A flexible positioning device

Abstract

The utility model discloses a flexible positioning device, including a plurality of length fixed plate and set in the upper two ends of a plurality of length fixed plate width fixed plate, length fixed plate below is equipped with first, second length staggered board, first, second length staggered board is slidably connected with length fixed plate respectively, and first, second length staggered board bottom is provided with left, right clamping block respectively, and first, second length staggered board is connected with first drive motor respectively, and the mutual approach or the mutual away of left, right clamping block is realized through the drive of first drive motor, width fixed plate below is equipped with first, second width staggered board, first, second width staggered board is slidably connected with width fixed plate respectively, and first, second width staggered board bottom is fixedly connected with length fixed plate through connecting block respectively, and first, second width staggered board is connected with second drive motor respectively, and the mutual approach or the mutual away of adjacent length fixed plate is realized through the drive of second drive motor.

Description

Technical Field

[0001] This utility model relates to the field of flexible conveying automation, specifically a flexible positioning device. Background Technology

[0002] In the manufacturing process of new energy batteries, the batteries need to undergo multiple transfer and processing operations. During this process, not only is the position of the battery prone to shifting, but also because different battery models have significant differences in length and width specifications, positioning devices are needed to correct and fix the battery's position to ensure the stable operation of subsequent processes.

[0003] Existing positioning devices have significant limitations: First, some devices can only be used with a single battery type. When the production line needs to switch battery models, the corresponding fixtures must be replaced manually, which is not only cumbersome but also significantly reduces production efficiency. Second, although some devices have a certain size adjustment capability, the overall positioning device occupies a large space, making it difficult to adapt to the compact layout requirements of automated production lines. This results in the need to reserve more space when installing the equipment, increasing the difficulty of site planning and space usage costs in the production workshop.

[0004] Therefore, designing a flexible positioning device that can flexibly adapt to various battery specifications and has a compact structure has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this invention is to overcome the problems of existing flexible positioning devices being able to only adapt to a single type of battery and having a large space occupation, and to provide a flexible positioning device.

[0006] The present invention provides a flexible positioning device, comprising: Multiple length fixing plates and width fixing plates disposed above both ends of the multiple length fixing plates; The length adjustment assembly includes a first slide rail disposed on the bottom surface of each length fixing plate, a first and a second length misalignment plate disposed at intervals below the first slide rail, both the first and second length misalignment plates having staggered cavity channels, a first and a second slider disposed on the first slide rail, the first slider being connected to the first length misalignment plate, the second slider passing through the cavity channel of the first length misalignment plate and being connected to the second length misalignment plate, and left and right clamping blocks disposed below the second length misalignment plate, the left clamping block passing through the cavity channel of the second length misalignment plate and being connected to the first length misalignment plate, and the right clamping block being connected to the second length misalignment plate; The first length misalignment plate and the second length misalignment plate are respectively connected to a first drive motor that drives the relative length fixed plate to slide. The width adjustment assembly includes a second slide rail disposed on the bottom surface of a width fixing plate. A first and a second width misalignment plate are provided between the second slide rail and a length fixing plate. Both the first and second width misalignment plates have staggered cavity channels. A third and a fourth slider are provided on the second slide rail. The third slider is connected to the first width misalignment plate, and the bottom end of the fourth slider passes through the cavity channel of the first width misalignment plate and connects to the second width misalignment plate. A front and a rear connecting block are provided below the second width misalignment plate. One end of the front connecting block is connected to the length fixing plate, and the other end passes through the cavity channel of the second width misalignment plate and connects to the first width misalignment plate. One end of the rear connecting block is connected to the length fixing plate, and the other end is connected to the second width misalignment plate. The first and second width misalignment plates are respectively connected to a second drive motor that drives the sliding of their respective relative width fixed plates.

[0007] Furthermore, the cavity channel of the second length misalignment plate is a rectangular cavity channel, the bottom end of the first slider is fixedly connected to the top surface of the first length misalignment plate, and the left clamping block passes through the rectangular cavity channel and is fixedly connected to the bottom surface of the first length misalignment plate.

[0008] Furthermore, the cavity channel of the first length misalignment plate is a rectangular cavity channel, the bottom end of the second slider passes through the rectangular cavity channel and is fixedly connected to the top surface of the second length misalignment plate, and the right clamping block is fixedly connected to the bottom surface of the second length misalignment plate.

[0009] Furthermore, a helical rack is provided at the bottom leftmost end of the first length misalignment plate, and a helical rack is provided at the bottom rightmost end of the second length misalignment plate. The first drive motor is respectively located directly below the helical racks of the first and second length misalignment plates. The output shaft of the first drive motor is provided with a drive gear, which meshes with the helical rack.

[0010] Furthermore, the cavity channel of the second width misalignment plate is a rectangular cavity channel, the bottom end of the third slider is fixedly connected to the top surface of the first width misalignment plate, one end of the front connecting block is fixedly connected to the top surface of the length fixing plate, and the other end passes through the rectangular cavity channel and is fixedly connected to the bottom surface of the first width misalignment plate.

[0011] Furthermore, the cavity channel of the first width misalignment plate is a rectangular cavity channel, the bottom end of the fourth slider passes through the rectangular cavity channel and is fixedly connected to the top surface of the second width misalignment plate, one end of the rear connecting block is fixedly connected to the top surface of the length fixing plate, and the other end is fixedly connected to the bottom surface of the second width misalignment plate.

[0012] Furthermore, a helical rack is provided at the bottom front end of the first width misalignment plate and a helical rack is provided at the bottom rear end of the second width misalignment plate. The second drive motor is respectively located directly below the helical racks of the first width misalignment plate and the second width misalignment plate. The output shaft of the second drive motor is provided with a drive gear, which meshes with the helical rack.

[0013] Furthermore, the length fixing plate is also equipped with sensor sheet metal.

[0014] Furthermore, the width fixing plate is also equipped with a through-mount sheet metal.

[0015] Furthermore, the left and right clamping blocks are "L" shaped clamping blocks.

[0016] The beneficial effects of this technical solution are that it effectively solves the core pain points of existing positioning devices, which can only be adapted to a single battery specification and have an excessively large overall size. Specifically, this is reflected in the following aspects: In terms of length positioning adjustment, the coordinated operation of the first and second length misalignment plates, combined with the meshing transmission of the first drive motor and the helical rack, can precisely drive the left and right clamping blocks to adjust the spacing, meeting the positioning requirements of batteries of different length specifications. There is no need to manually change the clamps, which greatly simplifies the model switching process and improves production efficiency. At the same time, the cavity channel of the first length misalignment plate can limit the sliding range of the second slider, thereby limiting the movement boundary of the right clamping block. The cavity channel of the second length misalignment plate directly limits the movement range of the left clamping block. Together, they control the maximum opening distance of the left and right clamping blocks, ensuring that the adjustment process is stable and does not exceed the travel limit, thus guaranteeing positioning accuracy.

[0017] In terms of width positioning adjustment, relying on the transmission cooperation between the first and second width misalignment plates and the second drive motor, the spacing between adjacent length fixing plates can be flexibly adjusted to adapt to batteries of different width specifications. Among them, the cavity channel of the first width misalignment plate can limit the sliding range of the fourth slider, indirectly limiting the movement boundary of the rear connecting block, while the cavity channel of the second width misalignment plate directly limits the movement range of the front connecting block, effectively controlling the degree of approach or distance of adjacent length fixing plates, and avoiding structural interference caused by excessive adjustment.

[0018] Furthermore, the compact design of the aforementioned misalignment plate and cavity channel significantly reduces the overall size of the device, minimizing space occupancy and making it more suitable for the compact layout requirements of automated production lines, thus reducing the difficulty of production workshop site planning and space utilization costs. Simultaneously, the sensing sheet metal on the length fixing plate and the through-beam mounting sheet metal on the width fixing plate can assist in detecting component adjustment positions and battery positioning, further improving the reliability of the positioning process. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings: Figure 1 A schematic diagram of the flexible positioning device provided by this utility model; Figure 2 A schematic diagram of the length adjustment component provided by this utility model; Figure 3 A schematic diagram of the width adjustment component provided by this utility model; Figure 4 A bottom view of the second-width misalignment plate provided by this utility model.

[0020] Figure Labels

[0021] 1-Length fixing plate; 2-Width fixing plate; 3-First slide rail; 4-First length misalignment plate; 5-Second length misalignment plate; 6-First slider; 7-Second slider; 8-Left clamping block; 9-Right clamping block; 10-First drive motor; 11-Second slide rail; 12-First width misalignment plate; 13-Second width misalignment plate; 14-Third slider; 15-Fourth slider; 16-Front connecting block; 17-Rear connecting block; 18-Second drive motor; 19-Induction sheet metal; 20-Through-shoot mounting sheet metal. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0027] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of this utility model.

[0028] In the following description, suffixes such as "module," "part," "component," or "unit" are used only for the purpose of describing this utility model and have no specific meaning in themselves. Therefore, they can be used in combination.

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0030] According to one embodiment of this utility model, please refer to the following: Figures 1-4 A flexible positioning device, comprising: Multiple length fixing plates 1 and width fixing plates 2 disposed above both ends of the multiple length fixing plates 1; The length adjustment assembly includes a first slide rail 3 disposed on the bottom surface of each of the length fixing plates 1. A first and a second length misalignment plate are disposed at intervals below the first slide rail 3. Both the first and second length misalignment plates 4 and 5 have staggered cavity channels. A first and a second slider are disposed on the first slide rail 3. The first slider 6 is connected to the first length misalignment plate 4. The second slider 7 passes through the cavity channel of the first length misalignment plate 4 and is connected to the second length misalignment plate 5. A left and a right clamping block are disposed below the second length misalignment plate 5. The left clamping block 8 passes through the cavity channel of the second length misalignment plate 5 and is connected to the first length misalignment plate 4. The right clamping block 9 is connected to the second length misalignment plate 5. The first length misalignment plate 4 and the second length misalignment plate 5 are respectively connected to a first drive motor 10 that drives the respective relative length fixed plate 1 to slide. The width adjustment assembly includes a second slide rail 11 disposed on the bottom surface of the width fixing plate 2. A first and a second width misalignment plate are provided between the second slide rail 11 and the length fixing plate 1. The first width misalignment plate 12 and the second width misalignment plate 13 are both provided with staggered cavity channels. A third and a fourth slider are provided on the second slide rail 11. The third slider 14 is connected to the first width misalignment plate 12. The bottom end of the fourth slider 15 passes through the cavity channel of the first width misalignment plate 12 and is connected to the second width misalignment plate 13. A front and a rear connecting block are provided below the second width misalignment plate 13. One end of the front connecting block 16 is connected to the length fixing plate 1, and the other end passes through the cavity channel of the second width misalignment plate 13 and is connected to the first width misalignment plate 12. One end of the rear connecting block 17 is connected to the length fixing plate 1, and the other end is connected to the second width misalignment plate 13. The first width misalignment plate 12 and the second width misalignment plate 13 are respectively connected to a second drive motor 18 that drives the respective relative width fixed plate 2 to slide.

[0031] In this embodiment, the target parameters of the length adjustment component and the width adjustment component are preset according to the length and width specifications of the new energy battery to be positioned. The first drive motor 10 is started, and its output shaft drives the drive gear to rotate. The gear meshes with the helical rack at the bottom of the first and second length misalignment plates, thereby driving the first length misalignment plate 4 and the second length misalignment plate 5 to slide along the first slide rail 3. Simultaneously, the left clamping block 8 and the right clamping block 9 are driven to move closer or further apart until the spacing is adjusted to match the battery length. Then, the second drive motor 18 is started. Similarly, through the meshing transmission of the gear and the helical rack, the first width misalignment plate 12 and the second width misalignment plate 13 are driven to slide along the second slide rail 11. The front connecting block 16 and the rear connecting block 17 then drive the multiple length fixing plates 1 to adjust the spacing until they match the battery width specifications. When the battery is transferred from the upstream process to the positioning area, the left and right clamping blocks clamp the battery from the length direction, and the adjacent length fixing plates limit the battery from the width direction, thus completing the precise positioning. During the process, the cavity channels on the first and second length misalignment plates and the width misalignment plates respectively limit the movement range of the slider and the connecting block, thereby limiting the maximum opening and closing distance of the left clamping block 8 and the right clamping block 9, avoiding overtravel adjustment. At the same time, the compact misalignment plate stacking structure greatly reduces the space occupied by the device, eliminates the need for manual clamp replacement, and adapts to the continuous operation requirements of automated production lines.

[0032] In one possible implementation, the cavity channel of the second length misalignment plate 5 is a rectangular cavity channel, the bottom end of the first slider 6 is fixedly connected to the top surface of the first length misalignment plate 4, and the left clamping block 8 passes through the rectangular cavity channel and is fixedly connected to the bottom surface of the first length misalignment plate 4.

