Tempered glass product subsurface laser engraving device and method thereof

Abstract

The invention discloses a tempered glass product subsurface laser engraving device and method, and belongs to the technical field of tempered glass product laser engraving. According to the tempered glass product subsurface laser engraving device and method, the tempered glass product subsurface laser engraving device comprises a lower shell, connecting frames are arranged on the two sides of the upper end of the exterior of the lower shell, and trays are welded to the upper ends and the lower ends of the exteriors of the two connecting frames. According to the curved glass laser engraving device, the problems that according to an existing curved glass laser engraving device, glass scraps can affect follow-up glass tiling, and consequently tiled glass cannot be stably placed are solved, the scraps can be dumped after a tray is rotated, and after dumping, the tray making contact with tempered glass can make contact with a brush; the brush transversely moves while rotating so that the surface of the tray can be cleaned, the tray can be replaced while cleaning is conducted, and the cleaned tray and the engraved tempered glass can be replaced for use.

Description

Technical Field

[0001] The invention relates to the technical field of laser engraving of tempered glass products, in particular to a sub-surface laser engraving device and a method thereof. Background Art

[0002] The sub-surface laser engraving device for tempered glass products is a high-precision processing device that uses a laser beam to perform fine engraving on the inner sub-surface of tempered glass without damaging the glass surface. This device forms clear and lasting patterns or texts inside the glass by precisely controlling the power, focus point and scanning path of the laser, achieving personalized customization and decorative effects.

[0003] A Chinese patent with publication number CN210080955U discloses a 3D curved glass laser engraving device, including an ultrasonic water tank, an electro-hydraulic push rod is arranged in the middle of the ultrasonic water tank, a lifting frame is arranged on the upper end of the electro-hydraulic push rod, and a plurality of groups of first rollers are rotatably connected in the lifting frame through a rotating shaft. The 3D curved glass after spraying is automatically laser engraved to improve production efficiency, and the 3D curved glass after laser engraving is ultrasonically cleaned to prevent stains and dust from affecting the next processing of the 3D curved glass.

[0004] When the curved glass laser engraving device of the above patent processes the surface of tempered glass, after the laser is emitted and contacts the glass, glass fragments generated by the laser will splash and remain inside the device. The glass fragments will affect the subsequent tiling of the glass, causing the laid glass to be unable to be placed stably, affecting the laser engraving effect, and the fragments are not actively collected, affecting the subsequent cleaning efficiency inside the device. Summary of the invention

[0005] The purpose of the present invention is to provide a sub-surface laser engraving device and method for tempered glass products. The crushed pieces can be dumped out first after the tray rotates. After dumping, the tray that contacts the tempered glass will also contact the brush. The brush rotates and moves laterally to clean the surface of the tray. During the cleaning, the tray can be replaced, so that the cleaning tray and the engraved tempered glass can be used interchangeably, thereby solving the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a sub-surface laser engraving device for tempered glass products, comprising a lower shell, connecting frames are arranged on both sides of the upper end of the outer side of the lower shell, trays are welded to the upper and lower ends of the outer sides of the two connecting frames, a second gear is welded to one side of the outer sides of the two connecting frames, a supporting ring is welded around the inner side of the lower shell facing the connecting frame, a brush is transversely arranged at the lower end of the supporting ring, a first limiting ring is arranged at the front end of the outer side of the brush, and a second limiting ring is arranged at the rear end of the outer wall of the brush.

[0007] Preferably, a blanking port is provided at the lower end between the second limiting ring and the first limiting ring, the outer wall of the first limiting ring is fitted with the inner wall of the brush, and a second threaded rod is provided on the other side of the lower end of the support ring. The second limiting ring and the first limiting ring are welded and fixed by a sliding block at one end toward the outside of the second threaded rod. After being restricted by the brush, the debris will restrict the second limiting ring. After the second limiting ring restricts the debris, the first limiting ring will also restrict the debris. The restrictions of the second limiting ring and the first limiting ring can make the debris finally converge and separate.

[0008] Preferably, the sliding block is located outside the second threaded rod and cooperates with the external thread of the second threaded rod. One side of the sliding block is rotatably connected to the other end of the brush and falls into the blanking port. The rotation of the second threaded rod can generate relative movement with the interior of the sliding block. After being restricted by the lower outer shell, the brush can be driven to move laterally, and the lateral movement can clean the tray.

[0009] Preferably, a first gear is meshingly connected to the outside of the second gear on one side, and a transmission plate is rotatably provided on the other end of the second gear. A first threaded rod with threaded cooperation is penetrated through the inside of the transmission plate. The first gear can rotate after output, and the rotation of the first gear can drive the second gear to rotate. The rotation of the second gear can drive the connected tray to rotate and flip through the connecting frame, and the flipping of the tray can dump the debris on the surface.

[0010] Preferably, a pair of diverter frames are provided at the front and rear ends and both sides between the upper end of the outside of the support ring and the upper end of the lower shell, and the four pairs of diverter frames are sealed and connected by transmission pipes. A fan is provided at one end of the transmission pipe. The gas transmitted by the transmission pipe will be diverted and transmitted to the inside of the diverter frame. The gas discharged from the inside of the diverter frame will clean the upper end of the support ring, so that the crushed particles at the upper end of the support ring can be uniformly sent into the lower shell.

[0011] Preferably, an upper shell is provided at the upper end of the outer portion of the lower shell, and hydraulic telescopic rods are provided at the front and rear ends of both sides of the outer portion of the upper shell. The upper shell can be pushed by extending and retracting the hydraulic telescopic rods. Pushing the upper shell can move longitudinally upward to expose the tray. Exposing the tray can expose the tempered glass, and the placement and removal of the tempered glass can be adjusted.

[0012] Preferably, a motor is provided at one end of the brush, and the motor housing is slidably connected to one side of the lower end of the support ring. The brush can be driven to rotate by the output of the motor, and the rotation of the brush can clean the surface of the tray.

[0013] Preferably, a filter screen is provided on one side of the upper end of the upper shell, and filter screens are provided at the middle positions of both sides of the upper shell, and the filter screens can filter the air.

[0014] A method for laser engraving a sub-surface of a tempered glass product, comprising the following steps:

[0015] Step 1: Place the tempered glass on the upper end of the tray, and the laser emitting device emits laser to perform sub-surface laser engraving on the tempered glass;

[0016] Step 2: After the tempered glass engraving is completed, the hydraulic telescopic rod is extended to expose the upper end of the tray, and the first threaded rod rotates to drive the tray to adjust its longitudinal horizontal position;

[0017] Step 3: The rotation of the first gear can drive the rotation of the second gear, and the rotation of the second gear can drive the tray to rotate through the connecting frame, and the flipping of the tray can dump the glass fragments on the surface;

[0018] Step 4: The second threaded rod rotates to generate relative motion with the inside of the sliding block. The sliding block can drive the brush to move horizontally after passing through the restriction of the lower shell. The motor at one end of the brush is started, and the rotating brush contacts the tray in turn horizontally to clean it.

[0019] Step 5: The brush rotates clockwise to drive the debris on the surface of the tray to move toward the second limiting ring. After the debris is restricted by the first limiting ring, the debris gathers and falls from the drop opening. The debris falling from the drop opening falls into the collection box.

[0020] Step 6. After rotating and replacing the pallet, place the tempered glass on the upper end of the pallet, shrink the hydraulic telescopic rod and wrap it around the outside of the pallet, start the laser emitting device again and engrave the tempered glass.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. A pair of trays are longitudinally arranged between the upper shell and the lower shell of the present invention. The two trays are driven and connected by a connecting frame. The connecting frame can drive the trays to rotate through output. The rotation of the trays can directly replace the tray in contact with the tempered glass, so that the tray previously in contact with the tempered glass can directly dump the debris on the surface. During the rotation, the transmission pipe transmits gas. After the gas is transmitted and diverted, the gas can be discharged from the diversion frame position at the same time to discharge and clean the upper end area outside the support ring. When the tray is rotated and replaced and dumps the debris, the debris can be prevented from flowing to the outside of the lower shell by the push of air, which is convenient for collecting the debris, improving the processing effect of the debris, and reducing the cleaning frequency and cleaning intensity of the device for subsequent users. In addition, after the tray is rotated and replaced, the replaced tray will dump the debris to prevent the debris from being retained on the surface of the tray and affecting the placement of the glass.

[0023] 2. After the tray of the present invention rotates to face one side of the lower shell and is supported on the upper end of the supporting ring, the tray will fit the brush on the upper end of the lower shell. The rotation of the brush can further clean the lower end of the tray outside. After the tray is dumped with debris, further cleaning is performed. The rotation of the brush can make the flying debris face the second limiting ring. The restriction of the second limiting ring and the first limiting ring can make the debris fall from the drop port. The fallen debris will eventually fall into the collection box. After the tray is rotated, further cleaning is performed, thereby improving the cleaning effect of the tray, facilitating the subsequent rotation of the tray for further rotation and replacement, and avoiding foreign matter on the surface of the tray that contacts the tempered glass and affects the stable placement of the glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a stereoscopic diagram of the overall external structure of the present invention;

[0025] Figure 2 A cross-sectional view of the internal structure of the upper housing of the present invention;

[0026] Figure 3 For the present invention Figure 2 A partial enlarged view of the middle A area;

[0027] Figure 4 It is a schematic diagram of the transmission trajectory of the transmission tube of the present invention;

[0028] Figure 5 It is a cross-sectional view of the second threaded rod transmission structure of the present invention;

[0029] Figure 6 A cross-sectional view showing the position relationship of the brush of the present invention;

[0030] Figure 7 For the present invention Figure 6 A partial enlarged view of area B in the middle.

[0031] In the figure: 1. upper shell; 2. filter; 3. fan; 4. lower shell; 5. collection box; 6. transmission pipe; 7. diverter frame; 8. laser emitting device; 9. tray; 10. connecting frame; 11. first gear; 12. second gear; 13. transmission plate; 14. first threaded rod; 15. second threaded rod; 17. support ring; 18. hydraulic telescopic rod; 19. brush; 20. first limiting ring; 21. second limiting ring; 22. drop opening; 23. sliding block. DETAILED DESCRIPTION

[0032] The present invention is further described below in conjunction with specific embodiments.

[0033] Example 1

[0034] like Figure 1As shown, a tempered glass product sub-surface laser engraving device of this embodiment includes a lower housing 4, an upper housing 1 is arranged at the upper end of the outer portion of the lower housing 4, and hydraulic telescopic rods 18 are arranged at both front and rear ends of both sides of the outer portion of the upper housing 1, and both ends of the hydraulic telescopic rod 18 are respectively fixedly connected to the upper housing 1 and the lower housing 4 by bolts, and the upper housing 1 can be pushed to move longitudinally upward by the extension and contraction of the hydraulic telescopic rod 18, so as to push the upper housing 1 and expose the upper end of the outer portion of the lower housing 4;

[0035] A laser emitting device 8 is disposed at the upper end of the upper housing 1. The laser emitted by the laser emitting device 8 can contact the tempered glass and realize sub-surface laser engraving of the tempered glass product.

[0036] In order to facilitate the collection and treatment of the debris generated by tempered glass processing, Figure 1 and Figure 2 As shown, connecting frames 10 are provided on both sides between the upper end of the outer portion of the lower housing 4 and the lower end of the outer portion of the upper housing 1, and trays 9 are provided on the upper and lower ends of the outer portions of the two connecting frames 10, and the trays 9 and the connecting frames 10 are welded and fixed. After the hydraulic telescopic rod 18 is retracted, the upper housing 1 will wrap the upper end of the outer portion of the tray 9. After the tempered glass is placed on the upper end of the outer portion of the tray 9, the tempered glass can be wrapped by the upper housing 1, and the lower end of the outer portion of the other tray 9 faces the inner portion of the lower housing 4, so as to facilitate cleaning of the surface of the tray 9.

[0037] Among them, a second gear 12 is provided on one side of the outside of the two connecting frames 10, and one end of the second gear 12 is welded and fixed to the connecting frame 10, a first gear 11 is provided on one side of the outside of the second gear 12, and the outside of the first gear 11 is meshed and connected with the outside of the second gear 12, and a motor is provided on the other end of the first gear 11, and the output of the motor can drive the second gear 12 to rotate through the first gear 11, and the rotation of the second gear 12 can drive the two trays 9 to rotate and flip through the connecting frame 10;

[0038] In addition, a support ring 17 is disposed around the inner side of the lower housing 4 facing the connecting frame 10, and the support ring 17 is welded and fixed to the lower housing 4. Figure 2 , Figure 3 and Figure 5 As shown, the rotated tray 9 can contact the upper end of the outer side of the support ring 17. After the support ring 17 is attached, it is convenient to clean the tray 9, and it is prevented that the debris splashes to the outer side of the lower housing 4 when cleaning the tray 9;

[0039] In order to improve the cleaning of the tray 9, as Figure 6 and Figure 7As shown, a second threaded rod 15 is provided on the other side of the lower end of the support ring 17, a brush 19 is transversely provided on the lower end of the support ring 17, a motor is provided on one end of the brush 19, the housing of the motor is slidably connected to one side of the lower end of the support ring 17, a sliding block 23 is provided on the outside of the second threaded rod 15, and the inside of the sliding block 23 is matched with the external thread of the second threaded rod 15, a motor is provided on one end of the second threaded rod 15, one side of the sliding block 23 is rotatably connected to the other end of the brush 19, after the second threaded rod 15 rotates, after being restricted by the motor housing and one side of the lower end of the support ring 17, the brush 19 is able to move transversely along the tray 9, the tray 9 can rotate through the output of the motor at one end, and the rotation of the brush 19 can clean the outer wall of the tray 9;

[0040] Among them, a first limiting ring 20 is provided at the front end of the outside of the brush 19, and the outer wall of the first limiting ring 20 is in contact with the inner wall of the brush 19. The first limiting ring 20 can limit the splashing debris generated by the rotation of the brush 19. A second limiting ring 21 is provided at the rear end of the outer wall of the brush 19, and a drop opening 22 is provided at the lower end between the second limiting ring 21 and the first limiting ring 20. The clockwise rotation of the brush 19 can clean the tray 9, and the cleaned debris can move toward the second limiting ring 21. The debris can be discharged from the drop opening 22 due to the restriction of the second limiting ring 21 and the first limiting ring 20.

[0041] In addition, if Figure 7 As shown, the second limiting ring 21 is welded and fixed to the first limiting ring 20, and the welding position of the second limiting ring 21 and the first limiting ring 20 is welded and fixed to the outer wall of the sliding block 23. The sliding block 23 can facilitate the transmission of the second threaded rod 15 and improve the stability of the debris collection:

[0042] In order to facilitate cleaning of the upper end of the protruding support ring 17, Figure 4 As shown, a pair of diverter frames 7 are provided at both ends and both sides between the upper end of the outer side of the support ring 17 and the upper end of the lower housing 4. The four pairs of diverter frames 7 are sealed and connected by a transmission pipe 6. A fan 3 is provided at one end of the transmission pipe 6. The fan 3 can extract external gas when the fan is started, so that the gas is transmitted to the inside of the diverter frame 7 respectively, and the gas enters the inside of the diverter frame 7 and contacts the upper end of the outer side of the support ring 17.

[0043] A transmission plate 13 is disposed at the lower end of the second gear 12, and the upper end of the transmission plate 13 is rotatably connected to the other end of the second gear 12. Figure 3 and Figure 4As shown, a first threaded rod 14 is provided inside the transmission piece 13, and the outside of the first threaded rod 14 cooperates with the internal thread of the transmission piece 13. The rotation of the first threaded rod 14 can generate relative movement with the inside of the transmission piece 13. After the transmission piece 13 is restricted by the lower shell 4, the transmission piece 13, the second gear 12 and the first gear 11 can be transformed from rotational movement to longitudinal linear movement. The outer wall of the motor at the other end of the first gear 11 and the upper end of the transmission piece 13 are fixedly connected by bolts. The tray 9 can adjust the longitudinal horizontal position after the rotation of the first threaded rod 14, and rotate after the horizontal position is adjusted. The rotation can replace the tray 9.

[0044] Example 2

[0045] A filter screen 2 is provided on one side of the upper end of the upper housing 1, and a filter screen 2 is provided in the middle position of both sides of the upper housing 1. The filter screen can restrict the flow of air to prevent the odor generated during the tempered glass processing from causing discomfort to the users around the device;

[0046] Example 3

[0047] like Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, a collecting box 5 is provided at the front end of the outside of the lower shell 4, and the two sides of the outside of the collecting box 5 are respectively slidably connected to the two sides of the inside of the lower shell 4, and the rotating tray 9 can dump the debris. The dumped debris and the debris generated by the rotation of the brush 19 will be collected inside the collecting box 5 for easy unified dumping.

[0048] A method for laser engraving a sub-surface of a tempered glass product, comprising the following steps:

[0049] Step 1: Place the tempered glass on the upper end of the tray 9, and the laser emitting device 8 emits a laser, which contacts the tempered glass from the back of the tempered glass. This engraving method will not damage the surface integrity of the glass. The contraction of the hydraulic telescopic rod 18 can drive the upper shell 1 to move longitudinally downward until the lower end of the upper shell 1 is in contact with the upper end of the support ring 17;

[0050] Step 2: After the tempered glass engraving is completed, the hydraulic telescopic rod 18 is extended to expose the upper end of the tray 9, and the first threaded rod 14 is driven by the motor to rotate. The rotation of the first threaded rod 14 drives the tray 9 to adjust its longitudinal horizontal position after being restricted by the lower shell 4;

[0051] Step 3: After the tray 9 moves vertically upward, the motor at one end of the first gear 11 is started. The rotation of the first gear 11 can drive the second gear 12 to rotate. The rotation of the second gear 12 can drive the tray 9 to rotate through the connecting frame 10. The tray 9 rotates to achieve flipping. The flipping of the tray 9 can dump the glass fragments on the surface, so that part of the glass fragments are poured into the collection box 5.

[0052] Step 4: The rotation of the second threaded rod 15 can generate relative motion with the inside of the sliding block 23. The sliding block 23 can drive the brush 19 to move horizontally after passing through the restriction of the lower housing 4. The motor at one end of the brush 19 is started, and the rotating brush 19 contacts the tray 9 horizontally in turn to clean it.

[0053] Step 5: The clockwise rotation of the brush 19 can drive the debris on the surface of the tray 9 to move toward the second limiting ring 21. After being blocked by the second limiting ring 21, the debris is restricted by the first limiting ring 20, and finally gathers and falls from the drop opening 22. The debris falling from the drop opening 22 falls into the collection box 5.

[0054] Step 6. After rotating and replacing the tray 9, the rotation of the first threaded rod 14 can drive the tray 9 to move toward the support ring 17 and fit the support ring 17, place the tempered glass on the upper end of the tray 9, and the hydraulic telescopic rod 18 shrinks and wraps around the outside of the tray 9. Start the laser emitting device 8 again and engrave the tempered glass.

[0055] Working principle: when the device is used and the sub-surface of the tempered glass is processed, the extension of the hydraulic telescopic rod 18 can push the upper shell 1 to expose the tray 9, and the tempered glass is placed on the upper end of the tray 9. The contraction of the hydraulic telescopic rod 18 can make the upper shell 1 wrap around the tray 9 and the tempered glass on the upper end of the tray 9. After wrapping, the laser emitting device 8 is started and the tempered glass is engraved. The fragments and splashes generated after engraving will be retained on the surface of the tray 9. The upper shell 1 extends vertically upward to expose the engraved tempered glass. After the tempered glass is taken out, the rotation of the first threaded rod 14 can generate relative movement with the inside of the transmission plate 13. After the transmission plate 13 is restricted by the lower shell 4, the rotational motion is converted into longitudinal linear motion. After the transmission plate 13 moves longitudinally, the first The rotation of the gear 11 can drive the second gear 12 to rotate, and the rotation of the second gear 12 can drive the tray 9 to rotate through the connecting frame 10. The flipping of the tray 9 can dump the debris. After the debris is dumped into the collection box 5, the tray 9 that previously contacted the tempered glass will contact the brush 19. The rotation of the second threaded rod 15 can produce relative movement with the inside of the sliding block 23. After being restricted by the lower shell 4, the brush 19 can move laterally along the tray 9. The brush 19 rotates after the motor outputs alone, rotates and cleans the contacted tray 9. The debris generated by the rotation of the brush 19 will collide with the second limiting ring 21. After the second limiting ring 21 and the first limiting ring 20 limit the debris, the debris will fall from the drop port 22, and the fallen material will be stored in the collection box 5.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0057] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A laser engraving device for sub-surface of a tempered glass product, comprising a lower housing (4), characterized in that: Connecting frames (10) are provided on both sides of the upper end of the exterior of the lower shell (4), trays (9) are welded to the upper and lower ends of the exterior of the two connecting frames (10), a second gear (12) is welded to one side of the exterior of the two connecting frames (10), a supporting ring (17) is welded around the interior of the lower shell (4) on one side facing the connecting frame (10), a brush (19) is transversely provided at the lower end of the supporting ring (17), a first limiting ring (20) is provided at the front end of the exterior of the brush (19), and a second limiting ring (21) is provided at the rear end of the outer wall of the brush (19).

2. The sub-surface laser engraving device for tempered glass products according to claim 1, characterized in that: A blanking opening (22) is provided at the lower end between the second limiting ring (21) and the first limiting ring (20); the outer wall of the first limiting ring (20) is in contact with the inner wall of the brush (19); a second threaded rod (15) is provided on the other side of the lower end of the support ring (17); the second limiting ring (21) and the first limiting ring (20) are fixed by welding at one end facing the outside of the second threaded rod (15) through a sliding block (23).

3. The sub-surface laser engraving device for tempered glass products according to claim 2, characterized in that: The sliding block (23) is located outside the second threaded rod (15) and is threadably matched with the external thread of the second threaded rod (15); one side of the sliding block (23) is rotatably connected to the other end of the brush (19).

4. The sub-surface laser engraving device for tempered glass products according to claim 1, characterized in that: A first gear (11) is arranged on one side of the outside of the second gear (12) in meshing connection, and a transmission plate (13) is rotatably arranged on the other end of the second gear (12), and a first threaded rod (14) with threaded connection is arranged through the inside of the transmission plate (13).

5. The sub-surface laser engraving device for tempered glass products according to claim 1, characterized in that: A pair of flow diversion frames (7) are provided at both front and rear ends and both sides between the upper end of the outer portion of the support ring (17) and the upper end of the lower shell (4); the four pairs of flow diversion frames (7) are sealedly connected via a transmission pipe (6); a fan (3) is provided at one end of the transmission pipe (6).

6. The sub-surface laser engraving device for tempered glass products according to claim 1, characterized in that: An upper shell (1) is provided at the upper end of the exterior of the lower shell (4), and hydraulic telescopic rods (18) are provided at both front and rear ends of the exterior of the upper shell (1).

7. The sub-surface laser engraving device for tempered glass products according to claim 1, characterized in that: A motor is disposed at one end of the brush (19), and a motor housing is slidably connected to one side of the lower end of the support ring (17).

8. The device for laser engraving a sub-surface of a tempered glass product according to claim 6, characterized in that: A filter screen (2) is provided on one side of the upper end of the upper shell (1), and filter screens (2) are provided at the middle positions of both sides of the upper shell (1).

9. A method for laser engraving a sub-surface of a tempered glass product, implemented based on the laser engraving device for sub-surface of a tempered glass product according to any one of claims 1 to 8, characterized in that: The steps include: Step 1: placing the tempered glass on the upper end of the tray (9), and the laser emitting device (8) emits laser to perform sub-surface laser engraving on the tempered glass; Step 2: After the tempered glass engraving is completed, the hydraulic telescopic rod (18) is extended to expose the upper end of the tray (9), and the first threaded rod (14) rotates to drive the tray (9) to adjust its longitudinal horizontal position; Step 3: The first gear (11) rotates to drive the second gear (12) to rotate, and the second gear (12) rotates through the connecting frame (10) to drive the tray (9) to rotate, and the tray (9) flips to dump the glass fragments on the surface; Step 4: The second threaded rod (15) rotates to generate relative motion with the inside of the sliding block (23), and the sliding block (23) drives the brush (19) to move horizontally after passing through the restriction of the lower shell (4), and the motor at one end of the brush (19) is started, so that the rotating brush (19) contacts the tray (9) in turn horizontally and cleans it; Step 5: The brush (19) rotates clockwise to drive the debris on the surface of the tray (9) to move toward the second limiting ring (21). After the debris is restricted by the first limiting ring (20), the debris gathers and falls from the drop opening (22). The debris falling from the drop opening (22) falls into the collection box (5). Step 6: After rotating the tray (9) and replacing the tray (9), the tempered glass is placed on the upper end of the tray (9), the hydraulic telescopic rod (18) is contracted and wrapped around the outside of the tray (9), and the laser emitting device (8) is started again to engrave the tempered glass.

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