CN213614774U

CN213614774U - Gas blowing device and laser processing equipment

Info

Publication number: CN213614774U
Application number: CN202021692466.XU
Authority: CN
Inventors: 黄雪峰; 刘昊; 李博; 汪圣林; 姚语辰; 胡勇; 郭启军; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Han's Lithium Battery Intelligent Equipment Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-07-06
Anticipated expiration: 2030-08-13

Abstract

The utility model belongs to the technical field of laser processing, and relates to an air blowing device and laser processing equipment, wherein the air blowing device comprises a bracket and an air nozzle; the support is provided with a clearance hole and an air duct, and the clearance hole penetrates from the top to the bottom of the support; the air channel is arranged along the length direction of the support, the air inlet end of the air channel extends to one end part of the support along the length direction of the support, the air channel comprises a blocking part, and the blocking part is arranged in the middle of the air channel; the air cock sets up in the bottom of support and is located one side of avoiding the empty hole along the length direction of support, and the air cock is held the intercommunication with the giving vent to anger of air flue. The utility model provides a gas blowing device and laser processing equipment can ensure to wait to process the work piece when the welding surface can not by the oxidation, has still reduced the influence of work piece welding seam simultaneously, has improved the work piece performance.

Description

Gas blowing device and laser processing equipment

Technical Field

The utility model relates to a laser beam machining technical field especially relates to a gas blowing device and laser beam machining equipment.

Background

With the continuous improvement of the industrial production level, various industries pursue high-quality, high-efficiency and high-environment-friendly processing technology. Especially in laser processing, laser welding has the advantages of high density, high efficiency, high precision, non-contact and the like, so that the laser welding has wide application in the fields of aerospace, electronic devices, hardware products, automobiles and the like.

Taking laser welding as an example, laser welding is as a novel welding mode, and a blowing device is required to be added to avoid the workpiece to be processed from being oxidized like traditional welding. However, the protective gas blown out by the traditional blowing device has high initial speed, is difficult to regulate and control, has poor uniformity, influences the appearance of the welding seam and reduces the performance of the workpiece.

Therefore, a product that can solve the above problems is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solves and blows to the work piece welding seam and lead to influencing the technical problem of welding seam outward appearance form, reduction work piece performance.

In order to solve the technical problem, the embodiment of the utility model provides a gas blowing device and laser processing equipment has adopted following technical scheme:

the air blowing device comprises a bracket and an air nozzle;

the support is provided with a clearance hole and an air duct, and the clearance hole penetrates from the top to the bottom of the support;

the air channel is arranged along the length direction of the bracket, the air inlet end of the air channel extends to one end part of the bracket along the length direction of the bracket, the air channel comprises a blocking part, and the blocking part is arranged in the middle of the air channel;

the air cock is followed the length direction of support set up in the bottom of support just is located one side of avoiding the empty hole, the air cock with the end intercommunication of giving vent to anger of air flue.

Optionally, the airway comprises a first linear channel and a second linear channel;

one end of the first linear channel is an air inlet end of the air duct, the air inlet end extends to one end part of the bracket along the length direction of the bracket, and the other end of the first linear channel extends towards the other end of the bracket;

one end of the second linear channel is communicated with the other end of the first linear channel, the blocking portion is formed at the joint of the second linear channel and the first linear channel, the other end of the second linear channel is an air outlet end of the air channel, and the air outlet end extends to the bottom of the support.

Optionally, at least two air ducts are provided, the first linear channels corresponding to the air ducts are arranged in parallel along the height direction of the support, and the length of the first linear channel of each air duct gradually decreases in the direction toward the air nozzle.

Optionally, the air blowing device further comprises an adjusting piece, and the adjusting piece is arranged at the air inlet end of the air duct.

Optionally, the longitudinal section of the clearance hole is in the shape of an inverted right trapezoid.

Optionally, the air tap is provided with a cavity, and the cavity is communicated with the air outlet end of the air passage; and a gas outlet which is communicated with the cavity and faces the clearance hole is also formed in one side wall of the gas nozzle, and the gas outlet is arranged along the length direction of the gas nozzle.

Optionally, an adjusting hole is further formed in the air faucet, and the adjusting hole is used for adjusting the distance between the air outlet of the air faucet and the clearance hole.

Optionally, along the length direction of the air faucet, the side wall of the air faucet has an inclination angle.

Optionally, one air outlet is arranged and is long-strip-shaped;

or at least two air outlets are arranged, and the air outlets are arranged in parallel along the length direction of the air faucet.

In order to solve the technical problem, an embodiment of the utility model provides a still laser beam machining equipment, laser beam machining equipment includes foretell gas blowing device.

Compared with the prior art, the embodiment of the utility model provides a gas blowing device, gas blowing device and laser processing equipment mainly have following beneficial effect:

the air blowing device is characterized in that an air channel is formed in a support of the air blowing device, an air inlet end of the air channel extends to one end of the support, an air outlet end of the air channel extends to the bottom of the support and is communicated with an air faucet, and a blocking portion is arranged in the middle of the air channel. When external air supply inputs protective gas to the gas blowing device, the protective gas enters the air duct at a higher initial speed, the blocking part of the air duct is blocked and buffered, the flow rate of the protective gas is reduced, and the protective gas blows to the workpiece to be processed at a lower speed, so that the surface of the workpiece to be processed can be prevented from being oxidized when the workpiece is welded, and meanwhile, the influence of the welding seam of the workpiece is reduced, and the performance of the workpiece is improved.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings needed for describing the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. Wherein:

FIG. 1 is a schematic perspective view of an air blowing device according to an embodiment of the present invention;

FIG. 2 is a view in the direction A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic perspective view of the air faucet in fig. 1.

The reference numbers in the drawings are as follows:

100. a blowing device;

1. a support; 11. avoiding a void; 12. an air duct; 121. a first linear channel; 122. a second linear channel; 123. an air inlet end; 124. an air outlet end;

2. an air tap; 21. an air outlet; 22. an adjustment hole; 23. a cavity; 24. a side wall;

3. a fixing member; 31. an air inlet;

4. a clamping groove.

Detailed Description

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 herein in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, for example, the terms "length," "width," "height," "upper," "lower," "top," "bottom," "inner," "outer," "large," "small," etc., indicate orientations and positions based on the orientation or position illustrated in the drawings, are for convenience of description only and are not to be construed as limiting the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. The meaning of "plurality" is two or more unless specifically limited otherwise.

In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The embodiment of the present invention provides an air blowing device 100, as shown in fig. 1 to 3, the air blowing device 100 includes a support 1 and an air nozzle 2; the support 1 may be provided with a clearance hole 11 and an air duct 12, and the clearance hole 11 may penetrate from the top to the bottom of the support 1. In laser processing, a workpiece to be processed can be placed at the bottom of the bracket 1, and a laser beam emitted by a laser can penetrate through the clearance hole 11 to process a welding seam of the workpiece to be processed.

The air duct 12 may be disposed along the length direction of the support 1 along the support 1, and the air inlet end 123 of the air duct 12 may extend to one end of the support 1; the airway includes a blocking portion that may be disposed in the middle of the airway 12.

The air tap 2 may be disposed at the bottom of the bracket 1 along the length direction of the bracket 1 and located at one side of the clearance hole 11, and the air tap 2 may be communicated with the air outlet end 124 of the air duct 12.

It will be appreciated that the principle of operation of the insufflation apparatus 100 is generally as follows:

the air inlet end 123 of the air duct 12 is externally connected with an air source, the air source enters the air inlet end 123 of the air duct 12 through the air inlet end 123 at a high initial speed, and then the protective gas is blocked and buffered when passing through the blocking part, so that the speed of the protective gas is reduced; then the protective gas is ejected out of the gas nozzle 2 through the gas outlet end 124 of the gas passage 12 at a lower speed to blow the welding seam on the workpiece, so that the surface of the workpiece to be processed cannot be oxidized during welding, the influence of the welding seam of the workpiece is reduced, and the performance of the workpiece is improved.

It should be noted that, in order to facilitate understanding of the relative position relationship of the components of the present embodiment, one end of the bracket 1 having one open end of the clearance hole 11 is defined as the top of the bracket 1, one end of the bracket 1 having the other open end of the clearance hole 11 is defined as the bottom of the bracket 1, and the extending direction of the top and the bottom of the bracket 1 is defined as the height direction of the bracket 1; the extending direction of one end and the other end of the stent 1 is defined as the length direction of the stent 1. On this basis, in other members of the present embodiment, one end facing the extending direction from the bottom to the top of the rack 1 is defined as the top of the member, and one end facing the extending direction from the top to the bottom of the rack 1 is defined as the bottom of the member.

In summary, compared with the prior art, the air blowing device 100 has at least the following advantages:

the connection bent part of the first linear channel 121 and the second linear channel 122 of the gas blowing device 100 blocks and buffers the protective gas so as to reduce the speed of the protective gas, i.e. the surface of the workpiece to be processed can not be oxidized during welding, and meanwhile, the influence of the welding seam of the workpiece is reduced, and the performance of the workpiece is improved.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings 1 to fig.

In some embodiments, as shown in fig. 3, airway 12 includes a first linear channel 121 and a second linear channel 122; one end of the first linear channel 121 may be an air inlet end 123 of the air duct 12, the air inlet end 123 may extend to one end of the bracket 1, and the other end of the first linear channel 121 may extend toward the other end of the bracket 1. One end of the second linear channel 122 may communicate with the other end of the first linear channel 121, and a stopper may be formed at a junction of the second linear channel 122 and the first linear channel 121; the other end of the second linear channel 122 may be an air outlet end 124 of the air duct 12, and the air outlet end 124 may extend to the bottom of the bracket 1.

In some embodiments, as shown in fig. 3, at least two air ducts 12 may be provided, the first linear channels 121 corresponding to each air duct 12 are arranged along the height direction of the bracket 1, and the length of each first linear channel 121 decreases gradually in the direction toward the air nozzle 2. Specifically, in the present embodiment, as shown in fig. 3, four air ducts 12 are provided.

It can be understood that the lengths of the first linear channels 121 corresponding to the two air ducts 12 have a set difference, and correspondingly, the distances between the second linear channels 122 corresponding to the two air ducts 12 respectively have the same distance as the set difference, that is, the distances between the air outlets 124 corresponding to the two air ducts 12 respectively have the same distance as the set difference, so that the protection gas can uniformly enter the air faucet 2.

It will be understood that the above-mentioned set difference may be determined according to the actual length of the nozzle 2, and it is sufficient that the protection gas can uniformly enter the nozzle 2.

In some embodiments, the gas-blowing apparatus 100 further comprises an adjustment member (not shown) that can be disposed at the gas inlet end 123 of the gas duct 12 and that is used to adjust the initial velocity of the shielding gas when the external gas source is introduced into the gas-blowing apparatus 100, such as to reduce the initial velocity of the shielding gas when the shielding gas is introduced into the gas-blowing apparatus 100, so as to reduce the influence of the shielding gas on the weld pool of the workpiece. In this embodiment, the adjusting member may be a regulating valve.

In some embodiments, the longitudinal section of the clearance hole 11 may be in the shape of an inverted right trapezoid when cut along the width direction of the bracket 1, that is, the clearance hole 11 is in the shape of an inverted right trapezoid; the end of clearance hole 11 with the larger cross section may be located at the top of bracket 1, and the end of clearance hole 11 with the smaller cross section may be located at the bottom of bracket 1. Because air cock 2 sets up in the bottom of support 1 and is located one side of clearance hole 11, can know that clearance hole 11 is the right trapezoid poroid and can make air cock 2 not expose in clearance hole 11 department to during laser welding, the laser beam can not accidentally injure air cock 2.

In some embodiments, as shown in fig. 1 and 3, the air blowing device 100 further includes a fixing member 3, the fixing member 3 may be disposed at one end of the bracket 1, and an air inlet 31 is opened on an end surface of the fixing member 3 corresponding to the air inlet end 123 of the air duct 12.

In some embodiments, as shown in fig. 3 and 4, the air faucet 2 may be provided with a cavity 23, and the cavity 23 may be communicated with the air outlet end 124 of the air duct 12; one side wall of the air tap 2 can be further provided with an air outlet 21 which is communicated with the cavity 23 and faces the clearance hole 11, and the air outlet 21 can be arranged along the length direction of the air tap 2 so that the protective gas can be sprayed to the welding seam of the workpiece.

In some embodiments, as an implementation manner of the air faucet 2, a groove may be opened at the top of the air faucet 2, and the cavity 23 may be enclosed by the groove and the bottom of the bracket 1.

Alternatively, as another implementation of the air faucet 2, the cavity 23 may be directly and integrally formed by the air faucet 2.

In some embodiments, as shown in fig. 4, the air faucet 2 may further have an adjusting hole 22, and the adjusting hole 22 may be used to adjust a distance between the air outlet 21 of the air faucet 2 and the clearance hole 11, so as to increase welding adaptability to welds with different widths, and avoid a disadvantage that the air faucet 2 is too far away from the weld of the workpiece to cause a poor blowing effect, or a disadvantage that the air faucet 2 is too close to the weld of the workpiece to block a laser beam. In this embodiment, the adjusting hole 22 may be a U-shaped threaded hole.

In some embodiments, as shown in FIG. 4, the side walls of the air cap 2 may have an inclination along the length of the air cap 2 to adjust the air blowing angle for optimizing the weld formation of the workpiece. Preferably, the inclination angle may range from 15 ° to 45 °.

In some embodiments, as an implementation manner of the gas outlet 21, as shown in fig. 4, one gas outlet 21 may be provided, and may have a long shape, so that the shielding gas can be blown to the weld seam on the workpiece in a wide range and uniformly;

alternatively, as another practical way of the gas outlets 21, at least two gas outlets 21 may be provided, and each gas outlet 21 is arranged in parallel along the length direction of the gas nozzle 2, so that the shielding gas can be uniformly blown to the weld on the workpiece in a wide range.

In some embodiments, as shown in fig. 1 and 3, the air blowing device further includes a clamping groove 4, the clamping groove 4 is disposed at the bottom of the bracket 1, and the clamping groove 4 is provided with the air nozzle 2 to limit the installation position of the air nozzle 2.

In some embodiments, the shielding gas may be an inert gas.

The embodiment of the utility model provides a still provide a laser processing equipment, this laser processing equipment includes foretell gas blowing device.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An air blowing device is characterized by comprising a bracket and an air nozzle;

2. The insufflation apparatus of claim 1 in which the airway includes a first linear passage and a second linear passage;

3. The insufflation apparatus according to claim 2, wherein at least two air ducts are provided, the first linear passages corresponding to the air ducts are arranged in parallel in a height direction of the support, and a length of the first linear passage of each air duct is gradually reduced in a direction toward the air nozzle.

4. The insufflation apparatus of claim 1 further comprising an adjustment member disposed at the air inlet end of the airway.

5. An air blowing device as claimed in claim 1, wherein the longitudinal section of the clearance hole has an inverted right-angled trapezoid shape.

6. The blowing device as claimed in any one of claims 1 to 5, wherein the air tap is provided with a cavity, and the cavity is communicated with the air outlet end of the air duct; and a gas outlet which is communicated with the cavity and faces the clearance hole is also formed in one side wall of the gas nozzle, and the gas outlet is arranged along the length direction of the gas nozzle.

7. The blowing device as claimed in claim 6, wherein the nozzle further defines an adjusting hole for adjusting a distance between the air outlet of the nozzle and the clearance hole.

8. An air blowing apparatus as claimed in claim 6, wherein the side wall of the air cap has an inclination along the length of the air cap.

9. An air blowing device according to claim 6, wherein one of the air outlets is provided and has an elongated shape;

10. A laser machining apparatus, characterized in that the laser machining apparatus comprises an air blowing device according to any one of claims 1 to 9.