevel gear 406, the drive bevel gear 406 drives the driven bevel gear 407 to rotate, thereby causing the rotating lead screw 408 to rotate. On the end faces of the two connecting plates 501, holes are respectively provided corresponding to the rotating lead screw 408, and under the condition that the holes are respectively connected to the rotating lead screw 408 in a threaded connection manner, the rotating lead screw 408 drives the connecting plate 501 to move downward in the sliding groove 409, so that the connecting plate 501 drives the connecting frame 503 downward through the connecting fixing plate 502, and further causes the circuit boards on the end face of the support plate 505 to be immersed in the cleaning liquid in the cleaning frame 1. The ultrasonic generator 7 is started through the controller to clean the oil stains and dirt on the circuit boards. After the cleaning is completed, the controller causes the drive motor 401 to drive the drive rod 402 to reverse. Through the above movements, the connecting plate 501 drives the first bevel gear 403 upward through the connecting fixing plate 502, so that the circuit boards on the end face of the support plate 505 are taken out of the cleaning liquid, thus facilitating the collection of the circuit boards.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A cleaning device for the surface of an FPC circuit board during production and processing, characterized in that: It includes a cleaning frame (1); fixed connection blocks (2) are symmetrically connected to the left and right side walls of the cleaning frame (1). A cross plate (3) is connected to the end face of the fixed connection block (2). A lifting structure (4) is connected to the inner cavity of the cross plate (3). The lifting structure (4) includes a driving motor (401). The driving motor (401) is connected to the end face of the inner cavity of the cross plate (3). The driving end of the driving motor (401) is drivingly connected to a driving rod (402). A first bevel gear (403) is connected to the side wall of the driving rod (402). A second bevel gear (404) is meshingly connected to the side wall of the first bevel gear (403). A rotating rod (405) penetrates through the center of the second bevel gear (404). Driving bevel gears (406) are symmetrically connected to the left and right end side walls of the rotating rod (405). A driven bevel gear (407) is meshingly connected to the side wall of the driving bevel gear (406). A rotating lead screw (408) is connected to the bottom of the driven bevel gear (407). The rotating lead screw (408) is connected to the end face of the inner cavity of the fixed connection block (2). A cleaning device (5) is connected to the side wall of the rotating lead screw (408).

2. The surface cleaning device for FPC circuit board production and processing according to claim 1, characterized in that: The cleaning device (5) includes connecting plates (501). There are two groups of the connecting plates (501). Both groups of the connecting plates (501) are symmetrically connected to the side wall of the rotating lead screw (408). A connecting fixing plate (502) is connected to the bottom of both groups of the connecting plates (501) and is located in the inner cavity of the cleaning frame (1). A connecting frame (503) is connected to the side wall of the connecting fixing plate (502). A limiting bracket (504) is assembled on the inner cavity side wall of the connecting frame (503). A support plate (505) is assembled on the end face of the limiting bracket (504). Slots (409) are respectively opened on the side wall of the fixed connection block (2) corresponding to the connecting plates (501), and the connecting mode of the slots (409) and the connecting plates (501) is sliding connection.

3. A cleaning device for the surface of an FPC circuit board used in production and processing according to claim 1, characterized in that: Holes are respectively opened on the bottom of the cross plate (3) corresponding to the rotating lead screws (408), and the connecting mode of the holes and the rotating lead screws (408) is rotational connection.

4. A cleaning device for the board surface in the production and processing of FPC circuit boards according to claim 2, characterized in that: Holes are respectively opened on the end faces of both groups of the connecting plates (501) corresponding to the rotating lead screws (408), and the connecting mode of the holes and the rotating lead screws (408) is threaded connection.

5. A cleaning device for the surface of an FPC circuit board used in production and processing, characterized in that: Holes are respectively opened on the left and right side walls of the inner cavity of the cross plate (3) corresponding to the rotating rod (405), and the connecting mode of the holes and the rotating rod (405) is rotational connection.

6. The surface cleaning device for FPC circuit board production and processing according to claim 1, characterized in that: A drain port (6) is connected to the lower part of the side wall of the cleaning frame (1). Multiple groups of ultrasonic generators (7) are assembled on the inner cavity side wall of the cleaning frame (1).

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