CN108873009A - Detection device - Google Patents
Detection device Download PDFInfo
- Publication number
- CN108873009A CN108873009A CN201810608273.2A CN201810608273A CN108873009A CN 108873009 A CN108873009 A CN 108873009A CN 201810608273 A CN201810608273 A CN 201810608273A CN 108873009 A CN108873009 A CN 108873009A
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- China
- Prior art keywords
- sensor
- detection device
- detection
- positioning component
- end plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
Abstract
The present invention relates to a kind of detection devices, for detecting workpiece accuracy, the workpiece includes end plate and round tube connected vertically, the detection device includes reference platform, positioning component and several first detection components, the positioning component and several first detection components are set to the reference platform, the positioning component is for fixing the end plate and the end plate being made to be parallel to the reference platform, first detection components include fixed plate, first sensor and second sensor, the first sensor and the second sensor are set to the fixed plate and are overlapped in the projection of the reference platform, the distance that the first sensor is used to measure the round tube surface to the first sensor, the distance that the second sensor is used to measure the round tube surface to the second sensor.The detection accuracy of the detection device is high, and reliability is stablized, and easily operated, cost is relatively low, is suitable for producing in enormous quantities.
Description
Technical field
The present invention relates to detecting instrument technical fields, more particularly to a kind of detection device.
Background technique
Automobile steering device includes end plate connected vertically and turns to round tube, and the general laser beam using high-energy density is real
Existing end plate and the seamless welding for turning to round tube.Since subsequent technique to the flatness and end plate of diverter end plate and turns to circle
The verticality of pipe has high required precision, after the completion of welding carry out next procedure before, need to above-mentioned two indexs into
Row strict inspection, common visual inspection are unable to satisfy the requirement of required detection accuracy at all.And existing detection mode
It tests usually using three coordinate detectors, this detection mode detection process is longer, and step is also complex, and three coordinates are examined
The cost for surveying instrument is high, should not use as batch production.
Summary of the invention
Based on this, a kind of detection device is provided, it is intended to simplify testing process, improve production efficiency.
A kind of detection device, for detecting workpiece accuracy, the workpiece includes end plate and round tube connected vertically, the inspection
Surveying device includes reference platform, positioning component and several first detection components, and the positioning component and several described first detect
Component is set to the reference platform, and the positioning component is for fixing the end plate and the end plate being made to be parallel to the benchmark
Platform, first detection components include fixed plate, first sensor and second sensor, the first sensor and described
Two sensors are set to the fixed plate and are overlapped in the projection of the reference platform, and the first sensor is described for measuring
Round tube surface is to the distance of the first sensor, and the second sensor is for measuring the round tube surface to second biography
The distance of sensor.
Above-mentioned detection device is needed to be demarcated using standard frock before actual measurement, workpiece is then installed on positioning
Component, end plate and the reference platform of workpiece are placed in parallel, and first sensor and second sensor measure round tube surface different location
Point arrives the distance of reference line, and the distance measured is compared with calibration value, obtains the error of perpendicularity of round tube.Using multiple
One detection components measure the error of perpendicularity along round tube circumferential direction different directions, analyze and determine the processing essence of end plate and round tube accordingly
Degree.The detection accuracy of the detection device is high, and reliability is stablized, and easily operated, cost is relatively low, is suitable for producing in enormous quantities.
The number of first detection components is two in one of the embodiments, two first detection components
Angle with the line at the center of the positioning component is 90 °.
The detection device further includes the second detection components set on the reference platform in one of the embodiments,
Second detection components include at least three 3rd sensors, and the 3rd sensor is for measuring the end sheet surface not
With the distance for arriving the 3rd sensor at position.
The positioning component includes location type block in one of the embodiments, and the location type block and the benchmark are flat
Platform is formed with installation space, and the 3rd sensor is partially accommodated in the installation space, and the location type block offers several
The light beam of notch, the 3rd sensor transmitting passes through end plate described in the notch directive.
Second detection components further include the light-transmitting plate set on the location type block in one of the embodiments,.
The positioning component further includes several positioning columns set on the location type block, institute in one of the embodiments,
It states end plate and offers the location hole to match with the positioning column.
