Stack caching equipment capable of automatically storing and taking trays

Abstract

The utility model relates to the technical field of stacking and caching of materials, in particular to stacking and caching equipment capable of automatically storing and taking trays, which comprises a cabinet, a storage device and a storing and taking device, the storage device and the storing and taking device are mounted in the cabinet, the storage device is provided with a plurality of storage racks, the storage racks are matched with one another to form a plurality of caching positions, and the caching positions are arranged on the storage racks. The cache position is used for temporarily storing to-be-stored materials; the storing and taking device is provided with a displacement assembly, a telescopic assembly and a bearing plate, and the bearing plate is fixedly connected to the driving end of the telescopic assembly, so that the telescopic assembly drives the bearing plate to move towards the temporary storage position by a certain distance, and then the to-be-stored materials are stored and taken to the temporary storage position. And the telescopic assembly is fixedly connected to the driving end of the displacement assembly, so that the displacement assembly drives the telescopic assembly to move among different cache positions. In conclusion, the temporary storage equipment can automatically store and take the to-be-stored materials, the number of used conveying belts is reduced, the maintenance cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stacking and caching of materials, in particular to a stacking and caching device for automatically storing and retrieving trays. Background Art

[0002] In factory production, buffer equipment is often needed to temporarily store, transfer, and retrieve industrial parts waiting for storage during the production process. When storing and retrieving some small parts, trays are usually used to hold the parts, so that multiple parts can be operated.

[0003] For example, when ultrasonic cleaning equipment is cleaning the surface of industrial parts waiting for washing materials, a tray is usually used to hold the parts, and then the tray is operated by a buffer device. The tray can be operated for loading and the buffer device can be used to temporarily store or transfer the cleaned parts.

[0004] The existing cache equipment is usually a storage rack with a grid structure, which can be used to store more goods, and each grid is equipped with a conveyor belt for sending out goods, which is convenient for sending out goods. When picking up goods, first dock with the grid where the goods need to be picked up, and the conveyor belt in the grid can send the goods to the transfer machine, and then the conveyor belt on the transfer machine will transport the goods to other places. The above-mentioned cache equipment is prone to increase the cost of the storage rack due to the large number of conveyor belts used. At the same time, the use of more conveyor belts during use is also prone to malfunctions, requiring too much manpower and material resources for regular maintenance, which is not conducive to factory cost control. Utility Model Content

[0005] The utility model aims to overcome the above-mentioned shortcomings and provide a technical solution that can solve the above-mentioned problems.

[0006] The utility model provides a stacking cache device for automatic storage and retrieval trays, comprising a cabinet, and a storage device and a storage and retrieval device installed in the cabinet, wherein the storage device is provided with a plurality of storage racks, and the plurality of storage racks cooperate with each other to form a plurality of cache positions, and the cache positions are used to temporarily store materials to be stored; the storage and retrieval device is provided with a displacement component, a telescopic component and a supporting plate, and the supporting plate is fixedly connected to the driving end of the telescopic component, so that the telescopic component drives the supporting plate to move a certain distance toward the cache position, and then the materials to be stored are accessed to the cache position; the telescopic component is fixedly connected to the driving end of the displacement component, so that the displacement component drives the telescopic component to move between different cache positions.

[0007] As a further solution of the present utility model: the displacement assembly is provided with a transverse movement mechanism and a vertical movement mechanism, the telescopic assembly is fixedly connected to the driving end of the vertical movement mechanism, so that the vertical movement mechanism drives the telescopic assembly to move up and down in the vertical direction, thereby allowing the support plate to access cache locations at different heights; the vertical movement mechanism is fixedly connected to the driving end of the transverse movement mechanism, so that the transverse movement mechanism drives the vertical movement mechanism to move back and forth in the horizontal direction, thereby allowing the support plate to access the cache locations between different storage racks.

[0008] As a further solution of the utility model: the telescopic assembly is provided with a telescopic base plate and a telescopic power unit, the telescopic base plate is fixedly connected to the driving end of the vertical movement mechanism, the telescopic power unit is fixedly connected to the telescopic base plate, the supporting plate is slidably connected to the telescopic base plate, and forms a transmission connection with the telescopic power unit, so that the telescopic power unit can drive the supporting plate to move to the two ends of the telescopic base plate respectively.

[0009] As a further solution of the utility model: the telescopic assembly is also provided with a telescopic transition plate, which is slidably connected to the telescopic bottom plate and forms a transmission connection with the telescopic power part; the supporting plate is slidably connected to the telescopic transition plate and forms a transmission connection with the telescopic transition plate, so that the telescopic transition plate can drive the supporting plate to move to the two ends of the telescopic transition plate respectively.

[0010] As a further solution of the utility model: the telescopic transition plate is provided with a first rack, the first rack is fixedly connected to the telescopic transition plate, the telescopic power unit is provided with a first gear, the first gear is transmission-connected to the driving end of the telescopic power unit, and forms a meshing connection with the first rack, so that the telescopic power unit drives the telescopic transition plate to move.

[0011] As a further solution of the utility model: the telescopic assembly is also provided with a first synchronous belt and a first pulley, one end of the first synchronous belt is fixedly connected to the telescopic base plate, and the other end thereof is fixedly connected to the support plate, the first pulley is rotatably connected to the telescopic transition plate, and the first synchronous belt is sleeved on the first pulley, so that the telescopic transition plate can drive the support plate to move synchronously through the cooperation of the first pulley and the first synchronous belt.

[0012] As a further solution of the utility model: the telescopic assembly is also provided with a second synchronous belt and a second pulley, one end of the second synchronous belt is fixedly connected to the telescopic base plate, and the other end thereof is fixedly connected to the support plate, the second pulley is rotatably connected to the telescopic transition plate, and the second synchronous belt is sleeved on the second pulley, so that the telescopic transition plate can drive the support plate to move synchronously through the cooperation of the second pulley and the second synchronous belt.

[0013] As a further solution of the utility model: the transverse movement mechanism is provided with a first motor, a first guide rail and a first slider, the first guide rail and the first motor are respectively fixed to the cabinet, the first slider and the first guide rail cooperate with each other to form a sliding connection; the vertical movement mechanism is fixed to the first slider, so that the first motor is operated to drive the first slider and the vertical movement mechanism thereon to move synchronously along the first guide rail.

[0014] As a further solution of the utility model: the vertical movement mechanism is provided with a second motor, a second guide rail and a second slider, the second guide rail and the second motor are respectively fixed to the vertical movement mechanism, the second slider and the second guide rail cooperate with each other to form a sliding connection; the telescopic assembly is fixed to the second slider, so that the second motor is operated to drive the second slider and the telescopic assembly thereon to move synchronously along the second guide rail.

[0015] As a further solution of the utility model: the vertical movement mechanism is provided with a first vertical movement group and a second vertical movement group respectively fixed to the first slider, the telescopic assembly is provided with a first telescopic group and a second telescopic group, the first telescopic group is fixed to the driving end of the first vertical movement group, and the second telescopic group is fixed to the driving end of the second vertical movement group.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. By setting up telescopic components and supporting plates, the conveyor belt of the cache position is eliminated. Instead, the telescopic components can be used to directly extend into the cache position to store and retrieve materials to be stored, thereby reducing the use of conveyor belts, saving production costs, and reducing maintenance costs.

[0018] 2. The telescopic assembly is also configured to be a telescopic bottom plate, a telescopic transition plate and a supporting plate that cooperate with each other and transmit in sequence, thereby saving transmission components and providing stability of the telescopic assembly during telescopic movement.

[0019] 3. The power of the telescopic power unit can be stably and accurately transmitted to the telescopic transition plate through the cooperation of the first rack and the first gear. At the same time, the coordinated transmission of the synchronous belt and the pulley is utilized so that the moving telescopic transition plate can also drive the supporting plate to be synchronously extended and retracted, thereby further optimizing the power transmission method inside the telescopic component and further improving the stability of movement.

[0020] Therefore, through the above-mentioned improvements, the utility model can provide a stacking and caching device for automatic storage and retrieval of pallets, which can automatically perform storage and retrieval operations on materials to be stored, and reduce the use of conveyor belts, reduce maintenance costs, and improve production efficiency.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 It is a structural schematic diagram of the cabinet of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the storage device of the utility model;

[0025] Figure 3 yes Figure 2 A local enlarged schematic diagram of the middle A;

[0026] Figure 4 It is a structural schematic diagram of the access device of the utility model;

[0027] Figure 5 It is a structural schematic diagram of the telescopic mechanism of the utility model;

[0028] Figure 6 It is a structural schematic diagram of the telescopic power unit of the utility model;

[0029] Figure 7 It is a schematic diagram of the structure in which the synchronous belt and the pulley cooperate with each other in the utility model;

[0030] Figure 8 It is a structural schematic diagram of the first rack of the utility model;

[0031] Fig. 9 yes Figure 8 A partial enlarged schematic diagram of point B in the middle;

[0032] Fig.10 It is a structural schematic diagram of the telescopic assembly of the utility model in a separated state.

[0033] The reference numerals and names in the figures are as follows:

[0034] 10 cabinet; 11 tray; 20 storage device; 21 storage rack; 22 cache position; 23 proximity switch; 24 photoelectric sensor; 30 access device; 31 support plate; 40 displacement assembly; 41 transverse movement mechanism; 42 first motor; 43 first guide rail; 44 first slider; 50 vertical movement mechanism; 51 second motor; 52 second guide rail; 53 second slider; 54 first vertical movement group; 55 second vertical movement group; 60 telescopic assembly; 61 first telescopic group; 62 second telescopic group; 63 access end; 64 entry and exit end; 65 first synchronous belt; 66 second synchronous belt; 67 first pulley; 68 second pulley; 71 telescopic bottom plate; 72 telescopic transition plate; 73 first rack; 74 telescopic power unit; 75 first gear; 76 telescopic motor. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. 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.

[0036] See also Figures 1 to 10 In an embodiment of the utility model, a stacking and caching device for automatically storing and retrieving trays includes a cabinet 10, and a storage device 20 and a storage and retrieval device 30 installed in the cabinet 10, wherein the storage device 20 is provided with a plurality of storage racks 21, and the plurality of storage racks 21 cooperate with each other to form a plurality of cache positions 22, and the cache positions 22 are used to temporarily store materials to be stored; the storage and retrieval device 30 is provided with a displacement component 40, a telescopic component 60 and a supporting plate 31, and the supporting plate 31 is fixedly connected to the driving end of the telescopic component 60, so that the telescopic component 60 drives the supporting plate 31 to move a certain distance toward the cache position 22, and then accesses the materials to be stored to the cache position 22; the telescopic component 60 is fixedly connected to the driving end of the displacement component 40, so that the displacement component 40 drives the telescopic component 60 to move between different cache positions 22.

[0037] Specifically, by eliminating the conveyor belt of the buffer position 22, production costs are saved and maintenance costs are reduced. In particular, the buffer position 22 is fixed on the storage rack 21, so that it can be used for a long time without failure. Figure 3 As shown, a proximity switch 23 can also be set at the cache position 22, so that after the tray 11 containing the materials to be stored is placed in the cache position 22, the proximity switch 23 can sense the tray 11, so that the corresponding switch signal can be fed back to the control device (not shown in the figure), so that the control device can control the cache position 22 where the tray 11 is placed, and in subsequent operations, control the access device 30 to store the tray 11 in other cache positions 22.

[0038] Secondly, in order to hold the tray 11, it is preferred that a holder for the cache position 22 is provided between two storage racks 21 arranged in pairs facing each other, and multiple holders can be evenly provided between the two storage racks 21, so as to form multiple cache positions 22. A photoelectric sensor 24 can also be provided between the two storage racks 21, so as to sense which row of cache positions 22 the telescopic assembly 60 has entered. Figure 1 and Figure 2 As shown, five groups of storage racks 21 can be used to form four columns of cache locations 22, thereby forming a stacked storage device 20, further improving the storage and access capacity of the materials to be stored or the trays 11.

[0039] Again, the displacement assembly 40 can drive the telescopic assembly 60 to move between the multiple groups of storage racks 21, thereby accessing the materials to be stored in different columns of cache positions 22, and can also access different cache positions 22 in the same column. Preferably, when storing the trays 11, access can be performed according to a certain rule, such as accessing from top to bottom or from bottom to top.

[0040] like Figure 1 and Figure 4 As shown, preferably, the displacement assembly 40 is provided with a transverse movement mechanism 41 and a vertical movement mechanism 50, and the telescopic assembly 60 is fixedly connected to the driving end of the vertical movement mechanism 50, so that the vertical movement mechanism 50 drives the telescopic assembly 60 to move up and down in the vertical direction, thereby allowing the support plate 31 to access the cache positions 22 at different heights; the vertical movement mechanism 50 is fixedly connected to the driving end of the transverse movement mechanism 41, so that the transverse movement mechanism 41 drives the vertical movement mechanism 50 to move back and forth in the horizontal direction, thereby allowing the support plate 31 to access the cache positions 22 between different storage racks 21.

[0041] Specifically, the transverse movement mechanism 41 can move the vertical movement mechanism 50 and the telescopic assembly 60 thereon in the horizontal direction, so that the telescopic assembly 60 can be moved between several groups of storage racks 21, thereby performing access operations on the cache locations 22 in different groups. The vertical movement mechanism 50 can drive the telescopic assembly 60 to move in the vertical direction, thereby performing access operations on the cache locations 22 at different heights.

[0042] like Figure 5 and Figure 6 As shown, preferably, the telescopic assembly 60 is provided with a telescopic base plate 71 and a telescopic power unit 74, the telescopic base plate 71 is fixedly connected to the driving end of the vertical movement mechanism 50, the telescopic power unit 74 is fixedly connected to the telescopic base plate 71, the supporting plate 31 is slidably connected to the telescopic base plate 71, and forms a transmission connection with the telescopic power unit 74, so that the telescopic power unit 74 can drive the supporting plate 31 to move to the two ends of the telescopic base plate 71 respectively.

[0043] Specifically, the support plate 31 can move along the telescopic bottom plate 71 and can move toward both ends thereof. For example, when moving toward one end thereof, the material to be stored transmitted from the previous station can be received, and when moving toward the other end thereof, the received material to be stored can be stored in the cache position 22. For a relatively short tray 11, its cache position 22 is also relatively shallow, and the distance that the telescopic assembly 60 needs to be telescoped inward is also relatively short. Therefore, the support plate 31 can be directly set on the telescopic bottom plate 71 and form a sliding connection with the telescopic bottom plate 71. Then, the power provided by the telescopic power unit 74 can be used to make the support plate 31 move along both ends of the telescopic bottom plate 71 and extend a certain distance, so that the tray 11 can be stored in the cache position 22.

[0044] like Figure 6 and Figure 7 As shown, preferably, the telescopic component 60 is also provided with a telescopic transition plate 72, and the telescopic transition plate 72 is slidably connected to the telescopic bottom plate 71 and forms a transmission connection with the telescopic power part 74; the supporting plate 31 is slidably connected to the telescopic transition plate 72 and forms a transmission connection with the telescopic transition plate 72, so that the telescopic transition plate 72 can drive the supporting plate 31 to move to the two ends of the telescopic transition plate 72 respectively.

[0045] Specifically, when the length of the tray 11 is relatively long, its cache position 22 is also relatively deep, and the support plate 31 is not enough to store the tray 11 in a suitable position of the cache position 22. Therefore, a telescopic transition plate 72 can be added between the support plate 31 and the telescopic bottom plate 71. The support plate 31 can be extended by the telescopic transition plate 72 so that it can extend outward a longer distance, thereby correctly placing the long tray 11 into a deeper position of the cache position 22.

[0046] In addition, in order to make the sliding smoother and more stable, double-row cross roller guides in the prior art can be set between the telescopic bottom plate 71 and the telescopic transition plate 72, and between the telescopic transition plate 72 and the supporting plate 31, so that the movement of the corresponding components can be smoother and the vibration of the stored materials can be reduced.

[0047] like Figure 7 and Figure 8 As shown, preferably, the telescopic transition plate 72 is provided with a first rack 73, the first rack 73 is fixedly connected to the telescopic transition plate 72, the telescopic power part 74 is provided with a first gear 75, the first gear 75 is transmission-connected to the driving end of the telescopic power part 74, and forms a meshing connection with the first rack 73, so that the telescopic power part 74 drives the telescopic transition plate 72 to move.

[0048] Specifically, the telescopic power unit 74 can be provided with a telescopic motor 76 and a reducer in the prior art, and form a transmission connection with the first gear 75 through a power transmission structure such as a belt or a gear, so as to transmit the operating power to the first gear 75, so that the first gear 75 can drive the first rack 73 meshing with it to move, thereby causing the telescopic transition plate 72 to move synchronously. Fig.10 As shown, in order to better drive the telescopic transition plate 72, two first gears 75 can be provided, and the two first gears 75 can be rotated synchronously through meshing transmission of the same gear of the telescopic power unit 74. It can be understood that the driving end of the telescopic power unit 74 can rotate forward or reverse under the control of the control device, thereby driving the telescopic transition plate 72 to move to both ends respectively, so that the pallet 11 can be accessed from the cache position 22, and the pallet 11 can also be received and entered at the previous station, or transported and taken out at the next station.

[0049] like Figures 7 to 10 As shown, preferably, one end of the telescopic component 60 facing the storage device 20 is set as a storage and access end 63, and the other end thereof is set as an entry and exit end 64. The telescopic component 60 is also provided with a first synchronous belt 65 and a first pulley 67. One end of the first synchronous belt 65 is fixedly connected to the storage and access end 63 of the telescopic bottom plate 71, and the other end thereof is fixedly connected to the storage and access end 63 of the support plate 31. The first pulley 67 is rotatably connected to the entry and exit end 64 of the telescopic transition plate 72. The first synchronous belt 65 is sleeved on the first pulley 67, so that the telescopic transition plate 72 moving toward the entry and exit end 64 can drive the support plate 31 to move synchronously toward the entry and exit end 64 through the cooperation of the first pulley 67 and the first synchronous belt 65. The telescopic assembly 60 is also provided with a second synchronous belt 66 and a second pulley 68, one end of the second synchronous belt 66 is fixedly connected to the inlet and outlet end 64 of the telescopic bottom plate 71, and the other end thereof is fixedly connected to the inlet and outlet end 64 of the support plate 31, the second pulley 68 is rotatably connected to the storage and access end 63 of the telescopic transition plate 72, and the second synchronous belt 66 is sleeved on the second pulley 68, so that the telescopic transition plate 72 moving toward the storage and access end 63 can drive the support plate 31 to move synchronously toward the storage and access end 63 through the cooperation of the second pulley 68 and the second synchronous belt 66.

[0050] Specifically, the access end 63 of the telescopic assembly 60 refers to the end of the telescopic assembly 60 that moves the tray 11 to the cache position 22, and this end is mainly used to access the tray 11 to the cache position 22, or to take the tray 11 out of the cache position 22. The in-out end 64 refers to the end of the telescopic assembly 60 that moves the tray 11 to the external station, and this end is mainly used to receive the tray 11 from the previous station, or to move the tray 11 to the next station.

[0051] Secondly, in order to improve the smoothness and accuracy of the telescopic assembly 60 when moving the tray 11, it is preferred to use a synchronous belt and a pulley to form a transmission connection for the movement of the support plate 31. After the telescopic power unit 74 transmits power to the telescopic transition plate 72 through the meshing connection between the first gear 75 and the first rack 73, the telescopic transition plate 72 can be driven to move to both ends. When the telescopic transition plate 72 moves toward the entry and exit end 64, the first pulley 67 installed on the telescopic transition plate 72 can drive the first synchronous belt 65 to move synchronously toward the entry and exit end 64, but one end of the first synchronous belt 65 is fixed to the telescopic bottom plate 71, so the other end can only move under the drive of the first pulley 67, thereby driving the support plate 31 fixed thereon at the other end to move synchronously.

[0052] Similarly, when the telescopic transition plate 72 moves toward the access end 63, the second pulley 68 installed on the telescopic transition plate 72 can drive the second synchronous belt 66 to move synchronously toward the access end 63, but one end of the second synchronous belt 66 is fixed to the telescopic bottom plate 71, so only the other end can move under the drive of the second pulley 68, thereby driving the support plate 31 fixed thereon at the other end to move synchronously.

[0053] like Figure 4 As shown, preferably, the transverse movement mechanism 41 is provided with a first motor 42, a first guide rail 43 and a first slider 44, the first guide rail 43 and the first motor 42 are respectively fixed to the cabinet 10, and the first slider 44 and the first guide rail 43 cooperate with each other to form a sliding connection; the vertical movement mechanism 50 is fixed to the first slider 44, so that the first motor 42 is operated, driving the first slider 44 and the vertical movement mechanism 50 thereon to move synchronously along the first guide rail 43.

