CN214046100U

CN214046100U - Plasma nozzle

Info

Publication number: CN214046100U
Application number: CN202120116863.0U
Authority: CN
Inventors: 蔡卫
Original assignee: Shenzhen Sing Fung Intelligent Manufacturing Co ltd
Current assignee: Shenzhen Sing Fung Intelligent Manufacturing Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-08-24
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a plasma nozzle, including the nozzle body, the relative both ends of nozzle body are equipped with first spout and second spout respectively, and first spout and second spout are the diameter that circular and first spout are greater than the diameter of second spout respectively, and this internal injection passageway that is equipped with intercommunication first spout and second spout of nozzle, and the internal perisporium of injection passageway is the toper, and the one end that the nozzle body has the second spout still is equipped with a plurality of third spouts, and the third spout is linear and the third spout is radial arrangement, third spout and injection passageway intercommunication. The utility model provides a plasma nozzle produces length and is 30 ~ 40mm plasma flame to plasma flame's temperature in the twinkling of an eye can reach more than 200 ℃, in order to reach the required temperature of processing metal product, can handle the metal product of multiple size, and the commonality is strong.

Description

Plasma nozzle

Technical Field

The utility model relates to a plasma treatment facility technical field especially relates to a plasma nozzle.

Background

The plasma is an ionized gaseous substance consisting of positive and negative ions generated after atoms and radicals are ionized after part of electrons are deprived, the plasma is a good electric conductor, the plasma can be captured, moved and accelerated by utilizing an ingeniously designed magnetic field, and the development of the plasma physics provides new technology and process for the further development of materials, energy sources, information, environmental space, space physics, geophysical and other science, so that the application of the plasma is very wide, and comprises the digital industry, the electronic industry, the automobile industry, the printing and packaging industry and the like.

The existing plasma treatment equipment mainly comprises a rotary spray gun, a direct current spray gun and a wide-range plasma machine, the length of plasma flame generated by the conventional direct current spray gun is generally 0-20 mm, the short length results in an insufficient treatment range, the treatment requirement of large-size metal products cannot be met, the instantaneously generated temperature is low, and the effect of treating the metal products is not ideal, so that a plasma nozzle capable of enabling the direct current spray gun to generate flame with a long length is needed, the treatment range of the direct current spray gun is enlarged, the instantaneously generated temperature of the direct current spray gun is increased, and the metal products are favorably subjected to high-temperature treatment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provided is a plasma nozzle capable of performing high-temperature treatment on a metal product.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a plasma nozzle, includes the nozzle body, the relative both ends of nozzle body are equipped with first spout and second spout respectively, first spout with the second spout is circular just respectively the diameter of first spout is greater than the diameter of second spout, this internal intercommunication that is equipped with of nozzle first spout with the jet passage of second spout, jet passage's internal perisporium is the toper, the nozzle body has the one end of second spout still is equipped with a plurality of third spouts, the third spout is linear just the third spout is radial arrangement, the third spout with jet passage intercommunication.

Furthermore, the number of the third nozzles is twelve, and twelve third nozzles are arranged at equal intervals.

Further, the width of the third nozzle is 0.5 mm.

Further, the side wall of one side, away from the injection channel, of the third nozzle opening is a first side wall, and the distance between one end, close to the first nozzle opening, of the first side wall and the axis of the injection channel is greater than the distance between one end, close to the second nozzle opening, of the first side wall and the axis of the injection channel.

Further, the diameter of the first nozzle is 15 mm.

Further, the diameter of the second nozzle is 3 mm.

Further, be equipped with screw thread portion on the periphery wall of nozzle body, screw thread portion encircles first spout sets up.

Furthermore, an inwards concave notch is formed in the peripheral wall of the nozzle body.

Further, the notch is a plane with the length of 22mm and the width of 12 mm.

Furthermore, the nozzle body is made of stainless steel.

The beneficial effects of the utility model reside in that: the utility model provides a plasma nozzle installs in the one end of plasma torch blowout plasma, the plasma that the spray gun produced gets into plasma nozzle's injection passage from first spout, and spout the external formation plasma flame to through second spout and third spout, the internal perisporium of injection passage is the toper and makes plasma torch production energy more and more concentrate when the plasma flows to second spout and third spout, and fully release from second spout and third spout, with length and the temperature that improves plasma flame. The plasma nozzle can generate plasma flame with the length of 30-40 mm, the instantaneous temperature of the plasma flame can reach more than 200 ℃, the temperature required by metal product treatment is achieved, metal products with various sizes can be treated, and the universality is high.

