CN108126841B

CN108126841B - Plastic spraying device

Info

Publication number: CN108126841B
Application number: CN201711362833.2A
Authority: CN
Inventors: 卢加权
Original assignee: Chongqing Houquan Technology Development Co ltd
Current assignee: Chongqing Houquan Technology Development Co ltd
Priority date: 2017-12-18
Filing date: 2017-12-18
Publication date: 2020-05-05
Anticipated expiration: 2037-12-18
Also published as: CN108126841A

Abstract

The invention relates to a plastic spraying device, which comprises a heating chamber and a heating base; the middle part of the heating chamber is provided with a plastic inlet pipe, the upper part of the heating chamber is fixedly connected with a spray gun, the spray gun is rotatably connected with a spray head, the spray head is provided with spray holes, a plastic spraying pipe is arranged in the spray gun and is communicated with the plastic inlet pipe, the communication part of the plastic spraying pipe and the plastic inlet pipe is movably connected with a first baffle plate, one end of the plastic spraying pipe, far away from the plastic inlet pipe, is connected with the spray head, the plastic spraying pipe is connected with a first sliding pipe, a sliding block is connected in the first sliding pipe, and the other end of the sliding; still be connected with the plastic powder pipe on the heating chamber, the one end that the heating chamber was kept away from to the plastic powder pipe is connected with the plastic powder case, moulds the incasement and is equipped with a plurality of transparent plastic powder bottles, and the upper portion of plastic powder bottle all is equipped with first opening, and the upper portion of moulding the powder case is equipped with the second spout, is equipped with the second opening in the second spout, and the one end sliding connection of plastic powder pipe is in the second spout. The device solves the problem of uneven spraying caused by untimely spraying of molding powder.

Description

Plastic spraying device

Technical Field

The invention relates to the field of spraying equipment, in particular to a plastic spraying device.

Background

The plastic spraying refers to a treatment process of industrial metal surfaces, plastic powder is powder coating, and the plastic powder is novel 100% solid powder coating without solvent. The paint has two main types: thermoplastic powder coatings and thermosetting powder coatings. The paint is prepared by mixing special resin, pigment and filler, curing agent and other assistants in certain proportion, and through hot extrusion, crushing, sieving and other technological steps. They are stable in storage at normal temp., and can be passed through electrostatic spraying or fluidized-bed dip-coating, heating, baking, melting and solidifying so as to form flat and bright permanent coating film, and can attain the goal of decoration and corrosion-resistance.

The traditional plastic spraying equipment can only spray one plastic powder singly, the application range is small, and the plastic powder is not sprayed in time after being melted and is easy to condense, so that the problems of uneven spraying and uneven spraying surface after being sprayed are caused.

Disclosure of Invention

The invention aims to provide a plastic spraying device to solve the problems that the traditional plastic spraying equipment can only spray one plastic powder, the application range is small, and the plastic powder is not sprayed in time to cause uneven spraying.

In order to achieve the purpose, the basic technical scheme of the invention is as follows: a plastic spraying device comprises a heating mechanism, wherein the heating mechanism comprises a heating chamber, a heating pad is arranged at the bottom of the heating chamber, a heating base is connected to the lower part of the heating pad, and a heating switch and a temperature control button for controlling the heating pad are arranged on the heating base; the middle part of the heating chamber is provided with a plastic inlet pipe which penetrates through the heating chamber, the bottom of the plastic inlet pipe is provided with a plastic inlet, the upper part of the heating chamber is fixedly connected with a plastic spraying mechanism, the plastic spraying mechanism comprises a spray gun, the spray gun is fixedly connected above the heating chamber, one end of the spray gun, far away from the heating chamber, is rotatably connected with a spray head, the interior of the spray head is hollow, a movable third baffle plate is arranged at the joint of the spray head and the spray gun, a plurality of spray holes are uniformly formed in the spray head, the spray pipe is arranged in the spray gun, the plastic inlet pipe is communicated with the spray head through the plastic spraying pipe, a first baffle plate is movably connected to the part, connected with the plastic inlet pipe, of the plastic spraying pipe, a first sliding pipe is further connected onto the plastic spraying pipe, a spring is connected into the first sliding pipe; still be connected with the moulding powder pipe on the heating chamber, the moulding powder union coupling has the powder pump, the junction swing joint of moulding powder pipe and heating chamber has the second baffle, the one end that the heating chamber was kept away from to the moulding powder pipe is connected with moulds the powder case, mould the incasement and be equipped with a plurality of transparent moulding powder bottles, the upper portion of moulding the powder bottle all is equipped with first opening, the upper portion of moulding the powder case is equipped with the second spout, be equipped with in the second spout with first opening just right second opening, mould powder pipe sliding connection in the second spout.

