Stretching film waste recovery device for stretching film machine

Abstract

The utility model relates to the technical field of stretch film waste recovery, in particular to a stretch film waste recovery device for a stretch film machine. The device comprises a support, a winding device is arranged on the upper side of the support and comprises a winding roller, a fixing device is arranged in the winding roller and used for fixing the end of a stretching film to the winding roller, adjusting devices are arranged on the two sides of the fixing device and used for adjusting and fixing the position of the fixing device, and the fixing device comprises a clamping plate. A clamping plate is arranged on the outer side surface of the winding roller. According to the telescopic film fixing device, the end of a telescopic film penetrates through the lower side of the clamping plate, then the clamping plate is pressed, the two sliding blocks are clamped in the transverse groove of the L-shaped sliding groove to clamp and fix the connecting plate, the clamping plate extrudes the telescopic film in the clamping plate groove, and therefore the telescopic film is fixed to the winding roller; and the situation that the telescopic film cannot be normally wound along with rotation of the winding roller due to insufficient inertia and friction force, and even the telescopic film falls off is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to stretch film waste recovery technical field, concretely relates to a stretch film waste recovery device for stretch film machine. BACKGROUND

[0002] Stretch film is produced by using imported linear polyethylene LLDPE resin and special adhesion agent, and has the characteristics of high transparency, high longitudinal elongation, high yield point, high transverse tear strength and good puncture performance. The stretch film machine produces waste during operation. In order to avoid the accumulation of waste around the machine, the waste is usually rolled up and recycled. However, the surface of the winding roller is smooth, and the stretch film is easy to slide on the winding roller. During high-speed winding, the stretch film may not follow the rotation of the winding roller due to inertia and insufficient friction, resulting in normal winding, and even causing the stretch film to fall off. Once the stretch film falls off, the winding process will be interrupted, and the winding process needs to be restarted, which will reduce the working efficiency. In view of this, the stretch film waste recovery device for stretch film machine is provided. SUMMARY

[0003] The utility model aims at providing a stretch film waste recovery device for stretch film machine to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides a stretch film waste recovery device for stretch film machine, which comprises a support, a winding device is arranged on the upper side of the support, the winding device comprises a winding roller, a fixing device is arranged in the winding roller, the fixing device is used for fixing the end of the stretch film on the winding roller, adjusting devices are arranged on both sides of the fixing device, the adjusting devices are used for adjusting and fixing the position of the fixing device, the fixing device comprises a clamping plate, a clamping plate slot is formed in the outer surface of the winding roller, the clamping plate is movably arranged in the clamping plate slot, connecting plate slots are formed on both sides of the clamping plate slot, a connecting plate is slidably arranged in the connecting plate slot, the connecting plate is fixedly installed on the clamping plate, and a first spring located in the connecting plate slot is fixedly connected to the lower side of the connecting plate.

[0005] As a further improvement of the technical scheme, a limiting slot is formed on one side of the connecting plate slot, a limiting block is slidably arranged in the limiting slot, and the limiting block is fixedly installed on the connecting plate.

[0006] As a further improvement of the technical solution, the adjusting device comprises two sliding blocks, two L-shaped sliding grooves are formed on the side of the connecting plate away from the clamping plate, the two sliding blocks are respectively arranged in the two L-shaped sliding grooves, a driving groove is formed on the side of the connecting plate away from the clamping plate, two connecting rods are swingingly arranged in the driving groove, a hinge seat is slidably arranged in the driving groove, one end of the connecting rod is hingedly connected to the sliding block, the other end of the connecting rod is hingedly connected to the hinge seat, a groove penetrating through one side of the winding roller is formed on one side of the driving groove, a button is slidably arranged in the groove, one end of the button is fixed to the hinge seat, and a second spring is arranged on the outer side of the button.

[0007] As a further improvement of the technical solution, the L-shaped sliding groove is provided with a guide groove on the side close to the clamping plate, and a guide block is slidably arranged in the guide groove.

[0008] As a further improvement of the technical solution, the winding roller is provided with a fixed shaft fixedly connected to the middle of each end, a rotating groove is formed on the upper side of the support, and the fixed shaft is rotatably arranged in the rotating groove. One end of the fixed shaft is fixedly connected to a driven gear, the side of the support close to the driven gear is fixedly connected to a motor, the output shaft of the motor is fixedly connected to a driving gear, and the driven gear and the driving gear are in meshing engagement.

[0009] Compared with the prior art, the utility model has the advantages of:

[0010] In the stretching film waste recovery device of the stretching film machine, the end of the stretching film is pressed through the lower side of the clamping plate, and then the clamping plate is pressed, and the two sliding blocks are clamped in the horizontal groove of the L-shaped sliding groove to fix the connecting plate, so that the clamping plate can extrude the stretching film in the clamping plate groove, so that the stretching film can be fixed on the winding roller, and the stretching film can be normally wound by following the rotation of the winding roller due to the inertia and insufficient friction, and even the stretching film can be prevented from falling off. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the sectional structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the sectional structure of the winding roller of the utility model;

[0014] Figure 4 It is a schematic diagram of the structure of the fixing device of the utility model;

[0015] Figure 5 It is a schematic diagram of the structure of the adjusting device of the utility model.

[0016] The meanings of the various reference numerals in the Figures are as follows:

[0017] 1, support; 2, winding device; 21, winding roller; 22, fixed shaft; 23, driven gear; 24, driving gear; 25, motor; 26, clamping plate slot; 27, connecting plate slot; 28, limiting slot; 29, driving slot; 211, groove; 3, fixing device; 31, clamping plate; 32, connecting plate; 33, first spring; 34, limiting block; 35, L-shaped sliding groove; 36, guide slot; 4, adjusting device; 41, sliding block; 42, connecting rod; 43, hinged seat; 44, button; 45, second spring; 46, guide block; 5, rotating slot. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0020] Example 1

[0021] Please refer to Figures 1-5As shown, the embodiment provides a stretch film waste recovery device for a stretch film machine, which comprises a support 1, a winding device 2 is arranged on the upper side of the support 1, the winding device 2 comprises a winding roller 21, the middle of both ends of the winding roller 21 is fixedly connected with a fixed shaft 22, a rotating groove 5 is opened on the upper side of the support 1, the fixed shaft 22 is rotatably arranged in the rotating groove 5, the end of one of the fixed shafts 22 is fixedly connected with a driven gear 23, the side of the support 1 close to the driven gear 23 is fixedly connected with a motor 25, the output shaft end of the motor 25 is fixedly connected with a driving gear 24, the driven gear 23 and the driving gear 24 are engaged with each other, after the stretch film is fixed on the winding roller 21, the motor 25 drives the winding roller 21 to rotate through the engagement between the driven gear 23 and the driving gear 24, so that the winding roller 21 winds the stretch film, which facilitates the collection, transportation and recovery of the stretch film waste.

[0022] The winding roller 21 is provided with a fixing device 3, which is used for fixing the end of the stretch film on the winding roller 21, the fixing device 3 comprises a clamping plate 31, a clamping plate groove 26 is opened on the outer surface of the winding roller 21, the clamping plate 31 is movably arranged in the clamping plate groove 26, clamping plate grooves 27 are opened on both sides of the clamping plate groove 26, a connecting plate 32 is slidably arranged in the connecting plate groove 27, the connecting plate 32 is fixedly installed on the clamping plate 31, a first spring 33 is fixedly connected with the connecting plate 32 on the lower side of the connecting plate groove 27, the elastic pushing force of the first spring 33 on the connecting plate 32 lifts up the clamping plate 31 and the connecting plate 32, which facilitates the user to pass the stretch film through the lower side of the clamping plate 31 and then fix it, one side of the connecting plate groove 27 is provided with a limiting groove 28, a limiting block 34 is slidably arranged in the limiting groove 28, the limiting block 34 is fixedly installed on the connecting plate 32, the limiting block 34 is limited in the limiting groove 28, which avoids the disengagement of the clamping plate 31 and the winding device 2 and causes device failure.

[0023] The adjusting device 4 is arranged on both sides of the fixing device 3 and is used for adjusting and fixing the position of the fixing device 3. The adjusting device 4 comprises two sliding blocks 41. Two L-shaped sliding grooves 35 are arranged on the side of the connecting plate 32 away from the clamping plate 31. The two sliding blocks 41 are respectively arranged in the two L-shaped sliding grooves 35. A driving groove 29 is arranged on the side of the connecting plate groove 27 away from the clamping plate 31. Two connecting rods 42 are swingingly arranged in the driving groove 29. A hinged seat 43 is slidably arranged in the driving groove 29. One end of the connecting rod 42 is hinged to the sliding block 41. The other end of the connecting rod 42 is hinged to the hinged seat 43. A recess 211 is arranged on one side of the driving groove 29 and penetrates one side of the winding roller 21. A button 44 is slidably arranged in the recess 211. One end of the button 44 is fixed to the hinged seat 43. A second spring 45 is arranged on the outside of the button 44. During the process that the user passes the stretchable film through and presses the clamping plate 31 downward, the sliding block 41 slides in the L-shaped sliding groove 35. When the sliding block 41 slides to the highest position of the L-shaped sliding groove 35, the elastic pushing force of the second spring 45 on the button 44 makes the hinged seat 43 slide away from the clamping plate 31. The hinging between the connecting rod 42 and the sliding block 41 and the hinged seat 43 makes the two sliding blocks 41 move towards each other. In this way, the two sliding blocks 41 are clamped in the horizontal groove of the L-shaped sliding groove 35. The position of the connecting plate 32 is clamped and fixed. The clamping plate 31 is fixed in the clamping plate groove 26. The clamping plate 31 presses the stretchable film. The stretchable film is fixed on the winding roller 21. The slippage during the process of winding the stretchable film is avoided. The side of the L-shaped sliding groove 35 close to the clamping plate 31 is provided with a guide groove 36. A guide block 46 is slidably arranged in the guide groove 36. The guide block 46 is fixedly installed on the sliding block 41. The sliding of the guide block 46 in the guide groove 36 limits the position of the sliding block 41. The sliding block 41 always slides in the L-shaped sliding groove 35. The L-shaped sliding groove 35 is prevented from sliding off and causing the clamping plate 31 to be unable to be fixed.

[0024] The stretching film waste recovery device of the stretching film machine of the embodiment is used in specific use, the user first presses the button 44, the two sliding blocks 41 are reversely moved, the elastic pushing force of the first spring 33 is applied to the connecting plate 32 to push out the clamping plate 31, then the end of the stretching film is inserted through the lower side of the clamping plate 31, then the clamping plate 31 is pressed downwards, when the clamping plate 31 is immersed in the clamping plate groove 26, the elastic pushing force of the second spring 45 is applied to the button 44 to make the hinged seat 43 slide away from the clamping plate 31, the two sliding blocks 41 are moved towards each other through the hinge between the connecting rod 42 and the sliding blocks 41 and the hinged seat 43, so that the two sliding blocks 41 are clamped in the horizontal groove of the L-shaped sliding groove 35, the position of the connecting plate 32 is clamped and fixed, the clamping plate 31 is fixed in the clamping plate groove 26, and the clamping plate 31 is pressed to the stretching film, so that the stretching film is fixed on the winding roller 21, then the motor 25 is turned on, the motor 25 drives the winding roller 21 to rotate through the meshing between the driven gear 23 and the driving gear 24, so that the winding roller 21 winds the stretching film.

[0025] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stretch film waste recovery device for a stretch film machine, comprising a support (1), a winding device (2) is arranged on the upper side of the support (1), the winding device (2) comprises a winding roller (21), characterized in that: The inside of the winding roller (21) is provided with a fixing device (3) for fixing the end of the stretch film on the winding roller (21), and the two sides of the fixing device (3) are provided with an adjusting device (4) for adjusting and fixing the position of the fixing device (3), the fixing device (3) comprises a clamping plate (31), the outer surface of the winding roller (21) is provided with a clamping plate groove (26), the clamping plate (31) is movably arranged in the clamping plate groove (26), the two sides of the clamping plate groove (26) are provided with a connecting plate groove (27), the connecting plate groove (27) is slidably provided with a connecting plate (32), the connecting plate (32) is fixedly installed on the clamping plate (31), and the lower side of the connecting plate (32) is fixedly connected with a first spring (33) located in the connecting plate groove (27).

2. The stretched film waste recovery device for a stretched film machine according to claim 1, characterized by: The connecting plate groove (27) is provided with a limiting groove (28) on one side, and the limiting groove (28) is slidably provided with a limiting block (34) inside.

3. The stretched film waste recovery device for a stretched film machine according to claim 1, characterized by: The adjusting device (4) comprises two sliding blocks (41), the side of the connecting plate (32) away from the clamping plate (31) is provided with two L-shaped sliding grooves (35), and the two sliding blocks (41) are slidably arranged in the two L-shaped sliding grooves (35), respectively. The side of the connecting plate groove (27) away from the clamping plate (31) is provided with a driving groove (29), the driving groove (29) is swingably provided with two connecting rods (42) inside, the driving groove (29) is slidably provided with a hinged seat (43) inside, one end of the connecting rod (42) is hinged to the sliding block (41), the other end of the connecting rod (42) is hinged to the hinged seat (43), one side of the driving groove (29) is provided with a groove (211) penetrating through one side of the winding roller (21), the groove (211) is slidably provided with a button (44) inside, one end of the button (44) is fixed to the hinged seat (43), and the other end of the button (44) is provided with a second spring (45).

4. The stretched film waste recovery device for a stretched film machine according to claim 3, characterized by: The side of the L-shaped sliding groove (35) close to the clamping plate (31) is provided with a guide groove (36), and the guide groove (36) is slidably provided with a guide block (46) inside.

5. The stretched film waste recovery device for a stretched film machine according to claim 1, characterized by: The middle of the two ends of the winding roller (21) is fixedly connected with a fixed shaft (22), the upper side of the support (1) is provided with a rotating groove (5), the fixed shaft (22) is rotatably arranged in the rotating groove (5), one end of the fixed shaft (22) is fixedly connected with a driven gear (23), the side of the support (1) close to the driven gear (23) is fixedly connected with a motor (25), the output shaft end of the motor (25) is fixedly connected with a driving gear (24), and the driven gear (23) and the driving gear (24) are meshed with each other.

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