Demoulding conveyor with adjustable width

Abstract

The utility model relates to a width-adjustable demolding conveyor which mainly comprises a rack, a driving shaft, a conveying mechanism, a demolding conveying mechanism, a distance adjusting mechanism and the like. The driving gear motor is arranged on the side portion of the rack and serves as a power source, the distance adjusting mechanism is located on the upper portion of the rack, and the conveying mechanism is arranged on the distance adjusting mechanism. The conveying mechanism comprises two sets of conveying units, the distance is adjusted through a centering connecting rod mechanism and a linear guide rail in the distance adjusting mechanism, and the packaging requirements of goods with different widths are met. The conveying mechanism adopts a special structural design, such as a guide flat key, a sliding sleeve and a conveying chain wheel, so that stable conveying is ensured. The demolding conveying unit achieves cooperative work through gear transmission, and a chain guide rail is made of engineering plastics to reduce conveying resistance. The adjusting and locking mechanism can accurately adjust and lock the position of the chain seat, the angle seat ensures that the winding film is separated along with goods, and the adjusting bottom feet are convenient to adapt to different sites. According to the conveyor, the packaging efficiency and quality are remarkably improved, the packaging cost is reduced, and universality and applicability are high.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery and equipment, in particular to a film stripping conveyor with adjustable width. Background Art

[0002] In today's packaging industry, driven by the rapid and booming development of the logistics sector, the requirements for packaging are increasing at an ever-increasing rate. Not only is there a strong demand to minimize damage to goods during complex processes such as transportation and transshipment, but there is also an expectation that packaging possesses comprehensive and superior functionality, such as excellent dust and moisture resistance, reliable moisture resistance, and efficient cleaning. These increasingly stringent and diverse requirements undoubtedly present unprecedented challenges to the packaging machinery industry.

[0003] In the current reality, in my country's packaging machinery industry, the conventional method of wrapping goods on all four sides is usually adopted. However, when it comes to goods that require end-face packaging, they generally tend to use film packaging, and in most cases, they often need to use two different packaging films at the same time.

[0004] Horizontal wrapping machines are essential packaging equipment for wrapping and laminating materials vertically. When handling large, heavy goods, they are typically carefully fed to the bottom of the wrapping machine using an automatic conveyor mechanism. However, existing wrapping machines have significant drawbacks. They lack width adjustment and are unable to accommodate goods of varying widths. Wider goods may not be able to enter the wrapping machine for packaging, while smaller goods are prone to misalignment during transport, potentially leading to packaging errors.

[0005] For example, in actual packaging operation scenarios, for some goods with special sizes, the stripping machine cannot flexibly adjust the width to adapt to their size, which often leads to poor packaging due to mismatch. This not only seriously affects the packaging efficiency, but also increases the cost expenditure in the packaging process, and also has a negative impact on the packaging quality. Utility Model Content

[0006] The purpose of the present invention is to provide a film stripping conveyor with adjustable width, in the hope of making up for the deficiencies of the prior art and solving all or part of the problems raised in the above-mentioned background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A film stripping conveyor with adjustable width comprises a frame, a driving reduction motor, a seat bearing, a driving shaft, a conveying mechanism, a film stripping conveying mechanism, and a spacing adjustment mechanism.

[0009] The driving reduction motor is arranged on the side of the frame as the power source of the conveyor. The spacing adjustment mechanism is arranged on the upper part of the frame, and the conveying mechanism is arranged on the upper part of the spacing adjustment mechanism. There are two groups of seat bearings, which are arranged on both sides of the top of the frame. The driving shaft is arranged in the seat bearings, and the driving shaft is movably connected to the rear part of the conveying mechanism. The film stripping conveying mechanism includes two groups of film stripping conveying units, which are respectively arranged on both sides of the conveying mechanism. The conveying mechanism and the front end of the film stripping conveying mechanism extend out of the frame.

[0010] The conveying mechanism includes two groups of conveying units.

[0011] The spacing adjustment mechanism includes a centering linkage mechanism and a linear guide rail. The linear guide rail is arranged parallel to the frame. The two groups of conveying units are vertically connected to the linear guide rail. The two ends of the centering linkage mechanism are respectively connected to the two groups of conveying units. The middle part of the centering linkage mechanism is fixed on the frame. By adjusting the spacing between the two groups of conveying units, it can adapt to the packaging needs of goods of different widths.

[0012] The centering linkage mechanism includes a hinge shaft, side links, an intermediate link, and an intermediate fixed seat. The two sets of side links are connected to both ends of the intermediate link through a hinge shaft. The ends of the two sets of side links are respectively connected to the bottom of the two sets of conveying units through hinge shafts. One side of the intermediate fixed seat is connected to the intermediate link, and the other side of the intermediate fixed seat is connected to the frame.

[0013] In an embodiment that optimizes the aforementioned solution, the conveying unit includes a conveyor chain, a chain seat, a conveyor sprocket seat, a guide key, a sleeve, and a conveyor sprocket. The guide key is disposed on a driving shaft, the sleeve is mounted on the driving shaft where the guide key is located, the conveyor sprocket is rotatably mounted on the sleeve, the rear portion of the chain seat is connected to the sleeve, the conveyor sprocket seat is disposed at the front portion of the chain seat, and the conveyor chain is looped between the conveyor sprocket and the conveyor sprocket seat. The chain seat and sleeve are fixed by bearings. When the distance between the chain seats is adjusted, the sleeve is driven to slide relative to the driving shaft, thereby changing the relative distance of the conveyor chain to accommodate the packaging and conveying requirements of goods of different widths.

[0014] Furthermore, there are three groups of conveying sprockets and conveying chains, and the conveying sprocket seats cooperate with the three groups of conveying sprockets and conveying chains. The above solution increases the width of the conveying chain, increases the contact area of the goods during transportation and packaging, and improves the transportation stability.

[0015] In an embodiment that optimizes the aforementioned solution, an adjusting screw and a flat key are further included. The flat key is disposed at the front of the chain seat, the conveyor sprocket seat is connected to the front end of the flat key, and the adjusting screw is connected to the rear end of the flat key. To tension the conveyor chain, a flat key is mounted on the head of the chain seat, on which the conveyor sprocket seat can slide relative to it. After adjustment, the adjusting screw is used to support the conveyor sprocket seat.

[0016] In an embodiment that can optimize the above-mentioned solution, it also includes a driving sprocket and a passive sprocket. The driving sprocket is arranged on the driving reduction motor, and the passive sprocket is arranged on the driving shaft. The driving sprocket and the passive sprocket are connected by a transmission chain.

[0017] In an embodiment that can optimize the above-mentioned scheme, the demoulding conveying unit includes a demoulding chain, a demoulding sprocket seat, a driving gear, a driven gear, a pin shaft, and a demoulding sprocket. The driving gear is fixed on the rotating shaft of the conveying sprocket seat, the pin shaft is rotatably fixed on the conveying sprocket seat, the driven gear is fixed on the inner end of the pin shaft, the demoulding sprocket is fixed on the outer end of the pin shaft, the demoulding sprocket seat is fixed on the outer side of the chain seat, and the demoulding chain is wrapped around the demoulding sprocket seat and the demoulding sprocket. Power is transmitted from the conveying sprocket to the demoulding chain through gears, and the rotation is reversed by the gears to ensure that the lower part of the demoulding chain and the upper part of the conveying chain are conveyed in the same direction, and the gear ratio of the driving gear and the driven gear is matched to ensure that the conveying line speed of the demoulding chain is consistent with the conveying line speed of the conveying chain.

[0018] Furthermore, the lower surface of the demolding and conveying unit is lower than the lower surface of the conveying unit.

[0019] One embodiment that optimizes the aforementioned solution further includes chain guides A and B. Chain guide A is positioned below the conveyor chain and fixed to the chain seat at the lower portion of the upper surface of the conveyor chain. Chain guide B is positioned below the demolding chain. Chain guide B is positioned at the lower portion of the upper surface of the demolding chain. Chain guides A and B are made of engineering plastic to reduce conveying resistance and provide chain guidance.

[0020] In an embodiment that optimizes the aforementioned solution, an adjustment locking mechanism is further included. The adjustment locking mechanism includes an adjustment angle seat, a handwheel, a clamping seat, an adjustment screw, a nut seat, and a nut. The nut seat is fixed to the bottom of the chain seat, the adjustment angle seat is fixed to the frame, the nut is fixed to the nut seat, the adjustment screw passes through the adjustment angle seat and the nut, the handwheel is fixed to the outer end of the adjustment screw, and the clamping seat is fixed to the adjustment screw, close to the position of the adjustment angle seat. When the handwheel is turned, the adjustment screw is driven to rotate, and the nut seat and nut fixed to the bottom surface of the chain seat then drive the chain seat to slide on two linear guides, and the other chain seat is also driven to slide relative to each other through the centering link mechanism. After adjustment is completed according to the width of the goods, the adjustment screw is clamped by the clamping seat to prevent it from vibrating during demolding and transportation or operator error.

