阅读说明：本技术 一种铜基粉体材料高效分级筛分装置 (High-efficient hierarchical screening plant of copper base powder material ) 是由 晏超 徐修明 曹宝莲 于 2020-06-28 设计创作，主要内容包括：本发明提供一种铜基粉体材料高效分级筛分装置,涉及铜基粉体生产领域,包括筛分筒,所述筛分筒顶端中部设置有进料管,所述进料管位于筛分筒内的部分连接有控制进料机构,所述控制进料机构与下料机构转动连接,所述下料机构与重力球转动连接,位于所述重力球下方设置边缘与筛分筒固定连接的下料板,所述下料板包括与筛分筒内壁固定连接的外圆箍,所述外圆箍内侧固定连接有弹性的下料片,所述下料片中部与导料盘固定连接,所述导料盘顶部与下料机构固定连接,本发明中,实现均匀下料,提高筛网过滤面的利用率,进而提高筛分速率,同时避免辊直接作用在筛网上而导致对筛网造成压力。(The invention provides a high-efficiency grading and screening device for copper-based powder materials, which relates to the field of copper-based powder production and comprises a screening cylinder, the middle part of the top end of the screening cylinder is provided with a feeding pipe, the part of the feeding pipe positioned in the screening cylinder is connected with a control feeding mechanism, the feeding control mechanism is rotationally connected with the blanking mechanism, the blanking mechanism is rotationally connected with the gravity ball, a blanking plate with the edge fixedly connected with the screening cylinder is arranged below the gravity ball, the blanking plate comprises an outer circular hoop fixedly connected with the inner wall of the screening cylinder, the inner side of the outer circular hoop is fixedly connected with an elastic blanking sheet, the middle part of the lower material sheet is fixedly connected with the material guide plate, and the top part of the material guide plate is fixedly connected with the blanking mechanism, in the invention, uniform blanking is realized, the utilization rate of the filtering surface of the screen is improved, thereby improving the screening speed and simultaneously avoiding the pressure on the screen caused by the direct action of the roller on the screen.)

1. The utility model provides a high-efficient hierarchical screening plant of copper base powder material, includes screening section of thick bamboo (1), its characterized in that: the screening cylinder is characterized in that a feeding pipe (2) is arranged in the middle of the top end of the screening cylinder (1), the part of the feeding pipe (2) located in the screening cylinder (1) is connected with a control feeding mechanism (6), the control feeding mechanism (6) is rotationally connected with a discharging mechanism (7), the discharging mechanism (7) is rotationally connected with a gravity ball (701), a discharging plate (8) with an edge fixedly connected with the screening cylinder (1) is arranged below the gravity ball (701), the discharging plate (8) comprises an outer circular hoop (801) fixedly connected with the inner wall of the screening cylinder (1), an elastic lower material sheet (802) is fixedly connected to the inner side of the outer circular hoop (801), the middle part of the lower material sheet (802) is fixedly connected with a material guide plate (605), the top of the material guide plate (605) is fixedly connected with the discharging mechanism (7), a plurality of layers of screen meshes (9) are arranged below the discharging plate (8), a discharge hole is arranged above the layer-free screen (9) on the side surface of the screening cylinder (1).

2. The copper-based powder material high-efficiency grading and screening device as claimed in claim 1, is characterized in that: the lower material sheet (802) is circular, the lower material sheet (802) comprises a plurality of concentric load-bearing rings (8021) with trapezoidal vertical sections, and the bottom surfaces of the load-bearing rings (8021) are connected through reinforcing ropes (8022) arranged along the diameter direction of the lower material plate (8).

3. The copper-based powder material high-efficiency grading and screening device as claimed in claim 2, is characterized in that: the lower material piece (802) and the rib ropes (8022) are both made of rubber materials, and the vertical section of the bearing ring (8021) is in a regular trapezoid shape.

4. The copper-based powder material high-efficiency grading and screening device as claimed in claim 1, is characterized in that: unloading mechanism (7) include the ball axle of being connected with gravity ball (701) rotation, the ball axle passes through pedestal (703) and change (702) fixed connection, change (702) bottom is provided with ring gear (706), ring gear (706) are connected with the feed mechanism transmission.

5. The copper-based powder material high-efficiency grading and screening device as claimed in claim 4, is characterized in that: the shape of the shaft bracket (703) is arc-shaped, the radius of the arc-shaped shaft bracket (703) is larger than that of the gravity ball (701), the bottom end of the shaft bracket (703) is fixedly connected with the ball shaft, and the top end of the shaft bracket (703) is fixedly connected with the top of the side surface of the rotating ring (702).

6. The copper-based powder material high-efficiency grading and screening device as claimed in claim 5, is characterized in that: the inner side and the outer side of the rotating ring (702) are respectively provided with a ball groove (705), and a ball (704) is arranged in the ball groove (705).

7. The copper-based powder material high-efficiency grading and screening device as claimed in claim 1, is characterized in that: control feed mechanism (6) mechanism includes top and inlet pipe (2) bottom fixed connection's wheel cover (601), wheel cover (601) inside is provided with rather than rotate impeller (604) of being connected, impeller (604) and wheel axle (603) fixed connection who runs through wheel cover (601), wheel axle (603) tip run through ring frame (602) and rotate with ring frame (602) and be connected, the part that wheel axle (603) is located ring frame (602) is provided with tooth's socket (6031), tooth's socket (6031) are connected with unloading mechanism (7) transmission.

8. The copper-based powder material high-efficiency grading and screening device as claimed in claim 7, is characterized in that: the shape of the wheel sleeve (601) is a hollow sphere with a hole formed by transversely cutting the upper end and the lower end, the inner wall of the wheel sleeve (601) is attached to the blades of the impeller (604), the outer side of the wheel sleeve (601) is fixedly connected with the ring frame (602), the material guide plate (605) is fixedly connected to the bottom end of the wheel sleeve (601) through an inclined rod, and the material guide plate (605) is conical.

9. The copper-based powder material high-efficiency grading and screening device as claimed in claim 8, is characterized in that: the ring frame (602) comprises an inner ring plate (6022), the inner ring plate (6022) is coaxially and fixedly connected with an outer ring plate (6021), and the tooth grooves (6031) are positioned between the inner ring plate (6022) and the outer ring plate (6021).

10. The copper-based powder material high-efficiency grading and screening device as claimed in claim 9, is characterized in that: the feeding pipe (2) is internally and obliquely provided with a material guide plate (201), and a material channel is reserved between the material guide plate (201) and the feeding pipe (2).

Technical Field

The invention relates to the field of copper-based powder production, in particular to a high-efficiency grading and screening device for copper-based powder materials.

Background

The powder metallurgy can be used for manufacturing porous, semi-compact or fully-compact parts, such as oil-containing bearings, gears and other parts, is widely applied to various industrial industries, is also used as a surface treatment material, does not need cutting processing, has unique chemical composition and mechanical and physical properties, and cannot be obtained by using the traditional metal processing method.

The patent No. CN208066740U discloses a feeding device of an iron sand screening machine, which comprises a feeding hopper with a discharging barrel and a guide enclosing plate, wherein a plurality of sand feeding runners formed by separating plates arranged at left and right intervals are arranged in the guide enclosing plate, and each separating plate is provided with a movable plate for changing the left and right positions of iron sand in the corresponding sand feeding runner; a plurality of blanking cavities which are formed by separating partition plates arranged in a radial radiation mode are arranged in the discharging barrel, the bottom end of each blanking cavity is connected with a flow guide groove plate which obliquely and downwardly extends to the top of the corresponding sand conveying runner, and the blanking cavities are matched with the sand conveying runners in number. According to the invention, the iron sand is conveyed into the sand conveying runners on the guide enclosing plates through the flow guide groove plates below the blanking cavities, so that the difference of the iron sand amount on the sand conveying runners is reduced, and the movable plates for changing the left and right positions of the iron sand in the corresponding sand conveying runners prevent the iron sand falling into the screen from being accumulated in a concentrated manner, present a dispersed situation, reduce the local burden of the screen and also contribute to improving the screening efficiency of the iron sand.

However, the existing screening device adopts a single feed inlet, materials are stacked on the part of the feed inlet, which is vertically opposite to the screen, so that copper-based powder naturally slides after being stacked at a certain height, or the copper-based powder is uniformly distributed on the screen by adopting a roller spreading mode, the utilization rate of the filtering surface of the screen is improved, the blanking is slow in the natural sliding mode, the roller driving mode has higher pressure on the screen, and the screen is easy to damage.

