CN203622692U - Raw material supplying system for plastic granulation equipment - Google Patents
Raw material supplying system for plastic granulation equipment Download PDFInfo
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- CN203622692U CN203622692U CN201320880986.7U CN201320880986U CN203622692U CN 203622692 U CN203622692 U CN 203622692U CN 201320880986 U CN201320880986 U CN 201320880986U CN 203622692 U CN203622692 U CN 203622692U
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Abstract
The utility model discloses a raw material supplying system for plastic granulation equipment, belonging to the technical field of the plastic granulation equipment. The raw material supplying system comprises a high-pressure hot air system, a powder supplying system and a mixed plasticizing system, wherein the periphery of an air supply duct in the high-pressure hot air system is provided with a hot air heating device, and cold air in the air supply duct is heated through the hot air heating device; a rotating wind device is installed in an outlet end of the air supply duct; a discharging air hole is formed in the lower side wall of a baiting air duct in the powder supplying system; a discharging port of the bottom of a stock bin is connected with an inlet of a stop device, and the stop device is a cylinder in which a screw rod is arranged; hot air spirally moving forward in the mixed plasticizing system is mixed with granulation powder in a spray tank, and the hot air spirally moving forward drives the granulation powder to penetrate through a mixed pipeline. The raw material supplying system can automatically control the feeding process of powder and can mix the granulation powder with the hot air well.
Description
Technical field
The utility model relates to plastic granulating equipment technical field, more particularly, relates to a kind of Material supply system of plastic granulating equipment.
Background technology
Plastics are made up of additives such as synthetic resin, filler, plasticizer, stabilizing agent, lubricant, colorants.All kinds of machineries of plastic processing occupy critical role in plastic processing industry, and conventional has: plasticator, injection machine, extruding machine, blow moulding machine, calender, rotational molding machine and foaming machine etc.
Extruding machine is under screw acting, molten plastic to be extruded by the extrusion of solid shape, under hauling machine effect, after water-cooled shaping, cuts, and is mainly used in a large amount of continuous productions of various same cross-sectional products, also can be used for modifying plastics granulation.The extruding machine of plastic granulating generally comprises: motor, reduction box, thrust bearing, cylindrical shell and spiral extrusion molding bar, and spiral extrusion molding bar is arranged in cylindrical shell, and spiral extrusion molding bar comprises two screw threads or single thread structure.Spiral extrusion molding bar is actually an inclined-plane or slope is wrapped on central core, its objective is and increases pressure to overcome larger resistance.In extrusion process, mainly containing three kinds of resistances need to overcome: its inner logistics resistance when frictional force, adhesive force, the melt of melt on barrel of solid particle to barrel is pushed forward.There is following technical problem in extruding machine of the prior art: the wearing and tearing of (1) spiral extrusion molding bar and cylinder inboard wall are very serious, uses and just need to change spiral extrusion molding bar and cylindrical shell in about 1 year, and production cost is increased; (2) when plastic formula changes, can cause plastic granulating technique unstable; (3) discharge time when existing extruding machine is shut down is long, and reactive loss is large, time-consuming the taking a lot of work of extruder head mould mounting or dismounting; (4) granulation efficiency of existing extruding machine is slow, and production efficiency is difficult to be greatly improved.
In order to improve the granulation efficiency of plastic granulator, a lot of technical staff have done a lot of effort, and existing relevant technical scheme is open.At present, prior art personnel propose following technical scheme: granulation is mixed with hot blast with powder, then the hot blast that is mixed with powder is entered to the pipeline of rotary collision, make powder softening gathering for particle in pipeline, particle is grown up gradually for ball under screw action, and the ball after growing up is through further rolling moulding the cooling finished product ball that obtains.If employing technique scheme, how its Material supply system designs the formation to particle and grow up has important function, Major Difficulties has two: 1), powder feed process generally adopts rotation feed, but its wearing and tearing are comparatively serious, increase equipment maintenance cost, and feeding coal should not be controlled, how to control the feeding quantity of powder well, be a urgent problem to realize the reinforced process of automation; 2) how to realize granulation powder is mixed with hot blast, will be an important control point.
Utility model content
1. the technical problem that utility model will solve
The purpose of this utility model is to provide a kind of Material supply system of plastic granulating equipment, adopt the technical solution of the utility model, can realize the reinforced process of automation control powder, and granulation can be realized to good mixing with powder and hot blast, in mixed process, powder be carried out to effective plastics processing.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
The Material supply system of a kind of plastic granulating equipment of the present utility model, comprise high-pressure hot wind system, powder supplying system and mixing plasticizing system, wherein: described high-pressure hot wind system comprises high pressure positive blower, air supply duct, cool air hose, hot air heating apparatus, hot-blast valve, Pressure gauge and rotary wind device, described high pressure positive blower is connected with the arrival end of air supply duct, on the sidewall of this air supply duct arrival end, be fixed with cool air hose, cold wind valve is installed on described cool air hose, the periphery of described air supply duct is provided with hot air heating apparatus, by hot air heating apparatus, the cold air of air supply duct inside is heated, on described air supply duct outer wall, hot-blast valve and Pressure gauge are installed, the port of export inside of this air supply duct is provided with rotary wind device, above-mentioned hot-blast valve and manometric installation site are between rotary wind device and hot air heating apparatus, described rotary wind device is screw rod, by above-mentioned rotary wind device, straight-line hot blast in air supply duct is become to the proal hot blast of spiral, described powder supplying system comprises charge door, blanking airduct, discharge wind hole, feed bin, stop gauge, expects cool air hose, powder efferent duct and powder peep hole clearly, described feed bin top is provided with charge door, in feed bin, add granulation powder by charge door, the blanking airduct of vertical setting is installed in this feed bin, the bottom of this blanking airduct is positioned at the discharging opening place of bin bottom, the top of blanking airduct is connected with cool air hose, is provided with discharge wind hole on the sidewall of this blanking airduct bottom, the discharging opening of described bin bottom is connected with the entrance of stop gauge, this stop gauge is the cylinder that inside is provided with screw rod, on the sidewall of stop gauge, be provided with and expect clearly cool air hose, on this clear material cool air hose, cold wind valve is installed, the outlet of described stop gauge is connected with powder efferent duct, on this powder efferent duct, offers powder peep hole, described mixing plasticizing system comprises material spray tank, mixing duct and plasticizing heater, the described air supply duct port of export is connected with one end of material spray tank, the described powder efferent duct port of export is connected with the sidewall of material spray tank, the proal hot blast of spiral and granulation use powder in material spray in-tank mixing, the other end of material spray tank is connected to the arrival end of mixing duct, the periphery of this mixing duct is provided with plasticizing heater and Pressure gauge, and the proal hot blast of spiral drives granulation powder through mixing duct.
Further, the mode of heating of described hot air heating apparatus and plasticizing heater is high-frequency heating, electrical heating, Steam Heating or gas heating.
Further, on described material spray tank, compound peep hole and Pressure gauge are installed.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compared with existing known technology, has following remarkable result:
(1) Material supply system of a kind of plastic granulating equipment of the present utility model, blanking airduct is installed in its feed bin, the bottom of this blanking airduct is positioned at the discharging opening place of bin bottom, the top of blanking airduct is connected with cool air hose, is provided with discharge wind hole, by the design of this blanking airduct on the sidewall of this blanking airduct bottom, realize the automation control of pneumatic fed, and control effectively, almost there is no equipment attrition, equipment maintenance cost is low; The discharging opening place of its bin bottom is provided with inside and is provided with the stop gauge of screw rod, has realized the backgauge resistance of spiral by this screw rod, when clear material cool air hose passes into after air, forms material stream, simple to operate, stable production process;
(2) Material supply system of a kind of plastic granulating equipment of the present utility model, by high-pressure hot wind system and mixing plasticizing system, realize two-part heating process, at the port of export of air supply duct, rotary wind device is installed, hot blast spiral is travelled forward, strengthen the mixed effect of hot blast and powder, improved the plastics processing to powder.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Material supply system of a kind of plastic granulating equipment of the present utility model.
Label declaration in schematic diagram:
11, high pressure positive blower; 12, air supply duct; 13, cool air hose; 14, hot air heating apparatus; 15, hot-blast valve; 16, Pressure gauge; 17, rotary wind device; 21, charge door; 22, blanking airduct; 221, discharge wind hole; 23, feed bin; 24, stop gauge; 25, expect clearly cool air hose; 26, powder efferent duct; 27, powder peep hole; 31, material spray tank; 32, compound peep hole; 33, mixing duct; 34, plasticizing heater.
