CN210755846U - Laser processing equipment - Google Patents

Abstract

The utility model discloses a laser processing equipment, include support body, laser beam machining mechanism, fixed establishment and go up unloading mechanism, laser beam machining mechanism, fixed establishment and last unloading mechanism all set up on the support body, laser beam machining mechanism sets up in the fixed establishment top, go up unloading mechanism and be fixed establishment material loading or from the fixed establishment unloading. The utility model is used for efficiency and the commonality that improves laser beam machining equipment in the time of improving laser beam machining.

Description

Laser processing equipment

Technical Field

The utility model relates to a machining equipment technical field, concretely relates to laser processing equipment.

Background

With the fact that the precision machining technology of laser in the 3C field is more mature, particularly ultra-fast laser, the laser is widely applied to machining of components such as mobile phone cover plates, cameras and HOME keys.

The existing laser processing equipment generally adopts a mechanical arm to clamp or absorb to feed and discharge materials, the mechanical arm has limited material taking quantity, if the material is fed in a whole structure, the material can be fed at one time, but if the product is processed on a table top and then is divided into a plurality of structures, the general mechanical arm needs to respectively feed each small product, the material feeding is troublesome, the efficiency is low, and the mechanical arm is not suitable for industrial batch production; and the common manipulator can not adapt to the product with the inclined surface when absorbing the product. Fixing mechanism generally adopts structures such as anchor clamps, absorption fixed product, but general fixed structure commonality is not strong, need set up a fixing mechanism to every kind of product, and this kind of mode has not only promoted equipment cost, and preparation anchor clamps etc. need certain time moreover, can not be fine when production cycle is nervous satisfy the production demand.

The optical gate is an important component for controlling the on-off of laser in the laser processing equipment, blocks a light path when not in use, prevents the laser from leaking to an external space, and prevents people and objects from being injured. The optical shutter generally reflects laser light through a light blocking plate, and changes the direction of the laser light, so that the laser light cannot be emitted from the light emitting hole, and the light path reaching the laser processing surface is blocked. The light barrier is generally driven by a common driving mechanism such as an air cylinder, and after the light barrier is driven by the air cylinder for multiple times, the light barrier is easy to loosen, so that the reflection angle of the light barrier on the laser is reflected and deviated, and the control of the optical gate on the reflection direction of the laser and the absorption of the laser are not facilitated; and the fixed angle of the light barrier on the cylinder needs to be adjusted frequently, so that the operation is inconvenient, and the normal production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to not enough in the background art, provide a laser beam machining equipment that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a laser processing device comprises a frame body, a laser processing mechanism, a fixing mechanism and a feeding and discharging mechanism, wherein the laser processing mechanism, the fixing mechanism and the feeding and discharging mechanism are all arranged on the frame body; the laser processing mechanism comprises a laser, an optical gate and a scanning galvanometer, the laser, the optical gate and the scanning galvanometer are all arranged on a frame body, the optical gate is connected on a light path between the laser and the scanning galvanometer, and the scanning galvanometer is arranged above the fixing mechanism; the optical shutter comprises a box body, a light barrier, a double-rod cylinder and a light absorption cylinder, wherein a light inlet hole and a light outlet hole are respectively formed in two opposite sides of the box body, and the light barrier and the light absorption cylinder are respectively arranged on two sides of an optical channel formed by connecting the light inlet hole and the light outlet hole; the light barrier is in an optical channel formed by connecting the light inlet and the light outlet, a U-shaped fixed block is arranged on the movable end of the double-rod cylinder, the U-shaped fixed block is clamped on the movable end of the double-rod cylinder, and the light barrier is fixed on the U-shaped fixed block at multiple points; the fixing mechanism comprises a first mounting seat and a plurality of fixing blocks, each fixing block can be mounted at different positions of the first mounting seat, and the fixing blocks can adsorb and fix a product to be processed by laser; the feeding and discharging mechanism comprises a second mounting seat, a porous sucker, a first driving piece and a universal moving piece, the second mounting seat is connected to the frame body through the first driving piece, and the porous sucker is connected to the second mounting seat through the universal moving piece; the porous suction cup can suck a product to be laser-machined.

Furthermore, the feeding and discharging mechanism further comprises a plurality of elastic pieces, and each elastic piece is arranged on the outer side of the universal movable piece; one end of each elastic piece is fixedly arranged on the second mounting seat or the porous sucking disc, and the other end of each elastic piece is abutted against the porous sucking disc or the second mounting seat.

Further, go up unloading mechanism still includes a plurality of spacing grooves, the spacing groove sets up on porous sucking disc or second mount pad, the expansion end butt of elastic component is in the spacing inslot.

