CN111804382B - Epoxy is prepared with phenolic resin grinding device - Google Patents
Epoxy is prepared with phenolic resin grinding device Download PDFInfo
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- CN111804382B CN111804382B CN202010668002.3A CN202010668002A CN111804382B CN 111804382 B CN111804382 B CN 111804382B CN 202010668002 A CN202010668002 A CN 202010668002A CN 111804382 B CN111804382 B CN 111804382B
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- grinding
- phenolic resin
- cavity
- disc
- screen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
- B02C7/04—Crushing or disintegrating by disc mills with coaxial discs with concentric circles of intermeshing teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/20—Disintegrating by grating
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- 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
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/16—Driving mechanisms
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- 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
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- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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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
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- 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
Abstract
The invention discloses phenolic resin grinding equipment for preparing epoxy resin, which comprises a main body, a grinding cavity and a material receiving cavity, wherein the grinding cavity and the material receiving cavity are arranged in the main body, the material receiving cavity is positioned at the bottom of the grinding cavity, a grinding device driven by a first driving motor is arranged in the grinding cavity, the grinding device comprises a driving shaft with a hollow structure, when the phenolic resin grinding equipment is used, grinding discs can move up and down relatively when rotating through a wave groove, two adjacent grinding discs can rotate oppositely or relatively by further matching with a moment adjusting component, the friction grinding effect can be realized while the phenolic resin is extruded and crushed, the size of the ground phenolic resin particles can be screened through a screen, and the phenolic resin particles which do not meet the requirements can be ground for a plurality of times by matching with a material pushing screw rod, the problem that the particles after grinding are different in size and need to be ground for multiple times can be solved.
Description
Technical Field
The invention relates to the technical field of epoxy resin, in particular to phenolic resin grinding equipment for preparing epoxy resin.
Background
Epoxy resin is a generic name of a polymer containing more than two epoxy groups in a molecule, and due to the chemical activity of the epoxy groups, a plurality of compounds containing active hydrogen can be used for ring opening, curing and crosslinking to generate a network structure, so that the epoxy resin is a thermosetting resin.
When the non-porous honeycomb structural member is bonded, some other materials such as phenolic resin and the like are usually added to adjust the bonding adhesive, and when the phenolic resin is added to adjust the bonding adhesive, the size of phenolic resin particles needs to be controlled, wherein the non-porous honeycomb structural member is prepared by a mechanical grinding method, so that the cost is low, and the preparation is convenient.
However, the size of the phenolic resin particle band prepared by the mechanical grinding method is easy to control, and during preparation, a user needs to repeatedly grind the phenolic resin particle band for many times to obtain phenolic resin powder with a specified particle size, so that the operation is not only complicated, but also a large amount of time is wasted.
Disclosure of Invention
The invention aims to provide phenolic resin grinding equipment for preparing epoxy resin, which solves the technical problems that in the prior art, the phenolic resin powder with the specified particle size is difficult to obtain at one time by mechanically grinding the phenolic resin, the grinding operation is complicated by repeated grinding by workers, and a large amount of time is wasted.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a phenolic resin grinding device for preparing epoxy resin comprises a main body, a grinding cavity and a material receiving cavity, wherein the grinding cavity and the material receiving cavity are both arranged in the main body, and the material receiving cavity is positioned at the bottom of the grinding cavity;
the grinding device is arranged in the grinding cavity and driven by a first driving motor, the grinding device comprises a driving shaft in a hollow structure and a plurality of grinding discs sleeved on the driving shaft, wave grooves used for controlling the positions of the grinding discs are formed in the side walls of the grinding cavity, and when the driving shaft drives the grinding discs to rotate, two adjacent grinding discs move oppositely or relatively through the wave grooves to grind phenolic resin;
the material receiving cavity is internally provided with a screen used for screening phenolic resin particles falling from the grinding cavity and a material pushing screw driven by a second driving motor, the material pushing screw and the driving shaft are coaxially arranged, and the material pushing screw is embedded in the driving shaft;
the side wall of the driving shaft is provided with a plurality of discharge ports positioned between two adjacent grinding discs, the pushing screw is used for pushing phenolic resin particles which do not pass through the screen mesh into the driving shaft and extruding the phenolic resin particles out of the discharge ports, and the phenolic resin particles are repeatedly ground by the two adjacent grinding discs.
