Bottle separating mechanism and film wrapping machine

Abstract

The application discloses a bottle separating mechanism and a film wrapping machine. The bottle separating mechanism comprises a mounting plate, a guide piece and a bottle separating assembly. The mounting plate is provided with a driving structure and an annular sliding groove. The guide piece is fixed to the mounting plate and surrounds the guide piece. The bottle separating assembly comprises a pawl cross rod, a pawl and a sliding support structure. A part of the sliding support structure is limitingly and slidably arranged in the annular sliding groove. Another part of the sliding support structure is slidably arranged on the guide piece. The driving structure is transmissionally connected to the pawl cross rod, so that the pawl cross rod can drive the pawl and the sliding support structure to make up-and-down overturning movement along the annular sliding groove. The annular sliding groove comprises an inclined part before the pawl is overturned upward and rises to the bottom of a bottle. After the pawl cross rod drives the pawl to be overturned upward, the pawl can be overturned to a vertical state through the sliding support structure and can continue to rise to the bottom of the bottle along the inclined part. Therefore, the possibility of toppling, jumping or falling of the bottle is eliminated, the bottle separating difficulty is reduced, and the operation stability and efficiency are improved.

Description

Technical Field

[0001] This invention belongs to the field of film wrapping machine technology, and particularly relates to a bottle separating mechanism and a film wrapping machine. Background Technology

[0002] The bottle-separating mechanism on a film wrapping machine divides the neatly arranged bottles in each conveyor into individual bottle groups to facilitate subsequent film wrapping and oven processes. As the most important mechanism on the film wrapping machine, the bottle-separating mechanism has a crucial impact on the machine's stability and speed; the difference between high-speed and low-speed machines often lies in the bottle-separating mechanism.

[0003] Currently, commonly used bottle-separating mechanisms operate by using a chain to drive a pawl holder. The pawl is fixed to the holder, and under the rotation of the chain, it gradually rotates and rises to become vertical, inserting itself into the gap between the bottles. However, when the pawl reaches the insertion position, it may tilt. This tilt not only increases the difficulty of inserting the pawl into the gap but also increases the likelihood of bottles tipping over or falling over.

[0004] Furthermore, during actual use, the drive structure of the bottle-splitting mechanism causes the pawl crossbar to perform a cyclical flipping motion from bottom to top and from top to bottom. Since the pawl needs to pause when splitting each pack, that is, when the bottle-splitting speed is 45 packs / minute, the pawl needs to pause 45 times per minute. This extremely high frequency of start and stop, coupled with the limited number of support points between the existing pawl crossbar and the drive structure, causes the pawl to experience severe shaking and swaying due to inertial impact when flipping upwards, resulting in bottle jumping. This significantly reduces the operational stability and efficiency of the bottle-splitting mechanism, affecting the acceptance of the entire line.

[0005] Based on the above, there is an urgent need for a bottle-separating mechanism and a film-wrapping machine to solve the technical problems existing in the prior art. Summary of the Invention

[0006] One objective of this invention is to provide a bottle-splitting mechanism that can solve the problems of bottle tipping, bottle tilting, and bottle jumping during bottle splitting by the chuck, thereby reducing the difficulty of bottle splitting and improving the operational stability and efficiency of the bottle-splitting mechanism.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] The bottle-splitting mechanism includes:

[0009] Mounting plate, wherein a driving structure is fixedly mounted on the mounting plate, and an annular groove is formed on the mounting plate;

[0010] A guide member is fixed to the mounting plate, and the annular groove surrounds the guide member;

[0011] The bottle-separating assembly includes a pawl crossbar, a pawl fixed to the pawl crossbar, and a sliding support structure. A portion of the sliding support structure is slidably disposed within the annular groove, and another portion of the sliding support structure is slidably disposed on the guide member. The drive structure is connected to the pawl crossbar so that the pawl crossbar can drive the pawl and the sliding support structure to rotate up and down along the annular groove. The annular groove includes an inclined portion before the pawl rotates upward and rises to the bottom of the bottle, so that after the pawl crossbar drives the pawl to rotate upward, the pawl can be rotated to a vertical state by the sliding support structure and can continue to rise along the inclined portion to the bottom of the bottle.

[0012] Optionally, the sliding support structure includes a first support leg and a second support leg, both fixedly connected to the end of the pawl crossbar. The first support leg is slidably disposed within the annular groove and is configured to have a first preset length. The second support leg is slidably disposed on the guide member and is configured to have a second preset length. A preset angle is formed between the first support leg and the second support leg.

[0013] Optionally, the guide member has an inclined guide plane that forms a preset angle with the horizontal plane. The inclined guide plane is arranged parallel to the inclined portion so that the second support leg can abut against and slide on the inclined guide plane.

[0014] Optionally, a first bearing assembly is rotatably mounted on the first support leg, and the first bearing assembly is slidably positioned within the annular groove.

[0015] Optionally, a second bearing assembly is rotatably mounted on the second support leg, and the second bearing assembly is slidably mounted on the guide member.

[0016] Optionally, the claw is made of polyoxymethylene plastic and integrally molded by mold casting, and the claw crossbar is made of aluminum alloy.

[0017] Optionally, the drive structure includes a first drive member, a drive shaft, and a first sprocket assembly. The first drive member is fixed on the mounting plate and is driven to the drive shaft. The drive shaft is driven to the first sprocket assembly, and the first sprocket assembly is driven to the pawl crossbar.

[0018] Optionally, the transmission shaft includes a first drive shaft and a second drive shaft spaced apart, wherein the first drive shaft is tractively connected to the first drive member;

[0019] The first sprocket assembly includes a first driving sprocket, a first driven sprocket, and a first chain. The first driving sprocket is limited and sleeved on the first drive shaft, the first driven sprocket is rotatably sleeved on the second drive shaft, and the first chain is sleeved on the first driving sprocket and the first driven sprocket, and is fixedly connected to at least one of the said pawl crossbars.

[0020] The drive structure further includes a second drive member and a second sprocket assembly. The second drive member is fixed on the mounting plate and is drive-connected to the second drive shaft. The second sprocket assembly includes a second drive sprocket, a second driven sprocket, and a second chain. The second drive sprocket is limited and sleeved on the second drive shaft. The second driven sprocket is rotatably sleeved on the first drive shaft. The second chain is sleeved on the second drive sprocket and the second driven sprocket and is fixedly connected to at least one of the pawl crossbars.

[0021] Optionally, it also includes a threaded connector, wherein both the first support leg and the second support leg are threadedly connected to the pawl crossbar via the threaded connector.

[0022] Optionally, the bottle-separating mechanism includes two mounting plates, which are respectively located at both ends of the pawl crossbar. Each mounting plate is fixed with the guide member, and both ends of the pawl crossbar are fixed with the sliding support structure.

[0023] Another objective of this invention is to provide a film wrapping machine that, by using the aforementioned bottle-separating mechanism, reduces the difficulty of bottle separation, improves operational stability and efficiency, and ensures the acceptance of the entire production line.

[0024] To achieve this objective, the present invention adopts the following technical solution:

[0025] The film wrapping machine includes a film winding mechanism and the aforementioned bottle separating mechanism. The film winding mechanism is located downstream of the bottle separating mechanism and can wrap the bottle groups separated by the bottle separating mechanism with a packing film.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] This invention provides a bottle-separating mechanism that increases the support points between the pawl crossbar and the mounting plate and guide members through a sliding support structure, thereby improving the support stability of the pawl crossbar during the flipping process. At higher bottle-separating speeds, this significantly reduces the shaking of the pawl during ascent and the swaying of the pawl when the crossbar starts and stops, allowing the pawl to rise smoothly and preventing it from rubbing against the bottle body or directly hitting the bottle edge, causing the bottle to jump or tip over. Furthermore, by setting up the sliding support structure, after the pawl crossbar drives the pawl to flip upwards, the pawl can directly flip to a vertical position and continue rising along the inclined section to the bottom of the bottle, thus smoothly inserting into the gap between the bottles. This completely eliminates the possibility of the pawl still tilting after flipping upwards and hitting the bottle, effectively reducing the difficulty of bottle separation, improving the operational stability and efficiency of the bottle-separating mechanism, and enabling it to adapt to high-speed bottle separation.

[0028] The present invention also provides a film wrapping machine, which includes a film winding mechanism and the aforementioned bottle separating mechanism. The film winding mechanism is located downstream of the bottle separating mechanism. By setting the bottle separating mechanism, the film wrapping machine can ensure that the claw can continue to rise stably in a vertical state after flipping during operation, and smoothly separate the bottles from each other. This greatly reduces the phenomenon of claw shaking and wobbling, avoids bottle tipping, bottle jumping, or bottle tipping, and improves the operating efficiency and stability of the entire line, thereby ensuring the acceptance of the entire line. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the bottle-separating mechanism provided in an embodiment of the present invention from a first-view perspective;

[0030] Figure 2 This is a schematic diagram of the bottle-separating mechanism provided in an embodiment of the present invention from a second perspective;

[0031] Figure 3 This is a schematic diagram of the bottle-separating assembly provided in an embodiment of the present invention;

[0032] Figure 4 This is a partial structural schematic diagram of the bottle-separating mechanism provided in an embodiment of the present invention;

[0033] Figure 5 This is a schematic diagram of the structure of the guide member provided in an embodiment of the present invention;

[0034] Figure 6 This is a top view of the bottle-separating mechanism provided in an embodiment of the present invention.

[0035] In the picture:

[0036] 1. Mounting plate; 11. Annular groove; 111. Inclined section;

[0037] 2. Guide components; 21. Inclined guide plane;

[0038] 3. Bottle separating assembly; 31. Paw crossbar; 311. Through hole; 32. Paw; 33. Sliding support structure; 331. First support leg; 332. Second support leg; 333. First bearing assembly; 334. Second bearing assembly;

[0039] 4. Drive structure; 41. First drive component; 421. First drive shaft; 422. Second drive shaft; 43. First sprocket assembly; 431. First driving sprocket; 432. First driven sprocket; 433. First chain; 44. Second drive component; 45. Second sprocket assembly; 451. Second driving sprocket; 452. Second driven sprocket; 453. Second chain. Detailed Implementation

[0040] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0041] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0042] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0043] The following is combined with Figures 1 to 6The present invention provides a bottle-separating mechanism and a film-wrapping machine incorporating it, with specific embodiments to illustrate the invention. The film-wrapping machine further includes a film-wrapping mechanism located downstream of the bottle-separating mechanism. The bottle-separating mechanism separates the incoming bottles into groups according to a certain quantity, and then continues to transport them to the film-wrapping mechanism. The film-wrapping mechanism wraps the cut packaging film around the bottle groups, forming 4×5, 3×3, or other packaged bottle groups. This bottle-separating mechanism is suitable for round and square bottles such as aluminum cans, glass bottles, and PET bottles; therefore, those skilled in the art can select the type of bottle to be packaged according to actual needs.

[0044] Specifically, in combination Figure 1 , Figure 2 As shown, the bottle-splitting mechanism includes a mounting plate 1, a guide member 2, and a bottle-splitting assembly 3. A drive structure 4 is fixedly mounted on the mounting plate 1, and an annular groove 11 is formed on the mounting plate 1. The guide member 2 is fixedly mounted on the mounting plate 1, and the annular groove 11 surrounds the guide member 2. The bottle-splitting assembly 3 includes a pawl crossbar 31, pawls 32 fixedly mounted on the pawl crossbar 31, and a sliding support structure 33. The number of pawls 32 is the same as the number of rows of bottles, so that each row of bottles can be evenly separated. A portion of the sliding support structure 33 is slidably positioned within the annular groove 11, and another portion is slidably positioned on the guide member 2. The drive structure 4 is connected to the pawl crossbar 31, so that the pawl crossbar 31 can drive the pawls 32 and the sliding support structure 33 to rotate up and down along the annular groove 11. The annular groove 11 includes an inclined portion 111 before the pawls 32 rotate upwards and rise to the bottom of the bottle.

