Vacuum pump with filter for vacuum furnace

Abstract

The utility model provides a vacuum pump with a filter for a vacuum furnace, belongs to the field of vacuum pump filtration, and aims to solve the problem that the uniformity of gas emission is inconvenient to improve. The vacuum pump comprises an upper shell, a lower shell is connected to the upper shell through bolts, a mounting frame is fixedly connected to the upper shell, and a spring is fixedly connected to the interior of the mounting frame; the other end of the spring is fixedly connected with a limiting plate, the limiting plate is fixedly connected with a check block, and the limiting plate is fixedly connected with a pulling plate. The device is provided with a conveying pipe; when gas is conveyed, the conveying pipe can be connected with a gas supply pipe, when the gas is conveyed, the continuous S-shaped conveying pipe can uniformly discharge gas through a plurality of formed gas discharge holes, the gas discharge area is increased, the situation that the gas is intensively discharged to affect the water treatment effect is avoided, and when the gas is discharged, the discharged gas can be guided through a guide plate, so that the water treatment effect is improved. The time of the gas staying in the water is prolonged, and dust in the gas is uniformly treated and adsorbed.

Description

Technical Field

[0001] The utility model relates to the field of vacuum pump filtration, and more specifically, to a vacuum pump with a filter for a vacuum furnace. Background Art

[0002] The main functions of a vacuum furnace include vacuum quenching, vacuum brazing, vacuum sintering, vacuum magnetization, etc. When using a vacuum furnace, a vacuum pump is required to provide a vacuum environment. A vacuum pump is a device used to generate and maintain a high-vacuum environment. It creates a low-pressure or high-vacuum state by pumping out gas molecules from a container or system. A vacuum furnace usually needs to be equipped with a vacuum pump that can operate stably and efficiently, and a vacuum pump with a filter can provide additional advantages and protection in this application.

[0003] However, most of the current vacuum pumps with filters for vacuum furnaces have the following problems:

[0004] For example, a filter device for a vacuum pump with the publication number CN202120059665.5 can play a role in filtering and protection through a filter plate. However, after long-term use and operation, the filter plate fixed inside the device is easily blocked by filtered dust and impurities, and subsequent cleaning and other operations are rather troublesome, making it inconvenient to disassemble and install the filter plate and the like. At the same time, when gas is transported through the air inlet, the gas transported through the air inlet is discharged concentratedly. The concentrated discharge of a large amount of gas easily causes some gas to be unable to contact the air, affecting the effect of liquid treatment on the gas and making it inconvenient to improve the uniformity of gas discharge.

[0005] Therefore, we make improvements on this and propose a vacuum pump with a filter for a vacuum furnace. Summary of the Utility Model

[0006] The purpose of the utility model is to address the problems of inconvenient disassembly and installation of the filter plate and the like, and inconvenient improvement of the uniformity of gas discharge currently existing.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A vacuum pump with a filter for a vacuum furnace to improve the above problems.

[0009] Specifically, this application is as follows:

[0010] It includes an upper housing, a lower housing is bolted to the upper housing, a delivery pipe is fixedly connected to the lower housing, exhaust holes are formed in the delivery pipe, a flow guide plate is fixedly connected inside the lower housing, a drain pipe is fixedly connected to the lower housing, a fixing plate is provided on the upper housing, a filter plate is fixedly connected to the fixing plate, an activated carbon plate is fixedly connected to the fixing plate, a connecting plate is fixedly connected to the fixing plate, a mounting bracket is fixedly connected to the upper housing, a spring is fixedly connected inside the mounting bracket, the other end of the spring is fixedly connected to a limiting plate, a blocking block is fixedly connected to the limiting plate, and a pulling plate is fixedly connected to the limiting plate.

[0011] As a preferred technical solution of the present application, the cross-section of the middle part of the delivery pipe is in a continuous "S" shape, and exhaust holes are equidistantly formed in the delivery pipe.

