CN208006048U - The pneumatic adjusting lever structure of underwater pelletizer - Google Patents
The pneumatic adjusting lever structure of underwater pelletizer Download PDFInfo
- Publication number
- CN208006048U CN208006048U CN201820434046.8U CN201820434046U CN208006048U CN 208006048 U CN208006048 U CN 208006048U CN 201820434046 U CN201820434046 U CN 201820434046U CN 208006048 U CN208006048 U CN 208006048U
- Authority
- CN
- China
- Prior art keywords
- oil sealing
- knife bar
- cutter
- pneumatic
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 47
- 239000010935 stainless steel Substances 0.000 claims description 47
- 229910052802 copper Inorganic materials 0.000 claims description 19
- 239000010949 copper Substances 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 210000003746 feather Anatomy 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 10
- 230000001050 lubricating effect Effects 0.000 claims description 9
- 229920001973 fluoroelastomer Polymers 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 238000005453 pelletization Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 3
- 241000486406 Trachea Species 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 240000007817 Olea europaea Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
- B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a kind of pneumatic adjusting lever structures of underwater pelletizer,It is formed including knife bar,The bearing block of knife bar composition is connect by connecting flange with underwater pelletizer water cavity,Knife bar rear end is mounted in bearing block and exports axis connection with alternating current generator,Connecting flange is passed through in the middle part of knife bar,Interval setting front end oil sealing and rear end oil sealing between connecting flange and knife bar,Air inlet is equipped between front end oil sealing and rear end oil sealing,Air inlet is connected by the air source of pneumatic adjustment structure and compressed air,It is equipped with air admission hole in knife bar position corresponding with air inlet,The front end of knife bar is stretched into water cavity,Knife bar front end is equipped with plunger slide opening,Plunger slide opening is connected to by venthole with air admission hole,Pneumatic plunger is equipped in plunger slide opening,Pneumatic plunger is connect by compressed spring with cutter seat,Cutter seat is equipped with cutter axis,Cutter axis is connect with cutter disc.The utility model can ensure that conformability, the raising pelletizing quality of cutter and fervent die face, reduction cutting blade abrasion.
Description
Technical field
The utility model is related to a kind of pneumatic adjusting lever structures of underwater pelletizer.
Background technology
Underwater pelletizer can ideally various grain sizes of cutting processing multiple polymers material, when it is more cutter appropriate
Under pressure, the blade of each cutter is fitted closely with fervent die face, and makees circumferential slippage in the fervent die face of driving lower edge of knife bar, will
The polymer material squeezed out from fervent head cuts into spherical or olive shape particle, pelletizing quality with it is more cutter and thermal cutting mould
The closely connected degree in face has critically important relationship.
Currently, making of using of home and abroad it is more the closely connected structure of cutter and fervent die face there are three types of structure：
1, by the elastic force of compressed spring push cutter disc, with ensure more blades cutter on cutter disc simultaneously with it is fervent
Die face is closely connected, to ensure pelletizing effect, the disadvantage is that the elastic force of compressed spring cannot be adjusted according to polymer material properties,
Especially when cutting soft polymeric material, particle can be made to generate end pin and generate more clast；
2, the piston in pneumatically pusher cylinder pushes knife bar, knife bar to withstand cutter disc, to ensure cutter by piston
More blades cutter on disk are closely connected with fervent die face simultaneously, to ensure pelletizing effect, the disadvantage is that pushing away in compressed air
Under power, more blades cutter and fervent die face on cutter disc are rigid closely connected, and the blade of cutter is easily worn, and increases life
Produce cost；
3, by adjusting lead screw ejection knife bar, underwater pelletizer often runs a period of time, is worn when the blade of cutter generates, is
Ensure more blades cutter on cutter disc while the closely connected degree with fervent die face, by adjusting lead screw manually, to ensure to cut
Grain effect, the disadvantage is that under the rigid pressing force of lead screw, the blade of cutter is easily worn, in addition in operation due to need through
Normal manual adjusting lead screw and increase manpower.
The sealing of three of the above structure, cutter and fervent die face is all made of mechanical seal, complicated, is unfavorable for repairing.
In addition, the operating mode due to underwater pelletizer is complicated, it be easy to cause the damage of mechanical seal friction end face and causes drainage, carry
High maintenance cost.
Invention content
Goal of the invention：The purpose of this utility model is to provide a kind of pneumatic adjusting lever structure of underwater pelletizer, passes through
The pneumatic adjusting lever structure may insure cutter and fervent die face in high-velocity flow and high water temperature and pressure work state
It is conformability, improve pelletizing quality, avoid generate clast, reduce the edge wear of cutter, improve the service life of cutter, reduce
Production cost.
To achieve the goals above, the utility model uses the following technical solution：A kind of underwater pelletizer it is pneumatic
Adjust lever structure, including knife bar composition, connecting flange and pneumatic adjustment structure；Knife bar composition include knife bar, bearing block,
Taper roll bearing, pneumatic plunger, compressed spring, cutter seat, cutter axis, cutter disc, cutter；The rear end of bearing block and alternating current
Machine is connected, and the front end of bearing block is connected by the water cavity rear end of connecting flange and underwater pelletizer；The rear end of knife bar passes through circular cone
Roller bearing is mounted in bearing block and exports axis connection with alternating current generator, and the middle part of knife bar passes through connecting flange, connecting flange
Axially spaced setting front end oil sealing and rear end oil sealing between knife bar are equipped with air inlet between front end oil sealing and rear end oil sealing,
Air inlet is connected by the air source of pneumatic adjustment structure and compressed air, and the gas for being passed through air inlet is adjusted by pneumatic adjustment structure
Size is pressed, is equipped with air admission hole in knife bar position corresponding with air inlet, the front end of knife bar is stretched into water cavity, in the front end of knife bar
Equipped with plunger slide opening, plunger slide opening is connected to by the venthole at knife bar center with air admission hole, and pneumatic plunger is equipped in plunger slide opening,
The front end of pneumatic plunger is connected by the rear end of compressed spring and cutter seat, sets that there are two sliding in an axial direction in the front end outer circle of knife bar
Keyway is set in each featherway there are one feather key, and two feather keys are connect with the middle part of cutter seat respectively, and cutter seat is by two feather keys
In knife bar front end, cutter axis is mounted on the front end of cutter seat, the spherical outer surface of cutter axis by threaded hole for installation and limit
Coordinate with the spherical inside surface of cutter disk center, multiple cutters are fixed on cutter disc.
Further, the connecting flange includes fixture flange and oil sealing flange, the front end of oil sealing flange and underwater cutpellet
The water cavity rear end of machine connects, and the rear end of oil sealing flange is connect with the front end of fixture flange, the rear end of fixture flange and bearing block
Front end connects；The front end oil sealing includes oil sealing cover, copper sheathing, O-ring seals, packing holder, stainless steel insert oil sealing I and not
Become rusty steel skeleton oil sealing II, and copper is set on the middle front part of oil sealing flange endoporus, and the front end of copper sheathing connects oil sealing cover, oil sealing cover
It is fixed in the front end surface of oil sealing flange, by oil sealing cover axial restraint copper sheathing, sealing ring is equipped between copper sheathing and knife bar
Seat, stainless steel insert oil sealing I and stainless steel insert oil sealing II are fixed in packing holder；The rear end oil sealing includes stainless reinforcing bar
Frame oil sealing III and sealing ring pressing plate, are arranged stainless steel insert oil sealing III between fixture flange and knife bar, and sealing ring pressing plate is solid
It is scheduled on the front end surface of fixture flange, by sealing ring pressing plate axial restraint stainless steel insert oil sealing III, the air inlet setting
At the rear portion of oil sealing flange.
Further, the stainless steel insert oil sealing I, stainless steel insert oil sealing II and stainless steel insert oil sealing III are
Lips polytetrafluoroethyloil oil seals, and be equipped in lip inner wall and turn to opposite thread groove with knife bar.
Further, O-ring seals are equipped between the copper sheathing rear and front end and oil sealing flange.
Further, two stainless steel balls are separately mounted in the both sides steel ball seat of cutter axis, by being mounted on cutter axis
Stainless steel ball in the steel ball seat of both sides connects cutter axis and cutter disc with the steel-ball groove of cutter disc both sides, and cutter disc is to be mounted on knife
Two stainless steel balls in the steel ball seat of dish axle both sides are supporting point, and the spherical inside surface of cutter disk center and the spherical shape of cutter axis are outer
Make universal movement by the elastic force of compressed spring between surface, to ensure that the blade of all cutters is closely pasted with fervent die face simultaneously
It closes.
Further, the front end surface of the pneumatic plunger is equipped with screw hole.
Further, the periphery of the pneumatic plunger is equipped with multiple O-ring slots, and fluororubber O shape is equipped in O-ring slot
Circle.
Further, lubricating cup is installed, lubricating cup is for injecting lubricating grease into bearing block on the bearing block.
Further, the pneumatic adjustment structure include pneumatic hand valve, tracheae I, pressure reducing valve, tracheae II, solenoid valve and
Tracheae III, the air source of the air inlet termination compressed air of pneumatic hand valve, the outlet side of pneumatic hand valve is by tracheae I and pressure reducing valve
Inlet end connection, the outlet side of pressure reducing valve connects by the inlet end of tracheae II and solenoid valve, and the outlet side of solenoid valve is by tracheae
III is connect with air inlet.
The pneumatic adjusting lever structure of the utility model underwater pelletizer has the following advantages：
(1) it is pushed by compressed air in cutter disc by the elastic force collective effect of compressed air thrust and compressed spring
Pneumatic plunger, pneumatic plunger push compressed spring under the influence of air pressure, to increase the pressing force of compressed spring, ensure cutter
Blade is conformability with fervent die face, can according to material material and forming situation adjust air pressure size, with improve particle at
Shape state, avoid generate clast, suitable for the production operation of multiple polymers material, yield can meet 200kg/hr~
The production range requirement of 1000kg/hr；
(2) blade of cutter and the closely connected degree of fervent die face can be adjusted, edge wear, the service life of cutter are reduced
Three times are improved, production cost is reduced；
(3) structure assembling is simple, is conducive to detachable maintaining.
Description of the drawings
Fig. 1 is the structural schematic diagram that the utility model pneumatically adjusts lever structure；
Fig. 2 is the structural schematic diagram of connecting flange；
Fig. 3 is A-A views in Fig. 2；
Fig. 4 is the structural schematic diagram of knife bar composition；
Fig. 5 is the structural schematic diagram of knife bar；
Fig. 6 is A-A views in Fig. 5；
Fig. 7 is B-B views in Fig. 5；
Fig. 8 is C-C views in Fig. 5；
Fig. 9 is the structural schematic diagram of pneumatic plunger；
Figure 10 is the structural schematic diagram of cutter axis；
Figure 11 is the left view of Figure 10；
Figure 12 is the structural schematic diagram of cutter disc；
Figure 13 is A-A views in Figure 12；
In figure：1- earnestly gets to know, 2- water cavities, 3- die head fixtures, 4- connecting flanges, 5- knife bars composition, and 6- alternating current generators are defeated
Shaft, 7- connection bolts, the fervent die faces of 8-, the pneumatic hand valves of 9-, 10- tracheaes I, 11- pressure reducing valve, 12- tracheaes II, 13- electromagnetism
Valve, 14- tracheaes III, 15- screw I, 16- oil sealing cover, 17- stainless steel insert oil sealing I, 18- packing holders, 19- countersunk head spiral shells
Nail, 20- oil sealing flanges, 21- copper sheathings, 22- fixture flanges, 23- screws II, 24- screw III, 25- stainless steel insert oil sealing III,
26- sealing ring pressing plates, 27- stainless steel insert oil sealing II, 28-O shape sealing rings, 29- air inlets, 30- cutters, 31- cutter discs,
32- cutter axis, 33- stainless steel balls, 34- cutter seats, 35- compressed springs, 36- pneumatic plungers, 37- fluororubber O shape circles, 38- knives
Bar, 39- bearing blocks, 40- lubricating cups, 41- taper roll bearings, 42- fillister head screws, 43- feather keys, 44- featherways, 45- plungers
Slide opening, 46- ventholes, 47- air admission holes, 48-O shape ring recess, 49- screw holes, 50- threaded holes, 51- steel ball seats, 52- spherical shape appearances
Face, 53- spherical inside surfaces, 54- steel-ball grooves.
Specific implementation mode：
Further explanation is done to the utility model below in conjunction with the accompanying drawings.
As shown in Fig. 1 to 13, a kind of pneumatic adjusting lever structure of underwater pelletizer of the utility model, including knife bar group
At 5, connecting flange 4 and pneumatic adjustment structure.Knife bar composition 5 include knife bar 38, bearing block 39, taper roll bearing 41,
Pneumatic plunger 36, compressed spring 35, cutter seat 34, cutter axis 32, cutter disc 31, cutter 30；The rear end of bearing block 39 with exchange
Motor is connected, and the front end of bearing block 39 is connect by connecting flange 4 with 2 rear end of water cavity of underwater pelletizer；The rear end of knife bar 38
It is mounted in bearing block 39 by taper roll bearing 41 and is connect with alternating current generator output shaft 6, the middle part of knife bar 38, which passes through, to be connected
Acting flange 4, axially spaced setting front end oil sealing and rear end oil sealing, front end oil sealing and rear end between connecting flange 4 and knife bar 38
Air inlet 29 is equipped between oil sealing, air inlet 29 is connected by the air source of pneumatic adjustment structure and compressed air, by pneumatically adjusting
Section structure adjusts the air pressure size for being passed through air inlet 29, and air admission hole 47 is equipped in the position corresponding with air inlet 29 of knife bar 38,
The front end of knife bar 38 is stretched into water cavity 2, is equipped with plunger slide opening 45 in the front end of knife bar 38, plunger slide opening 45 passes through 38 center of knife bar
Venthole 46 be connected to air admission hole 47, pneumatic plunger 36 is equipped in plunger slide opening 45, the front end of pneumatic plunger 36 passes through compression
Spring 35 is connect with the rear end of cutter seat 34, is set in an axial direction there are two featherway 44 in the front end outer circle of knife bar 38, each feather key
It is set in slot 44 there are one feather key 43, two feather keys 43 are connect with the middle part of cutter seat 34 respectively, and cutter seat 34 is by two feather keys 43
Installation and limit are in 38 front end of knife bar, and cutter axis 32 is mounted on the front end of cutter seat 34 by threaded hole 50, cutter axis 32
Spherical outer surface 52 and the spherical inside surface 53 at 31 center of cutter disc coordinate, and multiple cutters 30 are fixed on by fillister head screw 42 and are cut
On cutterhead 31.Cutter seat 34 moves under the elastic force effect of compressed spring 35 along featherway 44 is forward and backward, can adjust cutter 30
The closely connected degree between fervent die face 8 on the fervent die head of blade and 2 front end of water cavity 1.
As shown in Figures 1 to 3, in the present embodiment, the connecting flange 4 includes fixture flange 22 and oil sealing flange 20, oil sealing
The front end of flange 20 is connect by die head fixture 3 with 2 rear end of water cavity of underwater pelletizer, and the rear end of oil sealing flange 20 passes through screw
II23 is connect with the front end of fixture flange 22, and the rear end of fixture flange 22 is connect by connecting bolt 7 with the front end of bearing block 39.
The front end oil sealing include oil sealing cover 16, copper sheathing 21, O-ring seals 28, packing holder 18, stainless steel insert oil sealing I17 and
The middle front part in 20 endoporus of oil sealing flange is arranged in stainless steel insert oil sealing II27, copper sheathing 21, and the front end of copper sheathing 21 passes through countersunk head spiral shell
19 connection oil sealing cover 16 of nail, oil sealing cover 16 are fixed on by screw I15 in the front end surface of oil sealing flange 20, pass through oil sealing pressure
16 axial restraint copper sheathing 21 of lid is equipped with packing holder 18, stainless steel insert oil sealing I17 and stainless steel between copper sheathing 21 and knife bar 38
Outside framework oil seal II27 is fixed in packing holder 18, and packing holder 18 is four, stainless steel insert oil sealing I17 and stainless steel insert
The quantity of oil sealing II27 is two.To ensure the air-tightness of 20 inner cavity of oil sealing flange, 21 rear and front end of the copper sheathing and oil sealing
O-ring seals 28 are equipped between flange 20.The rear end oil sealing includes stainless steel insert oil sealing III25 and sealing ring pressing plate 26,
Stainless steel insert oil sealing III25 is arranged between fixture flange 22 and knife bar 38, and sealing ring pressing plate 26 is fixed on by screw III24
The front end surface of fixture flange 22 passes through 26 axial restraint stainless steel insert oil sealing III25 of sealing ring pressing plate, stainless steel insert oil
It is two to seal III25 quantity.The stainless steel insert oil sealing I17, stainless steel insert oil sealing II27 and stainless steel insert oil sealing
III25 is lips polytetrafluoroethyloil oil seals, and is equipped in lip inner wall and turns to opposite thread groove with knife bar 38.It is described into
Gas port 29 is arranged at the rear portion of oil sealing flange 20.
As shown in Figure 1, the pneumatic adjustment structure include pneumatic hand valve 9, tracheae I10, pressure reducing valve 11, tracheae II12,
Solenoid valve 13 and tracheae III14, the air source of the air inlet termination compressed air of pneumatic hand valve 9, the outlet side of pneumatic hand valve 9 by
Tracheae I10 is connect with the inlet end of pressure reducing valve 11, and the outlet side of pressure reducing valve 11 is connected by the inlet end of tracheae II12 and solenoid valve 13
It connects, the outlet side of solenoid valve 13 is connect by tracheae III14 with air inlet 29.
As shown in figure 4, being equipped with lubricating cup 40 on the bearing block 39, lubricating cup 40 is used to inject lubrication into bearing block 39
Fat.
Shown in Figure 10 to 13, the spherical outer surface 52 of cutter axis 32 coordinates with the spherical inside surface 53 at 31 center of cutter disc.
Two stainless steel balls 33 are separately mounted in the both sides steel ball seat 51 of cutter axis 32, by being mounted on 32 both sides steel ball seat of cutter axis
The steel-ball groove 54 of 31 both sides of stainless steel ball 33 and cutter disc in 51 connects cutter axis 32 and cutter disc 31.Cutter disc 31 is to install
Two stainless steel balls 33 in 32 both sides steel ball seat 51 of cutter axis are supporting point, the spherical inside surface 53 at 31 center of cutter disc with
Make universal movement by the elastic force of compressed spring 35 between the spherical outer surface 52 of cutter axis 32, to ensure the knife of all cutters 30
Sword is fitted closely with fervent die face 8 simultaneously.
As shown in figure 9, the front end surface of the pneumatic plunger 36 is equipped with screw hole 49.It, can when dismantling pneumatic plunger 36
The screw of demounting bolt is screwed into screw hole 49, it is convenient to by demounting bolt by pneumatic plunger 36 from plunger slide opening 45
Middle pull-out.The periphery of the pneumatic plunger 36 is equipped with multiple O-ring slots 48, and fluororubber O shape circle 37 is equipped in O-ring slot 48.
Fluororubber O shape circle 37 plays the airtight effect between pneumatic plunger 36 and plunger slide opening 45.
After water cavity 2 is connect with connecting flange 4 by die head fixture 3, the gas that pneumatic hand valve 9 connects compressed air is operated
Source, the photoelectric sensor action on 2 body of water cavity, polymer material are squeezed out by fervent head 1 to the high-velocity flow in water cavity 2
In, knife bar 38 starts to rotate under the driving of alternating current generator output shaft 6, and driving cutter 30 cuts polymer material, electricity
Magnet valve 13, which is powered, to be closed, and the outlet side of pressure reducing valve 11 is connected via tracheae II12, solenoid valve 13 and tracheae III14 to air inlet 29
Gas circuit, the compressed air after decompression enters 4 inner cavity of connecting flange.
The air source of the air inlet termination 8kg/cm2 compressed airs of pneumatic hand valve 9 in the present embodiment, operates pneumatic hand valve
9 handle can be switched off or on the compressed air for entering pressure reducing valve 11 via tracheae I10, adjust the air pressure adjustment of pressure reducing valve 11
Knob, can will enter via tracheae II12, solenoid valve 13 and tracheae III14 the compressed air pressure of 4 inner cavity of connecting flange according to
Technological requirement is adjusted to 4~7kg/cm2.
