Precipitation hardening steel forge piece machining method and shaping device

Abstract

The invention provides a processing method of a precipitation-hardening steel forge piece, which comprises the following steps of: preparation before forging: firstly, placing a steel billet of which a workpiece needs to be manufactured in a preheating device for preheating the steel billet, and after preheating is finished, placing the steel billet in a heating device for high-temperature heating; s2, forging: placing the steel billet heated at high temperature in the S1 on forging equipment, and forging the steel billet by using a die and a tool which need to manufacture a workpiece; and carrying out solution treatment, improving plasticity and toughness, and carrying out aging treatment, detection and testing. According to the processing method of the precipitation-hardening steel forge piece, preparation before billet forging is carried out in the step S1, the selected billet can be placed in the preheating device for billet preheating operation, thermal stress in the heating process can be reduced, the risk of billet cracking can be reduced, and therefore when the billet is forged after being heated, the forging quality of the billet is improved. And the strength and hardness of the steel billet can be improved.

Description

Technical Field

[0001] The invention relates to the field of metal part forging production, and in particular to a precipitation hardening steel forging processing method and a shaping device. Background Art

[0002] Precipitation hardening steel forgings are a kind of metal product with high strength, high toughness and good corrosion resistance.

[0003] The patent application with announcement number CN112008026A proposed in the prior art uses a shaping ring to shape the blank into a qualified columnar structure, and then uses a positioning mechanism to position the punching rod, so that when the punching rod punches a hole in the blank, the hole position and the blank are coaxially arranged, thereby achieving fast and qualified forging of the ring part, and can reduce subsequent turning processes or time, effectively reducing costs.

[0004] However, in current precipitation hardening steel forging operations, after selecting the steel billet for the workpiece, the steel billet is directly placed in a heating device for heating and forging. However, directly heating the steel billet after selecting it is likely to cause the strength and hardness of the steel billet to decrease, and the hardness and strength of the steel billet cannot be improved.

[0005] Therefore, it is necessary to provide a precipitation hardening steel forging processing method to solve the above technical problems. Summary of the invention

[0006] The present invention provides a precipitation hardening steel forging processing method, which solves the problem that in the current precipitation hardening steel forging operation, after the steel billet of the workpiece is selected, the steel billet is directly placed in a heating device for heating and forging, but directly heating after the steel billet is directly selected is likely to cause the strength and hardness of the steel billet to decrease, and the hardness and strength of the steel billet cannot be improved.

[0007] In order to solve the above technical problems, the present invention provides a precipitation hardening steel forging processing method, comprising the following steps:

[0008] S1. Preparation before forging: First, the steel billet to be made into a workpiece is placed in a preheating device for preheating of the steel billet. After the preheating is completed, the steel billet is placed in a heating device for high-temperature heating;

[0009] S2, forging: placing the steel billet heated at high temperature in S1 on the forging equipment, and performing the forging operation of the steel billet using the mold and tools required to make the workpiece;

[0010] S3, solution treatment: the forged steel billet in S2 is subjected to solution treatment. After the forged steel billet is subjected to solution treatment, the cooling rate is increased by spray cooling to make the structure of the steel billet more uniform, thereby improving the plasticity and toughness.

[0011] S4, aging treatment: placing the steel billet after solid solution treatment in S3 at a certain temperature for heat preservation, so that fine precipitation phases are precipitated in the steel billet, further improving the strength and hardness of the steel billet;

[0012] S5. Inspection and testing: Inspect and test the processed forgings.

[0013] A shaping device for processing precipitation hardened steel forgings, characterized in that it comprises a workbench and a method for processing precipitation hardened steel forgings, wherein a forging machine body is arranged on the surface of the workbench;

[0014] A workbench, a forging machine body is arranged on the surface of the workbench;

[0015] A plurality of through slots, wherein the plurality of through slots are respectively formed on the outer surface of the workbench, and a guide cover is connected to the surface of the workbench and located on a side opposite to the through slots;

[0016] A collection box, the collection box is arranged inside the workbench, and a movable component is arranged at the bottom of the workbench and below the collection box;

[0017] A cooling device is arranged inside the workbench and above the collection box.

[0018] Preferably, the cooling device comprises a controller, one side of the controller is connected to a connecting line, and one end of the connecting line is connected to a fan.

