CN110196280A - A kind of glued board quality quick online detection machine - Google Patents
A kind of glued board quality quick online detection machine Download PDFInfo
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- CN110196280A CN110196280A CN201910584424.XA CN201910584424A CN110196280A CN 110196280 A CN110196280 A CN 110196280A CN 201910584424 A CN201910584424 A CN 201910584424A CN 110196280 A CN110196280 A CN 110196280A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/09—Analysing solids by measuring mechanical or acoustic impedance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/018—Impedance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0231—Composite or layered materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of glued board quality quick online detection machine, including elevating mechanism, transmission mechanism and testing agency, the elevating mechanism top is equipped with transmission mechanism, and transmission mechanism side is equipped with testing agency；The present invention is changed by laser reflection wave relative position, its relative value changed is the thickness of plate, whether qualified detect plate, the inconsistent of acoustic impedance is caused by the different position of ultrasonic wave penetration density, energy back is received by ultrasound examination receiver again, then data are being converted to, whether there is bulge inside detection plate, utilize transmission characteristic of the ultrasonic wave under different structure substance, quality analysis is carried out in glued situation in plate, plate thickness and specification are detected using the method for laser ranging, with high-efficient, testing result is reliable, the characteristics of quick online production.
Description
Technical field
The invention belongs to glued board detection technique field, in particular to a kind of glued board quality quick online detection machine.
Background technique
In traditional plywood production, for the thickness of board quality, specification, internal flaw detection mainly by survey
Amount tool and artificial experience go to carry out quality testing, have a low efficiency, artificial the problems such as arbitrariness is also big, especially to plate partly at
Be even more in the detection of the inherent quality of product and finished product fully rely on worker's experience strike, two touch using one, three tins go to carry out judgement plate
Material hot pressing mass effect, judges whether plate has the generation of the mass defects such as bubbling, peeling, fixed as quality is carried out to plate
Position is classified, the classification foundation of following process, is largely difficult to ensure accuracy, the reasonability of judgement, influences plate production
Quality stablizing effect；
The irreversibility of sheet fabrication simultaneously leads to not carry out product because post-production is made mistakes caused by error in judgement
Reparation early period is carried out to quality problems before following process and is made up, the quality damage that largely may be repaired redemption originally is caused
It loses, even more causes unnecessary loss and trouble after reprocessing or dispatching from the factory；
As plate automation, large-scale production step up, original artificial detection mode do not catch up with plate increasingly
Material rhythm of production constrains stablizing and stepping up for plate automated production and product quality.
Summary of the invention
It is insufficient in the prior art the purpose of the present invention is overcoming, a kind of glued board quality quick online detection machine is provided, benefit
With transmission characteristic of the ultrasonic wave under different structure substance, quality analysis is carried out in glued situation in plate, utilizes Laser Measuring
Away from method plate thickness and specification are detected, there are the spies such as high-efficient, testing result is reliable, quick online production
Point has high market value and utility value.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of glued board quality quick online detection machine, including elevating mechanism, transmission mechanism and testing agency, the liter
Descending mechanism top is equipped with transmission mechanism, and transmission mechanism side is equipped with testing agency.
The transmission mechanism include bottom roll, roller synchronizing wheel, double cog synchronous belt, into plate pinch roller synchronizing wheel, detection branch
Frame, detection pinch roller, into plate pinch roller, guide bearing chock, pinch roller bracket, into plate power, roller power synchronous wheel I, synchronous belt, roller
Power synchronous wheel II, the bottom roll side be equipped with roller synchronizing wheel, the bottom roll top be equipped with it is several into plate pinch roller, into plate
Pinch roller side is equipped with into plate pinch roller synchronizing wheel, and the other side is equipped with guide bearing chock, and guide bearing chock lower part is equipped with pinch roller bracket, into
Plate pinch roller side is equipped with detection pinch roller, and detection pinch roller side is equipped with detection bracket, and the bottom roll lower part is equipped with into plate power, into
Plate power side is equipped with roller power synchronous wheel I；When into plate dynamic start, series cylinder power synchronous wheel rotation, rolling are driven
Cylinder power synchronous wheel II connects double cog synchronous belt, and roller power synchronous wheel I connects synchronous belt, and double cog synchronous belt driving drum is same
Step wheel, drives bottom roll to rotate counterclockwise, while driving into plate pinch roller synchronizing wheel and rotating, and makes to rotate clockwise into plate pinch roller, root
Diameter according to bottom roll and the diameter into plate pinch roller, roller synchronizing wheel are designed with the gear ratio into plate pinch roller synchronizing wheel, make into
The linear velocity of plate pinch roller rotation is identical as the linear velocity of bottom roll.
