CN203779341U - Double gas circuit input linkage system of compressed air shotblasting machine - Google Patents

Abstract

The utility model relates to a double gas circuit input linkage system of a compressed air shotblasting machine, wherein the inlet of an energy accumulator is connected with a gas inlet pipeline, the outlet of the energy accumulator is connected with a three-way pipe connector, one outlet of the three-way pipe connector is connected to the inlet of a first two-position two-way normally closed type electromagnetic valve by virtue of a first branch pipeline which is provided with a first driving gas source switch, the outlet of the first two-position two-way normally closed type electromagnetic valve is connected to the inside of a shot storage tank, and a bottom sand outlet of a second shot storage tank is connected with a sand outlet pipe system; the other outlet of the three-way pipe connector is connected to the inlet of a second two-position two-way normally closed type electromagnetic valve by virtue of a second branch pipeline which is provided with a second driving gas source switch, and the outlet of the two-position two-way normally closed type electromagnetic valve is connected to the sand outlet pipeline system; the first and second two-position two-way normally closed type electromagnetic valves are synchronously linked. The system provided by the utility model can be used for effectively controlling and adjusting the gas quantity, reducing the loss of the gas source and forming a strong gas flow so as to obtain a strong spraying effect.

Description

Shot blasting machine dual gas path input linkage system

technical field

The utility model relates to an improvement of an air path system of a shot blasting machine, in particular to a double air path input linkage system of the shot blasting machine.

Background technique

"Valve body oil, air channel conveying shot blasting machine" is a special non-standard equipment. Its power source mainly comes from compressed air. MPa. The equipment originally used one air input system. In the case of low-pressure input air source, it is impossible to quickly collect the flow into the pellet storage tank to form a strong air flow, which leads to the equipment not working properly. Moreover, the air of one route is easy to interfere with each other, it is difficult to adjust and control, the air consumption is large, and a strong jet air source cannot be formed. The main disadvantages are as follows: 1. The input air source cannot reach the rated pressure (0.6Mpa-0.8Mpa); 2. The actual flow rate cannot meet the requirement (3m ³ /min); 3. The gas consumption is too large (greater than "according to 0.5Mpa- 0.6Mpa>0.96m ³ /min").

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a double-gas-path input linkage system of a shot blasting machine, which has a reasonable structure, can effectively control and adjust the gas volume through each driving gas source switch, and significantly reduces the gas source. Loss, save energy, and can be quickly collected into the shot storage tank to form a strong air flow to obtain a strong spray effect.

According to the technical solution provided by the utility model: the double air path input linkage system of the shot blasting machine includes an air intake pipe on which a main drive air source switch is installed, and is characterized in that it also includes an accumulator, a three-way pipe connection, The first driving air source switch, the second driving air source switch, the first two-position two normally closed solenoid valve, the second two-position two normally closed solenoid valve and the pellet storage tank; the inlet of the accumulator is connected to the The intake pipe is connected, the outlet of the accumulator is connected to the three-way pipe connection, and one outlet of the three-way pipe connection is connected to the inlet of the first two-position two normally closed solenoid valve through the first branch pipe. The first drive air source switch is installed, the outlet of the first two position two normally closed solenoid valves is connected to the inside of the shot storage tank through the blowback pipeline, and the bottom of the second shot storage tank is provided with a sand outlet, which is connected to the outlet Sand pipeline system; the other outlet of the three-way pipe connection is connected to the inlet of the second two-position two normally closed solenoid valve through the second branch pipeline, and the second drive gas source switch is installed on the second branch pipeline. The outlet of the two-two two-position normally closed solenoid valve is connected to the sand discharge pipeline system through the blowing pipeline, and the outlet of the sand discharge pipeline system is used to connect the spray gun; the first two two-position two normally closed solenoid valve is connected to the second two two The two normally closed solenoid valves are synchronously linked, open or close at the same time.

As a further improvement of the utility model, the accumulator is a bladder type accumulator or an isolated gas accumulator.

As a further improvement of the utility model, a first filter and a second filter are respectively installed on the first branch pipeline and the second branch pipeline.

As a further improvement of the utility model, an interface is provided on the top of the pill storage tank, and the interface is connected to a filter dust collector through a dust removal pipeline and a pilot valve.

As a further improvement of the utility model, the part of the blowback pipeline inside the pill storage tank has an upwardly bent blowback elbow, and a blowback one-way valve is arranged above the blowback elbow.

As a further improvement of the utility model, the back blowing check valve includes a conical cap-shaped one-way valve body, which is placed on the back blowing elbow, and the top of the conical cap-shaped one-way valve body is set There is an air suction port; there is a silicone sealing ring on the periphery of the cone-shaped check valve body, the inner diameter of the silicone seal ring is larger than the outer diameter of the upper end of the cone-shaped check valve body, and smaller than the cone-shaped check valve body The outer diameter of the lower end; when there is high-pressure air blowing out of the blowback elbow, the conical cap-shaped check valve body is lifted upward by the high-pressure air flow, and the peripheral wall of the conical cap-shaped one-way valve body is in close contact with the silicone sealing ring, and the high-pressure air flow passes through. The space between the inner wall of the conical cap-shaped one-way valve and the outer wall of the blowback elbow sprays downward, forming a strong vortex flow.

As a further improvement of the utility model, the lower end of the conical cap-shaped one-way valve body is also provided with an annular limiting platform.

As a further improvement of the utility model, the sand outlet pipeline system includes a connecting pipe, a gate valve, an angle valve and a sand outlet pipe, the connecting pipe is connected to the sand outlet at the bottom of the shot storage tank, and the gate valve is installed on the connecting pipe. The outlet of the second two-position two normally closed electromagnetic valve is connected with the connecting pipe behind the gate valve through the blowing pipe, the other end of the connecting pipe is connected with the angle valve, and the outlet of the angle valve is connected with the sand outlet pipe.

Compared with the prior art, the utility model has the following advantages: (1) The air volume can be effectively controlled and adjusted through each driving air source switch; (2) The loss of the air source can be significantly reduced and energy can be saved; (3) It can be quickly collected Into the shot tank to form a strong air flow to obtain a strong spray effect.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Fig. 2 is a structural schematic diagram of the backflush check valve in Fig. 1 .

Detailed ways

Below in conjunction with specific accompanying drawing and embodiment the utility model is further described.

As shown in the figure: the shot blasting machine dual air input linkage system in the embodiment is mainly composed of the intake pipe 1, the main drive air source switch 2, the accumulator 3, the tee pipe connection 4, the first branch pipe 5, the second Two pipelines 6, the first driving air source switch 7, the second driving air source switch 8, the first filter 9, the second filter 10, the first two-position two normally closed solenoid valve 11, the second two Position 2 normally closed solenoid valve 12, blowback pipeline 13, air blowing pipeline 14, pellet storage tank 15, backflush one-way valve 16, gate valve 17, connecting pipe 18, angle valve 19, sand outlet pipe 20, pilot valve 21 , Dust removal pipeline 22, filter dust collector 23 forms.

As shown in Figure 1, the inlet of the accumulator 3 is connected to the intake pipe 1, the outlet of the accumulator 3 is connected to the three-way pipe joint 4, and an outlet of the three-way pipe joint 4 passes through the first branch pipe 5 Connect to the inlet of the first 2-position 2 normally closed solenoid valve 11, install the first drive gas source switch 7 on the first branch pipe 5, and the outlet of the 1st 2-position 2 normally closed solenoid valve 11 through the blowback pipe 13 Connected to the inside of the shot storage tank 15, the bottom of the second shot storage tank 15 is provided with a sand outlet, and the sand outlet is connected to the sand outlet pipeline system; the other outlet of the three-way pipe joint 4 is connected through the second branch pipe 6 To the inlet of the second 2-position 2 normally closed solenoid valve 12, a second drive gas source switch 8 is installed on the second branch pipe 6, and the outlet of the second 2-position 2 normally closed solenoid valve 12 is connected through the air blowing pipe 14 To the sand outlet pipeline system, the outlet of the sand outlet pipe 20 system is used to connect the spray gun; the first 2-position 2 normally closed solenoid valve 11 is synchronously linked with the second 2-position 2 normally closed solenoid valve 12, and opens at the same time or closed at the same time.

As shown in FIG. 1 , in the present utility model, the accumulator 3 can be a mature product in the prior art, such as a bladder type accumulator 3 or an isolated gas accumulator 3 . In order to prevent the gas entering the pill storage tank 15 from bringing dust, a first filter 8 and a second filter 10 are respectively installed on the first branch pipeline 5 and the second branch pipeline 6 . The top of the pill storage tank 15 is provided with an interface, and the interface is connected with a filter dust collector 23 through a dust removal pipeline 22 through a pilot valve 21 .