As a preferable scheme of the present invention, a torque adjusting assembly for controlling a rotation direction of the grinding disc is disposed between the grinding disc and the driving shaft, the torque adjusting assembly includes a forward rotation adjusting member and a reverse rotation adjusting member, the forward rotation adjusting member and the reverse rotation adjusting member are disposed alternately, and the forward rotation adjusting member and the reverse rotation adjusting member are used for controlling two adjacent grinding discs to rotate in opposite directions or in opposite directions.
As a preferable scheme of the invention, a guide plate which is sleeved on the driving shaft and is matched with the discharge port is fixed on the torque adjusting assembly, and the guide plate is positioned between two adjacent grinding discs and is used for guiding the phenolic resin particles between the two adjacent grinding discs.
As a preferable scheme of the present invention, the side wall of the grinding disc has a plurality of fixed blocks matched with the wave grooves in an annular array with respect to the central axis of the grinding disc, and two adjacent grinding discs move towards or relative to each other along the axial direction of the driving shaft by the engagement of the fixed blocks and the wave grooves.
As a preferable scheme of the present invention, a difference between an inner diameter length of the grinding chamber and an outer diameter length of the grinding disc is smaller than a length of the fixing block.
As a preferable scheme of the invention, one end of the driving shaft facing the screen is in a conical cavity structure, and the pushing screw pushes the phenolic resin particles into the conical cavity, so that the phenolic resin particles are distributed between two adjacent grinding discs through the discharge port.
As a preferred scheme of the invention, the pushing screw is also provided with a vibration component for driving the screen to do up-and-down reciprocating motion;
the vibration component comprises a driving disc which is sleeved on the material pushing screw and is of a wave structure, and a supporting rod which is arranged on the screen and is matched with the driving disc, and the driving disc enables the screen to move up and down by pushing the supporting rod.
In a preferred embodiment of the present invention, a guide shaft slidably connected to the main body through a spring is disposed on a side of the screen facing away from the grinding chamber, and the screen makes the driving disk abut against the supporting rod through the guide shaft.
As a preferable scheme of the invention, the screen is of an inward concave conical structure, the screen performs vibration screening on phenolic resin particles through a vibration assembly, and the phenolic resin particles which do not pass through the screen are concentrated to the center of the screen and pushed into a conical cavity by a pushing screw.
In a preferred embodiment of the present invention, the grinding disc is provided with a plurality of grinding rollers, and the grinding rollers on two adjacent grinding discs are arranged at intervals.
Compared with the prior art, the invention has the following beneficial effects:
when the grinding device is used, the grinding discs can move up and down relatively when rotating through the wave grooves, the adjacent two grinding discs can rotate oppositely or relatively by being matched with the moment adjusting assembly, the grinding effect can be realized while the phenolic resin is extruded and crushed, the size of the ground phenolic resin particles can be screened through the screen, the phenolic resin particles which do not meet the requirement can be ground for multiple times for two times by being matched with the material pushing screw, and the problem that the ground particles are different in size and need to be ground for multiple times can be solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a polishing disk according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a drive plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a wave groove in an embodiment of the present invention;
fig. 5 is an enlarged view of a portion a of fig. 1.
The reference numerals in the drawings denote the following, respectively:
1-a body; 2-grinding chamber; 3-a material receiving cavity; 4-a grinding device; 5-screening the screen; 6-pushing a material screw rod; 7-a torque adjustment assembly; 8-a tapered cavity;
401-a drive shaft; 402-a grinding disc; 403-wave grooves; 404-a discharge hole; 405-fixing block; 406-a grinding roller;
601-a vibrating assembly; 602-a drive disc; 603-struts; 604-guide shaft
701-a positive rotation adjusting piece; 702-a counter-rotation adjustment; 703-guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides a phenolic resin grinding device for epoxy resin preparation, which comprises a main body 1, a grinding chamber 2 and a material receiving chamber 3, wherein the grinding chamber 2 and the material receiving chamber 3 are both arranged in the main body 1, and the material receiving chamber 3 is located at the bottom of the grinding chamber 2.
Be provided with in the grinding chamber 2 through the grinder 4 of first driving motor drive, grinder 4 is including being hollow structure's drive shaft 401 to and the cover establishes a plurality of abrasive disc 402 on the drive shaft 401, offer the wave groove 403 that is used for controlling abrasive disc 402 position on the lateral wall of grinding chamber 2, when drive shaft 401 drives abrasive disc 402 and rotates, two adjacent abrasive disc 402 do opposite or relative motion through wave groove 403, grind phenolic resin.
The number of the grinding discs 402 is at least three, the number of the wave grooves 403 is opposite to that of the grinding discs 402, and when the grinding disc is used, the maximum fluctuation amplitude of the wave grooves 403 can be adjusted correspondingly according to the size of the actually processed phenolic resin particles.
The wave groove 403 can enable two adjacent grinding discs 402 to move close to or away from each other when the grinding discs 402 rotate, so that the phenolic resin can be crushed by extrusion when the grinding discs move from the positions away from each other to the positions close to each other, and the grinding discs 402 are always in a rotating state in the process, so that the phenolic resin can be crushed by extrusion and can be ground by friction.
The shape of the wave groove 403 shown in fig. 4 is only one embodiment, and the wave groove 403 may also be configured as: the adjacent positions of the two adjacent wave grooves 403 are in a planar structure, so that the grinding time of the two adjacent grinding discs 402 on the phenolic resin and the frequency of squeezing and crushing can be controlled through the structure, and a user can correspondingly adjust the wave grooves 403 according to actual conditions in the actual use process.
The screen 5 used for screening phenolic resin particles falling from the grinding cavity 2 and arranged in the material receiving cavity 3 and the material pushing screw 6 driven by the second driving motor are coaxially arranged with the driving shaft 401, and the material pushing screw 6 is embedded in the driving shaft 401.
The screen cloth 5 is grinding chamber 2 and receipts material chamber 3 for mainly used isolation, and the phenolic resin after 4 grindings through grinder can fall from the clearance between abrasive disc 402 and the grinding chamber 3 and fall into to receiving the material chamber 3 in, further can filter the phenolic resin after grinding through screen cloth 5 to can avoid qualified granule and unqualified granule to mix together, further cause and need the staff to carry out the problem of grinding many times to it.
The side wall of the driving shaft 401 is provided with a plurality of discharge ports 404 located between two adjacent grinding discs 402, and the pushing screw 6 is used for pushing the phenolic resin particles which do not pass through the screen 5 into the driving shaft 401, extruding the phenolic resin particles out of the discharge ports 404, and repeatedly grinding the phenolic resin particles by the two adjacent grinding discs 402.
It should be noted here that the phenolic resin particles poured into the grinding device should be primarily crushed so that the poured phenolic resin particles are smaller than the diameter of the discharge port 404, so as to avoid the problem that the phenolic resin particles are easily blocked at the discharge port 404 due to the larger particle diameter.
A torque adjusting assembly 7 for controlling the rotation direction of the grinding disc 402 is arranged between the grinding disc 402 and the driving shaft 401, the torque adjusting assembly 7 comprises a forward rotation adjusting piece 701 and a reverse rotation adjusting piece 702, the forward rotation adjusting piece 701 and the reverse rotation adjusting piece 702 are arranged at intervals, and the forward rotation adjusting piece 701 and the reverse rotation adjusting piece 702 are used for controlling the two adjacent grinding discs 402 to rotate in the opposite direction or in the opposite direction.
The forward rotation adjusting part 701 and the reverse rotation adjusting part 702 both comprise a gear arranged on the driving shaft and an excessive gear meshed with the gear, a driven gear ring is arranged on the inner ring of the grinding disc 402, the forward rotation adjusting part 701 directly realizes the rotation of the grinding disc 402 through the meshing of a first excessive gear and the driven gear ring, and the reverse rotation adjusting part 702 adopts two excessive gears as an intermediate transmission part, so that the rotation direction of the grinding disc 402 driven by the forward rotation adjusting part 701 can be ensured to be opposite to the rotation direction of the grinding disc 402 driven by the reverse rotation adjusting part 702, and the grinding effect can be further improved through the reverse rotation of two adjacent grinding discs 402.
In order to avoid that the phenolic resin is always positioned between the two grinding discs 402 during grinding, a plurality of spiral guide grooves can be arranged on the grinding discs 402, because the adjacent two grinding discs 402 can move close to or away from each other in the vertical direction under the action of the wavy grooves 403, so that when two adjacent grinding discs 402 move away from each other, the phenolic resin can move outwards under the action of centrifugal force and further cooperate with the guide groove, the discharge of the ground phenolic resin can be realized, in order to avoid the problem that the phenolic resin is difficult to be sufficiently ground due to the large centrifugal force, the frequency of switching the position of the grinding disc 402 during rotation can be increased by controlling the distance between the upper and lower peaks of the wavy groove 403, and the problem that the phenolic resin is directly thrown out without being sufficiently ground can be further prevented.
A guide plate 703 which is sleeved on the driving shaft 401 and matched with the discharge port 404 is fixed on the torque adjusting assembly 7, and the guide plate 703 is positioned between two adjacent grinding discs 402 and used for guiding phenolic resin particles between the two adjacent grinding discs 402.
The guide plate 703 is fixed in the central axis of excessive gear, and the central axis here is fixed in main part 1, and excessive gear is connected on the central axis for rotating, when using, can ensure the fixed stability of guide plate 703 to the phenolic resin granule that throws away from discharge gate 404 can pass through the guide of guide plate 703, gets into between two adjacent abrasive disc 402, can avoid phenolic resin can influence the problem of moment adjusting part 7 normal operating.
The side wall of the grinding disc 402 is provided with a plurality of fixing blocks 405 matched with the wave grooves 403 in an annular array around the central axis of the grinding disc 402, two adjacent grinding discs 402 move oppositely or relatively along the axial direction of the driving shaft 401 through the engagement of the fixing blocks 405 and the wave grooves 403, and the difference between the length of the inner diameter of the grinding cavity 2 and the length of the outer diameter of the grinding disc 402 is smaller than the length of the fixing blocks 405.
The fixed block 405 sets up for embedding wave groove 403, when abrasive disc 402 rotated, can realize the upper and lower undulant of abrasive disc 402 through 403's effect, and here the internal diameter length of grinding chamber 2 and the length difference of abrasive disc 402 external diameter are less than the length of fixed block 405, mainly used for making can reserve sufficient space between abrasive disc 402 and the grinding chamber 2 to avoid the problem that the phenolic resin after the grinding can be with falling.
The end of the driving shaft 401 facing the screen 5 is a conical cavity 8, and the side wall of the conical cavity 8 is an inclined structure, so that when the pushing screw 6 applies force to the phenolic resin in the conical cavity 8, the phenolic resin can be discharged from the discharge port 404 more easily, and the pushing screw 6 pushes the phenolic resin particles into the conical cavity 8, so that the phenolic resin particles are distributed between two adjacent grinding discs 402 through the discharge port 404.
The discharge port 404 is preferably of a strip structure, and is used for increasing the size of the discharge port 404 to the maximum extent and avoiding the problem that the discharge port 404 is small and phenolic aldehyde particles are easy to block in the discharge port 404.
As shown in fig. 1 and 5, the pushing screw 6 is further provided with a vibration component 601 for driving the screen cloth 5 to reciprocate up and down, the vibration component 601 includes a driving disk 602 which is sleeved on the pushing screw 6 and has a wave structure, and a supporting rod 603 which is arranged on the screen cloth 5 and is matched with the driving disk 602, and the driving disk 602 drives the supporting rod 603 to move so that the screen cloth 601 moves up and down.
The structure of the driving disc 602 is similar to that of the wave groove 403, when the driving disc 602 is driven to rotate by the rotation of the pushing screw 6, the left and right positions of the supporting rod 603 are not changed, and because of the special shape of the driving disc 602, the supporting rod 603 can be pushed by the driving disc 602 to move up and down, so that the up and down movement of the screen 5 can be further realized.
