Turnover mechanism and conveying line comprising same

Abstract

The utility model provides a turnover mechanism and a conveying line comprising the same, relates to the technical field of grid production equipment, and solves the technical problems that materials required by interval turnover cannot be automatically realized, manual turnover is required, the efficiency is low, errors are easy to occur, and the cost loss is caused. The turnover mechanism comprises a frame, a clamping turnover module, a direction judgment module and a control module, the frame is erected above the conveying line, so that a circulation channel is formed between the conveying line and the frame; the clamping and overturning module is arranged at the top of the frame and is used for clamping and overturning the to-be-overturned products conveyed by the conveying line; the direction judging module is arranged on the clamping and overturning module so as to judge the front and back surfaces of the products conveyed by the conveying line; the control module is electrically connected with the direction judgment module and the clamping and overturning module so as to control the direction judgment module to act based on the judgment result, and needed regular overturning is achieved. According to the utility model, regular turn-over is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of grille production equipment, in particular to a turnover mechanism and a conveying line comprising the same. Background Art

[0002] Materials are transported along a conveyor belt with front and back sides. When a process requires changing the material's orientation to meet the requirements of downstream processes, a mechanism is required to flip the material. Sometimes, further requirements arise, requiring the material to flow in a predetermined, alternating direction, alternating between front and back. This requires a mechanism that can both identify the material's front and back sides and manipulate the material to ensure it flows along the conveyor belt in the desired direction. For example, during the production and palletizing of grilles for wall-mounted air conditioner outdoor units, the grilles must be loaded onto the work truck in a front-to-back orientation due to the structural limitations of the grille's foot buckle. Otherwise, the foot buckle will damage the foot buckle. Therefore, when transferring the grilles from the conveyor belt to the palletizing equipment, the front and back sides must be determined, and the grilles must be released and flipped at intervals to ensure they pass through in a front-to-back orientation before being palletized and loaded onto the truck.

[0003] The applicant has found that the existing technology has at least the following technical problems: the existing front and back management mechanism is generally a full-flip mechanism. For those who require the front and back of the material to flow down at intervals, most of them are flipped manually, which has low manpower efficiency and may have intermittent errors, resulting in time waste and cost loss. Utility Model Content

[0004] The purpose of the utility model is to provide a turning mechanism and a conveyor line including the same, so as to solve the technical problems in the prior art that materials requiring interval turning cannot be automatically turned over and need to be turned over manually, which is inefficient, prone to errors and leads to cost losses.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The utility model provides a flip mechanism, comprising a frame, a clamping and flipping module, a direction determination module, and a control module; wherein:

[0007] The frame is erected above the conveyor line to form a flow channel between the conveyor line and the frame;

[0008] The clamping and flipping module is arranged on the top of the frame to clamp and flip the products to be flipped that are conveyed by the conveyor line;

[0009] The direction judgment module is arranged on the clamping and flipping module to judge the front and back sides of the products conveyed by the conveyor line;

[0010] The control module is electrically connected to the direction judgment module and the clamping and flipping module to control the action of the direction judgment module based on the judgment result to achieve the required regular flipping.

[0011] The turning mechanism provided by the utility model realizes regular turning by clamping the turning module, thereby solving the problems that the turning mechanism cannot realize interval turning and manual turning has low efficiency and difficulty in ensuring stability.

[0012] As a further improvement of the present invention, the clamping and flipping module includes a flipping unit and a clamping unit; wherein:

[0013] The clamping unit is movably arranged on the frame;

[0014] The flip unit is connected to the clamping unit and can control the clamping unit to flip back and forth 180 degrees.

[0015] As a further improvement of the present invention, the flip unit includes a flip power source, a flip plate, a vertical plate, and a flip trough-shaped photoelectric device; wherein:

[0016] There are two vertical panels, which are arranged at a relative interval on the top of the frame;

[0017] The two ends of the flip plate are rotatably arranged on the two vertical plates;

[0018] The flip power source is in transmission connection with the flip plate;

[0019] The flip slot-type photoelectric device is arranged on the flip plate.

