CN115096049B - Constant-temperature vacuum vertical stirring dryer for hard alloy production - Google Patents

Constant-temperature vacuum vertical stirring dryer for hard alloy production Download PDF

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Publication number
CN115096049B
CN115096049B CN202210789384.4A CN202210789384A CN115096049B CN 115096049 B CN115096049 B CN 115096049B CN 202210789384 A CN202210789384 A CN 202210789384A CN 115096049 B CN115096049 B CN 115096049B
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CN
China
Prior art keywords
drying cylinder
rotating shaft
filter screen
guide pipe
stirring
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CN202210789384.4A
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Chinese (zh)
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CN115096049A (en
Inventor
谭显林
黄国军
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Zhuzhou Hongtong Cemented Carbide Co ltd
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Zhuzhou Hongtong Cemented Carbide Co ltd
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Publication of CN115096049A publication Critical patent/CN115096049A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/14Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04Agitating, stirring, or scraping devices
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model discloses a constant-temperature vacuum vertical stirring dryer for hard alloy production, which relates to the technical field of hard alloy production and comprises a drying cylinder, a heating rod, a vacuum pump, a temperature sensor and a thermostat, and is characterized in that: the heating rod, the temperature sensor and the thermostat are all arranged in the drying cylinder, and are electrically connected, and the drying cylinder is provided with a filtering and scraping mechanism for filtering, scraping and recycling metal powder when water vapor is pumped; a stirring mechanism is arranged in the drying cylinder and is used for carrying out overturning and stirring operation on the metal powder; the bottom of the drying cylinder is provided with a reciprocating driving mechanism for driving the stirring mechanism to bidirectionally rotate for stirring. According to the utility model, through the filtering and scraping mechanism, the mixed metal powder can be filtered while the water vapor generated during drying is extracted, and the metal powder accumulated on the first filter screen and the second filter screen can be periodically scraped and recovered, so that the waste of the metal powder is reduced, and the practicability of the device is improved.

Description

Constant-temperature vacuum vertical stirring dryer for hard alloy production
Technical Field
The utility model relates to the technical field of hard alloy production, in particular to a constant-temperature vacuum vertical stirring dryer for hard alloy production.
Background
Cemented carbide is an alloy material made from a hard compound of a refractory metal and a binder metal by a powder metallurgical process. The hard alloy has a series of excellent properties of high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, particularly the high hardness and wear resistance of the hard alloy are basically unchanged even at the temperature of 500 ℃, and the hard alloy has high hardness at the temperature of 1000 ℃. With the high and new technology weapon equipment manufacture, advanced technology of advanced science and rapid development of nuclear energy, the demand for cemented carbide products with high technical content and high quality stability will be greatly increased.
The utility model discloses a constant temperature vacuum vertical stirring dryer for hard alloy production in Chinese patent with publication number of CN215809862U, which comprises the following technical scheme: including dry bucket, puddler, vacuum pump and spin, the top cap is installed at the top of dry bucket, installs the connecting plate through mounting bracket one on the top cap, installs branch through the installation cover on the puddler, installs the installation piece in the one end of branch, installs the connecting axle on the installation piece, installs the spin on the connecting axle, installs the stirring rod on the spin. The dryer of the utility model improves the stirring area of the stirring mechanism.
The above technical solution also has the following problems.
1. The vacuum pump sucks the water vapor inside and easily pumps out the metal powder, thereby generating waste of the metal powder.
2. The device uses conventional puddler to stir the operation to the metal powder, and is poor to the metal powder, and conventional stirring measure hardly realizes abundant stirring effect.
Disclosure of Invention
The utility model aims at the problems, and provides a constant-temperature vacuum vertical stirring dryer for producing hard alloy, which solves the problems that the existing stirring dryer is easy to extract metal powder when extracting water vapor, so that the metal powder is wasted and the stirring effect is poor.
The technical scheme adopted for solving the technical problems is as follows: the constant-temperature vacuum vertical stirring dryer for hard alloy production comprises a drying cylinder, a heating rod, a vacuum pump, a temperature sensor and a thermostat, wherein the heating rod, the temperature sensor and the thermostat are all arranged in the drying cylinder, the heating rod, the temperature sensor and the thermostat are electrically connected, and the vacuum pump is arranged on the outer wall of the drying cylinder; the drying cylinder is provided with a filtering and scraping mechanism which is used for filtering, scraping and recycling metal powder when water vapor is pumped; a stirring mechanism is arranged in the drying cylinder and is used for carrying out overturning and stirring operation on the metal powder; the bottom of the drying cylinder is provided with a reciprocating driving mechanism for driving the stirring mechanism to bidirectionally rotate for stirring; the filter scraping mechanism comprises a first guide pipe and a second guide pipe, one end of the first guide pipe is communicated with the input end of the vacuum pump, the other end of the first guide pipe is communicated with the second guide pipe, the second guide pipe penetrates through the upper side of the drying cylinder, a first filter screen is slidably installed in the second guide pipe, a plurality of spring rods are arranged between the lower side of the first filter screen and the lower end of the second guide pipe, a first weight sensor is installed on the first filter screen, a first electric cylinder acting on the first filter screen is arranged in the second guide pipe, the first weight sensor is electrically connected with the first electric cylinder, a plugging piece for closing the first guide pipe is arranged on the upper side of the first filter screen, a first rotating shaft is rotatably installed in the drying cylinder, a second filter screen matched with the lower end of the second guide pipe is fixedly connected to the first rotating shaft, a first motor is installed in the drying cylinder, a second rotating shaft is coaxially connected with an end part of the second rotating shaft, a plurality of scrapers acting on the second filter screen are arranged on the rotating shaft, a dust collector acting on the first filter screen is arranged in the drying cylinder, and the dust collector acting on the first filter screen is driven by the second filter screen.
Further, the link gear includes the spout, both sides all are provided with the spout in the drying cylinder, two spout symmetry settings, the spout is "L" type, be provided with the third pivot between two spouts, third pivot both ends all are connected with spacing slider, spacing slider of both sides slides in the spout of both sides respectively, dust catcher and third pivot fixed connection, the connecting rod piece has all been articulated at third pivot both ends, two connecting rod pieces respectively with first pivot both ends fixed connection, be provided with the second electric jar in the drying cylinder, the second electric jar output passes through the connecting rod and is connected with the third pivot, connecting rod one end is articulated with the third pivot, the connecting rod other end is articulated with the second electric jar output shaft, the second electric jar is connected with the second weight sensor electricity.
Further, the rabbling mechanism includes the fourth pivot, and the fourth pivot rotates to be installed in the dryer, and fourth pivot top both sides all are connected with first bracing piece, are provided with a plurality of puddlers on the first bracing piece, and fourth pivot below both sides all rotate and are connected with the second bracing piece, and second bracing piece top both sides all are connected with first upset board, and second bracing piece below both sides all are connected with the second upset board.
Further, the stress area of the second overturning plate is larger than that of the first overturning plate, and the rotation angle of the second supporting rod is smaller than 90 degrees.
Further, the reciprocating driving mechanism comprises a second motor and an incomplete gear, the second motor is arranged at the bottom of the drying cylinder, the incomplete gear is coaxially connected with an output shaft of the second motor, a fifth rotating shaft is arranged at the bottom of the drying cylinder in a penetrating mode and is in rotating connection with the drying cylinder, the fifth rotating shaft is coaxially connected with a fourth rotating shaft, a spur gear is coaxially connected to the fifth rotating shaft, the spur gear is meshed with the incomplete gear, and a torsion spring for enabling the spur gear to reset is sleeved on the fifth rotating shaft.
The beneficial effects of the utility model are as follows:
(1) According to the utility model, through the filtering and scraping mechanism, the mixed metal powder can be filtered while the water vapor generated during drying is extracted, and the metal powder accumulated on the first filter screen and the second filter screen can be periodically scraped and recovered, so that the waste of the metal powder is reduced, and the practicability of the device is improved.
(2) According to the utility model, through the stirring mechanism, the overturning stirring operation can be realized, and the metal powder at the bottom of the drying cylinder and the metal powder above the drying cylinder are fully stirred, so that the positions of the drying cylinder and the metal powder are exchanged, and the problems of excessive heating of the powder at the bottom or insufficient heating of the powder at the upper part are avoided.
