CN207197465U - A kind of screen plate for screen printing detection means - Google Patents
A kind of screen plate for screen printing detection means Download PDFInfo
- Publication number
- CN207197465U CN207197465U CN201721139119.2U CN201721139119U CN207197465U CN 207197465 U CN207197465 U CN 207197465U CN 201721139119 U CN201721139119 U CN 201721139119U CN 207197465 U CN207197465 U CN 207197465U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic sensor
- plc
- photoresists
- thickness
- detection means
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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.)
- Expired - Fee Related
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- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
The utility model provides a kind of screen plate for screen printing detection means, including operating desk, conveyer, ultrasonic sensor and PLC, and conveyer by previous process by half tone moving to painting process；Column is provided with above operating desk, ultrasonic sensor is connected with column, ultrasonic sensor electrically connects with PLC.Half tone is positioned on conveyer, the height of photoresists is detected using ultrasonic ranging principle, the data processing through further calculating with PLC obtains the thickness of photoresists.The utility model carries out on-line checking to the photoresists thickness of half tone, and data are reliable, accurate positioning, detection are quick in time；Measured using supersonic non-contact, repeatedly the thickness of photoresists to be measured is not had an impact after measurement；PLC is easy to perform an analysis to the thickness change of photoresists in half tone coating process and tested with improving to measurement data intelligent processing method.
Description
Technical field
The utility model belongs to screen printing technique field, and in particular to a kind of screen plate for screen printing detection means.
Background technology
The surface that screen printing screens are used to ink or slurry being imprinted on printed thing forms print film, this silk-screen printing
Trickle figure can be formed, is widely used in electronic component field.Common half tone graphic arts process, it is on the half tone to have stretched tight
Certain thickness photosensitive slurry (generally diazonium salt photosensitive slurry) is coated with, is dried after coating, is then bonded and put with it with plate-making egative film
Enter in printer and expose, just turn into screen printing screens after developed, rinsing, drying.Wherein, coating is starched photosensitive equably
Be coated on silk screen, application frequency can depending on actual conditions, needed in blade face and printing surface (one side contacted with PCB) into
Row is repeatedly coated with and drying operation, and due to coating dynamics, the difference of time, and repeatedly coating and photosensitive slurry after baking operation are thick
Spend the accumulation of deviation so that the thickness of photosensitive slurry easily fluctuates, and causes photosensitive inequality, after water rinses during development, rough surface
Ink pours into film layer, film layer is come off, and causes half tone reduced lifetime；If printing surface film is too thin, its durability can reduce.
Usually using the thickness for surveying film instrument measurement photoresists, surveying film instrument needs manual operation, and using on half tone
The mode that photoresists are measured one by one, operating efficiency are low；It is the finished product detection to having completed to survey film instrument, can not be coated
Real-time online measuring, cause the defective products of coating to flow into subsequent processing, cause substantial amounts of man-hour and waste of material.
Therefore, be badly in need of it is a kind of can in time, it is efficient and the screen plate for screen printing of accurate measurement photoresists thickness online
Detection means.
Utility model content
The purpose of this utility model is to provide a kind of screen plate for screen printing detection means, can be timely, efficient and accurate
Measure photoresists thickness.
The utility model provides following technical scheme：
A kind of screen plate for screen printing detection means, including operating desk, conveyer, ultrasonic sensor and PLC controls
Device, conveyer are placed with half tone in the horizontal direction above the operating desk on conveyer, conveyer to by half tone by
Previous process moves to painting process；Column is provided with above operating desk, ultrasonic sensor, supersonic sensing are connected with column
Device electrically connects with PLC.The utility model is calculated using the height of ultrasonic ranging principle detection photoresists through further
Data processing with PLC obtains the thickness of photoresists.
Preferably, ultrasonic sensor includes ultrasonic sensor body and three shaft position meters, ultrasonic sensor body
It is connected to by three shaft position meters on column, ultrasonic sensor body and three shaft position meters electrically connect with PLC respectively.
Three shaft position meters drive ultrasonic sensor body to be moved at setting coordinate, it is quickly tracked examined object.
Preferably, the junction of three shaft position meters and ultrasonic sensor body is provided with yielding rubber；Three shaft position meters with
The junction of column is provided with yielding rubber.Yielding rubber can absorb vibration and the impact energy of ultrasonic sensor, makes ultrasonic wave
Sensor fast and stable gets off, and is easy in real time accurately measurement.
Preferably, comparator and thickness alarm are provided with PLC, comparator is used to compare ultrasonic sensor
Measured value and the difference of photoresists thickness allowed band value, and comparative result is back to PLC, thickness alarm is used for
Alarm during to thickness value over range, the coordinate value of the photoresists of PLC real-time display unqualified thickness lattice.
Preferably, generating laser is provided with ultrasonic sensor body, the emission part of generating laser extends to ultrasound
Below wave sensor body, generating laser electrically connects with PLC.When PLC sends alarm signal automatically, together
Shi Qidong generating lasers, generating laser launch laser signal to the photoresists detected, intuitively prompt operating personnel
Position of the unqualified photoresists on half tone, personnel's fast positioning easy to operation simultaneously make processing in next step.
Preferably, PLC is provided with data output, and the measured value of ultrasonic sensor can be by data output batch
Amount export, is easy to staff to be analyzed using data the flatness of photoresists.
The beneficial effects of the utility model are：
1st, on-line checking is carried out to the photoresists of half tone using ultrasonic sensor, data are reliable, accurate positioning, detection and
When it is quick；Measured using supersonic non-contact, repeatedly the thickness of photoresists to be measured is not had an impact after measurement.
2nd, PLC is easy to the thickness change to photoresists in half tone coating process to measurement data intelligent processing method
Perform an analysis and tested with improving.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 is the partial schematic diagram of ultrasonic sensor；
Fig. 3 is the detects schematic diagram of ultrasonic sensor.
Wherein：1. operating desk；2. conveyer；3. column；4. ultrasonic sensor；41. ultrasonic sensor body；
42. three shaft position meters；43. yielding rubber；44. generating laser；441. emission part；5.PLC controllers；51. thickness alarm；
52. comparator；6. half tone；61. photoresists.
Embodiment
As depicted in figs. 1 and 2, a kind of screen plate for screen printing detection means, including operating desk 1, conveyer 2, ultrasound
Wave sensor 4 and PLC 5, conveyer 2 are placed with net on the top of operating desk 1, conveyer 2 in the horizontal direction
Version 6, conveyer 2 by previous process by half tone 6 moving to painting process；The top of operating desk 1 is provided with column 3, on column 3
Ultrasonic sensor 4 is connected with, ultrasonic sensor 4 electrically connects with PLC 5.Half tone 6 is positioned on conveyer 2,
Ultrasonic sensor 4 sends ultrasonic wave to half tone 6, and after ultrasonic wave reaches the photoresists 61 on half tone 6, then reflexed is back to ultrasonic wave
Sensor 4, so as to which ultrasonic sensor 4 detects its distance with photoresists 61, ultrasonic sensor 4 passes to PLC 5
Pass its distance signal A with photoresists 61, because the distance B of ultrasonic sensor 4 and the plane of half tone 6 keeps constant, thus B with
A difference is the thickness value of photoresists 61, and PLC 5 is collected detection data and obtained after carrying out the calculating conversion of the above
The thickness value of photoresists 61.
Preferably, ultrasonic sensor 4 includes the body of ultrasonic sensor 41 and three shaft position meters 42, ultrasonic sensor
Body 41 is connected on column 3 by three shaft position meters 42, and ultrasonic sensor body and three shaft position meters control with PLC respectively
Device electrically connects.The coordinate value of photoresists 61 to be detected can be set in PLC 5, and PLC 5 is to three shaft position meters 42
Positioning signal is sent, three shaft position meters 42 drive ultrasonic sensor body 41 to be moved at setting coordinate, it is quickly tracked
Examined object, detected suitable for the half tone of large area.
Preferably, the junction of three shaft position meters 42 and ultrasonic sensor body 41 is provided with yielding rubber 43；Three axles are determined
The junction of position instrument 42 and column 3 is provided with yielding rubber 43.In the tracking and positioning of ultrasonic sensor 4, because three axles are determined
The movement of position instrument 42 remained slight vibrational energy, and its vibration effect in the height direction ultrasonic sensor 4 is to sense
The measurement accuracy of the thickness value of optical cement 61.Due to there is provided yielding rubber 43, absorbing the vibration of ultrasonic sensor body 41
And impact energy, the fast and stable of ultrasonic sensor body 41 is got off, be easy to quickly and accurately measure.
Preferably, comparator 52 and thickness alarm 51 are provided with PLC 5, comparator 52 is used to compare ultrasonic wave
The measured value of sensor 4 and the difference of the thickness allowed band value of photoresists 61, and comparative result is back to PLC 5, it is thick
Alarm when spending alarm 51 for thickness value over range.The thickness that photoresists 61 are measured when ultrasonic sensor 4 exceeds
During allowed band, PLC 5 sends alarm signal, and the coordinate of the photoresists 61 of real-time display unqualified thickness lattice automatically
Value.
Preferably, generating laser 44 is provided with ultrasonic sensor body 41, the emission part 441 of generating laser 44 prolongs
The lower section of ultrasonic sensor body 41 is extended, generating laser 44 electrically connects with PLC 5.When PLC 5 is sent out automatically
When going out alarm signal, while start generating laser 44, generating laser 44 launches laser letter to the photoresists 61 detected
Number, position of the unqualified photoresists 61 of operating personnel on half tone 6 is intuitively prompted, personnel's fast positioning easy to operation is simultaneously made
Handle in next step.
Preferably, PLC 5 is provided with data output, and the measured value of ultrasonic sensor 4 can be by data output
Batch exports, and is easy to staff that data are carried out with the flatness of photoresists and analyzes.
Using this half tone detection means, can in quick online detection painting process photoresists 61 thickness or flatness,
Its thickness abnormity is found in time, and accuracy of detection is high, and operating efficiency is high, and detection operation does not contact photoresists 61, will not cause
The thickness of photoresists 61 changes.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (6)
1. a kind of screen plate for screen printing detection means, including operating desk (1) and conveyer (2), conveyer (2) is along level
Direction is above operating desk (1), it is characterised in that also including ultrasonic sensor (4) and PLC (5), operating desk
(1) top is provided with column (3), and ultrasonic sensor (4) is connected with column (3), and ultrasonic sensor (4) controls with PLC
Device (5) electrically connects.
2. screen plate for screen printing detection means according to claim 1, it is characterised in that ultrasonic sensor (4) wraps
Ultrasonic sensor body (41) and three shaft position meters (42) are included, ultrasonic sensor body (41) passes through three shaft position meters (42)
It is connected on column (3), ultrasonic sensor body (41) and three shaft position meters (42) electrically connect with PLC (5) respectively.
3. screen plate for screen printing detection means according to claim 2, it is characterised in that three shaft position meters (42) are with surpassing
The junction of sonic sensor body (41) is provided with yielding rubber (43)；The junction of three shaft position meters (42) and column (3) is set
There is yielding rubber (43).
4. screen plate for screen printing detection means according to claim 2, it is characterised in that be provided with PLC (5)
Comparator (52) and thickness alarm (51).
5. screen plate for screen printing detection means according to claim 2, it is characterised in that ultrasonic sensor body
(41) generating laser (44) is provided with, generating laser (44) lower end is provided with emission part (441), and emission part (441) extends to
Below ultrasonic sensor body (41), generating laser (44) electrically connects with PLC (5).
6. screen plate for screen printing detection means according to claim 1, it is characterised in that PLC (5) is provided with
Data output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721139119.2U CN207197465U (en) | 2017-09-06 | 2017-09-06 | A kind of screen plate for screen printing detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721139119.2U CN207197465U (en) | 2017-09-06 | 2017-09-06 | A kind of screen plate for screen printing detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197465U true CN207197465U (en) | 2018-04-06 |
Family
ID=61791602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721139119.2U Expired - Fee Related CN207197465U (en) | 2017-09-06 | 2017-09-06 | A kind of screen plate for screen printing detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197465U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115129A (en) * | 2018-11-12 | 2019-01-01 | 江西丝安本精密制版有限公司 | A kind of halftone seine angle measurement device and its application method |
| CN109738461A (en) * | 2019-01-04 | 2019-05-10 | 安徽地势坤光电科技有限公司 | A kind of halftone visible detection method applied in screen printing apparatus |
| CN111044003A (en) * | 2019-12-04 | 2020-04-21 | 常州三立精图光电有限公司 | Method for improving flatness of screen printing plate |
-
2017
- 2017-09-06 CN CN201721139119.2U patent/CN207197465U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115129A (en) * | 2018-11-12 | 2019-01-01 | 江西丝安本精密制版有限公司 | A kind of halftone seine angle measurement device and its application method |
| CN109738461A (en) * | 2019-01-04 | 2019-05-10 | 安徽地势坤光电科技有限公司 | A kind of halftone visible detection method applied in screen printing apparatus |
| CN111044003A (en) * | 2019-12-04 | 2020-04-21 | 常州三立精图光电有限公司 | Method for improving flatness of screen printing plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20200906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |