Cambered-surface hexagonal workpiece machining die

Abstract

The utility model relates to the technical field of ceramic machining, and particularly discloses a cambered surface hexagonal workpiece machining die which comprises a base, a graphite jacket, a forming assembly and a plurality of graphite pressure heads, the graphite jacket is installed on the base, the forming assembly comprises a sheath and a separator, the sheath forms a forming space, the separator is arranged in the forming space, and the graphite pressure heads are arranged on the graphite jacket. The forming space is divided into a plurality of forming cavities, the forming cavities are used for loading blanks of the cambered-surface hexagonal workpieces, the graphite pressing heads correspond to the forming cavities in a one-to-one mode and are matched with the inner side walls of the forming cavities, and the end face shapes of the graphite pressing heads are consistent with the cambered-surface shapes of the cambered-surface hexagonal workpieces. The forming space is divided into a plurality of forming cavities through the separators, a plurality of cambered-surface hexagonal workpieces can be produced in one-time production, in addition, a plurality of graphite pressure heads in one-to-one correspondence with the forming cavities are arranged, the end face shapes of the graphite pressure heads are set to be consistent with the cambered-surface shapes of the cambered-surface hexagonal workpieces, and therefore hexagonal products with cambered surfaces are produced. The application field is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic processing, in particular to a processing mould for arc-surface hexagonal parts. Background Art

[0002] Hot-pressed boron carbide-based ceramic materials are widely used in the field of protective products due to their excellent properties such as high strength, low density and corrosion resistance. However, due to the relatively high hardness of boron carbide-based ceramic materials, it is difficult to process them using ordinary turning and other processing methods. They must be processed using grinders and diamond grinding tools. Therefore, it is difficult for boron carbide ceramic products with complex shapes or curvatures to be more widely used. At present, the production of hot-pressed boron carbide ceramic products with complex shapes, curved edges or openings requires processing by grinding, wire cutting, electric spark discharge machining and other methods. The existing sintering process can only produce large-sized flat square or flat circular products. The product has a single shape and low output, which leads to it not being widely used. Utility Model Content

[0003] The utility model aims to provide a processing die for arc-surface hexagonal parts, so as to solve the problem that existing products cannot be widely used due to their single shape and low output.

[0004] The utility model provides a processing die for an arc-surface hexagonal workpiece, comprising a base, a graphite jacket, a molding component and a plurality of graphite pressing heads, wherein the graphite jacket is mounted on the base, the molding component comprises a sheath and a separator, the sheath forms a molding space, the outer wall of the sheath cooperates with the inner wall of the graphite jacket, the separator is arranged in the molding space and divides the molding space into a plurality of molding cavities, the molding cavities are used to load blanks of the arc-surface hexagonal workpiece, the graphite pressing heads correspond to the plurality of molding cavities one by one, the graphite pressing heads cooperate with the inner wall of the molding cavities, and the end face shape of the graphite pressing heads is consistent with the arc shape of the arc-surface hexagonal workpiece.

[0005] As an optimal technical solution for the arc hexagonal parts processing mold, the sheath includes two oppositely arranged first graphite sheaths and two oppositely arranged second graphite sheaths. The two first graphite sheaths and the two second graphite sheaths are alternately arranged along the inner side wall of the graphite outer sleeve to form a molding space.

[0006] As an optimal technical solution for the arc hexagonal parts processing mold, the partition includes a plurality of partitions and a plurality of partition column groups. The plurality of partitions are evenly arranged between the two second graphite sheaths and parallel to the second graphite sheaths to form a plurality of sub-molding spaces. The plurality of partition column groups correspond one-to-one to the plurality of sub-molding spaces. Each partition column group includes a plurality of partition columns, which are evenly distributed along the partitions and divide the sub-molding spaces into a plurality of molding cavities.

[0007] As an optimal technical solution for the arc-surface hexagonal part processing mold, two spacer column forming surfaces are provided on both sides of the spacer column, the two spacer column forming surfaces are arranged at an angle and the included angle of the two spacer column forming surfaces is equal to the included angle of the corresponding arc-surface hexagonal part.

[0008] As an optimal technical solution for the mold for processing curved hexagonal parts, the first graphite sheath is provided with multiple sheath molding surfaces and multiple sheath mating surfaces, the multiple sheath molding surfaces and the multiple sheath mating surfaces are alternately arranged, the sheath mating surface is used to cooperate with the partition, the sheath molding surface is composed of two sub-planes set at an angle, and the angle is equal to the angle of the corresponding curved hexagonal part.

[0009] As an optimal technical solution for the arc surface hexagonal parts processing mold, a first graphite separation paper is arranged between the partition and the first graphite sheath, a second graphite separation paper is arranged between the partition column and the second graphite sheath, and a third graphite separation paper is arranged between the partition column and the partition.

[0010] As an optimal technical solution for the arc-surface hexagonal workpiece processing mold, it also includes multiple graphite pads, which are evenly distributed along the length direction of the molding cavity. The space between two adjacent graphite pads is used to load the blank, and the end face shape of the graphite pad is consistent with the arc shape of the arc-surface hexagonal workpiece.

[0011] As a preferred technical solution for the arc-surface hexagonal workpiece processing mold, a fourth graphite separation paper is provided between the graphite pad and the blank.

[0012] As a preferred technical solution for the processing mold of the curved hexagonal parts, the inner wall of the graphite jacket and the outer wall of the sheath are both set to a tapered structure with a small upper part and a large lower part.

[0013] The beneficial effects of the utility model are:

[0014] The utility model provides a processing die for a curved hexagonal workpiece, wherein a molding space is divided into a plurality of molding cavities by a partition, so that a plurality of curved hexagonal workpieces can be produced in one production. In addition, a plurality of graphite pressing heads corresponding to the molding cavities are arranged, and the end face shape of the graphite pressing head is arranged to be consistent with the curved surface shape of the curved hexagonal workpiece, thereby producing a hexagonal product with a curved surface, thereby broadening its application field. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the arc surface hexagonal workpiece processing mold in the embodiment of the utility model in the use state;

[0016] Figure 2 This is a schematic diagram of the arc surface hexagonal workpiece processing mold in the embodiment of the utility model after processing;

[0017] Figure 3This is a schematic diagram of the arrangement of the curved hexagonal parts and graphite pads in the mold in the embodiment of the utility model;

[0018] Figure 4 for Figure 3 A partial enlarged view of part A;

[0019] Figure 5 This is a schematic diagram of the structure of the molding assembly in an unloaded state in an embodiment of the utility model;

[0020] Figure 6 for Figure 5 A top view of

[0021] Figure 7 for Figure 6 A partial enlarged view of part B;

[0022] Figure 8 This is a schematic diagram of the structure of the separator in the embodiment of the utility model;

[0023] Fig. 9 for Figure 8 A top view of

[0024] Fig.10 This is a schematic diagram of the structure of the sheath in the embodiment of the utility model;

[0025] Fig.11 This is a schematic diagram of the structure of the partition column in the embodiment of the utility model;

[0026] Fig.12 It is a schematic structural diagram of a curved hexagonal component in an embodiment of the utility model.

[0027] In the figure:

[0028] 100, graphite indenter; 200, curved hexagonal part; 210, curved surface;

[0029] 10. Molding cavity;

[0030] 1. Base; 2. Graphite jacket; 3. First graphite sheath; 31. Sheath molding surface; 32. Sheath mating surface; 4. Second graphite sheath; 5. Partition plate; 6. Spacer column; 61. Spacer column molding surface; 7. Graphite pad; 81. First gap; 82. Second gap; 83. Third gap; 84. Fourth gap. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solution of the utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 communication 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 the specific circumstances.

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] like Figure 1-Figure 12As shown, the utility model provides a processing mold for a curved hexagonal workpiece, which is used to mold boron carbide ceramics. The mold includes a base 1, a graphite jacket 2, a molding assembly and a plurality of graphite indenters 100, the graphite jacket 2 is installed on the base 1, the molding assembly includes a sleeve and a separator, the sleeve forms a molding space, the outer wall of the sleeve cooperates with the inner wall of the graphite jacket 2, the separator is arranged in the molding space, and the molding space is divided into a plurality of molding cavities 10, the molding cavity 10 is used to load the blank of the curved hexagonal workpiece 200, the graphite indenter 100 corresponds to the plurality of molding cavities 10 one by one, the graphite indenter 100 cooperates with the inner wall of the molding cavity 10, and the end face shape of the graphite indenter 100 is consistent with the curved surface shape of the curved hexagonal workpiece 200. The molding space is divided into a plurality of molding cavities 10 by a partition, and a plurality of curved hexagonal parts 200 can be produced in one production. In addition, a plurality of graphite pressing heads 100 corresponding to the molding cavities 10 are provided, and the graphite pressing heads 100 cooperate with the molding cavities 10, and the end face shape of the graphite pressing heads 100 is set to be consistent with the curved surface shape of the curved hexagonal parts 200. During the processing, hexagonal products with curved surfaces are produced by unidirectional pressurization, thereby broadening the application field of boron carbide ceramic parts.

[0036] For further information, please refer to Fig.10 As shown, combined with Figure 1-Figure 6 The sheath includes two first graphite sheaths 3 and two second graphite sheaths 4 that are arranged opposite to each other. The two first graphite sheaths 3 and the two second graphite sheaths 4 are alternately arranged along the circumference of the inner side wall of the graphite outer sleeve 2 to form a molding space, wherein the side wall of the first graphite sheath 3 facing the molding space is provided with a sheath molding surface 31 and a sheath mating surface 32, and the side wall of the second graphite sheath 4 facing the molding space is provided as a plane. By setting the side walls of the first graphite sheath 3 and the second graphite sheath 4 facing the molding space to different shapes, when the separator divides the molding space into a plurality of molding cavities 10, the position where the separator contacts the first graphite sheath 3 or the second graphite sheath 4 can also form a molding cavity 10, thereby improving the space utilization inside the mold.

[0037] For further information, please refer to Figure 1-Figure 9 As shown, combined with Fig.11, the separator includes a plurality of partitions 5 and a plurality of partition column groups. The plurality of partitions 5 are arranged between the two second graphite sheaths 4, and are parallel to the second graphite sheaths 4, and form a plurality of sub-molding spaces. The plurality of partition column groups correspond to the plurality of sub-molding spaces one by one, and each partition column group includes a plurality of partition columns 6, and the plurality of partition columns 6 are evenly distributed along the partitions 5, and the sub-molding spaces are divided into a plurality of molding cavities 10. The partition columns 6 are provided with a long strip structure having a cross-sectional shape of an hourglass, and two partition column molding surfaces 61 are provided on both sides of the partition columns 6, and the two partition column molding surfaces 61 are arranged at an angle, and the angle between the two partition column molding surfaces 61 is equal to the angle between the corresponding curved hexagonal parts 200. The two partition column molding surfaces 61 also form an angle with the plane of the corresponding partition 5, and the angle between the two partition column molding surfaces 61 is equal to the angle between the corresponding curved hexagonal parts 200, so that a hexagonal molding cavity 10 can be enclosed by two adjacent partition columns 6 and two adjacent partitions 5.

[0038] Specifically, the forming cavity 10 near the first graphite sheath 3 or the second graphite sheath 4 is formed by the partition column 6, the partition plate 5, the first graphite sheath 3 or the second graphite sheath 4. Since the first graphite sheath 3 is provided with a plurality of sheath forming surfaces 31 and a sheath matching surface 32, the plurality of sheath forming surfaces 31 and the plurality of sheath matching surfaces 32 are alternately arranged, and the sheath matching surface 32 is used to match with the partition plate 5. The sheath forming surface 31 is composed of two sub-planes arranged at an angle, and the angle is equal to the angle of the corresponding arc-surface hexagonal product 200. Correspondingly, the sheath forming surface 31 on the first graphite sheath 3 also has an angle with the partition plate 5, and is also equal to the angle of the corresponding arc-surface hexagonal product 200. Similarly, the partition column forming surface 61 of the partition column 6 is arranged at an angle with the plane of the second graphite sheath 4, and the angle is equal to the angle of the corresponding arc-surface hexagonal product 200. Therefore, a molding cavity 10 with a shape that meets the requirements can be formed near the first graphite sheath 3 and the second graphite sheath 4, thereby improving the space utilization of the mold.

[0039] Specifically, the forming cavity 10 at the intersection of the first graphite sheath 3 and the second graphite sheath 4 is formed by the spacer 6, the partition 5, the first graphite sheath 3 and the second graphite sheath 4. The sheath forming surface 31 of the first graphite sheath 3 is set at an angle with the plane of the second graphite sheath 4, and the angle is equal to the angle of the corresponding arc-surface hexagonal product 200, so that the forming cavity 10 that meets the shape requirements can also be formed at the intersection of the first graphite sheath 3 and the second graphite sheath 4, further improving the space utilization of the mold.

[0040] Exemplarily, the cambered hexagonal product 200 in this embodiment is a regular hexagonal structure, and one of the faces is set as a cambered surface, and the other face is set as a plane. Correspondingly, the angle between the two sheath molding surfaces 31 of the first graphite sheath 3 is 120°, the angle between the sheath molding surface 31 and the plane of the second graphite sheath 4 is 120°, the angle between the sheath molding surface 31 and the plane of the partition 5 is 120°, the angle between the two column molding surfaces 61 of the column 6 is 120°, the angle between the column molding surface 61 and the plane of the partition 5 is 120°, and the angle between the column molding surface 61 and the plane of the second graphite sheath 4 is 120°. The end face of the graphite press head 100 facing the molding cavity 10 is set as a cambered surface and is consistent with the cambered surface shape of the cambered hexagonal product 200. By applying pressure to the graphite press head 100, a regular hexagonal product with one face as a cambered surface is finally obtained.

[0041] Furthermore, if Figure 3 As shown, a plurality of graphite pads 7 are arranged inside each molding cavity 10, and the graphite pads 7 are evenly distributed along the length direction of the molding cavity 10. The blank is loaded between two adjacent graphite pads 7, and the end face shape of the graphite pads 7 is consistent with the arc shape of the arc-surface hexagonal part 200. Specifically, the plane at the lower end of the graphite pad 7 is set as an arc surface and is consistent with the arc shape between the arc-surface hexagons, and the upper end face of the graphite pad 7 is set as a plane, so that multiple parts can be processed simultaneously in one molding cavity 10, greatly improving the output.

[0042] Optionally, to facilitate demoulding, Figure 4 and Figure 7 As shown, a first gap 81 is provided between the partition 5 and the first graphite sheath 3, and a first graphite separation paper is provided at the first gap 81. A second gap 82 is provided between the partition column 6 and the second graphite sheath 4, and a second graphite separation paper is provided at the second gap 82. A third gap 83 is provided between the partition column 6 and the partition 5, and a third graphite separation paper is provided at the third gap 83. A fourth graphite separation paper is provided between the graphite pad 7 and the blank. After the processing is completed, the molding assembly is disassembled, and since graphite separation paper is provided at the contact positions of adjacent parts, the product demoulding is faster and more convenient.

[0043] Optionally, the inner wall of the graphite jacket 2 and the outer wall of the jacket in this embodiment are both configured as a tapered structure that is smaller at the top and larger at the bottom, so as to facilitate assembly and disassembly of the graphite jacket 2 and the inner wall.

[0044] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. The mold for processing curved hexagonal parts is characterized by: include: Base (1); A graphite jacket (2), wherein the graphite jacket (2) is mounted on the base (1); A molding assembly, the molding assembly comprising a sheath and a separator, the sheath forming a molding space, the outer side wall of the sheath cooperating with the inner side wall of the graphite jacket (2), the separator being arranged in the molding space and dividing the molding space into a plurality of molding cavities (10), the molding cavities (10) being used to load blanks of curved hexagonal parts (200); A plurality of graphite pressing heads (100), the plurality of graphite pressing heads (100) corresponding one to one with the plurality of forming cavities (10), the graphite pressing heads (100) matching the inner side walls of the forming cavities (10), and the end face shape of the graphite pressing heads (100) being consistent with the arc surface shape of the arc surface hexagonal workpiece (200).

2. The arc-surface hexagonal workpiece processing mold according to claim 1, characterized in that: The sheath comprises two first graphite sheaths (3) arranged opposite to each other and two second graphite sheaths (4) arranged opposite to each other, wherein the two first graphite sheaths (3) and the two second graphite sheaths (4) are alternately arranged along the circumference of the inner side wall of the graphite outer sleeve (2) to form the molding space.

3. The arc-surface hexagonal workpiece processing mold according to claim 2, characterized in that: The separator comprises a plurality of partition plates (5) and a plurality of partition column groups. The plurality of partition plates (5) are evenly arranged between the two second graphite sheaths (4) and are parallel to the second graphite sheaths (4) to form a plurality of sub-molding spaces. The plurality of partition column groups correspond one-to-one to the plurality of sub-molding spaces. Each of the partition column groups comprises a plurality of partition columns (6). The partition columns (6) are evenly distributed along the partition plates (5) to divide the sub-molding spaces into a plurality of molding cavities (10).

4. The arc-surface hexagonal workpiece processing mold according to claim 3, characterized in that: Two column forming surfaces (61) are provided on both sides of the column (6); the two column forming surfaces (61) are arranged at an angle and the included angle of the two column forming surfaces (61) is equal to the included angle of the corresponding arc-surface hexagonal component (200).

5. The arc-surface hexagonal workpiece processing mold according to claim 3, characterized in that: The first graphite sheath (3) is provided with a plurality of sheath forming surfaces (31) and a plurality of sheath matching surfaces (32), the plurality of sheath forming surfaces (31) and the plurality of sheath matching surfaces (32) are arranged alternately, the sheath matching surface (32) is used to match with the partition (5), the sheath forming surface (31) is composed of two sub-planes arranged at an angle, and the angle is equal to the angle of the corresponding arc-surface hexagonal component (200).

6. The arc-surface hexagonal workpiece processing mold according to claim 5, characterized in that: A first graphite separation paper is arranged between the partition plate (5) and the first graphite jacket (3), a second graphite separation paper is arranged between the partition column (6) and the second graphite jacket (4), and a third graphite separation paper is arranged between the partition column (6) and the partition plate (5).

7. The arc-surface hexagonal workpiece processing mold according to claim 1, characterized in that: It also includes a plurality of graphite pads (7), wherein the plurality of graphite pads (7) are evenly distributed along the length direction of the molding cavity (10), and the blank is loaded between two adjacent graphite pads (7), and the end face shape of the graphite pad (7) is consistent with the arc shape of the arc-surface hexagonal workpiece (200).

8. The arc-surface hexagonal workpiece processing mold according to claim 7, characterized in that: A fourth graphite separation paper is arranged between the graphite pad (7) and the blank.

9. The arc-surface hexagonal workpiece processing mold according to any one of claims 1 to 8, characterized in that: The inner side wall of the graphite jacket (2) and the outer side wall of the protective sleeve are both arranged in a conical structure with a small top and a large bottom.

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