CN207103001U - A kind of painting workshop compressed air stream gauge - Google Patents
A kind of painting workshop compressed air stream gauge Download PDFInfo
- Publication number
- CN207103001U CN207103001U CN201720891342.6U CN201720891342U CN207103001U CN 207103001 U CN207103001 U CN 207103001U CN 201720891342 U CN201720891342 U CN 201720891342U CN 207103001 U CN207103001 U CN 207103001U
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- cam
- compressed air
- air stream
- cylinder
- stream gauge
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Abstract
The utility model discloses a kind of painting workshop compressed air stream gauge, including a self-adjustable flowmeter and a pressurized tank, self-adjustable flowmeter connects with pressurized tank, the self-adjustable flowmeter includes cam, cylinder, piston, sliding block and lever, the cam is connected with motor, for providing power and action control, air inlet and exhaust outlet are provided with the cylinder, the piston is placed in the cavity of cylinder, and it is connected by connecting rod with cam, the sliding block is two, it is separately positioned on the air inlet and exhaust ports of cylinder, for controlling unlatching and the closure of the mouth of pipe, the lever is two, two sliding blocks are controlled respectively, the utility model can not only accurately measure the flow of compressed air, pressurized tank can also be coordinated to use, by way of dynamic adjusts flow velocity, to ensure the compressed air invariablenes pressure of liquid in pressurized tank.
Description
Technical field
Air flow metering device is the utility model is related to, specifically a kind of painting workshop compressed air stream gauge.
Background technology
The flow measurement of compressed air realized generally by installing flowmeter on the pipeline flowed through in compressed air,
For painting workshop, it is necessary to accomplish accurate measurement to the flow of compressed air, all there is respective lack in the mass air flow sensor used at present
Point, as calorimetric flowmeter is linear bad in different flow, vortex-shedding meter can not measure low discharge or rill measures
Amount is inaccurate.Painting workshop also requires the invariablenes pressure of liquid of output end compressed air in addition to needing to measure air mass flow.Existing survey
Measure equipment, it is impossible to reach requirement.
Utility model content
The purpose of this utility model is to provide a kind of painting workshop compressed air stream gauge, can overcome and deposit in the prior art
Measurement error it is big the defects of, additionally it is possible to dynamically control flow, so as to ensure output end pressure keep it is constant.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of painting workshop compressed air stream gauge, including a self-adjustable flowmeter and a pressurized tank, self-adjustable stream
Gauge connects with pressurized tank, and the self-adjustable flowmeter includes cam, cylinder, piston, sliding block and lever, the cam and driving
Motor connection, for providing power and action control, air inlet and exhaust outlet are provided with the cylinder, the piston is placed in gas
In the cavity of cylinder, and it is connected by connecting rod with cam, the sliding block is two, is separately positioned on the air inlet and exhaust outlet of cylinder
Place, for controlling unlatching and the closure of the mouth of pipe, the lever is two, controls two sliding blocks respectively.Described connecting rod one end and work
Plug is be hinged, and the other end is hinged with the eccentric shaft on cam.
Motor drives cam rotation, and cam is pumped by connecting rod band piston, and cam rotation can be controlled
Air inlet and exhaust outlet the alternating closure or openness of cylinder processed, so as to realize cam each rotation, piston can move back and forth once,
Send out the gas of fixed amount.As long as therefore count the rotating cycle and rotating speed of cam, it becomes possible to which statistics passes through compressed gas
Flow and flow rate.
In order to realize the pressure of dynamic control compressed air, instrument board, instrument board and self-adjustable are provided with pressurized tank
The connecting line for transmitting signal is provided between flowmeter.Instrument board can show atmospheric pressure value in pressurized tank and by self-regulated
The flow value of formula flowmeter, and a pressure value can set by instrument board.When the pressure of pressurized tank is less than setting value
When, self-adjustable flowmeter automatically can heighten flow velocity, so that the pressure increase in pressurized tank；On the contrary, when in pressurized tank
When pressure is less than setting value, self-adjustable flowmeter automatically can turn down flow velocity, so that the pressure in pressurized tank reduces, instrument
Data message transmission between disk and self-adjustable flowmeter relies on connecting line.
The beneficial effects of the utility model are：
The utility model can not only accurately measure the flow of compressed air, pressurized tank can also be coordinated to use, detection pressure
Pressure compares with setting pressure values in power tank, by way of dynamic adjusts flow velocity, to ensure the compressed air in pressurized tank
Invariablenes pressure of liquid.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is dimensional structure diagram of the present utility model.
