CN111054502A

CN111054502A - Parabolic grinding device

Info

Publication number: CN111054502A
Application number: CN201911378108.3A
Authority: CN
Inventors: 冯平仓; 彭静
Original assignee: Sichuan Ruichi Tuowi Machinery Manufacturing Co ltd
Current assignee: Sichuan Ruichi Tuowei Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-04-24
Anticipated expiration: 2039-12-27
Also published as: CN111054502B

Abstract

The invention relates to the technical field of grinding devices, and discloses a parabolic grinding device which comprises a grinding chamber, a motor and a rotating shaft, wherein the grinding chamber is provided with a grinding cavity, the grinding cavity is provided with a parabolic wall surface in a parabolic shape, granular grinding media are filled in the grinding cavity, the motor is arranged at the top of the grinding chamber, an output shaft of the motor is connected with the rotating shaft, the rotating shaft extends into the grinding cavity, blades are uniformly distributed at the lower end of the rotating shaft in the circumferential direction of the rotating shaft, and the blade surfaces of the blades are curved surfaces which are warped upwards by preset angles. According to the invention, the receiving disc and the blades with the upward warping preset angles are arranged at the bottom of the grinding chamber, materials are scattered on the receiving disc, the receiving disc is driven to rotate by the rotating shaft, the materials are upwards thrown out by the blades, and the materials are thrown out and then are returned to the receiving disc along the outer wall of the grinding cavity through the peach-shaped grinding cavity, so that the materials are circularly ground in the grinding cavity, and the grinding is more sufficient.

Description

Parabolic grinding device

Technical Field

The invention belongs to the technical field of grinding devices, and particularly relates to a parabolic grinding device.

Background

The traditional grinding equipment generally stirs through rotatory impeller, utilizes the mutual friction between the material to realize grinding breakage, and this kind of grinding mode is not even enough to the milling of material, and traditional equipment is full of the material case with the material simultaneously, and the motor torsion that needs is also bigger, and power consumption is high, and when the handling capacity was too big moreover, caused motor load big easily, and led to the pivot card to die the damage.

Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.

Disclosure of Invention

A first object of the present invention is to provide a parabolic grinding device which solves the deficiencies of the prior art.

The embodiment of the invention is realized by the following steps:

parabolic mill device, including grinding room, motor and pivot, the grinding room has the grinding chamber, the grinding chamber has the parabolic wall that is parabola shape, and the intracavity that mills is filled has granular abrasive medium, the motor set up in the top of grinding room, the output shaft of motor the pivot, the pivot extends to the intracavity of milling, the lower extreme of pivot centers on pivot circumference equipartition has the blade, the blade surface of blade is the curved surface of the predetermined angle of upwards warping.

Furthermore, the upper surface edge of the blade is integrally formed with a material blocking strip from the lower end to the upper end of the blade, and the front edge of the lower end of the material blocking strip is in a conical shape.

Further, an annular bead ring is integrally formed at an outer edge of the blade.

Further, the reinforcing rib ring is arranged in the middle of the outer side edge of the blade.

Further, a cooling system is arranged on the outer wall of the grinding chamber.

Further, the cooling system comprises a cooling jacket, a power supply, a cold water tank, a first U-shaped pipe and a second U-shaped pipe which are in U shapes, the first U-shaped pipe and the second U-shaped pipe, electrolyte solution is hermetically contained in the first U-shaped pipe and the second U-shaped pipe, the cold water tank is connected with the cooling jacket through a water supply pipe, the water supply pipe is provided with an electromagnetic valve, the cooling jacket is connected with a cold water tank through a water return pipe, the water return pipe is provided with a water pump, the cooling jacket is covered on the outer wall of the grinding chamber, the first U-shaped pipe and the second U-shaped pipe are arranged on the cooling jacket, one end of the first U-shaped tube and one end of the second U-shaped tube are both connected with a power supply through leads higher than the liquid level of the electrolyte, the other end of the first U-shaped pipe is connected with the electromagnetic valve through a lead higher than the electrolyte liquid level, and the other end of the second U-shaped pipe is connected with the water pump through a lead higher than the electrolyte liquid level.

Further, the lowest ends of the wires arranged in the first U-shaped tube and the second U-shaped tube have the same height from the electrolyte liquid level.

The invention has the beneficial effects that:

the material receiving disc and the blades with the preset upward warping angles are arranged at the bottom of the grinding chamber, materials are scattered on the material receiving disc, the rotating shaft drives the material receiving disc to rotate, the materials are thrown upwards through the blades, and the materials are thrown back to the material receiving disc along the outer wall of the grinding cavity through the peach-shaped grinding cavity after being thrown, so that the materials are circularly ground in the grinding cavity, and the grinding is more sufficient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a parabolic grinding device provided by the present invention;

FIG. 2 is a schematic view of a blade with the stiffener ring removed;

FIG. 3 is a top state view of the blade;

FIG. 4 is a schematic structural diagram of a cooling system of the parabolic grinding device provided by the invention;

fig. 5 is an enlarged view at a in fig. 4.

Icon: 1-grinding chamber, 2-motor, 3-rotating shaft, 4-grinding chamber, 5-coupler, 6-hub, 7-blade, 8-material blocking strip, 9-reinforcing rib ring, 10-cooling jacket, 11-power supply, 12-cold water tank, 13-first U-shaped pipe, 14-second U-shaped pipe, 15-water supply pipe, 16-electromagnetic valve, 17-water return pipe, 18-water pump and 19-wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1 to 3, the present embodiment provides a parabolic grinding apparatus, including a grinding chamber 1, a motor 2 and a rotating shaft 3, where the grinding chamber 1 has a grinding cavity 4, the grinding cavity 4 has a parabolic wall surface, the grinding cavity 4 is filled with a granular grinding medium, the grinding chamber 1 is provided with a feed inlet and a discharge outlet (not shown in the figure), the discharge outlet is provided with a filter screen, the feed inlet is higher than the discharge outlet, the grinding cavity 4 is made of wear-resistant materials such as wear-resistant alloy, the motor 2 is installed at the top of the grinding chamber 1, an output shaft of the motor 2 is connected to the rotating shaft 3 through a coupling 5, the rotating shaft 3 extends to the bottom of the grinding cavity 4, the bottom end of the rotating shaft 3 is sleeved with a hub 6 in an interference manner, at least six blades 7 are circumferentially and uniformly distributed on an outer wall of the hub 6 with the hub 6 as a center, and a blade surface of the blades 7 is a curved surface warped, the predetermined angle is 20-30 degrees with the horizontal plane.

When the invention is used: adding materials from a feed inlet higher than the upper part of the blade 7, adding the materials to 1/2-2/3 of the grinding cavity, starting a motor for stirring, shoveling the materials and the grinding medium by the blade 7 and upwards flying out from the upper edge of the blade, enabling the materials and the grinding medium to fall into the bottom of the grinding cavity 6 from the top of the grinding cavity 4 along the parabolic grinding cavity wall due to centrifugal force after flying out, enabling the materials to be thrown out by the blade 7 again and fall into the bottom of the grinding cavity 6 again for repeated grinding, and finally sending the materials after grinding out from a discharge outlet.

Therefore, the grinding circulating flow can be formed in the grinding cavity, the materials can be repeatedly ground, the materials can be fully and uniformly ground, the materials are continuously thrown out, so that the materials are not gathered around the rotating shaft in a large amount, the working load of the motor is reduced, and the rotating shaft is prevented from being blocked.

And, the upper surface border of blade 7 has the material blocking strip 8 from the lower extreme to the upper end integrated into one piece of blade 6, the lower extreme leading edge of material blocking strip 8 is the toper form, and the benefit of this design lies in: keep off material strip 8 and can prevent that pivot 3 from rotating the in-process, the material is thrown away from the side of blade 6, increases and keeps off material strip 8 and can guarantee that the material is thrown out by blade 6 bottom to blade 6 top, and the lower extreme leading edge that keeps off material strip 8 is the toper form and more is favorable to the material to get into blade 6 smoothly.

Meanwhile, the annular reinforcing rib ring 9 is integrally formed at the outer side edge of the blade 6, and the design has the advantages that the supporting strength of the blade 6 can be enhanced, and the service life of the blade is prolonged.

Example two

Referring to fig. 1 to 5, the present embodiment provides a parabolic grinding apparatus, which has all the technical features of the first embodiment, and the difference is that: and a cooling system is arranged on the outer wall of the grinding chamber 1. Cooling system includes cooling jacket 10, power 11, cold water tank 12, first U-shaped pipe 13 and second U-shaped pipe 14, cold water tank 12 passes through water supply pipe 15 sealing connection cooling jacket 10, be provided with solenoid valve 16 on the water supply pipe 15, cooling jacket 10 passes through wet return 17 and connects cold water tank 12, be provided with water pump 18 on the wet return 17, the cladding of cooling jacket 10 is at the outer wall of grinding room 1, and cooling jacket 10 adopts the material that has good heat conductivility to make, like copper sheathing, aluminium cover etc.. The upper end face of the cooling jacket 10 is symmetrically provided with two groups of four holes, each group of holes is internally provided with the first U-shaped tube 13 and the second U-shaped tube 14, inner cavities of the first U-shaped tube 13 and the second U-shaped tube 14 are capillary tubes, electrolyte solution is filled at the bottom of each capillary tube, upper end openings of the first U-shaped tube 13 and the second U-shaped tube 14 are sealed, a first end of the first U-shaped tube 13 and a first end of the second U-shaped tube 14 are both connected with the power supply 11 through a lead 19 higher than the electrolyte solution level, a second end of the first U-shaped tube 13 is electrically connected with the electromagnetic valve 16 through a lead 11 higher than the electrolyte solution level, and the other end of the second U-shaped tube 14 is electrically connected with the water pump 18 through a lead 11 higher than the electrolyte solution level. It is to be noted that, in the first end of the first U-shaped tube 13 and the second U-shaped tube 14, the lowest positions of the wires are the same height from the electrolyte liquid surface.

It can be known from the above that, after the temperature of the milling chamber 1 rises gradually, the electrolyte solution is heated and expanded, the electrolyte solution level rises gradually along the capillary, when the electrolyte solution level rises to be in contact with the first end of the first U-shaped tube 13 and the conducting wires at the ends of the second U-shaped tube 14, the power supply is connected to the power supply circuit of the electromagnetic valve 16 and the water pump 18, at this time, the electromagnetic valve 16 is opened, the water pump 18 works, so that the cold water in the cold water tank 12 flows into the cooling jacket 10 from a high position to cool the milling chamber 1, and meanwhile, the water pump 18 pumps the cold water after heat exchange to cool the cold water tank for recycling. Therefore, the cooling system abandons the conventional design method that the water cooling system adopts the temperature sensor to monitor the temperature, the processor analyzes and processes the sensing data and controls the water pump and the electromagnetic valve to work, avoids using the sensor, the processor and other equipment, can reduce the cost, reduce the equipment failure rate and reduce the daily maintenance.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Parabolic mill device, including grinding room (1), motor (2) and pivot (3), its characterized in that: grinding chamber (1) has grinding chamber (4), grinding chamber (4) have and are parabolic wall, the intussuseption of grinding chamber (4) is filled with granular abrasive medium, motor (2) set up in grinding chamber's (1) top, the output shaft of motor (2) pivot (3), pivot (3) extend to in grinding chamber (4), the lower extreme of pivot (3) centers on pivot (3) circumference equipartition has blade (7), the blade surface of blade (7) is the curved surface of the predetermined angle of warpage that makes progress.

2. The parabolic mill apparatus of claim 1, wherein: the upper surface border of blade (7) has fender material strip (8) from the lower extreme to the upper end integrated into one piece of blade (7), the lower extreme front edge of keeping off material strip (8) is the toper form.

3. The parabolic mill apparatus of claim 1, wherein: an annular reinforcing rib ring (9) is integrally formed on the outer edge of the blade (7).

4. The parabolic mill apparatus of claim 3, wherein: the reinforcing rib ring (9) is arranged in the middle of the outer side edge of the blade (7).

5. The parabolic mill apparatus of claim 1, wherein: and a cooling system is arranged on the outer wall of the grinding chamber (1).

6. The parabolic mill apparatus of claim 5, wherein: the cooling system comprises a cooling jacket (10), a power supply (11), a cold water tank (12), a first U-shaped pipe (13) and a second U-shaped pipe (14), electrolyte solution is hermetically contained in the first U-shaped pipe (13) and the second U-shaped pipe (14), the cold water tank (12) is connected with the cooling jacket (10) through a water supply pipe (15), an electromagnetic valve (16) is arranged on the water supply pipe (15), the cooling jacket (10) is connected with the cold water tank (12) through a water return pipe (17), a water pump (18) is arranged on the water return pipe (17), the cooling jacket (10) is wrapped on the outer wall of the grinding chamber (1), the first U-shaped pipe (13) and the second U-shaped pipe (14) are arranged on the cooling jacket (10), one end of the first U-shaped pipe (13) and one end of the second U-shaped pipe (14) are connected with the power supply (11) through wires (19) higher than the electrolyte solution level, the other end of the first U-shaped pipe (13) is connected with an electromagnetic valve (16) through a lead (19) higher than the electrolyte liquid level, and the other end of the second U-shaped pipe is connected with a water pump (18) through a lead (19) higher than the electrolyte liquid level.

7. The parabolic mill apparatus of claim 1, wherein: the lowest ends of the wires arranged in the first U-shaped tube (13) and the second U-shaped tube (14) have the same height from the electrolyte liquid level.