Hinge type opening and closing forging die

Abstract

The utility model discloses a hinge type opening and closing forging die, which belongs to the technical field of forging dies, and comprises an upper die plate, a lower die plate, a lower die plate and an upper die plate, a plurality of guide columns are arranged on the lower die plate, and the guide columns are connected into the guide sleeves in a sliding mode; the upper die body is fixedly mounted on the upper die plate; the lower die holder is fixedly mounted on the lower die plate; the two lower die bodies are symmetrically arranged in the lower die base, and a die cavity is formed between the two lower die bodies; a section bar is placed in the die cavity and clamped by the two lower die bodies, when the upper die plate and the lower die plate which are installed on a punching machine are close to each other, the upper die body punches the section bar to enable the end portion of the section bar to be formed, and after the die is opened, the jacking rod ascends to jack the two lower die bodies to be separated from the lower die base. And under the linkage traction action of the first hinge and the second hinge, the two lower mold bodies are opened, and the formed steel foot can be taken out, so that the problem that the steel foot is difficult to demold is solved, and the machining efficiency of the steel foot is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of forging dies, and in particular relates to a hinged opening and closing forging die. Background Art

[0002] Forging die refers to a tool that can shape the blank into a die forging. Forging die is a key process equipment necessary for the production of die forgings. It is a tool that needs to be used in every stroke of the equipment. It plays a vital role in the production of die forgings. The steel foot needs to be integrally formed using the forging die.

[0003] At present, since the middle part of the steel foot after molding is rod-shaped and the two end parts are mushroom-shaped, it is difficult to demould the steel foot, resulting in low processing efficiency of the steel foot. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problems and to propose a hinged opening and closing forging die.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a hinged opening and closing forging die, which comprises:

[0006] an upper template on which a plurality of guide sleeves are arranged;

[0007] A lower template, on which a plurality of guide pillars are arranged, wherein the plurality of guide pillars are slidably connected in the plurality of guide sleeves;

[0008] An upper mold body, which is fixedly mounted on the upper mold plate;

[0009] A lower die base, which is fixedly mounted on the lower die plate;

[0010] Two lower mold bodies are symmetrically arranged in the lower mold base, and a mold cavity is formed between the two lower mold bodies. The lower ends of the two lower mold plates are connected by a first hinge, and the upper ends of the two lower mold plates are respectively connected to the lower mold plates by two sets of second hinges;

[0011] A lifting rod is slidably connected to the lower mold plate, and the lifting rod extends into the lower mold base and supports the first hinge.

[0012] As a further description of the above technical solution:

[0013] The lower die seat is a rotating body, and a guide cone surface is arranged inside the lower die seat, and the outer wall of the lower die body is in contact with the guide cone surface.

[0014] As a further description of the above technical solution:

[0015] An inner half mold is arranged in the lower mold body, and the inner half mold is located in the mold cavity.

[0016] As a further description of the above technical solution:

[0017] A sealing plate is provided at the lower end of one of the lower mold bodies, the sealing plate blocks the lower end of the mold cavity, and the sealing plate is attached to the other lower mold body. A bottom pad is installed on the sealing plate, and the bottom pad extends into the mold cavity.

[0018] As a further description of the above technical solution:

[0019] The inner upper edge of the inner half mold is provided with a guiding inclined surface.

[0020] As a further description of the above technical solution:

[0021] The second hinge includes a hinge base, two hinged parts and a hinge pull rod. The hinge base is fixedly connected to the lower mold plate. The two hinged parts are respectively hinged to the hinge base and the upper end of the lower mold body. The two ends of the hinge pull rod are respectively screwed to the two hinged parts.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0023] 1. In the utility model, the profile is placed in the mold cavity and clamped by two lower mold bodies. When the upper mold plate and the lower mold plate installed on the punching machine are brought close to each other, the upper mold body punches the profile to form the end of the profile. After the mold is opened, the lifting rod rises to lift the two lower mold bodies away from the lower mold base. Under the linkage traction of the first hinge and the second hinge, the two lower mold bodies are opened, and the formed steel feet can be taken out, which solves the problem of difficult demoulding of the steel feet and improves the processing efficiency of the steel feet.

