CN210850932U - Vacuum feeding device for automobile plastic particles - Google Patents

Abstract

The utility model discloses a vacuum feeding device for automobile plastic particles, which comprises a storage box, a feeding pipe and a drying box; one end of the feeding pipe is communicated with the bottom of the side face of the material storage box, and the other end of the feeding pipe is communicated with the side face of the drying box; an exhaust fan is arranged on the outer side of the drying box, an air inlet of the exhaust fan is communicated with the inside of the drying box, and an air outlet of the exhaust fan is provided with a dust collecting device; the bottom of the drying box is provided with a discharge hole, and the discharge hole is communicated with injection molding equipment; the feeding device further comprises a controller, and the controller is connected with the exhaust fan. The utility model has the advantages that the plastic particles are conveyed and loaded in a way of vacuumizing to form negative pressure, so that the efficiency is high; the plastic particles are dried in a vacuum drying mode, so that the moisture on the plastic particles can be evaporated at normal temperature, and the drying effect is better; the utility model discloses an ion wind gets rid of the dust on plastic granules surface, has improved the quality of plastic products greatly to the environment in workshop has been improved.

Description

Vacuum feeding device for automobile plastic particles

Technical Field

The utility model belongs to the technical field of the plastics processing equipment, specifically a car plastic granule vacuum feeding device.

Background

With the continuous development of the plastic machinery industry, the injection molding production process is also continuously improved, and the advantages of injection molding parts exceed the advantages of traditional castings such as metal castings and the like, so that the injection molding parts are widely applied; at present, need use the plastic granules material loading machine at the in-process of production injection molding, the plastic granules material loading machine will be stored the plastic raw materials in the storage vat and carry out follow-up processing next in-process, however, current plastic granules material loading machine often needs the manual work to feed in toward the storage vat in the use, and produce a large amount of dusts in whole feeding process, pollute operational environment, not only bring very big potential safety hazard for the staff, and in follow-up production process, because a large amount of dusts are stained with on the plastic granules, also can cause certain influence to product quality.

Before entering injection molding equipment, plastic particles need to be dried, the existing drying procedure is generally carried out in a hot air passing mode, however, hot air passing drying has certain defects, and if the ventilation time is too short, the drying degree is insufficient; if the ventilation time is too long, plastic particles can be burnt; the drying time is difficult to control.

Chinese patent with publication number CN205561492U discloses a plastic granules low moisture drying device, including the drying box, drying box one side is provided with the stoving heater of carrying hot-blast in the drying box, its characterized in that, the top of drying box is equipped with the feed bin, be equipped with time delay control's feed valve between feed bin and the drying box, the bottom of drying box is equipped with time delay control's blowing valve. The utility model adopts the mode of valve intermittent feeding controlled by time delay to dry the materials in batches and strictly block the materials, thereby avoiding the discharged materials from mixing into the water-containing materials which are not fully dried; meanwhile, the opening of the valve and the fan is controlled through the time relay, so that automatic control is realized, the drying of materials is standardized, and errors caused by empirical judgment are reduced.

Disclosure of Invention

The utility model aims at the problem that prior art exists, provide a car plastic granule vacuum feeding device, can effectively get rid of the dust and the moisture of adhesion on the plastic granules, guarantee the environmental health of plastics workshop, improved the product quality of injection molding simultaneously.

In order to achieve the above object, the utility model adopts the following technical scheme:

a vacuum feeding device for automobile plastic particles comprises a storage box, a feeding pipe and a drying box; one end of the feeding pipe is communicated with the bottom of the side face of the material storage box, and the other end of the feeding pipe is communicated with the side face of the drying box; an exhaust fan is arranged on the outer side of the drying box, an air inlet of the exhaust fan is communicated with the inside of the drying box, and an air outlet of the exhaust fan is provided with a dust collecting device; the bottom of the drying box is provided with a discharge hole, and the discharge hole is communicated with injection molding equipment; the feeding device further comprises a controller, and the controller is connected with the exhaust fan.

The utility model discloses in, the storage case is used for adorning the plastic granules raw materials, the air exhauster that the drying cabinet outside set up is used for taking the plastic granules raw materials in the storage case into through the negative pressure and carries out vacuum drying in the drying cabinet and handle to detach the moisture among the plastic granules, vacuum/negative pressure environment can reduce the boiling point of moisture, make moisture just can evaporate naturally at 5 ~ 10 ℃ temperature lower even, the moisture that evaporates is taken out by the air exhauster, can realize the drying to the plastic granules, this drying method is normal atmospheric temperature drying, can not exert an influence to the quality of plastic granules.

Specifically, a feed port and a discharge port of the drying box are respectively provided with a first electromagnetic valve and a second electromagnetic valve, and the first electromagnetic valve and the second electromagnetic valve are respectively connected with a controller; when the plastic granules are fed, the first electromagnetic valve is opened, the second electromagnetic valve is closed, the exhaust fan is opened, and air in the drying box and the feeding pipe can be pumped out to form a negative pressure environment, so that the plastic granules in the storage box are pumped into the drying box by using negative pressure; during drying, first solenoid valve, second solenoid valve are all closed, and the air exhauster is opened, forms a negative pressure environment with the drying cabinet, carries out vacuum drying to plastic granules.

Specifically, the air inlet of air exhauster is equipped with the screen panel, the screen panel is used for blocking plastic granules, prevents that plastic granules from getting into in the air exhauster.

Further, the screen panel top is equipped with the vibrator, the vibration end and the screen panel of vibrator are connected, the vibrator is connected with the controller, the vibrator is used for driving the screen panel vibration, shakes the adsorbed plastic granules on the screen panel and takes off, avoids plugging up the air intake of air exhauster.

Specifically, the bottom of the storage box is provided with a weighing sensor, the weighing sensor is connected with the controller, and the weighing sensor is used for detecting the residual amount of the plastic particle raw materials in the storage box, so that the plastic particle raw materials can be supplemented into the storage box in time.

Specifically, an ion generator is arranged at one end, close to the material storage box, of the feeding pipe and connected with a controller, the ion generator is used for generating negative ions, the negative ions form ion wind in the feeding pipe under the action of an exhaust fan, the ion wind can remove static electricity on plastic particles, so that dust particles adhered to the plastic particles are stripped, the stripped dust ions are absorbed into the dust collecting device under the action of the exhaust fan, dust is prevented from being scattered into a workshop, and the environment cleanliness of the workshop is guaranteed; meanwhile, the quality of the plastic product is ensured.

Specifically, the dust collecting device is a dust collecting cloth bag which can effectively block dust and simultaneously exhaust air.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages that the plastic particles in the storage box are pumped into the drying box through the exhaust fan by arranging the exhaust fan outside the drying box, so that the feeding efficiency of the plastic particles is greatly improved; meanwhile, the ion generator is arranged at the feeding hole of the feeding pipe to generate negative ions, the negative ions form ion wind under the action of the exhaust fan, dust particles adhered to the plastic particles are effectively removed through the ion wind, and the dust particles are collected by the dust collecting cloth bag arranged at the air outlet of the exhaust fan, so that the environment of a workshop is greatly improved, and the quality of plastic products is improved; the utility model discloses a vacuum drying's mode carries out the drying under the normal atmospheric temperature condition to plastic granules, has improved drying effect greatly, has guaranteed plastic granules's quality simultaneously.

Drawings

FIG. 1 is a schematic structural view of a vacuum feeding device for automobile plastic particles according to the present invention;

FIG. 2 is a schematic block diagram of an electrical control structure of the vacuum feeding device for automobile plastic granules of the present invention;

in the figure: 1. a material storage box; 2. feeding pipes; 3. a drying oven; 4. an exhaust fan; 5. a dust collecting cloth bag; 6. an injection molding apparatus; 7. a first solenoid valve; 8. a second solenoid valve; 9. a mesh enclosure; 10. a vibrator; 11. a weighing sensor; 12. an ion generator.

Detailed Description

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

As shown in fig. 1 and 2, the present embodiment provides a vacuum feeding device for automobile plastic particles, which includes a storage box 1, a feeding pipe 2 and a drying box 3; one end of the feeding pipe 2 is communicated with the bottom of the side face of the material storage box 1, and the other end of the feeding pipe is communicated with the side face of the drying box 3; an exhaust fan 4 is arranged on the outer side of the drying box 3, an air inlet of the exhaust fan 4 is communicated with the inside of the drying box 3, and an air outlet of the exhaust fan 4 is provided with a dust collecting device; a discharge port is formed in the bottom of the drying box 3 and communicated with the injection molding equipment 6; the feeding device further comprises a controller, and the controller is connected with the exhaust fan 4.

In this embodiment, storage case 1 is used for adorning the plastic granules raw materials, air exhauster 4 that the 3 outside of drying cabinet set up is used for carrying out vacuum drying in the plastic granules raw materials in storage case 1 is taken into drying cabinet 3 through the negative pressure and handles, in order to detach the moisture among the plastic granules, vacuum/negative pressure environment can reduce the boiling point of moisture, make moisture just can evaporate naturally at 5 ~ 10 ℃ temperature even lower, the moisture of evaporation is taken out by air exhauster 4, can realize the drying to the plastic granules, this drying method is the normal atmospheric temperature drying, can not exert an influence to the quality of plastic granules.

Specifically, a first electromagnetic valve 7 and a second electromagnetic valve 8 are respectively arranged at a feeding port and a discharging port of the drying box 3, and the first electromagnetic valve 7 and the second electromagnetic valve 8 are respectively connected with a controller; during feeding, the first electromagnetic valve 7 is opened, the second electromagnetic valve 8 is closed, the exhaust fan 4 is opened, and air in the drying box 3 and the feeding pipe 2 can be pumped out to form a negative pressure environment, so that plastic particles in the storage box 1 are pumped into the drying box 3 by using negative pressure; during drying, first solenoid valve 7, second solenoid valve 8 are all closed, and air exhauster 4 opens, forms a negative pressure environment with drying cabinet 3 in, carries out vacuum drying to plastic granules.

Specifically, the air inlet of the exhaust fan 4 is provided with a mesh enclosure 9, and the mesh enclosure 9 is used for blocking plastic particles and preventing the plastic particles from entering the exhaust fan 4; in this embodiment, the pore diameter of the leakage hole of the mesh enclosure 9 is larger than the average diameter of dust particles and smaller than the average diameter of silica gel particles.

Further, be equipped with vibrator 10 above screen panel 9, vibrator 10's vibration end is connected with screen panel 9, vibrator 10 is connected with the controller, vibrator 10 is used for driving screen panel 9 vibration, shakes the adsorbed plastic granules on the screen panel 9 and takes off, avoids plugging up the air intake of air exhauster 4.

Specifically, storage case 1 bottom is equipped with weighing sensor 11, weighing sensor 11 is connected with the controller, weighing sensor 11 is used for detecting the surplus of the inside plastic granules raw materials of storage case 1, is convenient for in time supply the plastic granules raw materials to storage case 1.

Preferably, an ion generator 12 is arranged at one end of the feeding pipe 2 close to the material storage box 1, the ion generator 12 is connected with a controller, the ion generator 12 is used for generating negative ions, the negative ions form ion wind in the feeding pipe 2 under the action of an exhaust fan 4, the ion wind can remove static electricity on plastic particles, so that dust particles adhered to the plastic particles are stripped, the stripped dust ions are absorbed into the dust collecting device under the action of the exhaust fan 4, dust is prevented from being scattered into a workshop, and the environmental cleanliness of the workshop is ensured; meanwhile, the quality of the plastic product is ensured.

Specifically, the dust collecting device is a dust collecting cloth bag 5, and the dust collecting cloth bag 5 can effectively block dust and simultaneously exhaust air.

When the feeding device is used, the first electromagnetic valve 7 is firstly opened, the second electromagnetic valve 8 is closed, the ion generator 12, the exhaust fan 4 and the vibrator 10 are simultaneously opened, plastic particles in the storage box 1 are sucked into the drying box 3 by the exhaust fan 4, static electricity of the plastic particles is removed by ion wind in the feeding pipe 2, so that dust particles adhered to the plastic particles are stripped, and the stripped particles are collected by the dust collecting cloth bag 5 under the action of the exhaust fan 4; after the feeding is finished, closing the first electromagnetic valve 7 and the ion generator 12; forming a negative pressure environment in the drying box 3 through an exhaust fan 4, and performing vacuum drying on the plastic particles in the drying box 3 to remove moisture adhered to the plastic particles; after drying, the exhaust fan 4 is closed, the second electromagnetic valve 8 is opened, and the plastic particles in the drying box 3 are poured into injection molding equipment 6 for injection molding processing; the weighing sensor 11 at the bottom of the storage box 1 detects the residual amount of plastic particles in the box body, and when the residual amount is insufficient, plastic particle raw materials are supplemented for the storage box 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (7)

1. A vacuum feeding device for automobile plastic particles is characterized by comprising a storage box, a feeding pipe and a drying box; one end of the feeding pipe is communicated with the bottom of the side face of the material storage box, and the other end of the feeding pipe is communicated with the side face of the drying box; an exhaust fan is arranged on the outer side of the drying box, an air inlet of the exhaust fan is communicated with the inside of the drying box, and an air outlet of the exhaust fan is provided with a dust collecting device; the bottom of the drying box is provided with a discharge hole, and the discharge hole is communicated with injection molding equipment; the feeding device further comprises a controller, and the controller is connected with the exhaust fan.

2. The vacuum feeding device for automobile plastic particles as claimed in claim 1, wherein a first solenoid valve and a second solenoid valve are respectively disposed at the feeding port and the discharging port of the drying box, and the first solenoid valve and the second solenoid valve are respectively connected to the controller.

3. The vacuum feeding device for automobile plastic granules according to claim 1, wherein the air inlet of the exhaust fan is provided with a mesh enclosure.

4. The vacuum feeding device for automobile plastic granules according to claim 3, wherein a vibrator is disposed above the mesh enclosure, a vibration end of the vibrator is connected to the mesh enclosure, and the vibrator is connected to the controller.

5. The vacuum feeding device for automobile plastic granules according to claim 1, wherein a weighing sensor is disposed at the bottom of the storage box, and the weighing sensor is connected to the controller.

6. The vacuum feeding device for automobile plastic particles as claimed in claim 1, wherein an ion generator is disposed at one end of the feeding pipe close to the material storage box, and the ion generator is connected to the controller.

7. The vacuum loading device for automobile plastic granules according to claim 1, wherein the dust collecting device is a dust collecting cloth bag.

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