A stamping equipment and method for precision forging of aluminum alloy parts for washing machine chassis manufacturing

Abstract

This invention relates to the field of die forging technology and discloses a stamping equipment and method for precision die forging of aluminum alloy parts for washing machine chassis manufacturing. The equipment includes a frame and a hydraulic forming assembly. A drive assembly is fixedly installed at the right end of the hydraulic forming assembly, and a feeding assembly is provided at the bottom end of the hydraulic forming assembly. The drive assembly includes a one-way rack and a gear, with the one-way rack fixedly installed at the right end of the hydraulic forming assembly. In this invention, the upper die moves upward, driving the drive gear to rotate, which in turn drives the lead screw to rotate and drive the engagement frame to move to the left. When the upper die opens, the ejector rod pops out to push the die forging out. After the engagement frame drives the push block to move to the left, the push block can clamp the right end of the die forging and push it to the left. When the die forging leaves the lower die and the engagement frame moves to the right, the feeding rod, with only its right end being a slope, blocks the die forging, thus disengaging the die forging from the push block. This achieves automatic feeding and avoids the risk of burns associated with manual feeding.

Description

Technical Field

[0001] This invention relates to the field of die forging technology, and more specifically, to a stamping equipment and method for precision die forging of aluminum alloy parts for manufacturing washing machine chassis. Background Technology

[0002] Washing machine chassis are mostly frame-shaped, composed of multiple rectangular aluminum alloy parts. These chassis are typically formed by die forging. Die forging equipment involves placing a heated aluminum billet in a lower die and then pressing it into shape by moving the upper die downwards. However, due to the heated and pressurized forming method, a high temperature remains on the surface of the forged part after it has been formed into a precision forging. In existing technologies, operators often use clamps to remove the forging, which poses an operational risk. Summary of the Invention

[0003] To overcome the shortcomings of the prior art, the present invention provides a stamping equipment and method for precision aluminum alloy forging parts for manufacturing washing machine chassis, which has the advantages of automatic material feeding and reduced operational risks.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a stamping equipment for precision aluminum alloy forging parts for manufacturing washing machine chassis, comprising a frame and a hydraulic forming assembly, wherein a drive assembly is fixedly installed at the right end of the hydraulic forming assembly, and a feeding assembly is provided at the bottom end of the hydraulic forming assembly;

[0005] The drive assembly includes a one-way rack and a gear. The one-way rack is fixedly installed at the right end of the hydraulic forming assembly. The gear rotates to the right end connected to the inner cavity of the frame. Lead screws are rotatably connected to both the front and rear sides of the bottom end of the hydraulic forming assembly. A belt drive mechanism is connected between the gear and the lead screw.

[0006] The feeding assembly includes a meshing frame that meshes with a lead screw, and a push block is fixedly installed at the left end of the meshing frame.

[0007] As a preferred embodiment of the present invention, the hydraulic forming assembly includes a hydraulic press, which is fixedly installed at the top of the frame. An upper mold is fixedly installed at the output end of the hydraulic press, and a lower mold is provided at the bottom end of the upper mold. The lower mold is fixedly installed at the bottom end of the frame, and the area of ​​the lower mold is greater than that of the upper mold. A one-way rack is fixedly installed at the right end of the upper mold, and a lead screw is rotatably connected to the front and rear ends of the lower mold.

[0008] As a preferred embodiment of the present invention, the feeding assembly further includes a top rod, which is movably connected to the middle of the lower mold. A spring is fixedly installed at the bottom end of the top rod. A positioning frame is fixedly installed at the left end of the lower mold. The feeding rod is movably connected to the middle of the positioning frame. A spring is fixedly installed at the bottom end of the positioning frame. The right side of the top of the feeding rod is an inclined surface.

[0009] As a preferred embodiment of the present invention, the push block is an inclined inverted "F" shape, and the push block is located above the lower mold and fits against the lower mold.

[0010] As a preferred embodiment of the present invention, the front end of the one-way rack is provided with a one-way component, the one-way component includes a rotating tooth, the rotating tooth is rotatably connected to the front end of the one-way rack and is inclined upward, a spring plate and a limiting block are fixedly installed on the front side of the one-way rack, the spring plate is fixedly connected to the rotating tooth and is located above the rotating tooth, the limiting block is located below the rotating tooth, and the rotating tooth meshes with a gear.

[0011] As a preferred embodiment of the present invention, a spraying assembly is fixedly installed on the right side of the engagement frame. The spraying assembly includes a storage box, which is fixedly installed on the right side of the engagement frame. A pressure plate is slidably connected to the inner cavity of the storage box. A spring is fixedly installed between the bottom end of the pressure plate and the storage box. A nozzle is fixedly installed at the bottom end of the storage box.

[0012] As a preferred embodiment of the present invention, the spraying assembly further includes a one-way pipe and a pressure relief valve. The one-way pipe is L-shaped and fixedly installed on the right side of the bottom of the storage box, and the pressure relief valve is fixedly installed on the top of the pressure plate and located inside the storage box.

[0013] As a preferred embodiment of the present invention, an extrusion assembly is provided above the pressure plate. The extrusion assembly includes an installation groove and a pressure rod. The pressure rod is fixedly installed above the pressure plate. The installation groove is opened at the top of the lower mold. A wave rod is fixedly installed in the inner cavity of the installation groove.

[0014] As a preferred embodiment of the present invention, a reset assembly is fixedly installed at the right end of the inner cavity of the frame. The reset assembly includes a slide rail, which is fixedly installed at the right end of the inner cavity of the frame. A reset rack is slidably connected to the middle of the slide rail. The reset rack meshes with the front end of a gear. A telescopic rod and a spring are fixedly installed at the top of the reset rack. The bottom ends of the telescopic rod and the spring are fixedly installed at the bottom end of the inner cavity of the frame.

[0015] A die forging and stamping method for a precision aluminum alloy die forging stamping equipment used in manufacturing washing machine chassis, the die forging and stamping method comprising the following steps:

[0016] Place the aluminum billet in the middle of the lower mold, start the hydraulic press, and the hydraulic press drives the upper mold to move down, which in turn drives the one-way rack to move downward. At this time, because the bottom surface of the rotating tooth contacts the gear, it is obstructed by the gear and the rotating tooth will rotate upward, thus disengaging from the gear. At this time, the gear does not rotate.

[0017] After the upper mold moves down and comes into contact with the aluminum blank, it applies pressure to the aluminum blank, thereby heating and shaping the aluminum blank.

[0018] Subsequently, the hydraulic press drives the upper mold to move upward. At this time, since the rotating gear cannot rotate downward, it will drive the gear to rotate. After the gear rotates, it can drive the reset rack to move downward, compress the spring four, and at the same time drive the lead screw to rotate. After the upper mold separates from the hydraulic press, the spring one is no longer compressed. Under its own elasticity, it pushes the ejector rod upward, thereby making the forging part above the lower mold.

[0019] The rotation of the lead screw drives the meshing frame meshing on the surface of the lead screw to move to the left. When the push block contacts the die forging, the die forging will be stuck into the bottom end of the push block, and then the push block will push the die forging to the left. When the die forging contacts the inclined surface of the unloading rod, the unloading rod can be pressed down by the guide of the inclined surface, thereby causing the die forging to leave the lower die.

[0020] During the movement of the push block, the meshing frame drives the pressure rod to move through the storage box. When the bottom end of the pressure rod is at the bottom end of the wave rod, the spring three, which is in a stretched state, drives the pressure plate to move down under the action of elasticity, thereby squeezing the release agent in the storage box into the nozzle, and then spraying it out through the nozzle. When the bottom end of the pressure rod is at the top end of the wave rod, the spring three is stretched again. At this time, the nozzle no longer sprays the release agent. However, since the wave rod is set to a wave shape, it is possible to spray the release agent at multiple points in the area where the aluminum blank is placed in the lower mold.

[0021] After the forging part leaves the lower die, the upper die drives the one-way rack to completely disengage from the gear. At this time, the compressed spring four, under the action of elasticity, drives the reset rack to move upward, thereby driving the gear to reverse, which in turn drives the lead screw to reverse, causing the meshing frame to move in the opposite direction. Since the forging part is located on the left side of the unloading rod, and the left end of the unloading rod is a vertical surface, when the forging part contacts the unloading rod, the unloading rod will block the forging part, causing the forging part to disengage from the push block. Subsequently, the meshing frame drives the push block and the spraying assembly to reset.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. In this invention, when the upper mold moves upward, the one-way rack and pinion drives the gear to rotate, which in turn drives the lead screw to rotate and drive the meshing frame to move to the left. When the upper mold opens, the ejector rod pops out to push the forging out. After the meshing frame drives the push block to move to the left, the push block can clamp the right end of the forging and push the forging to the left. When the meshing frame moves to the right after the forging leaves the lower mold, the forging is blocked by the setting that only the right end of the unloading rod is inclined, thereby causing the forging to disengage from the push block. This achieves automatic unloading and avoids the risk of burns caused by manual unloading.

