CN108637533A - Weld cooling system and the robot that is welded using the welding cooling system - Google Patents
Weld cooling system and the robot that is welded using the welding cooling system Download PDFInfo
- Publication number
- CN108637533A CN108637533A CN201810346472.0A CN201810346472A CN108637533A CN 108637533 A CN108637533 A CN 108637533A CN 201810346472 A CN201810346472 A CN 201810346472A CN 108637533 A CN108637533 A CN 108637533A
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- CN
- China
- Prior art keywords
- water
- welding
- cooling system
- processor
- welding gun
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The present invention provides a kind of welding cooling system and the robot that is welded using the welding cooling system,Cooling system includes water Isobarically Control module and recirculated water cooling module,Water Isobarically Control module includes processor,Frequency converter,Water pump assembly and hydraulic pressure sensor,Hydraulic pressure sensor is electrically connected with processor,The water outlet of water-supply-pipe is connect with welding gun,The water inlet pipe of water pump assembly is set in circulating water pool,Recirculated water cooling module includes welding machine controller,Transformer,Woven hose,Return duct,Solenoid valve and flow sensor,Flow sensor is electrically connected with processor,The present invention passes through flow sensor,The design of processor and solenoid valve,So that when judgement falls off to the electrode cap,The closing of control solenoid valve can effectively be passed through,So as to stop the closing of recirculated water in welding cooling system,And then effectively prevent the pollution in automobile body-in-white production process to vehicle body,And prevent the damage of horn.
Description
Technical field
The present invention relates to equipment cooling technology field, more particularly to a kind of welding cooling system and use the welding cooling system
The robot that is welded of system.
Background technology
With the development of the progress and society of science, robotic welding technology is rapidly progressed, more and more to weld
Machine people applies to manufacture production industry, and automobile industry is especially prominent.During being welded robot use, when welding gun uses
When time is longer, it is easy to lead to the damage of welding gun since temperature quickly increases, welding cooling system arises, welding
Cooling system is cooled down for real-time Butt welding gun, so that effective prevent welding gun due to the excessively high caused damage of temperature.
Currently, in Butt welding gun cooling procedure, often there is robotic gun power down polar cap in existing welding cooling system
Recirculated cooling water is not closed in time afterwards, and the case where continue welding, in turn results in the pollution to vehicle body during automobile production,
And it is easy to cause the damage of robot horn.
Invention content
Based on this, the purpose of the present invention is to provide one kind when welding gun upper electrode cap is fallen, and can close and follow in time
The welding cooling system of ring cooling water and the robot that is welded using the welding cooling system.
A kind of welding cooling system, the cooling of welding gun on the robot horn that is welded, including respectively with the welding gun
The water Isobarically Control module and recirculated water cooling module of connection, the water Isobarically Control module include processor and the processor
The frequency converter of electric connection, the water pump assembly being electrically connected with the frequency converter and the water on the water pump assembly water-supply-pipe
Pressure sensor, the hydraulic pressure sensor are electrically connected with the processor, and the water outlet of the water-supply-pipe is connect with the welding gun,
The water inlet pipe of the water pump assembly is set in circulating water pool, and the water Isobarically Control module is for controlling the water for transferring to the welding gun
Pressure is kept constant；
The recirculated water cooling module includes the welding machine controller being electrically connected with the welding gun, is respectively arranged on the welding gun
Transformer and the woven hose between the circulating water pool and the welding gun and return duct, the electricity on the woven hose
Magnet valve and the flow sensor on the return duct, the flow sensor are electrically connected with the processor, the stream
Quantity sensor is returned for checking respectively the circling water flow rate on the welding gun and the transformer, and described in detecting
Water flow is sent to the processor, when so that the processor determining the circling water flow rate less than preset flow, judges institute
It states welding gun upper electrode cap to be fallen, and sends shutdown signal and closed to the solenoid valve with controlling the woven hose.
Above-mentioned welding cooling system, by the design of the flow sensor, the processor and the solenoid valve, so that
It, can be effectively by controlling the closing of the solenoid valve, so that it is cold to stop the welding when judgement falls off to the electrode cap
But in system recirculated water closing, and then effectively prevent the pollution in automobile body-in-white production process to vehicle body, and prevent
The damage of the horn, by the design of the hydraulic pressure sensor, the frequency converter and the processor, effectively to the weldering
Hydraulic pressure has carried out real-time control in rifle, to ensure the constant of hydraulic pressure in the welding gun, i.e., flow everywhere it is constant, improve institute
State the safety in utilization of welding cooling system.
Further, signal amplification circuit, the signal amplification are equipped between the pressure sensor and the processor
Circuit is for amplifying the detection signal that the pressure sensor is sent to the processor.
Further, the signal amplification circuit include first resistor, with the concatenated second resistance of the first resistor, with
The concatenated triode of the second resistance and with the concatenated bias supply of the triode, the output end of the triode, which is equipped with, to be put
Big signal output end, the signal amplification output end are electrically connected with the processor.
Further, check valve is additionally provided on the return duct, the check valve is for preventing the reflux liquid in pipe
Pour in down a chimney.
Further, the water pump assembly is equipped with status indicator lamp, in the status indicator lamp and the water pump assembly
Pump motor be electrically connected.
Further, it is equipped in the frequency converter and powers on regulator circuit, the regulator circuit that powers on is for preventing the change
The voltage breakdown of powered on moment in frequency device.
Further, the water pump assembly is equipped with denoiser, and the denoiser generates for reducing the water pump assembly
Noise.
Further, the processor is made of PLC or microcontroller.
One kind is welded robot, including weld assembly and above-mentioned welding cooling system, the weld assembly include horn
With the welding gun on the horn, the welding gun is connect with the welding cooling system.
Description of the drawings
Fig. 1 is the structural schematic diagram for the welding cooling system that first embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the welding cooling system that second embodiment of the invention provides；
Fig. 3 is the electrical block diagram of signal amplification circuit in Fig. 2；
Essential element symbol description
| Weld cooling system | 100,100a | Processor | 10 |
| Frequency converter | 11 | Pressure sensor | 12 |
| Signal amplification circuit | 13 | Water pump assembly | 20 |
| Woven hose | 21 | Solenoid valve | 22 |
| Return duct | 23 | Check valve | 24 |
| Flow sensor | 25 | Welding gun | 30 |
| Circulating water pool | 40 | First resistor | R1 |
| Second resistance | R2 | Triode | T1 |
| Amplified signal output end | Q1 | Bias supply | E1 |
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Specific implementation mode be described in detail.Several embodiments of the present invention are given in attached drawing.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.Make on the contrary, purpose of providing these embodiments is
It is more thorough and comprehensive to the disclosure.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", "upper", "lower" and similar statement for illustrative purposes only, do not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.Term " and or " used herein include the arbitrary of one or more relevant Listed Items and
All combinations.
Referring to Fig. 1, first embodiment of the invention provides a kind of welding cooling system 100, for the robot electrode that is welded
The cooling of welding gun 30 on arm, including the water Isobarically Control module and recirculated water cooling module that are connect respectively with the welding gun 30, it is described
Stabilization of the water Isobarically Control module for hydraulic pressure in welding gun 30 described in stability contorting, to improve under 30 working condition of the welding gun
Usage safety performance, the recirculated water cooling module are used to cool down the welding gun 30 by the way of Water-cooling circulating, to prevent
Only the welding gun 30 improves the service life of the welding gun 30 due to the excessively high caused damage of temperature.
Specifically, the water Isobarically Control module includes processor 10, the frequency converter with the electric connection of the processor 10
11, the water pump assembly 20 being electrically connected with the frequency converter 11 and the hydraulic pressure on 20 water-supply-pipe of the water pump assembly sense
Device, the hydraulic pressure sensor are electrically connected with the processor 10, and the hydraulic pressure sensor for detecting the water pump machine in real time
Group 20 transfers to the hydraulic pressure size of the welding gun 30, and detected value is sent to the processor 10, so that the processor 10 will
The detected value received is compared with pre-set value, obtains error amount and the error amount is sent to the frequency converter 11, into
And by adjusting the frequency converter 11 to control the output of the water pump assembly 20 so that in the welding cooling system 100
Cyclic hydrostatic pressure controls within the scope of 0.4Mpa ± 0.02Mpa, and the water outlet of the water-supply-pipe is connect with the welding gun 30, the water
The water inlet pipe of pump assembly 20 is set in circulating water pool 40, and the water Isobarically Control module is for controlling the water for transferring to the welding gun 30
Pressure is kept constant.
The recirculated water cooling module includes the welding machine controller being electrically connected with the welding gun 30, is respectively arranged on the welding gun
Transformer on 30 and the woven hose between the circulating water pool 40 and the welding gun 30 21 and return duct 23, be set to it is described
Solenoid valve 22 on woven hose 21 and the flow sensor on the return duct 23 25, the flow sensor 25 with it is described
Processor 10 is electrically connected, and the flow sensor 25 is used for respectively to the circling water flow rate on the welding gun 30 and the transformer
It is checked, and the circling water flow rate detected is sent to the processor 10, so that the processor 10 determines institute
When stating circling water flow rate less than preset flow, judge that 30 upper electrode cap of the welding gun is fallen, and send shutdown signal to institute
Solenoid valve 22 is stated to control the closing of the woven hose 21.
