CN208867527U - A kind of multi-functional pipe extruder head - Google Patents

Abstract

A kind of multi-functional pipe extruder head, head is made of die body, it is upper in the middle part of the axial direction of die body that through-hole is set, annular tubing die cavity is formed between the outer peripheral surface of mold core and the internal perisporium of through-hole, annular tubing die cavity is connected with feed inlet, the first die body that die body is arranged successively by front and back, second die body and third die body composition, middle layer tubing annular die cavity is provided between first die body and the second die body, outer layer tubing annular die cavity is provided between second die body and third die body, annular tubing die cavity, middle layer tubing annular die cavity, outer layer tubing annular die cavity is the concentric structure by being arranged successively outward radially within, and annular tubing die cavity, middle layer tubing annular die cavity, outer layer tubing annular die cavity can be interconnected, middle layer die cavity import and outer layer die cavity import are respectively set on the side of die body, in the outlet for being located at ring pipe material die cavity Internal layer sealing ring is arranged in portion, and middle layer sealing ring is arranged in the outlet portion for being located at middle tube material annular die cavity.The advantage is that: being adjustable the gum cover number of plies.

Description

A kind of multi-functional pipe extruder head

Technical field

The utility model relates to a kind of molding die manufacture technology field, a kind of especially multi-functional pipe extruder head.

Background technique

Application No. is in CN201310736349.7 entitled " the disposal molding mold of double tube " for existing one kind State's invention patent application discloses a kind of disposal molding mold of double tube comprising the first mold core, the second mold core, mould Set, the first mold core cover on the second mold core, and the second mold core covers on die sleeve, and the first mold core includes boss, ring set, the first mold core Body, cone connection, the second mold core body, boss rise positioned at the centre of ring set, and one end of the first mold core body and boss play connection, cone One end of shape interconnecting piece is connect with the other end of the first mold core body, the other end connection of the second mold core body and cone connection；The Two mold cores include screw thread, annular protrusion, conical outlet, circular hole, through-hole, groove, and screw thread is located at close to the first mold core, annular protrusion The lower section of screw thread, conical outlet are located at the lower section of annular protrusion, and circular hole is irregularly arranged on annular protrusion, and through-hole is located at cone In shape outlet.The disposal molding mold of the invention double tube improves shaping speed, reduces cost, improves production efficiency.So And the mold is only used for production double tube, therefore the structure of the mold also needs to be further improved.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of multi-functional tube for above-mentioned state of the art Material squeezes out head, this head is adjustable the number of plies for squeezing out gum cover to make single layer gum cover, the double-deck gum cover or three layers of gum cover, uses It is convenient, have a wide range of application.

Technical solution adopted by the utility model to solve the above technical problems is as follows: this multi-functional pipe extruder head, institute Head is stated to be made of die body, in the middle part of the axial direction of the die body on be provided with the through-hole that can protrude into mold core, the periphery of the mold core Annular tubing die cavity is formed between face and the internal perisporium of through-hole, the annular tubing die cavity is connected with feed inlet, and feature exists In: the first die body, the second die body and the third die body that the die body is arranged successively by front and back form, first die body and second It is provided with middle layer tubing annular die cavity between die body, outer layer tubing circular die is provided between second die body and third die body Chamber, the annular tubing die cavity, middle layer tubing annular die cavity, outer layer tubing annular die cavity are by being arranged successively outward radially within Concentric structure, and the annular tubing die cavity, middle layer tubing annular die cavity, outer layer tubing annular die cavity can be interconnected, Be respectively arranged on the side of die body the middle layer die cavity import being connected with middle layer tubing annular die cavity and with outer layer tubing ring The outer layer die cavity import that shape die cavity is connected, be located at ring pipe material die cavity outlet portion be provided with when head make two layers pipe or The internal layer sealing ring that annular tubing die cavity can be sealed up when mono-layer tube is provided in the outlet portion for being located at middle tube material annular die cavity The middle layer sealing ring of middle layer tubing annular die cavity can be sealed up when head makes mono-layer tube.

As an improvement, first die body, the second die body and third die body are preferably mutually located by bindiny mechanism It is connected as overall structure, the first bulge loop, the front end of first die body are provided on the edge of the rear end face of the third die body The second bulge loop is provided on the edge in face, be respectively arranged in a front surface and a rear surface of second die body before annular recess with Annular recess afterwards, when the first die body, the second die body and third die body are positioned with respect to front and back fine motion, first bulge loop is with before Annular recess mutually buckles always, and the second bulge loop mutually buckles always with rear annular recess.The advantages of this structure, is to be able to achieve The fine tuning of one die body, the second die body and the mutual longitudinal separation of third die body, to change annular tubing die cavity, middle layer tubing The openings of sizes in annular die cavity and outer layer tubing annular die cavity exit realizes the change to wall thickness of extrusion pipe, squeezes out symbol It closes and requires, thickness tubing appropriate, using effect is good, has a wide range of application.