The positioning component further includes at least three supporting blocks in one of the embodiments, and the supporting block screw thread connects
It is connected to the location type block, rotates the supporting block so that the end of each supporting block is located at same level.
The supporting block includes bearing end and clamping end in one of the embodiments, and the bearing end is used to support institute
End plate is stated, the cross section of the clamping end is in polygon to clamp, and the supporting block is also arranged with fastener, for fixing
State the relative position of supporting block and the location type block.
The positioning component further includes magnetic absorption element in one of the embodiments, for adsorbing the workpiece
End plate, the location type block offer through-hole, and the magnetic absorption element is arranged in the through-hole, and the magnetic absorption element
Upper surface and the supporting block be located at same level.
The detection device further includes operation panel, control system and display, the behaviour in one of the embodiments,
Make panel and is used to receive the signal of the first sensor for starting and terminating detection program, the control system and is converted to
Testing result, the display is for showing the testing result.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of detection device in an embodiment；
Fig. 2 is the schematic diagram of detection device measuring principle shown in Fig. 1；
Structural schematic diagram when Fig. 3 is the non-clamping workpiece of detection device shown in Fig. 1；
Fig. 4 is the enlarged drawing in Fig. 3 at A；
Fig. 5 is the installation diagram of supporting block and location type block in Fig. 3；
Fig. 6 is the overlooking structure diagram of detection device shown in Fig. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein "inner", "outside", "left", "right" and
Similar statement for illustrative purposes only, is not meant to be the only embodiment.
Fig. 1 and Fig. 2 are please referred to, a kind of detection device 100, for detecting workpiece accuracy, workpiece includes end connected vertically
Plate a and round tube b, detection device 100 include reference platform 10, positioning component 20 and several first detection components 30, positioning component
20 and several first detection components 30 be set to reference platform 10, positioning component 20 is for fixed part plate a and being parallel to end plate a
Reference platform 10, the first detection components 30 include fixed plate 31 and first sensor 32a and second sensor 32b, the first sensing
Device 32a and second sensor 32b is set to fixed plate 31 and is overlapped in the projection of reference platform 10, and first sensor 32a is used for
The surface round tube b is measured to the distance d1 of first sensor 32a, second sensor 32b is for measuring the surface round tube b to the second sensing
The distance d2 of device 32b.
Above-mentioned detection device 100 is demarcated using standard frock first when in use, measure first sensor 32a and
Distance, that is, calibration value of second sensor 32b to calibration tooling is d01And d02.Workpiece is installed on positioning component 20, workpiece
End plate a is placed in parallel with reference platform 10, and first sensor 32a and second sensor 32b measures the surface round tube b difference position respectively
Distance d1, d2 for a little arriving reference line L (the reference line i.e. line of first sensor 32a and second sensor 32b) is set, calculates and surveys
The d1 and calibration value d obtained01Difference and d2 and calibration value d02Difference, the error of perpendicularity of round tube b is judged with this.Using
Multiple first detection components 30 measure the verticality along round tube b circumferential direction different directions, analyze and determine the processing essence of workpiece accordingly
Degree, to adjust the parameter of laser welding process.The detection accuracy of the detection device 100 is high, and reliability is stablized, easily operated,
Cost is relatively low, is suitable for producing in enormous quantities.
It should be noted that first sensor 32a and second sensor 32b include light-emitting window and light inlet, by going out light
The light beam of mouthful transmitting receives after being reflected by workpiece by light inlet, according to principle of triangulation, calculate sensor to workpiece away from
From the detection accuracy of first sensor 32a and second sensor 32b are within 5 microns.The sensing of first sensor 32a and second
Plane of the line (reference line L) of the light-emitting window of device 32b perpendicular to reference platform 10.
Fig. 3 and Fig. 4 are please referred to, positioning component 20 includes location type block 21, and location type block 21 is formed with reference platform 10
Installation space, 3rd sensor 41 are partially accommodated in installation space, and location type block 21 offers several notches 211, third sensing
The light beam that device 41 emits passes through 211 directive end plate a of notch.
Positioning component 20 further includes at least three supporting blocks 22, and supporting block 22 is threadedly connected to location type block 21, rotation branch
Bracer 22 is so that the end of each supporting block 22 is located at same level.Supporting block 22 is for placing end plate a, in installation process
In, supporting block 22 is adjusted, guarantees that the upper end of multiple supporting blocks 22 is coplanar, to improve the detection accuracy of detection device 100.
Referring to Fig. 5, supporting block 22 includes bearing end 221 and clamping end 222, bearing end 221 is used to support end plate a, presss from both sides
The cross section for holding end 222 is in polygon to clamp, and supporting block 22 is also arranged with fastener 223, is used for 22 He of fixed support block
The relative position of location type block 21.In one embodiment, clamping end 222 may be configured as hexagonal column, pass through die nut tune
The height of whole 22 upper surface relative datum platform 10 of supporting block uses 223 locking support block 22 of fastener, fastener after adjustment
223 can be nut.
Referring to Fig. 4, positioning component 20 further includes magnetic absorption element 23, for adsorbing the end plate a of workpiece, location type block
21 offer through-hole, and magnetic absorption element 23 is arranged in through-hole, and the upper surface of magnetic absorption element 23 is located at supporting block 22
Same level.Workpiece is usually ferromagnetism material, using the position of the fixed workpiece of magnetic absorption element 23, prevents measurement process
In, workpiece shifts and influences measurement result.The magnetic absorption element 23 can be magnet or electromagnet, wherein use electromagnetism
When iron, magnetic attraction is larger, and can control magnetism by current switching, and workpiece is facilitated to pick and place.
Positioning component 20 further includes several positioning columns 24 set on location type block 21, and end plate a is offered and 24 phase of positioning column
Matched location hole.The number of positioning column 24 can be fixed to be two or more, during workpiece is placed in positioning component 20
Position column 24 plays position-limiting action, so that at least three notches 211 opened up on end plate a covering location type block 21, facilitate third to pass
Sensor 41 detects flatness.The setting of positioning column 24 simultaneously, prevents end plate a from relatively rotating with location type block 21.
Referring to Fig. 6, in one embodiment, the number of the first detection components 30 is two, two the first detection components
30 and the angle of the line at the center of positioning component 20 are 90 °.Only round tube b is surveyed in two mutually orthogonal directions
Amount, under the premise of guaranteeing measurement accuracy, has simplified the structure of detection device 100.
Referring to Fig. 3, the first detection components 30 further include alignment block 33, fixed plate 31 includes vertically disposed fixed part
311 and interconnecting piece 312, first sensor 32 is set to interconnecting piece 312, and fixed part 311 offers several symmetrically arranged kidney slots
312a, several connectors wear kidney slot 312a and are connected to reference platform 10, and alignment block 33 is adjacent to fixed part, works as needs
When adjusting first sensor 32 so that first sensor 32 is directed at the center round tube b, the connector for being installed on fixed part side is unclamped,
It drags fixed plate 31 and avoids the offset amplitude of fixed plate 31 excessive at this point, 31 part of fixed plate is held in alignment block 33, adjust
After, it is using connector that fixed plate 31 and reference platform 10 is fixed.
Detection device 100 further includes the second detection components 40 set on reference platform 10, and the second detection components 40 include extremely
Few three 3rd sensors 41,3rd sensor 41 are used to measure at the different location on the surface end plate a to 3rd sensor 41
Distance.Wherein, 3rd sensor 41 is identical as the type of first sensor 32.3rd sensor 41 is being installed to reference platform
When on 10, need to guarantee that the luminous point that goes out of at least three 3rd sensors 41 is located in the same horizontal plane, by measuring end plate a direction
On the surface of reference platform 10 different location point to corresponding 3rd sensor 41 distance, and by the distance value measured with it is corresponding
Calibration value is compared, and judges the flatness of end plate a accordingly.Wherein, calibration value is by the way that standard frock is placed in positioning group
On part 20, multiple 3rd sensors 41 measure the distance of different location point on the end plate of standard frock.
Second detection components 40 further include L-type plate 42, and 3rd sensor 41 is mounted on reference platform 10 by L-type plate 42
On.
