Film blowing device for biodegradable packaging material
By designing the scraping mechanism and agitation vibration mechanism in the film blowing device, the problem of single fixed plate barrier and pin hitting area during feeding is solved, and a more efficient feeding process and a wider vibration area are achieved, which significantly improves the use effect.
Patent Information
- Application Number
- CN202421343362.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing film blowing device reduces the feeding area due to the presence of a fixed plate when feeding, which improves the feeding difficulty and reduces the feeding efficiency. At the same time, the knocking area of the pin rod is single, which has little impact on the material inside the hopper away from the pin rod side and is not good in use.
A film blowing device including a scraping mechanism and a stirring and vibrating mechanism is designed. The scraping mechanism scrapes away the material attached to the inner wall of the hopper through a rotating plate and a scraper. The stirring and vibrating mechanism vibrating and stirring in the hopper through a lifting rod and a vibration plate to avoid material adhesion and clogging.
It effectively avoids blocking the opening of the hopper, improves the feeding efficiency and area, has a wider vibration area, and can speed up the drop speed of materials faster, avoids material blockage, and significantly improves the use effect.
Smart Images

Figure CN222858743U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film blowing machines, in particular to a film blowing device for biodegradable packaging materials. Background Art
[0002] The film blowing machine can heat plastic particles to melt them into liquid, and then blow the liquid plastic into a film. With the continuous development of science and technology, the types of particles that can be processed by film blowing machines are gradually increasing. Compared with difficult-to-degrade plastic particles, biodegradable materials are more environmentally friendly when used as raw materials for film blowing.
[0003] The utility model patent with patent authorization announcement number CN 217622072 U discloses a film blowing device for biodegradable packaging materials, including a machine platform, a film blower is installed on the upper surface of the machine platform, the upper end of the film blower is connected to a hopper, the arc surface of the hopper is provided with an adjustment structure, the adjustment structure includes a gear ring, the gear ring is fixedly connected to the arc surface of the hopper, the tooth surface of the gear ring is meshed with a gear, the upper end of the hopper is slidably connected to a slide rod, the upper end of the slide rod is fixedly connected to a fixed plate, the surface of the fixed plate is fixedly connected to a motor, the output end of the motor is fixedly connected to the gear, the lower surface of the fixed plate is fixedly connected to a fixed rod, one side of the fixed rod is fixedly connected to three stirring rods, and one end of the stirring rod is fixedly connected to a brush.
[0004] However, the above device still has some shortcomings in actual use. The most obvious one is that when biodegradable materials are added from the top opening of the hopper to the inside, the presence of the fixed plate will cause obstruction, thereby reducing the actual feeding area, increasing the difficulty of feeding and reducing the feeding efficiency. In addition, the knocking area of the top rod is single, and the impact on the material on the side of the hopper away from the top rod is small, and the actual use effect is not ideal.
[0005] Therefore, it is necessary to invent a film blowing device for biodegradable packaging material to solve the above problems. Utility Model Content
[0006] The utility model aims to provide a film blowing device for biodegradable packaging materials, by arranging a scraping mechanism at the top of the inner side of the hopper and providing a stirring and vibrating mechanism, so that during the rotation of the rotating plate, the two lifting rods rotate synchronously with the rotating shaft as the axis. At this time, due to the cooperation between the outer ring and the return spring and the restriction of multiple arc grooves at the bottom of the annular track, the lifting rods repeat the lifting operation, and during the lifting process of the lifting rods, the multiple vibration plates are driven to vibrate and stir the biodegradable material inside the hopper, so as to solve the problem proposed in the above background technology that when the biodegradable material is added from the top opening of the hopper to the inside, the existence of the fixed plate will cause obstruction, thereby resulting in a reduction in the actual feeding area, which increases the difficulty of feeding and reduces the feeding efficiency. In addition, the knocking area of the top rod is single, which has little effect on the material inside the hopper away from the side of the top rod, and the actual use effect is not ideal.
[0007] According to one aspect of the present disclosure, the following technical solution is provided: a film blowing device for biodegradable packaging material, comprising:
[0008] A workbench, wherein the workbench is used to install the film blowing machine;
[0009] A film blowing machine, which is fixedly arranged on the top of the workbench and is used to heat the biodegradable material and blow it into a film;
[0010] A hopper, the hopper being fixedly connected to an input end of the film blowing machine, and the hopper being used for storing biodegradable materials;
[0011] A scraping mechanism, the scraping mechanism is located inside the hopper and is used to scrape off the biodegradable materials attached to the inner wall of the hopper; and
[0012] A stirring and vibrating mechanism, the stirring and vibrating mechanism comprising an annular track, an arc-shaped groove, a lifting rod, an outer sleeve ring, a return spring and a vibrating plate;
[0013] The annular track is fixedly arranged at the bottom of the mounting frame, a plurality of arc-shaped grooves are arranged, and the plurality of arc-shaped grooves are evenly opened at the bottom of the annular track, the lifting rod slides through the rotating plate and its top end is slidably arranged on the inner side of the adjacent arc-shaped groove, the outer sleeve is fixedly sleeved on the outer side of the lifting rod, the return spring is sleeved on the outer side of the lifting rod and fixedly connected between the rotating plate and the outer sleeve, and a plurality of vibration plates are arranged, and the plurality of vibration plates are evenly fixedly sleeved on the outer side of the lifting rod.
