Processing method of special refractory material

Abstract

The invention belongs to the technical field of refractory material machining, and relates to a special refractory material machining method. Comprising the following steps: arranging a first cushion block and a second cushion block at an interval, and placing a third cushion block on the upper surfaces of the first cushion block and the second cushion block; placing a refractory material above the third cushion block; a cutter is used for machining the third cushion block and the refractory material at the same time along the periphery of the refractory material till the refractory material reaches a preset shape; the method can avoid or relieve the phenomenon of sharp corner chipping in the refractory material machining process, the machining efficiency is improved, and the production cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical processing of refractory materials, and relates to a special refractory material processing method. Background Art

[0002] In the substrate glass industry, refractory materials are widely used in various industrial manufacturing processes, such as glass processing, ceramic firing, etc. Since refractory materials usually need to have high temperature tolerance, good mechanical strength and excellent corrosion resistance, high quality standards are often required when selecting raw materials. However, the surface of these refractory materials is usually composed of straight surfaces and curved surfaces, and there is no transition surface between the straight surfaces and the curved surfaces. Due to the inherent properties of the refractory materials, the material is hard and crisp, and it is very easy to break corners during processing. Once the corners are broken, the outer dimensions of the workpiece will be smaller than the theoretical dimensions, which cannot meet the assembly needs. Therefore, how to efficiently and accurately process these complex refractory materials has become a technical problem in the industry.

[0003] When processing refractory materials, especially when it comes to processing at the intersection of planes and curved surfaces, the phenomenon of sharp corners and chipping often occurs. This phenomenon usually occurs at the corners or transitions of the material, especially at the intersection of the plane and the curved surface. Due to the high hardness of the material and the irregular surface shape of the material, it is difficult for the processing tools to be accurately controlled here, which can easily lead to corner damage or cracking, seriously affecting the processing effect and the appearance quality of the product. Due to these chipping defects, not only the processing yield is reduced, but also the loss and cost in the production process are greatly increased. In addition, since the refractory material itself has a high material cost, once processing defects or losses occur, it will directly lead to an increase in production costs, and in severe cases may even lead to a decrease in overall production efficiency. Therefore, how to effectively solve the phenomenon of sharp corners and chipping in refractory processing, improve processing quality, and reduce losses has become an urgent need in the current industry.

[0004] In the existing processing technology, although there are some measures to improve the processing quality, such as using high-precision processing equipment, optimizing processing technology, and selecting appropriate cutting tools, due to the high hardness of refractory materials and their complex surface shape, the existing technology still cannot completely solve the problems of sharp corner chipping and low yield rate. Figure 1 and Figure 2 As shown, when processing the sharp corner A of the refractory material, it is easy to cause corner chipping in the sharp corner chipping area G. Therefore, a new technical method is urgently needed to avoid or reduce the sharp corner chipping phenomenon during the processing of refractory materials, improve processing efficiency, and reduce production costs. Summary of the invention

[0005] The purpose of the present invention is to solve the problems in the prior art and provide a special refractory material processing method, which not only ensures the quality and precision of the product, improves the processing efficiency and yield rate of the product, but also reduces the processing cost.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: The present invention provides a special refractory material processing method, comprising: The first pad and the second pad are spaced apart, and the third pad is placed on the upper surface of the first and second pads; a refractory material is placed above the third pad; and a tool is used to process the third pad and the refractory material simultaneously along the four sides of the refractory material until the refractory material reaches a predetermined shape.

[0007] Preferably, the diameter of the tool is 20-25 mm; the effective cutting edge of the tool is greater than 50 mm; the tool is a spherical diamond tool; the mesh size of the diamond particles in the spherical diamond tool is 120-240 meshes.

[0008] Preferably, the length of the first cushion block is smaller than the left width of the refractory material; the length of the second cushion block is smaller than the right width of the refractory material; the length of the second cushion block is greater than the length of the first cushion block.

[0009] Preferably, the width of the first cushion block is 30-50 mm; the width of the second cushion block is 30-50 mm.

[0010] Preferably, the thickness of the first cushion block and the second cushion block are both greater than the diameter of the tool.

[0011] Preferably, the length of the third cushion block is greater than the length of the refractory material; the left width of the third cushion block is greater than the left width of the refractory material; and the right width of the third cushion block is greater than the right width of the refractory material.

[0012] Preferably, the thickness of the third cushion block is greater than the diameter of the tool plus 5 mm.

[0013] Preferably, the center line of the third spacer block coincides with the center line of the refractory material.

[0014] Preferably, the flatness of the upper surface and the lower surface of the third cushion block are both less than 0.02 mm; the flatness of the lower surface of the refractory material is less than 0.02 mm.