[0054] Specifically, the first guide rail 43 and the first slider 44 can adopt linear sliding products in the prior art, and preferably adopt linear sliding products with a certain load-bearing capacity, so that the vertical movement mechanism 50 and the telescopic component 60 can be installed on the first slider 44, and the corresponding linear sliding can be performed smoothly and stably.

[0055] like Figure 5 As shown, preferably, the vertical movement mechanism 50 is provided with a second motor 51, a second guide rail 52 and a second slider 53, the second guide rail 52 and the second motor 51 are respectively fixed to the vertical movement mechanism 50, and the second slider 53 and the second guide rail 52 cooperate with each other to form a sliding connection; the telescopic assembly 60 is fixed to the second slider 53, so that the second motor 51 is operated, driving the second slider 53 and the telescopic assembly 60 thereon to move synchronously along the second guide rail 52.

[0056] Specifically, similarly, the second guide rail 52 and the second slider 53 may also adopt linear sliding products in the prior art, preferably products with lateral load-bearing properties, so that the telescopic component 60 can move up and down thereon stably and smoothly.

[0057] like Figure 1 and Figure 4 As shown, preferably, the vertical movement mechanism 50 is provided with a first vertical movement group 54 and a second vertical movement group 55 respectively fixed to the first slider 44, and the telescopic assembly 60 is provided with a first telescopic group 61 and a second telescopic group 62, the first telescopic group 61 is fixed to the driving end of the first vertical movement group 54, and the second telescopic group 62 is fixed to the driving end of the second vertical movement group 55, so that the vertical movement mechanism 50 can perform access operations on two cache positions 22 at the same time.

[0058] Specifically, in order to improve adaptability and production efficiency, two sets of vertical movement mechanisms 50 can be set on the horizontal movement mechanism 41, and two sets of telescopic components 60 can also be set, which are respectively installed on the two sets of vertical movement mechanisms 50, so that the cache device can perform double-station tray 11 access operations. It can match the external double-station production line and perform corresponding docking, so that it can improve the access efficiency of the materials to be stored.

[0059] In addition, preferably, the cache device can also be moved. When the internal cache position 22 is full, a corresponding prompt signal can be issued so that the worker can move it to another corresponding workstation for the next processing operation.

[0060] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A stacking and caching device for automatically storing and accessing trays, characterized in that: The invention comprises a cabinet (10), a storage device (20) and a storage and access device (30) installed in the cabinet (10); the storage device (20) is provided with a plurality of storage racks (21); the plurality of storage racks (21) cooperate with each other to form a plurality of cache positions (22); the cache positions (22) are used to temporarily store materials to be stored; the storage and access device (30) is provided with a displacement assembly (40), a telescopic assembly (60) and a supporting plate (31); the supporting plate (31) is fixedly connected to a driving end of the telescopic assembly (60), so that the telescopic assembly (60) drives the supporting plate (31) to move a certain distance toward the cache position (22), thereby accessing the materials to be stored to the cache position (22); the telescopic assembly (60) is fixedly connected to the driving end of the displacement assembly (40), so that the displacement assembly (40) drives the telescopic assembly (60) to move between different cache positions (22).

2. The stacking and caching device for automatically storing and accessing trays according to claim 1, characterized in that: The displacement assembly (40) is provided with a transverse movement mechanism (41) and a vertical movement mechanism (50); the telescopic assembly (60) is fixedly connected to the driving end of the vertical movement mechanism (50), so that the vertical movement mechanism (50) drives the telescopic assembly (60) to move up and down in the vertical direction, thereby enabling the support plate (31) to access cache locations (22) at different heights; the vertical movement mechanism (50) is fixedly connected to the driving end of the transverse movement mechanism (41), so that the transverse movement mechanism (41) drives the vertical movement mechanism (50) to move back and forth in the horizontal direction, thereby enabling the support plate (31) to access cache locations (22) between different storage racks (21).

