Vacuumizing device of vacuum coating machine

By employing a dual-layer filter structure and a motor-driven automatic switching system in the vacuum coating machine, the problem of filter unit clogging or damage is solved, ensuring the smooth progress of the coating process, protecting the vacuum pump, and improving the reliability and service life of the equipment.

CN223983722UActive Publication Date: 2026-03-10SHANDONG BEDITH VACUUM TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In existing vacuum coating machines, the filter unit is prone to clogging or damage and cannot be replaced in time, leading to coating failure and vacuum pump damage.

Method used

A vacuum pumping device for a vacuum coating machine was designed, which adopts a double-layer filter structure. The sealing column is driven by a motor to rotate and automatically switch the filter channel to avoid clogging or damage. The filter includes a stainless steel wire mesh and a polytetrafluoroethylene microporous filter membrane. Automatic replacement is achieved with the help of wireless sensors and a control system.

Benefits of technology

It effectively avoids clogging or damage to the filter unit, ensures the smooth progress of the coating process, protects the vacuum pump, and improves the reliability and service life of the equipment.

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Abstract

The utility model relates to the technical field of film plating machine vacuumizing, and discloses a vacuumizing device of a vacuum film plating machine, which comprises a film plating machine body and a vacuum pump body, a connecting pipe is connected between the vacuum pump body and the film plating machine body, a filter cavity is arranged on the connecting pipe, a sealing column is arranged in the filter cavity, a threaded hole is arranged in the sealing column, and the vacuum pump body is arranged in the threaded hole. A threaded pipe is arranged in the threaded hole, a first filter element is arranged in the threaded pipe, a second filter element is arranged on one side of the first filter element, a first main control circuit board is installed in the end, away from the threaded pipe, of the threaded hole, a sealing cover is arranged on the filter cavity, a motor is installed on the sealing cover, and a second main control circuit board is arranged on one side of the motor. When the filtering unit in one threaded hole is damaged, the motor drives the sealing column to rotate, so that the other longitudinal threaded hole rotates to the transverse direction, and a new filtering channel is opened.
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Description

Technical Field

[0001] This utility model relates to the field of vacuum coating machine technology, specifically a vacuum coating machine vacuum device. Background Technology

[0002] A vacuum coating machine is a device that deposits materials onto the surface of a substrate to form a thin film in a high vacuum environment using physical or chemical methods. The vacuum pumping device is the core component that ensures the coating process is carried out in a high vacuum environment, and its performance directly affects the coating quality.

[0003] Vacuum coating machines often contain a significant amount of metal or ceramic dust. This dust can easily cause wear or damage to the vacuum pump during operation, affecting its performance. Traditional vacuum systems incorporate a filter unit within the pipe connecting the vacuum coating machine and the vacuum pump to filter the dust during the vacuuming process. However, most common filter units are single-layer filters. If the filter becomes clogged or damaged while the vacuum pump is running, it cannot be replaced promptly, and shutting down the vacuum pump can easily lead to coating failure. Therefore, those skilled in the art have provided a vacuuming device for a vacuum coating machine to address the problems mentioned in the background section. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a vacuum pumping device for a vacuum coating machine. This addresses the problem that most common vacuum pumping devices use single-layer filters, which cannot be replaced in time if the filter becomes clogged or damaged while the vacuum pump is operating. Turning off the vacuum pump can easily lead to coating failure.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vacuum pumping device for a vacuum coating machine, comprising a coating machine body and a vacuum pump body, wherein a connecting pipe connects the vacuum pump body and the coating machine body, a filter chamber is provided on the connecting pipe, a sealing column is provided in the filter chamber, a threaded hole is provided in the sealing column, a threaded tube is provided in the threaded hole, a first filter element is provided in the threaded tube, a second filter element is provided on one side of the first filter element, a first main control circuit board is installed in the end of the threaded hole away from the threaded tube, the first main control circuit board includes a wireless transmission unit and a particulate matter detection unit, a sealing cover is provided on the filter chamber, a motor is installed on the sealing cover, a second main control circuit board is provided on one side of the motor, the second main control circuit board includes a wireless receiving unit and a motor control unit.

[0008] Preferably, the sealing cap is threaded to the top of the filter chamber.

[0009] Preferably, the lower output end of the motor is driven to connect to the sealing column.

[0010] Preferably, there are two threaded holes, which are staggered vertically. When the particulate sensor in the first main control circuit board detects that there are still particulate impurities in the filtered air, the wireless transmission unit sends an alarm to the remote control terminal. The remote control terminal sends a control command to the second main control circuit board on the sealing cover. The second main control circuit board includes a wireless receiving unit and a motor control component. By receiving the control command, the motor is started to rotate, thereby driving the sealing column to rotate, which causes the other vertical threaded hole to rotate to the horizontal position, opening a new filtration channel. This avoids problems such as clogging or damage to the filter unit, which could lead to coating failure of the coating machine and wear or damage to the vacuum pump.

[0011] Preferably, the threaded tube is threadedly connected to the threaded hole, and a lever is installed at one end of the threaded tube to rotate and replace the threaded tube in the threaded hole inside the sealing column.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, the present invention provides a vacuum pumping device for a vacuum coating machine, which has the following beneficial effects:

[0014] Through design, the vacuum coating machine of this utility model has a vacuum pumping device consisting of a coating machine body and a vacuum pump body. The coating machine body and the vacuum pump body are connected by a connecting pipe. A filter chamber is set in the middle of the connecting pipe. A sealing cap is threaded to the top of the filter chamber. A sealing column is set inside the filter chamber. Two threaded holes are opened vertically and vertically in the sealing column. A threaded tube is threaded to each threaded hole. A first filter element and a second filter element are arranged in sequence in the threaded tube. When the filter unit in one of the threaded holes is damaged, the motor drives the sealing column to rotate, thereby rotating the other vertical threaded hole to the horizontal, opening a new filter channel. This avoids the problems of coating failure caused by filter unit blockage or damage, as well as wear or damage to the vacuum pump. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the vacuum pumping device of a vacuum coating machine provided in an embodiment of this application.

[0016] Figure 2 This is a cross-sectional view of the connecting pipe in the vacuum pumping device of a vacuum coating machine provided in an embodiment of this application.

[0017] Figure 3 This is an exploded view of the vacuum pumping device of a vacuum coating machine provided in an embodiment of this application.

[0018] In the diagram: 1. Coating machine body; 2. Vacuum pump body; 3. Connecting pipe; 4. Filter chamber; 5. Sealing cover; 6. Motor; 7. Sealing column; 701. Threaded hole; 8. Threaded pipe; 801. First filter element; 802. Second filter element; 803. Toggle lever; 9. First main control circuit board; 10. Second main control circuit board. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] This utility model provides a technical solution: a vacuum pumping device for a vacuum coating machine. Please refer to [link / reference]. Figure 1 , Figure 2 , Figure 3 The system includes a coating machine body 1 and a vacuum pump body 2. A connecting pipe 3 connects the vacuum pump body 2 and the coating machine body 1. A filter chamber 4 is provided on the connecting pipe 3. A sealing column 7 is provided in the filter chamber 4. A threaded hole 701 is opened in the sealing column 7. A threaded tube 8 is provided in the threaded hole 701. A first filter element 801 is provided in the threaded tube 8. A second filter element 802 is provided on one side of the first filter element 801. A first main control circuit board 9 is installed in the end of the threaded hole 701 away from the threaded tube 8. The first main control circuit board 9 includes a wireless transmission unit and a particulate matter detection unit. A sealing cover 5 is provided on the filter chamber 4. The sealing cover 5 is threadedly connected to the top of the filter chamber 4. A motor 6 is installed on the sealing cover 5. The lower output end of the motor 6 is driven and connected to the sealing column 7. A second main control circuit board 10 is provided on one side of the motor 6. The second main control circuit board 10 includes a wireless receiving unit and a motor control unit.

[0021] Please see Figure 1 , Figure 2 , Figure 3There are two threaded holes 701, which are staggered vertically. When the particulate sensor in the first main control circuit board 9 detects that there are still particulate impurities in the filtered air, the wireless transmission unit sends an alarm to the remote control terminal. The remote control terminal sends a control command to the second main control circuit board 10 on the sealing cover 5. The second main control circuit board 10 includes a wireless receiving unit and a motor 6 control component. By receiving the control command, the motor 6 is started to rotate, thereby driving the sealing column 7 to rotate, so that the other vertical threaded hole 701 rotates to the horizontal, opening a new filter channel. This avoids the problem of the filter unit being blocked or damaged, which would lead to the coating failure of the coating machine and the wear or damage of the vacuum pump. The threaded tube 8 is threadedly connected to the threaded hole 701. A lever 803 is installed at one end of the threaded tube 8. The threaded tube 8 in the threaded hole 701 in the sealing column 7 can be rotated and replaced by lever 803.

[0022] The vacuum coating machine of this utility model has a vacuum pumping device consisting of a coating machine body 1 and a vacuum pump body. The coating machine body 1 and the vacuum pump body 2 are connected by a connecting pipe 3. A filter chamber 4 is provided in the middle of the connecting pipe 3. The filter chamber 4 is cylindrical. A sealing cap 5 is threaded to the top of the filter chamber 4. A sealing column 7 is provided inside the filter chamber 4. Two threaded holes 701 are opened alternately in the sealing column 7. A threaded tube 8 is threaded to each threaded hole 701. The threaded tube 8 faces the end of the coating machine body 1. A lever 803 is installed, and a first filter element 801 and a second filter element 802 are sequentially arranged inside the threaded tube 8. The first filter element 801 is a stainless steel wire mesh with a pore size of 1-2 mm, used to filter large particulate impurities. The second filter element 802 is a polytetrafluoroethylene microporous filter membrane with a pore size of 0.1-0.5 μm, used to filter small particles. A first main control circuit board 9 is installed in the threaded tube 8 near the second filter element 802, and the first main control circuit board 9 includes components such as a particulate sensor and a wireless transmission unit.

[0023] A motor 6 and a second main control circuit board 10 are installed on the sealing cover 5. The second main control circuit board 10 contains a wireless receiving unit and a motor 6 control component.

[0024] When the particulate sensor in the first main control circuit board 9 detects that there are still particulate impurities in the filtered air, the wireless transmission unit sends an alarm to the remote control terminal, and the remote control terminal sends a control command to the second main control circuit board 10 on the sealing cover 5. The second main control circuit board 10 includes a wireless receiving unit and a motor 6 control component. By receiving the control command, the motor 6 is started to flip, thereby driving the sealing column 7 to rotate, thereby causing another longitudinal threaded hole 701 to rotate to the lateral direction, opening a new filter channel, avoiding the problem of filter unit blockage or damage leading to coating failure of the coating machine and wear or damage of the vacuum pump.

[0025] After the coating is completed, the equipment can be turned off, the sealing cover 5 can be opened, the sealing column 7 can be taken out, and the threaded tube 8 in the threaded hole 701 of the sealing column 7 can be replaced by using the lever 803.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] In this document, unless otherwise expressly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise expressly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum pumping device of a vacuum coating machine, comprising a coating machine body (1) and a vacuum pump body (2), a connecting pipe (3) being connected between the coating machine body (1) and the vacuum pump body (2), characterized in that: The connecting pipe (3) is provided with a filter cavity (4), the filter cavity (4) is provided with a sealing column (7), the sealing column (7) is provided with a threaded hole (701), the threaded hole (701) is provided with a threaded pipe (8), the threaded pipe (8) is provided with a first filter core (801), one side of the first filter core (801) is provided with a second filter core (802), a first main control circuit board (9) is installed in the threaded hole (701) away from the threaded pipe (8), the first main control circuit board (9) includes a wireless transmission unit and a particulate matter detection unit, the filter cavity (4) is provided with a sealing cover (5), the sealing cover (5) is provided with a motor (6), one side of the motor (6) is provided with a second main control circuit board (10), the second main control circuit board (10) includes a wireless receiving unit and a motor control unit.

2. The vacuum pumping device of claim 1, wherein: The sealing cover (5) is threadedly connected with the top end of the filter cavity (4).

3. The vacuum pumping device of claim 1, wherein: The lower output end of the motor (6) is drivingly connected with the sealing column (7).

4. The vacuum evacuating device of claim 1, wherein: The threaded pipe (8) is threadedly connected with the threaded hole (701).

5. The vacuum evacuating device of a vacuum coating machine according to claim 1, wherein: The threaded hole (701) is provided with two, and the two threaded holes (701) are staggered up and down.

6. The vacuum pumping device of claim 1, wherein: One end of the threaded pipe (8) is provided with a lever (803).