Sorting device used after MLCC green body chamfering

By designing a sorting device that includes a starch collection box, a mesh screen, and a negative pressure suction system, the problems of low sorting efficiency and excessive dust after chamfering of MLCC green bodies were solved, achieving efficient sorting and environmental protection.

CN223717672UActive Publication Date: 2025-12-26BEIJING YUAN LIU HONG YUAN ELECTRONIC TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202520223174.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-26
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

The existing manual sorting method after chamfering of MLCC green blanks is inefficient and generates a lot of dust, which is harmful to the human body.

Method used

Design a sorting device including a starch collection box, a screen device, and a negative pressure suction system. The starch collection box is driven to vibrate by a vibration device, and the MLCC product and grinding media are separated by screens with different apertures and the negative pressure suction system. The starch collector separates the product from the grinding media, reducing dust generation.

Benefits of technology

It improved sorting efficiency, reduced dust emissions, and improved the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sorting device used after MLCC green bodies are chamfered, and relates to the technical field of electronic component machining, the sorting device comprises a starch collecting box, a mesh screen device and a mesh screen cover are sequentially arranged above the starch collecting box, and the mesh screen device can separate MLCC products from grinding media; the negative pressure suction system is communicated with the starch collecting box, so that downward negative pressure can be generated in the mesh screen device and the starch collecting box; the vibrating device is connected with the starch collecting box and can drive the starch collecting box to vibrate. According to the sorting device for the chamfered MLCC green bodies, dust can be reduced, and the sorting efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of electronic component processing technology, and in particular to a sorting device for MLCC green blanks after chamfering. Background Technology

[0002] MLCC (Multi-layer Ceramic Capacitor), also known as chip capacitor, multilayer capacitor, or laminated capacitor, is a type of multilayer ceramic capacitor. During the manufacturing process of MLCC electronic components, a green blank chamfering process is required. This is because the sharp edges of the sintered product are prone to chipping and damage during the chamfering and tumbling process. Therefore, after cutting, the product undergoes green blank chamfering to pre-grind the edges to a certain radius.

[0003] The grinding media used for green body chamfering consists of inclined cylinders of different sizes and roughnesses. Starch is added during green body chamfering as a buffer between the product and the grinding media. Therefore, during product sorting after green body chamfering, the product, the inclined cylinders, and the starch need to be separated. Current manual sorting methods are inefficient and generate a lot of dust, which is harmful to human health. Therefore, there is an urgent need to design a sorting device that can reduce dust and improve sorting efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a sorting device for MLCC green blanks after chamfering, so as to solve the problems existing in the prior art, reduce dust, and improve sorting efficiency.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a sorting device for MLCC green blanks after chamfering, comprising:

[0007] A starch collection box, with a screen device and a screen cover arranged sequentially on top of the starch collection box, the screen device being able to separate MLCC products from the grinding media;

[0008] The negative pressure suction system, connected to the starch collection box, enables downward negative pressure to be generated in the screen device and the starch collection box.

[0009] A vibration device, connected to the starch collection box, is capable of driving the starch collection box to vibrate.

[0010] Preferably, the screen device comprises a layer of screen and two layers of screen, the two layers of screen are fixedly and sealingly installed above the starch collecting box, the layer of screen is fixedly and sealingly connected above the two layers of screen, the layer of screen is fixedly and sealingly connected above the layer of screen, the screen size of the layer of screen is larger than the MLCC product size and smaller than the grinding medium size; the screen size of the two layers of screen is smaller than the MLCC product size.

[0011] Preferably, the two layers of screen comprise a second connecting barrel, a second screen is fixedly arranged on the inner wall of the second connecting barrel, and the bottom of the second connecting barrel is fixedly and sealingly inserted into the top opening of the starch collecting box; the layer of screen comprises a first connecting barrel, a first screen is arranged on the inner wall of the first connecting barrel, and the bottom of the first connecting barrel is fixedly and sealingly inserted into the top of the second connecting barrel; and the bottom of the screen cover is fixedly and sealingly inserted into the top of the first connecting barrel.

[0012] Preferably, the screen cover and the first connecting barrel are fixedly connected through a lock buckle, the first connecting barrel and the second connecting barrel are fixedly connected through a lock buckle, and the second connecting barrel and the starch collecting box are fixedly connected through a lock buckle.

[0013] Preferably, the vibration device comprises a vibrating screen base, the starch collecting box is arranged on the vibrating screen base, a vibrator is arranged in the vibrating screen base, and the vibrator can drive the starch collecting box to vibrate.

