CN109482347B - Magnetic separation assembly for high polymer powder - Google Patents

Magnetic separation assembly for high polymer powder Download PDF

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Publication number
CN109482347B
CN109482347B CN201811587893.9A CN201811587893A CN109482347B CN 109482347 B CN109482347 B CN 109482347B CN 201811587893 A CN201811587893 A CN 201811587893A CN 109482347 B CN109482347 B CN 109482347B
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discharging
conveying belt
roller
plate
discharging conveying
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CN109482347A (en
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徐虎
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Jiangsu Naweijie Powder Technology Co ltd
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Jiangsu Naweijie Powder Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/22—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with non-movable magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for

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Abstract

The invention discloses a high polymer powder magnetic separation component which comprises a magnetic separation feed hopper and a magnetic separation transmission belt which are sequentially arranged along the flow operation direction; the conveying roller wheel close to the discharging end in the upper discharging conveying belt is a discharging conveying roller wheel, and the discharging conveying roller wheel is a magnetic roller. The discharging side of the upper discharging conveyer belt is connected with a lower discharging conveyer belt in a matching way; the magnetic separation conveying belt comprises an upper discharge conveying belt and a lower discharge conveying belt; due to the design, powder can be guided into the upper discharging conveying belt through the magnetic separation feeding hopper, and the discharging conveying rollers at the discharging end part of the upper discharging conveying belt have a magnetic separation function, so that the powder materials are uniformly distributed on the upper discharging conveying belt, and the discharging conveying rollers are convenient to be matched and adsorbed; the design of ejection of compact gap makes the material discharge gate be the threadiness, and material powder granule can tile at last ejection of compact conveyer belt upper surface, the subsequent magnetism of being convenient for adsorbs.

Description

Magnetic separation assembly for high polymer powder
Technical Field
The invention relates to a high polymer powder magnetic separation component.
Background
The existing high molecular powder, especially the polymer material powder, is very easy to dope impurities such as scrap iron and the like among the powder in the production, storage and transportation processes, even the powder contains scrap iron impurities, and the impurities in the powder need to be removed before use. The prior art urgently needs a high molecular powder magnetic separation component which can screen and remove impurities in the transmission process.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a high-molecular powder magnetic separation component.
In order to achieve the purpose, the technical scheme of the invention is to provide a high polymer powder magnetic separation component, which comprises a magnetic separation feed hopper and a magnetic separation conveying belt which are sequentially arranged along the flow operation direction;
the magnetic separation feed hopper comprises two vertical side plates and two guide plates arranged between the two vertical side plates, each guide plate comprises a rear guide plate and a front guide plate, each rear guide plate comprises a rear vertical part and a rear inclined part connected with the rear vertical part, each front guide plate comprises a front vertical part and a front inclined part connected with the front vertical part, and the rear vertical part and the front vertical part are parallel to each other and are perpendicular to the vertical side plates; the lower end of the rear inclined part inclines towards the discharging side, the lower end of the front inclined part inclines towards the feeding side, and a discharging gap is formed between the lower end of the rear inclined part and the lower end of the front inclined part; an upper discharging conveying belt is arranged below the discharging gap;
the conveying roller wheel close to the discharging end in the upper discharging conveying belt is a discharging conveying roller wheel, and the discharging conveying roller wheel is a magnetic roller. The discharging side of the upper discharging conveyer belt is connected with a lower discharging conveyer belt in a matching way; the magnetic separation conveying belt comprises an upper discharge conveying belt and a lower discharge conveying belt;
due to the design, powder can be guided into the upper discharging conveying belt through the magnetic separation feeding hopper, and the discharging conveying rollers at the discharging end part of the upper discharging conveying belt have a magnetic separation function, so that the powder materials are uniformly distributed on the upper discharging conveying belt, and the discharging conveying rollers are convenient to be matched and adsorbed; the design of ejection of compact gap makes the material discharge gate be the threadiness, and material powder granule can tile at last ejection of compact conveyer belt upper surface, the subsequent magnetism of being convenient for adsorbs.
Preferably, a vibration motor is fixed on the vertical side plate or the guide plate; the connecting device is characterized in that an upper connecting block is fixed on the front vertical part and the rear vertical part, a lower connecting block is fixed below the upper connecting block, and a supporting spring is connected between the upper connecting block and the lower connecting block.
Such design can make material powder granule get into the magnetic separation feeder hopper after, make material powder granule more be even distribution at ejection of compact gap through vibrations for it is even after the material ejection of compact.
Preferably, the upper discharging conveying belt comprises conveying rollers at two ends and a conveying belt in transmission connection between the two conveying rollers, a flattening assembly is arranged on the upper discharging conveying belt and comprises a lower supporting roller and an upper pressing roller matched with the lower supporting roller, the lower supporting roller and the upper pressing roller are respectively arranged below and above the conveying belt, the lower supporting roller is in contact and rolling fit with the lower surface of the conveying belt, and the upper pressing roller is in contact and rolling fit with the upper surface of the conveying belt; the upper press roll comprises a roll shaft in the middle and an elastic latex sleeve sleeved outside the roll shaft; and two ends of the roll shaft are rotatably connected with the upper press roll bracket.
Such design for the material powder granule on last ejection of compact conveyer belt surface is through flattening the further integer of subassembly that flattens, avoids piling up of some materials.
Preferably, a material distributing roller set is arranged in the magnetic separation feed hopper, the material distributing roller set is perpendicular to the discharge gap, the material distributing roller set comprises a plurality of rows of material distributing rollers from top to bottom, the material distributing roller set comprises a first material distributing roller located at the uppermost part, second material distributing rollers are arranged on two sides of the lower part of the first material distributing roller respectively, and third material distributing rollers are arranged on two sides of the lower part of the second material distributing roller respectively. Such design can further break up the material of feeding through dividing material roller group, along ejection of compact gap direction homodisperse for be even after the material ejection of compact.
Preferably, the material distributing roller is a magnetic roller. Such design, the in-process of material powder granule is being broken up to the branch material roller group, can also further play the effect of adsorbing iron fillings and iron fillings material granule in addition, plays the effect of purification powder.
Preferably, a gap adjusting plate is slidably fitted on the outer surface of the front inclined part, and when the gap adjusting plate slides, the outer end part of the gap adjusting plate is close to the rear inclined part or far away from the rear inclined part; the outer part of the front inclined part is provided with sliding adjusting rods along the sliding direction of the gap adjusting plate, the sliding adjusting rods are connected with the front inclined part through sliding adjusting rod connecting blocks, the two sliding adjusting rod connecting blocks are arranged along the sliding direction of the gap adjusting plate, the upper parts of the sliding adjusting rods are respectively in rotating connection with the sliding adjusting rod connecting blocks, the lower parts of the sliding adjusting rods are provided with sliding adjusting screw rods, the gap adjusting plate is connected with sliding adjusting screw blocks, and the sliding adjusting screw rods are in threaded driving fit with the sliding adjusting screw blocks; a ball connecting bearing is fixed in the sliding adjusting rod connecting block, and the upper part of the sliding adjusting rod is fixedly connected with the inner edge of the connecting bearing; the upper end of the sliding adjusting rod is provided with a rotating driving part.
Through foretell gap regulating plate and adjustment mechanism, can further adjust the width of ejection of compact gap, control the speed and the load of ejection of compact.
Preferably, the upper end of the gap adjusting plate is further provided with a guide rod along the sliding direction, a guide hole matched with the guide rod for sliding guide is formed in the sliding adjusting rod connecting block, and the guide rod is matched with the guide hole for sliding. Due to the design, the gap adjusting plate slides more stably.
Preferably, the conveying roller wheel close to the discharging end in the upper discharging conveying belt is a discharging conveying roller wheel, and the discharging conveying roller wheel is a magnetic roller. The discharging side of the upper discharging conveyer belt is connected with a lower discharging conveyer belt in a matching way.
Such design, can adsorb the iron fillings in the material powder granule and the powder granule that contains the iron fillings on the conveyer belt surface through the magnetic adsorption power of ejection of compact transport running roller, the lower extreme of running roller is carried to the ejection of compact loses magnetic adsorption power and drops, plays the effect of purification.
Preferably, the discharging conveying roller is a 15000 gauss magnetic roller. The design can provide a strong enough magnetic field and has strong adsorption capacity to fine iron filings.
Preferably, a waste collecting barrel is arranged below the discharging conveying roller. Such a design facilitates the collection of waste material.
Preferably, a baffle is arranged on the discharging side of the discharging conveying roller wheel, the baffle is vertically arranged, the upper edge of the baffle is matched with the outer edge of the conveying belt to form a material selecting gap, the baffle is a telescopic plate and comprises a lower plate body and an upper plate body spliced with the lower plate body, a groove body for accommodating the splicing of the upper plate body is formed in the lower plate body, and the splicing of the upper plate body and the lower plate body is in damping splicing matching;
the bottom of the lower pipe body is connected with a plate body rotating shaft, the plate body rotating shaft is connected with the outer pipe body in a rotating mode, a rotating window is formed in the upper portion of the outer pipe body, the plate body rotating shaft is arranged coaxially with the outer pipe body, the plate body rotating shaft is connected with the outer pipe body in a damping rotating mode, and the end portion of the outer pipe body is connected with the fixing block.
