Forming table gas circuit control system for carbon fiber rim

Abstract

The utility model relates to the field of carbon fiber rim manufacturing equipment, and particularly discloses a forming table gas circuit control system for a carbon fiber rim, which comprises a gas supply pipeline, a pressure regulating branch communicated with the gas supply pipeline and a standby pressure regulating pipeline connected with the pressure regulating branch in parallel, an air cylinder pressure regulating valve and an air inlet electromagnetic valve are arranged on the air supply pipeline; the pressure regulating branch is provided with a branch pressure regulating valve, the branch pressure regulating valve is connected with a proportional valve, and the proportional valve is connected with the control end of the air cylinder pressure regulating valve; and one end of the standby pressure regulating pipeline is connected with the low-pressure gas source, and the other end is connected with the gas inlet end of the proportional valve. A standby pressure regulating pipeline is additionally arranged at the input end of the proportional valve, so that double guarantee of the input end of the proportional valve is realized, and the problem that the quality of a carbon fiber rim is abnormal due to faults such as non-rebound or blockage of a branch pressure regulating valve spring caused by long-time load action is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon fiber wheel rim manufacturing equipment field, specifically a kind of forming table gas path control system for carbon fiber wheel rim. BACKGROUND

[0002] In the manufacturing process of carbon fiber wheel rim, the air pressure control of forming table has crucial influence on the quality of wheel rim.The existing forming table gas path control system is generally that 2 mpa compressed gas is input into cylinder pressure regulating valve, before entering cylinder pressure regulating valve, pressure is reduced to 0.8 mpa by branch pressure regulating valve, then enters cylinder pressure regulating valve by proportional valve, and proportional valve controls the gas pressure of cylinder pressure regulating valve exhaust end according to electric signal adjustment gas pressure.However, this single gas path control mode has certain limitation in actual production, for example, branch pressure regulating valve is in working state for a long time, and its spring continuously bears load action, and it is prone to not rebound or jam and other faults, and once branch pressure regulating valve has such fault, it will directly lead to abnormal output gas pressure, and then seriously affect product quality. SUMMARY

[0003] The utility model aims at solving the problems that existing gas path control system adopts single gas path control mode, once branch pressure regulating valve has fault, it will directly lead to abnormal output gas pressure, and seriously affect wheel rim quality, and provides a kind of forming table gas path control system for carbon fiber wheel rim, increases a spare pressure regulating pipeline at the input end of proportional valve, realizes double protection at the input end of proportional valve, improves the problem that wheel rim quality is abnormal due to the not rebound or jam and other faults of branch pressure regulating valve spring because of long time load action.

[0004] To solve the above technical problems, the utility model provides a kind of forming table gas path control system for carbon fiber wheel rim, including gas supply pipeline and the pressure regulating branch that is connected with gas supply pipeline, the gas supply pipeline is connected with high pressure gas source, is equipped with cylinder pressure regulating valve and inlet solenoid valve on gas supply pipeline, the gas inlet end of cylinder pressure regulating valve is connected with high pressure gas source outlet pipeline, the gas outlet end of cylinder pressure regulating valve is connected with inlet solenoid valve gas inlet end pipeline, and the gas source interface of forming mould is connected with the gas outlet end of inlet solenoid valve;The pressure regulating branch is connected between high pressure gas source and cylinder pressure regulating valve, and branch pressure regulating valve is equipped on pressure regulating branch, and the gas outlet end of branch pressure regulating valve is connected with the gas inlet end of proportional valve, and the control end of cylinder pressure regulating valve is connected with the gas outlet end of proportional valve;

[0005] Also include spare pressure regulating pipeline that is arranged in parallel with pressure regulating branch, one end of the spare pressure regulating pipeline is connected with low pressure gas source, the other end is connected with the gas inlet end of proportional valve, and one-way valve and stop valve are equipped on spare pressure regulating pipeline.

[0006] As a further description of the above technical scheme, the air supply pipeline is further provided with an air filter, and the air filter is installed on the pipeline between the high-pressure air source and the air cylinder pressure regulating valve.

[0007] As a further description of the above technical scheme, the air supply pipeline is further provided with a first air pressure gauge, and the first air pressure gauge is arranged on the pipeline between the high-pressure air source and the air filter, and is used for detecting the gas pressure output by the high-pressure air source.

[0008] As a further description of the above technical scheme, a second air pressure gauge is arranged on the pipeline between the intake electromagnetic valve and the air source inlet of the forming mold, and is used for detecting the intake pressure of the forming mold in real time.

[0009] As a further description of the above technical scheme, the standby pressure regulating pipeline is provided with a third air pressure gauge, and the third air pressure gauge is arranged between the low-pressure air source and the one-way valve, and is used for detecting the gas pressure output by the low-pressure air source.

[0010] As a further description of the above technical scheme, the air source interface of the forming mold is further connected with an exhaust pipeline, and the exhaust pipeline is provided with an exhaust electromagnetic valve.

[0011] As a further description of the above technical scheme, the air supply pipeline is connected with the air source interface of the forming mold through a quick connector.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses in parallel on the pressure regulating branch and the standby pressure regulating branch of pressure regulating branch, and enters the proportional valve, when the spring of branch pressure regulating valve appears not to rebound or the jam and so on because of long -time load action, the standby pressure regulating branch can continue to provide stable air pressure for proportional valve, guarantees the normal work of gas path system, effectively prevents the influence of branch pressure regulating valve failure to product quality, the internal structure of carbon fiber wheel rim is more uniform in the forming process, and the surface flatness is better, thereby improving the overall quality of product, optimizing the whole carbon fiber wheel rim production process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of gas path control system of the utility model.

[0015] Reference signs:

[0016] 10-air supply pipeline;11-high-pressure air source;12-first air pressure gauge;13-air filter;14-air cylinder pressure regulating valve;15-proportional valve;16-electromagnetic intake valve;17-second air pressure gauge;18-electric exhaust valve;19-quick connector;20-pressure regulating branch;21-branch pressure regulating valve;30-standby pressure regulating pipeline;31-low-pressure air source;32-third air pressure gauge;33-one-way valve;34-shutoff valve. Detailed Implementation

[0017] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0018] This embodiment provides a pneumatic control system for a forming table of carbon fiber wheel rims, such as... Figure 1 As shown, it includes an air supply pipeline 10, a pressure regulating branch 20 connected to the air supply pipeline 10, and a spare pressure regulating pipeline 30 connected in parallel with the pressure regulating branch 20. The air supply pipeline 10 is connected to a high-pressure air source 11, which is used to provide 2.0 MPa compressed air to the molding table. The air supply pipeline 10 is equipped with a first voltmeter 12, an air filter 13, a cylinder pressure regulating valve 14, and an intake solenoid valve 16 in sequence. The first voltmeter 12 is used to detect the gas pressure output by the high-pressure air source 11. The air filter 13 plays a secondary filtration role to reduce the risk of water vapor entering the pipeline. The gas outlet of the air filter 13 is connected to the inlet of the cylinder pressure regulating valve 14. The exhaust end of the cylinder pressure regulating valve 14 is connected to the inlet of the intake solenoid valve 16. The outlet of the intake solenoid valve 16 is connected to the mold air source interface of the molding table via a quick connector 19. A second pressure gauge 17 is installed on the pipe between the intake solenoid valve 16 and the quick connector 19 to detect the gas pressure at the outlet of the low-pressure air source. The air source interface of the molding mold is also connected to an exhaust pipe, on which an exhaust solenoid valve 18 is installed for discharging gas after the carbon fiber wheel rim is molded.

[0019] The pressure regulating branch 20 is connected to the pipeline between the air filter 13 and the cylinder pressure regulating valve 14, and a branch pressure regulating valve 21 is provided on the pressure regulating branch 20. The outlet end of the branch pressure regulating valve 21 is connected to the inlet end of the proportional valve 15. The outlet end of the proportional valve 15 is connected to the control end of the cylinder pressure regulating valve 14. The compressed air that has been filtered twice enters the branch pressure regulating valve 21 through the pressure regulating branch 20 and is pressured to 0.8 MPa before entering the proportional valve 15. The proportional valve 15 adjusts the air pressure according to the electrical signal to control the gas pressure at the exhaust end of the cylinder pressure regulating valve 14, and controls the gas flow of a single molding table through the intake solenoid valve 16, thereby controlling the air source pressure of the mold of that molding table.

[0020] The standby pressure regulating pipeline 30 is connected with the low-pressure gas source 31 at one end, and is used for providing 0.8 MPa compressed air, and is connected with the input end of the proportional valve 15 at the other end, and the standby pressure regulating pipeline 30 is further provided with a third air pressure gauge 32, a one-way valve 33 and a stop valve 34 in sequence. When the branch pressure regulating valve 21 fails, the stop valve 34 is opened, and stable 0.8 MPa gas is provided to the proportional valve 15, so that the proportional valve 15 can still normally act under the condition that the branch pressure regulating valve 21 fails.

[0021] The molding table gas circuit control system of the utility model inputs 2 MPa compressed air into the cylinder pressure regulating valve through the gas supply pipeline 10, and the compressed air is reduced to 0.8 MPa through the pressure regulating branch 20, then enters the control end of the cylinder pressure regulating valve through the proportional valve 15 to adjust the molding air pressure, and a one-way controlled standby pressure regulating pipeline 30 is connected in parallel on the pressure regulating branch 20, enters the proportional valve 15 in parallel with the pressure regulating branch 20, and implements double protection on the air inlet end of the proportional valve 15, realizes the air pressure control of the molding table, and ensures that the proportional valve can still normally act when the pressure regulating branch spring fails due to long-time load action, so as to guarantee the product molding quality.

[0022] The above is only the best implementation manner of the utility model. It should be noted that, for ordinary skilled persons in the art, the technical scheme of the utility model can be deformed or equivalently replaced without departing from the principle of the utility model, and the technical effect of the utility model can also be achieved, and it should be regarded as belonging to the protection range of the utility model.

Claims

1. A forming station gas circuit control system for carbon fiber wheel rims, comprising a gas supply pipeline (10) and a pressure regulating branch (20) connected to the gas supply pipeline (10), the gas supply pipeline (10) being connected to a high-pressure gas source (11), the gas supply pipeline (10) being provided with a cylinder pressure regulating valve (14) and an inlet electromagnetic valve (16), the inlet end of the cylinder pressure regulating valve (14) being connected to the outlet pipeline of the high-pressure gas source (11), the exhaust end of the cylinder pressure regulating valve (14) being connected to the inlet end pipeline of the inlet electromagnetic valve (16), the outlet end of the inlet electromagnetic valve (16) being connected to the gas source interface of a forming mold; the pressure regulating branch (20) being connected between the high-pressure gas source (11) and the cylinder pressure regulating valve (14), and the pressure regulating branch (20) being provided with a branch pressure regulating valve (21), the outlet end of the branch pressure regulating valve (21) being connected to the inlet end of a proportional valve (15), the outlet end of the proportional valve (15) being connected to the control end of the cylinder pressure regulating valve (14); characterized in that further comprising a standby pressure regulating pipeline (30) connected in parallel with the pressure regulating branch (20), one end of the standby pressure regulating pipeline (30) being connected to a low-pressure gas source (31), the other end being connected to the inlet end of the proportional valve (15), the standby pressure regulating pipeline (30) being provided with a check valve (33) and a stop valve (34).

2. The forming station gas path control system for carbon fiber wheels of claim 1, wherein: The gas supply pipeline (10) is further provided with an air filter (13), the air filter (13) being installed on the pipeline between the high-pressure gas source (11) and the cylinder pressure regulating valve (14).

3. The forming station gas path control system for carbon fiber wheels of claim 2, wherein: The gas supply pipeline (10) is further provided with a first air pressure gauge (12), the first air pressure gauge (12) being installed on the pipeline between the high-pressure gas source (11) and the air filter (13), for detecting the gas pressure output by the high-pressure gas source.

4. The forming station gas path control system for carbon fiber wheels of claim 1, wherein: A second air pressure gauge (17) is installed on the pipeline between the inlet electromagnetic valve (16) and the gas source inlet of the forming mold, for real-time detection of the inlet gas pressure of the forming mold.

5. The forming station gas path control system for carbon fiber wheels of claim 1, wherein: The standby pressure regulating pipeline (30) is provided with a third air pressure gauge (32), the third air pressure gauge (32) being located between the low-pressure gas source (31) and the check valve (33), for detecting the gas pressure output by the low-pressure gas source.

6. The forming station gas path control system for carbon fiber wheels of claim 1, wherein: The gas source interface of the forming mold is further connected to an exhaust pipeline, the exhaust pipeline being provided with an exhaust electromagnetic valve (18).

7. The forming station gas path control system for carbon fiber wheels of claim 1, wherein: The gas supply pipeline (10) is connected to the gas source interface of the forming mold through a quick connector (19).

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