CN219968759U

CN219968759U - Plastic extruder forming head and plastic extruder thereof

Info

Publication number: CN219968759U
Application number: CN202322718603.2U
Authority: CN
Inventors: 于锐聪; 邱雨薇; 张琳
Original assignee: Shenyang Shengda Plastic Products Co ltd
Current assignee: Shenyang Shengda Plastic Products Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2023-11-07
Anticipated expiration: 2033-10-11

Abstract

The utility model relates to the field of plastic wire drawing machines, in particular to a plastic extruder forming head and a plastic extruder thereof, comprising a fixing frame, a rotating piece and a limiting device, wherein the fixing frame is fixed at a discharge hole of an extruder main body and is provided with a discharge hole corresponding to the position of the discharge hole; the rotary piece is rotationally connected with the fixed frame, a plurality of mounting holes are formed in the rotary piece, an extrusion head is detachably arranged at each mounting hole, and the distance from each mounting hole to the rotation center of the rotary piece is equal to the distance from the rotation center of the rotary piece to the discharge hole; the limiting device is arranged between the fixed frame and the rotating piece and is suitable for fixing the relative position of the rotating piece after rotation and the fixed frame. According to the utility model, the fixing frame, the rotating piece and the limiting device are arranged, and the rotating piece can rotate the extrusion heads with new or different types to the discharge hole, so that the replacement of the extrusion heads of the plastic extruder is rapidly completed, the time of shutdown replacement is reduced, and the replacement efficiency is ensured.

Description

Plastic extruder forming head and plastic extruder thereof

Technical Field

The utility model relates to the field of plastic wire drawing machines, in particular to a plastic extruder forming head and a plastic extruder thereof.

Background

The plastic extruder forming head is a key component for adjusting the extrusion shape and size of plastic, however, the existing forming head is inconvenient to replace and maintain, so that a plastic extruder forming head convenient to replace and maintain is urgently needed.

Based on the above-mentioned problem, the current patent of publication No. CN215619831U discloses a plastic extruder is with shaping head, through setting up threaded connection shaping head body and holding the connector in chamber, rotates the connector and can dismantle shaping head body, the installation of being convenient for with dismantle, the maintenance of conveniently maintaining does not influence extrusion efficiency and effect simultaneously.

However, when the above-mentioned molding head is implemented, it is found that at least the following problems still exist, in the process of replacing the molding head body (i.e. the extrusion head), the molding head body needs to be taken out by rotating the connector, and the plastic extruder cannot be continuously used in the process of replacing the molding head body, which results in longer downtime and further affects the production efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the plastic extruder forming head and the plastic extruder thereof, which can move extrusion heads of different types to a discharge port in a rotating manner, and solve the problem that the existing extrusion heads need to be stopped for a long time in the replacement process, thereby influencing the working efficiency.

In order to achieve the above object, according to an aspect of the present utility model, there is provided a molding head of a plastic extruder, comprising a fixing frame, a rotating member and a limiting device, wherein the fixing frame is fixed at a discharge port of an extruder body and has a discharge hole corresponding to the position of the discharge port; the rotary piece is rotationally connected with the fixing frame, a plurality of mounting holes are formed in the rotary piece, an extrusion head is detachably arranged at each mounting hole, and the distance from each mounting hole to the rotation center of the rotary piece is equal to the distance from the rotation center of the rotary piece to the discharge hole; the limiting device is arranged between the fixing frame and the rotating piece and is suitable for fixing the relative position of the rotating piece and the fixing frame after rotation.

Optionally, the extrusion head is connected with the mounting hole through threads, the extrusion head is provided with a forming cavity and a transition cavity which are mutually communicated, the discharge hole is in gradual transition with the forming cavity through the transition cavity, and the forming cavity is provided with an opening on the surface of the extrusion head.

Optionally, the rotating member is provided with a plurality of first alignment blocks, the first alignment blocks are in one-to-one correspondence with the mounting holes, and the fixing frame is provided with second alignment blocks corresponding to the first alignment blocks.

Optionally, the mount towards one side of rotating member is provided with the mount pad, be equipped with on the rotating member with the installation arch of mount pad looks adaptation, the installation arch rotates to peg graft on the mount pad.

Optionally, the device further comprises a fixing rod and a handle I, wherein one end of the fixing rod is fixed on the rotation center of the rotating piece, and the other end of the fixing rod is fixed on the handle I.

Optionally, stop device includes gag lever post, spring, stopper and handle two, be equipped with the spacing hole on the mount, the spacing hole is a through-hole, gag lever post one end activity is pegged graft in the spacing hole, the other end is located outside the spacing hole and with handle two is fixed, be located in the spacing hole fixedly on the gag lever post be provided with the stopper, the stopper with be provided with between the spacing hole the spring, be provided with a plurality of spacing recesses corresponding with the gag lever post position on the rotating member.

According to another aspect of the present utility model there is provided a plastics extruder comprising an extruder body and a plastics extruder forming head as described above.