The elevating mechanism is set to transmission mechanism lower part, and transmission structure includes that elevator, elevator power, elevator are same
Step wheel I, elevator synchronous belt, elevator synchronizing wheel II, lift bracket, the lift bracket are set to pinch roller bracket lower part, press
Wheel carrier bracker lower part is equipped with several elevators, and elevator side is equipped with elevator synchronizing wheel II, is equipped with up-and-down maneuver among elevator
Power, elevator power side are equipped with elevator synchronizing wheel I, and elevator synchronizing wheel I, elevator synchronizing wheel II are synchronous by elevator
Band is connected；When there is plate to enter, elevator dynamic start drives elevator synchronizing wheel I to rotate, then by elevator synchronous belt
One group of elevator synchronizing wheel II rotation of transmission, and then four identical elevators work at the same time, and increase lift bracket, into one
Stepping plate pinch roller and detection pinch roller rise, make the distance that 1~2mm of plate thickness is generated less than between bottom roll, make bottom roll with
Plate is clamped into plate pinch roller, detection pinch roller, to guarantee the smooth of plate, reduces the measurement error that plate deformation generates.
The transmission mechanism side is equipped with testing agency, and testing agency includes laser displacement sensor, displacement sensor branch
Frame, ultrasound examination transmitter, ultrasound examination receiver, detection support, the detection support are set to detection bracket side,
Detection support top is equipped with ultrasound examination transmitter, and ultrasound examination receiver is set to below ultrasound examination transmitter,
Displacement sensor bracket is set to detection support lower part, and displacement sensor bracket side is equipped with laser displacement sensor；Laser shines
Right above bottom roll roll surface highest point, laser penetrates the top in bottom roll roll surface for exit point position, when plate passes through, laser
Back wave relative position changes, and the relative value by variation is the thickness of plate, and whether detection plate is qualified, works as plate
By when, ultrasound examination generator ultrasonic wave, when the inconsistent of acoustic impedance is caused in the different position of ultrasonic wave penetration density, then
Energy back is received by ultrasound examination receiver, is then being converted to data, whether detect inside plate has bulge.
Preferably, the double cog synchronous belt side is equipped with tensioner tension spring, and tensioner tension spring side is equipped with expansion tightening wheel, when into plate
When pinch roller moves up and down, double cog synchronous belt is elastic to change, and holding expansion tightening wheel by tensioner tension spring at this time keeps double cog same
Step band tensioner.
Preferably, the lift bracket top is equipped with one group of cylinder I, and I top of cylinder is equipped with synchromesh gear, synchromesh gear one
Side is equipped with synchronous rack gear, and the flexible movement that can drive synchromesh gear relative to synchronous rack gear of cylinder I further presses detection
The height of wheel is finely adjusted.
Preferably, the guide bearing chock top is equipped with lifting gear, and lifting gear side is equipped with stationary rack, lifting tooth
Take turns top and be equipped with cylinder II, the flexible of cylinder II can drive lifting gear relative to the movement of stationary rack, further into
The height of plate pinch roller is finely adjusted.
Beneficial effect is shown the present invention compared with prior art:
1) transmission characteristic of the ultrasonic wave under different structure substance, ultrasound examination are issued using ultrasound examination transmitter
Receiver carries out quality analysis in glued situation in plate, carries out the method for ranging to plate thickness using laser displacement sensor
Degree and specification are detected, and have the characteristics that high-efficient, testing result is reliable, quick online production, have high city
Field value and utility value；
2) it using bottom roll, into the cooperation between plate pinch roller and detection pinch roller, is further ensured that the smooth of plate, reduces plate
The measurement error that material deformation generates；
3) by the production line quickly detected automatically, the labor intensity of worker is alleviated, the efficiency of work is substantially increased,
Improve the quality of production of plate.
