Material mixing device for single-layer film blowing machine

Abstract

The utility model belongs to the technical field of single-layer film blowing machines, and particularly relates to a material mixing device for a single-layer film blowing machine, which comprises a support and a material mixing barrel, the material mixing barrel is fixed on the support, a stirring mechanism is arranged in the material mixing barrel, a feeding mechanism is arranged at the top of the material mixing barrel, a discharging barrel is rotatably arranged at the bottom of the material mixing barrel, and the discharging barrel is fixed on the support. A discharging opening is formed in the bottom of the discharging barrel, a material leaking plate is arranged at the top of the discharging barrel, a plurality of first material leaking holes are formed in the material leaking plate in a penetrating mode, and a plurality of second material leaking holes matched with the first material leaking holes are formed in the bottom wall of the material mixing barrel in a penetrating mode. By rotating the discharging barrel, adjusting the relative position of the first material leakage hole and the second material leakage hole, adjusting the falling amount of raw materials and adjusting the amount of the raw materials entering the extruder, the work of the material mixing device is not influenced in the shutdown maintenance process of the extruder, and the extruder does not need to wait when entering work again.

Description

Technical Field

[0001] The utility model belongs to the technical field of single-layer film blowing machines, and in particular relates to a material mixing device for a single-layer film blowing machine. Background Art

[0002] The single-layer blown film machine produces film mainly by extruding the raw materials into a molten state through an extrusion mechanism, and using compressed air to blow out film bubbles to obtain film, and then the film is conveyed to the winding mechanism through a traction mechanism, and the winding mechanism rolls the film into a roll.

[0003] The production of thin films requires two or more different raw materials, so the raw materials need to be mixed before the extrusion mechanism. Application No. CN202321046800.8 discloses an extruder mixing device, including a mixing barrel, the inner cavity of the mixing barrel is provided with a rotating rod, the surface of the rotating rod is fixedly connected with a stirring blade, the lower end of the inner cavity of the mixing barrel is movably connected with a scraper ring, both sides of the top of the scraper ring are fixedly connected with a connecting frame, and both sides of the mixing barrel are fixedly connected with a connecting box. The mixing device can effectively prevent the inconvenience of cleaning the raw materials adhered to the inside, and then not only is it easy to cause blockage and accumulation during the later mixing, but also reduces the quality of the later mixing.

[0004] However, the above-mentioned mixing device only has the function of mixing materials, but does not have the function of controlling the amount of material discharged, so that the flow rate of the material cannot be adjusted as required. Utility Model Content

[0005] The utility model aims to provide a mixing device for a single-layer film blowing machine to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above technical purpose, the technical solution of the utility model is:

[0007] A mixing device for a single-layer film blowing machine comprises a bracket and a mixing barrel, wherein the mixing barrel is fixed on the bracket, a stirring mechanism is arranged inside the mixing barrel, a feeding mechanism is arranged on the top of the mixing barrel, a discharging barrel is rotatably arranged on the bottom of the mixing barrel, a discharging port is arranged on the bottom of the discharging barrel, a leakage plate is arranged on the top of the discharging barrel, a plurality of first leakage holes are arranged on the leakage plate, and a plurality of second leakage holes matching the first leakage holes are arranged on the bottom wall of the mixing barrel.

[0008] As an improvement, a rotating barrel is rotatably provided in the mixing barrel, and a plurality of discharge pipes are provided at the bottom of the rotating barrel, and ends of the plurality of discharge pipes away from the rotating barrel all extend toward the inner wall of the mixing barrel.

[0009] As a further improvement, the feeding mechanism includes a first feeding barrel and a second feeding barrel, the first feeding barrel and the second feeding barrel are both fixed on the bracket, a screw feeding mechanism is provided between the first feeding barrel and the second feeding barrel, the first feeding barrel is located at the input end of the screw feeding mechanism, the second feeding barrel is located at the output end of the screw feeding mechanism, the bottom of the second feeding barrel extends into the rotating barrel, and a feeding port is provided at the bottom of the second feeding barrel.

[0010] As a further improvement, the stirring mechanism includes a stirring shaft rotatably arranged inside the mixing barrel, the stirring shaft is provided with multiple groups of stirring blades, the multiple groups of stirring blades are all located below the rotating barrel, the stirring shaft passes through the rotating barrel and is fixedly connected to the rotating barrel.

[0011] As a further improvement, a first motor is fixedly provided on the bracket, and an output end of the first motor is fixedly connected to the top end of the stirring shaft.

[0012] As a further improvement, the feeding mechanism is provided with a plurality of groups, the bottoms of the plurality of second feeding barrels of the plurality of groups of the feeding mechanism are all located in the rotating barrel, and the top of the rotating barrel is open.

[0013] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] The mixing device for a single-layer film blowing machine provided by the utility model can adjust the relative positions of the first leakage hole and the second leakage hole by rotating the discharge barrel, thereby adjusting the amount of raw materials falling and the amount of raw materials entering the extruder. In addition, when the extruder is shut down for maintenance, the operation of the mixing device will not be affected, and when the extruder resumes operation, there is no need to wait for the mixing device to mix materials before entering the working state.

[0015] When the raw materials enter the rotating barrel, the rotating barrel rotates along with the stirring shaft. Under the action of centrifugal force, the raw materials in the rotating barrel are dispersed in the mixing barrel, and the raw materials are mixed more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of this embodiment;

[0017] Figure 2 Schematic diagram of the internal structure of the mixing barrel in this embodiment;

[0018] Figure 3 Schematic diagram of the structure of the feeding mechanism in this embodiment;

[0019] Figure 4 is an exploded view of the feeding barrel in this embodiment;

[0020] Among them: 1- bracket, 2- mixing barrel, 3- stirring mechanism, 4- feeding mechanism, 5- discharging barrel, 6- leakage plate, 7- first leakage hole, 8- second leakage hole, 9- stirring shaft, 10- stirring blade, 11- first motor, 12- rotating barrel, 13- discharging pipe, 14- first feeding barrel, 15- second feeding barrel, 16- screw conveying mechanism. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the specific implementation methods and the accompanying drawings. The accompanying drawings are only for illustrative purposes and are only schematic diagrams, not actual drawings, and should not be construed as limiting the present application. In order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged, or reduced, and do not represent the size of the actual product. It is understandable to those skilled in the art that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0022] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on the present application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0023] like Figure 1-4 As shown, a mixing device for a single-layer film blowing machine includes a bracket 1 and a mixing barrel 2, the mixing barrel 2 is fixed on the bracket 1, a stirring mechanism 3 is arranged inside the mixing barrel 2, a feeding mechanism 4 is arranged on the top of the mixing barrel 2, a discharging barrel 5 is rotatably arranged at the bottom of the mixing barrel 2, a discharging port is arranged at the bottom of the discharging barrel 5, a leakage plate 6 is arranged on the top of the discharging barrel 5, a plurality of first leakage holes 7 are penetrated on the leakage plate 6, a plurality of second leakage holes 8 matching with the first leakage holes 7 are penetrated on the bottom wall of the mixing barrel 2, and the discharge port is connected with an extruder.

[0024] The feeding mechanism 4 conveys the raw materials into the mixing barrel 2. After being evenly stirred by the stirring mechanism 3, the raw materials enter the discharge barrel 5 through the first leakage hole 7 and the second leakage hole 8, and then enter the extruder from the discharge port. By rotating the discharge barrel 5, the overlap size of the first leakage hole 7 and the second leakage hole 8 is changed, and the amount of raw materials in the mixing barrel 2 entering the discharge barrel 5 is adjusted. At the same time, when the extruder is undergoing equipment maintenance, the first leakage hole 7 and the second leakage hole 8 are adjusted to a state where they are completely non-overlapping, and the raw materials in the mixing barrel 2 will not fall into the discharge barrel 5. At the same time, it will not affect the mixing of the raw materials by the mixing barrel 2. When the extruder enters the working state, the discharge barrel 5 is directly rotated to adjust the positions of the first leakage hole 7 and the second leakage hole 8, so that the extruder immediately enters the working state without waiting for feeding.

[0025] Preferably, a handle is provided on the outer side wall of the discharge barrel 5 to facilitate the rotation of the discharge barrel 5 .

[0026] In this embodiment, the stirring mechanism 3 includes a stirring shaft 9 rotatably arranged inside the mixing barrel 2, and a plurality of stirring blades 10 are arranged on the stirring shaft 9. A first motor 11 is fixedly arranged on the bracket 1. The output end of the first motor 11 is fixedly connected to the top end of the stirring shaft 9. The first motor 11 drives the stirring shaft 9 to rotate to stir and mix the raw materials in the mixing barrel 2.

[0027] In this embodiment, a rotating barrel 12 is rotatably provided in the mixing barrel 2, and a plurality of discharge pipes 13 are provided at the bottom of the rotating barrel 12. The ends of the plurality of discharge pipes 13 away from the rotating barrel 12 all extend toward the inner wall of the mixing barrel 2. The stirring shaft 9 passes through the rotating barrel 12 and is fixedly connected to the rotating barrel 12. During the rotation of the stirring shaft 9, the rotating barrel 12 is driven to rotate.

[0028] In this embodiment, the feeding mechanism 4 includes a first feeding barrel 14 and a second feeding barrel 15, both of which are fixed on the bracket 1, and a screw feeding mechanism 4 is provided between the first feeding barrel 14 and the second feeding barrel 15, the first feeding barrel 14 is located at the input end of the screw feeding mechanism 4, and the second feeding barrel 15 is located at the output end of the screw feeding mechanism 4, and the bottom of the second feeding barrel 15 extends into the rotating barrel 12, and a feeding port is provided at the bottom of the second feeding barrel 15, the raw materials are poured into the first feeding barrel 14, and the raw materials are transported to the second feeding barrel 15 through the screw feeding mechanism 4, and then enter the rotating barrel 12 through the feeding port, when the rotating barrel 12 rotates, the raw materials entering the rotating barrel 12 are transported to various positions of the mixing barrel 2 through the discharge pipe 13 under the action of centrifugal force, which is beneficial to the subsequent stirring and mixing of the raw materials.

[0029] Preferably, the plurality of stirring blades 10 are all located below the rotating barrel 12. After the raw materials are centrifugally dropped through the rotating barrel 12, they are stirred, and the mixing effect is better.

[0030] In this embodiment, the screw conveying mechanism 16 includes a conveying pipe, in which a conveying screw is rotatably arranged, and a second motor is fixedly arranged on the second feeding barrel 15, and the output end of the second motor is fixedly connected to the conveying screw. The conveying pipe and the conveying screw are both inclined, and the input end of the conveying screw is located on the side and below the output end.

[0031] In this embodiment, the feeding mechanism 4 is provided with multiple groups, and the bottom of the second feeding barrel 15 of the multiple feeding mechanisms 4 passes through the top wall of the mixing barrel 2 and extends into the rotating barrel 12. The top of the rotating barrel 12 is open, and the outer wall of the rotating barrel 12 is rotatably connected to the inner wall of the mixing barrel 2. The multiple feeding mechanisms 4 can respectively transport a variety of different raw materials.

[0032] In this embodiment, one end of the multiple second feeding barrels 15 extending into the rotating barrel 12 is arranged close to the inner bottom wall of the rotating barrel 12 to prevent the raw materials in the second feeding barrels 15 from falling outward from the top opening of the rotating barrel 12 into the mixing barrel 2 during the rotation of the rotating barrel 12.

[0033] When in use, a variety of raw materials are respectively put into the first feeding barrel 14, and the multiple raw materials are respectively conveyed to the second feeding barrel 15 through multiple sets of screw conveying mechanisms 16. The raw materials enter the rotating barrel 12 from the second feeding barrel 15, and the first motor 11 drives the stirring shaft 9 to rotate, thereby driving the rotating barrel 12 to rotate. During the rotation of the rotating barrel 12, the raw materials in the rotating barrel 12 enter the mixing barrel 2 through multiple discharge pipes 13. The raw materials in the rotating barrel 12 are dispersed in the mixing barrel 2 under the action of centrifugal force. After entering the mixing barrel 2, they are further stirred and mixed under the action of the stirring shaft 9 and multiple sets of stirring blades 10, and then enter the discharge barrel 5 through the first leakage hole 7 and the second leakage hole 8, and finally enter the extruder from the discharge port of the discharge barrel 5.

[0034] The utility model can adjust the relative positions of the first leakage hole and the second leakage hole by rotating the discharge barrel, adjust the amount of raw materials falling, and adjust the amount of raw materials entering the extruder. In addition, when the extruder is shut down for maintenance, the operation of the mixing device will not be affected, and there is no need to wait when the extruder resumes work.

[0035] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A mixing device for a single-layer film blowing machine, comprising a bracket and a mixing barrel, wherein the mixing barrel is fixed on the bracket, characterized in that: A stirring mechanism is provided in the mixing barrel, a feeding mechanism is provided on the top of the mixing barrel, a discharging barrel is rotatably provided on the bottom of the mixing barrel, a discharging port is provided on the bottom of the discharging barrel, a leakage plate is provided on the top of the discharging barrel, a plurality of first leakage holes are provided on the leakage plate, and a plurality of second leakage holes matching the first leakage holes are provided on the bottom wall of the mixing barrel.

2. The mixing device for a single-layer film blowing machine according to claim 1, characterized in that: A rotating barrel is rotatably arranged in the mixing barrel, and a plurality of discharge pipes are arranged at the bottom of the rotating barrel. One end of the plurality of discharge pipes away from the rotating barrel extends toward the inner side wall of the mixing barrel.

3. The mixing device for a single-layer film blowing machine according to claim 2, characterized in that: The feeding mechanism includes a first feeding barrel and a second feeding barrel, the first feeding barrel and the second feeding barrel are both fixed on the bracket, a screw feeding mechanism is provided between the first feeding barrel and the second feeding barrel, the first feeding barrel is located at the input end of the screw feeding mechanism, the second feeding barrel is located at the output end of the screw feeding mechanism, the bottom of the second feeding barrel extends into the rotating barrel, and a feeding port is provided at the bottom of the second feeding barrel.

4. The mixing device for a single-layer film blowing machine according to claim 2, characterized in that: The stirring mechanism includes a stirring shaft rotatably arranged inside the mixing barrel, the stirring shaft is provided with a plurality of stirring blades, the plurality of stirring blades are all located below the rotating barrel, the stirring shaft passes through the rotating barrel and is fixedly connected to the rotating barrel.

5. The mixing device for a single-layer film blowing machine according to claim 4, characterized in that: A first motor is fixedly arranged on the bracket, and an output end of the first motor is fixedly connected to the top end of the stirring shaft.

6. The mixing device for a single-layer film blowing machine according to claim 3, characterized in that: The feeding mechanism is provided with a plurality of groups, and the bottoms of the plurality of second feeding barrels of the plurality of groups of the feeding mechanism are all located in the rotating barrel, and the top of the rotating barrel is open.

Images