Turbine-type grinding machine

Abstract

Disclosed is a turbine-type grinding machine, relating to the technical field of grinding devices. The grinding machine comprises a grinding cylinder (2), a driving mechanism (3), a main shaft (4), turbines (5), a rotating base (6), a filtering cylinder (7), a feeding pipe (8) and a discharging pipe (9); the feeding pipe and the discharging pipe are fixedly arranged at two ends of the grinding cylinder, respectively; the discharging pipe is communicated with the interior of the filtering cylinder; the rotating base covers the filtering cylinder; one end of the main shaft is fixedly connected to the rotating base; the driving mechanism drives the main shaft to rotate; the turbines are fixedly arranged on the main shaft; through slots (51) are formed on the end faces of each turbine in a penetrating manner, and centrifugal slots (52) are formed in the surface of the turbine; and a plurality of grinding balls are placed in the grinding cylinder. The turbine-type grinding machine improves the motion activity of the grinding balls, prolongs slurry grinding time, and improves the grinding efficiency.

Description

A turbine grinder Technical Field

[0001] The present invention relates to the technical field of grinding equipment, in particular to a turbine grinder. Background Art

[0002] Fine grinding of macromolecular particles in slurry is one of the key research directions in the field of grinding. Existing pin-type grinding machines generally fix pins on the main shaft. When the main shaft rotates, the pins drive the grinding balls (also called zirconium balls) to collide with each other, thereby grinding the macromolecular particles in the slurry. However, the defects of the pin-type grinding machine are that when the main shaft rotates, each pin needs to be stirred between the grinding balls, resulting in a large resistance between multiple groups of pins and the grinding balls, and the rotation speed of the main shaft cannot be increased. Although the grinding force between the grinding balls is large, the movement of the grinding balls is not active enough, resulting in The slurry is not ground sufficiently; on the other hand, some grinders directly install a filter on the hollow main shaft, and the filtered slurry is transported out through the hollow main shaft. This structure also has obvious defects: the new slurry is not ground sufficiently before flowing to the filter, and there are still many large particles in the slurry that are blocked in the filter, resulting in the need to frequently clean or replace the filter, affecting the grinding efficiency. In this context, the applicant is committed to developing a turbine grinder to further improve the movement activity of the grinding balls, improve the grinding accuracy, and further extend the grinding time of the slurry and improve the grinding efficiency.

[0003] Summary of the Invention

[0004] The purpose of the present invention is to further improve the movement activity of the grinding balls, improve the grinding accuracy, further extend the grinding time of the slurry, and improve the grinding efficiency.

[0005] In order to achieve the above object, the technical solutions adopted by the present invention are as follows:

[0006] A turbine grinder comprises a grinding cylinder, a driving mechanism, a main shaft, a turbine, a rotating seat, a filter cylinder, a feed pipe and a discharge pipe, wherein the feed pipe and the discharge pipe are respectively fixedly arranged at the two ends of the grinding cylinder, the feed pipe is communicated with the interior of the grinding cylinder, the filter cylinder is fixedly arranged at one end of the grinding cylinder close to the discharge pipe, the discharge pipe is communicated with the interior of the filter cylinder, the rotating seat is covered on the filter cylinder, one end of the main shaft extends into the grinding cylinder from the end of the grinding cylinder close to the feed pipe and is fixedly connected to the rotating seat, the driving mechanism drives the main shaft to rotate, the turbine is located in the grinding cylinder, and the turbine is fixedly arranged on the main shaft, the end face of the turbine is penetrated by a through groove, the wheel surface of the turbine is provided with a centrifugal groove, the through groove is communicated with the centrifugal groove, and a plurality of grinding balls are placed in the grinding cylinder.

[0007] Furthermore, the central axes of the grinding cylinder, main shaft, turbine, rotating seat and filter cylinder are all collinear.

[0008] Furthermore, there are at least two groups of turbines, which are arranged in an equidistant array along the main axis.

[0009] Furthermore, the inner wall of the through groove is arc-shaped.

[0010] Furthermore, it also includes a fixing seat and a vibrator, the fixing seat is fixedly arranged on one end of the grinding cylinder close to the discharge pipe, and the vibrator and one end of the filter cylinder close to the discharge pipe are both fixedly arranged on the fixing seat.

[0011] Furthermore, it also includes a bead inlet tube, which is fixedly arranged on the grinding cylinder and communicated with the internal space of the grinding cylinder.

[0012] Furthermore, it also includes a cooling mechanism, which includes an inlet pipe, an outlet pipe, an external cooling cylinder and a coolant. The external cooling cylinder is fixedly arranged on the outer surface of the grinding cylinder, and a accommodating space is formed between the external cooling cylinder and the grinding cylinder. The inlet pipe and the outlet pipe are both connected to the inside of the accommodating space, and the coolant circulates in the inlet pipe, the outlet pipe and the accommodating space.

[0013] Furthermore, the cooling mechanism also includes a feed cooling tank, the liquid inlet pipe and the liquid outlet pipe are respectively connected to the upper and lower parts of the feed cooling tank, and the feed pipe runs through the feed cooling tank.

[0014] Furthermore, the cooling mechanism also includes a heat exchange tank, a heat exchange tube, a circulation tube, a circulating liquid and a pump. Both ends of the circulation tube are connected to the interior of the heat exchange tank. The pump pumps the circulating liquid to circulate in the circulation tube. The circulation tube cooperates with the driving mechanism. The heat exchange tube is located in the heat exchange tank, and the two ends of the heat exchange tube are respectively connected to the liquid inlet pipe and the liquid outlet pipe.

[0015] Furthermore, it also includes a frame, and the grinding cylinder and the driving mechanism are fixedly arranged on the frame.

[0016] The beneficial effects of the present invention are as follows: the present invention fixes the turbine on the main shaft. When the main shaft drives the turbine to rotate, the turbine is circular, and the resistance it receives from the grinding balls in its rotation direction will be greatly reduced, thereby allowing the main shaft to rotate at high speed. In addition, the present invention has a through groove running through the end face of the turbine, and a centrifugal groove is opened on the wheel surface of the turbine. The through groove is connected to the centrifugal groove, and the grinding balls on the side of the turbine can squeeze into the through groove. The rotation of the turbine generates centrifugal force, which throws the grinding balls in the through groove out of the centrifugal groove, thereby making the movement of the grinding balls more active, and the mutual collision and extrusion between the grinding balls are also more frequent, thereby more fully grinding the large particles in the slurry. Compared with the traditional pin-type grinder, the present invention further improves the grinding accuracy.

[0017] On the other hand, the present invention fixes the feed pipe and the discharge pipe at the two ends of the grinding cylinder respectively, and covers the rotating seat on the filter cylinder. When the slurry enters the interior of the grinding cylinder from the feed pipe, it needs to flow from one end of the grinding cylinder to the other end until it reaches the discharge pipe. During the flow, the grinding time of the slurry is also greatly prolonged, so that the slurry is fully ground. Compared with the traditional technology of directly setting the filter screen on the main shaft, the present invention prolongs the grinding time of the slurry, thereby grinding more fully and thoroughly, greatly reducing large particles, and reducing the frequency of cleaning or replacing the filter cylinder to a certain extent, thereby improving the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG1 is a schematic diagram of the overall structure of the present invention;

[0019] FIG2 is a second schematic diagram of the overall structure of the present invention;

[0020] FIG3 is a cross-sectional view of the overall structure of the present invention;

[0021] FIG4 is a schematic diagram of the internal structure of the grinding cylinder of the present invention;

[0022] FIG5 is a schematic diagram of the structure of a turbine according to the present invention;

[0023] FIG6 is a second schematic structural diagram of the turbine of the present invention;

[0024] FIG7 is a schematic diagram of a portion of the structure of the cooling mechanism of the present invention;

[0025] FIG8 is a schematic diagram of the internal structure of the feed cooling tank and the heat exchange tank of the present invention;

[0026] The figures are marked as: frame 1, grinding cylinder 2, driving mechanism 3, main shaft 4, turbine 5, through groove 51, centrifugal groove 52, rotating seat 6, flow groove 61, filter cylinder 7, feed pipe 8, discharge pipe 9, fixed seat 10, vibrator 11, bead inlet pipe 12, cooling mechanism 13, liquid inlet pipe 131, liquid outlet pipe 132, external cooling cylinder 133, feed cooling tank 134, heat exchange tank 135, heat exchange pipe 136, circulation pipe 137. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings.

[0028] A turbine grinder as shown in Figures 1 to 8 includes a frame 1, a grinding cylinder 2, a driving mechanism 3, a main shaft 4, a turbine 5, a rotating base 6, a filter cylinder 7, a feed pipe 8, a discharge pipe 9, a fixed base 10, a vibrator 11, a bead feed pipe 12, and a cooling mechanism 13.

[0029] The feed pipe 8 and the discharge pipe 9 are respectively fixed at the two ends of the grinding cylinder 2. The more specific structure is: the feed pipe 8 is fixed at one end of the grinding cylinder 2, and the discharge pipe 9 is located at the other end of the grinding cylinder 2. The fixed seat 10 is fixed at the end of the grinding cylinder 2 close to the discharge pipe 9, the vibrator 11 is fixed on the fixed seat 10, and the end of the filter cylinder 7 close to the discharge pipe 9 is also fixed on the fixed seat 10. The vibrating end of the vibrator 11 extends into the filter cylinder 7. When the vibrator 11 vibrates at high frequency, the high-frequency vibration is transmitted to the filter cylinder 7 through the fixed seat 10, thereby shaking off the large particles in the slurry from the filter cylinder 7, avoiding clogging of the filter cylinder 7 to a certain extent.

[0030] The feed pipe 8 is connected to the interior of the grinding cylinder 2, and the filter cylinder 7 is fixedly arranged at one end of the grinding cylinder 2 near the discharge pipe 9. The discharge pipe 9 is connected to the interior of the filter cylinder 7. When the slurry enters the interior of the grinding cylinder 2 from the feed pipe 8 until it reaches the discharge pipe 9, it needs to flow from one end of the grinding cylinder 2 to the other end. While flowing, the grinding time of the slurry is also greatly extended, so that the slurry is fully ground. Compared with the traditional technology of directly setting the filter screen on the main shaft 4, the present invention prolongs the grinding time of the slurry, thereby making the grinding more sufficient and thorough, greatly reducing large particles, and reducing the frequency of cleaning or replacing the filter cylinder 7 to a certain extent, thereby improving the grinding efficiency.

[0031] The rotating seat 6 is covered on the filter cylinder 7. One end of the main shaft 4 extends into the grinding cylinder 2 from the end of the grinding cylinder 2 close to the feed pipe 8 and is fixedly connected to the rotating seat 6. A flow groove 61 is opened on the rotating seat 6. The flow groove 61 facilitates the flow of grinding balls from the inside of the rotating seat 6 to the grinding cylinder 2, thereby avoiding the backlog of grinding balls in the rotating seat 6.

[0032] The driving mechanism 3 drives the main shaft 4 to rotate. The turbine 5 is located in the grinding cylinder 2 and is fixed on the main shaft 4. A through groove 51 is penetrated through the end face of the turbine 5. A centrifugal groove 52 is opened on the wheel surface of the turbine 5. The through groove 51 is connected to the centrifugal groove 52. A plurality of grinding balls are placed in the grinding cylinder 2. The central axes of the grinding cylinder 2, the main shaft 4, the turbine 5, the rotating seat 6 and the filter cylinder 7 are all collinear.

[0033] The inner wall of the through groove 51 is arc-shaped, and the arc-shaped design is more conducive to throwing the grinding balls out of the centrifugal groove 52.

[0034] When the main shaft 4 drives the turbine 5 to rotate, since the turbine 5 is circular, the resistance it encounters from the grinding balls in the direction of rotation will be greatly reduced, so that the main shaft 4 can rotate at high speed. In addition, the present invention has a through groove 51 running through the end face of the turbine 5, and a centrifugal groove 52 is opened on the wheel surface of the turbine 5. The through groove 51 is connected to the centrifugal groove 52, and the grinding balls on the side of the turbine 5 can squeeze into the through groove 51. The rotation of the turbine 5 generates centrifugal force, which throws the grinding balls in the through groove 51 out of the centrifugal groove 52, so that the movement of the grinding balls is more active, and the mutual collision and extrusion between the grinding balls are also more frequent, so that the large particles in the slurry are more fully ground. Compared with the traditional pin-type grinder, the present invention further improves the grinding accuracy.

[0035] There are at least two groups of turbines 5, which are arranged in an equidistant array along the main shaft 4. The design of multiple groups of turbines 5 further improves the fineness of grinding. When the slurry enters the grinding cylinder 2 from the feed pipe 8, it is coarsely ground for the first time when it passes through the first group of turbines 5, and finely ground for the second time when it passes through the second group of turbines 5. And so on. After multiple grindings, the slurry becomes finer.

[0036] The bead inlet tube 12 is fixedly arranged on the grinding cylinder 2 and is communicated with the inner space of the grinding cylinder 2 . Grinding balls can be added into the grinding cylinder 2 through the bead inlet tube 12 .

[0037] The cooling mechanism 13 includes a liquid inlet pipe 131, a liquid outlet pipe 132, an external cooling cylinder 133, a coolant, a feed cooling tank 134, a heat exchange tank 135, a heat exchange pipe 136, a circulation pipe 137, a circulating liquid and a pump. The external cooling cylinder 133 is fixedly arranged on the outer surface of the grinding cylinder 2, and an accommodating space is formed between the external cooling cylinder 133 and the grinding cylinder 2. The liquid inlet pipe 131 and the liquid outlet pipe 132 are both connected to the inside of the accommodating space, and the coolant circulates in the liquid inlet pipe 131, the liquid outlet pipe 132 and the accommodating space.

[0038] When the grinding balls collide with each other, a large amount of heat is generated. At this time, the grinding cylinder 2 needs to be cooled. The coolant in the liquid inlet pipe 131 flows into the accommodating space under the drive of external equipment, and finally flows out from the liquid outlet pipe 132 to other heat dissipation equipment, thereby taking away the heat of the grinding cylinder 2 and achieving cooling.

[0039] The liquid inlet pipe 131 and the liquid outlet pipe 132 are respectively connected to the upper and lower parts of the feed cooling tank 134. The feed pipe 8 runs through the feed cooling tank 134. When the coolant in the liquid inlet pipe 131 and the liquid outlet pipe 132 flows through the feed cooling tank 134, it contacts the feed pipe 8 and exchanges heat, bringing the heat of the feed pipe 8 into the feed pipe 8, thereby cooling the feed in the feed pipe 8.

[0040] Both ends of the circulation pipe 137 are connected to the interior of the heat exchange tank 135. The pump pumps the circulating liquid to circulate in the circulation pipe 137. The circulation pipe 137 cooperates with the driving mechanism 3. The heat exchange pipe 136 is located in the heat exchange tank 135, and the two ends of the heat exchange pipe 136 are respectively connected to the liquid inlet pipe 131 and the liquid outlet pipe 132.

[0041] The circulation pipe 137 is wound around the driving mechanism 3 and is used to conduct the heat generated by the driving mechanism 3 when it is working. When the pump pumps the circulating fluid to circulate in the circulation pipe 137, the heat generated by the driving mechanism 3 when it is working is taken away. When the circulating fluid flows through the heat exchange tank 135, the heat is conducted to the heat exchange pipe 136. When the coolant in the liquid inlet pipe 131 flows through the heat exchange pipe 136, the heat is taken away from the heat exchange pipe 136. The coolant finally flows out from the liquid outlet pipe 132 and takes the heat to other heat dissipation mechanisms for dissipation.

[0042] The grinding cylinder 2 and the driving mechanism 3 are both fixedly arranged on the frame 1 .

[0043] The working principle of the present invention is as follows: the driving mechanism 3 drives the main shaft 4 to rotate, the main shaft 4 drives the turbine 5 to rotate at high speed, the grinding balls on the side of the turbine 5 squeeze each other and squeeze into the through groove 51, the rotation of the turbine 5 generates centrifugal force, and the grinding balls in the through groove 51 are thrown out from the centrifugal groove 52, thereby making the movement of the grinding balls more active, and the mutual collision and squeezing between the grinding balls are also more frequent, so that the large particles in the slurry are more fully ground, and the grinding accuracy is improved.

[0044] When the slurry enters the interior of the grinding cylinder 2 from the feed pipe 8 until it reaches the discharge pipe 9, it needs to flow from one end of the grinding cylinder 2 to the other end. During the flow, the grinding time of the slurry is greatly extended, so that the slurry passes through multiple sets of turbines 5 in sequence for grinding, further improving the fineness of the grinding.

[0045] When the grinding balls collide with each other, a large amount of heat is generated. The coolant in the liquid inlet pipe 131 flows into the accommodating space under the drive of external equipment, and finally flows out from the liquid outlet pipe 132 to other heat dissipation equipment, thereby taking away the heat of the grinding cylinder 2 and cooling the grinding cylinder 2.

[0046] When the coolant in the liquid inlet pipe 131 and the liquid outlet pipe 132 flows through the feed cooling tank 134, it contacts the feed pipe 8 and exchanges heat, bringing the heat of the feed pipe 8 into the feed pipe 8 to cool the feed in the feed pipe 8.

[0047] When the pump pumps the circulating fluid to circulate in the circulating pipe 137, the heat generated by the driving mechanism 3 during operation is taken away. When the circulating fluid flows through the heat exchange tank 135, the heat is transferred to the heat exchange pipe 136. When the coolant in the liquid inlet pipe 131 flows through the heat exchange pipe 136, the heat of the heat exchange pipe 136 is taken away. Finally, the coolant flows out from the liquid outlet pipe 132 and takes the heat to other heat dissipation mechanisms for dissipation, thereby cooling the driving mechanism 3.

[0048] The above disclosure is only a preferred embodiment of the present invention and cannot be used to limit the scope of protection of the present invention. Therefore, equivalent changes made within the scope of the patent application of the present invention are still within the scope covered by the present invention. The above does not impose any limitation on the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A turbine grinder, characterized in that: It includes a grinding cylinder, a driving mechanism, a main shaft, a turbine, a rotating seat, a filter cylinder, a feed pipe and a discharge pipe, the feed pipe and the discharge pipe are respectively fixedly arranged at the two ends of the grinding cylinder, the feed pipe is communicated with the interior of the grinding cylinder, the filter cylinder is fixedly arranged at one end of the grinding cylinder close to the discharge pipe, the discharge pipe is communicated with the interior of the filter cylinder, the rotating seat is covered on the filter cylinder, one end of the main shaft extends into the grinding cylinder from the end of the grinding cylinder close to the feed pipe, and is fixedly connected to the rotating seat, the driving mechanism drives the main shaft to rotate, the turbine is located in the grinding cylinder, and the turbine is fixedly arranged on the main shaft, the end face of the turbine is penetrated by a through groove, the wheel surface of the turbine is provided with a centrifugal groove, the through groove is communicated with the centrifugal groove, and a number of grinding balls are placed in the grinding cylinder.

2. A turbine grinder according to claim 1, characterized in that: The central axes of the grinding cylinder, the main shaft, the turbine, the rotating seat and the filter cylinder are all collinear.

3. The turbine grinder according to claim 1, characterized in that: There are at least two groups of turbines, which are arranged in an equidistant array along the main axis.

4. The turbine grinder according to claim 1, wherein: The inner wall of the through groove is arc-shaped.

5. The turbine grinder according to claim 1, characterized in that: It also includes a fixing seat and a vibrator. The fixing seat is fixedly arranged on one end of the grinding cylinder close to the discharge pipe. The vibrator and one end of the filter cylinder close to the discharge pipe are both fixedly arranged on the fixing seat.

6. The turbine grinder according to claim 1, characterized in that: It also includes a bead inlet tube, which is fixed on the grinding cylinder and communicated with the inner space of the grinding cylinder.

7. The turbine grinder according to claim 1, characterized in that: It also includes a cooling mechanism, which includes an inlet pipe, an outlet pipe, an external cooling cylinder and a coolant. The external cooling cylinder is fixedly arranged on the outer surface of the grinding cylinder, and an accommodating space is formed between the external cooling cylinder and the grinding cylinder. The inlet pipe and the outlet pipe are both connected to the inside of the accommodating space, and the coolant circulates in the inlet pipe, the outlet pipe and the accommodating space.

8. The turbine grinder according to claim 7, characterized in that: The cooling mechanism further comprises a feed cooling tank, the liquid inlet pipe and the liquid outlet pipe are respectively communicated with the upper and lower parts of the feed cooling tank, and the feed pipe runs through the feed cooling tank.

9. The turbine grinder according to claim 7, characterized in that: The cooling mechanism also includes a heat exchange tank, a heat exchange tube, a circulation tube, a circulation liquid and a pump. Both ends of the circulation tube are connected to the interior of the heat exchange tank. The pump pumps the circulation liquid to circulate in the circulation tube. The circulation tube cooperates with the driving mechanism. The heat exchange tube is located in the heat exchange tank, and both ends of the heat exchange tube are respectively connected to the liquid inlet pipe and the liquid outlet pipe.

10. A turbine grinder according to any one of claims 1 to 9, characterized in that: It also includes a frame, and the grinding cylinder and the driving mechanism are fixedly arranged on the frame.

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