Vending machine

Abstract

The vending machine comprises a shell fixedly arranged on a support, a shielding door detachably installed on the shell, a shielding plate fixedly arranged on the inner wall of the shell, and a transfer space, a goods taking space, a display space and a goods preparation space which are divided by the shielding plate and formed in the shell. The transfer mechanism is arranged between the display space and the goods taking space, so that the goods can enter the goods taking space along a set path, and the goods and equipment cannot be damaged after the goods on the upper layer fall off; through the cooperation of the guide plate and the turnover plate, the transfer path of the commodities is controllable, the commodities cannot block the equipment, the turnover plate is rapid in resetting process, the transfer mechanism cannot greatly influence the goods taking time of the equipment, and continuous use of the vending machine is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the vending machine technical field, specifically to the vending machine. BACKGROUND

[0002] The goods of the existing vending machine usually rely on its own gravity to directly drop from the display layer to the taking opening. This "free fall" transfer mode, on the one hand, is easy to cause the package to be damaged and the internal goods to be damaged (such as snack fragmentation, beverage bottle deformation and liquid leakage, etc.) due to the too large impact force when the upper layer goods drop, on the other hand, the dropped goods may impact the components of the taking opening, which is easy to cause equipment failure, increase operation and maintenance cost and downtime for repair. SUMMARY

[0003] In order to solve the above problems existing in the prior art, the present application aims to provide a vending machine.

[0004] The technical scheme adopted by the present application is as follows: The vending machine comprises an outer shell fixedly arranged on a support, a shielding door detachably mounted on the outer shell, a shielding plate fixedly arranged on the inner wall of the outer shell, a transfer space, a taking space, a display space and a standby space formed in the inner part of the outer shell by the shielding plate; The transfer space and the taking space are located on the same side of the shielding plate, and a transfer mechanism is slidably arranged in the transfer space; the display space and the standby space are located on the other side of the shielding plate, and a plurality of propulsion units are detachably mounted on a support fixedly connected with the inner wall of the outer shell in the display space; The propulsion unit comprises a sliding bracket in sliding connection with the support, a plurality of propulsion springs spaced by a partition plate and mounted in the sliding bracket, and a plurality of drive motors mounted at one end of the sliding bracket and corresponding to the plurality of propulsion springs for driving the propulsion springs to rotate; the propulsion unit is used for pushing the displayed goods to move and make the target goods drop; The transfer mechanism comprises a supporting plate in sliding connection with the inner wall of the outer shell, a folding plate hinged to the supporting plate, and a shielding plate fixedly arranged on the inner wall of one side of the outer shell and used for controlling the folding plate to change state; the transfer mechanism is used for carrying the dropped target goods to smoothly transfer the target goods from the display space to the taking space.

[0005] As a preferred embodiment of the present application, one side of the outer shell has an opening, one side of the shielding door is hinged to the outer shell, and the shielding door is used for shielding the opening of the outer shell; the shielding door is further provided with a rotary handle, a visible area, a taking opening and an operation panel, one side of the taking opening is provided with a taking blocking plate hinged to the shielding door, and the taking blocking plate corresponds to the taking space.

[0006] As the preferred embodiment of the present application, the side of the support is fixedly provided with a plurality of slide rails I, each of which is fixedly provided with a spring piece, the side of the sliding support is fixedly provided with a sliding groove, the sliding groove is fixedly provided with a limiting groove, the sliding groove is in sliding cooperation with the slide rail I, and the limiting groove is in locking cooperation with the spring piece.

[0007] As the preferred embodiment of the present application, the end of the sliding support close to the driving motor is detachably provided with a plurality of mounting plates, the plurality of mounting plates correspond to the plurality of driving motors one by one, the plurality of driving motors are detachably mounted on the plurality of mounting plates respectively, the output shaft of the driving motor is in rotary connection with the mounting plate penetrating through the mounting plate, the output shaft of the driving motor is fixedly provided with a mounting disc, and the mounting disc is fixedly connected with the corresponding push spring through the buckle fixedly arranged on the end face thereof.

[0008] As the preferred embodiment of the present application, the guide plate is arranged between the display space and the shielding door, one end of the guide plate away from the transfer space is hingedly connected with the inner wall of one side of the shell through a torsion spring I, one end of the guide plate close to the transfer space is provided with a folding strip, the folding strip is located in the transfer space, the plurality of guide plates correspond to the plurality of push units one by one, and the guide plate guides the target goods falling into the transfer mechanism.

[0009] As the preferred embodiment of the present application, the control motor fixedly connected with the inner wall of one side of the shell is arranged in the transfer space, a threaded rod is fixedly arranged on the output shaft of the control motor, one end of the threaded rod away from the control motor is in rotary connection with the inner wall of one side of the shell, and the threaded rod penetrates through the supporting plate and is in threaded cooperation with the supporting plate.

[0010] As the preferred embodiment of the present application, the supporting plate is fixedly provided with a vertical plate at one end close to the control motor, the folding plate is located at one side of the vertical plate close to the shielding door, the folding plate and the supporting plate are hingedly connected through a torsion spring II, a limiting piece is arranged at the hinged position of the folding plate and the supporting plate, and the limiting piece is used for limiting the folding range of the folding plate.

[0011] As the preferred embodiment of the present application, a fixing block is fixedly arranged at one end of the supporting plate away from the vertical plate, a sliding piece is connected with the fixing block through a damping spring at one side of the fixing block close to the folding plate, a slide rail II fixedly connected with the supporting plate is arranged on the side of the fixing block, the sliding piece is in sliding connection with the slide rail II, a wedge-shaped part is arranged on the side of the sliding piece, and the wedge-shaped part cooperates with the shielding plate.

[0012] As a preferred embodiment of the present invention, the transfer mechanism slides along the axial direction of the threaded rod, passing through multiple propulsion units and multiple guide plates in sequence. When passing through the corresponding guide plate, the folding plate tilts the guide plate to make the target product slide. After the transfer mechanism collects all the products dropped by the propulsion units in sequence, the shielding plate controls the rotation of the folding plate to allow the products to enter the picking space.

[0013] As a preferred embodiment of the present invention, the shielding plate is L-shaped, and the shielding plate has a vertical part and a horizontal extension part. The vertical part of the shielding plate is used to separate the transfer space and the display space, and the horizontal extension part of the shielding plate is used to separate the picking space and the preparation space; the picking space is an anti-theft space formed by the inner wall of the outer shell, the shielding plate, the picking baffle and the horizontal extension part of the shielding plate.

[0014] The beneficial effects of the present invention are as follows: as an automatic vending machine, the present invention is provided with a transfer mechanism between the display space and the pickup space, so that the goods can enter the pickup space along a set path, and will not cause damage to the goods themselves and the equipment after the upper goods fall; the cooperation of the guide plate and the folding plate makes the transfer path of the goods controllable, and will not cause the goods to get stuck in the equipment, and the folding plate resets quickly, and the transfer mechanism will not have a great impact on the pickup time of the equipment, which facilitates the continuous use of the automatic vending machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This invention Figure 1 A schematic diagram of the front structure of FIG. Figure 3 This invention Figure 1 Schematic diagram of the structure after the shell is hidden; Figure 4 This invention Figure 3 Schematic diagram of the enlarged structure in the circle; Figure 5 This invention Figure 3 Schematic diagram of the bracket structure; Figure 6 This invention Figure 3 Schematic diagram of the propulsion unit structure; Figure 7 This invention Figure 3 Schematic diagram of the bottom structure of the transfer mechanism; Figure 8 This invention Figure 7 Schematic diagram of the enlarged structure in the circle; Figure 9 This invention Figure 3 Schematic diagram of the guide plate structure. DETAILED DESCRIPTION

[0017] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0018] Combine Figures 1-9 The vending machine includes a shell 11 fixedly set on a support 13, a shielding door 15 detachably mounted on the shell 11, a shielding plate 12 fixedly set on the inner wall of the shell 11, a transfer space 18, a picking space 20, a display space 19, and a stocking space 21 divided by the shielding plate 12 and formed inside the shell 11; the transfer space 18 is a path for goods to pass through in an orderly manner, the picking space 20 is a position for users to reach out to pick up goods, the display space 19 is an area for placing goods for users to observe and refer to, and the stocking space 21 can be used to store popular goods to facilitate staff to prepare goods.

