Rotating speed control assembly, unwinding mechanism and film pasting device

Abstract

The invention discloses a rotating speed control assembly, an unwinding mechanism and a film pasting device, and relates to the technical field of film pasting devices.The rotating speed control assembly is applied to a roll shaft and comprises a first magnetic part, an adjusting part and a second magnetic part, and the roll shaft is sleeved with the first magnetic part; the adjusting piece is arranged above the roller shaft; the second magnetic piece is located above the first magnetic piece and is in transmission connection with the adjusting piece. The adjusting piece can drive the second magnetic piece to get close to or get away from the first magnetic piece; and the first magnetic piece and the second magnetic piece are mutually diamagnetic.

Description

Technical Field

[0001] The present invention relates to the technical field of film sticking devices, and in particular to a rotation speed control component, an unwinding mechanism and a film sticking device. Background Art

[0002] In modern industrial production, film laminating devices are widely used in the surface protection process of products, especially in the electronics, automotive parts and other industries.

[0003] In existing film laminating processes, the film unwinding process is a key step influencing film laminating quality. Traditional film laminating devices typically use a simple unwinding mechanism with poorly controlled unwinding speed, further affecting the flatness and precision of the film, resulting in low production efficiency. Summary of the Invention

[0004] The main purpose of the present invention is to provide a speed control component, an unwinding mechanism and a film laminating device, aiming to solve the technical problem that the unwinding mechanism in the related art has poor control over the unwinding speed.

[0005] To achieve the above objectives, the present invention proposes a speed control assembly, which is applied to a roller shaft, and the speed control assembly includes:

[0006] a first magnetic member, wherein the first magnetic member is sleeved on the roller shaft;

[0007] an adjusting member, the adjusting member being arranged above the roller shaft;

[0008] The second magnetic member is located above the first magnetic member and is in transmission connection with the adjusting member; the adjusting member can drive the second magnetic member to move closer to or away from the first magnetic member; the first magnetic member and the second magnetic member are mutually oppositely magnetic.

[0009] The present invention further provides an unwinding mechanism, comprising:

[0010] An unwinding frame, wherein the unwinding frame is provided with a roller;

[0011] As described above, the speed control assembly has a partial structure which is sleeved on one end of the roller shaft, and another partial structure which is arranged on the unwinding frame.

[0012] The present invention further provides a film-sticking device, comprising:

[0013] Chassis;

[0014] The unwinding mechanism as described above is arranged in the chassis;

[0015] Film pulling mechanism; the film pulling mechanism is arranged at the film outlet of the chassis and is arranged close to the unwinding mechanism;

[0016] A film cutting mechanism is arranged in the chassis. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0018] Figure 1 A schematic structural diagram of the film-sticking device provided by the present invention;

[0019] Figure 2 A schematic structural diagram of the unwinding mechanism provided by the present invention;

[0020] Figure 3 A cross-sectional structural diagram of the unwinding mechanism provided by the present invention;

[0021] Figure 4 for Figure 3 A partial enlarged view of point A in the middle;

[0022] Figure 5 for Figure 3 A partial enlarged view of point B in the middle;

[0023] Figure 6 A schematic structural diagram of the film pulling mechanism provided by the present invention;

[0024] Figure 7 A schematic structural diagram of the film cutting mechanism provided by the present invention;

[0025] Figure 8 This is a structural schematic diagram of the feeding mechanism provided by the present invention.

[0026] Description of Figure Numbers:

[0027] 100. Speed ​​control assembly; 1. First magnetic member; 2. Adjusting member; 2a. Fixed portion; 2b. Movable portion; 2c. Rotating portion; 3. Second magnetic member;

[0028] 200, unwinding mechanism; 210, unwinding frame; 220, roller; 221, fixing member; 221a, groove; 230, pressing assembly; 231, pressing portion; 232, main body; 233, first elastic member; 234, second elastic member;

[0029] 300, film-sticking device; 310, chassis; 320, film-pulling mechanism; 321, first driving member; 322, first clamping arm; 323, second clamping arm; 324, first synchronous wheel set; 325, second synchronous wheel set; 326, synchronous shaft; 330, film-cutting mechanism; 331, bracket; 332, second driving member; 333, film-cutting member; 334, buffer member; 340, feeding mechanism; 341, third driving member; 342, jig; 343, detection member.

