A protective film winding mechanism

Abstract

The utility model discloses a kind of protective film winding mechanisms, it is related to protective film winding technical field.Its structure includes base frame, double spool synchronous winding component, double spool end support component and unwinding component;Double spool synchronous winding component includes two air expansion shafts and the synchronous driving component for synchronously driving two air expansion shafts;Double spool end support component includes two shaft end positioning socket and the moving base for rotating installation two shaft end positioning socket;Air expansion shaft end is provided with the step plug for cooperating with shaft end positioning socket;Unwinding component includes the unwinding support arm for cooperating with two air expansion shafts.The utility model is in design by double spool synchronous winding, significantly improve winding efficiency and quality;Moving base cooperates with shaft end positioning socket, simplifies winding drum loading and unloading process, reduces labor intensity;Base frame strengthens design, enhances structural stability;The mechanism flexible adapts to different protective film winding demand, provides efficient, stable solution for production.

Description

Technical Field

[0001] This utility model belongs to the field of protective film winding technology, and in particular relates to a protective film winding mechanism. Background Technology

[0002] In the production and processing of protective films, the winding process is a crucial step. The quality of the winding directly affects the storage, transportation, and subsequent use of the protective film. With the continuous improvement of industrial automation, dual-roller or multi-roller winding equipment has gradually appeared on the market. These devices improve winding efficiency by increasing the number of rolls.

[0003] Existing winding equipment presents inconveniences in terms of drum installation and disassembly. Traditional fixed-spool designs require moving the entire drum or using complex tools, increasing operator workload and reducing production efficiency. This inconvenience is particularly pronounced in production scenarios requiring frequent drum changes.

[0004] Meanwhile, as the application fields of protective films continue to expand, higher requirements are being placed on the flexibility and adaptability of winding equipment.

[0005] Therefore, how to design a protective film winding mechanism that can improve winding efficiency, ensure winding quality, simplify operation procedures, reduce labor intensity, and has good flexibility and adaptability has become a technical problem that urgently needs to be solved in the current protective film production field.

[0006] The information disclosed in this background section is intended only to enhance the understanding of the general background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] The purpose of this invention is to provide a protective film winding mechanism. Through the ingenious cooperation of the dual-spindle synchronous winding assembly, the dual-spindle end support assembly, and the unwinding assembly, the synchronous rotation of the two air shafts and the rapid installation and disassembly of the roll are achieved, which significantly improves the winding efficiency and winding quality.

[0008] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0009] This utility model relates to a protective film winding mechanism, comprising a base frame, a dual-spindle synchronous winding assembly, a dual-spindle end support assembly, and an unwinding assembly; the dual-spindle synchronous winding assembly includes two air shafts and a synchronous drive assembly for synchronously driving the two air shafts; the dual-spindle end support assembly includes two shaft end positioning sockets and a movable base for rotatably mounting the two shaft end positioning sockets; each air shaft end is provided with a stepped plug that mates with the shaft end positioning socket; the unwinding assembly includes an unwinding arm that mates with the two air shafts and a linear drive assembly for driving the unwinding arm to move axially along the air shafts.

[0010] As a preferred embodiment of this utility model, the base frame includes a horizontal base; two parallel vertical plates are fixed to one end of the upper surface of the horizontal base; the two vertical plates are fixedly connected as one unit by a number of connecting blocks; and a number of reinforcing ribs are provided between the horizontal base and the vertical plates.

[0011] As a preferred embodiment of this utility model, the synchronous drive assembly includes a servo motor, a first gear, a second gear, and a drive shaft; the air shaft is rotatably mounted on the two vertical plates via two first bearings, and the second gear is mounted on the end of the air shaft; the drive shaft is rotatably mounted on the two vertical plates via two first bearings, and the first gear is mounted on the drive shaft; the first gear meshes with the two second gears for transmission; the drive shaft and the servo motor are connected by a coupling; a motor bracket for supporting and mounting the servo motor is fixed on the upper surface of the horizontal base.

[0012] As a preferred embodiment of this utility model, the movable base includes an inverted T-shaped support, two linear guide rails fixed on the horizontal base, a linear slider for connecting the T-shaped support and the two linear guide rails, and a lead screw guide drive mechanism for driving the T-shaped support to move linearly along the linear guide rails; the shaft end positioning socket is rotatably mounted on the T-shaped support via a third bearing.

