Split type die for forging blank bending

Abstract

The utility model discloses a split type die for bending a forge piece blank, and belongs to the technical field of dies. The die comprises a male die, a lower die fixing clamp and an insert female die, the male die is fixedly connected with the curved male die through an upper die fixing plate, the insert female die is formed by splicing a left insert female die and a right insert female die through a concave-convex structure, and guide grooves matched with guide grooves of the male die are formed in the left insert female die and the right insert female die respectively. The die is provided with an ejection device, and the special-shaped ejection rod penetrates through the ejection hole. During working, the male die is matched with the insert female die through the guide groove, a forge piece blank is bent under the action of a press machine, and the forge piece is ejected out by the special-shaped ejector rod after being bent. According to the die, the production consistency of forgings is guaranteed, the insert female die split type structure is convenient to install, maintain and machine, manual operation is reduced through an ejection device, and the production benefit is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die technical field, concretely relates to a kind of for forging blank bending split type mould. BACKGROUND

[0002] At present, the existing forging blank bending is mostly taken in the case of press equipment and manual cooperation, and the operator bends the forging blank using the pressure of the press, and the bending angle is entirely relied on the experience and proficiency of the worker, and at the same time, due to the heavy weight of the forging blank, manual operation is difficult, leading to inconsistent forging blanks in production, affecting the quality of the final forging product, and the die is damaged, and the production efficiency is low. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of forging blank bending split type structure to solve the problems raised in the above background technology, and ensure the consistency of forging production.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of for forging blank bending split type mould, including male die, lower die fixed clamp and insert block female die, the male die and insert block female die can be matched together, the insert block female die is fixed in lower die fixed clamp, the male die includes upper die fixed plate and curved surface male die, the upper die fixed plate is fixedly connected with curved surface male die, the lower end of curved surface male die is protruding, and the lower surface is provided with first upper guide groove and second upper guide groove respectively, to cooperate with the recessed cavity of the insert block female die, the side wall of left insert block female die and right insert block female die is matched together by concave-convex structure, and the side wall of left insert block female die and right insert block female die is matched together by concave-convex structure.

[0005] Further, the inner side wall of left insert block female die is provided with positioning groove, the inner side wall of right insert block female die is provided with positioning boss, the upper plane of left insert block female die is provided with first lower guide groove matched with first upper guide groove, the upper plane of right insert block female die is provided with second lower guide groove matched with second upper guide groove, the recessed cavity of left insert block female die is provided with left ejecting hole, and the recessed cavity of right insert block female die is provided with right ejecting hole, the left ejecting hole and right ejecting hole are matched together to form second ejecting hole, and the center of lower die fixed clamp is provided with first ejecting hole.

[0006] Further, it further includes profiled ejecting rod, the upper segment of profiled ejecting rod is placed in the second ejecting hole, and the lower end of profiled ejecting rod sequentially passes through the second ejecting hole and first ejecting hole.

[0007] Further, the lower mold fixing clamp is provided with a second groove at each corner, and the upper surface of the lower mold fixing clamp is provided with a fixing groove.

[0008] Further, the upper mold fixing plate is provided with a first bolt groove at each corner.

[0009] The advantages and beneficial effects of the present utility model are as follows: the curved male die is pressed down by the pressure of a press, and cooperates with the insert female die along the guide groove, thereby ensuring the consistency of the forged piece production; the insert female die is split type, easy to install and maintain, easy to process, and the bending die is provided with an ejection device, thereby reducing the manual operation steps, and solving the problems of large amount of manual operation, difficult overall module processing and low production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a three-dimensional structure schematic diagram of the present utility model;

[0011] Figure 2 It is a structure schematic diagram of the male die of the present utility model;

[0012] Figure 3 It is a structure schematic diagram of the lower mold fixing clamp of the present utility model;

[0013] Figure 4 It is a structure schematic diagram of the insert female die of the present utility model;

[0014] Figure 5 It is a structure schematic diagram of the special-shaped ejection rod of the present utility model;

[0015] In the drawing: 1, male die; 2, lower mold fixing clamp; 3, insert female die; 11, upper mold fixing plate; 12, curved male die; 111, first bolt groove; 121, first upper guide groove; 122, second upper guide groove; 21, second bolt groove; 22, first ejection hole; 23, fixing groove; 31, left insert female die; 32, right insert female die; 311, first lower guide groove; 312, left ejection hole; 313, positioning groove; 321, second lower guide groove; 322, right ejection hole; 323, positioning boss; 4, special-shaped ejection rod. DETAILED DESCRIPTION

[0016] The present utility model will be described in detail below in combination with the drawings and specific embodiments:

[0017] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. The described embodiments are only a part of the embodiments of the utility model, and not all, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0018] Embodiment 1

[0019] As Figures 1-2 shown, a kind of for forging blank bending split mould, including male die 1, lower die fixed clamp 2 and insert block female die 3, the insert block female die 3 is fixed in lower die fixed clamp 2 inside, the male die 1 includes upper die fixed plate 11 and curved male die 12, the upper die fixed plate 11 is fixedly connected with curved male die 12, the lower end of curved male die 12 is protruding, and the lower surface is respectively opened with first upper guide groove 121 and second upper guide groove 122, to cooperate with the concave cavity of the insert block female die in turn.The upper die fixed plate 11 is respectively opened with first bolt recess 111 around.

[0020] As Figure 3 shown, the four corners of the lower die fixed clamp 2 are respectively opened with second bolt recess 21, and the upper plane of the lower die fixed clamp 2 is opened with fixed recess 23.

[0021] As Figure 4 shown, the insert block female die 3 includes left insert block female die 31 and right insert block female die 32, left insert block female die 31, right insert block female die 32 are all using H13 alloy die steel, using split structure is conducive to mould processing, when forging bending, insert block female die stress is big, mould is easy to damage, split structure can reduce maintenance cost, the inner side wall of the left insert block female die 31 is opened with positioning recess 313, the inner side wall of the right insert block female die 32 is opened with positioning boss 323, the side wall of the left insert block female die 31 and right insert block female die 32 is matched together through concave-convex structure, the upper plane of the left insert block female die 31 is opened with first lower guide groove 311 matched with first upper guide groove 121, the upper plane of the right insert block female die 32 is opened with second lower guide groove 321 matched with second upper guide groove 222, to guarantee that the bending cavity in mould is guided accurately, the concave cavity in the left insert block female die 31 is opened with left ejector hole 312, and the concave cavity in the right insert block female die 32 is opened with right ejector hole 322, the left ejector hole 312 and right ejector hole 322 are matched together to form second ejector hole, and the center of the lower die fixed clamp 2 is opened with first ejector hole 22.

[0022] As Figure 5 shown, the embodiment further comprises a special-shaped ejector rod 4, an upper end of the special-shaped ejector rod 4 is placed in the second ejecting hole, and a lower end of the special-shaped ejector rod 4 sequentially passes through the second ejecting hole and the first ejecting hole 22.

[0023] The working process of the utility model: when in use, the first bolt groove 111 is distributed on the two sides of the edge of the upper die fixed plate 11, the upper die fixed plate 1 is fixed on the upper end of the press machine by screw, the second bolt groove 21 is distributed on the two sides of the edge of the lower die fixed clamp 2, the lower die fixed clamp 2 is fixed on the lower end of the press machine by screw, the first upper guide groove 121 and the first lower guide groove 311 are matched with each other, the second upper guide groove 122 and the second lower guide groove 321 are matched with each other, the curved male die 12 fixed on the upper die fixed plate 11 is placed on the surface of the insert block female die in the lower die fixed clamp 2 by the pressure of the press machine, along with the increase of the pressure of the press machine, the height of the curved male die 12 is constantly reduced, the curved male die 12 is in contact with the upper surface of the forging, the forging is bent along the cavity of the insert block female die 3 by the pressure of the press machine, after the complete cooperation of the lower pressing groove 121, the first lower guide groove 311 and the second upper guide groove 122, the second lower guide groove 321, the increase of the pressure is stopped, the size consistency of the batch production forgings is ensured, and the surface quality of the forgings is improved.The height of the male die 1 is increased, the special-shaped ejector rod 4 ejects the forgings by the ejecting force of the press machine, and the forgings can be taken out.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A split die for bending a forging blank, comprising a male die (1), a lower die fixing clamp (2) and an insert female die (3), characterized in that: The insert female die (3) is fixed inside the lower die fixing clamp (2), the male die (1) comprises an upper die fixing plate (11) and a curved male die (12), the upper die fixing plate (11) is fixedly connected with the curved male die (12), the lower end of the curved male die (12) protrudes, and the lower surface is respectively provided with a first upper guide groove (121) and a second upper guide groove (122), which are matched with the recessed cavity of the insert female die, the insert female die (3) comprises a left insert female die (31) and a right insert female die (32), and the side walls of the left insert female die (31) and the right insert female die (32) are matched together through concave-convex structures.

2. The split die for bending a rough piece of a forged product according to claim 1, wherein: The insert female die (3) comprises a left insert female die (31) and a right insert female die (32), the inner side wall of the left insert female die (31) is provided with a positioning groove (313), the inner side wall of the right insert female die (32) is provided with a positioning boss (323), the upper plane of the left insert female die (31) is provided with a first lower guide groove (311) matched with the first upper guide groove (121), the upper plane of the right insert female die (32) is provided with a second lower guide groove (321) matched with the second upper guide groove (122), the recessed cavity of the left insert female die (31) is provided with a left ejecting hole (312), the recessed cavity of the right insert female die (32) is provided with a right ejecting hole (322), the left ejecting hole (312) and the right ejecting hole (322) are matched together to form a second ejecting hole, and the center of the lower die fixing clamp (2) is provided with a first ejecting hole (22).

3. The split die for bending a rough piece of a forged product according to claim 2, wherein: Further comprising a special-shaped ejecting rod (4), the upper segment of the special-shaped ejecting rod (4) is placed in the second ejecting hole, and the lower end of the special-shaped ejecting rod (4) sequentially penetrates the second ejecting hole and the first ejecting hole (22).

4. A split die for bending a blank of a forged part according to any one of claims 1 to 3, characterized in that: The four corners of the lower die fixing clamp (2) are respectively provided with second bolt grooves (21), and the upper plane of the lower die fixing clamp (2) is provided with a fixing groove (23).

5. The split die for bending a rough piece of a forged product according to claim 4, wherein: The upper die fixing plate (11) is respectively provided with first bolt grooves (111) around.

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