WO2021142810A1

WO2021142810A1 - Impregnation device

Info

Publication number: WO2021142810A1
Application number: PCT/CN2020/072878
Authority: WO
Inventors: 眭柏林; 杨君成; 余传
Original assignee: 诚捷智能装备(东莞)有限公司
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2021-07-22
Also published as: KR20210093747A; KR102380288B1; CN111295728B; CN111295728A

Abstract

An impregnation device (10) for impregnating capacitor core packages (20), comprising: an impregnation cylinder (100) that has a first cavity and an impregnation cavity (110) accommodated in the first cavity and comprises an outer cylinder (120) and a first driving assembly (130), the outer cylinder (120) comprising a first housing (121) and a second housing (122) that are openable and closable, and the first driving assembly (130) being configured to control the opening and closing of the first housing (121) and the second housing (122) in a first direction; a first transfer mechanism (200) for transferring the capacitor core packages (20) between the first housing (121) and the second housing (122) to make the capacitor core packages be accommodated in the impregnation cavity (110), the impregnation cavity (110) matching the arrangement of the capacitor core packages (20) between the first housing (121) and the second housing (122); a conveying mechanism (300) for controlling electrolyte to flow into or out of the impregnation cavity (110); and a pressure mechanism (400) for changing the pressure in the impregnation cavity (110). In the impregnation device (10), the provision of the impregnation cavity (110) matching the arrangement of the capacitor core packages (20) enables the completion of the impregnation process, reduces the space for storing electrolyte, and improves the utilization rate of the electrolyte.

Description

Impregnation device

Technical field

This application relates to the field of capacitor production equipment, and in particular to an impregnation device.

Background technique

In the capacitor production process, impregnation is one of the important processes. The impregnation process needs to select different electrolytes according to the types of capacitor core packages, and then the capacitor core packages are completely immersed in an impregnation cylinder that stores the electrolyte, and then taken out after being immersed for a period of time.

technical problem

The traditional impregnation tank is large in size and requires a large amount of electrolyte to be stored in the impregnation tank. However, the distribution size of the capacitor core package immersed in the electrolyte is much smaller than the size of the impregnation tank, resulting in extremely low electrolyte utilization and different problems. When different types of capacitor core packages are impregnated, it takes a long time to replace the electrolyte, which seriously affects the production efficiency of the capacitor.

Technical solutions

The purpose of this application is to provide an impregnation device in the capacitor production process, especially in the impregnation process, so as to solve the technical problem of extremely low electrolyte utilization in the impregnation process.

In order to achieve the above objectives, the technical means adopted in this application are as follows:

An impregnation device used for the impregnation of capacitor cores, comprising:

The impregnation cylinder has a first cavity and an impregnation cavity contained in the first cavity. The impregnation cylinder includes an outer cylinder and a first drive assembly. The outer cylinder includes a first housing and a second housing that are opened and closed. Housing, the first drive assembly is used to control the opening and closing of the first housing and the second housing in a first direction, and the first cavity passes through the first housing and the second housing The shell is closed and formed;

The first transfer mechanism is used to transfer the capacitor core package to between the first shell and the second shell so as to be contained in the impregnation cavity, and the impregnation cavity is different from the one located in the first shell. The distribution of the capacitor core packages between the casing and the second casing matches;

A conveying mechanism for controlling the electrolyte to enter and exit the impregnation chamber; and

The pressure mechanism is used to change the pressure in the impregnation cavity.

Beneficial effect

Implementing the embodiments of this application will have the following beneficial effects:

The above-mentioned impregnation device, through the impregnation cavity matched with the distribution of the capacitor core package, ensures that the impregnation process is completed, the space for storing the electrolyte is reduced, the utilization rate of the electrolyte is improved, and the electrolyte is controlled by the conveying mechanism The time for entering and exiting the impregnation cavity is also shortened due to the smaller volume of the impregnation cavity, which improves the production efficiency of the capacitor.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

in:

Fig. 1 is a schematic diagram of the spatial structure of an impregnation device in an embodiment.

