CN218519064U

CN218519064U - Quick preheating device of injection molding machine

Info

Publication number: CN218519064U
Application number: CN202222786552.2U
Authority: CN
Inventors: 李孟杰; 邱爱芹
Original assignee: Qingdao Qisheng Molding Co ltd
Current assignee: Qingdao Qisheng Molding Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-02-24
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a quick preheating device of an injection molding machine, which comprises a preheating box, wherein the top of the preheating box is provided with a feed chute, one side of the preheating box is fixedly provided with a motor, an output shaft of the motor penetrates through the preheating box and is fixedly provided with a rotating shaft, and the surface of the rotating shaft is fixedly provided with a packing auger; the utility model discloses a long preheating cabinet cooperation auger improves when heating of plastic granules, it melts completely to ensure plastic granules, the bin can be stored plastic granules after preheating, and water tank cooperation heating pipe and inlet tube can keep warm to the bin, keep plastic granules's temperature, can effectively get rid of the moisture on raw materials granule surface, solved current preheating device when production speed is very fast, injection device leads to individuation plastic granules easily because the heat time is not enough and just injects the production in the state of not reaching the complete melting, influence the problem of plastic products quality.

Description

Quick preheating device of injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field specifically is a quick preheating device of injection molding machine.

Background

Injection molding machines are also known as injection molding machines or injection molding machines. The main forming equipment for making various shapes of plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming dies is divided into vertical, horizontal and full-electric types. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, so that the molten plastic is injected to fill the mold cavity, the surface of the injection molding raw material particles usually contains a small amount of moisture, and the moisture forms bubbles in the plastic melting process, so that the internal air hole defect of the produced plastic product is caused, and the strength of the plastic product is influenced. Therefore, the injection molding machine needs to preheat the plastic pellets before producing the plastic products.

Although current preheating device can preheat the stoving, the stoving region is shorter and can't carry out temporary storage plastic granules, when production speed is very fast, injection device leads to individual plastic granules to just inject production in the state of not reaching complete melting because of heating time is not enough easily, influences the quality of plastic products, when the production line because of some reason pause, preheating equipment is in order to pause, the raw materials granule after preheating will cool off rapidly, will influence the normal production of plastics when beginning production once more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick preheating device of injection molding machine, this preheating device have improved when the heating of plastic granules is long, ensure that plastic granules melts completely, can keep warm to plastic granules after preheating and store.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick preheating device of injection molding machine, includes the preheating cabinet, the feed chute has been seted up at the top of preheating cabinet, one side of preheating cabinet is fixed with the motor, the output shaft of motor runs through the preheating cabinet and is fixed with the rotation axis, the fixed surface of rotation axis has the auger, the top of preheating cabinet is fixed with the mount, the front of mount is fixed with the heater, the bottom intercommunication of heater has the air-supply line, the other end and the preheating cabinet intercommunication of air-supply line, the top intercommunication of heater has the fan, the bottom intercommunication of preheating cabinet has the bin, both sides all are fixed with a plurality of support columns around the preheating cabinet, the bottom of support column is fixed with the diaphragm, diaphragm and bin fixed connection, be fixed with insulation construction between bin and the diaphragm, the bottom intercommunication of bin has row material pipe, the fixed surface of arranging the material pipe has the ooff valve.

Preferably, insulation construction includes the water tank, the top intercommunication of water tank has the heating pipe, the surface cover of bin is equipped with the insulation cover, the intercommunication has the wet return between water tank and the insulation cover, one side intercommunication of water tank has the water pump, the top intercommunication of water pump has the inlet tube, the other end and the insulation cover intercommunication of inlet tube.

Preferably, the top of the water tank is communicated with a filling pipe, and the filling pipe is made of a plastic material.

Preferably, the front surface of the water tank is communicated with an observation window, and the observation window is made of glass materials.

Preferably, the top of the feeding groove is communicated with a feeding box, and the feeding box adopts an inverted trapezoidal design.

Preferably, a support plate is fixed on one side of the preheating box and fixedly connected with the motor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a long preheating cabinet cooperation auger improves when heating of plastic granules, it melts completely to ensure plastic granules, the bin can be stored plastic granules after preheating, and water tank cooperation heating pipe and inlet tube can keep warm to the bin, keep plastic granules's temperature, can effectively get rid of the moisture on raw materials granule surface, solved current preheating device when production speed is very fast, injection device leads to individuation plastic granules easily because the heat time is not enough and just injects the production in the state of not reaching the complete melting, influence the problem of plastic products quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a sectional view of the present invention showing a partial three-dimensional structure;

FIG. 3 is a schematic view of a partial three-dimensional structure of the present invention;

fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. a preheating box; 2. a feed chute; 3. a motor; 4. a rotating shaft; 5. a packing auger; 6. a fixed mount; 7. a heater; 8. an air inlet pipe; 9. a fan; 10. a storage tank; 11. a support pillar; 12. a transverse plate; 13. a heat preservation structure; 131. a water tank; 132. heating a tube; 133. a thermal insulation sleeve; 134. a water return pipe; 135. a water pump; 136. a water inlet pipe; 14. a discharge pipe; 15. an on-off valve; 16. a filling pipe; 17. an observation window; 18. a feeding box; 19. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a quick preheating device for an injection molding machine comprises a preheating box 1, a feeding chute 2 is formed in the top of the preheating box 1, a motor 3 is fixed on one side of the preheating box 1, an output shaft of the motor 3 penetrates through the preheating box 1 and is fixed with a rotating shaft 4, a packing auger 5 is fixed on the surface of the rotating shaft 4, a fixing frame 6 is fixed on the top of the preheating box 1, a heater 7 is fixed on the front surface of the fixing frame 6, an air inlet pipe 8 is communicated with the bottom of the heater 7, the other end of the air inlet pipe 8 is communicated with the preheating box 1, a fan 9 is communicated with the top of the heater 7, a storage box 10 is communicated with the bottom of the preheating box 1, a plurality of support columns 11 are fixed on the front side and the rear side of the preheating box 1, a transverse plate 12 is fixed on the bottom of each support column 11, the transverse plate 12 is fixedly connected with the storage box 10, a heat preservation structure 13 is fixed between the storage box 10 and the transverse plate 12, a discharge pipe 14 is communicated with the bottom of the storage box 10, and a switch valve 15 is fixed on the surface of the discharge pipe 14; this preheating device is long when 1 cooperation auger 5 of longer preheating cabinet improves plastic granules's heating through longer preheating cabinet, it melts completely to ensure plastic granules, bin 10 can store plastic granules after preheating, and water tank 131 cooperation heating pipe 132 and inlet tube 136 can keep warm to bin 10, keep plastic granules's temperature, can effectively get rid of the surperficial moisture of raw materials granule, current preheating device has been solved when the production speed is very fast, injection device leads to individuation plastic granules easily because the heat time is not enough and just injects production in the state of not reaching the complete melting, influence the problem of plastic products quality.

The heat preservation structure 13 comprises a water tank 131, the top of the water tank 131 is communicated with a heating pipe 132, the surface of the storage tank 10 is sleeved with a heat preservation sleeve 133, a water return pipe 134 is communicated between the water tank 131 and the heat preservation sleeve 133, one side of the water tank 131 is communicated with a water pump 135, the top of the water pump 135 is communicated with a water inlet pipe 136, the other end of the water inlet pipe 136 is communicated with the heat preservation sleeve 133, the heating pipe 132 can heat water in the water tank 131, the storage tank 10 can be preserved heat through the heat preservation sleeve 133, the temperature of plastic particles is kept, the top of the water tank 131 is communicated with a filling pipe 16, the filling pipe 16 is made of a plastic material, the filling pipe 16 can be filled with clean water, water in the water tank 131 can be conveniently replaced, excessive impurities in the water are avoided, the front of the water tank 131 is communicated with an observation window 17, the observation window 17 is made of a glass material, the observation window 17 can observe the water level in the water tank 131, and avoid too low water level.

The top of feed chute 2 communicates has the workbin 18 of throwing, and the workbin 18 of throwing adopts the design of falling trapezoidal, and the workbin 18 of throwing can be collected plastic granules, can lead when throwing the material, and the staff of being convenient for throws the material work daily.

One side of preheating cabinet 1 is fixed with backup pad 19, and backup pad 19 and motor 3 fixed connection, backup pad 19 can support motor 3, has improved motor 3's stability.

The working principle is as follows: when injection molding processing is carried out, firstly, the material discharging pipe 14 is communicated with a feeding hole of an injection molding machine, then, the motor 3 is started, the heater 7 and the fan 9 are started, the fan 9 sucks air, hot air is generated after the air is heated by the heater 7, then, the hot air is conveyed into the preheating box 1 through the air inlet pipe 8, plastic particles are added into the preheating box 1 through the material feeding box 18, the motor 3 drives the plastic particles to creep through the auger 5, the plastic particles enter the storage box 10 after being preheated, at the moment, the heating pipe 132 heats the water tank 131, hot water is injected into the heat insulation sleeve 133 through the water pump 135 and the water inlet pipe 136, water in the heat insulation sleeve 133 can flow back through the water return pipe 134 to be circularly heated, and finally, the plastic injection molding work is carried out after the hot water is discharged into the injection molding machine through the material discharging pipe 14.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick preheating device of injection molding machine, includes preheating cabinet (1), its characterized in that: feed chute (2) have been seted up at the top of preheating cabinet (1), one side of preheating cabinet (1) is fixed with motor (3), the output shaft of motor (3) runs through preheating cabinet (1) and is fixed with rotation axis (4), the fixed surface of rotation axis (4) has auger (5), the top of preheating cabinet (1) is fixed with mount (6), the front of mount (6) is fixed with heater (7), the bottom intercommunication of heater (7) has air-supply line (8), the other end and the preheating cabinet (1) intercommunication of air-supply line (8), the top intercommunication of heater (7) has fan (9), the bottom intercommunication of preheating cabinet (1) has bin (10), both sides all are fixed with a plurality of support columns (11) around preheating cabinet (1), the bottom of support column (11) is fixed with diaphragm (12), diaphragm (12) and bin (10) fixed connection, be fixed with diaphragm (13) between bin (10) and heat preservation box (12), the bottom of bin (10) has discharge tube (14), discharge tube (14) surface fixed switch (15) intercommunication has blow-off valve (15).

2. The quick preheating device of an injection molding machine according to claim 1, characterized in that: insulation construction (13) are including water tank (131), the top intercommunication of water tank (131) has heating pipe (132), the surface cover of bin (10) is equipped with insulation cover (133), the intercommunication has wet return (134) between water tank (131) and insulation cover (133), one side intercommunication of water tank (131) has water pump (135), the top intercommunication of water pump (135) has inlet tube (136), the other end and insulation cover (133) intercommunication of inlet tube (136).

3. The quick preheating device of an injection molding machine according to claim 2, characterized in that: the top of the water tank (131) is communicated with a filling pipe (16), and the filling pipe (16) is made of plastic materials.

4. The quick preheating device of an injection molding machine according to claim 2, characterized in that: the front surface of the water tank (131) is communicated with an observation window (17), and the observation window (17) is made of glass materials.

5. The quick preheating device of an injection molding machine according to claim 1, characterized in that: the top of the feed chute (2) is communicated with a feeding box (18), and the feeding box (18) adopts an inverted trapezoidal design.

6. The quick preheating device of an injection molding machine according to claim 1, characterized in that: a support plate (19) is fixed on one side of the preheating box (1), and the support plate (19) is fixedly connected with the motor (3).