CN220594018U - Plastic bottle shaping packaging production line - Google Patents

Abstract

The plastic bottle forming and packaging production line comprises a bottle blank feeding mechanism (1), a blow molding mechanism (2) and a packaging mechanism (3), wherein the bottle blank feeding mechanism (1) comprises a hopper (5) and a pair of carding feeding rods (6), a batch feeding device (4) is arranged at the bottom opening of the hopper (5), and the pair of carding feeding rods (6) are obliquely positioned below the discharging end of the batch feeding device (4); the utility model has the advantages that: the bottle embryo is neat through bottle embryo feed mechanism self-alignment, puts into blow molding mechanism in proper order the bottle embryo through upset loading attachment and heats, blow molding, and the fashioned plastic bottle is taken off to rethread upset unloader, and whole technology required personnel is few, uses manpower sparingly cost, and packagine machine constructs simultaneously can be quick neat put into film wrapping bag to the plastic bottle sign indicating number, effectively improves work efficiency.

Description

Plastic bottle shaping packaging production line

Technical Field

The utility model relates to the technical field of plastic bottle production, in particular to a plastic bottle molding and packaging production line.

Background

Plastic bottles are commonly used containers in life, are mostly used for filling edible oil, wine and other liquids, and are produced by heating bottle blanks and then blow molding the bottle blanks in a blow molding machine. In the existing production process, workers need to sequentially put bottle blanks into a heating box for heating, then put the bottle blanks into a blow molding machine for molding, and then sequentially put plastic bottles into film packaging bags for storage. The existing production line has the following problems that (1) the whole process needs multi-person cooperation, and the labor cost is high; (2) the temperature in the heating box is high, and the long-time work before the heating box can cause discomfort to the body; (3) because the molded plastic bottle has large volume and light weight, the plastic bottle is easy to topple in the stacking process, and the stacking speed is influenced.

Disclosure of Invention

The utility model aims to overcome the defects and provide a plastic bottle molding and packaging production line.

The utility model comprises a bottle embryo feeding mechanism, a blow molding mechanism and a packaging mechanism,

the bottle embryo feeding mechanism comprises a hopper and a pair of carding feeding rods, a batch feeding device is arranged at the bottom opening of the hopper, and the pair of carding feeding rods are obliquely positioned below the discharge end of the batch feeding device;

the blow molding mechanism comprises a machine base, a preheating box body and a blow molding machine, wherein the preheating box body is covered at the top of the machine base, a feed inlet and a discharge outlet are respectively formed in the preheating box body, a turnover feeding device matched with the discharge ends of a pair of carding feeding rods is arranged at the feed inlet of the preheating box body, a turnover discharging device is arranged at the discharge outlet of the preheating box body, an annular conveying device is arranged on the machine base, and a pair of molding dies of the blow molding machine are symmetrically arranged on the machine base on the inner side and the outer side of the annular conveying device;

the packaging mechanism comprises a workbench, a receiving plate and a discharging table, wherein the receiving plate can be installed at the bottom of the workbench in a back-and-forth moving manner, the top of the workbench is divided into a plurality of stacking channels through a partition plate, a plurality of discharging pushing plates corresponding to the stacking channels are arranged at the front end of the receiving plate, a discharging pushing plate avoiding hole is formed in the bottom of each stacking channel, a pair of packaging bag fixing clamps are arranged above the rear end of the workbench, and the discharging table is located below the discharging end of the workbench.

Further, the batch feeding device comprises a group of bottle embryo transverse carding bars and a driving motor for driving the group of bottle embryo transverse carding bars to shake, the group of bottle embryo transverse carding bars are movably arranged at the bottom opening of the hopper, and one ends of the bottle embryo transverse carding bars extend out to the upper parts of the feeding ends of the pair of carding feeding bars; the driving motor is arranged on the hopper and drives a group of bottle embryo transverse carding bars to shake through the cam mechanism; the hopper is internally provided with a plurality of groups of flow distribution rods from top to bottom, and the gap between each group of flow distribution rods is sequentially reduced from top to bottom.

Preferably, the bottle embryo transverse carding rod is of a U-shaped structure, one end of the U-shaped structure is movably connected with the hopper through a pin shaft, the other ends of a group of bottle embryo transverse carding rods are connected through connecting plates, and a cam for pushing the connecting plates to reciprocate is arranged on an output shaft of the driving motor.

Preferably, a group of bottle embryo transverse carding bars are arranged in an inclined direction, and the inclined direction is the same as the inclined direction of a pair of carding feeding bars.

Preferably, the annular conveying device comprises an annular conveying track, a plurality of bottle embryo positioning seats which are rotatably connected are arranged on the annular conveying track, a blow molding head is arranged on the bottle embryo positioning seats, a transmission gear is arranged at the bottom of the bottle embryo positioning seats, annular racks matched with the transmission gear are arranged on the machine base, a group of heating pipes are respectively arranged in preheating boxes positioned at the inner side and the outer side of the annular conveying track, heating pipe mounting plates are respectively arranged on the machine base positioned at the inner side and the outer side of the annular conveying track, the heating pipe mounting plates are parallel to the annular conveying track, and the heating pipes are mounted on the heating pipe mounting plates.

Further, a gap is arranged between the heating pipe and the heating pipe mounting plate, and a reflecting plate is arranged on the inner side of the heating pipe mounting plate.

Preferably, the overturning and feeding device comprises a first pneumatic sliding table, a first rotary cylinder and a first pneumatic clamping jaw, wherein a bottle embryo receiving table is arranged on a sliding block of the first pneumatic sliding table, a bottle embryo placing groove is arranged on the bottle embryo receiving table, and the bottle embryo placing groove close to one side of a discharging end of the carding and feeding rod is an opening; the first pneumatic clamping jaw is fixedly arranged on a rotating disc of the first rotating cylinder, a pair of claw pieces of the first pneumatic clamping jaw are positioned above the bottle embryo placing groove, a compacting cylinder corresponding to the bottle embryo positioning seat is arranged at the top of the preheating box body, and the first pneumatic sliding table and the first rotating cylinder are fixed on the machine base through the mounting seat.

Preferably, the overturning blanking device comprises a second rotary cylinder, a lifting cylinder, a second pneumatic clamping jaw and a second pneumatic sliding table, wherein the second pneumatic sliding table is installed on the base through a connecting plate, the second rotary cylinder is installed on a sliding block of the second pneumatic sliding table, the lifting cylinder is installed on a rotating disc of the second rotary cylinder, and the second pneumatic clamping jaw is installed on a piston rod of the lifting cylinder.

Preferably, a heat dissipation box is arranged on the machine seat at one side of the discharge hole of the preheating box body, an exhaust fan is arranged on the heat dissipation box, and a discharge chute with one end extending to the workbench is arranged in the heat dissipation box.

Preferably, the bottom of the workbench is provided with a material receiving plate driving cylinder for driving the material receiving plate to move back and forth, one end of the material discharging push plate is hinged on the material receiving plate through a pin shaft, the pin shaft is provided with a torsion spring for controlling the angle of the material discharging push plate, the bottom of the workbench is provided with a plurality of push rods corresponding to the material discharging push plate, and the end part of each push rod is provided with a roller; the workbench is provided with a plurality of storage grooves for storing the unloading push plates.

Preferably, a limiting rod is rotatably connected to the workbench at one end of the packaging bag fixing clamp, and one end of the limiting rod is provided with a control rocking handle.

The utility model has the advantages that: the bottle embryo is neat through bottle embryo feed mechanism self-alignment, puts into blow molding mechanism in proper order the bottle embryo through upset loading attachment and heats, blow molding, and the fashioned plastic bottle is taken off to rethread upset unloader, and whole technology required personnel is few, uses manpower sparingly cost, and packagine machine constructs simultaneously can be quick neat put into film wrapping bag to the plastic bottle sign indicating number, effectively improves work efficiency.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic diagram of a bottle embryo feeding mechanism.

