CN220409763U

CN220409763U - High vacuum pumping system of electrode forming die

Info

Publication number: CN220409763U
Application number: CN202322022614.7U
Authority: CN
Inventors: 王任平; 罗烨栋; 王晓龙; 苗培强
Original assignee: Shanshan Longsheng Carbon Manufacturing Co ltd
Current assignee: Shanshan Longsheng Carbon Manufacturing Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-30
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a high-vacuum-pumping system of an electrode forming die, which comprises a vacuum tank, a vacuum pump, a water tank and a plurality of dies, wherein the vacuum tank is communicated with the plurality of dies through a main exhaust pipe and a plurality of auxiliary exhaust pipes, and is connected with the vacuum pump through a first air supply pipe. According to the utility model, the vacuum tank in the vacuum state is additionally arranged between the vacuum pump and the die, so that when a plurality of dies need to be vacuumized, air in each die can be instantly pumped by the vacuum tank in the vacuum state, so that the air pressure in each die is quickly reduced, then the vacuum pump is used for vacuuming again, the vacuum speed and the vacuumizing effect in the whole vacuumizing process can be improved, the vacuum degree can be improved to be more than-85 kilopascals, the problem that the fluctuation of the product quality is large due to overlong vacuumizing and the fact that the vacuum degree cannot be stably kept at a required value can be effectively avoided, and the production benefit can be effectively improved. The vacuum pump adopts variable frequency control to realize one-key control.

Description

High vacuum pumping system of electrode forming die

Technical Field

The utility model relates to the technical field of vacuumizing, in particular to a high vacuumizing system of an electrode forming die.

Background

The high-vacuum-pumping system for the mold in the forming workshop is a production system for vacuumizing the mold and accelerating the molding of raw materials in the mold. The high vacuum system of traditional shaping workshop mould mainly has vacuum pump, mould and has the pipeline of vacuum relief valve to constitute, and the vacuum relief valve is installed on the lateral wall of pipeline, and pipeline connection vacuum pump and mould, when the evacuation of mould, the vacuum relief valve is closed, and the vacuum pump starts the evacuation of mould, in the mould shaping in-process, keeps the vacuum, after the mould is accomplished the shaping, the vacuum pump no longer evacuation, and the vacuum relief valve is opened, makes the mould internal pressure resume.

In the high-vacuum-pumping system of the mold in the forming workshop, in order to improve efficiency and reduce the number of equipment used for vacuum pumping, generally one vacuum pump is used for simultaneously pumping two molds, and the two molds share one vacuum release valve, however, the system still has some defects, for example, because the vacuum pump is used for directly pumping air to manufacture vacuum, and simultaneously pumping the two molds, the time consumption of vacuum pumping is long, the vacuum degree of the two molds is also inconvenient to further improve, the condition of insufficient vacuum degree easily occurs, and the vacuum degree is also easy to be kept at a required value in the process of repeated vacuum pumping, so that the fluctuation of product quality is large, and the production benefit is influenced. Therefore, we propose a high vacuum system for the electrode forming mold.

Disclosure of Invention

The utility model mainly aims to provide a high-vacuum-pumping system of an electrode forming die, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the high vacuumizing system of the electrode forming die comprises a vacuum tank, a vacuum pump, a water tank and a die, wherein a main exhaust pipe is arranged at the top of the vacuum tank in a communicated manner, a first air supply pipe is arranged on the side wall of the vacuum tank in a communicated manner, an air supply valve is arranged on the first air supply pipe, the other end of the first air supply pipe is connected with an air inlet of the vacuum pump, a second air supply pipe is connected with an air outlet of the vacuum pump, the second air supply pipe is a U-shaped pipe, and the other end of the second air supply pipe penetrates into an inner cavity of the water tank from the top of the water tank; the plurality of dies are provided with auxiliary exhaust pipes communicated with the inner cavity of the die, and the other ends of the auxiliary exhaust pipes are communicated with the main exhaust pipes; the auxiliary exhaust pipes are provided with pneumatic valves, mechanical vacuum meters and second back pressure pipes, and the second back pressure pipes are provided with second back pressure valves; an exhaust pipe is also inserted and arranged at the top of the water tank.

Preferably, the pneumatic valve is positioned between the mechanical vacuum gauge and the second back pressure pipe, and the mechanical vacuum gauge is close to the main exhaust pipe, and the second back pressure pipe is close to the die.

Preferably, the side wall of the water tank is connected with an overflow pipe, the overflow pipe and the exhaust pipe are all inverted U-shaped pipes, the inlet of the exhaust pipe extends into the inner cavity of the water tank and is positioned above the liquid level in the water tank, the inlet of the overflow pipe and the outlet of the second air supply pipe extend to the position below the liquid level in the water tank, and the joint of the overflow pipe and the water tank is positioned above the liquid level in the water tank; a drain pipe is communicated with the lower part of the side wall of the water tank, and a drain valve is arranged on the drain pipe.

Preferably, the main exhaust pipe is provided with a pressure gauge and a flow meter, and the pressure gauge is close to the vacuum tank.

Preferably, the bottom of the vacuum tank is communicated with a first back pressure pipe, and the first back pressure pipe is provided with a first back pressure valve.

Preferably, the vacuum tank is in a vacuum state before the mold is evacuated.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the vacuum tank in the vacuum state is additionally arranged between the vacuum pump and the mould, so that when the plurality of moulds are required to be vacuumized, the plurality of pneumatic valves can be firstly opened to enable the moulds to be communicated with the vacuum tank, the vacuum tank in the vacuum state instantly pumps air in each mould, the air pressure in each mould is quickly reduced to carry out quick preliminary vacuumizing, then the vacuum pump and the air supply valve are opened to pump air in the vacuum tank into the water tank so as to vacuumize the moulds again, and through the above-mentioned vacuum pump, the mould is not directly vacuumized by the vacuum pump, the vacuum pumping speed and the vacuumizing effect in the early stage of vacuumizing are improved, and the vacuum pump is combined, so that the vacuum speed and the vacuumizing effect in the whole vacuumizing process are improved, the vacuumizing time is shortened, the upper limit of the vacuumizing degree is improved, the vacuumizing degree is improved to be more than-85 kilopascals, the vacuum degree in each mould can reach the required value, the problem that the quality of products cannot be stably maintained due to the overlong vacuumizing degree is effectively avoided, and the required product cannot be produced, and the great benefit is effectively brought. Meanwhile, the vacuum pump adopts variable frequency control, the rotating speed is increased when the vacuum degree is reduced, and the rotating speed is reduced when the vacuum degree is increased to the target value, so that one-key control is realized, and the operation is more convenient.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the high vacuum pumping system of the electrode forming die.

In the figure: 1. a vacuum tank; 101. a first back pressure pipe; 102. a first back pressure valve; 2. a main exhaust pipe; 21. a pressure gauge; 22. a flow meter; 3. a mold; 31. a second back pressure pipe; 311. a second back pressure valve; 4. a sub-exhaust pipe; 41. a pneumatic valve; 42. a mechanical vacuum gauge; 5. a first air supply pipe; 51. a gas supply valve; 6. a vacuum pump; 7. a second air supply pipe; 8. a water tank; 81. an exhaust pipe; 82. an overflow pipe; 83. a drain pipe; 84. and (3) a drainage valve.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the high-vacuum-pumping system of the electrode forming die comprises a vacuum tank 1, a vacuum pump 6, a water tank 8 and a die 3, wherein a main exhaust pipe 2 is arranged at the top of the vacuum tank 1 in a communicated manner, a first air supply pipe 5 is arranged on the side wall of the vacuum tank 1 in a communicated manner, an air supply valve 51 is arranged on the first air supply pipe 5, the other end of the first air supply pipe 5 is connected with an air inlet of the vacuum pump 6, a second air supply pipe 7 is connected with an air outlet of the vacuum pump 6, the second air supply pipe 7 is a U-shaped pipe, and the other end of the second air supply pipe 7 penetrates into an inner cavity of the water tank 8 from the top of the water tank 8; the mould 3 is provided with a plurality of, and all is provided with on a plurality of moulds 3 and is linked together with mould 3 inner chamber vice exhaust tube 4, and the other end of a plurality of vice exhaust tubes 4 all communicates with main exhaust tube 2, and when mould 3 evacuation, the air of mould 3 is drawn into in the vacuum tank 1 through vice exhaust tube 4, main exhaust tube 2.

The pneumatic valve 41, the mechanical vacuum meter 42 and the second back pressure pipe 31 are arranged on the auxiliary exhaust pipes 4, the pneumatic valve 41 is located between the mechanical vacuum meter 42 and the second back pressure pipe 31, the mechanical vacuum meter 42 is close to the main exhaust pipe 2, the second back pressure pipe 31 is close to the die 3, the pneumatic valve 41 can be controlled more conveniently, and when the die 3 is vacuumized, the auxiliary exhaust pipes 4 can be synchronously communicated with the die 3 and the main exhaust pipe 2, and the vacuumizing speed is improved. The second back pressure valves 311 are installed on the plurality of second back pressure pipes 31 so that the second back pressure valves 311 can be opened when the mold 3 needs to be restored to the atmospheric pressure.

Further, an exhaust pipe 81 is also inserted and arranged at the top of the water tank 8, an overflow pipe 82 is connected to the side wall of the water tank 8, the overflow pipe 82 and the exhaust pipe 81 are all inverted U-shaped pipes, an inlet of the exhaust pipe 81 extends into an inner cavity of the water tank 8 and is positioned above the liquid level in the water tank 8, an inlet of the overflow pipe 82 and an outlet of the second air supply pipe 7 both extend to the position below the liquid level in the water tank 8, and a joint of the overflow pipe 82 and the water tank 8 is positioned above the liquid level in the water tank 8; through the above, the water in the water tank 8 filters and processes the gas sent from the second air supply pipe 7, the processed air escapes to the upper part of the liquid surface, and then is discharged through the exhaust pipe 81, so that the environment is prevented from being polluted by pollutants in the gas pumped out by vacuumizing, and the environment protection performance is better.