According to the design, the baffle can block some small iron filings which are adsorbed by magnetic force but cannot be tightly adsorbed on the surface of the conveying belt, pure dust particles without iron filings are driven by the conveying belt to do horizontal throwing motion at the discharge end of the conveying belt and cross the upper edge of the baffle, and the track of the small iron filings or powder particles containing the small iron filings which are adsorbed by magnetic force is shorter than the normal horizontal throwing track and is blocked at the inner side of the baffle; thereby further improving the magnetic separation effect and improving the purity of the powder particles.
Preferably, the bottom of the outer pipe body is provided with a waste guide plate, and the discharge end part of the waste guide plate is matched and connected with the waste collecting barrel. With the design, waste can enter the waste collecting barrel through the guide plate.
Preferably, a magnetic block and a vibration plate are sequentially arranged on the feeding side of the discharging conveying roller wheel, the magnetic block is in matched contact with the inner surface of the upper part of the conveying belt, and the vibration plate is in matched contact with the inner surface of the upper part of the conveying belt; the top of vibrations board feeding side is provided with gas and bumps the mouth, gas bumps the mouth and sets up in the transmission band top, and gas bumps the jet-propelled direction of mouth and towards ejection of compact direction.
Preferably, the height of the gas nozzle relative to the conveying belt is 1-10 mm. By the design, the jumped material powder particles can be blown better.
Such design, effect through the vibrations board, material granule on the conveyer belt can vibrations from top to bottom, the temporary conveyer belt surface that leaves, receive the air current that gas bumped the mouth simultaneously and have for the conveyer belt forward speed, when falling on the conveyer belt once more, because and exist the difference in speed between the conveyer belt on the horizontal direction, can roll on the conveyer belt, and rolling conveyer belt position below adsorbs through the magnetic path, powder granule position adjustment that includes iron fillings with inside, adjust to iron fillings in the lower part position of powder granule, during subsequent ejection of compact transport running roller adsorbs, owing to shortened the adsorption interval and adsorbed more easily.
Preferably, an outer cover body is arranged above the discharging conveying roller wheel, the front end part of the outer cover body is an arc-shaped leakage-proof plate, the rear end of the outer cover body is a straight plate, a gas touch nozzle connecting block is fixed on the straight plate, the gas touch nozzle is fixed on the gas touch nozzle connecting block, and the gas touch nozzle is connected with origin. Such design prevents that material powder granule from leaking outward after the conveyer belt is thrown out, and the installation of the mouth is bumped to the gas of being convenient for simultaneously.
The invention has the advantages and beneficial effects that: due to the design, powder can be guided into the upper discharging conveying belt through the magnetic separation feeding hopper, and the discharging conveying rollers at the discharging end part of the upper discharging conveying belt have a magnetic separation function, so that the powder materials are uniformly distributed on the upper discharging conveying belt, and the discharging conveying rollers are convenient to be matched and adsorbed; the design of ejection of compact gap makes the material discharge gate be the threadiness, and material powder granule can tile at last ejection of compact conveyer belt upper surface, the subsequent magnetism of being convenient for adsorbs. The powder is suitable for plastic and rubber powder such AS PA6 powder, AS powder, PA66 powder, PBT powder, PE powder, PP powder, ABS powder, EVA powder, POE powder, TPU powder, PTFE powder, PA12 powder and the like.
Drawings
FIG. 1 is a schematic structural view of a magnetic separation feed hopper;
FIG. 2 is a schematic view (top view) of a structure of the vertical side plate, the rear guide plate and the front guide plate in a matching connection;
FIG. 3 is a schematic view of a structure of the front inclined portion and the gap adjusting plate;
FIG. 4 is a schematic view of an arrangement of the distributing roller sets;
FIG. 5 is a state distribution of powder particles of the material before passing through the crushing assembly and a state distribution when being pressed by the crushing assembly;
FIG. 6 is a schematic view of a magnetic separation transmission belt;
FIG. 7 is a schematic structural view showing the state of the baffle plate in cooperation with the discharge conveying roller;
fig. 8 is, in order from top to bottom: the material powder particles are distributed in a state before touching the nozzle assembly through the magnetic block, the vibration plate and the gas, distributed in a state after touching the nozzle assembly through the magnetic block, the vibration plate and the gas, and distributed in a state after entering the lower discharge conveyer belt through baffle magnetic separation.
