CN118438641A - Injection molding and bottle blowing integrated machine - Google Patents

Abstract

The invention provides an injection molding and bottle blowing integrated machine which comprises a frame, wherein a raw material melting device and a screw feeding device are arranged at the front part of the frame, a bottom plate is connected to the rear part of the frame, four corner points of the bottom plate are respectively connected with stand columns, the tops of the four stand columns are fixedly connected with an upper template, a turntable template is connected to the four stand columns below the upper template in a sliding manner, the turntable template is synchronously driven to lift by four turntable template cylinder, the center of the turntable template is provided with a turntable, the top of the turntable is connected with a turntable driving mechanism, four positions of the bottom of the turntable are respectively provided with a mold sliding block, a series of screw heads are arranged on the mold sliding blocks, an injection molding device is arranged between the two stand columns at the front side, a heating device is arranged between the two stand columns at the right side, a bottle blowing device is arranged between the two stand columns at the rear side, and a bottle removing device and a conveying belt are arranged between the two stand columns at the left side. The invention has high production efficiency and good product quality.

Description

Injection molding and bottle blowing integrated machine

Technical Field

The invention relates to the field of bottle blowing machines, in particular to an 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 structure is basically formed, the technology is mature, the prior bottle blowing machine mainly comprises a bottle blank feeding device, a conveying chain device, a bottle blank heating device, a blow molding device and a blanking device, the whole bottle blanks injected on an injection molding machine are generally collected and transported to the bottle blowing machine, the bottle blanks are placed in the conveying chain device one by one through the feeding device by manpower or a manipulator, bottles are produced sequentially through the bottle blank heating device and the blow molding device, and the bottles are subsequently taken down through the blanking device, so that the mode is commonly called as a two-step bottle blowing machine in industry. There are a number of drawbacks to this approach: 1. when the bottle blanks produced by the injection molding machine are collected and transported through a whole box, the surfaces of the bottle blanks are easily scratched, and products with high requirements on the surface quality of a plurality of bottles, such as cosmetic bottles, can cause that the surface quality of the bottles blown out is unqualified and become waste; 2. the bottle base is moulded plastics out and is filled with a whole case, needs longer time, then collects the transportation through whole case and then arrives loading attachment department again, and whole process can take time longer, and the bottle base can all be in cooling state, and when bottle base heating device, the time is short, only heats the surface easily, and inside can not reach predetermined temperature, can influence later stage blowing process, and heating time increases then can reduce production efficiency.

The applicant makes improvements to the process, applies for and obtains the patent with the name of 'a 1.5-step injection molding and bottle blowing integrated machine', and the application number is 202120648038.5, so that the production efficiency can be effectively improved, and the surface quality of a product can be improved. However, with the development of the age, the production efficiency thereof can be further improved.

Disclosure of Invention

Aiming at the problems, the invention aims to provide an injection molding and bottle blowing integrated machine which is novel in structure, high in production efficiency and good in surface quality of finished products.

The technical scheme of the invention is that the injection molding and bottle blowing integrated machine comprises a frame, wherein a raw material melting device and a screw feeding device are arranged at the front part of the frame, a bottom plate is connected at the rear part of the frame, four corner points of the bottom plate are respectively connected with stand columns, the tops of the four stand columns are fixedly connected with an upper template, a turntable template is connected on the four stand columns below the upper template in a sliding manner, the turntable template is synchronously driven to lift by four turntable template cylinders, a turntable is arranged in the center of the turntable template, a turntable driving mechanism is connected at the top of the turntable, mold sliding blocks are respectively arranged at the front, rear, left and right positions of the bottom of the turntable, a series of screw heads are arranged on the mold sliding blocks, an injection molding device is arranged between the two stand columns at the front side, a heating device is arranged between the two stand columns at the right side, a bottle blowing device is arranged between the two stand columns at the rear side, and a bottle removing device and a conveying belt are arranged between the two stand columns at the left side; the raw materials are sent into an injection molding device by a screw feeding device to be injected into bottle blanks after being melted by a raw material melting device, the bottle blanks are attached to a thread head and rotated by 90 degrees to a heating device by a rotary table to ensure the temperature of the bottle blanks, the bottle blanks are blown into bottles in a bottle blowing device by rotating the rotary table by 90 degrees again, and the bottle blanks are continuously rotated by 90 degrees to a bottle removing device to drop the bottles from the thread head to a conveying belt for conveying.

Preferably, the injection molding device comprises a mold cavity part connected to a bottom plate, a series of bottle blank cavities are arranged on the top surface of the mold cavity part, the screw feeding device is used for feeding molten raw materials into the mold cavity part from the front side surface and then dividing the molten raw materials into each bottle blank cavity, the mold sliding block and the thread heads seal the top of the mold cavity part after the turntable template is lowered into place, and each thread head correspondingly stretches into the bottle blank cavity to seal the top of the bottle blank cavity; the device comprises a mold slide block, a core pulling plate, a mold core, a core pulling rod, a left core pulling plate cylinder, a right core pulling plate cylinder, a middle pressure maintaining cylinder, a left cylinder and a right cylinder, wherein a core pulling plate is connected to two upright posts on the front side above the mold slide block in a sliding manner, a mold core is connected to the lower part of the core pulling plate, a series of core bars are arranged at the bottom of the mold core, the left cylinder and the right cylinder are arranged at an upper template above the core pulling plate, piston rods of the left cylinder and the right cylinder are connected to the core pulling plate and control the core pulling plate to lift, and the piston rods of the pressure maintaining cylinders are connected to the middle part of the core pulling plate and are used for pressurizing and maintaining pressure when the core bars are inserted into bottle blank cavities in place; when the core drawing plate descends in place, each core molding rod passes through the die sliding block and the inner hole of each thread head and then is inserted into the corresponding bottle blank cavity to realize die assembly and wait for injection molding, and the bottle blank after injection molding is fixed in the inner threaded hole of the thread head through the thread jogged at the top.

Preferably, the core pulling plate cylinder comprises a first cylinder barrel which is fixedly connected in the upper die plate and is in a straight cylindrical shape, the bottom of the first cylinder barrel is connected with the bottom of the upper die plate through a first front cylinder cover, the top of the first cylinder barrel is connected with a first rear cylinder cover, a first piston rod is arranged in the first cylinder barrel, a first piston is arranged at the top end of the first piston rod, and the bottom of the first piston rod is connected with a core pulling plate; the pressure maintaining oil cylinder comprises a second cylinder barrel fixedly connected in the upper die plate, the bottom of the second cylinder barrel is connected with the bottom surface of the upper die plate through a second front cylinder cover, the top of the second cylinder barrel is connected with a second rear cylinder cover, a second piston rod is arranged in the second cylinder barrel, the top end of the second piston rod is provided with a second piston, and the bottom of the second piston rod is connected to the core pulling plate; the inner side of the second cylinder is a stepped section and comprises a large-diameter section at the upper part and a small-diameter section at the bottom, the outer diameter of the second piston is matched with the inner diameter of the small-diameter section, a hollow guide rod is arranged at the center of the pressure maintaining cylinder, a central hole is formed in the second piston rod, and the guide rod penetrates through the central hole of the second piston rod and is matched with the inner wall of the central hole of the second piston rod.

Preferably, the guide rod top fixed connection is in second back cylinder cap center, the guide rod bottom is the cylindricality piece of evagination, and this cylindricality piece is with second piston rod centre bore looks adaptation, and this centre bore top wears out the guide rod top surface, and the bottom extends to cylindricality piece department and is provided with the exhaust hole at the lateral wall.

Preferably, the heating device comprises an upper heating mechanism and a lower heating mechanism which are arranged between the two upright posts on the right side; the upper heating mechanism comprises four vertical rods connected to the turntable template, an upper mounting plate is transversely connected to the tops of the four vertical rods, an upper heating plate sleeved on the four vertical rods is arranged below the upper mounting plate, a series of heating core rods are connected to the bottom surface of the upper heating plate, an upper heating plate oil cylinder is connected to the top of the upper mounting plate, a piston rod of the upper heating plate oil cylinder penetrates through the upper mounting plate and then is connected with the upper heating plate, the upper heating plate is controlled to lift, and when the upper heating plate descends in place, the heating core rods penetrate through a die sliding block and an inner hole of each thread head and then are inserted into bottle blanks to heat the inner sides of the bottle blanks; the lower heating mechanism comprises a fixed bottom plate connected to the bottom plate, the top of the fixed bottom plate is vertically connected with a left guide rod and a right guide rod, the top of the guide rod is connected with a lower heating fixed plate, the bottom surface of the bottom plate is connected with a lower heating oil cylinder, a piston rod of the lower heating oil cylinder penetrates through the bottom plate and the fixed bottom plate and then is connected to the bottom surface of the lower heating fixed plate, the top surface of the lower heating fixed plate is connected with a lower heating plate, a series of heating cavities are formed in the top surface of the lower heating plate, and the turntable template is controlled by the lower heating oil cylinder to rise to the proper position after being lowered to the proper position, so that each heating cavity is sleeved on the outer side of a bottle blank to heat the outer side of the bottle blank.

Preferably, the bottle blowing device comprises a mold opening and closing mechanism, a bottle blowing sealing mechanism and a bottle blowing stretching mechanism, wherein the mold opening and closing mechanism is arranged on the bottom plate and used for sealing the side surface and the bottom surface of the bottle, and the bottle blowing sealing mechanism and the bottle blowing stretching mechanism are connected to the top surface of the turntable template; the mold opening and closing mechanism comprises a movable mold assembly and a fixed mold assembly, wherein the inner side surfaces of the movable mold assembly and the fixed mold assembly are respectively provided with a shaping plate with half bottle cavities, and after the movable mold assembly and the fixed mold assembly are closed, a plurality of independent bottle cavities with closed side surfaces and closed bottom surfaces and open top surfaces are formed; the bottle blowing sealing mechanism comprises a sealing guide post connected to a turntable template, a sealing slide plate is sleeved on the sealing guide post, the top of the sealing guide post is connected with a sealing mounting plate, the top surface of the sealing mounting plate is connected with a sealing oil cylinder, a piston rod of the sealing oil cylinder is connected to the sealing slide plate through a connecting rod, the bottom of the sealing slide plate is connected with a sealing plate, each thread head on a mould slide block is inserted into a bottle cavity from the top after the turntable template descends in place, and the sealing oil cylinder controls the sealing slide plate to descend in place to seal the top of the bottle type cavity through the sealing plate; the bottle blowing stretching mechanism comprises stretching guide rods connected to four corner points of the top surface of the sealing slide plate, stretching installation plates are connected to the tops of the stretching guide rods, stretching oil cylinders are connected to the tops of the stretching installation plates, stretching plate assemblies are sleeved on the four stretching guide rods, piston rods of the stretching oil cylinders are connected to the stretching plate assemblies, a series of stretching core rods are connected to the bottom surface of the stretching plate assemblies, all the stretching core rods are driven to be inserted into inner holes of bottle blanks respectively through the stretching plate assemblies when the stretching oil cylinders descend, a series of blowing connectors are arranged on the sealing plate, the inner ends of each blowing connector are communicated with the inner holes of each bottle blank respectively, the outer ends of the blowing connectors are connected with high-pressure air sources respectively, and a bottle blowing process is achieved through combination of blowing and stretching after the die assembly and sealing actions are completed.

Preferably, the mould slider includes half left slider and half right slider, the screw thread head includes half left screw thread head and half right screw thread head, half left screw thread head is connected in half left slider, half right screw thread head is connected in half right slider, take up through extension spring between half left slider and the half right slider, half left slider and half right slider's top surface is provided with triangular groove in the both ends department of handing-over about.

Preferably, the bottle removing device comprises a demoulding guide rod connected to the turntable template, the top of the demoulding guide rod is connected with a demoulding fixed plate, the top surface of the demoulding fixed plate is connected with a demoulding oil cylinder, a demoulding movable plate is arranged on the demoulding guide rod, a piston rod of the demoulding oil cylinder is connected to the demoulding movable plate to control the lifting of the demoulding movable plate, two sides of the demoulding movable plate are connected with vertical plugboards, and the bottom of each plugboard is in a triangular structure with a wide upper part and a narrow lower part; the demolding cylinder controls the demolding moving plate to move downwards, the demolding moving plate is inserted into the triangular groove through the inserting plate to enable the left half sliding block and the right half sliding block to be separated, and then the left half threaded head and the right half threaded head are driven to be separated, so that the bottle falls onto the conveying belt to be conveyed away.

Preferably, the turntable driving mechanism comprises a mounting seat connected to the top surface of the turntable template, a servo motor is connected to the top of the mounting seat, a speed reducer, a coupler and a transmission shaft are arranged in the mounting seat, an output shaft of the servo motor is connected with the speed reducer and then is connected with the transmission shaft through the coupler, and the bottom of the transmission shaft is connected to the center of the turntable and controls the rotation angle and the rotation position of the turntable through the servo motor.

Preferably, the front, back, left and right sides of the outer side of the upright post are provided with shields.

The invention has novel structure, greatly improves the production efficiency of the bottle blowing machine, simplifies the intermediate mechanism, directly blows granular raw materials into complete bottles on one machine, and has high production efficiency and good product surface quality.

Drawings

FIG. 1 is a schematic view of a construction of the present invention with a shield;

FIG. 2 is a schematic view of the structure of FIG. 1 with a portion of the shield removed;

FIG. 3 is a schematic diagram of the structure of the injection molding device, the heating device, the bottle blowing device and the bottle removing device;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

FIG. 5 is a schematic view of a connection structure of an injection molding apparatus according to the present invention;

FIG. 6 is a schematic diagram of a connection structure of a heating device according to the present invention;

FIG. 7 is a schematic view showing a connection structure of the bottle blowing apparatus of the present invention;

FIG. 8 is a schematic view of the bottle blowing and sealing mechanism and the bottle blowing and stretching mechanism in FIG. 7;

FIG. 9 is a schematic diagram of a connection structure of the bottle removing device in the present invention;

FIG. 10 is a schematic view of the bottle-removing device, mold slide, and screw head of FIG. 9;

FIG. 11 is a schematic view of the structure of FIG. 10 with the right slider half and a portion of the right half threaded head removed;

FIG. 12 is a schematic view of the connection structure of the turntable driving mechanism, turntable, mold slide block and screw head in the present invention;

FIG. 13 is a schematic view of the structure of the core plate cylinder and the pressure maintaining cylinder in the present invention;

FIG. 14 is a cross-sectional view of the internal structure of the cylinder of FIG. 13;

FIG. 15 is a schematic view of the structure of the core plate cylinder and the dwell cylinder of FIG. 13 in a down-to-in-place position;

FIG. 16 is a cross-sectional view of the internal structure of the cylinder of FIG. 15;

Wherein: 1-a frame; 2-a raw material melting device; 3-a screw feeding device; 4-a bottom plate; 5-an upright post; 6-an upper template; 7-a turntable template; 8-a turntable template cylinder; 9-a turntable; 10-a turntable driving mechanism; 101-a mounting seat; 102-a servo motor; 11-a mold slide; 111-left half slider; 112-right half slider; 113-triangular grooves; 12-thread head; 121-left half thread head; 122-right half thread head; 13-an injection molding device; 131-a mold cavity portion; 132-a core plate; 133-a mold core; 134-core rod; 135-a core-drawing plate cylinder; 136-a pressure maintaining oil cylinder; 14-a heating device; 141-an upper heating mechanism; 1411-vertical rods; 1412—an upper mounting plate; 1413-upper heating plate; 1414—heating the mandrel; 1415—upper hotplate cylinder; 142-lower heating mechanism; 1421—a fixed base plate; 1422—a guide bar; 1423—lower heating fixture plate; 1425—lower heating plate; 1426—a heating chamber; 15-a bottle blowing device; 151-a mold opening and closing mechanism; 1511—a movable mold assembly; 1512-a stationary mold assembly; 1513-shaping plates; 152-bottle blowing and sealing mechanism; 1521—a seal guide post; 1522—a seal sled; 1523—a seal mounting plate; 1524-sealing the oil cylinder; 1525—a sealing plate; 1526—lock seal cylinder; 153-a bottle blowing stretching mechanism; 1531—stretch guide bar; 1532—stretch mounting plate; 1533—stretch cylinder; 1534—a tensile plate assembly; 1535-stretching the core rod; 154-an air blowing connector; 16-bottle removing device; 161-stripper guide bar; 162-a stripper plate; 163-demolding cylinder; 164-demoulding movable plate; 165-plugboard; 17-a conveyor belt; 18-a shield.

Detailed Description

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

As shown in fig. 1 to 4, the invention provides an injection molding and bottle blowing integrated machine, which comprises a frame 1, wherein a raw material melting device 2 and a screw feeding device 3 are arranged at the front part of the frame 1, a bottom plate 4 is connected at the rear part of the frame 1, four separate corner points of the bottom plate 4 are connected with stand columns 5, the tops of the four stand columns 5 are fixedly connected with an upper template 6, a turntable template 7 is slidingly connected on the four stand columns 5 below the upper template 6, the turntable template 7 is synchronously driven to lift by four turntable template cylinders 8 from front to back and from left to right, a turntable 9 is arranged in the center of the turntable template 7, a turntable driving mechanism 10 is connected at the top of the turntable 9, mold sliders 11 are respectively arranged at the four positions from front to back and from left to right of the bottom of the turntable 9, a series of screw heads 12 are arranged on the mold sliders 11, an injection molding device 13 is arranged between the two stand columns 5 at the front side, a heating device 14 is arranged between the two stand columns 5 at the right side, a bottle blowing device 15 is arranged between the two stand columns 5 at the left side, and a bottle removing device 16 and a conveyer belt 17 are arranged between the two stand columns 5 at the left side; the raw materials are fed into an injection molding device 13 by a screw feeding device 3 to be injected into bottle blanks after being melted by a raw material melting device 2, the bottle blanks are attached to a thread head 12, the rotation of the rotary disc 9 is 90 degrees to a heating device 14 to ensure the temperature of the bottle blanks, the rotary disc 9 is rotated for 90 degrees again to a bottle blowing device 15 to blow the bottle blanks into bottles, and the rotary disc 9 is rotated for 90 degrees continuously to a bottle removing device 16 to drop the bottles from the thread head 12 to a conveying belt 17 to be sent away.

