CN209379108U - A kind of stable sand mill of efficient performance - Google Patents

Abstract

The utility model discloses a kind of efficient performances to stablize sand mill, including lower margin, rack, sewage draining exit, cylinder cap, feed inlet, grinding rotor, electro connecting pressure gauge, outer barrel, inner cylinder, rotor gland, axle sleeve, main shaft, sieve, discharge turbine one, discharge turbine two, discharge rotating ring, discharge stationary ring, discharge flange, discharge port, mechanical seal, bearing block and driving motor, grinding efficiency increases, because discharging device is close to main shaft, when equipment operation, partial size larger particles are close to inner barrel, it can not flow out, only reach certain fineness, it could flow out, capacity usage ratio is high, and former discharging device is on cylinder, bulky grain easily flows out, and fine grained is not easy to flow out, capacity usage ratio is low, sieve long service life, because sieve is fixed on inside turbine, sieve is not contacted with abrasive media, do not wear, it is mechanical Sealing life is long.

Description

A kind of stable sand mill of efficient performance

Technical field

The utility model relates to a kind of extra-fine grinding equipment, specifically a kind of efficient performance stablizes sand mill.

Background technique

Sand mill is that current material adaptability is most wide, the most advanced, the highest milling apparatus of efficiency, big according to service performance Body can be divided into horizontal sand mill, basket type sand mill, vertical grinding machine etc..The grinding chamber of sand mill is more narrow, and driving lever gap is small, Grinding energy is more intensive, cooperates high performance cooling system and automatic control system, it can be achieved that material Continuous maching continuously goes out Material, greatly improves the large-size horizontal sand mill in production efficiency, especially sand mill due to design and system in recent years The maturation for making technology, the extra-fine grinding for making it be applied to miberal powder become a reality.

Utility model content

The purpose of this utility model is to provide a kind of efficient performances to stablize sand mill, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions:

A kind of stable sand mill of efficient performance, including lower margin, rack, sewage draining exit, cylinder cap, feed inlet, grinding rotor, electricity connect Point pressure table, outer barrel, inner cylinder, rotor gland, axle sleeve, main shaft, sieve, discharging turbine one, discharging turbine two, discharging are dynamic Ring, discharging stationary ring, discharging flange, discharge port, mechanical seal, bearing block and driving motor, the rack are the main body of sand mill Bracket, the bottom surface of rack are fixedly connected there are six lower margin, and lower margin is that bolt is fixedly connected in the bolt block of rack bottom surface setting, It is used to support and grinding machine, and rack balance can be adjusted by rotation bolt, the top surface right end of rack be fixedly connected with bearing block And transmission case, the right side of bearing block are fixedly connected with the left side of transmission case, bearing block two sides center is slided by bearing to be connected The right end of main shaft is connect, the right end of main shaft passes through bearing block and protrudes into transmission case, and main shaft right end is located at the part key chain in transmission case It is connected to pulley concial disk, by the output end of V-belt and driving motor, driving motor is fixedly connected on the top of bearing block, leads to Cross V-belt and drive main axis, so that grinding rotor be driven to rotate, material enters from left side, material inner barrel speed from Inner barrel to major axes orientation, gradually successively decrease by speed, when material reaches filter device position, material particular diameter work inner barrel side To major axes orientation is arrived, particle size distribution is by successively decreasing greatly, and the smaller material of partial size is easy to flow out, and large-size particles are not easy to flow Out, the grinding rotor is located at inner barrel, and cylinder is made of outer barrel and inner cylinder, and the outer barrel is fixedly connected on rack Top surface on the left of, be cylindrical body barreled, outer barrel inner wall is evenly distributed with multiple tracks floor, for enhancing institutional framework and heat dissipation, Outer barrel left end has been bolted to connection cylinder cap, the cylinder cap be it is discoid, for cleaning inner barrel and maintenance grinding Rotor, the left side top surface of cylinder cap are fixedly connected with feed inlet, and feed inlet connects discharge port and inner barrel by feed pump, is used for Grinding feedstock transportation to sand mill inner barrel is ground, the corner of feed inlet is equipped with electro connecting pressure gauge, for incuding and Sand mill internal pressure is monitored, the left side bottom surface of cylinder cap is equipped with sewage draining exit, for clearing up inner barrel, discharge grinding waste material, institute The inside that inner cylinder is fastened on outer barrel by interference is stated, for contacting with abrasive media and grinding raw material, and conveniently Replacement is repaired, the left end of main shaft is placed in the inside of inner cylinder, and the right end of outer barrel is fixedly connected with discharging flange, and discharge flange Center is equipped with circular through hole, discharging stationary ring is fixedly connected with inside through-hole, it is dynamic that discharging stationary ring and key are linked at the discharging on main shaft Ring cooperation when equipment operation, when main shaft reaches setting speed, discharges and forms non-contact seals, object between stationary ring and discharging rotating ring Material can only flow to left side from right side, and when equipment is static, abrasive media be will not flow out, and facilitates ground material being sent to right side Discharge port bottom is equipped with mechanical seal between grinding drum and the opposite one side of bearing block, prevent lapping liquid and material powders from entering In bearing block, the rotation of main shaft is influenced, the Duan Shangjian chain that the main shaft is located at inner cylinder is connected to grinding rotor, sieve, discharging Turbine one and discharging turbine two, for grinding material screening, and by the material after grinding from discharging stationary ring and discharging rotating ring Discharge, the discharging turbine one and discharging turbine two be it is discoid, sieve is fixed on discharging turbine one between the turbine two that discharges At inner ring, discharging turbine one and discharging turbine two are fixed together by positioning pin, and it is right that discharging turbine two is located at discharging turbine one Side discharges and is driven between turbine one and discharging turbine two and main shaft by flat key, outside discharging turbine one and discharging turbine two side faces Be equipped with blade, through-hole be equipped between blade, material enters from discharging turbine one side through-hole, by centrifugal force by material get rid of to Sieve screening can not be discharged by the material of sieve from discharging turbine two side faces through-hole, since sieve is not contacted with abrasive media, Reduce the abrasion of sieve, the side inner ring of discharging turbine two is uniformly distributed there are four through-hole, so that by the material of sieve from going out The corresponding side through-hole discharge of discharging rotating ring is entered through at material turbine two, key chain is connected to multiple grinding rotors on main shaft left end, It is separated between grinding rotor by axle sleeve, is threadably secured at the top of the left end of main shaft and is connected with rotor gland, for that will grind Rotor is fixed, and grinding rotor is by spindle drive, for driving abrasive media to rotate, to material be ground, the discharge port It is arranged in grinding drum right end, for connecting the feeding inlet of feed pump, so that material circular grinding in grinding drum.

As a further solution of the present invention: the liquid interface that exchanges heat on the outer barrel, for connecting water circulating pump, with A large amount of heat affecting product quality caused by anti-cylinder internal cause material, abrasive media and grinding rotor phase mutual friction, and because being sent into Slurry condensation so that mobility reduce and influence grinding efficiency.

As a further solution of the present invention: the cylinder cap right side is equipped with annular groove, for fixing inner cylinder.

Damping device is equipped between the driving motor and bearing block as a further solution of the present invention, is subtracted Mechanical fatigue caused by the vibration of few driving motor, extends service life of equipment.

Compared with prior art, the utility model has the beneficial effects that grinding efficiency increases, because discharging device is close to main Axis, when equipment operation, partial size larger particles can not be flowed out close to inner barrel, only reach certain fineness, could be flowed out, Capacity usage ratio is high, and former discharging device is on cylinder, and bulky grain easily flows out, and fine grained is not easy to flow out, energy utilization Rate is low, sieve long service life, because sieve is fixed on inside turbine, sieve is not contacted with abrasive media, do not worn

The mechanical seal service life is long, there is one of non-contact seals before mechanical seal, and abrasive media contacts not with mechanical seal It arrives, good product consistency, because only that reaching certain partial size material could flow out, therefore homogeneity of product is more preferable, product quality Stablize, because equipment there is no vulnerable part, equipment will not be dismantled substantially, generally will not product waste water for environmental protection.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that efficient performance stablizes sand mill；

Fig. 2 is the structural schematic diagram that efficient performance stablizes sieve in sand mill；

Fig. 3 is the structural schematic diagram that efficient performance stablizes the turbine one that discharges in sand mill；

Fig. 4 is the structural schematic diagram that efficient performance stablizes the turbine two that discharges in sand mill；

Fig. 5 is the structural schematic diagram that efficient performance stablizes the rotating ring that discharges in sand mill；

Fig. 6 is the structural schematic diagram that efficient performance stablizes the stationary ring that discharges in sand mill.

In figure: lower margin 1, rack 2, sewage draining exit 3, cylinder cap 4, feed inlet 5, grinding rotor 6, electro connecting pressure gauge 7, outer barrel 8, inner cylinder 9, rotor gland 10, axle sleeve 11, main shaft 12, sieve 13, discharging turbine 1, discharging turbine 2 15, discharging rotating ring 16, discharge stationary ring 17, discharging flange 18, discharge port 19, mechanical seal 20, bearing block 21, driving motor 22.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~6, in the utility model embodiment, a kind of efficient performance stablizes sand mill, including lower margin 1, rack 2, sewage draining exit 3, cylinder cap 4, feed inlet 5, grinding rotor 6, electro connecting pressure gauge 7, outer barrel 8, inner cylinder 9, rotor gland 10, axis Set 11, main shaft 12, sieve 13, discharging turbine 1, discharging turbine 2 15, discharging rotating ring 16, discharging stationary ring 17, discharging flange 18, discharge port 19, mechanical seal 20, bearing block 21 and driving motor 22, the rack 2 are the main body rack of sand mill, rack 2 Bottom surface be fixedly connected there are six lower margin 1, lower margin 1 is that bolt is fixedly connected in the bolt block of 2 bottom surface of rack setting, for branch Support and grinding machine, and rack 2 can be adjusted by rotation bolt and balanced, the top surface right end of rack 2 is fixedly connected with 21 He of bearing block Transmission case, the right side of bearing block 21 are fixedly connected with the left side of transmission case, and 21 two sides center of bearing block is slided by bearing The right end of main shaft 12 is connected, the right end of main shaft 12 passes through bearing block 21 and protrudes into transmission case, and 12 right end of main shaft is located in transmission case Part key chain be connected to pulley concial disk, by the output end of V-belt and driving motor 22, driving motor 22 is fixedly connected on The top of bearing block 21 drives main shaft 12 to rotate by V-belt, so that grinding rotor 6 be driven to rotate, material enters from left side, Material in inner barrel speed, gradually successively decrease by 12 direction from inner barrel to main shaft, speed, when material reaches filter device position When, material particular diameter work inner barrel direction to major axes orientation, by successively decreasing greatly, the smaller material of partial size is easy to flow particle size distribution Out, large-size particles are not easy to flow out, and the grinding rotor 6 is located at inner barrel, and cylinder is made of outer barrel 8 and inner cylinder 9, The outer barrel 8 is fixedly connected on the left of the top surface of rack 2, is cylindrical body barreled, and 8 inner wall of outer barrel is evenly distributed with multiple tracks rib Plate, for enhancing institutional framework and heat dissipation, 8 left end of outer barrel has been bolted to connection cylinder cap 4, and the cylinder cap 4 is disk Shape, for cleaning inner barrel and maintenance grinding rotor 6, the left side top surface of cylinder cap 4 is fixedly connected with feed inlet 5, and feed inlet 5 is logical Feed pump connection discharge port and inner barrel are crossed, is ground for feedstock transportation to sand mill inner barrel will to be ground, feed inlet 5 Corner is equipped with electro connecting pressure gauge 7, and for incuding and monitoring sand mill internal pressure, the left side bottom surface of cylinder cap 4 is equipped with blowdown Mouth 3, for clearing up inner barrel, discharge grinding waste material, the inner cylinder 9 is fastened on the inside of outer barrel 8 by interference, For contacting with abrasive media and grinding raw material, and repairing is facilitated to replace, the left end of main shaft 12 is placed in the interior of inner cylinder 9 Portion, the right end of outer barrel 8 are fixedly connected with discharging flange 18, and discharging 18 center of flange is equipped with circular through hole, fixes inside through-hole It is connected with discharging stationary ring 17, discharging stationary ring 17 and key are linked at the cooperation of the discharging rotating ring 16 on main shaft 12, when equipment operation, main shaft 12 when reaching setting speed, discharges and forms non-contact seals between stationary ring 17 and discharging rotating ring 16, material can only be flowed to from right side Left side, when equipment is static, abrasive media be will not flow out, and facilitates ground material being sent to right side 19 bottom of discharge port, grind It is equipped with mechanical seal 20 between grinding barrel and the opposite one side of bearing block 21, prevents lapping liquid and material powders from entering bearing block 21 In, the rotation of main shaft 12 is influenced, the Duan Shangjian chain that the main shaft 12 is located at inner cylinder 9 is connected to grinding rotor 6, sieve 13, goes out Expect turbine 1 and discharging turbine 2 15, from discharging stationary ring 17 and discharges for grinding material screening, and by the material after grinding The place of rotating ring 16 is discharged, the discharging turbine 1 and discharging turbine 2 15 be it is discoid, sieve 13 is fixed on the turbine one that discharges Between 14 and discharging turbine 2 15 at inner ring, discharging turbine 1 and discharging turbine 2 15 are fixed together by positioning pin, out Expect that turbine 2 15 is located at one 14 right side of discharging turbine, discharges and pass through flat key between turbine 1 and discharging turbine 2 15 and main shaft 12 Blade is equipped with outside transmission, discharging turbine 1 and discharging 2 15 side of turbine, is equipped with through-hole between blade, and material is from the whirlpool that discharges The entrance of one 14 side through-holes is taken turns, material is got rid of to sieve 13 by centrifugal force and is screened, it can not be by the material of sieve 13 from discharging The discharge of 2 15 side through-hole of turbine reduces the abrasion of sieve 13 since sieve 13 is not contacted with abrasive media, and discharge turbine 2 15 Side inner ring be uniformly distributed there are four through-hole so that the material by sieve 13 enters through discharging from the turbine 2 15 that discharges The corresponding side through-hole of rotating ring 16 is discharged, and key chain is connected to multiple grinding rotors 6 on 12 left end of main shaft, passes through between grinding rotor 6 Axle sleeve 11 separates, and is threadably secured at the top of the left end of main shaft 12 and is connected with rotor gland 10, for grinding rotor 6 is fixed, Grinding rotor 6 is driven by main shaft 12, and for driving abrasive media to rotate, so that material be ground, the discharge port 19 is arranged In grinding drum right end, for connecting the feeding inlet of feed pump, so that material circular grinding in grinding drum.

Preferably, exchange heat liquid interface on the outer barrel 8, for connecting water circulating pump, to prevent cylinder internal cause material, grinding medium A large amount of heat affecting product quality caused by matter and grinding rotor phase mutual friction, and because the slurry of feeding condenses so that mobility It reduces and influences grinding efficiency.

Preferably, 4 right side of cylinder cap is equipped with annular groove, for fixing inner cylinder 9.

Preferably, it is equipped with damping device between the driving motor 22 and bearing block 21, reduces the vibration of driving motor 22 Caused by mechanical fatigue, extend service life of equipment.

The working principle of the utility model is: first start driving motor, when driving motor reaches certain revolving speed, start into Material pump, feed pump feed inlet connection right side discharge port, makes the control of grinding drum internal pressure in a certain range, avoids inside grinding drum The excessive increase apparatus of load of pressure, reduces energy consumption, and driving motor 22 is fixedly connected on the top of bearing block 21, passes through V-belt band Dynamic main shaft 12 rotates, so that grinding rotor 6 be driven to rotate, material enters from left side, and material is in inner barrel speed out of cylinder Portion to 12 direction of main shaft, speed are gradually successively decreased, and when material reaches filter device position, material particular diameter work inner barrel direction is arrived Major axes orientation, particle size distribution is by successively decreasing greatly, and the smaller material of partial size is easy to flow out, and large-size particles are not easy to flow out, if When received shipment turns, when main shaft 12 reaches setting speed, discharges and form non-contact seals between stationary ring 17 and discharging rotating ring 16, material is only Left side can be flowed to from right side, when equipment is static, abrasive media be will not flow out, and facilitates ground material being sent to right side discharging 19 bottoms of mouth, circular grinding.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (4)

1. a kind of efficient performance stablizes sand mill, including lower margin, rack, sewage draining exit, cylinder cap, feed inlet, grinding rotor, electric contact Pressure gauge, outer barrel, inner cylinder, rotor gland, axle sleeve, main shaft, sieve, discharging turbine one, discharging turbine two, discharging rotating ring, Discharge stationary ring, discharging flange, discharge port, mechanical seal, bearing block and driving motor, which is characterized in that the rack is to be sanded The main body rack of machine, the bottom surface of rack are fixedly connected there are six lower margin, and lower margin is that bolt is fixedly connected on the setting of rack bottom surface In bolt block, the top surface right end of rack is fixedly connected with bearing block and transmission case, and the right side of bearing block is fixedly connected with transmission case Left side, bearing block two sides center is slidably connected the right end of main shaft by bearing, and the right end of main shaft is protruded into across bearing block In transmission case, main shaft right end is located at the part key chain in transmission case and is connected to pulley concial disk, passes through V-belt and driving motor Output end, driving motor are fixedly connected on the top of bearing block, and the grinding rotor is located at inner barrel, cylinder by outer barrel and Inner cylinder composition, the outer barrel are fixedly connected on the left of the top surface of rack, are cylindrical body barreled, and outer barrel inner wall is uniformly distributed Have a multiple tracks floor, outer barrel left end has been bolted to connection cylinder cap, the cylinder cap be it is discoid, the left side top surface of cylinder cap is solid Surely it is connected with feed inlet, feed inlet connects discharge port and inner barrel by feed pump, and the corner of feed inlet is equipped with electric contact The left side bottom surface of pressure gauge, cylinder cap is equipped with sewage draining exit, and the inner cylinder is fastened on the inside of outer barrel, main shaft by interference Left end be placed in the inside of inner cylinder, the right end of outer barrel is fixedly connected with discharging flange, and discharging flange center is equipped with circle Through-hole, discharging stationary ring is fixedly connected with inside through-hole, and discharging stationary ring and key are linked at the cooperation of the discharging rotating ring on main shaft, grinding drum Mechanical seal is equipped between the opposite one side of bearing block, the Duan Shangjian chain that the main shaft is located at inner cylinder is connected to grinding turn Son, sieve, discharging turbine one and discharging turbine two, the discharging turbine one and discharging turbine two be it is discoid, sieve is fixed on It discharging between turbine one and discharging turbine two at inner ring, discharging turbine one and discharging turbine two are fixed together by positioning pin, The turbine two that discharges is located at one right side of discharging turbine, discharges and is driven between turbine one and discharging turbine two and main shaft by flat key, out It is equipped with blade outside material turbine one and discharging turbine two side faces, is equipped with through-hole between blade, the side inner ring for the turbine two that discharges is equal Even distribution is there are four through-hole, and key chain is connected to multiple grinding rotors on main shaft left end, is separated between grinding rotor by axle sleeve, main shaft Left end at the top of be threadably secured and be connected with rotor gland, grinding rotor is being ground by spindle drive, the discharge port setting Grinding barrel right end.

2. efficient performance according to claim 1 stablizes sand mill, which is characterized in that the liquid that exchanges heat on the outer barrel connects Mouthful.

3. efficient performance according to claim 1 stablizes sand mill, which is characterized in that the cylinder cap right side is equipped with ring Shape slot.

4. efficient performance according to claim 1 stablizes sand mill, which is characterized in that the driving motor and bearing block it Between be equipped with damping device.