CN212312696U

CN212312696U - Pull type adjusting die ring of PVDC (polyvinyl dichloride) multilayer co-extrusion die

Info

Publication number: CN212312696U
Application number: CN202020635636.4U
Authority: CN
Inventors: 杨宏敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-01-08
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a PVDC multilayer is crowded mould altogether draws formula of drawing and is adjusted die ring, including first mould layer, the surface movable sleeve on first mould layer is equipped with first indisputable hoop, the side fixedly connected with connecting plate of first indisputable hoop, and fastening bolt is installed to the side screw thread of connecting plate, and the screw thread groove with fastening bolt matched with has been seted up to the surface of first indisputable hoop, and second mould layer has been placed at the top on first mould layer. This PVDC multilayer is crowded mould altogether draws formula regulation ring, through setting up adjusting bolt, rotating seat, connecting rod and connecting block and the cooperation of mounting panel for people can screw out the regulation that can realize activity ring through the outside toward the second mould layer, through setting up pull rod device, spring, scale, limiting plate and the cooperation of propping the clamp plate, makes activity ring when moving, can support the below of activity ring and press.

Description

Pull type adjusting die ring of PVDC (polyvinyl dichloride) multilayer co-extrusion die

Technical Field

The utility model relates to a crowded mould equipment technical field altogether specifically is PVDC multilayer crowded mould altogether draws formula to adjust the die ring.

Background

The method is characterized in that two materials flow along independent flow channels respectively and are converged at an outlet close to the neck ring mold to extrude the neck ring mold together, when melts with different rheological properties are extruded through a common flow channel in a co-extrusion mode, multilayer flow is formed, and how to ensure the pressure loss of the materials in the common flow channel is consistent is the core problem in the design of a co-extrusion mold.

The crowded mould altogether that uses at present, its inside ring all is immobile, when the mould is connected with the nozzle of extruder, if the nozzle of different length is connected with the mould, ring department can't move about, just can't be connected with different nozzles easily for the mould does not have the versatility, so needs a ring that can adjust.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a PVDC multilayer is crowded drawing formula of mould altogether and is adjusted the ring, possesses the ring and can adjust as required, and the problem of mentioning in the above background art has been solved to the advantage of the scope that can control the regulation moreover.

The utility model provides a following technical scheme: PVDC multilayer is crowded mould altogether draws formula regulation die ring, including first mould layer, the surface movable sleeve on first mould layer is equipped with first indisputable hoop, the side fixedly connected with connecting plate of first indisputable hoop, the side threaded mounting of connecting plate has fastening bolt, the screw thread groove with fastening bolt matched with has been seted up to the surface of first indisputable hoop, second mould layer has been placed at the top on first mould layer, the surface movable sleeve on second mould layer is equipped with second indisputable hoop, the inside fixed mounting on first mould layer has first fixed die ring, the inside top fixed mounting that is located first fixed die ring on first mould layer has the second fixed die ring, the inside movable mounting on first mould layer has movable die ring.

Wherein, first recess has been seted up to the side in the second mould layer, and adjusting bolt is installed to the internal thread of first recess, and adjusting bolt is located the one end swing joint rotation seat of second mould layer inside, and the surface connection who rotates the seat has the connecting rod, and the other end swing joint of connecting rod has the connecting block, the side fixed mounting of activity mould ring has the mounting panel, the side of mounting panel and the other end swing joint of connecting block.

The second recess has still been seted up to the medial surface on second mould layer, and the inside movable mounting of second recess has draw bar device, draw bar device's surface is stained with the scale, the fixed cover of the surface that draw bar device is located second recess inboard is equipped with the spring, the one end fixed mounting that draw bar device is located second mould layer inboard has the side matched with limiting plate with the spring, the one end fixedly connected with that draw bar device is located second mould layer inboard supports the clamp plate with movable mould ring matched with.

The side of the movable mould ring is fixedly provided with a flexible protection block above the mounting plate, the side of the movable mould ring is fixedly provided with a sliding plate above the protection block, and the inner side surface of the second mould layer is fixedly provided with a sliding rail seat matched with the sliding plate.

And a connecting plate, a fastening bolt and a thread groove positioned on the first iron hoop which are the same as the first iron hoop are arranged above the second iron hoop.

Compared with the prior art, the utility model discloses possess following beneficial effect: according to the pull-type adjusting die ring of the PVDC multilayer co-extrusion die, through the arrangement of the adjusting bolt, the rotating seat, the connecting rod, the connecting block and the mounting plate, people can adjust the movable die ring by screwing out the movable die ring from the outer side of the second die layer, and through the arrangement of the pull rod device, the spring, the graduated scale, the limiting plate and the abutting plate, the movable die ring can abut against the lower part of the movable die ring when moving; this PVDC multilayer is crowded mould altogether draws formula and is adjusted die ring can guarantee the activity die ring through setting up the protection piece and can guarantee that the activity die ring can not bump between the medial surface on assurance activity die layer and second mould layer, through the cooperation that sets up sliding plate and slide rail seat for the activity die ring is at the in-process that moves, guarantees its stability.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is an enlarged view of the structure a of the present invention.

Reference numerals: 1. a first mold layer; 2. a first iron hoop; 3. a connecting plate; 4. a second iron hoop; 5. a second mold layer; 6. fastening a bolt; 7. a first stationary die ring; 8. a pull rod device; 9. adjusting the bolt; 10. a sliding plate; 11. a slide rail seat; 12. a protection block; 13. a movable mold ring; 14. a second stationary die ring; 15. a first groove; 16. a connecting rod; 17. connecting blocks; 18. a graduated scale; 19. a spring; 20. a limiting plate; 21. pressing the plate; 22. a second groove; 23. mounting a plate; 24. a thread groove; 25. and (6) rotating the seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The embodiment of the utility model provides an in the attached drawing: the different types of hatching in the figures are not given the national standards, do not require the material of the elements, and distinguish between cross-sectional views of the elements in the figures.

Referring to fig. 1-3, the pull-type adjusting die ring of the PVDC multilayer co-extrusion die comprises a first die layer 1, a first iron hoop 2 is movably sleeved on the outer surface of the first die layer 1, a connecting plate 3 is fixedly connected to the side surface of the first iron hoop 2, a fastening bolt 6 is installed on the side surface of the connecting plate 3 in a threaded manner, a threaded groove 24 matched with the fastening bolt 6 is formed in the outer surface of the first iron hoop 2, a second die layer 5 is placed on the top of the first die layer 1, a second iron hoop 4 is movably sleeved on the outer surface of the second die layer 5, a connecting plate 3, the fastening bolt 6 and the threaded groove 24 on the first iron hoop 2 are installed above the second iron hoop 4, a first fixed die ring 7 is fixedly installed inside the first die layer 1, a second fixed die ring 14 is fixedly installed above the first fixed die ring 7 inside the first die layer 1, a movable mould ring 13 is movably arranged in the first mould layer 1.

The inner side surface of the second mold layer 5 is provided with a first groove 15, an adjusting bolt 9 is installed in the first groove 15 through threads, the arrangement of the first groove 15 is convenient for increasing the action stroke of the adjusting bolt 9 and further increasing the action stroke of the movable mold ring 13, one end of the adjusting bolt 9, which is positioned in the second mold layer 5, is movably connected with a rotating seat 25, the outer surface of the rotating seat 25 is connected with a connecting rod 16, the other end of the connecting rod 16 is movably connected with a connecting block 17, the side surface of the movable mold ring 13 is fixedly provided with a mounting plate 23, the side surface of the mounting plate 23 is movably connected with the other end of the connecting block 17, and through the arrangement of the adjusting bolt 9, the rotating seat 25, the connecting rod 16, the connecting block 17 and the mounting plate 23, people can realize the adjustment of the movable mold ring,

second recess 22 has been seted up to the medial surface of second mould layer 5, the inside movable mounting of second recess 22 has draw-bar device 8, draw-bar device 8's surface is stained with scale 18, scale 18 is convenient for people to observe the regulation degree of activity ring 13 constantly, draw-bar device 8 is located the external fixed cover of second recess 22 inboard and is equipped with spring 19, the one end fixed mounting that draw-bar device 8 is located second mould layer 5 inboard has the curb plate 20 with spring 19's side matched with, the one end fixedly connected with that draw-bar device 8 is located second mould layer 5 inboard supports clamp plate 21 with activity ring 13 matched with, through setting up draw-bar device 8, spring 19, scale 18, curb plate 20 and the cooperation that supports clamp plate 21, make activity ring 13 when moving, can support the below of activity ring 13.

