Shading adhesive tape winding mechanism

Abstract

The shading adhesive tape winding mechanism comprises a frame body, one side of the frame body is rotationally connected with an air expansion shaft, the circumferential outer wall of the air expansion shaft is in key connection with a fourth belt wheel, a rotating shaft is rotationally connected into the frame body, and containing grooves are formed in the two sides of the frame body. And the two ends of the rotating shaft extend into the two containing grooves correspondingly, the circumferential outer wall of the rotating shaft is in key connection with a third belt wheel, and a second synchronous belt is connected between the third belt wheel and the fourth belt wheel in a wound mode. The adhesive tape winding mechanism not only can prevent the wound adhesive tape from being larger and larger to cause tensile deformation of the adhesive tape and improve the winding safety of the adhesive tape, but also can enable the air expansion shaft to wind the adhesive tape stably through a rotating shaft, improves the use effect of the winding mechanism, can adjust the rotating speed of the air expansion shaft according to the linear speed of the adhesive tape, and improves the winding efficiency of the adhesive tape. And therefore, stable winding of the adhesive tape can be ensured, and the use stability of the winding mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of light-shielding tape winding, in particular to a light-shielding tape winding mechanism. Background Art

[0002] Blackout tape is a black double-sided tape that is attached between the screen and the backlight. One function of the blackout tape is to fix the screen and the backlight, and the other function is to block light. When the backlight is on, it ensures that there is no light leakage on the four sides of the screen.

[0003] When a traditional shading tape rewinding mechanism is rewinding, as the tape becomes larger and larger, the pulling force of the rewinding device on the tape also becomes larger and larger, which may cause the tape to be stretched and deformed during rewinding due to the tape being too large, thereby causing quality problems for the product. Summary of the invention

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a light-shielding tape winding mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The two wheels are connected with a third wheel on each side of the frame, and a lever is connected with the third wheel on each side to move the two wheels respectively.

[0007] As a further solution of the utility model, the driving assembly includes a screw rod, which is rotatably connected in the guide groove, the screw rod passes through the slider and is threadedly connected to the slider, the top end of the screw rod extends into the placement groove and is keyed to a second bevel gear, the circumferential outer wall of the rotating shaft is keyed to a first bevel gear at a position located in the placement groove, and the first bevel gear is meshed with the second bevel gear.

[0008] As a further solution of the utility model, the power assembly includes a motor, the motor is fixedly connected to one side of the frame, one end of the motor output shaft is keyed to the second pulley, one side of the frame is fixedly connected to a magnetic powder clutch, one end of the magnetic powder clutch input shaft is keyed to the first pulley, a first synchronous belt is wound around the first pulley and the second pulley, and one end of the magnetic powder clutch output shaft passes through the frame and is fixed to the pneumatic shaft.

[0009] As a further solution of the utility model, a fixing frame is fixedly connected to one side of the frame body to support the motor.

[0010] As a further solution of the utility model, the support assembly includes a second slide groove, which is opened on the top of the frame body, and the support frame is slidably connected in the second slide groove. A groove is opened on the top of the support frame, and the inflatable shaft is located in the groove.

[0011] As a further solution of the utility model, a spring is fixedly connected to a position on one side of the support frame located in the second slide groove, and the spring is fixed to the frame body.

[0012] As a further solution of the present invention, the frame is a U-shaped structure.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the movable setting of the rolling roller, the tape is passed around the rolling roller so that the rolling roller presses the tape and the tape is rolled up. During the rolling process, the rolling roller moves along the first slide groove, so that the position of the rolling roller can be changed, preventing the rolled tape from becoming larger and larger, causing the tape to stretch and deform, thereby improving the safety of tape rolling.

[0015] 2. By setting up the support assembly, the support assembly is used to support the inflatable shaft, so that the inflatable shaft remains in a horizontal state, reducing the force acting on the inflatable shaft, so that the inflatable shaft can stably rotate to reel in the tape, thereby improving the use effect of the reeling mechanism.

[0016] 3. Through the setting of the magnetic powder clutch, during the process of tape winding, the speed of the air shaft can be adjusted according to the linear speed of the tape through the magnetic powder clutch, thereby ensuring stable winding of the tape and improving the stability of the winding mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front-view stereoscopic structural diagram of a light-shielding tape winding mechanism proposed by the utility model;

[0018] Figure 2 This is a schematic cross-sectional structural diagram of a frame of a light-shielding tape winding mechanism proposed in the utility model;

[0019] Figure 3 The utility model is a partial cross-sectional structural schematic diagram of a light-shielding tape winding mechanism.

