Forging blank die

Abstract

The utility model discloses a forging blank die which comprises an upper blank pressing die and a blank pressing material, the upper blank pressing die is located above the blank pressing material, the upper blank pressing die and the blank pressing material are coaxially arranged, a connecting step is arranged on the outer wall of the upper blank pressing die, a connecting portion is arranged on the connecting step, a forging groove is formed in the inner bottom of the upper blank pressing die, and the forging groove is in an inverted bowl shape. And a positioning raised head is arranged at the upper end of the pressing blank, is matched with the forging groove and is clamped in the forging groove. The utility model has the advantages of difficult fracture, accurate positioning and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to a forging blank mold. Background Art

[0002] The existing forging mold is connected to the machine table and then the blank is forged, such as Figure 2 As shown, it includes a top die 100 and a blank 200. A portion connected to the machine is directly provided on the outer side of the top die 100. A groove 300 for forging is provided inside the top die 100. The machine then continuously drives the top die 100 to forge the blank 200 until it is formed. However, the portion of the blank forging die connected to the machine is subjected to great stress and is very easy to break. In addition, the groove 300 in the top die 100 is not easy to align and position with the blank 200, and is prone to tilting, which affects the quality of the forged blank. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a forging blank die which is not easy to break and has accurate positioning.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A forging blank die comprises a blank upper die and a blank material, wherein the blank upper die is located above the blank material and the blank upper die and the blank material are coaxially arranged, a connecting step is arranged on the outer wall of the blank upper die, a connecting portion is arranged on the connecting step, a forging groove is opened at the inner bottom of the blank upper die, the forging groove is in an inverted bowl shape, the upper end of the blank material is a positioning convex head, the positioning convex head is adapted to the forging groove and the positioning convex head is clamped in the forging groove.

[0006] Preferably, the forging groove is a structure that is small at the top and large at the bottom, and the forging groove includes a recessed portion located at the top and an arc portion located at the bottom, the recessed portion is communicated with the arc portion, and the diameter of the recessed portion is larger than the diameter of the pressed blank.

[0007] Preferably, the diameter of the recessed portion is 0.5 mm greater than the diameter of the pressed blank.

[0008] Preferably, the bottom of the arc portion of the forged groove has a diameter 3 mm larger than the top of the arc portion of the forged groove.

[0009] By adopting the above technical solution, the utility model has the following beneficial effects:

[0010] (1) The outer wall of the upper mold for pressing the embryo of the utility model is provided with a connecting step, and a connecting part is provided on the connecting step. The connecting part is specifically located on the connecting step of the upper mold for pressing the embryo. The setting of the connecting step increases the connection area between the connecting part and the upper mold for pressing the embryo, so that the upper mold for pressing the embryo can bear a part of the force, reducing the risk of the connecting part being subjected to force, reducing the material consumption of the upper mold for pressing the embryo, and is not easy to break;

[0011] (2) The utility model is provided with a forging groove, which is adapted to the positioning protrusion so as to be accurately positioned. When used for forging, the pressed blank is evenly stressed and is not easy to tilt, thereby ensuring the flatness and concentricity of the pressed blank and improving the product qualification rate of the pressed blank;

[0012] In summary, the utility model has the advantages of being not easy to break and having accurate positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a forging mold in the prior art. DETAILED DESCRIPTION

[0015] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0016] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0017] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] 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 specific circumstances.

[0020] Example 1

[0021] In this embodiment, a forging mold is proposed, which can ensure that the produced product is concentric with the mold, and the mold is not easy to break, the positioning is more accurate, and the product qualification rate is higher.

[0022] like Figure 1 As shown, in one embodiment of the utility model, a forging blank mold of the utility model comprises a blank upper die 1 and a blank material 2. The incoming material of the blank material 2 is usually in the shape of a rod. The blank upper die 1 is mainly connected to a matching machine platform so as to forge the rod-shaped blank material 2. The blank upper die 1 is located above the blank material 2 and the blank upper die 1 and the blank material 2 are coaxially arranged. A connecting step 3 is provided on the outer wall of the blank upper die 1. A connecting portion 4 is provided on the connecting step 3. The connecting portion 4 is mainly used to be connected to a matching machine platform of the utility model, so as to drive the blank upper die 1 to forge the blank material 2. That is, the blank upper die 1 is a structure with a larger upper portion and a smaller lower portion. The outer diameter of the middle and upper portion of the blank upper die 1 is larger than the outer diameter of the middle and lower portion of the blank upper die 1 so as to form a blank material 2 in the outer wall of the blank upper die 1. A connecting step 3 is formed at the position of the blank, and the connecting part 4 is connected to the step and a part of the outer wall of the middle and lower part of the upper die 1 of the pressed embryo. A forging groove 5 is opened at the bottom of the upper die 1 of the pressed embryo. The forging groove 5 is in the shape of an inverted bowl. The forging groove 5 is a structure that is small at the top and large at the bottom. The forging groove 5 includes a recessed portion 51 located at the upper portion and an arc portion 52 located at the lower portion. The recessed portion 51 is communicated with the arc portion 52. The diameter of the recessed portion 51 is larger than the diameter of the pressed embryo 2. The upper end of the pressed embryo 2 is a positioning protrusion 6. The positioning protrusion 6 is adapted to the forging groove 5 and the positioning protrusion is clamped in the forging groove 5. Specifically, the diameter of the recessed portion 51 is 0.5 mm larger than the diameter of the pressed embryo 2. The bottom of the arc portion 52 of the forging groove 5 is 3 mm larger than the top of the arc portion 52 of the forging groove 5.

[0023] It is understood that after forging is completed, the shape of the pressed blank 2 is as follows Figure 1The shape of the lower part, the incoming blank material 2 is in the shape of a rod and the diameter of the rod is smaller than the diameter of the recessed portion 51 of the forging groove 5, and then the blank material 2 can be directly aligned with the recessed portion 51 for easy positioning, that is, the positioning protrusion 6 is directly clamped in the recessed portion 51, and then the machine adapted to the utility model continuously drives the blank upper die 1 to forge the blank material 2 and thus form the blank material 2, and the bottom of the arc portion 52 is 3 mm larger than the top diameter of the arc portion 52 of the forging groove 5, which can make it easy to take out the blank material 2 after the forging is completed.

[0024] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A forging die, characterized in that: It includes an upper die for pressing a blank and a blank material. The upper die for pressing a blank is located above the blank material and the upper die for pressing a blank and the blank material are coaxially arranged. The outer wall of the upper die for pressing a blank is provided with a connecting step, and the connecting step is provided with a connecting portion. A forging groove is provided at the bottom inner of the upper die for pressing a blank, and the forging groove is in an inverted bowl shape. The upper end of the blank material is a positioning convex head, which is adapted to the forging groove and is clamped in the forging groove.

2. A forging die according to claim 1, characterized in that: The forging groove is a structure that is small at the top and large at the bottom. The forging groove includes a recessed portion located at the top and an arc portion located at the bottom. The recessed portion is communicated with the arc portion, and the diameter of the recessed portion is greater than the diameter of the pressed blank.

3. A forging die according to claim 2, characterized in that: The diameter of the concave portion is 0.5 mm greater than the diameter of the pressed blank.

4. A forging die according to claim 2, characterized in that: The bottom of the arc portion of the forged groove has a diameter 3 mm larger than the top of the arc portion of the forged groove.

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