Tray folding and unfolding machine and tray folding and unfolding system

Abstract

The embodiment of the utility model provides a tray unstacking and stacking machine and a tray unstacking and stacking system, the tray unstacking and stacking machine comprises at least one tray unstacking and stacking device, and the tray unstacking and stacking device comprises a mounting frame, a driving assembly and a forking assembly. Wherein the driving assembly is connected with the mounting frame; the forking assembly is connected with the mounting frame and connected with the driving assembly, the driving assembly is used for driving the forking assembly to selectively move in the length direction of the mounting frame, and the forking assembly is used for forking and lifting the tray. According to the tray unstacking and stacking machine, the driving assembly and the lifting and forking assembly are used for stacking or unstacking the trays, and compared with manual tray unstacking and stacking in the prior art, the efficiency is high.

Description

Technical Field

[0001] This application relates to the technical field of logistics equipment, and particularly to a folding pallet machine and a pallet folding system. Background Art

[0002] Pallets are commonly used loading and handling tools in the logistics field, mainly horizontal platform devices for unitizing, stacking, handling, and transporting goods and products as unit loads. To save storage space, pallets are usually stacked for storage.

[0003] In the prior art, pallets are usually folded manually, but the efficiency is low. Summary of the Utility Model

[0004] Embodiments of this application provide a folding pallet machine and a pallet folding system to solve the problem of low efficiency in manually folding pallets in the prior art.

[0005] In a first aspect, embodiments of this application provide a folding pallet machine, including at least one group of folding pallet devices, and the folding pallet device includes:

[0006] A mounting frame;

[0007] A driving component, connected to the mounting frame;

[0008] A lifting and fork-taking component, connected to the mounting frame, and the lifting and fork-taking component is connected to the driving component. The driving component is used to drive the lifting and fork-taking component to selectively move in a direction close to or away from the pallet, and the lifting and fork-taking component is used to fork and lift the pallet.

[0009] In a feasible implementation, the lifting and fork-taking component includes:

[0010] A support frame, connected to the mounting frame, and the support frame is connected to the driving component. The driving component drives the support frame to selectively move in a direction close to or away from the pallet;

[0011] Fork fingers, used to be slidably connected to the support frame, and the fork fingers are used to fork the pallet;

[0012] A lifting component, fixedly connected to the support frame and connected to the fork fingers. The lifting component is used to drive the fork fingers to selectively move in the height direction.

[0013] In a feasible implementation, the folding pallet device further includes a first guiding component, and the first guiding component is used for guiding the lifting of the fork fingers. The first guiding structure is one of a slide rail-slider cooperation structure, a slide rail-guide wheel cooperation structure, and a clamping wheel cooperation structure.

[0014] In a feasible implementation, the lifting component is one of a hydraulic cylinder lifting drive structure, a pneumatic cylinder lifting structure, an electric cylinder lifting structure, a gear-rack lifting structure, and a hoisting structure.

[0015] In a feasible implementation, the lifting component includes a linear drive mechanism, a lifting wheel, and a traction member. The lifting wheel is configured on the actuator of the linear drive structure. One end of the traction member is fixedly connected to the support frame, and the other end of the traction member bypasses the lifting wheel and is fixedly connected to the fixed seat. The linear drive mechanism is one of a hydraulic cylinder, a pneumatic cylinder, and an electric cylinder, and the traction member is a chain or a steel belt.

[0016] In a feasible implementation, the folding tray device further includes a second guiding component for guiding the movement of the fingers in a direction close to or away from the tray. The second guiding structure is one of a slide rail-slider matching structure, a slide rail-guide wheel matching structure, and a clamping wheel matching structure.

[0017] In a feasible implementation, the driving component includes one of a hydraulic cylinder driving mechanism, a pneumatic cylinder driving structure, an electric cylinder driving structure, a gear-rack driving structure, and a lead screw driving structure.

[0018] In a feasible implementation, the driving component includes a driving motor and a transmission component. The driving motor is connected to the mounting frame, and the transmission component is connected to the lifting and picking component. The driving motor is connected to the transmission component, and the driving motor drives the lifting and picking component to selectively move along the length direction of the mounting frame through the transmission component. The transmission component is a chain drive structure or a belt drive structure.

[0019] In a feasible implementation, the folding tray machine includes a plurality of folding tray devices arranged side by side. The plurality of folding tray devices can simultaneously pick the same tray or pick different trays respectively.

[0020] In a second aspect, an embodiment of the present application provides a tray folding system, including a tray conveying device and a folding tray machine as in the first aspect;

[0021] The tray conveying device is used for conveying trays;

[0022] The folding tray machine is arranged on one side of the tray conveying device and is used for stacking the trays conveyed by the tray conveying device.

[0023] In a feasible implementation, the tray conveying device includes a tray conveying component, a first blocking component, and a second blocking component;

[0024] Along the conveying direction of the tray conveying component, the first blocking component and the second blocking component are sequentially installed on the tray conveying component, and the first blocking component and the second blocking component are spaced apart by the length of one tray;

[0025] The first blocking component is used for blocking the tray to be folded, and the second blocking component is used for blocking the tray to facilitate the folding tray machine to fold the tray.

[0026] In a first aspect, an embodiment of the present application provides a pallet folding machine, which includes at least one pallet folding device. The pallet folding device includes a mounting frame, a driving component, and a lifting and picking component. Among them, the driving component is connected to the mounting frame; the lifting and picking component is connected to the mounting frame, and the lifting and picking component is connected to the driving component. The driving component is used to drive the lifting and picking component to selectively move along the length direction of the mounting frame, and the lifting and picking component is used to pick up and lift the pallet. The pallet folding machine of the present application uses the driving component and the lifting and picking component to stack or unstack pallets, and has higher efficiency compared with manually folding pallets in the prior art.

[0027] In a second aspect, an embodiment of the present application provides a pallet folding and unfolding system, which includes a pallet conveying device and a pallet folding machine as described in the first aspect. Among them, the pallet conveying device is used to convey pallets; the pallet folding machine is arranged on one side of the pallet conveying device, and the pallet folding machine is used to fold and unfold the pallets conveyed by the pallet conveying device. The pallet folding and unfolding system can efficiently stack or unstack a large number of pallets by using the pallet conveying device and the pallet folding machine. In addition, since the pallet folding and unfolding system includes the pallet folding machine described in any one of the above technical solutions, it has all the beneficial effects of the pallet folding machine in any one of the above technical solutions, which will not be elaborated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the present invention, and constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present application and do not constitute an improper limitation to the present invention.

[0029] In the drawings:

[0030] Figure 1 is a schematic structural diagram of a pallet folding and unfolding system provided by the first embodiment of the present application;

[0031] Figure 2 is Figure 1 a schematic structural diagram of the pallet folding machine of the pallet folding and unfolding system in plus the outer shell;

[0032] Figure 3 is a schematic structural diagram of a pallet folding and unfolding system provided by the second embodiment of the present application.

[0033] Description of the reference numerals:

[0034] 100 - pallet folding device; 200 - pallet conveying component; 300 - pallet;

[0035] 110 - mounting frame; 120 - driving component; 130 - lifting and picking component; 210 - first blocking component; 220 - second blocking component; 230 - outer shell;

[0036] 121 - Driving motor; 122 - Transmission assembly; 131 - Support frame; 132 - Fixed seat; 133 - Interdigital; 134 - Lifting assembly. Detailed implementation manners

[0037] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0038] In the description of the embodiments of this application, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of these features. In the description of this application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0039] In this application, unless otherwise clearly specified and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0040] In this application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0041] A pallet is a commonly used loading and handling tool in the logistics field, mainly used as a horizontal platform device for containerizing, stacking, handling and transporting goods and products as unit loads. In order to save storage space, pallets are usually stacked and stored.

[0042] In the prior art, pallets are usually disassembled manually, but the efficiency is low.

[0043] To solve the problem of low efficiency of manually folding pallets in the prior art, the embodiments of the present application provide a pallet folding machine and a pallet folding system. The following will detail the solutions provided by the embodiments of the present application in conjunction with the accompanying drawings of the specification.

[0044] Figure 1 It is a schematic structural diagram of the pallet folding system provided by the first embodiment of the present application.

[0045] Referring to Figure 1 As shown, the embodiments of the present application provide a pallet folding machine, including at least one pallet folding device 100, and the pallet folding device 100 is used to replace manual pallet folding of the pallet 300.

[0046] Exemplarily, the pallet folding device 100 includes a mounting frame 110, a driving assembly 120, and a lifting and fork-taking assembly 130. Among them, the driving assembly 120 is connected to the mounting frame 110; the lifting and fork-taking assembly 130 is connected to the mounting frame 110, and the lifting and fork-taking assembly 130 is connected to the driving assembly 120. The driving assembly 120 is used to drive the lifting and fork-taking assembly 130 to selectively move in a direction close to or away from the pallet 300, that is, selectively move along the length direction of the mounting frame 110. The lifting and fork-taking assembly 130 is used to fork and lift the pallet 300. The pallet folding machine of the present application uses the driving assembly 120 and the lifting and fork-taking assembly 130 to stack or unstack the pallet 300, which has higher efficiency compared with manual pallet folding of the pallet 300 in the prior art. It should be noted that the length direction of the mounting frame 110 can be referred to as the Figure 1 x direction shown in.

[0047] Exemplarily, the mounting frame 110 is made of steel, specifically including multiple cross beams and multiple longitudinal beams, and the multiple cross beams and multiple longitudinal beams are welded together in sequence to form the mounting frame 110. The material and thickness of the cross beam and the longitudinal beam can be selected according to actual needs, and no specific limitation is made here.

[0048] The driving assembly 120 can be a cylinder driving assembly or a motor driving assembly. When the driving assembly 120 is a cylinder driving assembly, the cylinder block of the cylinder is fixedly installed on the mounting frame 110, and the movable end of the cylinder is connected to the lifting and fork-taking assembly 130. When the cylinder expands and contracts, it drives the lifting and fork-taking assembly 130 to move, and then forks and moves the pallet 300. Referring to Figure 1As shown, in the embodiment of the present application, the driving assembly 120 includes a driving motor 121 and a transmission assembly 122. The driving motor 121 is fixedly installed on the mounting frame 110, and the transmission output end of the transmission assembly 122 is connected to the lifting and picking assembly 130. The output end of the driving motor 121 is connected to the transmission input end, and the driving assembly 120 drives the lifting and picking assembly 130 to selectively move in a direction close to or away from the tray 300 through the transmission assembly 122. Exemplarily, the driving motor 121 can be a servo motor. The transmission assembly 122 can be a belt transmission assembly or a screw and slider transmission assembly, both of which are conventional technologies in the art.

[0049] Taking the transmission assembly as a belt transmission assembly as an example for illustration, the transmission assembly 122 includes a driving pulley, a driven pulley and a transmission belt. Along the length direction of the mounting frame 110, the driving pulley and the driven pulley are installed on the mounting frame 110 at a certain distance, and the transmission belt is wound around the driving pulley and the driven pulley. It can be understood that the transmission belt is arranged along the length direction of the mounting frame 110 at this time. The driving motor 121 is connected to the driving pulley, and the lifting and picking assembly 130 is fixedly connected to the transmission belt. The driving motor 121 drives the transmission belt to rotate, driving the lifting and picking assembly 130 to move along the length direction of the mounting frame 110.

[0050] Refer to Figure 1 As shown, exemplarily, the lifting and picking assembly 130 includes a support frame 131, fork fingers 133 and a lifting assembly 134. Among them, the support frame 131 is connected to the mounting frame 110, and the support frame 131 is connected to the driving assembly 120. The driving assembly 120 drives the support frame 131 to selectively move in a direction close to or away from the tray. The fork fingers 133 are used for sliding connection with the support frame 131, and the fork fingers 133 are used for picking up the tray 300. The lifting assembly 134 is fixedly connected to the support frame 131 and is connected to the fork fingers 133. The lifting assembly 134 is used for driving the fork fingers 133 to selectively move in the height direction.

[0051] In some other examples, the lifting and picking assembly 130 further includes a fixed seat 132. Among them, the support frame 131 is slidably connected to the mounting frame 110, and the support frame 131 can move along the length direction of the mounting frame 110. For example, the support frame 131 can be connected to the mounting frame 110 through a slide rail and slider mating pair, or can be connected to the mounting frame 110 through a mating pair of a limiting member and a pulley. And, the extending direction of the support frame 131 (which can be shown as the z direction in Figure 1 , that is, the vertical direction) is perpendicular to the length direction of the mounting frame 110. Exemplarily, the driving assembly 120 includes a driving motor 121 and a transmission assembly 122. The support frame 131 is connected to the transmission assembly 122 in the driving assembly 120, and the driving motor 121 in the driving assembly 120 drives the support frame 131 to move along the length direction of the mounting frame 110 through the transmission assembly 122.

[0052] In addition, the driving component 120 can also be one of a hydraulic cylinder driving mechanism, a pneumatic cylinder driving structure, an electric cylinder driving structure, a rack and pinion driving structure, and a lead screw driving structure. The above structures are all prior arts, and the specific structures and connection methods will not be described again here.

[0053] The fixed seat 132 is movably connected to the support frame 131. Specifically, the fixed seat 132 is slidably fitted on the support frame 131 and can move along the extension direction of the support frame 131. The finger 133 can extend into the tray 300. The finger 133 is fixed to the fixed seat 132 and is used for picking up and lifting the tray 300. The finger 133 can be fixedly connected to the fixed seat 132 by bolts, or the finger 133 can be integrally formed with the fixed seat 132.

[0054] The lifting component 134 is used to drive the fixed seat 132 to move along the support frame 131. Specifically, the lifting component 134 is fixedly installed on the support frame 131 and is connected to the fixed seat 132. The lifting component 134 is used to drive the fixed seat 132 to selectively move along the extension direction of the support frame 131 (that is, move up or down in the vertical direction).

[0055] In some examples, the lifting component 134 can be one of a hydraulic cylinder lifting driving structure, a pneumatic cylinder lifting structure, an electric cylinder lifting structure, a rack and pinion lifting structure, and a hoisting structure. When the lifting component 134 is configured as a telescopic air cylinder, it is arranged along the extension direction of the support frame 131. During the telescoping process of the telescopic air cylinder, it drives the fixed seat 132 to move along the extension direction of the support frame 131, and then drives the finger 133 to move. The finger 133 drives the tray 300 to move along the extension direction of the support frame 131 (that is, the vertical direction).

[0056] In some other examples, the lifting component 134 can include a linear driving mechanism, a lifting wheel, and a traction member. Among them, the lifting wheel is configured on the actuator of the linear driving structure. One end of the traction member is fixedly connected to the support frame 131, and the other end of the traction member bypasses the lifting wheel and is fixedly connected to the fixed seat 132. The actuator of the linear driving structure lifts the fixed seat 132 through the traction member, thereby driving the finger 133 to move. Exemplarily, the linear driving mechanism is one of a hydraulic cylinder, a pneumatic cylinder, and an electric cylinder, and the traction member is a chain or a steel belt.

[0057] Continue to refer to Figure 1 As shown, the folding tray device 100 further includes a first guiding component, which is used for guiding the lifting of the finger. The first guiding component can be one of a slide rail and slider matching structure, a slide rail and guide wheel matching structure, and a clamping wheel matching structure.

