CN201960727U - Plastic extruder capable of removing impurities - Google Patents
Plastic extruder capable of removing impurities Download PDFInfo
- Publication number
- CN201960727U CN201960727U CN2011200854672U CN201120085467U CN201960727U CN 201960727 U CN201960727 U CN 201960727U CN 2011200854672 U CN2011200854672 U CN 2011200854672U CN 201120085467 U CN201120085467 U CN 201120085467U CN 201960727 U CN201960727 U CN 201960727U
- Authority
- CN
- China
- Prior art keywords
- filter
- impurities removal
- screw feeder
- plastic extruder
- porous filter
- 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.)
- Expired - Lifetime
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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
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- 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
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a plastic extruder capable of removing impurities, belonging to the technical field of plastic extruders. The plastic extruder is provided with a filter, a porous filter sleeve with small filter holes is sleeved outside a conical spiral auger, a shell with a heater is sleeved outside the porous filter sleeve, the filter is provided with a feeding port communicated with the inner cavity of the porous filter sleeve, a discharge port communicated with the outer surface of the porous filter sleeve is arranged one side of the filter, an impurity storage sleeve with a heating device, and an impurity removing switch are sequentially arranged outwards on one side of the filter, one side of the impurity removing switch is provided with an impurity removing port, the auger conically stretches into the inner cavity of the impurity storage sleeve, the impurity storage sleeve with the heating device, the impurity removing switch and the inner cavity of the impurity removing port are communicated with the outlet of the auger, an output shaft of a speed changer driven by a motor is connected with the other side of the auger, and an axial position adjusting device of the auger is arranged between the speed changer and the auger. The plastic extruder provided by the utility model has the beneficial effects that the auger has an adjustable axial distance and can be used for removing impurities without shutdown, and the plastic extruder is suitable for continuous granulation processing of waste plastics.
Description
Technical field
The utility model belongs to the plastic extruder technical field, but refers in particular to a kind of plastic extruder of impurities removal.
Background technology
At present; the recovery granulating extruder of waste or used plastics; mostly be that front end at extruder is provided with the extrusion molding filter mechanism; a screen pack is installed additional in the front that plastics are extruded outlet in this mechanism; heater and wire drawing head; the extruder of this structure is when the raw material ratio of waste or used plastics is clean; can continue certain plastics and extrude the working time; screen pack should not stop up; but; when the waste or used plastics that reclaims messy; when particularly containing bigger metallic particles thing or impurity; in the process of plastic extruding forming; metallic particles thing or impurity can little by little stop up screen pack; its solution is first shutdown; the equipment of taking apart burns plastics and the online tamper of cleaning and filtering that has solidified on the head; reinstall use again; waste time and energy; the environmental pollution that plastics on the burning screen pack cause is big; in addition; the gap of screw feeder that extrusion molding of the prior art is used and the faying face that cooperates with the screw feeder outer surface belongs to nonadjustable structure, in case owing to reasons such as wearing and tearing make its excesssive gap will make feeding speed and the flow extruded changes, make the equipment cisco unity malfunction; become disposable apparatus, cause equipment scrapping the most at last.
Summary of the invention
But the purpose of this utility model provides the adjustable continuous operation of a kind of axial distance of screw feeder, does not shut down the plastic extruder of impurities removal.
The purpose of this utility model is achieved in that
But a kind of plastic extruder of impurities removal, one filter is set: be set with porous filter ruffle in the outside of cone-type spiral formula screw feeder with little filter opening, the outside of porous filter ruffle is set with the housing that has heater, filter is provided with the charging aperture that is communicated with the inner chamber of porous filter ruffle, one side is provided with the discharging opening that is communicated with the outer surface of porous filter ruffle, one side direction of filter is disposed with assorted cover of the storage that has heater and impurities removal switch outward, one side of impurities removal switch is provided with impurity discharging port, screw feeder is tapered to be extended in the assorted inner chamber that overlaps of storage, the assorted cover of storage that has heater, the impurities removal switch, the inner chamber of impurity discharging port is communicated with the outlet of screw feeder, the output shaft of the speed changer of driven by motor is connected with the opposite side of screw feeder, is provided with the axial location adjusting device of screw feeder between speed changer and the screw feeder.
Be provided with support ring between above-mentioned porous filter ruffle and the housing, described little filter opening be not set on the faying face of the porous filter ruffle that combines with support ring form supporting surface.
