CN208528474U - A kind of normally close valve press fitting gap guarantees device - Google Patents
A kind of normally close valve press fitting gap guarantees device Download PDFInfo
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- CN208528474U CN208528474U CN201820950114.6U CN201820950114U CN208528474U CN 208528474 U CN208528474 U CN 208528474U CN 201820950114 U CN201820950114 U CN 201820950114U CN 208528474 U CN208528474 U CN 208528474U
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- probe
- press fitting
- close valve
- normally close
- dynamic iron
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Abstract
The utility model discloses a kind of normally close valve press fitting gaps to guarantee device, including probe locating rod, probe, coil, displacement sensor, the probe locating rod is installed in lower die and is located at below dynamic iron, the probe locating rod is equipped with location hole up and down, the probe activity passes through location hole, the coil adsorbs dynamic iron and its probe uplink for the generation electromagnetic force that is powered, and institute's displacement sensors are used for the displacement of detection probe.The utility model is by adopting the above technical scheme, the displacement of probe is detected by displacement sensor, as dynamic iron movement clearance, in this way, dynamic iron movement clearance can be detected by displacement sensor after first big distance press fitting, stroke and pressure control by second press fitting, can accurate control unit B press fitting distance, and then guarantee that dynamic iron movement clearance meets design requirement.
Description
Technical field
The utility model relates to valve mounting technologies, and in particular to normally close valve technology of pressure mounting.
Background technique
Normally close valve need to guarantee the movement clearance of dynamic iron in assembly, and making it at work can have enough gaps for subtracting
Pressure.The size in gap needs to carry out accurate control, if gap is too big, directly leaks when will lead to normally close valve work, if gap is too
Small, will lead to normally close valve, opening clearance is too small at work, can not within a specified time be decompressed to claimed range.
Utility model content
Technical problem to be solved in the utility model guarantees dynamic iron movement when being just to provide a kind of assembly of realization normally close valve
The normally close valve press fitting gap in gap guarantees device.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of normally close valve press fitting gap guarantees
Device, including probe locating rod, probe, coil, displacement sensor, the probe locating rod are installed in lower die and are located at dynamic iron
Lower section, the probe locating rod are equipped with location hole up and down, and the probe activity passes through location hole, and the coil is for leading to
Electricity generates electromagnetic force and adsorbs dynamic iron and its probe uplink, and institute's displacement sensors are used for the displacement of detection probe.
Preferably, the lower die is equipped with through-hole up and down, and the probe locating rod is installed in through-hole.
Preferably, the upper end of the probe locating rod is equipped with positioning head, the component A inner hole of the positioning head insertion normally close valve
Interior positioning.
Preferably, the lower end linking probe push rod of the probe, the probe push rod are driven by the second cylinder and are gone up and down.
Preferably, the coil is installed on coil mounting plate, and the coil mounting plate is connected with linear guide, the line
Circle fixed plate is slided up and down by third cylinder drives edge linear guide.
The utility model by adopting the above technical scheme, is powered by coil and generates electromagnetic force, adsorbs dynamic iron uplink, probe with
Dynamic iron uplink, displacement sensor move iron movement clearance with probe motion detection, and the maximum distance due to moving iron uplink is dynamic iron
Movement clearance, and probe is servo-actuated iron uplink synchronization, therefore displacement sensor detects the displacement of probe, as dynamic iron fortune
It is pressed in this way, can detect dynamic iron movement clearance by displacement sensor after first big distance press fitting by second in dynamic gap
The stroke and pressure of dress control, can accurate control unit B press fitting distance, and then guarantee that dynamic iron movement clearance meets design and wants
It asks.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and detailed description:
Fig. 1 is the structural schematic diagram of normally close valve；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the partial structural diagram of the utility model；
Fig. 4 is the partial structural diagram of the utility model；
In figure: 1- electric cylinder fixed plate, 2- electric cylinder, 3- pressure sensor, 4- compression bar, 5- spring, 6- upper mold, 7- upper mold
Under fixed plate, 8- magnet, 9- limit claw, the first cylinder of 10-, 11- coil, 12- coil mounting plate, 121- linear guide, 13-
Mould, 14- probe locating rod, 141- positioning head, 15- probe push rod, 16- probe, 17- lower mold fixed plate, 18- displacement sensor,
19- sensor fixation plate, the second cylinder of 20-, 21- pressing plate, 22- bottom plate, 221- detection hole, 71- guiding axis.
Specific embodiment
The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model
Protection scope.
Refering to what is shown in Fig. 1, normally close valve includes component A, part B, component A includes sleeve A 1, plug A2 and dynamic iron A3, often
Plug A2 is mounted on the first end of sleeve A 1 first, dynamic iron A3 is then put into formation group in sleeve A 1 by valve closing in assembly
Part A, part B is finally fitted in the second end of sleeve A 1, wherein when build-up member B, need to guarantee the movement clearance of dynamic iron A3
L。
The purpose of utility model of the utility model is exactly to guarantee dynamic iron movement clearance L, as shown in Figures 2 to 4, one kind
Guarantee the normally close valve press-loading device of dynamic iron movement clearance, including lower die 13, limit manipulator, probe locating rod 14, probe 16, line
Enclose 11, displacement sensor 18, wherein the component A of normally close valve is placed in lower die 13 and is clamped by limit manipulator, the lower die
Top be equipped with positioning port for positioning normally closed valve module A, the probe locating rod 14 is installed in lower die 13 and is located at dynamic
Below iron A3, the lower die 13 is equipped with through-hole up and down, and the probe locating rod 14 is installed in through-hole, and the probe is fixed
Position bar 14 is equipped with location hole up and down, and 16 activity of probe penetrates location hole, and the coil 11 generates electricity for being powered
Magnetic-adsorption moves 16 uplink of iron A3 and its probe.Certainly, probe 16 is made of metal, such as iron is made, in this way, on dynamic iron A3
When row, probe 16 can be adsorbed and acted together, institute's displacement sensors 18 are used for the displacement of detection probe 16, due on dynamic iron A3
Capable maximum distance is dynamic iron movement clearance L, and probe 16 is servo-actuated iron uplink synchronization, therefore displacement sensor 18 is examined
The displacement of probe 16 is measured, as dynamic iron movement clearance L.
The compression bar 4 of press fitting part B is equipped with above lower die 13, part B is adsorbed on the bottom of the compression bar 4, same with compression bar 4
Downlink is walked, linear actuator drives compression bar 4 to go up and down, and after component A is positioned in lower die 13 and clamped by limit manipulator, passes through pressure
4 pressing member B of bar.
Wherein, described to limit the first cylinder that mechanical hand includes limit claw 9 and driving limit 9 clamping component A of claw
10.The lower end linking probe push rod 15 of the probe 16, the probe push rod 15 are driven by the second cylinder 20 and are gone up and down.
In the present embodiment, the linear actuator uses electric cylinder 2, while between the compression bar 4 and linear actuator
Equipped with pressure sensor 3.Electric cylinder is by the modular product of servo motor and lead screw integrated design, by the rotation of servo motor
Transhipment turn changes linear motion into, while servo motor optimum benefits-precise rotation being controlled, accurate revolution control, accurate to turn round
Square control is transformed into-precise speed control, Accurate Position Control, accurate thrust control.It can be to press fitting by pressure sensor 3
Process carries out pressure monitor.Certainly, it will be appreciated by persons skilled in the art that electric cylinder can also use cylinder, hydraulic cylinder
It is replaced.
In addition, the press-loading device is additionally provided with upper mold 6, upper mold 6 is installed on upper mould fixed plate 7, and the upper mold 6 is equipped with guiding
Hole, the compression bar 4 is along pilot hole linear slide, to guide compression bar 4 to positive press fitting normally close valve.
In order to allow part B to be attached together with compression bar 4, it is equipped with cone tank on the head of compression bar, the cone tank
Slot bottom is equipped with mounting hole, is equipped with magnet 8 in the mounting hole.It can make portion by magnet 8 with adsorption element B, cone tank
The tapered portion and cone tank of part B, which is formed, to be cooperated, and further, when being pressed part B, part B part is located at the pilot hole of upper mold 6
It is interior, thus ensure that press fitting during part B to just and not crooked.
To realize that compression bar 4 resets upwards after the completion of press fitting, compression bar 4 can connect spring 5, and the upper end of the compression bar 4 is set
There is flange, 5 housing of spring is on compression bar, and the upper end of the spring is abutted with flange lower end surface, while the lower end of spring and upper mold
Upper surface abuts, and when compression bar 4 pushes, spring 5 compresses, 2 uplink of electric cylinder after the completion of press fitting, and spring 5 pushes compression bar 4 back up
Position.
Just corresponding effect, the coil 11 are installed on coil mounting plate 12 with dynamic iron A3 when in order to make coil 11 be powered
On, the coil mounting plate 12 is connected with linear guide 121, and the coil mounting plate 12 is by third cylinder drives edge linear guide
121 slide up and down, and therefore, when press fitting, coil 11 can be set on the outside of component A with downlink.
Above-mentioned upper mold 6 and lower die 13 is respectively provided on the rack, the rack include pedestal, electric cylinder fixed plate 1 and
Column between pedestal and electric cylinder fixed plate 1, the electric cylinder 2 are fixed in electric cylinder fixed plate 1.The electric cylinder
2 are equipped with telescopic rod, the telescopic rod connects pressing plate 21, and the pressure sensor 3 is installed on pressing plate.The upper mould fixed plate 7
It is fixedly connected with guiding axis 71, the pressing plate is equipped with guide sleeve, and the guiding axis 71 cooperates with guide sleeve.The displacement sensing
Device 18 is set to the underface of probe, and institute's displacement sensors 18 are installed on sensor fixation plate 19.
Refering to what is shown in Fig. 4, the lower die 13 is installed in lower mold fixed plate 17, the lower mold fixed plate 17 is installed on bottom plate
On 22, the bottom plate is equipped with detection hole 221, and detection hole 221, the detection of institute's displacement sensors 18 are protruded into the lower end of the probe
Head protrudes into the lower end of detection hole 221 and face probe.The probe locating rod 14 is equipped with flange part, and the lower mold fixed plate 17 is set
There is mounting hole, the flange part of the probe locating rod is inserted into mounting hole with lower portion, and the bottom of the through-hole is convex equipped with being pressed together on
Positioning step on the upper surface of edge.
It is described as follows using the method that above-mentioned normally close valve press-loading device carries out normally close valve press fitting.
Component A is located in lower die 13, is positioned in 14 hole plug-in package A of probe locating rod, the first cylinder 10 driving limit
Position claw presss from both sides 9 clamping component A, and the second gas 20 driving probe push rod 15, which probes into probe 16 in the hole component A, withstands dynamic iron A3.By portion
Part B is placed in upper mold 13, and compression bar 4 passes through 8 adsorption element B of magnet.11 downlink of coil is inserted in component A, and electric cylinder 2 pushes compression bar 4
5 downlink of compressed spring carries out the big distance press fitting of first segment, and part B is packed into component A.Coil 11, which is powered, simultaneously generates electromagnetism
Power adsorbs dynamic iron A3 uplink, and probe 16 is servo-actuated iron A3 uplink, and displacement sensor 18 is moved with 16 motion detection of probe between iron movement
Gap, according to 18 testing result of displacement sensor, electric cylinder 2 drives the progress of compression bar 4 second segment small distance precision to be pressed between specifying
Gap, coil 11 is once again powered up after the completion of press fitting, adsorbs dynamic iron A3 uplink, and probe 16 is servo-actuated iron A3 uplink, displacement sensor 18 with
The movement of probe 16 detects dynamic iron movement clearance again, guarantees that fit-up gap meets the requirements.Entire press fitting process is by pressure sensor 3
Pressure, 2 uplink of electric cylinder after the completion of press fitting are monitored, spring 5 is sprung back, 4 uplink of compression bar, 11 uplink of coil.
It will be understood by those skilled in the art that in general, can guarantee dynamic iron by the press fitting of second segment small distance precision
Movement clearance, certainly, if displacement sensor 18 is with the movement of probe 16, the dynamic iron movement clearance of detection is still undesirable again,
It is not excluded for carrying out the press fitting of third section small distance precision, finally guarantees that fit-up gap meets the requirements.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, being familiar with the those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment party above
Content described in formula.The modification of any function and structure principle without departing from the utility model is intended to be included in claims
Range in.
Claims (5)
1. a kind of normally close valve press fitting gap guarantees device, it is characterised in that: including probe locating rod, probe, coil, displacement sensing
Device, the probe locating rod are installed in lower die and are located at below dynamic iron, and the probe locating rod is equipped with positioning up and down
Hole, the probe activity pass through location hole, and the coil generates the dynamic iron of electromagnetic force absorption and its probe uplink for being powered, described
Displacement sensor is used for the displacement of detection probe.
2. a kind of normally close valve press fitting gap according to claim 1 guarantees device, it is characterised in that: the lower die is equipped with upper
The through-hole of lower perforation, the probe locating rod are installed in through-hole.
3. a kind of normally close valve press fitting gap according to claim 1 guarantees device, it is characterised in that: the probe locating rod
Upper end be equipped with positioning head, positioning in the component A inner hole of positioning head insertion normally close valve.
4. a kind of normally close valve press fitting gap according to claim 1 guarantees device, it is characterised in that: the lower end of the probe
Linking probe push rod, the probe push rod are driven by the second cylinder and are gone up and down.
5. a kind of normally close valve press fitting gap according to claim 1 guarantees device, it is characterised in that: the coil is installed on
On coil mounting plate, the coil mounting plate is connected with linear guide, and the coil mounting plate is by third cylinder drives edge straight line
Guide rail slides up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820950114.6U CN208528474U (en) | 2018-06-20 | 2018-06-20 | A kind of normally close valve press fitting gap guarantees device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820950114.6U CN208528474U (en) | 2018-06-20 | 2018-06-20 | A kind of normally close valve press fitting gap guarantees device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208528474U true CN208528474U (en) | 2019-02-22 |
Family
ID=65392142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820950114.6U Active CN208528474U (en) | 2018-06-20 | 2018-06-20 | A kind of normally close valve press fitting gap guarantees device |
Country Status (1)
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| CN (1) | CN208528474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055938A (en) * | 2022-06-17 | 2022-09-16 | 机科发展科技股份有限公司 | Press-fit device and valve assembly system |
-
2018
- 2018-06-20 CN CN201820950114.6U patent/CN208528474U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115055938A (en) * | 2022-06-17 | 2022-09-16 | 机科发展科技股份有限公司 | Press-fit device and valve assembly system |
| WO2023241328A1 (en) * | 2022-06-17 | 2023-12-21 | 机科发展科技股份有限公司 | Press fitting device and valve assembly system |
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