A drain pipe 83 is provided in communication under the side wall of the water tank 8, and a drain valve 84 is provided on the drain pipe 83 so that water in the water tank 8 can be drained by opening the drain valve 84 or water can be supplied to the water tank 8.

Further, the vacuum tank 1 is in a vacuum state before the mold 3 is vacuumized, so that when a plurality of molds 3 are required to be vacuumized, the plurality of pneumatic valves 41 can be opened first, the molds 3 are communicated with the vacuum tank 1, the vacuum tank 1 in the vacuum state instantly pumps air in each mold 3, the air pressure in each mold 3 is quickly reduced, quick preliminary vacuumizing is performed, then, the vacuum pump 6 and the air supply valve 51 are opened, air in the vacuum tank 1 is pumped into the water tank 8, and the molds 3 are vacuumized again, through the above, the vacuum pump 6 does not directly vacuumize the molds 3, the vacuum pumping speed and the vacuum pumping effect in the early stage are improved, and the vacuum pump 6 is combined again, so that the vacuum speed and the vacuum pumping effect in the whole vacuum pumping process are improved, the vacuum pumping time is shortened, the upper limit is improved, the vacuum degree is improved to be more than-85 kilopascals, the vacuum degree in each mold 3 can reach the required value, the required vacuum degree can not be effectively improved, the required quality cannot be stably and effectively improved, and the problem of high quality cannot be avoided due to the required to the vacuum fluctuation can be effectively avoided. Meanwhile, the vacuum pump 6 adopts variable frequency control, the rotating speed is increased when the vacuum degree is reduced, and the rotating speed is reduced when the vacuum degree is increased to the target value, so that one-key control is realized, and the operation is more convenient.

It should be noted that, the main exhaust pipe 2 is provided with a pressure gauge 21 and a flow gauge 22, and the pressure gauge 21 is close to the vacuum tank 1 to detect the pressure and flow in the main exhaust pipe 2, so as to facilitate the vacuumizing observation and control.

The bottom of the vacuum tank 1 is provided with a first back pressure pipe 101 in a communicating manner, and the first back pressure pipe 101 is provided with a first back pressure valve 102; by the above, when the vacuum tank 1 is not in use, the first back pressure valve 102 can be opened to allow external air to enter the vacuum tank 1, and the air pressure in the vacuum tank 1 can be restored to the atmospheric pressure.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high evacuating system of electrode forming die, includes vacuum tank (1), vacuum pump (6), water tank (8) and mould (3), its characterized in that: the top of the vacuum tank (1) is communicated with a main exhaust pipe (2), a first air supply pipe (5) is communicated with the side wall of the vacuum tank (1), an air supply valve (51) is arranged on the first air supply pipe (5), the other end of the first air supply pipe (5) is connected with an air inlet of the vacuum pump (6), an air outlet of the vacuum pump (6) is connected with a second air supply pipe (7), the second air supply pipe (7) is a U-shaped pipe, and the other end of the second air supply pipe (7) penetrates into an inner cavity of the water tank (8) from the top of the water tank (8); the mold (3) is provided with a plurality of auxiliary exhaust pipes (4) communicated with the inner cavity of the mold (3), and the other ends of the auxiliary exhaust pipes (4) are communicated with the main exhaust pipe (2); a pneumatic valve (41), a mechanical vacuum gauge (42) and a second back pressure pipe (31) are arranged on the auxiliary exhaust pipes (4), and a second back pressure valve (311) is arranged on the second back pressure pipes (31); an exhaust pipe (81) is also inserted into the top of the water tank (8).

2. The high vacuum pumping system of an electrode forming mold according to claim 1, wherein: the pneumatic valve (41) is located between the mechanical vacuum gauge (42) and the second back pressure pipe (31), the mechanical vacuum gauge (42) is close to the main exhaust pipe (2), and the second back pressure pipe (31) is close to the die (3).

3. The high vacuum pumping system of an electrode forming mold according to claim 1, wherein: the side wall of the water tank (8) is connected with an overflow pipe (82), the overflow pipe (82) and the exhaust pipe (81) are all inverted U-shaped pipes, an inlet of the exhaust pipe (81) extends into an inner cavity of the water tank (8) and is positioned above the liquid level in the water tank (8), an inlet of the overflow pipe (82) and an outlet of the second air supply pipe (7) both extend to the lower part of the liquid level in the water tank (8), and a joint of the overflow pipe (82) and the water tank (8) is positioned above the liquid level in the water tank (8); a drain pipe (83) is communicated with the lower portion of the side wall of the water tank (8), and a drain valve (84) is arranged on the drain pipe (83).

4. The high vacuum pumping system of an electrode forming mold according to claim 1, wherein: the main exhaust pipe (2) is provided with a pressure gauge (21) and a flow meter (22), and the pressure gauge (21) is close to the vacuum tank (1).

5. The high vacuum pumping system of an electrode forming mold according to claim 1, wherein: the bottom of the vacuum tank (1) is communicated with a first back pressure pipe (101), and the first back pressure pipe (101) is provided with a first back pressure valve (102).

6. The high vacuum pumping system of an electrode forming mold according to claim 1, wherein: the vacuum tank (1) is in a vacuum state before the die (3) is vacuumized.