Combined type casting and forging hydraulic machine

Abstract

The utility model discloses a combined type casting and forging hydraulic machine which comprises a base, a lower die is fixedly arranged on the upper surface of the base, a mounting plate is fixedly arranged on the upper surface of the base, a hydraulic rod is fixedly arranged on the outer surface of the mounting plate, an upper die is fixedly connected to the lower end of the hydraulic rod, and a sealing mechanism is arranged on the upper surface of the base. And the sealing mechanism is used for sealing the gap between the lower die and the upper die and adjusting the volume of the forming cavity of the lower die and the upper die. According to the combined type casting and forging hydraulic machine, molten metal is injected into the cavities of the lower die and the upper die through the injection pipe after the lower die and the upper die are closed, casting forming is achieved, the process of heating a casting again is omitted in the mode that the upper die is driven by the hydraulic rod to conduct forging gradually, heat consumption is reduced, meanwhile, the machining efficiency is improved, and the production cost is reduced. The lifting of the adjusting block is matched with the use of the closed ring, so that the upper die can be used for forging a casting protruding out of the lower die after the closed ring slides open.

Description

Technical Field

[0001] The utility model relates to the technical field of casting and forging hydraulic presses, in particular to a combined casting and forging hydraulic press. Background Art

[0002] In the processing of metal parts, casting, forging, welding and various mechanical processing techniques are usually used for processing. For parts with complex shapes but low mechanical properties, casting can generally be used for processing. For parts with high mechanical properties but not very complex shapes, forging and then mechanical processing are required; but for parts with high performance requirements and complex shapes, a large amount of complex mechanical processing is required after forging. In order to speed up the processing rate and ensure the processing quality, the casting-forging combined process can be used for processing. The processing process of the casting-forging combined process is to first cast the blank by casting, then reheat the blank, and then put it into the forging die for die forging. However, this method will prolong the processing speed of the workpiece, and the blank needs to consume a lot of heat energy during the reheating process, which is not conducive to environmental protection and energy saving. Utility Model Content

[0003] The utility model aims to provide a combined casting and forging hydraulic press to solve the problems of low processing efficiency and large amount of heat energy consumption proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined casting and forging hydraulic press, comprising a base, a lower die is fixedly arranged on the upper surface of the base, and a mounting plate is fixedly arranged on the upper surface of the base, a hydraulic rod is fixedly arranged on the outer surface of the mounting plate, and the lower end of the hydraulic rod is fixedly connected to the upper die, and a closing mechanism is arranged on the upper surface of the base, through which the gap between the lower die and the upper die is closed and the volume of the molding cavity formed by the lower die and the upper die is adjusted.

[0005] Preferably, the closing mechanism comprises: a closing ring, which is arranged between the lower mold and the upper mold, an adjusting electric push rod is fixedly mounted on the upper surface of the base, and one end of the adjusting electric push rod is fixedly connected to the closing ring, and an injection pipe is arranged on the side surface of the closing ring on one side, a sliding adjusting block is installed in the middle of the interior of the lower mold, an adjusting rod is rotatably connected to the middle of the upper surface of the base, and the lower end of the adjusting rod is fixedly connected to an adjusting gear, an adjusting motor is fixedly mounted on the upper surface of the base, and the lower end of the output shaft of the adjusting motor is fixedly connected to a center gear.

[0006] By adopting the above technical solution, the lower mold and the upper mold can form a closed cavity for casting.

[0007] Preferably, the injection pipe is a two-stage sliding connection, and one end of the injection pipe is fixedly connected to the closed ring, the adjustment block is threadedly connected to the adjustment rod, the adjustment gear is meshingly connected to the center gear, and the output shaft of the adjustment motor is slidingly connected to the center gear.

[0008] By adopting the above technical solution, the central gear can slide up and down to maintain connection with the output shaft of the regulating motor.

[0009] Preferably, an ash removal mechanism is provided on the upper surface of the base, through which forging impurities are blown away and the forging is prevented from cooling too quickly.

