CN2843818Y

CN2843818Y - Demoulding mechanism of plastic draw blower

Info

Publication number: CN2843818Y
Application number: CN 200520015538
Authority: CN
Inventors: 汪祥建
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-10
Filing date: 2005-10-10
Publication date: 2006-12-06
Anticipated expiration: 2015-10-10

Abstract

The utility model relates to a demoulding mechanism of a plastic drawing and blowing machine, which is provided with a rotary machine frame of a plastic drawing and blowing machine. A main shaft connected with one side of a left mould plate and a right mould plate is installed in a machine frame, and a mould locking mechanism is arranged at the other side of the left mould plate and the right mould plate. The utility model is characterized in that a bottle pulling shaft is installed in the machine frame below the central line of the mould plates. The lower end of the bottle pulling shaft is in contact with a bottom mould guide rail fixed to a machine base, and a restoring spring is arranged in the bottle pulling shaft. In the technical project, when the mould pulling shaft is rotated to the position of the bottom mould guide rail which is installed and fixed to the machine base along with the rotary machine frame after the drawing and blowing mould plate finishes the drawing and blowing working procedure, the bottle pulling shaft whose upper part is abutted against the plastic bottle moulded by drawing and blowing is upwards pushed through the bevel of the bottom mould guide rail to make the opening of the plastic bottle abutted out of the mould, which is favorable for the ingestion of the plastic bottle by a mechanical arm. After the work is finished, the bottle pulling shaft drops from the climax of the guide rail and returns to the original position under the action of the restoring spring.

Description

Plastic drawing/blowing machine demolding mechanism

Technical field

The utility model relates to Plastic drawing/blowing machine demolding mechanism, belongs to the process equipment of plastic hollow vessel.

Background technology

In the processing technology of plastic hollow vessel, can adopt notes, stretch blow method, at first plastic raw materials is annotated and is made the bottle pipe by injection machine, then plastic bottle-pipe is heated, again to the bottle pipe after the heating by stretch blow machine stretch blow moulding, so need plastic draw-blow machine.Plastic draw-blow machine is that the plastic bottle-pipe after the heating is clipped in the mould of left and right two templates, and two templates and mould open together after the stretch blow moulding, because plastics spout is sandwiched in two moulds the free-falling from two moulds of the plastic bottle of moulding.But in the stretch blow process, because that plastic bottles and mould paste mutually is very tight, though two moulds open, can bottle still is attached in the mould often, such one is the quality that not only influences plastic bottle in falling; The 2nd, be close to the plastic bottle difficult drop-off sometimes in the mould; The 3rd, plastics spout be sandwiched in can not realize in two moulds manipulator get the bottle automated production.

Summary of the invention

The purpose of this utility model is in order to overcome the shortcoming that prior art exists, to provide a kind of plastic bottle of moulding that makes to break away from mould, and help the Plastic drawing/blowing machine demolding mechanism of manipulator picked-up.

The technical scheme of the utility model Plastic drawing/blowing machine demolding mechanism is: the stretch blow machine frame that a rotation is arranged; main shaft is installed in frame; main shaft connects a side of left and right template; the opposite side of left and right template has clamping mechanism; it is characterized in that installing in the frame of template center line below and push away the bottle axle; push away bottle axle lower end and contact with bed die guide rail on being fixed on support, pushing away in the bottle spool has back-moving spring.The technical program is when the stretch blow template is finished stretch blow operation pusher mold shaft and forwarded the bed die guide rail position that is installed on the fixing support to along with the frame of rotation, to push away the bottle axle through the bed die plurality of ramps up pushes away, push away bottle axle top and head on the plastic bottle of stretch blow moulding, make plastics spout eject mould, the one, plastic bottle breaks away from mould fully; The 2nd, help manipulator picked-up plastic bottle, behind end-of-job, push away the bottle axle and fall after rise from the guide rail peak, under action of reset spring, reset.

Plastic drawing/blowing machine demolding mechanism of the present utility model is installed roller in the lower end that pushes away the bottle axle, and being contacted with the bed die guide rail by roller helps trouble-free operation.Its described roller is a shield bearing, long service life, and operational effect is better.

Description of drawings

Fig. 1 is the utility model Plastic drawing/blowing machine demolding mechanism structural representation;

Fig. 2 is the utility model Plastic drawing/blowing machine demolding mechanism structure schematic top plan view.

The specific embodiment

The utility model discloses a kind of Plastic drawing/blowing machine demolding mechanism; be meant multistation plastic stretch-blow machine; the stretch blow machine frame 1 that a rotation is arranged; fixing non-rotary support 10 is arranged under the frame; as shown in Figure 1; main shaft 2 is installed in frame; main shaft connects a left side; right template 3; a side of 4 and with open; clamping 12 links to each other; a left side; right template 3; 4 opposite side has clamping mechanism 5; so this mechanism is applicable to the jaw type plastic draw-blow machine; a left side; one side of right two templates is fixing rotations; and opposite side is out; resultant motion; its major technology is characterised in that to install in the frame 1 of template center's line 6 belows and pushes away bottle axle 7, pushes away bottle axle lower end and contacts with bed die guide rail 11 on being fixed on support 10, and pushing away in the bottle spools 7 has back-moving spring 8.Roller 9 is installed in its lower end that pushes away bottle axle 7, is contacted with bed die guide rail 11 by roller 9.Its described roller 9 is shield bearings.When work, push away bottle axle 7 along with whole frame rotation, and that the bed die guide rail is installed on the support 10 is motionless, and bed die guide rail 11 is positioned on the below support 10 of stretch blow template center line, when pushing away bottle axle 7 along with the frame rotating operation during to the position of bed die guide rail, at this moment plastic bottle also just begins die sinking after the stretch blow moulding, and bed die guide rail 11 will push away bottle axle 7 and up push up (promotion), push away mold shaft plastics spout is released mould, by the manipulator on top picked-up plastic bottle.

Claims

1, Plastic drawing/blowing machine demolding mechanism; the stretch blow machine frame (1) that a rotation is arranged; main shaft (2) is installed in frame; main shaft connects a side of left and right template (3,4); the opposite side of left and right template (3,4) has clamping mechanism (5); it is characterized in that installing in the frame (1) of template center's line (6) below and push away bottle axle (7), push away bottle axle lower end and contact with bed die guide rail (11) on being fixed on support (10), pushing away in the bottle spool (7) has back-moving spring (8).

2, Plastic drawing/blowing machine demolding mechanism as claimed in claim 1 is characterized in that pushing away bottle lower end of axle (7) roller (9) is installed, and is contacted with bed die guide rail (11) by roller (9).

3, Plastic drawing/blowing machine demolding mechanism as claimed in claim 1 is characterized in that described roller (9) is a shield bearing.