CN107839194B

CN107839194B - Plastic blow molding machine capable of rapidly supplying materials

Info

Publication number: CN107839194B
Application number: CN201711000957.6A
Authority: CN
Inventors: 沈国良
Original assignee: Chongqing Deyang Zhongche Automobile Parts Co Ltd
Current assignee: Chongqing Deyang Zhongche Auto Parts Co ltd
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2020-02-07
Anticipated expiration: 2037-10-24
Also published as: CN107839194A

Abstract

The invention discloses a plastic blow molding machine for quickly supplying materials, which comprises a blow molding machine box, wherein one side of the bottom of the inner wall of the blow molding machine box is fixedly connected with a power motor, the power motor is rotatably connected with a first conical wheel through an output shaft, the upper part of the first conical wheel is connected with a second conical wheel in a meshing manner, the second conical wheel is fixedly connected with a threaded rod through a flat key, the outer wall of the threaded rod is sleeved with a threaded sliding block, and the threaded sliding block is fixedly connected with a work box through a fixed mounting frame. The plastic blow molding machine is used for rapidly supplying materials, solves the problems that tools for blow molding move up and down, the power of a rotating device is stable, the materials are stably rotated and supplied, the ordered work and the supply stability of a blow molding work box are guaranteed, the work efficiency can be improved, the work error is reduced, a blow molding workpiece is required to be clamped and supplied, the clamping and the supply stability of a work mold are guaranteed, and the automation process is improved.

Description

Plastic blow molding machine capable of rapidly supplying materials

Technical Field

The invention relates to the technical field of plastic processing machinery, in particular to a plastic blow molding machine capable of rapidly supplying materials.

Background

The plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction using monomer as raw material, commonly called plastic or resin, and can freely change its composition and form, and is formed from synthetic resin, filler, plasticizer, stabilizer, lubricant and pigment, etc. the main component of the plastic is resin. The term resin is originally named from lipids secreted from animals and plants, such as rosin and shellac, and refers to a high molecular compound that has not been mixed with various additives. The resin accounts for about 40-100% of the total weight of the plastic. The basic properties of plastics are largely determined by the nature of the resin, but additives also play an important role. Some plastics are essentially composed of synthetic resins, with no or little additives, such as plexiglass, polystyrene, etc.; the existing blow molding machine has no stable supply, less design in the aspect of automation integration, low working efficiency and larger occupied area and use space.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a plastic blow molding machine capable of rapidly supplying materials, which solves the problems that a blow molding tool moves up and down, a rotating device is stable in power and stable in rotation, the ordered work and the supply stability of a blow molding work box are ensured, the work efficiency can be improved, the work error and the clamping and the supply of workpieces needing blow molding are reduced, the clamping and the supply stability of a work mold are ensured, the work efficiency is ensured, the workload of workers is reduced, and the automation process is improved.

In order to achieve the purpose, the invention is realized by the following technical scheme: a plastic blow molding machine for quickly supplying materials comprises a blow molding machine case, wherein a power motor is fixedly connected to one side of the bottom of the inner wall of the blow molding machine case, the power motor is rotatably connected with a first conical wheel through an output shaft, the upper part of the first conical wheel is engaged with a second conical wheel, the second conical wheel is fixedly connected with a threaded rod through a flat key, a threaded sliding block is sleeved on the outer wall of the threaded rod, the threaded sliding block is fixedly connected with a work box through a fixed mounting frame, a high-pressure air pump is fixedly connected to the middle position of the bottom of the inner wall of the work box, an output pipe of the high-pressure air pump is communicated with an air guide pipe through an adapter, one end of the air guide pipe, far away from the high-pressure air pump, is fixedly connected with a gas nozzle, one side of, remove catch bar top through installation piece and work box fixed connection, work box outer wall top fixedly connected with pivot mounting bracket, blowing machine incasement wall top one side fixedly connected with slip track, slip track inner wall sliding connection has the slip mounting bracket, the pivot mounting bracket rotates through the round pin axle and is connected with the rotation connecting rod, the one end that the pivot mounting bracket was kept away from to the rotation connecting rod rotates through round pin axle and slip mounting bracket and is connected, blowing machine incasement wall one side fixedly connected with support frame, the support frame bottom is through erection joint pole fixedly connected with rotating device, rotating device bottom fixedly connected with centre gripping feeding device.

Preferably, rotating device includes first motor, first motor is connected with the reduction gear through belt pulley rotation, the first belt pulley of fixedly connected with on the output shaft of first motor, the input shaft fixedly connected with second belt pulley of reduction gear, first belt pulley passes through the belt rotation with the second belt pulley and is connected, the reduction gear rotates through first shaft coupling and is connected with the power shaft, the power shaft is through flat key fixedly connected with rolling disc and supplementary rolling disc, the border position that supplementary rolling disc was kept away from to the rolling disc outer wall is provided with power protrudingly, the rolling disc is connected with more through the protruding meshing of rolling disc and power and changes the dish.

Preferably, the replacing disc is rotatably connected with a supporting table through a driven shaft, and the supporting table is fixedly connected with the rotating device.

Preferably, the replacing disc is rotatably connected with a supply rotating disc through a driven shaft, the supply rotating disc is fixedly connected with the clamping supply device through the outer wall of the supply rotating disc.

Preferably, the clamping and supplying device comprises a clamping and supplying box, hydraulic cylinders are fixedly connected to two sides of the upper portion of the inner wall of the clamping and supplying box, pushing blocks are fixedly connected to the hydraulic cylinders through hydraulic rods, the pushing blocks are rotatably connected with a first rotating arm and a second rotating arm through pin shafts, and the middle portions of the first rotating arm and the second rotating arm are rotatably connected through rotating shafts.

Preferably, the ends, far away from the pushing block, of the first rotating arm and the second rotating arm are respectively and fixedly connected with a first clamping die and a second clamping die through an installation unit, the bottom of the clamping supply box is fixedly connected with a sliding track frame, the first rotating arm and the second rotating arm are slidably connected with the sliding track frame, the inner walls of the first rotating arm and the second rotating arm are fixedly connected with auxiliary rods, and the ends, far away from the first rotating arm and the second rotating arm, of the auxiliary rods are fixedly connected with auxiliary springs.

Preferably, the top of the clamping supply box is fixedly connected with a sliding track, the top of the pushing block is fixedly connected with a sliding rod, and one end, far away from the pushing block, of the sliding rod is connected with the sliding track in a sliding mode.

Preferably, first centre gripping mould bottom fixedly connected with dead lever, the dead lever rotates through the round pin axle and is connected with the magnetic force connecting rod, the one end fixedly connected with activity handle that the magnetic force connecting rod is close to first centre gripping mould, the magnetic force connecting rod is located between dead lever and the activity handle through reset spring and first centre gripping mould fixed connection, second centre gripping mould bottom is through mounting bracket fixedly connected with magnetic fixer, the one end fixedly connected with that the mounting bracket was kept away from to second centre gripping mould bottom prevents the bounce-back frame.

Preferably, one side of the inner wall of the blow molding machine case, which is far away from the power motor, is fixedly connected with a sliding track groove, the work box is in sliding connection with the sliding track groove through a sliding unit, and the bottom of the outer wall of the blow molding machine case and the bottom of the outer wall of the rotating device are fixedly connected with supporting legs.

Preferably, one side of the top of the working box, which is far away from the high-pressure air pump, is fixedly connected with a first fan, and the top of the blow molding machine box is positioned right above the first fan and is fixedly connected with a second fan.

Advantageous effects

The invention provides a plastic blow molding machine with rapid material supply. The method has the following beneficial effects:

(1) the material is rapidly supplied to a plastic blow molding machine, power is provided through a power motor, a threaded rod is driven to rotate through a conical wheel group, so that up-and-down movement of a sliding block is realized, a work box connected with the work box is driven to move, the bottom of the other side of the work box drives a moving push rod to perform auxiliary movement through a power gear, the up-and-down movement of the work box is provided with supporting force through matching of a rotating shaft mounting rack and a rotating connecting rod at the top of the work box, the sliding mounting rack and a sliding track, a high-pressure air pump in the work box is communicated with a gas nozzle, a rotating device provides power through a first motor, power is transmitted through a belt wheel group and a speed reducer, the rotating device rotates through a sheave mechanism, so that a supply rotating disc is driven to rotate, a clamping supply device is installed on the circumference of the supply rotating disc, and, the blowing work box has the advantages that the orderly work and the supply stability of the blowing work box are guaranteed, the work efficiency can be improved, and the work error is reduced.

(2) This material is supplied with plastics blowing machine fast, through the centre gripping feeding device through the first rotor arm of the realization of mutually supporting of pneumatic cylinder and hydraulic stem and second rotor arm rotation, cooperation auxiliary rod and auxiliary spring realize the removal of second centre gripping mould and first centre gripping mould and press from both sides tightly, the magnetic connecting rod and the magnetic force fixer of second centre gripping mould and the installation of first centre gripping mould bottom are fixed two centre gripping moulds, the work piece to needs the blowing is pressed from both sides tightly and is supplied with the purpose, the stability of the clamp of work mould and supply has been guaranteed, the efficiency of work has been guaranteed, reduce workman's work load, the automation process is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the structure of the rotating device of the present invention;

FIG. 3 is a schematic view of the structure of the supply rotor according to the present invention;

FIG. 4 is a schematic view of the clamping and feeding device of the present invention;

fig. 5 is a top view of the turning device of the present invention.

In the figure: 1 blow molding machine box, 2 power motor, 3 rotating device, 301 power shaft, 302 rotating disk, 303 auxiliary rotating disk, 304 power protrusion, 305 driven shaft, 306 supply rotating disk, 307 first coupling, 308 decelerator, 309 second pulley, 310 belt, 311 first pulley, 312 first motor, 313 replacement disk, 314 support platform, 4 clamp supply device, 401 clamp supply box, 402 hydraulic cylinder, 403 hydraulic rod, 404 pushing block, 405 sliding rod, 406 sliding track, 407 first rotating arm, 408 second rotating arm, 409 rotating shaft, 410 auxiliary rod, 411 auxiliary spring, 412 sliding track rack, 413 installation unit, 414 second clamping mold, 415 first clamping mold, fixed rod 416, 417 magnetic connecting rod, 418 return spring, 419 movable handle, 420 installation rack, 421 fixing magnetic device, 422 anti-rebound rack, 5 first cone pulley, 6 second cone pulley, 7 threaded rod, 6 cone pulley, 7 threaded rod, and, 8 threaded sliding blocks, 9 fixed mounting frames, 10 work boxes, 11 rotating shaft mounting frames, 12 rotating connecting rods, 13 sliding mounting frames, 14 sliding tracks, 15 sliding track grooves, 16 high-pressure air pumps, 17 air guide pipes, 18 gas nozzles, 19 mounting blocks, 20 moving push rods, 21 power gears, 22 supporting frames, 23 mounting connecting rods, 24 supporting legs, 25 second fans and 26 first fans.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a plastic blow molding machine for quickly supplying materials comprises a blow molding machine case 1, wherein one side of the bottom of the inner wall of the blow molding machine case 1 is fixedly connected with a power motor 2, the power motor 2 is rotatably connected with a first conical wheel 5 through an output shaft, the upper part of the first conical wheel 5 is engaged with a second conical wheel 6, the second conical wheel 6 is fixedly connected with a threaded rod 7 through a flat key, the outer wall of the threaded rod 7 is sleeved with a threaded sliding block 8, the threaded sliding block 8 is fixedly connected with a work box 10 through a fixed mounting frame 9, the middle position of the bottom of the inner wall of the work box 10 is fixedly connected with a high pressure air pump 16, an output pipe of the high pressure air pump 16 is communicated with an air guide pipe 17 through an adapter, one end of the air guide pipe 17, far away from the high pressure air pump 16, is fixedly connected with an air nozzle, remove catch bar 20 top through installation piece 19 and work box 10 fixed connection, work box 10 outer wall top fixedly connected with

pivot mounting bracket

11, 1 inner wall top of blowing machine case fixedly connected with slip track 14, slip track 14 inner wall sliding connection has slip mounting bracket 13, pivot mounting bracket 11 rotates through the round pin axle and is connected with rotation connecting rod 12, the one end that rotation connecting rod 12 kept away from pivot mounting bracket 11 rotates through round pin axle and slip mounting bracket 13 to be connected, 1 outer wall one side fixedly connected with support frame 22 of blowing machine case, 23 fixedly connected with rotating device 3 is passed through to support frame 22 bottom, 3 bottom fixedly connected with centre gripping feeding device 4 of rotating device.

The rotating device 3 comprises a first motor 312, the first motor 312 is rotatably connected with a speed reducer 308 through a belt pulley, a first belt pulley 311 is fixedly connected to an output shaft of the first motor 312, a second belt pulley 309 is fixedly connected to an input shaft of the speed reducer 308, the first belt pulley 311 is rotatably connected with the second belt pulley 309 through a belt 310, the speed reducer 308 is rotatably connected with a power shaft 301 through a first coupler 307, the power shaft 301 is fixedly connected with a rotating disc 302 and an auxiliary rotating disc 303 through a flat key, a power protrusion 304 is arranged at the edge position, away from the auxiliary rotating disc 303, of the outer wall of the rotating disc 302, and the rotating disc 303 is connected with a replacing disc 313 through the rotating disc 303 and the power protrusion 304 in a meshing manner.

The replacement disk 313 has a support base 314 rotatably connected to the driven shaft 305, and the support base 314 is fixedly connected to the rotating device 3.

The replacement disk 313 is rotatably connected to a supply rotary disk 306 through a driven shaft 305, the supply rotary disk 306, and the outer wall of the supply rotary disk 306 is fixedly connected to the grip supply device 4.

The clamping and supplying device 4 comprises a clamping and supplying box 401, hydraulic cylinders 402 are fixedly connected to two sides of the upper portion of the inner wall of the clamping and supplying box 401, a pushing block 404 is fixedly connected to the hydraulic cylinders 402 through hydraulic rods 403, the pushing block 404 is rotatably connected with a first rotating arm 407 and a second rotating arm 408 through pin shafts, and the middle portions of the first rotating arm 407 and the second rotating arm 408 are rotatably connected through a rotating shaft 409.

One ends of the first rotating arm 407 and the second rotating arm 408, which are far away from the pushing block 404, are fixedly connected with a first clamping die 415 and a second clamping die 414 respectively through a mounting unit 413, the bottom of the clamping supply box 401 is fixedly connected with a sliding track frame 412, the first rotating arm 407 and the second rotating arm 408 are slidably connected with the sliding track frame 412, the inner walls of the first rotating arm 407 and the second rotating arm 408 are fixedly connected with an auxiliary rod 410, and one ends of the auxiliary rod 410, which are far away from the first rotating arm 407 and the second rotating arm 408, are fixedly connected with an auxiliary spring 411.

The top of the clamping supply box 401 is fixedly connected with a sliding rail 406, the top of the pushing block 404 is fixedly connected with a sliding rod 405, and one end, far away from the pushing block 404, of the sliding rod 405 is connected with the sliding rail 406 in a sliding mode.

The bottom of the first clamping die 415 is fixedly connected with a fixing rod 416, the fixing rod 416 is connected with a magnetic connecting rod 417 through a pin shaft in a rotating manner, the magnetic connecting rod 417 is close to a movable handle 419 which is fixedly connected with one end of the first clamping die 415, the magnetic connecting rod 417 is located between the fixing rod 416 and the movable handle 419 and is fixedly connected with the first clamping die 415 through a reset spring 418, the bottom of the second clamping die 414 is fixedly connected with a magnetic fixer 421 through a mounting frame 420, and the bottom of the second clamping die 414 is far away from one end of the mounting frame 420 and is fixedly connected with a rebound prevention frame.

One side of the inner wall of the blow molding machine case 1, which is far away from the power motor 2, is fixedly connected with a sliding track groove 15, the working case 10 is slidably connected with the sliding track groove 15 through a sliding unit, and the bottoms of the outer walls of the blow molding machine case 1 and the rotating device 3 are fixedly connected with supporting legs 24.

The side of the top of the working box 10 far away from the high pressure air pump 16 is fixedly connected with a first fan 26, and the top of the blow molding machine case 1 is positioned right above the first fan 26 and is fixedly connected with a second fan 25.

When the device is used, the power motor 2 provides power, the threaded rod 7 is driven to rotate through the tapered wheel set, so that up-and-down movement of the sliding block 8 is realized, the working box 10 connected with the sliding block is driven to move, the bottom of the other side of the working box 10 drives the movable push rod 19 to move in an auxiliary mode through the power gear 21, the rotating shaft mounting rack 11 and the rotating connecting rod 12 at the top of the working box 19 are matched with the sliding rail 14 to provide supporting force for up-and-down movement of the working box 10, the high-pressure air pump 16 in the working box 10 is communicated with the air nozzle 18, the rotating device 3 provides power through the first motor 312, power is transmitted through the belt wheel set and the speed reducer 308 and rotates through the grooved wheel mechanism, the supply rotating disc 306 is driven to rotate, the clamping supply device 4 is installed on the circumference of the supply rotating disc 306, and the clamping supply device 4 realizes rotation of the first rotating arm 407 and the second rotating The movement and clamping of the second holding die 414 and the first holding die 415 are realized by matching the auxiliary rod 410 and the auxiliary spring 411, and the magnetic connecting rod 417 and the magnetic fixer 421 mounted at the bottom of the second holding die 414 and the first holding die 415 fix the two holding dies.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic blow molding machine for the rapid supply of material, comprising a blow molding cabinet (1), characterized in that: blow molding machine case (1) inner wall bottom one side fixedly connected with motor power (2), motor power (2) rotate through the output shaft and are connected with first cone pulley (5), first cone pulley (5) upper portion meshing is connected with second cone pulley (6), second cone pulley (6) are through parallel key fixedly connected with threaded rod (7), threaded rod (7) outer wall cover is equipped with screw thread sliding block (8), screw thread sliding block (8) are through fixed mounting bracket (9) fixedly connected with work box (10), intermediate position fixedly connected with high compression pump (16) of work box (10) inner wall bottom, the output tube of high compression pump (16) has air duct (17) through the adapter intercommunication, the one end fixedly connected with gas nozzle (18) of high compression pump (16) are kept away from in air duct (17), blow molding machine case (1) inner wall is kept away from motor power (2) one side and is rotated through the gear mounting bracket and is connected with motor power (2) The power gear (21) is connected with a movable push rod (20) through rack meshing, the top of the movable push rod (20) is fixedly connected with the work box (10) through an installation block (19), the top of the outer wall of the work box (10) is fixedly connected with a rotating shaft installation rack (11), one side of the top of the inner wall of the blow molding machine box (1) is fixedly connected with a sliding track (14), the inner wall of the sliding track (14) is slidably connected with a sliding installation rack (13), the rotating shaft installation rack (11) is rotatably connected with a rotating connecting rod (12) through a pin shaft, one end, away from the rotating shaft installation rack (11), of the rotating connecting rod (12) is rotatably connected with the sliding installation rack (13) through a pin shaft, one side of the outer wall of the blow molding machine box (1) is fixedly connected with a support frame (22), and the bottom of, the bottom of the rotating device (3) is fixedly connected with a clamping and supplying device (4).

2. A rapid material feed plastic blow molding machine as claimed in claim 1 wherein: the rotating device (3) comprises a first motor (312), the first motor (312) is rotationally connected with a speed reducer (308) through a belt pulley, a first belt pulley (311) is fixedly connected to an output shaft of the first motor (312), the input shaft of the speed reducer (308) is fixedly connected with a second belt pulley (309), the first belt pulley (311) is rotatably connected with the second belt pulley (309) through a belt (310), the speed reducer (308) is rotationally connected with a power shaft (301) through a first coupling (307), the power shaft (301) is fixedly connected with a rotating disc (302) and an auxiliary rotating disc (303) through a flat key, the edge position of the outer wall of the rotating disc (302) far away from the auxiliary rotating disc (303) is provided with a power protrusion (304), the rotating disc (303) is engaged and connected with a replacing disc (313) through the rotating disc (303) and the power protrusion (304).

3. A rapid material feed plastic blow molding machine as claimed in claim 2 wherein: the replacing disc (313) is rotatably connected with a supporting table (314) through a driven shaft (305), and the supporting table (314) is fixedly connected with the rotating device (3).

4. A rapid material feed plastic blow molding machine as claimed in claim 2 wherein: the replacing disc (313) is rotatably connected with a supply rotating disc (306) through a driven shaft (305), the supply rotating disc (306), and the outer wall of the supply rotating disc (306) is fixedly connected with the clamping supply device (4).

5. A rapid material feed plastic blow molding machine as claimed in claim 1 wherein: the clamping and supplying device (4) comprises a clamping and supplying box (401), hydraulic cylinders (402) are fixedly connected to two sides of the upper portion of the inner wall of the clamping and supplying box (401), pushing blocks (404) are fixedly connected to the hydraulic cylinders (402) through hydraulic rods (403), the pushing blocks (404) are rotatably connected with first rotating arms (407) and second rotating arms (408) through pin shafts, and the middle portions of the first rotating arms (407) and the second rotating arms (408) are rotatably connected through rotating shafts (409).

6. A rapid material feed plastic blow molding machine as claimed in claim 5 wherein: the clamping device is characterized in that one ends, far away from a pushing block (404), of the first rotating arm (407) and the second rotating arm (408) are respectively and fixedly connected with a first clamping mould (415) and a second clamping mould (414) through an installation unit (413), the bottom of the clamping supply box (401) is fixedly connected with a sliding track frame (412), the first rotating arm (407) and the second rotating arm (408) are slidably connected with the sliding track frame (412), the inner walls of the first rotating arm (407) and the second rotating arm (408) are fixedly connected with an auxiliary rod (410), and one ends, far away from the first rotating arm (407) and the second rotating arm (408), of the auxiliary rod (410) are fixedly connected with an auxiliary spring (411).

7. A rapid material feed plastic blow molding machine as claimed in claim 5 wherein: the top of the clamping supply box (401) is fixedly connected with a sliding rail (406), the top of the pushing block (404) is fixedly connected with a sliding rod (405), and one end, far away from the pushing block (404), of the sliding rod (405) is connected with the sliding rail (406) in a sliding mode.

8. A rapid material feed plastic blow molding machine as claimed in claim 6 wherein: the clamping device is characterized in that a fixing rod (416) is fixedly connected to the bottom of the first clamping die (415), a magnetic connecting rod (417) is connected to the fixing rod (416) through a pin shaft in a rotating mode, the magnetic connecting rod (417) is close to a movable handle (419) which is fixedly connected to one end of the first clamping die (415), the magnetic connecting rod (417) is located between the fixing rod (416) and the movable handle (419) and fixedly connected to the first clamping die (415) through a return spring (418), a magnetic fixer (421) is fixedly connected to the bottom of the second clamping die (414) through an installation frame (420), and an anti-rebounding frame (422) is fixedly connected to one end of the second clamping die (414) far away from the installation frame (420).

9. A rapid material feed plastic blow molding machine as claimed in claim 1 wherein: one side fixedly connected with slip track groove (15) that power motor (2) were kept away from to blow molding machine case (1) inner wall, work box (10) are through slip unit and slip track groove (15) sliding connection, blow molding machine case (1) and rotating device (3) outer wall bottom fixedly connected with supporting leg (24).

10. A rapid material feed plastic blow molding machine as claimed in claim 1 wherein: one side of the top of the working box (10) far away from the high-pressure air pump (16) is fixedly connected with a first fan (26), and the top of the blow molding machine box (1) is located right above the first fan (26) and is fixedly connected with a second fan (25).