Chopping knife cleaning device

Abstract

The utility model discloses a chopper cleaning device which comprises ultrasonic cleaning equipment, a cleaning tank, a deionized water storage tank and a chopper fixing frame. The cleaning tank is arranged on the ultrasonic cleaning equipment, the cleaning tank is communicated with the deionized water storage tank, and the chopper fixing frame is arranged in the cleaning tank. The cleaver cleaning device is good in automatic ultrasonic cleaning effect, the cleaver fixing frame can be suitable for a plurality of cleavers, the cleaver cleaning device can be used for automatically executing sodium hydroxide (NaOH) solution cleaning and subsequent deionized water cleaning, the cleaning efficiency and quality are improved, manual operation is reduced, and the consistency and safety of the cleaning process are ensured. The cleaver fixing frame is matched with the cleaver holder and the fixing piece, so that when a plurality of cleavers are cleaned at the same time, mutual collision among the cleavers and contact damage between the cleavers and a cleaning container are effectively avoided, the service life of the cleavers is prolonged, and the bonding quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of cleaver cleaning technology, specifically to a cleaver cleaning device. Background Technology

[0002] In the wire bonding process of power semiconductor modules, the wedge is a critical tool, and its cutting edge is prone to accumulating wire residue, which can lead to severe deformation of the solder joint. Therefore, regularly removing wire residue from the wedge is crucial for improving bonding quality. However, existing cleaning practices present several problems. First, during batch cleaning of wedges, the bulk nature of the wedges poses a risk of loss. Second, contact between wedges can cause damage, especially when using ultrasonic cleaning; it is also necessary to avoid violent collisions between the wedges and the cleaning equipment to prevent damage. Furthermore, traditional multi-step static immersion cleaning processes are time-consuming and labor-intensive.

[0003] Therefore, there is an urgent need to design a new knife cleaning device. Utility Model Content

[0004] In view of the above-mentioned problems existing in the prior art, the aim is to provide a cleaver cleaning device.

[0005] The specific technical solution is as follows:

[0006] A blade cleaning device mainly includes: ultrasonic cleaning equipment, a cleaning tank, a deionized water storage tank, and a blade fixing frame;

[0007] The cleaning tank is installed on the ultrasonic cleaning equipment, and the cleaning tank is connected to the deionized water storage tank. The cleaver fixing bracket is installed inside the cleaning tank.

[0008] The aforementioned blade cleaning device also has the feature that the blade fixing frame includes a blade holder;

[0009] The chopping knife holder is placed in the cleaning tank. The chopping knife holder includes a cylindrical outer shell and two perforated circular plates disposed inside the cylindrical outer shell. The perforated circular plates are provided with a plurality of through holes for inserting chopping knives.

[0010] The aforementioned knife cleaning device also has the following feature: the knife fixing frame further includes a first fixing member, which is mounted on the cylindrical outer shell.

[0011] The aforementioned cleaver cleaning device also has the feature that the outer side of the cylindrical outer shell is provided with several openings.

[0012] The aforementioned knife-cleaning device also has the following feature: the first fixing member is a perforated plate.

[0013] The aforementioned cleaver cleaning device also features the following characteristic: the cleaver fixing frame further includes a second fixing member, which is a truncated cone, and the diameter of the truncated cone is larger than the diameter of the through hole.

[0014] The aforementioned knife cleaning device also features that the cleaning tank is provided with a water inlet and a water outlet, and the water inlet is connected to the deionized water storage tank.

[0015] The aforementioned knife cleaning device also features a water pump installed in the deionized water storage tank.

[0016] The aforementioned knife-cleaning device also has the following features: the ultrasonic cleaning equipment includes a body, buttons, a circuit controller, and an operation screen; the buttons and the operation screen are disposed on the body; the circuit controller is disposed inside the body; and the cleaning tank is disposed on the body.

[0017] The positive effects of the above technical solution are:

[0018] This invention provides a cleaver cleaning device with excellent automated ultrasonic cleaning effect. The cleaver holder can accommodate multiple cleavers and can be used to automatically perform sodium hydroxide (NaOH) solution cleaning and subsequent deionized water cleaning, improving cleaning efficiency and quality, reducing manual operation, and ensuring the consistency and safety of the cleaning process. The cleaver holder, in conjunction with the cleaver frame and fixing components, effectively avoids collisions between cleavers and contact damage with the cleaning container when cleaning multiple cleavers simultaneously, thereby extending the service life of the cleavers and improving bonding quality. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of a cleaver cleaning device provided by this utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the cleaver fixing bracket provided by this utility model;

[0021] Figure 3 A schematic diagram of the structure of the cleaver holder provided by this utility model;

[0022] Figure 4 A schematic diagram of the structure of the second fastener provided by this utility model.

[0023] In the attached diagram: 1. Ultrasonic cleaning equipment; 11. Machine body; 12. Control panel; 2. Cleaning tank; 3. Deionized water storage tank; 4. Cleaver fixing frame; 41. First fixing component; 42. Second fixing component; 43. Cleaver frame; 431. Cylindrical outer shell; 4311. Opening; 4321. First perforated circular plate; 4322. Second perforated circular plate; 6. Inlet valve; 7. Outlet valve; 10. Cleaver. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages). In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] Please see Figures 1 to 4 This utility model discloses a knife cleaning device, characterized in that it includes: an ultrasonic cleaning device 1, a cleaning tank 2, a deionized water storage tank 3 and a knife fixing frame 4;

[0028] The cleaning tank 2 is installed on the ultrasonic cleaning equipment 1. The cleaning tank 2 is connected to the deionized water storage tank 3. The cleaver fixing bracket 4 is installed inside the cleaning tank 2.

[0029] Optionally, the ultrasonic cleaning device 1 includes a body 11, buttons, a circuit controller, and an operation panel 12. The buttons and operation panel 12 are mounted on the body 11, the circuit controller is located inside the body 11, and the cleaning tank 2 is mounted on the body 11. The working principle of the ultrasonic cleaning device 1 is to convert the acoustic energy of the high-power ultrasonic frequency source into mechanical vibration through a transducer. The mechanical vibration is radiated to the sodium hydroxide cleaning solution through the cleaning tank 2. Under this vibration, the bubbles in the solution periodically expand and contract, producing a so-called cavitation effect. This effect can disrupt the adsorption between aluminum shavings and the surface of the cutting tool, while promoting the chemical reaction between sodium hydroxide and aluminum shavings, thereby accelerating the cleaning process.

[0030] Optionally, the cleaver holder 4 includes a cleaver holder 43;

[0031] The chopping knife holder 43 is placed in the cleaning tank 2. The chopping knife holder 43 includes a cylindrical outer shell 431 and two perforated circular plates disposed inside the cylindrical outer shell 431. The perforated circular plates 431 are provided with a plurality of through holes into which the chopping knife 10 can be inserted.

[0032] Two perforated circular plates are arranged parallel to each other. These two perforated circular plates are designated as a first perforated circular plate 4321 and a second perforated circular plate 4322. The first perforated circular plate 4321 has a first through hole, and the second perforated circular plate 4322 has a second through hole. The first and second through holes correspond to each other. The chopping blade 10 can be inserted into and protrude from the first perforated circular plate 4321 and the second perforated circular plate 4322. The chopping blade holder 43 has multiple through holes to accommodate multiple chopping blades 10. Its cylindrical shape helps to mitigate the impact from collisions with the ultrasonic cleaning equipment 1.

[0033] The cylindrical outer casing 431 has several openings 4311 on its outer surface, allowing the operator to observe the internal condition without opening the equipment. Optionally, the corners of the cleaning tank 2 are rounded and can be made of corrosion-resistant or transparent materials, allowing the operator to observe the internal condition without opening the equipment.

[0034] The cleaver fixing bracket 4 also includes a first fixing member 41, which is mounted on the cylindrical outer shell 431.

[0035] The first fixing member 41 is a perforated plate. Optionally, the first fixing member 41 is a perforated plate with steps, and a stepped ring is provided inside the cylindrical outer shell 431. The larger diameter end of the perforated plate is mounted on the end face of one end of the cylindrical outer shell 431 of the blade holder 43, and the smaller diameter end of the perforated plate is engaged with the stepped ring to achieve the engagement of the first fixing member 41. In other words, the first fixing member 41 is similar to a top cover, embedded in the groove above the cylindrical outer shell 431.