Disclosure of Invention

The invention aims to provide a copper-based powder material high-efficiency grading and screening device to solve the technical problems.

In order to solve the technical problems, the invention adopts the following technical scheme: a copper-based powder material high-efficiency grading screening device comprises a screening cylinder, wherein a feeding pipe is arranged in the middle of the top end of the screening cylinder, the part, located in the screening cylinder, of the feeding pipe is connected with a control feeding mechanism, the control feeding mechanism is rotationally connected with a discharging mechanism, the discharging mechanism is rotationally connected with a gravity ball, a discharging plate is arranged below the gravity ball, the edge of the discharging plate is fixedly connected with the screening cylinder, the discharging plate comprises an outer circular hoop fixedly connected with the inner wall of the screening cylinder, an elastic lower material sheet is fixedly connected to the inner side of the outer circular hoop, the middle of the lower material sheet is fixedly connected with a material guide plate, the top of the material guide plate is fixedly connected with the discharging mechanism, a plurality of layers of screens are arranged below the material guide plate, and a discharging port is arranged below the non-layered;

through in the feed inlet below, the flitch is set up down above the screen cloth, and set up the gravity ball on the flitch down, the gravity ball rotates with unloading mechanism and is connected, unloading mechanism is connected with the feed mechanism transmission, utilize feed mechanism's motion to drive the gravity ball and move on flitch down, make powder raw materials can evenly fall, improve the utilization ratio of screen cloth filter surface, and then improve screening efficiency, the gravity ball constantly acts on the different positions of flitch down simultaneously, make the different punishment of feed plate unloading realize unloading simultaneously, and then improve screening efficiency.

Preferably, the blanking piece is circular, the blanking piece comprises a plurality of concentric bearing rings with trapezoidal vertical sections, and the bottom surfaces of the plurality of bearing rings are connected through a rib rope arranged along the diameter direction of the blanking plate;

the blanking pieces are arranged into a plurality of load-bearing rings with trapezoidal vertical sections and connected through reinforcing ropes, so that gaps between the load-bearing rings can be opened by deformation when pressure is borne, a blanking groove is formed, and fixed-point blanking is realized.

Preferably, the lower material piece and the reinforcing ropes are both made of rubber materials, and the vertical section of the bearing ring is in an isosceles trapezoid shape;

the cross-section is isosceles trapezoid's bearing ring can take place deformation downwards when receiving pressure, and the breach is opened and is formed the feed opening between the adjacent bearing ring, and can make bearing ring both sides all form the feed opening.

Preferably, the blanking mechanism comprises a ball shaft rotationally connected with the gravity ball, the ball shaft is fixedly connected with a rotating ring through a shaft bracket, a gear ring is arranged at the bottom end of the rotating ring, and the gear ring is in transmission connection with the feeding mechanism;

the ball shaft is connected with the gravity ball, so that the gravity ball can rotate around the axis of the lower material plate under the driving of the rotating ring, and uniform blanking is realized.

Preferably, the shaft bracket is arc-shaped, the radius of the arc-shaped shaft bracket is larger than that of the gravity ball, the bottom end of the shaft bracket is fixedly connected with the ball shaft, and the top end of the shaft bracket is fixedly connected with the top of the side surface of the rotating ring;

the ball shaft and the rotating ring are connected through the shaft bracket, so that the rotating ring can rotate and simultaneously drive the ball shaft to do circular motion by taking the axis of the rotating ring as the center.

Preferably, the inner side and the outer side of the rotating ring are respectively provided with a ball groove, and a ball is arranged in the ball groove;

the ball grooves are formed in the two sides of the rotating ring, and balls are arranged in the ball grooves, so that the rotating ring and the blanking plate are coaxial, and meanwhile, the friction resistance can be reduced.

Preferably, the feeding control mechanism comprises a wheel sleeve, the top end of the wheel sleeve is fixedly connected with the bottom end of the feeding pipe, an impeller which is rotatably connected with the wheel sleeve is arranged in the wheel sleeve, the impeller is fixedly connected with a wheel shaft which penetrates through the wheel sleeve, the end part of the wheel shaft penetrates through the ring frame and is rotatably connected with the ring frame, a tooth socket is arranged on the part, located in the ring frame, of the wheel shaft, and the tooth socket is in transmission connection with the blanking mechanism;

the feeding control mechanism is arranged in a mode that the impeller is connected with the wheel sleeve, and the impeller is driven to rotate by the gravity of powder, so that the discharging mechanism moves, and discharging control is realized.

Preferably, the wheel sleeve is in a hollow sphere shape with holes formed by transversely cutting the upper end and the lower end, the inner wall of the wheel sleeve is attached to blades of the impeller, the outer side of the wheel sleeve is fixedly connected with the ring frame, the material guide plate is fixedly connected to the bottom end of the wheel sleeve through an inclined rod, and the material guide plate is in a cone shape;

the wheel sleeve is a hollow sphere with openings at the upper end and the lower end, so that powder falling in the feeding pipe can directly fall on the blade at one side of the impeller, and the impeller rotates.

Preferably, the ring frame comprises an inner ring plate, the inner ring plate and the outer ring plate are coaxially and fixedly connected, and the tooth grooves are positioned between the inner ring plate and the outer ring plate;

the ring frame formed by the inner ring plate and the outer ring plate is used as a support frame for the rotation of the rotating ring, and a gear shaft in the ring frame is provided with a tooth socket matched with a gear ring at the bottom end of the sliding frame.

Preferably, a material guide plate is obliquely arranged in the feeding pipe, and a material channel is reserved between the material guide plate and the feeding pipe;

the material guide plate is arranged in the feeding pipe, so that powder can fall to one side of the impeller along the material guide plate, and the impeller can rotate under the action of the gravity of the powder.

The invention has the beneficial effects that:

1. the feeding mechanism and the discharging mechanism are controlled to be in transmission connection to drive the gravity ball to roll on the discharging plate, so that materials entering the discharging plate can be discharged at fixed points along with the rolling of the gravity ball, uniform discharging is realized, the utilization rate of a filter surface of the screen is improved, the screening speed is further improved, and the pressure on the screen caused by the fact that a roller directly acts on the screen is avoided;

2. the screen is formed by concentrically connecting a plurality of elastic circular rings with trapezoidal vertical sections, so that the screen can deform under the action of gravity to form gaps on two sides of the circular rings, and the purpose of blanking is achieved;

3. the gravity ball is connected with the rotating ring through the ball shaft and the shaft bracket, the rotating ring is in transmission connection with the feeding control mechanism, and the feeding control mechanism can drive the gravity ball to rotate around the axis of the rotating ring;

4. the feeding mechanism is controlled to be matched with a wheel sleeve through an impeller, a material guide plate is arranged in a feeding pipe at the top of the wheel sleeve, so that powder falls into one side of the impeller, and the feeding mechanism is driven to rotate through the gravity of the powder.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a sizing barrel of the present invention;

FIG. 3 is a half-sectional view of a blanking plate of the present invention;

FIG. 4 is a half-sectional view of a screen panel according to the present invention;

FIG. 5 is a schematic structural view of a blanking mechanism according to the present invention;

FIG. 6 is a schematic view of a partial structure of the swivel of the present invention;

FIG. 7 is a schematic structural diagram of a mechanism for controlling aggregate according to the present invention;

FIG. 8 is a cross-sectional view of the wheel cover of the present invention;

FIG. 9 is a schematic structural view of an impeller according to the present invention;

reference numerals: 1. a screening drum; 2. a feed pipe; 201. a material guide plate; 3. a side discharge hole; 4. a discharge hole at the bottom end; 5. a support leg; 6. controlling the feeding mechanism; 601. a wheel sleeve; 602. a ring frame; 6021. an outer ring plate; 6022. an inner ring plate; 603. a wheel axle; 6031. a tooth socket; 604. an impeller; 605. a material guide plate; 7. a blanking mechanism; 701. a gravity ball; 702. rotating the ring; 703. a pedestal; 704. a ball bearing; 705. a bead groove; 706. a ring gear; 8. a blanking plate; 801. an outer circular hoop; 802. feeding the material sheet; 8021. a load-bearing ring; 8022. a tendon; 9. screening a screen; 901. inclining the net rack; 902. and (5) netting wires.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.