CN213315339U - Rod pin type sand mill - Google Patents
Rod pin type sand mill Download PDFInfo
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- CN213315339U CN213315339U CN202021593958.3U CN202021593958U CN213315339U CN 213315339 U CN213315339 U CN 213315339U CN 202021593958 U CN202021593958 U CN 202021593958U CN 213315339 U CN213315339 U CN 213315339U
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Abstract
The utility model discloses a stick round pin formula sand mill belongs to sand mill technical field. The grinding device comprises a grinding cylinder, a main shaft and a mechanical seal assembly arranged on the main shaft; install the inner tube on the main shaft, the fixed cover that is used for fixed main shaft is all installed to inner tube both ends inboard, and the lateral wall of inner tube evenly is equipped with a plurality of fixing bases, is equipped with the fixed slot on the fixing base, is equipped with the screw in the fixed slot, and the fixing base at inner tube both ends corresponds each other and every installs the excellent round pin fixed plate between the fixing base, and is fixed through the spiro union between excellent round pin fixed plate and the fixing base. Through adopting fixed inner tube on the main shaft, the inner tube both ends are equipped with a plurality of fixing bases, and the structure cooperation of installation stick round pin fixed plate is used between the fixing base, can concentrate grinding medium in effective grinding district, greatly reduced invalid mechanical energy, improve grinding efficiency.
Description
Technical Field
The utility model relates to a stick round pin formula sand mill belongs to sand mill technical field.
Background
The rod pin type sand mill is one of the important devices of the wet grinding in the market at present. The grinding machine has irreplaceable advantages compared with the existing wet grinding equipment such as a basket grinder, a three-roll machine, a homogenizer and the like, and is mainly applied to the grinding in the fields of paint, printing ink, high polymers, nano materials, food, printing and dyeing, pesticides, printing and dyeing and the like.
The barrel in the grinding cavity of the pin type sand mill on the market at present belongs to a thin type, the inner barrel of the pin is the thin type, the pin for driving grinding media is longer, the pin for grinding media is too long, the space of the grinding area can be large, most grinding media are not in the most efficient grinding area, the kinetic energy of the effective grinding area of the grinding cavity is greatly reduced, and a large part of mechanical kinetic energy is wasted, so that the grinding efficiency is reduced, the target particle size is difficult to realize, the overlong length of the pin can also make the bending moment of the root of the pin in the operation process of the equipment larger, the probability of breaking of the root of the pin is increased, and the cost for replacing the pin is reduced.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides a stick round pin formula sand mill, it has solved among the prior art problem that the grinding efficiency is low and the easy root of grinding stick round pin is disconnected that the thin and long grinding efficiency who brings of stick round pin inner tube.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
the utility model provides a stick pin formula sand mill, includes the frame and sets up the grinder in the frame top, grinder includes grinding vessel, main shaft and installs at main epaxial mechanical seal subassembly, grinding vessel one side is equipped with the material entry, and the manometer is installed to the material entrance, and the grinding vessel opposite side is equipped with the material export, and the thermometer is installed in the material exit, the main shaft is rotatory by drive arrangement drive, and drive arrangement comprises driving motor, driving pulley, driven pulleys and drive belt, and driving motor establishes inside the frame, and driving pulley fixes in the driving motor pivot, and driven pulleys fixes the one end at the main shaft, and driving pulley, driven pulleys are connected the transmission by the drive belt, its characterized in that:
the spindle is provided with an inner barrel, the inner sides of the two ends of the inner barrel are respectively provided with a fixed sleeve for fixing the spindle, the outer side wall of the inner barrel is uniformly provided with a plurality of fixed seats, the fixed seats are provided with fixed grooves, screw holes are formed in the fixed grooves, the fixed seats at the two ends of the inner barrel correspond to each other, a bar pin fixing plate is arranged between each pair of fixed seats, and the bar pin fixing plates and the fixed seats are fixed;
the length of the inner cylinder is shorter than that of the rod pin fixing plate, a part of the rod pin fixing plate, which is longer than the inner cylinder, forms an accommodating space, a filter screen cylinder is arranged in the accommodating space, and the filter screen cylinder is communicated with the material outlet;
the rod pin fixing plate is provided with a plurality of mounting holes, and grinding rod pins are mounted in the mounting holes.
As a preferred example, the grinding cylinder is externally coated with a cooling cylinder, and a cooling cavity is formed between the cooling cylinder and the grinding cylinder.
As a preferable example, a cooling coil is arranged in the filter screen cylinder, and the water inlet end and the water outlet end of the cooling coil penetrate through and extend out of the grinding cylinder.
As a preferred example, the pin fixing plate includes a wide portion and narrow portions, the narrow portions are located at two ends of the wide portion, the narrow portions at two ends are respectively fixed in the fixing grooves of the fixing base, and two ends of the wide portion respectively abut against the fixing base.
As a preferred example, the grinding rod pins arranged on the two adjacent rod pin fixing plates are distributed in a staggered way.
As a preferable example, the grinding pin is composed of an alloy rod nail and a ceramic sleeve column, the alloy rod nail is integrally formed by a threaded portion and a fixing portion, the threaded portion of the alloy rod nail is in threaded connection with a mounting hole on a rod pin fixing plate, the alloy rod nail fixing portion is inserted into the ceramic sleeve column and fixed through an adhesive, and a metal O-ring is fixed at the connection position of the threaded portion and the fixing portion of the alloy rod nail.
The utility model has the advantages that:
(1) the inner cylinder is fixed on the main shaft, the two ends of the inner cylinder are provided with the plurality of fixing seats, and the structures of the bar pin fixing plates arranged between the fixing seats are matched for use, so that grinding media can be concentrated in an effective grinding area, invalid mechanical energy is greatly reduced, and grinding efficiency is improved;
(2) the rod pin fixing plate is arranged on the fixing seat and is erected, so that the resistance generated by grinding media and ground materials can be reduced during grinding, and the phenomenon that the grinding rod pin is broken due to overlarge resistance is prevented;
(3) grinding rod pins arranged on two adjacent rod pin fixing plates are distributed in a staggered mode, so that grinding media and ground materials can be ground more uniformly by the grinding rod pins;
(2) through the alloy stick nail fixed with the mounting hole spiro union on the stick round pin fixed plate, alloy stick round pin fixed part is inserted in the ceramic sleeve post and is fixed by the gluing agent, and the screw thread portion of alloy stick nail is fixed with metal O shape circle with the fixed part junction, not only conveniently changes and grinds the stick round pin, can also avoid grinding the easy root problem absolutely of stick round pin.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the grinding device of the present invention;
FIG. 3 is a schematic view of a fixing structure of an inner cylinder and a pin fixing plate;
FIG. 4 is a schematic view of the sectional structure of the inner cylinder of the present invention;
FIG. 5 is a schematic view of the side structure of the inner cylinder of the present invention
FIG. 6 is a schematic view of the structure of the pin fixing plate of the present invention;
fig. 7 is a schematic view of a disassembled structure of the grinding pin.
In the figure: the grinding device comprises a rack 1, a grinding device 2, a grinding cylinder 3, a cooling cylinder 4, a spindle 5, a mechanical sealing assembly 6, a material inlet 7, a pressure gauge 8, a material outlet 9, a thermometer 10, a driving motor 11, a driving belt pulley 12, a driven belt pulley 13, a transmission belt 14, an inner cylinder 15, a fixing sleeve 16, a fixing seat 17, a fixing groove 18, a screw hole 19, a rod pin fixing plate 20, a wide part 201, a narrow part 202, a filter screen cylinder 21, a cooling coil pipe 22, a mounting hole 23, a grinding rod pin 24, an alloy rod nail 25, a threaded part 251, a fixing part 252, a ceramic sleeve column 26 and a metal O-shaped ring 27.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in figures 1-7, a rod pin type sand mill comprises a frame 1 and a grinding device 2 arranged above the frame 1, wherein the grinding device 2 comprises a grinding cylinder 3, a main shaft 5 and a mechanical seal assembly 6 arranged on the main shaft 5, the mechanical seal assembly 6 is a product of the prior art, a material inlet 7 is arranged on one side of the grinding cylinder 3, grinding media and materials enter the grinding cylinder 3 from the material inlet 7, a pressure gauge 8 is arranged at the material inlet 7, the pressure gauge 8 is used for detecting whether the pressure in the grinding cylinder 3 is normal or not, a material outlet 9 is arranged on the other side of the grinding cylinder 3, the ground materials are output from the material outlet 9, a thermometer 10 is arranged at the material outlet 9, the thermometer 10 is used for detecting whether the temperature of the output materials is qualified or not, the main shaft 5 is driven to rotate by a driving device, and the driving device is composed of a driving motor, The grinding machine comprises a driven belt wheel 13 and a transmission belt 14, a driving motor 11 is arranged inside a rack 1, a driving belt wheel 12 is fixed on a rotating shaft of the driving motor 11, the driven belt wheel 13 is fixed at one end of a main shaft 5, the driving belt wheel 12 and the driven belt wheel 13 are connected and transmitted by the transmission belt 14, an inner cylinder 15 is arranged on the main shaft 5, a grinding cavity is formed between the inner cylinder 15 and a grinding cylinder 3, fixing sleeves 16 used for fixing the main shaft 5 are respectively arranged on the inner sides of two ends of the inner cylinder 15, a plurality of fixing seats 17 are uniformly arranged on the outer side wall of the inner cylinder 15, fixing grooves 18 are arranged on the fixing seats 17, screw holes 19 are formed in the fixing seats 18, fixing seats 17 at two ends of the inner cylinder 15; the length of the inner cylinder 15 is shorter than that of the pin fixing plate 20, a part of the pin fixing plate 20, which is longer than the inner cylinder 15, forms an accommodating space, a filter screen cylinder 21 is installed in the accommodating space, and the filter screen cylinder 21 is communicated with the material outlet 9; the pin fixing plate 20 is provided with a plurality of mounting holes 23, and grinding pins 24 are mounted in the mounting holes 23.
Preferably, the grinding cylinder 3 is externally coated with a cooling cylinder 4, and a cooling cavity is formed between the cooling cylinder 4 and the grinding cylinder 3.
Preferably, a cooling coil 22 is arranged in the filter screen cylinder 21, the water inlet end and the water outlet end of the cooling coil 22 both penetrate through and extend out of the grinding cylinder 3, the ground material is filtered by the filter screen of the filter screen cylinder 21 and then enters the cavity of the filter screen cylinder 2, and because the grinding medium and the material generate heat when impacting the inner wall surface of the grinding cylinder 3 in the grinding process, the cold water in the cooling coil 22 needs to be cooled, and then the cold water is output from the material outlet 9 arranged on the grinding cylinder 3.
Preferably, as shown in fig. 6, the pin fixing plate 20 includes a wide portion 201 and a narrow portion 202, the narrow portion 202 is located at two ends of the wide portion 201, the two end narrow portions 202 are respectively fixed in the fixing grooves 18 of the fixing seats 17, and two ends of the wide portion 201 respectively abut against the fixing seats 17, so that the pin fixing plate 20 is prevented from moving horizontally between the fixing seats 17.
Preferably, as shown in fig. 3, the grinding pins 24 mounted on two adjacent pin fixing plates 20 are distributed in a staggered manner, so that the grinding of the grinding medium and the ground material by the grinding pins 24 is more uniform.
