Cache device

Abstract

The utility model provides a caching device which is used for caching a plurality of trays stacked in the vertical direction, the tray located at the bottommost end of the multiple trays is the tail tray, the caching device comprises a driving mechanism, the driving mechanism is provided with a bearing component, and the bearing component is used for bearing the multiple stacked trays; the bearing part is movably arranged in the vertical direction; the supporting mechanism is provided with two supporting parts, the two supporting parts are located on the two opposite sides of the multiple stacked trays, and each supporting part supports the portion, located above the tail tray and below the tray adjacent to the tail tray, of the tray, so that when all the stacked trays located above the tail tray are supported by the supporting mechanism, the supporting parts are located below the tray adjacent to the tail tray; the bearing component is moved downwards, so that the tail tray is placed on the conveying line; the temporary storage device solves the problem that in the prior art, when multiple trays are temporarily stored on a conveying line, the working efficiency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of production and processing, and in particular to a cache device. Background Art

[0002] Battery trays secure, protect, and transport batteries during processing. First, they secure the batteries in place, preventing them from shifting or tipping over during processing, ensuring accuracy and safety. Second, they protect the batteries from damage or collisions during processing, thus ensuring quality.

[0003] During battery processing, battery components or assemblies are typically placed on specialized pallets for subsequent processing and production operations. However, in existing technologies, pallet loading requires manual placement of multiple pallets onto a conveyor line. The conveyor line then delivers the pallets to the workstations, where other mechanisms then perform related operations until all pallets are completed.

[0004] With the above-mentioned pallet placement structure, when a large number of pallets need to be stored, multiple pallets need to be buffered on the conveyor line, resulting in a longer conveyor line, reduced work efficiency, and unreasonable resource utilization. Utility Model Content

[0005] The main purpose of the utility model is to provide a buffer device to solve the problem of reduced work efficiency when a conveyor line buffers multiple trays in the prior art.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a cache device is provided for caching multiple trays stacked in a vertical direction, wherein the tray located at the bottom of the multiple trays is the last tray, and the cache device includes: a driving mechanism, the driving mechanism having a bearing component, the bearing component being used to carry the multiple stacked trays; the bearing component is movably arranged in the vertical direction; a supporting mechanism, the supporting mechanism having two supporting components, the two supporting components being located on opposite sides of the multiple stacked trays, each supporting component being supported below a tray located above and adjacent to the last tray, so that when the supporting mechanism lifts all the stacked trays located above the last tray, the bearing component is moved down to place the last tray on a conveyor line; wherein the two supporting components are movably arranged in a direction approaching or moving away from each other, so that after the bearing component places the last tray on the conveyor line, the two supporting components are moved away from each other to separate from the multiple stacked trays after the bearing component is moved up to carry all the stacked trays, and after the bearing component is moved down a predetermined distance, the two supporting components are approached to support below a tray adjacent to a new last tray.

[0007] Further, the driving mechanism further comprises a first driving component, a transmission component, the first driving component being connected with the transmission component to drive the transmission component to move, the transmission component being in transmission connection with the bearing component to drive the bearing component to move along the vertical direction.

[0008] Further, the transmission component further comprises a transmission wheel and a transmission screw rod, the first driving component being in driving connection with the transmission wheel, the transmission wheel being in transmission connection with the transmission screw rod to drive the transmission screw rod to rotate when the transmission wheel rotates, wherein the transmission screw rod extends along the vertical direction, the transmission screw rod being in threaded connection with the bearing component to drive the bearing component to move along the vertical direction when the transmission screw rod rotates.

[0009] Further, the transmission component and the bearing component are both two, the two transmission components and the two bearing components being arranged in one-to-one correspondence, the two bearing components being located on opposite sides of the tray, wherein the first driving component comprises a driving motor, a driving wheel and a transmission belt, an output shaft of the driving motor being connected with the driving wheel, the transmission belt being sleeved on the driving wheel and the transmission wheels of the two transmission components.

