CN117340245A - Alloy powder extrusion molding device and method based on operation feedback - Google Patents
Alloy powder extrusion molding device and method based on operation feedback Download PDFInfo
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- CN117340245A CN117340245A CN202311488580.9A CN202311488580A CN117340245A CN 117340245 A CN117340245 A CN 117340245A CN 202311488580 A CN202311488580 A CN 202311488580A CN 117340245 A CN117340245 A CN 117340245A
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- 239000000956 alloy Substances 0.000 title claims abstract description 85
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009704 powder extrusion Methods 0.000 title claims abstract description 21
- 238000000465 moulding Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 67
- 238000009826 distribution Methods 0.000 claims description 36
- 238000004458 analytical method Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 8
- 239000012778 molding material Substances 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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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
- B22F3/03—Press-moulding apparatus therefor
-
- 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
- B22F3/004—Filling molds with powder
-
- 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
-
- 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
- B22F3/093—Compacting only using vibrations or friction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses an alloy powder extrusion molding device and method based on operation feedback, and relates to the technical field of alloy powder pressing, wherein the alloy powder extrusion molding device comprises an operation frame, a top plate, guide rods and a lower die; according to the invention, the oscillating assembly is arranged, and in the process of downward movement of the movable plate, the plurality of groups of tooth groups are repeatedly meshed and separated with the gears, so that the collision roller repeatedly collides with the inner wall of the mounting cavity and vibrates, alloy powder in the die cavity can be uniformly distributed, and when the fixed plate moves upwards and separates from the die cavity, the tooth groups are repeatedly meshed and separated with the gears again, so that vibration can be generated again in the mounting cavity, the thoroughly of separation of a molding material from the die cavity is improved, and adhesion between the molding material and the die cavity is avoided.
Description
Technical Field
The invention relates to the technical field of alloy powder pressing, in particular to an alloy powder extrusion molding device and method based on operation feedback.
Background
The powder metallurgy workpiece is pressed by a hydraulic press, the raw materials of the powder metallurgy workpiece are powder before being pressed and formed, and the pressing work is carried out in a high-temperature state, namely, the upper forming die and the lower forming die are heated at high temperature during the pressing work;
at present, when powder forging processing is carried out, weighed and quantified alloy powder is filled into a pressing die disc, then the alloy powder filled into the pressing die disc is scraped by a manual cooperation scraper, whether the alloy powder is smooth or not can be judged only through vision, the flatness of the alloy powder cannot be accurately fed back in time, and the flatness of the alloy powder is controlled according to a feedback result, so that the thickness of the alloy powder in a die cavity is inconsistent, and the forming quality is affected;
and when the workpiece is pressed and formed and the upper forming die leaves the forming die cavity of the lower forming die, the surface of the workpiece and the die cavity are adhered by materials, so that the surface of the workpiece is damaged, and the quality of the workpiece is poor.
Disclosure of Invention
The invention aims to solve the problems that in the current powder forging processing, the weighed and quantified alloy powder is filled into a pressing die disc, then the alloy powder filled into the pressing die disc is scraped by a manual cooperation scraper, whether the alloy powder is smooth or not can be judged only through vision, the flatness of the alloy powder can not be accurately fed back in time, the flatness of the alloy powder is controlled according to the feedback result, the thickness of the alloy powder in a die cavity is inconsistent, and the molding quality is affected, and an alloy powder extrusion molding device and an alloy powder extrusion molding method based on operation feedback are provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the alloy powder extrusion molding device based on operation feedback comprises an operation frame, a top plate, guide rods and a lower die, wherein the top plate is fixedly connected to the position, close to the rear side, of the outer surface of the upper end of the operation table, four groups of guide rods are arranged between the operation table and the top plate, the lower die is arranged at the position, close to the middle, of the outer surface of the upper end of the operation frame, four groups of guide rods are provided with a movable plate, the outer surface of the upper end of the top plate is provided with an air cylinder, the output end of the air cylinder penetrates through the top plate and is fixedly connected with the movable plate, the connecting plate is fixedly connected to the outer surface of the lower end of the movable plate, and an upper die assembly is arranged at the position, corresponding to the lower die, of the outer surface of the lower end of the connecting plate;
the upper end surface of lower mould has seted up the diaphragm groove, and the inside of diaphragm groove is provided with the ejector plate, the inside position that is close to the bottom of handling frame is provided with the ejecting piece, and the output of ejecting piece runs through to the inside and the ejector plate fixed connection of diaphragm groove, the inside of lower mould is provided with oscillating assembly.
