CN213081941U - High-speed mixing and low-speed stirring cooling combined machine - Google Patents

Abstract

The utility model discloses a high-speed compounding and low-speed stirring cooling combination machine, include: high-speed blendor, low-speed stirring cooler, combination platform, high-speed blendor includes: the machine base is provided with a mixing barrel, and the mixing barrel is provided with a feed inlet, a main rotating shaft, a side main rotating shaft, a dust remover and a discharge sealing device; the main rotating shaft is provided with an upper stirring main slurry and a lower stirring main slurry, and the side main rotating shaft is provided with a side stirring slurry; the structure of the low-speed stirring cooler comprises: the device comprises a rack, wherein a barrel is arranged on the rack, a feed inlet, a discharge outlet and an inspection door are arranged on the barrel, a stirring shaft is arranged on the barrel, and a main paddle blade and an auxiliary paddle blade are arranged on the stirring shaft; the cylinder wall and the inspection door are respectively provided with an interlayer, a water inlet and a water outlet, and the water inlet of the inspection door is connected with the water outlet of the cylinder wall through a hose. The combined machine has the advantages of good mixing uniformity, short mixing time, high cooling efficiency, high dust removal effect, long service life and wide application range.

Description

High-speed mixing and low-speed stirring cooling combined machine

Technical Field

The utility model relates to a batching compounding equipment field, concretely relates to high-speed compounding and low-speed stirring cooling combination machine.

Background

PVC full-automatic batching compounding production line can divide into according to the function: the four main units of conveying, metering, mixing and control, wherein the mixing unit is a main process unit, are usually realized by a high-speed mixing and low-speed stirring cooling combined machine. During operation, the weighed main materials and the weighed auxiliary materials are firstly stirred and uniformly mixed in the high-speed mixer, and meanwhile, the materials are stirred and heated in the high-speed mixing process, so that the mixture with higher temperature can enter the next procedure after being stirred and rapidly cooled in the low-speed stirring cooler. The existing high-speed mixing and low-speed stirring and cooling combined machine generally has the following defects: firstly, stirring is carried out by adopting a stirring paddle with a simple structure during high-speed material mixing, and materials are stirred only in the radial direction, so that the defects of long material mixing time, low efficiency, uneven stirring, poor material mixing uniformity and the like exist; secondly, high-temperature dust gas generated in the inner cavity of the mixing barrel during high-speed mixing is discharged outwards after dust removal by a cloth bag type dust removal device generally, and the cloth bag type dust removal device has the defects that filter holes are easy to block and the filtering and dust removal effect is poor; the discharge port of the high-speed mixer is sealed by adopting a single-channel sealing gasket structure, so that the phenomena of poor sealing performance and easy leakage are caused; fourthly, the stirring paddle and the mixing barrel of the high-speed mixer are made of stainless steel, so that the defects of poor wear resistance and short service life are generally existed, and the high-speed mixer is especially not suitable for mixing occasions of materials with higher hardness; the low-speed stirring cooler generally has the defects of poor stirring effect and low material cooling efficiency, so that the production efficiency of the high-speed mixing and low-speed stirring cooling combined machine is lower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the high-speed mixing and low-speed stirring and cooling combined machine has the advantages of uniform material mixing, good dust removal effect, difficulty in material leakage, long service life and high production efficiency.

In order to solve the above problem, the utility model discloses the technical scheme who adopts does: high-speed compounding and low-speed stirring cooling combination machine includes: high-speed blendor, the low-speed stirring cooler that is located high-speed blendor below and be used for the reinforced and the combination platform of overhauing the maintenance of high-speed blendor, wherein, the structure of high-speed blendor includes: a machine base, a mixing barrel for mixing materials is fixedly arranged on the machine base, a discharge opening for discharging materials is arranged on the side wall of the lower part of the mixing barrel, a multi-seal discharging device for sealing or opening the discharge opening is arranged on the discharge opening, the mixing barrel is sealed by a barrel cover, a feed opening and a dust removal opening are arranged on the barrel cover, a high-temperature resistant film-covered pleated filter core pulse dust remover is arranged on the dust removal opening, a main rotating shaft which is vertically arranged through a bearing and can be sealed with the barrel bottom is arranged at the center of the bottom of the mixing barrel in a penetrating way, an upper main stirring paddle and a lower main stirring paddle are arranged on the main rotating shaft extending into the mixing barrel at intervals from top to bottom, a side rotating shaft which is horizontally arranged through a bearing is arranged on the side wall of the mixing barrel in a penetrating way, a side stirring paddle is arranged on the side rotating shaft extending into the mixing barrel, and both the main rotating shaft and the side rotating shaft are, alloying strengthening wear-resistant layers are arranged on the inner wall of the mixing barrel, the surfaces of the upper stirring main paddle, the lower stirring main paddle and the side stirring paddles; the structure of the low-speed stirring cooler comprises: a frame, a horizontal barrel for placing materials is arranged on the frame, a feed inlet and a discharge outlet are arranged on the side wall of the barrel, the feed inlet is positioned at the top of the barrel, the discharge outlet is positioned in the middle of the bottom of the barrel, a discharge port of a high-speed mixer is connected with the feed inlet of a low-speed stirring cooler through a discharge pipe, a stirring shaft arranged along the axial direction of the barrel is arranged on the barrel in a penetrating way, two ends of the stirring shaft are respectively arranged with the barrel through bearings, the stirring shaft can rotate under the driving of a motor arranged on the frame, an interlayer is arranged in the barrel wall of the barrel, a water channel for leading cooling water is arranged in the interlayer of the barrel wall, the materials in the barrel can be cooled through exchanging with the cooling water in the barrel wall, a barrel wall water inlet for leading cooling water into the water channel of the barrel wall and a barrel wall water outlet for discharging the water in the water, the method is characterized in that: a plurality of main mounting rods and a plurality of auxiliary mounting rods are axially mounted on the stirring shaft; the structure of each main installation rod all includes: the two long rods and the two first semi-rings can be locked and clasped on the stirring shaft through screw pairs, the inner ends of the two long rods and the two first semi-rings are respectively fixed one by one, and the two first semi-rings can be locked and clasped on the stirring shaft in pair to enable the two long rods to be assembled into a main mounting rod; the outer ends of the two long rods of each main mounting rod are respectively provided with a main paddle blade which inclines towards one end of the cylinder body; the structure of each auxiliary mounting rod comprises: the two short rods and the two second half rings can be locked and clasped on the stirring shaft through screw pairs, the inner ends of the two short rods and the two second half rings are respectively fixed in a one-to-one manner, and the two second half rings can be locked and clasped on the stirring shaft in a pair manner to enable the two short rods to be spliced into an auxiliary mounting rod; the outer ends of the two short rods of each auxiliary mounting rod are respectively provided with an auxiliary paddle; after the stirring shaft rotates, the main blades on the main mounting rods can stir materials close to the side wall of the cylinder, the auxiliary blades on the auxiliary mounting rods can stir the materials between the main blades and the stirring shaft, the main blades on one end of each main mounting rod can pull the materials in the cylinder to one end of the cylinder in a combined manner during stirring, and the main blades on the other end of each main mounting rod can pull the materials in the cylinder to the other end of the cylinder in a combined manner during stirring, so that the materials in the cylinder can move back and forth while being stirred, and the materials in the cylinder can be smoothly discharged from the discharge hole; the inspection door is characterized in that an inspection opening is formed in the side wall of the upper portion of the barrel body, an inspection door capable of sealing the inspection opening is arranged on the inspection opening, the upper portion of the inspection door is hinged to the barrel body, the inspection door can be turned upwards to be opened, the inspection door can be locked with the barrel body through a buckle mounted between the inspection door and the barrel body after being closed, a pressing plate is arranged at one end of the inspection door, a travel switch is arranged at the end portion of the barrel body on the side of the pressing plate, when the inspection door is closed, the pressing plate can be pressed to trigger the travel switch, a long-strip-shaped handle used for manually opening or closing the inspection door is further arranged on the inspection door, sealing strips capable of sealing gaps between the inspection door and the inspection opening when the inspection door is closed are arranged on the peripheral side wall of the inspection door, an interlayer is also arranged in the inspection door, a water channel used for passing cooling water is also arranged in the interlayer of the inspection door, and a door panel water inlet used The water outlet of the door plate, the water inlet of the door plate and the water outlet of the cylinder wall are connected through a hose, so that water in the water channel of the cylinder wall can enter the water channel of the inspection door.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: one of inspection door is served and is provided with a safety lever, the upper end of safety lever is articulated mutually with the inspection door, be provided with a draw-in groove on the lower extreme of safety lever, be provided with a safety pin on the barrel tip outside of safety lever place side, safety lever takes and leans on the safety pin, open along with the ascending upset of inspection door, safety lever can lean on the safety pin rebound, when the inspection door is opened and finishes, draw-in groove on the safety lever can just in time remove to the safety pin top, safety lever can make the safety pin card go into to the draw-in groove under the effect of self gravity down swing this moment, the safety pin just so can carry on spacingly through the safety lever to the inspection door, make the inspection door keep the state of opening, still be provided with a handle that is used for driving safety lever rebound and makes safety pin and draw-in groove break away from mutually on the safety lever.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the two ends of the cylinder body are respectively provided with an air cylinder, the bottoms of the two air cylinder bodies are respectively hinged with the rack, and the tops of the piston rods of the two air cylinders are respectively hinged with the two ends of the inspection door in a one-to-one manner, so that the piston rods of the two air cylinders can drive the inspection door to be upwards turned and opened after upwards extending.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the side wall of the cylinder body is also provided with an exhaust port which is positioned at the top of the cylinder body, and the exhaust port is provided with a pulse back-flushing dust remover.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the mounting structure between main paddle and the stock outer end does: the outer end of the long rod is provided with an installation plate, the installation plate is provided with a long hole, the main blade is provided with a threaded hole, a bolt penetrates through the long hole and can be fixed on the installation plate after being screwed into the threaded hole in the main blade, and the main blade can also adjust the gap between the main blade and the side wall of the barrel body by moving along the long hole after the bolt is loosened.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the shaft end seal structure between (mixing) shaft and the barrel includes: the sealing sleeve seat is arranged at the end of the cylinder in a penetrating manner, the shaft end of the stirring shaft penetrates through the sealing sleeve seat in a movable manner, a shaft sleeve matched with the sealing sleeve seat is sleeved on the shaft end of the stirring shaft in the sealing sleeve seat in a sealing manner, a first annular groove, a second annular groove and a third annular groove are sequentially arranged on the inner wall of the sealing sleeve seat from inside to outside, an annular air chamber used for sealing the gap between the shaft sleeve and the sealing sleeve seat is formed between the first annular groove and the shaft sleeve, an air inlet channel used for ventilating the annular air chamber is arranged in the sealing sleeve seat, a felt ring oil seal used for sealing the gap between the shaft sleeve and the sealing sleeve seat is arranged in the second annular groove, and an oil seal assembly used for sealing the gap between the shaft sleeve and the sealing.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the structure of the oil seal assembly is as follows: an inner skeleton type oil seal group, an oil filling ring and an outer skeleton type oil seal group are sequentially arranged in the third annular groove from inside to outside; the inner skeleton type oil seal group consists of three skeleton type oil seals which are axially laminated together and can seal the gap between the shaft sleeve and the sealing sleeve seat, the outer skeleton type oil seal group consists of two skeleton type oil seals which are axially laminated together and can seal the gap between the shaft sleeve and the sealing sleeve seat, an oil supply gap for supplying oil to the inner skeleton type oil seal group and the outer skeleton type oil seal group is reserved between the inner ring of the oil filling ring and the shaft sleeve, an annular oil groove is arranged on the outer ring of the oil filling ring, an annular oil cavity is formed between the annular oil groove and the sealing sleeve seat, a plurality of oil inlet holes communicated with the oil supply gap and the annular oil cavity are arranged on the oil filling ring along the circumferential direction, an oil inlet channel for supplying oil to the annular oil cavity is arranged on the sealing sleeve seat, and a retainer ring for a hole is arranged in the third annular groove and can axially and tightly push the inner skeleton type oil seal group, the oil filling ring and the outer skeleton type oil seal group in the third annular groove.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the two adjacent main mounting rods are vertical in different surfaces, and the side face, opposite to the side wall of the cylinder body, of the main blade is set into an arc shape which can be close to the side wall of the cylinder body.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the included angle between each main blade and the axial line of the stirring shaft is 25-35 degrees, and the clearance between each main blade and the inner side wall of the cylinder body is 1-4 mm.

