CN204395907U - The cutter of granulator - Google Patents

Abstract

This technology provides a kind of dependable performance, the cutter of the granulator that operating efficiency is high.Described granulator comprises frame, is arranged on the granulation mechanism in frame; Granulation mechanism comprises vertical placement, rotate and be arranged on the main shaft in frame, the roller seat be connected with main shaft, the pressure roller shaft be fixed on roller seat, rotate the pressure roller be arranged in pressure roller shaft, the ring mould be fixed in frame, provide the power source of power for main shaft, described cutter also comprises the back-up ring being arranged in frame, being positioned at ring mould periphery, baffle ring is arranged at the top between back-up ring and ring mould, what baffle ring rotated around ring mold shaft line is arranged on back-up ring or ring mould, and back-up ring or ring mould arrange the cutter actuating device driving baffle ring to rotate; Have in the below of baffle ring and being fixed on baffle ring, being parallel to the cutting knife for cutting off the charge bar extruded from granulation hole of ring mould Axis Extension.

Description

The cutter of granulator

Technical field

This technology relates to the cutter of granulator.

Background technology

Granulator can be used for feed granulating, living beings such as stalk is granulated etc., is a kind of express material is shaping and granulator being cut off by the charge bar after extruded and granulate.The granulation mode of current granulator has screw extrusion, piston punching press, the extruding of ring mould and roll extrusion several.Typical equipment adopts ringthe granulator of mould extruding granulation mode; the structure of this granulator is; two pressure rollers are set in ring mould; during work; wedge shaped squeeze room (portion) is formed at ring mould and pressure roller; by relatively rotating of ring mould and pressure roller, the material of wedge shaped squeeze indoor is extruded inner ring mould by powerful active force, completes granulation.In use, the frictional force produced in granulation device is comparatively large, needs larger power drive for this granulator; Friction produces a large amount of heat energy, makes granulation device self-temperature higher, and lubrication and the cooling of the parts of motion require higher, then also have higher cooling requirement for lubricating oil; Only arrange two pressure rollers, the operating efficiency of granulator needs to be improved further; During to granulator feeding, material is easily deposited on roller frame, not easily makes this partial material enter wedge shaped squeeze room, is not easy to use.

Current granulator, the cutting knife in cutter is the charge bar that the power cut relying on the power source of drive shaft to provide is extruded from granulation hole.In such situation, granulator operating efficiency is not high.

Summary of the invention

The object of this technology is to provide a kind of dependable performance, the cutter of the granulator that operating efficiency is high.

The object of this technology is achieved through the following technical solutions:

The cutter of this granulator, described granulator comprises frame, is arranged on the granulation mechanism in frame; Granulation mechanism comprises vertical placement, rotate and be arranged on the main shaft in frame, the roller seat be connected with main shaft, the pressure roller shaft be fixed on roller seat, rotate the pressure roller be arranged in pressure roller shaft, the ring mould be fixed in frame, provide the power source of power for main shaft, described cutter also comprises the back-up ring being arranged in frame, being positioned at ring mould periphery, baffle ring is arranged at the top between back-up ring and ring mould, what baffle ring rotated around ring mold shaft line is arranged on back-up ring or ring mould, and back-up ring or ring mould arrange the cutter actuating device driving baffle ring to rotate; Have in the below of baffle ring and being fixed on baffle ring, being parallel to the cutting knife for cutting off the charge bar extruded from granulation hole of ring mould Axis Extension.

The beneficial effect of this technology is: the cutter of the granulator of this patent separately establishes separately the cutter actuating device driving cutting knife, instead of use the power source of drive shaft to provide power for cutting knife, through this improvement, it is abundant that cutting knife cuts off charge bar power, reliable operation; Simultaneously owing to not sharing the power of power source, adopt the granulator operating efficiency of this cutter also can improve.

The cutter of above-mentioned granulator, the lower framework between back-up ring and ring mould has discharging opening, is connected with the scraping wings for promoting the charge bar cut off extended along ring mould radial direction in cutting knife bottom.Scraping wings rotates around ring mold shaft line together along with cutting knife, the charge bar cut off is shifted onto discharge outlet, is convenient to discharging.