[0010] Further, the buffer device further comprises a first fixing plate, top ends of the transmission screw rods being rotatably arranged on the first fixing plate, the driving wheel and the transmission wheels being rotatably mounted on the first fixing plate, a second fixing plate, bottom ends of the transmission screw rods being rotatably arranged on the second fixing plate, a guide rod, top and bottom ends of the guide rod being connected with the first fixing plate and the second fixing plate respectively, the guide rod being arranged in parallel with the transmission screw rods and penetrating through the bearing components.

[0011] Further, the second fixing plate is two, each of the second fixing plates being provided with a first limiting plate, the first limiting plates on the two second fixing plates being oppositely arranged to form a first limiting space for the conveying line to pass through.

[0012] Further, the bearing component comprises a bearing plate, the bearing plate being provided with a bearing step portion for bearing the tray, a transmission nut, the transmission nut being in threaded cooperation with the transmission screw rod, the transmission nut being mounted on the bearing plate.

[0013] Further, each of the support components further comprises a support plate, the support plate having a support step portion for supporting the tray, a second driving component, the second driving component being in driving connection with the support plate to drive the support plate to move close to or away from the tray to support or disengage the plurality of stacked trays located above the last tray.

[0014] Further, the support plate comprises an L-shaped plate spliced by a first plate body and a second plate body, the first plate body being parallel to the disc bodies of the trays, the second plate body being parallel to the stacking direction of the plurality of trays, the support step portion being arranged at a free end of the second plate body.

[0015] And / or the second driving component is a piston cylinder.

[0016] Further, the cache device further comprises two limiting assemblies, each of the limiting assemblies comprises a second limiting plate, and the second limiting plates of the two limiting assemblies are oppositely arranged to form a second limiting space for caching a plurality of stacked trays, and the second limiting space is located above the bearing component.

[0017] The technical scheme of the utility model is applied to the cache device for caching a plurality of trays stacked along the vertical direction, the tray at the bottom end of the plurality of trays is the last tray, the cache device comprises: a driving mechanism, the driving mechanism has a bearing component, the bearing component is used for bearing a plurality of stacked trays; the bearing component is movably arranged along the vertical direction; a supporting mechanism, the supporting mechanism has two supporting components, the two supporting components are located at opposite sides of the plurality of stacked trays, each of the supporting components is supported below a tray adjacent to the last tray and above the last tray, so that when the supporting mechanism supports all the stacked trays above the last tray, the last tray is placed on the conveying line by moving the bearing component downward; wherein the two supporting components are movably arranged along the direction of approaching or moving away from each other, so that after the bearing component places the last tray on the conveying line and the bearing component moves upward to bear all the stacked trays, the two supporting components move away from each other to separate from the plurality of stacked trays, and after the bearing component moves downward by a predetermined distance, the two supporting components approach each other to be supported below a tray adjacent to a new last tray. It can be seen that the utility model is provided with a driving mechanism and a supporting mechanism, which can effectively cache a plurality of trays stacked along the vertical direction, the bearing component is arranged in the driving mechanism and bears the last tray, the two supporting components are arranged in the supporting mechanism and are supported above the last tray and below a tray adjacent to the last tray, so as to support the plurality of stacked trays, when the tray in the cache component is needed, the bearing component bears the last tray and moves downward to place the last tray on the conveying line, then the bearing component moves upward to bear all the stacked trays, at this time, the two supporting components move away from each other to separate from the plurality of stacked trays, the bearing component moves downward by a predetermined distance again, and the two supporting components approach each other to be supported below a tray adjacent to a new last tray, so as to continue to support the stacked trays. The cache mechanism of the utility model can effectively cache a plurality of trays, when the tray is needed, the last tray can be efficiently placed on the conveying line, the working efficiency is improved, and the problem of reduced working efficiency when the conveying line caches a plurality of trays in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the utility model and are incorporated herein for explanation by referring to the embodiments thereof. In the drawings:

[0019] Figure 1 A schematic diagram of the overall structure of an embodiment of the cache mechanism according to the present utility model in one direction is shown;

[0020] Figure 2 A schematic diagram of the overall structure of an embodiment of the cache mechanism according to the present utility model in another direction is shown;

[0021] Figure 3 A structural schematic diagram of a support structure of an embodiment of a cache mechanism according to the present utility model is shown.