[0010] By adopting the above technical solution, forging impurities can be blown away from the casting.

[0011] Preferably, the dust removal mechanism includes: a switching electric push rod, the switching electric push rod is fixedly installed inside the lower surface of the base, a driven gear is rotatably installed inside the upper surface of the base, a guide cylinder is fixedly provided on the upper surface of the base above the driven gear, an impeller is fixedly connected to the upper end of the rotating shaft of the driven gear, an electric heating pipe is fixedly installed inside the upper end of the guide cylinder, and an air outlet is fixedly connected to the upper end of the guide cylinder.

[0012] By adopting the above technical solution, the air outlet can reduce the speed of gradual cooling through hot air.

[0013] Preferably, the upper end of the switching electric push rod is rotatably connected to the lower end of the rotating shaft of the central gear, and the central gear is meshingly connected to the driven gear, and the driven gear is designed in a long strip shape.

[0014] By adopting the above technical solution, the driven gear can maintain connection with the central gear when the central gear slides.

[0015] Preferably, the lower end side surface of the guide cylinder is provided with air holes, and the air holes on the side surface of the guide cylinder are located below the side of the impeller, and the air outlet is arranged downward toward the lower mold.

[0016] By adopting the above technical solution, the impeller can draw external air into the guide cylinder through the air holes.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the combined casting and forging hydraulic press:

[0018] 1. Casting is achieved by injecting molten metal into the cavities of the lower and upper dies through an injection pipe after the lower and upper dies are closed, and then the upper die is driven by a hydraulic rod to gradually forge, eliminating the process of reheating the casting, reducing heat consumption and speeding up processing efficiency;

[0019] 2. Furthermore, by adjusting the lifting and lowering of the regulating block and using the closed ring, the inner cavity formed by the lower die and the upper die can accommodate more molten metal during casting, so that the upper die can forge the casting protruding from the lower die after the closed ring slides open, eliminating the process of transferring the casting;

[0020] 3. Furthermore, the rotation of the center gear drives the driven gear and the impeller to rotate, and the airflow driven by the impeller cooperates with the electric heating tube to blow away the hot air to blow away the impurities generated by the forging of the casting in the lower die and slow down the cooling speed of the casting in the lower die. At the same time, the electric push rod is switched to drive the center gear to slide up and down to achieve the switching of the connection state with the adjusting gear, thereby ensuring the position stability of the adjusting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the connection between the base and the guide cylinder of the utility model;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the overall cutaway surface of the utility model;

[0024] Figure 4 This is a three-dimensional structural diagram of the cross-section surface connecting the central gear and the driven gear of the utility model;

[0025] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0026] Figure 6 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0027] In the figure: 1. base; 2. lower mold; 3. mounting plate; 4. hydraulic rod; 5. upper mold; 6. adjusting electric push rod; 7. closing ring; 8. injection pipe; 9. adjusting block; 10. adjusting rod; 11. adjusting gear; 12. adjusting motor; 13. center gear; 14. switching electric push rod; 15. driven gear; 16. guide cylinder; 17. impeller; 18. electric heating tube; 19. air outlet. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-6 The utility model provides a technical solution: a combined casting and forging hydraulic press.

[0030] Embodiment 1

[0031] The present embodiment discloses: a base 1, a lower mold 2 is fixedly arranged on the upper surface of the base 1, and a mounting plate 3 is fixedly arranged on the upper surface of the base 1, a hydraulic rod 4 is fixedly arranged on the outer surface of the mounting plate 3, and an upper mold 5 is fixedly connected to the lower end of the hydraulic rod 4, and a closing mechanism is arranged on the upper surface of the base 1, and the closing mechanism is used to close the gap between the lower mold 2 and the upper mold 5 and adjust the volume of the cavity formed by the lower mold 2 and the upper mold 5;

