CN218016313U - Alternating current arc striking argon arc welding machine - Google Patents

Abstract

The utility model discloses an alternating current arc striking argon arc welding machine, which comprises a box body, a control panel, an alternating current arc striking circuit and a dustproof device, wherein the inner cavity of the box body is divided into an upper cavity and a lower cavity by a partition plate of the box body from top to bottom; the control board and the alternating current arc striking circuit are respectively positioned in the lower chamber and the upper chamber; the upper chamber is positioned on the clapboard and is provided with a radiator; the dustproof device is arranged in the lower cavity. The utility model can control the dust cover and the clapboard to be connected in a sealing way to seal and prevent dust for the control panel or keep away from the control panel to ensure that the control panel can efficiently dissipate heat during working by arranging the dust-proof device consisting of the dust cover, the turnover mechanism and the lifting mechanism according to the non-working state or the working state of the argon arc welding machine, thereby improving the dust-proof and heat dissipation effects for the control panel; meanwhile, the radiator and the alternating current arc striking circuit are arranged in the upper cavity for radiating, so that high-efficiency radiating is met, and high-efficiency dust prevention is realized; thereby promoting the stability and reliability of the operation of the welding machine and ensuring the welding quality.

Description

Alternating current arc striking argon arc welding machine

Technical Field

The utility model relates to a welding machine technical field especially relates to an exchange argon arc welding machine of striking.

Background

The alternating current arc striking refers to arc striking in an alternating current state when the arc striking device does not work (no load) and works, and the problems that an oxide film on the surface of aluminum is not easy to remove and the failure rate is high when the arc striking device is used for welding aluminum in the process of direct current to alternating current arc striking can be solved by adopting full-time alternating current arc striking;

in order to realize full-time alternating current arc striking, an alternating current arc striking circuit consisting of a rectifying and filtering module, a high-frequency inversion module, a secondary rectifying module, a secondary inversion module and an output conditioning module is arranged in the argon arc welding machine; the alternating current arc striking circuit realizes full-time alternating current arc striking under the control of the control panel; when the arc striking device works, the alternating current arc striking circuit can generate a large amount of heat, and meanwhile, the control panel can also generate certain heat.

However, in the prior art, the layout of the alternating current arc striking circuit and the control panel in the argon arc welding machine is unreasonable, so that the heat dissipation in the welding machine is disordered, the heat dissipation effect is poor, and the stability of alternating current arc striking is influenced; meanwhile, due to the limitation of the structure setting, the efficient heat dissipation of the control panel and the alternating current arc striking circuit cannot be ensured simultaneously, the efficient dust prevention of the control panel is realized, the heat dissipation performance and the operation stability of the control panel are affected due to the fact that dust is adsorbed on the control panel and the alternating current arc striking circuit, the stability and the reliability of the alternating current arc striking of the argon arc welding machine in the whole period are affected easily, and the welding quality cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an alternating current arc striking argon arc welding machine, a dustproof device consisting of a dustproof cover, a turnover mechanism and a lifting mechanism is arranged in a lower cavity, so that the dustproof cover and a partition plate are controlled to be in sealing connection for sealing and dustproof or the control panel is kept away from to ensure that the control panel can efficiently dissipate heat when the control panel works according to the non-working state or the working state of the argon arc welding machine, and the dustproof and heat dissipation effects on the control panel are greatly improved; meanwhile, the radiator and the alternating current arc striking circuit are arranged in the upper chamber, and the upper chamber and the lower chamber respectively adopt independent heat dissipation channels and heat dissipation fans for heat dissipation, so that efficient heat dissipation is met, and efficient dust prevention is realized; therefore, the stability and the reliability of the full-time alternating current arc striking of the welding machine are improved, and the welding quality is ensured.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

an alternating current arc striking argon arc welding machine comprises a box body, a control panel, an alternating current arc striking circuit and a dustproof device, and is characterized in that a partition plate parallel to the ground is arranged in the middle inside the box body; the partition plate divides the inner cavity of the box body into an upper cavity and a lower cavity from top to bottom;

the control plate is positioned in the lower chamber and is arranged in the middle of the lower surface of the partition plate; the alternating current arc striking circuit is positioned in the upper cavity and is arranged on the upper surface of the partition plate; the upper cavity is provided with a radiator for absorbing heat of the control panel on the clapboard; the dustproof device is arranged in the lower cavity.

