Auxiliary unwinding device for plastic packaging film
By designing a plastic packaging film-assisted rolling device that is automatically straightened and rolled, the film shift problem caused by machine vibration is solved, which improves production efficiency and reduces costs.
Patent Information
- Application Number
- CN202422401597.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-09-30
AI Technical Summary
During the processing of plastic packaging film, the film displacement caused by machine vibration requires manual correction, which increases production costs and reduces efficiency.
An auxiliary downwinding device including a winding roller, a straightening plate, a guide roller and a motor is designed to automatically straighten and winding through a positioning mechanism and a adjustment motor to avoid the tilt of the film.
It improves the efficiency of the packaging film coiling process, reduces the need for manual correction, and reduces production costs.
Smart Images
Figure CN223268038U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging film rolling, in particular to an auxiliary rolling device for plastic packaging film. Background Art
[0002] Films made of other resins are used for packaging and as coating layers. Plastic packaging products occupy an increasingly larger share in the market. In the process of processing plastic packaging films, in order to store and collect the processed plastic packaging films, they need to be rolled up with the help of a collection roller. In actual operation, the machine will generate certain vibrations during operation, which may cause displacement. At this time, it needs to be manually straightened. Manual straightening will increase production costs to a certain extent, thereby reducing production efficiency. Utility Model Content
[0003] The purpose of the present invention is to provide a plastic packaging film auxiliary unwinding device with a reasonable design and easy use in view of the defects and shortcomings of the existing technology, which can effectively solve the defects of the above-mentioned existing technology.
[0004] To achieve the above-mentioned object, the present invention adopts the following technical solution: it comprises a mounting plate and a movable plate, wherein the mounting plate is symmetrically arranged on one side of the top wall of the processing equipment, and a movable frame is arranged on one side of the front mounting plate. The movable frame is arranged in an "L" shape, and the horizontal plate on the lower side of the movable frame abuts against the processing equipment; it also comprises:
[0005] The winding roller has a rear end that is screwed to the rear mounting plate via a bearing, a front end that is movably inserted into the vertical plate of the movable frame, and a winding motor that is fixed to the rear end of the winding roller and is embedded and fixed in the rear mounting plate;
[0006] The mounting rod is fixedly arranged between the two mounting plates. Two No. 1 guide rollers are symmetrically arranged on the lower side of the mounting rod. A No. 2 guide roller is arranged on the side of the mounting rod away from the winding roller. The front and rear ends of the No. 1 guide roller and the No. 2 guide roller are both rotationally connected to the mounting plates on the front and rear sides through bearings.
[0007] There are two centralizing plates, and the centralizing plates are symmetrically sleeved on the mounting rod. The two sides of the centralizing plates are sleeved on the No. 1 guide rollers on both sides. A bidirectional screw is embedded in the interior of the mounting rod and is screwed to it through a bearing. The nuts at both ends of the bidirectional screw pass through the mounting rod and are connected to the centralizing plates.
[0008] An adjusting motor is embedded in and fixed to a mounting plate on one side, and an output shaft of the adjusting motor is fixedly connected to one end of a bidirectional screw rod;
[0009] A positioning mechanism, wherein the positioning mechanism is disposed in the processing equipment and is connected to the movable frame;
[0010] Through the above technical solution, the positioning mechanism is started, and the positioning mechanism drives the movable frame to move outward, so that the winding roller is separated from the movable frame, and then the wound empty roller is put on the winding roller, and then the movable frame is driven back by the positioning mechanism to position the empty roller, and then one side of the processed packaging film is wound onto the empty roller, and according to the position of both sides of the packaging film, the adjusting motor is started, and the adjusting motor drives the bidirectional screw to rotate, and the bidirectional screw drives the straightening plates on both sides to move through the nut at both ends until the straightening plates touch the side of the packaging film, and finally the winding motor is started, and the winding motor drives the winding roller to rotate, and the winding roller drives the empty roller to rotate, so that the packaging film is wound by the empty roller, and the packaging film is guided by the No. 1 guide roller and the No. 2 guide roller.
[0011] As a further improvement of the present invention, the positioning mechanism includes:
[0012] A connecting bar, wherein the connecting bar is fixed to the lower surface of the movable frame horizontal plate, the connecting bar is movably arranged in the table of the processing equipment, the interior of the connecting bar is screwed with a positioning screw through a thread, and the rear end of the positioning screw is screwed into the rear side wall of the table of the processing equipment through a bearing;
[0013] A positioning motor, wherein the positioning motor is embedded in and fixed to the inside of the table of the processing equipment, the positioning motor is connected to the power supply of the processing equipment, and a driving rod is fixed to the output shaft of the positioning motor, and the driving rod is connected to the rear end of the positioning screw through a synchronous wheel transmission assembly;
[0014] Through the above technical solution, the positioning motor is started, the positioning motor drives the driving rod to rotate, and the driving rod drives the positioning screw to rotate through the synchronous wheel transmission assembly. During the rotation process, the positioning screw can drive the connecting bar to move, and the connecting bar drives the movable frame to move.
