CN110815786A

CN110815786A - Plastic uptake blowing-clean device

Info

Publication number: CN110815786A
Application number: CN201911019283.3A
Authority: CN
Inventors: 闵勋建
Original assignee: Shenzhen Built Plastic Industry Co Ltd
Current assignee: Shenzhen Built Plastic Industry Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-02-21

Abstract

The invention relates to the technical field of plastic suction equipment, in particular to a plastic suction blowing-clean device which comprises a frame body, wherein the frame body is provided with a conveying assembly, a plurality of groups of clamping pieces fixed on the conveying assembly, and a liquid spraying pipe, a brush body and a gas spraying pipe which are sequentially arranged along a conveying direction, the frame body is provided with a gas outlet pipe, and the conveying assembly comprises a synchronous belt and a driving shaft for driving the synchronous belt; the clamping piece comprises a base and a clamping rod embedded in the base, one end of the clamping rod, which extends out of the base, is connected with a clamping plate, and an elastic piece and a pneumatic device are arranged in the base, wherein the elastic piece is used for keeping the clamping rod to extend out of the base, and the pneumatic device is used for enabling the clamping rod to retract into the base; the pneumatic device is communicated with an air inlet pipe, and an inflation pipe which is inserted into the air inlet pipe for air supply through rotation is arranged on the frame body. The invention provides the plastic suction blowing-off device, so that the possibility that the blank plate is not firmly fixed due to the fact that an operator does not clamp the blank plate for enough time is effectively reduced, and the plastic suction efficiency of the blank plate is improved.

Description

Plastic uptake blowing-clean device

Technical Field

The invention relates to the technical field of plastic suction equipment, in particular to a plastic suction blowing-off device.

Background

The plastic processing technology is mainly characterized by heating and softening a flat plastic hard sheet, absorbing the heated and softened plastic hard sheet on the surface of a mold in vacuum, cooling and forming the plastic hard sheet, and is widely applied to the industries of plastic packaging, lamp decoration, advertisement, decoration and the like.

The technical scheme of the plastic suction manufacturing method and the blowing device with the prior publication number of CN106938533A is characterized in that a plastic plate is cut into blank plates; obliquely placing the blank plate on a blowing-off device for conveying, and blowing air to the conveyed blank plate; softening the blank plate after air blowing in a drying room, and placing talcum powder in the drying room; covering the softened blank on a mould, and starting pneumatic vacuum compression equipment to suck air into the mould; the blowing-off device comprises a frame body, wherein the frame body is provided with a conveying assembly, a clamping piece fixed on the conveying assembly in an up-down inclined mode, and a liquid spraying pipe, a brush body and an air spraying pipe which are sequentially arranged along the conveying direction; the tube heads of the liquid spraying tube and the gas spraying tube are arranged by the clamping piece above the liquid spraying tube and towards the clamping piece below the liquid spraying tube.

The above prior art solutions have the following drawbacks: because the air inlet pipe in the comparison document is continuously filled with air into the cavity box, the impeller is pushed by high-speed air and drives the rotating shaft to continuously rotate, and the blank plate is continuously conveyed towards the drying room. But operating personnel is the required period of time with the blank board clamping to the holder of conveying component, and this kind of setting can make operating personnel not have enough time to come the clamping blank board to lead to the blank board to drop because of fixed infirm in clean in-process, and then influence the plastic uptake efficiency of blank board.

Disclosure of Invention

The invention aims to provide a plastic suction and blowing device, which effectively reduces the possibility of unfirm fixation of a blank plate caused by insufficient time for clamping the blank plate by an operator and is beneficial to improving the plastic suction efficiency of the blank plate.

The above object of the present invention is achieved by the following technical solutions:

a plastic suction blowing-clean device comprises a frame body, wherein the frame body is provided with a conveying assembly, a plurality of groups of clamping pieces fixed on the conveying assembly, a liquid spraying pipe, a brush body and an air spraying pipe which are sequentially arranged along a conveying direction, an air outlet pipe for supplying air to the air spraying pipe is arranged on the frame body, and the conveying assembly comprises a synchronous belt for bearing a blank plate and a driving shaft for driving the synchronous belt; the clamping piece comprises a base and a clamping rod which is embedded in the base and slides relative to the base, one end of the clamping rod, which extends out of the base, is connected with a clamping plate, and an elastic piece and a pneumatic device are arranged in the base, wherein the elastic piece is used for keeping the clamping rod to extend out of the base, and the pneumatic device is used for enabling the clamping rod to retract into the base; the pneumatic device is communicated with an air inlet pipe fixed on the base, and an inflation pipe which is communicated with the air outlet pipe and is inserted into the air inlet pipe for air supply through rotation is arranged on the frame body.

Through adopting above-mentioned technical scheme, set up the holder on conveying component, be favorable to preventing that the blank board is not hard up in data send process. The conveying assembly is sequentially provided with a liquid spraying pipe, a brush body and an air spraying pipe along the conveying direction, and organic solvent is sprayed on the blank plate, so that garbage with high viscosity on the blank plate is removed by a similarity and intermiscibility principle; the brush body directly acts on the blank plate to clean the blank plate, so that the cleanness degree of the blank plate is further improved; an air injection pipe is arranged behind the brush body to blow the brush hair attached to the blank plate and the residual organic solvent. Set up pneumatic means and intercommunication air inlet unit's intake pipe on the base, aerify the intake pipe through the gas tube for during pneumatic means drive clamping bar withdrawed into the base, two splint were opened relatively this moment, and operating personnel can place the holder with the blank board fast on. After the gas-filled tube no longer aerifys the intake pipe, two splint stretch out the base outside and press from both sides tightly the blank board under the elastic action of elastic component, and this kind of setting has effectively reduced operating personnel because of not having the possibility that enough time clamping blank board leads to the blank board to fix insecure, is favorable to improving the plastic uptake efficiency of blank board. In addition, the air charging pipe can sweep the blank plate before being inserted into the air inlet pipe or after being drawn out from the air inlet pipe, so that the possibility of dust attaching to the blank plate is reduced, and the cleanliness of the surface of the blank plate is enhanced.

The invention is further configured to: one end of the clamping rod in the base is provided with a first limiting plate protruding radially towards the inner wall of the base, and one end of the base, sleeved outside the clamping rod, is provided with a first baffle protruding radially towards the outer wall of the clamping rod.

Through adopting above-mentioned technical scheme, set up first limiting plate and first baffle on clamping bar and base respectively, make clamping bar and base form one kind in the axial and separate the fender relation, effectively reduced the clamping bar and appeared deviating from the possibility of base for the flexible in-process of base.

The invention is further configured to: the elastic piece is a spring, and two ends of the spring are respectively abutted against the bottom of the cavity and the first limiting plate; the pneumatic device is an air bag, and the air bag is located between the first limiting plate and the first baffle.

Through adopting above-mentioned technical scheme, when the gas tube aerifys for the gasbag through the intake pipe, the gasbag inflation to promote first limiting plate and keep away from first baffle, make first limiting plate and base bottom cooperation compression spring simultaneously, thereby make the clamping bar retract into the base in, splint open this moment, and operating personnel places the blank board on the holder fast. When the gas tube is no longer inflated, the spring has an elastic effect, so that the first limiting plate is pushed to approach the first baffle plate in the direction, the first limiting plate and the first baffle plate are matched to compress the air bag, and the clamping rod extends out of the base and pushes the clamping plate to clamp the blank plate.

The invention is further configured to: and a guide inclined plane is arranged at the pipe orifice of the air inlet pipe.

Through adopting above-mentioned technical scheme for thereby the gas tube can insert more smoothly in the mouth of pipe of intake pipe and carry out the air feed to the gasbag, the setting on direction inclined plane is favorable to reducing the collision friction damage between gas tube and the intake pipe mouth of pipe.

The invention is further configured to: the support body is provided with a driving wheel in a rotating mode, an installation block deviating from the circle center is fixed on the wheel surface of the driving wheel, the inflation tube comprises a transverse telescopic air tube communicated with the air outlet tube and a vertical telescopic air tube communicated with the tail end of the transverse telescopic air tube and hinged to the installation block, and the tail end of the vertical telescopic air tube is connected with an air faucet inserted into the mouth of the air inlet tube along with the rotation of the driving wheel.

By adopting the technical scheme, the air faucet can do circular motion around the circle center of the driving wheel by utilizing the structure of the eccentric circle. When the mouth of pipe of intake pipe was carried the below of passing through the drive wheel along with the holder by the hold-in range, the air cock aerifys the gasbag through rotatory inserting in the mouth of pipe of intake pipe under the drive of drive wheel to make splint open, operating personnel places the blank board on the holder fast this moment. Along with the hold-in range continues to convey forward, the air cock is through rotatory mouth of pipe that leaves the intake pipe under the drive of drive wheel, and the spring takes place the elastic action, makes splint press from both sides tightly to the blank board.

The invention is further configured to: the horizontal telescopic air pipe and the vertical telescopic air pipe comprise a plurality of sections of hollow pipelines with gradually increasing calibers, two adjacent sections of hollow pipelines are mutually telescopic and nested, and a plurality of first sealing rings are embedded between the boundaries of the inner wall and the outer wall of the joints of the two adjacent sections of hollow pipelines along the axial direction.

Through adopting above-mentioned technical scheme, the air feed distance that makes the gas tube can adjust in a flexible way in setting up of horizontal flexible trachea and vertical flexible trachea, has effectively guaranteed the continuity and the mobility of air feed. The arrangement of the multiple first sealing rings is favorable for reducing the possibility of air leakage of the transverse telescopic air pipe and the vertical telescopic air pipe in the working process.

The invention is further configured to: the two adjacent hollow pipelines are characterized in that one end of the hollow pipeline with the smaller caliber in the adjacent hollow pipeline with the larger caliber is provided with a second limiting plate protruding radially towards the inner wall of the hollow pipeline with the larger caliber, and one end of the hollow pipeline with the larger caliber, sleeved outside the adjacent hollow pipeline, is provided with a second baffle protruding radially towards the outer wall of the hollow pipeline with the smaller caliber.

Through adopting above-mentioned technical scheme, set up second limiting plate and second baffle respectively on two adjacent sections hollow pipeline, make two adjacent sections hollow pipeline form one kind in the axial and separate the fender relation, effectively reduced two adjacent sections hollow pipeline and because of appearing the possibility that the disjointed leads to gas leakage in the course of the work, improved gas transmission efficiency greatly, guaranteed the normal clear progress of blank board cleaning work.

The invention is further configured to: the frame body is provided with a cavity box, one side of the cavity box is communicated with a gas pipe, the other side of the cavity box is communicated with a gas outlet pipe, a driving shaft penetrates through the cavity box, and an impeller positioned in the cavity box is welded on the driving shaft.

Through adopting above-mentioned technical scheme, the air current of gas-supply pipe comes from air supplies such as air pump, and when the air current was spout from the gas-supply pipe, it was rotatory to have promoted the impeller earlier, makes the impeller constantly drive the drive shaft and rotates around self axis to make the drive shaft drive hold-in range operation. The arrangement effectively utilizes the impact force of the airflow and reduces the waste of energy.

The invention is further configured to: and a second sealing ring which is abutted against the driving shaft and is used for keeping the cavity sealed is embedded on the cavity.

Through adopting above-mentioned technical scheme, set up the second sealing washer and be favorable to reducing the possibility that gas leaks out the chamber box, effectively guaranteed the rotation efficiency of drive shaft.

The invention is further configured to: the heating pipe is arranged on the air outlet pipe, and the heating pipe is internally provided with an electric heating wire.

Through adopting above-mentioned technical scheme, what this kind of setting made the gas nozzle blowout is steam, and steam has the effect of preheating to the blank board. The heating time of the blank plate in the drying room can be shortened by raising the temperature of the blank plate in advance before the blank plate enters the drying room, so that the time for shortening the whole plastic suction flow is shortened, and the plastic suction efficiency is improved.

In conclusion, the beneficial technical effects of the invention are as follows:

1. set up pneumatic means and intercommunication air inlet unit's intake pipe on the base, aerify the intake pipe through the gas tube for during pneumatic means drive clamping bar withdrawed into the base, two splint were opened relatively this moment, and operating personnel can place the holder with the blank board fast on. After the gas-filled tube no longer aerifys the intake pipe, two splint stretch out the base outside and press from both sides tightly the blank board under the elastic action of elastic component, and this kind of setting has effectively reduced operating personnel because of not having the possibility that enough time clamping blank board leads to the blank board to fix insecure, is favorable to improving the plastic uptake efficiency of blank board. In addition, the air charging pipe can sweep the blank plate before being inserted into the air inlet pipe or after being drawn out from the air inlet pipe, so that the possibility of dust attaching to the blank plate is reduced, and the cleanliness of the surface of the blank plate is enhanced.

2. Through setting up first limiting plate and first baffle on clamping bar and base respectively, make clamping bar and base form a kind of fender relation in the axial, effectively reduced the clamping bar and appear the possibility of deviating from the base for the flexible in-process of base.

3. Through setting up the direction inclined plane for thereby the gas tube can insert more smoothly in the mouth of pipe of intake pipe and supply air to the gasbag, the setting up of direction inclined plane is favorable to reducing the collision friction damage between gas tube and the intake pipe mouth of pipe.

Drawings

Fig. 1 is a schematic view of the overall structure of a plastic suction blowing-off device of the invention.

Figure 2 is a schematic view of the internal structure of the cell of the present invention.

Fig. 3 is a schematic view of the internal structure of the base in the present invention.

FIG. 4 is a schematic view showing the connection between the air-filling tube and the air-intake tube in the present invention.

Fig. 5 is a schematic view of the internal structure of the horizontal telescopic air tube or the vertical telescopic air tube according to the present invention.

In the figure, 1, a transverse plate; 11. a vertical plate; 12. a drive shaft; 121. a second seal ring; 13. a driven shaft; 14. a cell; 141. an impeller; 142. a gas delivery pipe; 15. an air outlet pipe; 151. heating a tube; 152. a gas ejector tube; 16. transversely stretching the air pipe; 161. a first seal ring; 162. a second limiting plate; 17. a vertical telescopic air pipe; 171. a drive wheel; 172. a second baffle; 18. a liquid spraying pipe; 181. a brush body; 182. a blank plate;

2. a base plate; 21. a base; 211. a first baffle plate; 212. an air bag; 22. a clamping bar; 221. a first limit plate; 222. a spring; 23. a splint; 24. a carrier plate; 25. an air inlet pipe; 251. a guide slope.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the plastic sucking and blowing device disclosed by the invention comprises a frame body, wherein the frame body comprises a transverse plate 1 and a vertical plate 11 vertically fixed on one side of the transverse plate 1. A conveying assembly is arranged between the transverse plate 1 and the vertical plate 11. In this embodiment, the conveying assembly includes that the slant wears to establish between diaphragm 1 and riser 11 and drive shaft 12 and driven shaft 13 that are parallel to each other, all is fixed with synchronous pulley at the axial both ends of drive shaft 12 and driven shaft 13, and the tensioning has the hold-in range between two synchronous pulley that are located drive shaft 12 and driven shaft 13 with one end.

Referring to fig. 1 and 2, a cell 14 is mounted on a vertical plate 11, and a drive shaft 12 is disposed coaxially with the cell 14 and passes through the axis of the cell 14. An impeller 141 located inside the cell 14 is welded to the drive shaft 12, and the impeller 141 divides the inside of the cell 14 into a plurality of equally large sealed chambers. In this embodiment, an air pipe 142 is connected to one side of the cell 14, an air outlet pipe 15 is connected to the other side of the cell 14, and the axes of the air pipe 142 and the air outlet pipe 15 are parallel to each other and perpendicular to the axis of the driving shaft 12. A second seal ring 121 abutting on the outer peripheral surface of the drive shaft 12 is fitted to the cell 14.

Referring to fig. 1 and 2, a liquid ejecting tube 18, a brush 181, and an air ejecting tube 152 are sequentially attached to a vertical plate 11 in a conveying direction of a timing belt. Wherein the liquid spray pipe 18 is connected to the tank filled with ethyl acetate through a water pump, and the nozzle of the liquid spray pipe 18 faces the blank plate 182. In this embodiment, the brush body 181 is two brushes fixed between the horizontal plate 1 and the vertical plate 11, and the two brushes are arranged in parallel and inclined. The two brushes clean both surfaces of the blank plate 182 as the blank plate 182 passes between the two brushes. The gas spraying pipe 152 is communicated with one side of the gas outlet pipe 15 far away from the chamber box 14, a heating pipe 151 is installed on the gas outlet pipe 15, and an electric heating wire is arranged in the heating pipe 151.

Referring to fig. 3 and 4, a plurality of sets of grippers are fixed to an outer surface of the timing belt. In this embodiment, the holder includes two bottom plates 2 perpendicular to the setting of hold-in range direction of transfer to and two loading boards 24 that are parallel to the setting of hold-in range direction of transfer, and two loading boards 24 all are located between two bottom plates 2 and the symmetry sets up.

Referring to fig. 3 and 4, a base 21 is fixed to the bottom plate 2, and a clamp rod 22 that slides with respect to the base 21 is fitted into the base 21. The clamp bar 22 is disposed coaxially with the base 21, and the axis of the clamp bar 22 is parallel to the conveying direction of the timing belt. The clamping plate 23 is connected to one end of the clamping rod 22 extending out of the base 21. In this embodiment, a first limiting plate 221 protruding radially toward the inner wall of the base 21 is disposed at one end of the clamping bar 22 inside the base 21, and a first baffle 211 protruding radially toward the outer wall of the clamping bar 22 is disposed at one end of the base 21 sleeved outside the clamping bar 22.

Referring to fig. 3 and 4, an elastic member and a pneumatic device are provided in the base 21. In this embodiment, the elastic member may be a spring 222, the spring 222 is disposed coaxially with the clamping rod 22, and two axial ends of the spring 222 abut against the bottom of the cavity and the first limiting plate 221 respectively. The pneumatic means is an air bag 212 located between the first stopper plate 221 and the first flap 211.

Referring to fig. 3 and 4, the air bag 212 communicates with an intake pipe 25 fixed to the base 21. In the present embodiment, the air inlet pipe 25 is provided with a guide slope 251 at a side nozzle away from the base 21.

Referring to fig. 4 and 5, two sets of air-filling pipes are installed on the frame body. The gas tube includes the horizontal flexible trachea 16 that communicates in outlet duct 15 to and communicate in the terminal vertical flexible trachea 17 of horizontal flexible trachea 16, and the end-to-end connection of vertical flexible trachea 17 has the air cock. In this embodiment, the transverse telescopic air pipe 16 and the vertical telescopic air pipe 17 both include a plurality of hollow pipes with gradually increasing calibers, and two adjacent hollow pipes are mutually telescopic and nested, wherein one end of the hollow pipe with a smaller calibre in the adjacent hollow pipe with a larger calibre is provided with a second limiting plate 162 protruding radially towards the inner wall of the hollow pipe with a larger calibre, and one end of the hollow pipe with a larger calibre sleeved outside the adjacent hollow pipe with a smaller calibre is provided with a second baffle plate 172 protruding radially towards the outer wall of the hollow pipe with a smaller calibre. A plurality of first sealing rings 161 are embedded between the junctions of the inner wall and the outer wall of the joints of the two adjacent sections of hollow pipelines along the axial direction.

Referring to fig. 4 and 5, two driving wheels 171 rotatable about their axes are mounted on the riser 11, and eccentric mounting blocks are fixed to the tread surfaces of the driving wheels 171. In this embodiment, the mounting block is rotatably connected to the end of the vertical telescopic air tube 17, so that the end of the telescopic air tube can move circularly around the center of the driving wheel 171.

The working principle of the embodiment is as follows: when the air flow is sprayed out from the air pipe 142, the impeller 141 is firstly pushed to rotate, so that the impeller 141 continuously drives the driving shaft 12 to rotate around the axis of the impeller, and the driving shaft 12 drives the synchronous belt to run.

The structure that drive wheel 171 utilized the eccentric circle makes the air cock can make circular motion around the centre of a circle of drive wheel 171, when the mouth of pipe of intake pipe 25 was followed the holder and is passed through the below of drive wheel 171 by the hold-in range conveying, the air cock is under the drive of drive wheel 171 through rotatory insert the mouth of pipe of intake pipe 25 and aerify gasbag 212, gasbag 212 inflation, and promote first baffle 211 of keeping away from of first limiting plate 221, make first limiting plate 221 and base 21 bottom cooperation compression spring 222 simultaneously, thereby make clamping bar 22 retract in the base 21, splint 23 opens this moment, operating personnel places blank board 182 on the holder fast.

As the timing belt continues to advance, the air nozzle is driven by the driving wheel 171 to rotate away from the nozzle of the air inlet pipe 25, and at this time, the air bag 212 is no longer inflated by the inflation pipe. The spring 222 generates an elastic action to push the first stopper plate 221 to approach toward the first flap 211, so that the first stopper plate 221 cooperates with the first flap 211 to compress the air bag 212, and at this time, the clamping rod 22 extends out of the base 21 and pushes the clamping plate 23 to clamp the blank plate 182.

The timing belt continues to convey the blank plate 182 forward, and the liquid spraying pipe 18 firstly sprays ethyl acetate on the blank plate 182, so that the garbage with high viscosity on the blank plate 182 is removed by the similarity and intermiscibility principle. The blank plate 182 continues to advance, and the upper and lower surfaces of the blank plate 182 are brushed by the brushes, so that the viscous garbage and the ethyl acetate are brushed away from the blank plate 182, and drying of the blank plate 182 is accelerated. The gas in the outlet pipe 15 is heated by the heating pipe 151 and then ejected from the gas ejecting pipe 152 to purge the bristles and the residual ethyl acetate attached to the blank 182.

This embodiment is through the intake pipe 25 that sets up pneumatic means and intercommunication air inlet unit on base 21, aerifys intake pipe 25 through the gas tube for two splint 23 are opened relatively, and operating personnel can place blank board 182 fast on the holder, has effectively reduced operating personnel because of not having enough time clamping blank board 182 and has leaded to the fixed not firm possibility of blank board 182, is favorable to improving blank board 182's plastic uptake efficiency. In addition, the air charging pipe can perform purging action on the blank plate 182 before being inserted into the air inlet pipe 25 or after being extracted from the air inlet pipe 25, so that the possibility of dust adhering to the blank plate 182 is reduced, and the surface cleanliness of the blank plate 182 is enhanced.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a plastic uptake blowing-cleaning device, includes the support body, and the support body is equipped with conveying assembly, is fixed in the multiunit holder on the conveying assembly to and spray tube (18), brush body (181) and jet-propelled pipe (152) that follow direction of transfer and arrange in proper order, be installed on the support body for outlet duct (15) of jet-propelled pipe (152) air feed, its characterized in that: the conveying assembly comprises a synchronous belt for bearing the blank plate (182) and a driving shaft (12) for driving the synchronous belt;

the clamping piece comprises a base (21) and a clamping rod (22) which is embedded in the base (21) and slides relative to the base (21), one end, extending out of the base (21), of the clamping rod (22) is connected with a clamping plate (23), an elastic piece and a pneumatic device are arranged in the base (21), the elastic piece is used for enabling the clamping rod (22) to keep extending out of the base (21), and the pneumatic device is used for enabling the clamping rod (22) to retract into the base (21);

the pneumatic device is communicated with an air inlet pipe (25) fixed on the base (21), and an inflation pipe which is communicated with the air outlet pipe (15) and is inserted into the air inlet pipe (25) through rotation for air supply is arranged on the frame body.

2. The plastic uptake blowing-off device according to claim 1, wherein: clamping bar (22) one end in base (21) is equipped with towards radial bellied first limiting plate (221) of base (21) inner wall, and the one end that base (21) cover was outside clamping bar (22) is equipped with towards radial bellied first baffle (211) of clamping bar (22) outer wall.

3. The plastic uptake blowing-off device according to claim 2, wherein: the elastic piece is a spring (222), and two ends of the spring (222) are respectively abutted against the bottom of the cavity and the first limit plate (221);

the pneumatic device is an air bag (212), and the air bag (212) is located between the first limiting plate (221) and the first baffle (211).

4. The plastic uptake blowing-off device according to claim 3, wherein: and a guide inclined plane (251) is arranged at the pipe orifice of the air inlet pipe (25).

5. The plastic uptake blowing-off device according to claim 1, wherein: rotate on the support body and install drive wheel (171), be fixed with the installation piece of skew centre of a circle on the wheel face of drive wheel (171), the gas tube is including communicating in horizontal flexible trachea (16) of outlet duct (15) to and communicate in horizontal flexible trachea (16) end and with installation piece articulated vertical flexible trachea (17), the end-to-end connection of vertical flexible trachea (17) has along with drive wheel (171) rotation inserts intake pipe (25) orificial air cock.

6. The plastic uptake blowing-off device according to claim 5, wherein: the transverse telescopic air pipe (16) and the vertical telescopic air pipe (17) comprise a plurality of hollow pipelines with gradually increasing calibers, two adjacent hollow pipelines are mutually telescopic and nested, and a plurality of first sealing rings (161) are embedded between the boundaries of the inner wall and the outer wall of the joints of the two adjacent hollow pipelines along the axial direction.

7. The plastic uptake blowing-off device according to claim 6, wherein: two sections adjacent hollow pipeline, wherein the one end of the less hollow pipeline of bore in the great hollow pipeline of adjacent bore is equipped with the radial bellied second limiting plate (162) of inner wall towards the great hollow pipeline of bore, and the great hollow pipeline of bore cover is equipped with the radial bellied second baffle (172) of outer wall towards the less hollow pipeline of bore in the one end outside the less hollow pipeline of adjacent bore.

8. The plastic uptake blowing-off device according to claim 1, wherein: the rack body is provided with a cavity box (14), one side of the cavity box (14) is communicated with a gas pipe (142), the other side of the cavity box (14) is communicated with a gas outlet pipe (15), a driving shaft (12) penetrates through the cavity box (14), and an impeller (141) positioned in the cavity box (14) is welded on the driving shaft (12).

9. The plastic uptake blowing-off device according to claim 8, wherein: a second seal ring (121) which abuts on the drive shaft (12) and keeps the chamber (14) sealed is fitted to the chamber (14).

10. The plastic uptake blowing-off device according to claim 9, wherein: a heating pipe (151) is arranged on the air outlet pipe (15), and an electric heating wire is arranged in the heating pipe (151).