CN207232049U - X ray fluorescence spectrometry sample preparation device - Google Patents
X ray fluorescence spectrometry sample preparation device Download PDFInfo
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- CN207232049U CN207232049U CN201720912963.8U CN201720912963U CN207232049U CN 207232049 U CN207232049 U CN 207232049U CN 201720912963 U CN201720912963 U CN 201720912963U CN 207232049 U CN207232049 U CN 207232049U
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Abstract
It the utility model is related to a kind of x ray fluorescence spectrometry sample preparation device, it is characterized in that, including compression molding unit, the compression molding unit includes upper stage and lower stage, hydraulic motor and the screw by fluid motor-driven are installed in the upper stage, mould is installed in the lower stage and is provided with the hydraulic cylinder of mandril, the mold center is provided with die hole, and the position of the screw, die hole and mandril coaxially corresponds to.The sample preparation device can realize that maximum pressure reaches the powder pressure-like sample preparation of 3200KN, have broad application prospects.
Description
Technical field
It the utility model is related to sheeting equipment field, and in particular to a kind of x ray fluorescence spectrometry sample preparation device.
Background technology
Now with the rapidly development of computer technology and analysis theories, XRF analysis become to element in sample into
Maturation, the quick analytical technology of high precision of point analysis, because its test object pre-treatment is required simple, applicable liquid,
The different shape sample testing such as solid, gas, can realize to being measured while multielement, and test elements scope is wide (beryllium~uranium),
Concentration range is wide to reach ppm-100%, favorable reproducibility and can realize non-destructive analysis to sample and to some samples
In have many advantages, such as precision comparable to chemical analysis, and be widely applied.
Either use large-scale lab bench XRF analysis equipment or portable equipment, in routine analysis, measurement and
The acquisition of data and analyzing and processing have all been completed via powerful computer-controlled program, are excessively done completely without user
In advance.User will obtain accurate analysis result, and pre-treatment sample making technology and its device become key.XRF analysis are a kind of opposite
Analysis and surface analysis method, any sample making course and step must have very good repetitive operation possibility, it has to be noted that analysis
Whether face is representative relative to whole sample, in addition it also must be noted that whether the particle mean size and size distribution of sample have change
Change, with the presence or absence of factors such as non-uniform porous states in sample.Sample preparation procedure by multi-step due to operating at the same time, also
It must be prevented from the loss and contamination of sample.
For powder sample in XRF analysis, usually there are two kinds of pressed powder sample preparation method and bead sample preparation method, it is used
Equipment be respectively tablet press machine and molten model machine.At present, pressed powder sample preparation method is that XRF analysis often use method for making sample, its protrusion is excellent
Putting is：Sample preparation is easy, and economy, speed are fast, is adapted to big production and quick analysis.Shortcoming is：Mineral effect cannot be effectively eliminated
Should with overcome granularity effect completely, when run into sample itself cohesive force it is small when, during such as the high sample of this silicon content of silica,
It must use addition binding agent could be compressing, and not only to influence sample preparation speed more important for the addition of binding agent, can influence
To some light elements and trace element analysis sensitivity.To retain the premise for the advantages that tabletting sample preparation is easy, quick, economic
Under, solve the above problems, high pressure effect is lower to realize to be an effective way to the direct sample preparation of powder sample.Patent
(CN201310125722, CN201020642764) reports x-ray fluorescence light spectroscopic methodology high-pressure sample manufacturing technology and high compacting
Original mold has, while this high-pressure sample manufacturing technology is used rock-like, biological sample, coal sample, water sediment etc. by Zhang Qin et al.
The XRF analysis of multiple element, sample made from the results show are carried out in the pressed powder sample preparation of sample and to sample, surface causes
It is close, smooth, smooth, not stratified, be not cracked dry linting, effectively reduce granularity effect and mineral effect, meet XRF analysis well
It is required that improving sensitivity for analysis, accuracy and the precision of some light elements are particularly.
Utility model content
Current pressed powder sample preparation device (having manually and automatically type) existing commercial on the market, there is provided pressure exist
200KN~600KN, sample preparation pressure is relatively low, and exist to certain form of sample (such as ore, quartz) cannot very well into
Type is, it is necessary to add binding agent which results in more serious granularity effect and mineral effect, and due to not fine and close there are print, easily
Dry linting etc., which increases, pollutes XRF device, influences instrument service life, therefore constrains XRF analysis applicability and detect sensitive
Degree.And to realize high-pressure sample manufacturing function, the sensitivity to powder sample XRF and the scope of application are improved, then needs to manufacture and design XRF
Dedicated high-pressure sample manufacturing device, service pressure are more than more than 2000KN, and sample making course is designed at the same time by procedure auto-control
The sampling die used under dedicated high pressure.
That is, the utility model solve technical problem be：The existing special sample preparation device of XRF analysis powder pressing method, nothing
By being that type hand or power type sample preparation device have the defects of following obvious：(1) the pressure-like pressure that can be provided generally exists
Between 200KN-600KN, this pressure limit is relatively low, and the sample homogeneity of compacting, any surface finish type cannot ensure very well, and print is fine and close
Property it is inadequate, when detecting may exist cracking dry linting situations such as, pollution detection instrument.(2) to some type of sample (rock,
High silicon sample, ore etc.), it is impossible to directly suppressed, binding agent need to be added, this, which have impact on, divides trace element and light element
Precision is analysed, is unfavorable for high-precision XRF analysis, XRF is limited and is used as a kind of fast and effectively analytical technology in these samples
Application.(3) inconvenient for operation, repeatability is bad, especially if the sample preparation device of type hand is, it is necessary to which user manually grasps
Make, it is impossible to ensure the reappearance of sample preparation very well.(4) the XRF analysis powder pressing method sample-preparing system overwhelming majority is spacious at present
Open type, safeguard procedures safe to use are few, and Integral design is concentrated using pressure sample preparation component and control unit, in use,
Manual intervention is more, due to being press device, using pressure in 200KN-600KN, mould inevitably occurs and the danger such as flies out, therefore
Safe handling property is poor.
The purpose of this utility model is：(1) a kind of dedicated super-pressure sample preparation device of XRF analysis is provided, is up to providing
The sample preparation pressure of 3200KN, is 5 times of conventional sample making apparatus, a set of boosting depressurized system safely and fast, while pressure system
Stability is high, safety durable.(2) fill up current routine XRF sample preparation devices can not to some type of sample (rock, high silicon sample,
Ore etc.) directly sample preparation blank, effectively decrease or even eliminate granularity effect and mineral effect, expand powder pressing method sample preparation
The scope of application, widens the XRF analysis adaptability of technology.(2) a kind of sample preparation device is provided, device uses PLC Automatic Controls, ensures
Customizable boosting release program, makes to prepare sample under high pressure, with existing sample preparation device ratio, the situation in sample preparation pressure for 3000KN
Under, sample preparation speed is still very fast (3min can be completed), and sample preparation reappearance is ensured, it is ensured that is automatically controlled, is met XRF analysis pair
The reappearance high request of sample preparation.(4) the supporting die for special purpose for being resistant to the long-term high intensity effect of up to 3200KN pressure is realized in design
Tool.(5) enclosed sampling is realized, console and super-pressure sample preparation platform room are separately designed, and sample preparation chamber is designed with multiple-protection, control
Platform can realize safe handling with far distance controlled.
Specifically, in view of the deficiencies of the prior art, the utility model provides following technical solution：
A kind of x ray fluorescence spectrometry sample preparation device, it is characterised in that including compression molding unit, the tabletting into
Type unit includes upper stage and lower stage, and hydraulic motor and the screw by fluid motor-driven, institute are provided with the upper stage
The hydraulic cylinder for mould being provided with lower stage He being provided with mandril is stated, the mold center is provided with die hole, the screw, mould
Hole and the position of mandril coaxially correspond to.
Preferably, in above-mentioned sample preparation device, the upper stage is connected with lower stage by column.
Preferably, in above-mentioned sample preparation device, the mould includes hollow die coat, the die coat outer wall installation
There is protective jacket, cutting ferrule is installed in the lower stage, coordinate with the protective jacket.
Preferably, in above-mentioned sample preparation device, reduction gear component is provided between the hydraulic motor and screw.
Preferably, in above-mentioned sample preparation device, the screw surrounding is provided with dust cover.
Preferably, in above-mentioned sample preparation device, the sample preparation device further includes the lower sheet metal component and wall panel structure of frame structure
Outside sheet metal component.
Preferably, in above-mentioned sample preparation device, the sample preparation device further includes hydraulic power unit.
Preferably, in above-mentioned sample preparation device, the hydraulic power unit includes fuel tank, the motor and and motor being arranged in fuel tank
The hydraulic pump of connection, described hydraulic pump one end are connected with fuel tank, the other end by two parallel cartridges be connected to motor and
Hydraulic cylinder.
Preferably, in above-mentioned sample preparation device, reversal valve is respectively arranged with the parallel cartridges.
Preferably, in above-mentioned sample preparation device, solenoid directional control valve is provided with the pipeline of hydraulic pump connection motor, in hydraulic pressure
Pump and be provided with ultra-high pressure solenoid valve on the pipeline of connection liquid cylinder pressure.Preferably, in above-mentioned sample preparation device, connected in hydraulic pump
Ultrahigh pressure throttling shut-off valve is provided with the pipeline of hydraulic cylinder.
Preferably, in above-mentioned sample preparation device, the sample preparation device further includes electric control unit, the electric control unit
Including programmable logic controller (PLC) and display, the programmable logic controller (PLC) is connected with the motor and hydraulic pump.
Preferably, in above-mentioned sample preparation device, the sheet metal component posts sound-proof material.
Preferably, in above-mentioned sample preparation device, the mould further includes the tungsten carbide gasket being arranged on mandril.
The beneficial effects of the utility model are：(1) as the powder pressing method sample preparation device for XRF analysis, it is maximum
Advantage is that complexes realize that maximum pressure reaches the powder pressure-like sample preparation of 3200KN, fills up the special superelevation compacting of no XRF analysis
The blank of sample equipment.(2) the special high-pressure sample preparation device of utility model：Using high-pressure sample manufacturing room and console, separation design,
It can realize remote control operation, operation control process PLC is automatically controlled, and personnel, which operate, intervenes few, sample preparation altitude measurement
Sequencing, repeatability are high.(3) high-pressure sample manufacturing room devises multiple safety protection, the loosening element such as mould when avoiding high-pressure sample manufacturing
Fly off.(4) meet the requirement of XRF analysis device made from special-purpose assorted mould in sample size, using manually it is die-filling and
Self-pressurizing agri pressure-like is integrally formed, and the working method of automatic demoulding, while can withstand up to the pressure repeated action of 3200KN,
Do not burst apart deformation.
Brief description of the drawings
Fig. 1 is the principle framework figure of sample preparation device described in embodiment.
Fig. 2 is the structure chart of upper stage in sample preparation device described in embodiment one.
Fig. 3-1 is the structure chart of lower stage in sample preparation device described in embodiment one.
Fig. 3-2 is the structure chart of mould in sample preparation device described in embodiment one.
Fig. 4 is the structure chart of sheet metal component in sample preparation device described in embodiment one.
Fig. 5 is the structure chart of hydraulic power unit in sample preparation device described in embodiment one.
Fig. 6, Fig. 7 and Fig. 8 are respectively sample preparation device described in embodiment one in checking test 1, checking test 2 and checking test
The shaping figure of gained sample in 3.
Wherein, 1 is hydraulic motor, and 2 be gear, and 3 be screw, and 4 be dust cover, and 5 be tungsten carbide gasket, and 6 be upper stage, 7
It is nut for rack, 8,9 be die coat, and 10 be protective jacket, and 11 be cutting ferrule, and 12 be lower stage, and 13 be mandril, and 14 be oil cylinder,
15 be lower sheet metal component, and 16 be outside sheet metal component, and 17 be limiting plate；5-1 is fuel tank, and 5-2 is motor, and 5-3 is hydraulic cylinder, and 5-4 is
Motor, 5-5 are liquid level gauge, and 5-6 is air filter, and 5-7 pumps for motor piston, and 5-8 pumps for low-pressure plunger, and 5-9 is high-pressure column
Plug pump, 5-10 is the first overflow valve, and 5-11 is ultra-high pressure solenoid valve, and 5-12 is super-pressure hydraulic control check valve, and 5-13 is super
High-voltage electromagnetic ball valve, 5-14 are ultrahigh pressure throttling shut-off valve, and 5-15 is the second overflow valve, and 5-16 is the 3rd overflow valve, and 5-17 is
Solenoid directional control valve, 5-18 are hydraulic control one-way valve, and 5-19 is bidirectional throttling valve.
