CN105109877B - Cargo discharging mechanism allowing cargos to perpendicularly fall and using method of cargo discharging mechanism - Google Patents

Abstract

The invention relates to a delivery mechanism for vertically dropping goods, which includes a frame, the inside of which is a storage area for vertically stacking goods, and a movable mechanism driven by an electric mechanism is arranged below the storage area. A horizontal sliding mechanism that performs longitudinal reciprocating sliding movement relative to the frame, and a vertical sliding mechanism that is driven by the horizontal sliding mechanism and can perform vertical reciprocating sliding movement is vertically provided on the longitudinal end side of the storage area. The storage area is provided with a support plate driven by a vertical sliding mechanism for supporting the bottom layer of goods and a clamping plate for clamping the penultimate layer of goods. The mechanism drives the vertical sliding mechanism through the driving groove, and then drives the clamping plate and the supporting plate to run synchronously and smoothly through the clamping plate driving chamber and supporting plate driving chamber of the vertical sliding mechanism, so that the shipment is stable and reliable; before shipment, the rollers A is located on the horizontal section B, so that the mechanism has a large bearing capacity, a large storage capacity, and is reliable and safe; it reduces the impact damage of the mechanism by the falling of stacked goods.

Description

A delivery mechanism for vertically dropping goods and its application method

technical field

The invention provides a delivery mechanism for vertically dropping goods and a using method thereof, belonging to the technical field of vending machines.

Background technique

The delivery mechanism of the traditional vending machine, one of the delivery methods is non-vertical drop goods, which cannot meet the delivery requirements of some special goods that cannot be dumped; second, the storage efficiency is low due to the limitation of the delivery method; The drive of the three mechanisms is difficult to achieve integration, and multiple power sources are needed, the delivery time is long and the efficiency is low; the fourth structure is complex, unstable and unsafe.

Contents of the invention

The object of the present invention is to provide a delivery mechanism for vertically dropping goods and a method of using the same for the above disadvantages.

The solution adopted by the present invention to solve the technical problem is a delivery mechanism for vertically dropping goods, including a rack, the inside of which is a storage area for stacking goods vertically, and the bottom of the storage area is set There is a horizontal sliding mechanism driven by an electric mechanism that can perform longitudinal reciprocating sliding movement relative to the frame, and the longitudinal end side of the storage area is vertically provided with a horizontal sliding mechanism that can perform vertical reciprocating sliding movement. The vertical sliding mechanism, the storage area is provided with a support plate driven by the vertical sliding mechanism for supporting the bottom layer of goods and a clamping plate for clamping the penultimate layer of goods.

Further, the electric mechanism includes a motor, the output end of the motor is vertically downward and is connected to a crank, and a rod is vertically connected to an end of the crank that is far from the output end of the motor, and the horizontal sliding The mechanism includes a rectangular base, and the base is symmetrically provided with horizontal rolling rollers on both sides of the longitudinal direction, and the base is also provided with bent driving grooves for driving the vertical sliding mechanism at four diagonal positions. The base is provided with a transversely extending groove on one lateral side for inserting a rod so as to drive the base to perform longitudinal reciprocating sliding movement.

Further, the shape of the driving groove is Z-shaped, and the driving groove is composed of a horizontal section A, an inclined section and a horizontal section B, the horizontal section A is located on the base, and the horizontal section B is higher than and lags behind the horizontal section Section A, the inclined section is located between the horizontal section A and the horizontal section B, and the connecting end of the roller and the frame is provided with a U-shaped track extending longitudinally for the rolling of the roller.

Further, the vertical sliding mechanism includes a front vertical sliding mechanism and a rear vertical sliding mechanism, the front vertical sliding mechanism includes a front vertical plate, and the vertical two vertical plates of the front The sides are symmetrically provided with rollers rolling in the vertical plane, and the underside of the front vertical plate is symmetrically provided with rollers A for embedding and rolling in the driving groove, and the rear vertical sliding mechanism includes a rear side As for the vertical plate, the vertical two sides of the rear vertical plate are symmetrically provided with rollers for rolling in the vertical plane, and the lower side of the rear vertical plate is symmetrically provided with wheels for embedding in the driving groove and rolling in the driving groove The rollers A of the front side vertical plate and the rear vertical plate are provided with vertically extending U-shaped tracks for the rolling of the rollers at the connecting ends of the frame.

Further, the front vertical plate and the rear vertical plate are provided with a support plate drive cavity for driving the support plate and a clamp plate drive cavity for driving the clamp plate, and the support plate includes a The left support plate and the right support plate for rotating and supporting the goods under the bottom layer of goods, the clamping plates include the left clamping plate and the right clamping plate for rotating and clamping the edge of the goods located on both sides of the penultimate layer of goods. clamping plate.

Further, the left support plate and the right support plate are provided with a guide rod A and a guide rod B on the ends away from the cargo center, the guide rod A is located between the guide rod B and the cargo center, and the guide rod The horizontal position of A is higher than the guide rod B when the support plate is in the initial horizontal state, the left support plate and the right support plate are hinged with the frame through the guide rod B, and the two ends of the guide rod A are inserted into the support plate The drive chamber is kept in contact with the lower horizontal plane of the drive chamber of the support plate, and the left support plate and the right support plate are symmetrically arranged on the left and right sides of the bottom of the goods with the center of the goods.

Further, the shapes of the left clamping plate and the right clamping plate are L-shaped, and the upper ends of the left clamping plate and the right clamping plate are provided with guide rods C and D, and the guide rods D Located between the guide rod C and the cargo center, the horizontal position of the guide rod C is higher than the guide rod D, the left clamping plate and the right clamping plate are hinged to the frame through the guide rod D, and the guide rod The two ends of C are inserted into the drive cavity of the clamping plate, the left clamping plate and the right clamping plate are symmetrically arranged on the side edges of the penultimate layer of goods with the center of the goods, the left clamping plate and the right clamping plate The lower ends of the springs are elastically connected to the frame.

Further, the driving cavity of the supporting plate includes rectangular notches symmetrically opened on the front vertical plate and the rear vertical plate, and the clamping plate driving cavity includes vertically symmetrical openings on the front vertical plate and the rear vertical plate. The L-shaped notch on the side vertical plate, wherein the horizontal section of the L-shaped notch faces the center of the cargo, and the two ends of the guide rod C are inserted into the drive cavity of the clamping plate to connect with the horizontal section of the L-shaped notch, The vertical section remains in contact, and the horizontal section of the L-shaped notch has an included angle of 5° between the upper surface in contact with the guide rod C and the horizontal plane.

Further, the end of the rod at the output end of the motor is provided with a sensor for detecting the position of the motor, and a detection mechanism for detecting whether there is goods in the storage area is provided between the support plate and the clamping plate, and the storage area The side wall of the internal frame is provided with an item compartment wall plate, and the frame is composed of a front bracket that slides and fits with the vertical plate on the front side, a rear bracket that slides and fits with the vertical plate on the rear side, and a spring connected to one end of the rack. The left bracket and the right bracket connected to one end of the spring are screwed together. The left bracket and the right bracket are all provided with L-shaped spring connection seats at the joint ends of the springs. The spring connection seats are provided with a number of spring connection holes.

A method for using a delivery mechanism for vertically dropping goods, comprising the following steps:

(1) Before shipment, the left support plate and right support plate under the bottom layer of goods support the goods, the left clamping plate and right clamping plate of the penultimate layer of goods are in a released state, and the roller A is located on the horizontal section B;

(2) When shipping, the detection mechanism detects whether there are goods in the storage area. When the goods are detected, the motor pushes the horizontal sliding mechanism to slide longitudinally backward, and the rollers A in the four driving slots on the horizontal sliding mechanism slide along Sliding down the slope section at the same time;

(3) The front vertical plate and the rear vertical plate also slide vertically downward at the same time, and the upper surface hypotenuse of the horizontal section of the L-shaped notch of the front vertical plate and the rear vertical plate pushes the guide rod C to move , the clamping plate rotates around the guide rod D to clamp the edge of the penultimate layer of goods. At the same time, the downward movement of the drive cavity of the support plate drives the guide rod A to move down, and the support plate rotates away from the goods around the guide rod B. The goods start to fall down;

(4) The clamping plate is fully clamped, and the bottom goods continue to fall downwards as the support plate continues to turn away. At this time and in the following strokes, the guide rod C is located in the vertical section of the L-shaped notch, not Contact with the hypotenuse on the upper surface of the horizontal section of the L-shaped notch, and the clamping plate is always in a clamping state;

(5) When the first half cycle of the motor ends, the support plate is fully opened, the bottom layer of goods falls successfully, and the penultimate layer of goods is continuously clamped, and then the motor starts the second half cycle of operation. During the second half cycle of operation, the horizontal sliding The mechanism slides forward and longitudinally, and the front vertical plate and the rear vertical plate also slide vertically upward at the same time, the clamping plate is still in the clamping state, and the supporting plate turns back in the opposite direction;

(6) When the support plate is close to the horizontal position, the clamping plate retracts to the inner side of the article compartment wall under the tension of the spring, the clamped article is released, and the penultimate layer of goods falls onto the support plate, becoming New underlying cargo.

Compared with the prior art, the present invention has the following beneficial effects: the delivery mechanism of the vertically dropped goods drives the vertical sliding mechanism through the driving groove, and then drives the clamping plate driving cavity and the supporting plate driving cavity of the vertical sliding mechanism. The clamping plate and the support plate run synchronously and smoothly, making the delivery stable and reliable; before delivery, the roller A is located on the horizontal section B, so that the mechanism has a large bearing capacity, a large storage capacity, and is reliable and safe; the L-shaped groove of the mechanism The mouth can ensure that the goods that need to be kept immovable are quickly clamped at the initial stage of shipment, and only the bottom goods are dropped, and the clamped goods are released at the end of the motor's operating cycle, which greatly reduces the mechanism's impact on the falling of stacked goods The impact of damage will enhance the reliability of the successful delivery of the organization and the safety of the organization; the storage efficiency is high, and the vertically falling goods will not turn over, which can meet the shipping requirements of some special goods that cannot be dumped; the motor rotates once (<0.5 seconds) the shipment is completed and the efficiency is high.

Description of drawings

Below in conjunction with accompanying drawing, the patent of the present invention is further described.

Fig. 1 is the structural representation one of this invention;

Fig. 2 is the structure schematic diagram two of this invention;

Fig. 3 is a structural schematic diagram three of the invention;

Fig. 4 is a structural schematic diagram of a horizontal sliding mechanism;

Fig. 5 is a structural schematic diagram of the front side vertical sliding mechanism;

Figure 6 is a schematic structural view of the rear vertical sliding mechanism;

Fig. 7 is the structural representation of clamping plate;

Fig. 8 is the structural representation of support plate;

Fig. 9 is a structural schematic diagram of the electric mechanism;

Fig. 10 is a structural schematic diagram 1 of removing the frame of the invention;

Fig. 11 is the structural schematic diagram 2 of removing the frame of the invention;

Fig. 12 is the structural representation of this invention frame;

Figure 13 is a schematic diagram of the connection between the front vertical sliding mechanism, the support plate and the clamping plate;

Figure 14 is a partial enlarged view of A in Figure 13;

Fig. 15 is a working state schematic diagram 1 of the invention;

Fig. 16 is the second schematic diagram of the working state of the invention;

Fig. 17 is a working state schematic diagram three of the invention;

Fig. 18 is a working state schematic diagram four of the invention;

Fig. 19 is a schematic diagram five of the working state of the invention;

In the picture:

1-frame; 2-electric mechanism; 3-horizontal sliding mechanism; 4-vertical sliding mechanism; 5-support plate; 6-clamping plate; 7-motor; 8-crank; 9-rod; 10- Base; 11-Roller; 12-Drive groove; 13-Slot bar; 14-Horizontal section A; 15-Incline section; 16-Horizontal section B; 17-U-shaped track; Rear vertical sliding mechanism; 20-front vertical plate; 21-roller A; 22-rear vertical plate; 23-support plate drive cavity; 24-clamp plate drive cavity; 25-left support plate; 26 -Right support plate; 27-Left clamping plate; 28-Right clamping plate; 29-Guide rod A; 30-Guide rod B; 31-Guide rod C; 32-Guide rod D; 33-Spring; 34-Level Section; 35-sensor; 36-detection mechanism; 37-item warehouse wall; 38-front bracket; 39-back bracket; 40-left bracket; 41-right bracket; 42-spring connection seat; 43-spring connection hole; 44 - bottom layer of goods; 45 - penultimate layer of goods; 46 - vertical section.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 19, a delivery mechanism for vertically dropping goods includes a rack 1. Inside the rack is a storage area for vertically stacking goods. Below the storage area is a The horizontal sliding mechanism 3 driven by the electric mechanism 2 can carry out longitudinal reciprocating sliding movement relative to the frame, and the longitudinal end side of the storage area is vertically provided with a vertical reciprocating sliding mechanism driven by the horizontal sliding mechanism. A moving vertical sliding mechanism 4, the storage area is provided with a support plate 5 driven by the vertical sliding mechanism for supporting the bottom layer of goods and a clamping plate 6 for clamping the penultimate layer of goods.

In this embodiment, the electric mechanism includes a motor 7, the output end of the motor is vertically downward and is connected to a crank 8, and a rod 9 is vertically connected to an end of the crank far away from the output end of the motor. , the horizontal sliding mechanism includes a rectangular base 10, the base is symmetrically provided with rollers 11 rolling on the horizontal plane on both sides of the longitudinal direction, and the base is also respectively provided with four corners for driving the vertical sliding mechanism The bent-shaped driving groove 12, the base is provided with a transversely extending groove bar 13 for rod insertion to drive the base to perform longitudinal reciprocating sliding movement on one lateral side.

In this embodiment, the shape of the driving groove is Z-shaped, and the driving groove is composed of a horizontal section A14, an inclined section 15, and a horizontal section B16. The horizontal section A is located on the base, and the horizontal section B is higher than And lagging behind the horizontal section A, the inclined section is located between the horizontal section A and the horizontal section B, and the connecting end of the roller and the frame is provided with a longitudinally extending U-shaped track 17 for the rolling of the roller.

In this embodiment, the vertical sliding mechanism includes a front vertical sliding mechanism 18 and a rear vertical sliding mechanism 19, the front vertical sliding mechanism includes a front vertical plate 20, and the front vertical The vertical two sides of the plate are symmetrically provided with rollers rolling in the vertical plane, and the lower side of the vertical plate on the front side is symmetrically provided with rollers A21 for embedding and rolling in the driving groove, and the rear side is vertical The sliding mechanism includes a rear vertical plate 22, the vertical two sides of the rear vertical plate are symmetrically provided with rollers for vertical plane rolling, and the lower side of the rear vertical plate is symmetrically provided with wheels for embedded driving. groove and drive the roller A rolling in the groove, and the connecting ends of the rollers of the front vertical plate and the rear vertical plate and the frame are provided with vertically extending U-shaped tracks for the rolling of the rollers.

In this embodiment, both the front vertical plate and the rear vertical plate are provided with a support plate drive cavity 23 for driving the support plate and a clamp plate drive cavity 24 for driving the clamp plate. The support plate includes a left support plate 25 and a right support plate 26 located below the lowest layer of goods for rotating lifting and supporting goods, and the clamping plate includes two sides of the penultimate layer of goods for rotating and clamping the edge of the goods. The left clamping plate 27, the right clamping plate 28 of the.