Further, the oscillating assembly comprises an installation cavity, a movable hole, a rotating rod and a gear; the installation cavity has all been seted up to the inside position that is close to the left and right sides of lower mould, and the top of installation cavity internal surface is close to the position of middle part and has been seted up the movable hole, the movable hole runs through to the outside of lower mould, the inside of installation cavity is close to the position rotation of top and is connected with the dwang, and the dwang surface corresponds with the movable hole the position fixedly connected with gear, the lower extreme surface of connecting plate and the position fixedly connected with connecting rod that two sets of movable holes correspond, and a plurality of groups tooth group of connecting rod one side surface equidistance fixedly connected with, every group tooth group includes four teeth, tooth group and gear meshing.
Further, the outer surface of dwang is close to the position at both ends all is provided with torsion spring around, and torsion spring's one end and dwang fixed connection, the other end and installation cavity fixed connection, the dwang surface is close to the equal fixedly connected with connecting rod in position at both ends, keeps away from the one end fixedly connected with collision roller of dwang between two sets of connecting rods, and under the natural state, collision roller does not contact with the installation cavity.
Further, go up the module and include connecting block, fixed plate, activity chamber and movable groove, the lower extreme external surface fixedly connected with connecting block of connecting plate, and the lower extreme external surface fixedly connected with fixed plate of connecting block, the activity chamber has been seted up to the inside of fixed plate, and the inside of connecting block has seted up the movable groove, the connecting hole has been seted up between activity groove and the activity chamber, and the top of activity inslot surface is provided with the motor, the output fixedly connected with mounting panel one of motor.
Further, the position fixedly connected with spliced pole that is close to the edge of mounting panel lower extreme surface, spliced pole through-connection hole and extend to the inside fixedly connected with mounting panel two of activity chamber, the below of mounting panel two is provided with and rocks the board, the embedded fixed connection stereoplasm transparent plate of lower extreme surface of fixed plate, and rock the lower extreme surface equidistance of board and be provided with three groups distance sensor.
Furthermore, a plurality of groups of first springs are arranged between the shaking plate and the second mounting plate, one end of each first spring is fixedly connected with the second mounting plate, the other end of each first spring is fixedly connected with the shaking plate, two groups of limiting rods are symmetrically and fixedly connected with the outer surface of the shaking plate, and the annular groove is formed in the position, corresponding to the limiting rod, of the inner part of the movable cavity, one end of the limiting rod penetrates through the annular groove and is movably connected with the annular groove, the ball is embedded into the outer surface of the limiting rod, which is far away from one end of the shaking plate, and the outer surface of the limiting rod is attached to the inner surface of the annular groove.
Further, a control panel is arranged on the outer surface of one side of the operation frame, and comprises a data acquisition module, an analysis module and an execution module;
the data acquisition module is used for acquiring the distribution data of the alloy powder in the die cavity and sending the distribution data to the analysis module, the analysis module is used for receiving the distribution data of the alloy powder in the die cavity and carrying out analysis processing operation on the distribution data, generating corresponding signals according to analysis processing results and sending the generated signals to the execution module, and the execution module is used for receiving the signals and carrying out corresponding processing according to the received signals.
