CN108527813A - Without silk screen filter equipment and self sealss cooling transmission device - Google Patents
Without silk screen filter equipment and self sealss cooling transmission device Download PDFInfo
- Publication number
- CN108527813A CN108527813A CN201810360170.9A CN201810360170A CN108527813A CN 108527813 A CN108527813 A CN 108527813A CN 201810360170 A CN201810360170 A CN 201810360170A CN 108527813 A CN108527813 A CN 108527813A
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- Prior art keywords
- cooling
- self sealss
- shaft
- section
- transmission device
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- 238000001816 cooling Methods 0.000 title claims abstract description 147
- 241000283216 Phocidae Species 0.000 title claims abstract description 95
- 230000005540 biological transmission Effects 0.000 title claims abstract description 74
- 230000002441 reversible effect Effects 0.000 claims abstract description 23
- 239000002826 coolant Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000003507 refrigerant Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 13
- 244000144985 peep Species 0.000 claims description 11
- 241001633942 Dais Species 0.000 claims description 10
- 230000000452 restraining effect Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 abstract description 41
- 229920003023 plastic Polymers 0.000 abstract description 41
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000000314 lubricant Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to extruder technology fields, more particularly to a kind of no silk screen filter equipment and self sealss cooling transmission device, self sealss cooling transmission device includes mainshaft mechanism and connecting flange, mainshaft mechanism includes transmission main shaft and cooling shaft cover, transmission main shaft is divided into splined shaft section, self sealss shaft part and propeller section, cooling shaft cover is sheathed on self sealss shaft part, cooling shaft cover offers cooling annular groove, connecting flange is sheathed on cooling shaft cover, connecting flange offers two refrigerant through-holes, two refrigerant through-holes are connected with cooling annular groove, self sealss shaft part offers reverse thread slot.When molten plastic enters in reverse thread slot, cooling medium in cooling annular groove cools down to molten plastic, molten plastic state is changed into solid-state, solid plastics can be pushed out back in filter box again under the promotion of reverse thread, molten plastic can generate lubricant effect to cooling shaft cover and self sealss shaft part, reduce the frictional dissipation between cooling shaft cover and self sealss shaft part.
Description
Technical field
The invention belongs to extruder technology field more particularly to a kind of no silk screen filter equipment and self sealss cooling transmission dresses
It sets.
Background technology
In plastics-production industry, it can generally be arranged in plastic extruder without wire gauzee filter, to filter out melting modeling
Granule foreign in material.And the operation principle without wire gauzee filter is the transmission shaft band by being sequentially connected with motor and speed reducer
Dynamic scraper rotation, the impurity on filter plate to strike off no wire gauzee filter.Since plastic extrusion operation is typically all in high temperature
(250 DEG C~270 DEG C) carry out in high pressure (8MPa~30MPa) environment, therefore between transmission shaft and the axle sleeve of fixed conveyor axis
It is difficult to adopt common lubrication and sealing means, currently, generally use graphite copper sheathing is matched with transmission shaft to ensure transmission shaft
Lubrication that is timely and stablizing and effective sealing can be obtained when working in high temperature and high pressure environment.
However, graphite copper sheathing is easily worn in high temperature and high pressure environment, once graphite copper sheathing is worn, sealing
Performance will be remarkably decreased, then extraneous molten plastic will enter transmission shaft and graphite copper from the fray of graphite copper sheathing
In gap between set and continue to squeeze out from the gap location between no wire gauzee filter and speed reducer, causes material and the wave in working hour
Take and pollution is generated to environment.
Invention content
The purpose of the present invention is to provide a kind of no silk screen filter equipment and self sealss cooling transmission devices, it is intended to solve existing
There is easy to wear without the propeller shaft tube in wire gauzee filter in technology so that molten plastic is squeezed out from fray to the external world,
And then the technical issues of leading to the waste of material and working hour and pollution is generated to environment.