Embodiment
The utility model provides a kind of x ray fluorescence spectrometry (XRF) with super-pressure pelletized powder samples device and supporting special
Mould.To design the special super-pressure automatic sample realization devices of a set of XRF and program automatic control system, and can be in high pressure
The long-term durable matching die used under (maximum working pressure 3200KN), compared to original XRF conventional manuals or electronic sample preparation
Forcing press (the sample preparation pressure limit of offer is between 200-600KN), on the one hand improves the sensitivity to analytical element, on the other hand
To under the normal pressures such as such as ore, quartzite, biological sample cannot or difficult direct pressing molded samples realize and be directly compressed into
Type sample preparation, using procedure auto-control pressure-like process, special-purpose assorted high pressure resistant mould, print surface is smooth made from guarantee
Specification and repeatability.
In a kind of preferred embodiment, sample preparation device described in the utility model is mainly by lower metal plate, outside metal plate, tabletting
Shaping mechanism, hydraulic power unit and electrical control mechanism composition.Lower metal plate, outside metal plate and the tabletting forming machine-structure passes through
Certain order links together.
Above-mentioned compression molding mechanism includes upper lower stage, oil cylinder, leading screw, die coat, mandril, pressure head and hydraulic motor group
Into.Upper lower stage is linked together by column, and die coat is fixed in lower stage, and there are protective jacket and cutting ferrule in outside, can be had
Effect prevents mould bursts apart from producing splashing.Oil cylinder is connected with lower stage, and mandril is fixed on oil cylinder core by limiting plate, is ensured
The concentricity of mandril and die coat centre bore, leading screw are connected with upper stage, pass through the hydraulic motor control being fixed in upper stage
The rotation of gear processed is to realize the raising and lowering of leading screw, and leading screw surrounding has dirt-proof boot, dust can be prevented to be attached to leading screw
On, cause leading screw to run well.Upper lower stage surrounding has protective plate and protective door, equipped with corresponding inductive switch,
As do not fixed or shutting, equipment is all without operating.
Above-mentioned compression molding mechanism is integrally placed on lower metal plate, and outside metal plate is Split type structure, and every piece of metal plate all posts
Sound-proof material, is bolted on lower metal plate, can be effectively reduced operating noise.Hydraulic power unit is because of the larger need of operating noise
It is placed in single room.
The principle framework figure of above-mentioned sample preparation device is as shown in Figure 1：After opening motor, motor pump start：Solenoid directional control valve
Start to work, control the rise and fall of leading screw, under motor effect, oil cylinder pump start：Ultra-high pressure solenoid valve is opened,
Control the rise and fall of mandril.Motor, oil pump and each valve are connected with programmable logic controller (PLC), are controlled by PLC
The state of motor processed, oil pump and valve, PLC is connected with display, to show the working status of sample preparation device at any time.
The workflow of above-mentioned sample preparation device is：(1) equipment power supply is opened, starts motor, carries out Program reset；(2) beat
Protective door is opened, filler funnel is placed, is filled with material；(3) filler funnel is taken out, places tungsten carbide gasket；(4) protective door is closed,
Start button is pressed, motor oil pump is started to work, and is driven leading screw to drop to specified positioning and is postponed, and oil cylinder oil pump is started to work, top
Bar rises, and equipment is automatically performed slow pressure process, completes tabletting sample preparation, and then oil cylinder lowering valve is started to work, and oil cylinder starts to unload
Pressure, leading screw rise, mandril automatic ejection sample；(5) protective door is opened, removes compressing sample and tungsten carbide gasket；(6)
Protective door is closed, carries out Program reset.
In another preferred embodiment, the mould (die coat and mandril) all using special rolling-mill section make and
Into, can under the pressure of 3200KN access times be not less than 10000 times；Leading screw uses cast iron materials, avoids leading screw rotation
During surfacing come off.
Above-mentioned sample preparation device structure design includes following characteristics：(1) this equipment uses lower part oil cylinder, the movement of upper spindle
Structure, effective solves the situation that pressure head retracts in pressurization, ensure that the normal pressure-like in 3200KN；(2) leading screw
Operating employs train of reduction gears structure, adds moment of torsion, has thus reached and has been ensured that using less hydraulic motor
The normal operation of leading screw；(3) there is dirt-proof boot on leading screw periphery, effectively can prevent dust from entering；(4) equipment lower margin is taken turns using good fortune horse,
Meet the movement and transport that can more easily meet equipment while work；(5) equipment is assembled using split sheet metal structural
Form, it is easy for installation, it is easy to repair.
