Heavy-load annular forge piece shaping machine

Abstract

The utility model relates to the technical field of shaping machining of large heavy-load forgings, in particular to a heavy-load annular forge piece shaping machine which comprises an installation base, a pyramid is vertically arranged on the central axis of the installation base, an upper disc assembly is arranged on the pyramid in a sleeved mode, and the pyramid comprises an upper conical body and a lower supporting column. The cone shape of the upper cone-shaped body is inversely arranged above the upper disc assembly, the lower supporting column penetrates through the upper disc assembly and is fixedly arranged on the mounting base, the outer side of the lower supporting column is fixedly sleeved with a guide column, a guide sleeve is slidably arranged on the outer side of the guide column, and a plurality of connecting supporting plates are evenly distributed on the outer wall of the guide sleeve in the radial direction. The connecting supporting plate is fixedly arranged below the upper disc assembly, a plurality of jacking assemblies are evenly distributed below the upper disc assembly in the radial direction, a plurality of bulging claws are evenly distributed on the outer edge of the conical body, the bulging claws are arranged on the upper disc assembly in a sliding mode and provided with reset assemblies in a matched mode, and a plurality of rotating carrier roller assemblies are evenly distributed on the upper disc assembly in the radial direction.

Description

Technical Field

[0001] This utility model relates to the field of forging forming technology, and in particular to a heavy-duty ring forging forming machine. Background Technology

[0002] The forging process of ring forgings includes upsetting, piercing, and ring rolling. During the ring rolling process, due to factors such as machine precision and operator skill, the produced ring forgings often fail to meet requirements in terms of roundness, etc. It is necessary to increase the machining allowance and repair the geometric dimensions and form and position tolerances of the ring forgings through subsequent machining, which increases material consumption and manufacturing costs.

[0003] When straightening large ring forgings, a large tonnage straightening force is often required, which places high demands on the structure of the hydraulic cylinder, thereby increasing the difficulty of machining the hydraulic cylinder and thus increasing the production cost. Summary of the Invention

[0004] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a heavy-duty ring forging forming machine with multiple cylinders and multiple points to achieve automatic shaping and reduce the input of processing costs.

[0005] The technical solution adopted by this utility model is:

[0006] A heavy-duty ring forging forming machine includes a mounting base. A pyramid is vertically arranged on the central axis of the mounting base. An upper plate assembly is fitted on the pyramid. The pyramid includes an upper conical body and a lower support column. The upper conical body is tapered and positioned above the upper plate assembly. The lower support column passes through the upper plate assembly and is fixedly mounted on the mounting base. A guide column is fixedly fitted on the outer side of the lower support column. A guide sleeve is fitted on the outer side of the guide column and is slidably mounted on the guide column. Several connecting support plates are radially evenly distributed on the outer wall of the guide sleeve. The top of the connecting support plates is fixedly mounted below the upper plate assembly. Several lifting components are radially evenly distributed below the upper plate assembly and are mounted on the mounting base. Several expanding claws are evenly distributed on the outer edge of the conical body and are slidably mounted on the upper plate assembly. A reset component is matched to the expanding claws and resets the outwardly displaced expanding claws towards the center. Several rotating roller assemblies are radially evenly distributed on the upper plate assembly.

[0007] The upper plate assembly includes an upper plate body, which is a ring-shaped structural component. Several guide rail mounting grooves are evenly distributed circumferentially on the top end face of the upper plate body. The guide rail mounting grooves are radially arranged, and guide rail assemblies are slidably installed in the guide rail mounting grooves. Several idler roller mounting grooves are also evenly distributed circumferentially on the top end face of the upper plate body. The idler roller mounting grooves are radially arranged, and rotating idler roller assemblies are installed in the idler roller mounting grooves.

[0008] The rotating idler assembly includes a rotating idler, a rotating motor, a rotating encoder, support rollers, and an upper cover plate for the idler. The rotating idler is set in the idler mounting groove. A rotating motor is set at one end of the rotating idler shaft. The rotating motor is fixedly set on the outer ring wall of the upper plate body. A rotating encoder is set on the rotating motor. Support rollers are set below the rotating idler, and an upper cover plate is set above the rotating idler.

[0009] The outer circular surface of the rotating idler roller is provided with knurled grooves, and the outer edge surface of the rotating idler roller is also provided with a smooth cylindrical surface, which matches and corresponds to the support position of the support roller.

[0010] The expanding claw is a unit component that is a cylinder that is radially and evenly cut into several parts along its central axis. The cylinder has a conical hole along its central axis, which is matched with the conical body. The inner surface of the expanding claw is a conical slope, and the outer edge of the expanding claw is a cylindrical surface. A connecting plate is provided below the expanding claw, and the connecting plate is fixedly connected to the guide rail assembly.

[0011] Several guide rail assemblies are radially and evenly slidably arranged on the upper plate assembly. Each guide rail assembly includes a sliding guide rail and a connecting block. The sliding guide rail is slidably arranged in the guide rail mounting groove. One end of the sliding guide rail is fixedly connected to the connecting plate, and the other end is provided with a connecting block. The connecting block is located below the sliding guide rail. The guide rail mounting groove is also provided with a vertically penetrating movable groove. The movable groove is matched with the connecting block, and the connecting block is penetratingly arranged in the movable groove. The connecting block is fixedly arranged with the reset assembly.

[0012] The reset assembly includes a reset cylinder and a first displacement sensor. The reset cylinder is fixedly mounted on the upper plate body, and the output piston rod end of the reset cylinder is fixedly connected to the connecting block. The first displacement sensor is matched and mounted on the reset cylinder.

[0013] The lifting assembly includes a lifting cylinder, a pressure flange, and a second displacement sensor. The lifting cylinder is vertically positioned and its bottom is fixedly mounted on the mounting base. The output piston rod is positioned upwards, and a pressure flange is mounted on the top of the piston rod. The pressure flange is fixedly positioned below the upper plate body, and the second displacement sensor is matched and mounted on the lifting cylinder.

[0014] The expanding claw is equipped with a mold assembly, which includes an annular segment. The annular segment is a unit arc segment with different diameters that is evenly divided circumferentially. The annular segments with different diameters are arranged radially on the sliding guide rail in order of increasing diameter, and the annular segment with the smallest diameter is located on the cylindrical side of the expanding claw.

[0015] A slot is provided at the bottom of the circular segment, which is matched with the sliding guide rail, and the circular segment is locked onto the sliding guide rail.

[0016] The beneficial effects of this utility model are:

[0017] This utility model discloses a heavy-duty ring forging forming machine, which uses a stationary pyramidal body and an upper plate assembly that moves vertically for shaping. The pyramidal body is fixedly mounted on a mounting base, and the upper plate assembly is fitted onto the pyramidal body. The pyramidal body includes an upper conical body and a lower support column. The upper conical body is inverted above the upper plate assembly, and the lower support column passes through the upper plate assembly and is fixedly mounted on the mounting base. The upper plate assembly integrates an expansion claw, a guide rail assembly, and a reset assembly. The expansion claw is matched with the upper conical body. The guide rail assembly and the reset assembly ensure stable expansion and reset of the expansion claw. The upper plate assembly is also equipped with a rotating roller assembly, which supports and rotates the ring forging fitted onto the expansion claw assembly. The rotating roller assembly is also equipped with a rotary encoder to control the angular displacement of the ring forging, realizing multi-angle shaping operations on the ring forging. Several lifting components are radially and evenly distributed below the upper plate assembly. The multi-cylinder, multi-point arrangement provides a large tonnage shaping force, reduces the structural difficulty of the lifting cylinder, and the lifting cylinder is also matched with a displacement sensor. The controllable stroke of the hydraulic cylinder effectively solves the problem of dimensional accuracy control of the ring forging. A mold combination is also matched with the expanding claw to adapt to the shaping of ring forgings of different diameters, increasing the adaptability of this device. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure;

[0019] Figure 2 Internal cross-sectional structure diagram;

[0020] Figure 3 Schematic diagram of the expansion claw, guide rail assembly, and reset assembly;

[0021] Figure 4 This is a schematic diagram of the rotating idler assembly structure;

[0022] Figure 5 This is a schematic diagram of the mold assembly structure.

[0023] In the diagram: 1-Mounting base, 2-Pyramid, 201-Support column, 202-Conical body, 2021-Pyramidal face.