[0036] Furthermore, to achieve the mounting of the chopping blade 10, the chopping blade fixing bracket 4 also includes a second fixing member 42. The second fixing member 42 is a truncated cone, which is fitted onto the chopping blade 10. The diameter of the truncated cone is larger than the diameter of the through hole. The truncated cone has a mounting hole for mounting the chopping blade 10, and the mounting hole is adapted to the diameter of the chopping blade 10. The second fixing member 42 is made of rubber, and the chopping blade 10 has a large friction force after being inserted into the mounting hole, which can fit the second fixing member 42 into the required position of the chopping blade 10. The diameters of both ends of the second fixing member 42 are larger than the diameters of the first and second through holes. When the chopping knife 10 is inserted downwards, the second fixing member 42 is stuck at the first through hole and cannot fall down, or it is stuck at the second through hole and cannot fall down. Both installation methods can lock the chopping knife 10 (because the outer side of the cylindrical shell 431 has several openings 4311, the chopping knife 10 can enter the cylindrical shell 431 from these openings), thus achieving the locking of the chopping knife 10. One chopping knife 10 is matched with one second fixing member 42 to achieve the locking of the chopping knife 10. The number of second fixing members 42 is relatively large, matching the number of chopping knives 10.

[0037] Multiple chopping blades 10 are secured in the chopping blade holder 43 by the cooperation of the first fixing member 41 and the second fixing member 42. The first fixing member 41 and the second fixing member 42 are made of corrosion-resistant and highly flexible rubber, such as fluororubber, to ensure durability for long-term use in the cleaning tank solution.

[0038] Specifically, the cleaning tank 2 is equipped with an inlet and an outlet, with the inlet connected to the deionized water storage tank 3. The inlet and outlet are located on opposite sides of the cleaning tank 2, horizontally close to the bottom, to ensure effective replacement of the cleaning solution. The inlet is equipped with an inlet valve 6, and the outlet with an outlet valve 7, both connected to the deionized water storage tank 3 via a pipe 8. A water pump is installed inside the deionized water storage tank 3, positioned at the connection between the storage tank and the cleaning tank 2. This pump draws distilled water from the storage tank 3 into the cleaning tank 2 for cleaning or rinsing. The outlet valve 7 is connected to a waste liquid container. Based on the usage of the cleaning solution and the capacity of the waste liquid collection container, the cleaning cycle of the waste liquid collection container can be estimated and set to ensure the continuity of the cleaning process and the efficient operation of the cleaning equipment. The operation panel 12, connected to a built-in circuit controller, can precisely control the start and stop of the water pump, thereby precisely controlling the water flow.

[0039] The specific cleaning steps of the cleaver cleaning device provided by this utility model are as follows:

[0040] 1. Insert the multiple chopping blades 10 to be cleaned from the bottom up into the through hole of the chopping blade holder 43, and fix the chopping blades 10 on the chopping blade holder 43 in the cleaning tank 2 by the first fixing member 41 and the second fixing member 42.

[0041] 2. Add the prepared NaOH cleaning solution to the cleaning tank 2 until the liquid level reaches the predetermined level. Then, the operator selects the timer function through the operation screen 12 to set the time for the NaOH ultrasonic cleaning and subsequent deionized water cleaning processes. The time parameter for NaOH ultrasonic cleaning is preset, preferably within the range of 10 to 20 minutes, to ensure that the residue on the surface of the cleaver 10 is effectively removed.

[0042] 3. The control panel 12 stops the ultrasonic generator to end the ultrasonic cleaning process and activates the outlet valve 7 to discharge the NaOH cleaning solution from the cleaning tank 2. When the NaOH cleaning solution is nearly completely drained, the control panel 12 automatically activates the inlet valve 6 to begin introducing deionized water from the deionized water storage tank 3. At this time, the outlet valve 7 remains open to ensure that the NaOH solution in the cleaning tank 2 is fully replaced and discharged. After 30 seconds, the control panel 12 closes the outlet valve 7. When a suitable amount of deionized water has flowed in, the control panel 12 automatically switches to the ultrasonic water washing stage to continue ultrasonic cleaning. The cleaning time for this stage is set to 10 to 20 minutes to ensure that the residue on the surface of the cleaver 10 is thoroughly removed.