After compressed air enters 4 inner cavity of connecting flange, stainless steel insert oil sealing II27 and stainless steel insert oil sealing III25 are
Lips polytetrafluoroethyloil oil seals, the mill generated with oil seal lip using the wide lip dynamic structure of no spring, 38 high speed rotation of knife bar
Chafing can be such that oil seal lip constantly shrinks, and oil seal lip is made tightly to embrace on 38 surface of knife bar, make 38 surface of knife bar and lip it
Between gapless exist, and abrasion can be compensated；The lip inner wall of lips polytetrafluoroethyloil oil seals be carved with turned to knife bar 38 it is opposite
Thread groove will produce an inside thrust when knife bar 38 rotates, and prevent compressed air from outflowing, this thrust is very high, causes energy
The Fluid pressure for sealing 30kg/cm2, to ensure the compressed air into 4 inner cavity of connecting flange in 38 high speed rotation of knife bar not
Leakage.Stainless steel insert oil sealing I17 is lips polytetrafluoroethyloil oil seals, when knife bar 38 rotates, prevents the high speed water in water cavity 2
Stream enters 20 inner cavity of oil sealing flange along knife bar 38.
After compressed air enters 4 inner cavity of connecting flange, enters plunger via the air admission hole 47 and venthole 46 of knife bar 38 and slide
Hole 45 pushes pneumatic plunger 36, and pneumatic plunger 36 pushes compressed spring 35 under the influence of air pressure, to increase compressed spring 35
Pressing force ensures the conformability of blade and the fervent die face 8 of cutter 30.According to the situation of pelletizing, the air pressure of pressure reducing valve 11 is adjusted
Adjusting knob, to improve the shaped state of particle.
When knife bar 38 stops operating or water cavity 2 is disconnected with connecting flange 4, the power-off of solenoid valve 13 is opened, cut-out compression
Air leads to the gas circuit of 4 inner cavity of connecting flange, the compressed air of 4 inner cavity of connecting flange is emptied to air, to ensure operator
The safety of member.When replacing cutter, since knife bar 38 stops operating and water cavity 2 and connecting flange 4 are departing from connecting, solenoid valve 13
Opening is automatically powered off, the compressed air of 4 inner cavity of connecting flange is emptied into air, makes the compressed air pressure of 4 inner cavity of connecting flange
Power is zero, and to prevent in cutter seat 34 of the dismounting mounted on 38 front end of knife bar, pneumatic plunger 36 and compressed spring 35 are in gas
Under the action of pressure, projects the plunger slide opening 45 of knife bar 38 and cause personal injury.
Before dismounting or installation pneumatic plunger 36, compressed spring 35 and cutter seat 34, in order to ensure the person of operating personnel
Safety can cut off the air source of compressed air, by the compression in tracheae I10, pressure reducing valve 11 and tracheae II12 by pneumatic hand valve 9
Air empties to air, and 11 compressed air pressure of pressure reducing valve is made to be shown as zero, to increase the personnel safety factor of operating personnel.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of pneumatic adjusting lever structure of underwater pelletizer, it is characterised in that：Including knife bar composition (5), connecting flange (4)
With pneumatic adjustment structure；The knife bar composition (5) includes knife bar (38), bearing block (39), taper roll bearing (41), pneumatic column
Fill in (36), compressed spring (35), cutter seat (34), cutter axis (32), cutter disc (31), cutter (30)；After bearing block (39)
End is connected with alternating current generator, and the front end of bearing block (39) is connected by water cavity (2) rear end of connecting flange (4) and underwater pelletizer
It connects；The rear end of knife bar (38) by taper roll bearing (41) be mounted on bearing block (39) in and with alternating current generator output shaft (6)
The middle part of connection, knife bar (38) passes through connecting flange (4), between connecting flange (4) and knife bar (38) before axially spaced setting
Oil sealing and rear end oil sealing are held, air inlet (29) is equipped between front end oil sealing and rear end oil sealing, air inlet (29) is by pneumatically adjusting
The air source of structure and compressed air connects, and the air pressure size for being passed through air inlet (29) is adjusted by pneumatic adjustment structure, in knife bar
(38) position corresponding with air inlet (29) is equipped with air admission hole (47), and the front end of knife bar (38) is stretched into water cavity (2), in knife bar
(38) front end is equipped with plunger slide opening (45), the venthole (46) and air admission hole that plunger slide opening (45) passes through knife bar (38) center
(47) be connected to, be equipped with pneumatic plunger (36) in plunger slide opening (45), the front end of pneumatic plunger (36) by compressed spring (35) with
The rear end of cutter seat (34) connects, and sets that there are two featherway (44), each featherways in an axial direction in the front end outer circle of knife bar (38)
(44) it is set in there are one feather key (43), two feather keys (43) connect with the middle part of cutter seat (34) respectively, and cutter seat (34) is by two
In knife bar (38) front end, cutter axis (32) is mounted on cutter seat (34) by threaded hole (50) for a feather key (43) installation and limit
Front end, the spherical outer surface (52) of cutter axis (32) and the spherical inside surface (53) at cutter disc (31) center coordinate, multiple to cut
Knife (30) is fixed on cutter disc (31).
2. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 1, it is characterised in that：The connection
Flange (4) includes fixture flange (22) and oil sealing flange (20), the front end of oil sealing flange (20) and the water cavity (2) of underwater pelletizer
Rear end connects, and the rear end of oil sealing flange (20) is connect with the front end of fixture flange (22), the rear end of fixture flange (22) and bearing
The front end connection of seat (39)；The front end oil sealing includes oil sealing cover (16), copper sheathing (21), O-ring seals (28), packing holder
(18), stainless steel insert oil sealing I (17) and stainless steel insert oil sealing II (27), copper sheathing (21) are arranged in oil sealing flange (20) endoporus
Middle front part, the front end connection oil sealing cover (16) of copper sheathing (21), oil sealing cover (16) is fixed on the front end of oil sealing flange (20)
On end face, by oil sealing cover (16) axial restraint copper sheathing (21), packing holder is equipped between copper sheathing (21) and knife bar (38)
(18), stainless steel insert oil sealing I (17) and stainless steel insert oil sealing II (27) is fixed in packing holder (18)；The rear end oil
Package includes stainless steel insert oil sealing III (25) and sealing ring pressing plate (26), is arranged between fixture flange (22) and knife bar (38)
Stainless steel insert oil sealing III (25), sealing ring pressing plate (26) are fixed on the front end surface of fixture flange (22), pass through sealing ring pressure
Plate (26) axial restraint stainless steel insert oil sealing III (25), rear portion of air inlet (29) setting in oil sealing flange (20).
3. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 2, it is characterised in that：It is described stainless
Steel skeleton oil sealing I (17), stainless steel insert oil sealing II (27) and stainless steel insert oil sealing III (25) are lips polytetrafluoroethylene (PTFE)
Oil sealing, and it is equipped with the thread groove opposite with knife bar (38) steering in lip inner wall.
4. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 2, it is characterised in that：The copper sheathing
(21) O-ring seals (28) are equipped between rear and front end and oil sealing flange (20).
5. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 1, it is characterised in that：Two stainless
Steel ball (33) is separately mounted in the both sides steel ball seat (51) of cutter axis (32), by being mounted on cutter axis (32) both sides steel ball seat
(51) steel-ball groove (54) the connection cutter axis (32) and cutter disc (31) of stainless steel ball (33) and cutter disc (31) both sides in, cut
Cutterhead (31) with two stainless steel balls (33) being mounted in cutter axis (32) both sides steel ball seat (51) for supporting point, cutter disc
(31) bullet of compressed spring (35) is relied between the spherical inside surface (53) at center and the spherical outer surface (52) of cutter axis (32)
Masterpiece universal movement, to ensure that the blade of all cutters (30) is fitted closely with fervent die face (8) simultaneously.
6. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 1, it is characterised in that：It is described pneumatic
The front end surface of plunger (36) is equipped with screw hole (49).
7. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 1, it is characterised in that：It is described pneumatic
The periphery of plunger (36) is equipped with multiple O-ring slots (48), and fluororubber O shape circle (37) is equipped in O-ring slot (48).
8. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 1, it is characterised in that：The bearing
Lubricating cup (40) is installed, lubricating cup (40) is used to inject lubricating grease into bearing block (39) on seat (39).
9. a kind of pneumatic adjusting lever structure of underwater pelletizer according to claim 1, it is characterised in that：It is described pneumatic
Adjustment structure includes pneumatic hand valve (9), tracheae I (10), pressure reducing valve (11), tracheae II (12), solenoid valve (13) and tracheae III
(14), the air source of the air inlet termination compressed air of pneumatic hand valve (9), the outlet side of pneumatic hand valve (9) by tracheae I (10) with
The inlet end of pressure reducing valve (11) connects, and the outlet side of pressure reducing valve (11) is connected by the inlet end of tracheae II (12) and solenoid valve (13)
It connects, the outlet side of solenoid valve (13) is connect by tracheae III (14) with air inlet (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820434046.8U CN208006048U (en) | 2018-03-28 | 2018-03-28 | The pneumatic adjusting lever structure of underwater pelletizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820434046.8U CN208006048U (en) | 2018-03-28 | 2018-03-28 | The pneumatic adjusting lever structure of underwater pelletizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208006048U true CN208006048U (en) | 2018-10-26 |
Family
ID=63891189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820434046.8U Withdrawn - After Issue CN208006048U (en) | 2018-03-28 | 2018-03-28 | The pneumatic adjusting lever structure of underwater pelletizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208006048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284537A (en) * | 2018-03-28 | 2018-07-17 | 南京杰恩特机电有限公司 | The pneumatic adjusting lever structure of underwater pelletizer |
| IT202100032447A1 (en) * | 2021-12-23 | 2023-06-23 | Baracco S R L Unipersonale | CUTTING UNIT FOR A GRANULATION SYSTEM, GRANULATION SYSTEM AND METHOD |
-
2018
- 2018-03-28 CN CN201820434046.8U patent/CN208006048U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284537A (en) * | 2018-03-28 | 2018-07-17 | 南京杰恩特机电有限公司 | The pneumatic adjusting lever structure of underwater pelletizer |
| CN108284537B (en) * | 2018-03-28 | 2023-11-07 | 南京杰恩特机电有限公司 | Pneumatic adjusting cutter bar structure of underwater pelletizer |
| IT202100032447A1 (en) * | 2021-12-23 | 2023-06-23 | Baracco S R L Unipersonale | CUTTING UNIT FOR A GRANULATION SYSTEM, GRANULATION SYSTEM AND METHOD |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108284537A (en) | The pneumatic adjusting lever structure of underwater pelletizer | |
| CN208006048U (en) | The pneumatic adjusting lever structure of underwater pelletizer | |
| CA1144001A (en) | Seal plate drive for use with apparatus for pressure feeding and pressure cooking a food product | |
| CN208729685U (en) | A kind of roots blower bearing extractor | |
| CN201787069U (en) | Dynamic sealing structure for stern shaft of underwater pressure-bearing shell | |
| CN101893093B (en) | Dynamic seal structure of screw shaft of underwater pressure-bearing shell | |
| CN104923126A (en) | Self-sealing small ring die granulator | |
| CN109185222B (en) | Impeller of centrifugal pump | |
| CN106944959B (en) | Automatic oil return type hydraulic pipe tongs | |
| CN212441436U (en) | Large-scale horizontal ball mill of quick cooling | |
| CN109163120B (en) | Swing type half-body valve core plug valve | |
| CN211385222U (en) | Rubber powder asphalt mill | |
| CN219885031U (en) | Rotary discharge valve | |
| CN208852939U (en) | A kind of flour mill for thermosetting powder coating processing | |
| CN207806736U (en) | A kind of 800 tons of billet shears | |
| CN107384498B (en) | Novel biomass fuel particle forming machine | |
| CN201461998U (en) | Triple eccentric butterfly valve | |
| CN216200508U (en) | Easily change powder axle head sealing device | |
| CN205664035U (en) | High -speed rotary joint of split type high performance | |
| CN221026363U (en) | Rotary valve with anti-blocking effect | |
| CN211638993U (en) | Hydraulic adjusting device for inner circle cutting blade | |
| CN107972198A (en) | A kind of rubber comminutor | |
| CN214599253U (en) | High-frequency automatic adjustment cone machine | |
| CN218556913U (en) | Pneumatic wrench of pin-free striking mechanism | |
| CN202828963U (en) | Wind seal unloader with adjustable clearance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20231107 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20231107 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |