Double-sided inclined sealing device for film bag

Abstract

The utility model relates to the technical field of film bag production, and discloses a film bag double-face inclined sealing device which comprises an installation frame, a heat sealing mechanism and a film guiding mechanism. The two heat sealing mechanisms are oppositely connected to the mounting frame, and a heat sealing area is formed between the two heat sealing mechanisms. The two ends of the film guiding mechanism are connected to the mounting frame and located on the upstream of the heat sealing mechanism. According to the double-face inclined sealing device for the film bag, the problem that the heat sealing position is inaccurate due to the fact that the film belt deviates in the heat sealing process is solved, meanwhile, the problems that the film belt is heated unevenly and the heat sealing effect is poor due to the fact that heat sealing pressure borne by the two faces of the film belt is different are solved, and therefore the product yield is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film bag production, in particular to a double-sided oblique sealing device for a film bag. Background Art

[0002] With the rapid development of the packaging industry, heat-sealed packaging of plastic films is becoming increasingly common in the packaging industry. Among them, bagging machines are a type of packaging equipment. During the packaging operation, existing bagging machines need to perform welding operations when making film bags. Specifically, they first need to perform symmetrical hot-melt oblique sealing on both sides of the bag body, that is, the bag body is sealed with an outward eight-shaped seal, and then the bottom of the bag is sealed with a straight line, so that the bag body forms a square bottom that is more consistent with the carton body. However, this heat-sealing method will cause extra bevels on both sides of the bag bottom, affecting loading and unloading, and increasing the risk of bag bottom damage.

[0003] In the existing technology, double-sided heat sealing is usually adopted to solve the above-mentioned problems. However, since the heat sealing knife on the same side exerts different pressures on the film bag, it is easy to cause uneven heat sealing of the film bag and poor heat sealing effect, which in turn greatly increases the risk of damage to the film bag. In addition, the film bag is prone to displacement during the heat sealing process, which easily causes the heat sealing position to shift and increases the scrap rate of the film bag. Utility Model Content

[0004] In order to address the deficiencies of the prior art, the utility model provides a double-sided oblique sealing device for a film bag, which avoids the problem of inaccurate heat sealing position caused by the deviation of the film strip during heat sealing. It also avoids the problem of uneven heating of the film strip and poor heat sealing effect due to the different heat sealing pressures on both sides of the film strip, thereby improving the product yield.

[0005] The technical effects to be achieved by the present invention are achieved through the following technical solutions:

[0006] The utility model provides a double-sided oblique sealing device for a film bag, comprising:

[0007] Mounting rack;

[0008] a heat sealing mechanism, wherein the two heat sealing mechanisms are respectively connected to the mounting frame relative to each other, and a heat sealing area is formed between the two heat sealing mechanisms; and

[0009] a film guiding mechanism, both ends of which are respectively connected to the mounting frame and located upstream of the heat sealing mechanism;

[0010] In which, the heat sealing mechanism includes a first heat sealing component, a second heat sealing component, a heat sealing backing plate and a heat sealing drive component, the first heat sealing component and the second heat sealing component are respectively connected to the mounting frame, and the second heat sealing component is relatively arranged below the first heat sealing component, the heat sealing backing plate is arranged between the first heat sealing component and the second heat sealing component, and the heat sealing drive component drives the first heat sealing component and the second heat sealing component to approach or move away from the heat sealing backing plate at the same time.

[0011] In some implementations, the heat sealing drive assembly includes a heat sealing drive member and a first telescopic member and a second telescopic member respectively connected to both ends of the heat sealing drive member, the first telescopic member is connected to the first heat sealing assembly, and the second telescopic member is connected to the second heat sealing assembly.

[0012] In this implementation, the heat sealing driving member drives the first telescopic member and the second telescopic member to extend and retract simultaneously, thereby driving the first heat sealing component and the second heat sealing component to move closer to or away from the heat sealing pad at the same time.

[0013] In some implementations, the film guide mechanism includes a first film guide roller and a second film guide roller disposed below the first film guide roller, and a film passing space is formed between the first film guide roller and the second film guide roller.

[0014] In this implementation, the film strip is transferred to the heat-sealing area through the film passing space, and the first film guide roller and the second film guide roller ensure the stability of the film strip while improving the film strip transfer efficiency.

[0015] In some implementations, the two heat-sealing mechanisms are respectively connected to the mounting frame through the film-guiding mechanism, and a film bag compatible adjustment structure is provided at the connection between the heat-sealing mechanism and the film-guiding mechanism.

[0016] In some implementations, the two ends of the first film guide roller and the second film guide roller are respectively passed through the heat sealing mechanism and abut the mounting frame, and the film bag compatible adjustment structure includes a kit and an adjusting screw, the kit is connected to the heat sealing mechanism and is sleeved on the first film guide roller and / or the second film guide roller, and the adjusting screw is used to lock the kit.

[0017] In some implementations, both ends of the film guiding mechanism are respectively slidably connected to the mounting frame, and a fixing member is provided at the sliding connection between the film guiding mechanism and the mounting frame.

[0018] In some implementations, the first heat sealing assembly includes a first heat sealing connector and a first heat sealing knife, the first heat sealing connector is connected to the mounting frame, and the first heat sealing knife is connected to a side of the first heat sealing connector close to the heat sealing backing plate; and / or

[0019] The second heat sealing assembly includes a second heat sealing connector and a second heat sealing knife. The second heat sealing connector is connected to the mounting frame, and the second heat sealing knife is connected to a side of the second heat sealing connector close to the heat sealing pad.

[0020] In this implementation, the heat sealing drive assembly simultaneously drives the first heat sealing connector and the second heat sealing connector to move. The movement of the first heat sealing connector drives the movement of the first heat sealing knife, and the movement of the second heat sealing connector drives the movement of the second heat sealing knife, so that the first heat sealing knife and the second heat sealing knife are simultaneously close to or away from the heat sealing pad, thereby heat sealing the film strip and ensuring the reliability of the heat sealing of the film strip.

[0021] In some implementations, a first adjustment structure is further provided between the first heat sealing connector and the first heat sealing knife; and / or

[0022] A second adjustment structure is also provided between the second heat-sealing connector and the second heat-sealing knife.

[0023] In some implementations, the first adjustment structure includes a plurality of first adjustment bolts that are simultaneously passed through the first heat sealing connector and the first heat sealing knife; and / or

[0024] The second adjustment structure includes a plurality of second adjustment bolts that are simultaneously passed through the second heat sealing connector and the second heat sealing knife.

[0025] In some implementations, the first heat-sealing assembly and / or the second heat-sealing assembly is further provided with a temperature sensing structure, and the temperature sensing structure is connected to an external display.

[0026] In summary, the present invention has at least the following advantages:

[0027] The utility model provides a double-sided oblique sealing device for film bags, wherein a film guide mechanism is located upstream of a heat sealing mechanism, a heat sealing pad is provided between a first heat sealing assembly and a second heat sealing assembly of the heat sealing mechanism, a film strip is transmitted to a heat sealing area of ​​the heat sealing mechanism via the film guide mechanism, and a heat sealing drive assembly drives the first heat sealing assembly and the second heat sealing assembly to simultaneously approach the heat sealing pad to uniformly heat seal both sides of the film strip. In this way, while ensuring the transmission and heat sealing stability of the film strip, the same heat sealing pressure is applied to both sides of the film strip, thereby avoiding the problem of inaccurate heat sealing position caused by deviation of the film strip during heat sealing, and also avoiding the problem of uneven heating of the film strip and poor heat sealing effect due to different heat sealing pressures on both sides of the film strip, thereby improving product yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Schematic diagram of the structure of the double-sided oblique sealing device for film bags in Example 1;

[0029] Figure 2 for Figure 1 The structural schematic diagram of the heat sealing mechanism shown;

[0030] Figure 3 Schematic diagram of the structure of the double-sided oblique sealing device for film bags in Example 2;

[0031] Figure 4 for Figure 3 The schematic structural diagram of the membrane bag compatible regulating structure shown;

[0032] Figure 5 This is a schematic structural diagram of the double-sided oblique sealing device for the film bag of Example 3.

