CN207427589U - A kind of crest height automatic control system - Google Patents
A kind of crest height automatic control system Download PDFInfo
- Publication number
- CN207427589U CN207427589U CN201721440966.2U CN201721440966U CN207427589U CN 207427589 U CN207427589 U CN 207427589U CN 201721440966 U CN201721440966 U CN 201721440966U CN 207427589 U CN207427589 U CN 207427589U
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- China
- Prior art keywords
- wave
- crest
- tin
- plc controller
- automatic control
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- Expired - Fee Related
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- Molten Solder (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses a kind of crest height automatic control systems, and including PLC controller, wave crest generating unit, wave-peak detection unit and driver, the wave-peak detection unit is arranged on above the wave crest generating unit；The wave crest generating unit includes tin liquor pump, supporting table, the tin liquor nozzle being arranged in the supporting table and the lifting device being arranged under the supporting table；The wave-peak detection unit includes horizontal-extending track and can be connected along the tin wave sensor of the tracks travel, the tin wave sensor with the input terminal of the PLC controller；The driver is connected with the output terminal of the PLC controller.The crest height automatic control system, it can automatically adjust and control the crest height of tin liquor in wave soldering processes, avoid because caused by wave crest is excessively high tin liquor oxidation, scruff pollution circuit board and wave crest it is too low caused by not prison welding the problem of, the automation for realizing crest height accurately controls, and improves production efficiency and product quality.
Description
Technical field
The utility model is related to Wave soldering fields, and in particular to a kind of crest height automatic control system.
Background technology
Various assemblies on circuit board, such as inductance, capacitance, resistance or transistor electronic building brick, commonly using wave-soldering
Connect technique, by various electronic building bricks it is affixed with circuit board on.In wave soldering processes, the crest height of tin liquor should not mistake
Height, when wave crest is more than a reference value, the tin liquor surface contacted with air increases, and oxidation is serious, and scruff increases, and causes circuit board surface
Pollution, and when liquid solder is fallen from summit be easy for bringing into air and melt inside scolding tin, further speeded up the oxygen of scolding tin
Change；Conversely, if the crest height of tin liquor is too low, and electronic building brick tin sticky inaccuracy, not prison welding on circuit board can be caused solid
The phenomenon that, ultimately causing wherein electronic building brick can not work normally.Therefore how accurately to control the crest height of wave of tin liquor in wave soldering
Degree, is an important topic in wave soldering processes.
In the prior art, in wave soldering processes, the crest height of tin liquor is carried out by operating personnel with experience according to the observation
It adjusts, inefficiency, precision are inadequate, easily cause the quality problem of circuit board product.
Utility model content
The purpose of this utility model is to provide the crest height automatic control system in a kind of wave soldering processes, it is intended to real
The automation of existing tin liquor crest height accurately controls, and improves production efficiency and product quality.
The utility model technical scheme applied to solve the technical problem is：A kind of crest height automatic control system, bag
PLC controller, wave crest generating unit, wave-peak detection unit and driver are included, the wave-peak detection unit is arranged on the ripple
Above peak generating unit；The wave crest generating unit includes tin liquor pump, supporting table, the tin liquor nozzle being arranged in the supporting table
With the lifting device being arranged under the supporting table；The wave-peak detection unit includes horizontal-extending track and can be along the rail
The tin wave sensor that road slides, the tin wave sensor are connected with the input terminal of the PLC controller；The driver with it is described
The output terminal connection of PLC controller.
As the improvement to above-mentioned technical proposal, the displacement sensor being arranged in the supporting table, institute's rheme are further included
Displacement sensor is connected with the input terminal of the PLC controller.
As the improvement to above-mentioned technical proposal, the tin liquor pump is electrodynamic pump or electromagnetic pump.
As the improvement to above-mentioned technical proposal, the lifting device is cylinder or hydraulic cylinder.
As the improvement to above-mentioned technical proposal, the driver includes variable-frequency motor.
As the improvement to above-mentioned technical proposal, the PLC controller includes touch display screen.
