Cleaning machine for electronic component manufacturing

Abstract

The utility model discloses a cleaning machine for manufacturing electronic components, which comprises a cleaning box, a conveying roller is arranged at the top end in the cleaning box, a conveying mesh belt is sleeved on the conveying roller, a first motor in transmission connection with the conveying roller is arranged on the side wall of the cleaning box, and a vibration knocking component is arranged between the upper belt surface and the lower belt surface of the conveying mesh belt. A protective cover is arranged on the cleaning box, a spraying pipe is arranged at the top end of the interior of the protective cover, a liquid supply assembly is arranged in cooperation with the spraying pipe, a plurality of spraying heads are evenly arranged on the spraying pipe, a limiting net plate is arranged below the spraying pipe in cooperation with the conveying net belt, and an electric push rod is arranged between the limiting net plate and the top end of the interior of the protective cover. According to the electronic component cleaning device, the protection performance of electronic components during cleaning can be improved, extrusion damage is avoided, meanwhile, the cleaning efficiency is improved, and cleaning impurities can be conveniently treated.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic component cleaning, and more specifically, it relates to a cleaning machine for manufacturing electronic components. Background Art

[0002] Electronic components are basic components in electronic devices, which are responsible for realizing the functions of electronic circuits; they mainly include active components, passive components, hybrid components and electromechanical components, such as: transistors, comparators, optoelectronic devices, resistors, capacitors, filters, oscillators, inductors, etc.

[0003] During the manufacturing process of electronic components, cleaning is required. In the prior art, when cleaning electronic components, all the electronic components need to be placed in a cleaning mesh cylinder, and then the cleaning mesh cylinder carrying the electronic components is placed in a cleaning box for cleaning. During the cleaning process, a brush is also driven to rotate by a rotating rod to achieve the cleaning of electronic components. For example, an electronic component cleaning device disclosed in a Chinese patent document with the publication number CN219817179U;

[0004] However, in the above method, all the electronic components will be stacked and squeezed together during cleaning. During the cleaning process, they are prone to mutual extrusion and collision, resulting in mutual wear and damage between the electronic components, affecting the cleaning effect of the electronic components;

[0005] In addition, in the prior art, after the electronic components are cleaned, the cleaning mesh cylinder needs to be taken out of the cleaning box, and the electronic components need to be taken out of the cleaning mesh cylinder, and the operation is not convenient;

[0006] Moreover, in the prior art, when the electrical components are soaked in the cleaning box for cleaning, the impurities washed off will be suspended in the cleaning liquid in the cleaning box. During the process of taking out the cleaning mesh cylinder from the cleaning liquid, some of the impurities in the cleaning liquid will also adhere to the surface of the cleaning mesh cylinder and the outer-layer electronic components, affecting the cleaning effect of the electronic components. Summary of the Utility Model

[0007] (1) Technical Problems to be Solved

[0008] In view of the problems existing in the prior art, the utility model provides a cleaning machine for manufacturing electronic components to solve the technical problems mentioned in the background art that when the cleaning machine for manufacturing electronic components in the prior art realizes the cleaning of electronic components, the electronic components are stacked together, prone to damage, and the unloading is not convenient. At the same time, the cleaning effect is poor.

[0009] (2) Technical Solutions

[0010] To achieve the above object, the utility model provides the following technical solutions:

[0011] A cleaning machine for manufacturing electronic components comprises a cleaning box, wherein a conveyor roller is provided at the inner top end of the cleaning box, a conveyor mesh belt is sleeved on the conveyor roller, a first motor connected to the conveyor roller is provided on the side wall of the cleaning box, a vibration and knocking assembly is provided between the upper and lower belt surfaces of the conveyor mesh belt, a protective cover is provided on the cleaning box, a spray pipe is provided at the inner top end of the protective cover, and a liquid supply assembly is provided in conjunction with the spray pipe, a plurality of spray heads are evenly arranged on the spray pipe, a limiting mesh plate is provided below the spray pipe in conjunction with the conveyor mesh belt, and an electric push rod is provided between the limiting mesh plate and the inner top end of the protective cover.

[0012] The utility model is further configured such that the vibration knocking assembly includes a plurality of crankshafts rotatably mounted inside a cleaning box through bearings, a knocking roller is rotatably mounted on the connecting rod journal of each crankshaft through bearings, and a synchronous drive structure is provided on the outer side of the cleaning box in conjunction with the crankshaft to realize vibration knocking of the conveyor belt.

[0013] The present invention is further configured such that the synchronous drive structure includes a second motor, the second motor is transmission-connected to one of the crankshafts, and a synchronous belt assembly is provided between two adjacent crankshafts to realize the rotational drive of the crankshafts.

[0014] The utility model is further configured such that the liquid supply assembly includes a liquid supply pipe, both ends of the liquid supply pipe are respectively connected to the cleaning box and the spray pipe, and a water pump is provided on the liquid supply pipe to realize liquid supply to the spray pipe.

[0015] The utility model is further configured such that an arc-shaped filter screen is provided inside the cleaning box and below the conveyor belt, a slag discharge pipe is provided at the tail end of the arc-shaped filter screen, and a filter residue cleaning structure is provided coaxially above the arc-shaped filter screen to intercept impurities in the cleaning box.

[0016] The utility model is further configured such that the filter residue cleaning structure includes a cleaning shaft, which is coaxially arranged above the arc-shaped filter screen and is installed on the side wall of the cleaning box through a bearing; a third motor connected to the cleaning shaft is provided on the side wall of the cleaning box; a spiral conveying blade is provided on the cleaning shaft to cooperate with the arc-shaped filter screen to realize the movement and conveying of impurities on the arc-shaped filter screen, thereby realizing the cleaning of impurities.

[0017] The utility model is further configured such that two groups of scrapers are symmetrically arranged on the spiral conveying blades, and the peripheries of the scrapers are in contact with the surface of the arc-shaped filter screen, thereby improving the cleaning effect of impurities above the arc-shaped filter screen.

[0018] The utility model is further configured such that an observation window is provided on the protective cover to facilitate observation of the cleaning process.

[0019] (3) Beneficial effects

[0020] Compared with the prior art, the present invention provides a cleaning machine for electronic component manufacturing, which has the following beneficial effects:

[0021] 1. The utility model includes a cleaning box, wherein a conveying roller is provided at the internal top of the cleaning box, a conveying mesh belt is provided on the conveying roller, a first motor is provided on the side wall of the cleaning box and is transmission-connected to the conveying roller, and a vibration knocking assembly is provided between the upper and lower belt surfaces of the conveying mesh belt. During the cleaning process of electronic components, the utility model can place the electronic components to be cleaned on the conveying mesh belt, and the first motor controls the rotation of the conveying roller to control the conveying mesh belt to convey the electronic components, thereby realizing water spray cleaning during the conveying process. In this way, the electronic components can be directly loaded at one end of the conveying mesh belt, and the electronic components can be unloaded at the other end after cleaning. During the process, the upper belt surface of the conveying mesh belt can be knocked by the vibration knocking assembly, and the electronic components located on the upper belt surface can be automatically turned over, thereby improving the smoothness and fullness of the electronic components during cleaning and improving the cleaning efficiency of electrical components.

[0022] 2. At the same time, during the cleaning process, the electronic components are evenly laid on the conveyor belt. This can avoid the electronic components from being stacked and squeezed against each other, causing damage, and improve the protection of the electronic components during the cleaning process.

[0023] 3. At the same time, this unidirectional flushing method can directly flush away impurities on the surface of electronic components, reduce the immersion of electronic components during cleaning, and thus avoid the situation where impurities adhere to the surface again when the electronic components are taken out of the cleaning box, thereby improving the cleaning efficiency and cleaning effect of the electronic components.

[0024] 4. The utility model is provided with a protective cover on the cleaning box, and a spray pipe is provided at the inner top of the protective cover, and a liquid supply assembly is provided in conjunction with the spray pipe. A plurality of spray heads are evenly provided on the spray pipe, wherein the liquid supply assembly includes a liquid supply pipe, and both ends of the liquid supply pipe are respectively connected to the cleaning box and the spray pipe. A water pump is provided on the liquid supply pipe. When the water pump is started, the copper tube water pump can extract the cleaning liquid in the cleaning box and transport it to the spray pipe through the liquid supply pipe. The cleaning liquid is evenly sprayed out through the nozzles on the spray pipe, thereby achieving flushing and cleaning of the surface of the electronic components and improving the uniformity and sufficiency of the electronic components during cleaning.

