Convenient mold cleaning mechanism

Abstract

The utility model belongs to the technical field of semiconductor packaging, and particularly relates to a convenient mold cleaning mechanism which comprises a box body, a movable seat capable of horizontally sliding is arranged on the box body, a dry ice spraying assembly and a rotary cleaning assembly are installed on the movable seat, and the dry ice spraying assembly comprises a storage box and an air pump which are installed on the movable seat. The input end of the air pump is connected with the material storage box, the output end of the air pump is connected with an air conveying pipe, a plurality of air nozzles are fixedly arranged on the air conveying pipe, the rotary cleaning assembly comprises a motor and a cleaning brush which are installed on the movable base, and the motor is in transmission connection with the cleaning brush. According to the convenient mechanism for cleaning the mold, dry ice is sprayed to the surface of the mold and can penetrate into mold gaps, heat is absorbed through the dry ice, so that the surface of the mold is rapidly cooled, meanwhile, a micro-explosion effect is generated, residues such as dirt, grease, paint and glue stains on the surface of the mold are effectively stripped and taken away, and in cooperation with a cleaning brush, the cleaning efficiency is improved. And effective cleaning of the mold is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor packaging, in particular to a convenient mechanism for cleaning a mold. Background Art

[0002] In the integrated circuit packaging industry, metal molds are generally used to complete the plastic encapsulation process during the production process. As the number of production increases, the resin, mold release wax and organic matter in the plastic encapsulation material will remain on the surface of the metal mold, resulting in poor demoulding performance and poor product quality. Therefore, the mold needs to be cleaned after a certain number of continuous productions to maintain its ability to operate continuously.

[0003] The patent document with the prior art publication number CN214718844U provides a semiconductor integrated circuit packaging mold cleaning device, in which a clamping plate clamps the packaging mold, a rotating plate drives the packaging mold to rotate, and a cleaning liquid is sprayed through a nozzle to clean the packaging mold. After the cleaning is completed, the fan is started to air-dry the packaging mold. The cleaning method of the device is relatively simple, and it is difficult to effectively clean the mold with complex structure by only relying on the flushing method, which leads to the need to increase the cleaning time or cleaning frequency, waste resources and affect production efficiency. Therefore, a convenient cleaning mold mechanism is urgently needed to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the inventors conducted in-depth research and completed the present utility model after paying a lot of creative work.

[0005] Specifically, the technical problem to be solved by the utility model is to provide a convenient mechanism for cleaning molds, so as to solve the technical problem that the current cleaning method is relatively single and it is difficult to effectively clean molds with complex structures by only relying on flushing, which leads to the need to increase the cleaning time or the number of cleaning times, waste resources and affect production efficiency.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A convenient mold cleaning mechanism comprises a box body, on which a horizontally slidable movable seat is provided, on which a dry ice blasting assembly and a rotating cleaning assembly are installed;

[0008] The dry ice blasting assembly includes a material storage box and an air pump installed on a movable seat, wherein the input end of the air pump is connected to the material storage box, and the output end is connected to an air pipe, and a plurality of air nozzles are fixed on the air pipe;

[0009] The rotating cleaning component comprises a motor installed on a movable seat and a cleaning brush, and the motor is in transmission connection with the cleaning brush.

[0010] As an improved technical solution, a plurality of guide rods are fixedly connected to the box body, the moving seat is slidably connected to the guide rods, and a plurality of electric push rods are fixedly installed on the box body, and one end of the electric push rod is fixedly connected to the moving seat.

[0011] As an improved technical solution, a clamping plate is provided at the bottom inside the box body, a fixing rod is fixedly connected to the end of the clamping plate, the fixing rod is slidably connected to the box body, and a spring is sleeved on the fixing rod, and both ends of the spring are fixedly connected to the clamping plate and the box body respectively.

[0012] As an improved technical solution, rotating shafts are fixedly connected to both ends of the cleaning brush, sleeves are slidably connected to the rotating shafts, the sleeves are rotatably connected to the moving seat, and one of the sleeves is connected to the motor through a chain drive.

[0013] As an improved technical solution, a circular plate is fixedly connected to the rotating shaft, a plurality of convex blocks are fixedly connected to the circular plate, and a plurality of guide wheels are rotatably connected to one end of the sleeve, and the driving guide wheels are in rolling contact with the convex blocks.

[0014] As an improved technical solution, a plurality of cameras are fixedly installed on the box body.

[0015] After adopting the above technical solutions, the beneficial effects of the present utility model are as follows:

[0016] 1. By spraying dry ice onto the surface of the mold, the present utility model enables it to penetrate into the gaps of the mold, absorbs heat using the dry ice, thereby rapidly cooling the surface of the mold, and simultaneously generating a micro-explosion effect, effectively stripping and removing residues such as dirt, grease, paint, and glue stains on the surface of the mold, and cooperating with the cleaning brush to achieve effective cleaning of the mold.