Drawings

Fig. 1 is a schematic structural diagram of a plasma nozzle according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the plasma nozzle according to the first embodiment of the present invention;

fig. 3 is a cross-sectional view of a plasma nozzle according to a first embodiment of the present invention;

fig. 4 is a front view of a plasma nozzle according to a first embodiment of the present invention;

fig. 5 is a rear view of a plasma nozzle according to a first embodiment of the present invention;

fig. 6 is a graph of the width of the third nozzle hole of the plasma nozzle according to the first embodiment of the present invention and the length/temperature of the plasma flame.

Description of reference numerals:

1. a nozzle body; 2. a first nozzle; 3. a second nozzle; 4. an injection channel; 5. a third nozzle; 51. a first side wall; 6. a threaded portion; 7. a notch.

Detailed Description

In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 5, a plasma nozzle includes a nozzle body 1, a first nozzle 2 and a second nozzle 3 are respectively disposed at two opposite ends of the nozzle body 1, the first nozzle 2 and the second nozzle 3 are respectively circular, a diameter of the first nozzle 2 is larger than a diameter of the second nozzle 3, an injection channel 4 communicating the first nozzle 2 with the second nozzle 3 is disposed in the nozzle body 1, an inner circumferential wall of the injection channel 4 is tapered, one end of the nozzle body 1 having the second nozzle 3 is further provided with a plurality of third nozzles 5, the third nozzles 5 are linear, the third nozzles 5 are radially arranged, and the third nozzles 5 are communicated with the injection channel 4.

The utility model discloses a structural principle brief follows as follows: the plasma nozzle comprises a nozzle body 1, a first nozzle 2 communicated with a plasma torch and a second nozzle 3 for spraying plasma are respectively arranged at two ends of the nozzle body 1, the first nozzle 2 and the second nozzle 3 are both circular, the diameter of the first nozzle 2 is larger than that of the second nozzle 3, a conical spraying channel 4 is arranged in the nozzle body 1, two ends of the spraying channel 4 are respectively connected with the first nozzle 2 and the second nozzle 3, one end of the nozzle body 1 with the second nozzle 3 is also provided with a plurality of linear third nozzles 5, the plurality of third nozzles 5 are radially arranged and communicated with the spraying channel 4, plasma generated by the plasma torch enters the nozzle body 1 from the first nozzle 2, energy of the plasma is concentrated to the second nozzle 3 and the third nozzle 5 in the moving process of the plasma in the spraying channel 4 and is outside the nozzle body 1 from the second nozzle 3 and the third nozzle 5, the energy is more concentrated and uniformly released when the plasma is sprayed out, so that the length and the temperature of the plasma flame are improved.

From the above description, the beneficial effects of the present invention are: the utility model provides a plasma nozzle can produce length and be 30 ~ 40mm plasma flame to plasma flame's temperature in the twinkling of an eye can reach more than 200 ℃, reaches the required temperature of processing metal product, and can handle the metal product of multiple size, and the commonality is strong.

Furthermore, the number of the third nozzles 5 is twelve, and twelve third nozzles 5 are arranged at equal intervals.

Further, the width of the third nozzle 5 is 0.5 mm.

As can be seen from the above description, the twelve third nozzles 5 are arranged in a radial shape at equal intervals, so that the plasma flame is uniformly sprayed out from the second nozzles 3 and the third nozzles 5 after being fully ionized, and meanwhile, the plurality of third nozzles 5 for spraying the plasma are arranged to avoid insufficient plasma release caused by undersize of the second nozzles 3 and the third nozzles 5.

Further, a side wall of a side of the third nozzle 5 away from the injection channel 4 is a first side wall 51, and a distance between one end of the first side wall 51 close to the first nozzle 2 and an axis of the injection channel 4 is greater than a distance between one end of the first side wall 51 close to the second nozzle 3 and the axis of the injection channel 4.

As can be seen from the above description, the inclined arrangement of the first side wall 51 of the third nozzle 5 is beneficial to further concentrate the plasma and increase the length and temperature of the plasma flame.

Further, the diameter of the first nozzle 2 is 15 mm.

Further, the diameter of the second nozzle 3 is 3 mm.

