Head-swinging tray arranging machine

Abstract

The utility model relates to a head-swinging tray arranging machine which comprises a frame body, a sliding way used for allowing trays to slide in the horizontal direction is arranged on the frame body, a tray supplying device used for supplying empty trays is arranged on one side of the sliding way in the length direction, a tray pushing device is arranged on the lower side of the tray supplying device, and a conveying belt is arranged on the frame body. The conveying belt comprises supporting rollers and sliding rollers which are arranged at intervals in the advancing direction, the conveying belt body is wound on the supporting rollers and the sliding rollers, the supporting rollers are rotationally connected with the frame body in the axis direction of the supporting rollers, and the sliding rollers are in sliding fit with the frame body in the advancing direction of the conveying belt. The sliding roller is rotationally connected with the frame body in the axis direction of the sliding roller, the frame body is provided with a sliding driving assembly for driving the sliding roller to slide, and the frame body is further provided with a tensioning assembly for guaranteeing the flatness of the upper side belt body. The tray arranging device has the effect of efficiently and neatly arranging products with complex shapes or different sizes on the tray.

Description

Technical Field

[0001] This application relates to the technical field of food processing machinery, and in particular to a swivel tray machine. Background Technology

[0002] In food production, the neat arrangement of products is crucial for subsequent processing, especially when placing them on baking trays. Ensuring that the products are positioned and spaced evenly on the trays improves baking results. However, existing tray-arranging equipment has significant limitations when handling products with certain special shapes or sizes. For example, long or extra-large products are often not effectively handled by existing tray-arranging machines, resulting in uneven arrangement and even affecting subsequent processing.

[0003] Furthermore, traditional tray-laying equipment typically relies on manual intervention for adjustments, especially when processing large batches of products. This method is not only inefficient but also prone to human error, increasing labor costs and production instability. Therefore, existing tray-laying technology faces significant challenges when handling products with complex shapes and varying sizes, and urgently needs improvement to meet the demands of food production for efficient and neat arrangement. Utility Model Content

[0004] In order to efficiently and neatly arrange food in a tray, this application provides a swivel tray arrangement machine.

[0005] The oscillating head tray sorting machine provided in this application adopts the following technical solution:

[0006] A swivel tray feeding machine includes a frame with a slide rail for horizontally sliding a tray. A tray feeding device for supplying empty trays is located on one side of the slide rail along its length. A tray pushing device is located below the tray feeding device. A conveyor belt is mounted on the frame, with its width parallel to the length of the slide rail. The conveyor belt includes support rollers and sliding rollers spaced apart along its forward direction. The sliding rollers are located near the slide rail. The conveyor belt body is wound around the support rollers and sliding rollers. The axes of the support rollers and sliding rollers are parallel to the width of the conveyor belt. The support rollers are rotatably connected to the frame about their own axes. The sliding rollers slide and cooperate with the frame along the forward direction of the conveyor belt. The frame also has a sliding drive assembly for driving the sliding rollers to slide, and a tensioning assembly for ensuring the flatness of the upper belt body.

[0007] By adopting the above technical solution, the tray supply device supplies empty trays to the slide, and the tray pusher pushes the trays along the length of the slide, moving them to the working position directly below the conveyor belt. Workers arrange multiple products in rows along the width of the conveyor belt and place them simultaneously at the front end. The conveyor belt carries the multiple products forward simultaneously. When a row of products moves to the end of the conveyor belt, the sliding drive assembly drives the sliding rollers, causing the end of the conveyor belt to move rapidly in the opposite direction of forward movement. Simultaneously, the conveyor belt continues to carry the row of products forward, and due to inertia and gravity, the products are thrown off the conveyor belt and fall onto the tray below. In this way, complex or large-shaped food products can be sequentially arranged on trays, which helps improve the automation level of food processing and increases production efficiency.

[0008] Preferably, a support frame is provided on the frame, the support frame slides and cooperates with the frame along the forward direction of the conveyor belt, the sliding roller is provided on the support frame, the sliding roller is rotatably connected to the support frame around its own axis, and the sliding drive assembly drives the support frame to slide along the forward direction of the conveyor belt.

[0009] By adopting the above technical solution, the sliding drive assembly drives the sliding roller to slide bidirectionally along the forward direction of the conveyor belt by driving the support frame to slide, thereby driving the end of the conveyor belt to move.

[0010] Preferably, the support frame is provided with a rotating plate, the sliding roller is rotatably connected to the rotating plate about its own axis, the sliding roller is located on the side of the rotating plate near the slide rail, the side of the rotating plate away from the sliding roller is rotatably connected to the support frame, the rotation axis of the rotating plate and the support frame is parallel to the rotation axis of the sliding roller, and the support frame is also provided with a rotation drive assembly for driving the rotating plate to rotate downward.

[0011] By adopting the above technical solution, when the products on the conveyor belt move to the end of the conveyor belt, the rotation drive assembly first drives the rotating plate to rotate downwards, thereby causing the conveyor belt near the slide to rotate downwards. At the same time, the sliding drive assembly drives the entire conveyor belt to move in the opposite direction to the forward direction of the conveyor belt. The downward rotation of the rotating plate and the conveyor belt helps reduce the possibility of larger product edges colliding with the conveyor belt that has not been moved out in time, thus helping to ensure the integrity of larger products.

[0012] Preferably, a conveyor drive motor is provided on the support frame, the housing of the conveyor drive motor is fixed on the support frame, a drive roller is coaxially fixed on the output shaft of the conveyor drive motor, the axial direction of the drive roller is parallel to the length direction of the slide, and the lower side belt of the conveyor belt is wound around the drive roller.

[0013] By adopting the above technical solution, the drive motor drives the drive roller to rotate, and the rotation of the drive roller drives the conveyor belt to move forward.

[0014] Preferably, the tensioning assembly includes multiple tensioning rollers, the axis of any tensioning roller being parallel to the axis of the drive roller, one end of the axis of any tensioning roller being rotatably connected to the mounting frame, the mounting frame also having an adjusting plate that slides vertically along the mounting frame, the adjusting plate also having an adjusting roller whose axis is parallel to the axis of the drive roller, one end of the adjusting roller being rotatably connected to the adjusting plate, the multiple tensioning rollers being arranged on both sides of the adjusting roller along the forward direction of the conveyor belt, the conveyor belt being wound sequentially around the multiple tensioning rollers, the conveyor belt being wound from the bottom up around the adjusting roller.

[0015] By employing the above technical solution, the adjusting roller moves vertically relative to the mounting frame under the influence of gravity. When the rotating plate rotates, the adjusting roller experiences tension from the conveyor belt, which counteracts gravity, causing the adjusting roller to move upwards vertically. When the rotating plate returns to its original position, the gravity acting on the adjusting roller exceeds the tension of the conveyor belt, causing it to move downwards. This method ensures that the upper part of the conveyor belt is taut on the two support rollers. Multiple tension rollers ensure a straight winding of the conveyor belt, reducing the possibility of excess conveyor belt tangling.

[0016] Preferably, a scraper is also fixed on the mounting frame. The side of the scraper away from the fixed end abuts against the lower side of the conveyor belt body. The scraper is located under a tension roller near the rotating plate. The lower side of the conveyor belt body is sandwiched between the scraper and the corresponding tension roller.

[0017] By adopting the above technical solution, the scraper can reduce the amount of food residue adhering to the conveyor belt, and reduce the possibility of food residue adhering to the conveyor belt or any tension roller, thus affecting the forward movement of the conveyor belt.

[0018] Preferably, the rotation drive assembly includes a rotation drive cylinder, the cylinder body of which is rotatably connected to a support frame at one end away from the piston rod, and the piston rod end of the rotation drive cylinder is rotatably connected to one side of the rotating plate.

[0019] By adopting the above technical solution, the piston rod of the rotating drive cylinder extends, thereby changing the relative angle between the rotating plate and the support plate, so that the rotating plate rotates rapidly.

[0020] Preferably, a photoelectric sensor is fixed on the side of the rotating plate away from the support plate, a control device is provided on the frame, and the sliding drive assembly, the rotating drive assembly and the conveyor belt drive motor are all electrically connected to the control device, and the photoelectric sensor is electrically connected to the control device.

[0021] By adopting the above technical solution, operators control the conveyor belt drive motor to rotate via a control device, causing the conveyor belt to move the products forward. When a photoelectric sensor detects an object passing by, it outputs a signal to the control device. The control device then controls the sliding drive assembly and the rotation drive assembly, causing the rotating plate to rotate downwards. Simultaneously, the support frame moves rapidly in the opposite direction to the conveyor belt's forward movement. This method helps to improve the automation level of the entire swivel tray-arranging machine.

[0022] Preferably, the support frame is further provided with a brush, which is located at the end of the conveyor belt and is adjustable and fixed on the support frame.

[0023] By adopting the above technical solution, the staff adjusts the relative position of the brush on the support frame. When the sliding drive component drives the support frame to slide horizontally, the brush will sweep across the upper side of the product, causing the debris on the product to fall off.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. The tray feeding device and the tray pushing device work together to automatically supply empty trays to the bottom of the conveyor belt and push the trays to move. At the same time, the products can be smoothly arranged by the automatic advancement of the conveyor belt, and finally, with the help of inertia and gravity, the products are discharged onto the lower trays. This automated tray arrangement process can significantly improve the working efficiency of food production lines, reduce manual intervention, thereby increasing production speed and automation, and significantly improving overall production efficiency.

[0026] 2. The design of the rotating plate and conveyor belt allows for adjustment of the relative position between the conveyor belt and the product at the end of the belt. This reduces impact between the edges of large products and the conveyor belt, preventing damage or misalignment due to excessive force. This design helps protect the integrity of larger products, ensuring they are not damaged during traying, and is particularly suitable for complex or large product types. Attached Figure Description

[0027] Figure 1 This is an isometric view of the overall structure of the oscillating head plate sorting machine, which is the main embodiment of this application.

[0028] Figure 2 This is an isometric view of the main components of the mounting frame and conveyor belt in the embodiments of this application;

[0029] Figure 3 These are isometric views of the main structural components of the support frame in the embodiments of this application;

[0030] Figure 4 This is a front view of the main structure on the support frame in the embodiments of this application;

[0031] Figure 5 This is an isometric view of a portion of the structure on the mounting bracket in an embodiment of this application.

[0032] Reference numerals: 1. Frame; 11. Operating platform; 12. Slide rail; 13. Support; 14. Feeding device; 15. Pushing device; 2. Mounting frame; 21. Sliding drive assembly; 211. Sliding drive motor; 212. Synchronous pulley; 22. Support plate; 23. Support roller; 24. Tensioning assembly; 241. Tensioning roller; 242. Adjusting plate; 243. Adjusting roller; 25. Scraper; 3. Support frame; 31. Rotating plate; 32. Photoelectric sensor; 33. Rotation drive cylinder; 34. Sliding roller; 35. Conveyor belt; 4. Conveyor drive assembly; 41. Conveyor drive motor; 42. Drive roller; 5. Positioning plate; 51. Brush; 100. Tray. Detailed Implementation

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] This application discloses a swivel head tray arrangement machine.

[0035] See Figure 1 The swivel tray feeding machine includes a frame 1, on which a tray feeding device 14 is mounted. The tray feeding device 14 is a lifting mechanism, and a slide rail 12 is located below the lifting mechanism. The slide rail 12 is horizontally positioned and includes an operating platform 11 and a support 13. The support 13 is located on the side of the operating platform 11 facing away from the lifting mechanism in the width direction. Multiple rollers are mounted on the upper side of the support 13, and any one of the rollers is horizontally positioned. The tray 100 can easily slide along the length direction of the slide rail 12 on the support 13. A tray pushing device 15 is also mounted on the operating platform 11, located below the lifting mechanism and on the side of the slide rail 12 facing away from the support 13. The pushing device can be an electric push rod, a motor, a telescopic frame, or a cylinder. A conveyor belt 35 is also mounted on the operating platform 11, located between the tray feeding device 14 and the support 13. The width direction of the conveyor belt 35 is parallel to the length direction of the slide rail 12. The control panel 11 is also equipped with a control device, and the hoist, the pusher, and the tray supply device 14 are all electrically connected to the control device. The control device can be configured as a PLC integrated module that includes a processor and components such as a power supply, control screen, and buttons electrically connected to the processor.

[0036] In practice, workers can insert trays 100 into the elevator in advance, activate the control device, and the control device will control the elevator to lower the trays 100 onto the operating platform 11. The pushing device 15 will then push the trays 100 from under the elevator to a position parallel to the conveyor belt 35. The elevator will then lower the next tray 100 onto the operating platform 11. Workers can also arrange multiple products in rows along the width of the conveyor belt 35 and place them at the front end of the conveyor belt 35. The control device will then control the conveyor belt 35 to move forward, conveying products onto the trays 100. When a tray 100 is full of products, the pushing device 15 will push the trays 100 below the elevator to move. This will simultaneously push the full trays 100 onto the support 13. The conveyor belt 35 will then repeatedly convey products onto the empty trays 100 parallel to it. By repeating this process, multiple full trays 100 will slide along the length of the support 13, allowing workers to easily remove multiple trays 100 at once.

[0037] See Figure 1-5 A mounting frame 2 is fixed on the operating table 11, and a support frame 3 is mounted on the mounting frame 2. The support frame 3 slides and engages with the mounting frame 2 via a slider rail. A sliding drive assembly 21 is mounted on the mounting frame 2. The sliding drive assembly 21 includes a sliding synchronous belt, which includes a sliding drive motor 211, two synchronous pulleys 212, and a synchronous belt body. The two synchronous pulleys 212 are spaced apart in a horizontal direction, and the synchronous belt body is wound around the two synchronous pulleys 212. The sliding drive motor 211 drives either synchronous pulley 212 to rotate. A clamping plate is fixed on the support frame 3 and is fixed to the synchronous belt body. The sliding drive motor 211 is electrically connected to the control device.

[0038] A rotating plate 31 is provided on the side of the support frame 3 near the slide rail 12. A sliding roller 34 is provided on the side of the rotating plate 31 near the slide rail 12 along the width direction of the slide rail 12. The sliding roller 34 is horizontally positioned, and its axis is parallel to the length direction of the slide rail 12. The sliding roller 34 is rotatably connected to the rotating plate 31 around its own axis. The side of the rotating plate 31 away from the sliding roller 34 is rotatably connected to the support frame 3. The axis of rotation between the rotating plate 31 and the support frame 3 is parallel to the axis of rotation of the sliding roller 34. A rotation drive assembly is also provided on the support frame 3. The rotation drive assembly includes a rotation drive cylinder 33. The cylinder body of the rotation drive cylinder 33 is rotatably connected to the support frame 3, and the end of the piston rod of the rotation drive cylinder 33 is rotatably connected to the rotating plate 31. The rotation drive cylinder 33 is connected to an external air pump, and the solenoid valve and control device inside the rotation drive cylinder 33 are electrically connected. In actual operation, the staff uses the control device to drive the solenoid valve in the rotary drive cylinder 33 to open and close, thereby driving the piston rod of the rotary drive cylinder 33 to extend and retract, causing the rotating plate 31 to rotate downward.

[0039] A support plate 22 is provided on the side of the support frame 3 facing away from the slide rail 12 along the forward direction of the conveyor belt 35. The support plate 22 is fixed on the mounting frame 2 and is horizontally positioned. A support roller 23 is provided on the side of the support plate 22 facing away from the slide rail 12. The axis of the support roller 23 is parallel to the axis of the sliding roller 34, and the support roller 23 is rotatably connected to the support plate 22 around its own axis. The two ends of the upper belt body of the conveyor belt 35 are respectively wound around the support roller 23 and the sliding roller 34.

[0040] The conveyor belt 35 also includes a conveyor drive assembly 4, which is mounted on the mounting frame 2 and includes a drive roller 42. The drive roller 42 is horizontally positioned and rotatably connected to the support frame 3 around its own axis. A conveyor drive motor 41 is fixed on the mounting frame 2. The housing of the conveyor drive motor 41 is fixed relative to the mounting frame 2, and the output shaft of the drive motor is coaxially fixed with the drive roller 42.

[0041] A tensioning assembly 24 is also provided on the underside of the support plate 22 and the rotating plate 31. The tensioning assembly 24 includes multiple tensioning rollers 241, with the axis of any tensioning roller 241 parallel to the axis of the support roller 23. Each tensioning roller 241 is rotatably connected to the mounting frame 2 about its own axis. The multiple tensioning rollers 241 are distributed on both sides of the drive roller 42 along the forward direction of the conveyor belt 35.

[0042] The mounting frame 2 is also equipped with an adjusting plate 242, which slides vertically with the mounting frame 2 via a slide rail slider. An adjusting roller 243 is mounted on the adjusting plate 242, with its axis parallel to the axis of the support roller 23. The adjusting roller 243 is rotatably connected to the adjusting plate 242 around its own axis. The lower belt of the conveyor belt 35 is sequentially wound around multiple tension rollers 241, adjusting rollers 243, and drive rollers 42. In actual operation, the adjusting rollers 243 move downwards under gravity, thus keeping the upper belt of the conveyor belt 35 flat and moving forward.

[0043] The mounting frame 2 is also equipped with a scraper 25, which is located below the tension roller 241 closest to the slide rail 12. The side of the scraper 25 closest to the slide rail 12 abuts against the conveyor belt 35 below the tension roller 241, so that the lower side of the conveyor belt 35 is sandwiched between the scraper 25 and the corresponding tension roller 241. In actual operation, the scraper 25 can reduce the amount of food residue adhering to the conveyor belt 35, reducing the possibility of food residue adhering to the conveyor belt 35 or any tension roller 241, thus affecting the forward movement of the conveyor belt 35.

[0044] A photoelectric sensor 32 is installed on the rotating plate 31, and the photoelectric sensor 32 is located at the end of the conveyor belt 35. The photoelectric sensor 32 is electrically connected to the control device. In actual operation, when the photoelectric sensor 32 detects that a product is passing on the conveyor belt 35, it outputs a signal to the control device. The control device outputs control commands to the sliding drive motor 211 and the rotation drive cylinder 33. The sliding drive motor 211 drives the support frame 3 to move away from the slide rail 12 along the forward direction of the conveyor belt 35. At the same time, the piston rod of the rotation drive cylinder extends, causing the rotating plate 31 to rotate downward.

[0045] A positioning plate 5 is also provided on the support frame 3. One end of the positioning plate 5 is rotatably connected to the support frame 3 along its length. The rotation axis of the positioning plate 5 and the support frame 3 is parallel to the width direction of the conveyor belt 35. A brush 51 is provided on the positioning frame. The brush 51 slides along the length of the positioning plate 5 and is detachably fixed to the positioning plate 5 by bolts and nuts. The brush 51 is located at the end of the conveyor belt 35 and is suspended in the air. When the operator is debugging the entire oscillating tray electromechanical system, it is ensured that when the product falls from the end of the conveyor belt 35, the brush 51 brushes over the upper side of the product.

[0046] The implementation principle of a swivel tray arrangement machine according to an embodiment of this application is as follows: In actual operation, the operator places multiple empty trays 100 sequentially on the elevator and places rows of products sequentially on the conveyor belt 35. The swivel tray arrangement machine is started, and the elevator lowers the empty trays 100 onto the operating table 11. The tray pushing device 15 pushes the empty trays 100 to the underside of the conveyor belt 35. The conveyor drive motor 41 drives the conveyor belt 35 forward via the drive roller 42. The products on the conveyor belt 35 move forward with the conveyor belt 35. When the products on the conveyor belt 35 pass the photoelectric sensor 32, the photoelectric sensor 32 outputs a signal to the control device. The control device outputs control commands to the sliding drive motor 211 and the rotation drive cylinder 33. The sliding drive motor 211 moves the entire support frame 3 horizontally away from the slide rail 12 by driving the synchronous belt. Simultaneously, the drive cylinder 33 extends, causing the rotating plate 31 to rotate downwards. Products on the conveyor belt 35, which were initially moving in the forward direction, are thrown onto the empty pallet 100 by the horizontal inertia and vertical gravity after the conveyor belt 35 suddenly moves away. The sliding drive motor 211 then moves the support frame 3 to another position on the upper side of the pallet 100 along the forward direction of the conveyor belt 35 via the synchronous belt. This process is repeated to throw the next row of products onto the next row on the pallet 100. By continuously repeating this process, the empty pallet 100 is filled with products. During this process, the elevator pulls the next empty pallet 100 down onto the operating table 11. When the product fills the previous empty pallet 100, the pusher device 15 pushes the next empty pallet 100 to the underside of the conveyor belt 35, thereby pushing the pallet 100 filled with products onto the support 13 for easy removal by staff.

[0047] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A swivel-head tray-arranging machine, characterized in that: The system includes a frame (1), on which a slide rail (12) is provided for a pallet (100) to slide horizontally. A pallet feeding device (14) for supplying empty pallets (100) is provided on one side of the slide rail (12) along its length. A pallet pushing device (15) is provided below the pallet feeding device (14). A conveyor belt (35) is provided on the frame (1), the width of which is parallel to the length of the slide rail (12). The conveyor belt (35) includes support rollers (23) and sliding rollers (34) spaced apart along the forward direction. The sliding rollers (34) are located on the side closest to the slide rail (12). The belt (35) is wound around the support roller (23) and the sliding roller (34). The axis of the support roller (23) and the sliding roller (34) is parallel to the width direction of the conveyor belt (35). The support roller (23) is rotatably connected to the frame (1) about its own axis. The sliding roller (34) slides and cooperates with the frame (1) along the forward direction of the conveyor belt (35). The sliding roller (34) is rotatably connected to the frame (1) about its own axis. The frame (1) is provided with a sliding drive assembly (21) for driving the sliding roller (34) to slide. The frame (1) is also provided with a tensioning assembly (24) for ensuring the flatness of the upper belt.

2. The oscillating head tray-arranging machine according to claim 1, characterized in that: A support frame (3) is provided on the frame (1). The support frame (3) slides and cooperates with the frame (1) along the forward direction of the conveyor belt (35). The sliding roller (34) is provided on the support frame (3). The sliding roller (34) is rotatably connected to the support frame (3) around its own axis. The sliding drive assembly (21) drives the support frame (3) to slide along the forward direction of the conveyor belt (35).

3. The oscillating head tray-arranging machine according to claim 2, characterized in that: The support frame (3) is provided with a rotating plate (31), and the sliding roller (34) is rotatably connected to the rotating plate (31) around its own axis. The sliding roller (34) is located on the side of the rotating plate (31) close to the slide rail (12). The side of the rotating plate (31) away from the sliding roller (34) is rotatably connected to the support frame (3). The rotation axis of the rotating plate (31) and the support frame (3) is parallel to the rotation axis of the sliding roller (34). The support frame (3) is also provided with a rotation drive assembly for driving the rotating plate (31) to rotate downward.

4. The oscillating head tray-arranging machine according to claim 3, characterized in that: The support frame (3) is provided with a transmission drive motor (41), the housing of the transmission drive motor (41) is fixed on the support frame (3), and a drive roller (42) is coaxially fixed on the output shaft of the transmission drive motor (41). The axial direction of the drive roller (42) is parallel to the length direction of the slide (12), and the lower side of the conveyor belt (35) is wound around the drive roller (42).

5. A swivel-head tray-arranging machine according to claim 4, characterized in that: The tensioning assembly (24) includes multiple tensioning rollers (241), the axis of any tensioning roller (241) is parallel to the axis of the drive roller (42), one end of the axis of any tensioning roller (241) is rotatably connected to the mounting frame (2), the mounting frame (2) is also provided with an adjusting plate (242), the adjusting plate (242) slides vertically with the mounting frame (2), the adjusting plate (242) is also provided with an adjusting roller (243), the axis of the adjusting roller (243) is parallel to the axis of the drive roller (42), one end of the axis of the adjusting roller (243) is rotatably connected to the adjusting plate (242), the multiple tensioning rollers (241) are arranged on both sides of the adjusting roller (243) along the forward direction of the conveyor belt (35), the belt body of the conveyor belt (35) is sequentially wound around the multiple tensioning rollers (241), the belt body of the conveyor belt (35) is wound around the adjusting roller (243) from the bottom to the top.

6. The oscillating head tray-arranging machine according to claim 5, characterized in that: The mounting bracket (2) is also fixed with a scraper (25). The side of the scraper (25) away from the fixed end abuts against the lower side of the conveyor belt (35). The scraper (25) is located under a tension roller (241) near the rotating plate (31). The lower side of the conveyor belt (35) is sandwiched between the scraper (25) and the corresponding tension roller (241).

7. A swivel-head tray-arranging machine according to claim 3, characterized in that: The rotation drive assembly includes a rotation drive cylinder (33), the cylinder body of which is rotatably connected to the support frame (3) at one end away from the piston rod, and the piston rod end of the rotation drive cylinder (33) is rotatably connected to one side of the rotating plate (31).

8. A swivel-head tray-arranging machine according to claim 4, characterized in that: A photoelectric sensor (32) is fixed on the side of the rotating plate (31) near the slide (12). A control device is provided on the frame (1). The sliding drive assembly (21), the rotation drive assembly and the conveyor belt (35) drive motor are all electrically connected to the control device. The photoelectric sensor (32) is also electrically connected to the control device.

9. A swivel-head tray-arranging machine according to claim 2, characterized in that: The support frame (3) is also provided with a brush (51), which is located at the end of the conveyor belt (35). The brush (51) is adjustable and fixed on the support frame (3).

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