In this embodiment, the left support plate and the right support plate are provided with a guide rod A29 and a guide rod B30 on the ends away from the cargo center, the guide rod A is located between the guide rod B and the cargo center, so The horizontal position of the guide rod A is higher than the guide rod B when the support plate is in the initial horizontal state, the left support plate and the right support plate are hinged with the frame through the guide rod B, and the two ends of the guide rod A After being inserted into the drive cavity of the support plate, it is kept in contact with the lower horizontal plane of the drive cavity of the support plate, and the left support plate and the right support plate are symmetrically arranged on the left and right sides of the bottom of the cargo with the center of the cargo.

In this embodiment, the shapes of the left clamping plate and the right clamping plate are both L-shaped, and the upper ends of the left clamping plate and the right clamping plate are provided with a guide rod C31 and a guide rod D32. The guide rod D is located between the guide rod C and the cargo center, the horizontal position of the guide rod C is higher than the guide rod D, and the left clamping plate and the right clamping plate are hinged to the frame through the guide rod D, so The two ends of the guide rod C are inserted into the drive cavity of the clamping plate, and the left clamping plate and the right clamping plate are symmetrically arranged on the side edges of the penultimate layer of goods with the center of the goods, and the left clamping plate and the right The lower ends of the clamping plates are elastically connected with the frame through springs 33 .

In this embodiment, the supporting plate drive cavity includes rectangular notches symmetrically opened on the front vertical plate and the rear vertical plate, and the clamping plate drive cavity includes vertically symmetrical openings on the front vertical plate. The L-shaped notch on the rear vertical plate and the L-shaped notch, wherein the horizontal section of the L-shaped notch faces the center of the cargo, and the two ends of the guide rod C are inserted into the drive cavity of the clamping plate and connected to the L-shaped notch. The horizontal section 34 and the vertical section 46 keep in contact, and the angle between the upper surface of the horizontal section of the L-shaped notch in contact with the guide rod C and the horizontal plane is 5°.

In this embodiment, the end of the rod at the output end of the motor is provided with a sensor 35 for detecting the position of the motor, and a detection mechanism 36 for detecting whether there is goods in the storage area is provided between the support plate and the clamping plate. In the storage area, an article compartment wall plate 37 is provided on the side wall of the frame, and the frame is composed of a front bracket 38 that is slidably matched with the front vertical plate, and a rear bracket 38 that is slidable with the rear vertical plate. Support 39, the left support 40 that is connected with spring one end, the right support 41 that is connected with spring one end are screwed to form, and described left support and right support are all provided with L-shaped spring connection seat 42 at the connecting end with spring, described Several spring connection holes 43 are opened on the spring connection seat.

A method for using a delivery mechanism for vertically dropping goods, comprising the following steps:

(1) Before shipment, the left support plate and right support plate under the bottom layer of goods 44 support the goods, the left clamping plate and right clamping plate of the penultimate layer of goods 45 are in a released state, and the roller A is located on the horizontal section B;

(2) When shipping, the detection mechanism detects whether there are goods in the storage area. When the goods are detected, the motor pushes the horizontal sliding mechanism to slide longitudinally backward, and the rollers A in the four driving slots on the horizontal sliding mechanism slide along Sliding down the slope section at the same time;

(3) The front vertical plate and the rear vertical plate also slide vertically downward at the same time, and the upper surface hypotenuse of the horizontal section of the L-shaped notch of the front vertical plate and the rear vertical plate pushes the guide rod C to move , the clamping plate rotates around the guide rod D to clamp the edge of the penultimate layer of goods. At the same time, the downward movement of the drive cavity of the support plate drives the guide rod A to move down, and the support plate rotates away from the goods around the guide rod B. The goods start to fall down;

(4) The clamping plate is fully clamped, and the bottom goods continue to fall downwards as the supporting plate continues to turn away. At this time and in the following stroke, the guide rod C is located at the vertical section 46 of the L-shaped notch, The clamping plate is always in a clamping state without contacting the hypotenuse on the upper surface of the horizontal section of the L-shaped notch;

(5) When the first half cycle of the motor ends, the support plate is fully opened, the bottom layer of goods falls successfully, and the penultimate layer of goods is continuously clamped, and then the motor starts the second half cycle of operation. During the second half cycle of operation, the horizontal sliding The mechanism slides forward and longitudinally, and the front vertical plate and the rear vertical plate also slide vertically upward at the same time, the clamping plate is still in the clamping state, and the supporting plate turns back in the opposite direction;

(6) When the support plate is close to the horizontal position, the clamping plate retracts to the inner side of the article compartment wall under the tension of the spring, the clamped article is released, and the penultimate layer of goods falls onto the support plate, becoming New underlying cargo.

The above-listed preferred embodiments have further described the purpose, technical solutions and advantages of the present invention in detail. It should be understood that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included within the protection scope of the present invention.

Claims (1)

1. A delivery mechanism for vertically dropping goods, characterized in that: it includes a frame, the interior of the frame is a storage area for vertically stacking goods, and the bottom of the storage area is provided with a motorized mechanism A driven horizontal sliding mechanism that can perform longitudinal reciprocating sliding movement relative to the frame, and a vertical sliding mechanism that can perform vertical reciprocating sliding movement driven by the horizontal sliding mechanism is vertically provided on the longitudinal end side of the storage area. mechanism, the storage area is provided with a support plate driven by a vertical sliding mechanism for supporting the bottom layer of goods and a clamping plate for clamping the penultimate layer of goods; the electric mechanism includes a motor, and the motor The output end of the motor is vertically downward and is connected with a crank, and the crank is vertically connected with a rod at an end far away from the output end of the motor, and the horizontal sliding mechanism includes a rectangular base, and the base has a The rollers rolling on the horizontal plane are symmetrically arranged, and the base is also provided with bent-shaped driving grooves for driving the vertical sliding mechanism at four diagonal positions, and the base is provided with a laterally extending groove on one side of the lateral direction. The rod is inserted to drive the groove of the base to perform longitudinal reciprocating sliding movement; the shape of the driving groove is Z-shaped, and the driving groove is composed of a horizontal section A, an inclined section, and a horizontal section B. The horizontal section A is located on the base Above, the horizontal section B is higher than and lags behind the horizontal section A, the inclined section is located between the horizontal section A and the horizontal section B, and the connecting end of the roller and the frame is provided with a longitudinally extending hole for the roller to roll. U-shaped track; the vertical sliding mechanism includes a front vertical sliding mechanism and a rear vertical sliding mechanism, the front vertical sliding mechanism includes a front vertical plate, the vertical of the front vertical plate Both sides are symmetrically provided with rollers rolling in a vertical plane, and the underside of the front vertical plate is symmetrically provided with rollers A for embedding in the driving groove and rolling in the driving groove, and the rear vertical sliding mechanism includes a rear The side vertical plate, the vertical two sides of the rear vertical plate are symmetrically provided with rollers that roll in the vertical plane, and the lower side of the rear vertical plate is symmetrically provided with a drive slot for embedding and in the drive slot Rolling roller A, the connecting ends of the rollers and the frame of the front vertical plate and the rear vertical plate are provided with vertically extending U-shaped tracks for the rollers to roll; the front vertical plate and the The rear vertical plate is provided with a support plate drive cavity for driving the support plate and a clamp plate drive cavity for driving the clamp plate. The left support plate and the right support plate of the goods, the clamping plate includes the left clamping plate and the right clamping plate for rotating and clamping the edge of the goods located on both sides of the penultimate layer of goods; the left support plate and the right The support plate is provided with a guide rod A and a guide rod B on the end far away from the center of the cargo, the guide rod A is located between the guide rod B and the center of the cargo, and the horizontal position of the guide rod A is at the initial level of the support plate Higher than the guide rod B in the state, the left support plate and the right support plate are hinged with the frame through the guide rod B, and the two ends of the guide rod A are inserted into the drive cavity of the support plate and connected to the lower side of the