In the above-mentioned scheme, as shown in fig. 5, the injection molding device 13 includes a mold cavity portion 131 connected to the bottom plate 4, a series of bottle blank cavities are provided on the top surface of the mold cavity portion 131, the screw feeding device 3 branches the molten raw material into each bottle blank cavity after feeding into the mold cavity portion 131 from the front side, the mold slide 11 and the screw thread head 12 seal the top of the mold cavity portion 131 after the turntable template 7 descends into place, and each screw thread head 12 correspondingly extends into the bottle blank cavity to seal the top of the bottle blank cavity; a core pulling plate 132 is connected to the front two upright posts 5 above the mold sliding block 11 in a sliding manner, a mold core 133 is connected to the lower part of the core pulling plate 132, a series of core rods 134 are arranged at the bottom of the mold core 133, a left core pulling plate cylinder 135, a right core pulling plate cylinder 135 and a pressure maintaining cylinder 136 in the middle are arranged at the upper template 6 above the core pulling plate 132, piston rods of the left core pulling plate cylinder 135 and the right core pulling plate cylinder 135 are connected to the core pulling plate 132 and control the core pulling plate 132 to lift, and piston rods of the pressure maintaining cylinders 136 are connected to the middle of the core pulling plate 132 and perform pressurization and pressure maintaining when the core rod 132 is inserted into a bottle blank cavity in place; when the core drawing plate 132 descends to the position, each core bar 134 passes through the inner holes of the die slide block 11 and each thread head 12 and then is inserted into the corresponding bottle blank cavity to realize die assembly and injection waiting, and the bottle blank after injection molding is embedded and fixed in the inner threaded hole of the thread head 12 through the thread at the top.

13-16, The core pulling plate cylinder 135 includes a first cylinder 1351 fixedly connected to the upper die plate 6 and having a straight cylindrical shape, the bottom of the first cylinder 1351 is connected to the bottom of the upper die plate 6 through a first front cylinder cover 1352, the top of the first cylinder 1351 is connected to a first rear cylinder cover 1353, a first piston rod 1354 is disposed inside the first cylinder 1351, a first piston 1355 is disposed at the top of the first piston rod 1354, and the bottom of the first piston rod 1354 is connected to the core pulling plate 132; the pressure maintaining cylinder 136 comprises a second cylinder 1361 fixedly connected in the upper die plate 6, the bottom of the second cylinder 1361 is connected with the bottom surface of the upper die plate 6 through a second front cylinder cap 1362, the top of the second cylinder 1361 is connected with a second rear cylinder cap 1363, a second piston rod 1364 is arranged in the second cylinder 1361, a second piston 1365 is arranged at the top of the second piston rod 1364, and the bottom of the second piston rod 1364 is connected to the core pulling plate 132; the second cylinder 1361 is provided with a stepped section on the inner side surface, and comprises a large-diameter section 13611 at the upper part and a small-diameter section 13612 at the bottom, the outer diameter of the second piston 1365 is matched with the inner diameter of the small-diameter section 13612, the center of the pressure maintaining cylinder 136 is provided with a hollow guide rod 1366, a central hole is arranged in the second piston rod 1364, and the guide rod 1366 penetrates through the central hole of the second piston rod 1364 and is matched with the inner wall of the central hole of the second piston rod 1364.

Specifically, the top of the guide rod 1366 is fixedly connected to the center of the second rear cylinder cover 1363, the bottom of the guide rod 1366 is a convex cylindrical block, the cylindrical block is matched with a central hole of the second piston rod 1364, the top of the central hole penetrates out of the top surface of the guide rod 1366, the bottom extends to the cylindrical block, and an exhaust hole 13661 is formed in the side wall of the bottom.

During the lifting phase, the lifting of the first piston rod 1354 is realized by the operation of the left and right core-pulling plate cylinders 135, so that the lifting of the core-pulling plate 132 is realized, the core-pulling plate 132 drives the second piston rod 1364 to synchronously descend in the lifting process, at this time, a gap is reserved between the second piston 1365 and the large-diameter section 13611 of the second cylinder 1361, hydraulic oil above and below the second piston 1365 is in a communicating state, the up-down pressure is balanced, and the normal descending of the second piston rod 1364 can be ensured. When the first piston 1355 descends to the proper position, the second piston 1365 enters the small-diameter section 13612 of the second cylinder 1361, at this time, the second piston 1365 is closely contacted with the inner side wall of the small-diameter section 13612, high-pressure hydraulic oil is injected into an oil pipe at the top of the second cylinder 1361 to perform pressure maintaining, hydraulic oil pressure above the second piston 1365 acts on the top surface of the second piston 1365, and acting force acts on the core-pulling plate 132 through the second piston rod 1364 to perform pressure maintaining, so that the core-pulling plate 132 obtains strong pressure maintaining pressure.

Wherein, as shown in fig. 6, the heating device 14 comprises an upper heating mechanism 141 and a lower heating mechanism 142 which are arranged between the two upright posts 5 on the right side; the upper heating mechanism 141 comprises four vertical rods 1411 connected to the turntable template 7, the top parts of the four vertical rods 1411 are transversely connected with an upper mounting plate 1412, an upper heating plate 1413 sleeved on the four vertical rods 1411 is arranged below the upper mounting plate 1412, a series of heating core rods 1414 are connected to the bottom surface of the upper heating plate 1413, an upper heating plate oil cylinder 1415 is connected to the top part of the upper mounting plate 1412, a piston rod of the upper heating plate oil cylinder 1415 passes through the upper mounting plate 1412 and then is connected with the upper heating plate 1413, the upper heating plate 1413 is controlled to lift, and when the upper heating plate 1413 descends in place, the heating core rods 1414 pass through the die slide blocks 11 and the inner holes of each thread head 12 and then are inserted into bottle blanks to heat the inner sides of the bottle blanks; the lower heating mechanism 142 comprises a fixed bottom plate 1421 connected to the bottom plate 4, the top of the fixed bottom plate 1421 is vertically connected with a left guide rod and a right guide rod 1422, the top of the guide rod 1422 is connected with a lower heating fixed plate 1423, the bottom surface of the bottom plate 4 is connected with a lower heating cylinder, a piston rod of the lower heating cylinder penetrates through the bottom plate 4 and the fixed bottom plate 1421 and then is connected to the bottom surface of the lower heating fixed plate 1423, the top surface of the lower heating fixed plate 1423 is connected with a lower heating plate 1425, a series of heating cavities 1426 are formed in the top surface of the lower heating plate 1425, and after the turntable template 7 descends in place, the lower heating plate 1425 is controlled to ascend in place through the lower heating cylinder so that each heating cavity 1426 is sleeved on the outer side of a bottle blank to heat the outer side of the bottle blank.

