CN108057959B - Laser processing apparatus - Google Patents
Laser processing apparatus Download PDFInfo
- Publication number
- CN108057959B CN108057959B CN201810081433.2A CN201810081433A CN108057959B CN 108057959 B CN108057959 B CN 108057959B CN 201810081433 A CN201810081433 A CN 201810081433A CN 108057959 B CN108057959 B CN 108057959B
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- bearing
- laser processing
- grabbing
- workbench
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- 238000012545 processing Methods 0.000 title claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001179 sorption measurement Methods 0.000 claims description 26
- 238000009423 ventilation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 2
- 238000007639 printing Methods 0.000 abstract description 5
- 239000012780 transparent material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 239000000969 carrier Substances 0.000 description 8
- 239000011521 glass Substances 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000007650 screen-printing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/361—Removing material for deburring or mechanical trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides laser processing equipment, which comprises a workbench, a laser processing unit, a bearing unit and a loading and unloading unit, wherein the laser processing unit is arranged on the workbench, the bearing unit comprises two bearing pieces and a driving mechanism, the two bearing pieces are movably arranged on the workbench, the bearing pieces are used for loading workpieces and conveying the workpieces to the laser processing unit, the driving mechanism is in driving connection with the two bearing pieces and is used for driving the two bearing pieces to slide back and forth relative to the workbench, the two bearing pieces are alternately positioned at the laser processing unit, and the loading and unloading unit is used for loading the workpieces on the bearing unit and unloading the workpieces on the bearing unit by adopting a laser processing technology, so that a transparent material printing layer can be selectively removed, the traditional ink processing mode is simplified, the precision is higher, the edge effect is better, the double-station and bidirectional loading and unloading structure is carried, and the processing efficiency of the transparent material printing layer is greatly improved.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to laser processing equipment.
Background
In the industry of glass screen printing processing, the processing procedures related to the traditional ink processing mode are complex, and the processing efficiency is limited. The main flow process comprises the following steps: the glass screen is used as a substrate, an ink layer is printed on the surface of the glass screen, the functions of enhancing shading, insulating, adhering a back glue transition layer and the like are achieved, the appearance layer is printed after the ink layer is printed, and silk screen printing is carried out on the surface of the appearance layer, so that functional expression and appearance display are achieved.
The inventors found in the study that at least the following disadvantages exist in the conventional glass screen printing process:
the traditional ink processing mode is adopted to carry out glass screen printing processing, and the corresponding area of silk screen cover is empty when printing ink needs, often needs to do multilayer cover and empty, has the problem that the cover position is inaccurate, pattern edge is unclear etc. and overall inefficiency.
Disclosure of Invention
The invention aims to provide laser processing equipment so as to solve the problems of inaccurate sleeve position, unclear pattern edge and low efficiency in the traditional glass screen printing processing by adopting an ink processing mode.
Embodiments of the present invention are implemented as follows:
in view of the above object, the present invention provides a laser processing apparatus comprising:
the working platform is provided with a working table,
a laser processing unit mounted on the workbench,
the bearing unit comprises two bearing parts and a driving mechanism, wherein the two bearing parts are movably arranged on the workbench, the bearing parts are used for loading workpieces and conveying the workpieces to the laser processing unit, the driving mechanism is in driving connection with the two bearing parts and is used for driving the two bearing parts to slide back and forth relative to the workbench, the two bearing parts are alternately positioned at the laser processing unit, and
And the loading and unloading unit is used for loading the workpiece onto the bearing unit and unloading the workpiece on the bearing unit.
In a preferred embodiment of the present invention, the laser processing unit includes a support structure, a laser generator and a vibrating mirror, where the support structure includes a mounting member, a main support assembly and an auxiliary support assembly, the main support assembly includes a support arm, a mounting seat and a limiting member, the mounting seat is mounted on the workbench, the support arm is hinged on the mounting seat, the support arm has a first support surface and a second support surface, the limiting member is movably mounted on the mounting seat, the limiting member can abut against the second support surface to limit rotation of the support arm relative to the mounting seat, and the mounting member can abut against the first support surface, so that the support arm has a rotation movement trend and the second support surface abuts against the limiting member; the auxiliary supporting component comprises a guide rod and a guide sleeve, the guide sleeve is in sliding connection with the guide rod, the guide rod is connected with the mounting piece, and the guide sleeve is connected with the mounting seat; the laser generator and the vibrating mirror are mounted on the mounting piece.
In a preferred embodiment of the present invention, the supporting arm is in a triangle plate shape, the adjacent first side surface and second side surface of the triangle plate are the first supporting surface and the second supporting surface respectively, the supporting arm is hinged with the mounting seat at the intersecting position of the first supporting surface and the second supporting surface, the limiting piece is a positioning screw, the limiting piece is in threaded connection with the mounting seat, and the end part of the limiting piece can be abutted against the second supporting surface.
In a preferred embodiment of the invention, the driving mechanism comprises a motor and a screw transmission assembly, the motor and the screw transmission assembly are installed on the workbench, the motor is in driving connection with the screw transmission assembly, and the two bearing pieces are installed on a sliding block of the screw transmission assembly.
