Supporting shaft forging die with deviation rectifying mechanism
By designing a deviation correction mechanism in the support shaft forging mold and adjusting the punch position using the servo motor and gear system, the problem of punch position offset during forging is solved, and the forging quality and the convenience of use of the mold are improved.
Patent Information
- Application Number
- CN202421463567.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-06-25
AI Technical Summary
During the forging process, existing forging molds are prone to offset the punch position due to reaction force, which affects the processing quality.
A support shaft forging mold with a bias correction mechanism is designed, using a servo motor, pinion, large gear and adjustment mechanism. Through the rotation of the large gear and the adjustment of the adjustment mechanism, the position of the punch can be adjusted in time to ensure the forging quality.
Multi-directional adjustment of punch position is achieved, reducing processing quality caused by offset, and facilitating mold release.
Smart Images

Figure CN222999602U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of forging dies, and in particular to a forging die for a support shaft with a deviation correction mechanism. Background Art
[0002] Forging of shaft forgings, such as support shafts, often requires the use of dies. Dies generally consist of an upper die and a lower die. During forging, the metal material is placed between the upper die and the lower die. Through the pressure applied by the forging machine, the upper die continuously impacts the part in the die hole, and finally a forging is formed.
[0003] In the prior art, the Chinese utility model patent with the authorization announcement number CN220554882U discloses "a forging die for shaft forgings to prevent deviation", which includes a lower die and a moving plate. A die hole is opened in the middle of the lower die. A drag plate is arranged at the bottom end inside the die hole. A through hole is opened on the lower die at the bottom of the die hole. A first cylinder is fixedly arranged at the bottom of the lower die. A control rod is fixedly connected to the output end of the first cylinder. The control rod passes through the through hole and is fixedly connected to the bottom end of the drag plate.
[0004] Although the forging die of the prior art can prevent the lower die from deviating during use, with the punch continuously hitting the blank, due to the influence of the reaction force, the position of the punch is likely to deviate. If not adjusted in time, the processing quality will surely be reduced.
[0005] To solve the above problems, a forging die for a support shaft with a deviation correction mechanism is proposed in this application. Utility Model Content
[0006] To solve the problem that the position of the punch is likely to deviate, this application provides a forging die for a support shaft with a deviation correction mechanism.
[0007] The forging die for a support shaft with a deviation correction mechanism provided by this application adopts the following technical solutions:
[0008] A forging die for a support shaft with a deviation correction mechanism includes a forging die main body and a punch. A forming die cavity is opened in the forging die main body, and further includes:
[0009] A lifting plate, which is controlled by a press to move in the vertical direction;
[0010] A large gear, which is rotatably installed on the bottom surface of the lifting plate. The punch is movably installed at the bottom of the large gear, and an adjustment mechanism is installed on the large gear to adjust the horizontal orientation of the punch.
[0011] Preferably, it further includes:
[0012] A pinion gear, which is rotatably mounted on the bottom surface of the lifting plate and meshes with the large gear;
[0013] A servo motor, which is fixed on the lifting plate and used to drive the pinion gear to rotate.
[0014] Preferably, it further includes:
[0015] A guide rod, an arc-shaped sliding hole is formed on the large gear, and the guide rod is fixed on the bottom surface of the lifting plate and penetrates through the arc-shaped sliding hole.
[0016] Preferably, a limit block is fixed at the bottom end of the guide rod.
[0017] Preferably, the adjusting mechanism includes:
[0018] Two second fixing plates, which are symmetrically fixed on the bottom surface of the large gear;
[0019] A threaded rod, which is rotatably mounted between the two second fixing plates, and the threaded rod penetrates through the punch and is connected to the punch by screw thread engagement;
[0020] An adjusting nut, which is fixed at the end of the threaded rod.
[0021] Preferably, the forging die body includes a left half die and a right half die, the left half die and the right half die are arranged oppositely and have a freedom of movement in opposite horizontal directions.
