CN112372782A - Protective medium-density fiberboard defibrator and working method thereof - Google Patents
Protective medium-density fiberboard defibrator and working method thereof Download PDFInfo
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- CN112372782A CN112372782A CN202011265617.8A CN202011265617A CN112372782A CN 112372782 A CN112372782 A CN 112372782A CN 202011265617 A CN202011265617 A CN 202011265617A CN 112372782 A CN112372782 A CN 112372782A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L11/00—Manufacture of wood shavings, chips, powder, or the like; Tools therefor
- B27L11/08—Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood fibres, e.g. produced by tearing
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Abstract
The invention discloses a protective medium-density fiberboard defibrator, which comprises: the hot mill comprises a hot mill shell, a cover plate, a movable grinding disc, a fixed grinding disc, a grinding disc protection mechanism and a shell protection cover, wherein the movable grinding disc is arranged in the hot mill shell, and the movable grinding disc is provided with a movable grinding disc; a cover plate is arranged on one side of the hot mill shell, a fixed grinding disc is arranged in the cover plate, and a fixed grinding disc is arranged on the fixed grinding disc; the movable grinding disc and the fixed grinding disc are provided with grinding disc protection mechanisms; a shell protective cover is arranged on the outer side of the hot mill shell; the device also comprises a sealing mechanism; the working method of the protective medium-density fiberboard defibrator is also included; adopt controllable structure of cutting off on the one hand, handle big fibre group and the foreign matter that gets into the defibrator, reduce the damage of abrasive disc, improve the service life of abrasive disc, on the other hand has improved the defibrator skin, can cushion and deflect external force, guarantees the completeness of defibrator main part, also avoids the abrasive disc to expose and collapses to fly, and the security is high.
Description
Technical Field
The invention belongs to the technical field of fiber treatment equipment and particularly relates to a protective medium-density fiberboard defibrator and a working method thereof.
Background
The defibrator is one of key equipments of the middle and high density fiberboard production line as a continuous separation equipment for separating the job raw materials such as wood chips and the like into fibers, and along with the rapid development of the middle and high density fiberboard industry in China in recent years, the defibrator is also rapidly developed. As an important production facility for density boards, the quality of operation of the thermo-mill generally determines the quality of the finished board.
However, the existing thermo-mill still has many defects. For example, the most existing defibrinators have the problems that the service life of the grinding sheet is short, the grinding sheet is easy to damage, the grinding sheet is high in manufacturing cost, hard objects are easy to damage, the service life of the grinding sheet is short, the practicability is poor, meanwhile, the most existing defibrinators are easy to damage due to impact, the existing defibrinators are easy to damage when meeting large impact, and the safety is poor. Therefore, the present application has made innovations and improvements to the thermo-mill with respect to the above problems.
The prior defibrator mainly has the following problems:
1. most existing defibrinators are short in service time and easy to damage due to the fact that grinding plates are high in manufacturing cost and hard objects are prone to damage, the service life of the grinding plates is short, and the practicability is poor.
2. Most existing defibrinators have the problem that fragments slide when the grinding plate is damaged, secondary damage is caused, fragments are easily omitted when the grinding plate is replaced, finished product quality is affected, and new grinding plates are easily damaged.
3. Most of the existing defibrinators are easy to be damaged by impact, are easy to be damaged when meeting large impact and have poor safety.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide a protective medium-density fiberboard defibrator and a working method thereof.
The technical scheme is as follows: to achieve the above object, the present invention provides a protective medium density fiberboard defibrator comprising: the hot grinding machine comprises a hot grinding machine shell, a cover plate, a movable grinding disc, a fixed grinding disc, a grinding disc protection mechanism and a shell protection cover, wherein the movable grinding disc is arranged in the hot grinding machine shell, and the movable grinding disc is provided with a movable grinding disc; a cover plate is arranged on one side of the hot mill shell and matched with the hot mill shell, a fixed grinding disc is arranged in the cover plate, a fixed grinding disc is arranged on the fixed grinding disc, and the fixed grinding disc is matched with a movable grinding disc; the movable grinding disc is provided with a grinding disc protection mechanism, and the fixed grinding disc is provided with a grinding disc protection mechanism; a shell protective cover is arranged on the outer side of the hot mill shell, and covers the cover plate.
The grinding disc protection mechanism comprises a foreign matter pressure sensor, a fixed electromagnet and a grinding cutter, wherein the pressure sensor is arranged in a movable grinding disc, the pressure sensors are arranged on the inner side of a grinding disc of the movable grinding disc, the pressure sensors are provided with a plurality of pressure sensors, and the pressure sensors are annularly arranged; the pressure sensor is connected with a fixed electromagnet, the fixed electromagnet is arranged in the movable grinding disc, one side of the fixed electromagnet is provided with a grinding cutter, the grinding cutter is in sliding contact with the movable grinding disc, and the grinding cutter is matched with the fixed electromagnet.
The grinding sheet protection mechanism is arranged, and a controllable cutting structure is adopted to treat large fiber clusters and foreign matters entering the defibrator, so that damage to the grinding sheet is reduced, and the service life of the grinding sheet is prolonged.
The grinding sheet protection mechanism further comprises a grinding sheet pressure sensor, an adsorption electromagnet, an emergency stop switch and a warning lamp, wherein the grinding sheet pressure sensor is arranged in the movable grinding disc and matched with the grinding sheet of the movable grinding disc, the grinding sheet pressure sensor is connected with the adsorption electromagnet, the adsorption electromagnet is arranged in the movable grinding disc and matched with the grinding sheet of the movable grinding disc, the adsorption electromagnet is connected with the emergency stop switch, the adsorption electromagnet is connected with the warning lamp, and the warning lamp is arranged on the outer surface of the shell of the hot grinding machine.
According to the invention, the abrasive disc protection mechanism is arranged, the magnetic force is utilized to adsorb and fix the abrasive disc, a common method for fixing an abrasive disc screw is replaced, the abrasive disc has good working performance and is simple to disassemble and assemble, meanwhile, abrasive disc fragments can be adsorbed, secondary damage caused by the fragments swinging in a thermal grinding machine is avoided, and the equipment practicability is high.
The shell protective cover comprises supporting columns, a buffer cushion layer, a hollow plate and a guide plate, wherein the buffer cushion layer is arranged on the outer side of the housing of the hot grinding machine; the buffer cushion layer is provided with a plurality of supporting columns, the supporting columns penetrate through the buffer cushion layer, one end of each supporting column is connected with the hot mill shell, the other end of each supporting column is connected with a hollow plate, the hollow plate is arranged on the outer side of the buffer cushion layer, and a plurality of cavities are formed in the hollow plate; the hollow core plate outside is provided with the deflector, the deflector encircles the setting.
The arrangement of the shell protective cover improves the outer layer of the defibrator, can buffer and deflect external force, ensures the integrity of the main body part of the defibrator, avoids the exposure and the flying of grinding sheets and has high safety.
The sealing mechanism is arranged on the outer side of the hot grinding machine shell and comprises a first sealing ring, a second sealing ring, a humidity-sensitive resistor, a partition plate, an electric control switch and an expanding agent, wherein the first sealing ring is arranged on the hot grinding machine shell and matched with a cover plate; a humidity sensitive resistor is arranged outside the first sealing ring; a cavity is arranged in the first sealing ring, a partition plate is arranged in the cavity, an electric control switch is arranged on the partition plate, and the electric control switch is connected with a humidity-sensitive resistor; and expansion agents are arranged on two sides of the partition board.
The sealing mechanism can continuously press the equipment, ensures the tight contact between the sealing ring and the equipment, and improves the sealing property of the equipment.
The second sealing ring comprises a first ring body and a second ring body, the first ring body is arranged on the housing of the hot mill, the second ring body is arranged on the first ring body, the section of the first ring body is in a convex shape, the section of the second ring body is in a concave shape, and the second ring body is matched with the first ring body.
The movable grinding disc grinding sheet comprises a fixed base part, a grinding part, a cutting part and a forming part, wherein the fixed base part is fan-shaped, the grinding part is arranged on the inner side of the fixed base part, the grinding part adopts a discontinuous strip-shaped groove, the cutting part is arranged on the outer side of the grinding part, the cutting part is arranged on the fixed base part, the cutting part adopts a transverse groove, the transverse groove is perpendicular to the discontinuous strip-shaped groove, the forming groove is arranged on the outer side of the cutting part, the forming groove is arranged on the fixed base part, and the forming groove adopts a discontinuous oblique groove.