Compared with the prior art, the utility model provides the plastic extruder forming head and the plastic extruder thereof, which have the following beneficial effects:

according to the utility model, the fixing frame, the rotating piece and the limiting device are arranged, so that when the extrusion head needs to be replaced, the rotating piece is only required to be rotated to rotate the extrusion head in the mounting hole to the discharge hole, and the extrusion head is limited in the discharge hole through the limiting device, and the problem that the plastic extruder needs to be stopped for a long time in the replacement process of the existing extrusion head, so that the working efficiency is affected is solved;

according to the utility model, the plastic to be molded can pass through the extrusion head more stably through the molding cavity and the transition cavity arranged on the extrusion head, so that the problem that the plastic to be molded is molded at the joint due to temperature reduction and blocked at the joint is avoided;

according to the utility model, the first alignment block and the second alignment block are arranged, so that when different extrusion heads need to be replaced, the alignment condition of the first alignment block and the second alignment block is observed, and the judgment of the alignment condition of the extrusion heads and the discharge holes is more convenient for people.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an isometric view of the plastic extruder forming head disassembled;

FIG. 3 is another isometric view of the plastic extruder forming head disassembled;

FIG. 4 is a schematic diagram showing the structure of the limiting device;

FIG. 5 is a schematic view of a cross-sectional structure of a junction between an extrusion head and a fixing frame;

in the figure: 1. a fixing frame; 2. a rotating member; 21. a mounting hole; 22. a limit groove; 3. a limiting device; 31. a limit rod; 32. a spring; 33. a limiting block; 34. a second handle; 4. an extrusion head; 41. a molding cavity; 42. a transition chamber; 5. aligning the first block; 6. a mounting base; 7. mounting the bulge; 8. a fixed rod; 9. a first handle; 10. a limiting hole; 11. a discharge hole; 12. an extruder body; 13. and aligning the second block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 to 5, according to an aspect of the embodiment of the present utility model, there is provided a molding head of a plastic extruder, including a fixing frame 1, a rotating member 2 and a limiting device 3, wherein the fixing frame 1 is fixed at a discharge port of an extruder main body 12 and has a discharge hole 11 corresponding to the position of the discharge port; the rotary piece 2 is rotationally connected with the fixed frame 1, a plurality of mounting holes 21 are formed in the rotary piece 2, an extrusion head 4 is detachably arranged at each mounting hole 21, and the distance between each mounting hole 21 and the rotation center of the rotary piece 2 is equal to the distance between the rotation center of the rotary piece 2 and the discharge hole 11; and the limiting device 3 is arranged between the fixed frame 1 and the rotating piece 2 and is suitable for fixing the relative position of the rotating piece 2 and the fixed frame 1 after rotation.

When implementing above-mentioned scheme, through rotatory rotating the rotating member 2 of connection on mount 1, with the extrusion head 4 rotation to the discharge port 11 of demountable installation in mounting hole 21 to restrict at discharge port 11 through stop device 3, the extrusion head 4 of different models of detachable installation in a plurality of mounting holes 21 only need rotate when needs change rotating member 2 can, solved current shaping head need carry out long-time shut down with the plastics extruder at the extrusion head 4 in-process of changing, and then influence work efficiency's problem.

In this embodiment, extrude first 4 through threaded connection mounting hole 21, extrude first 4 and have the shaping chamber 41 and the transition chamber 42 of mutual intercommunication, the discharge gate 11 passes through transition chamber 42 and the gradual change transition of shaping chamber 41, shaping chamber 41 is formed with the opening at the surface of extruding first 4, through shaping chamber 41 and transition chamber 42 that extrusion head 4 is provided with, the one side size of transition chamber 42 towards discharge gate 11 is unanimous with discharge gate 11, make the plastics that wait to form can comparatively stably pass through extrusion head 4, it is fashioned because of the temperature reduces at the junction to wait to form plastics, lead to the card to cause the problem of jam at the junction.

In this embodiment, the rotating member 2 is provided with a plurality of first alignment blocks 5, the first alignment blocks 5 correspond to the mounting holes 21, the fixing frame 1 is provided with second alignment blocks 13 matched with the first alignment blocks 5, and when different extrusion heads 4 need to be replaced, the alignment conditions of the first alignment blocks 5 and the second alignment blocks 13 are observed by arranging the first alignment blocks 5 and the second alignment blocks 13, so that people can more conveniently judge the alignment conditions of the extrusion heads 4 and the discharge holes 11.

In this embodiment, mount 1 is provided with mount pad 6 towards one side of rotating member 2, is equipped with on the rotating member 2 with mount pad 6 looks adaptation install protruding 7, install protruding 7 rotation grafting on mount pad 6, through setting up mount pad 6 on mount 1 and the installation protruding 7 of setting up on rotating member 2, when making things convenient for people to install, also can dismantle rotating member 2 when the serious scheduling problem of wearing and tearing damage, wearing and tearing appear.

In this embodiment, the rotary member 2 is further provided with a fixing rod 8 and a first handle 9, one end of the fixing rod 8 is fixed on the rotation center of the rotary member 2, the first handle 9 is fixed on the other end, and the first handle 9 rotates to drive the rotary member 2 to rotate by arranging the fixing rod 8 and the first handle 9, so that people can rotate the rotary member 2 more effort-saving.

In this embodiment, the limiting device 3 includes a limiting rod 31, a spring 32, a limiting block 33 and a second handle 34, the fixing frame 1 is provided with a limiting hole 10, the limiting hole 10 is a through hole, one end of the limiting rod 31 is movably inserted into the limiting hole 10, the other end of the limiting rod is located outside the limiting hole 10 and fixed with the second handle 34, the limiting block 33 is fixedly arranged on the limiting rod 31 located in the limiting hole 10, the spring 32 is arranged between the limiting block 33 and the limiting hole 10, a plurality of limiting grooves 22 corresponding to the limiting rod 31 are arranged on the rotating member 2, when the limiting grooves 22 rotate to the limiting hole 10 during rotation of the rotating member 2, the spring 32 ejects the limiting rod 31 into the limiting grooves 22 to fix the rotating member 2, when the rotating member 2 needs to rotate, the second handle 34 is pulled, the spring 32 deforms and the limiting rod 31 retracts into the limiting hole 10, and then the rotating member 2 is rotated.

As shown in fig. 1, according to another aspect of the embodiment of the present utility model, there is provided a plastic extruder including an extruder body 12 and the plastic extruder molding head described above.

Working principle: when the extrusion heads 4 of different types need to be replaced, the second handle 34 is pulled, the spring 32 deforms, the limiting rod 31 is retracted into the limiting hole 10, the rotating piece 2 is rotated again, the alignment condition of the extrusion heads 4 and the discharge holes 11 is known by observing the alignment condition of the first alignment block 5 and the second alignment block 13, when the positions are reached, the extrusion heads are limited by the limiting device 3, if the extrusion heads 4 are damaged or the extrusion heads 4 of different types need to be replaced, the extrusion heads 4 in threaded connection with the discharge holes 11 can be rotated and taken out for replacement, if the problems of damage, serious abrasion and the like of the rotating piece 2 occur, the rotating piece 2 can be taken out for replacement, and the problem that the plastic extruder needs to be stopped for a long time in the replacement process of the existing extrusion heads, and further the working efficiency is affected is solved.

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

Claims

1. A plastic extruder forming head, comprising:

the fixing frame (1) is fixed at the discharge hole of the extruder main body (12) and is provided with a discharge hole (11) corresponding to the position of the discharge hole;

the rotary part (2), the rotary part (2) is rotationally connected with the fixed frame (1), a plurality of mounting holes (21) are formed in the rotary part (2), an extrusion head (4) is detachably arranged at each mounting hole (21), and the distance from each mounting hole (21) to the rotation center of the rotary part (2) is equal to the distance from the rotation center of the rotary part (2) to the discharge hole (11);

the limiting device (3) is arranged between the fixing frame (1) and the rotating piece (2) and is suitable for fixing the relative positions of the rotating piece (2) and the fixing frame (1) after rotation.

2. A plastic extruder forming head as claimed in claim 1, wherein: the extrusion head (4) is connected with the mounting hole (21) through threads, the extrusion head (4) is provided with a forming cavity (41) and a transition cavity (42) which are communicated with each other, the discharge hole (11) is in gradual transition with the forming cavity (41) through the transition cavity (42), and the forming cavity (41) is provided with an opening on the surface of the extrusion head (4).

3. A plastic extruder forming head as claimed in claim 1, wherein: the rotary part (2) is provided with a plurality of first alignment blocks (5), the first alignment blocks (5) are in one-to-one correspondence with the mounting holes (21), and the fixing frame (1) is provided with second alignment blocks (13) corresponding to the first alignment blocks (5).

4. A plastic extruder forming head as claimed in claim 1, wherein: the fixing frame (1) is provided with a mounting seat (6) towards one side of the rotating piece (2), the rotating piece (2) is provided with a mounting protrusion (7) matched with the mounting seat (6), and the mounting protrusion (7) is rotationally inserted on the mounting seat (6).

5. A plastic extruder forming head as claimed in claim 1, wherein: the rotary part is characterized by further comprising a fixing rod (8) and a handle I (9), wherein one end of the fixing rod (8) is fixed on the rotary center of the rotary part (2), and the other end of the fixing rod is fixed on the handle I (9).

6. A plastic extruder forming head as claimed in claim 1, wherein: stop device (3) are including gag lever post (31), spring (32), stopper (33) and handle two (34), be equipped with spacing hole (10) on mount (1), spacing hole (10) are a through-hole, gag lever post (31) one end activity is pegged graft in spacing hole (10), the other end is located spacing hole (10) are outer and with handle two (34) are fixed, are located in spacing hole (10) fixed being provided with on gag lever post (31) stopper (33), stopper (33) with be provided with between spacing hole (10) spring (32), be provided with a plurality of spacing recesses (22) corresponding with gag lever post (31) position on rotating member (2).

7. A plastic extruder, characterized in that: comprising an extruder body (12) and a plastic extruder forming head according to any one of claims 1 to 6.