CN2352326Y

CN2352326Y - Horizontal pushing extruding machine

Info

Publication number: CN2352326Y
Application number: CN 97221331
Authority: CN
Inventors: 徐凌秀; 朱复华; 张忠臣
Original assignee: Yuandong Plastic Engineering Co Ltd Qingdao High Tech Industry Zone
Current assignee: Yuandong Plastic Engineering Co Ltd Qingdao High Tech Industry Zone
Priority date: 1997-07-18
Filing date: 1997-07-18
Publication date: 1999-12-08
Anticipated expiration: 2007-07-18

Abstract

The utility model relates to a horizontal type pushing extruding machine. A machine frame of the utility model is in a horizontal type, and is composed of a front supporting plate, a rear supporting plate, a draw rod and a base. The pushing extruding machine makes the horizontal reciprocating motion. A core rod is composed of a front core rod, a rear core rod and a diverter which are fixedly connected together. A mould body is composed of an outer mould body and a blanking opening mould, the diverter is fixedly connected between the outer mould body and the blanking opening mould, the outer mould body and the front supporting plate of the machine frame are fixedly connected, and a feed inlet is arranged on the blanking opening mould. The utility model can complete the processing processes of continuous pushing, extrusion, sintering and forming, and is suitable for processing polytetrafluoroethylene circular pipes and special pipes.

Description

Horizontal pushing extruder

The utility model relates to a kind of pressure processing machinery that is used for plastic shaping, especially for the continuously shaped production of polyfluortetraethylene pipe.

Supermolecule amount material for example polytetrafluoroethylene (PTFE) has good impact resistance and decay resistance, but because the melt flow index of material is zero, poor mobile performance, its goods processing method for molding and sintering batch production commonly used, production efficiency is low.Can process by the quantity-produced screw extruder if will adopt, then need add low molecular weight material and could realize extruding machine-shaping, also reduced the performance of material thus with the mobile performance of improving material.There is a kind of vertical pushing extruder can continuous processing polytetrafluoroethylregenerated goods, its structure is made of pushing machine, frame, hopper, plug and die body, be in vertical reciprocating motion by hydraulic press, hydraulic jack, travel switch control pushing machine, on die body, be provided with heater, pushing, base, sintering are finished continuously, because this machine is vertically can only produce the little goods of length dimension, can not be used to process the such long products of image tube material.

The purpose of this utility model provides a kind of horizontal pushing extruder that can produce polyfluortetraethylene pipe continuously, and this function is finished pushing continuously, extruded, the sinter molding process.

The frame of the horizontal pushing machine of the utility model is horizontal, and frame is made of preceding support plate, back support plate, pull bar and base; The pushing machine is made horizontal reciprocating movement; Plug is made of preceding plug, back plug and current divider and is fixed together; Die body is made of outer die body and blanking port mould, fixedly connected current divider between die body and the blanking port mould outside, and outer die body is fixedlyed connected with the preceding support plate of frame; Charge door is located on the blanking port mould.The stroke of pushing machine is a 4-6 preceding plug external diameter doubly, and oscillation cycle is 10-18 second.Being connected between current divider and preceding plug and the back plug is threaded, screw is connected or weld.

Fig. 1 is the structure chart of the horizontal pushing extruder of the utility model.

Fig. 2 for current divider of the present utility model and preceding plug and afterwards the screw that is connected between the plug be connected an example.

The utility model is made of pushing machine 1, frame 2, hopper 3, plug 4 and die body 5 as shown in Figure 1.Frame 2 is a horizontal type structure, is made of preceding support plate 2A, back support plate 2B, pull bar 2C and base 2D.Plug 4 is made of preceding plug 4A, back plug 4B and current divider 4C.Die body 5 is made of blanking port mould 5A and outer die body 5B.Can adopt being threaded as shown in Figure 1 being connected between current divider 4C and preceding plug 4A and the back plug 4B, can also adopt as shown in Figure 2 that screw connects, perhaps be welded to connect.Being threaded is suitable for process small tubes, and screw connects and is suitable for processing bigger pipe.Shown in 2, outer die body 5B is fixedlyed connected with screw 6 with preceding support plate 2A.Outer die body 5B is fixedlyed connected with screw 6 with blanking port mould 5A.Hole 7 on the current divider 4C is by the isolated annular aperture of dowel, annular space shape between die body 5 and the plug 4 is consistent with the goods section configuration of processing with the annular aperture of current divider 4C, is used for the processing of various special section tubular products such as corresponding circle, triangle, rectangle or I-shaped pipe.Operation principle of the present utility model as shown in Figure 1, hydraulic jack 8 drives pushing machine 1 by hydraulic press control and makes horizontal reciprocating movement, stroke and oscillation cycle are by travel switch 9 controls.The raw material powder enters the blanking port mould 5A from hopper 3 addings, move as normotopia through 1 pushing of pushing machine, the annular space of material between die body 5 and plug 4 and the annular aperture formation pipe of current divider 4C, die body 5B is provided with heater 11 and makes pipe be heated to 120-150 ℃ continuously outside, and material is sintered moulding.Be provided with cooling water ring 10 outside between die body 5B and the preceding support plate 2A, make cooling water ring 10 too high with the unlikely temperature in right part position.Pushing machine 1 is done pushing, pressurize and returns to be one-period, realizes continued operation.The stroke of pushing machine is a 4-6 preceding plug outside dimension doubly, and oscillation cycle is 10-18 second, just can guarantee the quality of extruding, sintering.Because this machine is that the length of horizontal its goods is unrestricted, therefore be fit to processing polytetrafluoroethylregenerated Guan Pin, for example: when the polytetrafluoroethyltubing tubing of Φ 20 * 2mm was extruded in pushing, adopting the external diameter of looping pit was the current divider of 20mm, the optional 120mm of pushing machine stroke, optional 12 seconds of oscillation cycle.

Claims

1, a kind of horizontal pushing extruder, constitute by pushing machine, frame, hopper, plug, die body, the pushing machine is driven reciprocating by hydraulic press control hydraulic jack, it is characterized in that: frame is horizontal, is made of preceding support plate, back support plate, pull bar and base; The pushing machine is made horizontal reciprocating movement; Plug is made of preceding plug, back plug and current divider and is fixed together; Die body is made of outer die body and blanking port mould, fixedly connected current divider between die body and the blanking port mould outside, and outer die body is fixedlyed connected with the preceding support plate of frame; Charge door is located on the blanking port mould.

2, pushing extruder according to claim 1 is characterized in that: the stroke of pushing machine is a 4-6 preceding plug external diameter doubly, and oscillation cycle is 10-18 second.

3, pushing extruder according to claim 1 is characterized in that: being connected between current divider and preceding plug and the back plug is threaded or screw is connected.