A forging die for an automobile rotating shaft
By designing a detachable jet structure, the problem of blind spots during the cleaning process of forging dies was solved, enabling flexible adjustment of the jet range and improved sealing, thus adapting to the needs of different dies.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN MINGRUIXUAN METAL TECH CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-06-12
AI Technical Summary
Blind spots exist in the cleaning process of forging dies, which prevents the air jet head from effectively covering all cleaning surfaces of the die, and it is particularly unsuitable for different dies.
A structure including a moving block, a screw, a nut, and a threaded tube was designed, which allows the jetting structure to be flexibly adjusted according to the mold length. The pipe can be replaced through the detachable connection between the screw and the moving block, and the coverage and sealing of the jetting range are ensured through the threaded connection and sealing ring.
It enables flexible adjustment of the jetting range, covering all cleaning surfaces of the mold, solving the adaptability problem of different molds, and improving the sealing performance and ease of replacement of the jetting head.
Smart Images

Figure CN224346877U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of forging technology, specifically a forging die for an automobile shaft. Background Technology
[0002] Forging is a processing method that uses forging machinery to apply pressure to a metal billet, causing it to undergo plastic deformation to obtain forgings with certain mechanical properties, shapes, and dimensions.
[0003] Automotive axles are manufactured by forging. A red-hot billet is placed on a forging die, and the billet is processed into automotive axle material using forging equipment.
[0004] After forging, forging dies leave shavings on the forging surface. When cleaning the shavings, a moving air nozzle blows them away. However, since the length of the pipe connecting the air nozzle is fixed, there are blind spots in the cleaning surface of the dies for different dies.
[0005] In view of this, we propose a forging die for automotive shafts. Utility Model Content
[0006] The purpose of this invention is to provide a forging die for automotive shafts to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a forging die for an automotive shaft, comprising a lower die body, a blower body, and a screw. A connecting plate is provided on one side of the die base of the lower die body. A linear module is fixedly provided on the connecting plate. A moving block is fixedly provided on the movable section of the linear module. A pipe is provided on one side of the top of the moving block. The air inlet end of the pipe is connected to the blower body through a connecting pipe. Multiple air jet structures are provided on the pipe.
[0008] One end of the screw is fixedly connected to one end of the pipe. The screw passes through the hole at the top of the movable block. Nuts A and B are threaded onto both ends of the screw, and nut A and nut B respectively abut against the two sides of the top of the movable block.
[0009] Preferably, the connecting plate is L-shaped and is engaged with the top of one side of the lower mold body base. The longitudinal section of the connecting plate is fixedly connected to one side of the lower mold body base by bolts. A baffle is fixedly provided at one end of the connecting plate, and the baffle is engaged with the lower mold body base for limiting movement.
[0010] Preferably, the jet structure includes a threaded tube and a jet pipe, the threaded tube is fixedly disposed at the air outlet of the pipeline, and the external thread of the insertion end of the jet pipe is threadedly connected to the threaded tube.
[0011] Preferably, a jet head is fixedly provided at the outlet end of the jet pipe, and the jet head is fan-shaped.
[0012] Preferably, a sealing ring is fitted onto the jet pipe, and the sealing ring abuts against the end of the threaded pipe.
[0013] Preferably, a plug ring is fixedly provided at the end of the threaded pipe, and the plug ring is inserted into and engaged with an annular groove opened on the abutting side of the sealing ring.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This utility model, by setting a moving block, screw, nut A and nut B, has the advantage of selecting a suitable pipe according to the length of the forging surface of the forging die, and replacing the pipe through the detachable structure on the top of the screw and the moving block, so that the blowing range of multiple air jet structures covers the forging surface of the forging die, thus solving the problem that the cleaning surface of the air jet head is prone to blind spots for different dies.
[0016] 2. This utility model has the advantages of convenient replacement of the threaded connection between the jet pipe and the threaded pipe, and the fan-shaped jet head expanding the jet range by setting up a threaded pipe, jet pipe and jet head.
[0017] 3. This utility model has the advantage of strengthening the sealing performance at the joint between the jet pipe and the threaded pipe by setting a sealing ring and a insertion ring. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 For the present utility model Figure 1 Enlarged view of point A;
[0020] Figure 3 This is a schematic diagram of the connection structure of the connecting plate of this utility model;
[0021] Figure 4 This is a schematic diagram of the jet structure of this utility model;
[0022] Figure 5 This is a cross-sectional view of the connection structure of the sealing ring and the insert ring of this utility model.
