CN107498160B - Heat dissipation mechanism of electric welding machine - Google Patents
Heat dissipation mechanism of electric welding machine Download PDFInfo
- Publication number
- CN107498160B CN107498160B CN201710968942.2A CN201710968942A CN107498160B CN 107498160 B CN107498160 B CN 107498160B CN 201710968942 A CN201710968942 A CN 201710968942A CN 107498160 B CN107498160 B CN 107498160B
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- air inlet
- heat dissipation
- air
- shell
- inlet pipe
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
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- 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
Abstract
The invention provides a heat dissipation mechanism of an electric welding machine, and belongs to the technical field of machinery. The electric welding machine comprises a shell and a circuit board horizontally and fixedly arranged in the shell, wherein the heat dissipation mechanism comprises a heat dissipation fan arranged on one side of the circuit board and a heat dissipation aluminum plate which is abutted against the bottom surface of the circuit board, an air outlet of the heat dissipation fan is opposite to the circuit board, two heat dissipation holes which are arranged in parallel are formed in the heat dissipation aluminum plate, one heat dissipation hole is arranged between the heat dissipation fan and the other heat dissipation hole, a U-shaped air supply pipe is arranged outside the shell, the air supply pipe is fixedly connected with the shell, two ends of the air supply pipe extend into the shell and are respectively inserted into the other ends of the two heat dissipation holes, an air inlet pipe is arranged in the air supply pipe, one end of the air inlet pipe is positioned outside the shell, the inner cavity of the middle of the air supply pipe is communicated with the air inlet pipe, and the other end of the air inlet pipe is fixedly connected with the shell, and an air exhaust fan capable of sucking external air into the air inlet pipe is fixedly arranged in the air inlet pipe. The invention has the advantage of improving the heat dissipation effect.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to an electric welding machine, in particular to a heat dissipation mechanism of the electric welding machine.
Background
The electric welder uses high-temperature arc generated by the instant short circuit of the positive and negative poles to melt the solder and the welded material on the welding rod, so as to combine the contacted materials. The structure is very simple, namely a high-power transformer.
The electric welding machine can be generally divided into two types according to the types of output power sources, namely an alternating current power source and a direct current power source. The principle of inductance is utilized, the inductance can generate huge voltage change when being switched on and off, and the welding flux on the welding electrode is melted by utilizing high-voltage arc generated by the instant short circuit of the positive electrode and the negative electrode, so that the purpose of atomic combination is achieved.
The existing electric welding machine generally dissipates heat through a fan arranged in the machine body. But only dissipate heat through this kind of heat dissipation mode, the radiating effect is not very ideal, leads to the steam to gather in the organism, influences the job stabilization nature of electric welding.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a heat dissipation mechanism of an electric welding machine, which aims to solve the technical problem of enhancing the heat dissipation effect.
The aim of the invention can be achieved by the following technical scheme: the heat radiation mechanism of the electric welding machine comprises a shell and a circuit board horizontally and fixedly arranged in the shell, wherein the heat radiation mechanism comprises a heat radiation fan arranged on one side of the circuit board and a heat radiation aluminum plate which is attached to the bottom surface of the circuit board, and an air outlet of the heat radiation fan is opposite to the circuit board; the U-shaped air supply pipe is arranged outside the machine shell, the air supply pipe is fixedly connected with the machine shell, two ends of the air supply pipe extend into the machine shell and are respectively inserted into the other ends of the two radiating holes, an air inlet pipe is arranged in the air supply pipe and is positioned outside the machine shell, one end of the air inlet pipe is communicated with the inner cavity in the middle of the air supply pipe, the other end of the air inlet pipe is fixedly connected with the machine shell, and an air exhaust fan capable of sucking outside air into the air inlet pipe is fixed in the air inlet pipe.
When the circuit board is used, the heat radiation fan and the air extraction fan work simultaneously, wherein the heat radiation fan blows and radiates heat to the circuit board and components on the circuit board; the air exhaust fan sucks external cold air into the air inlet pipe, then the external cold air enters the heat dissipation holes through the conveying of the air supply pipe, and the cold air carries heat on the heat dissipation aluminum plate and finally is discharged through the heat discharging opening. When moving, the electric welding machine can be conveniently moved to the appointed position by holding the air supply pipe.
Under the combined action of the heat radiation fan and the air extraction fan, the parts in the machine shell are actively radiated, so that the heat radiation speed of the parts is effectively improved, and the working stability of the electric welding machine is improved.
The air supply pipe has the functions of gas conveying and holding so as to facilitate the movement of the electric welding machine, namely, in the mechanism, the air supply pipe has the function of one object and two purposes, so that the structure is effectively simplified, the compactness is improved, and the installation convenience of the heat dissipation mechanism is improved; meanwhile, the air inlet pipe is arranged in the air supply pipe, so that the distance between the air inlet pipe and the air supply pipe can be reduced, and the structural compactness of the mechanism is further improved.
In the heat dissipation mechanism of the electric welding machine, the springs and the pressing rings are sleeved outside the two ends of the air supply pipe, the two springs and the two pressing rings are located in the machine shell, the two pressing rings are fixedly connected with the air supply pipe, and the two ends of the springs are respectively abutted against the machine shell and the corresponding pressing rings.
Through setting up the spring, both can cushion the air extraction fan during operation and produce the vibration, improve the stationarity of air conditioning transmission, play better supporting role again to the air supply pipe, strengthen the stability that air supply pipe and casing are connected, make the purpose stable realization that improves electric welding portability.
In the heat dissipation mechanism of the electric welding machine, two ends of the air supply pipe are respectively provided with a section of external threads, the pressing ring is provided with internal threads, and the air supply pipe is fixedly connected with the pressing ring through the engagement of the internal threads and the external threads.
The compression amount of the spring can be adjusted by rotating the compression ring, so that the accuracy of controlling vibration is improved, and the vibration control device has the advantage of convenience in use.
In the heat dissipation mechanism of the electric welding machine, the end face of the air inlet pipe is abutted against the outer side wall of the machine shell, an arc-shaped air inlet notch is formed in the side wall of the end, abutted against the machine shell, of the air inlet pipe, and the air inlet notch is located between the air extraction fan and the machine shell.
When in use, the cool air enters the air inlet pipe through the air inlet notch under the action of the air extraction fan.
In the heat dissipation mechanism of the electric welding machine, the air inlet pipe is conical, the diameter of the air inlet pipe gradually decreases from the machine shell to the air exhaust fan, an annular connecting part is arranged on the end face of one end, far away from the machine shell, of the air inlet pipe, an air inlet hole opposite to the annular connecting part is formed in the side wall of the air inlet pipe in a penetrating mode, the annular connecting part is inserted into the air inlet hole, and sealing is formed between the side wall of the annular connecting part and the hole wall of the air inlet hole through a sealing ring.
The air inlet pipe is tapered with the diameter gradually reduced along the cold air input direction, and the sucked cold air is pressurized to improve the cold air flowing speed, so that the heat dissipation speed is improved, and the heat dissipation effect of the electric welding machine is improved.
In the heat dissipation mechanism of the electric welding machine, the outer side wall of the annular connecting part is provided with the annular groove, the sealing ring is positioned in the annular groove, and the outer side wall of the sealing ring abuts against the hole wall of the air inlet hole.
In the heat dissipation mechanism of the electric welding machine, the heat dissipation opening is strip-shaped, the length extending direction of the heat dissipation opening is consistent with the distribution direction of the two heat dissipation holes, the outer side wall of the machine shell is provided with the shielding part which is plate-shaped, the length extending directions of the shielding part and the heat dissipation opening are consistent, the shielding part is obliquely downwards arranged, the heat dissipation opening is opposite to the shielding part, and the length of the shielding part is larger than that of the heat dissipation opening.
By adopting the design, the probability that impurities such as external dust enter the shell through the heat discharging opening can be effectively reduced, so that the heat dissipation effect of the electric welding machine is further improved.
Compared with the prior art, the heat dissipation mechanism of the electric welding machine has the following advantages:
1. under the combined action of the heat radiation fan and the air extraction fan, the parts in the machine shell are actively radiated, so that the heat radiation speed of the parts is effectively improved, and the working stability of the electric welding machine is improved.
2. The air supply pipe has the functions of gas conveying and holding so as to facilitate the movement of the electric welding machine, namely, in the mechanism, the air supply pipe has the function of one object and two purposes, so that the structure is effectively simplified, the compactness is improved, and the installation convenience of the heat dissipation mechanism is improved; meanwhile, the air inlet pipe is arranged in the air supply pipe, so that the distance between the air inlet pipe and the air supply pipe can be reduced, and the structural compactness of the mechanism is further improved.
3. Through setting up the spring, both can cushion the air extraction fan during operation and produce the vibration, improve the stationarity of air conditioning transmission, play better supporting role again to the air supply pipe, strengthen the stability that air supply pipe and casing are connected, make the purpose stable realization that improves electric welding portability.
4. The air inlet pipe is tapered with the diameter gradually reduced along the cold air input direction, and the sucked cold air is pressurized to improve the cold air flowing speed, so that the heat dissipation speed is improved, and the heat dissipation effect of the electric welding machine is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic cross-sectional view of another aspect of the present invention.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 3.
In the figure, 1, a shell; 1a, an air inlet; 1b, a heat discharging opening; 1c, a shielding part; 2. a circuit board; 3. a heat radiation fan; 4. a heat-dissipating aluminum plate; 4a, radiating holes; 5. an air supply pipe; 6. an air inlet pipe; 6a, an air inlet notch; 6b, an annular connecting part; 7. an air extraction fan; 8. a spring; 9. a compression ring; 10. and (3) sealing rings.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, in a heat radiation mechanism of an electric welding machine, the electric welding machine includes a casing 1 and a circuit board 2 horizontally fixed in the casing 1. The heat radiation mechanism consists of a heat radiation fan 3, a heat radiation aluminum plate 4, an air supply pipe 5, an air inlet pipe 6, an air exhaust fan 7, a spring 8, a compression ring 9 and the like.
Wherein, heat dissipation aluminum plate 4 sets up in casing 1 along the horizontal direction, and heat dissipation aluminum plate 4 links firmly with casing 1 through the support. As shown in fig. 1, the top surface of the heat-dissipating aluminum plate 4 is abutted against the bottom surface of the circuit board 2, so that heat on the circuit board 2 can be quickly transferred to the heat-dissipating aluminum plate 4.
The heat radiation aluminum plate 4 is internally provided with a heat radiation hole 4a which is in a straight strip shape, the heat radiation hole 4a is arranged along the horizontal direction, and both ends of the heat radiation hole 4a are open. The number of the heat dissipation holes 4a is two and the positions are arranged in parallel. In the present embodiment, the casing 1 has a rectangular parallelepiped shape, the length extension directions of the heat dissipation holes 4a and the casing 1 are identical, and the two heat dissipation holes 4a are distributed along the width direction of the casing 1.
The heat dissipation fan 3 is located at one side of the circuit board 2, and the air outlet of the heat dissipation fan 3 is opposite to the circuit board 2, at this time, one of the heat dissipation holes 4a is located between the heat dissipation fan 3 and the other heat dissipation hole 4a, that is, in this embodiment, the heat dissipation fan 3 and the two heat dissipation holes 4a are distributed along the width direction of the casing 1. The shell of the heat radiation fan 3 is fixedly connected with the shell 1 through screws, and an air inlet 1a which is opposite to the air inlet of the heat radiation fan 3 is arranged on the side wall of the shell 1 in a penetrating way.
The side wall of the casing 1 is provided with a heat discharging opening 1b in a penetrating way, and one end of each of the two heat discharging holes 4a is opposite to the heat discharging opening 1 b. Further, the heat discharging openings 1b are stripe-shaped, and the longitudinal extending direction of the heat discharging openings 1b coincides with the distribution direction of the two heat discharging holes 4 a. The outer side wall of the casing 1 is provided with a plate-shaped shielding part 1c, and the shielding part 1c and the casing 1 are of an integral structure. The length extension directions of the shielding part 1c and the heat discharging opening 1b are consistent, and the shielding part 1c is obliquely arranged downwards. The heat discharging opening 1b is opposite to the shielding part 1c, and the length of the shielding part 1c is longer than that of the heat discharging opening 1b, so that impurities such as dust can be effectively reduced from entering the casing 1 through the heat discharging opening 1 b.