[0012] As a preferred technical solution of the present application, the height of the top surface of the exhaust hole is less than the height of the bottom surface of the flow guide plate, and the cross-section of one side of the connecting plate is inclined.

[0013] As a preferred technical solution of the present application, the springs are symmetrically distributed on the left and right sides inside the mounting bracket, and the springs correspond to the blocking blocks through the limiting plates one by one.

[0014] As a preferred technical solution of the present application, the side end surface of the limiting plate is attached to the inner side surface of the mounting bracket, and the cross-section of the blocking block is an isosceles triangle.

[0015] As a preferred technical solution of the present application, a sealing gasket is fixedly connected to the upper housing, a connecting pipe is fixedly connected to the upper housing, and the height of the bottom end surface of the connecting pipe is greater than the height of the top end surface of the activated carbon plate.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] In the solution of the present application:

[0018] 1. A connecting plate is provided; when disassembling and cleaning the used filter plate and activated carbon plate, the pulling plates on both sides of the mounting bracket can be pushed, the pulling plates drive the limiting plate to move, at the same time the limiting plate can squeeze the spring, and the limiting plate drives the blocking block to disengage from the connecting plate and retract into the mounting bracket. When the connecting plate is unobstructed, the fixing plate can be pulled to disassemble and remove the filter plate and activated carbon plate, which is convenient for cleaning and other operations on the used filter plate and activated carbon plate. When installing and resetting, the filter plate and activated carbon plate can be inserted into the upper housing, and the sealing effect can be achieved under the action of the sealing gasket. At the same time, the connecting plate is inserted into the mounting bracket, the inclined surface of the connecting plate pushes the blocking block to move, the blocking block moves to the card slot at the connecting plate, and drives the limiting plate and the blocking block to reset under the push of the spring, and the blocking block is clamped in the connecting plate to play a role of limiting and fixing, improving the filtering use effect.

[0019] 2. A delivery pipe is provided; when delivering gas, the delivery pipe can be connected to the gas supply pipe. When delivering gas, the delivery pipe in a continuous "S" shape can be evenly discharged through a plurality of exhaust holes opened, increasing the area of the discharged gas, avoiding the concentrated discharge of gas from affecting the water treatment effect, and when discharging gas, the deflector can be used to deflect the discharged gas, increasing the time the gas stays in the water, and uniformly treating and adsorbing the dust in the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 FIG. is an overall three-dimensional structural schematic diagram of a vacuum pump with a filter for a vacuum furnace provided by the present application;

[0021] Figure 2 FIG. is a side view structural schematic diagram of the deflector of a vacuum pump with a filter for a vacuum furnace provided by the present application;

[0022] Figure 3 FIG. is a top view structural schematic diagram of the delivery pipe of a vacuum pump with a filter for a vacuum furnace provided by the present application;

[0023] Figure 4 FIG. is a side view structural schematic diagram of the fixing plate of a vacuum pump with a filter for a vacuum furnace provided by the present application;

[0024] Figure 5 for a vacuum pump with a filter for a vacuum furnace provided by the present application Figure 4 the enlarged structural schematic diagram at A in;

[0025] Figure 6 FIG. is a top view structural schematic diagram of the activated carbon plate of a vacuum pump with a filter for a vacuum furnace provided by the present application.

[0026] Reference numerals in the figures: 1, upper housing; 2, lower housing; 3, delivery pipe; 4, exhaust hole; 5, deflector; 6, drain pipe; 7, fixing plate; 8, filter plate; 9, activated carbon plate; 10, connecting plate; 11, mounting bracket; 12, spring; 13, limiting plate; 14, stop block; 15, pulling plate; 16, gasket; 17, connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0028] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model claimed, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0029] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0030] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, terms such as "first" and "second" are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0032] Embodiment 1:

