CN112123740A - A kind of injection blowing blow molding machine demoulding auxiliary mechanism - Google Patents

Abstract

The invention relates to a demoulding auxiliary mechanism of an injection blowing blow molding machine, which comprises a frame, a translation mechanism is installed on the frame, a mold clamping mechanism is installed on the translation mechanism, and a cooling mold is installed in the mold clamping mechanism, and a product clamp is installed in the mold clamping mechanism. The holding mechanism is installed on the side of the translation mechanism, the conveying line is installed at the lower part of the product clamping mechanism, and the bottle dividing mechanism is installed on one side of the conveying line. As a further improvement of the present invention, the lower part of the frame is provided with adjustment plates on all sides, the adjustment plates are vertically threaded to connect the adjustment screws and locked by nuts, and the bottom of the adjustment screws is rotated and installed with a universal wheel. The invention has simple structure and small occupied space; the demolding action is continuous and smooth, the processes such as cooling and conveying can be completed automatically, and the operation is reliable; the parts are easy to manufacture, and the precision is easy to ensure; Good performance, quick replacement of wearing parts, and convenient maintenance.

Description

A kind of injection blowing blow molding machine demoulding auxiliary mechanism

technical field

The invention belongs to the technical field of blow molding and demolding, and relates to a demolding auxiliary mechanism of an injection blowing hollow molding machine.

Background technique

The injection blowing hollow plastic products are inflated in the blow cavity of the blow mold station. After the inflation molding, they have to be cooled and shaped for a period of time. During the process of cooling and shaping, the equipment is in an idle state. In order to improve the equipment For production efficiency, the cold setting process is carried out on the auxiliary equipment. The demolding auxiliary mechanism of the injection blowing blow molding machine is to take out the inflated products from the demolding station, and then transfer them to the cooling setting mold for secondary blowing. Expansion, cooling and shaping, and finally realize the leakage detection, take out, translation, inversion, bottle separation and transportation of the cooled and shaped products from the cooling and shaping die.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a mold release auxiliary mechanism for an injection blowing blow molding machine, which can solve the above problems.

According to the technical solutions provided by the present invention: A mold release auxiliary mechanism for an injection blowing blow molding machine, comprising a frame, a translation mechanism is installed on the frame, a mold clamping mechanism is installed on the translation mechanism, and a mold clamping mechanism is installed in the mold clamping mechanism. The mold is cooled, the product clamping mechanism is installed on the side of the translation mechanism, the conveying line is installed at the lower part of the product clamping mechanism, and the bottle dividing mechanism is installed on one side of the conveying line.

As a further improvement of the present invention, the lower part of the frame is provided with adjustment plates on all sides, the adjustment plates are vertically threaded to connect the adjustment screws and locked by nuts, and the bottom of the adjustment screws is rotated and installed with a universal wheel.

As a further improvement of the present invention, the translation mechanism includes a table board and a horizontal support, the horizontal support is installed on the frame, a machine support plate is installed on the bottom surface of the table board, and the machine support board is installed On the frame, a machine base plate is installed on the side, a sliding base is arranged on one side of the machine base plate, and a sliding guide column is connected horizontally and parallel between the machine base plate and the sliding base. A guide rail is installed, a slider is slidably installed on the guide rail, the side of the slider is connected to a horizontal support plate, a screw rod is rotated and installed in the horizontal support, and a translation motor is arranged above the screw rod, and the translation motor passes through the transmission structure The lead screw is driven to rotate. The transmission structure includes a lead screw synchronizing wheel and a synchronous belt. One end of the lead screw is installed with a lead screw synchronizing wheel. The output shaft of the translation motor is mounted with a motor synchronizing wheel. The synchronous belt is connected to the screw synchronizing wheel, the outer periphery of the screw rod is sleeved with a screw nut, and the screw nut is located in a horizontal nut seat, and the horizontal nut seat is connected to the slider.

As a further improvement of the present invention, the mold clamping mechanism includes a lower mold seat, the lower part of the lower mold seat is slidably connected to the sliding guide column, and the upper part of the lower mold seat is vertically connected to the lower end of the mold opening and closing guide column, so A fixing plate is installed on the upper end of the mold opening and closing guide column, an upper mold seat is slidably installed on the opening and closing mold guide column, a mold clamping cylinder is installed on the fixed plate, and the piston end of the mold clamping cylinder is vertically downward, connecting the Upper die holder.

As a further improvement of the present invention, the cooling mold includes a cooling mold upper mold and a cooling mold lower mold, the cooling mold upper mold is installed on the side of the upper mold base, and the cooling mold lower mold is installed in the middle of the lower mold base.

As a further improvement of the present invention, the product clamping mechanism includes a clamping base, a clamping bracket is installed on the clamping base, a clamping translation mechanism is installed on the clamping bracket, and a flipping mechanism is installed on the clamping translation mechanism A lifting mechanism is installed on the turning mechanism, a bottle-taking seat is installed on the lifting mechanism, and a bottle-taking tip is installed on the bottle-taking seat; the clamping and translation mechanism includes a driven side plate and an active side plate, so The driven side plate and the active side plate are respectively located on both sides of the clamping bracket, a driving wheel is rotatably installed in the active side plate, and a clamping translation driven wheel is rotatably installed in the driven side plate. The driving wheel is connected with the clamping translation driven wheel through the clamping translation synchronous belt. The driving wheel is driven by the clamping translation servo motor installed on one side through the clamping translation reducer. The clamping plane is installed above the clamping bracket. A clamping and translational slide block is slidably arranged on the clamping and translational guide rail, the clamping and translational slide block is connected to a clamping and translational timing belt, a slider base is installed on the clamping and translational slide block, and the sliding block base is installed on the clamping and translational slide block. The top plate of the clamping and translational slider is installed on the upper plate of the clamping and translational slider, and the top plate of the clamping and translational slider is installed on the side plate of the clamping and translational slider; A turning pin is rotatably installed in the turning bearing seat, one end of the turning pin is fixedly connected to the output end of the turning cylinder, and the other end is connected to the turning arm; the lifting mechanism includes a lifting cylinder, and the piston end of the lifting cylinder is installed with the lifting a bottle seat, on which the bottle-taking suction head is installed.

As a further improvement of the present invention, the bottle-separating mechanism includes a lifting frame, a bottle-separating guide rail is vertically installed on the lifting frame, and a bottle-separating slider is symmetrically slidably installed on the bottle-separating guide rail, and between the bottle-separating sliders A bottle-separating slider seat is installed, a bottle-separating cylinder seat is installed on the upper part of the lifting frame, a bottle-separating lifting cylinder is installed in the bottle-separating cylinder seat, and the piston end of the bottle-separating lifting cylinder is connected to the bottle-separating slider seat, and the A bottle-separating connecting plate is installed on one side of the bottle-separating slider seat, a bottle-sleeve seat bracket is installed horizontally on the bottle-separating connecting plate, a bottle-sleeve seat is installed on the bottle-sleeve seat bracket, and a bottle sleeve is installed on the bottle-sleeve seat. A baffle mounting block is installed on the other side of the bottle separating slider seat, and the baffle mounting block is connected to the baffle cylinder mounting plate through a right-angle support. The baffle cylinder mounting plate is installed at the bottom of the baffle cylinder, and the baffle cylinder piston A transition plate is installed at the end, and a baffle plate is installed horizontally at the upper end of the transition plate.

As a further improvement of the present invention, the lifting frame includes a horizontal bar, the horizontal bar is symmetrically arranged up and down, the vertical bars are connected on both sides of the horizontal bar, and the bottle-separating guide rails are installed in parallel with the guide rail pressing plates on the vertical bars, so The bottle-separating cylinder seat is installed on the upper horizontal bar.

The positive and progressive effects of this application are:

The invention has simple structure and small occupied space; the demolding action is continuous and smooth, the processes such as cooling and conveying can be completed automatically, and the operation is reliable; the parts are easy to manufacture, and the precision is easy to ensure; Good performance, quick replacement of wearing parts, and convenient maintenance.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic side view of the structure of the present invention.

3-5 are schematic structural diagrams of the translation mechanism, the mold clamping mechanism, and the cooling mold of the present invention.

6-8 are schematic diagrams of the structure of the product clamping mechanism of the present invention.

9-11 are schematic structural diagrams of the bottle dividing mechanism of the present invention.

Detailed ways

The specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

In Figure 1-11, it includes table top 1-1, machine support plate 1-2, machine bottom plate 1-3, guide post nut 1-4, sliding guide post 1-5, lower die base 2-6, sliding Base 1-7, guide column pressure plate 1-8, opening and closing mold guide column nut 9, pin 10, horizontal support plate 1-11, screw nut 1-12, guide rail 1-13, horizontal support 1-14, Screw synchronous wheel 1-15, synchronous belt 1-16, motor synchronous wheel 1-17, translation motor 1-18, screw 1-19, mold opening and closing guide post 2-20, ejector pin 21, upper mold seat 2 -22, fixed plate 2-23, mold clamping cylinder 2-24, cooling mold upper mold 3-1, cooling mold lower mold 3-2, horizontal nut seat 1-27, slider 1-28, bottle-separating lifting cylinder 6 -1. Cross bar 6-2, baffle mounting block 6-3, bottle sleeve 6-4, baffle 6-5, bottle dividing slider seat 6-6, bottle dividing connecting plate 6-7, guide rail pressure plate 6- 8. Transition plate 6-9, vertical rod 6-10, bottle dividing guide 6-11, bottle dividing rod 6-12, right-angle support 6-13, conveyor belt 6, baffle cylinder 6-15, bottle sleeve Seat 6-16, baffle cylinder mounting plate 6-17, bottle dividing cylinder seat 6-18, fixing bracket 6-19, bottle sleeve seat bracket 6-20, bottle dividing slider 6-21, etc.

As shown in Figures 1-2, the present invention is an injection blowing blow molding machine demoulding auxiliary mechanism, including a frame 7, the translation mechanism 1 is installed on the frame 7, and faces the demolding worker of the injection blowing blow molding machine. Position, the clamping mechanism 2 is installed on the front end of the translation mechanism 1, and is fixed with the frame 7, the cooling mold 3 is divided into two parts, the upper and lower molds, installed in the clamping mechanism 2, and the product clamping mechanism 4 is installed on the side of the translation mechanism 1, fixed On the frame 7 , the conveying line 5 is installed on the lower part of the product clamping mechanism 4 , fixed in the middle of the frame 7 , and the bottle-separating mechanism 6 is installed on one side of the conveying line 5 .

The lower part of the frame 7 is provided with an adjustment plate 7-1 on all sides, and the vertical thread in the adjustment plate 7-1 is connected with the adjustment screw 7-2, and is locked by a nut. The bottom of the adjustment screw 7-2 is rotated to install a universal wheel, loosen Open the nut and turn the adjusting screw to adjust the height of the frame 7 so that it is connected to the injection blowing blow molding machine. After adjusting the structure, the nut can be locked.

As shown in Figure 3-5, the translation mechanism 1 includes a table board 1-1 and a horizontal support 1-14. The horizontal support 1-14 is installed on the rack 7, and the bottom surface of the table board 1-1 is installed with a machine support plate 1 -2, the machine support plate 1-2 is installed on the rack 7, the machine base plate 1-3 is installed on the side, the sliding base 1-7 is installed on one side of the machine base plate 1-3, the machine base plate 1-3 is connected with the sliding base The bases 1-7 are connected horizontally and parallel to the sliding guide posts 1-5, the guide rails 1-13 are installed in the horizontal support 1-14, the sliders 1-28 are slidably installed on the guide rails 1-13, and the side surfaces of the sliders 1-28 Connect the horizontal support plate 1-11, rotate and install the screw rod 1-19 in the horizontal support 1-14, the screw rod 1-19 is located in the middle of the guide rail 1-13, and there is a translation motor 1-18 above the screw rod 1-19. The motor 1-18 drives the screw 1-19 to rotate through the transmission structure. The transmission structure includes the screw synchronous wheel 1-15 and the synchronous belt 1-16. The screw 1-19 is installed with the screw synchronous wheel 1-15, and the translation motor 1 -18 The output shaft is installed with the motor synchronous wheel 1-17, and the motor synchronous wheel 1-17 is connected to the screw synchronous wheel 1-15 through the synchronous belt 1-16. The outer periphery of the screw rod 1-19 is sleeved with a screw rod nut 1-12, the screw rod nut 1-12 is located in the horizontal nut seat 1-27, and the horizontal nut seat 1-27 is connected to the slider 1-28.

The sliding guide posts 1-5 are fixedly connected to the machine base plate 1-3 through the guide post nuts 1-4, and the sliding base 1-7 is fixedly connected to the sliding guide posts 1-5 through the guide post pressure plate 1-8.

The translation motors 1-18 are servo motors with high rotation precision.

A mold clamping mechanism 2 is installed in the translation mechanism 1. The mold clamping mechanism 2 includes a lower mold base 2-6, the lower part of the lower mold base 2-6 is slidably connected to the sliding guide posts 1-5, and the upper part of the lower mold base 2-6 is vertically connected The lower end of the opening and closing mold guide column 2-20, the upper end of the opening and closing mold guide column 2-20 is installed with the fixed plate 2-23, the upper mold base 2-22 is slidably installed on the opening and closing mold guide column 2-20, and the fixed plate 2-23 is installed Install the clamping cylinder 2-24, the piston end of the clamping cylinder 2-24 is vertically downward, and connect the upper die base 2-22.

The lower end of the mold opening and closing guide column 2-20 is vertically installed on the upper part of the lower mold base 2-6 through the mold opening and closing guide column nut 9 .

A cooling mold 3 is installed in the mold clamping mechanism 2, and the cooling mold 3 includes a cooling mold upper mold 3-1 and a cooling mold lower mold 3-2. A cooling mold upper mold 3-1 is installed on the side of the upper mold base 2-22, a cooling mold lower mold 3-2 is installed in the middle of the lower mold base 2-6, and the cooling mold lower mold 3-2 is located below the cooling mold upper mold 3-1.

As shown in Figure 6-8, the product clamping mechanism 4 includes a clamping base 4-13, a clamping bracket 4-14 is installed on the clamping base 4-13, and clamping connecting plates 4 are used at both ends of the clamping bracket 4-14 -11 is fixed, the clamping and translation mechanism is installed on the clamping bracket 4-14, the flipping mechanism is installed on the clamping and translation mechanism, the lifting mechanism is installed on the flipping mechanism, the bottle holder 4-6 is installed on the lifting mechanism, and the bottle holder 4-6 is installed Install bottle-taking tips 4-8 on it.

The clamping translation mechanism includes a driven side plate 4-10 and an active side plate 4-17. The driven side plate 4-10 and the active side plate 4-17 are respectively located on both sides of the clamping bracket 4-14, and the active side plate 4- In 17, the translation drive wheel 4-28 is rotated and installed by the active bearing seat 4-18, and the translation driven wheel 4-27 is rotated and installed in the driven side plate 4-10, and the translation drive wheel 4-28 is clamped and clamped. The moving driven pulley 4-27 is connected by clamping the translation timing belt 4-15. The clamping translation driving wheel 4-28 is driven by the clamping translation servo motor 4-24 installed on one side through the clamping translation reduction gear 4-23. Install the clamping translation rail 4-26 above the clamping bracket 4-14, fix the clamping translation rail pressure plate 4-12 on both sides of the clamping translation guide rail 4-26, and slide the clamping translation rail 4-26 to set the clamping translation sliding Block 4-16, clamping translation slider 4-16 is connected to clamping translation timing belt 4-15, clamping translation slider base 4-20 is installed on clamping translation slider 4-16, clamping translation slider base 4 The side plate 4-21 of the clamping translation slider is installed on the -20, and the top plate 4-22 of the clamping translation slider is installed on the side plate 4-21 of the clamping translation slider.

In order to enhance the strength of the mechanism, a clamping translation driven reinforcement plate 4-9 and a clamping translation active reinforcement plate 4-19 are installed above the driven side plate 4-10 and the active side plate 4-17, respectively.

The clamping translation reducer 4-23 is installed on one side of the active side plate 4-17, and the clamping translation servo motor 4-24 is installed on the clamping translation reducer 4-23.

The turning mechanism includes a turning bearing seat 4-3, the turning bearing seat 4-3 is installed on the top plate 4-22 of the clamping translation slider, a turning cylinder 4-1 is arranged on one side of the turning bearing seat 4-3, and the turning bearing seat 4-3 is Rotate and install the flip pin 4-4, one end of the flip pin 4-4 is fixedly connected to the output end of the flip cylinder 4-1 through the flip bearing housing cover 4-2, and the other end of the flip pin 4-4 is connected to the flip arm 4-5 .

The lifting mechanism includes a lifting cylinder 4-7, the lifting cylinder 4-7 is installed on the turning arm 4-5, the bottle holder 4-6 is installed on the piston end of the lifting cylinder 4-7, and the bottle suction head 4-8 is installed on the bottle Blocks 4-6.

Install the flip positioning block 4-25 on one side of the flip bearing seat 4-3.

The clamping brackets 4-14 are profile brackets, which have low production cost and high work efficiency.

As shown in Figure 9-11, the bottle-separating mechanism 6 includes a lifting frame. The bottle-separating guide rail 6-11 is vertically installed on the lifting frame. Between blocks 6-21, install the bottle-separating slider seat 6-6, install the bottle-separation cylinder seat 6-18 on the upper part of the lifting frame, install the bottle-separation lift cylinder 6-1 in the bottle-separation cylinder seat 6-18, and install the bottle-separation lift cylinder 6 -1 The piston end is vertically downward, and is connected to the bottle-separating slider seat 6-6 through the bottle-separating rod 6-12. The bottle-separating slider seat 6-6 is installed with the bottle-separating connecting plate 6-7 on the side of the conveying line 5. , Install the bottle cover holder bracket 6-20 on the bottle connecting plate 6-7, install the bottle cover seat 6-16 on the bottle cover seat bracket 6-20, install the bottle cover seat 6-16 on the bottle cover seat 6-4, divide Install the baffle mounting block 6-3 on the other side of the bottle slider base 6-6. The baffle mounting block 6-3 is connected to the baffle cylinder mounting plate 6-17 through a right-angle support, and the baffle cylinder mounting plate 6-17 is installed at the bottom of the baffle plate. Plate cylinder 6-15, the piston end of the baffle cylinder 6-15 faces the conveying line 5, and install the transition plate 6-9, the upper end of the transition plate 6-9 is horizontally installed with the baffle 6-5, and the baffle 6-5 is located in the bottle sleeve seat 6-16 below.

The lifting frame is in the form of a rectangular parallelepiped, including a cross bar 6-2, the horizontal bar 6-2 is symmetrically arranged up and down, the two sides of the cross bar 6-2 are connected to the vertical bar 6-10, the vertical bar 6-10 and the baffle mounting block 6-3 A right-angle support 6-13 is set between them for reinforcement. A guide rail pressure plate 6-8 is used to install the bottle dividing guide rail 6-11 on the vertical rod 6-10, and the bottle dividing cylinder block 6-18 is installed on the upper horizontal rod 6-2.

The side of the conveyor line 5 is fixedly installed with the lifting frame through the fixing brackets 6-19.

The working process of the present invention is as follows:

The cooling mold 3 is in the mold opening state through the mold clamping mechanism 2. When the product on the mandrel in the injection blowing blow molding machine is transferred to the demolding station, the translation mechanism 1 moves forward to the demolding station, while bringing the mold clamping Mechanism 2 moves forward, and after advancing in place, the product on the mandrel in the injection blowing blow molding machine descends and falls into the cooling mold 3, and at the same time, the clamping mechanism 2 performs the clamping action. The product is further cooled and shaped in the cooling mold 3. After completion, the horizontal mechanism 1 and the clamping mechanism 2 retreat together to separate the product from the mandrel and retreat to the final position. Then the product clamping mechanism 4 moves laterally from the side to make each bottle-taking head align with the center of the product, and then the horizontal mechanism 1 advances a certain distance to make the bottle-taking head enter the interior of the product, and then the clamping mechanism 2 opens the mold, and the product clamping mechanism 4. Rise up, bring the product to the original position, and turn it over 90°, so that the product falls into the bottle-separating mechanism 6, and the bottle-separating mechanism 6 moves down with the product, puts the product on the conveying line 5, and passes through the conveying line 5. Move the product to the specified location.

The translation motor 1-18 drives the motor synchronous wheel 1-17 to rotate, drives the screw synchronous wheel 1-15 through the synchronous belt 1-16, and then drives the screw 1-19 to rotate. At the same time, the screw nut 1-12 and the horizontal nut seat 1 -27 moves forward, the slider 1-28 drives the horizontal support plate 1-11 and the lower mold base 2-6 to move forward, and the mold clamping cylinder 2-24 moves after entering the position, and the upper mold base 2-22 acts on the mold clamping cylinder 2-24 The lower mold is closed, the upper mold 3-1 of the cooling mold moves to the lower mold 3-2 of the cooling mold, and the cylinder maintains a certain pressure after the mold is closed. , After retreating in place, the mold clamping cylinder 2-24 moves, and the mold is opened with the upper mold base 2-22, the cooling mold and the upper mold 3-1 move up, and the mold is opened.

Clamping translation servo motor 4-24 drives clamping translation reducer 4-23 clamping translation driving wheel 4-28 clamping translation timing belt 4-15 to rotate, and clamping translation slider 4-16 drives clamping translation slider The top plate 4-22 moves horizontally, so that the bottle pick-up head 4-8 moves forward. After it is in place, the cylinder 4-7 is lifted to take in the rodless cavity, and the bottle pick-up head 4-8 rises for a certain distance, clamping the translation servo motor 4- 24 Reverse the rotation to make the bottle picker 4-8 return to the original position, lift the cylinder 4-7 rodless cavity to inhale again, raise it to the right position, turn the cylinder 4-1 to take in air, and make the bottle picker 4-8 rotate 90° , When the product falls into the bottle sleeve, the inversion cylinder 4-1 is reversed and reset, the lifting cylinder 4-7 has a rod cavity for air intake, and the bottle suction head 4-8 is lowered to the original position.

After the product falls into the bottle sleeve 6-4, the rodless cavity of the bottle-separating lifting cylinder 6-1 takes in air, which drives the bottle-separating slider seat 6-6 to move down, and at the same time, the product also moves down a certain distance, and then moves to the switch position. At this time, the baffle cylinder 6-15 has a rod cavity for air intake, the baffle 6-5 retracts, and the product falls from the bottle sleeve 6-4 to the conveying line 5. At this time, the bottle-separating and lifting cylinder 6-1 has a rod cavity for air intake. Drive the bottle dividing slider seat 6-6 and the bottle sleeve 6-4 to move up to the original position, and then the baffle cylinder 6-15 has no rod cavity for air intake, and the baffle 6-5 extends to block right below the bottle sleeve. The product is conveyed to the designated position along the conveying line 5 .

Claims (8)

1. The utility model provides an annotate and blow hollow molding machine drawing of patterns complementary unit which characterized in that: the mechanism comprises a frame (7), a translation mechanism (1) is installed on the frame (7), a mold clamping mechanism (2) is installed on the translation mechanism (1), a cooling mold (3) is installed in the mold clamping mechanism (2), a product clamping mechanism (4) is installed on the side face of the translation mechanism (1), a conveying line (5) is installed on the lower portion of the product clamping mechanism (4), and a bottle separating mechanism (6) is installed on one side of the conveying line (5).

2. The injection blow molding machine demolding-assist mechanism as claimed in claim 1, wherein: the adjustable wheel is characterized in that adjusting plates (7-1) are arranged on the peripheral side faces of the lower portion of the rack (7), the adjusting plates (7-1) are vertically connected with adjusting screws (7-2) in a threaded mode and locked through nuts, and universal wheels are rotatably mounted at the bottoms of the adjusting screws (7-2).

3. The injection blow molding machine demolding-assist mechanism as claimed in claim 1, wherein: the translation mechanism (1) comprises a table top plate (1-1) and horizontal supports (1-14), the horizontal supports (1-14) are installed on the rack (7), a machine table supporting plate (1-2) is installed on the bottom surface of the table top plate (1-1), the machine table supporting plate (1-2) is installed on the rack (7), a machine table bottom plate (1-3) is installed on the side surface of the machine table bottom plate (1-3), a sliding base (1-7) is arranged on one side of the machine table bottom plate (1-3), sliding guide columns (1-5) are transversely and parallelly connected between the machine table bottom plate (1-3) and the sliding base (1-7), guide rails (1-13) are installed in the horizontal supports (1-14), sliding blocks (1-28) are installed on the guide rails (1-13), and the side surfaces of the sliding blocks (1-28) are connected with the horizontal supporting plates, a screw rod (1-19) is rotatably mounted in the horizontal support (1-14), a translation motor (1-18) is arranged above the screw rod (1-19), the translation motor (1-18) drives the screw rod (1-19) to rotate through a transmission structure, the transmission structure comprises a screw rod synchronous wheel (1-15) and a synchronous belt (1-16), one end of the screw rod (1-19) is provided with the screw rod synchronous wheel (1-15), an output shaft of the translation motor (1-18) is provided with a motor synchronous wheel (1-17), the motor synchronous wheel (1-17) is connected with the screw rod synchronous wheel (1-15) through the synchronous belt (1-16), a screw rod nut (1-12) is sleeved on the periphery of the screw rod (1-19), and the screw rod nut (1-12) is positioned in a horizontal nut seat (1-27), the horizontal nut seat (1-27) is connected with a sliding block (1-28).

4. The injection blow molding machine demolding-assist mechanism as claimed in claim 3, wherein: the die closing mechanism (2) comprises a lower die base (2-6), the lower portion of the lower die base (2-6) is connected to the sliding guide post (1-5) in a sliding mode, the upper portion of the lower die base (2-6) is vertically connected with the lower end of the die opening and closing guide post (2-20), a fixing plate (2-23) is installed at the upper end of the die opening and closing guide post (2-20), an upper die base (2-22) is installed on the die opening and closing guide post (2-20) in a sliding mode, a die closing cylinder (2-24) is installed on the fixing plate (2-23), and the piston end of the die closing cylinder (2-24) faces downwards vertically and is connected with the upper die base.

5. The injection blow molding machine demolding-assist mechanism as claimed in claim 4, wherein: the cooling die (3) comprises an upper cooling die (3-1) and a lower cooling die (3-2), the upper cooling die (3-1) is installed on the side face of the upper die base (2-22), and the lower cooling die (3-2) is installed in the middle of the lower die base (2-6).

6. The injection blow molding machine demolding-assist mechanism as claimed in claim 1, wherein: the product clamping mechanism (4) comprises a clamping base (4-13), a clamping support (4-14) is installed on the clamping base (4-13), a clamping translation mechanism is installed on the clamping support (4-14), a turnover mechanism is installed on the clamping translation mechanism, a lifting mechanism is installed on the turnover mechanism, a bottle taking seat (4-6) is installed on the lifting mechanism, and a bottle taking suction head (4-8) is installed on the bottle taking seat (4-6); the clamping translation mechanism comprises driven side plates (4-10) and driving side plates (4-17), the driven side plates (4-10) and the driving side plates (4-17) are respectively positioned at two sides of the clamping supports (4-14), driving wheels (28) are rotatably mounted in the driving side plates (4-17), clamping translation driven wheels (4-27) are rotatably mounted in the driven side plates (4-10), the driving wheels (28) are connected with the clamping translation driven wheels (4-27) through clamping translation synchronous belts (4-15), the driving wheels (28) are driven by clamping translation servo motors (4-24) mounted at one side through clamping translation speed reducers (4-23), and clamping translation guide rails (4-26) are mounted above the clamping supports (4-14), the clamping translation guide rails (4-26) are provided with clamping translation sliding blocks (4-16) in a sliding mode, the clamping translation sliding blocks (4-16) are connected with clamping translation synchronous belts (4-15), sliding block bases (20) are installed on the clamping translation sliding blocks (4-16), clamping translation sliding block side plates (4-21) are installed on the sliding block bases (20), and clamping translation sliding block top plates (4-22) are installed on the clamping translation sliding block side plates (4-21); the turnover mechanism comprises a turnover bearing seat (4-3), a turnover cylinder (4-1) is arranged on one side of the turnover bearing seat (4-3), a turnover rotating pin (4-4) is rotatably mounted in the turnover bearing seat (4-3), one end of the turnover rotating pin (4-4) is fixedly connected with the output end of the turnover cylinder (4-1), and the other end of the turnover rotating pin is connected with a turnover arm (4-5); the lifting mechanism comprises a lifting cylinder (4-7), the piston end of the lifting cylinder (4-7) is provided with the bottle taking seat (4-6), and the bottle taking suction head (4-8) is arranged on the bottle taking seat (4-6).

7. The injection blow molding machine demolding-assist mechanism as claimed in claim 1, wherein: the bottle separating mechanism (6) comprises a lifting frame, bottle separating guide rails (6-11) are vertically arranged on the lifting frame, bottle separating sliding blocks (6-21) are symmetrically and slidably arranged on the bottle separating guide rails (6-11), bottle separating sliding block seats (6-6) are arranged between the bottle separating sliding blocks (6-21), bottle separating cylinder seats (6-18) are arranged on the lifting frame, a bottle separating lifting cylinder (6-1) is arranged in the bottle separating cylinder seat (6-18), the piston end of the bottle separating lifting cylinder (6-1) is connected with the bottle separating sliding block seats (6-6), a bottle separating connecting plate (6-7) is arranged on one side of the bottle separating sliding block seat (6-6), a bottle sleeve seat support (6-20) is horizontally arranged on the bottle separating connecting plate (6-7), and bottle sleeve seats (6-16) are arranged on the bottle sleeve seat support (6-20), the bottle separating device is characterized in that a bottle sleeve (6-4) is installed on the bottle sleeve seat (6-16), a baffle installation block (6-3) is installed on the other side of the bottle separating slide block seat (6-6), the baffle installation block (6-3) is connected with a baffle cylinder installation plate (6-17) through a right-angle support, a baffle cylinder (6-15) is installed at the bottom of the baffle cylinder installation plate (6-17), a transition plate (6-9) is installed at the piston end of the baffle cylinder (6-15), and a baffle (6-5) is horizontally installed at the upper end of the transition plate (6-9).

8. The injection blow molding machine demolding-assist mechanism as claimed in claim 7, wherein: the lifting frame comprises a cross rod (6-2), the cross rod (6-2) is arranged horizontally and symmetrically from top to bottom, two sides of the cross rod (6-2) are connected with vertical rods (6-10), bottle separating guide rails (6-11) are arranged on the vertical rods (6-10) in parallel by guide rail pressing plates (6-8), and bottle separating cylinder seats (6-18) are arranged on the cross rod (6-2) above.

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