CN109865638A - A kind of novel spot gluing gap automatic control device and its control method - Google Patents
A kind of novel spot gluing gap automatic control device and its control method Download PDFInfo
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- CN109865638A CN109865638A CN201910175504.XA CN201910175504A CN109865638A CN 109865638 A CN109865638 A CN 109865638A CN 201910175504 A CN201910175504 A CN 201910175504A CN 109865638 A CN109865638 A CN 109865638A
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- gap
- dispensing
- displacement
- control device
- spot gluing
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Abstract
The present invention relates to a kind of novel spot gluing gap automatic control device and its control methods, including dispenser system, and the dispenser system is to be discharged sizing material；Displacement system, institute's displacement system is to drive dispenser system to move；Clearance detecting system, the clearance detecting system are installed on the bottom end side wall of dispenser system, and the clearance system is to carry out ranging to dispensing gap；Control system, the control system and dispenser system, displacement system and clearance detecting system are electrically connected, and the clearance detecting system feeds back distance signal to the control system, and the control system is to guarantee that dispensing gap is standard value；The novel spot gluing gap automatic control device and its control method, by comparing in real-time dispensing gap and standard clearance come the lower shifting parameter of automatic metering needle head, without human intervention, to realize no matter how appointed condition changes the consistency for still ensuring that dispensing gap, guarantees product quality.
Description
Technical field
The present invention relates to a kind of novel spot gluing gap automatic control device and its control methods, belong to spot gluing equipment technology neck
Domain.
Background technique
Dispensing is always the core process of semiconductor and liquid crystal display panel industry；The tin cream of semiconductor chip pin welding sequence
Dispensing, the glue dispensing of chip bonding, liquid crystal display panel sealing dispensing, dispensing quality are difficult to keep always stable, and main cause is just
It is not controlled accurately dispensing gap always.
Industry is after spot gluing equipment replaces vulnerable part or maintenance at present, the distance between the syringe needle of dispenser and dispensing plane
A degree of variation can occur, it is when changes occur, many corresponding if changing shifting parameter under the syringe needle built in industrial personal computer
Data are required to adjust, comparatively laborious and error-prone, and worker often adjusts the height of dispensing plane by rule of thumb entirely, and syringe needle moves down
Parameter constant, to achieve the purpose that adjust dispensing gap, however such mode still not can guarantee the consistency in dispensing gap, deposit
In biggish error.
Summary of the invention
The present invention is in view of the deficienciess of the prior art, provide a kind of novel spot gluing gap automatic control device and its control
Method processed, specific technical solution are as follows:
A kind of novel spot gluing gap automatic control device and its control method, including dispenser system, the dispenser system is to arrange
Sizing material out；Displacement system, institute's displacement system is to drive dispenser system to move；Clearance detecting system, the gap detection system
System is installed on the bottom end side wall of dispenser system, and the clearance system is to carry out ranging to dispensing gap；Control system, institute
It states control system and dispenser system, displacement system and clearance detecting system is electrically connected, control system is to distance measuring signal
It is handled.
As an improvement of the above technical solution, institute's displacement system includes Pneumatic guide rail, air-leg and fixed plate, described
Pneumatic guide rail is slidably connected the air-leg, the air-leg and the Pneumatic guide rail vertical distribution, the bottom end of the air-leg
Equipped with the fixed plate.
As an improvement of the above technical solution, the dispenser system includes connecting plate, the first mounting rack, casing drum, second
Mounting rack, delivery pipe and syringe needle, the connecting plate are fixedly connected with the fixed plate, and the top side wall of the connecting plate is equipped with
First mounting rack, the internal sleeve of first mounting rack are equipped with casing drum, and the sidewall bottom of the connecting plate is equipped with described
Second mounting rack, the internal sleeve of second mounting rack are equipped with delivery pipe, and the bottom end of the delivery pipe is communicated with syringe needle, described to add
The bottom end of barrel is connected at the top inlet of the delivery pipe by hose, and the syringe needle is to be discharged sizing material.
As an improvement of the above technical solution, the clearance detecting system include infrared distance sensor, mounting plate and
Signal wire, the mounting plate are assemblied in the side wall of the delivery pipe, and the mounting plate is fixedly connected with the infrared distance sensor,
The infrared distance sensor is connected to the control system, the infrared distance sensor and the needle by the signal wire
Head is parallel to each other distribution, and the infrared distance sensor is to measure dispensing gap.
As an improvement of the above technical solution, the control system includes displacement control unit and dispensing Gap Analysis list
Member, displacement control unit displacement system to control, dispensing Gap Analysis unit is between the dispensing that automatically records and convert
Gap.
As an improvement of the above technical solution, the displacement control unit includes motion control card and there is adjustable pulse to believe
Number low pressure trigger；The low pressure trigger response time with adjustable pulse signal it is minimum can be to 2ms.
As an improvement of the above technical solution, the dispensing Gap Analysis unit includes industrial personal computer, the industrial personal computer and institute
State serial communication or RS485 serial communication that used communication modes between clearance detecting system are RS232.
A kind of control method of novel spot gluing gap automatic control device, comprising:
Displacement system drives dispenser system to move to right above dispensing position；
Displacement system driving dispenser system moves down, and clearance detecting system measures dispensing gap at the same time；
Gap signal measured by clearance detecting system feeds back to control system；
Control system automatically records and dispensing gap of converting, and is displaced downwardly to specific bit eventually by displacement system driving dispenser system
It sets；
Displacement system drives dispenser system movement, completes dispensing.
Beneficial effects of the present invention: after appointed condition changes, clearance detecting system can real-time measurement go out sensor
With the spacing of dispensing plane, and by measured signal Real-time Feedback to control system, control system is obtained by internal processes operation
Dispensing gap at this time, by comparing in real-time dispensing gap and standard clearance come the lower shifting parameter of automatic metering needle head, nothing
Manual operation is needed, to realize no matter how appointed condition changes the consistency for still ensuring that dispensing gap, guarantees product quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of novel spot gluing gap automatic control device of the present invention；
Fig. 2 is dispenser system structural schematic diagram of the present invention；
Fig. 3 is clearance detecting system structural schematic diagram of the present invention；
Fig. 4 is the control method schematic diagram of novel spot gluing gap automatic control device of the present invention;
Fig. 5 is control system workflow schematic diagram of the present invention.
Appended drawing reference: 1, displacement system, 11, Pneumatic guide rail, 12, air-leg, 13, fixed plate, 2, dispenser system, 21, company
Fishplate bar, the 22, first mounting rack, 23, casing drum, the 24, second mounting rack, 25, conveying pipeline, 26, syringe needle, 3, control system, 4,
Gap detection system, 41, infrared distance sensor, 42, mounting plate, 43, signal wire, 5, support plate, 6, mainboard substrate, 61, contact,
7, chip, 71, pin.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of novel spot gluing gap automatic control device of the present invention；
Displacement system 1 includes Pneumatic guide rail 11, air-leg 12 and fixed plate 13, and Pneumatic guide rail 11 is by two guide rail groups of transverse and longitudinal
It is slidably connected lateral Pneumatic guide rail at, air-leg 12, one end of lateral Pneumatic guide rail is slidably connected longitudinal Pneumatic guide rail, lateral gas
Dynamic guide rail travels longitudinally along longitudinal Pneumatic guide rail, and air-leg 12 makees transverse movement along lateral Pneumatic guide rail；
Fixed plate 13 is connect by screw with dispenser system 2；Dispenser system 2 is driven to make three-dimensional motion by displacement system 1；
Clearance detecting system 4 is mounted on the bottom sidewall of dispenser system 2, and the two is arranged in parallel；
Control system 3 includes displacement control unit and dispensing Gap Analysis unit, and displacement control unit is to control the displacement
System 1, dispensing Gap Analysis unit is to the dispensing gap that automatically records and convert；The displacement control unit includes motion control
Card and the low pressure trigger with adjustable pulse signal；The low pressure trigger response time with adjustable pulse signal it is minimum can be extremely
2ms；The dispensing Gap Analysis unit includes industrial personal computer, used between the industrial personal computer and the clearance detecting system 4
Communication modes are the serial communication or RS485 serial communication of RS232.