To achieve the above object, the technical solution adopted by the present invention is：A kind of self sealss cooling transmission device, including main shaft
Mechanism and connecting flange for connecting extraneous filter box and extraneous speed reducer, the mainshaft mechanism includes transmission main shaft
And cooling shaft cover, the transmission main shaft are divided into the flower for being connect with the scraper of the filter box along its axis direction by sequence
Key shaft part, for the transmission shaft with the matched self sealss shaft part of cooling shaft cover and for being connect with the speed reducer drive
Section, the cooling shaft cover is rotationally sheathed on the self sealss shaft part, and the lateral wall of the cooling shaft cover open up it is useful
In the cooling annular groove to circulate for coolant media, the connecting flange is sheathed on the cooling shaft cover, and the connecting flange
Lateral wall offers the two refrigerant through-holes being oppositely arranged, and the two refrigerant through-holes are connected with the cooling annular groove, it is described from
The lateral wall of sealing shaft part offers reverse thread slot.
Further, the cooling shaft cover along center axis direction be divided into for open up on the filter box
The thread segment and cooling section of tapped through hole screw-thread fit, the connecting flange are sheathed on the cooling section, and the cooling annular groove is opened
On the lateral wall of the cooling section.
Further, the cooling section and the thread segment with the self sealss shaft part clearance fit, and the cooling
The clearance distance that section and the thread segment are formed between the self sealss shaft part is 0.2mm~0.6mm.
Further, the flange hole inner wall depression of the connecting flange is formed with the first accommodating ring cavity and the second holding ring
Chamber, forms restraining position ring block rank between the first accommodating ring cavity and the second accommodating ring cavity, the cooling section is placed in described
First holding ring intracavitary, the propeller section are placed in close to one end of the self sealss shaft part in the described second accommodating ring cavity,
And lateral wall protrusion of the propeller section close to one end of the self sealss shaft part extends to form restraining position ring block platform, the limit
Land gap setting is in the limit loop order.
Further, the inner wall of the limit loop order offers at least one peep hole, each peep hole with the external world
It is connected.
Further, the second holding ring intracavitary is provided with bearing, and the bearing holder (housing, cover) is set in the propeller section, institute
Lateral wall of the propeller section away from one end of the self sealss shaft part is stated to be arranged and be fixed with connecting bushing, the connecting bushing it is outer
Side wall is arranged the transmission gear being fixed with for the drive connection of the output end of the speed reducer.
Further, the self sealss cooling transmission device further includes buffer gear, and the buffer gear includes that spring is slow
Component and connecting rod are rushed, the first end of the connecting bushing, which is arranged, to be fixed in the propeller section, the spring buffer component
It is fixedly installed in the second end of the connecting bushing, the connecting rod is set in the connecting bushing, and the of the connecting rod
One end and second end are connected with the propeller section and the spring buffer component respectively.
Further, the spring buffer component includes fixed plate, fixed seat, spring abutment and disc spring, and the fixed plate envelope is set
The opening of one end is obtained away from the propeller section in the connecting bushing, the fixed seat is fixedly installed in the fixed plate
It goes up and is located in the connecting bushing, installation cavity is offered in the fixed seat, the installation cavity is close to the transmission shaft
The inner wall protrusion of section side has extended to form the first limit baffle ring, and the disc spring is sheathed on the spring abutment, outside the spring abutment
Projected side wall has extended to form the second limit baffle ring, the both ends of the disc spring respectively with first limit baffle ring and described second
Limit baffle ring abuts against, and the second end of the connector is connected in by fastener on the spring abutment.
Further, the spring abutment offers through hole, and the second end of the connecting rod passes through the through hole and extends
In to the installation cavity, the second end rotation set of the connecting rod has the stop nut as the fastener, the limit spiral shell
It is female to be abutted against with the spring abutment.
