Glass cutting knife flywheel and glass cutting machine

Abstract

The utility model belongs to the technical field of glass manufacturing, and particularly discloses a glass cutting knife flywheel and a glass cutting machine. The glass cutting knife flywheel comprises a knife flywheel body which is a rotating body for cutting glass; the shaft hole is located in the axial direction of the cutter wheel body and used for connecting a rotary driving structure; the cutting edge is positioned in the radial position in the middle of the cutter wheel body and is used for cutting glass by rotating the cutter wheel body; the cutter wheel edges are symmetrically and gradually inclined from the cutting edges to the two axial ends of the cutter wheel body in the circumferential direction of the cutter wheel body, and the angle alpha is 120 degrees; the glass cutting machine comprises the glass cutting knife wheel and comprises a cutting wheel frame used for installing the glass cutting knife wheel, and supporting wheels are further installed on the cutting wheel frame and distributed on the periphery of the glass cutting knife wheel. By means of the glass cutting knife wheel and the glass cutting machine, the edges of glass in the longitudinal cutting direction are smooth, flat and free of protrusions, and the requirements of downstream customers for quality are met.

Description

Technical Field

[0001] The utility model relates to the technical field of glass manufacturing, in particular to a glass cutting wheel and a glass cutting machine. Background Art

[0002] Electronic glass generally refers to ultra-thin float glass with a thickness of 0.1 to 2 mm. It is a high-tech product used in the electronics, microelectronics, and optoelectronics fields. It is primarily used in the production of integrated circuits and components with optoelectronic, thermal, acousto-optic, and magneto-optic functions. In the glass processing industry, cutting quality directly impacts the quality and aesthetics of the product. The angle of the cutter wheel is a key factor influencing cutting quality. In the production of 0.33 mm thick electronic glass sheets, based on years of experience, a 110° cutter wheel is typically used for longitudinal cuts, while a 105° cutter wheel is typically used for crosscuts, resulting in optimal cutting results.

[0003] However, during the production of 0.33mm thick glass, a large number of wavy edges appear in the longitudinal cutting direction, which appear as bright spots when illuminated by a flashlight. This seriously affects the quality of the glass edge and is very likely to cause glass breakage and customer complaints. Utility Model Content

[0004] In view of the above problems and / or the problems existing in an existing glass cutting wheel and a glass cutting machine, it is proposed to make the cutting edge of the glass smooth and flat.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A glass cutting wheel, comprising:

[0007] The cutter wheel body is a rotating body for cutting glass;

[0008] The shaft hole is located in the axial direction of the cutter wheel body and is used to connect the rotary drive structure;

[0009] The blade is located in the middle radial position of the cutter wheel body and is used to cut the glass by rotating the cutter wheel body;

[0010] The cutter wheel edge is located on the circumference of the cutter wheel body and gradually tilts symmetrically from the cutting edge to the axial ends of the cutter wheel body.

[0011] Furthermore, the included angle between two adjacent symmetrical cutter wheel edges is α, which is 105°-120°, and the cutter wheel body is rotated at the angle α to cut the glass.

[0012] Furthermore, the angle α is 120°.

[0013] A glass cutting machine, comprising the glass cutting wheel described above, comprising:

[0014] Furthermore, the cutting wheel frame is used to install the glass cutting wheel. The cutting wheel frame is also equipped with supporting wheels. There are 4 supporting wheels distributed around the glass cutting wheel. The cutting bracket is used to install the cutting assembly and the cylinder.

[0015] Furthermore, the cutting assembly includes a drive motor, which is connected to the glass cutting wheel through a transmission device, thereby driving the glass cutting wheel and the driving blade to cut the glass.

[0016] Furthermore, the cylinder drives the glass cutting wheel to move up and down.

[0017] Compared with existing technologies:

[0018] By using the glass cutting wheel and the glass cutting machine of the utility model, the edges of the glass in the longitudinal cutting direction are smooth, flat and free of protrusions, thus meeting the quality requirements of downstream customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of the glass cutting wheel of the utility model;

[0020] Figure 2 This is a structural diagram of the glass cutting machine of the utility model;

[0021] Figure 3 This is a schematic diagram of the glass cutting wheel of the utility model in use for cutting glass;

[0022] Figure 4 This is a force analysis diagram of the cutting wheel cutting glass at different angles of the utility model. DETAILED DESCRIPTION

[0023] Below, a glass cutting wheel and a glass cutting machine according to the present invention are described in detail with reference to the accompanying drawings. In order to make the purpose, 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 in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments.

[0024] Therefore, the following detailed description of the embodiments of the present disclosure provided in conjunction with the accompanying drawings is not intended to limit the scope of the present disclosure as claimed, but merely represents selected embodiments of the present disclosure. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present disclosure without creative effort are within the scope of protection of the present disclosure.

[0025] Unless otherwise defined in the context, the singular includes the plural; throughout the specification, the terms "including", "having", etc. are used herein to specify the existence of the stated features, numbers, steps, operations, elements, parts or their combinations, but do not preclude the existence or addition of one or more other features, numbers, steps, operations, elements, parts or their combinations.

[0026] In addition, even though terms including ordinal numbers such as "first," "second," etc. may be used to describe various components, these components are not limited by these terms, and these terms are only used to distinguish one element from other elements. For example, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component without departing from the scope of the present disclosure.

[0027] In the description of the present invention, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the disclosed product is conventionally placed when in use, or are directions or positional relationships conventionally understood by those skilled in the art. These directions or positional relationships are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present disclosure.

[0028] refer to Figure 1 、 Figure 2 、 Figure 3 As shown, the utility model discloses a glass cutting wheel 10. According to one embodiment, the whole is a symmetrical rotating structure that gradually narrows from the middle to both ends, and its structure includes: a wheel body 11, which is a rotating body for cutting glass; it is made of high-strength and high-hardness materials, such as diamond, cemented carbide, etc.; an axial hole 12, located in the axial direction of the wheel body 11, for connecting to a rotating drive structure, that is, cooperating with the mounting shaft of the glass cutting machine to achieve precise positioning and fixation; a blade 20, located in the middle radial position of the wheel body 11, which is used to cut glass by rotating the wheel body 11, and is made of high-strength and high-hardness materials, such as diamond, cemented carbide, etc. These materials can ensure that the wheel remains sharp and wear-resistant during the cutting process. The blade 20 is its most critical part, which is responsible for scratching fine marks on the glass surface. It is usually precisely processed to form a sharp cutting edge to ensure cutting accuracy and efficiency.

[0029] The cutter wheel edge 13 is located on the circumference of the cutter wheel body 11 and is symmetrically and gradually inclined from the blade 20 to the axial ends of the cutter wheel body 11. The angle α between two adjacent symmetrical cutter wheel edges 11 is 105°-120°. The cutter wheel body 10 is rotated at the angle α to cut the glass. The angle α range is suitable for ultra-thin float glass with a thickness of 0.1 to 2 mm, and an angle α above 120° is suitable for glass with a thickness of more than 2 mm.

[0030] In the process of producing 0.33mm thick glass, batches of wavy edges appeared in the longitudinal cutting direction. When illuminated by a flashlight, they appeared as bright spots, seriously affecting the quality of the glass edge and easily causing glass breakage and complaints. To solve this problem, the first thing that comes to mind is to replace the cutter wheel. First, a small-angle cutter wheel was tried. 105° and 110° cutter wheels were tested respectively. Tracking experiments were conducted by continuously adjusting the cutting bridge pressure. The edge problem was not solved. Later, a 115° cutter wheel was replaced for experiment. There was a slight improvement. The large-angle 120° cutter wheel was continuously used for testing. The edge of the glass was immediately improved. The number of bright spots at each angle is as shown in the following table.

[0031]

[0032] Therefore: After a period of production tests, by comparing the 105°, 110°, 115° and 120° cutter wheels respectively, it was concluded that the 120° cutter wheel has the least number of bright spots and can best meet production requirements. In the production of 0.33mm electronic glass, a 120° cutter wheel is used in the longitudinal cutting direction to improve the problem of wavy edges on the glass edge, and an α angle of more than 120° is suitable for use on glass thicker than 2mm.

[0033] Cause analysis, reference Figure 3 、 4 As shown, it can be clearly understood that the component force F1 of the cutting pressure is the force that cuts the edge of the glass. The larger the angle, the smaller this component force is, the shallower the depth of the cut glass is, and the less damage to the side cracks on the edge of the glass is.

[0034] To this end, we examined glass sections under a microscope before and after replacing the cutter wheel. The cut sections after the replacement were significantly smoother and more uniform, with minimal damage to the glass edges. In contrast, the cut sections before the replacement exhibited deep cracks, which could easily cause the glass to break. This is consistent with the results from production experiments. Of course, this also depends on the hardness, stress, and composition of the glass itself, and further testing is needed to confirm the specific conclusions.

[0035] This solution improves the wavy edge effect of the glass by replacing the 120° cutter wheel, thereby improving production quality and providing data support for the production of 0.33mm. At this stage, the 0.33mm glass produced by China Aluminum uses a 120° longitudinal cutting knife wheel angle. The production is stable and no complaints have been received from customers regarding the length direction of the glass.

[0036] Based on the production situation over the past four months, the 120° cutter wheel for producing 0.33mm glass can fully meet the production requirements. Multiple on-site tests have shown that the edges of the glass in the longitudinal cutting direction are smooth and flat without protrusions, meeting the quality requirements of downstream customers.

[0037] The utility model also discloses a glass cutting machine, which, according to one embodiment, includes the glass cutting wheel 10 described above, a cutting wheel frame 30 for mounting the glass cutting wheel 10, and a supporting wheel 31 mounted on the cutting wheel frame 30. The supporting wheels 31 are four in number and are evenly distributed around the glass cutting wheel 10, similar to the front and rear wheels of a car; a cutting bracket 40 for mounting a cutting assembly 50 and a cylinder 60.

[0038] The cutting assembly 50 includes a drive motor (not shown in the figure), which is connected to the glass cutting wheel 10 through a transmission device (not shown in the figure), thereby driving the glass cutting wheel 10 and the driving blade 20 to cut the glass.

[0039] The cylinder 60 drives the glass cutting wheel 10 to move up and down.

[0040] The glass cutting wheel 10 is mounted on the cutting wheel frame 30, and the cutting wheel frame 30 is connected to a drive motor (not shown in the figure) through a transmission device (not shown in the figure) of the cutting assembly 50. The drive motor serves as a power source and transmits rotational power to the cutting wheel frame 30 through the transmission device, thereby driving the glass cutting wheel 10 to perform rotational cutting.

[0041] The rotational power is output through the motor shaft of the drive motor, and the motor shaft is connected to the input shaft of the cutting wheel frame 30 through a transmission device such as a coupling and a reducer. The transmission device is used to adjust the speed and torque to meet the cutting requirements. The control system of the cutting assembly 50 is responsible for sending instructions to the drive motor, controlling the start, stop, speed and direction of the motor to ensure cutting quality and efficiency.

Claims

1. A glass cutting wheel, characterized in that include: The cutter wheel body is a rotating body for cutting glass; The shaft hole is located in the axial direction of the cutter wheel body and is used to connect the rotary drive structure; The blade is located in the middle radial position of the cutter wheel body and is used to cut the glass by rotating the cutter wheel body; The cutter wheel edge is located on the circumference of the cutter wheel body and gradually tilts symmetrically from the cutting edge to the axial ends of the cutter wheel body.

2. A glass cutting wheel according to claim 1, characterized in that: The included angle between two adjacent symmetrical cutter wheel edges is α, which is 105°-120°. The cutter wheel body is rotated at the angle α to cut the glass.

3. The glass cutting wheel according to claim 2, characterized in that: The angle α is 120°.

4. A glass cutting machine comprising the glass cutting wheel according to any one of claims 1 to 3, characterized in that include, The cutting wheel frame is used to install the glass cutting wheel. The cutting wheel frame is also equipped with four supporting wheels, which are distributed around the glass cutting wheel. Cutting bracket, used to install cutting assembly and cylinder.

5. A glass cutting machine according to claim 4, characterized in that: The cutting process includes a driving motor, which is connected to the glass cutting wheel through a transmission device, thereby driving the glass cutting wheel and the driving blade to cut the glass.

6. A glass cutting machine according to claim 5, characterized in that: The cylinder drives the glass cutting wheel to move up and down.

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