Dry ice plate washing machine

Abstract

The utility model belongs to the technical field of circuit board processing, and particularly relates to a dry ice board washing machine. Comprising a machine body, and a feeding port and a discharging port are formed in the two sides of the machine body respectively; the conveying assembly transversely penetrates through the machine body from the feeding opening and extends to the discharging opening, and the conveying assembly is used for conveying a circuit board; the displacement assembly is erected in the machine body; the displacement assembly is arranged on the conveying assembly, the cleaning assembly is arranged on the displacement assembly, the displacement assembly drives the cleaning assembly to move above the conveying assembly, the cleaning assembly comprises a nozzle, and the nozzle is used for receiving dry ice particles to clean the circuit board located on the conveying assembly; and the baffle assembly is movably arranged at the feed port and the discharge port and is used for shielding the feed port and the discharge port when the circuit board is cleaned. The circuit board cleaning device can clean the circuit board in an environment-friendly and efficient mode, and has the advantages of being free of chemical residues and environmental pollution and high in cleaning efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board processing, and in particular relates to a dry ice circuit board washing machine. Background Art

[0002] In the manufacturing process of electronic products, the cleanliness of circuit boards plays a vital role in product quality and performance. Traditional circuit board cleaning methods mainly use chemical cleaning fluids to remove contaminants such as flux, solder paste, adhesives, etc. on the circuit boards by spraying or immersing. However, this method has many disadvantages.

[0003] First, the organic solvents and other chemical components in the chemical cleaning fluid may corrode or damage the materials and electronic components of the circuit board, thereby affecting the performance and service life of the circuit board. In addition, long-term use of chemical cleaning fluid may cause harmful substances to remain on the circuit board, increasing the failure rate of the product.

[0004] Secondly, the waste liquid treatment of chemical cleaning fluid is an environmental issue. The toxic substances and volatile harmful gases in the waste liquid not only pollute the environment, but also pose a potential threat to the health of cleaning personnel. In addition, the treatment and discharge of waste liquid also increase the operating costs of enterprises.

[0005] Therefore, there is an urgent need for a circuit board washer that is environmentally friendly, highly efficient, and does not cause damage to the circuit board. Utility Model Content

[0006] The utility model aims to provide a dry ice circuit board washing machine to address the deficiencies of the prior art, which can realize environmentally friendly and efficient cleaning of circuit boards and has the advantages of no chemical residue, no environmental pollution and high cleaning efficiency.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A dry ice plate washing machine, comprising:

[0009] A machine body, wherein a feed inlet and a discharge outlet are respectively provided on both sides of the machine body;

[0010] A conveying assembly extending from the feed port across the machine body and toward the discharge port, the conveying assembly being used to convey the circuit board;

[0011] A displacement assembly mounted in the body;

[0012] A cleaning component is disposed on the displacement component, the displacement component drives the cleaning component to move above the conveying component, the cleaning component includes a nozzle, and the nozzle is used to receive dry ice particles to clean the circuit board located on the conveying component;

[0013] The baffle assembly is movably arranged at the feed inlet and the discharge outlet, and is used to shield the feed inlet and the discharge outlet when cleaning the circuit board.

[0014] Furthermore, a limit sensing component is arranged in the body near the conveying component, and when the limit sensing component detects that the circuit board on the conveying component reaches a specified position, the movement of the circuit board is blocked.

[0015] Furthermore, two limit sensing components are provided, which are used to limit and block two circuit boards located on the conveying component respectively.

[0016] Furthermore, the limit sensing component includes a limit cylinder and a sensor, the limit cylinder is used to block the movement of the circuit board, and the sensor is used to detect whether the circuit board reaches a specified position.

[0017] Furthermore, the baffle assembly includes a baffle and a baffle cylinder connected to the baffle, and when the two circuit boards are respectively blocked by the two limit cylinders, the baffle cylinder will push the baffle to close the feed port and the discharge port.

[0018] Furthermore, the displacement assembly includes a front-rear displacement rail and a left-right displacement rail arranged on the front-rear displacement rail, and the cleaning assembly can be movably mounted on the left-right displacement rail.

[0019] Furthermore, the cleaning assembly includes a fixing seat, and the nozzle is installed on the fixing seat.

[0020] Furthermore, a laser positioning pen is arranged on the fixing seat near the nozzle.

[0021] Furthermore, the conveying assembly includes a first conveying track and a second conveying track which are arranged parallel to each other, and two ends of the circuit board are respectively mounted on the first conveying track and the second conveying track.

[0022] Furthermore, a dry ice crusher is provided in the machine body below the conveying assembly, and the dry ice crusher is used to crush the dry ice and spray it out at high pressure, and the dry ice crusher is connected to the nozzle.

[0023] Beneficial effects of the utility model:

[0024] The utility model provides a feed inlet and a discharge outlet on both sides of a machine body. When cleaning a circuit board, the circuit board is conveyed to the inside of the machine body by a conveying assembly. After the baffle assembly covers the feed inlet and the discharge outlet, a nozzle sprays dry ice particles to clean the circuit board, which is environmentally friendly and efficient. A limit sensing assembly is provided to sense whether the circuit board is in place. Two limit sensing assemblies are provided to sense two circuit boards, which facilitates the simultaneous cleaning of two circuit boards and improves the cleaning efficiency. The movement of the nozzle is achieved by providing a front and rear displacement slide rail and a left and right displacement slide rail. A laser positioning pen is provided to facilitate the positioning of the cleaning position. A dry ice crusher is provided to facilitate the crushing of dry ice into dry ice particles. The utility model can realize environmentally friendly and efficient cleaning of circuit boards, and has the advantages of no chemical residue, no environmental pollution and high cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Attached Figure 1 It is a structural schematic diagram of the dry ice plate washing machine of the utility model;

[0026] Attached Figure 2 It is a structural schematic diagram of the dry ice plate washing machine of the utility model;

[0027] Attached Figure 3 It is a partial structural schematic diagram of the dry ice plate washing machine of the utility model;

[0028] Attached Figure 4 It is a partial structural schematic diagram of the dry ice plate washing machine of the utility model;

[0029] Attached Figure 5 It is a structural schematic diagram of the cleaning component of the utility model;

[0030] Attached Figure 6 It is a structural schematic diagram of the transmission component and the limit sensing component of the utility model;

[0031] Attached Figure 7 It is a structural schematic diagram of the limit sensing component of the utility model;

[0032] Markings in the figure: 1-machine body, 110-feed port, 120-discharge port; 2-transmission assembly, 210-first transmission track, 220-second transmission track; 3-displacement assembly, 310-front and rear displacement slide rail, 320-left and right displacement slide rail; 4-cleaning assembly, 410-nozzle, 420-fixed seat, 430-laser positioning pen; 5-baffle assembly, 510-baffle, 520-baffle cylinder; 6-limit sensing assembly, 610-limit cylinder, 620-sensor; 7-dry ice crusher. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0034] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not 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 cannot be understood as a limitation on the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0036] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] See attached Figure 1 To Attachment Figure 7 , the figure shows a specific embodiment of a dry ice plate washing machine provided by the utility model.

[0038] See attached Figure 1 , Attachment Figure 2 and attached Figure 3 , dry ice plate washer includes:

[0039] The machine body 1 has a feed inlet 110 and a discharge outlet 120 on both sides of the machine body 1;

[0040] A conveying assembly 2 extending from the feed port 110 across the machine body 1 and toward the discharge port 120, the conveying assembly 2 being used to convey the circuit board;

[0041] A displacement assembly 3 mounted in the body 1;

[0042] A cleaning assembly 4 is disposed on the displacement assembly 3, the displacement assembly 3 drives the cleaning assembly 4 to move above the conveying assembly 2, the cleaning assembly 4 includes a nozzle 410, and the nozzle 410 is used to receive dry ice particles to clean the circuit board located on the conveying assembly 2;

[0043] The baffle assembly 5 movably disposed at the feed inlet 110 and the discharge outlet 120 is used to shield the feed inlet 110 and the discharge outlet 120 when cleaning the circuit board.

[0044] See attached Figure 3 and attached Figure 4 In the above embodiment, the machine body 1 includes an upper part and a lower part, and the structures such as the conveying component 2, the displacement component 3, and the cleaning component 4 are arranged in the upper part of the machine body 1. The dry ice crusher 7 is arranged in the lower part of the machine body 1. The dry ice crusher 7 crushes the dry ice and sprays it to the nozzle 410 located in the upper part of the machine body 1 to achieve the cleaning of the circuit board. Specifically, the baffle assembly 5 is opened, and the circuit board enters the machine body 1 from the feed port 110 through the conveying component 2. The conveying component 2 is paused to make the circuit board stay in the machine body 1. The baffle assembly 5 is closed and blocks the feed port 110 and the discharge port 120. The displacement component 3 moves the nozzle 410 above the circuit board to clean the circuit board. After the cleaning is completed, the baffle assembly 5 is opened, and the conveying component 2 restarts and sends the circuit board out from the discharge port 120. By using the baffle assembly 5 to block the feed port 110 and the discharge port 120 during the cleaning process, the high-pressure dry ice particles are prevented from overflowing from the feed port 110 and the discharge port 120.