Furthermore, an electromagnet is arranged on the first mounting seat, a magnetic suction piece is arranged on the fixed block, and the fixed block can be fixed on a mounting seat through the magnetic suction piece and the adsorption effect of the electromagnet.

Further, the inner cavity of the light absorption cylinder is of a conical structure, and the light absorption cylinder is a metal cylinder.

Further, the laser processing mechanism further comprises an external light path, and the external light path is connected between the laser and the optical gate.

Further, the device also comprises a CCD system, wherein the CCD system is arranged above the fixing mechanism; and illuminating lamps are arranged on the side surface and/or the lower part of the CCD system.

The feeding rack and the discharging rack are arranged on two sides or on the same side of the fixing mechanism; the feeding rack and the discharging rack respectively comprise a plurality of layers of racks, a material pushing plate and a material platform, the plurality of layers of racks and the material pushing plate are respectively arranged on two opposite sides of the material platform, and the plurality of layers of racks can be arranged in a lifting mode.

Further, still include the instrument of adjusting luminance, the instrument of adjusting luminance includes a main section of thick bamboo, light path plastic subassembly, laser straightness detection subassembly and the luminous power detection subassembly of hanging down, a main section of thick bamboo can be installed below the scanning galvanometer, light path plastic subassembly, laser straightness detection subassembly and/or luminous power detection subassembly of hanging down all can install on a main section of thick bamboo.

Further, the optical path shaping component may be mounted on an upper portion of the main cylinder; the laser verticality detection assembly comprises two light-adjusting small holes, and the two light-adjusting small holes can be respectively arranged at two ends of the main cylinder; the optical power detection assembly may be installed at a lower portion of the main cylinder.

The utility model discloses the beneficial effect who realizes mainly has following several:

a. the optical gate adopts a double-rod cylinder to drive the light barrier, a U-shaped fixed block is arranged on the movable end of the double-rod cylinder, and a groove of the U-shaped fixed block is clamped and fixed on the movable end of the double-rod cylinder; the light barrier is fixed on the U-shaped fixed block at multiple points, and the U-shaped fixed block and the movable end of the double-rod cylinder are clamped and fixed through a groove-shaped structure, so that the U-shaped fixed block and the movable end of the double-rod cylinder cannot rotate relatively; meanwhile, a double-rod cylinder is adopted, and the movable end of the double-rod cylinder cannot rotate on the double-rod cylinder; in addition, the light barrier is fixed with the U-shaped fixing block at multiple points, so that the light barrier and the U-shaped fixing block cannot rotate relatively. Therefore, deflection of the light barrier in the process of moving to realize on-off of the light path can be avoided, the situation that the light barrier cannot completely reflect laser to the light absorption barrel is avoided, the fact that the laser can be completely blocked when the light gate blocks the light path is guaranteed, and the stability of long-term use of equipment can be guaranteed.

b. The fixing mechanism comprises a first mounting seat and a plurality of fixing blocks, and the fixing blocks can be mounted at different positions of the first mounting seat, so that the fixing blocks can be arranged on the first mounting seat according to different sizes and shapes of products, and the fixing mechanism can be suitable for fixing the products in different shapes and sizes. The universality of the equipment can be improved, and the equipment cost is saved; and a fixed jig is not required to be manufactured for each product with different sizes and shapes, so that the production period of equipment is shortened, and more time is reserved for production to guarantee production.

c. Go up unloading mechanism and include second mount pad, porous sucking disc and universal moving part, porous sucking disc passes through universal moving part and connects on the second mount pad, can realize the universal action of porous sucking disc on the second mount pad from this for the inclined plane product of different angles can be drawn to porous sucking disc, has improved the commonality of equipment. The multi-hole sucker is adopted, and when the multi-hole sucker is used for loading, a product can be stably adsorbed through the plurality of adsorption holes, so that the stability of loading of the product is ensured, and the product is prevented from being slipped and damaged; the multi-hole sucker can adsorb the blanking of each small product subjected to laser processing through the adsorption holes in different areas at one time during blanking, the blanking speed is high, and the production efficiency of laser processing can be improved.

Drawings

Fig. 1 is a schematic structural diagram of a laser processing apparatus according to a first embodiment of the present invention;

fig. 2 is a schematic structural view illustrating the installation of the frame body, the fixing mechanism and the feeding and discharging mechanism of the laser processing device according to the first embodiment of the present invention;

fig. 3 is an exploded schematic view of a fixing mechanism of a laser processing apparatus according to a first embodiment of the present invention;

fig. 4 is an exploded schematic view of a feeding and discharging mechanism of a laser processing apparatus according to a first embodiment of the present invention;

fig. 5 is a schematic longitudinal sectional structure view of a feeding and discharging mechanism of a laser processing apparatus at a universal moving part according to a first embodiment of the present invention;

fig. 6 is a schematic view of a longitudinal section structure of a feeding and discharging mechanism of a laser processing apparatus at a position of an elastic member and a limiting groove in the first embodiment of the present invention;

fig. 7 is a schematic view of an overall structure of an optical shutter of a laser processing apparatus according to an embodiment of the present invention;

fig. 8 is a schematic view of an optical shutter explosion structure of a laser processing apparatus according to an embodiment of the present invention;

fig. 9 is a schematic longitudinal sectional view of a shutter of a laser processing apparatus according to an embodiment of the present invention;

fig. 10 is a schematic structural view illustrating an installation of a laser processing mechanism and a frame body of a laser processing device according to a first embodiment of the present invention;

fig. 11 is a schematic structural diagram illustrating installation of an optical shutter and a scanning galvanometer of a laser processing apparatus according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a CCD system of a laser processing apparatus according to a first embodiment of the present invention;

fig. 13 is a schematic structural view of a feeding frame of a laser processing apparatus according to a second embodiment of the present invention;

fig. 14 is a schematic structural view of a blanking rack of a laser processing apparatus according to a second embodiment of the present invention;

fig. 15 is a schematic structural view of a combination of light adjusting tools of a laser processing apparatus according to a third embodiment of the present invention;

fig. 16 is an exploded schematic view of a light adjusting tool of a laser processing apparatus according to a third embodiment of the present invention;

fig. 17 is an exploded schematic view of a light path shaping component of a laser processing apparatus according to a second embodiment of the present invention;

fig. 18 is a schematic structural view of a laser verticality detection assembly of a laser processing device according to a third embodiment of the present invention when assembled and used;

fig. 19 is a schematic structural view of a light path shaping component and an optical power detecting component of a laser processing device according to a third embodiment of the present invention when assembled and used;

fig. 20 is a schematic structural diagram of a light adjusting tool and a scanning galvanometer of a laser processing device according to a third embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 12, a laser processing apparatus is used for laser processing of a product, such as laser cutting of a glass substrate. Laser beam machining equipment includes support body 1, laser beam machining mechanism 2, fixed establishment 3 and goes up unloading mechanism 4, and support body 1 is used for installing each part, can set up to "L" or "Contraband" shape structure, laser beam machining mechanism 2, fixed establishment 3 and last unloading mechanism 4 all set up on support body 1, and laser beam machining mechanism 2 sets up on support body 1's upper portion with last unloading mechanism 4, and fixed establishment 3 sets up in support body 1's lower part to laser beam machining mechanism 2 sets up in fixed establishment 3 top. The feeding and discharging mechanism 4 is used for feeding materials to the fixing mechanism 3 or discharging materials from the fixing mechanism 3; the fixing mechanism 3 can fix a product to be processed by laser on the fixing mechanism, so that the product is prevented from moving during laser processing; the laser processing mechanism 2 acts on the fixing mechanism 3 to perform laser processing on the product on the fixing mechanism 3.

Referring to fig. 1 and 10, the laser processing mechanism 2 includes a laser 21, a shutter 22 and a scanning galvanometer 23, the laser 21, the shutter 22 and the scanning galvanometer 23 are all mounted on the upper portion of the frame body 1, the shutter 22 is connected to a light path between the laser 21 and the scanning galvanometer 23, and the scanning galvanometer 23 is disposed above the fixing mechanism 3; the laser 21 and the scanning galvanometer 23 can both adopt a laser emitter and a scanning galvanometer in the prior art. During operation, the laser 21 generates laser, the laser reaches the scanning galvanometer 23 after passing through the shutter 22, and the laser is moved by the scanning galvanometer 23 so that the laser moves above a product on the fixing mechanism 3 to laser process (such as cutting) the product; the optical gate 22 plays a role in switching on and off the laser light path between the laser 21 and the scanning galvanometer 23, so that the optical path can be blocked by the optical gate 22 when a product is loaded and unloaded, the laser is prevented from being emitted from the scanning galvanometer 23, the optical path can be communicated when the product is processed by the laser, and the laser can reach the scanning galvanometer 23 from the laser 21 to process the product by the laser.

Referring to fig. 7 to 9, the shutter 22 includes a box 221, a light barrier 222, a double-rod cylinder 223 and a light absorption cylinder 224, where the upper and lower sides of the box 221 are respectively provided with a light inlet 2211 and a light outlet 2212, and a space between the light inlet 2211 and the light outlet 2212 is connected to form a laser channel, and laser can enter the box 221 through the light inlet 2211 and can exit through the light outlet 2212 without being blocked. The light barrier 222 and the light absorption cylinder 224 are respectively arranged at two sides of the light channel formed by connecting the light inlet 2211 and the light outlet 2212, and the angle between the light barrier 222 and the light channel formed by connecting the light inlet 2211 and the light outlet 2212 is 45 degrees; therefore, when the light blocking plate 222 moves to the light path, the laser light can be reflected into the light absorbing cylinder 224, and no laser light is emitted from the light exit hole 2212, thereby implementing the laser blocking function of the optical shutter. The cavity inside the light absorption cylinder 224 can absorb laser and convert the laser into heat for releasing; the inner cavity of the light absorption barrel 224 is preferably set to be a conical structure, so that laser can be reflected by the conical structure for multiple times when entering the light absorption barrel 224, and the laser is gradually attenuated and converted into heat in the reflection process; the light-absorbing cylinder 224 is preferably a metal cylinder with good heat dissipation performance, such as an aluminum cylinder, so as to quickly dissipate the heat generated by the laser and avoid over-temperature of the device.

Referring to fig. 7 to 9, a U-shaped fixing block 2231 is arranged at the movable end of the double-rod cylinder 223, and a groove of the U-shaped fixing block 2231 is fastened to the movable end of the double-rod cylinder 223 and can be fixed by a screw; the light barrier 222 is fixed to the U-shaped fixing block 2231 at multiple points, and may be screwed by multiple screws. The U-shaped fixed block 2231 and the movable end of the double-rod cylinder 223 are clamped and fixed through a groove-shaped structure, so that the U-shaped fixed block 2231 and the movable end of the double-rod cylinder 223 cannot rotate relatively; meanwhile, the double-rod cylinder 223 is adopted, so that the movable end of the double-rod cylinder cannot rotate on the double-rod cylinder; in addition, the light barrier 222 and the U-shaped fixing block 2231 are fixed at multiple points, so that the light barrier 222 and the U-shaped fixing block 2231 do not rotate relatively. Therefore, the light barrier 222 can be prevented from deflecting in the process of moving to realize the on-off of the light path, the situation that the light barrier cannot completely reflect the laser into the light absorption barrel is avoided, the situation that the laser can be completely blocked when the light gate blocks the light path is ensured, and the stability of the device can be improved. The box body 221 is preferably provided with a removable movable top plate 2213 and a removable movable side plate 2214 to facilitate assembly and maintenance of the shutter.

Referring to fig. 3, the fixing mechanism 3 includes a first mounting seat 31 and a plurality of fixing blocks 32, each fixing block 32 may be mounted at a different position of the first mounting seat 31, and the fixing blocks 32 may adsorb and fix a product to be laser-processed; therefore, the fixing block 32 can be arranged on the first mounting seat 31 according to different sizes and shapes of products, so that the fixing mechanism 3 can adapt to products with different shapes and sizes, the universality of equipment can be improved, and the equipment cost is saved; and a fixed jig is not required to be manufactured for each product with different sizes and shapes, so that the production period of equipment is shortened, and more time is reserved for production to guarantee production. The fixing block 32 may be provided in plural different sizes, so that the layout may be selected according to the size and shape of the product. Fixed block 32 can adopt vacuum adsorption's mode, sets up a plurality of holes of inhaling on fixed block 32, and every inhales negative pressure structures intercommunication such as hole and vacuum pump, adsorbs fixed product through the negative pressure when the product is placed on fixed block 32.

Referring to fig. 3, the first mounting seat 31 and the plurality of fixing blocks 32 may be fixed by a common screw, a common clamping, or the like, and in this embodiment, the fixing is performed by a magnetic attraction method, specifically as follows: the first mounting seat 31 is provided with an electromagnet 33, and the electromagnet 33 is arranged in a space surrounded by the upper plate 311, the side frame 312 and the lower plate 313 to protect the electromagnet; the fixed block 32 is provided with a magnetic part which can be an iron block; the fixing block 32 can be fixed on a mounting seat 31 by magnetic attraction of the magnetic attraction piece and the electromagnet 33. When the magnetic fixing device is used, if the position of the fixing block 32 needs to be adjusted, the circuit of the electromagnet can be disconnected, the position of the fixing block 32 is adjusted after the electromagnet loses magnetism, the electromagnet is electrified after the position of the fixing block 32 is adjusted, and the fixing block 32 can be fixed on the first mounting seat 31 in a magnetic absorption mode. First mount pad 31 and fixed block 32 are connected to the mode that adopts the electro-magnet magnetism to inhale for fixed establishment 3 can realize dismantling the adjustment fast when needing the product of fixed not equidimension shape, makes things convenient for the staff to transfer the machine, can save in addition and transfer the machine time, saves more time and is used for producing, in order to improve production efficiency.

Referring to fig. 2, the fixing mechanism 3 is preferably movably disposed on the frame body 1, an XY axis driving system 35 may be disposed on the frame body 1, and the fixing mechanism 3 is disposed on the XY axis driving system 35, so that the fixing mechanism 3 can move left and right and back and forth on the frame body 1, and can better cooperate with the loading and unloading mechanism 4 to load and unload materials.

Referring to fig. 4-6, the feeding and discharging mechanism 4 includes a second mounting seat 41, a porous suction cup 42, a first driving member 43 and a universal moving member 44, the second mounting seat 41 is connected to the frame body 1 through the first driving member 43, the first driving member 43 can adopt a single-axis manipulator, a double-axis manipulator or a three-axis manipulator, the rotation is reduced according to the requirement of the movement dimension, and the feeding and discharging mechanism 4 is driven by the first driving member 43 to feed the product to be subjected to laser processing onto the fixing mechanism 3 or discharge the product from the fixing mechanism 3. Porous sucking disc 42 passes through universal moving part 44 to be connected on second mount pad 41, universal moving part 44 can select spherical bearing structure, including spherical bearing 441, curved bar 442 and connection piece 443, spherical bearing 441 is fixed on second mount pad 41, curved bar 442 passes through connection piece 443 to be fixed on spherical bearing 441, porous sucking disc 42 is fixed on curved bar 442, can realize the universal action of porous sucking disc 42 on second mount pad 41 from this for porous sucking disc 42 can absorb the inclined plane product of different angles, avoid making last unloading mechanism 4 respectively to every different product, improved the commonality of equipment.

Referring to fig. 6, the porous suction cup 42 may suck a product to be laser processed, a plurality of suction holes 421 may be formed in the porous suction cup 42, and each suction hole 421 is communicated with a vacuum source such as a vacuum pump to suck the product by negative pressure. The suction holes 421 on the porous suction cup 42 are generally arranged in a matrix, and may be arranged according to the size of the product, or may be arranged in other configurations. When the porous sucker 42 is used for loading, the product can be stably adsorbed through the plurality of adsorption holes, so that the stability of loading of the product is ensured, and the product is prevented from being damaged by slipping; the multi-hole sucker 42 can perform one-time adsorption blanking on each small product subjected to laser processing through adsorption holes in different areas during blanking, the blanking speed is high, and the production efficiency of laser processing can be improved.

Referring to fig. 5 and 6, an elastic buffer structure is preferably arranged between the porous suction cup 42 and the second mounting seat 41, which is as follows: the loading and unloading mechanism 4 further comprises a plurality of elastic elements 45, and each elastic element 45 is arranged on the outer side of the universal movable element 44; one end of each elastic member 45 may be fixed on one of the second mounting seat 41 and the porous suction cup 42, and the other end of each elastic member 45 abuts against the other one of the porous suction cup 42 and the second mounting seat 41, in this embodiment, a mode that the elastic member 45 is fixed on the second mounting seat 41 and the free end abuts against the porous suction cup 42 is adopted. Set up elastic component 45 between porous sucking disc 42 and second mount pad 41 for porous sucking disc 42 when universal activity on second mount pad 41, can not be hard with second mount pad 41 and collide, thereby protection equipment, stability and the precision of the long-term use of improvement equipment. The elastic member 45 can be selected from common elastic members such as springs and elastic pieces, and a spring plunger is selected in the embodiment, so that the elasticity in the elastic deformation direction can be ensured, and the rigidity in the direction perpendicular to the elastic deformation direction can be improved.

Referring to fig. 6, as a further preferred scheme, it is preferable to limit the universal motion amplitude of the porous suction cup 42, so that the universal motion amplitude of the porous suction cup 42 meets the requirement of loading and unloading of a product, and the following structure may be specifically adopted: the loading and unloading mechanism 4 further includes a plurality of limiting grooves 46, the limiting grooves 46 are disposed on the porous suction cup 42 or the second mounting seat 41, and are specifically selected according to the arrangement of the elastic member 45, the limiting grooves 46 limit the range of motion of the porous suction cup 42 by limiting the elastic member 45, so that the limiting grooves 46 need to be disposed on one of the porous suction cup 42 and the second mounting seat 41, which is abutted against the elastic member 45, and are disposed on the porous suction cup 42 in this embodiment. The movable end of the elastic member 45 abuts against the stopper groove 46, so that the elastic member 45 can be stopped by the stopper groove 46. The limiting groove 46 may be a tapered groove or an arc-shaped groove.

Referring to fig. 1 and 10, the laser processing mechanism 2 further includes an external optical path 24, and the external optical path 24 is connected between the laser 21 and the shutter 22; the external optical path 24 may be an existing external optical path. An external light path is arranged, and laser emitted by a laser can be shaped; in addition, a light splitting crystal can be further arranged in the external light path 24, laser emitted by the laser is split into two beams which are respectively transmitted to the two scanning galvanometers 23, two products are simultaneously processed through the two scanning galvanometers 23 (two fixing mechanisms 3 and two feeding and discharging mechanisms 4 are correspondingly arranged), and the laser processing efficiency is improved.

Referring to fig. 12, the laser processing device further includes a CCD system 5, wherein the CCD system 5 is disposed above the fixing mechanism 3, so that when a product to be laser processed is fed onto the fixing mechanism 3, the product to be laser processed is photographed and identified by the CCD system 5, and a laser processing mark point on the product to be laser processed is identified, so that the scanning galvanometer 23 can start laser processing from a set position. The side and/or the lower part of the CCD system 5 are/is also provided with illuminating lamps 51, and coaxial light and side light can be selected according to requirements, so that the image shot by the CCD system 5 is clearer, and the positioning and identifying precision is improved.

The working process of the laser processing equipment of the embodiment is as follows: taking a product (such as a glass substrate) to be subjected to laser processing by the feeding and discharging mechanism 4 and placing the product on the fixing mechanism 3, wherein the CCD system 5 identifies the product after the fixing mechanism 3 adsorbs and fixes the product; at the moment, the laser starts, the optical gate is opened, and the scanning galvanometer starts to carry out laser processing (such as laser cutting) on the product; a plurality of small products are simultaneously blanked through the feeding and blanking mechanism 4 after one product is processed, and the light gate is closed in the feeding and blanking process.

Example two

Referring to fig. 13 and 14, the laser processing apparatus in this embodiment is based on the first embodiment, and a feeding rack 6 and a discharging rack 7 are further arranged on the basis of the first embodiment, and are used in cooperation with a feeding and discharging mechanism 4 for feeding and discharging. The feeding rack 6 and the discharging rack 7 are arranged on two sides or the same side of the fixing mechanism 3; the feeding rack 6 and the discharging rack 7 respectively comprise a plurality of layers of racks, a material pushing plate and a material platform, and the plurality of layers of racks can be arranged in a lifting mode. Adopt the multilayer work or material rest, can deposit more products, avoided the manual work to last feeding of unloading mechanism 4 continuously, improved production efficiency from this.

Referring to fig. 13, the feeding frame 6 includes a first multi-layer frame 62, a first material pushing plate 63 and a first material table 61, the first material pushing plate 63 and the first material table 61 are respectively disposed on two sides of the first multi-layer frame 62, and the first multi-layer frame 62, the first material pushing plate 63 and the first material table 61 are all disposed on a support. The first multi-layer material frame 62 is driven by a lifting cylinder 621 and can move up and down on the support; the first stripper plate 63 may be driven by a telescopic cylinder; the first material table 61 is a table-top structure. The first multilayer rack 62 can move up and down to move each material storage layer to be flush with the first material table 61, at the moment, the first material pushing plate 63 moves to push out the products in the material storage layer to the first material table 61, and the feeding and discharging mechanism 4 takes materials from the first material table 61.

Referring to fig. 14, the discharging rack 7 includes a second multi-layer rack 72, a second material pushing plate 73 and a second material table 71, the second material pushing plate 73 and the second material table 71 are disposed on the same side of the second multi-layer rack 72, and the second multi-layer rack 72, the second material pushing plate 73 and the second material table 71 are disposed on a support. The second multi-layer material rack 72 is driven by a lifting air cylinder 721 and can move up and down on the support; the second stripper plate 73 may be driven by a telescopic cylinder; the second material table 71 adopts two support plate structures, the second material pushing plate 73 is arranged between the two support plate structures, a product is supported on the two support plate structures during operation, and the product can be pushed into the second multi-layer material rack 72 through the second material pushing plate 73 in the middle. Second multilayer work or material rest 72 elevating movement can remove each storage layer respectively to expect platform 71 parallel and level with the second, and second scraping wings 73 moves this moment, can push the product on the second material platform 71 into the storage layer and store, and last unloading mechanism 4 can on placing the second material platform 71 with the product unloading.

EXAMPLE III

Referring to fig. 15 to 20, in the present embodiment, based on the laser processing apparatus in the first and second embodiments, a dimming tool 8 for dimming a laser processing mechanism is provided, the dimming tool is dimmed to an optimal operating state before the laser processing apparatus starts to operate, and the dimming tool 8 is removed from the laser processing mechanism after the dimming operation is completed.

Referring to fig. 15 to 20, the light adjusting tool 8 includes a main cylinder 81, a light path shaping component 82, a laser verticality detecting component 83 and a light power detecting component 84, the main cylinder 81 can be installed below the scanning galvanometer 23, and the light path shaping component 82, the laser verticality detecting component 83 and/or the light power detecting component 84 can be installed on the main cylinder 81, so that when the light adjusting tool 8 is not used, all parts can be installed on the main cylinder 81 for unified storage, and the influence of component loss on next use is avoided.

Referring to fig. 17, the optical path shaping assembly 82 includes a wave plate installation cylinder 823, a wave plate 822 and a wave plate pressing block 821, the wave plate 822 is installed in the wave plate installation cylinder 823, the wave plate pressing block 821 presses and fixes the wave plate 822 in the wave plate installation cylinder 823, and the wave plate installation cylinder 823, the wave plate 822 and the wave plate pressing block 821 adopt a detachable manner to be installed, so that the wave plates 822 with different specifications, such as a half wave plate and a quarter wave plate, can be better installed. The optical path shaping member 82 is insertable into the mounting position 811 on the upper portion of the main tube 81.

Referring to fig. 16, the optical power detection assembly 84 includes a photonic crystal 842, a mounting base 843, a fixing block 841, a power meter 844 and a heat sink 845, wherein the photonic crystal 842 is fixed on the mounting base 843, the fixing block 841 presses and fixes the photonic crystal 842 on the mounting base 843, the power meter 844 is fixed under the mounting base 843, and the heat sink 845 is fixed under the power meter 844. When the laser power measuring device is used, laser light is emitted to the spectroscope 842 from the center of the upper fixed block 841, the spectroscope 842 divides the laser light into two parts, one part is emitted from the side surface, the other part is emitted into the lower dynamometer 842, the dynamometer 842 tests the power of the part of the laser light to obtain the total laser power, and the radiating fins 845 radiate heat for the dynamometer 842. An optical power detecting assembly 84 may be inserted into a lower portion of the main cylinder 81.

Referring to fig. 19 and 20, the optical power detecting element 84 and the optical path shaping element 82 can be used together when dimming, the optical path shaping element 82 can be inserted into the upper portion of the main cylinder 81, and the optical power detecting element 84 can be inserted into the lower portion of the main cylinder 81, so as to fix the whole structure after installation under the scanning galvanometer 23; the emitted laser power meets the requirement by replacing wave plates with different specifications, so that the wave plates with the same parameters are added in an external light path. The optical power detection assembly 84 measures the optical power of the laser through the power meter 844 and dissipates heat through the heat sink 845.

Referring to fig. 18 and 20, the laser verticality detection assembly 83 includes two light-adjusting small holes 831, and the two light-adjusting small holes 831 can be respectively installed at two ends of the main tube 81 (the upper light-adjusting small hole 831 can also be pressed and fixed at the middle position of the main tube 81 through the light path shaping assembly 82). Two dimming holes 831 are installed on the main cylinder 81 during dimming, the installed integral structure is fixed below the scanning galvanometer 23, and if laser is just injected from the upper dimming hole 831 and is injected from the lower dimming hole 831, the laser is perpendicular to the processing surface.

Referring to fig. 18, a window 813 is preferably disposed on a side surface of the main cylinder 81, and when detecting the laser verticality, the frequency doubling chip can be placed into the main cylinder through the window 813, so that an operator can observe the laser conveniently. The top of the main cylinder 81 is provided with a mounting structure 812, which is convenient for mounting with the scanning galvanometer 23.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A laser processing apparatus characterized by: the automatic feeding and discharging device comprises a frame body (1), a laser processing mechanism (2), a fixing mechanism (3) and a feeding and discharging mechanism (4), wherein the laser processing mechanism (2), the fixing mechanism (3) and the feeding and discharging mechanism (4) are all arranged on the frame body (1), the laser processing mechanism (2) is arranged above the fixing mechanism (3), and the feeding and discharging mechanism (4) is used for feeding materials to the fixing mechanism (3) or discharging materials from the fixing mechanism (3);

the laser processing mechanism (2) comprises a laser (21), an optical shutter (22) and a scanning galvanometer (23), the laser (21), the optical shutter (22) and the scanning galvanometer (23) are all installed on the frame body (1), the optical shutter (22) is connected to a light path between the laser (21) and the scanning galvanometer (23), and the scanning galvanometer (23) is arranged above the fixing mechanism (3);

the optical shutter (22) comprises a box body (221), a light barrier (222), a double-rod cylinder (223) and a light absorption cylinder (224), wherein the two opposite sides of the box body (221) are respectively provided with a light inlet hole (2211) and a light outlet hole (2212), and the light barrier (222) and the light absorption cylinder (224) are respectively arranged on the two sides of a light channel formed by connecting the light inlet hole (2211) and the light outlet hole (2212); the light barrier (222) forms a 45-degree light channel connected with the light inlet hole (2211) and the light outlet hole (2212), a U-shaped fixed block (2231) is arranged on the movable end of the double-rod cylinder (223), the U-shaped fixed block (2231) is clamped on the movable end of the double-rod cylinder (223), and the light barrier (222) is fixed on the U-shaped fixed block (2231) at multiple points;

the fixing mechanism (3) comprises a first mounting seat (31) and a plurality of fixing blocks (32), each fixing block (32) can be mounted at different positions of the first mounting seat (31), and the fixing blocks (32) can adsorb and fix a product to be processed by laser; the feeding and discharging mechanism (4) comprises a second mounting base (41), a porous sucker (42), a first driving piece (43) and a universal moving piece (44), the second mounting base (41) is connected to the frame body (1) through the first driving piece (43), and the porous sucker (42) is connected to the second mounting base (41) through the universal moving piece (44); the porous suction cup (42) can suck a product to be laser-machined.

2. The laser processing apparatus according to claim 1, wherein: the feeding and discharging mechanism (4) further comprises a plurality of elastic pieces (45), and each elastic piece (45) is arranged on the outer side of the universal moving piece (44); one end of each elastic piece (45) is fixedly arranged on the second mounting seat (41) or the porous sucker (42), and the other end of each elastic piece is abutted against the porous sucker (42) or the second mounting seat (41).

3. The laser processing apparatus according to claim 2, wherein: go up unloading mechanism (4) and still include a plurality of spacing grooves (46), spacing groove (46) set up on porous sucking disc (42) or second mount pad (41), the expansion end butt of elastic component (45) is in spacing groove (46).

4. The laser processing apparatus according to claim 1, wherein: be provided with electro-magnet (33) on first mount pad (31), be provided with magnetism on fixed block (32) and inhale the piece, fixed block (32) can inhale magnetically through the adsorption that magnetism inhaled piece and electro-magnet (33) and fix on a mount pad (31).

5. The laser processing apparatus according to claim 1, wherein: the inner cavity of the light absorption barrel (224) is of a conical structure, and the light absorption barrel (224) is a metal barrel.

6. The laser processing apparatus according to claim 1, wherein: the laser processing mechanism (2) further comprises an external optical path (24), and the external optical path (24) is connected between the laser (21) and the optical gate (22).

7. The laser processing apparatus according to claim 1, wherein: the device also comprises a CCD system (5), wherein the CCD system (5) is arranged above the fixing mechanism (3); and an illuminating lamp (51) is arranged on the side surface and/or the lower part of the CCD system (5).

8. The laser processing apparatus according to claim 1, wherein: the automatic feeding mechanism is characterized by further comprising a feeding rack (6) and a discharging rack (7), wherein the feeding rack (6) and the discharging rack (7) are arranged on two sides or on the same side of the fixing mechanism (3); the feeding rack (6) and the discharging rack (7) respectively comprise a multilayer rack, a material pushing plate and a material platform, the multilayer rack and the material pushing plate are respectively arranged on two opposite sides of the material platform, and the multilayer rack can be arranged in a lifting mode.

9. The laser processing apparatus according to any one of claims 1 to 8, characterized in that: the laser dimming device is characterized by further comprising a dimming tool (8), wherein the dimming tool (8) comprises a main cylinder (81), a light path shaping component (82), a laser perpendicularity detection component (83) and a light power detection component (84), the main cylinder (81) can be installed below the scanning galvanometer (23), and the light path shaping component (82), the laser perpendicularity detection component (83) and/or the light power detection component (84) can be installed on the main cylinder (81).

10. The laser processing apparatus according to claim 9, wherein: the optical path shaping component (82) can be arranged at the upper part of the main cylinder (81); the laser verticality detection assembly (83) comprises two dimming small holes (831), and the two dimming small holes (831) can be respectively installed at two ends of the main cylinder (81); the optical power detection assembly (84) may be installed at a lower portion of the main cylinder (81).

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