Fig. 2 is a front view of the impregnation device shown in Fig. 1.

Fig. 3 is a schematic diagram of an enlarged structure of part A in Fig. 2.

Fig. 4 is a schematic diagram of an enlarged structure of part B in Fig. 2.

Fig. 5 is a rear view of the impregnation device shown in Fig. 1.

Fig. 6 is a side view of the impregnation device shown in Fig. 1.

FIG. 7 is a schematic diagram of an enlarged structure of part C in FIG. 6.

Fig. 8 is a bottom view of the impregnation device shown in Fig. 1 with the bottom plate removed.

FIG. 9 is a schematic diagram of the structure of the first driving assembly in the impregnation device shown in FIG. 1.

Fig. 10 is a schematic diagram of the spatial structure of the inner cylinder in the impregnation device shown in Fig. 1.

Fig. 11 is a top view of the inner cylinder in the impregnation device shown in Fig. 1.

Fig. 12 is a cross-sectional view taken along the line D-D in Fig. 11.

Fig. 13 is a cross-sectional view taken along the line E-E in Fig. 11.

Fig. 14 is a schematic diagram of an enlarged structure of part F in Fig. 13.

Fig. 15 is a schematic diagram of the assembly structure of the first housing, the inner cylinder, and the second drive assembly in the impregnation device shown in Fig. 1.

Fig. 16 is a partial enlarged schematic diagram of the conveying chain in the impregnation device shown in Fig. 1.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

1 to 16 together, the impregnation device 10 provided in the present application will now be described. The impregnation device 10 provided in the embodiment of the present application is used for the impregnation of the capacitor core package 20. Specifically, an impregnation device 10 includes: an impregnation cylinder 100, a first conveying mechanism 200, a conveying mechanism 300, and a pressure mechanism 400. The impregnation cylinder 100 has a first cavity and an impregnation cavity 110 contained in the first cavity. The impregnation cylinder 100 includes an outer cylinder 120 and a first driving assembly 130. The outer cylinder 120 includes a first housing 121 and a second housing 122 that are opened and closed. The first driving assembly 130 is used to control the opening and closing of the first housing 121 and the second housing 122 in the first direction. The first cavity is formed by closing the first housing 121 and the second housing 122. In this embodiment, the first direction is parallel to the direction indicated by the arrow X in FIG. 1.

Further, the first transfer mechanism 200 is used to transfer the capacitor core package 20 between the first shell 121 and the second shell 122 so as to be able to be contained in the impregnation cavity 110. The impregnation cavity 110 matches the distribution of the capacitor core package 20 between the first shell 121 and the second shell 122. The conveying mechanism 300 is used to control the electrolyte into and out of the impregnation chamber 110. Since the size of the impregnation cavity 110 is related to the distribution of the capacitor core package 20, the space for storing the electrolyte, that is, the volume of the impregnation cavity 110, can be reduced under the condition that the impregnation process is satisfied, and the utilization rate of the electrolyte is improved. The time for the conveying mechanism 300 to control the electrolyte into and out of the impregnation cavity 110 is also shortened due to the small volume of the impregnation cavity 110, which improves the production efficiency of the capacitor. When the electrolyte needs to be replaced, the electrolyte source connected to the conveying mechanism 300 can be replaced. The pressure mechanism 400 is used to change the pressure in the impregnation chamber 110. The first transfer mechanism 200 transfers the capacitor core package 20 between the first case 121 and the second case 122. The first drive assembly 130 controls the first housing 121 and the second housing 122 to close in the first direction, so that the capacitor core package 20 is located in the first cavity so as to be contained in the impregnation cavity 110. After that, the conveying mechanism 300 moves to the impregnation cavity. Electrolyte is passed through 110, and the pressure mechanism 400 pressurizes the first cavity for impregnation. After the impregnation is completed, the transport mechanism 300 retracts the electrolyte in the impregnation cavity 110, and the pressure of the first cavity is relieved by the pressure mechanism 400. The first driving assembly 130 controls the first housing 121 and the second housing 122 to open in the first direction. The first transfer mechanism 200 removes the capacitor core package 20 and transfers another capacitor core package 20 between the first case 121 and the second case 122 for an impregnation process.

Specifically, the impregnation device 10 further includes a second driving assembly 500 and an inner cylinder 140 housed in the first cavity. The inner cylinder 140 has a groove with an upward opening to form the impregnation cavity 110. The second driving assembly 500 drives the inner cylinder 140 in the second direction, so that the capacitor core package 20 located between the first housing 121 and the second housing 122 can be accommodated in the impregnation cavity 110. In this embodiment, the second direction is parallel to the direction indicated by the arrow Z in FIG. 1.

Please combine FIG. 1 to FIG. 3 and FIG. 15 together. The second driving assembly 500 includes a first guide post 510 and a second guide post 520. The first housing 121 is provided with a first through hole 1211 and a second through hole 1212. The first guide post 510 extends from the first through hole 1211 to the first cavity to be connected with the inner cylinder 140. The first guide post 510 can slide relative to the first through hole 1211 in the second direction. There is a sliding seal between the first guide post 510 and the first through hole 1211. The second guide post 520 extends from the second through hole 1212 to the first cavity and is connected to the inner cylinder 140. The second guide post 520 can slide relative to the second through hole 1212 in the second direction. There is a sliding seal between the second guide post 520 and the second through hole 1212. The second driving assembly 500 further includes a screw motor 530. The output end of the screw motor 530 drives the first guide post 510 and the second guide post 520 to move in the second direction through the first sliding block 540, and then drives the inner cylinder 140 to move in the second direction. Specifically, a connecting plate 141 is provided on the inner cylinder 140. The connecting plate 141 is provided with a first connecting hole 1411 connected with the first guide post 510 and a second connecting hole 1412 connected with the second guide post 520. The impregnation device 10 further includes a base 600. The base 600 includes a top plate 610 and a bottom plate 620. The top plate 610 and the bottom plate 620 are connected by a post 630. The screw motor 530 is arranged on the first housing 121 through the motor base 550. The motor base 550 is provided with a first sliding path that cooperates with the first sliding block 540. It can be understood that in other embodiments, the screw motor 530 can also be replaced by a hydraulic cylinder or a pneumatic cylinder. As shown in FIG. 15, the inner cylinder 140 is detachably connected to the first guide post 510 and the second guide post 520. Specifically, the inner cylinder 140 is detachably connected to the first guide post 510 and the second guide post 520 through the connection buckle 560.

Please combine FIG. 1, FIG. 2 and FIG. 5 together. The pressure mechanism 400 includes a vacuum device 410, a filter 420, a first valve 430, and a first pipeline connected to the first cavity in sequence. The first guide column 510 is a hollow structure to form a first pipeline. The filter 420 is provided with a filter net. When the pressure is relieved, the filter screen effectively filters the electrolyte in the gas and prevents the electrolyte from entering the vacuum device 410. In this embodiment, the first valve 430 is a first solenoid valve 430. The pressure in the impregnation chamber 110 is changed by the switching of the first solenoid valve 430. The pipeline between the filter 420 and the first valve 430 is not shown. As shown in FIG. 12, the first pipe has a communication hole. The first cavity is in communication with the first pipeline through the communication hole. The communicating hole is located below the notch of the groove. In this embodiment, the first connecting hole 1411 is a through hole, so that the first pipe route passes through the upper end of the first connecting hole 1411 so that the connecting hole is located at the lower end of the first connecting hole 1411.

