Protective film winding device capable of preventing loosening

Abstract

The utility model discloses an anti-loosening protective film winding device, which relates to the field of protective film winding and comprises a device main body. By arranging the winding roller, the first sliding groove, the fixing rod, the rotating gear, the sliding block, the transmission teeth and the limiting block, when a new paper roll is installed, center positioning of the paper roll can be completed only by pushing the limiting block and by means of transmission force of the gear and the teeth, the tedious processes of traditional manual alignment and repeated calibration and marking are omitted, and the production efficiency is improved. By arranging a second sliding groove, a rotating rod, a moving groove, an extrusion block and a rotating handle, a worker can drive the extrusion block to slide outwards and internally support the inner wall of a paper roll to fix the paper roll only by screwing the rotating handle, the working efficiency is improved, and the practicability is high. Stable winding quality is guaranteed, and undesirable phenomena such as loose winding and wrinkles caused by paper roll mounting defects are reduced.

Description

Technical Field

[0001] The utility model relates to the field of protective film winding, in particular to a protective film winding device capable of preventing the film from becoming loose. Background Art

[0002] Protective film winding is a key link in the production process. It aims to orderly wind various types of protective films into tight and regular coils for easy storage, transportation and subsequent use. From the starting unwinding end, the flatly unfolded protective film is slowly transported forward. Maintaining appropriate tension during the process is like gently pulling a silk thread. If it is too tight, it will easily tear and deform, while if it is too loose, it will cause wrinkles on the film surface and loose winding.

[0003] The protective film winding device that prevents loosening is specially designed to overcome winding problems and ensure the quality of the coil. The core lies in the precise tension control system. The sensor closely follows the film material's running path, capturing subtle changes in tension in real time. The data is transmitted to the central control unit in seconds, and the motor speed and braking force are finely adjusted accordingly to ensure that the film maintains stable tension throughout the entire conveying process, avoiding loosening of the coil due to tension fluctuations from the source.

[0004] When the above-mentioned protective film winding device is actually used to replace the paper roll placed on the outer wall of the winding roller, it is necessary to use a marker to mark the position of the old paper roll, manually align the new paper roll with the marked position and place it, and then connect the air path interface to complete the fixing of the paper roll by the air shaft. The working steps are relatively cumbersome, and there are natural errors in manually aligning the marked marks, which makes it difficult to ensure the accuracy of the paper roll placement each time. Therefore, it is necessary to modify it based on the existing technology. Utility Model Content

[0005] Based on this, the purpose of the present invention is to provide a protective film winding device that prevents loosening, so as to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective film winding device that prevents loosening, comprising a device main body, a winding roller installed on the outer wall of the device main body, and a first sliding groove and a second sliding groove are provided on the outer wall of the winding roller, a fixed rod is installed on the inner wall of the winding roller, and a sliding block is slidably installed on the outer wall of the fixed rod, and a rotating rod is installed on the inner wall of the fixed rod, a moving groove is provided on the inner wall of the rotating rod, and an extrusion block is installed on the inner wall of the moving groove, a rotating handle is slidably installed on the end of the rotating rod, and a rotating groove is provided on the inner wall of the rotating rod, a rotating gear is installed on the inner wall of the rotating groove, a transmission tooth is installed on the outer wall of the sliding block, and a limiting block is installed on the outer wall of the sliding block.

[0007] By adopting the above technical solution, when installing a new paper roll, one only needs to push the limit block and use the transmission force of the gears and teeth to complete the center positioning of the paper roll, replacing the previous tedious process of manual repeated calibration and marking, saving operation time, improving replacement efficiency, and ensuring positioning accuracy.

[0008] Furthermore, the outer wall of the winding roller is symmetrically provided with two groups of first sliding grooves corresponding to the sliding blocks, and the outer wall of the winding roller is symmetrically provided with multiple groups of second sliding grooves corresponding to the extrusion blocks.

[0009] By adopting the above technical solution, the symmetrically arranged first sliding groove and the second sliding groove enable the force applied by the sliding block and the extrusion block to the winding roller during operation to be evenly distributed, thereby reducing the adjustment time and difficulty during the installation process.

[0010] Furthermore, two groups of sliding blocks are symmetrically installed on the outer wall of the fixed rod, and multiple groups of transmission teeth are evenly spaced and installed on the outer wall of the sliding block, and the transmission teeth are meshed with the rotating gear.

