Follow-up device for laser cutting of curved glass

Abstract

The utility model relates to the field of glass processing, in particular to a follow-up device for laser cutting of curved glass, which comprises a base, rotating shafts are arranged at two ends of the base, and the rotating shafts are connected with a workbench synchronously and horizontally rotating along with the rotating shafts. An air cylinder used for driving the rotating shaft to horizontally rotate is arranged on one side of the workbench, an electromagnetic valve used for controlling the air cylinder to ascend and descend is arranged on one side of the air cylinder, a laser machine used for cutting a product is transversely erected on the top of the workbench, and the product is placed on the surface of the workbench. The curved surface radian of the product is matched with the curved surface radian of the workbench so as to be matched with the cutting curvature of the laser machine. According to the utility model, the accuracy and completeness of the cutting position are ensured by detecting and adjusting the position of the focus point of the laser beam in real time, the phenomenon of edge breakage or piece cracking of glass in the cutting process is effectively reduced, the reject ratio is reduced, and the product quality and the production benefit are improved.

Description

Technical Field

[0001] The utility model relates to the field of glass processing, in particular to a follower device for laser cutting curved glass. Background Art

[0002] In the field of glass cutting, laser cutting technology is usually used to cut glass of different sizes and shapes to fix and carry the processed glass objects. The existing laser cutting glass technology uses a focused laser beam to irradiate the specified cutting position to complete the cutting action. However, when cutting curved glass, due to the inconsistent height between the surface of the curved glass and the flat operating base surface, the laser focus point cannot be completely irradiated on the curved glass, resulting in incomplete glass cutting, which is prone to edge collapse or cracking, resulting in an increase in the defective rate.

[0003] The Chinese invention patent with application publication number CN102718398 discloses a method for ultra-short pulse dual-path laser cutting of special-shaped glass, wherein the device comprises a laser, the laser emitted by the laser is incident on the surface of a semi-transparent and semi-reflective mirror after passing through an optical gate and a beam expander, and the laser reflected by the semi-transparent and semi-reflective mirror is vertically projected toward the platform after passing through an optical scanning system. However, the device cannot effectively adapt to curved glass.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] In view of the above defects or improvement needs of the prior art, the utility model provides a follower device for laser cutting curved glass, the purpose of which is to allow the curved glass to follow the focus point of the laser beam, thereby solving the technical problem of inaccurate focusing of the laser beam on the curved glass, resulting in glass edge breakage or cracks. The detailed technical solution of the utility model is as follows.

[0006] The utility model protects a follower device for laser cutting curved glass, comprising a base, wherein both ends of the base are provided with rotating shafts, the rotating shaft is connected to a workbench that rotates horizontally synchronously with the rotating shaft, a cylinder for driving the rotating shaft to rotate horizontally is provided on one side of the workbench, a solenoid valve for controlling the lifting of the cylinder is provided on one side of the cylinder, a laser machine for cutting products is horizontally mounted on the top of the workbench, products are placed on the surface of the workbench, the curvature of the curved surface of the product is adapted to the curvature of the curved surface of the workbench so as to match the cutting curvature of the laser machine, the workbench comprises a first partition and a second partition, a first sensor is provided at the outer bottom end of the first partition, a second sensor is provided at the outer bottom end of the second partition, the first sensor starts the solenoid valve after sensing the laser machine, and drives the workbench to rotate horizontally toward the direction of the second sensor along with the cutting angle of the laser machine, and the second sensor starts the solenoid valve after sensing the laser machine, and drives the workbench to rotate horizontally toward the direction of the first sensor along with the cutting angle of the laser machine.

[0007] Preferably, the solenoid valve is electrically connected to the first sensor, the second sensor and the cylinder.

[0008] Preferably, the laser machine is movably connected to a slide rail, and the slide rail is used to guide the laser machine to move horizontally.

[0009] Preferably, the first sensor and the second sensor are symmetrically distributed along the rotation axis.

[0010] Preferably, the horizontal rotation angle of the workbench is less than 180 degrees.

[0011] Preferably, a groove is provided on the surface of the base to provide a rotation space for the workbench.

[0012] Preferably, the surface material of the workbench is any one of rubber, resin, polyurethane, carbon fiber and plastic.

[0013] Preferably, the cylinder is any one of a pen-shaped cylinder, a thin cylinder, a pull rod-shaped cylinder and a threaded cylinder.