[0033] As Figures 1-6 shown, this embodiment provides a vacuum pump with a filter for a vacuum furnace, including an upper housing 1, a lower housing 2 is bolted to the upper housing 1, a delivery pipe 3 is fixedly connected to the lower housing 2, an exhaust hole 4 is formed in the delivery pipe 3, a deflector plate 5 is fixedly connected inside the lower housing 2, a drain pipe 6 is fixedly connected to the lower housing 2, a fixing plate 7 is provided on the upper housing 1, a filter plate 8 is fixedly connected to the fixing plate 7, an activated carbon plate 9 is fixedly connected to the fixing plate 7, a connecting plate 10 is fixedly connected to the fixing plate 7, a mounting bracket 11 is fixedly connected to the upper housing 1, a spring 12 is fixedly connected inside the mounting bracket 11, the other end of the spring 12 is fixedly connected to a limiting plate 13, a blocking block 14 is fixedly connected to the limiting plate 13, and a pulling plate 15 is fixedly connected to the limiting plate 13.

[0034] Embodiment 2:

[0035] The following further introduces the solution in Embodiment 1 in combination with the specific working mode, as detailed in the following description:

[0036] As Figure 3As shown, as a preferred embodiment, on the basis of the above method, further, the cross-section of the middle part of the conveying pipe 3 is in a continuous "S" shape, and exhaust holes 4 are equidistantly arranged on the conveying pipe 3, which can ensure that the conveying pipe 3 with a continuous "S" shape and the multiple exhaust holes 4 opened thereon can improve the uniformity of gas discharge.

[0037] As Figure 5 shown, as a preferred embodiment, on the basis of the above method, further, the height of the top end surface of the exhaust hole 4 is less than the height of the bottom end surface of the guide plate 5, and the cross-section of one side of the connecting plate 10 is inclined, which can ensure that the inclined surface of the connecting plate 10 can push the block 14 to move.

[0038] As Figure 4 shown, as a preferred embodiment, on the basis of the above method, further, the springs 12 are symmetrically distributed on the left and right sides inside the mounting frame 11, and the springs 12 correspond to the blocks 14 through the limiting plates 13 one by one, which can ensure the engagement of the two side blocks 14 and can fully engage and limit the connecting plate 10.

[0039] As Figure 5 shown, as a preferred embodiment, on the basis of the above method, further, the side end surface of the limiting plate 13 is attached to the inner side surface of the mounting frame 11, and the cross-section of the block 14 is an isosceles triangle, which can ensure that the block 14 in the shape of an isosceles triangle can be pushed and moved by the inclined surface of the connecting plate 10.

[0040] As Figure 2 shown, as a preferred embodiment, on the basis of the above method, further, a sealing gasket 16 is fixedly connected to the upper shell 1, a connecting pipe 17 is fixedly connected to the upper shell 1, and the height of the bottom end surface of the connecting pipe 17 is greater than the height of the top end surface of the activated carbon plate 9, which can ensure that the gas can be fully treated through the activated carbon plate 9 and then discharged through the connecting pipe 17, avoiding the influence on the treatment effect of the activated carbon plate 9 due to the short distance.

[0041] Specifically, when the vacuum furnace uses the vacuum pump with a filter, during use: combined with Figures 1-6 , when conveying gas, the upper shell 1 on the lower shell 2 can be opened, the treatment liquid can be added to the lower shell 2, and then installed and reset. The conveying pipe 3 can be connected to the air supply pipe. When conveying gas, the conveying pipe 3 in a continuous "S" shape can be evenly discharged through the multiple exhaust holes 4 opened thereon, increasing the area of the discharged gas, avoiding the influence on the water treatment effect caused by the concentrated discharge of gas. And when discharging gas, the guide plate 5 can be used to guide the discharged gas, increasing the time for the gas to stay in the water, and uniformly treating and adsorbing the dust in the gas.