When the plastic spraying device adopting the technical scheme is adopted, the heating chamber is heated by the heating cushion and the heating base, the plastic powder is blown into the heating chamber along the plastic powder pipe under the action of the powder pump, at the moment, the second baffle plate is blown open under the action of blowing force, and the plastic powder is heated and melted after entering the heating chamber; the handle is rotated to drive the pull rod to move to and fro, the pull rod moves to drive the slide block fixedly connected with the pull rod to move to and fro in the first slide pipe to slide, the slide block slides to and fro to change the pressure in the spray gun, when the slide block slides to the outer side of the spray gun along the first slide pipe, the volume in the spray gun is increased, the pressure is reduced, the slide block generates suction in the sliding process to the outer side of the spray gun, at the moment, the first baffle is opened under the action of the suction force to communicate the plastic inlet pipe with the plastic powder pipe, and the plastic powder enters the plastic spray pipe along the plastic inlet pipe; when the sliding block slides towards the inner side of the spray gun along the first sliding pipe, the volume in the spray gun is reduced, the pressure is increased, and spraying force is generated; mould the powder under the effect of powder pump, flow to the second opening by first opening in the follow plastic powder bottle, flow into the plastic powder pipe by the second opening again, flow into the heating chamber by moulding the powder pipe again in, because the one end sliding connection of plastic powder pipe is in the second spout, the plastic powder pipe can slide in the spout, be equipped with in the spout with first opening just right second opening, when moulding the powder pipe and sliding, can align with the first opening of different plastic powder bottles, absorb the plastic powder in the plastic powder bottle.

The beneficial effects of this technical scheme lie in:

1. the one end sliding connection of the plastic powder pipe of this device can make the plastic powder pipe align with the first opening of moulding the different plastic powder bottles of powder incasement through the slip of plastic powder pipe in the second spout, can absorb different plastic powder according to actual need, compares in an equipment among the prior art can only absorb one kind and mould the powder, and the practicality of this device is wider.

2. This device advances to mould pipe, spraying plastics pipe and shower nozzle intercommunication through the control of mutually supporting of first baffle, second baffle and third baffle, accomplishes the process of advancing moulding powder and spraying plastics powder, convenient operation.

Preferably, as an improvement, the plastic-blasting pipe is connected with a high-pressure pump, the bottom fixed connection of high-pressure pump is on the outer wall of first slide pipe, is equipped with pressure switch on the high-pressure pump, is equipped with first magnet on the slider, and the outer wall of first slide pipe is equipped with the second magnet. When the slider slided, second magnet can slide along the outer wall of first slide pipe along with first magnet, and when second magnet touched the pressure switch of high-pressure pump, the high-pressure pump work, and the high-pressure pump has increased the pressure when moulding the powder and flowing, and supplementary slider is with the intraductal moulding powder blowout of spouting of moulding plastics for the blowout speed of moulding the powder, avoided the untimely uneven problem of spraying that causes because of spouting behind the melting of moulding the powder.

Preferably, as an improvement, the equal fixedly connected with expansion plate in both sides of plastic powder pipe, the one end difference fixed connection at the both ends of second spout that plastic powder pipe was kept away from to two expansion plates. The expansion plate stretches along with the sliding of the plastic powder pipe, and when the plastic powder pipe is aligned with one of the second openings, the expansion plate can block the rest second openings, so that the second openings are prevented from falling into impurities to influence the use.

