A multi-layer co-extrusion high-pressure film blowing machine

Abstract

The present invention discloses a multi-layer co-extrusion high-pressure film blowing machine, which belongs to the technical field of film production. It includes a processing cylinder and a film blowing device, wherein the upper part of the processing cylinder is connected with a feed port, and the processing cylinder is connected with an impurity removal device. The motor is fixedly connected to the upper part of the processing cylinder, and the motor output shaft passes through the processing cylinder and is fixedly connected to a rotating rod. The baffle is fixedly connected to the inner wall of the processing cylinder, and the filter plate is slidably connected to the inner wall of the processing cylinder, and the filter plate is arranged obliquely. The fixed block is fixedly connected to the inner wall of the processing cylinder, and the spring is located between the filter plate and the fixed block. The convex block is located on the lower side of the filter plate, and the rotating rod is fixedly connected to the cross bar. A feeding pipe is connected to the bottom of the hot melt chamber, and a film blowing device is connected to the upper end of the feeding pipe. A fixed frame is connected to the outer side of the film blowing device, and a winding device is connected to one side of the film blowing device. This is to solve the problem that some impurities and dust contained in the material production in the existing device also enter the smelting device, resulting in a large number of impurities in the finished film and poor light transmittance.

Description

Technical Field

[0001] The invention belongs to the technical field of film production, and in particular relates to a multi-layer co-extrusion high-pressure film blowing machine. Background Art

[0002] High-pressure film bags are also called PE film bags. The production of PE film bags is to melt PE plastic particles, extrude film bubbles through the discharge die head, blow them into thin films, and then pull and roll them into tubes. Existing film blowing machines are upper blowing type and lower blowing type. The height of the lower blowing die head is set lower, and the length of the film bubble is small, which is not conducive to the cooling and blowing of the film. If it is directly rolled up, the film will stick together, and the film thickness will be uneven. The mechanical equipment is also inconvenient to install. And the upper blowing film blowing machine, after the film bubble is pulled out, it can be pulled vertically upward for a higher distance, which is conducive to the cooling and blowing of the film. The mechanical structure layout is also more reasonable. The existing upper blowing film blowing machine usually includes a molten material feeding device, a die head, an air ring and a winding mechanism. During production, the plastic rice is poured into the molten material feeding device, melted and transported to the die head for extrusion, and the film bubble is pulled out. At the same time, the air ring blows air to the film bubble wall so that the film reaches the thickness and diameter of the film bag to be produced. However, the existing device directly pours the material into the smelting device, and some impurities and dust contained in the material production also enter the smelting device, resulting in a large amount of impurities in the finished film and poor light transmittance. Moreover, putting all the materials into the smelting device at one time will make it difficult to melt the stacked materials. Summary of the invention

[0003] In view of this, the object of the present invention is to provide a multi-layer co-extrusion high-pressure film blowing machine to solve the problem that some impurities and dust contained in the material production in the existing device also enter the melting device, resulting in a large number of impurities in the finished film and poor light transmittance.

[0004] In order to achieve the above object, the present invention provides the following technical solutions:

[0005] The present invention discloses a multi-layer co-extrusion high-pressure film blowing machine, comprising a processing cylinder and a film blowing device, wherein the upper portion of the processing cylinder is connected with a feed port, and the inside of the processing cylinder is connected with an impurity removal device, and the impurity removal device comprises: a motor, a rotating rod, a filter plate, a baffle, a cross bar, a convex block, a fixed block, a spring and a flow guide port, wherein the motor is fixedly connected to the upper portion of the processing cylinder, the output shaft of the motor passes through the processing cylinder and is fixedly connected to the rotating rod, the baffle is fixedly connected to the inner side wall of the processing cylinder, the filter plate is slidably connected to the inner side wall of the processing cylinder, and the filter plate is obliquely connected to the inner side wall of the processing cylinder. The fixing block is fixedly connected to the inner wall of the processing cylinder, the spring is located between the filter plate and the fixing block, the convex block is located at the lower side of the filter plate, the rotating rod is fixedly connected to the cross bar, a hot melt cavity is opened at the lower side of the processing cylinder, one end of the guide port is located at the upper part of the processing cylinder, and the other end of the guide port is located at the upper part of the hot melt cavity. A feeding pipe is connected to the bottom of the hot melt cavity, and a film blowing device is connected to the upper end of the feeding pipe. A fixing frame is connected to the outer side of the film blowing device, and a winding device is connected to one side of the film blowing device. The hot melt cavity contains The invention relates to a hot melt processing device, which comprises: a rotating disk, a dispersion rod, a rotating plate, an arc plate and a heating plate, wherein the rotating rod passes through the rotating disk and is fixedly connected to the rotating disk, the dispersion rod has multiple pieces and is evenly arranged on the outside of the rotating disk, the lower side of the rotating rod is fixedly connected to the rotating plate, one side of the rotating plate is fixedly connected to the arc plate, the heating plate has multiple pieces and is evenly arranged on the inner wall of the hot melt chamber, the feeding tube is connected with a feeding device, and the feeding device comprises: an electric cylinder, a fence, a push plate, a fixed rod, a torsion spring, a closing plate and a baffle The block comprises a fence and a fixing rod, wherein the fixing rod is located in the fixing rod and a fixing rod is connected to the fixing rod. The fixing rod comprises a fixing rod and a ...

[0006] Furthermore, a fan is connected to one side of the upper portion of the processing cylinder, and an air outlet is correspondingly opened on the other side of the upper portion of the processing cylinder.

[0007] Furthermore, a wedge plate is connected to the lower side of the rotating plate.

[0008] Furthermore, a sliding block is connected to the outer side of the filter plate, a sliding groove is provided on the upper part of the processing cylinder, and the sliding block is slidably connected to the sliding groove.

[0009] Furthermore, the upper end of the rotating disk is wedge-shaped.

[0010] The beneficial effects of the present invention are:

[0011] The present invention discloses a multi-layer co-extrusion high-pressure film blowing machine. The impurity removing device is used to remove dust or fine impurities retained in the material. The dust and impurities are filtered out by vibration and screening, and the impurities are blown out of the processing tube by a fan. At this time, the material enters the hot melt cavity; the hot melt processing device is used to evenly break up the material to prevent the material from stacking, so that the material is evenly heated and melted; and the arc plate is used to push the melted material into the feeding tube; the feeding device is used to accurately control the feeding amount of the material, so that the thickness of the film can be controlled; when the electric cylinder drives the push plate to move toward the processing tube, the closing plate rotates to allow the material to enter the feeding tube. When the electric cylinder drives the push plate to pull back, the closing plate is forced to rotate to block the push plate. At this time, the material is forced to drive the material to enter the film blowing device for film blowing.

[0012] Other advantages, objectives and features of the present invention will be described in the following description and will be apparent to those skilled in the art to some extent, or those skilled in the art may be taught from the practice of the present invention. The objectives and other advantages of the present invention may be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the present invention provides the following drawings for illustration:

[0014] Figure 1 It is a schematic diagram of the structure of the present invention;

[0015] Figure 2 It is a partial view of the guide port and other components of the present invention;

[0016] Figure 3 This is an enlarged view of point A of the present invention;

[0017] Figure 4 It is a partial view of the impurity removal device and other components of the present invention;

[0018] Figure 5 It is a partial view of the feeding device and other components of the present invention;

[0019] Figure 6 This is an enlarged view of point B of the present invention.

[0020] The markings in the attached drawings are as follows: 1. treatment cylinder; 2. feed port; 3. impurity removal device; 31. motor; 32. guide port; 33. filter plate; 34. spring; 35. fixed block; 36. bump; 37. cross bar; 38. baffle; 39. rotating rod; 4. hot melt chamber; 5. feeding pipe; 6. film blowing device; 7. winding device; 8. feeding device; 81. electric cylinder; 82. fence; 83. push plate; 84. fixed rod; 85. closing plate; 86. baffle; 87. torsion spring; 9. hot melt treatment device; 91. rotating disk; 92. dispersion rod; 93. rotating plate; 94. arc plate; 95. heating plate; 10. air outlet; 11. fan; 12. wedge plate; 13. slider; 14. slide chute; 15. fixed frame. DETAILED DESCRIPTION

[0021] like Figures 1 to 4 As shown, a multi-layer co-extrusion high-pressure film blowing machine of the present invention comprises a processing cylinder 1 and a film blowing device 6, wherein the upper portion of the processing cylinder 1 is connected with a feed port 2 to allow materials to enter the processing cylinder 1. The processing cylinder 1 is connected with an impurity removal device 3 for removing dust and fine impurities from the materials. The impurity removal device 3 comprises: a motor 31, a rotating rod 39, a filter plate 33, a baffle 38, a cross bar 37, a protrusion 36, a fixed block 35, a spring 34 and a guide port 32. The motor 31 is fixedly connected to the upper portion of the processing cylinder 1, and the output shaft of the motor 31 passes through the processing cylinder 1 and is fixedly connected to the rotating rod 39, and the rotating rod 39 is driven to rotate by the motor 31. The baffle 38 is fixedly connected to the inner side wall of the processing cylinder 1, and the baffle 38 is used to block dust. The filter plate 33 is slidably connected to the inner side wall of the processing cylinder 1 so that impurities fall when the filter plate 33 moves, and the filter plate 33 is arranged obliquely so that the material moves along the inclined direction of the filter plate 33. The fixed block 35 is fixedly connected to the inner wall of the treatment cylinder 1, and the spring 34 is located between the filter plate 33 and the fixed block 35, so that the filter plate 33 can be moved and reset by the spring 34. The protrusion 36 is located on the lower side of the filter plate 33, and the end of the protrusion 36 away from the filter plate 33 is in an arc shape. A slider 13 is connected to the outer side of the filter plate 33, and a slide groove 14 is provided on the upper part of the treatment cylinder 1. The slider 13 is slidably connected to the slide groove 14 to limit the sliding direction of the filter plate 33. There are a plurality of cross bars 37 evenly arranged on the outer side of the rotating rod 39, and the rotating rod 39 drives the cross bar 37 to rotate. A hot melt chamber 4 is provided on the lower side of the treatment cylinder 1 for melting materials. One end of the guide port 32 is located on the upper part of the treatment cylinder 1, and the other end of the guide port 32 is located on the upper part of the hot melt chamber 4 to allow the material to enter the hot melt chamber 4. A fan 11 is connected to one side of the upper part of the treatment cylinder 1, and an air outlet 10 is correspondingly opened on the other side of the upper part of the treatment cylinder 1. The fan 11 is started to blow impurities out of the treatment cylinder 1. A feeding pipe 5 is connected to the bottom of the hot melt chamber 4, and the material enters the film blowing device 6 through the feeding pipe 5. The upper end of the feeding pipe 5 is connected to the film blowing device 6, and the outer side of the film blowing device 6 is connected to a fixing frame 15. A winding device 7 is connected to one side of the film blowing device 6.

[0022] The working principle of the above scheme is as follows: the material is put into the processing cylinder 1, and the material falls to the upper part of the filter plate 33. At this time, the motor 31 is started to drive the rotating rod 39 to rotate, and the rotating rod 39 drives the cross bar 37 to rotate. The cross bar 37 contacts the protrusion 36, and the protrusion 36 is forced to drive the filter plate 33 to move. At this time, the spring 34 is forced to bounce up to make the filter plate 33 shake, and when the cross bar 37 does not contact the protrusion 36, the spring 34 pulls the filter plate 33 to reset. The filter plate 33 shakes to filter impurities and dust, and the impurities are blown out of the processing cylinder 1 through the fan 11. At this time, the material enters the guide port 32, passes through the guide port 32 and enters the hot melt chamber 4. The material is melted in the hot melt chamber 4 and then discharged through the feeding pipe 5. The feeding pipe 5 brings the material to the film blowing device 6, and the film blowing device 6 cools the material into a film. The film blowing device 6 drives the film to the upper part of the fixed frame 15, and then the film is collected and stored by the winding device 7.

[0023] The beneficial effects of the above scheme are as follows: the dust or fine impurities remaining in the material are removed by the impurity removal device 3, the dust and impurities are filtered out by vibration and screening, and the impurities are blown out of the processing cylinder 1 by the fan 11. At this time, the material enters the hot melt chamber 4; the impurities in the material are removed to make the material purer and increase the quality of the film.

[0024] In one embodiment of the present invention, Figures 1 to 4 As shown, the hot melt chamber 4 includes a hot melt treatment device 9, which is used to break up the material for uniform melting. The hot melt treatment device 9 includes: a rotating disk 91, a dispersion rod 92, a rotating plate 93, an arc plate 94 and a heating plate 95. The rotating rod 39 passes through the rotating disk 91 and is fixedly connected to the rotating disk 91, and the rotating rod 39 drives the rotating disk 91 to rotate. The upper end of the rotating disk 91 is wedge-shaped, so that the material slides to the outside of the rotating disk 91. There are multiple dispersion rods 92 and they are evenly arranged on the outside of the rotating disk 91. The dispersion rods 92 are arc-shaped. The dispersion rods 92 are used to evenly disperse the material at the bottom of the hot melt chamber 4 to prevent the material from stacking. The lower side of the rotating rod 39 is fixedly connected to the rotating plate 93, and the rotating rod 39 drives the rotating plate 93 to rotate to mix the material. One side of the rotating plate 93 is fixedly connected to the arc plate 94, and the rotating plate 93 rotates to drive the arc plate 94 to rotate, and the arc plate 94 pushes the material into the feeding pipe 5. The heating plates 95 are arranged uniformly on the inner wall of the hot melting chamber 4, so as to uniformly heat the hot melting chamber 4. The lower side of the rotating plate 93 is connected with a wedge plate 12, so as to scrape up the melted material.

[0025] The working principle of the above scheme is as follows: when the material enters the hot melt chamber 4, the material falls on the rotating disk 91, and the rotating disk 91 rotates to disperse the material through the dispersion rod 92, and the material is evenly dispersed at the bottom of the hot melt chamber 4 and then melted by the hot melt chamber 4. At this time, the rotating plate 93 stirs the melted material evenly, and the arc plate 94 rotates to push the material into the feeding pipe 5.

[0026] The beneficial effects of the above scheme are as follows: the hot melt processing device 9 can evenly break up the material, prevent the material from piling up, and facilitate even heating and melting of the material; and the arc plate 94 can facilitate pushing the melted material into the feeding tube 5.

[0027] In one embodiment of the present invention, Figures 1 to 6 As shown, a feeding device 8 for feeding the melted material is connected inside the feeding tube 5, and the feeding device 8 includes: an electric cylinder 81, a baffle 82, a push plate 83, a fixed rod 84, a torsion spring 87, a closing plate 85 and a stopper 86. The baffle 82 is fixedly connected to one end of the feeding tube 5 for blocking the material. The electric cylinder 81 is fixedly connected to one side of the baffle 82, and the push plate 83 is located in the feeding tube 5 and is slidably connected to the feeding tube 5, and the push plate 83 is slidable in the feeding tube 5. The middle part of the push plate 83 is open, so that the material can pass through the push plate 83. The fixed rod 84 is horizontally connected to the middle part of the push plate 83, and the closing plate 85 has two pieces that are respectively hinged to the two sides of the fixed rod 84, so that it can be opened or closed. The torsion spring 87 is located between the closing plate 85 and the fixed rod 84, so that the closing plate 85 is in a closed state under normal conditions. The two stoppers 86 are fixedly connected to the fixing rod 84, and the output shaft of the electric cylinder 81 passes through the fence 82 and is fixedly connected to the fixing rod 84. The two stoppers 86 are L-shaped and correspond to the closing plate 85 respectively, and the stoppers 86 prevent the closing plate 85 from rotating excessively so as not to rotate back.

[0028] The working principle of the above scheme is as follows: when the material needs to be fed, the electric cylinder 81 drives the push plate 83 to retract, and the material enters the feeding tube 5. At this time, the electric cylinder 81 is started again to drive the push plate 83 to push, and the closing plate 85 contacts the material, and the closing plate 85 rotates so that the material can pass through the push plate 83. At this time, the electric cylinder 81 drives the push plate 83 to pull back, and the material is driven into the film blowing device 6 by the push plate 83. By driving the push plate 83 to move by the electric cylinder 81, the amount of material entering the film blowing device 6 can be accurately controlled to make the film thickness uniform.

[0029] The beneficial effects of the above scheme are as follows: when the electric cylinder 81 drives the push plate 83 to move toward the processing cylinder 1, the closing plate 85 rotates to allow the material to enter the feeding pipe 5; when the electric cylinder 81 drives the push plate 83 to pull back, the closing plate 85 is forced to rotate to block the push plate 83, and the material is then driven by the force to enter the film blowing device 6 for film blowing.

[0030] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A multi-layer co-extrusion high-pressure film blowing machine, characterized in that: The invention comprises a treatment barrel (1) and a film blowing device (6), wherein the upper portion of the treatment barrel (1) is connected to a feed port (2), and the inside of the treatment barrel (1) is connected to an impurity removal device (3), wherein the impurity removal device (3) comprises: a motor (31), a rotating rod (39), a filter plate (33), a baffle (38), a cross bar (37), a convex block (36), a fixed block (35), a spring (34) and a flow guide port (32), wherein the motor (31) is fixedly connected to the upper portion of the treatment barrel (1), an output shaft of the motor (31) passes through the treatment barrel (1) and is fixedly connected to the rotating rod (39), the baffle (38) is fixedly connected to the inner side wall of the treatment barrel (1), the filter plate (33) is slidably connected to the inner side wall of the treatment barrel (1), and the filter plate (33) is slidably connected to the inner side wall of the treatment barrel (1). 3) is arranged obliquely, the fixed block (35) is fixedly connected to the inner wall of the processing cylinder (1), the spring (34) is located between the filter plate (33) and the fixed block (35), the protrusion (36) is located on the lower side of the filter plate (33), the rotating rod (39) is fixedly connected to the cross bar (37), a hot melt chamber (4) is opened on the lower side of the processing cylinder (1), one end of the guide port (32) is located on the upper part of the processing cylinder (1), and the other end of the guide port (32) is located on the upper part of the hot melt chamber (4), the bottom of the hot melt chamber (4) is connected to a feeding pipe (5), the upper end of the feeding pipe (5) is connected to a film blowing device (6), the outer side of the film blowing device (6) is connected to a fixed frame (15), and one side of the film blowing device (6) is connected to a winding device (16). The hot melt chamber (4) includes a hot melt treatment device (9), the hot melt treatment device (9) includes: a rotating disk (91), a dispersion rod (92), a rotating plate (93), an arc plate (94) and a heating plate (95), the rotating rod (39) passes through the rotating disk (91) and is fixedly connected to the rotating disk (91), there are a plurality of dispersion rods (92) and they are evenly arranged on the outside of the rotating disk (91), the lower side of the rotating rod (39) is fixedly connected to the rotating plate (93), one side of the rotating plate (93) is fixedly connected to the arc plate (94), there are a plurality of heating plates (95) evenly arranged on the inner wall of the hot melt chamber (4), and a feeding device (8) is connected to the feeding tube (5), and the feeding device (8) includes: An electric cylinder (81), a fence (82), a push plate (83), a fixed rod (84), a torsion spring (87), a closing plate (85) and a stopper (86), wherein the fence (82) is fixedly connected to one end of a feeding tube (5), the electric cylinder (81) is fixedly connected to one side of the fence (82), the push plate (83) is located in the feeding tube (5) and is slidably connected to the feeding tube (5), the middle part of the push plate (83) is open, the fixed rod (84) is transversely connected to the middle part of the push plate (83), the closing plate (85) has two pieces respectively hinged to the two sides of the fixed rod (84), the torsion spring (87) is located between the closing plate (85) and the fixed rod (84), and the stopper (86) has two pieces both fixedly connected to the fixed rod (84),The output shaft of the electric cylinder (81) passes through the fence plate (82) and is fixedly connected to the fixing rod (84). The two stoppers (86) are L-shaped and correspond to the closing plates (85) respectively.

2. A multi-layer co-extrusion high-pressure film blowing machine according to claim 1, characterized in that: One side of the upper portion of the treatment cylinder (1) is connected to a fan (11), and the other side of the upper portion of the treatment cylinder (1) is correspondingly provided with an air outlet (10).

3. The multi-layer co-extrusion high-pressure film blowing machine according to claim 1, characterized in that: A wedge-shaped plate (12) is connected to the lower side of the rotating plate (93).

4. The multi-layer co-extrusion high-pressure film blowing machine according to claim 1, characterized in that: The outer side of the filter plate (33) is connected to a sliding block (13), the upper part of the treatment cylinder (1) is provided with a sliding groove (14), and the sliding block (13) is slidably connected to the sliding groove (14).

5. The multi-layer co-extrusion high-pressure film blowing machine according to claim 1, characterized in that: The upper end of the rotating disk (91) is wedge-shaped.

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