As shown in Fig. 2, Fig. 2 is dispenser system structural schematic diagram of the present invention；
Dispenser system 2 includes connecting plate 21, the first mounting rack 22, casing drum 23, the second mounting rack 24, delivery pipe 25 and syringe needle
26, the connecting plate 21 is connected by screw to the fixed plate 13, and the top side wall of the connecting plate 21 is equipped with described first
The internal sleeve of mounting rack 22, first mounting rack 22 is equipped with casing drum 23, and the top of casing drum 23 offers feed opening, feeds
The inside of cylinder 23 is built-in with heating wire, can heat to sizing material, and the bottom of casing drum 23 is funnel-form, the connecting plate 13
Sidewall bottom is equipped with second mounting rack 24, and the internal sleeve of second mounting rack 24 is equipped with delivery pipe 25, the delivery pipe
25 bottom end is communicated with syringe needle 26, and the bottom end of the casing drum 23 is connected to the top inlet of the delivery pipe 25 by hose
Place, the syringe needle 26 is to be discharged sizing material.
As shown in figure 3, Fig. 3 is clearance detecting system structural schematic diagram of the present invention；
Clearance detecting system 3 includes infrared distance sensor 41, mounting plate 42 and signal wire 43, and the mounting plate 42 passes through spiral shell
The lateral wall assigned in the delivery pipe 25 is bound, the mounting plate 42 is fixedly connected with the infrared distance sensor 41, described red
Outer distance measuring sensor 41 is connected to the control system 3 by the signal wire 43, the infrared distance sensor 41 with it is described
Syringe needle 26 is parallel to each other distribution, and the infrared distance sensor 41 is to measure dispensing gap；Pass through superhigh precision
Infrared distance sensor 41 guarantees the consistency in dispensing gap；Illustratively, infrared distance sensor 41 uses
GP2Y0A02YK0F type, it is made of PSD and IRED and signal processing circuit three parts；Due to using triangulation side
Method, material, environment temperature and the time of measuring of testee all will not influence the measurement accuracy of sensor.
What infrared distance sensor 41 utilized be infrared ray propagate when indiffusion principle because infrared ray pass through it is other
Refractive index very little when substance, so the rangefinder of long range can all consider infrared ray, and the propagation of infrared ray needs the time,
Encounter reverberation from rangefinder sending when infrared ray and be reflected back and be accepted to, is accepted to further according to infrared ray from being issued to
Time and the spread speed of infrared ray can calculate distance, the working principle of infrared ray: utilize the infrared ray of high frequency modulated
The phase shift generated back and forth on testing distance extrapolates light beam degree and gets over time △ t, to obtain distance D according to D=C △ t/2.
As shown in Figure 4 and Figure 5, Fig. 4 is that the control method of novel spot gluing gap automatic control device of the present invention is shown
It is intended to；Fig. 5 is control system workflow schematic diagram of the present invention.
Step 1: the air-leg 12 in displacement system 1 drives dispenser system 2 to move to right above dispensing position.
Step 2: displacement system 1 drives dispenser system 2 to move down, clearance detecting system 4 carries out dispensing gap at the same time
Measurement；Infrared distance sensor 41 measures spacing of the sensor bottom end apart from dispensing plane, as D.
Step 3: gap signal measured by clearance detecting system 4 feeds back to control system 3；Infrared distance sensor
After D measured by 41 is by processing such as amplification, filtering, extracts information needed and effective information is delivered to industrial personal computer；Syringe needle 26
Outlet and sensor bottom end between spacing be fixed d；D is stored in industrial personal computer.
