CN219392346U

CN219392346U - Shutter with encapsulation

Info

Publication number: CN219392346U
Application number: CN202223610842.8U
Authority: CN
Inventors: 姚强; 刘明峰; 姚艳; 王涛
Original assignee: Wuhan Raycus Fiber Laser Technologies Co Ltd
Current assignee: Wuhan Raycus Fiber Laser Technologies Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-21
Anticipated expiration: 2032-12-30

Abstract

The application provides a shutter with encapsulation, including the casing, the casing has integrated into one piece's base and apron, and the recess is seted up to the base, apron and base sealing connection shutoff recess. Because the integrated base and the cover plate are enclosed to form a shell structure, the cover plate is in sealing connection with the base, a sealed space is formed in the shell, dust is reduced to enter the shell, optical components in the protective shell are prevented from being damaged easily due to burning, the problem that the optical components in the existing optical gate are damaged easily is solved, the optical gate is only required to be in sealing connection with the groove, the shell is simple in structure and convenient to install and operate, the optical components are protected, and the reliability of the optical gate is improved.

Description

Shutter with encapsulation

Technical Field

The application belongs to the technical field of lasers, and particularly relates to a light gate with a package.

Background

The optical gate is an important device of laser manufacturing and laser additive manufacturing equipment, and one optical edge output by the fiber laser is multi-path optical output in a time-sharing or energy-sharing mode, so that the requirement of the manufacturing equipment on laser energy multiplexing is met, and the performance of the fiber laser is greatly improved. Because the dust in the optical gate service environment is more, the dust gets into the optical gate inside, and the optical components such as the speculum in the optical gate, because of dust absorption laser generates heat, leads to optical components to burn out the damage, and the life of optical gate is low, and the reliability is poor.

Disclosure of Invention

The embodiment of the application provides a light gate with a package so as to solve the problem that optical components in the existing light gate are easy to burn and damage.

In a first aspect, embodiments of the present application provide a shutter with a package, comprising:

the shell is provided with an integrally formed base and a cover plate, the base is provided with a groove, the cover plate is in sealing connection with the base, and the groove is blocked.

Optionally, the base still has curb plate and bottom plate, the curb plate with bottom plate integrated into one piece encloses to close and is the recess, the curb plate deviates from the one end of bottom plate has seted up first seal groove, first seal groove is followed recess circumference sealing connection, be equipped with first sealing washer in the first seal groove, the apron with the curb plate passes through first sealing washer sealing connection.

Optionally, the one end that the curb plate deviates from the bottom plate is provided with the step, first seal groove set up in on the horizontal plane of step, a plurality of pinholes have been seted up on the horizontal plane, the pinhole is located by first seal groove, the apron with the horizontal plane laminating is through the round pin axle with the pinhole is connected, the height of step with the thickness of apron is the same.

Optionally, the method further comprises:

the side plate is provided with a first opening, the collimation assembly is provided with a collimation fixing sleeve, the collimation fixing sleeve is provided with a first end, the first end extends into the corresponding first opening, and the first end is in sealing fit with the inner wall of the first opening;

the side plates are provided with a plurality of second openings, the coupling assemblies are provided with coupling mirror fixing seats, the coupling mirror fixing seats are provided with second ends, the second ends extend into the corresponding second openings, and the second ends are in sealing fit with the inner walls of the second openings;

the fixed reflector assembly is provided with a plurality of third openings, the fixed reflector assembly is provided with a first fixed plate, the first fixed plate is provided with a first surface, the first surface is used for plugging the corresponding third openings, and the first surface is in sealing connection with the base around the third openings;

the side plates are provided with a plurality of fourth openings, the rotary reflecting mirror assembly is provided with a second fixing plate, the second fixing plate is provided with a second surface, the second surface is used for plugging the corresponding fourth openings, and the second surface is in sealing connection with the base around the fourth openings;

the light beam cutting assembly is provided with a fifth opening on the side plate, the light beam cutting assembly is provided with a cooling cylinder, the cooling cylinder is provided with a third end, the third end is attached to the base around the fifth opening, and the third end is in sealing connection with the base around the fifth opening.

Optionally, the first end circumference has offered the second seal groove, be provided with the second sealing washer in the second seal groove, first end passes through the second sealing washer with the laminating of first opening inner wall seal.

Optionally, a third sealing groove is circumferentially formed in the second end, a third sealing ring is arranged in the third sealing groove, and the second end is in sealing fit with the inner wall of the second opening through the third sealing ring.

Optionally, a fourth sealing groove is circumferentially formed in the first surface, a fourth sealing ring is arranged in the fourth sealing groove, and the first surface is in sealing fit with the base around the third opening through the fourth sealing ring.

Optionally, a fifth sealing groove is formed in the second surface in the circumferential direction, a fifth sealing ring is arranged in the fifth sealing groove, and the second surface is in sealing fit with the base around the fourth opening through the fifth sealing ring.

Optionally, a sixth sealing groove is circumferentially formed in the end face of the third end, a sixth sealing ring is arranged in the sixth sealing groove, and the third end is in sealing connection with the base around the fifth opening through the sixth sealing ring.

Optionally, the dust sensor is arranged in the shell and is used for detecting the dust concentration in the shell.

The embodiment of the application provides a shutter with encapsulation is shell structure because of adopting integrated into one piece's base and apron to enclose, apron and base sealing connection, forms the scheme in sealed space in the casing, in the reduction dust gets into the casing, the optical components in the protective housing has overcome the easy problem of damage of burning of optical components in the current shutter, only needs in recess sealing connection, shell structure is simple, installation operation is convenient, protection optical components, has improved the reliability of shutter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person skilled in the art.

For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts throughout the following description.

Fig. 1 is a side view of a housing provided in an embodiment of the present application.

A cross-sectional view A-A in fig. 2.

Fig. 3 is a schematic structural diagram of a base according to an embodiment of the present application.

FIG. 4 is a side view of a shutter provided in an embodiment of the present application.

Fig. 5 is a B-B cross-sectional view of fig. 4.

Fig. 6 is a partial enlarged view at a in fig. 5.

Fig. 7 is a partial enlarged view at B in fig. 5.

Fig. 8 is a partial enlarged view at C in fig. 5.

Fig. 9 is a partial enlarged view at D in fig. 5.

Fig. 10 is a partial enlarged view at E in fig. 5.

FIG. 11 is a schematic diagram of a collimating assembly for a shutter according to an embodiment of the present disclosure.

FIG. 12 is a schematic diagram of a coupling assembly of a shutter according to an embodiment of the present disclosure.

Fig. 13 is a schematic structural view of a fixed mirror assembly of a shutter according to an embodiment of the present disclosure.

Fig. 14 is a schematic structural view of a rotating mirror assembly of a shutter according to an embodiment of the present disclosure.

Fig. 15 is a schematic structural diagram of a beam cutoff component of the optical shutter according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The embodiment of the application provides a light gate with a package so as to solve the problem that optical components in the existing light gate are easy to burn and damage. The following description will be given with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, an embodiment of the present application provides a shutter with a package, including a housing 1, a base 11 and a cover plate 12 integrally formed, the base 11 is provided with a groove 10, the cover plate 12 is in sealing connection with the base 11, and the groove 10 is blocked.

It can be appreciated that, referring to fig. 2, the housing 1 is assembled by the base 11 and the cover plate 12, the base 11 can be integrally formed by injection molding or stamping, the integral structure of the base 11 is simple in processing technology, only the sealing of the joint of the cover plate 12 and the base 11 needs to be considered, dust is prevented from entering the optical shutter, and the reliability of the optical shutter is improved.

On the basis of the above embodiment, referring to fig. 2 and 3, the base 11 further has a side plate 111 and a bottom plate 112, the side plate 111 and the bottom plate 112 are integrally formed and enclosed to form a groove 10, one end of the side plate 111, which is away from the bottom plate 112, is provided with a first sealing groove 1111, the first sealing groove 1111 is in circumferential sealing connection with the groove 10, a first sealing ring is disposed in the first sealing groove 1111, and the cover plate 12 is in sealing connection with the side plate 111 through the first sealing ring.

It can be appreciated that the first sealing ring is fixed in the first sealing groove 1111 through the cover plate 12 and the side plate 111, no gap is formed between the cover plate 12 and the side plate 111, the sealing effect is better, the first sealing ring can be arranged along the whole circle of the first sealing groove 1111, and can also be segmented, and the first sealing ring and the second sealing ring are connected in sequence to form the whole circle. As a modification, a seal groove may be formed in the side of the cover 12 close to the base 11, so that the cover 12 and the side plate 111 may be sealed.

On the basis of the above embodiment, referring to fig. 3, one end of the side plate 111, which is away from the bottom plate 112, is provided with a step 1112, the first seal groove 1111 is disposed on a horizontal plane of the step 1112, a plurality of pin holes 1113 are formed on the horizontal plane, the pin holes are located beside the first seal groove 1111, the cover plate 12 is attached to the horizontal plane, and is connected with the pin holes 1113 through a pin shaft, and the height of the step 1112 is the same as the thickness of the cover plate 12.

It will be appreciated that the cover 12 is placed on the step 1112, and after the cover 12 is assembled with the side plate 111, the surface of the cover 12 is flush with the end surface of the side plate 111, and the housing 1 is neat and beautiful. The sealing glue can be filled between the edge of the cover plate 12 and the side plate 111, so that the sealing effect of the shell 1 is further improved, dust is prevented from entering the shell 1, optical elements in the shell 1 are protected, and the reliability of the optical gate is improved.

In some embodiments, referring to fig. 4 and 5, the shutter further comprises a collimation assembly 2, a plurality of coupling assemblies 3, a plurality of fixed mirror assemblies 4, a plurality of rotating mirror assemblies 5, and a beam cutoff assembly 6. It can be understood that several outputs are set according to the need, and several coupling assemblies 3 are correspondingly set, in this embodiment, 2 coupling assemblies 3 are set for illustration, 2 fixed mirror assemblies 4 and 2 rotating mirror assemblies 5 are correspondingly set, one rotating mirror assembly 5, one fixed mirror assembly 4 and one coupling assembly 3 correspondingly output one laser beam, where the rotating mirror assembly 5 and the beam cutting assembly 6 are located in the propagation direction of the parallel light output by the collimation assembly 2.

Referring to fig. 5, 6 and 11, the collimating component 2 is used for being connected with a laser, the collimating component 2 is provided with a collimating fixing sleeve 21, a first QBH locking head 22, a collimating mirror cooling end sleeve 23 and an aspheric lens 24, the collimating mirror cooling end sleeve 23 is sleeved on the collimating fixing sleeve 21, the aspheric lens 24 is fixed in the collimating fixing sleeve 21, the first QBH locking head 22 is used for being connected with the laser, a laser beam emitted by the laser irradiates into the shell 1 after being collimated by the aspheric lens, a first opening 13 is formed in the side plate 111, the collimating mirror cooling end sleeve 23 of the collimating component 2 is fixed on the base 11 around the first opening 13 through a flange connection disc, the collimating fixing sleeve 21 is provided with a first end 211, the first end 211 extends into the corresponding first opening 13, and the first end 211 is in sealing fit with the inner wall of the first opening 13.

Referring to fig. 5, 7 and 12, the coupling assembly 3 is used for focusing the parallel light outputted by the optical shutter, the coupling assembly 3 has a coupling mirror fixing seat 31, a second QBH locking head 32 and a coupling mirror 33, the coupling mirror 33 fixing seat 31 is connected with the coupling mirror, the second QBH locking head 32 is used for being connected with the optical fiber, a plurality of second openings 14 are formed on the side plate 111, the coupling mirror fixing seat 31 is away from the second QBH locking head 32 and is connected with the base 11 around the second openings 14 through a flange plate, the coupling mirror fixing seat 31 has a second end 311, the second end 311 extends into the corresponding second opening 14, and the second end 311 is in sealing fit with the inner wall of the second opening 14.

Referring to fig. 5, 9 and 14, the rotary mirror assembly 5 includes a second fixing plate 51, a motor 52, a second adjusting plate 53, a second mirror mounting base 54 and a second mirror, the second adjusting plate 53 is connected to an output shaft of the motor 52, the second mirror mounting base 54 is fixed on the second adjusting plate 53, the second mirror is mounted on the second mirror mounting base 54, the second fixing plate 51 is connected to the second adjusting plate 53 through an adjusting rod, a plurality of fourth openings 16 are formed in a side plate 111, the second fixing plate 51 includes a second face 511, the second face 511 seals the corresponding fourth openings 16, the second face 511 is connected with a base 11 around the fourth openings 16 in a sealing manner, and the second adjusting plate 53 and the second mirror mounting base 54 extend into the housing 1.

Referring to fig. 5, 8 and 13, the above-mentioned fixed mirror assembly 4 includes a first fixing plate 41, a first adjusting plate 42, an infrared indicating module 43, a cover 44 and a first mirror, wherein the first mirror is fixed on the first fixing plate 41, the first fixing plate 41 is connected with the first adjusting plate 42 through an adjusting rod, the cover 44 is attached to the base 11, the cover is arranged on the first fixing plate 41, the infrared indicating module 43 is connected with the first fixing plate 41 and is located in the cover 44, a plurality of third openings 15 are formed in the side plate 111, the first fixing plate 41 has a first face 411, the first face 411 seals the corresponding third openings 15, and the first face 411 is in sealing connection with the base 11 around the third openings 15.

Referring to fig. 5, 10 and 15, the beam cutting assembly 6 includes a cooling cylinder 61 and an outer sleeve 62, the outer sleeve 62 is sleeved on the cooling cylinder 61, a water cooling channel is formed between the outer sleeve 62 and the cooling cylinder 61, a fifth opening 17 is formed in a side plate 111, one end of the outer sleeve 62, which is close to the housing 1, is fixedly connected with the base 11 around the fifth opening 17 through a flange, the cooling cylinder 61 includes a third end 611, the third end 611 is attached to the base 11 around the fifth opening 17, and the third end 611 is connected with the base 11 around the fifth opening 17 in a sealing manner. In addition, the third end 611 is provided with a convex ring 612, and the convex ring 612 is located in the fifth opening 17 and is attached to the inner wall of the fifth opening 17, so that the dustproof effect is good.

Referring to fig. 5, the first opening 13, the second opening 14, the third opening 15, the fourth opening 16 and the fifth opening 17 formed in the housing 1 are in one-to-one sealing connection with the corresponding collimating component 2, the coupling component 3, the fixed reflecting mirror component 4, the rotating reflecting mirror component 5 and the beam cutting component 6, so that dust is prevented from entering the housing 1 from the openings, the reflecting mirror in the housing 1 is protected, the occurrence of the condition that the reflecting mirror is burnt due to dust absorption laser is avoided, the sealing effect is good, and the reliability is high.

In the above embodiment, as shown in fig. 6 and 11, the first end 211 is circumferentially provided with the second seal groove 2111, the second seal groove 2111 is internally provided with the second seal ring, and the first end 211 is sealed and attached to the inner wall of the first opening 13 by the second seal ring.

It can be appreciated that the second sealing groove 2111 is formed at the first end 211, the processing technology is simple, and the first end 211 extends into the first opening 13, so as to further improve the dustproof effect. As a modification, a second seal groove 2111 may be provided in the inner wall of the first opening 13.

In the above embodiment, as shown in fig. 7 and 12, the second end 311 is circumferentially provided with the third sealing groove 3111, and the third sealing groove 3111 is internally provided with the third sealing ring, and the second end 311 is sealed and attached to the inner wall of the second opening 14 by the third sealing ring.

It can be appreciated that the third sealing groove 3111 is provided at the second end 311, the processing is simple, and the second end 311 extends into the second opening 14, thereby further improving the dust-proof effect. As a variant, a third sealing groove 3111 may also be provided on the inner wall of the second opening 14.

On the basis of the above embodiment, as shown in fig. 8 and 13, a fourth sealing groove 4111 is formed in the first surface 411 in the circumferential direction, a fourth sealing ring is disposed in the fourth sealing groove 4111, and the first surface 411 is in sealing fit with the base 11 around the third opening 15 through the fourth sealing ring.

It can be appreciated that the first surface 411 of the first fixing plate 41 is provided with the square fourth sealing groove 4111, so that the processing technology is simple, and the fixing mirror assembly 4 is attached to the outer side surface of the housing 1, so that the operation is convenient. As a variant, a fourth sealing groove 4111 may also be provided in the base 11 around the third opening 15.

On the basis of the above embodiment, as shown in fig. 9 and 14, a fifth sealing groove 5111 is formed in the second surface 511 in the circumferential direction, a fifth sealing ring is disposed in the fifth sealing groove 5111, and the second surface 511 is in sealing fit with the base 11 around the fourth opening 16 through the fifth sealing ring.

It can be appreciated that the second surface 511 of the second fixing plate 51 is provided with the fifth sealing groove 5111, which is simple in processing technology, and the rotary mirror assembly 5 is attached to the outer side surface of the housing 1, so that the operation is convenient. As a modification, a fifth seal groove 5111 may be formed in the base 11 around the fourth opening 16.

On the basis of the above embodiment, as shown in fig. 10 and 15, a sixth sealing groove 6111 is circumferentially formed on the end face of the third end 611, a sixth sealing ring is disposed in the sixth sealing groove 6111, and the third end 611 is in sealing connection with the base 11 around the fifth opening 17 through the sixth sealing ring. As a modification, a sixth seal groove 6111 may be formed in the base 11 around the fifth opening 17.

On the basis of the embodiment, the optical shutter further comprises a dust sensor and an alarm device, wherein the dust sensor is arranged in the shell 1 and used for detecting dust concentration in the shell 1, the dust sensor is in signal connection with the alarm device, if the dust sensor detects that the dust concentration in the shell 1 exceeds a set value, the alarm device gives an alarm, a user is provided, the user can close the laser, the optical shutter is cleaned, burning of optical components of the optical shutter is avoided, and the service life of the optical shutter is prolonged.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.

The embodiments of the present application have been described in detail with reference to the enclosed optical shutter, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the above description of the embodiments is only for helping to understand the method and core ideas of the present application; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.

Claims

1. A shutter with a package, comprising:

the shell is provided with a base and a cover plate which are integrally formed, the base is provided with a groove, the cover plate is connected with the base in a sealing way, and the groove is blocked;

the base still has curb plate and bottom plate, the curb plate with bottom plate integrated into one piece encloses to close and is in the recess, the curb plate deviates from the one end of bottom plate has seted up first seal groove, first seal groove is followed recess circumference sealing connection, be equipped with first sealing washer in the first seal groove, the apron with the curb plate passes through first sealing washer sealing connection.

2. The packaged optical gate according to claim 1, wherein a step is arranged at one end of the side plate, which is away from the bottom plate, the first sealing groove is arranged on a horizontal plane of the step, a plurality of pin holes are formed in the horizontal plane, the pin holes are located beside the first sealing groove, the cover plate is attached to the horizontal plane and connected with the pin holes through pin shafts, and the height of the step is identical to the thickness of the cover plate.

3. The shutter with package of claim 1, further comprising:

4. The packaged optical shutter of claim 3, wherein the first end is circumferentially provided with a second seal groove, a second seal ring is disposed in the second seal groove, and the first end is in sealing fit with the inner wall of the first opening through the second seal ring.

5. The shutter with package according to claim 3, wherein a third sealing groove is circumferentially formed in the second end, a third sealing ring is disposed in the third sealing groove, and the second end is in sealing fit with the inner wall of the second opening through the third sealing ring.

6. A packaged optical shutter according to claim 3 wherein the first face is circumferentially provided with a fourth sealing groove, a fourth sealing ring being provided in the fourth sealing groove, the first face being in sealing engagement with the base around the third opening by the fourth sealing ring.

7. A packaged optical shutter according to claim 3 wherein a fifth sealing groove is circumferentially formed in the second face, a fifth sealing ring is disposed in the fifth sealing groove, and the second face is in sealing engagement with the base around the fourth opening by the fifth sealing ring.

8. A packaged shutter according to claim 3 wherein a sixth sealing groove is circumferentially provided in an end face of the third end, a sixth sealing ring is provided in the sixth sealing groove, and the third end is sealingly connected to the base around the fifth opening by the sixth sealing ring.

9. The shutter with package of claim 1, further comprising a dust sensor disposed within the housing for detecting a dust concentration within the housing.