Specifically, in the present embodiment, the return water of the flow sensor 25 the detections welding guns 30 and the transformer
Flow, when the electrode cap on the welding gun 30 is fallen off, the circling water flow rate at the welding gun 30 becomes 0, the transformer
Circling water flow rate is about 15%, and the flow-reduction that the flow sensor 25 calculates is 15% originally, is changed clearly, at this time
The processor 10 judges that the electrode cap is fallen off, and then the processor 10 sends shutdown signal to the electricity in time
Magnet valve 22, so that the solenoid valve 22 closes the woven hose 21, to achieve the effect that close recirculated cooling water, and it is same
When the robot that makes to be welded stop welding and send out alarm.
Preferably, check valve 24 is additionally provided on the return duct 23, the check valve 24 is for preventing the return duct 23
Interior liquid pours in down a chimney, and then improves the usage safety performance of the welding cooling system 100, and the water pump assembly 20 is equipped with
Status indicator lamp, the status indicator lamp is electrically connected with the pump motor in the water pump assembly 20, when the water pump assembly
20 it is in running order when, the status indicator lamp sends out light, to prompt water pump assembly 20 described in user working, in turn
Observation of the user to 20 state of the water pump assembly is facilitated, user experience is improved.
Regulator circuit is powered in addition, being equipped in frequency converter 11 described in the present embodiment, the regulator circuit that powers on is for preventing
Only in the frequency converter 11 powered on moment voltage breakdown, and then effectively raise the frequency converter 11 work when stabilization
Property, the working efficiency of the welding cooling system 100 is improved, the water pump assembly 20 is equipped with denoiser, the denoiser
The noise generated for reducing the water pump assembly 20 effectively reduces the water pump machine by the design of the denoiser
The noise sent out when 20 work of group improves the experience of user, and the processor 10 is made of PLC or microcontroller, Jin Eryou
The production cost for reducing the processor 10 of effect.
In the present embodiment, by the design of the flow sensor 25, the processor 10 and the solenoid valve 22, so that
It, can be effectively by controlling the closing of the solenoid valve 22, so as to stop the welding when judgement falls off to the electrode cap
The closing of recirculated water in cooling system 100, and then the pollution in automobile body-in-white production process to vehicle body is effectively prevented, and it is anti-
The damage for having stopped the horn, by the design of the hydraulic pressure sensor, the frequency converter 11 and the processor 10, effectively
Real-time control has been carried out to hydraulic pressure in the welding gun 30, to ensure the constant of hydraulic pressure in the welding gun 30, has improved the welding
The safety in utilization of cooling system 100.
Referring to Fig. 2, the structural schematic diagram of the welding cooling system 100a provided for second embodiment of the invention, this second
The structure of embodiment and first embodiment is more or less the same, difference lies in, pressure sensor 12 described in the present embodiment with it is described
Signal amplification circuit 13 is equipped between processor 10, the signal amplification circuit 13 is for amplifying the transmission of the pressure sensor 12
To the detection signal of the processor 10.
Specifically, referring to Fig. 3, the signal amplification circuit 13 includes first resistor R1, is gone here and there with the first resistor R1
The second resistance R2 of connection, with the concatenated triode T1 of the second resistance R2 and with the concatenated bias supplies of triode T1
The output end of E1, the triode T1 are equipped with amplified signal output end Q1, according to circuitry principle, the bias supply E1 and two
A resistance will ensure that the triode T1 works in linear amplification region always.
In the present embodiment, by the design of the signal amplification circuit 13, the pressure sensor 12 is effectively raised
It is sent to the stability of the signal of the processor 10, and then has effectively ensured the welding cooling system 100a to the weldering
The stability of hydraulic pressure control in rifle 30.
One kind is welded robot, including weld assembly and above-mentioned welding cooling system 100a, and the weld assembly includes electricity
Polar arm and the welding gun 30 on the horn, the welding gun 30 are connect with the welding cooling system 100a.The present invention is logical
The design of overcurrent quantity sensor 25, processor 10 and solenoid valve 22, so that when judgement falls off to the electrode cap, it can be effective
By controlling the closing of solenoid valve 22, so as to stop the closing of recirculated water in welding cooling system, and then automobile is effectively prevented
To the pollution of vehicle body in white body production process, and prevent the damage of horn
Above embodiment described the technical principles of the present invention, and the description is merely to explain the principles of the invention, and
It cannot be construed to the limitation of the scope of the present invention in any way.Based on the explanation herein, those skilled in the art is not required to
Other specific implementation modes of the present invention can be associated by paying performing creative labour, these modes fall within the present invention's
In protection domain.
Claims (9)
1. a kind of welding cooling system, the cooling of welding gun on the robot horn that is welded, it is characterised in that：Including respectively with
The water Isobarically Control module and recirculated water cooling module, the water Isobarically Control module of the welding gun connection include processor and institute
State the frequency converter of processor electric connection, with the water pump assembly of frequency converter electric connection and set on the water pump assembly water delivery
Hydraulic pressure sensor on pipe, the hydraulic pressure sensor and the processor are electrically connected, the water outlet of the water-supply-pipe with it is described
Welding gun connects, and the water inlet pipe of the water pump assembly is set in circulating water pool, and the water Isobarically Control module transfers to institute for controlling
The hydraulic pressure for stating welding gun is kept constant；
The recirculated water cooling module includes the welding machine controller being electrically connected with the welding gun, the change being respectively arranged on the welding gun
Depressor and the woven hose between the circulating water pool and the welding gun and return duct, the solenoid valve on the woven hose
With the flow sensor on the return duct, the flow sensor is electrically connected with the processor, and the flow passes
The return water stream that sensor is used to respectively check the circling water flow rate on the welding gun and the transformer, and will detect
Amount is sent to the processor, when so that the processor determining the circling water flow rate less than preset flow, judges the weldering
Rifle upper electrode cap is fallen, and is sent shutdown signal and closed to the solenoid valve with controlling the woven hose.
2. welding cooling system according to claim 1, it is characterised in that：The pressure sensor and the processor it
Between be equipped with signal amplification circuit, the signal amplification circuit is for amplifying the inspection that the pressure sensor is sent to the processor
Survey signal.
3. welding cooling system according to claim 2, it is characterised in that：The signal amplification circuit includes the first electricity
Resistance is connected with the concatenated second resistance of the first resistor, with the concatenated triode of the second resistance and with the triode
Bias supply, the output end of the triode is equipped with amplified signal output end, the signal amplification output end and the processing
Device is electrically connected.
4. welding cooling system according to claim 1, it is characterised in that：Check valve, institute are additionally provided on the return duct
Check valve is stated for preventing pouring in down a chimney for the reflux liquid in pipe.
5. welding cooling system according to claim 1, it is characterised in that：The water pump assembly is equipped with state instruction
Lamp, the status indicator lamp are electrically connected with the pump motor in the water pump assembly.
6. welding cooling system according to claim 1, it is characterised in that：It is equipped in the frequency converter and powers on voltage stabilizing electricity
Road, the voltage breakdown for powering on regulator circuit for preventing powered on moment in the frequency converter.
7. welding cooling system according to claim 1, it is characterised in that：The water pump assembly is equipped with denoiser, institute
State the noise that denoiser generates for reducing the water pump assembly.
8. welding cooling system according to claim 1, it is characterised in that：The processor uses PLC or monolithic mechanism
At.
The robot 9. one kind is welded, it is characterised in that：It is cold including welding described in weld assembly and claim 1 to 8 any one
But system, the weld assembly include horn and the welding gun on the horn, and the welding gun is cooled down with the welding
System connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346472.0A CN108637533A (en) | 2018-04-17 | 2018-04-17 | Weld cooling system and the robot that is welded using the welding cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346472.0A CN108637533A (en) | 2018-04-17 | 2018-04-17 | Weld cooling system and the robot that is welded using the welding cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108637533A true CN108637533A (en) | 2018-10-12 |
Family
ID=63746446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810346472.0A Pending CN108637533A (en) | 2018-04-17 | 2018-04-17 | Weld cooling system and the robot that is welded using the welding cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108637533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545904A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Rapid cooling system for double-laser-beam bilateral synchronous welding process |
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| CN106695885A (en) * | 2017-02-10 | 2017-05-24 | 旷知智能***（上海）有限公司 | Cooling water supply unit for welding robot |
| CN107009016A (en) * | 2015-11-23 | 2017-08-04 | 比尔克特韦尔克有限公司 | Welding helmet cooling water control system |
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2018
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| KR20000014954A (en) * | 1998-08-26 | 2000-03-15 | 윤종용 | Cutting apparatus and method of lcd glass and large-sized flat display device fabricating method using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111545904A (en) * | 2020-05-13 | 2020-08-18 | 南京航空航天大学 | Rapid cooling system for double-laser-beam bilateral synchronous welding process |
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| PB01 | Publication | ||
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Application publication date: 20181012 |