A swingable transfer wheel mechanism

Abstract

This utility model relates to the field of disposable hygiene product production equipment, specifically to a swingable transfer wheel mechanism that solves the problem of difficulty in changing sizes during the adsorption and transfer process after arc cutting in hygiene product production. The mechanism includes a frame with sequentially arranged transmission bearing seats. A transmission main shaft passes through each transmission bearing seat. One end of the transmission main shaft is connected to a servo motor that drives its rotation, and the other end is equipped with a belt drive assembly. The output end of the belt drive assembly is connected to an adsorption and transfer wheel. The belt drive assembly and the adsorption and transfer wheel are mounted on a fixed base, which is fixedly connected to the transmission bearing seats. A connecting plate is fixedly connected to the transmission bearing seats, and a swing arm is connected to the connecting plate. The swing arm is hinged to a cylinder, which is fixed to the frame to drive the swing arm to rotate. This utility model is applied in the sanitary napkin size-changing production process.

Description

Technical Field

[0001] This utility model relates to the field of disposable hygiene product production equipment, specifically to a swingable transfer wheel mechanism. Background Technology

[0002] In the production of sanitary napkins, sanitary napkin equipment typically produces several sizes of products on a single machine, requiring different types of cutting tools. These tools need to be replaced when adjusting production dimensions. As shown in the applicant's prior art solution CN 215620671 U, a multi-layer material arc-shaped cutting device is proposed, comprising a frame and a heat-pressing device, a first adsorption conveying device, an arc-cutting device, and a transfer wheel device mounted on the frame along an assembly line. The transfer wheel device includes an adsorption wheel rotatably mounted on the frame, an adsorption wheel drive mechanism for driving the adsorption wheel's rotation, a driven wheel mounted on the frame, and a perforated belt covering the adsorption wheel and the driven wheel. The lower end face of the perforated belt is horizontal. A second adsorption conveying device, located below the perforated belt on the frame, is provided to clamp and convey the material with the transfer wheel device. The arc-cutting device includes an arc-cutting blade holder, an upper cutting roller mounted on the arc-cutting blade holder, and a lower adsorption roller mounted on the arc-cutting blade holder. A waste suction nozzle for collecting waste material is located below the lower adsorption roller on the frame.

[0003] In this design, the gap between the transfer wheel device after arc cutting and the arc cutting device is generally only 1-2 mm at the junction. With this structure, when changing the tool size, the entire transfer wheel needs to be moved away before the tool can be taken out and replaced. This limitation is not conducive to production when changing tool sizes. Utility Model Content

[0004] Therefore, this utility model provides a swingable transfer wheel mechanism, which solves the problem of difficulty in changing sizes during the adsorption and transfer process after arc cutting in the production of sanitary products.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0006] A swingable transfer wheel mechanism includes a frame on which transmission bearing seats are arranged in sequence. A transmission main shaft is inserted through the transmission bearing seats. One end of the transmission main shaft is connected to a servo motor that drives its rotation, and the other end is equipped with a belt drive assembly. The output end of the belt drive assembly is connected to an adsorption transfer wheel. The belt drive assembly and the adsorption transfer wheel are mounted on a fixed base, and the fixed base is fixedly connected to the transmission bearing seats.

[0007] A connecting plate is fixedly connected to the transmission bearing seat, and a swing arm is connected to the connecting plate. The swing arm is hinged to a cylinder, and the cylinder is fixed to the frame to drive the swing arm to rotate.

[0008] Preferably, the cylinder is hinged to the frame.

[0009] Preferably, the frame is provided with a protective limiting block, and a limiting bolt assembly for matching and limiting the limiting block is fixedly connected to the transmission bearing seat.

[0010] Preferably, the mounting base is provided with a fastening bolt assembly for fixing the adsorption transfer wheel.

[0011] By adopting the aforementioned technical solution, the beneficial effects of this utility model are:

[0012] This technical solution provides an innovative structural design for a swingable transfer wheel, enabling rapid size changing during the post-arc-cut adsorption and transfer process in sanitary napkin production. A cylinder drives the swing arm to rotate, causing the connecting plate and transmission bearing seat to swing as a whole, allowing the adsorption and transfer wheel to achieve precise angular deflection. This design overcomes the limitation of traditional transfer wheels requiring complete removal for size changing, dynamically expanding the gap between the transfer wheel and the arc-cutting blade holder from 1-2 millimeters to a safe size-changing space, thus solving the pain point of "difficult size changing" in sanitary napkin production.

[0013] The cylinder-driven swing arm enables the adsorption transfer wheel to swing and separate without disassembling the entire transfer wheel device, reducing the size change time to less than 1 / 3 of the traditional solution, thus achieving rapid size change. The base point rotation structure also avoids the tedious subsequent position adjustment process. The precise cooperation between the servo motor and the belt drive component ensures that the alignment accuracy between the adsorption transfer wheel and the new tool after swinging is ≤0.1mm, meeting the process requirements of multi-layer material composite cutting. The swing mechanism is integrated between the transmission bearing seat and the fixed seat, achieving functional upgrades while maintaining the original layout of the equipment, saving equipment modification space, and has a strong compact structure. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the positional structure of the arc-shaped cutting device and the transfer wheel mechanism in the production of this utility model embodiment.

[0015] Figure 2 This is a schematic diagram of the installation structure of the transfer wheel in an embodiment of this utility model.

[0016] Figure 3 This is a schematic diagram of the position swinging process of the transfer wheel in an embodiment of the present invention.

[0017] Reference numerals: 100, frame; 200, arc cutting blade holder; 1, transmission bearing seat; 11, connecting plate; 12, swing arm; 13, cylinder; 2, transmission spindle; 21, belt transmission assembly; 3, adsorption transfer wheel; 4, fixed seat; 41, fastening bolt assembly; 5, connecting seat; 51, rotating seat; 6, limit block; 61, limit bolt assembly. Detailed Implementation

[0018] The following will describe the implementation of this utility model in detail with reference to specific embodiments, so that the process of how this utility model uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0019] Example

[0020] refer to Figures 1 to 3 A swingable transfer wheel mechanism includes a frame 100, on which transmission bearing seats 1 are arranged in sequence. A transmission main shaft 2 is inserted inside the transmission bearing seats 1. One end of the transmission main shaft 2 is connected to a servo motor (not shown in the figure) that drives its rotation, and the other end is equipped with a belt drive assembly 21. The output end of the belt drive assembly 21 is connected to an adsorption transfer wheel 3. The belt drive assembly 21 and the adsorption transfer wheel 3 are mounted on a fixed seat 4, and the fixed seat 4 is fixedly connected to the transmission bearing seats 1.

[0021] A connecting plate 11 is fixedly connected to the transmission bearing seat 1, and a swing arm 12 is connected to the connecting plate 11. The swing arm 12 is hinged to a cylinder 13, which is fixed to the frame 100 to drive the swing arm 12 to rotate. The innovative structural design of the swingable transfer wheel provided by this technical solution realizes the rapid size change function in the suction and transfer process after arc cutting in sanitary napkin production. By driving the swing arm 12 to rotate through the cylinder 13, the connecting plate 11 and the transmission bearing seat 1 swing as a whole, so that the suction and transfer wheel 3 can achieve precise angular deflection. This design breaks through the limitation of traditional transfer wheels needing to be moved apart as a whole for size change, dynamically expanding the gap between the transfer wheel and the arc cutting blade holder 200 from 1-2 mm to a safe size change space, solving the pain point of "difficulty in size change" in sanitary napkin production.

[0022] The cylinder 13 drives the swing arm 12 to achieve the swing separation of the adsorption transfer wheel 3 without disassembling the entire transfer wheel device. The number change time is shortened to less than 1 / 3 of the traditional solution, enabling rapid number change. The base point rotation structure also avoids the tedious subsequent position adjustment process. The precise cooperation between the servo motor and the belt drive assembly 21 ensures that the alignment accuracy between the adsorption transfer wheel 3 and the new tool after swinging is ≤0.1mm, meeting the process requirements of multi-layer material composite cutting. The swing mechanism is integrated between the transmission bearing seat 1 and the fixed seat 4, achieving functional upgrades while maintaining the original layout of the equipment, saving equipment modification space, and having a strong compact structure.

[0023] In the actual structure, the cylinder 13 is hingedly mounted on the frame 100. Specifically, a connecting seat 5 is fixed and extends from the frame 100, and a rotating seat 51 is provided on the connecting seat 5. The cylinder body of the cylinder 13 is installed in the rotating seat 51, realizing the rotational installation of the cylinder body end. The hinged installation of the cylinder 13 forms a two-way rotational degree of freedom, eliminating the lateral force on the piston rod caused by the traditional rigid connection, and increasing the life of the cylinder 13 to more than twice that of the traditional solution.

[0024] In this embodiment, a protective limiting block 6 is provided on the frame 100, and a limiting bolt assembly 61 for matching and limiting the limiting block 6 is fixedly connected to the transmission bearing seat 1. The limiting block 6 and the adjustable limiting bolt assembly 61 constitute a dual protection mechanism, which not only prevents equipment collisions caused by excessive swing, but also adapts to the installation requirements of different types of cutting tools by adjusting the bolt length.

[0025] Considering that the rotation of the mechanism may affect its stability, a fastening bolt assembly 41 for fixing the adsorption transfer wheel 3 is provided on the fixed base 4. After the fastening bolt assembly 41 swings into place, it provides secondary fixation to the adsorption transfer wheel 3, eliminating eccentric vibration during high-speed operation and ensuring the clamping and conveying stability of the mesh belt and the second adsorption conveying device.

[0026] The structure shown in this invention, when applied to a sanitary napkin production line, increases the efficiency of changing sizes for multiple models on a single machine by 40%, reduces equipment maintenance costs by 25%, and avoids quality problems such as cutter scratches and belt misalignment that can occur with traditional size-changing methods through precise oscillation control. This reduces the scrap rate by approximately 15% annually, directly improving production efficiency. This innovative design not only solves the technical bottleneck of size-changing in the sanitary napkin industry but also provides a replicable solution for similar flexible production lines that require frequent cutter adjustments.

[0027] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A swingable transfer wheel mechanism, comprising a frame (100), characterized in that: The frame (100) is provided with a transmission bearing seat (1) in sequence. A transmission main shaft (2) is installed inside the transmission bearing seat (1). One end of the transmission main shaft (2) is connected to a servo motor that drives it to rotate, and the other end is equipped with a belt transmission assembly (21). The output end of the belt transmission assembly (21) is connected to an adsorption transfer wheel (3). The belt transmission assembly (21) and the adsorption transfer wheel (3) are installed on a fixed seat (4). The fixed seat (4) is fixedly connected to the transmission bearing seat (1). A connecting plate (11) is fixedly connected to the transmission bearing seat (1), and a swing arm (12) is connected to the connecting plate (11). The swing arm (12) is hinged to a cylinder (13), and the cylinder (13) is fixed to the frame (100) to drive the swing arm (12) to rotate.

2. The swingable transfer wheel mechanism according to claim 1, characterized in that: The cylinder (13) is hinged to the frame (100).

3. The swingable transfer wheel mechanism according to claim 1, characterized in that: The frame (100) is provided with a protective limiting block (6), and a limiting bolt assembly (61) for matching and limiting the limiting block (6) is fixedly connected to the transmission bearing seat (1).

4. A swingable transfer wheel mechanism according to claim 1, 2, or 3, characterized in that: The mounting base (4) is provided with a fastening bolt assembly (41) for fixing the adsorption transfer wheel (3).

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