CN202752726U - Direct-current output port dust cover of inverted direct current arc welder - Google Patents
Direct-current output port dust cover of inverted direct current arc welder Download PDFInfo
- Publication number
- CN202752726U CN202752726U CN 201220433412 CN201220433412U CN202752726U CN 202752726 U CN202752726 U CN 202752726U CN 201220433412 CN201220433412 CN 201220433412 CN 201220433412 U CN201220433412 U CN 201220433412U CN 202752726 U CN202752726 U CN 202752726U
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- direct
- arc welder
- output port
- dust cover
- current output
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Abstract
The utility model relates to a direct-current output port dust cover of an inverted direct current arc welder. The direct-current output port dust cover of the inverted direct current arc welder has the advantages of preventing the direct-current output port from being blocked by dust and being convenient to use and simple in structure. The direct-current output port dust cover of the inverted direct current arc welder is characterized in that the dust cover comprises a square cover body, and magnetic materials are fixed on edges of the bottom of the cover body. The magnetic materials are magnets.
Description
Technical field
The utility model relates to a kind of contravariant DC arc welder, specifically is used for the dust cap of the direct current weldingvoltage output port of contravariant DC arc welder.
Background technology
The contravariant DC arc welder is a kind of common welding equipment, have that volume is little, lightweight, energy-efficient, arc stability, splash less, the characteristics such as arc starting performance is good, be widely used in the welding of stainless steel, steel alloy, carbon steel, low-alloy steel, copper and other metals.
During the work of contravariant DC arc welder, power frequency input voltage with 50Hz becomes DC voltage through rectifying and wave-filtering first, then convert the alternating voltage of high frequency (100KHz) to by power electronic switching, by transformer this alternating voltage is become the alternating voltage that is fit to welding process requirement again, become the direct current weldingvoltage finally by rectifying and wave-filtering; In this process, by pulse width modulation control technology (PWM), output current is controlled and regulated.
The working panel of conventional contravariant DC arc welder as shown in Figure 4, this working panel 2 is provided with display screen 6, control handle 5, radiator window 3 and one positive one negative two dc output end mouths 4, the dc output end mouth is positioned at the bottom of working panel; During work, the DC plug of electrode holders, ground connection pincers docks with the dc output end mouth and is exportable weldingvoltage, and is easy to use.When welding machine leaves unused, generally can be with the separately rolling of direct current output lead, so just so that the dc output end mouth directly exposes outside (the dc output end mouth is generally red copper or brass is made), become easily infected by dust, especially true in the more factory building of dust and impurity, the dc output end mouth can be stopped up by impurity and dust when serious, affects the normal use of electric conductivity and the welding machine of dc output end mouth.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes in the above-mentioned background technology, a kind of dust cap of the dc output end mouth for the contravariant DC arc welder is provided, this dust cap should be able to avoid the dc output end mouth to be stopped up by dust, also should have characteristics easy to use, simple in structure.
The technical solution adopted in the utility model is: the dc output end mouth dust cap of contravariant DC arc welder, it is characterized in that described dust cap comprises a square lid, and the edge of this lid bottom is fixed with magnetic material.
Described magnetic material is magnet.
The beneficial effects of the utility model are: the utility model utilizes magnet adsorption on working panel, thereby with two dc output end mouth masks lid, can stop dust and impurity enters, and guarantees the cleaning of dc output end mouth; The utility model is relatively simple for structure in addition, and is very easy to use and do not affect the normal operation of welding machine, and production cost is also lower, has the marketing prospect.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is left TV structure schematic diagram of the present utility model.
Fig. 3 is that the utility model is adsorbed on the structural representation on the working panel.
Fig. 4 is the structural representation of the working panel of contravariant DC arc welder.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model is not limited to following examples.
As shown in Figure 1 and Figure 2, the dc output end mouth dust cap of contravariant DC arc welder described in the utility model, comprise that a square lid 1(can be plastic housing or rubber jar), this lid can cover two dc output end mouths 4, it can be that two parallel edges are along being provided with magnetic material that the edge of lid bottom is fixed with magnetic material 1-1(, also can be that three edges are provided with magnetic material, perhaps all the edge be provided with magnetic material).Usually, this magnetic material is magnet.
Because the shell of contravariant DC arc welder adopts iron plate or steel plate to make (comprising working panel) usually, so the utility model can directly be adsorbed on the working panel 2, and with two dc output end mouth masks lids, thereby avoid dust to enter.
Claims (2)
1. the dc output end mouth dust cap of contravariant DC arc welder is characterized in that described dust cap comprises a square lid (1), and the edge of this lid bottom is fixed with magnetic material (1-1).
2. the dc output end mouth dust cap of contravariant DC arc welder according to claim 1, it is characterized in that: described magnetic material is magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433412 CN202752726U (en) | 2012-08-29 | 2012-08-29 | Direct-current output port dust cover of inverted direct current arc welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433412 CN202752726U (en) | 2012-08-29 | 2012-08-29 | Direct-current output port dust cover of inverted direct current arc welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202752726U true CN202752726U (en) | 2013-02-27 |
Family
ID=47731921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433412 Expired - Fee Related CN202752726U (en) | 2012-08-29 | 2012-08-29 | Direct-current output port dust cover of inverted direct current arc welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202752726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057191A (en) * | 2014-06-23 | 2014-09-24 | 上海威特力焊接设备制造股份有限公司 | Dustproof cover for rectifying bridge of inverter welding machine |
-
2012
- 2012-08-29 CN CN 201220433412 patent/CN202752726U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057191A (en) * | 2014-06-23 | 2014-09-24 | 上海威特力焊接设备制造股份有限公司 | Dustproof cover for rectifying bridge of inverter welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |