CN2306883Y

CN2306883Y - Device for producing co-extrusion moulding double wall plastic bellows

Info

Publication number: CN2306883Y
Application number: CN 97202345
Authority: CN
Inventors: 孔令武; 孟令纲; 曹振德
Original assignee: DONGFENG PLASTIC FACTORY CANGZ
Current assignee: CANGZHOU MINGZHU PLASTIC Co.,Ltd.
Priority date: 1997-03-07
Filing date: 1997-03-07
Publication date: 1999-02-10
Anticipated expiration: 2007-03-07

Abstract

The utility model provides a device for producing co-extrusion molding double wall plastic bellows. A double wall type co-extrusion hand piece is used as the co-extrusion hand piece which connects two base material extrusion machines, and the double wall type co-extrusion hand piece is composed of an inner ring sleeve, a middle ring sleeve, an outer ring sleeve, a pipe core, a pipe sleeve, an electric heater, an inner air inlet pipe joint, an outer air inlet pipe joint, a water pipe joint and a bent connecting pipe, and the elements of the double wall type co-extrusion hand piece are connected. A closed cooling water channel which is composed of an internal casting double-flat connection pipe is used by the bellows module of a shaping machine. The utility model has the advantages of novel structure, high productive efficiency, stable production quality and convenient operation, and the bellows whose inner and the outer walls have different colors and different materials can be produced. Thus the utility model is a novel plastic pipe manufacturing machine.

Description

Co-extrusion type double-walled plastic film capicitor process units

The utility model relates to a kind of manufacturing machine of plastic pipe, especially a kind of plastic film capicitor coextrusion mold device.

In the extrusion molding processing equipment of plastic pipe, existing plastic film capicitor process units mainly is made up of two stylobate material extruders, co-extruding machine head, Wrapping formed machine and cooling system, it makes corrugated plastic tube through Wrapping formed machine more earlier by behind extruder and the co-extruding machine head extruded parisons.But because the single wall formula co-extruding machine head that the co-extruding machine head in the existing machinery is made up of interior cover and overcoat, again through Wrapping formed, its production efficiency is low, unstable product quality; Be the steel body structure that bellows typing module in the make-up machine mostly is straight casting formula inner lead again, its heat conduction is slower, and easily causes cooling water seepage in the module, and directly influence use.

The purpose of the utility model provides a kind of novel plastic film capicitor process units, makes novel, high, the constant product quality of production efficiency of its structure, and the conduction of typing module heat is fast, easy to use.

For achieving the above object, the solution of the utility model employing is: co-extruding machine head is made for the double-walled tubular type co-extruding machine head of being made up of horn-like inner ring sleeve, middle ring sleeve, outer ring set and tube core, sleeve pipe, electric heater, interior air inlet pipe joint, external admission pipe joint, cooling water pipe joint, bent union.Outside tube core, interlock horn-like inner ring sleeve, inner ring sleeve interlocks middle ring sleeve outward, middle ring sleeve interlocks the outer shroud cover outward, bent union tube connector outer wall base-material extruder and inwall base-material extruder are housed respectively on ring set two lateral bodys outside, the outer wall extruder is communicated with the outer ring set of co-extruding machine head by bent union and cooperates the outer wall that constitutes to extrude the duct with middle ring sleeve, the inwall extruder is communicated with the co-extruding machine head middle ring sleeve by bent union and cooperates the inwall that constitutes to extrude the duct with inner ring sleeve, be fitted with sleeve pipe at inner ring sleeve loudspeaker oral area, in the annular distance between sleeve pipe and the inner ring sleeve electric heater is housed, and the interior air inlet pipe joint that is communicated with air flue between tube core and sleeve pipe and the inner ring sleeve is housed in cannula tip, the external admission pipe joint of the annular air channel that is communicated with the middle ring sleeve body is housed on the middle ring sleeve top, also is fitted with the cooling water pipe joint in die top.During use, the plastics of being extruded by outer wall base-material extruder duct of extruding between ring set and the middle ring sleeve outside bent union enters co-extruding machine head becomes the outer wall pipe, the duct of plastics between co-extruding machine head middle ring sleeve and inner ring sleeve of being extruded by inwall base-material extruder forms the inside pipe wall parison, the gas of carrying via the external admission pipe expands the type groove that the outer wall pipe is adjacent to the make-up machine module again, the gas expanding inwall pipe of being carried by interior air inlet pipe is connected with the outer wall pipe, is made for the compound plastic film capicitor of double-walled.

The closed cooling water channel that the two flat pipes of casting constituted in the bellows module of make-up machine adopted, the module matrix is cast by aluminium alloy.

Because co-extruding machine head of the present utility model has adopted double-walled tubular type co-extruding machine head, forming module has adopted the closed cooling water channel of the two flat pipes of interior casting, make this plastic film capicitor process units direct co-extrusion to become the double-walled pipe to be shaped into pipe, its novel structure, technology is simple, production efficiency height, constant product quality, forming module heat are conducted soon, cost is low, easy to use, and can be made into the double-wall corrugated pipe of inside and outside wall different colours, unlike material, be a kind of novel plastic pipe manufacturing machine.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is a whole diagrammatic sketch of the present utility model.

Fig. 2 is the amplification view of co-extruding machine head among Fig. 1.

Fig. 3 is the front view of module (5) in the make-up machine among Fig. 1 (4).

Fig. 4 be Fig. 3 A-A to cutaway view.

Fig. 5 is the vertical view of Fig. 3.

As shown in Figure 1, the utility model comprises: pipe outer wall base-material extruder (1), inwall base-material extruder (2), co-extruding machine head (3) and make-up machine (4).The concrete structure of co-extruding machine head (3) is referring to accompanying drawing 2, the double-walled tubular type co-extruding machine head (3) that co-extruding machine head is made up of tube core (16), sleeve pipe (10), inner ring sleeve (15), middle ring sleeve (14), outer ring set (13), electric heater (12), external admission pipe joint (7), interior air inlet pipe joint (8), water pipe head (9) and bent union (6,11).Inner ring sleeve (15), middle ring sleeve (14) and outer ring set (13) are horn-like body.On tube core (16), interlock inner ring sleeve (15), inner ring sleeve (15) body interlocks middle ring sleeve (14) outward, the body of middle ring sleeve (14) interlocks outer shroud cover (13) outward, middle ring sleeve (14) cooperates with outer ring set (13) and constitutes that the pipe outer wall is extruded the duct and by bent union (6) the communicating pipe outer wall base-material extruder (1) of load on outer ring set (13), middle ring sleeve (14) cooperates the formation inside pipe wall to extrude the duct and passes through middle ring sleeve (14) with inner ring sleeve (15), longitudinal hole on the outer ring set (13) and bent union (11) communicating pipe inwall base-material extruder (2), load sleeve pipe (10) in inner ring sleeve (15) is bell-mouthed, and load electric heater (12) in the annular distance between inner ring sleeve (15) and sleeve pipe (10), air inlet pipe joint (8) in be equipped with on sleeve pipe (10) top, pipe joint (8) is communicated with tube core (16) and sleeve pipe (10), cooperate the interior air inlet duct that constitutes between the inner ring sleeve (15), at the Xiang Duan of middle ring sleeve (14) external admission pipe joint (7) is housed and is communicated with annular air channel on middle ring sleeve (14) body, also advancing of cooling water is housed at the top of tube core (16), titting water outlet (9).

With reference to accompanying drawing 3, Fig. 4, Fig. 5, the closed cooling water channel that the two flat pipes (17) of casting were formed in the bellows typing module (5) in the utility model make-up machine (4) adopted; The module matrix is by aluminium alloy casting, and the two flat pipe (17) of interior casting is the copper flat tube.

The base-material extruder adopts Ф 65 type single screw extrusion machines and Ф 90 type single screw extrusion machines; Also can match other type extruder according to product needed.

Claims

1, a kind of co-extrusion type double-walled plastic film capicitor process units, comprise two stylobate material extruders, make-up machine and by tube core, inner ring sleeve, outer ring set, water pipe head, the co-extruding machine head that bent union is formed, it is characterized in that co-extruding machine head is for also comprising middle ring sleeve (14), sleeve pipe (10), electric heater (12), the double-walled tubular type co-extruding machine head (3) that external admission pipe joint (7) and interior air inlet pipe joint (8) are formed, it is external that middle ring sleeve (14) is connected in the cover of inner ring sleeve (15), outside the body of middle ring sleeve (14), interlock outer shroud cover (13), middle ring sleeve (14) cooperates the pipe outer wall that constitutes to extrude the duct by bent union (6) the communicating pipe outer wall base-material extruder (1) on the outer ring set (13) with outer ring set (13), middle ring sleeve (14) cooperates the formation inwall to extrude the duct by middle ring sleeve (14) with inner ring sleeve (15), longitudinal hole on the outer ring set (13) and bent union (11) communicating pipe inwall base-material extruder (2), sleeve pipe (10) load is in the horn mouth of inner ring sleeve (15), and load electric heater (12) in the annular distance between sleeve pipe (10) and inner ring sleeve (15), also the interior air inlet pipe joint (8) in air inlet duct in connection is equipped with on the top of sleeve pipe (10) is equipped with the external admission pipe joint (7) that is communicated with annular air channel on middle ring sleeve (14) body on the top of middle ring sleeve (14).

2, plastic film capicitor process units according to claim 1 is characterized in that the bellows typing module of make-up machine is the module (5) of the two flat pipes (17) of interior casting.

3, plastic film capicitor process units according to claim 2, the matrix that it is characterized in that module (5) are by aluminium alloy casting, and the two flat pipe (17) of interior casting is the copper flat tube.