As shown in Figures 1 and 2, in the present utility model, the part of the blowback pipeline 13 inside the shot storage tank 15 has an upwardly bent blowback elbow 13a, and a blowback elbow 13a is arranged above the blowback elbow 13a. Back blowing one-way valve 16, the back blowing one-way valve 16 is used to make the high-pressure airflow entering the shot storage tank 15 from the back blowing pipeline 13 form a strong vortex flow in the shot storage tank 15, generate contrast and press it to the shot storage tank 15 Bottom, blow the pellets into and out of the sand piping system.

The structure of the blowback check valve 16 is shown in Figure 2, which mainly includes a conical cap-shaped check valve body 16a, the conical cap-shaped check valve body 16a is placed on the back-blow elbow 13a, and the conical cap-shaped check valve body 16a The top of the valve body 16a is provided with a suction port 16b; the periphery of the conical cap-shaped check valve body 16a is provided with a silicone sealing ring 16c, and the inner diameter of the silicone seal ring 16c is larger than the upper end of the conical cap-shaped check valve body 16a The outer diameter is smaller than the outer diameter of the lower end of the cone-shaped one-way valve body 16a; when there is a high-pressure airflow blowing out in the back-blowing elbow 13a, the cone-hat-shaped one-way valve body 16a is lifted up by the high-pressure airflow, and the cone-hat-shaped one-way The outer peripheral wall of the valve body 16a is in close contact with the silicone sealing ring 16c, and the high-pressure airflow is ejected downward through the space between the inner wall of the conical cap-shaped one-way valve body 16a and the outer wall of the blowback elbow 13a, forming a strong vortex flow. In addition, the lower end of the conical cap-shaped one-way valve body 16a is also provided with an annular limiter to prevent the conical cap-shaped one-way valve body 16a from being blown out of the silicone sealing ring 16c by too strong airflow.

As shown in Figure 1, in the present utility model, described sand outlet pipeline system is mainly made up of connecting pipe 18, gate valve 17, angle valve 19 and sand outlet pipe 20, and the sand outlet at the bottom of connecting pipe 18 and shot tank 15 Connection, the gate valve 17 is installed on the connecting pipe 18, the outlet of the second two-position two normally closed solenoid valve 12 is connected to the connecting pipe 18 behind the gate valve 17 through the blowing pipeline 14, and the other end of the connecting pipe 18 is connected to the angle valve 19 , the outlet of the angle valve 19 is connected to the sand outlet pipe 20.

In specific applications, the intake pipe 1 is connected to the total air source, and compressed air is input. When the main drive air source switch 2 is turned on, the compressed air enters the accumulator 3 to form a high-pressure air flow, and then it is separated into two paths through the three-way pipe connection 4. ; The first high-pressure airflow enters the first two-position two normally closed solenoid valve 11 when the first driving air source switch 7 is turned on, the first two-position two normally closed solenoid valve 11 is energized and opened, and the first compressed airflow Enter the terminal through the back blowing pipeline 13 and reach the shot storage tank 15, form a strong vortex flow in the shot storage tank 15 through the back blowing check valve 16, generate contrast and press to the bottom of the shot storage tank 15, and blow the pellets into and out of the sand pipe road system.

At the same time, the second high-pressure airflow enters the second two-position two normally closed solenoid valve 12 when the second drive gas source switch 8 is turned on. The two-position normally closed solenoid valve 11 is synchronously linked, so the second two-position two normally closed solenoid valve 12 is also in the open state, and the second compressed air flow enters the sand discharge pipeline system through the blowing pipeline 14, the same as the first The air is collected to generate constant air pressure and air flow, preparing for the injection process of the next process.

When the first 2-position 2 normally closed solenoid valve 11 and the second 2-position 2 normally closed solenoid valve 12 are synchronously powered off and closed, the blowback check valve 16 returns to its original position, and the pellets immediately fall down to the storage tank. In the pill tank 15, it is stored or operated in a continuous cycle. At the same time, when the back blowing check valve 16 falls, the pilot valve 21 is activated, and the dust filter 23 sucks out the dust in the pill storage tank 15 and collects it by filtration.