[0032] The closing mechanism includes: a closing ring 7, which is arranged between the lower mold 2 and the upper mold 5, an adjusting electric push rod 6 is fixedly installed on the upper surface of the base 1, and one end of the adjusting electric push rod 6 is fixedly connected to the closing ring 7, and an injection pipe 8 is arranged on the side surface of the closing ring 7 on one side, a sliding adjusting block 9 is installed in the middle of the lower mold 2, an adjusting rod 10 is rotatably connected in the middle of the upper surface of the base 1, and an adjusting gear 11 is fixedly connected at the lower end of the adjusting rod 10, an adjusting motor 12 is fixedly installed on the upper surface of the base 1, and a central gear 13 is fixedly connected at the lower end of the output shaft of the adjusting motor 12;

[0033] The injection pipe 8 is a two-stage sliding connection, and one end of the injection pipe 8 is fixedly connected to the closed ring 7, the adjustment block 9 is threadedly connected to the adjustment rod 10, the adjustment gear 11 is meshedly connected to the central gear 13, and the output shaft of the adjustment motor 12 is slidingly connected to the central gear 13;

[0034] During casting, a sufficient amount of molten metal is injected into the space between the lower mold 2 and the upper mold 5 through the injection pipe 8 above the base 1. After the molten metal is cooled, the adjusting electric push rod 6 is started. The adjusting electric push rod 6 drives the closed rings 7 on both sides to slide and separate from the casting formed between the lower mold 2 and the upper mold 5. Then the hydraulic rod 4 on the mounting plate 3 is started to drive the upper mold 5 to move up and separate from the lower mold 2 to expose gradually. At this time, the adjusting motor 12 is started. The adjusting motor 12 drives the central gear 13 to rotate. The central gear 13 drives the adjusting gear 11 and the adjusting rod 10 to rotate through the meshing connection with the adjusting gear 11. The adjusting rod 10 drives the adjusting block 9 to move down to the same height as the thickness of the closed ring 7 through the threaded connection with the adjusting block 9, so that after the closed ring 7 is drawn, the upper mold 5 can forge the casting by sliding down without being blocked by the adjusting block 9.

[0035] Embodiment 2

[0036] This embodiment is disclosed on the basis of the embodiment 1: the upper surface of the base 1 is provided with an ash removal mechanism, through which forging impurities are blown away and the forging is prevented from cooling too quickly;

[0037] The dust removal mechanism includes: a switching electric push rod 14, which is fixedly installed inside the lower surface of the base 1, a driven gear 15 is rotatably installed inside the upper surface of the base 1, a guide cylinder 16 is fixedly arranged on the upper surface of the base 1 above the driven gear 15, an impeller 17 is fixedly connected to the upper end of the rotating shaft of the driven gear 15, an electric heating pipe 18 is fixedly installed inside the upper end of the guide cylinder 16, and an air outlet 19 is fixedly connected to the upper end of the guide cylinder 16;

[0038] The upper end of the switching electric push rod 14 is rotatably connected to the lower end of the rotating shaft of the central gear 13, and the central gear 13 is meshedly connected to the driven gear 15, and the driven gear 15 is designed in a long strip shape;

[0039] The lower end side surface of the guide cylinder 16 is provided with air holes, and the air holes on the side surface of the guide cylinder 16 are located below the impeller 17, and the air outlet 19 is arranged downward toward the lower mold 2;

