A sorting and conveying device for products

Abstract

This invention belongs to the technical field of automated product sorting equipment, and provides a product sorting and conveying device, including a first fixed conveyor line, a variable conveyor line, and a second fixed conveyor line; a third fixed conveyor line, the input end of which is adjacent to the side of the variable conveyor line; a conveying inclined slide, which is disposed below the variable conveyor line; and a sensing unit, which is electrically connected to the variable conveyor line and is used to identify preset category products on the variable conveyor line. Compared with the prior art, this invention cleverly utilizes gravity to achieve automatic sorting by setting the variable conveyor line to switch between straight and inclined states. It eliminates the need for complex robotic arms or lateral push rods, resulting in a compact structure and low cost. This design not only ensures smooth operation and rapid response but also effectively avoids product congestion, collisions, and surface damage caused by traditional baffle sorting, significantly improving the stability and production efficiency of sorting and conveying.

Description

Technical Field

[0001] This invention belongs to the technical field of automatic product sorting equipment, and specifically relates to a product sorting and conveying device. Background Technology

[0002] In the product manufacturing process, the conveying system is an indispensable component. Currently, the conveying system mainly includes the conveyor belt and the conveyor drive motor used to drive the conveyor belt. Products are placed on the conveyor belt, and the conveyor drive motor drives the conveyor belt to move, thus achieving product transport. Simultaneously, during the product transport process, products usually need to be classified and transported according to preset judgment criteria to differentiate them based on their posture, appearance, quality, and other factors.

[0003] In the production process, classifying different products essentially falls under the field of classification and conveying technology. Chinese patent CN202120345249.1, entitled "A Classification and Conveying System," discloses a classification and conveying system, including a conveyor frame, a conveyor belt mounted on the conveyor frame, and a conveying drive assembly for driving the conveyor belt. It also includes a guide mechanism connected to the conveyor frame, located above the conveyor belt with a gap between the guide mechanism and the conveyor belt. The guide mechanism and the conveyor belt form a main guide channel and multiple sub-guide channels, which are connected to the main guide channel to form classification openings. The side of the main guide channel away from the sub-guide channels is upstream of the conveyor belt, and the end of the sub-guide channels away from the main guide channel is downstream of the conveyor belt. Adjacent to two classification openings are classification guides for rotating to close or open the classification openings. These guides are connected to the classification drive assembly for driving their rotation. When the classification guides are in a closed or open state, the distance between the free end of the classification guide and the upstream of the conveyor belt is less than the distance between the rotating connection end and the upstream of the conveyor belt. The main guide channel is equipped with a product detection assembly electrically connected to the classification drive assembly.

[0004] However, the existing sorting and conveying systems mentioned above still have many shortcomings in practical applications: First, this system typically requires the integration of a sophisticated appearance inspection system to identify product features and relies on robotic arms or precision sorting guides for physical sorting. This complex "inspection + execution" dual structure results in high overall equipment costs and a large footprint.

[0005] Secondly, due to the large number of moving parts (such as rotating sorting guides, robotic arm joints, etc.) and precision detection components in the system, its maintenance is quite difficult and requires a high level of technical expertise from operators. Once a critical component (such as a sensor malfunction or a drive motor failure) malfunctions, it often causes the entire sorting conveyor line to stop, seriously affecting production efficiency and continuity.

[0006] In addition, existing lateral pushing or robotic gripping methods are prone to tipping, collision or surface damage when handling high-speed flowing products due to lag or improper force control. Their stability and flexibility need to be improved, especially when handling fragile or posture-sensitive products.

[0007] Therefore, developing a device that is relatively simple in structure, low in cost, easy to maintain, and capable of automatically classifying and conveying products according to their characteristics (such as height) in a highly efficient and stable manner has become an urgent problem to be solved in the current technological field. Summary of the Invention

[0008] The technical problem to be solved by the present invention is to provide a sorting and conveying device for products, in light of the current state of the prior art.

[0009] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: a product sorting and conveying device is proposed, comprising: a first fixed conveying line, a variable conveying line and a second fixed conveying line arranged sequentially adjacent to each other along the product conveying direction; The third fixed conveyor line has its input end adjacent to the side of the variable conveyor line and is used to receive products of a preset category. A conveying inclined slide is provided below the variable conveyor line, with its high end facing away from the third fixed conveyor line and its low end extending to the input end of the third fixed conveyor line. A sensing unit, electrically connected to the variable conveyor line, is used to identify a preset category of products on the variable conveyor line; The variable conveyor line has a straight conveying state and an inclined transfer state; When the sensing unit detects a product of a preset category, it drives the variable conveyor line to switch to an inclined transport state, so that the bearing surface of the inclined conveyor slide is exposed above the bearing surface of the variable conveyor line. The inclined conveyor slide receives the product of the preset category and guides it to the third fixed conveyor line. When the variable conveyor line is in a straight conveying state, its bearing surface completely covers the conveying inclined slide, and the product is conveyed from the first fixed conveyor line to the second fixed conveyor line via the variable conveyor line.

[0010] In the aforementioned product sorting and conveying device, when the variable conveyor line switches to the inclined transfer state, the conveying chute is passively exposed above the bearing surface of the variable conveyor line.

[0011] The aforementioned product sorting and conveying device further includes a drive assembly for switching the variable conveyor line between the straight conveying state and the inclined transfer state, the drive assembly comprising: An installation platform is provided below the variable conveyor line. The installation platform includes a first mounting seat and a second mounting seat that are spaced apart in a vertical direction. The second mounting seat is located above the first mounting seat, and one end of the variable conveyor line is hinged to the second mounting seat. Two drive components, one end of each drive component hinged to the first mounting base, and the other end of each drive component hinged to the other end of the variable conveyor line; wherein... Each of the drive components, the variable conveyor line, the first mounting base, and the second mounting base forms a four-bar linkage mechanism for driving the variable conveyor line to switch between the straight conveying state and the inclined transfer state.

[0012] In the aforementioned product sorting and conveying device, the conveying inclined slide includes two slide bodies, which are fixedly mounted on a second mounting base at a distance. Each slide body has an inclined surface at one end facing the variable conveyor line, and a plurality of first rollers are spaced apart on the inclined surface. When the variable conveyor line switches to the inclined transfer state, all of the first rollers contact the bottom surface of the preset category of products.

[0013] In the aforementioned product sorting and conveying device, a second roller is provided on the side of the variable conveyor line facing the third fixed conveyor line; wherein... When the variable conveyor line is in the inclined transfer state, the rotation center of the second roller is parallel to the rotation center of the first roller, so as to allow the preset category products to transition to the third fixed conveyor line.

[0014] In the above-mentioned product sorting and conveying device, the variable conveyor line includes main support frames on both sides along the product conveying direction, and multiple rollers spaced apart between the two main support frames. The multiple rollers are connected by a chain, and the distance between two adjacent rollers is greater than the width of the slide body. When the variable conveyor line is in the straight conveying state, the axes of the plurality of rollers are perpendicular to the product conveying direction, one of the main support frames is hinged to the second mounting base, and the other main support frame is hinged to the other end of the drive member.

[0015] In the above-mentioned product sorting and conveying device, the sensing unit distinguishes the preset category products from other products by the height of the products, and the height of the preset category products is greater than the height of the other products. The sensing unit includes two columns spaced apart at the output end of the variable conveyor line, and each column is equipped with a sensor. The two sensors form a detection optical path for detecting the preset category products.

[0016] In the above-mentioned product sorting and conveying device, a blocking frame is provided at the output end of the variable conveyor line, and the blocking frame and the variable conveyor line together form a conveying space. The top of the blocking frame is provided with a blocking block, and the distance from the bottom of the blocking block to the bearing surface of the variable conveyor line is H1; The height of the preset product category is H2, and the height of other product types is H3; wherein... H1 is not greater than H2, and is used to prevent the preset category of products from passing through the transport space; H1 is greater than H3, which allows other types of products to pass through the transport space.

[0017] In the above-mentioned product sorting and conveying device, the arrangement direction of the third fixed conveyor line is perpendicular to the arrangement direction of the first fixed conveyor line.

[0018] In the above-mentioned product sorting and conveying device, the first fixed conveyor line, the second fixed conveyor line, and the third fixed conveyor line are all roller conveyor lines.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) By setting a variable conveyor line to switch between straight and inclined states, gravity is cleverly used to achieve automatic diversion. There is no need for complex robotic arms or lateral push rods. The structure is compact and the cost is low. When a preset product is identified, the variable conveyor line tilts to expose the inclined slide below, and the product slides down to the third fixed conveyor line. Unidentified products pass directly through. This design not only has smooth operation and rapid response, but also effectively avoids product congestion, collision and surface damage caused by traditional baffle diversion, and significantly improves the stability and production efficiency of classified conveying.

[0021] (2) By limiting the conveyor sloping slide to a passive exposure mode, it means that the sloping slide itself does not need to be equipped with an independent drive motor or power source. Its movement is completely linked to the attitude change of the variable conveyor line. This not only greatly reduces the manufacturing cost and operating energy consumption of the equipment, but also reduces electrical control nodes and potential fault points, making the system structure simpler and more reliable. Daily maintenance only needs to focus on the main drive components, which greatly reduces the difficulty of operation and maintenance and the technical threshold.

[0022] (3) The variable conveyor line is driven by a four-bar linkage mechanism. The deterministic trajectory of the linkage motion ensures the stability and accuracy of the conveyor line during the lifting and turning process, effectively preventing the skew or jamming phenomenon that may be caused by single-point drive. At the same time, the symmetrical distribution of the dual drive components and the linkage structure can evenly distribute the load, significantly improving the device's ability to carry heavy objects and ensuring the long-term stable operation of the mechanical structure under frequent switching conditions. Attached Figure Description

[0023] Figure 1 This is a perspective view of a product sorting and conveying device according to the present invention.

[0024] Figure 2 It is a 3D view of the variable conveyor line in a straight conveying state.

[0025] Figure 3 This is a 3D view of the variable conveyor line in an inclined transport state.

[0026] Figure 4 yes Figure 3 A three-dimensional view concealing the variable conveyor line.

[0027] Figure 5 This is a three-dimensional view of the sensing unit installed on the second fixed conveyor line.

[0028] In the diagram, 100 is the first fixed conveyor line; 200 is the variable conveyor line; 210 is the second roller; 220 is the main support frame; 230 is the roller; 240 is the blocking frame; 241 is the conveying space; 242 is the blocking block; 300 is the second fixed conveyor line; 400 is the third fixed conveyor line; 500 is the conveying inclined slide; 510 is the slide body; 520 is the first roller; 600 is the sensing unit; 610 is the column; 620 is the sensor; 700 is the drive assembly; 710 is the mounting platform; 711 is the first mounting base; 712 is the second mounting base; 720 is the drive component; 800 is product A; and 900 is product B. Detailed Implementation

[0029] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0031] like Figures 1 to 5As shown, this solution provides a product sorting and conveying device, the core of which is to automatically sort and convey preset categories of products from other products without manual intervention, thereby improving the efficiency and accuracy of sorting and conveying. Its specific structure includes: A first fixed conveyor line 100, a variable conveyor line 200, and a second fixed conveyor line 300 are arranged adjacent to each other along the product conveying direction. A third fixed conveyor line 400 is used to receive products of a preset category. A conveying chute 500 is set below the variable conveyor line 200. A sensing unit 600 is electrically connected to the variable conveyor line 200. All components work together to complete the product sorting and conveying action.

[0032] To clearly distinguish product types, this embodiment defines the preset product category as "Product A 800" and the other product types as "Product B 900". The specific connection relationships, working status, and overall operating logic of each component are described in detail below: The first fixed conveyor line 100, the variable conveyor line 200, and the second fixed conveyor line 300 are arranged adjacent to each other along the product conveying direction. The bearing surfaces of the three are kept flush in the initial state (the variable conveyor line 200 is in a straight conveying state) to ensure that the product can be conveyed smoothly.

[0033] The input end of the third fixed conveyor line 400 is adjacent to the side of the variable conveyor line 200. Its arrangement direction is preferably perpendicular to the arrangement direction of the first fixed conveyor line 100. This vertical arrangement can effectively save equipment space, make the diversion path of the preset category products more reasonable, and avoid interference with the main conveying path (first fixed conveyor line 100 → variable conveyor line 200 → second fixed conveyor line 300).

[0034] The inclined conveyor 500 is fixedly installed below the variable conveyor line 200. It is arranged in an inclined shape, with its high end facing away from the third fixed conveyor line 400 and its low end extending to the input end of the third fixed conveyor line 400. Its core function is to guide the preset category products on the variable conveyor line 200 to the third fixed conveyor line 400.

[0035] The sensing unit 600 is installed near the output end of the variable conveyor line 200 and is electrically connected to the variable conveyor line 200. It is used to identify the product type on the variable conveyor line 200 in real time, accurately capture the position of the preset category of products, and send control signals to the variable conveyor line 200 to trigger its state switching.

[0036] The variable conveyor line 200 is the core component of this device for realizing the sorting function. It has two switchable operating states—a straight conveying state and an inclined conveying state. The switching between the two states is triggered by the identification signal of the sensing unit 600, and the specific switching logic strictly follows the following limitations: When the sensing unit 600 does not identify a product of the preset category (i.e., only product B 900 is on the conveyor line), the variable conveyor line 200 remains in a straight conveying state. At this time, its bearing surface completely covers the conveyor chute 500 below, so that the conveyor chute 500 is hidden and avoids interfering with the normal conveying of the product. After product B 900 is conveyed to the variable conveyor line 200 via the first fixed conveyor line 100, it smoothly transitions to the second fixed conveyor line 300 along the flat bearing surface, completing the normal conveying process.

[0037] When the sensing unit 600 identifies a product of a preset category (product A 800), it immediately sends a control signal to the variable conveyor line 200, driving the variable conveyor line 200 to quickly switch to the tilted transfer state.

[0038] As the variable conveyor line 200 tilts, its bearing surface no longer covers the conveyor chute 500, so that the bearing surface of the conveyor chute 500 is exposed above the bearing surface of the variable conveyor line 200 (this exposure process is passive exposure, that is, no additional driving of the conveyor chute 500 is required, and exposure is achieved only through the tilting action of the variable conveyor line 200).

[0039] At this time, product A 800 on the variable conveyor line 200 loses its stable support and, under the combined action of its own weight and the tilt angle of the variable conveyor line 200, slides down onto the exposed conveyor chute 500 below. The conveyor chute 500 guides the product to the input end of the third fixed conveyor line 400 along the tilt direction, thus completing the sorting and classification of the preset product category.

[0040] After product A 800 has completely slid down to the inclined conveyor 500, the variable conveyor line 200 returns to a straight conveying state, ready for the conveying and identification of the next batch of products.

[0041] To achieve stable and precise switching between the two states of the variable conveyor line 200, this device is also equipped with a drive assembly 700. This drive assembly 700 provides power support for the state switching of the variable conveyor line 200, and its specific structure is as follows: The drive assembly 700 includes a mounting platform 710 disposed below the variable conveyor line 200. The mounting platform 710 serves as the mounting base for the drive assembly 700 and the conveyor chute 500. The overall structure is stable and includes a first mounting seat 711 and a second mounting seat 712 disposed at intervals along the vertical direction. The second mounting seat 712 is located above the first mounting seat 711, and the two remain parallel and relatively fixed.

