A film blowing machine waste gas collection device

Abstract

The present invention belongs to the technical field of film blowing machines, and discloses a waste gas collection device for film blowing machines, which includes a fixed disk, a rotating disk, and an adsorption assembly. The fixed disk is provided with a plurality of linear limit grooves along its radial direction, and the film bubble passes through the fixed disk and the rotating disk. The rotating disk is provided with a plurality of arc guide grooves, and the arc guide grooves rotate outward from one side of the inner wall of the rotating disk to one side of the outer wall of the rotating disk. The adsorption assembly includes a first adsorption plate, and a first guide column is arranged on the first adsorption plate. The free end of the first guide column passes through the linear limit groove and extends into the arc guide groove. The side of the first adsorption plate facing the film bubble is the first adsorption surface, and the first adsorption hole is arranged on the first adsorption surface. The rotating disk drives the first adsorption plate to approach or move away from the film bubble. The present invention can adjust the distance between the first adsorption plate and the film bubble according to the diameter of the film bubble, so as to ensure that the first adsorption hole effectively collects the waste gas.

Description

Technical Field

[0001] The invention relates to the technical field of film blowing machines, and in particular to a waste gas collecting device for film blowing machines. Background Art

[0002] The film blowing machine is a device that heats and melts plastic particles and then blows them into a film. The working principle of the film blowing machine is to add dry polyethylene particles into the lower hopper, and the polyethylene particles enter the screw from the hopper by their own weight. When the polyethylene particles come into contact with the bevel of the thread, the bevel of the thread rotates, and the bevel surface of the bevel of the thread produces a thrust perpendicular to the bevel surface on the polyethylene particles, pushing the polyethylene particles forward. Due to the collision and friction between the polyethylene particles and the screw, the polyethylene and the barrel, and the polyethylene particles, and also due to the external heating of the barrel, the polyethylene particles gradually melt. The molten material passes through the machine head to filter out impurities and comes out from the die head, and then passes through the air ring to cool and blow, and finally roll into a tube. Existing film blowing machines usually do not have an exhaust gas collection device. In the inflation process (i.e., the film blowing process), the exhaust gas generated by the melting of polyethylene is not collected in time, which does not conform to the concept of protecting the environment. Therefore, there is an urgent need for an exhaust gas collection device for a film blowing machine to collect the exhaust gas generated in the inflation process. Summary of the invention

[0003] One object of the present invention is to provide a waste gas collection device for a film blowing machine, so that an adsorption component can be close to a film bubble and collect the waste gas.

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

[0005] A film blowing machine exhaust gas collection device, comprising:

[0006] A fixed plate, wherein the fixed plate is provided with a plurality of linear limiting grooves along its radial direction;

[0007] A rotating disk is located on one side of the fixed disk, and through holes are provided in the middle of the fixed disk and the rotating disk, and the film bubble passes through the through holes of the fixed disk and the rotating disk, and a plurality of arc-shaped guide grooves are provided on the rotating disk, and the arc-shaped guide grooves rotate outward from one side of the inner wall of the rotating disk to one side of the outer wall of the rotating disk;

[0008] The adsorption component is located on the other side of the fixed disk, and the adsorption component includes a first adsorption plate. The first adsorption plates are arranged in a plurality, and each of the first adsorption plates is provided with a first guide column. The free end of the first guide column passes through the linear limiting groove and extends into the arc guide groove. The side of the first adsorption plate facing the membrane bubble is the first adsorption surface, and the first adsorption surface is provided with a first adsorption hole. The rotating disk can drive the first adsorption plate to approach or move away from the membrane bubble.

[0009] As an optional technical solution, the number of the first adsorption plates is six, the six first adsorption plates are located in the same horizontal plane and are arranged around the membrane bubble, and the intervals between adjacent first adsorption plates are equal.

[0010] As an optional technical solution, a handle is provided on the rotating disk.

[0011] As an optional technical solution, a circular ring is axially extended from the inner wall of the fixed disk, and the rotating disk is rotatably sleeved on the circular ring.

[0012] As an optional technical solution, an ear plate is further provided on the fixing plate, and the free end of the ear plate extends out of the fixing plate and can be detachably mounted on an external support platform.

[0013] As an optional technical solution, the surface between adjacent first adsorption plates is a second adsorption surface, and second adsorption holes are arranged on the second adsorption surface.

[0014] As an optional technical solution, the adsorption assembly also includes a second adsorption plate, which is fixed relative to the membrane bubble, and the side of the second adsorption plate facing the membrane bubble is a third adsorption surface, and the third adsorption surface is provided with a third adsorption hole.

[0015] As an optional technical solution, three first adsorption plates are provided, the three first adsorption plates are located in a first horizontal plane, the three first adsorption plates are arranged around the membrane bubble, and the intervals between adjacent first adsorption plates are equal;

[0016] The number of the second adsorption plates is three, the three second adsorption plates are located in a second horizontal plane, the three second adsorption plates are arranged around the membrane bubble, and the intervals between adjacent second adsorption plates are equal, and the first horizontal plane is parallel to the second horizontal plane.

[0017] As an optional technical solution, each of the first adsorption plates is provided with a second guide column, and the free end of the second guide column extends into the linear limiting groove.

[0018] The beneficial effects of the present invention are:

[0019] The present invention provides an exhaust gas collection device for a film blowing machine, which comprises a fixed disk, a rotating disk and an adsorption component, wherein the rotating disk and the adsorption component are respectively arranged on both sides of the fixed disk, and a fan blows a film bubble, and the film bubble passes through the fixed disk and the rotating disk, and a straight line limit groove is provided on the fixed disk, and the straight line limit groove is radially arranged, and an arc guide groove is provided on the rotating disk, and the arc guide groove is outwardly rotated from one side of the inner wall of the rotating disk to one side of the outer wall of the rotating disk, and the adsorption component comprises a first adsorption plate, and a first adsorption hole is provided on a side of the first adsorption plate facing the film bubble, and the first adsorption hole can collect the exhaust gas generated in the film blowing process to prevent the exhaust gas from polluting the environment, and a first guide column is provided on the first adsorption plate, and the free end of the first guide column passes through the straight line limit groove and extends into the arc guide groove. When the rotating disk rotates, the rotating disk pushes the first guide column, and because the first guide column is limited in the straight line limit groove, the first guide column can be radially close to or away from the film bubble, so as to adjust the distance between the first adsorption hole and the film bubble, so as to ensure that the first adsorption hole can effectively collect the exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described in detail below based on the accompanying drawings and embodiments;

[0021] Figure 1 This is a structural explosion diagram from a first perspective of the waste gas collection device for a film blowing machine (showing film bubbles) described in Example 1;

[0022] Figure 2 It is a schematic structural diagram of the exhaust gas collection device of the film blowing machine (showing film bubbles) from a first perspective according to the first embodiment;

[0023] Figure 3 It is a structural schematic diagram of the waste gas collection device for the film blowing machine according to the first embodiment from a second perspective;

[0024] Figure 4 It is a schematic diagram of the structure of the fixing plate and the ear plate described in Example 1;

[0025] Figure 5 This is a schematic structural diagram of the first adsorption plate, the first guide column and the second guide column described in Example 1;

[0026] Figure 6 This is a schematic diagram of the structure of the waste gas collection device for the film blowing machine described in Example 2;

[0027] Figure 7 It is a structural explosion diagram of the waste gas collection device of the film blowing machine described in the second embodiment;

[0028] Figure 8 This is a schematic diagram of the structure of the second adsorption plate, the first guide column and the second guide column described in Example 2.

[0029] Figures 1 to 8 middle:

[0030] 100. Membrane bubble;

[0031] 1. Fixed plate; 11. Linear limiting groove; 12. Circular ring;

[0032] 2. Rotating disk; 21. Arc guide groove;

[0033] 3. adsorption assembly; 31. first adsorption plate; 311. first adsorption hole; 312. second adsorption hole; 32. first guide column; 33. second adsorption plate; 331. third adsorption hole; 34. second guide column;

[0034] 4. Handle;

[0035] 5. Ear plate. DETAILED DESCRIPTION

[0036] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0039] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0040] Embodiment 1:

[0041] The waste gas collection device of the film blowing machine provided in this embodiment can timely absorb and collect the waste gas generated by the film bubble 100 during the blowing process to prevent the waste gas from polluting the air. The film bubble 100 in this embodiment is made of polyethylene material.

[0042] like Figures 1 to 3 As shown, specifically, the waste gas collection device of the film blowing machine includes a fixed disk 1, a rotating disk 2 and an adsorption assembly 3. The fixed disk 1 is provided with a plurality of linear limit grooves 11 along its radial direction. The rotating disk 2 is located above the fixed disk 1. The adsorption assembly 3 is located below the fixed disk 1. Through holes are provided in the middle of the fixed disk 1 and the middle of the rotating disk 2. The film bubble 100 passes through the through holes of the fixed disk 1 and the rotating disk 2. Six arc guide grooves 21 are provided on the rotating disk 2. The arc guide grooves 21 are formed from the inner wall of the rotating disk 2. One side rotates outward to the outer wall side of the rotating disk 2, and the adsorption assembly 3 includes a first adsorption plate 31. The first adsorption plates 31 are arranged in six numbers. A first guide column 32 is arranged on each first adsorption plate 31. The free end of the first guide column 32 passes through the linear limit groove 11 and extends into the arc guide groove 21. The side of the first adsorption plate 31 facing the film bubble 100 is the first adsorption surface. The first adsorption surface is provided with a first adsorption hole 311. The rotating disk 2 can drive the first adsorption plate 31 to approach or move away from the film bubble 100. The fixed disk 1 and the rotating disk 2 are arranged coaxially, and the film bubble 100 passes through the through holes of the fixed disk 1 and the through holes of the rotating disk 2 and is inflated. The film bubble 100 and the fixed disk 1 and the film bubble 100 and the rotating disk 2 are arranged at intervals to prevent the film bubble 100 from contacting the fixed disk 1 or the rotating disk 2, thereby ensuring that the appearance of the film bubble 100 is not affected. When another film bubble 100 with a different diameter is replaced for inflation, the location where the waste gas is generated is different, and it is necessary to ensure that the first adsorption plate 31 can move close to the location where the waste gas is generated. In this embodiment, the rotating disk 2 is rotated, and the rotating disk 2 pushes the first guide column 32. Since the first guide column 32 is limited in the linear limit groove 11, the first guide column 32 can be radially close to or away from the film bubble 100 to adjust the distance between the first adsorption hole 311 and the film bubble 100. The first adsorption hole 311 can effectively collect waste gas. The waste gas collection device of the film blowing machine of this embodiment can adapt to film bubbles 100 of different sizes.

[0043] In this embodiment, six first adsorption plates 31 are located on the same horizontal plane and are arranged around the film bubble 100. The spacing between adjacent first adsorption plates 31 is equal. When the diameter of the film bubble 100 is small, the spacing between adjacent first adsorption plates 31 is zero, and the first adsorption plates 31 are adjusted to the position closest to the film bubble 100. The first adsorption surface is a curved surface, and the six first adsorption surfaces can form a torus surface, ensuring that the exhaust gas generated by the film bubble 100 is effectively adsorbed and collected.

[0044] In this embodiment, a handle 4 is provided on the rotating disk 2. The operator can rotate the rotating disk 2 by pushing the handle 4, which is convenient for operation.

[0045] like Figure 4 As shown, in this embodiment, a circular ring 12 is axially extended from the inner wall of the fixed disk 1, and the rotating disk 2 is rotatably sleeved on the circular ring 12. The circular ring 12 is in a stepped shape, and the rotating disk 2 is sleeved on the circular ring 12, which can ensure that the rotation center line of the rotating disk 2 is coaxial with the center line of the fixed disk 1, thereby preventing the rotating disk 2 from deviating from the rotation center, and at the same time preventing the opposite surfaces of the fixed disk 1 and the rotating disk 2 from directly contacting each other, thereby reducing friction.

[0046] In this embodiment, a lug plate 5 is further provided on the fixing plate 1 , and a free end of the lug plate 5 extends out of the fixing plate 1 and can be detachably mounted on an external support platform.

[0047] like Figure 5 As shown, in this embodiment, the surface between adjacent first adsorption plates 31 is the second adsorption surface, and the second adsorption surface is provided with second adsorption holes 312. When the film bubble 100 with a larger diameter is inflated, in order to prevent the first adsorption plate 31 from contacting the film bubble 100 and ensure that the appearance of the film bubble 100 is not affected, the first adsorption plate 31 is adjusted outward, and a gap is generated between the film bubble 100 and the first adsorption plate 31. At the same time, the gap between adjacent first adsorption plates 31 is also greater than zero. In order to prevent the exhaust gas from leaking to the outside from the gap between adjacent first adsorption plates 31, the second adsorption holes 312 are provided to absorb and collect the exhaust gas drifting between the adjacent first adsorption plates 31.

[0048] like Figure 5 As shown, in this embodiment, each first adsorption plate 31 is provided with a second guide column 34, and the free end of the second guide column 34 extends into the linear limit groove 11. Each first adsorption plate 31 is connected to a vacuum pump, and the vacuum pump can refer to the prior art, and will not be described in detail in this embodiment. Specifically, the second guide column 34 can ensure that the first adsorption plate 31 only moves in the radial direction of the fixed disk 1, and prevent the first guide column 32 from rotating with its central axis as the rotation center line during the movement, causing the first adsorption plate 31 to deflect and contact the membrane bubble 100.

[0049] Embodiment 2:

[0050] like Figures 6 to 8As shown, the difference between this embodiment and embodiment one is that the adsorption component 3 of this embodiment also includes a second adsorption plate 33, the second adsorption plate 33 is fixedly arranged relative to the membrane bubble 100, the side of the second adsorption plate 33 facing the membrane bubble 100 is a third adsorption surface, and the third adsorption surface is provided with third adsorption holes 331, the first adsorption plates 31 are provided in three, the three first adsorption plates 31 are located in the first horizontal plane, the three first adsorption plates 31 are arranged around the membrane bubble 100, and the spacing between adjacent first adsorption plates 31 is equal, the second adsorption plates 33 are provided in three, the three second adsorption plates 33 are located in the second horizontal plane, the three second adsorption plates 33 are arranged around the membrane bubble 100, and the spacing between adjacent second adsorption plates 33 is equal, the first horizontal plane is parallel to the second horizontal plane, and the three first adsorption plates 31 and the three second adsorption plates 33 are staggered in the length direction of the membrane bubble 100. The three second adsorption plates 33 are fixed relative to the membrane bubble 100, the distance between the third adsorption surface and the membrane bubble 100 is fixed, and the three first adsorption plates 31 are adjustable, which can ensure that at least part of the exhaust gas generated by the membrane bubble 100 is adsorbed and collected by the third adsorption holes 331 on the second adsorption plates 33, and avoid the exhaust gas being unable to be collected due to the excessive distance between the first adsorption plate 31 and the membrane bubble 100 during the adjustment of the first adsorption plate 31.

[0051] In the description herein, it should be understood that the terms "upper", "lower", "left", "right", etc., and the like, are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0052] In the description of this specification, the description with reference to the terms "an embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0053] In addition, the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A film blowing machine exhaust gas collection device, characterized in that: include: A fixed plate, wherein the fixed plate is provided with a plurality of linear limiting grooves along its radial direction; A rotating disk is located on one side of the fixed disk, and through holes are provided in the middle of the fixed disk and the rotating disk, and the film bubble passes through the through holes of the fixed disk and the rotating disk, and a plurality of arc-shaped guide grooves are provided on the rotating disk, and the arc-shaped guide grooves rotate outward from one side of the inner wall of the rotating disk to one side of the outer wall of the rotating disk; The adsorption component is located on the other side of the fixed disk, and the adsorption component includes a first adsorption plate. The first adsorption plates are arranged in a plurality, and each of the first adsorption plates is provided with a first guide column. The free end of the first guide column passes through the linear limiting groove and extends into the arc guide groove. The side of the first adsorption plate facing the membrane bubble is the first adsorption surface, and the first adsorption surface is provided with a first adsorption hole. The rotating disk can drive the first adsorption plate to approach or move away from the membrane bubble.

2. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: The number of the first adsorption plates is six, the six first adsorption plates are located in the same horizontal plane and are arranged around the membrane bubble, and the spacing between adjacent first adsorption plates is equal.

3. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: A handle is arranged on the rotating disk.

4. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: A circular ring is axially extended from the inner wall of the fixed disk, and the rotating disk is rotatably sleeved on the circular ring.

5. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: The fixing plate is also provided with an ear plate, and the free end of the ear plate extends out of the fixing plate and is detachably mounted on the external supporting platform.

6. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: The surface between the adjacent first adsorption plates is a second adsorption surface, and the second adsorption surface is provided with second adsorption holes.

7. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: The adsorption component also includes a second adsorption plate, which is fixedly arranged relative to the membrane bubble. The side of the second adsorption plate facing the membrane bubble is a third adsorption surface, and the third adsorption surface is provided with third adsorption holes.

8. The waste gas collection device for a film blowing machine according to claim 7, characterized in that: The number of the first adsorption plates is three, the three first adsorption plates are located on a first horizontal plane, the three first adsorption plates are arranged around the membrane bubble, and the intervals between adjacent first adsorption plates are equal; The number of the second adsorption plates is three, the three second adsorption plates are located in a second horizontal plane, the three second adsorption plates are arranged around the membrane bubble, and the intervals between adjacent second adsorption plates are equal, and the first horizontal plane is parallel to the second horizontal plane.

9. The waste gas collection device for a film blowing machine according to claim 1, characterized in that: A second guide column is disposed on each of the first adsorption plates, and a free end of the second guide column extends into the linear limiting groove.

Images