CN213828604U - Air passage control device for sand blasting machine - Google Patents
Air passage control device for sand blasting machine Download PDFInfo
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- CN213828604U CN213828604U CN202022814860.2U CN202022814860U CN213828604U CN 213828604 U CN213828604 U CN 213828604U CN 202022814860 U CN202022814860 U CN 202022814860U CN 213828604 U CN213828604 U CN 213828604U
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Abstract
The utility model relates to the technical field of sand blasting machine equipment, in particular to an air path control device for a sand blasting machine, which comprises a main air path and a control air path connected with the main air path, wherein the main air path comprises a filtering and pressure reducing valve connected with an air source, and an air filter is arranged between the air source and the filtering and pressure reducing valve; the control gas circuit comprises an electromagnetic valve, a throttle valve connected with the electromagnetic valve and a pressure difference sensing device connected with the throttle valve, and the pressure difference sensing device is connected with the spray gun; the pressure difference sensing device comprises a pressure difference sensor, and a first pressure gauge is arranged on the pressure difference sensor; the utility model discloses an installation pressure differential sensing device on the control gas way of being connected with the spray gun, the real-time sandblast pressure of demonstration that can be accurate to 0.001Mpa, thereby can play accurate parameter control effect to sandblast operation technology, make the roughness on sandblast workpiece surface have fine uniformity, and then improve product quality.
Description
Technical Field
The utility model relates to a sand blasting machine equipment technical field especially relates to an air circuit control device for sand blasting machine.
Background
At present, the air passage control of the traditional sand blasting machine mainly adjusts the pressure of compressed air through a filtering and reducing valve, which is one of the main control modes adopted by the sand blasting machine in the market at present. The precision of the existing filtering pressure reducing valve is only 0.01Mpa, and the existing filtering pressure reducing valve is generally arranged near the air inlet of the main air path and is not consistent with the pressure of compressed air sprayed from an actual spray gun port, so that the existing control mode cannot accurately reflect the pressure sprayed from the spray gun nozzle, and the process of sand blasting operation cannot be accurately guided.
In the prior art, when the workpiece needing sand blasting needs to reach an accurate roughness value, the accurate roughness value can be generally carried out only by depending on experiments. The new gas circuit and the initial stage of the spray gun may not have great influence, but after the spray gun is used for a period of time, the caliber of the spray nozzle can be enlarged due to the abrasion effect of the abrasive, the pressure of the sand blasting of the spray nozzle is smaller than that of the new spray nozzle, the roughness value of the workpiece after sand blasting processing can be changed by directly feeding back, the reason of the change cannot be analyzed, and the number of the changed value cannot be displayed. Therefore, the present application needs to design an air path control device for a sand blasting machine to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the air circuit control device for sand blasting machine who provides adopts and increases pressure differential sensor device on the gas circuit, can be accurate show real-time sandblast pressure to can play accurate parameter control effect to sandblast operation technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air path control device for a sand blasting machine comprises a main air path and a control air path connected with the main air path, wherein the main air path comprises a filtering pressure reducing valve connected with an air source, and an air filter is arranged between the air source and the filtering pressure reducing valve; the control gas circuit comprises an electromagnetic valve, a throttle valve connected with the electromagnetic valve and a pressure difference sensing device connected with the throttle valve, and the pressure difference sensing device is connected with the spray gun; the pressure difference sensing device comprises a pressure difference sensor, and a first pressure gauge is arranged on the pressure difference sensor.
Preferably, the differential pressure sensing device further comprises an audible and visual alarm.
Preferably, a second pressure gauge is arranged on the filtering and pressure reducing valve.
Preferably, the gas circuit control device further comprises a remote control end, and the remote control end is in wireless connection with the filtering pressure reducing valve and the pressure difference sensing device.
Preferably, the remote control terminal is a monitoring host or a mobile client.
The utility model discloses following beneficial effect has: the utility model relates to an air circuit control device for a sand blasting machine, which comprises a main air circuit and a control air circuit connected with the main air circuit, wherein the main air circuit comprises a filtering and pressure reducing valve connected with an air source, and an air filter is arranged between the air source and the filtering and pressure reducing valve; the control gas circuit comprises an electromagnetic valve, a throttle valve connected with the electromagnetic valve and a pressure difference sensing device connected with the throttle valve, and the pressure difference sensing device is connected with the spray gun; the pressure difference sensing device comprises a pressure difference sensor, and a first pressure gauge is arranged on the pressure difference sensor; the utility model discloses an installation pressure differential sensing device on the control gas way of being connected with the spray gun, the real-time sandblast pressure of demonstration that can be accurate to 0.001Mpa, thereby can play accurate parameter control effect to sandblast operation technology, make the roughness on sandblast workpiece surface have fine uniformity, and then improve product quality.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the middle differential pressure sensing device of the present invention.
