CN219818481U - High-temperature smoke gas heat dissipation device for automobile part welding - Google Patents
High-temperature smoke gas heat dissipation device for automobile part welding Download PDFInfo
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- CN219818481U CN219818481U CN202320644394.9U CN202320644394U CN219818481U CN 219818481 U CN219818481 U CN 219818481U CN 202320644394 U CN202320644394 U CN 202320644394U CN 219818481 U CN219818481 U CN 219818481U
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- heat dissipation
- spray
- sliding
- heat dissipating
- smoke gas
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 64
- 238000003466 welding Methods 0.000 title claims abstract description 35
- 239000000779 smoke Substances 0.000 title claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 29
- 239000007789 gas Substances 0.000 abstract description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an automobile fitting welding high-temperature smoke gas heat dissipation device, which comprises a base, wherein the top of the base is detachably connected with a plurality of assembly plates, and a heat dissipation mechanism is assembled and connected between the assembly plates; the heat dissipation mechanism comprises a plurality of heat dissipation units; the top of the assembly plate is assembled and connected with a spray heat dissipation mechanism corresponding to the heat dissipation mechanism, the spray heat dissipation mechanism comprises a spray box, and the bottom of the spray box is communicated with a plurality of spray pipes corresponding to the heat dissipation units; the spray box is internally provided with a pressurizing spray mechanism, the pressurizing spray mechanism comprises an air compressing plate which is in sliding connection with the inside of the spray box, the top of the air compressing plate is provided with a plurality of lower air compressing cylinders, two ends of the air compressing plate are integrally formed with sliding convex seats, and the sliding convex seats are in assembling connection with the spray box through a plurality of spring sliding pieces. The device realizes spray cooling, natural and air heat conduction cooling and air cooling, improves the spray rate in an extrusion mode, and realizes high-temperature flue gas for rapid cooling welding.
Description
Technical Field
The utility model belongs to the technical field of automobile part welding treatment, and particularly relates to a high-temperature smoke gas heat dissipation device for automobile part welding.
Background
In the welding process of automobile parts, welding such as sealing welding is often carried out in a welding cabinet, and in the welding process, smoke generated by welding is exhausted through an exhaust fan in the welding cabinet. In the welding process, high-temperature smoke generated by welding needs to be subjected to cooling treatment, and subsequent harmless treatment is performed after the cooling treatment.
At present, high-temperature flue gas generated in the welding process can only be exhausted into a cooling pipeline through an exhaust fan, and the cooling pipeline is utilized to exchange heat with external air, so that cooling is realized.
However, in the actual working process, when the outside air temperature is too high, and the welding amount is too large, the high-temperature smoke amount is large, the heat exchange speed between the smoke temperature is very high and the outside environment is very slow, the smoke gas which cannot be cooled timely and effectively can be cooled, the welding can only be stopped under the condition that the smoke gas cannot be cooled rapidly and effectively, and the welding can be performed again after waiting for the smoke gas to be cooled again.
Disclosure of Invention
Based on the background, the utility model aims to provide a high-temperature smoke gas heat dissipation device for welding automobile parts.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the high-temperature smoke gas heat dissipation device for welding the automobile parts comprises a base, wherein the top of the base is detachably connected with a plurality of assembly plates, and a heat dissipation mechanism is assembled and connected between the assembly plates;
the heat dissipation mechanism comprises a plurality of heat dissipation units;
the top of the assembly plate is assembled and connected with a spray heat dissipation mechanism corresponding to the heat dissipation mechanism, the spray heat dissipation mechanism comprises a spray box, and the bottom of the spray box is communicated with a plurality of spray pipes corresponding to the heat dissipation units;
the spray box is internally provided with a pressurized spray mechanism, the pressurized spray mechanism comprises an air compressing plate which is in sliding connection with the inside of the spray box, the top of the air compressing plate is connected with a plurality of lower air compressing cylinders in an assembling manner, two ends of the air compressing plate are integrally provided with sliding convex seats, and the sliding convex seats are connected with the spray box in an assembling manner through a plurality of spring sliding parts.