[0014] According to the film blowing device for biodegradable packaging material of at least one embodiment of the present disclosure, the scraping mechanism includes a mounting frame, a rotating shaft, a driving motor, a rotating plate and a scraper.
[0015] According to the film blowing device for biodegradable packaging material of at least one embodiment of the present disclosure, the mounting frame is fixedly disposed on the top of the inner side of the hopper, and the driving motor is fixedly disposed on the top of the mounting frame.
[0016] According to the film blowing device for biodegradable packaging materials of at least one embodiment of the present disclosure, the rotating shaft passes through the mounting frame and is rotatably connected to the mounting frame via a bearing, and the rotating shaft is drivingly connected to the driving motor.
[0017] According to at least one embodiment of the film blowing device for biodegradable packaging materials disclosed herein, the rotating plate is fixedly sleeved on the outer top of the rotating shaft, and two scrapers are provided. The two scrapers are respectively fixedly disposed at the two ends of the bottom of the rotating plate and are both slidably fitted with the inner wall of the hopper.
[0018] Technical effects and advantages of the utility model:
[0019] The utility model arranges the scraping mechanism at the top of the inner side of the hopper and is provided with a stirring and vibrating mechanism, so that during the rotation of the rotating plate, the two lifting rods rotate synchronously with the rotating shaft as the axis. At this time, due to the cooperation between the outer ring and the return spring and the restriction of multiple arc grooves at the bottom of the annular track, the lifting rods repeat the lifting operation. During the lifting process of the lifting rods, the multiple vibration plates are driven to vibrate and stir the biodegradable material inside the hopper. Compared with the same type of device in the prior art, the utility model will not cause obstruction to the top opening of the hopper, thereby avoiding the difficulty of increasing the feeding. In addition, the vibration area is wider, which can better accelerate the falling speed of the material and avoid material blockage, and the actual use effect is more ideal. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.
[0021] Figure 1 It is a schematic diagram of the overall structure of a film blowing device for biodegradable packaging material according to one embodiment of the present disclosure.
[0022] Figure 2 It is a schematic structural diagram of a scraping mechanism of a film blowing device for biodegradable packaging material according to one embodiment of the present disclosure.
[0023] Figure 3 It is a schematic structural diagram of a stirring vibration mechanism of a film blowing device for biodegradable packaging material according to one embodiment of the present disclosure.
[0024] The specific reference numerals in the figure are:
[0025] 1. Workbench;
[0026] 2. Film blowing machine;
[0027] 3. Hopper;
[0028] 4. Scraping mechanism; 41. Mounting frame; 42. Rotating shaft; 43. Driving motor; 44. Rotating plate; 45. Scraping plate;
[0029] 5. stirring and vibrating mechanism; 51. annular track; 52. arc-shaped groove; 53. lifting rod; 54. outer sleeve ring; 55. reset spring; 56. vibrating plate. DETAILED DESCRIPTION
[0030] For descriptive purposes, the present disclosure may use spatially relative terms such as "under," "beneath," "under," "above," "on," "higher," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the accompanying drawings is turned over, components described as "under" or "beneath" other components or features would then be positioned "above" the other components or features. Thus, the exemplary term "under" can encompass both the "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein should be interpreted accordingly.
[0031] Figure 1 It is a schematic diagram of the overall structure of a film blowing device for biodegradable packaging material according to one embodiment of the present disclosure.
[0032] Figure 2 It is a structural schematic diagram of a scraper mechanism 4 of a film blowing device for biodegradable packaging material according to an embodiment of the present disclosure.
[0033] Figure 3 It is a schematic structural diagram of a stirring vibration mechanism 5 of a film blowing device for biodegradable packaging material according to one embodiment of the present disclosure.
[0034] like Figure 1-Figure 3 As shown, the film blowing device for the biodegradable packaging material disclosed in the present invention may include: a workbench 1, a film blowing device 2, a hopper 3, a scraping mechanism 4, a stirring and vibrating mechanism 5 and other components.
