阅读说明：本技术 一种吹膜机挤出机构 (Film blowing machine extruding mechanism ) 是由 康新庭 于 2020-06-10 设计创作，主要内容包括：本发明涉及吹膜机领域,尤其涉及一种吹膜机挤出机构,包含分别固定在机架上方两侧的输送管Ⅰ和输送管Ⅱ,所述输送管Ⅰ和输送管Ⅱ外周侧均匀缠绕有加热管Ⅰ,所述机架上方还固定有进料斗,所述进料斗下方均通过进料管与输送管Ⅰ和输送管Ⅱ连接,两根所述进料管上均固定有阀门,所述输送管Ⅰ和输送管Ⅱ内部均固定有输送轴,所述输送轴上均匀缠绕有输送螺旋叶,所述输送轴由对应的输送电机驱动转动,所述机架上还固定有三通阀,所述输送管Ⅰ通过连接管Ⅰ与三通阀连接,所述连接管Ⅰ一端通过法兰与输送管Ⅰ末端相连,所述连接管Ⅰ另一端通过法兰与三通阀相连。本装置无需停机作业,极大的提高了塑料薄膜的生产效率。(The invention relates to the field of film blowing machines, in particular to an extrusion mechanism of a film blowing machine, which comprises a conveying pipe I and a conveying pipe II which are respectively fixed on two sides above a rack, the outer peripheral sides of the conveying pipe I and the conveying pipe II are uniformly wound with a heating pipe I, a feed hopper is fixed above the frame, the lower part of the feed hopper is connected with a conveying pipe I and a conveying pipe II through feed pipes, valves are fixed on the two feed pipes, conveying shafts are fixed inside the conveying pipe I and the conveying pipe II, conveying spiral blades are uniformly wound on the conveying shafts, the conveying shafts are driven by corresponding conveying motors to rotate, a three-way valve is also fixed on the frame, conveyer pipe I passes through connecting pipe I and three-way valve connection, I one end of connecting pipe is passed through the flange and is linked to each other with I end of conveyer pipe, I other end of connecting pipe passes through the flange and links to each other with the three-way valve. The device does not need to be shut down, and the production efficiency of the plastic film is greatly improved.)

1. The utility model provides a inflation film manufacturing machine extruding means which characterized in that: the automatic spiral conveying device comprises a conveying pipe I and a conveying pipe II which are respectively fixed on two sides above a rack, wherein heating pipes I are uniformly wound on the outer peripheral sides of the conveying pipe I and the conveying pipe II, a feeding hopper is further fixed above the rack, the lower part of the feeding hopper is connected with the conveying pipe I and the conveying pipe II through inlet pipes, two valves are fixed on the inlet pipes, conveying shafts are fixed inside the conveying pipe I and the conveying pipe II, conveying spiral leaves are uniformly wound on the conveying shafts, the conveying shafts are driven to rotate by corresponding conveying motors, a three-way valve is further fixed on the rack, the conveying pipe I is connected with the three-way valve through a connecting pipe I, one end of the connecting pipe I is connected with the tail end of the conveying pipe I through a flange, the other end of the connecting pipe I is connected with the three-way valve through a flange, the conveying pipe II, the other end of the connecting pipe II is connected with a three-way valve through a flange, filter screens are fixed inside the connecting pipe II and the connecting pipe I, the three-way valve is further connected with an extrusion pipe through a connecting pipe III, a heating pipe II is fixed on the outer peripheral side of the extrusion pipe, an extrusion shaft is fixed inside the extrusion pipe, an extrusion spiral blade is fixed on the outer peripheral side of the extrusion shaft, the extrusion shaft is driven to rotate by an extrusion motor, and a die head is fixed at the tail end of the extrusion pipe.

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of film blowing machines, in particular to an extrusion mechanism of a film blowing machine.

[ background of the invention ]

The film blowing machine heats and melts plastic particles and then blows the plastic particles into a film. The film blowing machine mainly comprises a screw extrusion mechanism, a die head, a cooling mechanism, a traction mechanism and a winding mechanism.

Screw rod extrusion mechanism is connected with the die head, sets up the filter screen at screw rod extrusion mechanism and die head junction and filters, often needs to change the filter screen, and the filter screen is changed comparatively trouble, needs to shut down for a long time and dismantles after the cooling again and just can change, seriously influences the production efficiency of inflation film manufacturing machine.

The invention is provided for overcoming the defects of the prior art.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art, and provides the extrusion mechanism of the film blowing machine, which does not need to be stopped, so that the production efficiency of the film blowing machine is greatly improved.