[0019] The transfer space 18 and the cargo pickup space 20 are located on the same side of the shielding plate 12, and a transfer mechanism 17 is slidingly provided in the transfer space 18; the display space 19 and the cargo preparation space 21 are located on the other side of the shielding plate 12, and the display space 19 is provided with a bracket 29 fixedly connected to the inner wall of the outer shell 11 and a plurality of propulsion units 31 detachably mounted on the bracket 29; the transfer mechanism 17 can enable the goods to enter the cargo pickup space 20 along a set path without causing damage to the goods themselves and the equipment after the upper goods fall.

[0020] The propulsion unit 31 includes a sliding support 42 that is slidably connected to the bracket 29, a plurality of propulsion springs 38 installed in the sliding support 42 and separated by partitions 45, and a plurality of drive motors 40 installed at one end of the sliding support 42 and used to drive the propulsion springs 38 to rotate and corresponding one-to-one to the plurality of propulsion springs 38; the propulsion unit 31 is used to push the displayed goods to move and cause the target goods to fall; after the staff opens the shielding door 15, they can push and pull the sliding support 42 to quickly replenish the goods.

[0021] The transfer mechanism 17 comprises a supporting plate 27 slidably connected to the inner wall of the shell 11, a folding plate 34 hingedly connected to the supporting plate 27, a shielding plate 33 fixedly arranged on the inner wall of one side of the shell 11 and used for controlling the folding plate 34 to change state, and the shielding plate 33. The transfer mechanism 17 is used for carrying the target goods falling off, so that the target goods are smoothly transferred from the display space 19 to the taking space 20. The folding plate 34 can carry a certain amount of goods in the horizontal state, and can be flipped to make the goods fall off after cooperating with the shielding plate 33.

[0022] Beneficially, one side of the shell 11 has an opening, one side of the shielding door 15 is hingedly connected to the shell 11, and the shielding door 15 is used to shield the opening of the shell 11. The shielding door 15 is further provided with a rotary handle 22, a visible area 23, a taking opening 16 and an operation panel 25. One side of the taking opening 16 is provided with a taking shielding plate 24 hingedly connected to the shielding door 15, and the taking shielding plate 24 corresponds to the taking space 20. The side of the taking opening 16 is provided with a micro motor embedded in the inside of the shielding door 15. The output shaft of the micro motor is provided with a stop lever. The micro motor can control the taking shielding plate 24 to switch between the free state and the locked state through the stop lever. In the free state, the user can take goods, and in the locked state, the taking shielding plate 24 cannot be opened.

[0023] Beneficially, a plurality of slide rails 36 are fixedly arranged on the side of the bracket 29, and one elastic sheet 37 is fixedly arranged on each slide rail 36. The side of the sliding support 42 is fixedly provided with a sliding groove 44, and the sliding groove 44 is fixedly provided with a limiting groove 43. The sliding groove 44 is slidably connected to the slide rail 36, and the limiting groove 43 is locked with the elastic sheet 37. When the staff completes the replenishment, the sliding support 42 is pushed, and when the limiting groove 43 is locked with the elastic sheet 37, the staff can perceive the vibration to know that the sliding support 42 is installed in place.

[0024] Beneficially, a plurality of mounting plates 39 are detachably arranged on one end of the sliding support 42 close to the driving motor 40. The plurality of mounting plates 39 correspond to the plurality of driving motors 40 one by one. The plurality of driving motors 40 are respectively detachably arranged on the plurality of mounting plates 39. The output shaft of the driving motor 40 penetrates and is rotationally connected to the mounting plate 39. The output shaft of the driving motor 40 is fixedly provided with a mounting disc 41. The mounting disc 41 is fixedly connected to the corresponding push spring 38 through the buckle fixedly arranged on the end face. Each push spring 38 is controlled by a separate driving motor 40. The number of falling goods can be controlled by controlling the number of rotation of the corresponding push spring 38.

[0025] Beneficially, a guide plate 14 is arranged between the display space 19 and the shielding door 15, one end of the guide plate 14 away from the transfer space 18 is hinged to the inner wall of one side of the shell 11 by a torsion spring, and a folding strip 51 is arranged at one end of the guide plate 14 close to the transfer space 18, the folding strip 51 is located in the transfer space 18, a plurality of guide plates 14 correspond to a plurality of pushing units 31, and the falling target goods are guided into the transfer mechanism 17 by the guide plate 14. The hinge shaft of the folding strip 51 and the guide plate 14 is located on the upper side, and the folding strip 51 and the guide plate 14 have a certain thickness, so the folding strip 51 cannot be folded downward relative to the guide plate 14, and the hinge shaft is hidden inside the connection between the two, and does not affect the sliding of the goods.

[0026] Beneficially, a control motor 26 is arranged in the transfer space 18 and fixedly connected to the inner wall of one side of the shell 11, a threaded rod 28 is fixedly arranged on the output shaft of the control motor 26, one end of the threaded rod 28 away from the control motor 26 is rotatably connected to the inner wall of one side of the shell 11, and the threaded rod 28 penetrates the supporting plate 27 and threadedly cooperates with the supporting plate 27.

[0027] Beneficially, a vertical plate 30 is fixedly arranged at one end of the supporting plate 27 close to the control motor 26, the folding plate 34 is located on the side of the vertical plate 30 close to the shielding door 15, the folding plate 34 and the supporting plate 27 are hinged by a torsion spring, and a limiting piece 35 is arranged at the hinge position of the folding plate 34 and the supporting plate 27, and the limiting piece 35 is used to limit the folding range of the folding plate 34. The vertical plate 30 makes the goods only stay on the folding plate 34 and cannot enter the control area where the control motor 26 is located.

[0028] Beneficially, a fixed block 49 is fixedly arranged at one end of the supporting plate 27 away from the vertical plate 30, a sliding piece 46 is connected to the fixed block 49 by a damping spring 50, a slide rail two 48 fixedly connected with the supporting plate 27 is arranged on the side of the fixed block 49, the sliding piece 46 is slidably connected with the slide rail two 48, a wedge-shaped part 47 is arranged on the side of the sliding piece 46, and the wedge-shaped part 47 cooperates with the shielding plate 33. The upper end of the shielding plate 33 can cooperate with the wedge-shaped part 47, when the two are in contact and continue to contact, the wedge-shaped part 47 guides the sliding piece 46 to move, so that the sliding piece 46 releases the limitation on the folding plate 34, and allows the folding plate 34 to be folded downward.

[0029] Beneficially, the transfer mechanism 17 slides along the axial direction of the threaded rod 28, sequentially passing through a plurality of advancing units 31 and a plurality of guide plates 14, when passing through the corresponding guide plate 14, the turnover plate 34 tilts the guide plate 14 to make the target commodity slide, and the transfer mechanism 17 sequentially collects all the commodities dropped by the advancing units 31, and then controls the turnover plate 34 to rotate by the shielding plate 33 to make the commodities enter the taking space 20.

[0030] Beneficially, the shielding plate 12 is L-shaped, the shielding plate 12 has a vertical part and a horizontally extending part, the vertical part of the shielding plate 12 is used to separate the transfer space 18 and the display space 19, and the horizontally extending part of the shielding plate 12 is used to separate the taking space 20 and the standby space 21; the taking space 20 is a theft-proof space formed by the inner wall of the shell 11, the shielding plate 33, the taking baffle 24 and the horizontally extending part of the shielding plate 12. When the taking baffle 24 becomes a free state, the user's hand can only reach the range where the taking space 20 is located.

[0031] Working principle of the present application: In the initial state, a sufficient number of commodities are placed on the advancing unit 31, the shielding door 15 is closed and locked with the shell 11, the transfer mechanism 17 is located at the uppermost side of the device, the torsion spring one and the torsion spring two make the guide plate 14 horizontal and the turnover plate 34 horizontal respectively, the sliding member 46 and the turnover plate 34 have an overlapping part; the turnover plate 34 cannot be folded upward relative to the supporting plate 27 due to the limiting action of the limiting piece 35, and the turnover strip 51 cannot be folded downward relative to the guide plate 14 due to the limiting action of the hinge position between the turnover strip 51 and the guide plate 14.

