CN219073470U

CN219073470U - Plastic raw material heating device of plastic spraying machine

Info

Publication number: CN219073470U
Application number: CN202223242350.8U
Authority: CN
Inventors: 陈健
Original assignee: Qingdao Jinlaite Building Materials Co ltd
Current assignee: Qingdao Jinlaite Building Materials Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-26
Anticipated expiration: 2032-12-02

Abstract

The utility model provides a plastic raw material heating device of a plastic spraying machine, which comprises a machine shell and a feeding box fixedly connected with the machine shell; and a heating cylinder is transversely and fixedly arranged in the inner cavity of the shell. This plastic raw material heating device of plastic spraying machine, when the material pours into the feeding case, because the material can produce the caking after the wet, consequently, when the material arrives screening net department, screening net can filter the material, start air inlet fan and last heater strip when filterable, make the air current blow in the inner chamber of feeding case after heating and dry the heating to screening net department's material, make the material dry, broken axle rotates afterwards, the material to the caking is broken, make it scatter after the drying, and drop at the inner chamber of heating cylinder through screening net and carry out follow-up heating, the material that has avoided the wet caking gets into the inside of heating cylinder, lead to the raw materials after the inner chamber heating of heating cylinder, the inhomogeneous problem of material heating.

Description

Plastic raw material heating device of plastic spraying machine

Technical Field

The utility model belongs to the technical field of plastic spraying machines, and particularly relates to a plastic raw material heating device of a plastic spraying machine.

Background

The plastic spraying machine is an industrial equipment for surface treatment of objects, and can spray and adsorb powdery paint containing epoxy resin, polyester resin (plastic) and other materials onto the objects, and the sprayed objects are solidified in a fixed telephone furnace to obtain complete coating so as to play the functions of decoration, corrosion resistance and the like.

In order to improve the adhesive force of plastic powder, the plastic material is usually required to be heated by an electric heater, then the raw material heated by the electric heater is conveyed to the inside of the plastic spraying machine for use, but the raw material is inevitably wetted and agglomerated when being stored and conveyed, so that the agglomerated raw material is heated unevenly after being heated, water vapor can cause bubbles in the raw material, and when the heated raw material enters the plastic spraying machine for plastic spraying, the plastic spraying product is defective, and the quality of the product is affected.

Disclosure of Invention

In order to solve the problems, the utility model provides a plastic raw material heating device of a plastic spraying machine, which comprises a machine shell and a feeding box fixedly connected with the machine shell; a heating cylinder is transversely and fixedly arranged in the inner cavity of the shell, a spiral rod is arranged in the inner cavity of the heating cylinder, and a lower heating wire is wound on the surface of the heating cylinder; a blanking cavity communicated with the inner cavity of the heating cylinder is formed in the bottom of the feeding box, an air inlet cylinder is transversely and fixedly arranged on one side of the feeding box, an upper heating wire is arranged in the air inlet cylinder, an air inlet fan is arranged at the left end of the inner cavity of the air inlet cylinder, an air vent communicated with the feeding box is formed in the right end of the inner cavity of the air inlet cylinder, and a first filter screen is vertically and fixedly arranged in the air vent; the inner cavity of the feeding box is transversely and fixedly provided with a screening net, and the top of the inner cavity of the feeding box, which is positioned on the screening net, is rotatably and transversely provided with a crushing shaft.

Preferably, the front of the feeding box is fixedly provided with an exhaust box, and the front of the shell is fixedly provided with a dust removing box at the corresponding position of the discharging cavity.

Preferably, an extraction opening communicated with the inner cavity of the feeding box is formed in the inner wall of the extraction box, and a second filter screen is fixedly arranged in the inner cavity of the extraction opening.

Preferably, an exhaust port communicated with the inner cavity of the blanking cavity is formed in the inner wall of the dust removing box, and a third filter screen is transversely and fixedly arranged in the exhaust port.

Preferably, suction pumps are fixedly arranged on two sides of the front face of the shell, and an air inlet of each suction pump is communicated with an inner cavity of the suction box.

Preferably, the air outlet of the pump is communicated with the inner cavity of the dust removal box, and the front surface of the dust removal box is provided with a switch door.

Preferably, a sealing door is arranged on the surface of the air inlet cylinder and positioned at the position of the upper heating wire.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the plastic raw material heating device of the plastic spraying machine, when materials are poured into the feeding box, the materials are agglomerated after being wetted, so that when the materials reach the screening net, the screening net can filter the materials, the air inlet fan and the upper heating wire are started while filtering, so that the materials at the screening net are dried and heated by blowing into the inner cavity of the feeding box after air flow heating, the materials are dried, then the crushing shaft rotates, the agglomerated materials are crushed, the dried and scattered materials fall into the inner cavity of the heating cylinder through the screening net for subsequent heating and conveying, the problem that the wetted and agglomerated materials enter the heating cylinder to heat the inner cavity of the heating cylinder, the materials are heated unevenly, air bubbles exist in the materials, and when the plastic spraying machine sprays plastic, the sprayed plastic products are flawed is avoided.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional side view of the screen and crushing shaft of the present utility model;

fig. 3 is a schematic cross-sectional elevation view of the structure of the suction box and the dust removal box of the present utility model.

In the figure: 1. a housing; 2. a feed box; 3. an extraction opening; 4. a crushing shaft; 5. an exhaust box; 6. an exhaust port; 7. a heating cylinder; 8. a blanking cavity; 9. an air inlet cylinder; 10. a vent hole; 11. a dust removal box; 12. heating wires are arranged on the heating wires; 13. screening net; 14. and (5) pumping.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a plastic raw material heating device of a plastic spraying machine comprises a machine shell 1 and a feeding box 2 fixedly connected with the machine shell 1; the inner cavity of the shell 1 is transversely and fixedly provided with a heating cylinder 7, the inner cavity of the heating cylinder 7 is provided with a screw rod, and the surface of the heating cylinder 7 is wound with a lower heating wire.

One side of the shell 1 is fixedly provided with a driving motor for driving the screw rod to rotate

The material of the heating cylinder 7 is a heat conductive metal material.

After the material gets into the inside of heating section of thick bamboo 7, start down the heater strip, can heat heating section of thick bamboo 7, start driving motor and drive the hob and rotate when heating the material of heating section of thick bamboo 7 inner chamber afterwards for the material stirs even heating.

The blanking cavity 8 that is linked together with the inner chamber of the heating cylinder 7 is offered to the bottom of feeding case 2, and one side of feeding case 2 transversely fixedly mounted has an air inlet cylinder 9, and the inside of air inlet cylinder 9 is provided with heater strip 12, and the left end of air inlet cylinder 9 inner chamber is provided with the air inlet fan, and air vent 10 that is linked together with feeding case 2 is offered to the right-hand member of air inlet cylinder 9 inner chamber, and the inside vertical fixed mounting of air vent 10 has first filter screen.

When the air inlet fan and the upper heating wire 12 are started, the upper heating wire 12 heats the air flow when the air flow of the air inlet fan is blown onto the upper heating wire 12, the heated air flow enters the inner cavity of the feeding box 2, then the materials are poured into the inner cavity of the feeding box 2, so that the hot air heats the damp materials, and the dried and non-caking materials can enter the inner cavity of the heating cylinder 7 through the screening net 13.

The inner cavity of the feeding box 2 is transversely and fixedly provided with a screening net 13, and the top of the inner cavity of the feeding box 2, which is positioned on the screening net 13, is rotatably and transversely provided with a crushing shaft 4.

In this embodiment, the agglomerated material may be broken up by rotation of the crushing shaft 4 so that the material may fall through the screen 13 into the interior of the heating cylinder 7.

One side of the feeding box 2 is fixedly provided with a servo motor for driving the crushing shaft 4 to rotate

Further, the front of the feeding box 2 is fixedly provided with an extraction box 5, the front of the machine shell 1 is fixedly provided with a dust removal box 11 at a corresponding position of the blanking cavity 8, the inner wall of the extraction box 5 is provided with an extraction opening 3 communicated with the inner cavity of the feeding box 2, and the inner cavity of the extraction opening 3 is fixedly provided with a second filter screen.

The second filter screen can prevent materials from entering the inner cavity of the air extraction box 5 through the air extraction opening 3 and does not influence the air flow to enter the inner cavity of the air extraction box 5.

An exhaust port 6 communicated with the inner cavity of the blanking cavity 8 is formed in the inner wall of the dust removing box 11, and a third filter screen is transversely and fixedly arranged in the exhaust port 6.

The suction pump 14 is fixedly installed on two sides of the front face of the shell 1, an air inlet of the suction pump 14 is communicated with the inner cavity of the suction box 5, an air outlet of the suction pump 14 is communicated with the inner cavity of the dust removal box 11, and an opening and closing door is arranged on the front face of the dust removal box 11.

In this embodiment, start pump 14 for pump 14 is taken out other with the feeding case 2 inner chamber through extraction tank 5 and extraction opening 3, and the dust that produces when making the material surface dry gets into the inside of dust removal case 11 along with the air current, and then rethread extraction opening 3 and gas vent 6 are inside, make steam pass through the bottom in the inner chamber of input unloading chamber 8 after gas vent 6 removes dust, make steam pass through screening net 13 and upwards remove the auxiliary drying to the material, can also remove dust to the material when making the stoving, prevent that the dust from flying upward, influence near operational environment.

Further, a sealing door is arranged on the surface of the air inlet cylinder 9 and positioned at the position of the upper heating wire 12.

In the present embodiment, dust filtered through the ventilation hole 10 can be cleaned by the sealing door.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, when the materials are poured into the feeding box 2, the materials are agglomerated after being wetted, so when the materials reach the screening net 13, the screening net 13 can filter the materials, the air inlet fan and the upper heating wire 12 are started while filtering, so that the materials blown into the inner cavity of the feeding box 2 after air flow heating are dried and heated, the materials are dried, then the crushing shaft 4 rotates, the agglomerated materials are crushed, the dried and scattered materials fall into the inner cavity of the heating cylinder 7 through the screening net 13 for subsequent heating and conveying, after the materials enter the heating cylinder 7, the lower heating wire is started, the heating cylinder 7 can be heated, then the materials in the inner cavity of the heating cylinder 7 are heated, and meanwhile, the driving motor is started to drive the spiral rod to rotate, so that the materials are uniformly heated after stirring, and then the materials are used by a plastic spraying machine.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A plastic raw material heating device of a plastic spraying machine is characterized in that: comprises a shell (1) and a feeding box (2) fixedly connected with the shell (1);

a heating cylinder (7) is transversely and fixedly arranged in the inner cavity of the shell (1), a screw rod is arranged in the inner cavity of the heating cylinder (7), and a lower heating wire is wound on the surface of the heating cylinder (7);

a blanking cavity (8) communicated with the inner cavity of the heating cylinder (7) is formed in the bottom of the feeding box (2), an air inlet cylinder (9) is transversely and fixedly arranged on one side of the feeding box (2), an upper heating wire (12) is arranged in the air inlet cylinder (9), an air inlet fan is arranged at the left end of the inner cavity of the air inlet cylinder (9), an air vent (10) communicated with the feeding box (2) is formed in the right end of the inner cavity of the air inlet cylinder (9), and a first filter screen is vertically and fixedly arranged in the air vent (10);

the screening net (13) is transversely and fixedly arranged in the inner cavity of the feeding box (2), and the crushing shaft (4) is rotatably and transversely arranged at the top of the screening net (13) in the inner cavity of the feeding box (2).

2. A plastic raw material heating apparatus of a plastic spraying machine as claimed in claim 1, wherein: the front of the feeding box (2) is fixedly provided with an extraction box (5), and the front of the machine shell (1) is fixedly provided with a dust removal box (11) at the corresponding position of the blanking cavity (8).

3. A plastic raw material heating apparatus of a plastic spraying machine as claimed in claim 2, wherein: an extraction opening (3) communicated with the inner cavity of the feeding box (2) is formed in the inner wall of the extraction box (5), and a second filter screen is fixedly arranged in the inner cavity of the extraction opening (3).

4. A plastic raw material heating apparatus of a plastic spraying machine as claimed in claim 2, wherein: an exhaust port (6) communicated with the inner cavity of the blanking cavity (8) is formed in the inner wall of the dust removal box (11), and a third filter screen is transversely and fixedly arranged in the exhaust port (6).

5. A plastic raw material heating apparatus of a plastic spraying machine as claimed in claim 4, wherein: the suction pump (14) is fixedly arranged on two sides of the front face of the shell (1), and an air inlet of the suction pump (14) is communicated with an inner cavity of the suction box (5).

6. A plastic raw material heating apparatus of a plastic spraying machine as claimed in claim 5, wherein: the air outlet of the pump (14) is communicated with the inner cavity of the dust removal box (11), and the front surface of the dust removal box (11) is provided with a switch door.

7. A plastic raw material heating apparatus of a plastic spraying machine as claimed in claim 1, wherein: the surface of the air inlet cylinder (9) and the position of the upper heating wire (12) are provided with sealing doors.