A bell-shaped shell forging equipment with end face teeth

Through the combination of automatic mold clamping mechanism and pneumatic preloading mechanism, the problem of cumbersome mold installation and offset in the forging equipment of the end-faced bell-shaped shell is solved, and automatic forging is realized, which improves production efficiency and safety.

CN120243812BActive Publication Date: 2025-08-19江苏大洋精锻有限公司
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Patent Information

Application Number
CN202510735587.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2025-08-19
Estimated Expiration
2045-06-04

AI Technical Summary

Technical Problem

When producing end-face bell-shaped shells, the mold installation and separation steps are complicated, and the upper mold position needs to be manually maintained to avoid deviation, so automatic forging cannot be achieved.

Method used

The automatic mold clamping mechanism and pneumatic preloading mechanism are adopted to control the lifting and lowering of the upper mold through the folding link and guide frame, and combine the pneumatic telescopic components and the elastic linkage components to realize the automatic installation and disassembly of the upper mold, and the rotational state of the pneumatic telescopic components is controlled through the air supply valve to avoid impacting the drop fork.

Benefits of technology

Automatic forging of end-faced bell-shaped shells is realized, which simplifies the mold operation process, avoids mold offsets and impacts, and improves production efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention belongs to the technical field of forging processing, and specifically discloses an end face tooth bell shell forging device, including an automatic mold clamping mechanism, a pneumatic pre-tightening mechanism and an elastic linkage component, wherein the automatic mold clamping mechanism includes a base plate and a mold lifting component, and the mold lifting component is slidably arranged on the base plate. The present invention proposes a device that can automatically connect the upper and lower molds, and divides the lifting stroke of the entire forging machine from top to bottom into multiple parts; not only that, the present invention also creatively proposes a pneumatic telescopic component, which can not only achieve continuous downward pressure on the descending fork, but also control the opening and closing of the air supply by rotation, thereby avoiding the problem that the telescopic push module of the pneumatic telescopic component hits the end face of the descending fork when rotating and cannot apply pressure to the upper surface of the descending fork.
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Description

Technical Field

[0001] The invention belongs to the technical field of forging processing, and in particular relates to a forging device for an end face gear bell-shaped shell. Background Art

[0002] The end face tooth bell shell is a bell shell with tooth-shaped features on the end face. It is mainly composed of three basic features: bell cover, shaft and end face teeth. In mass production, the preferred solution is to produce the bell cover and shaft by forging, and finally perform tooth-shaped feature cutting on one end face.

[0003] Forging generally requires the use of two inner and outer dies, and the dies are hammered back and forth by a forging press on the top. However, due to the temperature requirements for the workpiece during forging, forging cannot generally be completed in a single pass. During this period, the workpiece needs to be reheated multiple times before forging can continue. Therefore, the workpiece and the die need to be installed and separated many times. The current forging process with split dies is not only cumbersome, but also requires manual maintenance of the position of the upper die during forging to prevent the upper die from offsetting or jumping due to the rebound of the hammer. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the existing technology and to replace the above functional requirements that require human cooperation and realize automatic forging of workpieces, the present invention proposes a device that can automatically connect the upper and lower dies, and divides the lifting stroke of the entire forging machine from top to bottom into multiple parts. The first part completes the lowering of the upper die into position, the second part completes the angle change of the elastic locking rod, and then the hammer head is lifted and lowered reciprocatingly within the range of the third part.

[0005] Moreover, in order to solve the problem of different heights of the upper mold when it is installed in place during different forging stages, the present invention also creatively proposes a pneumatic telescopic assembly, which can not only realize continuous downward pressure on the descending fork, but also control the opening and closing of the air supply by rotation, thereby avoiding the problem that the telescopic push module of the pneumatic telescopic assembly hits the end face of the descending fork and cannot apply pressure to the upper surface of the descending fork when rotating.

[0006] The technical solution adopted by the present invention is as follows: The present invention proposes an end face gear bell shell forging device, including an automatic die clamping mechanism, a pneumatic pre-tightening mechanism and an elastic linkage component, the automatic die clamping mechanism includes a base plate and a die lifting component, and the die lifting component is slidably arranged on the base plate;

[0007] Furthermore, the automatic mold closing mechanism also includes a lower mold and an upper mold, the lower mold is arranged on the base plate, the mold lifting assembly includes a guide frame and a folding connecting rod, the guide frame is fixed to the upper mold, the guide frame is provided with a guide column, the base plate is provided with a guide slide hole, the guide column is engaged and slidably arranged in the guide slide hole, and the folding connecting rod is arranged between the lifting ring and the guide frame.

[0008] By controlling the lifting and lowering of the upper die through the folding connecting rod and the guide frame, the upper die can be lifted when the forging cylinder is in the upper half of its stroke, facilitating the installation and disassembly of the workpiece. When the forging cylinder is in the lower half of its stroke, the upper die can be lowered to cooperate with the lower die to achieve forging and shaping of the workpiece.

[0009] Preferably, the pneumatic pre-tightening mechanism and the elastic linkage assembly are evenly distributed in a ring in a plurality of groups. The pneumatic pre-tightening mechanism is arranged on the bottom plate, and the elastic linkage assembly is arranged at the end of the pneumatic pre-tightening mechanism.

[0010] Furthermore, the pneumatic pre-tightening mechanism includes a rotating air valve assembly and a pneumatic telescopic assembly. The rotating air valve assembly is arranged on the base plate, and the pneumatic telescopic assembly is arranged on the rotating air valve assembly.

[0011] Preferably, the rotating air valve assembly includes an air valve fork frame, an air supply valve and a rotating valve seat, the air valve fork frame is fixed to the base plate, the rotating valve seat is rotatably arranged in the air valve fork frame, the valve seat of the air supply valve is arranged on the air valve fork frame, and the valve core of the air supply valve is arranged on the rotating valve seat. When the pneumatic telescopic assembly is in a horizontal state, the air supply valve is in a closed state, and when the pneumatic telescopic assembly is in a vertical state, the air supply valve is in an open state.

[0012] Through the air supply valve, the opening and closing of the air supply valve can be automatically controlled during the rotation of the pneumatic telescopic component, so that the telescopic push module can achieve the technical effect of automatic retraction in the horizontal state and automatic extension in the vertical state; avoiding the problem of the telescopic push module hitting the side of the descending fork when the upper mold cannot be lowered to the bottom.

[0013] As a further preferred embodiment of the present invention, a reset spring is provided between the air valve fork frame and the rotating valve seat. Under the action of the reset spring and the self-weight of the pneumatic telescopic assembly, the pneumatic telescopic assembly has a tendency to transform to a horizontal state. A descending fork is also provided on the guide frame, and the opening portion of the stacked connecting rod can be sleeved on the central air supply pipe.

[0014] Preferably, the pneumatic telescopic assembly includes a central air supply pipe and a telescopic base, the central air supply pipe is arranged on the rotating valve seat, the central air supply pipe and the internal part of the rotating valve seat are connected through, the telescopic base is provided with a support ring, the telescopic base is fixed to the central air supply pipe through the support ring, a telescopic pushing module is provided between the telescopic base and the central air supply pipe, an elastic reset part is provided between the inner top wall of the telescopic base and the telescopic pushing module, and an exhaust hole is provided on the top of the central air supply pipe.

[0015] The air intake of the air supply valve and the exhaust of the telescopic base match each other, and the air intake speed when the air supply valve is opened is greater than the exhaust speed of the telescopic base. Therefore, when the air supply valve is opened, the telescopic push module has a tendency to extend and can apply a downward force to the guide frame after resisting the descending fork; when the air supply valve is closed, the exhaust of the telescopic base can make the telescopic push module retract, avoiding the problem that the telescopic push module, which is always in an extended state, cannot resist the upper surface of the descending fork.

[0016] Among them, the telescopic pushing module is a foldable airbag, and the elastic reset part is an elastic rope. When the air supply valve is opened, the air supply speed toward the central air supply pipe is greater than the exhaust speed of the telescopic base. At this time, the telescopic pushing module will extend. When the air supply valve is closed, the telescopic pushing module will retract.

[0017] Among them, the telescopic pushing module is a multi-stage telescopic sleeve, and the elastic reset part is a spring. When the air supply valve is opened, the air supply speed toward the central air supply pipe is greater than the exhaust speed of the telescopic base. At this time, the telescopic pushing module will extend. When the air supply valve is closed, the telescopic pushing module will retract.

[0018] Furthermore, it also includes a frame, the frame is provided with a crossbeam, and the crossbeam is provided with a forging cylinder.

[0019] Furthermore, the elastic linkage assembly includes a steering fork frame and a lifting ring, the steering fork frame is fixed to the crossbeam, the steering fork frame is provided with a steering wheel, and the lifting ring is fixed to the telescopic part of the forging cylinder.