[0024] 3-Guide post, 4-Guide sleeve, 5-Connecting support plate, 6-Upper plate assembly, 601-Upper plate body, 602-Guide rail mounting groove, 603-Idler roller mounting groove, 604-Moving groove, 7-Expanding claw, 701-Conical inclined surface, 702-Cylindrical surface, 703-Connecting plate, 8-Guide rail assembly, 801-Sliding guide rail, 802-Connecting block, 9-Reset assembly, 901-Reset cylinder, 902-First displacement sensor. 10-Rotating idler assembly, 1001-Rotating idler, 10011-Knurled groove, 10012-Cylindrical surface, 1002-Rotary motor, 1003-Rotary encoder, 1004-Support roller, 1005-Idler upper cover plate, 11-Lifting assembly, 1101-Lifting cylinder, 1102-Pressure cover flange, 1103-Second displacement sensor, 12-Mold assembly, 1201-Annular segment, 12011-Slot, 13-Annular forging. Detailed Implementation

[0025] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, this utility model will be further described in detail. It should be understood that the specific embodiments described herein are only for explaining this utility model and are not intended to limit this utility model.

[0026] It should be noted that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that the present invention can produce, should still fall within the scope of the technical content disclosed in the present invention.

[0027] like Figure 1 , Figure 2As shown, a heavy-duty ring forging forming machine includes a mounting base 1, a pyramid 2 vertically arranged on the central axis of the mounting base 1, an upper plate assembly 6 sleeved on the pyramid 2, the pyramid 2 including an upper cone 202 and a lower support column 201, the upper cone 202 is inverted above the upper plate assembly 6, the lower support column 201 passes through the upper plate assembly 6 and is fixedly set on the mounting base 1, a plurality of lifting components 11 are radially evenly distributed below the upper plate assembly 6, the lifting components 11 are vertically set on the mounting base 1, the lifting direction of the lifting components 11 is upward, and the lifting components 11 push the upper plate assembly 6 to move up and down reciprocally. A guide post 3 is fixedly sleeved on the outer side of the lower support post 201. A guide sleeve 4 is sleeved on the outer side of the guide post 3. The guide sleeve 4 is slidably mounted on the guide post 3. Several connecting support plates 5 are radially evenly distributed on the outer wall of the guide sleeve 4. The top of the connecting support plates 5 is fixedly mounted below the upper plate assembly 6. When the lifting assembly 11 pushes the upper plate assembly 6 to move up and down, the guide sleeve 4 and the guide post 3 slide to guide and ensure the stability of its up and down movement. The outer edge of the upper cone 202 of the pyramid 2 is evenly divided into several pyramidal surfaces 2021. Several bulging claws 7 are evenly distributed on the outer edge of the cone 202. Each set of pyramidal surfaces 2021 is provided with a set of bulging claws 7. The outer edges of the several bulging claws 7 form a cylinder. The annular forging 13 to be shaped is sleeved on the cylinder. The bulging claws 7 are slidably mounted on the upper plate assembly 6. Several guide rail assemblies 8 are radially evenly slidably mounted on the upper plate assembly 6. The bulging claws 7 are fixedly mounted on the guide rail assemblies 8. The bulging claw 7 is equipped with a reset component 9, which is used to reset the outwardly displaced bulging claw 7 towards the center of the axis. Several rotating roller assemblies 10 are evenly distributed on the upper radial side of the upper plate assembly 6. The rotating roller assemblies 10 are used to support and rotate the annular forging 13 sleeved on the bulging claw 7.

[0028] like Figure 1 , Figure 3 As shown, the expanding claw 7 is a unit component that is a cylinder evenly cut into several parts along its central axis. The cylinder has a conical hole along its central axis, which is matched with the conical body 202. The inner surface of the expanding claw 7 is a conical inclined surface 701, which is matched with the pyramidal surface 2021. The outer edge of the expanding claw 7 is a section of cylindrical surface 702. A connecting plate 703 is provided below the expanding claw 7, and the connecting plate 703 is fixedly connected to the guide rail assembly 8.

[0029] like Figure 1 , 3As shown in Figure 4, the upper plate assembly 6 includes an upper plate body 601, a guide rail mounting groove 602, and a roller mounting groove 603. The upper plate body 601 is an annular structure. Several guide rail mounting grooves 602 are evenly distributed circumferentially on the top end face of the upper plate body 601. The guide rail mounting grooves 602 are radially arranged, and a guide rail assembly 8 is slidably arranged in the guide rail mounting grooves 602. Several roller mounting grooves 602 are also evenly distributed circumferentially on the top end face of the upper plate body 601. The roller mounting grooves 602 are radially arranged along the upper plate body 601, and a rotating roller assembly 10 is arranged in the roller mounting grooves 602. The rotating roller assembly 10 is used to support and rotate the annular forging 13 sleeved on the bulging claw 7.