To improve security, above-mentioned sample preparation device further includes following design：(1) die coat is outer added with protective jacket and cutting ferrule,
Can effectively prevent die coat burst apart after splashing；(2) upper and lower plates surrounding has safety guard and protective door, and is connected to biography
Sensor, if side does not fix and shuts, equipment is all not normally functioning；(3) on the basis of protective plate is added, outside
Still there is metal plate, double protection, the personal safety of safeguard work personnel can be played the role of.
Mould described in above-mentioned sample preparation device can meet a variety of materials such as polyethylene powder, boric acid, aluminium cup, polyethylene ring at the same time
The pressure-like shaping of material.
Above-mentioned sample preparation device is also equipped with slow pressurization and slow decompression function：
Slow pressue device is characterized in that the working connection interlude in the oil cylinder hydraulic module working connection of tablet press machine is installed
Fluid-controlled cut-off valve, when the dynamical system of tablet press machine is started to work, ultrahigh pressure throttling shut-off valve is in opening, and hydraulic oil leads to
Cross working connection transmit power to by Force system drive mandril movement, formed operating pressure because oil circuit is unimpeded, hydraulic fluid flow rate compared with
Greatly, it is possible to obtain faster movement velocity, when powder starts stress shaping in mould for tabletting press, system pressure gradually increases
Height, when reaching certain pressure intensity, ultrahigh pressure throttling shut-off valve automatic start is started to work, and passes through the size of control orifice area
Flow is controlled, the hydraulic fluid flow rate of entrance is reduced, and slows down stress system motion.Slow pressurization realizes tablet press machine piston motion speed
Requirement slow during fast, high pressure during low pressure is spent, reduces the operation cycle, makes powder be easy to be molded.
X ray fluorescence spectrometry sample preparation device described in the utility model is further illustrated below by specific embodiment
And method.
Embodiment one
X ray fluorescence spectrometry sample preparation device includes compression molding unit, and the compression molding unit includes using column
The upper stage and lower stage of connection, respectively as shown in Fig. 2 and Fig. 3-1, concrete structure is as follows：
1. upper stage 6：Upper stage 6 is installed in rack 7 by nut 8, and hydraulic motor 1 is fixed with upper stage 6, described
The output terminal of hydraulic motor is connected with gear 2 and screw 3 in turn, by controlling the rotation of gear real under the driving of hydraulic motor
The raising and lowering of existing screw.The screw is vertically mounted in upper stage, and surrounding is provided with dust cover 4, prevents dust from entering.
2. lower stage 12：Mould and oil cylinder 14 are installed in lower stage：
(1) mould：The structure of the mould is as shown in figure 3-2.Mould includes hollow cylindrical die overcoat 9, internal
There is cylindrical die hole, die coat is installed in lower stage 12, and outer casing outer wall is provided with protective jacket 10, and protective jacket is with being installed on down
Cutting ferrule 11 on rack coordinates, and mould is more stablized, in addition, further including tungsten carbide gasket 5, as shown in figure 3-1.
(2) oil cylinder 14 (also referred to as hydraulic cylinder)：Oil cylinder is connected with lower stage, is internally provided with mandril 13, is passed through limiting plate
17 are fixed on mandril 13 on oil cylinder core.Ensure the concentricity of mandril and above-mentioned mold center's die hole.
Upper lower stage surrounding is both provided with protective plate and protective door, equipped with corresponding inductive switch, do not fix such as or
Run well, equipment is all without operating.
In addition, as shown in figure 4, sample preparation device described in the present embodiment further includes lower sheet metal component 15 and outside sheet metal component 16, institute
It is frame structure to state downside sheet metal component, and above-mentioned compression molding unit is arranged on lower sheet metal component, and outside is provided with outside metal plate
Part, forms siding, and the outside sheet metal component is Split type structure, all posts sound-proof material on every piece of outside sheet metal component, is consolidated by bolt
It is scheduled on the frame of lower sheet metal component.
Sample preparation device described in the present embodiment further includes hydraulic power unit, and hydraulic pump station structure is as shown in Figure 5：Hydraulic station is by liquid
The hydraulic pressure source device of the compositions such as press pump, drive motor, fuel tank, direction valve, throttle valve, overflow valve.By driving device requirement
Flow direction, pressure and flow fuel feeding, hydraulic station is connected with compression molding unit with oil pipe, hydraulic system i.e. can be achieved various rule
Fixed action.Concrete structure is as follows：
Hydraulic power unit is provided with fuel tank 5-1, the outer surface of fuel tank is provided with liquid level gauge 5-5, for measuring hydraulic oil liquid
Face position；Fuel tank internal is provided with motor 5-2, motor and motor piston pump 5-7, low-pressure plunger pump 5-8 and high-pressure plunger pump 5-9
Connection, one end of three pumps are connected by pipeline with fuel tank, and air filter 5-6 is provided with pipeline.
The other end of the motor piston pump and one end of check valve connect, and the other end of check valve passes through pipeline and electromagnetism
Reversal valve 5-17 connections, are provided with the 3rd overflow valve 5-16 and pressure gauge, the other end of solenoid directional control valve 5-17 on the pipeline
It is connected with hydraulic control one-way valve 5-18 and bidirectional throttling valve 5-19 in turn, the other end of bidirectional throttling valve 5-19 is connected with 5-4 motors.
The other end of the low-pressure plunger pump 5-8 and high-pressure plunger pump 5-9 is connected to check valve, and in pump and unidirectionally
The second overflow valve 5-15 and the first overflow valve 5-10 are respectively arranged with the connecting line of valve, two check valve other end pipelines are handed over
It is connected after remittance with ultra-high pressure solenoid valve 5-11, and pressure gauge is provided with connecting line；Ultra-high pressure solenoid valve 5-
11 other ends are connected with the rod chamber and rodless cavity of hydraulic cylinder 5-3 respectively by two parallel cartridges, described two parallel cartridges
On be both provided with super-pressure hydraulic control check valve 5-12.Super-pressure Solenoid ball valve 5-13 is provided with the pipeline connected with rodless cavity
With ultrahigh pressure throttling shut-off valve 5-14.The super-pressure refers to 150 tons -320 tons of pressure.
Wherein, the overflow valve and pressure gauge each serve as adjusting and monitor the effect of hydraulic fluid pressure, super-pressure electromagnetism
The effect of ball valve and super-pressure hydraulic control check valve is：When the dynamical system of tablet press machine is started to work, fluid-controlled cut-off valve is in and opens
State is opened, hydraulic oil is transmitted power to by working connection is driven mandril to move by Force system, operating pressure is formed, because oil circuit is smooth
Logical, hydraulic fluid flow rate is larger, it is possible to faster movement velocity is obtained, when powder starts stress shaping in mould for tabletting press
When, system pressure gradually increases, and when reaching certain pressure intensity, fluid-controlled cut-off valve automatic start is started to work, the hydraulic oil of entrance
Flow is reduced, and slows down stress system motion.Slow pressurization is fast when realizing tablet press machine piston movement speed low pressure, high pressure when it is slow
It is required that reducing the operation cycle, powder is set to be easy to be molded.
Sample preparation device described in the present embodiment further includes electric control unit, including programmable logic controller (PLC) and display,
The display is connected with liquid level gauge and pressure gauge, the programmable logic controller (PLC) and above-mentioned compression molding unit and hydraulic pump
Motor, pump and the control valve stood realize the setting of parameter and the automatic running of compression molding unit by connection.
At work, (1) opens equipment power supply to sample preparation device described in the present embodiment, carries out Program reset；(2) protection is opened
Door, places filler funnel, is filled with material；(3) filler funnel is taken out, places tungsten carbide gasket；(4) protective door is closed, presses and opens
Dynamic button, equipment are automatically performed tableting processes；(5) protective door is opened, removes compressing sample and tungsten carbide gasket；(6)
Protective door is closed, carries out Program reset.
Checking test 1：Material：Lignite pressure：The 160T dwell times：20s
This material on conventional tablet machines can not compression molding, binding agent need to be added, by this equipment 160T pressure
Pressurize 20s can be compressing under the conditions of (equivalent to 1600KN), meets test request, picture after shaping is as shown in fig. 6, surface
It is fine and close, smooth, smooth, compound XRF analysis requirement.