Second detection components 40 further include the light-transmitting plate (not shown) set on location type block 21, which can be used glass
Glass, transparent resin etc. are made, and the light-emitting window and light inlet formation to 3rd sensor 41 block, and play dustproof effect.It can manage
Solution, the hole passed through for supporting block 22 and positioning column 24 is offered on light-transmitting plate.
Detection device 100 further includes operation panel, control system and display, and operation panel is for starting and terminating detection
Program, control system are used to receive the signal of first sensor 32 and are converted to testing result, and display is for showing detection knot
Fruit.
The workflow of detection device 100 is as follows：
Location hole on workpiece is directed at positioning column 24, then the end plate of workpiece is placed in supporting block 22；
Start button on pushing operation panel, 23 energizing magnetic of magnetic absorption element suck workpiece, the first sensing
Device 32 and 3rd sensor 41 carry out laser ranging；
Multi-functional amplifier inside the control system is by first sensor 32 and the received pulse signal of 3rd sensor 41
It is converted to digital signal, and is transmitted to display screen, display screen shows testing result；
Stop button on pushing operation panel, magnetic absorption element 23 power off, and take workpiece away.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of detection device, for detecting workpiece accuracy, the workpiece includes end plate and round tube connected vertically, and feature exists
In, the detection device include reference platform, positioning component and several first detection components, the positioning component and several described
First detection components are set to the reference platform, and the positioning component is for fixing the end plate and being parallel to the end plate
The reference platform, first detection components include fixed plate, first sensor and second sensor, the first sensor
The fixed plate is set to the second sensor and is overlapped in the projection of the reference platform, and the first sensor is used for
The round tube surface is measured to the distance of the first sensor, the second sensor is for measuring the round tube surface to institute
State the distance of second sensor.
2. detection device according to claim 1, which is characterized in that the number of first detection components be two, two
The angle of the line at the center of a first detection components and the positioning component is 90 °.
3. detection device according to claim 1, which is characterized in that the detection device further includes being set to the benchmark to put down
Second detection components of platform, second detection components include at least three 3rd sensors, and the 3rd sensor is for surveying
Measure the distance that the 3rd sensor is arrived at the different location of the end sheet surface.
4. detection device according to claim 3, which is characterized in that the positioning component includes location type block, described fixed
Bit-type block and the reference platform are formed with installation space, and the 3rd sensor is partially accommodated in the installation space, described
Location type block offers several notches, and the light beam of the 3rd sensor transmitting passes through end plate described in the notch directive.
5. detection device according to claim 4, which is characterized in that second detection components further include set on described fixed
The light-transmitting plate of bit-type block.
6. workpiece accuracy detection device according to claim 4, which is characterized in that the positioning component further includes being set to institute
Several positioning columns of location type block are stated, the end plate offers the location hole to match with the positioning column.
7. detection device according to claim 4, which is characterized in that the positioning component further includes at least three supports
Block, the supporting block are threadedly connected to the location type block, rotate the supporting block so that each supporting block end
Positioned at same level.
8. detection device according to claim 7, which is characterized in that the supporting block includes bearing end and clamping end, institute
It states bearing end and is used to support the end plate, in polygon to clamp, the supporting block is also arranged for the cross section of the clamping end
There is fastener, for fixing the relative position of the supporting block and the location type block.
9. detection device according to claim 7, which is characterized in that the positioning component further includes magnetic absorption element,
For adsorbing the end plate of the workpiece, the location type block offers through-hole, and the magnetic absorption element is arranged in the through-hole,
And the upper surface of the magnetic absorption element and the supporting block are located at same level.
10. detection device according to claim 1, which is characterized in that the detection device further includes operation panel, control
System and display, the operation panel is for starting and terminating detection program, and the control system is for receiving described first
The signal of sensor is simultaneously converted to testing result, and the display is for showing the testing result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608273.2A CN108873009A (en) | 2018-06-13 | 2018-06-13 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810608273.2A CN108873009A (en) | 2018-06-13 | 2018-06-13 | Detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108873009A true CN108873009A (en) | 2018-11-23 |
Family
ID=64338335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810608273.2A Pending CN108873009A (en) | 2018-06-13 | 2018-06-13 | Detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108873009A (en) |
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