As shown in fig. 7 and 8, the bottle blowing device 15 includes a mold opening and closing mechanism 151 disposed on the bottom plate 4 for closing the side and bottom surfaces of the bottles, a bottle blowing and sealing mechanism 152 connected to the top surface of the turntable template 7, and a bottle blowing and stretching mechanism 153; the mold opening and closing mechanism 151 comprises a movable mold component 1511 and a fixed mold component 1512, wherein forming plates 1513 with half bottle cavities are respectively arranged on the inner side surfaces of the movable mold component 1511 and the fixed mold component 1512, and a plurality of independent bottle cavities with closed side surfaces and bottom surfaces and open top surfaces are formed after the movable mold component 1511 and the fixed mold component 1512 are assembled; the bottle blowing sealing mechanism 152 comprises a sealing guide post 1521 connected to the rotary table template 7, a sealing slide plate 1522 is sleeved on the sealing guide post 1521, the top of the sealing guide post 1521 is connected with a sealing mounting plate 1523, the top surface of the sealing mounting plate 1523 is connected with a sealing cylinder 1524, a piston rod of the sealing cylinder 1524 is connected to the sealing slide plate 1522 through a connecting rod, the bottom of the sealing slide plate 1522 is connected with a sealing plate 1525, a locking sealing cylinder 1526 is arranged on the rotary table template 7 at two sides of the sealing slide plate 1522, each thread head 12 on the die slide 11 is inserted into a bottle cavity from the top after the rotary table template 7 is lowered into place, the sealing cylinder 1524 controls the sealing slide plate 1522 to descend into place to seal the top of the bottle cavity through the sealing plate 1525, and simultaneously the locking sealing cylinder 1526 stretches out of the locking sealing slide plate 1522; the bottle blowing stretching mechanism 153 includes a stretching guide rod 1531 connected to four corner points of the top surface of the sealing slide 1522, a stretching mounting plate 1532 is connected to the top of the stretching guide rod 1531, a stretching cylinder 1533 is connected to the top of the stretching mounting plate 1532, a stretching plate component 1534 is sleeved on the four stretching guide rods 1531, a piston rod of the stretching cylinder 1533 is connected to the stretching plate component 1534, a series of stretching core rods 1535 are connected to the bottom surface of the stretching plate component 1534, all stretching core rods 1535 are driven to be inserted into inner holes of each bottle blank by the stretching cylinder 1533 when descending, a series of blowing connectors 154 are arranged on the sealing plate 5, inner ends of each blowing connector 154 are respectively communicated with the inner holes of each bottle blank, outer ends of the blowing connectors are respectively connected to a high-pressure air source, and after the mold closing and the sealing actions are completed, bottle blowing is achieved by combining the blowing and stretching.

Specifically, as shown in fig. 10 and 11, the mold slide 11 includes a left half slide 111 and a right half slide 112, the screw head 12 includes a left half screw head 121 and a right half screw head 122, the left half screw head 121 is connected in the left half slide 111, the right half screw head 122 is connected in the right half slide 112, the left half slide 111 and the right half slide 112 are tensioned by an extension spring, and triangular grooves 113 are provided on the top surfaces of the left half slide 111 and the right half slide 112 at the junctions of the left and right ends.

In addition, as shown in fig. 9 to 11, the bottle removing device 16 includes a demoulding guide rod 161 connected to the turntable template 7, a demoulding fixing plate 162 is connected to the top of the demoulding guide rod 161, a demoulding cylinder 163 is connected to the top of the demoulding fixing plate 162, a demoulding moving plate 164 is provided on the demoulding guide rod 161, a piston rod of the demoulding cylinder 163 is connected to the demoulding moving plate 164 to control the lifting of the demoulding moving plate 164, two sides of the demoulding moving plate 164 are connected to vertical plugboards 165, and the bottom of the plugboards 165 is in a triangular structure with wide top and narrow bottom; the demolding cylinder 163 controls the demolding moving plate 164 to move downwards, and the demolding moving plate 164 is inserted into the triangular groove 113 through the insertion plate 165 to enable the left half slide block 111 and the right half slide block 112 to be separated, so that the left half threaded head 121 and the right half threaded head 122 are driven to be separated, and bottles fall off onto the conveying belt 17 to be conveyed away.

Further, as shown in fig. 12, the turntable driving mechanism 10 includes a mounting seat 101 connected to the top surface of the turntable template 7, a servo motor 102 is connected to the top of the mounting seat 101, a speed reducer, a coupling and a transmission shaft are arranged in the mounting seat 101, an output shaft of the servo motor 102 is connected to the speed reducer and then is connected to the transmission shaft through the coupling, and the bottom of the transmission shaft is connected to the center of the turntable 9, so that the rotation angle and the rotation position of the turntable 9 are controlled through the servo motor 101.

Further, as shown in fig. 1, four side surfaces of the outside of the upright 5 are provided with shields 18.

The working principle of the invention is as follows:

In the first stage, solid plastic raw materials continuously enter the raw material melting device 2 through a hopper, after being heated into molten plastics in the interior, the molten plastics are sent into the injection molding device 13 through the screw feeding device 3, before entering the die cavity part 131, the front, back, left and right rotary table template cylinders 8 control the rotary table template 7 to descend into place, so that the die slide block 11 at the bottom of the rotary table 9 descends into place, the screw heads 12 seal the top of the die cavity part 131, each screw head 12 correspondingly stretches into the bottle blank cavity to seal the top of the bottle blank cavity, then the left and right core-pulling cylinders 135 at the upper template 6 control the core-pulling plates 132 to descend into place, each core rod 134 passes through the die slide block 11 and the inner hole of each screw head 12 and is simultaneously kept sealed at the top, then the piston rod of the pressure-maintaining cylinder 136 pushes against the middle part of the core-pulling plate 132 to ensure that the core-pulling plates 132 cannot move due to injection pressure in the injection molding process, and then the molten plastics are shunted into each bottle blank cavity after entering the die cavity part 131 under the conveying of the screw feeding device 3, so that injection molding is realized.

In the second stage, after injection molding is completed, the pressure maintaining oil cylinder 136 is reset, the left core drawing plate oil cylinder 135 and the right core drawing plate oil cylinder 135 are reset, and the core drawing plate 132 is driven to move upwards so that the core rod 134 is pulled out and finally reset. And then the turntable template oil cylinder 8 controls the turntable template 7 to ascend to reset in place, bottle blank products are fixed in the threaded holes in each threaded head 12 through external threads at the top edge of the bottle blank products, and the bottle blank products are withdrawn upwards along with the threaded heads 12 to be successfully separated from the die cavity part 131, so that the bottle blank products are taken out.

In the third stage, the servo motor 102 drives the rotary table 9 to rotate 90 ° through the speed reducer, the coupling and the transmission shaft, bottle blank products on the row of screw heads 12 above the die cavity 131 are originally rotated to the heating device 14, at this time, whether the bottle blanks need to be heated depends on the bottle blowing condition of the bottle blowing device 15 on the subsequent station, if the bottle blowing condition of the bottle blowing device 15 is stable, the upper heating mechanism 141 and the lower heating mechanism 142 do not act after the rotary table template 7 is lowered in place, so that a row of bottle blanks on the screw heads 12 are suspended, and after the bottle blowing in the next station is finished, the bottle blanks are directly conveyed to the bottle blowing device 15 through the rotary table 9 to wait for bottle blowing. If the temperature of the bottle blank fed back by the bottle blowing device 15 in the subsequent station is not enough, at the heating device 14, the upper heating plate oil cylinder 1415 in the upper heating mechanism 141 controls the upper heating plate 1413 to be lowered into position, so that the heating core rod 1414 passes through the die slide 11 and the inner hole of each thread head 12 and then is inserted into the bottle blank to heat the inner side of the bottle blank; simultaneously, the lower heating cylinder of the lower heating mechanism 142 controls the lower heating plate 1425 to rise to a proper position, so that each heating cavity 1426 is sleeved on the outer side of the bottle blank to heat the outer side of the bottle blank, and the inner surface and the outer surface of the bottle blank are simultaneously heated through the cooperation of the upper heating mechanism 141 and the lower heating mechanism 142, so that the bottle blowing work in the bottle blowing device 15 is ensured to be normally carried out. After the heating is completed, the upper heating mechanism 141 and the lower heating mechanism 142 are respectively raised to the in-place reset and lowered to the in-place reset.

In the fourth stage, the turntable 9 rotates 90 degrees to convey the bottle blanks at the heating device 14 to the bottle blowing device 15, the movable die assembly 1511 in the die opening and closing mechanism 151 moves and the fixed die assembly 1512 are clamped, a plurality of independent bottle cavities with closed sides and bottom surfaces and open top surfaces are formed after the movable die assembly 1511 and the fixed die assembly 1512 are clamped, after the turntable template 7 is lowered in place, the die slide 11 and each thread head 12 on the bottom surface of the turntable 9 are lowered in place, bottle blanks connected to the thread heads 12 enter the bottle cavities, the sealing slide 1524 in the bottle blowing sealing mechanism 152 is controlled to move downwards to the proper position, the top of the bottle type cavity is sealed through the sealing plate 1525, and the sealing slide 1522 and the sealing plate 1525 are prevented from moving in the bottle blowing process by extending out of the locking sealing slide 1522 through the locking sealing cylinders 1526 on both sides. Then, the stretching cylinder 1533 in the bottle blowing stretching mechanism 153 controls the stretching plate assembly 1534 to descend, so that all the stretching core rods 1535 are respectively inserted into the inner holes of each bottle blank to stretch the bottle blank, in the process, the high-pressure air source blows air to each bottle cavity through the air blowing connector 154, and the bottle blowing process is realized through the combination of air blowing and stretching, so that the bottle blank is blown into a bottle.

In the fifth stage, after the bottle blowing is completed, the movable mold assembly 1511 is opened, the turntable template 7 is lifted and reset, the sealing cylinder 1524 controls the sealing slide plate 1522 to move upwards and reset in place, the stretching cylinder 1533 controls the stretching plate assembly 1534 to move upwards and reset in place, the turntable 9 rotates 90 degrees to rotate the whole row of bottles at the bottle blowing device 15 to the bottle removing device 16, the demolding cylinder 163 of the bottle removing device 16 controls the demolding movable plate 164 to descend, the insert plate 165 is inserted into the triangular groove 113 between the top surfaces of the left half slide block 111 and the right half slide block 112 at the left and right ends, and in the descending process of the insert plate 165, the left half slide block 111 and the right half slide block 112 are driven to be separated so as to drive the left half thread head 121 and the right half thread head 122 to be separated, and the bottles are enabled to fall onto the conveying belt 17 to be conveyed away. Then the demolding cylinder 163 controls the demolding moving plate 164 to move upwards to reset in place, and the left half slide block 111 and the right half slide block 112 are clamped tightly again under the action of the stretching spring. The carousel 9 is then rotated by 90 ° to rotate the empty mold slide 11 at the de-bottling device 16 to the injection device 13, awaiting the next injection.

The four working positions synchronously work, and the four working procedures of injection molding of bottle blanks, heating of bottle blanks, blowing molding of bottle blanks and bottle falling are simultaneously carried out, so that the production efficiency is very high, and the quality of products is good.

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

Claims (10)

1. Injection molding bottle blowing all-in-one, including frame (1), its characterized in that: the automatic bottle blowing machine is characterized in that a raw material melting device (2) and a screw feeding device (3) are arranged at the front part of the frame (1), a bottom plate (4) is connected to the rear part of the frame (1), four corner points of the bottom plate (4) are respectively connected with stand columns (5), an upper template (6) is fixedly connected to the tops of the four stand columns (5), a turntable template (7) is slidably connected to the four stand columns (5) below the upper template (6), the turntable template (7) is synchronously driven to lift by four turntable template oil cylinders (8) from front to back, the turntable template (7) is provided with a turntable (9) at the center, a turntable driving mechanism (10) is connected to the tops of the turntable (9), mold sliding blocks (11) are respectively arranged at the front, the rear, the left and the right sides of the bottom of the turntable (9), a series of screw heads (12) are arranged on the mold sliding blocks (11), an injection molding device (13) is arranged between the two stand columns (5) at the front side, a heating device (14) is arranged between the two stand columns (5) at the right side, a bottle blowing device (15) is arranged between the two stand columns (5) at the rear side, and a bottle removing device (16) is arranged between the two stand columns (17) at the left side; raw materials are sent into an injection molding device (13) by a screw feeding device (3) to be injected into bottle blanks after being melted by a raw material melting device (2), the bottle blanks are attached to a threaded head (12) and rotated by 90 degrees to a heating device (14) by a rotary table (9) to ensure the temperature of the bottle blanks, the bottle blanks are blown into bottles in a bottle blowing device (15) by rotating the rotary table (9) by 90 degrees again, and the rotary table (9) is continuously rotated by 90 degrees to a bottle removing device (16) to remove the bottles from the threaded head (12) to a conveying belt (17) for conveying.

2. The injection molding and bottle blowing integrated machine according to claim 1, wherein: the injection molding device (13) comprises a mold cavity part (131) connected to the bottom plate (4), a series of bottle blank cavities are formed in the top surface of the mold cavity part (131), the screw feeding device (3) is used for shunting molten raw materials into each bottle blank cavity after feeding the molten raw materials into the mold cavity part (131) from the front side surface, the mold sliding block (11) and the thread heads (12) seal the top of the mold cavity part (131) after the turntable template (7) descends in place, and each thread head (12) correspondingly stretches into the bottle blank cavity to seal the top of the bottle blank cavity; a core pulling plate (132) is connected to the front two upright posts (5) above the mold sliding block (11) in a sliding manner, a mold core (133) is connected to the lower part of the core pulling plate (132), a series of core rods (134) are arranged at the bottom of the mold core (133), a left core pulling plate cylinder (135) and a right core pulling plate cylinder (136) and a pressure maintaining cylinder (136) in the middle are arranged at the upper template (6) above the core pulling plate (132), piston rods of the left core pulling plate cylinder (135) and the right core pulling plate cylinder (135) are connected to the core pulling plate (132) and control the core pulling plate (132) to lift, and the piston rods of the pressure maintaining cylinders (136) are connected to the middle part of the core pulling plate (132) and perform pressurization and pressure maintaining when the core rod (132) is inserted into a bottle blank cavity in place; when the core drawing plate (132) descends in place, each core rod (134) penetrates through the inner holes of the die sliding block (11) and each thread head (12) and then is inserted into the corresponding bottle blank cavity to realize die assembly and injection waiting, and the bottle blanks after injection molding are fixed in the inner threaded holes of the thread heads (12) through thread embedding at the tops.

3. An injection molding and bottle blowing integrated machine as set forth in claim 2, wherein: the core pulling plate cylinder (135) comprises a first cylinder barrel (1351) which is fixedly connected in an upper die plate (6) and is in a straight cylindrical shape, the bottom of the first cylinder barrel (1351) is connected to the bottom of the upper die plate (6) through a first front cylinder cover (1352), a first rear cylinder cover (1353) is connected to the top of the first cylinder barrel (1351), a first piston rod (1354) is arranged in the first cylinder barrel (1351), a first piston (1355) is arranged at the top of the first piston rod (1354), and a core pulling plate (132) is connected to the bottom of the first piston rod (1354); the pressure maintaining cylinder (136) comprises a second cylinder barrel (1361) fixedly connected in the upper die plate (6), the bottom of the second cylinder barrel (1361) is connected to the bottom surface of the upper die plate (6) through a second front cylinder cover (1362), the top of the second cylinder barrel (1361) is connected with a second rear cylinder cover (1363), a second piston rod (1364) is arranged in the second cylinder barrel (1361), a second piston (1365) is arranged at the top of the second piston rod (1364), and the bottom of the second piston rod (1364) is connected to the core pulling plate (132); the second cylinder (1361) medial surface is the bench, including big footpath section (13611) and the minor diameter section (13612) of bottom on upper portion, second piston (1365) external diameter and minor diameter section (13612) internal diameter looks adaptation, pressurize hydro-cylinder (136) center is provided with hollow guide bar (1366), be equipped with the centre bore in second piston rod (1364), guide bar (1366) pass second piston rod (1364) centre bore and with second piston rod (1364) centre bore inner wall looks adaptation.

4. A lifting and pressure maintaining cylinder mechanism on a bottle blowing machine as set forth in claim 3, wherein: the top of the guide rod (1366) is fixedly connected to the center of the second rear cylinder cover (1363), the bottom of the guide rod (1366) is a convex cylindrical block, the cylindrical block is matched with a central hole of the second piston rod (1364), the top of the central hole penetrates out of the top surface of the guide rod (1366), the bottom of the central hole extends to the cylindrical block, and an exhaust hole (13661) is formed in the side wall of the bottom of the central hole.

5. The injection molding and bottle blowing integrated machine according to claim 1, wherein: the heating device (14) comprises an upper heating mechanism (141) and a lower heating mechanism (142) which are arranged between the two upright posts (5) on the right side; the upper heating mechanism (141) comprises four vertical rods (1411) connected to a turntable template (7), the tops of the four vertical rods (1411) are transversely connected with an upper mounting plate (1412), an upper heating plate (1413) sleeved on the four vertical rods (1411) is arranged below the upper mounting plate (1412), a series of heating core rods (1414) are connected to the bottom surface of the upper heating plate (1413), an upper heating plate oil cylinder (1415) is connected to the top of the upper mounting plate (1412), a piston rod of the upper heating plate oil cylinder (1415) penetrates through the upper mounting plate (1412) and then is connected with the upper heating plate (1413) and controls the upper heating plate (1413) to lift, and when the upper heating plate (1413) descends in place, the heating core rods (1414) penetrate through a die slide block (11) and an inner hole of each thread head (12) and then are inserted into bottle blanks to heat the inner sides of the bottle blanks; the lower heating mechanism (142) comprises a fixed bottom plate (1421) connected to a bottom plate (4), the top of the fixed bottom plate (1421) is vertically connected with a left guide rod and a right guide rod (1422), the top of the guide rod (1422) is connected with a lower heating fixed plate (1423), the bottom surface of the bottom plate (4) is connected with a lower heating cylinder, a piston rod of the lower heating cylinder penetrates through the bottom plate (4) and the fixed bottom plate (1421) and then is connected to the bottom surface of the lower heating fixed plate (1423), the top surface of the lower heating fixed plate (1423) is connected with a lower heating plate (1425), a series of heating cavities (1426) are formed in the top surface of the lower heating plate (1425), and after the turntable template (7) descends to the proper position, the lower heating plate (1425) is controlled by the lower heating cylinder to rise to the proper position, so that each heating cavity (1426) is sleeved on the outer side of the bottle blank to heat the outer side of the bottle blank.

6. The injection molding and bottle blowing integrated machine according to claim 1, wherein: the bottle blowing device (15) comprises a mold opening and closing mechanism (151) which is arranged on the bottom plate (4) and used for sealing the side surface and the bottom surface of the bottle, a bottle blowing sealing mechanism (152) and a bottle blowing stretching mechanism (153) which are connected to the top surface of the turntable template (7); the mold opening and closing mechanism (151) comprises a movable mold assembly (1511) and a fixed mold assembly (1512), wherein forming plates (1513) with half bottle cavities are respectively arranged on the inner side surfaces of the movable mold assembly (1511) and the fixed mold assembly (1512), and a plurality of independent bottle cavities with closed side surfaces and bottom surfaces and open top surfaces are formed after the movable mold assembly (1511) and the fixed mold assembly (1512) are assembled; the bottle blowing sealing mechanism (152) comprises a sealing guide column (1521) connected to a rotary table template (7), a sealing slide plate (1522) is sleeved on the sealing guide column (1521), a sealing mounting plate (1523) is connected to the top of the sealing guide column (1521), a sealing oil cylinder (1524) is connected to the top surface of the sealing mounting plate (1523), a piston rod of the sealing oil cylinder (1524) is connected to the sealing slide plate (1522) through a connecting rod, a sealing plate (1525) is connected to the bottom of the sealing slide plate (1522), a locking sealing cylinder (1526) is arranged on the rotary table template (7) on two sides of the sealing slide plate (1522), each thread head (12) on a mold sliding block (11) is inserted into a bottle cavity from the top after the rotary table template (7) is lowered in place, the sealing oil cylinder (1524) controls the sealing slide plate (1522) to be lowered into place to seal the top of the bottle type cavity through the sealing plate (1525), and meanwhile the locking sealing cylinder (1526) stretches out to lock the sealing slide plate (1522); the bottle blowing stretching mechanism (153) comprises stretching guide rods (1531) connected to four corner points of the top surface of the sealing slide plate (1522), stretching installation plates (1532) are connected to the tops of the stretching guide rods (1531), stretching oil cylinders (1533) are connected to the tops of the stretching installation plates (1532), stretching plate components (1534) are sleeved on the four stretching guide rods (1531), piston rods of the stretching oil cylinders (1533) are connected to the stretching plate components (1534), a series of stretching core rods (1535) are connected to the bottom surface of the stretching plate components (1534), all stretching core rods (1535) are driven to be respectively inserted into inner holes of bottle blanks through the stretching plate components (1534) when the stretching oil cylinders (1533) descend, a series of blowing connectors (154) are arranged on the sealing plate (1525), the inner ends of each blowing connectors (154) are respectively communicated with each bottle blank inner hole, the outer ends are respectively connected to a high-pressure air source, and after the blowing and sealing actions are completed, the blowing and stretching processes are realized.

7. The injection molding and bottle blowing integrated machine according to claim 1, wherein: the die sliding block (11) comprises a left half sliding block (111) and a right half sliding block (112), the thread head (12) comprises a left half thread head (121) and a right half thread head (122), the left half thread head (121) is connected in the left half sliding block (111), the right half thread head (122) is connected in the right half sliding block (112), tension is formed between the left half sliding block (111) and the right half sliding block (112) through a tension spring, and triangular grooves (113) are formed in the joint of the left end and the right end of the top surfaces of the left half sliding block (111) and the right half sliding block (112).

8. The injection molding and bottle blowing integrated machine as set forth in claim 7, wherein: the bottle removing device (16) comprises a demoulding guide rod (161) connected to the turntable template (7), a demoulding fixing plate (162) is connected to the top of the demoulding guide rod (161), a demoulding oil cylinder (163) is connected to the top surface of the demoulding fixing plate (162), a demoulding movable plate (164) is arranged on the demoulding guide rod (161), a piston rod of the demoulding oil cylinder (163) is connected to the demoulding movable plate (164) to control the lifting of the demoulding movable plate (164), vertical plugboards (165) are connected to two sides of the demoulding movable plate (164), and the bottoms of the plugboards (165) are of triangular structures with wide upper parts and narrow lower parts; the demolding cylinder (163) controls the demolding movable plate (164) to move downwards, the demolding movable plate is inserted into the triangular groove (113) through the inserting plate (165) to enable the left half sliding block (111) and the right half sliding block (112) to be separated, and then the left half threaded head (121) and the right half threaded head (122) are driven to be separated, so that bottles fall off onto the conveying belt (17) to be conveyed away.

9. The injection molding and bottle blowing integrated machine according to claim 1, wherein: the turntable driving mechanism (10) comprises a mounting seat (101) connected to the top surface of a turntable template (7), a servo motor (102) is connected to the top of the mounting seat (101), a speed reducer, a coupler and a transmission shaft are arranged in the mounting seat (101), an output shaft of the servo motor (102) is connected with the speed reducer and then is connected with the transmission shaft through the coupler, and the bottom of the transmission shaft is connected to the center of the turntable (9) and controls the rotation angle and the rotation position of the turntable (9) through the servo motor (101).

10. The injection molding and bottle blowing integrated machine according to claim 1, wherein: the front, back, left and right sides of the outer side of the upright post (5) are provided with shields (18).