CN207579056U - A kind of novel charging machine barrel in single screw extrusion machine - Google Patents

Abstract

The utility model discloses the novel charging machine barrels in a kind of single screw extrusion machine, including transmission device and heating and cooling system, the transmission device includes engine base, motor, transmission case, hopper and machine barrel, the motor is fixed on the frame upper surface, the transmission case is provided on the right side of the motor, the transmission case is rotatablely connected with the motor output end, the machine barrel is provided on the right side of the transmission case, the machine barrel left end is fixedly connected with the right surface of the transmission case, the machine barrel appearance wall is fixed with the hopper, the heating and cooling system includes hopper cooling zone, material tube heater and thermostat；By setting hopper cooling zone below the hopper on extruder barrel, barrel wall is opened up into cavity volume, it enables water to cover entire machine barrel, material is not only enable preferably to bring mixing and plasticizing zone by screw rod in this way, it is in stable state also to make entire charging process, so as to which the internal pressure in machine barrel be made to keep stablizing, the quality of product ensure that.

Description

A kind of novel charging machine barrel in single screw extrusion machine

Technical field

The utility model belongs to production equipment technology, and in particular to the novel charger in a kind of single screw extrusion machine Cylinder.

Background technology

Extruder be by screw rod rotation generate pressure and shearing force, can allow material be fully plasticized and Uniformly mixing, is molded by mouth mold, and the plastics machinery of existing production plastic products all uses absolutely the equipment mostly.

Extruder is to increase the yield of extruder by improving the rotating speed of extruder, but improving the same of extruder rotating speed When, due to the raising of screw speed, screw rod is constantly increased with feeding the temperature of machine tube inner wall, and plastic raw materials can be in heated situation Under be plasticized in advance, so as to directly affect being smoothed out for charging, in the prior art, for feed machine barrel cooling be in machine One section of helicla flute of turning on the outer diameter of cylinder, around upper copper tube in slot, connects cooling water, and charging machine barrel is cooled down indirectly, This cooling means effect is poor, and can influence plastic pellet and enter charge door, so as to reduce production yields, due to charging It is unstable, the pressure カ in machine barrel is made to generate fluctuation, so as to influence product quality.

Utility model content

The purpose of this utility model is to provide the novel charging machine barrel in a kind of single screw extrusion machine, to solve the above-mentioned back of the body It is to increase the yield of extruder by improving the rotating speed of extruder, but improving extruder rotating speed that extruder is proposed in scape technology While, due to the raising of screw speed, screw rod is constantly increased with feeding the temperature of machine tube inner wall, and plastic raw materials can be heated In the case of be plasticized in advance, so as to directly affect being smoothed out for charging, in the prior art, for feed machine barrel cooling be One section of helicla flute of turning on the outer diameter of machine barrel, around upper copper tube in slot, connects cooling water, charging machine barrel is carried out indirectly cold But, this cooling means effect is poor, and can influence plastic pellet and enter charging ロ, so as to reduce production yields, due to adding Material it is unstable, pressure カ in machine barrel is made to generate fluctuation, the problem of so as to influence product quality.

To achieve the above object, the utility model provides following technical solution：Novel in a kind of single screw extrusion machine plus Expect machine barrel, including transmission device and heating and cooling system, the transmission device includes engine base, motor, transmission case, hopper and machine Cylinder, the motor are fixed on the frame upper surface, are provided with the transmission case on the right side of the motor, the transmission case with it is described Motor output end is rotatablely connected, and the machine barrel, the machine barrel left end and the right table of the transmission case are provided on the right side of the transmission case Face is fixedly connected, and the machine barrel appearance wall is fixed with the hopper, and the heating and cooling system includes hopper cooling zone, barrel adds Hot device and thermostat, the barrel wall offer cavity volume, and the hopper cooling zone is fixedly connected, and run through with the hopper lower end The barrel wall, the hopper cooling zone right side are provided with the heater, the thermostat are provided on the right side of the heater, The heater and the thermostat are fixed in the cavity volume of the barrel wall, the motor and the heater and external power supply It is electrically connected.

Preferably, the machine barrel includes water outlet and screw rod, and the barrel wall offers cavity volume, and appearance wall offers The water outlet, the screw rod is located at the machine barrel inner cavity, and left end is rotatablely connected with transmission case.

Preferably, the hopper cooling zone includes sink, water inlet and outlet pipe, and the hopper cooling zone offers appearance Chamber, and the sink is offered in cavity volume, the outlet pipe is located in the cavity volume of barrel wall, and is fixedly connected with the sink, The water inlet is opened in the hopper cooling zone appearance wall upper end.

Preferably, the thermostat includes glass shell, bimetal leaf, contact switch and push rod, in the glass shell Chamber upper wall is fixed with the contact switch, and the contact switch lower surface is fixed with the push rod, and the push rod lower end is fixed with The bimetal leaf.

Preferably, it there are three the thermostat is set altogether, and is uniformly fixed in the cavity volume of barrel wall, and the thermostat The machine barrel appearance wall is run through in upper end.

Compared with prior art, the beneficial effects of the utility model are：By setting material below the hopper on extruder barrel Bucket cooling zone, hopper cooling zone inner cavity open up sink, material are enable tentatively to be cooled down comprehensively at cooling zone, and barrel wall is opened up appearance Chamber, the outlet pipe of hopper cooling zone are located in cavity volume, enable water to cover entire machine barrel, can further comprehensively to machine barrel into Row cooling, barrel wall offer water outlet, and can enable water to constantly recycle cools down to machine barrel, in the cavity volume of barrel wall Having heaters and three thermostats are installed, can make to be always maintained at the state of constant temperature in machine barrel when heating machine barrel, so not Material is only enable preferably to bring mixing and plasticizing zone by screw rod, also makes entire charging process in stable state, so as to make machine Internal pressure in cylinder keeps stablizing, and while yield is increased, ensure that the quality of product.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the hopper cooling zone structure diagram of the utility model；

Fig. 3 is the thermostat structure diagram of the utility model；

In figure：10- transmission devices, 11- engine bases, 12- motors, 13- transmission cases, 14- hoppers, 15- machine barrels, 151- water outlets Mouth, 152- screw rods, 20- heating and cooling systems, 21- hoppers cooling zone, 211- sinks, 212- water inlets, 213- outlet pipes, 22- heaters, 23- thermostats, 231- glass shells, 232- bimetal leafs, 233- contact switch, 234- push rods.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of novel charger in single screw extrusion machine Cylinder, including transmission device 10 and heating and cooling system 20, transmission device 10 includes engine base 11, motor 12, transmission case 13, hopper 14 With machine barrel 15, motor 12 is fixed on 11 upper surface of engine base, and 12 right side of motor is provided with transmission case 13, and transmission case 13 and motor 12 are defeated Outlet is rotatablely connected, and 13 right side of transmission case is provided with machine barrel 15, and 15 left end of machine barrel is fixedly connected with 13 right surface of transmission case, machine barrel 15 appearance walls are fixed with hopper 14, and heating and cooling system 20 includes hopper cooling zone 21, material tube heater 22 and thermostat 23, machine 15 walls of cylinder offer cavity volume, and hopper cooling zone 21 is fixedly connected with 14 lower end of hopper, and through 15 wall of machine barrel, hopper cooling zone 21 Right side sets having heaters 22, and 22 right side of heater is provided with thermostat 23, and heater 22 and thermostat 23 are fixed on machine barrel 15 In the cavity volume of wall, motor 12 and heater 22 are electrically connected with external power supply.