Beneficial effects of the present invention：The self sealss cooling transmission device of the present invention, when work, the both ends difference of connecting flange
It is connected with the filter box of no silk screen filter equipment and speed reducer, the transmission main shaft of mainshaft mechanism passes through connecting flange, and makes
It obtains its splined shaft section to extend into scraper to be connected in filter box, self sealss shaft part is set in connecting flange, propeller section
The driving end in speed reducer and with speed reducer is then extended to be sequentially connected.In this way, the motor drive when no silk screen filter equipment subtracts
When fast machine operating, propeller section is subject to the driving of speed reducer and rotates, and then drives splined shaft section rotation, then connecting
The scraper being connected on splined shaft just can rotate with splined shaft and scrape the impurity particle on the filter plate in filter box.It is heavier
It wants, when gap of the extraneous molten plastic between cooling shaft cover and self sealss shaft part enters in reverse thread slot,
Since the lateral wall of cooling shaft cover offers the cooling annular groove for circulating for coolant media, circulate in this way in cooling annular groove
Cooling medium just can play the role of cooling to the molten plastic being placed in reverse thread slot, so that melting modeling
The state of material is changed into solid-state, and when molten plastic is changed into solid plastics, can with the rotation of self sealss shaft part and
It is pushed out back again in filter box under the promotion of reverse thread at reverse thread slot, so just prevents molten plastic along cold
But the gap between axle sleeve and self sealss shaft part is squeezed out in the external world.Simultaneously as being trapped in the molten plastic in reverse thread slot
For fluid, the molten plastic being stranded in this way between cooling shaft cover and self sealss shaft part just can be to cooling shaft cover and self sealss axis
Section generates lubricant effect, just significantly reduces the frictional dissipation between cooling shaft cover and self sealss shaft part in this way, while also effectively
It prevents molten plastic to leak from the two fray, and then also prevents the wave of the materials such as damage and plastics to environment
Take.
Another technical solution that the present invention uses is：A kind of no silk screen filter equipment includes that above-mentioned self sealss cool down
Transmission device.
The present invention without silk screen filter equipment, due to including above-mentioned self sealss cooling transmission device, in this way without silk screen
In the process of running, the molten plastic in filter box is subject to transmission master in self sealss cooling transmission device to filter plant
The collective effect of reverse thread slot and the coolant media circulated in cooling shaft cover is offered on the self sealss shaft part of axis and is limited
System in filter box, will not be revealed from the gap between the transmission main shaft and cooling shaft cover of self sealss cooling transmission device in
It is extraneous.It so just ensure that the operation stability during no silk screen filter equipment is used for a long time, improve no silk screen filter and set
Standby use quality.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of self sealss cooling transmission device provided in an embodiment of the present invention；
Fig. 2 be self sealss cooling transmission device provided in an embodiment of the present invention and no silk screen filter equipment filter box,
Speed reducer and the matched structural schematic diagram of motor；
Fig. 3 is the partial enlarged view at A in Fig. 2；
Fig. 4 is the structural schematic diagram of the transmission main shaft of self sealss cooling transmission device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the connecting flange of self sealss cooling transmission device provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the cooling shaft cover of self sealss cooling transmission device provided in an embodiment of the present invention；
Fig. 7 is the Section View of the line B-B along Fig. 6.
Wherein, each reference numeral in figure：
10-mainshaft mechanism 11-transmission main shaft, 12-cooling shaft covers
20-connecting flange the 22-the second accommodating ring cavities of the 21-the first accommodating ring cavity
23-limit loop order 30-buffer gear, 31-connecting rods
32-spring buffer component 40-filter box, 50-speed reducers
60-motor 111-splined shaft section, 112-self sealss shaft parts
113-reverse thread slot 114-propeller section, 115-limited ring dais
116-keyway 117-connecting bushing, 118-transmission gears
121-122-cooling section of thread segment, 123-cooling annular grooves
211-refrigerant through-hole 212-annular spacing groove, 213-waterproof grommets
221-bearing 222-taper sheath, 223-spherical pads
224-spheric seating 231-peep hole, 311-stop nuts
321-fixed plate 322-disc spring, 323-spring abutments
324-fixed seat 325-installation the 326-the first limit baffle rings of cavity.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~7 is described is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the present invention
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1, Figure 2 and Figure 4, self sealss cooling transmission device provided in an embodiment of the present invention, including mainshaft mechanism
10 and the connecting flange 20 for connecting extraneous filter box 40 and extraneous speed reducer 50, mainshaft mechanism 10 include that transmission is led
Axis 11 and cooling shaft cover 12, transmission main shaft 11 are divided by sequence for connecting with the scraper of filter box 40 along its axis direction
Splined shaft section 111, for 12 matched self sealss shaft part 112 of cooling shaft cover and for being sequentially connected with speed reducer 50
Propeller section 114, cooling shaft cover 12 are rotationally sheathed on self sealss shaft part 112, and the lateral wall of cooling shaft cover 12 opens up
It is useful for the cooling annular groove 123 to circulate for coolant media, connecting flange 20 is sheathed on cooling shaft cover 12, and connecting flange 20
Lateral wall offers the two refrigerant through-holes 211 being oppositely arranged, and two refrigerant through-holes 211 are connected with cooling annular groove 123, self sealss
The lateral wall of shaft part 112 offers reverse thread slot 113.
