CN212795823U

CN212795823U - Die head and extrusion device for continuous extrusion of conductive foam tube

Info

Publication number: CN212795823U
Application number: CN202021209229.3U
Authority: CN
Inventors: 杨献生; 程磊
Original assignee: Henan Green Express Rubber & Plastic Products Co ltd
Current assignee: Henan Green Express Rubber & Plastic Products Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-26
Anticipated expiration: 2030-06-24

Abstract

The utility model belongs to the technical field of the technique of extruder and specifically relates to a continuous extrusion of electrically conductive foaming pipe is with die head and extrusion device is related to, and it includes the die head body, has seted up in the die head body and has extruded the chamber, extrudes the chamber and forms the opening at the both ends face of body, the opening part is provided with wear-resisting structure, and wear-resisting structure sets up the head at the die head body, wear-resisting structure includes the ring of preventing wearing by wear-resistant material makes, wear-resisting ring is fixed and is being extruded the intracavity. This application has the effect that reduces the die head and change the frequency.

Description

Die head and extrusion device for continuous extrusion of conductive foam tube

Technical Field

The application relates to the technical field of extruders, in particular to a die head and an extrusion device for continuous extrusion of a conductive foaming pipe.

Background

An extruder is a common plastic production equipment, which generally uses the rotation of a screw to push molten plastic fluid out, and the plastic fluid is extruded from a head according to a certain pressure and flow rate to form a strip-shaped plastic film. The plastic material enters the extruder from the hopper, is conveyed forward under the drive of the rotation of the screw, and is melted under the heating action of the charging barrel and the shearing and compression actions brought by the screw in the forward movement process, so that the change among three states of glass state, high elastic state and viscous state is realized. Under the condition of pressurization, the material in a viscous state passes through a die with a certain shape and then becomes a continuous body with a cross section similar to the die shape according to the die. Then cooling and shaping to form a glass state, thereby obtaining the workpiece to be processed.

The adjustable-bandwidth extruder head disclosed in chinese patent with patent publication No. CN207190225U comprises a hollow upper module and a hollow lower module, wherein the upper module and the lower module are spliced to form a housing structure with a V-shaped front portion, and two copper sheets are clamped between the front portion of the upper module and the front portion of the lower module to form a flat die orifice between the two copper sheets.

The above prior art solutions have the following drawbacks: the viscous flow-shaped blank dissipates heat in the basic process, is gradually cooled and qualitative, has certain hardness, is easy to wear a copper sheet at a die opening, and accelerates the frequency of die head replacement.

SUMMERY OF THE UTILITY MODEL

The purpose of the present application is to provide a die for continuous extrusion of a conductive foam tube, which has the effect of reducing the frequency of die replacement.

The above object of the present invention is achieved by the following technical solutions:

in a first aspect, the application provides a die head for continuous extrusion of a conductive foaming pipe, including the die head body, offer in the die head body and extrude the chamber, extrude the chamber and form the opening at the both ends face of die head body, the opening part is provided with wear-resisting structure, and wear-resisting structure sets up the head at the die head body, wear-resisting structure includes the anti-abrasion ring of making by wear-resisting material, wear-resisting ring is fixed at extruding the intracavity.

Through adopting above-mentioned technical scheme, the head of die head body is provided with the anti-abrasion ring of being made by wear-resisting material, reduces the phenomenon that the wearing and tearing appear when the ejection of compact of die head body, has protected the die head body, has reduced the change frequency of die head body.

The application is further configured to: the inner wall of the die head body is provided with a first embedded groove, the first embedded groove is formed in the position, close to the head, of the die head body, and the anti-abrasion ring is embedded in the first embedded groove.

Through adopting above-mentioned technical scheme, the seting up of embedded groove one for inlay the anti-abrasion ring, in order to reach the fixed anti-abrasion ring and extrude the purpose of intracavity.

The application is further configured to: the die head body is made of a metal material with thermal conductivity.

By adopting the technical scheme, the blank in the extrusion cavity can be conveniently cooled in the extrusion process, and the blank can be conveniently molded.

The application is further configured to: and a support net for supporting the structure of the die head is embedded in the side wall of the die head body.

Through adopting above-mentioned technical scheme, the support network is used for supporting the structure of die head body.

The application is further configured to: the die head comprises a die head body and is characterized in that a mounting block is arranged at the tail part of the die head body, a buffer cavity is formed in the mounting block, openings are formed in the two end faces of the buffer cavity, the diameter of the opening at one end of the mounting block, which is connected with the die head body, is the same as the diameter of an extrusion cavity, and the diameter of the opening is smaller than that of the other opening.