[0013] As a preferred embodiment of this utility model, the shaft end positioning socket includes a continuously arranged cylindrical rod segment, a frustum segment, and a cylindrical segment; the cylindrical rod segment cooperates with the third bearing; the cylindrical segment has a tapered hole; and the frustum segment has a stepped insertion hole in the middle that cooperates with the stepped plug.

[0014] As a preferred embodiment of this utility model, the linear drive assembly includes a first lead screw motor that is mounted through the vertical plate and a circular tube fixed on the vertical plate, wherein the circular tube is coaxially arranged with the lead screw of the first lead screw motor; a horizontal rectangular guide channel is formed in the middle of the side wall of two adjacent air shafts of the circular tube; the unwinding support arm is threadedly connected to the lead screw of the first lead screw motor and moves linearly along the rectangular guide channel.

[0015] As a preferred embodiment of this utility model, the unwinding support arm includes a lead screw nut slider that slides along the inner wall of the circular tube; a rectangular extension rod that slides along the outer wall of the lead screw nut slider and slides with the rectangular guide groove; a support arm rod is fixed to the outer end of the rectangular extension rod; a U-shaped groove that is coaxial with the air shaft is opened at both ends of the support arm rod; and a hollow hole is opened in the middle of the support arm rod.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model utilizes a dual-spindle synchronous winding assembly to achieve synchronous rotation of two air shafts, enabling simultaneous cross-winding of slit protective films and significantly improving winding efficiency. Furthermore, a single air shaft can also be used for winding films of fixed thickness, offering high flexibility. This winding mechanism is not only suitable for winding protective films of different widths but can also adapt to different production scales and needs by adjusting the number and configuration of the air shafts, demonstrating excellent flexibility and adaptability.

[0018] 2. The design of the movable base and shaft-end positioning sockets in this utility model allows for convenient removal or installation of the roll before and after winding without the need to move the air shaft, thus simplifying the operation process and reducing the difficulty of operation. Specifically, when the movable base, with the two shaft-end positioning sockets, detaches from the air shaft, it facilitates the removal or installation of the roll; when inserted, it ensures the stability of the air shaft rotation during the winding of the protective film.

[0019] 3. The design of the unwinding assembly of this utility model, especially the cooperation between the linear drive assembly and the unwinding support arm, enables the protective film roll on the air shaft to be automatically pushed to one end after winding is completed, further reducing the labor intensity of operators.

[0020] 4. The components of this utility model are reasonably designed, easy to disassemble and install, and convenient for daily maintenance and upkeep, reducing maintenance costs and time consumption.

[0021] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of the protective film winding mechanism of this utility model.

[0024] Figure 2 This is a schematic diagram of the structure when the movable base, along with the two shaft-end positioning sockets, detaches from the air shaft.

[0025] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0026] Figure 4 for Figure 1 A schematic diagram of the structure after removing the movable base and the two shaft end positioning sockets.

[0027] Figure 5 This is a schematic diagram of the shaft end positioning socket.

[0028] Figure 6 This is a schematic diagram of the unwinding support arm.

[0029] The attached diagram lists the components represented by each number as follows:

[0030] 1-Base frame, 101-Horizontal base, 102-Upright plate, 103-Connecting block, 104-Reinforcing rib plate, 105-Motor bracket, 2-Air shaft, 21-Step plug, 3-Shaft end positioning socket, 31-Cylindrical rod segment, 32-Frustum segment, 33-Cylindrical segment, 34-Conical hole, 35-Step insertion hole, 4-Unwinding support arm, 41-Screw nut slider, 42-Rectangular extension rod, 43-Support arm rod, 44-U-shaped groove, 45-Hollow hole, 5-Servo motor, 6-First gear, 7-Second gear, 8-Drive shaft, 9-T-shaped bearing seat, 10-Linear guide rail, 11-Linear slider, 12-Screw guide drive mechanism, 13-Round tube, 131-Rectangular guide channel, 14-First screw motor. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0032] Specific Implementation Example 1: Please refer to Figure 1-6 As shown, this utility model is a protective film winding mechanism, which mainly includes a base frame 1, a dual-spindle synchronous winding assembly, a dual-spindle end support assembly, and an unwinding assembly.

[0033] The base frame 1, serving as the fundamental support for the entire winding mechanism, includes a horizontal base 101. Two parallel vertical plates 102 are fixed to one end of the upper surface of the horizontal base 101. The two vertical plates 102 are fixedly connected as a single unit by several connecting blocks 103 to enhance structural stability. Simultaneously, several reinforcing ribs 104 are provided between the horizontal base 101 and the vertical plates 102 to further improve the rigidity and load-bearing capacity of the frame.

[0034] The dual-spool synchronous winding assembly is the core component of the winding mechanism, comprising two air shafts 2 and a synchronous drive assembly for synchronously driving the two air shafts 2. The synchronous drive assembly includes a servo motor 5, a first gear 6, a second gear 7, and a drive shaft 8. The air shafts 2 are rotatably mounted on two vertical plates 102 via two first bearings, and the second gear 7 is mounted at the end of the air shaft 2. The drive shaft 8 is rotatably mounted on the two vertical plates 102 via two first bearings, and the first gear 6 is mounted on the drive shaft 8. The first gear 6 meshes with the two second gears 7 for transmission. The drive shaft 8 is connected to the servo motor 5 via a coupling. A motor bracket 105 is fixed to the upper surface of the horizontal base 101 to support and mount the servo motor 5, ensuring stable operation of the servo motor 5.

[0035] The dual-spool end support assembly includes two shaft end positioning sockets 3 and a movable base for rotatably mounting the two shaft end positioning sockets 3. Each shaft end positioning socket 3 includes a continuously arranged cylindrical rod segment 31, a frustum-shaped segment 32, and a cylindrical segment 33. The cylindrical rod segment 31 engages with a third bearing to achieve rotatable mounting of the shaft end positioning socket 3. The cylindrical segment 33 has a tapered hole 34, and the frustum-shaped segment 32 has a stepped insertion hole 35 in its middle that mates with the stepped plug 21 at the end of the air shaft 2, ensuring precise docking and stable transmission between the air shaft 2 and the shaft end positioning socket 3.

[0036] The movable base includes an inverted T-shaped support 9, two linear guide rails 10 fixed on a horizontal base 101, a linear slider 11 connecting the T-shaped support 9 to the two linear guide rails 10, and a screw guide drive mechanism 12 for driving the T-shaped support 9 to move linearly along the linear guide rails 10. The screw guide drive mechanism 12 includes two end plates fixed on the horizontal base 101, with a second screw motor mounted on each end plate. The second screw motor drives the movement of the T-shaped support 9. The T-shaped support 9 has screw holes that mate with the second screw motor. Two cylindrical guide rods are also fixed between the two end plates, parallel to the linear guide rails 10. Guide sleeves that mate with the cylindrical guide rods are fixed through the T-shaped support 9. The shaft end positioning socket 3 is rotatably mounted on the T-shaped support 9 via a third bearing. The design of the movable base allows the shaft end positioning socket 3 to be easily disengaged from or inserted into the air shaft 2, facilitating loading and unloading operations before and after winding.

[0037] The unwinding assembly includes an unwinding arm 4 that engages with two air shafts 2, and a linear drive assembly for driving the unwinding arm 4 to move axially along the air shafts 2. The linear drive assembly includes a first lead screw motor 14 mounted through a vertical plate 102 and a circular tube 13 fixed to the vertical plate 102. The circular tube 13 is coaxially arranged with the lead screw of the first lead screw motor 14, and a horizontal rectangular guide channel 131 is formed in the middle of the sidewall of two adjacent air shafts 2 of the circular tube 13. The unwinding arm 4 is threadedly connected to the lead screw of the first lead screw motor 14 and moves linearly along the rectangular guide channel 131, achieving precise control of the unwinding arm 4. The unwinding arm 4 includes a lead screw nut slider 41 that slides along the inner wall of the circular tube 13, and a rectangular extension rod 42 that slides along the rectangular guide channel 131 is fixed to the outer wall of the lead screw nut slider 41. A support arm 43 is fixed to the outer end of the rectangular extension rod 42. A U-shaped groove 44, coaxial with the air shaft 2, is opened at each end of the support arm 43 for clamping and pushing the protective film roll on the air shaft 2. A perforated hole 45 is opened in the middle of the support arm 43 to reduce weight and facilitate operation.

[0038] A specific application of this embodiment is as follows: In practical applications, the roll is first installed on the air shaft 2 and the winding position is adjusted. Inflation causes the air shaft 2 to tighten the roll. Activating the second lead screw on the movable base allows the shaft end positioning socket 3 to engage with and support the air shaft 2, ensuring stability during rotation. Then, the servo motor 5 is activated, driving the two air shafts 2 to rotate synchronously via the synchronous drive assembly, performing the protective film winding operation.

