Efficient tungsten-cobalt alloy powder filling device

Abstract

The utility model discloses an efficient tungsten-cobalt alloy powder filling device which comprises a filling bin, a baffle is rotationally connected to the interior of the filling bin, and an elastic rotating assembly is arranged between the baffle and the filling bin. Tungsten-cobalt alloy powder needing to be filled is placed above the baffle inside the filling bin through the feeding pipe, the jacking block is lifted in a reciprocating mode through the reciprocating lifting assembly, when the jacking block ascends, the baffle is jacked up, the other end of the baffle rotates downwards, and the tungsten-cobalt alloy powder is filled. Part of the tungsten-cobalt alloy powder falls above the flow guide plate through the gap between the baffle and the inner wall of the filling bin, the discharging groove is exposed in the upward moving process of the lower blocking plate, the tungsten-cobalt alloy powder enters the discharging groove through the flow guide plate, discharging is conducted through the discharging groove, and the discharging effect is good. And in the downward moving process of the ejector block, the lower portion of the blocking plate is inserted into the discharging groove, powder blocked in the discharging groove can be dredged, and the situation that follow-up discharging is affected by blocking of the tungsten-cobalt alloy powder is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of metal powder filling, in particular to a high-efficiency filling device for tungsten-cobalt alloy powder. Background Art

[0002] Tungsten-cobalt alloy powder is a composite material composed of tungsten and cobalt metal powders mixed in a certain proportion, and is known for its excellent hardness, wear resistance and high-temperature performance. Its basic characteristics include high melting point, low thermal expansion coefficient and good corrosion resistance, which make tungsten-cobalt alloy powder have broad application prospects in many industrial fields.

[0003] The process of filling a mold with tungsten-cobalt alloy powder using a metal powder filling device is an important part of advanced powder metallurgy technology. This process uses precise automation devices to evenly and efficiently fill the mold cavity with tungsten-cobalt alloy powder to achieve the manufacture of complex-shaped and high-precision components.

[0004] During the specific filling process, first, the tungsten-cobalt alloy powder is fed into the filling device through a feeding system, and auxiliary means such as vibration or air flow are used to enhance the fluidity and dispersibility of the powder. Subsequently, the filling device precisely controls the filling amount and distribution of the powder according to a preset program to ensure that the mold cavity is evenly filled without voids. After filling, the mold enters the pressing and sintering stages, and through high-temperature and high-pressure treatment, metallurgical bonding occurs between the powder particles to form a dense alloy component.

[0005] Patent document CN213052738U discloses an efficient filling device for alloy powder, including a wire winding cylinder and a compression nut. Limiting blocks are fixedly connected to both the left and right sides of the wire winding cylinder, and a powder adding hopper is arranged above the limiting blocks. An installation screw is threadedly connected inside the compression nut, and the compression nut is located above the wire winding cylinder. A stainless steel pipe is arranged on the outer wall of the wire winding cylinder, and an electromagnetic feeding vibrator is arranged below the wire winding cylinder. A threaded hole is arranged inside the electromagnetic feeding vibrator. Compared with the existing ordinary alloy powder filling devices, this efficient filling device for alloy powder has a relatively simple structure during use, low maintenance cost and manufacturing cost, is not easily blocked by the filled material during the filling process, is relatively convenient to dredge, has high filling efficiency, and reduces the labor intensity of users, and can well meet people's usage requirements.

[0006] In the prior art of the above patent, during the process of filling alloy powder by the filling device, the problem of alloy powder blockage is particularly prominent, affecting the filling efficiency and product quality. To solve this problem, the above device attempts to use electromagnetic vibration technology, but it is found in actual application that the electromagnetic field has an adsorption effect on the alloy powder, not only not alleviating the blockage, but exacerbating the problem. Summary of the Utility Model

[0007] The utility model aims to provide a tungsten-cobalt alloy powder efficient filling device to solve the above-mentioned deficiencies in the prior art.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency filling device for tungsten-cobalt alloy powder, comprising a filling bin, the interior of the filling bin is rotatably connected with a baffle, an elastic rotating component is arranged between the baffle and the filling bin, a top block is arranged below the two baffles, the two ends of the top of the top block are respectively arranged at one end of the two baffles, the other ends of the two baffles are close to the inner wall of the filling bin, a feeding chute is opened at the bottom end of the filling bin, a sealing plate is fixedly connected to the bottom end of the top block, the sealing plate is slidably connected to the feeding chute, two guide plates are fixedly installed inside the filling bin, and a reciprocating lifting component is arranged between the top block and the filling bin.