[0040] After the adjustment of the adjustment block 9 is completed, the switching electric push rod 14 is started, and the switching electric push rod 14 drives the central gear 13 to slide down and disengage from the meshing with the adjustment gear 11. At this time, when the adjustment motor 12 continues to rotate, it drives the driven gear 15 to rotate. The driven gear 15 drives the impeller 17 to rotate through the air holes below the guide cylinder 16 to draw in external air and discharge it upward. After being heated by the electric heating tube 18, the air is discharged through the air outlet 19 and blown to the forged casting in the lower mold 2, so that the impurities precipitated on the surface of the casting are blown away and the speed of gradual cooling is reduced, so that the upper mold 5 can forge the casting by sliding down. After forging is completed, the forging is clamped and lifted by a clamp and moved laterally out of the base 1.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined casting and forging hydraulic press, comprising a base (1), a lower die (2), a mounting plate (3), a hydraulic rod (4), an upper die (5), an adjusting electric push rod (6), a closed ring (7), an injection pipe (8), an adjusting block (9), an adjusting rod (10), an adjusting gear (11), an adjusting motor (12), a central gear (13), a switching electric push rod (14), a driven gear (15), a guide cylinder (16), an impeller (17), an electric heating pipe (18), and an air outlet (19), comprising a base (1), a lower die (2) being fixedly arranged on the upper surface of the base (1), and a mounting plate (3) being fixedly arranged on the upper surface of the base (1), a hydraulic rod (4) being fixedly arranged on the outer surface of the mounting plate (3), and an upper die (5) being fixedly connected to the lower end of the hydraulic rod (4), characterized in that: The upper surface of the base (1) is provided with a closing mechanism, through which the gap between the lower die (2) and the upper die (5) is closed and the volume of the cavity formed by the lower die (2) and the upper die (5) is adjusted.

2. A combined casting and forging hydraulic press according to claim 1, characterized in that: The sealing mechanism comprises: a sealing ring (7), the sealing ring (7) being arranged between the lower die (2) and the upper die (5), an adjusting electric push rod (6) being fixedly mounted on the upper surface of the base (1), and one end of the adjusting electric push rod (6) being fixedly connected to the sealing ring (7), and an injection pipe (8) being arranged on the side surface of the sealing ring (7) on one side, a sliding adjusting block (9) being mounted in the middle of the inner part of the lower die (2), an adjusting rod (10) being rotatably connected in the middle of the upper surface of the base (1), and an adjusting gear (11) being fixedly connected at the lower end of the adjusting rod (10), and an adjusting motor (12) being fixedly mounted on the upper surface of the base (1), and a central gear (13) being fixedly connected at the lower end of the output shaft of the adjusting motor (12).

3. A combined casting and forging hydraulic press according to claim 2, characterized in that: The injection pipe (8) is a two-stage sliding connection, and one end of the injection pipe (8) is fixedly connected to the closed ring (7), the adjustment block (9) and the adjustment rod (10) are threadedly connected, the adjustment gear (11) and the central gear (13) are meshedly connected, and the output shaft of the adjustment motor (12) and the central gear (13) are slidingly connected.

4. A combined casting and forging hydraulic press according to claim 1, characterized in that: The upper surface of the base (1) is provided with an ash removal mechanism, through which forging impurities are blown away and the forging is prevented from cooling too quickly.

5. A combined casting and forging hydraulic press according to claim 4, characterized in that: The dust removal mechanism comprises: a switching electric push rod (14), the switching electric push rod (14) is fixedly mounted inside the lower surface of the base (1), a driven gear (15) is rotatably mounted inside the upper surface of the base (1), a guide cylinder (16) is fixedly arranged on the upper surface of the base (1) above the driven gear (15), an impeller (17) is fixedly connected to the upper end of the rotating shaft of the driven gear (15), an electric heating pipe (18) is fixedly mounted inside the upper end of the guide cylinder (16), and an air outlet (19) is fixedly connected to the upper end of the guide cylinder (16).

6. A combined casting and forging hydraulic press according to claim 5, characterized in that: The upper end of the switching electric push rod (14) is rotatably connected to the lower end of the rotating shaft of the central gear (13), and the central gear (13) is meshingly connected to the driven gear (15), and the driven gear (15) is designed in a long strip shape.

7. A combined casting and forging hydraulic press according to claim 5, characterized in that: The lower end side surface of the guide cylinder (16) is provided with air holes, and the air holes on the side surface of the guide cylinder (16) are located below the side of the impeller (17), and the air outlet (19) is arranged downward toward the lower mold (2).

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