A split type cavity structure

Abstract

The utility model discloses a kind of split cavity structures, belong to forming die field, including fixedly arranged cavity fixed plate, cavity fixed plate is fixedly installed with cavity plate, the middle part of cavity plate is equipped with first side edge forming through-hole, the upper of cavity plate is lifted and is provided with movable cavity plate, the middle part of movable cavity plate is equipped with the second side edge forming through-hole matched with first side edge forming through-hole, the upper of movable cavity plate is lifted and is provided with upper die, the lower of cavity fixed plate is lifted and is provided with lower die, upper die and lower die can pass through corresponding side edge forming through-hole respectively, the utility model is lowered back to lowest point from cavity plate by lower die, movable cavity plate is pressed to the upper of cavity plate, then powder filling powder, upper die is pressed down, lower die is extruded upwards, after extrusion, movable cavity plate and upper die rise to highest position, product is separated from movable cavity plate, movable cavity plate and cavity plate are separated from each other and demould, product is taken away, structure is simple, and dry-pressed product of special-shaped powder can be generated.

Description

Technical Field

[0001] This utility model belongs to the field of molding molds, and more specifically, relates to a split cavity structure. Background Technology

[0002] Powder molding technology, as a special method for manufacturing parts, has advantages such as high utilization rate of raw material powder, less processing time per part, lower cost, ability to mass-produce complex-shaped parts, and reduction of subsequent processing. As a result, powder molding molds occupy an increasingly important position in the field of molding technology equipment.

[0003] Currently, the forming surfaces of powder dry pressing molds are all smooth, and the surfaces of the products produced are also flat. If the top, bottom, and sides of the product require concave or convex shapes, it cannot be made using ordinary molding molds. Utility Model Content

[0004] The main purpose of this utility model is to provide a split cavity structure that can be used to manufacture irregularly shaped products.

[0005] According to a first aspect of the present invention, a split cavity structure is provided, including a fixed cavity fixing plate, a cavity plate fixedly mounted on the cavity fixing plate, a first side forming through hole in the middle of the cavity plate, a movable cavity plate raised and lowered above the cavity plate, a second side forming through hole in the middle of the movable cavity plate cooperating with the first side forming through hole, an upper mold raised and lowered above the movable cavity plate, the upper mold passing through the second side forming through hole, and a lower mold raised and lowered below the cavity fixing plate, the lower mold passing through the first side forming through hole.

[0006] According to the split cavity structure described in the first aspect of this utility model, the upper mold includes an upper mold body and an upper template. An upper mold connector is fixedly installed on the top of the upper template, an upper mold base plate is fixedly installed on the bottom of the upper template, a transition plate is fixedly installed on the bottom of the upper mold base plate, and the top of the upper mold body is fixedly connected to the bottom of the transition plate.

[0007] According to the split cavity structure described in the first aspect of this utility model, a plurality of upper mold pressing blocks are fixedly installed on the edge of the upper mold base plate, and one end of the upper mold pressing block is engaged with the bottom of the transition plate.

[0008] According to the split cavity structure described in the first aspect of this utility model, the upper mold body is provided with an upper protrusion at one end away from the transition plate.

[0009] According to the split cavity structure described in the first aspect of this utility model, the lower mold includes a lower mold body and a lower mold circular plate. A lower mold fixing member is fixedly installed on the top of the lower mold circular plate, and the lower mold body is fixedly installed on the top of the lower mold fixing member.

[0010] According to the split cavity structure described in the first aspect of this utility model, lower mold pressing blocks are symmetrically arranged on the lower mold circular plate, and one end of the lower mold pressing block is engaged with the bottom of the lower mold fixing member.

[0011] According to the split cavity structure described in the first aspect of this utility model, a lower protrusion is provided at one end of the lower mold body away from the lower mold circular plate.

[0012] According to the split cavity structure described in the first aspect of this utility model, the cavity fixing plate is provided with a slot in the middle, the lower mold body can pass through the slot and be inserted into the second side forming through hole, the cavity fixing plate is provided with four fixed guide pillars and four movable guide pillars, one end of the movable guide pillar passes through the cavity fixing plate and is connected to the movable cavity plate.

[0013] According to the split cavity structure described in the first aspect of the present invention, the first side forming through hole is a rectangular through hole, and the top two sides of the first side forming through hole are symmetrically recessed to form a first L-shaped structure.

[0014] According to the split cavity structure described in the first aspect of the present invention, the second side forming through hole is a rectangular through hole, and the bottom two sides of the second side forming through hole are symmetrically recessed to form a second L-shaped structure.