Fig. 2 is planar structure schematic diagram of the present utility model.
Fig. 3 is the state one of flowmeter principle structure chart.
Fig. 4 is the state two of flowmeter principle structure chart.
Fig. 5 is the schematic diagram that flowmeter detects cam revolution using optocoupler.
In figure：1-self-adjustable flowmeter；2-air inlet pipe；3-connecting tube；4-escape pipe；5-pressurized tank；6-instrument
Disk；7-connecting line；8-cam；9-connecting rod；10-cylinder；11-piston；12-lever dolly；13-regulations and parameters；14-empty
Chamber；15-sliding block；16-exhaust outlet；17-air inlet；18-optocoupler.
Embodiment
Painting workshop compressed air stream gauge as illustrated in fig. 1 and 2, including a self-adjustable flowmeter 1 and a pressure
Tank 5, connected between self-adjustable flowmeter 1 and pressurized tank 5 by connecting tube 3, instrument board 6, instrument board are provided with pressurized tank 5
6 can show the atmospheric pressure value in pressurized tank 5 and the flow value by self-adjustable flowmeter 1, and can be set by instrument board 6
A fixed pressure value.When the pressure of pressurized tank 5 is less than setting value, self-adjustable flowmeter automatically can heighten flow velocity, so that
Obtain the pressure increase in pressurized tank 5；On the contrary, when the pressure in pressurized tank 5 is less than setting value, self-adjustable flowmeter can automatically by
Flow velocity is turned down, so that the pressure in pressurized tank 5 reduces.Data message transmission between instrument board 6 and self-adjustable flowmeter 1
By connecting line 7.
In use, after self-adjustable flowmeter 1 and pressurized tank 5 are combined by connecting tube 3, and pass through air inlet pipe 2 and outlet
The access conduit of pipe 4.
The internal structure of self-adjustable flowmeter 1, as shown in Figures 3 and 4.
The self-adjustable flowmeter 1 includes：
Cam 8, the cam 8 is connected with motor, for providing power and action control；
Cylinder 10, air inlet 17 and exhaust outlet 16 are provided with the cylinder 10；
Piston 11, the piston 11 are placed in the cavity 14 of cylinder 10, and are connected by connecting rod 9 with cam 8；Connecting rod 9 one
End is be hinged with piston 11, and the other end is hinged with the eccentric shaft on cam 8, and so as to realize that cam 8 rotates, band piston 11 is in cylinder
Moved back and forth in 10.
Sliding block 15, the sliding block 15 are two, are separately positioned at the air inlet 17 and exhaust outlet 16 of cylinder 10, for controlling
The unlatching of tubulation mouth and closure；
Lever 13, the lever 13 are two, control two sliding blocks 15 respectively, the one end of lever 13 is connected with sliding block 15, thick stick
Fixed in the middle part of bar by lever dolly 12, the other end of lever 13 is connected to cam outer rim.
As shown in Figures 3 and 4, operation principle is as follows, describes for convenience, and " on " " under " " left side " " right side " hereinafter is figure
Middle direction, motor band moving cam 8 are rotated, and cam 8 is pumped by connecting rod 9 with piston 11, such as Fig. 3, works as work
When plug 11 moves upwards, cam relatively large radius is located at right side, and now, the sliding block of control air inlet 17 is pressed by lever, air inlet
17 are opened, meanwhile, the sliding block of exhaust outlet 16 is pulled out by lever, and exhaust outlet 16 is closed, piston upwards, compressed air meeting
Enter in the cavity 14 of cylinder；Conversely, such as Fig. 4, when the piston is moving down, cam relatively large radius is located at left side, now, control
The sliding block of air inlet 17 processed is pulled out by lever, and air inlet 17 is closed, meanwhile, the sliding block of exhaust outlet 16 is pressed by lever, exhaust
Mouth 16 is opened, and piston is moved downward, and cylinder interior gas can be discharged.Above-mentioned action is repeated, gas can be by constantly from exhaust
Mouth 16 enters pressurized tank 5.
Because each rotation of cam 8, piston 11 can move back and forth once, that is, send out the gas of fixed amount.As long as therefore unite
Count out the rotating cycle and rotating speed of cam, it becomes possible to the flow and flow rate that statistics passes through compressed gas.Count the rotating cycle of cam 8
It can be described in detail below with the method for rotating speed.
As shown in figure 5, preferably, revolution in order to dosing cam exactly, can so as to calculate flow and flow rate
To set the photophore and light-receiving device of optocoupler 18, distance of the optocoupler 18 away from camshaft line, less than the maximum of cam in the both sides of cam 8
Radius and the least radius for being more than cam, so as to ensure cam rotation one week, can at least hinder between photophore and light-receiving device
It is in the light once.Also anti-dazzling screen or with cam coaxial is installed, and several printing opacity breach are uniformly arranged at anti-dazzling screen edge,
The edge of anti-dazzling screen sets optocoupler, can also reach the purpose of accurate measurement cam revolution.Certainly gear is installed with cam coaxial,
And mechanical counter is connected by gear, the purpose of counting can also be realized.
Preferably, one end of the lever 13 and cam contact is provided with rolling bearing, so as to reduce lever with
Frictional force between cam, it can also reduce abrasion, there is provided flexibility simultaneously increases the service life.
Preferably, be provided with torsion spring at lever dolly 12 and the jointed shaft of lever 13, the purpose is to ensure lever with it is convex
It is steadily contacted between wheel.
The defects of error is big when the utility model can overcome traditional vortex-shedding meter low speed, it is empty can accurately to measure compression
The flow of gas, in addition, by coordinating pressurized tank to use, can dynamic active accommodation flow velocity, so as to keep output compression
Air pressure is constant.
Disclosed above is only specific implementation of the patent example, but this patent is not limited to this, for the general of this area
For logical technical staff, on the premise of the utility model principle is not departed from, the deformation made should be regarded as belonging to the utility model
Protection domain.
Claims (8)
- A kind of 1. painting workshop compressed air stream gauge, it is characterised in that：Including a self-adjustable flowmeter (1) and a pressure Tank (5), self-adjustable flowmeter (1) and pressurized tank (5) connection, the self-adjustable flowmeter (1) include cam (8), cylinder (10), Piston (11), sliding block (15) and lever (13), the cam are connected with motor, for providing power and action control, institute State and air inlet and exhaust outlet are provided with cylinder, the piston (11) is placed in the cavity (14) of cylinder (10), and passes through connecting rod (9) it is connected with cam (8), the sliding block (15) is two, the air inlet and exhaust ports of cylinder is separately positioned on, for controlling The unlatching of the mouth of pipe and closure, the lever (13) are two, control two sliding blocks respectively.
- A kind of 2. painting workshop compressed air stream gauge according to claim 1, it is characterised in that：On pressurized tank (5) Instrument board (6) is provided with, the connecting line (7) for transmitting signal is provided between instrument board (6) and self-adjustable flowmeter (1).
- A kind of 3. painting workshop compressed air stream gauge according to claim 2, it is characterised in that：In cam (8) both sides The photophore and light-receiving device of optocoupler (18) be set, the distance of optocoupler (18) away from camshaft line, less than the maximum radius of cam and big In the least radius of cam.
- A kind of 4. painting workshop compressed air stream gauge according to claim 2, it is characterised in that：With cam coaxial at Anti-dazzling screen is set, and several printing opacity breach are uniformly arranged at anti-dazzling screen edge, optocoupler is set at the edge of anti-dazzling screen.
- A kind of 5. painting workshop compressed air stream gauge according to claim 2, it is characterised in that：Pacify at cam coaxial Cogged, and mechanical counter is connected by gear.
- A kind of 6. painting workshop compressed air stream gauge according to claim 1, it is characterised in that：The lever (13) with One end of cam (8) contact is provided with rolling bearing.
- A kind of 7. painting workshop compressed air stream gauge according to claim 1, it is characterised in that：In lever dolly (12) Torsion spring is provided with lever (13) jointed shaft.
- A kind of 8. painting workshop compressed air stream gauge according to claim 1, it is characterised in that：The connecting rod (9) one End is be hinged with piston (11), and the other end is hinged with the eccentric shaft on cam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720891342.6U CN207103001U (en) | 2017-07-21 | 2017-07-21 | A kind of painting workshop compressed air stream gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720891342.6U CN207103001U (en) | 2017-07-21 | 2017-07-21 | A kind of painting workshop compressed air stream gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207103001U true CN207103001U (en) | 2018-03-16 |
Family
ID=61585187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720891342.6U Active CN207103001U (en) | 2017-07-21 | 2017-07-21 | A kind of painting workshop compressed air stream gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207103001U (en) |
-
2017
- 2017-07-21 CN CN201720891342.6U patent/CN207103001U/en active Active
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