A powder metallurgy finishing machine

Abstract

This invention discloses a powder metallurgy finishing machine, belonging to the field of metal powder processing. It includes a worktable, a storage bin slidably mounted on the worktable, a feeding trough on the storage bin, a mold fixedly mounted on the worktable, a top plate fixedly mounted on the top wall of the worktable, and a compression assembly that cooperates with the mold on the top plate. An installation ring is rotatably mounted on the mold. This design utilizes an auger. During the movement of the storage bin, a pusher block drives the auger to rotate via a first gear and a rotating rod, thereby causing the metal powder in the storage bin to circulate up and down. This ensures thorough mixing of the metal powder and prevents stratification. Simultaneously, through the cooperation of the pusher block's inclined surface and a first spring, when the electric pusher rod extends and moves the storage bin towards the mold, the pusher block does not drive the first gear to rotate, thus preventing the auger rotation from affecting the normal movement of the metal powder into the mold and improving product quality.

Description

Technical Field

[0001] This invention relates to the field of metal powder processing, and more specifically, to a powder metallurgy finishing machine. Background Technology

[0002] Powder metallurgy is a process technology that produces metal powders or uses metal powders (or mixtures of metal powders and non-metal powders) as raw materials, and manufactures metal materials, composite materials and various types of products through forming and sintering.

[0003] Forming typically involves pouring metal powder into the cavity of a mold, then using a hydraulic device to press the metal powder into shape, ultimately forming a bushing which is then removed from the mold. However, during the process of placing the metal powder into the mold, due to the inherent characteristics of the metal powder particles, there may be irregular or sharp particle shapes. These shapes reduce the flowability of the metal powder, especially at excessively high bulk densities, causing the metal powder particles to squeeze against each other. This further inhibits the flowability, not only reducing the efficiency of the metal powder flowing into the mold cavity but also causing uneven gaps between the metal powder particles in the mold cavity, resulting in uneven distribution. Consequently, the final bushing may have localized areas of low or high density, leading to inconsistencies in strength and performance.

[0004] To address the aforementioned issues, some solutions have been proposed in the prior art. For example, Chinese invention patent CN118650158B discloses a powder metallurgy bushing mold. This device, through the arrangement of multiple sets of ball bearings, can increase the vibration frequency of the storage box during movement. Under the vibration of the storage box, the flowability of the metal powder in the discharge cavity can be improved, and the metal powder can quickly fill the inner cavity of the mold cavity, thereby improving product quality. Although the prior art can improve product quality to a certain extent, the prior art will knock on the bottom wall of the storage box during the back-and-forth movement of the storage box, and the storage box will also be knocked during the reset process. Under prolonged knocking, the storage box is prone to excessive vibration. Since the metal powder in the storage box is generally a mixture, when the storage box vibrates excessively, the mixture of different densities in the storage box is prone to stratification, which will cause the metal powder flowing into the mold to have different densities. This will result in the final bushing having local low or high density, causing inconsistencies in strength and performance, and seriously affecting the finished quality of the metal powder. Summary of the Invention

[0005] In view of the problems existing in the prior art, the purpose of this invention is to provide a powder metallurgy finishing machine that can improve the quality of finished metal powder products.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A powder metallurgy finishing machine includes a worktable, a storage box slidably mounted on the worktable, a feeding trough on the storage box, a mold fixedly mounted on the worktable, a top plate fixedly mounted on the top wall of the worktable, a compression assembly that cooperates with the mold on the top plate, an installation ring rotatably mounted on the mold, a striking assembly for striking the mold on the installation ring, and a stirring assembly for stirring the mixture in the storage box.

[0008] The mixing assembly includes a rotating rod rotatably mounted on a storage tank, a first gear fixedly mounted on the rotating rod, a first mounting rod fixedly mounted on the bottom wall of the top plate, a push block cooperating with the first gear on the first mounting rod, a cylinder fixedly mounted on the inner wall of the storage tank, an auger cooperating with the cylinder fixedly mounted on the rotating rod, and an electric push rod whose output end is fixedly connected to the storage tank fixedly mounted on the top wall of the workbench.

[0009] Furthermore, a first groove is provided on the first mounting rod, a push block is slidably installed in the first groove, and a first spring is installed between the push block and the first groove, and the side wall of the push block is inclined.