In the figure: the device comprises a main gas circuit 1, a control gas circuit 2, a gas source 3, a filtering pressure reducing valve 4, an air filter 5, an electromagnetic valve 6, a throttle valve 7, a differential pressure sensing device 8, a spray gun 9, a differential pressure sensor 10, a first pressure gauge 11, an audible and visual alarm 12, a second pressure gauge 13 and a remote control end 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, an air path control device for a sand blasting machine comprises a main air path 1 and a control air path 2 connected with the main air path 1, wherein the main air path 1 comprises a filtering and pressure reducing valve 4 connected with an air source 3, and an air filter 5 is arranged between the air source 3 and the filtering and pressure reducing valve 4; the control gas circuit 2 comprises an electromagnetic valve 6, a throttle valve 7 connected with the electromagnetic valve 6 and a pressure difference sensing device 8 connected with the throttle valve 7, and the pressure difference sensing device 8 is connected with a spray gun 9; the differential pressure sensing device 8 comprises a differential pressure sensor 10, and a first pressure gauge 11 is arranged on the differential pressure sensor 10.
In this embodiment, the structure of the filtering and pressure reducing valve 4 of the main gas circuit 1 is maintained, a pressure difference sensing device 8 is additionally arranged on the control gas circuit 2 connected with the spray gun 9, the filtering and pressure reducing valve 4 on the main gas circuit 1 is used as a device for roughly adjusting pressure, then the pressure displayed by a first pressure gauge 11 on a pressure difference sensor 10 of the pressure difference sensing device 8 is used during sand blasting operation, and the filtering and pressure reducing valve 4 on the main gas circuit 1 is adjusted to reach the sand blasting pressure required by the process. Meanwhile, the differential pressure sensing device 8 can accurately display the reading to be 0.000 MPa, and the roughness of the surface of the workpiece obtained by sand blasting operation has good consistency through the sand blasting pressure adjusted by the differential pressure sensing device 8.
Specifically, the differential pressure sensing device 8 further comprises an audible and visual alarm 12.
In this embodiment, the audible and visual alarm 12 is adopted, so that the differential pressure sensing device 8 can perform a fault alarm function on the gas circuit. For example, when there is tiny leakage in whole gas circuit, and the filtration relief valve table of main gas circuit shows pressure and does not change, but the strength of sandblast operation will weaken, and the numerical value that shows of differential pressure sensor 10 will be lower than the numerical value that sets up before this moment, and audible-visual annunciator 12 sends audible-visual annunciator, and the suggestion staff has the sand leakage phenomenon, can effectual reduction sandblast operation's loss (work piece surface roughness numerical value is not up to standard, or the work piece is unqualified after the sandblast).
Specifically, a second pressure gauge 13 is arranged on the filtering and pressure reducing valve 4.
In this embodiment, the pressure of the filtering and pressure reducing valve 4 can be displayed by using the second pressure gauge 13.
Specifically, the gas circuit control device further comprises a remote control end 14, and the remote control end 14 is in wireless connection with the filtering and pressure reducing valve 4 and the differential pressure sensing device 8.
The remote control end 14 is a monitoring host or a mobile client.
In this embodiment, adopt monitoring host computer or mobile client convenient to staff's pressure condition when knowing the sandblast operation in real time to in time make the adjustment, thereby make the roughness on the work piece surface that the sandblast operation obtained have good uniformity, carry out intelligent, remote control.
In addition, it should be noted that the filtering pressure reducing valve, the air filter, the solenoid valve, the throttle valve, the differential pressure sensor, etc. in the present embodiment are not substantially different from the prior art, and therefore, the structure and the operation principle thereof are not explained in detail herein.
In conclusion, this air circuit controlling means for sand blasting machine through install pressure differential sensing device on the control gas way of being connected with the spray gun, can be accurate show real-time sandblast pressure to accurate to 0.001Mpa, thereby can play accurate parameter control effect to the sandblast operation technology, make the roughness on sandblast work piece surface have fine uniformity, and then improve product quality.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. An air path control device for a sand blasting machine comprises a main air path (1) and a control air path (2) connected with the main air path (1), and is characterized in that the main air path (1) comprises a filtering and pressure reducing valve (4) connected with an air source (3), and an air filter (5) is arranged between the air source (3) and the filtering and pressure reducing valve (4); the control gas circuit (2) comprises an electromagnetic valve (6), a throttle valve (7) connected with the electromagnetic valve (6) and a pressure difference sensing device (8) connected with the throttle valve (7), and the pressure difference sensing device (8) is connected with a spray gun (9); the pressure difference sensing device (8) comprises a pressure difference sensor (10), and a first pressure gauge (11) is arranged on the pressure difference sensor (10).
2. An air circuit control device for a blasting machine according to claim 1, characterized in that said pressure differential sensing means (8) further comprises an audible and visual alarm (12).
3. An air passage control device for a sand blasting machine according to claim 1, characterized in that a second pressure gauge (13) is provided on the filter pressure reducing valve (4).
4. The air circuit control device for the sand blasting machine as claimed in claim 1, characterized in that the air circuit control device further comprises a remote control end (14), and the remote control end (14) is wirelessly connected with the filtering pressure reducing valve (4) and the differential pressure sensing device (8).
5. An air circuit control device for a sand blasting machine according to claim 4, characterized in that the remote control end (14) is a monitoring host or a mobile client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022814860.2U CN213828604U (en) | 2020-11-29 | 2020-11-29 | Air passage control device for sand blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022814860.2U CN213828604U (en) | 2020-11-29 | 2020-11-29 | Air passage control device for sand blasting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213828604U true CN213828604U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022814860.2U Active CN213828604U (en) | 2020-11-29 | 2020-11-29 | Air passage control device for sand blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213828604U (en) |
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2020
- 2020-11-29 CN CN202022814860.2U patent/CN213828604U/en active Active
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