Preferably, the top fixedly connected with two L type bedplate of base, the front and back both sides at L type bedplate top are fixedly connected with respectively and are gone up the assembly board, lie in the left and right sides go up the assembly and be connected with a radiating element between the assembly board, through a plurality of fastener locking between radiating element and the last assembly board.
Preferably, the fastening piece comprises a fastening screw rod which is connected with the upper assembly plate in a threaded mode, an abutting screw head is fixedly connected to the fastening screw rod, an annular abutting flange is integrally formed on the abutting screw head, and the heat radiating unit abuts against the upper assembly plate between the abutting flange and the upper assembly plate.
Preferably, the heat radiating units are communicated through U-shaped pipes, each heat radiating unit comprises a folded heat radiating pipe, the folded heat radiating pipe is communicated with an air inlet pipe, and the folded heat radiating pipe is communicated with an air outlet pipe.
Preferably, the folded radiating pipe comprises a plurality of straight pipe parts which are vertically spaced, the adjacent straight pipe parts are communicated through bent parts, and the bent parts are integrally formed on the straight pipe parts.
Preferably, sliding grooves matched with the sliding convex seats are respectively formed in the left side wall and the right side wall in the spray box, the sliding convex seats are slidably connected in the sliding grooves, and the spring sliding piece is fixedly connected in the sliding grooves.
Preferably, the spring sliding piece comprises a sliding rod fixedly connected in the sliding groove, a spring is sleeved on the sliding rod, the top of the spring is fixedly connected to the bottom of the sliding convex seat, and the bottom of the spring is fixedly connected to the top in the spray box.
Preferably, the lateral wall of the air compressing plate is propped against the inner side wall of the spray box, an air exhausting threaded hole is formed in the top of the air compressing plate, the air exhausting threaded hole is in threaded connection with a sealing bolt, and the bottom of the spray box is communicated with a water pumping pipe.
Preferably, the lower pressure cylinder is fixedly connected with a mounting frame, and the mounting frame is fixedly connected to the side wall of the spray box.
The utility model has the following beneficial effects:
1. the heat dissipation unit with long path is used for dissipating heat of high-temperature smoke gas under the effect of the heat dissipation units with two sides connected in series. Specifically through the design between the radiating element through U type pipe intercommunication, the radiating element is including rolling over shape cooling tube, and the shape is: the zigzag radiating pipe comprises a plurality of vertically spaced straight pipe parts, the adjacent straight pipe parts are communicated through the bent parts, the bent parts are integrally formed on the straight pipe parts, two radiating units with long paths are connected in series in this way, and the cooling efficiency of high-temperature smoke gas is improved.
2. By the pressurized spraying mechanism, accelerated cooling in a spraying mode is realized, and the defects of overhigh smoke gas temperature, higher external environment temperature and low heat exchange speed are overcome. Specifically through the air compressing plate that slides in spray box inside, the top assembly of air compressing plate is connected with two and controls the lower air cylinder that the interval set up and aim at the spray tube of heat dissipation unit, realizes pushing down the air compressing plate in-process, carries out quick spray cooling.
3. The device disclosed by the utility model effectively solves the technical defects that the heat exchange speed is low under the conditions that high-temperature smoke gas cannot be rapidly cooled and the external environment temperature is high in the welding operation process.
4. The device disclosed by the utility model can realize spray cooling, natural and air heat conduction cooling and air cooling are selectively carried out, and when rapid cooling is required, the spray rate is improved in an extrusion mode, so that rapid cooling is realized.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a dispersion structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a spring slider according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a heat dissipating unit according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a spray heat dissipation mechanism according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a heat dissipation fan according to an embodiment of the present utility model;
fig. 6 is a schematic view of a dispersion structure of an air pressure plate and a sealing bolt according to an embodiment of the utility model.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1
As shown in fig. 1-6, the high-temperature smoke gas heat dissipating device for welding automobile parts comprises a rectangular base 1, wherein a plurality of assembly plates 2 are detachably connected to the top of the base 1, the assembly plates 2 are L-shaped, and the specific mode is as follows: the top fixedly connected with of base 1 is two L type bedplate 11 that level set up (L type bedplate 11 adopts bolt 111 to fasten on base 1), and the front and back both sides at every L type bedplate 11 top are fixedly connected with respectively and go up assembly plate 2 (adopts bolt fastening on L type bedplate).
A heat radiation mechanism is assembled and connected between the assembly plates 2; the heat dissipation mechanism includes a plurality of heat dissipation units 21. The heat dissipation of the pumped high-temperature smoke gas is realized through the heat dissipation unit 21, so that the discharge rate of the smoke gas is conveniently improved.
The specific method is as follows: a heat dissipation unit 21 is assembled and connected between the upper assembly plates 2 at the left and right sides, and the heat dissipation unit 21 is locked with the upper assembly plates 2 through a plurality of fasteners.
Specifically, the heat dissipation unit 21 has a structure of:
the heat dissipation units 21 at the front and rear parts are communicated through U-shaped pipes (the U-shaped pipes are communicated between the lower ends of the folded heat dissipation pipes), and the heat dissipation units 21 comprise the folded heat dissipation pipes in the following shapes: the zigzag radiating pipe comprises a plurality of vertically-spaced straight pipe parts, wherein adjacent straight pipe parts are communicated through bent parts, and the bent parts are integrally formed on the straight pipe parts (the zigzag radiating pipe forms an S trend, so that the zigzag radiating pipe has a longer ventilation path).
The front side part is communicated with an air inlet pipe 23, and the rear side part is communicated with an air outlet pipe 22. In the welding process (welding is performed in a welding cabinet, generated high-temperature flue gas is discharged into the air inlet pipe 23 through the exhaust fan and then pumped into the heat radiating unit 21 (according to the conventional mode, the air inlet pipe 23 is communicated to an air outlet of exhaust equipment in the conventional mode, and the air outlet pipe 22 is connected to tail gas treatment for harmless treatment).
Under the action of the heat dissipation units 21 with two sides connected in series, the heat dissipation of the high-temperature smoke gas by the heat dissipation units 21 with long paths is realized. Specifically, in order to improve the heat dissipation effect, a plurality of heat dissipation fins are fixed on the folded heat dissipation tube according to the conventional mode, and the heat dissipation effect is improved by using the heat dissipation fins.
The heat dissipation unit 21 is fixed to the mounting board 2 as follows:
the fastener includes threaded connection's fastening screw on last assembly plate 2, fixedly connected with is contradicted spiral shell head 22 on the fastening screw, integrated into one piece has annular conflict flange 221 on the conflict spiral shell head 22, heat dissipation unit 21 is contradicted between conflict flange and last assembly plate 2. The fastening screw is screwed until the annular abutting flange 221 on the abutting screw head 22 abuts against the folded radiating pipe, and the folded radiating pipe is fastened in this way.
In the working process, the generated high-temperature smoke gas passes through the serially connected folded radiating pipes in a long path, and in the passing process, the smoke gas is effectively radiated.
Example 2
As shown in fig. 1-6, in this embodiment, in order to achieve efficient heat dissipation by spraying, a spray heat dissipation mechanism corresponding to the heat dissipation mechanism is connected between the top assemblies of the assembly plate 2, where the spray heat dissipation mechanism includes a spray box 3, the spray box 3 is a rectangular box, and a plurality of spray pipes 6 corresponding to the heat dissipation units 21 are communicated with each other at the bottom (according to the existing manner, the spray pipes 6 are provided with valves). Namely, a plurality of spray holes are formed in the bottom of the spray pipe 6, and cooling water is sprayed and cooled towards the folded radiating pipe in the spraying process. Meanwhile, according to the conventional mode, a pump water pipe is communicated with the bottom of the spray box 3, a valve is arranged on the pump water pipe, an external water supply pipe is communicated into the pump water pipe, and cooling water is pumped into the spray box 3.
The pressurized spraying mechanism is assembled and connected in the spraying box 3, and the cooling water in the spraying box 3 is sprayed out at high speed through the pressurized spraying mechanism, so that heat is carried quickly.
Specifically, the pressurizing spraying mechanism comprises an air compressing plate 51 which is slidably connected inside the spraying box 3, two lower air compressing cylinders 5 which are arranged at left and right intervals are assembled and connected to the top of the air compressing plate 51 (piston rods of the lower air compressing cylinders 5 are fixed on the air compressing plate 51), and in the working process, the lower air compressing cylinders 5 drive the air compressing plate 51 to compress water in the spraying box 3, so that the water in the spraying box 3 is pressurized downwards, and is sprayed at a high speed.