[0022] Preferably, it further includes:
[0023] A base;
[0024] Two inverted L-shaped guide rails, which are symmetrically fixed on the base, and a T-shaped guide chute is formed between the two inverted L-shaped guide rails;
[0025] A T-shaped slider, which is fixed at the bottom ends of the left half die and the right half die and is embedded in the T-shaped guide chute;
[0026] Two first fixing plates, which are symmetrically fixed on the base;
[0027] A bidirectional screw rod, which is rotatably mounted between the two first fixing plates, and the bidirectional screw rod penetrates through the T-shaped slider and is connected to the T-shaped slider by screw thread engagement;
[0028] A driving motor, which is fixed on the first fixing plate and used to drive the bidirectional screw rod to rotate.
[0029] Preferably, a positioning insertion rod is fixed to the end face of the right half-mold, and a positioning slot for the positioning insertion rod to be inserted into is formed on the left half-mold.
[0030] Preferably, air-permeable micropores are formed on both the left half-mold and the right half-mold.
[0031] In summary, the present application includes the following beneficial technical effects:
[0032] 1. Through the provided servo motor, small gear, large gear, and adjustment mechanism, when the position of the punch is offset, it can be adjusted in time to ensure the forging quality, and it can be adjusted in multiple directions;
[0033] 2. By setting the left half-mold and the right half-mold to be butted to form the forging die body, it is convenient for demolding.
[0034] Other additional advantages and beneficial effects of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. Description of the Drawings
[0035] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0036] Figure 2 is an axonometric structural schematic diagram of the punch of the present utility model;
[0037] Figure 3 is the present utility model Figure 1 is an enlarged structural schematic diagram at A of;
[0038] Figure 4 is an unfolded structural schematic diagram of the left half-mold and the right half-mold of the present utility model.
[0039] Description of the reference numerals: 1. Base; 2. Left half-mold; 201. Forming cavity; 202. Positioning slot; 3. Right half-mold; 301. Air-permeable micropore; 302. Positioning insertion rod; 4. Punch; 5. Lifting plate; 6. Inverted L-shaped guide rail; 601. T-shaped guiding chute; 7. T-shaped slider; 8. Bidirectional screw; 9. First fixing plate; 10. Driving motor; 11. Large gear; 111. Arc-shaped sliding hole; 12. Guide rod; 13. Limiting block; 14. Second fixing plate; 15. Threaded rod; 16. Adjusting nut; 17. Small gear; 18. Servo motor. Detailed Description of the Embodiment
[0040] The following is a further detailed description of the present application in combination with the attached Figures 1-4 drawings.
[0041] The embodiment of the present application discloses a forging die for a support shaft with a deviation correction mechanism. Refer to Figures 1-4, A forging die for a support shaft with a deviation correction mechanism, comprising a forging die body and a punch 4. A forming die cavity 201 is provided in the forging die body, and further comprising: a lifting plate 5 and a large gear 11.
[0042] Specifically, as shown by Figure 1 and Figure 2 , the lifting plate 5 is controlled by a press to move in the vertical direction. The large gear 11 is rotatably installed on the bottom surface of the lifting plate 5. The punch 4 is movably installed at the bottom of the large gear 11. And an adjustment mechanism is installed on the large gear 11 for adjusting the horizontal orientation of the punch 4. Therefore, when the position of the punch 4 is offset, the large gear 11 can be rotated according to the offset direction, and the horizontal orientation of the punch 4 can be adjusted through the adjustment mechanism, which is convenient for timely adjustment, ensuring the forging quality, and can be adjusted in multiple directions.
[0043] Furthermore, as shown by Figure 1 and Figure 2 , in this embodiment, it further comprises: a small gear 17 and a servo motor 18. The small gear 17 is rotatably installed on the bottom surface of the lifting plate 5 and meshes with the large gear 11. The servo motor 18 is fixed on the lifting plate 5 for driving the small gear 17 to rotate. When the servo motor 18 is started to drive the small gear 17 to rotate, under the meshing action, the small gear 17 drives the large gear 11 to rotate.
[0044] Optionally, as shown by Figure 1 and Figure 2 , in this embodiment, it further comprises: a guide rod 12. An arc-shaped sliding hole 111 is provided on the large gear 11. The guide rod 12 is fixed on the bottom surface of the lifting plate 5 and penetrates through the arc-shaped sliding hole 111. The guide rod 12 cooperates with the arc-shaped sliding hole 111 to guide the rotation of the large gear 11, ensuring the stability of the large gear 11 and restricting the rotation range of the large gear 11 at the same time.
