阅读说明：本技术 一种玻璃激光切割装置及方法 (Glass laser cutting device and method ) 是由 代金成 李扬 李金泽 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种玻璃激光切割装置及方法,涉及激光加工技术领域。包括激光切头、切割平台、安装在切割平台下方的联动机构,所述联动机构用于带动所述切割平台按照规定轨迹移动,所述激光切头与所述切割平台对应设置,所述激光切头按照规定轨迹进行切割,所述切割平台上设置有吸附平台和至少一个夹爪组件,所述吸附平台用于吸附待切割玻璃,所述夹爪组件滑动设置在切割平台上用于夹紧待切割玻璃的去除部分,然后带动所述去除部分与待切割玻璃分开。本发明采用贝塞尔光束和拔片式裂片结合方式,大大降低了崩边的可能性。(The invention discloses a glass laser cutting device and method, and relates to the technical field of laser processing. Including laser crop, cutting platform, install the link gear in the cutting platform below, link gear is used for driving cutting platform removes according to prescribed orbit, the laser crop with cutting platform corresponds the setting, the laser crop cuts according to prescribed orbit, last adsorption platform and the at least one clamping jaw subassembly of being provided with of cutting platform, adsorption platform is used for adsorbing and treats the glass of cutting, clamping jaw subassembly slides and sets up and is used for pressing from both sides the part of getting rid of that tightly treats the glass of cutting on cutting platform, then drives get rid of the part with treat that the glass of cutting separates. The invention adopts a combination mode of Bessel beams and the pull-type split, thereby greatly reducing the possibility of edge breakage.)

1. The utility model provides a glass laser cutting device, includes laser crop, cutting platform and installs the link gear in the cutting platform below, link gear is used for driving cutting platform removes according to prescribed orbit, laser crop with cutting platform corresponds the setting, laser crop cuts its characterized in that according to prescribed orbit: the glass cutting machine is characterized in that an adsorption platform and at least one clamping jaw assembly are arranged on the cutting platform, the adsorption platform is used for adsorbing glass to be cut, the clamping jaw assembly is arranged on the cutting platform in a sliding mode and used for clamping a removing part of the glass to be cut, and then the removing part and the glass to be cut are driven to be separated.

2. The glass laser cutting device according to claim 1, characterized in that: the clamping jaw components are symmetrically provided with at least two clamping jaw components at the periphery of the adsorption platform.

3. The glass laser cutting device according to claim 1, characterized in that: the clamping jaw assembly is including supporting base, fixing base, compressing arm and pressure head, it is in to support the base correspondence setting get rid of the part below, the fixing base sets up support on the base, rotate on the fixing base and wear to be equipped with first axis of rotation, compressing arm rotates through first axis of rotation and connects on the fixing base, compressing arm keeps away from the one end of fixing base and is connected with the pressure head, the pressure head is used for compressing tightly get rid of the part.

4. The glass laser cutting device according to claim 3, characterized in that: the clamping jaw assembly further comprises a locking piece, wherein the locking piece is installed on the fixing seat and used for controlling the pressing arm to drive the pressing head to be close to and far away from the adsorption platform.

5. The glass laser cutting device according to claim 3, characterized in that: and the pressure head is connected with a pressing block.

6. The glass laser cutting device according to claim 3, characterized in that: the cutting platform is provided with a slide rail, the supporting base is connected with a slide block, and the slide block is connected to the slide rail in a sliding mode.

7. The glass laser cutting device according to claim 1, characterized in that: the clamping jaw assembly is further connected with a driving assembly, the driving assembly is used for driving the clamping jaw assembly to slide, and the driving assembly is one of a motor, an oil cylinder or an air cylinder.

8. The glass laser cutting device according to claim 3, characterized in that: a gap hollow is arranged between the adsorption platform and the supporting base.

9. A cutting method based on the glass laser cutting device according to any one of claims 1 to 8, characterized by comprising the steps of:

the driving assembly drives the clamping jaw assembly to slide close to the adsorption platform, the glass to be cut is placed on the adsorption platform, and the adsorption platform adsorbs the glass to be cut; the laser cutting head cuts the glass to be cut in a moving mode according to a specified track; after cutting, the locking piece is adjusted to enable the clamping jaw assembly to press the removing part of the glass to be cut, the driving assembly drives the clamping jaw assembly to move towards the direction far away from the adsorption platform, the removing part is separated from the glass to be cut, and a product is obtained; the adsorption platform stops adsorbing and takes away the product.

10. The cutting method according to claim 9, characterized in that: the laser cutting head is a Bessel cutting head.

Technical Field

The invention relates to the technical field of laser processing, in particular to a glass laser cutting device and method.

Background

The traditional glass cutting means adopts hard alloy or diamond cutters, is widely applied to many applications, and the cutting process is mainly divided into two steps. Firstly, a crack is generated on the surface of glass by a diamond tool tip or a hard alloy grinding wheel, then the glass is divided along the crack line by a mechanical means, and scraps, fragments and micro cracks are generated in the cutting process, so that the strength of the cutting edge is reduced, and the cutting method is only suitable for common glass, but is not suitable for ultrathin flexible glass (UTG) with the thickness of less than or equal to 0.1 mm.

Cutting UTG in the prior art mainly has the following problems:

(1) the existing laser cutting technology has short focal depth of a cutting beam, UTG is thin, the focal point is difficult to focus on UTG glass, the phenomenon of uncut penetration is easy to occur, and the problems of yellow cutting path and the like can occur due to the fact that laser is reflected at the bottom in the repeated processing process;

(2) the conventional laser cutting adopts a thimble type, and the cutting way is applied with vertical force to realize the splitting, so that UTG is damaged and broken edges are caused by the cutting way, and the requirement of mass production cannot be met by UTG.

Disclosure of Invention

In order to solve at least one problem mentioned in the background technology, the invention provides a glass laser cutting device and a glass laser cutting method, wherein the cutting focal depth is long, the glass deformation is small, the glass is not easy to damage, and the possibility of edge breakage is greatly reduced by adopting a Bessel beam and pull-type lobe combination mode.

The embodiment of the invention provides the following specific technical scheme:

the utility model provides a glass laser cutting device, includes laser crop, cutting platform, installs the link gear in the cutting platform below, link gear is used for driving cutting platform removes according to prescribed orbit, the laser crop with cutting platform corresponds the setting, the laser crop cuts according to prescribed orbit, last adsorption platform and the at least one clamping jaw subassembly of being provided with of cutting platform, adsorption platform is used for adsorbing and treats the glass of cutting, clamping jaw subassembly slides and sets up and is used for compressing tightly on cutting platform and treats the part of getting rid of the glass of cutting, then drives get rid of the part with treat that the glass of cutting separates.

Furthermore, the clamping jaw assembly is symmetrically provided with at least two clamping jaw assemblies at the periphery of the adsorption platform.

Further, clamping jaw assembly is including supporting base, fixing base, compressing tightly arm and pressure head, it corresponds the setting and is in to support the base get rid of the part below, the fixing base sets up support on the base, it wears to be equipped with first axis of rotation to rotate on the fixing base, compress tightly the arm and rotate through first axis of rotation and connect on the fixing base, the one end that the fixing base was kept away from to the arm that compresses tightly is connected with the pressure head, the pressure head is used for compressing tightly get rid of the part.

Further, the clamping jaw assembly further comprises a locking piece, wherein the locking piece is installed on the fixing seat and used for controlling the pressing arm to drive the pressing head to be close to and far away from the adsorption platform.

Furthermore, a pressing block is connected to the pressing head.

Furthermore, a sliding rail is arranged on the cutting platform, a sliding block is connected to the supporting base, and the sliding block is connected to the sliding rail in a sliding mode.

Furthermore, still be connected with drive assembly on the clamping jaw subassembly, drive assembly is used for driving the clamping jaw subassembly and slides, drive assembly is in one of motor, hydro-cylinder or cylinder.

Further, a gap hollow is arranged between the adsorption platform and the supporting base.

Preferably, the adsorption platform is connected with a vacuum assembly.

A cutting method based on the glass laser cutting device comprises the following steps:

the driving assembly drives the clamping jaw assembly to slide close to the adsorption platform, the glass to be cut is placed on the adsorption platform, and the adsorption platform adsorbs the glass to be cut; the laser cutting head cuts the glass to be cut in a moving mode according to a specified track; after cutting, the locking piece is adjusted to enable the clamping jaw assembly to press the removing part of the glass to be cut, the driving assembly drives the clamping jaw assembly to move towards the direction far away from the adsorption platform, the removing part is separated from the glass to be cut, and a product is obtained; the adsorption platform stops adsorbing and takes away the product.

Further, the laser cutting head is a Bessel cutting head.

