CN218193083U - Structure-improved electric welding machine heat-radiating mechanism - Google Patents
Structure-improved electric welding machine heat-radiating mechanism Download PDFInfo
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- CN218193083U CN218193083U CN202222327302.2U CN202222327302U CN218193083U CN 218193083 U CN218193083 U CN 218193083U CN 202222327302 U CN202222327302 U CN 202222327302U CN 218193083 U CN218193083 U CN 218193083U
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- 238000003466 welding Methods 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000006872 improvement Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an electric welding heat dissipation mechanism of improvement structure belongs to the welding technology field. It has solved the current not good problem of electric welding heat dissipation. The improved structure of the heat dissipation mechanism of the electric welding machine comprises a shell, a circuit board horizontally arranged in the shell and two heat dissipation fins vertically fixed on the circuit board, wherein air inlets are formed in two sides of the shell, air supply fans are arranged in the two air inlets respectively, the two air supply fans are arranged opposite to the two heat dissipation fins respectively, an air guide cylinder is also vertically arranged in the shell and is positioned above the heat dissipation fins; the upper end of the air guide cylinder is fixedly connected with the shell in a sealing way, the top of the shell is provided with a plurality of air exhaust holes communicated with the air guide cylinder in a penetrating way; the upper end and the lower end of the air guide cylinder are respectively a cone part I and a cone part II, the diameter of the cone part I is gradually reduced from top to bottom, the diameter of the cone part II is gradually increased from top to bottom, and an exhaust fan exhausting air upwards is fixed in the cone part I. This electric welding heat dissipation mechanism of improvement structure radiating effect is good.
Description
Technical Field
The utility model belongs to the technical field of the welding, a electric welding, especially an electric welding heat dissipation mechanism of improvement structure is related to.
Background
The electric welder is to utilize the high temperature electric arc produced by the instantaneous short circuit of the positive and negative poles to melt the welding flux and the welded material on the welding electrode and to combine the contacted material. The structure is very simple, and the transformer is a high-power transformer.
The device on the circuit board in the existing electric welding machine generally realizes heat dissipation through a heat dissipation sheet arranged on the circuit board, for example, an electric welding machine heat dissipation mechanism (application number: 202023018432.5) disclosed by Chinese patent library comprises a casing, the circuit board horizontally arranged in the casing and two heat dissipation sheets vertically fixed on the circuit board, wherein the left side and the right side of the casing are respectively provided with an air inlet and an air inlet, the two heat dissipation sheets are parallel to each other from left to right, the air inlet is provided with a first air supply fan facing the heat dissipation sheets, the support is composed of a horizontally arranged support block and a vertically arranged connecting block, the lower end of the connecting block is fixedly connected with the casing, the support block and the connecting block are respectively fixed with a first air suction fan for sucking air upwards and a second air supply fan for supplying air to the heat dissipation sheets, the first air supply fan and the second air supply fan are opposite, the two heat dissipation sheets are arranged between the first air supply fan and the second air supply fan, the air suction fan is arranged above the heat dissipation sheets, a pipe is also arranged in the casing, one end of the pipe is connected with an outlet of the suction fan, and the other end of the pipe extends out of the casing.
The heat dissipation mechanism is beneficial to the matching of the two air supply fans and the one exhaust fan so as to accelerate the air exchange speed in the casing and realize better heat dissipation effect and efficiency. However, in the heat dissipation mechanism, the exhaust fan exhausts depending on the L-shaped pipe fitting, the shape not only hinders the gas flow, but also is limited by the overall size of the electric welding machine, and the pipe diameter of the pipe fitting cannot be large, so that the exhaust speed is influenced, and the heat dissipation effect and the efficiency still have certain short plates.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided an electric welding heat dissipation mechanism of improvement structure, the technical problem of solution is how to improve the radiating efficiency.
The purpose of the utility model can be realized by the following technical proposal: the structure-improved heat dissipation mechanism of the electric welding machine comprises a shell, a circuit board horizontally arranged in the shell and two heat dissipation fins vertically fixed on the circuit board, wherein air inlets are formed in two sides of the shell, air supply fans are arranged in the two air inlets respectively, and the two air supply fans are respectively opposite to the two heat dissipation fins; the upper end of the air guide cylinder is fixedly connected with the shell in a sealing way, the top of the shell is provided with a plurality of air exhaust holes communicated with the air guide cylinder in a penetrating way; the upper end and the lower end of the air guide cylinder are respectively a cone part I and a cone part II, the diameter of the cone part I is gradually reduced from top to bottom, the diameter of the cone part II is gradually increased from top to bottom, and an exhaust fan exhausting air upwards is fixed in the cone part I.
The setting diameter is by the pyramis one that the top down diminishes gradually and the diameter is by the pyramis two that the top down gradually becomes big gradually, plays induced air and air exhaust effect respectively, makes gas through the quick gathering of fin in the gas guide cylinder and make the gas in the gas guide cylinder toward the outside discharge fast through the exhaust hole, effectively accelerates the speed of taking a breath and the efficiency in the casing to improve the radiating efficiency and the effect of electric welding, thereby extension electric welding life-span.
In the heat dissipation mechanism of the electric welding machine with the improved structure, the annular flange is integrally formed on the outer wall of the cone part, the annular flange is tightly pressed on the inner wall of the shell to form sealing, and the annular flange is fixedly connected with the shell. By adopting the design, the device has the advantages of simple structure and convenience in installation.
In the electric welding machine heat dissipation mechanism with the improved structure, the annular flanging is detachably and fixedly connected with the shell through a circle of screw, so that the whole body formed by the suction fan and the air guide cylinder is convenient to replace independently, and the maintenance cost is reduced.
In the improved structure of the heat dissipation mechanism of the electric welding machine, the inner wall of the middle part of the air guide cylinder is integrally formed with the annular connecting seat, the suction fan comprises a shell, and the shell is pressed on the connecting seat and is fixedly connected with the connecting seat so as to facilitate the installation of the suction fan.
In the electric welding machine heat dissipation mechanism with the improved structure, the baffle is horizontally fixed above the casing, an exhaust gap is formed between the baffle and the top wall of the casing, and all the exhaust holes are arranged right opposite to the exhaust gap. The baffle forms again in exhaust hole top and shelters from under the exhaust prerequisite of not influencing the exhaust hole, effectively avoids impurity such as dust to get into the casing through the exhaust hole to further improve electric welding radiating rate and efficiency.
In the above improved structure of the heat dissipation mechanism of the electric welding machine, the top wall of the casing extends upwards to form a bump, and all the exhaust holes are arranged on the bump. The shaping lug on the casing roof makes the casing roof be height and sets up the structure, effectively blocks impurity such as dust and gets into the casing through exhaust hole all around, makes the purpose stable realization that improves electric welding radiating efficiency and effect.
In the above improved structure of the heat dissipating mechanism of the electric welding machine, the baffle plate includes a disc-shaped main body, the main body is bent downward to form a tapered guide portion, and the diameter of the guide portion gradually increases from top to bottom. The guide part which is conical plays a role in guiding, guiding impurities such as dust and the like to disperse all around and gradually keep away from the exhaust hole, and playing a better dustproof effect.
In the electric welding machine heat dissipation mechanism with the improved structure, the connecting rod is coaxially formed at the bottom of the main body, the insertion hole matched with the connecting rod is formed in the convex block, and the lower end of the connecting rod is inserted and embedded in the insertion hole, so that the baffle is convenient to mount.
In foretell electric welding heat dissipation mechanism of improvement structure, the casing top is fixed with the handle, and the handle has two and distributes along the direction of arranging of two air supply fans, and the baffle is in between two handles to the steam that comes out from the exhaust hole when avoiding portable electric welding hinders the staff, and the security is high.
In the electric welding machine heat dissipation mechanism with the improved structure, the conical guide surface is arranged on the outer wall of the connecting rod and extends to the bottom wall of the connecting rod, so that the connecting rod can be more smoothly inserted into the jack, and the assembly is facilitated.
In the electric welding machine heat dissipation mechanism with the improved structure, the exhaust holes are straight holes and are vertically arranged.
Compared with the prior art, the electric welding machine heat dissipation mechanism with the improved structure has the following advantages:
1. the setting diameter is by the pyramis one that the top down diminishes gradually and the diameter is by the pyramis two that the top down gradually becomes big gradually, plays induced air and air exhaust effect respectively, makes gas through the quick gathering of fin in the gas guide cylinder and make the gas in the gas guide cylinder toward the outside discharge fast through the exhaust hole, effectively accelerates the speed of taking a breath and the efficiency in the casing to improve the radiating efficiency and the effect of electric welding, thereby extension electric welding life-span.
2. The baffle forms again in exhaust hole top and shelters from under the exhaust prerequisite of not influencing the exhaust hole, effectively avoids impurity such as dust to get into the casing through the exhaust hole to further improve electric welding radiating rate and efficiency.
3. The shaping lug on the casing roof makes the casing roof be height and sets up the structure, effectively blocks impurity such as dust and gets into the casing through exhaust hole all around, makes the purpose stable realization that improves electric welding radiating efficiency and effect.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation mechanism of an electric welding machine with an improved structure.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
In the figure, 1, a housing; 1a, an exhaust hole; 1b, a bump; 2. a circuit board; 3. a heat sink; 4. an air supply fan; 5. an air guide cylinder; 5a, a first conical part; 5b, a second cone part; 5c, annular flanging; 5d, a connecting seat; 6. an exhaust fan; 7. a baffle plate; 7a, a main body; 7b, a guide part; 7c, a connecting rod; 8. an exhaust gap; 9. a handle.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the improved structure of the heat dissipation mechanism of the electric welding machine includes a casing 1, a circuit board 2 horizontally disposed in the casing 1, and a heat sink 3 vertically fixed on the circuit board 2.
Wherein,
the two heat sinks 3 are arranged side by side along the length direction of the circuit board 2.
The air inlet has all been seted up along 2 length direction's of circuit board both sides to casing 1, all installs supply fan 4 in two air inlets to inside with the outer air conditioning suction casing 1 of casing 1, at this moment, two supply fan 4 are just to two fin 3 settings respectively.
As shown in fig. 1 and 2, an air guide cylinder 5 is also vertically arranged in the casing 1, and the air guide cylinder 5 is located above the heat sink 3. Preferably, the center axis of the gas cylinder 5 is located between the two fins 3. The upper end of the air guide cylinder 5 is fixedly connected with the casing 1 in a sealing way, the top of the casing 1 is provided with a plurality of air exhaust holes 1a communicated with the air guide cylinder 5 in a penetrating way, and the air exhaust holes 1a are arranged. Preferably, the exhaust holes 1a are vertically arranged, and each exhaust hole 1a is opposite to the inner cavity of the gas cylinder 5.
As shown in fig. 2, the upper end and the lower end of the air guide cylinder 5 are respectively a first tapered part 5a and a second tapered part 5b, the diameter of the first tapered part 5a gradually decreases from top to bottom, the diameter of the second tapered part 5b gradually increases from top to bottom, and a suction fan 6 for sucking air upwards is fixed in the first tapered part 5 a. The cone part I5 a with the diameter gradually reduced from top to bottom and the cone part II 5b with the diameter gradually increased from bottom to top are arranged to respectively play roles of air inducing and air exhausting, so that air is rapidly gathered in the air guide cylinder 5 through the radiating fins 3, and the air in the air guide cylinder 5 is rapidly exhausted outwards through the exhaust hole 1a, the air exchange speed and efficiency in the shell 1 are effectively accelerated, the heat dissipation efficiency and the effect of the electric welding machine are improved, and the service life of the electric welding machine is prolonged.