Compared with prior art, crest height automatic control system provided by the utility model is independent control system
System, can be matched with existing various crest welders, applied widely；It can automatically adjust and control tin in wave soldering processes
The crest height of liquid avoids caused by wave crest is excessively high tin liquor oxidation and scruff pollution circuit board and wave crest is too low causes
Not prison welding the problem of, the automation for realizing crest height accurately controls, and improves production efficiency and product quality.
Description of the drawings
Fig. 1 is the structure diagram of the utility model one embodiment medium wave peak automatic height control system.
Following specific embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
One embodiment of the utility model provides a kind of crest height automatic control system, realizes to wave soldering
The automation of technique medium wave peak heights accurately controls, and improves production efficiency and circuit board product quality.
Referring to Fig. 1, Fig. 1 is the structural representation of the utility model one embodiment medium wave peak automatic height control system
Figure, the crest height automatic control system include PLC controller 10, wave crest generating unit 20, wave-peak detection unit 30 and
Driver 40, the wave-peak detection unit 30 are arranged on 20 top of wave crest generating unit.The wave crest generating unit 20 by
The driving unit 40 drives, and for generating tin soldering liquid wave crest, the wave crest generating unit 20 can move up and down, with close or remote
From the wave-peak detection unit 30；The wave-peak detection unit 30 connects the input terminal of the PLC controller 10, for sensing
The tin liquor wave crest of the generation of wave crest generating unit 20 is stated, and sends inductive signal to the PLC controller 10；The PLC controller
10 are used for the inductive signal sent according to the wave-peak detection unit 30 received, send corresponding control instruction to institute
Wave crest generating unit 20 or the driver 40 are stated, adjusts the crest height of wave for the tin liquor wave crest that the wave crest generating unit 20 generates
Degree；The driver 40 connects the output terminal of the PLC controller 10, for providing power for the wave crest generating unit 20,
To form and adjust the crest height of the scolding tin wave crest.
Wherein, the wave crest generating unit 20 includes tin liquor pump 21, supporting table 22, the tin being arranged in the supporting table 22
Nozzle for liquid 23 and the lifting device 24 being arranged under the supporting table 22.The tin liquor pump 21 is used to stir tin soldering liquid and passes through institute
It states tin liquor nozzle 23 and forms tin liquor wave crest, the tin liquor pump 21 is driven by the driver 40, in the present embodiment, the tin liquor pump
21 be electrodynamic pump or electromagnetic pump；The lifting device 24 is for driving the supporting table 22 vertically to rise or fall, institute
The output terminal that lifting device 24 is stated with the PLC controller 10 is connected, and in the present embodiment, the lifting device 24 is cylinder or liquid
Cylinder pressure.
The wave-peak detection unit 30 includes horizontal-extending track 31 and can be sensed along the tin ripple that the track 31 slides
Device 32, the tin wave sensor 32 are connected with the input terminal of the PLC controller 10, and the tin wave sensor 32 sets for sensing
The tin liquor wave crest that the tin liquor nozzle 23 thereunder is formed is put, and sends inductive signal to the PLC controller 10；Institute
It is horizontally extending to state track 31, the tin wave sensor 32 can be slided along the track 31 or so, to sense the tin liquor
The tin liquor wave crest formed on 23 different position in the horizontal direction of nozzle.In the present embodiment, the tin wave sensor 32 is by described
Driver 40 starts to be slided along the track 31 or so
During the crest height automatic control system operation that the present embodiment is provided, the supporting table 22 is in initial position
When, the distance of the tin liquor nozzle 23 and the tin wave sensor 32 is certain value L0, tin is set by the PLC controller 10
The predetermined value L of fluid wave peak heights1, the PLC controller 10 controls the lifting device 24 range ability L vertically upward2, wherein,
L2=L0-L1, the supporting table 22 drives the tin liquor nozzle 23 range ability L vertically upward simultaneously2, start the driver
40, make the 21 agitation tin soldering liquid of tin liquor pump and tin liquor wave crest is formed by the tin liquor nozzle 23, gradually increase the tin liquor
The frequency of 21 or described drivers 40 is pumped, the scolding tin wave crest low speed that the tin liquor nozzle 23 is formed is made to increase, until the scolding tin
Wave crest touches the tin wave sensor 32, at this point, the crest height of tin liquor wave crest reaches predetermined value L1, the tin wave sensor
32 send inductive signal to the PLC controller 10, and the PLC controller 10 sends control instruction to tin liquor pump 21 or institute
Driver 40 is stated, stops increasing the frequency of the tin liquor pump 21, the crest height correction of tin liquor wave crest is completed.In the present embodiment,
The driver 40 is variable-frequency motor, can change frequency according to the control instruction of the PLC controller 10.
When welding product change, it is necessary to when changing the crest height of tin liquor wave crest, then controlled automatically using the crest height
System processed carries out crest height correction, and the frequency that the tin liquor is pumped to 21 or described drivers 40 is adjusted to appropriate value.
In the present embodiment, the crest height automatic control system is further included to be connected with the input terminal of the PLC controller 10
The displacement sensor 25 connect, institute's displacement sensors 25 are arranged in the supporting table 22, for monitoring the supporting table 22
The distance for rising or declining, and testing result is fed back into the PLC controller 10.
The PLC controller 10 includes touch display screen 11, and related personnel can be inputted by the touch display screen 11 and be set
Each parameter value is determined, the predetermined value of tin liquor crest height, the tin liquor nozzle 23 and the tin wave sensor 32 as described in setting
Distance that starting distance, the supporting table 22 rise or fall, the frequency of tin liquor pump 21, the frequency of the driver 40
Deng, and the real time job parameter of the crest height automatic control system each several part is understood in real time.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of crest height automatic control system, which is characterized in that including PLC controller, wave crest generating unit, wave crest detection
Unit and driver, the wave-peak detection unit are arranged on above the wave crest generating unit；The wave crest generating unit bag
Include tin liquor pump, supporting table, the tin liquor nozzle being arranged in the supporting table and the lifting device being arranged under the supporting table；Institute
Stating wave-peak detection unit includes horizontal-extending track and can be along the tin wave sensor of the tracks travel, the tin wave sensor
It is connected with the input terminal of the PLC controller；The driver is connected with the output terminal of the PLC controller.
2. crest height automatic control system as described in claim 1, which is characterized in that further include and be arranged on the supporting table
On displacement sensor, institute's displacement sensors are connected with the input terminal of the PLC controller.
3. crest height automatic control system as described in claim 1, which is characterized in that the tin liquor pump is electrodynamic pump or electricity
Magnetic pumping.
4. crest height automatic control system as described in claim 1, which is characterized in that the lifting device is cylinder or liquid
Cylinder pressure.
5. crest height automatic control system as described in claim 1, which is characterized in that the driver includes variable-frequency electric
Machine.
6. crest height automatic control system as described in claim 1, which is characterized in that the PLC controller includes touching
Display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440966.2U CN207427589U (en) | 2017-11-02 | 2017-11-02 | A kind of crest height automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440966.2U CN207427589U (en) | 2017-11-02 | 2017-11-02 | A kind of crest height automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207427589U true CN207427589U (en) | 2018-05-29 |
Family
ID=62306635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721440966.2U Expired - Fee Related CN207427589U (en) | 2017-11-02 | 2017-11-02 | A kind of crest height automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207427589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523475A (en) * | 2020-04-22 | 2021-10-22 | 英业达科技有限公司 | Tin wave height measuring system and method |
-
2017
- 2017-11-02 CN CN201721440966.2U patent/CN207427589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523475A (en) * | 2020-04-22 | 2021-10-22 | 英业达科技有限公司 | Tin wave height measuring system and method |
| CN113523475B (en) * | 2020-04-22 | 2022-09-27 | 英业达科技有限公司 | Tin wave height measuring system and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20201102 |