[0045] Optionally, as shown by Figure 1 and Figure 2 , in this embodiment, a limit block 13 is fixed at the bottom end of the guide rod 12 for supporting and limiting the large gear 11 from the bottom end, further improving the stability of the large gear 11.
[0046] Optionally, as shown by Figure 1 and Figure 2 , in this embodiment, the adjustment mechanism comprises: a second fixing plate 14, a threaded rod 15 and an adjustment nut 16. Two second fixing plates 14 are symmetrically fixed on the bottom surface of the large gear 11. The threaded rod 15 is rotatably installed between the two second fixing plates 14, and the threaded rod 15 penetrates through the punch 4 and is connected to the punch 4 in a threaded engagement manner. The adjustment nut 16 is fixed at the end of the threaded rod 15. By rotating the adjustment nut 16 to rotate the threaded rod 15, under the threaded engagement action, the punch 4 moves in the horizontal direction.
[0047] Preferably, Figure 1 As shown, in this embodiment, the forging die body includes a left half die 2 and a right half die 3. The left half die 2 and the right half die 3 are oppositely arranged and have moving freedoms in opposite horizontal directions. By setting the left half die 2 and the right half die 3 to dock to form the forging die body, it is convenient for demolding.
[0048] Optionally, Figure 1 As shown, in this embodiment, it further includes: a base 1, an inverted L-shaped guide rail 6, a T-shaped slider 7, a first fixing plate 9, a bidirectional screw 8, and a driving motor 10. Two inverted L-shaped guide rails 6 are symmetrically fixed on the base 1, and a T-shaped guiding chute 601 is formed between the two inverted L-shaped guide rails 6. The T-shaped slider 7 is fixed at the bottom ends of the left half die 2 and the right half die 3 and is embedded in the T-shaped guiding chute 601. Two first fixing plates 9 are symmetrically fixed on the base 1. The bidirectional screw 8 is rotatably installed between the two first fixing plates 9, and the bidirectional screw 8 penetrates through the T-shaped slider 7 and is connected to the T-shaped slider 7 by a threaded engagement method. The driving motor 10 is fixed on the first fixing plate 9 for driving the bidirectional screw 8 to rotate. When the driving motor 10 is started to drive the bidirectional screw 8 to rotate, under the action of the threaded engagement, the left half die 2 and the right half die 3 move in opposite directions horizontally.
[0049] Optionally, Figure 1 、 Figure 3 and Figure 4 As shown, in this embodiment, a positioning insertion rod 302 is fixed on the end face of the right half die 3, and a positioning slot 202 for the positioning insertion rod 302 to be embedded is formed on the left half die 2. After the left half die 2 and the right half die 3 are docked, the positioning insertion rod 302 is embedded in the positioning slot 202 to position the left half die 2 and the right half die 3, ensuring the reliability of the docking position and the stability of the docking between the left half die 2 and the right half die 3.
[0050] Preferably, Figure 1 As shown, in this embodiment, air-permeable microholes 301 are formed on both the left half die 2 and the right half die 3, so as to discharge the air in the forming die cavity 201 during forging and avoid the influence of the air being unable to be discharged on the forging quality.
[0051] It should be noted that both the driving motor 10 and the servo motor 18 are commercially available conventional devices with built-in power switches. Those skilled in the art can make conventional selections according to the usage needs. Their working principles are common knowledge well-known to those skilled in the art and have been fully disclosed by the prior art, so they will not be elaborated too much herein.
[0052] The implementation principle of a support shaft forging die with a deviation correction mechanism in an embodiment of the present application is: during use, first perform preliminary upsetting on the blank to form a bar of appropriate size;
[0053] Start the drive to rotate the bidirectional screw 8, so that the left half mold 2 and the right half mold 3 approach each other under the action of screw thread engagement to achieve mold clamping;
[0054] Place the bar stock in the forming cavity 201, the lifting plate 5 moves vertically under the control of a press, and continuously forge the bar stock with the punch 4 to achieve forging;
[0055] After forging is completed, start the drive to rotate the bidirectional screw 8, so that the left half mold 2 and the right half mold 3 move away from each other under the action of screw thread engagement, facilitating the removal of the support shaft blank in the forming cavity 201;
[0056] When the position of the punch 4 is offset, the servo motor 18 can be started to drive the small gear 17 to rotate according to the offset direction. Under the meshing action, the small gear 17 drives the large gear 11 to rotate, adjust the position of the punch 4, and adjust the horizontal orientation of the punch 4 through the adjustment mechanism, so that the punch 4 reliably corresponds to the forming cavity 201, facilitating timely adjustment, ensuring the forging quality, and allowing adjustment in multiple directions.