3. The stacking and caching device for automatically storing and accessing trays according to claim 2, characterized in that: The telescopic assembly (60) is provided with a telescopic bottom plate (71) and a telescopic power unit (74); the telescopic bottom plate (71) is fixedly connected to the driving end of the vertical movement mechanism (50); the telescopic power unit (74) is fixedly connected to the telescopic bottom plate (71); the supporting plate (31) is slidably connected to the telescopic bottom plate (71) and forms a transmission connection with the telescopic power unit (74), so that the telescopic power unit (74) can drive the supporting plate (31) to move toward the two ends of the telescopic bottom plate (71) respectively.

4. The stacking and caching device for automatically storing and accessing trays according to claim 3, characterized in that: The telescopic assembly (60) is further provided with a telescopic transition plate (72), wherein the telescopic transition plate (72) is slidably connected to the telescopic bottom plate (71) and forms a transmission connection with the telescopic power unit (74); the supporting plate (31) is slidably connected to the telescopic transition plate (72) and forms a transmission connection with the telescopic transition plate (72), so that the telescopic transition plate (72) can drive the supporting plate (31) to move toward the two ends of the telescopic transition plate (72) respectively.

5. The stacking and caching device for automatically storing and accessing trays according to claim 4, characterized in that: The telescopic transition plate (72) is provided with a first rack (73), the first rack (73) is fixedly connected to the telescopic transition plate (72), the telescopic power unit (74) is provided with a first gear (75), the first gear (75) is transmission-connected to a driving end of the telescopic power unit (74), and is meshedly connected with the first rack (73), so that the telescopic power unit (74) drives the telescopic transition plate (72) to move.

6. The stacking and caching device for automatically storing and accessing trays according to claim 4, characterized in that: The telescopic assembly (60) is further provided with a first synchronous belt (65) and a first pulley (67); one end of the first synchronous belt (65) is fixedly connected to the telescopic bottom plate (71), and the other end thereof is fixedly connected to the supporting plate (31); the first pulley (67) is rotatably connected to the telescopic transition plate (72); the first synchronous belt (65) is sleeved on the first pulley (67), so that the telescopic transition plate (72) can drive the supporting plate (31) to move synchronously through the cooperation between the first pulley (67) and the first synchronous belt (65).

7. The stacking and caching device for automatically storing and accessing trays according to claim 6, characterized in that: The telescopic assembly (60) is further provided with a second synchronous belt (66) and a second pulley (68); one end of the second synchronous belt (66) is fixedly connected to the telescopic bottom plate (71), and the other end thereof is fixedly connected to the supporting plate (31); the second pulley (68) is rotatably connected to the telescopic transition plate (72); the second synchronous belt (66) is sleeved on the second pulley (68), so that the telescopic transition plate (72) can drive the supporting plate (31) to move synchronously through the cooperation between the second pulley (68) and the second synchronous belt (66).

8. The stacking and caching device for automatically storing and accessing trays according to claim 2, characterized in that: The transverse movement mechanism (41) is provided with a first motor (42), a first guide rail (43) and a first slider (44); the first guide rail (43) and the first motor (42) are respectively fixed to the cabinet (10); the first slider (44) and the first guide rail (43) cooperate with each other to form a sliding connection; the vertical movement mechanism (50) is fixed to the first slider (44), so that the first motor (42) is operated, driving the first slider (44) and the vertical movement mechanism (50) thereon to move synchronously along the first guide rail (43).

9. The stacking and caching device for automatically storing and accessing trays according to claim 2, characterized in that: The vertical movement mechanism (50) is provided with a second motor (51), a second guide rail (52) and a second slider (53); the second guide rail (52) and the second motor (51) are respectively fixed to the vertical movement mechanism (50); the second slider (53) and the second guide rail (52) cooperate with each other to form a sliding connection; the telescopic assembly (60) is fixed to the second slider (53), so that the second motor (51) is operated to drive the second slider (53) and the telescopic assembly (60) thereon to move synchronously along the second guide rail (52).

10. The stacking and caching device for automatically storing and accessing trays according to claim 8, characterized in that: The vertical movement mechanism (50) is provided with a first vertical movement group (54) and a second vertical movement group (55) respectively fixed to the first slider (44); the telescopic assembly (60) is provided with a first telescopic group (61) and a second telescopic group (62); the first telescopic group (61) is fixed to the driving end of the first vertical movement group (54); and the second telescopic group (62) is fixed to the driving end of the second vertical movement group (55).

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