CN112496324A - Extrusion forming method of metal powder - Google Patents
Extrusion forming method of metal powder Download PDFInfo
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- CN112496324A CN112496324A CN202011283770.3A CN202011283770A CN112496324A CN 112496324 A CN112496324 A CN 112496324A CN 202011283770 A CN202011283770 A CN 202011283770A CN 112496324 A CN112496324 A CN 112496324A
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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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
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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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Abstract
The invention relates to the technical field of powder processing, and discloses an extrusion forming method of metal powder. This extrusion device that can automatic feeding will drive the extrusion hammer through the in-process of link up-and-down motion and can carry out the extrusion of position from top to bottom to the powder, shifts up when the extrusion hammer, and the space that flows provides the powder and carries out in the cavity for carry out automatic feeding at every turn, and material at every turn is unanimous basically, and the quality effect homogeneous phase of extrusion at every turn of assurance that can be fine improves the overall quality of product.
Description
Technical Field
The invention relates to the technical field of powder processing, in particular to an extrusion forming method of metal powder.
Background
The workpiece pressed by the metal powder raw material is fast in forming and simple in process, so that the metal powder forming machine is widely used in the machining industry, and a feeding device is usually arranged on the metal powder forming machine in order to improve the machining efficiency. The metal powder raw materials can be automatically conveyed to the die of the powder forming machine through the feeding device, and then can be subjected to punch forming through the downward pressing punch head, many existing forming extrusion devices cannot realize automatic feeding, so that feeding is required after manual forging and pressing once, the problems of poor control of component and low efficiency are caused in the extrusion forming process, and the problem that the extrusion effect is influenced due to the fact that the inside powder is stuck together and agglomerated in the extrusion forming process is generally caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an extrusion forming method of metal powder, which solves the problems that the feeding and discharging of powder processing forging extrusion are inconvenient, the manual feeding component is not easy to control, and the powder is easy to agglomerate.
In order to achieve the purpose, the invention provides the following technical scheme: an extrusion forming method of metal powder is based on an extrusion device capable of achieving automatic feeding and discharging, and comprises a rack, wherein a material guide plate is fixedly connected to the bottom of the rack, a fixed sliding plate is fixedly connected to the inside of the rack, a material pushing mechanism is arranged on the surface of the rack, a motor is connected to the right side of the rack through a bolt, an extrusion mechanism is arranged at the output end of the motor, a box body is fixedly connected to the inner wall of the rack, a mixing mechanism is arranged inside the box body, an extrusion box is fixedly connected to the bottom of the box body, and a feeding box is fixedly mounted at the top of the box body; the extrusion mechanism comprises a rotating shaft, the surface of the rotating shaft is rotatably connected inside the rack, the right end of the rotating shaft is fixedly connected to the output end of the motor, the surface of the rotating shaft is fixedly connected with an upper gear, the surface of the upper gear is rotatably connected with a gear carrier, the inside of the gear carrier is rotatably connected with a lower gear, the lower gear is positioned below the upper gear, the surface of the upper gear and the surface of the lower gear are meshed with each other, and the distance between the central position of the rotating shaft and the axis of the upper gear is 20 mm; the mixing mechanism comprises a first belt pulley, the surface of the first belt pulley is in transmission connection with the surface of a second belt pulley through a belt, the axis of the first belt pulley is fixedly connected to the surface of the rotating shaft, the axis of the second belt pulley is fixedly connected with a driving shaft, the surface of the driving shaft is rotatably connected to the inside of the box body, the front end of the driving shaft sequentially penetrates through the box body and the protective cover and is fixedly connected with the axis of the driving gear, the surface of the driving gear is meshed with a gear sleeve, the bottom of the gear sleeve is fixedly connected with a mixing frame, and the surface of the mixing frame is rotatably connected to the inner wall of the box; the material pushing mechanism comprises a sliding plate, a guide block is welded at the bottom of the sliding plate, a connecting rod is connected to the surface of the sliding plate in a sliding mode, the surface of the connecting rod is connected to the inner wall of a sliding groove in a sliding mode, a mold box is fixedly connected to the surface of the connecting rod, the mold box is located right below an extrusion box, a baffle is fixedly connected to the surface of the mold box, a turnover plate is rotatably connected to the bottom of the mold box, and the bottom of the turnover plate is in contact with the upper surface of a fixed sliding plate;
the extrusion molding method comprises the following steps:
1) pouring powder into the box body from the position of the feeding box;
2) starting a control motor, enabling an upper gear and a lower gear to eccentrically rotate through a rotating shaft, and further enabling the connecting frame to move up and down to drive an extrusion hammer to perform extrusion forming on powder at the upper position and the lower position; in the process of controlling the motor to rotate, the mixing frame is driven to rotate so as to stir and mix the powder inside;
3) and finally, after the extrusion shaft finishes extrusion, when the extrusion shaft moves upwards, the guide block is driven to move upwards through the sliding plate, the guide block slides in a triangular shape, the forward movement of the die box is driven, and after the forward movement for a certain distance, the turnover plate rotates to pour out the extruded powder product to flow to the position of the guide plate when the turnover plate is separated from the fixed sliding plate.
Preferably, two sliding grooves are formed in the surface of the rack, and the two sliding grooves are symmetrically distributed by taking the center line of the rack as a symmetry axis.
Preferably, the surface of lower gear rotates and is connected with the link, the inside fixedly connected with limit slide bar of link, limit slide bar's surface sliding connection is in the inside of frame, the bottom fixedly connected with extrusion axle of link, the bottom fixedly connected with extrusion hammer of extrusion axle, the extrusion hammer is located the inside of extrusion case, the diameter of extrusion hammer is the same with the inner wall diameter of extrusion case.
Preferably, the heat treatment hardness of the extrusion hammer is 25HRC, and the extrusion hammer is made of titanium alloy.
Preferably, the axle center department of gear sleeve rotates the surface of connecting at the extrusion axle, the inside of protection casing is connected with the surperficial rotation of extrusion axle, the structure of protection casing is the taper shape, gear sleeve and drive gear all are located the inside of protection casing.
Preferably, the surface of the connecting rod is fixedly connected with a spring plate, the rear part of the spring plate is fixedly connected with a spring, the rear part of the spring is fixedly connected with a support plate, the surface of the support plate is fixedly connected with the surface of the rack, the springs are arranged in quantity, and the two springs are symmetrically distributed by taking the central line of the rack as a symmetry axis.
Compared with the prior art, the invention provides the extrusion forming method of the metal powder, which has the following beneficial effects:
1. this can automatic feeding's extrusion method, the in-process through link up-and-down motion will drive the extrusion hammer can carry out the extrusion of upper and lower position to the powder, and when extrusion hammer upward movement, the powder flows into the inside of die box through the inflow extrusion case of conical box again, shift up when the extrusion hammer, the space of outflow provides the powder and carries out in the cavity, make at every turn carry out automatic feeding, and material at every turn is unanimous basically, the quality effect homogeneous phase of extrusion at every turn of assurance that can be fine, thereby guarantee product quality's uniformity that can be fine, improve the overall quality of product.
2. This can automatic feeding's extrusion method, the meshing eccentric rotation through two gears, so the pulling distance from top to bottom is two gear rotation eccentric distance sums, and whole stroke from top to bottom will grow, and the meshing through the gear makes holistic atress more even, improves its holistic life, and if adopt the connecting rod, the extrusion force that receives is very big, and the moment is big more to the damage of connecting rod just also big more.
3. This can automatic feeding's extrusion method, the motor is at the pivoted in-process, through the transmission of belt, will drive the rotation of drive shaft, and the drive shaft drives the gear sleeve through gear engagement and rotates, and the gear sleeve is rotatory to be driven and to be mixed the frame and rotate, and the frame rotation of mixing will stir the mixture to inside powder for inside powder can not stick together, the condition of caking appears, influences the extrusion effect, fully guarantees the even degree of inside powder.
4. This can automatic feeding's extrusion method, the triangle-shaped through the guide block slides, will drive the antedisplacement of mould case, and when the returning face plate broke away from with fixed slide after a distance of antedisplacement, received the gravity effect, the returning face plate will rotate, will extrude the powder product after pouring out to realize the effect of the product automatic discharging after the extrusion, improved holistic processing and become the efficiency of producing.
5. According to the extrusion method capable of automatically feeding, when the sliding plate moves downwards, the die box is pulled by the action of the spring to pull the connecting rod, so that the original position of the die box is pulled, uninterrupted operation of grinding and extrusion processing is realized, and the overall processing efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall front structure of an extrusion molding method of metal powder according to the present invention;
FIG. 2 is a schematic view of the overall back structure of an extrusion molding method of metal powder according to the present invention;
FIG. 3 is a schematic view of an extruding mechanism of an extruding method of metal powder according to the present invention;
FIG. 4 is a schematic view of a mixing mechanism of an extrusion molding method of metal powder according to the present invention;
fig. 5 is a schematic view of a material pushing mechanism of the extrusion molding method of metal powder according to the present invention.