[0024] 2. In the utility model, when the jacking rod is lifted upward, under the traction of the hinge pull rod, the hinge pull rod pulls the upper end of the lower mold body to one side, and the two hinged parts are respectively hinged to the hinge base and the lower mold body, thereby being able to adapt to the freedom of rotation of the lower mold body and ensure that the lower mold body can be flexibly unfolded. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of a hinged opening and closing forging die.

[0026] Figure 2 A cross-sectional view of a hinged opening and closing forging die.

[0027] Figure 3 Explosion of a hinged opening and closing forging die Figure 1 .

[0028] Figure 4 Explosion of a hinged opening and closing forging die Figure 2 .

[0029] Legend:

[0030] 1. Upper template; 2. Guide sleeve; 3. Lower template; 4. Guide column; 5. Upper mold body; 6. Lower mold base; 7. Lower mold body; 8. Mold cavity; 9. First hinge; 10. Second hinge; 101. Hinge base; 102. Articulated part; 103. Hinge pull rod; 11. Lifting rod; 12. Guide cone; 13. Inner half mold; 14. Closing plate; 15. Bottom pad; 16. Guide slope. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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] See also Figure 1-4 The utility model provides a technical solution: a hinged opening and closing forging die, comprising:

[0033] An upper template 1, on which a plurality of guide sleeves 2 are arranged;

[0034] A lower template 3, on which a plurality of guide pillars 4 are arranged, and the plurality of guide pillars 4 are slidably connected in the plurality of guide sleeves 2;

[0035] An upper mold body 5, which is fixedly mounted on the upper mold plate 1;

[0036] A lower die base 6, which is fixedly mounted on the lower die plate 3;

[0037] Two lower mold bodies 7 are symmetrically arranged in the lower mold base 6, and a mold cavity 8 is formed between the two lower mold bodies 7. The lower ends of the two lower mold plates 3 are connected by a first hinge 9, and the upper ends of the two lower mold plates 3 are respectively connected to the lower mold plates 3 by two sets of second hinges 10;

[0038] A lifting rod 11 is slidably connected to the lower mold plate 3, and the lifting rod 11 extends into the lower mold base 6 and supports the first hinge 9;

[0039] The lower die seat 6 is a rotating body, and a guide cone 12 is provided inside the lower die seat 6. The outer wall of the lower die body 7 fits the guide cone 12, so as to guide the position of the lower die body 7 inside the lower die seat 6.

[0040] An inner half mold 13 is arranged in the lower mold body 7, and the inner half mold 13 is located in the mold cavity 8. The inner half mold 13 clamps the rod-shaped part in the middle of the steel foot, and the mold cavity 8 below the inner half mold 13 is used to avoid the mushroom-shaped part at one end of the steel foot;

[0041] A sealing plate 14 is provided at the lower end of one of the lower mold bodies 7, the sealing plate 14 blocks the lower end of the mold cavity 8, and the sealing plate 14 is attached to the other lower mold body 7, a bottom pad 15 is installed on the sealing plate 14, and the bottom pad 15 extends into the mold cavity 8 to support the steel foot;

[0042] The inner upper edge of the inner half mold 13 is provided with a guiding inclined surface 16, which has a guiding and limiting effect on the mushroom-shaped forming of the upper end of the steel leg;

[0043] The second hinge 10 includes a hinge base 101, two hinged parts 102 and a hinge rod 103. The hinge base 101 is fixedly connected to the lower mold plate 3. The two hinged parts 102 are respectively hinged to the hinge base 101 and the upper end of the lower mold body 7. The two ends of the hinge rod 103 are respectively screwed to the two hinged parts 102. When the lifting rod 11 is lifted upward, under the traction action of the hinge rod 103, the hinge rod 103 pulls the upper end of the lower mold body 7 to one side. The two hinged parts 102 are respectively hinged to the hinge base 101 and the lower mold body 7, so as to adapt to the freedom of rotation of the lower mold body 7 and ensure that the lower mold body 7 can be flexibly unfolded.

[0044] Working principle: First, put the profile into the mold cavity 8, the inner half mold 13 clamps the rod-shaped part in the middle of the steel foot, the mold cavity 8 below the inner half mold 13 is used to avoid the mushroom-shaped part at one end of the steel foot, and the bottom pad 15 has a supporting effect on the lower end of the steel foot. Secondly, when the upper mold plate 1 and the lower mold plate 3 installed on the punching machine are close to each other, multiple guide pillars 4 slide along multiple guide sleeves 2, and the upper mold body 5 punches the profile to form the end of the profile. The guide slope 16 has a guiding and limiting effect on the mushroom-shaped forming at the upper end of the steel foot, and then the mold is opened. Then, the lifting rod 11 rises to lift the two lower mold bodies 7 off the lower mold base 6, and the linkage traction of the first hinge 9 and the second hinge 10 The two lower mold bodies 7 are opened under the action, that is, when the lifting rod 11 is lifted upward, under the traction of the hinge pull rod 103, the hinge pull rod 103 pulls the upper end of the lower mold body 7 to one side, and the two hinges 102 are respectively hinged to the hinge base 101 and the lower mold body 7, so as to adapt to the freedom of rotation of the lower mold body 7, and ensure that the lower mold body 7 is flexibly unfolded, so that the formed steel foot can be taken out, which solves the problem of difficulty in demolding the steel foot and improves the processing efficiency of the steel foot. Finally, the action of the lifting rod 11 on the first hinge 9 is canceled, and the lower mold body 7 is reset to the lower mold base 6 under the action of gravity. Under the guidance of the guide cone 12, the lower mold base 6 is perfectly reset.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hinged opening and closing forging die, characterized in that: include: An upper template (1) on which a plurality of guide sleeves (2) are arranged; A lower template (3) on which a plurality of guide pillars (4) are arranged, wherein the plurality of guide pillars (4) are slidably connected in the plurality of guide sleeves (2); An upper mold body (5) fixedly mounted on the upper mold plate (1); A lower die base (6) fixedly mounted on the lower die plate (3); Two lower mold bodies (7) are symmetrically arranged in the lower mold base (6), and a mold cavity (8) is formed between the two lower mold bodies (7); the lower ends of the two lower mold plates (3) are connected by a first hinge (9), and the upper ends of the two lower mold plates (3) are respectively connected to the lower mold plates (3) by two sets of second hinges (10); A lifting rod (11) is slidably connected to the lower mold plate (3), and the lifting rod (11) extends into the lower mold base (6) and supports the first hinge (9).

2. A hinged opening and closing forging die according to claim 1, characterized in that: The lower die seat (6) is a rotating body, and a guide cone surface (12) is arranged inside the lower die seat (6), and the outer wall of the lower die body (7) fits the guide cone surface (12).

3. A hinged opening and closing forging die according to claim 2, characterized in that: An inner half mold (13) is arranged in the lower mold body (7), and the inner half mold (13) is located in the mold cavity (8).

4. A hinged opening and closing forging die according to claim 3, characterized in that: A sealing plate (14) is provided at the lower end of one of the lower mold bodies (7), and the sealing plate (14) blocks the lower end of the mold cavity (8). The sealing plate (14) is in contact with the other lower mold body (7), and a bottom pad (15) is installed on the sealing plate (14), and the bottom pad (15) extends into the mold cavity (8).

5. A hinged opening and closing forging die according to claim 4, characterized in that: The inner upper edge of the inner half mold (13) is provided with a guiding inclined surface (16).

6. A hinged opening and closing forging die according to claim 5, characterized in that: The second hinge (10) comprises a hinge base (101), two hinged parts (102) and a hinge pull rod (103); the hinge base (101) is fixedly connected to the lower mold plate (3); the two hinged parts (102) are respectively hinged to the hinge base (101) and the upper end of the lower mold body (7); and the two ends of the hinge pull rod (103) are respectively screwed to the two hinged parts (102).

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