CN105437502A - Extruder with screen changer - Google Patents
Extruder with screen changer Download PDFInfo
- Publication number
- CN105437502A CN105437502A CN201510988674.1A CN201510988674A CN105437502A CN 105437502 A CN105437502 A CN 105437502A CN 201510988674 A CN201510988674 A CN 201510988674A CN 105437502 A CN105437502 A CN 105437502A
- Authority
- CN
- China
- Prior art keywords
- hopper
- travel
- ing rest
- cylinder
- net
- 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.)
- Pending
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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
- B29C48/285—Feeding the extrusion material to the extruder
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- 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
- B29C48/256—Exchangeable extruder parts
-
- 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
- B29C48/505—Screws
-
- 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
- B29C48/50—Details of extruders
- B29C48/76—Venting, drying means; Degassing means
- B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention mainly discloses an extruder with a screen changer. According to the technical scheme, the extruder comprises a machine base, a feeding system, an extruding system, a drive system, a heating system, a cooling system, an electronic control system and a machine head; the feeding system comprises a hopper and a conveying screw, a screen is arranged at the joint between the conveying screw and the hopper, and an opening and closing door is arranged on the bottom of the hopper; the extruding system comprises a machine cylinder and a separation type screw arranged in the machine cylinder, the machine cylinder is provided with a feed port, a discharge port and smoke outlets, an exhaust system is arranged on the smoke outlets, and the heating system and the cooling system are arranged on the outer side of the machine cylinder. The conveying screw can automatically convey materials to the hopper, so that the manpower is saved; the screen can filter impurities; the opening and closing door arranged on the bottom of the hopper can stop feeding and regulate the feeding amount, a stirrer is arranged inside the hopper and can stir the materials and protect the feed port of the machine cylinder against accumulation and blockage, the exhaust system can remove pollutants such as sulfur dioxide smoke and oil smoke in a purifying mode, and environmental pollution can be effectively avoided in the production process.
Description
Technical field
The present invention relates to manufacturing technology field, particularly a kind of extruder with net-changing device.
Background technology
Extruder is widely used in the production of the product such as plastics, rubber.Material material loading is all need manually to carry on, extremely inconvenience, waste time and energy, screw rod goes out machine inner hub location, the functions such as main effect has been the transmission of mixture, plasticizing, shaping, the steam that existing plastics produce in process and Small molecular excreta cannot be discharged in time, harm working environment and workers ' health.On the other hand in the process of plastic extrusion, plastic melt is through plastifying for a long time and being heated, decomposition debris getting will be produced in melt, add the impurity in raw material, they are once enter in head, the mold runner in head will be caused to block, and there is defect in board product, and even can not normally produce.In order to filtering foreign material; pure melt is entered smoothly and is extruded in head mould tool; usually screen pack to be set between screw head and extrusion molding machine head; be used for stoping impurity and foreign matter to enter in former; but along with the continuity found time; foreign material on screen pack build up and cause head pressure to raise flow decline; when exceeding certain pressure; namely screen pack is broken up; filter screen lost efficacy; now just must shut down replacing screen pack, raw material loss, energy waste, increase production time can be caused like this, improve production cost.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of extruder with net-changing device, structure is simple, conveying is easy and convenient, can stop changing screen pack when machine, change simple and convenient, save time and increase work efficiency, can effective filter smoke, reduce environmental pollution.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of extruder with net-changing device, comprise support, feeding system, extrusion system, transmission system, heating system, cooling system, electric-control system and head, described feeding system comprises hopper and feeding spiro rod, described feeding spiro rod is connected with hopper, described extrusion system comprises machine barrel and is arranged on the separating screw rod in machine barrel, described machine barrel is provided with charging aperture, discharging opening and outlet flue, described charging aperture is connected with feed hopper bottom, described outlet flue place is provided with gas extraction system, net-changing device body is provided with between described discharging opening and head, described net-changing device body both sides offer entrance and exit, the first filtration channel and the second filtration channel is respectively equipped with between described entrance and exit, the first travel(l)ing rest and the first valve that coordinate with its activity is provided with in described first filtration channel, the first screen pack is provided with in described first travel(l)ing rest, the second travel(l)ing rest and the second valve that coordinate with its activity is provided with in described second filtration channel, the second screen pack is provided with in described second travel(l)ing rest, the first cylinder and the second cylinder is provided with on the upside of described net-changing device body, piston rod on described first cylinder and the second cylinder removably connects with the first travel(l)ing rest and the second travel(l)ing rest respectively, described transmission system comprises reducing motor and reduction box, described reduction box controls reducing motor, described reducing motor is connected with separating screw rod, described heating system and cooling system are connected to outside machine barrel.
The present invention is set to further: be equipped with the connecting hole with the first cylinder piston rod and the second cylinder piston rod grafting on the upside of described first travel(l)ing rest and the second travel(l)ing rest, described connecting hole inwall is provided with the locating hole of a pair correspondence, and the piston rod both sides of described first cylinder piston rod and the second cylinder are equipped with the elastic with locating hole clamping.Effectively can fix travel(l)ing rest by the mode of elastic and locating hole clamping, simple to operate, it is quick, convenient to change.
The present invention is set to further: the first travel(l)ing rest and the second travel(l)ing rest sidepiece are equipped with holding tank, and described first screen pack and the second screen pack are arranged in holding tank respectively.Can directly install and change filter screen, easy to operately to save time.
The present invention is set to further: described hopper adopts broach hopper, and be provided with transparency window outside described hopper, described transparency window is provided with graduation mark.Constantly can observe the material surplus in hopper, can add materials in time.
The present invention is set to further: described heating system comprises heater and temperature controller, and described heater is connected with temperature controller, and accurate control temperature, guarantees crudy; Described cooling system adopts centrifugal blower, good cooling results.
The present invention has beneficial effect: described feeding spiro rod energy autofeed bucket convey materials, save manpower, be provided with net-changing device body between described discharging opening and head, net-changing device body Nei You bis-road filtration channel and screen pack, filter more even, reduce impulsive force and increase screen pack service life; Can when a screen pack damages, close corresponding valve, cylinder is adopted to be stretched by travel(l)ing rest again, screen pack independent on whole travel(l)ing rest or travel(l)ing rest is changed, not only change simple and convenient, and can machine be stopped, saving time and increase work efficiency; Described separating screw rod enhances the plasticizing shear effect of extruder, improves product quality; Described gas extraction system can purge sulfur dioxide, nitrogen dioxide, the pollutant of flue dust, oil smoke and so on, effectively can avoid the environmental pollution of production process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of net-changing device body in the present invention;
Fig. 3 is the schematic internal view of net-changing device in the present invention.
Reference numeral: 1, support; 2, feeding system; 21, hopper; 211, transparency window; 222, graduation mark; 22, feeding spiro rod; 3, extrusion system; 31, machine barrel; 32, separating screw rod; 33, charging aperture; 34, discharging opening; 35, outlet flue; 36, gas extraction system; 4, transmission system; 41, reducing motor; 42, reduction box; 5, heating system; 51, heater; 52, temperature controller; 6, cooling system; 7, electric-control system; 8, head; 9, net-changing device body; 91, entrance; 92, export; 93 first filtration channels; 931, the first travel(l)ing rest; 9311, the first screen pack; 932, the first valve; 94, the second filtration channel; 941, the second travel(l)ing rest; 9411, the second screen pack; 9412, connecting hole; 9413, locating hole; 942, the second valve; 95, the first cylinder; 96, the second cylinder; 97, elastic; 98, holding tank.
Detailed description of the invention
By reference to the accompanying drawings, present pre-ferred embodiments is described in further details.
A kind of extruder with net-changing device as described in Fig. 1-3, comprise support 1, feeding system 2, extrusion system 3, transmission system 4, heating system 5, cooling system 6, electric-control system 7 and head 8, described feeding system 2 comprises hopper 21 and feeding spiro rod 22, described feeding spiro rod 22 is connected with hopper 21, described hopper 21 adopts broach hopper 21, transparency window 211 is provided with outside described hopper 21, described transparency window 211 is provided with graduation mark 222, constantly can observe the material surplus in hopper 21, can add materials in time.The separating screw rod 32 that described extrusion system 3 comprises machine barrel 31 and is arranged in machine barrel 31, described machine barrel 31 is provided with charging aperture 33, discharging opening 34 and outlet flue 35, described charging aperture 33 is connected with bottom hopper 21, described outlet flue 35 place is provided with gas extraction system 36, sulfur dioxide can be purged, nitrogen dioxide, the pollutant of flue dust, oil smoke and so on, effectively can avoid the environmental pollution of production process.
Net-changing device body 9 is provided with between described discharging opening 34 and head 8, described net-changing device body 9 both sides offer entrance 91 and outlet 92, the first filtration channel 93 and the second filtration channel 94 is respectively equipped with between described entrance 91 and outlet 92, first travel(l)ing rest 931 and first valve 932 that coordinate movable with it is provided with in described first filtration channel 93, the first screen pack 9311 is provided with in described first travel(l)ing rest 931, second travel(l)ing rest 941 and second valve 942 that coordinate movable with it is provided with in described second filtration channel 94, the second screen pack 9411 is provided with in described second travel(l)ing rest 941, the first cylinder 95 and the second cylinder 96 is provided with on the upside of described net-changing device body 9, piston rod on described first cylinder 95 and the second cylinder 96 removably connects with the first travel(l)ing rest 931 and the second travel(l)ing rest 941 respectively, the connecting hole 9412 with the first cylinder 95 piston rod and the second cylinder 96 piston rod grafting is equipped with on the upside of described first travel(l)ing rest 931 and the second travel(l)ing rest 941, described connecting hole 9412 inwall is provided with the locating hole 9413 of a pair correspondence, the piston rod both sides of described first cylinder 95 piston rod and the second cylinder 96 are equipped with the elastic 97 with locating hole 9413 clamping, effectively travel(l)ing rest can be fixed by elastic 97 and the mode of locating hole 9413 clamping, simple to operate, change fast, convenient.Described first travel(l)ing rest 931 and the second travel(l)ing rest 941 sidepiece are equipped with holding tank 98, and described first screen pack 9311 and the second screen pack 9411 are arranged in holding tank 98 respectively, can directly install and change filter screen, easy to operately save time.The first screen pack 9311 arranged in described net-changing device body 9 and the second screen pack 9411 make material filtering more even, can reduce impulsive force, increase screen pack service life.
Described transmission system 4 comprises reducing motor 41 and reduction box 42, described reduction box 42 controls reducing motor 41, described reducing motor 41 is connected with separating screw rod 32, described heating system 5 and cooling system 6 are connected to outside machine barrel 31, described heating system 5 comprises heater 51 and temperature controller 52, described heater 51 is connected with temperature controller 52, and accurate control temperature, guarantees crudy; Described cooling system 6 adopts centrifugal blower, good cooling results.
During real work, described material enters into extruder from hopper 21, under the drive of separating screw rod 32, material is carried forward, material is in proal process, accept the heating of machine barrel 31, the shearing that separating screw rod 32 brings and compression make material melts, thus achieve at glassy state, change between the tri-state of elastomeric state and viscous state, then material enters from the entrance 91 of net-changing device body 9, material flows into the first filtration channel 93 and the second filtration channel 94 respectively, then filtered by the first screen pack 9311 and the second screen pack 9411 pairs of materials, 92 outflows are exported again from net-changing device body 9, the last finished product extruding needs from head 8.When the first screen pack 9311 damages, the first valve 932 can be closed, then the first cylinder 95 drives the first travel(l)ing rest 931 flexible out from the first filtration channel 93, just can change the first independent screen pack 9311 on the first travel(l)ing rest 931 or the first travel(l)ing rest 931, not only change simple and convenient, and can machine be stopped, saving time and increase work efficiency; When the second screen pack 9411 damages, replacing options is the same with above-mentioned.
Above-described embodiment only illustrates inventive concept of the present invention for explaining, but not the restriction to rights protection of the present invention, all changes utilizing this design the present invention to be carried out to unsubstantiality, all should fall into protection scope of the present invention.
Claims (5)
1. the extruder with net-changing device, comprise support (1), feeding system (2), extrusion system (3), transmission system (4), heating system (5), cooling system (6), electric-control system (7) and head (8), it is characterized in that: described feeding system (2) comprises hopper (21) and feeding spiro rod (22), described feeding spiro rod (22) is connected with hopper (21), described extrusion system (3) comprises machine barrel (31) and is arranged on the separating screw rod (32) in machine barrel (31), described machine barrel (31) is provided with charging aperture (33), discharging opening (34) and outlet flue (35), described charging aperture (33) is connected with hopper (21) bottom, described outlet flue (35) place is provided with gas extraction system (36), net-changing device body (9) is provided with between described discharging opening (34) and head (8), described net-changing device body (9) both sides offer entrance (91) and outlet (92), the first filtration channel (93) and the second filtration channel (94) is respectively equipped with between described entrance (91) and outlet (92), the first travel(l)ing rest (931) and the first valve (932) that coordinate with its activity is provided with in described first filtration channel (93), the first screen pack (9311) is provided with in described first travel(l)ing rest (931), the second travel(l)ing rest (941) and the second valve (942) that coordinate with its activity is provided with in described second filtration channel (94), the second screen pack (9411) is provided with in described second travel(l)ing rest (941), described net-changing device body (9) upside is provided with the first cylinder (95) and the second cylinder (96), piston rod on described first cylinder (95) and the second cylinder (96) removably connects with the first travel(l)ing rest (931) and the second travel(l)ing rest (941) respectively, described transmission system (4) comprises reducing motor (41) and reduction box (42), described reduction box (42) controls reducing motor (41), described reducing motor (41) is connected with separating screw rod (32), described heating system (5) and cooling system (6) are connected to machine barrel (31) outside.
2. a kind of extruder with net-changing device according to claim 1, it is characterized in that: described first travel(l)ing rest (931) and the second travel(l)ing rest (941) upside are equipped with the connecting hole (9412) with the first cylinder (95) piston rod and the second cylinder (96) piston rod grafting, described connecting hole (9412) inwall is provided with the locating hole (9413) of a pair correspondence, and the piston rod both sides of described first cylinder (95) piston rod and the second cylinder (96) are equipped with the elastic (97) with locating hole (9413) clamping.
3. a kind of extruder with net-changing device according to claim 1 and 2, it is characterized in that: the first travel(l)ing rest (931) and the second travel(l)ing rest (941) sidepiece are equipped with holding tank (98), described first screen pack (9311) and the second screen pack (9411) are arranged in holding tank (98) respectively.
4. a kind of extruder with net-changing device according to claim 1, it is characterized in that: described hopper (21) adopts broach hopper (21), described hopper (21) outside is provided with transparency window (211), and described transparency window (211) is provided with graduation mark (222).
5. a kind of extruder with net-changing device according to claim 1, it is characterized in that: described heating system (5) comprises heater (52) and temperature controller (52), described heater (52) is connected with temperature controller (52), and described cooling system (6) adopts centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988674.1A CN105437502A (en) | 2015-12-24 | 2015-12-24 | Extruder with screen changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510988674.1A CN105437502A (en) | 2015-12-24 | 2015-12-24 | Extruder with screen changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105437502A true CN105437502A (en) | 2016-03-30 |
Family
ID=55548356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510988674.1A Pending CN105437502A (en) | 2015-12-24 | 2015-12-24 | Extruder with screen changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105437502A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773945A (en) * | 2016-04-26 | 2016-07-20 | 江苏荆溪环保设备有限公司 | Corundum tube-type film extrusion device |
| CN106584803A (en) * | 2016-12-26 | 2017-04-26 | 张家港市大能塑料制品有限公司 | Bolt extruding machine |
| CN109080065A (en) * | 2018-09-20 | 2018-12-25 | 陈浩然 | A kind of polyurethane thermal insulation board foamed system |
| CN109262940A (en) * | 2018-09-20 | 2019-01-25 | 陈浩然 | A kind of polyurethane thermal insulation board foaming optimization method |
| CN109454848A (en) * | 2018-10-27 | 2019-03-12 | 瑞安市创新塑料机械有限公司 | A kind of automatic fast quick change strainer exhaust screw dual stage double-station plastic extruder |
| CN111958938A (en) * | 2020-09-07 | 2020-11-20 | 杭州科晟包装材料有限公司 | Thermoplastic plastic film coiled material |
| CN112454860A (en) * | 2020-11-06 | 2021-03-09 | 常丹阳 | Waste plastic recycling and granulating production equipment |
-
2015
- 2015-12-24 CN CN201510988674.1A patent/CN105437502A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773945A (en) * | 2016-04-26 | 2016-07-20 | 江苏荆溪环保设备有限公司 | Corundum tube-type film extrusion device |
| CN106584803A (en) * | 2016-12-26 | 2017-04-26 | 张家港市大能塑料制品有限公司 | Bolt extruding machine |
| CN109080065A (en) * | 2018-09-20 | 2018-12-25 | 陈浩然 | A kind of polyurethane thermal insulation board foamed system |
| CN109262940A (en) * | 2018-09-20 | 2019-01-25 | 陈浩然 | A kind of polyurethane thermal insulation board foaming optimization method |
| CN109454848A (en) * | 2018-10-27 | 2019-03-12 | 瑞安市创新塑料机械有限公司 | A kind of automatic fast quick change strainer exhaust screw dual stage double-station plastic extruder |
| CN111958938A (en) * | 2020-09-07 | 2020-11-20 | 杭州科晟包装材料有限公司 | Thermoplastic plastic film coiled material |
| CN112454860A (en) * | 2020-11-06 | 2021-03-09 | 常丹阳 | Waste plastic recycling and granulating production equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |
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| WD01 | Invention patent application deemed withdrawn after publication |