As shown in fig. 3 and 4, the air supply pipe 5 has a U shape and is located outside the cabinet 1. Both ends of the air supply pipe 5 extend into the casing 1 and are respectively inserted into the other ends of the two heat dissipation holes 4 a. In this embodiment, the air supply pipe 5 is preferably fixedly connected with the casing 1 by welding; the outer side wall of the air supply pipe 5 is abutted against the wall of the heat dissipation hole 4 a. Further, springs 8 and pressing rings 9 are sleeved outside the two ends of the air supply pipe 5, and the springs 8 and the pressing rings 9 are located in the casing 1. The two pressing rings 9 are fixedly connected with the air supply pipe 5, and two ends of the spring 8 are respectively propped against the shell 1 and the corresponding pressing rings 9. In this embodiment, the two ends of the air supply pipe 5 are provided with a section of external thread, the pressing ring 9 is provided with an internal thread, and the air supply pipe 5 and the pressing ring 9 are fixedly connected through the engagement of the internal thread and the external thread.
An air inlet pipe 6 is arranged in the air supply pipe 5, and the air inlet pipe 6 is arranged along the horizontal direction and is positioned outside the shell 1. One end of the air inlet pipe 6 is communicated with the middle inner cavity of the air supply pipe 5, and the other end of the air inlet pipe 6 is fixedly connected with the shell 1. An air suction fan 7 capable of sucking outside air into the air intake duct 6 is fixed to the air intake duct 6. Specifically, the end of the intake pipe 6 near the casing 1 is an annular step composed of an annular side wall and an annular step surface. The air extraction fan 7 is positioned in the annular step, and the air extraction fan 7 is fixedly connected with the annular step surface through a plurality of screws.
Further, the end face of the air inlet pipe 6 is abutted against the outer side wall of the casing 1, so that the distance between the middle part of the air supply pipe 5 and the casing 1 is reduced, and the structural compactness of the whole heat dissipation mechanism is improved. The side wall of the end of the air inlet pipe 6 propped against the casing 1 is provided with an arc-shaped air inlet notch 6a, the air inlet notch 6a and the air inlet pipe 6 are coaxially arranged, and the air inlet notch 6a is positioned between the air extraction fan 7 and the casing 1.
As shown in fig. 3 and 4, the air intake duct 6 is conical, and the diameter of the air intake duct 6 gradually decreases from the casing 1 toward the suction fan 7. The end face of the air inlet pipe 6 far away from one end of the casing 1 is provided with an annular connecting part 6b, and the annular connecting part 6b and the air inlet pipe 6 are coaxially arranged and are of an integrated structure. The sidewall of the air supply pipe 5 is provided with an air inlet hole which is opposite to the annular connecting part 6b in a penetrating way, the annular connecting part 6b is inserted into the air inlet hole, and the sidewall of the annular connecting part 6b and the wall of the air inlet hole are sealed by a sealing ring 10. In the present embodiment, an annular gap is provided between the side wall of the annular connecting portion 6b and the wall of the air inlet hole, and the seal ring 10 is located in the annular gap. An annular groove is formed in the outer side wall of the annular connecting portion 6b, and the notch of the annular groove is opposite to the annular gap. The inner side of the sealing ring 10 is positioned in the annular groove, and the outer side wall of the sealing ring 10 abuts against the hole wall of the air inlet hole.
When the circuit board is used, the heat dissipation fan 3 and the air extraction fan 7 work simultaneously, wherein the heat dissipation fan 3 blows and dissipates heat to the circuit board 2 and components on the circuit board; the air extraction fan 7 sucks external cool air into the air intake pipe 6, and then the cool air is conveyed into the heat radiation holes 4a through the air supply pipe 5, and the cool air carries heat on the heat radiation aluminum plate 4 and finally is discharged through the heat discharge opening 1 b. When moving, the electric welding machine can be conveniently moved to a designated position by holding the air supply pipe 5.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The heat radiation mechanism of the electric welding machine comprises a shell and a circuit board horizontally and fixedly arranged in the shell, wherein the heat radiation mechanism comprises a heat radiation fan arranged on one side of the circuit board and a heat radiation aluminum plate which is attached to the bottom surface of the circuit board, and an air outlet of the heat radiation fan is opposite to the circuit board; the U-shaped air supply pipe is arranged outside the shell, the air supply pipe is fixedly connected with the shell, two ends of the air supply pipe extend into the shell and are respectively inserted into the other ends of the two radiating holes, an air inlet pipe is arranged in the air supply pipe and is positioned outside the shell, one end of the air inlet pipe is communicated with the inner cavity in the middle of the air supply pipe, the other end of the air inlet pipe is fixedly connected with the shell, and an air exhaust fan capable of sucking outside air into the air inlet pipe is fixed in the air inlet pipe; the two ends of the air supply pipe are respectively sleeved with a spring and a compression ring, the two springs and the two compression rings are both positioned in the shell, the two compression rings are fixedly connected with the air supply pipe, and the two ends of the springs are respectively abutted against the shell and the corresponding compression rings; the two ends of the air supply pipe are provided with a section of external threads, the compression ring is provided with internal threads, and the air supply pipe is fixedly connected with the compression ring through the engagement of the internal threads and the external threads.
2. The heat dissipating mechanism of the welding machine according to claim 1, wherein the end face of the air inlet pipe is abutted against the outer side wall of the casing, an arc-shaped air inlet notch is formed in the side wall of the end, abutted against the casing, of the air inlet pipe, and the air inlet notch is located between the air extraction fan and the casing.
3. The heat dissipating mechanism of the welding machine according to claim 2, wherein the air inlet pipe is conical, the diameter of the air inlet pipe gradually decreases from the casing to the air exhaust fan, an annular connecting portion is arranged on the end face of one end of the air inlet pipe far away from the casing, an air inlet hole opposite to the annular connecting portion is formed in the side wall of the air inlet pipe in a penetrating manner, the annular connecting portion is inserted into the air inlet hole, and sealing is formed between the side wall of the annular connecting portion and the hole wall of the air inlet hole through a sealing ring.
4. The heat dissipation mechanism of an electric welding machine according to claim 3, wherein the outer side wall of the annular connecting portion is provided with an annular groove, the sealing ring is located in the annular groove, and the outer side wall of the sealing ring abuts against the hole wall of the air inlet hole.
5. The heat dissipation mechanism of an electric welding machine according to claim 1, wherein the heat dissipation opening is strip-shaped, the length extending direction of the heat dissipation opening is consistent with the distribution direction of the two heat dissipation holes, the outer side wall of the casing is provided with a plate-shaped shielding part, the length extending directions of the shielding part and the heat dissipation opening are consistent, the shielding part is obliquely downwards arranged, the heat dissipation opening is opposite to the shielding part, and the length of the shielding part is larger than that of the heat dissipation opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968942.2A CN107498160B (en) | 2017-10-18 | 2017-10-18 | Heat dissipation mechanism of electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968942.2A CN107498160B (en) | 2017-10-18 | 2017-10-18 | Heat dissipation mechanism of electric welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107498160A CN107498160A (en) | 2017-12-22 |
| CN107498160B true CN107498160B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968942.2A Active CN107498160B (en) | 2017-10-18 | 2017-10-18 | Heat dissipation mechanism of electric welding machine |
Country Status (1)
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| CN (1) | CN107498160B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6478082B1 (en) * | 2000-05-22 | 2002-11-12 | Jia Hao Li | Heat dissipating apparatus with nest wind duct |
| JP4087133B2 (en) * | 2002-03-22 | 2008-05-21 | 株式会社リコー | Electronic circuit board cooling structure |
| CN2699475Y (en) * | 2004-05-24 | 2005-05-11 | 华孚科技股份有限公司 | Radiating device for electronic equipment |
| CN102065665A (en) * | 2009-11-12 | 2011-05-18 | 富准精密工业(深圳)有限公司 | Radiator and fan assembly |
| CN205869678U (en) * | 2016-06-22 | 2017-01-11 | 浙江开泰新能源科技有限公司 | Heat radiation structure of electric welding |
| CN207309174U (en) * | 2017-10-18 | 2018-05-04 | 庄乾晗 | A kind of cooling mechanism of electric welding machine |
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2017
- 2017-10-18 CN CN201710968942.2A patent/CN107498160B/en active Active
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| CN107498160A (en) | 2017-12-22 |
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Effective date of registration: 20230518 Address after: No. 1 Fanbai Line, Hucun Town, Taigu District, Jinzhong City, Shanxi Province, 030600 Applicant after: Shanxi Nonggu Jinming Agricultural and Animal Husbandry Equipment Co.,Ltd. Address before: 325005 4-7-501, Huanglong Kang City, Lucheng District, Wenzhou, Zhejiang Applicant before: Zhuang Qianhan |
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