In a preferred embodiment of the present invention, the carrier includes a carrier plate, at least one positioning portion for placing a workpiece is disposed on the carrier plate, at least one first ventilation hole and two or more light-passing holes are disposed on the carrier plate, the two or more light-passing holes extend to the positioning portion, a light source is installed in the carrier plate, and light of the light source can pass through the light-passing holes;
The laser processing equipment further comprises a first vacuum generator, wherein the air inlet end of the at least one first vent hole extends to the positioning part, and the air inlet of the first vacuum generator is communicated with the air outlet end of the at least one first vent hole.
In a preferred embodiment of the invention, the feeding and discharging unit comprises a positioning mechanism and a grabbing mechanism, wherein the grabbing mechanism is provided with two groups corresponding to the two bearing pieces respectively, the positioning mechanism comprises a vision camera, and the vision camera is arranged on the workbench and is used for collecting the outline image of the workpiece on the bearing piece and feeding information back to the control system of the laser processing unit.
In a preferred embodiment of the present invention, the gripping mechanism includes a base, a gripping member, a telescopic cylinder, an elastic member, and a second vacuum generator, where the gripping member is movably connected to the base, the telescopic cylinder is used to drive the gripping member to slide reciprocally with respect to the base, the gripping member has an adsorption surface, at least one second ventilation hole is provided on the gripping member, an air inlet end of the second ventilation hole extends to the adsorption surface, the elastic member is connected to the base and the gripping member, an elastic direction of the elastic member is parallel to a sliding direction of the gripping member and the base, an air inlet of the second vacuum generator is connected to an air outlet end of the at least one second ventilation hole, the base is slidably mounted on a workbench, and a sliding direction of the base and the workbench is perpendicular to a sliding direction of the bearing member with respect to the workbench; the vision camera is arranged on the base and slides synchronously with the base.
In a preferred embodiment of the present invention, the vision camera is slidably disposed on the base, and a sliding direction of the vision camera is perpendicular to the workbench.
In a preferred embodiment of the present invention, the gripping mechanism further includes an anti-falling component, where the anti-falling component includes a telescopic arm, a driving wheel and a supporting arm, the driving wheel is rotatably disposed on the gripping member, a rotation axis of the driving wheel is parallel to the adsorption surface, one end of the telescopic arm is hinged to a piston rod of the telescopic cylinder, the other end of the telescopic arm is sleeved outside the driving wheel, the supporting arm has a connection section and a supporting section, one end of the connection section is mounted on the driving wheel, the other end of the connection section is connected with the supporting section, the connection section is obliquely disposed with the supporting section, an end of the supporting section extends in a direction close to the gripping member, the piston rod slides reciprocally relative to a cylinder body of the telescopic cylinder, so that the telescopic arm drives the driving wheel to rotate, so that the supporting arm swings relative to the gripping member, and the supporting section can swing below the adsorption surface, so that a space for accommodating a workpiece is formed between the supporting section and the adsorption surface;
The grabbing piece is provided with a stroke adjusting channel, the piston rod is arranged in the stroke adjusting channel in a sliding mode, the piston rod is provided with a first limiting piece, a second limiting piece and a third limiting piece are arranged in the stroke adjusting channel, the first limiting piece is located between the second limiting piece and the third limiting piece, the second limiting piece and the third limiting piece are located on a sliding path of the first limiting piece, and the first limiting piece can slide back and forth between the second limiting piece and the third limiting piece; when the first limiting piece slides to be in butt joint with the second limiting piece, the bearing section is located below the adsorption surface, and when the first limiting piece slides to be in butt joint with the third limiting piece, the bearing section leaves below the adsorption surface.
Based on the second object, the present invention provides a laser processing apparatus comprising:
a workbench, a supporting piece with adjustable height is arranged at the bottom of the workbench,
a laser processing unit mounted on the workbench,
the bearing unit comprises two bearing parts and a driving mechanism, wherein the two bearing parts are movably arranged on the workbench, the bearing parts are used for loading workpieces and conveying the workpieces to the laser processing unit, the driving mechanism is in driving connection with the two bearing parts and is used for driving the two bearing parts to slide back and forth relative to the workbench, the two bearing parts are alternately positioned at the laser processing unit, and
And the loading and unloading unit is used for loading the workpiece onto the bearing unit and unloading the workpiece on the bearing unit.
The embodiment of the invention has the beneficial effects that:
in summary, the embodiment of the invention provides a laser processing device, which adopts a laser processing technology to selectively remove a transparent material printing layer, simplifies the traditional ink processing mode, has higher precision and better edge effect, is provided with a double-station and bidirectional feeding and discharging structure, and greatly improves the processing efficiency of the transparent material printing layer. The method comprises the following steps:
the embodiment provides a laser processing equipment, it is including workstation, laser processing unit, load-bearing unit and last unloading unit, and laser processing unit, load-bearing unit and last unloading unit are all installed on the workstation. The bearing unit comprises two bearing parts, the two bearing parts are arranged on the workbench in a sliding manner through the driving mechanism, each bearing part can position and convey a workpiece to the laser processing unit, the two bearing parts alternately move to the laser processing unit, the unloading and loading time of the workpiece is shortened, the neutral period of the laser processing unit is shortened, the laser processing unit can continuously process the workpiece, the utilization rate of the laser is improved, and the processing efficiency of the workpiece is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a support structure of a laser processing unit according to an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting of a laser processing unit according to an embodiment of the present invention;
FIG. 3 is a schematic view of a mounting base of a laser processing unit according to an embodiment of the present invention;
FIG. 4 is a schematic view of a support arm of a laser processing unit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a laser processing unit according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a laser processing apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic view of a carrier of a carrying unit according to an embodiment of the invention;
fig. 8 is a schematic diagram of a loading and unloading unit (not shown with anti-falling components) according to an embodiment of the present invention;
FIG. 9 is a schematic view of a gripper of an unloading and loading unit according to an embodiment of the present invention;
Fig. 10 is a schematic cross-sectional view of a gripping member of the loading and unloading unit according to an embodiment of the present invention;
FIG. 11 is a schematic view illustrating a state of an anti-falling assembly of a loading and unloading unit according to an embodiment of the invention;
fig. 12 is a schematic view illustrating another state of the anti-falling assembly of the loading and unloading unit according to the embodiment of the invention.
Icon: 1-a mounting; 11-mounting a base plate; 12-a first side panel; 13-a second side plate; 14-a third side panel; 15-supporting rods; 151-a first support; 152-a second support; 153-locking part; 154-guide groove; 2-a main support assembly; 201-a support arm; 202-triangle; 212-a first bump; 213-a second bump; 214-a mounting base; 215-a main housing; 216-an auxiliary seat; 217-a fixed plate; 023-a limiting member; 3-an auxiliary support assembly; 31-a guide rod; 32-a guide sleeve; 10-a workbench; 20-a carrier; 21-a positioning part; 22-light holes; 23-a first vent; 24-light source; 30-a driving mechanism; 50-a laser generator; 60-vibrating mirror; 70-a vision camera; 80-mounting rack; 100-base; 110-a first plate; 120-a second plate; 130-a first guide; 200-grabbing piece; 210-mounting plates; 220-grabbing plates; 221-vent holes; 222-a second stop; 223-third limiting piece; 224-stroke adjustment channel; 230-reinforcing plates; 240-a second guide; 300-elastic member; 400-telescoping cylinder; 410-a first stop; 420-an electromagnetic valve; 500-a second vacuum generator; 600-sucking disc; 700-anti-drop assembly; 710—telescoping arm; 720-a driving wheel; 730-a support arm; 731-connecting section; 732-support section.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Examples
Referring to fig. 1, the present embodiment provides a laser processing apparatus, which includes a workbench 10, a laser processing unit, a carrying unit, and a loading and unloading unit. The laser processing unit, the carrying unit and the loading and unloading unit are mounted on the workbench 10.
The stage 10 includes a granite base plate and an adjustable height support mounted to the bottom of the base plate. The base plate can be a rectangular plate, the supporting piece can be a supporting frame, and more than two supporting legs with adjustable heights are arranged on the supporting frame.
Referring to fig. 1-5, two sets of laser processing units are provided, the two sets of laser processing units are disposed opposite to each other, and a sliding space for sliding the carrier is formed between the two sets of laser processing units. Each group of laser processing units comprises a mounting piece 1, a main supporting component 2, an auxiliary supporting component 3, a laser generator 50 and a vibrating mirror 60. The mounting piece 1 is used for mounting the galvanometer 60 and the laser generator 50, the main support component 2 and the auxiliary support component 3 are used for being supported on the mounting piece 1, stability of the mounting piece 1 is guaranteed, and the height of the mounting piece 1 is adjusted by utilizing the main support component 2, so that adjustment of positions of the galvanometer 60 and the laser generator 50 is achieved.
In this embodiment, the mounting member 1 includes a mounting base plate 11, a support rod 15, a first side plate 12, a second side plate 13 and a third side plate 14, the mounting base plate 11 is a rectangular plate, the first side plate 12, the second side plate 13 and the third side plate 14 are located on three adjacent sides of the mounting base plate 11 and are fixedly connected with the mounting base plate 11, the second side plate 13 is located between the first side plate 12 and the third side plate 14, and the second side plate 13 is used for mounting the vibrating mirror 60. Threaded holes are provided in the second side plate 13 for screwing the screws, and threaded holes are provided in the mounting base plate 11 for screwing the screws.
Optionally, the support rod 15 is a telescopic structure, the support rod 15 includes a first support portion 151, a second support portion 152, and a locking portion 153, the first support portion 151 is slidably connected with the second support portion 152, the first support portion 151 and the second support portion 152 are connected through the locking portion 153, and the locking portion 153 is used for controlling the lengths of the first support portion 151 and the second support portion 152. Further, the first supporting portion 151 is in a long strip shape, the cross section of the first supporting portion 151 perpendicular to the length direction thereof is square, for example, a cuboid strip or a square strip is provided, a guiding groove 154 is provided on one length side surface of the first supporting portion 151, the length direction of the guiding groove 154 is parallel to the length direction of the first supporting portion 151, optionally, the guiding groove 154 is a rectangular groove, more than two threaded holes are provided at the bottom of the guiding groove 154 for screwing bolts or screws, and more than two threaded holes are arranged at intervals along the length direction of the guiding groove 154. The second supporting portion 152 is in a long strip shape, the cross section of the second supporting portion 152 perpendicular to the length direction of the second supporting portion is square, for example, the second supporting portion 152 can be a cuboid strip or a square strip, the second supporting portion 152 is slidably arranged in the guide groove 154, the second supporting portion 152 can slide in the guide groove 154 relative to the first supporting portion 151, at least one threaded hole is formed in the second supporting portion 152, in the sliding process of the second supporting portion 152, the threaded hole in the second supporting portion 152 can correspond to the threaded hole in the first supporting portion 151, and the first supporting portion 151 and the second supporting portion 152 can be fixedly connected in a threaded mode through bolts or screws. I.e., the locking portion 153 may be a bolt or a screw.
By setting the support rod 15 to a telescopic structure, adjustment of the height of the mount 1 can be achieved. Obviously, the direction of extension and contraction of the supporting rod 15 is parallel to the direction of the acting force of the supporting rod 15 on the supporting arm 201, that is, the height of the mounting piece 1 can be adjusted by adjusting the length of the supporting rod 15, and meanwhile, the height of the mounting piece 1 can be adjusted by the matching structure of the supporting rod 15 and the supporting arm 201, so that the height adjusting range of the mounting piece 1 is enlarged.
It should be noted that, the guiding groove 154 may be a dovetail groove or a T-shaped groove, so that the second supporting portion 152 is not easy to slide out of the guiding groove 154 on the first supporting portion 151, stability of the first supporting portion 151 and the second supporting portion 152 is increased, and adjustment is safer and more reliable.
The mount 214 includes a main body 215, an auxiliary body 216 and a fixing plate 217, the main body 215 is rectangular, the main body 215 is mounted on the workbench, the auxiliary body 216 is of a plate-shaped structure, the auxiliary body 216 is mounted on one side of the main body 215, the auxiliary body 216 is arranged on one side of the main body 215 in a protruding manner, the fixing plate 217 is mounted on the auxiliary body 216, and the fixing plate 217 is arranged on one plate surface of the auxiliary body 216 in a protruding manner. The auxiliary seat 216 is provided with a mounting through hole, a rotating shaft is inserted in the mounting through hole, and a rotating bearing is sleeved outside the rotating shaft. The fixing plate 217 is provided with a screw hole, which is located below the mounting through hole.
In this embodiment, the support arm 201 includes a triangle 202, a first protrusion 212 and a second protrusion 213, a through hole is disposed at one corner of the triangle 202, the first protrusion 212 and the second protrusion 213 are mounted on the same board surface of the triangle 202, and are respectively located at positions of two other corners of the triangle 202, the first protrusion 212 is cylindrical, the second protrusion 213 is cylindrical, an outer circumferential surface of the first protrusion 212 is set as a first supporting surface, and an outer circumferential surface of the second protrusion 213 is set as a second supporting surface.
The limiting member 023 is a limiting screw for screwing on the fixing plate 217.
The auxiliary supporting component 3 comprises a guide rod 31 and a guide sleeve 32, the guide sleeve 32 is provided with a cylindrical through hole, the guide rod 31 is a cylindrical rod, the guide rod 31 is inserted into the guide sleeve 32, and the guide rod 31 slides back and forth in the cylindrical through hole relative to the guide sleeve 32.
In the bearing unit provided in this embodiment, the triangle 202 is sleeved outside the rotating bearing of the auxiliary seat body 216 through the through hole arranged on the triangle 202, so that the triangle 202 rotates relative to the auxiliary seat body 216, the limiting piece 023 is screwed on the fixing plate 217, and the end part of the limiting piece 023 can be abutted on the outer circumferential surface of the second protrusion 213, so as to limit the rotation of the supporting arm 201. The guide sleeve 32 is mounted on the main body 215, the guide rod 31 is mounted on the mounting base plate 11, the guide rod 31 is inserted into the guide sleeve 32, the outer circumferential surface of the guide rod 31 is abutted against the inner circumferential surface of the guide sleeve 32, and the end portion of the second support portion 152 away from the first support portion 151 can be abutted against the first protrusion 212. The working principle of the supporting structure is that the gravity of the load on the mounting piece 1 is transmitted to the first bulge 212 through the mounting piece 1, so that the supporting arm 201 has a movement trend of rotating relative to the auxiliary seat body 216, and the limiting piece 023 is abutted on the second bulge 213, so that the supporting arm 201 cannot rotate relative to the auxiliary seat body 216, and stress balance is realized. When the height of the mounting piece 1 needs to be adjusted, the limiting piece 023 is screwed, the abutting position of the limiting piece 023 and the second protrusion 213 is changed, at this time, the supporting arm 201 rotates by a certain angle relative to the auxiliary seat body 216, and then the contact position of the first protrusion 212 and the second supporting portion 152 is changed, and the height of the mounting piece 1 is adjusted, that is, the height of the mounting piece 1 in the vertical direction is adjusted through the rotation of the supporting arm 201. Meanwhile, the length of the supporting rod 15 can be adjusted, in the using process, the supporting rod 15 realizes coarse adjustment, and then fine adjustment is realized through the supporting arm 201, so that the adjusting range of the height of the mounting piece 1 is enlarged. In addition, through setting up rotation regulation structure, the load that is located on mounting 1 passes through bracing piece 15 with gravity transmission for support arm 201, and support arm 201 transmits the power that receives for spacing piece 023, and the power that spacing piece 023 received has along its axial component and along its radial component, and spacing piece 023 is difficult for being bent, also is difficult for falling from fixed plate 217, and locking effect is good.
In this embodiment, optionally, the distance from the contact position of the mounting member 1 and the support arm 201 to the rotation center of the support arm 201 is set as a first force arm, the distance from the contact position of the limiting member 023 and the support arm 201 to the rotation center of the support arm 201 is set as a second force arm, and the first force arm is smaller than the second force arm.
In other embodiments, the support arm 201 includes a triangle 202, where the triangle 202 is rotatably mounted on the auxiliary seat 216, and two adjacent sides of the triangle 202 are respectively provided as a first support surface and a second support surface.
In other embodiments, the auxiliary supporting components 3 are provided with four groups, the four groups of auxiliary supporting components 3 are located at four corners of a rectangle or square, the auxiliary seat 216 is located in an area surrounded by the four groups of auxiliary supporting components 3, and the stress of the mounting piece 1 is more stable.
In this embodiment, the carrying unit includes two carrying members 20, a driving mechanism 30 and a first vacuum generator, where the two carrying members 20 are movably mounted on the workbench 10, the carrying members 20 are used for carrying workpieces and delivering the workpieces to the laser processing unit, and the driving mechanism 30 is in driving connection with the two carrying members 20 and is used for driving the two carrying members 20 to slide reciprocally relative to the workbench 10, so that the two carrying members 20 are alternately located at the laser processing unit.
Alternatively, each carrier 20 is in a plate-shaped structure, each carrier 20 may be a rectangular plate, each carrier 20 has two positioning portions 21, at least one first ventilation hole 23 and more than two light-passing holes 22 are provided at each positioning portion 21, the more than two light-passing holes 22 extend to the positioning portions 21, and one end of at least one first ventilation hole 23 extends to the positioning portion 21. The light source 24 is arranged at the position of the bearing piece 20 corresponding to the positioning part 21, the light source 24 is positioned in the bearing plate, the light source 24 can be an LED lamp group, light rays emitted by the light source 24 can pass through more than two light passing holes 22, and a workpiece positioned at the positioning part 21 is illuminated by the light source 24, so that the positioning speed and the positioning accuracy of the workpiece are improved by matching with a CCD positioning camera. In this embodiment, 6 light passing holes 22 may be provided around each positioning portion 21.
The first vacuum generator is installed on the workbench 10, the air inlet of the first vacuum generator is communicated with at least one vent hole, and the first vacuum generator works, so that negative pressure is generated at the vent hole, and a workpiece positioned at the positioning part 21 is adsorbed and positioned. Four first ventilation holes 23 may be provided.
The driving mechanism 30 is used for driving the two carriers 20 to slide reciprocally relative to the table 10. In this embodiment, optionally, the driving mechanism 30 includes a servo motor and a screw driving assembly, the servo motor is mounted on the workbench 10, the screw driving assembly includes a screw and a slider, the slider is screwed outside the screw, the servo motor drives and connects the screw, drives the screw to rotate, realizes that the slider slides reciprocally along the axis direction of the screw, installs two bearing pieces 20 on the slider, and the two bearing pieces 20 slide synchronously, so that the control is convenient, the error is small, the positioning is accurate and reliable, and the processing quality of the workpiece is improved. It is obvious that two sets of driving mechanisms 30 may be provided to drive the two carriers 20 to slide with respect to the table 10, respectively.
In other embodiments, the driving mechanism 30 includes a linear motor, and the two carriers 20 are driven by the linear motor, so that the two carriers 20 slide reciprocally relative to the table 10, and the two carriers 20 are alternately located at the laser processing position of the table 10.
In the carrying unit provided in this embodiment, the two carrying members 20 are movably mounted on the workbench 10, the laser processing position on the workbench 10 is located between the two carrying members 20, and the driving mechanism 30 drives the two carrying members 20 to slide reciprocally relative to the workbench 10, so that the two carrying members 20 are alternately located at the laser processing position. For convenience of description, the two carriers 20 are a first carrier and a second carrier, when the first carrier is located at the laser processing position, the workpiece located on the first carrier is processed by using the laser processing mechanism, at this time, unloading and loading of the workpiece are performed on the second carrier, when the workpiece located on the first carrier is processed, loading of the workpiece located on the second carrier is also completed, and the driving mechanism 30 drives the two carriers 20 to slide relative to the workbench 10, so that the first carrier leaves the laser processing position, and meanwhile, the second carrier moves towards the laser processing position, so that the two carriers 20 alternately move to the laser processing position, thereby shortening a neutral period in the processing process and improving the processing efficiency of the workpiece.
Referring to fig. 6-12, in the present embodiment, loading and unloading of the workpiece is performed by means of two loading and unloading units, one loading and unloading unit is corresponding to each carrier 20, and the loading and unloading units are used for completing loading of the workpiece on the carrier 20 and unloading of the workpiece on the carrier 20, that is, completing loading and unloading.
In this embodiment, each loading and unloading unit positioning mechanism and grabbing mechanism, the positioning mechanism includes a vision camera 70, and the vision camera 70 is mounted on the workbench 10 and is used for collecting the outline image of the workpiece on the carrier and feeding information back to the control system of the laser processing unit. The grabbing mechanism comprises a base 100, a grabbing piece 200, an elastic piece 300, a telescopic cylinder 400, a second vacuum generator 500, a sucker 600 and an anti-falling assembly 700.
The base 100 is L-shaped, the base 100 has a first plate 110 and a second plate 120, the first plate 110 and the second plate 120 are vertically disposed, a first guide 130 is mounted on an outer plate surface of the second plate 120, a length direction of the first guide 130 extends along a direction perpendicular to an intersecting line of the first plate 110 and the second plate 120, the first guide 130 may be a rod shape with a circular cross-section outer contour, and the first guide may be a hollow rod, thereby reducing weight and saving materials. The base 100 slides and sets up on the workstation, the base 100 can be through lead screw drive mechanism, belt drive mechanism, chain drive mechanism etc. install on the workstation, the base 100 is reciprocating the slip for the workstation, the pick-up and the transport of work piece of being convenient for, the slip direction of base and workstation and the slip direction mutually perpendicular of carrier for the workstation, the base slides and drives whole last unloading unit motion, go up the unloading unit and snatch the back with the work piece from the work piece place position on the workstation and carry on the carrier, the carrier carries the work piece to laser processing unit and carries out laser processing, simultaneously, the work piece on the carrier is taken off and carry the settlement position of workstation to the work piece that corresponds to another a set of last unloading unit, then carry on the carrier after will waiting to process the work piece pick up.
The grabbing piece 200 comprises a mounting plate 210, a grabbing plate 220 and a reinforcing plate 230, wherein the mounting plate 210 and the grabbing plate 220 are rectangular plates, the reinforcing plate 230 is a triangular plate, the mounting plate 210 and the grabbing plate 220 are connected to form an L-shaped structure, one side of the mounting plate 210 is attached to the plate surface of the grabbing plate 220, the mounting plate 210 is perpendicular to the grabbing plate 220, the reinforcing plate 230 is mounted between the inner plate surface of the mounting plate 210 and the inner plate surface of the grabbing plate 220, the plate surface of the reinforcing plate 230 is perpendicular to the plate surface of the mounting plate 210, and the plate surface of the reinforcing plate 230 is perpendicular to the plate surface of the grabbing plate 220. One plate surface of the grabbing plate 220 is an adsorption surface, the grabbing plate 220 is provided with a ventilation channel and at least one second ventilation hole 221, the air inlet end of the at least one second ventilation hole 221 is positioned on the adsorption surface, and the ventilation channel is positioned in the grabbing plate 220 and is communicated with the at least one air inlet end.
Alternatively, four second vent holes 221 are provided on the grip plate 220, and the four second vent holes 221 are located at four corners of the same rectangle.
A second guide 240 is mounted on the outer plate surface of the mounting plate 210, and a length direction of the second guide 240 extends in a direction perpendicular to the plate surface of the grip plate 220. Alternatively, the second guide 240 is a guide cylinder, and the second guide 240 has a circular cross-sectional shape.
In this embodiment, the base 100 is slidably connected with the grabbing piece 200, specifically, the cylinder body of the telescopic cylinder 400 is installed on the second plate 120, the piston rod of the telescopic cylinder 400 is installed on the mounting plate 210, the telescopic cylinder 400 is started to drive the grabbing piece 200 to slide reciprocally relative to the base 100, meanwhile, the second guiding piece 240 is sleeved outside the first guiding piece 130, guiding and positioning in the sliding process are achieved, and after the installation is completed, the mounting plate 210 is parallel to the second plate 120. One end of the elastic member 300 is mounted on the second plate 120, and the other end of the elastic member 300 is mounted on the mounting plate 210, and the elastic direction of the elastic member 300 is parallel to the sliding direction of the base 100 and the grasping member 200. The elastic member 300 is detachably connected to both the mounting plate 210 and the second plate 120, and the elastic member 300 can be replaced as needed. Alternatively, one end of the elastic member 300 may be slidably connected to the mounting plate 210, and the length of the elastic member 300 may be adjusted to adjust the elastic force of the elastic member 300, and obviously, the end of the elastic member 300 mounted to the second plate 120 may be slidably connected to the second plate 120, and both ends of the elastic member 300 may be slidably connected. The second vacuum generator 500 is mounted on the first plate 110, and an air inlet of the second vacuum generator 500 may communicate with the ventilation channel through a pipe, and one suction cup 600 is mounted at an air inlet end of each second ventilation hole 221. When the workpiece needs to be grabbed, the telescopic cylinder 400 is started, the grabbing plate 220 moves towards the workpiece, when the adsorption surface just contacts the surface of the workpiece, the elastic piece 300 is in a stretching state, the elastic piece 300 generates elastic force opposite to the moving direction of the telescopic cylinder 400, the elastic force acts on the grabbing piece 200, the elastic force balances with the gravity of the grabbing piece 200 so as to counteract the gravity of the grabbing piece 200, the fact that the positioning accuracy is affected by excessive pressure is avoided, at the moment, the second vacuum generator 500 generates vacuum to pick up the workpiece through the sucking disc 600, the workpiece is adsorbed on the grabbing plate 220, the telescopic cylinder 400 moves reversely to drive the grabbing piece 200 to move towards a platform far away from the fixed workpiece, and the workpiece is successfully picked up.
The telescopic cylinder 400 and the second vacuum generator 500 may be configured as they are, and for example, the telescopic cylinder 400 may be an air cylinder or a hydraulic cylinder. The telescopic cylinder 400 is controlled by an electromagnetic valve 420 to realize reciprocating telescopic movement of the piston relative to the cylinder body.
In this embodiment, the anti-falling assembly 700 includes a telescopic arm 710, a driving wheel 720 and a supporting arm 730, the driving wheel 720 is rotatably disposed on the grabbing plate 220, the rotation axis of the driving wheel 720 is parallel to the adsorption surface, one end of the telescopic arm 710 is hinged on a piston rod, the other end of the telescopic arm 710 is sleeved outside the driving wheel, the supporting arm 730 has a connecting section 731 and a supporting section 732, one end of the connecting section 731 is mounted on the driving wheel 720, the other end of the connecting section 731 is connected with the supporting section 732, the connecting section 731 is obliquely disposed with the supporting section 732, the end of the supporting section 732 extends along the direction close to the grabbing plate 220, the piston rod slides reciprocally relative to the cylinder body, so that the telescopic arm 710 drives the driving wheel to rotate, so that the supporting arm 730 swings relative to the grabbing plate 220, the supporting section 732 swings to the lower part of the adsorption surface, and a space for accommodating workpieces is formed between the supporting section 732 and the adsorption surface; the grabbing plate 220 is provided with a stroke adjusting channel 224, a piston rod is arranged in the stroke adjusting channel 224 in a sliding manner, a first limiting piece 410 is arranged on the piston rod, a second limiting piece 222 and a third limiting piece 223 are arranged in the stroke adjusting channel 224, the first limiting piece 410 is positioned between the second limiting piece 222 and the third limiting piece 223, the second limiting piece 222 and the third limiting piece 223 are positioned on the sliding path of the first limiting piece 410, and the first limiting piece 410 can slide back and forth between the second limiting piece 222 and the third limiting piece 223; when the first limiting member 410 slides to be in contact with the second limiting member 222, the supporting section 732 is located below the adsorption surface, and when the first limiting member 410 slides to be in contact with the third limiting member 223, the supporting section 732 is separated from the lower part of the adsorption surface.
The anti-drop assembly 700 provided in this embodiment is provided with two groups, which are respectively located at two sides of the telescopic cylinder 400, and two supporting members of the two groups of anti-drop assemblies 700 can support two opposite sides of the workpiece. During the process of picking up the workpiece, the piston rod of the telescopic cylinder 400 drives the grabbing piece 200 to move downwards to approach the workpiece, when the piston rod moves to a certain position, the elastic piece 300 is stretched, the piston rod slides relative to the grabbing plate 220 when the piston rod continues to move downwards, the grabbing plate 220 cannot move downwards continuously in the process, the telescopic arm 710 rotates relative to the grabbing plate 220, and the supporting section 732 has a moving process of rotating away from the grabbing plate 220 and leaving the lower part of the adsorption surface, so that the normal picking up of the workpiece cannot be influenced. When the piston rod moves downwards to the abutment of the first limiting member 410 and the third limiting member 223, the supporting section 732 leaves the lower part of the adsorption surface, the piston rod continues to move to drive the grabbing member 200 to move downwards towards the workpiece, the second vacuum generator 500 is started to adsorb the workpiece after moving to a proper position, then the piston rod retracts to move upwards, the piston rod slides in the stroke adjusting channel 224 and has a section of idle stroke, the telescopic arm 710 rotates relative to the grabbing plate 220 during sliding in the idle stroke, the supporting section 732 rotates to be located below the adsorption surface, and during the lifting process of the workpiece, if the workpiece falls off from the adsorption surface, the workpiece is not easy to damage, and the picking is safer and more reliable.
Optionally, the first limiting member 410 is an annular limiting protrusion, the second limiting member 222 is an annular limiting protrusion, and the third limiting member 223 is an annular limiting protrusion. Further, the second stopper 222 and at least one of the second stopper 222 are slidably disposed in the stroke adjustment channel 224. By controlling the distance between the second limiting piece 222 and the third limiting piece 223, the sliding distance of the piston rod in the stroke adjusting channel 224 is controlled, the position of the bearing section 732 is further controlled, and the safe and reliable bearing of the workpiece is ensured.
It should be noted that the telescopic arm 710 may include two cylindrical rods, where the two cylindrical rods are connected in a plugging manner, and the two cylindrical rods can slide relatively.
It should be noted that, the elastic member 300 may be a spring, and the vision camera 70 may be a CCD vision camera 70.
In this embodiment, optionally, the vision camera 70 is mounted on the workbench by using the mounting frame 80, and the vision camera 70 can slide reciprocally along the vertical direction relative to the mounting frame 80, so as to adjust the distance between the vision camera 70 and the bearing member in the height direction, thereby meeting the information collection of workpieces with different sizes and thicknesses, and having wide application range. Further, the mounting frame 80 is mounted on the base 100, and moves along with the base, so that workpieces on different positioning portions on the bearing member can be accurately positioned, and the application range is wide. In this embodiment, the mounting frame 80 may include a first mounting portion and a second mounting portion, which are slidably connected, and are driven by means of a cylinder or a hydraulic cylinder, for example, the cylinder is mounted on the first mounting portion, the piston rod is connected to the second mounting portion, the vision camera 70 may be mounted on the first mounting portion, and slides synchronously with the first mounting portion, and the second mounting portion is mounted on the first plate 110 of the base 100.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A laser processing apparatus, comprising:
the working platform is provided with a working table,
a laser processing unit mounted on the workbench,
the bearing unit comprises two bearing parts and a driving mechanism, wherein the two bearing parts are movably arranged on the workbench, the bearing parts are used for loading workpieces and conveying the workpieces to the laser processing unit, the driving mechanism is in driving connection with the two bearing parts and is used for driving the two bearing parts to slide back and forth relative to the workbench, the two bearing parts are alternately positioned at the laser processing unit, and
the loading and unloading unit is used for loading the workpiece onto the bearing unit and unloading the workpiece on the bearing unit;
the feeding and discharging unit comprises a positioning mechanism and a grabbing mechanism, wherein the grabbing mechanism is provided with two groups corresponding to the two bearing parts respectively, the positioning mechanism comprises a vision camera, the vision camera is arranged on the workbench and is used for collecting outer contour images of workpieces on the bearing parts and feeding information back to a control system of the laser processing unit;
The grabbing mechanism comprises a base, a grabbing piece, a telescopic cylinder, an elastic piece and a second vacuum generator, wherein the grabbing piece is movably connected to the base, the telescopic cylinder is used for driving the grabbing piece to slide back and forth relative to the base, the grabbing piece is provided with an adsorption surface, the grabbing piece is provided with at least one second ventilation hole, the air inlet end of the second ventilation hole extends to the adsorption surface, the elastic piece is connected to the base and the grabbing piece, the elastic direction of the elastic piece is parallel to the sliding directions of the grabbing piece and the base, the air inlet of the second vacuum generator is communicated with the air outlet end of the at least one second ventilation hole, the base is slidably mounted on a workbench, and the sliding directions of the base and the workbench are perpendicular to the sliding directions of the bearing piece relative to the workbench; the vision camera is arranged on the base and slides synchronously with the base;
the grabbing mechanism further comprises an anti-dropping assembly, the anti-dropping assembly comprises a telescopic arm, a driving wheel and a bearing arm, the driving wheel is rotatably arranged on the grabbing piece, the rotation axis of the driving wheel is parallel to the adsorption surface, one end of the telescopic arm is hinged to a piston rod of the telescopic cylinder, the other end of the telescopic arm is sleeved outside the driving wheel, the bearing arm is provided with a connecting section and a bearing section, one end of the connecting section is arranged on the driving wheel, the other end of the connecting section is connected with the bearing section, the connecting section is obliquely arranged with the bearing section, the end of the bearing section extends along the direction close to the grabbing piece, the piston rod slides back and forth relative to a cylinder body of the telescopic cylinder, so that the telescopic arm drives the driving wheel to rotate, the bearing arm swings relative to the grabbing piece, and the bearing section can swing to the lower part of the adsorption surface, so that a space for accommodating a workpiece is formed between the bearing section and the adsorption surface;
The grabbing piece is provided with a stroke adjusting channel, the piston rod is arranged in the stroke adjusting channel in a sliding mode, the piston rod is provided with a first limiting piece, a second limiting piece and a third limiting piece are arranged in the stroke adjusting channel, the first limiting piece is located between the second limiting piece and the third limiting piece, the second limiting piece and the third limiting piece are located on a sliding path of the first limiting piece, and the first limiting piece can slide back and forth between the second limiting piece and the third limiting piece; when the first limiting piece slides to be in abutting connection with the second limiting piece, the bearing section is positioned below the adsorption surface, and when the first limiting piece slides to be in abutting connection with the third limiting piece, the bearing section is separated from the lower part of the adsorption surface;
the driving mechanism comprises a motor and a screw transmission assembly, the motor and the screw transmission assembly are installed on the workbench, the motor is in driving connection with the screw transmission assembly, and the two bearing pieces are installed on a sliding block of the screw transmission assembly.
2. The laser machining apparatus of claim 1, wherein the laser machining unit includes a support structure, a laser generator, and a vibrating mirror, the support structure including a mounting member, a main support assembly, and an auxiliary support assembly, the main support assembly including a support arm, a mounting base, and a limiting member, the mounting base being mounted on the table, the support arm being hinged to the mounting base, the support arm having a first support surface and a second support surface thereon, the limiting member being movably mounted on the mounting base, the limiting member being capable of abutting against the second support surface to limit rotation of the support arm relative to the mounting base, the mounting member being capable of abutting against the first support surface to cause the support arm to have a rotational movement tendency to cause the second support surface to abut against the limiting member; the auxiliary supporting component comprises a guide rod and a guide sleeve, the guide sleeve is in sliding connection with the guide rod, the guide rod is connected with the mounting piece, and the guide sleeve is connected with the mounting seat; the laser generator and the vibrating mirror are mounted on the mounting piece.
3. The laser processing apparatus according to claim 2, wherein the support arm is in a triangular plate shape, adjacent first and second side surfaces of the triangular plate are the first and second support surfaces, respectively, the support arm is hinged to the mount at a position where the first and second support surfaces intersect, the stopper is a positioning screw, the stopper is screwed to the mount, and an end of the stopper can be abutted to the second support surface.
4. The laser processing apparatus according to claim 1, wherein the carrier includes a carrier plate on which at least one positioning portion for placing a workpiece is provided, at least one first vent hole and two or more light passing holes are provided on the carrier plate, the two or more light passing holes extend to the positioning portion, a light source is installed in the carrier plate, and light of the light source can pass through the light passing holes;
the laser processing equipment further comprises a first vacuum generator, wherein the air inlet end of the at least one first vent hole extends to the positioning part, and the air inlet of the first vacuum generator is communicated with the air outlet end of the at least one first vent hole.
5. The laser processing apparatus according to claim 4, wherein the vision camera is slidably disposed on the base, and a sliding direction of the vision camera is perpendicular to the table.
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CN108717250B (en) * | 2018-06-05 | 2021-03-23 | 江苏永鼎股份有限公司 | Contact photoetching machine for semiconductor chip production |
CN110497102A (en) * | 2019-08-27 | 2019-11-26 | 武汉帝尔激光科技股份有限公司 | A kind of material transmission system and laser process equipment |
CN111215737B (en) * | 2020-01-23 | 2021-11-26 | 岭东核电有限公司 | Cutting system of nuclear power station spent fuel grillwork |
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