[0019] Preferably, a hydraulic telescopic rod is installed at the center position of the top of the inner wall of the workbench.

[0020] Preferably, one end of the hydraulic telescopic rod is connected to a rotating device, the rotating device comprises a motor, and one end of the motor output shaft is fixedly connected to a rotating blade via a coupling.

[0021] Preferably, the movable component comprises a movable plate, and movable blocks are connected to both left and right sides of the movable plate, and movable grooves adapted to the movable blocks are provided on the inner wall of the workbench.

[0022] Preferably, a box door is provided on one side of the workbench, and a handle is connected to the surface of the box door.

[0023] Preferably, a fixing component is provided between the workbench and the collection box, the fixing component comprises an external thread block, a U-shaped groove matching the external thread block is provided on the surface of the workbench, and a threaded sleeve is threadedly connected to the surface of the external thread block.

[0024] Preferably, a placement component is provided on one side of the workbench, and the placement component includes a fixing plate, and the top and bottom of the fixing plate are both connected to rectangular plates, and a U-shaped groove is opened on the surface of one of the rectangular plates.

[0025] Preferably, a fixing piece is provided on one side of the two rectangular plates.

[0026] Compared with the related art, the precipitation hardening steel forging processing method provided by the present invention has the following advantages:

[0027] Beneficial effects:

[0028] The present invention provides a precipitation hardening steel forging processing method. In S1, the steel billet is prepared before forging. The selected steel billet can be placed in a preheating device for preheating the steel billet, which can reduce thermal stress during the heating process and reduce the risk of cracking of the steel billet. Therefore, when the steel billet is forged after being heated, the strength and hardness of the steel billet can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic structural diagram of a first embodiment of a precipitation hardening steel forging processing method provided by the present invention;

[0030] Figure 2 A schematic structural diagram of a second embodiment of a precipitation hardening steel forging processing method provided by the present invention;

[0031] Figure 3 for Figure 2 An enlarged schematic diagram of part A is shown;

[0032] Figure 4 for Figure 2 A schematic diagram of the three-dimensional structure of the entire internal structure of the device shown;

[0033] Figure 5 for Figure 4 An enlarged schematic diagram of part B is shown;

[0034] Figure 6 for Figure 2 A schematic diagram of the overall three-dimensional structure of the device shown;

[0035] Figure 7 for Figure 2 An isometric structural diagram of the entire device shown;

[0036] Figure 8 for Figure 7 An enlarged schematic diagram of part C is shown;

[0037] Fig. 9 A schematic structural diagram of a second embodiment of a precipitation hardening steel forging processing method provided by the present invention;

[0038] Fig.10 A schematic structural diagram of a third embodiment of a precipitation hardening steel forging processing method provided by the present invention.

[0039] Numbers in the figure: 1, workbench; 2, forging machine body; 3, through slot; 4, guide cover; 5, collection box;

[0040] 6. Cooling device; 61. Controller; 62. Connecting wire; 63. Fan;

[0041] 7. Hydraulic telescopic rod;

[0042] 8. Rotating device; 81. Motor; 82. Rotating blade;

[0043] 9. movable assembly; 91. movable plate; 92. movable block; 93. movable slot;

[0044] 10. Box door;

[0045] 11. fixing assembly; 111. external thread block; 112. U-shaped groove; 113. threaded sleeve;

[0046] 12. Handle;

[0047] 13. Placement component; 131. Fixing plate; 132. Rectangular plate; 133. U-shaped slot; 134. Fixing piece. DETAILED DESCRIPTION

[0048] The present invention will be further described below in conjunction with the accompanying drawings and implementation modes.

[0049] First embodiment

[0050] Please refer to Figure 1 ,in, Figure 1 The present invention provides a method for processing precipitation hardened steel forgings according to a first embodiment of the structure of the method. A precipitation hardened steel forging processing method comprises the following steps:

[0051] S1. Preparation before forging: First, the steel billet to be made into a workpiece is placed in a preheating device for preheating of the steel billet. After the preheating is completed, the steel billet is placed in a heating device for high-temperature heating;

[0052] S2, forging: placing the steel billet heated at high temperature in S1 on the forging equipment, and performing the forging operation of the steel billet using the mold and tools required to make the workpiece;

[0053] S3, solution treatment: the forged steel billet in S2 is subjected to solution treatment. After the forged steel billet is subjected to solution treatment, the cooling rate is increased by spray cooling to make the structure of the steel billet more uniform, thereby improving the plasticity and toughness.