[0011] By adopting the above technical solution, it is beneficial to synchronously drive the sliding blocks on both sides by rotating the gears, moving simultaneously, towards each other and at the same speed, and ensuring that the paper roll is pushed evenly from both sides at the same time, so that it is accurately located at the center of the winding roller, avoiding the deviation of the paper roll caused by unilateral force and improving the accuracy of positioning.

[0012] Furthermore, a plurality of movable grooves are provided at equal intervals on the inner wall of the rotating rod, and the extrusion block is slidably mounted on the inner wall of the second sliding groove.

[0013] By adopting the above technical solution, the setting of multiple groups of movable grooves ensures that the pressure can be evenly distributed on the circumference of the paper roll, reducing problems such as shaking and deviation of the paper roll during the winding process, thereby improving the winding quality.

[0014] Furthermore, a limit block is installed on the outer wall of the sliding block away from the rotating gear, and a torsion spring is installed at the connection between the limit block and the sliding block close to the rotating handle.

[0015] By adopting the above technical solution, the presence of the limit block can accurately position the paper roll, ensuring that the paper roll is located in the center of the winding roller, and the setting of the torsion spring ensures that the limit block does not affect the disassembly and installation of the paper roll.

[0016] Furthermore, a handle groove for fixing the rotating handle is provided at the end of the rotating rod, and a handle groove is correspondingly provided at the end of the winding roller.

[0017] By adopting the above technical solution, it is helpful to lock the rotating handle so that it will not move arbitrarily when the winding device is working, thereby preventing the work from being affected.

[0018] Furthermore, the rotating gear is located at the center of the rotating rod, and the width of the rotating groove corresponds to the rotation angle of the rotating rod.

[0019] By adopting the above technical solution, the sliding block is conducive to driving the limit block to move symmetrically, thereby ensuring that the paper roll is in the center position of the winding roller.

[0020] In summary, the present invention has the following beneficial effects:

[0021] The utility model is provided with a winding roller, a first sliding groove, a fixing rod, a rotating gear, a sliding block, a transmission tooth and a limit block, so that when a new paper roll is installed, it is only necessary to push the limit block, and the center positioning of the paper roll can be completed by the transmission force of the gear and the tooth, replacing the previous tedious process of manual repeated calibration and marking, saving operation time, improving replacement efficiency, and ensuring positioning accuracy. By providing a second sliding groove, a rotating rod, a movable groove, a squeezing block and a rotating handle, the staff only needs to twist the rotating handle to drive the squeezing block to slide outward, support the inner wall of the paper roll, complete the fixation of the paper roll, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the winding roller of the utility model;

[0024] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 For this utility model Figure 2 Enlarged view of point B in the middle;

[0026] Figure 5 This is a cross-sectional view of the winding roller of the utility model;

[0027] Figure 6 For this utility model Figure 5 Enlarged view of point C in the middle.

[0028] In the figure: 1. Device body; 2. Winding roller; 21. First sliding groove; 22. Second sliding groove; 3. Fixed rod; 4. Rotating rod; 41. Moving groove; 42. Extrusion block; 43. Rotating handle; 44. Rotating groove; 5. Rotating gear; 51. Sliding block; 52. Transmission teeth; 53. Limit block. DETAILED DESCRIPTION

[0029] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] The following describes an embodiment of the present invention based on its overall structure.

