CN214393815U - Grinding wheel and abrasive disc system of dry grinding machine - Google Patents
Grinding wheel and abrasive disc system of dry grinding machine Download PDFInfo
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- CN214393815U CN214393815U CN202023057832.7U CN202023057832U CN214393815U CN 214393815 U CN214393815 U CN 214393815U CN 202023057832 U CN202023057832 U CN 202023057832U CN 214393815 U CN214393815 U CN 214393815U
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Abstract
The utility model discloses a grinding wheel and abrasive disc system of a dry grinding machine, wherein the grinding wheel and abrasive disc system (3) comprises a rotating shaft (3.1), a first hydraulic supporting cylinder (3.2), a second hydraulic supporting cylinder (3.3), a grinding wheel and abrasive disc (3.4) and a spring (3.6), one end of the first hydraulic supporting cylinder (3.2) and one end of the second hydraulic supporting cylinder (3.3) are respectively hinged with a grinding wheel base body (2) through the rotating shaft (3.1); the other ends of the first hydraulic supporting cylinder (3.2) and the second hydraulic supporting cylinder (3.3) are respectively hinged with the end part and the middle part of the grinding wheel grinding sheet (3.4) through a rotating shaft to form a parallel connecting rod structure; in this embodiment, cooling air and dust removal access to the effect to cooling air is the suction effect, avoids producing aerosol effect and poisonous or radioactive substance harm diffusion through aerosol filter equipment.
Description
Technical Field
The utility model relates to a grinding machine technical field specifically is a dry grinding machine's emery wheel abrasive disc system.
Background
The grinding machine is mainly used for processing materials with higher hardness or brittle materials, such as hard alloy, glass and the like; while grinding machines are generally used for grinding with high precision and with little surface roughness. During grinding, a grinding fluid is usually used for lubrication and cooling of the grinding machine. In some special scenes, such as grinding of special toxic and harmful substances and the like, a dry grinding machine is adopted, the dry grinding machine is cooled by adopting a gas external cooling mode at present, cooling air acts near a contact point of a grinding wheel and a workpiece, the grinding wheel is swept by high-pressure air, the cooling and lubricating effects are achieved, and meanwhile, the abrasive particles can fall off. On one hand, the grinding heat is generated in the grinding process, and the grinding heat is accumulated to cause ablation on the grinding wheel and the workpiece without the grinding fluid, so that the grinding quality of the workpiece and the service life of the grinding wheel are influenced; on the other hand, the effect that the grinding wheel abrasive particles fall off is not ideal, the grinding wheel abrasive particles fall off too early or too late due to the problem of the cooling effect, the grinding wheel is worn too fast too early, the abrasive particles fall off too late, the abrasive particles are worn more and more dully, the grinding capacity is reduced, the abrasive particles are smooth, the grinding efficiency is influenced, the repeated slipping is caused, the grinding heat aggregation effect is increased, and the further ablation of the grinding wheel and the workpiece is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dry grinding machine's emery wheel abrasive disc system to dry grinding machine when adding man-hour, the not ideal scheduling problem of effect is deviate from to the not good, the grit of grinding heat cooling effect of existence.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a dry grinding machine's emery wheel abrasive disc system, emery wheel abrasive disc system includes pivot, first hydraulic pressure support cylinder, second hydraulic pressure support cylinder, emery wheel abrasive disc, spring, its characterized in that: one end of the first hydraulic supporting cylinder and one end of the second hydraulic supporting cylinder are hinged with the grinding wheel base body through rotating shafts respectively; the other ends of the first hydraulic supporting cylinder and the second hydraulic supporting cylinder are respectively hinged with the end part and the middle part of the grinding wheel abrasive disc through a rotating shaft to form a parallel connecting rod structure; the grinding wheel abrasive disc can be along pivot free rotation along first hydraulic pressure support cylinder and second hydraulic pressure support cylinder, utilizes the pivot that the spring is connected first hydraulic pressure support cylinder and grinding wheel abrasive disc to be connected with the grinding wheel abrasive disc simultaneously.
Further, the grinding wheel device also comprises an airflow guide plate, wherein the airflow guide plate is arranged between the grinding wheel grinding piece and the grinding wheel base body and is flexibly connected with an air channel outlet of the grinding wheel base body.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, the self-adaptive dust-removing cooling grinding wheel device can completely recover abrasive dust without clearance, and can greatly improve the grinding and dust-removing effects;
secondly, the size of the recovery gap can be adjusted in a self-adaptive manner according to the quantity of the abrasive dust, and the reliable dust removal effect is ensured;
thirdly, cooling air acts on the interior of the grinding wheel and the grinding sheet to realize the integral cooling effect on the grinding wheel and the grinding sheet and avoid the ablation of the surface of the grinding wheel; and fourthly, the cooling air and the dust removal function are communicated, the cooling air is in a suction function, and the aerosol effect and the harm diffusion of toxic or radioactive substances are avoided through the aerosol filtering device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the grinding wheel and grinding system of the present invention;
FIG. 3 is a partial enlarged view of the grinding wheel and grinding system of the present invention;
FIG. 4 is a cross-sectional view of the grinding wheel base unit of the present invention;
FIG. 5 is a schematic diagram of a grinding wheel air duct control system of the present invention;
wherein: 1-a support; 2-grinding wheel matrix device; 3-grinding wheel and grinding system; 4-a grinding wheel air duct system; 5-a grinding wheel air duct control system; 1.1-bearing seat; 1.2-bearings; 2.1-grinding wheel base body axle; 2.2-grinding wheel base body; 3.1-rotating shaft; 3.2-a first hydraulic support cylinder; 3.3-a second hydraulic support cylinder; 3.4-grinding by a grinding wheel; 3.5-airflow guide plate; 3.6-spring; 4.1-a fan; 4.2-aerosol filtration system; 4.3-flexible telescopic air duct; 4.4-grinding wheel main ventilation duct; 4.5-wind channel; 5.1-a ventilation door; 5.2-differential pressure sensor; 5.3-electric regulating valve; 5.4-hydraulic lines; 5.5-signal amplifier; 5.6-temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
As shown in fig. 1, the embodiment provides an adaptive dust removal and grinding wheel cooling device for a dry grinding machine, which comprises a support 1, a grinding wheel base device 2, a grinding wheel and abrasive disc system 3, a grinding wheel air duct system 4 and a grinding wheel air duct control system 5.
The support 1 comprises bearing frame 1.1 and bearing 1.2, and bearing frame 1.2 is fixed in on the grinding machine removes the frame, thereby removes along with removing the frame and realizes grinding wheel unit's whole feed grinding, and bearing 1.2 is settled in bearing frame 1.1 to realize the rotation of emery wheel base member device 2 and the sound separation that removes the frame.
The grinding wheel base body device 2 comprises a grinding wheel base body wheel shaft 2.1 and a grinding wheel base body 2.2 and is fixed on the support 1, the grinding wheel base body is installed on the support 1 through the grinding wheel base body wheel shaft 2.1, and the grinding wheel base body 2.2 and the grinding wheel base body wheel shaft 2.1 are integrally formed and manufactured.
The embodiment also provides a grinding wheel and abrasive disc system of the dry grinding machine, the grinding wheel and abrasive disc system 3 comprises a rotating shaft 3.1, a first hydraulic supporting cylinder 3.2, a second hydraulic supporting cylinder 3.3, a grinding wheel and abrasive disc 3.4, an airflow guide plate 3.5 and a spring 3.6, one end of each of the first hydraulic supporting cylinder 3.2 and the second hydraulic supporting cylinder 3.3 is hinged with the grinding wheel base body 2 through the rotating shaft 3.1, the other end of each of the first hydraulic supporting cylinder and the second hydraulic supporting cylinder is hinged with the end part and the middle part of the grinding wheel and abrasive disc 3.4 through the rotating shaft to form a parallel connecting rod structure, the grinding wheel and abrasive disc 3.4 can freely rotate along with the rotating shaft 3.1 along with the first hydraulic supporting cylinder 3.2 and the second hydraulic supporting cylinder 3.3, meanwhile, a rotating shaft 3.1, which is connected with the first hydraulic supporting cylinder 3.2 and the grinding wheel abrasive disc 3.4, is connected with the grinding wheel abrasive disc 3.4 through a spring 3.6, so that the grinding wheel abrasive disc 3.4 is tightly attached to the grinding wheel base body 2.2 in a static state, wherein the grinding wheel abrasive disc 3.4 is a resin abrasive disc, and the falling speed of abrasive particles is greatly influenced by temperature. The airflow guide plate 3.5 is arranged between the grinding wheel abrasive disc 3.4 and the grinding wheel matrix 2.2, is flexibly connected with an air channel outlet of the grinding wheel matrix 2.2, and can move radially along with the change of the rotating speed of the grinding wheel matrix 2.2, so that the opening degree of the air channel outlet is adjusted in a self-adaptive manner, and the purpose of temperature control is achieved.
