Foreign matter cleaning device

Abstract

The utility model discloses a foreign matter cleaning device which comprises a bottom plate. The workbench is supported on the bottom plate and penetrates through the bottom plate to form a receding channel; the fixing mechanism is arranged on the workbench and corresponds to the receding channel so as to position the product; the cleaning mechanism comprises an air blowing assembly with a plurality of high-pressure nozzles, a jacking assembly for supporting the air blowing assembly and a driving assembly for driving the air blowing assembly to move in the axial direction of the receding channel so as to enable the high-pressure nozzles to enter and exit from the receding channel, and when the high-pressure nozzles enter the receding channel, the high-pressure nozzles correspond to holes and grooves in the product; a first high-pressure gas output port of the gas generating mechanism is communicated with the high-pressure nozzle through a pipeline so as to provide high-pressure gas. Compared with the prior art, the cleaning effect is high, the cleaning efficiency is high, errors are not prone to occurring in the cleaning process, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning foreign matter from structural parts, in particular to a foreign matter cleaning device. Background Art

[0002] In the design and manufacturing of electronic products, with the continuous advancement of technology and the increasing functionality of products, the integration of various precision components is becoming increasingly higher, placing more stringent requirements on product assembly processes. The midframe and back cover of electronic products, as key components that support and protect the internal structure, are designed with numerous threaded holes. These holes not only secure core components such as the battery, motherboard, and camera, but also ensure the stability and reliability of the overall structure. However, these threaded holes are highly susceptible to contamination from foreign matter such as dust, metal debris, and lubricant residue during processing and transportation.

[0003] Due to the compact interior space and complex circuit layouts of electronic products, any tiny foreign object that falls onto the circuit board area can cause a short circuit, resistance change, or localized overheating, potentially damaging the circuit board or even causing failure of the entire device. This risk is particularly prominent in highly integrated, high-power electronic products. Once the circuit board is burned, it will directly render the product scrapped, increase production costs, and affect the user experience.

[0004] To effectively avoid such risks, cleaning foreign matter from threaded holes has become a crucial step in the production process of electronic products. Traditionally, this step relies mainly on manual cleaning with an air gun, which generates high-speed airflow to blow away foreign matter from the threaded holes. However, this method has several significant limitations: First, while the air pressure of 0.4Mpa can remove surface and shallow foreign matter to a certain extent, its cleaning effect is often unsatisfactory for blind holes with large depths and complex structures, especially the interior of threaded holes, and it is difficult to completely remove all impurities; second, since there are many threaded holes on electronic products and they are widely distributed, the position and angle of each hole are different. Using an air gun to clean them one by one is not only inefficient, but also requires the operator to constantly change angles and positions, which greatly increases the workload and error rate, affecting production efficiency. Utility Model Content

[0005] In view of this, the purpose of the present invention is to provide a foreign matter cleaning device to solve the problem of difficulty and low efficiency in cleaning holes and grooves in product structural parts in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a foreign matter cleaning device, comprising:

[0007] base plate;

[0008] A workbench, the workbench is supported on the bottom plate and has a clearance channel formed therethrough;

[0009] A fixing mechanism, the fixing mechanism being arranged on the workbench and corresponding to the clearance channel to position the product;

[0010] The cleaning mechanism includes a blowing assembly having a plurality of high-pressure nozzles, a lifting assembly supporting the blowing assembly, and a driving assembly driving the blowing assembly to move axially along a clearance channel so that the high-pressure nozzles enter and exit the clearance channel, wherein when the high-pressure nozzles enter the clearance channel, the high-pressure nozzles correspond to the holes and grooves on the product;

[0011] A gas generating mechanism, wherein a first high-pressure gas output port of the gas generating mechanism is connected to the high-pressure nozzle through a pipeline to provide high-pressure gas.

[0012] Furthermore, the fixing mechanism includes a first positioning component and a limiting component arranged on the upper surface of the workbench and corresponding to the periphery of the make way channel, and a second positioning component arranged across the make way channel and supported on the upper surface of the workbench. The limiting component contour supports the product and fixes and limits the product. The first positioning component and the second positioning component cooperate to achieve the positioning of the product.