Further, the analysis processing operation includes the steps of:
step one, after receiving the distribution data of the alloy powder in the die cavity, analyzing and processing the distribution data, wherein three groups of distribution data of the alloy powder in the die cavity are provided;
step two, the distribution data of the alloy powder in the three groups of mold grooves are the distance between the distance sensor and the top end of the alloy powder in the corresponding area, and the distribution data of the alloy powder in the three groups of mold grooves are respectively marked as L1, L2 and L3;
step three, constructing a set A= { L1, L2 and L3}, obtaining three groups of distributed data extreme difference values C according to a formula C= max (A) -min (A), obtaining an extreme difference threshold B, and generating an execution signal when C is more than or equal to B; when C < B, no treatment is done.
An alloy powder extrusion molding method based on operation feedback comprises the following steps:
firstly, quantitatively feeding materials into a die cavity by using external feeding equipment, starting an air cylinder after the feeding is finished, pushing a movable plate to move downwards by the output end of the air cylinder, enabling a connecting bar to enter the inside of a mounting cavity through a movable hole, driving a connecting plate to rotate with a collision roller by a rotating rod under the driving of the rotating rod when a tooth group is meshed with a gear, and enabling the collision roller to collide with the inner wall of the mounting cavity, wherein the rotating rod rotates under the action of a torsion spring when the tooth group is separated from a rack;
step two, in the process of downward movement of the movable plate, a plurality of groups of tooth groups are repeatedly meshed and separated with the gears, so that the collision roller repeatedly collides with the inner wall of the mounting cavity and vibrates, and alloy powder in the die cavity can be assisted to be uniformly distributed;
step three, when the first group of teeth is separated after being meshed with the gear, the connecting plate enters the die cavity, and at the moment, three groups of distance sensors collect distribution data of alloy powder in the die cavity and send the distribution data to a data analysis module;
step four, after the execution module receives the execution signal, the motor is controlled to run, the motor drives the first mounting plate to rotate along with the downward movement of the connecting plate, the second mounting plate drives the shaking plate to rotate along with the first mounting plate, and the second mounting plate is in elastic connection with the shaking plate, so that the shaking plate repeatedly drives the limiting rod to shake left and right in the rotation process, balls collide with the annular grooves and vibrate, the connecting plate firstly transmits vibration to the die cavity, and after the connecting plate contacts with alloy powder, the connecting plate transmits vibration to the alloy powder, so that the thickness of the alloy powder in the die cavity can be enabled to be consistent while the connecting plate presses the alloy powder.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the oscillating assembly is arranged, and in the process of downward movement of the movable plate, the plurality of groups of tooth groups are repeatedly meshed and separated with the gears, so that the collision roller repeatedly collides with the inner wall of the mounting cavity and vibrates, alloy powder in the die cavity can be uniformly distributed, and when the fixed plate moves upwards and is separated from the die cavity, the tooth groups are repeatedly meshed and separated with the gears again, so that vibration can be generated in the mounting cavity again, the thoroughly of separation of a molding material and the die cavity is improved, and adhesion between the molding material and the die cavity is avoided;
2. according to the invention, distribution data of alloy powder in the die cavity are collected, three groups of distribution data extreme values are calculated by utilizing an analysis processing module, then the flatness of the alloy powder is judged according to the three groups of distribution data extreme values, corresponding signals are generated, when the alloy powder in the die cavity still cannot be leveled under the influence of vibration generated by an oscillation assembly, a motor drives a mounting plate II and a shaking plate to rotate, and the shaking plate and the mounting plate II are elastically connected, so that the shaking plate repeatedly drives a limit rod to shake left and right in the rotation process, the connecting plate firstly transmits vibration to the die cavity, and after the connecting plate contacts with the alloy powder, the connecting plate transmits vibration to the alloy powder, so that the vibration frequency of the alloy powder is enhanced, the alloy powder is rapidly and uniformly distributed, and therefore, the upper die assembly is matched with the oscillation assembly, selective operation according to the distribution condition of the alloy powder is realized, and energy consumption is saved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a combined view of an upper module assembly and an oscillating assembly of the present invention;
FIG. 3 is an enlarged view of area A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic view of the upper die assembly of the present invention;
FIG. 5 is an enlarged view of region B of FIG. 4 in accordance with the present invention;
FIG. 6 is a combined view of a torsion spring and a rotating lever of the present invention;
FIG. 7 is a combined view of a distance sensor and wobble plate according to the invention;
fig. 8 is a functional block diagram of the interior of the control panel of the present invention.
