Powder metallurgy pressure forming equipment and forming method

Abstract

The invention relates to the field of metallurgical machining, and particularly discloses powder metallurgy pressure forming equipment and a forming method.The powder metallurgy pressure forming equipment comprises a bearing plate, a machining groove is formed in the bearing plate, and a pressure mechanism matched with the machining groove is arranged on the bearing plate; a containing box for containing metal powder is arranged on the bearing plate, a releasing assembly is arranged on the containing box, and the releasing assembly is used for releasing the powder in the containing box into the machining groove. In the pressurizing process, the movement of the containing box and the release action of powder are achieved, it is guaranteed that the powder in the containing box does not fall off, coordinated operation of the containing box and the release assembly is achieved, powder pressurizing forming is completed, in the machining process, continuity of the working procedures is achieved, connection of the working procedures is improved, connection of the working procedures is smooth, and the machining efficiency is improved. No procedure action waiting time exists, the machining time is shortened, the production efficiency is improved, the enterprise cost is reduced, and the market competition of enterprises is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of metallurgical processing, and in particular to a powder metallurgy pressure molding device and a molding method. Background Art

[0002] Powder metallurgy compression molding equipment is mainly used to compress metal or ceramic powder into parts of specific shapes. It is extremely important in the powder metallurgy industry and can produce high-density, high-strength parts. It is widely used in automobiles, aerospace, machinery, electronics, medical equipment and other fields. The main operation is to first fill the metal or ceramic powder into the mold cavity evenly by gravity or mechanical means, then close the mold, pre-compress it, and then use a hydraulic press or mechanical press to apply huge pressure to the powder in the mold. After the pressing is completed, demolding is carried out, the mold is opened, the compact is taken out, and the product is formed through sintering and other treatments.

[0003] In the existing patent 202310297653.X, a pressurizing mechanism of a powder forming machine for a ceramic filter is disclosed, including a frame component, the frame component includes a frame, a lower shell mold is arranged on the front side of the rear inner wall of the frame, the lower shell mold includes a mold plate 1, the rear surface of the mold plate 1 is fixedly connected to the frame, a mold tube 1 is embedded and fixedly connected on the front side of the middle part of the surface of the mold plate 1, the mold tube 1 is in a square tube shape, the lower end face of the mold tube 1 is flush with the mold plate 1, the upper end face of the mold tube 1 extends out of the mold plate 1, and mold tube grooves 1 are evenly and equidistantly opened in the middle part of the upper surface of the right wall of the mold tube 1, the number of the mold tube grooves 1 is three, and a powder outlet component group is arranged on the right side of the lower shell mold, the powder outlet component group is composed of two upper and lower powder outlet components stacked together to ensure the molding quality of the ceramic filter shell.

[0004] In the above structure, powder metallurgy can be pressurized, but during the pressurization process, it is difficult to achieve continuity between various processes, that is, when one process is completed, it is necessary to wait for the next process to start, which reduces the connectivity between the processes. It is difficult to connect the processes smoothly, and waiting time is prone to occur, which will increase the processing time, greatly reduce production efficiency, increase the cost of enterprise production, and is not conducive to the enterprise's market competition.

[0005] Therefore, how to provide a powder metallurgy pressure molding equipment and molding method is a problem that technical personnel in this field urgently need to solve. Summary of the invention

[0006] An object of the present invention is to provide a powder metallurgy pressurized molding device and a molding method. The powder metallurgy pressurized molding device of the present invention comprises a carrier plate, a processing groove is provided on the carrier plate, and a pressurizing mechanism adapted to the processing groove is provided on the carrier plate;

[0007] The carrier plate is provided with a containing box for containing metal powder, and the containing box is provided with a releasing component, and the releasing component is used to release the powder in the containing box into the processing tank;

[0008] The pressurizing mechanism is provided with a connecting rod, the connecting rod is provided with a driven assembly connected to the containing box, and the connecting rod is provided with a transmission assembly connected to the releasing assembly;

[0009] Wherein, through the cooperation between the driven component and the transmission component, when the pressurizing mechanism is pressed down, the containing box is brought close to the processing groove, and the releasing component completes the release of powder from the containing box into the processing groove.

[0010] Preferably, the pressurizing mechanism comprises a support plate arranged on the bearing plate, a hydraulic lift is arranged on the support plate, and a pressing die matched with the processing groove is arranged at the output end of the hydraulic lift.

[0011] Preferably, the release assembly comprises a push rod arranged on the accommodating box, the push rod is provided with a blocking plate adapted to the opening of the accommodating box, the push rod is provided with a connecting plate, and the transmission assembly is connected to the connecting plate.

[0012] Preferably, the driven assembly includes a support frame arranged on the supporting plate, a bearing on the support frame is connected to an axle rod one, a turntable is fixedly sleeved on the axle rod one, a connecting rod is hinged on the turntable at a position deviating from the center of the circle, a guide block is arranged on the supporting plate, a push rod is hinged on the connecting rod, the push rod passes through the guide block, and the accommodating box is connected to the push rod.

[0013] Preferably, the driven assembly further comprises a shaft rod 2 connected to the support frame by a bearing, a driving bevel gear is fixedly sleeved on the shaft rod 1, and a driven bevel gear meshing with the driving bevel gear is fixedly sleeved on the shaft rod 2.

[0014] Preferably, the driven assembly further comprises a vertical rod 1 arranged on the connecting rod, the vertical rod 1 is provided with two spur racks 1 arranged at intervals, and the shaft rod 2 is fixedly sleeved with a rotating gear 1 meshing with the spur racks 1.

[0015] Preferably, the transmission assembly includes two spur racks 2 arranged on the vertical rod 1, the two spur racks 2 are arranged at intervals on the vertical rod 1, the vertical rod 2 is arranged on the connecting rod, two spur racks 3 are arranged at intervals on the vertical rod 2, and the spur racks 2 and the spur racks 3 are arranged in sequence at intervals.

[0016] Preferably, the transmission assembly also includes a threaded sleeve with a bearing connected to the guide block, the end fixing sleeve of the threaded sleeve is provided with a rotating gear 2 which is meshed with the spur rack 2 and the spur rack 3, and a threaded rod which is adapted to the threaded sleeve is provided on the connecting plate, and the thread of the threaded rod passes through the threaded sleeve so that the extension amount of the threaded rod is equal to the extension amount of the push rod.

[0017] Preferably, an ejection assembly is provided in the processing groove, and the ejection assembly includes a ejector rod arranged on the bearing plate, the ejector rod passes through the bearing plate, the ejector rod is provided with an ejection plate located in the processing groove, the ejector rod is provided with a contact rod, the connecting rod is provided with a support rod, the support rod is provided with a sliding rod, the sliding rod passes through the support rod, the end of the sliding rod is provided with a resistance rod matched with the contact rod, the other end of the sliding rod is provided with a stopper, and a spring sleeved on the outer ring of the sliding rod is provided between the support rod and the stopper.

[0018] A molding method of a powder metallurgy pressure molding device is also proposed, wherein the device is restored to its original position, so that the pressure mechanism returns to its original position, and metal powder is added into the containing box to complete the preparation work;

[0019] The pressurizing mechanism is activated to press downward, forcing the connecting rod to press downward until the spur rack 1 is meshed with the rotating gear 1, and the spur rack 2 is meshed with the rotating gear 2, and under the action of the driven component, the pushing rod is forced to push the containing box to move until the outlet of the containing box corresponds to the processing groove, and at the same time, under the action of the transmission component, the blocking plate moves synchronously with the containing box;

[0020] At this time, the spur rack 1 is separated from the rotating gear 1, and the spur rack 2 is separated from the rotating gear 2, and the spur rack 3 is meshed with the rotating gear 2. Under the action of the transmission assembly, the blocking plate is retracted to release the outlet of the containing box, so that the powder in the containing box falls into the processing tank. At this time, the containing box does not move;

[0021] The pressurizing mechanism continues to press downward, the spur rack 1 is separated from the rotating gear 1, the spur rack 2 is meshed with the rotating gear 2, and the spur rack 3 is separated from the rotating gear 2, so that the blocking plate blocks the exit of the containing box;

[0022] The spur rack 1 is meshed with the rotating gear 1, and the spur rack 2 is separated from the rotating gear 2, and the spur rack 3 is meshed with the rotating gear 2, and the push rod pulls the containing box to move backward, and at the same time, the blocking plate moves backward synchronously with the containing box, exposing the processing groove and the metal powder;

[0023] The pressurizing mechanism continues to press down until the spur rack 1 is separated from the rotating gear 1, and the spur rack 2 is separated from the rotating gear 2, and the spur rack 3 is separated from the rotating gear 2, until the pressing die enters the processing groove, completing the metal powder pressurization molding.

[0024] The beneficial effects of the present invention are as follows:

[0025] The present invention places powder in a containing box, starts a pressurizing mechanism, and forces the pressurizing mechanism to drive the connecting rod to move, so that the connecting rod is pressed downward, until the driven component and the transmission component act simultaneously, forcing the release component and the containing box to move to the processing groove position simultaneously, and the pressurizing mechanism continues to press downward, at which time the driven component does not act, and the transmission component acts, forcing the release component to move, thereby exposing the outlet of the containing box, so that the metal powder in the containing box continuously enters the processing groove until the processing groove is filled with powder; the pressurizing mechanism continues to press downward, the driven component still does not act, and the transmission component acts, forcing the release component to move, and the release component blocks the outlet of the containing box; the pressurizing mechanism continues to press downward, the driven component and the transmission component act simultaneously, so that the containing box and the release component act simultaneously. The pressurizing mechanism continues to press down, while the transmission component and the driven component do not move. The pressurizing mechanism pressurizes the metal powder in the processing groove until the powder is pressurized and formed. In summary, a powder metallurgy pressurizing forming device and a forming method of the present application realize the movement of the containing box and the release of the powder during the pressurizing process, thereby ensuring that the powder in the containing box will not fall, and realize the coordinated operation of the containing box and the releasing component to complete the powder pressurizing and forming. During the processing, the continuity between the processes is realized, the connection between the processes is improved, the processes are smoothly connected, there is no waiting time for the process actions, the processing time is reduced, the production efficiency is improved, the enterprise cost is reduced, and it is beneficial to the market competition of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a three-dimensional structure entity diagram of the present invention;

[0028] Figure 2 A diagram showing the positional relationship between the driven component and the transmission component of the present invention;

[0029] Figure 3 It is a structural entity diagram of the pressurizing mechanism of the present invention;

[0030] Figure 4 It is a structural entity diagram of the bearing plate of the present invention;

[0031] Figure 5 A structural entity diagram of the release assembly of the present invention;

[0032] Figure 6 It is a structural entity diagram of the driven component of the present invention;

[0033] Figure 7 It is a front view of the driving bevel gear and the driven bevel gear of the present invention;

[0034] Figure 8 It is a structural entity diagram of the driven component of the present invention;

[0035] Fig. 9 It is a structural entity diagram of the ejection assembly of the present invention;

[0036] Fig.10 It is a structural entity diagram of the interference rod of the present invention.

[0037] In the figure: 1, bearing plate; 2, processing groove; 3, pressurizing mechanism; 301, support plate; 302, hydraulic lifter; 303, pressing die; 4, receiving box; 5, releasing assembly; 501, push rod; 502, blocking plate; 503, connecting plate; 6, connecting rod; 7, driven assembly; 701, support frame; 702, shaft rod 1; 703, turntable; 704, connecting rod; 705, guide block; 706, push rod; 707, shaft rod 2; 708, driving bevel gear; 709 , driven bevel gear; 7010, vertical rod one; 7011, spur rack one; 7012, rotating gear one; 8, transmission assembly; 801, spur rack two; 802, vertical rod two; 803, spur rack three; 804, threaded sleeve; 805, rotating gear two; 806, threaded rod; 9, ejector assembly; 901, ejector rod; 902, ejector plate; 903, contact rod; 904, support rod; 905, slide rod; 906, resistance rod; 907, stopper; 908, spring. DETAILED DESCRIPTION

[0038] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0039] Embodiment 1:

[0040] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10As shown, a powder metallurgy pressurizing molding device of the present invention comprises a carrier plate 1, a processing groove 2 is formed on the carrier plate 1, and a pressurizing mechanism 3 adapted to the processing groove 2 is arranged on the carrier plate 1;

[0041] A containing box 4 for metal powder is arranged on the carrier plate 1, a feeding port for adding powder and an outlet for releasing powder are provided on the containing box 4, and a releasing component 5 is arranged on the containing box 4, and the releasing component 5 is used to release the powder in the containing box 4 into the processing tank 2;

[0042] The pressurizing mechanism 3 is provided with a connecting rod 6, the connecting rod 6 is provided with a driven assembly 7 connected to the containing box 4, and the connecting rod 6 is provided with a transmission assembly 8 connected to the releasing assembly 5;

[0043] Among them, through the cooperation of the driven component 7 and the transmission component 8, when the pressurizing mechanism 3 is pressed down, the containing box 4 is close to the processing tank 2, and the releasing component 5 completes the release of powder from the containing box 4 into the processing tank 2.

[0044] Working principle: by placing the powder in the containing box 4 and starting the pressurizing mechanism 3, the pressurizing mechanism 3 is forced to drive the connecting rod 6 to move, so that the connecting rod 6 is pressed down, until the driven component 7 and the transmission component 8 act at the same time, forcing the release component 5 and the containing box 4 to move to the processing groove 2 position at the same time, and the pressurizing mechanism 3 continues to press down. At this time, the driven component 7 does not act, and the transmission component 8 acts, forcing the release component 5 to move, thereby exposing the outlet of the containing box 4, so that the metal powder in the containing box 4 continuously enters the processing groove 2 until the processing groove 2 is filled with powder; the pressurizing mechanism 3 continues to press down, the driven component 7 still does not act, and the transmission component 8 acts, forcing the release component 5 to move, and the release component 5 blocks the outlet of the containing box 4; the pressurizing mechanism 3 continues to press down, the driven component 7 and the transmission component 8 act at the same time, so that the containing box 4 The receiving box 4 and the release component 5 return to their original positions synchronously, thereby exposing the processing groove 2 and the metal powder in the processing groove 2, and the pressurizing mechanism 3 continues to press down, the transmission component 8 and the driven component 7 do not move, and the pressurizing mechanism 3 pressurizes the metal powder in the processing groove 2 until the powder is pressurized and formed; in summary, a powder metallurgy pressurizing forming equipment and a forming method of the present application realize the movement of the containing box 4 and the release of the powder during the pressurizing process, ensure that the powder in the containing box 4 will not fall, realize the coordinated operation of the containing box 4 and the release component 5, complete the powder pressurizing and forming, and realize the continuity between the processes during the processing, improve the connection between the processes, and make the processes smoothly connected, without the waiting time for the process actions, thereby reducing the processing time, improving the production efficiency, reducing the enterprise cost, and facilitating the market competition of the enterprise.

[0045] Embodiment 2:

[0046] like Figure 1 , Figure 2 and Figure 3 As shown, a powder metallurgy pressurizing molding device of the present invention, the pressurizing mechanism 3 includes a support plate 301 arranged on the supporting plate 1, and a hydraulic lift 302 is arranged on the support plate 301. The hydraulic lift 302 is the existing technology, and the output end of the hydraulic lift 302 is provided with a lower pressing mold 303 adapted to the processing groove 2.

[0047] like Figure 1 and Figure 5 As shown, a powder metallurgy pressurizing molding device of the present invention, the release component 5 includes a push rod 501 arranged on the accommodating box 4, a blocking plate 502 adapted to the opening of the accommodating box 4 is arranged on the push rod 501, a connecting plate 503 is arranged on the push rod 501, and the transmission component 8 is connected to the connecting plate 503.

[0048] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a powder metallurgy pressurizing molding device of the present invention, the driven component 7 includes a support frame 701 arranged on a supporting plate 1, a shaft rod 702 is connected to a bearing on the support frame 701, a turntable 703 is fixedly sleeved on the shaft rod 702, a connecting rod 704 is hinged on the turntable 703 at a position deviating from the center of the circle, a guide block 705 is arranged on the supporting plate 1, a push rod 706 is hinged on the connecting rod 704, the push rod 706 passes through the guide block 705, and the accommodating box 4 is connected to the push rod 706.

[0049] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a powder metallurgy pressurizing molding device of the present invention, the driven component 7 also includes a shaft rod 2 707 connected to a support frame 701 by a bearing, a driving bevel gear 708 is fixedly sleeved on the shaft rod 1 702, and a driven bevel gear 709 meshing with the driving bevel gear 708 is fixedly sleeved on the shaft rod 2 707.

[0050] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, a powder metallurgy pressurizing molding device of the present invention, the driven component 7 also includes a vertical rod 7010 arranged on the connecting rod 6, two spur racks 7011 arranged at intervals are arranged on the vertical rod 7010, and a rotating gear 7012 meshing with the spur rack 7011 is fixedly sleeved on the shaft 707.

[0051] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a powder metallurgy pressurizing molding device of the present invention, the transmission assembly 8 includes two straight racks 801 arranged on the vertical rod 7010, the two straight racks 801 are arranged on the vertical rod 7010 at intervals, a vertical rod 802 is arranged on the connecting rod 6, two straight racks 3 803 are arranged on the vertical rod 802 at intervals, and the straight racks 801 801 and the straight racks 3 803 are arranged in sequence at intervals.

[0052] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a powder metallurgy pressurizing molding device of the present invention, the transmission assembly 8 also includes a threaded sleeve 804 whose bearing is connected to the guide block 705, the end fixed sleeve of the threaded sleeve 804 is provided with a rotating gear 2 805 meshing with the spur rack 2 801 and the spur rack 3 803, and a threaded rod 806 adapted to the threaded sleeve 804 is provided on the connecting plate 503, and the threaded rod 806 is threadedly penetrated through the threaded sleeve 804 so that the extension amount of the threaded rod 806 is equal to the extension amount of the push rod 706.

[0053] like Figure 1 , Fig. 9 and Fig.10 As shown, a powder metallurgy pressure molding device of the present invention is provided with an ejector assembly 9 in a processing groove 2, the ejector assembly 9 includes an ejector rod 901 arranged on a bearing plate 1, the ejector rod 901 penetrates the bearing plate 1, an ejector plate 902 located in the processing groove 2 is arranged on the ejector rod 901, a contact rod 903 is arranged on the ejector rod 901, a support rod 904 is arranged on the connecting rod 6, a slide rod 905 is arranged on the support rod 904, the slide rod 905 penetrates the support rod 904, a resistance rod 906 matched with the contact rod 903 is arranged at the end of the slide rod 905, a stopper 907 is arranged at the other end of the slide rod 905, and a spring 908 sleeved on the outer ring of the slide rod 905 is arranged between the support rod 904 and the stopper 907.

[0054] Working principle: restore the device to its original position, so that the pressurizing mechanism 3 returns to its original position, add metal powder into the containing box 4, and complete the preparation work;

[0055] Start the hydraulic lift 302, so that the output end of the hydraulic lift 302 is pressed down to drive the connecting rod 6 to press down, and the connecting rod 6 drives the vertical rod 1 7010 and the vertical rod 2 802 to press down until the spur rack 1 7011 is meshed with the rotating gear 1 7012, and the spur rack 2 801 is meshed with the rotating gear 2 805;

[0056] When the hydraulic lift 302 is pressed down, the spur rack 1 7011 drives the rotating gear 1 7012 to rotate, forcing the shaft rod 2 707 to rotate, so that the driven bevel gear 709 rotates, thereby forcing the active bevel gear 708 to rotate, and the active bevel gear 708 drives the shaft rod 1 702 to rotate, and the shaft rod 1 702 drives the rotating disk 703 to rotate, and the rotating disk 703 drives the connecting rod 704 to move, and under the action of the guide block 705, the push rod 706 is forced to push the accommodating box 4 to move until the outlet of the accommodating box 4 corresponds to the processing groove 2, and at the same time, the spur rack 2 801 drives the rotating gear 2 805 to rotate, and the rotating gear 2 805 drives the threaded sleeve 804 to rotate, and the rotation of the threaded sleeve 804 forces the threaded rod 806 to move linearly, so that the threaded rod 806 drives the connecting plate 503 to move, and the connecting plate 503 forces the push rod 501 to move, so that the push rod 501 drives the blocking plate 502 to move synchronously with the accommodating box 4, and at this time, the blocking plate 502 is located between the processing groove 2 and the outlet of the accommodating box 4;

[0057] The metal powder is released, and the hydraulic lift 302 continues to press down until the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is meshed with the rotating gear 2 805. At this time, the containing box 4 does not move, and the spur rack 3 803 drives the rotating gear 2 805 to rotate in the opposite direction, and the rotating gear 2 805 drives the threaded sleeve 804 to rotate in the opposite direction. The rotation of the threaded sleeve 804 forces the threaded rod 806 to move back in a straight line, so that the threaded rod 806 drives the connecting plate 503 to move, and the connecting plate 503 forces the push rod 501 to move back, so that the push rod 501 drives the blocking plate 502 to retreat, and the blocking plate 502 releases the outlet of the containing box 4, so that the powder in the containing box 4 falls into the processing tank 2;

[0058] The hydraulic lifter 302 continues to press downward, at which time the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is meshed with the rotating gear 2 805, and the spur rack 3 803 is separated from the rotating gear 2 805. At this time, the accommodating box 4 does not move, the spur rack 2 801 drives the rotating gear 2 805 to rotate, and the rotating gear 2 805 drives the threaded sleeve 804 to rotate. The rotation of the threaded sleeve 804 forces the threaded rod 806 to move linearly, so that the threaded rod 806 drives the connecting plate 503 to move, and the connecting plate 503 forces the push rod 501 to move, so that the push rod 501 drives the blocking plate 502 to move toward the exit of the accommodating box 4, so that the blocking plate 502 blocks the exit of the accommodating box 4;

[0059] The processing groove 2 is exposed, and the hydraulic lift 302 continues to press down. At this time, the spur rack 1 7011 is meshed with the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is meshed with the rotating gear 2 805. The spur rack 1 7011 drives the rotating gear 1 7012 to rotate, forcing the shaft 2 707 to rotate, so that the driven bevel gear 709 rotates, thereby forcing the active bevel gear 708 to rotate, and the active bevel gear 708 drives the shaft 1 702 to rotate, the shaft 1 702 drives the rotating disk 703 to rotate, and the rotating disk 703 drives the connecting rod 704 to move, completing the circular motion of the rotating disk 703, and in the guide Under the action of the block 705, the push rod 706 is forced to push the containing box 4 to move until the containing box 4 retreats to expose the processing groove 2. At the same time, the spur rack 3 803 drives the rotating gear 2 805 to rotate in the opposite direction, and the rotating gear 2 805 drives the threaded sleeve 804 to rotate in the opposite direction. The rotation of the threaded sleeve 804 forces the threaded rod 806 to move back in a straight line, so that the threaded rod 806 drives the connecting plate 503 to move, and the connecting plate 503 forces the push rod 501 to move back, so that the push rod 501 drives the blocking plate 502 to retreat. Since the containing box 4 also retreats, the blocking plate 502 moves back synchronously with the containing box 4 to expose the processing groove 2 and the metal powder.

[0060] The hydraulic lift 302 continues to press down until the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is separated from the rotating gear 2 805, and the pressing die 303 enters the processing tank 2, completing the metal powder pressurization molding;

[0061] At this time, the connecting rod 6 drives the support rod 904 to move downward, and the resistance rod 906 contacts the contact rod 903. When the pressing mold 303 is pressed down to the maximum limit, the resistance rod 906 is subjected to force, driving the sliding rod 905 to slide on the support rod 904. Under the action of the stopper 907 and the support rod 904, and the limiting action of the ejection plate 902 and the bearing plate 1, the spring 908 is stretched, forcing the resistance rod 906 to pass over the contact rod 903, and the spring 908 returns to its original state.

[0062] When the pressurization is completed, the hydraulic lift 302 moves upward, and the resistance rod 906 contacts the contact rod 903, forcing the contact rod 903 to drive the ejector rod 901 and the ejector plate 902 to move upward, forcing the ejector plate 902 to eject the molded part from the processing groove 2, and taking the molded part away, and the hydraulic lift 302 continues to move upward until the contact rod 903 contacts the carrier plate 1. At this time, the resistance rod 906 is stressed, driving the slide rod 905 to slide on the support rod 904. Under the action of the stopper 907 and the support rod 904, the spring 908 is stretched, forcing the resistance rod 906 to pass over the contact rod 903, and the spring 908 returns to its original state;

[0063] During the upward movement of the hydraulic lift 302, the transmission assembly 8 and the driven assembly 7 force the containing box 4 and the blocking plate 502 to move toward the processing tank 2, and at the same time, the blocking plate 502 releases the containing box 4, so that the powder is added into the processing tank 2, and the powder is added for the second time to avoid the phenomenon of insufficient powder. After the addition is completed, the blocking plate 502 blocks the outlet of the containing box 4, and finally forces the containing box 4 and the blocking plate 502 to return to the original position, so that the device returns to the original position;

[0064] The setting of the pressurizing mechanism 3 adopts the form of mechanical pressurization, forcing the device to use the downward pressure force in the downward movement process, cleverly using the power of the device itself, improving the rationality of the device, so that the device can complete the cooperation between multiple processes in the downward pressure process, realize the continuity between the processes, improve the connection between the processes, and smoothly connect the processes; the setting of the releasing component 5 is convenient for limiting the outlet of the containing box 4, which is beneficial to the release of powder, and at the same time, it can limit the outlet of the containing box 4, improve the flexibility of the device, and facilitate the control of the device on the release of powder, improve the rationality of the device, and make the powder reasonably released; the setting of the driven component 7 can transmit the force of the connecting rod 6, which can make the containing box 4 move back and forth, so that the containing box 4 is aligned with the processing groove 2, so that after the device releases the powder , so that the containing box 4 retreats to expose the processing groove 2, improves the control of the containing box 4, and cleverly utilizes the principle of reciprocating motion so that when the containing box 4 moves back and forth to complete one action, it forces the turntable 703 to rotate one circle; the setting of the transmission component 8 can transmit the force of the connecting rod 6, thereby realizing the control effect on the releasing component 5, so that the releasing action of the releasing component 5 cleverly cooperates with the movement of the containing box 4, thereby completing the reasonable release of powder by the releasing component 5; the setting of the ejecting component 9 can eject the pressurized molded part from the processing groove 2, so that the device can lift the molded part during the upward movement, which is convenient for the processing of the molded part, avoids the phenomenon that the molded part is difficult to take out in the processing groove 2, improves the convenience of the material discharge action, and is conducive to the continuous pressurization of the device, thereby realizing the continuous processing of the device.

[0065] Embodiment three:

[0066] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 and Fig.10 As shown, the present invention proposes a molding method for a powder metallurgy pressurized molding device, wherein the device is restored to its original position, so that the pressurizing mechanism 3 is returned to its original position, and metal powder is added into the containing box 4 to complete the preparation work;

[0067] The pressurizing mechanism 3 is started to be pressed downward, forcing the connecting rod 6 to be pressed downward until the spur rack 1 7011 is meshed with the rotating gear 1 7012, and the spur rack 2 801 is meshed with the rotating gear 2 805. Under the action of the driven component 7, the push rod 706 is forced to push the containing box 4 to move until the outlet of the containing box 4 corresponds to the processing groove 2. At the same time, under the action of the transmission component 8, the blocking plate 502 moves synchronously with the containing box 4.

[0068] At this time, the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is meshed with the rotating gear 2 805. Under the action of the transmission assembly 8, the blocking plate 502 is retracted to release the outlet of the containing box 4, so that the powder in the containing box 4 falls into the processing tank 2. At this time, the containing box 4 does not move;

[0069] The pressurizing mechanism 3 continues to press downward, the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is meshed with the rotating gear 2 805, and the spur rack 3 803 is separated from the rotating gear 2 805, so that the blocking plate 502 blocks the exit of the containing box 4;

[0070] The spur rack 1 7011 is meshed with the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is meshed with the rotating gear 2 805, and the push rod 706 pulls the containing box 4 to move backward, and at the same time, the blocking plate 502 moves backward synchronously with the containing box 4, exposing the processing groove 2 and the metal powder;

[0071] The pressurizing mechanism 3 continues to press down until the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is separated from the rotating gear 2 805, until the pressing mold 303 enters the processing groove 2, completing the metal powder pressurization molding.

[0072] Working principle: restore the device to its original position, so that the pressurizing mechanism 3 returns to its original position, add metal powder into the containing box 4, and complete the preparation work;

[0073] The pressurizing mechanism 3 is started to be pressed downward, forcing the connecting rod 6 to be pressed downward until the spur rack 1 7011 is meshed with the rotating gear 1 7012, and the spur rack 2 801 is meshed with the rotating gear 2 805. Under the action of the driven component 7, the push rod 706 is forced to push the containing box 4 to move until the outlet of the containing box 4 corresponds to the processing groove 2. At the same time, under the action of the transmission component 8, the blocking plate 502 moves synchronously with the containing box 4.

[0074] At this time, the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is meshed with the rotating gear 2 805. Under the action of the transmission assembly 8, the blocking plate 502 is retracted to release the outlet of the containing box 4, so that the powder in the containing box 4 falls into the processing tank 2. At this time, the containing box 4 does not move;

[0075] The pressurizing mechanism 3 continues to press downward, the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is meshed with the rotating gear 2 805, and the spur rack 3 803 is separated from the rotating gear 2 805, so that the blocking plate 502 blocks the exit of the containing box 4;

[0076] The spur rack 1 7011 is meshed with the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is meshed with the rotating gear 2 805, and the push rod 706 pulls the containing box 4 to move backward, and at the same time, the blocking plate 502 moves backward synchronously with the containing box 4, exposing the processing groove 2 and the metal powder;

[0077] The pressurizing mechanism 3 continues to press down until the spur rack 1 7011 is separated from the rotating gear 1 7012, and the spur rack 2 801 is separated from the rotating gear 2 805, and the spur rack 3 803 is separated from the rotating gear 2 805, until the pressing mold 303 enters the processing groove 2, completing the metal powder pressurization molding.

[0078] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A powder metallurgy pressure molding equipment, characterized in that: It comprises a carrying plate (1), the carrying plate (1) is provided with a processing groove (2), and the carrying plate (1) is provided with a pressurizing mechanism (3) adapted to the processing groove (2); The carrier plate (1) is provided with a containing box (4) containing metal powder, and the containing box (4) is provided with a releasing component (5), and the releasing component (5) is used to release the powder in the containing box (4) into the processing tank (2); The pressurizing mechanism (3) is provided with a connecting rod (6), the connecting rod (6) is provided with a driven component (7) connected to the containing box (4), and the connecting rod (6) is provided with a transmission component (8) connected to the releasing component (5); Wherein, through the cooperation between the driven component (7) and the transmission component (8), when the pressurizing mechanism (3) is pressed downward, the containing box (4) is brought close to the processing groove (2), and the releasing component (5) completes the release of powder from the containing box (4) into the processing groove (2).

2. The powder metallurgy pressurizing molding equipment according to claim 1, characterized in that: The pressurizing mechanism (3) comprises a support plate (301) arranged on the carrier plate (1), a hydraulic lift (302) being arranged on the support plate (301), and a pressing die (303) matching the processing groove (2) being arranged at the output end of the hydraulic lift (302).

3. The powder metallurgy pressure molding equipment according to claim 2, characterized in that: The release assembly (5) comprises a push rod (501) arranged on the accommodating box (4), a blocking plate (502) adapted to the opening of the accommodating box (4) being arranged on the push rod (501), a connecting plate (503) being arranged on the push rod (501), and the transmission assembly (8) being connected to the connecting plate (503).

4. The powder metallurgy pressure molding equipment according to claim 3, characterized in that: The driven assembly (7) comprises a support frame (701) arranged on the supporting plate (1), a shaft rod (702) is connected to a bearing on the support frame (701), a rotating disk (703) is fixedly sleeved on the shaft rod (702), a connecting rod (704) is hingedly connected to the rotating disk (703) at a position deviating from the center of a circle, a guide block (705) is arranged on the supporting plate (1), a pushing rod (706) is hingedly connected to the connecting rod (704), the pushing rod (706) passes through the guiding block (705), and the accommodating box (4) is connected to the pushing rod (706).

5. The powder metallurgy pressure molding equipment according to claim 4, characterized in that: The driven assembly (7) further comprises a second shaft (707) connected to the support frame (701) by a bearing, a driving bevel gear (708) being fixedly sleeved on the first shaft (702), and a driven bevel gear (709) meshing with the driving bevel gear (708) being fixedly sleeved on the second shaft (707).

6. The powder metallurgy pressure molding equipment according to claim 5, characterized in that: The driven assembly (7) also includes a vertical rod (7010) arranged on the connecting rod (6), and two spur racks (7011) arranged at intervals are arranged on the vertical rod (7010), and a rotating gear (7012) meshing with the spur racks (7011) is fixedly sleeved on the shaft rod (707).

7. The powder metallurgy pressure molding equipment according to claim 6, characterized in that: The transmission assembly (8) comprises two straight rack gears (801) arranged on the vertical rod (7010), the two straight rack gears (801) are arranged on the vertical rod (7010) at intervals, a vertical rod (802) is arranged on the connecting rod (6), two straight rack gears (803) are arranged on the vertical rod (802) at intervals, and the straight rack gears (801) and the straight rack gears (803) are arranged in sequence at intervals.

8. The powder metallurgy pressure molding equipment according to claim 7, characterized in that: The transmission assembly (8) also includes a threaded sleeve (804) bearing-connected to the guide block (705); the end fixed sleeve of the threaded sleeve (804) is provided with a rotating gear (805) meshing with the spur rack (801) and the spur rack (803); the connecting plate (503) is provided with a threaded rod (806) adapted to the threaded sleeve (804); the threaded rod (806) is threadedly passed through the threaded sleeve (804) so ​​that the extension amount of the threaded rod (806) is equal to the extension amount of the push rod (706).

9. The powder metallurgy pressure molding equipment according to claim 8, characterized in that: An ejection assembly (9) is arranged in the processing groove (2), and the ejection assembly (9) comprises an ejector rod (901) arranged on the bearing plate (1), the ejector rod (901) passes through the bearing plate (1), an ejection plate (902) located in the processing groove (2) is arranged on the ejector rod (901), a contact rod (903) is arranged on the ejector rod (901), a support rod (904) is arranged on the connecting rod (6), and the support rod (904) is arranged on the connecting rod (6). A slide bar (905) is arranged on the support rod (904), and the slide bar (905) passes through the support rod (904). A resistance rod (906) adapted to the contact rod (903) is arranged at the end of the slide bar (905). A stopper (907) is arranged at the other end of the slide bar (905). A spring (908) sleeved on the outer ring of the slide bar (905) is arranged between the support rod (904) and the stopper (907).

10. A molding method of a powder metallurgy pressure molding device, characterized in that: The device is restored to its original position, so that the pressurizing mechanism (3) returns to its original position, and metal powder is added into the containing box (4), thereby completing the preparation work; The pressurizing mechanism (3) is started, so that the pressurizing mechanism (3) is pressed downward, forcing the connecting rod (6) to be pressed downward until the spur rack 1 (7011) is meshed with the rotating gear 1 (7012), and the spur rack 2 (801) is meshed with the rotating gear 2 (805), and under the action of the driven component (7), the pushing rod (706) is forced to push the containing box (4) to move until the outlet of the containing box (4) corresponds to the processing groove (2), and at the same time, under the action of the transmission component (8), the blocking plate (502) moves synchronously with the containing box (4); At this time, the spur rack 1 (7011) is separated from the rotating gear 1 (7012), and the spur rack 2 (801) is separated from the rotating gear 2 (805), and the spur rack 3 (803) is meshed with the rotating gear 2 (805). Under the action of the transmission assembly (8), the blocking plate (502) is retracted, releasing the outlet of the containing box (4), so that the powder in the containing box (4) falls into the processing tank (2). At this time, the containing box (4) does not move; The pressurizing mechanism (3) continues to press downward, the spur rack 1 (7011) is separated from the rotating gear 1 (7012), and the spur rack 2 (801) is meshed with the rotating gear 2 (805), and the spur rack 3 (803) is separated from the rotating gear 2 (805), so that the blocking plate (502) blocks the exit of the containing box (4); The spur rack 1 (7011) is meshed with the rotating gear 1 (7012), and the spur rack 2 (801) is separated from the rotating gear 2 (805), and the spur rack 3 (803) is meshed with the rotating gear 2 (805), and the push rod (706) pulls the containing box (4) to move backward, and at the same time, the blocking plate (502) moves backward synchronously with the containing box (4), exposing the processing groove (2) and the metal powder; The pressurizing mechanism (3) continues to press downward until the spur rack 1 (7011) is separated from the rotating gear 1 (7012), and the spur rack 2 (801) is separated from the rotating gear 2 (805), and the spur rack 3 (803) is separated from the rotating gear 2 (805), until the pressing die (303) enters the processing groove (2), thereby completing the metal powder pressurization molding.

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