Automatic edge grinding device for round cover glass

Abstract

The utility model relates to the field of glass grinding devices, and discloses an automatic round cover glass edge grinding device which comprises a disc, a fixing block, a sliding block, a positioning wheel, an eccentric wheel, a connecting rod, a rotating rod, an air cylinder, a connecting rod, a vacuum suction cup, a driving assembly, an edge grinding assembly and a vacuum pump. The connecting rods are arranged between the rotating rods, so that the adjacent rotating rods are driven to shake, and the sliding blocks are driven to move forwards together. At the moment, the positioning wheel can automatically coincide the circle center of the glass with the circle center of the disc, a vacuum pump is started to enable a vacuum chuck to generate suction force to suck the glass, a piston rod of an air cylinder shrinks to relieve positioning of the glass, and an edge grinding assembly and a driving assembly are started to grind the glass. The glass polishing device has the advantages and effects that glass with different radiuses can be automatically positioned, and the polishing precision is high and uniform.

Description

Technical Field

[0001] This utility model relates to the technical field of glass grinding devices, and in particular to an automatic edge grinding device for round-covered glass. Background Technology

[0002] When manufacturing household appliances such as washing machine doors, circular glass is often used. The process involves first cutting the glass into a round shape, then grinding the outer edges to prevent sharp edges from posing a safety hazard. Existing machines typically use a vacuum suction cup to hold the circular glass in place, with the edge of the glass in contact with the grinding head. The glass is then rotated to complete the grinding process. For example, Chinese utility model patent CN213730902U discloses a circular glass grinding machine that facilitates positioning. When grinding circular glass, a servo motor is activated, driving a screw to rotate forward (or reverse), which in turn controls a moving block mounted on the screw to move forward (or backward). This causes the grinding head mounted on the mounting rod on the moving block to move forward (or backward), facilitating the grinding of the circular glass. This eliminates the need for manual grinding, allowing for automated control of the machine, reducing labor intensity, resulting in smoother glass edges, and improving grinding efficiency.

[0003] Grinding the edges of round glass is more difficult than grinding the edges of square glass. It is necessary to ensure that the center of the round glass coincides with the center of the rotating disk when it is placed on the fixed device. However, the above-mentioned device requires manual positioning of the glass on the rotating disk during use. It is not easy to adjust the center of the glass to coincide with the rotation center of the fixed device, resulting in a large error and a slow positioning process. This leads to problems such as uneven grinding, low precision, poor grinding effect and low efficiency. Utility Model Content

[0004] The purpose of this invention is to provide an automatic edge grinding device for round-covered glass, which solves the above-mentioned technical problems, automatically positions the glass, and achieves high precision, uniformity, and high efficiency in grinding.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: an automatic edge grinding device for round-covered glass, including a processing table and an edge grinding assembly. A disc is fixedly mounted on the processing table, and three fixed blocks are evenly fixed along the circumference of the disc. A slider is slidably connected inside the fixed blocks, and a positioning wheel is rotatably connected to the inner end of the slider. An eccentric wheel is rotatably connected to the disc. A connecting rod is welded to one end of the outer circumference of the eccentric wheel near the slider, and a V-shaped rotating rod is fixed at the shaft hole. The connecting rod is fixedly connected to the slider. A cylinder is hinged to the disc, and the piston rod of the cylinder is hinged to the rotating rod. A connecting rod is hinged to the other end of the rotating rod, and the other end of the connecting rod is hinged to an adjacent rotating rod. A turntable concentric with the disc is rotatably mounted on the worktable. A vacuum suction cup is fixedly mounted on the turntable, and a driving assembly for driving the turntable to rotate is provided at the bottom.

[0006] By adopting the above technical solution, a circular glass is placed on a disc, the cylinder is activated, the cylinder piston rod extends and retracts, causing the V-shaped rotating rod to oscillate around the shaft hole of the eccentric wheel, thereby causing the eccentric wheel to oscillate back and forth. The eccentric wheel drives the connecting rod to move back and forth, thereby causing the slider to slide back and forth within the fixed block. Since there is a connecting rod between the rotating rods, the adjacent rotating rods are oscillated, causing all the sliders to move forward or backward together. When the slider moves forward, the positioning wheel can adjust the position of the glass so that the center of the glass coincides with the center of the disc, completing the self-positioning of the glass. After positioning, a vacuum suction force is applied to the vacuum suction cup to hold the circular glass. At this time, the cylinder piston rod retracts, releasing the positioning of the glass edge. The drive assembly is activated to drive the turntable to rotate, thereby causing the glass to rotate. Then the edge grinding assembly is opened to grind the glass edge. It has the advantages of automatically positioning glass of different radii, high grinding accuracy and uniformity, and high efficiency.

[0007] The present invention is further configured such that: the edge grinding assembly includes a bidirectional motor, a groove is provided on the disc, a bidirectional lead screw is rotatably connected in the groove, the bidirectional motor is used to drive the bidirectional lead screw to rotate, a support frame is threadedly connected to the bidirectional lead screw, the support frame is slidably connected to the groove and the edge grinding motor is provided on the upper part, and an edge grinding roller is fixedly provided at the output end of the edge grinding motor.

[0008] By adopting the above technical solution, when edge grinding is required, the bidirectional motor is started to drive the bidirectional lead screw to rotate, thereby driving the moving block to move closer to the center of the disc along the slide groove until the edge grinding wheel abuts against the outer edge of the glass. Then, the drive assembly is started to drive the glass to rotate and the edge grinding motor drives the edge grinding wheel to rotate at high speed for grinding.

[0009] A further feature of this invention is that the drive assembly includes a rotary motor, a gear one is fixedly mounted at the output end of the rotary motor, and a gear two is fixedly mounted at the bottom of the turntable, with gear one meshing with gear two.

[0010] By adopting the above technical solution, after the rotary motor is started, gear one drives gear two to rotate, which in turn drives the turntable and the adsorbed glass to rotate synchronously, realizing precise and efficient edge grinding operations and improving the quality and efficiency of glass processing.

[0011] A further feature of this invention is that: multiple vacuum suction cups are arranged along the circumference of the turntable; a vacuum pump is provided on the worktable; the turntable is under vacuum and connected to the vacuum suction cups; an air inlet pipe is connected to the bottom of the turntable; and the vacuum pump and the air inlet pipe are rotatably and sealingly connected by a sealing ring.

[0012] By adopting the above technical solution, after the vacuum pump is started, multiple vacuum suction cups generate suction at the same time, ensuring that the glass is firmly adsorbed and avoiding displacement caused by insufficient suction at a single point. This further improves the edge grinding accuracy and stability. The sealing ring ensures that there is no air leakage during the rotation of the turntable and maintains a stable vacuum suction.

[0013] A further feature of this invention is that it also includes a microcomputer, and the vacuum pump and cylinder are connected to the microcomputer.

[0014] By adopting the above technical solution, the microcomputer can precisely control the extension and retraction of the cylinder and the presence or absence of the vacuum suction cup according to the preset program, realize automated operation, improve work efficiency, ensure accurate glass positioning, uniform grinding, and improve the edge grinding quality of the glass.

[0015] A further feature of this invention is that the rotation angle of the rotating rod is 15 to 20°.

[0016] A further feature of this invention is that the V-shaped rotating rod includes two fixed rods, which are welded together and the included angle formed at the connection point is 120°.

[0017] A further feature of this invention is that the cylinder barrel is hinged to the disc via a hinge seat.

[0018] By adopting the above technical solution, the cylinder body and the disc are hinged, allowing the cylinder to swing flexibly on the disc without jamming.

[0019] The beneficial effects of this utility model are as follows: This application is equipped with a cylinder, a rotating rod, an eccentric wheel, a connecting rod, a slider, a fixed block, and a connecting rod. By extending and retracting the piston rod of the cylinder, the V-shaped rotating rod is driven to oscillate around the shaft hole of the eccentric wheel, thereby driving the eccentric wheel to oscillate back and forth. The eccentric wheel drives the connecting rod to move forward and backward, thereby driving the slider to slide back and forth within the fixed block. Since there is a connecting rod between the rotating rods, the adjacent rotating rods are driven to oscillate, so that the three sliders move forward or backward together. When the slider moves forward, the positioning wheel can automatically adjust the position of the glass so that the center of the glass coincides with the center of the disc, completing the self-positioning of the glass. After positioning, a vacuum suction force is applied to the vacuum suction cup to hold the circular glass. At this time, the piston rod of the cylinder retracts to release the positioning of the glass edge, and the drive assembly is started to drive the turntable to rotate, thereby driving the glass to rotate. Then the edge grinding assembly is opened to grind the glass edge. It has the advantages of automatically positioning glass of different radii, high grinding accuracy and uniformity, and high efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0022] Figure 2 This is a schematic diagram of the overall structure of this utility model from another angle.

[0023] Figure 3 This is a utility model Figure 1 Enlarged view of part AA in the middle.

[0024] In the diagram, 1. Processing table; 2. Grinding assembly; 21. Bidirectional motor; 22. Slide groove; 23. Bidirectional lead screw; 24. Support frame; 25. Grinding motor; 26. Grinding roller; 3. Disc; 4. Fixed block; 5. Slider; 6. Positioning wheel; 7. Eccentric wheel; 8. Connecting rod; 9. Rotating rod; 10. Cylinder; 11. Connecting rod; 12. Turntable; 13. Vacuum suction cup; 14. Drive assembly; 141. Rotary motor; 142. Gear 1; 143. Gear 2; 15. Vacuum pump; 16. Air inlet pipe; 17. Sealing ring; 18. Microcomputer; 19. Hinge seat. Detailed Implementation

[0025] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] An example is an automatic edge-grinding device for round-covered glass, such as... Figures 1-3As shown, the system includes a processing table 1, on which a disc 3 is fixedly mounted. Three fixed blocks 4 are evenly fixed along the circumference of the disc 3. A slider 5 is slidably connected inside the fixed blocks 4. A positioning wheel 6 is rotatably connected to the inner end of the slider 5. An eccentric wheel 7 is rotatably connected to the disc 3. A connecting rod 8 is welded to one end of the outer circumference of the eccentric wheel 7 near the slider 5, and a V-shaped rotating rod 9 is fixed at the shaft hole. The connecting rod 8 is fixedly connected to the slider 5. A cylinder 10 is hinged to the disc 3. The piston rod of the cylinder 10 is hinged to the rotating rod 9. A connecting rod 11 is hinged to the other end of the rotating rod 9. The other end of the connecting rod 11 is hinged to the adjacent rotating rod 9. A turntable 12 concentric with the disc 3 is rotatably mounted on the worktable. A vacuum suction cup 13 is fixedly mounted on the turntable 12. A drive assembly 14 for driving the turntable 12 to rotate is located at the bottom. The drive assembly 14 includes a rotary motor 141. A toothed part is fixed to the output end of the rotary motor 141. The turntable 12 has a gear 142 and a gear 143 fixedly mounted on its periphery. Gear 142 meshes with gear 143. The turntable 12 also includes a grinding assembly 2 mounted on the disc 3. The grinding assembly 2 includes a bidirectional motor 21. The disc 3 has a slide groove 22. A bidirectional lead screw 23 is rotatably connected in the slide groove 22. The bidirectional motor 21 is used to rotate the bidirectional lead screw 23. A support frame 24 is threadedly connected to the bidirectional lead screw 23. The support frame 24 is slidably connected in the slide groove 22 and has a grinding motor 25 above it. A grinding roller 26 is fixedly mounted at the output end of the grinding motor 25. Three vacuum suction cups 13 are evenly arranged around the circumference of the turntable 12. A vacuum pump 15 is located below the worktable. The turntable 12 is under vacuum and is connected to the vacuum suction cups 13. An air inlet pipe 16 is connected to the bottom of the turntable 12. The vacuum pump 15 and the air inlet pipe 16 are rotatably sealed by a sealing ring 17.

[0027] Its working principle is as follows: First, a circular glass is placed on the disc 3. Then, the cylinder 10 is activated, causing the piston rod of the cylinder 10 to extend, which drives the V-shaped rotating rod 9 to oscillate around the shaft hole of the eccentric wheel 7. This causes the eccentric wheel 7 to oscillate back and forth. The eccentric wheel 7 drives the connecting rod 8 to move forward, thereby causing the slider 5 to slide towards the center of the disc 3 within the fixed block 4. Since there is a connecting rod 11 between the rotating rods 9, the adjacent rotating rods 9 are driven to oscillate, causing all the sliders 5 to move forward together. When the slider moves forward, the positioning wheel 6 can automatically adjust the position of the glass so that the center of the glass coincides with the center of the disc 3, completing the self-positioning of the glass. After positioning is completed, the vacuum pump 15 is activated, and the vacuum pump 15 introduces air through the intake. The tube 16 creates a vacuum inside the turntable 12 and the vacuum suction cup 13, firmly holding the circular glass. At this time, the piston rod of the cylinder 10 retracts, releasing the positioning of the glass edge. The bidirectional motor 21 is started, driving the bidirectional lead screw 23 to rotate, thereby moving the moving block along the slide groove 22 until the grinding wheel abuts against the outer edge of the glass. Then, the grinding motor 25 is started, driving the grinding wheel to rotate at high speed for grinding. Finally, the rotary motor 141 is started, and gear 142 drives gear 143 to rotate, thereby driving the turntable 12 and the adsorbed glass to rotate synchronously, grinding the outer circumference of the glass. It has the advantages of automatically positioning glass of different radii, high grinding accuracy and uniformity, and high efficiency.