[0030] In this embodiment, the outer edge of the cone 202 is evenly divided into six equal parts, that is, six sets of pyramidal surfaces 2021 are provided. Each set of pyramidal surfaces 2021 is provided with a set of bulging claws 7.

[0031] This embodiment is provided with six sets of expansion claws 7, six sets of guide rail assemblies 8 that are matched with the expansion claws 7, and six sets of reset assemblies 9 that are matched with the expansion claws 7.

[0032] like Figure 3 As shown, the guide rail assembly 8 includes a sliding guide rail 801 and a connecting block 802. The sliding guide rail 801 is slidably disposed within the guide rail mounting groove 602. One end of the sliding guide rail 801 is fixedly connected to the connecting plate 703 provided with the expansion claw 7, and the other end is provided with the connecting block 802, which is disposed below the sliding guide rail 801. The guide rail mounting groove 602 is also provided with a vertically penetrating movable groove 604, which is matched with the connecting block 802. The connecting block 802 is disposed through the movable groove 604 and is fixedly disposed with the reset assembly 9.

[0033] like Figure 3 As shown, the reset assembly 9 includes a reset cylinder 901 and a first displacement sensor 902. The reset cylinder 901 is fixedly mounted on the upper plate body 601. The piston rod end of the reset cylinder 901 is fixedly connected to the connecting block 802. The first displacement sensor 902 is matched and mounted on the reset cylinder 901. The first displacement sensor 902 is used to control the movement speed and position accuracy of the reset cylinder 901. When the piston rod of the reset cylinder 901 is pushed out, the connecting block 802 drives the sliding guide rail 801 to run, resetting the expansion claw 7 to the center.

[0034] like Figure 1 , Figure 4As shown, the rotating roller assembly 10 includes a rotating roller 1001, a rotating motor 1002, a rotating encoder 1003, a support roller 1004, and a roller cover plate 1005. The rotating roller 1001 is disposed in the roller mounting groove 602. The rotating motor 1002 is disposed at one end of the shaft of the rotating roller 1001. The rotating motor 1002 is fixedly disposed on the outer ring wall of the upper plate body 601. The rotating encoder 1003 is disposed on the rotating motor 1002. The rotating encoder 1003 performs angular displacement control on the annular forging, realizing multi-angle control of the annular forging. For the shaping operation, the outer circular surface of the rotating roller 1001 is provided with a knurled groove 10011, and a support roller 1004 is provided below the rotating roller 1001. The support roller 1004 is used to roll and support the rotating roller 1001. The outer edge surface of the rotating roller 1001 is also provided with a smooth cylindrical surface 10012 segment. The cylindrical surface 10012 segment matches and corresponds to the support position of the support roller 1004. A roller cover plate 1005 is provided above the rotating roller 1001. The roller cover plate 1005 is used to prevent the rotating roller 1001 from jumping horizontally upward.

[0035] In this embodiment, the rotating roller assembly 12 is provided with three sets.

[0036] like Figure 1 , Figure 2 As shown, the lifting assembly 11 includes a lifting cylinder 1101, a pressure flange 1102, and a second displacement sensor 1103. The lifting cylinder 1101 is vertically arranged and its bottom is fixedly mounted on the mounting base 1. The output piston rod is positioned upwards, and the pressure flange 1102 is mounted on the top of the piston rod. The pressure flange 1102 is fixedly positioned below the upper plate body 601. The second displacement sensor 1103 is matched and installed on the lifting cylinder 1101. Through the controllable stroke of the hydraulic cylinder by the displacement sensor, when the piston rod of the lifting cylinder 1101 is lifted upwards, the second displacement sensor 1103 can detect and control the positional accuracy of the upper plate body 601, thereby knowing the outward expansion dimension of the expanding claw 7. The upward lifting distance of the lifting cylinder 1101 can be set according to the correction amount of the annular forging.

[0037] like Figure 5 As shown, to accommodate the forming of ring forgings of different diameters, each set of expanding claws 7 is equipped with a set of mold assembly 12. The mold assembly 12 includes a ring segment 1201, which is a unit arc segment of a ring of different diameters that is evenly divided circumferentially. The ring segments 1201 of different diameters are arranged radially on the sliding guide rail 801 in order of increasing diameter. The ring segment 1201 of the smallest diameter is located on the cylindrical surface 702 side of the expanding claw 701. The bottom of the ring segment 1201 is provided with a slot 12011, which is matched with the sliding guide rail 801. The ring segment 1201 is locked on the sliding guide rail 801.

