A powder metallurgy forming machine for automotive spiral gears

Abstract

The present invention discloses a powder metallurgy forming machine for automotive spiral gears, including a machine case, the top of the machine case is fixedly connected with a support frame, and further includes: a hydraulic cylinder, which is fixedly connected to the top of the support frame, and the bottom end of the hydraulic cylinder is fixedly connected with a gear mold; a feeding assembly, which is slidably connected to the top of the machine case, and the feeding assembly is used for conveying raw materials to the extrusion position; a forming mold, which is slidably connected to the inner surface of the machine case, and the top of the forming mold is fixedly connected with a locking assembly. The present invention relates to the technical field of gear processing. The powder metallurgy forming machine for automotive spiral gears enables the pressure-bearing block to pick up the raw materials added inside the forming mold, facilitating the cooperation of the pressure-bearing block with the forming mold and the gear mold for gear processing. When the pressure-bearing block is pushed upward by the ejecting assembly, it can push out the formed gear inside the forming mold, facilitating continuous processing of the gear, and thereby improving the strength of the formed gear.

Description

Technical Field

[0001] The present invention relates to the technical field of gear processing, and particularly relates to a powder metallurgy forming machine for automotive spiral gears. Background Art

[0002] Powder metallurgy is a process of manufacturing metal materials, composite materials, and various types of products using metal powders as raw materials, through processes such as batching, mixing, forming, and sintering. The powder particles are initially fused, and then further fused by high-temperature heating to form gears. In the pressing and forming stage of the gear blank, the powder needs to be first filled into the mold cavities of the lower die of the gear and filled up, and then the hydraulic rod drives the upper die of the gear into the mold cavity to tightly press the powder to form the gear blank. However, during the extrusion forming process, the extrusion movement of the equipment is prone to tilt, resulting in insufficient contact between the molds, thereby affecting the forming of the gear, reducing the accuracy of gear processing. After the gear is formed, it needs to be ejected. During the process of ejecting the gear, the gear is easily damaged, causing damage when the gear moves at the forming position, reducing the quality of gear forming. The forming position is not easy to load and unload, so raw materials are likely to remain at the forming position during long-term operation of the equipment, affecting the equipment when replacing raw materials for processing, and further reducing the strength of the formed gear.

[0003] In summary, during the extrusion forming process, the extrusion movement of the equipment is prone to tilt, resulting in insufficient contact between the molds, reducing the accuracy of gear processing. After the gear is formed, it needs to be ejected, and the gear is easily damaged during the ejection process, thereby reducing the strength of the formed gear. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the technical solution adopted by the present invention to solve its technical problems is as follows: A powder metallurgy forming machine for automotive spiral gears according to the present invention includes a machine case, a mechanical gripper is arranged at a position of the machine case close to a support frame. The top of the machine case is fixedly connected with the support frame. A guide rod is slidably connected at a position of the support frame close to a hydraulic cylinder. The bottom end of the guide rod penetrates through the support frame, and the bottom end of the guide rod is fixedly connected with a gear mold. It further includes:

[0005] A hydraulic cylinder, which is fixedly connected to the top of the support frame. The hydraulic cylinder is used to control the height of extrusion forming. The bottom end of the hydraulic cylinder is fixedly connected with a gear mold. The gear mold is located above the forming mold, and the gear mold is arranged opposite to a pressure-bearing block;

[0006] A feeding assembly, which is slidably connected to the top of the machine case. The feeding assembly is used to convey raw materials to the extrusion position;

[0007] Forming die, which is slidably connected to the inner surface of the chassis. A locking component is fixedly connected to the top of the forming die, and the outer surface of the locking component is clamped with the chassis. A pressure-bearing block is slidably connected to the inner surface of the forming die. The pressure-bearing block has protrusions, and the side pressure block is adapted to the forming die. A top-out component is fixedly connected to the bottom of the pressure-bearing block, and the bottom of the top-out component is fixedly connected to the chassis;

[0008] Wherein the top-out component includes a support frame, which is fixedly connected to the bottom of the inner cavity of the chassis, and a stabilizing frame is fixedly connected to the top of the support frame;

[0009] A top-out cylinder, which is fixedly connected to the bottom of the inner cavity of the support frame. The top of the top-out cylinder is fixedly connected to an installation plate, the top of the installation plate is fixedly connected to a lifting plate, and a fixing rod is fixedly connected to the top of the lifting plate. Five fixing rods are arranged on the lifting plate, and the top ends of the fixing rods are fixedly connected to the pressure-bearing block.

[0010] The raw material is transported into the forming die through the feeding component. When the feeding component moves above the forming die, it contacts the locking component. After the feeding component adds the raw material into the forming die, it returns to the test position. The pressure-bearing block picks up the raw material inside the forming die. The hydraulic cylinder extends on the support frame to push the gear die down. When the gear die enters the forming die, it extrudes the raw material for gear processing. The protrusion of the pressure-bearing block inserts into the gear die. After the gear die finishes extrusion, the hydraulic cylinder contracts to drive the gear die to rise. Then, the raw material is added into the forming die again, and then the gear die descends for extrusion, repeating the gear extrusion forming process multiple times; When the hydraulic cylinder contracts to drive the gear die to leave the forming die, the top-out cylinder extends on the support frame to push the installation plate up. The installation plate drives the lifting plate to rise vertically along the support frame, so that the lifting plate pushes the pressure-bearing block to slide inside the forming die through the fixing rod. The pressure-bearing block pushes the formed gear out of the forming die, and then the mechanical claw externally connected to the chassis clamps the gear. The top-out cylinder contracts to drive the installation plate to descend, so that the installation plate drives the pressure-bearing block to descend through the lifting plate and the fixing rod. The pressure-bearing block stops moving when it contacts the limiting sleeve.

[0011] Preferably, the outer surface of the fixing rod is slidably connected to the stabilizing frame, and the position of the lifting plate away from the fixing rod is slidably connected to the support frame.

[0012] Preferably, the bottom end of the hydraulic cylinder penetrates through the support frame and extends to the outside of the support frame, and the top of the pressure-bearing block extends to the outside of the forming die.

[0013] Preferably, the bottom end of the stabilizing frame penetrates through the support frame, and the inner surface of the stabilizing frame is slidably connected to the pressure-bearing block.

[0014] Preferably, the stabilizing frame includes a stabilizing ring, which is fixedly connected to the top of the support frame, and a limiting sleeve is fixedly connected to the bottom of the stabilizing ring;

[0015] The mounting base is fixedly connected to the outer surface of the stabilizing ring and is circularly distributed on the stabilizing ring through the mounting base. A dial plate is rotatably connected to the inner surface of the mounting base. One side of the dial plate close to the stabilizing ring is rotatably connected to an insertion plate, and a reset plate is fixedly connected to one side of the insertion plate close to the dial plate.

[0016] Preferably, one side of the reset plate away from the insertion plate is fixedly connected to the dial plate, and the bottom of the limiting sleeve is slidably connected to the fixed rod.

[0017] Preferably, the locking assembly includes a lifting plate which is fixedly connected to the top of the forming die. The lifting plate is used to pull the forming die out of the chassis. Two lifting plates are arranged on the forming die, and the two lifting plates are oppositely installed. One side of the lifting plate close to the support frame is fixedly connected to an electromagnet, and two electromagnets are arranged on the lifting plate;

[0018] A push rod is slidably connected to the inner surface of the lifting plate. The push rod is horizontally installed on the lifting plate. One end of the push rod close to the support frame is fixedly connected to a clamping plate. One side of the clamping plate close to the electromagnet is fixedly connected to an iron sheet, and the iron sheet is arranged corresponding to the electromagnet. One end of the push rod away from the clamping plate is fixedly connected to an elastic plate. The elastic plate is located between the push rod and the contact plate, and the elastic plates are linearly distributed. One side of the elastic plate away from the push rod is fixedly connected to the contact plate.

[0019] Preferably, both ends of the push rod penetrate through the lifting plate and extend to the outside of the lifting plate, and the bottom of the clamping plate is slidably connected to the forming die.

[0020] Preferably, the feeding assembly includes a storage box which is slidably connected to the top of the chassis. The storage box is used for storing raw materials and adding raw materials into the forming die. A feeding port is opened at the bottom of the storage box. One side of the storage box away from the support frame is fixedly connected to a feeding cylinder, and the outer surface of the feeding cylinder is fixedly connected to the chassis;

[0021] A blanking cylinder is fixedly connected to one side of the storage box close to the feeding cylinder. One end of the blanking cylinder away from the feeding cylinder is rotatably connected to an adjusting seat. The bottom of the adjusting seat is slidably connected to a receiving frame, and one side of the adjusting seat away from the blanking cylinder is fixedly connected to a sealing plate.

[0022] Preferably, the bottom of the sealing plate is slidably connected to the storage box, the bottom of the receiving frame is fixedly connected to the storage box, and one end of the blanking cylinder close to the adjusting seat penetrates through the storage box.

[0023] Preferably, the receiving frame includes a fixing plate fixedly connected to the bottom of the inner cavity of the storage box. On one side of the fixing plate close to the sealing plate, there is a receiving plate fixedly connected. At the top of the inner cavity of the receiving plate, there is a vibrator linearly distributed inside the receiving plate.

[0024] A processor fixedly connected to the bottom of the inner cavity of the receiving plate. At the top of the processor, there is an arc-shaped plate. The arc-shaped plate has elasticity and is evenly distributed between the processing box and the induction plate. At the top of the arc-shaped plate, there is an induction plate, and the outer surface of the induction plate is slidably connected to the receiving plate.

[0025] The present invention provides a powder metallurgy forming machine for automotive spiral gears, having the following beneficial effects:

[0026] 1. For this powder metallurgy forming machine for automotive spiral gears, a forming die, a gear die, and a pressure-bearing block are provided. When the gear die expands and contracts with the hydraulic cylinder, it can adjust the pressure for extruding the raw material, preventing the situation of insufficient force when the gear die extrudes the raw material. The pressure-bearing block contacts the ejection component inside the forming die, enabling the pressure-bearing block to pick up the raw material added inside the forming die, facilitating the cooperation of the pressure-bearing block with the forming die and the gear die for gear processing. When the pressure-bearing block is pushed by the ejection component to rise, it can push out the formed gear inside the forming die, facilitating continuous processing of the gear, and thus improving the strength of the formed gear.

[0027] 2. For this powder metallurgy forming machine for automotive spiral gears, the support frame contacts the forming die inside the machine case, facilitating the support frame to support the machine case, ensuring the stability of the position where the machine case installs the forming die, preventing the pressure-bearing block from shifting and getting stuck when it moves. The mounting plate moves vertically under the telescopic push of the ejection cylinder, enabling the mounting plate to play a protective role when moving on the ejection cylinder, and thus ensuring the quality of gear forming.

[0028] 3. For this powder metallurgy forming machine for automotive spiral gears, the lifting plate slides vertically along the support frame driven by the mounting plate, facilitating the support frame to reinforce the movement of the lifting plate, preventing the lifting plate from tilting and getting stuck during the lifting process. Five fixing rods are arranged on the lifting plate, facilitating the fixing rods to slide on the stabilizing frame and push the pressure-bearing block to rise and fall, and thus ensuring the convenience of the movement of the lifting plate and the mounting plate.

[0029] 4. The powder metallurgy molding machine for the automotive spiral gear can guide the movement of the pressure-bearing block through the cooperation of the stabilizing ring and the limiting sleeve on the support frame, facilitating the sharing of pressure during the lifting and lowering of the pressure-bearing block inside the placement cavity during molding, preventing component damage caused by excessive pressure on the pressure-bearing block. The reset plate supports the insertion plate on the dial plate, causing the reset plate to move with the dial plate. When the insertion plate separates from the support frame, the reset plate expands and contracts to drive the insertion plate to rotate on the dial plate for reset, facilitating the clamping of the insertion plate on the support frame when installing the stabilizing ring.

[0030] 5. The powder metallurgy molding machine for the automotive spiral gear rotates clockwise under the thrust on the mounting base through the dial plate, facilitating the fixing of the stabilizing ring by the insertion plate and preventing the stabilizing ring from sliding down on the support frame. When the dial plate rotates counterclockwise under force, as the inclined plane generated by the rotation of the insertion plate gradually separates from the support frame, the downward pressure on the stabilizing ring is separated from the molding die, facilitating the loading and unloading of the stabilizing ring, and thus cleaning the inside of the stabilizing ring and the limiting sleeve.

[0031] 6. The powder metallurgy molding machine for the automotive spiral gear prevents the feeding assembly from shifting on the molding die and causing deviation in the raw material addition position by contacting the contact plate when the feeding assembly moves above the molding die, thereby improving the accuracy of raw material addition. When the push rod moves, it drives the contact plate to move through the elastic plate. When the pressure on the push rod loosens and moves towards the contact plate, the push rod drives the clamping plate away from the machine case, facilitating the subsequent pulling out of the molding die from the machine case.

[0032] 7. The powder metallurgy molding machine for the automotive spiral gear has two electromagnets provided on the lifting plate to prevent the clamping plate from moving during the loading and unloading of the molding die, affecting the loading and unloading of the molding die. There are two lifting plates provided on the molding die. When the staff applies an upward pulling force to the lifting plate, it facilitates the subsequent cleaning of the disassembled molding die, ensuring its cleanliness after long-term use, and using the cooperation of the lifting plate and the electromagnet to limit the movement range of the push rod, preventing the push rod from bending when fixed and causing the molding die to be unable to be disassembled.

[0033] 8. The powder metallurgy molding machine for the automotive spiral gear squeezes the contact plate when the storage box is above the molding die, causing the contact plate to move. When the feeding air cylinder contracts to drive the storage box away from the molding die, the contact plate loses the pressure of the storage box and resets. The adjusting seat is driven by the feeding air cylinder to displace and rotates when it moves onto the receiving frame, making the movement of the adjusting seat on the receiving frame less likely to affect the sealing of the sealing plate for the feeding port.

[0034] 9. The powder metallurgy forming machine for the automotive spiral gear seals the blanking port inside the storage box through a sealing plate. The sealing plate is gradually driven by the contraction of the blanking cylinder through an adjusting seat to expose the blanking port of the storage box, thereby controlling the speed of raw material addition. Moreover, the sealing plate seals the blanking port under the pushing of the extended blanking cylinder to prevent raw materials from falling when the storage box moves. When the sealing plate moves inside the storage box, it can push the raw materials to move, thereby accelerating the falling of the raw materials in the storage box.

[0035] 10. The powder metallurgy forming machine for the automotive spiral gear has an elastic arc-shaped plate, so that when the induction plate is under pressure, it descends and squeezes the arc-shaped plate, preventing raw materials from entering the inside of the receiving plate and contacting the processor. The vibrator is inside the receiving plate. When the vibrator works, it generates a vibration force, and when the receiving plate vibrates, it drives the movement of the raw materials inside the storage box, thereby accelerating the falling of the raw materials inside the storage box by using the vibration generated by the vibrator and preventing the raw materials from remaining at the edge position inside the storage box and affecting the addition of raw materials. Brief Description of the Drawings

[0036] Figure 1 It is a schematic structural diagram of the whole of the present invention;

[0037] Figure 2 It is a schematic structural diagram of the whole of the present invention from another perspective;

[0038] Figure 3 It is a schematic structural diagram of the ejecting assembly of the present invention;

[0039] Figure 4 It is a schematic structural diagram of the ejecting assembly of the present invention from another perspective;

[0040] Figure 5 It is a schematic structural diagram of the stabilizing frame of the present invention;

[0041] Figure 6 It is an enlarged view of the plug board of the present invention;

[0042] Figure 7 It is a schematic structural diagram of the locking assembly of the present invention;

[0043] Figure 8 It is an enlarged view of the elastic plate of the present invention;

[0044] Figure 9 It is a schematic structural diagram of the feeding assembly of the present invention;

[0045] Figure 10 It is a schematic structural diagram of the feeding assembly of the present invention from another perspective;

[0046] Figure 11 It is a schematic structural diagram of the receiving rack of the present invention;

[0047] Figure 12 It is an enlarged view of the arc-shaped plate of the present invention.

[0048] In the figure: 1, chassis; 2, support frame; 3, locking assembly; 31, clamping plate; 32, electromagnet; 33, lifting plate; 34, push rod; 35, elastic plate; 36, contact plate; 4, forming die; 5, feeding assembly; 51, storage box; 52, sealing plate; 53, adjusting seat; 54, blanking cylinder; 55, receiving frame; 551, fixing plate; 552, receiving plate; 553, vibrator; 554, processor; 555, arc plate; 556, induction plate; 56, feeding cylinder; 6, ejecting assembly; 61, support frame; 62, ejecting cylinder; 63, mounting plate; 64, lifting plate; 65, stabilizing frame; 651, stabilizing ring; 652, dial plate; 653, mounting seat; 654, limiting sleeve; 655, plug plate; 656, reset plate; 66, fixing rod; 7, pressure-bearing block; 8, gear die; 9, hydraulic cylinder. Detailed implementation mode

[0049] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes. The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustive or limited to the disclosed form. Many modifications and variations will be obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes.

[0050] Example 1, please refer to Figures 1 - 12 , the present invention provides a technical solution: a powder metallurgy forming machine for automotive spiral gears, including a chassis 1, a support frame 2 is fixedly connected to the top of the chassis 1, the hydraulic cylinder 9 is fixed on the chassis 1 through the support frame 2, so that the hydraulic cylinder 9 is vertically installed on the support frame 2, and a guide rod is provided at a position of the support frame 2 close to the hydraulic cylinder 9, so that the guide rod moves on the gear die 8 with the telescopic movement of the hydraulic cylinder 9, facilitating the guide rod to guide the lifting of the gear die 8 on the support frame 2, thereby improving the stability of the gear die 8 itself during operation and preventing the gear die 8 from tilting when lifting, and further including:

[0051] Hydraulic cylinder 9, which is fixedly connected to the top of the support frame 2. The hydraulic cylinder 9 is used to control the height of extrusion molding. A gear die 8 is fixedly connected to the bottom end of the hydraulic cylinder 9. Since the gear die 8 is located above the molding die 4, when the hydraulic cylinder 9 extends, the gear die 8 is pushed into the interior of the molding die 4, so that the raw material is extruded by the downward movement of the gear die 8, facilitating the generation of gears from the raw material inside the molding die 4. When the gear die 8 expands and contracts with the hydraulic cylinder 9, it can adjust the pressure on the extruded raw material, preventing the situation of insufficient force when the gear die 8 extrudes the raw material. When the hydraulic cylinder 9 contracts and drives the gear die 8 to rise, the gear die 8 is separated from the molding die 4, so that the raw material can be added again into the molding die 4 or the formed gear can be taken out. The gear die 8 is adapted to the molding die 4 and the pressure-bearing block 7, making it not easy to cause damage when taking out the formed gear subsequently;

[0052] Feeding assembly 5, which is slidably connected to the top of the chassis 1. The feeding assembly 5 is used to convey the raw material to the extrusion position. By reciprocating horizontally on the chassis 1, when the discharging position of the feeding assembly 5 moves above the molding die 4, the raw material is added, facilitating the uniform laying of the raw material sent by the feeding assembly 5 inside the molding die 4, preventing the raw material inside the molding die 4 from leaking during extrusion, ensuring the complete formation of the gear inside the molding die 4, and thus improving the strength of the formed gear;

[0053] Molding die 4, which is slidably connected to the inner surface of the chassis 1. A locking assembly 3 is fixedly connected to the top of the molding die 4, and the outer surface of the locking assembly 3 is clamped with the chassis 1. A pressure-bearing block 7 is slidably connected to the inner surface of the molding die 4. By the pressure-bearing block 7 contacting the ejecting assembly 6 inside the molding die 4, the pressure-bearing block 7 picks up the raw material added inside the molding die 4, facilitating the cooperation of the pressure-bearing block 7 with the molding die 4 and the gear die 8 for gear processing. Moreover, the pressure-bearing block 7 has protrusions, so that the protrusions of the pressure-bearing block 7 extend out of the molding die 4 during extrusion, ensuring the complete formation of the gear. The pressure-bearing block 7 slides inside the molding die 4 driven by the ejecting assembly 6, facilitating the ejecting assembly 6 to support the pressure-bearing block 7, thereby increasing the pressure on the pressure-bearing block 7 during gear formation. When the pressure-bearing block 7 rises and falls inside the molding die 4, it can adjust the volume of the formed gear, enabling the molding die 4 to form different gears. When the pressure-bearing block 7 is pushed by the ejecting assembly 6 to rise, it can push out the formed gear inside the molding die 4, enabling the mechanical gripper externally connected to the chassis 1 to grip the gear, facilitating continuous processing of the gear. A ejecting assembly 6 is fixedly connected to the bottom of the pressure-bearing block 7, and the bottom of the ejecting assembly 6 is fixedly connected to the chassis 1;

[0054] Among them, the ejection assembly 6 includes a support frame 61, which is fixedly connected to the bottom of the inner cavity of the chassis 1. By contacting the forming die 4 inside the chassis 1 through the support frame 61, the support frame 61 and the chassis 1 cooperate to limit the installation position of the forming die 4, facilitating the support of the chassis 1 by the support frame 61 and ensuring the stability of the installation position of the forming die 4 on the chassis 1. Moreover, the support frame 61 contacts the stabilizing frame 65, and the support frame 61 and the stabilizing frame 65 cooperate to limit the moving distance of the pressure-bearing block 7, facilitating the support of the pressure-bearing block 7 on the support frame 61 by the stabilizing frame 65 and preventing the pressure-bearing block 7 from shifting when moving, resulting in jamming of the pressure-bearing block 7. The top of the support frame 61 is fixedly connected to the stabilizing frame 65;

[0055] An ejection cylinder 62, which is fixedly connected to the bottom of the inner cavity of the support frame 61. The top of the ejection cylinder 62 is fixedly connected to an installation plate 63. Through the installation plate 63 being pushed by the telescopic movement of the ejection cylinder 62 to perform vertical lifting and lowering, the installation plate 63 moves driven by the ejection cylinder 62, facilitating the application of a thrust when the installation plate 63 moves, thereby driving the lifting and lowering of the pressure-bearing block 7. When the installation plate 63 moves on the ejection cylinder 62, it plays a protective effect. When the installation plate 63 adjusts the pressure-bearing block 7, raw materials can be added to the forming die 4 multiple times, enabling the gear die 8 to extrude the raw materials inside the forming die 4 multiple times, thus ensuring the quality of gear forming. The top of the installation plate 63 is fixedly connected to a lifting plate 64. Through the lifting plate 64 sliding vertically along the support frame 61 driven by the installation plate 63, the lifting plate 64 is guided by the support frame 61 when moving, facilitating the reinforcement of the movement of the lifting plate 64 by the support frame 61 and preventing the lifting plate 64 from tilting during the lifting and lowering process, resulting in jamming. The contact between the lifting plate 64 and the support frame 61 can share the pressure received by the installation plate 63, thereby increasing the bearing capacity of the installation plate 63 itself and preventing the installation plate 63 from being damaged during movement, affecting the movement of the lifting plate 64. Five fixing rods 66 are arranged on the lifting plate 64. Through the fixing rods 66 being pushed by the lifting plate 64 to rise, it is convenient for the fixing rods 66 to slide on the stabilizing frame 65 to push the pressure-bearing block 7 to lift and lower. The length of the fixing rods 66 on the lifting plate 64 is used to limit the lifting and lowering distance of the pressure-bearing block 7. When the fixing rods 66 lift and lower, the stabilizing frame 65 plays an effect of guiding the movement of the fixing rods 66, facilitating the protection of the fixing rods 66 by the stabilizing frame 65, and thus ensuring the convenience of the movement of the lifting plate 64 and the installation plate 63. The top ends of the fixing rods 66 are fixedly connected to the pressure-bearing block 7.

[0056] Among them, the outer surface of the fixing rod 66 is slidably connected to the stabilizing frame 65, and the position of the lifting plate 64 away from the fixing rod 66 is slidably connected to the support frame 61.

[0057] Among them, the bottom end of the hydraulic cylinder 9 penetrates through the support frame 2 and extends to the outside of the support frame 2, and the top of the pressure-bearing block 7 extends to the outside of the forming die 4.

[0058] Among them, the bottom end of the stabilizing frame 65 penetrates through the support frame 61, and the inner surface of the stabilizing frame 65 is slidably connected to the pressure-bearing block 7.

[0059] Among them, the stabilizing frame 65 includes a stabilizing ring 651, which is fixedly connected to the top of the support frame 61. Through the cooperation of the stabilizing ring 651 and the limiting sleeve 654 on the support frame 61, the movement of the pressure-bearing block 7 can be guided, so that the cooperation of the stabilizing ring 651 and the limiting sleeve 654 can generate a placement cavity, which is convenient for the pressure-bearing block 7 to lift and lower inside the placement cavity during forming to share the pressure, preventing the pressure on the pressure-bearing block 7 from being too large and causing component damage. The stabilizing ring 651 contacts the forming die 4 on the support frame 61, and the cooperation of the stabilizing ring 651 and the support frame 61 reinforces the forming die 4, thereby improving the stability of the installation position of the forming die 4 and preventing the forming die 4 from shifting and causing the gear die 8 not to enter the forming die 4. The bottom of the stabilizing ring 651 is fixedly connected with a limiting sleeve 654;

[0060] The mounting seat 653 is fixedly connected to the outer surface of the stabilizing ring 651. The inner surface of the mounting seat 653 is rotatably connected with a dial plate 652. When the dial plate 652 rotates clockwise under the action of a thrust force on the mounting seat 653, the dial plate 652 drives the plug plate 655 to insert into the support frame 61, which is convenient for the plug plate 655 to fix the stabilizing ring 651 and prevent the stabilizing ring 651 from sliding down on the support frame 61. When the dial plate 652 rotates counterclockwise under force, the dial plate 652 drives the plug plate 655 to rotate on the support frame 61. As the plug plate 655 rotates to generate an inclined plane and gradually disengages from the support frame 61, the fixing of the plug plate 655 to the support frame 61 is released, so that the downward pressure on the stabilizing ring 651 is separated from the forming die 4, which is convenient for the loading and unloading of the stabilizing ring 651, and thus the inside of the stabilizing ring 651 and the limiting sleeve 654 can be cleaned. One side of the dial plate 652 close to the stabilizing ring 651 is rotatably connected with a plug plate 655, and one side of the plug plate 655 close to the dial plate 652 is fixedly connected with a reset plate 656. The reset plate 656 supports the plug plate 655 on the dial plate 652, so that the reset plate 656 moves with the dial plate 652. As the reset plate 656 is stretched under the pulling force when the plug plate 655 rotates counterclockwise, when the plug plate 655 is separated from the support frame 61, the telescopic reset plate 656 drives the plug plate 655 to rotate and reset on the dial plate 652, which is convenient for the plug plate 655 to be clamped on the support frame 61 when installing the stabilizing ring 651.

[0061] Among them, the side of the reset plate 656 away from the plug plate 655 is fixedly connected to the dial plate 652, and the bottom of the limiting sleeve 654 is slidably connected to the fixed rod 66.

[0062] Among them, the locking assembly 3 includes a lifting plate 33, which is fixedly connected to the top of the forming die 4. The lifting plate 33 is used to pull the forming die 4 out of the chassis 1. Two lifting plates 33 are arranged on the forming die 4. When the fixing of the forming die 4 is released, the staff applies an upward pulling force to the lifting plate 33, so that the lifting plate 33 drives the forming die 4 to gradually leave the chassis 1, facilitating the subsequent cleaning of the disassembled forming die 4 to ensure the cleanliness of the forming die 4 after a long time of use. Moreover, the lifting plate 33 can guide the movement of the push rod 34, making it difficult for the push rod 34 to move obliquely when moving. The cooperation between the lifting plate 33 and the electromagnet 32 is used to limit the movement range of the push rod 34, ensuring that the push rod 34 is fully stressed when moving, thereby improving the bearing capacity of the push rod 34 and preventing the push rod 34 from bending when fixed, resulting in the inability to disassemble the forming die 4. On one side of the lifting plate 33 close to the support frame 2, two electromagnets 32 are fixedly connected. When the electromagnets 32 are energized and contact the iron sheets on the clamping plate 31, they adsorb, and the electromagnets 32 use magnetic force to fix the movement of the clamping plate 31, preventing the clamping plate 31 from moving during the loading and unloading of the forming die 4 and affecting the loading and unloading of the forming die 4. When the electromagnets 32 are de-energized and lose magnetic force, the clamping plate 31 is released, and the clamping plate 31 moves with the push of the push rod 34;

[0063] The push rod 34 is slidably connected to the inner surface of the lifting plate 33. When the push rod 34 is pushed by a thrust force on the lifting plate 33, the clamping plate 31 is moved into the chassis 1, and the clamping plate 31 is clamped on the chassis 1, thereby fixing the installation of the forming die 4 on the chassis by the clamping of the clamping plate 31, preventing the forming die 4 from loosening during gear processing and affecting the forming of the gear. Moreover, when the push rod 34 moves, the contact plate 36 is driven to move through the elastic plate 35, so that the clamping of the clamping plate 31 adjusts the position of the contact plate 36. When the push rod 34 moves in the direction of the contact plate 36 due to the release of pressure, the push rod 34 drives the clamping plate 31 away from the chassis 1, thereby releasing the fixing of the forming die 4 and facilitating the subsequent pulling of the forming die 4 out of the chassis 1. One end of the push rod 34 close to the support frame 2 is fixedly connected to the clamping plate 31, and the other end of the push rod 34 away from the clamping plate 31 is fixedly connected to the elastic plate 35. On the side of the elastic plate 35 away from the push rod 34, a contact plate 36 is fixedly connected. When the feeding assembly 5 moves above the forming die 4, the contact plates 36 come into contact with each other, so that the contact plate 36 is pressed against the elastic plate 35 by the pressure of the feeding assembly 5, facilitating the contraction of the elastic plate 35 to drive the contact plate 36 to move in the direction close to the push rod 34, enabling the contact plate 36 to position the movement of the feeding assembly 5, preventing the feeding assembly 5 from shifting on the forming die 4 and causing deviation in the raw material addition position, thereby improving the accuracy of raw material addition. When the contact plate 36 is separated from the feeding assembly 5, the elastic plate 35 returns to its original position due to the loss of pressure, and the elastic plate 35 extends to push the contact plate 36 to return to its original position.

[0064] Among them, both ends of the push rod 34 penetrate through the lifting plate 33 and extend to the outside of the lifting plate 33, and the bottom of the clamping plate 31 is slidably connected to the forming die 4.

[0065] Among them, the feeding assembly 5 includes a storage box 51 which is slidably connected to the top of the chassis 1. The storage box 51 is used for storing raw materials and adding raw materials into the forming die 4. By adding raw materials on the chassis 1 through the storage box 51, the pushing of materials is stored inside the storage box 51. The storage box 51 is pushed by the elongation of the feeding air cylinder 56 to move closer to the position of the forming die 4, so that the storage box 51 moves to convey the raw materials. When the material discharging port of the storage box 51 corresponds to the forming die 4, the feeding air cylinder 56 stops moving, ensuring that raw materials are not easily discharged and wasted when the storage box 51 adds raw materials later. And when the storage box 51 is above the forming die 4, it presses the contact plate 36, causing the contact plate 36 to move. The feeding air cylinder 56 contracts to drive the storage box 51 away from the forming die 4, so that the contact plate 36 loses the pressure of the storage box 51 and resets. By using the telescopic movement of the feeding air cylinder 56 to push the storage box 51, raw materials can be repeatedly added to the forming die 4, enabling the gear die 8 to extrude and form the raw materials in the forming die 4 multiple times. One side of the storage box 51 away from the support frame 2 is fixedly connected with a feeding air cylinder 56, and the outer surface of the feeding air cylinder 56 is fixedly connected to the chassis 1;

[0066] The blanking cylinder 54 is fixedly connected to one side of the storage box 51 close to the feeding cylinder 56. One end of the blanking cylinder 54 away from the feeding cylinder 56 is rotatably connected to an adjusting seat 53. The adjusting seat 53 is driven by the blanking cylinder 54 to move. When the adjusting seat 53 moves onto the receiving frame 55, it rotates, causing the adjusting seat 53 to drive the sealing plate 52 to form an inclined plane. When the adjusting seat 53 moves along the receiving frame 55, it can drive the sealing plate 52 to separate from the storage box 51, so that the sealing plate 52 does not easily affect the raw material addition inside the storage box 51. The rotation of the adjusting seat 53 is automatically adjusted with the expansion and contraction of the blanking cylinder 54, so that the movement of the adjusting seat 53 on the receiving frame 55 does not easily affect the sealing of the blanking port by the sealing plate 52. The bottom of the adjusting seat 53 is slidably connected to the receiving frame 55. One side of the adjusting seat 53 away from the blanking cylinder 54 is fixedly connected to the sealing plate 52. The blanking port is blocked by the sealing plate 52 inside the storage box 51, so that the raw materials do not easily leak when the storage box 51 does not fall. The sealing plate 52 is gradually driven by the contraction of the blanking cylinder 54 through the adjusting seat 53 to expose the blanking port of the storage box 51, so that the raw materials are discharged through the blanking port. The sealing plate 52 can adjust the exposure of the blanking port under the drive of the blanking cylinder 54, thereby controlling the speed of raw material addition. And the sealing plate 52 blocks the blanking port under the push of the extension of the blanking cylinder 54, so that the blanking port is sealed after blanking is completed, preventing the raw materials from falling when the storage box 51 moves. When the sealing plate 52 moves inside the storage box 51, it can push the raw materials to move, changing the accumulation position of the raw materials inside the storage box 51, and thus accelerating the falling of the raw materials in the storage box 51.

[0067] Among them, the bottom of the sealing plate 52 is slidably connected to the storage box 51, the bottom of the receiving frame 55 is fixedly connected to the storage box 51, and one end of the blanking cylinder 54 close to the adjusting seat 53 penetrates the storage box 51.

[0068] Among them, the receiving frame 55 includes a fixing plate 551, which is fixedly connected to the bottom of the inner cavity of the storage box 51. The fixing plate 551 and the receiving plate 552 are installed inside the storage box 51, creating an inclined plane inside the storage box 51. This facilitates the movement of the sealing plate 52 guided by the fixing plate 551 and the receiving plate 552, and can separate the positions of the raw materials stored inside the storage box 51, facilitating the addition of raw materials inside the storage box 51. The installation positions of the fixing plate 551 and the receiving plate 552 can reinforce the storage box 51. A receiving plate 552 is fixedly connected to one side of the fixing plate 551 close to the sealing plate 52. A vibrator 553 is fixedly connected to the top of the inner cavity of the receiving plate 552. When the vibrator 553 is inside the receiving plate 552, the vibrator 553 generates a vibration force during operation and transmits the vibration force to the receiving plate 552. When the receiving plate 552 vibrates, it drives the movement of the raw materials inside the storage box 51, thereby accelerating the dropping of the raw materials inside the storage box 51 using the vibration generated by the vibrator 553, preventing the raw materials from remaining at the edge positions inside the storage box 51 and affecting the addition of raw materials. When the vibrator 553 is not working, it can support the receiving plate 552, thereby increasing the bearing capacity of the receiving plate 552 itself;

[0069] A processor 554, which is fixedly connected to the bottom of the inner cavity of the receiving plate 552. An arc-shaped plate 555 is fixedly connected to the top of the processor 554. The arc-shaped plate 555 supports the sensing plate 556 on the processor 554, and the arc-shaped plate 555 has elasticity. When the sensing plate 556 is subjected to pressure, it descends and squeezes the arc-shaped plate 555, causing the arc-shaped plate 555 to contract and limit the descending distance of the sensing plate 556, facilitating the movement of the sensing plate 556 on the receiving plate 552 for sealing when it descends, preventing raw materials from entering the inside of the receiving plate 552 and contacting the processor 554. As the pressure on the sensing plate 556 is lost, the arc-shaped plate 555 elongates and resets, causing the arc-shaped plate 555 to push the sensing plate 556 to reset, thereby adjusting the position of the sensing plate 556 on the receiving plate 552. An arc-shaped plate 555 is fixedly connected to the top of the sensing plate 556. When the sensing plate 556 contacts the adjusting seat 53 and the sealing plate 52 on the receiving plate 552, it senses the pressure. The pressure sensed by the sensing plate 556 is transmitted to the processor 554 for recording. The pressure received by the sensing plate 556 monitors the moving distance of the sealing plate 52 and the adjusting seat 53. And when the raw materials are stored inside the storage box 51, they do not contact the tops of the receiving plate 552 and the fixing plate 551, avoiding the influence on the movement of the sealing plate 52 when the tops of the receiving plate 552 and the fixing plate 551 contact the raw materials. The outer surface of the sensing plate 556 is slidably connected to the receiving plate 552.

[0070] Example 2, please refer to Figures 1 - 12, on the basis of Embodiment 1, the present invention provides a technical solution: a method for using a powder metallurgy molding machine for an automotive spiral gear. Step 1: Pour the raw materials into the inside of the storage box 51. The feeding cylinder 56 extends on the chassis 1 and pushes the storage box 51 to move towards the position close to the molding die 4. When the storage box 51 moves above the molding die 4, it stops, so that the discharge port of the storage box 51 corresponds to the molding die 4. The blanking cylinder 54 contracts and drives the sealing plate 52 to move through the adjusting seat 53. The storage box 51 presses against the contact plate 36 above the molding die 4, so that the contact plate 36 is pressured to press the elastic plate 35. As the adjusting seat 53 slides on the induction plate 556 and the receiving plate 552 and tilts, the adjusting seat 53 drives the sealing plate 52 to move along the receiving plate 552, thereby exposing the blanking port, and the raw materials enter the inside of the molding die 4 through the blanking port;

[0071] Step 2: Use the induction plate 556 to sense the pressure when the adjusting seat 53 and the sealing plate 52 move. The induction plate 556 is pressured to press the arc plate 555, so that the arc plate 555 contracts and drives the induction plate 556 to slide down on the receiving plate 552. Along with the pressure sensed by the induction plate 556 being transmitted to the processor 554, it monitors the movement of the adjusting seat 53 and the sealing plate 52 in real time. After the raw materials fall, the blanking cylinder 54 extends and drives the sealing plate 52 to move through the adjusting seat 53 to block the blanking port. When the adjusting seat 53 and the sealing plate 52 move along the receiving plate 552 and the induction plate 556 loses pressure, the arc plate 555 extends and pushes the induction plate 556 to reset. The feeding cylinder 56 contracts and pulls the storage box 51 away from the molding die 4, and the elastic plate 35 loses pressure and pushes the contact plate 36 to reset;

[0072] Step 3: The pressure-bearing block 7 contacts the raw materials inside the molding die 4. The hydraulic cylinder 9 extends on the support frame 2 and pushes the gear die 8 to descend. When the gear die 8 enters the inside of the molding die 4, it presses the raw materials for gear processing. The protrusion of the pressure-bearing block 7 inserts into the inside of the gear die 8. After the gear die 8 finishes pressing, the hydraulic cylinder 9 contracts and drives the gear die 8 to rise. Add raw materials to the inside of the molding die 4 again, and then the gear die 8 descends for extrusion, so that it repeats multiple times for gear extrusion molding;

[0073] Step 4: When the hydraulic cylinder 9 contracts and drives the gear die 8 to leave the molding die 4, the ejecting cylinder 62 extends on the support frame 61 and pushes the mounting plate 63 to rise. The mounting plate 63 drives the lifting plate 64 to rise vertically along the support frame 61, so that the lifting plate 64 pushes the pressure-bearing block 7 to slide inside the molding die 4 through the fixing rod 66. The pressure-bearing block 7 pushes the formed gear out of the molding die 4. Then the mechanical claw externally connected to the chassis 1 clamps the gear. The ejecting cylinder 62 contracts and drives the mounting plate 63 to descend, so that the mounting plate 63 drives the pressure-bearing block 7 to descend through the lifting plate 64 and the fixing rod 66. The pressure-bearing block 7 stops when it moves to contact the limiting sleeve 654;

[0074] Step Five: Use the stabilizing ring 651 to contact the forming die 4 on the support frame 61, so that the stabilizing ring 651 supports the limiting sleeve 654, apply a thrust to the dial 652, and make the dial 652 rotate counterclockwise on the mounting seat 653. The rotation of the dial 652 drives the plug 655 to slide on the support frame 61 and insert into the inside of the support frame 61. The reset plate 656 supports the plug 655 as the dial 652 rotates, so that the plug 655 fixes the stabilizing ring 651. The dial 652 rotates counterclockwise to push the plug 655 away from the support frame 61. The plug 655 rotates on the dial 652 under pressure and stretches the reset plate 656. As the plug 655 leaves the support frame 61, the reset plate 656 contracts to drive the plug 655 to reset, and the fixation of the stabilizing ring 651 is released;

[0075] Step Six: When the push rod 34 is subjected to a pulling force, drive the clamping plate 31 to leave the chassis 1 on the lifting plate 33. Use the electromagnet 32 to energize on the lifting plate 33 to generate a magnetic force to adsorb the iron sheet on the clamping plate 31. When the push rod 34 moves, drive the contact plate 36 to move through the elastic plate 35. The staff holds the lifting plate 33 and applies an upward pulling force, so that the lifting plate 33 drives the forming die 4 to rise. When installing the forming die 4, the staff holds the lifting plate 33 and places the forming die 4 on the chassis 1. The electromagnet 32 is powered off and loses its magnetic force, and a thrust is applied to the push rod 34, so that the push rod 34 drives the clamping plate 31 to insert into the inside of the chassis 1 and fixes the forming die 4 on the chassis 1.

[0076] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. A powder metallurgy forming machine for automotive helical gears, comprising a chassis (1), the top of the chassis (1) being fixedly connected to a support frame (2), characterized in that: Also includes: A hydraulic cylinder (9), the hydraulic cylinder (9) being fixedly connected to the top of the support frame (2), the hydraulic cylinder (9) being used to control the height of the extrusion molding, and the bottom end of the hydraulic cylinder (9) being fixedly connected to a gear mold (8); A feeding assembly (5), the feeding assembly (5) being slidably connected to the top of the chassis (1), and the feeding assembly (5) being used to transport the raw material to the extrusion position; A forming die (4), the forming die (4) being slidably connected to the inner surface of the chassis (1), the top of the forming die (4) being fixedly connected to a locking assembly (3), the outer surface of the locking assembly (3) being snap-fitted to the chassis (1), the inner surface of the forming die (4) being slidably connected to a pressure block (7), the bottom of the pressure block (7) being fixedly connected to an ejection assembly (6), the bottom of the ejection assembly (6) being fixedly connected to the chassis (1); The ejection assembly (6) comprises a support frame (61), the support frame (61) is fixedly connected to the bottom of the inner cavity of the chassis (1), and the top of the support frame (61) is fixedly connected to a stabilizing frame (65); An ejection cylinder (62) is fixedly connected to the bottom of the inner cavity of the support frame (61); the top of the ejection cylinder (62) is fixedly connected to a mounting plate (63); the top of the mounting plate (63) is fixedly connected to a lifting plate (64); the top of the lifting plate (64) is fixedly connected to a fixing rod (66); the top of the fixing rod (66) is fixedly connected to a pressure block (7); The bottom end of the stabilizing frame (65) passes through the supporting frame (61), and the inner surface of the stabilizing frame (65) is slidably connected to the pressure block (7); The stabilizing frame (65) comprises a stabilizing ring (651), the stabilizing ring (651) being fixedly connected to the top of the supporting frame (61), and a limiting sleeve (654) being fixedly connected to the bottom of the stabilizing ring (651); A mounting seat (653) fixedly connected to the outer surface of the stabilizing ring (651), the inner surface of the mounting seat (653) being rotatably connected to a shift plate (652), a side of the shift plate (652) close to the stabilizing ring (651) being rotatably connected to an insert plate (655), and a side of the insert plate (655) close to the shift plate (652) being fixedly connected to a reset plate (656); The side of the reset plate (656) away from the plug plate (655) is fixedly connected to the shift plate (652), and the bottom of the limiting sleeve (654) is slidably connected to the fixed rod (66); The locking assembly (3) comprises a lifting plate (33), the lifting plate (33) being fixedly connected to the top of the forming die (4), the lifting plate (33) being used to pull the forming die (4) out of the chassis (1), and an electromagnet (32) being fixedly connected to a side of the lifting plate (33) close to the support frame (2); A push rod (34), the push rod (34) being slidably connected to the inner surface of the lifting plate (33), the end of the push rod (34) close to the support frame (2) being fixedly connected to the clamping plate (31), the end of the push rod (34) away from the clamping plate (31) being fixedly connected to the elastic plate (35), and the side of the elastic plate (35) away from the push rod (34) being fixedly connected to the contact plate (36); Both ends of the push rod (34) penetrate the lifting plate (33) and extend to the outside of the lifting plate (33), and the bottom of the clamping plate (31) is slidably connected to the forming mold (4); The feeding assembly (5) comprises a material storage box (51), the material storage box (51) being slidably connected to the top of the chassis (1), the material storage box (51) being used to store raw materials and add raw materials to the inside of the forming mold (4), a feeding cylinder (56) being fixedly connected to a side of the material storage box (51) away from the support frame (2), and an outer surface of the feeding cylinder (56) being fixedly connected to the chassis (1); A material discharge cylinder (54), the material discharge cylinder (54) being fixedly connected to a side of the material storage box (51) close to the material feeding cylinder (56), an end of the material discharge cylinder (54) away from the material feeding cylinder (56) being rotatably connected to an adjustment seat (53), a receiving frame (55) being slidably connected to the bottom of the adjustment seat (53), and a sealing plate (52) being fixedly connected to a side of the adjustment seat (53) away from the material discharge cylinder (54); The bottom of the sealing plate (52) is slidably connected to the material storage box (51), the bottom of the receiving frame (55) is fixedly connected to the material storage box (51), and one end of the material discharge cylinder (54) close to the adjustment seat (53) penetrates the material storage box (51); The receiving frame (55) comprises a fixing plate (551) fixedly connected to the bottom of the inner cavity of the material storage box (51); a receiving plate (552) is fixedly connected to one side of the fixing plate (551) close to the sealing plate (52); and a vibrator (553) is fixedly connected to the top of the inner cavity of the receiving plate (552); A processor (554), the processor (554) being fixedly connected to the bottom of the inner cavity of the receiving plate (552), the top of the processor (554) being fixedly connected to an arc-shaped plate (555), the top of the arc-shaped plate (555) being fixedly connected to an induction plate (556), driving the outer surface of the induction plate (556) to be slidably connected to the receiving plate (552); The feeding cylinder (56) extends on the chassis (1) to push the material storage box (51) to move toward a position close to the forming die (4). The material storage box (51) stops when it moves to above the forming die (4), so that the material outlet of the material storage box (51) corresponds to the forming die (4). The unloading cylinder (54) contracts to drive the sealing plate (52) to move via the adjustment seat (53), and the material storage box (51) presses the contact plate (36) above the forming die (4).

2. The powder metallurgy forming machine for automotive helical gears according to claim 1, characterized in that: The outer surface of the fixing rod (66) is slidably connected to the stabilizing frame (65), and the position of the lifting plate (64) away from the fixing rod (66) is slidably connected to the supporting frame (61).

3. The powder metallurgy forming machine for automotive helical gears according to claim 1, characterized in that: The bottom end of the hydraulic cylinder (9) passes through the support frame (2) and extends to the outside of the support frame (2), and the top of the pressure block (7) extends to the outside of the forming mold (4).

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