[0020] In the figure: 1. frame; 2. magnetic powder clutch; 3. first pulley; 4. first synchronous belt; 5. second pulley; 6. fixed frame; 7. air shaft; 8. first slide groove; 9. second synchronous belt; 10. first bevel gear; 11. second bevel gear; 12. third pulley; 13. slider; 14. screw rod; 15. rolling roller; 16. rotating shaft; 17. placement groove; 18. fourth pulley; 19. support frame; 20. second slide groove; 21. spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 3A shading tape winding mechanism includes a frame 1, one side of the frame 1 is rotatably connected to an inflatable shaft 7, the circumferential outer wall key of the inflatable shaft 7 is connected to a fourth pulley 18, the frame 1 is rotatably connected to a rotating shaft 16, both sides of the frame 1 are provided with placement grooves 17, the two ends of the rotating shaft 16 extend into the two placement grooves 17 respectively, the circumferential outer wall key of the rotating shaft 16 is connected to a third pulley 12, a second synchronous belt 9 is wound around the third pulley 12 and the fourth pulley 18, the bottom of the two placement grooves 17 are provided with guide grooves, a slider 13 is slidably connected in the guide groove, a driving component for driving the slider 13 to move is provided in the guide groove, both sides of the frame 1 are provided with a first slide groove 8 connected to the guide groove, a rolling roller 15 is rotatably connected between the two sliders 13, so that the rolling roller 15 moves along the groove direction of the first slide groove 8, and one side of the frame 1 A power component is provided to drive the air shaft 7 to rotate, and a supporting component is provided on the top of the frame 1 to support the air shaft 7. The paper roller for winding the tape is put on the air shaft 7, and the paper roller cannot move due to the expansion of the air shaft 7. Then the tape is wrapped around the rolling roller 15 and the rolling roller 15 presses the tape. Subsequently, the air shaft 7 is driven to rotate by the power component, so that the paper roller winds up the tape. During the rotation, the air shaft 7 drives the rotating shaft 16 to rotate through the third pulley 12, the fourth pulley 18 and the second synchronous belt 9, and drives the slider 13 to move upward in the guide groove through the driving component. The slider 13 drives the rolling roller 15 to move upward along the first slide groove 8, thereby changing the position of the rolling roller 15 to prevent the wound tape from becoming larger and larger, causing the tape to stretch and deform, thereby improving the safety of tape winding.

[0023] In the utility model, the driving assembly includes a screw rod 14, which is rotatably connected in the guide groove, and the screw rod 14 passes through the slider 13 and is threadedly connected to the slider 13. The top end of the screw rod 14 extends into the placement groove 17 and is keyed to the second bevel gear 11. The circumferential outer wall of the rotating shaft 16 is keyed to the position in the placement groove 17 and is connected to the first bevel gear 10, and the first bevel gear 10 is meshed with the second bevel gear 11. When the rotating shaft 16 rotates, it drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 11 to rotate, and the second bevel gear 11 drives the screw rod 14 to rotate. The screw rod 14 drives the slider 13 to move upward in the guide groove through the threaded meshing between the slider 13;

[0024] In particular, the power assembly includes a motor, which is fixed to one side of the frame 1 by bolts, one end of the motor output shaft is keyed to the second pulley 5, one side of the frame 1 is fixed with a magnetic powder clutch 2 by bolts, one end of the input shaft of the magnetic powder clutch 2 is keyed to the first pulley 3, a first synchronous belt 4 is wound around the first pulley 3 and the second pulley 5, one end of the output shaft of the magnetic powder clutch 2 passes through the frame 1 and is fixed to the air shaft 7, one side of the frame 1 is fixed with a fixing frame 6 by bolts, so that the motor is supported, the second pulley 5 is driven to rotate by the motor, the second pulley 5 drives the first pulley 3 to rotate through the first synchronous belt 4, the first pulley 3 drives the air shaft 7 to rotate through the magnetic powder clutch 2, and the speed of the air shaft 7 can be adjusted according to the linear speed of the tape through the magnetic powder clutch 2;

[0025] The support assembly includes a second slide groove 20, and the second slide groove 20 is opened at the top of the frame 1. A support frame 19 is slidably connected in the second slide groove 20. A groove is opened on the top of the support frame 19, and the inflatable shaft 7 is located in the groove. The support frame 19 is used to support the inflatable shaft 7, so as to ensure the stability of the rotation of the inflatable shaft 7. At the same time, since the support frame 19 can move along the second slide groove 20, it is convenient to remove the rolled tape on the inflatable shaft 7. A spring 21 is welded on one side of the support frame 19 located in the second slide groove 20, and the spring 21 is fixed to the frame 1. The frame 1 is a U-shaped structure.

[0026] Working principle: When it is needed, the paper roller for winding the tape is put on the air shaft 7, and the paper roller cannot move due to the expansion of the air shaft 7, then the support frame 19 is used to support the air shaft 7, and then the tape is passed around the rolling roller 15 and wound around the paper roller, so that the rolling roller 15 presses the tape tightly, and then the second pulley 5 is driven to rotate by the motor, and the second pulley 5 drives the first pulley 3 to rotate through the first synchronous belt 4, and the first pulley 3 drives the air shaft 7 to rotate through the magnetic powder clutch 2, so that the paper roller winds up the tape, and the rotation of the air shaft 7 will drive the fourth pulley 18 to rotate, and the fourth pulley 18 is driven by the second synchronous belt 9 The third pulley 12 is driven to rotate, the third pulley 12 drives the rotating shaft 16 to rotate, the rotating shaft 16 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 11 to rotate, the second bevel gear 11 drives the screw rod 14 to rotate, the screw rod 14 drives the slider 13 to move upward in the guide groove through the threaded engagement between the slider 13, the slider 13 drives the rolling roller 15 to move upward along the first slide groove 8, so that the position of the rolling roller 15 can be changed to prevent the wound tape from becoming larger and larger, causing the tape to stretch and deform, thereby improving the safety of the tape winding, and when the rolling roller 15 moves to the top of the first slide groove 8, the winding of a roll of tape is completed at this time.

[0027] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.

Claims

1. A light-shielding tape winding mechanism, comprising a frame (1), characterized in that: One side of the frame (1) is rotatably connected to an inflatable shaft (7), and the circumferential outer wall key of the inflatable shaft (7) is connected to a fourth pulley (18). The frame (1) is rotatably connected to a rotating shaft (16). Both sides of the frame (1) are provided with placement grooves (17). The two ends of the rotating shaft (16) extend into two of the placement grooves (17) respectively. The circumferential outer wall key of the rotating shaft (16) is connected to a third pulley (12). A second synchronous belt (9) is wound between the third pulley (12) and the fourth pulley (18). The two placement grooves ( A guide groove is provided at the bottom of each frame (17), a slider (13) is slidably connected in the guide groove, a driving component for driving the slider (13) to move is provided in the guide groove, first slide grooves (8) connected to the guide groove are provided on both sides of the frame (1), a rolling roller (15) is rotatably connected between the two sliders (13), so that the rolling roller (15) moves along the groove direction of the first slide groove (8), a power component for driving the inflatable shaft (7) to rotate is provided on one side of the frame (1), and a supporting component is provided on the top of the frame (1) so that the inflatable shaft (7) is supported.

2. A light-shielding tape winding mechanism according to claim 1, characterized in that: The drive assembly comprises a screw rod (14), the screw rod (14) being rotatably connected in the guide groove, the screw rod (14) passing through the slider (13) and being threadedly connected to the slider (13), the top end of the screw rod (14) extending into the placement groove (17) being key-connected with the second bevel gear (11), the circumferential outer wall of the rotating shaft (16) being key-connected with the first bevel gear (10) at a position located in the placement groove (17), and the first bevel gear (10) is meshed with the second bevel gear (11).

3. A light-shielding tape winding mechanism according to claim 1, characterized in that: The power assembly comprises a motor, the motor is fixedly connected to one side of a frame (1), one end of the motor output shaft is keyed to a second pulley (5), one side of the frame (1) is fixedly connected to a magnetic powder clutch (2), one end of the input shaft of the magnetic powder clutch (2) is keyed to a first pulley (3), a first synchronous belt (4) is wound between the first pulley (3) and the second pulley (5), and one end of the output shaft of the magnetic powder clutch (2) passes through the frame (1) and is fixed to an air shaft (7).

4. A light-shielding tape winding mechanism according to claim 3, characterized in that: A fixing frame (6) is fixedly connected to one side of the frame body (1) so as to support the motor.

5. A light-shielding tape winding mechanism according to claim 1, characterized in that: The support assembly comprises a second slide groove (20), the second slide groove (20) is provided at the top of the frame body (1), a support frame (19) is slidably connected in the second slide groove (20), a groove is provided at the top of the support frame (19), and the inflatable shaft (7) is located in the groove.

6. A light-shielding tape winding mechanism according to claim 5, characterized in that: A spring (21) is fixedly connected to a position on one side of the support frame (19) located in the second slide groove (20), and the spring (21) is fixed to the frame body (1).

7. A light-shielding tape winding mechanism according to claim 1, characterized in that: The frame (1) is a U-shaped structure.

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