[0014] Preferably, the solenoid valve is any one of a distributed direct-acting solenoid valve, a pilot solenoid valve, a hydraulic solenoid valve and a steam solenoid valve.

[0015] Preferably, the rotation axis is any one of a linear rotation axis, a circular rotation axis and a point rotation axis.

[0016] The beneficial effects of the utility model are:

[0017] (1) The utility model ensures the accuracy and integrity of the cutting position by real-time detection and adjustment of the position of the laser beam focus point, effectively reduces the edge collapse or cracking of the glass during the cutting process, reduces the defective rate, and improves product quality and production efficiency;

[0018] (2) The utility model can realize the cutting of multiple small pieces on the same piece of glass, and can be flexibly adjusted according to different glass materials and cutting requirements, thereby improving processing efficiency and adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a top view of the base portion of the utility model;

[0020] Figure 2 It is a three-dimensional diagram of the base part of the utility model;

[0021] Figure 3 It is an overall side view of the utility model;

[0022] Figure 4 It is an overall stereogram of the utility model.

[0023] In the figure: 1. base; 2. workbench; 2-1. first partition; 2-2. second partition; 3. rotating axis; 4. cylinder; 5. solenoid valve; 6. laser machine; 7. slide rail; 8. first sensor; 9. second sensor; 10. product; 11. notch. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] The utility model protects a follow-up device for laser cutting curved glass, such as Figure 1 — Figure 4As shown, it includes a base 1, and both ends of the base 1 are provided with a rotating shaft 3, and the rotating shaft 3 is connected to a workbench 2 that rotates horizontally synchronously with the rotating shaft 3, and a cylinder 4 for driving the rotating shaft 3 to rotate horizontally is provided on one side of the workbench 2, and a solenoid valve 5 for controlling the lifting of the cylinder 4 is provided on one side of the cylinder 4, and a laser machine 6 for cutting a product 10 is horizontally mounted on the top of the workbench 2, and a product 10 is placed on the surface of the workbench 2, and the curvature of the curved surface of the product 10 is adapted to the curvature of the curved surface of the workbench 2 so as to match the cutting curvature of the laser machine 6. The workbench 2 includes a first partition 2-1 and a second partition 2-2. A first sensor 8 is arranged at the outer bottom end of the first partition 2-1, and a second sensor 9 is arranged at the outer bottom end of the second partition 2-2. The first sensor 8 starts the solenoid valve 5 after sensing the laser machine 6, and drives the workbench 2 to rotate horizontally toward the direction of the second sensor 9 along with the cutting angle of the laser machine 6. The second sensor 9 starts the solenoid valve 5 after sensing the laser machine 6, and drives the workbench 2 to rotate horizontally toward the direction of the first sensor 8 along with the cutting angle of the laser machine 6.

[0026] As a preferred embodiment, the solenoid valve 5 is electrically connected to the first sensor 8, the second sensor 9 and the cylinder 4, and is used to collect and send electrical signals. The first sensor 8 and the second sensor 9 send electrical signals to the solenoid valve 5, and the solenoid valve 5 receives the electrical signals and sends the electrical signals to the cylinder 4 to drive the cylinder 4 to rise and fall.

[0027] As a preferred embodiment, the laser machine 6 is movably connected to a slide rail 7, and the slide rail 7 is used to guide the laser machine 6 to move horizontally.

[0028] As a preferred embodiment, the first sensor 8 and the second sensor 9 are symmetrically distributed along the rotation axis 3 , which is beneficial for identifying the relative position of the laser machine 6 .

[0029] As a preferred embodiment, the horizontal rotation angle of the workbench 2 is less than 180 degrees to prevent the product 10 from tipping over.

[0030] As a preferred embodiment, a notch 11 is provided on the surface of the base 1 to provide a rotation space for the workbench 2 .

[0031] As a preferred embodiment, the surface material of the workbench 2 is any one of rubber, resin, polyurethane, carbon fiber and plastic. The use of flexible material is conducive to contact with the product 10 and generates friction to prevent the product 10 from slipping during rotation.

[0032] As a preferred embodiment, the cylinder 4 is any one of a pen-shaped cylinder, a thin cylinder, a pull rod-shaped cylinder and a threaded cylinder, and is used to provide power for the rotating shaft 3 .

[0033] As a preferred embodiment, the solenoid valve 5 is any one of a distributed direct-acting solenoid valve, a pilot solenoid valve, a hydraulic solenoid valve and a steam solenoid valve, so that electromagnetic control components can be used in conjunction with different circuits to achieve the desired control and ensure the accuracy and flexibility of the control.

[0034] As a preferred embodiment, the rotating shaft 3 is any one of a linear rotating shaft, a circular rotating shaft and a point rotating shaft, and is used to drive the rotation of the machine.

[0035] When in use, the laser machine 6 is started to work. After the first sensor 8 at the bottom of the outer side of the first partition 2-1 detects the laser machine 6, it sends an electrical signal to the solenoid valve 5, and the solenoid valve 5 controls the cylinder 4 to rise, and the cylinder 4 drives the rotating shaft 3 to rotate. When the laser machine 6 cuts the product 10, the rotating shaft 3 drives the workbench 2 to rotate horizontally in the slot 11 along the cutting angle of the laser machine 6 toward the direction of the second sensor 9, so that the focus of the laser machine 6 is always kept on the surface of the product 10. After the cutting of the product 10 in the first partition 2-1 is completed, the laser machine 6 moves to the second partition 2-2 through the slide rail 7. After the second sensor 9 at the bottom of the outer side of the second partition 2-2 detects the laser machine 6, it sends an electrical signal to the solenoid valve 5, and the solenoid valve 5 controls the cylinder 4 to descend, and the cylinder 4 drives the rotating shaft 3 to rotate in the opposite direction. When the laser machine 6 cuts the product 10 in the second partition 2-2, the rotating shaft 3 continues to drive the workbench 2 to rotate horizontally in the slot 11 along the cutting angle of the laser machine 6 toward the direction of the first sensor 6, so that the focus of the laser machine 6 is synchronously kept on the surface of the product 10. After the cutting of the products 10 on both sides is completed, the follower device returns to the initial position and prepares for the next operation.

[0036] It is easy for those skilled in the art to understand that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A follow-up device for laser cutting curved glass, characterized in that: The invention comprises a base, both ends of which are provided with rotating shafts, the rotating shaft is connected with a workbench which rotates horizontally synchronously with the rotating shaft, a cylinder for driving the rotating shaft to rotate horizontally is provided on one side of the workbench, a solenoid valve for controlling the lifting of the cylinder is provided on one side of the cylinder, a laser machine for cutting products is horizontally mounted on the top of the workbench, products are placed on the surface of the workbench, the curvature of the curved surface of the product is adapted to the curvature of the curved surface of the workbench so as to match the cutting curvature of the laser machine, the workbench comprises a first partition and a second partition, a first sensor is provided at the outer bottom end of the first partition, a second sensor is provided at the outer bottom end of the second partition, the first sensor starts the solenoid valve after sensing the laser machine, and drives the workbench to rotate horizontally toward the direction of the second sensor along with the cutting angle of the laser machine, and the second sensor starts the solenoid valve after sensing the laser machine, and drives the workbench to rotate horizontally toward the direction of the first sensor along with the cutting angle of the laser machine.

2. The follower device for laser cutting curved glass according to claim 1, characterized in that: The solenoid valve is electrically connected to the first sensor, the second sensor and the cylinder.

3. The follower device for laser cutting curved glass according to claim 1, characterized in that: The laser machine is movably connected to a slide rail, and the slide rail is used to guide the laser machine to move horizontally.

4. The follower device for laser cutting curved glass according to claim 2, characterized in that: The first sensor and the second sensor are symmetrically distributed along the rotation axis.

5. The follower device for laser cutting curved glass according to claim 3, characterized in that: The horizontal rotation angle of the workbench is less than 180 degrees.

6. The follower device for laser cutting curved glass according to claim 5, characterized in that: A notch is provided on the surface of the base to provide a rotation space for the workbench.

7. The follower device for laser cutting curved glass according to claim 6, characterized in that: The surface material of the workbench is any one of rubber, resin, polyurethane, carbon fiber and plastic.

8. The follower device for laser cutting curved glass according to claim 1, characterized in that: The cylinder is any one of a pen-shaped cylinder, a thin cylinder, a pull rod-shaped cylinder and a threaded cylinder.

9. The follower device for laser cutting curved glass according to claim 2, characterized in that: The solenoid valve is any one of a distributed direct-acting solenoid valve, a pilot solenoid valve, a hydraulic solenoid valve and a steam solenoid valve.

10. The follower device for laser cutting curved glass according to claim 1, characterized in that: The rotation axis is any one of a linear rotation axis, a circular rotation axis and a point rotation axis.

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