quick change device for axle forging dies

Abstract

This utility model discloses a quick-change device for axle forging dies, comprising at least three forging die parts assembled together. Each forging die part contains an insertion assembly, an extrusion assembly, and a limiting assembly. The extrusion assembly limits the height of the limiting assembly, and the limiting assembly limits the position of the insertion assembly. A mounting cavity is formed inside the middle forging die part, with openings on both sides. A through-hole and a slot are respectively formed on the left and right sides of the forging die part. This utility model, through the coordinated operation of the insertion assembly, extrusion assembly, and limiting assembly, allows for the assembly and disassembly of the forging die parts simply by rotating the extrusion block and pushing or releasing the insertion block using a tool. This eliminates the need to disassemble multiple fixing parts, significantly simplifying the replacement process. Compared to traditional whole-die replacement methods, it reduces manual operation time and significantly improves the efficiency of axle forging die replacement, making it suitable for scenarios requiring frequent die changes in mass production.

Description

Technical Field

[0001] This utility model belongs to the field of axle forging die technology, and in particular relates to a quick-change device for axle forging dies. Background Technology

[0002] In the axle forging process, the forging die is the core component for forming the axle, and it needs to be replaced or maintained regularly according to the axle's model and specifications. Traditional axle forging dies are mostly integral structures or split structures assembled using multiple bolts, clips, and other fasteners. The following problems arise during replacement:

[0003] Integral forging dies are heavy and require hoisting equipment for disassembly and installation during replacement. This is not only time-consuming and labor-intensive, but also requires repeated calibration of the die position, which seriously affects the production rhythm. Although split forging dies can be disassembled, they rely on bolts and other fasteners for connection. When replacing them, multiple fasteners need to be disassembled and tightened one by one. The operation is cumbersome, and when forging dies are frequently replaced in mass production, production efficiency will be greatly reduced. Utility Model Content

[0004] This utility model addresses the problems in the prior art by proposing the following technical solution:

[0005] A quick-change device for axle forging dies includes at least three forging die parts assembled together. Each forging die part has an insert assembly, an extrusion assembly, and a limiting assembly installed inside. The extrusion assembly is used to limit the height of the limiting assembly, and the limiting assembly is used to limit the position of the insert assembly.

[0006] An installation cavity is provided inside the forging die segment located in the middle. Openings are provided on both sides of the installation cavity, and through openings and slots are provided on the left and right sides of the forging die segment, respectively. The through openings communicate with the installation cavity.

[0007] The interlocking assembly includes a push plate, on which interlocking blocks and springs are fixedly connected to both sides, and notches are provided on both sides of the push plate.

[0008] As a preferred embodiment of the above technical solution, the push plate is slidably connected to the mounting cavity, the interlocking block passes through the through-hole and is adapted to the slot, and the spring is fixedly connected to the side wall of the mounting cavity.

[0009] As a preferred embodiment of the above technical solution, the opening is provided with a sliding groove, a telescopic groove and a placement groove, wherein the placement groove communicates with the mounting cavity and the telescopic groove.

[0010] As a preferred embodiment of the above technical solution, the extrusion assembly includes an extrusion block, the outer ring of which is fixedly connected to a slider, and a slot is formed on the side of the extrusion block away from the mounting cavity, and the slider is slidably connected to the slot.

[0011] As a preferred embodiment of the above technical solution, the limiting component includes a lifting block located below the extrusion block. The lifting block is slidably connected to the telescopic groove, and a limiting rod is fixedly connected to the side of the lifting block near the mounting cavity. The limiting rod is adapted to the placement groove and the notch.

[0012] As a preferred embodiment of the above technical solution, a second spring is fixedly connected to the bottom of the lifting block, and the bottom end of the second spring is fixedly connected to the telescopic groove.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. This utility model, through the coordinated operation of the splicing component, the extrusion component and the limiting component, allows for the splicing and disassembly of the forging die to be completed simply by rotating the extrusion block and pushing or releasing the splicing block with a tool. It eliminates the need to disassemble multiple fixing parts, greatly simplifying the replacement steps. Compared with the traditional whole forging die replacement method, it reduces manual operation time and significantly improves the replacement efficiency of axle forging dies. It is suitable for scenarios where forging dies are frequently replaced in mass production.

[0015] 2. This utility model adopts an assembly structure of at least three forging die parts, which can replace the corresponding forging die parts according to the forging requirements of different axle models, without replacing the entire forging die device, thus reducing equipment costs. At the same time, the modular design facilitates the maintenance or replacement of individual forging die parts, extending the service life of the overall device.

[0016] 3. The slotted design of the extrusion block of this utility model is compatible with conventional tools. Operators can easily drive the component to move without professional skills. The elasticity of spring one and spring two realizes partial automation of the action, reducing the force required for manual pushing or adjustment and reducing the labor intensity of operators. Attached Figure Description

[0017] Figure 1 The diagram shown is a structural schematic of the quick-change device for axle forging dies in the embodiment.

[0018] Figure 2 The diagram shown is a structural schematic of the forging die in the embodiment;

[0019] Figure 3 What is shown is Figure 2 Enlarged schematic diagram of the structure at point A in the diagram;

[0020] Figure 4 The diagram shown is a structural schematic of the extrusion assembly and the limiting assembly in the embodiment.

[0021] Explanation of reference numerals in the attached figures:

[0022] 10. Forging die assembly; 12. Slot; 13. Mounting cavity; 14. Opening; 15. Slide groove; 16. Telescopic groove; 17. Placement groove; 20. Interlocking assembly; 21. Push plate; 22. Notch; 23. Interlocking block; 24. Spring 1; 30. Extrusion assembly; 31. Extrusion block; 32. Slider; 33. Slotted groove; 40. Limiting assembly; 41. Lifting block; 42. Spring 2; 43. Limiting rod. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0024] Example

[0025] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The quick-change device for axle forging dies shown includes at least three forging die parts 10 assembled together. Each forging die part 10 has an insert assembly 20, a pressing assembly 30, and a limiting assembly 40 installed inside. The pressing assembly 30 limits the height of the limiting assembly 40, and the limiting assembly 40 limits the position of the insert assembly 20. An installation cavity 13 is provided inside the middle forging die part 10. Openings 14 are provided on both sides of the installation cavity 13, and through openings and slots 12 are provided on the left and right sides of the forging die part 10, respectively. The through openings communicate with the installation cavity 13. The insert assembly 20 includes a push plate 21, with insert blocks 23 and springs 24 fixedly connected to both sides of the push plate 21, and notches 22 are provided on both sides of the push plate 21.

[0026] It should be noted that the design of "assembling at least three forging die parts 10" provides a basis for the modular disassembly and assembly of axle forging dies, solves the problem of time-consuming replacement of traditional integral forging dies, and achieves the core goal of "rapid replacement". The hierarchical control relationship of the splicing component 20, the extrusion component 30, and the limiting component 40 is defined to form an orderly linkage mechanism to ensure that the operation process can be precisely controlled. The opening of the mounting cavity 13, the opening 14, the through opening, and the slot 12 provides independent and interconnected installation space for each component, which not only ensures that the components do not interfere with each other, but also enables coordinated action through spatial connection. The push plate 21, splicing block 23, spring 24, and notch 22 of the splicing component 20 initially form a structure of "active splicing + elastic reset + limiting adaptation": the splicing block 23 is used for the physical connection of adjacent forging die parts 10, the spring 24 provides the power for automatic pop-out, and the notch 22 provides a matching point for the locking of the subsequent limiting component 40.

[0027] like Figure 2As shown, the push plate 21 is slidably connected to the mounting cavity 13, the interlocking block 23 passes through the through opening, and the interlocking block 23 is adapted to the slot 12. The spring 24 is fixedly connected to the side wall of the mounting cavity 13.

[0028] Specifically, the push plate 21 is slidably connected to the mounting cavity 13, restricting the push plate 21 to move only in the horizontal direction of the mounting cavity 13, preventing the interlocking block 23 from failing to align with the slot 12 due to offset, and ensuring splicing accuracy; the interlocking block 23 passes through the through-hole and fits into the slot 12, realizing the mechanical connection between two adjacent forging die parts 10 (such as the interlocking block 23 of the left forging die part 10 being inserted into the slot 12 of the right forging die part 10), and fixing the overall structure of the forging die through physical fitting; the spring 24 is fixed to the side wall of the mounting cavity 13, and when the interlocking block 23 is not limited, it can push the push plate 21 through its own elasticity, so that the interlocking block 23 automatically extends out of the through-hole and inserts into the slot 12, reducing the manual pushing operation steps and improving assembly efficiency.