In the present embodiment, by the 14 lower section setting hopper cooling zone 21 of hopper on extruder barrel 15, hopper cooling zone 21 Inner cavity opens up sink, and material is enable tentatively to be cooled down comprehensively at hopper cooling zone 21, and 15 wall of machine barrel is opened up cavity volume, makes water Entire machine barrel 15 can be covered, can further comprehensively be cooled down to machine barrel 15, is equipped with and adds in the cavity volume of 15 wall of machine barrel Hot device 22 and three thermostats 23 can make to be always maintained at the state of constant temperature in machine barrel 15 when heating machine barrel 15.

Further, machine barrel 15 includes water outlet 151 and screw rod 152, and 15 wall of machine barrel offers cavity volume, and appearance wall is opened Equipped with water outlet 151, screw rod 152 is located at 15 inner cavity of machine barrel, and left end is rotatablely connected with transmission case 13.

In the present embodiment, machine barrel 15 includes water outlet 151 and screw rod 152, and 15 wall of machine barrel offers cavity volume, and appearance wall Water outlet 151 is offered, screw rod 152 is located at 15 inner cavity of machine barrel, and left end is rotatablely connected with transmission case 13, in screw rod 152 What water can be recycled constantly when rotation gives out heat cools down to machine barrel 15.

Further, hopper cooling zone 21 includes sink 213, water inlet 211 and outlet pipe 212, and hopper cooling zone 21 is opened Sink 213 is offered equipped with cavity volume, and in cavity volume, outlet pipe 212 is located in the cavity volume of 15 wall of machine barrel, and is fixed with sink 213 Connection, water inlet 211 are opened in 21 appearance wall upper end of hopper cooling zone.

In the present embodiment, hopper cooling zone 21 includes sink 213, water inlet 211 and outlet pipe 212, hopper cooling zone 21 Cavity volume is offered, and sink 213 is offered in cavity volume, outlet pipe 212 is located in the cavity volume of 15 wall of machine barrel, and solid with sink 213 Fixed connection, water inlet 211 are opened in 21 appearance wall upper end of hopper cooling zone, enable water to cycle and cool down.

Further, thermostat 23 includes glass shell 231, bimetal leaf 232, contact switch 233 and push rod 234, glass 231 inner cavity upper wall of glass shell fixes contact switch 233, and 233 lower surface of contact switch is fixed with push rod 234,234 lower end of push rod It is fixed with bimetal leaf 232.

In the present embodiment, thermostat 23 includes glass shell 231, bimetal leaf 232, contact switch 233 and push rod 234, 231 inner cavity upper wall of glass shell fixes contact switch 233, and 233 lower surface of contact switch is fixed with push rod 234, under push rod 234 End is fixed with bimetal leaf 232, and thermostat 23 is enable more accurately to carry out temperature control to machine barrel 15.

Further, it there are three thermostat 23 is set altogether, and is uniformly fixed in the cavity volume of 15 wall of machine barrel, and thermostat 23 15 appearance wall of machine barrel is run through in upper end.

In the present embodiment, thermostat 23 is altogether there are three settings, and be uniformly fixed in the cavity volume of 15 wall of machine barrel, and thermostat 15 appearance wall of machine barrel is run through in 23 upper ends, can make to keep constant temperature in machine barrel 15 when heater 22 heats.

The operation principle and process for using of the utility model：After the utility model installs, engine base 11 is placed on water In plane, motor 12 is electrified, rotates motor 12, adds in raw material and dispensing in the hopper 14,12 output terminal of motor with Transmission case 13 is rotatablely connected, and transmission case 13 is rotatablely connected with screw rod 152, and 13 turns of transmission case can be driven when motor 12 rotates Dynamic, transmission case 13 can drive screw rod 152 to rotate, and so as to which mixing and plasticizing zone are brought in the rotation that material is made to pass through screw rod into, expect 15 temperature are excessively high for cylinder when being cooled down, and go up water source by water inlet 212 is logical, water will be entered in 21 cavity volume of hopper cooling zone Sink 211 in, material by hopper cooling zone 21 when, water can to material tentatively be cooled down, the outlet pipe of hopper cooling zone 21 In the cavity volume of 15 wall of machine barrel, it can enable water to enter directly into the cavity volume of 15 wall of machine barrel, and cover entire machine barrel 15, machine barrel 15 offers water outlet 151, and water can be made not stop to carry out circulation temperature lowering, the temperature mistake in machine barrel 15 to machine barrel 15 When low, heater 22 is electrified, thermostat 23 controls the power switch of heater 22, and temperature is detected in bimetal leaf 232 It when spending high, can be bent upwards, push rod 234 can be driven to touch contact switch 233 when being bent upwards, so as to carry out heater 22 Power-off, thermostat 23 use glass shell 231, temperature height can be more accurately identified, when without using extruder, by institute There is power supply disconnection, water source disconnects, and after water source disconnects, the water in machine barrel 15 can be discharged from water outlet 151 automatically.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of novel charging machine barrel in single screw extrusion machine, it is characterised in that：Including transmission device（10）It is cooled down with heating System（20）, the transmission device（10）Including engine base（11）, motor（12）, transmission case（13）, hopper（14）And machine barrel（15）, The motor（12）It is fixed on the engine base（11）Upper surface, the motor（12）Right side is provided with the transmission case（13）, institute State transmission case（13）With the motor（12）Output terminal is rotatablely connected, the transmission case（13）Right side is provided with the machine barrel （15）, the machine barrel（15）Left end and the transmission case（13）Right surface is fixedly connected, the machine barrel（15）Appearance wall is fixed with The hopper（14）, the heating and cooling system（20）Including hopper cooling zone（21）, material tube heater（22）And thermostat （23）, the machine barrel（15）Wall offers cavity volume, the hopper cooling zone（21）With the hopper（14）Lower end is fixedly connected, and Through the machine barrel（15）Wall, the hopper cooling zone（21）Right side is provided with the heater（22）, the heater（22） Right side is provided with the thermostat（23）, the heater（22）With the thermostat（23）It is fixed on the machine barrel（15）Wall In cavity volume, the motor（12）With the heater（22）It is electrically connected with external power supply.

2. the novel charging machine barrel in a kind of single screw extrusion machine according to claim 1, it is characterised in that：The machine barrel （15）Including water outlet（151）And screw rod（152）, the machine barrel（15）Wall offers cavity volume, and appearance wall offer it is described Water outlet（151）, the screw rod（152）Positioned at the machine barrel（15）Inner cavity, and left end and transmission case（13）Rotation connection.

3. the novel charging machine barrel in a kind of single screw extrusion machine according to claim 1, it is characterised in that：The hopper Cooling zone（21）Including sink（213）, water inlet（211）And outlet pipe（212）, the hopper cooling zone（21）Offer appearance Chamber, and the sink is offered in cavity volume（213）, the outlet pipe（212）Positioned at machine barrel（15）In the cavity volume of wall, and with it is described Sink（213）It is fixedly connected, the water inlet（211）It is opened in the hopper cooling zone（21）Appearance wall upper end.

4. the novel charging machine barrel in a kind of single screw extrusion machine according to claim 1, it is characterised in that：The temperature control Device（23）Including glass shell（231）, bimetal leaf（232）, contact switch（233）And push rod（234）, the glass shell （231）Inner cavity upper wall is fixed with the contact switch（233）, the contact switch（233）Lower surface is fixed with the push rod （234）, the push rod（234）Lower end is fixed with the bimetal leaf（232）.

5. the novel charging machine barrel in a kind of single screw extrusion machine according to claim 1, it is characterised in that：The temperature control Device（23）Altogether there are three settings, and uniformly it is fixed on machine barrel（15）In the cavity volume of wall, and the thermostat（23）Institute is run through in upper end State machine barrel（15）Appearance wall.