Automatic discharging mechanism for powder metallurgy
Technical Field
The utility model provides an automatic discharging mechanism for powder metallurgy, and relates to the field of powder metallurgy.
Background
In the field of powder metallurgy, the particle size of metallurgical powder directly influences the quality of a final formed product, along with the continuous development of science and technology, the automatic development of production has become a trend, and for the powder metallurgy industry, after metal powder is produced and processed, large particles which do not meet production specifications generally exist, and the large particles need to be screened, sorted and collected for qualified powder, and the unqualified powder is crushed again. Most of screening and discharging devices in the prior art are semi-automatic equipment, the operation is slow, the accuracy is low, the labor intensity of workers is increased, the labor cost is increased, the production efficiency is reduced, and therefore, the powder metallurgy automatic discharging mechanism is provided.
Disclosure of Invention
In order to solve the problems, the utility model provides the powder metallurgy automatic discharging mechanism, and the metallurgical powder can be automatically screened through the arrangement of the screening hopper, the vibrating motor and the baffle plate, so that the device has high automation degree and high screening efficiency.
The utility model provides an automatic discharging mechanism for powder metallurgy, which comprises a bottom plate, an upright post fixedly connected to the bottom plate, a screening bucket movably arranged at the top of the upright post and a vibrating motor arranged on the screening bucket, wherein the screening bucket is obliquely arranged, a discharge hole is formed in the bottom end of the screening bucket, sieve holes are uniformly formed in the bottom of the screening bucket, a second fixing plate is fixedly connected to the side wall of the screening bucket, a spring is fixedly connected between the second fixing plate and the upright post, a first collecting basket and a second collecting basket are movably arranged on the bottom plate, a baffle is arranged in the screening bucket, and a turnover driving assembly is connected to the baffle.
Preferably, the top of the baffle is fixedly connected with a shaft lever, the shaft lever is rotationally connected with the screening hopper, and one end of the shaft lever penetrates through the side wall of the screening hopper and is coaxially fixedly connected with a gear.
Preferably, the number of the baffles is 3.
Preferably, the overturning driving assembly comprises a first fixed plate symmetrically fixedly connected to the side wall of the screening hopper, a screw rod rotatably arranged between the first fixed plates, a threaded sleeve sleeved on the outer side of the screw rod in a sliding mode, and a rack fixedly connected to the top of the threaded sleeve, and the rack is meshed with the gear.
Preferably, the side wall of the screening bucket is fixedly connected with a limiting rod, the side wall of the threaded sleeve is provided with a groove matched with the limiting rod, and the limiting rod is arranged in the groove and is in sliding connection with the threaded sleeve.
Preferably, the lead screw is connected with a driving motor, and the driving motor is fixedly connected to the first fixing plate.
The utility model has the beneficial effects that:
the utility model provides an automatic discharging mechanism for powder metallurgy, which can automatically screen metallurgical powder through the arrangement of a screening hopper and a vibrating motor, wherein qualified powder falls into a collecting basket II, unqualified powder falls into a collecting basket I, and through the arrangement of a baffle plate and a turnover driving assembly, the baffle plate can be driven to be opened at intervals, so that the powder slides down at intervals in batches, the screening effect is better, no qualified product is mixed into unqualified powder with a size, the automation degree of the device is high, and the screening efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an automatic discharging mechanism for powder metallurgy.
FIG. 2 is an enlarged view of a portion of an automatic powder metallurgy discharging mechanism according to the present utility model.
( 1. A bottom plate; 2. collecting a first basket; 3. a second collecting basket; 4. a driving motor; 5. a column; 6. a vibration motor; 7. screening hopper; 8. a baffle; 9. a sieve pore; 10. a discharge port; 11. a first fixing plate; 12. a second fixing plate; 13. a spring; 14. a thread sleeve; 15. a rack; 16. a gear; 17. a shaft lever; 18. a limit rod; 19. screw rod )
Detailed Description
Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the utility model provides an automatic discharging mechanism for powder metallurgy, which comprises a bottom plate 1, upright posts 5 fixedly connected to the bottom plate 1, screening hoppers 7 movably arranged at the tops of the upright posts 5 and a vibrating motor 6 arranged on the screening hoppers 7, wherein the screening hoppers 7 are obliquely arranged, and discharge holes 10 are arranged at the bottom ends of the screening hoppers 7, as shown in fig. 1, 4 upright posts 5 are arranged at the bottom ends, and the heights of the front sides are lower than the heights of the rear sides, so that the screening hoppers 7 can be obliquely arranged; the side wall of the screening bucket 7 is fixedly connected with a second fixed plate 12, a spring 13 is fixedly connected between the second fixed plate 12 and the upright post 5, and the screening bucket 7 can vibrate under the action of the vibrating motor 6 through the arrangement of the spring 13; the bottom of the screening hopper 7 is uniformly provided with screening holes 9, the screening holes 9 are used for screening metal particles with larger sizes, the first collecting basket 2 and the second collecting basket 3 are movably arranged on the bottom plate 1, as shown in fig. 1, the first collecting basket 2 is arranged below the discharge hole 10 to collect unqualified large particles, the second collecting basket 3 is arranged below the screening hopper 7 to collect qualified metal particles passing through the screening holes 9; the screening hopper 7 is internally provided with a baffle plate 8, and the baffle plate 8 is connected with a turnover driving assembly. Specifically, baffle 8 is used for forming the blocking along screening bucket 7 roll time when the metal particles, delays the whereabouts process of metal particles to make the screening effect more thorough.
Further, the overturning driving assembly comprises a first fixing plate 11 symmetrically fixedly connected to the side wall of the screening bucket 7, a screw rod 19 rotatably arranged between the first fixing plates 11, a threaded sleeve 14 slidably sleeved on the outer side of the screw rod 19, and a rack 15 fixedly connected to the top of the threaded sleeve 14, a limit rod 18 is fixedly connected to the side wall of the screening bucket 7, a groove matched with the limit rod 18 is formed in the side wall of the threaded sleeve 14, and the limit rod 18 is arranged in the groove and slidably connected with the threaded sleeve 14. Specifically, through the cooperation of the limiting rod 18 and the groove, the threaded sleeve 14 is limited and cannot rotate, so that the screw rod 19 and the threaded sleeve 14 can form threaded transmission.
Further, in the present utility model, the screw 19 is connected to a driving motor 4, and the driving motor 4 is fixedly connected to the first fixing plate 11. Specifically, the driving motor 4 can drive the screw rod 19 to rotate, and the screw rod 19 drives the threaded sleeve 14 to axially move along the screw rod 19, so as to drive the rack 15 to move.
Further, in the utility model, the top of the baffle 8 is fixedly connected with the shaft lever 17, the shaft lever 17 is rotationally connected with the screening hopper 7, one end of the shaft lever 17 penetrates through the side wall of the screening hopper 7 and is coaxially fixedly connected with the gears 16, the racks 15 are meshed with the gears 16, the number of the baffle 8 is 3, specifically, when the racks 15 move below the gears 16, the gears 16 are driven to rotate, the gears 16 drive the baffle 8 to turn over through the shaft lever 17, the baffle 8 turns over, and metal particles can smoothly fall down.
Further, the driving motor 4 in the utility model can select a positive motor and a negative motor, and the screw sleeve 14 is driven to reciprocate by continuous positive and negative alternate rotation of the positive motor, or the screw rod 19 selects the reciprocating screw rod 19, so that the effect of driving the screw sleeve 14 to reciprocate is also achieved.
Working principle: when the metal powder screening machine is used, metallurgically prepared metal powder particles are continuously put into the screening hopper 7, the driving motor 4 and the vibrating motor 6 are started, the vibrating motor 6 drives the screening hopper 7 to continuously vibrate, the metal powder particles are screened through the screen holes 9, qualified particles fall into the collecting basket two 3 through the screen holes 9, the driving motor 4 drives the baffle plates 8 to sequentially overturn, the metal powder particles can roll downwards at intervals in batches, screening time is prolonged, screening effect is improved, screening is more thorough, and unqualified large-particle metal powder finally falls into the collecting basket one 2 through the discharge hole 10.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.