By adopting the technical scheme, the longitudinal section of the buffer cavity is funnel-shaped, and the buffer cavity plays a role in buffering, so that the blank can be conveniently extruded.

In a second aspect, the application provides an extrusion device, including the extruder body and be used for fixed and the fixed knot who communicates the die head body to construct, fixed knot constructs the discharge end of installing at the extruder body, and fixed knot constructs the drive assembly who includes casing, clamping structure and drive clamping structure centre gripping die head body, and clamping structure all installs on the casing with drive assembly, has seted up the cavity on the casing, be provided with the mounting panel in the cavity, the inside wall fixed connection of mounting panel and cavity, the fixed die rod that is provided with on the mounting panel, the die rod sets up with the mounting panel is perpendicular, and the die rod deviates from the one end of being connected with the mounting panel and stretches out the cavity, has seted up a plurality of material through.

Through adopting above-mentioned technical scheme, fixed knot constructs and is used for installing the die head body on the extruder body, and clamping structure is used for centre gripping die head body, and drive assembly is used for making the clamping structure centre gripping, and the setting in logical material hole is used for making the stock can pass through from the mounting panel, and the die rod is used for making fashioned product be a hollow sleeve pipe.

The application is further configured to: the clamping structure comprises a gear ring, a clamping jaw, a driving rack and a supporting frame, the supporting frame is fixedly mounted on the shell, the clamping jaw is connected to the supporting frame in a sliding mode, a through groove is formed in the supporting frame, a first tooth surface is arranged on the clamping jaw, the clamping jaw is connected with the supporting frame in a sliding mode, the driving rack is connected with the shell in a sliding mode, a second tooth surface is arranged on the upper surface of the driving rack, the second tooth surface is arranged to be an oblique tooth surface, the first tooth surface is meshed with the second tooth surface, the gear ring is connected with the shell in a rotating mode, the gear.

Through adopting above-mentioned technical scheme, the ring gear rotates and can drive the drive rack removal, and the drive rack removal can make the clamping jaw slide on the support frame and carry out the centre gripping to the die head body.

The application is further configured to: the driving assembly comprises a driving screw and a driving piece used for enabling the driving screw to rotate, the driving screw penetrates through one of the driving racks, the driving screw is rotatably connected with the shell, and the driving screw is in threaded connection with the driving racks.

Through adopting above-mentioned technical scheme, drive screw rotates, can make the drive rack slide on the casing, and then makes the clamping jaw carry out the centre gripping to the die head body.

To sum up, the beneficial technical effect of this application does:

1. the head of die head body is provided with the anti-abrasion ring of being made by wear-resisting material, reduces the phenomenon that the die head body appears wearing and tearing when the ejection of compact and appears, has protected the die head body, has reduced the change frequency of die head body.

2. The fixed knot constructs and is used for installing the die head body on the extruder body, and clamping structure is used for centre gripping die head body, and drive assembly is used for making the clamping structure centre gripping, and the setting in logical material hole is used for making the stock can pass through from the mounting panel, and the die lever is used for making fashioned product be a hollow sleeve pipe.

Drawings

Fig. 1 is a schematic diagram of an exploded structure of a die body.

Fig. 2 is a schematic sectional structure of the present application.

FIG. 3 is a schematic view of the die body mounted on a fixed structure.

Fig. 4 is a schematic view showing the structure of the gripping jaw.

Fig. 5 is a schematic structural view showing a fixing structure.

Reference numerals: 1. a die head body; 10. an extrusion chamber; 11. the first embedded groove; 12. a support net; 13. an anti-abrasion ring; 14. a second embedded groove; 2. mounting blocks; 20. a buffer chamber; 21. a mounting ring; 22. a limiting groove; 3. a housing; 30. a cavity; 31. mounting a plate; 310. a feed through hole; 32. a mold rod; 33. a second chute; 4. a clamping structure; 40. a ring gear; 41. a clamping jaw; 410. a first sliding block; 411. tooth surface one 411; 42. a drive rack; 420. a second tooth surface; 421. a tooth surface III; 43. a support frame; 430. a through groove; 431. a first sliding chute; 44. a seal ring; 5. a drive assembly; 50. a drive screw; 51. a drive member.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

As shown in fig. 1 and 2, the die for continuous extrusion of a conductive foam tube disclosed in the present application includes a die body 1, an extrusion cavity 10 is formed in the die body 1, and the extrusion cavity 10 forms openings at two end surfaces of the die body 1.