[0017] 2. When the guide wheels on both sides of the cleaning brush of the present utility model contact the convex blocks, they can drive the cleaning brush to move, enabling the cleaning brush to perform a reciprocating motion in the horizontal direction while rotating axially, further improving the cleaning effect on the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts. Among them:

[0019] Figure 1 It is a schematic diagram of the overall structure of the convenient mechanism for cleaning the mold of the present utility model.

[0020] Figure 2Schematic diagram of the box body and clamping plate structure of the convenient mechanism for cleaning the mold of the present utility model.

[0021] Figure 3 Schematic diagram of the dry ice spraying assembly and rotating cleaning assembly of the convenient mechanism for cleaning the mold of the present utility model.

[0022] Figure 4 Schematic diagram of the split structure of the rotating shaft and sleeve of the convenient mechanism for cleaning the mold of the present utility model.

[0023] Explanation of reference numerals:

[0024] 1. Box body; 101. Electric push rod; 2. Moving seat; 3. Dry ice spraying assembly; 301. Storage tank; 302. Air pump; 303. Air delivery pipe; 304. Jet nozzle; 4. Rotating cleaning assembly; 401. Motor; 402. Cleaning brush; 403. Rotating shaft; 404. Sleeve; 405. Circular plate; 406. Convex block; 407. Guide wheel; 5. Clamping plate; 501. Fixed rod; 502. Spring; 6. Camera. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] At the same time, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution that satisfies both A and B at the same time.

[0028] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions results in contradictions or cannot be realized, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0029] As Figures 1-4 Collectively shown, this embodiment provides a convenient mechanism for cleaning a mold. This convenient mechanism for cleaning a mold includes a box body 1, on which there is a horizontally slidable moving seat 2, and a dry ice spraying assembly 3 and a rotating cleaning assembly 4 are installed on the moving seat 2.

[0030] The dry ice spraying assembly 3 includes a storage tank 301 installed on the moving seat 2 and an air pump 302. The input end of the air pump 302 is connected to the storage tank 301, and the output end is connected to an air delivery pipe 303. A plurality of air jet nozzles 304 are fixedly provided on the air delivery pipe 303.

[0031] The rotating cleaning assembly 4 includes a motor 401 installed on the moving seat 2 and a cleaning brush 402. The motor 401 is in transmission connection with the cleaning brush 402.

[0032] In the above technical solution, after the mold is placed at the inner bottom of the box body 1, the moving seat 2 can drive the dry ice spraying assembly 3 and the rotating cleaning assembly 4 to move above the mold. The air pump 302 pumps the dry ice in the storage tank 301 to the air jet nozzles 304, and each air jet nozzle 304 sprays the dry ice onto the surface of the mold. The dry ice peels off the sundries on the surface of the mold, and then the motor 401 drives the cleaning brush 402 to rotate, and the cleaning brush 402 sweeps the sundries away from the mold.

[0033] It can be understood that by utilizing the physical properties of dry ice, dry ice particles rapidly sublimate into carbon dioxide gas at the moment of contact, and absorb a large amount of heat during this process, resulting in a sharp local temperature drop. At the same time, a micro-explosion effect is generated, effectively peeling off and taking away residues such as dirt, grease, paint, and glue stains on the surface of the mold, and at the same time, not causing damage to the mold, with obvious cleaning effect and high efficiency.

[0034] A plurality of guide rods are fixedly connected to the box body 1, the moving seat 2 is slidably connected to the guide rods, and a plurality of electric push rods 101 are fixedly installed on the box body 1. One end of the electric push rod 101 is fixedly connected to the moving seat 2.

[0035] In the above technical solution, the guide rod slides and limits the moving seat 2, and the electric push rods 101 synchronously extend and retract to drive the moving seat 2 to move horizontally, so that the cleaning brush 402 moves when rotating, effectively cleaning the mold.

[0036] A clamping plate 5 is provided at the inner bottom of the box body 1. A fixing rod 501 is fixedly connected to the end of the clamping plate 5. The fixing rod 501 is slidably connected to the box body 1, and a spring 502 is sleeved on the fixing rod 501. The two ends of the spring 502 are respectively connected and fixed to the clamping plate 5 and the box body 1.

[0037] In the above technical solution, the spring 502 cooperates with the clamping plate 5 to clamp and fix the mold at the bottom of the box body 1, ensuring that the mold remains stable during cleaning.

[0038] Both ends of the cleaning brush 402 are fixedly connected with a rotating shaft 403. A sleeve 404 is slidably connected to the rotating shaft 403. The sleeve 404 is rotatably connected to the moving seat 2, and one of the sleeves 404 is connected to the motor 401 through a chain drive.