Preferably, the dustproof device comprises a dustproof cover, a lifting mechanism for controlling the dustproof cover to lift and a turnover mechanism for controlling the dustproof cover to turn over; a boss matched with the dust cover is arranged below the dust cover in the lower cavity; the lifting mechanism is fixed between the partition plate and the bottom of the box body; the turnover mechanism is arranged on the lifting mechanism.

Preferably, the lifting mechanism comprises a vertical frame, a lifting driver, a threaded rod and a guide block which are arranged in bilateral symmetry;

the vertical frame is perpendicular to the partition plate, and two ends of the vertical frame are respectively fixedly connected with the partition plate and the bottom of the box body; symmetrical guide grooves are formed in the inner sides of the left vertical frame and the right vertical frame; the guide block is vertically arranged with the vertical frame; the guide block is in clearance fit with the guide groove;

the lifting driver is positioned between the vertical frames on the left side, and the driving end of the lifting driver is vertically upward; one end of the threaded rod is in transmission connection with the driving end of the lifting driver, and the other end of the threaded rod vertically upwards penetrates through the threaded hole of the guide block and extends to the lower part of the partition plate;

the dust cover is arranged between the left vertical frame and the right vertical frame, and two sides of the dust cover are rotationally connected with the guide block through the turnover mechanism.

Preferably, the turnover mechanism comprises a turnover driver and a rotating shaft; the two rotating shafts are respectively positioned at two sides of the dust cover; the other end of the rotating shaft on the left side is rotatably connected with the guide block; the other end of the right rotating shaft penetrates through the guide block and then is in transmission connection with the driving end of the turning driver; the turnover driver is fixedly connected with the right guide block.

Preferably, the box body is provided with a first air inlet grid and a first air outlet on the left side and the right side of the upper chamber respectively; the box body is positioned on the left side and the right side of the lower cavity and is respectively provided with a second air inlet grid and a second air outlet; the inner sides of the first air outlet and the second air outlet are respectively provided with a heat radiation fan;

the outer side peripheral surface of the outer side of the second air inlet grid is provided with a first mounting groove; a second mounting groove is formed in the peripheral surface of the outer side of the second air outlet; and a first detachable filtering component and a second detachable filtering component are respectively arranged in the first mounting groove and the second mounting groove.

Preferably, the first filter assembly and the second filter assembly both comprise a dustproof filter screen and magnetic blocks arranged around the opening part of the dustproof filter screen; the dustproof filter screen is magnetically attracted on the first mounting groove and the second mounting groove through the magnetic blocks respectively.

Preferably, two or more spray heads for purging dust accumulated on the radiator and the alternating current arc ignition circuit are arranged in the upper chamber; the nozzle of the spray head faces the radiator and the alternating current arc striking circuit.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model can control the dust cover and the baffle plate to be connected in a sealing way for sealing and preventing dust or keep away from the control panel to ensure that the control panel can efficiently dissipate heat during working according to the non-working state or the working state of the argon arc welding machine by arranging the dust prevention device consisting of the dust cover, the turnover mechanism and the lifting mechanism in the lower cavity, thereby greatly improving the dust prevention and heat dissipation effects on the control panel; meanwhile, the radiator and the alternating current arc striking circuit are arranged in the upper chamber, and the upper chamber and the lower chamber respectively adopt independent radiating channels and radiating fans for radiating, so that efficient radiating is met, and efficient dust prevention is realized; therefore, the stability and the reliability of the full-time alternating current arc striking of the welding machine are improved, and the welding quality is ensured.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is a schematic view of a cross-sectional view B-B in FIG. 2;

FIG. 5 is a schematic view of the cross-sectional structure C-C of FIG. 2;

FIG. 6 is an enlarged view of a portion of FIG. 3 at D;