In the figure: 1. material powder particles; 1-1 of scrap iron; 3. a magnetic separation feed hopper, 4 and a magnetic separation conveying belt; 56. erecting a side plate; 57. a rear guide plate; 58. a front guide plate; 59. a rear vertical portion; 60. A rear inclined part; 61. a front vertical portion; 62. a front inclined portion; 63. a discharge gap; 64. an upper discharge conveyer belt; 65. a vibration motor; 66. an upper connecting block; 67. a lower connecting block; 68. a support spring; 69. a conveyor belt; 70. a lower support roller; 71. an upper compression roller; 71-1, an upper press roll bracket; 72. a roll shaft; 73. an elastic latex sleeve; 74. a material distributing roller set; 75. a first distribution roller; 76. a second distribution roller; 77. a third distributing roller; 78. a gap adjusting plate; 78-1, a gap adjusting plate locking screw; 79. a sliding adjusting rod; 79-1, a rotation driving part; 80. a sliding adjusting rod connecting block; 81. sliding the adjusting screw; 82. sliding the adjusting screw block; 83. the ball is connected with the bearing; 84. a guide bar; 85. a discharging conveying roller; 86. a lower discharge conveyer belt; 87. a waste collection barrel; 88. a baffle plate; 88-1, a horizontal projectile motion track board; 88-2, magnetic separation track; 89. Selecting a material gap; 90. a lower plate body; 91. an upper plate body; 92. a trough body; 93. a plate body rotating shaft; 94. An outer tubular body; 95. rotating the window; 96. a fixed block; 97. a waste guide plate; 98. a magnetic block; 99. a vibration plate; 100. gas touch nozzles; 101. an outer cover body; 102. an arc-shaped leak-proof plate; 103. A flat plate; 104. a gas touch nozzle connecting block; a. and (c) particles a.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in FIGS. 1 to 8, in example 1, a magnetic separation assembly for polymer powder comprises a magnetic separation feed hopper 3 and a magnetic separation conveyor belt 4 which are arranged in sequence along the flow direction of water operation.
The magnetic separation feed hopper 3 comprises two vertical side plates 56 and two guide plates arranged between the two vertical side plates 56, each guide plate comprises a rear guide plate 57 and a front guide plate 58, each rear guide plate 57 comprises a rear vertical part 59 and a rear inclined part 60 jointed with the rear vertical part 59, each front guide plate 58 comprises a front vertical part 61 and a front inclined part 62 jointed with the front vertical part 61, and the rear vertical part 59 and the front vertical part 61 are parallel to each other and are arranged perpendicular to the vertical side plates 56; the lower end of the rear inclined part 60 inclines to the discharging side, the lower end of the front inclined part 62 inclines to the feeding side, and a discharging gap 63 is formed between the lower end of the rear inclined part 60 and the lower end of the front inclined part 62; an upper discharging conveyer belt 64 is arranged below the discharging gap 63.
The conveying roller wheel close to the discharging end in the upper discharging conveying belt 64 is a discharging conveying roller wheel 85, and the discharging conveying roller wheel 85 is a magnetic roller. The discharge side of the upper discharge conveyor belt 64 is cooperatively connected with a lower discharge conveyor belt 86. The magnetic separation conveying belt 4 comprises an upper discharge conveying belt 64 and a lower discharge conveying belt 86.
When the device is used, the material powder particles 1 discharged from the previous process are relatively concentrated in discharging, and the discharging conveying roller 85 at the discharging end part of the upper discharging conveying belt 64 matched with the vibration screening box has a magnetic separation function, so that the powder materials are uniformly distributed on the upper discharging conveying belt 64; through the magnetic separation feed hopper 3 consisting of the two vertical side plates 56 and the two guide plates, a discharge gap 63 is formed between the lower end of the rear inclined part 60 at the bottom and the lower end of the front inclined part 62, and material powder particles 1 can be flatly paved on the upper surface of an upper discharge conveyer belt 64, so that subsequent magnetic adsorption is facilitated; the vibration motor 65 makes the material powder particles 1 uniformly distributed in the discharging gap 63 through vibration, so that the material is uniformly discharged; then when the material powder particles 1 pass through the discharging conveying roller 85, the iron filings 1-1 in the material powder particles 1 and the powder particles containing the iron filings 1-1 are adsorbed on the surface of the conveying belt by the magnetic adsorption force of the discharging conveying roller 85 until the lower end of the discharging conveying roller 85 loses the magnetic adsorption force and falls off, thereby playing a role in purification.
