CN219520826U

CN219520826U - Laser edge sealing device with temperature control structure

Info

Publication number: CN219520826U
Application number: CN202320238409.1U
Authority: CN
Inventors: 何天助; 邹维
Original assignee: Shenzhen Ruifa Intelligent Technology Co ltd
Current assignee: Shenzhen Ruifa Intelligent Technology Co ltd
Priority date: 2023-02-04
Filing date: 2023-02-04
Publication date: 2023-08-15
Anticipated expiration: 2033-02-04

Abstract

The utility model discloses a laser edge sealing device with a temperature control structure, which relates to the technical field of laser welding and comprises an optical fiber access assembly, a collimating lens assembly, a focusing lens assembly and a light outlet, wherein the optical fiber access assembly, the collimating lens assembly, the focusing lens assembly and the light outlet are sequentially connected. In the utility model, the temperature monitoring module and the focusing protection lens are arranged, so that the focusing lens assembly can be prevented from being damaged due to overhigh temperature.

Description

Laser edge sealing device with temperature control structure

Technical Field

The utility model belongs to the technical field of laser welding, and particularly relates to a laser edge sealing structure.

Background

In many existing working scenarios, laser welding is required to achieve edge sealing of products, and an important device is a laser edge sealing head. The laser edge sealing head is usually provided with a QBH joint for connecting and fixing a light laser, then laser is emitted from the inside of an optical fiber, the laser is received and shaped through a collimating lens module, the shaped laser is directly irradiated onto a swinging motor reflection module, the motor swings at high frequency to enable the reflection lens to light to a focusing lens, a focusing energy focus is formed after the laser passes through the focusing module, the motor swing frequency is increased, focus dots can be changed into lines from points, and therefore edge sealing of products in different scenes is adapted.

However, since dust pollution is usually generated in the field working environment, dust accumulation is likely to occur on the internal optical precision components, particularly on the lens, and once dust accumulation occurs, a large amount of heat is generated after laser passes through the lens, so that the lens is damaged.

In addition, since the product itself generates a large amount of heat even when it works for a long time, the existing product has no good heat dissipation structure, so that the service life of the product is reduced.

Disclosure of Invention

In order to solve the above problems, a primary object of the present utility model is to provide a laser edge sealing device with a temperature control structure, which has a protective lens, so as to avoid directly stacking ash layers on an important lens as much as possible, and further realize temperature monitoring of the protective lens during working, and prevent the protective lens from being damaged due to overhigh temperature.

The utility model further aims to provide the laser edge sealing device with the temperature control structure, which has a heat dissipation structure, can realize good heat dissipation, and further ensures long-time normal work of products.

Another object of the present utility model is to provide a laser edge banding device with a temperature control structure,

in order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a take laser banding device of control by temperature change structure, includes optic fibre access subassembly, collimating lens subassembly, focusing lens subassembly and light outlet, optic fibre access subassembly, collimating lens subassembly, focusing lens subassembly and light outlet connect gradually, its characterized in that, focusing lens subassembly includes focus casing, focus protection lens, focus lens and temperature monitoring module, the focus casing has the inner chamber, and focus protection lens and focus lens are all installed in the inner chamber, focus protection lens and light outlet are located focus lens's both sides respectively, temperature monitoring module installs on focus casing, and temperature monitoring module's control end corresponds with focus protection lens position. Preferably, the temperature monitoring module comprises a PCB and a temperature sensor, the probe of the temperature sensor corresponds to the position of the focusing protection lens, and the PCB is electrically connected with the temperature sensor.

Compared with the prior art, the utility model can prevent dust generated in the use environment or in the processing process of the device from being directly accumulated on the focusing lens by arranging the focusing protection lens in front of the focusing lens, and the dust is blocked by the focusing protection lens to be accumulated on the focusing protection lens, thereby preventing the focusing lens from being heated and damaged due to accumulated dust. In addition, as the temperature monitoring module is arranged, and the monitoring end of the temperature monitoring module corresponds to the position of the focusing protection lens, the temperature of the focusing protection lens can be monitored at any time, and the focusing protection lens is prevented from being accumulated with excessive dust, heated seriously and damaged. Specifically, the temperature monitoring module can give an alarm in time when the focus protection lens is polluted, so that an operator is prompted, the operator can check the focus protection lens in time, the safety of the operator is further guaranteed, and the probability of edge sealing quality problem occurrence caused by damage of the focus protection lens is also reduced.

Further, the fiber access component is a QBH connector.

Further, the collimating lens component comprises a collimating shell, a collimating lens and a collimating protection lens, wherein the collimating lens and the collimating protection lens are sequentially arranged in the collimating shell, and the collimating lens and the optical fiber access component are respectively positioned at two sides of the collimating protection lens. The arrangement of the collimation protection lens can also protect the collimation lens, and dust entering from the optical fiber access assembly is prevented from being directly accumulated on the collimation lens, so that the collimation lens is seriously heated and damaged.

Further, the focusing protection lens and the focusing lens are mounted on the inner wall of the focusing shell through mounting pieces, and the mounting pieces are provided with gas through holes. The mounting piece is conventional mounting structures such as rubber ring, plastic installing support, and the like, and is mainly used for realizing the installation of focus protection lens and focus lens, and simultaneously realizing certain sealing effect to the periphery of focus protection lens and focus lens. The arrangement of the gas through holes can realize sealing of the focusing protection lens and the periphery side of the focusing lens and simultaneously provide a channel for internal gas flow.

Further, the device also comprises a gas interface, wherein the gas interface is arranged on the focusing shell and is communicated with the inner cavity of the focusing shell, and the gas interface, the inner cavity, the gas through hole and the light outlet are combined to form a gas flow channel. When the device specifically works, the gas interface is connected with gas, the gas enters the inner cavity and flows out from the light outlet through the gas through hole, on one hand, the gas can take away heat in the inner cavity through the design, and in addition, dust in the inner cavity can be taken away, so that the dust is prevented from accumulating in the inner cavity to influence the normal work of the device, and even the device is damaged. The device has the important function that the device can form an outward airflow at the light outlet, so that dust in the environment or splashes in the processing process can be prevented from entering the inner cavity through the light outlet and attached to the focusing lens, and the focusing lens is protected.

Further, the device also comprises a motor component, wherein the output end of the motor component is connected with a reflecting lens, the motor component is arranged on the side surface of the focusing shell, and the reflecting lens is positioned between the collimating lens and the focusing protection lens. When the laser device works, laser sequentially passes through the collimating lens, the reflecting lens, the focusing protection lens and the focusing lens and then is emitted from the light outlet. The motor assembly is a motor which can normally and reversely rotate, the motor output shaft is connected with the reflecting mirror, and the motor can be reversely rotated to swing the reflecting mirror, so that the reflecting direction of light can be adjusted. After the swinging frequency reaches a certain value, the focus dots of the light rays coming out of the light outlet can be changed from points to lines, so that the edge sealing device is suitable for products in different scenes.

Further, the device also comprises a sealing cover, and the sealing cover is hinged to one side of the light outlet. The sealing cover can be covered at the light outlet when the device is not in use, so that the light outlet is sealed, and a focusing lens in the light outlet is protected.

Further, the device also comprises a mounting seat, wherein the mounting seat is fixed at the bottom of the focusing shell, and a plurality of mounting positions are arranged on the mounting seat. The function of the mounting seat is to facilitate the installation and the fixation of the device in a machine tool or other use scenes. The mounting location is preferably a threaded hole.

Further, the device also comprises a water inlet, a water outlet and a cooling water channel, wherein the water inlet, the cooling water channel and the water outlet are sequentially connected to form a heat dissipation runner. The water inlet, the water outlet and the cooling water channel can strengthen the heat dissipation performance of the device and prolong the service life of the device.

Further, the water inlet and the water outlet are arranged on the collimation shell, the cooling water channel penetrates through the collimation shell and the focusing shell, and two ends of the cooling water channel are respectively communicated with the water inlet and the water outlet.

The utility model has the advantages that: compared with the prior art, in the utility model, the focusing protection lens is arranged in front of the focusing lens, so that dust generated in the use environment of the device or in the processing process can be prevented from being directly accumulated on the focusing lens, but is blocked by the focusing protection lens to be accumulated on the focusing protection lens, and the focusing lens is prevented from being heated and damaged due to accumulated dust. In addition, as the temperature monitoring module is arranged, and the monitoring end of the temperature monitoring module corresponds to the position of the focusing protection lens, the temperature of the focusing protection lens can be monitored at any time, and the focusing protection lens is prevented from being accumulated with excessive dust, heated seriously and damaged.

Drawings

Fig. 1 is a schematic view of a first angle structure of the present utility model.

Fig. 2 is a schematic view of a second angle configuration of the present utility model.

Fig. 3 is a schematic view of a first angular configuration of the focusing housing and collimating housing hidden from view in accordance with the present utility model.

Fig. 4 is a schematic view of a second angular configuration of the present utility model concealing the focusing and collimating housings.

Fig. 5 is a schematic view of a third angular structure of the present utility model.

Fig. 6 is a schematic cross-sectional structure at B-B in fig. 5.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

referring to fig. 1-6, the utility model provides a laser edge sealing device with a temperature control structure, which comprises an optical fiber access component 1, a collimating lens component 2, a focusing lens component 3 and a light outlet 4, wherein the optical fiber access component 1, the collimating lens component 2, the focusing lens component 3 and the light outlet 4 are sequentially connected, and the laser edge sealing device is characterized in that the focusing lens component 3 comprises a focusing shell 31, a focusing protection lens 32, a focusing lens 33 and a temperature monitoring module 34, the focusing shell 31 is provided with an inner cavity, the focusing protection lens 32 and the focusing lens 33 are both arranged in the inner cavity, the focusing protection lens 32 and the light outlet 4 are respectively positioned at two sides of the focusing lens 33, the temperature monitoring module 34 is arranged on the focusing shell 31, and the monitoring end of the temperature monitoring module 34 corresponds to the position of the focusing protection lens 32.

In the present utility model, compared with the prior art, by providing the focus protection lens 32 before the focus protection lens 33, dust generated in the use environment of the apparatus or during the processing can be prevented from being directly accumulated on the focus protection lens 33, but accumulated on the focus protection lens 32 through the blocking of the focus protection lens 32, thereby preventing the focus lens from being damaged by heat generated due to accumulated dust. In addition, since the temperature monitoring module 34 is provided, and the monitoring end of the temperature monitoring module 34 corresponds to the position of the focus protection lens 32, the temperature of the focus protection lens 32 can be monitored constantly, so that the focus protection lens 3 is prevented from being seriously damaged due to excessive dust accumulation and heating.

In this embodiment, the fiber optic access assembly 1 is a QBH connector.

In this embodiment, the collimating lens assembly 2 includes a collimating housing 21, a collimating lens 22 and a collimating protective lens 23, the collimating lens 22 and the collimating protective lens 23 are sequentially installed in the collimating housing 21, and the collimating lens 21 and the optical fiber access assembly 1 are respectively located at two sides of the collimating protective lens 23. The arrangement of the collimating and protecting lens 23 can also protect the collimating lens 22, so as to prevent dust entering from the optical fiber access assembly 1 from directly accumulating on the collimating lens 22, and cause serious heating and damage of the collimating lens 22.

In the present embodiment, the focus protection lens 32 and the focus lens 33 are each mounted on the inner wall of the focus housing 3 by the mount 5, and the mount 5 is provided with the gas through hole 6. The mounting member 5 is a conventional mounting structure such as a rubber ring and a plastic mounting bracket, and is mainly used for mounting the focus protection lens 32 and the focus lens 33 and realizing a certain sealing effect on the periphery of the focus protection lens 3 and the periphery of the focus lens. The provision of the gas through holes 6 can provide a passage for the flow of the internal gas while sealing the peripheral sides of the focus protection lens 3 and the focus lens 33.

In this embodiment, the device further comprises a gas port 7, the gas port 7 is mounted on the focusing housing 31 and communicates with the inner cavity of the focusing housing 33, and the gas port 7, the inner cavity, the gas through hole 6 and the light outlet 4 are combined to form a gas flow channel. When the device specifically works, the gas interface 7 is connected with gas, the gas enters the inner cavity and flows out from the light outlet 4 through the gas through hole 6, on one hand, the gas can take away heat in the inner cavity through the design, and in addition, dust in the inner cavity can be taken, so that the dust is prevented from accumulating in the inner cavity to influence the normal work of the device and even damage the device. It is also important that the arrangement described above is capable of creating an outward air flow at the light outlet 4, preventing dust in the environment or splashes during processing from entering the cavity through the light outlet 4 and adhering to the focusing lens 33, thereby protecting the focusing lens 33.

In this embodiment, the apparatus further comprises a motor assembly 8, the output end of the motor assembly 8 is connected with a reflecting lens 9, the motor assembly 8 is mounted on the side surface of the focusing shell 31, and the reflecting lens 9 is located between the collimating lens 22 and the focusing protection lens 32. In operation, laser light passes through the collimator lens 22, the reflector lens 9, the focus protection lens 32 and the focus lens 33 in order and then exits from the light outlet 4. The motor assembly 8 is a motor capable of conducting forward and reverse rotation in a conventional mode, an output shaft of the motor is connected with the reflecting mirror 9, forward and reverse rotation of the motor can be converted into swing of the reflecting mirror 9, and then the reflecting direction of light is adjusted. After the frequency of the swing reaches a certain value, the focus dot of the light rays coming out of the light outlet 4 can be changed from a point to a line, so that the product edge sealing of different scenes is adapted.

In this embodiment, the device further comprises a sealing cover 10, and the sealing cover 10 is hinged at one side of the light outlet 4. The sealing cover 10 can be arranged to cover the light outlet 4 when the device is not in use, so as to seal the light outlet 4 and protect the focusing lens 33 in the light outlet 4.

In this embodiment, the device further includes a mounting seat 11, the mounting seat 11 is fixed at the bottom of the focusing housing 31, and a plurality of threaded holes are provided on the mounting seat 11. The function of the mounting seat 11 is to facilitate the mounting and fixing of the device in a machine tool or other use scenario.

In this embodiment, the device further includes a water inlet 12, a water outlet 13, and a cooling water channel 14, where the water inlet 12, the cooling water channel 14, and the water outlet 13 are sequentially connected to form a heat dissipation channel. The water inlet 12, the water outlet 13 and the cooling water channel 14 can strengthen the heat dissipation performance of the device and prolong the service life of the device.

In the present embodiment, the water inlet 12 and the water outlet 13 are provided on the collimating housing 21, the cooling water passage 14 penetrates the collimating housing 21 and the focusing housing 31, and both ends of the cooling water passage 14 communicate with the water inlet 12 and the water outlet, respectively.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a take laser banding device of control by temperature change structure, includes optic fibre access subassembly, collimating lens subassembly, focusing lens subassembly and light outlet, optic fibre access subassembly, collimating lens subassembly, focusing lens subassembly and light outlet connect gradually, its characterized in that, focusing lens subassembly includes focus casing, focus protection lens, focus lens and temperature monitoring module, the focus casing has the inner chamber, and focus protection lens and focus lens are all installed in the inner chamber, focus protection lens and light outlet are located focus lens's both sides respectively, temperature monitoring module installs on focus casing, and temperature monitoring module's control end corresponds with focus protection lens position.

2. The laser edge banding device with temperature control structure according to claim 1, wherein: the optical fiber access assembly is a QBH connector.

3. The laser edge banding device with temperature control structure according to claim 1, wherein: the collimating lens component comprises a collimating shell, a collimating lens and a collimating protection lens, wherein the collimating lens and the collimating protection lens are sequentially arranged in the collimating shell, and the collimating lens and the optical fiber access component are respectively positioned at two sides of the collimating protection lens.

4. A laser edge banding device with a temperature control structure as claimed in claim 3, wherein: the focusing protection lens and the focusing lens are both installed on the inner wall of the focusing shell through the installation piece, and the installation piece is provided with a gas through hole.

5. The laser edge banding device with temperature control structure according to claim 4, wherein: the device also comprises a gas interface, wherein the gas interface is arranged on the focusing shell and is communicated with the inner cavity of the focusing shell, and the gas interface, the inner cavity, the gas through hole and the light outlet are combined to form a gas flow channel.

6. The laser edge banding device with temperature control structure according to claim 5, wherein: the device also comprises a motor component, wherein the output end of the motor component is connected with a reflecting lens, the motor component is arranged on the side surface of the focusing shell, and the reflecting lens is positioned between the collimating lens and the focusing protection lens.

7. The laser edge banding device with temperature control structure according to claim 1, wherein: the device also comprises a sealing cover, wherein the sealing cover is hinged to one side of the light outlet.

8. The laser edge banding device with temperature control structure according to claim 1, wherein: the device also comprises a mounting seat, wherein the mounting seat is fixed at the bottom of the focusing shell, and a plurality of mounting positions are arranged on the mounting seat.

9. A laser edge banding device with a temperature control structure as claimed in claim 3, wherein: the device also comprises a water inlet, a water outlet and a cooling water channel, wherein the water inlet, the cooling water channel and the water outlet are sequentially connected to form a heat dissipation flow channel.

10. The laser edge banding device with temperature control structure according to claim 9, wherein: the water inlet and the water outlet are arranged on the collimation shell, the cooling water channel penetrates through the collimation shell and the focusing shell, and two ends of the cooling water channel are respectively communicated with the water inlet and the water outlet.