PET film winding mechanism

Abstract

The utility model relates to a PET (Polyethylene Terephthalate) film winding mechanism. The winding device comprises a base and a winding roller, and is structurally characterized by further comprising a fixed bracket, a movable bracket and a driving device, the fixed bracket is fixed to the base, the movable bracket is arranged on the base in a sliding mode, the winding roller is erected on the fixed bracket, the winding roller is matched with the movable bracket, and the driving device is connected with the winding roller; the driving device comprises a driving motor, a driving gear, a driven gear, a transmission sleeve, a transmission shaft, a driving air cylinder and a driving frame, the driving frame is fixed to the base, the driven gear is fixed to the transmission sleeve, the transmission sleeve is rotationally arranged on the driving frame, the transmission shaft is arranged in the transmission sleeve in a sliding mode, and the driving air cylinder is arranged on the driving frame. One end of the transmission shaft is connected with the driving air cylinder, the other end of the transmission shaft is connected with the winding roller, the driven gear is meshed with the driving gear, and the driving gear is connected with the driving motor.

Description

Technical Field

[0001] This utility model relates to a PET film winding mechanism. Background Technology

[0002] After the PET film is processed, it needs to be wound up by a winding machine. During winding, the winding roller needs to be driven by a drive device. When replacing the winding roller, the drive device needs to be reconnected and reassembled with the winding roller, which is time-consuming and labor-intensive. At the same time, the current winding machine requires multiple people to work together to move the wound PET film off the winding machine. The manual handling has high labor costs and poses safety hazards. Utility Model Content

[0003] The purpose of this invention is to overcome the above-mentioned deficiencies in the prior art and to provide a PET film winding mechanism with a reasonable structural design.

[0004] The technical solution adopted by this utility model to solve the above problems is as follows: The PET film winding mechanism includes a base and a winding roller. Its structural features include a fixed bracket, a movable bracket, and a driving device. The fixed bracket is fixed to the base, the movable bracket is slidably mounted on the base, the winding roller is mounted on the fixed bracket and cooperates with the movable bracket, and the driving device is connected to the winding roller. The driving device includes a drive motor, a drive gear, a driven gear, a transmission sleeve, a transmission shaft, a drive cylinder, and a drive frame. The drive frame is fixed to the base, the driven gear is fixed to the transmission sleeve, the transmission sleeve is rotatably mounted on the drive frame, the transmission shaft is slidably mounted inside the transmission sleeve, one end of the transmission shaft is connected to the drive cylinder, and the other end of the transmission shaft is connected to the winding roller. The driven gear meshes with the drive gear, and the drive gear is connected to the drive motor.

[0005] Furthermore, one end of the drive shaft is provided with a push-pull groove, and the piston rod of the drive cylinder is provided with a push-pull ring, which is located in the push-pull groove.

[0006] Furthermore, a connecting block is provided at the other end of the drive shaft, and a connecting hole is provided on the take-up roller. The connecting block is located inside the connecting hole, and the connecting block and the connecting hole are arranged in a polygonal structure.

[0007] Furthermore, the inner wall of the transmission sleeve is provided with a guide groove, and the outer wall of the transmission shaft is provided with a guide block, the guide block being located within the guide groove.

[0008] Furthermore, the fixed bracket includes a fixed frame, a roller bracket, a roller body, and a limiting groove. The fixed frame is fixed on the base, the roller bracket is fixed on the fixed frame, the roller body is rotatably mounted on the roller bracket, the limiting groove is provided on the roller body, and a limiting ring is provided on the take-up roller, the limiting ring being located within the limiting groove.

[0009] Furthermore, the movable bracket includes a movable frame, a lifting frame, a lifting cylinder, and a slide rail. The lifting frame is slidably mounted on the movable frame. The cylinder of the lifting cylinder is fixed on the movable frame. The piston rod of the lifting cylinder is connected to the lifting frame. The lifting frame is in contact with the take-up roller. The slide rail is fixed to the bottom of the movable frame. A sliding groove is provided on the base, and the slide rail is located in the sliding groove.

[0010] Furthermore, a limit plate is provided on the take-up roller.

[0011] Compared with the prior art, the present invention has the following advantages: the winding roller in the PET film winding mechanism can realize the connection of the transmission sleeve, the transmission shaft and the winding roller through the drive cylinder pushing and pulling the transmission shaft. After winding is completed, it is convenient to replace the winding roller. After winding is completed, the winding roller can be lifted by the lifting frame. The winding roller can be moved out of the support roller frame by the drive moving frame. There is no need for manual handling of the winding roller, which reduces the input of labor costs and improves work efficiency and safety factor. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the PET film winding mechanism according to an embodiment of the present invention.

[0013] Figure 2 yes Figure 1 A magnified structural diagram of part A in the diagram.

[0014] Figure 3 This is a cross-sectional structural schematic diagram of the PET film winding mechanism according to an embodiment of the present invention.

[0015] Figure 4 yes Figure 3 A magnified structural diagram of part B in the diagram.

[0016] In the diagram: 1. Base; 2. Take-up roller; 3. Fixed bracket; 4. Moving bracket; 5. Drive unit.

[0017] Slide 11

[0018] Connecting hole 21, limiting ring 22, limiting plate 23

[0019] 31. Fixing frame; 32. Support roller frame; 33. Support roller body; 34. Limiting groove.

[0020] 41. Movable frame; 42. Lifting frame; 43. Lifting cylinder; 44. Slide rail.

[0021] Drive motor 51, drive gear 52, driven gear 53, transmission sleeve 54, transmission shaft 55, drive cylinder 56, connecting block 57, guide groove 58, guide block 59, push-pull ring 510, push-pull groove 511, drive frame 512. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and through embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0023] Example

[0024] See also Figures 1 to 4 As shown in the accompanying drawings, the structures, proportions, sizes, etc., depicted in this specification are merely for illustrative purposes to aid those skilled in the art and to provide a clear understanding. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed in this invention. Furthermore, the use of terms such as "upper," "lower," "left," "right," "middle," and "one" in this specification is solely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0025] The PET film winding mechanism in this embodiment includes a base 1, a winding roller 2, a fixed bracket 3, a movable bracket 4, and a driving device 5. The fixed bracket 3 is fixed on the base 1, the movable bracket 4 is slidably disposed on the base 1, the winding roller 2 is mounted on the fixed bracket 3 and cooperates with the movable bracket 4, the driving device 5 is connected to the winding roller 2, and a limit plate 23 is provided on the winding roller 2.

[0026] The driving device 5 in this embodiment includes a drive motor 51, a driving gear 52, a driven gear 53, a transmission sleeve 54, a transmission shaft 55, a drive cylinder 56, and a drive frame 512. The drive frame 512 is fixed on the base 1. The driven gear 53 is fixed to the transmission sleeve 54. The transmission sleeve 54 is rotatably mounted on the drive frame 512. The transmission shaft 55 is slidably mounted inside the transmission sleeve 54. One end of the transmission shaft 55 is connected to the drive cylinder 56, and the other end of the transmission shaft 55 is connected to the take-up roller 2. The driven gear 53 meshes with the driving gear 52, and the driving gear 52 is connected to the drive motor 51.

[0027] In this embodiment, one end of the drive shaft 55 is provided with a push-pull groove 511, the piston rod of the drive cylinder 56 is provided with a push-pull ring 510, the push-pull ring 510 is located in the push-pull groove 511, the other end of the drive shaft 55 is provided with a connecting block 57, the take-up roller 2 is provided with a connecting hole 21, the connecting block 57 is located in the connecting hole 21, the connecting block 57 and the connecting hole 21 are arranged in a polygonal structure, the inner wall of the transmission sleeve 54 is provided with a guide groove 58, the outer wall of the drive shaft 55 is provided with a guide block 59, the guide block 59 is located in the guide groove 58.

[0028] The fixed bracket 3 in this embodiment includes a fixed frame 31, a roller bracket 32, a roller body 33, and a limiting groove 34. The fixed frame 31 is fixed on the base 1, the roller bracket 32 ​​is fixed on the fixed frame 31, the roller body 33 is rotatably mounted on the roller bracket 32, the limiting groove 34 is provided on the roller body 33, and a limiting ring 22 is provided on the take-up roller 2, the limiting ring 22 being located within the limiting groove 34.

[0029] The movable bracket 4 in this embodiment includes a movable frame 41, a lifting frame 42, a lifting cylinder 43, and a slide rail 44. The lifting frame 42 is slidably mounted on the movable frame 41. The cylinder of the lifting cylinder 43 is fixed on the movable frame 41, and the piston rod of the lifting cylinder 43 is connected to the lifting frame 42. The lifting frame 42 is in contact with the take-up roller 2. The slide rail 44 is fixed to the bottom of the movable frame 41. A sliding groove 11 is provided on the base 1, and the slide rail 44 is located in the sliding groove 11.

[0030] Specifically, when the PET film winding mechanism is working, the drive cylinder 56 pushes the transmission shaft 55, causing the connecting block 57 to be inserted into the connecting hole 21. The drive motor 51 drives the drive gear 52 to rotate, and the drive gear 52 drives the driven gear 53 to rotate, which in turn causes the transmission sleeve 54 to drive the transmission shaft 55 to rotate synchronously, thereby realizing the winding roller 2 winding the PET film. During winding, the winding roller 2 is mounted on the support roller body 33, and the limiting groove 34 can limit the limiting ring 22.

[0031] After winding is completed, the drive cylinder 56 pulls the drive shaft 55, causing the connecting block 57 to disengage from the connecting hole 21. The lifting cylinder 43 pushes the lifting frame 42 upward to lift the winding roller 2, causing the winding roller 2 to separate from the support roller body 33. The cylinder or screw drives the moving frame 41, causing the moving frame 41 to move along the slide groove 11 and the slide rail 44 to move the moving frame 41 out.

[0032] Furthermore, it should be noted that the specific embodiments described in this specification may differ in the shape and name of their components. The above description is merely illustrative of the structure of this utility model. All equivalent or simple variations made based on the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in these claims, all of which should fall within the protection scope of this utility model.

Claims

1. A PET film winding mechanism, comprising a base (1) and a winding roller (2), characterized in that: It also includes a fixed bracket (3), a movable bracket (4), and a drive device (5). The fixed bracket (3) is fixed on the base (1), the movable bracket (4) is slidably mounted on the base (1), the take-up roller (2) is mounted on the fixed bracket (3) and cooperates with the movable bracket (4), and the drive device (5) is connected to the take-up roller (2). The drive device (5) includes a drive motor (51), a drive gear (52), a driven gear (53), a transmission sleeve (54), a transmission shaft (55), a drive cylinder (56), and a drive motor (51). A drive frame (512) is fixed on a base (1). The driven gear (53) is fixed to a transmission sleeve (54). The transmission sleeve (54) is rotatably mounted on the drive frame (512). The transmission shaft (55) is slidably mounted inside the transmission sleeve (54). One end of the transmission shaft (55) is connected to a drive cylinder (56). The other end of the transmission shaft (55) is connected to a take-up roller (2). The driven gear (53) meshes with a drive gear (52). The drive gear (52) is connected to a drive motor (51).

2. The PET film winding mechanism according to claim 1, characterized in that: One end of the drive shaft (55) is provided with a push-pull groove (511), and the piston rod of the drive cylinder (56) is provided with a push-pull ring (510), which is located in the push-pull groove (511).

3. The PET film winding mechanism according to claim 1, characterized in that: A connecting block (57) is provided at the other end of the drive shaft (55), and a connecting hole (21) is provided on the winding roller (2). The connecting block (57) is located inside the connecting hole (21), and the connecting block (57) and the connecting hole (21) are arranged in a polygonal structure.

4. The PET film winding mechanism according to claim 1, characterized in that: The inner wall of the transmission sleeve (54) is provided with a guide groove (58), and the outer wall of the transmission shaft (55) is provided with a guide block (59), which is located in the guide groove (58).

5. The PET film winding mechanism according to claim 1, characterized in that: The fixed bracket (3) includes a fixed frame (31), a roller frame (32), a roller body (33), and a limiting groove (34). The fixed frame (31) is fixed on the base (1), the roller frame (32) is fixed on the fixed frame (31), the roller body (33) is rotatably mounted on the roller frame (32), and the limiting groove (34) is mounted on the roller body (33). A limiting ring (22) is provided on the take-up roller (2), and the limiting ring (22) is located in the limiting groove (34).

6. The PET film winding mechanism according to claim 1, characterized in that: The movable bracket (4) includes a movable frame (41), a lifting frame (42), a lifting cylinder (43), and a slide rail (44). The lifting frame (42) is slidably mounted on the movable frame (41). The cylinder of the lifting cylinder (43) is fixed on the movable frame (41). The piston rod of the lifting cylinder (43) is connected to the lifting frame (42). The lifting frame (42) is in contact with the take-up roller (2). The slide rail (44) is fixed at the bottom of the movable frame (41). A slide groove (11) is provided on the base (1), and the slide rail (44) is located in the slide groove (11).

7. The PET film winding mechanism according to claim 1, characterized in that: A limit plate (23) is provided on the take-up roller (2).

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