Reference numerals: 1. an operation rack; 2. a top plate; 3. a guide rod; 4. a lower die; 5. a movable plate; 6. a cylinder; 7. an upper die assembly; 701. a connecting block; 702. a fixing plate; 703. a movable cavity; 704. a movable groove; 705. a motor; 706. a first mounting plate; 707. a connecting column; 708. a second mounting plate; 709. shaking the plate; 710. a hard transparent plate; 711. a distance sensor; 712. a first spring; 713. a limit rod; 714. an annular groove; 715. a ball; 8. a connecting plate; 9. an oscillating assembly; 901. a mounting cavity; 902. a movable hole; 903. a rotating lever; 904. a gear; 905. a connecting strip; 906. tooth group; 907. a connecting rod; 908. a collision roller; 909. a torsion spring; 10. a die cavity; 11. an ejector plate; 12. and an ejector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1 and 2, the alloy powder extrusion molding device based on operation feedback provided by the invention comprises an operation frame 1, a top plate 2, guide rods 3 and a lower die 4, wherein the top plate 2 is fixedly connected to the position, close to the rear side, of the outer surface of the upper end of an operation table, four groups of guide rods 3 are arranged between the operation table and the top plate 2, the lower die 4 is arranged between the upper outer surface of the operation frame 1, close to the middle, of the operation table, a movable plate 5 is arranged between the four groups of guide rods 3, an air cylinder 6 is arranged on the outer surface of the upper end of the top plate 2, the output end of the air cylinder 6 penetrates through the top plate 2 and is fixedly connected with the movable plate 5, a connecting plate 8 is fixedly connected to the outer surface of the lower end of the movable plate 5, and an upper die assembly 7 is arranged at the position, corresponding to the lower die 4, of the lower outer surface of the connecting plate 8;
the upper end surface of lower mould 4 has seted up the die cavity 10, and the inside of die cavity 10 is provided with liftout plate 11, and the inside of handling frame 1 is provided with ejection 12 near the position of bottom, and the output of ejection 12 runs through to the inside of die cavity 10 and liftout plate 11 fixed connection, after the extrusion is accomplished, ejection 12 operates, makes liftout plate 11 push out the material that the extrusion was accomplished upwards.
Embodiment two:
as shown in fig. 2, 3 and 6, the present embodiment is different from embodiment 1 in that an oscillating assembly 9 is provided inside a lower die 4, and the oscillating assembly 9 includes a mounting cavity 901, a movable hole 902, a rotating rod 903 and a gear 904; the installation cavity 901 is formed in the position, close to the left side and the right side, of the inner surface of the installation cavity 901, the movable hole 902 is formed in the position, close to the middle, of the top end of the inner surface of the installation cavity 901, the movable hole 902 penetrates to the outer portion of the lower die 4, the rotating rod 903 is rotatably connected to the position, close to the top end, of the inner portion of the installation cavity 901, the gear 904 is fixedly connected to the position, corresponding to the movable hole 902, of the outer surface of the lower end of the connecting plate 8, the connecting strip 905 is fixedly connected to the positions, corresponding to the two groups of the movable holes 902, of the connecting plate, a plurality of groups of tooth groups 906 are fixedly connected to the outer surface of one side of the connecting strip 905 at equal intervals, each group of tooth groups 906 comprises four teeth, the tooth groups 906 are meshed with the gear 904, the output end of the air cylinder 6 pushes the movable plate 5 to move downwards, the connecting strip 905 firstly enters the inner portion of the installation cavity 901 through the movable hole 902, and when the tooth groups 906 are meshed with the gear 904, the rotating rod 903 drives the connecting plate 8 under driving.
The outer surface of the rotating rod 903 is provided with torsion springs 909 near the front and rear ends, one end of each torsion spring 909 is fixedly connected with the rotating rod 903, when the tooth group 906 is separated from the racks, the rotating rod 903 rotates under the action of the torsion springs 909, the other end of each torsion spring 903 is fixedly connected with the mounting cavity 901, connecting rods 907 are fixedly connected to the positions of the outer surface of the rotating rod 903 near the two ends, a collision roller 908 is fixedly connected to one end, away from the rotating rod 903, of each connecting rod 907, of each connecting rod, in the process that the movable plate 5 enters the die cavity 10 and is separated from the die cavity 10, the collision roller 908 repeatedly collides with the movable cavity 703, alloy powder inside the die cavity 10 can be assisted to be uniformly distributed, adhesion between a molding material and the die cavity 10 is avoided, the collision roller 908 collides with the inner wall of the mounting cavity 901 in the rotating process of the rotating rod 903, and the collision roller 908 is not contacted with the mounting cavity 901 in a natural state.
Embodiment III:
as shown in fig. 1 and 8, the difference between the present embodiment and embodiments 1 and 2 is that a control panel is disposed on an outer surface of one side of the operation frame 1, and a data acquisition module, an analysis module and an execution module are disposed inside the control panel;
the data acquisition module is used for acquiring the distribution data of the alloy powder in the die cavity 10 and sending the distribution data to the analysis module, and the analysis module is used for receiving the distribution data of the alloy powder in the die cavity 10 and carrying out analysis processing operation on the distribution data, and the data acquisition module comprises the following steps:
step one, after receiving the distribution data of the alloy powder in the die cavity 10, analyzing and processing the distribution data, wherein three groups of distribution data of the alloy powder in the die cavity 10 are acquired through three groups of distance sensors 711 respectively;
step two, the distribution data of the alloy powder in the three groups of die cavities 10 are the distance between the distance sensor 711 and the top end of the alloy powder in the corresponding area, and the distribution data of the alloy powder in the three groups of die cavities 10 are respectively marked as L1, L2 and L3;
step three, constructing a set A= { L1, L2 and L3}, obtaining three groups of distributed data extreme difference values C according to a formula C= max (A) -min (A), obtaining an extreme difference threshold B, and generating an execution signal when C is more than or equal to B; when C is less than B, no treatment is carried out;
and the execution module is used for receiving the signals and making corresponding processing according to the received signals.
Embodiment four:
as shown in fig. 2-8, the difference between this embodiment and embodiments 1, 2, and 3 is that the upper module 7 includes a connection block 701, a fixing plate 702, a movable cavity 703 and a movable slot 704, the outer surface of the lower end of the connection plate 8 is fixedly connected with the connection block 701, the outer surface of the lower end of the connection block 701 is fixedly connected with the fixing plate 702, the movable cavity 703 is opened in the fixing plate 702, the movable slot 704 is opened in the connection block 701, a connection hole is opened between the movable slot 704 and the movable cavity 703, a motor 705 is disposed at the top end of the inner surface of the movable slot 704, the output end of the motor 705 is fixedly connected with a first mounting board 706, the execution module controls the motor 705 to operate after receiving the execution signal, and the motor 705 drives the first mounting board 706 to rotate in the process of moving down with the connection plate 8.
The position that the outer surface of the lower end of the first mounting plate 706 is close to the edge is fixedly connected with a connecting column 707, the connecting column 707 penetrates through the connecting hole and extends to the inner part of the movable cavity 703 to be fixedly connected with a second mounting plate 708, a shaking plate 709 is arranged below the second mounting plate 708, the outer surface of the lower end of the fixed plate 702 is fixedly connected with a hard transparent plate 710 in an embedded mode, and three groups of distance sensors 711 are arranged on the outer surface of the lower end of the shaking plate 709 at equal distance.
