Lightweight high-strength deviating support structure based on forging forming and manufacturing method of lightweight high-strength deviating support structure

Abstract

The invention discloses a forging forming-based light-weight high-strength deviating support structure and a manufacturing method thereof, and particularly relates to the technical field of mechanical structural part manufacturing, the forging forming-based light-weight high-strength deviating support structure comprises a deviating support rod part, a deviating support foot plate is arranged at one end of the deviating support rod part, and a deviating support mounting head is arranged at the end, away from the deviating support foot plate, of the deviating support rod part. By arranging the structures such as the deflection supporting foot plate, the deflection supporting rod part and the deflection supporting mounting head, the deflection supporting component manufactured through the method is formed at a time through die forging, the section is in a special shape, the forging structure is compact, fiber flow lines are continuously distributed along the outline, the fatigue life of a product is prolonged by 50% or above, and the impact toughness of the product is improved by 50% or above compared with a casting. The problem of fatigue of a welding seam of a welding part is solved, the weight can be reduced by 20%-40% under the same load through the hollow structure and the special-shaped section design of the rod part, the material utilization rate is increased to 80% or above from less than 40% of overall milling through near-net forming, although a mold is needed, the cost of a single piece is greatly reduced during batch production, and the actual use effect of the special-shaped milling rod is good.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mechanical structure manufacturing, and more particularly to a lightweight high-strength biasing structure based on forging forming and a manufacturing method thereof. BACKGROUND

[0002] The existing biasing structure manufacturing methods have two: one is made by welding assembly, which is to weld the head, rod, waist plate and the like after cutting, this method has the performance of heat affected zone decreased, and the weld is easy to become a fatigue crack source, and the structure is heavy; the second is a whole solid bar milling, which has a serious waste of material (>60%), a very high cost, and a large amount of metal fibers are cut off, which cannot play the maximum performance potential of the material.

[0003] Therefore, there is an urgent need for a lightweight high-strength biasing structure based on forging forming and a manufacturing method thereof to solve the above problems. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present application provide a lightweight high-strength biasing structure based on forging forming and a manufacturing method thereof, which is formed by a mold forging once, has a special-shaped cross section, a dense forging organization, and a continuous fiber flow line along the contour, so that the fatigue life and impact toughness of the product are improved by more than 50% compared with castings, the welding fatigue problem of the welded part is solved, the hollow structure of the rod and the special-shaped cross section design can achieve a weight reduction of 20%-40% under the same load, the near-net forming improves the material utilization rate from less than 40% of the whole milling to more than 80%, although a mold is needed, the single-piece cost is greatly reduced when mass production, and the actual use effect of the present application is good, so as to solve the problems proposed in the background art.

[0005] To achieve the above object, the present application provides the following technical scheme: a lightweight high-strength biasing structure based on forging forming, comprising a biasing rod, one end of the biasing rod is provided with a biasing foot plate, the end of the biasing rod away from the biasing foot plate is provided with a biasing mounting head, the side of the biasing mounting head away from the biasing foot plate is provided with a biasing mounting notch, the top of the biasing mounting notch is provided with a biasing head mounting through hole, and the bottom of the biasing mounting notch is provided with a biasing head mounting thread hole.

[0006] In a preferred embodiment, the center of the biasing head mounting through hole and the center of the biasing head mounting thread hole are arranged in a line.

[0007] In a preferred embodiment, the biasing head mounting through hole is arranged through the top of the biasing mounting head.

[0008] In a preferred embodiment, the biasing head mounting tooth hole is arranged through the bottom of the biasing head mounting head.

[0009] A manufacturing method of a lightweight high-strength biasing structure based on forging forming, comprising a lightweight high-strength biasing structure based on forging forming according to any one of the preceding claims and the following steps: Step one: forging a biasing profile using a forging device, the biasing profile comprising a biasing head at the end of the profile, a biasing waist plate at the thickened area in the middle of the profile, and a transition area connecting the head and the waist plate, i.e. a biasing rod; Step two: biasing head sub-mounting hole, during head forging, i.e. forming a central positioning pit and a shallow hole as accurate guidance for subsequent drilling; Step three: biasing head sub-mounting tooth hole, processed based on the mounting hole, used for bolt connection; Step four: biasing mounting slot, U-shaped or rectangular groove rudiment is forged at a specific position of the rod or waist plate, used for quick plug-in positioning with other components; Step five: end face formed by numerical control cutting, i.e. biasing waist plate forming cut-off section, ensuring the total length and end face accuracy of the structure, and completing all forging and processing to obtain the finished biasing component.

