Electronic spot welding device

Abstract

The utility model discloses an electronic spot welding device which comprises a spot welding pen and an air collecting cover, the air collecting cover is arranged on one side of the spot welding pen, and the utility model relates to the technical field of spot welding equipment. According to the electronic spot welding device, the rotating shaft, the fan blades, the efficient filter screen and the activated carbon filter screen are arranged between the air collecting cover and the purifying cover, and the air collecting cover and the ventilating cover are communicated through the ventilating pipe, so that the spot welding pen can conduct spot welding through synchronous cooperation of the rotating shaft, the fan blades, the efficient filter screen and the activated carbon filter screen in the using process; according to the spot welding pen, the air collecting cover is arranged between the spot welding pen and the purifying cover, harmful smoke generated by welding of the spot welding pen is extracted and purified, purified air is dispersed to the periphery of a pen holder of the spot welding pen, heat dissipation and dehumidification are conducted on the palm of a user, and the situation that the palm sweats, and consequently the user feels uncomfortable in use is avoided; the efficient filter screen and the activated carbon filter screen are easy to disassemble and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of spot welding equipment, in particular to an electronic spot welding device. Background Art

[0002] Electronic welding is the process of heating the weldment and the solder with a relatively low melting point to the welding temperature. The solder melts and wets the welding surface without the weldment melting, and the connection between the weldment is formed by the diffusion of atoms of the two.

[0003] The existing spot welding device usually holds a welding pen in one hand and a welding wire in the other hand, and the circuit board and the electronic components are welded together through the contact between the welding wire and the tip of the welding pen. Although this method can achieve the welding effect, it is inevitable that it also has shortcomings in actual operation. For example, the spot welding device lacks a supporting purification mechanism, which leads to the device being unable to purify the air containing welding fumes in time during the spot welding process, which causes the operator to inhale it for a long time, resulting in an increased chance of illness for the staff. In order to avoid such problems, an electronic spot welding device is proposed to solve the existing problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an electronic spot welding device, which solves the problem that the spot welding device lacks a supporting purification mechanism, causing workers to inhale air containing welding fumes for a long time, thereby increasing the risk of illness for the workers.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an electronic spot welding device, comprising a spot welding pen and an air collecting hood, the air collecting hood is arranged on one side of the spot welding pen, a purification hood is arranged at the bottom end of the air collecting hood, a high-efficiency filter is arranged inside the purification hood, an activated carbon filter is arranged on the top of the high-efficiency filter, and the high-efficiency filter, the activated carbon filter and the purification hood are fixedly connected by bolts, a micro motor is fixedly connected to the top of the air collecting hood through a bracket, the output shaft of the micro motor is fixedly connected to a rotating shaft through a coupling, and one end of the rotating shaft passes through and extends to the inside of the air collecting hood, a plurality of fan blades are fixedly connected to the surface of the rotating shaft, a ventilation hood is fixedly connected to the surface of the spot welding pen, a plurality of air holes are opened on the surface of the ventilation hood, and a ventilation pipe is connected between the ventilation hood and the air collecting hood.

[0006] Preferably, an externally threaded coarse filter frame is provided inside the purification hood, and an internal thread matched with the externally threaded coarse filter frame is provided inside the purification hood.

[0007] Preferably, a threaded sleeve is fixedly connected to the surface of the purification hood.

[0008] Preferably, the surface of the air collecting hood is provided with external threads matching with the threaded sleeve.

[0009] Preferably, a spacer rod is fixedly connected to the bottom of the activated carbon filter.

[0010] Beneficial Effects

[0011] The utility model provides an electronic spot welding device. Compared with the existing technology, the utility model has the following beneficial effects: the utility model sets a rotating shaft, a fan blade, a high-efficiency filter and an activated carbon filter between the wind collecting hood and the purification hood, and connects the wind collecting hood and the ventilation hood through a ventilation pipe, so that the spot welding pen can extract and purify the harmful smoke generated by the spot welding pen through the synchronous coordination of the rotating shaft, the fan blade, the high-efficiency filter and the activated carbon filter during use, so as to avoid the problem of long-term inhalation of people and increase the probability of illness, and disperse the purified air to the periphery of the pen holder of the spot welding pen to dissipate heat and dehumidify the palm of the user, so as to avoid the discomfort caused by sweating of the palm, and secondly, by setting a threaded sleeve and an external thread between the wind collecting hood and the purification hood, the high-efficiency filter and the activated carbon filter are easy to disassemble and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0013] Figure 2 It is a cross-sectional view of the ventilation hood structure of the utility model;

[0014] Figure 3 This is an expanded view of the internal structure of the ventilation pipe and purification cover of the utility model;

[0015] Figure 4 It is a schematic diagram of the structure of the high-efficiency filter and activated carbon filter of the utility model;

[0016] Figure 5 It is a schematic diagram of the purification cover and the external thread coarse filter frame structure of the utility model.

[0017] In the figure: 1. spot welding pen; 2. wind collecting hood; 3. ventilation pipe; 4. purification hood; 5. high-efficiency filter; 6. activated carbon filter; 7. micro motor; 8. rotating shaft; 9. fan blade; 10. external thread coarse filter frame; 11. internal thread; 12. threaded sleeve; 13. external thread; 14. spacer rod; 15. ventilation hood; 16. air hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1-5The utility model provides a technical solution: an electronic spot welding device, comprising a spot welding pen 1 and an air collecting hood 2, the air collecting hood 2 is arranged on one side of the spot welding pen 1, a purification hood 4 is arranged at the bottom end of the air collecting hood 2, a high-efficiency filter 5 is arranged inside the purification hood 4, an activated carbon filter 6 is arranged on the top of the high-efficiency filter 5, and the high-efficiency filter 5, the activated carbon filter 6 and the purification hood 4 are fixedly connected by bolts, a micro motor 7 is fixedly connected to the top of the air collecting hood 2 through a bracket, the output shaft of the micro motor 7 is fixedly connected to a rotating shaft 8 through a coupling, and one end of the rotating shaft 8 passes through and extends to the inside of the air collecting hood 2, a plurality of fan blades 9 are fixedly connected to the surface of the rotating shaft 8, and the surface of the spot welding pen 1 A ventilation hood 15 is fixedly connected, and a plurality of wind holes 16 are opened on the surface of the ventilation hood 15. A ventilation pipe 3 is connected between the ventilation hood 15 and the wind collecting hood 2. In order to separate the high-efficiency filter 5 and the activated carbon filter 6, a spacing rod 14 is fixedly connected to the bottom of the activated carbon filter 6. As a detailed explanation: the high-efficiency filter 5 is a HEPA filter, which can filter fine particles of 0.3 microns and is a particularly effective smoke and dust filter layer. The activated carbon filter 6 has efficient adsorption performance and can be used for air purification and removal of volatile organic compounds. It has low air resistance and low energy consumption. It can deodorize and remove odors at a certain air volume to purify the environment and has a good purification effect.

[0020] Furthermore, in order to facilitate the replacement of the high-efficiency filter 5 and the activated carbon filter 6 , a threaded sleeve 12 is fixedly connected to the surface of the purification hood 4 , and an external thread 13 matched with the threaded sleeve 12 is provided on the surface of the wind collecting hood 2 .

[0021] In order to intercept large dust particles and other impurities, an external thread coarse filter frame 10 is provided inside the purification hood 4 , and an internal thread 11 matched with the external thread coarse filter frame 10 is provided inside the purification hood 4 .

[0022] When in use, start the micro motor 7, which will drive the rotating shaft 8 to rotate through the output shaft, and the rotating shaft 8 will drive the fan blades 9 to rotate. The rotation of the fan blades 9 will draw the welding smoke generated by the spot welding pen 1 into the purification hood 4 and the wind collecting hood 2. When the smoke-containing air is guided through the purification hood 4 and the wind collecting hood 2, it will be coarsely filtered by the external threaded coarse filter frame 10, finely filtered by the high-efficiency filter 5, and adsorbed and purified by the activated carbon filter 6 in sequence, and then pass into the interior of the ventilation pipe 3. The purified air passing through the interior of the ventilation pipe 3 will flow into the interior of the ventilation hood 15 and be blown to the palm of the operator through the air hole 16.

Claims

1. An electronic spot welding device, comprising a spot welding pen (1) and an air collecting hood (2), wherein the air collecting hood (2) is arranged on one side of the spot welding pen (1), characterized in that: A purification hood (4) is provided at the bottom end of the wind collecting hood (2), a high-efficiency filter (5) is provided inside the purification hood (4), an activated carbon filter (6) is provided on the top of the high-efficiency filter (5), and the high-efficiency filter (5), the activated carbon filter (6) and the purification hood (4) are fixedly connected by bolts, a micro motor (7) is fixedly connected to the top of the wind collecting hood (2) through a bracket, an output shaft of the micro motor (7) is fixedly connected to a rotating shaft (8) through a coupling, and one end of the rotating shaft (8) passes through and extends to the inside of the wind collecting hood (2), a plurality of fan blades (9) are fixedly connected to the surface of the rotating shaft (8), a ventilation hood (15) is fixedly connected to the surface of the spot welding pen (1), a plurality of air holes (16) are provided on the surface of the ventilation hood (15), and a ventilation pipe (3) is connected between the ventilation hood (15) and the wind collecting hood (2).

2. An electronic spot welding device according to claim 1, characterized in that: An externally threaded coarse filter frame (10) is provided inside the purification cover (4), and an internal thread (11) matching the externally threaded coarse filter frame (10) is provided inside the purification cover (4).

3. An electronic spot welding device according to claim 1, characterized in that: A threaded sleeve (12) is fixedly connected to the surface of the purification cover (4).

4. An electronic spot welding device according to claim 3, characterized in that: The surface of the air collecting cover (2) is provided with an external thread (13) that matches the threaded sleeve (12).

5. The electronic spot welding device according to claim 1, characterized in that: A spacing rod (14) is fixedly connected to the bottom of the activated carbon filter screen (6).

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