[0030] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] The present invention provides a rotation speed control assembly 100 .

[0035] See also Figures 2 to 4In one embodiment of the present invention, the speed control component 100 is applied to the roller shaft, and the speed control component 100 includes a first magnetic component 1, an adjusting component 2 and a second magnetic component 3. The first magnetic component 1 is sleeved on the roller shaft; the adjusting component 2 is arranged above the roller shaft; the second magnetic component 3 is located above the first magnetic component 1 and is transmission-connected to the adjusting component 2; the adjusting component 2 can drive the second magnetic component 3 to move closer to or away from the first magnetic component 1; the first magnetic component 1 and the second magnetic component 3 are mutually reverse magnetic.

[0036] In this embodiment, it should be noted that the speed control assembly 100 can be applied to the roller 220, including but not limited to the unwinding mechanism 200, and can also be applied to other structures requiring speed control. The following example uses the first magnetic member 1 having an S-pole magnetism and the second magnetic member 3 having an N-pole magnetism. The first magnetic member 1 may take forms including but not limited to a magnetic ring, a magnetic shaft, etc., while the second magnetic member 3 may take forms including but not limited to a magnetic rod, a magnetic block, etc. The first magnetic member 1 is attached to the roller via a magnetic ring, and the second magnetic member 3 may be attached to one end of the adjusting member 2 via a bolt connection or other means. The types of the first and second magnetic members 1, 3, include but are not limited to permanent magnets, electromagnets, etc., and are not limited herein. It is understood that the adjusting member 2 is used to adjust the distance between the second magnetic member 3 and the first magnetic member 1, thereby adjusting the rotational speed of the roller. When the second magnetic member 3 approaches the first magnetic member 1, the magnetic force increases, enhancing the damping effect on the roller, thereby slowing the roller's rotational speed. Conversely, when the second magnetic member 3 moves away from the first magnetic member 1, the magnetic force decreases, accelerating the roller's rotational speed. Specifically, the implementation method of the adjusting member 2 driving the second magnetic member 3 toward or away from the first magnetic member 1 includes but is not limited to electric adjustment, manual adjustment, pneumatic adjustment, etc. In one embodiment, the adjusting member 2 is in the form of an electric motor, and the second magnetic member 3 is driven to move axially by the rotation of the motor. In another embodiment, the adjusting member 2 is in the form of a cylinder, and the second magnetic member 3 is driven to move axially by the expansion and contraction of the cylinder. The above-mentioned setting method can accurately control the magnitude of the magnetic force between the second magnetic member 3 and the first magnetic member 1 by adjusting the distance between the two, thereby achieving control of the rotation speed of the roller.

[0037] The speed control component 100 provided by the present invention can solve the problem that the speed of the roller is difficult to control accurately by adopting a combination design of a first magnetic part 1, an adjusting part 2 and a second magnetic part 3. Specifically, the first magnetic part 1 is sleeved on the roller, the second magnetic part 3 is located above the first magnetic part 1 and is connected to the adjusting part 2 in a transmission manner, and the adjusting part 2 can drive the second magnetic part 3 toward or away from the first magnetic part 1, and the first magnetic part 1 and the second magnetic part 3 are mutually reverse magnetic. When the adjusting part 2 drives the second magnetic part 3 to approach the first magnetic part 1, the magnetic force between the two is enhanced, thereby generating greater resistance to the rotation of the roller, thereby achieving the effect of reducing the speed of the roller; conversely, when the adjusting part 2 drives the second magnetic part 3 away from the first magnetic part 1, the magnetic force is weakened and the speed of the roller is increased. This design can flexibly adjust the speed of the roller according to actual needs to achieve precise control. The above setting method uses the adjustability of magnetic force to achieve precise control of the roller shaft speed without the need for complex mechanical transmission devices. It has a simple structure, easy operation, and fast response speed. It can effectively improve the stability and controllability of the roller shaft operation and is suitable for a variety of roller shaft application scenarios that require precise speed control.

[0038] In one embodiment of the present invention, the adjusting member 2 includes a fixed portion 2a, a movable portion 2b and a rotating portion 2c. The fixed portion 2a is arranged above the roller shaft, the movable portion 2b can be movably arranged on the fixed portion 2a, and a second magnetic member 3 is provided at one end of the movable portion 2b away from the fixed portion 2a. The rotating portion 2c is arranged through the movable portion 2b. The rotating portion 2c can rotate and drive the movable portion 2b along the extension direction of the fixed portion 2a, and drive the second magnetic member 3 to approach or move away from the first magnetic member 1.

[0039] In this embodiment, combined with Figure 2 and Figure 4 , the fixed part 2a is used to be fixed on the bracket or plate where the roller is located, providing stable support and guidance for the movable part 2b. The fixed part 2a can be fixed on the bracket or plate where the roller is located by bolt connection, snap connection, etc. A second magnetic part 3 is provided at one end of the movable part 2b, and the distance between the second magnetic part 3 and the first magnetic part 1 is changed by movement, thereby adjusting the size of the magnetic force. The rotating part 2c is used to provide power, thereby realizing the control of the position of the movable part 2b, thereby adjusting the size of the magnetic force. It can be understood that, combined with Figure 4 The fixed part 2a is provided with a groove, the movable part 2b is in the form of a guide block, the rotating part 2c is in the form of a rotating shaft and a handle, the handle is connected to the rotating shaft, and the rotating shaft is similar to the form of a screw rod, which can drive the guide block to move along the groove of the fixed part 2a by forward and reverse rotation, and the second magnetic part 3 can be set at one end of the movable part 2b by bolt connection, snap connection, etc.

[0040] The present invention further provides an unwinding mechanism 200, which includes an unwinding frame 210 and the aforementioned speed control assembly 100. The specific structure of the speed control assembly 100 is similar to the above-mentioned embodiments. Since the present unwinding mechanism 200 utilizes all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought about by the technical solutions of the above-mentioned embodiments, which will not be described in detail here. Specifically, the unwinding frame 210 is provided with a roller 220; a portion of the speed control assembly 100 is sleeved on one end of the roller 220, and another portion of the speed control assembly 100 is provided on the unwinding frame 210.

[0041] In this embodiment, it can be understood that the unwinding frame 210 is used to support and fix the roller 220, part of the structure of the speed control component 100 is sleeved on one end of the roller 220, and the other part of the structure of the speed control component 100 is arranged on the unwinding frame 210. Figure 2 、 Figure 3 as well as Figure 4 It should be noted that the first magnetic member 1 is sleeved on the roller shaft 220 of the unwinding frame 210. The first magnetic member 1 may be in the form of a magnetic ring or a magnet. In one embodiment, the first magnetic member 1 is in the form of a magnetic ring, which is sleeved on one end of the roller shaft 220. In another embodiment, the first magnetic member 1 may also be in the form of a magnet, and a groove is defined at one end of the roller shaft 220. The magnet can be retained in the groove by bonding, clamping, or other methods. The adjusting member 2 can be fixed to the unwinding frame 210 by bolting, clamping, welding, or other methods.

[0042] In one embodiment of the present invention, the unwinding mechanism 200 further includes a clamping assembly 230 . The roller 220 is sleeved with a fixing member 221 . The clamping assembly 230 is sleeved on the roller 220 . The fixing member 221 is snap-connected to the clamping assembly 230 .

[0043] In this embodiment, combined with Figure 2 and Figure 3 , the clamping assembly 230 is used to apply a certain amount of pressure to tightly fix the material roll on the roller 220. The fixing part 221 is used to ensure that the clamping assembly 230 can act on the material roll accurately. It should be noted that the implementation method of the snap connection between the fixing part 221 and the clamping assembly 230 is not limited. In one embodiment, a snap ring is designed on the fixing part 221, and a snap matching it is designed on the clamping assembly 230. The connection between the clamping assembly 230 and the fixing part 221 is achieved by the engagement of the snap ring and the snap ring. In another embodiment, magnetic materials are respectively installed on the fixing part 221 and the clamping assembly 230, and the connection is achieved by magnetic attraction. This structure can quickly complete installation and disassembly.

[0044] In one embodiment of the present invention, the clamping assembly 230 includes a clamping portion 231, a main body 232 and a first elastic member 233. The clamping portion 231 is rotatably connected to the main body 232. The first elastic member 233 is located between the clamping portion 231 and the main body 232. The fixing member 221 is provided with a groove 221a, and the clamping portion 231 abuts against the peripheral wall of the groove 221a.

[0045] In this embodiment, combined with Figure 5 It should be noted that by pressing the pressing portion 231, the main body 232 is further extended into the fixing member 221, and the force applied to the pressing portion 231 is released. At this time, the pressing portion 231 abuts against the peripheral wall of the groove 221a, thereby achieving the connection between the pressing assembly 230 and the fixing member 221. The first elastic member 233 is used to provide a buffer and provides a pressing force through elastic deformation. When the pressing portion 231 is pressed, the first elastic member 233 is compressed, and the pressing portion 231 can move toward the fixing member 221 under the action of an external force. When the pressing portion 231 approaches the fixing member 221, the force applied to the pressing portion 231 is released. Under the elastic force of the first elastic member 233, the pressing portion 231 is subjected to the rebound force of the first elastic member 233 and abuts against the peripheral wall of the groove 221a, thereby achieving the connection between the pressing assembly 230 and the fixing member 221. It is understood that the first elastic member 233 is in the form of a spring, and its two ends can be connected to the main body 232 and the pressing portion 231 respectively by bonding, welding, or other methods. One end of the pressing portion 231 is sleeved on a rotating shaft that passes through the main body 232, thereby rotatably connecting the pressing portion 231 to the main body 232. The shape and size of the groove 221a are compatible with the shape of the pressing portion 231, thereby ensuring that the pressing portion 231 can be better retained within the groove 221a.

[0046] In one embodiment of the present invention, the clamping assembly 230 also includes a second elastic member 234, which is sleeved on the outer wall of the main body 232, one end of the second elastic member 234 abuts against the clamping portion 231, and the other end of the second elastic member 234 abuts against the fixing member 221.

[0047] In this embodiment, combined with Figure 5 To further enhance the pre-compression effect, a second elastic member 234 is sleeved onto the outer wall of the main body 232. The second elastic member 234 can be a spring or a rubber spring. The ends of the second elastic member 234 can be connected to the pressing portion 231 and the fixing member 221, respectively, by bonding, welding, or other methods, which are not limited here.

[0048] The present invention further provides a film laminating device 300, comprising a chassis 310, the unwinding mechanism 200 described above, a film pulling mechanism 320, and a film cutting mechanism 330. The specific structure of the unwinding mechanism 200 is similar to that of the aforementioned embodiments. Since the present film laminating device 300 utilizes all the technical solutions of all the aforementioned embodiments, it at least possesses all the beneficial effects brought about by the technical solutions of the aforementioned embodiments, and therefore will not be further described here. Specifically, the unwinding mechanism 200 is disposed within the chassis 310; the film pulling mechanism 320 is disposed at the film outlet of the chassis 310 and is positioned near the unwinding mechanism 200; and the film cutting mechanism 330 is disposed within the chassis 310.

[0049] In this embodiment, combined with Figure 1 It can be understood that the film laminating device 300 can be used to perform film laminating processing for scenarios such as electronic products and the automotive industry. The chassis 310 is used to support the entire film laminating device 300 and provide an installation and support platform for other components such as the unwinding mechanism 200 and the damping assembly. The chassis 310 is also provided with an upper cover (not shown in the figure) to protect the entire device. The unwinding mechanism 200 is used to support and fix the material roll, which includes a whole film assembly, a film pressing assembly, etc. The whole film assembly is used to flatten the film material and is arranged below the unwinding stand 210. The film pressing assembly is used to tightly fit the flattened film material to the surface of the target object, which will not be elaborated here. The unwinding stand 210 is used to provide a stable unwinding platform, and the damping assembly is used to control the unwinding speed, adjust the tension, etc. The film pulling mechanism 320 is used to guide the material and control the tension; the film cutting mechanism 330 is used to cut the material. Combined with Figure 2 It should be noted that the unwinding frame 210 is vertically arranged on the chassis 310. The unwinding frame 210 can be connected to the chassis 310 by setting a bottom plate, and can also be directly connected to the chassis 310 by bolt connection, clamping, etc. The film pulling mechanism 320 and the film cutting mechanism 330 can be connected to the chassis 310 by bolt connection, clamping, etc. The film laminating device 300 provided by the present invention can solve the problem of unstable film unwinding speed during the film laminating process by adopting the unwinding frame 210 and the speed control component 100 in the unwinding mechanism 200. Specifically, the unwinding frame 210 is used to support and unwind the material roll, and the speed control component 100 is sleeved on one end of the roller 220 of the unwinding frame 210, which can effectively limit the rotation speed of the roller 220, thereby ensuring that the speed of the film during the unwinding process is uniform and controllable. The unwinding rack 210 provides stable support and an unwinding path for the film, and the speed control component 100, through its braking action, avoids problems such as film stretching deformation or unwinding disorder caused by excessive rotation of the roller 220, thereby improving the accuracy and quality of the film and enhancing the reliability and stability of the film-laminating device 300.

[0050] In one embodiment of the present invention, the film pulling mechanism 320 includes a first driving member 321, a first clamping arm 322 movably provided on the chassis 310, and a second clamping arm 323 movably provided on the chassis 310. The first clamping arm 322 and the second clamping arm 323 are arranged opposite to each other, and the first driving member 321 is respectively connected to the first clamping arm 322 and the second clamping arm 323 in transmission.

[0051] In this embodiment, in order to achieve stable clamping and precise pulling of the material roll, a first clamping arm 322, a second clamping arm 323 and a first driving member 321 are provided to ensure that the material roll can be stably transferred from the unwinding mechanism 200 to the subsequent processing structure. Figure 6 It is understood that the type of the first driving member 321 includes but is not limited to a motor, a cylinder, etc., and the type of the motor includes but is not limited to a stepping motor, a servo motor, etc., which provides power for the movement of the first clamping arm 322 and the second clamping arm 323. The manner in which the first driving member 321 is connected to the first clamping arm 322 and the second clamping arm 323 respectively includes but is not limited to a belt drive, a screw drive, a chain drive, etc., which are not limited here. In one embodiment, the first driving member 321 transmits power to the first clamping arm 322 and the second clamping arm 323 through a gear set, and the first clamping arm 322 and the second clamping arm 323 are respectively slidably connected to the chassis 310. In another embodiment, the first driving member 321 transmits power to the first clamping arm 322 and the second clamping arm 323 through a screw, driving them to move along the guide rails in the chassis 310.

[0052] In one embodiment of the present invention, the film pulling mechanism 320 also includes a first synchronous wheel group 324, a second synchronous wheel group 325 and a synchronous shaft 326. The first driving member 321 is transmission-connected to the synchronous gear sleeved on the synchronous shaft 326. The first synchronous wheel group 324 and the second synchronous wheel group 325 are both sleeved on the synchronous shaft 326 and rotate coaxially with the synchronous shaft 326. The first clamping arm 322 is connected to the first synchronous wheel group 324, and the second clamping arm 323 is connected to the second synchronous wheel group 325.