(3) According to the utility model, through the arranged reciprocating driving mechanism, the bidirectional rotation operation of the stirring mechanism can be realized, and the stirring effect and stirring efficiency are improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the drying cylinder according to the present utility model.
Fig. 3 is a schematic view of a filter scraping mechanism according to the present utility model.
Fig. 4 is a schematic diagram of a filtering and scraping mechanism according to the present utility model.
Fig. 5 is a schematic view of a filter scraping mechanism according to the present utility model.
Fig. 6 is a schematic diagram of a filter scraping mechanism according to the present utility model.
Fig. 7 is a schematic view of a filter scraping mechanism according to the present utility model.
Fig. 8 is a schematic view of the internal structure of a second catheter according to the present utility model.
FIG. 9 is a schematic view of the stirring mechanism of the present utility model.
Reference numerals: 1. a drying cylinder; 2. a heating rod; 3. a vacuum pump; 4. a temperature sensor; 5. a thermostat; 6. a filtering and scraping mechanism; 61. a first conduit; 62. a second conduit; 63. a first filter screen; 64. a spring rod; 65. a first weight sensor; 66. a first electric cylinder; 67. a blocking member; 68. a first rotating shaft; 69. a second filter screen; 610. a second weight sensor; 611. a first motor; 612. a second rotating shaft; 613. a turntable; 614. a scraper; 615. a dust collector; 7. a stirring mechanism; 71. a fourth rotating shaft; 72. a first support bar; 73. a stirring rod; 74. a second support bar; 75. a first flipping plate; 76. a second flipping plate; 8. a reciprocating drive mechanism; 81. a second motor; 82. an incomplete gear; 83. a fifth rotating shaft; 84. spur gears; 85. a torsion spring; 9. a linkage mechanism; 91. a chute; 92. a third rotating shaft; 93. a limit sliding block; 94. a link member; 95. a second electric cylinder; 96. and (5) connecting a rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, the constant-temperature vacuum vertical stirring dryer for producing hard alloy provided by the embodiment comprises a drying cylinder 1, a heating rod 2, a vacuum pump 3, a temperature sensor 4 and a thermostat 5, wherein the heating rod 2, the temperature sensor 4 and the thermostat 5 are all arranged in the drying cylinder 1, the heating rod 2, the temperature sensor 4 and the thermostat 5 are electrically connected, and the vacuum pump 3 is arranged on the outer wall of the drying cylinder 1; the drying cylinder 1 is provided with a filtering and scraping mechanism 6 which is used for filtering, scraping and recycling metal powder when water vapor is pumped; a stirring mechanism 7 is arranged in the drying cylinder 1 and is used for carrying out overturning and stirring operation on the metal powder; the bottom of the drying cylinder 1 is provided with a reciprocating driving mechanism 8 for driving the stirring mechanism 7 to bidirectionally rotate for stirring.
As shown in fig. 1-8, the filtering and scraping mechanism 6 comprises a first duct 61 and a second duct 62, one end of the first duct 61 is communicated with the input end of the vacuum pump 3, the other end of the first duct 61 is communicated with the second duct 62, the second duct 62 penetrates through the upper side of the drying cylinder 1, a first filter screen 63 is slidably mounted in the second duct 62, a plurality of spring rods 64 are arranged between the lower side of the first filter screen 63 and the lower end of the second duct 62, a first weight sensor 65 is mounted on the first filter screen 63, a first electric cylinder 66 acting on the first filter screen 63 is arranged in the second duct 62, the first weight sensor 65 is electrically connected with the first electric cylinder 66, a blocking piece 67 for blocking the first duct 61 is arranged on the upper side of the first filter screen 63, a first rotating shaft 68 is rotatably mounted on the drying cylinder 1, a second filter screen 69 matched with the lower end of the second duct 62 is fixedly connected on the first rotating shaft 68, a first motor 611 is mounted in the drying cylinder 1, a first weight sensor 65 is mounted on the lower side of the first filter screen 63, a first filter screen 612 is coaxially connected with the first motor output shaft 611, a second filter screen 612 is connected with the first rotating shaft 69, a plurality of rotating shafts 612 are connected with the first filter screen 69 and a rotating shaft 613 acting on the first filter screen 69, a plurality of rotating shafts 615 are arranged in a linkage mechanism is arranged in the drying cylinder 1, and a rotating cylinder 615 is used for driving the rotating cylinder 69 is arranged.