Please combine FIG. 1, FIG. 2, FIG. 5 and FIG. 6 together. The impregnation device 10 further includes a liquid storage tank 700. The electrolyte delivery mechanism 300 includes a second valve 310 and a second pipeline communicating with the impregnation chamber 110. The liquid storage tank 700 communicates with the second pipeline through the second valve 310. The second guide column 520 is a hollow structure to form a second pipeline. In this embodiment, the second valve 310 is a second solenoid valve 310. The electrolyte is controlled to enter and exit the impregnation chamber 110 through the switching of the second solenoid valve 310. Please also refer to FIG. 10 to FIG. 14, a partition 111 is provided in the impregnation chamber 110. A plurality of third through holes 1111 are uniformly provided on the partition 111. The second cavity 112 is formed between the bottom of the impregnation cavity 110 and the partition 111. The second pipeline communicates with the impregnation cavity 110 through the second cavity 112 and the third through hole 1111. The electrolyte in the liquid storage tank 700 enters the second cavity 112 through the second solenoid valve 310 and the second pipeline, and flows from the third through hole 1111 to the capacitor core package 20.

Please combine FIGS. 1, 2, and 5 to 7 together. The impregnation device 10 also includes a plurality of locks 800 for clamping the closed first housing 121 and the second housing 122. Specifically, the lock catch 800 can move in a direction perpendicular to the first direction to clamp the closed first housing 121 and the second housing 122. The lock 800 includes a first bracket 810, a first roller 820 and a second roller 830. The first roller 820 and the second roller 830 are oppositely arranged on the first bracket 810 in parallel to the first direction. During the clamping process, the first roller 820 can roll relative to the first housing 121. The second roller 830 can roll relative to the first housing 121. In order to make the clamping process and the loosening process smoother. The lock 800 can be driven by a first air cylinder 840 or multiple first air cylinders 840 can be driven by one first air cylinder 840 at the same time to move in a direction perpendicular to the first direction to clamp the closed first housing 121 and the second housing 122. In this embodiment, the lock buckle 800 includes eight and is arranged opposite to each other above and below the outer cylinder 120. The four lock catches 800 located below are connected to a connecting platform through a first bracket 810 and are driven by two first air cylinders 840 fixed on the bottom plate 620. The four lock catches 800 located above are driven by the same first air cylinder 840 fixed on the top plate 610 in pairs in pairs.

Referring to FIGS. 1 to 4 and 9 together, the first driving assembly 130 includes a first driving unit 131, a first driving block 132, a first connecting rod 133, a second connecting rod 134 and a fixing block 135. The first driving block 132 is provided with a first hinge point 1321, a second hinge point 1322, a third hinge point 1323, and a fourth hinge point 1324. The first hinge points 1321, the second hinge points 1322, and the third hinge points 1323 are distributed in a triangle shape, and the fourth hinge points 1324 are located in the triangle. The output end of the first driving unit 131 is hinged with the first hinge point 1321. The fixing block 135 is hinged to the fourth hinge point 1324. The first driving unit 131 can drive the first driving block 132 to rotate around the fourth hinge point 1324. Both ends of the first connecting rod 133 are hinged to the second hinge point 1322 and the first housing 121 respectively. The first connecting rod 133 rotates with the first driving block 132 to drive the first housing 121 to move in the first direction. Specifically, the first connecting rod 133 and the motor base 550 are hinged through the first ear plate 551. Two ends of the second link 134 are hinged to the third hinge point 1323 and the second housing 122 respectively. The second connecting rod 134 rotates with the first driving block 132 to drive the second housing 122 to move in the first direction. Specifically, the second connecting rod 134 and the second housing 122 are hinged through the second ear plate 1221. As shown in FIGS. 4 and 7, the lower surface of the top plate 610 is also provided with a second slideway 611 extending in the first direction. The first housing 121 is slidably connected to the second slideway 611 through the second sliding block 1213. The second housing 122 is slidably connected to the second slideway 611 through the third sliding block 1222.