[0038] In this embodiment, the annular segment 1201 is a unit arc segment divided into six equal parts. For example... Figure 5 As shown, six sets of molds are arranged circumferentially on the outer edge of the expanding claw 7 to form forming rings of different diameters to adapt to ring forgings of different diameters, thus enhancing the adaptability of this device.

[0039] When the forming process begins, the initial state of the machine is that the piston rod of the lifting cylinder 1101 is in the retracted state, the upper plate body 601 is in the original lowered position, and the expanding claw 7 is in contact with the conical body 202. The expanding claw 7 is in the retracted state. The lifting height of the lifting cylinder 1101 is set according to the size specifications of the annular forging to be shaped. The deformed annular forging 13 is fitted onto the closed outer cylindrical surface of the expanding claw 7. The piston rod of the lifting cylinder 1101 is lifted, the upper plate body 601 is lifted upward, and the expanding claw 7 expands outward under the action of the conical body 202 to shape the annular forging 13 fitted on it. After one shaping is completed, the piston rod of the lifting cylinder 1101 is retracted, the upper plate body 601 is lowered back to its original position, and the piston of the reset cylinder 901... As the piston rod extends, the piston rod end pushes the expanding claw 7 to move towards the conical body 202 and retract to its original position. The rotary motor 1002 starts, and the rotary roller 1001 begins to rotate. After the annular forging 13 on the rotary roller 1001 rotates circumferentially by a certain angle, the rotary motor 1002 stops, the rotary roller 1001 stops rotating, and the annular forging 13 stops, allowing for another shaping process. The piston rod of the lifting cylinder 1101 lifts, and the upper plate body 601 lifts upward. Under the action of the conical body 202, the expanding claw 7 expands outward to shape the annular forging 13 fitted on it. After one shaping is completed, the annular forging 13 rotates circumferentially again by a certain displacement and continues to be shaped. When the dimensions of the annular forging 13 reach the specification standard, it is removed from the expanding claw 7. New annular forgings 11 that need to be shaped can be fitted onto the expanding claw 7 for the next shaping process.

[0040] When the size of the annular forging 13 that needs to be shaped increases, a set of mold assembly 8 is set on the outside of each set of bulging claws 7, and an appropriate number of annular segments 801 are set to correspond to the annular forging 13 of different specifications. The annular forging 13 is then fitted onto the cylinder composed of the annular segments 801 for shaping.

[0041] This device has a compact structure and is easy to operate. It can adapt to the shaping of ring forgings 13 of different specifications and sizes, effectively and accurately shaping the roundness of the ring forgings, reducing material consumption and manufacturing costs.

Claims

1. A heavy-duty ring forging forming machine, comprising a mounting base (1), characterized in that: A pyramid (2) is vertically arranged on the central axis of the mounting base (1). An upper plate assembly (6) is fitted on the pyramid (2). The pyramid (2) includes an upper cone (202) and a lower support column (201). The cone shape of the upper cone (202) is inverted above the upper plate assembly (6). The lower support column (201) passes through the upper plate assembly (6) and is fixedly set on the mounting base (1). A guide column (3) is fixedly fitted on the outside of the lower support column (201). A guide sleeve (4) is fitted on the outside of the guide column (3). The guide sleeve (4) is slidably set on the guide column (3). The outer wall of the guide sleeve (4) is... A number of connecting support plates (5) are evenly distributed radially. The top of the connecting support plates (5) is fixedly set below the upper plate assembly (6). A number of lifting components (11) are evenly distributed radially below the upper plate assembly (6). The lifting components (11) are set on the mounting base (1). A number of expanding claws (7) are evenly distributed on the outer edge of the cone (202). The expanding claws (7) are slidably set on the upper plate assembly (6). The expanding claws (7) are matched with a reset component (9). The reset component (9) resets the outwardly displaced expanding claws (7) to the center direction. A number of rotating roller assemblies (10) are evenly distributed radially on the upper plate assembly (6).