[0013] Furthermore, the clearance passage has a first side and a second side that are oppositely arranged, and a third side and a fourth side that are oppositely arranged, and the upper surface of the workbench is recessed with a first bezel that is connected to the first side of the clearance passage and a second bezel that is connected to the second side of the clearance passage;

[0014] The first positioning assembly includes a first positioning block embedded in the first embedding groove and a second positioning block embedded in the second embedding groove, the first positioning block having a first positioning portion protruding upward and cooperating with the inner periphery of the product, and the second positioning block having a second positioning portion protruding upward and cooperating with the inner periphery of the product;

[0015] The second positioning assembly includes a first insert arranged on the upper surface of the workbench and corresponding to the third side of the make way channel, a second insert corresponding to the fourth side of the make way channel, and a connecting cross plate spanning above the make way channel and embedded between the first insert and the second insert, and a positioning pin protruding from the upper surface of the connecting cross plate for cooperating with the product positioning.

[0016] Furthermore, the limiting assembly includes a plurality of limiting blocks arranged on the upper surface of the workbench and spaced around the periphery of the make way channel, the inner side of the limiting block is formed with a contoured limiting surface that is contoured to the corresponding position of the product, the product is contoured and supported on each contoured limiting surface to achieve limitation, the limiting block is made of a flexible material, and the contoured limiting surface is interference fit with the product, so that the product can be flexibly fixed when contoured and supported on each contoured limiting surface.

[0017] Furthermore, the blowing assembly includes a nozzle fixing plate arranged on the jacking assembly, and a nozzle mounting hole corresponding to the high-pressure nozzle is provided through the nozzle fixing plate. The high-pressure nozzle is screwed into the nozzle mounting hole, and the top end of the high-pressure nozzle passes through the nozzle mounting hole and is opposite to the hole and groove of the product. The bottom end of the high-pressure nozzle is connected to the gas generating mechanism through a pipe.

[0018] Furthermore, the workbench is supported above the base plate by support columns at intervals, so that a lifting space is formed between the workbench and the base plate;

[0019] The jacking assembly includes a movable plate connected to the driving assembly and moving up and down in the jacking space, and a pad, a guide unit and a floating limit unit arranged on the movable plate; the nozzle fixing plate is supported on the pad, and the pad is fixed to the movable plate by a pin, one end of the guide unit is connected to the lower surface of the workbench, and the other end is passed through the movable plate to guide the movable plate, one end of the floating limit unit is connected to the movable plate, and the other end is floatingly supported on the lower surface of the workbench when the jacking assembly approaches the workbench.

[0020] Furthermore, the movable plate is penetrated by a plurality of guide holes, and the guide unit includes a guide column fixed on the lower surface of the workbench and a guide sleeve slidably sleeved on the outer periphery of the guide column, the guide column is passed through the guide hole and the guide sleeve is fixed to the guide hole.

[0021] Furthermore, the floating limit unit includes a plurality of height limit blocks fixed on the movable plate and a plurality of floating support pins arranged on the movable plate. The upper end of the floating support pin has an elastic contact portion which is horizontally higher than the upper surface of the height limit block. When the lifting assembly moves upward and approaches the lower surface of the workbench, the floating support pin contacts the lower surface of the workbench, and the elastic contact portion retracts to buffer the contact force between the lifting assembly and the workbench.

[0022] Furthermore, the driving assembly includes a driver mounted on the base plate and a connecting block arranged on the movable shaft of the driver. The connecting block is fixedly connected to the movable plate. The movable shaft of the driver moves linearly along the moving direction of the lifting assembly, so that the lifting assembly carries the blowing assembly in and out of the clearance channel to approach or move away from the product.

[0023] Furthermore, the gas generating mechanism includes a bracket, a gas tank fixed on the bracket, and a booster pump connected to the gas tank; the gas tank has a high-pressure gas input port and a first high-pressure gas output port, the high-pressure gas input port is connected to the high-pressure gas, the first high-pressure gas output port is connected to the high-pressure nozzle through a pipeline, and the booster pump has a compressed gas input port to connect conventional compressed gas and pressurize the conventional compressed gas and input it into the gas tank.

[0024] The present invention is capable of simultaneously providing high-pressure gas to tiny spaces such as holes and grooves on the structural parts of electronic products by providing a blowing mechanism with multiple high-pressure nozzles, so as to use the strong impact force of the high-pressure gas to deeply and thoroughly remove stubborn foreign matter such as dust, metal debris and lubricating oil residue inside the holes and grooves, effectively solving the problems of incomplete cleaning and low cleaning efficiency in traditional air gun cleaning methods, and also avoiding the risk of cleaning omissions or damage to products due to improper manual operation. At the same time, because the high-pressure nozzle can flexibly align with threaded holes in different positions and angles, the adaptability and flexibility of the equipment are enhanced. In addition, the product is fixed by flexible extrusion with a limit block, which can prevent the additional structural parts from causing damage to the product appearance. At the same time, when fixing, it is only necessary to squeeze the product into the space defined by the limit block, which is efficient and fast, and can further improve the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the product structure.