[0010] Furthermore, the striking assembly includes horizontal grooves evenly spaced on the mounting ring, an impact rod slidably mounted in the horizontal groove, an impact groove cooperating with the impact rod on the mold, and the end of the impact rod near the impact groove is arc-shaped. A second spring is installed between the impact rod and the horizontal groove. A connecting groove is provided on the worktable, a second mounting rod fixedly connected to the storage box is slidably mounted in the connecting groove, a linkage block is provided on the second mounting rod, and a second gear cooperating with the linkage block is fixedly mounted on the mounting ring.

[0011] Furthermore, a vertical groove is provided on the top wall of the workbench, and an installation plate is slidably installed in the vertical groove. A third spring is installed between the bottom wall of the installation plate and the vertical groove. Elastic telescopic rods are uniformly fixedly installed on the top wall of the installation plate, and a vertical rod is fixedly installed on the bottom wall of the installation plate. The bottom wall of the vertical rod is inclined. Linkage rods that cooperate with the vertical rod are uniformly fixedly installed on the installation ring.

[0012] Furthermore, a second sliding groove is provided on the second mounting rod, and the linkage block slides in conjunction with the second sliding groove. A fourth spring is installed between the linkage block and the second sliding groove, and the side wall of the linkage block away from the fourth spring is an inclined surface.

[0013] Furthermore, a spring is installed between the mounting ring and the bottom wall of the worktable.

[0014] Furthermore, the compression assembly includes a hydraulic rod fixedly installed on the bottom wall of the top plate, a pressure block that cooperates with the mold is fixedly installed on the output end of the hydraulic rod, a disc is slidably installed inside the mold, and an electric telescopic rod whose output end is fixedly connected to the disc is fixedly installed on the bottom wall of the mold.

[0015] Furthermore, a limiting rod that cooperates with the storage box is fixedly installed on the top wall of the workbench.

[0016] Furthermore, the top wall of the elastic telescopic rod is rotatably fitted with ball bearings.

[0017] Furthermore, a stirring rod is fixedly installed on the rotating rod.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] (1) By setting up an auger, the push block drives the auger to rotate through the first gear and the rotating rod during the movement of the storage box, which can drive the metal powder in the storage box to circulate up and down, thereby making the metal powder fully mixed and avoiding stratification. At the same time, through the cooperation of the inclined surface of the push block and the first spring, when the output end of the electric push rod extends and drives the storage box to move towards the mold, the push block will not drive the first gear to rotate, thereby avoiding the auger rotation from affecting the normal movement of the metal powder into the mold, which plays a role in improving product quality.

[0020] (2) In this scheme, through the cooperation of the second gear and the linkage block, during the process of the storage box driving the installation ring to rotate through the second mounting rod, the linkage block and the second gear, the installation ring will drive the impact rod to strike the mold, thereby improving the density of the metal powder in the mold. In addition, during the rotation of the installation ring, it can drive the elastic telescopic rod to strike the storage box back and forth, thereby preventing the metal powder from getting stuck in the feeding groove and further improving the product quality.

[0021] (3) By setting a fourth spring, when the electric push rod drives the storage box to reset, the storage box drives the inclined surface of the linkage block to contact the second gear through the second mounting rod. Then, under the action of the second gear, the linkage block moves along the second slide groove and compresses the fourth spring. When the linkage block disengages from the second gear, the fourth spring drives the linkage block to reset. During the reset process of the storage box, the elastic telescopic rod will not knock the storage box, further avoiding the stratification of metal powder in the storage box and further improving the product quality. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a cross-sectional view of the workbench, mold, mounting ring, and mounting plate of the present invention;

[0024] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 This is a cross-sectional view of the storage box and cylinder of the present invention;

[0026] Figure 5 This is a cross-sectional view of the first mounting rod of the present invention;

[0027] Figure 6 This is a cross-sectional view of the second mounting rod of the present invention;

[0028] Figure 7 This is a bottom view of the present invention.

[0029] Explanation of the labels in the diagram:

[0030] 1. Workbench; 2. Storage bin; 3. Feed chute; 4. Mold; 5. Top plate; 6. Mounting ring;

[0031] 7. Stirring assembly; 701. Rotating rod; 702. First gear; 703. First mounting rod; 705. Cylinder; 706. Screwdriver; 707. Electric push rod; 708. Push block; 709. First spring;

[0032] 8. Striking assembly; 801. Impact rod; 802. Impact groove; 803. Second spring; 804. Connecting groove; 805. Second mounting rod; 806. Second gear;

[0033] 901. Mounting plate; 902. Third spring; 903. Elastic telescopic rod; 904. Vertical rod; 905. Linkage rod;

[0034] 101. Linkage block; 102. Fourth spring; 103. Clockwork;

[0035] 11. Compression assembly; 111. Hydraulic rod; 112. Pressure block; 113. Disc; 114. Electric telescopic rod;

[0036] 12. Limiting rod; 13. Ball bearing; 14. Stirring rod. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0038] Please see Figures 1 to 7A powder metallurgy finishing machine includes a worktable 1, a storage box 2 slidably mounted on the worktable 1, a feeding trough 3 on the storage box 2, a mold 4 fixedly mounted on the worktable 1, a top plate 5 fixedly mounted on the top wall of the worktable 1, a compression assembly 11 that cooperates with the mold 4 on the top plate 5, an installation ring 6 rotatably mounted on the mold 4, a striking assembly 8 for striking the mold 4 on the installation ring 6, and a stirring assembly 7 for stirring the mixture in the storage box 2.

[0039] The stirring assembly 7 includes a rotating rod 701 rotatably mounted on the storage tank 2, a first gear 702 fixedly mounted on the rotating rod 701, a first mounting rod 703 fixedly mounted on the bottom wall of the top plate 5, a push block 708 cooperating with the first gear 702 on the first mounting rod 703, a cylinder 705 fixedly mounted on the inner wall of the storage tank 2, an auger 706 cooperating with the cylinder 705 fixedly mounted on the rotating rod 701, and an electric push rod 707 whose output end is fixedly connected to the storage tank 2 fixedly mounted on the top wall of the workbench 1.

[0040] The first mounting rod 703 has a first sliding groove, and a push block 708 is slidably installed in the first sliding groove. A first spring 709 is installed between the push block 708 and the first sliding groove, and the side wall of the push block 708 is inclined.

[0041] In use, the output end of the electric push rod 707 extends and moves the storage tank 2. During the movement of the storage tank 2, the feeding trough 3 connects with the mold cavity on the mold 4. At this time, the metal powder in the storage tank 2 flows into the mold 4 through the feeding trough 3. Simultaneously, the striking component 8 strikes the storage tank 2 and the mold 4, ensuring that the metal powder can quickly fill the entire mold 4. After the mold 4 is filled with metal powder, the output end of the electric push rod 707 retracts and moves the storage tank 2 back to its original position. During the resetting process of the storage tank 2, the feeding trough 3 disengages from the mold 4. At this time, the user can use the compression component 11 to compress the metal powder in the mold 4. During compression, the first gear 702 moves via the rotating rod 701 while the storage bin 2 moves. During the movement of the first gear 702, the pusher block 708 applies a pushing force to the first gear 702, causing it to rotate. Then, during the rotation of the first gear 702, the rotating rod 701 drives the auger 706 to rotate. During the rotation of the auger 706, the lower layer of metal powder in the storage bin 2 moves upward through the cylinder 705, thereby mixing the metal powder in the storage bin 2 and effectively preventing the metal powder in the storage bin 2 from separating, thus improving product quality.

[0042] When the electric push rod 707 moves the storage box 2, the first gear 702 contacts the inclined surface of the push block 708 and applies a pushing force to the inclined surface of the push block 708. Then, under the action of the pushing force, the push block 708 moves along the first slide groove and compresses the first spring 709. After the push block 708 disengages from the first gear 702, the first spring 709 extends and drives the push block 708 to reset. When the electric push rod 707 retracts and drives the storage box 2 to reset, the first gear 702 contacts the side wall of the push block 708. Then, under the action of the reaction force of the side wall of the push block 708, the first gear 702 drives the rotating rod 701 to rotate. That is, when the electric push rod 707 drives the storage box 2 to add metal powder to the mold 4, the auger 706 will not rotate, thereby avoiding the rotation of the auger 706 from affecting the normal movement of the metal powder into the mold 4.

[0043] like Figure 2 , Figure 3 , Figure 6 As shown, the striking assembly 8 includes horizontal grooves evenly spaced on the mounting ring 6. An impact rod 801 is slidably installed in the horizontal groove. The mold 4 has an impact groove 802 that cooperates with the impact rod 801, and the end of the impact rod 801 near the impact groove 802 is arc-shaped. A second spring 803 is installed between the impact rod 801 and the horizontal groove. The worktable 1 has a connecting groove 804. A second mounting rod 805 that is fixedly connected to the storage box 2 is slidably installed in the connecting groove 804. A linkage block 101 is provided on the second mounting rod 805. A second gear 806 that cooperates with the linkage block 101 is fixedly installed on the mounting ring 6.

[0044] A vertical groove is provided on the top wall of the workbench 1. An installation plate 901 is slidably installed in the vertical groove. A third spring 902 is installed between the bottom wall of the installation plate 901 and the vertical groove. Elastic telescopic rods 903 are uniformly fixedly installed on the top wall of the installation plate 901. A vertical rod 904 is fixedly installed on the bottom wall of the installation plate 901, and the bottom wall of the vertical rod 904 is inclined. Linkage rods 905 that cooperate with the vertical rod 904 are uniformly fixedly installed on the installation ring 6.

[0045] By adopting the above technical solution, during the movement of the storage box 2, the second mounting rod 805 is driven to slide along the connecting groove 804. During the movement of the second mounting rod 805, the linkage block 101 is driven to move, and during the movement of the linkage block 101, the second gear 806 is driven to rotate. During the rotation of the second gear 806, the mounting ring 6 is driven to rotate, and during the rotation of the mounting ring 6, the impact rod 801 is driven to rotate. When the impact rod 801 contacts the impact groove 802, the second spring 803 extends and drives the impact rod 801 to insert into the impact groove 802. When the impact rod 801 gradually disengages from the impact groove 802, the impact groove 802 drives the impact rod 801 to slide along the horizontal groove and compress the second spring 803. That is, during the rotation of the mounting ring 6, the impact rod 801 moves back and forth and impacts the impact groove 802. Then, the impact force is transmitted to the mold 4 through the impact groove 802, thereby reducing the voids in the metal powder in the mold 4 and making the metal powder in the mold 4 more compact, further improving the product quality.

[0046] During the rotation of the mounting ring 6, the linkage rod 905 rotates, and gradually comes into contact with the inclined surface of the vertical rod 904, applying a pushing force to the inclined surface of the vertical rod 904. Under the action of the pushing force, the vertical rod 904 drives the mounting plate 901 to move upward. During the upward movement of the mounting plate 901, the elastic telescopic rod 903 is driven to impact the storage box 2. When the vertical rod 904 and the linkage rod 905 disengage, it ensures that the metal powder can quickly move into the mold 4 through the feeding groove 3, effectively preventing the metal powder from getting stuck in the feeding groove 3 and affecting the product quality.

[0047] like Figure 3 , Figure 6 As shown, a second sliding groove is provided on the second mounting rod 805, and the linkage block 101 is slidably engaged with the second sliding groove. A fourth spring 102 is installed between the linkage block 101 and the second sliding groove, and the side wall of the linkage block 101 away from the fourth spring 102 is an inclined surface.

[0048] A spring 103 is installed between the mounting ring 6 and the bottom wall of the workbench 1.

[0049] By adopting the above technical solution, during the process of the electric push rod 707 extending and driving the storage box 2 to move, the storage box 2 drives the side wall of the linkage rod 905 to contact the second gear 806 through the second mounting rod 805, and drives the second gear 806 to rotate. At this time, the spring 103 starts to store power. Then, when the storage box 2 reaches the maximum displacement, the second gear 806 disengages from the linkage block 101. At this time, the spring 103 drives the mounting ring 6 to reset. During the reset process of the mounting ring 6, the impact rod 801 can strike the mold 4, thereby further improving the density of the metal powder in the mold 4 and further improving the product quality.

[0050] When the electric push rod 707 drives the storage box 2 to reset, the storage box 2 drives the inclined surface of the linkage block 101 to contact the second gear 806 through the second mounting rod 805. Then, under the action of the second gear 806, the linkage block 101 moves along the second slide groove and compresses the fourth spring 102. When the linkage block 101 disengages from the second gear 806, the fourth spring 102 drives the linkage block to reset. During the reset process of the storage box 2, the elastic telescopic rod 903 will not knock on the storage box 2, further preventing the metal powder in the storage box 2 from separating, and further improving the product quality.

[0051] like Figure 1 , Figure 2 As shown, the compression assembly 11 includes a hydraulic rod 111 fixedly installed on the bottom wall of the top plate 5. A pressure block 112 that cooperates with the mold 4 is fixedly installed on the output end of the hydraulic rod 111. A disc 113 is slidably installed inside the mold 4. An electric telescopic rod 114 whose output end is fixedly connected to the disc 113 is fixedly installed on the bottom wall of the mold 4.

[0052] By adopting the above technical solution, after the metal powder fills the mold 4, the user can control the output end of the hydraulic rod 111 to extend and drive the pressure block 112 to move downward. As the disc 113 moves downward, it gradually enters the mold 4 and squeezes the metal powder inside the mold 4. When the metal powder inside the mold 4 is squeezed into shape, the output end of the hydraulic rod 111 retracts and drives the pressure block 112 to reset. Then, the user can control the output end of the electric telescopic rod 114 to extend and drive the shaped metal powder to move out of the mold 4, thus achieving the purpose of squeezing the metal powder into shape.

[0053] like Figure 1 As shown, a limiting rod 12 that cooperates with the storage box 2 is fixedly installed on the top wall of the workbench 1.

[0054] By adopting the above technical solution, during the process of the electric push rod 707 driving the storage box 2 to move, the maximum displacement of the storage box 2 can be limited by setting the limit rod 12. When the storage box 2 reaches the maximum displacement, the storage box 2 contacts the limit rod 12, which plays a role in improving the operational stability of the device.

[0055] like Figure 3 As shown, a ball bearing 13 is rotatably mounted on the top wall of the elastic telescopic rod 903.

[0056] By adopting the above technical solution, during the process of the mounting plate 901 driving the elastic telescopic rod 903 to move upward, the elastic telescopic rod 903 drives the ball bearing 13 to move upward and impact the storage box 2. Then, during the movement of the storage box 2, the ball bearing 13 can be driven to roll, thereby converting the sliding friction between the storage box 2 and the elastic telescopic rod 903 into the rolling friction between the storage box 2 and the ball bearing 13. This reduces the resistance during the movement of the storage box 2 and reduces the wear of the elastic telescopic rod 903, thus ensuring the normal operation of the device.

[0057] like Figure 4 As shown, a stirring rod 14 is fixedly installed on the rotating rod 701.

[0058] By adopting the above technical solution, the rotating rod 701 can drive the stirring rod 14 to rotate during the rotation process, and the metal powder in the storage box 2 can be stirred again during the rotation of the stirring rod 14, thereby further improving the mixing effect of the metal powder and further improving the product quality.

[0059] Instructions for use: When in use, the output end of the electric push rod 707 first extends and drives the storage box 2 to move. During the movement of the storage box 2, the feeding trough 3 is connected to the mold cavity on the mold 4. At this time, the metal powder in the storage box 2 flows into the mold 4 through the feeding trough 3. At the same time, the striking component 8 will strike the storage box 2 and the mold 4, thereby ensuring that the metal powder can quickly fill the entire mold 4. After the mold 4 is filled with metal powder, the output end of the electric push rod 707 retracts and drives the storage box 2 to reset. During the reset of the storage box 2, the feeding trough 3 is disengaged from the mold 4. At this time, the user can compress the metal powder in the mold 4 through the compression component 11. Meanwhile, during the movement of the storage box 2, the push block 708 drives the auger 706 to rotate through the first gear 702 and the rotating rod 701. Then, during the rotation of the auger 706, the lower layer of metal powder in the storage box 2 can be moved to the upper layer through the cylinder 705, thereby mixing the metal powder in the storage box 2.

[0060] During the movement of the storage bin 2, the second mounting rod 805 slides along the connecting groove 804. During the movement of the second mounting rod 805, the mounting ring 6 rotates through the linkage block 101 and the second gear 806. During the rotation of the mounting ring 6, the impact rod 801 impacts the mold 4 back and forth, thereby reducing the voids in the metal powder inside the mold 4 and making the metal powder inside the mold 4 more compact. At the same time, during the rotation of the mounting ring 6, the mounting plate 901 moves up and down reciprocally through the linkage rod 905 and the vertical rod 904. During the up and down reciprocating motion of the mounting plate 901, the elastic telescopic rod 903 impacts the storage bin 2 upwards.

[0061] Furthermore, during the extension of the electric push rod 707 and the movement of the storage box 2, the storage box 2, through the second mounting rod 805, causes the side wall of the linkage rod 905 to contact the second gear 806, and drives the second gear 806 to rotate. At this time, the spring 103 begins to store power. Then, when the storage box 2 reaches its maximum displacement, the second gear 806 disengages from the linkage block 101. At this time, the spring 103 drives the mounting ring 6 to reset. During the reset process of the mounting ring 6, the impact rod 801 can strike the mold 4, thereby further improving the density of the metal powder in the mold 4.

[0062] Finally, when the electric push rod 707 drives the storage box 2 to reset, the storage box 2 drives the inclined surface of the linkage block 101 to contact the second gear 806 through the second mounting rod 805. Then, under the action of the second gear 806, the linkage block 101 moves along the second slide groove and compresses the fourth spring 102. When the linkage block 101 disengages from the second gear 806, the fourth spring 102 drives the linkage block to reset. During the reset process of the storage box 2, the elastic telescopic rod 903 will not knock on the storage box 2, further preventing the metal powder in the storage box 2 from stratifying.

[0063] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concepts, should be covered within the scope of protection of the present invention.

Claims

1. A powder metallurgical finishing machine comprising a worktable (1), characterized in that: A storage box (2) is slidably installed on the workbench (1). A feeding groove (3) is provided on the storage box (2). A mold (4) is fixedly installed on the workbench (1). A top plate (5) is fixedly installed on the top wall of the workbench (1). A compression component (11) that cooperates with the mold (4) is provided on the top plate (5). An installation ring (6) is rotatably installed on the mold (4). A striking component (8) for striking the mold (4) is provided on the installation ring (6). A stirring component (7) for stirring the mixture in the storage box (2) is provided on the storage box (2). The stirring assembly (7) includes a rotating rod (701) rotatably mounted on the storage tank (2), a first gear (702) fixedly mounted on the rotating rod (701), a first mounting rod (703) fixedly mounted on the bottom wall of the top plate (5), a push block (708) cooperating with the first gear (702) on the first mounting rod (703), a cylinder (705) fixedly mounted on the inner wall of the storage tank (2), an auger (706) cooperating with the cylinder (705) fixedly mounted on the rotating rod (701), and an electric push rod (707) whose output end is fixedly connected to the storage tank (2) fixedly mounted on the top wall of the workbench (1). The first mounting rod (703) has a first sliding groove, and a push block (708) is slidably installed in the first sliding groove. A first spring (709) is installed between the push block (708) and the first sliding groove. The side wall of the push block (708) is inclined. The striking assembly (8) includes horizontal grooves evenly spaced on the mounting ring (6), an impact rod (801) is slidably mounted in the horizontal groove, an impact groove (802) is provided on the mold (4) to cooperate with the impact rod (801), and the end of the impact rod (801) near the impact groove (802) is arc-shaped. A second spring (803) is installed between the impact rod (801) and the horizontal groove. A connecting groove (804) is provided on the worktable (1), a second mounting rod (805) fixedly connected to the storage box (2) is slidably mounted in the connecting groove (804), a linkage block (101) is provided on the second mounting rod (805), and a second gear (806) cooperating with the linkage block (101) is fixedly mounted on the mounting ring (6). A vertical groove is provided on the top wall of the workbench (1), and an installation plate (901) is slidably installed in the vertical groove. A third spring (902) is installed between the bottom wall of the installation plate (901) and the vertical groove. An elastic telescopic rod (903) is uniformly fixedly installed on the top wall of the installation plate (901). A vertical rod (904) is fixedly installed on the bottom wall of the installation plate (901), and the bottom wall of the vertical rod (904) is inclined. A linkage rod (905) that cooperates with the vertical rod (904) is uniformly fixedly installed on the installation ring (6). The second mounting rod (805) has a second sliding groove, and the linkage block (101) slides with the second sliding groove. A fourth spring (102) is installed between the linkage block (101) and the second sliding groove, and the side wall of the linkage block (101) away from the fourth spring (102) is an inclined surface. A spring (103) is installed between the mounting ring (6) and the bottom wall of the worktable (1).

2. The powder metallurgy finishing machine according to claim 1, characterized in that: The compression assembly (11) includes a hydraulic rod (111) fixedly installed on the bottom wall of the top plate (5). A pressure block (112) that cooperates with the mold (4) is fixedly installed on the output end of the hydraulic rod (111). A disc (113) is slidably installed inside the mold (4). An electric telescopic rod (114) whose output end is fixedly connected to the disc (113) is fixedly installed on the bottom wall of the mold (4).

3. The powder metallurgy finishing machine according to claim 1, characterized in that: A limiting rod (12) that cooperates with the storage box (2) is fixedly installed on the top wall of the workbench (1).

4. The powder metallurgy finishing machine according to claim 1, characterized in that: The top wall of the elastic telescopic rod (903) is rotatably fitted with ball bearings (13).

5. A powder metallurgy finishing machine according to claim 1, characterized in that: A stirring rod (14) is fixedly installed on the rotating rod (701).

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