阅读说明：本技术 一种自动下架过期商品的货架 (Goods shelf capable of automatically putting off shelf for overdue goods ) 是由 丁刚 于 2020-07-27 设计创作，主要内容包括：本发明公开了一种自动下架过期商品的货架,包括外壳,所述外壳内设有封闭外壳空腔,所述外壳空腔内设有上货装置,所述上货装置包括两个升降滑槽,两个所述升降滑槽左右对称,两个所述升降滑槽分别设置在所述外壳空腔左右两侧壁内,本发明内置货品上架装置,当货架夹子上没有商品后,可以通过出仓装置,将仓内的货品推到抬升箱里,并且有夹紧装置固定住货品,当抬升到最高处时,由货架夹子夹住,并且出货,当每日收回检查时,由扫码器扫描货品包装上的保质日期,当过期和即将过期的商品进行下架。(The invention discloses a goods shelf for automatically putting out expired goods, which comprises a shell, wherein a closed shell cavity is arranged in the shell, a goods loading device is arranged in the shell cavity, the goods loading device comprises two lifting sliding chutes which are bilaterally symmetrical, and the two lifting sliding chutes are respectively arranged in the left side wall and the right side wall of the shell cavity.)

1. The utility model provides an automatic shelf of shelf expired commodity, includes the shell, its characterized in that: the shell is internally provided with a closed shell cavity, the shell cavity is internally provided with a loading device, the loading device comprises two lifting chutes which are bilaterally symmetrical, the two lifting chutes are respectively arranged in the left side wall and the right side wall of the shell cavity, lifting slide blocks are arranged in the lifting chutes in a sliding manner, the two lifting slide blocks are connected through a lifting connecting plate, a loading tray is fixedly arranged at the upper end of the lifting connecting plate, a tray cavity is arranged in the loading tray, the opening of the tray cavity is upward, the front opening and the rear opening of the tray cavity are provided, a push plate electromagnet is arranged in the tray cavity, the push plate electromagnet is fixedly arranged on the inner wall of the left side of the tray cavity, a clamping push plate is arranged at the right side of the push plate electromagnet, the clamping push plate is connected with the push plate electromagnet through a push plate spring, a lifting actuating groove is formed in the lifting connecting plate, penetrates through the front end face and the rear end face of the lifting connecting plate, a motor is arranged on the lower side of the lifting actuating groove, the motor is fixedly arranged on the inner wall of the rear side of the cavity of the shell, a motor rotating shaft is rotatably arranged at the front end of the motor, a rotating rod is fixedly arranged on the motor rotating shaft, a lifting actuating rod is fixedly arranged at the upper end of the rotating rod, and the lifting actuating rod is slidably arranged in the lifting actuating groove; the upper side of the loading device is provided with a clamping loading device, the clamping loading device comprises an annular slideway plate, the annular slideway plate is fixedly arranged on the inner wall of the left side of the shell cavity, an annular chute is arranged in the annular slideway plate, eight loading sliders are slidably arranged in the annular chute and are arranged at equal intervals, the lower ends of the loading sliders are fixedly provided with loading slider connecting rods, the lower ends of the loading slider connecting rods are fixedly provided with clamp bottom plates, the front ends of the clamp bottom plates are fixedly provided with baffle plates, the right sides of the baffle plates are provided with clamping rotating shafts, the clamping rotating shafts are rotatably arranged on the clamp bottom plates, clamping heads are fixedly arranged on the clamping rotating shafts, blocking blocks are fixedly arranged on the upper ends of the clamping heads, the blocking blocks are connected with the baffle plates through clamping springs, and loading blocking shells are arranged between the loading tray and the annular slideway plate, the loading blocking shell is fixedly arranged on the inner wall of the rear side of the shell cavity, a loading blocking sliding groove is arranged in the loading blocking shell, the opening of the loading blocking sliding groove faces forwards, a loading actuating sliding block is arranged in the loading blocking sliding groove in a sliding mode, a loading blocking electromagnet is arranged on the rear side of the loading actuating sliding block, the loading blocking electromagnet is fixedly arranged on the inner wall of the rear side of the loading blocking sliding groove, and the loading blocking electromagnet is connected with the loading actuating sliding block through a loading blocking spring; go up the goods and block that the shell front side is equipped with down the goods and block the shell, it blocks that the shell is fixed to set up to get down on the shell cavity front side inner wall, it blocks the spout to be equipped with down the goods in the shell to get down the goods, it blocks the spout opening backward to get down the goods, it is equipped with down the goods and actuates the slider to get down in the spout to block to get down the goods and actuate the slider, it blocks the electro-magnet to get down the goods and actuate the slider to move the slider front side to be equipped with down the goods, it blocks the electro-magnet to get down the goods and stops spring coupling through getting down the goods between the slider, it blocks the shell right side and is equipped with the bar code collector to get down the goods fixed setting on the shell cavity right side outer wall, the.

2. The shelf for automatically shelving expired goods as claimed in claim 1, wherein: go up the goods tray front side and be equipped with the storehouse, it is fixed to set up to go up the storehouse on the inner wall of shell cavity left side, it is equipped with the storehouse cavity to go up in the storehouse to go up, it faces backwards to go up storehouse cavity opening, it promotes the spout to go up the storehouse cavity left side and is equipped with the goods, it promotes the spout setting to go up the goods in the storehouse cavity left side wall, it promotes to slide in the spout to go up the goods and is equipped with the loading slider, the fixed loading connecting plate that is equipped with of loading slider right-hand member, the fixed loading push pedal that is equipped with of loading connecting plate right-hand member.

3. The shelf for automatically shelving expired goods as claimed in claim 2, wherein: go up the storehouse front side and be equipped with the goods motor, it is fixed to set up to go up the goods motor on the shell cavity front side inner wall, it rotates to be equipped with the goods pivot to go up goods motor rear end, it rotates to set up to go up the goods pivot in promoting the spout, it runs through to go up the goods pivot go up the goods slider, go up the goods pivot with go up through the screw-thread engagement transmission between the goods slider.

4. The shelf for automatically shelving expired goods as claimed in claim 1, wherein: go up the storehouse front side and be equipped with the goods motor, it is fixed to set up to go up the goods motor on the shell cavity front side inner wall, it rotates to be equipped with the goods pivot to go up goods motor rear end, it rotates to set up to go up the goods pivot in promoting the spout, it runs through to go up the goods pivot go up the goods slider, go up the goods pivot with go up through the screw-thread engagement transmission between the goods slider.

5. The shelf for automatically shelving expired goods as claimed in claim 4, wherein: when the lower goods stop the electromagnet to be powered off, because the lower goods stop the spring to have elastic potential energy, the lower goods stop the spring to push the lower goods to actuate the sliding block to move backwards, the lower goods actuate the sliding block to stop the stop block, so that the stop block drives the clamping head to wind the clamping rotating shaft to rotate clockwise, and the clamping head and the baffle do not clamp the goods.

6. The shelf for automatically shelving expired goods as claimed in claim 1, wherein: the goods that stop the shell downside down is equipped with the overdue goods storehouse, the overdue goods storehouse is fixed to be set up on the shell cavity downside inner wall, be equipped with the overdue goods cavity in the overdue goods storehouse, overdue goods cavity opening up, the overdue goods cavity is used for depositing due the goods.

Technical Field

The invention relates to the field of information readers, in particular to a goods shelf capable of automatically putting out expired goods.

Background

The information acquisition refers to activities and processes of acquiring original information around a certain target in a certain range by a certain technical means and a certain mode method, information reading is visible everywhere in life, commodity placement on a traditional supermarket shelf needs manual operation, the situations that goods are not timely replenished or overdue commodities are not put on the shelf due to wide and large quantities of commodity types are easily caused, and daily maintenance and inspection need a large amount of manual labor.

Disclosure of Invention

The invention aims to solve the technical problem of providing a goods shelf capable of automatically putting out expired goods, which overcomes the problems that goods are wide in variety and large in quantity, timely replenishment is not easy to happen, or expired goods are not put out of the shelf, and daily maintenance and inspection need a large amount of manual labor.

The invention is realized by the following technical scheme.

The invention relates to a goods shelf for automatically putting expired goods down, which comprises a shell, wherein a closed shell cavity is arranged in the shell, a goods loading device is arranged in the shell cavity, the goods loading device comprises two lifting sliding grooves which are bilaterally symmetrical, the two lifting sliding grooves are respectively arranged in the left side wall and the right side wall of the shell cavity, lifting sliding blocks are arranged in the lifting sliding grooves in a sliding manner, the two lifting sliding blocks are connected through a lifting connecting plate, a goods loading tray is fixedly arranged at the upper end of the lifting connecting plate, a tray cavity is arranged in the goods loading tray, the opening of the tray cavity is upward, the front opening and the rear opening of the tray cavity are provided, a push plate electromagnet is arranged in the tray cavity, the push plate electromagnet is fixedly arranged on the inner wall of the left side of the tray cavity, a clamping push plate is arranged on the right side of the push plate electromagnet, goods are arranged on the right side of the clamping push plate, a lifting actuating groove is formed in the lifting connecting plate, the lifting actuating groove penetrates through the front end face and the rear end face of the lifting connecting plate, a motor is arranged on the lower side of the lifting actuating groove, the motor is fixedly arranged on the inner wall of the rear side of the cavity of the shell, a motor rotating shaft is rotatably arranged at the front end of the motor, a rotating rod is fixedly arranged on the motor rotating shaft, a lifting actuating rod is fixedly arranged at the upper end of the rotating rod, and the lifting actuating rod is slidably arranged in the lifting actuating groove; the upper side of the loading device is provided with a clamping loading device, the clamping loading device comprises an annular slideway plate, the annular slideway plate is fixedly arranged on the inner wall of the left side of the shell cavity, an annular chute is arranged in the annular slideway plate, eight loading sliders are slidably arranged in the annular chute and are arranged at equal intervals, the lower ends of the loading sliders are fixedly provided with loading slider connecting rods, the lower ends of the loading slider connecting rods are fixedly provided with clamp bottom plates, the front ends of the clamp bottom plates are fixedly provided with baffle plates, the right sides of the baffle plates are provided with clamping rotating shafts, the clamping rotating shafts are rotatably arranged on the clamp bottom plates, clamping heads are fixedly arranged on the clamping rotating shafts, blocking blocks are fixedly arranged on the upper ends of the clamping heads, the blocking blocks are connected with the baffle plates through clamping springs, and loading blocking shells are arranged between the loading tray and the annular slideway plate, the loading blocking shell is fixedly arranged on the inner wall of the rear side of the shell cavity, a loading blocking sliding groove is arranged in the loading blocking shell, the opening of the loading blocking sliding groove faces forwards, a loading actuating sliding block is arranged in the loading blocking sliding groove in a sliding mode, a loading blocking electromagnet is arranged on the rear side of the loading actuating sliding block, the loading blocking electromagnet is fixedly arranged on the inner wall of the rear side of the loading blocking sliding groove, and the loading blocking electromagnet is connected with the loading actuating sliding block through a loading blocking spring; the front side of the loading blocking shell is provided with a unloading blocking shell, the unloading blocking shell is fixedly arranged on the inner wall of the front side of the shell cavity, a unloading blocking sliding groove is arranged in the unloading blocking shell, the opening of the unloading blocking sliding groove faces backwards, a unloading actuating sliding block is arranged in the unloading blocking sliding groove in a sliding mode, an unloading blocking electromagnet is arranged on the front side of the unloading actuating sliding block, the unloading blocking electromagnet is fixedly arranged on the inner wall of the front side of the unloading blocking sliding groove, the unloading blocking electromagnet is connected with the unloading actuating sliding block through an unloading blocking spring, the right side of the unloading blocking shell is provided with a code scanner, the code scanner is fixedly arranged on the outer wall of the right side of the shell cavity, and when the code scanner detects that the goods are due, the unloading blocking electromagnet is powered off; preferably, it is equipped with the storehouse to go up the tray front side of stocking, it is fixed to set up to go up the storehouse on the inner wall of shell cavity left side, it is equipped with the storehouse cavity to go up in the storehouse, it faces up to go up storehouse cavity opening, it faces backwards to go up storehouse cavity opening, it promotes the spout to go up storehouse cavity left side to be equipped with the shipment, it promotes the spout setting to go up the shipment in the storehouse cavity left side wall, it promotes to slide in the spout to go up the shipment to be equipped with the loading slider, it is fixed to be equipped with the loading connecting plate to go up the loading slider right-hand member, it is fixed to be equipped with the loading push pedal to go up the loading.

Preferably, it is equipped with the motor of getting in stocks to go up the storehouse front side, it is fixed to set up to get in stocks the motor on the shell cavity front side inner wall, it is equipped with the pivot of getting in stocks to go in stocks the motor rear end rotation, it sets up to go in the pivot rotation of getting in stocks promotes the spout, it runs through to go in stocks the pivot get in stocks the slider, get in stocks the pivot with get in stocks through the screw-thread engagement transmission between the slider.

Preferably, it is equipped with the motor of getting in stocks to go up the storehouse front side, it is fixed to set up to get in stocks the motor on the shell cavity front side inner wall, it is equipped with the pivot of getting in stocks to go in stocks the motor rear end rotation, it sets up to go in the pivot rotation of getting in stocks promotes the spout, it runs through to go in stocks the pivot get in stocks the slider, get in stocks the pivot with get in stocks through the screw-thread engagement transmission between the slider.

Preferably, when the lower goods stop the power off of the electromagnet, because the lower goods stop the spring to have elastic potential energy, the lower goods stop the spring to push the lower goods to actuate the sliding block to move backwards, the lower goods actuate the sliding block to stop the stop block, so that the stop block drives the clamping head to rotate clockwise around the clamping rotating shaft, and the clamping head and the baffle do not clamp the goods.

Preferably, it blocks the shell downside and is equipped with the overdue goods storehouse to get off the shelf, the overdue goods storehouse is fixed to be set up on the shell cavity downside inner wall, be equipped with the overdue goods cavity in the overdue goods storehouse, overdue goods cavity opening up, the overdue goods cavity is used for depositing due the goods.

The invention has the beneficial effects that: according to the built-in goods loading device, when goods do not exist on the goods shelf clamps, the goods in the bin can be pushed into the lifting box through the delivery device, the clamping devices are used for fixing the goods, when the goods are lifted to the highest position, the goods are clamped by the goods shelf clamps and delivered, when the goods are withdrawn and checked every day, the quality guarantee date on the goods package is scanned by the code scanner, and when the goods are out of shelf and the goods which are out of shelf are delivered.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 2;

FIG. 4 is a schematic view in the direction of C-C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic view of the embodiment of the present invention in the direction D-D in FIG. 4;

FIG. 6 is a schematic view in the direction E-E of FIG. 1 according to an embodiment of the present invention;