[0045] See attached Figure 6 and attached Figure 7 In the above embodiment, a limit sensing component 6 is arranged near the conveying component 2 in the machine body 1. When the limit sensing component 6 detects that the circuit board on the conveying component 2 reaches the specified position, it will block the movement of the circuit board. In the embodiment, two limit sensing components 6 are provided, which are used to limit and block the two circuit boards on the conveying component 2 respectively. In the embodiment, a space for two circuit boards to be cleaned at the same time is reserved inside the machine body 1. When the first circuit board enters the machine body 1, it passes through the first limit sensing component 6, and the first limit sensing component 6 does not react. When the first circuit board reaches the second limit sensing component 6, the second limit sensing component 6 limits and blocks the first circuit board, and the conveying component 2 continues to convey, but the first circuit board remains in place due to being blocked; after the second circuit board enters the machine body 1, it reaches the first limit sensing component 6, and the first limit sensing component 6 limits and blocks the second circuit board, and then notifies the baffle component 5 to cover the feed port 110 and the discharge port 120, and starts cleaning.

[0046] See attached Figure 6 and attached Figure 7 In the above embodiment, the limit sensing assembly 6 includes a limit cylinder 610 and a sensor 620. The limit cylinder 610 is used to block the movement of the circuit board, and the sensor 620 is used to detect whether the circuit board has reached the specified position. The baffle assembly 5 includes a baffle 510 and a baffle cylinder 520 connected to the baffle 510. When two circuit boards are respectively blocked by the two limit cylinders 610, the baffle cylinder 520 will push the baffle 510 to close the feed port 110 and the discharge port 120. In the embodiment, when the first circuit board reaches the second sensor 620, the second limit cylinder 610 pushes up to block the first circuit board. When the second circuit board reaches the first sensor 620, the first limit cylinder 610 pushes up to block the second circuit board. Then the baffle cylinder 520 drives the baffle 510 to close the feed port 110 and the discharge port 120 to start cleaning.

[0047] See attached Figure 4 In the above embodiment, the displacement assembly 3 includes a front-to-back displacement rail 310 and a left-to-right displacement rail 320 disposed on the front-to-back displacement rail 310, and the cleaning assembly 4 is movably mounted on the left-to-right displacement rail 320. In the embodiment, two front-to-back displacement rails 310 are provided, which are respectively disposed near the feed port 110 and near the discharge port 120, and are located above the conveying assembly 2; the left-to-right displacement rail 320 is assumed to be on the two front-to-back displacement rails 310, and the two front-to-back displacement rails 310 simultaneously drive the left-to-right displacement rail 320 to move forward and backward, while the left-to-right displacement rail 320 itself drives the cleaning assembly 4 to move, thereby realizing the free displacement of the cleaning assembly 4 on a plane.

[0048] See attached Figure 5 In the above embodiment, the cleaning component 4 includes a fixing seat 420, and the nozzle 410 is installed on the fixing seat 420. In the embodiment, the fixing seat 420 is installed on the left and right displacement slide rails 320, and the nozzle 410 is installed on the fixing seat 420. A laser positioning pen 430 is also provided on the fixing seat 420 near the nozzle 410. In the embodiment, the laser positioning pen 430 and the nozzle 410 move synchronously, and the laser positioning pen 430 is used to locate the cleaning position. Among them, the nozzle 410 is vertically arranged, and the laser positioning pen 430 is inclined.

[0049] See attached Figure 6In the above embodiment, the conveying assembly 2 includes a first conveying track 210 and a second conveying track 220 arranged in parallel with each other, and the two ends of the circuit board are respectively mounted on the first conveying track 210 and the second conveying track 220. In the embodiment, the first conveying track 210 and the second conveying track 220 are symmetrically arranged, and conveyor belts are arranged on the first conveying track 210 and the second conveying track 220. The two ends of the circuit board are mounted on the conveyor belts of the first conveying track 210 and the second conveying track 220, and the conveyor belts convey the circuit board to the body 1.

[0050] See attached Figure 2 In the above embodiment, the dry ice crusher 7 is arranged in the body 1 below the conveying assembly 2. The dry ice crusher 7 is used to crush the dry ice and spray it out at high pressure. The dry ice crusher 7 is connected to the nozzle 410. In the embodiment, dry ice is placed in the dry ice crusher 7, and the blade in the dry ice crusher 7 crushes the dry ice to form dry ice particles. The dry ice crusher 7 is connected to the air compressor to spray the dry ice particles, which are connected to the nozzle 410. The nozzle 410 sprays the dry ice particles to clean the circuit board.

