CN207515712U - A kind of high-precision linearity testing apparatus and system - Google Patents
A kind of high-precision linearity testing apparatus and system Download PDFInfo
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- CN207515712U CN207515712U CN201820074148.3U CN201820074148U CN207515712U CN 207515712 U CN207515712 U CN 207515712U CN 201820074148 U CN201820074148 U CN 201820074148U CN 207515712 U CN207515712 U CN 207515712U
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Abstract
The utility model is related to technical field of mechanical automation, more particularly to a kind of high-precision linearity testing apparatus and system.The device includes：Sensor, shell and sensing chip, the sensing chip are fixed on the front end of the shell, and the sensor passes through the rear end of the shell and is partially housed in the shell, has gap between the sensor and the sensing chip；When the sensing chip is connected to detected product, the sensor detects the voltage signal of the straightness of the detected product according to the output of the distance between sensor and the sensing chip.The high-precision linearity testing apparatus can detect the straightness of product automatically, facilitate detection, improve detection efficiency, and reduce entreprise cost.
Description
Technical field
The utility model is related to technical field of mechanical automation, more particularly to a kind of high-precision linearity testing apparatus and
System.
Background technology
With the raising of the level of consumption, 3C Product market is hot, and consumer is higher and higher to product requirement, so that raw
Business men not only makes great efforts to enhance product performance, but also product appearance is also kept on improving.Straightness such as fruit product does not reach will
It asks, also means that product is unqualified.Examine product whether qualified frequently with artificial x ray fluoroscopy x method of crossing at present, however, due to production
Product output is big, be easy to cause staff's fatigue and judges by accident, not only reduces the measurement accuracy and production efficiency of product, and
Improve entreprise cost.
Utility model content
One purpose of the utility model embodiment is intended to provide a kind of high-precision linearity testing apparatus and system, solution
The technical issues of certainly prior art measurement accuracy is low and of high cost.
In order to solve the above technical problems, the utility model embodiment provides following technical scheme：
In a first aspect, the utility model embodiment provides a kind of high-precision linearity testing apparatus, including：It is sensor, outer
Shell and sensing chip,
The sensing chip is fixed on the front end of the shell, and the sensor passes through the rear end of the shell and part to receive
It is dissolved in the shell, there is gap between the sensor and the sensing chip；
When the sensing chip is connected to detected product, the sensor is according between sensor and the sensing chip
Distance output detects the voltage signal of the straightness of the detected product.
Optionally, described device further includes：Inner casing and elastomeric element,
The inner casing is contained in the shell, and the elastomeric element is sheathed on the inner casing, the elastomeric element
One end is connect with the inner casing, the other end and the cage connection.
Optionally, the inner casing includes the first cylinder and the second cylinder for extending from first cylinder, and described the
The outer diameter of one cylinder is more than the outer diameter of second cylinder, and the inner wall of the shell extends a holding section,
A receiving is formed when the casing is set on the inner casing, between first cylinder and the holding section
Chamber, the elastomeric element are sheathed on second cylinder and are contained in the host cavity.
Optionally, the elastomeric element is spring.
Optionally, described device further includes sliding sleeve, and the sliding sleeve is sheathed on the sensor and is contained in institute
It states in shell, the sliding sleeve is used to protect the sensor.
Optionally, described device further includes catch, and the catch is contained in the shell and is set to the shell
Rear end, the sensor passes through the catch, and the catch is for preventing the sensor from being skidded off out of described shell.
Optionally, described device further includes bolt, and the bolt is used to the sensor being fixedly connected with jig.
In second aspect, the utility model embodiment provides a kind of high-precision Linearity surveying system, the system comprises
Linearity testing apparatus, processor, display module and jig as described above,
The processor is connect respectively with the sensor and the display module, and the jig connects the straightness inspection
Survey device；
The processor is for analyzing and processing the voltage signal, so as to obtain the testing result of the detected product,
And the testing result is exported by the display module, the jig is used to control the shifting of the linearity testing apparatus
It is dynamic.
Optionally, the system also includes alarm module, the alarm module is connected to the processor, the alarm mould
Block is used for when the testing result does not meet preset value, sends out alarm.
Optionally, the system also includes communication module, the communication module is connected to the processor, the communication mould
Block is used to send the testing result to host computer.
Compared with prior art, the beneficial effects of the utility model are：It is provided by the utility model embodiment high-precision
Degree linearity testing apparatus can detect the straightness of product automatically, facilitate detection, improve detection efficiency, and reduce
Entreprise cost.
