CN113060364A - Plastic bag sealing device for building and control method - Google Patents
Plastic bag sealing device for building and control method Download PDFInfo
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- CN113060364A CN113060364A CN202110285669.XA CN202110285669A CN113060364A CN 113060364 A CN113060364 A CN 113060364A CN 202110285669 A CN202110285669 A CN 202110285669A CN 113060364 A CN113060364 A CN 113060364A
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- sealing
- opening
- plastic bag
- blade
- rotating disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of building equipment, and discloses a plastic bag sealing device for a building and a control method. Wherein, plastic bag closing device for building includes: a rotating disc, the center of which is provided with a first opening; the fixed disc is arranged on the upper end face of the rotating disc and is coaxial with the rotating disc; the center of the fixed disc is provided with a second opening, and the second opening is aligned with the first opening; the rotating disc can rotate around the axis of the fixed disc; one end of the driving rod is fixedly connected with the rotating disc; at least two sealing blades which are rotationally symmetrical by taking the axis of the second opening as a center are arranged at the second opening and are complementary; the sealing blade is hinged with the fixed disk; the sealing blade is provided with a heating element; the other end of the driving rod is connected with the sealing blade; the driving of the sealing blades can enable the sealing blades to be folded and unfolded towards and away from the center of the rotating disk. This plastic bag closing device for building can improve the leakproofness of plastic bag, improves and seals efficiency.
Description
Technical Field
The invention relates to the technical field of building equipment, in particular to a sealing device for a plastic bag for a building and a control method.
Background
The plastic bag is an essential article in the production and life of people in modern society and is commonly used for containing articles. In the field of construction, plastic bags are also often used to contain construction materials.
For the sealing of plastic bags, which is a requirement, people generally adopt a manual binding method, which can lead to the sealing of the plastic bags being not tight, and particularly for some building materials, such as limestone, which need to be stored in a dry environment, if the sealing is not tight, the material in the bags can deteriorate. And manual tying is inefficient. In addition, the binding sealing method is inconvenient to operate when the plastic bag needs to be untied at a later stage.
Disclosure of Invention
The invention aims to provide a sealing device for a plastic bag for a building and a control method.
In order to achieve the above object, a first aspect of the present invention provides a sealing apparatus for a plastic bag for construction, comprising:
a rotating disc, the center of which is provided with a first opening;
the fixed disc is arranged on the upper end face of the rotating disc and is coaxial with the rotating disc; a second opening is formed in the center of the fixed disc, and the second opening is aligned with the first opening; the rotating disc can rotate around the axis of the fixed disc;
one end of the driving rod is fixedly connected with the rotating disc;
at least two sealing blades which are rotationally symmetrical by taking the axis of the second opening as a center are arranged at the second opening and are complementary; the sealing blade is hinged with the fixed disc; the sealing blades are provided with heating pieces; the other end of the driving rod is connected with the sealing blade; the sealing blades can be driven to close and open towards and away from the center of the rotating disc.
Through the technical scheme, the bag opening of the plastic bag is placed into the second opening, the rotating disc is driven to fold the sealing blades, and the heating piece is utilized to heat the bag opening of the plastic bag and bond the bag opening to seal the opening. Therefore, the sealing device for the plastic bags for the building can improve the sealing performance after the plastic bags are sealed, and can improve the sealing efficiency.
Further, the heating element is arranged at one end of the sealing blade facing the center of the second opening.
Furthermore, the driving rods are five, and the sealing blades are five; each driving rod corresponds to each sealing blade; the sealing blades form a disc-shaped structure in a closed state.
Further, the sealing blade includes a tip portion facing the center of the second opening, and the heat generating member is disposed at the tip portion.
Furthermore, the second opening extends downwards to form an annular edge, and the annular edge extends into the first opening and is attached to the inner wall of the first opening.
Further, a driving handle is arranged on the edge of the rotating disc.
Further, the edge of the sealing blade is provided with a switch button for opening and closing the heating member; the switch button faces to the edge of the adjacent sealing blade;
when the sealing blades are closed, the switch button is triggered; when the closing blade is unfolded, the switch button is released.
Furthermore, a fixing column is arranged on the circumferential edge of the fixing disc and connected to a fixed object so as to fix the fixing disc.
The invention provides a control method of a sealing device of a plastic bag for a building, which comprises the sealing device of the plastic bag for the building, and the control method of the sealing device of the plastic bag for the building comprises the following steps:
and placing the bag opening of the plastic bag into the second opening, driving the rotating disc to fold the sealing blades, and heating the bag opening of the plastic bag by using the heating member and bonding the bag opening.
Through the technical scheme, the bag opening of the plastic bag is placed into the second opening, the rotating disc is driven to fold the sealing blades, and the heating piece is utilized to heat the bag opening of the plastic bag and bond the bag opening to seal the opening. Therefore, the sealing device for the plastic bags for the building can improve the sealing performance after the plastic bags are sealed, and can improve the sealing efficiency.
Further, aiming at the materials of different types of plastic bags, the heating element is heated to the heat sealing temperature required by the target plastic bag during heat sealing.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the sealing apparatus for plastic bags for construction of the present invention;
FIG. 2 is a schematic structural view of one embodiment of a rotating disk;
FIG. 3 is a schematic structural view of one embodiment of a stationary platen;
FIG. 4 is a schematic structural view of one embodiment of a drive rod;
FIG. 5 is a schematic structural view of one embodiment of a closing blade;
FIG. 6 is a schematic view of the structure of FIG. 3 at another angle;
FIG. 7 is an exploded view of the assembled relationship of the rotating disk and the fixed disk;
FIG. 8 is a schematic structural view of another embodiment of a stationary disk;
FIG. 9 is a schematic view of the closure leaf in a closed state;
FIG. 10 is a schematic view of the structure of the closing blade in the deployed state;
FIG. 11 is a schematic structural view of one embodiment of a hinge structure;
FIG. 12 is a schematic structural view of another embodiment of a holding pan.
Description of the reference numerals
| 10 rotating disc | 11 first opening |
| 20 | 21 second opening |
| 30 | 40 |
| 41 | 22 annular edge |
| Lower limiting block of 24 | 51 |
Detailed Description
| The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation. |
| In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself. |
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention provides a sealing apparatus for a plastic bag for construction, as shown in fig. 1 to 5, comprising:
a rotating disk 10 having a first opening 11 formed at the center thereof;
a fixed disk 20 disposed on the upper end surface of the rotating disk 10 and coaxially disposed with the rotating disk 10; the center of the fixed disk 20 is provided with a second opening 21, and the second opening 21 is aligned with the first opening 11; the rotating disc 10 can rotate around the axis of the fixed disc 20;
a driving lever 30 having one end connected to the rotating disk 10;
at least two sealing blades 40 which are rotationally symmetrical with the axis of the second opening 21 as the center, wherein the sealing blades 40 are arranged at the second opening 21 and the sealing blades 40 are complementary. The sealing blades 40 are complementary to each other, which means that the sealing blades 40 are complementary in shape and can form a disc-shaped structure in a state that the sealing blades 40 are closed. The sealing blade 40 is hinged with the fixed disc 20; the sealing blade 40 is provided with a heating element 41; the other end of the driving rod 30 is connected with the sealing blade 40; driving the opening-closing blade 40 enables the opening-closing blade 40 to be folded and unfolded toward and away from the center of the rotating disk 10.
In an alternative embodiment, the connection point of the driving rod 30 to the rotary plate 10 is located near the edge of the rotary plate 10. In an alternative embodiment, as shown in fig. 4, the driving rod 30 is provided with mounting holes 31 at both ends. Both a hinged connection and a fixed connection can be realized through the mounting hole 31.
In an alternative embodiment, the driving rod 30 is connected to the rotating disk 10 in a fixed manner; the driving rod 30 and the sealing blade 40 are fixedly connected; the sealing blades 40 are connected with the fixed disc 20 in a hinged manner. Wherein the articulation can be achieved by the following specific articulation structure: as shown in fig. 11, the hinge structure includes an upper limiting block 51, a lower limiting block 52 and a connecting column 53, the upper limiting block 51 and the lower limiting block 52 are parallel to each other, one end of the connecting column 53 is fixedly connected to the upper limiting block 51, and the other end is fixedly connected to the lower limiting block 52. For the hinge joint of the sealing blade 40 and the fixed disk 20, the sealing blade 40 is sleeved on the connecting column 53 and can rotate relative to the connecting column 53, and the lower limiting block 52 is arranged on the upper end surface of the fixed disk 20.
In another alternative embodiment, as shown in fig. 12, an annular flange 23 is provided on the sidewall of the annular rim 22, and the annular flange 23 serves as a position-limiting and supporting function.
Through the technical scheme, the bag opening of the plastic bag is placed into the second opening 21, the rotating disc 10 is driven to fold the sealing blades 40, and the bag opening of the plastic bag is heated and bonded by the heating element 41 to seal (heat seal). Therefore, the sealing device for the plastic bags for the building can improve the sealing performance after the plastic bags are sealed, and can improve the sealing efficiency.
The heat generating member 41 is disposed at an end of the sealing blade 40 toward the center of the second opening 21. The closing blade 40 includes a tip portion facing the center of the second opening 21. The heating member 41 is provided at the tip portion. The heating element 41 is used for melting the plastic bag mouth, so that the plastic bag mouth is adhered together to realize the sealing of the bag mouth. The temperature of the heating element 41 should not be too high, otherwise, the problems of burning out of the plastic bag, breakage of the sealing part and liquefaction of the plastic material can occur. Of course, the temperature of the heat generating component 41 should not be too low, otherwise the sealing effect cannot be achieved or the sealing is not tight. For different types of plastic bags, the heating member 41 should be set at different temperatures, for example, the PE plastic packaging bag is suitable for heat sealing at a temperature of 150-160 ℃; the LDPE plastic packaging bag is heat-sealed at a proper temperature of 105-120 ℃; the proper temperature for heat sealing of the DPE plastic packaging bag is 120-135 ℃; the MDPE plastic packaging bag is suitable for being heated and sealed at the temperature of 120-135 ℃.
In a preferred embodiment, as shown in fig. 1, the driving rod 30 is provided in five strips, and the opening-closing blade 40 is provided in five pieces; each driving rod 30 corresponds to each sealing blade 40; the closing blade 40 forms a disk-like structure in the closed state. Further, the size of the second opening 21 is smaller than or equal to the size of the first opening 11. In an alternative specific embodiment, the first opening 11 and the second opening 21 are both circular openings, and the size of the second opening 21 smaller than or equal to the size of the first opening 11 is represented by: the diameter of the second opening 21 is smaller than or equal to the diameter of the first opening 11.
It has been explained hereinbefore that the rotating disk 10 and the fixed disk 20 are relatively rotatable. The specific implementation structure capable of rotating relatively is as follows: as shown in fig. 6 and 7, the second opening 21 extends downward to form an annular edge 22, and the annular edge 22 extends into the first opening 11 and is attached to the inner wall of the first opening 11. It should be noted that the annular edge 22 is attached to the inner wall of the first opening 11, but is not fixed, that is, a certain friction force exists between the annular edge 22 and the first opening 11, but the relative rotation between them is not affected. More specifically, when the annular rim 22 and the first opening 11 rotate relative to each other, the fixed disk 20 is stationary and the rotating disk 10 rotates. The direction of rotation of the rotating disc 10 is about its own axis. As shown in fig. 8, the fixing manner of the fixing plate 20 may be that fixing posts 24 are provided on a circumferential edge of the fixing plate 20, and the fixing posts 24 are connected to a fixing object to fix the fixing plate 20. The fixed object can be a wall, a base, a fixed frame and the like.
To facilitate driving of the rotary plate 10, a driving handle 12 is provided on the edge of the rotary plate 10, as shown in fig. 2. In an alternative embodiment, the driving handle 12 is a strip structure, and the driving handle 12 can be driven by a motor or a manual method.
Further, the edge of the opening sealing blade 40 is provided with a switch button for opening and closing the heat generating member 41; the switch button faces the edge of the closing blade 40 adjacent thereto. The purpose of the switch button is to save energy. In detail, referring to fig. 9, when the sealing blades 40 are gathered (folded) towards the second opening 21, the edges of two adjacent sealing blades 40 gradually approach, and when the sealing blades 40 further approach, the switch button is triggered, and at this time, the heating element 41 works (is powered on) to generate heat, so as to heat-seal the sealing position of the plastic bag. When the sealing blades 40 are unfolded (refer to fig. 10), the edges of the adjacent two sealing blades 40 are gradually far away, and when the sealing blades 40 are further far away, the switch button is released, and the heat generating member 41 does not work (is powered off). Thus, the energy-saving effect can be achieved.
A second aspect of the present invention provides a method for controlling a sealing apparatus for plastic bags for construction, the method for controlling the sealing apparatus for plastic bags for construction including the sealing apparatus for plastic bags for construction, the method for controlling the sealing apparatus for plastic bags for construction including:
and putting the mouth of the plastic bag into the second opening 21, driving the rotating disc 10 to close the sealing blades 40, and heating the mouth of the plastic bag by using the heating member 41 and bonding the mouth of the plastic bag.
Through the technical scheme, the bag opening of the plastic bag is placed into the second opening 21, the rotating disc 10 is driven to fold the sealing blades 40, and the bag opening of the plastic bag is heated and bonded through the heating piece 41, so that sealing is realized. Therefore, the sealing device for the plastic bags for the building can improve the sealing performance after the plastic bags are sealed, and can improve the sealing efficiency.
Further, the heat generating member 41 is heated to a heat sealing temperature required for a target plastic bag when heat sealing is performed for different types of materials of the plastic bags. For example, for PE plastic packaging bags, the temperature of the heating element 41 is raised to 150-160 ℃ during heat sealing; for an LDPE plastic packaging bag, the temperature of the heating element 41 is raised to 105-120 ℃ during heat sealing; for the DPE plastic packaging bag, the temperature of the heating element 41 is raised to 120-135 ℃ during heat sealing; aiming at the MDPE plastic packaging bag, the temperature of the heating element 41 is raised to 120-135 ℃ during heat sealing.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The utility model provides a plastic bag closing device for building which characterized in that, plastic bag closing device for building includes:
a rotating disc (10) provided with a first opening (11) at the center thereof;
the fixed disc (20) is arranged on the upper end face of the rotating disc (10) and is coaxial with the rotating disc (10); a second opening (21) is formed in the center of the fixed disc (20), and the second opening (21) is aligned with the first opening (11); the rotating disc (10) can rotate around the axis of the fixed disc (20);
a driving rod (30) with one end fixedly connected with the rotating disc (10);
at least two sealing blades (40) which are rotationally symmetrical with the axis of the second opening (21) as the center, wherein the sealing blades (40) are arranged at the second opening (21) and the sealing blades (40) are complementary; the sealing blade (40) is hinged with the fixed disc (20); the sealing blade (40) is provided with a heating piece (41); the other end of the driving rod (30) is connected with the sealing blade (40); the driving of the closing blades (40) can enable the closing blades (40) to be folded and unfolded towards and away from the center of the rotating disk (10).
2. The plastic bag sealer for construction according to claim 1, wherein said heat generating member (41) is provided at an end of said sealing blade (40) toward a center of said second opening (21).
3. The plastic bag closure apparatus for construction as claimed in claim 1, wherein the driving bar (30) is provided in five strips, and the closure blade (40) is provided in five pieces; each driving rod (30) corresponds to each sealing blade (40) respectively; the closing blade (40) forms a disk-shaped structure in the closed state.
4. The plastic bag sealer for construction according to claim 1, wherein said sealing blade (40) includes a tip portion facing the center of said second opening (21), said heat generating member (41) being provided at said tip portion.
5. The plastic bag closure apparatus for construction as claimed in claim 1, wherein the second opening (21) is extended downwardly with an annular rim (22), and the annular rim (22) is extended into the first opening (11) and attached to an inner wall of the first opening (11).
6. The plastic bag closure apparatus for construction as claimed in claim 1, wherein a driving handle (12) is provided on an edge of the rotary plate (10).
7. The plastic bag closure apparatus for construction as claimed in claim 1, wherein the edge of the closure blade (40) is provided with a switch button for opening and closing the heat generating member (41); the switch button faces the edge of the adjacent sealing blade (40);
when the sealing blade (40) is closed, the switch button is triggered; when the opening closure blade (40) is unfolded, the switch knob is released.
8. The plastic bag sealer for construction according to claim 1, wherein fixing posts (24) are provided on the circumferential edge of the fixing plate (20), the fixing posts (24) being connected to a fixture to fix the fixing plate (20).
9. A method for controlling a sealing apparatus for plastic bags for construction, comprising the sealing apparatus for plastic bags for construction of any one of claims 1 to 8, comprising:
and putting the bag mouth of the plastic bag into the second opening (21), driving the rotating disc (10) to fold the sealing blades (40), and heating the bag mouth of the plastic bag by using the heating member (41) and bonding the bag mouth.
10. The method of controlling an apparatus for sealing plastic bags for construction according to claim 9, wherein the heat generating member (41) is heated to a heat sealing temperature required for a target plastic bag at the time of heat sealing for different kinds of materials of the plastic bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110285669.XA CN113060364A (en) | 2021-03-17 | 2021-03-17 | Plastic bag sealing device for building and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110285669.XA CN113060364A (en) | 2021-03-17 | 2021-03-17 | Plastic bag sealing device for building and control method |
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| Publication Number | Publication Date |
|---|---|
| CN113060364A true CN113060364A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110285669.XA Pending CN113060364A (en) | 2021-03-17 | 2021-03-17 | Plastic bag sealing device for building and control method |
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| Country | Link |
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| CN (1) | CN113060364A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132575A (en) * | 2021-10-15 | 2022-03-04 | 项淮智能科技(长兴)有限公司 | Design method and system of package sealing mechanism |
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