The working method of the protective medium-density fiberboard defibrator comprises the following steps of treating foreign matters:
the method comprises the following steps: when an overlarge fiber cluster or foreign matters enter the equipment, the foreign matter pressure sensor responds under pressure, the fixed electromagnet is electrified, the grinding-off knife extends out, and the foreign matters are ground.
The working method of the protective type medium-density fiberboard defibrator comprises the abrasive disc damage treatment, and specifically comprises the following steps:
the method comprises the following steps: when the abrasive disc is not damaged, the adsorption electromagnet is electrified to adsorb the abrasive disc; when the abrasive disc is damaged, the pressure change of the abrasive disc pressure sensor responds, the magnetic force of the adsorption electromagnet is enhanced by the change of current, abrasive disc fragments are adsorbed, the emergency stop switch is turned on, and the warning lamp is turned on.
The technical scheme shows that the invention has the following beneficial effects:
1. according to the protective medium-density fiberboard defibrator and the working method thereof, a controllable cutting structure is adopted to treat large fiber clusters and foreign matters entering the defibrator, so that the damage of the defibrator is reduced, and the service life of the defibrator is prolonged.
2. According to the protective medium-density fiberboard defibrator and the working method thereof, magnetic force is utilized to adsorb and fix the grinding sheet instead of a common method of fixing the grinding sheet by screws, the grinding sheet has good working performance and simple disassembly and assembly, fragments of the grinding sheet can be adsorbed, secondary damage caused by the fragments swinging in the defibrator is avoided, and the practicability of the equipment is high.
3. According to the protective medium-density fiberboard defibrator and the working method thereof, the outer layer of the defibrator is improved, external force can be buffered and deflected, the integrity of the main body part of the defibrator is ensured, the exposure and the flying of grinding sheets are avoided, and the safety is high.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a blade guard mechanism of the present invention;
FIG. 3 is a schematic diagram of an electrical configuration of the blade guard mechanism of the present invention;
FIG. 4 is a schematic view of the construction of the protective cover of the housing of the present invention;
FIG. 5 is a schematic structural view of the sealing mechanism of the present invention;
FIG. 6 is a schematic structural view of a movable grinding disc of the present invention;
in the figure: a hot mill casing-1, a cover plate-2, a movable millstone-3, a movable millstone 4, a fixed base-41, a grinding part-42, a cutting part-43, a forming part-44, a fixed millstone-5, a fixed millstone 6, a millstone protective mechanism-7, a foreign matter pressure sensor-71, a fixed electromagnet-72, a grinding cutter-73, a millstone pressure sensor-74, an adsorption electromagnet-75, an emergency stop switch-76, a warning lamp-77, a shell protective cover-8, a support column-81, a cushion layer-82, a hollow plate-83, a guide plate-84, a sealing mechanism-9, a first sealing ring-91, a second sealing ring-92, a humidity sensitive resistor-93, a clapboard-94, an electric control switch-95, An expanding agent-96, a first ring body-921 and a second ring body-922.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Example 1
A protective medium density fiberboard defibrator as shown in fig. 1-6, comprising: the hot grinding machine comprises a hot grinding machine shell 1, a cover plate 2, a movable grinding disc 3, a movable grinding disc 4, a fixed grinding disc 5, a fixed grinding disc 6, a grinding disc protection mechanism 7 and a shell protection cover 8, wherein the movable grinding disc 3 is arranged in the hot grinding machine shell 1, and the movable grinding disc 4 is arranged on the movable grinding disc 3; a cover plate 2 is arranged on one side of the hot mill casing 1, the cover plate 2 is matched with the hot mill casing 1, a fixed mill 5 is arranged in the cover plate 2, a fixed mill grinding sheet 6 is arranged on the fixed mill 5, and the fixed mill grinding sheet 6 is matched with a movable mill grinding sheet 4; the movable grinding disc 3 is provided with a grinding disc protection mechanism 7, and the fixed grinding disc 5 is provided with a grinding disc protection mechanism 7; a shell protection cover 8 is arranged on the outer side of the hot mill casing 1, and the cover plate 2 is coated by the shell protection cover 8.
The grinding sheet protection mechanism 7 in the embodiment comprises a foreign matter pressure sensor 71, a fixed electromagnet 72 and a grinding cutter 73, wherein the pressure sensor 71 is arranged in the movable grinding disc 3, the pressure sensor 71 is arranged on the inner side of the grinding sheet 4 of the movable grinding disc, a plurality of pressure sensors 71 are arranged, and the pressure sensors 71 are arranged in a ring shape; the pressure sensor 71 is connected with a fixed electromagnet 72, the fixed electromagnet 72 is arranged in the movable grinding disc 3, a grinding cutter 73 is arranged on one side of the fixed electromagnet 72, the grinding cutter 73 is in sliding contact with the movable grinding disc 3, and the grinding cutter 73 is matched with the fixed electromagnet 72.
The grinding sheet protection mechanism 7 in this embodiment further includes a grinding sheet pressure sensor 74, an adsorption electromagnet 75, an emergency stop switch 76 and a warning light 77, the grinding sheet pressure sensor 74 is arranged in the movable grinding disc 3, the grinding sheet pressure sensor 74 is matched with the movable grinding disc 4, the grinding sheet pressure sensor 74 is connected with the adsorption electromagnet 75, the adsorption electromagnet 75 is arranged in the movable grinding disc 3, the adsorption electromagnet 75 is matched with the movable grinding disc 4, the adsorption electromagnet 75 is connected with the emergency stop switch 76, the adsorption electromagnet 75 is connected with the warning light 77, and the warning light 77 is arranged on the outer surface of the housing 1 of the hot grinding machine.
The housing protective cover 8 in this embodiment includes a supporting column 81, a cushion layer 82, a hollow plate 83 and a guiding plate 84, wherein the cushion layer 82 is disposed outside the housing 1 of the thermo-mill; a plurality of support columns 81 are arranged on the cushion layer 82, the support columns 81 penetrate through the cushion layer 82, one end of each support column 81 is connected with the housing 1 of the hot mill, the other end of each support column 81 is connected with a hollow plate 83, the hollow plates 83 are arranged on the outer side of the cushion layer 82, and a plurality of cavities are formed in the hollow plates 83; the guide plate 84 is arranged outside the hollow plate 83, and the guide plate 84 is arranged in a surrounding manner.
The sealing mechanism 9 is arranged on the outer side of the housing 1 of the thermal grinding machine in the embodiment, the sealing mechanism 9 comprises a first sealing ring 91, a second sealing ring 92, a humidity-sensitive resistor 93, a partition plate 94, an electronic control switch 95 and an expanding agent 96, the first sealing ring 91 is arranged on the housing 1 of the thermal grinding machine, the first sealing ring 91 is matched with the cover plate 2, the second sealing ring 92 is arranged on the outer side of the first sealing ring 91, the second sealing ring 92 is arranged on the housing 1 of the thermal grinding machine, and the second sealing ring 92 is matched with the cover plate 2; a humidity sensitive resistor 93 is arranged outside the first sealing ring 91; a cavity is arranged in the first sealing ring 91, a partition 94 is arranged in the cavity, an electric control switch 95 is arranged on the partition 94, and the electric control switch 95 is connected with a humidity-sensitive resistor 93; the partition 94 is provided with an expanding agent 96 on both sides.
The second sealing ring 92 in this embodiment includes a first ring body 921 and a second ring body 922, the first ring body 921 is disposed on the housing 1 of the thermal grinding machine, the second ring body 922 is disposed on the first ring body 921, the cross section of the first ring body 921 is in a shape of "convex", the cross section of the second ring body 922 is in a shape of "concave", and the second ring body 922 is matched with the first ring body 921.
The movable grinding disc grinding plate 4 in the embodiment comprises a fixed base 41, a grinding part 42, a cutting part 43 and a forming part 44, wherein the fixed base 41 is in a fan shape, the grinding part 42 is arranged on the inner side of the fixed base 41, the grinding part 42 adopts a discontinuous strip-shaped groove, the cutting part 43 is arranged on the outer side of the grinding part 42, the cutting part 43 is arranged on the fixed base 41, the cutting part 43 adopts a transverse groove, the transverse groove is perpendicular to the discontinuous strip-shaped groove, the forming groove 44 is arranged on the outer side of the cutting part 43, the forming groove 44 is arranged on the fixed base 41, and the forming groove 44 adopts a discontinuous oblique groove.