[0022] The above drawings include the following reference numerals:

[0023] 10. Tray; 20. End tray; 30. Carrying member; 40. Support member; 50. First driving member; 60. Transmission member; 70. First fixing plate; 80. Second fixing plate; 90. Guide rod; 100. Second limiting plate;

[0024] 310, bearing plate; 320, supporting step portion; 330, transmission nut;

[0025] 410, support plate; 420, support step portion; 430, second driving component;

[0026] 411, first plate; 412, second plate;

[0027] 510, driving motor; 520, driving wheel; 530, transmission belt;

[0028] 610, transmission wheel; 620, transmission screw;

[0029] 810. The first limit plate. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] like Figures 1 to 3As shown, the caching device of the present invention is used to cache multiple trays 10 stacked in a vertical direction, and the tray 10 located at the bottom of the multiple trays 10 is the last tray 20. The caching device includes: a driving mechanism, the driving mechanism has a bearing component 30, and the bearing component 30 is used to carry the multiple stacked trays 10; the bearing component 30 is movably arranged in the vertical direction; a supporting mechanism, the supporting mechanism has two supporting components 40, and the two supporting components 40 are located on opposite sides of the multiple stacked trays 10, and each supporting component 40 is supported under a tray 10 located above and adjacent to the last tray 20, so as to support When the mechanism lifts up all the stacked pallets 10 above the last pallet 20, the carrying component 30 is moved downward to place the last pallet 20 on the conveyor line; wherein, the two supporting components 40 are movably arranged in a direction of approaching or moving away from each other, so that after the carrying component 30 places the last pallet 20 on the conveyor line, the carrying component 30 is moved upward to carry all the stacked pallets 10, and the two supporting components 40 move away from each other to separate from the multiple stacked pallets 10, and after the carrying component 30 moves downward a predetermined distance, the two supporting components 40 approach each other to support under a pallet 10 adjacent to the new last pallet 20.

[0032] It can be seen that the utility model can effectively cache multiple trays 10 stacked in the vertical direction by providing a driving mechanism and a supporting mechanism, and a carrying component 30 is provided in the driving mechanism, and the carrying component 30 carries the last tray 20, and two supporting components 40 are provided in the supporting mechanism. The supporting component 40 is supported above the last tray 20 and below a tray 10 adjacent to the last tray 20 to support multiple stacked trays 10. When the tray 10 in the cache component needs to be used, the carrying component 30 carries the last tray 20 to move downward to place the last tray 20 on the conveyor line, and then the carrying component 30 is moved downward to place the last tray 20 on the conveyor line. The component 30 moves up to carry all the stacked pallets 10. At this time, the two supporting components 40 move away from each other to separate from the multiple stacked pallets 10. The carrying component 30 moves down a predetermined distance again, and the two supporting components 40 approach each other to support under a pallet 10 adjacent to the new last pallet 20 to continue supporting the stacked pallets 10. The caching mechanism of the present application can effectively cache multiple pallets 10. When a pallet 10 is needed, the last pallet 20 can be efficiently placed on the conveyor line, which improves work efficiency and solves the problem of reduced work efficiency when the conveyor line caches multiple pallets 10 in the prior art.

[0033] Specifically, when the tray 10 in the cache component needs to be used, the supporting component 30 carries the last tray 20 and moves downward to place the last tray 20 on the conveyor line. At this time, the initial position of the last tray 20 is the bottom tray 10 of the multiple stacked trays 10. Then the supporting component 30 moves up to carry all the stacked trays 10. At this time, the supporting component 30 carries the second tray 10 of the last tray 20 close to the initial position, and the two supporting components 40 move away from each other to separate from the multiple stacked trays 10. The supporting component 30 moves downward again by a predetermined distance, and the two supporting components 40 approach each other to support under a tray 10 adjacent to the new last tray 20. In this way, the supporting component 30 supports the tray 10 at the very end in turn, and the supporting component 40 supports the tray 10 at the second end in turn.

[0034] like Figure 1 As shown, the drive mechanism further includes: a first drive component 50 and a transmission component 60. The first drive component 50 is connected to the transmission component 60 to drive the transmission component 60 to move; the transmission component 60 is in transmission connection with the supporting component 30 to drive the supporting component 30 to move in the vertical direction. By providing the first drive component 50 and the transmission component 60, the supporting component 30 can be driven to move in the vertical direction more conveniently.

[0035] like Figure 2 As shown, the transmission component 60 also includes: a transmission wheel 610 and a transmission screw 620. The first driving component 50 is driven and connected to the transmission wheel 610, and the transmission wheel 610 is transmission-connected to the transmission screw 620 to drive the transmission screw 620 to rotate when the transmission wheel 610 rotates; wherein, the transmission screw 620 extends in the vertical direction, and the transmission screw 620 is threadedly connected to the supporting component 30 to drive the supporting component 30 to move in the vertical direction when the transmission screw 620 rotates.

[0036] Specifically, there are two transmission components 60 and two bearing components 30, and the two transmission components 60 are arranged in a one-to-one correspondence with the two bearing components 30; the two bearing components 30 are located on opposite sides of the tray 10; wherein, the first driving component 50 includes a driving motor 510, a driving wheel 520 and a transmission belt 530, the output shaft of the driving motor 510 is connected to the driving wheel 520, and the transmission belt 530 is mounted on the driving wheel 520 and the transmission wheels 610 of the two transmission components 60.

[0037] like Figure 2As shown, the buffer device further comprises: a first fixed plate 70, the top end of the transmission screw rod 620 is rotatably arranged on the first fixed plate 70, and the driving wheel 520 and the transmission wheel 610 are rotatably mounted on the first fixed plate 70; a second fixed plate 80, the bottom end of the transmission screw rod 620 is rotatably arranged on the second fixed plate 80; and a guide rod 90, the top end and the bottom end of the guide rod 90 are connected with the first fixed plate 70 and the second fixed plate 80 respectively, and the guide rod 90 is arranged in parallel with the transmission screw rod 620 and is arranged on the bearing component 30.

[0038] Specifically, the second fixed plate 80 is two, each second fixed plate 80 is provided with a first limiting plate 810, and the first limiting plates 810 on the two second fixed plates 80 are oppositely arranged to form a first limiting space for the conveying line to pass through.

[0039] As shown in Figure 1 and Figure 2 , the bearing component 30 comprises: a bearing plate 310, the bearing plate 310 is provided with a bearing step part 320 for supporting the tray 10; and a transmission nut 330, the transmission nut 330 is threadedly matched with the transmission screw rod 620, and the transmission nut 330 is mounted on the bearing plate 310.

[0040] Specifically, a plurality of positioning columns are arranged in the tray 10, when the bearing plate 310 bears the last tray 20, the positioning columns of the last tray 20 are arranged separately from the position of the bearing plate 310 and are away from the positioning columns, the height of the positioning columns is higher than that of the bearing plate 310, when the bearing plate 310 places the last tray 20 on the conveying belt, the plurality of positioning columns contact the conveying belt and are conveyed on the conveying belt.

[0041] As shown in Figure 3 , each support component 40 further comprises: a support plate 410, the support plate 410 has a support step part 420 for supporting the tray 10; and a second driving component 430, the second driving component 430 is drivingly connected with the support plate 410 to drive the support plate 410 to approach or be away from the tray 10, so as to support or disengage a plurality of stacked trays 10 located above the last tray 20.

[0042] Specifically, the support plate 410 comprises an L-shaped plate spliced by a first plate body 411 and a second plate body 412, the first plate body 411 is parallel to the disc body of each tray 10, the second plate body 412 is parallel to the stacking direction of the plurality of trays 10, and the support step part 420 is arranged at the free end of the second plate body 412.

[0043] Specifically, the second driving component 430 is a piston cylinder.

[0044] Specifically, the support component 40 further comprises a third fixed plate, the third fixed plate is installed on the guide rod 90, the cylinder body of the piston cylinder is installed on the third fixed plate, and the output end of the piston cylinder is installed on the support plate 410 to drive the support plate 410 to move.

