CN212664406U

CN212664406U - Powder recovery mechanism for powder metallurgy pressed product

Info

Publication number: CN212664406U
Application number: CN202022161051.6U
Authority: CN
Inventors: 曹文平
Original assignee: Day Gain Xiamen Special Alloy Products Co ltd
Current assignee: Day Gain Xiamen Special Alloy Products Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-03-09
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a powder recovery mechanism of powder metallurgy pressing product, it includes: the support with the supporting seat, the carousel of setting on the support top, connect the motor of carousel, and inhale whitewashed mechanism, form rotatory lane on the carousel, the opening of the entry intercommunication slide of rotatory lane, the export of rotatory lane is equipped with first arc baffle, inhale whitewashed mechanism and include the dust catcher and inhale the powder pipe, inhale the one end of powder pipe and connect the dust catcher, inhale the other end of powder pipe towards the carousel, and the carousel with inhale and form between the powder pipe and inhale the powder space, should inhale the powder pipe and fix on the supporting seat of support, and inhale whitewashed mouth and rotatory lane corresponding of inhaling of powder pipe. The utility model discloses can improve the clear powder efficiency of powder metallurgy pressing product, and clear powder is effectual, the difficult damage of product.

Description

Powder recovery mechanism for powder metallurgy pressed product

Technical Field

The utility model relates to a technical field of powder metallurgy pressing product especially indicates a powder recovery mechanism of powder metallurgy pressing product.

Background

Powder metallurgy is an industrial technology for preparing metal powder or preparing metal materials, composite materials and various products by using metal powder (or a mixture of metal powder and nonmetal powder) as a raw material and performing die-casting forming and sintering. The powder metallurgy technology has a series of advantages of remarkable energy saving, material saving, excellent performance, high product precision, good stability and the like, and is very suitable for mass production.

In the production process of the powder metallurgy pressing die, a lot of redundant powder can be attached to the surface of a product, so that the surface of the product is dirty, and the powder is wasted. Therefore, need to clear powder and recovery processing to the powder metallurgy product after the die-casting, current processing mode utilizes the prior patent of the utility model that applicant applied for, and patent number ZL201521065658.7, the name is a powder recovery unit who is used for powder metallurgy embossing mold inhales the powder to the pressfitting, and the device includes: the device comprises a slideway, a stacking tray and a dust collector; the tail end of the slide way is arranged in the accommodating space of the material stacking plate; the dust collection port of the dust collector is arranged in the accommodating space of the stacking plate, and the dust collector rotates around the stacking plate, so that the dust collection port rotates in the accommodating space of the stacking plate; one end of the stacking plate, which is far away from the slide way, is provided with an opening end, the opening end is provided with an alarm device, and when a product is arranged at the opening end, the alarm device gives a full-material prompt; the powder recovery device is characterized by further comprising a blowing hose, wherein one end of the blowing hose is connected with the air blower, the other end of the blowing hose is an air outlet, and powder outside the powder recovery device is blown into the accommodating space of the material stacking plate. The powder recovery device sucks powder around the stacking tray through the dust collector, the defect of missed suction exists, the integral structure of the dust collector rotating around the material pushing tray is complex, and faults are easy to occur in the powder sucking process; secondly, the pressed product slides into the material pushing plate from the slideway and is easy to form accumulation, powder is not easy to absorb, the products collide with each other and easily generate flaws, the accumulated pressed product needs to be manually pushed open, and a dust collector can absorb the powder; moreover, the existing powder recovery device adopts a blowing hose to fold the dust outside the device to a material piling disc, and the dust is removed by a dust collector, so that the powder is easy to fly, and the powder recovery device is not beneficial to the health of workers. Therefore, the existing powder recycling device for powder metallurgy pressing dies still has many defects and inconveniences when in use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide one kind and can improve the clear powder efficiency of powder metallurgy pressing product, and clear powder effectual, the difficult cleaning device of powder metallurgy pressing product of damage of product.

In order to achieve the above purpose, the solution of the present invention is:

a powder recovery mechanism for a powder metallurgical compact, comprising:

the bracket is provided with a supporting seat;

the rotary table is arranged at the top end of the support, a rotary passage is formed on the rotary table, an inlet of the rotary passage is communicated with an opening of a slide way, a first arc-shaped guide plate is arranged at an outlet of the rotary passage, the slide way is obliquely connected with the pressing die and the rotary table, and a gap is formed between the lower end of the slide way and the rotary table;

the motor is fixed on the bracket, and an output shaft of the motor is connected with a rotating shaft of the rotating disc; and

and the powder suction mechanism comprises a dust collector and a powder suction pipe, one end of the powder suction pipe is connected with the dust collector, the other end of the powder suction pipe faces the rotary table, a powder suction space is formed between the rotary table and the powder suction pipe, the powder suction pipe is fixed on the support seat of the support, and a powder suction port of the powder suction pipe corresponds to the rotary passage.

The powder recovery mechanism for the powder metallurgy pressed product also comprises a second arc-shaped guide plate, one end of the first arc-shaped guide plate is fixed on one side of the support seat of the support corresponding to the slideway, or is directly fixed on one side of the slideway, and the other end of the first arc-shaped guide plate is provided with a first arc corresponding to the opening of the slideway; the second arc-shaped guide plate is arranged on the supporting seat corresponding to the other side of the slide way or is directly fixed on the other side of the slide way, the second arc-shaped guide plate is provided with a second arc deviating from the slide way, and the rotating channel is formed between the first arc of the first arc-shaped guide plate and the second arc of the second arc-shaped guide plate.

After the structure of the oil adding device is adopted, the utility model discloses powder recovery mechanism of powder metallurgy goods is through setting up rotatory passageway, and the entry intercommunication slide in rotatory passageway makes the powder metallurgy pressing product from the slide landing can both follow the rotatory passageway and carry out the clear powder processing to inhaling the powder space of inhaling powder mechanism, can not have the situation of leaking the clearance, compare in current dust catcher round pushing away the charging tray and rotate, the utility model discloses a clear powder effect is efficient, and clear powder effect is also better. The product after powder cleaning is moved out of the rotating channel from the first arc-shaped guide plate, so that the influence of the occupied rotating channel on the product without powder cleaning is avoided; additionally, the utility model discloses changing current windrow plate structure into the carousel structure, the product directly turns away through the carousel after sliding from the slide, can not collide with powder metallurgy pressing product afterwards, compares in current fixed windrow board, the utility model discloses a can not harm because of the collision between each powder metallurgy pressing product, also overcome simultaneously and piled up each other between the product and cause to inhale the not good defect of powder effect.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is a schematic top view of the preferred embodiment of the present invention.

Fig. 3 is a schematic side view of the preferred embodiment of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to fig. 3, a preferred embodiment of a powder recycling mechanism for powder metallurgy pressed products according to the present invention includes a support 1, a slide 2, a turntable 3, a motor 4, and a powder suction mechanism 5.

The interval of support 1 sets up the one side at the embossing die, carousel 3 sets up the top at support 1, and support 1 corresponds the periphery of carousel 3 and is equipped with the wall 11 that keeps off that is higher than carousel 3, and the one end that keeps off wall 11 is equipped with opening 12, still is equipped with a supporting seat 13 on support 1, and the fixed setting in the double-phase opposite end that keeps off wall 11 in the both ends of 13 of supporting seat, and the middle part of supporting seat 13 is equipped with the slide fixing base 14 that is used for fixed slide 2. The bracket 1 is also provided with a material placing plate 15 deviating from the turntable 3 at the position of the opening 12 of the blocking wall 11, and the material placing plate 15 is provided with a sanding plate 16. The bracket 1 is provided with a sensor 17 communicated with the press mold control switch and the motor 4 at the opening 12.

The slide 2 is obliquely connected with the pressing die and the turntable 3 and comprises an upper slide 21 and a lower slide 22, the upper end of the upper slide 21 is fixed with the lower die of the pressing die, so that the upper end of the upper slide 21 can move up and down along with the lower die of the pressing die, the lower end of the upper slide 21 is rotatably hinged with the upper end of the lower slide 22, the lower end of the lower slide 22 is fixed on the blocking wall 11 of the bracket 1 and/or the slide fixing seat 14, and the lower end opening of the lower slide 22 is positioned on one side of the middle part of the turntable 3 at intervals, so that the lower slide 22 cannot rotate along with the turntable 3. The connecting end of the upper slideway 21 and the lower slideway 22 is positioned outside the blocking wall 11 of the bracket 1, the bottom surface of the lower slideway 22 leans against the blocking wall 11 of the bracket 1, and the upper slideway 21 and the lower slideway 22 are connected with the pressing die and the turntable 3 in an inclined manner. In order to better protect products, a layer of soft cushion 23 is further arranged at the joint of the upper slideway 21 and the pressing die, a plurality of powder falling holes are further arranged on the upper slideway 21 to form a powder falling area 24, and the bottom end of the powder falling area 24 is provided with a drawable powder collecting groove 25. In order to further protect the powder metallurgy compact, sponge may be disposed on the inner walls of both sides of the upper and

lower runners

21, 22.

The motor 4 is fixed on the support 1 and is positioned at the bottom end of the rotary table 3, and an output shaft of the motor 4 is connected with a rotary shaft of the rotary table 3, so that the rotary table 3 can be driven to rotate when the motor 4 operates.

The tip correspondence of glide slope 22 is located carousel 3 center one side, still be equipped with soft first arc baffle 6 on the outside of glide slope 22 or the slide fixing base 14, the lateral wall at glide slope 22 or the fixed one side that sets up at slide fixing base 14 are fixed to the one end of first arc baffle 6, the other end of first arc baffle 6 has the first circular arc 61 that corresponds the glide slope 22 open-ended, the other end of glide slope 22 or slide fixing base 14 is equipped with soft second arc baffle 7, second arc baffle 7 has the second circular arc 71 that deviates from glide slope 22, form the rotatory lane A that passes through that supplies the metallurgical pressfitting of powder to pass through between first circular arc 61 and the second circular arc 72.

In order to make the powder metallurgy pressed product enter the rotating passage A in the best state, the inner walls of the two sides of the lower slideway 22 are also provided with a curve-shaped buffer guide plate 26, the buffer guide plate 26 comprises a buffer area 261 extending towards the center direction of the lower slideway 22 and a guide area 262 arranged towards the first arc 61 of the first arc-shaped guide plate 6, the buffer area 261 and the guide area 262 are in arc transition to form the curve shape, when the powder metallurgy pressed product is pushed out by a pressing die and falls into the slideway 2, because the slide is the slope setting, gliding speed can be faster and faster, if not set up buffering baffle 26, the powder metallurgy pressfitting roll-off glide slope 22 can back strike first arc baffle 6 rapidly, except that can reduce the life of first arc baffle 6, need frequently change first arc baffle 6 outside, also easy because of the speed is rebound behind the first arc baffle 6 and is strikeed the glide slope 22 too fast, causes the product damage. After setting up buffering baffle 26, powder metallurgy pressfitting can cushion the deceleration through the buffers 261 of buffering baffle 26 when following last slide 21 gliding to buffering baffle 26, later along guide area 262 roll-off glide slope 22, avoids striking first arc baffle 6 hard, avoids striking rebound behind the first arc baffle 6 and damage the product simultaneously.

The powder suction mechanism 5 comprises a dust collector 51 and a powder suction pipe 52, one end of the powder suction pipe 52 is connected with the dust collector 51, the other end of the powder suction pipe 52 faces the rotary table 3, a powder suction space is formed between the rotary table 3 and the powder suction pipe 52, the powder suction space is slightly larger than the height of a pressed product, the powder suction pipe 52 is fixed on the support base 13 of the support 1, and a powder suction port of the powder suction pipe 52 corresponds to the rotary passage A. When the powder metallurgy pressed product slides up and down to the rotating disc 3 from the slideway 2, the rotating disc 3 can drive the powder metallurgy pressed product to rotate along the first arc-shaped guide plate 6 and then rotate along the second arc-shaped guide plate 7, so that the powder metallurgy pressed product sliding down from the lower slideway 22 always rotates from the rotating passage A, and then passes through the powder suction space of the powder suction pipe 52, the powder suction pipe 52 sucks redundant powder on the powder metallurgy pressed product, when the powder metallurgical compact is rotated to the first arc-shaped guide plate 6, it is deviated from the rotation passage a along the outer peripheral wall of the first arc-shaped guide plate 6, therefore, the rotary passage A can be ensured not to be occupied by the cleaned powder metallurgy pressing products, the powder metallurgy pressing products which slide from the slide way 2 and are not cleaned are always positioned on the rotary passage A, and the powder metallurgy pressing products which are not cleaned can pass through the lower part of the powder suction pipe 52 to be cleaned. When the powder metallurgy pressing product after powder cleaning is fully paved on the periphery of the rotating passage A, the powder metallurgy pressing product after powder cleaning is extruded outwards, and the powder metallurgy pressing product is fully paved on the periphery of the rotating plate layer by layer from the rotating passage A. After the rotary table 3 is fully distributed with powder metallurgy pressing products, the powder metallurgy pressing products overflow from the opening 12 of the blocking wall 11, and after the sensor 17 on the bracket 1 senses the products, information is simultaneously fed back to the pressing die control switch and the motor 4, so that the pressing die and the motor stop running.

The utility model discloses an action process and theory of operation as follows:

after the powder metallurgy pressing product is pressed out by the pressing die, an upper die of the pressing die clamps the powder metallurgy pressing product on a cushion 23 of an upper slide way 21 and pushes the powder metallurgy pressing product forward, meanwhile, a lower die of the pressing die drives the upper slide way 21 to ascend, namely, the lower die drives one end of the upper slide way 21 to ascend, the upper die clamps the powder metallurgy pressing product on the cushion 23 of the lower slide way 21 and pushes the powder metallurgy pressing product forward, so that the powder metallurgy pressing product has the pushing force pushed out by the upper die and the elastic force pushed up by the lower die, under the action of the pushing force and the elastic force, the powder metallurgy pressing product can overcome the friction force of the cushion 23 and enter the upper slide way 21, the powder metallurgy pressing product can be vibrated to shake redundant powder into a powder falling area 24, and the powder in the powder falling area 24 can fall into a powder falling groove 25 for recovery; after entering the buffer zone 261 of the buffer guide plate 26 of the lower slideway 22 from the upper slideway 21 for buffering and speed reduction, the powder metallurgy pressed product slides out from the guide zone 262 to the rotary table 3, is stopped by the first arc-shaped guide plate 6 when entering the rotary table 3 and moves along the inner wall of the first arc-shaped guide plate 61 of the first arc-shaped guide plate 6, and then moves along the second arc 71 of the second arc-shaped guide plate 7, so that the powder metallurgy pressed product is positioned in the rotating passage A and rotates along with the rotary table 3 to the powder suction space below the powder suction pipe 52 for powder cleaning treatment, the powder metallurgy pressed product after powder cleaning moves along the outer peripheral wall of the first arc-shaped guide plate 6, when the powder metallurgy pressed product is more, the powder metallurgy pressed product close to the center of the rotary table 3 at the inner layer can push the powder metallurgy pressed product at the outer layer of the rotating passage A outwards, so that the powder metallurgy pressed product positioned at the outer ring of the rotating passage A on the, the outermost powder metallurgy pressing product is pushed out to the material discharging plate 15 from the opening of the baffle wall 11, and the sensor 17 at the opening 12 senses the product and controls the pressing die and the motor to stop running. After the powder metallurgy pressing product is cleaned, the product is moved to a frosting plate 16 on a discharging plate 15 by manpower or a mechanical arm to slightly wipe the bottom surface of the powder metallurgy pressing product, burrs at the bottom of the product are removed, and then the powder metallurgy pressing product is discharged in a storage box, so that the cleaning of the powder metallurgy pressing product is completed.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. A powder recovery mechanism for a powder metallurgical compact, comprising:

the bracket is provided with a supporting seat;

2. A powder recovery mechanism for a powder metallurgical compact as claimed in claim 1, wherein: the first arc-shaped guide plate is fixed at one side of the support seat of the support corresponding to the slideway, or is directly fixed at one side of the slideway, and the other end of the first arc-shaped guide plate is provided with a first arc corresponding to the opening of the slideway; the second arc-shaped guide plate is arranged on the supporting seat corresponding to the other side of the slide way or is directly fixed on the other side of the slide way, the second arc-shaped guide plate is provided with a second arc deviating from the slide way, and the rotating channel is formed between the first arc of the first arc-shaped guide plate and the second arc of the second arc-shaped guide plate.