[0015] Preferably, the tool is subjected to tool alignment when processing the curved surface of the refractory material, and after the tool alignment, the processing depth of the tool is increased upward by 0.1 mm, and the parameters are set within the CNC machine tool parameters.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses the first pad and the second pad for support and positioning; the third pad is used to improve the stability of the processing process and provide protection for the refractory material; the third pad is processed together with the refractory material during processing, which can reduce tool vibration and avoid material corner chipping; the refractory material is processed into a predetermined shape by the tool, thereby achieving efficient control of the shape of the refractory material; the present invention not only ensures the quality and precision of the product, but also improves the processing efficiency and yield rate of the product and reduces the processing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 A top view of the refractory material of the present invention; Figure 2 It is a left side view of the refractory material of the present invention; Figure 3 for Figure 2 A partial enlarged view of the middle A; Figure 4 It is a schematic diagram of the refractory material processing process of the present invention; Figure 5 A top view of the refractory material processing process of the present invention; Figure 6 is a top view of the third cushion block of the present invention; Figure 7 It is a left view of the third cushion block of the present invention.

[0019] Among them: 1. The first pad; 2. The second pad; 3. The third pad; 4. Refractory material; 5. Cutting tool; A. The sharp corner of refractory material; G. The chipped corner area at the sharp corner. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction 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. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "horizontal", "inner", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the invention is usually placed when in use, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In addition, if the term "horizontal" appears, it does not mean that the component must be absolutely horizontal, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", which does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings: The present invention provides a special refractory material processing method, such as Figure 4 and Figure 5 As shown, including: The first pad 1 and the second pad 2 are spaced apart, and the third pad 3 is placed tightly on the upper surfaces of the first pad 1 and the second pad 2; the refractory material 4 is placed tightly above the third pad 3; the tool 5 is used to process the third pad 3 and the refractory material 4 simultaneously along the four sides of the refractory material 4 until the refractory material 4 reaches a predetermined shape.

[0027] The present invention uses the first pad 1 and the second pad 2 to preliminarily separate and position the entire processing structure to ensure the stability and arrangement of other components during the processing; and the first pad 1 and the second pad 2 serve as support structures to prevent the refractory material 4 from being displaced or damaged during the processing, thereby maintaining the stability of the processing; the third pad 3 fits tightly on the upper surface of the first pad 1 and the second pad 2, and as a cushion layer, it can ensure that the refractory material 4 is stably and evenly stressed during processing. Since the refractory material 4 is usually relatively fragile, the third pad 3 and the refractory material 4 are processed simultaneously during the processing, which can avoid damage caused by vibration or uneven pressure during the processing.

[0028] The diameter of the tool 5 is 20-25 mm; the effective cutting edge of the tool 5 is greater than 50 mm; the tool 5 is a spherical diamond tool; the mesh number of the diamond particles in the spherical diamond tool is 120-240. The present invention controls the diameter of the tool 5 within 25 mm and the mesh number of the diamond particles within 120 meshes, so that the diameter of the tool 5 is reduced, the tool 5 has a certain toughness during the processing, and the diamond particles are processed smaller, which will reduce the impact of the tool 5 on the refractory material 4 and avoid the occurrence of corner collapse at the sharp corners; the effective cutting edge of the tool 5 is greater than 50 mm, which helps to improve the efficiency, stability and quality of the cutting process, reduce the risk in the processing and extend the service life of the tool 5.

[0029] The length of the first cushion block 1 is smaller than the left width of the refractory material 4, and the length of the second cushion block 2 is smaller than the right width of the refractory material 4, which helps to avoid excessive restraint force exerted by the cushion blocks on the refractory material 4 during processing.

[0030] The length of the second pad 2 is greater than that of the first pad 1, which can ensure that excessive local stress is not applied to the overall structure of the refractory material 4 during processing, and can effectively avoid material deformation or cracking caused by excessive contact or uneven force, which is especially important for the refractory material 4 with greater brittleness of the present invention.

[0031] The width of the first pad 1 is 30~50mm; the width of the second pad 2 is 30~50mm. By providing sufficient supporting area, it can effectively disperse the force, enhance stability, reduce stress concentration, extend service life, improve vibration resistance and processing accuracy, and ensure the safety and stability of the entire system during use.

[0032] The thickness of the first cushion block 1 and the second cushion block 2 are both greater than the diameter of the tool 5, which can effectively absorb and attenuate the vibration during the cutting process, reduce the impact of the vibration on the tool 5 and the refractory material 4, help reduce the wear of the tool 5, and extend the service life of the tool 5.

[0033] The shape of the third cushion block 3 is as follows Figure 6 and Figure 7 As shown, the length of the third pad 3 is greater than the length of the refractory material 4; the left width of the third pad 3 is greater than the left width of the refractory material 4; the right width of the third pad 3 is greater than the right width of the refractory material 4. The outer dimensions of the third pad 3 are greater than the outer dimensions of the refractory material 4, which can provide sufficient support, increase the strength of the refractory material 4 during processing, avoid vibration caused by the bottom of the refractory material 4 hanging in the air, and reduce the corner collapse of the refractory material 4 caused by vibration.

