CN208902321U - A kind of electromagnet cracking pressure and lift precision measurement apparatus - Google Patents
A kind of electromagnet cracking pressure and lift precision measurement apparatus Download PDFInfo
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- CN208902321U CN208902321U CN201821795409.7U CN201821795409U CN208902321U CN 208902321 U CN208902321 U CN 208902321U CN 201821795409 U CN201821795409 U CN 201821795409U CN 208902321 U CN208902321 U CN 208902321U
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- electromagnet
- cracking pressure
- workpiece locating
- measurement apparatus
- lift
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Abstract
The utility model provides a kind of device that can be accurately finished electromagnet cracking pressure and lift measurement, comprising: the mounting platform of bottom and is fixed by the bracket in the article carrying platform on the mounting platform；Workpiece locating mechanism is configured on the article carrying platform, for placing electromagnet；Above the workpiece locating mechanism, it is configured with hold-down mechanism moving up and down, the electromagnet at the workpiece locating mechanism is fixed by upper and lower displacement；Below the workpiece locating mechanism, it is configured with measuring mechanism；The measuring mechanism includes at least displacement sensor and pressure sensor.By upper, by the cooperation of displacement sensor and pressure sensor and other action components, the cracking pressure and lift range value for detecting electromagnet simultaneously on a kind of measuring mechanism are realized.
Description
Technical field
The utility model relates to a kind of electromagnet cracking pressure and lift precision measurement apparatus.
Background technique
Electromagnet is an important part in fuel injector, and cracking pressure and lift range value are very important technique ginseng
Number.Electromagnet lift refer to fuel injector during the work time electromagnet open when valve seat movably apart from size, its size
Can be normally-open not directly influencing fuel injector in range or not, and then influence the jetting performance of fuel injector.
Directly simultaneously accurately the cracking pressure of measurement electromagnet and electromagnet lift range value can give processing and the dress of fuel injector
It is most intuitively referred to providing.But it can be realized simultaneously the accurate survey for above-mentioned two parameter there has been no a kind of measuring mechanism at present
Amount.
Utility model content
In view of this, the purpose of the utility model is to provide one kind can be accurately finished electromagnet cracking pressure and
The device of lift measurement.
The measuring device of the utility model, comprising:
It the mounting platform of bottom and is fixed by the bracket in the article carrying platform on the mounting platform；
Workpiece locating mechanism is configured on the article carrying platform, for placing electromagnet；
Above the workpiece locating mechanism, it is configured with hold-down mechanism moving up and down, is compressed by upper and lower displacement solid
Electromagnet at the fixed workpiece locating mechanism；
Below the workpiece locating mechanism, it is configured with measuring mechanism；
The measuring mechanism includes at least displacement sensor and pressure sensor.
By upper, by the cooperation of displacement sensor and pressure sensor and other action components, realize in a kind of measurement
The cracking pressure and lift range value of electromagnet are detected in mechanism simultaneously.
In addition, further including detecting the workpiece sensing sensor for whether being configured with electromagnet on workpiece locating mechanism.
By upper, may be implemented whether correct placement is in the automatic detection on measuring mechanism for electromagnet, thus improve from
Dynamicization degree.
Wherein, the hold-down mechanism includes:
The accurate seaming chuck moved up and down is realized by Driven by Hydraulic Cylinder；
It is configured at below the accurate seaming chuck, press mechanism matched with the precision seaming chuck.
In addition, further including guiding mechanism, the precision seaming chuck moves up and down under guiding mechanism guiding, with
The positioning mechanism is to the heart.
By upper, the compression to electromagnet/relieving movement is realized, makes electromagnet in different stress rings by different movements
Border, to realize the detection for cracking pressure and lift range value.
Wherein, the measuring mechanism further include:
Servo motor；
The accurate pressure head being configured at the top of the servo motor；
The pressure sensor is configured at the top of the accurate pressure head.
By upper, accurate pressure head movement, final command displacement sensor and pressure sensor and electromagnetism are driven by servo motor
Iron contact is to be detected.
Detailed description of the invention
Fig. 1 is the main view of electromagnet cracking pressure and lift precision measurement apparatus；
Fig. 2 is the schematic diagram for carrying out section view to measuring part on the basis of Fig. 1；
Fig. 3 is the partial enlargement diagram of measuring part.
Specific embodiment
Specific embodiment of the present utility model is illustrated with reference to the accompanying drawings.
As shown in Figures 1 to 3, the electromagnet cracking pressure in present embodiment and lift precision measurement apparatus are made for measuring
For the cracking pressure and lift range value of the electromagnet W of workpiece.It has the mounting platform 300 for being placed in bottom, in the mounting platform
Electromagnet W is fixed configured with workpiece locating mechanism on 300.By attached drawing as can be seen that the electromagnet W includes column construction
Ontology (valve seat) and the T-type structure in body bottom portion armature.Hold-down mechanism fixes electromagnet W's from the top electromagnet W
Ontology, then the armature of the body bottom portion is contacted by measuring mechanism and applies upward active force, it is opposite between armature and ontology
Displacement reflects the lift range value of electromagnet W.
<hold-down mechanism>
Hold-down mechanism is set on an article carrying platform 105, and the article carrying platform 105 is supported on the peace by bracket 106
On assembling platform 300.It is configured with a workpiece locating mechanism 201 in the central location of the article carrying platform 105, for holding as work
The electromagnet W of part.
The hold-down mechanism configuration is in the surface of the workpiece locating mechanism 201, including a machine positioning relative to a workpiece
The accurate seaming chuck 101 that structure 201 moves up and down.The precision seaming chuck 101 is oriented to by Driven by Hydraulic Cylinder and in guiding mechanism 102
Under move up and down, thus downwards compress electromagnet W.
The hold-down mechanism further includes press mechanism 104 matched with the precision seaming chuck 101, the press mechanism
104 pass through the top for being manually placed in electromagnet W.Press mechanism 104 also can be omitted.The precision seaming chuck 101, lower press
Structure 104 and 201 three of positioning mechanism are to the heart.To guarantee the precision when electromagnet W is placed at workpiece locating mechanism 201
Seaming chuck 101 is pushed, to act on press mechanism 104, final press mechanism 104 is acted, and compresses electromagnet W downwards.
<measuring mechanism>
The measuring mechanism includes that a servo motor 205 is configured at the mounting platform 300.In the servo motor 205
Top be configured with accurate pressure head 204.Pressure sensor 203 and displacement sensor 202 connect with the accurate pressure head 204 respectively
It connects, is driven by it and up and down direction movement.
Further include a control unit, is electrically connected respectively with the pressure sensor 203 and displacement sensor 202, for receiving
The two data collected.
Preferably, further including a workpiece sensing sensor 103, it is arranged towards the workpiece locating mechanism 201, for detecting
Whether electromagnet W is in place.Infrared detecting device can be used in the workpiece sensing sensor 103 or image detection device is real
It is existing, specifically without limiting.The workpiece sensing sensor 103 is configured in 102 fixed section of guiding mechanism.
<movement>
The movement of the electromagnet cracking pressure and lift precision measurement apparatus of present embodiment is illustrated below.It is controlling
Under the control in portion processed, measured according to four following steps.
A: after electromagnet W is placed on workpiece locating mechanism 201, manually by the configuration of press mechanism 104 on electromagnet W,
Workpiece sensing sensor 103 detects one control signal of output after electromagnet W correct placement.Control unit receives control signal
Afterwards, it controls the Driven by Hydraulic Cylinder precision seaming chuck 101 and executes pressing action；Pressure sensor 203 and displacement sensor at this time
202 record a test initial value N respectively0、S0.In addition, the mode manually started can also be used in above-mentioned control signal.
B: electromagnet W (ontology) is compressed the control unit and is based on control signal control servo electricity by press mechanism 104
Machine 205 works.Servo motor 205 drives the accurate pressure head 204 to act.
The pressure sensor 203 and displacement sensor 202 record first group of measured value N respectively1、S1。
C: press mechanism 104 is made to return to initial position.The control unit controls external energized equipment closure institute (not shown)
State the power circuit of electromagnet W.Servo motor 205 works, coupled pressure head movement.
The pressure sensor 203 and displacement sensor 202 measure, and record second group of measured value N respectively2、S2。
After the record for completing second group of measured value, the pressure sensor 203 and displacement sensor 202 are by being connected thereto
Communication device by test initial value (N collected0、S0), first group of measured value (N1、S1), second group of measured value (N2、S2) point
Terminating machine is not uploaded to it.
On the terminating machine (PC), the analytic operation of cracking pressure and lift range value is carried out based on above-mentioned data.
Terminating machine is not included in the electromagnet cracking pressure and lift precision measurement apparatus of present embodiment, thus is omitted to terminal
The explanation of processing in machine.
D: the servo mechanism 205 drives the accurate pressure head 204 to return to initial position, and accurate seaming chuck 101 returns just
Beginning position terminates this measurement.Return step A waits the measurement of next batch electromagnet W.
Using present embodiment, such as it can get following technical effect.
1. meeting while measuring the cracking pressure and lift range value of electromagnet
It has filled up at present for the blank of electromagnet test device, while its cracking pressure and lift range value has been detected,
Mass defect can be found in time.Improve the jetting performance of fuel injector.
2. test automation
Firstly, workpiece sensing sensor 103 detect electromagnet whether correct placement.Electromagnet is carried out by hold-down mechanism again
It compresses, the operation of release, the measurement of cracking pressure and lift range value is carried out by measuring mechanism, measure full process automatization, be not necessarily to people
Work intervention.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of electromagnet cracking pressure and lift precision measurement apparatus, which is characterized in that
Include:
The mounting platform (300) of bottom and the article carrying platform on the mounting platform (300) is fixed on by bracket (106)
(105)；
Workpiece locating mechanism (201) are configured on the article carrying platform (105), for placing electromagnet (W)；
Above the workpiece locating mechanism (201), it is configured with hold-down mechanism moving up and down, it is solid by being compressed to bottom offset
Electromagnet (W) at the fixed workpiece locating mechanism (201)；
Below the workpiece locating mechanism (201), it is configured with measuring mechanism；
The measuring mechanism includes at least displacement sensor (202) and pressure sensor (203).
2. electromagnet cracking pressure according to claim 1 and lift precision measurement apparatus, which is characterized in that further include inspection
It surveys on workpiece locating mechanism (201) and whether is configured with the workpiece sensing sensor (103) of electromagnet (W).
3. electromagnet cracking pressure according to claim 1 and lift precision measurement apparatus, which is characterized in that the compression
Mechanism includes:
The accurate seaming chuck (101) moved up and down is realized by Driven by Hydraulic Cylinder；
It is removably configured at below the accurate seaming chuck (101), the matched press mechanism with the precision seaming chuck (101)
(104)。
4. electromagnet cracking pressure according to claim 3 and lift precision measurement apparatus, which is characterized in that further include leading
To mechanism (102), the precision seaming chuck (101) moves up and down under the guiding mechanism (102) guiding, and described fixed
Position mechanism (201) is to the heart.
5. electromagnet cracking pressure according to claim 1 and lift precision measurement apparatus, which is characterized in that the measurement
Mechanism further include:
Servo motor (205)；
The accurate pressure head (204) being configured at the top of the servo motor (205)；
The pressure sensor (203) is configured at the top of the accurate pressure head (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795409.7U CN208902321U (en) | 2018-10-31 | 2018-10-31 | A kind of electromagnet cracking pressure and lift precision measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821795409.7U CN208902321U (en) | 2018-10-31 | 2018-10-31 | A kind of electromagnet cracking pressure and lift precision measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902321U true CN208902321U (en) | 2019-05-24 |
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ID=66577462
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821795409.7U Active CN208902321U (en) | 2018-10-31 | 2018-10-31 | A kind of electromagnet cracking pressure and lift precision measurement apparatus |
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| CN (1) | CN208902321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282932A (en) * | 2018-10-31 | 2019-01-29 | 机科发展科技股份有限公司 | A kind of electromagnet cracking pressure and lift precision measurement apparatus |
-
2018
- 2018-10-31 CN CN201821795409.7U patent/CN208902321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282932A (en) * | 2018-10-31 | 2019-01-29 | 机科发展科技股份有限公司 | A kind of electromagnet cracking pressure and lift precision measurement apparatus |
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