Example 2
The embodiment 1 is further optimized, the upper discharging conveying belt 64 comprises conveying roller wheels at two ends and a conveying belt 69 in transmission connection between the two conveying roller wheels, a flattening assembly is arranged on the upper discharging conveying belt 64 and comprises a lower supporting roller 70 and an upper pressing roller 71 matched with the lower supporting roller 70, the lower supporting roller 70 and the upper pressing roller 71 are respectively arranged below and above the conveying belt 69, the lower supporting roller 70 is in contact rolling fit with the lower surface of the conveying belt 69, and the upper pressing roller 71 is in contact rolling fit with the upper surface of the conveying belt 69; the upper press roll 71 comprises a roll shaft 72 in the middle and an elastic latex sleeve 73 sleeved outside the roll shaft 72; and two ends of the roller shaft 72 are rotatably connected with the upper press roller 71 bracket. The upper press roll 71 is rotatably connected to the upper press roll holder 71-1. The flattening assembly is located on the feeding side of the magnet block 98 and the vibration plate 99.
When the material flows into the upper surface of the discharging conveying belt from the discharging gap 63, the stacking phenomenon of material particles inevitably exists, the conveying is not beneficial to the later adsorption, the material to be conveyed is in free lying contact with the upper surface of the discharging conveying belt as much as possible, and the gravity center of the material powder particles 1 and the distance between the material powder particles and the discharging conveying roller 85 are reduced; when the material layer passes through the flattening assembly, the material layer is flattened, particularly the upper press roller 71 has certain elasticity, so that the material powder particles 1 can be well extruded and flattened on the upper discharging conveying belt 64, and stacking and uneven distribution of some materials are avoided.
Example 3
In the further optimization of the embodiment 2, the conveying roller wheel near the discharging end in the upper discharging conveyer belt 64 is a discharging conveying roller wheel 85, and the discharging conveying roller wheel 85 is a magnetic roller. The discharge side of the upper discharge conveyor belt 64 is cooperatively connected with a lower discharge conveyor belt 86. The magnetic separation conveying belt 4 comprises an upper discharge conveying belt 64 and a lower discharge conveying belt 86.
The discharging conveying roller 85 is a 15000 gauss magnetic roller.
A waste collecting barrel 87 is arranged below the discharging conveying roller 85.
A baffle plate 88 is arranged on the discharging side of the discharging conveying roller 85, the baffle plate 88 is vertically arranged, the upper edge of the baffle plate 88 is matched with the outer edge of the conveying belt 69 to form a material selecting gap 89, the baffle plate 88 is a telescopic plate and comprises a lower plate body 90 and an upper plate body 91 spliced with the lower plate body 90, a groove body 92 for accommodating the splicing of the upper plate body 91 is formed in the lower plate body 90, and the upper plate body 91 is spliced with the lower plate body 90 to be in damping splicing matching;
the bottom of the lower plate body 90 is connected with a plate body rotating shaft 93, the plate body rotating shaft 93 is rotatably connected with an outer tube body 94, a rotating window 95 is formed in the upper portion of the outer tube body 94, the plate body rotating shaft 93 is coaxially arranged with the outer tube body 94, the plate body rotating shaft 93 is rotatably connected with the outer tube body 94 in a damping mode, and the end portion of the outer tube body 94 is connected with a fixing block 96.
The bottom of the outer pipe body 94 is provided with a waste guide plate 97, and the discharge end part of the waste guide plate 97 is matched and connected with the waste collecting barrel 87.
A magnet block 98 and a vibration plate 99 are sequentially arranged on the feeding side of the discharging conveying roller 85, the magnet block 98 is in matched contact with the inner surface of the upper part of the conveying belt 69, and the vibration plate 99 is in matched contact with the inner surface of the upper part of the conveying belt 69; the top of vibrations board 99 feeding side is provided with gaseous mouth 100 of bumping, gaseous mouth 100 of bumping is set up in transmission band 69 top, and gaseous 100 gas-injection directions of bumping mouth towards ejection of compact direction. The vibration plate 99 is in driving connection with the vibration motor. The magnetic block 98 is preferably a 15000 gauss magnetic plate.
The height of the gas nozzle 100 relative to the conveyor 69 is 1-10 mm.
The discharging conveying roller 85 top is provided with the outer cover body 101, outer cover body 101 front end portion is arc leak protection board 102, outer cover body 101 rear end is straight board 103, be fixed with the gas on the straight board 103 and bump mouth connecting block 104, the gas bumps mouth 100 and fixes on the gas bumps mouth connecting block 104, the gas bumps mouth 100 and is connected with the air supply.