Step 4: control system 3 automatically records and dispensing gap of converting, eventually by the air-leg 12 in displacement system 1
Driving dispenser system 2 is displaced downwardly to designated position；Industrial personal computer is built-in with gap operation storage program, and calculation process process is as follows:
It is the spacing of the outlet of syringe needle 26 and dispensing plane at this time by D-d dispensing the clearance delta x, Δ x that you can get it at this time；It will
Δ x is compared with standard clearance x,
If Δ x < x, industrial personal computer, which controls air-leg 12 by displacement control unit, to be continued to move downward；Operating procedure is back to step
Rapid one, and circuit sequentially operation；
If Δ x=x, enter next step.
Step 5: the transverse and longitudinal Pneumatic guide rail in displacement system 1 drives dispenser system 2 to move, dispensing is completed.
Illustratively, required workpiece for dispensing glue is mainboard substrate 6 and chip 7；
Before dispensing operation, the contact 61 of mainboard substrate 6 welds together with the pin 71 of chip 7, in order to avoid de-
The case where weldering, needs dispensing to reinforce the bonding strength of mainboard substrate 6 Yu chip 7；
Pneumatic guide rail 11 drives dispenser system 2 to make transverse and longitudinal movement, until moving to mainboard substrate 6, chip 7 connects edge
Top, then air-leg 12 drives dispenser system 2 to move downward, during moving downward, 41 meeting of infrared distance sensor
Real-time measurement is carried out to D at this time, D is the spacing between 6 surface of 41 bottom end of infrared distance sensor and mainboard substrate, and by D
Make operation comparison in the industrial personal computer fed back in control system 3 by signal wire 43, when syringe needle 26 is displaced downwardly to Δ x=x, pneumatically
12 stop motion of bar；
The blow-off valve of casing drum 23 is then turned on, sizing material is delivered in delivery pipe 25 by hose, then is discharged by syringe needle 26, is fallen
The sizing material fallen, which will scatter, fills the gap of mainboard substrate 6 Yu chip 7, then keeps the place height of syringe needle 26 constant, leads to
Crossing Pneumatic guide rail 11 drives syringe needle 26 along the border movement of mainboard substrate 6 and synchronous discharge, completes entire mainboard substrate 6 and core
The dispensing operation of piece 7.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of novel spot gluing gap automatic control device, it is characterised in that:
Dispenser system, the dispenser system is to be discharged sizing material；
Displacement system, institute's displacement system is to drive dispenser system to move；
Clearance detecting system, the clearance detecting system are installed on the bottom end side wall of dispenser system, and the clearance system is used
To carry out ranging to dispensing gap；
Control system, the control system and dispenser system, displacement system and clearance detecting system are electrically connected, the gap
Detection system feeds back distance signal to the control system, and the control system is to guarantee that dispensing gap is standard value.
2. a kind of novel spot gluing gap automatic control device according to claim 1, it is characterised in that: institute's displacement system
Including Pneumatic guide rail, air-leg and fixed plate, the Pneumatic guide rail is slidably connected the air-leg, the air-leg with it is described
The bottom end of Pneumatic guide rail vertical distribution, the air-leg is equipped with the fixed plate.
3. a kind of novel spot gluing gap automatic control device according to claim 2, it is characterised in that: the dispenser system
Including connecting plate, the first mounting rack, casing drum, the second mounting rack, delivery pipe and syringe needle, the connecting plate and the fixed plate
It is fixedly connected, the top side wall of the connecting plate is equipped with first mounting rack, and the internal sleeve of first mounting rack, which is equipped with, to be added
Barrel, the sidewall bottom of the connecting plate are equipped with second mounting rack, and the internal sleeve of second mounting rack is equipped with delivery pipe,
The bottom end of the delivery pipe is communicated with syringe needle, and the bottom end of the casing drum is connected to the top inlet of the delivery pipe by hose
Place, the syringe needle is to be discharged sizing material.