Detailed description of the invention
Attached drawing 1 is a kind of glued board quality quick online detection machine structural schematic diagram of the present invention；
Attached drawing 2 is a kind of glued board quality quick online detection machine structure other side of the invention schematic diagram；
Attached drawing 3 is transmission mechanism partial schematic diagram in a kind of glued board quality quick online detection machine structure of the present invention；
Attached drawing 4 is transmission mechanism schematic diagram in a kind of glued board quality quick online detection machine structure of the present invention；
Attached drawing 5 is testing agency's schematic diagram in a kind of glued board quality quick online detection machine structure of the present invention；
Attached drawing 6 is testing agency's partial enlargement signal in a kind of glued board quality quick online detection machine structure of the present invention
Figure；
In figure: 10, transmission mechanism；101, bottom roll；102, roller synchronizing wheel；103, double cog synchronous belt；104, into plate
Pinch roller synchronizing wheel；105, bracket is detected；106, pinch roller is detected；107, into plate pinch roller；108, guide bearing chock；109, pinch roller support
Frame；110, synchromesh gear；111, synchronous rack gear；112, into plate power；113, tensioner tension spring；114, expansion tightening wheel；115, roller is dynamic
Power synchronizing wheel I；116, synchronous belt；117, roller power synchronous wheel II；20, elevating mechanism；201, elevator；202, elevator
Power；203, elevator synchronizing wheel I；204, elevator synchronous belt；205, elevator synchronizing wheel II；206, lift bracket；207,
Cylinder I；208, cylinder II；209, lifting gear；210, stationary rack；30, testing agency；301, laser displacement sensor；
302, displacement sensor bracket；303, ultrasound examination transmitter；304, ultrasound examination receiver；305, detection support.
Specific embodiment
For convenience of the understanding of those skilled in the art, 1-6, further has technical solution of the present invention with reference to the accompanying drawing
Body explanation.
A kind of glued board quality quick online detection machine, including elevating mechanism 20, transmission mechanism 10 and testing agency 30,
20 top of elevating mechanism is equipped with transmission mechanism 10, and 10 side of transmission mechanism is equipped with testing agency 30.
The transmission mechanism 10 includes bottom roll 101, roller synchronizing wheel 102, double cog synchronous belt 103, same into plate pinch roller
Step wheel 104, detection bracket 105, detection pinch roller 106, into plate pinch roller 107, guide bearing chock 108, pinch roller bracket 109, dynamic into plate
Power 112, roller power synchronous wheel I 115, synchronous belt 116, roller power synchronous wheel II 117,101 side of bottom roll are equipped with
Roller synchronizing wheel 102,101 top of bottom roll, into plate pinch roller 107, are equipped with into 107 side of plate pinch roller into plate pressure equipped with several
Synchronizing wheel 104 is taken turns, the other side is equipped with guide bearing chock 108, and 108 lower part of guide bearing chock is equipped with pinch roller bracket 109, into plate pressure
It takes turns 107 sides and is equipped with detection pinch roller 106, detection 106 side of pinch roller is equipped with detection bracket 105, and 101 lower part of bottom roll is equipped with
Into plate power 112, roller power synchronous wheel I 115 is equipped with into 112 side of plate power；When starting into plate power 112, one is driven
The rotation of series cylinder power synchronous wheel, roller power synchronous wheel II 117 connect double cog synchronous belt 103, roller power synchronous wheel I
115 connect synchronous belt 116, and 103 driving drum synchronizing wheel 102 of double cog synchronous belt drives bottom roll 101 to rotate counterclockwise, simultaneously
Drive into plate pinch roller synchronizing wheel 104 and rotate, make to rotate clockwise into plate pinch roller 107, according to the diameter of bottom roll 101 with into plate pressure
The diameter of wheel 107, roller synchronizing wheel 102 are designed with the gear ratio into plate pinch roller synchronizing wheel 104, make to rotate into plate pinch roller 107
Linear velocity it is identical as the linear velocity of bottom roll 101.
The elevating mechanism 20 is set to 10 lower part of transmission mechanism, and transmission structure includes elevator 201, elevator power
202, elevator synchronizing wheel I 203, elevator synchronous belt 204, elevator synchronizing wheel II 205, lift bracket 206, the lifting support
Frame 206 is set to 109 lower part of pinch roller bracket, and 109 frame lower part of pinch roller bracket is equipped with several elevators 201, and 201 side of elevator is set
There is elevator synchronizing wheel II 205, elevator power 202 is equipped among elevator 201,202 side of elevator power is equipped with lifting
Machine synchronizing wheel I 203, elevator synchronizing wheel I 203, elevator synchronizing wheel II 205 are connected by elevator synchronous belt 204；
When there is plate to enter, elevator power 202 starts, and drives elevator synchronizing wheel I 203 to rotate, then by elevator
One group of elevator synchronizing wheel II 205 rotation that synchronous belt 204 is driven, and then four identical elevators 201 work at the same time, and make to rise
It drops bracket 206 to rise, further rises into plate pinch roller 107 and detection pinch roller 106, make to generate less than plate between bottom roll 101
The distance of 1~2mm of thickness makes bottom roll 101 clamp plate with into plate pinch roller 107, detection pinch roller 106, to guarantee plate
It is smooth, reduce the measurement error that plate deformation generates.
10 side of transmission mechanism is equipped with testing agency 30, and testing agency 30 includes laser displacement sensor 301, displacement
Sensor stand 302, ultrasound examination transmitter 303, ultrasound examination receiver 304, detection support 305, the detection branch
Frame 305 is set to detection 105 side of bracket, and 305 top of detection support is equipped with ultrasound examination transmitter 303, ultrasound examination
Receiver 304 is set to 303 lower section of ultrasound examination transmitter, and displacement sensor bracket 302 is set under detection support 305
Portion, 302 side of displacement sensor bracket are equipped with laser displacement sensor 301；Illuminated laser spot position is in 101 roll surface of bottom roll
Right above highest point, laser penetrates the top in 101 roll surface of bottom roll, when plate passes through, laser reflection wave relative position hair
Changing, the relative value by variation are the thickness of plate, and whether detection plate is qualified, when plate passes through, ultrasonic wave inspection
Generator ultrasonic wave is surveyed, when the inconsistent of acoustic impedance is caused in the different position of ultrasonic wave penetration density, then is connect by ultrasound examination
It receives device and receives energy back, be then converted to data, whether detect inside plate has bulge.
103 side of double cog synchronous belt is equipped with tensioner tension spring 113, and 113 side of tensioner tension spring is equipped with expansion tightening wheel 114,
When moving up and down into plate pinch roller 107, double cog synchronous belt 103 is elastic to change, and risen at this time by the pulling of tensioner tension spring 113
Bearing up pulley 114 makes 103 tensioner of double cog synchronous belt；
206 top of lift bracket is equipped with one group of cylinder I 207, and I 207 top of cylinder is equipped with synchromesh gear 110, synchronous
Gear side is equipped with synchronous rack gear 111, and the flexible of cylinder I 207 can drive synchromesh gear 110 relative to synchronous rack gear 111
Movement is further finely adjusted the height of detection pinch roller 106；
108 top of guide bearing chock is equipped with lifting gear 209, and 209 side of lifting gear is equipped with stationary rack 210,
209 top of lifting gear is equipped with cylinder II 208, and the flexible of cylinder II 208 can drive lifting gear 209 relative to stationary rack
210 movement is further finely adjusted the height into plate pinch roller 107.
A kind of glued board quality quick online detection machine, the course of work are as follows:
When there is plate to enter, elevator dynamic start drives elevator synchronizing wheel I to rotate, then by elevator synchronous belt
One group of elevator synchronizing wheel II rotation of transmission, and then four identical elevators work at the same time, lift bracket rises, and makes into plate pressure
Wheel and detection pinch roller rise, further make the distance that 1~2mm of plate thickness is generated less than between bottom roll, make bottom roll with into
Plate pinch roller, detection pinch roller clamp plate, and bottom roll rolling is fed forward plate, to guarantee the smooth of plate, reduce plate shape
Raw measurement error is sold of one's property, while plate can be clamped；
Into plate dynamic start, series cylinder power synchronous wheel rotation is driven, one of roller power synchronous wheel connection is double
Face toothed timing, another roller power synchronous wheel connect synchronous belt, double cog synchronous belt driving drum synchronizing wheel, under drive
Roller rotates counterclockwise, while driving into plate pinch roller synchronizing wheel and rotating, and makes to rotate clockwise into plate pinch roller, according to the straight of bottom roll
Diameter and the diameter into plate pinch roller, roller synchronizing wheel and the number of teeth gear ratio of the synchronizing wheel into plate pinch roller design, and make into plate pinch roller
The linear velocity of rotation and the linear velocity of bottom roll are identical, and when moving up and down into plate pinch roller, double cog synchronous belt is elastic to be occurred
Variation holds expansion tightening wheel tensioner double cog synchronous belt by tensioner tension spring；
Laser reflection wave relative position changes, and the relative value by variation is the thickness of plate, and detection plate is
No qualification, when plate passes through, ultrasound examination generator ultrasonic wave, when acoustic resistance is caused in the different position of ultrasonic wave penetration density
Anti- is inconsistent, then receives energy back by ultrasound examination receiver, is then being converted to data, is detecting inside plate
Whether bulge is had.
Above content is only to structure example of the invention and explanation, circuit components of the present invention swash
Optical displacement sensor (HL-G105-A-C5), ultrasound examination transmitter (DJLK-003A), ultrasound examination receiver
It (DJLK-001B) is component in the prior art, the electric connection between circuit components is conventional in the prior art
Circuit connection, be not protection scope of the present invention.
Above content is only to structure example of the invention and explanation, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (4)
1. a kind of glued board quality quick online detection machine, it is characterised in that including elevating mechanism, transmission mechanism and detection machine
Structure, the elevating mechanism top are equipped with transmission mechanism, and transmission mechanism side is equipped with testing agency；
The transmission mechanism include bottom roll, roller synchronizing wheel, double cog synchronous belt, into plate pinch roller synchronizing wheel, detection bracket, inspection
Survey pinch roller, into plate pinch roller, guide bearing chock, pinch roller bracket, into plate power, roller power synchronous wheel I, synchronous belt, roller power
Synchronizing wheel II, the bottom roll side be equipped with roller synchronizing wheel, the bottom roll top be equipped with it is several into plate pinch roller, into plate pinch roller
Side is equipped with into plate pinch roller synchronizing wheel, and the other side is equipped with guide bearing chock, and guide bearing chock lower part is equipped with pinch roller bracket, into plate pressure
It takes turns side and is equipped with detection pinch roller, detection pinch roller side is equipped with detection bracket, and the bottom roll lower part is equipped with into plate power, dynamic into plate
Power side is equipped with roller power synchronous wheel I；
The elevating mechanism is set to transmission mechanism lower part, and transmission structure includes elevator, elevator power, elevator synchronizing wheel
I, elevator synchronous belt, elevator synchronizing wheel II, lift bracket, the lift bracket are set to pinch roller bracket lower part, pinch roller support
Frame lower part is equipped with several elevators, and elevator side is equipped with elevator synchronizing wheel II, is equipped with elevator power among elevator, rises
It drops mechanomotive force side and is equipped with elevator synchronizing wheel I；
The transmission mechanism side is equipped with testing agency, and testing agency includes laser displacement sensor, displacement sensor bracket, surpasses
Sonic detection transmitter, ultrasound examination receiver, detection support, the detection support are set to detection bracket side, detection
Frame upper is equipped with ultrasound examination transmitter, and ultrasound examination receiver is set to below ultrasound examination transmitter, displacement
Sensor stand is set to detection support lower part, and displacement sensor bracket side is equipped with laser displacement sensor.
2. a kind of glued board quality quick online detection machine according to claim 1, it is characterised in that the double cog is same
Step band side is equipped with tensioner tension spring, and tensioner tension spring side is equipped with expansion tightening wheel.
3. a kind of glued board quality quick online detection machine according to claim 1, it is characterised in that the lift bracket
Top is equipped with one group of cylinder I, and I top of cylinder is equipped with synchromesh gear, and synchromesh gear side is equipped with synchronous rack gear.
4. a kind of glued board quality quick online detection machine according to claim 1, the guide bearing chock top is equipped with
Lifting gear, lifting gear side are equipped with stationary rack, and lifting gear top is equipped with cylinder II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584424.XA CN110196280A (en) | 2019-07-01 | 2019-07-01 | A kind of glued board quality quick online detection machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910584424.XA CN110196280A (en) | 2019-07-01 | 2019-07-01 | A kind of glued board quality quick online detection machine |
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| CN110196280A true CN110196280A (en) | 2019-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982197A (en) * | 2020-08-21 | 2020-11-24 | 危巍 | Furniture material simulation quality inspection device |
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2019
- 2019-07-01 CN CN201910584424.XA patent/CN110196280A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982197A (en) * | 2020-08-21 | 2020-11-24 | 危巍 | Furniture material simulation quality inspection device |
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