[0020] Preferably, a pull rope is provided on the lifting ring, and the pull rope is in rolling contact with the steering wheel. An elastic rope is also provided at the end of the pull rope, and the end of the elastic rope is fixedly connected to the top of the telescopic base.

[0021] Through the linkage of the pull rope, the pneumatic telescopic assembly can be automatically pulled from the horizontal state to the vertical state at the middle position of the forging cylinder stroke. Then, the elastic stretching of the elastic rope can keep the pneumatic telescopic assembly in the vertical state, so that the pneumatic telescopic assembly can continuously apply downward force to the descending fork.

[0022] The beneficial effects achieved by the present invention using the above structure are as follows:

[0023] (1) By controlling the lifting and lowering of the upper die through the folding connecting rod and the guide frame, the upper die can be lifted when the forging cylinder is in the upper half of its stroke, which facilitates the installation and removal of the workpiece. When the forging cylinder is in the lower half of its stroke, the upper die is lowered, thereby cooperating with the lower die to achieve forging and shaping of the workpiece.

[0024] (2) Through the air supply valve, the opening and closing of the air supply valve can be automatically controlled during the rotation of the pneumatic telescopic component, so that the telescopic push module can achieve the technical effect of automatically retracting in the horizontal state and automatically extending in the vertical state; avoiding the problem of the telescopic push module hitting the side of the descending fork when the upper mold cannot be lowered to the bottom.

[0025] (3) The air intake of the air supply valve and the exhaust of the telescopic base match each other, and the air intake speed when the air supply valve is opened is greater than the exhaust speed of the telescopic base. Therefore, when the air supply valve is opened, the telescopic push module has a tendency to extend, and after resisting the descending fork, it can exert a downward force on the guide frame; when the air supply valve is closed, the exhaust of the telescopic base can make the telescopic push module retract, avoiding the problem that the telescopic push module, which is always in an extended state, cannot resist the upper surface of the descending fork.

[0026] (4) Through the linkage of the pull rope, the pneumatic telescopic assembly can be automatically pulled from the horizontal state to the vertical state at the middle position of the forging cylinder stroke. Then, the elastic stretching of the elastic rope can keep the pneumatic telescopic assembly in the vertical state, so that the pneumatic telescopic assembly can continuously apply downward force to the descending fork. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional diagram of an end face gear bell shell forging device proposed by the present invention;

[0028] Figure 2 This is a front view of an end face gear bell housing forging device proposed by the present invention;

[0029] Figure 3 for Figure 2 A cross-sectional view along the cutting line AA;

[0030] Figure 4 This is a schematic diagram of a half-section structure of an end face gear bell shell forging device proposed by the present invention;

[0031] Figure 5 for Figure 3 A partial enlarged view of point Ⅰ in the middle;

[0032] Figure 6 for Figure 1 A partial enlarged view of the middle II;

[0033] Figure 7 Schematic diagram of the position of the lifting ring at different stages.

[0034] Among them, 1. Automatic mold clamping mechanism, 2. Pneumatic pre-tightening mechanism, 3. Elastic linkage assembly, 4. Frame, 5. Bottom plate, 6. Lower mold, 7. Upper mold, 8. Mold lifting assembly, 9. Guide slide hole, 10. Guide frame, 11. Folding connecting rod, 12. Guide column, 13. Lowering fork, 14. Rotating air valve assembly, 15. Pneumatic telescopic assembly, 16. Air valve fork frame, 17. Rotating valve seat, 18. Air supply valve, 19. Reset spring, 20. Central air supply pipe, 21. Telescopic base, 22. Telescopic push module, 23. Elastic reset part, 24. Steering fork frame, 25. Lifting ring, 26. Pull rope, 27. Elastic rope, 28. Steering wheel, 29. Avoidance hole, 30. Crossbeam, 31. Forging cylinder, 32. Support ring.

[0035] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the present invention.

[0038] like Figures 1 to 6 As shown, the present invention proposes an end face gear bell shell forging device, including an automatic die clamping mechanism 1, a pneumatic pre-tightening mechanism 2 and an elastic linkage component 3. The automatic die clamping mechanism 1 includes a base plate 5 and a die lifting component 8. The die lifting component 8 is slidably arranged on the base plate 5.

[0039] The automatic mold clamping mechanism 1 also includes a lower mold 6 and an upper mold 7. The lower mold 6 is arranged on the base plate 5. The mold lifting assembly 8 includes a guide frame 10 and a folding link 11. The guide frame 10 is fixed to the upper mold 7. A guide column 12 is provided on the guide frame 10. A guide slide hole 9 is provided on the base plate 5. The guide column 12 is engaged and slidably arranged in the guide slide hole 9. The folding link 11 is arranged between the lifting ring 25 and the guide frame 10.

[0040] By controlling the lifting and lowering of the upper die 7 through the folding connecting rod 11 and the guide frame 10, the upper die 7 can be lifted when the forging cylinder 31 is in the upper half of the stroke, thereby facilitating the installation and disassembly of the workpiece. When the forging cylinder 31 is in the lower half of the stroke, the upper die 7 can be lowered to cooperate with the lower die 6 to achieve forging and shaping of the workpiece.

[0041] Several groups of pneumatic pre-tightening mechanisms 2 and elastic linkage components 3 are evenly distributed in a ring. The pneumatic pre-tightening mechanism 2 is arranged on the bottom plate 5, and the elastic linkage component 3 is arranged at the end of the pneumatic pre-tightening mechanism 2.

[0042] The pneumatic pre-tightening mechanism 2 includes a rotating air valve assembly 14 and a pneumatic telescopic assembly 15 . The rotating air valve assembly 14 is arranged on the base plate 5 , and the pneumatic telescopic assembly 15 is arranged on the rotating air valve assembly 14 .

[0043] The rotary air valve assembly 14 includes an air valve fork frame 16, an air supply valve 18 and a rotary valve seat 17. The air valve fork frame 16 is fixedly connected to the base plate 5. The rotary valve seat 17 is rotatably arranged in the air valve fork frame 16. The valve seat of the air supply valve 18 is arranged on the air valve fork frame 16. The valve core of the air supply valve 18 is arranged on the rotary valve seat 17. When the pneumatic telescopic assembly 15 is in a horizontal state, the air supply valve 18 is in a closed state. When the pneumatic telescopic assembly 15 is in a vertical state, the air supply valve 18 is in an open state.

[0044] Through the air supply valve 18, the opening and closing of the air supply valve 18 can be automatically controlled during the rotation of the pneumatic telescopic component 15, so that the telescopic push module 22 can achieve the technical effect of automatically retracting in the horizontal state and automatically extending in the vertical state; avoiding the problem of the telescopic push module 22 hitting the side of the descending fork 13 when the upper mold 7 cannot be lowered to the bottom.

[0045] A reset spring 19 is also provided between the air valve fork frame 16 and the rotating valve seat 17. Under the action of the reset spring 19 and the dead weight of the pneumatic telescopic assembly 15, the pneumatic telescopic assembly 15 has a tendency to transform to a horizontal state. A descending fork 13 is also provided on the guide frame 10, and the opening of the descending fork 13 can be sleeved on the central air supply pipe 20.

[0046] The pneumatic telescopic assembly 15 includes a central air supply pipe 20 and a telescopic base 21. The central air supply pipe 20 is arranged on the rotating valve seat 17. The central air supply pipe 20 and the internal part of the rotating valve seat 17 are connected through. A support ring 32 is provided on the telescopic base 21. The telescopic base 21 is fixed to the central air supply pipe 20 through the support ring 32. A telescopic pushing module 22 is provided between the telescopic base 21 and the central air supply pipe 20. An elastic reset part 23 is provided between the inner top wall of the telescopic base 21 and the telescopic pushing module 22. An exhaust hole is provided on the top of the central air supply pipe 20.

[0047] The air intake of the air supply valve 18 and the exhaust of the telescopic base 21 match each other, and the air intake speed when the air supply valve 18 is opened is greater than the exhaust speed of the telescopic base 21. Therefore, when the air supply valve 18 is opened, the telescopic pushing module 22 has a tendency to extend, and after resisting the descending fork 13, it can apply a downward force to the guide frame 10; and when the air supply valve 18 is closed, the exhaust of the telescopic base 21 can make the telescopic pushing module 22 retract, avoiding the problem that the telescopic pushing module 22, which is always in an extended state, cannot resist the upper surface of the descending fork 13.

[0048] The telescopic pushing module 22 is a foldable airbag, and the elastic return part 23 is an elastic rope. When the air supply valve 18 is opened, the air supply speed toward the central air supply pipe 20 is greater than the exhaust speed of the telescopic base 21. At this time, the telescopic pushing module 22 will extend. When the air supply valve 18 is closed, the telescopic pushing module 22 retracts.

