CN108724523B - Foam raw material grinding device - Google Patents

Foam raw material grinding device Download PDF

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Publication number
CN108724523B
CN108724523B CN201810517868.7A CN201810517868A CN108724523B CN 108724523 B CN108724523 B CN 108724523B CN 201810517868 A CN201810517868 A CN 201810517868A CN 108724523 B CN108724523 B CN 108724523B
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China
Prior art keywords
crushing
barrel
piston
air
crushing barrel
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CN201810517868.7A
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Chinese (zh)
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CN108724523A (en
Inventor
申天玖
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Guizhou Xingjian Exhibition Technology Co ltd
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Zunyi Jinhongfu Technology Development Co ltd
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Priority to CN201810517868.7A priority Critical patent/CN108724523B/en
Publication of CN108724523A publication Critical patent/CN108724523A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • B02C4/42—Driving mechanisms; Roller speed control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
    • B02C2023/165—Screen denying egress of oversize material

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The invention belongs to the technical field of crushing, grinding or pulverizing devices, and discloses a foam raw material grinding device which comprises a first crushing part and a second crushing part, wherein the first crushing part comprises a first crushing barrel and a first crushing roller; a feed inlet and a discharge outlet are arranged on the first crushing barrel; a screening plate comprising a screening plate and an installation plate is arranged in the first crushing barrel, and a screen mesh capable of extending out of the installation plate is arranged on the installation plate; a material guide opening and a limiting block are arranged on the side wall of the first crushing barrel; the side wall of the second crushing barrel is provided with a feed opening, and the bottom of the second crushing part is also provided with a material taking opening; and the device also comprises a driving mechanism for driving the two second crushing rollers to rotate. The invention solves the problem that the prior art can not realize the contact of the grinding roller and all raw materials entering the grinding barrel, which can cause that a part of the raw materials can not be ground and the grain diameter of the ground raw material particles is not uniform.

Description

Foam raw material grinding device
Technical Field
The invention belongs to the field of crushing, grinding or smashing devices, and particularly relates to a foam raw material grinding device.
Background
The foam is a plastic foam for short, is a polymer material formed by dispersing a large number of micropores in solid plastics, has the characteristics of light weight, heat insulation, sound absorption and shock absorption, and has dielectric properties superior to matrix resin, so the foam is widely applied to the fields of packaging, sound insulation, heat insulation and the like.
The processing of foam mainly includes raw materials grinding and smashing, raw materials ratio, melting, mould shaping, cooling step, wherein grinding and smashing is to smash the bigger raw materials of granule into the raw materials granule that the particle size is less through grinder mainly to the melting of the raw materials of being convenient for, and the accurate ratio of the raw materials of being convenient for.
Present grinder that uses usually includes crushing bucket and rotates the crushing roller of connecting at crushing bucket, is equipped with a plurality of crushing teeth on crushing roller's the outer wall, rotates through crushing roller and drives crushing tooth and rotate for crushing tooth gives the great shearing force of raw materials, realizes the smashing to the raw materials. In order to melt the raw material uniformly, it is necessary to make the particle diameter of the pulverized raw material uniform.
However, the grinding device provided by the technical scheme can not realize the contact between the grinding roller and all raw materials entering the grinding barrel when the raw materials are ground, so that a part of raw materials can not be ground, and the particle size of the ground raw materials is uneven.
Disclosure of Invention
The invention aims to provide a foam raw material grinding device to solve the problem that in the prior art, a grinding roller cannot be in contact with all raw materials entering a grinding barrel, so that a part of raw materials cannot be ground, and the particle size of ground raw material particles is uneven.
In order to achieve the above object, the present invention provides a foam raw material grinding apparatus, including a first grinding part and a second grinding part, where the first grinding part includes a first grinding barrel and a first grinding roller which is arranged on the first grinding barrel and is driven by a motor, and the outer wall of the first grinding roller is provided with grinding teeth; the top of the first crushing barrel is provided with a feeding hole, and the bottom of the first crushing barrel is provided with a discharging hole; a screening plate comprising a screening plate and an installation plate is also connected in the first crushing barrel in a sliding manner, and a first spring is arranged between the screening plate and the first crushing barrel; one end of the mounting plate, which is far away from the sieve plate, is provided with a screen which can extend out of the mounting plate; a material guide opening positioned below the mounting plate is arranged on the side wall, close to the mounting plate, of the first crushing barrel, a limiting block is arranged on the side wall, abutting against the sieve plate, of the first crushing barrel, and the limiting block is positioned between the sieve plate and the material guide opening; a second crushing barrel of the second crushing part, wherein two second crushing rollers are arranged in the second crushing barrel side by side, a feed opening communicated with the feed opening is formed in the side wall of the second crushing barrel, a feed guide chute which is arranged in an inward inclining manner is arranged below the feed opening in the second crushing barrel, the lower end of the feed guide chute is positioned between the two crushing rollers, and a material taking opening is also formed in the bottom of the second crushing part; and the device also comprises a driving mechanism for driving the two second crushing rollers to rotate.
The principle of the technical scheme is as follows:
rotate through first crushing roller and smash the raw materials, the raw materials granule that forms makes the sieve reciprocate through first spring on dropping to the sieve, realizes that the vibration of sieve sieves raw materials granule to when leaving the raw materials granule on the sieve more, the sieve moves down. When the sieve removed to offset with the stopper, the sieve stopped to move down, but the mounting panel continuously moves down under the action of gravity of raw materials granule to make the screen cloth stretch out the mounting panel, the screening board is the tilt state, and raw materials granule on the screening board passes through guide mouth and feed opening and gets into and smash the bucket through actuating mechanism drive two second in and smash the roller rotation, realizes carrying out the regrinding to the great raw materials granule of particle diameter.
The beneficial effects of the technical scheme are as follows:
1. compared with the existing grinding device, the technical scheme is provided with the second grinding barrel for secondary grinding, so that the raw material particles with larger particle size after primary grinding can be secondarily ground, and the uniformity of the ground raw material particles is high;
2. the sieve plate is arranged in the first crushing barrel, so that crushed raw material particles can be sieved, and the raw material particles with larger particle size can be sieved; meanwhile, a spring is arranged between the sieve plate and the first crushing barrel, so that the sieve plate vibrates after crushed raw material particles fall onto the sieve plate, and the sieving effect is improved;
3. the mounting plate is internally provided with an extendable screen mesh and is matched with the limiting block, so that the screening plate can be inclined, and the raw material particles with larger particle size are guided into the second crushing barrel to be secondarily crushed, and the uniformity of the raw material particles is improved; and set up the screen cloth, when raw materials granule moved along the screen cloth, can sieve the raw materials granule that is located on the mounting panel for the less raw materials granule of particle diameter falls to first crushing barrel head portion, avoids the less raw materials granule of particle diameter to fall to carry out the less condition of raw materials granule particle diameter that the regrinding leads to in the crushing bucket of second to appear.
Further, the driving mechanism comprises a piston barrel and an air storage frame, a piston is arranged in the piston barrel, a second spring is arranged between the bottom of the piston and the piston barrel, the top of the piston is provided with a piston rod, the top end of the piston rod penetrates through the piston barrel and the first crushing barrel and extends into the first crushing barrel, and the top end of the piston rod is abutted against the bottom of the mounting plate; the piston barrel is provided with a piston barrel, the piston barrel is provided with a; one of the second crushing rollers is provided with a rotating blade, the two second crushing rollers are driven by a gear set, the air bag is communicated with an air outlet pipe, an air outlet valve is arranged on the air outlet pipe, and the air outlet end of the air outlet pipe positively rotates the rotating blade.
Has the advantages that: the sieve plate can move up and down in a reciprocating mode under the action of impact of raw material particles and reset of the first spring, the piston rod is abutted to the mounting plate, and the second spring is arranged between the bottom of the piston and the piston barrel, so that the piston rod can drive the piston to move up and down in a reciprocating mode when the sieve plate moves up and down in a reciprocating mode. The piston moves up and down in a reciprocating way, so that intermittent air suction and exhaust at the upper part and the lower part of the piston barrel can be realized, and exhausted air is guided into the air bag through the Y-shaped pipe. After the great raw material granule of particle diameter that leaves on the sieve got into the crushing bucket of second, opened the air outlet valve door for gas in the gasbag passes through the outlet duct and discharges, and blows rotor blade and rotate, realizes that one of them second smashes the roller and rotates, and cooperates two second to smash the roller and pass through the gear train transmission, makes two second smash the roller and rotate relatively, thereby realizes carrying out the secondary crushing to the great raw material granule of particle diameter.