Further, the aforesaid high-speed compounding and low-speed stirring cooling combination machine, wherein: the annular stirring areas of the main blades on the two adjacent main mounting rods are intersected, the length L = K S/N of each main blade, the length coefficient K is 1.2-1.3, S is the length of the cylinder, and N is half of the number of the main blades in the cylinder.

The utility model has the advantages that: the main rotating shaft and the side rotating shaft of the high-speed mixer are provided with the upper stirring main paddle, the lower stirring main paddle and the side stirring paddles which are different in structural combination form, so that the radial and axial bidirectional stirring of materials is realized, the mixing time can be greatly shortened, and the mixing uniformity of the materials is greatly improved. Secondly, a high-temperature-resistant film-coated pleated filter element pulse dust remover is arranged at a dust removing port of the high-speed mixer, so that dust-containing gas generated during high-speed mixing can be effectively filtered, the dust removing working efficiency is high, and the dust-free production environment is ensured; the discharge opening of the high-speed mixer is provided with a plurality of sealed discharge devices, so that the sealing effect is good, and the clean production is realized; the surfaces of the inner wall of the mixing barrel, the upper stirring main paddle, the lower stirring main paddle and the side stirring paddle of the high-speed mixer are provided with Al obtained after surface laser alloying treatment₂O₃The ceramic alloy strengthens the wear-resistant layer, so that the service life of the high-temperature mixer is prolonged, and the application range is widened; fifthly, in the low-speed stirring cooling machineThe main mounting rod and the auxiliary mounting rod adopt a two-half butt-joint structure, so that the mounting of the mounting rods is simple and convenient, and the mounting rods are convenient to disassemble, so that the cleaning, maintenance and repair of residual materials on the surfaces of the cylinder, the mounting rods and the blades are convenient; the mounting plate of the main blade is provided with the elongated hole, so that the gap between the main blade and the side wall of the cylinder can be timely adjusted within a reasonable interval according to the abrasion condition of the main blade, the thorough stirring of materials in the cylinder is ensured, and the materials in the cylinder can be discharged cleanly without residues during discharging; the cylinder body is provided with the pulse back-flushing type dust removal device, so that the dust removal capability is good, and the field environment is clean; the stirring capacity of the low-speed stirring cooler can be greatly improved by simultaneously stirring the main blade and the auxiliary blade, so that the flowability of the material can be improved, and the material cooling efficiency is improved; and ninthly, cooling the materials faster after cooling water is introduced into the barrel and the inspection door, so that the cooling efficiency of the low-speed stirring cooling machine is greatly improved, and the production efficiency of the combined machine is greatly improved.

Drawings

Fig. 1 is a schematic structural view of the high-speed mixing and low-speed stirring cooling combined machine of the present invention.

Fig. 2 is a schematic structural view of the high-speed mixer shown in fig. 1.

Fig. 3 is a schematic structural view of the low-speed stirring cooler shown in fig. 1.

Fig. 4 is a schematic top view of the low-speed stirring cooler shown in fig. 3.

Fig. 5 is a schematic right-view structural view of the low-speed stirring cooler shown in fig. 3.

Fig. 6 is a schematic view of the internal structure of the low-speed stirring cooler shown in fig. 3.

FIG. 7 is a schematic sectional view taken along line A-A in FIG. 6.