Above-mentioned little filter opening is that the side at porous filter ruffle internal conical surface is small through hole, is large through-hole near a side of porous filter ruffle outer conical surface, and small through hole is connected with large through-hole and communicates, and small through hole and large through-hole have 0～170 ° cone angle respectively.
The inner surface of above-mentioned porous filter ruffle has identical tapering with the outer surface of cone-type spiral formula screw feeder, matched in clearance between the outer surface of the inner surface of porous filter ruffle and cone-type spiral formula screw feeder.
The output shaft of above-mentioned speed changer is connected by key or the tooth that axially is provided with screw feeder.
The axial location adjusting device of above-mentioned screw feeder is that the undergauge place of the screw conveyor shaft between filter and the speed changer is provided with and is with externally threaded adjustment nut, adjusts nut and is provided with the internal thread that cooperates with the external screw thread of described adjustment nut with housing between the filter.
Above-mentioned impurities removal switch is a manual gas shut off or by timer-operated electrodynamic type switch.
The external cylindrical surface of the screw conveyor shaft of above-mentioned filter and one side of the filter between the speed changer is provided with one section several anti-overflow rings from raw material to speed changer one side flow or anti-overflow spiral of preventing, be arranged with the anti-overflow cover that connects with key or tooth on the screw conveyor shaft of anti-overflow ring or anti-overflow screw speed changer one side, the external cylindrical surface of anti-overflow cover is provided with anti-overflow ring or anti-overflow spiral.
The helical blade of above-mentioned screw feeder is provided with the decompression feedback outlet.
Be provided with coolant jacket between above-mentioned filter and the speed changer.
The beneficial effects of the utility model are:
But 1 continuous operation, do not shut down impurities removal: the utility model is because the impurity that is mingled with in the waste or used plastics filters the back through the porous filter ruffle is transported to the spiral screw feeder in the assorted cover of storage and also uses the impurities removal switch regularly to discharge from impurity discharging port; so the impurity that is mingled with in the waste or used plastics can not stop up the porous filter ruffle; but and then guaranteed the utility model continuous operation, do not shut down impurities removal, high efficiency.
2, the structural strength of porous filter ruffle of the present utility model is big, and the supporting role of porous filter ruffle support ring in addition is with respect to the long service life of screen pack of the prior art.
3, environmental protection: the utility model is provided with the charging and discharging mouth at the filter place, at an end of spiral screw feeder the impurities removal switch is set, and makes impurity in time to discharge from the impurity discharging port of impurities removal switch, has solved with fire burning filter and has caused environmental pollution problems.
4, the axial distance of screw feeder is adjustable: because the utility model adopts the screw feeder that certain taper is arranged to reach the porous filter ruffle that identical tapering is arranged with its outer surface, when the gap between the inner conical surface of the male cone (strobilus masculinus) of screw feeder and porous filter ruffle exceeds design load, axial location adjusting device with screw feeder makes screw feeder move forward with respect to the porous filter ruffle, fit clearance between it is diminished, adhere to specification until the gap of adjusting, make structure of the present utility model become the accessory wearing and tearing after adjust the equipment that can continue to use, the corresponding prolongation of the life-span of equipment, the overall manufacturing cost of product reduces.
5, of the present utility model simple in structure, dependable performance, the life-span of equipment is long, and is simple to operate, is applicable to the continuous granulation processing to waste or used plastics.
Description of drawings
Fig. 1 is a cross-sectional schematic of the present utility model.
Fig. 2 is the partial structurtes cutaway view of the utility model porous filter ruffle.
The specific embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-2:
But a kind of plastic extruder of impurities removal, one filter is set: be set with porous filter ruffle 15 in the outside of cone-type spiral formula screw feeder 8 with little filter opening 17, the outside of porous filter ruffle 15 is set with the housing 11 that has heater 10, filter is provided with the charging aperture 9 that is communicated with the inner chamber of porous filter ruffle 15, one side is provided with the discharging opening 16 that is communicated with the outer surface of porous filter ruffle 15, one side direction of filter is disposed with assorted cover 12 of the storage that has heater 121 and impurities removal switch 13 outward, one side of impurities removal switch 13 is provided with impurity discharging port 14, screw feeder 8 tapered extending in the inner chamber that stores up assorted cover 12, the assorted cover 12 of storage that has heater, impurities removal switch 13, the inner chamber of impurity discharging port 14 is communicated with the outlet 18 of screw feeder 8, the output shaft of the speed changer 2 that motor 1 drives is connected with the opposite side of screw feeder 8, between speed changer 2 and screw feeder 8, be provided with the axial location adjusting device of screw feeder 8, described heater 10 and heater 121 are electric furnace heating wire, are provided with the axial location adjusting device of screw feeder 8 between speed changer 2 and the screw feeder 8.
Be provided with the support ring 20 that three or two or more outer ends link into an integrated entity between above-mentioned porous filter ruffle 15 and the housing 1, described little filter opening 17 be not set on the faying face of the porous filter ruffle 15 that combines with support ring 20 form supporting surfaces.
Above-mentioned little filter opening 17 is that the side at porous filter ruffle 15 internal conical surfaces is small through hole 171, is large through-hole 172 near a side of porous filter ruffle 15 outer conical surface, small through hole 171 is connected with large through-hole 172 and communicates, small through hole 171 has 0～170 ° cone angle respectively with large through-hole 172, and the arranged outside of large through-hole 172 has enlarging 173.
The inner surface of above-mentioned porous filter ruffle 15 has identical tapering with the outer surface of cone-type spiral formula screw feeder 8, matched in clearance between the outer surface of the inner surface of porous filter ruffle 15 and cone-type spiral formula screw feeder 8.
The output shaft of above-mentioned speed changer 2 is connected by key or the tooth that axially is provided with screw feeder 8.
The axial location adjusting device of above-mentioned screw feeder 8 is that the undergauge place of the screw conveyor shaft between filter and the speed changer 2 is provided with and is with externally threaded adjustment nut 3, adjusts nut 3 and is provided with the internal thread that cooperates with the external screw thread of described adjustment nut 3 with housing 1 between the filter.
Above-mentioned impurities removal switch 14 is a manual gas shut off or by timer-operated electrodynamic type switch, and the electrodynamic type switch can utilize timer or regularly impurities removal of controller control, has improved the automatization level of equipment.
The external cylindrical surface of the screw conveyor shaft of filter one side between above-mentioned filter and the speed changer 2 is provided with one section several anti-overflow rings 81 from raw material to speed changer 2 one side flow or anti-overflow spiral of preventing, be arranged with the anti-overflow cover 5 that connects with key 52 or tooth on the screw conveyor shaft of anti-overflow ring 81 or anti-overflow screw speed changer 2 one sides, the external cylindrical surface of anti-overflow cover 5 is provided with anti-overflow ring 51 or anti-overflow spiral.
The outer setting of the helical blade of above-mentioned screw feeder has the decompression feedback outlet.
Be provided with coolant jacket 19 between above-mentioned filter and the speed changer 2, coolant jacket 19 is provided with entery and delivery port 191,192, by entery and delivery port 191,192 to coolant jacket 19 delivery cycle cooling waters, to prevent the liquid plastic reverse flow.
Work of the present utility model: start power supply, driving screw feeder 8 after motor 1 slows down through speed changer 2 rotates, the heating of switching on simultaneously of heater 10 and heater 121, the waste or used plastics of collecting adds from charge door 9, under the drive of screw feeder 8, blade 83 along screw feeder 8 moves ahead, waste or used plastics is fused into liquid plastic under the heating condition of heater 10 and heater 121, liquid plastic is extruded from the little filter opening 17 of porous filter ruffle 15 under the extruding of screw feeder 8 and porous filter ruffle 15, and from discharging opening 16 discharges, again through traction, cooling, operations such as segment form finished product, liquid plastic from the process that little filter opening 17 is extruded in the waste or used plastics impurity be subjected to the stopping of little filter opening 17 of porous filter ruffle 15 and can not pass through from little filter opening 17, being brought to the assorted cover 12 of storage by screw feeder 8 stores, by the time the time of setting, timer-operated impurities removal switch 13 opens after impurity discharging port 14 impurities removals and cuts out automatically, or manually controls manual gas shut off and close manual gas shut off after impurity discharging port 14 impurities removals.
The foregoing description is preferred embodiment of the present utility model only, is not to limit protection domain of the present utility model according to this, so: all equivalences of doing according to structure of the present utility model, shape, principle change, and all should be covered by within the protection domain of the present utility model.