[0033] In this embodiment, the dimension of the rectangular cavity channel along the length of the length fixing plate 1 is larger than the dimension of the left clamping block 8. The regular geometry of the rectangular cavity channel provides stable guidance for the movement of the left clamping block 8, effectively limiting its movement to the length of the channel and preventing lateral shifting or vertical swaying during clamping. Simultaneously, the first slider 6 stably connects the first length misalignment plate 4 to the first slide rail 3. When the first length misalignment plate 4 slides along the first slide rail 3 under the drive of the first drive motor 10, the left clamping block 8 can move synchronously and smoothly with the first length misalignment plate 4, ensuring accurate clamping and positioning of the left clamping block 8 on the left side of the battery.

[0034] In one possible implementation, the cavity channel of the first length misalignment plate 4 is a rectangular cavity channel, the bottom end of the second slider 7 passes through the rectangular cavity channel and is fixedly connected to the top surface of the second length misalignment plate 5, and the right clamping block 9 is fixedly connected to the bottom surface of the second length misalignment plate 5.

[0035] In this embodiment, the dimension of the rectangular cavity channel along the length of the length fixing plate 1 is larger than the dimension of the second slider 7, ensuring that the second slider 7 can slide back and forth within the rectangular cavity channel along the length of the length fixing plate 1. The rectangular cavity channel is mainly used to limit the sliding range of the second slider 7, thereby indirectly limiting the movement boundary of the right clamping block 9, preventing the right clamping block 9 from being too far apart from the left clamping block 8 due to overtravel during adjustment. The second slider 7 passes through the channel to slide the second length misalignment plate 5 to the first slide rail 3, allowing the second length misalignment plate 5 to slide stably along the first slide rail 3, driving the right clamping block 9 to adjust its position synchronously. When adapting to batteries of different lengths, such as when processing long-specification batteries, the distance between the left and right clamping blocks needs to be increased. The second length misalignment plate 5 slides outward along the slide rail, and the right clamping block 9 moves away from the left clamping block 8. The rectangular channel ensures that the second slider 7 always slides in the preset direction, avoiding the right clamping block 9 from shifting, ensuring the spacing accuracy when the left and right clamping blocks are engaged, and achieving stable clamping of batteries of different lengths.

[0036] In one possible implementation, a helical rack is provided at the bottom leftmost end of the first length misalignment plate 4, and a helical rack is provided at the bottom rightmost end of the second length misalignment plate 5. The first drive motor 10 is respectively located directly below the helical racks of the first length misalignment plate 4 and the second length misalignment plate 5. The output shaft of the first drive motor 10 is provided with a drive gear, and the drive gear meshes with the helical rack.

[0037] In this embodiment, the meshing transmission structure of the gear and helical rack has the advantages of precise transmission and no slippage, ensuring that the power of the first drive motor 10 is stably transmitted to the first and second length misalignment plates. Since the first drive motor 10 is located directly below the helical rack, the meshing direction of the drive gear and the helical rack is perpendicular to the sliding direction of the length misalignment plate, and no lateral force is generated, avoiding jamming or displacement of the first length misalignment plate 4 and the second length misalignment plate 5 during sliding. When it is necessary to adjust the battery length direction positioning, the left first drive motor 10 is started, and the gear drives the helical rack of the first length misalignment plate 4, causing the first length misalignment plate 4 to slide left or right along the first slide rail 3; the right first drive motor 10 is started, driving the second length misalignment plate 5 to slide left or right along the first slide rail 3, so that the second length misalignment plate is adjusted synchronously. The two work together to achieve precise adjustment of the distance between the left and right clamping blocks.

[0038] In one possible implementation, the cavity channel of the second width misalignment plate 13 is a rectangular cavity channel, the bottom end of the third slider 14 is fixedly connected to the top surface of the first width misalignment plate 12, one end of the front connecting block 16 is fixedly connected to the top surface of the length fixing plate 1, and the other end passes through the rectangular cavity channel and is fixedly connected to the bottom surface of the first width misalignment plate 12.

[0039] In this embodiment, the dimension of the rectangular cavity channel along the length of the width fixing plate 2 is larger than the dimension of the front connecting block 16, ensuring that the front connecting block 16 can move back and forth within the rectangular cavity channel along the length of the width fixing plate 2. The rectangular cavity channel effectively restricts the range of motion of the front connecting block 16, preventing it from shifting when moving the length fixing plate 1, and ensuring that the length fixing plate 1 is always smoothly adjusted along the width direction. The third slider 14 stably connects the first width misalignment plate 12 to the second slide rail 11. When the second drive motor 18 drives the first width misalignment plate 12 to slide along the second slide rail, the front connecting block 16 can move synchronously with the first width misalignment plate 12, thereby driving the length fixing plate 1 to adjust its position. For example, when processing narrow-specification batteries, it is necessary to reduce the spacing between adjacent length fixing plates 1. The first width misalignment plate 12 slides inward along the slide rail, and the front connecting block 16 drives the length fixing plate 1 to move closer to the length fixing plate 1 fixed by the adjacent rear connecting block 17 through the rectangular channel. The regular shape of the rectangular channel can also reduce the movement gap of the front connecting block, ensure that the spacing of multiple length fixing plates 1 is adjusted evenly, and avoid the battery width direction positioning offset caused by uneven spacing.

[0040] In one possible implementation, the cavity channel of the first width misalignment plate 12 is a rectangular cavity channel, the bottom end of the fourth slider 15 passes through the rectangular cavity channel and is fixedly connected to the top surface of the second width misalignment plate 13, one end of the rear connecting block 17 is fixedly connected to the top surface of the length fixing plate 1, and the other end is fixedly connected to the bottom surface of the second width misalignment plate 13.

[0041] In this embodiment, the dimension of the rectangular cavity channel along the length of the width fixing plate 2 is larger than the dimension of the fourth slider 15. This ensures that the fourth slider 15 slides back and forth within the rectangular cavity channel along the length of the width fixing plate 2. The rectangular cavity channel is mainly used to limit the sliding range of the fourth slider 15, thereby controlling the movement amplitude of the second width misalignment plate 13 and preventing the second width misalignment plate 13 from overtraveling and causing excessive adjustment of the length fixing plate spacing. The fourth slider 15 passes through the channel to connect the second width misalignment plate 13 to the second slide rail 11, allowing the second width misalignment plate 13 to slide stably along the second slide rail 11, driving the rear connecting block 17 to move synchronously. The rear connecting block 17 and the front connecting block 16 are respectively connected to adjacent length fixing plates 1. The cooperation between the two makes the length fixing plates more stable when adjusting in the width direction, preventing tilting.

[0042] In one possible implementation, a helical rack is provided at the bottom front end of the first width misalignment plate 12, and a helical rack is provided at the bottom rear end of the second width misalignment plate 13. The second drive motor 18 is respectively located directly below the helical racks of the first width misalignment plate 12 and the second width misalignment plate 13. The output shaft of the second drive motor 18 is provided with a drive gear, which meshes with the helical rack.

[0043] In this embodiment, the precision of the gear and rack transmission ensures that the power of the second drive motor 18 is efficiently transmitted to the first width misalignment plate 12 and the second width misalignment plate 13. The second drive motor 18 is located directly below the helical rack, so that the transmission direction is consistent with the sliding direction of the first width misalignment plate 12 and the second width misalignment plate 13, avoiding the generation of additional lateral force and ensuring smooth sliding of the first width misalignment plate 12 and the second width misalignment plate 13. When it is necessary to adjust the battery width direction positioning, the front second drive motor 18 is started, and the gear drives the helical rack of the first width misalignment plate 12, so that the first width misalignment plate 12 slides forward or backward along the second slide rail 11; the rear second drive motor 18 is started, driving the helical rack of the second width misalignment plate 13, so that the second width misalignment plate 13 is adjusted synchronously. The two are connected by the front connecting block 16 and the rear connecting block 17 to drive the length fixing plate 1 to adjust the distance. This transmission method not only has high adjustment precision, but can also adapt to the continuous operation requirements of automated production lines. For example, when frequently changing battery width specifications, the motor can respond and adjust quickly without manual intervention, greatly improving production efficiency.

[0044] In one possible implementation, the length fixing plate 1 is further provided with a sensing sheet metal 19.

[0045] In this embodiment, the sensing sheet metal 19 is used in conjunction with the detection sensors on the production line. It is mainly used to help determine whether the battery has accurately entered the positioning area, ensuring that the subsequent clamping and positioning actions are only started after the battery is in place, reducing positioning errors caused by battery position deviation, and improving the accuracy and stability of the positioning process.

[0046] In one possible implementation, the width fixing plate 2 is further provided with a through-mount sheet metal 20.

[0047] In this embodiment, the through-beam mounting sheet metal 20 is used in conjunction with the through-beam sensor on the production line. The sensor's light detection function is used to determine whether the battery has entered the positioning area. When the battery is in position and blocks the light, the subsequent positioning action can be triggered; if the battery is not in position, the positioning action will not be started temporarily. This ensures that the positioning operation is only performed when the battery position meets the requirements, improving the accuracy of positioning and the stability of the process.

[0048] In one possible implementation, the left clamping block 8 and the right clamping block 9 are "L"-shaped clamping blocks.

[0049] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A flexible positioning device, characterized in that, include: Multiple length fixing plates and width fixing plates disposed above both ends of the multiple length fixing plates; The length adjustment assembly includes a first slide rail disposed on the bottom surface of each of the length fixing plates. A first and a second length misalignment plate are disposed at intervals below the first slide rail. Both the first and second length misalignment plates have staggered cavity channels. A first and a second slider are disposed on the first slide rail. The first slider is connected to the first length misalignment plate, and the second slider passes through the cavity channel of the first length misalignment plate and is connected to the second length misalignment plate. Left and right clamping blocks are disposed below the second length misalignment plate. The left clamping block passes through the cavity channel of the second length misalignment plate and is connected to the first length misalignment plate, and the right clamping block is connected to the second length misalignment plate. The first length misalignment plate and the second length misalignment plate are respectively connected to a first drive motor that drives the respective relative length fixed plate to slide. A width adjustment assembly includes a second slide rail disposed on the bottom surface of the width fixing plate. A first and a second width misalignment plate are provided between the second slide rail and the length fixing plate. Both the first and second width misalignment plates have staggered cavity channels. A third and a fourth slider are provided on the second slide rail. The third slider is connected to the first width misalignment plate, and the bottom end of the fourth slider passes through the cavity channel of the first width misalignment plate and connects to the second width misalignment plate. A front and a rear connecting block are provided below the second width misalignment plate. One end of the front connecting block is connected to the length fixing plate, and the other end passes through the cavity channel of the second width misalignment plate and connects to the first width misalignment plate. One end of the rear connecting block is connected to the length fixing plate, and the other end is connected to the second width misalignment plate. The first width misalignment plate and the second width misalignment plate are respectively connected to a second drive motor that drives the relative width fixed plate to slide.

2. A flexible positioning device according to claim 1, wherein, The cavity channel of the second length misalignment plate is a rectangular cavity channel. The bottom end of the first slider is fixedly connected to the top surface of the first length misalignment plate, and the left clamping block passes through the rectangular cavity channel and is fixedly connected to the bottom surface of the first length misalignment plate.

3. A flexible positioning device according to claim 2, wherein, The cavity channel of the first length misalignment plate is a rectangular cavity channel. The bottom end of the second slider passes through the rectangular cavity channel and is fixedly connected to the top surface of the second length misalignment plate. The right clamping block is fixedly connected to the bottom surface of the second length misalignment plate.

4. A flexible positioning device according to claim 3, wherein, A helical rack is provided at the bottom leftmost end of the first length misalignment plate, and a helical rack is provided at the bottom rightmost end of the second length misalignment plate. The first drive motor is respectively located directly below the helical racks of the first and second length misalignment plates. The output shaft of the first drive motor is provided with a drive gear, and the drive gear meshes with the helical rack.

5. A flexible positioning device according to claim 1, wherein, The cavity channel of the second width misalignment plate is a rectangular cavity channel. The bottom end of the third slider is fixedly connected to the top surface of the first width misalignment plate. One end of the front connecting block is fixedly connected to the top surface of the length fixing plate, and the other end passes through the rectangular cavity channel and is fixedly connected to the bottom surface of the first width misalignment plate.

6. A flexible positioning device according to claim 5, wherein, The cavity channel of the first width misalignment plate is a rectangular cavity channel. The bottom end of the fourth slider passes through the rectangular cavity channel and is fixedly connected to the top surface of the second width misalignment plate. One end of the rear connecting block is fixedly connected to the top surface of the length fixing plate, and the other end is fixedly connected to the bottom surface of the second width misalignment plate.

7. A flexible positioning device according to claim 6, wherein, The first width misalignment plate has a helical rack at its frontmost bottom and the second width misalignment plate has a helical rack at its rearmost bottom. The second drive motor is located directly below the helical racks of the first and second width misalignment plates, respectively. The output shaft of the second drive motor is equipped with a drive gear, which meshes with the helical rack.

8. A flexible positioning device according to claim 1, wherein, The length fixing plate is also equipped with a sensing sheet metal.

9. A flexible positioning device according to claim 1, wherein, The width fixing plate is also provided with a through-beam mounting sheet metal.

10. The flexible positioning device of claim 1, wherein, The left and right clamping blocks are "L" shaped clamping blocks.

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