The gas storage frame is provided with a gas storage frame, a gas inlet and a gas outlet, and is characterized by further comprising a starting mechanism, wherein the starting mechanism comprises an electromagnet fixed at the top of the gas storage frame and a power supply communicated with the electromagnet, the power supply is electrically connected with a switch for controlling the power supply to be communicated with the electromagnet in the forward direction or the reverse direction, and a magnet balancing weight attracted with the electromagnet is further arranged; the air outlet valve is provided with a magnet block which is attracted with the electromagnet, the side wall of the first crushing barrel is provided with a controller which is used for controlling the switch, and the controller is positioned below the air guide port.
Has the advantages that: when the screen cloth roll-off mounting panel and continuously move down to the extrusion controller downwards for controller control switch makes power and the reverse intercommunication of electro-magnet, thereby makes the magnetic field that the electro-magnet produced reverse, thereby repelling magnet balancing weight and magnet piece. When the electro-magnet repels the magnet balancing weight, extrude the gasbag under the effect of magnet balancing weight self gravity and electro-magnet repulsion magnet balancing weight to the magnet piece drives the air outlet valve rotation under the effect that the electro-magnet repels, realizes opening of air outlet valve, thereby exports the gas in the gasbag through the outlet duct, and blows rotor blade, realizes that the second smashes the rotation of roller.
Further, still including running through first crushing bucket lateral wall and with first crushing bucket lateral wall sliding connection slide bar, the slide bar is located one of first crushing bucket and serves to dismantle and be connected with the baffle, and the pot head that the slide bar is located first crushing bucket is equipped with the third spring.
Has the advantages that: after the raw materials got into first crushing bucket, drive crushing tooth pivoted effect at crushing roller, can strike the lateral wall of first crushing bucket, easily lead to first crushing bucket lateral wall impaired, and through setting up the baffle for the raw materials strikes the baffle, and the baffle is changed and is dismantled easily, and the cost of changing after damaging is lower. Simultaneously because be equipped with the third spring on the slide bar, consequently can make baffle reciprocating motion, and during baffle reciprocating motion, can give the raw materials a power to first crushing roller direction removal to make the raw materials once more smash with the contact of first crushing roller, thereby improve the crushing effect of raw materials.
Furthermore, a stop block is arranged at one end of the sliding rod, which is positioned outside the first crushing barrel.
Has the advantages that: the dog can avoid the slide bar to slide into the difficult roll-off condition appearance in the first crushing bucket.
Furthermore, a corrugated pipe is arranged between the baffle plate and the inner wall of the crushing barrel, an air guide pipe is communicated between the corrugated pipe and the air bag, an air guide one-way valve is arranged in the air guide pipe, an air suction port is arranged on the corrugated pipe, and an air suction one-way valve is arranged in the air suction port.
Has the advantages that: in the process of baffle reciprocating motion, can make the bellows intermittent type by tensile and compression to the realization stores in leading-in gasbag with gas through the air duct, provides the power supply for rotor blade rotates.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a first crushing barrel 1, a feeding hole 11, a first crushing roller 12, crushing teeth 13, a material guide opening 14, a limiting block 15, a controller 16, a sliding rod 2, a baffle 21, a stop block 22, a corrugated pipe 23, an air guide pipe 24, a sieve plate 3, a mounting plate 4, a screen 41, a piston barrel 5, a piston 51, a piston rod 52, a second crushing barrel 6, a second crushing roller 61, a discharging opening 62, a material guide chute 63, an air storage frame 7, a constant pressure opening 71, an electromagnet 72, a magnet balancing weight 73, an air bag 74, an air outlet pipe 75, an air outlet valve 76, a magnet block 77 and a Y-shaped pipe 8.
The embodiment is basically as shown in the attached figure 1:
a foam raw material grinding device comprises a first grinding part, a second grinding part, a driving mechanism and a starting mechanism which are installed on a rack. First crushing portion is including installing first crushing bucket 1 in the frame and rotating the first crushing roller 12 of connection in the frame, and 1 top of first crushing bucket is equipped with feed inlet 11, and the bottom is equipped with the discharge gate. The first crushing roller 12 penetrates through the first crushing barrel 1, one end of the first crushing roller extends into the first crushing barrel 1, and a plurality of crushing teeth 13 are arranged on the outer wall of the first crushing roller 12; the frame is also provided with a motor, and the output shaft of the motor is fixed with the middle part of the first crushing roller 12.