When the powder particle adsorption device is used, a material powder particle 1 layer passes through the vibration plate 99 and the area where the gas touch nozzle 100 is located under the action of the conveyer belt, when the material particles on the conveyer belt temporarily leave the surface of the conveyer belt under the action of the vibration plate 99 and simultaneously have forward speed relative to the conveyer belt under the action of the airflow of the gas touch nozzle 100, the material particles can roll on the conveyer belt due to the speed difference between the material particles and the conveyer belt in the horizontal direction, the position below the position of the rolling conveyer belt is adsorbed through the magnet 98, the position of the powder particles containing iron chips 1-1 inside is adjusted to the position of the iron chips 1-1 at the lower parts of the powder particles, such as particle a, and the position is kept to be in the subsequent adsorption process of the discharging conveyer roller 85, and the iron chips 1-1 are adsorbed more easily due to the shortened adsorption distance;
the powder particles which do not contain the scrap iron 1-1 do horizontal projectile motion to form a horizontal projectile motion track 88-1 and fall into a lower discharging conveyer belt 86;
sometimes, the material powder particles 1 contain tiny scrap irons 1-1, even if a 15000 gauss magnetic roller is used, the tiny scrap irons cannot be completely adsorbed, but the movement track of the tiny scrap irons can be influenced, the parabolic track of the tiny scrap irons can be shorter than the flat-throwing movement track, in order to clear the tiny scrap irons 1-1, a baffle 88 is designed, the upper edge of the baffle 88 needs to be below the flat-throwing movement track, and the magnetic separation effect is better when the baffle is closer to the flat-throwing movement track;
the magnetic adsorption tiny scrap iron 1-1 or the powder particles containing tiny scrap iron 1-1 are thrown out with a trajectory shorter than a normal flat throwing trajectory (defined as a magnetic separation trajectory 88-2) under the influence of magnetic force and are blocked at the inner side of the baffle 88, and pure dust particles without scrap iron 1-1 are driven by the conveyer belt to make flat throwing motion at the discharge end of the conveyer belt and cross the upper edge of the baffle 88, so that the magnetic separation effect is further improved, and the purity of the powder particles is improved.
The position relation of the baffle 88 level and the discharging conveying roller 85, namely the size of the material selecting gap 89 and the height of the upper horizontal edge of the baffle 88, is adjusted by damping rotation of the plate body rotating shaft 93 and the outer pipe body 94 and damping insertion of the upper plate body 91 and the lower plate body 90, and can be adjusted according to specific conditions.
The material powder particles 1 containing the scrap iron 1-1 and the scrap iron 1-1 are adsorbed by the discharging conveying roller 85 until the lower end of the discharging conveying roller 85 loses the magnetic adsorption force and falls into the waste collecting barrel 87, and the powder particles containing the tiny scrap iron 1-1 enter the guide plate under the action of the baffle 88 and enter the waste collecting barrel 87 under the action of the guide plate.
Example 4
In a further optimization of embodiment 3, a vibration motor 65 is fixed on the vertical side plate 56 or the guide plate; an upper connecting block 66 is fixed on the front vertical part 61 and the rear vertical part 59, a lower connecting block 67 is fixed below the upper connecting block 66, and a supporting spring 68 is connected between the upper connecting block 66 and the lower connecting block 67. The lower connecting block 67 is fixed with the support frame or the base.
Be provided with branch material roller set 74 in the magnetic separation feeder hopper 3, branch material roller set 74 sets up with ejection of compact gap 63 is perpendicular, branch material roller set 74 from the top down contains the branch material roller of multirow, branch material roller set 74 is including being located the first branch material roller 75 of upper portion, first branch material roller 75 lower part both sides are provided with second branch material roller 76 respectively, second branch material roller 76 lower part both sides are provided with third branch material roller 77 respectively.
The material distributing roller is a magnetic roller.
The outer surface of the front inclined part 62 is in sliding fit with a gap adjusting plate 78, and when the gap adjusting plate 78 slides, the outer end part of the gap adjusting plate 78 is close to the rear inclined part 60 or far away from the rear inclined part 60; the outer portion of the front inclined portion 62 is provided with two sliding adjusting rods 79 along the sliding direction of the gap adjusting plate 78, the sliding adjusting rods 79 are connected with the front inclined portion 62 through sliding adjusting rod connecting blocks 80, the two sliding adjusting rod connecting blocks 80 are arranged along the sliding direction of the gap adjusting plate 78, the upper portions of the sliding adjusting rods 79 are respectively in rotating connection with the sliding adjusting rod connecting blocks 80, the lower portions of the sliding adjusting rods 79 are sliding adjusting screw rods 81, the gap adjusting plate 78 is connected with sliding adjusting screw blocks 82, and the sliding adjusting screw rods 81 are in threaded driving fit with the sliding adjusting screw blocks 82; a ball connecting bearing 83 is fixed in the sliding adjusting rod connecting block 80, and the upper part of the sliding adjusting rod 79 is fixedly connected with the inner edge of the connecting bearing; the upper end of the slide adjusting lever 79 is provided with a rotation driving member 79-1. When the sliding adjustment rod 79 is driven by the rotation driving part 79-1 to rotate, the sliding adjustment rod 79 only rotates under the action of the connecting bearing and does not move axially. After the gap adjustment plate 78 is adjusted in place, the position of the gap adjustment plate 78 may be temporarily fixed by gap adjustment plate locking screws 78-1, particularly for manual adjustment.