[0045] As shown in Figure 1 The cache device further comprises two limiting assemblies, each limiting assembly comprises a second limiting plate 100, and the second limiting plates 100 of the two limiting assemblies are oppositely arranged to form a second limiting space for caching a plurality of stacked trays 10, and the second limiting space is located above the bearing component 30.

[0046] Specifically, the second limiting plate 100 is arranged on the guide rod 90, and the second limiting plate comprises a first plate segment and a second plate segment, and the first plate segment and the second plate segment form a T-shaped structure. Wherein, the first plate segment is parallel to the stacking direction of the plurality of trays 10, and the second plate segment is perpendicular to the stacking direction of the plurality of trays 10, two first plate segments are arranged on both sides of the plurality of stacked trays 10 to form a second limiting space, and the height direction of the tray 10 is limited, and two second plate segments are respectively installed on the guide rod 90 located on both sides of the plurality of trays 10.

[0047] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects:

[0048] As shown in Figures 1 to 3The utility model discloses a buffer device for buffering multiple trays 10 stacked along the vertical direction, the last tray 20 of the multiple trays 10 located at the bottom end, the buffer device comprises: a driving mechanism, the driving mechanism has a bearing component 30, and the bearing component 30 is used for bearing the multiple stacked trays 10; the bearing component 30 is movably arranged along the vertical direction; a support mechanism, the support mechanism has two support components 40, and the two support components 40 are located at opposite sides of the multiple stacked trays 10; each support component 40 is supported below a tray 10 adjacent to the last tray 20 above the last tray 20, so that when the support mechanism lifts all the stacked trays 10 above the last tray 20, the last tray 20 is placed on the conveying line by moving the bearing component 30 downward; wherein the two support components 40 are movably arranged in the direction of approaching or moving away from each other, so that after the bearing component 30 places the last tray 20 on the conveying line, the two support components 40 move away from each other to separate from the multiple stacked trays 10 after the bearing component 30 moves upward to bear all the stacked trays 10, and the two support components 40 approach each other to be supported below a tray 10 adjacent to a new last tray 20 after the bearing component 30 moves downward by a predetermined distance. In this way, the utility model can effectively buffer the multiple trays 10 stacked along the vertical direction by arranging the driving mechanism and the support mechanism, and the bearing component 30 is arranged in the driving mechanism, the bearing component 30 bears the last tray 20, the two support components 40 are arranged in the support mechanism, the support component 40 is supported above the last tray 20 and below a tray 10 adjacent to the last tray 20, to support the multiple stacked trays 10; when the tray 10 in the buffer component needs to be used, the bearing component 30 bears the last tray 20 and moves downward to place the last tray 20 on the conveying line, and then the bearing component 30 moves upward to bear all the stacked trays 10, at this time, the two support components 40 move away from each other to separate from the multiple stacked trays 10, the bearing component 30 moves downward by a predetermined distance again, and the two support components 40 approach each other to be supported below a tray 10 adjacent to a new last tray 20, to continue to support the stacked trays 10. The buffer mechanism of the application can effectively buffer the multiple trays 10, and when the tray 10 is needed, the last tray 20 can be efficiently placed on the conveying line, improving the work efficiency and solving the problem of reduced work efficiency when the conveying line buffers the multiple trays 10 in the prior art.

[0049] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0050] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0051] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0052] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0053] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0054] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A cache device, characterized in that: Used for caching a plurality of trays (10) stacked in a vertical direction, wherein the tray (10) located at the bottom of the plurality of trays (10) is a tail tray (20), and the caching device comprises: A driving mechanism, the driving mechanism having a bearing component (30), the bearing component (30) being used to bear a plurality of stacked trays (10); the bearing component (30) being movably arranged in a vertical direction; A support mechanism, wherein the support mechanism has two support components (40), the two support components (40) are located on opposite sides of a plurality of stacked trays (10), and each support component (40) is supported below a tray (10) located above and adjacent to the last tray (20), so that when the support mechanism lifts all stacked trays (10) located above the last tray (20), the last tray (20) is placed on the conveyor line by moving the bearing component (30) downward; The two supporting members (40) are movably arranged in a direction of approaching or moving away from each other, so that after the carrying member (30) places the last pallet (20) on the conveyor line, the two supporting members (40) move away from each other to separate from the plurality of stacked pallets (10) after the carrying member (30) moves upward to carry all the stacked pallets (10), and after the carrying member (30) moves downward a predetermined distance, the two supporting members (40) move closer to each other to support below a pallet (10) adjacent to the new last pallet (20).

2. The cache device according to claim 1, wherein: The driving mechanism further comprises: A first driving component (50), A transmission component (60), wherein the first driving component (50) is connected to the transmission component (60) to drive the transmission component (60) to move; and the transmission component (60) is transmission-connected to the bearing component (30) to drive the bearing component (30) to move in a vertical direction.

3. The cache device according to claim 2, wherein: The transmission component (60) further includes: A transmission wheel (610) and a transmission screw (620), wherein the first driving component (50) is drivingly connected to the transmission wheel (610), and the transmission wheel (610) is drivingly connected to the transmission screw (620), so as to drive the transmission screw (620) to rotate when the transmission wheel (610) rotates; The transmission screw (620) extends in a vertical direction, and the transmission screw (620) is threadedly connected to the bearing component (30) so as to drive the bearing component (30) to move in a vertical direction when the transmission screw (620) rotates.

4. The cache device according to claim 3, wherein: There are two transmission components (60) and two bearing components (30), and the two transmission components (60) are arranged in a one-to-one correspondence with the two bearing components (30); the two bearing components (30) are located on opposite sides of the tray (10); The first driving component (50) comprises a driving motor (510), a driving wheel (520) and a transmission belt (530); the output shaft of the driving motor (510) is connected to the driving wheel (520); and the transmission belt (530) is sleeved on the driving wheel (520) and the transmission wheels (610) of the two transmission components (60).

5. The cache device according to claim 4, wherein: The cache device further includes: a first fixed plate (70), the top end of the transmission screw (620) being rotatably disposed on the first fixed plate (70), and the driving wheel (520) and the transmission wheel (610) being rotatably mounted on the first fixed plate (70); a second fixed plate (80), the bottom end of the transmission screw (620) being rotatably disposed on the second fixed plate (80); A guide rod (90), wherein the top and bottom ends of the guide rod (90) are respectively connected to the first fixing plate (70) and the second fixing plate (80), and the guide rod (90) is arranged parallel to the transmission screw (620) and is passed through the bearing component (30).

6. The cache device according to claim 5, wherein: There are two second fixing plates (80), each of which is provided with a first limiting plate (810), and the first limiting plates (810) on the two second fixing plates (80) are arranged relative to each other to form a first limiting space for the conveyor line to pass through.

7. The cache device according to claim 3, wherein: The bearing component (30) comprises: a supporting plate (310), wherein the supporting plate (310) is provided with a supporting step portion (320) for supporting the tray (10); A transmission nut (330), the transmission nut (330) is threadably engaged with the transmission lead screw (620), and the transmission nut (330) is mounted on the bearing plate (310).

8. The cache device according to any one of claims 1 to 7, characterized in that: Each of the support components (40) further includes: a support plate (410), the support plate (410) having a support step portion (420) for supporting the tray (10); A second driving component (430) is connected to the support plate (410) for driving the support plate (410) to move closer to or away from the tray (10) so as to support or detach the plurality of stacked trays (10) located above the rear tray (20).

9. The cache device according to claim 8, wherein: The support plate (410) comprises an L-shaped plate formed by splicing a first plate body (411) and a second plate body (412), wherein the first plate body (411) is parallel to the plate body of each of the trays (10), and the second plate body (412) is parallel to the stacking direction of the plurality of trays (10), and the supporting step portion (420) is provided at the free end of the second plate body (412); and / or The second driving component (430) is a piston cylinder.

10. The cache device according to any one of claims 1 to 7, characterized in that: The cache device further includes: Two limiting assemblies, each of which includes a second limiting plate (100), the second limiting plates (100) of the two limiting assemblies are arranged relative to each other to form a second limiting space for caching a plurality of stacked trays (10), and the second limiting space is located above the bearing component (30).

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