[0021] In an embodiment that can optimize the above solution, it further includes an angle seat, which is arranged outside the chain seat. The angle seat bears the wrapping force of the stretch film, ensuring that the stretch film on the demoulding chain can be removed along with the goods.

[0022] Furthermore, the position of the demoulding sprocket seat can be adjusted forward and backward. The conveying sprocket and the demoulding sprocket are installed together on the conveying sprocket seat. When the conveying chain is tightened, the relative distance between the demoulding sprockets changes. By adjusting the position of the demoulding sprocket seat, the demoulding chain can be tightened.

[0023] In an embodiment that can optimize the above-mentioned solution, it also includes four adjustable feet installed at the bottom of the frame to adjust the height and level of the entire conveyor. Compared with the prior art, the beneficial effects of the present invention are:

[0024] The utility model provides an adjustable-width stripping conveyor. The spacing between conveying units can be flexibly adjusted through a spacing adjustment mechanism to accommodate the packaging needs of goods of varying widths. This solves the problem of existing stripping machines being unable to adjust width and accommodate goods of varying widths, significantly improving the versatility and applicability of the equipment. The conveying mechanism utilizes a unique structural design, such as the coordinated design of guide keys, sleeves, and conveyor sprockets. This allows the sleeves to slide relative to each other when the chain seat spacing is adjusted, changing the relative distance of the conveyor chains. This ensures stable conveying of goods of varying widths and enhances conveying flexibility and reliability. The configuration of three sets of conveyor sprockets and conveyor chains increases the width of the conveyor chain, increasing the contact area between the goods during conveying and packaging, effectively improving conveying stability and reducing shaking and deviation of the goods during transport. The design of the stripping conveyor unit utilizes a gear transmission to achieve coordinated operation between the stripping chain and the conveyor chain, ensuring that the lower portion of the stripping chain and the upper portion of the conveyor chain convey in the same direction. Furthermore, the gear ratio matching maintains a consistent conveyor line speed, ensuring a smooth and efficient packaging process. Chain guides A and B are made of engineering plastics, which reduces resistance during conveying, provides good guidance for the chain, and further improves the smoothness and accuracy of conveying. The adjustment and locking mechanism can accurately adjust the position of the chain seat according to the width of the goods and lock it after adjustment. This prevents the chain seat from changing position due to vibration or misoperation during the demoulding and conveying process, ensuring the stability and safety of the packaging work. The setting of the corner seat bears the wrapping force of the stretch film, ensuring that the stretch film can be removed along with the goods, improving the quality and effect of the packaging. The position of the demoulding sprocket seat can be adjusted forward and backward, and the tension of the demoulding chain can be adjusted accordingly when the conveyor chain is tightened, ensuring the normal operation of the demoulding chain. The installation of four adjustment feet facilitates the adjustment of the height and level of the entire conveyor to adapt to different work sites and work requirements, and improves the installation and use convenience of the equipment.

[0025] In summary, the adjustable width film stripping conveyor of the present invention can effectively improve packaging efficiency and quality and reduce packaging costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 This is a structural diagram of an adjustable width film stripping conveyor according to the utility model;

[0028] Figure 2 This is a front view of the adjustable width stripping conveyor described in the utility model;

[0029] Figure 3 This is a partial cross-sectional view of the adjustable width stripping conveyor described in the utility model;

[0030] Figure 4 This is a right side partial cross-sectional view of the adjustable width stripping conveyor described in the utility model;

[0031] Figure 5 This is a partial sectional view of the left side of the adjustable width film stripping conveyor described in the utility model.

[0032] Reference numerals

[0033] 1. Frame, 2. Adjustment foot, 3. Drive reduction motor, 4. Driving sprocket, 5. Passive sprocket, 6. Bearing seat, 7. Conveyor chain, 8. Chain seat, 9. Demolding chain, 10. Linear guide, 11. Demolding sprocket seat, 12. Adjustment screw, 13. Flat key, 14. Conveyor sprocket seat, 15. Driving shaft, 16. Guide flat key, 17. Sliding sleeve, 18. Conveyor sprocket, 19. Chain guide A, 20. Angle seat, 21. Chain guide B, 22. Passive shaft, 23. Driving gear, 24. Passive gear, 25. Pin, 26. Demolding sprocket, 27. Adjustment angle seat, 28. Handwheel, 29. Clamping seat, 30. Adjustment screw, 31. Nut seat, 32. Nut, 33. Hinge shaft, 34. Side connecting rod, 35. Middle connecting rod, 36. Middle fixed seat. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] It should be noted that similar reference numerals denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in the subsequent drawings.