The upper end of the gap adjusting plate 78 is also provided with a guide rod 84 along the sliding direction, a guide hole matched with the guide rod 84 for sliding guide is formed in the sliding adjusting rod connecting block 80, and the guide rod 84 is matched with the guide hole for sliding.
The materials output from the discharge port of the vibration screening box are relatively concentrated, in order to enable the materials to be more uniform when reaching the discharge gap 63, the fed materials are further scattered by the material distribution roller group 74 and uniformly dispersed along the direction of the discharge gap 63, so that the materials are uniform after being discharged; the material distributing roller is a magnetic roller. With the design, the material distributing roller group 74 can further play a role in adsorbing scrap iron 1-1 and material particles containing scrap iron 1-1 in the process of scattering the material powder particles 1, and play a role in purifying powder.
When the material is discharged from the discharging gap 63, the discharging amount needs to be adjusted according to actual conditions, the rotary driving part 79-1 is a knob or a servo motor, the knob is manually controlled, and the servo motor is in driving connection with the upper end of the sliding adjusting rod 79;
when a small discharge amount is needed, the sliding adjusting rod 79 rotates forwards, the sliding adjusting screw 81 drives the sliding adjusting screw block 82 to move downwards, the adjusting screw block drives the gap adjusting plate 78 to slide downwards, the guide rod 84 is matched with the guide hole for guiding, the lower end of the gap adjusting plate 78 is close to the rear inclined part 60, the discharge gap 63 is narrowed, and the discharge amount is reduced;
on the contrary, when a large discharge amount is needed, the sliding adjusting rod 79 rotates reversely, the sliding adjusting screw 81 drives the sliding adjusting screw block 82 to move upwards, the adjusting screw block drives the gap adjusting plate 78 to slide upwards, the guide rod 84 is matched with the guide hole for guiding, the lower end of the gap adjusting plate 78 is far away from the rear inclined part 60, the discharge gap 63 is widened, and the discharge amount is increased.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (1)

1. The utility model provides a polymer powder magnetic separation subassembly which characterized in that: the method comprises the steps of sequentially arranging a magnetic separation feed hopper and a magnetic separation conveying belt along the flow operation direction;
the magnetic separation feed hopper comprises two vertical side plates and two guide plates arranged between the two vertical side plates, each guide plate comprises a rear guide plate and a front guide plate, each rear guide plate comprises a rear vertical part and a rear inclined part connected with the rear vertical part, each front guide plate comprises a front vertical part and a front inclined part connected with the front vertical part, and the rear vertical part and the front vertical part are parallel to each other and are perpendicular to the vertical side plates; the lower end of the rear inclined part inclines towards the discharging side, the lower end of the front inclined part inclines towards the feeding side, and a discharging gap is formed between the lower end of the rear inclined part and the lower end of the front inclined part; an upper discharging conveying belt is arranged below the discharging gap;
the conveying roller wheel close to the discharging end in the upper discharging conveying belt is a discharging conveying roller wheel, and the discharging conveying roller wheel is a magnetic roller; the discharging side of the upper discharging conveying belt is connected with a lower discharging conveying belt in a matched mode, and the magnetic separation conveying belt comprises an upper discharging conveying belt and a lower discharging conveying belt;
the upper discharging conveying belt comprises conveying roller wheels at two ends and a conveying belt in transmission connection between the two conveying roller wheels, a flattening assembly is arranged on the upper discharging conveying belt and comprises a lower supporting roller and an upper pressing roller matched with the lower supporting roller, the lower supporting roller and the upper pressing roller are respectively arranged below and above the conveying belt, the lower supporting roller is in contact and rolling fit with the lower surface of the conveying belt, and the upper pressing roller is in contact and rolling fit with the upper surface of the conveying belt; the upper press roll comprises a roll shaft in the middle and an elastic latex sleeve sleeved outside the roll shaft; two ends of the roll shaft are rotatably connected with the upper press roll bracket;
the discharging conveying roller is a 15000 gauss magnetic roller;
a waste collecting barrel is arranged below the discharging conveying roller;
the material selecting device comprises a discharging conveying roller and a discharging conveying belt, and is characterized in that a baffle is arranged on the discharging side of the discharging conveying roller, the baffle is vertically arranged, the upper edge of the baffle is matched with the outer edge of the conveying belt to form a material selecting gap, the baffle is a telescopic plate and comprises a lower plate body and an upper plate body spliced with the lower plate body, a groove body for accommodating the splicing of the upper plate body is formed in the lower plate body, and the splicing of the upper plate body and the lower plate body is;
the bottom of the lower pipe body is connected with a plate body rotating shaft, the plate body rotating shaft is rotatably connected with the outer pipe body, a rotating window is formed in the upper portion of the outer pipe body, the plate body rotating shaft and the outer pipe body are coaxially arranged, the plate body rotating shaft is connected with the outer pipe body in a damping rotating mode, and the end portion of the outer pipe body is connected with the fixed block;
a waste material guide plate is arranged at the bottom of the outer pipe body, and the discharge end part of the waste material guide plate is matched and connected with a waste material collecting barrel;
the feeding side of the discharging conveying roller is sequentially provided with a magnetic block and a vibrating plate, the magnetic block is in matched contact with the inner surface of the upper part of the conveying belt, and the vibrating plate is in matched contact with the inner surface of the upper part of the conveying belt; a gas touch nozzle is arranged above the feeding side of the vibrating plate, the gas touch nozzle is arranged above the conveying belt, the gas spraying direction of the gas touch nozzle faces the discharging direction, and the magnetic block and the vibrating plate are arranged on the discharging side of the flattening assembly;
the discharging conveying roller is characterized in that an outer cover body is arranged above the discharging conveying roller, the front end portion of the outer cover body is an arc-shaped leakage-proof plate, the rear end of the outer cover body is a straight plate, a gas touch nozzle connecting block is fixed on the straight plate, the gas touch nozzle is fixed on the gas touch nozzle connecting block, and the gas touch nozzle is connected with a gas source.
CN201811587893.9A 2018-12-25 2018-12-25 Magnetic separation assembly for high polymer powder Active CN109482347B (en)

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Application Number Priority Date Filing Date Title
CN201811587893.9A CN109482347B (en) 2018-12-25 2018-12-25 Magnetic separation assembly for high polymer powder

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Application Number Priority Date Filing Date Title
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CN109482347B true CN109482347B (en) 2020-04-28

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204051897U (en) * 2013-12-17 2014-12-31 吕珩 A kind of conveyer belt removing metal impurities in powder
CN205084860U (en) * 2015-11-05 2016-03-16 四川航都钛业科技有限公司 Multistage magnetic separation device
CN206676423U (en) * 2017-03-31 2017-11-28 邓干平 One kind mining circulation iron removal by magnetic separation device
CN206824012U (en) * 2017-04-05 2018-01-02 博罗县振基精密五金电子制品有限公司 A kind of magnetic roll of magnetic separator
CN207204363U (en) * 2017-09-04 2018-04-10 科华控股股份有限公司 The sorting equipment of Langaloy chip
CN207353381U (en) * 2017-09-13 2018-05-11 河南易成新能源股份有限公司 Graphite cathode material two-stage iron removal by magnetic separation system
CN108620232A (en) * 2018-04-12 2018-10-09 会理县财通铁钛有限责任公司 A kind of vibration belt type magnetic separator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204051897U (en) * 2013-12-17 2014-12-31 吕珩 A kind of conveyer belt removing metal impurities in powder
CN205084860U (en) * 2015-11-05 2016-03-16 四川航都钛业科技有限公司 Multistage magnetic separation device
CN206676423U (en) * 2017-03-31 2017-11-28 邓干平 One kind mining circulation iron removal by magnetic separation device
CN206824012U (en) * 2017-04-05 2018-01-02 博罗县振基精密五金电子制品有限公司 A kind of magnetic roll of magnetic separator
CN207204363U (en) * 2017-09-04 2018-04-10 科华控股股份有限公司 The sorting equipment of Langaloy chip
CN207353381U (en) * 2017-09-13 2018-05-11 河南易成新能源股份有限公司 Graphite cathode material two-stage iron removal by magnetic separation system
CN108620232A (en) * 2018-04-12 2018-10-09 会理县财通铁钛有限责任公司 A kind of vibration belt type magnetic separator

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