The top fixed mounting that the side of activity ring 13 is located mounting panel 23 has flexible protection piece 12, the top fixed mounting that the side of activity ring 13 is located protection piece 12 has sliding plate 10, the medial surface fixed mounting of second mould layer 5 has sliding plate 10 matched with slide rail seat 11, can guarantee the in-process that activity ring 13 is using through setting up protection piece 12, guarantee can not bump between the medial surface of activity ring 13 and second mould layer 5, through the cooperation that sets up sliding plate 10 and slide rail seat 11, make activity ring 13 at the in-process that moves, guarantee its stability.

The theory of operation, in the process of using, when the position of activity mould ring 13 needs to be adjusted, adjusting bolt 9 is screwed out to the outside of second mould layer 5, adjusting bolt 9 drives and rotates seat 25 and remove this moment, it drives connecting block 17 through connecting rod 16 and moves up to one side to rotate seat 25 this moment, and then drive activity mould ring 13 through mounting panel 23 and remove, spring 19 presses on limiting plate 20 this moment, make draw-bar mechanism 8 press the surface at activity mould ring 13 all the time through supporting plate 21, scale 18 also can remove this moment, people can be as required, observe scale 18, and then make the better regulation of people.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

The utility model provides a PVDC multilayer is crowded mould altogether draws formula and is adjusted die ring, includes first mould layer (1), its characterized in that: the utility model discloses a mould structure, including first mould layer (1), the surface movable sleeve of first mould layer (1) is equipped with first indisputable hoop (2), the side fixedly connected with connecting plate (3) of first indisputable hoop (2), fastening bolt (6) are installed to the side screw thread of connecting plate (3), the surface of first indisputable hoop (2) seted up with fastening bolt (6) matched with thread groove (24), second mould layer (5) have been placed at the top of first mould layer (1), the surface movable sleeve of second mould layer (5) is equipped with second indisputable hoop (4), the inside fixed mounting of first mould layer (1) has first fixed die ring (7), the top fixed mounting that the inside of first mould layer (1) is located first fixed die ring (7) has second fixed die ring (14), the inside movable mounting of first mould layer (1) has movable die ring (13).
2. The pull type adjusting die ring of the PVDC multilayer co-extrusion die as claimed in claim 1, wherein: first recess (15) have been seted up to second mould layer (5) medial surface, and adjusting bolt (9) are installed to the internal thread of first recess (15), and adjusting bolt (9) are located the inside one end swing joint of second mould layer (5) and rotate seat (25), and the surface of rotating seat (25) is connected with connecting rod (16), and the other end swing joint of connecting rod (16) has connecting block (17), the side fixed mounting of activity mould ring (13) has mounting panel (23), the side of mounting panel (23) and the other end swing joint of connecting block (17).
3. The pull type adjusting die ring of the PVDC multilayer co-extrusion die as claimed in claim 1, wherein: second recess (22) have been seted up to the medial surface of second mould layer (5), the inside movable mounting of second recess (22) has draw bar device (8), scale (18) are stained with on the surface of draw bar device (8), the fixed cover of surface that draw bar device (8) are located second recess (22) inboard is equipped with spring (19), the one end fixed mounting that draw bar device (8) are located second mould layer (5) inboard has limiting plate (20) with the side matched with of spring (19), the one end fixedly connected with that draw bar device (8) are located second mould layer (5) inboard supports clamp plate (21) with activity mould ring (13) matched with.
4. The pull type adjusting die ring of the PVDC multilayer co-extrusion die as claimed in claim 1, wherein: the side of the movable mould ring (13) is fixedly provided with a flexible protection block (12) above the mounting plate (23), the side of the movable mould ring (13) is fixedly provided with a sliding plate (10) above the protection block (12), and the inner side surface of the second mould layer (5) is fixedly provided with a sliding rail seat (11) matched with the sliding plate (10).
5. The pull type adjusting die ring of the PVDC multilayer co-extrusion die as claimed in claim 1, wherein: and a connecting plate (3), a fastening bolt (6) and a thread groove (24) positioned on the first iron hoop (2) which are the same as those on the first iron hoop (2) are arranged above the second iron hoop (4).