[0043] 4. After the distilled water wash is completed, the equipment automatically opens the outlet valve 7 to begin draining the deionized water from the cleaning tank 2, removing any tiny residues that may have formed during the ultrasonic water washing process. After 30 seconds, the inlet valve 6 reopens, while the outlet valve 7 remains open, allowing for a 30-second rinse to prepare for the final rinsing step. This simultaneous draining and inlet operation helps improve the rinsing effect, ensuring that residues on the inner wall of the cleaning tank 2 and the surface of the cutting blade 10 are thoroughly removed.

[0044] This invention provides a cleaver cleaning device with excellent automated ultrasonic cleaning effect. The cleaver fixing bracket 4 can accommodate multiple cleavers 10 and can automatically perform sodium hydroxide (NaOH) solution cleaning and subsequent deionized water cleaning. Ultrasonic cleaning can break the adsorption between aluminum shavings and the cleaver surface, thereby accelerating the reaction between NaOH and aluminum shavings, improving cleaning efficiency and quality, reducing manual operation, and ensuring the consistency and safety of the cleaning process. The cleaver fixing bracket 4, through the cleaver holder 43, the first fixing member 41, and the second fixing member 42, can effectively avoid mutual collisions between cleavers 10 and contact damage between cleavers 10 and the cleaning tank 2 when cleaning multiple cleavers 10 simultaneously, thereby extending the service life of cleavers 10 and improving bonding quality.

[0045] Through a two-step water washing process, this device can more effectively remove residual NaOH cleaning solution from the cleaver 10, reducing the potential adverse effects of cleaning solution residue on subsequent bonding processes. The automated timed ultrasonic equipment in this device reduces manual operation. By precisely controlling the cleaning time and ultrasonic intensity, it ensures that each cleaver 10 achieves a consistent cleaning effect, solving the problems of incomplete removal of residue from the blade edges or excessive cleaning solution residue affecting bonding quality caused by operator skill differences or human error in traditional manual cleaning. The application of the automated control system not only improves cleaning efficiency but also ensures the repeatability and reliability of the cleaning process, meeting the stringent requirements for cleaning precision in the semiconductor device packaging field.

[0046] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A cleaver cleaning device, characterized in that, include: Ultrasonic cleaning equipment, cleaning tank, deionized water storage tank and blade fixing frame; The cleaning tank is installed on the ultrasonic cleaning equipment, and the cleaning tank is connected to the deionized water storage tank. The cleaver fixing bracket is installed inside the cleaning tank.

2. The cleaver cleaning device according to claim 1, characterized in that, The cleaver fixing bracket includes a cleaver holder; The chopping knife holder is placed in the cleaning tank. The chopping knife holder includes a cylindrical outer shell and two perforated circular plates disposed inside the cylindrical outer shell. The perforated circular plates are provided with a plurality of through holes for inserting chopping knives.

3. The cleaver cleaning device according to claim 2, characterized in that, The cleaver fixing bracket also includes a first fixing member, which is mounted on the cylindrical outer shell.

4. The cleaver cleaning device according to claim 3, characterized in that, The outer surface of the cylindrical shell has several openings.

5. The cleaver cleaning device according to claim 3, characterized in that, The first fixing component is a perforated plate.

6. The cleaver cleaning device according to claim 3, characterized in that, The chopping knife fixing bracket also includes a second fixing member, which is a truncated cone. The truncated cone is sleeved on the chopping knife, and the diameter of the truncated cone is larger than the diameter of the through hole.

7. The cleaver cleaning device according to any one of claims 1 to 6, characterized in that, The cleaning tank is equipped with an inlet and an outlet, and the inlet is connected to the deionized water storage tank.

8. The cleaver cleaning device according to claim 7, characterized in that, A water pump is installed in the deionized water storage tank.

9. The cleaver cleaning device according to any one of claims 1 to 6, characterized in that, The ultrasonic cleaning equipment includes a body, buttons, a circuit controller, and an operation screen. The buttons and the operation screen are located on the body, the circuit controller is located inside the body, and the cleaning tank is located on the body.

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