[0020] As a further improvement of the present invention, the flipping power source includes a servo motor, a reducer, and a coupling; wherein:

[0021] The servo motor is connected to the reducer;

[0022] The reducer is connected to one end of the flip plate through the coupling.

[0023] As a further improvement of the present invention, the flipping power source includes a flipping cylinder, and the flipping cylinder is connected to the flipping plate.

[0024] As a further improvement of the present invention, the clamping unit includes a clamping power source and two oppositely arranged clamping claws; the clamping power source is installed on the flip plate; the two clamping claws are respectively connected to the clamping power source and can move simultaneously under the drive of the clamping power source to clamp the product when approaching or release the product when moving away; the direction judgment module is arranged on the clamping claws on one side.

[0025] As a further improvement of the present invention, the clamping power source includes a clamping cylinder; the two clamping claws are respectively arranged on both sides of the clamping cylinder, and can move simultaneously under the drive of the clamping cylinder to clamp the product when approaching or release the product when moving away.

[0026] As a further improvement of the present invention, the clamping power source includes a clamping linear module, and the two clamping claws are respectively connected to the clamping linear module and can move simultaneously driven by the clamping linear module to clamp the product when approaching or release the product when moving away.

[0027] As a further improvement of the present invention, the clamping claw has a Z-shaped structure, including an installation section, an extension section and a holding section arranged in sequence; the installation section is connected to the clamping cylinder; a buffer block is provided at the end of the holding section; and the direction judgment module is arranged on the holding section.

[0028] As a further improvement of the present invention, the clamping unit further includes a position sensor arranged on the top of the frame for detecting whether the product is in position.

[0029] As a further improvement of the present invention, the in-position sensor is a laser sensor.

[0030] As a further improvement of the present invention, the clamping unit further includes two guide brackets arranged opposite to each other; the guide brackets are arranged at the bottom of the frame and corresponding to the positions of the two clamping claws; the direction judgment module is arranged outside the guide brackets.

[0031] As a further improvement of the present invention, the holding section is an L-shaped structure with a notch provided at the bottom; the guide bracket is located in the notch.

[0032] As a further improvement of the present invention, the direction judgment module includes two front and back sensors.

[0033] The flipping mechanism of this utility model replaces the traditional manual flipping by using PLC and motor driver to provide electrical signals to drive the motor and high-pressure gas to drive the cylinder, which reduces the labor intensity and ensures the consistency of operation. At the same time, it innovatively makes up for the functional deficiency of the traditional flipping mechanism that cannot flip the products at intervals. The clamping claws and aisle parts have secondary design space and can be adapted to a variety of products.

[0034] The utility model provides a conveyor line, comprising a transmission belt line, a guide square tube and the turnover mechanism; wherein:

[0035] The turning mechanism is installed on the transmission belt line;

[0036] The guide square tubes are installed on both sides of the transmission belt line to guide the transmitted products to a position facing the feeding port of the turning mechanism.

[0037] This new conveyor line uses a material presence laser detection sensor (grid position sensor) to detect material presence. A front and back judgment laser sensor detects the material's front and back status. The PLC makes a judgment according to a set program. Materials that need to be flipped are gripped by a cylinder and turned by a motor. Materials that do not need to be flipped pass directly through. This method has high flipping reliability and strong operational consistency, which can reduce manual labor intensity while increasing the production line's automation rate. The flipping gripper and front and back judgment laser sensor can be redesigned to be compatible with materials of more shapes and postures. The PLC program can be modified to meet different flipping requirements, such as full flipping, no flipping, two front and one back, or two back and one front. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0039] Figure 1 This is a schematic diagram of the three-dimensional structure of the turning mechanism of the utility model;

[0040] Figure 2 This is the main view of the flip mechanism of the utility model;

[0041] Figure 3 This is a top view of the turning mechanism of the utility model;

[0042] Figure 4 It is a side view of the turning mechanism of the utility model;

[0043] Figure 5 This is a schematic structural diagram of the horizontal plate in the frame of the turning mechanism of the utility model;

[0044] Figure 6 This is a schematic diagram of the structure of the motor mounting plate in the turning mechanism of the utility model;

[0045] Figure 7 This is a structural diagram of the neutral plate of the turning mechanism of the utility model;

[0046] Figure 8 This is a schematic structural diagram of the turning plate in the turning mechanism of the utility model;

[0047] Figure 9This is a schematic diagram of the three-dimensional structure of the clamping claws in the turning mechanism of the utility model;

[0048] Figure 10 This is a front view of the clamping claws in the turning mechanism of the utility model;

[0049] Figure 11 This is a schematic structural diagram of the support column in the turning mechanism of the utility model;

[0050] Figure 12 This is a schematic diagram of the structure of the buffer block in the turning mechanism of the utility model;

[0051] Figure 13 This is a structural diagram of the pad in the turning mechanism of the utility model;

[0052] Figure 14 This is a structural diagram of the groove-shaped photoelectric mounting plate in the flip mechanism of the utility model;

[0053] Figure 15 This is a structural diagram of the groove-shaped photoelectric baffle in the turning mechanism of the utility model;

[0054] Figure 16 This is a structural diagram of the conveyor line of the utility model;

[0055] Figure 17 It is a schematic diagram of the front structure of the grid conveyed in the conveyor line of the utility model.

[0056] In the figure, 1. frame; 11. circulation channel; 2. flip unit; 21. servo motor; 22. reducer; 23. coupling; 24. flip plate; 25. vertical plate; 26. flip trough photoelectric; 3. clamping unit; 31. clamping cylinder; 32. clamping claw; 321. installation section; 322. extension section; 323. holding section; 324. buffer block; 325. notch; 33. in-position sensor; 34. guide bracket; 35. front and back sensors; 4. transmission belt line; 5. guide square tube; 6. flip mechanism. DETAILED DESCRIPTION

[0057] To make the purpose, technical solution, and advantages of the present invention more clear, the technical solution of the present invention will be described in detail below. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0058] like Figures 1-17 As shown, the present invention provides a flip mechanism 6, including a frame 1, a clamping flip module, a direction determination module, and a control module; wherein:

[0059] The frame 1 is erected above the conveyor line to form a flow channel 11 between the conveyor line and the frame 1. Products that do not normally need to be flipped pass directly through the flow channel 11, while products that need to be flipped are flipped by the clamping and flipping module and then placed into the conveyor line for further transportation. Specifically, the frame 1 includes a cross plate and a pad. The cross plate is erected on the top of the conveyor line, and the pad is supported at both ends of the conveyor line.

[0060] The clamping and flipping module is arranged on the top of the frame 1 to clamp and flip the products that need to be flipped conveyed by the conveyor line. In this embodiment, the clamping and flipping module clamps the products that need to be flipped from the conveyor line, flips them 180 degrees, and then puts them back into the conveyor line for subsequent conveying.

[0061] The direction judgment module is installed on the clamping and flipping module to judge the front and back of the products conveyed by the conveyor line;

[0062] The control module is electrically connected to the direction judgment module and the clamping and flipping module to control the action of the direction judgment module based on the judgment result to achieve the required regular flipping.

[0063] The turning mechanism 6 provided by the present invention realizes regular turning by clamping the turning module, which solves the problems that the turning mechanism cannot realize intermittent turning and manual turning is inefficient and difficult to ensure stability. The turning mechanism of the present invention can independently determine the turning order. By leaving a flow channel 11 at the bottom of the turning mechanism and the action logic can be controlled by PLC, the turning order can be determined according to needs, such as full turning, no turning, two right sides and one wrong side, or two wrong sides and one right side.

[0064] As a further improvement of the present invention, Figures 1-17 As shown, the clamping and flipping module includes a flipping unit 2 and a clamping unit 3; wherein:

[0065] The clamping unit 3 is movably arranged on the frame 1 and is used to clamp and fix the product;

[0066] The turning unit 2 is connected to the clamping unit 3 and can control the clamping unit 3 to turn back and forth 180 degrees.

[0067] As a further improvement of the present invention, the flip unit 2 includes a flip power source, a flip plate 24, a vertical plate 25, and a flip trough-shaped photoelectric 26; wherein:

[0068] There are two vertical plates 25, which are arranged at a relatively spaced distance on the top of the frame 1;

[0069] The two ends of the flip plate 24 are rotatably arranged on the two vertical plates 25;

[0070] The turning power source is in transmission connection with the turning plate 24;

[0071] The flip slot photoelectric 26 is arranged on the flip plate 24. The slot photoelectric is a kind of sensor, and the function of this sensor is to help the flip motor to reset and limit the operation, help the gripper to locate and grasp, and prevent collision.

[0072] As an optional embodiment of the present invention, Figures 1-4 As shown, the flipping power source includes a servo motor 21, a reducer 22, and a coupling 23; wherein:

[0073] The servo motor 21 is fixed to the top of the frame 1 through the motor mounting plate, and the output shaft of the servo motor 21 is connected to the reducer 22;

[0074] The speed reducer 22 is connected to one end of the flip plate 24 through a coupling 23 .

[0075] The motor mounting plate and the vertical plate 25 are connected by four support columns;

[0076] In this embodiment, the vertical plate 25 is an L-shaped structure.

[0077] The flip plate 24 is rotatably connected to the vertical plate 25 on one side facing the servo motor 21 through a deep groove ball bearing, and the other side of the flip plate 24 is rotatably connected to the flip plate 24 through a shaft-mounted C-shaped elastic retaining ring.

[0078] As another optional embodiment of the present invention, the flipping power source includes a flipping cylinder, which is connected to the flipping plate 24. Using the cylinder for flipping has the characteristic of saving costs compared to using a servo motor for flipping.

[0079] As a further improvement of the present invention, the clamping unit 3 includes a clamping power source and two oppositely arranged clamping claws 32; the clamping power source is installed on the flip plate 24; the two clamping claws 32 are respectively connected to the clamping power source, and can move simultaneously under the drive of the clamping power source to clamp the product when approaching or release the product when moving away; the direction judgment module is arranged on one side of the clamping claws 32.

[0080] As an optional embodiment of the present invention, the clamping power source includes a clamping cylinder 31; two clamping claws 32 are respectively arranged on both sides of the clamping cylinder 31, and can move simultaneously under the drive of the clamping cylinder 31 to clamp the product when approaching or release the product when moving away.

[0081] As another optional embodiment of the present invention, the clamping power source includes a clamping linear module. Two clamping jaws 32 are connected to the clamping linear module and can move simultaneously under the clamping linear module to clamp the product when approaching or release the product when moving away. Compared with clamping cylinders, clamping linear modules have the advantage of more precise control of the clamping position.

[0082] As a further improvement of the present invention, the clamping claw 32 is a Z-shaped structure, including an installation section 321, an extension section 322 and a holding section 323 arranged in sequence; the installation section 321 is connected to the clamping cylinder 31; a buffer block 324 is provided at the end of the holding section 323; and a direction judgment module is provided on the holding section 323.

[0083] As a further improvement of the present invention, the clamping unit 3 further includes a position sensor 33 provided on the top of the frame 1 for detecting the position of the product.

[0084] Furthermore, the position sensor 33 is a laser sensor.

[0085] As a further improvement of the present invention, the clamping unit 3 further includes two guide brackets 34 arranged opposite to each other; the guide brackets 34 are arranged at the bottom of the frame 1 and corresponding to the positions of the two clamping claws 32; the direction judgment module is arranged outside the guide brackets 34.

[0086] As a further improvement of the present invention, the holding section 323 is an L-shaped structure with a notch 325 provided at the bottom; the guide bracket 34 is located in the notch 325 .

[0087] As a further improvement to the present invention, the direction determination module includes two front and back sensors 35. Principle: The two sensors are placed side by side at a certain distance, at the height of the foot buckles when the grille faces up. A side view of the grille reveals that the foot buckles on the bottom of the grille are spaced far apart and have a small area, making it impossible to simultaneously block both front and back sensors 35. Therefore, the PLC determines that when both sensors are not blocked, the grille faces up; when both sensors are blocked, the grille faces down.

[0088] It should be noted that the front and back sensors 35 can be redesigned according to the characteristics of different incoming materials. This mechanism is only one of the implementation forms. The flipping unit can also be redesigned according to the characteristics of the incoming materials. For example, assuming that the product to be flipped is square, the upper layer is white and the lower layer is green, and it needs to maintain an oblique forward posture during transportation, a corresponding contoured clamping claw 32 can be designed at this time to facilitate fixing the product posture and maintain an oblique forward angle before and after flipping; the original front and back sensors 35 use a color sensor to determine whether the color of the lower layer is green. If it is green, the front side is facing up, and if it is white, the back side is facing up.

[0089] The flipping mechanism 6 of the present invention replaces the traditional manual flipping by using PLC and motor driver to provide electrical signals to drive the motor and high-pressure gas to drive the cylinder, which reduces the labor intensity and ensures the consistency of operation. At the same time, it innovatively makes up for the functional deficiency of the traditional flipping mechanism that cannot flip the products at intervals; the clamping claws and aisle parts have secondary design space and can be adapted to a variety of products.

[0090] The utility model provides a conveyor line, comprising a transmission belt line 4, a guide square 5 and a turnover mechanism 6; wherein:

[0091] The turning mechanism 6 is installed on the transmission belt line 4;

[0092] The guide square tubes 5 are installed on both sides of the transmission belt line 4 to guide the transmitted products to the position facing the feeding port of the turning mechanism 6.

[0093] Example 1:

[0094] Specifically, the product conveyed by the conveyor line can be the outer chassis grille of a wall mounted air conditioner, such as Figure 17 As shown, a flip mechanism 6 for a certain grille, such as Figure 1 As shown, the flip mechanism 6 primarily consists of a flip power source (including a servo motor 21, a reducer 22, a coupling 23, and a flip-trough photoelectric device 26), a flip plate 24, a clamping cylinder 31, and clamping claws 32; a detection unit (including an in-position sensor 33 and a front-side / back-side sensor 35); and a control unit (not shown) (including a PLC and solenoid valves). The power unit provides power for flipping and resetting the grille after flipping; the clamping unit securely clamps the grille; and the detection unit transmits a grille in-position signal and determines whether the grille is facing forward or backward.

[0095] The main action process is as follows: the grille material flows down along the direction of movement from the upstream of the conveyor belt line 4 and moves to Figure 16 When in the neutral position, the in-position sensor 33 detects the grille and transmits a signal to the PLC. The PLC controls the transmission belt line 4 to pause and simultaneously checks the signal from the front and back sensors 35 to determine whether the grille is facing forward or backward. Then, it determines whether the grille needs to be flipped over according to the set sequence. At this time, there are two action branches: 1. If flipping is required, the clamping cylinder 31 activates to firmly clamp the grille, and the power unit drives the flipping unit to move, flipping it from the top to the other side of the mechanism. At this point, the grille has been flipped over along with the clamping claws. The rear clamping cylinder 31 releases, and the grille falls onto the transmission belt line 4 and continues to flow down along the transmission belt line 4. 2. If flipping is not required, the in-position sensor 33 is briefly disabled for a few seconds, and the grille flows directly from the bottom of the elevated mechanism, that is, the flow channel 11, between the guide brackets 34, along the transmission belt line 4. In this way, both the need for flipping the grille and the need for not flipping the grille are met.

[0096] In this embodiment, the front and back sensors 35 are arranged in a manner that utilizes the structural characteristics of this type of grille. The foot buckles on the lower part of the grille are independently arranged at intervals. When the front side of the grille is facing upward, two sensors arranged side by side with appropriate spacing cannot be blocked and triggered at the same time. When the back side of the grille is facing upward, the two sensors can be blocked and triggered at the same time because there is no gap in the grid part. Therefore, logical judgment can be made: when the two sensors are not triggered at the same time, the grille is facing the front side; when the two sensors are triggered at the same time, the grille is facing the back side.

[0097] It should be noted that the turning mechanism 6 of the present invention can be directly applied to ordinary conveyor belts, belt lines, and double-speed lines, and the input and output can be the same conveying mechanism.

[0098] The conveyor line of this utility model detects the presence of material using a material-presence laser detection sensor (grid in-place sensor 33). A front-and-back judgment laser sensor detects the material's front-and-back status. The PLC makes a judgment according to a set program. Materials that require flipping are gripped by a cylinder and then driven by a motor to flip the cylinder. Materials that do not require flipping pass directly through. This method offers high flipping reliability and strong operational consistency, reducing manual labor intensity while increasing the automation rate of the production line. The flipping gripper and front-and-back judgment laser sensor can be redesigned to accommodate materials of various shapes and postures. The PLC program can be modified to meet different flipping requirements, such as full flipping, no flipping, two front-and-one back, or two back-and-one front.

[0099] First of all, it should be noted that “inward” refers to the direction toward the center of the accommodating space, and “outward” refers to the direction away from the center of the accommodating space.

[0100] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate directions or positional relationships based on the attached figures. Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0101] 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 the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0102] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0103] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0104] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0105] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A turning mechanism, characterized in that: It includes a frame, a clamping and flipping module, a direction determination module, and a control module; among which: The frame is erected above the conveyor line to form a flow channel between the conveyor line and the frame; The clamping and flipping module is arranged on the top of the frame to clamp and flip the products to be flipped that are conveyed by the conveyor line; The direction judgment module is arranged on the clamping and flipping module to judge the front and back sides of the products conveyed by the conveyor line; The control module is electrically connected to the direction judgment module and the clamping and flipping module to control the action of the direction judgment module based on the judgment result to achieve the required regular flipping.

2. The turning mechanism according to claim 1, characterized in that: The clamping and flipping module includes a flipping unit and a clamping unit; wherein: The clamping unit is movably arranged on the frame; The flip unit is connected to the clamping unit and can control the clamping unit to flip back and forth 180 degrees.

3. The turning mechanism according to claim 2, characterized in that: The flip unit includes a flip power source, a flip plate, a vertical plate, and a flip trough-shaped photoelectric device; wherein: There are two vertical panels, which are arranged at a relative interval on the top of the frame; The two ends of the flip plate are rotatably arranged on the two vertical plates; The flip power source is in transmission connection with the flip plate; The flip slot-type photoelectric device is arranged on the flip plate.

4. The turning mechanism according to claim 3, characterized in that: The clamping unit includes a clamping power source and two oppositely arranged clamping claws; the clamping power source is installed on the flip plate; the two clamping claws are respectively connected to the clamping power source and can move simultaneously under the drive of the clamping power source to clamp the product when approaching or release the product when moving away; the direction judgment module is arranged on one side of the clamping claws.

5. The turning mechanism according to claim 4, characterized in that: The clamping claw has a Z-shaped structure, including an installation section, an extension section and a holding section arranged in sequence; the installation section is connected to the clamping power source; a buffer block is provided at the end of the holding section; and the direction judgment module is provided on the holding section.

6. The turning mechanism according to claim 4, characterized in that: The clamping unit further includes a position sensor arranged on the top of the frame for detecting whether the product is in position.

7. The turning mechanism according to claim 5, characterized in that: The clamping unit further comprises two guide brackets arranged opposite to each other; the guide brackets are arranged at the bottom of the frame and corresponding to the positions of the two clamping claws; the direction judgment module is arranged outside the guide brackets.

8. The turning mechanism according to claim 7, characterized in that: The holding section is an L-shaped structure with a notch provided at the bottom; the guide bracket is located in the notch.

9. The turning mechanism according to claim 7, characterized in that: The direction judgment module includes two front and back sensors.

10. A conveyor line, characterized in that: It comprises a transmission belt line, a guide square tube and a turning mechanism as described in any one of claims 1 to 9; wherein: The turning mechanism is installed on the transmission belt line; The guide square tubes are installed on both sides of the transmission belt line to guide the transmitted products to a position facing the feeding port of the turning mechanism.

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