4. a kind of novel spot gluing gap automatic control device according to claim 3, it is characterised in that: the gap detection
System includes infrared distance sensor, mounting plate and signal wire, delivery pipe described in the mounting plate assembly connection, the installation
Plate is fixedly connected with the infrared distance sensor, and the infrared distance sensor is connected to the control by the signal wire and is
System, the infrared distance sensor and the syringe needle are parallel to each other distribution, and the infrared distance sensor is to dispensing gap
It measures.
5. a kind of novel spot gluing gap automatic control device according to claim 4, it is characterised in that: the mounting plate is logical
Cross the lateral wall that screw is assemblied in the delivery pipe.
6. a kind of novel spot gluing gap automatic control device described in any one in -5, feature exist according to claim 1
In: the control system includes displacement control unit and dispensing Gap Analysis unit, displacement control unit rheme to control
Shifting system, dispensing Gap Analysis unit is to the dispensing gap that automatically records and convert.
7. a kind of novel spot gluing gap automatic control device according to claim 6, it is characterised in that: the Bit andits control
Unit includes motion control card and the low pressure trigger with adjustable pulse signal；Low pressure trigger with adjustable pulse signal
Response time it is minimum can be to 2ms.
8. a kind of novel spot gluing gap automatic control device according to claim 7, it is characterised in that: the dispensing gap
Analytical unit includes industrial personal computer, and used communication modes are RS232's between the industrial personal computer and the clearance detecting system
Serial communication or RS485 serial communication.
9. a kind of control method of novel spot gluing gap automatic control device, it is characterised in that: the control method includes:
Displacement system drives dispenser system to move to right above dispensing position；
Displacement system driving dispenser system moves down, and clearance detecting system measures dispensing gap at the same time；
Gap signal measured by clearance detecting system feeds back to control system；
Control system automatically records and dispensing gap of converting, and is displaced downwardly to specific bit eventually by displacement system driving dispenser system
It sets；
Displacement system drives dispenser system movement, completes dispensing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910175504.XA CN109865638A (en) | 2019-03-08 | 2019-03-08 | A kind of novel spot gluing gap automatic control device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910175504.XA CN109865638A (en) | 2019-03-08 | 2019-03-08 | A kind of novel spot gluing gap automatic control device and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206980A (en) * | 2020-09-28 | 2021-01-12 | 苏州天准科技股份有限公司 | Glue dispensing device and glue dispensing system |
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| US20160368754A1 (en) * | 2015-06-17 | 2016-12-22 | Control Products, Inc. | Object detection for equipment control |
| CN107159533A (en) * | 2017-06-30 | 2017-09-15 | 深圳赛意法微电子有限公司 | The dispensing method and point glue equipment of wafer |
| CN207507733U (en) * | 2017-09-21 | 2018-06-19 | 深圳市华宗科技有限公司 | Dispenser |
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2019
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Patent Citations (7)
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|---|---|---|---|---|
| KR20010106151A (en) * | 2001-02-01 | 2001-11-29 | 최희태 | Underfill apparatus for semiconductor |
| CN102698929A (en) * | 2012-06-20 | 2012-10-03 | 铜陵富仕三佳机器有限公司 | Automatic dispensing detection adjusting device |
| CN204892252U (en) * | 2015-06-05 | 2015-12-23 | 苏州晓创光电科技有限公司 | High accuracy adhesive deposite device |
| US20160368754A1 (en) * | 2015-06-17 | 2016-12-22 | Control Products, Inc. | Object detection for equipment control |
| CN204866382U (en) * | 2015-07-23 | 2015-12-16 | 宿迁学院 | Automatic point gum machine |
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| CN112206980A (en) * | 2020-09-28 | 2021-01-12 | 苏州天准科技股份有限公司 | Glue dispensing device and glue dispensing system |
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Application publication date: 20190611 |