CN216001396U

CN216001396U - 1.5-step injection molding and bottle blowing integrated machine

Info

Publication number: CN216001396U
Application number: CN202120648038.5U
Authority: CN
Inventors: 冯伟君
Original assignee: Taizhou Dagegelan Packaging Machinery Co ltd
Current assignee: Taizhou Dagegelan Packaging Machinery Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2022-03-11
Anticipated expiration: 2031-03-30

Abstract

The invention has the technical scheme that the 1.5-step injection and bottle blowing integrated machine comprises an injection molding machine, a bottle blank transfer device, a bottle blank division and exchange workbench, a bottle blank feeding device, a conveying chain, a bottle blank heating device, a blow molding device and a bottle discharging device, wherein the bottle blank transfer device comprises a transverse movement mechanism, a longitudinal movement mechanism and a vertical movement mechanism, the lower end head of the vertical movement mechanism is rotatably connected with a bottle blank clamp, the bottom surface of the bottle blank clamp is provided with a plurality of clamping heads corresponding to product cavities of a mold of the injection molding machine, the bottle blanks are moved to the bottle blank division and exchange workbench through the bottle blank transfer device after being clamped by the clamping heads, the bottle blank division and exchange workbench adjusts the space among the bottle blanks to the space corresponding to the conveying chain, the bottle blank feeding device enters the conveying chain, and the bottle blank feeding device and the blow molding device sequentially blow the bottle blank into a bottle which is then taken down by the bottle discharging device. The invention reduces the heating time, does not damage the surface of the product and improves the production efficiency of the bottle blowing machine.

Description

1.5-step injection molding and bottle blowing integrated machine

Technical Field

The invention relates to a bottle blowing machine, in particular to a 1.5-step injection molding and bottle blowing integrated machine.

Background

Plastic bottles are widely used in daily life and applied to various industries, and the plastic bottles are produced by blowing through a bottle blowing machine. The prior bottle blowing machine is basically formed in structure and mature in technology, and mainly comprises a bottle blank feeding device, a conveying chain device, a bottle blank heating device, a blow molding device and a discharging device, wherein the bottle blanks injected from an injection molding machine are collected and conveyed to the bottle blowing machine in a whole box, the bottle blanks are placed in the conveying chain device through the feeding device by manpower or a mechanical arm, the bottles are produced through the bottle blank heating device and the blow molding device in sequence, and then the bottles are taken down through the discharging device, so that the mode is commonly called a two-step bottle blowing machine in the industry, and the main structure is shown in figure 1. This approach has several drawbacks: 1. when bottle blanks produced by an injection molding machine are collected and transported in a whole box, the surfaces of the bottle blanks are very easy to scratch, and products with high requirements on the surface quality of a plurality of bottles, such as cosmetic bottles and the like, can cause unqualified surface quality of the bottles blown by the blow molding machine to become waste products; 2. the bottle base is moulded plastics and is come out and fill a whole case, needs the longer time, then collects loading attachment department again after the transportation through whole case again, and whole process can be consuming time longer, and the bottle base all can be in the cooling state, and when bottle base heating device, the time is short only heats the surface easily, and inside does not reach predetermined temperature, can influence later stage blowing process, and the heat time increases then can reduce production efficiency.

Disclosure of Invention

Aiming at the problems, the invention aims to provide the 1.5-step injection molding and bottle blowing integrated machine which is novel in structure, high in production efficiency, free of scratching the surface of a bottle blank in the production process and good in surface quality of a blown product.

The invention adopts the technical scheme that the 1.5-step injection and bottle blowing integrated machine comprises an injection molding machine, a bottle blank transfer device, a bottle blank distribution exchange workbench, a bottle blank feeding device, a conveying chain, a bottle blank heating device, a blow molding device and a bottle discharging device, wherein the bottle blank transfer device comprises a transverse movement mechanism, a longitudinal movement mechanism and a vertical movement mechanism, the lower end of the vertical movement mechanism is rotatably connected with a bottle blank clamp, the bottom surface of the bottle blank clamp is provided with a plurality of clamping heads corresponding to product cavities of a mold of the injection molding machine, the bottle blanks are moved to the bottle blank distribution exchange workbench through the bottle blank transfer device after being clamped by the clamping heads, the space between the bottle blanks is adjusted to the space corresponding to the conveying chain by the bottle blank distribution exchange workbench, the bottle blanks enter the conveying chain through the bottle blank feeding device and sequentially pass through the bottle blank heating device, And the blow molding device is used for blowing the bottle and then taking down the bottle through the bottle discharging device.

Preferably, the lower end of the vertical movement mechanism is rotatably connected with a bottle blank clamp through a rotary cylinder, and the clamping heads comprise a front row and a rear row, wherein each row is provided with a plurality of clamping heads.

Preferably, the transverse movement mechanism comprises a transverse guide rail and a transverse driving motor, the longitudinal movement mechanism comprises a first longitudinal guide rail and a longitudinal driving motor, the vertical movement mechanism comprises a first vertical guide rail and a vertical driving motor, the vertical movement mechanism is arranged on the transverse guide rail, and the transverse movement mechanism is arranged on the first longitudinal guide rail.

Preferably, the bottle blank dividing and exchanging workbench comprises a workbench, wherein a mounting hole and a rotating sleeve are arranged on the workbench, the rotating sleeve is rotatably arranged in a connecting flange through a bearing, the connecting flange is arranged in the mounting hole, the upper end of the rotating sleeve is connected with a rotating plate, the lower end of the rotating sleeve is connected with a driven belt pulley, a first motor is arranged below the workbench, the first motor drives the driven belt pulley to rotate through a driving belt pulley and a driving belt, the bottom of the rotating sleeve is provided with a second motor, the second motor is connected with a transmission shaft, the transmission shaft is rotatably arranged in the rotating sleeve through a bearing, the top end of the transmission shaft penetrates through an inner hole of the rotating plate and then is connected with a rotating disc, the rotating plate is provided with sliding rails along the left side and the right side of the length direction, and a plurality of symmetrical sliding blocks are arranged on the left sliding rail and the right sliding rail, the bottle blank inserting device is characterized in that bottle blank inserting blocks for inserting bottle blanks are connected to the tops of the sliding blocks, hinged parts are arranged on the inner side faces of the sliding blocks, two obliquely crossed and vertically symmetrical connecting rods are hinged to each hinged part, the upper ends and the lower ends of the connecting rods on two adjacent sliding blocks are hinged together, pull rods are transversely arranged on the front and rear groups of sliding blocks which are symmetrical with respect to the center on the rotating plate, connecting rods are sleeved on the front and rear pull rods, and the other ends of the connecting rods are respectively fixed to the front and rear ends of the rotating plate.

Preferably, the first motor is arranged on the workbench through an adjusting block, a waist-shaped step hole is arranged on the adjusting block, a limiting block is connected on the workbench on the side surface of the adjusting block, a first adjusting screw rod is connected on the limiting block in a threaded manner, the front end of the adjusting screw is propped against the adjusting block, the lower end of the adjusting block is connected with the mounting plate below through the connecting column, the lower part of the mounting plate is connected with a first motor through a connecting column, the first motor is connected with a main shaft through a speed reducer and a coupler, the main shaft is provided with a driving belt wheel, the upper end and the lower end of the main shaft are respectively arranged on the adjusting block and the mounting plate through bearings, limiting plates are arranged at the front end and the rear end of the sliding rail on the rotating plate, a second adjusting screw rod is connected to the limiting plates in a threaded mode, and the connecting rod and the pull rod and the connecting rod and the rotating disc are matched through spherical pairs.

Preferably, the bottle blank feeding device comprises a guide rail arranged on a workbench, one end of the guide rail is positioned outside a bottle blank separating and exchanging workbench, the other end of the guide rail is positioned outside a conveying chain, belt pulleys are arranged at two ends of the guide rail, a synchronous belt is arranged between the two belt pulleys, a driving motor is arranged below one belt pulley, a moving block is arranged on the guide rail and connected to the synchronous belt, a vertical guide rail II and a vertical cylinder are arranged on the moving block, a vertical sliding block is arranged on the vertical guide rail II, a vertical connecting block is connected to the vertical sliding block, a transverse connecting plate is arranged at the top of the vertical connecting block, a longitudinal guide rail II and a longitudinal cylinder are arranged on the transverse connecting plate, a longitudinal sliding block is arranged on the longitudinal guide rail II, the front end of a piston rod of the longitudinal cylinder is connected to the longitudinal sliding block, and bottle blank clamping jaws are arranged at equal intervals along the transverse direction at the front end of the longitudinal sliding block, the distance between the bottle blank clamping jaws corresponds to the distance between the conveying chains, and the bottle blank clamping jaws are clamped through pneumatic clamping.

The invention can convey the bottle blanks which are just injected to the bottle blowing machine in batches, and realize the distance division so that the distance between the bottle blanks corresponds to the distance between the conveying chains, thereby reducing the heating time, not damaging the surface of the product and improving the production efficiency of the bottle blowing machine.

Drawings

FIG. 1 is a schematic structural diagram of a conventional two-step bottle blowing machine;

FIG. 2 is a schematic structural view of the preform removing jig apparatus of the present invention when removing a preform from an injection molding machine;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic structural diagram of the present invention showing a bottle preform being placed on a preform dividing exchange table by a clamping head;

FIG. 5 is a schematic view showing the construction of the preform transfer apparatus for removing preforms from an injection molding machine according to the present invention;

FIG. 6 is a schematic structural view of the bottle blank transfer device for transferring a bottle blank onto a blank-dividing exchanging table;

FIG. 7 is a schematic structural view of a preform blank dividing exchange workbench according to the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 from another perspective;

FIG. 9 is a cross-sectional view of the preform blank changing station of the present invention;

FIG. 10 is a schematic structural view of the bottle blank after being separated from the blank-separating exchange workbench;

FIG. 11 is a schematic structural view of a preform loading device according to the present invention;

FIG. 12 is a schematic view of the structure of FIG. 11 from another perspective;

FIG. 13 is a schematic structural view of the bottle preform loading device of the present invention when taking out the bottle preforms from the preform dividing exchange workbench;

FIG. 14 is a schematic view of the preform loading device transferring preforms onto a conveyor chain according to the present invention;

FIG. 15 is a schematic view of a bottle preform heating apparatus according to the present invention;

FIG. 16 is a schematic view of a blow molding apparatus according to the present invention;

FIG. 17 is a schematic view of the bottle discharging device of the present invention gripping bottles from a conveyor chain;

FIG. 18 is a schematic view of the bottle discharging device of the present invention when a bottle is clamped;

wherein: 1-injection molding machine; 2-a bottle blank transfer device; 21-a transverse movement mechanism; 211-transverse guide; 212-transverse drive motor; 22-longitudinal movement mechanism; 221-longitudinal rail one; 222-longitudinal drive motor; 23-a vertical movement mechanism; 231-a vertical guide rail I; 232-vertical driving motor; 24-a bottle blank clamp; 25-a clamping head; 3-bottle blank dividing and exchanging workbench; 301-rotating the sleeve; 302-a connecting flange; 303-rotating the plate; 304-a driven pulley; 305 — a first electric machine; 306-a driving pulley; 307-transmission belt; 308-a second motor; 309-drive shaft; 310 — a rotating disk; 311-a slide rail; 312 — a slider; 313-inserting a bottle blank into a block; 314-a hinge; 315-connecting rod; 316-a pull rod; 317, connecting rods; 318-a regulating block; 319-waist step hole; 320-a limiting block; 321-adjusting the screw rod I; 322-a mounting plate; 323-speed reducer; 324-a coupling; 325 — main shaft; 326-limiting plate; 327-adjusting screw II; 4, a bottle blank feeding device; 401-guide rails; 402-a pulley; 403-synchronous belt; 404 — a driving motor; 405-moving block; 406-vertical guide rail two; 407-vertical cylinder; 408-vertical slide block; 409-vertical connecting block; 410-transverse web; 411-longitudinal guide rail two; 412-longitudinal cylinder; 413-longitudinal slide; 414-preform gripper; 5-a conveyor chain; 6-bottle blank heating device; 7-a blow molding device; 8, a bottle discharging device; 9-the work level.

Detailed Description

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

As shown in fig. 2 to 14, the invention provides a 1.5-step injection and bottle blowing integrated machine, which comprises an injection molding machine 1, a bottle blank transfer device 2, a bottle blank division and exchange workbench 3, a bottle blank feeding device 4, a conveying chain 5, a bottle blank heating device 6, a blow molding device 7 and a bottle discharging device 8, wherein the bottle blank transfer device 2 comprises a transverse movement mechanism 21, a longitudinal movement mechanism 22 and a vertical movement mechanism 23, a bottle blank clamp 24 is rotatably connected at the lower end of the vertical movement mechanism 23, a plurality of clamping heads 25 corresponding to mold cavities of a mold product of the injection molding machine are arranged at the bottom of the bottle blank clamp 24, the bottle blanks are moved to the bottle blank division and exchange workbench 3 through the bottle blank transfer device 2 after being clamped by the clamping heads 25, the bottle blank division and exchange workbench 3 adjusts the space between the bottle blanks to the space corresponding to the conveying chain 5, the bottle blanks enter a conveying chain 5 through a bottle blank feeding device 4, are blown into bottles through a bottle blank heating device 6 and a blow molding device 7 in sequence, and are taken down through a bottle discharging device 8.

Preferably, the lower end of the vertical movement mechanism 23 is rotatably connected with a bottle blank clamp 24 through a rotary cylinder, the clamping heads 25 comprise a front row and a rear row, each row is provided with a plurality of clamping heads, the clamping heads can select a sucking disc, and the sucking discs can adsorb bottle blanks when contacting the bottom of the outer surface of the bottle blanks.

Preferably, the lateral movement mechanism 21 includes a lateral guide rail 211 and a lateral driving motor 212, the longitudinal movement mechanism 22 includes a first longitudinal guide rail 221 and a longitudinal driving motor 222, the vertical movement mechanism 23 includes a first vertical guide rail 231 and a vertical driving motor 232, the vertical movement mechanism 23 is disposed on the lateral guide rail 211, and the lateral movement mechanism 21 is disposed on the first longitudinal guide rail 221.

Preferably, the bottle blank dividing and exchanging workbench 3 comprises a workbench 9, a mounting hole and a rotating sleeve 301 are arranged on the workbench 9, the rotating sleeve 301 is rotatably mounted in a connecting flange 302 through a bearing, the connecting flange 302 is mounted in the mounting hole, the upper end of the rotating sleeve 301 is connected with a rotating plate 303, the lower end of the rotating sleeve 301 is connected with a driven pulley 304, a first motor 305 is arranged below the workbench 9, the first motor 305 drives the driven pulley 304 to rotate through a driving pulley 306 and a transmission belt 307, the bottom of the rotating sleeve 301 is provided with a second motor 308, the second motor 308 is connected with a transmission shaft 309, the transmission shaft 309 is rotatably mounted in the rotating sleeve 301 through a bearing, the top end of the transmission shaft 309 is connected with a rotating disc 310 after penetrating through an inner hole of the rotating plate 303, the rotating plate 303 is provided with slide rails 311 along the left and right sides of the length direction, a plurality of symmetrical sliding blocks 312 are arranged on the left sliding rail 311 and the right sliding rail 311, a bottle blank inserting block 313 for inserting a bottle blank is connected to the top of each sliding block 312, a hinged portion 314 is arranged on the inner side surface of each sliding block 312, two obliquely crossed and vertically symmetrical connecting rods 315 are hinged to each other on each hinged portion 314, the upper ends and the lower ends of the connecting rods 315 on the two adjacent sliding blocks 312 are hinged together, pull rods 316 are transversely arranged on the front sliding block 312 and the rear sliding block 312 which are symmetrical with respect to the center on the rotating plate 303, connecting rods 317 are sleeved on the front pull rod 316 and the rear pull rod 316, and the other ends of the connecting rods 317 are respectively fixed at the front end and the rear end of the rotating plate 310.

Preferably, first motor 305 is installed on workstation 9 through regulating block 318, waist type step hole 319 has been seted up on the regulating block 318, be connected with stopper 320 on the workstation 9 of regulating block 318 side, threaded connection has adjusting screw 321 on the stopper 320, adjusting screw 321 front end supports and holds on regulating block 318, the mounting panel 322 of below is connected through the spliced pole to regulating block 318 lower extreme, be connected with first motor 305 through the spliced pole below mounting panel 322, first motor 305 is through connecting main shaft 325 behind reduction gear 323 and shaft coupling 324, install driving pulley 306 on the main shaft 325, install respectively on regulating block 318 and mounting panel 322 through the bearing in the main shaft 325 lower extreme, both ends are provided with limiting plate 326 around the slide rail 311 on rotor plate 303, threaded connection has adjusting screw two 327 on limiting plate 326, the connecting rod 317 and the pull rod 316 as well as the connecting rod 317 and the rotating disc 310 are matched through spherical pairs.

Preferably, the bottle blank feeding device 4 comprises a guide rail 401 arranged on the workbench 9, one end of the guide rail 401 is positioned outside the bottle blank dividing and exchanging workbench 3, the other end of the guide rail 401 is positioned outside the conveying chain 5, belt pulleys 402 are arranged at two ends of the guide rail 401, a synchronous belt 403 is arranged between the two belt pulleys 402, a driving motor 404 is arranged below one belt pulley 402, a moving block 405 is arranged on the guide rail 401, the moving block 405 is connected to the synchronous belt 403, a vertical guide rail two 406 and a vertical cylinder 407 are arranged on the moving block 405, a vertical sliding block 408 is arranged on the vertical guide rail two 406, a vertical connecting block 409 is connected to the vertical sliding block 408, a transverse connecting plate 410 is arranged at the top of the vertical connecting block 409, a longitudinal guide rail two 411 and a longitudinal cylinder 412 are arranged on the transverse connecting plate 410, a longitudinal sliding block 413 is arranged on the longitudinal guide rail two 411, the front end of a piston rod of the longitudinal cylinder 412 is connected to a longitudinal sliding block 413, bottle blank clamping jaws 414 are arranged at the front end of the longitudinal sliding block 413 at equal intervals along the transverse direction, the interval between the bottle blank clamping jaws 414 corresponds to the interval between the conveying chains 5, and the bottle blank clamping jaws 414 are clamped through pneumatic clamping.

In the invention, the injection molding machine part adopts the existing common injection molding machine on the market, when in use, the plastic granules are used for injection molding of bottle blanks through the injection molding machine, and based on the design of one mold and multiple cavities in the mold, the space between the bottle blanks needs to be arranged smaller, so that more bottle blank products can be injected by one-time injection molding. After the mold of the injection molding machine is opened, the bottle blank transfer device 2 moves the bottle blank clamp 24 in place through the three-axis linkage of the transverse movement mechanism 21, the longitudinal movement mechanism 22 and the vertical movement mechanism 23, and turns over 90 degrees through the rotating cylinder, so that the clamping head 25 is aligned to the bottom of the bottle blank, and all the bottle blanks injected on the mold are taken out at one time.

Then, the bottle preform is moved to the preform dividing exchange workbench 3 by the three-axis linkage of the transverse movement mechanism 21, the longitudinal movement mechanism 22 and the vertical movement mechanism 23, and then placed, and at this time, the bottle preform is as shown in fig. 6 and 7.

Then, the second motor 308 is controlled to rotate, the second motor 308 drives the transmission shaft 309 to rotate, the rotating disc 310 is driven to rotate until the connecting rod 317 is in the farthest state, so that the distance between the sliding blocks 312 is in the largest state, then the first motor 305 is controlled to rotate, the driven pulley 304 is driven to rotate through the driving pulley 306 and the transmission belt 307, the rotating sleeve 301 is driven to rotate 90 degrees, meanwhile, the rotating plate 303 synchronously rotates 90 degrees, in the process, the second motor 308 drives the rotating disc 310 to keep synchronously rotating, and finally, the state shown in fig. 10 is achieved, and at the moment, the distance between the bottle blanks is matched with the distance between the transmission chains 5.

Then, a driving motor 404 on the bottle blank feeding device 4 drives a belt pulley 402 to rotate to drive a synchronous belt 493 to move, the synchronous belt 403 drives a moving block 405 to slide to the bottle blank distribution exchange workbench 3 along a guide rail 401, a vertical cylinder 407 and a longitudinal cylinder 412 control a bottle blank clamping jaw 414 to move in place, the bottle blank clamping jaw 414 clamps the bottle blank through pneumatic clamping, and then the bottle blank is moved to a conveying chain 5 and placed on the conveying chain 5 through three-axis linkage matched among the vertical cylinder 407, the longitudinal cylinder 412 and the driving motor 404.

Next, a conventional preform heating process, a blow molding process, and a bottle blanking process are performed, as shown in fig. 15 to 18. Conveying chain 5 carries the bottle base to heat on bottle base heating device 6, because the time that the bottle base distance was moulded plastics out is shorter this moment, and the bottle base is inside still hot, so need the time of heating shorter in bottle base heating device 6, shortened heating time, improved production efficiency. The bottle preform is then fed into a blow molding device 7 to be blow molded into a bottle product, wherein the blow molding device 7 is an existing mechanism, and the specific structure can be diversified, for example, the applicant's prior application patent nos. 2018207268912 and 2018207268946, which are also a blow molding mechanism of a bottle blowing machine, and the finished bottle is subsequently removed by a bottle discharging device 8. In the process, the conveying chain 5, the bottle blank heating device 6, the blow molding device 7 and the bottle blanking device 8 are mature mechanisms in the bottle blowing machine industry.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a 1.5 step method bottle blowing all-in-one of moulding plastics which characterized in that: the bottle blank transfer device comprises an injection molding machine (1), a bottle blank transfer device (2), a bottle blank division and exchange workbench (3), a bottle blank feeding device (4), a conveying chain (5), a bottle blank heating device (6), a blow molding device (7) and a bottle discharging device (8), wherein the bottle blank transfer device (2) comprises a transverse movement mechanism (21), a longitudinal movement mechanism (22) and a vertical movement mechanism (23), a bottle blank clamp (24) is rotatably connected to the lower end of the vertical movement mechanism (23), a plurality of clamping heads (25) corresponding to product cavities of an injection molding machine mold are arranged on the bottom surface of the bottle blank clamp (24), the bottle blanks are moved to the bottle blank division and exchange workbench (3) through the bottle blank transfer device (2) after being clamped by the clamping heads (25), the bottle blank division and exchange workbench (3) adjusts the distance between the bottle blanks to the distance corresponding to the conveying chain (5), the bottle blanks enter the conveying chain (5) through the bottle blank feeding device (4), are blown into bottles through the bottle blank heating device (6) and the blow molding device (7) in sequence, and are taken down through the bottle discharging device (8).

2. The 1.5-step injection molding and bottle blowing integrated machine according to claim 1, which is characterized in that: the lower end of the vertical movement mechanism (23) is rotatably connected with a bottle blank clamp (24) through a rotary cylinder, and the clamping heads (25) comprise a front row and a rear row, wherein each row is provided with a plurality of clamping heads.

3. The 1.5-step injection molding and bottle blowing integrated machine according to claim 2, which is characterized in that: the transverse movement mechanism (21) comprises a transverse guide rail (211) and a transverse driving motor (212), the longitudinal movement mechanism (22) comprises a longitudinal guide rail I (221) and a longitudinal driving motor (222), the vertical movement mechanism (23) comprises a vertical guide rail (231) and a vertical driving motor (232), the vertical movement mechanism (23) is arranged on the transverse guide rail (211), and the transverse movement mechanism (21) is arranged on the longitudinal guide rail I (221).

4. The 1.5-step injection molding and bottle blowing integrated machine according to claim 1, which is characterized in that: the bottle blank dividing and exchanging workbench (3) comprises a workbench (9), a mounting hole and a rotating sleeve (301) are formed in the workbench (9), the rotating sleeve (301) is rotatably mounted in a connecting flange (302) through a bearing, the connecting flange (302) is mounted in the mounting hole, a rotating plate (303) is connected to the upper end of the rotating sleeve (301), a driven belt wheel (304) is connected to the lower end of the rotating sleeve (301), a first motor (305) is arranged below the workbench (9), the first motor (305) drives the driven belt wheel (304) to rotate through a driving belt wheel (306) and a driving belt (307), a second motor (308) is mounted at the bottom of the rotating sleeve (301), a transmission shaft (309) is connected to the second motor (308), and the transmission shaft (309) is rotatably mounted in the rotating sleeve (301) through a bearing, the top end of the transmission shaft (309) penetrates through the inner hole of the rotating plate (303) and then is connected with a rotating disc (310), the left side and the right side of the rotating plate (303) along the length direction are provided with slide rails (311), a plurality of symmetrical slide blocks (312) are arranged on the left slide rail (311) and the right slide rail (311), the top of the sliding block (312) is connected with a bottle blank inserting block (313) for inserting a bottle blank, the inner side surface of the sliding block (312) is provided with a hinged part (314), each hinged part (314) is hinged with two obliquely crossed and vertically symmetrical connecting rods (315), the upper ends and the lower ends of the connecting rods (315) on two adjacent sliding blocks (312) are hinged together, pull rods (316) are transversely arranged on the front and rear groups of sliding blocks (312) which are symmetrical about the center on the rotating plate (303), connecting rods (317) are sleeved on the front and rear pull rods (316), the other end of the connecting rod (317) is respectively fixed at the front end and the rear end of the rotating disc (310).

5. The 1.5-step injection molding and bottle blowing integrated machine according to claim 4, which is characterized in that: first motor (305) is installed on workstation (9) through regulating block (318), waist type step hole (319) have been seted up on regulating block (318), be connected with stopper (320) on workstation (9) of regulating block (318) side, threaded connection has adjusting screw (321) on stopper (320), adjusting screw (321) front end supports and holds on regulating block (318), mounting panel (322) of below is connected through the spliced pole to regulating block (318) lower extreme, mounting panel (322) below is connected with first motor (305) through the spliced pole, first motor (305) pass through main shaft (325) of connection behind reduction gear (323) and shaft coupling (324), install driving pulley (306) on main shaft (325), main shaft (325) upper and lower extreme is installed respectively on regulating block (318) and mounting panel (322) through the bearing, limiting plates (326) are arranged at the front end and the rear end of a sliding rail (311) on the rotating plate (303), a second adjusting screw (327) is connected to the limiting plates (326) in a threaded mode, and the connecting rod (317) is matched with the pull rod (316) and the connecting rod (317) is matched with the rotating disc (310) through spherical pairs.

6. The 1.5-step injection molding and bottle blowing integrated machine according to claim 4, which is characterized in that: the bottle blank feeding device (4) comprises a guide rail (401) arranged on a workbench (9), one end of the guide rail (401) is located on the outer side of a bottle blank dividing and exchanging workbench (3), the other end of the guide rail is located on the outer side of a conveying chain (5), belt pulleys (402) are arranged at two ends of the guide rail (401), a synchronous belt (403) is arranged between the two belt pulleys (402), a driving motor (404) is arranged below one belt pulley (402), a moving block (405) is arranged on the guide rail (401), the moving block (405) is connected onto the synchronous belt (403), a vertical guide rail II (406) and a vertical cylinder (407) are arranged on the moving block (405), a vertical sliding block (408) is arranged on the vertical guide rail II (406), a vertical connecting block (409) is connected onto the vertical sliding block (408), and a transverse connecting plate (410) is arranged at the top of the vertical connecting block (409), the bottle blank conveying device is characterized in that a longitudinal guide rail II (411) and a longitudinal air cylinder (412) are arranged on the transverse connecting plate (410), a longitudinal sliding block (413) is arranged on the longitudinal guide rail II (411), the front end of a piston rod of the longitudinal air cylinder (412) is connected to the longitudinal sliding block (413), bottle blank clamping jaws (414) are arranged at the front end of the longitudinal sliding block (413) at equal intervals along the transverse direction, the intervals between the bottle blank clamping jaws (414) correspond to the intervals between the conveying chains (5), and the bottle blank clamping jaws (414) are pneumatically clamped.