CN1810488B

CN1810488B - Rotary type full-automatic plastic bottle blowing machine

Info

Publication number: CN1810488B
Application number: CN 200510049019
Authority: CN
Inventors: 蔡佳祎
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-30
Filing date: 2005-01-30
Publication date: 2010-04-28
Anticipated expiration: 2025-01-30
Also published as: CN1810488A

Abstract

The automatic rotary plastic bottle blowing machine consists of a heater and a bottle pulling and blowing formation mechanism. The heater has a plastic bottle pipe feeding mechanism and a discharge mechanism; and the bottle pulling and blowing formation mechanism has mold plates on the frame, a cylinder-link rod assembly to drive the mold plates to open and close, a mold inside the mold plates, a pulling cylinder to drive the pulling rod and a blowing cylinder n the frame, a bottle blowing unit on the rotary plate, pipe taking pincers over the mold plates and the mold to take the heated plastic bottle pipe from the heater to the mold. The technological scheme has the pipe taking pincers to take the heated plastic bottle pipe from the heater to the mold directly without intermediate conveying mechanism and thus has simple structure and high production efficiency.

Description

Automatic rotary plastic bottle blowing machine

Technical field

The present invention relates to automatic rotary plastic bottle blowing machine, belong to the process equipment of hollow plastic container, for example can be used for processing mineral water bottle, medicine bottle, oil bottle and bottle for cosmetics etc.

Background technology

Adopt hollow containers such as plastic raw materials (as PET etc.) processing mineral water bottle, medicine bottle, bottle for cosmetics, can use injection stretch blow moulding, at first plastic raw materials is injected into the bottle pipe by injection machine, again by heater to bottle pipe post bake after by stretch blow machine bottle blowing moulding, the Stretch and Blow Mechanism of the heater of heating bottle pipe and stretch blow moulding is combined, and can be transmitted a bottle pipe automatically and be called the full-automatic plastic bottle blowing machine.Existing full-automatic plastic bottle blowing machine can be divided into three types, the first kind is that heater and Stretch and Blow Mechanism are independently installed, bottle pipe after the heating takes out in the mould of sending into Stretch and Blow Mechanism from heater by manipulator, its shortcoming is the action that need finish a plurality of different directions of fetching and delivering of manipulator, therefore complex structure is controlled difficulty, has only a stretch blow station, speed is slow, and production efficiency is low.Second class is that heater and Stretch and Blow Mechanism are installed in the same orbit, be divided into material loading workshop section (operation highway section), heating workshop section, bottle blowing workshop section, the track stroke is very long, volume is big, the manufacturing cost height, install, transport very trouble, but bottle mechanism has only one group, single station bottle blowing production efficiency is low.The 3rd class is that heater and Stretch and Blow Mechanism grouping are installed, bottle pipe after the heating is sent into Stretch and Blow Mechanism from heater by middle rolling disc transmission, though the transmission of rolling disc does not have first kind manipulator complexity, but volume is increased, increased structural complexity, the manufacturing cost height, the installation, maintenance trouble.

Summary of the invention

The objective of the invention is to be to overcome the shortcoming of existing full-automatic plastic bottle blowing machine, provide a kind of Stretch and Blow Mechanism can directly get the plastic bottle-pipe after the heating in the heater, and send in the mould, simple in structure, cost is low, and manufacturing, installation, maintenance be automatic rotary plastic bottle blowing machine easily.

The technical scheme of automatic rotary plastic bottle blowing machine of the present invention is: be made up of the heater of plastic bottle-pipe and the bottle mechanism of stretch blow moulding, heater is provided with the feed mechanism and the cutting agency of plastic bottle-pipe, the bottle mechanism of stretch blow moulding is mounted in the template in the frame, drive the cylinder and the chain bar assembly of template folding, installation mold in template, draft cylinder and air blowing cylinder are installed on the frame simultaneously, draft cylinder drives the stretching bar, the bottle mechanism that it is characterized in that the stretch blow moulding is installed on the swivel plate, on template and mould, in the methods, rack pipe taking tongs is installed, the plastic bottle mouth of pipe after the jaw of pipe taking tongs stretches into heater and heats matches, and the plastic bottle-pipe after reciprocating pipe taking tongs will heat is brought mould into.

Automatic rotary plastic bottle blowing machine of the present invention, its bottle mechanism that is installed in the stretch blow moulding on the swivel plate are equally distributedly promptly can organize a plurality of stations more than 1 group or 1 group more.Its swivel plate is driven by the central shaft that rotates, and the bottle mechanism of the stretch blow moulding on the swivel plate is uniform 1 group-12 groups, and each group is installed around the central shaft that rotates.Its draft cylinder and air blowing cylinder of respectively organizing in the bottle mechanism of stretch blow moulding uses separately independently control valve respectively.The jaw of its pipe taking tongs matches with the plastic bottle mouth of pipe that the heater cutting agency comes out, and pipe taking tongs is driven by mechanisms such as getting pipe cylinder or cam.Its heater has driving shaft, and the central shaft of rotation and the driving shaft of heater are driven by same power.Its heater has driving shaft, and heater has material separating disc, and material separating disc has turning cylinder, and the turning cylinder of the central shaft of rotation and the driving shaft of heater and bottle pipe material separating disc is that same power drives.

Automatic rotary plastic bottle blowing machine of the present invention compared with the prior art, have following characteristics: the one, the bottle mechanism of stretch blow moulding is installed on the swivel plate, a side that rotates to heater when rack-mounted pipe taking tongs is, bottle pipe after directly will heating is taken in the mould, simple in structure, manufacturing, installation, convenient transportation, laborsaving.The 2nd, the bottle mechanism of stretch blow moulding can have many groups (a plurality of station), so speed of production is fast, and the efficient height.The 3rd, the bottle mechanism of the stretch blow moulding of each group is used separately independently control valve respectively, making work is continuous operation, does not stop.The 4th, the central shaft that rotates and the driving shaft of heater are driven by same power, mutually coordination.The 5th, the turning cylinder of the central shaft that rotates and the driving shaft of heater and bottle pipe material separating disc is that same power drives, and cooperates more reliable.

Description of drawings

Fig. 1 is a kind of embodiment vertical view of automatic rotary plastic bottle blowing machine of the present invention;

Fig. 2 is this automatic rotary plastic bottle blowing machine schematic perspective view;

Fig. 3 is that this automatic rotary plastic bottle blowing machine A is to schematic diagram.

The specific embodiment

The invention discloses a kind of automatic rotary plastic bottle blowing machine, can be divided into the heater of plastic bottle-pipe and the bottle mechanism two large divisions of stretch blow moulding forms, heater is provided with the feed mechanism and the cutting agency of plastic bottle-pipe, the essential structure of heater such as Fig. 1, Fig. 2 and shown in Figure 3, be that driving shaft 4 drives drive sprocket 5, drive driven sprocket 8 through chain 9, driven sprocket has driven shaft 7, a bottle piping support pipe is arranged in the chain, the heated holder 6 that usefulness is installed is arranged, can make the rotation chain 10 of supporting pipe rotation etc., but the concrete pattern of heater has various structure, and the technical program is owing to can adopt multistation, the production efficiency height, heater require the speed of heating also to want fast, so can be a plurality of (accompanying drawings 1 that heat back and forth, Fig. 2 has only one and heats back and forth).Because be full-automatic, therefore plastic bottle-pipe 22 enters from the guide rail 1 of material separating disc 2, automatically the supporting pipe to heater chain 9 cooperates, so automatic feed mechanism 3 is arranged, automatic blanking mechanism 11 is arranged after the heating, the technical scheme of automatic feed mechanism 3 and cutting agency 11 is a lot, belong to prior art, for example feed mechanism 3 can be by conduit jacking the bottle pipe up to be pushed up shown in the right of heater among Fig. 3, makes plastic bottle-pipe 22 muzzles support the pipe outside in chain, its conduit jacking has push pipe lobe plate 32, push pipe cam 33, push rod roller 34, push rod 35, back-moving spring 36 and support 37 are formed, cutting agency 11 be plastic bottle-pipe 22 ' from the supporting pipe after will heating by one group of press mechanism toward pressing down, a bottle pipe is deviate from, a bottle pipe plate 38 in trust again of deviating from is held.In a word, the feed mechanism of plastic bottle pipe heating device and cutting agency have patent in addition, and can adopt other scheme in concrete enforcement, not limited by accompanying drawing.The bottle mechanism of stretch blow moulding is mounted in the template 16 in the frame 18, drive the cylinder 19 and the driving-chain bar assembly 17 of template 16 foldings, installation mold 23 in the template, draft cylinder 25 and air blowing cylinder 39 are installed on the frame simultaneously, draft cylinder 25 drives stretching bar 24, and the bottle mechanism of stretch blow moulding is also identical with prior art.Its major technology is characterised in that the bottle mechanism of stretch blow moulding is installed on the swivel plate 21, as Fig. 1, Fig. 2 and shown in Figure 3, swivel plate 21 is driven by central shaft 20, pipe taking tongs 13 is installed in the methods, rack on template 16 and mould 23, and (pipe taking tongs is reciprocating manipulator, concrete structure is a lot), plastic bottle-pipe 22 ' mouth that the jaw 12 of pipe taking tongs 13 stretches into after (reaching) heater and the heating matches, the plastic bottle-pipe 22 after reciprocating pipe taking tongs 13 will heat ' bring into mould.Plastic bottle-pipe 22 ' (as shown in Figure 3) during work after heating held bottle pipe 22 ' (being positioned at the protruding below of neck of bottle pipe) by the trustship plate 38 of cutting agency, rotation along with swivel plate 21, the jaw 12 of getting the pipe taking tongs 13 that pipe cylinder 14 releases that is installed on the bottle mechanism of stretch blow moulding is clamped, then contract behind the pipe taking tongs 13, heating bottle pipe 22 in the jaw 12 ' deliver in the mould 23, and jaw 12 continues to clamp the bottle pipe, draft cylinder 25 on the support 18 drives stretching bar 24 and 39 work of air blowing cylinder, plastic bottle 22 " stretch blow moulding; the plastic bottle 22 of moulding " sent by the jaw clamping again, transported bottle by conveyer belt again by (as shown in Figure 2).Its bottle mechanism that is installed in the stretch blow moulding on the swivel plate 21 is uniform more than 1 group or 1 group.Because of swivel plate 21 is driven by the central shaft 20 that rotates, the bottle mechanism of the stretch blow moulding on the swivel plate is uniform 1 group-12 groups, and each group is installed around the central shaft 20 that rotates, and is the center with the central shaft, is 3 groups as shown in Figure 1.Its draft cylinder and air blowing cylinder of respectively organizing in the bottle mechanism of stretch blow moulding uses separately independently control valve respectively, the operation work that stops between realizing continuously not.The jaw 12 of its pipe taking tongs matches with plastic bottle-pipe 22 ' mouth that the heater cutting agency comes out, and pipe taking tongs 13 is generally driven by getting pipe cylinder 14, but also can be driven by cam mechanism etc., is a kind of reciprocating motion.Its heater has driving shaft 4, and the driving shaft of the central shaft of rotation 20 and heater 4 is driven by same power, helps harmonious mutually.And heater has driving shaft 4 in actual product, the feed mechanism of heater has material separating disc 2, material separating disc has turning cylinder 30, so the central shaft 20 that preferably rotates is that same power drives with the driving shaft 4 of heater and the turning cylinder 30 of bottle pipe material separating disc.General driven by motor driving shaft 4 drives turning cylinder 30 and material separating disc 2 through gear 41,31.Driving shaft 4 drives central shaft 20 by relevant transmission device, and same fixed

head

15,40 is arranged.

Claims

1. automatic rotary plastic bottle blowing machine, formed by the heater of plastic bottle-pipe and the bottle mechanism of stretch blow moulding, described heater is provided with the feed mechanism and the cutting agency of plastic bottle-pipe, the bottle mechanism of described stretch blow moulding is mounted in the template in the frame, drive the cylinder and the chain bar assembly of template folding, installation mold in template, draft cylinder and air blowing cylinder are installed on the frame simultaneously, draft cylinder drives the stretching bar, the bottle mechanism that it is characterized in that described stretch blow moulding is installed on the swivel plate (21), in the last methods, rack of template (16) and mould (23), pipe taking tongs (13) is installed, the plastic bottle-pipe (22 ') that the jaw of pipe taking tongs (12) stretches into after heater and the heating mouthful matches, and the plastic bottle-pipe (22 ') after reciprocating pipe taking tongs (13) will heat is brought mould (23) into.

2. automatic rotary plastic bottle blowing machine as claimed in claim 1, the bottle mechanism that it is characterized in that being installed in the stretch blow moulding on the swivel plate (21) are uniform more than 1 group or 1 group.

3. automatic rotary plastic bottle blowing machine as claimed in claim 1, it is characterized in that swivel plate (21) is driven by the central shaft (20) that rotates, the bottle mechanism of the stretch blow moulding on the swivel plate (21) is uniform 1 group one 12 groups, and each group is installed around the central shaft (20) that rotates.

4. as claim 2 or 3 described automatic rotary plastic bottle blowing machines, the draft cylinder and the air blowing cylinder that it is characterized in that respectively organizing in the bottle mechanism of stretch blow moulding use separately independently control valve respectively.

5. automatic rotary plastic bottle blowing machine as claimed in claim 1, the jaw (12) that it is characterized in that pipe taking tongs matches with plastic bottle-pipe (22 ') mouth that the heater cutting agency comes out, and pipe taking tongs (13) is driven by getting pipe cylinder (14) or cam mechanism.

6. as claim 1 or 3 described automatic rotary plastic bottle blowing machines, it is characterized in that heater has driving shaft (4), the central shaft of rotation (20) is driven by same power with the driving shaft (4) of heater.

7. as claim 1 or 3 described automatic rotary plastic bottle blowing machines, it is characterized in that heater has driving shaft (4), heater has material separating disc (2), material separating disc has turning cylinder (30), and the central shaft of rotation (20) is that same power drives with the driving shaft (4) of heater and the turning cylinder (30) of bottle pipe material separating disc.