[0058] Exemplarily, the first guiding assembly is connected to the support frame 131 and also connected to the fixed seat 132. The fixed seat 132 is selectively movable along the extending direction of the support frame 131 through the first guiding assembly. That is to say, the fixed seat 132 is connected to the support frame 131 through the first guiding assembly. It can be understood that due to the presence of the first guiding assembly, the fixed seat 132 can smoothly move along the extending direction of the support frame 131, avoiding mutual friction between the two. Exemplarily, when the first guiding assembly is configured as a slide rail and slider matching structure, it includes a slider and a slide rail. The slider is fixedly installed on the fixed seat 132, and the slide rail is fixedly installed on the support frame 131 along the extending direction of the support frame 131, and the slider is connected to the slide rail in a matching manner. Under the action of the slider and the slide rail, the fixed seat 132 can move along the extending direction of the support frame 131.

[0059] Continue to refer to Figure 1 As shown, the folding tray device 100 further includes a second guiding assembly, which is used for guiding the movement of the fingers in the direction of approaching or departing from the tray. The second guiding assembly is one of a slide rail and slider matching structure, a slide rail and guide wheel matching structure, and a clamping wheel matching structure. The second guiding assembly is connected to the mounting frame 110, and the lifting and picking component 130 is connected to the second guiding assembly. The lifting and picking component 130 is selectively movable along the length direction of the mounting frame 110 through the second guiding assembly. That is to say, the lifting and picking component 130 is connected to the mounting frame 110 through the second guiding assembly, so as to achieve the purpose of moving the lifting and picking component 130 in the length direction of the mounting frame 110. Specifically, in some examples, the second guiding assembly is configured as a slide rail and slider matching structure, which includes a slider and a slide rail. The slide rail is fixedly installed on the support frame 131 in the lifting and picking component 130, and the slide rail is fixedly installed on the mounting frame 110 along the length direction of the mounting frame 110, and the slide rail is connected to the slide rail in a matching manner. The support frame 131 can be selectively moved along the length direction of the mounting frame 110 under the action of the slide rail and the slide rail. It can be understood that in order to reduce the friction between the slider and the slide rail, the slider can be configured as a pulley.

[0060] When stacking the pallets 300, the driving motor 121 drives the support frame 131 to move toward the pallet 300 through the transmission assembly 122, and extends the fork 133 connected to the support frame 131 into the pallet 300. Then, the lifting assembly 134 drives the fixed seat 132 to rise to a certain height, and then the fork 133 connected to the fixed seat 132 lifts the pallet 300 to the moving height. When the next pallet 300 is transported to the pallet 300 lifted by the fork 133, the lifting assembly 134 drives the fixed seat 132 and the fork 133 to move downward, and when the pallet 300 lifted by the fork 133 falls on the next pallet 300, the driving motor 121 drives the support frame 131 to move, and then the fork 133 is extracted from the pallet 300. Then, the driving motor 121 and the lifting assembly 134 cooperate to extend the fork 133 into the lowermost pallet 300 again, and the lifting is completed again, and the cycle is repeated in sequence to stack and stack multiple pallets 300. That is, the destacker utilizes the driving assembly 120 and the lifting fork assembly 130 to stack multiple pallets 300 from the bottom of the pallet stack, thereby solving the problem that the stacking height of the pallets 300 in the prior art is limited by the height of the person, and the stacking space cannot be fully utilized. The destacker can improve the stacking efficiency of the pallets 300 and fully utilize the limited pallet stacking space.

[0061] It is understandable that the process of destacking the pallet stack is opposite to the process of stacking the pallets 300 described above, and the details will not be repeated.

[0062] In other examples, since the size of the pallet 300 is large, it is not convenient for one destacking device 100 to stack it, and the destacking machine includes multiple destacking devices 100, and the multiple destacking devices 100 are arranged side by side. The multiple destacking devices 100 simultaneously move the same pallet 300 and stack it. In other words, the fork fingers 133 of the multiple destacking devices 100 are used to fork and lift the pallet 300 at the same time to facilitate its stacking. In addition, the multiple destacking devices 100 can also fork multiple pallets 300 at the same time, that is, destacking or stacking the pallets separately.

[0063] In addition, illustratively, the destacking machine further includes a housing 230, which is made of sheet metal and is fixedly mounted on the mounting frame 110 for shielding various components disposed on the mounting frame 110, thereby protecting the various components and improving the overall aesthetics of the destacking machine.