[0036] 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 and simplify the description of the utility model 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 the utility model. Furthermore, the terms "first" and "second," etc., are used solely for distinction and should not be construed as indicating or implying relative importance.

[0037] 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.

[0038] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0039] See Figures 1 to 5 , this embodiment provides a film stripping conveyor with adjustable width.

[0040] An adjustable width film stripping conveyor is characterized by comprising a frame 1, a driving reduction motor 3, a seat bearing 6, a driving shaft 15, a conveying mechanism, a film stripping conveying mechanism, and a spacing adjustment mechanism;

[0041] The driving reduction motor 3 is arranged on the side of the frame 1, the spacing adjustment mechanism is arranged on the upper part of the frame 1, the conveying mechanism is arranged on the upper part of the spacing adjustment mechanism, the belt bearing 6 is two groups, which are arranged on both sides of the top of the frame 1, and the driving shaft 15 is arranged in the belt bearing 6. The driving shaft 15 is movably connected to the rear part of the conveying mechanism. The film stripping conveying mechanism includes two groups of film stripping conveying units, which are respectively arranged on both sides of the conveying mechanism. The conveying mechanism and the front end of the film stripping conveying mechanism extend out of the frame 1;

[0042] The conveying mechanism includes two groups of conveying units;

[0043] The spacing adjustment mechanism includes a centering link mechanism and a linear guide rail 10. The linear guide rail 10 is arranged parallel to the frame 1. The two sets of conveying units are vertically connected to the linear guide rail 10. The two ends of the centering link mechanism are respectively connected to the two sets of conveying units. The middle part of the centering link mechanism is fixed to the frame 1.

[0044] The centering linkage mechanism includes a hinge shaft 33, a side link 34, an intermediate link 35, and an intermediate fixed seat 36. The two sets of side links 34 are connected to both ends of the intermediate link 35 through the hinge shaft 33. The ends of the two sets of side links 34 are respectively connected to the bottom of the two sets of conveying units through the hinge shaft 33. One side of the intermediate fixed seat 36 is connected to the intermediate link 35, and the other side of the intermediate fixed seat 36 is connected to the frame 1.

[0045] The above scheme is further optimized. The conveying unit includes a conveying chain 7, a chain seat 8, a conveying sprocket seat 14, a guide flat key 16, a sliding sleeve 17, and a conveying sprocket 18. The guide flat key 16 is arranged on the driving shaft 15, the sliding sleeve 17 is sleeved on the driving shaft 15 where the guide flat key 16 is located, and the conveying sprocket 18 is rotatably sleeved on the sliding sleeve 17. The rear part of the chain seat 8 is connected to the sliding sleeve 17, and the conveying sprocket seat 14 is arranged at the front part of the chain seat 8. The conveying chain 7 is wrapped around the conveying sprocket 18 and the conveying sprocket seat 14.

[0046] An optional optimization method is that the conveying sprockets 18 and the conveying chains 7 are three groups, and the conveying sprocket seats 14 cooperate with the three groups of conveying sprockets 18 and conveying chains 7.

[0047] The above solution is further optimized to include an adjusting screw 12 and a flat key 13. The flat key 13 is arranged at the front of the chain seat 8, the conveying sprocket seat 14 is connected to the front end of the flat key 13, and the adjusting screw 12 is connected to the rear end of the flat key 13.

[0048] The above solution is further optimized to include a driving sprocket 4 and a driven sprocket 5. The driving sprocket 4 is arranged on the driving reduction motor 3, and the driven sprocket 5 is arranged on the driving shaft 15. The driving sprocket 4 and the driven sprocket 5 are connected by a transmission chain.

[0049] The above scheme is further optimized. The demolding conveying unit includes a demolding chain 9, a demolding sprocket seat 11, a driving gear 23, a passive gear 24, a pin 25, and a demolding sprocket 26. The driving gear 23 is fixed on the rotating shaft of the conveying sprocket seat 14, the pin 25 is rotatably fixed on the conveying sprocket seat 14, the passive gear 24 is fixed on the inner end of the pin 25, the demolding sprocket 26 is fixed on the outer end of the pin 25, the demolding sprocket seat 11 is fixed on the outside of the chain seat 8, and the demolding chain 9 is wrapped around the demolding sprocket seat 11 and the demolding sprocket 26.

[0050] In an optional optimization manner, the lower surface of the demolding and conveying unit is lower than the lower surface of the conveying unit.

[0051] The above solution is further optimized to include a chain guide rail A19 and a chain guide rail B21. The chain guide rail A19 is arranged below the conveying chain 7, and the chain guide rail B21 is arranged below the demoulding chain 9.

[0052] The above scheme is further optimized, and also includes an adjustment locking mechanism, which includes an adjustment angle seat 27, a handwheel 28, a clamping seat 29, an adjustment screw 30, a nut seat 31, and a nut 32. The nut seat 31 is fixed to the bottom of the chain seat 8, the adjustment angle seat 27 is fixed to the frame 1, the nut 32 is fixed to the nut seat 31, the adjustment screw 30 passes through the adjustment angle seat 27 and the nut 32, the handwheel 28 is fixed to the outer end of the adjustment screw 30, and the clamping seat 29 is fixed to the adjustment screw 30.

[0053] The above solution is further optimized to further include an angle seat 20 , which is arranged outside the chain seat 8 .

[0054] As an optional optimization method, the position of the demoulding sprocket seat 11 can be adjusted forward and backward.

[0055] The above solution is further optimized to include four adjusting feet 2 installed at the bottom of the frame 1 .

[0056] Working principle:

[0057] The driving reduction motor 3 serves as a power source, and drives the driving shaft 15 to rotate through the connection between the driving sprocket 4, the transmission chain and the passive sprocket 5. The guide flat key 16 and the sliding sleeve 17 on the driving shaft 15 cooperate to rotate the conveying sprocket 18, thereby driving the conveying chain 7 that is wrapped around the conveying sprocket 18 and the conveying sprocket seat 14 to move. When it is necessary to adjust the spacing of the conveying units to adapt to goods of different widths, the adjusting screw 30 is driven to rotate by turning the handwheel 28. The nut seat 31 and the nut 32 fixed on the bottom surface of the chain seat 8 then drive the chain seat 8 to slide on the linear guide 10, and the centering connecting rod mechanism drives the other chain seat 8 to slide relatively, thereby changing the relative distance of the conveying chain 7. After the adjustment is completed, the clamping seat 29 is used to clamp the adjusting screw 30 to prevent it from vibrating or misoperating during work. The driving gear 23 on the conveying sprocket seat 14 transmits power to the demoulding sprocket 26 at the outer end of the pin 25 through the driven gear 24, causing the demoulding chain 9 to move around between the demoulding sprocket seat 11 and the demoulding sprocket 26. Because the lower surface of the demoulding conveying unit is lower than the lower surface of the conveying unit, the chain guide A19 and the chain guide B21 provide guidance for the chain and reduce resistance. The angle seat 20 bears the wrapping force of the stretch film, ensuring that the stretch film on the demoulding chain 9 can move forward and out along with the goods. When the relative distance between the demoulding sprockets 26 changes due to tensioning the conveyor chain 7, the demoulding chain 9 can be tensioned by adjusting the position of the demoulding sprocket seat 11. Four adjustment feet 2 are installed at the bottom of the frame 1 to adjust the height and level of the entire conveyor to adapt to different work sites.

[0058] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A width-adjustable film stripping conveyor, characterized in that: It includes a frame (1), a driving reduction motor (3), a seat bearing (6), a driving shaft (15), a conveying mechanism, a film stripping and conveying mechanism, and a spacing adjustment mechanism; The driving reduction motor (3) is arranged on the side of the frame (1), the spacing adjustment mechanism is arranged on the upper part of the frame (1), the conveying mechanism is arranged on the upper part of the spacing adjustment mechanism, the seat bearings (6) are two groups, which are arranged on both sides of the top of the frame (1), the driving shaft (15) is arranged in the seat bearings (6), the driving shaft (15) is movably connected to the rear part of the conveying mechanism, the film stripping conveying mechanism includes two groups of film stripping conveying units, which are respectively arranged on both sides of the conveying mechanism, and the conveying mechanism and the front end of the film stripping conveying mechanism extend outside the frame (1); The conveying mechanism includes two groups of conveying units; The spacing adjustment mechanism includes a centering link mechanism and a linear guide rail (10), wherein the linear guide rail (10) is arranged parallel to the frame (1), and the two groups of conveying units are vertically connected to the linear guide rail (10), the two ends of the centering link mechanism are respectively connected to the two groups of conveying units, and the middle of the centering link mechanism is fixed to the frame (1); The centering link mechanism comprises a hinge shaft (33), a side link (34), an intermediate link (35), and an intermediate fixing seat (36); the two ends of the two groups of side links (34) and the intermediate link (35) are connected through the hinge shaft (33); the ends of the two groups of side links (34) are respectively connected to the bottoms of the two groups of conveying units through the hinge shaft (33); one side of the intermediate fixing seat (36) is connected to the intermediate link (35), and the other side of the intermediate fixing seat (36) is connected to the frame (1).

2. The adjustable width film stripping conveyor according to claim 1, characterized in that: The conveying unit comprises a conveying chain (7), a chain seat (8), a conveying sprocket seat (14), a guide flat key (16), a sliding sleeve (17), and a conveying sprocket (18). The guide flat key (16) is arranged on the driving shaft (15), the sliding sleeve (17) is sleeved on the driving shaft (15) where the guide flat key (16) is located, the conveying sprocket (18) is rotatably sleeved on the sliding sleeve (17), the rear part of the chain seat (8) is connected to the sliding sleeve (17), the conveying sprocket seat (14) is arranged at the front part of the chain seat (8), and the conveying chain (7) is wrapped around the conveying sprocket (18) and the conveying sprocket seat (14).

3. The adjustable width film stripping conveyor according to claim 2, characterized in that: The conveying sprockets (18) and conveying chains (7) are in three groups, and the conveying sprocket seats (14) cooperate with the three groups of conveying sprockets (18) and conveying chains (7).

4. The adjustable width film stripping conveyor according to claim 2, characterized in that: The utility model also comprises an adjusting screw (12) and a flat key (13), wherein the flat key (13) is arranged at the front of the chain seat (8), the conveying sprocket seat (14) is connected to the front end of the flat key (13), and the adjusting screw (12) is connected to the rear end of the flat key (13).

5. The adjustable width film stripping conveyor according to claim 1, characterized in that: The invention also comprises a driving sprocket (4) and a passive sprocket (5), wherein the driving sprocket (4) is arranged on the driving reduction motor (3), and the passive sprocket (5) is arranged on the driving shaft (15), and the driving sprocket (4) and the passive sprocket (5) are connected via a transmission chain.

6. The adjustable width film stripping conveyor according to claim 2, characterized in that: The demoulding conveying unit comprises a demoulding chain (9), a demoulding sprocket seat (11), a driving gear (23), a driven gear (24), a pin shaft (25), and a demoulding sprocket (26). The driving gear (23) is fixed on the rotating shaft of the conveying sprocket seat (14). The pin shaft (25) is rotatably fixed on the conveying sprocket seat (14). The driven gear (24) is fixed on the inner end of the pin shaft (25). The demoulding sprocket (26) is fixed on the outer end of the pin shaft (25). The demoulding sprocket seat (11) is fixed on the outer side of the chain seat (8). The demoulding chain (9) surrounds between the demoulding sprocket seat (11) and the demoulding sprocket (26).

7. The adjustable width film stripping conveyor according to claim 6, characterized in that: The lower surface of the film stripping and conveying unit is lower than the lower surface of the conveying unit.

8. The adjustable width film stripping conveyor according to claim 6, characterized in that: It also includes a chain guide rail A (19) and a chain guide rail B (21), wherein the chain guide rail A (19) is arranged below the conveying chain (7), and the chain guide rail B (21) is arranged below the demoulding chain (9).

9. The adjustable width film stripping conveyor according to claim 2, characterized in that: The invention also includes an adjustment locking mechanism, wherein the adjustment locking mechanism includes an adjustment angle seat (27), a hand wheel (28), a clamping seat (29), an adjustment screw (30), a nut seat (31), and a nut (32), wherein the nut seat (31) is fixed to the bottom of the chain seat (8), the adjustment angle seat (27) is fixed to the frame (1), the nut (32) is fixed to the nut seat (31), the adjustment screw (30) passes through the adjustment angle seat (27) and the nut (32), the hand wheel (28) is fixed to the outer end of the adjustment screw (30), and the clamping seat (29) is fixed to the adjustment screw (30).

10. The adjustable width film stripping conveyor according to claim 4, characterized in that: It also includes an angle seat (20), which is arranged outside the chain seat (8).

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