The self sealss cooling transmission device of the embodiment of the present invention, when work, the both ends of connecting flange 20 respectively with no silk screen
The filter box 40 of filter plant is connected with speed reducer 50, and the transmission main shaft 11 of mainshaft mechanism 10 passes through connecting flange 20, and
So that its splined shaft section 111 extends into filter box 40 to be connected with scraper, self sealss shaft part 112 is set to connecting flange 20
Interior, propeller section 114 then extends to the drive connection of the driving end in speed reducer 50 and with speed reducer 50.In this way, when no silk screen mistake
When filtering the drive operating of speed reducer 50 of motor 60 of equipment, propeller section 114 is subject to the driving of speed reducer 50 and rotates,
And then splined shaft section 111 is driven to rotate, then the scraper being connected on splined shaft section 111 just can turn with splined shaft section 111
It moves and scrapes the impurity particle on the filter plate in filter box 40.Importantly, working as extraneous molten plastic from cooling shaft
When gap between set 12 and self sealss shaft part 112 is entered in reverse thread slot 113, since the lateral wall of cooling shaft cover 12 is opened
Equipped with the cooling annular groove 123 for circulating for coolant media, extraneous coolant media can be by opening on connecting flange 20 in this way
If refrigerant through-hole 211 and enter in cooling annular groove 123, then the cooling medium circulated in cooling annular groove 123 just can
Play the role of cooling to the molten plastic being placed in reverse thread slot 113, so that the state of molten plastic turns
Become solid-state, and when molten plastic is changed into solid plastics, it can be with the rotation of self sealss shaft part 112 and in reverse thread
It is pushed out back again under the promotion of reverse thread at slot 113 in filter box 40, so just prevents molten plastic along cooling
Gap between axle sleeve 12 and self sealss shaft part 112 is squeezed out in the external world, realizes self sealss effect.Simultaneously as being trapped in anti-
Molten plastic into thread groove 113 is fluid, the melting modeling being stranded in this way between cooling shaft cover 12 and self sealss shaft part 112
Material just can generate lubricant effect to cooling shaft cover 12 and self sealss shaft part 112, just significantly reduce 12 He of cooling shaft cover in this way
Frictional dissipation between self sealss shaft part 112, while also molten plastic effectively being prevented to leak from the two fray, into
And also prevent the waste of the materials such as damage and plastics to environment.
Further, coolant media can be recirculated cooling water.Recirculated cooling water is flowed into from one of refrigerant through-hole 211
Cooling annular groove 123, then flowed out from another refrigerant through-hole 211, so just form circulating cooling access.And by by cold media
Matter is set as cooling water, then it is more convenient due to obtaining cooling water, it so just significantly reduces in reverse thread slot 113
The process costs that molten plastic cools down.
Optionally, coolant media can be cooling oil, since oily substance is not easy to generate corrosion, such cooling oil to metal
During carrying out long-term cooling cycle, influence to be far smaller than cooling water to cooling shaft cover 12 to the corrosion of cooling shaft cover 12
Action of rust, to ensure that mechanical integrity of the cooling shaft cover 12 during long service does not go to pot.
Preferably, coolant media can also be compressed gas, by selecting compressed gas to be used as coolant media, then high speed
When compressed gas enters cooling annular groove 123, you can take away the heat that molten plastic transmission comes, realize the cooling to molten plastic
Cooling.Meanwhile selecting compressed gas as coolant media, it also can avoid generating corrosion to cooling shaft cover 12, while also can avoid
Cooling water or cooling oil leak to ambient enviroment and are easy that trigger wire encounters liquid and short circuit occurs.So just
Significantly improve the safety of self sealss cooling transmission device operation.
In the present embodiment, as shown in Fig. 1, Fig. 6 and Fig. 7, cooling shaft cover 12 is divided into along center axis direction and is used for
With the thread segment 121 and cooling section 122 of the tapped through hole screw-thread fit opened up on filter box 40, connecting flange 20 is sheathed on cold
But section 122, cooling annular groove 123 are opened on the lateral wall of cooling section 122.Specifically, by the way that cooling shaft cover 12 is divided into spiral shell
Line section 121 and cooling section 122 so just clearly divide cooling shaft cover 12 from being functionally made that.So, thread segment
121 can be threadedly coupled with the threaded hole realization opened up on the extraneous filter box 40 without silk screen filter equipment, and then realize
Cooling shaft cover 12 is detachably connected with filter box 40, so also provides guarantor for the operation of the stable rotation of transmission main shaft 11
Barrier.
Further, since cooling annular groove 123 is opened in the lateral wall of cooling section 122, it just corresponds to reversed spiral shell in this way
The second half section of groove 113 in this way when molten plastic squeezes into reverse thread slot 113, and arrives at the second half section of reverse thread slot 113
When, it can be solidified by the cooling effect of coolant media, finally under the rotation of reverse thread slot 113 drive, push
In the filter box 40 of the common reflux of molten plastic of 113 front half section of reverse thread slot outwardly, reversed spiral shell is so just improved
Groove 113 pushes the efficiency of molten plastic reflux.
In the present embodiment, as shown, cooling section 122 and thread segment 121 with 112 clearance fit of self sealss shaft part,
And the clearance distance that cooling section 122 and thread segment 121 are formed between self sealss shaft part 112 is 0.2mm~0.6mm.Specifically
The clearance distance that ground, cooling section 122 and thread segment 121 are formed between self sealss shaft part 112 can be 0.2mm, 0.25mm,
0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm or 0.6mm.
Further, by setting cooling section 122 and thread segment 121 relative to the clearance distance of self sealss shaft part 112
For 0.02mm~0.06mm, such cooling section 122 and thread segment 121 and self sealss shaft part 112 just there are enough gaps, into
And molten plastic is entered in it, and realize lubricant effect.
Preferably, cooling section 122 and thread segment 121 relative to the clearance distance of self sealss shaft part 112 can be 0.3mm~
0.5mm.Further, cooling section 122 and thread segment 121 can be relative to the clearance distance of self sealss shaft part 112
0.3mm、0.31mm、0.32mm、0.33mm、0.34mm、0.35mm、0.36mm、0.37mm、0.38mm、0.39mm、0.40mm、
0.41mm, 0.42mm, 0.43mm, 0.44mm, 0.45mm, 0.46mm, 0.47mm, 0.48mm, 0.49mm or 0.5mm.
In this way, by further limiting the clearance gap of cooling section 122 and thread segment 121 relative to self sealss shaft part 112
From for 0.3mm~0.5mm, it on the one hand ensure that cooling section 122 is protected with thread segment 121 relative to self sealss shaft part 112 in this way
Hold rational gap, so that molten plastic can be entered in reverse thread slot 113 by gap.On the other hand it also avoids
Gap is excessive and causes the molten plastic into gap excessive, causes molten plastic and is revealed from gap location in the external world.
In the present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 5, the flange hole (not shown) inner wall depression shape of connecting flange 20
At having the first accommodating ring cavity 21 and the second accommodating ring cavity 22, formed between the first accommodating ring cavity 21 and the second accommodating ring cavity 22 limited
Position loop order 23, cooling section 122 are placed in the first accommodating ring cavity 21, and propeller section 114 is held close to one end of self sealss shaft part 112
It is placed in the second accommodating ring cavity 22, and lateral wall protrusion of the propeller section 114 close to one end of self sealss shaft part 112 extends to form
Restraining position ring block platform 115,115 gap setting of limited ring dais is in limit loop order 23.Specifically, by making the inner wall of flange hole recessed
It falls into and is formed with the first accommodating ring cavity 21 and the second accommodating ring cavity 22, such self sealss shaft part 112 and propeller section 114 are close from close
One end of envelope shaft part 112 can be respectively contained in the first accommodating ring cavity 21 and the second accommodating ring cavity 22.And by opening up limit
Land 115, and on the one hand 115 gap setting of limited ring dais is made into propeller section 114 and limit in this way in limit loop order 23
The cooperation of loop order 23 is more accurate, and then also improves rotational stability of the transmission main shaft 11 relative to connecting flange 20.It is another
Aspect, due to 115 gap setting of limited ring dais in limit loop order 23 in, between such propeller section 114 and self sealss shaft part 112
Just it is able to the cooperation by limited ring dais 115 and limit loop order 23 by separates, even when molten plastic is along self sealss shaft part 112
It leaks, also can be avoided leaking out at propeller section 114 by the blocking of limited ring dais 115 and limit loop order 23.
Further, as shown in Figures 1 to 3, the madial wall of the first accommodating cavity corresponds to equal at the position of 123 both sides of cooling annular groove
Annular spacing groove 212 is offered, waterproof grommet 213 is embedded in two annular spacing grooves 212, two waterproof grommets 213 are
It is abutted against with the lateral wall of cold war axle sleeve.In this way, the presence of two waterproof grommets 213 is just to circulating in cooling annular groove 123
Coolant media plays the role of dual-seal, avoids gap of the coolant media between cooling shaft cover 12 and connecting flange 20
It overflows.
In the present embodiment, as shown in Figure 1, Figure 2 and shown in Fig. 5, the inner wall of limit loop order 23 offers at least one peep hole
231, each peep hole 231 is connected with the external world.Specifically, by opening up at least one peep hole in the inner wall of limit loop order 23
231, such operating personnel can observe limited ring dais 115 by peep hole 231, so determine at limited ring dais 115 whether
There is molten plastic spilling, so just significantly facilitates operating personnel and repair and maintenance is carried out to self sealss cooling transmission device in time.
Further, each peep hole 231 is in the layout of in array axis on limit loop order 23.In this way, no matter connecting flange 20
How installation site changes, and operating personnel can find the peep hole 231 at ideal position and carry out peep hole 231, so just
It has been obviously improved the man-machine efficacy of self sealss cooling transmission device.
In the present embodiment, as shown in Figures 1 to 3, it is provided with bearing 221 in the second accommodating ring cavity 22, bearing 221 is sheathed on
In propeller section 114, lateral wall of the propeller section 114 away from one end of self sealss shaft part 112, which is arranged, is fixed with connecting bushing
117, the lateral wall of connecting bushing 117 is arranged the transmission gear 118 being fixed with for the drive connection of the output end of speed reducer 50.
Specifically, by the way that bearing 221 is arranged in the second accommodating cavity, then when propeller section 114 rotates in the second accommodating ring cavity 22,
Just frictional dissipation is significantly reduced, and ensure that rotation of the propeller section 114 in the second accommodating ring cavity 22 is more accurate and steady
It is fixed.
Further, as shown in figure 4, being further opened with keyway 116 in propeller section 114, it is embedded with pin key in keyway 116,
Propeller section is connected by pin key with connecting bushing 117.Further, it is additionally provided with taper sheath in the second accommodating ring cavity 22
222, spherical pad 223 and spheric seating 224, taper sheath 222 are sheathed on propeller section 114, and the side of taper sheath 222 and bearing
221 abut against, and the other side and the limited ring dais 115 of taper sheath 222 abut against.Spherical pad 223 is sheathed in propeller section 114
And positioned at the other side of bearing 221, spheric seating 224, which is sheathed in propeller section 114 and is embedded, is fixed on the second accommodating ring cavity 22
It is interior, and the side of spheric seating 224 is bonded setting with spherical pad 223.Spherical pad 223 and spheric seating 224 are and propeller section
114 clearance fits.In this way, under the common limit of spheric seating 224, spherical pad 223 and taper sheath 222, bearing 221 just can
Its position in the second accommodating ring cavity 22 is enough kept not change, so that the rotation of transmission main shaft 11 is more stable.
In the present embodiment, as shown in Figures 2 and 3, self sealss cooling transmission device further includes buffer gear 30, buffer
Structure 30 includes spring buffer component 32 and connecting rod 31, and the first end of connecting bushing 117, which is arranged, to be fixed in propeller section 114,
Spring buffer component 32 is fixedly installed in the second end of connecting bushing 117, and connecting rod 31 is set in connecting bushing 117, and is connected
The first end and second end of bar 31 is connected with propeller section 114 and spring buffer component 32 respectively.Specifically, slow by being arranged
Punch mechanism 30, and the spring buffer component 32 of buffer gear 30 being connected with propeller section 114 by connecting rod 31, in this way when
When the tendency to jump before and after its axis direction occurs for transmission main shaft 11, spring buffer component 32 just can inhibit buffering transmission master
It jumps before and after axis 11, so that the scraper being connected with transmission main shaft 11 strikes off the process of impurity on filter plate in filter box 40
Stablize and carries out.
In the present embodiment, as shown in figure 3, spring buffer component 32 includes fixed plate 321, fixed seat 324, spring abutment 323
With disc spring 322,321 envelope of fixed plate obtains the opening of one end, fixed seat 324 set on connecting bushing 117 away from propeller section 114
It is fixedly installed in fixed plate 321 and in connecting bushing 117, installation cavity 325 is offered in fixed seat 324, installation is logical
Inner wall protrusion of the chamber 325 close to 114 side of propeller section has extended to form the first limit baffle ring 326, and disc spring 322 is sheathed on spring abutment
On 323, the lateral wall protrusion of spring abutment 323 has extended to form the second limit baffle ring, the both ends of disc spring 322 respectively with the first limiting block
Ring 326 and the second limit baffle ring abut against, and the second end of connector is connected in by fastener on spring abutment 323.Specifically, due to
Disc spring 322 is arranged between the first limit baffle ring 326 and the second limit baffle ring in installation cavity 325, and connector is connected in
On spring abutment 323, then when the front and back tendency to jump occurs for transmission main shaft 11, the tendency that will will jump is transferred to connecting rod
31, then jumping for transmission main shaft 11 can be offset under the resilient support of disc spring 322 with the spring abutment 323 of 31 phase of connecting rod clamping
Tendency, has just ensured the rotational stability of transmission main shaft 11 in this way.
In the present embodiment, as shown in figure 3, spring abutment 323 offers through hole (not shown), the second end of connecting rod 31 is worn
It crosses through hole and extends in installation cavity 325, the second end rotation set of connecting rod 31 has the stop nut 311 as fastener,
Stop nut 311 is abutted against with spring abutment 323.Specifically, by the second end rotation set stop nut 311 in connecting rod 31, then
Stop nut 311 can be abutted against with spring abutment 323, and then realized connecting rod 31 and be clamped with 323 phase of spring abutment.
The embodiment of the present invention additionally provides a kind of no silk screen filter equipment, includes that above-mentioned self sealss cooling transmission fills
It sets.
The present invention without silk screen filter equipment, due to including above-mentioned self sealss cooling transmission device, in this way without silk screen
In the process of running, the molten plastic in filter box 40 is subject to transmission in self sealss cooling transmission device to filter plant
Being total to for reverse thread slot 113 and the coolant media that circulates in cooling shaft cover 12 is offered on the self sealss shaft part 112 of main shaft 11
Same-action and be limited in filter box 40, will not be from the transmission main shaft 11 and cooling shaft cover 12 of self sealss cooling transmission device
Between gap at leakage in the external world.It so just ensure that the operation stability during no silk screen filter equipment is used for a long time,
Improve the use quality of no silk screen filter equipment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of self sealss cooling transmission device, it is characterised in that：Including mainshaft mechanism and for connecting extraneous filter box
With the connecting flange of extraneous speed reducer, the mainshaft mechanism includes transmission main shaft and cooling shaft cover, and the transmission main shaft is along it
Axis direction is divided into splined shaft section for being connect with the scraper of the filter box by sequence, for being matched with cooling shaft cover
Self sealss shaft part and propeller section for being connect with the speed reducer drive, the cooling shaft cover be rotationally sheathed on
On the self sealss shaft part, and the lateral wall of the cooling shaft cover offers the cooling annular groove for circulating for coolant media, institute
It states connecting flange to be sheathed on the cooling shaft cover, and the lateral wall of the connecting flange offers the refrigerant that two are oppositely arranged and leads to
Hole, the two refrigerant through-holes are connected with the cooling annular groove, and the lateral wall of the self sealss shaft part offers reverse thread
Slot.
2. self sealss cooling transmission device according to claim 1, it is characterised in that：The cooling shaft cover is along central shaft
Line direction is divided into for the thread segment and cooling section with the tapped through hole screw-thread fit opened up on the filter box, the company
Acting flange is sheathed on the cooling section, and the cooling annular groove is opened on the lateral wall of the cooling section.
3. self sealss cooling transmission device according to claim 1, it is characterised in that：The cooling section and the thread segment
With the self sealss shaft part clearance fit, and the cooling section and the thread segment are formed between the self sealss shaft part
Clearance distance be 0.2mm~0.6mm.
4. self sealss cooling transmission device according to claim 2, it is characterised in that：In the flange hole of the connecting flange
Wall recess is formed with the first accommodating ring cavity and the second accommodating ring cavity, between the first accommodating ring cavity and the second accommodating ring cavity
Restraining position ring block rank is formed, the cooling section is placed in the first holding ring intracavitary, and the propeller section is close to the self sealss
One end of shaft part is placed in the described second accommodating ring cavity, and the propeller section is close to the outer of one end of the self sealss shaft part
Projected side wall extends to form restraining position ring block platform, and the limited ring dais gap setting is in the limit loop order.
5. self sealss cooling transmission device according to claim 4, it is characterised in that：The inner wall of the limit loop order opens up
There are at least one peep hole, each peep hole to be connected with the external world.
6. self sealss cooling transmission device according to claim 4, it is characterised in that：The second holding ring intracavitary setting
There are bearing, the bearing holder (housing, cover) to be set in the propeller section, the propeller section is away from the outer of one end of the self sealss shaft part
Side wall, which is arranged, is fixed with connecting bushing, and the lateral wall of the connecting bushing is arranged the output end being fixed with for the speed reducer
The transmission gear of drive connection.
7. self sealss cooling transmission device according to claim 6, it is characterised in that：The self sealss cooling transmission device
Further include buffer gear, the buffer gear includes spring buffer component and connecting rod, and the first end of the connecting bushing is arranged
It is fixed in the propeller section, the spring buffer component is fixedly installed in the second end of the connecting bushing, the connection
Bar be set to the connecting bushing in, and the first end and second end of the connecting rod respectively with the propeller section and the spring
Buffer Unit is connected.
8. self sealss cooling transmission device according to claim 7, it is characterised in that：The spring buffer component includes solid
Fixed board, fixed seat, spring abutment and disc spring, the fixed plate envelope obtain one end set on the connecting bushing away from the propeller section
Opening, the fixed seat are fixedly installed in the fixed plate and in the connecting bushing, are opened up in the fixed seat
There are installation cavity, inner wall protrusion of the installation cavity close to the propeller section side to extend to form the first limit baffle ring,
The disc spring is sheathed on the spring abutment, and the lateral wall protrusion of the spring abutment has extended to form the second limit baffle ring, the disc spring
Both ends abutted against respectively with first limit baffle ring and second limit baffle ring, the second end of the connector passes through card
Fastener is connected on the spring abutment.
9. self sealss cooling transmission device according to claim 8, it is characterised in that：The spring abutment offers through hole,
The second end of the connecting rod passes through the through hole and extends in the installation cavity, the second end rotation set of the connecting rod
There are the stop nut as the fastener, the stop nut to be abutted against with the spring abutment.
10. a kind of no silk screen filter equipment, it is characterised in that：It include claim 1~9 any one of them self sealss cooling
Transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360170.9A CN108527813B (en) | 2018-04-20 | 2018-04-20 | Silk-screen-free filtering equipment and self-sealing cooling transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810360170.9A CN108527813B (en) | 2018-04-20 | 2018-04-20 | Silk-screen-free filtering equipment and self-sealing cooling transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108527813A true CN108527813A (en) | 2018-09-14 |
| CN108527813B CN108527813B (en) | 2024-04-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810360170.9A Active CN108527813B (en) | 2018-04-20 | 2018-04-20 | Silk-screen-free filtering equipment and self-sealing cooling transmission device |
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| CN (1) | CN108527813B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108527813B (en) | 2024-04-12 |
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