Claims (10)
1. but the plastic extruder of an impurities removal, it is characterized in that being provided with a filter: be set with porous filter ruffle in the outside of cone-type spiral formula screw feeder with little filter opening, the outside of porous filter ruffle is set with the housing that has heater, filter is provided with the charging aperture that is communicated with the inner chamber of porous filter ruffle, one side is provided with the discharging opening that is communicated with the outer surface of porous filter ruffle, one side direction of filter is disposed with assorted cover of the storage that has heater and impurities removal switch outward, one side of impurities removal switch is provided with impurity discharging port, screw feeder is tapered to be extended in the assorted inner chamber that overlaps of storage, the assorted cover of storage that has heater, the impurities removal switch, the inner chamber of impurity discharging port is communicated with the outlet of screw feeder, the output shaft of the speed changer of driven by motor is connected with the opposite side of screw feeder, is provided with the axial location adjusting device of screw feeder between speed changer and the screw feeder.
2. but the plastic extruder of a kind of impurities removal according to claim 1 is characterized in that being provided with support ring between described porous filter ruffle and the housing, described little filter opening is not set on the faying face of the porous filter ruffle that combines with support ring forms supporting surface.
3. but the plastic extruder of a kind of impurities removal according to claim 1, it is characterized in that described little filter opening is that a side at porous filter ruffle internal conical surface is small through hole, is large through-hole near a side of porous filter ruffle outer conical surface, small through hole is connected with large through-hole and communicates, and small through hole and large through-hole have 0～170 ° cone angle respectively.
4. but according to the plastic extruder of each described a kind of impurities removal of claim 1-3, the inner surface that it is characterized in that described porous filter ruffle has identical tapering with the outer surface of cone-type spiral formula screw feeder, matched in clearance between the outer surface of the inner surface of porous filter ruffle and cone-type spiral formula screw feeder.
5. but, it is characterized in that the output shaft of described speed changer is connected by key or the tooth that axially is provided with screw feeder according to the plastic extruder of each described a kind of impurities removal of claim 1-3.
6. but according to the plastic extruder of each described a kind of impurities removal of claim 1-3, the axial location adjusting device that it is characterized in that described screw feeder is that the undergauge place of the screw conveyor shaft between filter and the speed changer is provided with and is with externally threaded adjustment nut, adjusts nut and is provided with the internal thread that cooperates with the external screw thread of described adjustment nut with housing between the filter.
7. but, it is characterized in that described impurities removal switch is a manual gas shut off or by timer-operated electrodynamic type switch according to the plastic extruder of each described a kind of impurities removal of claim 1-3.
8. but according to the plastic extruder of each described a kind of impurities removal of claim 1-3, the external cylindrical surface that it is characterized in that the screw conveyor shaft of filter one side between described filter and the speed changer is provided with one section several anti-overflow rings or anti-overflow spiral that prevents raw material to speed changer one side flow, be arranged with the anti-overflow cover that connects with key or tooth on the screw conveyor shaft of anti-overflow ring or anti-overflow screw speed changer one side, the external cylindrical surface of anti-overflow cover is provided with anti-overflow ring or anti-overflow spiral.
9. but, it is characterized in that the helical blade of described screw feeder is provided with the decompression feedback outlet according to the plastic extruder of each described a kind of impurities removal of claim 1-3.
10. but, it is characterized in that being provided with coolant jacket between described filter and the speed changer according to the plastic extruder of each described a kind of impurities removal of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200854672U CN201960727U (en) | 2011-03-28 | 2011-03-28 | Plastic extruder capable of removing impurities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200854672U CN201960727U (en) | 2011-03-28 | 2011-03-28 | Plastic extruder capable of removing impurities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201960727U true CN201960727U (en) | 2011-09-07 |
Family
ID=44523258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200854672U Expired - Lifetime CN201960727U (en) | 2011-03-28 | 2011-03-28 | Plastic extruder capable of removing impurities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201960727U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785344A (en) * | 2012-08-22 | 2012-11-21 | 张家港市穗通机械有限公司 | Machine barrel and extruding machine |
| CN105965724A (en) * | 2016-07-15 | 2016-09-28 | 江苏尚昆生物设备有限公司 | Adhesive filtering machine |
| CN107351437A (en) * | 2017-07-19 | 2017-11-17 | 上海诺辉工程科技发展有限公司 | Auto purification type screw extrusion slag tapping equipment and its application method |
-
2011
- 2011-03-28 CN CN2011200854672U patent/CN201960727U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785344A (en) * | 2012-08-22 | 2012-11-21 | 张家港市穗通机械有限公司 | Machine barrel and extruding machine |
| CN105965724A (en) * | 2016-07-15 | 2016-09-28 | 江苏尚昆生物设备有限公司 | Adhesive filtering machine |
| CN107351437A (en) * | 2017-07-19 | 2017-11-17 | 上海诺辉工程科技发展有限公司 | Auto purification type screw extrusion slag tapping equipment and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |