Weighing slide rail device of intelligent tobacco leaf packer

By introducing a weighing slide rail device into the intelligent tobacco baler, and utilizing the sliding connection between the slider and the circular slide rail and the limit rod design, the problems of weighing instability and inaccuracy are solved, achieving weighing accuracy and long sensor life, and improving production efficiency.

CN224192892UActive Publication Date: 2026-05-05XUCHANG YUANFANG IND & TRADE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XUCHANG YUANFANG IND & TRADE
Filing Date
2025-04-07
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing pre-compression weighing equipment is prone to collisions during the pushing of tobacco packaging carts, leading to instability and inaccuracy in weighing. Furthermore, friction, collisions, and shaking must be avoided during the lifting process.

Method used

The weighing slide rail device includes a frame, lifting platform, chain, weighing support, sliding components and weighing sensors. The sliding connection between the slider and the circular slide rail ensures smooth lifting of the weighing support, and when not weighing, the weight of the platform is transferred by the limit rod to avoid damage to the sensors.

Benefits of technology

It improves weighing accuracy and sensor lifespan, reduces calibration frequency, and enhances production efficiency and ease of installation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of machine manufacturing, in particular to a weighing sliding rail device of an intelligent tobacco baler. The weighing slide rail device of the intelligent tobacco baler is provided to solve the problem that the weighing instability and inaccuracy of a weighing system are caused by collision in the tobacco bale trolley pushing process, and comprises a rack, a plurality of supporting legs arranged below the rack, a lifting platform arranged above the rack, and a weighing device arranged below the rack. The lifting platform lifts the weighing device for weighing through a plurality of chains, the weighing device comprises a weighing support fixedly connected with one ends of the plurality of chains, the side wall of the weighing support is fixedly connected with a plurality of sliding parts to prevent the weighing support from twisting during lifting, and a plurality of groups of weighing sensors are connected above the weighing support in a pressing manner; the weighing accuracy is improved, the number of times of scale verification in use is reduced, and the working efficiency of production is improved.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing, and in particular to a weighing slide rail device for an intelligent tobacco leaf baling machine. Background Technology

[0002] Existing pre-compression weighing equipment uses a split or square track installation method for fixing the weighing pan and weighing tray. Collisions can occur during the pushing of tobacco balers, leading to instability and inaccuracy in the weighing system. Solving this problem requires considering both weighing accuracy and ease of installation and efficiency. Since the weighing process involves lifting the weighing pan and weighing tray, it is crucial to ensure that they do not rub or collide with other mechanisms during lifting, and that there is no shaking, to achieve fast and stable weighing. Therefore, a weighing slide rail device for an intelligent tobacco baling machine is proposed. Utility Model Content

[0003] This invention addresses the problem that current equipment or existing technology lacks a suitable device to solve the aforementioned issues. Collisions can occur during the pushing of tobacco balers, leading to instability and inaccuracy in the weighing system. This invention provides a weighing slide rail device for an intelligent tobacco baling machine, which improves weighing accuracy, reduces the number of times the scale needs to be calibrated during use, increases production efficiency, and effectively solves the problems mentioned in the background art.

[0004] The technical solution adopted by this utility model to solve the above problems is as follows:

[0005] A weighing slide rail device for an intelligent tobacco leaf baling machine includes a frame with multiple support legs below the frame, a lifting platform above the frame, and a weighing device below the frame. The lifting platform lifts the weighing device via multiple chains. The weighing device includes a weighing support fixedly connected to one end of the multiple chains. The side wall of the weighing support is fixedly connected to multiple sliding parts to prevent twisting during lifting and lowering. Multiple sets of weighing sensors are pressed onto the top of the weighing support.

[0006] The multiple sliding components fixed to the side wall of the weighing support include a support rod fixed to the lower side wall of the frame. The support rod is fixed to the bottom of the frame with multiple sets of support seats. Each set of support seats is equipped with a circular slide rail. The circular slide rail is slidably connected to a slider. The slider is fixedly connected to the side wall of the weighing support. The slider enables the weighing support to rise and fall smoothly.

[0007] Each set of circular slide rails 8 is symmetrically arranged.

[0008] The weighing device also includes a support platform located below the frame. The support platform is fixedly connected to the foot fixing plate of the weighing sensor. During weighing, the foot fixing plate transmits pressure to the weighing sensor.

[0009] One end of each of the multiple chains is fixedly connected to the lower end of the lifting platform. The side wall of the frame is provided with multiple sets of first straight slots and second straight slots. The chains enter from the first straight slot and are fixedly connected to one end of the support.

[0010] Multiple limiting rods are fixedly connected below the support platform 11.

[0011] Compared with the prior art, this utility model has the following advantages: the sliding connection between the support slider and the slide rail ensures smooth lifting and lowering of the weighing rack, uniform force distribution, and effectively avoids shaking or tilting, enabling the weighing sensor to accurately sense the weight of the tobacco leaves and provide accurate and reliable weighing data for intelligent packaging; the limit rod under the weighing platform supports the platform when not weighing, transferring the platform weight from the weighing sensor, preventing the sensor from being damaged by prolonged pressure, extending its service life, and ensuring that the sensor can work accurately and sensitively during weighing; the external slide rail design reduces the difficulty of production and installation, improves the efficiency of production assembly, and facilitates the maintenance and repair of the equipment in the later stages. Attached Figure Description

[0012] Figure 1 This is a first-angle schematic diagram of the weighing slide rail device of an intelligent tobacco leaf baling machine according to this utility model;

[0013] Figure 2 This is a second-angle schematic diagram of the main body of the weighing slide rail device of an intelligent tobacco leaf baling machine according to this utility model;

[0014] Figure 3 This is a schematic diagram of the weighing device structure of a weighing slide rail device for an intelligent tobacco leaf baling machine according to this utility model.

[0015] Figure 4 This is a schematic diagram of the weighing slide rail device and weighing sensor of an intelligent tobacco leaf baling machine according to this utility model;

[0016] Figure 5 This is a schematic diagram of the connection between the weighing slide rail device, lifting platform, and chain of an intelligent tobacco leaf baling machine according to this utility model;

[0017] Figure 6 This is a schematic diagram of the weighing slide rail device support platform of an intelligent tobacco leaf baling machine according to this utility model;

[0018] The following are the labels in the diagram: 1. Frame; 2. Lifting platform; 3. Support leg; 4. Support rod; 5. Support base; 6. Slider; 7. Circular slide rail; 8. Chain; 9. First straight slot; 10. Support platform; 11. Second straight slot; 12. Limiting rod; 13. Weighing sensor; 14. Foot fixing plate; 15. Detailed Implementation

[0019] The following are specific embodiments of the present invention, and the technical solution of the present invention will be further described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0020] like Figure 1-6 As shown, this utility model provides a weighing slide rail device for an intelligent tobacco leaf baling machine, including a frame 1, multiple support legs 3 below the frame 1, a lifting platform 2 above the frame 1, and a weighing device below the frame 1. The lifting platform 2 lifts the weighing device through multiple chains 9. The weighing device includes a weighing support 4 fixedly connected to one end of the multiple chains 9. The side wall of the weighing support 4 is fixedly connected to multiple sliding parts to prevent the weighing support 4 from twisting when it is raised or lowered. Multiple sets of weighing sensors 14 are pressed onto the top of the weighing support 4.

[0021] like Figure 1-4 As shown, multiple support legs 3 are provided below the frame 1 to stably support the entire device; the lifting platform 2 above the frame 1 is connected to the weighing device below through multiple chains 9. The weighing device is lifted by the chains 9 to perform the weighing operation. The weighing tray 4 in the weighing device is fixedly connected to one end of the chain 9. Multiple sliding parts are fixed to the side wall of the weighing tray 4. These sliding parts can prevent the weighing tray 4 from twisting during the lifting process to ensure the accuracy of the weighing. Multiple sets of weighing sensors 14 are pressed on the top of the weighing tray 4 to measure the weight information of the tobacco leaves on the weighing tray 4, thereby providing accurate weighing data for the intelligent baling machine and realizing precise control of the weight of the tobacco leaf baling.