FIG. 3 is a schematic view of a blow molding mechanism.

FIG. 4 is a schematic diagram of a driving structure of a preform positioning seat.

Fig. 5 is a schematic view of the packaging mechanism.

Fig. 6 is a schematic view of the bottom structure of the packaging mechanism.

Fig. 7 is a schematic view of the bagging state of the packaging mechanism.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawings, the utility model comprises a bottle embryo feeding mechanism 1, a blow molding mechanism 2 and a packaging mechanism 3,

the bottle embryo feeding mechanism 1 comprises a hopper 5 and a pair of carding feeding rods 6, a batch feeding device 4 is arranged at the bottom opening of the hopper 5, and the pair of carding feeding rods 6 are obliquely positioned below the discharge end of the batch feeding device 4;

the batch feeding device 4 comprises a group of bottle embryo transverse carding bars 7 and a driving motor 8 for driving the group of bottle embryo transverse carding bars 7 to shake, wherein the group of bottle embryo transverse carding bars 7 are movably arranged at the bottom opening of the hopper 5, and one ends of the bottle embryo transverse carding bars 7 extend above the feeding ends of the pair of carding feeding bars 6; the driving motor 8 is arranged on the hopper 5 and drives a group of bottle embryo transverse carding bars 7 to shake through a cam mechanism.

The bottle embryo is cylindrical, and a circle of edge opening protruding outwards is arranged at the opening part.

The working mode of the bottle embryo feeding mechanism 1 is that the interval between a group of bottle embryo transverse carding rods 7 and the gap between a pair of carding feeding rods 6 are larger than the diameter of the bottle embryo body and smaller than the diameter of the bottle embryo edge opening, when the bottle embryo falls into the gap between a group of bottle embryo transverse carding rods 7, the bottle embryo is blocked by the edge opening and cannot fall down completely, and the bottle body falls down to keep the vertical shape with the upward opening. After the bottle blanks are put into the hopper 5, the driving motor 8 drives the group of bottle blank transverse carding bars 7 to shake, and the bottle blanks positioned in the gaps of the group of bottle blank transverse carding bars 7 can sequentially move towards the outlet until falling onto the pair of carding feed bars 6 and then slide down along the inclined directions of the pair of carding feed bars 6.

In the concrete implementation, a gap is arranged between the top of the bottle embryo transverse carding rod 7 and the discharge hole at the bottom edge of the hopper 5, and the maximum height of the gap is not higher than the diameter of the bottle embryo body. The bottle blanks which do not fall into the gaps of the transverse carding bars 7 of the bottle blanks cannot be discharged. The height of the discharging end of the group of bottle embryo transverse carding bars 7 is lower than that of the other end when the bottle embryo transverse carding bars are installed, and the inclination angle is 5 degrees, so that the bottle embryo can be smoothly moved out of the discharging end when the bottle embryo transverse carding bars shake up and down.

The hopper 5 is internally provided with a plurality of groups of flow distribution rods 30 from top to bottom, and the gap between each group of flow distribution rods 30 is sequentially reduced from top to bottom. The gap between the lowermost set of flow bars 30 is greater than the gap between the set of bottle embryo transverse carding bars 7. The vertical distance between the upper and lower groups of flow dividing rods 30 and the vertical distance between the lowest group of flow dividing rods 30 and the bottle embryo transverse carding rod 7 is not smaller than the height of the bottle embryo, the bottle embryo is poured into the hopper 5, and the bottle embryo is sequentially divided by the groups of flow dividing rods 30, so that the bottle embryo can be uniformly distributed on the group of bottle embryo transverse carding rods 7.

Preferably, the bottle embryo transverse carding rod 7 is of a U-shaped structure, one end of the U-shaped structure is movably connected with the hopper 5 through a pin shaft, the other ends of a group of bottle embryo transverse carding rods 7 are connected through a connecting plate 31, and a cam for pushing the connecting plate 31 to reciprocate is arranged on an output shaft of the driving motor 8.

The hopper 5 is provided with a pair of spring buffers which are respectively positioned at two ends of the connecting plate 31, the connecting plate 31 is jacked up forwards and jacked down backwards and downward through cam rotation, when the connecting plate 31 is put down, the connecting plate 31 is not contacted with the cam, at the moment, the connecting plate 31 can strike the spring buffers, the bottle embryo transverse carding rod 7 causes vibration, and the bottle embryo above is convenient to fall.

Preferably, a group of bottle embryo transverse carding bars 7 are arranged in an inclined direction, and the inclined direction is the same as the inclined direction of a pair of carding feed bars 6.

The distance between each discharge end of the bottle embryo transverse carding rod 7 and the pair of carding feed rods 6 is the same, a protection plate is arranged on the carding feed rods 6 in the range of the discharge end areas of the bottle embryo transverse carding rods 7, and a gap which is convenient for the bottle opening of the bottle embryo to smoothly pass through is arranged between the front end of the protection plate and the carding feed rods 6, namely, only one bottle embryo can pass through the gap at each time.

The guard plate can prevent that bottle embryo from dropping outside the carding feeding rod 6 after collision, also prevents simultaneously that a plurality of bottle embryo from causing the pile after falling the carding feeding rod 6 and roll down and can't make the bottleneck upwards.

The blow molding mechanism 2 comprises a machine base 10, a preheating box 11 and a blow molding machine 12, wherein the preheating box 11 is covered at the top of the machine base 10, a feed inlet and a discharge outlet are respectively formed in the preheating box 11, a turnover feeding device 13 matched with the discharge ends of a pair of carding feeding rods 6 is arranged at the feed inlet of the preheating box 11, a turnover discharging device 14 is arranged at the discharge outlet of the preheating box 11, an annular conveying device 9 is arranged on the machine base 10, and a pair of molding dies of the blow molding machine 12 are symmetrically arranged on the machine base 10 on the inner side and the outer side of the annular conveying device 9.

Preferably, the annular conveying device 9 comprises an annular conveying track 15, a plurality of bottle embryo positioning seats 16 which are rotatably connected are arranged on the annular conveying track 15, a blow molding head is arranged on the bottle embryo positioning seats 16, a transmission gear is arranged at the bottom of the bottle embryo positioning seats 16, an annular rack 17 matched with the transmission gear is arranged on the machine base 10, the annular rack 17 can be in an unclosed annular shape, the starting point of the annular rack 17 is at a feed inlet of the preheating box 11, and the ending point of the annular rack 17 is at a feed end of the blow molding machine 12, namely, the bottle embryo positioning seats 16 do not need to continuously rotate after molding.

A group of heating pipes 18 are respectively arranged in the preheating box 11 positioned at the inner side and the outer side of the annular conveying track 15, heating pipe mounting plates 35 are respectively arranged on the machine bases 10 positioned at the inner side and the outer side of the annular conveying track 15, the heating pipe mounting plates 35 are parallel to the annular conveying track 15, and the heating pipes 18 are arranged on the heating pipe mounting plates 35. The heated area and the heated temperature of the bottle embryo are stable in the moving process.

Further, a gap is provided between the heating pipe 18 and the heating pipe mounting plate 35, and a reflecting plate is provided on the inner side of the heating pipe mounting plate 35. The reflection plate can effectively improve the thermal effect.

Preferably, the overturning and feeding device 13 comprises a first pneumatic sliding table 40, a first rotary cylinder 41 and a first pneumatic clamping jaw 42, a bottle embryo receiving table 43 is arranged on a sliding block of the first pneumatic sliding table 40, a bottle embryo placing groove is arranged on the bottle embryo receiving table 43, and the bottle embryo placing groove close to one side of the discharging end of the carding and feeding rod 6 is an opening; the first pneumatic clamping jaw 42 is fixedly arranged on a rotating disc of the first rotary cylinder 41, a pair of claw pieces of the first pneumatic clamping jaw 42 are positioned above the bottle embryo placing groove, a pressing cylinder 44 corresponding to the bottle embryo positioning seat 16 is arranged at the top of the preheating box 11, and the first pneumatic sliding table 40 and the first rotary cylinder 41 are both fixed on the machine base 10 through mounting seats.

The bottle embryo connects material platform 43 laminating on the discharge end of a pair of carding feed bar 6, and bottle embryo standing groove is located the one end of bottle embryo and connects material platform 43, and when the one end of bottle embryo standing groove moved to a pair of carding feed bar 6 discharge end position, the bottle embryo was automatic to enter into in the bottle embryo standing groove, and the bottle embryo standing groove height of this case is less than the height of bottle embryo, and its edge portion exposes outside the groove after the bottle embryo entered promptly, is convenient for first pneumatic clamping jaw 42 snatchs. The first pneumatic clamping jaw 42 clamps the bottle embryo, the first pneumatic sliding table 40 is started to transversely move the bottle embryo receiving table 43 by one end distance, at the moment, the bottle embryo receiving table 43 carries the bottle embryo to transversely move to one side of the discharging ends of the pair of carding feeding rods 6, the other end of the bottle embryo receiving table 43 plugs the discharging ends of the pair of carding feeding rods 6, the first rotary cylinder 41 carries the first pneumatic clamping jaw 42 to overturn 180 degrees to place the bottle embryo on the bottle embryo positioning seat 16, and then the compressing cylinder 44 is started to compress the bottle embryo on the bottle embryo positioning seat 16, so that the bottle embryo is askew and falls in the placing moving and rotating processes. The bottle embryo positioning seat 16 is in a truncated cone shape, so that the bottle mouth of the bottle embryo can be conveniently and smoothly sleeved on the bottle embryo positioning seat 16, and the diameter of the bottom of the truncated cone shape is the same as the diameter of the opening of the bottle embryo.

Preferably, the turnover blanking device 14 comprises a second rotary air cylinder 45, a lifting air cylinder 46, a second pneumatic clamping jaw 47 and a second pneumatic sliding table 48, wherein the second pneumatic sliding table 48 is installed on the base 10 through a connecting plate, the second rotary air cylinder 45 is installed on a sliding block of the second pneumatic sliding table 48, the lifting air cylinder 46 is installed on a rotating disc of the second rotary air cylinder 45, and the second pneumatic clamping jaw 47 is installed on a piston rod of the lifting air cylinder 46.

When the plastic bottle is molded and moved to the position of the second pneumatic clamping jaw 47, the second pneumatic sliding table 48 is started, the second pneumatic clamping jaw 47 is extended, the second pneumatic clamping jaw 47 is used for grabbing the plastic bottle, then the lifting cylinder 46 is lifted for a certain distance with the second pneumatic clamping jaw 47, namely, the plastic bottle is taken down from the bottle embryo positioning seat 16, and then the second rotary cylinder 45 is brought to the second pneumatic clamping jaw 47 to overturn, so that the plastic bottle is taken out integrally.

Preferably, a heat dissipation box 50 is arranged on the machine base 10 at one side of the discharge hole of the preheating box 11, an exhaust fan is arranged on the heat dissipation box 50, and a discharge chute 51 with one end extending to the workbench 20 is arranged in the heat dissipation box 50.

The taken-out plastic bottle is put into the heat dissipation box 50, and the exhaust fan takes away part of heat carried on the plastic bottle, so that the plastic bottle slides onto the workbench 20 from the discharging chute 51.

The working mode of the blow molding mechanism 2 is that the overturning and feeding device 13 sequentially grabs and overturns bottle blanks arranged on a pair of carding and feeding rods 6 by 180 degrees, then the bottle blanks are placed on the bottle blank positioning seat 16, the annular conveying track 15 sequentially carries the bottle blanks to move towards the blow molding machine 12 and heat the bottle blanks through the heating pipe 18, the bottle blank positioning seat 16 carries the bottle blanks to rotate in the moving process, and meanwhile, the heating pipe 18 in the scheme is distributed on the inner side and the outer side of the annular conveying track 15, so that the bottle blanks are heated quickly and heated uniformly. The endless conveyor 15 is stopped when the preform is moved to the station of the blow molding machine 12, a pair of molding dies of the blow molding machine 12 clamp the preform from both left and right sides, an air blowing joint is lifted from the bottom and communicates with the blow head of the corresponding preform positioning seat 16, and the preform is inflated by air blowing and molded in the pair of molding dies. The pair of forming dies of the blow molding machine 12 are driven by hydraulic cylinders respectively, after forming is completed, the pair of forming dies are opened, and the annular conveying rail 15 starts to move downwards by one station to form the next bottle blank. When the molded plastic bottle moves to the position of the turnover blanking device 14, the turnover blanking device 14 takes down the plastic bottle.

The packing mechanism 3 includes workstation 20, receiving plate 21 and platform 22 of unloading, and receiving plate 21 can back-and-forth movement installs in the bottom of workstation 20, and workstation 20 top separates into a plurality of stacking channel through baffle 24, and receiving plate 21 front end is equipped with a plurality of push pedal 25 of unloading that correspond with stacking channel, and stacking channel bottom opens has the push pedal of unloading to dodge the hole, and the rear end top of workstation 20 is equipped with a pair of wrapping bag fixation clamp 26, and platform 22 of unloading is located the discharge end below of workstation 20.

Preferably, a receiving plate driving cylinder 23 for driving the receiving plate 21 to move back and forth is arranged at the bottom of the workbench 20, one end of the discharging push plate 25 is hinged on the receiving plate 21 through a pin shaft, a torsion spring for controlling the angle of the discharging push plate 25 is arranged on the pin shaft, a plurality of push rods 53 corresponding to the discharging push plate 25 are arranged at the bottom of the workbench 20, and rollers are arranged at the end parts of the push rods 53; the table 20 is provided with a plurality of storage grooves 55 for storing the discharge push plate 25.

When the receiving plate 21 moves to the front end of the workbench 20, at this time, one end of the bottom of the discharging push plate 25 is propped by the push rod 53, so that the discharging push plate 25 is turned over and kept in a horizontal state, and at this time, the discharging push plate 25 is positioned in the storage groove 55, so that a worker can conveniently and rapidly move plastic bottles into the stacking channel. After stacking of the stacking channels is completed, the material receiving plate driving cylinder 23 is started to push the material receiving plate 21 to move, at the moment, the material discharging pushing plate 25 is separated from the pushing rod 53, the material discharging pushing plate 25 is reset under the action of the torsion spring to keep the vertical, and the material discharging pushing plate 25 pushes the plastic bottles in the stacking channels backwards.

Preferably, a limiting rod 56 is rotatably connected to the workbench 20 at one end of the packaging bag fixing clamp 26, and a control rocking handle is arranged at one end of the limiting rod 56.

When stacking is performed in the stacking channels, the limiting rods 56 are put down, and the plastic bottles sequentially move backwards until the positions of the limiting rods 56 are reached, namely, the plastic bottles in the stacking channels are limited. After stacking, the limiting rod 56 is lifted, so that the plastic bottle can pass through conveniently, and the limiting rod 56 is a U-shaped rod and can block the plastic bottle from passing through when being horizontally placed. When standing up, the plastic bottle can pass under it.

Two ends of the limiting rod 56 are respectively hinged to two upright posts of the workbench 20 through rotating shafts, limiting blocks are arranged on one side of each upright post, and the limiting rod 56 is limited through the limiting blocks when erected, so that the upright state of the limiting rod is kept.

The packaging mechanism 3 is operated in such a manner that, before stacking, the film packaging bag is sleeved on the discharge end of the workbench 20, and the upper part of the mouth of the film packaging bag is fixed by the packaging bag fixing clamp 26.

The staff installs handle and closing cap to the plastic bottle after the shaping, then puts into each and stacks in proper order, and every stack promotes one distance backward can, and the flitch 21 is pegged graft on workstation 20 through a pair of linear guide activity, makes the flitch 21 keep stable smooth in the removal in-process. In the scheme, the workbench 20, the receiving plate 21 and the unloading table 22 are all made of smooth plates, friction is reduced, and the plastic bottle can move smoothly on the workbench.

After stacking in each stacking channel is completed, the material receiving plate driving cylinder 23 is started, the material receiving plate 21 moves towards the material discharging table 22 together with the material discharging pushing plate 25, in the moving process, the plastic bottles and the material receiving plate 21 enter the film packaging bag together, workers only need to fix the plastic bottles positioned at the bag opening position, then the material receiving plate driving cylinder 23 resets, the material receiving plate 21 retracts to the initial position together with the material discharging pushing plate 25, the material receiving plate 21 can be pulled out from the film packaging bag, the film packaging bag and the plastic bottles inside fall onto the material discharging table 22, and the workers seal the film packaging bag to complete the whole packaging process.

Claims (10)

1. A plastic bottle molding and packaging production line is characterized by comprising a bottle blank feeding mechanism (1), a blow molding mechanism (2) and a packaging mechanism (3),

the bottle embryo feeding mechanism (1) comprises a hopper (5) and a pair of carding feeding rods (6), a batch feeding device (4) is arranged at the bottom opening of the hopper (5), and the carding feeding rods (6) are obliquely positioned below the discharging end of the batch feeding device (4);

the blow molding mechanism (2) comprises a machine base (10), a preheating box body (11) and a blow molding machine (12), wherein the preheating box body (11) is covered at the top of the machine base (10), a feed inlet and a discharge outlet are respectively formed in the preheating box body (11), a turnover feeding device (13) matched with the discharge ends of a pair of carding feeding rods (6) is arranged at the feed inlet of the preheating box body (11), a turnover discharging device (14) is arranged at the discharge outlet of the preheating box body (11), an annular conveying device (9) is arranged on the machine base (10), and a pair of molding dies of the blow molding machine (12) are symmetrically arranged on the machine base (10) at the inner side and the outer side of the annular conveying device (9);

the packaging mechanism (3) comprises a workbench (20), a receiving plate (21) and a discharging table (22), wherein the receiving plate (21) can be installed at the bottom of the workbench (20) in a back-and-forth moving mode, the top of the workbench (20) is divided into a plurality of stacking channels through a partition plate (24), a plurality of discharging pushing plates (25) corresponding to the stacking channels are arranged at the front end of the receiving plate (21), discharging pushing plate avoiding holes are formed in the bottom of each stacking channel, a pair of packaging bag fixing clamps (26) are arranged above the rear end of the workbench (20), and the discharging table (22) is located below the discharging end of the workbench (20).

2. A plastic bottle forming and packaging production line according to claim 1, characterized in that the batch feeding device (4) comprises a group of bottle embryo transverse carding bars (7) and a driving motor (8) driving the group of bottle embryo transverse carding bars (7) to shake, the group of bottle embryo transverse carding bars (7) are movably arranged at the bottom opening of the hopper (5), and one end of the bottle embryo transverse carding bars (7) extends above the feeding ends of the pair of carding feeding bars (6); the driving motor (8) is arranged on the hopper (5) and drives a group of bottle embryo transverse carding bars (7) to shake through a cam mechanism; the hopper (5) is internally provided with a plurality of groups of flow distribution rods (30) from top to bottom, and the gap between each group of flow distribution rods (30) is sequentially reduced from top to bottom.

3. The plastic bottle forming and packaging production line according to claim 2, characterized in that the bottle embryo transverse carding rod (7) is of a U-shaped structure, one end of the U-shaped structure is movably connected with the hopper (5) through a pin shaft, the other end of one group of bottle embryo transverse carding rods (7) is connected through a connecting plate (31), and a cam for pushing the connecting plate (31) to reciprocate is arranged on an output shaft of the driving motor (8);

the group of bottle embryo transverse carding bars (7) are arranged in an inclined direction, and the inclined direction is the same as the inclined direction of the pair of carding feeding bars (6).

