CN106216850A - A kind of copper bar cutter sweep - Google Patents

Abstract

The present invention proposes a kind of copper bar cutter sweep, including laser cutter and the controller that is connected with described laser cutter, described laser cutter is provided with nozzle, described nozzle is provided with focus lamp, described nozzle alignment cellular board, utilize controller according to copper bar to be cut, determine the cutting power of laser cutter, determine the position of copper bar to be cut, diced system is utilized to carry out copper bar cutting, the present invention can solve the problem that the copper bar rotor line flush end out-of-flatness after cutting, the technical problem that working (machining) efficiency is low.

Description

A kind of copper bar cutter sweep

Technical field

The invention belongs to motor processing technique field, particularly to a kind of copper bar cutter sweep.

Background technology

At present, in traditional motor course of processing, motor rotor copper line flush end typically uses lathe to be processed, because of The rotor axis of electric used for the motor of different capacity is in different size, is limited with processing length by the center height of lathe, A range of specification can only be met can process.If using artificial sawing, speed is slow, and size DC motor rotor axle is average Time-consuming 2.5h/ part, and be the cutting of non-LINEAR CONTINUOUS, flush end effect is bad.The DC motor rotor of small dimension be generally 2～ Cutting part can not be faced, so easily causing due to the splashing of chip, operator during 3mm cutting copper bar end The accidental injury of commutator surface, once cutting by mistake, repairs number.Serious may the scrapping of situation.

Therefore, a kind of copper bar cutter sweep is needed now badly, it is possible to solve the copper bar rotor line flush end out-of-flatness after cutting, add The inefficient technical problem of work.

Summary of the invention

The present invention proposes a kind of row's cutter sweep, solves the copper bar rotor line flush end out-of-flatness after cutting in prior art, The problem that working (machining) efficiency is low.

The technical scheme is that and be achieved in that: copper bar cutter sweep, swash including laser cutter and with described The controller that light sickle connects, described laser cutter is provided with nozzle, and described nozzle is provided with focus lamp, described nozzle pair Quasi-cellular board, utilizes controller according to copper bar to be cut, determines the cutting power of laser cutter, determine the position of copper bar to be cut Put, utilize diced system to carry out copper bar cutting.

Preferably, also include high-pressure system, described high-pressure system at laser beam irradiation to copper bar surface, make copper bar reach When fusing point or boiling point, utilize the gases at high pressure coaxial with light beam to be blown away by the copper of fusing simultaneously.

Preferably, laser cutter is utilized to carry out copper bar cutting, by controlling nozzle and copper bar relative movement, and traveling rail Mark is preset according to the demand of copper bar to be cut.

Preferably, utilize laser cutter to carry out copper bar cutting, sputter on copper bar surface first with laser pulse moment Go out aperture, then utilize laser Machining head to advance according to travel track in advance with copper bar, thus complete the copper bar shape preset.

Preferably, described laser cutter hot spot meets relation:

$d=2f\mathrm{\θ}+\frac{0.03D^3}{f^2}$

Wherein, spot diameter d, focal distance f, angle of divergence θ, lasing beam diameter D.

Preferably, before laser cutter cuts, laser beam is carried out further light beam focusing, adjust the poly-of focal position Depth of focus degree:

$F_{dep}=2Z_{ray}=\frac{2\×f^2\×\mathrm{\λ}}{D^2\×\mathrm{\π}\×K}$

Wherein, D is lasing beam diameter before focusing on, and K is beam quality factor.

Preferably, described copper bar cutter sweep side is provided with chiller.

Preferably, described copper bar cutter sweep side is provided with cooling according to circumstances.

Preferably, described gases at high pressure are nitrogen.

Preferably, described gases at high pressure pressure is 5 MPas-20 MPas.

After have employed technique scheme, the invention has the beneficial effects as follows: formed after laser beam focus and there is extremely strong energy The least application point, it is applied to be cut with many features.First, laser light energy is converted into surprising heat energy and is maintained at minimum Region in, it is possible to provide: the straight cut that (1) is narrow；(2) heat affected area of minimum neighbouring trimming；(3) minimum local becomes Shape.Secondly, laser beam does not apply any power to workpiece, and it is contactless cutting tool, and this means that: (1) workpiece mechanical Deformation；(2) without tool wear, the transfer problem of the cutter that is also far from being；(3) cutting material is regardless of its hardness, namely swashs Light cutting power is not affected by the hardness of cut timber material, and the material of any hardness can cut.Again, laser beam controllability By force, and there are high adaptability and flexibility, thus: (1) combines with automation equipment easily, easily realizes cutting process automatic Change；(2) owing to there is not the restriction to cutting workpiece, laser beam has unlimited shape cutting ability；And computer structure (3) Close, can whole plate discharge, save material.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the block diagram of the present invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.