As shown in fig. 3-8, the linkage mechanism 9 includes a sliding groove 91, two sliding grooves 91 are symmetrically arranged on two sides in the drying cylinder 1, the sliding groove 91 is in an L shape, a third rotating shaft 92 is arranged between the two sliding grooves 91, two ends of the third rotating shaft 92 are connected with limiting sliding blocks 93, the limiting sliding blocks 93 on two sides slide in the sliding grooves 91 on two sides respectively, a dust collector 615 is fixedly connected with the third rotating shaft 92, two ends of the third rotating shaft 92 are hinged with connecting rod pieces 94, the two connecting rod pieces 94 are fixedly connected with two ends of the first rotating shaft 68 respectively, a second electric cylinder 95 is arranged in the drying cylinder 1, the output end of the second electric cylinder 95 is connected with the third rotating shaft 92 through a connecting rod 96, one end of the connecting rod 96 is hinged with the third rotating shaft 92, the other end of the connecting rod 96 is hinged with an output shaft of the second electric cylinder 95, and the second electric cylinder 95 is electrically connected with the second weight sensor 610.
As shown in fig. 2 and 9, the stirring mechanism 7 includes a fourth rotating shaft 71, the fourth rotating shaft 71 is rotatably mounted in the drying cylinder 1, both sides above the fourth rotating shaft 71 are connected with first supporting rods 72, a plurality of stirring rods 73 are arranged on the first supporting rods 72, both sides below the fourth rotating shaft 71 are rotatably connected with second supporting rods 74, both sides above the second supporting rods 74 are connected with first overturning plates 75, and both sides below the second supporting rods 74 are connected with second overturning plates 76.
As shown in fig. 9, the stress area of the second flipping plate 76 is larger than that of the first flipping plate 75, and the rotation angle of the second supporting bar 74 is smaller than 90 degrees.
As shown in fig. 2 and 9, the reciprocating driving mechanism 8 includes a second motor 81 and an incomplete gear 82, the second motor 81 is mounted at the bottom of the drying cylinder 1, the incomplete gear 82 is coaxially connected with an output shaft of the second motor 81, the bottom of the drying cylinder 1 is provided with a fifth rotating shaft 83 in a penetrating manner and is rotationally connected with the fifth rotating shaft 83, the fifth rotating shaft 83 is coaxially connected with the fourth rotating shaft 71, a spur gear 84 is coaxially connected with the fifth rotating shaft 83, the spur gear 84 is meshed with the incomplete gear 82, and a torsion spring 85 for resetting the fifth rotating shaft 83 is sleeved on the fifth rotating shaft.
The working principle of the utility model is as follows.
Step one: in the process of drying metal powder, the heating rod 2 is operated, the heating temperature of the heating rod 2 is controlled through the temperature sensor 4 and the thermostat 5, the vacuum pump 3 is operated to pump out water vapor generated in the heating process, and in the process of normally pumping water vapor, the plugging piece 67 is separated from the first guide pipe 61 due to the acting force of the spring rod 64, and the first guide pipe 61 is communicated with the second guide pipe 62.
Step two: the metal powder stirring operation is carried out to fully dry the metal powder, the second motor 81 is operated to drive the incomplete gear 82 to rotate, the incomplete gear 82 rotates to drive the spur gear 84 and the fifth rotating shaft 83 to rotate, the incomplete gear 82 is meshed with the spur gear 84 to drive the fifth rotating shaft 83 to rotate for a certain angle, then the incomplete gear 82 is separated from the spur gear 84, the fifth rotating shaft 83 is reset due to the acting force of the torsion spring 85, the bidirectional reciprocating rotation of the fourth rotating shaft 71 is further realized, the fourth rotating shaft 71 drives the first supporting rod 72 and the stirring rod 73 to rotate while rotating, the metal powder in the drying cylinder 1 is stirred to be heated uniformly, the drying is accelerated, the fourth rotating shaft 71 rotates and drives the second supporting rod 74 to rotate around the axis of the fourth rotating shaft 71, and the stress area of the second overturning plate 76 is larger than that of the first overturning plate 75, the second turnover plate 76 is located at the lower side in the drying cylinder 1, the first turnover plate 75 is located at the upper side in the drying cylinder 1, the drying cylinder 1 is filled with metal powder, the pressure of the lower side is higher than the pressure of the upper side, when the second support rod 74, the first turnover plate 75 and the second turnover plate 76 rotate around the axis of the fourth rotating shaft 71, the resistance of the lower second turnover plate 76 is higher than that of the upper first turnover plate 75, the resistances of the upper and lower parts are different, so as to form a couple, and therefore the second support rod 74, the first turnover plate 75 and the second turnover plate 76 rotate around the axis of the second support rod 74, actions similar to stir-frying are realized on the metal powder, the metal powder on the upper side and the lower side are mutually gathered and collided, the stirring effect is improved, and the bottom powder is prevented from being heated too much or the upper powder is not heated enough.
Step three: with the operation of the dryer, the metal powder on the first filter screen 63 and the second filter screen 69 is gradually accumulated, after the weight of the accumulated metal powder reaches the preset values of the first weight sensor 65 and the second weight sensor 610, firstly, the second weight sensor 610 transmits signals to the second electric cylinder 95, the second electric cylinder 95 pushes the connecting rod 96 and the third rotating shaft 92 to move, at the moment, the limit sliding block 93 slides in the sliding groove 91, the third rotating shaft 92 moves to drive the connecting rod pieces 94 on two sides to move, the connecting rod pieces 94 drive the first rotating shaft 68 to rotate, so that the second filter screen 69 sealed with the second guide pipe 62 rotates, the second filter screen 69 rotates to be attached to the scraping plate 614, at the moment, the dust collector 615 reaches the lower end of the second guide pipe 62, then the first weight sensor 65 transmits signals to the first electric cylinder 66, the first electric cylinder 66 pushes the first filter screen 63 to move downwards, at the moment, the spring rod 64 is in a compressed state, the plugging piece 67 performs plugging operation on the first guide pipe 61, the dust collector 615 acts on the first filter screen 63 which moves downwards to adsorb metal powder, the first motor 611 is operated to drive the second rotating shaft 612 to rotate, then the scraper 614 rotates to clean the second filter screen 69, the metal powder scraped by the scraper 614 falls into the drying cylinder 1 again, then the first electric cylinder 66 and the second electric cylinder 95 are operated to reset, the second electric cylinder 95 pulls the connecting rod 96 and the third rotating shaft 92 to move, the second filter screen 69 reversely rotates to be attached to the bottom of the second guide pipe 62 again due to the action of the connecting rod piece 94, the limiting sliding block 93 slides in the sliding groove 91, when the limiting sliding block 93 moves to the tail end of the sliding groove 91, the dust collector 615 rotates, at the moment, the opening of the collecting box of the dust collector 615 faces downwards, the metal powder adsorbed in the inside is poured into the drying cylinder 1, and metal powder is recovered.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.

Claims (4)

1. The utility model provides a vertical stirring dryer of constant temperature vacuum for carbide production, includes drying cylinder (1), heating rod (2), vacuum pump (3), temperature sensor (4) and thermostat (5), its characterized in that: the heating rod (2), the temperature sensor (4) and the thermostat (5) are all arranged in the drying cylinder (1), the heating rod (2), the temperature sensor (4) and the thermostat (5) are electrically connected, and the vacuum pump (3) is arranged on the outer wall of the drying cylinder (1); the drying cylinder (1) is provided with a filtering and scraping mechanism (6) which is used for filtering, scraping and recycling metal powder when water vapor is pumped; a stirring mechanism (7) is arranged in the drying cylinder (1) and is used for carrying out overturning and stirring operation on the metal powder; the bottom of the drying cylinder (1) is provided with a reciprocating driving mechanism (8) for driving the stirring mechanism (7) to bidirectionally rotate for stirring;
the filtering and scraping mechanism (6) comprises a first guide pipe (61) and a second guide pipe (62), one end of the first guide pipe (61) is communicated with the input end of the vacuum pump (3), the other end of the first guide pipe (61) is communicated with the second guide pipe (62), the second guide pipe (62) penetrates through the upper side of the drying cylinder (1), a first filter screen (63) is slidably installed in the second guide pipe (62), a plurality of spring rods (64) are arranged between the lower side of the first filter screen (63) and the lower end of the second guide pipe (62), a first weight sensor (65) is installed on the first filter screen (63), a first electric cylinder (66) acting on the first filter screen (63) is arranged in the second guide pipe (62), the first weight sensor (65) is electrically connected with the first electric cylinder (66), a blocking piece (67) for blocking the first guide pipe (61) is arranged on the upper side of the first filter screen (63), a first rotating shaft (68) is rotatably installed in the drying cylinder (1), a first rotating shaft (68) is fixedly connected with a second filter screen (69) which is matched with the lower end of the second guide pipe (62), a second filter screen (611) is arranged in the second filter screen (610), the end part of the second rotating shaft (612) is connected with a rotating disc (613), a plurality of scraping plates (614) acting on the second filter screen (69) are arranged on the rotating disc (613), a dust collector (615) acting on the first filter screen (63) is arranged in the drying cylinder (1), and a linkage mechanism (9) is arranged in the drying cylinder (1) and used for driving the second filter screen (69) to move with the dust collector (615);
the utility model provides a link gear (9) including spout (91), both sides all are provided with spout (91) in dry section of thick bamboo (1), two spout (91) symmetry sets up, spout (91) are "L" shape, be provided with third pivot (92) between two spout (91), third pivot (92) both ends all are connected with spacing slider (93), spacing slider (93) of both sides slide in spout (91) of both sides respectively, dust catcher (615) and third pivot (92) fixed connection, third pivot (92) both ends all articulate have connecting rod piece (94), two connecting rod piece (94) respectively with first pivot (68) both ends fixed connection, be provided with second electric jar (95) in dry section of thick bamboo (1), second electric jar (95) output is connected with third pivot (92) through connecting rod (96), connecting rod (96) one end is articulated with third pivot (92), the connecting rod (96) other end is articulated with second electric jar (95), second electric jar (95) are connected with second weight sensor (610).
2. The constant temperature vacuum vertical stirring dryer for producing hard alloy according to claim 1, wherein: the stirring mechanism (7) comprises a fourth rotating shaft (71), the fourth rotating shaft (71) is rotatably arranged in the drying cylinder (1), first supporting rods (72) are connected to two sides above the fourth rotating shaft (71), a plurality of stirring rods (73) are arranged on the first supporting rods (72), second supporting rods (74) are rotatably connected to two sides below the fourth rotating shaft (71), first overturning plates (75) are connected to two sides above the second supporting rods (74), and second overturning plates (76) are connected to two sides below the second supporting rods (74).
3. The constant temperature vacuum vertical stirring dryer for producing hard alloy according to claim 2, wherein: the stress area of the second overturning plate (76) is larger than that of the first overturning plate (75), and the rotation angle of the second supporting rod (74) is smaller than 90 degrees.
4. The constant temperature vacuum vertical stirring dryer for producing hard alloy according to claim 1, wherein: the reciprocating driving mechanism (8) comprises a second motor (81) and an incomplete gear (82), the second motor (81) is mounted at the bottom of the drying cylinder (1), the incomplete gear (82) is coaxially connected with an output shaft of the second motor (81), a fifth rotating shaft (83) is arranged at the bottom of the drying cylinder (1) in a penetrating mode and is rotationally connected with the drying cylinder, the fifth rotating shaft (83) is coaxially connected with a fourth rotating shaft (71), a spur gear (84) is coaxially connected to the fifth rotating shaft (83), the spur gear (84) is meshed with the incomplete gear (82), and a torsion spring (85) enabling the incomplete gear to reset is sleeved on the fifth rotating shaft (83).
CN202210789384.4A 2022-07-05 2022-07-05 Constant-temperature vacuum vertical stirring dryer for hard alloy production Active CN115096049B (en)

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