As shown in FIGS. 1, 7, 8 and 16, the first transmission mechanism 200 includes a transmission chain 210, a driven wheel 220 and a driving wheel 230. In this embodiment, the first transmission mechanism 200 includes a plurality of driven wheels 220 and two driving wheels 230 driven by a turbine reducer 240. The distribution of the driven wheel 220 and the driving wheel 230 defines the conveying route of the conveying chain 210. The position of at least one driven wheel 220 can be moved to adjust the tension of the transmission chain 210. The conveying chain 210 is provided with a plurality of clip groups, and the clip group includes a plurality of clips 211 for clamping the capacitor core package 20. Both ends of the clip group are provided with terminals 212 on the conveying chain. Each clip group can be conveyed by the conveying chain 210 and arranged between the first housing 121 and the second housing 122 in a direction perpendicular to the first direction. In this way, the capacitor core packages 20 located between the first case 121 and the second case 122 are distributed along a direction perpendicular to the first direction. The impregnation cavity 110 is in the shape of a flat strip matching the above-mentioned distribution. The first housing 121 and the second housing 122 are provided with notches 1223 for mating with the terminals 212. The width of the impregnation cavity 110 along the first direction matches the capacitor core package 20. The length of the impregnation cavity 110 perpendicular to the first direction matches the distribution length of the capacitor core package 20. In this way, the capacitor core package 20 transferred between the first casing 121 and the second casing 122 can all be accommodated in the impregnation cavity 110, which improves the utilization rate of the electrolyte. As shown in FIG. 7, the notch 1223 is provided to cooperate with the terminal 212, so that the closing of the first housing 121 and the second housing 122 is not hindered by the transmission chain 210, and a better sealing performance has been achieved. The impregnation device 10 also includes a counting device. The counting device is used to record the number of capacitor core packs 20 entering the clip group between the first casing 121 and the second casing 122 to control the position of the electrolyte liquid level in the impregnation cavity 110 relative to the capacitor core pack 20. This can be achieved by controlling the amount of electrolyte added or by changing the rising height of the inner cylinder 140. In this embodiment, the position of the electrolyte level in the impregnation cavity 110 relative to the capacitor core package 20 is controlled by changing the rising height of the inner cylinder 140. When the number of capacitor core packs 20 is less than the set value, by raising the inner cylinder 140 to make the electrolyte level meet the impregnation process, it is ensured that the capacitor core pack 20 can be impregnated.

The above-disclosed are only preferred embodiments of this application, and of course the scope of rights of this application cannot be limited by this. Therefore, equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

An impregnation device used for the impregnation of capacitor cores, characterized in that it comprises:

The impregnation cylinder has a first cavity and an impregnation cavity contained in the first cavity. The impregnation cylinder includes an outer cylinder and a first drive assembly. The outer cylinder includes a first housing and a second housing that are opened and closed. Housing, the first drive assembly is used to control the opening and closing of the first housing and the second housing in a first direction, and the first cavity passes through the first housing and the second housing The shell is closed and formed;

The first transfer mechanism is used to transfer the capacitor core package to between the first shell and the second shell so as to be contained in the impregnation cavity, and the impregnation cavity is different from the one located in the first shell. The distribution of the capacitor core packages between the casing and the second casing matches;

A conveying mechanism for controlling the electrolyte to enter and exit the impregnation chamber; and

