CN212793534U - Light path sealing structure for laser processing equipment and laser processing device - Google Patents
Light path sealing structure for laser processing equipment and laser processing device Download PDFInfo
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- CN212793534U CN212793534U CN202020912024.5U CN202020912024U CN212793534U CN 212793534 U CN212793534 U CN 212793534U CN 202020912024 U CN202020912024 U CN 202020912024U CN 212793534 U CN212793534 U CN 212793534U
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- laser processing
- pipe
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- 238000007789 sealing Methods 0.000 title claims abstract description 46
- 238000003825 pressing Methods 0.000 claims description 38
- 230000003287 optical effect Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
The utility model discloses a light path sealing structure and a laser processing device for laser processing equipment, which comprises a corrugated pipe and two light guide pipes; one end of the corrugated pipe is connected with one end of one light guide pipe, and the other end of the corrugated pipe is connected with one end of the other light guide pipe; one light pipe is used for being communicated with the laser assembly, and the other light pipe is used for being communicated with the galvanometer assembly. Through set up the bellows between two light pipes, because the bellows can distort and stretch out and draw back, when making the connection position at light path seal structure both ends (for example, with beam expander subassembly's connection position and with reflector assembly's connection position) have certain dislocation, still can realize being connected between light path seal structure and the light path system, and do not influence sealed effect, the adaptability of light path seal structure has been improved, simultaneously, because the bellows can distort and flexible performance, can make the connection face laminating between bellows and the light pipe tighter, the leakproofness of light path seal structure has been improved.
Description
Technical Field
The utility model belongs to the technical field of laser beam machining equipment, especially, relate to a light path seal structure and laser beam machining device for laser beam machining equipment.
Background
A laser processing apparatus is an apparatus that processes a workpiece using laser light, and in recent years, the laser processing apparatus is increasingly used in various manufacturing industries.
The laser beam used for processing the workpiece is easily interfered by dust or impurities in the air, and the laser beam needs to be prevented from contacting the dust or the impurities in the air as much as possible, so the laser beam needs to be shielded and protected, and sometimes inert gas is filled for protection.
The existing method is to cover the light path or install the metal pipeline with the metal plate protective cover, so that the light beam passes through the metal pipeline, but the metal plate protective cover is too high in cost, large in size and poor in sealing effect when the flight distance of the light path is long, the metal pipeline is not convenient to disassemble and assemble quickly, and the metal plate protective cover or the metal pipeline is adopted to separate the light path from the external environment, so that the fault tolerance of the installation of the light path structure is poor, for example, when the connection positions at the two ends of the light path sealing structure are staggered, the installation is difficult, and the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the problems of poor adaptability and poor sealing effect of the existing light path sealing structure, the light path sealing structure for the laser processing equipment and the laser processing device are provided.
In order to solve the above technical problem, an embodiment of the present invention provides an optical path sealing structure for a laser processing apparatus, including a corrugated tube and two light pipes;
one end of the corrugated pipe is connected with one end of one light guide pipe, and the other end of the corrugated pipe is connected with one end of the other light guide pipe;
the light guide pipe is used for communicating the light path system.
Optionally, the light guide tube further comprises a connecting assembly, and the corrugated tube is connected with the light guide tube through the connecting assembly.
Optionally, coupling assembling includes the clamping ring, the one end of bellows with the clamping ring is connected, the clamping ring with the light pipe is connected.
Optionally, the corrugated pipe comprises a corrugated pipe body and annular connecting parts arranged at two ends of the corrugated pipe body;
and a pressing part radially extends on the hole wall of the pressing ring, and the pressing part is used for pressing the connecting part between the pressing part and the end part of the light guide pipe.
Optionally, the connection assembly further includes a tube connection ring, the pressing ring is connected to the tube connection ring, the pressing portion presses the connection portion between the pressing portion and an end of the tube connection ring, and the tube connection ring is connected to the light guide tube.
Optionally, the coupling assembling still includes the sealing washer, the tip of pipe go-between is equipped with and is used for holding the spacing portion of sealing washer, the sealing washer is located connecting portion with between the spacing portion.
Optionally, the pressure ring and the tube connecting ring are in threaded connection, and the tube connecting ring and the light guide tube are in threaded connection.
Optionally, the system further comprises two light path covers, wherein the two light path covers are used for communicating the light guide pipe with the light path system;
one light pipe is connected with one light path cover, and the other light pipe is connected with the other light path cover.
Optionally, the light pipe is screwed with the light path cover.
On the other hand, the utility model also provides a laser processing device, including laser instrument subassembly, galvanometer subassembly, optical path system and as above the light path seal structure, the laser instrument subassembly is used for launching laser beam, the galvanometer subassembly is used for changing the laser beam route in order to process the work piece; the optical path system is used for conducting the laser beam emitted by the laser component to the galvanometer component;
the light path sealing structure is communicated with the light path system.
The embodiment of the utility model provides a light path seal structure and laser beam machining device for laser beam machining equipment, compared with the prior art, through set up the bellows between two light pipes, because the bellows can distort and stretch out and draw back, when making the connection position at light path seal structure both ends (for example, with beam expanding assembly's connection position and with reflector assembly's connection position) have certain dislocation, still can realize being connected between light path seal structure and the light path system, and do not influence sealed effect, light path seal structure's adaptability has been improved, and simultaneously, because the bellows can distort and flexible performance, can make the connection face laminating between bellows and the light pipe tighter, light path seal structure's leakproofness has been improved.
Drawings
Fig. 1 is a schematic structural diagram of an optical path sealing structure provided in an embodiment of the present invention;
fig. 2 is a sectional view of the light path sealing structure shown in fig. 1;
FIG. 3 is an enlarged schematic view shown at A in FIG. 2;
fig. 4 is an exploded view of the light path sealing structure shown in fig. 1;
FIG. 5 is a schematic view of the bellows and pressure ring assembly of FIG. 1;
FIG. 6 is a schematic view of the tube connecting ring of FIG. 1;
FIG. 7 is a schematic structural diagram of the two light path covers of FIG. 1 with the holes connected to the light pipe dislocated up and down or left and right;
fig. 8 is a schematic structural diagram of one of the optical path masks in fig. 1 when an angle error of θ exists.
The reference numerals in the specification are as follows:
1. a bellows; 11. a bellows body; 12. a connecting portion;
2. a light pipe;
3. a connecting assembly;
31. pressing a ring; 311. a pressing part;
32. a tube connecting ring; 321. a limiting part;
33. a seal ring;
4. and an optical path cover.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides an optical path sealing structure, which includes a corrugated tube 1 and two light pipes 2;
one end of the corrugated pipe 1 is connected with one end of one light pipe 2, and the other end of the corrugated pipe 1 is connected with one end of the other light pipe 2;
the light pipe 2 is used for communicating with an optical path system (not shown).
The optical path system is used for guiding the laser beam, and is a common structure of the laser processing equipment, so the specific structure thereof is not described herein.
The utility model is suitable for an intercommunication optical path system, for example with the beam expanding mirror subassembly in the optical path system and the reflector assembly intercommunication in the optical path system, but not limited to the intercommunication between these two optical assembly, it also can be with laser instrument subassembly and reflector assembly intercommunication, perhaps with beam expanding mirror subassembly and galvanometer subassembly intercommunication, the utility model discloses do not do the restriction here.
The embodiment of the utility model provides a light path seal structure, compared with the prior art, through set up bellows 1 between two light pipes 2, because bellows 1 can distort and stretch out and draw back, when making the connection position at light path seal structure both ends (for example, with beam expanding mirror assembly's connection position and with reflector assembly's connection position) have certain dislocation, still can realize being connected between light path seal structure and the light path system, and do not influence sealed effect, the adaptability of light path seal structure has been improved, and simultaneously, because bellows 1 can distort and flexible performance, can make the connection face laminating between bellows 1 and the light pipe 2 tighter, the leakproofness of light path seal structure has been improved.
Preferably, bellows 1 and light pipe 2 can adopt the metal material, improve life.
In an embodiment, as shown in fig. 1, the optical path sealing structure further includes a connecting component 3, and the corrugated tube 1 is connected to the light guide tube 2 through the connecting component 3. The corrugated pipe 1 and the light pipe 2 can be more conveniently connected through the connecting component 3.
In one embodiment, as shown in fig. 3 and 5, the connection assembly 3 includes a pressing ring 31, one end of the corrugated tube 1 is connected to the pressing ring 31, and the pressing ring 31 is connected to the light guide tube 2. Bellows 1 is connected with light pipe 2 through setting up clamping ring 31.
In one embodiment, as shown in fig. 3-5, the bellows 1 includes a bellows body 11 and annular connection portions 12 disposed at both ends of the bellows body 11;
a pressing portion 311 extends radially from the hole wall of the pressing ring 31, and the pressing portion 311 is used to press the connecting portion 12 between the pressing portion 311 and the end of the light guide 2. Connect bellows 1 on light pipe 2 that can be convenient through pressing part 311, wherein, can adopt threaded connection's mode between clamping ring 31 and the light pipe 2, when clamping ring 31 screwed up on light pipe 2, pressing part 311 compresses tightly connecting portion 12 simultaneously between the tip of pressing part 311 and light pipe 2, realizes being connected between bellows 1 and the light pipe 2.
In one embodiment, as shown in fig. 3-6, the connection assembly 3 further includes a tube connection ring 32, the pressing ring 31 is connected to the tube connection ring 32, and the pressing portion 311 presses the connection portion 12 between the pressing portion 311 and the end of the tube connection ring 32, and the tube connection ring 32 is connected to the light guide tube 2. Realize being connected between bellows 1 and the light pipe 2 indirectly through clamping ring 31 and pipe go-between 32, both conveniently connect can improve the leakproofness between bellows 1 and the light pipe 2 again.
As shown in fig. 3, in order to further improve the sealing performance between the corrugated tube 1 and the light guide tube 2, the connection assembly 3 further includes a sealing ring 33, a limiting portion 321 for accommodating the sealing ring 33 is disposed at an end of the tube connection ring 32, and the sealing ring 33 is disposed between the connection portion 12 and the limiting portion 321.
The pressure ring 31 and the tube connecting ring 32, and the tube connecting ring 32 and the light guide tube 2 can be connected by threads, so that the light path sealing structure can be conveniently assembled and disassembled.
For example, as shown in fig. 3, an inner thread is disposed on an inner wall of a hole of the pressing ring 31, an outer thread matched with the inner thread of the pressing ring 31 is disposed on an outer wall of the limiting portion 321 of the tube coupling ring 32, an inner thread is disposed on an inner wall of an end of the tube coupling ring 32 away from the limiting portion 321, an outer thread matched with the inner thread of the tube coupling ring 32 is disposed on the light pipe 2, and during assembly, the sealing ring 33 is placed in the stopper 321, the connecting portion 12 of the corrugated tube 1 is inserted into the pressing ring 31 (in operation, the connecting portion 12 can be tilted to a position adjusted so as to allow the connecting portion 12 to be inserted into the pressing ring 31 while avoiding the pressing portion 311), the pressing ring 31 and the tube connecting ring 32 are screwed together, make the portion 311 compress tightly connecting portion 12, connecting portion 12 and sealing washer 33 closely laminate, be in the same place tub go-between 32 and light pipe 2 threaded connection to realize being connected between bellows 1 and the light pipe 2.
Wherein, the sealing ring can adopt a resin gasket.
Preferably, the outer wall of the pressing ring 31 is knurled to increase friction for easy attachment and detachment.
In an embodiment, as shown in fig. 1, the optical path sealing structure further includes two optical path covers 4, where the two optical path covers 4 are used for communicating the light pipe 2 with the optical path system;
one light pipe 2 is connected with one light path cover 4, and the other light pipe 2 is connected with the other light path cover 4. The light path sealing structure is convenient to communicate with the light path system by arranging the light path cover 4.
As shown in fig. 7, since the light path sealing structure adopts the structure including the corrugated tube 1, when the hole sites of the two light path covers 4 connected to the light guide tube 2 are dislocated up and down or left and right, or as shown in fig. 8, when one of the light path covers 4 has an angle error of θ (θ is 0 ° during normal installation), the communication between the two light path covers 4 can still be realized without affecting the sealing performance.
Preferably, the light pipe 2 and the light path cover 4 are connected by a screw thread for easy assembly and disassembly.
On the other hand, the utility model also provides a laser processing device, including laser instrument subassembly (not shown), galvanometer subassembly (not shown), optical path system (not shown) and light path seal structure as above, the laser instrument subassembly is used for launching laser beam, galvanometer subassembly is used for changing the laser beam route in order to process the work piece; the optical path system is used for transmitting the laser beam emitted by the laser component to the galvanometer component;
the light path sealing structure is used for communicating the light path system.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A light path sealing structure for laser processing equipment is characterized by comprising a corrugated pipe and two light guide pipes;
one end of the corrugated pipe is connected with one end of one light guide pipe, and the other end of the corrugated pipe is connected with one end of the other light guide pipe;
the light guide pipe is used for communicating the light path system.
2. The light path sealing structure for a laser processing apparatus according to claim 1, further comprising a connection member through which the bellows is connected with the light guide pipe.
3. The light path sealing structure for the laser processing apparatus according to claim 2, wherein the connecting assembly includes a press ring, one end of the bellows is connected to the press ring, and the press ring is connected to the light pipe.
4. The light path sealing structure for a laser processing apparatus according to claim 3, wherein the bellows includes a bellows body and annular connection portions provided at both ends of the bellows body;
and a pressing part radially extends on the hole wall of the pressing ring, and the pressing part is used for pressing the connecting part between the pressing part and the end part of the light guide pipe.
5. The optical path sealing structure for a laser processing apparatus according to claim 4, wherein the connection assembly further includes a tube connection ring, the pressing ring is connected to the tube connection ring, and the pressing portion presses the connection portion between the pressing portion and an end portion of the tube connection ring, the tube connection ring being connected to the light guide tube.
6. The light path sealing structure for the laser processing apparatus according to claim 5, wherein the connection assembly further includes a sealing ring, an end portion of the tube connection ring is provided with a limiting portion for accommodating the sealing ring, and the sealing ring is disposed between the connection portion and the limiting portion.
7. The light path sealing structure for a laser processing apparatus according to claim 6, wherein the pressure ring and the tube connection ring, and the tube connection ring and the light guide tube are both in threaded connection.
8. The optical path sealing structure for a laser processing apparatus according to claim 1, further comprising two optical path covers for communicating the light guide with the optical path system;
one light pipe is connected with one light path cover, and the other light pipe is connected with the other light path cover.
9. The optical path sealing structure for a laser processing apparatus according to claim 8, wherein the light guide pipe is screwed with the optical path cover.
10. A laser processing apparatus comprising a laser assembly for emitting a laser beam, a galvanometer assembly for altering the path of the laser beam to process a workpiece, a beam path system, and the beam path sealing structure of any one of claims 1 to 9; the optical path system is used for conducting the laser beam emitted by the laser component to the galvanometer component;
the light path sealing structure is used for communicating the light path system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020912024.5U CN212793534U (en) | 2020-05-26 | 2020-05-26 | Light path sealing structure for laser processing equipment and laser processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020912024.5U CN212793534U (en) | 2020-05-26 | 2020-05-26 | Light path sealing structure for laser processing equipment and laser processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212793534U true CN212793534U (en) | 2021-03-26 |
Family
ID=75094445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020912024.5U Active CN212793534U (en) | 2020-05-26 | 2020-05-26 | Light path sealing structure for laser processing equipment and laser processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212793534U (en) |
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2020
- 2020-05-26 CN CN202020912024.5U patent/CN212793534U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000, Building 101, 1st floor, 2nd floor, 4th floor, 3rd floor, 7th floor, 1st floor, and 4th floor of Building 3, Dahua Laser Intelligent Manufacturing Center, No. 12 Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Han's CNC Technology Co.,Ltd. Country or region after: China Address before: 518101 5 / F, 1 / 2 / F, 14 / F, 17 / F, No.3 Factory building, antuoshan hi tech Industrial Park, Xinsha Road, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Han's CNC Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |