Metal powder metallurgy mixing device
By designing a metal powder metallurgy mixing device with a feeding component and a stirring component, the problems of uneven mixing and feed pipe clogging are solved, multi-stage stirring of metal powder and anti-clogging of the feed pipe are achieved, and production quality is improved.
Patent Information
- Application Number
- CN202422437897.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-10-10
AI Technical Summary
In existing mixing devices, metal powder and other auxiliary materials are not mixed evenly, and the feed pipe is easily blocked, which affects production quality.
A metal powder metallurgy mixing device is designed, which includes a feeding assembly, a vertical stirring assembly and a horizontal stirring assembly. Through the feed adjustment mechanism, crushing knife, stirring blades and scrapers, multi-stage stirring of metal powder and intermittent discharge of the feed pipe are achieved to prevent blockage.
It achieves uniform mixing of metal powders, prevents clogging of the feed pipe, and improves the quality of powder metallurgy production.
Smart Images
Figure CN223351573U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder metallurgy, in particular to a metal powder metallurgy mixing device. Background Art
[0002] Powder metallurgy is a technology that uses metal powder as a raw material to manufacture metal materials, composite materials, and various types of products through a pressing and sintering process. Powder metallurgy is an important material manufacturing technology that is widely used in the automotive, aerospace, electronics, tools, medical equipment and other fields.
[0003] In the powder metallurgy manufacturing process, the mixing device is a critical piece of equipment. The quality of the mixing process directly affects the final performance of the powder metallurgy product. In existing mixing devices, metal powder and other auxiliary materials are often fed into the mixing device together. This creates a large bulk and prevents adequate mixing of the powders, resulting in uneven mixing and affecting subsequent production quality. Furthermore, continuous feeding of materials into the feed pipe can easily cause metal powder to accumulate in the mixing device, potentially clogging the feed pipe. Summary of the Invention
[0004] In view of the deficiencies of the above problems, the utility model provides a metal powder metallurgy mixing device.
[0005] The utility model achieves the above-mentioned purpose through the following technical solutions: A metal powder metallurgy mixing device, comprising a mixing tank, wherein feeding assemblies are provided on the left and right sides of the top of the mixing tank, a discharging assembly is provided on the bottom of the mixing tank, a stirring assembly is provided inside the mixing tank, the stirring assembly comprises a vertical stirring assembly and a horizontal stirring assembly, the vertical stirring assembly is arranged in the middle of the mixing tank, and horizontal stirring assemblies are provided on the left and right sides of the mixing tank, the feeding assembly comprises a feeding pipe fixedly connected to the outer surface of the mixing tank and a feeding adjustment mechanism, the feeding adjustment mechanism comprises a fixed platform fixedly connected to the upper surface of the mixing tank, a movable plate is slidably connected to the inner side of the fixed platform, one end of the movable plate is fixedly connected to a telescopic plate, a slot for the telescopic plate to enter and adapt is opened on the surface of the feed pipe, a rack is provided on the bottom surface of the movable plate, and a first motor is provided on the upper surface of the mixing tank, and a gear is fixedly installed on the output shaft of the first motor, and the gear and the rack are meshed and matched with each other.
[0006] Preferably, a crushing knife is provided on the side of the telescopic plate away from the movable plate, and a fixed knife having the same structure as the crushing knife is provided on the inner wall of the feed pipe at a position corresponding to the crushing knife, and the fixed knife and the crushing knife are arranged alternately.
[0007] Preferably, a rubber pad is attached to the inner wall of the notch, and the outer wall of the rubber pad is in contact with the outer surface of the telescopic plate, and an oscillator is embedded in the bottom of the telescopic plate.
[0008] Preferably, the vertical stirring assembly includes a second motor, a first stirring shaft and a first stirring blade. The second motor is arranged in the middle of the top of the mixing tank. The output end of the second motor is fixedly connected to the first stirring shaft. The first stirring blade is a spiral blade. The outer surface of the first stirring shaft is fixedly connected to the first stirring blade. The outer surface of the first stirring blade is provided with a plurality of blanking holes.
[0009] Preferably, the sizes of the plurality of blanking holes are not all the same.
[0010] Preferably, the horizontal stirring assembly includes a third motor, a second stirring shaft and a stirring plate, the third motor is arranged on the outer side of the mixing tank, one end of the second stirring shaft is fixedly connected to the output shaft of the third motor, and several stirring plates are evenly fixedly connected to the outer surface of the second stirring shaft.
[0011] Preferably, the stirring plate includes a stirring frame and several horizontal bars and vertical bars fixed in the stirring frame. One side of the stirring frame is fixedly connected to the outer surface of the second stirring shaft. The horizontal bars and vertical bars are fixedly connected to each other vertically. Several stirring ports are formed between the horizontal bars and the vertical bars. Protective balls are fixedly connected at the intersection of the horizontal bars and the vertical bars.
[0012] Preferably, the sizes of the several stirring ports are not all the same.
[0013] Preferably, a scraper is fixedly connected to the side of the stirring frame away from the second stirring shaft, and the scraper abuts against the inner wall of the mixing tank.
[0014] Preferably, the discharge assembly includes a solenoid valve embedded in the outer surface of the mixing tank, and the output end of the solenoid valve is fixedly connected to a discharge pipe.
[0015] The beneficial effects of the utility model are:
[0016] Through the feeding assembly set up, the first motor drives the gear to rotate, so that the gear and the rack are engaged, thereby moving the movable plate, and the movement of the movable plate drives the telescopic plate to move, and the positive rotation of the gear drives the telescopic plate to enter the feeding pipe, and the reverse rotation of the gear drives the telescopic plate to move out of the feeding pipe, so that the telescopic plate can reciprocate in and out of the inside of the feeding pipe, intermittently blocking the passage of metal powder inside the feeding pipe, thereby achieving the effect of intermittent feeding in the feeding pipe, preventing the problem of metal powder accumulation in the mixing tank and clogging the feeding pipe due to continuous feeding in the feeding pipe during long-term work; the size of the feeding port in the feeding pipe can also be adjusted according to demand, and the gear stops rotating after rotating to a certain situation, so that the length of the telescopic plate extending into the feeding pipe is fixed, thereby changing the size of the feeding port in the feeding pipe, and the feeding speed can be adjusted in this way.
[0017] 2. By setting up the vertical stirring assembly and the horizontal stirring assembly, the metal powder inside the mixing tank can not only be stirred vertically, but also can be stirred horizontally, so that the device can perform multi-stage stirring on the metal powder, making the metal powder mixed more evenly and improving the production quality of powder metallurgy. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic structural diagram of the mixing tank of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the mixing tank of the utility model;
[0020] Figure 3 This is a structural diagram of the feed adjustment mechanism of the utility model;
[0021] Figure 4 This is a schematic structural diagram of the stirring plate of the present invention.
[0022] In the figure: 1. Mixing tank; 2. Feeding assembly; 21. Feeding pipe; 211. Fixed knife; 22. Fixed platform; 23. Moving plate; 231. Rack; 24. Telescopic plate; 241. Crushing knife; 25. First motor; 26. Gear; 3. Discharge assembly; 31. Solenoid valve; 32. Discharge pipe; 4. Vertical stirring assembly; 41. Second motor; 42. First stirring shaft; 43. First stirring blade; 431. Dropping hole; 5. Horizontal stirring assembly; 51. Third motor; 52. Second stirring shaft; 53. Stirring plate; 531. Stirring frame; 532. Cross bar; 533. Longitudinal bar; 534. Stirring port; 535. Protective ball; 536. Scraper. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0024] like Figures 1 to 3As shown, a metal powder metallurgy mixing device includes a mixing tank 1, a feeding assembly 2 is provided on the left and right sides of the top of the mixing tank 1, a discharging assembly 3 is provided at the bottom of the mixing tank 1, a stirring assembly is provided inside the mixing tank 1, the stirring assembly includes a vertical stirring assembly 4 and a horizontal stirring assembly 5, the vertical stirring assembly 4 is provided in the middle of the mixing tank 1, and the horizontal stirring assembly 5 is provided on the left and right sides of the mixing tank 1. The feeding assembly 2 includes a feeding pipe 21 fixedly connected to the outer surface of the mixing tank 1 and a feeding adjustment mechanism, the feeding adjustment mechanism includes a fixed platform 22 fixedly connected to the upper surface of the mixing tank 1, the inner sliding connection of the fixed platform 22 is connected to a movable plate 23, and one end of the movable plate 23 is fixedly connected to a telescopic plate 24. The surface of the feed pipe 21 is provided with a slot for the telescopic plate 24 to enter and adapt to, the bottom surface of the movable plate 23 is provided with a rack 231, the upper surface of the mixing tank 1 is provided with a first motor 25, and the output shaft of the first motor 25 is fixedly mounted with a gear 26, the gear 26 and the rack 231 are meshed and matched with each other, and a crushing knife 241 is provided on the side of the telescopic plate 24 away from the movable plate 23, and a fixed knife 211 with the same structure is provided on the inner wall of the feed pipe 21 corresponding to the position of the crushing knife 241. The fixed knife 211 and the crushing knife 241 are staggered, and a rubber pad is fitted around the inner wall of the slot, and the outer wall of the rubber pad is in contact with the outer surface of the telescopic plate 24, and an oscillator is embedded in the bottom of the telescopic plate 24. With this structure, the first motor 25 drives the gear 26 to rotate, so that the gear 26 is meshed with the rack 231, thereby moving the movable plate 23, and the movement of the movable plate 23 drives the telescopic plate 24 to move, and the gear 26 rotates forward to drive the telescopic plate 24 into the feed pipe 21, and the gear 26 reverses to drive the telescopic plate 24 to move out of the feed pipe 21, so that the telescopic plate 24 can reciprocate in and out of the feed pipe 21, intermittently blocking the passage of metal powder inside the feed pipe 21, so that the feed pipe 21 can be intermittently discharged, and the problem of metal powder accumulation in the mixing tank 1 and clogging of the feed pipe 21 due to continuous feeding in the feed pipe 21 during long-term work is prevented; it can also be adjusted according to needs. In order to adjust the size of the feed opening in the feed pipe 21, the gear 26 stops rotating after rotating to a certain extent, so that the length of the telescopic plate 24 extending into the feed pipe 21 is fixed, thereby changing the size of the feed opening in the feed pipe 21. In this way, the feeding speed can be adjusted. An oscillator is embedded at the bottom of the telescopic plate 24 to prevent metal powder from accumulating on the telescopic plate 24 to a certain extent. The rubber pad provided on the inner wall of the groove can buffer the collision caused by the vibration of the telescopic plate 24 and improve the airtightness. The crushing knife 241 and the fixed knife 211 are provided, and the metal powder can be crushed and dispersed to a certain extent by following the reciprocating extension and contraction of the telescopic plate 24, which helps in subsequent mixing and prevents the accumulation and blockage of metal powder.
[0025] like Figure 2As shown, the vertical stirring assembly 4 includes a second motor 41, a first stirring shaft 42 and a first stirring blade 43. The second motor 41 is arranged in the middle of the top of the mixing tank 1. The output end of the second motor 41 is fixedly connected to the first stirring shaft 42. The first stirring blade 43 is a spiral blade. The outer surface of the first stirring shaft 42 is fixedly connected to the first stirring blade 43. The outer surface of the first stirring blade 43 is provided with a plurality of drop holes 431. The sizes of the plurality of drop holes 431 are not uniform. With this structure, the metal powder inside the mixing tank 1 can be vertically stirred. The second motor 41 is driven to rotate the first stirring shaft 42, and the first stirring shaft 42 drives the first stirring blade 43 to rotate. Then, through the cooperation of the first stirring blade 43 and the drop holes 431, the metal powder can be mixed and stirred evenly. The metal powder at the bottom of the mixing tank 1 can also be stirred to prevent the metal powder from accumulating at the bottom of the mixing tank 1, thereby improving the mixing effect.
[0026] like Figure 2 and Figure 4 As shown, the horizontal stirring assembly 5 includes a third motor 51, a second stirring shaft 52 and a stirring plate 53. The third motor 51 is arranged on the outer side of the mixing tank 1, one end of the second stirring shaft 52 is fixedly connected to the output shaft of the third motor 51, and several stirring plates 53 are evenly fixedly connected to the outer surface of the second stirring shaft 52. The stirring plate 53 includes a stirring frame 531 and several cross bars 532 and vertical bars 533 fixed in the stirring frame 531. One side of the stirring frame 531 is fixedly connected to the outer surface of the second stirring shaft 52, the cross bars 532 and the vertical bars 533 are fixedly connected to each other vertically, and several stirring ports 534 are formed between the cross bars 532 and the vertical bars 533. The intersection of the cross bars 532 and the vertical bars 533 is fixedly connected to a protective ball 535. The sizes of the several stirring ports 534 are not all the same. The side of the stirring frame 531 away from the second stirring shaft 52 is fixedly connected to a scraper 536, and the scraper 536 abuts against the inner wall of the mixing tank 1. By adopting this structure, the metal powder inside the mixing tank 1 can be horizontally stirred. The third motor 51 is provided to drive the second stirring shaft 52 to rotate, and the second stirring shaft 52 drives the stirring plate 53 to rotate. The stirring plate 53 rotates to disperse and stir the metal powder in the mixing tank 1. The intersection of the horizontal bar 532 and the vertical bar 533 is fixedly connected with a protective ball 535. The protective ball 535 can impact and crush larger agglomerated metal powder, and at the same time, the structural strength of the horizontal bar 532 and the vertical bar 533 is also improved. The sizes of the stirring ports 534 are not all consistent, which can achieve a further breaking up and crushing effect, so that the scattered and stirred metal powder is more sufficient and uniform. The scraper 536 is provided, and the second stirring shaft 52 can drive the scraper 536 to rotate, which can scrape off the metal powder stuck to the inner wall of the mixing tank 1 to prevent the metal powder from sticking to the inner wall of the mixing tank 1.
[0027] like Figure 2 As shown, the discharge assembly 3 includes a solenoid valve 31 embedded in the outer surface of the mixing tank, and the output end of the solenoid valve 31 is fixedly connected to the discharge pipe 32. With this structure, after mixing is completed, the solenoid valve 31 is opened to allow the metal powder inside the mixing tank 1 to be discharged through the discharge pipe 32.
[0028] The telescopic plate 24 can also be driven by the gear 26 to extend into the feed pipe 21 for a fixed length, thereby adjusting the feed rate to the required level. The size of the feed opening in the material pipe 21, at this time, the oscillator is started to prevent the metal powder from accumulating on the telescopic plate 24; the second motor 41 drives the first stirring shaft 42 to rotate, the first stirring shaft 42 drives the first stirring blade 43 to rotate, the third motor 51 drives the second stirring shaft 52 to rotate, the second stirring shaft 52 drives the stirring plate 53 to rotate, and the second stirring shaft 52 can also drive the scraper 536 to rotate, which can scrape off the metal powder stuck to the inner wall of the mixing tank 1 to prevent the metal powder from sticking to the inner wall of the mixing tank 1. In this way, not only the metal powder inside the mixing tank 1 can be vertically stirred, but also the metal powder inside the mixing tank 1 can be horizontally stirred, so that the device can perform multi-stage stirring on the metal powder, making the metal powder mixing more uniform, which can improve the production quality of powder metallurgy; after mixing is completed, the solenoid valve 31 is opened to discharge the metal powder inside the mixing tank 1 through the discharge pipe 32.
[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A metal powder metallurgy mixing device, comprising a mixing tank (1), wherein a feeding assembly (2) is provided on the left and right sides of the top of the mixing tank (1), a discharging assembly (3) is provided at the bottom of the mixing tank (1), and a stirring assembly is provided inside the mixing tank (1), characterized in that: The stirring assembly comprises a vertical stirring assembly (4) and a horizontal stirring assembly (5), wherein the vertical stirring assembly (4) is arranged in the middle of the mixing tank (1), and the horizontal stirring assembly (5) is arranged on both the left and right sides of the mixing tank (1), the feeding assembly (2) comprises a feeding pipe (21) fixedly connected to the outer surface of the mixing tank (1) and a feeding adjustment mechanism, wherein the feeding adjustment mechanism comprises a fixed platform (22) fixedly connected to the upper surface of the mixing tank (1), a movable plate (23) is slidably connected to the inner side of the fixed platform (22), and a telescopic plate (24) is fixedly connected to one end of the movable plate (23), a notch for the telescopic plate (24) to enter and fit is opened on the surface of the feeding pipe (21), and a rack (231) is arranged on the bottom surface of the movable plate (23), and a first motor (25) is arranged on the upper surface of the mixing tank (1), and a gear (26) is fixedly installed on the output shaft of the first motor (25), and the gear (26) and the rack (231) are meshed and matched with each other.
2. A metal powder metallurgy mixing device according to claim 1, characterized in that: A crushing knife (241) is provided on the side of the telescopic plate (24) away from the movable plate (23), and a fixed knife (211) having the same structure as the crushing knife (241) is provided on the inner wall of the feeding tube (21) at a position corresponding to the crushing knife (241), and the fixed knife (211) and the crushing knife (241) are arranged in an alternating manner.
3. A metal powder metallurgy mixing device according to claim 2, characterized in that: A rubber pad is fitted around the inner wall of the slot, and the outer wall of the rubber pad abuts against the outer surface of the telescopic plate (24). An oscillator is embedded in the bottom of the telescopic plate (24).
4. The metal powder metallurgy mixing device according to claim 1, characterized in that: The vertical stirring assembly (4) comprises a second motor (41), a first stirring shaft (42) and a first stirring blade (43). The second motor (41) is arranged in the middle of the top of the mixing tank (1). The output end of the second motor (41) is fixedly connected to the first stirring shaft (42). The first stirring blade (43) is a spiral blade. The outer surface of the first stirring shaft (42) is fixedly connected to the first stirring blade (43). The outer surface of the first stirring blade (43) is provided with a plurality of drop holes (431).
5. The metal powder metallurgy mixing device according to claim 4, characterized in that: The sizes of the plurality of blanking holes (431) are not all the same.
6. The metal powder metallurgy mixing device according to claim 1, characterized in that: The horizontal stirring assembly (5) comprises a third motor (51), a second stirring shaft (52) and a stirring plate (53), wherein the third motor (51) is arranged on the outer side surface of the mixing tank (1), one end of the second stirring shaft (52) is fixedly connected to the output shaft of the third motor (51), and a plurality of stirring plates (53) are evenly fixedly connected to the outer surface of the second stirring shaft (52).
7. The metal powder metallurgy mixing device according to claim 6, characterized in that: The stirring plate (53) includes a stirring frame (531) and a plurality of transverse rods (532) and longitudinal rods (533) fixed in the stirring frame (531). One side of the stirring frame (531) is fixedly connected to the outer surface of the second stirring shaft (52). The transverse rods (532) and longitudinal rods (533) are fixedly connected to each other vertically. A plurality of stirring ports (534) are formed between the transverse rods (532) and longitudinal rods (533). A protective ball (535) is fixedly connected to the intersection of the transverse rods (532) and longitudinal rods (533).
8. The metal powder metallurgy mixing device according to claim 7, characterized in that: The sizes of the plurality of stirring ports (534) are not all the same.
9. The metal powder metallurgy mixing device according to claim 8, characterized in that: A scraper (536) is fixedly connected to the side of the stirring frame (531) away from the second stirring shaft (52), and the scraper (536) abuts against the inner wall of the mixing tank (1).
10. The metal powder metallurgy mixing device according to claim 1, characterized in that: The discharge assembly (3) comprises a solenoid valve (31) embedded in the outer surface of the mixing tank (1), and the output end of the solenoid valve (31) is fixedly connected to a discharge pipe (32).