CN113232272B

CN113232272B - Plastic bottle blow molding back plastic design processing machinery

Info

Publication number: CN113232272B
Application number: CN202110787312.1A
Authority: CN
Inventors: 朱云利
Original assignee: Xinyi Dingli Plastic Products Co ltd
Current assignee: Xinyi Dingli Plastic Products Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-09-14
Anticipated expiration: 2041-07-13
Also published as: CN113232272A

Abstract

The invention provides a plastic shaping and processing machine for plastic bottles subjected to blow molding, which comprises a workbench, a clamping device and a shaping device. The invention can solve the following problems in the plastic bottle blow molding process: a. at present, most of blow molding of plastic bottles is produced and manufactured through assembly line equipment, so that the blow molding of the plastic bottles needs to be completed quickly in a short time, the plastic bottles with high temperature need to be cooled quickly to be shaped after the blow molding, and the plastic bottles are easy to collapse and deform due to thermal expansion and cold contraction, so that the defective rate of the blow molded plastic bottles is high; b. the existing shaping and shaping processing equipment mostly repairs the plastic bottle by heating and pressure maintaining when deforming and repairing the plastic bottle, and does not perform rolling repair on the sunken part of the inner wall of the plastic bottle, so that the inner wall of the plastic bottle is still sunken after shaping, and the repairing effect is poor.

Description

Plastic bottle blow molding back plastic design processing machinery

Technical Field

The invention relates to the technical field of plastic bottle processing, in particular to a plastic shaping processing machine for plastic bottles after blow molding.

Background

The plastic bottle is mainly made of polyethylene or polypropylene and other materials with a plurality of organic solvents. The plastic bottle is a plastic container which is widely used by taking polyester PET, polyethylene PE and polypropylene PP as raw materials, adding corresponding organic solvent, heating at high temperature, and performing blow molding, extrusion blowing or injection molding through a plastic mold. The packaging container is mainly used for liquid or solid disposable plastic packaging containers of beverages, foods, pickles, honey, dried fruits, edible oil, agricultural and veterinary medicines and the like. The plastic bottle has the characteristics of low breakage probability, low cost, high transparency, food-grade raw materials and the like.

At present, the following problems still exist in the blow molding process of plastic bottles: a. at present, most of blow molding of plastic bottles is produced and manufactured through assembly line equipment, so that the blow molding of the plastic bottles needs to be completed quickly in a short time, the plastic bottles with high temperature need to be cooled quickly to be shaped after the blow molding, and the plastic bottles are easy to collapse and deform due to thermal expansion and cold contraction, so that the defective rate of the blow molded plastic bottles is high; b. the existing shaping and shaping processing equipment mostly repairs the plastic bottle by heating and pressure maintaining when deforming and repairing the plastic bottle, and does not perform rolling repair on the sunken part of the inner wall of the plastic bottle, so that the inner wall of the plastic bottle is still sunken after shaping, and the repairing effect is poor.

Disclosure of Invention

The technical problem to be solved is as follows: the invention provides a plastic shaping and processing machine for plastic bottle blow molding, which can solve the following problems in the plastic bottle blow molding process: a. at present, most of blow molding of plastic bottles is produced and manufactured through assembly line equipment, so that the blow molding of the plastic bottles needs to be completed quickly in a short time, the plastic bottles with high temperature need to be cooled quickly to be shaped after the blow molding, and the plastic bottles are easy to collapse and deform due to thermal expansion and cold contraction, so that the defective rate of the blow molded plastic bottles is high; b. the existing shaping and shaping processing equipment mostly repairs the plastic bottle by heating and pressure maintaining when deforming and repairing the plastic bottle, and does not perform rolling repair on the sunken part of the inner wall of the plastic bottle, so that the inner wall of the plastic bottle is still sunken after shaping, and the repairing effect is poor.

The technical scheme is as follows: in order to achieve the purpose, the invention adopts the following technical scheme: a plastic shaping processing machinery after plastic bottle blow molding comprises a workbench, a clamping device and a shaping device, wherein the upper end of the workbench is provided with the clamping device and the shaping device, and the clamping device is positioned below the middle part of the shaping device; wherein: clamping device include die block, side form, installation piece, movable plate, centre gripping biax cylinder and cooling body, turn right equidistant the die block of installing from a left side in workstation upper end, the side form of symmetry around the slip is provided with in die block upper end, the side form is carried on the back and is installed the installation piece on the lateral wall mutually, the workstation upper end is slided and is provided with symmetrical movable plate around, the installation piece is connected on the movable plate, bilateral symmetry centre gripping biax cylinder is installed through the cylinder block in the workstation upper end, centre gripping biax cylinder output is connected on the movable plate, be provided with cooling body in the side form.

The shaping device comprises a top plate, a supporting rod, lifting cylinders, bearing frames, shaping shafts, auxiliary blocks, a shaping motor, a sealing mechanism, an inner shaping mechanism, chain wheels, a transmission chain and a U-shaped frame, wherein the top plate is arranged above the workbench and fixed on the workbench through the supporting rod, the bearing frames are distributed below the top plate and sleeved on the supporting rod in a sliding manner, the lifting cylinders are connected to the left side and the right side of the upper end of the bearing frame, the upper end of each lifting cylinder is installed on the top plate, the shaping shafts are installed on the bearing frames at equal intervals from left to right, the upper end of one shaping shaft is connected with the output end of the shaping motor through a shaft coupling, the shaping motor is installed on the U-shaped frame through a motor base, the U-shaped frame is fixed on the bearing frames, the shaping shafts are provided with the chain wheels through splines, and the chain wheels are connected through the transmission chain, the bearing frame is characterized in that sealing mechanisms corresponding to the shaping shafts one to one are arranged on the lower end face of the top of the bearing frame, auxiliary blocks are rotatably mounted at the lower ends of the shaping shafts, and inner shaping mechanisms are arranged on the shaping shafts.

Preferably, cooling body include runner, inlet tube and outlet pipe, from last S type runner down having seted up in the side form, the runner upper end is linked together with the outlet pipe, the outlet pipe is linked together with external cooling device, the runner lower extreme is linked together with the inlet tube, the inlet tube communicates with external cooling device.

Preferably, sealing mechanism include fixed block, go-between, grafting piece and gasbag, shaping epaxial fixed block and the grafting piece of installing through the bearing, the lower extreme at the fixed block is connected to the grafting piece, the go-between is installed to the fixed block upper end, the terminal surface under the bearing frame top is installed to the go-between, be connected with the gasbag on the grafting piece lateral wall, shaping axle lower extreme, supplementary piece and interior plastic mechanism all are located inside the gasbag.

Preferably, interior plastic mechanism including exhibition pole, connecting block, expansion biax cylinder, drive the piece, stretch out the pole, a plastic strip and interior plastic branch chain, the plastic off-axial side is provided with the exhibition pole, the exhibition pole uses shaping axle to distribute as central symmetry, both ends are fixed on shaping epaxially through the connecting block about the exhibition pole, install on the exhibition pole and expand the biax cylinder, it is connected with and drives the piece to expand biax cylinder output, it overlaps on the exhibition pole to drive a slip cap, it is connected with two to drive the one end rotation of piece and extension pole, two to drive the pole stretch out the pole and distribute for longitudinal symmetry, the plastic off-axial side is provided with a vertical plastic strip, two extend the pole other end and rotate respectively and connect the upper and lower end at a plastic strip, the top drive the piece and be connected with interior plastic branch chain.

Preferably, interior plastic branch chain include auxiliary sleeve, spring, sliding block, connecting rod and No. two plastic strips, the top the drive block upper end is connected with auxiliary sleeve, the auxiliary sleeve slip cap is established on the expansion pole, the expansion pole is located auxiliary sleeve's top and the expansion pole on slide and be provided with the sliding block, the cover is equipped with the spring on the expansion pole, the spring both ends are connected respectively on auxiliary sleeve and on the sliding block, rotate on the sliding block and install the connecting rod, No. two plastic strips upper ends are rotated and are connected with No. two plastic strips, No. two plastic strip upper ends are rotated with the connecting rod other end and are connected.

Preferably, the plug-in block on install the gas-supply pipe, gas-supply pipe one end is linked together with the gasbag is inside, the gas-supply pipe other end is worn out the fixed block and is linked together with outside gas transmission device.

Preferably, the gasbag be high temperature resistant material, prevent that the plastic bottle of high temperature from scalding the gasbag, lead to the gasbag gas leakage, and then can't repair the plastic bottle inner wall.

Preferably, the lower end of the moving plate is provided with a dovetail block, the upper end of the workbench is provided with a dovetail groove in sliding fit with the dovetail block, and the dovetail block is arranged to ensure that the moving plate moves stably and further ensure that the two side molds are stably butted, so that plastic bottles subjected to high-temperature treatment are wrapped.

(III) the beneficial effects are as follows: 1. the invention provides a plastic shaping and processing machine for plastic bottle blow molding, which can solve the following problems in the plastic bottle blow molding process: a. at present, most of blow molding of plastic bottles is produced and manufactured through assembly line equipment, so that the blow molding of the plastic bottles needs to be completed quickly in a short time, the plastic bottles with high temperature need to be cooled quickly to be shaped after the blow molding, and the plastic bottles are easy to collapse and deform due to thermal expansion and cold contraction, so that the defective rate of the blow molded plastic bottles is high; b. the existing shaping and shaping processing equipment mostly repairs the plastic bottle by heating and pressure maintaining when deforming and repairing the plastic bottle, and does not perform rolling repair on the sunken part of the inner wall of the plastic bottle, so that the inner wall of the plastic bottle is still sunken after shaping, and the repairing effect is poor.

2. The clamping device comprises the side die and the bottom die, wherein the upper end face of the bottom die and the end face of the side die, far away from the moving plate, are both arranged to be concave-convex faces attached to the outer wall of the plastic bottle, so that the plastic bottle is completely attached and wrapped, the plastic bottle is prevented from being integrally deformed when the shaping device finishes the inner side wall of the plastic bottle, the first shaping strip and the second shaping strip are still rotated to finish the inner side wall of the plastic bottle after finishing, the plastic bottle is rapidly cooled through the cooling mechanism of the side die, and the plastic bottle is prevented from being sunk again.

3. The shaping device designed by the invention utilizes the matching of the air bag and the gas to ensure that the air bag is completely attached to the inner wall of the plastic bottle, so that the first shaping strip and the second shaping strip in the inner shaping mechanism are in contact with the inner side wall of the plastic bottle through the air bag and rotationally trim the inner side wall, and the first shaping strip and the second shaping strip are prevented from being in direct contact with the inner side wall of the plastic bottle, so that the first shaping strip and the second shaping strip scrape the inner side wall of the plastic bottle.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a three-dimensional view of the present invention.

Fig. 2 is a front sectional view of the present invention.

Fig. 3 is a side cross-sectional view of the present invention.

Fig. 4 is a partially enlarged view of fig. 2 a in the present specification.

Fig. 5 is a top cross-sectional view of the inner reforming mechanism of the present invention.

Fig. 6 is a cross-sectional view of the inner reforming mechanism of the present invention.

Fig. 7 is a partially enlarged view of fig. 3B in the present specification.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings; in this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

In addition, the following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention; therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 7, a plastic shaping and processing machine for plastic bottles after blow molding comprises a workbench 1, a clamping device 2 and a shaping device 3, wherein the clamping device 2 and the shaping device 3 are arranged at the upper end of the workbench 1, and the clamping device 2 is positioned below the middle part of the shaping device 3; wherein: the clamping device 2 comprises a bottom die 21, side dies 22, mounting blocks 23, a moving plate 24, clamping double-shaft cylinders 25 and a cooling mechanism 26, the bottom die 21 is mounted at the upper end of the workbench 1 at equal intervals from left to right, the front and back symmetrical side dies 22 are slidably arranged at the upper end of the bottom die 21, the mounting blocks 23 are mounted on the opposite side walls of the side dies 22, the front and back symmetrical moving plate 24 is slidably arranged at the upper end of the workbench 1, the mounting blocks 23 are connected on the moving plate 24, the left and right symmetrical clamping double-shaft cylinders 25 are mounted at the upper end of the workbench 1 through cylinder seats, the output ends of the clamping double-shaft cylinders 25 are connected on the moving plate 24, and the cooling mechanism 26 is arranged in the side dies 22; during specific work, at first place the plastic bottle through heat treatment on die block 21, then start centre gripping biax cylinder 25, the movable plate 24 that drives the front and back end through centre gripping biax cylinder 25 moves simultaneously, and then drive the side form 22 through installation piece 23 and remove, make the side form 22 of front and back symmetry live plastic bottle body centre gripping parcel, wherein die block 21 up end and side form 22 keep away from the terminal surface of movable plate 24 and all set up the corrugated surface of laminating mutually with the plastic bottle outer wall, then maintain the plastic bottle inner wall at shaping device 3, treat that the maintenance is accomplished after, under outside cooling device's drive, make cooling body 26 carry out the water-cooling to the plastic bottle.

The cooling mechanism 26 comprises a flow channel 261, a water inlet pipe 262 and a water outlet pipe 263, an S-shaped flow channel 261 is formed in the side mold 22 from top to bottom, the upper end of the flow channel 261 is communicated with the water outlet pipe 263, the water outlet pipe 263 is communicated with an external cooling device, the lower end of the flow channel 261 is communicated with the water inlet pipe 262, and the water inlet pipe 262 is communicated with the external cooling device; in the specific operation, after finishing the inner wall of the plastic bottle, the external cooling device is driven to allow cooling water to enter the S-shaped channel 261 of the side mold 22 through the water inlet pipe 262, so that the cooling water moves upward from the bottom of the channel 261 until the cooling water is discharged from the water outlet pipe 263 and returns to the external cooling device again, and when the cooling water flows in the channel 261 of the side mold 22, the plastic bottle is cooled by water through the side mold 22.

The lower end of the moving plate 24 is provided with a dovetail block 241, the upper end of the workbench 1 is provided with a dovetail groove 242 in sliding fit with the dovetail block 241, and the dovetail block 241 is arranged to ensure that the moving plate 24 moves stably and further ensure the stable butt joint of the two side dies 22, so that plastic bottles subjected to high-temperature treatment are wrapped.

The shaping device 3 comprises a top plate 31, a support rod 32, a lifting cylinder 33, a bearing frame 34, a shaping shaft 35, an auxiliary block 36, a shaping motor 37, a sealing mechanism 38, an inner shaping mechanism 39, a chain wheel 310, a transmission chain 311 and a U-shaped frame 312, wherein the top plate 31 is arranged above the workbench 1, the top plate 31 is fixed on the workbench 1 through the support rod 32, the bearing frames 34 are distributed below the top plate 31, the bearing frame 34 is sleeved on the support rod 32 in a sliding manner, the lifting cylinders 33 are connected to the left side and the right side of the upper end of the bearing frame 34, the upper ends of the lifting cylinders 33 are arranged on the top plate 31, the shaping shafts 35 are arranged on the bearing frame 34 at equal intervals from left to right, the upper end of one of the shaping shafts 35 is connected with the output end of the shaping motor 37 through a coupler, the shaping motor 37 is arranged on the U-shaped frame 312 through a motor seat, the U-shaped frame 312 is fixed on the bearing frame 34, the shaping shaft 35 is provided with chain wheels 310 through splines, the chain wheels 310 are connected through a transmission chain 311, the lower end surface of the top of the bearing frame 34 is provided with sealing mechanisms 38 which are in one-to-one correspondence with the shaping shaft 35, the lower end of the shaping shaft 35 is rotatably provided with an auxiliary block 36, and the shaping shaft 35 is provided with an inner shaping mechanism 39; during specific work, the lifting cylinder 33 is started, the lifting cylinder 33 drives the bearing frame 34 to move downwards, the bearing frame 34 slides downwards on the supporting rod 32, meanwhile, the bearing frame 34 drives the shaping shaft 35 to move towards the interior of the plastic bottle until the auxiliary block 36 at the lower end of the shaping shaft 35 is in contact with the bottom of the plastic bottle through the air bag 384, after the air bag 384 is filled with gas, the air bag 384 is in contact with the inner wall of the plastic bottle, the inner shaping mechanism 39 is started, then the shaping motor 37 is started, the shaping motor 37 drives the shaping shaft 35 to rotate, and due to the fact that the shaping shafts 35 are matched with the transmission chain 311 through the chain wheel 310, all the shaping shafts 35 are enabled to rotate synchronously, the shaping shaft 35 drives the inner shaping mechanism 39 to rotate, and the inner wall of the plastic bottle is trimmed through the air bag 384.

Sealing mechanism 38 include fixed block 381, go-between 382, grafting piece 383 and gasbag 384, install fixed block 381 and grafting piece 383 through the bearing on the shaping axle 35, the lower extreme at fixed block 381 is connected to grafting piece 383, go-between 382 is installed to fixed block 381 upper end, terminal surface under the bearing frame 34 top is installed to go-between 382, be connected with the gasbag 384 on the grafting piece 383 lateral wall, shaping axle 35 lower extreme, supplementary piece 36 and interior plastic mechanism 39 all are located inside the gasbag 384.

The plug-in block 383 is provided with an air pipe 38a, one end of the air pipe 38a is communicated with the inside of the air bag 384, and the other end of the air pipe 38a penetrates through the fixing block 381 to be communicated with an external air conveying device.

When the support frame 34 moves up and down, the fixing block 381 is driven to move up and down synchronously through the connecting block 392, the support frame 34 and the fixing block 381 are further enabled to drive the shaping shaft 35 to move up and down simultaneously, the air bag 384 and the inner shaping mechanism 39 move synchronously, so that the air bag 384 and the inner shaping mechanism 39 enter the plastic bottle, the air bag 384 and the inner shaping mechanism are communicated with an external air conveying device through the air conveying pipe 38a, gas in the external air conveying device enters the air bag 384 through the air conveying pipe 38a, the air bag 384 is stretched and then tightly attached to the inside of the plastic bottle, the air bag 384 carries out trimming to the inner wall of the plastic bottle to a certain degree, and the gas in the air bag 384 is conveyed back to the external air conveying device through the air conveying pipe 38a after finishing.

The inner shaping mechanism 39 comprises a spreading rod 391, a connecting block 392, a spreading double-shaft cylinder 393, a driving block 394, a spreading rod 395, a first shaping bar 396 and an inner shaping branched chain 397, the spreading rod 391 is arranged outside the shaping shaft 35, the spreading rod 391 is symmetrically distributed by taking the shaping shaft 35 as a center, the upper end and the lower end of the spreading rod 391 are fixed on the shaping shaft 35 through the connecting block 392, the spreading double-shaft cylinder 393 is installed on the spreading rod 391, it is required to be noted that an air guide pipe connected to the spreading double-shaft cylinder 393 penetrates through the fixing block 381 and the inserting block 383, the air guide pipe is in sealing fit with the fixing block 381 and the inserting block 383, so that the air bag 384 cannot leak, the air guide pipe connected to the spreading double-shaft cylinder 393 can share one air conveying device with the air conveying pipe 38a, the output end of the double-shaft spreading cylinder 393 is connected with the driving block 394, and the driving block 391 is sleeved on the spreading rod in a sliding, the driving block 394 is connected with one end of each extending rod 395 in a rotating mode, the two extending rods 395 are distributed in a vertically symmetrical mode, a vertical first shaping strip 396 is arranged on the outer side of the shaping shaft 35, the other ends of the two extending rods 395 are connected to the upper end and the lower end of the first shaping strip 396 in a rotating mode respectively, and the driving block 394 located at the upper end of the unfolding double-shaft cylinder 393 is connected with an inner shaping branched chain 397.

The inner shaping branched chain 397 comprises an auxiliary sleeve 39a, a spring 39b, a sliding block 39c, a connecting rod 39d and a second shaping bar 39e, the auxiliary sleeve 39a is connected to the upper end of the driving block 394 at the upper end of the unfolding double-shaft cylinder 393, the auxiliary sleeve 39a is slidably sleeved on the unfolding rod 391, the unfolding rod 391 is located above the auxiliary sleeve 39a, the sliding block 39c is slidably arranged on the unfolding rod 391, the spring 39b is sleeved on the unfolding rod 391, two ends of the spring 39b are respectively connected to the auxiliary sleeve 39a and the sliding block 39c, the connecting rod 39d is rotatably mounted on the sliding block 39c, the second shaping bar 39e is rotatably connected to the upper end of the first shaping bar 396, and the upper end of the second shaping bar 39e is rotatably connected to the other end of the connecting rod 39 d.

When the plastic bottle unfolding machine works specifically, the unfolding double-shaft cylinder 393 is started, the output end of the unfolding double-shaft cylinder 393 drives the upper and lower driving blocks 394 to move back and forth, the driving blocks 394 drive the stretching rods 395 to move, the first shaping bar 396 moves towards the inner side wall of the plastic bottle until the first shaping bar 396 is attached to the inner side wall of the plastic bottle through the air bag 384, the first shaping bar 396 drives the lower end of the second shaping bar 39e to move towards the inner side wall of the plastic bottle 394, the upper driving block drives the auxiliary sleeve 39a to move upwards, the sliding block 39c is pushed to move upwards through the spring 39b, the connecting rod 39d rotates, the upper end of the second shaping bar 39e moves towards the inner side wall of the plastic bottle, the second shaping bar 39e is attached to the inner side wall of the plastic bottle through the air bag 384, the shaping shaft 35 rotates under the action of the shaping motor 37, the shaping shaft 35 drives the first shaping bar 396, the second shaping bar 39e and the shaping shaft 35 to rotate around, thereby realizing that the first shaping strip 396 and the second shaping strip 39e finish the inner side wall of the plastic bottle through the air bag 384.

Gasbag 384 be high temperature resistant material, prevent that the plastic bottle of high temperature from scalding gasbag 384, lead to gasbag 384 gas leakage, and then can't carry out the repairment to the plastic bottle inner wall.

The invention comprises the following working steps: the first step is as follows: firstly, the heated plastic bottle is placed on the bottom die 21, and then the side die 22 clamps and wraps the plastic bottle.

The second step is that: the lifting cylinder 33 drives the shaping shaft 35 to move downwards, so that the inner shaping mechanism 39 and the air bag 384 move to the inside of the plastic bottle, then the air is conveyed into the air bag 384 through the air conveying pipe 38a, the air bag 384 is expanded and contacts with the inner wall of the plastic bottle, then the inner shaping mechanism 39 is started, and then under the action of the shaping motor 37, the inner shaping mechanism 39 trims the inner side wall of the plastic bottle through the air bag 384.

The third step: when the plastic bottle is finished, the inner shaping mechanism 39 still finishes the inner side wall of the plastic bottle, and simultaneously the plastic bottle is cooled through the cooling mechanism 26, so that the plastic bottle is prevented from being sunk again, and after the plastic bottle is cooled, the shaping device 3 and the clamping device 2 are restored to take out the plastic bottle.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plastic shaping processing machinery behind plastic bottle blow molding, includes workstation (1), clamping device (2) and shaping device (3), its characterized in that: the upper end of the workbench (1) is provided with a clamping device (2) and a shaping device (3), and the clamping device (2) is positioned below the middle part of the shaping device (3); wherein:

the clamping device (2) comprises a bottom die (21), side dies (22), mounting blocks (23), a moving plate (24), clamping double-shaft cylinders (25) and a cooling mechanism (26), the bottom die (21) is installed at the upper end of the workbench (1) from left to right at equal intervals, the side dies (22) which are symmetrical front and back are arranged at the upper end of the bottom die (21) in a sliding mode, the mounting blocks (23) are installed on the side walls, back to back, of the side dies (22), the front and back symmetrical moving plates (24) are arranged at the upper end of the workbench (1) in a sliding mode, the mounting blocks (23) are connected to the moving plate (24), the clamping double-shaft cylinders (25) which are symmetrical left and right are installed at the upper end of the workbench (1) through cylinder seats, the output ends of the clamping double-shaft cylinders (25) are connected to the;

shaping device (3) include roof (31), bracing piece (32), lift cylinder (33), bearing frame (34), plastic axle (35), auxiliary block (36), plastic motor (37), sealing mechanism (38), interior plastic mechanism (39), sprocket (310), driving chain (311) and U type frame (312), workstation (1) top is provided with roof (31), roof (31) are fixed on workstation (1) through bracing piece (32), roof (31) below distributes and has bearing frame (34), bearing frame (34) slip cover is established on bracing piece (32), bearing frame (34) upper end left and right sides is connected with lift cylinder (33), install on roof (31) lift cylinder (33) upper end, bearing frame (34) are from a left side to right equidistant installation and are had shaping axle (35), one of them shaping axle (35) upper end is connected with plastic motor (37) output through being connected with shaping motor (37) output The shaping motor (37) is mounted on a U-shaped frame (312) through a motor base, the U-shaped frame (312) is fixed on a bearing frame (34), the shaping shaft (35) is provided with chain wheels (310) through splines, the chain wheels (310) are connected through a transmission chain (311), the lower end face of the top of the bearing frame (34) is provided with sealing mechanisms (38) which are in one-to-one correspondence with the shaping shaft (35), the lower end of the shaping shaft (35) is rotatably provided with an auxiliary block (36), and the shaping shaft (35) is provided with an inner shaping mechanism (39);

the sealing mechanism (38) comprises a fixing block (381), a connecting ring (382), an inserting block (383) and an air bag (384), the fixing block (381) and the inserting block (383) are installed on the shaping shaft (35) through bearings, the inserting block (383) is connected to the lower end of the fixing block (381), the connecting ring (382) is installed at the upper end of the fixing block (381), the connecting ring (382) is installed on the lower end face of the top of the bearing frame (34), the air bag (384) is connected to the outer side wall of the inserting block (383), and the lower end of the shaping shaft (35), the auxiliary block (36) and the inner shaping mechanism (39) are located inside the air bag (384);

the inner shaping mechanism (39) comprises an unfolding rod (391), a connecting block (392), unfolding double-shaft cylinders (393), a driving block (394), stretching rods (395), a first shaping bar (396) and an inner shaping branched chain (397), wherein the unfolding rod (391) is arranged on the outer side of the shaping shaft (35), the unfolding rods (391) are symmetrically distributed by taking the shaping shaft (35) as a center, the upper end and the lower end of each unfolding rod (391) are fixed on the shaping shaft (35) through the connecting block (392), the unfolding rods (393) are installed on the unfolding rods (391), the output ends of the unfolding double-shaft cylinders (393) are connected with the driving block (394), the driving block (394) is slidably sleeved on the unfolding rods (391), the driving block (394) is rotatably connected with one end of each stretching rod (395), the two stretching rods (395) are symmetrically distributed up and down, the first vertical shaping bar (396) is arranged on the outer side of the shaping shaft (35), the other ends of the two stretching rods (395) are respectively and rotatably connected to the upper end and the lower end of a first shaping bar (396), and the driving block (394) positioned at the upper end of the stretching double-shaft cylinder (393) is connected with an inner shaping branched chain (397).

2. The plastic bottle post-blow molding shaping and processing machine as claimed in claim 1, wherein: cooling body (26) including runner (261), inlet tube (262) and outlet pipe (263), from last S type runner (261) down having seted up in side form (22), runner (261) upper end is linked together with outlet pipe (263), outlet pipe (263) are linked together with external cooling device, runner (261) lower extreme is linked together with inlet tube (262), inlet tube (262) and external cooling device intercommunication.

3. The plastic bottle post-blow molding shaping and processing machine as claimed in claim 1, wherein: the inner shaping branched chain (397) comprises an auxiliary sleeve (39a), a spring (39b), a sliding block (39c), a connecting rod (39d) and a second shaping strip (39e), the upper end of a driving block (394) at the upper end of the unfolding double-shaft cylinder (393) is connected with the auxiliary sleeve (39a), the auxiliary sleeve (39a) is sleeved on the unfolding rod (391) in a sliding mode, the unfolding rod (391) is located above the auxiliary sleeve (39a) and is provided with the sliding block (39c) in a sliding mode, the unfolding rod (391) is sleeved with the spring (39b), two ends of the spring (39b) are connected to the auxiliary sleeve (39a) and the sliding block (39c) respectively, the connecting rod (39d) is installed on the sliding block (39c) in a rotating mode, the upper end of the first shaping strip (396) is connected with the second shaping strip (39e) in a rotating mode, the upper end of the second shaping strip (39e) is rotatably connected with the other end of the connecting rod (39 d).

4. The plastic bottle post-blow molding shaping and processing machine as claimed in claim 1, wherein: the air delivery pipe (38a) is installed on the plug-in block (383), one end of the air delivery pipe (38a) is communicated with the inside of the air bag (384), and the other end of the air delivery pipe (38a) penetrates through the fixing block (381) to be communicated with an external air delivery device.

5. The plastic bottle post-blow molding shaping and processing machine as claimed in claim 1, wherein: the air bag (384) is made of high-temperature resistant materials.

6. The plastic bottle post-blow molding shaping and processing machine as claimed in claim 1, wherein: the lower end of the moving plate (24) is provided with a dovetail block (241), and the upper end of the workbench (1) is provided with a dovetail groove (242) in sliding fit with the dovetail block (241).