CN220181887U

CN220181887U - Quantitative discharging device of metal powder screening equipment

Info

Publication number: CN220181887U
Application number: CN202321595365.4U
Authority: CN
Inventors: 郑国勇; 郑勇
Original assignee: Jinhua Shuangfei Chengkai Alloy Material Co ltd
Current assignee: Jinhua Shuangfei Chengkai Alloy Material Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-15
Anticipated expiration: 2033-06-20

Abstract

The utility model provides a quantitative blanking device of metal powder screening equipment, and belongs to the technical field of quantitative blanking devices of metal powder screening equipment. The quantitative feeding device solves the problem that the efficiency of the existing metal powder is low in the quantitative feeding process. This ration unloader is including having the screening case and the linear drive part that makes a round trip of holding the chamber, and the fixed bar piece that is equipped with in bottom of screening case, the inside of bar piece has the bar passageway, and the feed inlet has been seted up to one side bottom of screening case, and feed inlet and one side edge intercommunication of bar passageway, the discharge gate has been seted up to the other end edge bottom of bar passageway, and the interior transport piece that is equipped with and bar passageway cross-section size unanimity of sliding in the bar passageway, the unloading mouth has been seted up to the transport piece up and down. Compared with the prior art, the quantitative discharging device adopts a linear material taking mode, and compared with a rotary table mode, the quantitative discharging device is shorter in path, so that the higher the feeding efficiency per unit time is.

Description

Quantitative discharging device of metal powder screening equipment

Technical Field

The utility model belongs to the technical field of metal powder processing equipment, and relates to a quantitative blanking device of metal powder screening equipment.

Background

Under the high-precision use requirement, the particle size of the metal powder also meets the requirement, so that the metal powder needs to be screened in the production process.

In the prior art, the principle of screening metal powder generally adopts a centrifugal screening method or a vibration screening method, the vibration screening method needs to firstly input powder raw materials into a vibration box for screening, and when the powder in the vibration box is screened, the powder needs to be continuously fed into the vibration box, and in the prior art, the feeding process generally needs to be completed manually, so that the automation degree is not high.

In response to this problem, the applicant has proposed a patent with application number "CN202121921322.1", entitled "automatic screening device for metal powder", in year 8 and 16 (hereinafter referred to as the prior art), which has been further studied by the applicant and found that this patent has an efficiency problem in that the metal powder is screened at a very fast rate by using a vibrating tray, but if the feeding tray is used to achieve the feeding effect by rotating the feeding tray once, the feeding opening needs to complete the feeding once by rotating the feeding tray once, so that the path that the feeding opening passes during the periodic feeding is too long, and the design is to ensure that the feeding tray is horizontally placed, and the discharging opening of the storage box is relatively slow during the pouring of the metal powder into the feeding opening. The device is therefore still to be improved.

Disclosure of Invention

The utility model aims to solve the problem of low efficiency of the existing metal powder in the quantitative feeding process, and provides a quantitative blanking device of metal powder screening equipment.

The aim of the utility model can be achieved by the following technical scheme:

quantitative unloader of metal powder screening equipment, its characterized in that: including having the screening case and the linear drive part that makes a round trip of appearance chamber, the fixed bar piece that is equipped with in bottom of screening case, the inside of bar piece has the bar passageway, the dog-house has been seted up to one side bottom of screening case, the dog-house communicates with one side edge of bar passageway, the discharge gate has been seted up to the other end edge bottom of bar passageway, the transport piece that is equipped with unanimous with bar passageway cross-section size in the slip of bar passageway has seted up the feed opening from top to bottom, the drive part that makes a round trip is used for driving the transport piece and removes in the bar passageway, the metal powder raw materials in the screening case can be filled in the feed opening when the transport piece removes the position of dog-house, the metal powder raw materials in the transport piece can be poured from the discharge gate when the transport piece removes the position of dog-house.

In the quantitative discharging device of the metal powder screening equipment, the side edge of the strip-shaped channel is further provided with the abdication opening, the side edge of the conveying block is fixedly provided with the plugging plate with the cross section size consistent with the abdication opening and in a strip shape, and the plugging plate plugs the feeding opening after leaving the feeding opening.

In the quantitative discharging device of the metal powder screening equipment, the linear back-and-forth driving part comprises a lifting cylinder, two front supporting legs and two rear supporting legs, wherein the two front supporting legs and the two rear supporting legs are hinged to the front side and the rear side of the screening box, the two rear supporting legs are fixedly arranged and located at positions close to the discharging hole, the lifting cylinder is fixedly arranged, the two front supporting legs are located at positions close to the feeding hole and are fixed together through a hack lever, and a piston rod of the lifting cylinder is upwards arranged and connected to the center of the hack lever through a universal joint.

In the quantitative discharging device of the metal powder screening equipment, the threaded pushing rod is further rotationally arranged in the accommodating cavity of the screening box, the driving motor is fixedly arranged on the side edge of the screening box and is directly connected with the threaded pushing rod, and the threaded pushing rod moves the material in the accommodating cavity to a position away from the feeding port after rotating.

Compared with the prior art, the quantitative discharging device adopts a linear material taking mode, and has shorter path compared with a rotary table mode, so that the efficiency of feeding per unit time is higher, and meanwhile, the whole screening box of the device enables metal powder to be poured into the material taking box faster under the gravity effect to complete the rapid material taking effect.

Drawings

FIG. 1 is a schematic view of the structure of the upper view angle of the quantitative blanking apparatus;

FIG. 2 is a schematic view of the structure of the lower view angle of the quantitative blanking apparatus;

FIG. 3 is a schematic perspective view of a screening box;

in the figure, 1, a screening box; 2. a bar block; 3. a strip-shaped channel; 4. a feed port; 5. a discharge port; 6. a transport block; 7. a feed opening; 8. a blanking plate; 9. a front support leg; 10. a rear support leg; 11. a lifting cylinder; 12. a universal joint; 13. a threaded pushing rod; 14. and driving the motor.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 3, the quantitative discharging device of the metal powder screening equipment comprises a screening box 1 with a containing cavity and a linear back-and-forth driving component, wherein a bar block 2 is fixedly arranged at the bottom of the screening box 1, a bar channel 3 is arranged in the interior of the bar block 2, a feed port 4 is formed in the bottom of one side of the screening box 1, the feed port 4 is communicated with one side edge of the bar channel 3, a discharge port 5 is formed in the bottom of the other end edge of the bar channel 3, a transport block 6 with the same cross-section size as the bar channel 3 is arranged in the inside of the bar channel 3 in a sliding manner, a discharging port 7 is formed in the transport block 6 in a vertically penetrating manner, the linear back-and-forth driving component is used for driving the transport block 6 to move in the bar channel 3, metal powder raw materials in the screening box 1 can be filled into the discharging port 7 when the transport block 6 moves to the position of the feed port 4, and the metal powder raw materials in the transport block 6 can be poured out from the discharge port 5 when the transport block 6 moves to the position of the feed port 4.

The transporting block 6 is a function of a rotary table in the prior art, and moves in the strip-shaped channel 3 to fill the discharging opening 7 in the transporting block 6 with a certain amount of metal powder, then moves to the other side to pour the completely quantitative amount of metal powder out of the discharging opening 5, and the path of the discharging opening 7 moving back and forth at the two points is shortest because the strip-shaped channel 3 is just positioned on the shortest line segment formed by the two points of the feeding opening 4 and the discharging opening 5, and the path of the discharging opening 7 on the rotary table in the prior art is very long because the discharging opening 7 needs to move circularly.

As shown in fig. 3, the side of the strip-shaped channel 3 is further provided with a relief opening, the side of the transport block 6 is fixedly provided with a plugging plate 8 with a cross-sectional dimension consistent with that of the relief opening and in a strip shape, and the plugging plate 8 plugs the feed inlet 4 after leaving the feed inlet 4.

In order to avoid that the metal powder in the cavity falls from the feed opening 4 into the strip channel 3 after the transport block 6 leaves the feed opening 4, the transport block 6 should be blocked every time it leaves, so that a blanking plate 8 is used to do this.

The linear back and forth driving part comprises a lifting cylinder 11, two front supporting legs 9 and two rear supporting legs 10 hinged to the front side and the rear side of the screening box 1, the two rear supporting legs 10 are fixedly arranged (relative to the ground) and are positioned close to the discharge hole 5, the lifting cylinder 11 is fixedly arranged (relative to the ground), the two front supporting legs 9 are positioned close to the feed inlet 4 and are fixed together through a hack lever, and a piston rod of the lifting cylinder 11 is upwards arranged and connected to the center of the hack lever through a universal joint 12.

The contact surface between the transport block 6 and the edge of the strip-shaped channel 3 is smooth enough, and the principle is that the transport block 6 moves in the strip-shaped channel 3 under the action of gravity by adjusting the inclination angle of the strip-shaped channel 3, so that the movement function of the transport block 6 can be realized, the screening box 1 can be inclined, the transport block 6 is inclined to one side when the screening box 1 is positioned at the feed inlet 4, and the metal powder in the screening box 1 can be accumulated on one side under the action of gravity, so that the process of taking the transport block 6 from the feed inlet 4 is faster.

As shown in fig. 1 and 2, a threaded pushing rod 13 is further rotatably arranged in the accommodating cavity of the screening box 1, a driving motor 14 is fixedly arranged on the side edge of the screening box 1, the driving motor 14 is directly connected with the threaded pushing rod 13, and after the threaded pushing rod 13 rotates, materials in the accommodating cavity are moved to a position far away from the feeding port 4.

Because during the material taking process, a large amount of metal powder materials can be accumulated on one side close to the material inlet 4 after the screening box 1 is inclined, in order to avoid the material amount process from blocking the material inlet 4, the threaded pushing rod 13 can transport part of the materials to the other side.

Compared with the prior art of the prior application mentioned in the background of the applicant, the quantitative blanking device improves the annular rotary periodic motion of the feed port 4 to be linear back and forth periodic motion, reduces the displacement of the periodic motion of the feed port 4, so the efficiency is faster, and in addition, because the blanking port 7 is just in an inclined state towards the feed port 4 when being in butt joint with the feed port 4, the metal powder in the blanking port can be more biased to move towards one side of the feed port 4 under the action of gravity, a large amount of metal powder can be accumulated on the feed port 4, and the efficiency of filling the metal powder into the blanking port 7 by the feed port 4 is greatly accelerated.

It should be understood that in the claims, the specification of the present utility model, all "including … …" should be interpreted as open-ended meaning that it is equivalent to "at least … …", and not as closed-ended meaning that it should not be interpreted to "include … …" only.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. Quantitative unloader of metal powder screening equipment, its characterized in that: including having the screening case and the linear drive part that makes a round trip of appearance chamber, the fixed bar piece that is equipped with in bottom of screening case, the inside of bar piece has the bar passageway, the dog-house has been seted up to one side bottom of screening case, the dog-house communicates with one side edge of bar passageway, the discharge gate has been seted up to the other end edge bottom of bar passageway, the transport piece that is equipped with unanimous with bar passageway cross-section size in the slip of bar passageway has seted up the feed opening from top to bottom, the drive part that makes a round trip is used for driving the transport piece and removes in the bar passageway, the metal powder raw materials in the screening case can be filled in the feed opening when the transport piece removes the position of dog-house, the metal powder raw materials in the transport piece can be poured from the discharge gate when the transport piece removes the position of dog-house.

2. The quantitative blanking device of a metal powder sieving apparatus according to claim 1, wherein: the side of bar passageway still is equipped with and gives way the mouth, and the fixed putty plate that is equipped with of side of transport piece cross-section size and gives way the mouth unanimous and be rectangular shape, and the putty plate can block up the dog-house after leaving the dog-house.

3. A quantitative blanking device of a metal powder sieving apparatus according to claim 1 or 2, characterized in that: the linear back and forth driving part comprises a lifting cylinder, two front supporting legs and two rear supporting legs, wherein the two front supporting legs and the two rear supporting legs are hinged to the front side and the rear side of the screening box, the two rear supporting legs are fixedly arranged and located at positions close to the discharge hole, the lifting cylinder is fixedly arranged, the two front supporting legs are located at positions close to the feed hole and are fixed together through a hack lever, and a piston rod of the lifting cylinder is upwards arranged and connected to the center of the hack lever through a universal joint.

4. A quantitative blanking device of a metal powder sieving apparatus according to claim 3, wherein: the screening box is characterized in that a threaded pushing rod is further rotationally arranged in the accommodating cavity of the screening box, a driving motor is fixedly arranged on the side edge of the screening box and is directly connected with the threaded pushing rod, and the threaded pushing rod moves the material in the accommodating cavity to a position away from the feeding port after rotating.