[0028] Specifically, it also includes a microcomputer 18, a vacuum pump 15, and a cylinder 10 connected to the microcomputer 18 to achieve automated operation and improve the efficiency of glass edging work.

[0029] Specifically, the rotation angle of the rotating rod 9 is 15 to 20°.

[0030] Specifically, the V-shaped rotating rod 9 includes two fixed rods, which are welded together and the included angle formed at the connection is 120°.

[0031] Specifically, the cylinder barrel of cylinder 10 is hinged to disk 3 via hinge seat 19, thereby achieving the hinge connection between cylinder 10 and disk 3.

Claims

1. A round cover glass automatic edge grinding device, characterized in that: The utility model provides a kind of processing platform, including processing platform (1), edge grinding assembly (2), the disc (3) is fixed on the processing platform (1), three fixed blocks (4) are uniformly fixed on the disc (3) circumference, the fixed block (4) is slidably connected with slider (5), the slider (5) inner end is rotatably connected with positioning wheel (6), the disc (3) is rotatably connected with eccentric wheel (7), the eccentric wheel (7) outer circumference is welded with connecting rod (8) and is fixed with V-shaped rotating rod (9) in axle hole, the connecting rod (8) is fixedly connected slider (5), the disc (3) is hinged with air cylinder (10), the air cylinder (10) piston rod is hinged rotating rod (9), the rotating rod (9) other end is hinged with connecting rod (11), the connecting rod (11) other end is hinged with adjacent rotating rod (9), the processing platform is rotatably provided with the disc (3) concentric rotating disc (12), the rotating disc (12) is fixed with vacuum chuck (13), bottom is equipped with the drive assembly (14) of driving rotating disc (12) rotation.

2. The automatic edge grinding device for round cover glass according to claim 1, characterized in that: The edge grinding assembly (2) includes a bidirectional motor (21), the disc (3) is provided with a sliding groove (22), the sliding groove (22) is rotatably connected with a bidirectional screw rod (23), the bidirectional motor (21) is used to drive the bidirectional screw rod (23) to rotate, the bidirectional screw rod (23) is threadedly connected with a support frame (24), the support frame (24) is slidably connected with the sliding groove (22) and is provided with an edge grinding motor (25) on the upper portion, and the edge grinding motor (25) is fixedly connected with an edge grinding roller (26) at the output end.

3. The automatic edge grinding device for round cover glass according to claim 1, characterized in that: The drive assembly (14) includes a rotary motor (141), the rotary motor (141) is fixedly connected with a gear one (142) at the output end, the rotating disc (12) is fixedly connected with a gear two (143) on the periphery, and the gear one (142) is engaged with the gear two (143).

4. The automatic edge grinding device for round cover glass according to claim 3, characterized in that: The vacuum chuck (13) is arranged along the circumference of the rotating disc (12) and is provided with a plurality of vacuum chucks, the processing platform is provided with a vacuum pump (15), the rotating disc (12) is in a vacuum state and is in communication with the vacuum chucks (13), the rotating disc (12) is in communication with an air inlet pipe (16) at the bottom, and the vacuum pump (15) and the air inlet pipe (16) are rotatably and sealingly connected through a sealing ring (17).

5. The automatic edge grinding device for round cover glass according to claim 4, characterized in that: Further comprising a microcomputer (18), the vacuum pump (15), the air cylinder (10) and the microcomputer (18) are connected.

6. The automatic edge grinding device for round cover glass according to claim 1, characterized in that: The rotating angle of the rotating rod (9) is 15-20°.

7. The automatic edge grinding device for round cover glass according to claim 1, characterized in that: The V-shaped rotating rod (9) includes two fixed rods, and the included angle formed by the welding between the fixed rods is 120°.

8. The automatic edge grinding device for round cover glass according to claim 1, characterized in that: The cylinder barrel of the air cylinder (10) is hinged on the disc (3) through a hinge base (19).

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