drive cavity of the support plate The horizontal plane is kept in contact, the left support plate and the right support plate are The center is symmetrically arranged on the left and right sides of the bottom of the cargo; the shapes of the left clamping plate and the right clamping plate are both L-shaped, and the upper ends of the left clamping plate and the right clamping plate are provided with guide rods C and guide rods. Rod D, the guide rod D is located between the guide rod C and the cargo center, the horizontal position of the guide rod C is higher than the guide rod D, the left clamping plate and the right clamping plate are both connected by the guide rod D and the machine The frame is hinged, the two ends of the guide rod C are inserted into the drive chamber of the clamping plate, and the left clamping plate and the right clamping plate are symmetrically arranged on the side edges of the penultimate layer of goods with the center of the goods. The lower ends of the clamping plate and the right clamping plate are both elastically connected to the frame through springs; the drive cavity of the support plate includes rectangular notches symmetrically opened on the front vertical plate and the rear vertical plate, and the clamp The tight plate drive chamber includes an L-shaped notch that is vertically and symmetrically opened on the front vertical plate and the rear vertical plate, wherein the horizontal sections of the L-shaped notch are all facing the center of the cargo, and the two ends of the guide rod C The upper part of the L-shaped notch is in contact with the horizontal section and the vertical section of the L-shaped notch after being inserted into the drive cavity of the clamping plate, and the angle between the upper surface of the L-shaped notch that is in contact with the guide rod C and the horizontal plane is 5°; The end of the rod at the output end of the motor is provided with a sensor for detecting the position of the motor, and a detection mechanism for detecting whether there is goods in the storage area is provided between the support plate and the clamping plate. The side wall of the side wall is provided with an article warehouse wall plate, and the frame is composed of a front bracket that slides and fits with the front vertical plate, a rear bracket that slides and fits with the rear vertical plate, a left bracket connected with one end of the spring, The right bracket connected to one end of the spring is screwed, and the left bracket and the right bracket are provided with an L-shaped spring connection seat at the connecting end with the spring, and a number of spring connection holes are opened on the spring connection seat; its use method Include the following steps: (1) Before shipment, the left support plate and right support plate under the bottom layer of goods support the goods, the left clamping plate and right clamping plate of the penultimate layer of goods are in a released state, and the roller A is located on the horizontal section B; (2) When shipping, the detection mechanism detects whether there are goods in the storage area. When the goods are detected, the motor pushes the horizontal sliding mechanism to slide longitudinally backward, and the rollers A in the four driving slots on the horizontal sliding mechanism slide along Sliding down the slope section at the same time; (3) The front vertical plate and the rear vertical plate also slide vertically downward at the same time, and the upper surface hypotenuse of the horizontal section of the L-shaped notch of the front vertical plate and the rear vertical plate pushes the guide rod C to move , the clamping plate rotates around the guide rod D to clamp the edge of the penultimate layer of goods. At the same time, the downward movement of the drive cavity of the support plate drives the guide rod A to move down, and the support plate rotates away from the goods around the guide rod B. The goods start to fall down; (4) The clamping plate is fully clamped, and the bottom goods continue to fall downwards as the support plate continues to turn away. At this time and in the following strokes, the guide rod C is located in the vertical section of the L-shaped notch, not Contact with the hypotenuse on the upper surface of the horizontal section of the L-shaped notch, and the clamping plate is always in a clamping state; (5) When the first half cycle of the motor ends, the support plate is fully opened, the bottom layer of goods falls successfully, and the penultimate layer of goods is continuously clamped, and then the motor starts the second half cycle of operation. During the second half cycle of operation, the horizontal sliding The mechanism slides forward and longitudinally, and the front vertical plate and the rear vertical plate also slide vertically upward at the same time, the clamping plate is still in the clamping state, and the supporting plate turns back in the opposite direction; (6) When the support plate is close to the horizontal position, the clamping plate retracts to the inner side of the article compartment wall under the tension of the spring, the clamped article is released, and the penultimate layer of goods falls onto the support plate, becoming New underlying cargo.