The specific embodiment
For further understanding content of the present utility model, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
In conjunction with Fig. 1, the Material supply system of a kind of plastic granulating equipment of the present embodiment, comprises high-pressure hot wind system, powder supplying system and mixing plasticizing system.The high-pressure hot wind system of the present embodiment comprises high pressure positive blower 11, air supply duct 12, cool air hose 13, hot air heating apparatus 14, hot-blast valve 15, Pressure gauge 16 and rotary wind device 17, described high pressure positive blower 11 is connected with the arrival end of air supply duct 12, on the sidewall of these air supply duct 12 arrival ends, be fixed with cool air hose 13, on described cool air hose 13, cold wind valve is installed, the periphery of described air supply duct 12 is provided with hot air heating apparatus 14, by hot air heating apparatus 14, the cold air of air supply duct 12 inside is heated, on described air supply duct 12 outer walls, hot-blast valve 15 and Pressure gauge 16 are installed, the port of export inside of this air supply duct 12 is provided with rotary wind device 17, above-mentioned hot-blast valve 15 and the installation site of Pressure gauge 16 are between rotary wind device 17 and hot air heating apparatus 14, described rotary wind device 17 is screw rod, by above-mentioned rotary wind device 17, interior air supply duct 12 straight-line hot blast is become to the proal hot blast of spiral.
The powder supplying system of the present embodiment comprises charge door 21, blanking airduct 22, discharge wind hole 221, feed bin 23, stop gauge 24, clear material cool air hose 25, powder efferent duct 26 and powder peep hole 27, described feed bin 23 tops are provided with charge door 21, in feed bin 23, add granulation powder by charge door 21, the blanking airduct 22 of vertical setting is installed in this feed bin 23, the bottom of this blanking airduct 22 is positioned at the discharging opening place of feed bin 23 bottoms, the top of blanking airduct 22 is connected with cool air hose 13, on the sidewall of these blanking airduct 22 bottoms, be provided with discharge wind hole 221, the discharging opening of described feed bin 23 bottoms is connected with the entrance of stop gauge 24, this stop gauge 24 is the inner cylinder that is provided with screw rod, on the sidewall of stop gauge 24, be provided with and expect clearly cool air hose 25, on this clear material cool air hose 25, cold wind valve is installed, the outlet of described stop gauge 24 is connected with powder efferent duct 26, on this powder efferent duct 26, offers powder peep hole 27.Stop gauge 24 in the present embodiment adopts screw rod, and coordinates the cold wind of discharging from discharge wind hole 221, makes it possible to efficiently control the feeding quantity of powder and has realized automation mechanized operation.What deserves to be explained is, " cold wind " alleged in the present embodiment, for " hot blast ", alleged " cold wind " of the present embodiment is the air of normal temperature.
The mixing plasticizing system of the present embodiment comprises material spray tank 31, compound peep hole 32, mixing duct 33, plasticizing heater 34 and Pressure gauge 16, described air supply duct 12 ports of export are connected with one end of material spray tank 31, described powder efferent duct 26 ports of export are connected with the sidewall of material spray tank 31, the proal hot blast of spiral and granulation mix material spray tank 31 is interior with powder, compound peep hole 32 and Pressure gauge 16 are installed on described material spray tank 31, the other end of material spray tank 31 is connected to the arrival end of mixing duct 33, the periphery of this mixing duct 33 is provided with plasticizing heater 34 and Pressure gauge 16, the proal hot blast of spiral drives granulation powder through mixing duct 33.The mode of heating of hot air heating apparatus in the present embodiment 14 and plasticizing heater 34 be high-frequency heating, electrical heating, Steam Heating, gas heating or other mode of heating all can, in the present embodiment, all adopt electric heater to heat.
When use, give hot air heating apparatus 14 power transmissions, and hot-blast valve 15 is opened, by hot air heating apparatus 14, the cold air of air supply duct 12 inside is heated, by adjusting high pressure positive blower 11, the air themperature of controlling air supply duct 12 inside is 60～100 ℃, and pressure is 300～400kPa, and the interior straight-line hot blast of air supply duct 12 becomes the proal hot blast of spiral through rotary wind device 17; In feed bin 23, add granulation powder by charge door 21, and pass into high-pressure blast in blanking airduct 22, high-pressure blast passes to powder one mixing power from discharge wind hole 221, controls powder and enters powder efferent duct 26 through stop gauge 24; Powder enters material spray tank 31 by powder efferent duct 26, and powder and the proal hot blast of spiral mix material spray tank 31 is interior, enter mixing duct 33 after mixing, by plasticizing heater 34, the hot blast that is mixed with powder are further heated to be to 180～260 ℃.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (3)
1. a Material supply system for plastic granulating equipment, is characterized in that: comprise high-pressure hot wind system, powder supplying system and mixing plasticizing system, wherein:
Described high-pressure hot wind system comprises high pressure positive blower (11), air supply duct (12), cool air hose (13), hot air heating apparatus (14), hot-blast valve (15), Pressure gauge (16) and rotary wind device (17), described high pressure positive blower (11) is connected with the arrival end of air supply duct (12), on the sidewall of this air supply duct (12) arrival end, be fixed with cool air hose (13), on described cool air hose (13), cold wind valve is installed, the periphery of described air supply duct (12) is provided with hot air heating apparatus (14), by hot air heating apparatus (14), cold air inner air supply duct (12) is heated, on described air supply duct (12) outer wall, hot-blast valve (15) and Pressure gauge (16) are installed, the port of export inside of this air supply duct (12) is provided with rotary wind device (17), above-mentioned hot-blast valve (15) and the installation site of Pressure gauge (16) are positioned between rotary wind device (17) and hot air heating apparatus (14), described rotary wind device (17) is screw rod, by above-mentioned rotary wind device (17), straight-line hot blast in air supply duct (12) is become to the proal hot blast of spiral,
Described powder supplying system comprises charge door (21), blanking airduct (22), discharge wind hole (221), feed bin (23), stop gauge (24), clear material cool air hose (25), powder efferent duct (26) and powder peep hole (27), described feed bin (23) top is provided with charge door (21), in feed bin (23), add granulation powder by charge door (21), the blanking airduct (22) of vertical setting is installed in this feed bin (23), the bottom of this blanking airduct (22) is positioned at the discharging opening place of feed bin (23) bottom, the top of blanking airduct (22) is connected with cool air hose (13), on the sidewall of this blanking airduct (22) bottom, be provided with discharge wind hole (221), the discharging opening of described feed bin (23) bottom is connected with the entrance of stop gauge (24), this stop gauge (24) is the inner cylinder that is provided with screw rod, on the sidewall of stop gauge (24), be provided with and expect clearly cool air hose (25), on this clear material cool air hose (25), cold wind valve is installed, the outlet of described stop gauge (24) is connected with powder efferent duct (26), on this powder efferent duct (26), offers powder peep hole (27),
Described mixing plasticizing system comprises material spray tank (31), mixing duct (33) and plasticizing heater (34), described air supply duct (12) port of export is connected with one end of material spray tank (31), described powder efferent duct (26) port of export is connected with the sidewall of material spray tank (31), the proal hot blast of spiral mixes with powder with granulation in material spray tank (31), the other end of material spray tank (31) is connected to the arrival end of mixing duct (33), the periphery of this mixing duct (33) is provided with plasticizing heater (34) and Pressure gauge (16), the proal hot blast of spiral drives granulation powder through mixing duct (33).
2. the Material supply system of a kind of plastic granulating equipment according to claim 1, is characterized in that: the mode of heating of described hot air heating apparatus (14) and plasticizing heater (34) is high-frequency heating, electrical heating, Steam Heating or gas heating.
3. the Material supply system of a kind of plastic granulating equipment according to claim 2, is characterized in that: compound peep hole (32) and Pressure gauge (16) are installed on described material spray tank (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880986.7U CN203622692U (en) | 2013-12-30 | 2013-12-30 | Raw material supplying system for plastic granulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880986.7U CN203622692U (en) | 2013-12-30 | 2013-12-30 | Raw material supplying system for plastic granulation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203622692U true CN203622692U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880986.7U Expired - Fee Related CN203622692U (en) | 2013-12-30 | 2013-12-30 | Raw material supplying system for plastic granulation equipment |
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| CN (1) | CN203622692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433413A (en) * | 2015-12-13 | 2016-03-30 | 重庆长源饲料有限公司 | Feeding structure for mixed feed processing |
-
2013
- 2013-12-30 CN CN201320880986.7U patent/CN203622692U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433413A (en) * | 2015-12-13 | 2016-03-30 | 重庆长源饲料有限公司 | Feeding structure for mixed feed processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |