CN112207277A - Cleaning method of powder metallurgy pressed product - Google Patents
Cleaning method of powder metallurgy pressed product Download PDFInfo
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- CN112207277A CN112207277A CN202011035758.0A CN202011035758A CN112207277A CN 112207277 A CN112207277 A CN 112207277A CN 202011035758 A CN202011035758 A CN 202011035758A CN 112207277 A CN112207277 A CN 112207277A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/005—Loading or unloading powder metal objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
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Abstract
The invention discloses a cleaning method of powder metallurgy pressed products, which cleans through a cleaning device, the cleaning device comprises a bracket, a turntable and a slideway, the powder metallurgy pressing part comprises a motor, a first arc-shaped guide plate, a second arc-shaped guide plate and a powder sucking mechanism, wherein the turntable is arranged on a support, a slide way is connected with the turntable and a pressing die, the motor drives the turntable to rotate, one end of the first arc-shaped guide plate is fixed on the outer side wall of the slide way, the second arc-shaped guide plate is arranged on the outer side wall of the slide way opposite to the first arc-shaped guide plate, and a rotating passage is formed between the first arc of the first arc-shaped guide plate and the second arc of the second arc-shaped guide plate, so that each powder metallurgy pressing part can rotate from the rotating passage to the powder sucking space of the powder sucking mechanism for powder cleaning without leakage cleaning.
Description
Technical Field
The invention relates to the technical field of powder metallurgy pressed products, in particular to a method for cleaning powder metallurgy pressed products.
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.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the method for cleaning the powder metallurgy pressed product, which can improve the powder cleaning efficiency of the powder metallurgy pressed product, has good powder cleaning effect and is not easy to damage the product.
In order to achieve the above purpose, the solution of the invention is:
a method of cleaning a powder metallurgy compact by a cleaning apparatus comprising:
a bracket which is arranged at one side of the pressing die at intervals and is provided with a supporting seat,
a turntable arranged at the top end of the bracket,
the slide way is obliquely connected with the pressing die and the turntable and comprises an upper slide way and a lower slide way, the upper end of the upper slide way is fixed with the pressing die, the lower end of the upper slide way is rotatably hinged with the upper end of the lower slide way, and a gap is reserved between the lower end of the lower slide way and the turntable;
the motor is fixed on the bracket, and an output shaft of the motor is connected with a rotating shaft of the rotating disc;
the first arc-shaped guide plate is of a soft structure, one end of the first arc-shaped guide plate is fixed on the outer side wall 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 outer side wall of the lower slideway opposite to the first arc-shaped guide plate, the second arc-shaped guide plate is provided with a second arc departing from the slideway, and a rotary passage is formed between the first arc of the first arc-shaped guide plate and the second arc of the second arc-shaped guide plate; 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 cleaning method comprises the following steps of:
step A: after the powder metallurgy pressing product is pressed out by the pressing die, the powder metallurgy pressing product is clamped on the upper slideway and is pushed out forwards, so that the powder metallurgy pressing product falls into the slideway;
and B: when entering the rotary table from the slide way, the powder metallurgy pressing product is stopped by the first arc-shaped guide plate and rotates along the inner wall of the first arc-shaped guide plate, and then moves along the second arc of the second arc-shaped guide plate, so that the powder metallurgy pressing product is positioned in the rotary passage and rotates along with the rotary table to a powder suction space below the powder suction pipe, and the powder suction pipe is arranged;
and C: the powder metallurgy pressing product after powder cleaning can move along the outer peripheral wall of the first arc-shaped guide plate when rotating to the outer side of the slide connected with the first arc-shaped guide plate;
step D: repeating the steps A to C, so that the whole circle of powder metallurgy pressing product is fully distributed on the rotary table from the periphery of the first arc-shaped guide plate, and the powder metallurgy pressing product is sequentially fully distributed from the periphery of the first arc-shaped guide plate to the outside;
step E: and D, at any stage of the step C or the step D, transferring the powder metallurgy pressed product to the outside of the rotary table for secondary cleaning or recycling through a manual or mechanical arm.
Further, a sanding plate is arranged on the support, and in the step E, the bottom of the powder metallurgy pressing product is wiped on the sanding plate manually or by a mechanical arm in the secondary cleaning process.
Furthermore, the upper end of the lower slide is fixed with a lower die of the pressing die, a layer of cushion is further arranged at the joint of the upper slide and the pressing die, a plurality of powder falling holes are formed in the upper slide, in the step A, the pressing die clamps the powder metallurgy product through the upper die, and meanwhile, the lower die drives one end of the upper slide to ascend, so that the upper die clamps the powder metallurgy pressing product onto the cushion of the upper slide and pushes the powder metallurgy pressing product forwards, the powder metallurgy pressing product has pushing force pushed out by the upper die and elastic force pushed up by the lower die, under the action of the pushing force and the elastic force, the powder metallurgy pressing product enters the upper slide from the cushion, and redundant powder on the powder metallurgy pressing product is shaken into the powder falling holes by the ascending and bouncing vibration force of the lower die.
Further, the both sides inner wall of glide-slope still is equipped with buffering baffle, and buffering baffle includes the buffers that extend toward the glide-slope central direction and toward the guide area that the first circular arc direction of first arc baffle set up, and buffers and guide area circular arc transition formation curve molding, still includes step A1 between step A and the step B, and powder metallurgy pressfitting can cushion the deceleration through the buffers of buffering baffle when gliding to buffering baffle from the upper chute, later along guide area roll-off glide-slope.
Furthermore, a blocking wall higher than the rotary table is arranged on the periphery of the support corresponding to the rotary table, an opening is formed in one end of the blocking wall, and in the step D, after the powder metallurgy pressing product is fully distributed on the periphery of the rotary table, the powder metallurgy pressing product can overflow from the opening.
Further, the support is equipped with the sensor of intercommunication pressing die control switch and motor in the opening part, and when powder metallurgy pressfitting overflowed from the opening, the sensor reported to the back with information simultaneously to pressing die control switch and motor behind the powder metallurgy pressfitting, made pressing die and motor stall.
After the structure is adopted, the cleaning method of the powder metallurgy product is characterized in that the pressing die and the rotary table are connected through the slide way, so that the powder metallurgy pressed products can be transferred onto the rotary table from the pressing die, the first arc-shaped guide plate and the second arc-shaped guide plate form the rotating passage, each powder metallurgy pressed product can rotate to the powder suction space of the powder suction mechanism from the rotating passage to be cleaned, the cleaning leakage condition is avoided, and compared with the situation that the existing dust collector rotates around the material pushing disc, the powder cleaning effect is high in efficiency and better. According to the invention, the first arc-shaped guide plate with the soft structure is arranged, so that the powder metallurgy pressed product is directly contacted with the first arc-shaped guide plate after sliding out from the slide way, the product is not easy to damage, and the product is directly rotated away through the rotary table after sliding out from the slide way and cannot collide with the later powder metallurgy pressed product.
Drawings
FIG. 1 is a perspective view of a powder metallurgy compact cleaning apparatus according to the present invention.
FIG. 2 is a schematic top view of the powder metallurgy compact cleaning apparatus of the present invention.
FIG. 3 is a schematic side view of the powder metallurgy compact cleaning apparatus 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 specific examples.
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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 3, the invention discloses a cleaning device for powder metallurgy pressed products, which comprises a bracket 1, a slideway 2, a rotary table 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 action process and the working principle of the invention are 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 thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (6)
1. A cleaning method of powder metallurgy pressed products is characterized in that the powder metallurgy pressed products are cleaned through a cleaning device, and the cleaning method comprises the following steps: the cleaning device includes:
a bracket which is arranged at one side of the pressing die at intervals and is provided with a supporting seat,
a turntable arranged at the top end of the bracket,
the slide way is obliquely connected with the pressing die and the turntable and comprises an upper slide way and a lower slide way, the upper end of the upper slide way is fixed with the pressing die, the lower end of the upper slide way is rotatably hinged with the upper end of the lower slide way, and a gap is reserved between the lower end of the lower slide way and the turntable;
the motor is fixed on the bracket, and an output shaft of the motor is connected with a rotating shaft of the rotating disc;
the first arc-shaped guide plate is of a soft structure, one end of the first arc-shaped guide plate is fixed on the outer side wall 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 outer side wall of the lower slideway opposite to the first arc-shaped guide plate, the second arc-shaped guide plate is provided with a second arc departing from the slideway, and a rotary passage is formed between the first arc of the first arc-shaped guide plate and the second arc of the second arc-shaped guide plate; 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 cleaning method comprises the following steps of:
step A: after the powder metallurgy pressing product is pressed out by the pressing die, the powder metallurgy pressing product is clamped on the upper slideway and is pushed out forwards, so that the powder metallurgy pressing product falls into the slideway;
and B: when entering the rotary table from the slide way, the powder metallurgy pressing product is stopped by the first arc-shaped guide plate and rotates along the inner wall of the first arc-shaped guide plate, and then moves along the second arc of the second arc-shaped guide plate, so that the powder metallurgy pressing product is positioned in the rotary passage and rotates along with the rotary table to a powder suction space below the powder suction pipe, and the powder suction pipe is arranged;
and C: the powder metallurgy pressing product after powder cleaning can move along the outer peripheral wall of the first arc-shaped guide plate when rotating to the outer side of the slide connected with the first arc-shaped guide plate;
step D: repeating the steps A to C, so that the whole circle of powder metallurgy pressing product is fully distributed on the rotary table from the periphery of the first arc-shaped guide plate, and the powder metallurgy pressing product is sequentially fully distributed from the periphery of the first arc-shaped guide plate to the outside;
step E: and D, at any stage of the step C or the step D, transferring the powder metallurgy pressed product to the outside of the rotary table for secondary cleaning or recycling through a manual or mechanical arm.
2. The method of cleaning a powder metallurgical compact of claim 1, wherein: and in the step E, the secondary cleaning is to wipe the bottom of the powder metallurgy pressing product on the sanding plate manually or by a mechanical arm.
3. The method of cleaning a powder metallurgical compact of claim 1, wherein: the upper end of the lower slide is fixed with a lower die of the pressing die, a layer of cushion is further arranged at the joint of the upper slide and the pressing die, a plurality of powder falling holes are formed in the upper slide, in the step A, the pressing die clamps the powder metallurgy products through the upper die, so that the lower die drives one end of the upper slide to ascend, the upper die clamps the powder metallurgy pressing products onto the cushion of the upper slide and pushes the powder metallurgy pressing products forward, the powder metallurgy pressing products have pushing force pushed out by the upper die and elastic force pushed up by the lower die at the same time, under the action of the pushing force and the elastic force, the powder metallurgy pressing products enter the upper slide from the cushion, and redundant powder on the powder metallurgy pressing products is shaken into the powder falling holes by the ascending and bouncing vibration force of the lower die.
4. The method of cleaning a powder metallurgical compact of claim 1, wherein: the both sides inner wall of glide slope still is equipped with the buffering baffle, and the buffering baffle includes the buffers that extend toward the glide slope central direction and toward the guide area that the first circular arc direction of first arc baffle set up, and buffers and guide area circular arc transition formation curve molding, still includes step A1 between step A and the step B, and powder metallurgy pressfitting can cushion the deceleration through the buffers of buffering baffle when gliding to the buffering baffle from the glide slope, later along guide area roll-off glide slope.
5. The method of cleaning a powder metallurgical compact of claim 1, wherein: and in the step D, after the periphery of the rotary disc is fully distributed with the powder metallurgy pressing product, the powder metallurgy pressing product can overflow from the opening.
6. The method of cleaning a powder metallurgical compact of claim 1, wherein: the support is provided with a sensor communicated with the pressing die control switch and the motor at the opening, when the powder metallurgy pressing product overflows from the opening, the sensor simultaneously feeds back information to the pressing die control switch and the motor after sensing the powder metallurgy pressing product, and the pressing die and the motor are stopped.
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| CN210877558U (en) * | 2019-11-08 | 2020-06-30 | 重庆市巨亮机械制造有限责任公司 | Internal gear processing ejection of compact prevents piling up device |
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| CN205183775U (en) * | 2015-12-18 | 2016-04-27 | 德钜（厦门）特种合金制品有限公司 | A powder recovery unit for powder metallurgy embossing mold |
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