FIG. 7 is an enlarged view of a portion of FIG. 3 at E;

wherein: the device comprises a box body 1, a control panel 2, an alternating current arc striking circuit 3, a dustproof device 4, a partition plate 5, a radiator 6, a boss 7, a radiating fan 8, a first filter assembly 9, a second filter assembly 10, a spray head 11, a dustproof cover 42, a lifting mechanism 41, a turnover mechanism 43, a dustproof filter screen 91, a magnetic block 92, an upper chamber 100, a first air inlet grid 101, a first air outlet 102, a lower chamber 200, a second air inlet grid 201, a second air outlet 202, a first installation groove 203, a second installation groove 204, a vertical frame 411, a lifting driver 412, a threaded rod 413, a guide block 414, a turnover driver 431, a rotating shaft 432 and a guide groove 4111.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," "front," "rear," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-7, an alternating current arc argon arc welding machine comprises a box body 1, a control panel 2, an alternating current arc striking circuit 3 and a dustproof device 4, and is characterized in that a partition plate 5 parallel to the ground is arranged in the middle inside the box body 1; the baffle plate 5 divides the inner cavity of the box body 1 into an upper chamber 100 and a lower chamber 200 from top to bottom;

the control plate 2 is positioned in the lower chamber 200 and is arranged in the middle of the lower surface of the partition plate 5; the alternating current arc striking circuit 3 is positioned in the upper chamber 100 and is arranged on the upper surface of the partition plate 5; the upper chamber 100 is provided with a radiator 6 for absorbing heat of the control panel 2 on the partition plate 5; the dust-proof device 4 is disposed in the lower chamber 200.

Further, as shown in fig. 3 and 5, the dust-proof device 4 includes a dust-proof cover 42, a lifting mechanism 41 for controlling the dust-proof cover 42 to lift, and a turnover mechanism 43 for controlling the dust-proof cover 42 to turn over; the lower cavity 200 is provided with a boss 7 matched with the dust cover 42 below the dust cover 42; the lifting mechanism 41 is fixed between the partition plate 5 and the bottom of the box body 1; the turnover mechanism 43 is disposed on the lifting mechanism 41.

In this embodiment, when the argon arc welding machine is in operation, the dust cover 42 is far away from the control board 2, so as to ensure that the circuit has good heat dissipation, and the cover opening of the dust cover 42 is downward sleeved on the boss 7, so as to prevent dust from accumulating in the dust cover 42; when the argon arc welding machine does not work, in order to prevent dust from entering and accumulating on the control panel 2 during placement, the lifting mechanism 41 is driven to enable the dust cover 42 to move close to the control panel 2, and when the dust cover 42 reaches a certain height, the turnover mechanism 43 controls the dust cover 42 to turn over one hundred and eighty degrees, so that the cover opening faces upwards; then the dust cover 42 continues to move towards the direction close to the control panel 2 until the dust cover 42 is in sealing connection with the partition 5, and the control panel 2 is sealed in the dust cover 42; therefore, the dust cover 42 can be controlled to be in sealing connection with the partition plate 5 to carry out sealing and dust prevention or to be far away from the control plate 2 to ensure that the control plate 2 efficiently dissipates heat during working according to the non-working state or the working state of the argon arc welding machine, and the dust prevention and heat dissipation effects on the control plate 2 are greatly improved; simultaneously, high-efficiency heat dissipation and high-efficiency dust prevention are met.

Further, as shown in fig. 5, the lifting mechanism 41 includes a stand 411, a lifting driver 412, a threaded rod 413 and a guide block 414, which are symmetrically arranged left and right;

the vertical frame 411 is perpendicular to the partition board 5, and two ends of the vertical frame are respectively fixedly connected with the partition board 5 and the bottom of the box body 1; symmetrical guide grooves 4111 are formed in the inner sides of the left vertical frame 411 and the right vertical frame 411; the guide block 414 is arranged perpendicular to the vertical frame 411; the guide block 414 is in clearance fit with the guide groove 4111;

the lifting driver 412 is positioned between the vertical frames 411 on the left side, and the driving end of the lifting driver is vertically upward; one end of the threaded rod 413 is in transmission connection with the driving end of the lifting driver 412, and the other end of the threaded rod is vertically upwards and extends to the lower part of the partition plate 5 through the threaded hole of the guide block 414;

the dust cover 42 is disposed between the left side vertical frame 411 and the right side vertical frame 411, and both sides are rotatably connected with the guide block 414 through the turnover mechanism 43.

In this embodiment, the lifting driver 412 moves forward or backward to drive the threaded rod 413 to rotate, so as to drive the guide block 414 to move upward or downward along the guide groove 4111 relative to the stand 411, so as to drive the turnover mechanism 43 and the dust cover 42 to move integrally close to or away from the control board 2; the lifting control of the dust cover 42 is realized.

Further, as shown in fig. 3 and 5, the turnover mechanism 43 includes a turnover driver 431 and a rotating shaft 432; two rotating shafts 432 are arranged and are respectively positioned at two sides of the dust cover 42; the other end of the rotating shaft 432 on the left side is rotatably connected with the guide block 414; the other end of the right rotating shaft 432 penetrates through the guide block 414 and then is in transmission connection with the driving end of the turning driver 431; the turning driver 431 is fixedly connected to the right guide block 414.

In this embodiment, when the lifting mechanism 41 drives the dust cover 42 to move close to or away from the control board 2, after the dust cover 42 moves to a set height, the turnover driving mechanism moves forward or in a direction, and drives the dust cover 42 to rotate forward or in a reverse direction by 180 degrees around the axis of the rotating shaft 432 as a whole; thereby realize when argon arc welding machine is out of work, dust cover 42 and baffle 5 sealing connection, during operation and boss 7 sealing connection, promoted the dustproof effect to control panel 2 promptly, effectively avoid dust cover 42 inside to pile up the dust again.

Further, as shown in fig. 3, 4 and 5, the box body 1 is provided with a first air inlet grid 101 and a first air outlet 102 on the left side and the right side of the upper chamber 100, respectively; the box body 1 is provided with a second air inlet grid 201 and a second air outlet 202 on the left side and the right side of the lower chamber 200 respectively; the inner sides of the first air outlet 102 and the second air outlet 202 are both provided with a heat radiation fan 8;

the outer peripheral surface of the outer side of the second air inlet grid 201 is provided with a first mounting groove 203; a second mounting groove 204 is formed in the peripheral surface of the outer side of the second air outlet 202; the first mounting groove 203 and the second mounting groove 204 are respectively provided with a first filter assembly 9 and a second filter assembly 10 which are detachable.

In this embodiment, since the heat sink 6 and the ac arc ignition circuit 3 provided in the upper chamber 100 emit relatively high amounts of heat, a good dust-proof requirement is not required; the heating value of the control board 2 arranged in the lower chamber 200 is relatively low, and the lower chamber 200 is required to have good dustproof requirements; therefore, the upper chamber 100 and the lower chamber 200 respectively adopt independent heat dissipation channels and heat dissipation fans 8 to perform independent control of heat dissipation; and a first filter assembly 9 and a second filter assembly 10 are respectively arranged on the second air inlet grid 201 and the second air outlet 202, so that the dustproof performance of the lower chamber 200 is improved, and dust entering the lower chamber 200 is greatly reduced.

Further, as shown in fig. 6 and 7, each of the first filter assembly 9 and the second filter assembly 10 includes a dust-proof filter screen 91 and magnetic blocks 92 disposed around an opening of the dust-proof filter screen 91; the dustproof filter screen 91 is magnetically attracted to the first mounting groove 203 and the second mounting groove 204 through the magnetic blocks 92.

In this embodiment, in normal use, the first filter assembly 9 and the second filter assembly 10 are magnetically attracted in the first mounting groove 203 and the second mounting groove 204 through the magnetic block 92, respectively; when the dustproof filter screen 91 of the first filter assembly 9 and the dustproof filter screen 91 of the first filter assembly 9 need to be cleaned, the first filter assembly 9 and the second filter assembly 10 are directly grabbed and taken out with force without extra tools, and the dustproof filter screen cleaner is simple in structure and convenient to assemble, disassemble and clean.

Further, as shown in fig. 3 and 4, two or more nozzles 11 for purging dust accumulated on the heat sink 6 and the ac arc ignition circuit 3 are provided in the upper chamber 100; the nozzle of the spray head 11 faces the heat sink 6 and the ac ignition circuit 3.

In this embodiment, when a lot of dust is accumulated on the heat dissipation fins of the ac ignition circuit 3 and the heat sink 6 (depending on the duration of use), the heat dissipation performance of the ac ignition circuit 3 and the heat sink 6 is affected; therefore, the nozzle 11 is arranged, the nozzle 11 is connected with a high-pressure air source, the alternating current arc striking circuit 3 and the radiating fins of the radiator 6 are intermittently blasted, meanwhile, the radiating fan 8 is controlled to run at a high speed, impurities such as blasted dust and the like are discharged to the outside of the welding machine, the process is not required to be assembled and disassembled, and the blasting is convenient.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.

Claims (7)

1. An alternating current arc striking argon arc welding machine comprises a box body, a control panel, an alternating current arc striking circuit and a dustproof device, and is characterized in that a partition plate parallel to the ground is arranged in the middle of the interior of the box body; the partition plate divides the inner cavity of the box body into an upper cavity and a lower cavity from top to bottom;

the control plate is positioned in the lower cavity and is arranged in the middle of the lower surface of the partition plate; the alternating current arc striking circuit is positioned in the upper cavity and is arranged on the upper surface of the partition plate; the upper cavity is positioned on the clapboard and is provided with a radiator for absorbing the heat of the control panel; the dustproof device is arranged in the lower cavity.

2. The argon arc welding machine for alternating current arc striking according to claim 1, wherein the dust-proof device comprises a dust cover, a lifting mechanism for controlling the lifting of the dust cover and a turnover mechanism for controlling the turnover of the dust cover; a boss matched with the dust cover is arranged below the dust cover in the lower cavity; the lifting mechanism is fixed between the partition plate and the bottom of the box body; the turnover mechanism is arranged on the lifting mechanism.

3. The argon arc welding machine for alternating current arc striking according to claim 2, wherein the lifting mechanism comprises a vertical frame, a lifting driver, a threaded rod and a guide block which are arranged in bilateral symmetry;

the vertical frame is perpendicular to the partition plate, and two ends of the vertical frame are respectively fixedly connected with the partition plate and the bottom of the box body; symmetrical guide grooves are formed in the inner sides of the left vertical frame and the right vertical frame; the guide block is vertically arranged with the vertical frame; the guide block is in clearance fit with the guide groove;

the lifting driver is positioned between the vertical frames on the left side, and the driving end of the lifting driver is vertically upward; one end of the threaded rod is in transmission connection with the driving end of the lifting driver, and the other end of the threaded rod vertically upwards penetrates through the threaded hole of the guide block and extends to the lower part of the partition plate;

the dust cover is arranged between the left vertical frame and the right vertical frame, and two sides of the dust cover are rotationally connected with the guide block through the turnover mechanism.

4. The argon arc welding machine for alternating current arc striking according to claim 3, wherein the turnover mechanism comprises a turnover driver and a rotating shaft; the two rotating shafts are respectively positioned on two sides of the dust cover; the other end of the rotating shaft on the left side is rotatably connected with the guide block; the other end of the right rotating shaft penetrates through the guide block and then is in transmission connection with the driving end of the turning driver; the turnover driver is fixedly connected with the right guide block.

5. The argon arc welding machine for alternating current arc striking according to claim 1, wherein the box body is provided with a first air inlet grid and a first air outlet respectively on the left side and the right side of the upper chamber; the box body is positioned on the left side and the right side of the lower chamber and is respectively provided with a second air inlet grid and a second air outlet; the inner sides of the first air outlet and the second air outlet are respectively provided with a heat radiation fan;

the outer side peripheral surface of the outer side of the second air inlet grid is provided with a first mounting groove; a second mounting groove is formed in the peripheral surface of the outer side of the second air outlet; and a first detachable filtering component and a second detachable filtering component are respectively arranged in the first mounting groove and the second mounting groove.

6. The alternating-current arc striking argon arc welding machine according to claim 5, wherein the first filtering component and the second filtering component respectively comprise a dustproof filtering net and magnetic blocks arranged around the opening part of the dustproof filtering net; the dustproof filter screen is magnetically attracted on the first mounting groove and the second mounting groove through the magnetic blocks respectively.

7. The argon arc welding machine for alternating current arc striking according to claim 1, wherein two or more spray heads for purging dust accumulated on the heat radiator and the alternating current arc striking circuit are arranged in the upper chamber; the nozzle of the spray head faces the radiator and the alternating current arc striking circuit.

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