[0026] Figure 2 It is a structural schematic diagram of the foreign matter cleaning device of the present utility model.

[0027] Figure 3 This is a schematic diagram of the structure of a foreign matter cleaning device with the gas generating mechanism omitted.

[0028] Figure 4 This is a structural diagram of the workbench.

[0029] Figure 5 This is the assembly drawing of the workbench and fixing mechanism.

[0030] Figure 6 It is a structural diagram of the cleaning mechanism.

[0031] Figure 7This is the assembly drawing of the cleaning mechanism and workbench.

[0032] Figure 8 Schematic diagram of the structure of the gas generating mechanism.

[0033] Figure 9 for Figure 3 Front view of the foreign body cleaning device in.

[0034] Figure 10 for Figure 9 The main view of the device in its initial state when in use.

[0035] Figure 11 for Figure 9 The main view of the cleaning state of the device when in use.

[0036] The accompanying drawings in this specification are numeraled as follows:

[0037] Product 100, eyeglass frame 110, connector 120, blind hole 121, reinforcing rib 130, positioning hole 131;

[0038] Base plate 200;

[0039] Working table 300, making way channel 310, first bezel groove 320, second bezel groove 330;

[0040] Fixing mechanism 400, first positioning assembly 410, first positioning block 411, first positioning portion 411a, second positioning block 412, second positioning portion 412a, second positioning assembly 420, first insert 421, second insert 422, connecting horizontal plate 423, positioning pin 424, limiting assembly 430, limiting block 431, contoured limiting surface 431a;

[0041] Cleaning mechanism 500, air blowing assembly 510, high-pressure nozzle 511, nozzle fixing plate 512, nozzle mounting hole 513, lifting assembly 520, movable plate 521, guide hole 521a, pad 522, guide unit 523, guide column 523a, guide sleeve 523b, floating limit unit 524, height limit block 524a, floating support pin 524b, elastic contact portion 524c, driving assembly 530, driver 531, movable shaft 532, connecting block 533;

[0042] Gas generating mechanism 600, bracket 610, gas storage tank 620, high-pressure gas input port 621, first high-pressure gas output port 622, booster pump 630, compressed gas input port 631, second high-pressure gas output port 632;

[0043] Support column 700;

[0044] Lifting space 800. DETAILED DESCRIPTION

[0045] The following is further described in detail through specific implementation methods:

[0046] Example

[0047] Please refer to Figure 1 , which is a schematic structural diagram of a structural member (hereinafter referred to as "product 100") to be cleaned by the present invention. The product 100 is the outer shell structure of VR glasses, including a glasses frame 110 formed in a surrounding manner, various connecting members 120 formed on the glasses frame 110, and reinforcing ribs 130 connecting the two long sides of the glasses frame 110. The glasses frame 110 has a frame bottom and a frame periphery that support and clamp the corresponding position of the foreign matter cleaning device during the cleaning process, and a frame inner periphery that is integrally positioned with the foreign matter cleaning device. Holes and groove structures are formed on the connecting member 120 to facilitate the assembly of the glasses frame 110 with other structures. Taking a hole as an example, the hole can be a blind hole 121 or a through hole. The product 100 of this embodiment is a threaded blind hole 121 (hereinafter referred to as "blind hole 121"). A positioning hole 131 is provided on the reinforcing rib 130. The positioning hole 131 can further cooperate with the foreign matter cleaning device during the cleaning process to achieve more precise positioning. It is understandable that the structure of the product 100 given in this embodiment is only an example and is not limited to this embodiment being able to only achieve foreign matter cleaning of this type of product 100.

[0048] Please refer to Figure 2 and Figure 3 The foreign matter cleaning device of the present invention includes a base plate 200, a workbench 300 supported on the base plate 200, a fixing mechanism 400 disposed on the workbench 300, a cleaning mechanism 500 disposed between the base plate 200 and the workbench 300, and a gas generating mechanism 600 connected to the cleaning mechanism 500. A clearance channel 310 is formed through the workbench 300. The product 100 is supported and clamped on the fixing mechanism 400. The workbench 300 is supported above the base plate 200 by support columns 700 at intervals, forming a lifting space 800 between the workbench 300 and the base plate 200 to accommodate the cleaning mechanism 500. The gas generating mechanism 600 compresses incoming conventional compressed gas (typically 0.4 MPa) into high-pressure gas (ranging from 1.5 MPa to 3 MPa), which is then fed into the cleaning mechanism 500. The cleaning mechanism 500, after the clearance passage 310 has been moved, faces the product 100 and simultaneously cleans all blind holes 121 on the product 100 with high-pressure gas, thereby improving the effectiveness and efficiency of cleaning foreign matter from the blind holes 121 of the product 100. In a specific implementation, the base plate 200, workbench 300, fixing mechanism 400, and cleaning mechanism 500 constitute a cleaning structure. Multiple cleaning structures can be connected to one gas generating mechanism 600 simultaneously to improve overall cleaning efficiency.