[0033] Markings in the figure:

[0034] 1. Mounting frame;

[0035] 2. Heat sealing mechanism; 21. Heat sealing zone; 22. First heat sealing assembly; 221. First heat sealing connector; 222. First heat sealing knife; 223. First adjustment structure; 23. Second heat sealing assembly; 231. Second heat sealing connector; 232. Second heat sealing knife; 233. Second adjustment structure; 24. Heat sealing pad; 25. Heat sealing drive assembly; 251. Heat sealing drive member; 252. First telescopic member; 253. Second telescopic member; 26. Temperature sensing structure;

[0036] 3. Film guide mechanism; 31. First film guide roller; 32. Second film guide roller; 33. Film passing space; 34. Fixing member;

[0037] 4. Membrane bag compatible adjustment structure; 41. Kit; 42. Adjustment screw. DETAILED DESCRIPTION

[0038] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0040] Example 1:

[0041] Please see the attached Figure 1 ~Attached Figure 2The double-sided oblique sealing device of the film bag of the present invention comprises a mounting frame 1, a heat sealing mechanism 2 and a film guiding mechanism 3.

[0042] Please combine Figure 1 and Figure 2 , Figure 1 The diagram shows the structural relationship between the mounting frame 1, the heat sealing mechanism 2 and the film guiding mechanism 3 in the embodiment of the present invention. Figure 2 The figure shows the specific structure of the heat sealing mechanism 2 in the embodiment of the present invention. Specifically, the two heat sealing mechanisms 2 are respectively connected to the mounting frame 1, and a heat sealing area 21 is formed between the two heat sealing mechanisms 2; the two ends of the film guiding mechanism 3 are respectively connected to the mounting frame 1 and are located upstream of the heat sealing mechanism 2. The heat sealing mechanism 2 includes a first heat sealing component 22, a second heat sealing component 23, a heat sealing pad 24 and a heat sealing drive component 25. The first heat sealing component 22 and the second heat sealing component 23 are respectively connected to the mounting frame 1, and the second heat sealing component 23 is relatively arranged below the first heat sealing component 22. The heat sealing pad 24 is arranged between the first heat sealing component 22 and the second heat sealing component 23. The heat sealing drive component 25 drives the first heat sealing component 22 and the second heat sealing component 23 to move towards or away from the heat sealing pad 24 at the same time.

[0043] In this embodiment, a heat-sealing zone 21 is formed between the two heat-sealing mechanisms 2 for transporting the film strip for heat sealing. A film-guiding mechanism 3 is located upstream of the heat-sealing mechanism 2 and is used to transport the film strip. This ensures that the film strip does not shift during transport and heat sealing, thereby ensuring the accuracy of the heat-sealing position of the film bag and improving the yield rate. A heat-sealing pad 24 is located between the first heat-sealing assembly 22 and the second heat-sealing assembly 23. A heat-sealing drive assembly 25 simultaneously drives the first and second heat-sealing assemblies 22, 23 toward or away from the heat-sealing pad 24, so that the first and second heat-sealing assemblies 22, 23 simultaneously heat-seal the film strip in the heat-sealing zone 21 on both sides. This ensures that the heat-sealing pressure on the upper and lower sides of the film strip is the same, thus avoiding the problem of uneven heat sealing of the film bag.

[0044] During heat sealing, the film strip is transported to the heat sealing area 21 via the film guiding mechanism 3. The heat sealing drive assemblies 25 of the heat sealing mechanism 2, located on either side of the heat sealing area 21, simultaneously drive the first and second heat sealing assemblies 22 and 23 toward the heat sealing pad 24 to heat-seal the film strip on both sides, forming a "splayed" seal. The film guiding mechanism 3 and the heat sealing mechanism 2 work together to ensure film strip transport and heat sealing stability while ensuring equal heat sealing pressure on both sides of the film strip.

[0045] It should be noted that the film strip is M-shaped, with one side having two folded edges. During heat sealing, the heat sealing pad 24 is located between the two folded edges, allowing the first heat sealing assembly 22 and the second heat sealing assembly 23 to heat seal both folded edges simultaneously. The heat sealing pad 24 prevents the two folded edges of the film strip from sticking together during the heat sealing process, which could lead to product defects, thereby ensuring the reliability of the heat sealing mechanism 2.

[0046] In the above-mentioned double-sided oblique sealing device for film bags, the film guide mechanism 3 is located upstream of the heat sealing mechanism 2. A heat sealing pad 24 is provided between the first heat sealing component 22 and the second heat sealing component 23 of the heat sealing mechanism 2. The film strip is transferred to the heat sealing area 21 of the heat sealing mechanism 2 via the film guide mechanism 3. The heat sealing drive component 25 drives the first heat sealing component 22 and the second heat sealing component 23 to simultaneously approach the heat sealing pad 24 to uniformly heat seal both sides of the film strip. In this way, while ensuring the stability of film strip transmission and heat sealing, the same heat sealing pressure is applied to both sides of the film strip, avoiding the problem of inaccurate heat sealing position caused by film strip deviation during heat sealing. It also avoids the problem of uneven heating of the film strip and poor heat sealing effect due to different heat sealing pressures on both sides of the film strip, thereby improving product yield.

[0047] In some preferred embodiments, the heat sealing drive assembly 25 includes a heat sealing drive member 251 and a first telescopic member 252 and a second telescopic member 253 respectively connected to both ends of the heat sealing drive member 251. The first telescopic member 252 is connected to the first heat sealing assembly 22, and the second telescopic member 253 is connected to the second heat sealing assembly 23. The heat sealing drive member 251 simultaneously drives the first telescopic member 252 and the second telescopic member 253 to extend and retract, thereby driving the first heat sealing assembly 22 and the second heat sealing assembly 23 to simultaneously move closer to or away from the heat sealing pad 24, thereby achieving simultaneous heating of the film strip, ensuring that the film strip is subjected to the same pressure and heat, thereby avoiding the problem of uneven heat sealing resulting in poor heat sealing effect of the film bag.

[0048] Example 2:

[0049] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the double-sided oblique sealing device of the film bag of the utility model. Figure 3 ~Attached Figure 4 .

[0050] Among them, see Figure 3 , Figure 3 The diagram illustrates the structural relationship between the first film guide roller 31 and the second film guide roller 32 in an embodiment of the present invention. Specifically, the film guide mechanism 3 includes the first film guide roller 31 and the second film guide roller 32 disposed below the first film guide roller 31, with a film passing space 33 formed between the first film guide roller 31 and the second film guide roller 32.

[0051] In this embodiment, the film strip is transmitted to the heat sealing area 21 through the film passing space 33. The first film guide roller 31 and the second film guide roller 32 improve the transmission efficiency of the film strip while ensuring the stability of the film strip, avoiding the position of the film strip from being offset, which in turn leads to the problem of inaccurate heat sealing position.

[0052] In some preferred embodiments, see Figure 4 , Figure 4 The diagram illustrates the structural relationship between the film bag compatibility adjustment structure 4, the heat sealing mechanism 2, and the film guiding mechanism 3 in an embodiment of the present invention. Specifically, the two heat sealing mechanisms 2 are connected to the mounting frame 1 via the film guiding mechanisms 3. The film bag compatibility adjustment structure 4 is located at the junction of the heat sealing mechanism 2 and the film guiding mechanism 3. The film strip compatibility adjustment structure is used to adjust the relative distance between the two heat sealing mechanisms 2, thereby enabling the heat sealing mechanisms 2 to be compatible with a wider range of film strips of different specifications and sizes, improving the compatibility of the device and making the overall structure more compact.

