CN202804490U - Automatic wire feeding system of automatic laser welding machine - Google Patents

Automatic wire feeding system of automatic laser welding machine Download PDF

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Publication number
CN202804490U
CN202804490U CN 201220397341 CN201220397341U CN202804490U CN 202804490 U CN202804490 U CN 202804490U CN 201220397341 CN201220397341 CN 201220397341 CN 201220397341 U CN201220397341 U CN 201220397341U CN 202804490 U CN202804490 U CN 202804490U
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CN
China
Prior art keywords
wire
welding
automatic
welding wire
laser
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Expired - Fee Related
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CN 201220397341
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Chinese (zh)
Inventor
王小峰
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SHENZHEN TONGFA LASER EQUIPMENT CO Ltd
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SHENZHEN TONGFA LASER EQUIPMENT CO Ltd
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Priority to CN 201220397341 priority Critical patent/CN202804490U/en
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Publication of CN202804490U publication Critical patent/CN202804490U/en
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Abstract

The utility model relates to an automatic wire feeding system of an automatic laser welding machine. Being used matched with a laser head, the automatic wire feeding system of the automatic laser welding machine comprises a welding wire tank wound by welding wires, a welding wire correcting mechanism used for correcting the welding wires, a welding wire straightening mechanism, an air-blowing wire-feeding device and an tail end wire-feeding speed controlling mechanism used for controlling wire-feeding speed accurately and a controlling driving unit, wherein the welding wire tank wound by welding wires, the welding wire correcting mechanism used for correcting the welding wires, the welding wire straightening mechanism, the air-blowing wire-feeding device and the tail end wire-feeding speed controlling mechanism used for controlling the wire-feeding speed accurately and the controlling driving unit are arranged in sequence and the controlling driving unit is connected with welding wire tank wound by the welding wires, the welding wire correcting mechanism used for correcting the welding wires, the welding wire straightening mechanism, the air-blowing wire-feeding device and the end wire-feeding speed controlling mechanism used for controlling the wire-feeding speed accurately. A wire-blowing tube used for blowing the welding wires is arranged on the air-blowing wire-feeding device, the air-blowing wire-feeding device is connected with wire inlet hole of the wire-blowing tube, an welding-wire outlet end is arranged on the wire-blowing tube, the welding-wire outlet end is fixedly connected with the laser connecting head, and end shaft lines of the welding-wire outlet end penetrate through the laser projection welding focusing point of the laser optical axis. The automatic wire feeding system of the automatic laser welding machine is capable of transporting the welding wires to the welding position automatically in no need of manual transporting of the welding wires of operational staff, and avoiding the situation that manual transporting of the welding wires wastes time and effort, saving manpower cost and facilitating to ensure welding quality, and enlarging the application range of the laser welding machine.

Description

The automatic wire feed system of automatic laser welding machine
Technical field
This area relates to a kind of wire feed system of laser-beam welding machine, relates in particular to a kind of automatic wire feed system for various laser-beam welding machines.
Background technology
Laser weld is a kind of Novel welding processing mode, utilize high-octane laser pulse to carrying out local heat in the tiny area of rapidoprint, the heat that powerful laser emission energy produces forms specific molten bath to reach the purpose of laser weld with the material fusing at place, welding position after the material fusing.Present laser weld mainly is for the welding for thin-walled material or precision component, can be used for various butt welding, seal weld, spot welding, stitch welding etc., it is little to have weld width, welding seam deep width ratio is high, the heat affected area is little, be out of shape little, speed of welding piece, smooth welded seam, attractive in appearance, postwelding need not to process or only needs simply dealt advantage, weldquality is high, can not produce pore, and the focal spot of laser is little, therefore can accurately control the precision of location, the light irradiation position of laser is convenient to control, thereby easily realizes Automation of Welding, at present, all be by the manual welding wire of carrying in the process of laser weld, because the manual process need people's who carries notice high concentration, and need to adjust the speed and strength that welding wire is carried, require the workman to grasp skilled technical ability, and need the artificial conveyance welding wire, inefficiency; Therefore not only can increase the cost of manpower but also can affect quality and the efficient of welding, this becomes a difficult problem that improves laser weld efficient and quality.
The utility model content
The utility model is in order to overcome the shortcoming of prior art, has proposed a kind ofly can automatically carry welding wire to finish the automatic wire feed system of welding for laser-beam welding machine.
For achieving the above object, the automatic wire feed system of automatic laser welding machine of the present utility model adopts following technical scheme: the utility model relates to a kind of automatic wire feed system of automatic laser welding machine, be used with laser head, the automatic wire feed system of this automatic laser welding machine comprises the welding wire cylinder that is provided with the winding welding wire successively, the welding wire guiding mechanism that is used for the correcting welding wire, welding wire straightening mechanism, the terminal wire feed rate controlling organization of air blowing wire feeder and accurate control wire feed rate, and with above-mentioned welding wire guiding mechanism, welding wire straightening mechanism, the air blowing wire feeder be connected the wire feed rate controlling organization and connect, the control driver element that is used for control rate, the air blowing wire feeder is provided be used to the fiber tube that blows that blows welding wire, the air blowing wire feeder is connected with a hole of advancing of blowing fiber tube, blow the fiber tube end and be provided with the welding wire port of export, this welding wire outlet is fixedly connected with the end laser head, and the port axis of the welding wire port of export passes the laser focusing welding focus on the laser head optical axis.
In the automatic wire feed system of automatic laser welding machine of the present utility model, also include the digital controlled rotary detent mechanism, above-mentioned laser head, terminal wire feed rate controlling organization and the welding wire port of export that blows fiber tube all are fixedly connected with described digital controlled rotary detent mechanism.
In the automatic wire feed system of automatic laser welding machine of the present utility model, the linear velocity of terminal wire feed rate controlling organization place welding wire is not more than the speed that the welding wire at air blowing wire feeder place blows out.
In the automatic wire feed system of automatic laser welding machine of the present utility model, also be provided with welding wire dynamics testing agency between described air blowing wire feeder and the terminal wire feed rate controlling organization, and the signal circuit that is connected with accessory drive, this welding wire dynamics testing agency comprises testing agency's casing, be located at testing agency's casing relative before, rear two ends advance the silk mouthful, filament mouth and filament mouth and advance the silk mouthful between the testing agency chamber, this enters silk mouthful place and is provided with the first electrode retaining collar with the welding wire conductive contact, be provided with the second electrode retaining collar of ring seal in the testing agency chamber, described the first electrode retaining collar be connected electrode retaining collar and be connected with signal circuit, the central axis of this second electrode retaining collar with advance the silk mouthful, the axis of filament mouth remains on the same axis, this first electrode retaining collar and the second electrode keep insulation mutually, and the first electrode retaining collar and the second electrode are electrically connected with two electrodes of power supply respectively, the welding wire that above-mentioned air blowing wire feeder is sent passes successively into the silk mouth, behind the second electrode retaining collar and the filament mouth, enter described terminal wire feed rate controlling organization.
In the automatic wire feed system of automatic laser welding machine of the present utility model, the described material of advancing silk mouthful electrode is wear-resisting carbon electrode.
Beneficial effect:
The automatic wire feed system of automatic laser welding machine of the present utility model, adopted above-mentioned technical scheme, therefore in the process of welding, system can be exactly by above-mentioned device automatic transport welding wire from the welding wire port of export output of blowing a hole and keep certain thrust, transporting velocity by the accurate adjustment welding wire, just can be constantly with the welding position of welding wire automatic transport to laser-beam welding machine, finish automatic wire feed process, blow the angle of the welding wire port of export in a hole by adjustment, just can precise positioning to pad, guarantee the level and smooth smoothness of welding; This system is installed on the automatic laser welding machine, terminal wire feed rate controlling organization and digital controlled rotary detent mechanism are controlled by the control driver element, this digital controlled rotary localization machine is rotated location and wire feed according to the control signal of control driver element input, and welding wire is transported to pad with welding wire exactly by synchronous air blowing and guiding mechanism, do not need operating personnel to carry welding wire with hand, automatically finish welding process, avoid the manual feed welding wire to waste time and energy and inaccurate situation, not only save human cost, and can guarantee the quality of welding, increase the range of application of Laser Welding.
Below in conjunction with accompanying drawing the utility model is described in detail, so that above-mentioned advantage of the present utility model is clearer and more definite.
Description of drawings
Fig. 1, be the structural principle schematic diagram of automatic laser welding machine of the present utility model;
Fig. 2, be the structural principle of the welding wire dynamics testing agency of automatic laser welding machine of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description.
As shown in Figure 1, for achieving the above object, the automatic wire feed system of the automatic laser welding machine that of the present utility model and laser head 12 is used, comprised successively and be provided with the welding wire cylinder 23 that twines welding wire 5, the welding wire guiding mechanism 24 that is used for the correcting welding wire, welding wire straightening mechanism 25, the air blowing wire feeder, be used for the accurately terminal wire feed rate controlling organization 22 of control wire feed rate, and with above-mentioned welding wire guiding mechanism, welding wire straightening mechanism, the air blowing wire feeder be connected the wire feed rate controlling organization and connect, control the control driver element of its speed of service, the air blowing wire feeder is provided be used to what blow welding wire and blows fiber tube 20, the air blowing wire feeder is connected with a hole of advancing of blowing fiber tube, blow the fiber tube end and be provided with the welding wire port of export 21, this welding wire outlet is fixedly connected with 12 of laser of end, and the port axis of the welding wire port of export passes the laser focusing welding focus on the laser head optical axis.
Further, also include digital controlled rotary detent mechanism 11, above-mentioned laser head, terminal wire feed rate controlling organization and the welding wire port of export that blows fiber tube all are fixedly connected with described digital controlled rotary detent mechanism, for fear of the phenomenon that breaking appears in welding wire, the linear velocity of terminal wire feed rate controlling organization place welding wire is not more than the speed that the welding wire at air blowing wire feeder place blows out.
Further, as shown in Figure 2, also be provided with welding wire dynamics testing agency between described air blowing wire feeder and the terminal wire feed rate controlling organization, and the signal circuit that is connected with accessory drive, this welding wire dynamics testing agency comprises testing agency's casing 3, be located at testing agency's casing relative before, rear two ends advance silk mouthfuls 30, filament mouth 33 and filament mouth and advance the silk mouthful between the testing agency chamber, this enters silk mouthful 30 places and is provided with the first electrode retaining collar 31 with the welding wire conductive contact, be provided with the second electrode retaining collar 32 of ring seal in the testing agency chamber, described the first electrode retaining collar be connected electrode retaining collar and be connected with signal circuit, the central axis of this second electrode retaining collar with advance the silk mouthful, the axis of filament mouth remains on the same axis, this first electrode retaining collar and the second electrode keep insulation mutually, and the first electrode retaining collar and the second electrode respectively with power supply just, negative two electrodes are electrically connected, the welding wire that above-mentioned air blowing wire feeder is sent passes successively into the silk mouth, behind the second electrode retaining collar and the filament mouth, enter described terminal wire feed rate controlling organization, in the middle of the process in laser weld, the control circuit of control driver element detects the operation of control each several part, the air blowing wire feeder is that wire feeder is supplied with welding wire, judged by the speed that welding wire dynamics testing agency shown in Figure 2 carries the welding wire of air blowing wire feeder: welding wire passes the second electrode retaining collar from advancing of welding wire dynamics testing agency after first electrode retaining collar of mouth enters, then pass by filament mouth, when the welding wire of sending when the air blowing wire feeder is not exported by the wire feed rolls of terminal wire feed rate controlling organization, because welding wire is fully hard or the semi-hard wire, it has preferably elasticity, therefore welding wire produces in welding wire dynamics testing agency and becomes bent, can cause the signal circuit short circuit with the first electrode retaining collar and the electric connection of the second electrode retaining collar, thereby make the control driver element change the wire feed rate of air blowing wire feeder, be short-circuited, think that then the welding wire transporting velocity of air blowing wire feeder is too fast, be not short-circuited, think that then air blowing wire feeder speed is not slower than the speed of the wire feed rolls of terminal wire feed rate controlling organization, keep the air blowing wire feeder speed identical or slightly quicker with the speed of the wire feed rolls of terminal wire feed rate controlling organization to continue for silk.When the frequency of the detection of signal circuit is enough high, just can satisfy the requirement of use, for example in the middle of the present embodiment, being responsible for the single-chip microcomputer of the detection of signal circuit monitors with the number of times do scanning of each second more than 100 times, just can guarantee enough welding wire supply precision, satisfy the accurate coordination to the running speed of air blowing wire feeder and terminal wire feed rate controlling organization.

Claims (5)

1. the automatic wire feed system of an automatic laser welding machine, be used with laser head, it is characterized in that: the automatic wire feed system of this automatic laser welding machine comprises the welding wire cylinder that is provided with the winding welding wire successively, the welding wire guiding mechanism that is used for the correcting welding wire, welding wire straightening mechanism, the terminal wire feed rate controlling organization of air blowing wire feeder and accurate control wire feed rate, and with above-mentioned welding wire guiding mechanism, welding wire straightening mechanism, the air blowing wire feeder be connected the wire feed rate controlling organization and connect, the control driver element that is used for control rate, the air blowing wire feeder is provided be used to the fiber tube that blows that blows welding wire, the air blowing wire feeder is connected with a hole of advancing of blowing fiber tube, blow the fiber tube end and be provided with the welding wire port of export, this welding wire outlet is fixedly connected with the end laser head, and the port axis of the welding wire port of export passes the laser focusing welding focus on the laser head optical axis.
2. the automatic wire feed system of automatic laser welding machine according to claim 1, it is characterized in that, also include the digital controlled rotary detent mechanism, above-mentioned laser head, terminal wire feed rate controlling organization and the welding wire port of export that blows fiber tube all are fixedly connected with described digital controlled rotary detent mechanism.
3. the automatic wire feed system of automatic laser welding machine according to claim 1 is characterized in that, the linear velocity of terminal wire feed rate controlling organization place welding wire is not more than the speed that the welding wire at air blowing wire feeder place blows out.
4. the automatic wire feed system of automatic laser welding machine according to claim 1, it is characterized in that, also be provided with welding wire dynamics testing agency between described air blowing wire feeder and the terminal wire feed rate controlling organization, and the signal circuit that is connected with accessory drive, this welding wire dynamics testing agency comprises testing agency's casing, be located at testing agency's casing relative before, rear two ends advance the silk mouthful, filament mouth and filament mouth and advance the silk mouthful between the testing agency chamber, this enters silk mouthful place and is provided with the first electrode retaining collar with the welding wire conductive contact, be provided with the second electrode retaining collar of ring seal in the testing agency chamber, described the first electrode retaining collar be connected electrode retaining collar and be connected with signal circuit, the central axis of this second electrode retaining collar with advance the silk mouthful, the axis of filament mouth remains on the same axis, this first electrode retaining collar and the second electrode keep insulation mutually, and the first electrode retaining collar and the second electrode are electrically connected with two electrodes of power supply respectively, the welding wire that above-mentioned air blowing wire feeder is sent passes successively into the silk mouth, behind the second electrode retaining collar and the filament mouth, enter described terminal wire feed rate controlling organization.
5. the automatic wire feed system of automatic laser welding machine according to claim 1 is characterized in that, the described material of advancing silk mouthful electrode is wear-resisting carbon electrode.
CN 201220397341 2012-08-10 2012-08-10 Automatic wire feeding system of automatic laser welding machine Expired - Fee Related CN202804490U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220397341 CN202804490U (en) 2012-08-10 2012-08-10 Automatic wire feeding system of automatic laser welding machine

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Application Number Priority Date Filing Date Title
CN 201220397341 CN202804490U (en) 2012-08-10 2012-08-10 Automatic wire feeding system of automatic laser welding machine

Publications (1)

Publication Number Publication Date
CN202804490U true CN202804490U (en) 2013-03-20

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567635A (en) * 2012-08-10 2014-02-12 深圳市通发激光设备有限公司 Automatic wire feeding system of automatic laser welding machine
CN109641320A (en) * 2016-08-05 2019-04-16 通快机床两合公司 Control program for carrying out the device and method of laser welding by the additional materials in welding wire form and for executing this method
CN110961752A (en) * 2019-12-23 2020-04-07 武汉比天科技有限责任公司 Superfine tin wire feeding device for laser welding and welding method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103567635A (en) * 2012-08-10 2014-02-12 深圳市通发激光设备有限公司 Automatic wire feeding system of automatic laser welding machine
CN103567635B (en) * 2012-08-10 2016-09-28 深圳市通发激光设备有限公司 The automatic wire feed system of automatic laser welding machine
CN109641320A (en) * 2016-08-05 2019-04-16 通快机床两合公司 Control program for carrying out the device and method of laser welding by the additional materials in welding wire form and for executing this method
US11541478B2 (en) 2016-08-05 2023-01-03 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Laser welding device and laser welding method using welding wire
CN110961752A (en) * 2019-12-23 2020-04-07 武汉比天科技有限责任公司 Superfine tin wire feeding device for laser welding and welding method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130320

Termination date: 20160810