A bevel gear precision forging production equipment

Abstract

The present invention relates to the technical field of warm precision forging of bevel gears, and discloses a precision forging production device for bevel gears, including a production equipment table. A press is fixedly connected to the upper side of the production equipment table, a support plate is fixedly connected to the left side of the press, and a hydraulic telescopic rod is fixedly connected to the lower side of the support plate. In this precision forging production device for bevel gears, when the buffer plate is pressed and slides downward, under the primary elastic buffering effect of the second spring, while the buffer plate receives a vertical buffering force, the elastic force of the third spring enables the buffer plate to act through the rectangular plate, the connecting plate, and the buffer block, thereby ensuring that the third spring and the second spring can achieve a good buffering effect on the buffer plate, ensuring the buffering performance when the bevel gear die and the placement bucket are used for bevel gear pressing, and better protecting the interior of the placement bucket and the production equipment table from being damaged due to excessive vibration.

Description

Technical Field

[0001] The present invention relates to the technical field of warm precision forging of bevel gears, and specifically to a precision forging production device for bevel gears. Background Art

[0002] Bevel gears are used to transmit motion and power between two intersecting shafts. In general machinery, the included angle between the two shafts of bevel gears is equal to 90 degrees (but it can also be not equal to 90 degrees). Similar to cylindrical gears, bevel gears have a pitch cone, a tooth tip cone, a tooth root cone, and a base cone.

[0003] Precision forging refers to a manufacturing process in which forging is carried out by die forging technology on a press, obtaining indicators such as shape, dimensional tolerance, and surface quality that exceed those of ordinary forging, and the subsequent machining allowance and number of passes can be reduced. According to the deformation temperature during metal forming, precision forging can be divided into cold precision forging, warm precision forging, hot precision forging, and isothermal precision forging processes. According to the flow condition of metal during deformation, precision forging can be divided into open-die precision forging and closed-die precision forging processes.

[0004] In the production pressing of a kind of warm precision forging of bevel gears, when most of the existing production equipment lines press bevel gears, since warm precision forging is carried out to press bevel gears, during the pressing process, due to the press, the bevel gear die and the placement barrel are stamped, and then under the drive of the press, the bevel gear die will cause great vibration to the production equipment table, and then the vibration will cause damage to the production equipment table and related structures, and then the service life of the production equipment table will be greatly shortened, and then it will also cause serious problems such as shutdown and production suspension caused by the damage. Summary of the Invention

[0005] (I) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the present invention provides a precision forging production device for bevel gears, which has the advantages of better protecting the interior of the placement barrel and the production equipment table from being greatly vibrated and thus causing internal damage, etc., and solves the problems that the service life of the production equipment table is greatly shortened and then it will also cause shutdown and production suspension caused by the damage.

[0007] (II) Technical Solutions

[0008] To achieve the above object, the present invention provides the following technical solution: A bevel gear precision forging production device, including a production equipment table, on the upper side of the production equipment table is fixedly connected with a press, on the left side of the press is fixedly connected with a support plate, on the lower side of the support plate is fixedly connected with a hydraulic telescopic rod, and at the lower end of the hydraulic telescopic rod is fixedly connected with a bevel gear mold. There is a mold groove on the upper side of the production equipment table, and a sliding groove communicating with the mold groove is opened on the upper side of the production equipment table. Inside the mold groove is slidably connected with a placement bucket, on the surface of the placement bucket is fixedly connected with a sliding plate, on the lower side of the placement bucket is fixedly connected with a buffer plate, and a protective device is arranged under the buffer plate, and a buffer device is arranged inside the protective device.

[0009] Preferably, the sliding groove and the sliding plate are both in an arc-shaped T shape, the shapes of the sliding groove and the sliding plate match, and the surface of the buffer plate is slidably connected inside the mold groove.

[0010] Preferably, the protective device includes a buffer column, the upper end of the buffer column is fixedly connected to the lower side of the buffer plate, the surface of the buffer column is slidably sleeved with a first spring, the lower side of the buffer plate is fixedly connected with an auxiliary rod, the surface of the auxiliary rod is slidably sleeved with a second spring, the lower end of the auxiliary rod is slidably connected inside the production equipment table, a buffer groove is opened inside the production equipment table, and a limiting groove communicating with the buffer groove is opened inside the production equipment table.

[0011] Preferably, the lower end of the buffer column is slidably connected inside the production equipment table, the upper and lower ends of the first spring are respectively fixedly connected to the lower side of the buffer plate and the inside of the production equipment table, and the upper and lower ends of the second spring are respectively fixedly connected to the lower side of the buffer block and the inside of the production equipment table.

[0012] Preferably, a buffer block is slidably connected to the surface of the auxiliary rod, a groove is opened on the left side of the buffer block, and a connecting plate is rotatably connected inside the groove.

[0013] Preferably, the buffer device includes a rectangular plate, the surface of the rectangular plate is slidably connected inside the buffer groove and the limiting groove, a pulley is rotatably connected to the lower side of the rectangular plate, the surface of the pulley is rotatably connected inside the limiting groove, a third spring is fixedly connected to the left side of the rectangular plate, and the left end of the third spring is fixedly connected to the inside of the buffer groove.

[0014] Preferably, the limiting groove and the front end of the rectangular plate are both in a cross shape, and the upper side of the rectangular plate is rotatably connected to the left end of the connecting plate.

[0015] Preferably, an auxiliary block is fixedly connected to the rear side of the buffer plate. An auxiliary groove is formed inside the production equipment table. A lifting groove communicating with the auxiliary groove is formed inside the production equipment table. A sealing plate is slidably connected inside the lifting groove. A fourth spring is fixedly connected to the lower side of the sealing plate, and the lower end of the fourth spring is fixedly connected inside the lifting groove. A lifting plate is fixedly connected to the front side of the sealing plate.

[0016] Preferably, the lifting groove is in a T shape, and the surface of the lifting plate is slidably connected inside the lifting groove. A ventilation opening communicating with the lifting groove is formed at the rear side of the production equipment table.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the present invention provides a bevel gear precision forging production equipment, which has the following beneficial effects:

[0019] 1. In this bevel gear precision forging production equipment, when the buffer plate is pressed and slides downward, under the first-stage elastic buffering of the second spring, when the buffer plate receives a vertical buffering force, the buffer plate is further subjected to a buffering force from both ends through the elastic force of the third spring acting through the rectangular plate, connecting plate and buffer block. On the one hand, it buffers the buffer plate, and on the other hand, it reduces the negative pressure of the second spring, thereby ensuring that the third spring and the second spring can achieve a good buffering effect on the buffer plate, ensuring the buffering performance when the bevel gear die and the placement barrel are used for bevel gear pressing, and better protecting the interior of the placement barrel and the production equipment table from being damaged by large vibrations.

[0020] 2. In this bevel gear precision forging production equipment, when the placement barrel contacts and presses the bevel gear die, since the placement barrel drives the buffer plate to slide downward inside the die groove, when the buffer plate is pressed downward, the auxiliary block will squeeze the lifting plate, causing the lifting plate to drive the sealing plate to slide downward inside the lifting groove, and the sealing plate enters the bottom side of the lifting groove, opening the ventilation opening. In this way, when the placement barrel and the bevel gear die are pressed, due to the certain temperature inside, the temperature release during pressing will cause certain thermal expansion and contraction inside the production equipment table and deformation of the interior of the production equipment table. When the placement barrel and the bevel gear die are pressed, the auxiliary block drives the lifting plate and the sealing plate to open the ventilation opening, ensuring that the interior of the production equipment table can receive cold air for cooling. This method not only protects the interior of the production equipment table, but also cools the bevel gear die and the placement barrel through external air, thereby improving the efficiency of pressing bevel gears by the bevel gear die and the placement barrel.