Further, the outer peripheral wall of the nozzle body 1 is provided with a threaded portion 6, and the threaded portion 6 surrounds the first nozzle 2.

As is apparent from the above description, the screw part 6 provided on the nozzle body 1 serves to connect the plasma nozzle and the plasma torch, to tightly connect the plasma nozzle and the plasma torch, and to prevent plasma from leaking from a gap between the plasma nozzle and the plasma torch.

Furthermore, an inwards concave notch 7 is formed in the peripheral wall of the nozzle body 1.

Further, the notch 7 is a plane with the length of 22mm and the width of 12 mm.

As can be seen from the above description, the provision of the notch 7 on the nozzle body 1 facilitates the stable connection of the plasma nozzle to the plasma torch by rotating the nozzle body 1 with a wrench or a caliper, or the convenient removal of the plasma nozzle from the plasma torch.

Further, the nozzle body 1 is made of stainless steel.

According to the description, the plasma nozzle is made of stainless steel, so that the structure of the plasma nozzle is stable, the high-temperature resistance and the corrosion resistance of the plasma nozzle are improved, the plasma nozzle can work in a high-temperature environment for a long time, and the service life of the plasma nozzle is prolonged.

Example one

Referring to fig. 1 to 5, a first embodiment of the present invention is: a plasma nozzle is arranged at one end of a plasma jet which strongly sprays plasma, and is used for concentrating and then spraying the plasma flowing through the plasma nozzle to generate plasma flame with the length of 30-40 mm and the temperature of more than 200 ℃, so that the high-temperature treatment requirements of metal products with various sizes are met.

As shown in fig. 1 and 2, the plasma nozzle includes a nozzle body 1, a first nozzle 2 and a second nozzle 3 are respectively disposed at two opposite ends of the nozzle body 1, an injection passage 4 communicating the first nozzle 2 with the second nozzle 3 is disposed in the nozzle body 1, the first nozzle 2 and the second nozzle 3 are both circular, the diameter of the first nozzle 2 is greater than that of the second nozzle 3, and the inner peripheral wall of the injection passage 4 communicating the first nozzle 2 with the second nozzle 3 is conical. The nozzle body 1 is provided with a plurality of third nozzles 5 at one end of the second nozzle 3, the third nozzles 5 are linear, the third nozzles 5 surround the first nozzle 2 and are arranged in a radial shape, and the third nozzles 5 are communicated with the injection channel 4.

Specifically, the first nozzle 2 is used for communicating with a plasma torch, plasma generated by the plasma torch enters the injection channel 4 through the first nozzle 2, and in the process that the plasma moves to the second nozzle 3 and the third nozzle 5 along the injection channel 4, because the inner peripheral wall of the injection channel 4 is conical, the plasma is gradually concentrated to the second nozzle 3 and the third nozzle 5 and is sprayed out of the nozzle body 1 from the second nozzle 3 and the third nozzle 5, and then plasma flame is generated.

Optionally, be equipped with screw thread portion 6 on the periphery wall of nozzle body 1, screw thread portion 6 sets up the tip of nozzle body 1 and encircles first spout 2 sets up, screw thread portion 6 is used for fixing with plasma torch, will simultaneously nozzle body 1 seals with plasma torch's junction, prevents that plasma from following nozzle body 1 and plasma torch's junction is revealed. Still be equipped with notch 7 of indent on the periphery wall of nozzle body 1, notch 7 is located the middle part of nozzle body 1, the quantity of notch 7 is two and two notch 7 sets up relatively, sets up notch 7 supplies spanner or calliper centre gripping nozzle body 1 and rotation nozzle body 1, be convenient for with nozzle body 1 is installed to plasma spray gun on or will nozzle body 1 is pulled down from plasma spray gun, notch 7 is preferably long 22mm, wide 12 mm's plane, makes spanner or calliper can stabilize the centre gripping nozzle body 1.

Preferably, the plasma nozzle is made of stainless steel, so that the plasma nozzle has good high-temperature resistance and corrosion resistance, the structural stability of the plasma nozzle is improved, and the plasma nozzle can work in a high-temperature environment for a long time.

As shown in fig. 3, a side wall of the third nozzle orifice 5 away from the injection channel 4 is a first side wall 51, a distance between one end of the first side wall 51 close to the first nozzle orifice 2 and an axis of the injection channel 4 is greater than a distance between one end of the first side wall 51 close to the second nozzle orifice 3 and the axis of the injection channel 4, that is, the first side wall 51 is disposed obliquely with respect to the axis of the injection channel 4, so that the plasma is guided by the first side wall 51 to move toward the direction close to the second nozzle orifice 3, which is beneficial to further concentrating the plasma toward the second nozzle orifice 3.

Referring to fig. 4 and 5, the number of the third nozzles 5 is twelve, twelve third nozzles 5 are arranged at equal intervals in the circumferential direction of the second nozzle 3 and are respectively communicated with the second nozzle 3, the uniformly distributed third nozzles 5 can ensure that plasma flame is uniformly ejected from the second nozzle 3 and the third nozzles 5 after being sufficiently ionized, and the arrangement of the plurality of third nozzles 5 can avoid insufficient plasma release caused by the undersize of the second nozzle 3 and the third nozzles 5.

In this embodiment, the diameter of the first nozzle 2 is 15mm to ensure that the first nozzle 2 communicates with the plasma torch. The diameter of the second nozzle 3 is 3mm, so that the density of the plasma sprayed by the plasma nozzle and the length and temperature of the plasma flame meet the use requirements, and the excessive diameter of the second nozzle 3 can cause the excessive gas output in the second nozzle 3 to blow away the plasma, thereby reducing the density of the plasma and shortening the plasma flame; when the diameter of the second nozzle 3 is too small, the amount of plasma ejected is reduced, which results in a reduction in the length of the plasma flame, and thus the use requirement of a metal product with a certain size cannot be satisfied.

As shown in fig. 6, the width of the third nozzle 5 is 0.5mm to ensure that the plasma nozzle can generate a plasma flame with a length of 30-40 mm and reach a processing temperature of 200 ℃ or higher. As can be seen from the graph shown in fig. 6, when the width of the third nozzle 5 is less than 0.5mm, the length of the plasma flame is short and unstable, and the amount of plasma ejection is small due to the excessively narrow diameter of the third nozzle 5, so that the temperature angle of the generated plasma flame is low and cannot meet the processing requirement of the metal product; when the diameter of the third nozzle 5 is larger than 0.5mm, the amount of the plasma sprayed is increased, and the gas in the plasma torch drives the incompletely ionized gas to be sprayed out of the third nozzle 5 due to pressure difference, so that the plasma is dispersed, the density of the plasma is reduced, the length of plasma flame is reduced, the temperature cannot meet the requirement, and the treatment of the metal product is not facilitated.

To sum up, the utility model provides a plasma nozzle easy dismounting can produce and satisfy the required plasma flame of metal product processing to can carry out surface treatment to the metal product of multiple size, the commonality is good, and has good high temperature resistance and corrosion resisting property, long service life.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. A plasma nozzle, comprising a nozzle body, characterized in that: the relative both ends of nozzle body are equipped with first spout and second spout respectively, first spout with the second spout is circular just respectively the diameter of first spout is greater than the diameter of second spout, this internal intercommunication that is equipped with of nozzle first spout with the jet passage of second spout, jet passage's internal perisporium is the toper, the nozzle body has the one end of second spout still is equipped with a plurality of third spouts, the third spout is linear just the third spout is radial arrangement, the third spout with jet passage intercommunication.

2. The plasma nozzle of claim 1, wherein: the number of the third nozzles is twelve, and twelve third nozzles are arranged at equal intervals.

3. The plasma nozzle of claim 1, wherein: the width of the third nozzle is 0.5 mm.

4. The plasma nozzle of claim 1, wherein: the side wall of one side of the third nozzle, which is far away from the injection channel, is a first side wall, and the distance between one end of the first side wall, which is close to the first nozzle, and the axis of the injection channel is greater than the distance between one end of the first side wall, which is close to the second nozzle, and the axis of the injection channel.

5. The plasma nozzle of claim 1, wherein: the diameter of the first nozzle is 15 mm.

6. The plasma nozzle of claim 1, wherein: the diameter of the second nozzle is 3 mm.

7. The plasma nozzle of claim 1, wherein: be equipped with screw thread portion on the periphery wall of nozzle body, screw thread portion encircles first spout sets up.

8. The plasma nozzle of claim 1, wherein: the periphery wall of the nozzle body is provided with an inwards concave notch.

9. The plasma nozzle of claim 8, wherein: the notch is a plane with the length of 22mm and the width of 12 mm.

10. The plasma nozzle of claim 1, wherein: the nozzle body is made of stainless steel.