Winding equipment with limiting function for PVC film production

Abstract

The utility model discloses rolling equipment with a limiting function for PVC (polyvinyl chloride) film production. The rolling equipment comprises a base, a rolling mechanism and a limiting mechanism, a tensioning mechanism is arranged in the middle of the base, the front end of the left side wall of the base is rotationally connected with a flange seat, the right side face of the flange seat is connected with a winding shaft through a bolt, and an arc-shaped barrel of the winding shaft is provided with limiting grooves which are evenly distributed; the winding mechanism is arranged on the rear side of the interior of the base and the left side face of the base, and the front end of the winding mechanism is fixedly connected with the left end of the flange base; the limiting mechanism comprises a sliding barrel, sliding barrel limiting plates and a rolling limiting plate, the sliding barrel is slidably connected into the rolling shaft, and the sliding barrel limiting plates which are evenly distributed are arranged on the outer arc face of the sliding barrel. The edge of the PVC film winding drum with any width is more tidy, and meanwhile the wound PVC winding drum is more compact.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC film production, in particular to a winding device for PVC film production with a limiting function. Background Art

[0002] PVC film, the main component is polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness, ductility, etc. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. It is a synthetic material that is deeply loved, popular and widely used in the world today. The global usage of PVC film ranks second among various synthetic materials. Among the materials that can produce three-dimensional surface films, PVC is the most suitable material.

[0003] After PVC film processing, it needs to be rolled up, and a rolling device is usually used. The rolling shaft of the rolling device rotates to roll the PVC film into a PVC film roll for easy storage and transportation. However, the existing rolling equipment does not limit the PVC film during rolling. The edges of the rolls after rolling are uneven, and some rolls may be loose. Therefore, we propose a rolling device for PVC film production with a limiting function. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a winding device for PVC film production with a limiting function, which can limit the position of the PVC film roll during winding, so that the edge of the PVC film roll of any width is more neat, and the PVC roll after winding is more compact, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a winding device for PVC film production with a limiting function, comprising a base, a winding mechanism and a limiting mechanism;

[0006] Base: A tensioning mechanism is arranged in the middle thereof, the front end of the left side wall of the base is rotatably connected with a flange seat, the right side of the flange seat is connected with a reel through bolts, and the arc tube of the reel is provided with evenly distributed limit grooves;

[0007] Rolling mechanism: It is arranged at the rear side of the interior of the base and the left side of the base, and the front end of the rolling mechanism is fixedly connected to the left end of the flange seat;

[0008] Limiting mechanism: It includes a slide, a slide limiting plate and a winding limiting plate. The inside of the winding shaft is slidably connected with the slide, and the outer arc surface of the slide is provided with evenly distributed slide limiting plates. The slide limiting plates are respectively slidably connected to the inside of adjacent limiting grooves. The winding limiting plates are fixedly connected between the left sides of the slide limiting plates. The winding shaft passes through the gap in the middle of the whole composed of the slide, the slide limiting plate and the winding limiting plate. The PVC film roll can be limited during winding, so that the edges of the PVC film roll of any width are more neat, and the PVC roll after winding is more compact.

[0009] Furthermore, it also includes a control switch, which is arranged at the upper end of the left side wall of the base, and the input end of the control switch is electrically connected to an external power supply to control the motor.

[0010] Furthermore, the limiting mechanism also includes an adjusting wrench, a first fixed seat and a screw rod. The first fixed seat is connected to the inside of the right end of the winding shaft by bolts. The middle part of the first fixed seat is rotatably connected to the adjusting wrench. The left end of the adjusting wrench is welded with a screw rod. The middle part of the slide cylinder is threadedly connected to the outside of the screw rod to adjust the position of the slide cylinder inside the winding shaft.

[0011] Furthermore, the winding mechanism includes a feed shaft, a pulley 1, a pulley 2, a gear, a pulley 3, a protective cover and a pulley 4. The rear end of the base is rotatably connected to the feed shaft distributed up and down. The left end of the feed shaft is fixedly sleeved with a gear, and the two gears are meshed and connected. The left end fixed sleeve of the feed shaft at the lower end is provided with a pulley 2, and the pulley 2 is located on the left side of the gear at the lower end. The lower end of the left side surface of the base is rotatably connected to the pulley 1 through the rotating shaft 1, and the external fixed sleeve of the left end of the flange seat is provided with a pulley 4. The middle part of the left side surface of the base is rotatably connected to the pulley 3 through the rotating shaft 2. The pulley 1, the pulley 2 and the pulley 4 are connected by belt transmission, and the belt contacts the upper end of the pulley 3. The left side of the base is connected to the protective cover by bolts, and the pulley 1, the pulley 2, the gear, the pulley 3 and the pulley 4 are all located inside the protective cover to realize the winding of the PVC film.

[0012] Furthermore, the winding mechanism also includes a motor, which is fixedly connected to the inside of the left side wall of the base, the output shaft of the motor is fixedly connected to the right end of the rotating shaft, and the input end of the motor is electrically connected to the output end of the control switch to drive the winding shaft and the feeding shaft to rotate.

[0013] Furthermore, the tensioning mechanism includes a tensioning shaft, a connecting shaft, a spring, a second fixed seat and a limiting nut. The middle parts of the inner walls on the left and right sides of the base are connected to the second fixed seat by bolts, the middle parts of the second fixed seats are slidably connected to the connecting shaft, the lower ends of the two connecting shafts are rotatably connected with the tensioning shaft, the lower ends of the connecting shafts are provided with spring seats, the lower ends of the connecting shafts are sleeved with springs, the springs are located between the spring seats and the vertically adjacent second fixed seats, the upper ends of the connecting shafts are threadedly connected with limiting nuts, the limiting nuts are respectively located at the upper ends of the vertically adjacent second fixed seats, to tension the PVC film.

[0014] Furthermore, the tensioning mechanism also includes a guide shaft, which is fixedly connected between the middle parts of the left and right inner walls of the base, and is located between the tensioning shaft and the winding shaft to facilitate the transportation of the PVC film.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the winding device for PVC film production with a limiting function has the following advantages:

[0016] 1. The worker turns the adjusting wrench, which drives the screw to rotate. The slide cylinder slides inside the winding shaft. The slide cylinder limit plates slide synchronously inside the adjacent limit grooves. The winding limit plates move synchronously to adjust the position of the slide cylinder inside the winding shaft. The relative distance between the winding limit plate and the left end of the winding shaft is the same as the width of the PVC film to be wound. When winding, the PVC film roll of any width can be limited.

[0017] 2. Control the switch to turn on the motor. The output shaft of the motor drives pulley 1 to rotate. Pulley 1 drives pulley 2 and pulley 4 to rotate through the belt. Pulley 2 drives the feeding shaft and gear at the lower end to rotate. Pulley 4 drives the flange seat and the winding shaft to rotate. The gear at the lower end drives the gear at the upper end to rotate, so that the two feeding shafts rotate relative to each other. The worker guides the processed PVC film between the two feeding shafts. The feeding shaft rotates to transport the PVC film forward. Then the worker continues to guide the PVC film to pass through the lower end of the tensioning shaft and the upper end of the guide shaft in turn, and fixes the PVC film on the surface of the winding shaft. The winding shaft rotates to carry out the winding work. The springs press down the adjacent spring seats respectively, and the connecting shafts slide downward in the middle of the second vertically adjacent fixed seats respectively. The tensioning shaft slides downward to press down the PVC film, so that the PVC film always remains tensioned, and the PVC film roll after winding is tighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is an enlarged structural diagram of the utility model at A;

[0020] Figure 3 It is a structural schematic diagram of the limiting mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the sectional structure of the utility model from the rear.

[0022] In the figure: 1 base, 2 winding mechanism, 21 feeding shaft, 22 motor, 23 pulley 1, 24 pulley 2, 25 gear, 26 pulley 3, 27 protective cover, 28 pulley 4, 3 limiting mechanism, 31 adjusting wrench, 32 first fixed seat, 33 slide cylinder, 34 slide cylinder limiting plate, 35 winding limiting plate, 36 screw rod, 4 flange seat, 5 winding shaft, 6 tensioning mechanism, 61 guide shaft, 62 tensioning shaft, 63 connecting shaft, 64 spring, 65 second fixed seat, 66 limiting nut, 7 control switch. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , this embodiment provides a technical solution: a winding device for PVC film production with a limiting function, comprising a base 1, a winding mechanism 2 and a limiting mechanism 3;

[0025] Base 1: A tensioning mechanism 6 is arranged in the middle thereof, a flange seat 4 is rotatably connected to the front end of the left side wall of the base 1, a winding shaft 5 is connected to the right side surface of the flange seat 4 by bolts, and the arc tube of the winding shaft 5 is provided with evenly distributed limiting grooves, the tensioning mechanism 6 comprises a tensioning shaft 62, a connecting shaft 63, a spring 64, a second fixing seat 65 and a limiting nut 66, the middle parts of the inner walls on the left and right sides of the base 1 are connected to the second fixing seat 65 by bolts, the middle parts of the second fixing seats 65 are slidably connected to the connecting shaft 63, the tensioning shaft 62 is rotatably connected between the lower ends of the two connecting shafts 63, the lower ends of the connecting shafts 63 are provided with spring seats, and the lower ends of the connecting shafts 63 are A spring 64 is sleeved, and the spring 64 is located between the spring seat and the second vertically adjacent fixed seat 65. The upper end of the connecting shaft 63 is threadedly connected to a limit nut 66, and the limit nuts 66 are respectively located at the upper ends of the second vertically adjacent fixed seats 65. The tensioning mechanism 6 also includes a guide shaft 61, and a guide shaft 61 is fixedly connected between the middle parts of the left and right inner walls of the base 1. The guide shaft 61 is located between the tensioning shaft 62 and the winding shaft 5. The spring 64 presses down the adjacent spring seats respectively, and the connecting shaft 63 slides downward in the middle parts of the second vertically adjacent fixed seats 65 respectively, and the tensioning shaft 62 slides downward to press down the PVC film, so that the PVC film is always kept tensioned;

[0026] Winding mechanism 2: It is arranged at the rear side of the interior of the base 1 and the left side of the base 1. The front end of the winding mechanism 2 is fixedly connected to the left end of the flange seat 4. The winding mechanism 2 includes a feed shaft 21, a pulley 1 23, a pulley 24, a gear 25, a pulley 3 26, a protective cover 27 and a pulley 4 28. The rear end of the interior of the base 1 is rotatably connected with the feed shaft 21 distributed up and down. The left end of the feed shaft 21 is fixedly sleeved with a gear 25. The two gears 25 are meshed and connected. The left end of the feed shaft 21 at the lower end is fixedly sleeved with a pulley. 24, pulley 24 is located on the left side of the gear 25 at the lower end, the lower end of the left side surface of the base 1 is rotatably connected with pulley 1 23 through shaft 1, the outer fixed sleeve at the left end of the flange seat 4 is provided with pulley 4 28, the middle part of the left side surface of the base 1 is rotatably connected with pulley 3 26 through shaft 2, pulley 1 23, pulley 2 24 and pulley 4 28 are connected by belt transmission, the belt contacts the upper end of pulley 3 26, the left side surface of the base 1 is connected with a protective cover 27 by bolts, pulley 1 23, pulley 2 2 4. The gear 25, the pulley three 26 and the pulley four 28 are all located inside the protective cover 27. The winding mechanism 2 also includes a motor 22. The motor 22 is fixedly connected to the inside of the left side wall of the base 1. The output shaft of the motor 22 is fixedly connected to the right end of the rotating shaft 1. The input end of the motor 22 is electrically connected to the output end of the control switch 7. The control switch 7 turns on the motor 22. The output shaft of the motor 22 drives the pulley 1 23 to rotate. The pulley 1 23 drives the pulley 2 24 and the pulley 4 28 to rotate through the belt. The pulley 2 24 drives the lower end The feed shaft 21 and the gear 25 rotate, the pulley 28 drives the flange seat 4 and the winding shaft 5 to rotate, the gear 25 at the lower end drives the gear 25 at the upper end to rotate, so that the two feed shafts 21 rotate relative to each other, and the worker guides the processed PVC film between the two feed shafts 21, and the feed shaft 21 rotates to transport the PVC film forward, and then the worker continues to guide the PVC film to pass through the lower end of the tensioning shaft 62 and the upper end of the guide shaft 61 in turn, and fixes the PVC film on the surface of the winding shaft 5, and the winding shaft 5 rotates to carry out the winding work;

[0027] The limiting mechanism 3 includes a slide cylinder 33, a slide cylinder limiting plate 34 and a winding limiting plate 35. The slide cylinder 33 is slidably connected to the inside of the winding shaft 5. The outer arc surface of the slide cylinder 33 is provided with evenly distributed slide cylinder limiting plates 34. The slide cylinder limiting plates 34 are respectively slidably connected to the inside of adjacent limiting grooves. The winding limiting plates 35 are fixedly connected between the left sides of the slide cylinder limiting plates 34. The winding shaft 5 passes through the gap in the middle of the whole composed of the slide cylinder 33, the slide cylinder limiting plate 34 and the winding limiting plate 35. The limiting mechanism 3 also includes an adjusting wrench 31, a first fixing seat 32 and a screw rod 36. The first fixing seat 32 is connected to the inside of the right end of the winding shaft 5 by bolts. The middle part of the seat 32 is rotatably connected with an adjusting wrench 31, and a screw rod 36 is welded to the left end of the adjusting wrench 31. The middle part of the slide 33 is threadedly connected to the outside of the screw rod 36. The worker rotates the adjusting wrench 31, and the adjusting wrench 31 drives the screw rod to rotate. The slide 33 slides inside the winding shaft 5, and the slide limit plates 34 slide synchronously inside the adjacent limit grooves respectively, and the winding limit plates 35 are displaced synchronously to adjust the position of the slide 33 inside the winding shaft 5, so that the relative distance between the winding limit plate 35 and the left end of the winding shaft 5 is the same as the width of the PVC film to be wound, and a PVC film roll of any width can be limited during winding.

[0028] Among them: it also includes a control switch 7, which is arranged at the upper end of the left side wall of the base 1, and the input end of the control switch 7 is electrically connected to an external power supply.

[0029] The working principle of a winding device for producing PVC film with a limiting function provided by the utility model is as follows: a worker rotates an adjusting wrench 31, and the adjusting wrench 31 drives the screw rod to rotate, and the slide cylinder 33 slides inside the winding shaft 5, and the slide cylinder limiting plates 34 synchronously slide inside the adjacent limiting grooves, respectively, and the winding limiting plates 35 are synchronously displaced to adjust the position of the slide cylinder 33 inside the winding shaft 5, so that the relative distance between the winding limiting plate 35 and the left end of the winding shaft 5 is the same as the width of the PVC film to be wound, and the PVC film roll of any width can be limited during winding, and the motor 22 is turned on by the control switch 7, and the output shaft of the motor 22 drives the pulley 1 23 to rotate, and the pulley 1 23 drives the pulley 2 24 and the pulley 4 28 to rotate through the belt, and the pulley 24 drives the feeding shaft 21 and the gear 25 at the lower end to rotate, Pulley four 28 drives the flange seat 4 and the winding shaft 5 to rotate, and the gear 25 at the lower end drives the gear 25 at the upper end to rotate, so that the two feeding shafts 21 rotate relative to each other. The worker guides the processed PVC film between the two feeding shafts 21, and the feeding shaft 21 rotates to transport the PVC film forward. Then the worker continues to guide the PVC film to pass through the lower end of the tensioning shaft 62 and the upper end of the guide shaft 61 in turn, and fixes the PVC film on the surface of the winding shaft 5. The winding shaft 5 rotates to perform the winding work, and the spring 64 presses down the adjacent spring seats respectively, and the connecting shaft 63 slides downward in the middle of the vertically adjacent second fixed seats 65 respectively. The tensioning shaft 62 slides downward and presses down the PVC film, so that the PVC film is always kept tensioned. After the winding is completed, the first fixed seat 32 is taken out, and then the PVC film roll is removed and the first fixed seat 32 is installed again to continue winding.

[0030] It is worth noting that the motor 22 disclosed in the above embodiment can be an RF87 motor, and the control switch 7 is provided with a switch button corresponding to the motor 22 for controlling its switching operation.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A winding device for PVC film production with a limiting function, characterized in that: It comprises a base (1), a winding mechanism (2) and a limiting mechanism (3); Base (1): a tensioning mechanism (6) is arranged in the middle thereof, a flange seat (4) is rotatably connected to the front end of the left side wall of the base (1), a winding shaft (5) is connected to the right side surface of the flange seat (4) by bolts, and the arc tube of the winding shaft (5) is provided with evenly distributed limiting grooves; A winding mechanism (2): the winding mechanism (2) is arranged at the rear side of the interior of the base (1) and the left side of the base (1), and the front end of the winding mechanism (2) is fixedly connected to the left end of the flange seat (4); The limiting mechanism (3) comprises a slide cylinder (33), a slide cylinder limiting plate (34) and a winding limiting plate (35); the inside of the winding shaft (5) is slidably connected with the slide cylinder (33); the outer arc surface of the slide cylinder (33) is provided with evenly distributed slide cylinder limiting plates (34); the slide cylinder limiting plates (34) are respectively slidably connected to the inside of adjacent limiting grooves; the winding limiting plate (35) is fixedly connected between the left sides of the slide cylinder limiting plates (34); and the winding shaft (5) passes through the gap in the middle of the whole composed of the slide cylinder (33), the slide cylinder limiting plate (34) and the winding limiting plate (35).

2. The PVC film production winding device with a limiting function according to claim 1, characterized in that: It also includes a control switch (7), which is arranged at the upper end of the left side wall of the base (1), and the input end of the control switch (7) is electrically connected to an external power supply.

3. The winding device for producing PVC film with a limiting function according to claim 1, characterized in that: The limiting mechanism (3) further comprises an adjusting wrench (31), a first fixing seat (32) and a screw rod (36); the first fixing seat (32) is connected to the inside of the right end of the winding shaft (5) by means of bolts; the middle part of the first fixing seat (32) is rotatably connected to the adjusting wrench (31); the left end of the adjusting wrench (31) is welded to the screw rod (36); and the middle part of the slide cylinder (33) is threadedly connected to the outside of the screw rod (36).

4. The PVC film production winding device with a limiting function according to claim 2 is characterized in that: The winding mechanism (2) comprises a feeding shaft (21), a first pulley (23), a second pulley (24), a gear (25), a third pulley (26), a protective cover (27) and a fourth pulley (28). The rear end of the base (1) is rotatably connected to the feeding shaft (21) distributed up and down. The left ends of the feeding shafts (21) are fixedly sleeved with gears (25). The two gears (25) are meshed and connected. The left end of the feeding shaft (21) at the lower end is fixedly sleeved with a second pulley (24). The second pulley (24) is located on the left side of the gear (25) at the lower end. The lower end of the left side of the base (1) is connected by a rotating shaft. A pulley 1 (23) is rotatably connected to the base (1), a pulley 4 (28) is provided on the outer fixed sleeve at the left end of the flange seat (4), a pulley 3 (26) is rotatably connected to the middle part of the left side surface of the base (1) through a rotating shaft 2, the pulley 1 (23), the pulley 2 (24) and the pulley 4 (28) are connected through a belt transmission, and the belt contacts the upper end of the pulley 3 (26), and a protective cover (27) is connected to the left side surface of the base (1) through bolts, and the pulley 1 (23), the pulley 2 (24), the gear (25), the pulley 3 (26) and the pulley 4 (28) are all located inside the protective cover (27).

5. The winding device for producing PVC film with a limiting function according to claim 4, characterized in that: The winding mechanism (2) further comprises a motor (22), wherein the motor (22) is fixedly connected to the inside of the left side wall of the base (1), the output shaft of the motor (22) is fixedly connected to the right end of the rotating shaft 1, and the input end of the motor (22) is electrically connected to the output end of the control switch (7).

6. The PVC film production winding device with a limiting function according to claim 1, characterized in that: The tensioning mechanism (6) comprises a tensioning shaft (62), a connecting shaft (63), a spring (64), a second fixing seat (65) and a limiting nut (66). The middle parts of the inner walls on the left and right sides of the base (1) are connected to the second fixing seat (65) by bolts. The middle parts of the second fixing seats (65) are slidably connected to the connecting shaft (63). The tensioning shaft (62) is rotatably connected between the lower ends of the two connecting shafts (63). The lower ends of the connecting shafts (63) are provided with spring seats. The lower ends of the connecting shafts (63) are sleeved with springs (64). The springs (64) are located between the spring seats and the second fixing seats (65) adjacent to the vertical side. The upper ends of the connecting shafts (63) are threadedly connected to the limiting nuts (66). The limiting nuts (66) are respectively located at the upper ends of the second fixing seats (65) adjacent to the vertical side.

7. The winding device for producing PVC film with a limiting function according to claim 6, characterized in that: The tensioning mechanism (6) further comprises a guide shaft (61), the guide shaft (61) being fixedly connected between the middle portions of the left and right inner walls of the base (1), and the guide shaft (61) being located between the tensioning shaft (62) and the winding shaft (5).

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