Checking test 2：Material：GBW07103 (granite) pressure：The 200T dwell times：20s
This material on conventional tablet machines can not compression molding, binding agent need to be added, by this equipment 200T pressure
Pressurize 20s can be compressing under the conditions of (equivalent to 2000KN), meets test request, picture after shaping is as shown in fig. 7, surface
It is fine and close, smooth, smooth, compound XRF analysis requirement.
Checking test 3：Material：GBW07106 (quartzy sandstone) pressure：The 320T dwell times：20s
This material on conventional tablet machines can not compression molding, binding agent need to be added, by this equipment 320T pressure
Pressurize 20s can be compressing under the conditions of (equivalent to 3200KN), meets test request, picture after shaping is as shown in figure 8, surface
It is fine and close, smooth, smooth, compound XRF analysis requirement.
Embodiment two
Similar with embodiment one, difference is only：The gear is train of reduction gears structure, adds moment of torsion, can reach and adopt
The normal operation of screw is ensured that with less hydraulic motor.
To sum up shown, sample preparation device described in the utility model can be provided using simplicity, economy, stability height, safety durable,
Device uses PLC Automatic Controls, ensures customizable boosting release program, has broad application prospects.
Claims (10)
- A kind of 1. x ray fluorescence spectrometry sample preparation device, it is characterised in that including compression molding unit, the compression molding Unit includes upper stage and lower stage, and hydraulic motor and the screw by fluid motor-driven are provided with the upper stage, described Mould is installed in lower stage and is provided with the hydraulic cylinder of mandril, the mold center is provided with die hole, the screw, die hole Coaxially corresponded to the position of mandril.
- 2. sample preparation device according to claim 1, wherein, the upper stage is connected with lower stage by column.
- 3. sample preparation device according to claim 2, wherein, the mould includes hollow die coat, the die coat Outer wall is provided with protective jacket, and cutting ferrule is provided with the lower stage, coordinates with the protective jacket.
- 4. sample preparation device according to claim 3, wherein, it is provided with train of reduction gears between the hydraulic motor and screw Part.
- 5. sample preparation device according to claim 1, wherein, the screw surrounding is provided with dust cover.
- 6. sample preparation device according to claim 1, wherein, the sample preparation device further includes the lower sheet metal component and wall of frame structure The outside sheet metal component of harden structure.
- 7. sample preparation device according to claim 2, wherein, the sample preparation device further includes hydraulic power unit.
- 8. sample preparation device according to claim 7, wherein, the hydraulic power unit includes fuel tank, the motor being arranged in fuel tank The hydraulic pump being connected with motor, described hydraulic pump one end are connected with fuel tank, and the other end is connected respectively by two parallel cartridges There are motor and hydraulic cylinder.
- 9. sample preparation device according to claim 8, wherein, super-pressure section is provided with the pipeline of hydraulic pump connection liquid cylinder pressure Flow shutoff valve.
- 10. sample preparation device according to claim 8, wherein, the sample preparation device further includes electric control unit, the electricity Gas control unit includes programmable logic controller (PLC) and display, the programmable logic controller (PLC) and the motor and hydraulic pump Connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720912963.8U CN207232049U (en) | 2017-07-26 | 2017-07-26 | X ray fluorescence spectrometry sample preparation device |
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| CN201720912963.8U CN207232049U (en) | 2017-07-26 | 2017-07-26 | X ray fluorescence spectrometry sample preparation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328802A (en) * | 2017-07-26 | 2017-11-07 | 瑞绅葆分析技术（上海）有限公司 | X ray fluorescence spectrometry sample preparation device |
| CN111855719A (en) * | 2020-07-29 | 2020-10-30 | 河北南玻玻璃有限公司 | Sample preparation method for analyzing chemical components of quartz sandstone by X-ray fluorescence spectrometry |
-
2017
- 2017-07-26 CN CN201720912963.8U patent/CN207232049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328802A (en) * | 2017-07-26 | 2017-11-07 | 瑞绅葆分析技术（上海）有限公司 | X ray fluorescence spectrometry sample preparation device |
| CN107328802B (en) * | 2017-07-26 | 2024-02-09 | 瑞绅葆分析技术（上海）有限公司 | Sample preparation device for X-ray fluorescence spectrometry |
| CN111855719A (en) * | 2020-07-29 | 2020-10-30 | 河北南玻玻璃有限公司 | Sample preparation method for analyzing chemical components of quartz sandstone by X-ray fluorescence spectrometry |
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