Four sliding holes are uniformly distributed in the upper part of the side wall of the first crushing barrel 1, a sliding rod 2 is connected in the sliding holes in a sliding manner, one end of the sliding rod 2 is positioned in the first crushing barrel 1 and is connected with a baffle 21 in a threaded manner, and a third spring is sleeved at one end of the sliding rod 2 positioned in the first crushing barrel 1; the sliding rods 2 are provided with stoppers 22 at the ends outside the first pulverizing barrel 1. A corrugated pipe 23 is arranged between one side of the baffle 21 close to the inner wall of the first crushing barrel 1 and the inner wall of the first crushing barrel 1, an air suction port is arranged on the corrugated pipe 23, an air suction one-way valve is arranged in the air suction port, and when the corrugated pipe 23 is stretched, air is sucked through the air suction port; the corrugated pipe 23 is communicated with an air duct 24, an air duct one-way valve is arranged in the air duct 24, and when the corrugated pipe 23 is compressed, air is discharged through the air duct 24.
First 1 lower part of smashing bucket sliding connection has the screening board, and the screening board includes left mounting panel 4 and sieve 3 on right side, is equipped with first spring between 3 bottoms of sieve and the first 1 bottoms of smashing bucket. The left end of mounting panel 4 is equipped with horizontal sliding tray, and sliding tray sliding connection has screen cloth 41, and the left end of screen cloth 41 offsets with the inner wall of first crushing bucket 1, is equipped with the fourth spring between the right-hand member of screen cloth 41 and the sliding tray. A limiting block 15 is arranged on the inner wall of the right side of the first crushing barrel 1, and the limiting block 15 is positioned below the screen 41; the left side wall of the first crushing barrel 1 is provided with a material guide opening 14, the material guide opening 14 is positioned below the limiting block 15, and the included angle between the connecting line between the bottom of the material guide opening 14 and the bottom of the limiting block 15 and the horizontal plane is 25 degrees.
The second crushing portion comprises a second crushing barrel 6, two second crushing rollers 61 arranged side by side are rotatably connected to the frame, one ends of the second crushing rollers 61 penetrate through the second crushing barrel 6 and are located in the second crushing barrel 6, and a plurality of crushing teeth 13 are also arranged on the second crushing rollers 61. The second grinding roller 61 on the left side is provided with a driving gear and a rotating blade, and the second grinding roller 61 on the right side is provided with a driven gear engaged with the driving gear. The upper portion of the right side wall of the second crushing barrel 6 is provided with a feed opening 62, the feed opening 62 is communicated with the feed opening 14 through a feed guide pipe, the inner wall of the second crushing barrel 6 is further provided with a feed guide chute 63 which is inclined downwards from right to left, the upper surface of the feed guide chute 63 is coplanar with the bottom of the feed opening 62, and the left end of the feed guide chute 63 is positioned above the two second crushing rollers 61.
Actuating mechanism is including installing piston barrel 5 in first crushing barrel 1 bottom and installing the gas storage frame 7 in the second crushing barrel 6 bottoms, be equipped with piston 51 in the piston barrel 5, piston 51 upper portion is equipped with and runs through piston barrel 5 and first crushing barrel 1 and the upper end extends to the piston rod 52 in the first crushing barrel 1, the top and the 4 bottoms of mounting panel of piston rod 52 offset, be equipped with the second spring between piston 51 bottom and the piston barrel 5 bottom, first spring in this embodiment, the second spring, third spring and fourth spring all use the pressure spring.
The piston barrel 5 is provided with an air inlet and an air outlet above and below the piston 51, the air inlet is internally provided with an air inlet one-way valve, and when the pressure at one end of the piston barrel 5 is reduced, air is sucked through the air inlet at the side. Still include Y type pipe 8, Y type pipe 8 includes two branch pipes and section that intersects, and two branch pipes communicate with two gas outlets respectively, are equipped with the check valve of giving vent to anger in the section that intersects for the gas in the piston bucket 5 is discharged through Y type pipe 8.
The top of the gas storage frame 7 is provided with a constant pressure port 71, a gas bag 74 is arranged in the gas storage frame 7, the intersection section of the Y-shaped pipe 8 is communicated with the gas bag 74, one end of the gas guide pipe 24, which is far away from the corrugated pipe 23, is also communicated with the gas bag 74, the gas bag 74 is also provided with a gas outlet pipe 75 communicated with the gas outlet pipe, the gas outlet pipe 75 is provided with a gas outlet valve 76, the gas outlet end of the gas outlet pipe 75 is opposite to the rotating blade, and when gas is discharged from the gas outlet pipe 75.