[0015] As a further improvement of the present invention, a limit block is fixed on the bottom wall of the connecting strip, and the limit block is slidably arranged in the table of the processing equipment;
[0016] The above technical solution can prevent the connecting strip from falling out of the table top of the processing equipment.
[0017] As a further improvement of the present invention, a limit plate is symmetrically provided on the upper surface of the horizontal plate of the movable frame through the sliding block, and the sliding block is connected to the horizontal plate of the movable frame by bolts;
[0018] The above technical solution can facilitate the positioning of the empty roller and prevent it from sliding.
[0019] As a further improvement of the present invention, a rotating rod is provided on one side of the mounting rod, and the ends of the rotating rod are respectively screwed to the mounting plates on the front and rear sides through bearings, and a rotating tube is sleeved on the front and rear ends of the rotating rod, and the convex strips at the inner ends of the rotating tubes are slidably arranged in the strip grooves on the outer ring wall of the rotating rod, and the rotating tubes are respectively screwed to the centralizing plates on the front and rear sides through bearings, and a rotating motor is fixed on the side wall of one of the centralizing plates, and the output shaft of the rotating motor is connected to the adjacent rotating tube through a gear pair, and the rotating plate is fixed to the end of the rotating tube away from the center of the rotating rod after passing through the centralizing plate, and the rotating plate is matched with the limit plate and is set in a conflicting manner;
[0020] Through the above technical solution, the rotating motor is started, and the rotating motor drives the rotating tube connected to it to rotate through the gear pair. The rotating tube drives the internal rotating rod to rotate, and the rotating rod drives the other rotating tube to rotate synchronously. The two rotating tubes simultaneously drive the rotating plates on each of them to rotate until the rotating plates abut against the corresponding limit plates, so that the two limit plates can abut against the empty roller, ensuring that the positions of the empty roller and the straightening plate correspond to each other, which is convenient for straightening the packaging film.
[0021] Compared with the prior art, the beneficial effects of the present invention are as follows: the auxiliary unwinding device for plastic packaging film described in the present invention can limit the packaging film during the winding process to avoid the phenomenon that the film tilts and needs to be straightened, thereby improving work efficiency. The present invention has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a structural diagram of the present utility model.
[0023] Figure 2 for Figure 1 Exploded diagram of .
[0024] Figure 3 It is a structural schematic diagram of the mounting rod, the centralizing plate and the bidirectional screw rod in the utility model.
[0025] Figure 4 This is an exploded view of the movable frame and positioning mechanism in the present utility model.
[0026] Figure 5 This is an exploded view of the limiting plate, winding roller, mounting rod and rotating plate in the utility model.
[0027] Description of reference numerals:
[0028] Mounting plate 1, movable frame 2, winding roller 3, winding motor 4, mounting rod 5, No. 1 guide roller 6, No. 2 guide roller 7, straightening plate 8, bidirectional screw 9, adjusting motor 10, positioning mechanism 11, connecting strip 11-1, positioning screw 11-2, positioning motor 11-3, driving rod 11-4, limit block 12, limit plate 13, rotating rod 14, rotating tube 15, rotating motor 16, rotating plate 17. DETAILED DESCRIPTION
[0029] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention. Example
[0030] like Figure 1-Figure 5 As shown, this embodiment includes a mounting plate 1 and a movable frame 2. The mounting plate 1 is symmetrically arranged on the upper left side of the top wall of the processing equipment. The movable frame 2 is arranged on the left side of the front mounting plate 1. The movable frame 2 is arranged in an "L" shape. The horizontal plate on the lower side of the movable frame 2 abuts against the processing equipment. A limit plate 13 is symmetrically arranged on the upper surface of the horizontal plate of the movable frame 2 through a slider. The slider is connected to the horizontal plate of the movable frame 2 by bolts to facilitate positioning of the empty roller and prevent it from sliding. It also includes:
[0031] The winding roller 3 has a rear end that is screwed to the rear mounting plate 1 via a bearing, and a front end that is movably inserted into the vertical plate of the movable frame 2. A winding motor 4 is fixed to the rear end of the winding roller 3, and the winding motor 4 is embedded in and fixed to the rear mounting plate 1 via bolts.
[0032] The mounting rod 5 is welded and fixed between the two mounting plates 1. Two No. 1 guide rollers 6 are symmetrically arranged on the lower side of the mounting rod 5. A No. 2 guide roller 7 is arranged on the side of the mounting rod 5 away from the winding roller 3. The front and rear ends of the No. 1 guide roller 6 and the No. 2 guide roller 7 are both screwed to the mounting plates 1 on the front and rear sides through bearings;
[0033] There are two straightening plates 8, and the straightening plates 8 are symmetrically sleeved on the mounting rod 5. The two sides of the straightening plates 8 are sleeved on the No. 1 guide rollers 6 on both sides. A bidirectional screw rod 9 is embedded in the interior of the mounting rod 5 and is screwed to the bearing. The nuts at both ends of the bidirectional screw rod 9 pass through the mounting rod 5 and are connected to the straightening plates 8.
[0034] The adjusting motor 10 is embedded in the front mounting plate 1 and fixed by bolts, and the output shaft of the adjusting motor 10 is fixedly connected to the front end of the bidirectional screw rod 9;
[0035] The positioning mechanism 11 is provided in the processing equipment and is connected to the movable frame 2 . Example
[0036] See Figure 1-2 、 Figure 4 As shown, based on Example 1, the positioning mechanism 11 includes:
[0037] Connecting bar 11-1, the connecting bar 11-1 is welded and fixed on the lower surface of the horizontal plate of the movable frame 2, and the connecting bar 11-1 is movably set in the table top of the processing equipment. The interior of the connecting bar 11-1 is screwed with a positioning screw 11-2 through a thread, and the rear end of the positioning screw 11-2 is screwed into the rear side wall of the table top of the processing equipment through a bearing; a limiting block 12 is welded and fixed on the bottom wall of the connecting bar 11-1, and the limiting block 12 is slidably set in the table top of the processing equipment to prevent the connecting bar 11-1 from falling out of the table top of the processing equipment;
[0038] Positioning motor 11-3, the positioning motor 11-3 is embedded in the inside of the table of the processing equipment and fixed by bolts, the positioning motor 11-3 is connected to the power supply of the processing equipment, and a driving rod 11-4 is fixed on the output shaft of the positioning motor 11-3, and the driving rod 11-4 is connected to the rear end of the positioning screw 11-2 through a synchronous wheel transmission assembly. Example
[0039] See Figure 2 、 Figure 5 As shown, based on Example 1, a rotating rod 14 is provided on the left side of the mounting rod 5, and the ends of the rotating rod 14 are respectively screwed onto the mounting plates 1 on the front and rear sides through bearings, and the front and rear ends of the rotating rod 14 are sleeved with a rotating tube 15, and the convex strips at the inner ends of the rotating tube 15 are slidably set in the strip grooves on the outer ring wall of the rotating rod 14, and the rotating tube 15 is respectively screwed onto the straightening plates 8 on the front and rear sides through bearings, and a rotating motor 16 is fixed to the side wall of the front straightening plate 8 by bolts, and the output shaft of the rotating motor 16 is connected to the adjacent rotating tube 15 through a gear pair, and the end of the rotating tube 15 away from the center of the rotating rod 14 passes through the straightening plate 8, and is welded and fixed with a rotating plate 17, which is matched with the limit plate 13 and is set in abutment with each other.
[0040] When using the present invention, the positioning motor 11-3 is started, and the positioning motor 11-3 drives the driving rod 11-4 to rotate, and the driving rod 11-4 drives the positioning screw 11-2 to rotate through the synchronous wheel transmission assembly. The positioning screw 11-2 can drive the connecting bar 11-1 to move during the rotation, and the connecting bar 11-1 drives the movable frame 2 to move, so that the winding roller 3 is separated from the movable frame 2, and then the wound empty roller is put on the winding roller 3, and then the movable frame 2 is driven back to its original position through the positioning mechanism 11 to position the empty roller. After that, one side of the processed packaging film is wound onto the empty roller, and according to the position of both sides of the packaging film, the adjusting motor 10 is started, and the adjusting motor 10 drives the bidirectional screw rod 9 to rotate, and the bidirectional screw rod 9 drives the straightening plates 8 on both sides to move through the screw nuts at both ends. Until the straightening plate 8 hits the side of the packaging film, the rotating motor 16 is started, and the rotating motor 16 drives the rotating tube 15 connected to it to rotate through the gear pair, and the rotating tube 15 drives the internal rotating rod 14 to rotate, and the rotating rod 14 drives the other rotating tube 15 to rotate synchronously, and the two rotating tubes 15 simultaneously drive the rotating plates 17 on each of them to rotate until the rotating plates 17 hit the corresponding limit plates 13, so that the two limit plates 13 can hit the empty roller, which can ensure that the position of the empty roller corresponds to the straightening plate 8, which is convenient for straightening the packaging film. Finally, the winding motor 4 is started, and the winding motor 4 drives the winding roller 3 to rotate, and the winding roller 3 drives the empty roller to rotate, so that the packaging film is wound by the empty roller, and the packaging film is guided by the No. 1 guide roller 6 and the No. 2 guide roller 7.
[0041] Compared with the prior art, the beneficial effects of this specific embodiment are as follows:
[0042] 1. During the winding process, the packaging film can be limited by the straightening plates 8 on the front and rear sides to avoid tilting and the need for straightening, thereby improving work efficiency;
[0043] 2. The rotating plate 17 on the straightening plate 8 can push the limiting plate 13 on the winding roller 3, so that the limiting plate 3 is positioned without the need for bolts, which improves portability during operation.
[0044] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.
Claims
1. A plastic packaging film auxiliary rolling device, comprising a mounting plate (1) and a movable frame (2), wherein the mounting plate (1) is symmetrically arranged on one side of the top wall of a processing device, and a movable frame (2) is arranged on one side of the front mounting plate (1). The movable frame (2) is arranged in an "L" shape, and the horizontal plate on the lower side of the movable frame (2) contacts the processing device; characterized in that: It also contains: A winding roller (3), wherein the rear end of the winding roller (3) is screwed to the rear mounting plate (1) via a bearing, the front end of the winding roller (3) is movably inserted into the vertical plate of the movable frame (2), and the rear end of the winding roller (3) is fixed with a winding motor (4), which is embedded in and fixed in the rear mounting plate (1); A mounting rod (5), wherein the mounting rod (5) is fixedly arranged between the two mounting plates (1), two No. 1 guide rollers (6) are symmetrically arranged on the left and right sides of the lower side of the mounting rod (5), and a No. 2 guide roller (7) is arranged on the side of the mounting rod (5) away from the winding roller (3), and the front and rear ends of the No. 1 guide roller (6) and the No. 2 guide roller (7) are both screwed to the mounting plates (1) on the front and rear sides through bearings; A straightening plate (8), wherein the straightening plate (8) is provided in two pieces and is symmetrically sleeved on the mounting rod (5) in front and back. Both sides of the straightening plate (8) are sleeved on the No. 1 guide rollers (6) on both sides. A bidirectional screw rod (9) is embedded in the interior of the mounting rod (5) and is screwed on via a bearing. The nuts at both ends of the bidirectional screw rod (9) pass through the mounting rod (5) and are connected to the straightening plate (8). An adjusting motor (10), wherein the adjusting motor (10) is embedded in and fixed in a mounting plate (1) on one side, and an output shaft of the adjusting motor (10) is fixedly connected to one end of a bidirectional screw rod (9); A positioning mechanism (11), wherein the positioning mechanism (11) is arranged in the processing equipment, and the positioning mechanism (11) is connected to the movable frame (2).
2. The auxiliary unwinding device for plastic packaging film according to claim 1, characterized in that: The positioning mechanism (11) comprises: A connecting bar (11-1), wherein the connecting bar (11-1) is fixed on the lower surface of the horizontal plate of the movable frame (2), and the connecting bar (11-1) is movably arranged in the table of the processing equipment. A positioning screw (11-2) is screwed into the interior of the connecting bar (11-1) through a thread, and the rear end of the positioning screw (11-2) is screwed into the rear side wall of the table of the processing equipment through a bearing; A positioning motor (11-3) is embedded in and fixed inside a tabletop of a processing device. The positioning motor (11-3) is connected to a power source of the processing device. A driving rod (11-4) is fixed to an output shaft of the positioning motor (11-3). The driving rod (11-4) is connected to the rear end of the positioning screw (11-2) via a synchronous wheel transmission assembly.
3. The auxiliary unwinding device for plastic packaging film according to claim 2, characterized in that: A limiting block (12) is fixed on the bottom wall of the connecting strip (11-1), and the limiting block (12) is slidably arranged in the table of the processing equipment.
4. The auxiliary unwinding device for plastic packaging film according to claim 1, characterized in that: A limit plate (13) is symmetrically arranged on the upper surface of the horizontal plate of the movable frame (2) through the sliding block, and the sliding block is connected to the horizontal plate of the movable frame (2) through bolts.
5. The auxiliary unwinding device for plastic packaging film according to claim 4, characterized in that: A rotating rod (14) is provided on one side of the mounting rod (5), and the ends of the rotating rod (14) are respectively screwed on the mounting plates (1) on the front and rear sides through bearings. The front and rear ends of the rotating rod (14) are sleeved with rotating tubes (15). The convex strips at the inner ends of the rotating tubes (15) are slidably arranged in the strip grooves on the outer ring wall of the rotating rod (14). The rotating tubes (15) are respectively screwed on the straightening plates (8) on the front and rear sides through bearings. A rotating motor (16) is fixed on the side wall of one of the straightening plates (8). The output shaft of the rotating motor (16) is connected to the adjacent rotating tube (15) through a gear pair. After the end of the rotating tube (15) away from the center of the rotating rod (14) passes through the straightening plate (8), a rotating plate (17) is fixed. The rotating plate (17) is matched with the limit plate (13) and is set in abutment.