Micro-hole cleaning device
By designing a motor-driven threaded rod and cam mechanism for a micro-hole cleaning device, the circuit board can be shaken and fixed during ultrasonic cleaning, solving the problem of poor cleaning effect in existing technologies and improving the cleaning effect and the practicality of the device.
Patent Information
- Application Number
- CN202422286853.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-09-19
AI Technical Summary
When cleaning PCB circuit boards, existing ultrasonic cleaning machines may fail to achieve good cleaning results if multiple circuit boards are piled up or located at the bottom, affecting subsequent use.
A micro-hole cleaning device is designed, which uses a motor-driven threaded rod and cam mechanism to realize the lifting and reciprocating sliding of the placement plate. Combined with ultrasonic cleaning and an inclined water storage tank structure, it ensures that the circuit board shakes and is fixed in the water, thereby enhancing the cleaning effect.
It effectively improves the cleaning effect of PCB circuit boards, prevents the circuit boards from shifting and being damaged during the cleaning process, and improves the practicality of the cleaning device.
Smart Images

Figure CN223629139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cleaning device technical field, specifically point to a kind of micro hole cleaning device. BACKGROUND
[0002] PCB, namely printed circuit board, is one of important components in electronic industry, almost every kind of electronic equipment, small to electronic watch, calculator, large to computer, communication electronic equipment, military weapon system, as long as integrated circuit and other electronic components, in order to make the electrical interconnection between each component, printed board is used, printed circuit board is composed of insulating base plate, connecting wire and pad for assembling and welding electronic components, has the dual role of conductive circuit and insulating base plate, it can replace complex wiring, realize the electrical connection between each component in circuit, not only simplify the assembly, welding work of electronic product, reduce wiring workload under traditional mode, greatly reduce the labor intensity of worker, and moreover, it reduces the volume of whole machine, reduces product cost, improves the quality and reliability of electronic equipment, PCB in the process of manufacturing, in order to facilitate the use of PCB, multiple blind holes are provided on the surface of PCB, dust is connected in the interior of blind hole for a long time, thereby affecting the normal use of PCB, therefore, ultrasonic cleaning machine is used to clean the blind hole on the surface of PCB.
[0003] The existing ultrasonic cleaning machine needs manual placement of the circuit board in the cleaning box during use, and then manual removal after cleaning is completed, if multiple circuit boards are stacked together or located at the bottom, the cleaning effect is poor, thereby affecting the use of subsequent circuit boards. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem in the above background art, and provides a micro hole cleaning device.
[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows:
[0006] A micro hole cleaning device, comprising a box body, a water storage tank is arranged on the box body, a mounting bracket is fixedly connected to the box body, a motor one is fixedly connected to the top of the mounting bracket, a threaded rod is fixedly connected to the output end of the motor one, one end of the threaded rod is rotatably connected to the box body, a connecting plate is threadedly connected to the threaded rod, a motor two is fixedly connected to the connecting plate, a belt pulley one is fixedly connected to the output end of the motor two, a belt one is arranged on the belt pulley one, a belt pulley two is arranged at one end of the belt one, and a cam is fixedly connected to the belt pulley two.
[0007] Preferably, the connecting plate is slidably connected in the mounting frame, the shape of the connecting plate is L-shaped, and the belt pulley two is rotationally connected to the connecting plate.
[0008] Preferably, the placing plate is fixedly connected with the fixed column two, the fixed column two is rotationally connected with the pressing frame, the pressing frame is provided with a circular hole, the square plate is provided with a threaded hole, a bolt is slidably connected in the circular hole, and one end of the bolt is threadedly connected in the threaded hole.
[0009] Preferably, the bottom of the water storage pool is inclined, one side of the low part of the bottom of the water storage pool is fixedly connected with a drain valve, the bottom of the box body is fixedly connected with supporting legs, the supporting legs are provided with four groups, and the bottom of the box body is fixedly connected with an ultrasonic generator.
[0010] Preferably, the connecting plate is slidably connected in the mounting frame, the shape of the connecting plate is L-shaped, and the belt pulley two is rotationally connected to the connecting plate.
[0011] Preferably, the square plate and the placing plate are respectively provided with a plurality of through holes, the two groups of springs are located at two ends of the extension plate, the extension plate is slidably connected with the fixed column one, the cam is located between the fixed column one and the placing plate, and the cam is attached to the extension plate.
[0012] Preferably, the water storage pool is slidably connected in the box body, the bolt is provided with two groups, the width of the pressing frame is consistent with the width of the placing plate, and the pressing frame is located above the placing plate.
[0013] With the above structure, the utility model has the following advantages:
[0014] 1、 the utility model discloses a square plate is lifted in the box body by the rotation of the threaded rod driven by motor one, thereby can make, is convenient for to the PCB circuit board is placed and is cleaned, and the rotation of the cam can be driven by motor two, thereby under the action of the extension plate and two groups of springs, the placing plate is reciprocatingly slid on the square plate, thereby makes the circuit board of cleaning in the water storage pool shakes, effectively enhances the cleaning effect, and motor two always is located above the water surface, also can not cause damage to it.
[0015] 2. The utility model discloses a square plate and the through -hole on the placing plate can guarantee that water can penetrate when carrying out ultrasonic cleaning, thereby reach the purpose of cleaning, and the compacting frame is fixed with the placing plate through two groups of bolts, thereby fixed circuit board, prevent its displacement when just cleaning, thereby cause damage, improved the practicality of the device, and the bottom of the water storage pool is inclined, then through the drain valve can discharge the water in the water storage pool, replace.
[0016] The above summary is intended to illustrate only and is not intended to limit the application in any way. Further aspects, embodiments and features of the application will be apparent from a consideration of the drawings and following detailed description. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0018] Figure 1 is a structural schematic diagram of a micro-hole cleaning device of the utility model;
[0019] Figure 2 is a partial structure explosion drawing of a micro-hole cleaning device of the utility model;
[0020] Figure 3 is a partial sectional view of a micro-hole cleaning device of the utility model;
[0021] Figure 4 is Figure 1 the enlarged view of A in the figure;
[0022] Figure 5 is the enlarged view of B in the figure. Figure 2
[0023] As shown in the figure: 1, box body; 2, water storage pool; 3, mounting frame; 4, motor one; 5, threaded rod; 6, connecting plate; 7, motor two; 8, pulley one; 9, belt one; 10, pulley two; 11, cam; 12, square plate; 13, placing plate; 14, extension plate; 15, sliding slot; 16, fixed column one; 17, spring; 18, fixed column two; 19, compacting frame; 20, round hole; 21, threaded hole; 22, bolt; 23, drain valve; 24, support leg. DETAILED DESCRIPTION
[0024] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.
[0025] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0026] The present invention will now be described in further detail with reference to the full text:
[0027] Combined with appendix Figures 1 to 5 A micro-hole cleaning device includes a housing 1, a water storage tank 2 on the housing 1, a mounting frame 3 fixedly connected to the housing 1, a motor 4 fixedly connected to the top of the mounting frame 3, a threaded rod 5 fixedly connected to the output end of the motor 4, one end of the threaded rod 5 rotatably connected to the housing 1, a connecting plate 6 threadedly connected to the threaded rod 5, a second motor 7 fixedly connected to the connecting plate 6, a pulley 8 fixedly connected to the output end of the second motor 7, a belt 9 mounted on the pulley 8, and a second pulley 10 mounted at one end of the belt 9. A cam 11 is fixedly connected to the second plate 10. By starting the motor 4, the threaded rod 5 is rotated, which allows the square plate 12 to be raised and lowered inside the box 1, making it convenient to place and clean the PCB circuit board. The second motor 7 can also drive the cam 11 to rotate, which, under the action of the extension plate 14 and the two sets of springs 17, causes the placement plate 13 to slide back and forth on the square plate 12, so that the cleaned circuit board shakes in the water tank 2, effectively enhancing the cleaning effect. Moreover, the second motor 7 is always above the water surface and will not cause damage to it.
[0028] The connecting plate 6 is slidably connected in the mounting frame 3, the shape of the connecting plate 6 is L-shaped, the belt pulley two 10 is rotatably connected on the connecting plate 6, a plurality of through holes are respectively arranged on the square plate 12 and the placing plate 13, the two groups of springs 17 are located at the two ends of the extension plate 14, the extension plate 14 is slidably connected on the fixed column one 16, the cam 11 is located between the fixed column one 16 and the placing plate 13, the cam 11 is attached to the extension plate 14, the water storage pool 2 is slidably connected in the box body 1, the bolt 22 is provided in two groups, the width of the pressing frame 19 is consistent with the width of the placing plate 13, the pressing frame 19 is located above the placing plate 13, through the through holes on the square plate 12 and the placing plate 13, it can be guaranteed that water can penetrate during ultrasonic cleaning, so that the purpose of cleaning is achieved, and the pressing frame 19 and the placing plate 13 are fixed through the two groups of bolts 22, so that the circuit board is fixed, preventing displacement during cleaning, thereby causing damage, improving the practicability of the device, and the bottom of the water storage pool 2 is inclined, then the water in the water storage pool 2 can be discharged through the drain valve 23, and the water is replaced.
[0029] The utility model discloses a working principle: in use, the operator first places the circuit board that needs to carry out miniature hole cleaning in the placing plate 13 in turn neatly, then rotates the compression frame 19, and inserts two sets of bolts 22 into the round hole 20 rotation screw hole 21, fixes the circuit board, adds the quantitative water in the tank water pool 2, starts ultrasonic generator, then starts motor no. 4 and drives screw rod 5 to rotate on the box 1, thereby drives the connecting plate 6 to slide down in the mounting frame 3, sends the square plate 12 into the water in the water pool 2, makes the circuit board completely immerse in the water, can clean, starts motor no. 2 7 simultaneously and drives the belt pulley no. 8 to rotate, then drives the belt pulley no. 10 to rotate on the connecting plate 6 through the belt no. 9, makes the cam 11 rotate all the time, and promotes the extension plate 14 to slide on the fixed post no. 16 and the sliding slot 15, compresses a set of spring 17, and stretches another set of spring 17 to make the placing plate 13 slide in the square plate 12, can drive the placing plate 13 to reset under the action of two sets of springs 17 when the cam 11 does not contact the extension plate 14, thereby realizes the reciprocating rotation of the circuit board when cleaning, enhances the cleaning effect, opens the drain valve 23 after cleaning, and then can discharge the water in the water pool 2, then takes out after the circuit board is dried.
[0030] The above describes the utility model and its implementation mode, and this kind of description has no limit, and the shown in the whole text is only one of the implementation mode of the utility model, and the actual structure is not limited to this. In general, if the ordinary skilled person in the art is inspired, without departing from the utility model creation tenet, does not design the structure mode and the embodiment similar to this technical scheme creatively, all should belong to the protection scope of the utility model.
Claims
1. A micro-hole cleaning device comprising a housing (1), characterized in that: The box (1) is provided with a water storage tank (2), the box (1) is fixedly connected with the mounting bracket (3), the top of the mounting bracket (3) is fixedly connected with the motor one (4), the output end of the motor one (4) is fixedly connected with the threaded rod (5), one end of the threaded rod (5) is rotatably connected to the box (1), the threaded rod (5) is threadedly connected with the connecting plate (6), the connecting plate (6) is fixedly connected with the motor two (7), the output end of the motor two (7) is fixedly connected with the belt pulley one (8), the belt pulley one (8) is provided with the belt one (9), one end of the belt one (9) is provided with the belt pulley two (10), the belt pulley two (10) is fixedly connected with the cam (11).
2. A micro-hole cleaning device according to claim 1, wherein: The connecting plate (6) is fixedly connected with the square plate (12), the square plate (12) is slidably connected with the placing plate (13), one end of the placing plate (13) is fixedly connected with the extension plate (14), the square plate (12) is provided with the sliding groove (15), the extension plate (14) slides in the sliding groove (15), the sliding groove (15) is fixedly connected with the fixed column one (16), the fixed column one (16) is sleeved with the spring (17), the spring (17) is provided with two groups, one end of the two groups of spring (17) is fixedly connected with the extension plate (14), the other end is fixedly connected in the sliding groove (15).
3. A micro-hole cleaning device according to claim 2, wherein: The placing plate (13) is fixedly connected with the fixed column two (18), the fixed column two (18) is rotatably connected with the compression frame (19), the compression frame (19) is provided with a circular hole (20), the square plate (12) is provided with a threaded hole (21), the circular hole (20) is slidably connected with the bolt (22), one end of the bolt (22) is threadedly connected with the threaded hole (21).
4. A micro-hole cleaning device according to claim 3, wherein: The bottom of the water storage tank (2) is inclined, one side of the low part of the bottom of the water storage tank (2) is fixedly connected with the drain valve (23), the bottom of the box (1) is fixedly connected with the supporting leg (24), the supporting leg (24) is provided with four groups, the bottom of the box (1) is fixedly connected with the ultrasonic generator.
5. A micro-hole cleaning device according to claim 4, wherein: The connecting plate (6) slides in the mounting bracket (3), the shape of the connecting plate (6) is L-shaped, the belt pulley two (10) is rotatably connected to the connecting plate (6).
6. A micro-hole cleaning device according to claim 5, wherein: The square plate (12) and the placing plate (13) are respectively provided with a plurality of through holes, the two groups of spring (17) are located at both ends of the extension plate (14), the extension plate (14) slides on the fixed column one (16), the cam (11) is located between the fixed column one (16) and the placing plate (13), the cam (11) is attached to the extension plate (14).
7. A micro-hole cleaning device according to claim 6, wherein: The water storage tank (2) slides in the box (1), the bolt (22) is provided with two groups, the width of the compression frame (19) is consistent with the width of the placing plate (13), the compression frame (19) is located above the placing plate (13).