The starting mechanism comprises an electromagnet 72 fixed on the top of the air storage frame 7 and a power supply communicated with the electromagnet, a magnet counterweight block 73 is adsorbed at the bottom of the electromagnet 72, and a magnet block 77 attracted with the electromagnet 72 is arranged on the air outlet valve 76. The power supply is electrically connected with a switch, the switch is a single-pole double-throw switch, and the power supply can be controlled to be communicated with the electromagnet 72 in the forward direction or the reverse direction; and a controller 16 arranged below the material guide port 14 and used for controlling a switch to enable the power supply to be communicated with the electromagnet 72 in the forward direction or the reverse direction.
The specific implementation process is as follows: the starter motor for the motor drives first crushing roller 12 and rotates, drops into the raw materials of treating kibbling in to first crushing bucket 1 gradually again, rotates along with first crushing roller 12, makes crushing tooth 13 on the first crushing roller 12 produce the shearing force to the raw materials, realizes the crushing to the raw materials. After the raw material is contacted with the first crushing roller 12, the raw material is subjected to centrifugal force given by the first crushing roller 12, so that the raw material moves towards the periphery and impacts the baffle plate 21, and the baffle plate 21 reciprocates under the action of a third spring on the sliding rod; when baffle 21 removed to the middle part of first crushing bucket 1, drive the raw materials and be close to first crushing roller 12 for the raw materials is cut by crushing tooth 13 on first crushing roller 12 once more and is smashed, improves crushing effect. Meanwhile, the baffle 21 intermittently stretches and compresses the corrugated pipe 23 in the reciprocating process, so that the gas in the corrugated pipe 23 is discharged into the air bag 74 through the gas guide pipe 24.
The raw material granule after smashing falls under the action of gravity to on falling sieve 3, under raw material granule's action of gravity, can make sieve 3 move down, and fall to sieve 3 on, the less original granule of particle diameter can fall to first crushing barrel head portion through the mesh of sieve 3, the effect of reseing of the first spring of deuterogamying makes sieve 3 upwards remove. Consequently on falling to sieve 3 along with raw material particle, can make the reciprocating of sieve 3 reciprocate, realize the vibration of sieve 3 to raw material particle on the sieve 3 vibrates, makes the less raw material particle of particle diameter that mix with in the great raw material particle of particle diameter screened, and falls to first crushing bucket 1 bottom through the mesh on the sieve 3, and the great raw material particle of particle diameter stays on sieve 3. Meanwhile, the piston rod 52 is driven to reciprocate up and down in the reciprocating movement process of the sieve plate 3, so that the piston 51 reciprocates up and down, and when the piston 51 moves up, the gas on the upper part of the piston barrel 5 is extruded, so that the gas is discharged through the gas outlet and is guided into the air bag 74 through the Y-shaped pipe 8 to be stored; when the piston 51 moves downwards, the gas at the lower part of the piston barrel 5 is pressed, so that the gas is discharged through the gas outlet and is guided into the air bag 74 through the Y-shaped pipe 8 for storage.
Along with the crushing of raw materials, the raw materials granule that remains on sieve 3 increases gradually, consequently makes sieve 3 move down, and when sieve 3 moved down to the right-hand member and offseted with stopper 15, the right-hand member of sieve 3 stopped moving down. As the material particles on the mounting plate 4 increase, they will continue to press down on the mounting plate 4, and after the mounting plate 4 moves down, the screen plate will tilt, and the screen 41 will slide out of the mounting plate.
After the sieving plate is inclined, raw material particles with larger particle sizes left on the sieving plate slide leftwards, and gradually slide downwards along with the upper surface of the sieve 41, and when the sieve 41 is located below the material guide opening 14, the raw material particles enter the second crushing barrel 6 through the material guide opening 14, the material guide pipe and the material discharge opening 62, and slide to a position between the two second crushing rollers 61 along with the material guide chute 63.