As an improvement, the bindiny mechanism is preferably bolt and nut compatible with bolt, first die body, The corresponding position of second die body and third die body is respectively arranged with the bolt hole that can place bolt, first die body, second The bolt hole of die body and third die body penetrates the distance for finely tuning mutual longitudinal separation to setting after bolt and screws spiral shell again Nut on bolt is mutually located.

As an improvement, the first recess portion is preferably provided on the rear end face of the third die body, before second die body It is provided with the first protrusion on end face, forms the outer layer tubing between the inner wall of first recess portion and the outer wall of the first protrusion Annular die cavity.

As an improvement, the second recess portion is preferably provided on the rear end face of second die body, before first die body It is provided with the second protrusion on end face, forms the middle layer tubing between the inner wall of second recess portion and the outer wall of the second protrusion Annular die cavity.

As an improvement, the middle layer die cavity import and the import of outer layer die cavity are preferably separately positioned on the side wall of the second die body On, the middle layer die cavity import is connected by middle layer feeding-passage with middle layer tubing annular die cavity, the outer layer die cavity import It is connected by outer layer feeding-passage with outer layer tubing annular die cavity.

As an improvement, being preferably respectively arranged with the first groove and second on the front end face and rear end face of second die body The rear end face of groove, first groove and third die body fits and forms outer layer feeding-passage, second groove and the The front end face of one die body fits and forms middle layer feeding-passage.

As an improvement, be preferably provided on the rear end face of the third die body can third corresponding with the first groove it is recessed Slot, the third groove and the first groove are involutory and form outer layer feeding-passage.

As an improvement, being preferably provided with the loss of weight through-hole that can mitigate die body weight on the die body.

As an improvement, the mold core is preferably composed of cylindrical body and round estrade, the rear sidewall of the through-hole is It can inclined-plane corresponding with round estrade.

Compared with the prior art, the advantages of the utility model are: this head has annular tubing die cavity, middle layer tubing ring Shape die cavity and outer layer tubing annular die cavity, three die cavitys can feed respectively and from respective die cavity exit extruded material to Three layers of gum cover are formed, realize the one-pass molding of three layers of gum cover, shaping efficiency is high, good forming effect；It can according to need in annular The setting of tubing die cavity exit seals the internal layer sealing ring of annular tubing die cavity, and the setting of tube annular die cavity exit is close in middle level The middle layer sealing ring of middle layer tubing annular die cavity is sealed, so that head be enable to squeeze out single layer gum cover, the double-deck gum cover or three layers of gum cover； Die body has the first die body, the second die body and third die body composition, facilitates the processing of die cavity, convenient for cleaning replacement and assembling；Die body On be provided with loss of weight through-hole, can mitigate die body weight, reduce cost of manufacture.

Detailed description of the invention

Fig. 1 is cross-sectional view of the utility model embodiment along central axis；

Fig. 2 is the cross-sectional view after adding internal layer sealing ring in Fig. 1 along central axis；

Fig. 3 is the cross-sectional view after adding internal layer sealing ring and middle layer sealing ring in Fig. 1 along central axis；

Fig. 4 is the front projection figure of Fig. 3；

Fig. 5 is the structural schematic diagram of die body in the utility model embodiment；

Fig. 6 is the sectional view in Fig. 5 along line A-A；

Fig. 7 is the structural exploded view of Fig. 5；

Fig. 8 is further structural exploded view in Fig. 7；

Fig. 9 is the structural exploded view that Fig. 8 is in another angle；

Figure 10 is the enlarged drawing of the part I in Fig. 4.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Figures 1 to 10, the multi-functional pipe extruder head of the present embodiment, the head are made of die body, in institute It states and is provided with the through-hole 41 that can protrude into mold core 4, the outer peripheral surface of the mold core 4 and the inner circumferential of through-hole 41 on the axial middle part of die body Annular tubing die cavity 11 is formed between wall, the annular tubing die cavity 11 is connected with feed inlet, the die body by front and back successively The first die body 1, the second die body 2 and the third die body 3 of arrangement form, and is provided between first die body 1 and the second die body 2 Layer tube annular die cavity 21, is provided with outer layer tubing annular die cavity 31, the ring between second die body 2 and third die body 3 Shape tubing die cavity 11, middle layer tubing annular die cavity 21, outer layer tubing annular die cavity 31 are by being arranged successively outward radially within Concentric structure, and the annular tubing die cavity 11, middle layer tubing annular die cavity 21, outer layer tubing annular die cavity 31 can be mutually Connection, be respectively arranged on the side of die body the middle layer die cavity import 22 being connected with middle layer tubing annular die cavity 21 and with it is outer The outer layer die cavity import 32 that layer tube annular die cavity 31 is connected, is provided in the outlet portion for being located at ring pipe material die cavity 11 and works as machine The internal layer sealing ring 5 that annular tubing die cavity 11 can be sealed up when two layers of pipe of head production or mono-layer tube is being located at middle tube material annular The outlet portion of die cavity 21 is provided with the middle layer sealing ring that middle layer tubing annular die cavity 21 can be sealed up when head makes mono-layer tube 6.First die body 1, the second die body 2 and third die body 3 are mutually located by bindiny mechanism and are connected as overall structure, described It is provided with the first bulge loop 36 on the edge of the rear end face of third die body 3, is provided on the edge of the front end face of first die body 1 Second bulge loop 16 is respectively arranged with preceding annular recess 26 and rear annular recess in a front surface and a rear surface of second die body 2 27, when the first die body 1, the second die body 2 and third die body 3 are positioned with respect to front and back fine motion, first bulge loop 36 and front ring Shape recess portion 26 mutually buckles always, and the second bulge loop 16 mutually buckles always with rear annular recess 27.The bindiny mechanism be bolt and Nut compatible with bolt, the corresponding position of first die body 1, the second die body 2 and third die body 3 are respectively arranged with and can wear Set the bolt hole 14 of bolt, the bolt hole 14 of first die body 1, the second die body 2 and third die body 3 penetrates micro- after bolt The nut that the distance for adjusting mutual longitudinal separation to setting is screwed again on bolt is mutually located.

It is provided with the first recess portion 34 on the rear end face of third die body 3, is provided with first on the front end face of second die body 2 Protrusion 24 forms the outer layer tubing annular die cavity between the inner wall of first recess portion 34 and the outer wall of the first protrusion 24 31.It is provided with the second recess portion 25 on the rear end face of second die body 2, is provided with second on the front end face of first die body 1 Protrusion forms the middle layer tubing annular die cavity 21 between the inner wall of second recess portion 25 and the outer wall of the second protrusion.Institute It states middle layer die cavity import 22 and outer layer die cavity import 32 is separately positioned on the side wall of the second die body 2, the middle layer die cavity import 22 are connected by middle layer feeding-passage with middle layer tubing annular die cavity 21, and the outer layer die cavity import 32 is fed logical by outer layer Road is connected with outer layer tubing annular die cavity 31.It is recessed that first is respectively arranged on the front end face and rear end face of second die body 2 The rear end face of slot 23 and the second groove 28, first groove 23 and third die body 3 fits and forms outer layer feeding-passage, institute The front end face for stating the second groove 28 and the first die body 1 fits and forms middle layer feeding-passage.The rear end face of the third die body 3 On be provided with can third groove 35 corresponding with the first groove 23, the third groove 35 and the first groove 23 be involutory and Form outer layer feeding-passage.The loss of weight through-hole 15 that can mitigate die body weight is provided on the die body.The mold core 4 is by cylindrical body It is composed with round estrade, the rear sidewall of the through-hole 41 is can inclined-plane corresponding with round estrade.

Working principle: material respectively from annular tubing die cavity, middle layer tubing annular die cavity and outer layer tubing annular die cavity Outlet portion is extruded into three layers of gum cover, and internal layer sealing ring can seal the outlet of annular tubing die cavity, during middle layer sealing ring can seal The outlet of layer tube annular die cavity, when the outlet of annular tubing die cavity is sealed with the outlet of middle layer tubing annular die cavity, outer tube The outlet of material annular die cavity squeezes out single layer gum cover, and when annular tubing die cavity exit seal, middle layer tubing annular die cavity exports unsealing When, the outlet of middle layer tubing annular die cavity and the outlet of outer layer tubing annular die cavity squeeze out the double-deck gum cover.

Claims (10)

1. a kind of multi-functional pipe extruder head, the head are made of die body, in the middle part of the axial direction of the die body on be provided with The through-hole (41) of mold core (4) can be protruded into, forms annular tubing between the outer peripheral surface of the mold core (4) and the internal perisporium of through-hole (41) Die cavity (11), the annular tubing die cavity (11) are connected with feed inlet, it is characterised in that: the die body is arranged successively by front and back The first die body (1), the second die body (2) and third die body (3) composition, set between first die body (1) and the second die body (2) It is equipped with middle layer tubing annular die cavity (21), is provided with outer layer tubing circular die between second die body (2) and third die body (3) Chamber (31), the annular tubing die cavity (11), middle layer tubing annular die cavity (21), outer layer tubing annular die cavity (31) are by radial direction With the concentric structure being arranged successively from inside to outside, and the annular tubing die cavity (11), middle layer tubing annular die cavity (21), outer layer Tube annular die cavity (31) can be interconnected, and be respectively arranged on the side of die body and be connected with middle layer tubing annular die cavity (21) Logical middle layer die cavity import (22) and the outer layer die cavity import (32) being connected with outer layer tubing annular die cavity (31) are being located at ring The outlet portion of shape tubing die cavity (11), which is provided with, can seal up annular tubing die cavity when head makes two layers of pipe or mono-layer tube (11) internal layer sealing ring (5) is provided in the outlet portion for being located at middle tube material annular die cavity (21) when head makes mono-layer tube When can seal up the middle layer sealing ring (6) of middle layer tubing annular die cavity (21).

2. multi-functional pipe extruder head according to claim 1, it is characterised in that: first die body (1), the second mould Body (2) and third die body (3) are mutually located by bindiny mechanism and are connected as overall structure, the rear end of the third die body (3) It is provided on the edge in face the first bulge loop (36), is provided with the second bulge loop on the edge of the front end face of first die body (1) (16), preceding annular recess (26) and rear annular recess are respectively arranged in a front surface and a rear surface of second die body (2) (27), when the first die body (1), the second die body (2) and third die body (3) are positioned with respect to front and back fine motion, first bulge loop (36) it is mutually buckled always with preceding annular recess (26), the second bulge loop (16) mutually buckles always with rear annular recess (27).

3. multi-functional pipe extruder head according to claim 2, it is characterised in that: the bindiny mechanism be bolt and The corresponding position of nut compatible with bolt, first die body (1), the second die body (2) and third die body (3) is respectively set Have a bolt hole (14) that can place bolt, first die body (1), the second die body (2) and third die body (3) bolt hole (14) nut that the distance for finely tuning mutual longitudinal separation to setting after bolt is screwed again on bolt is penetrated to be mutually located.

4. multi-functional pipe extruder head according to any one of claims 1 to 3, it is characterised in that: the third die body (3) it is provided on rear end face the first recess portion (34), is provided with the first protrusion (24) on the front end face of second die body (2), The outer layer tubing annular die cavity (31) is formed between the inner wall of first recess portion (34) and the outer wall of the first protrusion (24).

5. multi-functional pipe extruder head according to any one of claims 1 to 3, it is characterised in that: second die body (2) it is provided on rear end face the second recess portion (25), is provided with the second protrusion on the front end face of first die body (1), it is described The middle layer tubing annular die cavity (21) is formed between the inner wall of second recess portion (25) and the outer wall of the second protrusion.

6. multi-functional pipe extruder head according to any one of claims 1 to 3, it is characterised in that: the middle layer die cavity Import (22) and outer layer die cavity import (32) are separately positioned on the side wall of the second die body (2), the middle layer die cavity import (22) It is connected by middle layer feeding-passage with middle layer tubing annular die cavity (21), the outer layer die cavity import (32) is fed by outer layer Channel is connected with outer layer tubing annular die cavity (31).

7. multi-functional pipe extruder head according to claim 6, it is characterised in that: the front end of second die body (2) The first groove (23) and the second groove (28), first groove (23) and third die body are respectively arranged on face and rear end face (3) rear end face fits and forms outer layer feeding-passage, and second groove (28) and the front end face of the first die body (1) are affixed It closes and forms middle layer feeding-passage.

8. multi-functional pipe extruder head according to claim 7, it is characterised in that: the rear end of the third die body (3) Be provided on face can third groove (35) corresponding with the first groove (23), the third groove (35) and the first groove (23) It is involutory and forms outer layer feeding-passage.

9. multi-functional pipe extruder head according to any one of claims 1 to 3, it is characterised in that: set on the die body It is equipped with the loss of weight through-hole (15) that can mitigate die body weight.

10. multi-functional pipe extruder head according to any one of claims 1 to 3, it is characterised in that: the mold core (4) It is composed of cylindrical body and round estrade, the rear sidewall of the through-hole (41) is can inclined-plane corresponding with round estrade.