[0024] 2. This invention sets a wave-shaped rod on the lower mold. As the engagement frame moves, it drives the storage box and the pressure rod to move, so that the pressure rod enters the wave-shaped rod. When the pressure rod contacts the bottom end of the wave-shaped rod, the spring in the tension state drives the pressure plate to move down, spraying the release agent in the storage box onto the lower mold. By setting the wave-shaped rod to a wave shape, multiple sprayings of release agent can be achieved, thereby achieving the effect of automatic and uniform spraying of release agent. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0027] Figure 3 This is a schematic diagram of the connection of the structural driving components of the present invention;

[0028] Figure 4 For the present invention Figure 3 Enlarged view of point B in the middle;

[0029] Figure 5 This is a cross-sectional view of the mold under the structure of the present invention;

[0030] Figure 6 This is a cross-sectional front view of the mold and storage box under the structure of the present invention.

[0031] In the diagram: 1. Frame; 2. Hydraulic forming assembly; 21. Hydraulic press; 22. Upper mold; 23. Lower mold; 3. Drive assembly; 31. One-way rack; 32. Gear; 33. Lead screw; 34. Belt drive mechanism; 4. Feeding assembly; 41. Engaging frame; 42. Push block; 43. Ejector rod; 44. Spring 1; 45. Positioning frame; 46. Feeding rod; 47. Spring 2; 5. One-way assembly; 51. Rotating gear; 52. Spring plate; 53. Limit block; 6. Spraying assembly; 61. Storage box; 62. Pressure plate; 63. Spring 3; 64. Nozzle; 65. One-way pipe; 66. Pressure relief valve; 7. Extrusion assembly; 71. Mounting groove; 72. Wave rod; 73. Pressure rod; 8. Reset assembly; 81. Reset rack; 82. Telescopic rod; 83. Spring 4; 84. Slide rail. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] like Figures 1 to 6 As shown, the present invention provides a stamping equipment for aluminum alloy precision forging parts for manufacturing washing machine chassis, including a frame 1 and a hydraulic forming component 2. A drive component 3 is fixedly installed at the right end of the hydraulic forming component 2, and a feeding component 4 is provided at the bottom end of the hydraulic forming component 2.

[0034] The drive assembly 3 includes a one-way rack 31 and a gear 32. The one-way rack 31 is fixedly installed on the right end of the hydraulic forming assembly 2. The gear 32 rotates to the right end connected to the inner cavity of the frame 1. The front and rear sides of the bottom end of the hydraulic forming assembly 2 are rotatably connected to the lead screw 33. The gear 32 and the lead screw 33 are connected by a belt drive mechanism 34.

[0035] The feeding assembly 4 includes a meshing frame 41, which meshes with the lead screw 33, and a push block 42 is fixedly installed on the left end of the meshing frame 41.

[0036] When the upper mold 22 moves upward, the gear 32 is driven to rotate by the one-way rack 31, which in turn drives the lead screw 33 to rotate and drive the engagement frame 41 to move to the left. When the upper mold 22 opens, the ejector rod 43 pops out to eject the forging. After the engagement frame 41 drives the push block 42 to move to the left, the push block 42 can clamp the right end of the forging and push the forging to the left. When the engagement frame 41 moves to the right after the forging leaves the lower mold 23, the forging is blocked by the setting of the unloading rod 46 with only the right end being inclined, thereby causing the forging to disengage from the push block 42. This achieves automatic unloading and avoids the risk of burns caused by manual unloading.

[0037] The hydraulic forming component 2 includes a hydraulic press 21, which is fixedly installed at the top of the frame 1. An upper mold 22 is fixedly installed at the output end of the hydraulic press 21. A lower mold 23 is provided at the bottom end of the upper mold 22. The lower mold 23 is fixedly installed at the bottom end of the frame 1. The area of ​​the lower mold 23 is greater than that of the upper mold 22. A one-way rack 31 is fixedly installed at the right end of the upper mold 22. A lead screw 33 is rotatably connected to the front and rear ends of the lower mold 23.

[0038] The aluminum blank is placed in the middle of the lower mold 23. The hydraulic press 21 is started, and the hydraulic press 21 drives the upper mold 22 to move down. When the upper mold 22 moves down and comes into contact with the aluminum blank, it applies pressure to the aluminum blank, thereby heating and forming the aluminum blank.

[0039] The feeding assembly 4 also includes a top rod 43, which is movably connected to the middle of the lower mold 23. A spring 44 is fixedly installed at the bottom of the top rod 43. A positioning frame 45 is fixedly installed at the left end of the lower mold 23. A feeding rod 46 is movably connected to the middle of the positioning frame 45. A spring 47 is fixedly installed at the bottom of the positioning frame 45. The right side of the top of the feeding rod 46 is an inclined surface.

[0040] When the upper mold 22 is closed, the ejector rod 43 is squeezed by the upper mold 22 and moves downward to compress the spring 44. When the upper mold 22 is opened, the spring 44 lifts the forging. When the forging contacts the inclined surface of the ejector rod 46, the ejector rod 46 can be pressed down by the guide of the inclined surface, thereby causing the forging to leave the lower mold 23. The engagement frame 41 moves in the opposite direction. At this time, since the forging is located on the left side of the ejector rod 46, and the left end of the ejector rod 46 is a vertical surface, when the forging contacts the ejector rod 46, the ejector rod 46 will block the forging, causing the forging to disengage from the push block 42.

[0041] Among them, the push block 42 is an inclined inverted "F" shape, and the push block 42 is located above the lower mold 23 and fits against the lower mold 23;

[0042] The inclined inverted "F" shape of the push block 42 can be used to insert the die forging into the bottom end of the push block 42, thereby better pushing the die forging out.

[0043] The one-way rack 31 has a one-way component 5 at its front end. The one-way component 5 includes a rotating tooth 51, which is rotatably connected to the front end of the one-way rack 31 and is inclined upward. A spring plate 52 and a limiting block 53 are fixedly installed on the front side of the one-way rack 31. The spring plate 52 is fixedly connected to the rotating tooth 51 and is located above the rotating tooth 51. The limiting block 53 is located below the rotating tooth 51. The rotating tooth 51 meshes with the gear 32.

[0044] Since the limiting block 53 supports the bottom end of the rotating tooth 51, the rotating tooth 51 can only rotate upward. By setting the rotating tooth 51 to only rotate upward, it can be realized that when the unidirectional rack 31 moves downward, the rotating tooth 51 rotates to avoid the gear 32 from rotating, thereby preventing the drive gear 32 from rotating and ensuring the smooth operation of the device.

[0045] Among them, a spraying assembly 6 is fixedly installed on the right side of the meshing frame 41. The spraying assembly 6 includes a storage box 61, which is fixedly installed on the right side of the meshing frame 41. A pressure plate 62 is slidably connected to the inner cavity of the storage box 61. A spring 63 is fixedly installed between the bottom end of the pressure plate 62 and the storage box 61. A nozzle 64 is fixedly installed at the bottom end of the storage box 61.

[0046] The storage box 61, located in the space below the pressure plate 62, stores the release agent. After the pressure rod 73 contacts the bottom end of the wave rod 72, the elasticity of the spring 63 will pull the pressure plate 62 down, thereby squeezing out the release agent through the nozzle 64. When the pressure rod 73 contacts the top end of the wave rod 72, the pressure rod 73 is lifted up as a whole, thereby resetting the pressure plate 62 and stretching the spring 63.

[0047] The spraying assembly 6 also includes a one-way pipe 65 and a pressure relief valve 66. The one-way pipe 65 is L-shaped and is fixedly installed on the right side of the bottom end of the storage box 61. The pressure relief valve 66 is fixedly installed on the top of the pressure plate 62 and is located inside the storage box 61.

[0048] The one-way design of the one-way pipe 65 allows external air to be drawn into the storage box 61 when the pressure plate 62 moves upward, thereby maintaining normal pressure in the area of ​​the storage box 61 below the pressure plate 62. The one-way pipe 65 can also be used to replenish the mold release agent in the storage box 61. The pressure relief valve 66 is designed to release pressure when the area of ​​the storage box 61 below the pressure plate 62 becomes too large, thus ensuring safety.