In the figure: 1. a frame; 2. a material guide plate; 3. fixing the sliding plate; 4. a motor; 5. an extrusion mechanism; 501. an upper gear; 502. a gear carrier; 503. a lower gear; 504. a connecting frame; 505. a limiting slide bar; 506. extruding the shaft; 507. extruding a hammer; 508. a rotating shaft; 6. a mixing mechanism; 61. a first belt pulley; 62. a second belt pulley; 63. a drive shaft; 64. a drive gear; 65. a gear sleeve; 66. a mixing frame; 67. a protective cover; 7. a material pushing mechanism; 71. a sliding plate; 72. a mould box; 73. a turnover plate; 74. a connecting rod; 75. a spring; 76. a mounting plate; 77. a guide block; 78. a spring plate; 79. a baffle plate; 8. a box body; 9. a feed box; 10. a chute; 11. and (5) extruding the box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an extrusion molding method of metal powder includes a frame 1, a material guide plate 2 fixedly connected to the bottom of the frame 1, a fixed sliding plate 3 fixedly connected to the inside of the frame 1, a material pushing mechanism 7 arranged on the surface of the frame 1, a motor 4 connected to the right side of the frame 1 through a bolt, an extrusion mechanism 5 arranged at the output end of the motor 4, a box body 8 fixedly connected to the inner wall of the frame 1, a mixing mechanism 6 arranged inside the box body 8, an extrusion box 11 fixedly connected to the bottom of the box body 8, and a feeding box 9 fixedly mounted at the top of the box body 8.
In this embodiment, two sliding grooves 10 are formed in the surface of the frame 1, the two sliding grooves 10 are symmetrically distributed with the center line of the frame 1 as a symmetry axis, and the two sliding grooves 10 limit the position of the pushing mechanism 7, so that the pushing mechanism can only move forward and backward to discharge material, and the overall motion stability of the device is maintained.
Furthermore, the squeezing mechanism 5 includes a rotating shaft 508, the surface of the rotating shaft 508 is rotatably connected to the inside of the frame 1, the right end of the rotating shaft 508 is fixedly connected to the output end of the motor 4, the surface of the rotating shaft 508 is fixedly connected with an upper gear 501, the surface of the upper gear 501 is rotatably connected with a gear rack 502, the inside of the gear rack 502 is rotatably connected with a lower gear 503, the lower gear 503 is positioned below the upper gear 501, the surface of the upper gear 501 and the surface of the lower gear 503 are meshed with each other, the distance between the center position of the rotating shaft 508 and the axial center of the upper gear 501 is 20mm, and the upper gear and the lower gear are eccentrically rotated by meshing with each other, so that the upper and the lower pulling distance is the sum of the rotating eccentric distances of the two gears, the whole upper and lower stroke will be enlarged, the whole stress is more uniform through the meshing of the gears, the service, the larger the moment, the greater the damage to the connecting rod.
Furthermore, a connecting frame 504 is rotatably connected to the surface of the lower gear 503, a limit slide bar 505 is fixedly connected to the inside of the connecting frame 504, the surface of the limit slide bar 505 is slidably connected to the inside of the frame 1, a pressing shaft 506 is fixedly connected to the bottom of the connecting frame 504, a pressing hammer 507 is fixedly connected to the bottom of the pressing shaft 506, the pressing hammer 507 is located inside the pressing box 11, the diameter of the pressing hammer 507 is the same as the diameter of the inner wall of the pressing box 11, when the pressing hammer 507 moves upward, the powder flows into the pressing box 11 via the tapered box 8 and then flows into the inside of the die box 72, when the pressing hammer 507 moves upwards, the discharged gap provides powder to enter the cavity, so that each time automatic feeding is carried out, the materials in each time are basically consistent, and the quality effect of each extrusion can be well ensured to be the same, so that the consistency of the product quality can be well ensured, and the overall quality of the product is improved.
In addition, the heat treatment hardness of the extrusion hammer 507 is 25HRC, the extrusion hammer 507 is made of titanium alloy, and the heat treatment on the extrusion hammer 507 is conducted in multiple pairs, so that the hardness of the extrusion hammer 507 is improved, the stress is more stable in the extrusion process, the titanium alloy has the effects of high strength, corrosion resistance and heat resistance, and the service life of the whole equipment is prolonged.
Referring to fig. 4-5, the mixing mechanism 6 includes a first belt pulley 61, a surface of the first belt pulley 61 is in transmission connection with a surface of a second belt pulley 62 through a belt, an axial center of the first belt pulley 61 is fixedly connected to a surface of the rotating shaft 508, an axial center of the second belt pulley 62 is fixedly connected to a driving shaft 63, a surface of the driving shaft 63 is rotatably connected to an inside of the box 8, a front end of the driving shaft 63 sequentially penetrates through the box 8 and the shield 67 and is fixedly connected to an axial center of the driving gear 64, a gear sleeve 65 is engaged with a surface of the driving gear 64, a mixing frame 66 is fixedly connected to a bottom of the gear sleeve 65, a surface of the mixing frame 66 is rotatably connected to an inner wall of the box 8, the driving shaft 63 is driven to rotate by the belt, the driving shaft 63 drives the gear sleeve 65 and the mixing frame 66 to rotate through gear engagement, so as to, the caking condition appears, the extrusion effect is influenced, and the uniformity of the powder inside is fully ensured.
In this embodiment, the axle center department of gear sleeve 65 rotates the surface of connecting at extrusion axle 506, the inside of protection casing 67 is connected with the surface rotation of extrusion axle 506, the structure of protection casing 67 is conical, gear sleeve 65 and drive gear 64 all are located the inside of protection casing 67, protection casing 67 through the design, the transmission of assurance gear that can be fine, avoid the powder to get into gear engagement's position, influence gear engagement, the overall motion stability of equipment has been guaranteed, and conical protection casing 67 also can protect the powder that gets into box 8 from the position of charging box 9.
Further, the material pushing mechanism 7 includes a sliding plate 71, a guide block 77 is welded at the bottom of the sliding plate 71, a connecting rod 74 is connected on the surface of the sliding plate 71 in a sliding manner, the surface of the connecting rod 74 is connected on the inner wall of the chute 10 in a sliding manner, a mold box 72 is fixedly connected on the surface of the connecting rod 74, the mold box 72 is located right below the extrusion box 11, a baffle 79 is fixedly connected on the surface of the mold box 72, a turnover plate 73 is rotatably connected at the bottom of the mold box 72, the bottom of the turnover plate 73 is in contact with the upper surface of the fixed sliding plate 3, and the mold box 72 is driven to move forward through the triangular sliding of the guide block 77, when the turnover plate 73 is separated from the fixed sliding plate 3 after moving forward for a certain distance, the turnover plate 73 will rotate under the effect of gravity, and the extruded powder product is poured out, thereby realizing the effect of automatic discharging of the extruded product and improving the integral processing efficiency.
Further, the fixed surface of connecting rod 74 connects spring plate 78, the rear portion fixedly connected with spring 75 of spring plate 78, the rear portion fixedly connected with mounting plate 76 of spring 75, the fixed surface of mounting plate 76 is connected on the surface of frame 1, the quantity of spring 75 is provided with, and two springs 75 all use the central line of frame 1 as symmetry axis symmetric distribution, and the realization that can be fine through two springs 75 of design is to the automatic re-setting effect of mould case 72, make the power of drawing of both sides all the same, and mould case 72 receives the effect pulling connecting rod 74 of spring 75, thereby the normal position that pulls mould case 72 and reply, realize the incessant operation to grinding extrusion, improve holistic machining efficiency.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle is that the powder is poured into the box body 8 from the position of the feeding box 9, then the motor 4 is controlled to start, the motor 4 rotates to drive the rotating shaft 508, the rotating shaft 508 can drive the upper gear 501 to rotate, the upper gear 501 can eccentrically rotate due to the eccentric action, the eccentric rotation process can drive the lower gear 503 to rotate, the connecting frame 504 can move up and down due to the meshed eccentric rotation of the two gears, the up and down pulling distance is the sum of the eccentric distances of the rotation of the two gears due to the eccentric action of the two gears, the whole up and down stroke can be increased, the whole stress is more uniform due to the meshing of the gears, the extrusion force is large if the connecting rod is adopted, the larger the moment is, the larger the damage to the connecting rod is larger, and the service life of the connecting rod is greatly influenced, the connecting frame 504 will drive the extrusion shaft 506 to move downwards in the process of moving up and down, so that the extrusion hammer 507 can extrude the powder in the up and down position, when the extrusion hammer 507 moves upwards, the powder flows into the extrusion box 11 through the conical box body 8 and then flows into the die box 72, and because the extrusion box 11 and the die box 72 have the same size, when the extrusion hammer 507 moves upwards, the flowing gap provides the powder for the cavity, so that the automatic feeding is performed each time, the materials on each time are basically consistent, the quality effect of each extrusion can be well guaranteed to be the same, the consistency of the product quality can be well guaranteed, meanwhile, the motor 4 can drive the driving shaft 63 to rotate through the transmission of the belt in the rotating process, the driving shaft 63 can drive the driving gear 64 to rotate in the rotating process, and the driving gear 64 drives the gear sleeve 65 to rotate through the meshing, the gear sleeve 65 rotates to drive the mixing frame 66 to rotate, the mixing frame 66 rotates to stir and mix the powder inside, so that the powder inside cannot be stuck together, the situation of agglomeration occurs, the extrusion effect is affected, and the uniformity of the powder inside is fully ensured, the gear sleeve 65 rotates on the extrusion shaft 506 and can slide up and down, so that the up-and-down movement of the extrusion shaft 506 cannot interfere and affect the rotation of the mixing frame 66, finally, when the extrusion shaft 506 finishes extrusion and moves upwards, the sliding plate 71 drives the guide block 77 to move upwards, the triangular sliding of the guide block 77 drives the mold box 72 to move forwards, after moving forwards for a certain distance, the turnover plate 73 is separated from the fixed sliding plate 3 and is subjected to the gravity effect, the turnover plate 73 rotates to pour out the extruded powder product, and then the powder flows to the position of the guide plate 2, and when the sliding plate 71 moves downwards, the guide block 77 is separated, the die box 72 is pulled by the spring 75 to pull the connecting rod 74, so that the original position of the die box 72 is pulled, the uninterrupted operation of grinding and extrusion processing is realized, and the overall processing efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (6)
1. An extrusion forming method of metal powder is based on an extrusion device capable of achieving automatic feeding and discharging, and comprises a rack (1), wherein a material guide plate (2) is fixedly connected to the bottom of the rack (1), a fixed sliding plate (3) is fixedly connected to the inside of the rack (1), a material pushing mechanism (7) is arranged on the surface of the rack (1), a motor (4) is connected to the right side of the rack (1) through a bolt, an extrusion mechanism (5) is arranged at the output end of the motor (4), a box body (8) is fixedly connected to the inner wall of the rack (1), a mixing mechanism (6) is arranged inside the box body (8), an extrusion box (11) is fixedly connected to the bottom of the box body (8), and a feeding box (9) is fixedly mounted at the top of the box body (8); the extrusion mechanism (5) comprises a rotating shaft (508), the surface of the rotating shaft (508) is rotatably connected inside the rack (1), the right end of the rotating shaft (508) is fixedly connected to the output end of the motor (4), the surface of the rotating shaft (508) is fixedly connected with an upper gear (501), the surface of the upper gear (501) is rotatably connected with a gear carrier (502), the inside of the gear carrier (502) is rotatably connected with a lower gear (503), the lower gear (503) is positioned below the upper gear (501), the surface of the upper gear (501) is meshed with the surface of the lower gear (503), and the distance between the center position of the rotating shaft (508) and the axis of the upper gear (501) is 20 mm; the mixing mechanism (6) comprises a first belt pulley (61), the surface of the first belt pulley (61) is in transmission connection with the surface of a second belt pulley (62) through a belt, the axis of the first belt pulley (61) is fixedly connected to the surface of a rotating shaft (508), the axis of the second belt pulley (62) is fixedly connected with a driving shaft (63), the surface of the driving shaft (63) is rotatably connected to the inside of the box body (8), the front end of the driving shaft (63) sequentially penetrates through the box body (8) and the protective cover (67) and is fixedly connected with the axis of a driving gear (64), the surface of the driving gear (64) is meshed with a gear sleeve (65), the bottom of the gear sleeve (65) is fixedly connected with a mixing frame (66), and the surface of the mixing frame (66) is rotatably connected to the inner wall of the box body (8); the material pushing mechanism (7) comprises a sliding plate (71), a guide block (77) is welded at the bottom of the sliding plate (71), a connecting rod (74) is connected to the surface of the sliding plate (71) in a sliding mode, the surface of the connecting rod (74) is connected to the inner wall of the sliding groove (10) in a sliding mode, a mold box (72) is fixedly connected to the surface of the connecting rod (74), the mold box (72) is located right below the extrusion box (11), a baffle (79) is fixedly connected to the surface of the mold box (72), a turnover plate (73) is rotatably connected to the bottom of the mold box (72), and the bottom of the turnover plate (73) is in contact with the upper surface of the fixed sliding plate (3);
the extrusion molding method comprises the following steps:
1) pouring the powder into the box body (8) from the position of the feeding box (9);
2) starting a control motor (4), enabling an upper gear (501) and a lower gear (503) to eccentrically rotate through a rotating shaft 508, and further enabling a connecting frame (504) to move up and down to drive an extrusion hammer 507 to perform up-and-down extrusion forming on powder; in the rotation process of the control motor (4), the mixing frame (66) is driven to rotate so as to stir and mix the powder inside;
3) and finally, after the extrusion shaft (506) finishes extrusion, when the extrusion shaft moves upwards, the sliding plate (71) drives the guide block (77) to move upwards, the guide block (77) slides in a triangular shape to drive the mold box (72) to move forwards, and after the extrusion shaft moves forwards for a certain distance, the overturning plate (73) rotates to pour out the extruded powder product to flow to the position of the material guide plate (2) when the overturning plate (73) is separated from the fixed sliding plate (3).
2. The extrusion molding method of metal powder as claimed in claim 1, wherein: two sliding grooves (10) are formed in the surface of the rack (1), and the two sliding grooves (10) are symmetrically distributed by taking the center line of the rack (1) as a symmetry axis.
3. A method of extrusion molding of metal powder as claimed in claim 2, wherein: the surface of lower gear (503) is rotated and is connected with link (504), the inside fixedly connected with of link (504) is spacing slide bar (505), the inside of the surface sliding connection of spacing slide bar (505) in frame (1), the bottom fixedly connected with extrusion axle (506) of link (504), the bottom fixedly connected with extrusion hammer (507) of extrusion axle (506), extrusion hammer (507) are located the inside of squeeze box (11), the diameter of extrusion hammer (507) is the same with the inner wall diameter of squeeze box (11).
4. The extrusion molding method of metal powder as claimed in claim 1, wherein: the heat treatment hardness of the extrusion hammer (507) is 25HRC, and the extrusion hammer (507) is made of titanium alloy.
5. The extrusion molding method of metal powder as claimed in claim 4, wherein: the axle center department of gear sleeve (65) rotates the surface of connecting at extrusion axle (506), the inside of protection casing (67) rotates with the surface of extrusion axle (506) to be connected, the structure of protection casing (67) is conical, gear sleeve (65) and drive gear (64) all are located the inside of protection casing (67).
6. The extrusion molding method of metal powder as claimed in claim 1, wherein: the surface fixed connection spring board (78) of connecting rod (74), the rear portion fixedly connected with spring (75) of spring board (78), the rear portion fixedly connected with mounting panel (76) of spring (75), the fixed surface of mounting panel (76) is connected on the surface of frame (1), the quantity of spring (75) is provided with, and two spring (75) all use the central line of frame (1) as symmetry axis symmetric distribution.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011283770.3A CN112496324A (en) | 2020-11-17 | 2020-11-17 | Extrusion forming method of metal powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011283770.3A CN112496324A (en) | 2020-11-17 | 2020-11-17 | Extrusion forming method of metal powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113488304A (en) * | 2021-07-08 | 2021-10-08 | 马桂英 | Composite permanent magnetic material and processing technology thereof |
| CN113894283A (en) * | 2021-09-09 | 2022-01-07 | 盐城金刚星精密锻造有限公司 | Special die for forming bevel gear |
| CN115350529A (en) * | 2022-08-01 | 2022-11-18 | 黄丽丽 | Preparation method of low-density sewage treatment material |
| CN118321548A (en) * | 2024-04-18 | 2024-07-12 | 中山市万达机械自动化科技有限公司 | Top-pushing type mold opening oil press |
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2020
- 2020-11-17 CN CN202011283770.3A patent/CN112496324A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488304A (en) * | 2021-07-08 | 2021-10-08 | 马桂英 | Composite permanent magnetic material and processing technology thereof |
| CN113894283A (en) * | 2021-09-09 | 2022-01-07 | 盐城金刚星精密锻造有限公司 | Special die for forming bevel gear |
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