The grinding wheel air duct system 4 is composed of a fan 4.1, an aerosol filtering system 4.2, a flexible telescopic air duct 4.3, a grinding wheel main ventilation air duct 4.4 and an air channel 4.5, wherein the fan 4.1 is connected with the aerosol filtering system 4.2, the fan is connected with the main ventilation air duct 4.4 of the grinding wheel through the flexible telescopic air duct 4.3, the main ventilation air duct 4.4 is arranged inside a grinding wheel base body wheel shaft 2.1, the main ventilation air duct 4.4 is connected with the air channel 4.5, and the air channel 4.5 is arranged inside the grinding wheel and radially distributed along the radial direction.
The grinding wheel air duct control system 5 comprises a vent door 5.1, a differential pressure sensor 5.2, an electric regulating valve 5.3, a hydraulic pipeline 5.4, a signal amplifier 5.5, a temperature sensor 5.6 and the like, wherein the vent door 5.1 is arranged at the inlet of an air duct 4.5 and is connected with a main vent air duct 4.4, the differential pressure sensor 5.2 is connected with a first hydraulic supporting cylinder 3.2 and a second hydraulic supporting cylinder 3.3 through a hydraulic pipeline 5.4, the signal amplifier 5.5 amplifies and converts differential pressure signals of the first hydraulic supporting cylinder 3.2 and the second hydraulic supporting cylinder 3.3 into electric signals, the electric regulating valve 5.3 is driven according to the differential pressure of the first hydraulic supporting cylinder 3.2 and the second hydraulic supporting cylinder 3.3, the electric regulating valve 5.3 is connected with the vent door 5.1, and the opening degree of the vent door 5.1 is regulated under the driving of the electric regulating valve 5.3.
When the grinding machine is used for grinding operation, the grinding wheel base body 2.2 is supported on the support 1 through the grinding wheel base body wheel shaft 2.1 and is driven by the motor to rotate at a high speed, the grinding wheel and abrasive disc system 3 arranged on the grinding wheel base body 2.2 rotates outwards relative to the grinding wheel base body 2.2 through the first hydraulic supporting cylinder 3.2 and the second hydraulic supporting cylinder 3.3 which are connected through the centrifugal force around the rotating shaft 3.1, when the centrifugal force is balanced with the tensile force of the spring 3.6, the grinding wheel and abrasive disc 3.4 reaches a balanced position, the grinding wheel and abrasive disc 3.4 is contacted with a workpiece to be machined, and therefore the grinding machining effect on the workpiece is achieved;
meanwhile, under the action of centrifugal force, the airflow guide plate 3.5 flexibly connected with the outlet of the air channel 4.5 also moves along the outlet of the air channel 4.5 in the radial direction, the moving distance is in direct proportion to the magnitude of the centrifugal force, namely the rotating speed of the grinding wheel device, and the opening degree of the outlet of the air channel 4.5 is larger as the radial moving distance of the airflow guide plate 3.5 is larger. A certain gap is formed between the grinding wheel abrasive disc 3.4 and the grinding wheel base body 2.2, the gap is communicated with the grinding wheel air duct system 4 through an outlet of an air channel 4.5, under the action of suction of a fan 4.1, the grinding dust which flies out tangentially and is generated by grinding is just sucked, the gap between the grinding wheel abrasive disc 3.4 and the grinding wheel base body 2.2 is in direct proportion to the rotating speed of the grinding wheel, the size of the outlet of the air channel 4.5 and the quantity of the grinding dust which are regulated by an air flow guide plate 3.5 are also in direct proportion to the rotating speed of the grinding wheel, the flying angle is also in positive relation to the rotating speed of the grinding wheel, and the recovery of the grinding dust can be realized in a self-adaptive manner; and the air generates convection to act on the inside of the grinding wheel grinding piece 3.4, so that a good cooling effect is achieved on the grinding wheel, ablation of the grinding wheel grinding piece 3.4 is avoided, the cooling air is sucked into the aerosol filtering device 4.2, aerosol pollution caused by the cooling air is avoided, grinding heat and the rotation speed of the grinding wheel are in a proportional relation, along with the increase of the rotation speed, the radial outward moving distance of the airflow guide plate 3.5 is gradually increased, the outlet of the air channel 4.5 is also gradually increased, the wind resistance is reduced, and the cooling effect of the grinding wheel grinding piece 3.4 can be controlled in a self-adaptive mode. When the grinding wheel device moves along with the moving frame to realize integral feed grinding of the grinding wheel device, the two sides of the grinding wheel abrasive disc 3.4 along the circumferential direction are generally contacted with a workpiece to be machined, and the feeding amount determines the grinding intensity between the grinding wheel abrasive disc 3.4 and the workpiece to be machined.
The utility model discloses in, realize self-adaptation dust removal and cooling through hydraulic pressure support cylinder 3.2, 3.3 and differential pressure sensor 5.2, electrical control valve 5.3, ventilation door 5.1, can be according to the regulation emery wheel temperature of the big or small self-adaptation of feed volume. The method used is as follows: when the grinding wheel base body is fed, the grinding wheel abrasive disc 3.4 is generally contacted with a workpiece to be processed along one side of the circumferential direction for grinding, the radial force applied to the grinding point is gradually increased, and the grinding is more severe.
Because the grinding wheel abrasive disc 3.4 bears radial force on one side, the pressure in the first hydraulic supporting cylinder 3.2 or the second hydraulic supporting cylinder 3.3 is increased along with the radial force, the pressure in the second hydraulic supporting cylinder 3.3 or the first hydraulic supporting cylinder 3.2 is not obviously increased, and the pressure in the second hydraulic supporting cylinder 3.3 or the first hydraulic supporting cylinder is unequal. The radial force difference that circumference both sides received when above-mentioned feed emery wheel abrasive disc 3.4 through second hydraulic pressure support cylinder 3.3 or first hydraulic pressure support cylinder converts the pressure differential into, pressure differential transducer 5.2 that links to each other with second hydraulic pressure support cylinder 3.3 or first hydraulic pressure support cylinder through hydraulic pressure pipeline 5.4 converts the pressure differential of first hydraulic pressure support cylinder 3.2 and second hydraulic pressure support cylinder 3.3 into the signal, drive electrical control valve 5.3 according to the pressure differential of first hydraulic pressure support cylinder 3.2 and second hydraulic pressure support cylinder 3.3, electrical control valve 5.3 is connected with ventilation door 5.1, ventilation door 5.1 is under electrical control valve 5.3's drive, adjust the air door aperture.
When the feeding amount of the grinding wheel device is large, the difference between radial forces borne by the grinding wheel abrasive disc 3.4 along the two sides in the circumferential direction is larger, so that the pressure difference in the second hydraulic supporting cylinder 3.3 or the first hydraulic supporting cylinder is larger, the pressure difference sensor 5.2 and the signal amplifier 5.5 send signals to adjust the electric adjusting valve, the opening degree of the vent valve 5.1 is increased, grinding heat aggregation caused by large feeding amount is reduced, and ablation of a grinding wheel and a workpiece is avoided.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (2)
1. The utility model provides a dry grinding machine's emery wheel abrasive disc system, emery wheel abrasive disc system (3) are including pivot (3.1), first hydraulic pressure support cylinder (3.2), second hydraulic pressure support cylinder (3.3), emery wheel abrasive disc (3.4), spring (3.6), its characterized in that: one end of the first hydraulic supporting cylinder (3.2) and one end of the second hydraulic supporting cylinder (3.3) are hinged with the grinding wheel base body (2) through a rotating shaft (3.1) respectively; the other ends of the first hydraulic supporting cylinder (3.2) and the second hydraulic supporting cylinder (3.3) are respectively hinged with the end part and the middle part of the grinding wheel grinding sheet (3.4) through a rotating shaft to form a parallel connecting rod structure; the grinding wheel abrasive disc (3.4) can freely rotate along the rotating shaft (3.1) along with the first hydraulic supporting cylinder (3.2) and the second hydraulic supporting cylinder (3.3), and meanwhile, the rotating shaft (3.1) which is used for connecting the first hydraulic supporting cylinder (3.2) with the grinding wheel abrasive disc (3.4) is connected with the grinding wheel abrasive disc (3.4) through the spring (3.6).
2. The grinding wheel and blade system of the dry grinding machine as set forth in claim 1, wherein: the grinding wheel is characterized by further comprising an airflow guide plate (3.5), wherein the airflow guide plate (3.5) is arranged between the grinding wheel grinding piece (3.4) and the grinding wheel base body (2.2) and is flexibly connected with an air channel outlet of the grinding wheel base body (2.2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023057832.7U CN214393815U (en) | 2020-12-17 | 2020-12-17 | Grinding wheel and abrasive disc system of dry grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023057832.7U CN214393815U (en) | 2020-12-17 | 2020-12-17 | Grinding wheel and abrasive disc system of dry grinding machine |
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| CN214393815U true CN214393815U (en) | 2021-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127430A1 (en) * | 2020-12-17 | 2022-06-23 | 湖南大学 | Dust-removing and cooling method for self-adaptive dust-removing and cooling grinding wheel device of dry-type grinder |
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- 2020-12-17 CN CN202023057832.7U patent/CN214393815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127430A1 (en) * | 2020-12-17 | 2022-06-23 | 湖南大学 | Dust-removing and cooling method for self-adaptive dust-removing and cooling grinding wheel device of dry-type grinder |
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