CN218985733U

CN218985733U - Air pipe dismounting structure of film blowing machine die head

Info

Publication number: CN218985733U
Application number: CN202222643500.XU
Authority: CN
Inventors: 王磊
Original assignee: Juyan Machinery Jiangsu Co ltd
Current assignee: Juyan Machinery Jiangsu Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-05-09
Anticipated expiration: 2032-10-09

Abstract

The application discloses tuber pipe dismouting structure of inflation film manufacturing machine die head, the on-line screen storage device comprises a base, cooling air ring and tuber pipe, the base passes through the tuber pipe with the cooling air ring to be connected, the equal fixed cover in both ends of tuber pipe is equipped with annular briquetting, be fixed with annular sealing washer on the terminal surface that annular briquetting deviates from the tuber pipe, the cover is equipped with annular rotatory piece on the tuber pipe that annular briquetting was not equipped with annular sealing washer one side, be equipped with the external screw thread on the lateral wall of annular rotatory piece, all be equipped with a plurality of screw holes on the terminal surface in opposite directions of base and cooling air ring, annular rotatory piece passes through external screw thread and screw hole threaded connection, the screw hole indent is equipped with the vent that corresponds with the tuber pipe, annular rotatory piece deviates from the fixed cover of annular briquetting one end and is equipped with the runner. This dismouting structure replaces former rivet connection's mode through the structure cooperation, and convenient dismantlement to annular rotatory piece is applied force to annular briquetting during threaded connection, makes annular seal circle and screw hole bottom surface contact deformation, better sealed, the gas tightness is better.

Description

Air pipe dismounting structure of film blowing machine die head

Technical Field

The application relates to the field of film blowing, in particular to an air pipe dismounting structure of a film blowing machine die head.

Background

The film blowing machine is a machine for heating and melting plastic particles and blowing the plastic particles into a film, and mainly feeds the dried plastic particles into a device through a feeding port, then the plastic particles are melted step by step through a heating machine, the melted plastic is blown out through a die opening of a die head, and then the blown film is wound into a cylinder through a winding machine.

The patent application document with the publication number of CN202462874U discloses a film blowing machine, wherein the film blowing machine device consists of an extruder, a heating device, a die head, a cooling air ring, a distribution box, a blower, an air pipe, a foam stabilizing device, a lambdoidal plate, a traction roller and a winding mechanism; the plastic particles enter an extruder, the plastic particles are melted by friction of the extruder and heating of a heating device, the melted plastic particles reach a die head and are blown out through a die opening of the die head, a blower is connected with a cooling air ring through an air pipe, the flow speed of air blown out by the blower is regulated, the air reaches the cooling air ring through the air pipe by the blower, the cooling air ring blows out the air, and the melted plastic particles blown out from the die opening are cooled and shaped, so that the melted plastic particles are cooled and shaped into a cylindrical plastic film; the shaped plastic film continues to upwards travel, the traveling direction of the plastic film is corrected and fixed through the foam stabilizing device, the plastic film is extruded into two layers of plastic films after reaching the lambdoidal plate, and then the plastic films are wound into a cylinder through the winding mechanism under the action of the traction roller.

The prior art solutions described above have the following drawbacks: the air blown out by the cooling air ring is conveyed by the air blower through the air pipe, and if the air pipe is broken or leaks air, the air pressure blown out by the cooling device is insufficient, the cylindrical plastic film blown out by the die opening of the die head is poor in shaping and slow in cooling, the thickness of the plastic film after being extruded into a film is uneven, and the production quality of a product is reduced; so the tuber pipe needs timely change after damaging, but the tuber pipe is difficult for modes realization of dismouting such as rivet with cooling wind ring, need demolish the rivet one by one just can change, need beat the rivet again when installing new tuber pipe simultaneously, so damage the process that the tuber pipe changed comparatively troublesome, inconvenient.

Disclosure of Invention

The utility model aims to provide an air pipe dismounting structure of a die head of a film blowing machine, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the embodiment of the application discloses tuber pipe dismouting structure of inflation film manufacturing machine die head, including base, cooling wind ring and tuber pipe, the base passes through the tuber pipe with the cooling wind ring and is connected, its characterized in that: the utility model discloses a wind pipe, including the tuber pipe, the annular briquetting is equipped with the annular briquetting, the both ends of tuber pipe are all fixed the cover and are equipped with the annular briquetting, be fixed with annular sealing washer on the terminal surface that the annular briquetting deviates from the tuber pipe, the cover is equipped with annular rotatory piece on the tuber pipe of annular sealing washer one side, be equipped with the external screw thread on the lateral wall of annular rotatory piece, all be equipped with a plurality of screw holes on the terminal surface that base and cooling air ring are in opposite directions, annular rotatory piece passes through external screw thread and screw hole threaded connection, the screw hole indent is equipped with the vent that corresponds with the tuber pipe, annular rotatory piece deviates from the fixed cover in annular briquetting one end and is equipped with the runner.

Preferably, in the above-mentioned air pipe dismounting structure of the die head of the film blowing machine, annular grooves and annular sliding blocks are respectively arranged on opposite end surfaces of the annular rotating block and the annular pressing block, and the annular grooves are rotationally connected with the annular sliding blocks.

Preferably, in the above-mentioned air pipe dismounting structure of the die head of the film blowing machine, a pair of positioning columns are convexly arranged on the end face of the annular pressing block, which is away from the air pipe, and positioning holes for matching with the positioning columns to insert are concavely arranged in the threaded holes around the ventilation opening.

Preferably, in the above-mentioned air pipe dismounting structure of a film blowing machine die head, the annular sealing gasket, the air pipe, the annular rotating block and the annular pressing block are all coaxially arranged.

Preferably, in the above-mentioned air pipe dismounting structure of a film blowing machine die head, a plurality of screw holes are uniformly arranged.

Preferably, in the above-mentioned air pipe dismounting structure of the die head of the film blowing machine, the height of the annular pressing block is smaller than the depth of the threaded hole, and the sum of the height of the annular pressing block and the height of the annular rotating block is larger than the depth of the threaded hole.

Compared with the prior art, the utility model has the advantages that:

this dismouting structure replaces former rivet connection's mode through the structure cooperation, and convenient dismantlement to annular rotatory piece is applied force to annular briquetting during threaded connection, makes annular seal circle and screw hole bottom surface contact deformation, better sealed, the gas tightness is better.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some of the embodiments described in the present application, and that no inventive effort is made to obtain other drawings from these drawings by a person of ordinary skill in the art.

Fig. 1 is a schematic structural view of an air duct dismounting structure of a die head of a film blowing machine according to an embodiment of the present utility model.

Detailed Description

The following detailed description of the technical solutions according to the embodiments of the present utility model will be given with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.

Referring to fig. 1, the wind pipe dismounting structure of the film blowing machine die head in this embodiment comprises a base 1, a cooling wind ring 2 and a wind pipe 3, wherein the base 1 is connected with the cooling wind ring 2 through the wind pipe 3, both ends of the wind pipe 3 are fixedly sleeved with an annular pressing block 4, an annular sealing gasket 5 is fixed on the end face of the annular pressing block 4 deviating from the wind pipe 3, an annular rotating block 6 is sleeved on the wind pipe 3 on one side of the annular pressing block 4, an external thread 7 is arranged on the side wall of the annular rotating block 6, a plurality of threaded holes 8 are formed in the opposite end faces of the base 1 and the cooling wind ring 2, the annular rotating block 6 is in threaded connection with the threaded holes 8 through the external thread 7, a vent 9 corresponding to the wind pipe 3 is concavely formed in the threaded holes 8, and a rotating wheel 10 is fixedly sleeved on one end of the annular pressing block 4 deviating from the annular rotating block 6.

Further, the annular sealing gasket 5, the air pipe 3, the annular rotating block 6 and the annular pressing block 4 are all coaxially arranged.

Further, the plurality of screw holes 8 are uniformly provided.

Further, the height of the annular pressing block 4 is smaller than the depth of the threaded hole 8, and the sum of the height of the annular pressing block 4 and the height of the annular rotating block 6 is larger than the depth of the threaded hole 8.

In this technical scheme, this dismouting structure is through the structure cooperation, and threaded connection's mode replaces former rivet connection's mode, conveniently dismantles to annular rotatory piece is applied force to annular briquetting when threaded connection, makes annular seal circle and screw hole bottom surface contact deformation, better sealed, the gas tightness is better.

In one embodiment, annular grooves 11 and annular sliding blocks 12 are respectively arranged on the opposite end surfaces of the annular rotating block 6 and the annular pressing block 4, and the annular grooves 11 are rotatably connected with the annular sliding blocks 12.

In this technical scheme, make annular rotatory piece and annular briquetting carry out spacing connection through the cooperation of ring channel and annular slider, inject the annular rotatory piece the position and be in the same place rather than the annular briquetting that corresponds all the time, the annular briquetting that conveniently quick and its corresponds pair, prevent that annular rotatory piece from sliding on the tuber pipe, reduced the frictional force between annular rotatory piece and the annular briquetting simultaneously, the life of extension annular briquetting and annular rotatory piece.

In an embodiment, a pair of positioning posts 13 are convexly arranged on the end face of the annular pressing block 4, which faces away from the air pipe 3, and positioning holes 14 for matching with the insertion of the positioning posts 13 are concavely arranged in the threaded holes 8 around the ventilation opening 9.

In this technical scheme, the cooperation through reference column and locating hole makes things convenient for the location of annular briquetting, prevents that annular rotatory piece from following the rotation with the annular briquetting when being connected with the screw hole, when annular seal and screw hole butt compress tightly, prevents that annular seal from following the rotation, reduces the friction of annular seal and screw hole bottom surface, prolongs annular seal's life-span.

The specific implementation principle is as follows:

during connection, the positioning column is inserted into the positioning hole of the threaded hole, the rotating wheel is rotated to enable the annular pressing block to be in threaded connection with the threaded hole, the annular pressing block is lifted in the threaded hole by the force of the annular rotating block along with the rotation of the annular rotating block, the annular sealing gasket is stressed and extruded with the bottom surface of the threaded hole to form connection, and otherwise, the annular pressing block is detached, so that the whole air tightness is more, and the assembly and the disassembly are convenient.

It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.

Claims

1. The utility model provides an tuber pipe dismouting structure of inflation film manufacturing machine die head, includes base, cooling wind ring and tuber pipe, the base passes through the tuber pipe with the cooling wind ring and is connected, its characterized in that: the utility model discloses a wind pipe, including the tuber pipe, the annular briquetting is equipped with the annular briquetting, the both ends of tuber pipe are all fixed the cover and are equipped with the annular briquetting, be fixed with annular sealing washer on the terminal surface that the annular briquetting deviates from the tuber pipe, the cover is equipped with annular rotatory piece on the tuber pipe of annular sealing washer one side, be equipped with the external screw thread on the lateral wall of annular rotatory piece, all be equipped with a plurality of screw holes on the terminal surface that base and cooling air ring are in opposite directions, annular rotatory piece passes through external screw thread and screw hole threaded connection, the screw hole indent is equipped with the vent that corresponds with the tuber pipe, annular rotatory piece deviates from the fixed cover in annular briquetting one end and is equipped with the runner.

2. The air duct dismounting structure of a film blowing machine die head according to claim 1, wherein: annular grooves and annular sliding blocks are respectively arranged on opposite end surfaces of the annular rotating block and the annular pressing block, and the annular grooves are rotationally connected with the annular sliding blocks.

3. The air duct dismounting structure of a film blowing machine die head according to claim 1, wherein: the annular pressing block is provided with a pair of positioning columns in a protruding mode on the end face, deviating from the air pipe, of the annular pressing block, and positioning holes matched with the insertion of the positioning columns are concavely formed in the threaded holes around the ventilation opening.

4. The air duct dismounting structure of a film blowing machine die head according to claim 1, wherein: the annular sealing gasket, the air pipe, the annular rotation and the annular pressing block are all coaxially arranged.

5. The air duct dismounting structure of a film blowing machine die head according to claim 1, wherein: a plurality of threaded holes are uniformly formed.

6. The air duct dismounting structure of a film blowing machine die head according to claim 1, wherein: the height of the annular pressing block is smaller than the depth of the threaded hole, and the sum of the height of the annular pressing block and the height of the annular rotating block is larger than the depth of the threaded hole.