[0035] like Figure 2As shown, in the present disclosure, the scraper mechanism 4 includes a mounting frame 41, a rotating shaft 42, a driving motor 43, a rotating plate 44 and a scraper 45, wherein the mounting frame 41 is fixedly arranged on the inner top of the hopper 3, the driving motor 43 is fixedly arranged on the top of the mounting frame 41, the rotating shaft 42 passes through the mounting frame 41 and is rotatably connected to the mounting frame 41 through a bearing, the rotating shaft 42 is transmission-connected to the driving motor 43, the rotating plate 44 is fixedly sleeved on the outer top of the rotating shaft 42, and two scrapers 45 are provided, and the two scrapers 45 are respectively fixedly arranged at the two ends of the bottom of the rotating plate 44 and both slide in contact with the inner wall of the hopper 3.
[0036] Therefore, after the driving motor 43 is started, the rotating shaft 42 is driven to rotate continuously. When the rotating shaft 42 rotates, the two scrapers 45 are driven by the rotating plate 44 to continuously scrape the inner wall of the hopper 3, thereby stirring the material inside the hopper 3 while preventing the material from adhering to the inner wall of the hopper 3.
[0037] like Figure 3 As shown, in a preferred embodiment, the stirring and vibrating mechanism 5 includes an annular track 51, an arc-shaped groove 52, a lifting rod 53, an outer ring 54, a reset spring 55 and a vibration plate 56, wherein the annular track 51 is fixedly arranged at the bottom of the mounting frame 41, a plurality of the arc-shaped grooves 52 are provided, and a plurality of the arc-shaped grooves 52 are evenly opened at the bottom of the annular track 51, the lifting rod 53 slides through the rotating plate 44 and its top end is slidably arranged on the inner side of the adjacent arc-shaped groove 52, the outer ring 54 is fixedly sleeved on the outer side of the lifting rod 53, the reset spring 55 is sleeved on the outer side of the lifting rod 53 and fixedly connected between the rotating plate 44 and the outer ring 54, and a plurality of the vibration plates 56 are provided, and a plurality of the vibration plates 56 are evenly and fixedly sleeved on the outer side of the lifting rod 53.
[0038] Therefore, during the rotation of the rotating plate 44, the two lifting rods 53 rotate synchronously with the rotating shaft 42 as the axis. At this time, due to the cooperation between the outer ring 54 and the return spring 55 and the restriction of the multiple arc grooves 52 at the bottom of the annular track 51, the lifting rods 53 repeat the lifting operation. During the lifting process of the lifting rods 53, the multiple vibration plates 56 are driven to vibrate and stir the biodegradable material inside the hopper 3, thereby accelerating the unloading speed and avoiding blockage.
[0039] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments / methods or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments / methods or examples described in this specification and the features of different embodiments / methods or examples, unless they are contradictory.
[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0041] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present disclosure.
Claims
1. A film blowing device for biodegradable packaging material, characterized in that: include: A workbench, wherein the workbench is used to install the film blowing machine; A film blowing machine, which is fixedly arranged on the top of the workbench and is used to heat the biodegradable material and blow it into a film; A hopper, the hopper being fixedly connected to an input end of the film blowing machine, and the hopper being used for storing biodegradable materials; A scraping mechanism, the scraping mechanism is located inside the hopper and is used to scrape off the biodegradable materials attached to the inner wall of the hopper; and A stirring and vibrating mechanism, the stirring and vibrating mechanism comprising an annular track, an arc-shaped groove, a lifting rod, an outer sleeve ring, a return spring and a vibrating plate; The annular track is fixedly arranged at the bottom of the mounting frame, a plurality of arc-shaped grooves are arranged, and the plurality of arc-shaped grooves are evenly opened at the bottom of the annular track, the lifting rod slides through the rotating plate and its top end is slidably arranged on the inner side of the adjacent arc-shaped groove, the outer sleeve is fixedly sleeved on the outer side of the lifting rod, the return spring is sleeved on the outer side of the lifting rod and fixedly connected between the rotating plate and the outer sleeve, and a plurality of vibration plates are arranged, and the plurality of vibration plates are evenly fixedly sleeved on the outer side of the lifting rod.
2. The film blowing device for biodegradable packaging material according to claim 1, characterized in that: The scraping mechanism comprises a mounting frame, a rotating shaft, a driving motor, a rotating plate and a scraping plate.
3. The film blowing device for biodegradable packaging material according to claim 2, characterized in that: The mounting frame is fixedly arranged on the top of the inner side of the hopper, and the driving motor is fixedly arranged on the top of the mounting frame.
4. The film blowing device for biodegradable packaging material according to claim 3, characterized in that: The rotating shaft passes through the mounting frame and is rotationally connected to the mounting frame via a bearing. The rotating shaft is transmission-connected to the driving motor.
5. The film blowing device for biodegradable packaging material according to claim 4, characterized in that: The rotating plate is fixedly sleeved on the outer top of the rotating shaft, and two scrapers are provided. The two scrapers are respectively fixedly arranged at the two ends of the bottom of the rotating plate and are both slidably fitted with the inner wall of the hopper.