Filling device

Abstract

The embodiment of the utility model relates to the technical field of electronic processing, in particular to a filling device which comprises a shell, a movable support and a vibration assembly, the shell is provided with a liquid storage tank, the liquid storage tank is used for containing filling liquid, the movable support is arranged in the shell, the movable support is used for bearing a sample, and the vibration assembly is arranged in the shell. The movable support can move relative to the shell so that the sample can be immersed in or separated from the filling liquid, the vibration assembly is connected with the shell, and the vibration assembly is used for driving the shell to vibrate so that the filling liquid can enter the sample. By means of the mode, the filling efficiency is effectively improved in the vibration filling process, and the sample soaking time is shortened.

Description

Technical Field

[0001] The embodiment of the utility model relates to the technical field of electronic processing, in particular to a filling device. Background Art

[0002] With the rapid development of the electronic information industry, MLCC (Multi-layer Ceramic Capacitor) as a key passive electronic component has been widely used in many fields such as automotive electronics, electrical control, power grid frequency modulation, instrumentation, and aerospace. In the manufacturing process of MLCC, there may be pores in the copper layer of the rear electrode in the firing end process. These pores will cause poor infiltration of the plating solution during the electroplating process, thereby reducing the reliability of MLCC and seriously affecting its quality. To solve this problem, it is usually necessary to perform a filling process on the fired MLCC semi-finished product before electroplating to seal the pores. Currently, the filling process is to put the fired capacitor semi-finished product into a container filled with a filling liquid, and allow the filling liquid to naturally wet and fill the holes in the end electrode copper layer through a long time.

[0003] In the process of implementing the embodiments of the present application, the inventors found that: the natural infiltration filling method takes a long time and has low efficiency, and the long-term soaking will increase the risk of damage to the capacitor. Summary of the Utility Model

[0004] In view of the above problems, the embodiment of the utility model provides a filling device, which overcomes the above problems or at least partially solves the above problems.

[0005] To solve the above technical problems, one technical solution adopted by the utility model is: to provide a filling device, including a housing, a moving bracket, and a vibration component. The housing is provided with a liquid storage tank for storing a filling liquid. The moving bracket is arranged inside the housing and is used to carry a sample. The moving bracket can move relative to the housing so that the sample can be immersed in or separated from the filling liquid. The vibration component is connected to the housing and is used to drive the housing to vibrate so that the filling liquid enters the sample.

[0006] Optionally, the housing includes a box body and an upper cover. The box body is provided with the liquid storage tank. The upper cover is movably connected to the box body and is used to cover the liquid storage tank to form a liquid storage cavity. The filling device further includes a vacuum pump, and the vacuum pump is communicated with the liquid storage cavity and is used to pump air from the liquid storage cavity.

[0007] Optionally, the box body includes a side wall and a bottom wall connected to the side wall. The side wall and the bottom wall jointly enclose the liquid storage tank. The shape of the bottom wall is funnel-shaped, and along the direction from the notch to the bottom of the liquid storage tank, the cross-sectional area of the bottom wall of the box body gradually decreases.

[0008] Optionally, a drain pipe is connected to the bottom wall of the box body. The drain pipe communicates with the liquid storage tank. A valve is provided on the drain pipe, and the valve is used to control the opening and closing of the drain pipe.

[0009] Optionally, the moving bracket includes a receiving box. The receiving box includes a box body, a bottom plate, and a holding member. A box cavity is provided in the box body, and the box cavity penetrates through the box body. The holding member is provided at one end of the box body, and the bottom plate is provided at the other end of the box body. When the sample is received in the box cavity, the bottom plate bears the sample. A plurality of through holes are evenly distributed on the bottom plate, and the through holes are used for the filling liquid to flow between the box cavity and the liquid storage tank.

[0010] Optionally, the bottom plate is spaced from the bottom of the liquid storage tank, and support columns extend from the bottom plate.

[0011] Optionally, the holding member is provided on the end face of one end of the box body, and the holding member is located on the axis of symmetry of the end face of one end of the box body.

[0012] Optionally, the vibration assembly includes a vibration platform and a vibrator. The vibrator is provided inside the vibration platform, and the vibration platform is connected to the housing.

[0013] Optionally, a sealing ring is provided on the upper cover, and the sealing ring is used to seal the gap between the upper cover and the box body.

[0014] Optionally, the filling device further includes a controller, and the controller is electrically connected to the vibrator and the vacuum pump respectively.

[0015] The beneficial effects of the embodiments of the present utility model are as follows: Different from the prior art, the embodiments of the present application provide a filling device, including a housing, a moving bracket, and a vibration assembly. A liquid storage tank is provided in the housing, and the liquid storage tank is used to hold a filling liquid. The moving bracket is provided inside the housing, and the moving bracket is used to carry a sample. The moving bracket can move relative to the housing so that the sample can be immersed in or separated from the filling liquid. The vibration assembly is connected to the housing, and the vibration assembly is used to drive the housing to vibrate so that the filling liquid enters the sample. By the above method, the filling efficiency is effectively improved during the vibration filling process, and the sample soaking time is reduced. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the drawings without paying creative work.

[0017] Figure 1 is a three-dimensional diagram of a filling device provided in an embodiment of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of a filling device provided by an embodiment of the utility model, in which a movable bracket is separated from a shell from a perspective;

[0019] Figure 3 This is a component exploded view of a filling device provided in an embodiment of the utility model;

[0020] Figure 4 yes Figure 1 Sectional view after cutting along the section line AA;

[0021] Figure 5 It is a three-dimensional diagram of a housing provided by an embodiment of the utility model;

[0022] Figure 6 is an exploded view of a housing provided by an embodiment of the utility model;

[0023] Figure 7 It is a three-dimensional diagram of a mobile bracket provided by an embodiment of the utility model;

[0024] Figure 8 is a stereoscopic diagram of another perspective in which the movable bracket and the shell of the filling device provided by the embodiment of the utility model are separated;

[0025] Figure 9 It is a flow chart of a method for using the filling device provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by those skilled in the technical field to which this utility model belongs. The terms used in this specification in the description of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0028] Please refer to Figures 1 to 3 , the filling device 1000 includes a housing 1, a moving bracket 2, a vibration assembly 3, a vacuum pump 4 and a controller 5. The housing 1 is used to store the filling liquid. The moving bracket 2 is arranged in the housing 1. The moving bracket 2 is used to carry the sample. The moving bracket 2 can move relative to the housing 1 to immerse or separate the sample from the filling liquid. The vibration assembly 3 is connected to the housing 1. The vibration assembly 3 is used to drive the housing 1 to vibrate so that the filling liquid enters the sample. The vacuum pump 4 is connected to the housing 1. The vacuum pump 4 is used to evacuate the inside of the housing 1. The controller 5 is connected to the vibration assembly 3 and the vacuum pump 4. The controller 5 is used to control the working states of the vibration assembly 3 and the vacuum pump 4.

[0029] It should be noted that in the embodiments of this application, the sample can be a semi-finished product after the end-firing process in the production process of multilayer ceramic capacitors. At this time, there are pores in the capacitor semi-finished product, and the filling liquid is an insulating material used to seal these pores. The sample can also be other electronic components or products that need liquid filling or infiltration.

[0030] For the above-mentioned housing 1, please refer to Figures 4 to 6The housing 1 includes a box body 11 and an upper cover 12. The box body 11 is provided with a liquid storage tank 110. The box body 11 includes a side wall 111 and a bottom wall 112 connected to the side wall 111. The side wall 111 and the bottom wall 112 together enclose the liquid storage tank 110. The liquid storage tank 110 is used to contain the filling liquid. A first connecting column 1111 is provided at one end of the side wall 111 away from the bottom wall 112. The first connecting column 1111 is provided with an axial hole 1110. A second connecting column 1112 is provided at the other end of the side wall 111 close to the bottom wall 112. The shape of the bottom wall 112 is a quadrangular pyramid funnel. The bottom wall 112 is formed by four triangular plates spliced ​​together. Along the direction from the notch of the liquid storage tank 110 to the bottom of the tank, the cross-sectional area of ​​the bottom wall 112 gradually decreases. The bottom wall 112 is connected with a drain pipe 113, which is connected to the inverted cone top of the bottom wall 112. The drain pipe 113 is connected to the liquid storage tank 110. The drain pipe 113 is provided with a valve 114, and the valve 114 is used to control the opening and closing of the drain pipe 113. The upper cover 12 is movably connected with the box body 11. The upper cover 12 covers the liquid storage tank 110 to form a liquid storage chamber 10. The upper cover 12 is provided with a sealing ring 121, and the sealing ring 121 is used to close the gap between the upper cover 12 and the box body 11. A third connecting column 122 extends from one end of the upper cover 12, and a connecting shaft 1220 is provided on one side of the third connecting column 122. The connecting shaft 1220 is used to penetrate the shaft hole 1110 of the first connecting column 1111 to realize the movable connection between the upper cover 12 and the box body 11. The other end of the upper cover 12 is provided with a handle 123, and the handle 123 is used for the operator to conveniently open or close the upper cover 12.

[0031] It can be understood that the structure of the shell 1 is not limited to the above, and can also be other structures. For example, the bottom wall 112 can be a conical funnel shape, a triangular pyramid funnel shape or other polygonal pyramid funnel shape, or other funnel shapes that can form a tapered cross-section, and the shape of the side wall 111 matches the bottom wall 112.

[0032] For the above mobile stand 2, see Figure 7 The mobile bracket 2 includes a storage box, which includes a box body 21, a bottom plate 22 and a gripping member 23. The box body 21 is provided with a box cavity 20, which runs through the box body 21. The gripping member 23 is provided at the end surface of one end of the box body 21, and the gripping member 23 is located on the symmetry axis of the end surface of one end of the box body 21. The bottom plate 22 is provided at the other end of the box body 21. The bottom plate 22 is provided with a plurality of evenly distributed through holes, and the aperture of the through holes is smaller than the particle size of the sample. A support column 221 extends from the outside of the bottom plate 22 away from the box cavity 20. When the sample is accommodated in the box cavity 20, the bottom plate 22 is used to carry the sample, the through hole is used for the filling liquid to flow between the box cavity 20 and the liquid storage tank 110, and the support column 221 makes the bottom plate 22 and the bottom of the liquid storage tank 110 spaced apart.

[0033] For the above vibration component 3, see Figure 8, the vibration assembly 3 includes a vibration platform 31 and a vibrator (not shown in the figure). The vibrator is disposed inside the vibration platform 31, and the vibration platform 31 is connected to the housing 1. One end of the vibration platform 31 is disposed on the ground or the operating table, and the other end of the vibration platform 31 is connected to the second connecting column 1112 of the box body 11. The drain pipe 113 is located between the vibration platform 31 and the bottom wall 112 of the box body 11.

[0034] For the above-mentioned vacuum pump 4, please refer to 4 and Figure 8 , the vacuum pump 4 is connected to one end of the side wall 111 of the box body 11 away from the bottom wall 112. The vacuum pump 4 is communicated with the liquid storage cavity 10. The vacuum pump 4 is used to evacuate the space above the liquid filled in the liquid storage cavity 10, not only to extract the bubbles in the filled liquid, but also to create a negative pressure environment in the liquid storage cavity 10, thereby accelerating the penetration of the filled liquid into the sample. The vacuum pump 4 can pump the vacuum degree of the liquid storage cavity 10 to -99 kPa, and the pumping time is less than or equal to 5 seconds.

[0035] For the above-mentioned controller 5, please continue to refer to Figure 8 , the controller 5 is disposed on the side wall 111 of the vibration platform 31. The controller 5 is connected to the vibrator and the vacuum pump 4. The controller 5 is used to control the working states of the vibrator and the vacuum pump 4. Specifically, the vibration frequency, vibration amplitude and vibration time of the vibrator can be set through the controller 5, and the pumping time and pumping rate of the vacuum pump 4 can also be set.

[0036] In some embodiments, the controller 5 is also communicatively connected to the valve 114 of the drain pipe 113 for controlling the opening and closing of the valve 114. Specifically, by controlling the opening and closing of the valve 114 through the controller 5, the discharge of the liquid filled in the liquid storage tank 110 can be controlled, and the liquid storage tank 110 can be emptied when needed to prepare for the next filling operation.

[0037] In the embodiment of the present application, the filling device 1000 includes a housing 1, a moving bracket 2, a vibration assembly 3, a vacuum pump 4 and a controller 5. The housing 1 is used to store the filling liquid. The moving bracket 2 is disposed inside the housing 1. The moving bracket 2 is used to carry the sample. The moving bracket 2 can move relative to the housing 1 so that the sample is immersed in or separated from the filling liquid. The vibration assembly 3 is connected to the housing 1. The vibration assembly 3 is used to drive the housing 1 to vibrate so that the filling liquid enters the sample. The vacuum pump 4 is connected to the housing 1. The vacuum pump 4 is used to evacuate the inside of the housing 1. The controller 5 is connected to the vibration assembly 3 and the vacuum pump 4. The controller 5 is used to control the working states of the vibration assembly 3 and the vacuum pump 4. The vibration generated by the vibration assembly 3 effectively promotes the more rapid penetration of the filling liquid into the pores of the sample. The vacuum pump 4 removes the bubbles in the filling liquid and creates a negative pressure in the liquid storage cavity 10, further accelerating the penetration of the filling liquid. The combination of vibration and vacuum effectively improves the filling efficiency and filling quality.

[0038] The present utility model also provides an embodiment of the usage method of the filling device 1000. Please refer to Figure 9 , and the usage method is the usage steps of the filling device 1000, including

[0039] Step 1001: Close the valve 114 of the drain pipe 113.

[0040] Step 1002: Pour the filling liquid into the liquid storage tank 110, and the liquid level height of the filling liquid does not exceed half of the height of the liquid storage tank 110.

[0041] Step 1003: Place the sample on the bottom plate 22 of the receiving box.

[0042] Step 1004: Operate the holding member 23 to place the moving bracket 2 into the liquid storage tank 110 so that the sample is completely immersed in the filling liquid. Among them, the filling liquid flows through the through holes of the bottom plate 22.

[0043] Step 1005: Operate the handle 123 of the upper cover 12 to close the upper cover 12, and then close the liquid storage tank 110 to form a liquid storage cavity 10.

[0044] Step 1006: Start the vacuum pump 4 and the vibrator through the controller 5. Among them, the working parameters and the preset working time of the vacuum pump 4 and the vibrator are set through the controller 5.

[0045] Among them, the preset working time is the preset air extraction time of the vacuum pump 4 and also the preset vibration time of the vibrator.

[0046] Step 1007: When the working time reaches the preset working time, the vacuum pump 4 stops air extraction, the vibrator stops vibrating, and the vacuum pump 4 switches to the ventilation state.

[0047] Among them, the working time is the air extraction time of the vacuum pump 4 and also the vibration time of the vibrator.

[0048] Step 1008: When the normal air pressure is restored in the liquid storage cavity 10, operate the holding member 23 to open the upper cover 12, and operate the holding member 23 to slowly lift the moving bracket 2 so that the filling liquid in the moving bracket 2 flows out sufficiently, and completely separate the moving bracket 2 from the box body 11.

[0049] It can be understood that for the filling process of the sample, after step 8 in the above method, it further includes putting the moving bracket 2 carrying the sample into an oven for drying.

[0050] It should be noted that the description and drawings of the present utility model provide preferred embodiments of the present utility model. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described in this specification. These embodiments do not serve as additional limitations to the content of the present utility model. The purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Moreover, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as within the scope described in the description of the present utility model. Further, for those of ordinary skill in the art, improvements or transformations can be made based on the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of the present utility model.

Claims

1. A filling device, characterized in that, including a housing provided with a liquid storage tank for containing a filling liquid; a moving bracket disposed inside the housing for carrying a sample, the moving bracket being movable relative to the housing to immerse or separate the sample from the filling liquid; a vibration assembly connected to the housing for driving the housing to vibrate so that the filling liquid enters the sample.

2. The filling device according to claim 1, wherein the housing includes a box body and an upper cover, the box body is provided with the liquid storage tank, the upper cover is movably connected to the box body, and the upper cover is used to cover the liquid storage tank to form a liquid storage cavity; the filling device further includes a vacuum pump connected to the liquid storage cavity, and the vacuum pump is used to pump air from the liquid storage cavity.

3. The filling device according to claim 2, wherein the box body includes a side wall and a bottom wall connected to the side wall, the side wall and the bottom wall together enclose the liquid storage tank, the shape of the bottom wall is funnel-shaped, and along the direction from the notch to the bottom of the liquid storage tank, the cross-sectional area of the bottom wall of the box body gradually becomes smaller.

4. The filling device according to claim 2, wherein a drain pipe is connected to the bottom wall of the box body, the drain pipe communicates with the liquid storage tank, and the drain pipe is provided with a valve for controlling the opening and closing of the drain pipe.

5. The filling device according to claim 2, characterized in that , The moving bracket includes a receiving box, the receiving box includes a box body, a bottom plate and a holding member, the box body is provided with a box cavity penetrating through the box body, the holding member is disposed at one end of the box body, the bottom plate is disposed at the other end of the box body, when the sample is received in the box cavity, the bottom plate carries the sample, and the bottom plate is provided with a plurality of uniformly distributed through holes for allowing the filling liquid to flow between the box cavity and the liquid storage tank.

6. The filling device according to claim 5, wherein the bottom plate is spaced from the bottom of the liquid storage tank, and the bottom plate extends with support columns.

7. The filling device according to claim 5, wherein the holding member is disposed on the end face of one end of the box body, and the holding member is located on the axis of symmetry of the end face of one end of the box body.

8. The filling device according to any one of claims 2-5, characterized in that , The vibration assembly includes a vibration platform and a vibrator, the vibrator is disposed inside the vibration platform, and the vibration platform is connected to the housing.

9. The filling device according to claim 2, wherein the upper cover is provided with a sealing ring for sealing the gap between the upper cover and the box body.

10. The filling device according to claim 8, wherein the filling device further includes a controller electrically connected to the vibrator and the vacuum pump respectively.

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