[0045] The bottle-separating mechanism provided in this embodiment increases the connection stability and guidance between the pawl crossbar 31 and the mounting plate 1 through the sliding support structure 33 within the annular groove 11, and further increases the connection stability between the pawl crossbar 31 and the guide member 2 by the portion abutting against it, thus increasing the support points for the pawl crossbar 31 during its rotation. This significantly reduces vibration when the pawl 32 rises and oscillation when the pawl crossbar 31 starts and stops, allowing the pawl 32 to rise smoothly and preventing it from rubbing against the bottle body or directly hitting the bottle edge, causing the bottle to jump or tip over.

[0046] Furthermore, this bottle-separating mechanism, through a rationally designed sliding support structure 33, allows the pawl 32 to flip upwards after the pawl crossbar 31 drives it, directly flipping it to a vertical position and continuing to rise along the inclined section 111 to the bottom of the bottle. This allows it to smoothly insert into the gaps between bottles, completely eliminating the possibility of the pawl 32 remaining tilted after flipping upwards. This also allows for separating smaller square bottles. Therefore, the bottle-separating mechanism provided in this embodiment solves the problems of bottle tipping, bottle tilting, or bottle jumping during bottle separation by the pawl 32, reducing the difficulty of bottle separation, improving the operational stability and efficiency of the bottle-separating mechanism, and adapting to high-speed bottle separation, enabling a single-channel bottle separation speed of up to 60 packs / minute.

[0047] More specifically, in this embodiment, in order to simplify the construction of the sliding support structure 33, combined with Figure 3 , Figure 4 As shown, the sliding support structure 33 includes a first support leg 331 and a second support leg 332. Both the first support leg 331 and the second support leg 332 are fixedly connected to the end of the pawl crossbar 31. The first support leg 331 is slidably positioned within the annular groove 11 to improve the support stability between the pawl crossbar 31 and the mounting plate 1. The second support leg 332 abuts against and slides on the guide member 2 to improve the support stability between the pawl crossbar 31 and the guide member 2, thereby increasing the support points during the flipping process of the pawl crossbar 31. Furthermore, the first support leg 331 and the second support leg 332 are located at the same end of the pawl crossbar 31. The first support leg 331 has a first preset length, and the second support leg 332 has a second preset length. A preset angle exists between the first support leg 331 and the second support leg 332, ensuring that the pawl 32 remains vertical when flipped upwards and sliding on the inclined portion 111. The aforementioned sliding support structure 33 is simple in construction and highly operable. It also helps to reduce the weight of the entire pawl crossbar 31, reduce inertia, and thus prevent the pawl 32 from shaking or wobbling during start-stop.

[0048] To facilitate the assembly and disassembly of the sliding support structure 33 on the pawl crossbar 31, and to enable operators to perform debugging and maintenance while further reducing the overall weight of the pawl crossbar 31, the bottle-separating mechanism provided in this embodiment also includes threaded connectors (not shown in the figure). Multiple through holes 311 are provided on the pawl crossbar 31, a first threaded hole is provided on the first support leg 331, and a second threaded hole is provided on the second support leg 332. Part of the threaded connectors are threaded to the first threaded hole via the through holes 311, thus achieving a threaded connection between the first support leg 331 and the pawl crossbar 31. Another part of the threaded connectors are threaded to the second threaded hole via the remaining through holes 311, thus achieving a threaded connection between the second support leg 332 and the pawl crossbar 31. This ensures the robust connection between the sliding support structure 33 and the pawl crossbar 31.

[0049] Further, refer to Figure 3 As shown, a first bearing assembly 333 is rotatably mounted on the first support leg 331, and the first bearing assembly 333 is slidably positioned within the annular groove 11. The first bearing assembly 333 prevents direct friction between the first support leg 331 and the side wall of the annular groove 11, making the upward movement of the pawl 32 smoother and more stable, and also reducing the wear and tear and operating costs of the first support leg 331.

[0050] Further, continue to refer to Figure 3 As shown, a second bearing assembly 334 is rotatably mounted on the second support leg 332. The second bearing assembly 334 is slidably mounted on the guide member 2. Both the first bearing assembly 333 and the second bearing assembly 334 are conventional components, and will not be described in detail here. Therefore, the second bearing assembly 334 optimizes the sliding friction between the second support leg 332 and the guide member 2 into rolling friction, thereby further improving the stability of the pawl 32 when it flips and rises, preventing the pawl 32 from wobbling back and forth, and effectively increasing the service life of the second support leg 332.

[0051] Optionally, in this embodiment, there are two mounting plates 1, which are located at both ends of the pawl crossbar 31. Each mounting plate 1 is fixedly provided with a guide 2, and the two guides 2 are coaxially arranged. Both ends of the pawl crossbar 31 are fixedly provided with sliding support structures 33. The first support leg 331 in each sliding support structure 33 slides within the corresponding annular groove 11, and the second support leg 332 in each sliding support structure 33 slides on the corresponding guide 2. This allows the single pawl crossbar 31 to move smoothly along the set trajectory during the up-and-down flipping process, avoiding shaking and loss of control, and ensuring the stability and reliability of the bottle-splitting mechanism.

[0052] Because the pawl 32 will continue to rise along the inclined section 111, it will still frequently start and stop. If the second support leg 332 flips and separates from the guide member 2, causing the second support leg 332 to be suspended in the air, it will cause the pawl crossbar 31 to sway, which in turn will cause the pawl 32 to sway back and forth. To solve the above problem, refer to Figure 4 , Figure 5 As shown, in this embodiment, the guide member 2 also has an inclined guide plane 21 with a preset angle to the horizontal plane, and the inclined guide plane 21 is arranged parallel to the inclined part 111, so that the second support leg 332 can continue to fit against the guide member 2 after flipping upward, and the guide member 2 can continue to provide support for the pawl crossbar 31, thereby increasing the force track of the pawl crossbar 31, making the pawl 32 more smooth and stable during the upward process.

[0053] In existing bottle-separating mechanisms, the following factors contribute to uneven bottle separation: the weight of the pawl 32 and its holder is relatively heavy, resulting in significant inertia for the pawl crossbar 31 and pawl 32. During high-frequency start-stop operations, the impact and vibration generated by the pawl 32 are greater, thus hindering smooth bottle separation. Therefore, the pawl 32 provided in this embodiment is made of polyoxymethylene (POM) plastic, which is hard, wear-resistant, and has a low density. It can be manufactured using a mold casting process to produce a pawl 32 that meets the requirements. The pawl crossbar 31 is made of aluminum alloy, preferably 7075 high-strength aluminum alloy, replacing the traditional carbon steel material. This material offers higher strength and is easier to mold, thus significantly reducing the weight of the pawl 32 and crossbar 31 and minimizing the impact of inertia.

[0054] Specifically, refer to Figure 4 As shown, in this embodiment, the drive structure 4 includes a first drive component 41, a drive shaft, and a first sprocket assembly 43. The first drive component 41 is fixedly mounted on the mounting plate 1 and may be a servo motor. The first drive component 41 is driven by the drive shaft, the drive shaft is driven by the first sprocket assembly 43, and the first sprocket assembly 43 is driven by the pawl crossbar 31.

[0055] In operation, after the first driving component 41 is activated, it drives the transmission shaft to rotate. The transmission shaft then drives the first sprocket assembly 43 to start operating. The first sprocket assembly 43 can effectively transmit the power of the first driving component 41, allowing the pawl crossbar 31 to move along the annular groove 11 in real time. This improves the transmission efficiency of the first driving component 41 and ensures the normal operation of the entire bottle-separating mechanism. In addition, the entire drive structure 4 has a simple construction and an optimized structural layout, making the connection between the first driving component 41, the transmission shaft, and the first sprocket assembly 43 more compact and saving space.

[0056] Preferably, two sets of first sprocket assemblies 43 are spaced apart on the transmission group, and a set of first sprocket assemblies 43 is fixedly connected to both ends of the pawl crossbar 31, thereby effectively improving the stability of the pawl crossbar 31 during the process of moving along the annular slide groove 11 and flipping up and down.

[0057] More specifically, the aforementioned drive shaft includes a first drive shaft 421 and a second drive shaft 422 spaced apart. In this embodiment, the first drive shaft 421 is located at one end of the annular groove 11 and passes through the guide member 2, thereby helping to reduce the design length of the entire mounting plate 1 and reduce the area occupied by the bottle-separating mechanism. The first drive shaft 421 is connected to the first drive member 41, and the second drive shaft 422 is located at the other end of the annular groove 11.

[0058] The first sprocket assembly 43 includes a first driving sprocket 431, a first driven sprocket 432, and a first chain 433. The first driving sprocket 431 is limited and sleeved on the first drive shaft 421, the first driven sprocket 432 is rotatably sleeved on the second drive shaft 422, and the first chain 433 is sleeved on the first driving sprocket 431 and the first driven sprocket 432 and is fixedly connected to at least one pawl crossbar 31. In this embodiment, two pawl crossbars 31 are spaced apart on the first chain 433, and multiple pawls 32 are spaced apart on each pawl crossbar 31, thereby accelerating the bottle separation efficiency and stability and alleviating the bottle separation pressure of a single pawl crossbar 31.

[0059] In addition, the drive structure 4 provided in this embodiment also includes a second drive member 44 and a second sprocket assembly 45. The second drive member 44 is fixedly mounted on the mounting plate 1. The second drive member 44 can be a servo motor and is connected to the second drive shaft 422. The second sprocket assembly 45 includes a second drive sprocket 451, a second driven sprocket 452 and a second chain 453. The second drive sprocket 451 is limited and sleeved on the second drive shaft 422. The second driven sprocket 452 is rotatably sleeved on the first drive shaft 421. The second chain 453 is sleeved on the second drive sprocket 451 and the second driven sprocket 452 and is fixedly connected to at least one pawl crossbar 31. In this embodiment, two pawl crossbars 31 are also spaced apart on the second chain 453, and the number of pawls 32 on each pawl crossbar 31 is the same as the number of pawls 32 on the pawl crossbars 31 on the first chain 433.

[0060] When the aforementioned drive structure 4 is in use, the pawl bar 31 on the first chain 433 and the pawl bar 31 on the second chain 453 rise alternately and insert into the gap between the bottles, thereby further accelerating the bottle separation efficiency; and the pawl 32 on the first chain 433 can be easily adjusted to adjust the distance between itself and the pawl 32 on the second chain 453 according to the size of different bottle groups, so as to separate the bottle groups as needed, thereby achieving the purpose of separating bottles with different packaging quantities.

[0061] This embodiment also provides a film wrapping machine, which includes a film winding mechanism and the aforementioned bottle-splitting mechanism. The film winding mechanism is located downstream of the bottle-splitting mechanism and can wrap the bottle groups separated by the bottle-splitting mechanism with packaging film. By using the aforementioned bottle-splitting mechanism, the film wrapping machine can ensure that the claw 32 can remain vertically inserted into the gap between the bottles during the bottle-splitting process, achieving the purpose of bottle separation. It also avoids problems such as bottle tipping, bottle jumping, or bottle tilting, thereby improving the overall operational stability of the film wrapping machine and ensuring the operating efficiency and acceptance of the entire film wrapping machine line.