[0053] In some preferred embodiments, the ends of the first film guide roller 31 and the second film guide roller 32 are respectively inserted into the heat sealing mechanism 2 and abut the mounting frame 1. The film bag compatibility adjustment structure 4 includes a sleeve 41 and an adjustment screw 42. The sleeve 41 is connected to the heat sealing mechanism 2 and sleeved on the first film guide roller 31 and / or the second film guide roller 32. The adjustment screw 42 is used to lock the sleeve 41. The adjustment sleeve 41 is sleeved on the first film guide roller 31 and / or the second film guide roller 32 to adjust the relative distance between the two heat sealing mechanisms 2. The adjustment screw 42 is screwed onto the sleeve 41 to lock the sleeve 41 on the first film guide roller 31 and / or the second film guide roller 32, thereby ensuring the stability of the overall structure.

[0054] In some more preferred embodiments, both ends of the film guiding mechanism 3 are slidably connected to the mounting frame 1, and fixing members 34 are provided at the sliding connection between the film guiding mechanism 3 and the mounting frame 1. This allows the installation position of the film guiding mechanism 3 on the mounting frame 1 to be adjusted, thereby adjusting the position of the heat sealing mechanism 2 on the mounting frame 1. This further enables the heat sealing mechanism 2 to be compatible with heat sealing of film bags of different lengths. The fixing members 34 are simultaneously provided through the film guiding mechanism 3 and the mounting frame 1 to securely connect the film guiding mechanism 3 to the mounting frame 1, thereby improving the stability of the overall structure.

[0055] Furthermore, the mounting frame 1 is provided with a slide rail, and the film guide mechanism 3 is provided with a slider that slides with the slide rail. When the position of the film guide mechanism 3 on the mounting frame 1 is adjusted, a fixing member 34 is simultaneously passed through the slider and the slide rail to fix the slider to the slide rail, thereby achieving a stable installation between the film guide mechanism 3 and the mounting frame 1. Preferably, the fixing member 34 can be a bolt.

[0056] Example 3:

[0057] The difference between this embodiment and embodiment 2 is that this embodiment further optimizes the structure of the double-sided oblique sealing device of the film bag of the utility model. Figure 5 .

[0058] Among them, the first heat sealing component 22 includes a first heat sealing connector 221 and a first heat sealing knife 222, the first heat sealing connector 221 is connected to the mounting frame 1, and the first heat sealing knife 222 is connected to the side of the first heat sealing connector 221 close to the heat sealing pad 24; and / or the second heat sealing component 23 includes a second heat sealing connector 231 and a second heat sealing knife 232, the second heat sealing connector 231 is connected to the mounting frame 1, and the second heat sealing knife 232 is connected to the side of the second heat sealing connector 231 close to the heat sealing pad 24.

[0059] In this embodiment, the heat sealing drive assembly 25 simultaneously drives the first heat sealing connector 221 and the second heat sealing connector 231 to move. The movement of the first heat sealing connector 221 drives the first heat sealing knife 222 to move, and the movement of the second heat sealing connector 231 drives the second heat sealing knife 232 to move, so that the first heat sealing knife 222 and the second heat sealing knife 232 are simultaneously close to or away from the heat sealing pad 24, thereby heat sealing the film strip and ensuring the reliability of the heat sealing of the film strip.

[0060] In some preferred embodiments, a first adjustment structure 223 is further provided between the first heat-sealing connector 221 and the first heat-sealing knife 222; and / or a second adjustment structure 233 is further provided between the second heat-sealing connector 231 and the second heat-sealing knife 232. The first adjustment structure 223 is used to adjust the distance between the first heat-sealing connector 221 and the first heat-sealing knife 222, and the second adjustment structure 233 is used to adjust the distance between the second heat-sealing connector 231 and the second heat-sealing knife 232. This allows the heat-sealing mechanism 2 to be compatible with heat-sealing film strips of different thicknesses, while ensuring that the first heat-sealing knife 222 and the second heat-sealing knife 232 are parallel to each other, thereby avoiding the problem of poor heat-sealing effect due to uneven heat sealing.

[0061] In some preferred embodiments, the first adjustment structure 223 includes a plurality of first adjustment bolts simultaneously provided through the first heat-sealing connector 221 and the first heat-sealing blade 222; and / or the second adjustment structure 233 includes a plurality of second adjustment bolts simultaneously provided through the second heat-sealing connector 231 and the second heat-sealing blade 232. By adjusting the plurality of first adjustment bolts, the distance between the first heat-sealing connector 221 and the first heat-sealing blade 222 is adjusted so that the first heat-sealing blade 222 is parallel to the first heat-sealing connector 221; and by adjusting the plurality of second adjustment bolts, the distance between the second heat-sealing connector 231 and the second heat-sealing blade 232 is adjusted so that the second heat-sealing blade 232 is parallel to the second heat-sealing connector 231. The plurality of first adjustment bolts and / or the plurality of second adjustment bolts facilitate calibrating the balance of the first heat-sealing assembly 22 and / or the second heat-sealing assembly 23, thereby ensuring the reliability of the heat-sealing mechanism 2.

[0062] In some more preferred embodiments, the first heat-sealing assembly 22 and / or the second heat-sealing assembly 23 is further provided with a temperature sensing structure 26, which is connected to an external display. The temperature sensing structure 26 obtains the real-time temperature of the first heat-sealing assembly 22 and / or the second heat-sealing assembly 23 and transmits it to the external display, ensuring that the temperature of the first heat-sealing blade 222 and / or the second heat-sealing blade 232 is suitable for the heat-sealing film strip, thereby ensuring the reliability of the entire device.

[0063] In the double-sided oblique sealing device for film bags of the present invention, a film guide mechanism 3 is located upstream of a heat sealing mechanism 2, and a heat sealing pad 24 is provided between a first heat sealing assembly 22 and a second heat sealing assembly 23 of the heat sealing mechanism 2. The film strip is transferred to the heat sealing area 21 of the heat sealing mechanism 2 via the film guide mechanism 3, and a heat sealing drive assembly 25 drives the first heat sealing assembly 22 and the second heat sealing assembly 23 to simultaneously approach the heat sealing pad 24 to uniformly heat seal both sides of the film strip. In this way, while ensuring the stability of film strip transmission and heat sealing, the same heat sealing pressure is applied to both sides of the film strip, avoiding the problem of inaccurate heat sealing position caused by film strip deviation during heat sealing. It also avoids the problem of uneven heating of the film strip and poor heat sealing effect due to different heat sealing pressures on both sides of the film strip, thereby improving product yield.

[0064] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0065] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0066] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0067] In the present invention, unless otherwise expressly specified or limited, a first feature being above or below a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0068] Although the present invention has been described with reference to the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and variations based on the above content. Therefore, all such substitutions, modifications and variations are included within the spirit and scope of the appended claims.

Claims

1. A double-sided oblique sealing device for film bags, characterized in that: include: Mounting frame (1); Heat sealing mechanisms (2), wherein the two heat sealing mechanisms (2) are respectively connected to the mounting frame (1) relative to each other, and a heat sealing area (21) is formed between the two heat sealing mechanisms (2); and a film guiding mechanism (3), wherein both ends of the film guiding mechanism (3) are respectively connected to the mounting frame (1) and are located upstream of the heat sealing mechanism (2); The heat sealing mechanism (2) comprises a first heat sealing component (22), a second heat sealing component (23), a heat sealing pad (24) and a heat sealing drive component (25); the first heat sealing component (22) and the second heat sealing component (23) are respectively connected to the mounting frame (1); the second heat sealing component (23) is relatively arranged below the first heat sealing component (22); the heat sealing pad (24) is arranged between the first heat sealing component (22) and the second heat sealing component (23); and the heat sealing drive component (25) drives the first heat sealing component (22) and the second heat sealing component (23) to simultaneously approach or move away from the heat sealing pad (24).

2. The film bag double-sided oblique sealing device according to claim 1, characterized in that: The heat sealing drive assembly (25) comprises a heat sealing drive member (251) and a first telescopic member (252) and a second telescopic member (253) respectively connected to both ends of the heat sealing drive member (251), wherein the first telescopic member (252) is connected to the first heat sealing assembly (22), and the second telescopic member (253) is connected to the second heat sealing assembly (23).

3. The film bag double-sided oblique sealing device according to claim 1, characterized in that: The film guide mechanism (3) comprises a first film guide roller (31) and a second film guide roller (32) arranged below the first film guide roller (31), and a film passing space (33) is formed between the first film guide roller (31) and the second film guide roller (32).

4. The film bag double-sided oblique sealing device according to claim 3, characterized in that: The two heat sealing mechanisms (2) are respectively connected to the mounting frame (1) via the film guiding mechanism (3), and a film bag compatible adjustment structure (4) is provided at the connection between the heat sealing mechanism (2) and the film guiding mechanism (3).

5. The film bag double-sided oblique sealing device according to claim 4, characterized in that: The two ends of the first film guide roller (31) and the second film guide roller (32) are respectively passed through the heat sealing mechanism (2) and abut the mounting frame (1); the film bag compatible adjustment structure (4) includes a kit (41) and an adjusting screw (42); the kit (41) is connected to the heat sealing mechanism (2) and is sleeved on the first film guide roller (31) and / or the second film guide roller (32); the adjusting screw (42) is used to lock the kit (41).

6. The film bag double-sided oblique sealing device according to claim 4, characterized in that: Both ends of the film guiding mechanism (3) are respectively slidably connected to the mounting frame (1), and a fixing member (34) is provided at the sliding connection between the film guiding mechanism (3) and the mounting frame (1).

7. The film bag double-sided oblique sealing device according to claim 1, characterized in that: The first heat sealing assembly (22) comprises a first heat sealing connector (221) and a first heat sealing knife (222), wherein the first heat sealing connector (221) is connected to the mounting frame (1), and the first heat sealing knife (222) is connected to a side of the first heat sealing connector (221) close to the heat sealing pad (24); and / or The second heat sealing assembly (23) comprises a second heat sealing connector (231) and a second heat sealing knife (232), wherein the second heat sealing connector (231) is connected to the mounting frame (1), and the second heat sealing knife (232) is connected to a side of the second heat sealing connector (231) close to the heat sealing pad (24).

8. The film bag double-sided oblique sealing device according to claim 7, characterized in that: A first adjustment structure (223) is further provided between the first heat-sealing connector (221) and the first heat-sealing knife (222); and / or A second adjustment structure (233) is also provided between the second heat-sealing connector (231) and the second heat-sealing knife (232).

9. The film bag double-sided oblique sealing device according to claim 8, characterized in that: The first adjustment structure (223) comprises a plurality of first adjustment bolts that are simultaneously provided through the first heat sealing connector (221) and the first heat sealing knife (222); and / or The second adjustment structure (233) comprises a plurality of second adjustment bolts that are simultaneously passed through the second heat-sealing connector (231) and the second heat-sealing knife (232).

10. The film bag double-sided oblique sealing device according to claim 1, characterized in that: The first heat-sealing component (22) and / or the second heat-sealing component (23) is further provided with a temperature sensing structure (26), and the temperature sensing structure (26) is connected to an external display.

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