A plurality of first groups of springs 712 are arranged between the shaking plate 709 and the second mounting plate 708, one end of the first springs 712 is fixedly connected with the second mounting plate 708, the other end of the first springs 712 is fixedly connected with the shaking plate 709, two groups of limiting rods 713 are symmetrically and fixedly connected to the outer surface of the shaking plate 709, annular grooves 714 are formed in positions, corresponding to the limiting rods 713, of the inner parts of the movable cavities 703, one ends of the limiting rods 713 penetrate through the annular grooves 714 and are movably connected with the annular grooves 714, one ends, far away from the shaking plate 709, of the outer surfaces of the limiting rods 713 are embedded and are movably connected with balls 715, friction loss generated in the moving process of the limiting rods 713 is reduced, the outer surfaces of the limiting rods 713 are attached to the inner surfaces of the annular grooves 714, the second mounting plate 708 drives the shaking plate 709 to rotate along with the first mounting plate 706, and the shaking plate 709 repeatedly drives the limiting rods 713 to shake in the rotating process, and the connecting plates firstly transmit vibration to the die grooves 10.
Fifth embodiment:
an alloy powder extrusion molding method based on operation feedback comprises the following steps:
firstly, quantitatively feeding materials into a die cavity 10 by using external feeding equipment, after the feeding is finished, starting an air cylinder 6, pushing a movable plate 5 to move downwards by the output end of the air cylinder 6, enabling a connecting bar 905 to enter the inside of a mounting cavity 901 through a movable hole 902, driving a connecting plate 8 to rotate with a collision roller 908 by a rotating rod 903 under the driving of the rotating rod 903 when a tooth group 906 is meshed with a gear 904, and enabling the collision roller 908 to collide with the inner wall of the mounting cavity 901, wherein when the tooth group 906 is separated from a rack, the rotating rod 903 rotates under the action of a torsion spring 909;
step two, in the process of moving down the movable plate 5, a plurality of groups of teeth 906 are repeatedly meshed and separated with the gear 904, so that the collision roller 908 repeatedly collides with the inner wall of the mounting cavity 901 and vibrates, thereby assisting the alloy powder in the die cavity 10 to be uniformly distributed;
step three, when the first group of teeth 906 is separated from the gear 904 after being meshed, the connecting plate 8 enters the die cavity 10, and at the moment, three groups of distance sensors 711 collect distribution data of alloy powder in the die cavity 10 and send the data to a data analysis module;
step four, after the execution module receives the execution signal, the motor 705 is controlled to run, the motor 705 drives the first mounting plate 706 to rotate in the process of moving downwards along with the connecting plate 8, the second mounting plate 708 drives the shaking plate 709 to rotate along with the first mounting plate 706, and the second mounting plate 708 is in elastic connection with the shaking plate 709, so that the shaking plate 709 repeatedly drives the limiting rod 713 to shake left and right in the rotating process, the balls 715 collide with the annular groove 714 and generate vibration, the connecting plate 8 firstly transmits the vibration to the die cavity 10, and after the connecting plate 8 contacts with alloy powder, the connecting plate 8 transmits the vibration to the alloy powder, so that the thickness of the alloy powder in the die cavity 10 can be enabled to be consistent while the connecting plate 8 presses the alloy powder.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (9)
1. Alloy powder extrusion device based on operation feedback, including handling frame (1), roof (2), guide bar (3) and lower mould (4), the upper end surface of operation panel is close to the position fixedly connected with roof (2) of rear side, and is provided with four sets of guide bar (3) between operation panel and the roof (2), the upper end surface of operation frame (1) is close to the position in middle part and is provided with lower mould (4), its characterized in that, four sets of be provided with fly leaf (5) between guide bar (3), the upper end surface of roof (2) is provided with cylinder (6), and the output of cylinder (6) runs through roof (2) and with fly leaf (5) fixed connection, the lower extreme surface fixedly connected with connecting plate (8) of fly leaf (5), and the lower extreme surface of connecting plate (8) is provided with upper die assembly (7) with the position that lower mould (4) correspond;
the upper end surface of lower mould (4) has seted up diaphragm groove (10), and the inside of diaphragm groove (10) is provided with liftout plate (11), the inside of handling frame (1) is provided with ejection piece (12) near the position of bottom, and the output of ejection piece (12) runs through to the inside and liftout plate (11) fixed connection of diaphragm groove (10), the inside of lower mould (4) is provided with oscillating assembly (9).
2. The alloy powder extrusion apparatus based on operational feedback according to claim 1, wherein the oscillating assembly (9) comprises a mounting cavity (901), a movable hole (902), a rotating rod (903) and a gear (904); the inside of lower mould (4) is close to the position of left and right sides and has all been seted up installation cavity (901), and installation cavity (901) internal surface's top is close to the position in middle part and has seted up movable hole (902), movable hole (902) run through to the outside of lower mould (4), the inside of installation cavity (901) is close to the position rotation of top and is connected with dwang (903), and the position fixedly connected with gear (904) that dwang (903) surface and movable hole (902) correspond, the lower extreme surface of connecting plate (8) and the position fixedly connected with connecting strip (905) that two sets of movable holes (902) correspond, and a plurality of tooth group (906) of equidistance fixedly connected with of connecting strip (905) one side surface, every tooth group (906) include four teeth, tooth group (906) mesh with gear (904).
3. The alloy powder extrusion molding device based on operation feedback according to claim 2, wherein torsion springs (909) are arranged on the outer surface of the rotating rod (903) at positions close to the front end and the rear end, one end of each torsion spring (909) is fixedly connected with the rotating rod (903), the other end of each torsion spring is fixedly connected with the mounting cavity (901), connecting rods (907) are fixedly connected to the positions, close to the two ends, of the outer surface of the rotating rod (903), collision rollers (908) are fixedly connected to one ends, far away from the rotating rod (903), of the two groups of connecting rods (907), and the collision rollers (908) are not contacted with the mounting cavities (901) in a natural state.
4. The alloy powder extrusion molding device based on operation feedback according to claim 1, wherein the upper die assembly (7) comprises a connecting block (701), a fixed plate (702), a movable cavity (703) and a movable groove (704), the lower end outer surface of the connecting plate (8) is fixedly connected with the connecting block (701), the lower end outer surface of the connecting block (701) is fixedly connected with the fixed plate (702), the movable cavity (703) is formed in the fixed plate (702), the movable groove (704) is formed in the connecting block (701), a connecting hole is formed between the movable groove (704) and the movable cavity (703), a motor (705) is arranged at the top end of the inner surface of the movable groove (704), and the first mounting plate (706) is fixedly connected with the output end of the motor (705).
5. The alloy powder extrusion molding device based on operation feedback according to claim 4, wherein a connecting column (707) is fixedly connected to a position, close to the edge, of the outer surface of the lower end of the first mounting plate (706), the connecting column (707) penetrates through the connecting hole and extends to the second mounting plate (708) fixedly connected to the inside of the movable cavity (703), a shaking plate (709) is arranged below the second mounting plate (708), a hard transparent plate (710) is fixedly connected to the outer surface of the lower end of the fixed plate (702) in an embedded mode, and three groups of distance sensors (711) are arranged on the outer surface of the lower end of the shaking plate (709) at equal distances.
6. The alloy powder extrusion molding device based on operation feedback according to claim 5, wherein a plurality of groups of first springs (712) are arranged between the shaking plate (709) and the second mounting plate (708), one ends of the first springs (712) are fixedly connected with the second mounting plate (708), the other ends of the first springs are fixedly connected with the shaking plate (709), two groups of limiting rods (713) are symmetrically and fixedly connected with the outer surface of the shaking plate (709), annular grooves (714) are formed in positions, corresponding to the limiting rods (713), of the inner part of the movable cavity (703), one ends of the limiting rods (713) penetrate through the annular grooves (714) and are movably connected with the annular grooves, balls (715) are embedded in one ends, far away from the shaking plate (709), of the outer surface of the limiting rods (713), and the inner surfaces of the annular grooves (714) are attached.