Preferably, as an improvement, a visible window is arranged on the plastic powder box corresponding to the plastic powder bottle, and scale marks are arranged on the visible window. The staff accessible visual window monitors the moulding powder surplus in moulding the powder case, can carry out accurate the accuse to moulding the powder surplus through the scale mark, convenient operation.

Preferably, as a modification, the heating chamber is externally provided with an insulating layer. The heat preservation layer can preserve heat of the heating chamber, and plastic powder melted in the heating chamber is prevented from being hardened again.

Preferably, as an improvement, the end of the pull rod far away from the slide block is connected with a cylinder. The cylinder can drive the pull rod to automatically reciprocate, the handle is replaced by the cylinder, manual operation is not needed, and operation is convenient.

Preferably, as an improvement, the handle is provided with a heat insulation sleeve. The heat insulation sleeve can prevent the handle from being overheated to scald operators, and the operation safety is guaranteed.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: heating chamber 1, heating pad 2, heating base 3, heating switch 4, temperature control button 5, advance to mould pipe 6, advance to mould mouthful 7, spray gun 8, shower nozzle 9, spraying plastics pipe 10, first baffle 11, first slide pipe 12, spring 13, slider 14, pull rod 15, handle 16, mould powder pipe 17, second baffle 18, mould powder case 19, first opening 20, second spout 22, high-pressure pump 23, pressure switch 24, first magnet 25, second magnet 26, expansion plate 27, visual window 28, heat preservation 29, third baffle 30.

As shown in fig. 1: a plastic spraying device comprises a heating mechanism, wherein the heating mechanism comprises a heating chamber 1, a heat insulation layer 29 is arranged at the upper part of the heating chamber 1, a heating pad 2 is arranged at the bottom of the heating chamber 1, the lower part of the heating pad 2 is connected with a heating base 3, and a heating switch 4 and a temperature control button 5 which are used for controlling the heating pad 2 are arranged on the heating base 3; a plastic inlet pipe 6 penetrating through the heating chamber 1 is arranged in the middle of the heating chamber 1, a plastic inlet opening 7 is arranged at the bottom of the plastic inlet pipe 6, a plastic spraying mechanism is fixedly connected to the upper portion of the heating chamber 1 and comprises a spray gun 8, the spray gun 8 is fixedly connected to the upper portion of the heating chamber 1, a spray head 9 is rotatably connected to one end, away from the heating chamber 1, of the spray gun 8, the spray head 9 is hollow, a third baffle plate 30 is rotatably connected to the joint of the spray head 9 and the spray gun 8, a plurality of spray holes are uniformly formed in the spray head 9, a plastic spraying pipe 10 is arranged in the spray gun 8, the plastic inlet pipe 6 is communicated with the spray head 9 through the plastic spraying pipe 10, a first baffle plate 11 is rotatably connected between the plastic spraying pipe 10 and the plastic inlet pipe 6, a first cylindrical sliding pipe 12 is further connected to the plastic spraying pipe 10, a spring 13 is connected to the first sliding pipe 12, a sliding block 14 is connected to one end, away, the spray gun 8 is rotatably connected with a handle 16, a heat insulation sleeve is arranged on the handle 16, one end, far away from the sliding block 14, of the pull rod 15 is connected to the handle 16, the spray pipe 10 is further connected with a high-pressure pump 23, the bottom of the high-pressure pump 23 is fixedly connected to the outer wall of the first sliding pipe 12, a pressure switch 24 is arranged on the high-pressure pump 23, a first magnet 25 is arranged on the sliding block 14, and a second magnet 26 is arranged on the outer wall of the first sliding pipe 12; the heating chamber 1 is also connected with a plastic powder pipe 17, the plastic powder pipe 17 is connected with a powder pump, the joint of the heating chamber 1 and the plastic powder pipe 17 is rotatably connected with a second baffle 18, one end of the plastic powder pipe 17 far away from the heating chamber 1 is connected with a plastic powder box 19, a plurality of transparent plastic powder bottles are arranged in the plastic powder box 19, a visible window 28 is arranged on the position of the plastic powder box 19 corresponding to the plastic powder bottles, scale marks are arranged on the visible window 28, the upper parts of the plastic powder bottles are respectively provided with a first opening 20, the upper parts of the plastic powder box 19 are respectively provided with a second sliding chute 22, a second opening which is the same as the first opening 20 in size and corresponds to the first opening in position is arranged in the second sliding chute 22, one end of the plastic powder pipe 17 is slidably connected in the second sliding chute 22, the calibers of the first opening 20 and the second opening are the same as the calibers of the plastic powder pipe 17, both sides of the plastic powder pipe 17 are, one ends of the two expansion plates 27 far away from the plastic powder pipe 17 are fixedly connected to two end parts of the second chute 22 respectively.

In this embodiment, in practical application, firstly, the molding powder pipe 17 in the second chute 22 is slid to align the nozzle of the molding powder pipe 17 with the first opening 20 of the desired molding powder bottle, the powder pump is started, the molding powder is blown into the heating chamber 1 by the powder pump, the second baffle 18 is rotated and opened by the blowing force, so that the molding powder pipe 17 is communicated with the heating chamber 1, and the molding powder in the molding powder bottle enters the heating chamber 1 along the molding powder pipe 17 by the powder pump. When the plastic powder pipe 17 slides, the retractable plates 27 on the left side and the right side of the plastic powder pipe 17 can be retracted along with the sliding of the plastic powder pipe 17, when the plastic powder pipe 17 slides leftwards, the retractable plate 27 on the left side of the plastic powder pipe 17 retracts, the retractable plate 27 on the right side extends, when the plastic powder pipe 17 slides rightwards, the retractable plate 27 on the right side of the plastic powder pipe 17 retracts, the retractable plate 27 on the left side extends, the retractable plate 27 can block the first opening 20 which is not aligned with the plastic powder pipe 17 in the moving process of the plastic powder pipe 17, and the first opening 20 is prevented from falling into open impurities.

After plastic powder enters the heating chamber 1 through the plastic powder pipe 17, the heating switch 4 on the heating base 3 is turned on, the temperature control button 5 is adjusted to a preset temperature, the heating base 3 heats the heating chamber 1, the plastic powder is heated and melted in the heating chamber 1, at the moment, the handle 16 is rotated in a reciprocating manner, the handle 16 drives the pull rod 15 to do reciprocating motion, and then the sliding block 14 is driven to do reciprocating motion in the first sliding pipe 12. When the sliding block 14 slides rightwards, the volume in the spray gun 8 is increased, the pressure intensity is reduced, suction force is generated, the first baffle plate 11 is opened upwards under the action of the suction force, the plastic inlet pipe 6 is communicated with the plastic powder pipe 17, and molten plastic powder flows into the plastic inlet pipe 6 through the plastic inlet opening 7 at the bottom of the plastic inlet pipe 6; when the slide block 14 slides leftwards, the volume in the spray gun 8 is relatively reduced, the pressure is increased, thrust is generated, and the first baffle 11 is closed and blocks the communication part between the plastic inlet pipe 6 and the plastic spraying pipe 10 under the action of the thrust, so that the melted plastic powder cannot flow back into the heating chamber 1.

Meanwhile, the slide block 14 slides leftwards, because the slide block 14 is provided with the first magnet 25, the outer wall of the first slide pipe 12 is correspondingly provided with the second magnet 26, the second magnet 26 slides leftwards under the action of magnetic force to abut against the pressure switch 24, the pressure switch 24 is started to drive the high-pressure pump 23 to work, the plastic powder in the plastic spraying pipe 10 is sprayed out under the action of the high-pressure pump 23 to generate spraying force, at the moment, the third baffle 30 is opened under the action of the spraying force, the plastic powder enters the spray head 9, and the spray head 9 rotates under the action of the spraying force, so that when the plastic powder is sprayed out from the spray holes, the plastic powder is sprayed outwards under the action of centrifugal force generated by rotation, the spraying range is enlarged, in addition, the plastic powder is quickly sprayed under the action of the high-pressure pump 23, and the problem of uneven spraying caused by untimely spraying after the.

The heating chamber 1 of the device is provided with the heat preservation layer 29, so that heat preservation can be carried out on the plastic powder melted in the heating chamber 1, and the plastic powder is prevented from being hardened again. In addition, be equipped with visual window 28 on moulding the powder case 19, the staff accessible is moulding the powder surplus in the powder case 19 of visual window 28 monitoring, can carry out accurate the accuse to moulding the powder surplus through the scale mark, convenient operation.

The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A kind of plastic-spraying device, characterized by: the heating device comprises a heating mechanism, wherein the heating mechanism comprises a heating chamber, a heating pad is arranged at the bottom of the heating chamber, a heating base is connected to the lower part of the heating pad, and a heating switch and a temperature control button for controlling the heating pad are arranged on the heating base; the middle part of the heating chamber is provided with a plastic inlet pipe which penetrates through the heating chamber, the bottom of the plastic inlet pipe is provided with a plastic inlet, the upper part of the heating chamber is fixedly connected with a plastic spraying mechanism, the plastic spraying mechanism comprises a spray gun, the spray gun is fixedly connected above the heating chamber, one end of the spray gun, which is far away from the heating chamber, is rotatably connected with a spray head, the interior of the spray head is hollow, a movable third baffle is arranged at the joint of the spray head and the spray gun, a plurality of spray holes are uniformly arranged on the spray head, the spray pipe is arranged in the spray gun, the third baffle can only be opened by rotating towards the outside of the plastic spraying pipe, the plastic inlet pipe is communicated with the spray head by the plastic spraying pipe, the part of the plastic spraying pipe, which is connected with the plastic inlet pipe, is movably connected with a first baffle, the first baffle can only be opened by rotating towards the direction far away from the plastic spraying pipe, the plastic spraying, one end of the pull rod, which is far away from the slide block, is connected to the handle; first baffle rotates to be connected on the lateral wall of the one side of keeping away from first slide pipe, still be connected with the plastic powder pipe on the heating chamber, mould the powder union coupling and have the powder pump, mould the department swing joint of powder pipe and heating chamber has the second baffle, and the second baffle can only be opened to the heating chamber internal rotation, and the one end of keeping away from the heating chamber of plastic powder pipe is connected with moulds the powder case, mould the incasement and be equipped with a plurality of transparent plastic powder bottles, the upper portion of moulding the powder bottle all is equipped with first opening, moulds the upper portion of powder case and is equipped with the second spout, be equipped with in the second spout with first opening just right second opening, mould powder pipe sliding connection in the second spout.

2. The plastic injection apparatus of claim 1, wherein: the injection molding pipe is connected with a high-pressure pump, the high-pressure pump is fixedly connected to the outer wall of the first sliding pipe, a pressure switch is arranged on the high-pressure pump, a first magnet is arranged on the sliding block, a second magnet is arranged on the outer wall of the first sliding pipe, and when the sliding block slides, the second magnet can slide along the outer wall of the first sliding pipe along with the first magnet to turn on the pressure switch of the high-pressure pump.

3. The plastic injection apparatus of claim 2, wherein: the left side and the right side of the bottom end of the plastic powder pipe are fixedly connected with expansion plates, and one ends, far away from the plastic powder pipe, of the two expansion plates are fixedly connected to two end portions of the second sliding groove respectively.

4. The plastic injection apparatus of claim 3, wherein: the plastic powder box is provided with a visual window, and the visual window is provided with scale marks.

5. The plastic injection apparatus of claim 4, wherein: and a heat insulation layer is arranged outside the heating chamber.

6. The plastic injection apparatus of claim 5, wherein: the handle is provided with a heat insulation sleeve.