2. The heavy-duty ring forging forming machine according to claim 1, characterized in that: The upper plate assembly (6) includes an upper plate body (601), which is a ring structure. Several guide rail mounting grooves (602) are evenly distributed around the top end face of the upper plate body (601). The guide rail mounting grooves (602) are radially arranged. A guide rail assembly (8) is slidably arranged in the guide rail mounting grooves (602). Several idler roller mounting grooves (603) are also evenly distributed around the top end face of the upper plate body (601). The idler roller mounting grooves (603) are radially arranged. A rotating idler roller assembly (10) is arranged in the idler roller mounting grooves (603).

3. The heavy-duty ring forging forming machine according to claim 2, characterized in that: The rotating idler assembly (10) includes a rotating idler (1001), a rotating motor (1002), a rotating encoder (1003), a support roller (1004), and an upper cover plate (1005). The rotating idler (1001) is installed in the idler mounting groove (603). The rotating motor (1002) is installed at one end of the shaft of the rotating idler (1001). The rotating motor (1002) is fixedly installed on the outer ring wall of the upper plate body (601). The rotating encoder (1003) is installed on the rotating motor (1002). The support roller (1004) is installed below the rotating idler (1001), and the upper cover plate (1005) is installed above the rotating idler (1001).

4. The heavy-duty ring forging forming machine according to claim 3, characterized in that: The outer circular surface of the rotating roller (1001) is provided with a knurled groove (10011), and the outer edge surface of the rotating roller (1001) is also provided with a smooth cylindrical surface (10012), which matches and corresponds to the support position of the support roller (1004).

5. A heavy-duty ring forging forming machine according to claim 4, characterized in that: The expansion claw (7) is a unit piece that is a cylinder evenly cut into several parts along the central axis. The cylinder is provided with a conical hole along the central axis. The conical hole is matched with the conical body (202). The inner side of the expansion claw (7) is a conical inclined surface (701). The outer edge of the expansion claw (7) is a cylindrical surface (702). A connecting plate (703) is provided below the expansion claw (7). The connecting plate (703) is fixedly connected to the guide rail assembly (8).

6. The heavy-duty ring forging forming machine according to claim 5, characterized in that: The upper plate assembly (6) is radially and evenly slidably provided with a number of guide rail assemblies (8). The guide rail assembly (8) includes a sliding guide rail (801) and a connecting block (802). The sliding guide rail (801) is slidably disposed in the guide rail mounting groove (602). One end of the sliding guide rail (801) is fixedly connected to the connecting plate (703), and the other end is provided with a connecting block (802). The connecting block (802) is disposed below the sliding guide rail (801). The guide rail mounting groove (602) is also provided with a vertically penetrating movable groove (604). The movable groove (604) is matched with the connecting block (802). The connecting block (802) is disposed through the movable groove (604). The connecting block (802) is fixedly disposed with the reset assembly (9).

7. A heavy-duty ring forging forming machine according to claim 5, characterized in that: The reset assembly (9) includes a reset cylinder (901) and a first displacement sensor (902). The reset cylinder (901) is fixedly mounted on the upper plate body (601). The piston rod end of the reset cylinder (901) is fixedly connected to the connecting block (802). The first displacement sensor (902) is matched and mounted on the reset cylinder (901).

8. A heavy-duty ring forging forming machine according to claim 2, characterized in that: The lifting assembly (11) includes a lifting cylinder (1101), a pressure flange (1102), and a second displacement sensor (1103). The lifting cylinder (1101) is vertically arranged, with its bottom fixedly mounted on the mounting base (1). The output piston rod is arranged facing upwards, and the pressure flange (1102) is provided at the top of the piston rod. The pressure flange (1102) is fixedly arranged below the upper plate body (601), and the second displacement sensor (1103) is matched and arranged on the lifting cylinder (1101).

9. A heavy-duty ring forging forming machine according to claim 6, characterized in that: The bulging claw (7) is matched with a mold assembly (12), the mold assembly (12) includes an annular segment (1201), the annular segment (1201) is a unit arc segment with different diameters evenly divided in the circumference, the annular segments (1201) with different diameters are arranged radially on the sliding guide rail (801) in order of increasing diameter, and the annular segment (1201) with the smallest diameter is located on the cylindrical surface (702) side of the bulging claw (7).

10. A heavy-duty ring forging forming machine according to claim 9, characterized in that: The bottom of the annular segment (1201) is provided with a slot (12011), which is matched with the sliding guide rail (801), and the annular segment (1201) is locked on the sliding guide rail (801).

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