As it is shown in figure 1, this copper bar cutter sweep, including laser cutter and the control that is connected with described laser cutter Device, described laser cutter is provided with nozzle, and described nozzle is provided with focus lamp, described nozzle alignment cellular board, utilizes and controls Device, according to copper bar to be cut, determines the cutting power of laser cutter, determines the position of copper bar to be cut, utilizes diced system to enter Row copper bar cuts.

Also include high-pressure system, described high-pressure system at laser beam irradiation to copper bar surface, make copper bar reach fusing point or During person's boiling point, utilize the gases at high pressure coaxial with light beam to be blown away by the copper of fusing simultaneously.

Utilize laser cutter to carry out copper bar cutting, by controlling nozzle and copper bar relative movement, and travel track according to The demand of copper bar to be cut is preset.

Utilize laser cutter to carry out copper bar cutting, sputter aperture first with laser pulse moment on copper bar surface, Then utilize laser Machining head to advance according to travel track in advance with copper bar, thus complete the copper bar shape preset.

Described laser cutter hot spot meets relation:

$d=2f\mathrm{\θ}+\frac{0.03D^3}{f^2}$

Wherein, spot diameter d, focal distance f, angle of divergence θ, lasing beam diameter D.

Before laser cutter cuts, laser beam is carried out further light beam focusing, the depth of focus of adjustment focal position:

$F_{dep}=2Z_{ray}=\frac{2\×f^2\×\mathrm{\λ}}{D^2\×\mathrm{\π}\×K}$

Wherein, D is lasing beam diameter before focusing on, and K is beam quality factor.

Described copper bar cutter sweep side is provided with chiller.

Described copper bar cutter sweep side is provided with cooling according to circumstances.

Described gases at high pressure are nitrogen.

Described gases at high pressure pressure is 5 MPas-20 MPas.

This copper bar cutter sweep: form the least application point with extremely strong energy after laser beam focus, it is applied to cut Many features are cut.First, laser light energy is converted into surprising heat energy and is maintained in minimum region, it is possible to provide: (1) is narrow Straight cut；(2) heat affected area of minimum neighbouring trimming；(3) minimum local deformation.Secondly, workpiece is not executed by laser beam Adding any power, it is contactless cutting tool, and this means that: (1) workpiece mechanical deforms；(2) without tool wear, also talk not The transfer problem fixed a cutting tool；(3) cutting material is regardless of its hardness, namely cut ability not hard by cut timber material Degree impact, the material of any hardness can cut.Again, laser beam controllability is strong, and has high adaptability and flexibility, because of And: (1) combines with automation equipment easily, easily realizes cutting process automatization；(2) owing to not existing cutting workpiece Restriction, laser beam has unlimited shape cutting ability；(3) be combined with computer, can whole plate discharge, save material.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (10)

1. a copper bar cutter sweep, including laser cutter and the controller that is connected with described laser cutter, its feature Being, described laser cutter is provided with nozzle, and described nozzle is provided with focus lamp, described nozzle alignment cellular board, utilizes control Device processed, according to copper bar to be cut, determines the cutting power of laser cutter, determines the position of copper bar to be cut, utilizes diced system Carry out copper bar cutting.

Copper bar cutter sweep the most according to claim 1, it is characterised in that also include high-pressure system, described high-pressure system At laser beam irradiation to copper bar surface, when making copper bar reach fusing point or boiling point, utilize the high pressure gas coaxial with light beam simultaneously The copper of fusing is blown away by body.

Copper bar cutter sweep the most according to claim 2, it is characterised in that utilize laser cutter to carry out copper bar cutting, By controlling nozzle and copper bar relative movement, and travel track is preset according to the demand of copper bar to be cut.

Copper bar cutter sweep the most according to claim 3, it is characterised in that utilize laser cutter to carry out copper bar cutting, Sputter aperture first with laser pulse moment on copper bar surface, then utilize laser Machining head and copper bar according to row in advance Enter track to advance, thus complete the copper bar shape preset.

Copper bar cutter sweep the most according to claim 4, it is characterised in that described laser cutter hot spot meets relation:

$d=2f\mathrm{\θ}+\frac{0.03D^3}{f^2}$

Wherein, spot diameter d, focal distance f, angle of divergence θ, lasing beam diameter D.

Copper bar cutter sweep the most according to claim 5, it is characterised in that before laser cutter cuts, to laser beam Carry out light beam focusing further, the depth of focus of adjustment focal position:

$F_{dep}=2Z_{ray}=\frac{2\×f^2\×\mathrm{\λ}}{D^2\×\mathrm{\π}\×K}$

Wherein, D is lasing beam diameter before focusing on, and K is beam quality factor.

Copper bar cutter sweep the most according to claim 6, it is characterised in that described copper bar cutter sweep side is provided with cold Radiator cooler.

Copper bar cutter sweep the most according to claim 7, it is characterised in that described copper bar cutter sweep side is provided with cold The most according to circumstances.

Copper bar cutter sweep the most according to claim 8, it is characterised in that described gases at high pressure are nitrogen.

Copper bar cutter sweep the most according to claim 9, it is characterised in that described gases at high pressure pressure is 5 MPa-20 MPa.