CN108000550B - Glass workpiece pickup mechanism and laser processing system - Google Patents
Glass workpiece pickup mechanism and laser processing system Download PDFInfo
- Publication number
- CN108000550B CN108000550B CN201810082148.2A CN201810082148A CN108000550B CN 108000550 B CN108000550 B CN 108000550B CN 201810082148 A CN201810082148 A CN 201810082148A CN 108000550 B CN108000550 B CN 108000550B
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- piece
- grabbing
- limiting piece
- base
- glass workpiece
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- 239000011521 glass Substances 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 230000005484 gravity Effects 0.000 abstract description 10
- 238000009423 ventilation Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/06—Gripping heads and other end effectors with vacuum or magnetic holding means
- B25J15/0616—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum
- B25J15/0625—Gripping heads and other end effectors with vacuum or magnetic holding means with vacuum provided with a valve
- B25J15/0633—Air-flow-actuated valves
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/0008—Balancing devices
- B25J19/0016—Balancing devices using springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
- B25J9/14—Programme-controlled manipulators characterised by positioning means for manipulator elements fluid
- B25J9/144—Linear actuators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention provides a glass workpiece picking mechanism and a laser processing system, wherein the picking mechanism comprises a base, a grabbing piece, an elastic piece and a vacuum generator, the grabbing piece is connected with the base in a sliding mode, the grabbing piece is provided with an adsorption surface, at least one vent hole is formed in the grabbing piece, the air inlet end of the vent 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 direction of the grabbing piece and the base, and the air inlet of the vacuum generator is communicated with the air outlet end of the at least one vent hole. The moving speed of the grabbing piece is reduced through the stretching of the elastic piece in the working process of the glass workpiece picking mechanism, the elastic force of the elastic piece is controlled to enable the pulling force of the elastic piece to counteract the gravity of the grabbing piece when the grabbing piece just contacts the workpiece, the fact that the positioning accuracy is affected by the fact that excessive pressure is applied to the workpiece is avoided, and the picking of the workpiece is safer and more reliable.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a glass workpiece pickup mechanism and a laser processing system.
Background
Glass is one of hard and brittle materials, and traditional glass processing depends on contact processing of a special cutter and a machine tool, and the processing mode has high stress on the glass and low yield. In recent years, with the gradual maturity of laser technology, equipment for performing non-contact cold working on glass by using ultraviolet laser is gradually moving to the market. The equipment has the characteristics of good precision, high efficiency, high yield and the like.
The inventors found in the study that the conventional glass workpiece has at least the following disadvantages in the processing and manufacturing process:
at present, when the clamp is used for picking up a glass workpiece in the glass workpiece processing process, a pressure is applied to the workpiece when the clamp is in contact with the glass workpiece, and the pressure affects the positioning accuracy of the workpiece, so that the subsequent processing efficiency of the workpiece is affected.
Disclosure of Invention
The invention aims to provide a glass workpiece picking mechanism, which aims to solve the problem that the clamp can generate pressure on a glass workpiece in the traditional glass workpiece picking process to influence the positioning precision of the glass workpiece.
The invention aims to provide a laser processing system so as to solve the problem that the positioning accuracy of a glass workpiece is affected by pressure generated on the glass workpiece by a clamp when the glass workpiece is picked up in the traditional laser processing process.
Embodiments of the present invention are implemented as follows:
based on the first object, the present invention provides a glass workpiece pickup mechanism, comprising:
a base, a base seat and a base seat,
the grabbing piece is in sliding connection with the base and is provided with an adsorption surface, at least one vent hole is arranged on the grabbing piece, the air inlet end of the vent hole extends to the adsorption surface,
an elastic member connected to the base and the gripping member, the elastic member having an elastic direction parallel to a sliding direction of the gripping member and the base, and
and the air inlet of the vacuum generator is communicated with the air outlet end of the at least one vent hole.
In a preferred embodiment of the present invention, the base is provided with a first guide member, the gripping member is provided with a second guide member, the first guide member is in clamping fit with the second guide member, and the first guide member is slidably connected with the second guide member.
In a preferred embodiment of the present invention, the first guide member is a guide rod, the second guide member is a guide sleeve, the guide sleeve is sleeved outside the guide rod, and a ball is disposed between the guide sleeve and the guide rod.
In a preferred embodiment of the invention, the glass workpiece picking mechanism further comprises a telescopic cylinder, wherein a cylinder body of the telescopic cylinder is mounted on the base, the end part of a piston rod of the telescopic cylinder is connected with the grabbing piece, and the piston rod reciprocates relative to the cylinder body to drive the grabbing piece to reciprocate relative to the base.
In a preferred embodiment of the present invention, the glass workpiece pickup mechanism further includes an anti-drop component, where the anti-drop 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 adsorbing surface, one end of the telescopic arm is hinged to the piston rod, 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 and the supporting section are obliquely disposed, an end of the supporting section extends in a direction close to the gripping member, the piston rod slides reciprocally relative to the cylinder body, so that the telescopic arm drives the driving wheel to rotate, and the supporting arm swings relative to the gripping member, and the supporting section can swing to below the adsorbing surface, so that a space for accommodating a workpiece is formed between the supporting section and the adsorbing 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.
In a preferred embodiment of the present invention, the first limiting member is an annular limiting protrusion, the second limiting member is an annular limiting protrusion, and the third limiting member is an annular limiting protrusion.
In a preferred embodiment of the present invention, at least one of the second stopper and the second stopper is slidably disposed in the stroke adjustment passage.
In a preferred embodiment of the invention, the glass workpiece picking mechanism further comprises sucking discs, wherein the sucking discs are arranged at the air holes and are arranged in one-to-one correspondence with the air holes.
In a preferred embodiment of the present invention, the elastic member is a spring.
Based on the second object, the invention provides a laser processing system, which comprises the glass workpiece pickup mechanism.
The embodiment of the invention has the beneficial effects that:
in summary, the embodiment of the invention provides a glass workpiece picking mechanism, which has a simple and reasonable structure, is convenient to manufacture and process, is convenient to install and use, reduces the moving speed of a grabbing piece through stretching of an elastic piece in the working process of the glass workpiece picking mechanism, counteracts the gravity of the grabbing piece through controlling the elasticity of the elastic piece to enable the pulling force of the elastic piece to counteract the gravity of the grabbing piece when the grabbing piece just contacts the workpiece, avoids applying an excessive pressure to the workpiece to influence the positioning precision, and is safer and more reliable to pick up the workpiece. The method comprises the following steps:
the glass workpiece picking mechanism provided by the embodiment comprises a base, a grabbing piece arranged on the base in a sliding manner, an elastic piece arranged between the grabbing piece and the base, and the elastic direction of the elastic piece is parallel to the sliding direction of the base and the grabbing piece, wherein the elastic piece can stretch in the sliding process of the base and the grabbing piece so as to generate elastic force for counteracting the gravity of the grabbing piece. A plate surface of the grabbing piece is provided with a vent hole, an air inlet of the vacuum generator is communicated with the vent hole, and the vacuum generator works, so that negative pressure is generated at the vent hole, and a workpiece positioned at an air inlet end of the vent hole can be adsorbed on an adsorption surface of the grabbing piece. The picking mechanism works in the process that the grabbing piece is operated to move towards the position where the workpiece is located, the elastic piece stretches in the process, the elastic piece has elastic force for recovering deformation, the elastic force is parallel to and opposite to the gravity direction of the grabbing piece, the elastic force of the elastic piece is gradually increased along with the increase of the sliding distance of the grabbing piece, when the sliding position of the grabbing piece reaches a set position, the gravity of the grabbing piece and the elastic force of the elastic piece are in a basic balance state, the gravity of the grabbing piece cannot act on the workpiece, the position accuracy of the workpiece cannot be influenced, at the moment, the vacuum generator is started, the workpiece is adsorbed by the adsorption surface of the grabbing piece, the grabbing piece is operated to do opposite motion relative to the base, and the workpiece is lifted and transported to the set position.
The laser processing system provided by the embodiment comprises the glass workpiece picking mechanism, and has all the advantages of the glass workpiece picking mechanism.
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 glass work pick-up mechanism (anti-drop assembly not shown) according to an embodiment of the present invention;
FIG. 2 is a schematic view of a gripper assembly of a glass work pick-up mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a gripper of a glass work pick-up mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view showing a state of an anti-falling assembly of the glass work pick-up mechanism according to an embodiment of the present invention;
fig. 5 is a schematic view showing another state of the anti-drop assembly of the glass work pick-up mechanism according to the embodiment of the present invention.
Icon: 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-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
At present, when the clamp is used for picking up a glass workpiece in the glass workpiece processing process, a pressure is applied to the workpiece when the clamp is in contact with the glass workpiece, and the pressure affects the positioning accuracy of the workpiece, so that the subsequent processing efficiency of the workpiece is affected.
In view of this, the inventor has devised a glass workpiece pickup mechanism and a laser processing system, in which the moving speed of the gripping member 200 is reduced by stretching the elastic member 300 during the operation of the glass workpiece pickup mechanism, and the tension of the elastic member 300 counteracts the gravity of the gripping member 200 by controlling the elastic force of the elastic member 300 when the gripping member 200 just contacts the workpiece, so that an excessive pressure is prevented from being applied to the workpiece to affect the positioning accuracy, and the pickup of the workpiece is safer and more reliable.
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, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus 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. 1-5, the present embodiment provides a glass workpiece pickup mechanism, which includes a base 100, a gripping member 200, an elastic member 300, a telescopic cylinder 400, a vacuum generator 500, a suction cup 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 guide bar with a circular cross-section outer contour, and the guide bar may be a hollow bar, thereby reducing weight and saving materials.
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 ventilation hole 221, an air inlet end of the at least one 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 vent holes 221 are provided on the grip plate 220, and the four 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 sleeve, 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 vacuum generator 500 is mounted on the first plate 110, and an air inlet of the vacuum generator 500 may communicate with the ventilation channel through a pipe, and a suction cup 600 is mounted at an air inlet end of each of the ventilation holes 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 positioning accuracy is prevented from being influenced by excessive pressure applied to the workpiece, the 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 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 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 to have a blank stroke, the telescopic arm 710 rotates relative to the grabbing plate 220 when sliding in the blank stroke, the supporting section 732 rotates to be located below the adsorption surface, and in the lifting process of the workpiece, if the workpiece falls off from the adsorption surface, the workpiece is not damaged, 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.
Examples
The embodiment provides a laser processing system, which comprises the glass workpiece pickup mechanism provided by the embodiment.
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 (6)
1. A glass workpiece pickup mechanism, comprising:
a base, a base seat and a base seat,
the grabbing piece is in sliding connection with the base and is provided with an adsorption surface, at least one vent hole is arranged on the grabbing piece, the air inlet end of the vent hole extends to the adsorption surface,
an elastic member connected to the base and the gripping member, the elastic member having an elastic direction parallel to a sliding direction of the gripping member and the base, and
the air inlet of the vacuum generator is communicated with the air outlet end of the at least one vent hole;
the glass workpiece pickup mechanism further comprises a telescopic cylinder, a cylinder body of the telescopic cylinder is mounted on the base, the end part of a piston rod of the telescopic cylinder is connected with the grabbing piece, and the piston rod reciprocates relative to the cylinder body to drive the grabbing piece to reciprocate relative to the base;
the glass workpiece picking mechanism further comprises an anti-drop assembly, the anti-drop 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 the piston rod, 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 the cylinder body, the telescopic arm drives the driving wheel to rotate so that 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 glass workpiece picking mechanism further comprises sucking discs, the sucking discs are arranged at the air holes, and the sucking discs are arranged in one-to-one correspondence with the air holes.
2. The glass workpiece pickup mechanism according to claim 1, wherein a first guide member is provided on the base, a second guide member is provided on the gripping member, the first guide member is engaged with the second guide member in a snap fit manner, and the first guide member is slidably connected with the second guide member.
3. The glass workpiece pickup mechanism according to claim 2, wherein the first guide member is a guide rod, the second guide member is a guide sleeve, the guide sleeve is sleeved outside the guide rod, and a ball is provided between the guide sleeve and the guide rod.
4. The glass workpiece pickup mechanism of claim 1, wherein the first stop is an annular stop tab, the second stop is an annular stop tab, and the third stop is an annular stop tab.
5. The glass workpiece pickup mechanism according to claim 1, wherein the elastic member is a spring.
6. A laser processing system comprising a glass workpiece pick-up mechanism according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082148.2A CN108000550B (en) | 2018-01-26 | 2018-01-26 | Glass workpiece pickup mechanism and laser processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082148.2A CN108000550B (en) | 2018-01-26 | 2018-01-26 | Glass workpiece pickup mechanism and laser processing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108000550A CN108000550A (en) | 2018-05-08 |
| CN108000550B true CN108000550B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082148.2A Active CN108000550B (en) | 2018-01-26 | 2018-01-26 | Glass workpiece pickup mechanism and laser processing system |
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| CN (1) | CN108000550B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045192B (en) * | 2021-05-14 | 2022-11-04 | 芜湖镌诺自动化科技有限公司 | Grabbing device and grabbing method for glass multi-station manual lobe processing |
| CN115509024A (en) * | 2022-08-31 | 2022-12-23 | 成都光创联科技有限公司 | Coupling system and lens assembling method |
Citations (8)
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| JPS63154547U (en) * | 1986-11-14 | 1988-10-11 | ||
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| CN108000550A (en) | 2018-05-08 |
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