[0022] The multiple sliding components fixed to the side wall of the weighing support 4 include a support rod 5 fixed to the lower side wall of the frame 1. The support rod 5 is fixed to the bottom of the frame 1 with multiple sets of support seats 6. Each set of support seats 6 is equipped with a circular slide rail 8. The circular slide rail 8 is slidably connected to a slider 7. The slider 7 is fixedly connected to the side wall of the weighing support 4, and the slider 7 enables the weighing support 4 to rise and fall smoothly.

[0023] Support rods 5 are fixedly connected to both sides of the bottom of the frame 1. The support rods 5 are firmly connected to multiple sets of support seats 6 at the bottom of the frame 1. Each set of support seats 6 is equipped with a circular slide rail 8, which provides a smooth path for the movement of the slider 7. The slider 7 and the circular slide rail 8 are slidably connected. This connection method allows the slider 7 to slide flexibly on the circular slide rail 8. Since the slider 7 is fixed to the side wall of the weighing tray 4, when the lifting platform 2 drives the weighing tray 4 to rise or fall, the slider 7 will slide smoothly along the circular slide rail 8, thereby effectively preventing the weighing tray 4 from twisting during the lifting process. This effectively ensures the accuracy of weighing and provides a stable and reliable weighing foundation for intelligent packaging of tobacco leaves.

[0024] Each set of circular slide rails 8 is symmetrically arranged.

[0025] Each set of circular slide rails 8 is symmetrically arranged. This symmetrical layout allows the weighing tray 4 to be subjected to more even force during lifting and lowering, ensuring the smooth operation of the weighing tray 4. At the same time, there are strict requirements for the offset of the circular slide rails 8, which must be less than 0.3 mm. This precise offset control is of great significance. When the weighing tray 4 is lifted and lowered, the slider 7 slides along the circular slide rails 8. The extremely small offset ensures the high precision of the slider 7's movement path, avoiding the weighing tray 4 from shaking or tilting due to excessive offset of the circular slide rails 8. In this way, the weighing sensor 14 can more accurately sense the weight of the tobacco leaves on the weighing tray 4, thereby providing more accurate and reliable weighing data for the intelligent baling machine and greatly improving the accuracy of the weighing process.

[0026] The weighing device also includes a support platform 11 located below the frame 1. The support platform 11 is fixedly connected to the foot fixing plate 15 of the weighing sensor 14. During weighing, the foot fixing plate 15 transmits pressure to the weighing sensor 14.

[0027] like Figure 5-6 As shown, the support platform 11 located below the frame 1 is fixedly connected to the foot fixing plate 15 of the weighing sensor 14. When it is necessary to weigh the tobacco leaves, the cart full of tobacco leaves (not shown in the figure) is pushed onto the support platform 11. When the weighing tray 4 is lifted upward, the weight generated by the cart placed on the support platform 11 will be transmitted to the foot fixing plate 15 through the support platform 11. The foot fixing plate 15 transmits this pressure to the weighing sensor 14. The weighing sensor 14 then calculates and converts the received pressure data to accurately obtain the weight information of the tobacco leaves, providing crucial basic data for the subsequent intelligent packaging process and ensuring that the weight of the packaged tobacco leaves meets the standards.

[0028] One end of the multiple chains 9 is fixedly connected to the lower end of the lifting platform 2. The side wall of the frame 1 is provided with multiple sets of first straight slots 10 and second straight slots 12. The chains 9 enter from the first straight slot 10 and are fixedly connected to one end of the support 4.

[0029] One end of the chain 9 is securely fixed to the lower end of the lifting platform 2, which provides power to drive the chain 9. Multiple sets of first straight slots 10 and second straight slots 12 are correspondingly provided on the side wall of the frame 1. The chain 9 enters the frame 1 through the first straight slot 10 and is then tightly fixed to one end of the weighing tray 4 through the second straight slot 12. When the lifting platform 2 rises or falls, it drives the chain 9 to move synchronously. The chain 9 passes through the first straight slot 10 within the frame 1, thereby pulling the weighing tray 4 to perform corresponding lifting and weighing actions, thus achieving the lifting and weighing operation of the tobacco leaves located on the weighing tray 4.

[0030] Multiple limiting rods 13 are fixedly connected below the support platform 11.

[0031] Multiple limiting rods 13 fixed below the support platform 11 will contact the bottom of the frame 1 to support the support platform 11 when weighing is not required. In this way, the limiting rods 13 effectively transfer the weight of the support platform 11 from the weighing sensor 14, so that the weighing sensor 14 no longer bears the weight of the platform itself and any residual material. This avoids damage to the weighing sensor 14 due to prolonged pressure, extends its service life, and ensures that when weighing is required, the weighing sensor 14 can accurately and sensitively sense and measure the weight of the tobacco leaves placed on the support platform 11, providing reliable weighing data support for intelligent tobacco packaging.

[0032] The weighing slide rail device of this utility model for an intelligent tobacco baling machine operates as follows: When the lifting platform is in operation, it drives the chain to pull the weighing tray upward. At this time, the slider slides smoothly along the circular slide rail to prevent the weighing tray from twisting. During the lifting process, the weight of the tobacco leaves placed on the support platform is transmitted to the foot fixing plate through the platform and then to the weighing sensor, providing data for intelligent baling. After weighing is completed, the lifting platform descends and the weighing tray falls back down. When weighing is not required, the limit rod contacts the bottom of the frame to support the support platform, transferring the weight of the platform, thereby preventing the weighing sensor from being damaged by prolonged pressure and extending its service life.

[0033] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. 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, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A weighing slide rail device for an intelligent tobacco leaf baling machine, comprising a frame (1) and a plurality of support legs (3) below the frame (1), characterized in that: The frame (1) is provided with a lifting platform (2) above it and a weighing device is provided below it. The lifting platform (2) lifts the weighing device through multiple chains (9). The weighing device includes a weighing support (4) fixedly connected to one end of multiple chains (9). The side wall of the weighing support (4) is fixedly connected to multiple sliding parts to prevent the weighing support (4) from twisting when it is raised or lowered. Multiple sets of weighing sensors (14) are pressed on the top of the weighing support (4).

2. The weighing slide rail device of the intelligent tobacco leaf baling machine as described in claim 1, characterized in that: The multiple sliding components fixed to the side wall of the weighing support (4) include a support rod (5) fixed to the lower side wall of the frame (1). The support rod (5) is fixed to the bottom of the frame (1) with multiple sets of support seats (6). Each set of support seats (6) is equipped with a circular slide rail (8). The circular slide rail (8) is slidably connected to a slider (7). The slider (7) is fixedly connected to the side wall of the weighing support (4). The slider (7) enables the weighing support (4) to rise and fall smoothly.

3. The weighing slide rail device of the intelligent tobacco leaf baling machine as described in claim 2, characterized in that: Each set of circular slide rails (8) is symmetrically arranged.

4. The weighing slide rail device of the intelligent tobacco leaf baling machine as described in claim 1, characterized in that: The weighing device also includes a support platform (11) located below the frame (1). The support platform (11) is fixedly connected to the foot fixing plate (15) of the weighing sensor (14). When weighing, the foot fixing plate (15) transmits pressure to the weighing sensor (14).

5. The weighing slide rail device of the intelligent tobacco leaf baling machine as described in claim 1, characterized in that: One end of the multiple chains (9) is fixedly connected to the lower end of the lifting platform (2). The side wall of the frame (1) is provided with multiple sets of first straight slots (10) and second straight slots (12). The chains (9) enter from the first straight slot (10) and are fixedly connected to one end of the support (4).

6. The weighing slide rail device of the intelligent tobacco baling machine as described in claim 4, characterized in that: Multiple limiting rods (13) are fixedly connected below the support platform (11).