The cutter of above-mentioned granulator, cutter actuating device is cutter driving motor; Be fixed with little axle in back-up ring inner circumferential, little axle arranges spring bearing, spring bearing axis extends along ring mould radial direction, and baffle ring is rotated by spring bearing and is arranged on back-up ring; Baffle ring arranges gear ring; The pinion engaged with gear ring is arranged on the output shaft of cutter driving motor; The lower end of up-small and down-big taper feed hopper is fixed on ring mould, and the lower end peripheral of feed hopper has the shrouding extending to back-up ring, and cutter driving motor is fixed on shrouding; Gear ring and pinion are between shrouding and baffle ring.By broach hopper, be convenient to material to send between the ring mould of granulator and pressure roller or roller seat from outside.In pinion and the gear ring relatively airtight space between shrouding and back-up ring, prevent foreign matter from entering, ensure that the normal work of pinion and gear ring.

Accompanying drawing explanation

Fig. 1 is the structural representation of granulator

Fig. 2 is the top view of Fig. 1

Fig. 3 is the structural representation of centrifugal feeding mechanism

Fig. 4 is the top view of Fig. 3

Fig. 5 is the A direction view of Fig. 3

Fig. 6 is the structural representation of ring die holder

Fig. 7 is the top view of Fig. 6

Fig. 8 is the A direction view of Fig. 6

Fig. 9 is roller frame main body schematic diagram

Figure 10 is the top view of Fig. 9

Figure 11 is the A direction view of Fig. 9

Figure 12 is the front view of oil groove

Figure 13 is the side view of oil groove

Figure 14 is the front view of patch

Figure 15 is the side view of patch

Figure 16 is the lubrication chart arranging spindle through-hole

Figure 17 is the front view of main shaft in Figure 16

Figure 18 is the top view of main shaft in Figure 16

Figure 19 is the lubrication chart not arranging spindle through-hole

Figure 20 is the front view of main shaft in Figure 19

Figure 21 is the top view of main shaft in Figure 19

Figure 22 is the enlarged drawing of pressure roller, pressure roller shaft etc.

Figure 23 is the partial enlarged drawing of ring mould etc.

Figure 24 is the schematic diagram of the roller frame having elongated hole.

Figure 25 is the top view of Figure 24.

Figure 26 is the partial schematic diagram of the granulator with feed hopper and cutter driving motor.

Figure 27 is the connection diagram such as feed hopper and cutter driving motor.

Figure 28 is the top view of pinion in Figure 27 and gear ring.

Figure 29 is the top view of back-up ring and cutting knife etc. in Figure 27.

Figure 30 is the enlarged drawing of cutting knife, scraping wings etc. in Figure 27.

Figure 31 is the left view of Figure 30.

Detailed description of the invention

Below in conjunction with accompanying drawing, this technology is described further:

See the granulator shown in Fig. 1, Fig. 2; by frame 1, the granulation mechanism 2 be arranged in frame 1; to the feeding mechanism 3 of granulation mechanism 2 feeding; for granulator provides the lubricating system 4 of lubrication; for granulator provides the mair motor 5 of power, vertically placement, the rotation main shaft 6 be arranged in frame 1 are formed.The ring mould 202 of granulation mechanism 2 is stretched in the upper end of main shaft 6, and ring mould 202 offers granulation hole 212 along the radial direction of ring mould 202; The main part of frame 1 is casing 101; granulation mechanism 2 at least includes four groups of pressure rollers 205; feeding mechanism 3 is centrifugal feeding mechanisms, and it is exactly fuel tank that lubricating system 4 at least comprises with the fuel tank 420(casing of above-mentioned casing 101 consubstantiality, and both are same parts).

Below frame 1, be also provided with at least three lower margins support 102.

