CN211516376U - Cooling water treatment device for welding gun - Google Patents
Cooling water treatment device for welding gun Download PDFInfo
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- CN211516376U CN211516376U CN202020065435.5U CN202020065435U CN211516376U CN 211516376 U CN211516376 U CN 211516376U CN 202020065435 U CN202020065435 U CN 202020065435U CN 211516376 U CN211516376 U CN 211516376U
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Abstract
The utility model discloses a welding gun cooling water treatment device, including the integrated board, be provided with inlet channel and outlet channel on this integrated board, the inlet end connection of this inlet channel has first water supply connector, and its exit end is connected with first flow sensor, and this first flow sensor outer end is connected with first water connector, is provided with the stop valve of intaking on the inlet channel, the inlet end connection of outlet channel has second flow sensor, and the tip of this second flow sensor is connected with second water supply connector, is connected with second water connector at the outlet end of outlet channel; 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 utility model relates to an automotive automation produces technical field, concretely relates to welding gun cooling water treatment facilities.
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
To the technical problem that exists at present, the utility model provides a welding gun cooling water treatment facilities to solve prior art's various problems.
In order to achieve the purpose of the invention, the utility model 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 beneficial effects of the utility model are that: the utility model discloses on the one hand can cool off the welding gun water circulation pipeline when normally using to real time monitoring cooling water flow, guarantee welding quality, on the other hand can make the reaction fast and cut off the water inlet pipe when the electrode cap drops, with the remaining water in electrode well core pipe and the electrode inner chamber completely eliminated, effectively avoided in the actual production because the electrode cap drops or changes the electrode cap and lead to the cooling water splash problem, effectively improved production safety, the cost is reduced; simultaneously the utility model discloses all integrate diaphragm pump, flow sensor and stop valve on the integrated board, overall structure is compacter, and required space is less, convenient transport.
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. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on 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", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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 construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, 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 to the front port of the section 110, and the first flow sensor 5 is connected to the rear port of the.
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 can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts 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 welding gun cooling water treatment device according to claim 4, characterized in that: 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 welding gun cooling water treatment device according to claim 5, characterized in that: 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 |
|---|---|---|---|
| CN202020065435.5U CN211516376U (en) | 2020-01-13 | 2020-01-13 | Cooling water treatment device for welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065435.5U CN211516376U (en) | 2020-01-13 | 2020-01-13 | Cooling water treatment device for welding gun |
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| Publication Number | Publication Date |
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| CN211516376U true CN211516376U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020065435.5U Active CN211516376U (en) | 2020-01-13 | 2020-01-13 | Cooling water treatment device for welding gun |
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| CN (1) | CN211516376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037081A (en) * | 2020-01-13 | 2020-04-21 | 重庆特博液压机电有限公司 | Welding gun cooling water treatment device |
-
2020
- 2020-01-13 CN CN202020065435.5U patent/CN211516376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037081A (en) * | 2020-01-13 | 2020-04-21 | 重庆特博液压机电有限公司 | Welding gun cooling water treatment device |
| CN111037081B (en) * | 2020-01-13 | 2023-08-15 | 重庆特博智能装备有限公司 | Welder cooling water processing apparatus |
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