CN208043315U - A kind of pressure alarm of grinding machine - Google Patents
A kind of pressure alarm of grinding machine Download PDFInfo
- Publication number
- CN208043315U CN208043315U CN201820589911.6U CN201820589911U CN208043315U CN 208043315 U CN208043315 U CN 208043315U CN 201820589911 U CN201820589911 U CN 201820589911U CN 208043315 U CN208043315 U CN 208043315U
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- sensor
- shell
- pressure sensor
- mounting frame
- eardrum
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Abstract
The utility model discloses a kind of pressure alarms of grinding machine, it is related to equipment for grinding technical field.Shell is equipped with outside its resistive pressure sensor, resistive pressure sensor is equipped with foil gauge, strain gauge adhesion is on metal eardrum, metal eardrum is nested at pressure sensor rear shell center, pressure sensor rear shell is mounted on mounting frame for sensor, the junction of mounting frame for sensor and metal eardrum is equipped with cavity, it is gas outlet on the right side of cavity, there is cylindrical airway hole below mounting frame for sensor, venthole is connected to cavity, mounting frame for sensor two bottom sides are beaten respectively there are one screw hole, and there are heat emission hole in shell both sides.The utility model has the beneficial effect that：It can be manually entered a reference value, and when current value and a reference value difference are more than setting range, trigger signal exports and give PLC, and PLC receives alarm and arrestment operating after signal.
Description
Technical field
The utility model is related to equipment for grinding technical fields, and in particular to a kind of pressure alarm of grinding machine.
Background technology
With the development of industrial automation, traditional process equipment is banned by modern electrical equipment.From hand-rail type
Lathe arrives semi-automatic controlling machine, then arrives integration machine tool, reflects and automates field of intelligent control of having marched toward.Grinding industry is certainly
One branch of dynamicization, but compared to numerically controlled lathe, for milling machine, technical field is perfect not enough.
Existing market equipment for grinding much still uses traditional pressure gauge, i.e., by theory of mechanics, by pressure with dial plate,
The form of pointer is shown.But this pressure gauge is when working at night, it is necessary to registration could be read by ambient, by
It is limited in condition, it is not noticeable in the simple and crude workshop operation of dark or condition, and do not have when pressure overload or underload
Feedback mechanism cannot be accomplished timely to alarm and adjust.In machine tool grinding turning work piece, cylinder-pressing fixture is needed, therefore air pressure reaches
When less than designated value, cylinder pressure can not reach prestressing force, in grinding process, it may occur that workpiece flies out, to operation
Personnel cause personal injury.In the high polishing workshop of dust concentration, panel is easily accessible dust, influences its service life.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of simple in structure, design conjunction is provided
Reason, pressure alarm easy to use, grinding machine, venthole and gas outlet are dissolved into air pressure alarm by it, are solved
The incompatibility problem that model different band is come, while simpler convenience is installed, adoption status detects indicator light, works as pressure value
When within the allowable range, indicator light is detected by illuminating state and conveys the normal information of air pressure registration to user, meanwhile, air pressure is super
When going out except user's setting range, it can be exported by output lead and alarm and stop after high level receives signal to PLC, PLC
Equipment operation.
In order to solve the problems existing in background technology, the technical solution adopted in the utility model is：It includes resistance-type
Pressure sensor, shell, mounting frame for sensor, cavity, venthole, gas outlet, screw hole；The resistive pressure sensor
Outside is equipped with shell, and resistive pressure sensor is equipped with foil gauge, and on metal eardrum, metal eardrum is nested in strain gauge adhesion
At pressure sensor rear shell center, pressure sensor rear shell is mounted on mounting frame for sensor, mounting frame for sensor and gold
The junction for belonging to eardrum is equipped with cavity, is gas outlet on the right side of cavity, has cylindrical airway hole below mounting frame for sensor, lead to
Stomata is connected to cavity, and mounting frame for sensor two bottom sides are beaten respectively there are one screw hole, and there are heat emission hole in shell both sides.
Further, the front panel of the shell has double charactron, the charactron of resistive pressure sensor and upper row
Connection, resistive pressure sensor, lower row's charactron are connect with PLC.
Further, the stateful detection indicator light of the front panel of the shell, regulation button and function setting key, state inspection
Indicator light, regulation button, function setting key is surveyed to connect with PLC.
Further, it is cased with front panel protective cover before the resistive pressure sensor.
With the above structure, the utility model has the beneficial effect that：It can be manually entered a reference value, in current value and base
When quasi- value difference value is more than setting range, trigger signal exports and gives PLC, and PLC receives alarm and arrestment fortune after signal
Turn.
Description of the drawings
Fig. 1 is the side view of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the enlarged diagram of the metal eardrum of the utility model.
Reference sign：Resistive pressure sensor 1, pressure sensor rear shell 11, foil gauge 12, metal eardrum 13,
Shell 2, mounting frame for sensor 3, cavity 4, venthole 5, gas outlet 6, screw hole 7, front panel protective cover 8, heat emission hole 9.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is further described.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment, the present invention will be further described in detail.It should be appreciated that the specific embodiments described herein are only used
To explain the utility model, it is not used to limit the utility model.
As shown in Figs. 1-3, present embodiment adopts the following technical scheme that：It includes resistive pressure sensor 1, outer
Shell 2, mounting frame for sensor 3, cavity 4, venthole 5, gas outlet 6, screw hole 7；It is set outside the resistive pressure sensor 1
There are shell 2, resistive pressure sensor 1 to be equipped with foil gauge 12, foil gauge 12 is pasted onto on metal eardrum 13, and metal eardrum 13 is embedding
It is sleeved at 11 center of pressure sensor rear shell, pressure sensor rear shell 11 is mounted on mounting frame for sensor 3, sensor installation
The junction of holder 3 and metal eardrum 13 is equipped with cavity 4, and 4 right side of cavity is gas outlet 6, is had below mounting frame for sensor 3
Cylindrical airway hole 5, venthole 5 are connected to cavity 4, and 3 two bottom sides of mounting frame for sensor are beaten respectively there are one screw hole 7,
There are heat emission hole 9 in 2 both sides of shell.
Further, the front panel of the shell 2 has double charactron, the number of resistive pressure sensor 1 and upper row
Code pipe connection, resistive pressure sensor 1, lower row's charactron are connect with PLC.
Further, the stateful detection indicator light of the front panel of the shell 2, regulation button and function setting key, shape
State detection indicator light, regulation button, function setting key are connect with PLC.
Further, 1 front of the resistive pressure sensor is cased with front panel protective cover 8.
Operation principle is as follows：After powering to resistive pressure sensor 1, into original state, user can be according to corresponding
Demand setup parameter, be shown in lower row's charactron, pressing function setting key can automatically save, after being passed through air pressure, internal circuit
It starts to work, uses resistive pressure sensor 1 as receptor, when air-flow is flowed into from venthole 5, one is generated to 4 wall of cavity
Constant-pressure, under the pressure effect of air-flow miniature deformation occurs for foil gauge 12, to make 12 resistance of foil gauge generate certain proportion
Variation, by the conversion circuit built in sensor by the physical quantity of resistance-strainIt is converted into electrical quantities, turned by ADC moduluses
Parallel operation analog quantity transform into digital quantity carry out output be shown in upper row's charactron.
While digital quantity is shown, current pressure values are compared with user's setup parameter value, when pressure value exceeds
When user's setting range, trigger switch circuit output 24V voltages, the voltage of output is linked into I/O plates by output switch parameter interface
The input terminal of card, and by PLC air pressure alarm input port I0.0 by low level set high level, realize that PLC program interrupts control
System, you can logic control function is realized, to complete the self-stopping function of equipment for grinding.
Front panel protective cover 8 is sleeved on 2 surface of shell, can not only prevent dust, but also the effect of protection front panel can be played, it will
Device is mounted at equipment air inlet, air inlet can mating rotary air pressure regulator use, gas outlet 6 is connected into equipment gas
Cylinder input port, or connection oil pump（Gas is mixed into a little machine oil can be to cylinder lubrication）, device is fixed on lathe with M4 screws
On.
Present embodiment is directed to the actual demand of grinding machine, and pressure alarm is made with pressure sensor, can be with
Physical quantity is transformed into the electrical quantities easily surveyed, then by conversion circuit by electric signal output, realized logical with programmable controller
News complete the automatic function of detecting, stop.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (4)
1. a kind of pressure alarm of grinding machine, it is characterised in that including resistive pressure sensor, shell, sensor installation
Holder, cavity, venthole, gas outlet, screw hole；Shell is equipped with outside the resistive pressure sensor, resistive pressure passes
Sensor is equipped with foil gauge, and strain gauge adhesion is on metal eardrum, and metal eardrum is nested at pressure sensor rear shell center, pressure
Sensor rear shell is mounted on mounting frame for sensor, and the junction of mounting frame for sensor and metal eardrum is equipped with cavity, empty
It is gas outlet on the right side of chamber, has cylindrical airway hole, venthole to be connected to cavity below mounting frame for sensor, sensor installation
Frame bottom both sides are beaten respectively there are one screw hole, and there are heat emission hole in shell both sides.
2. a kind of pressure alarm of grinding machine according to claim 1, it is characterised in that the front panel of the shell
There are double charactron, resistive pressure sensor to be connect with the charactron of upper row, resistive pressure sensor, lower row's charactron are equal
It is connect with PLC.
3. a kind of pressure alarm of grinding machine according to claim 1, it is characterised in that the front panel of the shell
Stateful detection indicator light, regulation button and function setting key, state-detection indicator light, regulation button, function setting key and PLC
Connection.
4. a kind of pressure alarm of grinding machine according to claim 1, it is characterised in that the resistive pressure passes
Front panel protective cover is cased with before sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589911.6U CN208043315U (en) | 2018-04-24 | 2018-04-24 | A kind of pressure alarm of grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589911.6U CN208043315U (en) | 2018-04-24 | 2018-04-24 | A kind of pressure alarm of grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043315U true CN208043315U (en) | 2018-11-02 |
Family
ID=63927800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820589911.6U Active CN208043315U (en) | 2018-04-24 | 2018-04-24 | A kind of pressure alarm of grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208043315U (en) |
-
2018
- 2018-04-24 CN CN201820589911.6U patent/CN208043315U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |