阅读说明：本技术 一种塑料颗粒表面均匀滚漆干燥一体设备 (Plastic granules surface evenly rolls dry integrative equipment of lacquer ) 是由 刘运保 于 2020-12-21 设计创作，主要内容包括：本发明涉及一种涂漆设备,具体是一种塑料颗粒表面均匀滚漆干燥一体设备,安装架之间固定有用于盛放塑料颗粒的料桶,料桶的底部固定并连通有呈倒“T”字型的三通切向管；三通切向管的下方一侧设置有用于对塑料颗粒滚漆的锥筒,其下方的另一侧设置有用于将料桶内的塑料颗粒间断沿锥筒上缘的切向送入到锥筒内的弹性推送组件,锥筒的上方安装有用于向锥筒内喷雾化漆液的泵漆组件；弹性推送组件往复弹性运动将塑料颗粒间断沿锥筒的上缘切向送入到锥筒内,塑料颗粒沿着锥筒的内壁作螺旋滚动；同时动力结构带动泵漆组件不断向锥筒内泵送雾化的漆液,漆液粘附在锥筒的内壁上,在塑料颗粒沿着锥筒的内壁作螺旋滚动时其表面均匀滚涂漆液。(The invention relates to painting equipment, in particular to plastic particle surface uniform paint rolling and drying integrated equipment, wherein charging barrels for containing plastic particles are fixed between mounting frames, and the bottoms of the charging barrels are fixedly communicated with T-shaped three-way tangential pipes; a cone cylinder for rolling paint on plastic particles is arranged on one side below the three-way tangential pipe, an elastic pushing assembly for intermittently feeding the plastic particles in the charging bucket into the cone cylinder along the tangential direction of the upper edge of the cone cylinder is arranged on the other side below the three-way tangential pipe, and a paint pumping assembly for spraying paint liquid into the cone cylinder is arranged above the cone cylinder; the elastic pushing component elastically reciprocates to intermittently send plastic particles into the conical cylinder along the upper edge of the conical cylinder in a tangential direction, and the plastic particles spirally roll along the inner wall of the conical cylinder; meanwhile, the power structure drives the paint pumping assembly to continuously pump atomized paint liquid into the conical cylinder, the paint liquid is adhered to the inner wall of the conical cylinder, and the paint liquid is uniformly coated on the surface of the plastic particles when the plastic particles spirally roll along the inner wall of the conical cylinder.)

1. The plastic particle surface uniform paint rolling and drying integrated equipment comprises an equipment support (1) and is characterized in that two mounting frames (2) are vertically mounted on two sides of the equipment support (1), a charging basket (3) for containing plastic particles is fixed between the two mounting frames (2), and a T-shaped three-way tangential pipe (4) is fixed and communicated with the bottom of the charging basket (3);

a cone cylinder (5) for rolling paint on plastic particles is arranged on one side below the three-way tangential pipe (4), an elastic pushing assembly for intermittently feeding the plastic particles in the charging bucket (3) into the cone cylinder (5) along the tangential direction of the upper edge of the cone cylinder (5) is arranged on the other side below the three-way tangential pipe, and a paint pumping assembly for spraying paint liquid into the cone cylinder (5) is arranged above the cone cylinder (5);

the bottom of a cone (5) is provided with supplies to roll the exhaust pipe (16) to one side of plastic granules behind the lacquer, one side of pipe (16) to one side be provided with track (17) that mounting bracket (2) are fixed and the level set up hot air drying subassembly is installed to the below of track (17), hot air drying subassembly, elasticity propelling movement subassembly and pump lacquer subassembly all connect install in two power structure between mounting bracket (2).

2. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 1, wherein the power structure comprises a power device (6) horizontally mounted on the mounting frame (2) on one side of the power structure and a worm (7) connected with the output end of the power device (6) and rotatably arranged on the equipment support (1), and the worm (7) is respectively connected with the hot air drying assembly, the elastic pushing assembly and the paint pumping assembly;

wherein the worm (7) is connected with the elastic pushing assembly through a broken tooth structure.

3. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 2, wherein the elastic pushing assembly comprises a pushing rod (12) which is coaxially and slidably inserted with the three-way tangential pipe (4), a sleeve seat (13) which is horizontally fixed on the mounting frame (2) at one side, and an elastic piece (14) which is used for elastically connecting the sleeve seat (13) and the pushing rod (12);

the elastic piece (14) is in a natural state, the pushing rod (12) is inserted into the three-way tangential pipe (4) and blocks the bottom of the charging basket (3), and the pushing rod (12) is close to the sleeve seat (13) when the elastic piece (14) is in a pressed state, so that the bottom of the charging basket (3) is communicated with the conical barrel (5) through the three-way tangential pipe (4).

4. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 3, wherein the broken tooth structure comprises a straight rack (11) fixed on the push rod (12), a residual gear (10) rotatably installed on the mounting rack (2) on one side, and a worm wheel (8) meshed with the worm (7);

the worm wheel (8) is connected with the residual gear (10) through a transmission piece (9), and the worm wheel (8) is rotatably arranged on the mounting rack (2) on one side; the residual gear (10) has smooth toothed part which is matched with the teeth on the spur rack (11).

5. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 2, wherein the paint pumping assembly comprises a pump barrel (21) mounted on the mounting frame (2) on one side, a sealing member (22) arranged in the pump barrel (21) in a sealing and sliding manner, a paint box (18) mounted on the equipment support (1) and communicated with the pump barrel (21), and a pushing structure for connecting the worm (7) and the sealing member (22);

the top of a awl section of thick bamboo (5) is provided with atomizer (24), atomizer (24) through the pipe with pump barrel (21) intercommunication, pump barrel (21) with through another pipe intercommunication between lacquer case (18), two pipes with check valve (23) are all installed to the junction of pump barrel (21).

6. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 5, wherein the pushing structure comprises a turntable (19) fixed at the end of the worm (7) and a connecting rod (20) for connecting the turntable (19) with the sealing member (22); one end of the connecting rod (20) is rotationally connected with the edge of the rotating disc (19), and the other end of the connecting rod is rotationally connected with the sealing element (22);

the bottom of the cone cylinder (5) is communicated with a filter element (15), and the filter element (15) is communicated with the paint box (18) through a through pipe.

7. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 2, wherein the hot air drying component comprises a hot air box arranged below the equipment bracket (1), a heater (28) is arranged in the hot air box, and an impeller (27) connected with the worm (7) through a bevel gear set is rotatably arranged at the upper part of the hot air box;

an air inlet pipe for ambient air to enter the hot air box is arranged on one side of the hot air box, and a plurality of wind tunnels for hot air in the hot air box to flow out are uniformly formed in one surface of the equipment support (1) opposite to the impeller (27).

8. The plastic particle surface uniform paint rolling and drying integrated equipment as claimed in claim 7, wherein the impeller (27) is installed in the hot air chamber through a vertical rotating shaft, the rotating shaft penetrates through the upper wall of the hot air chamber and the equipment bracket (1), and the bevel gear set comprises a first bevel gear (25) fixed on the worm (7) and a second bevel gear (26) fixed on the rotating shaft and meshed with the first bevel gear (25).

Technical Field

The invention relates to painting equipment, in particular to plastic particle surface uniform paint rolling and drying integrated equipment.

Background

The plastic particles are a reproducible product and are widely used in daily life, such as manufacturing various plastic bags, barrels, basins, toys, furniture, stationery and other articles of daily life and various plastic products.

All over the world, everywhere there are people, waste plastics are inevitably produced, and plastic particles are processed by taking waste plastic products as raw materials, so that the market is wide; after the plastic particles are produced, a layer of protective paint is often required to be coated on the surfaces of the plastic particles to prevent the plastic particles from being corroded or generating cracks or being scratched after being stored for a long time.

The existing paint spraying equipment cannot achieve the effect of uniform paint coating on granular plastic particles, so that the plastic is not fully protected, and therefore, the plastic particle surface treatment equipment capable of uniformly coating the paint needs to be developed.

Disclosure of Invention

The invention aims to provide plastic particle surface uniform paint rolling and drying integrated equipment to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the plastic particle surface uniform paint rolling and drying integrated equipment comprises an equipment support, wherein two mounting frames are vertically mounted on two sides of the equipment support respectively, a charging basket for containing plastic particles is fixed between the two mounting frames, and a T-shaped three-way tangential pipe is fixed and communicated with the bottom of the charging basket;

a cone cylinder for rolling paint on plastic particles is arranged on one side below the three-way tangential pipe, an elastic pushing assembly for intermittently feeding the plastic particles in the charging bucket into the cone cylinder along the tangential direction of the upper edge of the cone cylinder is arranged on the other side below the three-way tangential pipe, and a paint pumping assembly for spraying paint liquid into the cone cylinder is arranged above the cone cylinder;

the bottom of a awl section of thick bamboo is provided with the plastic granules exhaust pipe to one side after supplying to roll lacquer, one side of pipe to one side be provided with the track that the mounting bracket is fixed and the level set up hot air drying subassembly is installed to orbital below, hot air drying subassembly, elasticity propelling movement subassembly and pump lacquer subassembly are all connected and are installed in two power structure between the mounting bracket.

As a further scheme of the invention: the power structure comprises a power device horizontally arranged on the mounting rack on one side of the power device and a worm which is connected with the output end of the power device and is rotationally arranged on the equipment support, and the worm is respectively connected with the hot air drying assembly, the elastic pushing assembly and the paint pumping assembly;

the worm is connected with the elastic pushing assembly through a broken tooth structure.

As a still further scheme of the invention: the elastic pushing assembly comprises a pushing rod coaxially and slidably inserted with the three-way tangential pipe, a sleeve seat horizontally fixed on the mounting frame on one side, and an elastic part used for elastically connecting the sleeve seat with the pushing rod;

the elastic piece is in the natural state and the push rod is inserted into the three-way tangential pipe and blocks the bottom of the charging basket, and the push rod is close to the sleeve seat and enables the bottom of the charging basket and the cone barrel to be communicated through the three-way tangential pipe when the elastic piece is in the pressed state.

As a still further scheme of the invention: the broken tooth structure comprises a spur rack fixed on the push rod, a residual gear rotatably arranged on the mounting rack on one side, and a worm wheel meshed with the worm;

the worm wheel is connected with the residual gear through a transmission piece, and the worm wheel is rotatably arranged on the mounting rack on one side; the residual gear part has smooth tooth part, and the tooth part is matched with the teeth on the spur rack.

As a still further scheme of the invention: the pump paint assembly comprises a pump barrel arranged on the mounting frame on one side, a sealing element arranged in the pump barrel in a sealing and sliding mode, a paint box arranged on the equipment support and communicated with the pump barrel, and a pushing structure used for connecting the worm and the sealing element;

the top of a awl section of thick bamboo is provided with atomizer, atomizer pass through the pipe with pump barrel intercommunication, the pump barrel with through another pipe intercommunication between the lacquer case, two pipes with the check valve is all installed to the junction of pump barrel.

As a still further scheme of the invention: the pushing structure comprises a rotary disc fixed at the end head of the worm and a connecting rod used for connecting the rotary disc with the sealing element; one end of the connecting rod is rotatably connected with the edge of the rotary disc, and the other end of the connecting rod is rotatably connected with the sealing element;

the bottom of awl section of thick bamboo communicates there is the filter core, the filter core passes through the siphunculus intercommunication the lacquer case.

As a still further scheme of the invention: the hot air drying assembly comprises a hot air box arranged below the equipment support, a heater is arranged in the hot air box, and an impeller connected with the worm through a bevel gear set is rotatably arranged at the upper part of the hot air box;

an air inlet pipe for ambient air to enter the hot air box is arranged on one side of the hot air box, and a wind tunnel for hot air in the multiple hot air boxes to flow out is uniformly formed in one surface of the equipment support, which is opposite to the impeller.

As a still further scheme of the invention: the impeller is installed in the hot air box through a vertical rotating shaft, the rotating shaft penetrates through the upper wall of the hot air box and the equipment support, and the bevel gear set comprises a first bevel gear fixed on the worm and a second bevel gear fixed on the rotating shaft and meshed with the first bevel gear.

Compared with the prior art, the invention has the beneficial effects that: the elastic pushing assembly is driven to do reciprocating elastic motion through the work of the power structure, plastic particles contained in the charging bucket are intermittently and tangentially fed into the conical cylinder along the upper edge of the conical cylinder, and the plastic particles which are elastically fed into the conical cylinder spirally roll along the inner wall of the conical cylinder; meanwhile, the power structure drives the paint pumping assembly to continuously pump atomized paint liquid into the conical cylinder, the paint liquid is adhered to the inner wall of the conical cylinder, and the paint liquid is uniformly coated on the surface of the plastic particles when the plastic particles spirally roll along the inner wall of the conical cylinder, so that the function of uniform paint rolling is achieved;

when plastic granules roll to the bottom of a awl section of thick bamboo, discharge through oblique pipe, finally roll out from the track, at the in-process that rolls out from the track, utilize power structure to drive hot air drying subassembly work, carry out rapid draing to plastic granules through the track, finally realize that plastic granules evenly rolls lacquer and dry integrative effect.

Drawings

Fig. 1 is a schematic structural diagram of a plastic particle surface uniform paint rolling and drying integrated device.

FIG. 2 is a schematic structural diagram of a three-way tangential pipe and a cone in the plastic particle surface uniform paint rolling and drying integrated equipment.

Fig. 3 is a schematic structural diagram of a rail and an air hole in the plastic particle surface uniform paint rolling and drying integrated equipment.

Fig. 4 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1-equipment support; 2-a mounting rack; 3-a charging basket; 4-a three-way tangential tube; 5-a cone; 6-a power plant; 7-a worm; 8-a worm gear; 9-a transmission member; 10-a residual gear; 11-straight rack; 12-a push rod; 13-a sleeve seat; 14-an elastic member; 15-a filter element; 16-a beveled conduit; 17-a track; 18-paint box; 19-a turntable; 20-a connecting rod; 21-a pump cylinder; 22-a seal; 23-a check valve; 24-an atomizer; 25-a first bevel gear; 26-a second bevel gear; 27-an impeller; 28-a heater; 29-wind hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-4, in the embodiment of the invention, an integrated device for uniformly rolling paint and drying on the surface of plastic particles comprises a device support 1, two mounting frames 2 are vertically mounted on two sides of the device support 1 respectively, a charging basket 3 for containing plastic particles is fixed between the two mounting frames 2, and a T-shaped three-way tangential pipe 4 is fixed and communicated at the bottom of the charging basket 3; in detail, a cone 5 for rolling paint on plastic particles is arranged on one side below the three-way tangential pipe 4, an elastic pushing assembly for intermittently feeding the plastic particles in the charging bucket 3 into the cone 5 along the tangential direction of the upper edge of the cone 5 is arranged on the other side below the three-way tangential pipe, and a paint pumping assembly for spraying paint liquid into the cone 5 is arranged above the cone 5; specifically, the bottom of a awl section of thick bamboo 5 is provided with the plastic granules exhaust pipe 16 to one side after supplying to roll lacquer, pipe 16 to one side be provided with the track 17 that mounting bracket 2 is fixed and the level set up the hot air drying subassembly is installed to the below of track 17, hot air drying subassembly, elasticity propelling movement subassembly and pump lacquer subassembly all connect install in two power structure between the mounting bracket 2.

In the embodiment of the invention, the elastic pushing assembly is driven to elastically reciprocate by the work of the power structure, the plastic particles contained in the charging barrel 3 are intermittently and tangentially fed into the conical barrel 5 along the upper edge of the conical barrel 5, and the plastic particles elastically fed into the conical barrel 5 spirally roll along the inner wall of the conical barrel 5; meanwhile, the power structure drives the paint pumping assembly to continuously pump atomized paint liquid into the conical cylinder 5, the paint liquid is adhered to the inner wall of the conical cylinder 5, and the paint liquid is uniformly coated on the surface of the plastic particles when the plastic particles spirally roll along the inner wall of the conical cylinder 5, so that the uniform paint rolling function is achieved;

when plastic granules roll to the bottom of a cone 5, discharge through oblique pipe 16, finally roll out from track 17, at the in-process that rolls out from track 17, utilize power structure to drive hot air drying component work, carry out rapid draing to the plastic granules through track 17, finally realize that plastic granules evenly rolls lacquer and dry integrative effect.

In order to prevent the plastic particles from being separated from the rail 17, in the embodiment of the present invention, the rail 17 is provided with an arc groove for guiding the plastic particles, and the arc groove is disposed along the length direction of the rail 17, so that the plastic particles roll along the length direction of the rail 17 when being discharged from the chute 16.

In the embodiment of the invention, a plurality of air holes 29 are uniformly formed in the arc groove on the track 17, so that hot air can directly contact with the plastic particles subjected to paint rolling through the arrangement of the air holes, the heat exchange efficiency is improved, in addition, due to the air flow, the evaporation of water in paint liquid on the surfaces of the plastic particles subjected to paint rolling is facilitated, and the drying efficiency is further improved.

In the embodiment of the invention, one end of the three-way tangential pipe 4 close to the cone 5 is inserted into the cone 5 tangentially along the upper edge of the cone 5.

As an embodiment of the invention, the power structure comprises a power device 6 horizontally mounted on the mounting frame 2 on one side of the mounting frame and a worm 7 connected with an output end of the power device 6 and rotatably arranged on the equipment bracket 1, wherein the worm 7 is respectively connected with the hot air drying assembly, the elastic pushing assembly and the paint pumping assembly;

wherein, the worm 7 is connected with the elastic pushing assembly through a broken tooth structure.

In the embodiment of the invention, when the power device 6 works, the worm 7 is driven to rotate, the rotating worm 7 drives the broken tooth structure to act, and then the elastic pushing assembly is driven to reciprocate to send the plastic particles in the charging basket 3 into the conical barrel 5 along the upper edge of the conical barrel 5 in a tangential direction.

In the present embodiment, the power device 6 includes, but is not limited to, an electric motor, a motor, an internal combustion engine, and other conventional power equipment.

As an embodiment of the present invention, the elastic pushing assembly includes a pushing rod 12 coaxially slidably inserted into the three-way tangential pipe 4, a sleeve seat 13 horizontally fixed on the mounting frame 2 on one side, and an elastic member 14 for elastically connecting the sleeve seat 13 and the pushing rod 12;

it should be noted that, the elastic component 14 is in a natural state, the pushing rod 12 is inserted into the three-way tangential pipe 4 and blocks the bottom of the charging basket 3, and the pushing rod 12 is close to the sleeve seat 13 and enables the bottom of the charging basket 3 and the conical barrel 5 to communicate through the three-way tangential pipe 4 when the elastic component 14 is in a compressed state.

In the embodiment of the invention, when the worm 7 rotates, the broken tooth structure is driven to reciprocate to drive the pushing rod 12 to move horizontally, when the pushing rod 12 moves to one side close to the sleeve seat 13, the elastic part 14 is extruded, the conical barrel 5 is communicated with the charging basket 3 through the three-way tangential pipe 4, and because the lower part of the three-way tangential pipe 4 is horizontal, when the conical barrel 5 is communicated with the charging basket 3, plastic particles in the charging basket 3 firstly fall to the horizontal section of the lower part of the three-way tangential pipe 4;

when the push rod 12 moves to one side close to the cone 5, plastic particles in the horizontal section at the lower part of the three-way tangential pipe 4 are pushed, so that the plastic technology has tangential initial kinetic energy, the plastic particles enter the inner wall of the cone 5 along the tangential direction of the upper edge of the cone 5 after being ejected from the three-way tangential pipe 4, and the plastic particles are enabled to roll spirally under the action of self gravity.

In the embodiment of the present invention, the elastic member 14 may be a compression spring or a torsion spring.

As an embodiment of the present invention, the broken tooth structure includes a spur rack 11 fixed on the push rod 12, a spur gear 10 rotatably installed on the mounting bracket 2 on one side, and a worm wheel 8 engaged with the worm 7;

the worm wheel 8 is connected with the residual gear 10 through a transmission piece 9, and the worm wheel 8 is rotatably arranged on the mounting rack 2 on one side; the part of the residual gear 10 with teeth is smooth, and the part with teeth is matched with the teeth on the spur rack 11.

In the embodiment of the invention, when the worm 7 rotates, the worm wheel 8 is driven to rotate, the worm wheel 8 drives the residual gear 10 to rotate clockwise by virtue of the transmission part 9, when teeth on the residual gear 10 are matched with the straight rack 11, the pushing rod 12 is driven to be sleeved into the sleeve seat 13, the elastic part 14 is compressed, and at the moment, plastic particles in the charging basket 3 fall to the horizontal section at the lower part of the three-way tangential pipe 4; when teeth on the residual gear 10 are separated from the spur rack 11, the pushing rod 12 is rapidly inserted into the horizontal section at the lower part of the three-way tangential pipe 4 under the action of the elastic force of the elastic piece 14, and plastic particles falling in the horizontal section at the lower part of the three-way tangential pipe 4 are pushed to be rapidly ejected.

In the embodiment of the present invention, the transmission member 9 may be a transmission belt, preferably a conventional transmission belt such as a flat belt, a V-belt, a toothed belt, etc.

As an embodiment of the present invention, the pump paint assembly comprises a pump barrel 21 mounted on the mounting frame 2 on one side, a sealing member 22 sealingly slidably disposed in the pump barrel 21, a paint tank 18 mounted on the equipment support 1 and communicating with the pump barrel 21, and a pushing structure for connecting the worm 7 and the sealing member 22;

the top of a awl section of thick bamboo 5 is provided with atomizer 24, atomizer 24 pass through the pipe with pump barrel 21 intercommunication, pump barrel 21 with through another pipe intercommunication between the lacquer case 18, two pipes with check valve 23 is all installed to the junction of pump barrel 21.

In the embodiment of the invention, when the worm 7 rotates, the sealing element 22 is driven by the pushing structure to slide in the pump cylinder 21 in a reciprocating sealing manner, and then the paint liquid in the paint box 18 is sent into the pump cylinder 21 by matching with the two check valves 23, and then sent into the atomizing nozzle 24 by the pump cylinder 21, and the paint liquid is atomized on the inner wall of the cone 5, so that a layer of paint liquid is adhered on the inner wall of the cone 5.

In the embodiment of the invention, the back surface of the paint box 18 is provided with a paint injection pipe for adding paint liquid into the paint box, so that paint can be conveniently added when the paint liquid is consumed; the sealing member 22 is made of soft rubber, and the soft rubber sealing member 22 can ensure that the edge of the sealing member slides in a sealing manner with the inner wall of the pump barrel 21.

As an embodiment of the present invention, the pushing structure comprises a rotating disc 19 fixed at the end of the worm 7 and a connecting rod 20 for connecting the rotating disc 19 and the sealing member 22; one end of the connecting rod 20 is rotationally connected with the edge of the rotary disc 19, and the other end of the connecting rod is rotationally connected with the sealing element 22;

it should be noted that a through groove is formed at the bottom of the pump barrel 21 for the connecting rod 20 to pass through and swing.

In the embodiment of the invention, when the worm 7 rotates, the rotating disc 19 is driven to rotate, the rotating disc 19 is driven by the connecting rod 20, and the sealing element 22 slides in the pump barrel 21 in a reciprocating sealing manner, so that the two check valves 23 are matched to realize pumping.

In order to reduce the waste of paint liquid in the cone 5 and achieve the purpose of resource recycling, the bottom of the cone 5 is communicated with a filter element 15, and the filter element 15 is communicated with the paint box 18 through a through pipe; the filter element 15 can allow the paint liquid sliding on the inner wall of the cone 5 to pass into the paint box 18, but not allow plastic particles to pass through, and the plastic particles are discharged through the inclined conduit 16.

As an embodiment of the present invention, the hot air drying assembly comprises a hot air box installed below the equipment support 1, a heater 28 is installed in the hot air box, and an impeller 27 connected to the worm 7 through a bevel gear set is rotatably installed at the upper part of the hot air box;

in addition, hot-blast case one side is provided with the air-supply line that supplies the ambient atmosphere to enter into in the hot-blast case, evenly set up the wind-tunnel that the steam in a plurality of confession hot-blast cases flows out on the one side that equipment support 1 just right impeller 27.

In the embodiment of the invention, when the heater 28 works, hot air is generated in the hot air box, and simultaneously the worm 7 drives the impeller 27 to rotate by virtue of the bevel gear set, the impeller 27 blows the hot air in the hot air box to the rail 17 through the air tunnel on the equipment support 1 to heat and blow the plastic particles passing through the rail 17, so that the drying speed of the paint liquid on the surfaces of the plastic particles is increased.

In the embodiment of the present invention, the heater 28 adopts an electric heating manner, and may be an electric heating plate, so that the overall structure is compact and does not occupy space.

As an embodiment of the present invention, the impeller 27 is installed in the hot air chamber through a vertical rotating shaft, the rotating shaft penetrates through the upper wall of the hot air chamber and the equipment support 1, and the bevel gear set comprises a first bevel gear 25 fixed on the worm 7 and a second bevel gear 26 fixed on the rotating shaft and engaged with the first bevel gear 25.

In the embodiment of the present invention, when the worm 7 rotates, the first bevel gear 25 is driven to rotate, the first bevel gear 25 drives the second bevel gear 26 to rotate, thereby driving the rotating shaft and the impeller 27 to rotate and blow air to the bottom of the track 17.

In the embodiment of the present invention, the number of teeth and the reference circle radius of the first bevel gear 25 are greater than those of the second bevel gear 26, that is, the transmission ratio between the first bevel gear 25 and the second bevel gear 26 is greater than 1, so that the worm 7 rotating relatively at a slow speed can drive the rotating shaft and the impeller 27 to rotate rapidly to blow air under the action of the bevel gear set.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.