Automatic tray feeding and discharging device

Abstract

The invention relates to the technical field of automatic equipment, and discloses an automatic tray feeding and discharging device which comprises a base which serves as a basic component of the whole device and is used for assembling and bearing all processing mechanisms and subordinate structural parts of the processing mechanisms. The multiple tray molds are arranged in the base at equal intervals and used for bearing and filling materials in the ceramic tile machining process; and the quantitative material distribution mechanism is arranged on one side of the top end of the base and used for conducting raw material quantification and automatic material distribution treatment in the ceramic tile machining process. By adding and arranging the quantitative material distribution mechanism, in the ceramic tile processing process, the quantitative material distribution mechanism has the two outstanding advantages that firstly, automatic quantitative material distribution is achieved, the material distribution amount of each time is accurately controlled, and each ceramic tile product can be highly uniform in material distribution; the mechanism further has the function of primarily pressing and shaping the materials in the tray mold after material distribution, and a good foundation is laid for subsequent processing links.

Description

Technical Field

[0001] The invention relates to the technical field of automated equipment, and in particular to an automated loading and unloading device for a pallet. Background Art

[0002] Ceramic tiles, as an ideal choice for space decoration, light up life with diverse appearances. Its appearance, fine and realistic texture, from the rough texture of imitation natural stone, to the warm texture of imitation wood grain, to the pure color of modern minimalist style, can be adapted to various home decoration and work wear styles. In terms of performance, ceramic tiles are hard and wear-resistant, and can withstand frequent daily trampling and furniture moving scratches. With excellent waterproof and moisture-proof properties, they are not afraid of the invasion of moisture in the kitchen and moisture in the bathroom, and keep them as new for a long time. When cleaning, just wipe gently with a damp cloth, and the stains will be easily removed. Whether it is laid on the ground to bear the footsteps, or decorated on the wall to enhance the style, ceramic tiles have laid a solid and charming foundation for the space with their beautiful and practical characteristics.

[0003] In the process of tile processing, it is necessary to go through many key links such as raw material mixing, ball milling, drying and granulation, raw material feeding, pressing and demoulding, and drying and sintering. However, in the important step of feeding the raw materials after drying and granulation into the tray mold, the traditional manual feeding method exposes many disadvantages. It is difficult to accurately control the amount of materials used in manual operation, resulting in a large deviation in the amount of material put in, which has an adverse effect on the uniformity of subsequent product molding and makes the product quality uneven. At the same time, during the manual feeding process, due to frequent scooping, pouring and other actions, it is very easy to cause material spillage, resulting in unnecessary losses, which invisibly increases the raw material cost of the enterprise. In addition, this continuous feeding work intensity is high, and the staff need to repeat mechanical actions for a long time, the labor intensity is extremely high, and it is easy to cause fatigue, which further affects the work efficiency and product quality. Therefore, those skilled in the art have proposed an automatic loading and unloading device for pallets to solve the above-mentioned technical problems. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides an automatic loading and unloading device for a pallet, which solves the problem that the traditional manual loading has large deviations and easily causes uneven quality of tile products produced after subsequent processing.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a pallet automatic loading and unloading device, comprising: The base, as the basic component of the whole device, is used to assemble and carry each processing mechanism and its subordinate structural parts; A plurality of tray molds are equidistantly arranged within the base for carrying and filling materials during the tile processing process; A quantitative material distribution mechanism, which is arranged on one side of the top of the base, is used for quantitative material distribution and automatic material distribution during the tile processing process; The molding mechanism is arranged in the middle of the front end of the base, and is used to perform molding processing on the raw materials after being processed by the quantitative material distribution mechanism; An embryo separation mechanism is arranged on one side of the middle part of the front end of the base, and is used to separate the tray mold processed by the molding mechanism and the embryo formed therein; The recycling mechanism is arranged at both ends of the base and is used to transport and return the pallet mold after use and recycle it.

[0006] Preferably, the quantitative material distribution mechanism includes a processing box, which is fixedly connected to the top side of the base, a storage cavity is provided in the middle and upper part of the inner side of the processing box, and the bottom of the storage cavity is W-shaped, a feed pipe is provided in the middle part of the top of the processing box, and the interior of the feed pipe is connected with the interior of the storage cavity, rotating rollers are rotatably connected on both sides of the middle part of the bottom end of the storage cavity, and a plurality of groups of quantitative cavities are equidistantly provided on the outer wall surface of the rotating roller, stepper motors are provided at both ends of the middle part of one side of the processing box, and the output end of the stepper motor passes through the processing box and is connected to the middle part of one end of the rotating roller at the corresponding position.

[0007] Preferably, the quantitative distribution mechanism also includes a distribution plate, the distribution plate is slidably connected to the middle and lower inner side of the processing box, sliding cavities are opened at the four corners of the middle and lower inner side of the processing box, the interior of the sliding cavity is slidably connected to a mounting tube, and one side of the middle and lower outer wall of the mounting tube at the corresponding position is respectively connected to a corner of the outer wall of the distribution plate, the middle part of the inner bottom end of the mounting tube is fixedly connected with a return spring, the top of the return spring is respectively connected to the corresponding position of the top of the inner wall of the sliding cavity at the corresponding position, the outer wall of the mounting tube and the inner wall of the sliding cavity are provided with a raised granular coating, the middle and lower parts of both sides of the interior of the processing box are rotatably connected with an elliptical seat, the two elliptical seats are connected by a synchronization rod, a driving motor is provided at the middle and lower part of one side of the outer wall of the processing box, and the output end of the driving motor passes through the processing box and is connected to the middle part of one end of the elliptical seat on the same side.

[0008] Preferably, the compression molding mechanism includes a support arm 1, which is fixedly connected to the middle part of the front end of the base, a hydraulic cylinder 1 is arranged in the middle part of the inner top end of the support arm 1, the top end of the rod body of the hydraulic cylinder 1 is fixedly connected to a mounting seat 2, the bottom end of the mounting seat 2 is fixedly connected to a molding press seat, a sealing strip is arranged near the edge of the bottom end of the molding press seat, a breathing cylinder is arranged in the middle part of the molding press seat, and the interior of the breathing cylinder is communicated with the bottom of the molding press seat, a material filter plate is arranged in the middle and lower part of the inner side of the breathing cylinder, a filter cotton cover is fixedly connected to the top of the material filter plate, a breathing groove is opened at the top of the breathing cylinder, and the interior of the breathing groove is communicated with the interior of the breathing cylinder, positioning strips are arranged near the edge of the top end of the tray mold, and the outer diameter of the sealing strip is larger than the outer diameter of the positioning strip, and a cavity is opened in the middle part of the bottom end of the positioning strip.

[0009] Preferably, the embryo separation mechanism includes a second support arm, which is fixedly connected to the middle of a side of the front end of the base away from the processing box, a linear motion module is provided in the middle of the inner top of the second support arm, a second hydraulic cylinder is fixedly connected to the middle of the bottom end of the linear motion module, a mounting seat is fixedly connected to the top of the second hydraulic cylinder rod, a separation seat is fixedly connected to the bottom end of the mounting seat, a separation strip is provided at the bottom end of the separation seat near the edge, and the outer diameter of the separation strip is smaller than the outer diameter of the positioning strip, and a plurality of exhaust holes are equidistantly provided at the upper and middle part of the separation strip near the edge.

[0010] Preferably, the embryo separation mechanism also includes a vacuum generator, and the vacuum generator is arranged in the middle part of the top of the separation seat, and the vacuum negative pressure end of the vacuum generator is connected with the interior of the separation seat, and a plurality of groups of suction ports are equidistantly provided at the bottom end of the inner wall of the separation seat, and the interior of the suction ports is connected with the bottom end of the separation seat, and a connecting seat is fixedly connected to one side of the middle part of the rear end of the base, and a chain conveyor belt is arranged inside the connecting seat.

[0011] Preferably, the circulation processing mechanism includes a rear end box, a rear end box is arranged on the end of the base away from the processing box, an inclined guide cavity is opened in the inner middle part of the rear end box, a stepping conveyor belt is arranged in the inner middle and upper part of the base, guide rubber strips are arranged at positions near the top on both sides of the inner wall of the base, and a return conveyor belt is arranged in the inner middle and lower part of the base.

[0012] Preferably, the circulation processing mechanism also includes a front end box, which is arranged on the end of the base away from the rear end box, a lifting cavity is opened on one side of the interior of the front end box, an inclined discharge port is arranged in the middle and upper part of one side of the lifting cavity, a sloped inlet is arranged in the middle and lower part of one side of the lifting cavity, and a rotating flap is rotatably connected to the middle and upper part of the inner wall of the lifting cavity close to the stepping conveyor belt.

[0013] Preferably, the circulation processing mechanism also includes a reciprocating vertical lifter, and a reciprocating vertical lifter is arranged on the inner bottom of the lifting chamber, and lifting rods are fixedly connected at both ends of the middle part of one side of the reciprocating vertical lifter, and a plurality of plug holes are equidistantly provided in the middle part of the top end of the lifting rod, and arc grooves are opened on both sides of the middle part of the bottom end of the tray mold, and a plurality of positioning rods are equidistantly fixedly connected in the middle part of the top end of the arc groove, and the positioning rods match the size of the plug holes.

[0014] Working principle: During the tile processing, the quantitative feeding mechanism is started first, and the raw materials after drying and granulation enter the storage cavity in the processing box through the feeding pipe on the processing box, and with the natural sinking and flow of the raw materials, they enter the quantitative cavity on the rotating roller, and then the stepper motor on the processing box is started, and the rotating shaft of the stepper motor drives the rotating roller at the bottom of the storage cavity to rotate synchronously while rotating, and the rotating roller drives the quantitative cavity filled with raw materials on it to rotate synchronously while rotating, and then the raw materials in the quantitative cavity rotate synchronously while the quantitative cavity rotates, and after it breaks away from the limit of the inner wall of the processing box, it falls to the feeding plate. The tray mold is on the tray, and at the same time, part of the raw materials on the distribution plate fall into the tray mold through the distribution holes on it, and the cycle is repeated to complete the quantitative distribution processing in the tile processing process. When the raw materials in the storage chamber fall onto the distribution plate, the driving motor on the processing box is started, and the rotating shaft of the driving motor drives the elliptical seat on one side to rotate while rotating. The elliptical seat drives the elliptical seat on the other side to rotate through the synchronous rod while rotating. The two elliptical seats squeeze the distribution plate and move downward synchronously. The distribution plate moves downward and drives the installation cylinders at its four corners to move downward synchronously in the sliding cavity in the processing box. When the installation cylinder moves downward, the installation cylinder inside The return spring is stretched and opened, and then after the material plate moves down to the lowest position, the elliptical seat is reset as it rotates and its thrust on the material plate disappears. At this time, the return spring in the mounting cylinder is reset and contracted, and the return spring drives the mounting cylinder on it to reset synchronously in the sliding cavity on the processing box while resetting and contracting. The mounting cylinder also drives the material plate that has moved down to move up and reset while resetting. At this time, affected by the friction of the raised particle coating on the outer wall of the mounting cylinder and the inner wall of the sliding cavity, the mounting cylinder in the sliding cavity will vibrate while moving up and the vibration is transmitted to the material plate synchronously. Therefore, when the material plate moves up, it is also affected by the vibration and the raw materials on it are also The raw materials will fall into the tray mold on the stepping conveyor belt through the distribution holes. In this process, not only can the vibration dispersion distribution of the raw materials be completed, but also the re-screening and screening of the raw materials can be completed through the cooperation of vibration and the distribution holes on the distribution board. After the above treatment, the raw materials on the distribution board enter the tray mold at the bottom of the processing box through the distribution holes on it, and then the above distribution operation is repeated. While the distribution board moves downward, it will perform preliminary compaction on the raw materials in the tray mold, so as to prevent the raw materials in the tray mold from being scattered and lost during the transportation process, so as to complete the quantitative and automatic distribution of raw materials in the tile processing process;After the raw material in the pallet mold has been processed by the quantitative feeding mechanism, the stepping conveyor belt in the base is started and transported to the position of the support arm one, and then the molding mechanism is started. At this time, the rod body of the hydraulic cylinder one on the support arm one is pushed out, and the rod body on the hydraulic cylinder one drives the mounting seat two, the molding seat and the sealing strip at the bottom to move down synchronously. In the process of the molding seat and the sealing strip moving down, the sealing strip first contacts with the positioning strip in the pallet mold, and as the sealing strip moves down, the sealing strip squeezes the positioning strip in the pallet mold, thereby causing the upper half of the positioning strip to move toward the center of the mold at the same time, thereby gathering the raw material in the pallet mold to the middle, making the raw material in the pallet mold more compact, while the upper half of the positioning strip gathers to the center of the mold, it also squeezes the cavity space in the middle and lower part of the inner side of the positioning strip to gradually shrink until it disappears, and finally as the molding seat is pressed down, the upper part of the raw material in the pallet mold is pressed again by the molding seat, thereby The originally loose raw materials in the tray mold are pressed into the embryo body before the ceramic tile is fired, thereby completing the compression molding of the ceramic tile embryo body. When the molding seat and the sealing strip at the bottom of the mounting seat 2 move downward, the sealing strip contacts the positioning strip in the tray mold, so that a sealed space is formed at the bottom of the molding seat. Then, as the molding seat and the sealing strip at the bottom of the seat continue to move downward, the space in the sealed space is squeezed, and the air inside the space carries some dust on the surface of the embryo body and moves into the breathing tube on the molding seat. The air and the dust carried by the air entering the breathing tube are first filtered and intercepted by the material filter plate at the bottom, thereby intercepting most of the dust carried in the air and returning it to the surface of the embryo body, and the dust remaining in the air is filtered and separated again by the filter cotton cover in the breathing tube. Finally, the pure air after multiple filtration and separation is discharged into the external environment through the breathing groove on the breathing tube, thereby avoiding environmental pollution caused by dust overflow during the compression molding process of the embryo body.The embryo body processed by the compression molding mechanism is transported to the position of the supporting arm 2 through the stepping conveyor belt in the base, and then the embryo body separation mechanism is started. First, the rod body on the hydraulic cylinder 2 is pushed out. While the rod body on the hydraulic cylinder 2 is pushed out, it drives the mounting seat 1, the separation seat and the separation rubber strip at the bottom to move downward synchronously. As the separation rubber strip moves downward, the separation rubber strip enters the gap between the embryo body and the positioning rubber strip in the tray mold, thereby forming a relatively closed space at the bottom of the separation seat, and as the separation seat continues to move downward, the separation seat squeezes the air in the space below it so that the air is discharged through the exhaust holes on the separation rubber strip until the bottom of the separation seat fits the surface of the embryo body, and the separation seat stops. The vacuum generator on the separation seat is started, and the vacuum generator draws the inside of the separation seat into a vacuum state, and fixes the embryo at the bottom by adsorption, and then the rod of the hydraulic cylinder 2 is retracted and reset, and the rod of the hydraulic cylinder 2 is retracted and reset while driving the mounting seat 1, the separation seat, the separation rubber strip and the embryo at the bottom to move upward, thereby completing the embryo separation process, and then the linear motion module on the support arm 2 is started, and the linear motion module simultaneously drives the hydraulic cylinder 2, the mounting seat 1, the separation seat and the embryo at the bottom to move onto the chain plate conveyor belt in the connection seat while moving, and then the embryo is transported to the subsequent glazing station and firing station through the chain plate conveyor belt, thereby completing the processing of the tile;Finally, the circulation processing mechanism is started, and the pallet mold after being processed by the embryo separation mechanism continues to move with the conveyance of the stepping conveyor belt in the base. When the pallet mold moves to the end of the base, the pallet mold on the stepping conveyor belt enters the inclined guide cavity in the rear end box, and the pallet mold entering the inclined guide cavity continues to slide and fall onto the return conveyor belt at the bottom of the base under the guidance of the lower inclined surface of the inclined guide cavity, and then is transported and moved by the return conveyor belt, so that it returns to the initial processing position. Then, when the pallet mold on the return conveyor belt moves to its end, the pallet mold enters the bottom of its lifting cavity through the inclined entrance on the front end box. When the pallet mold enters the bottom of the lifting cavity, the lifting rod on the reciprocating vertical lifter is also synchronously inserted into the arc groove at the bottom of the pallet mold, and as the pallet mold moves, the positioning rods in the arc groove are also synchronously inserted into the corresponding socket holes on the lifting rod, thereby fixing the pallet mold on the lifting rod. Then, the reciprocating vertical lifter on the front end box is started and moved upward. When the lifter moves upward, it drives the lifting rod and the pallet mold on it to move upward synchronously. When the pallet mold moves upward, it supports the rotating flap in the lifting chamber to make it flip upward. Then, when the pallet mold moves up to the top position in the lifting chamber, the supporting force on the rotating flap disappears and resets. Then, the reciprocating vertical lifter drives the lifting rod and the pallet mold on it to move downward and reset. When the pallet mold moves downward to the position of the rotating flap, the lifting rod is separated from the pallet mold on it by the rotating flap, and then the pallet mold falls on the rotating flap. The reciprocating vertical lifter and the lifting rod move downward and reset to the original position at the bottom of the lifting chamber. Then, the pallet mold on the rotating flap is guided by its inclined surface and slides through the inclined discharge port again to fall on the stepping conveyor belt in the base. When the pallet mold enters the stepping conveyor belt, its position is guided and corrected by the guide rubber strip inside it, so that the pallet mold after a set of cycle process is returned to the bottom of the processing box for reprocessing and recycling, thereby completing the recycling of the pallet mold. ;

[0015] The present invention provides an automatic loading and unloading device for pallets. It has the following beneficial effects: 1. The present invention increases and sets a quantitative feeding mechanism, which has two outstanding advantages in the ceramic tile processing process. First, it realizes automatic quantitative feeding and accurately controls the feeding amount each time, so that each ceramic tile product can achieve highly uniform material distribution, completely avoiding the error problem that is prone to occur in manual feeding, and greatly reducing the labor intensity of the staff. Second, the mechanism also has the function of initially pressing and shaping the material in the tray mold after feeding, which lays a good foundation for subsequent processing links, and this processing method can also avoid the spillage loss during the material transportation process after the feeding is completed, and can also avoid the pollution of the processing environment caused by the spillage of materials.

[0016] 2. The present invention adds and sets a molding mechanism. When the mold material after the cloth is pressed and formed, on the one hand, the mechanism adds a positioning rubber strip inside the mold. During the molding process, the positioning rubber strip will be deformed due to the force. With this deformation, additional pressure can be applied to the material in the mold, so that the material is arranged more closely and compactly, and the density and quality of the molded product are greatly improved. At the same time, the positioning rubber strip can also buffer the pressure during the pressing process of the embryo, thereby preventing the embryo from cracking due to excessive pressure. On the other hand, the breathing structure added by the mechanism can collect the material overflowed due to pressing in a timely and efficient manner during the pressing and forming period, effectively avoiding the material from scattering everywhere, preventing pollution to the processing environment, maintaining the cleanliness and orderliness of the production environment, and helping to achieve green and efficient production.

[0017] 3. The present invention increases and sets a embryo separation mechanism. During the ceramic tile processing, when the tray mold completes the pressing task of the material, the pressure on the positioning strip in the mold disappears, and then quickly rebounds and resets. This ingenious rebound action is of great significance. It accurately generates a perfect gap between the embryo and the positioning strip. The generation of this gap first avoids the hard impact on the embryo that may be caused by the rigid mold under the traditional separation method, effectively protects the integrity of the embryo, and greatly reduces the defective rate. Secondly, this gap provides a natural convenience for the subsequent embryo separation work, making the separation operation smoother and more efficient, and significantly improving the overall refinement and production efficiency of ceramic tile processing.

[0018] 4. The present invention adds and sets a circulation processing mechanism. During the processing of ceramic tiles, on the one hand, the mechanism can automatically and accurately transport the used pallet mold back to the original position, completely abandoning the cumbersome steps of manual handling, resetting and adding by staff in the past, greatly reducing the manpower burden and avoiding time loss and potential errors caused by manual operation. On the other hand, the mechanism effectively guarantees the continuity of the ceramic tile processing process by virtue of its efficient mold circulation operation, closely connects the processes, greatly improves the overall ceramic tile processing efficiency, and helps enterprises produce more high-quality products per unit time and enhance their market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the front structure of the present invention; Figure 2 It is a schematic diagram of the rear structure of the present invention; Figure 3 It is a schematic diagram of the local structure of the base of the present invention; Figure 4 It is a schematic transverse cross-sectional view of the internal structure of the processing box of the present invention; Figure 5 It is a longitudinal cross-sectional schematic diagram of the internal structure of the processing box of the present invention; Figure 6 It is a schematic diagram of the local structure of the cloth plate of the present invention; Figure 7 It is a partial structural schematic diagram of a support arm of the present invention; Figure 8 It is a schematic diagram of the local structure of the forming press seat of the present invention; Fig. 9 It is a cross-sectional schematic diagram of the internal structure of the breathing cylinder of the present invention; Fig.10 It is a schematic diagram of the partial structure of the second supporting arm of the present invention; Fig.11 It is a schematic diagram of the local structure of the separation seat of the present invention; Fig.12 It is a cross-sectional schematic diagram of the internal structure of the separation seat of the present invention; Fig.13 This is a schematic diagram of the bottom structure of the tray mold of the present invention; Fig.14 It is a cross-sectional schematic diagram of the internal structure of the positioning rubber strip of the present invention; Fig.15 It is a cross-sectional schematic diagram of the internal structure of the rear end box of the present invention; Fig.16 It is a schematic cross-sectional view of the internal structure of the front-end box of the present invention; Fig.17 The figure is a schematic diagram for comparing the sizes of the sealing strip, the positioning strip and the separating strip of the present invention.

[0020] Among them, 1. base; 2. support arm 1; 3. support arm 2; 4. rear end box; 5. guide rubber strip; 6. mounting seat 1; 7. hydraulic cylinder 1; 8. mounting seat 2; 9. processing box; 10. stepping motor; 11. reciprocating vertical lifter; 12. front end box; 13. chain plate conveyor belt; 14. connecting seat; 15. hydraulic cylinder 2; 16. stepping conveyor belt; 17. tray mold; 18. return conveyor belt; 19. positioning rubber strip; 20. storage cavity; 21. quantitative cavity; 22. sliding cavity; 23. driving motor; 24. reset spring; 25. cloth plate; 26. synchronization rod; 27 , mounting cylinder; 28, elliptical seat; 29, rotating roller; 30, raised particle coating; 31, sealing strip; 32, forming press seat; 33, breathing cylinder; 34, breathing groove; 35, filter cotton cover; 36, material filter plate; 37, separation seat; 38, separation strip; 39, vacuum generator; 40, exhaust hole; 41, adsorption port; 42, arc groove; 43, positioning rod; 44, cavity; 45, inclined guide cavity; 46, inclined discharge port; 47, rotating flap; 48, inclined inlet; 49, lifting rod; 50, plug-in hole; 51, lifting cavity; 52, linear motion module. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings of the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Please see attached Figure 1 - Attachment Figure 2 The embodiment of the present invention provides an automatic loading and unloading device for a pallet, comprising a base 1, which is used as the basic component of the overall device for assembling and carrying various processing mechanisms and their subordinate structural parts; a plurality of pallet molds 17, which are equidistantly arranged within the base 1, for carrying and loading materials in the process of tile processing; Please see attached Figure 4 - Attachment Figure 6 , a quantitative material distribution mechanism, which is arranged on one side of the top of the base 1, and is used for quantitative material distribution and automatic material distribution during the tile processing process; The quantitative material distribution mechanism includes a processing box 9, and the processing box 9 is fixedly connected to one side of the top end of the base 1. A storage cavity 20 is opened in the middle and upper part of the inner side of the processing box 9, and the bottom of the storage cavity 20 is arranged in a W shape. A feeding pipe is arranged in the middle of the top end of the processing box 9, and the interior of the feeding pipe is connected with the interior of the storage cavity 20. Rotating rollers 29 are rotatably connected to both sides of the middle of the bottom end of the storage cavity 20, and multiple groups of quantitative cavities 21 are equidistantly opened on the outer wall surface of the rotating roller 29. Stepper motors 10 are arranged at both ends of the middle part of one side of the processing box 9, and the output end of the stepper motor 10 passes through the processing box 9 and is connected to the middle part of one end of the rotating roller 29 at the corresponding position.

[0023] When the quantitative feeding mechanism is started, the raw materials after drying and granulation treatment enter the storage chamber 20 in the processing box 9 through the feeding pipe on the processing box 9, and enter the quantitative chamber 21 on the rotating roller 29 with the natural sinking and flow of the raw materials, and then the stepper motor 10 on the processing box 9 is started, and the rotating shaft of the stepper motor 10 drives the rotating roller 29 at the bottom of the storage chamber 20 to rotate synchronously while rotating, and the rotating roller 29 drives the quantitative chamber 21 filled with raw materials thereon to rotate synchronously while rotating, and then the raw materials in the quantitative chamber 21 rotate synchronously while the quantitative chamber 21 rotates, and after it is separated from the limit of the inner wall of the processing box 9, it falls onto the feeding plate 25, and at the same time, a part of the raw materials on the feeding plate 25 falls into the tray mold 17 through the feeding holes thereon, and the cycle is repeated, thereby completing the quantitative feeding processing in the tile processing process.

[0024] The quantitative distributing mechanism also includes a distributing plate 25, which is slidably connected to the middle and lower part of the inner side of the processing box 9. Sliding cavities 22 are provided at the four corners of the middle and lower part of the inner side of the processing box 9. The interior of the sliding cavity 22 is slidably connected with a mounting tube 27, and one side of the middle and lower part of the outer wall of the mounting tube 27 at the corresponding position is respectively connected to a corner of the outer wall of the distributing plate 25, and a return spring 24 is fixedly connected to the middle part of the inner bottom end of the mounting tube 27, and the top of the return spring 24 is respectively connected to the corresponding position of the top of the inner wall of the sliding cavity 22 at the corresponding position. The outer wall of the mounting tube 27 and the inner wall of the sliding cavity 22 are provided with a raised particle coating 30, and the middle and lower parts of both sides of the interior of the processing box 9 are rotatably connected with an elliptical seat 28, and the two elliptical seats 28 are connected by a synchronization rod 26. A driving motor 23 is provided at the middle and lower part of one side of the outer wall of the processing box 9, and the output end of the driving motor 23 passes through the processing box 9 and is connected to the middle part of one end of the elliptical seat 28 on the same side.

[0025] When the raw materials in the storage chamber 20 fall onto the distribution plate 25, the driving motor 23 on the processing box 9 is started, and the rotating shaft of the driving motor 23 drives the elliptical seat 28 on one side to rotate while rotating, and the elliptical seat 28 drives the elliptical seat 28 on the other side to rotate through the synchronization rod 26 while rotating, and the two elliptical seats 28 squeeze the distribution plate 25 to move downward synchronously while rotating, and the distribution plate 25 drives the mounting tubes 27 at its four corners to move downward synchronously in the sliding chamber 22 in the processing box 9 while moving downward, and the return spring 24 therein is stretched and opened while the mounting tube 27 moves downward.

[0026] Then, after the distribution plate 25 moves down to the lowest position, the elliptical seat 28 is reset as it rotates and its thrust on the distribution plate 25 also disappears. At this time, the reset spring 24 in the mounting cylinder 27 is reset and contracted. The reset spring 24 drives the mounting cylinder 27 thereon to be synchronously reset in the sliding cavity 22 on the processing box 9 while resetting and contracting. The mounting cylinder 27 also synchronously drives the distribution plate 25 after moving down to move up and reset while resetting. At this time, affected by the friction of the protruding particle coating 30 on the outer wall of the mounting cylinder 27 and the inner wall of the sliding cavity 22, the mounting cylinder 27 in the sliding cavity 22 will generate vibration while moving up and synchronously transmit it to the distribution plate 25. Therefore, when the distribution plate 25 moves up, the raw materials thereon will also fall into the tray mold 17 on the stepping conveyor belt 16 through the distribution holes under the influence of the vibration. In this process, not only the vibration dispersion distribution processing of the raw materials can be completed, but also the re-screening and screening processing of the raw materials can be completed through the cooperation of the vibration and the distribution holes on the distribution plate 25.

[0027] After the above-mentioned treatment, the raw materials on the distribution plate 25 enter the tray mold 17 at the bottom of the processing box 9 through the distribution holes thereon, and then the above-mentioned distribution operation is circulated. The distribution plate 25 performs preliminary compaction treatment on the raw materials in the tray mold 17 while moving downward, thereby preventing the raw materials in the tray mold 17 from spilling and being lost during the transportation process, thereby completing the quantification and automatic distribution of raw materials in the tile processing process.

[0028] Please see attached Figure 7 - Attachment Fig. 9 , a compression molding mechanism, which is arranged in the middle of the front end of the base 1, and is used to perform compression molding on the raw materials after being processed by the quantitative material distribution mechanism; The compression molding mechanism includes a support arm 2, a support arm 2 is fixedly connected to the middle of the front end of the base 1, a hydraulic cylinder 7 is arranged in the middle of the inner top of the support arm 2, a mounting seat 2 8 is fixedly connected to the top of the rod of the hydraulic cylinder 7, a molding press seat 32 is fixedly connected to the bottom end of the molding press seat 32 near the edge thereof, a sealing strip 31 is arranged in the middle of the molding press seat 32, and the interior of the breathing strip 33 is communicated with the bottom of the molding press seat 32, a material filter plate 36 is arranged in the middle and lower part of the inner side of the breathing strip 33, a filter cotton cover 35 is fixedly connected to the top of the material filter plate 36, a breathing groove 34 is provided at the top of the breathing strip 33, and the interior of the breathing groove 34 is communicated with the interior of the breathing strip 33, a positioning strip 19 is arranged near the edge of the top of the tray mold 17, and the outer diameter of the sealing strip 31 is larger than the outer diameter of the positioning strip 19, and a cavity 44 is arranged in the middle of the bottom end of the positioning strip 19.

[0029] When the compression molding mechanism is started, the rod of the hydraulic cylinder 7 on the support arm 2 is pushed out, and the rod on the hydraulic cylinder 7 is pushed out, while driving the mounting seat 28, the molding seat 32 and the sealing strip 31 at the bottom thereof to move downward synchronously. In the process of the molding seat 32 and the sealing strip 31 moving downward, the sealing strip 31 first contacts the positioning strip 19 in the pallet mold 17, and as the sealing strip 31 moves downward, the sealing strip 31 squeezes the positioning strip 19 in the pallet mold 17, causing the upper half of the positioning strip 19 to move toward the center of the mold at the same time, thereby gathering the raw materials in the pallet mold 17 to the middle, making the raw materials in the pallet mold 17 more compact.

[0030] Please see attached Fig.13 While the upper part of the positioning strip 19 is gathered toward the center of the mold, the cavity 44 in the middle and lower part of the inner side of the positioning strip 19 is squeezed and gradually reduced until it disappears. Finally, as the forming press seat 32 is pressed down, the upper part of the raw material in the tray mold 17 is pressed again by the forming press seat 32, so that the originally loose raw material in the tray mold 17 is pressed into a blank before the tile is fired, thereby completing the molding process of the tile blank.

[0031] When the molding press seat 32 and the sealing strip 31 at the bottom of the mounting seat 28 move downward, as the sealing strip 31 contacts the positioning strip 19 in the tray mold 17, a sealed space is formed at the bottom of the molding press seat 32. Then, as the molding press seat 32 and the sealing strip 31 at its bottom continue to move downward, the space in the sealed space is squeezed, and the air inside it carries some dust on the surface of the embryo and moves into the breathing tube 33 on the molding press seat 32. The air and the dust carried by the breathing tube 33 are first filtered and intercepted by the material filter plate 36 at the bottom thereof, thereby intercepting most of the dust carried in the air and returning it to the surface of the embryo, and the dust remaining in the air is filtered and separated again by the filter cotton cover 35 in the breathing tube 33. Finally, the pure air after multiple filtration and separation is discharged into the external environment through the breathing groove 34 on the breathing tube 33, thereby avoiding environmental pollution caused by dust overflow during the molding process of the embryo.

[0032] After the raw materials in the tray mold 17 are pressed into a blank, the molding press seat 32 moves upward while driving the sealing strip 31 at its bottom to move upward synchronously. The sealing strip 31 moves upward while separating from the positioning strip 19 in the tray mold 17. When the sealing strip 31 is separated from the positioning strip 19 in the tray mold 17, the pressure on the positioning strip 19 disappears and it is reset synchronously, so that the positioning strip 19 in the tray mold 17 changes from a state of being in contact with the edge of the blank to a state of being separated from the edge of the blank. After the positioning strip 19 is separated from the blank in the tray mold 17, a gap that meets the insertion size of the separation strip 38 is formed between the two, thereby facilitating subsequent blank separation operations.

[0033] Please see attached Fig.10 - Attachment Fig.12 , an embryo separation mechanism, which is arranged on one side of the middle part of the front end of the base 1, and is used to separate the tray mold 17 processed by the molding mechanism and the embryo formed therein; The embryo separation mechanism includes a support arm 2 3, and the support arm 2 3 is fixedly connected to the middle part of the side of the front end of the base 1 away from the processing box 9, and a linear motion module 52 is provided in the middle part of the inner top of the support arm 2 3, and the middle part of the bottom end of the linear motion module 52 is fixedly connected to a hydraulic cylinder 2 15, and the top of the rod body of the hydraulic cylinder 2 15 is fixedly connected to a mounting seat 1 6, and the bottom end of the mounting seat 1 6 is fixedly connected to a separation seat 37, and a separation strip 38 is provided at the bottom end of the separation seat 37 near the edge, and the outer diameter of the separation strip 38 is smaller than the outer diameter of the positioning strip 19, and a plurality of exhaust holes 40 are equidistantly provided in the middle and upper part of the separation strip 38 near the edge.

[0034] When the embryo separation mechanism is started, the rod body on the hydraulic cylinder 2 15 is pushed out first, and the rod body on the hydraulic cylinder 2 15 is pushed out, while driving the mounting seat 1 6, the separation seat 37 and the separation rubber strip 38 at the bottom thereof to move downward synchronously. As the separation rubber strip 38 moves downward, the separation rubber strip 38 enters the gap between the embryo and the positioning rubber strip 19 in the tray mold 17, so that a relatively closed space is formed at the bottom of the separation seat 37, and as the separation seat 37 continues to move downward, the separation seat 37 squeezes the air in the space below it so that the air is discharged through the exhaust holes 40 on the separation rubber strip 38, until the bottom of the separation seat 37 fits the embryo surface, and the separation seat 37 stops moving downward.

[0035] An exhaust hole 40 is added in the middle and upper part of the separation strip 38. On the one hand, it is to discharge the air between the embryo and the separation seat 37, so as to facilitate the subsequent embryo separation operation. On the other hand, it is to prevent the exhaust hole 40 from being blocked when the separation strip 38 is deformed by pressure, thereby causing the air between the separation seat 37 and the exhaust hole 40 to fail to be discharged normally, resulting in subsequent vacuum failure and other problems.

[0036] The embryo separation mechanism also includes a vacuum generator 39, which is arranged in the middle of the top of the separation seat 37, and the vacuum negative pressure end of the vacuum generator 39 is connected to the interior of the separation seat 37, and a plurality of groups of adsorption ports 41 are equidistantly provided at the bottom end of the inner wall of the separation seat 37, and the interior of the adsorption ports 41 is connected to the bottom end of the separation seat 37, and a connecting seat 14 is fixedly connected to the middle side of the rear end of the base 1, and a chain plate conveyor belt 13 is arranged inside the connecting seat 14.

[0037] Then the vacuum generator 39 on the separation seat 37 is started, the vacuum generator 39 draws the interior of the separation seat 37 into a vacuum state, and adsorbs and fixes the embryo at the bottom, and then the rod body of the hydraulic cylinder 2 15 contracts and resets, while the rod body of the hydraulic cylinder 2 15 contracts and resets, it drives the mounting seat 1 6 at the bottom, the separation seat 37, the separation strip 38 and the embryo at the bottom to move upward, thereby completing the embryo separation process.

[0038] Afterwards, the linear motion module 52 on the support arm 2 3 is started, and while moving, the linear motion module 52 simultaneously drives the hydraulic cylinder 2 15, the mounting seat 1 6, the separation seat 37 and the embryo at the bottom thereof to move onto the chain conveyor belt 13 in the connecting seat 14, and then the embryo is transported to the subsequent glazing station and firing station through the chain conveyor belt 13, thereby completing the processing of the ceramic tiles.

[0039] Please see attached Figure 3 and 15 - Attachment Fig.16The recycling mechanism is arranged at both ends of the base 1 and is used to transport and return the tray mold 17 after use and recycle it.

[0040] The circulation processing mechanism includes a rear end box 4, which is arranged on the end of the base 1 away from the processing box 9. An inclined guide cavity 45 is opened in the inner middle part of the rear end box 4, and a stepping conveyor belt 16 is arranged in the inner middle and upper part of the base 1. Guide rubber strips 5 are arranged at positions near the top on both sides of the inner wall of the base 1, and a return conveyor belt 18 is arranged in the inner middle and lower part of the base 1.

[0041] When the circulation processing mechanism is started, the tray mold 17 after being processed by the embryo separation mechanism continues to move with the conveyance of the stepping conveyor belt 16 in the base 1. When the tray mold 17 moves to the end of the base 1, the tray mold 17 on the stepping conveyor belt 16 moves into the inclined guide cavity 45 in the rear end box 4, and the tray mold 17 entering the inclined guide cavity 45 continues to slide and fall onto the return conveyor belt 18 at the bottom of the base 1 under the guidance of the lower inclined surface of the inclined guide cavity 45, and then is transported and moved by the return conveyor belt 18, so that it returns to the initial processing position.

[0042] The circulation processing mechanism also includes a reciprocating vertical lifter 11, and the reciprocating vertical lifter 11 is arranged at the inner bottom of the lifting chamber 51. Lifting rods 49 are fixedly connected at both ends of the middle part of one side of the reciprocating vertical lifter 11, and a plurality of plug holes 50 are equidistantly provided in the middle of the top end of the lifting rod 49. Arc grooves 42 are opened on both sides of the middle part of the bottom end of the tray mold 17, and a plurality of positioning rods 43 are fixedly connected at equidistant distances in the middle of the top end of the arc groove 42, and the positioning rods 43 match the size of the plug holes 50.

[0043] Then, when the pallet mold 17 on the return conveyor belt 18 moves to its end, the pallet mold 17 enters the bottom of its lifting cavity 51 through the inclined entrance 48 on the front end box 12. When the pallet mold 17 enters the bottom of the lifting cavity 51, the lifting rod 49 on the reciprocating vertical lifter 11 is also synchronously inserted into the arc groove 42 at the bottom of the pallet mold 17, and as the pallet mold 17 moves, the positioning rods 43 in the arc groove 42 are also synchronously inserted into the corresponding plug holes 50 on the lifting rod 49, thereby fixing the pallet mold 17 on the lifting rod 49.

[0044] A plurality of positioning rods 43 are added inside the arc groove 42. On the one hand, it is to ensure the accuracy of the position of the reciprocating vertical lifter 11 when conveying the pallet mold 17, so as to position the pallet mold 17 therethrough; on the other hand, it is also to prevent the pallet mold 17 from reversing and falling when in contact with the rotating flap 47 during the ascending process, thereby ensuring the normal upward movement and discharge of the pallet mold 17.

[0045] The circulation processing mechanism also includes a front end box 12. The front end box 12 is arranged on the end of the base 1 away from the rear end box 4. A lifting cavity 51 is opened on one side of the interior of the front end box 12. An inclined discharge port 46 is arranged at the middle and upper part of one side of the lifting cavity 51. An inclined inlet 48 is arranged at the middle and lower part of one side of the lifting cavity 51. A rotating flap 47 is rotatably connected to the middle and upper part of the inner wall of the lifting cavity 51 close to the stepping conveyor belt 16.

[0046] Afterwards, the reciprocating vertical lifter 11 on the front end box 12 is started and moved upward. While the reciprocating vertical lifter 11 moves upward, it drives the lifting rod 49 and the pallet mold 17 thereon to move upward synchronously. While the pallet mold 17 moves upward, it supports the rotating flap 47 in the lifting chamber 51 to make it flip upward. Then, when the pallet mold 17 moves up to the top position in the lifting chamber 51, the supporting force on the rotating flap 47 disappears and it is reset. Then, the reciprocating vertical lifter 11 drives the lifting rod 49 and the pallet mold 17 thereon to move downward and reset. When the pallet mold 17 moves down to the position of the rotating flap 47, the lifting rod 49 and the pallet mold 17 thereon are rotated by rotating the flap 47. 7 is separated, and then the pallet mold 17 falls on the rotating flap 47, the reciprocating vertical lifter 11 and the lifting rod 49 move down and reset to the original position at the bottom of the lifting chamber 51, and then the pallet mold 17 on the rotating flap 47 is guided by its inclined surface and slides through the inclined discharge port 46 again to fall on the stepping conveyor belt 16 in the base 1. When the pallet mold 17 enters onto the stepping conveyor belt 16, its position is guided and corrected by the guide rubber strip 5 therein, so that the pallet mold 17 after a set of circulation process is returned to the bottom of the processing box 9 for reprocessing and recycling, thereby completing the recycling of the pallet mold 17.

[0047] Please see attached Fig.17 , the sizes of the sealing strip 31, the positioning strip 19 and the separating strip 38 are not the same. The outer diameter of the sealing strip 31 is slightly larger than that of the positioning strip 19. The inner side of the sealing strip 31 and the outer side of the positioning strip 19 are in contact and friction when they are inserted. Therefore, when the sealing strip 31 moves downward, its bottom will squeeze the positioning strip 19 to move toward the center, thereby pressing the edge of the raw material in the tray mold 17. At the same time, when the positioning strip 19 is deformed, the cavity 44 therein will be squeezed to disappear. When the pressure of the sealing strip 31 on the positioning strip 19 disappears, the cavity 44 in the positioning strip 19 is reset, thereby driving the positioning strip 19 to return to its original shape and position, thereby generating a gap between the embryo and the positioning strip 19. When the embryo is separated, the separating strip 38 enters the gap, thereby facilitating the subsequent embryo separation operation.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pallet automatic loading and unloading device, characterized in that: include: A base (1), which serves as a basic component of the overall device and is used to assemble and carry various processing mechanisms and their subordinate structural components; A plurality of tray molds (17) are equidistantly arranged inside the base (1) and are used to carry and load materials during the tile processing process; A quantitative material distribution mechanism, which is arranged on one side of the top of the base (1) and is used for quantitative material distribution and automatic material distribution during the tile processing process; A compression molding mechanism, which is arranged at the middle of the front end of the base (1) and is used to perform compression molding on the raw materials after being processed by the quantitative material distribution mechanism; An embryo separation mechanism, which is arranged on one side of the middle part of the front end of the base (1) and is used to separate the tray mold (17) processed by the molding mechanism from the embryo formed therein; The recycling mechanism is arranged at both ends of the base (1) and is used to transport and return the tray mold (17) after use and to recycle it.

2. The automatic loading and unloading device for pallets according to claim 1 is characterized in that: The quantitative material distribution mechanism comprises a processing box (9), the processing box (9) is fixedly connected to one side of the top end of the base (1), a material storage cavity (20) is provided in the middle and upper part of the inner side of the processing box (9), and the bottom of the material storage cavity (20) is arranged in a W-shape, a material delivery pipe is provided in the middle part of the top end of the processing box (9), and the interior of the material delivery pipe is communicated with the interior of the material storage cavity (20), rotating rollers (29) are rotatably connected to both sides of the middle part of the bottom end of the material storage cavity (20), and multiple groups of quantitative cavities (21) are equidistantly provided on the outer wall surface of the rotating roller (29), and stepping motors (10) are provided at both ends of the middle part of one side of the processing box (9), and the output end of the stepping motor (10) passes through the processing box (9) and is connected to the middle part of one end of the rotating roller (29) at a corresponding position.

3. The automatic loading and unloading device for pallets according to claim 2 is characterized in that: The quantitative material distributing mechanism further comprises a material distributing plate (25), the material distributing plate (25) being slidably connected to the middle and lower part of the inner side of the processing box (9), a sliding cavity (22) being provided at each of the four corners of the middle and lower part of the inner side of the processing box (9), a mounting tube (27) being slidably connected to the interior of the sliding cavity (22), and a middle and lower part of the outer wall of the mounting tube (27) at a corresponding position is respectively connected to a corner of the outer wall of the material distributing plate (25), a return spring (24) being fixedly connected to the middle part of the inner bottom end of the mounting tube (27), and the top end of the return spring (24) is respectively connected to the corresponding The processing box (9) is connected to the corresponding position of the top of the inner wall of the sliding cavity (22); the outer wall of the mounting cylinder (27) and the inner wall of the sliding cavity (22) are both provided with a raised particle coating (30); the middle and lower parts of both sides of the inside of the processing box (9) are rotatably connected to elliptical seats (28); the two elliptical seats (28) are connected via a synchronization rod (26); a driving motor (23) is provided at the middle and lower part of one side of the outer wall of the processing box (9), and the output end of the driving motor (23) passes through the processing box (9) and is connected to the middle part of one end of the elliptical seat (28) on the same side.

4. The automatic loading and unloading device for pallets according to claim 1, characterized in that: The compression molding mechanism comprises a support arm 1 (2), the front middle part of the base (1) is fixedly connected to the support arm 1 (2), the inner top middle part of the support arm 1 (2) is provided with a hydraulic cylinder 1 (7), the top end of the rod of the hydraulic cylinder 1 (7) is fixedly connected to a mounting seat 2 (8), the bottom end of the mounting seat 2 (8) is fixedly connected to a molding seat (32), the bottom end of the molding seat (32) is provided with a sealing strip (31) near the edge, the middle part of the molding seat (32) is provided with a breathing tube (33), and the interior of the breathing tube (33) is connected to the molding seat (32). The bottom of the tray mold (17) is connected, a material filter plate (36) is arranged at the middle and lower part of the inner side of the breathing cylinder (33), and the top of the material filter plate (36) is fixedly connected to the filter cotton cover (35), and a breathing groove (34) is opened at the top of the breathing cylinder (33), and the inside of the breathing groove (34) is connected to the inside of the breathing cylinder (33), and a positioning strip (19) is arranged near the edge of the top of the tray mold (17), and the outer diameter of the sealing strip (31) is larger than the outer diameter of the positioning strip (19), and a cavity (44) is opened in the middle of the bottom end of the positioning strip (19).

5. The automatic loading and unloading device for pallets according to claim 1 is characterized in that: The embryo separation mechanism comprises a second support arm (3), the second support arm (3) is fixedly connected to the middle of the side of the front end of the base (1) away from the processing box (9), a linear motion module (52) is provided in the middle of the inner top of the second support arm (3), and a second hydraulic cylinder (15) is fixedly connected to the middle of the bottom end of the linear motion module (52), the top of the rod body of the second hydraulic cylinder (15) is fixedly connected to a mounting seat (6), the bottom end of the mounting seat (6) is fixedly connected to a separation seat (37), a separation rubber strip (38) is provided at the bottom end of the separation seat (37) near the edge, and the outer diameter of the separation rubber strip (38) is smaller than the outer diameter of the positioning rubber strip (19), and a plurality of exhaust holes (40) are equidistantly provided at the middle and upper part of the separation rubber strip (38) near the edge.

6. The automatic loading and unloading device for pallets according to claim 5, characterized in that: The embryo separation mechanism further comprises a vacuum generator (39), the vacuum generator (39) being arranged at the middle of the top end of the separation seat (37), and the vacuum negative pressure end of the vacuum generator (39) being communicated with the interior of the separation seat (37), a plurality of groups of adsorption ports (41) being arranged at equal intervals at the bottom end of the inner wall of the separation seat (37), and the interior of the adsorption ports (41) being communicated with the bottom end of the separation seat (37), and a connecting seat (14) being fixedly connected to one side of the middle of the rear end of the base (1), and a chain plate conveyor belt (13) being arranged inside the connecting seat (14).

7. The automatic loading and unloading device for pallets according to claim 1, characterized in that: The circulation processing mechanism comprises a rear end box (4), a rear end box (4) is arranged on one end of the base (1) away from the processing box (9), an inclined guide cavity (45) is opened in the middle of the inner side of the rear end box (4), a stepping conveyor belt (16) is arranged in the middle and upper part of the inner side of the base (1), guide rubber strips (5) are arranged at positions close to the top on both sides of the inner wall of the base (1), and a return conveyor belt (18) is arranged in the middle and lower part of the inner side of the base (1).

8. The automatic loading and unloading device for pallets according to claim 7, characterized in that: The circulation processing mechanism also includes a front box (12), the front box (12) being arranged on one end of the base (1) away from the rear box (4), a lifting chamber (51) being provided on one side of the interior of the front box (12), an inclined discharge port (46) being provided at the middle and upper part of one side of the lifting chamber (51), an inclined inlet (48) being provided at the middle and lower part of one side of the lifting chamber (51), and a rotating flap (47) being rotatably connected at the middle and upper part of one side of the inner wall of the lifting chamber (51) close to the stepping conveyor belt (16).

9. The automatic pallet loading and unloading device according to claim 8, characterized in that: The circulation processing mechanism also includes a reciprocating vertical lifter (11), and the reciprocating vertical lifter (11) is arranged at the inner bottom of the lifting chamber (51), and lifting rods (49) are fixedly connected at both ends of the middle part of one side of the reciprocating vertical lifter (11), and a plurality of plug holes (50) are equidistantly provided in the middle of the top end of the lifting rod (49), and arc grooves (42) are opened on both sides of the middle part of the bottom end of the tray mold (17), and a plurality of positioning rods (43) are equidistantly fixedly connected in the middle of the top end of the arc groove (42), and the positioning rods (43) match the size of the plug holes (50).

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