CN112536441A

CN112536441A - Continuous extrusion forming device for metal powder

Info

Publication number: CN112536441A
Application number: CN202011202083.4A
Authority: CN
Inventors: 沈超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-03-23

Abstract

The invention discloses a metal powder continuous extrusion forming device which comprises a box body and a pressing rod, wherein a feeding pipe orifice is fixedly arranged on the left side wall of the box body, the pressing rod is connected to the upper side wall of the box body in a sliding mode, an extrusion disc is fixedly connected to the lower side wall of the pressing rod, a plurality of extrusion rods are fixedly connected to the lower side wall of the extrusion disc, the extrusion rods are connected with the side wall of the upper end of the feeding pipe orifice in a sliding mode, an extrusion collecting box is fixedly connected to the lower end of the feeding pipe orifice, the extrusion collecting box is connected with the left side wall of the box body through a supporting rod, a plurality of extrusion notches are formed in the upper. The invention realizes the operation of equal-density extrusion and automatic blanking of metal powder by the cooperation of the extrusion rod, the cutting mechanism, the blocking mechanism, the rotary baffle, the spring and the traction rope, and realizes the equal-length cutting and pushing functions after the metal powder is formed into blocks by utilizing the driving effect.

Description

Continuous extrusion forming device for metal powder

Technical Field

The invention relates to the technical field of metal extrusion, in particular to a metal powder continuous extrusion forming device.

Background

With the development of economic globalization, the development of heavy industry is an indispensable part of China, industrial production can be called industrial manufacturing, the industrial manufacturing in China refers to the industry for converting industrial products which can be used by people and available living building materials through the manufacturing process according to the main requirements of markets, at present, as the pillar industry of national economy in China, the heavy industry is one of the leading departments of economic growth in China and is used as an important support for the development of economic society, besides, the heavy industry is a main channel of urban employment in China and the specific embodiment of international competitiveness, wherein metal materials and metal alloy products produced by factories play an important role in people's life, and the extrusion collection and reuse of metal powder are more remarkable in importance.

By way of search, patent No. CN209334719U discloses another continuous extrusion molding apparatus for metal powder, which includes a block making machine, a block transporting machine, and a first continuous extruder. The second continuous extruder and the product collecting device realize continuous production from metal powder to finished products, particularly realize continuous preparation by metal powder for large-length continuous metal, have the benefits of powder metallurgy and continuous extrusion technology, and simultaneously omit a high-temperature sintering process.

However, manual discharging is often adopted in the discharging process of the conventional metal powder extrusion processing, manual cutting is also mostly adopted in the manual cutting processing, so that the operation of a machine is required to be stopped to perform manual discharging in the discharging process, the process is complicated, the extrusion efficiency is low, the density of the extrusion blocks is different, in addition, the extrusion blocks are required to be placed in the cutting process, then the machine is started to perform cutting processing, finally, collecting operation is required, the whole process is time-consuming and labor-consuming, the production efficiency is low, and in order to solve the problems, the metal powder continuous extrusion forming device is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a metal powder continuous extrusion forming device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a metal powder continuous extrusion forming device comprises a box body and a pressure rod, wherein a feeding pipe opening is fixedly arranged on the left side wall of the box body, the pressure rod is connected to the upper side wall of the box body in a sliding manner, an extrusion disc is fixedly connected to the lower side wall of the pressure rod, a plurality of extrusion rods are fixedly connected to the lower side wall of the extrusion disc, the extrusion rods are connected with the upper side wall of the feeding pipe opening in a sliding manner, an extrusion collecting box is fixedly connected to the lower end of the feeding pipe opening, the extrusion collecting box is connected with the left side wall of the box body through a support rod, a plurality of extrusion notches are formed in the upper side wall of the extrusion collecting box, a rotating plate cavity is formed in the right side wall of the extrusion notches, a first spring is fixedly connected to the upper side wall of the rotating plate cavity, a rotating baffle is rotatably connected, lateral wall and fixedly connected with barrier plate under the stop mechanism, extrusion collecting box left side inner wall fixedly connected with limiting plate, a plurality of spacing holes have been seted up to the limiting plate lateral wall, extrusion collecting box right side wall sliding connection has cutting mechanism, depression bar right side wall fixedly connected with drives the pole, two haulage ropes of lateral wall fixedly connected with under the drive pole, two haulage rope other ends and cutting mechanism lateral wall fixed connection, through ejection of compact mouth of pipe through connection between the lateral wall under extrusion collecting box downside left wall and the box.

Preferably, stop mechanism includes fixed connection in the case that blocks of extrusion collecting box upside inner wall, block case left side inner wall fixedly connected with second spring, the second spring right-hand member is fixed with blocks the piece, block a lateral wall and block incasement lateral wall sliding connection, block a front end semicircular structure, stop mechanism's setting can realize realizing under the condition of low pressure the effect of blockking to rotating barrier, realizes the abundant extrusion when extrudeing the powder, when having under the high pressure condition, block a barrier force and be less than pressure, block a setting of front end circular structure, with the curved setting of rotating barrier downside left wall, can stably realize the automatic discharging process of extrusion piece under the high pressure condition.

Preferably, the cutting mechanism comprises a cutting plate which is in sliding connection with the right side wall of the extrusion collection box, the right side wall of the cutting plate is fixedly connected with a third spring, the right side wall of the third spring is fixedly connected with the right side inner wall of the box body, the right side outer wall of the cutting plate is fixedly connected with the other end of the traction rope, the upper wall of the left side of the cutting plate is tightly attached to the lower side wall of the limiting plate, the lower side wall of the cutting plate is tightly attached to the lower side wall of the extrusion collection box, the cutting mechanism is arranged, the extrusion rod loosens the traction rope in the descending process, the third spring acts on the cutting plate to enable the cutting plate to slide leftwards, because the lower side wall of the limiting plate is tightly attached to the upper side wall of the cutting plate, the limiting and cutting effects on the extrusion block are realized, the tight fit of the lower side wall of the limiting block and the lower side wall of the extrusion collecting box can realize the pushing effect on the extrusion block which is cut in the last working procedure.

Preferably, the feeding pipe mouth adopts square structure, the feeding pipe mouth adopts anti extrusion material, when the extrusion piece pushed down, lateral wall can closely laminate with feeding pipe mouth upside outer wall under the briquetting dish to reach a limiting displacement, realize the purpose to metal powder's the equal depth extrusion.

Preferably, it is a plurality of the extrusion notch inside wall can slide and closely laminate with the extrusion stem lateral wall that corresponds under operating condition, the extrusion stem closely laminates with the extrusion notch and corresponds the structure of adaptation and can realize the high density extrusion to metal powder, realizes the compactness of metal blocking.

Preferably, it is a plurality of the centre of a circle of spacing hole and the extrusion notch that corresponds is on same vertical straight line, the distance is shorter between spacing hole and the extrusion notch that corresponds, spacing hole diameter slightly is greater than the extrusion notch, spacing hole is on same vertical straight line with the centre of a circle rather than the extrusion notch that corresponds, and spacing hole diameter slightly is greater than the structural design who extrudes the notch, can realize that the extrusion piece can stably drop to spacing hole when dropping, provides the guarantee for follow-up cutting operation.

Preferably, the second spring stiffness coefficient is smaller than the first spring stiffness coefficient, and the second spring stiffness coefficient is smaller than the first spring stiffness coefficient, so that the effect of the first spring on the pullback of the rotating baffle plate after the extrusion block is discharged under the high-pressure condition is greater than the effect of the second spring on the elasticity of the blocking block, and the effect of the automatic resetting of the rotating baffle plate after the discharge is realized.

Preferably, the cutting board upper end cutting piece is in the right side in the spacing hole of right-hand member, cutting board upper end cutting piece length is longer than lower extreme pushing jack length, the cutting piece and the pushing jack front end of cutting board all adopt three angular point end structures, the third spring is the high strength coefficient spring of high tolerance, be in compression state before third spring work begins, be in the spacing hole right-hand member on right-hand side under the cutting board upper end cutting piece initial state, the extrusion piece that gets into the spacing hole of right-hand member when having avoided the ejection of compact is blockked by the cutting piece, can't normally cut, and follow-up harm organism that piles up, the cutting piece is longer than the pushing jack and can realize the propelling movement effect to lower extreme cutting piece after the cutting, adopts three angular point end structures to realize the effect of cutting piece to the stable cutting of extrusion piece, has avoided the lower extreme pushing jack to break up the damage of extrusion piece after the cutting when the propelling movement.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can form a stable extrusion environment through the cooperation effect between the pressure lever, the extrusion notch, the rotary baffle, the spring and the blocking mechanism when the pressure lever performs reciprocating extrusion work, because the density between the metal powder is smaller, the blocking force of the rotary baffle is larger than the gravity of the metal powder and the thrust of the pressure lever, the metal powder in the extrusion notch gradually becomes blocks through the repeated reciprocating extrusion work, when the extrusion lever presses down again, the metal powder conveyed to the notch from the outside is extruded again, the length of the extrusion block is increased, the gravity is increased, the rotary baffle in the cavity of the rotary plate receives a downward force through the next pressing of the extrusion lever, the blocking block in the blocking mechanism starts to retract into the blocking box due to the thrust of the rotary baffle with the arc-shaped left end, the rotary baffle is opened, and the extrusion block realizes automatic discharging after high-density extrusion, through exerting equal pressure effect to and the setting of each stop gear and rotating damper's the same structure, realized every notch inside metal powder's isopycnic extrusion, and carry out automatic unloading when extrusion notch internal pressure is too big, the automatic effect of replying of rotating damper after the unloading.

2. The invention adopts the arrangement of the pressure lever, the limit plate, the limit hole, the traction rope, the cutting plate and the spring, when the compression bar drives the driving rod to move up and down, the two traction ropes start to loosen when descending, the third spring gives acting force for the left movement to the cutting board, and because the third spring is a spring with high durability, strong stiffness coefficient, the cutting board is subjected to larger elasticity, cutting the upper end and the lower end of the extrusion block in the moving process, pushing the cutting block at the lower end of the extrusion block, when the pressure lever moves upwards, the cutting board moves back at the same time, the cutting block at the upper end of the extrusion block loses the supporting force of the cutting board on the cutting board and falls off from the limiting board, when the next cutting is carried out, the lower end cutting block of the extrusion block cut next time is simultaneously pushed by the cutting plate, so that the driving effect of the pressing rod on the cutting plate is realized, and the purposes of stable equal-length cutting and automatic blanking of the metal powder extrusion block are achieved.

In conclusion, through the cooperation effect among the extrusion rod, the cutting mechanism, the blocking mechanism, the rotary baffle, the spring and the traction rope, the operation of equal-density extrusion and automatic blanking of metal powder is realized, and meanwhile, the effect of equal-length cutting and pushing after the metal powder is formed into blocks is realized by utilizing the driving effect.

Drawings

FIG. 1 is a schematic perspective view of a continuous extrusion molding apparatus for metal powder according to the present invention;

FIG. 2 is a schematic side view of a continuous extrusion molding apparatus for metal powder according to the present invention;

FIG. 3 is a schematic top view of a continuous extrusion molding apparatus for metal powder according to the present invention;

FIG. 4 is an enlarged view of the structure A of a continuous extrusion molding apparatus for metal powder according to the present invention;

FIG. 5 is an enlarged schematic view of the structure B of a continuous extrusion molding apparatus for metal powder according to the present invention;

FIG. 6 is a schematic perspective view of a rotary baffle of a continuous extrusion molding apparatus for metal powder according to the present invention;

FIG. 7 is a schematic perspective view of the internal structure of the extrusion collection box of the continuous extrusion molding apparatus for metal powder according to the present invention.

In the figure: the device comprises a box body 1, a pressure rod 2, a feeding pipe orifice 3, an extrusion disc 4, an extrusion rod 5, an extrusion collecting box 6, a supporting rod 7, an extrusion notch 8, a rotating plate cavity 9, a first spring 10, a rotating baffle 11, a stop plate 12, a limit plate 13, a limit hole 14, a discharge pipe orifice 15, a stop box 16, a second spring 17, a stop block 18, a cutting plate 19, a third spring 20, a driving rod 21 and a traction rope 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a metal powder continuous extrusion forming device, comprising a box body 1, a pressure bar 2, a feeding pipe orifice 3 fixedly installed on the left side wall of the box body 1, the pressure bar 2 slidably connected to the upper side wall of the box body 1, an extrusion tray 4 fixedly connected to the lower side wall of the pressure bar 2, a plurality of extrusion rods 5 fixedly connected to the lower side wall of the extrusion tray 4, the extrusion rods 5 slidably connected to the upper side wall of the feeding pipe orifice 3, an extrusion collection box 6 fixedly connected to the lower end of the feeding pipe orifice 3, the extrusion collection box 6 connected to the left side wall of the box body 1 through a support bar 7, a plurality of extrusion notches 8 formed on the upper side wall of the extrusion collection box 6, a rotating plate cavity 9 formed on the right side wall of the extrusion notch 8, a first spring 10 fixedly connected to the upper side wall of the inner side wall of the rotating plate cavity 9, a rotating baffle 11 rotatably connected to, lateral wall and fixedly connected with barrier plate 12 under the stop mechanism, 6 left side inner wall fixedly connected with limiting plate 13 of extrusion collecting box, a plurality of spacing holes 14 have been seted up to limiting plate 13 lateral wall, 6 right side wall sliding connection of extrusion collecting box has cutting mechanism, 2 right side wall fixedly connected with of depression bar drive pole 21, drive two haulage ropes 22 of lateral wall fixedly connected with under the pole 21, two haulage rope 22 other ends and cutting mechanism lateral wall fixed connection, through ejection of compact mouth of pipe 15 through connection between 6 downside left side walls of extrusion collecting box and the 1 downside wall of box.

The blocking mechanism comprises a blocking box 16 fixedly connected to the inner wall of the upper side of the extrusion collecting box 6, a second spring 17 is fixedly connected to the inner wall of the left side of the blocking box 16, a blocking block 18 is fixed to the right end of the second spring 17, the outer side wall of the blocking block 18 is connected with the inner side wall of the blocking box 16 in a sliding mode, and the front end of the blocking block 18 is of a semicircular structure.

Cutting mechanism includes cutting board 19 with 6 right sides wall sliding connection of extrusion collecting box, 19 right sides wall fixedly connected with third spring 20 of cutting board, the right side wall of

third spring

20 and 1 right side inner wall fixed connection of box, 19 right side outer walls of cutting board and haulage rope 22 other end fixed connection, 19 left side upper walls of cutting board and the 13 lower side walls of limiting plate closely laminate, cutting board 19 lower side walls and the 6 lower side walls of extrusion collecting box closely laminate.

The feeding pipe mouth 3 adopts a square structure, the feeding pipe mouth 3 adopts an anti-extrusion material, a plurality of extrusion notch 8 inner side walls and corresponding 5 outer side walls of the extrusion rod can slide and tightly fit under the working state, a plurality of limiting holes 14 and the circle centers of the corresponding extrusion notch 8 are on the same vertical straight line, the distance between the limiting holes 14 and the corresponding extrusion notch 8 is short, the diameter of the limiting holes 14 is slightly larger than that of the extrusion notch 8, the stiffness coefficient of the second spring 17 is smaller than that of the first spring 10, the upper-end cutting piece of the cutting plate 19 is positioned on the right side of the rightmost limiting hole 14, the length of the upper-end cutting piece of the cutting plate 19 is longer than that of the lower-end pushing piece, the cutting piece of the cutting plate 19 and the front end of the pushing piece all adopt a triangular tip structure, the third spring 20 is a high-tolerance strength coefficient spring, and the third spring 20 is in.

The specific working implementation principle of the invention is as follows:

before the work begins, a plurality of extrusion rods 5 are not in contact with the corresponding extrusion notches 8, a large through hole is reserved between the upper portion and the lower portion, the first spring 10 and the second spring 17 are in a normal state, and the third spring 20 is in a compressed state.

Switch on, material feeding unit begins to carry out the defeated material operation to feed pipe mouth 3 this moment (this is prior art, not repeated in detail), metal powder drops to extrusion notch 8 at the in-process of defeated material, because defeated material volume is greater than extrusion notch 8's diameter far away, rear end notch also can carry out metal powder's packing when current end notch is filled, when powder is filled up when extrusion notch is inside this moment, the total power of metal powder that rotating barrier 11 receives is less than blocking mechanism's power, rotating barrier 11 can not take place to remove.

When the material conveying device is started for one minute, the power supply of the extrusion pump is connected, the extrusion pump starts to perform reciprocating extrusion work through the pressure rod 2 (the prior art is not described in detail), because the density among the metal powder is small, the blocking force of the rotary baffle plate 11 is greater than the gravity of the metal powder and the thrust of the pressure rod 2, a stable extrusion environment can be formed, the metal powder in the extrusion notch 8 gradually becomes blocks through the repeated extrusion work, when the extrusion rod 5 is pressed down again, the metal powder conveyed to the outside in the notch is extruded again, the length of the extrusion block is increased, the gravity is increased, the rotary baffle plate 11 in the rotary plate cavity 9 receives a downward force through the pressing down of the next extrusion rod 5, the blocking block 18 in the blocking mechanism starts to retract into the blocking box 16 due to the thrust of the rotary baffle plate 11 with the arc-shaped left end, and the rotary baffle plate 11 is opened, extrusion piece has realized automatic ejection of compact behind the high density extrusion, because the setting of barrier plate 12, barrier plate 12 forms a stable gliding passageway with whirl baffle 11, again because the centre of a circle of a plurality of spacing holes 14 that set up in the extrusion collecting box 6 and the extrusion notch 8 that corresponds is on same vertical straight line, and the extrusion piece gets into the spacing hole 14 that corresponds under the thrust effect of gravity and depression bar 2, the extrusion piece upper end is in limiting plate 13 this moment, the extrusion piece lower extreme closely laminates with 6 downside inner walls of extrusion collecting box.

Because the third spring 20 is in a compressed state when starting to work, the pulling ropes 22 are in a tightened state, when the work starts, the pressing rod 2 drives the driving rod 21 to move up and down, the two pulling ropes 22 start to loosen when descending, the third spring 20 gives the cutting plate 19 an acting force moving left, because the third spring 20 is a high-tolerance high-stiffness coefficient spring, the cutting plate 19 receives a larger elastic force, the upper end and the lower end of the extrusion block are cut in the moving process, and the cutting plate at the lower end of the extrusion block is pushed, when the pressing rod 2 moves upwards, the cutting plate 19 simultaneously performs return movement, the cutting block at the upper end of the extrusion block loses the supporting force of the cutting plate 19 on the cutting plate, the extrusion block falls from the limiting plate 13, and when the next cutting is performed, the cutting block at the lower end of the extrusion block cut next time and the pushing effect of the cutting plate 19 are simultaneously performed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a continuous extrusion device of metal powder, includes box (1), depression bar (2), its characterized in that: the box body (1) is fixedly provided with a feeding pipe orifice (3) on the left side wall, the compression rod (2) is connected with the upper side wall of the box body (1) in a sliding manner, the lower side wall of the compression rod (2) is fixedly connected with an extrusion disc (4), the lower side wall of the extrusion disc (4) is fixedly connected with a plurality of extrusion rods (5), the extrusion rods (5) are connected with the upper side wall of the feeding pipe orifice (3) in a sliding manner, the lower end of the feeding pipe orifice (3) is fixedly connected with an extrusion collection box (6), the extrusion collection box (6) is connected with the left side wall of the box body (1) through a support rod (7), the upper side wall of the extrusion collection box (6) is provided with a plurality of extrusion notches (8), the right side wall of the extrusion notches (8) is provided with a rotating plate cavity (9), the upper side wall of the inner side wall of the rotating, wall fixed connection on first spring (10) and rotating baffle (11), extrusion notch (8) lower extreme left side wall fixedly connected with stop mechanism, lateral wall and fixedly connected with stop plate (12) under the stop mechanism, extrusion collecting box (6) left side inner wall fixedly connected with limiting plate (13), a plurality of spacing holes (14) have been seted up to limiting plate (13) lateral wall, extrusion collecting box (6) right side wall sliding connection has cutting mechanism, depression bar (2) right side wall fixedly connected with area link pole (21), two haulage rope (22) of side wall fixedly connected with under drive link pole (21), two haulage rope (22) other end and cutting mechanism lateral wall fixed connection, through ejection of compact mouth of pipe (15) through connection between extrusion collecting box (6) downside left side wall and box (1) the lower side wall.

2. The continuous extrusion molding apparatus of metal powder as set forth in claim 1, wherein: the blocking mechanism comprises a blocking box (16) fixedly connected to the upper side inner wall of the extrusion collecting box (6), the inner wall of the left side of the blocking box (16) is fixedly connected with a second spring (17), a blocking block (18) is fixed to the right end of the second spring (17), the outer side wall of the blocking block (18) is connected with the inner side wall of the blocking box (16) in a sliding mode, and the front end of the blocking block (18) is of a semicircular structure.

3. The continuous extrusion molding apparatus of metal powder as set forth in claim 1, wherein: cutting mechanism includes cutting board (19) with extrusion collecting box (6) right side wall sliding connection, cutting board (19) right side wall fixedly connected with third spring (20), third spring (20) right side wall and box (1) right side inner wall fixed connection, cutting board (19) right side outer wall and haulage rope (22) other end fixed connection, cutting board (19) left side upper wall closely laminates with limiting plate (13) lower side wall, cutting board (19) lower side wall closely laminates with extrusion collecting box (6) lower side wall.

4. The continuous extrusion molding apparatus of metal powder as set forth in claim 1, wherein: the feeding pipe mouth (3) adopts a square structure, and the feeding pipe mouth (3) adopts an anti-extrusion material.

5. The continuous extrusion molding apparatus of metal powder as set forth in claim 1, wherein: a plurality of the inner side walls of the extrusion notches (8) and the corresponding outer side walls of the extrusion rods (5) can slide and tightly fit in a working state.

6. The continuous extrusion molding apparatus of metal powder as set forth in claim 1, wherein: a plurality of spacing hole (14) and the centre of a circle of the extrusion notch (8) that corresponds are on same vertical straight line, the distance is shorter between spacing hole (14) and the extrusion notch (8) that corresponds, spacing hole (14) diameter slightly is greater than extrusion notch (8).

7. The continuous extrusion molding apparatus of metal powder as set forth in claim 2, wherein: the stiffness coefficient of the second spring (17) is smaller than the stiffness coefficient of the first spring (10).

8. The continuous extrusion molding apparatus of metal powder as set forth in claim 3, wherein: under the condition that the cutting board does not start to work, the cutting blade at the upper end of the cutting board (19) is positioned on the right side of the rightmost limiting hole (14), the length of the cutting blade at the upper end of the cutting board (19) is longer than that of the pushing blade at the lower end, the cutting blade and the front end of the pushing blade of the cutting board (19) both adopt a triangular tip structure, the third spring (20) is a high-durability strong coefficient spring, and the third spring (20) is in a compression state before the work starts.