[0049] Please refer to Figure 4 In this embodiment, the workbench 300 is a rectangular plate-like structure. Based on the shapes of the product 100 and the cleaning structure, the clearance passage 310 is also rectangular. It is understood that in other embodiments, the shape and structure of the workbench 300 and the clearance passage 310 may be adaptively modified according to actual needs, and this embodiment does not impose any specific limitations.

[0050] The clearance passage 310 has a first side and a second side, as well as a third side and a fourth side. Specifically, the first side and the second side of the clearance passage 310 correspond to its two opposite short sides, and the third side and the fourth side of the clearance passage 310 correspond to its two opposite long sides. A first beading groove 320 and a second beading groove 330 are recessed on the upper surface of the workbench 300, communicating with the first side of the clearance passage 310 and communicating with the second side of the clearance passage 310, for accommodating a positioning mechanism. In other embodiments, the first beading groove 320 and the second beading groove 330 may not be connected to the first and second sides of the inner circumference of the clearance passage 310, but may be independently provided to accommodate the positioning mechanism. Furthermore, the first beading groove 320 and the second beading groove 330 may also be provided on the third and fourth sides, respectively. The specific layout can be customized based on actual needs.

[0051] Please refer to Figure 5 , the fixing mechanism 400 corresponds to the clearance channel 310 to position the product 100. The fixing mechanism 400 includes a first positioning component 410 and a limiting component 430 arranged on the upper surface of the workbench 300 and corresponding to the periphery of the clearance channel 310, and a second positioning component 420 arranged across the clearance channel 310 and supported on the upper surface of the workbench 300. The first positioning component 410 and the second positioning component 420 cooperate to achieve the positioning of the product 100. Specifically, the first positioning component 410 cooperates with the inner periphery of the frame of the product 100 to perform the overall positioning (or rough positioning) of the product 100, and the second positioning component 420 supports the reinforcing rib 130 and cooperates with the positioning hole 131 on the reinforcing rib 130 to achieve accurate positioning of the product 100. The limiting component 430 conformally supports the product 100 and fixes and limits the product 100. Specifically, the bottom of the frame of the product 100 is supported on the limiting component 430 to support the product 100. At the same time, an interference fit is formed between the periphery of the frame of the product 100 and the limiting component 430. The limiting component 430 flexibly pressurizes the periphery of the product 100 to fix the product 100.

[0052] The first positioning assembly 410 includes a first positioning block 411 embedded in the first embedding groove 320 and a second positioning block 412 embedded in the second embedding groove 330. The first positioning block 411 and the second positioning block 412 respectively cooperate with two corresponding opposite sides of the inner perimeter frame of the product 100 for positioning. Specifically, the first positioning block 411 has a first positioning portion 411a that protrudes upward and cooperates with the inner perimeter frame of the product 100. The second positioning block 412 has a second positioning portion 412a that protrudes upward and cooperates with the inner perimeter of the product 100. The outer side surfaces of the first positioning portion 411a and the outer side surfaces of the second positioning portion 412a abut against the inner perimeter frame on the corresponding side of the product 100 to achieve the overall initial positioning of the product 100. In this embodiment, the outer side surfaces of the first positioning portion 411a and the second positioning portion 412a can be configured to correspond to the shape of the product 100 to enhance the stability of the positioning of the product 100.

[0053] The second positioning assembly 420 includes a first insert 421 corresponding to the third side of the clearance channel 310, a second insert 422 corresponding to the fourth side of the clearance channel 310, and a connecting plate 423 spanning the clearance channel 310 and interposed between the first and second inserts 421, 422. Both the first and second inserts 421, 422 are mounted on the top surface of the workbench 300. One end of the connecting plate 423 is mounted on the first insert 421, and the other end is mounted on the second insert 422, enabling the connecting plate 423 to support the reinforcing ribs 130 of the product 100. Positioning pins 424 are protruding from the top surface of the connecting plate 423 to align with the positioning holes 131 in the reinforcing ribs 130. The engagement of the positioning pins 424 with the positioning holes 131 ensures that the product 100 is more accurately positioned, ensuring that the cleaning mechanism 500 can accurately remove foreign matter from each blind hole 121.

[0054] The limiting assembly 430 includes a plurality of limiting blocks 431 disposed on the upper surface of the workbench 300 and spaced apart around the periphery of the clearance passage 310. In this embodiment, four limiting blocks 431 are provided, based on the structure and shape of the clearance passage 310, and are positioned at the four corners of the clearance passage 310 to achieve multiple position limiting and fixation of the product 100. Contoured limiting surfaces 431a are formed on the inner sides of the limiting blocks 431, which are contoured to the corresponding positions of the product 100. The product 100 is contoured and supported on each contoured limiting surface 431a to achieve position limiting. Specifically, the contoured limiting surfaces 431a have a generally L-shaped cross-section. The bottom of the frame of the product 100 is supported on the horizontal surface of the contoured limiting surface 431a, and the outer periphery of the frame of the product 100 is constrained to the inner periphery of the vertical surface of the contoured limiting surface 431a to restrict the movement of the product 100. In this embodiment, the limit block 431 is made of a flexible material, and the contoured limit surface 431a is interference fit with the product 100, so that when the product 100 is contour-supported on each contoured limit surface 431a, the vertical surface of the contoured limit surface 431a can flexibly squeeze the outer periphery of the frame of the product 100 inward to fix the product 100.

[0055] Preferably, the first positioning assembly 410, the second positioning assembly 420 and the limit assembly 430 can all be installed on the workbench 300 in a detachable manner to facilitate replacement of appropriate positioning blocks according to the structure of the product 100 to increase the applicability and flexibility of the entire device.

[0056] Please refer to Figure 6 and Figure 7 The cleaning mechanism 500 includes a blowing assembly 510, a lifting assembly 520 that supports the blowing assembly 510, and a driving assembly 530 that drives the blowing assembly 510 to move axially along the clearance channel 310. The blowing assembly 510 is arranged corresponding to the clearance channel 310, and the lifting assembly 520 is connected to the driving assembly 530, so that when the driving assembly 530 is in operation, it can drive the lifting assembly 520 to move axially toward or away from the workbench 300, and the lifting assembly 520 can simultaneously drive the blowing assembly 510 to enter or exit the clearance channel 310, thereby moving the blowing assembly 510 toward or away from the product 100, thereby cleaning the blind hole 121 of the product 100.

[0057] The air blowing assembly 510 includes multiple high-pressure nozzles 511 and a nozzle fixing plate 512. The high-pressure nozzles 511 are mounted on the nozzle fixing plate 512. The high-pressure nozzles 511 face the blind holes 121 of the product 100, with at least one high-pressure nozzle 511 corresponding to each blind hole 121. The high-pressure nozzle assembly is connected to the gas generating mechanism 600 to spray high-pressure gas into the blind holes 121 of the product 100, thereby cleaning the blind holes 121 of the product 100. In this embodiment, the high-pressure nozzles 511 and the nozzle fixing plate 512 are detachably connected to facilitate installation of nozzles of corresponding sizes based on the size of the blind holes 121 of the product 100, as well as the placement of the high-pressure nozzles 511 according to the number and angle of the blind holes 121. The nozzle fixing plate 512 is mounted on the lifting assembly 520. When the lifting assembly 520 approaches or moves away from the workbench 300, it drives the nozzle fixing plate 512 into or out of the clearance channel 310, thereby aligning the high-pressure nozzles 511 with or away from the blind holes 121 of the product 100. In this embodiment, a nozzle mounting hole 513 corresponding to the high-pressure nozzle 511 is formed through the nozzle fixing plate 512. The high-pressure nozzle 511 is screwed into the nozzle mounting hole 513. The top end of the high-pressure nozzle 511 passes through the nozzle mounting hole 513 and faces the hole and groove of the product 100. The bottom end of the high-pressure nozzle 511 is connected to the gas generating mechanism 600 via a pipe (not shown in the figure), so that the high-pressure nozzle 511 can enter and exit the drive assembly 530 of the clearance channel 310.

[0058] The lifting assembly 520 includes a movable plate 521 connected to the drive assembly 530 and movable up and down within the lifting space 800, as well as a pad 522, a guide unit 523, and a floating limiter 524 disposed on the movable plate 521. The movable plate 521 is provided with a plurality of guide holes 521a. The nozzle fixing plate 512 is supported on the pad 522 to mount the entire blowing assembly 510. Preferably, the nozzle fixing plate 512 can be removably mounted on the pad 522 to facilitate replacement of blowing assemblies 510 of different specifications. The pad 522 is fixed to the movable plate 521 by a latch, facilitating quick assembly of the pad 522 and the movable plate 521. One end of the guide unit 523 is connected to the lower surface of the workbench 300, and the other end is inserted into the movable plate 521. The guide unit 523 cooperates with the guide hole 521a, so that when the driving plate drives the jacking assembly 520 to move, the guide unit 523 can guide the movable plate 521 to ensure the axial movement direction of the entire jacking assembly 520. One end of the floating limit unit 524 is connected to the movable plate 521, and the other end is floatingly supported on the lower surface of the workbench 300 when the jacking assembly 520 approaches the workbench 300. This cushions the contact force between the floating limit unit 524 and the lower surface of the workbench 300, reducing the risk of damage to the device.

[0059] The guide unit 523 includes a guide column 523a fixed on the lower surface of the workbench 300 and a guide sleeve 523b slidably sleeved on the outer periphery of the guide column 523a. The guide column 523a is passed through the guide hole 521a and the guide sleeve 523b is fixed to the guide hole 521a. The movable plate 521 can slide smoothly along the guide column 523a under the sliding cooperation between the guide sleeve 523b and the guide column 523a, so as to realize the up and down movement of the movable plate 521.

[0060] The floating limit unit 524 includes a plurality of height-limiting blocks 524a fixed on the movable plate 521 and a plurality of floating support pins 524b provided on the movable plate 521. The height-limiting blocks 524a are used to limit the maximum distance the movable plate 521 moves upward, that is, the movable plate 521 stops when the upper surface of the height-limiting blocks 524a contacts the lower surface of the workbench 300, so as to prevent the blowing assembly 510 from moving beyond the limit and changing its relative position with the blind hole 121, thereby preventing the impurities in the blind hole 121 from being effectively cleaned. The upper end of the floating support pin 524b has an elastic contact portion 524c that is higher in level than the upper surface of the height-limiting block 524a. When subjected to force, the elastic contact portion 524c can retract into the floating support pin 524b to act as a buffer. When the lifting assembly 520 moves upward and approaches the lower surface of the workbench 300, the elastic contact portion 524c first contacts the lower surface of the workbench 300 and gradually retracts under the action of the lower surface of the workbench 300 to play a buffering role until the upper surface of the height limit block 524a is against the lower surface of the workbench 300.

[0061] The drive assembly 530 includes a driver 531 mounted on the base plate 200 and a connecting block 533 disposed on the movable shaft 532 of the driver 531. The movable shaft 532 of the driver 531 moves linearly along the moving direction of the lifting assembly 520. In this embodiment, the driver 531 can be a driving structure such as a cylinder, a piston cylinder, or a linear motor that can drive its movable shaft 532 to extend and retract. The connecting block 533 is fixedly connected to the movable plate 521. When the connecting shaft of the driver 531 extends and retracts, its movable shaft 532 drives the connecting block 533 to move upward or downward, thereby pushing the movable plate 521 and the lifting assembly 520 as a whole, carrying the blowing assembly 510, into and out of the clearance channel 310 to move closer to or away from the product 100.

[0062] Please refer to Figure 8The gas generating mechanism 600 has a compressed gas input port 631 and a first high-pressure gas output port 622. The compressed gas input port 631 is connected to conventional compressed gas, and the pressure of the conventional compressed gas is usually 0.4 MPa. The first high-pressure gas output port 622 is connected to the cleaning mechanism 500 through a pipeline. The gas generating mechanism 600 pressurizes the connected conventional compressed gas to a high-pressure gas of 1.5 MPa to 3 MPa and then provides it to the cleaning mechanism 500 to clean foreign matter in the blind hole 121 of the product 100.

[0063] The gas generating mechanism 600 includes a bracket 610, a gas storage tank 620 fixed on the bracket 610, and a booster pump 630 connected to the gas storage tank 620. The booster pump 630 is used to receive conventional compressed gas and pressurize the conventional compressed gas to form high-pressure gas. The gas storage tank 620 is used to store the high-pressure gas generated by the booster pump 630. Specifically, the booster pump 630 has a compressed gas input port 631 (i.e., the compressed gas input port 631 of the gas generating mechanism 600) and a second high-pressure gas output port 632. The gas storage tank 620 has a high-pressure gas input port 621 and a first high-pressure gas output port 622 (i.e., the first high-pressure gas output port 622 of the gas generating mechanism 600). The second high-pressure gas output port 632 of the booster pump 630 is connected to the high-pressure gas input port 621 of the gas storage tank 620 through a pipeline (not shown in the figure). The first high-pressure gas output port 622 of the gas storage tank 620 is connected to the high-pressure nozzle 51 through a pipeline. 1 is connected; the booster pump 630 has an air pressure setting valve with a setting range of 1.5Mpa to 3Mpa. The compressed gas input port 631 of the booster pump 630 is connected to conventional compressed gas, and the conventional compressed gas is pressurized to form high-pressure gas according to the set compression value. The high-pressure gas is sequentially input into the gas storage tank 620 through the second high-pressure gas output port 632, the pipeline and the high-pressure gas input port 621 to be temporarily stored in the gas storage tank 620. When needed, the high-pressure gas acts on the high-pressure nozzle 511 through the first high-pressure gas output port 622 and the pipeline to clean foreign matter in the blind hole 121 of the product 100.

[0064] Please refer to Figures 9 to 11When the present invention is in use, first, all mechanisms and components are reset to their initial positions. At this time, the movable shaft 532 of the driver 531 is in a retracted state, and the blowing component 510 and the lifting component 520 are both located below the workbench 300 to avoid damage to the appearance of the product 100 due to contact with the high-pressure nozzle when the product 100 is placed; then, the product 100 is placed on the fixing mechanism 400. When placed, the product 100 is positioned by the positioning portion of the first positioning component 410 and the inner periphery of the frame of the product 100, and the positioning pin 424 of the second positioning component 420 and the positioning hole 131 on the reinforcing rib 130. The bottom of the frame of the product 100 is supported on the horizontal plane of the contoured support surface and the outer periphery of the frame of the product 100 is flexibly squeezed in the vertical plane of the contoured support surface to achieve the fixation of the product 100. and support; then, the movable shaft 532 of the control driver 531 is extended to push the movable plate 521 to drive the lifting assembly 520 and the blowing assembly 510 to move upward as a whole (to below the product 100), so that the high-pressure nozzle is opposite to the blind hole 121 on the product 100; then, the booster pump 630 is set to an appropriate range, and the valve of the first high-pressure gas output port 622 of the gas tank 620 is opened (not shown in the figure), so that the high-pressure gas of the gas tank 620 is delivered to the high-pressure nozzle 511 to clean the foreign matter in the blind hole 121 and then close the valve of the first high-pressure gas output port 622; finally, the movable shaft 532 of the control driver 531 is retracted to drive the movable plate 521, the lifting assembly 520 and the blowing assembly 510 to return to the initial position as a whole, and the product 100 is removed for the next cycle.

[0065] The foreign body cleaning device of the present invention, by providing a blowing mechanism with multiple high-pressure nozzles, can simultaneously supply high-pressure gas to tiny spaces such as holes and slots on the structural components of the electronic product 100. This uses the strong impact force of the high-pressure gas to deeply and thoroughly remove stubborn foreign matter such as dust, metal debris, and lubricant residue from the holes and slots. This effectively solves the problems of incomplete cleaning and low cleaning efficiency existing in traditional air gun cleaning methods. It also avoids the risk of missed cleaning or damage to the product 100 due to improper manual operation. At the same time, because the high-pressure nozzle 511 can flexibly align with threaded holes at different positions and angles, the adaptability and flexibility of the device are enhanced. Furthermore, the product 100 is fixed by a flexible extrusion fit with the limit block 431, which can prevent the appearance of the product 100 from being damaged by the additional structural fixing. At the same time, when fixing, the product 100 only needs to be squeezed into the space defined by the limit block 431, which is efficient and fast, and can further improve the cleaning efficiency.

Claims

1. A foreign matter cleaning device, characterized in that: include: base plate; A workbench, the workbench is supported on the bottom plate and has a clearance channel formed therethrough; A fixing mechanism, the fixing mechanism being arranged on the workbench and corresponding to the clearance channel to position the product; The cleaning mechanism includes a blowing assembly having a plurality of high-pressure nozzles, a lifting assembly supporting the blowing assembly, and a driving assembly driving the blowing assembly to move axially along a clearance channel so that the high-pressure nozzles enter and exit the clearance channel, wherein when the high-pressure nozzles enter the clearance channel, the high-pressure nozzles correspond to the holes and grooves on the product; A gas generating mechanism, wherein a first high-pressure gas output port of the gas generating mechanism is connected to the high-pressure nozzle through a pipeline to provide high-pressure gas.

2. The foreign matter cleaning device according to claim 1, characterized in that: The fixing mechanism includes a first positioning component and a limiting component arranged on the upper surface of the workbench and corresponding to the periphery of the make way channel, and a second positioning component arranged across the make way channel and supported on the upper surface of the workbench. The limiting component supports the product in a contour and fixes and limits the product. The first positioning component and the second positioning component cooperate to achieve the positioning of the product.

3. The foreign matter cleaning device according to claim 2, characterized in that: The clearance passage has a first side and a second side that are opposite to each other, and a third side and a fourth side that are opposite to each other. The upper surface of the workbench is recessed with a first bezel that is in communication with the first side of the clearance passage, and a second bezel that is in communication with the second side of the clearance passage. The first positioning assembly includes a first positioning block embedded in the first embedding groove and a second positioning block embedded in the second embedding groove, the first positioning block having a first positioning portion protruding upward and cooperating with the inner periphery of the product, and the second positioning block having a second positioning portion protruding upward and cooperating with the inner periphery of the product; The second positioning assembly includes a first insert arranged on the upper surface of the workbench and corresponding to the third side of the make way channel, a second insert corresponding to the fourth side of the make way channel, and a connecting cross plate spanning above the make way channel and embedded between the first insert and the second insert, and a positioning pin protruding from the upper surface of the connecting cross plate for cooperating with the product positioning.

4. The foreign matter cleaning device according to claim 3, characterized in that: The limiting assembly includes a plurality of limiting blocks arranged on the upper surface of the workbench and spaced around the periphery of the make way channel. A contoured limiting surface that is contoured to the corresponding position of the product is formed on the inner side of the limiting block. The product is contoured and supported on each contoured limiting surface to achieve limitation. The limiting block is made of a flexible material, and the contoured limiting surface is interference fit with the product, so that the product is flexibly fixed when contoured and supported on each contoured limiting surface.

5. The foreign matter cleaning device according to claim 1, characterized in that: The blowing assembly includes a nozzle fixing plate arranged on the jacking assembly, and a nozzle mounting hole corresponding to the high-pressure nozzle is provided through the nozzle fixing plate. The high-pressure nozzle is screwed into the nozzle mounting hole. The top end of the high-pressure nozzle passes through the nozzle mounting hole and is opposite to the hole and groove of the product. The bottom end of the high-pressure nozzle is connected to the gas generating mechanism through a pipeline.

6. The foreign matter cleaning device according to claim 5, characterized in that: The workbench is supported above the base plate by support columns at intervals, so that a lifting space is formed between the workbench and the base plate; The jacking assembly includes a movable plate connected to the driving assembly and moving up and down in the jacking space, and a pad, a guide unit and a floating limit unit arranged on the movable plate; the nozzle fixing plate is supported on the pad, and the pad is fixed to the movable plate by a pin, one end of the guide unit is connected to the lower surface of the workbench, and the other end is passed through the movable plate to guide the movable plate, one end of the floating limit unit is connected to the movable plate, and the other end is floatingly supported on the lower surface of the workbench when the jacking assembly approaches the workbench.

7. The foreign matter cleaning device according to claim 6, characterized in that: The movable plate is penetrated by a plurality of guide holes, and the guide unit includes a guide column fixed on the lower surface of the workbench and a guide sleeve slidably sleeved on the outer periphery of the guide column, the guide column is passed through the guide hole and the guide sleeve is fixed to the guide hole.

8. The foreign matter cleaning device according to claim 6, characterized in that: The floating limit unit includes a plurality of height limit blocks fixed on the movable plate and a plurality of floating support pins arranged on the movable plate. The upper end of the floating support pin has an elastic contact portion which is horizontally higher than the upper surface of the height limit block. When the jacking assembly moves upward and approaches the lower surface of the workbench, the floating support pin contacts the lower surface of the workbench, and the elastic contact portion retracts to buffer the contact force between the jacking assembly and the workbench.

9. The foreign matter cleaning device according to claim 6, characterized in that: The driving assembly includes a driver mounted on the base plate and a connecting block arranged on the movable shaft of the driver. The connecting block is fixedly connected to the movable plate. The movable shaft of the driver moves linearly along the moving direction of the lifting assembly, so that the lifting assembly carries the blowing assembly in and out of the clearance channel to approach or move away from the product.

10. The foreign matter cleaning device according to claim 1, characterized in that: The gas generating mechanism includes a bracket, a gas tank fixed on the bracket, and a booster pump connected to the gas tank; the gas tank has a high-pressure gas input port and a first high-pressure gas output port, the high-pressure gas input port is connected to the high-pressure gas, the first high-pressure gas output port is connected to the high-pressure nozzle through a pipeline, and the booster pump has a compressed gas input port to receive conventional compressed gas and pressurize the conventional compressed gas and input it into the gas tank.

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