[0023] In the diagram: 100, lower mold body; 200, connecting plate; 300, baffle; 400, linear module; 500, moving block; 600, pipe; 700, air jet structure; 800, connecting pipe; 900, blower body; 1000, screw; 1100, nut A; 1200, nut B; 1300, bolt;
[0024] 701. Threaded pipe; 702. Jet pipe; 703. Jet head; 704. Sealing ring; 705. Insert ring;
[0025] 7021, External thread. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1, please refer to Figures 1 to 3 This utility model provides an embodiment of a forging die for an automotive shaft, comprising a lower die body 100, a blower body 900, and a screw 1000. A connecting plate 200 is provided on one side of the die base of the lower die body 100. The connecting plate 200 is L-shaped and engages with the top of one side of the die base of the lower die body 100. The longitudinal section of the connecting plate 200 is fixedly connected to one side of the die base of the lower die body 100 by bolts 1300, which pass through the connecting plate 200. The hole in the longitudinal section 0 is screwed into the screw hole on one side of the mold base of the lower mold body 100. The setting of bolt 1300 makes the connecting plate 200 detachable. A baffle 300 is fixedly set at one end of the connecting plate 200. The baffle 300 is matched with the mold base of the lower mold body 100. After the connecting plate 200 is engaged with the top of one side of the mold base of the lower mold body 100, the position of the connecting plate 200 is adjusted until the baffle 300 contacts the mold base of the lower mold body 100, so that the bolt 1300 is installed in the accurate position.
[0028] A linear module 400 is fixedly mounted on the connecting plate 200. The linear module 400 includes a slide rail, a slide table, a lead screw, a nut, a stepper motor, and a support frame. The stepper motor drives the lead screw to rotate, and the nut moves along the lead screw, thereby driving the slide table to move along the slide rail. A moving block 500 is fixedly mounted on the slide table of the linear module 400. When the slide table moves, it drives the moving block 500 to move. A pipe 600 is provided on one side of the top of the moving block 500. The air inlet end of the pipe 600 is connected to the blower body 900 through a connecting pipe 800. The blower body 900 is selected and used by the technical personnel of this profession according to the actual situation. Multiple air jet structures 700 are provided on the pipe 600. When the blower body 900 is working, there is gas flow in the connecting pipe 800. After the gas enters the pipe 600, it is ejected from the air jet structures 700. The gas blows away the slag remaining on the forging surface of the forging die.
[0029] One end of the screw 1000 is fixedly connected to one end of the pipe 600. The screw 1000 passes through a hole in the top of the movable block 500. Nuts A1100 and B1200 are threaded onto both ends of the screw 1000, respectively, and nut A1100 and nut B1200 abut against the two sides of the top of the movable block 500. After the screw 1000 passes through the hole in the top of the movable block 500, nut B1200 is screwed onto the end of the screw 1000 through which it passes. Nuts A1100 and B1200 are then turned until they contact the two sides of the top of the movable block 500, thereby fixing the screw 1000 to the top of the movable block 500.
[0030] This utility model, by setting up a moving block 500, a screw 1000, a nut A1100, and a nut B1200, has the advantage of selecting a suitable pipe 600 according to the length of the forging surface of the forging die, and replacing the pipe 600 by corresponding to the detachable structure on the top of the screw 1000 and the moving block 500, so that the blowing range of multiple air jet structures 700 can cover the forging surface of the forging die, thus solving the problem that there are blind spots in the cleaning surface of the die by air jets for different dies.
[0031] Example 2, please refer to Figure 1 , Figure 4 and Figure 5 This utility model provides an embodiment of a forging die for an automotive axle. The jetting structure 700 includes a threaded pipe 701 and a jetting pipe 702. The threaded pipe 701 is fixedly installed at the air outlet of a pipe 600, and its inner cavity communicates with the inner cavity of the pipe 600. An external thread 7021 at the insertion end of the jetting pipe 702 is threadedly connected to the threaded pipe 701, facilitating replacement. Gas ejected from the pipe 600 passes through the threaded pipe 701 and the jetting pipe 702, blowing away residual slag on the forging surface of the forging die. A jetting head 703, fan-shaped, is fixedly installed at the air outlet end of the jetting pipe 702. Gas is ejected from the fan-shaped jetting head 703, expanding the jetting range.
[0032] This utility model, by setting up a threaded pipe 701, an air jet pipe 702 and an air jet head 703, has the advantages of easy replacement of the threaded connection between the air jet pipe 702 and the threaded pipe 701, and the fan-shaped air jet head 703 expanding the air jet range.
[0033] A sealing ring 704 is fitted onto the jet pipe 702, and the sealing ring 704 abuts against the end of the threaded pipe 701. An insert ring 705 is fixedly provided at the end of the threaded pipe 701, and the insert ring 705 is inserted into an annular groove on the abutting side of the sealing ring 704. After the threaded pipe 701 and the jet pipe 702 are connected, the insert ring 705 is inserted into the annular groove on the abutting side of the sealing ring 704, and the sealing ring 704 abuts against the end of the threaded pipe 701, sealing the joint between the jet pipe 702 and the threaded pipe 701.
[0034] This invention, by setting a sealing ring 704 and a plug ring 705, has the advantage of enhancing the sealing performance at the joint between the jet pipe 702 and the threaded pipe 701.
[0035] Working principle: Based on the length of the forging surface of the forging die, a suitable pipe 600 is selected. The screw 1000 passes through the hole at the top of the moving block 500. Nut B1200 is screwed onto the end through which the screw 1000 passes. Nuts A1100 and B1200 are then tightened until they contact the top sides of the moving block 500. After the forging die forges the automobile axle, the forging die opens, the blower body 900 operates, and gas flows in the connecting pipe 800. Gas enters the pipe 600 and passes through the threaded pipe 701 and the jet pipe 702. The gas is then ejected from the jet nozzle 703. The linear module 400 drives the moving block 500 to move. The pipe 600 passes between the lower die body 100 and the corresponding upper die body. Gas is ejected from the fan-shaped jet nozzle 703, blowing away the residual slag on the forging surface of the forging die.
[0036] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A forging die for an automobile shaft, characterized in that: The device includes a lower mold body (100), a blower body (900), and a screw (1000). A connecting plate (200) is provided on one side of the mold base of the lower mold body (100). A linear module (400) is provided on the connecting plate (200). A moving block (500) is provided on the movable section of the linear module (400). A pipe (600) is provided on one side of the top of the moving block (500). The air inlet end of the pipe (600) is connected to the blower body (900) through a connecting pipe (800). Multiple air jet structures (700) are provided on the pipe (600). One end of the screw (1000) is connected to one end of the pipe (600). The screw (1000) passes through the hole at the top of the movable block (500). Nuts A (1100) and B (1200) are threaded onto both ends of the screw (1000). Nuts A (1100) and B (1200) abut against the top two sides of the movable block (500).
2. The forging die for an automobile shaft according to claim 1, characterized in that: The connecting plate (200) is L-shaped and is engaged with the top of one side of the mold base of the lower mold body (100). The longitudinal section of the connecting plate (200) is connected to one side of the mold base of the lower mold body (100) by bolts (1300). A baffle (300) is fixedly provided at one end of the connecting plate (200), and the baffle (300) is engaged with the mold base of the lower mold body (100) for limiting.
3. The forging die for an automobile shaft according to claim 1, characterized in that: The jet structure (700) includes a threaded tube (701) and a jet pipe (702). The threaded tube (701) is located at the air outlet of the pipe (600), and the external thread (7021) at the insertion end of the jet pipe (702) is threadedly connected to the threaded tube (701).
4. The forging die for an automobile shaft according to claim 3, characterized in that: The outlet end of the jet pipe (702) is provided with a jet head (703), which is fan-shaped.
5. A forging die for an automotive shaft according to claim 3, characterized in that: A sealing ring (704) is fitted onto the jet pipe (702), and the sealing ring (704) abuts against the end of the threaded pipe (701).
6. A forging die for an automotive shaft according to claim 5, characterized in that: The threaded tube (701) is provided with a plug ring (705) at its end, and the plug ring (705) is inserted into and cooperates with the annular groove opened on the abutting side of the sealing ring (704).