[0032] The user observes the commodities through the visual area 23, operates the operation panel 25, selects the desired commodity and pays, the corresponding drive motor 40 receives the instruction to start, the drive motor 40 controls the output shaft to rotate to drive the mounting disc 41 and the advancing spring 38 to rotate synchronously, the advancing spring 38 rotates to push the target commodity to move, and the target commodity falls on the corresponding guide plate 14 after being separated from the placing groove 32, and the weight of the commodity is insufficient to overcome the torsional force of the torsion spring one, so that the guide plate 14 remains horizontal.

[0033] The control motor 26 is started to drive the output shaft to rotate the threaded rod 28, the threaded rod 28 controls the descending of the supporting plate 27, the folding plate 34 and the vertical plate 30 move synchronously with the supporting plate 27, when the folding plate 34 passes through a corresponding guide plate 14, the folding plate 34 tilts the folding strip 51 and the guide plate 14 as a whole, after tilting to a certain extent, the folding strip 51 is no longer in contact with the folding plate 34, the guide plate 14 is reset under the action of the torsional spring, in this process, the target goods slide with the tilting of the guide plate 14, before the folding strip 51 and the folding plate 34 are out of contact, all the goods are completely slid onto the folding plate 34; after the supporting plate 27 passes through all the guide plates 14, all the goods are concentrated on the folding plate 34, it is necessary to point out here that when the goods purchased at one time exceed the carrying capacity of the guide plate 14 and the folding plate 34, the system will choose to deliver in batches.

[0034] When the supporting plate 27 is lowered to the lowermost side, the wedge-shaped part 47 contacts the upper end of the shielding plate 33, causing the sliding part 46 to slide relative to the second sliding rail 48, and at the same time the damping spring 50 is compressed, when the sliding part 46 and the supporting plate 27 have no overlapping part, the folding plate 34 is instantly folded downward under the action of its own weight and the weight of the goods, causing all the goods to fall into the taking space 20, at this time the taking baffle 24 is allowed to be opened, the user can push the taking baffle 24 to take the goods in the taking space 20.

[0035] When all the goods are completely dropped into the taking space 20, the control motor 26 controls the supporting plate 27 to continue moving downward for a short distance, the sliding part 46 continues to move away from the folding plate 34, when all the goods are completely dropped into the taking space 20, the supporting plate 27 is automatically reset, the folding plate 34 is restored to horizontal under the action of the second torsional spring, and the sliding part 46 is partially overlapped with the folding plate 34 again under the action of the damping spring 50, in this process, the damping spring 50 controls the sliding speed of the sliding part 46 to be slow and smooth due to the damping of the damping spring 50, while the folding of the folding plate 34 is completed in an instant, and the sliding part 46 has slid a distance more than the supporting plate 27 in the process of descending, therefore the folding plate 34 will complete the reset before the sliding part 46, and the sliding part 46 will not hinder the folding plate 34 in the process of resetting the folding plate 34; when the sliding part 46 and the folding plate 34 complete the reset, the control motor 26 is started to control the supporting plate 27 to rise, in the process of rising of the supporting plate 27, when the folding plate 34 passes through a corresponding guide plate 14, the folding plate 34 rotates the folding strip 51 relative to the guide plate 14, the guide plate 14 remains horizontal, and the guide plate 14 gives way to the supporting plate 27 to rise to the uppermost side.

[0036] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A vending machine, characterized in that: The device comprises a shell fixedly mounted on a support, a shielding door detachably mounted on the shell, a shielding plate fixedly mounted on an inner wall of the shell, and a transfer space, a cargo pickup space, a display space, and a cargo preparation space formed inside the shell by the shielding plate; The transfer space and the cargo picking space are located on the same side of the shielding plate, and a transfer mechanism is slidably provided in the transfer space; the display space and the cargo preparation space are located on the other side of the shielding plate, and the display space is provided with a bracket fixedly connected to the inner wall of the shell and a plurality of propulsion units detachably mounted on the bracket; The propulsion unit includes a sliding support slidably connected to the bracket, a plurality of propulsion springs installed in the sliding support and separated by partitions, and a plurality of drive motors installed at one end of the sliding support and used to drive the propulsion springs to rotate and corresponding to the plurality of propulsion springs. The propulsion unit is used to propel the displayed goods to move and cause the target goods to fall. The transfer mechanism includes a support plate slidably connected to the inner wall of the shell, a folding plate hinged to the support plate, and a shielding plate fixedly arranged on the inner wall of one side of the shell and used to control the folding plate to change its state; the transfer mechanism is used to carry the fallen target goods, so that the target goods can be smoothly transferred from the display space to the pickup space.

2. The vending machine according to claim 1, wherein: One side of the shell is provided with an opening, one side of the shielding door is hinged to the shell, and the shielding door is used to shield the opening of the shell; the shielding door is also provided with a spin handle, a visual area, a pickup port and an operation panel, and one side of the pickup port is provided with a pickup baffle hinged to the shielding door, and the pickup baffle corresponds to the pickup space.

3. The vending machine according to claim 1, wherein: A plurality of slide rails are fixedly provided on the side of the bracket, and a spring piece is fixed on each of the slide rails. A slide groove is fixedly provided on the side of the sliding support, and a limiting groove is fixed on the slide groove. The slide groove is slidably matched with the slide rail, and the limiting groove is locked with the spring piece.

4. The vending machine according to claim 3, wherein: A plurality of mounting plates are detachably mounted on one end of the sliding support close to the drive motor, and the plurality of mounting plates correspond one to one with the plurality of drive motors. The plurality of drive motors are detachably mounted on the plurality of mounting plates, and the output shaft of the drive motor passes through and is rotatably connected to the mounting plate. A mounting disk is fixedly provided on the output shaft of the drive motor, and the mounting disk is fixedly connected to the corresponding propulsion spring via a clip fixedly arranged on its end surface.

5. The vending machine according to claim 1, wherein: A guide plate is provided between the display space and the shield door. The end of the guide plate away from the transfer space is hinged to the inner wall of one side of the shell through a torsion spring. The end of the guide plate close to the transfer space is provided with a folding strip, and the folding strip is located in the transfer space. Multiple guide plates correspond one-to-one to multiple propulsion units, and the guide plates guide the fallen target goods to the transfer mechanism.

6. The vending machine according to claim 5, characterized in that: A control motor fixedly connected to an inner wall of one side of the outer shell is provided in the transfer space, a threaded rod is fixedly provided on the output shaft of the control motor, an end of the threaded rod away from the control motor is rotatably connected to an inner wall of one side of the outer shell, and the threaded rod passes through the support plate and cooperates with the support plate thread.

7. The vending machine according to claim 6, wherein: A vertical plate is fixedly provided at one end of the support plate close to the control motor, and the folding plate is located on the side of the vertical plate close to the shielding door. The folding plate and the support plate are hinged by two torsion springs. A limit plate is provided at the hinge position between the folding plate and the support plate, and the limit plate is used to limit the folding range of the folding plate.

8. The vending machine according to claim 7, wherein: A fixed block is fixed to one end of the support plate away from the vertical plate, and a sliding member is connected to the side of the fixed block close to the folding plate through a damping spring. A second slide rail fixedly connected to the support plate is provided on the side of the fixed block, and the sliding member is slidably connected to the second slide rail. A wedge-shaped portion is provided on the side of the sliding member, and the wedge-shaped portion cooperates with the shielding plate.

9. The vending machine according to claim 8, wherein: The transfer mechanism slides along the axial direction of the threaded rod, passing through multiple propulsion units and multiple guide plates in sequence. When passing through the corresponding guide plate, the folding plate tilts the guide plate to make the target product slide. After the transfer mechanism collects all the products dropped by the propulsion units in sequence, the shielding plate controls the rotation of the folding plate to allow the products to enter the picking space.

10. The automatic vending machine according to claim 2, characterized in that: The shielding plate is L-shaped and has a vertical portion and a horizontal extension portion. The vertical portion of the shielding plate is used to separate the transfer space and the display space, and the horizontal extension portion of the shielding plate is used to separate the cargo picking space and the cargo preparation space. The cargo picking space is an anti-theft space formed by the inner wall of the outer shell, the shielding plate, the cargo picking baffle and the horizontal extension portion of the shielding plate.

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