[0057] Finally, several points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. "Up", "down", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change;
[0058] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0059] Finally: The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
[0060] The above are all the preferred embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.
Claims
1. A support shaft forging die with a deviation correction mechanism, comprising a forging die body and a punch (4), wherein a forming die cavity (201) is provided in the forging die body, characterized in that: Also includes: A lifting plate (5), wherein the lifting plate (5) is controlled by a press machine to move in a vertical direction; A large gear (11) is rotatably mounted on the bottom surface of the lifting plate (5), the punch (4) is movably mounted on the bottom of the large gear (11), and an adjustment mechanism is mounted on the large gear (11) for adjusting the horizontal position of the punch (4).
2. The support shaft forging die with a deviation correction mechanism according to claim 1, characterized in that: Also includes: A small gear (17), the small gear (17) is rotatably mounted on the bottom surface of the lifting plate (5) and meshes with the large gear (11); A servo motor (18), wherein the servo motor (18) is fixed on the lifting plate (5) and is used to drive the pinion (17) to rotate.
3. The support shaft forging die with a deviation correction mechanism according to claim 1, characterized in that: Also includes: A guide rod (12) is provided with an arc-shaped sliding hole (111) on the large gear (11); the guide rod (12) is fixed to the bottom surface of the lifting plate (5) and passes through the arc-shaped sliding hole (111).
4. The support shaft forging die with a deviation correction mechanism according to claim 3, characterized in that: A limiting block (13) is fixed at the bottom end of the guide rod (12).
5. The support shaft forging die with a deviation correction mechanism according to claim 1, characterized in that: The adjustment mechanism comprises: A second fixing plate (14), wherein two of the second fixing plates (14) are symmetrically fixed on the bottom surface of the large gear (11); A threaded rod (15), wherein the threaded rod (15) is rotatably mounted between the two second fixing plates (14), and the threaded rod (15) passes through the punch (4) and is connected to the punch (4) by means of a threaded engagement; An adjusting nut (16) is fixed to the end of the threaded rod (15).
6. The support shaft forging die with a deviation correction mechanism according to claim 1, characterized in that: The forging die body comprises a left half die (2) and a right half die (3), wherein the left half die (2) and the right half die (3) are arranged opposite to each other and have opposite degrees of freedom of movement in horizontal directions.
7. The support shaft forging die with a deviation correction mechanism according to claim 6, characterized in that: Also includes: Base (1); An inverted L-shaped guide rail (6), wherein two of the inverted L-shaped guide rails (6) are symmetrically fixed on the base (1), and a T-shaped guide groove (601) is formed between the two inverted L-shaped guide rails (6); A T-shaped slider (7), the T-shaped slider (7) being fixed to the bottom ends of the left half mold (2) and the right half mold (3) and embedded in the T-shaped guide groove (601); A number one fixing plate (9), wherein two number one fixing plates (9) are symmetrically fixed on the base (1); A bidirectional screw (8), wherein the bidirectional screw (8) is rotatably mounted between the two first fixing plates (9), and the bidirectional screw (8) passes through the T-shaped slider (7) and is connected to the T-shaped slider (7) by screwing; A driving motor (10) is fixed on the first fixing plate (9) and is used to drive the bidirectional screw (8) to rotate.
8. The support shaft forging die with a deviation correction mechanism according to claim 7, characterized in that: A positioning rod (302) is fixed on the end surface of the right half mold (3), and a positioning slot (202) for the positioning rod (302) to be inserted is provided on the left half mold (2).
9. The support shaft forging die with a deviation correction mechanism according to claim 8, characterized in that: Air-permeable micropores (301) are provided on both the left half mold (2) and the right half mold (3).
Citation Information
Patent Citations
Anti-deviation forging die for shaft forgings
CN220554882U