4. The plastic bottle forming and packaging production line according to claim 1, characterized in that the annular conveying device (9) comprises an annular conveying track (15), a plurality of bottle embryo positioning seats (16) which are rotatably connected are arranged on the annular conveying track (15), a blow molding head is arranged on the bottle embryo positioning seats (16), a transmission gear is arranged at the bottom of the bottle embryo positioning seats (16), an annular rack (17) matched with the transmission gear is arranged on the machine base (10), a group of heating pipes (18) are respectively arranged in the preheating box (11) positioned at the inner side and the outer side of the annular conveying track (15), heating pipe mounting plates (35) are respectively arranged on the machine bases (10) positioned at the inner side and the outer side of the annular conveying track (15), the heating pipe mounting plates (35) are parallel to the annular conveying track (15), and the heating pipes (18) are mounted on the heating pipe mounting plates (35).

5. A plastic bottle forming and packaging production line according to claim 4, characterized in that a gap is provided between the heating pipe (18) and the heating pipe mounting plate (35), and a reflecting plate is provided on the inner side of the heating pipe mounting plate (35).

6. The plastic bottle forming and packaging production line according to claim 1, wherein the overturning and feeding device (13) comprises a first pneumatic sliding table (40), a first rotary cylinder (41) and a first pneumatic clamping jaw (42), a bottle embryo receiving table (43) is arranged on a sliding block of the first pneumatic sliding table (40), a bottle embryo placing groove is arranged on the bottle embryo receiving table (43), and the bottle embryo placing groove close to one side of a discharging end of the carding and feeding rod (6) is an opening; the first pneumatic clamping jaw (42) is fixedly arranged on a rotating disc of the first rotary cylinder (41), a pair of claw pieces of the first pneumatic clamping jaw (42) are positioned above the bottle embryo placing groove, a compression cylinder (44) corresponding to the bottle embryo positioning seat (16) is arranged at the top of the preheating box body (11), and the first pneumatic sliding table (40) and the first rotary cylinder (41) are fixed on the base (10) through mounting seats.

7. The plastic bottle forming and packaging production line according to claim 1, wherein the overturning blanking device (14) comprises a second rotary cylinder (45), a lifting cylinder (46), a second pneumatic clamping jaw (47) and a second pneumatic sliding table (48), the second pneumatic sliding table (48) is installed on the machine base (10) through a connecting plate, the second rotary cylinder (45) is installed on a sliding block of the second pneumatic sliding table (48), the lifting cylinder (46) is installed on a rotating disc of the second rotary cylinder (45), and the second pneumatic clamping jaw (47) is installed on a piston rod of the lifting cylinder (46).

8. The plastic bottle molding and packaging production line according to claim 1, wherein a heat dissipation box (50) is arranged on the machine seat (10) at one side of the discharge hole of the preheating box body (11), an exhaust fan is arranged on the heat dissipation box (50), and a discharge chute (51) with one end extending to the workbench (20) is arranged in the heat dissipation box (50).

9. The plastic bottle molding and packaging production line according to claim 1, wherein a receiving plate driving cylinder (23) for driving the receiving plate (21) to move forwards and backwards is arranged at the bottom of the workbench (20), one end of the discharging push plate (25) is hinged on the receiving plate (21) through a pin shaft, a torsion spring for controlling the angle of the discharging push plate (25) is arranged on the pin shaft, a plurality of push rods (53) corresponding to the discharging push plate (25) are arranged at the bottom of the workbench (20), and idler wheels are arranged at the end parts of the push rods (53); the workbench (20) is provided with a plurality of storage grooves (55) for storing the unloading push plate (25).

10. The plastic bottle molding and packaging production line according to claim 1, wherein a limiting rod (56) is rotatably connected to a workbench (20) at one end of the packaging bag fixing clamp (26), and a control rocking handle is arranged at one end of the limiting rod (56).