[0042] One end of the variable conveyor line 200 (the end opposite to the third fixed conveyor line 400) is hinged to the second mounting base 712, so that the variable conveyor line 200 can rotate around the hinge point as the axis, providing a rotation basis for state switching.

[0043] The drive assembly 700 also includes two symmetrically arranged drive components 720. The drive components 720 are preferably linear actuators such as cylinders and electric push rods, which have the advantages of fast response speed and stable thrust.

[0044] One end of each of the two drive units 720 is hinged to the first mounting base 711, and the other end is hinged to the other end of the variable conveyor line 200 (near the end of the third fixed conveyor line 400). The two drive units 720 move synchronously to ensure that the variable conveyor line 200 is subjected to uniform force at both ends and to avoid skewing during the flipping process.

[0045] Each drive unit 720, variable conveyor line 200, first mounting base 711 and second mounting base 712 form an independent four-bar linkage. The two four-bar linkages are symmetrically arranged and work together to drive the flipping action of the variable conveyor line 200.

[0046] That is, when the drive unit 720 retracts, it pushes one end of the variable conveyor line 200 hinged to the drive unit 720 to flip downward, so that the variable conveyor line 200 switches to the inclined transfer state.

[0047] When the drive unit 720 extends, it pulls one end of the variable conveyor line 200 hinged to the drive unit 720 upward to flip and reset, so that the variable conveyor line 200 returns to the straight conveying state.

[0048] The four-bar linkage design effectively ensures the smoothness of the variable conveyor line 200 during the flipping process, avoiding jamming, shaking, and other issues. At the same time, it can precisely control the tilt angle of the variable conveyor line 200, ensuring that the preset category products can smoothly slide down to the conveyor chute 500.

[0049] This solution further optimizes the specific structure of the conveyor chute 500 to improve the smoothness of the sliding and guiding of products of the preset categories, as detailed below: The conveyor sloping slide 500 includes two symmetrically spaced slide bodies 510. Both slide bodies 510 are fixed on the second mounting base 712 and form a stable connection with the mounting platform 710. The distance between the two slide bodies 510 is adapted to the width of the preset product category, ensuring that the product can be stably supported on the two slide bodies 510 and preventing displacement during the sliding process.

[0050] Each slide body 510 has a smooth inclined surface at one end facing the variable conveyor line 200. The inclination angle of the inclined surface is adapted to the angle of the variable conveyor line 200 in the inclined transport state, so that the product can smoothly slide from the variable conveyor line 200 onto the slide body 510.

[0051] To reduce the friction between the product and the slide body 510 and to avoid problems such as jamming and scratching during the product's slide, multiple first rollers 520 are spaced apart on the inclined surface of each slide body 510. The axes of the multiple first rollers 520 are kept parallel and are perpendicular to the sliding direction of the product.

[0052] When the variable conveyor line 200 switches to the inclined transfer state, product A 800 slides onto the inclined surface of the slide body 510. At this time, multiple first rollers 520 are in contact with the bottom surface of product A 800, converting the sliding friction between the product and the slide body 510 into rolling friction, significantly reducing the friction force, so that product A 800 can slide quickly and smoothly along the slide body 510 to the third fixed conveyor line 400, while protecting the product surface from damage.

[0053] Furthermore, a second roller 210 is provided on the side of the variable conveyor line 200 facing the third fixed conveyor line 400. The second roller 210 is provided to optimize the transition effect of the product from the variable conveyor line 200 to the conveyor chute 500 and the third fixed conveyor line 400.

[0054] When the variable conveyor 200 is in an inclined transport state, the rotation center of the second roller 210 is parallel to the rotation center of the first roller 520. When product A 800 begins to slide down on the variable conveyor 200, it will come into contact with the second roller 210 after passing the bottom plane of the variable conveyor 200. The second roller 210 rotates synchronously with the product as it slides down, further reducing the friction between the product and the variable conveyor 200 and guiding the product to slide smoothly towards the inclined conveyor chute 500.

[0055] Meanwhile, when the product slides from the inclined conveyor 500 to the third fixed conveyor line 400, the second roller 210 can also assist the product in completing the transition, avoiding the product from getting stuck at the diversion node.

[0056] The specific structure of the variable conveyor line 200 is further described in detail in this solution as follows: The variable conveyor line 200 includes main support frames 220 arranged on both sides along the product conveying direction. Preferably, the two main support frames 220 are arranged symmetrically to form the main support structure of the variable conveyor line 200, ensuring overall rigidity.

[0057] Multiple rollers 230 are spaced apart between the two main support frames 220. All rollers 230 are connected by chain drive and can rotate synchronously to realize the conveying of products.

[0058] The distance between two adjacent rollers 230 is greater than the width of the slide body 510. The purpose of this design is that when the variable conveyor line 200 switches to the inclined transfer state, the slide body 510 can be smoothly exposed from the gap between the rollers 230, so as to avoid the rollers 230 blocking the exposure of the inclined slide 500.

[0059] Meanwhile, the hinged connection of the variable conveyor line 200 is adapted to the main support frame 220: one of the main support frames 220 (the side opposite to the third fixed conveyor line 400) is hinged to the second mounting base 712, forming the turning axis of the variable conveyor line 200.

[0060] Another main support frame 220 (on one side near the third fixed conveyor line 400) is hinged to the other end of the two drive members 720 to ensure that the power of the drive members 720 can be effectively transmitted to the variable conveyor line 200, driving it to rotate smoothly.

[0061] When the variable conveyor line 200 is in a straight conveying state, the axes of multiple rollers 230 are perpendicular to the product conveying direction, ensuring that the product can move smoothly along the conveying direction.

[0062] This solution further specifies that the sensing unit 600 uses a high-resolution method to distinguish between preset category products and other products. Its recognition logic and structural design are as follows: In this embodiment, the height H2 of the preset category product (product A 800) is greater than the height H3 of the other products (product B 900). The sensing unit 600 detects the height of the products to achieve accurate differentiation between the two categories of products.

[0063] The sensing unit 600 includes two columns 610 spaced apart on both sides of the output end of the variable conveyor line 200. The two columns 610 are symmetrically arranged and their height is slightly higher than the height H2 of product A 800. Each column 610 is equipped with a corresponding sensor 620. The two sensors 620 are installed at the same height and are adapted to the height of product A 800. A horizontal detection optical path is formed between them.

[0064] When product B 900 passes through the detection optical path, since its height H3 is less than the installation height of sensor 620, it cannot block the detection optical path between the two sensors 620. The sensing unit 600 determines it as a product of a non-preset category and does not trigger the state switching of the variable conveyor line 200.

[0065] When product A 800 passes through the detection optical path, because its height H2 is greater than the installation height of sensor 620, it can completely block the detection optical path between the two sensors 620. The sensing unit 600 immediately determines that it is a product of the preset category and quickly sends a control signal to the variable conveyor line 200 and the drive assembly 700, triggering the variable conveyor line 200 to switch to the tilt transfer state, thus completing the identification and diversion of the product of the preset category.

[0066] This sensing method has a fast response speed and high recognition accuracy, which can effectively avoid missed or incorrect identification and improve the operational reliability of the device.

[0067] Furthermore, to prevent products of the preset category from continuing to be conveyed forward due to inertia during the identification and state switching process, thus missing the diversion opportunity, a blocking frame 240 is installed at the output end of the variable conveyor line 200 to assist in intercepting products of the preset category. The specific structure and function are as follows: The blocking frame 240 is vertically mounted at the output end of the variable conveyor line 200, forming a closed transport space 241 together with the bearing surface of the variable conveyor line 200. The product is transported within this transport space 241 to prevent deviation during transport. A blocking block 242 is provided on the top of the blocking frame 240, extending horizontally above the transport space 241. The distance from its bottom to the bearing surface of the variable conveyor line 200 is H1, and the dimension of H1 is strictly set according to the following logic: H1 is not greater than the height H2 of the preset category product (product A 800). When product A 800 is conveyed to the vicinity of the output end of the variable conveyor line 200, the blocking block 242 can block the top of product A 800 to prevent it from continuing to be conveyed forward due to inertia, ensuring that product A 800 stays at the preset position of the variable conveyor line 200 and waits for the variable conveyor line 200 to switch to the inclined transfer state to avoid missing the diversion opportunity.

[0068] Meanwhile, H1 is greater than the height H3 of the other products (product B 900). When product B 900 is conveyed to the output end of the variable conveyor line 200, it can pass smoothly under the blocking block 242 and enter the second fixed conveyor line 300 without being interfered with by the blocking frame 240, thus ensuring the smoothness of the normal conveying process.

[0069] Furthermore, the first fixed conveyor line 100, the second fixed conveyor line 300 and the third fixed conveyor line 400 all adopt roller conveyor lines, which are compatible with the roller 230 structure of the variable conveyor line 200 to ensure a smoother transition of products between each conveyor line.

[0070] Roller conveyors have advantages such as high conveying efficiency, low frictional resistance, and convenient maintenance. They can adapt to the conveying of products of different specifications and weights, and are easy to cooperate with variable conveyor line 200 and conveying inclined slide 500 to achieve efficient operation of the whole device.

[0071] To further clarify the overall workflow of this device, the structure and function of each component are summarized as follows: 1. Initial state: The variable conveyor line 200 is in a straight conveying state, its bearing surface completely covers the conveying inclined slide 500, the drive component 720 of the drive assembly 700 is in an extended state, the sensing unit 600 is in a real-time detection state, the blocking frame 240 is working normally, and each conveyor line is running synchronously. 2. Normal conveying: Product B 900 is conveyed to the input end of the variable conveyor 200 via the first fixed conveyor line 100. The detection optical path of the sensing unit 600 is not blocked, and it is determined to be a product of a non-preset category. The variable conveyor line 200 remains straight, and product B 900 smoothly transitions along the conveying surface of the roller 230, passes under the blocking block 242, and enters the second fixed conveyor line 300, completing the normal conveying. 3. Identification and Diversion: Product A 800 is conveyed to the input end of the variable conveyor 200 via the first fixed conveyor line 100, blocking the detection optical path of the sensing unit 600. The sensing unit 600 sends a control signal. The driving component 720 of the drive assembly 700 retracts synchronously, driving the variable conveyor 200 to flip downward around the hinge point as the axis through the four-bar linkage mechanism, switching to the inclined transfer state, and the inclined conveyor slide 500 is passively exposed. Product A 800 is intercepted by the blocking block 242 and slides down through the gap of the roller 230 to the inclined conveyor slide 500 under the action of gravity. It slides down quickly through the rolling action of the first roller 520 and transitions to the third fixed conveyor line 400 through the second roller 210, completing the diversion. 4. Reset and standby: After product A 800 completely leaves the variable conveyor line 200, the sensing unit 600 sends a reset signal, the drive unit 720 retracts, pulls the variable conveyor line 200 to flip and reset to a straight state, covering the conveyor chute 500, and the device returns to its initial state, waiting for the next batch of products to be conveyed and sorted.

[0072] It should be noted that in this invention, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly specified. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0073] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are feasible for those skilled in the art. If 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 protection claimed by the present invention.

[0074] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. A sorting and conveying device for products, characterized in that, include: A first fixed conveyor line, a variable conveyor line, and a second fixed conveyor line are arranged adjacent to each other along the product conveying direction; The third fixed conveyor line has its input end adjacent to the side of the variable conveyor line and is used to receive products of a preset category. A conveying inclined slide is provided below the variable conveyor line, with its high end facing away from the third fixed conveyor line and its low end extending to the input end of the third fixed conveyor line. A sensing unit, electrically connected to the variable conveyor line, is used to identify a preset category of products on the variable conveyor line; The variable conveyor line has a straight conveying state and an inclined transfer state; When the sensing unit detects a product of a preset category, it drives the variable conveyor line to switch to an inclined transport state, so that the bearing surface of the inclined conveyor slide is exposed above the bearing surface of the variable conveyor line. The inclined conveyor slide receives the product of the preset category and guides it to the third fixed conveyor line. When the variable conveyor line is in a straight conveying state, its bearing surface completely covers the conveying inclined slide, and the product is conveyed from the first fixed conveyor line to the second fixed conveyor line via the variable conveyor line.

2. The product sorting and conveying device as described in claim 1, characterized in that, When the variable conveyor line switches to the inclined transfer state, the inclined conveyor chute is passively exposed above the bearing surface of the variable conveyor line.

3. The product sorting and conveying device as described in claim 1, characterized in that, It also includes a drive assembly for switching the variable conveyor line between the straight conveying state and the inclined transfer state, the drive assembly comprising: An installation platform is provided below the variable conveyor line. The installation platform includes a first mounting seat and a second mounting seat that are spaced apart in a vertical direction. The second mounting seat is located above the first mounting seat, and one end of the variable conveyor line is hinged to the second mounting seat. Two drive components, one end of each drive component hinged to the first mounting base, and the other end of each drive component hinged to the other end of the variable conveyor line; wherein... Each of the drive components, the variable conveyor line, the first mounting base, and the second mounting base forms a four-bar linkage mechanism for driving the variable conveyor line to switch between the straight conveying state and the inclined transfer state.

4. A product sorting and conveying device as described in claim 3, characterized in that, The conveying inclined slide includes two slide bodies, which are fixedly mounted on the second mounting base at a distance. Each slide body has an inclined surface at one end facing the variable conveyor line, and multiple first rollers are spaced apart on the inclined surface. When the variable conveyor line switches to the inclined transfer state, all of the first rollers contact the bottom surface of the preset category of products.

5. A product sorting and conveying device as described in claim 4, characterized in that, The variable conveyor line has a second roller on the side facing the third fixed conveyor line; wherein... When the variable conveyor line is in the inclined transfer state, the rotation center of the second roller is parallel to the rotation center of the first roller, so as to allow the preset category products to transition to the third fixed conveyor line.

6. A product sorting and conveying device as described in claim 4, characterized in that, The variable conveyor line includes main support frames on both sides along the product conveying direction, and multiple rollers spaced apart between the two main support frames. The multiple rollers are connected by chains, and the distance between two adjacent rollers is greater than the width of the slide body. When the variable conveyor line is in the straight conveying state, the axes of the plurality of rollers are perpendicular to the product conveying direction, one of the main support frames is hinged to the second mounting base, and the other main support frame is hinged to the other end of the drive member.

7. A product sorting and conveying device as described in claim 1, characterized in that, The sensing unit distinguishes between the preset category products and other products based on the height of the products, and the height of the preset category products is greater than the height of the other products. The sensing unit includes two columns spaced apart at the output end of the variable conveyor line, and each column is equipped with a sensor. The two sensors form a detection optical path for detecting the preset category products.

8. A product sorting and conveying device as described in claim 1 or 7, characterized in that, The output end of the variable conveyor line is equipped with a blocking frame, and the blocking frame and the variable conveyor line together form a conveying space; The top of the blocking frame is provided with a blocking block, and the distance from the bottom of the blocking block to the bearing surface of the variable conveyor line is H1; The height of the preset product category is H2, and the height of other product types is H3; wherein... H1 is not greater than H2, and is used to prevent the preset category of products from passing through the transport space; H1 is greater than H3, which allows other types of products to pass through the transport space.

9. A product sorting and conveying device as described in claim 1, characterized in that, The arrangement direction of the third fixed conveyor line is perpendicular to the arrangement direction of the first fixed conveyor line.

10. A product sorting and conveying device as described in claim 1, characterized in that, The first fixed conveyor line, the second fixed conveyor line, and the third fixed conveyor line are all roller conveyor lines.

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