[0015] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:

[0016] This invention involves the lower mold descending from the cavity plate back to its lowest point, the movable cavity plate pressing down onto the cavity plate, then powder being filled in, the upper mold pressing down, and the lower mold pressing upwards. After pressing, the movable cavity plate and the upper mold rise back to their original highest positions, and then the product detaches from the movable cavity plate. The movable cavity plate and the cavity plate separate and are demolded. At this point, the product can be removed using a specific tool. This invention has a simple structure and can produce dry-pressed products of irregularly shaped powders. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is an exploded structural diagram of the split cavity structure in the first embodiment of this utility model;

[0019] Figure 2This is a schematic diagram of the cavity plate in the first embodiment of the present invention;

[0020] Figure 3 This is a schematic diagram of the upper mold in the first embodiment of this utility model;

[0021] Figure 4 This is a schematic diagram of the lower mold in the first embodiment of this utility model;

[0022] Figure 5 This is a schematic diagram of the cavity fixing plate in the first embodiment of this utility model;

[0023] Figure 6 This is a partially enlarged schematic diagram of the first side forming through hole in the first embodiment of this utility model;

[0024] Figure 7 This is a partially enlarged schematic diagram of the second side forming through hole in the first embodiment of this utility model. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more features.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection or a connection that can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements, an indirect connection, or an interaction between two elements.

[0030] The following disclosure provides many different implementation methods or examples for different solutions to implement this utility model.

[0031] Reference Figures 1 to 7 As shown, a split cavity structure is provided, including a cavity fixing plate 1 fixedly installed, a cavity plate 2 fixedly installed on the cavity fixing plate 1, a first side forming through hole 21 opened in the middle of the cavity plate 2, a movable cavity plate 3 lifted and lowered above the cavity plate 2, a second side forming through hole 31 in the middle of the movable cavity plate 3 that cooperates with the first side forming through hole 21, an upper mold 4 lifted and lowered above the movable cavity plate 3, the upper mold 4 can pass through the second side forming through hole 31, and a lower mold 5 lifted and lowered below the cavity fixing plate 1, the lower mold 5 can pass through the first side forming through hole 21.

[0032] In this embodiment, the lower mold 5 descends from the cavity plate 2 back to its lowest point, the movable cavity plate 3 presses down onto the cavity plate 2, and then the powder is filled in. The upper mold 4 begins to press down, and the lower mold 5 then presses upward. After pressing, the movable cavity plate 3 and the upper mold 4 rise back to their original highest positions. Subsequently, the product is separated from the movable cavity plate 3, and the movable cavity plate 3 and the cavity plate 2 are separated vertically for demolding, avoiding damage to the side steps of the product. At this time, the product can be removed using a specific tool. This utility model has a simple structure and can generate dry-pressed products of irregularly shaped powders.

[0033] In some embodiments of this utility model, the upper mold 4 includes an upper mold body 41 and an upper template 42. An upper mold connector 43 is fixedly installed on the top of the upper template 42, and an upper mold base plate 44 is fixedly installed on the bottom of the upper template 42. A transition plate 46 is fixedly installed on the bottom of the upper mold base plate 44. The top of the upper mold body 41 is fixedly connected to the bottom of the transition plate 46. The upper mold connector 43 is connected to a device that can raise and lower it, such as a cylinder.

[0034] Furthermore, several upper mold pressing blocks 45 are fixedly installed on the edge of the upper mold base plate 44. One end of the upper mold pressing block 45 is engaged with the bottom of the transition plate 46, making the transition plate 46 more firmly fixed.

[0035] Furthermore, the upper mold body 41 is provided with an upper protrusion 411 at the end away from the transition plate 46 for extruding the upper surface of the product.

[0036] In some embodiments of this utility model, the lower mold 5 includes a lower mold body 51 and a lower mold circular plate 52. A lower mold fixing member 53 is fixedly installed on the top of the lower mold circular plate 52, and the lower mold body 51 is fixedly installed on the top of the lower mold fixing member 53. The lower mold circular plate 52 is connected to a device for raising and lowering it, and the size of the lower mold circular plate 52 cannot hinder the operation of the movable guide column 13.

[0037] Furthermore, lower mold pressing blocks 54 are symmetrically arranged on the lower mold circular plate 52. One end of the lower mold pressing block 54 is engaged with the bottom of the lower mold fixing member 53, so that the lower mold fixing member 53 is more firmly fixed.

[0038] Furthermore, the lower mold body 51 is provided with a lower protrusion 511 at one end away from the lower mold circular plate 52, which is used to extrude the lower surface of the product for forming.

[0039] In some embodiments of this utility model, the cavity fixing plate 1 is provided with a slot 11 in the middle, and the lower mold body 51 can pass through the slot 11 and be inserted into the second side forming through hole 31. The cavity fixing plate 1 is provided with four fixed guide pillars 12 and four movable guide pillars 13. One end of the movable guide pillar 13 passes through the cavity fixing plate 1 and is connected to the movable cavity plate 3. The four movable guide pillars 13 drive the movable cavity plate 3 to move up and down, which helps the product to be formed.

[0040] In some embodiments of this utility model, the first side forming through hole 21 is a rectangular through hole, and the top two sides of the first side forming through hole 21 are symmetrically recessed to form a first L-shaped structure 211. The first L-shaped structure 211 is used to squeeze the two sides of the product, so that part of the product bulges outward.

[0041] In some embodiments of this utility model, the second side forming through hole 31 is a rectangular through hole, and the bottom two sides of the second side forming through hole 31 are symmetrically recessed to form a second L-shaped structure 311. The second L-shaped structure 311 is used to squeeze the two sides of the product, so that part of the product protrudes outward, and cooperates with the first L-shaped structure 211 to form a side protruding structure.

[0042] The above is a further detailed description of this utility model and should not be considered as a limitation on the specific implementation of this utility model. For those skilled in the art, simple deductions or substitutions without departing from the concept of this utility model are all within the protection scope of this utility model.

Claims

1. A split-cavity structure, comprising a fixedly disposed cavity fixing plate (1), characterized in that, A cavity plate (2) is fixedly installed on the cavity fixing plate (1). A first side forming through hole (21) is provided in the middle of the cavity plate (2). A movable cavity plate (3) is raised and lowered above the cavity plate (2). A second side forming through hole (31) is provided in the middle of the movable cavity plate (3) to cooperate with the first side forming through hole (21). An upper mold (4) is raised and lowered above the movable cavity plate (3). The upper mold (4) can pass through the second side forming through hole (31). A lower mold (5) is raised and lowered below the cavity fixing plate (1). The lower mold (5) can pass through the first side forming through hole (21).

2. The split-cavity structure according to claim 1, characterized in that, The upper mold (4) includes an upper mold body (41) and an upper template (42). An upper mold connector (43) is fixedly installed on the top of the upper template (42), an upper mold base plate (44) is fixedly installed on the bottom of the upper template (42), and a transition plate (46) is fixedly installed on the bottom of the upper mold base plate (44). The top of the upper mold body (41) is fixedly connected to the bottom of the transition plate (46).

3. The split-cavity structure according to claim 2, characterized in that, Several upper mold pressing blocks (45) are fixedly installed on the edge of the upper mold base plate (44), and one end of the upper mold pressing block (45) is engaged with the bottom of the transition plate (46).

4. The split-cavity structure according to claim 2, characterized in that, The upper mold body (41) has an upper protrusion (411) at one end away from the transition plate (46).

5. The split-cavity structure according to claim 1, characterized in that, The lower mold (5) includes a lower mold body (51) and a lower mold circular plate (52). A lower mold fixing member (53) is fixedly installed on the top of the lower mold circular plate (52), and the lower mold body (51) is fixedly installed on the top of the lower mold fixing member (53).

6. The split-cavity structure according to claim 5, characterized in that, The lower mold circular plate (52) is symmetrically provided with lower mold pressing blocks (54), and one end of the lower mold pressing block (54) is engaged with the bottom of the lower mold fixing member (53).

7. The split-cavity structure according to claim 5, characterized in that, The lower mold body (51) has a lower protrusion (511) at one end away from the lower mold circular plate (52).

8. The split-cavity structure according to claim 5, characterized in that, The cavity fixing plate (1) has a slot (11) in the middle. The lower mold body (51) can pass through the slot (11) and be inserted into the second side forming through hole (31). The cavity fixing plate (1) is provided with four fixed guide pillars (12) and four movable guide pillars (13). One end of the movable guide pillar (13) passes through the cavity fixing plate (1) and is connected to the movable cavity plate (3).

9. The split-cavity structure according to claim 1, characterized in that, The first side-forming through hole (21) is a rectangular through hole, and the top two sides of the first side-forming through hole (21) are symmetrically recessed to form a first L-shaped structure (211).

10. The split-cavity structure according to claim 1, characterized in that, The second side forming through hole (31) is a rectangular through hole, and the bottom two sides of the second side forming through hole (31) are symmetrically recessed to form a second L-shaped structure (311).

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