Claims (8)

1. Shot blasting machine double gas path input linkage system, including the air intake pipe (1), the main drive air source switch (2) is installed on the air intake pipe (1), and it is characterized in that it also includes an accumulator (3), Three-way pipe connection (4), the first driving air source switch (7), the second driving air source switch (8), the first two-position two normally closed solenoid valve (11), the second two-position two normal Closed solenoid valve (12) and pellet storage tank (15); the inlet of the accumulator (3) is connected to the intake pipe (1), and the outlet of the accumulator (3) is connected to a three-way pipe connection (4) , an outlet of the three-way pipe (4) is connected to the inlet of the first two-position two normally closed solenoid valve (11) through the first branch pipe (5), and the first branch pipe (5) is installed with the first A drive air source switch (7), the outlet of the first two-position two normally closed solenoid valve (11) is connected to the inside of the shot storage tank (15) through the blowback pipeline (13), and the second shot storage tank (15) There is a sand outlet at the bottom, and the sand outlet is connected to the sand outlet pipeline system; the other outlet of the three-way pipe connection (4) is connected to the second two-position two-normally closed solenoid valve through the second branch pipe (6) (12), the second branch pipe (6) is installed with a second drive gas source switch (8), and the outlet of the second two-position two-normally closed solenoid valve (12) is connected to the Sand outlet pipeline system, the outlet of the sand outlet pipe (20) is used to connect the spray gun; the first two-position two normally closed solenoid valve (11) and the second two-position two normally closed solenoid valve (12) Synchronous linkage, open or close at the same time. 2. The dual gas path input linkage system of shot blasting machine according to claim 1, characterized in that: the accumulator (3) is a bladder accumulator (3) or an isolated gas accumulator (3) . 3. The shot blasting machine dual gas path input linkage system according to claim 1, characterized in that: first filters ( 8), the second filter (10). 4. The shot blasting machine dual air path input linkage system according to claim 1, characterized in that: the top of the shot storage tank (15) is provided with an interface, and the interface passes through the dust removal pipeline (22) through the pilot valve (21 ) is connected with the filter dust collector (23). 5. The dual air path input linkage system of shot blasting machine according to claim 1, characterized in that: the part of the blowback pipeline (13) inside the shot storage tank (15) has an upwardly bent blowback bend head (13a), and a blowback check valve (16) is set above the blowback elbow (13a). 6. The dual air path input linkage system of shot blasting machine according to claim 5, characterized in that: the back blowing one-way valve comprises a conical cap-shaped one-way valve body (16a), a conical cap-shaped one-way valve body ( 16a) Put it on the reverse blowing elbow (13a), the top of the conical cap-shaped one-way valve body (16a) is provided with a suction port (16b); the periphery of the conical cap-shaped one-way valve body (16a) is provided with silicone A sealing ring (16c), the inner diameter of the silicone sealing ring (16c) is larger than the outer diameter of the upper end of the conical cap-shaped one-way valve body (16a), and smaller than the outer diameter of the lower end of the conical cap-shaped one-way valve body (16a); When the blowback elbow (13a) has high-pressure air blowing out, the conical cap-shaped one-way valve body (16a) is lifted up by the high-pressure air flow, and the outer peripheral wall of the conical cap-shaped one-way valve body (16a) and the silicone sealing ring (16c) ) in close contact with the seal, and the high-pressure airflow is ejected downward through the space between the inner wall of the conical cap-shaped check valve body (16a) and the outer wall of the blowback elbow (13a), forming a strong vortex flow. 7. The linkage system of dual gas path input of shot blasting machine according to claim 6, characterized in that: the lower end of the cone-shaped one-way valve body (16a) is also provided with an annular limit platform. 8. The dual-air input linkage system of the shot blasting machine according to claim 1, characterized in that: the sand output pipeline system includes a connecting pipe (18), a gate valve (17), an angle valve (19) and a sand output pipeline system. pipe (20), the connecting pipe (18) is connected to the sand outlet at the bottom of the shot storage tank (15), the gate valve (17) is installed on the connecting pipe (18), and the second two-position two-normally closed solenoid valve ( The outlet of 12) is connected to the connecting pipe (18) behind the gate valve (17) through the blowing pipe (14), the other end of the connecting pipe (18) is connected to the angle valve (19), and the outlet of the angle valve (19) is connected to the sand outlet pipe ( 20).