[0010] In a preferred embodiment, the biasing head in step one is a forged enlarged part for providing an enlarged connecting surface.

[0011] In a preferred embodiment, the biasing waist plate in step one is formed by material flow during forging, which is the core area that bears the main bending stress.

[0012] In a preferred embodiment, the biasing rod in step one is a hollow structure inside, which realizes significant weight reduction while ensuring bending and torsional stiffness.

[0013] Technical effects and advantages of the present application: The present application is provided with a bias support foot plate, a bias support rod part and a bias support mounting head and the like structure, the present application uses forging equipment to forge a bias support profile, the bias support profile includes a bias support head part at the end of the profile, a bias support waist plate at the thickened area of the middle part of the profile and a transition area connecting the head part and the waist plate, i.e. the bias support rod part, the bias support head part is an enlarged part forged into shape, used to provide an enlarged connecting surface, the bias support waist plate is formed by material flow during forging, which is the core area bearing the main bending stress, the bias support rod part is a hollow structure, which realizes a substantial weight reduction while ensuring the bending and torsional stiffness, the bias support head mounting front hole is formed during the forging of the head part, i.e. a central positioning pit and a shallow hole, which serves as accurate guidance for subsequent drilling, the bias support head mounting thread hole is formed by machining on the basis of the mounting front hole, used for bolt connection, the bias support mounting slot is a U-shaped or rectangular groove rudiment forged at a specific position of the rod part or the waist plate, used for quick plug-in positioning with other components, the end face formed by numerical control cutting is the bias support waist plate forming cut-off section, which ensures the overall length of the structure and the accuracy of the end face, and the finished product bias support component is obtained by completing all forging and machining, the bias support component is once formed by die forging, the cross section is special-shaped, the forging organization is dense, the fiber flow lines are continuously distributed along the contour, the fatigue life and impact toughness of the product are improved by more than 50% compared with castings, the problem of weld fatigue of welded parts is solved, the hollow structure and special-shaped cross section design of the rod part can realize a weight reduction of 20%-40% under the same load, near-net forming improves the material utilization rate from less than 40% of overall milling to more than 80%, although a die is needed, the single-piece cost is greatly reduced during batch production, so that the practical use effect of the present application is better. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0015] Figure 2 It is a schematic diagram of the bias support forging profile structure blank structure of the present application.

[0016] Figure 3 It is a schematic diagram of the bias support forging profile structure blank side view structure of the present application.

[0017] Figure 4 It is a schematic diagram of the final product structure of the present application.

[0018] Figure 5 It is a schematic diagram of the final product side view structure of the present application.

[0019] Figure 6 It is a schematic diagram of the final product top view structure of the present application.

[0020] The reference signs are: 1, bias support rod part; 2, bias support foot plate; 3, bias support mounting head; 4, bias support mounting slot; 5, bias support head mounting through hole; 6, bias support head mounting thread hole. DETAILED DESCRIPTION

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] As attached Figure 1 Appendix Figure 2 Appendix Figure 3 Appendix Figure 4 Appendix Figure 5 and attached Figure 6 As shown, the present invention provides a lightweight, high-strength eccentric support structure based on forging, including an eccentric support rod 1, an eccentric support foot plate 2 at one end of the eccentric support rod 1, an eccentric support mounting head 3 at the end of the eccentric support rod 1 away from the eccentric support foot plate 2, an eccentric support mounting slot 4 on the side of the eccentric support mounting head 3 away from the eccentric support foot plate 2, an eccentric support head mounting through hole 5 at the top of the eccentric support mounting slot 4, and an eccentric support head mounting threaded hole 6 at the bottom of the eccentric support mounting slot 4.

[0023] The center of the mounting through hole 5 of the off-center support head and the center of the mounting threaded hole 6 of the off-center support head are collinear.

[0024] The mounting hole 5 of the eccentric support head is provided through the top of the eccentric support head 3.