[0034] Since the tool 5 may vibrate during the processing, the thickness of the third pad 3 is greater than the diameter of the tool 5 plus 5m, which can effectively absorb and disperse these vibrations, reduce the vibration transmitted to the tool 5, thereby increasing the service life of the tool 5 and the processing stability, and avoiding processing errors caused by vibration.

[0035] The center line of the third cushion block 3 coincides with the center line of the refractory material 4, thus avoiding unbalanced force caused by uneven support and reducing the risk of deformation or damage of the refractory material 4 due to uneven force. Figure 2 The yellow shaded part in the middle) is used to completely fit the third cushion block 3 and the refractory material 4 together during processing, and the surplus parts of the third cushion block 3 and the refractory material 4 in the surrounding directions are processed together.

[0036] The flatness of the upper and lower surfaces of the third cushion block 3 is less than 0.02 mm; the flatness of the lower surface of the refractory material 4 is less than 0.02 mm; thus, the refractory material 4 and the third cushion block 3 can fit tightly together and provide sufficient support.

[0037] The tool 5 is subjected to tool setting when processing the curved surface of the refractory material 4. After the tool setting, the processing depth of the tool 5 is increased by 0.1 mm, and the parameters are set within the CNC machine tool parameters to eliminate the diameter of the tool 5 and the arc manufacturing error of the tool 5. At the same time, the refractory material 4 also has a clamping error. When processing the thickness of the refractory material 4, the thickness of the refractory material 4 can be processed into a positive difference to eliminate the clamping error and avoid excessive processing of the tool 5. Once excessive processing is performed, the sharp corners will be chipped.

[0038] The present invention reduces the impact of the tool 5 on the refractory material 4 by changing the structure of the tool 5; increases the strength of the refractory material 4 during the processing by adding three pads; reduces the manufacturing error and clamping error of the tool 5 by changing the processing parameters, avoids the over-processing of the tool 5, and reduces the chipping phenomenon in the chipping area G at the sharp corner; the present invention can improve the processing yield, reduce the processing cost and improve the processing efficiency.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A special refractory material processing method, characterized in that: include: The first cushion block (1) and the second cushion block (2) are arranged at intervals, and the third cushion block (3) is placed on the upper surfaces of the first cushion block (1) and the second cushion block (2); a refractory material (4) is placed above the third cushion block (3); and a tool (5) is used to process the third cushion block (3) and the refractory material (4) simultaneously along the four sides of the refractory material (4) until the refractory material (4) reaches a predetermined shape.

2. A special refractory material processing method according to claim 1, characterized in that: The diameter of the tool (5) is 20-25 mm; the effective cutting edge of the tool (5) is greater than 50 mm; the tool (5) is a spherical diamond tool; the mesh size of the diamond particles in the spherical diamond tool is 120-240 meshes.

3. A special refractory material processing method according to claim 1, characterized in that: The length of the first cushion block (1) is smaller than the left width of the refractory material (4); the length of the second cushion block (2) is smaller than the right width of the refractory material (4); and the length of the second cushion block (2) is greater than the length of the first cushion block (1).

4. A special refractory material processing method according to claim 1, characterized in that: The width of the first cushion block (1) is 30-50 mm; the width of the second cushion block (2) is 30-50 mm.

5. A special refractory material processing method according to claim 1, characterized in that: The thickness of the first cushion block (1) and the second cushion block (2) are both greater than the diameter of the cutter (5).

6. A special refractory material processing method according to claim 1, characterized in that: The length of the third cushion block (3) is greater than the length of the refractory material (4); the left side width of the third cushion block (3) is greater than the left side width of the refractory material (4); and the right side width of the third cushion block (3) is greater than the right side width of the refractory material (4).

7. A special refractory material processing method according to claim 1, characterized in that: The thickness of the third cushion block (3) is greater than the diameter of the tool (5) plus 5 mm.

8. A special refractory material processing method according to claim 1, characterized in that: The center line of the third cushion block (3) coincides with the center line of the refractory material (4).

9. A special refractory material processing method according to claim 1, characterized in that: The flatness of the upper surface and the lower surface of the third cushion block (3) are both less than 0.02 mm; the flatness of the lower surface of the refractory material (4) is less than 0.02 mm.

10. A special refractory material processing method according to claim 1, characterized in that: The tool (5) performs tool alignment when processing the curved surface of the refractory material (4). After the tool alignment, the processing depth of the tool (5) is increased by 0.1 mm, and the parameters are set within the CNC machine tool parameters.

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