[0049] Among them, the pressure plate 62 is provided with an extrusion assembly 7. The extrusion assembly 7 includes an installation groove 71 and a pressure rod 73. The pressure rod 73 is fixedly installed above the pressure plate 62. The installation groove 71 is opened at the top of the lower mold 23. The wave rod 72 is fixedly installed in the inner cavity of the installation groove 71.

[0050] By setting a wave rod 72 on the lower mold 23, the movement of the meshing frame 41 drives the movement of the storage box 61 and the pressure rod 73, so that the pressure rod 73 enters the wave rod 72. When the pressure rod 73 contacts the bottom end of the wave rod 72, the spring 63 in the tension state drives the pressure plate 62 to move down, spraying the release agent in the storage box 61 onto the lower mold 23. By setting the wave rod 72 to a wave shape, the release agent can be sprayed multiple times, thereby achieving the effect of automatic and uniform spraying of the release agent.

[0051] Among them, a reset assembly 8 is fixedly installed at the right end of the inner cavity of the frame 1. The reset assembly 8 includes a slide rail 84, which is fixedly installed at the right end of the inner cavity of the frame 1. A reset rack 81 is slidably connected in the middle of the slide rail 84. The reset rack 81 meshes with the front end of the gear 32. A telescopic rod 82 and a spring 83 are fixedly installed at the top of the reset rack 81. The bottom ends of the telescopic rod 82 and the spring 83 are fixedly installed at the bottom end of the inner cavity of the frame 1.

[0052] After the forging part leaves the lower die 23, the upper die 22 drives the one-way rack 31 to completely disengage from the gear 32. At this time, the spring 83, which is in a compressed state, drives the reset rack 81 to move upward under the action of elasticity, thereby driving the gear 32 to reverse, which in turn drives the lead screw 33 to reverse, causing the meshing frame 41 to move in the opposite direction. Since the forging part is located on the left side of the unloading rod 46, and the left end of the unloading rod 46 is a vertical surface, when the forging part contacts the unloading rod 46, the unloading rod 46 will block the forging part, causing the forging part to disengage from the push block 42. Subsequently, the meshing frame 41 drives the push block 42 and the spraying component 6 to reset, so that after the next forging, the push block 42 can move smoothly to the left to unload.

[0053] A die forging and stamping method for a precision aluminum alloy die forging stamping equipment used in manufacturing washing machine chassis, the die forging and stamping method comprising the following steps:

[0054] The aluminum billet is placed in the middle of the lower mold 23. The hydraulic press 21 is started. The hydraulic press 21 drives the upper mold 22 to move down, which in turn drives the one-way rack 31 to move downward. At this time, because the bottom surface of the rotating tooth 51 is in contact with the gear 32, it is obstructed by the gear 32. The rotating tooth 51 will rotate upward and thus displace the gear 32. At this time, the gear 32 will not rotate.

[0055] After the upper mold 22 moves down and comes into contact with the aluminum blank, it applies pressure to the aluminum blank, thereby heating and forming the aluminum blank.

[0056] Subsequently, the hydraulic press 21 drives the upper mold 22 to move upward. At this time, since the rotating gear 51 cannot rotate downward, it will drive the gear 32 to rotate. After the gear 32 rotates, it can drive the reset rack 81 to move downward, compress the spring 43, and at the same time drive the lead screw 33 to rotate. After the upper mold 22 separates from the hydraulic press 21, the spring 44 is no longer compressed. Under its own elasticity, it pushes the ejector rod 43 upward, thereby making the forging part above the lower mold 23.

[0057] The rotation of the lead screw 33 drives the meshing frame 41 meshing on the surface of the lead screw 33 to move to the left. When the push block 42 contacts the forging, the forging will be stuck into the bottom end of the push block 42, and then the push block 42 pushes the forging to the left. When the forging contacts the inclined surface of the unloading rod 46, the unloading rod 46 can be pressed down by the guide of the inclined surface, thereby causing the forging to leave the lower die 23.

[0058] During the movement of the push block 42, the meshing frame 41 drives the pressure rod 73 to move through the storage box 61. When the bottom end of the pressure rod 73 is at the bottom end of the wave rod 72, the spring 63, which is in a stretched state, drives the pressure plate 62 to move down under the action of elasticity, thereby squeezing the release agent in the storage box 61 into the nozzle 64, and then spraying it out through the nozzle 64. When the bottom end of the pressure rod 73 is at the top end of the wave rod 72, the spring 63 is stretched again. At this time, the nozzle 64 no longer sprays out the release agent. Since the wave rod 72 is set in a wave shape, it can achieve multi-point spraying of release agent on the area where the aluminum blank is placed in the lower mold 23.

[0059] After the forging part leaves the lower die 23, the upper die 22 drives the one-way rack 31 to completely disengage from the gear 32. At this time, the spring 83, which is in a compressed state, drives the reset rack 81 to move upward under the action of elasticity, thereby driving the gear 32 to reverse, which in turn drives the lead screw 33 to reverse, causing the meshing frame 41 to move in the opposite direction. At this time, since the forging part is located on the left side of the unloading rod 46, and the left end of the unloading rod 46 is a vertical surface, when the forging part contacts the unloading rod 46, the unloading rod 46 will block the forging part, causing the forging part to disengage from the push block 42. Subsequently, the meshing frame 41 drives the push block 42 and the spraying assembly 6 to reset.

[0060] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0061] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stamping equipment for precision aluminum alloy forgings used in manufacturing washing machine chassis, comprising a frame (1) and a hydroforming assembly (2), characterized in that, A drive assembly (3) is fixedly installed at the right end of the hydraulic forming assembly (2), and a feeding assembly (4) is provided at the bottom end of the hydraulic forming assembly (2). The drive assembly (3) includes a one-way rack (31) and a gear (32). The one-way rack (31) is fixedly installed on the right end of the hydraulic forming assembly (2). The gear (32) is rotatably connected to the right end of the inner cavity of the frame (1). The front and rear sides of the bottom end of the hydraulic forming assembly (2) are rotatably connected to lead screws (33). A belt drive mechanism (34) is connected between the gear (32) and the lead screw (33). The feeding assembly (4) includes a meshing frame (41), which meshes with a lead screw (33). A push block (42) is fixedly installed on the left end of the meshing frame (41). The hydraulic forming assembly (2) includes a hydraulic press (21), which is fixedly installed on the top of the frame (1). An upper mold (22) is fixedly installed on the output end of the hydraulic press (21). A lower mold (23) is provided at the bottom end of the upper mold (22). The lower mold (23) is fixedly installed at the bottom end of the frame (1). The area of ​​the lower mold (23) is greater than that of the upper mold (22). The one-way rack (31) is fixedly installed on the right end of the upper mold (22). The lead screw (33) is rotatably connected to the front and rear ends of the lower mold (23). The meshing frame (4) A spraying assembly (6) is fixedly installed on the right side of the engagement frame (41). The spraying assembly (6) includes a storage box (61). The storage box (61) is fixedly installed on the right side of the engagement frame (41). A pressure plate (62) is slidably connected to the inner cavity of the storage box (61). A spring (63) is fixedly installed between the bottom end of the pressure plate (62) and the storage box (61). A nozzle (64) is fixedly installed at the bottom end of the storage box (61). An extrusion assembly (7) is provided above the pressure plate (62). The extrusion assembly (7) includes an installation groove (71) and a pressure rod (73). The pressure rod (73) is fixedly installed above the pressure plate (62). The installation groove (71) is opened at the top of the lower mold (23). A wave rod (72) is fixedly installed in the inner cavity of the installation groove (71).

2. The stamping equipment for precision forging of aluminum alloy parts for manufacturing washing machine chassis according to claim 1, characterized in that, The feeding assembly (4) also includes a top rod (43), which is movably connected to the middle of the lower mold (23). A spring (44) is fixedly installed at the bottom end of the top rod (43). A positioning frame (45) is fixedly installed at the left end of the lower mold (23). A feeding rod (46) is movably connected to the middle of the positioning frame (45). A spring (47) is fixedly installed at the bottom end of the positioning frame (45). The right side of the top of the feeding rod (46) is an inclined surface.

3. The stamping equipment for precision forging of aluminum alloy parts for manufacturing washing machine chassis according to claim 2, characterized in that, The push block (42) is an inclined inverted "F" shape, and the push block (42) is located above the lower mold (23) and fits against the lower mold (23).

4. The stamping equipment for precision forging of aluminum alloy parts for manufacturing washing machine chassis according to claim 3, characterized in that, The front end of the one-way rack (31) is provided with a one-way component (5), the one-way component (5) includes a rotating tooth (51), the rotating tooth (51) is rotatably connected to the front end of the one-way rack (31) and is inclined upward. A spring plate (52) and a limiting block (53) are fixedly installed on the front side of the one-way rack (31). The spring plate (52) is fixedly connected to the rotating tooth (51) and is located above the rotating tooth (51). The limiting block (53) is located below the rotating tooth (51). The rotating tooth (51) meshes with the gear (32).

5. The stamping equipment for precision forging of aluminum alloy parts for manufacturing washing machine chassis according to claim 4, characterized in that, The spraying assembly (6) also includes a one-way pipe (65) and a pressure relief valve (66). The one-way pipe (65) is "L" shaped and is fixedly installed on the right side of the bottom of the storage box (61). The pressure relief valve (66) is fixedly installed on the top of the pressure plate (62) and located inside the storage box (61).

6. The stamping equipment for precision forging of aluminum alloy parts for manufacturing washing machine chassis according to claim 5, characterized in that, A reset assembly (8) is fixedly installed at the right end of the inner cavity of the frame (1). The reset assembly (8) includes a slide rail (84). The slide rail (84) is fixedly installed at the right end of the inner cavity of the frame (1). A reset rack (81) is slidably connected to the middle of the slide rail (84). The reset rack (81) meshes with the front end of the gear (32). A telescopic rod (82) and a spring (83) are fixedly installed at the top of the reset rack (81). The bottom ends of the telescopic rod (82) and the spring (83) are fixedly installed at the bottom end of the inner cavity of the frame (1).

7. The die forging and stamping method of a precision die forging equipment for manufacturing aluminum alloy forgings for washing machine chassis according to claim 6, characterized in that, The die forging and stamping method includes the following steps: Place the aluminum blank in the middle of the lower mold (23), start the hydraulic press (21), the hydraulic press (21) drives the upper mold (22) to move down, and then drives the one-way rack (31) to move down. At this time, because the bottom surface of the rotating tooth (51) is in contact with the gear (32), it is blocked by the gear (32), and the rotating tooth (51) will rotate upward, thus disengaging from the gear (32). At this time, the gear (32) does not rotate. After the upper mold (22) moves down and comes into contact with the aluminum blank, it applies pressure to the aluminum blank, thereby heating and forming the aluminum blank. Subsequently, the hydraulic press (21) drives the upper mold (22) to move upward. At this time, since the rotating gear (51) cannot rotate downward, it will drive the gear (32) to rotate. After the gear (32) rotates, it drives the reset rack (81) to move downward, compressing the spring four (83) and simultaneously driving the lead screw (33) to rotate. After the upper mold (22) and the lower mold (23) separate, the spring one (44) is no longer compressed. Under its own elasticity, it pushes the ejector rod (43) upward, thereby making the forging part located above the lower mold (23). The rotation of the lead screw (33) drives the meshing frame (41) meshing on the surface of the lead screw (33) to move to the left. When the push block (42) contacts the forging, the forging will be stuck into the bottom end of the push block (42), and then the push block (42) pushes the forging to the left. When the forging contacts the inclined surface of the unloading rod (46), the unloading rod (46) is pressed down by the guide of the inclined surface, thereby causing the forging to leave the lower die (23). During the movement of the push block (42), the meshing frame (41) drives the pressure rod (73) to move through the storage box (61). When the bottom end of the pressure rod (73) is at the bottom end of the wave rod (72), the spring three (63) in the tension state drives the pressure plate (62) to move down under the action of elasticity, thereby squeezing the release agent in the storage box (61) into the nozzle (64) and then spraying it out through the nozzle (64). When the bottom end of the pressure rod (73) is at the top end of the wave rod (72), the spring three (63) is stretched again. At this time, the nozzle (64) no longer sprays out the release agent. Since the wave rod (72) is set to a wave shape, the release agent is sprayed at multiple points in the area where the aluminum blank is placed in the lower mold (23). After the forging part leaves the lower mold (23), the upper mold (22) drives the one-way rack (31) to completely disengage from the gear (32). At this time, the spring four (83) in the compressed state drives the reset rack (81) to move upward under the action of elasticity, thereby driving the gear (32) to reverse, and then driving the lead screw (33) to reverse, causing the meshing frame (41) to move in the opposite direction. At this time, since the forging part is located on the left side of the unloading rod (46), and the left end of the unloading rod (46) is a vertical surface, when the forging part contacts the unloading rod (46), the unloading rod (46) will block the forging part, causing the forging part to disengage from the push block (42). Subsequently, the meshing frame (41) drives the push block (42) and the spraying assembly (6) to reset.

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