[0042] Meanwhile, the connecting pipe 17 can be connected to a vacuum pump. When the vacuum pump operates, it can extract gas and make it rise. When passing through the filter plate 8, it can filter the residual dust and impurities in the gas. Then, when the gas passes through the activated carbon plate 9, it can effectively adsorb organic compounds, odors, and harmful gases in the air. When it is necessary to disassemble and clean the filter plate 8 and the activated carbon plate 9 later, the pull plates 15 on both sides of the mounting frame 11 can be pushed. The pull plates 15 drive the limit plate 13 to move. At the same time, the limit plate 13 can squeeze the spring 12, and the limit plate 13 drives the stopper 14 to disengage from the connecting plate 10 and retract into the mounting frame 11. When the connecting plate 10 is unobstructed, the fixing plate 7 can be pulled to disassemble and remove the filter plate 8 and the activated carbon plate 9, which is convenient for cleaning operations such as the used filter plate 8 and the activated carbon plate 9. When installing and resetting, the filter plate 8 and the activated carbon plate 9 can be inserted into the upper housing 1. Under the action of the sealing gasket 16, a sealing effect can be achieved. At the same time, the connecting plate 10 is inserted into the mounting frame 11, and the inclined surface of the connecting plate 10 pushes the stopper 14 to move. The stopper 14 moves to the card slot at the connecting plate 10, and under the push of the spring 12, it drives the limit plate 13 and the stopper 14 to reset, and the stopper 14 is clamped in the connecting plate 10 to play a role of limiting and fixing, improving the filtering and use effect. After the subsequent treatment is completed, the liquid in the lower housing 2 can be discharged through the drain pipe 6 for centralized collection and treatment.

[0043] The above embodiments are only used to illustrate the present invention rather than to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement to the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the utility model are covered by the scope of the claims of the present invention.

Claims

1. A vacuum pump with a filter for a vacuum furnace, comprising an upper housing (1), characterized in that: The upper shell (1) is bolted to the lower shell (2), the lower shell (2) is fixedly connected to a delivery pipe (3), the delivery pipe (3) is provided with an exhaust hole (4), the lower shell (2) is fixedly connected to a guide plate (5), the lower shell (2) is fixedly connected to a liquid discharge pipe (6), the upper shell (1) is provided with a fixing plate (7), the fixing plate (7) is fixedly connected to a filter plate (8), the fixing plate (7) is fixedly connected to an activated carbon plate (9), the fixing plate (7) is fixedly connected to a connecting plate (10), the upper shell (1) is fixedly connected to a mounting frame (11), the mounting frame (11) is fixedly connected to a spring (12), the other end of the spring (12) is fixedly connected to a limit plate (13), the limit plate (13) is fixedly connected to a stopper (14), and the limit plate (13) is fixedly connected to a pull plate (15).

2. A vacuum pump with a filter for a vacuum furnace according to claim 1, characterized in that: The cross section of the middle portion of the delivery pipe (3) is in a continuous "S" shape, and exhaust holes (4) are provided at equal intervals on the delivery pipe (3).

3. A vacuum pump with a filter for a vacuum furnace according to claim 1, characterized in that: The height of the top end surface of the exhaust hole (4) is less than the height of the bottom end surface of the guide plate (5), and the cross section of one side of the connecting plate (10) is inclined.

4. A vacuum pump with a filter for a vacuum furnace according to claim 1, characterized in that: The springs (12) are symmetrically distributed on the left and right sides of the mounting frame (11), and the springs (12) correspond one-to-one to the stoppers (14) via the limiting plates (13).

5. The vacuum pump with a filter for a vacuum furnace according to claim 1, characterized in that: The side end surface of the limiting plate (13) fits the inner side surface of the mounting frame (11), and the cross section of the stopper (14) is an isosceles triangle.

6. A vacuum pump with a filter for a vacuum furnace according to claim 1, characterized in that: A sealing gasket (16) is fixedly connected to the upper shell (1), and a connecting pipe (17) is fixedly connected to the upper shell (1), wherein the height of the bottom end surface of the connecting pipe (17) is greater than the height of the top end surface of the activated carbon plate (9).

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