[0054] S4, aging treatment: placing the steel billet after solid solution treatment in S3 at a certain temperature for heat preservation, so that fine precipitation phases are precipitated in the steel billet, further improving the strength and hardness of the steel billet;

[0055] S5. Inspection and testing: Inspect and test the processed forgings.

[0056] Optimize aging temperature and time: Determine the optimal aging temperature and time through experiments and analysis to ensure the precipitation of fine precipitate phase in the steel and improve the strength and hardness of the steel. Different combinations of aging temperature and time can be used to study their effects on the properties of the steel and provide an optimization plan for aging treatment.

[0057] Adopt graded aging treatment: You can try to adopt graded aging treatment process, that is, carry out multiple aging treatments at different temperatures to improve the precipitation effect of the precipitate phase and further improve the performance of the steel.

[0058] Compared with the related art, the precipitation hardening steel forging processing method provided by the present invention has the following advantages:

[0059] Beneficial effects:

[0060] The present invention provides a precipitation hardening steel forging processing method. In S1, the steel billet is prepared before forging. The selected steel billet can be placed in a preheating device for preheating the steel billet, which can reduce thermal stress during the heating process and reduce the risk of cracking of the steel billet. Therefore, when the steel billet is forged after being heated, the strength and hardness of the steel billet can be improved.

[0061] Second embodiment

[0062] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 Based on the first embodiment of the present application, a forming device for processing precipitation hardened steel forgings is provided. The second embodiment of the present application provides another forming device for processing precipitation hardened steel forgings. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0063] Specifically, the second embodiment of the present application provides a shaping device for processing precipitation hardened steel forgings, which is different in that a shaping device for processing precipitation hardened steel forgings is characterized by comprising a workbench 1 and a precipitation hardened steel forging processing method, wherein a forging machine body is provided on the surface of the workbench 1;

[0064] A plurality of through slots 3, wherein the plurality of through slots 3 are respectively formed on the outer surface of the workbench 1, and a guide cover 4 is connected to the surface of the workbench 1 and located on a side opposite to the through slots 3;

[0065] A collection box 5, wherein the collection box 5 is arranged inside the workbench 1, and a movable component 9 is arranged at the bottom of the workbench 1 and below the collection box 5;

[0066] A cooling device 6 is disposed inside the workbench 1 and above the collecting box 5 .

[0067] The cooling device 6 includes a controller 61 . A connecting line 62 is connected to one side of the controller 61 . A fan 63 is connected to one end of the connecting line 62 .

[0068] The cooling device 6 and the rotating device 8 can turn over and cool down the residue inside the collection box 5. The use of the hydraulic telescopic rod 7 makes it easy to adjust the upper and lower positions of the rotating device 8. When the residue inside the collection box 5 is rotated and cooled, the hydraulic telescopic rod 7 is first started to drive the rotating device 8 to move to contact the residue inside the collection box 5. When the rotating device 8 contacts the residue inside the collection box 5, the hydraulic telescopic rod 7 is stopped, and then the motor 81 is started to drive the rotating blades 82 to turn over the residue inside the collection box 5. When the motor 81 drives the rotating blades 82 to turn over the residue inside the collection box 5, the fan 63 is started through the controller 61 to cool the residue inside the collection box 5.

[0069] A hydraulic telescopic rod 7 is installed at the center of the top of the inner wall of the workbench 1.

[0070] One end of the hydraulic telescopic rod 7 is connected to a rotating device 8, and the rotating device 8 includes a motor 81. One end of the output shaft of the motor 81 is fixedly connected to a rotating blade 82 through a coupling.

[0071] The movable assembly 9 includes a movable plate 91 , and movable blocks 92 are connected to the left and right sides of the movable plate 91 . The inner wall of the workbench 1 is provided with movable grooves 93 adapted to the movable blocks 92 .

[0072] A mounting groove compatible with the movable plate 91 is provided at the bottom of the workbench 1. The movable plate 91 is used to prevent the rotating device 8 inside the collection box 5 from being blocked when the collection box 5 inside the workbench 1 is taken out. When the collection box 5 is disassembled and cleaned, the movable plate 91 is first pulled to move to the outside of the workbench 1. When the movable plate 91 moves to the outside of the workbench 1, it drives the movable block 92 to separate from the movable groove 93 inside the workbench 1, and then the collection box 5 is pulled downward to separate from the rotating device 8, and then the collection box 5 is pulled out through the outside of the outer workbench 1 to clean the residue.

[0073] A door 10 is disposed on one side of the workbench 1 , and a handle 12 is connected to the surface of the door 10 .

[0074] The working principle of a shaping device for processing precipitation hardened steel forgings provided by the present invention is as follows:

[0075] During use, when cleaning the residue after forging the steel billet on the surface of the workbench 1, the staff first pushes the residue to the inside of the guide cover 4 with a tool. After the residue is pushed to the inside of the guide cover 4, it falls into the collection box 5 inside the workbench 1 through the through groove 3 opened on the surface of the workbench 1.

[0076] Compared with the related art, the shaping device for processing precipitation hardened steel forgings provided by the present invention has the following beneficial effects:

[0077] The present invention provides a precipitation hardening steel forging processing method, wherein a plurality of through grooves 3 are opened on the surface of a workbench 1 with a forging machine body 2, and a plurality of guide covers 4 are arranged on the side of the workbench 1 for use in conjunction with a collecting box 5 and a cooling device 6. When a heated steel billet is placed on the surface of the workbench 1 for extrusion and hammering by the forging machine body 2, the residues falling from the surface of the steel billet can be cleaned into the inside of the guide cover 4, and fall into the inside of the collecting box 5 through the through grooves 3 for centralized collection, which is convenient for later cleaning.

[0078] Third embodiment

[0079] Please refer to Fig. 9 Based on the first embodiment of the present application, a forming device for processing precipitation hardened steel forgings is provided. The third embodiment of the present application provides another forming device for processing precipitation hardened steel forgings. The third embodiment is only a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0080] Specifically, the difference of the forming device for processing precipitation hardened steel forgings provided in the third embodiment of the present application is that, in a forming device for processing precipitation hardened steel forgings, a fixing component 11 is arranged between the workbench 1 and the collection box 5, and the fixing component 11 includes an external thread block 111, and a U-shaped groove 112 adapted to the external thread block 111 is opened on the surface of the workbench 1, and a threaded sleeve 113 is threadedly connected to the surface of the external thread block 111.

[0081] The U-shaped groove 112 is provided to facilitate installation and removal of the external thread block 111 . The external thread block 111 and the threaded sleeve 113 can be used to install the collecting box 5 inside the workbench 1 in a tightly locked manner.

[0082] The working principle of a shaping device for processing precipitation hardened steel forgings provided by the present invention is as follows:

[0083] During use, when the collecting box 5 is disassembled, after the movable plate 91 at the bottom of the workbench 1 is removed, the threaded sleeve 113 on the surface of the external threaded block 111 is rotated and taken out. After the threaded sleeve 113 is taken out, the collecting box 5 is pulled to separate the external threaded block 111 from the U-shaped groove 112.

[0084] Compared with the related art, the shaping device for processing precipitation hardened steel forgings provided by the present invention has the following beneficial effects:

[0085] The present invention provides a precipitation hardening steel forging processing method. An external thread block 111, a U-shaped groove 112 and a threaded sleeve 113 are arranged between a workbench 1 and a collecting box 5, so that when a movable plate 91 at the bottom of the workbench 1 is disassembled, the collecting box 5 inside the workbench 1 can be fixed, thereby preventing the collecting box 5 from falling off when the movable plate 91 is disassembled.

[0086] Fourth embodiment

[0087] Please refer to Fig.10 Based on the first embodiment of the present application, a forming device for processing precipitation hardened steel forgings is provided. The fourth embodiment of the present application provides another forming device for processing precipitation hardened steel forgings. The fourth embodiment is only a preferred embodiment of the first embodiment, and the implementation of the fourth embodiment will not affect the independent implementation of the first embodiment.

[0088] Specifically, the fourth embodiment of the present application provides a forming device for processing precipitation-hardened steel forgings, which is different in that a forming device for processing precipitation-hardened steel forgings is provided with a placement component 13 on one side of the workbench 1, and the placement component 13 includes a fixed plate 131, and the top and bottom of the fixed plate 131 are connected to rectangular plates 132, and a U-shaped groove 133 is opened on the surface of one of the rectangular plates 132.