FIG. 7 is a schematic view of the embodiment of the present invention in the direction F-F in FIG. 6.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The goods shelf capable of automatically putting off overdue commodities comprises a shell 10, a closed shell cavity 11 is arranged in the shell 10, a loading device 71 is arranged in the shell cavity 11, the loading device 71 comprises two lifting sliding grooves 15, the two lifting sliding grooves 15 are bilaterally symmetrical, the two lifting sliding grooves 15 are respectively arranged in the left side wall and the right side wall of the shell cavity 11, lifting sliding blocks 16 are arranged in the lifting sliding grooves 15 in a sliding manner, the two lifting sliding blocks 16 are connected through a lifting connecting plate 17, a loading tray 24 is fixedly arranged at the upper end of the lifting connecting plate 17, a tray cavity 50 is arranged in the loading tray 24, the tray cavity 50 is upward in opening, the front and the rear of the tray cavity 50 are opened, a push plate electromagnet 29 is arranged in the tray cavity 50, the push plate electromagnet 29 is fixedly arranged on the inner wall on the left side of the tray cavity 50, a clamping push plate 27 is arranged on the right side of the push plate electromagnet 29, the clamping push plate 27 is connected with the push plate electromagnet 29 through a push plate spring 28, goods 25 are arranged on the right side of the clamping push plate 27, a lifting actuating groove 18 is formed in the lifting connecting plate 17, the lifting actuating groove 18 penetrates through the front end face and the rear end face of the lifting connecting plate 17, a motor 22 is arranged on the lower side of the lifting actuating groove 18, the motor 22 is fixedly arranged on the inner wall of the rear side of the shell cavity 11, a motor rotating shaft 21 is rotatably arranged at the front end of the motor 22, a rotary rod 20 is fixedly arranged on the motor rotating shaft 21, a lifting actuating rod 19 is fixedly arranged at the upper end of the rotary rod 20, and the lifting actuating rod 19 is slidably; the upper side of the loading device 71 is provided with a clamping loading device 72, the clamping loading device 72 comprises an annular chute plate 12, the annular chute plate 12 is fixedly arranged on the inner wall of the left side of the shell cavity 11, an annular chute 13 is arranged in the annular chute plate 12, eight cargo hanging sliders 14 and eight cargo hanging sliders 14 are arranged in the annular chute 13 in a sliding manner, the cargo hanging sliders 14 are arranged at equal intervals, a cargo hanging slider connecting rod 31 is fixedly arranged at the lower end of the cargo hanging slider 14, a clamp bottom plate 32 is fixedly arranged at the lower end of the cargo hanging slider connecting rod 31, a baffle 33 is fixedly arranged at the front end of the clamp bottom plate 32, a clamping rotating shaft 36 is arranged at the right side of the baffle 33, the clamping rotating shaft 36 is rotatably arranged on the clamp bottom plate 32, a clamping head 37 is fixedly arranged on the clamping rotating shaft 36, a blocking block 35 is fixedly arranged at the upper end of the clamping head 37, the blocking block 35, a loading blocking shell 38 is arranged between the loading tray 24 and the annular chute plate 12, the loading blocking shell 38 is fixedly arranged on the inner wall of the rear side of the shell cavity 11, a loading blocking chute 40 is arranged in the loading blocking shell 38, the opening of the loading blocking chute 40 faces forward, a loading actuating slider 42 is arranged in the loading blocking chute 40 in a sliding manner, a loading blocking electromagnet 39 is arranged on the rear side of the loading actuating slider 42, the loading blocking electromagnet 39 is fixedly arranged on the inner wall of the rear side of the loading blocking chute 40, and the loading blocking electromagnet 39 is connected with the loading actuating slider 42 through a loading blocking spring 41; the front side of the loading blocking shell 38 is provided with a unloading blocking shell 51, the unloading blocking shell 51 is fixedly arranged on the inner wall of the front side of the shell cavity 11, a discharging blocking sliding groove 53 is arranged in the discharging blocking shell 51, the discharging blocking sliding groove 53 is opened backwards, a delivery actuating slide block 55 is arranged in the delivery stopping chute 53 in a sliding way, a delivery stopping electromagnet 52 is arranged at the front side of the delivery actuating slide block 55, the lower goods blocking electromagnet 52 is fixedly arranged on the inner wall of the front side of the lower goods blocking sliding chute 53, the lower goods blocking electromagnet 52 is connected with the lower goods actuating slide block 55 through a lower goods blocking spring 54, the right side of the lower goods blocking shell 51 is provided with a code scanner 23, the code scanner 23 is fixedly arranged on the outer wall of the right side of the shell cavity 11, when the code scanner 23 detects that the goods 25 are due, the goods-placing blocking electromagnet 52 is powered off; beneficially, an upper cargo bin 47 is arranged on the front side of the upper cargo tray 24, the upper cargo bin 47 is fixedly arranged on the inner wall of the left side of the shell cavity 11, an upper cargo bin cavity 59 is arranged in the upper cargo bin 47, the opening of the upper cargo bin cavity 59 faces upwards, the opening of the upper cargo bin cavity 59 faces backwards, an upper cargo pushing sliding groove 45 is arranged on the left side of the upper cargo bin cavity 59, the upper cargo pushing sliding groove 45 is arranged in the left side wall of the upper cargo bin cavity 59, an upper cargo sliding block 48 is slidably arranged in the upper cargo pushing sliding groove 45, an upper cargo connecting plate 49 is fixedly arranged at the right end of the upper cargo sliding block 48, and an upper cargo pushing plate 46 is fixedly arranged at the right end of the upper cargo connecting plate 49.

Advantageously, the front side of the upper cargo compartment 47 is provided with a cargo loading motor 43, the cargo loading motor 43 is fixedly arranged on the inner wall of the front side of the housing cavity 11, the rear end of the cargo loading motor 43 is rotatably provided with a cargo loading rotating shaft 44, the cargo loading rotating shaft 44 is rotatably arranged in the cargo loading pushing sliding groove 45, the cargo loading rotating shaft 44 penetrates through the cargo loading sliding block 48, and the cargo loading rotating shaft 44 and the cargo loading sliding block 48 are in threaded engagement transmission.

Advantageously, the loading actuator slider 42 can be pushed out of the loading blocking chute 40 by the loading blocking spring 41, the loading actuator slider 42 can block the blocking block 35, when the loading slider 14 moves, the loading slider 14 drives the loading slider connecting rod 31 to move to the right, the loading slider connecting rod 31 drives the clamp base plate 32 to move to the right, the clamp base plate 32 drives the clamping rotating shaft 36 to move to the right, the clamping rotating shaft 36 drives the clamping head 37 to move to the right, the clamping head 37 drives the blocking block 35 to move to the right, the blocking block 35 is blocked by the loading actuator slider 42, the blocking block 35 drives the clamping head 37 to rotate counterclockwise around the clamping rotating shaft 36, and the clamping head 37 moves away from the baffle 33.

Advantageously, when the discharge blocking electromagnet 52 is de-energized, due to the elastic potential energy of the discharge blocking spring 54, the discharge blocking spring 54 pushes the discharge actuating slider 55 to move backward, the discharge actuating slider 55 blocks the blocking block 35, so that the blocking block 35 drives the clamping head 37 to rotate clockwise around the clamping rotating shaft 36, and the clamping head 37 and the blocking plate 33 do not clamp the goods 25.

Beneficially, the lower side of the lower goods blocking shell 51 is provided with an expired goods bin 56, the expired goods bin 56 is fixedly arranged on the inner wall of the lower side of the shell cavity 11, an expired goods cavity 57 is arranged in the expired goods bin 56, the opening of the expired goods cavity 57 faces upwards, and the expired goods cavity 57 is used for storing the expired goods 25.

In the initial state, the goods hanging slide block 14 does not work, the lifting slide block 16 does not work, the motor 22 does not work, the push plate spring 28 is in a compressed state, the push plate electromagnet 29 is electrified, the clamping spring 34 is in a normal state, the goods loading blocking electromagnet 39 is electrified, the goods loading blocking spring 41 is in a compressed state, the goods loading motor 43 does not work, the goods unloading blocking electromagnet 52 is electrified, and the goods unloading blocking spring 54 is in a compressed state.

When the work is started, if the goods are out of stock, the goods are needed to be replenished, the goods hanging sliding block 14 slides rightwards, the goods hanging sliding block 14 drives the goods hanging sliding block connecting rod 31 to move rightwards, the goods hanging sliding block connecting rod 31 drives the clamp bottom plate 32 to move rightwards, the clamp bottom plate 32 drives the baffle plate 33 to move rightwards, the clamp bottom plate 32 drives the clamping rotating shaft 36 to move rightwards, the clamping rotating shaft 36 drives the clamping head 37 to move rightwards, the clamping head 37 drives the blocking block 35 to move rightwards, then the goods blocking electromagnet 39 is powered off to lose attraction force, the goods blocking spring 41 pushes the goods actuating sliding block 42 forwards until the goods actuating sliding block 42 is positioned at the forefront side, at the moment, the goods actuating sliding block 42 abuts against the blocking block 35, the blocking block 35 drives the clamping head 37 to rotate anticlockwise around the clamping rotating shaft 36, and the clamping head 37 moves away; then the motor 22 starts to work, the motor 22 drives the motor shaft 21 to rotate, the motor shaft 21 drives the rotary rod 20 to rotate, the rotary rod 20 drives the lifting actuating rod 19 to move circumferentially, the lifting actuating rod 19 drives the lifting connecting plate 17 to move downwards, the lifting connecting plate 17 drives the upper goods tray 24 to move downwards until the upper goods tray 24 is positioned at the lowest side, then the goods loading motor 43 starts to work, the goods loading motor 43 drives the goods loading rotary shaft 44 to rotate, the goods loading rotary shaft 44 drives the goods loading slide block 48 to move backwards through screw thread meshing transmission, the goods loading slide block 48 drives the goods loading connecting plate 49 to move backwards, the goods loading connecting plate 49 drives the goods loading push plate 46 to move backwards, the goods push plate 46 pushes the goods 25 backwards until one goods 25 is pushed into the tray cavity 50, then the push plate electromagnet 29 is powered off to lose attraction force, and because the push plate spring 28 has elastic potential energy, the push plate spring 28 pushes the clamping push plate 27 rightwards, until the clamping push plate 27 presses the goods 25 to fix the goods 25, then the motor 22 continues to work, the lifting actuating rod 19 drives the lifting connecting plate 17 to move upwards, the lifting connecting plate 17 drives the upper goods tray 24 to move upwards until the goods tray moves to the highest position, then the loading blocking electromagnet 39 is electrified to generate attraction force, the loading blocking electromagnet 39 attracts the loading actuating slide block 42 to slide backwards, the loading actuating slide block 42 does not block the blocking block 35, because the clamping spring 34 has elastic potential energy, the blocking block 35 is pushed rightwards by the clamping spring 34, the blocking block 35 drives the clamping head 37 to rotate clockwise around the clamping rotating shaft 36, the clamping head 37 and the baffle 33 clamp the upper part of the goods 25, then the lifting actuating rod 19 drives the lifting connecting plate 17 to move downwards, the lifting connecting plate 17 drives the upper goods tray 24 to return to the lowest side so as to replenish goods 25 in the tray cavity 50, and the operation is repeated; when the daily beginning of the sale is finished, the goods hanging sliding block 14 turns around in the annular sliding groove 13, moving leftwards, the goods hanging slide block 14 drives the goods hanging slide block connecting rod 31 to move leftwards, the goods hanging slide block connecting rod 31 drives the clamp bottom plate 32 to move leftwards, the clamp bottom plate 32 drives the baffle plate 33 and the clamping head 37 to move leftwards, the baffle plate 33 and the clamping head 37 drive the goods 25 to move leftwards, if the code scanner 23 detects that the goods are out of date, the delivery blocking electromagnet 52 is powered off and loses attraction, because the goods-discharging blocking spring 54 has elastic potential energy, the goods-discharging blocking spring 54 pushes the goods-discharging actuating slide block 55 backwards, the goods-discharging actuating slide block 55 blocks the blocking block 35, the blocking block 35 drives the clamping head 37 to rotate clockwise around the clamping rotating shaft 36, the clamping head 37 is far away from the blocking plate 33, the blocking plate 33 and the clamping head 37 do not clamp the goods 25, and the goods 25 fall into the overdue goods cavity 57; the above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.