CN209158900U - A kind of single screw extrusion machine electromagnetic heater - Google Patents

Abstract

The utility model discloses a kind of single screw extrusion machine electromagnetic heaters, including outer cage, vacuum chamber is equipped with inside the outer cage, the vacuum chamber is equipped with inner casing, the inner casing outer sheath is equipped with the first heating coil, through equipped with screw rod inside the inner casing, the inside screw is equipped with installation cavity, cross bar is fixed with inside the installation cavity, the cross bar outer sheath is equipped with the second heating coil, mounting plate is equipped with inside the installation cavity, the mounting plate is set to cross bar side, the mounting plate side is equipped with positive strap and negative straps, the negative straps are set to positive strap bottom, the screw rod end is equipped with movable block.The utility model achievees the effect that second level heats, heating effect is more ideal, and faster, heating is more uniform for heating speed, and design is reasonable, practicability with higher by matching using the first heating coil with the second heating coil.

Description

A kind of single screw extrusion machine electromagnetic heater

Technical field

The utility model relates to electromagnetic heating technique field, in particular to a kind of single screw extrusion machine is filled with electromagnetic heating It sets.

Background technique

Single screw extrusion machine is mainly used for squeezing out the thermoplastics such as soft, hard polyvinyl chloride, polyethylene, and a variety of modelings can be processed Material products, such as blown film, crowded pipe, pressing plate, hot candied band, also can be used for melt pelletization.

And when being processed to plastic products, it needs to heat plastic products, single screw rod in the prior art The heating method that extruder uses is varied, such as electromagnetic heating, electromagnetic heating are also referred to as electromagnetic induction heating, i.e. electromagnetic heating Technology, the principle of electromagnetic heating are to generate alternating magnetic field by electronic circuit board component part, place when with containing container made of iron When face, vessel surface is to cut alternate magnetic force line and generate the electric current of alternation in container bottom metal part, and vortex makes container bottom The carrier high speed random motion in portion, carrier and atom collide with each other, rub and generate thermal energy, to play heating article Effect, but the electromagnetic heater in the prior art for single screw extrusion machine in actual use there is also it is some lack Point, if heating effect is undesirable, heating speed is slower, heats the disadvantages of not uniform enough.

Therefore, invent a kind of single screw extrusion machine solved the above problems with electromagnetic heater it is necessary.

Utility model content

The purpose of this utility model is to provide a kind of single screw extrusion machine electromagnetic heaters, by adding using first Heat coil is matched with the second heating coil, achievees the effect that second level heats, while by the outside of plastic products and plastics system Plastic products are heated in the inside of product, and compared to the prior art, the utility model heating effect is more ideal, heating speed Faster, heating is more uniform, and design is reasonable, practicability with higher, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of single screw extrusion machine electromagnetic heating Device, including outer cage, the outer cage inside are equipped with vacuum chamber, and the vacuum chamber is equipped with inner casing, the inner casing Outer sheath is equipped with the first heating coil, runs through inside the inner casing and is equipped with screw rod, and the inside screw is equipped with installation cavity, institute It states and is fixed with cross bar inside installation cavity, the cross bar outer sheath is equipped with the second heating coil, is equipped with inside the installation cavity Mounting plate, the mounting plate are set to cross bar side, and the mounting plate side is equipped with positive strap and negative straps, described negative Pole connection sheet is set to positive strap bottom, and the screw rod end is equipped with movable block, and movable block side nesting is equipped with anode Connection ring and cathode connection ring, the cathode connection ring are set on the outside of positive connection ring.

Preferably, the outer cage bottom is equipped with the first power supply, and first heating coil is connect with the first power supply.

Preferably, the positive strap is bonded with positive connection ring, and the negative straps are bonded with cathode connection ring, The anode connection ring and cathode connection ring are equipped with conducting wire, and the movable block side is fixed with second source, the conducting wire It is connect with second source.

Preferably, the outer cage bottom is fixed with vacuum pump, and the vacuum pump is equipped with exhaust pipe, the exhaust pipe Through outer cage bottom and vacuum chamber is extended to, the vacuum cavity wall is equipped with insulating layer.

Preferably, it is equipped with feed hopper at the top of the outer cage and side is equipped with discharge nozzle, the outer cage other side is set There is transmission mechanism, the transmission mechanism includes motor, and the motor is connect with screw drive.

Preferably, the motor and movable block side are fixed with mounting rack, and the fixed nesting in the movable block side is set There is bearing, the bearing inner race is fixedly connected with screw rod.

The technical effect and advantage of the utility model:

1, the first power supply is that the first heating coil is powered, and second source passes through conducting wire then as positive connection ring and cathode Connection ring power supply, the second heating coil then passes through positive strap and negative straps receive the electric current from second source, the One heating coil generates heat after being powered with the second heating coil, and the first heating coil is that inner casing is heated at this time, the second heating Coil is then that cross bar is heated, and the heat on cross bar is transferred to screw rod by installation cavity again, heat by screw rod the inside machine in surface It is distributed inside shell, to match using the first heating coil with the second heating coil, achievees the effect that second level heats, while by Plastic products are heated in the outside of plastic products and the inside of plastic products, compared to the prior art, the utility model Heating effect is more ideal, and faster, heating is more uniform for heating speed, and design is reasonable, practicability with higher；

2, the utility model is by being equipped with vacuum pump, exhaust pipe and insulating layer, in order to which vacuum pump can use exhaust pipe The air of vacuum chamber is extracted out, so that vacuum chamber maintains the state of vacuum, while cooperating the insulation of insulating layer Effect effectively avoids heat waste so that the heat on inner casing be avoided to be dispersed into outside outer cage；

3, by being equipped with positive connection ring and cathode connection ring, in order to make screw rod when rotated, positive strap and Negative straps effectively can also connect electricity from positive connection ring and cathode connection ring, ensure that the normal fortune of the utility model Row.

Detailed description of the invention

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

Fig. 2 is the inner casing schematic diagram of internal structure of the utility model.

Fig. 3 is the inside screw structural schematic diagram of the utility model.

Fig. 4 is part A structural schematic diagram in Fig. 2 of the utility model.

In figure: 1 outer cage, 2 vacuum chambers, 3 inner casings, 4 first heating coils, 5 screw rods, 6 installation cavitys, 7 cross bars, 8 second Heating coil, 9 mounting plates, 10 positive straps, 11 negative straps, 12 movable blocks, 13 positive connection rings, the connection of 14 cathode Ring, 15 conducting wires, 16 first power supplys, 17 second sources, 18 vacuum pumps, 19 exhaust pipes, 20 feed hoppers, 21 discharge nozzles, 22 drivers Structure, 23 motors, 24 mounting racks, 25 insulating layers.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of single screw extrusion machine electromagnetic heater as shown in Figs 1-4, including outer machine Shell 1 is equipped with vacuum chamber 2 inside the outer cage 1, inner casing 3 is equipped with inside the vacuum chamber 2, is socketed on the outside of the inner casing 3 Equipped with the first heating coil 4, through screw rod 5 is equipped with inside the inner casing 3, installation cavity 6 is equipped with inside the screw rod 5, it is described Cross bar 7 is fixed with inside installation cavity 6,7 outer sheath of cross bar is equipped with the second heating coil 8, sets inside the installation cavity 6 There is mounting plate 9, the mounting plate 9 is set to 7 side of cross bar, and 9 side of mounting plate is equipped with positive strap 10 and connect with cathode Piece 11, the negative straps 11 are set to 10 bottom of positive strap, and 5 end of screw rod is equipped with movable block 12, the activity 12 side nesting of block is equipped with positive connection ring 13 and cathode connection ring 14, and the cathode connection ring 14 is set to outside positive connection ring 13 Side, by being equipped with positive connection ring 13 and cathode connection ring 14, in order to make screw rod 5 when rotated, positive strap 10 with Negative straps 11 effectively can also connect electricity from positive connection ring 13 and cathode connection ring 14, ensure that the utility model just Often operation.

Further, in the above-mentioned technical solutions, 1 bottom of outer cage is equipped with the first power supply 16, first heating Coil 4 is connect with the first power supply 16.

Further, in the above-mentioned technical solutions, the positive strap 10 is bonded with positive connection ring 13, the cathode Connection sheet 11 is bonded with cathode connection ring 14, and the anode connection ring 13 is equipped with conducting wire 15, the work with cathode connection ring 14 12 side of motion block is fixed with second source 17, and the conducting wire 15 is connect with second source 17.

Further, in the above-mentioned technical solutions, 1 bottom of outer cage is fixed with vacuum pump 18, the vacuum pump 18 are equipped with exhaust pipe 19, and the exhaust pipe 19 is through 1 bottom of outer cage and extends to inside vacuum chamber 2, in the vacuum chamber 2 Wall is equipped with insulating layer 25, and the utility model is by being equipped with vacuum pump 18, exhaust pipe 19 and insulating layer 25, in order to vacuum pump 18 It can use exhaust pipe 19 to extract the air inside vacuum chamber 2 out, so that maintaining the state of vacuum inside vacuum chamber 2, match simultaneously The heat insulating effect for closing insulating layer 25 effectively avoids heat so that the heat on inner casing 3 be avoided to be dispersed into outside outer cage 1 Amount waste.

Further, in the above-mentioned technical solutions, it is equipped with feed hopper 20 at the top of the outer cage 1 and side is equipped with discharging Pipe 21,1 other side of outer cage are equipped with transmission mechanism 22, and the transmission mechanism 22 includes motor 23, the motor 23 and spiral shell Bar 5 is sequentially connected.

Further, in the above-mentioned technical solutions, the motor 23 is fixed with mounting rack 24 with 12 side of movable block, 12 side of movable block is fixed nested equipped with bearing, and the bearing inner race is fixedly connected with screw rod 5.

Utility model works principle:

Referring to Figure of description 1, attached drawing 2 and attached drawing 3, when work, the first power supply 16 is that the first heating coil 4 is supplied Electricity, second source 17 are then positive connection ring 13 and the power supply of cathode connection ring 14 by conducting wire 15, and the second heating coil 8 then passes through Positive strap 10 and negative straps 11 receive the electric current from second source 17, the first heating coil 4 and the second heater wire Circle 8 generates heat after being powered, and the first heating coil 4 is that inner casing 3 is heated at this time, and the second heating coil 8 is then added for cross bar 7 Heat, heat on cross bar 7 are transferred to screw rod 5 by installation cavity 6 again, heat from the surface of screw rod 5 to inner casing 3 inside distribute, from And matched using the first heating coil 4 with the second heating coil 8, achieve the effect that second level heats, while by plastic products Plastic products are heated in outside and the inside of plastic products, and compared to the prior art, the utility model heating effect is more Add ideal, faster, heating is more uniform for heating speed, and design is reasonable, practicability with higher；

Referring to Figure of description 1, the utility model by being equipped with vacuum pump 18, exhaust pipe 19 and insulating layer 25, in order to Vacuum pump 18 can use exhaust pipe 19 and extract the air inside vacuum chamber 2 out, so that maintaining the shape of vacuum inside vacuum chamber 2 State, while cooperating the heat insulating effect of insulating layer 25, so that the heat on inner casing 3 be avoided to be dispersed into outside outer cage 1, have Effect avoids heat waste；

Referring to Figure of description 4, by being equipped with positive connection ring 13 and cathode connection ring 14, in order to make screw rod 5 exist When rotation, positive strap 10 can also effectively connect from positive connection ring 13 and cathode connection ring 14 with negative straps 11 Electricity ensure that the normal operation of the utility model.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of single screw extrusion machine electromagnetic heater, including outer cage (1), it is characterised in that: in the outer cage (1) Portion is equipped with vacuum chamber (2), is equipped with inner casing (3) inside the vacuum chamber (2), and inner casing (3) outer sheath is equipped with first Heating coil (4), the inner casing (3) is internal through screw rod (5) are equipped with, and is equipped with installation cavity (6) inside the screw rod (5), institute It states and is fixed with cross bar (7) inside installation cavity (6), cross bar (7) outer sheath is equipped with the second heating coil (8), the peace It behave affectedly inside (6) equipped with mounting plate (9), the mounting plate (9) is set to cross bar (7) side, and mounting plate (9) side is equipped with just Pole connection sheet (10) and negative straps (11), the negative straps (11) are set to positive strap (10) bottom, the spiral shell Bar (5) end is equipped with movable block (12), and movable block (12) the side nesting is equipped with positive connection ring (13) and cathode connection ring (14), the cathode connection ring (14) is set on the outside of positive connection ring (13).

2. a kind of single screw extrusion machine electromagnetic heater according to claim 1, it is characterised in that: the outer cage (1) bottom is equipped with the first power supply (16), and first heating coil (4) connect with the first power supply (16).

3. a kind of single screw extrusion machine electromagnetic heater according to claim 1, it is characterised in that: the anode is even Contact pin (10) is bonded with positive connection ring (13), and the negative straps (11) are bonded with cathode connection ring (14), the anode Connection ring (13) and cathode connection ring (14) are equipped with conducting wire (15), and movable block (12) side is fixed with second source (17), the conducting wire (15) connect with second source (17).

4. a kind of single screw extrusion machine electromagnetic heater according to claim 1, it is characterised in that: the outer cage (1) bottom is fixed with vacuum pump (18), and the vacuum pump (18) is equipped with exhaust pipe (19), and the exhaust pipe (19) is through outer Casing (1) bottom simultaneously extends to vacuum chamber (2) inside, and vacuum chamber (2) inner wall is equipped with insulating layer (25).

5. a kind of single screw extrusion machine electromagnetic heater according to claim 1, it is characterised in that: the outer cage (1) top is equipped with feed hopper (20) and side is equipped with discharge nozzle (21), and outer cage (1) other side is equipped with transmission mechanism (22), the transmission mechanism (22) includes motor (23), and the motor (23) and screw rod (5) are sequentially connected.

6. a kind of single screw extrusion machine electromagnetic heater according to claim 5, it is characterised in that: the motor (23) it being fixed with mounting rack (24) with movable block (12) side, the fixed nesting in movable block (12) side is equipped with bearing, The bearing inner race is fixedly connected with screw rod (5).