CN209247714U - It is suitble to the dress column switching device of more size column tubes - Google Patents
It is suitble to the dress column switching device of more size column tubes Download PDFInfo
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- CN209247714U CN209247714U CN201822136364.9U CN201822136364U CN209247714U CN 209247714 U CN209247714 U CN 209247714U CN 201822136364 U CN201822136364 U CN 201822136364U CN 209247714 U CN209247714 U CN 209247714U
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Abstract
The utility model relates to a kind of dress column switching devices for being suitble to more size column tubes, including rack, the noncontacting proximity sensor for sensing post pipe outside diameter size is additionally provided in rack, noncontacting proximity sensor is connected with PCL controller input terminal, and the indicator light of pipe outside diameter size is prompted to be connected to the output end of PLC controller；Column tube outer diameter data are sent to PLC controller by noncontacting proximity sensor, and PLC controller controls corresponding indicator light flashing；The forced air supply pipeline of cylinder is equipped with pressure switching valve, and the pipeline being connected to the first passage of pressure switching valve is equipped with first pressure regulating valve, and the pipeline being connected to the second channel of pressure switching valve is equipped with second pressure regulating valve.The utility model can facilitate switching tubing string pressure size according to tubing string model, and tubing string pressurization power output is stablized, and structure is simple.
Description
Technical field
The utility model relates to liquid chromatography technology field more particularly to a kind of dress column devices.
Background technique
It is pneumatically filled with system on the market at present, is only applicable to being filled with for same specification column tube, is not able to satisfy same and sets
Being filled with for standby suitable for various size column tube, can not meet the status of the increasingly increased column tube specification of user, Yong Huyao well
The equipment that the column tube of dress column different size just needs to buy plurality of specifications, results in the unnecessary wasting of resources in this way, increases life
Produce cost.
Summary of the invention
It is cut the purpose of this utility model is that the deficiencies in the prior art is avoided to provide a kind of dress column for being suitble to more size column tubes
Changing device, can realize the switching of Pneumatic pressure on the same device, and least cost meets the different dress column demand of user.
To achieve the above object, the technical solution that the utility model is taken are as follows: a kind of dress column for being suitble to more size column tubes is cut
Changing device, including rack, column tube are mounted on the rack by mounting flange, are equipped with above column tube and are provided the cylinder of pressure for it；
The cylinder lower end is equipped with press beam, is equipped with the tapered adapter that matches with column tube interface in press beam, and tapered adapter is from column
Tube top side pressure enters；Be additionally provided with the noncontacting proximity sensor for sensing post pipe outside diameter size in rack, noncontacting proximity sensor with
PCL controller input terminal is connected, and the indicator light of pipe outside diameter size is prompted to be connected to the output end of PLC controller；It is contactless
Column tube outer diameter data are sent to PLC controller by sensor, and PLC controller controls corresponding indicator light flashing；The pressure of cylinder
Supply air line is equipped with pressure switching valve, and the pipeline being connected to the first passage of pressure switching valve is adjusted equipped with first pressure
Valve, the pipeline being connected to the second channel of pressure switching valve are equipped with second pressure regulating valve.
Further, the indicator light is provided with multiple, and an indicator light corresponds to a kind of column tube of outer diameter specification.
Further, the offer range of the first pressure regulating valve pressure is 0-0.15bar, outside the column tube of corresponding installation
Diameter specification is 25-30mm.
Further, it is additionally provided with the first safety relief valve on the pipeline equipped with first pressure regulating valve, when first
When the pressure that pressure-regulating valve provides is more than 0.15bar, the first safety relief valve is with regard to releasing pressure automatically.
Further, the offer range of the second pressure regulating valve pressure is 0-7bar；The column tube outer diameter of corresponding installation
Specification is 40-50mm.
Further, it is additionally provided with the second safety relief valve on the pipeline equipped with second pressure regulating valve, when second
When pressure-regulating valve offer pressure is more than 7bar, the second safety relief valve releasing pressure automatically.
Further, the noncontacting proximity sensor and start button in parallel with the closed circuit company of probe power
It connects in PCL controller input terminal；Multiple indicator lights in parallel with pilot lamp power is closed circuit is connected to the defeated of PLC controller
Outlet.
Further, it is additionally provided with reversal valve on the forced air supply pipeline between the cylinder and pressure switching valve, controllably
Upper air, lower air inlet or stopping air inlet in cylinder processed.
Further, the cylinder is also connected with the stable cushion cylinder of its power output is guaranteed, cushion cylinder and unidirectional
Check-valves is connected, and the lubricating cup of storage cushion cylinder oil is also connected with one way stop peturn valve.One way stop peturn valve ensure that buffering
In-oil cylinder oil is smooth when flowing out cushion cylinder, and the speed flowed back in cushion cylinder again is adjustable, buffering
Oil cylinder guarantees that pressure is more stable in cylinder pressure process, guarantees that the pressure effect of tubing string is more preferable, and improve the cylinder service life.
The noncontacting proximity sensor is the model of Shanghai vibration measuring self-reacting device Co., Ltd production are as follows: CZ9300-
The noncontacting proximity sensor of 03-03-02-A01-01 or YDYT98-25-B-M10x1-50-30.
PLC type number is the model PLC-CPM1A-V1 series of products of Omron (China) Co., Ltd production, specifically may be used
To select CPM1A-10CDR-A-V1.
The beneficial effects of the utility model are: the utility model be using same dress column equipment, can be according to tubular column shape
Number facilitate switching tubing string pressure size: column tube outer diameter data are sent to PLC controller, PLC controller by noncontacting proximity sensor
The corresponding indicator light flashing of corresponding tubing string external gauge lattice is controlled, staff is switched according to the prompt of indicator light by pressure
Valve switches over the pressure on the supply air line of cylinder；It is able to satisfy user and fills the different dress column demand of column various specifications, tubing string
Power output of pressurizeing is stablized, and structure is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model PLC circuit connection schematic diagram；
Fig. 3 is the utility model pneumatic principle schematic diagram.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1: as shown in FIGS. 1 and 2, a kind of dress column switching device being suitble to more size column tubes, including rack 1, column tube are logical
It crosses mounting flange 2 to be mounted in rack 1, is equipped with above column tube and provides the cylinder 5 of pressure for it；5 lower end of cylinder is equipped with pressure
Beam 4, is equipped with the tapered adapter 3 to match with column tube interface in press beam 4, and tapered adapter 3 is pressed into from column tube top；Rack
The noncontacting proximity sensor 6 for sensing post pipe outside diameter size, noncontacting proximity sensor 6 and PCL controller 11 are additionally provided on 1
Input terminal is connected, and the first indicator light 7 of pipe outside diameter size and the second indicator light 8 is prompted to be connected to the output of PLC controller 11
End；Column tube outer diameter data are sent to PLC controller 11 by noncontacting proximity sensor 6, and PLC controller 11 controls corresponding indicator light
Flashing；The forced air supply pipeline of cylinder is equipped with pressure switching valve 15, staff passes through the first indicator light 7 and the second instruction
Pressure switching valve 15 on the supply air line of 8 pairs of lamp offer cylinder pressures carries out pressure switching, logical with the first of pressure switching valve
The pipeline of road connection is equipped with first pressure regulating valve 16, and the pipeline being connected to the second channel of pressure switching valve is equipped with second
Pressure-regulating valve 17.One indicator light corresponds to a kind of column tube specification.The offer of 16 pressure of first pressure regulating valve
Range is 0-0.15bar, as small pressure-regulating valve, and the tubing string outer diameter specification of corresponding installation is 25-30mm.Described equipped with small
The first safety relief valve 18 is additionally provided on the pipeline of pressure-regulating valve, when the pressure that small pressure-regulating valve provides is more than 0.15bar
When, the first safety relief valve 18 is with regard to releasing pressure automatically.The offer range of 17 pressure of second pressure regulating valve is 0-7bar, as
Big pressure-regulating valve；The outer diameter specification of the tubing string of corresponding installation is 40-50mm.On the pipeline equipped with big pressure-regulating valve
It is additionally provided with the second safety relief valve 19, when big pressure-regulating valve provides 19 automatic leakage of the second safety relief valve when pressure is more than 7bar
Pressure.The model of the noncontacting proximity sensor 6 are as follows: CZ9300-03-03-02-A01-01 or YDYT98-25-B-M10x1-
50-30 is that Shanghai vibration measuring self-reacting device Co., Ltd produces.Forced air supply between the cylinder and pressure switching valve
Reversal valve 9 is additionally provided on pipeline.It further include having for guaranteeing the stable cushion cylinder 12 of cylinder power output, cushion cylinder 12 and use
In the cylinder rod speed of cushion cylinder 12, unidirectionally adjustable one way stop peturn valve 13 is connected, and is also connected with one way stop peturn valve useful
In the lubricating cup 14 in storage cushion cylinder with oil.PLC type number is the model CPM1A- of Omron (China) Co., Ltd production
10CDR-A-V1。
Embodiment 2: it is same as Example 1, unlike: it is described when the tubing string outer diameter specification of installation is 25 and 40mm
The first indicator light 7 and the corresponding column tube outer diameter specification of the second indicator light 8 be 25 and 40, if first instruction 7 lamps it is bright, work
Make personnel and pressure switching valve 15 is adjusted to by first passage by the prompt of the first indicator light 7, is as equipped with first pressure regulating valve
On 16 pipeline.If the second indicator light 8 is bright, staff passes through and pressure switching valve 15 is adjusted in the prompt of the second indicator light 8
To second channel, as it is equipped on the pipeline of second pressure regulating valve 17.
Embodiment 3: it is same as Example 1, unlike: it is described when the tubing string outer diameter specification of installation is 25 and 50mm
The first indicator light 7 and the corresponding column tube outer diameter specification of the second indicator light 8 be 25 and 50, if first instruction 7 lamps it is bright, work
Make personnel and pressure switching valve 15 is adjusted to by first passage by the prompt of the first indicator light 7, is as equipped with first pressure regulating valve
On 16 pipeline.If the second indicator light 8 is bright, staff passes through and pressure switching valve 15 is adjusted in the prompt of the second indicator light 8
To second channel, as it is equipped on the pipeline of second pressure regulating valve 17.
Embodiment 4: it is same as Example 1, unlike: it is described when the tubing string outer diameter specification of installation is 30 and 40mm
The first indicator light 7 and the corresponding column tube outer diameter specification of the second indicator light 8 be 30 and 40, if first instruction 7 lamps it is bright, work
Make personnel and pressure switching valve 15 is adjusted to by first passage by the prompt of the first indicator light 7, is as equipped with first pressure regulating valve
On 16 pipeline.If the second indicator light 8 is bright, staff passes through and pressure switching valve 15 is adjusted in the prompt of the second indicator light 8
To second channel, as it is equipped on the pipeline of second pressure regulating valve 17.
Embodiment: 5: it is same as Example 1, unlike: it is described when the tubing string outer diameter specification of installation is 30 and 50mm
The first indicator light 7 and the corresponding column tube outer diameter specification of the second indicator light 8 be 30 and 50, if first instruction 7 lamps it is bright, work
Make personnel and pressure switching valve 15 is adjusted to by first passage by the prompt of the first indicator light 7, is as equipped with first pressure regulating valve
On 16 pipeline.If the second indicator light 8 is bright, staff passes through the prompt with the second indicator light 8 for pressure switching valve 15
It is adjusted to second channel, as on the pipeline equipped with second pressure regulating valve 17.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of dress column switching device for being suitble to more size column tubes, which is characterized in that including rack, column tube is pacified by mounting flange
Dress on the rack, is equipped with above column tube and provides the cylinder of pressure for it；The cylinder lower end be equipped with press beam, in press beam be equipped with
The tapered adapter that column tube interface matches, tapered adapter are pressed into from column tube top；
The noncontacting proximity sensor for sensing post pipe outside diameter size is additionally provided in rack, noncontacting proximity sensor and PCL are controlled
Device input terminal is connected, and the indicator light of pipe outside diameter size is prompted to be connected to the output end of PLC controller；Noncontacting proximity sensor will
Column tube outer diameter data are sent to PLC controller, and PLC controller controls corresponding indicator light flashing；
The forced air supply pipeline of cylinder is equipped with pressure switching valve, and the pipeline being connected to the first passage of pressure switching valve is equipped with
First pressure regulating valve, the pipeline being connected to the second channel of pressure switching valve are equipped with second pressure regulating valve.
2. being suitble to the dress column switching device of more size column tubes as described in claim 1, which is characterized in that the indicator light is set
It is equipped with multiple, an indicator light corresponds to a kind of column tube of outer diameter specification.
3. being suitble to the dress column switching device of more size column tubes as described in claim 1, which is characterized in that the first pressure tune
The offer range for saving valve pressure is 0-0.15bar, and the column tube outer diameter specification of corresponding installation is 25-30mm.
4. being suitble to the dress column switching device of more size column tubes as claimed in claim 3, which is characterized in that be equipped with first described
The first safety relief valve is additionally provided on the pipeline of pressure-regulating valve, when the pressure that first pressure regulating valve provides is more than 0.15bar
When, the first safety relief valve is with regard to releasing pressure automatically.
5. being suitble to the dress column switching device of more size column tubes as described in claim 1, which is characterized in that the second pressure tune
The offer range for saving valve pressure is 0-7bar；The column tube outer diameter specification of corresponding installation is 40-50mm.
6. being suitble to the dress column switching device of more size column tubes as claimed in claim 5, which is characterized in that be equipped with second described
The second safety relief valve is additionally provided on the pipeline of pressure-regulating valve, when second pressure regulating valve, which provides pressure, is more than 7bar, the
Two safety relief valve releasing pressure automaticallies.
7. being suitble to the dress column switching device of more size column tubes as described in claim 1, which is characterized in that described is contactless
Sensor and start button in parallel with probe power is closed circuit is connected to PCL controller input terminal；Multiple indicator lights
In parallel with the closed circuit output end for being connected to PLC controller of pilot lamp power.
8. being suitble to the dress column switching device of more size column tubes as described in claim 1, which is characterized in that in the cylinder and pressure
Reversal valve is additionally provided on forced air supply pipeline between power switching valve.
9. the dress column switching device for being suitble to more size column tubes as described in claim 1 to 7 is any, which is characterized in that the gas
Cylinder cushion cylinder also stable with its power output is guaranteed is connected, and cushion cylinder is connected with one way stop peturn valve, storage buffering oil
The lubricating cup of cylinder oil is also connected with one way stop peturn valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136364.9U CN209247714U (en) | 2018-12-19 | 2018-12-19 | It is suitble to the dress column switching device of more size column tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136364.9U CN209247714U (en) | 2018-12-19 | 2018-12-19 | It is suitble to the dress column switching device of more size column tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247714U true CN209247714U (en) | 2019-08-13 |
Family
ID=67533885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822136364.9U Active CN209247714U (en) | 2018-12-19 | 2018-12-19 | It is suitble to the dress column switching device of more size column tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209247714U (en) |
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2018
- 2018-12-19 CN CN201822136364.9U patent/CN209247714U/en active Active
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