[0025] 5. The utility model is provided with a limiting mesh plate under the spray pipe in cooperation with a conveying mesh belt. An electric push rod is arranged between the limiting mesh plate and the inner top end of the protective cover. During the conveying process of the electronic components, the electric push rod is controlled to drive the limiting mesh plate to move, so that the limiting mesh plate is located above the conveying mesh belt, thereby realizing the limiting of the electronic components on the conveying mesh belt during the conveying process, and avoiding the situation that the electronic components splash outwards during the process of knocking the conveying mesh belt, improving the stability of the electronic components during the conveying process. Among them, the electronic components do not contact the limiting mesh plate during the stable conveying process, ensuring the smooth conveying of the electronic components. Description of the Drawings

[0026] Figure 1 is a schematic diagram of the overall structure of a cleaning machine for manufacturing electronic components in the present utility model Figure 1 ;

[0027] Figure 2 is a schematic diagram of the overall structure of a cleaning machine for manufacturing electronic components in the present utility model Figure 2 ;

[0028] Figure 3 is a schematic cross-sectional view of the overall structure of the present utility model;

[0029] Figure 4 is a schematic diagram of the overall structure of the vibration knocking assembly in the present utility model;

[0030] Figure 5 is a schematic diagram of the connection structure between the arc-shaped filter screen, the cleaning shaft and the spiral conveying blade in the present utility model.

[0031] In the figure: 1. Cleaning box; 2. Conveying roller; 3. Conveying mesh belt; 4. First motor; 5. Vibration knocking assembly; 6. Protective cover; 7. Spray pipe; 8. Spray head; 9. Limiting mesh plate; 10. Electric push rod; 11. Crankshaft; 12. Knocking roller; 13. Second motor; 14. Synchronous belt assembly; 15. Liquid supply pipe; 16. Water pump; 17. Arc-shaped filter screen; 18. Slag discharge pipe; 19. Cleaning shaft; 20. Third motor; 21. Spiral conveying blade; 22. Scraper; 23. Observation window. Detailed Embodiment

[0032] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0033] It should be pointed out that unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs.

[0034] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0035] See also Figures 1-5 The top of the cleaning box 1 is provided with a conveying roller 2, and the conveying roller 2 is provided with a conveying mesh belt 3. The side wall of the cleaning box 1 is provided with a first motor 4 connected to the conveying roller 2. A vibration knocking assembly 5 is provided between the upper and lower belt surfaces of the conveying mesh belt 3. During the cleaning of electronic components, the electronic components to be cleaned can be placed on the conveying mesh belt 3, and the rotation of the conveying roller 2 is controlled by the first motor 4 to control the conveying mesh belt 3 to transport the electronic components, thereby realizing water spray cleaning during the transportation process. In this way, the electronic components can be directly loaded at one end of the conveying mesh belt 3, and the electronic components can be unloaded at the other end after cleaning. During the process, the upper belt surface of the conveying mesh belt 3 can also be knocked by the vibration knocking assembly 5, so that the electronic components on the upper belt surface can be automatically turned over, thereby improving the smoothness and sufficiency of the electronic components during cleaning and improving the cleaning efficiency of electrical components.

[0036] At the same time, during the cleaning process, the electronic components are evenly laid on the conveyor belt 3, which can avoid the electronic components from being stacked and squeezed against each other, causing damage, and improve the protection of the electronic components during the cleaning process;

[0037] At the same time, this unidirectional flushing method can directly flush away impurities on the surface of electronic components, reduce the immersion of electronic components during cleaning, and thus avoid the situation where impurities adhere to the surface again when the electronic components are taken out of the cleaning box 1, thereby improving the cleaning efficiency and cleaning effect of the electronic components.

[0038] The utility model is provided with a protective cover 6 on the cleaning box 1, and a spray pipe 7 is provided at the internal top end of the protective cover 6, and a liquid supply assembly is provided in conjunction with the spray pipe 7, and a plurality of spray heads 8 are evenly provided on the spray pipe 7, wherein the liquid supply assembly includes a liquid supply pipe 15, and the two ends of the liquid supply pipe 15 are respectively connected to the cleaning box 1 and the spray pipe 7, and a water pump 16 is provided on the liquid supply pipe 15. When the water pump 16 is started, the cleaning liquid in the cleaning box 1 can be pumped out by the water pump 16, and transported to the spray pipe 7 through the liquid supply pipe 15, and evenly sprayed out through the nozzles on the spray pipe 7, thereby achieving flushing and cleaning of the surface of the electronic components, and improving the uniformity and sufficiency of the electronic components during cleaning.

[0039] The utility model is provided with a limiting mesh plate 9 in cooperation with the conveyor mesh belt 3 below the spray pipe 7, and an electric push rod 10 is provided between the limiting mesh plate 9 and the inner top of the protective cover 6. During the conveying process of the electronic components, the electric push rod 10 is controlled to drive the limiting mesh plate 9 to move so that the limiting mesh plate is located above the conveyor mesh belt 3, thereby realizing the limitation of the electronic components located on the conveyor mesh belt 3 during the conveying process, thereby avoiding the electronic components from splashing outwards when the conveyor mesh belt 3 is struck, and improving the stability of the electronic components during the conveying process. Among them, the electronic components do not contact the limiting mesh plate 9 during the stable conveying process, thereby ensuring the smooth conveying of the electronic components.

[0040] See also Figures 1-5 As an embodiment of the vibration knocking assembly 5: the vibration knocking assembly 5 includes a plurality of crankshafts 11 rotatably mounted inside the cleaning box 1 through bearings, a knocking roller 12 is rotatably mounted on the connecting rod journal of each crankshaft 11 through a bearing, and a synchronous drive structure is provided on the outer side of the cleaning box 1 to cooperate with the crankshaft 11;

[0041] The synchronous drive structure includes a second motor 13 , which is transmission-connected to one of the crankshafts 11 , and a synchronous belt assembly 14 is provided between two adjacent crankshafts 11 .

[0042] Specifically, the second motor 13 is started, and the second motor 13 and the synchronous belt assembly 14 cooperate to control the synchronous rotation of the multiple crankshafts 11. The rotation of the crankshaft 11 can control the movement of the knocking roller 12. When the knocking roller 12 rises and contacts the upper belt surface of the conveyor mesh belt 3, the conveyor mesh belt 3 is squeezed and knocked, thereby vibrating the electronic components conveyed on the conveyor mesh belt 3 and realizing automatic turning over.

[0043] Here, the knock roller 12 is connected to the connecting rod journal of the crankshaft 11 through a bearing, so that the friction between the knock roller 12 and the conveyor belt 3 can be reduced.

[0044] See also Figures 1-5 As an implementation method of the cleaning box 1: an arc-shaped filter screen 17 is provided inside the cleaning box 1 and below the conveyor belt, a slag discharge pipe 18 is provided at the tail end of the arc-shaped filter screen 17, and a filter residue cleaning structure is provided coaxially above the arc-shaped filter screen 17.

[0045] Specifically, the impurities washed off the electronic components will fall downward with the water flow and enter the cleaning box 1, and be intercepted by the arc filter 17 in the cleaning box 1, thereby realizing inward cleaning, automatic separation between the cleaning liquid and impurities, realizing the recycling of the cleaning liquid, and can simultaneously realize the cleaning of impurities. Here, a valve structure can be set at the slag discharge pipe 18 to control the opening and closing of the slag discharge pipe 18.

[0046] See also Figures 1-5 As an implementation method of the filter residue cleaning structure: the filter residue cleaning structure includes a cleaning shaft 19, the cleaning shaft 19 is coaxially arranged above the arc filter 17, and is installed on the side wall of the cleaning box 1 through a bearing, and a third motor 20 connected to the cleaning shaft 19 is provided on the side wall of the cleaning box 1, and a spiral conveying blade 21 is provided on the cleaning shaft 19 to cooperate with the arc filter 17.

[0047] Start the third motor 20, and the cleaning shaft 19 can be controlled by the third motor 20 to drive the spiral conveying blade 21 to rotate. The impurities intercepted on the arc filter 17 can be transported by the spiral conveying blade 21, so that the impurities can be discharged outward through the slag discharge pipe 18, thereby realizing the cleaning of the intercepted impurities, thereby improving the convenience of impurity cleaning.

[0048] See also Figures 1-5 As an implementation of the spiral conveying blade 21 , two groups of scrapers 22 are symmetrically arranged on the spiral conveying blade 21 , and the periphery of the scraper 22 is in contact with the surface of the arc-shaped filter screen 17 .

[0049] Specifically, when the spiral conveying blade 21 rotates, it can drive the scraper 22 to rotate, and the scraper 22 can scrape and clean the surface of the arc filter 17, thereby further improving the cleaning effect of the surface of the arc filter 17, avoiding the accumulation of impurities on the surface of the arc filter 17, and improving the filtering and water permeability effect of the arc filter 17.

[0050] See also Figures 1-5 As an implementation of the protective cover 6 : an observation window 23 is provided on the protective cover 6 .

[0051] Specifically, the arrangement of the observation window 23 facilitates observation of the situation inside the protective cover 6 .

[0052] In summary, when the overall equipment is in use:

[0053] Lay the electronic components evenly on the conveyor belt 3 to avoid damage caused by overlapping and squeezing of the electronic components;

[0054] Start the first motor 4, and control the conveying roller 2 to drive the conveying mesh belt 3 to move, thereby realizing the conveyance of electronic components;

[0055] During this process, the water pump 16 is started, and the cleaning liquid in the cleaning box 1 can be pumped out by the water pump 16 and transported to the spray pipe 7 through the liquid supply pipe 15. The liquid is evenly sprayed out through the nozzle on the spray pipe 7 to rinse and clean the surface of the electronic components.

[0056] During this process, the second motor 13 is started. Through the cooperation of the second motor 13 and the synchronous belt assembly 14, the synchronous rotation of multiple crankshafts 11 can be controlled. Through the rotation of the crankshaft 11, the rotation and movement of the knocking roller 12 can be controlled. When the knocking roller 12 rises and contacts the upper belt surface of the conveyor mesh belt 3, it will squeeze and slide through from the bottom end of the conveyor mesh belt 3, so that the electronic components conveyed on the conveyor mesh belt 3 are vibrated, realizing automatic turning over, thereby improving the cleaning sufficiency of the electronic components during the conveying process;

[0057] Here, the electric push rod 10 can be controlled to drive the limit mesh plate 9 to descend to a suitable position, which is used to limit the rising height of the electronic components during turning over, so as to avoid the situation that the electronic components splash outwards when being knocked and turned over, and improve the cleaning stability of the electronic components;

[0058] After the cleaning is completed, the electronic components can be output outwards to realize unloading;

[0059] In the present utility model, a blowing pipe structure can be arranged in the output direction of the spray pipe 7. The air inlet end of the blowing pipe is connected to an air source, and the air outlet end is provided with a blowing nozzle, which is used to blow-dry the cleaned electronic components. In this way, the cleaning effect of the electronic components can be improved, so as to facilitate the subsequent processing of the electronic components;

[0060] In the present utility model, after the surface of the electronic components is inflated, the impurities on the surface will flow downward with the water flow and enter the cleaning box. They are intercepted by the arc-shaped filter screen 17 in the cleaning box 1, so as to realize the automatic separation between the cleaning inward, the cleaning liquid and the impurities, realize the recycling of the cleaning liquid, and synchronously realize the cleaning of the impurities;

[0061] When the spiral conveyor blade 21 rotates, it can drive the scraper 22 to rotate. Through the scraper 22, the surface of the arc-shaped filter screen 17 can be scraped and cleaned, so as to further improve the cleaning effect of the surface of the arc-shaped filter screen 17, avoid the situation that impurities accumulate on the surface of the arc-shaped filter screen 17, and improve the filtering and water permeability effect of the arc-shaped filter screen 17.

[0062] In all the above-mentioned solutions, for those involving the operation of electrical components, such as motors, fans, electric push rods, etc., without clear description, they are all controlled by the controller. Since the equipment matched by the controller is a common equipment, its control principle and circuit connection belong to the existing well-known and mature technologies, and the electrical connection relationship and the specific circuit structure are not described herein again;

[0063] In all the above-mentioned solutions, for those involving motors, if actually needed, they can be matched with a reducer. The connection structure and working principle between them and the reducer are existing well-known technologies, and the present utility model does not elaborate;

[0064] Among all the solutions mentioned above, those involving the connection between the solar panel and the battery can be combined with essential accessories such as an inverter, a battery charge controller, cables, fuses, and brackets. Their control principles and circuit connections are all well-known and mature technologies in the art, and the electrical connection relationships and specific circuit structures will not be elaborated herein.

[0065] Among all the solutions mentioned above, for the connection between two components, welding, connection with bolts and nuts, connection with bolts or screws, or other well-known connection methods can be selected according to the actual situation, which will not be elaborated one by one herein. For those mentioned above that involve fixed connections, welding is preferably considered. Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cleaning machine for manufacturing electronic components, comprising a cleaning tank (1), characterized in that: At the inner top of the cleaning tank (1), a conveying roller (2) is provided. A conveying mesh belt (3) is sleeved on the conveying roller (2). A first motor (4) drivingly connected to the conveying roller (2) is provided on the side wall of the cleaning tank (1). A vibration knocking assembly (5) is provided between the upper and lower belt surfaces of the conveying mesh belt (3). A protective cover (6) is provided on the cleaning tank (1). At the inner top of the protective cover (6), a spray pipe (7) is provided, and a liquid supply assembly is provided in cooperation with the spray pipe (7). A plurality of spray heads (8) are uniformly provided on the spray pipe (7). A limiting mesh plate (9) is provided below the spray pipe (7) in cooperation with the conveying mesh belt (3). An electric push rod (10) is provided between the limiting mesh plate (9) and the inner top of the protective cover (6).

2. The cleaning machine for manufacturing electronic components according to claim 1, characterized in that: The vibration knocking assembly (5) includes a plurality of groups of crankshafts (11) rotatably installed in the cleaning tank (1) through bearings. At the connecting rod journal of each crankshaft (11), a knocking roller (12) is rotatably installed through a bearing. A synchronous driving structure is provided outside the cleaning tank (1) in cooperation with the crankshaft (11).

3. The cleaning machine for manufacturing electronic components according to claim 2, characterized in that: The synchronous driving structure includes a second motor (13). The second motor (13) is drivingly connected to one of the crankshafts (11). A synchronous belt assembly (14) is provided between two adjacent crankshafts (11).

4. A cleaning machine for manufacturing electronic components according to claim 1, characterized in that: The liquid supply assembly includes a liquid supply pipe (15). The two ends of the liquid supply pipe (15) are respectively connected to the cleaning tank (1) and the spray pipe (7). A water pump (16) is provided on the liquid supply pipe (15).

5. A cleaning machine for manufacturing electronic components according to any one of claims 1-4, characterized in that: An arc-shaped filter screen (17) is provided inside the cleaning tank (1) and below the conveyor belt. A slag discharge pipe (18) is provided at the tail end of the arc-shaped filter screen (17). A filter residue cleaning structure is coaxially provided above the arc-shaped filter screen (17).

6. The cleaning machine for manufacturing electronic components according to claim 5, characterized in that: The filter residue cleaning structure includes a cleaning shaft (19). The cleaning shaft (19) is coaxially provided above the arc-shaped filter screen (17) and is installed on the side wall of the cleaning tank (1) through a bearing. A third motor (20) drivingly connected to the cleaning shaft (19) is provided on the side wall of the cleaning tank (1). A spiral conveying blade (21) is provided on the cleaning shaft (19) in cooperation with the arc-shaped filter screen (17).

7. The cleaning machine for manufacturing electronic components according to claim 6, characterized in that: Two groups of scraping plates (22) are symmetrically provided on the spiral conveying blade (21). The periphery of the scraping plate (22) is attached to the surface of the arc-shaped filter screen (17).

8. The cleaning machine for manufacturing electronic components according to claim 1, wherein: An observation window (23) is provided on the protective cover (6).

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