[0049] The telescopic pushing module 22 is a multi-stage telescopic sleeve, and the elastic reset part 23 is a spring. When the air supply valve 18 is opened, the air supply speed toward the central air supply pipe 20 is greater than the exhaust speed of the telescopic base 21. At this time, the telescopic pushing module 22 will extend. When the air supply valve 18 is closed, the telescopic pushing module 22 retracts.

[0050] The machine frame 4 is provided with a crossbeam 30 , and the crossbeam 30 is provided with a forging cylinder 31 .

[0051] The elastic linkage assembly 3 includes a steering fork frame 24 and a lifting ring 25 . The steering fork frame 24 is fixed to the crossbeam 30 . A steering wheel 28 is provided on the steering fork frame 24 . The lifting ring 25 is fixed to the telescopic part of the forging cylinder 31 .

[0052] A pull rope 26 is provided on the lifting ring 25 , and the pull rope 26 is in rolling contact with the steering wheel 28 . An elastic rope 27 is further provided at the end of the pull rope 26 , and the end of the elastic rope 27 is fixed to the top of the telescopic base 21 .

[0053] Through the linkage of the pull rope 26, the pneumatic telescopic assembly 15 can be automatically pulled from a horizontal state to a vertical state at the middle position of the stroke of the forging cylinder 31. Subsequently, the elastic stretching of the elastic rope 27 can keep the pneumatic telescopic assembly 15 in a vertical state, so that the pneumatic telescopic assembly 15 can continuously apply downward pressure to the descending fork 13.

[0054] like Figure 7 As shown in the figure, the letters represent different positions of the lifting ring 25 during the lifting process; A represents the top limit position; D represents the bottom limit position, and B represents the position of the lifting ring 25 when the upper mold 7 and the lower mold 6 are fully matched. If the upper mold 7 cannot be lowered to position B because the workpiece has not been fully formed, the position of the lifting ring 25 will be slightly higher than B when the upper mold 7 contacts the workpiece; C represents the position of the lifting ring 25 when the pneumatic telescopic assembly 15 is pulled and rotated to a vertical state; E and F represent the lifting range of the lifting ring 25 during reciprocating hammer forging; E and F are both within the range of C to D.

[0055] When in use, the lifting ring 25 is in the initial state. Figure 7 Position A shown, at this time, the upper mold 7 and the lower mold 6 are separated, and the heated workpiece is placed on the lower mold 6 by an external pickup device;

[0056] If the workpiece is placed directly on the lower die 6 in the early stage of forging, the stability and position accuracy are not high. At this time, the forging cylinder 31 is controlled to extend and lower the upper die 7. When the upper die 7 also contacts the upper part of the workpiece, the external pick-up device is removed. The space between the lower die 6 and the upper die 7 is also large enough to place the pick-up device.

[0057] If it is in the later stage of forging, the stability and position accuracy of the workpiece placed directly on the lower die 6 are higher. At this time, the external picking device can be removed first, and then the upper die 7 is lowered by extending the forging cylinder 31; when the upper die 7 is against the upper part of the lower die 6, the forging cylinder 31 continues to extend. At this time, the folding connecting rod 11 allows the relative position of the forging cylinder 31 and the upper die 7 to change by folding itself; at this time, the lifting ring 25 is in Figure 7 B in the middle or slightly above B.

[0058] During the above process, the pull rope 26 and the elastic rope 27 gradually change from being loose to being tight. Figure 7 During the movement from position B to position C, the pneumatic telescopic assembly 15 is pulled from the horizontal state to the vertical state, and the central air supply pipe 20 is clamped into the notch of the descending fork 13;

[0059] Since the telescopic pushing module 22 in the horizontal state is in a retracted state, after it rotates to the vertical state, the air supply valve 18 will gradually extend until it contacts the descending fork 13 and applies a continuous downward pressure to the guide frame 10 and the upper mold 7;

[0060] Since the telescopic pushing module 22 is extended only after the pneumatic telescopic assembly 15 rotates, even if the descending fork 13 is not located at the bottom of the central air supply pipe 20, the telescopic pushing module 22 will not hit the side of the descending fork 13 during the rotation of the pneumatic telescopic assembly 15.

[0061] At this point, the positioning and pre-pressing of the upper mold 7 are completed, and the telescopic pushing module 22 applies pressure to the descending fork 13 to prevent the upper mold 7 from deflecting or jumping during the hammering process.

[0062] Then the forging cylinder 31 reciprocates and contracts within a certain range to hammer the upper surface of the upper die 7, thereby achieving forging of the workpiece. During the forging process, the lifting range of the lifting ring 25 is Figure 7 E to F in the, and EF is located in Figure 7 Between C and D.