7. The alloy powder extrusion molding device based on operation feedback according to claim 6, wherein a control panel is arranged on the outer surface of one side of the operation frame (1), and a data acquisition module, an analysis module and an execution module are arranged inside the control panel;
the data acquisition module is used for acquiring the distribution data of the alloy powder in the die cavity (10) and sending the distribution data to the analysis module, the analysis module is used for receiving the distribution data of the alloy powder in the die cavity (10) and carrying out analysis processing operation on the distribution data, generating corresponding signals according to analysis processing results and sending the generated signals to the execution module, and the execution module is used for receiving the signals and carrying out corresponding processing according to the received signals.
8. The operation feedback-based alloy powder extrusion apparatus of claim 7, wherein the analytical processing operation comprises the steps of:
step one, after receiving the distribution data of the alloy powder in the die cavity (10), analyzing and processing the distribution data, wherein three groups of distribution data of the alloy powder in the die cavity (10) are provided;
the distribution data of the alloy powder in the second and third groups of die cavities (10) are the distance between the distance sensor (711) and the top end of the alloy powder in the corresponding area, and the distribution data of the alloy powder in the third groups of die cavities (10) are respectively marked as L1, L2 and L3;
step three, constructing a set A= { L1, L2 and L3}, obtaining three groups of distributed data extreme difference values C according to a formula C= max (A) -min (A), obtaining an extreme difference threshold B, and generating an execution signal when C is more than or equal to B; when C < B, no treatment is done.
9. An alloy powder extrusion method based on operation feedback for an alloy powder extrusion apparatus based on operation feedback as set forth in any one of claims 1 to 7, comprising the steps of:
firstly, quantitatively feeding materials into a die cavity (10) by using external feeding equipment, after the feeding is finished, starting an air cylinder (6), pushing a movable plate (5) to move downwards by the output end of the air cylinder (6), enabling a connecting bar (905) to enter the inside of a mounting cavity (901) through a movable hole (902), and enabling a rotating rod (903) to drive a connecting plate (8) to rotate with a collision roller (908) under the driving of the rotating rod (906) when a tooth group (906) is meshed with a gear (904), wherein the collision roller (908) collides with the inner wall of the mounting cavity (901), and enabling the rotating rod (903) to rotate under the action of a torsion spring (909) when the tooth group (906) is separated from a rack;
step two, in the process of downward movement of the movable plate (5), a plurality of groups of tooth groups (906) are repeatedly meshed and separated with the gear (904), so that the collision roller (908) repeatedly collides with the inner wall of the mounting cavity (901) and vibrates, and alloy powder in the die cavity (10) can be assisted to be uniformly distributed;
step three, after the first group of teeth (906) is meshed with and separated from the gear (904), the connecting plate (8) enters the die cavity (10), and at the moment, three groups of distance sensors (711) collect distribution data of alloy powder in the die cavity (10) and send the distribution data to a data analysis module;
step four, after the execution module receives the execution signal, the motor (705) is controlled to run, the motor (705) drives the first mounting plate (706) to rotate in the process of moving downwards along with the connecting plate (8), the second mounting plate (708) drives the shaking plate (709) to rotate along with the first mounting plate (706), and as the second mounting plate (708) is in elastic connection with the shaking plate (709), the shaking plate (709) repeatedly drives the limiting rod (713) to shake left and right in the rotating process, so that the balls (715) collide with the annular grooves (714) and vibrate, the connecting plate (8) firstly transmits vibration to the die cavity (10), and after the connecting plate (8) contacts with alloy powder, the connecting plate (8) transmits the vibration to the alloy powder, so that the alloy powder can be enabled to be consistent in thickness in the die cavity (10) when the alloy powder is pressed downwards by the connecting plate (8).
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