CN211990931U

CN211990931U - Continuous extrusion forming device for metal powder

Info

Publication number: CN211990931U
Application number: CN201921946539.0U
Authority: CN
Inventors: 田和刚
Original assignee: Ningxia Ruibaowei New Material Technology Co ltd
Current assignee: Ningxia Ruibaowei New Material Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-11-24
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a metal powder continuous extrusion forming device, which comprises a machine table, wherein a conveyor belt is arranged on the machine table, the upper half part of the conveyor belt is positioned on the top surface of the machine table and is attached to the top surface of the machine table, the lower half part of the conveyor belt is positioned inside the machine table, and driving rollers positioned at the inner sides of the conveyor belt are arranged at two sides of the machine table; the machine table is also provided with an extrusion box, the extrusion box is sleeved outside the conveyor belt, the top in the extrusion box is provided with a hydraulic cylinder, and a lifting plate which is in sliding connection with the inner wall of the extrusion box is arranged below the hydraulic cylinder; this device is carrying out metal powder's extrusion during operation, and the metal powder raw materials gets into the extrusion tank in, moves to the extrusion tank in through the conveyer belt, and when in the extrusion tank, through pneumatic cylinder drive lifter plate decline for the stripper bar extrudees metal powder in getting into the extrusion tank downwards, and because the length of stripper bar increases in proper order, makes the extrusion process step by step, and can carry out continuous extrusion work, improves the efficiency of processing greatly.

Description

Continuous extrusion forming device for metal powder

Technical Field

The utility model relates to a metal processing technology specifically is a metal powder continuous extrusion device.

Background

The traditional metal powder metallurgy is a process for manufacturing finished products and metal materials by using various metal powders as raw materials through press forming, sintering and necessary subsequent treatment; in the 30 s of the 20 th century, porous oil-retaining bearings were successfully manufactured by a metal powder metallurgy process, and with the application of cheap iron powder, the powder metallurgy process began to be applied in industrial fields such as automobiles, textiles and the like on a large scale; with the rapid development of the industry, the requirements on raw materials are higher and higher, and the traditional manufacturing process cannot meet the requirements of the modern industry; because the granular material or the rod material is a blank, the prior art can not directly carry out continuous extrusion production by taking powder as a raw material.

Chinese patent publication No. CN209334719U proposes a continuous extrusion molding apparatus for metal powder, which employs a reciprocating grooved plate to perform continuous metal powder extrusion, and has a significant problem in that although certain continuity can be ensured during extrusion of metal powder, the extrusion process is single extrusion, which often cannot ensure yield, so that the rework rate is increased, and the processing efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous extrusion device of metal powder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a metal powder continuous extrusion forming device comprises a machine table, wherein a conveyor belt is arranged on the machine table, the upper half part of the conveyor belt is positioned on the top surface of the machine table and is attached to the top surface of the machine table, the lower half part of the conveyor belt is positioned in the machine table, and driving rollers positioned on the inner sides of the conveyor belt are arranged on two sides of the machine table; still be equipped with the extrusion case on the board, the extrusion case suit is in the conveyer belt outside, top is equipped with the pneumatic cylinder in the extrusion case, the pneumatic cylinder below be equipped with extrusion case inner wall sliding connection's lifter plate, lifter plate and pneumatic cylinder pass through the telescopic link transmission and connect, be equipped with a plurality of extrusion grooves on the conveyer belt, interval between two adjacent extrusion grooves is the same, be equipped with a plurality of stripper bars in the lifter plate bottom, interval between two adjacent stripper bars is the same, and the length of stripper bar increases from a left side to the right side in proper order.

Extrusion case side is equipped with the feeder, the feeder includes the workbin, and workbin side upper portion is equipped with the feed supplement mouth, is equipped with the feeding motor at the workbin top, and the output of feeding motor is connected with the threaded rod that is located the workbin, and the threaded rod surface has the thread groove, is equipped with discharging channel in the workbin lower part, and discharging channel is cylindrical and the suit in the threaded rod lower half outside, is equipped with the discharge gate with discharging channel butt joint bottom the workbin, and the discharge gate is the fill form of binding off downwards.

As the preferred scheme of the utility model: be equipped with driving motor at the lifter plate end, driving motor's output is connected with the dwang, and the dwang is the same with longest extrusion stem length, still is equipped with the balancing piece above the lifter plate front end and is used for guaranteeing lifter plate both sides weight balance.

Compared with the prior art, the beneficial effects of the utility model are that: this device is carrying out metal powder's extrusion during operation, and the metal powder raw materials gets into the extrusion tank in, moves to the extrusion tank in through the conveyer belt, and when in the extrusion tank, through pneumatic cylinder drive lifter plate decline for the stripper bar extrudees metal powder in getting into the extrusion tank downwards, and because the length of stripper bar increases in proper order, makes the extrusion process step by step, and can carry out continuous extrusion work, improves the efficiency of processing greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the middle extrusion box of the present invention.

Fig. 3 is a perspective view of the middle conveyor belt of the present invention.

In the figure, 1-machine table, 2-conveyor belt, 3-driving roller, 4-feeder, 5-bin, 6-feeding port, 7-feeding motor, 8-threaded rod, 9-discharging channel, 10-discharging port, 11-extrusion box, 12-hydraulic cylinder, 13-lifting plate, 14-extrusion rod, 15-driving motor, 16-rotating rod, 17-balancing piece and 18-extrusion groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a continuous extrusion molding device for metal powder comprises a machine table 1, wherein a conveyor belt 2 is arranged on the machine table 1, the upper half part of the conveyor belt 2 is positioned on the top surface of the machine table 1 and is attached to the top surface of the machine table 1, the lower half part of the conveyor belt 2 is positioned inside the machine table 1, driving rollers 3 positioned on the inner sides of the conveyor belt 2 are arranged on two sides of the machine table 1, and the conveyor belt 2 is driven to run by the driving rollers 3; the machine table 1 is also provided with an extrusion box 11, the extrusion box 11 is sleeved outside the conveyor belt 2, a hydraulic cylinder 12 is arranged at the top in the extrusion box 11, a lifting plate 13 which is connected with the inner wall of the extrusion box 11 in a sliding manner is arranged below the hydraulic cylinder 12, the lifting plate 13 is connected with the hydraulic cylinder 12 through a telescopic rod in a transmission manner, a plurality of extrusion grooves 18 are arranged on the conveyor belt 2, the distance between every two adjacent extrusion grooves 18 is the same, a plurality of extrusion rods 14 are arranged at the bottom of the lifting plate 13, the distance between every two adjacent extrusion rods 14 is the same, the lengths of the extrusion rods 14 are sequentially increased from left to right, when metal powder is extruded, metal powder raw materials enter the extrusion grooves 18 and move into the extrusion box 11 through the conveyor belt 2, when in the extrusion box 11, the lifting plate 13 is driven to descend through the hydraulic cylinder 12, so that the extrusion rods 14 downwards enter the extrusion grooves, and the extrusion process is progressive due to the sequential increase of the length of the extrusion rods 14, and continuous extrusion work can be performed, and the conveyor belt 2 runs intermittently in the extrusion process to ensure that the extrusion rods 14 are aligned with the extrusion grooves 18.

The extrusion case 11 side is equipped with feeder 4, feeder 4 includes workbin 5, workbin 5 side upper portion is equipped with feed supplement mouth 6, be equipped with feeding motor 7 at workbin 5 top, feeding motor 7's output is connected with the threaded rod 8 that is located workbin 5, threaded rod 8 surface has the thread groove, lower part is equipped with discharging channel 9 in workbin 5, discharging channel 9 is cylindrical and suit in the threaded rod 8 lower half outside, be equipped with discharge gate 10 with discharging channel 9 butt joint bottom workbin 5, discharge gate 10 is the hopper form of binding off downwards, when carrying the metal powder raw materials in extrusion groove 18, start feeding motor 7, threaded rod 8 rotates, metal powder gets into the thread groove on threaded rod 8, and transport downwards under the rotation of threaded rod 8, export downwards by discharging channel 9 and discharge gate 10, single transport capacity can accurate control, avoiding the waste of raw materials.

After extrusion, the formed part in the extrusion groove 18 enters the machine table 1 under the driving of the conveyor belt 2, and falls down to enter a collecting device in the machine table 1, so that processing is completed.

Example 2:

on embodiment 1's basis, in order to further ensure the extrusion effect, be equipped with driving motor 15 at lifter plate 13 end, driving motor 15's output is connected with dwang 16, dwang 16 is the same with longest extrusion stem 14 length, still be equipped with balancing piece 17 in lifter plate 13 front end top and be used for guaranteeing lifter plate 13 both sides weight balance, in carrying out the extrusion process, rearmost extrusion groove 18 is after extruding through longest extrusion stem 14, can receive the extrusion of dwang 16 again, and dwang 16 still can rotate through driving motor 15 drive in extrusion process, and then rotate the extrusion to metal powder, guarantee the planarization of extrusion rear surface.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A metal powder continuous extrusion forming device comprises a machine table (1), wherein a conveyor belt (2) is arranged on the machine table (1), and is characterized in that the upper half part of the conveyor belt (2) is positioned on the top surface of the machine table (1) and is attached to the top surface of the machine table (1), the lower half part of the conveyor belt (2) is positioned inside the machine table (1), and driving rollers (3) positioned on the inner side of the conveyor belt (2) are arranged on two sides of the machine table (1); still be equipped with squeeze box (11) on board (1), squeeze box (11) suit is in conveyer belt (2) outside, top is equipped with pneumatic cylinder (12) in squeeze box (11), pneumatic cylinder (12) below is equipped with lifter plate (13) with squeeze box (11) inner wall sliding connection, lifter plate (13) and pneumatic cylinder (12) are connected through the telescopic link transmission, be equipped with a plurality of extrusion grooves (18) on conveyer belt (2), interval between two adjacent extrusion grooves (18) is the same, be equipped with a plurality of stripper bars (14) bottom lifter plate (13), interval between two adjacent stripper bars (14) is the same, and the length of stripper bar (14) increases from a left side to the right side in proper order.

2. The continuous extrusion forming device for the metal powder as claimed in claim 1, wherein a feeder (4) is arranged on the side surface of the extrusion box (11), the feeder (4) comprises a material box (5), a material supplementing opening (6) is arranged on the upper portion of the side surface of the material box (5), a feeding motor (7) is arranged at the top of the material box (5), an output end of the feeding motor (7) is connected with a threaded rod (8) located in the material box (5), a threaded groove is formed in the surface of the threaded rod (8), a discharging channel (9) is arranged on the lower portion in the material box (5), the discharging channel (9) is cylindrical and sleeved on the outer side of the lower half portion of the threaded rod (8), and a discharging opening (10) which is butted with the discharging channel (9.

3. The continuous extrusion molding apparatus for metal powder as claimed in claim 2, wherein the discharge port (10) is formed in a downwardly converging funnel shape.

4. The continuous extrusion molding apparatus of metal powder as claimed in claim 1 or 2, wherein a driving motor (15) is provided at the end of the elevating plate (13), and a rotating rod (16) is connected to the output end of the driving motor (15), and the rotating rod (16) has the same length as the longest extrusion rod (14).

5. The continuous extrusion molding apparatus for metal powder as claimed in claim 4, wherein a balance member (17) is further provided above the front end of the elevating plate (13) for ensuring a weight balance between both sides of the elevating plate (13).