Description of the drawings
Fig. 1 is the overall structure diagram for the high-precision linearity testing apparatus that the utility model embodiment one provides；
Fig. 2 is the exploded view of Fig. 1 overall structure diagrams；
Fig. 3 is the sectional view of high-precision linearity testing apparatus shown in FIG. 1；
Fig. 4 is the sectional view of shell 12 in high-precision linearity testing apparatus shown in FIG. 1；
Fig. 5 is the structure diagram for the high-precision Linearity surveying system that the utility model embodiment two provides.
Wherein, each reference numeral in figure：
| Linearity testing apparatus | 10 | Sensor | 11 |
| Shell | 12 | Holding section | 121 |
| Sensing chip | 13 | Inner casing | 14 |
| First cylinder | 141 | Second cylinder | 142 |
| Elastomeric element | 15 | Sliding sleeve | 16 |
| Catch | 17 | Bolt | 18 |
| Linearity surveying system | 100 | Processor | 20 |
| Display module | 30 | Alarm module | 40 |
| Communication module | 50 |
Specific embodiment
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Above or therebetween there may be one or more elements placed in the middle.When an element is expressed " connection " another element, it can
To be directly to another element or there may be one or more elements placed in the middle therebetween.This specification is used
Term " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, the skill of technical and scientific term all used in this specification with belonging to the utility model
The normally understood meaning of technical staff in art field is identical.In the art used in the description of the utility model in this specification
Language is intended merely to the purpose of description specific embodiment, is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes the arbitrary and all combination of one or more relevant Listed Items.
Embodiment one：
It please refers to Fig.1 and Fig. 2, the utility model embodiment provides a kind of high-precision linearity testing apparatus 10, the height
Precision linearity testing apparatus 10 includes sensor 11, shell 12 and sensing chip 13, and the sensing chip 13 is fixed on described outer
The front end of shell 11, the sensor 12 pass through the rear end of the shell 12 and are partially housed in the shell 12, the biography
There is gap between sensor 11 and the sensing chip 13.
Wherein, sensor 11 can be any kind of sensor suitable for high-precision Linearity surveying, such as μ grades of electricity
Appearance formula range sensor etc..Shell 12 can be the shell of cylindrical cavity body case or other structures shape.Before shell 12
End can set end cap (not shown), and sensing chip 13 is fixed on the end cap, and sensing chip 13 can be specifically iron plate, Huo Zheqi
He is made metal material.
Wherein, when sensor 11 is inserted into from the rear end of shell 12 in the shell 12, sensor is inserted into the shell 12
Fore-end and the sensing chip 13 be spaced pre-determined distance.(it that is to say that high-precision is straight when sensor 11 moves in a straight line forward
Dimension detection device 10 moves in a straight line forward) and during with detected product single edge contact, due to inertia, the sensor 11
It is slided to the front end of the shell 12, the distance of the sensor 11 and the sensing chip 13 is caused to shorten, at this point, the sensing
Device 11 export for detect the detected product straightness voltage signal.It can by analyzing and processing the voltage signal
Obtain current testing result.In the present embodiment, can zero setting setting be carried out according to the distance of sensor 11 and sensing chip 13,
For example, when the distance between sensor 11 and sensing chip 13 reach 2 millimeters, the voltage signal that is currently exported according to sensor 11
Detected value is obtained, and the detected value is set as dead-center position.It should be noted that it can allow when carrying out zero setting setting certain
In the range of error, such as lower numerical value of the fluctuation less than or equal to 0.003 millimeter on the basis of detected value is regarded as satisfaction zero
Point position.
Detected product can be carried out by the high-precision linearity testing apparatus 10 after above-mentioned completion zero setting setting
Detection, operation principle are：Sensor 11 moves in a straight line forward, and detected product single edge contact, the sensor 11 with
The distance of the sensing chip 13 changes, at this point, 11 output voltage signal of sensor, the voltage is handled by background analysis
Signal obtains detected value, detected value value corresponding with the dead-center position set is compared, if allowing model in error
In enclosing, then it represents that the straightness of the detected product is qualified, and otherwise, the straightness of the detected product is unqualified.Wherein,
If it is understood that the straightness of the detected product is qualified, in the sensor 11 along the one of detected product
Side moves in a straight line and up and down during with detected product single edge contact, and the distance between sensor 11 and sensing chip 13 are not change
Value that is becoming or changing is in error range.
Further, also referring to Fig. 2 and Fig. 3, described device 10 further includes inner casing 14 and elastomeric element 15.In described
Shell 14 is contained in the shell 12, and the elastomeric element 15 is sheathed on the inner casing 14, one end of the elastomeric element 15
It is connect with the inner casing 14, the other end is connect with the shell 12.Wherein, the elastomeric element 15 is used in the high-precision
When linearity testing apparatus 10 is touched with detected product, the front end of shell 12 is made bullet by the reaction force of detected product
Property component 15 deformation retraction, so as to which the sensor to travel forward 11 be made to be restored to initial position.Herein, the elastomeric element 15
Play the role of rebound, buffering, to ensure that the sensor 11 to travel forward can be restored to initial position.