[0031] A protective film winding device to prevent loosening, such as Figure 1 - Figure 6 As shown, it includes a device body 1, a winding roller 2 is installed on the outer wall of the device body 1, and a first sliding groove 21 and a second sliding groove 22 are opened on the outer wall of the winding roller 2. The first sliding groove 21 and the second sliding groove 22 are symmetrically arranged, so that the force applied by the sliding block 51 and the extrusion block 42 to the winding roller 2 during operation can be evenly distributed, reducing the adjustment time and difficulty during the installation process. A fixed rod 3 is installed on the inner wall of the winding roller 2, and a sliding block 51 is slidably installed on the outer wall of the fixed rod 3, and a rotating rod 4 is installed on the inner wall of the fixed rod 3. A moving groove 41 is opened on the inner wall of the rotating rod 4, and an extrusion block 42 is installed on the inner wall of the moving groove 41. A rotating handle 43 is slidably installed on the end of the rotating rod 4. A handle groove is provided for fixing the rotating handle 43, and a handle groove is provided at the end of the winding roller 2, which is conducive to locking the rotating handle 43 so that it will not move at will when the winding device is working, thereby affecting the work. A rotating groove 44 is provided on the inner wall of the rotating rod 4, and a rotating gear 5 is installed on the inner wall of the rotating groove 44. A transmission tooth 52 is installed on the outer wall of the sliding block 51, and a limit block 53 is installed on the outer wall of the sliding block 51. The sliding blocks 51 on both sides are synchronously driven by the rotating gear 5 to move simultaneously, towards each other and at the same speed, thereby ensuring that the paper roll is pushed evenly from both sides at the same time, so that it is accurately located at the center of the winding roller 2, avoiding the deviation of the paper roll caused by unilateral force, and improving the accuracy of positioning.

[0032] See also Figure 1 - Figure 5 Two groups of first sliding grooves 21 corresponding to the sliding blocks 51 are symmetrically opened on the outer wall of the winding roller 2, and multiple groups of second sliding grooves 22 corresponding to the extrusion blocks 42 are symmetrically opened on the outer wall of the winding roller 2. The symmetrically arranged first sliding grooves 21 and second sliding grooves 22 enable the force applied by the sliding blocks 51 and the extrusion blocks 42 to the winding roller 2 during operation to be evenly distributed, reducing the adjustment time and difficulty during the installation process.

[0033] See also Figure 1 - Figure 5 Two sets of sliding blocks 51 are symmetrically installed on the outer wall of the fixed rod 3, and multiple sets of transmission teeth 52 are installed on the outer wall of the sliding blocks 51 at equal intervals, and the transmission teeth 52 are engaged with the rotating gear 5, which is conducive to synchronously driving the sliding blocks 51 on both sides through the rotating gear 5, moving simultaneously, towards each other and at the same speed, and can ensure that the paper roll is pushed evenly from both sides at the same time, so that it is accurately located at the center of the winding roller 2, avoiding the deviation of the paper roll caused by unilateral force, and improving the accuracy of positioning.

[0034] See also Figure 1 - Figure 6 The inner wall of the rotating rod 4 is provided with multiple sets of movable grooves 41 at equal intervals, and the extrusion block 42 is slidably installed on the inner wall of the second sliding groove 22. The setting of multiple sets of movable grooves 41 ensures that the pressure can be evenly distributed on the circumference of the paper roll, reducing the problems of shaking, deviation and other problems of the paper roll during the winding process, thereby improving the winding quality.

[0035] See also Figure 1 - Figure 5 A limit block 53 is installed on the outer wall of the sliding block 51 away from the rotating gear 5, and a torsion spring is installed at the connection between the limit block 53 and the sliding block 51 close to the rotating handle 43. The existence of the limit block 53 can accurately position the paper roll, ensuring that the paper roll is located at the center of the winding roller 2, and the setting of the torsion spring ensures that the limit block 53 will not affect the disassembly and installation of the paper roll.

[0036] See also Figure 1 - Figure 4 A handle groove for fixing the rotating handle 43 is opened at the end of the rotating rod 4, and a handle groove is opened at the end of the winding roller 2, which is conducive to locking the rotating handle 43 so that it will not move arbitrarily when the winding device is working, affecting the work.

[0037] See also Figure 1 - Figure 5 The rotating gear 5 is located at the center of the rotating rod 4, and the width of the rotating groove 44 corresponds to the rotation angle of the rotating rod 4, which is conducive to the sliding block 51 driving the limit block 53 to move symmetrically, ensuring that the paper roll is in the center position of the winding roller 2.

[0038] The working principle of the present invention is as follows: when it is necessary to replace the paper roll in the protective film winding device to prevent loosening, first slide the rotating handle 43 to disengage it from the handle groove opened at the end of the rotating rod 4 and allow it to rotate freely. Turn the rotating handle 43 to drive the rotating rod 4 to rotate, and the rotating groove 44 opened on the inner wall of the rotating rod 4 will squeeze the squeezing block 42 to make it away from the inner wall of the paper roll, releasing the fixation of the paper roll. Then push the limiting block 53 to make it away from the paper roll, release the positioning of the paper roll, press the limiting block 53 so that its outer wall is close to the outer wall of the sliding block 51, providing space for the paper roll to be taken out, effectively avoiding potential problems such as paper roll damage and accidental contact of equipment components due to cramped space, ensuring the integrity of the equipment and materials. After manually taking out the paper roll, put the paper roll to be replaced into the winding roller 2, and the limiting block 53 with a torsion spring installed at the connection position will automatically rotate when it is squeezed by the outer wall of the paper roll. , to avoid obstructing the entry of the paper roll, after manually placing the paper roll roughly in the center position of the winding roller 2, push the limit block 53 close to the paper roll, and the limit block 53 will drive the sliding block 51 to slide along the first sliding groove 21, and the transmission teeth 52 installed on the outer wall of the sliding block 51, which are engaged with the rotating gear 5, will drive the two sets of sliding blocks 51 to move synchronously towards each other through the rotating gear 5, clamping the paper roll and ensuring that it can be located in the center position, eliminating the traditional manual alignment steps, improving work efficiency, and improving positioning accuracy. Subsequently, the rotating handle 43 is rotated to drive the rotating rod 4 to rotate, and the rotating groove 44 provided on the inner wall of the rotating rod 4 will squeeze the squeezing block 42, so that it passes through the second sliding groove 22 and is close to the inner wall of the paper roll, completing the fixation of the paper roll, firmly fixing it, ensuring stable winding quality, and reducing undesirable phenomena such as loose winding and wrinkles caused by defects in paper roll installation.

[0039] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A protective film winding device for preventing loosening, comprising a device body (1), characterized in that: The outer wall of the device body (1) is provided with a winding roller (2), and the outer wall of the winding roller (2) is provided with a first sliding groove (21) and a second sliding groove (22); the inner wall of the winding roller (2) is provided with a fixed rod (3), and the outer wall of the fixed rod (3) is provided with a sliding block (51) for sliding installation; the inner wall of the fixed rod (3) is provided with a rotating rod (4); the inner wall of the rotating rod (4) is provided with a moving groove (41), and the inner wall of the moving groove (41) is provided with an extrusion block (42); the end of the rotating rod (4) is provided with a rotating handle (43) for sliding installation, and the inner wall of the rotating rod (4) is provided with a rotating groove (44); the inner wall of the rotating groove (44) is provided with a rotating gear (5); the outer wall of the sliding block (51) is provided with a transmission tooth (52), and the outer wall of the sliding block (51) is provided with a limiting block (53).

2. The protective film winding device for preventing loosening according to claim 1, characterized in that: The outer wall of the winding roller (2) is symmetrically provided with two groups of first sliding grooves (21) corresponding to the sliding blocks (51), and the outer wall of the winding roller (2) is symmetrically provided with multiple groups of second sliding grooves (22) corresponding to the extrusion blocks (42).

3. The protective film winding device for preventing loosening according to claim 1, characterized in that: Two groups of sliding blocks (51) are symmetrically mounted on the outer wall of the fixed rod (3), and multiple groups of transmission teeth (52) are evenly spaced and mounted on the outer wall of the sliding blocks (51), and the transmission teeth (52) are meshed with the rotating gear (5).

4. The protective film winding device for preventing loosening according to claim 1, characterized in that: The inner wall of the rotating rod (4) is provided with a plurality of groups of movable grooves (41) at equal intervals, and the extrusion block (42) is slidably mounted on the inner wall of the second sliding groove (22).

5. The protective film winding device for preventing loosening according to claim 1, characterized in that: A limit block (53) is installed on the outer wall of the sliding block (51) away from the rotating gear (5), and a torsion spring is installed at the connection between the limit block (53) and the sliding block (51) close to the rotating handle (43).

6. The protective film winding device for preventing loosening according to claim 1, characterized in that: The end of the rotating rod (4) is provided with a handle groove for fixing the rotating handle (43), and the end of the winding roller (2) is correspondingly provided with a handle groove.

7. The protective film winding device for preventing loosening according to claim 1, characterized in that: The rotating gear (5) is located at the center of the rotating rod (4), and the width of the rotating groove (44) corresponds to the rotation angle of the rotating rod (4).

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