Powder metallurgy feeding device

Abstract

The utility model relates to the technical field of powder metallurgy auxiliary equipment, in particular to a powder metallurgy feeding device which is used for feeding materials to a pressing groove of a pressing machine workbench and comprises a transfer cylinder, a second blocking plate and a supporting shaft, and the transfer cylinder is provided with a channel with through holes in the upper portion and the lower portion. The second blocking plate can block or open a lower opening of the channel, the transfer cylinder is rotationally connected with the supporting shaft through a first rod, the second blocking plate is rotationally connected with the supporting shaft through a second rod, and the pressure applying groove is located on the rotating radius of the transfer cylinder and the second blocking plate. When the device is used, the transfer cylinder and the second blocking plate rotate around the supporting shaft to the periphery of the pressure applying groove, it is ensured that the position of a worker cannot be damaged when the press is pressed down by mistake, and due to the fact that feeding and discharging are conducted on the transfer cylinder, the worker cannot be located below a pressure head, and the worker is safer during working.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy auxiliary equipment, in particular to a powder metallurgy feeding device. Background Art

[0002] Powder metallurgy involves turning raw metal into powder, such as by mechanical pulverization, atomization, or electrolysis. The mixed powder is then placed in a mold and pressure is applied to form it into a compact. The compacted powder is then heated at high temperatures, but usually below melting point, to increase the bonding between the powder particles, thereby increasing their strength and density. During sintering, the powder particles diffuse and bond together to form a solid material.

[0003] In related technologies, workers are generally required to load powdered raw materials into the pressure groove of the press in batches. When filling the raw materials, part of the worker's body will be located directly under the pressing head of the press. If there is a problem with the press, causing the worker to apply downward pressure during the process of filling the raw materials, it will cause irreparable damage to the worker. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that workers have greater risks when filling raw materials into a powder metallurgy press, and proposes a powder metallurgy feeding device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A powder metallurgy feeding device is used to feed material to the pressure groove of a press worktable. The feeding device includes a transfer cylinder, a second sealing plate, and a support shaft. The transfer cylinder has a channel with through holes on the upper and lower sides. The second sealing plate can block or open the lower mouth of the channel. The transfer cylinder is rotatably connected to the support shaft through a first rod. The second sealing plate is rotatably connected to the support shaft through a second rod. The pressure groove is located on the rotation radius of the transfer cylinder and the second sealing plate.

[0007] The first rod includes a first rod portion, a first rotating cylinder, and a third rod portion that are fixed or integrally formed. The first rotating cylinder is located between the first rod portion and the third rod portion. The first rotating cylinder is rotatably connected to the support shaft, and the end of the first rod portion is fixed to the transfer cylinder.

[0008] The second rod includes a second rod portion, a fourth rod portion, and a second rotating cylinder that are fixed or integrally formed. The second rotating cylinder is located between the second rod portion and the fourth rod portion. The second rotating cylinder is rotatably connected to the support shaft. The end of the second rod portion is fixed to the second blocking plate.

[0009] The feeding device includes a metal powder hopper, the discharge port of the metal powder hopper is located on the rotation radius of the transfer cylinder and the second sealing plate, and the discharge port of the metal powder hopper is provided with a switch component, which can open or close the discharge port of the metal powder hopper.

[0010] The switch assembly includes a first sealing plate capable of sealing or opening the discharge port of the metal powder hopper, a connecting plate being fixedly connected to one side of the first sealing plate, a horizontally arranged guide rod being fixedly connected to the metal powder hopper, the connecting plate being slidably connected to the guide rod, and the guide rod passing through the connecting plate, a tension spring being connected between the connecting plate and the metal powder hopper, and when the transfer cylinder rotates around the support shaft, it can push the first sealing plate to move along the guide rod to open the discharge port of the metal powder hopper.

[0011] The utility model proposes a powder metallurgy feeding device, which has the beneficial effect that: when the device is used, the transfer cylinder and the second sealing plate are rotated around the support shaft to the periphery of the pressure groove, ensuring that the position of the workers will not be harmed when the press accidentally presses down. Since the materials are loaded into the transfer cylinder and discharged from the transfer cylinder, the workers will not be located under the pressure head, so that the workers are safer when working. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic structural diagram of the state of the transfer cylinder and the second sealing plate of the utility model when they are running back and forth between the pressure groove and the metal powder hopper.

[0014] In the figure: metal powder hopper 1, first sealing plate 2, connecting plate 3, guide rod 4, tension spring 5, transfer cylinder 6, second sealing plate 7, first rod 8, second rod 9, support shaft 10, first rotating cylinder 11, third rod 12, fourth rod 13, second rotating cylinder 14, press worktable 15, pressure groove 16, channel 17, first rod 18, second rod 19. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] Reference Figure 1-Figure 2A powder metallurgy feeding device is used to feed the pressure groove 16 of the press worktable 15. The feeding device includes a transfer cylinder 6, a second sealing plate 7, and a support shaft 10. The transfer cylinder 6 has a channel 17 with through holes on the upper and lower sides. The second sealing plate 7 can block or open the lower mouth of the channel 17. The transfer cylinder 6 is rotatably connected to the support shaft 10 through a first rod 18, and the second sealing plate 7 is rotatably connected to the support shaft 10 through a second rod 19. The pressure groove 16 is located on the rotation radius of the transfer cylinder 6 and the second sealing plate 7.

[0017] When this device is in use, the transfer cylinder 6 and the second sealing plate 7 are rotated around the support shaft 10 to the periphery of the pressure groove 16 to ensure that the worker's position will not be damaged when the press accidentally presses down, and then the second sealing plate 7 is overlapped with the open bottom of the transfer cylinder 6 to close the lower end of the channel 17 of the transfer cylinder 6. Then the worker fills the metal powder raw material into the channel 17, and then rotates the transfer cylinder 6 and the second sealing plate 7 in the opposite direction to just above the pressure groove 16, and then rotates the second rod 19 to make the second sealing plate 7 offset from the lower end of the transfer cylinder 6, and the raw material falls into the pressure groove 16. Repeating the above steps can cycle the loading work. Since the transfer cylinder 6 is loaded and discharged, the workers will not be under the pressure head, so that the workers are safer when working.

[0018] As an embodiment of rotation, the first rod 18 includes a first rod portion 8, a first rotating cylinder 11, and a third rod portion 12 that are fixed or integrally formed. The first rotating cylinder 11 is located between the first rod portion 8 and the third rod portion 12. The first rotating cylinder 11 is rotatably connected to the support shaft 10, and the end of the first rod portion 8 is fixed to the transfer cylinder 6; the second rod 19 includes a second rod portion 9, a fourth rod portion 13, and a second rotating cylinder 14 that are fixed or integrally formed. The second rotating cylinder 14 is located between the second rod portion 9 and the fourth rod portion 13. The second rotating cylinder 14 is rotatably connected to the support shaft 10, and the end of the second rod portion 9 is fixed to the second sealing plate 7.

[0019] The worker holds the third rod 12 and the fourth rod 13 to control the movement of the transfer cylinder 6 and the second blocking plate 7. The structure is simple, easy to manufacture, and not easy to damage.

[0020] The feeding device includes a metal powder hopper 1, the discharge port of the metal powder hopper 1 is located on the rotation radius of the transfer cylinder 6 and the second sealing plate 7, and the discharge port of the metal powder hopper 1 is provided with a switch component, which can open or close the discharge port of the metal powder hopper 1.

[0021] The metal powder hopper 1 stores a certain amount of metal powder. When the transfer cylinder 6 and the second sealing plate 7 move to below the discharge port of the metal powder hopper 1 , the switch assembly opens to release the metal powder into the transfer cylinder 6 .

[0022] As an embodiment of the switch assembly, the switch assembly includes a first sealing plate 2 that can seal or open the discharge port of the metal powder hopper 1. A connecting plate 3 is fixed to one side of the first sealing plate 2. The metal powder hopper 1 is fixed to a horizontally arranged guide rod 4. The connecting plate 3 is slidably connected to the guide rod 4, and the guide rod 4 passes through the connecting plate 3. A tension spring 5 is connected between the connecting plate 3 and the metal powder hopper 1. When the transfer cylinder 6 rotates around the support shaft 10, it can push the first sealing plate 2 to move along the guide rod 4 to open the discharge port of the metal powder hopper 1. In order to reduce the force to open the first sealing plate 2, the guide rod 4 is arranged tangentially along the rotation radius of the transfer cylinder 6, so that the component force that hits the first sealing plate 2 can better push the first sealing plate 2 to move backward.

[0023] refer to Figure 1 、 Figure 2 When the first rod 18 and the second rod 19 are held to rotate the transfer cylinder 6 and the second sealing plate 7 clockwise, the transfer cylinder 6 hits the first sealing plate 2, causing the first sealing plate 2 to move backward along the guide rod 4. The first sealing plate 2 is offset from the discharge port of the metal powder hopper 1, and the metal powder falls into the transfer cylinder 6. When the transfer cylinder 6 is away from the first sealing plate 2, the tension spring 5 pulls the connecting plate 3 to make the first sealing plate 2 re-close the discharge port of the metal powder hopper 1. The structure is simple and easy to open and close.

[0024] The above is only a preferred specific implementation method of the present invention, but the scope of protection of the present invention is not limited to this. Any technical solution, conception, and design obtained by equivalent replacement or modification of the technical solution and utility model concept of the present invention by any technical personnel familiar with the technical field within the technical scope disclosed by the present invention should be covered by the scope of protection of the present invention.

Claims

1. A powder metallurgy feeding device for feeding material into a pressure groove (16) of a press workbench (15), characterized in that: The feeding device includes a transfer cylinder (6), a second sealing plate (7), and a support shaft (10). The transfer cylinder (6) has a channel (17) with through holes at the top and bottom. The second sealing plate (7) can block or open the lower opening of the channel (17). The transfer cylinder (6) is rotatably connected to the support shaft (10) through a first rod (18). The second sealing plate (7) is rotatably connected to the support shaft (10) through a second rod (19). The pressure groove (16) is located on the rotation radius of the transfer cylinder (6) and the second sealing plate (7).

2. A powder metallurgy feeding device according to claim 1, characterized in that: The first rod (18) comprises a first rod portion (8) that is fixed or integrally formed, a first rotating cylinder (11), and a third rod portion (12); the first rotating cylinder (11) is located between the first rod portion (8) and the third rod portion (12); the first rotating cylinder (11) is rotatably connected to the support shaft (10); and the end of the first rod portion (8) is fixed to the transfer cylinder (6).

3. A powder metallurgy feeding device according to claim 1 or 2, characterized in that: The second rod (19) comprises a second rod portion (9) fixed or integrally formed, a fourth rod portion (13), and a second rotating cylinder (14); the second rotating cylinder (14) is located between the second rod portion (9) and the fourth rod portion (13); the second rotating cylinder (14) is rotatably connected to the support shaft (10); and the end of the second rod portion (9) is fixed to the second blocking plate (7).

4. A powder metallurgy feeding device according to claim 3, characterized in that: The feeding device comprises a metal powder hopper (1), the discharge port of the metal powder hopper (1) is located on the rotation radius of the transfer cylinder (6) and the second sealing plate (7), and the discharge port of the metal powder hopper (1) is provided with a switch component, and the switch component can open or close the discharge port of the metal powder hopper (1).

5. The powder metallurgy feeding device according to claim 4, characterized in that: The switch assembly includes a first blocking plate (2) capable of blocking or opening the discharge port of the metal powder hopper (1); a connecting plate (3) is fixedly connected to one side of the first blocking plate (2); the metal powder hopper (1) is fixedly connected to a horizontally arranged guide rod (4); the connecting plate (3) is slidably connected to the guide rod (4), and the guide rod (4) passes through the connecting plate (3); a tension spring (5) is connected between the connecting plate (3) and the metal powder hopper (1); when the transfer cylinder (6) rotates around the support shaft (10), it can push the first blocking plate (2) to move along the guide rod (4) to open the discharge port of the metal powder hopper (1).

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