Preferably, as shown in fig. 7, the grinding pin 24 is composed of an alloy pin 25 and a ceramic sleeve 26, the alloy pin 25 is integrally formed by a threaded portion 251 and a fixing portion 252, the threaded portion 251 of the alloy pin 25 is screwed with the mounting hole 23 on the pin fixing plate 20, the fixing portion of the alloy pin 25 is inserted into the ceramic sleeve 26 and fixed by an adhesive, the adhesive is a commercially available product, a metal O-ring 27 is fixed at the joint of the threaded portion 251 and the fixing portion 262 of the alloy pin 25, the pin fixing plate 20 rotates along with the inner cylinder 15 driven by the spindle 5, the ceramic sleeve 26 of the grinding pin 24 mounted on the pin fixing plate 20 stirs and grinds the grinding medium and the material in the grinding cylinder 3, the metal O-ring 27 can disperse the impact force applied to the root of the alloy pin 25, and avoid the problem that the root of the grinding pin 24 is easily broken.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a stick pin formula sand mill, includes the frame and sets up the grinder in the frame top, grinder includes grinding vessel, main shaft and installs at main epaxial mechanical seal subassembly, grinding vessel one side is equipped with the material entry, and the manometer is installed to the material entrance, and the grinding vessel opposite side is equipped with the material export, and the thermometer is installed in the material exit, the main shaft is rotatory by drive arrangement drive, and drive arrangement comprises driving motor, driving pulley, driven pulleys and drive belt, and driving motor establishes inside the frame, and driving pulley fixes in the driving motor pivot, and driven pulleys fixes the one end at the main shaft, and driving pulley, driven pulleys are connected the transmission by the drive belt, its characterized in that:
the spindle is provided with an inner barrel, the inner sides of the two ends of the inner barrel are respectively provided with a fixed sleeve for fixing the spindle, the outer side wall of the inner barrel is uniformly provided with a plurality of fixed seats, the fixed seats are provided with fixed grooves, screw holes are formed in the fixed grooves, the fixed seats at the two ends of the inner barrel correspond to each other, a bar pin fixing plate is arranged between each pair of fixed seats, and the bar pin fixing plates and the fixed seats are fixed;
the length of the inner cylinder is shorter than that of the rod pin fixing plate, a part of the rod pin fixing plate, which is longer than the inner cylinder, forms an accommodating space, a filter screen cylinder is arranged in the accommodating space, and the filter screen cylinder is communicated with the material outlet;
the rod pin fixing plate is provided with a plurality of mounting holes, and grinding rod pins are mounted in the mounting holes.
2. The rod pin sander as set forth in claim 1, wherein said grinding vessel is externally coated with a cooling vessel forming a cooling chamber with the grinding vessel.
3. The rod pin type sand mill according to claim 1, wherein a cooling coil is arranged in the filter screen cylinder, and the water inlet end and the water outlet end of the cooling coil penetrate through and extend out of the grinding cylinder.
4. The pin sander according to claim 1, wherein the pin-fixing plate comprises a wide portion and narrow portions, the narrow portions are located at two ends of the wide portion, the narrow portions are fixed in the fixing grooves of the fixing base, and the two ends of the wide portion abut against the fixing base.
5. The pin sander of claim 1, wherein the abrasive pins mounted on two adjacent pin retainer plates are staggered.
6. The rod pin type sand mill according to claim 1, wherein the grinding rod pin is composed of an alloy rod pin and a ceramic sleeve column, the alloy rod pin is integrally formed by a threaded portion and a fixing portion, the threaded portion of the alloy rod pin is in threaded connection with a mounting hole in the rod pin fixing plate, the alloy rod pin fixing portion is inserted into the ceramic sleeve column and fixed through an adhesive, and a metal O-ring is fixed at the connection of the threaded portion and the fixing portion of the alloy rod pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021593958.3U CN213315339U (en) | 2020-08-04 | 2020-08-04 | Rod pin type sand mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021593958.3U CN213315339U (en) | 2020-08-04 | 2020-08-04 | Rod pin type sand mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213315339U true CN213315339U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021593958.3U Active CN213315339U (en) | 2020-08-04 | 2020-08-04 | Rod pin type sand mill |
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| CN (1) | CN213315339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130485A (en) * | 2021-11-25 | 2022-03-04 | 东莞市华汇精密机械有限公司 | Double-convex-pin-type nano sand mill |
| CN114289135A (en) * | 2021-12-30 | 2022-04-08 | 无锡东恒新能源科技有限公司 | Sanding device of carbon nanotube |
-
2020
- 2020-08-04 CN CN202021593958.3U patent/CN213315339U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114130485A (en) * | 2021-11-25 | 2022-03-04 | 东莞市华汇精密机械有限公司 | Double-convex-pin-type nano sand mill |
| CN114130485B (en) * | 2021-11-25 | 2022-06-14 | 东莞市华汇精密机械有限公司 | Double-convex-pin-type nano sand mill |
| CN114289135A (en) * | 2021-12-30 | 2022-04-08 | 无锡东恒新能源科技有限公司 | Sanding device of carbon nanotube |
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