Heat sealing device

Abstract

The present invention provides a heat sealing device, characterized in that it includes a bracket, a first transmission member, a second transmission member, and a driving member arranged on the bracket, a rotating cam, a swinging rod, a heating member and a pressing member; the rotating cam is connected to the driving member; the swinging rod includes a first swinging section and a second swinging section connected to each other; the first swinging section is pressed against the rotating cam so that the first swinging section and the second swinging section swing in opposite directions; the two ends of the first transmission member are respectively connected to the first swinging section and the heating member; the two ends of the second transmission member are respectively connected to the second swinging section and the pressing member, and the heating member and the pressing member are arranged correspondingly so that the swinging swinging rod drives the heating member and the pressing member to move in a direction relatively away from or close to each other. Through the embodiments provided in the present application, the heat sealing of the medicine bag is achieved by the relatively moving heating member and the pressing member, which improves the accuracy of the heat sealing and avoids deformation of the medicine bag.

Description

Technical Field

[0001] The present invention relates to the field of heat sealing technology, in particular to a heat sealing device. Background Art

[0002] To achieve the accurate packaging function of the intelligent drug packaging machine, the packaged drugs must be heat-sealed; however, in actual use, the heat generated by the heat sealing device will cause the drug bag to deform to a certain extent, making it impossible to achieve sealing. Summary of the Invention

[0003] In view of the shortcomings of the existing methods, the present application provides a heat sealing device to solve the technical problem in the prior art that the heat generated by the heat sealing device will cause a certain deformation of the medicine bag and fail to achieve sealing.

[0004] An embodiment of the present application provides a heat sealing device, including a bracket, a first transmission rod, a second transmission rod, and a driving member, a rotating cam, a swing rod, a heating member and a pressing member arranged on the bracket; the rotating cam is connected to the driving member; the swing rod includes a first swing section and a second swing section connected to each other; the first swing section is pressed against the rotating cam so that the first swing section and the second swing section swing in opposite directions; the two ends of the first transmission rod are respectively connected to the first swing section and the heating member; the two ends of the second transmission rod are respectively connected to the second swing section and the pressing member, and the heating member and the pressing member are correspondingly arranged, so that the swinging swing rod drives the heating member and the pressing member to move in a direction relatively away from or close to each other.

[0005] As an optional embodiment, the heat sealing device also includes a chain and a rotating shaft; the rotating cam is a plate-like structure, and a through hole opened along the thickness direction is provided on the rotating cam; the rotating shaft is passed through the rotating cam through the through hole, and a driven gear is provided at the end of the rotating shaft away from the rotating cam; the rotating shaft is rotatably connected to the bracket; a driving gear is provided at the output end of the driving member; the chain is connected to the driving gear and the driven gear, so that the rotating cam rotates.

[0006] As an optional implementation, the swing arm is provided with a connecting shaft which passes through the swing arm and divides the swing arm into the first swing section and the second swing section; wherein the connecting shaft is rotatably connected to the bracket.

[0007] As an optional embodiment, the first transmission rod includes: a first connecting rod, one end of which is connected to the first swing section; a second connecting rod, one end of which is rotatably connected to the other end of the first connecting rod; and the other end of the second connecting rod is connected to the heating element.

[0008] As an optional embodiment, the second transmission rod includes: a third connecting rod, one end of which is connected to the second swing section; a fourth connecting rod, one end of which is rotatably connected to the other end of the third connecting rod; and the other end of the fourth connecting rod is connected to the pressing part.

[0009] As an optional embodiment, the heating element includes: a heating part, which is provided with a protruding easy-tear line cutter head on the side of the heating part facing the pressing part; a heating part connecting rod, the end of the heating part connecting rod is connected to the side of the heating part away from the easy-tear line cutter head, and the end of the heating part connecting rod away from the heating part is connected to the second connecting rod.

[0010] As an optional embodiment, the heating part includes: an outer shell, the outer shell includes a first heating section and a second heating section, the first heating section and the second heating section are both provided with a accommodating cavity; the first heating section and the second heating section are vertically arranged; a first heating rod, the first heating rod is arranged in the accommodating cavity in the first heating section; a second heating rod, the second heating rod is arranged in the accommodating cavity in the second heating section; the easy-tear line cutter head is arranged on the side of the second heating section facing the pressing part, for forming an easy-tear line on the heat-sealed object.

[0011] As an optional embodiment, the pressing part includes: a pressing plate, a silicone layer is provided on the side of the pressing plate facing the heating element; a pressing plate connecting rod, the end of the pressing plate connecting rod is connected to the pressing plate, and the end of the pressing plate connecting rod away from the pressing plate is connected to the fourth connecting rod.

[0012] As an optional embodiment, the pressing plate includes: a first plate, the first plate is arranged corresponding to the heating element, and the silicone layer is arranged on the side of the first plate facing the heating element; a second plate, the second plate is arranged at a distance from the first plate, and an elastic member for buffering is arranged between the second plate and the first plate, and the end of the pressing plate connecting rod is connected to the side of the second plate facing the first plate.

[0013] As an optional embodiment, the heat sealing device further comprises: a traction mechanism, the traction mechanism corresponding to the heating element and the pressing element, and used for pulling the heat-sealed object to move.

[0014] The present application provides a heat sealing device. The technical solutions provided by the embodiments of the present application bring at least the following beneficial effects:

[0015] When the protruding portion of the rotating cam rotates in a direction approaching the first swinging section, it can push the first swinging section to move in a direction away from the rotating cam, thereby driving the heating element to move in a direction away from the rotating cam. When the first swinging section moves in a direction away from the rotating cam, the second swinging section moves in a direction approaching the rotating cam, thereby driving the pressing element to move in a direction approaching the rotating cam, thereby achieving the movement of the heating element and the pressing element in a direction relatively close to each other, thereby achieving heat sealing of the medicine bag. When the protruding portion of the rotating cam rotates in a direction away from the first swinging section, the first swinging section moves in a direction approaching the rotating cam. When the first swinging section moves in a direction approaching the rotating cam, the second swinging section moves in a direction away from the rotating cam, thereby achieving the movement of the heating element and the pressing element in a direction relatively far away from each other, thereby forming a space for the movement of the medicine bag to avoid movement of the medicine bag. Through the relative movement of the heating element and the pressing element, the medicine bag is heat-sealed, the accuracy of the heat seal is improved, and deformation of the medicine bag is avoided.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 A schematic structural diagram of a heat sealing device provided in an embodiment of the present application;

[0019] Figure 2 A schematic structural diagram of another heat sealing device provided in an embodiment of the present application;

[0020] Figure 3 This is a schematic structural diagram of another heat sealing device provided in an embodiment of the present application.

[0021] The accompanying drawings correspond to the following descriptions:

[0022] 1: bracket;

[0023] 2: first transmission member; 21: first connecting rod; 22: second connecting rod;

[0024] 3: second transmission member; 31: third connecting rod; 32: fourth connecting rod;

[0025] 4: driving parts;

[0026] 5: Rotate the cam;

[0027] 6: swing rod; 61: first swing section; 62: second swing section;

[0028] 7: heating element; 71: heating portion; 72: heating portion connecting rod;

[0029] 8: Pressing member; 81: Pressing plate; 811: First plate; 812: Second plate; 82: Pressing plate connecting rod;

[0030] 9: Rotation axis. DETAILED DESCRIPTION

[0031] The present application is described in detail below. Examples of embodiments of the present application are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. In addition, if the detailed description of the known technology is not necessary for the features of the present application shown, it will be omitted. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0032] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as generally understood by those skilled in the art to which this application belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0033] It will be understood by those skilled in the art that, unless otherwise stated, the singular forms "a", "an" and "the" used herein may also include the plural forms. It should be further understood that the term "comprising" used in the specification of this application refers to the presence of the features, elements and / or components, but does not exclude the presence or addition of one or more other features, elements, components and / or groups thereof. It should be understood that when we say that an element is "connected" to another element, it can be directly connected to the other element, or there may be intermediate elements. In addition, the "connection" used here may include wireless connection.

[0034] like Figure 1-3As shown, an embodiment of the present application provides a heat sealing device, which mainly includes a bracket 1, a first transmission member 2, a second transmission member 3, and a driving member 4, a rotating cam 5, a swing rod 6, a heating member 7 and a pressing member 8 arranged on the bracket 1; the rotating cam 5 is connected to the driving member 4; the swing rod 6 includes a first swing section 61 and a second swing section 62 connected to each other; the first swing section 61 is pressed against the rotating cam 5, so that the first swing section 61 and the second swing section 62 swing in opposite directions; the two ends of the first transmission member 2 are respectively connected to the first swing section 61 and the heating member 7; the two ends of the second transmission member 3 are respectively connected to the second swing section 62 and the pressing member 8, and the heating member 7 and the pressing member 8 are correspondingly arranged, so that the swinging swing rod 6 drives the heating member 7 and the pressing member 8 to move in a relatively away or close direction.

[0035] In some possible embodiments, the bracket 1 is arranged on a horizontal plane, the driving member 4 can be a driving motor, the driving member 4 is arranged at the lower part of the bracket 1, and the rotating cam 5 can be arranged above the driving member 4. The driving member 4 is used to drive the rotating cam 5 to rotate along a circumferential direction, for example, clockwise or counterclockwise. The first transmission member 2 is used to connect the first swing section 61 and the heating member 7, and enables the first swing section 61 to drive the heating member 7 to move; the second transmission member 3 is used to connect the second swing section 62 and the pressing member 8, and enables the second swing section 62 to drive the pressing member 8 to move. The heating member 7 and the pressing member 8 are arranged relative to each other, and a heat-sealed object is arranged between the heating member 7 and the pressing member 8. The heating member 7 and the pressing member 8 are relatively moved close to each other until they are in contact to achieve heat sealing of the heat-sealed object; the heating member 7 and the pressing member 8 are relatively moved away from each other, and are used to move the heat-sealed object after heat sealing, and move the heat-sealed object to be heat-sealed to between the heating member 7 and the pressing member 8.

[0036] Optionally, the heat-sealed object is a medicine bag.

[0037] With the heat sealing device provided by the present application, the protruding portion of the rotating cam 5 can push the first swinging segment 61 to move away from the rotating cam 5, thereby driving the heating element 7 to move away from the rotating cam 5. During the movement of the first swinging segment 61 away from the rotating cam 5, the second swinging segment 62 moves in the direction close to the rotating cam 5, thereby driving the pressing member 8 to move in the direction close to the rotating cam 5, thereby achieving the heat sealing of the medicine bag. When the protruding portion of the rotating cam 5 rotates in the direction away from the first swinging segment 61, the first swinging segment 61 moves in the direction close to the rotating cam 5. During the movement of the first swinging segment 61 in the direction close to the rotating cam 5, the second swinging segment 62 moves in the direction away from the rotating cam 5, thereby achieving the heat sealing of the medicine bag.

[0038] like Figure 1-3 As shown, as an optional embodiment, the heat sealing device also includes a chain and a rotating shaft 9; the rotating cam 5 is a plate-like structure, and a through hole is provided on the rotating cam 5 along the thickness direction; the rotating shaft 9 is passed through the rotating cam 5 through the through hole, and a driven gear is provided at the end of the rotating shaft 9 away from the rotating cam 5; the rotating shaft 9 is rotatably connected to the bracket 1; a driving gear is provided at the output end of the driving member 4; the chain is connected to the driving gear and the driven gear, so that the rotating cam 5 rotates.

[0039] Based on the aforementioned embodiments, some possible embodiments are provided. The rotating cam 5 is vertically arranged, and the main body of the rotating cam 5 is a circular plate-like structure. The sides of the rotating cam 5 are provided with outwardly protruding protrusions. A rotating shaft 9 is horizontally extended through the rotating cam 5 along the thickness direction of the rotating cam 5. A rotating shaft mounting hole is provided in the bracket 1, through which the rotating shaft 9 is passed to achieve a rotational connection with the bracket 1. A driven gear is provided at one end of the rotating shaft 9. The drive gear of the driving member 4 is connected to the driven gear via a chain, driving the rotating shaft 9 to rotate, thereby rotating the rotating cam 5.

[0040] like Figure 1-3 As shown, as an optional embodiment, a connecting shaft is provided on the swing rod 6 and passes through the swing rod 6, and the swing rod 6 is divided into a first swing section 61 and a second swing section 62; wherein the connecting shaft is rotatably connected to the bracket 1.

[0041] Based on the aforementioned embodiments, some possible embodiments are provided, in which the connecting shaft is arranged in the middle of the swing rod 6. If the swing rod 6 is arranged vertically, the upper part of the swing rod 6, that is, the part of the swing rod 6 above the connecting shaft is the first swing section 61, and the rest is the second swing section 62. The end of the first swing section 61 away from the second swing section 62 can be pressed on the rotating cam 5. The end of the first swing section 61 away from the second swing section 62 can be provided with a rotating wheel, which is used to contact the rotating cam 5 to reduce the friction between the two. The connecting shaft is arranged horizontally, and the rest of the aforementioned rotating shafts 9 are parallel. A connecting shaft mounting hole is opened on the bracket 1, and the connecting shaft is installed in the connecting shaft mounting hole to realize the rotational connection between the connecting shaft and the bracket 1.

[0042] like Figure 1-3 As shown, as an optional embodiment, the first transmission member 2 includes a first connecting rod 21 and a second connecting rod 22. One end of the first connecting rod 21 is connected to the first swing section 61; one end of the second connecting rod 22 is rotatably connected to the other end of the first connecting rod 21; and the other end of the second connecting rod 22 is connected to the heating element 7.

[0043] Based on the aforementioned embodiments, some possible embodiments are provided. A through-hole is formed at one end of the first connecting rod 21, through which a rotational mounting shaft passes and is mounted on the first swinging section 61, thereby achieving a rotational connection between the first connecting rod 21 and the first swinging section 61. A clamping structure is provided at the other end of the second connecting rod 22, and the heating element 7 is clamped at the other end of the second connecting rod 22. During the swinging of the first swinging section 61, the first connecting rod 21 and the second connecting rod 22 are arranged at an angle, and this angle changes with the swinging of the first swinging section 61, thereby transmitting the pulling force of the first swinging section 61 to the heating element 7, thereby moving the heating element 7.

[0044] like Figure 1-3 As shown, as an optional embodiment, the second transmission member 3 includes a third connecting rod 31 and a fourth connecting rod 32. One end of the third connecting rod 31 is connected to the second swing section 62; one end of the fourth connecting rod 32 is rotatably connected to the other end of the third connecting rod 31; and the other end of the fourth connecting rod 32 is connected to the pressing member 8.

[0045] Based on the aforementioned embodiment, some possible embodiments are provided. A through hole is formed at one end of the third connecting rod 31, through which a rotational mounting shaft passes and is mounted on the second swinging section 62, thereby achieving a rotational connection between the third connecting rod 31 and the second swinging section 62. A clamping structure is provided at the other end of the fourth connecting rod 32, and the heating element 7 is clamped to the other end of the fourth connecting rod 32. During the swinging of the second swinging section 62, the third connecting rod 31 and the fourth connecting rod 32 are arranged at an angle, and this angle changes with the swinging of the second swinging section 62, thereby transmitting the traction force of the second swinging section 62 to the pressing member 8, thereby moving the pressing member 8.

[0046] like Figure 1-3 As shown, as an optional embodiment, the heating element 7 includes a heating portion 71 and a heating portion connecting rod 72. The heating portion 71 has a tear-off cutter head protruding from the side facing the pressing member 8; the end of the heating portion connecting rod 72 is connected to the side of the heating portion 71 away from the tear-off cutter head, and the end of the heating portion connecting rod 72 away from the heating portion 71 is connected to the second connecting rod 22.

[0047] Based on the aforementioned embodiment, some possible embodiments are provided. Bracket 1 is provided with a heating unit connecting rod mounting hole, through which heating unit connecting rod 72 passes. This heating unit connecting rod mounting hole serves as a guide and limit hole, allowing heating unit 71 to move along a defined straight line. A tear line cutter head protrudes from heating unit 71, away from heating unit connecting rod 72, and is used to form a tear line between two medicine bags during heat sealing.

[0048] like Figure 1-3 As shown, as an optional embodiment, the heating unit 71 includes a housing, a first heating rod, and a second heating rod. The housing includes a first heating section and a second heating section, each of which is provided with a receiving cavity. The first and second heating sections are arranged vertically. The first heating rod is disposed within the receiving cavity within the first heating section; the second heating rod is disposed within the receiving cavity within the second heating section. A tear line cutter head is disposed on the side of the second heating section facing the pressing member 8, for forming a tear line on the heat-sealed object.

[0049] Based on the above embodiments, some possible embodiments are provided. The first heating section and the second heating section are perpendicular to each other to form an L-shaped structure. The first heating rod and the second heating rod are perpendicular to each other to form an L-shaped structure. The first heating rod and the second heating rod are both connected to a power source via a cable to provide heating. The first heating rod is used to heat seal the opening of the medicine bag, and the second heating rod is used to heat seal between the two medicine bags.

[0050] Optionally, the housing is a metal housing.

[0051] like Figure 1-3 As shown, as an optional embodiment, the pressing member 8 includes a pressing plate 81 and a pressing plate connecting rod 82. The pressing plate 81 is provided with a silicone layer on the side facing the heating element 7; the end of the pressing plate connecting rod 82 is connected to the pressing plate 81, and the end of the pressing plate connecting rod 82 away from the pressing plate 81 is connected to the fourth connecting rod 32.

[0052] Based on the aforementioned embodiment, some possible embodiments are provided. Bracket 1 is provided with a mounting hole for a pressing plate connecting rod, through which pressing plate connecting rod 82 passes. The mounting hole for pressing plate connecting rod 82 serves as a guide and limit hole, allowing pressing plate 81 to move along a defined linear direction. The heat-resistant silicone layer acts as a buffer layer, preventing wear on the thread-tearing cutter head caused by hard contact between heating element 7 and pressing element 8.

[0053] like Figure 1-3 As shown, as an optional embodiment, the pressing plate 81 includes a first plate 811 and a second plate 812. The first plate 811 is arranged corresponding to the heating element 7, and the silicone layer is arranged on the side of the first plate 811 facing the heating element 7; the second plate 812 is spaced apart from the first plate 811, and an elastic member for buffering is arranged between the second plate 812 and the first plate 811. The end of the pressing plate connecting rod 82 is connected to the side of the second plate 812 facing the first plate 811.

[0054] Based on the above embodiments, some possible embodiments are provided. A plurality of springs for buffering are evenly arranged between the second plate 812 and the first plate 811 to avoid damage caused by hard contact between the heating element 7 and the pressing element 8.

[0055] like Figure 1-3 As shown, as an optional embodiment, the heat sealing device further includes a traction mechanism, which corresponds to the heating element 7 and the pressing element 8 and is used to pull the heat-sealed object to move.

[0056] Based on the above embodiments, some possible embodiments are provided, in which a traction mechanism is provided on one side of the heating element 7 and the pressing element 8 to pull the medicine bag to move between the heating element 7 and the pressing element 8 .

[0057] In the description of this application, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this application.

[0058] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. Throughout this application, unless otherwise specified, "plurality" means two or more.

[0059] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0060] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0061] The above description is only part of the implementation methods of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A heat sealing device, characterized in that: It comprises a bracket (1), a first transmission member (2), a second transmission member (3), and a driving member (4), a rotating cam (5), a swinging rod (6), a heating member (7) and a pressing member (8) arranged on the bracket (1); The rotating cam (5) is connected to the driving member (4); The swing lever (6) comprises a first swing section (61) and a second swing section (62) connected to each other; the first swing section (61) is pressed against the rotating cam (5) so that the first swing section (61) and the second swing section (62) swing in opposite directions; The two ends of the first transmission member (2) are respectively connected to the first swing section (61) and the heating member (7); the two ends of the second transmission member (3) are respectively connected to the second swing section (62) and the pressing member (8); the heating member (7) and the pressing member (8) are arranged correspondingly, so that the swinging swing rod (6) drives the heating member (7) and the pressing member (8) to move in a direction of relatively moving away from or approaching each other; Wherein, the first transmission member (2) comprises a first connecting rod (21) and a second connecting rod (22); one end of the first connecting rod (21) is connected to the first swing section (61); one end of the second connecting rod (22) is rotatably connected to the other end of the first connecting rod (21); the other end of the second connecting rod (22) is connected to the heating member (7); The second transmission member (3) includes a third connecting rod (31) and a fourth connecting rod (32); one end of the third connecting rod (31) is connected to the second swing section (62); one end of the fourth connecting rod (32) is rotatably connected to the other end of the third connecting rod (31); the other end of the fourth connecting rod (32) is connected to the pressing member (8); The pressing member (8) comprises a pressing plate (81), and a silicone layer is provided on a side of the pressing plate (81) facing the heating member (7).

2. The heat sealing device according to claim 1, characterized in that Also includes a chain and a rotating shaft (9); The rotating cam (5) is a plate-shaped structure, and a through hole is provided on the rotating cam (5) along the thickness direction; The rotating shaft (9) is passed through the through hole and is provided in the rotating cam (5); a driven gear is provided at the end of the rotating shaft (9) away from the rotating cam (5); the rotating shaft (9) is rotatably connected to the bracket (1); The output end of the driving member (4) is provided with a driving gear; The chain is connected to the driving gear and the driven gear, so that the rotating cam (5) rotates.

3. The heat sealing device according to claim 1, characterized in that The swing rod (6) is provided with a connecting shaft that passes through the swing rod (6), and the swing rod (6) is divided into the first swing section (61) and the second swing section (62); Wherein, the connecting shaft is rotatably connected to the bracket (1).

4. The heat sealing device according to claim 1, characterized in that The heating element (7) comprises: A heating portion (71), wherein a protruding easy-tear thread cutter head is provided on a side of the heating portion (71) facing the pressing member (8); A heating part connecting rod (72), wherein an end of the heating part connecting rod (72) is connected to a side of the heating part (71) away from the easy-tear line cutter head, and an end of the heating part connecting rod (72) away from the heating part (71) is connected to the second connecting rod (22).

5. The heat sealing device according to claim 4, characterized in that: The heating part (71) includes: The housing includes a first heating section and a second heating section, wherein the first heating section and the second heating section are both provided with a receiving cavity; the first heating section and the second heating section are vertically arranged; a first heating rod disposed in a receiving cavity in the first heating section; a second heating rod disposed in a receiving cavity within the second heating section; The easy-tear line cutter head is arranged on the side of the second heating section facing the pressing member (8) and is used to form an easy-tear line on the heat-sealed object.

6. The heat sealing device according to claim 1, characterized in that The pressing member (8) further comprises: A pressing plate connecting rod (82), the end of which is connected to the pressing plate (81), and one end of the pressing plate connecting rod (82) away from the pressing plate (81) is connected to the fourth connecting rod (32).

7. The heat sealing device according to claim 6, characterized in that The pressing plate (81) comprises: a first plate (811), the first plate (811) being arranged corresponding to the heating element (7), the silica gel layer being arranged on a side of the first plate (811) facing the heating element (7); A second plate (812), the second plate (812) and the first plate (811) are spaced apart, an elastic member for buffering is provided between the second plate (812) and the first plate (811), and an end portion of the pressing plate connecting rod (82) is connected to a side of the second plate (812) facing the first plate (811).

8. The heat sealing device according to any one of claims 1 to 7, characterized in that: Also includes: A traction mechanism, the traction mechanism corresponds to the heating element (7) and the pressing element (8), and is used for pulling the heat-sealed object to move.

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