[0089] The fixing part 134 is composed of a rectangular block and a bolt. The fixing part 134 installs the fixing plate 131 with two rectangular plates 132 on the surface of the workbench 1. The use of the U-shaped slot 133 can play a card connection role when the tool is placed. The use of another rectangular plate 132 can support the bottom of the tool after the tool is placed inside the U-shaped slot 133.

[0090] A fixing member 134 is disposed on one side of the two rectangular plates 132 .

[0091] The working principle of a shaping device for processing precipitation hardened steel forgings provided by the present invention is as follows:

[0092] When in use, when placing the tool, just place the tool between the rectangular plate 132 with the U-shaped slot 133 and another rectangular plate 132 .

[0093] Compared with the related art, the shaping device for processing precipitation hardened steel forgings provided by the present invention has the following beneficial effects:

[0094] The present invention provides a precipitation hardening steel forging processing method. A placement component 13 is arranged on the surface of a workbench 1 to facilitate the placement of tools required for the entire device and to facilitate workers to take the tools during operation.

[0095] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for processing precipitation hardened steel forgings, characterized in that: The following steps are involved: S1. Preparation before forging: First, the steel billet to be made into a workpiece is placed in a preheating device for preheating of the steel billet. After the preheating is completed, the steel billet is placed in a heating device for high-temperature heating; S2, forging: placing the steel billet heated at high temperature in S1 on the forging equipment, and performing the forging operation of the steel billet using the mold and tools required to make the workpiece; S3, solution treatment: the forged steel billet in S2 is subjected to solution treatment. After the forged steel billet is subjected to solution treatment, the cooling rate is increased by spray cooling to make the structure of the steel billet more uniform, thereby improving the plasticity and toughness. S4, aging treatment: placing the steel billet after solid solution treatment in S3 at a certain temperature for heat preservation, so that fine precipitation phases are precipitated in the steel billet, further improving the strength and hardness of the steel billet; S5. Inspection and testing: Inspect and test the processed forgings.

2. A forming device for processing precipitation hardened steel forgings, characterized in that: A method for processing precipitation hardened steel forgings comprising a workbench and claim 1, wherein a forging machine body is provided on the surface of the workbench; A plurality of through slots, wherein the plurality of through slots are respectively formed on the outer surface of the workbench, and a guide cover is connected to the surface of the workbench and located on a side opposite to the through slots; A collection box, the collection box is arranged inside the workbench, and a movable component is arranged at the bottom of the workbench and below the collection box; A cooling device is arranged inside the workbench and above the collection box.

3. The forming device for processing precipitation hardened steel forgings according to claim 2, characterized in that: The cooling device comprises a controller, one side of the controller is connected with a connecting line, and one end of the connecting line is connected with a fan.

4. The forming device for processing precipitation hardened steel forgings according to claim 2, characterized in that: A hydraulic telescopic rod is installed at the center position of the top of the inner wall of the workbench.

5. The forming device for precipitation hardening steel forging according to claim 4, characterized in that: One end of the hydraulic telescopic rod is connected to a rotating device, and the rotating device includes a motor. One end of the motor output shaft is fixedly connected to a rotating blade through a coupling.

6. The forming device for processing precipitation hardened steel forgings according to claim 2, characterized in that: The movable assembly comprises a movable plate, and movable blocks are connected to both left and right sides of the movable plate. The inner wall of the workbench is provided with movable grooves adapted to the movable blocks.

7. The forming device for precipitation hardening steel forging according to claim 2, characterized in that: A box door is arranged on one side of the workbench, and a handle is connected to the surface of the box door.

8. The forming device for precipitation hardening steel forging according to claim 2, characterized in that: A fixing assembly is arranged between the workbench and the collection box, and the fixing assembly includes an external thread block. A U-shaped groove matching the external thread block is provided on the surface of the workbench, and a threaded sleeve is threadedly connected to the surface of the external thread block.

9. The forming device for precipitation hardening steel forging according to claim 2, characterized in that: A placement component is arranged on one side of the workbench, and the placement component comprises a fixing plate, and the top and the bottom of the fixing plate are both connected with rectangular plates, and a U-shaped slot is opened on the surface of one of the rectangular plates.

10. The forming device for precipitation hardening steel forging according to claim 9, characterized in that: One side of the two rectangular plates is provided with a fixing piece.

Images