The embodiment of the invention has the following beneficial effects:

1. through the arrangement of the laser cutting head, the cutting platform, the linkage mechanism arranged below the cutting platform, the adsorption platform and the clamping jaw assembly, a worker places glass to be cut on the adsorption platform, then adjusts the laser cutting head to correspond to the glass to be cut, the laser cutting head cuts the glass to be cut according to a specified track, and after the cutting is completed, the worker adjusts the clamping jaw assembly to clamp the removing part and then drives the removing part to be separated from the glass to be cut;

2. through the arrangement of the clamping jaw assembly and the driving assembly, after the laser cutting head finishes cutting according to a specified track, a worker adjusts the pressure head to press a removing part of the glass to be cut, the removing part is clamped through the cooperation of the pressure head and the supporting base, and then the clamping jaw assembly is driven by the driving assembly to move towards the direction far away from the adsorption platform, so that simple and quick sheet-pulling type sheet splitting is realized, the operating efficiency of the worker is greatly improved, and the edge of the cut glass is complete;

3. the invention also adopts the Bessel cutting head, the cutting depth is long, the range of different glass thicknesses can be effectively covered, then the Bessel cutting head is combined with the tablet drawing mode, the problem of edge breakage is effectively improved, and the chipping smaller than 3 mu m can be realized;

4. according to the invention, the gap hollowing is arranged between the adsorption platform and the support base and corresponds to the cutting track of the laser cutting head, so that high-intensity reflected light at the bottom can be effectively reduced through the gap hollowing, and the heat influence area is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of a cutting device for embodying the present application;

FIG. 2 is a schematic structural view of a jaw assembly for embodying the present application;

FIG. 3 is a schematic diagram of a cutting light path for embodying the present application;

in the figure: 1. cutting the platform; 2. an adsorption platform; 3. a jaw assembly; 4. a support base; 401. a receiving table; 5. a fixed seat; 501. a first rotating shaft; 6. a pressing arm; 7. a pressure head; 701. pressing a rod; 702. a positioning member; 8. briquetting; 9. a locking member; 901. a positioning frame; 902. a locking block; 903. a fixed shaft; 904. a second rotating shaft; 905. a third rotating shaft; 906. a handle; 10. a slide rail; 11. a drive assembly; 12. a slide block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in 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 obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The inventor of the present application found in the process of cutting UTG that: the existing laser cutting technology has short focal depth of a cutting light beam, UTG is thin, the focal point is difficult to be gathered on UTG glass, the phenomenon of uncut penetration is easy to occur, and in the repeated processing process, the problem that a cutting path is yellow and the like can occur due to the fact that laser is reflected at the bottom. In addition, the conventional laser cutting adopts a thimble type, and the cutting way is applied with vertical force to realize splitting, so that UTG is damaged and edge breakage is caused by the cutting way, and the UTG can not meet the requirement of mass production. Based on the problems, the invention provides a glass laser cutting device and a glass laser cutting method, which have long cutting focal depth, small glass deformation and difficult damage, and greatly reduce the possibility of edge breakage by adopting a Bessel beam and pull-type lobe combination mode.

Example one

A glass laser cutting device is shown in figures 1 and 2 and comprises a laser cutting head, a cutting platform 1 and a linkage mechanism arranged below the cutting platform 1, wherein the linkage mechanism is used for driving the cutting platform 1 to move according to a specified track, and the movement in the X-axis direction, the Y-axis direction and the Z-axis direction is included. The laser cutting head is correspondingly arranged above the cutting platform 1 and is a Bessel cutting head, and the laser cutting head moves according to a specified track to cut the glass to be cut on the cutting platform 1. Specifically, still be provided with adsorption platform 2 and four clamping jaw components 3 on cutting platform 1, adsorption platform 2 is used for adsorbing fixedly waiting to cut glass, and adsorption platform 2 has a vacuum assembly through the pipe connection, and vacuum assembly is used for adjusting adsorption platform 2 and is vacuum adsorption state or normal state, and four clamping jaw components 3 symmetry sets up in adsorption platform 2 peripheries, and clamping jaw components 3 sliding connection is on cutting platform 1. When cutting glass, clamping jaw assembly 3 slides to the direction that is close to adsorption platform 2 earlier, and the back is accomplished in the cutting, and clamping jaw assembly 3 presss from both sides the part of getting rid of waiting to cut glass, and then clamping jaw assembly 3 slides to the direction of keeping away from adsorption platform 2, drives the part of getting rid of and waits to cut glass and separates, realizes waiting to cut glass's pull-out formula lobe of a leaf.

The cutting platform 1 is rectangular in shape, and the specific shape is not limited, and the shape of the cutting platform 1 can be adjusted according to the shape of the glass to be cut, including but not limited to circular, polygonal, and the like.

Specifically, clamping jaw assembly 3 is including supporting base 4, fixing base 5, pressure arm 6 and pressure head 7, and support base 4 and correspond the setting and get rid of the part below, and the one side that is close to adsorption platform 2 on supporting base 4 in addition is provided with and accepts platform 401, and accept platform 401 is used for accepting the part of getting rid of waiting to cut glass. Fixing base 5 passes through the connecting piece to be dismantled and connects on supporting base 4, and is concrete, and the connecting piece is the bolt, transversely wears to be equipped with first rotation axis 501 on the fixing base 5, and first rotation axis 501 runs through simultaneously compressing arm 6, realizes compressing arm 6 and rotates through first rotation axis 501 and install on fixing base 5. The pressing head 7 is installed at one end, far away from the fixing seat 5, of the pressing arm 6, the pressing head 7 comprises a pressing rod 701 and a positioning piece 702, the pressing rod 701 penetrates through the pressing arm 6, the positioning piece 702 is further sleeved at the upper end of the pressing rod 701, the positioning piece 702 is used for limiting the pressing rod 701 to be separated from the pressing arm 6 in the cutting process, the pressing head 7 is correspondingly arranged above the bearing table 401, and the pressing head 7 and the bearing table 401 are matched to form clamping of a removing portion.

Further, in order to ensure that the pressure head 7 and the receiving platform 401 can firmly clamp the removing part, a pressing block 8 is further installed below the pressure head 7, the whole side face, close to the glass to be cut, of the pressing block 8 is tightly attached to the glass to be cut, the pressing of the largest area of the glass to be cut is achieved, the pressing rod 701 penetrates through the pressing block 8, the connection with the pressing block 8 is achieved, through the arrangement of the pressing block 8 and the receiving platform 401, the clamping of the removing part of the glass to be cut by the clamping jaw assembly 3 is strengthened, and therefore the subsequent splitting is facilitated.

In order to prevent the situation that the clamping jaw assembly 3 clamps the removed part loosely when the pressure head 7 slides down from the removed part in the process of cutting the glass to be cut by the laser cutting head, the clamping jaw assembly 3 is further provided with a locking piece 9. The locking member 9 includes a positioning frame 901, a locking block 902, a fixing shaft 903, a second rotating shaft 904, a third rotating shaft 905 and a handle 906, and the fixing shaft 903, the second rotating shaft 904 and the third rotating shaft 905 are sequentially arranged along the end of the positioning frame 901 toward the handle 906. The fixed shaft 903 penetrates through the locating rack 901 and the fixed seat 5, the locating rack 901 is hinged to the fixed seat 5, the second rotating shaft 904 penetrates through the middle of the locating rack 901 and the middle of the pressing arm 6, the two ends of the locking block 902 are of a double-lug plate type, the first end of the locking block 902 penetrates through and is also rotatably arranged on the second rotating shaft 904, and the second rotating shaft and the locating rack 901 and the pressing arm 6 rotate coaxially. The third rotating shaft 905 penetrates through the second ends of the positioning frame 901 and the locking block 902 at the same time, so that the coaxial rotation of the positioning frame 901 and the locking block 902 is realized. Staff adjustment handle 906 drives and compresses tightly the arm 6 and rotates, the realization uses second axis of rotation 904 and first axis of rotation 501 as the fulcrum, under lever principle, staff adjustment handle 906 rotates to the direction of keeping away from pressure head 7, make pressure head 7 leave from the removal part, on the contrary, handle 906 rotates to the direction of being close to pressure head 7, make latch segment 902 contradict on compressing tightly the arm 6, realize the fixed of latch segment 902 to compressing tightly arm 6 position, avoid appearing cutting in-process clamping jaw assembly 3 and wait to cut the not tight phenomenon of glass centre gripping.

As shown in fig. 1 and 2, a gap hollow is arranged between the adsorption platform 2 and the support base 4, the gap hollow corresponds to the cutting track of the laser cutting head, high-intensity reflected light at the bottom can be effectively reduced through the gap hollow, and the heat influence area is reduced.

Specifically, install slide rail 10 on cutting platform 1, the below of supporting base 4 is dismantled through the connecting piece and is connected with slider 12, and is concrete, and the connecting piece is the bolt, and slide rail 10 sets up two in the symmetry of supporting base 4 below, and two slide rails 10 respectively with slider 12 one-to-ones, ensure that clamping jaw assembly 3 slides along slide rail 10 is stable, avoid it to take place crooked, and slider 12 sliding fit connects on slide rail 10, has realized the sliding connection between clamping jaw assembly 3 and cutting platform 1. Still be provided with the guide way in the both sides of slide rail 10, fixedly connected with gib block 12 is connected in the guide way through the gib block cooperation, ensures that slide block 12 slides along slide rail 10 is stable, reduces the possibility that takes place the card phenomenon of pause.

In order to further improve the efficiency of pulling out piece formula lobe of a leaf, still be connected with drive assembly 11 on clamping jaw assembly 3, drive assembly 11 sets up in the one side that supports base 4 and keep away from adsorption platform 2, drive assembly 11 is used for driving clamping jaw assembly 3 and slides along slide rail 10, the efficiency that clamping jaw assembly 3 pulled out piece formula lobe of a leaf has been improved, mechanical drive's dynamics is bigger simultaneously, efficiency is higher, glass's deformation is less during the lobe of a leaf, be difficult to damage, be favorable to cutting glass's industrial production.

The specific implementation process comprises the following steps: when the glass to be cut is cut, a worker adjusts the switch of the driving component 11, the driving component 11 drives the clamping jaw component 3 to slide to a corresponding position along the sliding rail 10 in the direction close to the adsorption platform 2, the glass to be cut is placed on the adsorption platform 2, and then the switch of the vacuum component is turned on, so that the adsorption platform 2 adsorbs and fixes the glass to be cut on the adsorption platform in a vacuum state; at this time, the laser cutting head cuts the glass to be cut along a predetermined trajectory. After the cutting is accomplished, the part of getting rid of treating the glass that cuts this moment is arranged in on the platform 401 of holding, the staff adjusts briquetting 8 through handle 906 and compresses tightly at the part of getting rid of treating the glass that cuts, make clamping jaw assembly 3 press from both sides the part of getting rid of, then drive assembly 11 drive clamping jaw assembly 3 slides to the direction of keeping away from adsorption platform 2, make the part of getting rid of separate with treating the glass that cuts, obtain the product, close vacuum assembly, adsorption platform 2 stops adsorbing, take away the product, realize treating the pull-out formula lobe of a leaf of cutting glass, the completion is treated the cutting of cutting glass, the lobe of a leaf. At the moment, the glass is less in deformation and almost free of damage, and the edge of the splinter is flat and is not easy to break.

Moreover, the Bessel crop head is combined with the pull-type lobe, the problem of large edge breakage is effectively solved, chipping smaller than 3 mu m is achieved, glass deformation is small in the application, the pull-type lobe is simple and convenient to operate, and industrial production of cutting glass can be met.

Example two

Corresponding to the above embodiments, the present application provides a cutting method, comprising the steps of: firstly, the staff adjusts the laser cutting head to correspond to the upper part of the cutting platform 1, wherein the laser cutting head is a Bessel cutting head. A worker adjusts a switch of a driving component 11, the driving component 11 drives a clamping jaw component 3 to slide to a corresponding position along a sliding rail 10 in a direction close to an adsorption platform 2, glass to be cut is placed on the adsorption platform 2, and then the switch of a vacuum component is turned on, so that the adsorption platform 2 adsorbs and fixes the glass to be cut on the adsorption platform in a vacuum state; at this time, the laser cutting head cuts the glass to be cut along a predetermined trajectory. After the cutting is accomplished, the part of getting rid of treating the glass that cuts this moment is arranged in on the platform 401 of holding, simultaneously the staff adjusts briquetting 8 through handle 906 and compresses tightly the part of getting rid of treating the glass that cuts, make clamping jaw assembly 3 press from both sides the part of getting rid of, then drive assembly 11 drive clamping jaw assembly 3 slides to the direction of keeping away from adsorption platform 2, make the part of getting rid of separate with treating the glass that cuts, obtain the product, close vacuum assembly, adsorption platform 2 stops adsorbing, take away the product, realize treating the pull-out formula lobe of a leaf of cutting glass, the completion is treated the cutting of cutting glass, the lobe of a leaf. At the moment, the glass is less in deformation and almost free of damage, and the edge of the splinter is flat and is not easy to break.

Specifically, as shown in fig. 3, the laser cutting head further includes a laser emitter, a beam expander, a first reflector, a second reflector, and a third reflector, the laser emitter, the beam expander, the first reflector, and the second reflector are mounted at corresponding positions, and the third reflector and the bessel cutting head are movably disposed and cut according to a specified track in the cutting process.

Specifically, the cutting light path is as shown in fig. 3, the laser emitted by the laser emitter enters the first reflector through the beam expander, most of the laser enters the second reflector through the reflection of the first reflector, most of the laser enters the third reflector through the reflection of the second reflector, and most of the laser enters the bessel cut end through the reflection of the third reflector, so that laser cutting is realized. The Bessel beam is focused, and the cutting focal depth is long, so that the method can be effectively applied to cutting of glass with different thicknesses.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.