[0014] Preferably, the negative pressure suction system comprises an industrial dust collector, and the industrial dust collector is in communication with the inside of the starch collecting box through a vacuum pipe.

[0015] Preferably, the bottom wall of the starch collecting box is arranged to be inclined, a powder outlet is arranged at a position close to the lowest end of the bottom wall of the starch collecting box, and a recycling bag is bundled at the powder outlet.

[0016] Preferably, a vibration detection sensor is fixedly arranged on the starch collecting box.

[0017] Preferably, the bottom of the starch collecting box is fixedly connected with a mounting plate through a supporting leg, the mounting plate is connected with the top of the vibrating screen base, the bottom of the vibrating screen base is provided with an elastic supporting device, and the elastic supporting device is internally provided with a spring.

[0018] Preferably, the industrial dust collector is internally provided with a plurality of layers of filtering devices, and a dust concentration sensor is arranged at the air outlet of the industrial dust collector.

[0019] Compared with the prior art, the utility model discloses the following technical effects:

[0020] The starch collecting box is fixed with the screen device, different aperture size screen devices are adopted due to different grinding medium and product size, the product and grinding medium in the screen device can be separated by vibrating the starch collecting box driven by the vibration device, the sorting frequency can be accelerated, and the efficiency is improved; the negative pressure suction system can make the starch collecting box and the screen device keep downward negative pressure, the starch can be sucked in the starch collecting box and the negative pressure suction system, and the dust generated in the sorting process can be greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0022] Figure 1 It is a structure schematic view of the sorting device for the MLCC green body after chamfering in one of the embodiments of the present application.

[0023] Figure 2 It is another structure schematic view of the sorting device for the MLCC green body after chamfering in one of the embodiments of the present application.

[0024] Figure 3 It is a structure schematic view of the screen cover in one of the embodiments of the present application.

[0025] Figure 4 It is a schematic view of a layer of screen in one of the embodiments of the present application.

[0026] Figure 5 It is a schematic view of two layers of screen in one of the embodiments of the present application.

[0027] Figure 6 It is a schematic view of the starch collecting box in one of the embodiments of the present application.

[0028] Figure 7 It is a top view of the starch collecting box in one of the embodiments of the present application.

[0029] Figure 8 It is an A-A sectional view of Figure 7 .

[0030] Figure 9 It is a schematic view of the vibration screen base in one of the embodiments of the present application.

[0031] Figure 10 It is a schematic view of the vibration detection sensor in one of the embodiments of the present application.

[0032] In the figure: 1 - mesh cover, 2 - one layer of mesh, 201 - first connecting cylinder, 202 - first mesh, 3 - two layers of mesh, 301 - second connecting cylinder, 302 - second mesh, 4 - starch collecting box, 401 - powder outlet, 5 - vibrating screen base, 6 - vacuum tube, 7 - industrial vacuum cleaner, 8 - vibration detection sensor, 9 - lock. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] The purpose of the present application is to provide a sorting device for MLCC green body chamfering, to solve the problems existing in the prior art, to reduce dust, and to improve the sorting efficiency.

[0035] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0036] The technical solution known to the inventor is that after the MLCC product green body chamfering, manual sorting is used, first, the product is separated from the inclined cylinder as the grinding medium by using a large-hole standard sieve, and then the product is separated from the starch by using a small-hole standard sieve. This method is low in efficiency and produces a lot of dust in the sorting process. In order to improve the efficiency and reduce the dust, the present application provides a sorting device for MLCC green body chamfering, which comprises a vibrating screen base, a mesh cover, a one-layer mesh, a first connecting cylinder, a first mesh, a two-layer mesh, a second connecting cylinder, a second mesh, a starch collecting box, a powder outlet, a vacuum tube, an industrial vacuum cleaner, a vibration detection sensor and a lock. Figures 1-10As shown, the structure comprises a starch collecting box 4, a mesh screen device and a mesh screen cover 1 are sequentially and sealingly connected above the starch collecting box 4, the mesh screen device of the embodiment comprises a layer of mesh screen 2 and two layers of mesh screen 3, the two layers of mesh screen 3 are fixedly and sealingly installed above the starch collecting box 4, the layer of mesh screen 2 is fixedly and sealingly installed above the two layers of mesh screen 3, the mesh screen cover 1 is fixedly and sealingly connected above the layer of mesh screen 2, the mesh hole size of the layer of mesh screen 2 is larger than the size of the MLCC product and smaller than the size of the grinding medium, so that the grinding medium and the product can be separated; the mesh hole size of the two layers of mesh screen 3 is smaller than the size of the MLCC product, so that the product can be left on the two layers of mesh screen 3 and separated from the starch; by switching the mesh size, it can be applied to other types of product green body dry and inverted sorting; by adjusting the mesh screen material, it can also be used for product sintered body chamfer sorting; in another embodiment, a cleaning brush that can be started at a fixed time is arranged above the mesh screen to prevent the material from blocking the mesh hole, the cleaning brush can move along the surface of the mesh screen to brush the material stuck in the mesh hole, or an ultrasonic vibration device can be installed above the mesh screen, the ultrasonic vibration can keep the material loose on the mesh screen, improving the screening efficiency. At the same time, a beating device is installed on the side of the mesh screen to beat the mesh screen regularly, further preventing the material from blocking. The negative pressure suction system communicates with the starch collecting box 4 to generate a downward negative pressure in the mesh screen device and the starch collecting box 4, ensuring that the starch can be separated from the product. Since the pressure of the negative pressure suction system is small and the amount of starch is large, it can only provide slight negative pressure to suck part of the starch, and the remaining large amount of starch will fall into the starch collecting box 4 under the action of negative pressure; the vibration device is connected with the starch collecting box 4 to drive the starch collecting box 4 to vibrate, improving the sorting efficiency.

[0037] In an embodiment, in order to enable the close connection of each component, the structure of the two layers of mesh screen 3 is designed to comprise a second connecting cylinder 301, a second mesh screen 302 is fixedly arranged on the inner wall of the second connecting cylinder 301, and a smooth plug-in part recessed inward is arranged at the bottom of the second connecting cylinder 301, which can be fixedly and sealingly plugged into the top opening of the starch collecting box 4; the layer of mesh screen 2 comprises a first connecting cylinder 201, a first mesh screen 202 is arranged on the inner wall of the first connecting cylinder 201, and a smooth plug-in part recessed inward is arranged at the bottom of the first connecting cylinder 201, which can be fixedly and sealingly plugged into the top of the second connecting cylinder 301; a smooth plug-in part recessed inward is arranged at the bottom of the mesh screen cover 1, which can be fixedly and sealingly plugged into the top of the first connecting cylinder 201.

[0038] Since the utility model is in the vibration state when working, only the plug-in structure can not ensure that it can still remain in the fixed state when vibrating, in order to solve this problem, the embodiment adopts the lock catch 9 fixed connection between the mesh cover 1 and the first connecting cylinder 201, the lock catch 9 fixed connection between the first connecting cylinder 201 and the second connecting cylinder 301, and the lock catch 9 fixed connection between the second connecting cylinder 301 and the starch collecting box 4. The lock catch 9 adopts the lock ring and spring clamp and cooperates, the lock ring is hinged on the mesh cover 1, the first connecting cylinder 201 and the second connecting cylinder 301, and the spring clamp is correspondingly arranged on the first connecting cylinder 201, the second connecting cylinder 301 and the starch collecting box 4, the lock ring is buckled on the corresponding spring clamp, so that the fixing of two connected components is realized.

[0039] The vibration device of the embodiment comprises a vibrating screen base 5, the vibrating screen base 5 is provided with a vibration device, for example, a vibration motor or other mature known vibration structure, the vibration device is connected with a spring, the bottom of the starch collecting box 4 is fixedly connected with a mounting plate through a supporting leg, the mounting plate is connected with the top of the vibrating screen base 5, the spring of the vibration device is connected with the bottom of the starch collecting box 4, and vibration force can be provided for the starch collecting box 4; the bottom of the vibrating screen base 5 is provided with an elastic support device, the elastic support device is provided with a spring inside, so that the vibration transmission to other components of the sorting cabin is reduced, and the stable operation of the vibrating screen is ensured. The vibrating screen base 5 is provided with a vibrator, and the vibrator can drive the starch collecting box 4 to vibrate; a vibration detection sensor 8 is fixedly arranged on the starch collecting box 4 and used for detecting the running state, the vibration condition of the vibrating screen and the like; in addition, a plurality of sensors can be arranged on each component respectively, when a fault occurs, such as abnormal vibration, the system can automatically issue an alarm, so that the maintenance personnel can handle in time. The negative pressure suction system comprises an industrial dust collector 7, the industrial dust collector 7 is communicated with the inside of the starch collecting box 4 through a vacuum pipe 6, a plurality of filtering devices, such as a cloth bag filter and an electrostatic filter, are arranged in the industrial dust collector 7, and a dust concentration sensor is arranged at the air outlet, so that the dust content of the discharged air can be monitored in real time.

[0040] When the amount of starch is relatively large and the industrial dust collector 7 is insufficient to adsorb all the starch, an additional starch collecting device needs to be arranged, in an embodiment, the bottom wall of the starch collecting box 4 is arranged to be inclined, a powder outlet 401 is arranged at the position close to the lowest end of the bottom wall of the starch collecting box 4, and a recycling bag is bundled at the powder outlet 401, so that the starch can automatically slide into the recycling bag, the collection is realized, and the dust raising is avoided.

[0041] The utility model discloses use, through the positioning hole, fix starch collecting box 4 on the vibration screen base 5, fix vibration detection sensor 8 on starch collecting box 4, then lower to upper, two layer screen 3, one layer screen 2, screen cover 1 are placed in starch collecting box 4, then use spring clamp to fix, form a multilayer structure's sorting device, utilize vacuum tube 6 to connect together starch collecting box 4 and industrial dust collector 7, constitute complete MLCC green body chamfer sorting device. After MLCC product green body chamfer is completed, first in starch collecting box 4 powder outlet 401 knot recovery bag, then start industrial dust collector 7, make the whole sorting layer produce the negative pressure to the down, open sorting device screen cover 1 again, pour the mixture of product, oblique cylinder, starch into one layer screen 2, buckle sorting device screen cover 1 and use spring clamp to fix, then open vibration screen base 5 switch and vibrate and screen, smaller size's product and starch fall from one layer screen 2 hole to two layer screen 3, and larger size's oblique cylinder remains in one layer screen 2, complete product and oblique cylinder's separation. With the vibration of vibration screen, starch will fall into industrial dust collector 7, starch collecting box 4 or recovery bag from two layer screen 3 sieve hole again, complete product and starch's separation, finally open screen cover 1, one layer screen 2, two layer screen 3 in turn, take out and package after sorting completed material, close the equipment and carry out the cleaning to each part, and vibration detection sensor 8 plays the detection equipment operating state function in the process.

[0042] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, there will be changes in the specific implementation mode and application range. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A sorting device for MLCC green bodies after chamfering, characterized by: The starch collecting box is provided with a screen device and a screen cover in sequence from top to bottom. The negative pressure suction system is communicated with the starch collecting box and can generate a downward negative pressure in the screen device and the starch collecting box. The vibration device is connected with the starch collecting box and can drive the starch collecting box to vibrate. The screen device comprises a first screen and a second screen.

2. The apparatus for sorting MLCC green bodies after chamfering according to claim 1, wherein: The second screen comprises a second connecting cylinder, and a second screen is fixedly arranged on the inner wall of the second connecting cylinder.

3. The apparatus for sorting MLCC green bodies after chamfering according to claim 2, characterized in that: The first screen comprises a first connecting cylinder, and a first screen is arranged on the inner wall of the first connecting cylinder.

4. The apparatus for sorting MLCC green bodies after chamfering according to claim 3, wherein: The screen cover and the first connecting cylinder are fixedly connected through a lock buckle.

5. The apparatus for sorting MLCC green bodies after chamfering according to claim 1, wherein: The first connecting cylinder and the second connecting cylinder are fixedly connected through a lock buckle.

6. The apparatus for sorting MLCC green bodies after chamfering according to claim 1, wherein: The second connecting cylinder and the starch collecting box are fixedly connected through a lock buckle.

7. The apparatus for sorting MLCC green bodies after chamfering according to claim 6, wherein: The vibration device comprises a vibration base, and the starch collecting box is arranged on the vibration base.

8. The apparatus for sorting MLCC green bodies after chamfering according to claim 1, wherein: The negative pressure suction system comprises an industrial dust collector.

9. The apparatus for sorting MLCC green bodies after chamfering according to claim 5, wherein: The bottom wall of the starch collecting box is inclinedly arranged, and a powder outlet is arranged at the position close to the lowest end of the bottom wall.

10. The apparatus for sorting MLCC green bodies after chamfering according to claim 6, wherein: The vibration detection sensor is fixedly arranged on the starch collecting box. The bottom of the starch collecting box is fixedly connected with a mounting plate through a supporting leg. The industrial dust collector is provided with a plurality of filtering devices. The industrial dust collector is provided with a dust concentration sensor at the air outlet.