[0053] In this embodiment, combined with Figure 6The first synchronous wheel set 324 and the second synchronous wheel set 325 are respectively connected to the first clamping arm 322 and the second clamping arm 323, and realize synchronous rotation through the synchronous shaft 326. The type of the first driving member 321 is a motor, including but not limited to a stepping motor, a servo motor, etc. The driving end of the first driving member 321 is provided with a gear, which meshes with the synchronous gear of the synchronous shaft 326 through the gear. In order to achieve the synchronous movement of the first clamping arm 322 and the second clamping arm 323, the first clamping arm 322 is connected to the first synchronous gear set 324, and the second clamping arm 323 is connected to the second synchronous gear set 325. One of the first synchronous gears of the first synchronous gear set 324 is sleeved on one end of the synchronous shaft 326, and one of the second synchronous gears of the second synchronous gear set 325 is sleeved on the other end of the synchronous shaft 326. In this way, when the first driving member 321 drives the synchronous shaft 326 to rotate, the first synchronous gear set 324 and the second synchronous gear set 325 can also rotate accordingly, further causing the first synchronous belt of the first synchronous gear set 324 and the second synchronous belt of the second synchronous gear set 325 to rotate accordingly. The first clamping arm 322 is sleeved on the first synchronous belt, and the second clamping arm 323 is sleeved on the second synchronous belt, so that the first clamping arm 322 and the second clamping arm 323 can move synchronously. The following uses the connection between the first clamping arm 322 and the first synchronous belt as an example, and the connection between the second clamping arm 323 and the second synchronous belt is similarly described. A connecting block is provided at one end of the first clamping arm 322, and a mating block is sleeved onto the first synchronous belt to connect to the connecting block. The connection between the connecting block and the mating block includes, but is not limited to, a snap-fit ​​connection, a bolt connection, and other methods.

[0054] In one embodiment of the present invention, the film cutting mechanism 330 includes a bracket 331, a second driving member 332, and a buffer member 334. The bracket 331 is disposed on the chassis 310, the second driving member 332 is disposed at one end of the bracket 331, and the buffer member 334 is transmission-connected to the second driving member 332.

[0055] In this embodiment, combined with Figure 7 It should be noted that the bracket 331 is used to provide stable support for the buffer 334 and the second drive member 332, so as to ensure the stability of the film cutting process. The types of the second drive member 332 include but are not limited to motors, cylinders or hydraulic cylinders. The driving end of the second drive member 332 is provided with a screw, and one end of the buffer 334 is provided with a screw nut. The screw nut is threadedly connected to the screw, so that the second drive member 332 can drive the buffer 334 up and down. The types of the buffer 334 include but are not limited to flexible materials such as sponge and rubber, which are not limited here. It can be understood that the film cutting mechanism 330 here also includes a film cutting member 333, which is arranged at one end of the bracket 331 away from the second drive member 332. The film cutting member 333 is used to cut the material roll, such as a blade, etc., which will not be elaborated here.

[0056] In one embodiment of the present invention, the film laminating device 300 also includes a loading mechanism 340, which includes a third driving member 341, a jig 342 and a detection member 343. The third driving member 341 is arranged on the chassis 310, and the jig 342 is movably arranged on the chassis 310. The jig 342 is transmission-connected to the third driving member 341. The detection member 343 is arranged at one end of the jig 342 and is configured to detect whether the jig 342 is in place.

[0057] Combine Figure 8 It should be noted that the third drive member 341 is used to drive the jig 342 to move and secure the roll. The third drive member 341 may be, but is not limited to, a motor or a cylinder, with a cylinder being preferred. The detection member 343 may be, but is not limited to, a photoelectric sensor or a proximity switch. It can be mounted on one end of the jig 342 via bolts, a snap-on connection, or other means to detect whether the jig 342 is in place. The jig 342 is slidably connected to the chassis 310. Specifically, two guide rails are provided on opposite sides of the chassis 310, and a slider is provided below the jig 342. The slider is slidably connected to the two guide rails to enable movement of the jig 342. To further ensure accurate positioning of the jig 342, a buffer is provided at each end of the chassis 310, along both directions of the jig's movement. These buffers effectively absorb the impact and vibration generated by the movement of the jig 342, reducing damage to the chassis 310 and internal components of the device, thereby extending the device's service life. At the same time, the buffer can also ensure that the jig 342 decelerates smoothly when reaching both ends of the chassis 310 , avoiding position deviation caused by sudden stops, thereby improving the positioning accuracy of the jig 342 .

[0058] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformation made by utilizing the contents of the present invention's description and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A speed control assembly, applied to a roller shaft, characterized in that: The speed control component includes: a first magnetic member, wherein the first magnetic member is sleeved on the roller shaft; an adjusting member, the adjusting member being arranged above the roller shaft; The second magnetic member is located above the first magnetic member and is in transmission connection with the adjusting member; the adjusting member can drive the second magnetic member to move closer to or away from the first magnetic member; the first magnetic member and the second magnetic member are mutually oppositely magnetic.

2. The speed control assembly according to claim 1, wherein: The adjusting part includes a fixed part, a movable part and a rotating part. The fixed part is arranged above the roller shaft, the movable part is movably arranged on the fixed part, the second magnetic part is provided at the end of the movable part away from the fixed part, the rotating part is arranged through the movable part, the rotating part can rotate and drive the movable part along the extension direction of the fixed part, and drive the second magnetic part to approach or move away from the first magnetic part.

3. A reeling mechanism, characterized in that: The unwinding mechanism comprises: An unwinding frame, wherein the unwinding frame is provided with a roller; The speed control assembly according to any one of claims 1 to 2, wherein a portion of the structure of the speed control assembly is sleeved on one end of the roller shaft, and another portion of the structure of the speed control assembly is provided on the unwinding frame.

4. The unwinding mechanism according to claim 3, characterized in that: The unwinding mechanism further comprises a pressing assembly, the roller shaft is sleeved with a fixing piece, the pressing assembly is sleeved on the roller shaft, and the fixing piece is snap-connected to the pressing assembly.

5. The unwinding mechanism according to claim 4, characterized in that: The clamping assembly includes a clamping part, a main body and a first elastic member. The clamping part is rotatably connected to the main body. The first elastic member is located between the clamping part and the main body. The fixing member is provided with a groove, and the clamping part abuts against the peripheral wall of the groove.

6. The unwinding mechanism according to claim 5, characterized in that: The pressing assembly further includes a second elastic member, which is sleeved on the main body, one end of the second elastic member abuts against the pressing portion, and the other end of the second elastic member abuts against the fixing member.

7. A film-sticking device, characterized in that: The film sticking device comprises: Chassis; The unwinding mechanism according to any one of claims 3 to 6, wherein the unwinding mechanism is arranged in the chassis; Film pulling mechanism; the film pulling mechanism is arranged at the film outlet of the chassis and is arranged close to the unwinding mechanism; A film cutting mechanism is arranged in the chassis.

8. The film sticking device according to claim 7, characterized in that: The film pulling mechanism includes a first driving member, a first clamping arm movably provided on the chassis, and a second clamping arm movably provided on the chassis. The first clamping arm and the second clamping arm are arranged opposite to each other, and the first driving member is respectively connected to the first clamping arm and the second clamping arm.

9. The film sticking device according to claim 8, characterized in that: The film pulling mechanism also includes a first synchronous wheel group, a second synchronous wheel group and a synchronous shaft. The first driving member is connected to the synchronous gear sleeved on the synchronous shaft. The first synchronous wheel group and the second synchronous wheel group are both sleeved on the synchronous shaft and rotate coaxially with the synchronous shaft. The first clamping arm is connected to the first synchronous wheel group, and the second clamping arm is connected to the second synchronous wheel group.

10. The film sticking device according to claim 7, characterized in that: The film cutting mechanism includes a bracket, a second driving member and a buffer member, wherein the bracket is arranged on the chassis, the second driving member is arranged at one end of the bracket, and the buffer member is transmission-connected to the second driving member; Alternatively, the film-laminating device further includes a loading mechanism, which includes a third driving member, a jig, and a detection member. The third driving member is disposed on the chassis, the jig can be movably disposed on the chassis, the jig is transmission-connected to the third driving member, and the detection member is disposed at one end of the jig and is configured to detect whether the jig is in place.

Images