The working method of the protective medium-density fiberboard defibrator in the embodiment comprises foreign matter treatment, and specifically comprises the following steps:
the method comprises the following steps: when an excessively large fiber mass or foreign matter enters the apparatus, the foreign matter pressure sensor 71 responds by pressure, the fixed electromagnet 72 is energized, and the breaking blade 73 is extended to grind the foreign matter.
The working method of the protective medium-density fiberboard defibrator in the embodiment comprises the following specific steps:
the method comprises the following steps: when the grinding sheet is not damaged, the adsorption electromagnet 75 is electrified to adsorb the grinding sheet; when the grinding disc is damaged, the pressure change of the grinding disc pressure sensor 74 responds, the magnetic force of the adsorption electromagnet 75 is enhanced by the change of the current, grinding disc fragments are adsorbed, the emergency stop switch 76 is turned on, and the warning lamp 77 is turned on.
Example 2
A protective medium density fiberboard defibrator as shown in fig. 1-3, comprising: the hot grinding machine comprises a hot grinding machine shell 1, a cover plate 2, a movable grinding disc 3, a movable grinding disc 4, a fixed grinding disc 5, a fixed grinding disc 6, a grinding disc protection mechanism 7 and a shell protection cover 8, wherein the movable grinding disc 3 is arranged in the hot grinding machine shell 1, and the movable grinding disc 4 is arranged on the movable grinding disc 3; a cover plate 2 is arranged on one side of the hot mill casing 1, the cover plate 2 is matched with the hot mill casing 1, a fixed mill 5 is arranged in the cover plate 2, a fixed mill grinding sheet 6 is arranged on the fixed mill 5, and the fixed mill grinding sheet 6 is matched with a movable mill grinding sheet 4; the movable grinding disc 3 is provided with a grinding disc protection mechanism 7, and the fixed grinding disc 5 is provided with a grinding disc protection mechanism 7; a shell protection cover 8 is arranged on the outer side of the hot mill casing 1, and the cover plate 2 is coated by the shell protection cover 8.
The grinding sheet protection mechanism 7 in the embodiment comprises a foreign matter pressure sensor 71, a fixed electromagnet 72 and a grinding cutter 73, wherein the pressure sensor 71 is arranged in the movable grinding disc 3, the pressure sensor 71 is arranged on the inner side of the grinding sheet 4 of the movable grinding disc, a plurality of pressure sensors 71 are arranged, and the pressure sensors 71 are arranged in a ring shape; the pressure sensor 71 is connected with a fixed electromagnet 72, the fixed electromagnet 72 is arranged in the movable grinding disc 3, a grinding cutter 73 is arranged on one side of the fixed electromagnet 72, the grinding cutter 73 is in sliding contact with the movable grinding disc 3, and the grinding cutter 73 is matched with the fixed electromagnet 72.
The grinding sheet protection mechanism 7 in this embodiment further includes a grinding sheet pressure sensor 74, an adsorption electromagnet 75, an emergency stop switch 76 and a warning light 77, the grinding sheet pressure sensor 74 is arranged in the movable grinding disc 3, the grinding sheet pressure sensor 74 is matched with the movable grinding disc 4, the grinding sheet pressure sensor 74 is connected with the adsorption electromagnet 75, the adsorption electromagnet 75 is arranged in the movable grinding disc 3, the adsorption electromagnet 75 is matched with the movable grinding disc 4, the adsorption electromagnet 75 is connected with the emergency stop switch 76, the adsorption electromagnet 75 is connected with the warning light 77, and the warning light 77 is arranged on the outer surface of the housing 1 of the hot grinding machine.
Example 3
A protective medium density fiberboard defibrator as shown in fig. 1 and 4, comprising: the hot grinding machine comprises a hot grinding machine shell 1, a cover plate 2, a movable grinding disc 3, a movable grinding disc 4, a fixed grinding disc 5, a fixed grinding disc 6, a grinding disc protection mechanism 7 and a shell protection cover 8, wherein the movable grinding disc 3 is arranged in the hot grinding machine shell 1, and the movable grinding disc 4 is arranged on the movable grinding disc 3; a cover plate 2 is arranged on one side of the hot mill casing 1, the cover plate 2 is matched with the hot mill casing 1, a fixed mill 5 is arranged in the cover plate 2, a fixed mill grinding sheet 6 is arranged on the fixed mill 5, and the fixed mill grinding sheet 6 is matched with a movable mill grinding sheet 4; the movable grinding disc 3 is provided with a grinding disc protection mechanism 7, and the fixed grinding disc 5 is provided with a grinding disc protection mechanism 7; a shell protection cover 8 is arranged on the outer side of the hot mill casing 1, and the cover plate 2 is coated by the shell protection cover 8.
The housing protective cover 8 in this embodiment includes a supporting column 81, a cushion layer 82, a hollow plate 83 and a guiding plate 84, wherein the cushion layer 82 is disposed outside the housing 1 of the thermo-mill; a plurality of support columns 81 are arranged on the cushion layer 82, the support columns 81 penetrate through the cushion layer 82, one end of each support column 81 is connected with the housing 1 of the hot mill, the other end of each support column 81 is connected with a hollow plate 83, the hollow plates 83 are arranged on the outer side of the cushion layer 82, and a plurality of cavities are formed in the hollow plates 83; the guide plate 84 is arranged outside the hollow plate 83, and the guide plate 84 is arranged in a surrounding manner.
Example 4
A protective medium density fiberboard defibrator as shown in fig. 1 and 5, comprising: the hot grinding machine comprises a hot grinding machine shell 1, a cover plate 2, a movable grinding disc 3, a movable grinding disc 4, a fixed grinding disc 5, a fixed grinding disc 6, a grinding disc protection mechanism 7 and a shell protection cover 8, wherein the movable grinding disc 3 is arranged in the hot grinding machine shell 1, and the movable grinding disc 4 is arranged on the movable grinding disc 3; a cover plate 2 is arranged on one side of the hot mill casing 1, the cover plate 2 is matched with the hot mill casing 1, a fixed mill 5 is arranged in the cover plate 2, a fixed mill grinding sheet 6 is arranged on the fixed mill 5, and the fixed mill grinding sheet 6 is matched with a movable mill grinding sheet 4; the movable grinding disc 3 is provided with a grinding disc protection mechanism 7, and the fixed grinding disc 5 is provided with a grinding disc protection mechanism 7; a shell protection cover 8 is arranged on the outer side of the hot mill casing 1, and the cover plate 2 is coated by the shell protection cover 8.
The sealing mechanism 9 is arranged on the outer side of the housing 1 of the thermal grinding machine in the embodiment, the sealing mechanism 9 comprises a first sealing ring 91, a second sealing ring 92, a humidity-sensitive resistor 93, a partition plate 94, an electronic control switch 95 and an expanding agent 96, the first sealing ring 91 is arranged on the housing 1 of the thermal grinding machine, the first sealing ring 91 is matched with the cover plate 2, the second sealing ring 92 is arranged on the outer side of the first sealing ring 91, the second sealing ring 92 is arranged on the housing 1 of the thermal grinding machine, and the second sealing ring 92 is matched with the cover plate 2; a humidity sensitive resistor 93 is arranged outside the first sealing ring 91; a cavity is arranged in the first sealing ring 91, a partition 94 is arranged in the cavity, an electric control switch 95 is arranged on the partition 94, and the electric control switch 95 is connected with a humidity-sensitive resistor 93; the partition 94 is provided with an expanding agent 96 on both sides.
The second sealing ring 92 in this embodiment includes a first ring body 921 and a second ring body 922, the first ring body 921 is disposed on the housing 1 of the thermal grinding machine, the second ring body 922 is disposed on the first ring body 921, the cross section of the first ring body 921 is in a shape of "convex", the cross section of the second ring body 922 is in a shape of "concave", and the second ring body 922 is matched with the first ring body 921.
Example 5
A protective medium density fiberboard defibrator as shown in fig. 1 and 6, comprising: the hot grinding machine comprises a hot grinding machine shell 1, a cover plate 2, a movable grinding disc 3, a movable grinding disc 4, a fixed grinding disc 5, a fixed grinding disc 6, a grinding disc protection mechanism 7 and a shell protection cover 8, wherein the movable grinding disc 3 is arranged in the hot grinding machine shell 1, and the movable grinding disc 4 is arranged on the movable grinding disc 3; a cover plate 2 is arranged on one side of the hot mill casing 1, the cover plate 2 is matched with the hot mill casing 1, a fixed mill 5 is arranged in the cover plate 2, a fixed mill grinding sheet 6 is arranged on the fixed mill 5, and the fixed mill grinding sheet 6 is matched with a movable mill grinding sheet 4; the movable grinding disc 3 is provided with a grinding disc protection mechanism 7, and the fixed grinding disc 5 is provided with a grinding disc protection mechanism 7; a shell protection cover 8 is arranged on the outer side of the hot mill casing 1, and the cover plate 2 is coated by the shell protection cover 8.
The movable grinding disc grinding plate 4 in the embodiment comprises a fixed base 41, a grinding part 42, a cutting part 43 and a forming part 44, wherein the fixed base 41 is in a fan shape, the grinding part 42 is arranged on the inner side of the fixed base 41, the grinding part 42 adopts a discontinuous strip-shaped groove, the cutting part 43 is arranged on the outer side of the grinding part 42, the cutting part 43 is arranged on the fixed base 41, the cutting part 43 adopts a transverse groove, the transverse groove is perpendicular to the discontinuous strip-shaped groove, the forming groove 44 is arranged on the outer side of the cutting part 43, the forming groove 44 is arranged on the fixed base 41, and the forming groove 44 adopts a discontinuous oblique groove.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. A protection type medium density fiberboard defibrator is characterized in that: the method comprises the following steps: the hot grinding machine comprises a hot grinding machine shell (1), a cover plate (2), a movable grinding disc (3), a movable grinding disc (4), a fixed grinding disc (5), a fixed grinding disc (6), a grinding disc protection mechanism (7) and a shell protection cover (8), wherein the movable grinding disc (3) is arranged in the hot grinding machine shell (1), and the movable grinding disc (4) is arranged on the movable grinding disc (3); a cover plate (2) is arranged on one side of the hot mill casing (1), the cover plate (2) is matched with the hot mill casing (1), a fixed mill disc (5) is arranged in the cover plate (2), a fixed mill disc grinding disc (6) is arranged on the fixed mill disc (5), and the fixed mill disc grinding disc (6) is matched with a movable mill disc grinding disc (4); a grinding disc protection mechanism (7) is arranged on the movable grinding disc (3), and a grinding disc protection mechanism (7) is arranged on the fixed grinding disc (5); a shell protective cover (8) is arranged on the outer side of the hot mill casing (1), and the shell protective cover (8) covers the cover plate (2).
2. A protective medium density fiberboard defibrator according to claim 1, characterized in that: the grinding disc protection mechanism (7) comprises a foreign matter pressure sensor (71), a fixed electromagnet (72) and a grinding cutter (73), wherein the pressure sensor (71) is arranged in the movable grinding disc (3), the pressure sensor (71) is arranged on the inner side of the grinding disc (4) of the movable grinding disc, a plurality of pressure sensors (71) are arranged, and the pressure sensors (71) are annularly arranged; the pressure sensor (71) is connected and provided with a fixed electromagnet (72), the fixed electromagnet (72) is arranged in the movable grinding disc (3), a grinding breaking knife (73) is arranged on one side of the fixed electromagnet (72), the grinding breaking knife (73) is in sliding contact with the movable grinding disc (3), and the grinding breaking knife (73) is matched with the fixed electromagnet (72).
3. A protective medium density fiberboard defibrator according to claim 1, characterized in that: grinding disc protection machanism (7) still include grinding disc pressure sensor (74), adsorption electromagnet (75), scram switch (76) and warning light (77), grinding disc pressure sensor (74) set up in moving mill (3), grinding disc pressure sensor (74) with move the cooperation of mill grinding disc (4), grinding disc pressure sensor (74) are connected and are provided with adsorption electromagnet (75), adsorption electromagnet (75) set up in moving mill (3), adsorption electromagnet (75) with move the cooperation of mill grinding disc (4), adsorption electromagnet (75) are connected and are provided with scram switch (76), adsorption electromagnet (75) are connected and are provided with warning light (77), warning light (77) set up in hot mill casing (1) surface.
4. A protective medium density fiberboard defibrator according to claim 1, characterized in that: the housing protective cover (8) comprises supporting columns (81), a buffer cushion layer (82), a hollow plate (83) and a guide plate (84), wherein the buffer cushion layer (82) is arranged on the outer side of the hot mill housing (1); the hot grinding machine is characterized in that a plurality of supporting columns (81) are arranged on the buffer cushion layer (82), the supporting columns (81) penetrate through the buffer cushion layer (82), one end of each supporting column (81) is connected with the hot grinding machine shell (1), the other end of each supporting column (81) is connected with a hollow plate (83), each hollow plate (83) is arranged on the outer side of the buffer cushion layer (82), and a plurality of cavities are formed in each hollow plate (83); the outer side of the hollow plate (83) is provided with a guide plate (84), and the guide plate (84) is arranged in a surrounding mode.
5. A protective medium density fiberboard defibrator according to claim 1, characterized in that: the sealing mechanism (9) is arranged on the outer side of the hot grinding machine shell (1), the sealing mechanism (9) comprises a first sealing ring (91), a second sealing ring (92), a humidity-sensitive resistor (93), a partition plate (94), an electric control switch (95) and an expanding agent (96), the first sealing ring (91) is arranged on the hot grinding machine shell (1), the first sealing ring (91) is matched with the cover plate (2), the second sealing ring (92) is arranged on the outer side of the first sealing ring (91), the second sealing ring (92) is arranged on the hot grinding machine shell (1), and the second sealing ring (92) is matched with the cover plate (2); a humidity sensitive resistor (93) is arranged on the outer side of the first sealing ring (91); a cavity is arranged in the first sealing ring (91), a partition plate (94) is arranged in the cavity, an electric control switch (95) is arranged on the partition plate (94), and the electric control switch (95) is connected with a humidity-sensitive resistor (93); and expansion agents (96) are arranged on two sides of the partition plate (94).
6. The protective medium density fiberboard defibrator of claim 5, wherein: second sealing ring (92) include first ring body (921) and second ring body (922), first ring body (921) sets up on hot mill casing (1), be provided with second ring body (922) on first ring body (921), first ring body (921) cross-section is "protruding" font, second ring body (922) cross-section is "concave" font, second ring body (922) and first ring body (921) cooperation.
7. A protective medium density fiberboard defibrator according to claim 1, characterized in that: move mill abrasive disc (4) including fixed basal portion (41), grinding portion (42), truncation portion (43) and shaping portion (44), fixed basal portion (41) are fan-shaped, fixed basal portion (41) inboard is provided with grinding portion (42), grinding portion (42) adopt discontinuous bar groove, the grinding portion (42) outside is provided with truncation portion (43), truncation portion (43) sets up on fixed basal portion (41), truncation portion (43) adopt the transverse groove, the transverse groove with discontinuous bar groove is arranged perpendicularly, truncation portion (43) outside is provided with shaping groove (44), shaping groove (44) set up on fixed basal portion (41), shaping groove (44) adopt discontinuous oblique groove.
8. A method of operating a protective medium density fiberboard defibrator according to claim 2, comprising foreign matter treatment, characterized in that: the method specifically comprises the following steps:
the method comprises the following steps: when an overlarge fiber cluster or foreign matters enter the equipment, the foreign matter pressure sensor (71) responds under pressure, the fixed electromagnet (72) is electrified, the grinding knife (73) extends out, and the foreign matters are ground.
9. A method of operating a protective medium density fiberboard defibrator according to claim 3, comprising a blade damage treatment characterized by: the method specifically comprises the following steps:
the method comprises the following steps: when the abrasive disc is not damaged, the adsorption electromagnet (75) is electrified to adsorb the abrasive disc; when the abrasive disc is damaged, the pressure change of the abrasive disc pressure sensor (74) responds, the magnetic force of the adsorption electromagnet (75) is enhanced by the change of current, abrasive disc fragments are adsorbed, the emergency stop switch (76) is turned on, and the warning light (77) is turned on.
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| CN202011265617.8A CN112372782B (en) | 2020-11-13 | 2020-11-13 | Protective medium-density fiberboard defibrator and working method thereof |
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| CN112372782B CN112372782B (en) | 2022-03-18 |
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| CN112372782B (en) | 2022-03-18 |
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