[0063] The above process is a forging cycle. Since the temperature of the workpiece will gradually decrease during the forging process, the entire forging process needs to go through multiple rounds of the above forging cycles until the lower die 6 and the upper die 7 can be fully fitted.

[0064] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0065] The present invention and its embodiments are described above. This description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs structures and embodiments similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A bell-shaped shell forging device with end face gear, characterized in that: It includes an automatic mold clamping mechanism, a pneumatic pre-tightening mechanism and an elastic linkage component. The automatic mold clamping mechanism includes a base plate and a mold lifting component. The mold lifting component is slidably arranged on the base plate. The pneumatic pre-tightening mechanism and the elastic linkage assembly are evenly distributed in a ring and are provided in a plurality of groups. The pneumatic pre-tightening mechanism is provided on the bottom plate, and the elastic linkage assembly is provided at the end of the pneumatic pre-tightening mechanism. The pneumatic pre-tightening mechanism includes a rotating air valve assembly and a pneumatic telescopic assembly, wherein the rotating air valve assembly is arranged on the bottom plate, and the pneumatic telescopic assembly is arranged on the rotating air valve assembly; The rotary air valve assembly includes an air valve fork, an air supply valve and a rotary valve seat. The air valve fork is fixed to the base plate. The rotary valve seat is rotatably arranged in the air valve fork. The valve seat of the air supply valve is arranged on the air valve fork. The valve core of the air supply valve is arranged on the rotary valve seat. When the pneumatic telescopic assembly is in a horizontal state, the air supply valve is in a closed state. When the pneumatic telescopic assembly is in a vertical state, the air supply valve is in an open state. The pneumatic telescopic assembly includes a central air supply pipe and a telescopic base. The central air supply pipe is provided on the rotary valve seat. The central air supply pipe and the internal part of the rotary valve seat are connected. The telescopic base is provided with a support ring. The telescopic base is fixed to the central air supply pipe through the support ring. A telescopic push module is provided between the telescopic base and the central air supply pipe. An elastic reset member is provided between the inner top wall of the telescopic base and the telescopic push module. An exhaust hole is provided on the top of the central air supply pipe. A reset spring is provided between the air valve fork and the rotary valve seat. Under the action of the reset spring and the deadweight of the pneumatic telescopic assembly, the pneumatic telescopic assembly has a tendency to turn to a horizontal state. The mold lifting assembly includes a guide frame, on which a descending fork is provided. The opening of the descending fork can be sleeved on the central air supply pipe. It also includes a frame, the frame is provided with a crossbeam, and the crossbeam is provided with a forging cylinder; The elastic linkage assembly includes a steering fork frame and a lifting ring. The steering fork frame is fixedly connected to the crossbeam. A steering wheel is provided on the steering fork frame. The lifting ring is fixedly connected to the telescopic part of the forging cylinder.

2. The end face gear bell housing forging equipment according to claim 1, characterized in that: A pull rope is provided on the lifting ring, and the pull rope is in rolling contact with the steering wheel. An elastic rope is further provided at the end of the pull rope, and the end of the elastic rope is fixedly connected to the top of the telescopic base.

3. The end face gear bell housing forging equipment according to claim 1, characterized in that: The automatic mold clamping mechanism also includes a lower mold and an upper mold, the lower mold is arranged on the bottom plate, the mold lifting assembly also includes a folding connecting rod, the guide frame is fixed to the upper mold, the guide frame is also provided with a guide column, the bottom plate is provided with a guide slide hole, the guide column is engaged and slidably arranged in the guide slide hole, and the folding connecting rod is arranged between the lifting ring and the guide frame.

4. The end face gear bell housing forging equipment according to claim 1, characterized in that: The telescopic pushing module is a foldable airbag, and the elastic reset part is an elastic rope. When the air supply valve is opened, the air supply speed toward the central air supply pipe is greater than the exhaust speed of the telescopic base. At this time, the telescopic pushing module will extend. When the air supply valve is closed, the telescopic pushing module will retract.

5. The end face gear bell housing forging equipment according to claim 1, characterized in that: The telescopic pushing module is a multi-stage telescopic sleeve, and the elastic reset part is a spring. When the air supply valve is opened, the air supply speed toward the central air supply pipe is greater than the exhaust speed of the telescopic base. At this time, the telescopic pushing module will extend. When the air supply valve is closed, the telescopic pushing module will retract.

Citation Information

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