Fig. 8 is an enlarged schematic view of the structure at B in fig. 6.

Fig. 9 is an enlarged schematic view of the structure at C in fig. 7.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

As shown in fig. 1, the combined machine of high-speed mixing and low-speed stirring and cooling comprises: a high speed mixer 98, a low speed agitator cooler 99 located below the high speed agitator and a combination platform 100 for charging and servicing the high speed agitator, wherein: as shown in fig. 2, the high-speed mixer 98 is structured to include: a machine base 74, a mixing barrel 75 for mixing materials is fixedly arranged on the machine base 74, a discharge opening for discharging materials is arranged on the side wall of the lower part of the mixing barrel 75, a multi-seal discharging device for sealing or opening the discharge opening is arranged on the discharge opening, the mixing barrel is sealed by a barrel cover 76, a feed opening 01 and a dust removal opening are arranged on the barrel cover 76, a high temperature resistant film-wrapped pleated filter core pulse dust remover 77 is arranged on the dust removal opening, a main rotating shaft which is vertically arranged through a bearing and can be sealed with the barrel bottom is penetrated in the center of the bottom of the mixing barrel 75, an upper stirring main paddle 78 and a lower stirring main paddle 79 are arranged on the main rotating shaft extending into the mixing barrel 75 at intervals from top to bottom, a side rotating shaft horizontally arranged through the bearing is penetrated in the side wall of the mixing barrel 75, a side stirring paddle 97 is arranged on the side rotating shaft extending into the mixing barrel, the main rotating shaft and the side rotating shaft are driven to rotate by a motor arranged outside the mixing barrel 75, alloying strengthening wear-resistant layers are arranged on the inner wall of the mixing barrel 75, the surfaces of the upper stirring main paddle 78, the lower stirring main paddle 79 and the side stirring paddles 97; the upper main stirring paddle 78, the lower main stirring paddle 79 and the side stirring paddles 97 are arranged to stir the materials in the radial direction and the axial direction simultaneously, so that the materials can be mixed more uniformly; after the alloying strengthened wear-resistant layers are arranged on the inner wall of the mixing barrel 75, the surfaces of the upper stirring main paddle 78, the lower stirring main paddle 79 and the side stirring paddle 97, the wear resistance of parts can be improved, the service life of equipment is prolonged, and the production cost is saved; the high-speed mixer 98 is a vertical hot-mixing mixer with the name of 2020105216347, wherein a multi-seal discharging device corresponds to a side discharging sealing device in the vertical hot-mixing mixer; the dust remover on the dust removing port of the high-speed mixer 98 is named as a dust removing device for a high-speed hot mixer with the patent number of 202021308097X. As shown in fig. 3, 4, 5, 6, and 7, the low-speed stirring cooler 99 includes: the material mixing machine comprises a frame 21, a barrel body 1 which is horizontally arranged and used for placing materials is arranged on the frame 21, a feed inlet 11 and a discharge outlet 12 are arranged on the side wall of the barrel body 1, the feed inlet 11 is positioned at the top of the barrel body 1, the discharge outlet 12 is positioned in the middle of the bottom of the barrel body 1, a discharge port of a high-speed mixer 98 is connected with the feed inlet 12 of a low-speed stirring cooler 99 through a discharge pipe 96, a stirring shaft 2 which is axially arranged along the barrel body 1 is arranged on the barrel body 1 in a penetrating manner, two ends of the stirring shaft 2 are respectively installed with the barrel body 1 through bearings, the stirring shaft 2 can rotate under the driving of a motor 22 arranged on the frame 21, an interlayer is arranged in the barrel wall of the barrel body 1, a water channel for introducing cooling water is arranged in the interlayer of the barrel wall, the material in the barrel body 1 can be cooled through heat exchange with the cooling water in the barrel wall, a barrel wall water inlet 23 for introducing the cooling water into In the present embodiment, two cylinder wall water inlets 23 and two cylinder wall water outlets 24 are provided; three main mounting rods 3 and two auxiliary mounting rods 4 are axially mounted on the stirring shaft 2; the structure of each main mounting rod 3 includes: the two long rods 31 and the two first semi-rings 32 can be locked and clasped on the stirring shaft 2 through screws, the inner ends of the two long rods 31 and the two first semi-rings 32 are respectively fixed one by one, and the two long rods 31 can be spliced into the main mounting rod 3 after the two first semi-rings 32 are locked and clasped on the stirring shaft 2; the outer ends of the two long rods 31 of each main mounting rod 3 are respectively provided with a main paddle 5 which inclines towards one end of the cylinder body 1; each sub mount lever 4 has a structure including: the two short rods 41 and the two second half rings 42 can be locked and clasped on the stirring shaft 2 through screws, the inner ends of the two short rods 41 and the two second half rings 42 are respectively fixed one by one, and the two second half rings 42 can be locked and clasped on the stirring shaft 2 to enable the two short rods 41 to be paired and spliced into the auxiliary mounting rod 4; the outer ends of the two short rods 41 of each auxiliary mounting rod 4 are respectively provided with an auxiliary paddle 6; after the stirring shaft 2 is driven by the motor 22 to rotate, the main blades 5 on the main mounting rods 3 can stir materials close to the side wall of the cylinder body 1, the auxiliary blades 6 on the auxiliary mounting rods 4 can stir the materials between the main blades 5 and the stirring shaft 2, the main blades 5 on one end of each main mounting rod 3 can pull the materials in the cylinder body 1 to one end of the cylinder body 1 in a combined manner during stirring, and the main blades 5 on the other end of each main mounting rod 3 can pull the materials in the cylinder body 1 to the other end of the cylinder body 1 in a combined manner during stirring, so that the materials in the cylinder body 1 can move back and forth while being stirred, and the materials in the cylinder body 1 can be smoothly discharged from the discharge port 12; an inspection opening is formed in the side wall of the upper part of the barrel 1, an inspection door 51 capable of sealing the inspection opening is arranged on the inspection opening, the inspection door 51 is arc-shaped, and after the inspection door 51 is closed, the arc-shaped inner wall of the inspection door 51 can fill the inner wall of the barrel 1; the upper part of the inspection door 51 is hinged with the barrel 1, so that the inspection door 51 can be turned upwards to be opened, the inspection door 51 can be locked with the barrel 1 through five buckles 92 arranged between the inspection door 51 and the barrel 1 after being closed, a pressing plate 93 is arranged at one end of the inspection door 51, a travel switch 94 is arranged at the end part of the barrel 1 on the side of the pressing plate 93, and when the inspection door 51 is closed, the pressing plate 93 can be pressed to trigger the travel switch 94. The travel switch 94 is connected with a controller of the low-speed stirring cooler, and when the inspection door 51 is closed and the travel switch 94 is triggered, the controller enables the stirring shaft 2 to rotate; the inspection door 51 is also provided with a long-strip-shaped handle 58 for manually opening or closing the inspection door 51, and the side walls on the periphery of the inspection door 51 are provided with sealing strips capable of sealing a gap between the inspection door 51 and the inspection opening when being closed; an interlayer is also arranged in the inspection door 51, a water channel for introducing cooling water is also arranged in the interlayer of the inspection door 51, and the cooling efficiency of the material can be improved after the cooling water is also introduced into the inspection door 51; the inspection door 51 is provided with a door plate water inlet 52 for introducing cooling water into a water passage therein and a door plate water outlet 53 for discharging water in the water passage therein, and the door plate water inlet 52 and one of the drum wall water outlets 24 are connected by a hose 54 so that water in the water passage of the drum wall can enter the water passage of the inspection door 51.

In the embodiment, the included angle alpha between each main blade 5 and the axial line of the stirring shaft 2 is 25-35 degrees, preferably 30 degrees, and the gap between each main blade 5 and the inner side wall of the cylinder 1 is 1-4 mm; the annular stirring areas of the main blades 5 on each two adjacent main mounting rods 3 are intersected, so that a neutral position which cannot be stirred by the main blades 5 exists between the main blades 5 on the two adjacent main mounting rods 3; the length L = K S/N of each main blade 5, the length coefficient K is 1.2-1.3, S is the length of the cylinder 1, and N is half of the number of 5 main blades in the cylinder 1.

In the present embodiment, each of the adjacent two main mounting bars 3 are out-of-plane vertical. This is done to ensure that the stirring is continuous. The side surface of the main blade 5 opposite to the side wall of the cylinder 1 is set into an arc shape which can be close to the side wall of the cylinder 1. The setting is so for making main paddle 5 can more press close to 1 inside wall of barrel and stir for the material can be stirred more fully. In this embodiment, a spare port 19 is further provided on the cylinder 1, the spare port 19 is located at the top of the cylinder 1, and the spare port 19 is normally closed.

As shown in fig. 5, a safety lever 61 is provided at one end of the inspection door 51, the upper end of the safety lever 61 is hinged with the inspection door 51, a catching groove 62 is formed at the lower end of the safety lever 61, a safety pin 63 is formed at the outer side of the end of the cylinder 1 on the side of the safety lever 61, the safety lever 61 abuts on the safety pin 63, and as the inspection door 51 is turned upward and opened, the safety lever 61 moves upward against the safety pin 63, when the inspection door 51 is completely opened, the locking groove 62 on the safety lever 61 can move right above the safety pin 63, at this time, the safety lever 61 can swing downwards under the action of self gravity to lock the safety pin 63 into the locking groove 62, so that the safety pin 63 can limit the inspection door 51 by the safety lever 61, so that the inspection door 51 maintains an opened state, a handle 64 for driving the safety lever 61 to swing upward to disengage the safety pin 63 from the catching groove 62 is further provided on the safety lever 61. Thus, the inspection door 51 can be prevented from being accidentally closed to hurt a person. When a worker closes the inspection door 51, the worker must disengage the safety pin 63 from the catch 62 by the handle 64 and then close the inspection door 51.

The two ends of the barrel 1 are respectively provided with one air cylinder 91, the bottoms of the cylinder bodies of the two air cylinders 91 are respectively hinged with the rack 21, and the tops of the piston rods of the two air cylinders 91 are respectively hinged with the two ends of the inspection door 51 in a one-to-one manner, so that the piston rods of the two air cylinders 91 can drive the inspection door 51 to be upwards turned and opened after upwards extending. This is done to reduce labor intensity.

An exhaust port 13 is further arranged on the side wall of the cylinder body 1, the exhaust port 13 is positioned at the top of the cylinder body 1, and a pulse recoil type dust remover 14 is mounted on the exhaust port 13. In order to smoothly pour the material into the cylinder 1, an exhaust port 13 is provided on the cylinder 1, but the material is partially lifted when poured into the cylinder 1, so a pulse back-flushing type dust collector 14 capable of collecting the lifted material by dust removal and making the material fall into the cylinder 1 by back-flushing is provided on the exhaust port 13.

As shown in fig. 9, the mounting structure between the main blade 5 and the outer end of the long rod 31 is: the outer end of the long rod 31 is provided with a mounting plate 7, the mounting plate 7 is provided with a long hole, the main blade 5 is provided with a threaded hole 72, a bolt 73 penetrates through the long hole and is screwed into the threaded hole 72 on the main blade 5, the main blade 5 can be fixed on the mounting plate 7, and the main blade 5 can also adjust the gap between the main blade 5 and the side wall of the barrel body 1 by moving along the long hole after the bolt 73 is loosened.

As shown in fig. 8, the shaft end sealing structure between both ends of the stirring shaft 2 and the barrel 1 includes: the sealing sleeve seat 8 is arranged at the end of the barrel body 1 in a penetrating mode, the shaft end of the stirring shaft 2 penetrates through the sealing sleeve seat 8 in a movable mode, a shaft sleeve 81 matched with the sealing sleeve seat 8 is sleeved on the shaft end of the stirring shaft 2 in the sealing sleeve seat 8 in a sealing mode, a first annular groove, a second annular groove and a third annular groove are sequentially arranged on the inner wall of the sealing sleeve seat 8 from inside to outside, an annular air chamber 82 used for sealing a gap between the shaft sleeve 81 and the sealing sleeve seat 8 is formed between the first annular groove and the shaft sleeve 81, an air inlet channel 83 used for ventilating the annular air chamber 82 is arranged in the sealing sleeve seat 8, a felt ring oil seal 84 used for sealing the gap between the shaft sleeve 81 and the sealing sleeve seat 8 is arranged in the second annular groove, and an oil seal assembly used for sealing the gap between the shaft sleeve 81 and the.

The structure of the oil seal assembly is as follows: an inner skeleton type oil seal group 9, an oil filling ring 87 and an outer skeleton type oil seal group 10 are sequentially arranged in the third annular groove from inside to outside; the inner skeleton type oil seal group 9 is composed of three skeleton type oil seals which are axially laminated together and can seal a gap between the shaft sleeve 81 and the seal sleeve seat 8, the outer skeleton type oil seal group 10 is composed of two skeleton type oil seals which are axially laminated together and can seal a gap between the shaft sleeve 81 and the seal sleeve seat 8, an oil supply gap 871 used for supplying oil to the inner skeleton type oil seal group 9 and the outer skeleton type oil seal group 10 is reserved between the inner ring of the oil filling ring 87 and the shaft sleeve 81, an annular oil groove is arranged on the outer ring of the oil filling ring 87, an annular oil cavity 872 is formed between the annular oil groove and the seal sleeve seat 8, a plurality of oil inlet holes communicating the oil supply gap 871 with the annular oil cavity 872 are circumferentially arranged on the oil filling ring 87, and an oil inlet channel 86 used for supplying oil to the annular oil cavity 872 is arranged on the seal sleeve seat. The framework type oil seal assembly is simple in structure and convenient to install and maintain.

In the present embodiment, a hole retainer ring 85 capable of axially abutting the inner skeleton type oil seal group 9, the filler ring 87, and the outer skeleton type oil seal group 10 against the third annular groove is provided in the third annular groove. Therefore, the inner skeleton type oil seal group 9, the oil filling ring 87 and the outer skeleton type oil seal group 10 can be effectively prevented from generating axial movement in the third annular groove in the rotation process of the stirring shaft 2, and the stability of shaft end sealing is greatly improved.

The shaft end sealing structure has the advantages that: (1) the structure is simple, the installation and the maintenance are convenient, the sealing effect is good, and the leakage of materials from a gap between the stirring shaft and the cylinder to the outside of the cylinder can be effectively prevented when the materials are mixed; (2) through the arrangement of the air chamber, materials can be effectively prevented from entering a gap between the shaft sleeve and the sealing sleeve seat, and the materials entering the gap between the shaft sleeve and the sealing sleeve seat can be blown back into the barrel body; (3) the felt ring oil seal is arranged above the oil seal assembly, so that the sealing property between the shaft sleeve and the sealing sleeve seat can be further improved, and the material can be prevented from falling into the oil seal assembly to pollute lubricating oil; (4) the oil seal assembly adopts the arrangement mode of the inner framework type oil seal group, the oiling ring and the outer framework type oil seal group, can ensure that each framework type oil seal is uniformly oiled, and can ensure that the sealing effect of the framework type oil seal assembly is always kept optimal by periodically adding lubricating oil.

The working process of the combined machine is as follows: the main materials and the auxiliary materials which are weighed and measured are automatically fed or manually fed on a combined platform 100 through a feeding port 01 arranged on a barrel cover 76 of a high-speed mixer 98, the materials in the mixing barrel 75 are stirred and mixed through the rotation of an upper stirring main paddle 78, a lower stirring main paddle 79 and a side stirring paddle 97 in the high-speed mixer 98 under the drive of a motor, a multi-seal discharging device is opened after the materials are uniformly mixed, so that the mixed materials are discharged from a discharging port of the high-speed mixer 98 and enter a barrel body 1 of a low-speed stirring cooler 99 through a discharging port, a stirring shaft 2 arranged in the barrel body 1 drives a main paddle 5 and an auxiliary paddle 6 to rotate under the drive of a motor 22 to stir the mixed materials, so that the mixed materials can be cooled through the heat exchange with cooling water in a barrel wall and an interlayer of an inspection door 51, and after the mixed materials are cooled, the discharge valve on the discharge port 12 of the low-speed stirring cooler 99 is opened, so that the cooled mixture is discharged.

Claims (10)

1. High-speed compounding and low-speed stirring cooling combination machine includes: high-speed blendor, the low-speed stirring cooler that is located high-speed blendor below and be used for the reinforced and the combination platform of overhauing the maintenance of high-speed blendor, wherein, the structure of high-speed blendor includes: a machine base, a mixing barrel for mixing materials is fixedly arranged on the machine base, a discharge opening for discharging materials is arranged on the side wall of the lower part of the mixing barrel, a multi-seal discharging device for sealing or opening the discharge opening is arranged on the discharge opening, the mixing barrel is sealed by a barrel cover, a feed opening and a dust removal opening are arranged on the barrel cover, a high-temperature resistant film-covered pleated filter core pulse dust remover is arranged on the dust removal opening, a main rotating shaft which is vertically arranged through a bearing and can be sealed with the barrel bottom is arranged at the center of the bottom of the mixing barrel in a penetrating way, an upper main stirring paddle and a lower main stirring paddle are arranged on the main rotating shaft extending into the mixing barrel at intervals from top to bottom, a side rotating shaft which is horizontally arranged through a bearing is arranged on the side wall of the mixing barrel in a penetrating way, a side stirring paddle is arranged on the side rotating shaft extending into the mixing barrel, and both the main rotating shaft and the side rotating shaft are, alloying strengthening wear-resistant layers are arranged on the inner wall of the mixing barrel, the surfaces of the upper stirring main paddle, the lower stirring main paddle and the side stirring paddles; the structure of the low-speed stirring cooler comprises: a frame, a horizontal barrel for placing materials is arranged on the frame, a feed inlet and a discharge outlet are arranged on the side wall of the barrel, the feed inlet is positioned at the top of the barrel, the discharge outlet is positioned in the middle of the bottom of the barrel, a discharge port of a high-speed mixer is connected with the feed inlet of a low-speed stirring cooler through a discharge pipe, a stirring shaft arranged along the axial direction of the barrel is arranged on the barrel in a penetrating way, two ends of the stirring shaft are respectively arranged with the barrel through bearings, the stirring shaft can rotate under the driving of a motor arranged on the frame, an interlayer is arranged in the barrel wall of the barrel, a water channel for leading cooling water is arranged in the interlayer of the barrel wall, the materials in the barrel can be cooled through exchanging with the cooling water in the barrel wall, a barrel wall water inlet for leading cooling water into the water channel of the barrel wall and a barrel wall water outlet for discharging the water in the water, the method is characterized in that: a plurality of main mounting rods and a plurality of auxiliary mounting rods are axially mounted on the stirring shaft; the structure of each main installation rod all includes: the two long rods and the two first semi-rings can be locked and clasped on the stirring shaft through screw pairs, the inner ends of the two long rods and the two first semi-rings are respectively fixed one by one, and the two first semi-rings can be locked and clasped on the stirring shaft in pair to enable the two long rods to be assembled into a main mounting rod; the outer ends of the two long rods of each main mounting rod are respectively provided with a main paddle blade which inclines towards one end of the cylinder body; the structure of each auxiliary mounting rod comprises: the two short rods and the two second half rings can be locked and clasped on the stirring shaft through screw pairs, the inner ends of the two short rods and the two second half rings are respectively fixed in a one-to-one manner, and the two second half rings can be locked and clasped on the stirring shaft in a pair manner to enable the two short rods to be spliced into an auxiliary mounting rod; the outer ends of the two short rods of each auxiliary mounting rod are respectively provided with an auxiliary paddle; after the stirring shaft rotates, the main blades on the main mounting rods can stir materials close to the side wall of the cylinder, the auxiliary blades on the auxiliary mounting rods can stir the materials between the main blades and the stirring shaft, the main blades on one end of each main mounting rod can pull the materials in the cylinder to one end of the cylinder in a combined manner during stirring, and the main blades on the other end of each main mounting rod can pull the materials in the cylinder to the other end of the cylinder in a combined manner during stirring, so that the materials in the cylinder can move back and forth while being stirred, and the materials in the cylinder can be smoothly discharged from the discharge hole; the inspection door is characterized in that an inspection opening is formed in the side wall of the upper portion of the barrel body, an inspection door capable of sealing the inspection opening is arranged on the inspection opening, the upper portion of the inspection door is hinged to the barrel body, the inspection door can be turned upwards to be opened, the inspection door can be locked with the barrel body through a buckle mounted between the inspection door and the barrel body after being closed, a pressing plate is arranged at one end of the inspection door, a travel switch is arranged at the end portion of the barrel body on the side of the pressing plate, when the inspection door is closed, the pressing plate can be pressed to trigger the travel switch, a long-strip-shaped handle used for manually opening or closing the inspection door is further arranged on the inspection door, sealing strips capable of sealing gaps between the inspection door and the inspection opening when the inspection door is closed are arranged on the peripheral side wall of the inspection door, an interlayer is also arranged in the inspection door, a water channel used for passing cooling water is also arranged in the interlayer of the inspection door, and a door panel water inlet used The water outlet of the door plate, the water inlet of the door plate and the water outlet of the cylinder wall are connected through a hose, so that water in the water channel of the cylinder wall can enter the water channel of the inspection door.

2. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1, characterized in that: one of inspection door is served and is provided with a safety lever, the upper end of safety lever is articulated mutually with the inspection door, be provided with a draw-in groove on the lower extreme of safety lever, be provided with a safety pin on the barrel tip outside of safety lever place side, safety lever takes and leans on the safety pin, open along with the ascending upset of inspection door, safety lever can lean on the safety pin rebound, when the inspection door is opened and finishes, draw-in groove on the safety lever can just in time remove to the safety pin top, safety lever can make the safety pin card go into to the draw-in groove under the effect of self gravity down swing this moment, the safety pin just so can carry on spacingly through the safety lever to the inspection door, make the inspection door keep the state of opening, still be provided with a handle that is used for driving safety lever rebound and makes safety pin and draw-in groove break away from mutually on the safety lever.

3. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1 or 2, characterized in that: the two ends of the cylinder body are respectively provided with an air cylinder, the bottoms of the two air cylinder bodies are respectively hinged with the rack, and the tops of the piston rods of the two air cylinders are respectively hinged with the two ends of the inspection door in a one-to-one manner, so that the piston rods of the two air cylinders can drive the inspection door to be upwards turned and opened after upwards extending.

4. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1 or 2, characterized in that: the side wall of the cylinder body is also provided with an exhaust port which is positioned at the top of the cylinder body, and the exhaust port is provided with a pulse back-flushing dust remover.

5. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1 or 2, characterized in that: the mounting structure between main paddle and the stock outer end does: the outer end of the long rod is provided with an installation plate, the installation plate is provided with a long hole, the main blade is provided with a threaded hole, a bolt penetrates through the long hole and can be fixed on the installation plate after being screwed into the threaded hole in the main blade, and the main blade can also adjust the gap between the main blade and the side wall of the barrel body by moving along the long hole after the bolt is loosened.

6. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1 or 2, characterized in that: the shaft end seal structure between (mixing) shaft and the barrel includes: the sealing sleeve seat is arranged at the end of the cylinder in a penetrating manner, the shaft end of the stirring shaft penetrates through the sealing sleeve seat in a movable manner, a shaft sleeve matched with the sealing sleeve seat is sleeved on the shaft end of the stirring shaft in the sealing sleeve seat in a sealing manner, a first annular groove, a second annular groove and a third annular groove are sequentially arranged on the inner wall of the sealing sleeve seat from inside to outside, an annular air chamber used for sealing the gap between the shaft sleeve and the sealing sleeve seat is formed between the first annular groove and the shaft sleeve, an air inlet channel used for ventilating the annular air chamber is arranged in the sealing sleeve seat, a felt ring oil seal used for sealing the gap between the shaft sleeve and the sealing sleeve seat is arranged in the second annular groove, and an oil seal assembly used for sealing the gap between the shaft sleeve and the sealing.

7. The combination machine of high-speed mixing and low-speed stirring cooling as set forth in claim 6 is characterized in that: the structure of the oil seal assembly is as follows: an inner skeleton type oil seal group, an oil filling ring and an outer skeleton type oil seal group are sequentially arranged in the third annular groove from inside to outside; the inner skeleton type oil seal group consists of three skeleton type oil seals which are axially laminated together and can seal the gap between the shaft sleeve and the sealing sleeve seat, the outer skeleton type oil seal group consists of two skeleton type oil seals which are axially laminated together and can seal the gap between the shaft sleeve and the sealing sleeve seat, an oil supply gap for supplying oil to the inner skeleton type oil seal group and the outer skeleton type oil seal group is reserved between the inner ring of the oil filling ring and the shaft sleeve, an annular oil groove is arranged on the outer ring of the oil filling ring, an annular oil cavity is formed between the annular oil groove and the sealing sleeve seat, a plurality of oil inlet holes communicated with the oil supply gap and the annular oil cavity are arranged on the oil filling ring along the circumferential direction, an oil inlet channel for supplying oil to the annular oil cavity is arranged on the sealing sleeve seat, and a retainer ring for a hole is arranged in the third annular groove and can axially and tightly push the inner skeleton type oil seal group, the oil filling ring and the outer skeleton type oil seal group in the third annular groove.

8. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1 or 2, characterized in that: the two adjacent main mounting rods are vertical in different surfaces, and the side face, opposite to the side wall of the cylinder body, of the main blade is set into an arc shape which can be close to the side wall of the cylinder body.

9. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 1 or 2, characterized in that: the included angle between each main blade and the axial line of the stirring shaft is 25-35 degrees, and the clearance between each main blade and the inner side wall of the cylinder body is 1-4 mm.

10. The combination machine of high-speed mixing and low-speed stirring cooling as claimed in claim 9, characterized in that: the annular stirring areas of the main blades on the two adjacent main mounting rods are intersected, the length L = K S/N of each main blade, the length coefficient K is 1.2-1.3, S is the length of the cylinder, and N is half of the number of the main blades in the cylinder.

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