[0062] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A bottle-separating mechanism, characterized in that, include: Mounting plate (1), on which a driving structure (4) is fixed, and on which an annular groove (11) is opened; The guide member (2) is fixed on the mounting plate (1), and the annular groove (11) surrounds the guide member (2); The bottle-separating assembly (3) includes a pawl crossbar (31), a pawl (32) fixed on the pawl crossbar (31), and a sliding support structure (33). A portion of the sliding support structure (33) is slidably disposed within the annular groove (11), and another portion of the sliding support structure (33) is slidably disposed on the guide member (2). The driving structure (4) is connected to the pawl crossbar (31) so that the pawl crossbar (31) can drive the pawl (32). 32) and the sliding support structure (33) move up and down along the annular groove (11), and the annular groove (11) includes an inclined portion (111) before the pawl (32) flips upward and rises to the bottom of the bottle, so that after the pawl crossbar (31) drives the pawl (32) to flip upward, the pawl (32) can be flipped to a vertical state through the sliding support structure (33) and can continue to rise along the inclined portion (111) to the bottom of the bottle; The sliding support structure (33) includes a first support leg (331) and a second support leg (332) both fixedly connected to the end of the pawl crossbar (31). The first support leg (331) is slidably disposed in the annular groove (11) and is configured to have a first preset length. The second support leg (332) is slidably disposed on the guide member (2) and is configured to have a second preset length. The first support leg (331) and the second support leg (332) have a preset angle, so that when the pawl (32) flips up and slides in the inclined part (111), it can be in a vertical state. The guide member (2) has an inclined guide plane (21) at a preset angle to the horizontal plane. The inclined guide plane (21) is arranged parallel to the inclined part (111) so that the second support leg (332) can abut against and slide on the inclined guide plane (21).

2. The bottle-separating mechanism according to claim 1, characterized in that, A first bearing assembly (333) is rotatably mounted on the first support leg (331), and the first bearing assembly (333) is slidably positioned within the annular groove (11).

3. The bottle-separating mechanism according to claim 1, characterized in that, A second bearing assembly (334) is rotatably mounted on the second support leg (332), and the second bearing assembly (334) is slidably mounted on the guide member (2).

4. The bottle-separating mechanism according to claim 1, characterized in that, The claw (32) is made of polyoxymethylene plastic and is integrally formed by mold casting. The claw crossbar (31) is made of aluminum alloy.

5. The bottle-separating mechanism according to claim 1, characterized in that, The drive structure (4) includes a first drive member (41), a drive shaft and a first sprocket assembly (43). The first drive member (41) is fixed on the mounting plate (1) and is driven to the drive shaft. The drive shaft is driven to the first sprocket assembly (43), and the first sprocket assembly (43) is driven to the pawl crossbar (31).

6. The bottle-separating mechanism according to claim 5, characterized in that, The transmission shaft includes a first drive shaft (421) and a second drive shaft (422) spaced apart, wherein the first drive shaft (421) is connected to the first drive member (41). The first sprocket assembly (43) includes a first drive sprocket (431), a first driven sprocket (432), and a first chain (433). The first drive sprocket (431) is limited and sleeved on the first drive shaft (421). The first driven sprocket (432) is rotatably sleeved on the second drive shaft (422). The first chain (433) is sleeved on the first drive sprocket (431) and the first driven sprocket (432), and is fixedly connected to at least one of the said pawl crossbars (31). The drive structure (4) further includes a second drive member (44) and a second sprocket assembly (45). The second drive member (44) is fixed on the mounting plate (1) and is connected to the second drive shaft (422). The second sprocket assembly (45) includes a second drive sprocket (451), a second driven sprocket (452), and a second chain (453). The second drive sprocket (451) is limited and sleeved on the second drive shaft (422). The second driven sprocket (452) is rotatably sleeved on the first drive shaft (421). The second chain (453) is sleeved on the second drive sprocket (451) and the second driven sprocket (452) and is fixedly connected to at least one of the pawl crossbars (31).

7. The bottle-separating mechanism according to claim 1, characterized in that, It also includes threaded connectors, and the first support leg (331) and the second support leg (332) are both threadedly connected to the pawl crossbar (31) through the threaded connectors.

8. The bottle-separating mechanism according to claim 1, characterized in that, The bottle-splitting mechanism includes two mounting plates (1), which are located at both ends of the pawl crossbar (31). Each mounting plate (1) is fixed with the guide member (2), and both ends of the pawl crossbar (31) are fixed with the sliding support structure (33).

9. A film wrapping machine, characterized in that, It includes a film-wrapping mechanism and a bottle-separating mechanism as described in any one of claims 1-8, wherein the film-wrapping mechanism is located downstream of the bottle-separating mechanism and can wrap the bottle groups separated by the bottle-separating mechanism with a packaging film.

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