Specifically, the inner casing 14 includes the first cylinder 141 and second extended from first cylinder 141
Body 142, the outer diameter of first cylinder 141 are more than the outer diameter of second cylinder 142.Referring to Fig. 4, the shell 12 is interior
Wall extends a holding section 121.When the shell 12 is sheathed on the inner casing 14, first cylinder 141 and the card
A host cavity (not shown) is formed between conjunction portion 121, the elastomeric element 15 is sheathed on second cylinder 142 and accommodates
In in the host cavity.Wherein, 15 both ends of elastomeric element abut the first cylinder 141 and holding section 121 respectively, thus by elastic portion
Part 15 blocks.
Wherein, the elastomeric element 15 can be specifically spring or other elastic devices.
Further, also referring to Fig. 2 and Fig. 3, described device 10 further includes sliding sleeve 16, and the sliding sleeve 16 is arranged
In on the sensor 11 and being contained in the shell 12, the sliding sleeve 16 is used to protect the outer wall of the sensor 11
It will not be damaged when sliding.Wherein, sliding sleeve 16 is contained in inner casing 14, and elastomeric element 15 is sheathed on inner casing 14, inner casing
14 are contained in shell 12.
Further, also referring to Fig. 2 and Fig. 3, described device 10 further includes catch 17, and the catch 17 is contained in institute
The rear end of the shell 12 is stated in shell 12 and is set to, the sensor 11 passes through the catch 17.In the present embodiment,
The catch 17 is used to that the sensor 11 to be prevented to skid off out of described shell 12.
Further, also referring to Fig. 2 and Fig. 3, described device 10 further includes bolt 18, and the sensor 11 passes through institute
It states bolt 18 to connect with jig (not shown), so as to the sensor 11 be controlled to move by the jig.Herein, jig is used
It is moved in driving sensor.
The utility model embodiment provides a kind of high-precision linearity testing apparatus, and described device not only increases product
Detection efficiency, reduce entreprise cost, and it is all the same sensing chip of sensing to detect sensor used, is eliminated due to quilt
Detection products molecule structure differ and caused by measurement error, the accuracy of the testing result improved.
Embodiment two：
Referring to Fig. 5, the utility model embodiment provides a kind of high-precision Linearity surveying system 100, the system 100
Including：High-precision linearity testing apparatus 10, processor 20, display module 30, alarm module 40 described in above-described embodiment one,
Communication module 50 and jig (not shown).
Wherein, the processor 20 connects respectively with the high-precision linearity testing apparatus 10 and the display module 30
It connects, is specifically to be connect with sensor 11 when being connect with the linearity testing apparatus 10, sensor 11 is specially μ grades of condenser types
Range sensor.The processor 20 obtains the voltage signal of the sensor 11, analyzes and processes the voltage signal, so as to obtain
The testing result of detected product is taken, and the testing result is exported by the display module 30.
Wherein, display module 30 can be specifically LED display etc..
Wherein, the alarm module 40 is connect with the processor 20, and the alarm module 40 is used in the detection knot
When fruit does not meet preset value, alarm is sent out.Alarm module 40 can be specifically voice guard etc..
Wherein, the communication module 50 is connect with the processor 20, and the communication module 50 is used to (scheme not to host computer
Show) send the testing result.The host computer can be the intelligent terminals such as desktop computer, laptop, smart mobile phone
Equipment.Communication module 50 can be specifically WIFI or bluetooth etc..
Wherein, the jig connects the high-precision linearity testing apparatus 10, and the jig is described high-precision for controlling
Spend the movement of linearity testing apparatus 10.Optionally, the system can also include another jig, another described jig is used
In fixed detected product, so as to facilitate the detection of straightness.
In the present embodiment, the operation principle of the Linearity surveying system 100 is：Jig drives sensor 11 along quilt
The upper and lower directions or left and right directions for detecting a certain detection side of product move in a straight line, in high-precision linearity testing apparatus 10
During with detected product single edge contact, sensor 11 and the distance of sensing chip 13 change, at this time 11 output voltage signal of sensor,
Voltage signal is converted into detected value after being handled by processor 20, and detected value detected value corresponding with zero setting position is carried out
Compare, when the detected value exceeds allowable error range, NG is shown, and processor 20 controls the report in display module 30
Alert module 40 is alarmed；When the detected value is in the range of allowable error, display module 30 shows OK, and processor 20 controls
Communication module 50 exports the detected value to external host computer or exports one group of preset electric signal to host computer, so that on
Position machine carries out next step instruction action.
The utility model embodiment provides a kind of high-precision Linearity surveying system, and the system uses μ grades of condenser types
Range sensor using the high stability in sensor centre position, high accuracy, sets shell outside sensor, built-in counter to push away
Buffer spring, sensing chip, signal are handled by processor, testing result are shown on display module, the system integration zero
It sets, possess memory, margin of tolerance setting, comparison output function, OK/NG two-way state instructions, report an error prompt facility, and energy
Enough and host computer communicates.In addition, sensor is to show measurement result after the same sensing chip of sensing every time, so as to eliminate by
In products molecule structure differ and caused by measurement error.
It should be noted that the preferable implementation of the utility model is given in the specification and its attached drawing of the utility model
Mode, still, the utility model can be realized by many different forms, however it is not limited to the described implementation of this specification
Mode, these embodiments are not as the additional limitation to the utility model content, the purpose of providing these embodiments is that making
To the understanding more thorough and comprehensive of the disclosure of the utility model.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed
The various embodiments not being enumerated above are accordingly to be regarded as the range of the utility model specification record；Further, to this field
For those of ordinary skill, it can be improved or converted according to the above description, and all these modifications and variations should all belong to
The protection domain of the appended claims for the utility model.
Claims (10)
1. a kind of high-precision linearity testing apparatus, which is characterized in that including：Sensor, shell and sensing chip,
The sensing chip is fixed on the front end of the shell, and the sensor passes through the rear end of the shell and is partially housed in
In the shell, there is gap between the sensor and the sensing chip；
When the sensing chip is connected to detected product, the sensor is according to the distance between sensor and the sensing chip
Output detects the voltage signal of the straightness of the detected product.
2. the apparatus according to claim 1, which is characterized in that described device further includes：Inner casing and elastomeric element,
The inner casing is contained in the shell, and the elastomeric element is sheathed on the inner casing, one end of the elastomeric element
It is connect with the inner casing, the other end and the cage connection.
3. the apparatus of claim 2, which is characterized in that the inner casing includes the first cylinder and from described first
The second cylinder that cylinder extends, the outer diameter of first cylinder are more than the outer diameter of second cylinder, the inner wall of the shell
Extend a holding section,
When the casing is set on the inner casing, a host cavity, institute are formed between first cylinder and the holding section
Elastomeric element is stated to be sheathed on second cylinder and be contained in the host cavity.
4. device according to claim 3, which is characterized in that the elastomeric element is spring.
5. device according to any one of claims 1 to 4, which is characterized in that described device further includes sliding sleeve, the cunning
Dynamic to be sheathed on the sensor and be contained in the shell, the sliding sleeve is used to protect the sensor.
6. device according to claim 5, which is characterized in that described device further includes catch, and the catch is contained in institute
The rear end of the shell is stated in shell and is set to, the sensor passes through the catch, and the catch is described for preventing
Sensor is skidded off out of described shell.
7. device according to claim 6, which is characterized in that described device further includes bolt, and the bolt is used for institute
Sensor is stated to be fixedly connected with jig.
8. a kind of high-precision Linearity surveying system, which is characterized in that the system comprises：Such as any one of claim 1 to 7 institute
Linearity testing apparatus, processor, display module and the jig stated,
The processor is connect respectively with the sensor and the display module, and the jig connects the Linearity surveying dress
It puts；
The processor is for analyzing and processing the voltage signal, so as to obtain the testing result of the detected product, and
The testing result is exported by the display module, the jig is used to control the movement of the linearity testing apparatus.
9. system according to claim 8, which is characterized in that the system also includes alarm module, the alarm module
It is connected to the processor,
The alarm module is used for when the testing result does not meet preset value, sends out alarm.
10. system according to claim 8, which is characterized in that the system also includes communication module, the communication module
It is connected to the processor,
The communication module is used to send the testing result to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074148.3U CN207515712U (en) | 2018-01-16 | 2018-01-16 | A kind of high-precision linearity testing apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820074148.3U CN207515712U (en) | 2018-01-16 | 2018-01-16 | A kind of high-precision linearity testing apparatus and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207515712U true CN207515712U (en) | 2018-06-19 |
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ID=62544270
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820074148.3U Active CN207515712U (en) | 2018-01-16 | 2018-01-16 | A kind of high-precision linearity testing apparatus and system |
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| Country | Link |
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| CN (1) | CN207515712U (en) |
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2018
- 2018-01-16 CN CN201820074148.3U patent/CN207515712U/en active Active
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