[0029] like Figure 2 As shown, the opening 14 has a sliding groove 15, a telescopic groove 16 and a placement groove 17, and the placement groove 17 communicates with the mounting cavity 13 and the telescopic groove 16.

[0030] It should be noted that the slide groove 15 provides a sliding track for the slider 32 of the extrusion assembly 30, ensuring that the extrusion block 31 can only rotate or move stably along the direction of the slide groove 15, and preventing the extrusion assembly 30 from losing control of the limiting assembly 40 due to shaking; the telescopic groove 16 provides vertical lifting space for the lifting block 41 of the limiting assembly 40, so that the lifting block 41 can descend under the pressure of the extrusion block 31, or rise under the elastic force of the spring 42, thereby realizing the position adjustment of the limiting rod 43; the placement groove 17 connects the mounting cavity 13 and the telescopic groove 16, providing a moving channel for the limiting rod 43: when the lifting block 41 rises or falls, the limiting rod 43 can enter the mounting cavity 13 from the telescopic groove 16 through the placement groove 17 (or return from the mounting cavity 13 to the telescopic groove 16), thereby realizing the limiting or releasing of the push plate 21, which is a key structure connecting the limiting assembly 40 and the splicing assembly 20.

[0031] like Figure 3 As shown, the extrusion assembly 30 includes an extrusion block 31, a slider 32 is fixedly connected to the outer ring of the extrusion block 31, and a slot 33 is formed on the side of the extrusion block 31 away from the mounting cavity 13. The slider 32 is slidably connected to the slot 15.

[0032] Specifically, the slider 32 is slidably connected to the groove 15, which not only restricts the movement range of the extrusion block 31 (it can only rotate or move slightly within the opening 14), but also reduces the friction when the extrusion block 31 rotates, making the operation more labor-saving; the slot 33 can be adapted to tools such as screwdrivers, making it convenient for operators to drive the extrusion block 31 to rotate (such as from a horizontal state to a vertical state) to extrude or release the lower lifting block 41, providing a convenient operating interface for manually controlling the limiting component 40; the extrusion block 31 changes the contact area with the lifting block 41 by rotating (such as when the end is vertical, the extrusion area is the largest, which can press the lifting block 41 to the lowest point; when the end is horizontal, the extrusion area is the smallest, which releases the lifting block 41), thus precisely controlling the height of the limiting component 40.

[0033] like Figure 3 and Figure 4 As shown, the limiting component 40 includes a lifting block 41 located below the extrusion block 31. The lifting block 41 is slidably connected to the telescopic groove 16, and a limiting rod 43 is fixedly connected to the side of the lifting block 41 near the mounting cavity 13. The limiting rod 43 is adapted to the placement groove 17 and the notch 22.

[0034] It should be noted that the lifting block 41 is slidably connected to the telescopic groove 16, ensuring that the lifting block 41 can only move up and down in the vertical direction of the telescopic groove 16, preventing the limiting rod 43 from being misaligned and failing to align with the placement groove 17 or the notch 22, thus ensuring the limiting accuracy. The limiting rod 43 is adapted to the placement groove 17 and the notch 22 and is the core component for realizing the limiting function: when the limiting rod 43 passes through the placement groove 17 and is engaged in the notch 22 of the push plate 21, it can prevent the push plate 21 from moving (limiting the extension and retraction of the interlocking block 23) and fix the forging die parts. The splicing state of 10; when the limiting rod 43 exits from the notch 22 and returns to the placement slot 17, the push plate 21 can move freely (the splicing block 23 can be extended and retracted), which facilitates the disassembly of the forging die 10; the height change of the lifting block 41 directly drives the position change of the limiting rod 43 (when rising, the limiting rod 43 is inserted into the notch 22, and when falling, it is disengaged from the notch 22), realizing the linkage logic of "the extrusion component 30 controls the lifting block 41 → the lifting block 41 controls the limiting rod 43 → the limiting rod 43 controls the splicing component 20".

[0035] like Figure 3 and Figure 4 As shown, a second spring 42 is fixedly connected to the bottom of the lifting block 41, and the bottom end of the second spring 42 is fixedly connected to the telescopic groove 16.

[0036] Specifically, spring 42 provides upward elastic support for lifting block 41. When the pressure of pressing block 31 on lifting block 41 is released (e.g., pressing block 31 rotates to a horizontal state), the elastic force of spring 42 can push lifting block 41 to rise automatically, so that limit rod 43 can quickly engage with notch 22 of push plate 21, realizing automatic limit and reducing manual adjustment steps. When pressing block 31 presses lifting block 41, spring 42 will be compressed and store elastic force, which not only buffers the pressure of pressing block 31 (avoiding hard contact that could damage the component), but also provides power for the subsequent reset of lifting block 41, ensuring the stability and reliability of the operation of limit component 40.

[0037] Working principle: A Phillips screwdriver is inserted into the slot 33. Since the slider 32 is in sliding engagement with the groove 15, the Phillips screwdriver can drive the pressing block 31 to rotate. When the end of the pressing block 31 is vertical with the lifting block 41, the lifting block 41 will be completely squeezed into the telescopic groove 16. At this time, the limiting rod 43 will move to a position horizontally aligned with the notch 22, and then push the interlocking block 23 to push it into the mounting cavity 13. When the interlocking block 23 is completely inside the through opening, the push plate 21 will also pass through the limiting rod 43. Then the pressing block 31 will be rotated again so that it is perpendicular to the lifting block 41. At this time, the lifting block 41 will be pushed up by the force of the second spring 42, so that the lifting block 41 is always in contact with the shell wall of the pressing block 31. The limiting rod 43 will also rise above the notch 22, thereby limiting the spring 24 from pushing the push plate 21 to move the interlocking block 23 to the outside of the through opening.

[0038] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. A device for rapid replacement of axle forging dies, characterized in that, It includes at least three forging die parts (10) assembled together. The forging die parts (10) are equipped with an interlocking assembly (20), an extrusion assembly (30) and a limiting assembly (40). The extrusion assembly (30) is used to limit the height of the limiting assembly (40), and the limiting assembly (40) is used to limit the position of the interlocking assembly (20). An installation cavity (13) is provided inside the forging die split (10) located in the middle. Openings (14) are provided on both sides of the installation cavity (13). Through openings and slots (12) are provided on the left and right sides of the forging die split (10). The through openings are connected to the installation cavity (13). The splicing assembly (20) includes a push plate (21), on both sides of the push plate (21) are fixedly connected a splicing block (23) and a spring (24), and both sides of the push plate (21) are provided with notches (22).

2. The axle forging die quick change apparatus of claim 1, wherein, The push plate (21) is slidably connected to the mounting cavity (13), the interlocking block (23) passes through the through opening, and the interlocking block (23) is adapted to the slot (12), and the spring (24) is fixedly connected to the side wall of the mounting cavity (13).

3. The axle forging die quick change apparatus of claim 1, wherein, The opening (14) is provided with a sliding groove (15), a telescopic groove (16) and a placement groove (17), and the placement groove (17) communicates with the mounting cavity (13) and the telescopic groove (16).

4. The axle forging die quick change apparatus of claim 3, wherein, The extrusion assembly (30) includes an extrusion block (31), the outer ring of which is fixedly connected to a slider (32), and a slot (33) is formed on the side of the extrusion block (31) away from the mounting cavity (13), and the slider (32) is slidably connected to the slot (15).

5. The axle forging die quick change apparatus of claim 4, wherein, The limiting component (40) includes a lifting block (41) located below the extrusion block (31), the lifting block (41) being slidably connected to the telescopic groove (16), and a limiting rod (43) being fixedly connected to the side of the lifting block (41) near the mounting cavity (13), the limiting rod (43) being adapted to the placement groove (17) and the notch (22).

6. The axle forging die quick change device of claim 5, wherein, The bottom of the lifting block (41) is fixedly connected to a spring (42), and the bottom end of the spring (42) is fixedly connected to the telescopic groove (16).

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