The invention can be realized by the following technical scheme:

the invention discloses an extrusion mechanism of a film blowing machine, which comprises a conveying pipe I and a conveying pipe II which are respectively fixed on two sides above a frame, heating pipes I are uniformly wound on the peripheral sides of the conveying pipe I and the conveying pipe II, a feed hopper is also fixed above the frame, the lower part of the feed hopper is connected with the conveying pipe I and the conveying pipe II through feed pipes, valves are fixed on the two feed pipes, conveying shafts are fixed inside the conveying pipe I and the conveying pipe II, conveying spiral blades are uniformly wound on the conveying shafts, the conveying shafts are driven to rotate by corresponding conveying motors, a three-way valve is also fixed on the frame, the conveying pipe I is connected with the three-way valve through a connecting pipe I, one end of the connecting pipe I is connected with the tail end of the conveying pipe I through a flange, the other end of the connecting pipe I is connected with the three-way valve through a, II one ends of connecting pipe are passed through the flange and are connected with conveyer pipe II, II other ends of connecting pipe pass through flange and three-way valve connection, II and I inside all are fixed with the filter screen of connecting pipe, the three-way valve still passes through III fixed connection extruded tubes of connecting pipe, it is fixed with heating pipe II to extrude outside of tubes week, it is fixed with the extrusion axle to extrude the inside, extrusion axle periphery side is fixed with the extrusion spiral leaf, the extrusion axle rotates with the extrusion motor drive, the terminal still fixed die head of extruded tube. When a film is formed, a valve of an upper feeding pipe of a conveying pipe I is opened, a valve of the upper feeding pipe of the conveying pipe II is closed, a channel between a connecting pipe I and a connecting pipe III is opened through a three-way valve, a channel between the connecting pipe III and a connecting pipe II is closed, a corresponding conveying motor on the conveying pipe II is closed, a conveying motor on the conveying pipe I is opened, a conveying shaft is driven to rotate by the conveying motor, a conveying spiral blade on the conveying shaft rotates along with the conveying shaft, when the conveying spiral blade rotates, plastic particles move forwards along with the rotation of the conveying spiral blade and melt after being heated by a heating pipe I on the outer peripheral side of the conveying pipe I, the plastic particles in a molten state are discharged into an extrusion pipe through the connecting pipe I, when the plastic in the molten state passes through the connecting pipe I, a filter screen inside the connecting pipe, the extrusion motor drives the extrusion shaft in the extrusion pipe to rotate, when the extrusion spiral blade on the extrusion shaft rotates, plastic in a molten state is discharged to the position of a die head, the extrusion molding is carried out through the die head, the extrusion pipe is heated through the heating pipe II, the solidification of the plastic in the extrusion pipe can be prevented, after a period of production is carried out, namely when a large amount of impurities are filtered in the connecting pipe I and the connecting pipe I needs to be cleaned, a valve of a feeding pipe on the conveying pipe I is closed, a valve of the feeding pipe on the conveying pipe II is opened, a channel between the connecting pipe II and the connecting pipe III is opened through a three-way valve, a channel between the connecting pipe I and the connecting pipe III is closed, the plastic in the molten state is continuously discharged into the extrusion pipe through the conveying pipe II, flanges at two ends of the connecting pipe I are opened, the impurities at, install again after the washing between three-way valve and conveyer pipe I, open the passageway between connecting pipe I and the connecting pipe III and the passageway between connecting pipe II and the connecting pipe III in turn through the three-way valve, pull down the washing filter screen in turn with connecting pipe I and connecting pipe II, need not the shut-down operation, can guarantee to last for extruding the plastics that the pipe supplied with molten condition to last shaping plastic film through the die head, very big improvement plastic film's production efficiency.

Compared with the prior art, the invention has the following advantages:

open the passageway between connecting pipe I and the connecting pipe III and the passageway between connecting pipe II and the connecting pipe III through the three-way valve in turn, pull down the washing filter screen in turn with connecting pipe I and connecting pipe II, need not the shut-down operation, can guarantee to last for extruding the pipe and supply with the plastics of molten condition to last shaping plastic film through the die head, very big improvement plastic film's production efficiency.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a right side view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 2;

in the figure: 1. a frame; 2. a feed hopper; 3. a feed pipe; 4. a valve; 5. a conveying pipe I; 6. a conveying pipe II; 7. a heating pipe I; 8. a three-way valve; 9. a connecting pipe II; 10. a connecting pipe I; 11. a delivery shaft; 12. conveying the spiral blade; 13. a conveying motor; 14. a filter screen; 15. a connecting pipe III; 16. extruding a pipe; 17. heating a pipe II; 18. a die head; 19. extruding the shaft; 20. an extrusion motor; 21. extruding the spiral leaves;

[ detailed description ] embodiments

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

as shown in fig. 1 to 5: the invention discloses an extrusion mechanism of a film blowing machine, which comprises a conveying pipe I5 and a conveying pipe II 6 which are respectively fixed on two sides above a frame 1, heating pipes I7 are uniformly wound on the peripheral sides of the conveying pipe I5 and the conveying pipe II 6, a feed hopper 2 is also fixed above the frame 1, the lower part of the feed hopper 2 is connected with the conveying pipe I5 and the conveying pipe II 6 through feed pipes 3, valves 4 are fixed on the two feed pipes 3, conveying shafts 11 are fixed inside the conveying pipe I5 and the conveying pipe II 6, conveying spiral blades 12 are uniformly wound on the conveying shafts 11, the conveying shafts 11 are driven to rotate by corresponding conveying motors 13, a three-way valve 8 is also fixed on the frame 1, the conveying pipe I5 is connected with the three-way valve 8 through a connecting pipe I10, one end of the connecting pipe I10 is connected with the tail end of the conveying pipe I5 through a flange, conveyer pipe II 6 is connected with three-way valve 8 through connecting pipe II 9, II 9 one ends of connecting pipe are passed through the flange and are connected with II 6 of conveyer pipe, II 9 other ends of connecting pipe pass through the flange and are connected with three-way valve 8, connecting pipe II 9 and I10 inside all are fixed with filter screen 14, three-way valve 8 is still through III 15 fixed connection extrusion pipes 16 of connecting pipe, 16 periphery sides of extrusion pipes are fixed with heating pipe II 17, 16 inside extrusion shafts 19 that are fixed with of extrusion pipes, 19 periphery sides of extrusion shafts are fixed with extrusion spiral leaf 21, extrusion shafts 19 and the drive of extrusion motor 20 rotate, 16 terminal still fixed die heads 18 of extrusion pipes. When the film is formed, a valve 4 of a feeding pipe 3 on a conveying pipe I5 is opened, the valve 4 of the feeding pipe 3 on a conveying pipe II 6 is closed, a channel between a connecting pipe I10 and a connecting pipe III 15 is opened through a three-way valve 8, a channel between the connecting pipe III 15 and a connecting pipe II 9 is closed, a corresponding conveying motor 13 on the conveying pipe II 6 is closed, the conveying motor 13 on the conveying pipe I5 is opened, the conveying shaft 11 is driven to rotate by the conveying motor 13, a conveying spiral blade 12 on the conveying shaft 11 rotates along with the conveying shaft 11, when the conveying spiral blade 12 rotates, plastic particles move forwards along with the rotation of the conveying spiral blade 12, the plastic particles are heated and then melted by a heating pipe I7 on the outer peripheral side of the conveying pipe I5, the plastic particles in a melting state are discharged into an extrusion pipe 16 through the connecting pipe I10, when the plastic in the melting state passes through the, impurities which cannot be melted are filtered by the filter screen 14 and then are left on one side of the filter screen 14, the extrusion motor 20 drives the extrusion shaft 19 in the extrusion pipe 16 to rotate, when the extrusion spiral blades 21 on the extrusion shaft 19 rotate, plastic in a molten state is discharged to the position of the die head 18, extrusion molding is carried out through the die head 18, the extrusion pipe 16 is heated through the heating pipe II 17, the plastic in the extrusion pipe 16 can be prevented from being solidified, after a period of production, namely when a large amount of impurities are filtered in the connecting pipe I10 and the connecting pipe I10 needs to be cleaned, the valve 4 of the feeding pipe 3 on the conveying pipe I5 is closed, the valve 4 of the feeding pipe 3 on the conveying pipe II 6 is opened, the channel between the connecting pipe II 9 and the connecting pipe III 15 is opened through the three-way valve 8, the channel between the connecting pipe I10 and the connecting pipe III 15 is closed, and the plastic in the, open I10 both ends flange of connecting pipe, discharge the impurity of filter screen 14 position in I10 of connecting pipe, filter screen 14 inside I10 of connecting pipe is washd, install again after the washing between three-way valve 8 and conveyer pipe I5, open the passageway between I10 of connecting pipe and connecting pipe III 15 and the passageway between II 9 of connecting pipe and connecting pipe III 15 in turn through three-way valve 8, pull down washing filter screen 14 in turn with I10 of connecting pipe and II 9 of connecting pipe, need not to shut down the operation, can guarantee to last for extruding pipe 16 plastics of supplying with molten state, thereby last shaping plastic film through die head 18, very big improvement plastic film's production efficiency.

The above description is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.