The material of die head body 1 sets up to the good metal material of heat conductivity such as copper, is convenient for extrude the in-process heat dissipation of blank in the chamber 10, does benefit to the shaping of blank, and it has supporting network 12 to inlay in the lateral wall of die head body 1, and supporting network 12 is used for supporting die head body 1's structure, and the material of supporting network 12 sets up to iron.

Head of die head body 1 is provided with wear-resisting structure, wear-resisting structure is including preventing wearing ring 13, embedded groove 11 has been seted up to the inner wall of die head body 1, embedded groove 11 is seted up at the position that die head body 1 is close to the head, wear-resisting ring 13 inlays in embedded groove 11, the outer wall of wear-resisting ring 13 and the inner wall butt of embedded groove 11, the inner wall of wear-resisting ring 13 and the inner wall parallel and level of extruding chamber 10, wear-resisting ring 13's material sets up to wear-resisting materials such as stainless steel, wear-resisting ring 13 is used for reducing fashioned pipe material to the wearing and tearing of die head body 1.

Die head body 1's afterbody is provided with installation piece 2, inside cushion chamber 20 has been seted up on installation piece 2, cushion chamber 20 all forms the opening at the both ends face of installation piece 2, the opening diameter of installation piece 2 and the one end department that die head body 1 is connected is the same with the diameter of extruding chamber 10, and this open-ended diameter is less than another open-ended diameter, be provided with collar 21 on installation piece 2, the position that the inner wall of die head body 1 is close to the afterbody is provided with embedded groove two 14, collar 21 inlays in embedded groove two 14, make installation piece 2 fix on die head body 1, a plurality of spacing grooves 22 have been seted up to the outer wall of installation piece 2, the material setting of installation piece 2 is for the steel material.

As shown in fig. 2 and fig. 3, for an extrusion device that this application still discloses, adopt above-mentioned die head body 1, including the extruder body (not shown in the figure department) and install the fixed knot who locates at the extruder discharge end and construct, the fixed knot constructs and is used for fixing and intercommunication die head body 1 and extruder body, the fixed knot constructs including casing 3, clamping structure 4 and drive clamping structure 4 centre gripping die head body 1's drive assembly 5, clamping structure 4 and drive assembly 5 are all installed on casing 3, cavity 30 has been seted up on casing 3, and cavity 30 passes through cushion chamber 20 and extrudes the chamber 10 intercommunication, the diameter of cavity 30 is the same with the diameter of the great opening of diameter on the installation piece 2.

Be provided with mounting panel 31 in the cavity 30, mounting panel 31 and cavity 30's inside wall fixed connection are provided with the ejector half 32 on the mounting panel 31, ejector half 32 and mounting panel 31 vertical fixation, and ejector half 32 deviates from the one end of being connected with mounting panel 31 and stretches out cavity 30, has seted up a plurality of material through holes 310 on the mounting panel 31, and the stock can pass through from material through holes 310, and ejector half 32 is used for making fashioned product be a hollow sleeve pipe.

As shown in fig. 3 and 4, the clamping structure 4 includes a gear ring 40, a clamping jaw 41, a driving rack 42 and a supporting frame 43, the supporting frame 43 is fixedly installed on the housing 3, the clamping jaw 41 is slidably connected to the supporting frame 43, the supporting frame 43 is provided with a through slot 430, the clamping jaw 41 is provided with a first slider 410, the supporting frame 43 is provided with a first slider 431, the first slider 410 is slidably fitted in the first slider 431, the end surface of the housing 3 is provided with a second slider 33, the driving rack 42 is provided with a second slider which is slidably fitted in the second slider 33, the driving rack 42 is disposed below the clamping jaw 41, the clamping jaw 41 is provided with a first tooth surface 411, the upper surface of the driving rack 42 is provided with a second tooth surface 420, the second tooth surface 420 is provided with an oblique tooth surface, the first tooth surface 411 is engaged with the second tooth surface 420, the gear ring 40 is rotatably connected with the housing 3, the three tooth surfaces 421 are meshed with the gear ring 40, when the die head body 1 is fixed on the shell 3, the outer wall of the die head body 1 is abutted against the inner wall of the gear ring 40, the end face of the feeding end of the die head body 1 is abutted against the shell 3, a sealing ring 44 is arranged between the end face and the shell 3, the sealing ring 44 is used for sealing the communication position of the die head and the shell 3, the gear ring 40 rotates to drive the driving rack 42 to move, and the driving rack 42 moves to enable the clamping jaw 41 to slide on the supporting frame 43.

As shown in fig. 5, the driving assembly 5 includes a driving screw 50 and a driving member 51, the driving screw 50 passes through one of the driving racks 42, the driving screw 50 is rotatably connected with the housing 3, the driving screw 50 is threadedly connected with the driving rack 42, and the driving member 51 is provided as a rotating motor, and the rotating motor is coaxially fixed with the driving screw 50. The rotation of the driving member 51 can rotate the driving screw 50, so that the driving rack 42 slides in the second sliding slot 33.

The implementation principle of the embodiment is as follows: the blank passes through the material through hole 310 and gets into the cushion chamber 20 at first in the in-process of being extruded by the extruder, and then gets into from the cushion chamber 20 and extrude the intracavity 10, is discharged by the opening part of die head body head, and in the in-process heat dissipation shaping of extruding via extruding the chamber 10, wear-resisting circle 13 plays the effect of abrasionproof when the blank is discharged from die head body 1, has protected die head body 1.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The die head for continuously extruding the conductive foaming pipe is characterized in that: including die head body (1), seted up in die head body (1) and extruded chamber (10), extrude chamber (10) and form the opening at the both ends face of die head body (1), the opening part is provided with wear-resisting structure, and wear-resisting structure sets up the head at die head body (1), wear-resisting structure includes wear-resisting circle (13) of being made by wear-resisting material, wear-resisting circle (13) are fixed in extruding chamber (10).

2. The die for continuous extrusion of an electrically conductive foam tube according to claim 1, characterized in that: the inner wall of the die head body (1) is provided with a first embedded groove (11), the first embedded groove (11) is formed in the position, close to the head, of the die head body (1), and the anti-abrasion ring (13) is embedded in the first embedded groove (11).

3. The die for continuous extrusion of an electrically conductive foam tube according to claim 1, characterized in that: the die head body (1) is made of a metal material with thermal conductivity.

4. The die for continuous extrusion of an electrically conductive foam tube according to claim 3, wherein: a supporting net (12) for supporting the structure of the die head is embedded in the side wall of the die head body (1).

5. The die for continuous extrusion of an electrically conductive foam tube according to claim 1, characterized in that: the die head is characterized in that the tail part of the die head body (1) is provided with an installation block (2), a buffer cavity (20) is formed in the installation block (2), openings are formed in the two end faces of the buffer cavity (20) of the installation block (2), the diameter of the opening at one end of the installation block (2) connected with the die head body (1) is the same as that of the extrusion cavity (10), and the diameter of the opening is smaller than that of the other opening.

6. The extrusion apparatus for a continuous extrusion die of an electrically conductive foam tube according to any one of claims 1 to 5, wherein: including the extruder body and be used for fixed and the fixed knot who communicates die head body (1) to construct, fixed knot constructs the discharge end of installing at the extruder body, and fixed knot constructs drive assembly (5) that include casing (3), clamping structure (4) and drive clamping structure (4) centre gripping die head body (1), and clamping structure (4) all install on casing (3) with drive assembly (5), have seted up cavity (30) on casing (3), be provided with mounting panel (31) in cavity (30), the inside wall fixed connection of mounting panel (31) and cavity (30), fixed being provided with die rod (32) on mounting panel (31), die rod (32) and mounting panel (31) set up perpendicularly, and die rod (32) deviate from the one end of being connected with mounting panel (31) and stretch out cavity (30), have seted up a plurality of material through holes (310) on mounting panel (31).

7. The extrusion apparatus for a continuous extrusion die of an electrically conductive foam tube according to claim 6, wherein: the clamping structure (4) comprises a gear ring (40) and a clamping jaw (41), drive rack (42) and support frame (43), support frame (43) fixed mounting is on casing (3), clamping jaw (41) sliding connection is on support frame (43), logical groove (430) have been seted up on support frame (43), be provided with flank of tooth one (411) on clamping jaw (41), clamping jaw (41) and support frame (43) sliding connection, drive rack (42) and casing (3) sliding connection, the upper surface of drive rack (42) is provided with flank of tooth two (420), flank of tooth two (420) set up to the oblique flank of tooth, flank of tooth one (411) and flank of tooth two (420) meshing, ring gear (40) and casing (3) rotate and be connected, ring gear (40) are provided with outer flank of tooth, be provided with flank of tooth three (421) on drive rack (42), flank of tooth three (421) and ring gear (40) meshing.

8. The extrusion apparatus for a continuous extrusion die of an electrically conductive foam tube according to claim 7, wherein: the driving assembly (5) comprises a driving screw (50) and a driving piece (51) used for enabling the driving screw (50) to rotate, the driving screw (50) penetrates through one of the driving racks (42), the driving screw (50) is in rotating connection with the shell (3), and the driving screw (50) is in threaded connection with the driving racks (42).