[0021] 3. The bevel gear precision forging production equipment ensures that when the rectangular plate slides inside the buffer groove, it is not only restricted by the limiting groove but also slides smoothly inside the buffer groove by setting pulleys on the lower side of the rectangular plate, thereby reducing the frictional force and ensuring the reset function of the rectangular plate.

[0022] 4. The bevel gear precision forging production equipment ensures that when the rectangular plate slides inside the buffer groove, the rectangular plate will not slide out of the buffer groove due to the cross-shaped structure of the limiting groove and the rectangular plate, thereby playing a limiting role on the rectangular plate, ensuring that the rectangular plate remains in a straight line when sliding, and ensuring the stability of the sliding of the rectangular plate.

[0023] 5. After the bevel gear die enters the inside of the placement barrel, the bevel gear die squeezes the placement barrel and the buffer plate to slide down inside the die groove. Then, under the elastic force of the first spring, a buffer force is obtained between the bevel gear die and the placement barrel. This way avoids the traditional bevel gear directly impacting the bottom plate under the placement barrel during pressing, thereby ensuring a good buffer effect when the placement barrel and the bevel gear die are pressed, and achieving the function of primary shock absorption.

[0024] 6. Through the shape setting of the sliding groove and the sliding plate, the bevel gear precision forging production equipment ensures that when the sliding plate and the placement barrel slide up and down inside the sliding groove and the die groove, they have a stable sliding force. The sliding groove ensures that the sliding plate can slide down stably and quickly. Controlled by an external power source, the hydraulic telescopic rod drives the bevel gear die to move downward. Then, the bevel gear die set inside the bevel gear die extrudes and forms the material inside the placement barrel through heating. In this way, rapid pressing can be carried out under warm precision forging, thereby ensuring the high efficiency of bevel gear pressing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of a bevel gear precision forging production equipment of the present invention;

[0026] Figure 2 is a schematic structural diagram of the sliding groove of the present invention;

[0027] Figure 3 is a schematic structural diagram of the sliding plate of the present invention;

[0028] Figure 4 is a schematic structural diagram of the buffer plate of the present invention;

[0029] Figure 5 is a schematic structural diagram of the internal structure of the production equipment table of the present invention;

[0030] Figure 6 is a schematic structural diagram of the sealing plate of the present invention.

[0031] In the figure: 1 production equipment table, 2 press, 3 support plate, 4 hydraulic telescopic rod, 5 bevel gear die, 6 die groove, 7 sliding groove, 8 placing bucket, 9 sliding plate, 10 buffer plate, 11 buffer column, 12 first spring, 13 auxiliary rod, 14 buffer block, 15 second spring, 16 groove, 17 connecting plate, 18 buffer groove, 19 limiting groove, 20 rectangular plate, 21 pulley, 22 third spring, 23 auxiliary block, 24 auxiliary groove, 25 lifting groove, 26 sealing plate, 27 fourth spring, 28 lifting plate, 29 ventilation opening. Specific embodiments

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0033] Please refer to Figures 1-6 , the present invention provides a technical solution: a bevel gear precision forging production equipment, including a production equipment table 1, a press 2 is fixedly connected to the upper side of the production equipment table 1. The press 2 is a conventional structure and will not be elaborated here. A support plate 3 is fixedly connected to the left side of the press 2. A hydraulic telescopic rod 4 is fixedly connected to the lower side of the support plate 3. The lower end of the hydraulic telescopic rod 4 is fixedly connected to a bevel gear die 5. Both the hydraulic telescopic rod 4 and the bevel gear die 5 are conventional structures and will not be elaborated here. A die groove 6 is opened on the upper side of the production equipment table 1. A sliding groove 7 communicating with the die groove 6 is opened on the upper side of the production equipment table 1. The shape of the sliding groove 7 is an arc-shaped T shape. A placing bucket 8 is slidably connected inside the die groove 6. A sliding plate 9 is fixedly connected to the surface of the placing bucket 8. The shape of the sliding plate 9 is also an arc-shaped T shape. Through the shape settings of the sliding groove 7 and the sliding plate 9, it is ensured that the sliding plate 9 not only has the function of assisting sliding, but also has the function of limiting the up and down sliding of the placing bucket 8. Furthermore, when the sliding plate 9 and the placing bucket 8 slide up and down inside the sliding groove 7 and the die groove 6, they have a stable sliding force. Furthermore, through the sliding groove 7, it is ensured that the sliding plate 9 can slide down stably and quickly when sliding. Under the control of an external power source, the hydraulic telescopic rod 4 is driven by the press 2 to drive the bevel gear die 5 to move downward. Then, the bevel gear die arranged inside the bevel gear die extrudes and forms the material inside the placing bucket 8 through heating. In this way, it can be quickly pressed under warm precision forging, thereby ensuring the high efficiency of bevel gear pressing;

[0034] The lower side of the placement barrel 8 is fixedly connected with a buffer plate 10. The surface of the buffer plate 10 is slidably connected inside the die slot 6. The lower side of the buffer plate 10 is fixedly connected with a buffer column 11. The lower end of the buffer column 11 is slidably connected inside the production equipment table 1. The surface of the buffer column 11 is slidably sleeved with a first spring 12. The upper and lower ends of the first spring 12 are respectively fixedly connected to the lower side of the buffer plate 10 and the inside of the production equipment table 1. After the bevel gear die 5 enters the inside of the placement barrel 8, the bevel gear die 5 squeezes the placement barrel 8 and the buffer plate 10 to slide down inside the die slot 6. Then the first spring 12 is compressed. Then under the elastic force of the first spring 12, a buffer force is obtained between the bevel gear die 5 and the placement barrel 8. This way avoids the traditional bevel gear directly impacting the bottom plate on the lower side of the placement barrel 8 during pressing. Thus, it ensures that there is a good buffer effect when the placement barrel 8 and the bevel gear die 5 are pressed, and thus achieves the role of primary shock absorption;

[0035] The lower side of the buffer plate 10 is fixedly connected with an auxiliary rod 13. The lower end of the auxiliary rod 13 is slidably connected inside the production equipment table 1. The surface of the auxiliary rod 13 is slidably connected with a buffer block 14. The surface of the auxiliary rod 13 is slidably sleeved with a second spring 15. The upper and lower ends of the second spring 15 are respectively fixedly connected to the lower side of the buffer block 14 and the inside of the production equipment table 1. A groove 16 is opened on the left side of the buffer block 14. A connecting plate 17 is rotatably connected inside the groove 16. A buffer groove 18 is opened inside the production equipment table 1. A limiting groove 19 communicating with the buffer groove 18 is opened inside the production equipment table 1. The shape of the limiting groove 19 is cross-shaped. A rectangular plate 20 is slidably connected inside the buffer groove 18 and the limiting groove 19. The shape of the front side of the rectangular plate 20 is also cross-shaped. Through the cross shape of the limiting groove 19 and the rectangular plate 20, it is ensured that when the rectangular plate 20 slides inside the buffer groove 18, the rectangular plate 20 will not slide out of the buffer groove 18. Thus, it plays a role in limiting the rectangular plate 20. Thus, it ensures that the rectangular plate 20 remains in a straight line when sliding. Thus, it ensures the stability of the sliding of the rectangular plate 20;

[0036] The lower side of the rectangular plate 20 is rotatably connected with a pulley 21. The surface of the pulley 21 is rotatably connected inside the limiting groove 19. By arranging the pulley 21 on the lower side of the rectangular plate 20, the pulley 21 assists the rectangular plate 20 to slide. Thus, it is ensured that when the rectangular plate 20 slides inside the buffer groove 18, it not only receives the limiting effect of the limiting groove 19, but also ensures that the rectangular plate 20 can slide smoothly inside the buffer groove 18. Thus, the frictional force is reduced. Thus, the reset function of the rectangular plate 20 is ensured by reducing the frictional force;

[0037] A third spring 22 is fixedly connected to the left side of the rectangular plate 20. The left end of the third spring 22 is fixedly connected inside the buffer groove 18. The upper side of the rectangular plate 20 is rotatably connected to the left end of the connecting plate 17. When the buffer plate 10 is pressed and slides downward, under the first-stage elastic buffering effect of the second spring 15, when the buffer plate 10 receives a vertical buffering force, the elastic force of the third spring 22 causes the buffer plate 10, through the action of the rectangular plate 20, the connecting plate 17 and the buffer block 14, to make the elastic force of the third spring 22 act on the rectangular plate 20. The rectangular plate 20 will act on the connecting plate 17 and the buffer block 14 on the surface of the rectangular plate 20, so that the buffer plate 10 receives a buffering force from both ends. On the one hand, it plays a buffering role for the buffer plate 10, and on the other hand, it reduces the negative pressure of the second spring 15, thus ensuring that the third spring 22 and the second spring 15 can play a good buffering effect on the buffer plate 10, ensuring the buffering performance during the bevel gear pressing of the bevel gear die 5 and the placement bucket 8, and better protecting the internal damage caused by large vibrations to the placement bucket 8 and the production equipment table 1;

[0038] An auxiliary block 23 is fixedly connected to the rear side of the buffer plate 10. An auxiliary groove 24 is opened inside the production equipment table 1. A lifting groove 25 communicating with the auxiliary groove 24 is opened inside the production equipment table 1. The shape of the lifting groove 25 is T-shaped. A sealing plate 26 is slidably connected inside the lifting groove 25. A fourth spring 27 is fixedly connected to the lower side of the sealing plate 26. The lower end of the fourth spring 27 is fixedly connected inside the lifting groove 25. A lifting plate 28 is fixedly connected to the front side of the sealing plate 26. The surface of the lifting plate 28 is slidably connected inside the lifting groove 25. A ventilation opening 29 communicating with the lifting groove 25 is opened at the rear side of the production equipment table 1. When the placement bucket 8 contacts and presses the bevel gear die 5, since the placement bucket 8 drives the buffer plate 10 to slide downward inside the die groove 6, when the buffer plate 10 is pressed downward, the auxiliary block 23 will squeeze the lifting plate 28, so that the lifting plate 28 drives the sealing plate 26 to slide downward inside the lifting groove 25, and then the sealing plate 26 enters the bottom side of the lifting groove 25, thus opening the ventilation opening 29. In this way, when the placement bucket 8 and the bevel gear die 5 are pressed, due to the certain temperature inside, the temperature release during pressing will cause certain thermal expansion and contraction inside the production equipment table 1 and the deformation of the production equipment table 1. When the placement bucket 8 and the bevel gear die 5 are pressed, the auxiliary block 23 drives the lifting plate 28 and the sealing plate 26 to open the ventilation opening 29, thus ensuring that the inside of the production equipment table 1 can receive cold air for cooling. This way not only ensures the protection of the inside of the production equipment table 1, but also ensures the cooling of the bevel gear die 5 and the placement bucket 8 by external air, thereby improving the efficiency of pressing bevel gears by the bevel gear die 5 and the placement bucket 8.

[0039] Working principle: When a bevel gear precision forging production device is in use;

[0040] First step: Through the shape settings of the sliding groove 7 and the sliding plate 9, it is ensured that the sliding plate 9 not only has the function of assisting sliding, but also has the function of limiting the up and down sliding of the placing barrel 8. Thus, when the sliding plate 9 and the placing barrel 8 slide up and down inside the sliding groove 7 and the die groove 6, they have a stable sliding force. Through the sliding groove 7, it is ensured that the sliding plate 9 can slide down stably and quickly when sliding. Through the control of the external power supply, the hydraulic telescopic rod 4 drives the bevel gear die 5 to move downward. Then, the bevel gear die set inside the bevel gear die 5 extrudes the material inside the placing barrel 8 to form extrusion molding through heating. In this way, it can be quickly pressed under warm precision forging, thus ensuring the high efficiency of bevel gear pressing;

[0041] Second step: After the bevel gear die 5 enters the inside of the placing barrel 8, the bevel gear die 5 extrudes the placing barrel 8 and the buffer plate 10 to slide down inside the die groove 6. Then, under the elastic force of the first spring 12, a buffer force is obtained between the bevel gear die 5 and the placing barrel 8. In this way, it avoids the traditional bevel gear directly impacting the bottom plate on the lower side of the placing barrel 8 during pressing, thus ensuring that the placing barrel 8 and the bevel gear die 5 have a good buffer effect during pressing, and thus achieving the function of primary shock absorption;

[0042] Third step: Due to the cross shape of the limiting groove 19 and the rectangular plate 20, it is ensured that when the rectangular plate 20 slides inside the buffer groove 18, the rectangular plate 20 will not slide out of the buffer groove 18, thus playing a role in limiting the rectangular plate 20, ensuring that the rectangular plate 20 remains in a straight line when sliding, and thus ensuring the stability of the sliding of the rectangular plate 20;

[0043] Fourth step: By setting the pulley 21 on the lower side of the rectangular plate 20, the pulley 21 assists the rectangular plate 20 to slide. Thus, when the rectangular plate 20 slides inside the buffer groove 18, it not only receives the limiting effect of the limiting groove 19, but also ensures that the rectangular plate 20 can slide smoothly inside the buffer groove 18, thereby reducing the friction force and ensuring the reset function of the rectangular plate 20 by reducing the friction force;

[0044] Step 5: As the buffer plate 10 is pressed and slides downward, under the primary elastic buffering effect of the second spring 15, when the buffer plate 10 receives a vertical buffering force, the elastic force of the third spring 22 causes the buffer plate 10, through the action of the rectangular plate 20, the connecting plate 17, and the buffer block 14, to apply the elastic force of the third spring 22 to the rectangular plate 20. The rectangular plate 20 will act on the connecting plate 17 and the buffer block 14 on the surface of the rectangular plate 20, causing the buffer plate 10 to receive an additional buffering force from both ends. On the one hand, this buffers the buffer plate 10, and on the other hand, it reduces the negative pressure of the second spring 15, ensuring that the third spring 22 and the second spring 15 can provide a good buffering effect on the buffer plate 10. This ensures the buffering performance during the bevel gear pressing of the bevel gear mold 5 and the placement bucket 8, better protecting the interiors of the placement bucket 8 and the production equipment table 1 from excessive vibration and internal damage.

[0045] Step 6: When the placement bucket 8 contacts and presses the bevel gear mold 5, as the placement bucket 8 drives the buffer plate 10 to slide downward inside the mold groove 6, the auxiliary block 23 will squeeze the lifting plate 28 while the buffer plate 10 is being pressed downward. As a result, the lifting plate 28 drives the sealing plate 26 to slide downward inside the lifting groove 25, and the sealing plate 26 enters the bottom side of the lifting groove 25, opening the ventilation port 29. In this way, while the placement bucket 8 and the bevel gear mold 5 are pressing, due to the internal temperature, the release of temperature during pressing will cause certain thermal expansion and contraction inside the production equipment table 1 and deformation of the production equipment table 1. When the placement bucket 8 and the bevel gear mold 5 are pressing, the auxiliary block 23 drives the lifting plate 28 and the sealing plate 26 to open the ventilation port 29, ensuring that the interior of the production equipment table 1 can receive cold air for cooling. This method not only protects the interior of the production equipment table 1 but also cools the bevel gear mold 5 and the placement bucket 8 through external air, thereby improving the efficiency of pressing bevel gears by the bevel gear mold 5 and the placement bucket 8.