[0039] After winding is completed, the first lead screw motor 14 is started, driving the unwinding support arm 4 to move axially along the air expansion shaft 2, pushing the protective film roll towards one end of the stepped plug 21, making it easy to remove the protective film roll. At the same time, the movable base can disengage the shaft end positioning socket 3 from the air expansion shaft 2, making it easy to install a new roll for the next winding operation.

[0040] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0041] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A protective film winding mechanism, characterized in that: Includes a base frame (1), a dual-spindle synchronous winding assembly, a dual-spindle end support assembly, and an unwinding assembly; The dual-spindle synchronous winding assembly includes two air shafts (2) and a synchronous drive assembly for synchronously driving the two air shafts (2); The dual-spindle end bracket assembly includes two shaft end positioning sockets (3) and a movable base for rotatably mounting the two shaft end positioning sockets (3); the end of the air shaft (2) is provided with a stepped plug (21) that mates with the shaft end positioning socket (3). The unwinding assembly includes an unwinding arm (4) that cooperates with the two air shafts (2) and a linear drive assembly for driving the unwinding arm (4) to move axially along the air shafts (2).

2. The protective film winding mechanism according to claim 1, characterized by The base frame (1) includes a horizontal base (101); two parallel vertical plates (102) are fixed at one end of the upper surface of the horizontal base (101); the two vertical plates (102) are fixedly connected as one unit by a number of connecting blocks (103); a number of reinforcing ribs (104) are provided between the horizontal base (101) and the vertical plates (102).

3. The protective film winding mechanism according to claim 2, characterized by The synchronous drive assembly includes a servo motor (5), a first gear (6), a second gear (7), and a drive shaft (8); the air shaft (2) is rotatably mounted on the two upright plates (102) via two first bearings, and the second gear (7) is mounted on the end of the air shaft (2); the drive shaft (8) is rotatably mounted on the two upright plates (102) via two first bearings, and the first gear (6) is mounted on the drive shaft (8); the first gear (6) meshes with the two second gears (7) for transmission; the drive shaft (8) and the servo motor (5) are connected by a coupling; a motor bracket (105) for supporting and mounting the servo motor (5) is fixed on the upper surface of the horizontal base (101).

4. The protective film winding mechanism according to claim 2, wherein The movable base includes an inverted T-shaped support (9), two linear guides (10) fixed on the horizontal base (101), a linear slider (11) for connecting the T-shaped support (9) and the two linear guides (10), and a screw guide drive mechanism (12) for driving the T-shaped support (9) to move linearly along the linear guides (10); the shaft end positioning socket (3) is rotatably mounted on the T-shaped support (9) via a third bearing.

5. The protective film winding mechanism according to claim 4, wherein The shaft end positioning socket (3) includes a continuously arranged cylindrical rod segment (31), a frustum segment (32) and a cylindrical segment (33); the cylindrical rod segment (31) cooperates with the third bearing; the cylindrical segment (33) has a tapered hole (34); the frustum segment (32) has a stepped insertion hole (35) in the middle that cooperates with the stepped plug (21).

6. The protective film winding mechanism according to claim 2, wherein The linear drive assembly includes a first lead screw motor (14) mounted through the vertical plate (102) and a circular tube (13) fixed on the vertical plate (102), and the circular tube (13) is coaxially arranged with the lead screw of the first lead screw motor (14); a horizontal rectangular guide channel (131) is opened in the middle of the side wall of two adjacent air shafts (2) of the circular tube (13); the unwinding support arm (4) is threadedly connected to the lead screw of the first lead screw motor (14) and moves linearly along the rectangular guide channel (131).

7. The protective film winding mechanism of claim 6, wherein The unwinding support arm (4) includes a screw nut slider (41) that slides along the inner wall of the circular tube (13); a rectangular extension rod (42) that slides along the outer wall of the screw nut slider (41) and slides along the rectangular guide channel (131); a support arm rod (43) is fixed to the outer end of the rectangular extension rod (42); a U-shaped groove (44) that is coaxial with the air shaft (2) is opened at both ends of the support arm rod (43); and a hollow hole (45) is opened in the middle of the support arm rod (43).

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