[0025] The threaded hole 6 of the eccentric support head is provided through the bottom of the eccentric support head 3.

[0026] A method for manufacturing a lightweight, high-strength eccentric support structure based on forging, comprising the lightweight, high-strength eccentric support structure based on forging as described in any one of the above-mentioned methods, and the following steps: Step 1: Use forging equipment to forge the eccentric support profile. The eccentric support profile includes an eccentric support head located at the end of the profile, an eccentric support waist plate located in the thickened area in the middle of the profile, and a transition area connecting the head and the waist plate, i.e., the eccentric support rod part. Step 2: Install the front hole of the offset support head. During the forging of the head, a central positioning recess and shallow hole are formed to serve as a precise guide for subsequent drilling. Step 3: Install the threaded holes in the offset head, which are machined from the pre-installation holes for bolt connection; Step 4: Install the offset support groove. Forge a U-shaped or rectangular groove prototype at a specific position on the rod or waist plate for quick insertion and positioning with other components. Step 5: The end face formed by CNC cutting is the cutting head section for the eccentric support waist plate. This ensures the overall length of the structure and the accuracy of the end face, and completes all forging and processing to obtain the finished eccentric support component.

[0027] The offset support head part in the step one is a forged enlarged part for providing an enlarged connecting surface.

[0028] The offset support waist plate in the step one is formed by material flow during forging, and is a core area bearing main bending stress.

[0029] The inside of the offset support rod part in the step one is a hollow structure, which realizes substantial weight reduction while ensuring bending and torsional rigidity.

[0030] The embodiment is specifically: the present application uses a forging equipment to forge an offset support profile, the offset support profile includes an offset support head part at the end of the profile, an offset support waist plate at the thickened area of the middle of the profile, and a transition area connecting the head part and the waist plate, i.e. an offset support rod part, the offset support head part is a forged enlarged part for providing an enlarged connecting surface, the offset support waist plate is formed by material flow during forging, and is a core area bearing main bending stress, the inside of the offset support rod part is a hollow structure, which realizes substantial weight reduction while ensuring bending and torsional rigidity, the offset support head installation front hole is a center positioning pit and a shallow hole formed during forging of the head part, which serves as accurate guidance for subsequent drilling, the offset support head installation thread hole is formed on the basis of the installation front hole and is used for bolt connection, the offset support installation slot is a U-shaped or rectangular groove rudiment forged at a specific position of the rod part or the waist plate, which is used for quick plug-in positioning with other components, the end face formed by numerical control cutting is a waist plate forming cut-off section, which ensures the total length of the structure and the end face accuracy, and the finished product offset support member is obtained by completing all forging and processing, the offset support member is molded by die forging once, the cross section is special-shaped, the forging organization is compact, the fiber flow line is continuously distributed along the contour, the fatigue life and impact toughness of the product are improved by more than 50% compared with castings, the welding seam fatigue problem of welded parts is solved, the hollow structure and special-shaped cross section design of the rod part can realize weight reduction of 20%-40% under the same load, near-net forming improves the material utilization rate from less than 40% of overall milling to more than 80%, although a die is needed, the single-piece cost is greatly reduced during batch production, and the practical use effect of the present application is better.

[0031] The working principle of the present application is: Referring to the drawings in the specification Figure 1 , the drawings Figure 2 , the drawings Figure 3 , the drawings Figure 4 , the drawings Figure 5 , and the drawings Figure 6In use of the present application, by being provided with the structures of the eccentric strut foot plate 2, the eccentric strut rod part 1 and the eccentric strut mounting head 3, the present application uses the forging equipment to forge the eccentric strut profile, the eccentric strut profile includes the eccentric strut head part at the end of the profile, the eccentric strut waist plate at the thickened area in the middle of the profile and the transition area connecting the head part and the waist plate, i.e. the eccentric strut rod part, the eccentric strut head part is the enlarged part forged into shape, used for providing the enlarged connecting surface, the eccentric strut waist plate is the core area formed by material flow during forging, which bears the main bending stress, the inside of the eccentric strut rod part is the hollow structure, which realizes the substantial weight reduction while ensuring the bending and torsional stiffness, the eccentric strut head mounting front hole is the center positioning pit and shallow hole formed during forging of the head part, used as the accurate guidance for subsequent drilling, the eccentric strut head mounting toothed hole is formed by processing on the basis of the mounting front hole, used for bolt connection, the eccentric strut mounting notch is the U-shaped or rectangular groove rudiment forged at the specific position of the rod part or the waist plate, used for quick plug-in positioning with other components, the end face formed by numerical control cutting is the eccentric strut waist plate forming cut-off section, which ensures the total length of the structure and the end face accuracy, and the finished product eccentric strut component is obtained by completing all forging and processing, the eccentric strut component is once formed by die forging, the cross section is special-shaped, the forging organization is compact, the fiber flow lines are continuously distributed along the contour, the fatigue life and impact toughness of the product are improved by more than 50% compared with castings, the welding seam fatigue problem of the welded parts is solved, the hollow structure of the rod part and the special-shaped cross section design can realize the weight reduction of 20%-40% under the same load, the near-net forming improves the material utilization rate from less than 40% of the overall milling to more than 80%, although the die is needed, the single-piece cost is greatly reduced during batch production, so that the actual use effect of the present application is better.

[0032] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change; Secondly: the present application discloses the structure involved in the embodiment of the present application, other structures can refer to the usual design, and the same embodiment and different embodiments of the present application can be combined with each other under the condition of no conflict; Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A lightweight, high-strength eccentric support structure based on forging, comprising an eccentric support rod (1), characterized in that: One end of the eccentric support rod (1) is provided with an eccentric support foot plate (2), and the end of the eccentric support rod (1) away from the eccentric support foot plate (2) is provided with an eccentric support mounting head (3). The side of the eccentric support mounting head (3) away from the eccentric support foot plate (2) is provided with an eccentric support mounting slot (4). The top of the eccentric support mounting slot (4) is provided with an eccentric support head mounting through hole (5), and the bottom of the eccentric support mounting slot (4) is provided with an eccentric support head mounting threaded hole (6).

2. The lightweight, high-strength eccentric support structure based on forging as described in claim 1, characterized in that: The center of the mounting through hole (5) of the eccentric support head is collinear with the center of the mounting threaded hole (6) of the eccentric support head.

3. The lightweight, high-strength eccentric support structure based on forging as described in claim 1, characterized in that: The mounting hole (5) of the eccentric support head is provided through the top of the eccentric support head (3).

4. The lightweight, high-strength eccentric support structure based on forging as described in claim 1, characterized in that: The threaded hole (6) of the eccentric support head is provided through the bottom of the eccentric support head (3).

5. A method for manufacturing a lightweight, high-strength eccentric support structure based on forging, characterized in that, Includes a lightweight, high-strength eccentric support structure based on forging as described in any one of claims 1-4, and the following steps: Step 1: Use forging equipment to forge the eccentric support profile. The eccentric support profile includes an eccentric support head located at the end of the profile, an eccentric support waist plate located in the thickened area in the middle of the profile, and a transition area connecting the head and the waist plate, i.e., the eccentric support rod part. Step 2: Install the front hole of the offset support head. During the forging of the head, a central positioning recess and shallow hole are formed to serve as a precise guide for subsequent drilling. Step 3: Install the threaded holes in the offset head, which are machined from the pre-installation holes for bolt connection; Step 4: Install the offset support groove. Forge a U-shaped or rectangular groove prototype at a specific position on the rod or waist plate for quick insertion and positioning with other components. Step 5: The end face formed by CNC cutting is the cutting head section for the eccentric support waist plate. This ensures the overall length of the structure and the accuracy of the end face, and completes all forging and processing to obtain the finished eccentric support component.

6. The manufacturing method of a lightweight, high-strength eccentric support structure based on forging according to claim 5, characterized in that: The eccentric support head in step one is an enlarged part formed by forging, used to provide an enlarged connection surface.

7. The manufacturing method of a lightweight, high-strength eccentric support structure based on forging according to claim 5, characterized in that: The eccentric support plate in step one is formed during forging through material flow and is the core area that bears the main bending stress.

8. The manufacturing method of a lightweight, high-strength eccentric support structure based on forging according to claim 5, characterized in that: The eccentric support rod in step one has a hollow structure inside, which achieves significant weight reduction while ensuring bending and torsional stiffness.

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