Granulation mechanism 2 comprise connect firmly in frame 1, horizontally disposed ring die holder 208, connect firmly the ring mould 202 on ring die holder 208; Ring die holder 208 offers the cylinder shape groove with ring mould 202 coaxial line; Be connected with roller frame cover plate with roller frame by spline with main shaft 6 upper end of ring mould 202 coaxial line simultaneously.The pressure roller shaft 204 of four groups of pressure rollers 205 is rotated and is arranged on roller seat, and pressure roller 205 rotates and is arranged in pressure roller shaft 204.Roller seat comprises roller frame 201, scraper plate 301 and roller seat cover plate 203; Roller frame 201 is arranged in cylinder shape groove; Roller frame 201 and roller seat cover plate 203 offer four groups of corresponding holes, and the hole on roller frame 201 is blind hole, and the axis in four groups of holes is equal with the axial line distance of the mesopore that roller frame 201 and roller seat cover plate 203 are offered; A pressure roller 205 rotates and is arranged in one group of through hole; Roller frame 201 is provided with the scraper plate 301 that helically line is bending, and the bending direction of scraper plate 301 is contrary with the rotation direction 303 of roller seat; Roller frame 201 is stretched out in the outer end of scraper plate 301, the lower direction bending identical with the rotation direction 303 of roller seat along 304 edges of extension, and extend in the groove between roller frame periphery 201 and cylinder shape groove inwall; Built on stilts chamber 207 is had to communicate with mesopore in the bottom of roller frame 201 blind hole.The material piled up on roller frame can be fed the wedge shaped squeeze portion between compression roller of granulator and ring mould by scraper plate 301; also the material squeezed in groove can be cleared up; in addition; utilize the scraper plate that helically line is bending that material stirring is even; to the even feeding in wedge shaped squeeze portion, granulator smooth running can also be made.

Roller seat cover plate 203 is also provided with cutting knife 209, and the blade of cutting knife 209 is near the outside of ring mould 202, and the length of blade is not less than ring die pelletizing hole 212 overall width.Use this cutting knife, the material rod squeezed out thoroughly can be cut off granulation by granulation hole.

Specifically:

Frame 1 comprises casing 101 and four lower margins be arranged on below casing 101 support 102.

Main shaft 6 is vertically placed, and the rotational support of main shaft 6 times axle journals is arranged in casing 101, and on main shaft 6, the rotational support of axle journal is arranged on ring mould 202 tops, and two place's rotational support all can select roller bearing or ball bearing, and this programme selects ball bearing 602.

Shown in Fig. 6, Fig. 7, Fig. 8, ring die holder 208, as a part for granulation mechanism 2, while granulation mechanism 2 provides support, is also the tapping channel of manufactured goods.Ring mould 202 offers the cylinder shape groove 208.3 with main shaft 6 coaxial line, and granulation mechanism 2 rotates and is arranged in cylinder shape groove 208.3.Ring die holder 208 arranges the annular boss 208.2 with main shaft 6 coaxial line.Ring mould 202 offers discharging opening 208.1, and discharging opening is outside external mold and between back-up ring.

Ring die holder 208 is horizontally disposed with, and connects firmly in frame 1.Ring die holder 208 also can be regarded as a part for frame.

Main shaft is rotated by upper ball bearing 602 and arranges (or in frame) on ring die holder 208.Adopt sealing ring 601 that main shaft is sealed with ring die holder 208 to be connected, like this at the axle cavity 407 that the formation upper end, bottom of ring die holder 208 inner seal ring 601 seals on upper ball bearing 602 top.Upper ball bearing 602 is positioned at axle cavity 407, and axle cavity 407 bottom directly communicates with fuel tank.

Ring mould 202 offers granulation hole 212 along the radial direction of ring mould 202, and upper row's granulation hole 212 is the overall width of ring nib apart from the distance in lower row's granulation hole 212.Ring mould 202 is prior art, and all the other repeat no more.

Ring mould 202 is arranged on outside the annular boss 208.2 on ring die holder 208, connects firmly with ring die holder 208.Back-up ring 213 is also provided with in the outside of ring die holder 208.Discharging guide groove 210 is positioned at below ring die holder 208, and its upper end communicates with discharging opening 208.1.

Shown in Fig. 9, Figure 10, Figure 11, roller seat provides rigid support for pressure roller, also comprises a part for lubricating system 4 oil circuit, mainly comprises roller frame 201 and roller seat cover plate 203.Roller frame 201 and roller seat cover plate 203 offer four groups of corresponding holes 201.3, the axis in four groups of holes is equal with the axial line distance of the mesopore 201.1 that roller frame 201 and roller seat cover plate 203 are offered, consider again the stressing conditions of roller frame 201, four groups of holes are uniformly distributed on pitch circle; A pressure roller rotates and is arranged in one group of through hole.

The bottom in the hole 201.3 on roller frame 201 has built on stilts chamber 207 to communicate with mesopore 201.1.Detailed description of the invention is: the bottom in the hole 201.3 offered in roller frame 201 main body arranges patch 201.4(see shown in Figure 14, Figure 15) shutoff is blind hole, below roller frame 201, between mesopore 201.1 and blind hole, offer groove 201.2, in groove 201.2, setting has the catch 201.5(of oil groove see shown in Figure 12, Figure 13) be communicated with blind hole and mesopore 201.1.Oil groove or groove define built on stilts chamber.Certainly, patch and oil groove also can be one.

But the bottom in hole 201.3 is provided with patch 201.4, or catch 201.5 catch is set in groove 201.2, may causes and seal bad between patch and roller frame or seal bad between catch and roller frame and reveal.For this reason, as improvement, see Figure 24,25, the hole 201.3 on roller frame 201 is machined directly to blind hole, roller frame 201 is drilled with four elongated holes 201.6 as built on stilts chamber along the radial direction of mesopore 201.1, and elongated hole 201.6 is directly communicated with the bottom in hole 201.3 with mesopore 201.1.Certainly, the outer end of elongated hole and shutoff.Like this, just eliminate patch and catch, prevent the possibility of leakage.

A pressure roller 205 rotates to be arranged in pressure roller shaft 204 and provides rotational support with two taper roller bearings 206, and the two ends of pressure roller 205 arrange bearing cap and seal, and form roller cavity 415 between pressure roller shaft 204 and pressure roller.Two taper roller bearings 206 are positioned at roller cavity 415.

Roller frame 201 connects firmly with the upper end of main shaft 6, and in roller seat embedded rings die holder groove 208.3, can there is comparatively small gap between roller seat and ring die holder groove 208.3, material can be filled in gap, and instrument not easily deeply removes material, affects the normal operation of granulator.For ease of the material in cleaning gap, this gap can be zoomed into groove in right amount, instrument easy to use completes prune job.Concrete scheme is:

Shown in Fig. 3, Fig. 4, Fig. 5, roller frame 201 arranges scraper plate 301, roller frame 201 is stretched out in the outer end of scraper plate 301, the lower direction bending identical with the rotation direction 303 of roller seat along 304 edges of extension.Like this, along with the rotation of roller frame 201, the lower edge of bending upwards can shovel out the material in groove.

Roller seat cover plate 203 is also provided with cutting knife 209, and the blade of cutting knife 209 is near the outside of ring mould 202, and the length of blade is not less than ring die pelletizing hole overall width.The handle of a knife of cutting knife 209 is movably arranged on roller seat cover plate 203 with bolt, and the cutter hub of cutting knife is between ring mould 202 and back-up ring 213, and blade is near the outside of ring mould 202.

Shown in Fig. 3, Fig. 4, Fig. 5, the feeding mechanism of granulator comprises feeding mechanism 3 in the outer feeding mechanism of machine and machine.Material, by the outer feeding mechanism ingress engine of machine, is prior art, does not repeat, also not shown in figure.In machine, feeding mechanism 3 is by even for the material stirring entered in granulator, can also to the even feeding in wedge shaped squeeze room.Its concrete structure and connected mode are: on roller frame 201, be fixedly connected with the scraper plate 301 that helically line is bending with screw 302, the bending direction of scraper plate 301 is contrary with the rotation direction 303 of roller seat.

See shown in Figure 16 to 21, wherein, Figure 16, Figure 17, Figure 18 are the lubricating system arranging spindle through-hole, and Figure 19, Figure 20, Figure 21 are the lubricating system not arranging spindle through-hole.

Lubricating system 4, except comprising fuel tank 420, also comprises Hydraulic Station and oil circuit; Hydraulic Station comprises the Oil pump electrical machinery 403 being arranged on oil pump 401 bottom fuel tank 420, driving oil pump 401 to operate; The formation of oil circuit is: oil pump 401 delivery outlet communicates with roller cavity 415 respectively, and (oil pump delivery outlet can directly communicate with roller cavity 415 respectively, also indirectly can be communicated with roller cavity 415 by the fuel feed hole 416 offered in pressure roller shaft 204), roller cavity 415 communicates with the axle cavity 407 formed between ring die holder 208 with main shaft 6, and axle cavity 407 communicates with fuel tank 420.

When oil pump 401 delivery outlet is by indirectly communicating with roller cavity 415 with fuel feed hole 416, suitable for reading 417 of fuel feed hole 416 are positioned at the upper surface of pressure roller shaft 204, and the end opening 414 of fuel feed hole 416 is arranged on the side of pressure roller shaft 204, is positioned in the middle part of roller cavity 415.

Roller cavity 415 is communicated with built on stilts chamber 207 by the oil outlet 412 offered in pressure roller shaft 204; Suitable for reading 413 of oil outlet 412 be arranged on pressure roller shaft 204 side, be positioned at roller cavity 415 bottom, the end opening 411 of oil outlet 412 is positioned at the lower surface of pressure roller shaft 204.

Built on stilts chamber 207 is communicated with axle cavity 407 by the shaft through-hole 408 offered in main shaft 6, namely suitable for reading 409 of shaft through-hole 408 sides being positioned at main shaft communicate with built on stilts chamber 207, and the end opening 410 of shaft through-hole 408 is positioned at the side of main shaft and communicates with the top of axle cavity 407.Shaft through-hole 408 needs shutoff at the opening 421 of main shaft upper surface.

Oil pump 401 delivery outlet is connected with two kinds of modes mutually with the roller cavity 415 outside pressure roller shaft 204 respectively:

One, see Figure 16-18, Figure 22,23, main shaft 6 is offered by the spindle through-hole 406 of lower end to upper end, the oil pipe 404 being communicated with oil pump 401 delivery outlet is communicated by the end opening of But rotary joint 405 with spindle through-hole 406, and the suitable for reading of spindle through-hole 406 is communicated with roller cavity 415 by five-way 419, oil pipe 418, fuel feed hole 416.But rotary joint 405 becomes to be rotatably connected with main shaft lower end; And be positioned on main-shaft axis.This structure, makes granulator compact conformation, avoids interfering with external device (feeding mechanism as outer in machine), improve safety in utilization, but the processing cost of spindle through-hole is higher, increases a set of sealing device in main shaft 6 lower end.

Its two, see Figure 19-21, the oil pipe being communicated with oil pump 401 delivery outlet is communicated with roller cavity 415 by But rotary joint 405, five-way 419, oil pipe 418, fuel feed hole 416.Five-way 419 is fixed on above main shaft roller seat cover plate, is connected between But rotary joint 405 with five-way 419 by communicating pipe.But rotary joint 405 can rotate relative to communicating pipe.But rotary joint 405, five-way 419, communicating pipe are all positioned on the axis of main shaft.This structure, cuts down finished cost, and reduces a set of sealing device, but can interfere with external device (feeding mechanism as outer in machine), reduces safety in utilization, and the obviously increase that takes up room.

Weigh two kinds of modes that above-mentioned oil pump 401 delivery outlet communicates with the roller cavity 415 outside pressure roller shaft 204 respectively, preferably adopt the first scheme that security is higher.

When lubricating system 4 works, the flow through path of lubricating oil in oil circuit is:

The lubricating oil that oil pump 401 pressurizes, suitable for reading through oil pipe 418, But rotary joint 405 to main shaft 6 hole, branch to roller cavity 415 pairs of taper roller bearings 206 by five-way 419 through oil pipe lubricate and after lowering the temperature, after built on stilts chamber 207 to axle cavity 407 pairs of ball bearings lubricate and lower the temperature, flow to fuel tank 420.

The beneficial effect of this technology is:

Granulation mechanism is provided with four groups of pressure rollers, relative to the granulator of two pressure rollers of prior art, significantly improves operating efficiency.The granulator of this patent; when mair motor is 90kw motor, obtained bar per hour is 2.5 tons, is about 1.5 times of the common granulator (its power of motor is 90kw) of production bar 1.5-1.8 ton per hour; significantly improve production efficiency, and reliable operation.

Lubricating system, using casing as fuel tank, to sufficient lubrications such as the transmissions in casing, can also considerably increase area of dissipation, to lubricating oil effective temperature-reducing; Adopt the mode of Inner eycle lubrication, can to each rotational components sufficient lubrication cooling of granulator.

Adopt centrifugal feeding mechanism 3, reduce the probability of solid accumulation on roller frame 201, be convenient to material to feed wedge shaped squeeze room; By material uniform stirring, make granulator smooth running.

Foregoing granulator, cutting knife is arranged on roller seat cover plate, and cutting knife is the charge bar relying on the power cut provided of mair motor to extrude from granulation hole.In such situation, granulator operating efficiency is not high.For this reason, done following improvement, see Figure 26-31, the lower end of up-small and down-big taper feed hopper 81 is fixed on ring mould, and the lower end peripheral of feed hopper has the shrouding 82 extending to back-up ring, and cutter driving motor 83 is fixed on shrouding.Be fixed with 4 to 6 little axles 84 in back-up ring 213 inner circumferential, little axle arranged spring bearing 85, spring bearing axis extends along ring mould radial direction.Baffle ring 86 is arranged at the top between back-up ring and ring mould, and what baffle ring 86 was rotated around ring mold shaft line by spring bearing is arranged on back-up ring; Gear ring 87 is connected on baffle ring top; The pinion 88 engaged with gear ring is arranged on the output shaft of cutter driving motor.Gear ring and pinion are between shrouding and baffle ring.Be parallel to ring mould Axis Extension four cutting knife 89 for cutting off the charge bar extruded from granulation hole, the top of four cutting knifes 89 is connected to baffle ring bottom by rebound 91, and the bottom of cutting knife 89 connects the scraping wings 90 for promoting the charge bar cut off extended along ring mould radial direction.Through the granulator of this improvement, mair motor be 90kw motor, cutter driving motor be 1.5kw time, obtained bar per hour is 2.8 tons, is about 1.6 times of the common granulator (its power of motor is 90kw) of production bar 1.5-1.8 ton per hour.Scraping wings rotates around ring mold shaft line together along with cutting knife, the charge bar cut off is shifted onto discharge outlet, is convenient to discharging.By broach hopper, be convenient to material to send between the ring mould of granulator and pressure roller or roller seat from outside.In pinion and the gear ring relatively airtight space between shrouding and back-up ring, prevent foreign matter from entering, ensure that the normal work of pinion and gear ring.

Claims (3)

1. the cutter of granulator, described granulator comprises frame, is arranged on the granulation mechanism in frame; Granulation mechanism comprises vertical placement, rotate and be arranged on the main shaft in frame, the roller seat be connected with main shaft, the pressure roller shaft be fixed on roller seat, rotate the pressure roller be arranged in pressure roller shaft, the ring mould be fixed in frame, provide the power source of power for main shaft, it is characterized in that: described cutter also comprises the back-up ring being arranged in frame, being positioned at ring mould periphery, baffle ring is arranged at the top between back-up ring and ring mould, what baffle ring rotated around ring mold shaft line is arranged on back-up ring or ring mould, and back-up ring or ring mould arrange the cutter actuating device driving baffle ring to rotate; Have in the below of baffle ring and being fixed on baffle ring, being parallel to the cutting knife for cutting off the charge bar extruded from granulation hole of ring mould Axis Extension.

2. the cutter of granulator according to claim 1, is characterized in that, the lower framework between back-up ring and ring mould has discharging opening, is connected with the scraping wings for promoting the charge bar cut off extended along ring mould radial direction in cutting knife bottom.

3. the cutter of granulator according to claim 1, is characterized in that, cutter actuating device is cutter driving motor; Be fixed with little axle in back-up ring inner circumferential, little axle arranges spring bearing, spring bearing axis extends along ring mould radial direction, and baffle ring is rotated by spring bearing and is arranged on back-up ring; Baffle ring arranges gear ring; The pinion engaged with gear ring is arranged on the output shaft of cutter driving motor; The lower end of up-small and down-big taper feed hopper is fixed on ring mould, and the lower end peripheral of feed hopper has the shrouding extending to back-up ring, and cutter driving motor is fixed on shrouding; Gear ring and pinion are between shrouding and baffle ring.