CN217727483U

CN217727483U - Laser processing frame and laser processing equipment

Info

Publication number: CN217727483U
Application number: CN202221407139.4U
Authority: CN
Inventors: 刘斌; 马涛
Original assignee: Wuhan Zhonggu Lianchuang Photoelectric Technology Co ltd
Current assignee: Wuhan Zhonggu Lianchuang Photoelectric Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-11-04
Anticipated expiration: 2032-06-07

Abstract

The application discloses a laser processing frame which comprises a lifting table, a bracket, a transverse plate and a base, wherein the bracket is arranged on the lifting table and can be vertically adjusted in position; the transverse plate is arranged on the bracket, and the position of the transverse plate can be adjusted on the bracket along the transverse direction; the base is arranged on the transverse plate, the position of the base can be adjusted on the transverse plate along the longitudinal direction, and the base is used for mounting a laser processing head; vertical, horizontal and longitudinal are mutually perpendicular two by two. This application simple structure has realized the regulation demand to different processing positions of laser beam machining head through the position control of bracket, diaphragm and base, has improved production efficiency.

Description

Laser processing frame and laser processing equipment

Technical Field

The application relates to the technical field of laser processing, in particular to a laser processing frame and laser processing equipment.

Background

As an advanced manufacturing technology, laser processing has the advantages of wide application range, flexible process, high processing precision, good quality, clean production process, convenience in realizing automation, flexibility and intellectualization, improvement of product quality, labor productivity and the like, and is widely applied to the fields of aerospace, automobile manufacturing and the like.

In the related art, the laser processing frame is generally fixed and can not be adjusted or the single-dimensional position can be adjusted, and the laser processing frame is only suitable for processing with a fixed processing position, and the position of a workpiece to be processed needs to be adjusted when the laser processing frame is used, so that the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present disclosure are intended to provide a laser processing rack and a laser processing apparatus, so as to meet the adjustment requirement of a laser processing head for different processing positions.

In order to achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

an aspect of the application provides a laser beam machining frame, includes: a lifting platform;

the bracket is arranged on the lifting platform and can vertically adjust the position on the lifting platform;

the transverse plate is arranged on the bracket, and the position of the transverse plate can be adjusted on the bracket along the transverse direction; and

the base is arranged on the transverse plate, the position of the base can be adjusted on the transverse plate along the longitudinal direction, and the base is used for mounting a laser processing head;

the vertical direction, the horizontal direction and the longitudinal direction are mutually vertical in pairs.

Further, the bracket includes:

the two moving parts are arranged on the lifting platform at intervals, each moving part comprises a moving part and a supporting part which are connected, the moving part extends along the vertical direction, the supporting part extends along the direction vertical to the vertical direction, and the moving part can vertically adjust the position on the lifting platform;

the supporting plate is arranged on the supporting parts of the two moving parts, and the transverse plate is arranged on the supporting plate and can be transversely adjusted in position on the supporting plate.

Further, the laser processing frame comprises a first connecting piece and a first fastening piece; the first connecting piece is arranged on one side, close to the bracket, of the transverse plate, a first waist groove is formed in the transverse direction of the bracket, and the first fastener penetrates through the first waist groove and is connected with the first connecting piece, so that the transverse plate can adjust the position along the first waist groove; and/or the presence of a gas in the gas,

the laser processing frame comprises a second connecting piece and a second fastening piece; the diaphragm deviates from one side edge of bracket is vertically formed with second waist groove, the second connecting piece sets up on the second waist groove, can be along longitudinal movement, be formed with a plurality of mounting holes on the base, the second fastener passes the mounting hole with the second connecting piece is connected, so that the base can be followed second waist groove adjusting position.

Furthermore, the transverse plate is a section bar, the upper surface and the lower surface of the transverse plate are both provided with a convex groove which is longitudinally communicated, the second waist groove is the convex groove on the upper surface of the transverse plate, and the first connecting piece and the second connecting piece are both nut sliding blocks which are slidably arranged in the corresponding convex grooves.

Further, the base includes:

the moving seat can adjust the position on the transverse plate along the longitudinal direction;

the connecting plate is arranged on one side of the moving seat along the longitudinal direction and is used for mounting the laser processing head; and

and the side plates are arranged on the two sides of the moving seat along the transverse direction and are fixedly connected with the connecting plate.

In another aspect of the present application, there is provided a laser processing apparatus including:

the laser processing frame;

an optical fiber for transmitting a laser beam;

and the laser processing head is arranged on the laser processing frame and connected with the optical fiber to receive the laser beam of the optical fiber.

Further, the laser processing equipment still includes the support, sets up in diaphragm or the base is kept away from one side of laser processing head for support optic fibre.

Further, the bracket includes:

the connecting seat is connected with the transverse plate or the base;

the support piece is connected with the connecting seat and provided with a guide groove, the profile of the bottom of the guide groove is formed into a smooth curve shape protruding towards the upper part, the guide groove is used for supporting the optical fiber so that the optical fiber is suspended along the bottom of the guide groove, and the minimum curvature radius of the bottom of the guide groove is larger than the preset radius of the bent section of the optical fiber.

Furthermore, the laser processing equipment still includes the adaptor, sets up on the base, adaptor one end with fiber connection, the other end with the laser processing head is connected, be used for with fiber transmission's laser beam focus.

Further, the laser processing apparatus further includes:

the illuminating device is clamped on the opening; and/or the presence of a gas in the gas,

and the camera monitoring device is arranged on the laser processing head, is connected with the base and is used for remote monitoring operation.

The laser processing frame that this application embodiment provided, the bracket setting is on the elevating platform, and the diaphragm setting is on the bracket, and the base setting is on the diaphragm, and the laser beam machining head is installed on the base. The bracket can be along vertical adjusting position on the elevating platform, the diaphragm can be along horizontal adjusting position on the bracket, the base can be along vertical adjusting position on the diaphragm, vertical, horizontal and vertical two liang of mutually perpendicular. This application simple structure has realized the regulation demand to different processing positions of laser beam machining head through the position control of bracket, diaphragm and base, has improved production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a laser processing frame according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the structure of FIG. 1 from another view angle;

FIG. 3 is a schematic structural view of the cross plate in FIG. 1;

fig. 4 is a schematic structural diagram of a laser processing apparatus provided in an embodiment of the present application, in which an optical fiber is not shown;

fig. 5 is a schematic structural view of the supporting member in fig. 4.

Description of the reference numerals

A laser processing frame 1; a lifting table 11; a bracket 12; a first waist groove 12a; a moving member 121; a moving unit 1211; a lift-off portion 1212; a retainer plate 122; a transverse plate 13; the first groove 13a; a second waist groove 13b; a base 14; a movable base 141; a connecting plate 142; side plates 143; mounting holes 14a; a first connecting member 15; a first fastener 16; a second connecting member 17; a second fastener 18; a laser processing head 2; a bracket 3; a connecting base 31; a support member 32; the guide groove 32a; an adaptor 4; an illumination device 5; and a camera monitoring device 6.

Detailed Description

It should be noted that the embodiments and technical features of the embodiments in the present application may be combined with each other without conflict, and the detailed description in the detailed description should be understood as an explanation of the gist of the present application and should not be construed as an undue limitation to the present application.

The present application will be described in further detail with reference to the following drawings and specific embodiments. The descriptions of "first," "second," etc. in the embodiments of the present application are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including at least one feature. In the description of the embodiments of the present application, "a plurality" means at least two, i.e., including two as well as more than two, e.g., two or three, etc., unless explicitly specified otherwise. In the description of the embodiments of the present application, the terms of "upper", "lower", "top", "bottom" orientation or positional relationship are used in the normal use of the laser machining apparatus, and it is to be understood that these terms are merely used for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present application.

Laser processing is the most common application of laser systems, and mainly comprises laser welding, laser cutting and the like, laser processing equipment is one of key technical equipment for modifying the traditional manufacturing industry by utilizing a laser processing technology, main products comprise various laser marking machines, welding machines, cutting machines and the like, and the products already or currently enter various industrial fields. In the related art, the laser processing device moves the laser processing head through the laser processing frame, and the laser processing frame is generally fixed and is not adjustable or has a single-dimensional position adjustable, so that the position of the laser processing head mounted on the laser processing frame is difficult to adjust.

In view of the above, referring to fig. 1 to fig. 2, in a first aspect of the present embodiment, a laser processing frame 1 is provided, which includes a lifting table 11, a bracket 12, a horizontal plate 13, and a base 14. The carriage 12 is provided on the lift table 11, and is capable of adjusting a position on the lift table 11 in a vertical direction. The cross plate 13 is provided on the bracket 12, and the position of the cross plate can be adjusted on the bracket 12 in the lateral direction. A base 14 is provided on the cross plate 13, the position of which can be adjusted in the longitudinal direction on the cross plate 13, for mounting the laser processing head. Vertical, horizontal and vertical two liang mutually perpendicular, can understand that vertical, horizontal and vertical can correspond space rectangular coordinate system, and vertical indicates the Z axle, and horizontal indicates the X axle, and vertical indicates the Y axle.

The adjustment position refers to position adjustment performed before the operation of the laser processing apparatus. That is, after the position of the workpiece to be processed is determined, the laser processing head is caused to process the workpiece to be processed by adjusting the positions of the carriage 12, the horizontal plate 13, and the base 14 before processing. Thus, when the workpiece to be processed is difficult to move, the production efficiency is improved.

The lifting platform 11 may be configured with a lead screw, a telescopic cylinder or a rack for achieving the position adjustment of the bracket in the vertical direction. Illustratively, the lifting platform 11 includes a telescopic cylinder type lifting mechanism, when the motor is started, the motor drives a gear pump to supply oil, oil is input into the oil cylinder through a one-way valve and an electromagnetic channel, the telescopic oil cylinder ascends section by section, the platform descends and presses the oil into the oil tank through an electromagnetic valve reversing valve by self weight, when the electromagnetic valve reversing valve is switched on, the telescopic oil cylinder descends section by section, and the vertical lifting of the bracket 12 is realized by controlling the telescopic oil cylinder. Illustratively, the lifting platform 11 comprises a screw mechanism, a motor or a manual drive worm rotates, the worm drives a worm wheel to rotate in a speed reducing manner, an inner cavity of the worm wheel is processed into an internal thread to drive the screw rod to move up and down, the speed reducing effect of the screw rod is achieved due to the worm wheel and the worm arranged inside, the effect of amplifying thrust is achieved, and the lifting of the bracket 12 is achieved through the up and down movement of the screw rod. Illustratively, the lifting platform 11 includes a rack mechanism, and the gear and the rack cooperate to form a rack-and-pinion linear motion pair, and the rack is driven by a hand gear to realize the lifting motion of the bracket 12.

The position of the carriage 12 on the lift table 11 is determined according to the structure of the lift table 11. For example, the lifting platform 11 is a hydraulic lifting platform 11, and the bracket 12 is arranged at the top of the lifting platform 11, it can be understood that the hydraulic lifting platform 11 has a scissor mechanical structure, so that the lifting platform 11 has higher stability, and the scissor mechanical structure is driven to extend or contract by pressure transmission of hydraulic oil, so as to realize the lifting function; the lifting platform 11 is a screw rod lifting platform 11, and the bracket 12 is arranged between the top and the bottom of the lifting platform 11.

The material of the horizontal plate 13 is not limited, and for example, the horizontal plate 13 may be a light plate, so as to reduce the stress on the bracket 12 and prolong the service life of the bracket 12. The adjustment mode of the horizontal plate 13 and the bracket 12 is not limited, and for example, the horizontal plate 13 and the bracket 12 may be slid, one of the horizontal plate 13 and the bracket 12 is formed with a slide block, and the other is formed with a track; the cross plate 13 and the bracket 12 may be formed with a plurality of mounting holes, and fixed after adjusting the position.

The adjustment position of the base 14 and the horizontal plate 13 is not limited, and may be, for example, sliding, one of the base 14 and the horizontal plate 13 is formed with a convex rail, and the other is formed with a groove, and the convex rail and the groove slide in a matching manner; the base 14 and the cross plate 13 may be formed with a plurality of mounting holes, and the positions may be adjusted and fixed.

The embodiment of the application provides a laser beam machining frame 1, bracket 12 can be along vertical adjusting position on elevating platform 11, horizontal board 13 can be along horizontal adjusting position on bracket 12, base 14 can be along vertical adjusting position on horizontal board 13, moreover, the steam generator is simple in structure, through bracket 12, the position control of horizontal board 13 and base 14 has realized the regulation demand to different processing positions of laser beam machining head, the processing problem of waiting to process when the work piece is difficult to remove has been solved, and the production efficiency is improved.

In one embodiment, the carriage 12 includes a moving member 121 and a supporting plate 122. The two moving members 121 are disposed on the lifting platform 11 at intervals, and each moving member 121 includes a moving portion 1211 and a supporting portion 1212 connected to each other. The moving unit 1211 is adjusted in position in cooperation with the elevating table 11. For example, the lifting stage 11 includes a screw mechanism, and the moving portion 1211 is a slider, and the position is adjusted by pushing the slider with a screw. The moving portion 1211 extends in the vertical direction, the lifting portion 1212 extends in the direction perpendicular to the vertical direction, and the moving portion 1211 can move in the vertical direction on the lift table 11 to perform position adjustment. It is understood that the direction perpendicular to the vertical direction is not limited, and may be a transverse direction or a longitudinal direction, and when the lifting portion 1212 extends in the transverse direction, the transverse plate 13 can move in the transverse direction for a larger distance than when the lifting portion 1212 extends in the longitudinal direction. The retainer plate 122 is provided on the lifting portion 1212, and the horizontal plate 13 is provided on the retainer plate 122, so that the position of the retainer plate 122 can be adjusted in the lateral direction. In this way, the lifting portion 1212 is used for lifting the supporting plate 122, and the lifting portion 1212 is arranged to extend in a direction perpendicular to the vertical direction, so as to strengthen the force applied to the supporting plate 122.

In one embodiment, the laser processing frame 1 includes a first connecting member 15 and a first fastening member 16, and the first connecting member 15 is disposed on a side of the cross plate 13 adjacent to the bracket 12. The bracket 12 is transversely formed with a first waist slot 12a, and a first fastener 16 is inserted into the first waist slot 12a and connected with the first connecting member 15, so that the transverse plate 13 can be adjusted in position along the first waist slot 12 a. The first connecting member 15 and the first fastening member 16 are not limited in structure, for example, the first connecting member 15 may be a threaded hole, and the first fastening member 16 may be a bolt, which is threaded through the first waist groove 12a and connected with the cross plate 13. It will be appreciated that the first waist groove 12a functions as a guide and the first link member 15 functions as a link. The first connecting member 15 can also be a moving member, and specifically, can move in the longitudinal direction, that is, the transverse plate 13 is adjusted to a required position along the first waist groove 12a, the first connecting member 15 is adjusted to be above the first waist groove 12a, and the first fastening member 16 passes through the first waist groove 12a and is fixed with the first connecting member 15. In this way, the cross plate 13 can move in the lateral direction on the bracket 12. The transverse plate 13 is transversely adjusted through the design of the first connecting piece 15, the first fastening piece 16 and the first waist groove 12a, the structure is simple, and the processing efficiency is improved.

In one embodiment, the laser processing frame 1 includes a second connecting member 17 and a second fastening member 18, a second waist groove 13b is formed in the longitudinal direction of the side of the cross plate 13 facing away from the bracket 12, the second connecting member 17 is disposed on the second waist groove 13b and can move in the longitudinal direction, a plurality of mounting holes 14a are formed in the base 14, and the second fastening member 18 passes through the mounting holes 14a and is connected with the second connecting member 17, so that the base 14 can adjust the position along the second waist groove 13 b. It can be understood that there are two ways to move the base 14, the first means is to adjust the base 14 to a desired position by removing the second fastening member 18, then adjust the second connecting member 17 to the position below the mounting hole 14a, and fix the second fastening member 18 with the second connecting member 17 through the mounting hole 14a; the second finger is fixed to the second connecting member 17 by passing the second fastening member 18 through the mounting hole 14a, and the base 14 is moved in the longitudinal direction by the second connecting member 17 moving in the longitudinal direction. The longitudinal adjustment of the base 14 is realized through the matching of the second connecting piece 17, the second fastening piece 18 and the mounting hole 14a, the structure is simple, and the processing efficiency is improved.

In one embodiment, referring to fig. 3, the transverse plate 13 is a profile, and the periphery of the transverse plate is formed with a raised groove running through in the longitudinal direction, wherein the second waist groove 13b is a raised groove on the upper surface of the transverse plate 13, and a first groove 13a is formed in the longitudinal direction on one side close to the bracket 12. The type of the section is not limited, and the section can be an aluminum section or a stainless steel section. It is understood that the channel cross-section of the channel in the cross plate 13 is "convex" in the raised channel, with the width of the lower portion of the raised channel being greater than the width of the upper portion. The first connecting piece 15 and the second connecting piece 17 are both nut sliders and are slidably arranged in the corresponding convex grooves. The section bar is vertically link up, makes things convenient for the nut slider to install through the opening part that link up, simultaneously, because the lower part width of type of protruding recess is greater than the upper portion opening, the nut slider is located the lower part of type of protruding recess, and the step between the upper and lower part of type of protruding recess carries out vertical spacing to the nut slider. Specifically, the first fastener 16 and the second fastener 18 may be bolts with nuts. The nut sliding block is correspondingly arranged in the convex groove in a sliding mode, and the bolt with the nut is matched with the nut sliding block to achieve fixing. Through adopting the existing structural section in the market, the structure is simplified, and the cost is saved.

In one embodiment, the base 14 includes a movable base 141, a connecting plate 142, and a side plate 143. The movable seat 141 can be adjusted in position in the longitudinal direction on the cross plate 13. The connection plate 142 is provided at one side of the moving base 141 in the longitudinal direction for mounting the laser processing head. The side plates 143 are disposed at both sides of the moving base 141 in the transverse direction and fixedly connected to the connection plate 142. The shape of the side plate 143 is not limited, and the side plate 143 is exemplarily a right triangle, and two right triangles are respectively connected to the moving seat 141 and the connecting plate 142. It can be understood that the side plates 143 strengthen the stress of the connecting plate 142, improving the bearing capacity of the connecting plate 142, and the side plates 143 are right-angled triangular plates, so that materials are saved, and the cost is saved.

In another aspect of the embodiments of the present application, please refer to fig. 4, a laser processing apparatus is provided, which includes any one of the laser processing frames 1, an optical fiber, and a laser processing head 2.

Laser processing equipment includes, but is not limited to, laser welders, laser cutters, and the like, and laser processing equipment includes a laser capable of emitting a laser beam. Laser beam processing head 2 sets up on laser beam processing frame 1, and optic fibre one end is connected with the laser instrument, and the other end is connected with laser beam processing head 2, and on laser beam transmitted laser beam processing head 2 through optic fibre, laser beam processing head 2 was processed into thermal chemical energy with light energy conversion.

In one embodiment, the laser processing apparatus further comprises a support 3 disposed on a side of the cross plate 13 or the base 14 away from the laser processing head 2 for supporting the optical fiber. Through setting up support 3, reduced the cracked phenomenon of optic fibre, improved the machining precision, reduced the replacement cost of optic fibre.

In one embodiment, the bracket 3 includes a connecting seat 31 and a supporting member 32. The support 32 has a guide groove 32a, and the bottom contour of the guide groove 32a is formed in a smoothly curved shape convex toward the upper portion. The overall configuration of the guide groove 32a is not limited, and for example, the guide groove 32a may be a concave groove with both ends and an upper opening, and the optical fiber is put into the guide groove 32a from the upper opening and hung on the bottom of the guide groove 32 a. The guide groove 32a may be a groove having both ends open and a peripheral side closed in the longitudinal direction, i.e., an upper portion is also closed, and the optical fiber is inserted into one end of the guide groove 32a and is extended out from the other end to be suspended at the bottom of the guide groove 32 a. The walls of the guide groove 32a may be provided with holes. It will be understood that the contour of the bottom of the guide groove 32a formed in a smoothly curved shape convex toward the upper portion means that the entire contour is smoothly curved, and the bottom of the groove may be partially open or discontinuously open. The depth of the guide groove 32a is not limited, that is, the groove bottom may not be the bottom of the support member 32, and the bottom of the support member 32 may be a smooth straight line, a smooth curve, a profile, or the like.

The guide groove 32a serves to support the optical fiber so that the optical fiber is suspended along a groove bottom of the guide groove 32a, the minimum radius of curvature of which is larger than a predetermined radius at which the optical fiber is broken. That is, the radius of curvature at each location of the groove bottom is larger than the predetermined radius. Specifically, the predetermined radius may be a minimum bend radius of the optical fiber, which refers to the minimum value of the angle at which the optical fiber can be bent safely within any given point, the minimum bend radius being determined according to the diameter and type of the optical fiber. Because the minimum curvature radius of the groove bottom of the guide groove 32a is larger than the preset radius of the broken optical fiber, the phenomenon of optical fiber breakage is reduced, the processing precision is improved, and the replacement cost of the optical fiber is reduced.

In one embodiment, the laser processing apparatus further includes an adaptor 4 disposed on the laser processing rack 1, wherein one end of the adaptor 4 is connected to the optical fiber, and the other end of the adaptor is connected to the laser processing head 2, and is configured to focus a laser beam transmitted by the optical fiber.

The adapter 4 can be a collimator, divergent light transmitted by the optical fiber is changed into parallel light through a similar convex lens arranged in front of the collimator, and laser beams transmitted by the optical fiber are focused to enable the light to be coupled into the laser processing head 2 with maximum efficiency.

The adapter 4 is not limited to be mounted on the laser processing frame 1, and can be arranged on the base 14, so that when the base 14 moves on the transverse plate 13 along the longitudinal direction, the phenomenon that the optical fiber deviates from the bracket 3 due to relative movement with the laser processing head 2 is reduced.

In one embodiment, the laser processing apparatus further includes an illumination device 5, an opening is formed on one side of the base 14, and the illumination device 5 is clamped on the opening. It is understood that the illumination device 5 is not limited to the kind of light source. Illustratively, the illumination device 5 may be a spotlight, the base 14 has an opening formed in the side plate 143, and the spotlight has a clamping structure that can be clamped in the opening. The lighting device 5 is compact in structure and convenient to install, and realizes a lighting function.

In one embodiment, the laser machining apparatus includes a camera monitoring device 6 disposed on the laser machining head 2 and connected to the base 14 for remotely monitoring the operation. Illustratively, the camera monitoring device 6 is arranged on the top of the laser processing head 2 and connected with the connecting plate 142 of the base 14, so as to facilitate shooting. Specifically, the imaging monitoring device 6 may be a three-dimensional laser scanner, which is rotatably provided on the top of the laser processing head 2. For example, the three-dimensional laser scanner scans the machining position every preset time, for example, every 1min, and the record of all scans can be displayed in real time at the operator, for example, by accessing a computer to display the monitoring results. The camera monitoring device 6 may also be a miniature camera or other device that can monitor the laser machining in real time. The camera monitoring device 6 improves the operation precision of the laser processing head 2, has a compact structure and saves space.

The above description is only a preferred embodiment of the present application, and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. All changes, equivalents, modifications, etc. that come within the spirit and scope of the disclosure are intended to be embraced therein.

Claims

1. A laser processing frame, comprising:

a lifting platform;

the bracket is arranged on the lifting platform and can adjust the position on the lifting platform along the vertical direction;

2. The laser processing stand of claim 1, wherein the carriage comprises:

3. The laser processing frame of claim 1, wherein the laser processing frame includes a first connector and a first fastener; the first connecting piece is arranged on one side, close to the bracket, of the transverse plate, a first waist groove is formed in the transverse direction of the bracket, and the first fastening piece penetrates through the first waist groove and is connected with the first connecting piece, so that the transverse plate can adjust the position along the first waist groove; and/or the presence of a gas in the gas,

4. The laser processing frame according to claim 3, wherein the transverse plate is a profile, the upper and lower surfaces of the transverse plate are both formed with a raised groove running through in the longitudinal direction, the second waist groove is a raised groove on the upper surface of the transverse plate, and the first connecting piece and the second connecting piece are both nut sliders and are slidably disposed in the corresponding raised grooves.

5. The laser processing rack of claim 1, wherein the base comprises:

6. A laser machining apparatus, characterized by comprising:

the laser processing stand of any one of claims 1 to 5;

an optical fiber for transmitting a laser beam;

7. The laser processing apparatus of claim 6, further comprising a support provided on a side of the cross plate or the base remote from the laser processing head for supporting the optical fiber.

8. The laser machining apparatus of claim 7, wherein the carriage includes:

the connecting seat is connected with the transverse plate or the base;

9. The laser processing apparatus as claimed in claim 6, further comprising an adapter provided on the base, the adapter being connected to the optical fiber at one end and to the laser processing head at the other end for focusing the laser beam transmitted by the optical fiber.

10. The laser processing apparatus of claim 6, further comprising:

the lighting device is characterized in that an opening is formed in one side of the base, and the lighting device is clamped on the opening; and/or the presence of a gas in the gas,