In the present embodiment, it is preferred that,
the gas cylinder 5 is mounted as follows: an annular flange 5c is integrally formed on the outer wall of the first conical part 5a, and the annular flange 5c is coaxial with the gas cylinder 5. The annular flanging 5c is tightly pressed on the inner wall of the machine shell 1 to form sealing, and the annular flanging 5c is fixedly connected with the machine shell 1. The preferred annular flanging 5c is detachably and fixedly connected with the casing 1 through a circle of screws, so that the whole body formed by the pumping fan 6 and the air guide cylinder 5 can be conveniently and independently replaced, and the maintenance cost is reduced. Naturally, it is also possible to adopt a mode of welding and fixedly connecting the annular flange 5c and the casing 1.
The suction fan 6 is installed as follows: an annular connecting seat 5d is integrally formed on the inner wall of the middle part of the air guide tube 5, and the connecting seat 5d is coaxial with the air guide tube 5. The exhaust fan 6 comprises a shell, the shell is pressed on the connecting seat 5d, and the shell and the connecting seat are fixedly connected with each other, so that the exhaust fan 6 is convenient to mount. All run through around preferred shell and be equipped with the bolt hole, all be equipped with the bolt in every bolt hole, bolt shank screw in connecting seat 5d, and the bolt head sticiss on the shell.
As shown in fig. 1 and 2, a baffle 7 is horizontally fixed above the casing 1, an exhaust gap 8 is formed between the baffle 7 and the top wall of the casing 1, and all the exhaust holes 1a are arranged opposite to the exhaust gap 8. Baffle 7 is not influencing under the exhaust prerequisite of exhaust hole 1a, forms again in exhaust hole 1a top and shelters from, effectively avoids impurity such as dust to get into casing 1 through exhaust hole 1a to further improve electric welding radiating rate and efficiency.
For a further explanation,
the top wall of the casing 1 extends upwards to form a projection 1b, and all the exhaust holes 1a are arranged on the projection 1 b. Shaping lug 1b on 1 roof of casing makes 1 roof of casing be the height and sets up the structure, effectively blocks impurity such as dust and gets into casing 1 through exhaust hole 1a all around, makes the purpose stable realization that improves electric welding radiating efficiency and effect. The baffle 7 comprises a main body 7a in a disc shape, the main body 7a is bent downwards to form a conical guide part 7b, and the diameter of the guide part 7b is gradually increased from top to bottom. The conical guide part 7b plays a role in guiding impurities such as dust and the like to disperse all around and gradually keep away from the exhaust hole 1a, and a better dustproof effect is achieved.
In the present embodiment, the shutter 7 is mounted as follows: connecting rod 7c is coaxially formed at the bottom of main body 7a, and the lug 1b is provided with a jack matched with connecting rod 7c, and the lower end of connecting rod 7c is inserted into the jack, so that baffle 7 is convenient to install. Preferably, the outer wall of the connecting rod 7c is provided with a conical guide surface, and the guide surface extends to the bottom wall of the connecting rod 7c, so that the connecting rod 7c can be inserted into the insertion hole more smoothly, and the assembly is facilitated.
In the actual product, casing 1 top is fixed with handle 9, and handle 9 has two and distributes along the direction of arranging of two air supply fans 4, and baffle 7 is located between two handles 9 to the steam that comes out from exhaust hole 1a when avoiding carrying the electric welding hurts the staff, and the security is high.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The structure-improved heat dissipation mechanism of the electric welding machine comprises a machine shell (1), a circuit board (2) horizontally arranged in the machine shell (1) and two heat dissipation fins (3) vertically fixed on the circuit board (2), wherein air inlets are formed in two sides of the machine shell (1), air supply fans (4) are arranged in the two air inlets respectively, and the two air supply fans (4) are respectively arranged right opposite to the two heat dissipation fins (3), and the structure-improved heat dissipation mechanism of the electric welding machine is characterized in that an air guide cylinder (5) is also vertically arranged in the machine shell (1) and is positioned above the heat dissipation fins (3); the upper end of the air guide cylinder (5) is fixedly connected with the casing (1) in a sealing way, the top of the casing (1) is provided with a plurality of exhaust holes (1 a) communicated with the air guide cylinder (5) in a penetrating way; the upper end and the lower end of the air guide cylinder (5) are respectively a cone part I (5 a) and a cone part II (5 b), the diameter of the cone part I (5 a) is gradually reduced from top to bottom, the diameter of the cone part II (5 b) is gradually increased from top to bottom, and a suction fan (6) for sucking air upwards is fixed in the cone part I (5 a).
2. The improved structure of the heat dissipating mechanism for electric welding machine as claimed in claim 1, wherein the outer wall of the first tapered portion (5 a) is integrally formed with an annular flange (5 c), and the annular flange (5 c) is pressed against the inner wall of the casing (1) to form a seal.
3. The improved structure of the heat dissipation mechanism for electric welding machine as claimed in claim 2, wherein the annular flange (5 c) is detachably secured to the housing (1) by a screw.
4. The improved heat dissipating mechanism of an electric welding machine as claimed in claim 1, 2 or 3, wherein the air guiding cylinder (5) has a connecting seat (5 d) integrally formed on the inner wall of the middle portion thereof, and the suction fan (6) includes a casing pressed against the connecting seat (5 d) and fixedly connected thereto.
5. The improved structure of the heat dissipating mechanism of the electric welding machine as claimed in claim 1, wherein a baffle (7) is further horizontally fixed above the casing (1), an exhaust gap (8) is formed between the baffle (7) and the top wall of the casing (1), and all the exhaust holes (1 a) are disposed opposite to the exhaust gap (8).
6. The improved structure of the heat dissipating mechanism of electric welding machine as claimed in claim 5, wherein the top wall of the housing (1) extends upward to form a protrusion (1 b), and all the exhaust holes (1 a) are disposed on the protrusion (1 b).
7. The improved structure of the heat dissipating mechanism for electric welding machine as claimed in claim 6, wherein the baffle (7) comprises a main body (7 a) in the shape of a circular plate, the main body (7 a) is bent downward to form a guide portion (7 b) in the shape of a cone, and the diameter of the guide portion (7 b) is gradually increased from top to bottom.
8. The improved structure of heat dissipating mechanism for electric welding machine as claimed in claim 7, wherein the bottom of the main body (7 a) is formed with a connecting rod (7 c) coaxially, the protrusion (1 b) is provided with a hole matching with the connecting rod (7 c), and the lower end of the connecting rod (7 c) is inserted into the hole.
9. The improved structure of the heat dissipation mechanism for electric welding machine as claimed in claim 5, wherein the top of the casing (1) is fixed with two handles (9), the two handles (9) are distributed along the arrangement direction of the two fans (4), and the baffle (7) is located between the two handles (9).
10. The improved structure of the heat dissipation mechanism for electric welding machine as claimed in claim 1, wherein the exhaust holes (1 a) are straight holes and are arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327302.2U CN218193083U (en) | 2022-08-30 | 2022-08-30 | Structure-improved electric welding machine heat-radiating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222327302.2U CN218193083U (en) | 2022-08-30 | 2022-08-30 | Structure-improved electric welding machine heat-radiating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN218193083U true CN218193083U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222327302.2U Active CN218193083U (en) | 2022-08-30 | 2022-08-30 | Structure-improved electric welding machine heat-radiating mechanism |
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| Country | Link |
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| CN (1) | CN218193083U (en) |
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2022
- 2022-08-30 CN CN202222327302.2U patent/CN218193083U/en active Active
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