In order to realize stable pressing down of the air compressing plate 51, sliding convex seats are integrally formed at two ends of the air compressing plate 51, corresponding sliding grooves matched with the sliding convex seats are respectively formed in the left side wall and the right side wall in the spray box 3, the sliding convex seats are slidably connected in the sliding grooves, and the spring sliding piece is fixedly connected in the sliding grooves.
Meanwhile, in order to reset the air compressing plate 51 after being pressed down, each sliding convex seat is assembled and connected with the spray box 3 through 2 spring sliding parts which are arranged at intervals front and back.
Specifically, the spring slider includes a sliding rod 4 fixedly connected in the chute, and the sliding rod 4 penetrates the air compressing plate 51 and is slidably connected with the air compressing plate 51. Meanwhile, a spring 41 is sleeved on the sliding rod 4, the top of the spring 41 is fixedly connected to the bottom of the sliding convex seat, and the bottom of the spring 41 is fixedly connected to the top in the spray box 3.
Meanwhile, according to the existing mode, a cylinder barrel of the lower pressure cylinder 5 is fixedly connected with a mounting frame 31, the mounting frame 31 is fixedly connected to the side wall of the spray box 3, specifically, the lower end of the mounting frame 31 is fixedly connected with a mounting plate 311, and the mounting plate 311 is fastened to the side wall of the spray box 3 through a fastening screw. In this way, the lower pressure cylinder 5 is fixedly assembled.
During operation, the spring 41 is compressed under the slow depression of the depression cylinder 5 and spray-cooled in the manner described above.
In the real-time working process, in order to reduce the pressing down process, water is sprayed out from between the inner side wall of the spray box 3 and the air compressing plate 51, and the outer side wall of the air compressing plate 51 is abutted against the inner side wall of the spray box 3. In the actual working process, in order to avoid serious water overflow in the pressing process, the water pumping quantity is two thirds of the volume of the spray tank 3.
After spraying, when the water in the spray tank 3 is sprayed, water is supplemented through the water pumping pipe (at this time, the air compressing plate 51 is reset).
In the conventional manner, an air discharge threaded hole is formed in the top of the air compressing plate 51, and the air discharge threaded hole is in threaded connection with a sealing bolt 8. During pumping, the sealing bolt 8 is opened, and then, when being pressed down, the upper sealing bolt 8 is fastened.
Example 3
As shown in fig. 1-6, in this embodiment, based on the structure of embodiment 2, in order to realize cooling in an air-cooling manner according to the condition of the outside air temperature, such as the bottom of the outside air temperature, specifically, a mounting bridge plate is fixedly connected to the central portion of the base 1, a plurality of cooling fans 7 are fixedly assembled on the mounting bridge plate according to the existing manner, the cooling fans 7 are located between the cooling units 21 on the front side and the rear side, the cooling fans are driven to pump cooling air flow upwards, and the air flow separately flows on the front side and the rear side and blows to the cooling units 21 for cooling under the bottom barrier of the spray box 3.
The heat dissipation fan is a small fan for conventional heat dissipation disclosed in the prior art, and the electrical connection mode between the small fan and the mode fixed on the mounting bridge plate are conventional modes disclosed in the prior art, for example, the electrical connection adopts parallel connection, and a motor on the fan is fixed on the mounting bridge plate in a bolt mode.
In the actual working process, a rectangular cover is covered on the mounting bridge plate according to the existing mode, so that water flow is prevented from falling onto the heat dissipation fan 7 when the spraying temperature is reduced. When the cooling fan 7 is selected to cool, the rectangular cover (the cooling fan 7 is covered in the cover cavity in the rectangular cover) is opened to work.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.
Claims (9)
1. The high-temperature smoke gas heat dissipation device for welding the automobile parts is characterized by comprising a base, wherein the top of the base is detachably connected with a plurality of assembly plates, and a heat dissipation mechanism is assembled and connected between the assembly plates;
the heat dissipation mechanism comprises a plurality of heat dissipation units;
the top of the assembly plate is assembled and connected with a spray heat dissipation mechanism corresponding to the heat dissipation mechanism, the spray heat dissipation mechanism comprises a spray box, and the bottom of the spray box is communicated with a plurality of spray pipes corresponding to the heat dissipation units;
the spray box is internally provided with a pressurized spray mechanism, the pressurized spray mechanism comprises an air compressing plate which is in sliding connection with the inside of the spray box, the top of the air compressing plate is connected with a plurality of lower air compressing cylinders in an assembling manner, two ends of the air compressing plate are integrally provided with sliding convex seats, and the sliding convex seats are connected with the spray box in an assembling manner through a plurality of spring sliding parts.
2. The high-temperature smoke gas heat dissipating device for welding automobile parts according to claim 1, wherein the top of the base is fixedly connected with two L-shaped seat plates, the front side and the rear side of the top of each L-shaped seat plate are respectively fixedly connected with an upper assembly plate, a heat dissipating unit is assembled and connected between the upper assembly plates on the left side and the right side, and the heat dissipating unit is locked with the upper assembly plates through a plurality of fasteners.
3. The welding high-temperature smoke gas heat dissipating device for an automobile part according to claim 2, wherein the fastening member comprises a fastening screw in threaded connection with the upper assembly plate, an abutting screw head is fixedly connected to the fastening screw, an annular abutting flange is integrally formed on the abutting screw head, and the heat dissipating unit abuts against between the abutting flange and the upper assembly plate.
4. The welding high-temperature smoke gas heat dissipating device for automobile parts according to claim 1, wherein the heat dissipating units are communicated through U-shaped pipes, the heat dissipating units comprise folded heat dissipating pipes, the folded heat dissipating pipes at the front side are communicated with air inlet pipes, and the folded heat dissipating pipes at the rear side are communicated with air outlet pipes.
5. The welding high-temperature smoke gas heat dissipating device for automobile parts according to claim 4, wherein the folded heat dissipating tube comprises a plurality of vertically spaced straight tube portions, adjacent straight tube portions are communicated through bent portions, and the bent portions are integrally formed on the straight tube portions.
6. The welding high-temperature smoke gas heat dissipation device for automobile parts according to claim 1, wherein sliding grooves matched with the sliding convex seats are respectively formed in the left side wall and the right side wall in the spraying box, the sliding convex seats are connected in the sliding grooves in a sliding mode, and the spring sliding parts are fixedly connected in the sliding grooves.
7. The welding high-temperature smoke gas heat dissipating device for an automobile part according to claim 6, wherein the spring sliding part comprises a sliding rod fixedly connected in the sliding groove, a spring is sleeved on the sliding rod, the top of the spring is fixedly connected to the bottom of the sliding boss, and the bottom of the spring is fixedly connected to the top in the spray box.
8. The high-temperature smoke gas heat dissipation device for welding automobile parts according to claim 1, wherein the outer side wall of the air compressing plate is abutted against the inner side wall of the spray box, an air exhausting threaded hole is formed in the top of the air compressing plate, the air exhausting threaded hole is in threaded connection with a sealing bolt, and the bottom of the spray box is communicated with a water pumping pipe.
9. The automotive part welding high-temperature smoke gas heat dissipating device according to claim 1, wherein the down-pressure cylinder is fixedly connected with a mounting frame fixedly connected to a side wall of the spray box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320644394.9U CN219818481U (en) | 2023-03-28 | 2023-03-28 | High-temperature smoke gas heat dissipation device for automobile part welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320644394.9U CN219818481U (en) | 2023-03-28 | 2023-03-28 | High-temperature smoke gas heat dissipation device for automobile part welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818481U true CN219818481U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320644394.9U Active CN219818481U (en) | 2023-03-28 | 2023-03-28 | High-temperature smoke gas heat dissipation device for automobile part welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818481U (en) |
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2023
- 2023-03-28 CN CN202320644394.9U patent/CN219818481U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High temperature smoke gas heat dissipation device for welding of automotive parts Granted publication date: 20231013 Pledgee: Suixi County sub branch of Agricultural Bank of China Ltd. Pledgor: ANHUI SAIYU AUTO PARTS Co.,Ltd. Registration number: Y2024980020324 |