[0039] A circular plate 405 is fixedly connected to the rotating shaft 403. A plurality of convex blocks 406 are fixedly connected to the circular plate 405. One end of the sleeve 404 is rotatably connected with a plurality of guide wheels 407, and the driving guide wheels 407 are in rolling contact with the convex blocks 406.

[0040] In the above technical solution, the convex blocks 406 are arranged at equal intervals in a ring shape. The number of convex blocks 406 is the same as the number of guide wheels 407, and the convex blocks 406 on both sides of the cleaning brush 402 are arranged in a staggered manner. When the guide wheels 407 on one side are in contact with the convex blocks 406, the guide wheels 407 on the other side are not in contact with the convex blocks 406, so that the cleaning brush 402 moves to one side. Thus, reciprocatingly, the cleaning brush 402 is driven to perform horizontal reciprocating movement while rotating, which helps to improve the cleaning effect.

[0041] A plurality of cameras 6 are fixedly installed on the box body 1.

[0042] In the above technical solution, the cleaning process of the mold can be viewed through the camera 6, and the opening and closing and working duration of the dry ice spraying assembly 3 and the rotating cleaning assembly 4 can be adjusted according to the collected images.

[0043] In use, place the encapsulation mold at the bottom inside the box body 1, push the clamping plate 5 to compress the spring 502, and use the elastic force of the spring 502 to drive the clamping plate 5 to clamp and limit the mold. The electric push rod 101 drives the moving seat 2 to move horizontally, so that the dry ice spraying assembly 3 and the rotating cleaning assembly 4 move towards one side of the mold. The air pump 302 pumps the dry ice in the storage tank 301 to the jet nozzles 304, and each jet nozzle 304 sprays the dry ice onto the surface of the mold. The dry ice peels off the sundries on the surface of the mold. Subsequently, the motor 401 drives the cleaning brush 402 to rotate, and the guide wheel 407 cooperates with the convex block 406 to drive the cleaning brush 402 to reciprocate, so as to clean the sundries on the surface of the mold.

[0044] It should be understood that the use of these embodiments is only for illustrating the present invention rather than intending to limit the protection scope of the present invention. In addition, it should also be understood that after reading the technical content of the present invention, those skilled in the art can make various changes, modifications and / or variations to the present invention, and all these equivalent forms also fall within the protection scope defined by the appended claims of this application.

Claims

1. A convenient mechanism for cleaning a mold, characterized in that: It includes a box body (1), on which there is a movable seat (2) that can slide horizontally. A dry ice spraying component (3) and a rotating cleaning component (4) are installed on the movable seat (2); The dry ice spraying component (3) includes a storage tank (301) and an air pump (302) installed on the movable seat (2). The input end of the air pump (302) is connected to the storage tank (301), and the output end is connected to an air delivery pipe (303). A plurality of air nozzles (304) are fixedly arranged on the air delivery pipe (303); The rotating cleaning component (4) includes a motor (401) and a cleaning brush (402) installed on the movable seat (2). The motor (401) is in transmission connection with the cleaning brush (402).

2. The convenient mechanism for cleaning the mold according to claim 1, wherein: A plurality of guide rods are fixedly connected to the box body (1). The movable seat (2) is slidably connected to the guide rods, and a plurality of electric push rods (101) are fixedly installed on the box body (1). One end of the electric push rod (101) is fixedly connected to the movable seat (2).

3. The convenient mechanism for cleaning the mold according to claim 1, wherein: A clamping plate (5) is arranged at the inner bottom of the box body (1). The end of the clamping plate (5) is fixedly connected to a fixing rod (501). The fixing rod (501) is slidably connected to the box body (1), and a spring (502) is sleeved on the fixing rod (501). The two ends of the spring (502) are respectively fixedly connected to the clamping plate (5) and the box body (1).

4. The convenient mechanism for cleaning the mold according to claim 1, wherein: Both ends of the cleaning brush (402) are fixedly connected to a rotating shaft (403). A sleeve (404) is slidably connected to the rotating shaft (403). The sleeve (404) is rotatably connected to the movable seat (2), and one of the sleeves (404) is in chain drive connection with the motor (401).

5. The convenient mechanism for cleaning a mold according to claim 4, wherein: A circular plate (405) is fixedly connected to the rotating shaft (403). A plurality of convex blocks (406) are fixedly connected to the circular plate (405). One end of the sleeve (404) is rotatably connected to a plurality of guide wheels (407), and the driving guide wheels (407) are in rolling contact with the convex blocks (406).

6. The convenient mechanism for cleaning the mold according to claim 1, characterized in that: A plurality of cameras (6) are fixedly installed on the box body (1).

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