The pressure mechanism is used to change the pressure in the impregnation cavity.
The impregnation device according to claim 1, wherein the impregnation device further comprises a second drive assembly and an inner cylinder housed in the first cavity, and the inner cylinder has a groove with an opening facing upward to form In the impregnation cavity, the second drive assembly drives the inner cylinder in a second direction, so that the capacitor core package located between the first housing and the second housing can be accommodated in the impregnation Cavity.
The impregnation device according to claim 2, wherein the second drive assembly comprises a first guide post and a second guide post, and the first housing is provided with a first through hole and a second through hole, The first guide post extends from the first through hole to the first cavity to be connected to the inner cylinder, and the first guide post can slide along the second direction relative to the first through hole , The second guide post extends from the second through hole to the first cavity and is connected to the inner cylinder, and the second guide post can be opposed to the second through hole along the second direction slide.
The impregnation device according to claim 3, wherein the inner cylinder is detachably connected to the first guide post and the second guide post.
The impregnation device according to claim 3, wherein the pressure mechanism comprises a vacuum device, a filter, a first valve, and a first pipeline communicating with the first cavity in sequence, and the first The guide column is a hollow structure to form the first pipeline.
The impregnation device according to claim 5, wherein the first pipeline has a communication hole, the first cavity communicates with the first pipeline through the communication hole, and the communication hole is located at the Below the notch of the groove.
The impregnation device according to claim 3, wherein the impregnation device further comprises a liquid storage tank, the electrolyte delivery mechanism comprises a second valve and a second pipeline communicating with the impregnation cavity, and the storage The liquid tank communicates with the second pipeline through the second valve, and the second guide column is a hollow structure to form the second pipeline.
The impregnation device according to claim 7, wherein a partition is provided in the impregnation chamber, a plurality of third through holes are uniformly provided on the partition, and the groove bottom of the impregnation chamber is connected to the partition. A second cavity is formed between the plates, and the second pipeline communicates with the impregnation cavity through the second cavity and the third through hole.
The impregnation device according to any one of claims 1-8, wherein the impregnation device further comprises a plurality of devices for clamping the closed first shell and the second shell Of the lock.
The impregnation device according to claim 9, wherein the lock catch can move in a direction perpendicular to the first direction to clamp the closed first shell and the second shell;

The lock buckle includes a first bracket, a first roller and a second roller, and the first roller and the second roller are oppositely arranged on the first support in parallel to the first direction;

During the clamping process, the first roller can roll relative to the first housing, and the second roller can roll relative to the first housing.
The impregnation device according to claim 10, wherein the first driving assembly comprises a first driving unit, a first driving block, a first connecting rod, a second connecting rod and a fixing block;

The first driving block is provided with a first hinge point, a second hinge point, a third hinge point, and a fourth hinge point. The first hinge point, the second hinge point and the third hinge point are Distributed in a triangle and the fourth hinge points are located in the triangle;

The output end of the first driving unit is hinged to the first hinge point, the fixed block is hinged to the fourth hinge point, and the first driving unit can drive the first driving block around the fourth hinge point. Hinge point rotation;

Both ends of the first connecting rod are hinged to the second hinge point and the first housing respectively, and the first connecting rod rotates with the first driving block to drive the first housing along the Said moving in the first direction;

Both ends of the second connecting rod are hinged with the third hinge point and the second housing respectively, and the second connecting rod can drive the second housing along the rotation direction of the first driving block. The first direction of movement.
The impregnation device according to claim 11, wherein the first transmission mechanism comprises a transmission chain, a driven wheel and a driving wheel;

The transmission chain is provided with a plurality of clamp groups, the clamp group includes a plurality of clamps for clamping the capacitor core package, and both ends of the clamp group are provided with terminals on the transmission chain;

Each of the clip groups can be conveyed by the conveying chain and arranged between the first housing and the second housing in a direction perpendicular to the first direction, so as to be located between the first housing and the second housing. The capacitor core packages between the second shells are distributed along a direction perpendicular to the first direction, and the impregnation cavity is in the shape of a flat strip matching the distribution;

The first housing and the second housing are provided with notches for mating with the terminals.
The impregnation device according to claim 12, wherein the impregnation device further comprises a counting device, and the counting device is used to record the clip entering between the first housing and the second housing The number of the capacitor core packages on the group is used to control the position of the electrolyte liquid level in the impregnation cavity relative to the capacitor core packages.
The impregnation device according to claim 13, wherein the position of at least one of the driven wheels is movable to adjust the tension of the conveying chain.