CN111037081A - Welding gun cooling water treatment device - Google Patents
Welding gun cooling water treatment device Download PDFInfo
- Publication number
- CN111037081A CN111037081A CN202010032412.9A CN202010032412A CN111037081A CN 111037081 A CN111037081 A CN 111037081A CN 202010032412 A CN202010032412 A CN 202010032412A CN 111037081 A CN111037081 A CN 111037081A
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- Prior art keywords
- water
- channel
- water outlet
- communicated
- water inlet
- Prior art date
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- 238000003466 welding Methods 0.000 title claims abstract description 30
- 239000000498 cooling water Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 244
- 238000005086 pumping Methods 0.000 claims abstract description 66
- 238000004891 communication Methods 0.000 claims description 17
- 230000010354 integration Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/3063—Electrode maintenance, e.g. cleaning, grinding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a welding gun cooling water treatment device, which comprises an integrated board, wherein a water inlet channel and a water outlet channel are arranged on the integrated board, the inlet end of the water inlet channel is connected with a first water inlet joint, the outlet end of the water inlet channel is connected with a first flow sensor, the outer end of the first flow sensor is connected with a first water outlet joint, the water inlet channel is provided with a water inlet stop valve, the inlet end of the water outlet channel is connected with a second flow sensor, the end part of the second flow sensor is connected with a second water inlet joint, and the outlet end of the water outlet channel is connected with a second water outlet joint; the water pump is characterized by further comprising a first water pumping channel and a second water pumping channel, wherein one end of the first water pumping channel can be communicated with the water inlet channel through a water pumping stop valve, the other end of the first water pumping channel is communicated with the water outlet channel, one end of the second water pumping channel is communicated with the water outlet channel, and the other end of the second water pumping channel is communicated with the diaphragm pump.
Description
Technical Field
The invention relates to the technical field of automatic production of automobiles, in particular to a welding gun cooling water treatment device.
Background
In the welding process of the automobile body, the welding gun generates heat due to the large welding current during working, so that circulating cooling water needs to be continuously introduced into the welding gun in the whole working process. In particular, in the production mainly based on resistance spot welding, in order to ensure the production quality, the electrode cap needs to be polished and replaced frequently. When the electrode cap needs to be replaced, although the water inlet pipeline is cut off, water still remains in the welding gun. Excessive residual cooling water in the welding gun pipeline can cause splashing, thereby causing many safety problems: such as electric shock hazard and slip hazard; the large amount of cooling water also corrodes equipment and products, causing serious economic losses, and therefore the residual water inside must be treated before the cap is removed.
At present, the existing water pumping device for pumping residual cooling water in a welding gun pipeline can only pump water once basically and can not pump water continuously and cut off water inlet, so that residual water in the pipeline can not be completely removed, corresponding safety problems can be caused, and serious economic loss is caused for production enterprises.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a welding gun cooling water treatment device to solve various problems in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a welding gun cooling water treatment device comprises an integrated board, wherein a water inlet channel and a water outlet channel are arranged on the integrated board, the inlet end of the water inlet channel is connected with a first water inlet joint, the outlet end of the water inlet channel is connected with a first flow sensor, one end of the first flow sensor is communicated with the outlet end of the water inlet channel, the other end of the first flow sensor is connected with a first water outlet joint, a water inlet stop valve is arranged on the water inlet channel, the inlet end of the water outlet channel is connected with a second flow sensor, one end of the second flow sensor is communicated with the inlet end of the water outlet channel, the other end of the second flow sensor is connected with a second water inlet joint, and the outlet end of the water outlet channel is connected with a second water outlet;
the water pump is characterized by further comprising a first water pumping channel and a second water pumping channel, wherein one end of the first water pumping channel can be communicated with the water inlet channel through a water pumping stop valve, the other end of the first water pumping channel is communicated with the water outlet channel, one end of the second water pumping channel is communicated with the water outlet channel, and the other end of the second water pumping channel is communicated with the diaphragm pump.
According to the technical scheme, when a welding gun is cooled, a water inlet stop valve is opened, a water pumping stop valve is closed, cooling water is introduced from a first water inlet connector, enters a welding gun water inlet hose from a first water outlet connector after passing through a water inlet channel, the water inlet stop valve and a first flow sensor, then enters a core tube, is sprayed onto an electrode cap to be cooled, flows through an electrode inner cavity, is introduced into a second water inlet connector from a water return hose, and returns to a water drainage pipeline from the second water outlet connector after passing through a second flow sensor;
when the electrode cap is replaced, the water inlet stop valve is cut off, the water pumping stop valve is opened, the diaphragm pump is started, vacuum is generated in the pipeline, when the electrode cap is separated from the electrode, external atmospheric pressure forces water in the central core pipe to flow into the diaphragm pump sequentially through the water inlet hose, the first flow sensor, the first water pumping channel and the second water pumping channel, residual water in the inner cavity of the electrode flows into the diaphragm pump sequentially through the water return hose, the second flow sensor, the water outlet channel and the second water pumping channel, the residual water is discharged through the diaphragm pump, and the residual water is pumped back to the diaphragm pump through two paths, so that on one hand, the water pumping efficiency is improved, on the other hand, the residual water in the central core pipe and the inner cavity of the electrode can not overflow in the process of replacing the electrode cap, and the;
when the electrode cap falls off accidentally, the output value of the first flow sensor is increased, the output value of the second flow sensor is decreased, the difference value of the output value of the second flow sensor is changed remarkably, the controller can cut off the water inlet stop valve immediately, open the water pumping stop valve, start the diaphragm pump and give an alarm signal, so that the occurrence of a large amount of water splash and accidents is avoided, the falling of the electrode cap is judged by the difference value of the two flow sensors, the sensitivity of the system is improved, and the anti-interference capability is enhanced.
Preferably, a first one-way valve is arranged at a communication position of the diaphragm pump and the second water pumping channel, and a second one-way valve is arranged at one end of the water outlet channel close to the second water outlet joint.
So set up, prevented through setting up first check valve and second check valve that the refluence appears in normal work and the pumping process of cooling water.
Preferably, a water outlet of the diaphragm pump is connected with a water discharge pipe, a confluence block is connected between the second water outlet joint and the outlet end of the water outlet channel, a central through hole is formed in the confluence block, one end of the central through hole is communicated with the water outlet channel, the other end of the central through hole is communicated with the second water outlet joint, a confluence hole communicated with the central through hole is further formed in the confluence block, one end of the water discharge pipe is communicated with the water outlet of the diaphragm pump, and the other end of the water discharge pipe is communicated with the confluence hole.
According to the arrangement, the residual water is pumped out and then enters the confluence block through the drain pipe, and then is discharged through the second water outlet joint.
Preferably, the water inlet channel and the water outlet channel are arranged in parallel.
Preferably, the first water pumping channel is parallel to the second water pumping channel, and the first water pumping channel is perpendicular to the water inlet channel.
Preferably, the connection point of the diaphragm pump and the second pumping channel is located between the water inlet channel and the water outlet channel.
So set up, install the diaphragm pump directly over the integrated board, make overall structure compacter firm.
Preferably, a first notch is arranged on the integration plate at a position close to the second water outlet joint, and the confluence block is connected to the first notch.
Preferably, a second notch is provided on the manifold plate at a position close to the first water outlet joint, and the first flow sensor is mounted at the second notch.
Preferably, a third notch is provided at a position on the manifold plate adjacent to the second water inlet joint, and the second flow sensor is mounted at the third notch.
Compared with the prior art, the invention has the beneficial effects that: on one hand, the welding gun water circulation pipeline can be cooled when the welding gun water circulation pipeline is normally used, the flow of cooling water can be monitored in real time, the welding quality is improved, on the other hand, when the electrode cap falls off, the water inlet pipeline can be quickly cut off in response, and residual water in the electrode core tube and the electrode inner cavity is completely removed, so that the problem of cooling water splashing caused by the falling of the electrode cap or the replacement of the electrode cap in actual production is effectively avoided, the production safety is effectively improved, and the cost is reduced; meanwhile, the diaphragm pump, the flow sensor and the stop valve are integrated on the integrated board, so that the integrated structure is more compact, the required space is smaller, and the integrated board is convenient to carry.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 3 is an internal cross-sectional view of the manifold plate of FIG. 1;
fig. 4 is a schematic diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The welding gun cooling water treatment device shown in the attached drawings 1-4 comprises an integrated board 1, wherein a water inlet channel 11 and a water outlet channel 12 are arranged on the integrated board 1, the water inlet channel 11 is parallel to the water outlet channel 12, the inlet end of the water inlet channel 11 is connected with a first water inlet joint 21, the outlet end of the water inlet channel is connected with a first flow sensor 5, one end of the first flow sensor 5 is communicated with the outlet end of the water inlet channel 11, the other end of the first flow sensor 5 is connected with a first water outlet joint 22, the water inlet channel 11 comprises a section 110 and a section 111, the section 110 and the section 111 can be communicated through a water inlet stop valve 3, the first water inlet joint 21 is connected with the front port of the section 110, and the first flow sensor 5 is connected with the rear port of the section 111.
A second notch is arranged on the integration board 1 near the first water outlet joint 22, and the first flow sensor 5 is mounted at the second notch, so that the integration level and the stability are improved.
The inlet end of the water outlet channel 12 is connected with a second flow sensor 6, one end of the second flow sensor 6 is communicated with the inlet end of the water outlet channel 12, the other end of the second flow sensor 6 is connected with a second water inlet joint 23, the outlet end of the water outlet channel 12 is connected with a confluence block 7, the confluence block 7 is provided with a central through hole 70, one end of the central through hole 70 is communicated with the water outlet channel 12, the other end of the central through hole 70 is communicated with a second water outlet joint 24, the confluence block 7 is also provided with a confluence hole 71 communicated with the central through hole 70, the axial line of the confluence hole 71 is vertical to the axial line of the central through hole 70, and the opening of the confluence hole 70 is upward. A first notch is arranged on the integration board 1 at a position close to the second water outlet joint 24, and the confluence block 7 is connected at the first notch to improve the integration level and stability. A third notch is provided on the manifold board 1 at a position close to the second water inlet joint 23, and the second flow sensor 6 is installed at the third notch.
The manifold plate 1 is also provided with a first water pumping channel 13 and a second water pumping channel 14, the first water pumping channel 13 is parallel to the second water pumping channel 14, and the first water pumping channel 13 is vertical to the water inlet channel 11. And the first pumping channel 13 and the second pumping channel 14 are located in the area between the water inlet channel 11 and the water outlet channel 12.
One end of the first pumping channel 13 is communicated with the second section 111 of the water inlet channel 11 through the pumping stop valve 4, the other end thereof is communicated with the water outlet channel 12, one end of the second pumping channel 14 is communicated with the water outlet channel 12, the other end thereof is communicated with the diaphragm pump 9, and the connection point of the diaphragm pump 9 and the second pumping channel 14 is positioned between the water inlet channel 11 and the water outlet channel 12. A water outlet 90 is connected to the water outlet of the diaphragm pump 9, and the water outlet of the water outlet 90 is connected to the confluence hole 71.
The manifold 1 is provided with a first communication hole 16 and a second communication hole 17, the first communication hole 16 is two, one of the first communication holes is communicated with the first section 110, the other is communicated with the second section 111, and the water inlet stop valve 3 realizes the communication or disconnection of the first section 110 and the second section 111 of the water inlet channel 11 through the two first communication holes 16 and is used for controlling the opening and closing of the water inlet channel 11. The second communication holes 17 are two, one of which is communicated with the second section 111 of the water inlet channel 11, and the other is communicated with the first water pumping channel 13, and the water pumping stop valve 4 realizes the communication or disconnection between the water inlet channel 11 and the first water pumping channel 13 through the two second communication holes 17 and is used for controlling the opening and closing of the first water pumping channel 13.
The manifold 1 is provided with a third communication hole 15, the third communication hole 15 is communicated with the second water pumping channel 14, the opening of the third communication hole 15 is upward, the diaphragm pump 9 is communicated with the second water pumping channel 14 through the third communication hole 15, a first one-way valve 81 is arranged at the communication position of the diaphragm pump 9 and the second water pumping channel 14, and a second one-way valve 82 is arranged at one end position, close to the second water outlet joint 24, of the water outlet channel 12.
The device is controlled by a controller, and the water inlet stop valve 3, the water pumping stop valve 4 and the diaphragm pump 9 are electrically connected with the controller.
In the actual use process, the first water outlet connector 22 is communicated with the inner cavity of the core tube 101 through the water inlet hose 103, and the second water inlet connector 23 is communicated with the inner cavity of the electrode 102 through the water return hose 103.
As can be seen from fig. 4, when the welding gun is cooled, the water inlet stop valve 3 is opened, the water pumping stop valve 4 is closed, cooling water is introduced from the first water inlet connector 21, enters the water inlet hose 103 from the first water outlet connector 22 after passing through the water inlet stop valve 3 and the first flow sensor 5, then enters the core tube 101, is sprayed onto the electrode cap 100, is cooled, flows through the inner cavity of the electrode 102, is introduced into the second water inlet connector 23 from the water return hose 103, and returns to the water drainage pipeline from the second water outlet connector 24 after passing through the second flow sensor 6.
When the electrode cap 100 is replaced, the water inlet stop valve 3 is cut off, the water pumping stop valve 4 is opened, the diaphragm pump 9 is started, vacuum is generated in the channel, when the electrode cap 100 is separated from the electrode 102, external atmospheric pressure enables water in the core tube 101 to flow into the diaphragm pump 9 sequentially through the water inlet hose 103, the first flow sensor 5, the second section 111, the first water pumping channel 13 and the second water pumping channel 14, residual water in the inner cavity of the electrode 102 flows into the diaphragm pump 9 sequentially through the water return hose 103, the second flow sensor 6, the water outlet channel 12 and the second water pumping channel 14, is discharged to the confluence block 7 through the water discharge pipe 90, and is discharged through the second water outlet connector 24.
When the electrode cap 100 falls off accidentally, the output value of the first flow sensor 5 is increased, the output value of the second flow sensor 6 is reduced, the difference value of the output value and the difference value is changed remarkably, the controller can cut off the water inlet stop valve 3 immediately, open the water pumping stop valve 4, start the diaphragm pump 9 and give an alarm signal, so that the occurrence of a large amount of water splash and accidents is avoided, the falling of the electrode cap is judged by the difference value of the two flow sensors, the sensitivity of the system is improved, and the anti-interference capability is enhanced.
The foregoing describes preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The utility model provides a welding gun cooling water processing apparatus which characterized in that: the water inlet and outlet integrated board comprises an integrated board (1), wherein a water inlet channel (11) and a water outlet channel (12) are arranged on the integrated board (1), the inlet end of the water inlet channel (11) is connected with a first water inlet joint (21), the outlet end of the water inlet channel is connected with a first flow sensor (5), one end of the first flow sensor (5) is communicated with the outlet end of the water inlet channel (11), the other end of the first flow sensor is connected with a first water outlet joint (22), a water inlet stop valve (3) is arranged on the water inlet channel (11), the inlet end of the water outlet channel (12) is connected with a second flow sensor (6), one end of the second flow sensor (6) is communicated with the inlet end of the water outlet channel (12), the other end of the second flow sensor is connected with a second water inlet joint (23), and the outlet end of the water outlet channel (12) is connected;
the water pump is characterized by further comprising a first water pumping channel (13) and a second water pumping channel (14), wherein one end of the first water pumping channel (13) can be communicated with the water inlet channel (11) through a water pumping stop valve (4), the other end of the first water pumping channel is communicated with the water outlet channel (12), one end of the second water pumping channel (14) is communicated with the water outlet channel (12), and the other end of the second water pumping channel is communicated with the diaphragm pump (9).
2. The welding gun cooling water treatment device according to claim 1, characterized in that: a first one-way valve (81) is arranged at the communication position of the diaphragm pump (9) and the second water pumping channel (14), and a second one-way valve (82) is arranged at one end position, close to the second water outlet joint (24), of the water outlet channel (12).
3. The welding gun cooling water treatment device according to claim 1, characterized in that: the water outlet of the diaphragm pump (9) is connected with a water outlet pipe (90), a confluence block (7) is connected between the second water outlet joint (24) and the outlet end of the water outlet channel (12), a central through hole (70) is formed in the confluence block (7), one end of the central through hole (70) is communicated with the water outlet channel (12), the other end of the central through hole is communicated with the second water outlet joint (24), a confluence hole (71) communicated with the central through hole (70) is further formed in the confluence block (7), one end of the water outlet pipe (90) is communicated with the water outlet of the diaphragm pump (9), and the other end of the water outlet pipe is communicated with the confluence hole (71).
4. The welding gun cooling water treatment device according to claim 1, characterized in that: the water inlet channel (11) and the water outlet channel (12) are arranged in parallel.
5. The cooling water treatment device for the welding gun as set forth in claim 4, wherein: the first water pumping channel (13) is parallel to the second water pumping channel (14), and the first water pumping channel (13) is vertical to the water inlet channel (11).
6. The cooling water treatment device for the welding gun as set forth in claim 5, wherein: the connection point of the diaphragm pump (9) and the second pumping channel (14) is positioned in the area between the water inlet channel (11) and the water outlet channel (12).
7. The welding gun cooling water treatment device according to claim 3, characterized in that: a first notch is formed in the position, close to the second water outlet joint (24), of the integrated board (1), and the manifold block (7) is connected to the first notch.
8. The welding gun cooling water treatment device according to any one of claims 1 to 7, characterized in that: and a second notch is arranged on the integration board (1) close to the first water outlet joint (22), and the first flow sensor (5) is arranged at the second notch.
9. The welding gun cooling water treatment device according to claim 8, characterized in that: and a third notch is arranged on the integration plate (1) at a position close to the second water inlet joint (23), and the second flow sensor (6) is arranged at the third notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032412.9A CN111037081B (en) | 2020-01-13 | 2020-01-13 | Welder cooling water processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010032412.9A CN111037081B (en) | 2020-01-13 | 2020-01-13 | Welder cooling water processing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN111037081A true CN111037081A (en) | 2020-04-21 |
| CN111037081B CN111037081B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010032412.9A Active CN111037081B (en) | 2020-01-13 | 2020-01-13 | Welder cooling water processing apparatus |
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| CN (1) | CN111037081B (en) |
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| DE10029745A1 (en) * | 2000-05-25 | 2001-11-29 | Ifm Electronic Gmbh | Cooling water controller has laminator in feed pipe before flow measurement device with open inlet end, closed outlet end and longitudinal slots in side wall at closed outlet end |
| CN102886630A (en) * | 2012-07-18 | 2013-01-23 | 奇瑞汽车股份有限公司 | Robot spot welding system and control method thereof |
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| KR101679190B1 (en) * | 2016-07-22 | 2016-11-24 | 변태호 | Nut spot welding apparatus with improved cooling |
| CN206500757U (en) * | 2017-02-15 | 2017-09-19 | 青岛华瑞丰机械有限公司 | A kind of quickly cooling projection welding keeper electrode |
| CN109332870A (en) * | 2018-12-06 | 2019-02-15 | 华域汽车车身零件（武汉）有限公司 | One kind is based on remaining water automatic cleaning apparatus in electrode cap replacement |
| CN209754259U (en) * | 2019-04-19 | 2019-12-10 | 重庆特博液压机电有限公司 | Automatic control system for cooling water of welding gun |
| CN209811519U (en) * | 2019-03-05 | 2019-12-20 | 上海晟灏自动化科技有限公司 | Water-gas control unit of spot welding gun |
| CN211516376U (en) * | 2020-01-13 | 2020-09-18 | 重庆特博液压机电有限公司 | Welding gun cooling water treatment device |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10029745A1 (en) * | 2000-05-25 | 2001-11-29 | Ifm Electronic Gmbh | Cooling water controller has laminator in feed pipe before flow measurement device with open inlet end, closed outlet end and longitudinal slots in side wall at closed outlet end |
| CN102886630A (en) * | 2012-07-18 | 2013-01-23 | 奇瑞汽车股份有限公司 | Robot spot welding system and control method thereof |
| US20140216708A1 (en) * | 2013-02-05 | 2014-08-07 | Buerkert Werke Gmbh | Cooling Arrangement For Cooling Weld Caps Having A Check Device And Method Of Monitoring |
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| KR101679190B1 (en) * | 2016-07-22 | 2016-11-24 | 변태호 | Nut spot welding apparatus with improved cooling |
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| CN211516376U (en) * | 2020-01-13 | 2020-09-18 | 重庆特博液压机电有限公司 | Welding gun cooling water treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111037081B (en) | 2023-08-15 |
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