When the screen 41 moves to be positioned below the material guiding opening 14, the controller 16 is triggered, the controller 16 controls the switch to be started to enable the power supply to be reversely communicated with the electromagnet 72, so that the electromagnet 72 generates a force repelling the magnet counterweight 73 and the magnet block 77, so that the magnet counterweight 73 is separated from the electromagnet 72, so that the electromagnet 72 moves downwards under the repelling force and the self gravity to extrude the air bag 74, the magnet block 77 drives the air outlet valve 76 to rotate under the repelling action of the electromagnet 72, so that the air outlet valve 76 is opened, the air in the air bag 74 is discharged through the air outlet pipe 75, the blowing rotating blades rotate, so that the left second crushing roller 61 rotates, the two second crushing rollers 61 rotate relatively through the transmission of the driving gear and the driven gear, so that the raw material particles with larger particle size are crushed secondarily, and after the crushing is finished, taking out the raw material particles through a discharge port and a material taking port.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, which should not be construed as affecting the effectiveness of the application and the utility of the patent.

Claims (5)

1. The utility model provides a foam raw materials grinder which characterized in that: the crushing device comprises a first crushing part and a second crushing part, wherein the first crushing part comprises a first crushing barrel and a first crushing roller which is arranged on the first crushing barrel and driven by a motor, and crushing teeth are arranged on the outer wall of the first crushing roller; the top of the first crushing barrel is provided with a feeding hole, and the bottom of the first crushing barrel is provided with a discharging hole; a screening plate comprising a screening plate and an installation plate is also connected in the first crushing barrel in a sliding manner, and a first spring is arranged between the screening plate and the first crushing barrel; one end of the mounting plate, which is far away from the sieve plate, is provided with a screen which can extend out of the mounting plate; a material guide opening positioned below the mounting plate is arranged on the side wall, close to the mounting plate, of the first crushing barrel, a limiting block is arranged on the side wall, abutting against the sieve plate, of the first crushing barrel, and the limiting block is positioned between the sieve plate and the material guide opening;
a second crushing barrel of the second crushing part, wherein two second crushing rollers are arranged in the second crushing barrel side by side, a feed opening communicated with the feed opening is formed in the side wall of the second crushing barrel, a feed guide chute which is arranged in an inward inclining manner is arranged below the feed opening in the second crushing barrel, the lower end of the feed guide chute is positioned between the two crushing rollers, and a material taking opening is also formed in the bottom of the second crushing part; the second crushing roller is arranged in the second crushing roller groove; the driving mechanism comprises a piston barrel and an air storage frame, a piston is arranged in the piston barrel, a second spring is arranged between the bottom of the piston and the piston barrel, the top of the piston is provided with a piston rod, the top end of the piston rod penetrates through the piston barrel and the first crushing barrel and extends into the first crushing barrel, and the top end of the piston rod is abutted against the bottom of the mounting plate; the piston barrel is provided with a piston barrel, the piston barrel is provided with a; one of the second crushing rollers is provided with a rotating blade, the two second crushing rollers are driven by a gear set, the air bag is communicated with an air outlet pipe, an air outlet valve is arranged on the air outlet pipe, and the air outlet end of the air outlet pipe positively rotates the rotating blade.
2. The foam raw material grinding apparatus according to claim 1, characterized in that: the starting mechanism comprises an electromagnet fixed at the top of the gas storage frame and a power supply communicated with the electromagnet, the power supply is electrically connected with a switch for controlling the power supply to be communicated with the electromagnet in the forward or reverse direction, and a magnet balancing weight attracted with the electromagnet is further arranged; the air outlet valve is provided with a magnet block which is attracted with the electromagnet, the side wall of the first crushing barrel is provided with a controller which is used for controlling the switch, and the controller is positioned below the air guide port.
3. The foam raw material grinding apparatus according to claim 2, characterized in that: still including running through first crushing bucket lateral wall and with first crushing bucket lateral wall sliding connection slide bar, the slide bar is located one of first crushing bucket and serves to dismantle and be connected with the baffle, and the pot head that the slide bar is located first crushing bucket is equipped with the third spring.
4. The foam raw material grinding apparatus according to claim 3, characterized in that: and a stop block is arranged at one end of the sliding rod, which is positioned outside the first crushing barrel.
5. The foam raw material grinding apparatus according to claim 4, characterized in that: the corrugated pipe is arranged between the baffle plate and the inner wall of the crushing barrel, the air guide pipe is communicated between the corrugated pipe and the air bag, the air guide one-way valve is arranged in the air guide pipe, the corrugated pipe is provided with an air suction port, and the air suction port is internally provided with an air suction one-way valve.
CN201810517868.7A 2018-05-25 2018-05-25 Foam raw material grinding device Active CN108724523B (en)

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