[0064] Figure 2 yes Figure 1 A schematic diagram of the structure of the destacking machine of the middle tray stacking system with the housing 230 added; Figure 3 It is a schematic structural diagram of a pallet unpacking system provided in the second embodiment of the present application.

[0065] Reference Figure 2 andFigure 3 As shown, in a second aspect, an embodiment of the present application provides a pallet folding system, including a pallet conveying device and a folding machine as described in the first aspect; the pallet conveying device is used to sequentially convey pallets 300; the folding machine is arranged on one side of the pallet conveying device, and the folding machine is used to stack or unstack the pallets 300 conveyed by the pallet conveying device.

[0066] Referring to Figure 2 and Figure 3 As shown, the pallet conveying device includes a pallet conveying assembly 200, a first blocking assembly 210, and a second blocking assembly 220.

[0067] Among them, along the conveying direction of the pallet conveying assembly 200, the first blocking assembly 210 and the second blocking assembly 220 are sequentially installed on the pallet conveying assembly 200, and the first blocking assembly 210 and the second blocking assembly 220 are spaced apart by the length of one pallet 300. The first blocking assembly 210 is used to block the pallets to be stacked, and the second blocking assembly 220 is used to block the pallets 300 to facilitate the folding machine to stack the pallets 300. Exemplarily, the first blocking assembly 210 and the second blocking assembly 220 have the same structure, and both include a driving member and a blocking plate. Among them, the driving member is fixed on the bracket of the pallet conveying assembly 200, the blocking plate is connected to the driving member, and the driving member drives the blocking plate to selectively protrude from the upper surface of the pallet conveying assembly 200 at intervals.

[0068] For example, when stacking the pallets 300, the pallet conveying assembly 200 sequentially conveys the first pallet, the second pallet, and the third pallet for stacking. When stacking the pallets 300, the blocking plate of the second blocking assembly 220 protrudes from the upper surface of the pallet conveying assembly 200 under the drive of the driving member. The first pallet conveyed from the pallet conveying assembly 200 will be blocked by the blocking plate of the second blocking assembly 220. At the same time, the blocking plate of the first blocking assembly 210 will protrude from the surface of the pallet 300 conveying line under the drive of the driving member to block the second pallet and prevent the second pallet from colliding with the stationary first pallet. That is to say, there is only one pallet 300 between the first blocking assembly 210 and the second blocking assembly 220. At this time, the fork fingers 133 of the folding machine will extend into the first pallet and lift it to a certain height. Then, the driving member of the second blocking assembly 220 will drive the blocking plate to move downwards, and the second pallet will reach the position of the blocking plate of the second blocking assembly 220, below the first pallet. At the same time, the driving member of the first blocking assembly 210 will drive the blocking plate to move upwards again to prevent the third pallet from advancing and avoid its collision with the second pallet. Then, the lifting fork picking assembly 130 will lower the first pallet onto the second pallet, the fork fingers 133 will be withdrawn from the first pallet and extend into the second pallet, and so on to stack multiple pallets 300, with high stacking efficiency.

[0069] AsFigure 3 As shown, if the size of the tray 300 is relatively large, multiple folding plate devices 100 can be arranged side by side on the side of the tray conveying assembly 200 to simultaneously fork the tray 300.

[0070] The above specific implementation manners further elaborate on the purpose, technical solutions, and beneficial effects of the embodiments of the present application. It should be understood that the above are only the specific implementation manners of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included within the protection scope of the embodiments of the present application.

Claims

1. A folding disc machine, characterized in that, Comprising at least one set of folding tray devices (100), the folding tray device (100) comprising: A mounting frame (110); A driving assembly (120) connected to the mounting frame (110); A lifting and gripping assembly (130) connected to the mounting frame (110), and the lifting and gripping assembly (130) is connected to the driving assembly (120), the driving assembly (120) being configured to drive the lifting and gripping assembly (130) to selectively move in a direction closer to or away from the tray, the lifting and gripping assembly (130) being configured to grip and lift the tray (300).

2. The folding disc machine according to claim 1, characterized in that, The lifting and gripping assembly (130) comprises: A support frame (131) connected to the mounting frame (110), and the support frame (131) is connected to the driving assembly (120), the driving assembly (120) driving the support frame (131) to selectively move in a direction closer to or away from the tray; Finger forks (133) for slidably connecting to the support frame (131), the finger forks (133) being configured to grip the tray (300); A lifting assembly (134) fixedly connected to the support frame (131) and connected to the finger forks (133), the lifting assembly (134) being configured to drive the finger forks (133) to selectively move in the height direction.

3. The folding disc machine according to claim 2, characterized in that, The folding tray device (100) further comprises a first guiding assembly for guiding the lifting of the finger forks, the first guiding assembly being one of a slide rail and slider mating structure, a slide rail and guide wheel mating structure, and a clamping wheel mating structure.

4. The folding disc machine according to claim 2, wherein The lifting assembly (134) is one of a hydraulic cylinder lifting drive structure, a pneumatic cylinder lifting structure, an electric cylinder lifting structure, a gear and rack lifting structure, and a hoisting structure.

5. The folding disk machine according to claim 2, wherein: The lifting assembly (134) comprises a linear drive mechanism, a lifting wheel, and a traction member, the lifting wheel being disposed on an actuator of the linear drive structure, one end of the traction member being fixedly connected to the support frame (131), the other end of the traction member bypassing the lifting wheel and being fixedly connected to a fixed seat (132), the linear drive mechanism being one of a hydraulic cylinder, a pneumatic cylinder, and an electric cylinder, and the traction member being a chain or a steel belt.

6. The folding disc machine according to claim 1, wherein, The folding tray device (100) further comprises a second guiding assembly for guiding the finger forks when moving in a direction closer to or away from the tray, the second guiding assembly being one of a slide rail and slider mating structure, a slide rail and guide wheel mating structure, and a clamping wheel mating structure.

7. The folding disc machine according to claim 1, wherein: The driving assembly (120) is one of a hydraulic cylinder driving mechanism, a pneumatic cylinder driving structure, an electric cylinder driving structure, a gear and rack driving structure, and a lead screw driving structure.

8. The folding disc machine according to claim 1, wherein, The driving assembly (120) includes a driving motor (121) and a transmission assembly (122). The driving motor (121) is connected to the mounting frame (110), the transmission assembly (122) is connected to the lifting and fork-taking assembly (130), the driving motor (121) is connected to the transmission assembly (122), and the driving motor (121) drives the lifting and fork-taking assembly (130) to selectively move along the length direction of the mounting frame (110) through the transmission assembly (122). The transmission assembly (122) is a chain drive structure or a belt drive structure.

9. The folding disc machine according to claim 1, characterized in that, The pallet folding machine includes a plurality of the pallet folding devices (100). The plurality of the pallet folding devices (100) are arranged side by side, and the plurality of the pallet folding devices (100) can simultaneously fork the same pallet or respectively fork different pallets.

10. A tray folding system, characterized in that, It includes a pallet conveying device and the pallet folding machine according to any one of claims 1-9; The pallet conveying device is used for conveying a pallet (300); The pallet folding machine is arranged on one side of the pallet conveying device, and the pallet folding machine is used for stacking the pallet (300) conveyed by the pallet conveying device.

11. The pallet folding system according to claim 10, characterized in that, The pallet conveying device includes a pallet conveying assembly (200), a first blocking assembly (210), and a second blocking assembly (220); Along the conveying direction of the pallet conveying assembly (200), the first blocking assembly (210) and the second blocking assembly (220) are sequentially installed on the pallet conveying assembly (200), and the first blocking assembly (210) and the second blocking assembly (220) are spaced apart by the length of one pallet (300). The first blocking assembly (210) is used for blocking the pallet (300) to be folded, and the second blocking assembly (220) is used for blocking the pallet (300) to facilitate the pallet folding machine to fold the pallet (300).

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