[0046] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bevel gear precision forging production device, comprising a production device table (1), a press (2) is fixedly connected to the upper side of the production device table (1), a support plate (3) is fixedly connected to the left side of the press (2), a hydraulic telescopic rod (4) is fixedly connected to the lower side of the support plate (3), and a bevel gear die (5) is fixedly connected to the lower end of the hydraulic telescopic rod (4), characterized in that: On the upper side of the production equipment table (1), a mold groove (6) is opened. On the upper side of the production equipment table (1), a sliding groove (7) connected to the mold groove (6) is opened. Inside the mold groove (6), a placement bucket (8) is slidably connected. On the surface of the placement bucket (8), a sliding plate (9) is fixedly connected. On the lower side of the placement bucket (8), a buffer plate (10) is fixedly connected. On the lower side of the buffer plate (10), a protection device is provided, and a buffer device is arranged inside the protection device; Both the sliding groove (7) and the sliding plate (9) are in an arc-shaped T shape, and the shapes of the sliding groove (7) and the sliding plate (9) match. The surface of the buffer plate (10) is slidably connected inside the mold groove (6); The protection device includes a buffer column (11). The upper end of the buffer column (11) is fixedly connected to the lower side of the buffer plate (10). The surface of the buffer column (11) is slidably sleeved with a first spring (12). On the lower side of the buffer plate (10), an auxiliary rod (13) is fixedly connected. The lower end of the auxiliary rod (13) is slidably connected inside the production equipment table (1). Inside the production equipment table (1), a buffer groove (18) is opened. Inside the production equipment table (1), a limiting groove (19) connected to the buffer groove (18) is opened; The surface of the auxiliary rod (13) is slidably connected with a buffer block (14). The surface of the auxiliary rod (13) is slidably sleeved with a second spring (15). The buffer block (14) is provided with a groove (16). Inside the groove (16), a connecting plate (17) is rotatably connected; The lower end of the buffer column (11) is slidably connected inside the production equipment table (1). The upper and lower ends of the first spring (12) are respectively fixedly connected to the lower side of the buffer plate (10) and the inside of the production equipment table (1). The upper and lower ends of the second spring (15) are respectively fixedly connected to the lower side of the buffer block (14) and the inside of the production equipment table (1); The buffer device includes a rectangular plate (20). The surface of the rectangular plate (20) is slidably connected inside the buffer groove (18) and the limiting groove (19). The lower side of the rectangular plate (20) is rotatably connected with a pulley (21). The surface of the pulley (21) is rotatably connected inside the limiting groove (19). One side of the rectangular plate (20) is fixedly connected with a third spring (22). The other end of the third spring (22) is fixedly connected to the inside of the buffer groove (18); The upper side of the rectangular plate (20) is rotatably connected to the connecting plate (17); On one side of the buffer plate (10), an auxiliary block (23) is fixedly connected. Inside the production equipment table (1), an auxiliary groove (24) is opened. Inside the production equipment table (1), a lifting groove (25) connected to the auxiliary groove (24) is opened. Inside the lifting groove (25), a sealing plate (26) is slidably connected. The lower side of the sealing plate (26) is fixedly connected with a fourth spring (27). The lower end of the fourth spring (27) is fixedly connected to the inside of the lifting groove (25). The sealing plate (26) is fixedly connected with a lifting plate (28); The surface of the lifting plate (28) is slidably connected inside the lifting groove (25), and the production equipment table (1) is provided with a ventilation opening (29) communicating with the lifting groove (25).

2. The fine forging production equipment of a bevel gear according to claim 1, characterized in that: The shapes of the limiting groove (19) and the front end of the rectangular plate (20) are both cross-shaped.

3. A bevel gear precision forging production device according to claim 1, characterized in that: The shape of the lifting groove (25) is T-shaped.

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