[0051] In summary, the present embodiment provides a dry ice board washing machine, which is provided with a feed port 110 and a discharge port 120 on both sides of a machine body 1. When cleaning a circuit board, the circuit board is conveyed to the inside of the machine body 1 through a conveying assembly 2. After the baffle assembly 5 blocks the feed port 110 and the discharge port 120, a nozzle 410 sprays dry ice particles to clean the circuit board, which is environmentally friendly and efficient. A limit sensing assembly 6 is provided to sense whether the circuit board is in place. Two limit sensing assemblies 6 are provided to sense two circuit boards, so that two circuit boards can be cleaned at the same time, thereby improving the cleaning efficiency. A front and rear displacement slide rail 310 and a left and right displacement slide rail 320 are provided to realize the movement of the nozzle 410. A laser positioning pen 430 is provided to facilitate positioning of the cleaning position. A dry ice crusher 7 is provided to facilitate crushing dry ice into dry ice particles. The present embodiment can realize environmentally friendly and efficient cleaning of circuit boards, and has the advantages of no chemical residue, no environmental pollution and high cleaning efficiency.

[0052] The embodiment described above is only one of the more preferred specific embodiments of the present invention. Common changes and substitutions made by technicians in this field within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A dry ice plate washer, characterized in that: include: A machine body (1), wherein a feed inlet (110) and a discharge outlet (120) are respectively provided on two sides of the machine body (1); a conveying component (2) which traverses the machine body (1) from the feed port (110) and extends toward the discharge port (120), the conveying component (2) being used to convey circuit boards; A displacement assembly (3) mounted inside the machine body (1); a cleaning component (4) disposed on the displacement component (3), the displacement component (3) driving the cleaning component (4) to move above the conveying component (2), the cleaning component (4) comprising a nozzle (410), the nozzle (410) being used to receive dry ice particles to clean the circuit board located on the conveying component (2); A baffle assembly (5) movably arranged at the feed inlet (110) and the discharge outlet (120) is used to shield the feed inlet (110) and the discharge outlet (120) when cleaning a circuit board.

2. A dry ice plate washer according to claim 1, characterized in that: A limit sensing component (6) is arranged in the machine body (1) near the conveying component (2), and when the limit sensing component (6) detects that a circuit board on the conveying component (2) has reached a specified position, it blocks the movement of the circuit board.

3. A dry ice plate washer according to claim 2, characterized in that: The position limit sensing components (6) are provided with two, and are used to respectively limit and block two circuit boards located on the conveying components (2).

4. A dry ice plate washer according to claim 3, characterized in that: The position limiting sensing component (6) comprises a position limiting cylinder (610) and a sensor (620), wherein the position limiting cylinder (610) is used to block the movement of the circuit board, and the sensor (620) is used to detect whether the circuit board has reached a specified position.

5. A dry ice plate washer according to claim 4, characterized in that: The baffle assembly (5) comprises a baffle (510) and a baffle cylinder (520) connected to the baffle (510); when the two circuit boards are respectively blocked by the two limiting cylinders (610), the baffle cylinder (520) will push the baffle (510) to close the feed port (110) and the discharge port (120).

6. The dry ice plate washer according to claim 1, characterized in that: The displacement assembly (3) comprises a front and rear displacement slide rail (310) and a left and right displacement slide rail (320) arranged on the front and rear displacement slide rail (310), and the cleaning assembly (4) is movably mounted on the left and right displacement slide rail (320).

7. The dry ice plate washer according to claim 1, characterized in that: The cleaning component (4) comprises a fixing seat (420), and the nozzle (410) is mounted on the fixing seat (420).

8. The dry ice plate washer according to claim 7, characterized in that: A laser positioning pen (430) is also provided on the fixing seat (420) near the nozzle (410).

9. The dry ice plate washer according to claim 1, characterized in that: The conveying assembly (2) comprises a first conveying track (210) and a second conveying track (220) which are arranged parallel to each other, and two ends of the circuit board are respectively mounted on the first conveying track (210) and the second conveying track (220).

10. A dry ice plate washer according to any one of claims 1 to 9, characterized in that: A dry ice crusher (7) is also provided in the machine body (1) below the conveying assembly (2). The dry ice crusher (7) is used to crush dry ice and spray it out at high pressure. The dry ice crusher (7) is connected to the nozzle (410).

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