[0009] As a further description of the above technical solution: the reciprocating lifting assembly includes a through slot, which is opened at the top of the filling bin, and a double-sided rack is slidably installed inside the through slot. Two support plates are fixedly installed on the top of the filling bin, and rotating shafts are rotatably installed on the side walls of the two support plates. Half gears are fixedly installed on the rotating shafts, and the two half gears are respectively meshed with the double-sided racks, and the bottom end of the double-sided rack is fixedly connected to the top block.

[0010] As a further description of the above technical solution: a motor is fixedly installed on the side wall of one of the support plates, the output end of the motor is transmission connected to the rotating shaft, pulleys are fixedly installed on both of the rotating shafts, and a transmission belt is transmission connected between the two pulleys.

[0011] As a further description of the above technical solution: the elastic rotation assembly includes two rotating rods, the two rotating rods are rotatably installed on the inner wall of the filling bin, both ends of the two rotating rods are respectively sleeved with sleeves, the sleeves are fixedly installed on the side wall of the filling bin, and torsion springs are arranged inside the two sleeves, the two ends of the two torsion springs are respectively fixedly connected to the sleeves and the rotating rods, and the rotating rods are fixedly connected to the baffle.

[0012] As a further description of the above technical solution: a fixed plate is fixedly installed at the top of the filling bin, a slide plate is slidably installed inside the fixed plate, a spring is elastically connected between the slide plate and the fixed plate, and the bottom end of the slide plate is fixedly connected to the top of the top block.

[0013] As a further description of the above technical solution: a feeding pipe is fixedly installed on the top of the filling bin, and the feeding pipe is connected with the interior of the filling bin.

[0014] The utility model provides an efficient filling device for tungsten-cobalt alloy powder, which has the following beneficial effects: The tungsten-cobalt alloy powder to be filled is put above the inner baffle of the filling bin through the feeding pipe. The reciprocating lifting component reciprocates the lifting of the top block. When the top block rises, it jacks up the baffle, and the other end of the baffle rotates downward. Part of the tungsten-cobalt alloy powder falls above the diversion plate through the gap between the baffle and the inner wall of the filling bin. During the upward movement of the lower plugging plate, the blanking groove is exposed, and the tungsten-cobalt alloy powder enters the blanking groove through the diversion plate and is discharged through the blanking groove. When the top block moves downward, the lower part of the plugging plate is inserted into the blanking groove, which can dredge the powder blocked in the blanking groove and prevent the subsequent blanking from being affected due to the blockage of the tungsten-cobalt alloy powder.

[0015] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to limit the present disclosure.

[0016] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an efficient filling device for tungsten-cobalt alloy powder proposed by the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure from another perspective of the utility model;

[0019] Figure 3 It is a schematic sectional structure diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure inside the filling bin of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional exploded structure of the elastic rotation component of the utility model.

[0022] LEGEND DESCRIPTION:

[0023] 1. Filling bin; 2. Feeding pipe; 3. Through groove; 4. Double-sided rack; 5. Support plate; 6. Motor; 7. Half gear; 8. Rotating shaft; 9. Pulley; 10. Transmission belt; 11. Top block; 12. Plugging plate; 13. Blanking groove; 14. Diversion plate; 15. Baffle; 16. Fixed plate; 17. Slide plate; 18. Spring; 19. Rotating rod; 20. Sleeve; 21. Torsion spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0025] Referring to Figures 1-5 , a high-efficiency filling device for tungsten-cobalt alloy powder, including a filling bin 1. A baffle 15 is rotatably connected inside the filling bin 1. An elastic rotating assembly is arranged between the baffle 15 and the filling bin 1. A top block 11 is arranged below the two baffles 15. Both ends of the top of the top block 11 are respectively arranged at one end of the two baffles 15. The other ends of the two baffles 15 are closely attached to the inner side wall of the filling bin 1. A blanking groove 13 is opened at the bottom end of the filling bin 1. A plugging plate 12 is fixedly connected to the bottom end of the top block 11. The plugging plate 12 is slidably connected to the blanking groove 13. Two guiding plates 14 are fixedly installed inside the filling bin 1. A reciprocating lifting assembly is arranged between the top block 11 and the filling bin 1; the tungsten-cobalt alloy powder to be filled is put into the filling bin 1 above the baffle 15 through the feeding pipe 2. The top block 11 is reciprocally lifted and lowered through the reciprocating lifting assembly. When the top block 11 rises, the baffle 15 is lifted. The other end of the baffle 15 rotates downward. Part of the tungsten-cobalt alloy powder falls onto the upper part of the guiding plate 14 through the gap between the baffle 15 and the inner wall of the filling bin 1. During the upward movement of the plugging plate 12 below, the blanking groove 13 is exposed. The tungsten-cobalt alloy powder enters the blanking groove 13 through the guiding plate 14 and is discharged through the blanking groove 13. When the top block 11 moves downward, the lower part of the plugging plate 12 is inserted into the blanking groove 13, which can dredge the powder blocked inside the blanking groove 13 and prevent the subsequent blanking from being affected due to the blockage of the tungsten-cobalt alloy powder.

[0026] As a preferred technical solution of this embodiment, the reciprocating lifting assembly includes a through groove 3. The through groove 3 is opened at the top end of the filling bin 1. A double-sided rack 4 is slidably installed inside the through groove 3. Two support plates 5 are fixedly installed at the top end of the filling bin 1. Rotating shafts 8 are respectively rotatably installed on the side walls of the two support plates 5. A semi-gear 7 is fixedly installed on the rotating shaft 8. The two semi-gears 7 are respectively meshed with the double-sided rack 4. The bottom end of the double-sided rack 4 is fixedly connected to the top block 11; during the rotation of the two semi-gears 7, they are meshed with the middle double-sided rack 4, realizing the reciprocating movement of the middle double-sided rack 4, and further realizing the up and down reciprocating movement of the top block 11.

[0027] As a preferred technical solution of this embodiment, a motor 6 is fixedly installed on the side wall of one of the support plates 5. The output end of the motor 6 is in transmission connection with a rotating shaft 8. Pulley wheels 9 are fixedly installed on both of the rotating shafts 8. A transmission belt 10 is in transmission connection between the two pulley wheels 9. The motor 6 drives one of the rotating shafts 8 to rotate. Under the action of the pulley wheels 9 and the transmission belt 10, the two rotating shafts 8 can rotate simultaneously and synchronously, and further realize the simultaneous rotation of the two half gears 7 driven by one motor 6.

[0028] As a preferred technical solution of this embodiment, the elastic rotating assembly includes two rotating rods 19. The two rotating rods 19 are rotatably installed on the inner wall of the filling bin 1. Sleeve tubes 20 are sleeved at both ends of the two rotating rods 19 respectively. The sleeve tubes 20 are fixedly installed on the side wall of the filling bin 1. Torsion springs 21 are arranged inside both of the sleeve tubes 20. Both ends of the two torsion springs 21 are fixedly connected to the sleeve tubes 20 and the rotating rods 19 respectively. The rotating rods 19 are fixedly connected to the baffle 15. The torsion spring 21 can provide a restoring rotational force for the rotating rod 19. When the double-sided rack 4 moves downward, the baffle 15 can be reset under the rotational force of the torsion spring 21 on the rotating rod 19 to re-block the tungsten-cobalt alloy powder.

[0029] As a preferred technical solution of this embodiment, a fixing plate 16 is fixedly installed at the top end inside the filling bin 1. A sliding plate 17 is slidably installed inside the fixing plate 16. A spring 18 is elastically connected between the sliding plate 17 and the fixing plate 16. The bottom end of the sliding plate 17 is fixedly connected to the top end of the top block 11. In order to prevent the tungsten-cobalt alloy powder from flying out of the filling bin 1 through the through groove 3, the sliding plate 17 and the fixing plate 16 can block the tungsten-cobalt alloy powder to prevent the powder from flying out.

[0030] As a preferred technical solution of this embodiment, a feeding pipe 2 is fixedly installed at the top end of the filling bin 1. The feeding pipe 2 is communicated with the inside of the filling bin 1. The tungsten-cobalt alloy powder inside the filling bin 1 can be added through the feeding pipe 2.

[0031] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A highly efficient filling device for tungsten-cobalt alloy powder, comprising a filling bin (1), characterized in that: The filling bin (1) is internally rotatably connected with a baffle plate (15), an elastic rotating assembly is arranged between the baffle plate (15) and the filling bin (1), a top block (11) is arranged below the two baffle plates (15), the two ends of the top end of the top block (11) are respectively arranged at one end of the two baffle plates (15), and the other ends of the two baffle plates (15) are closely attached to the inner wall of the filling bin (1), a material discharge chute (13) is opened at the bottom end of the filling bin (1), a sealing plate (12) is fixedly connected to the bottom end of the top block (11), and the sealing plate (12) is slidably connected to the material discharge chute (13), two guide plates (14) are fixedly installed inside the filling bin (1), and a reciprocating lifting assembly is arranged between the top block (11) and the filling bin (1).

2. The tungsten-cobalt alloy powder efficient filling device according to claim 1 is characterized in that: The reciprocating lifting assembly comprises a through slot (3), the through slot (3) being opened at the top of the filling bin (1), a double-sided rack (4) being slidably mounted inside the through slot (3), two support plates (5) being fixedly mounted at the top of the filling bin (1), a rotating shaft (8) being rotatably mounted on the side walls of the two support plates (5), a half gear (7) being fixedly mounted on the rotating shaft (8), the two half gears (7) being respectively meshed with the double-sided rack (4), and the bottom end of the double-sided rack (4) being fixedly connected to the top block (11).

3. The tungsten-cobalt alloy powder efficient filling device according to claim 2, characterized in that: A motor (6) is fixedly mounted on the side wall of one of the support plates (5); the output end of the motor (6) is transmission-connected to a rotating shaft (8); pulleys (9) are fixedly mounted on both rotating shafts (8); and a transmission belt (10) is transmission-connected between the two pulleys (9).

4. The tungsten-cobalt alloy powder efficient filling device according to claim 1, characterized in that: The elastic rotating assembly comprises two rotating rods (19), the two rotating rods (19) are rotatably mounted on the inner wall of the filling bin (1), sleeves (20) are respectively sleeved at both ends of the two rotating rods (19), the sleeves (20) are fixedly mounted on the side wall of the filling bin (1), torsion springs (21) are arranged inside the two sleeves (20), the two ends of the two torsion springs (21) are respectively fixedly connected to the sleeves (20) and the rotating rods (19), and the rotating rods (19) are fixedly connected to the baffle (15).

5. The tungsten-cobalt alloy powder efficient filling device according to claim 1, characterized in that: A fixing plate (16) is fixedly installed at the top end of the filling bin (1), a sliding plate (17) is slidably installed inside the fixing plate (16), a spring (18) is elastically connected between the sliding plate (17) and the fixing plate (16), and the bottom end of the sliding plate (17) is fixedly connected to the top end of the top block (11).

6. The device for efficiently filling tungsten-cobalt alloy powder according to claim 1, characterized in that: A feeding pipe (2) is fixedly mounted on the top of the filling bin (1), and the feeding pipe (2) is connected to the interior of the filling bin (1).

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