The side of the screening media 5 remote from the grinding chamber 2 is provided with a guide shaft 604 which is slidably connected to the main body 1 by a spring, and the screening media 5 passes through the guide shaft to cause the driving disk 602 to abut against the rod 603.
The guide shaft 604 is used for controlling the moving direction of the screen 5, so as to avoid the problem that the screen 5 can rotate and the phenolic resin particles can not be screened in a falling mode.
The screen 5 is of an inwards concave conical structure, the screen 5 performs vibration screening on phenolic resin particles through the vibration component 601, the phenolic resin particles which do not pass through the screen 5 are concentrated to the center of the screen 5, and the phenolic resin particles are pushed into the conical cavity 8 by the pushing screw 6.
The screen cloth 5 has certain slope, and the phenolic resin granule that drops from grinding chamber 2 can naturally landing to the central point of screen cloth 5 puts the department, at this in-process, can realize screening the phenolic resin granule after grinding, and the vibrations of screen cloth 5, this process then can accelerate, avoids phenolic resin particle size and screen cloth 5 aperture just unanimous time simultaneously, and it blocks up the problem of stopper net 5 easily.
The larger phenolic particles concentrated at the center of the screen 5 can be pushed into the conical cavity 8 under the driving of the pushing screw 6, the phenolic resin can be extruded out of the discharge port 404 by further applying force, and the phenolic resin can be further placed between two adjacent grinding discs 402, so that the phenolic resin particles can be extruded, crushed and ground through the grinding discs 402, and in the process, the ground phenolic resin particles can be gradually thrown out under the centrifugal action force of the grinding discs 402, so that a cycle is completed, and the ground particles can pass through the screen 5.
The grinding discs 402 are provided with a plurality of grinding rollers 406, and the grinding rollers 406 on two adjacent grinding discs 402 are arranged at intervals, so that the corresponding diameters can be selected according to requirements, the grinding effect is mainly increased during grinding, the grinding rollers can be removed, and the grinding of the phenolic resin is completed through the side walls of the two adjacent grinding discs 402.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. The phenolic resin grinding equipment for preparing the epoxy resin is characterized by comprising a main body (1), a grinding cavity (2) and a material receiving cavity (3), wherein the grinding cavity (2) and the material receiving cavity (3) are both arranged in the main body (1), and the material receiving cavity (3) is positioned at the bottom of the grinding cavity (2);
the grinding device (4) driven by a first driving motor is arranged in the grinding cavity (2), the grinding device (4) comprises a driving shaft (401) with a hollow structure and a plurality of grinding discs (402) sleeved on the driving shaft (401), wave grooves (403) used for controlling the positions of the grinding discs (402) are formed in the side wall of the grinding cavity (2), and when the driving shaft (401) drives the grinding discs (402) to rotate, two adjacent grinding discs (402) move oppositely or relatively through the wave grooves (403) to grind phenolic resin;
the phenolic resin grinding device comprises a screen (5) and a pushing screw (6), wherein the screen (5) is arranged in the material receiving cavity (3) and used for screening phenolic resin particles falling from the grinding cavity (2), the pushing screw (6) is driven by a second driving motor, the pushing screw (6) and a driving shaft (401) are coaxially arranged, and the pushing screw (6) is embedded in the driving shaft (401);
the side wall of the driving shaft (401) is provided with a plurality of discharge holes (404) positioned between two adjacent grinding discs (402), the material pushing screw (6) is used for pushing phenolic resin particles which do not pass through the screen (5) into the driving shaft (401) and extruding the phenolic resin particles out of the discharge holes (404), and the phenolic resin particles are repeatedly ground by the two adjacent grinding discs (402);
the side wall of the grinding disc (402) is provided with a plurality of fixing blocks (405) matched with the wave grooves (403) in an annular array mode relative to the central axis of the grinding disc (402), and two adjacent grinding discs (402) move oppositely or relatively along the axial direction of the driving shaft (401) through the engagement of the fixing blocks (405) and the wave grooves (403).
2. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 1, wherein: be provided with between abrasive disc (402) and drive shaft (401) and be used for controlling abrasive disc (402) rotation direction's moment adjusting part (7), moment adjusting part (7) are including positive regulating part (701) and anti-regulation (702) of revolving, positive regulating part (701) and anti-regulation (702) of revolving set up for alternate, just positive regulating part (701) and anti-regulation (702) of revolving are used for controlling adjacent two abrasive disc (402) carry out opposite directions or opposite rotation.
3. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 2, wherein: the moment adjusting assembly (7) is fixedly provided with a guide plate (703) which is sleeved on the driving shaft (401) and matched with the discharge hole (404), and the guide plate (703) is positioned between two adjacent grinding discs (402) and used for guiding phenolic resin particles between the two adjacent grinding discs (402).
4. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 1, wherein: the difference between the length of the inner diameter of the grinding cavity (2) and the length of the outer diameter of the grinding disc (402) is smaller than the length of the fixing block (405).
5. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 1, wherein: the end, facing the screen (5), of the driving shaft (401) is in a conical cavity (8) structure, and the pushing screw (6) pushes phenolic resin particles into the conical cavity (8) so that the phenolic resin particles are distributed between two adjacent grinding discs (402) through the discharge hole (404).
6. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 5, wherein: the pushing screw (6) is also provided with a vibration component (601) for driving the screen (5) to reciprocate up and down;
vibration subassembly (601) are including the cover establish push away material on screw rod (6) and be drive-disc (602) of wave structure to and set up on screen cloth (5) and with branch (603) of drive-disc (602) phase-match setting, drive-disc (602) make screen cloth (5) carry out up-and-down motion through promoting branch (603) motion.
7. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 6, wherein: one side of the screen (5) far away from the grinding cavity (2) is provided with a guide shaft (604) which is connected to the main body (1) in a sliding manner through a spring, and the screen (5) enables the driving disc (602) to cling to the support rod (603) through the guide shaft.
8. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 5, wherein: the sieve (5) is of an inwards concave conical structure, the sieve (5) is used for vibrating and screening phenolic resin particles through the vibrating component (601), the phenolic resin particles which do not pass through the sieve (5) are concentrated at the central position of the sieve (5), and the phenolic resin particles are pushed into the conical cavity (8) through the pushing screw (6).
9. The phenolic resin grinding device for epoxy resin preparation as claimed in claim 1, wherein: the grinding disc (402) is provided with a plurality of grinding rollers (406), and the grinding rollers (406) on two adjacent grinding discs (402) are arranged at intervals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010668002.3A CN111804382B (en) | 2020-07-13 | 2020-07-13 | Epoxy is prepared with phenolic resin grinding device |
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| CN202010668002.3A CN111804382B (en) | 2020-07-13 | 2020-07-13 | Epoxy is prepared with phenolic resin grinding device |
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| CN111804382A CN111804382A (en) | 2020-10-23 |
| CN111804382B true CN111804382B (en) | 2022-03-29 |
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| CN112452405B (en) * | 2020-10-27 | 2022-06-28 | 湖南兆为科技有限公司 | Preparation method of fine chemical raw material titanium dioxide |
| CN113019656A (en) * | 2021-03-12 | 2021-06-25 | 郑州工程技术学院 | High-efficient mineral exploitation equipment |
| CN114832904A (en) * | 2022-04-19 | 2022-08-02 | 裴有卫 | Biological feed two-stage grinding device and grinding method |
| CN116945405B (en) * | 2023-08-18 | 2024-03-15 | 江苏双鑫新材料有限公司 | Semi-conductive shielding plastic granulation preprocessing device |
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| CN206027822U (en) * | 2016-08-31 | 2017-03-22 | 云南云岭涂料有限公司 | But vertical sanding device of feed back |
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| DE102014014945A1 (en) * | 2014-10-09 | 2016-04-14 | Micro Impact Mill Limited | Apparatus and method for erzerkleinern with a hydraulic spring device |
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| CN206027822U (en) * | 2016-08-31 | 2017-03-22 | 云南云岭涂料有限公司 | But vertical sanding device of feed back |
| CN207126593U (en) * | 2017-08-28 | 2018-03-23 | 四川天强防水保温材料有限责任公司 | A kind of modified pitch grinder |
| CN209317771U (en) * | 2018-12-18 | 2019-08-30 | 西安航空学院 | A kind of slag collection device of heat treatment |
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