Intelligent storage lifting mechanism

Abstract

The application discloses an intelligent warehouse lifting mechanism, which comprises a transfer conveying line, an upper conveying line, a middle conveying line and a lower conveying line. The upper conveying line, the middle conveying line and the lower conveying line are located on the side of the transfer conveying line, and the transfer conveying line is flush with the upper conveying line. The transfer conveying line is arranged on a lifting device, and a spring PIN needle is arranged on the lifting device and located below the transfer conveying line. A telescopic spring is arranged between the transfer conveying line and the lifting device. The spring PIN needle can trigger the lifting device to act, so that the transfer conveying line is flush with the upper conveying line, the middle conveying line or the lower conveying line according to the weight of the goods. In this way, the goods are automatically distributed to the conveying lines of corresponding levels, so that workers can layer the goods in the vehicle box according to the weight of the goods. The layering is accurate, and the labor intensity of the workers is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to warehousing technology, in particular to a sorting device of a warehousing equipment. BACKGROUND

[0002] In express warehousing, goods generally need to be sorted. In order to improve the sorting efficiency, full-automatic sorting has been realized in the prior art, but the sorting in the prior art is only sorting the goods according to regions, and all the sorted goods are transported by loading on a truck in a sequence, which will cause the small and light goods to be placed at the bottom of the truck box and the heavy and bulky goods to be placed at the upper part of the truck box, so that the goods are squeezed and deformed, which is not conducive to the stability of the goods. Therefore, in order to improve the stability of the goods loaded on the truck, the workers generally selectively place the heavy goods in the lower space in the truck box in the prior art, but this operation requires the workers to roughly estimate the weight of the goods, which greatly increases the working intensity of the workers when loading the goods and reduces the working efficiency (Patent No. CN219003795U, a sorting device applied in intelligent warehousing, the background technology part of the specification). SUMMARY

[0003] The technical problem solved by the present application is that the workers selectively place the heavy goods in the lower space in the truck box, which requires the workers to roughly estimate the weight of the goods, and the accuracy is not high, and the working intensity is large.

[0004] To solve the above technical problems, the present application provides the following technical scheme: an intelligent warehousing lifting mechanism, comprising a transfer conveying line, an upper conveying line, a middle conveying line and a lower conveying line, the upper conveying line, the middle conveying line and the lower conveying line are located on the side of the transfer conveying line, and the transfer conveying line is flush with the upper conveying line, the transfer conveying line is arranged on a lifting device, a spring PIN needle is arranged on the lifting device, the spring PIN needle is located below the transfer conveying line, and a telescopic spring is arranged between the transfer conveying line and the lifting device;

[0005] The spring PIN needle comprises an upper spring PIN needle, a middle spring PIN needle and a lower spring PIN needle, the upper spring PIN needle and the middle spring PIN needle have a spacing therebetween, and the middle spring PIN needle and the lower spring PIN needle have a spacing therebetween;

[0006] The transfer conveying line is in contact with the upper spring PIN needle, and the transfer conveying line and the upper conveying line operate;

[0007] The upper spring PIN needle is in contact with the middle spring PIN needle, the lifting device drives the transfer conveying line to descend, so that the transfer conveying line is flush with the middle conveying line, and the transfer conveying line and the middle conveying line operate;

[0008] The middle spring PIN needle is in contact with the lower spring PIN needle, the lifting device drives the transfer conveying line to descend, the transfer conveying line is leveled with the lower conveying line, and the transfer conveying line and the lower conveying line operate.

[0009] According to the above technical solution, the lighter object is placed on the transfer conveying line, the transfer conveying line descends, the bottom of the transfer conveying line rack is in contact with the upper spring PIN needle, the transfer conveying line and the upper conveying line operate, the object on the transfer conveying line is transferred to the upper conveying line, and the object is displaced along the upper conveying line.

[0010] The heavier object is placed on the transfer conveying line, the transfer conveying line descends, the bottom of the transfer conveying line rack is in contact with the upper spring PIN needle, the upper spring PIN needle further descends and is in contact with the middle spring PIN needle, the lifting device drives the transfer conveying line to descend, the transfer conveying line is leveled with the middle conveying line, and the transfer conveying line and the middle conveying line operate, the object on the transfer conveying line is transferred to the middle conveying line, and the object is displaced along the middle conveying line.

[0011] The heavier object is placed on the transfer conveying line, the transfer conveying line descends, the bottom of the transfer conveying line rack is in contact with the upper spring PIN needle, the upper spring PIN needle further descends and is in contact with the middle spring PIN needle, the middle spring PIN needle further contacts the lower spring PIN needle, the lifting device drives the transfer conveying line to descend, the transfer conveying line is leveled with the lower conveying line, and the transfer conveying line and the lower conveying line operate, the object on the transfer conveying line is transferred to the lower conveying line, and the object is displaced along the lower conveying line.

[0012] The present application can automatically distribute objects to the upper conveying line, the middle conveying line and the lower conveying line according to the weight of the objects, facilitate workers to place the objects in the vehicle box according to the weight, and not only accurately layer the objects, but also reduce the strength of the workers.

[0013] The transfer conveying line and the upper spring PIN needle are connected in series in the first loop, the first loop is connected in series with a power supply, a first motor and a fourth motor, the first motor is used to drive the upper conveying line, and the fourth motor is used to drive the transfer conveying line. When the transfer conveying line rack descends and is in contact with the upper spring PIN needle, the first loop is conducted, the first motor operates to drive the upper conveying line, and the fourth motor operates to drive the transfer conveying line. The transfer conveying line transfers the object to the upper conveying line.

[0014] The middle transfer conveying line, the upper spring PIN needle and the middle spring PIN needle are connected in series in the second circuit, the second circuit is connected with the power supply, the second motor, the fourth motor and the fifth motor, the series connected second motor and the fourth motor are connected in parallel with the fifth motor, the second motor is used for driving the middle layer conveying line, and the fifth motor is used for driving the lifting device. When the middle transfer conveying line rack is lowered, the upper spring PIN needle is pressed down, the upper spring PIN needle is in contact with the middle spring PIN needle again, the second circuit is conducted, the fifth motor operates, the lifting device drives the middle transfer conveying line to descend, and the middle transfer conveying line is flush with the middle layer conveying line. The second motor drives the middle layer conveying line, the fourth motor drives the middle transfer conveying line, and the middle transfer conveying line transfers the articles to the middle layer conveying line.

[0015] The middle transfer conveying line, the upper spring PIN needle, the middle spring PIN needle and the lower spring PIN needle are connected in series in the third circuit, the third circuit is connected with the power supply, the third motor, the fourth motor and the fifth motor, the series connected third motor and the fourth motor are connected in parallel with the fifth motor, and the third motor is used for driving the lower layer conveying line. When the middle transfer conveying line rack is lowered, the upper spring PIN needle is pressed down, the upper spring PIN needle is pressed down to contact the middle spring PIN needle again, the middle spring PIN needle is in contact with the lower spring PIN needle again, the third circuit is conducted, the fifth motor operates, the lifting device drives the middle transfer conveying line to descend, and the middle transfer conveying line is flush with the lower layer conveying line. The third motor drives the lower layer conveying line, the fourth motor drives the middle transfer conveying line, and the middle transfer conveying line transfers the articles to the lower layer conveying line.

[0016] In the first circuit, the first motor and the fourth motor are connected in series with the first timer. After the middle transfer conveying line rack is in contact with the upper spring PIN needle, the first timer is delayed, and the first motor and the fourth motor do not operate immediately, so as to provide time for the upper spring PIN needle to be in contact with the middle spring PIN needle and the middle spring PIN needle to be in contact with the lower spring PIN needle. When the first timer delay ends, the first motor and the fourth motor operate.

[0017] In the second circuit, the fifth motor is connected in series with the second timer, and the second motor and the fourth motor are connected in series with the third timer. After the second circuit is conducted, the fifth motor operates first to drive the lifting device to descend. The time of the fifth motor operation is controlled by the second timer, when the lifting device makes the middle transfer conveying line flush with the middle layer conveying line, the second timer disconnects the fifth motor from the power supply, and the fifth motor stops. The third timer starts the delay of the second motor and the fourth motor, and when the fifth motor stops, the second motor and the fourth motor start.

[0018] In the third circuit, the fifth motor is connected in series with the fourth timer, and the third motor and the fourth motor are connected in series with the fifth timer. When the third circuit is turned on, the fifth motor operates first to drive the lifting device to descend. The time of operation of the fifth motor is controlled by the fourth timer. When the lifting device makes the transfer conveying line level with the lower conveying line, the fourth timer disconnects the fifth motor from the power supply, and the fifth motor stops. The fifth timer starts a delay for the third motor and the fourth motor, and when the fifth motor stops, the third motor and the fourth motor start.

[0019] In the first circuit, a first normally closed switch is provided, and a first electromagnetic coil of the first normally closed switch is connected in series in the second circuit. In the second circuit, a second normally closed switch is provided, and a second electromagnetic coil of the second normally closed switch is connected in series in the third circuit. When the second circuit is turned on, the first electromagnetic coil is powered, the first normally closed switch is opened, and the first circuit is disconnected. When the third circuit is turned on, the second electromagnetic coil is powered, the second normally closed switch is opened, and the second circuit is disconnected.

[0020] The lifting device comprises a bottom support, a box body, and an upper plate. A lead screw mechanism is arranged between the bottom support and the box body, and is driven by the fifth motor. The upper plate is fixed to the box body, and the extension spring is arranged on the upper plate. The outer thread sleeve of the upper spring PIN needle is screwed on the upper plate, the outer thread sleeve of the middle spring PIN needle is screwed on the first support, and the outer thread sleeve of the lower spring PIN needle is screwed on the second support. The first support and the second support are arranged on the suspension, and the suspension is fixed in the box body. The bottom support is fixedly arranged, and under the driving of the lead screw mechanism, the box body and the transfer conveying line thereon are lifted.

[0021] A spring is sleeved on any spring PIN needle, the spring is fitted in the outer thread sleeve, the top end of the spring PIN needle protrudes out of the outer thread sleeve, in this way, when external force acts on the top end of the spring PIN needle, the spring is compressed, and the bottom end of the spring PIN needle protrudes out of the outer thread sleeve downward. When the external force is removed, the spring PIN needle rises and resets under the action of the spring.

[0022] The lead screw mechanism comprises a lead screw screwed with the bottom support and a guide rod matched with the guide hole of the bottom support. The top of the lead screw is connected with the fifth motor, and the fifth motor is installed in the box body. The top of the guide rod is fixedly connected with the bottom of the box body. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described below with reference to the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the lifting mechanism for intelligent storage;

[0025] Figure 2 It is a schematic diagram when the transfer conveying line 40 is level with the middle conveying line 20;

[0026] Figure 3 This is a schematic diagram showing the intermediate conveyor line 40 and the lower conveyor line 30 aligned.

[0027] Figure 4 for Figure 1 Schematic diagram of the middle box 53;

[0028] Figure 5 This is a circuit diagram of a lifting mechanism for intelligent warehousing.

[0029] Explanation of symbols in the diagram:

[0030] 10. Upper conveyor line; M1. First motor;

[0031] 20. Middle layer conveyor line; M2. Second motor;

[0032] 30. Lower conveyor line; M3. Third motor;

[0033] 40. Transfer conveyor line; M4. Fourth motor; 42. Telescopic spring;

[0034] 50. Lifting device; M5. Fifth motor; 52. Bottom support; 53. Housing; 531. First support; 532. Second support; 533. Suspension; 54. Upper plate; 55. Lead screw; 56. Guide rod;

[0035] 61. Upper spring pin; 62. Middle spring pin; 63. Lower spring pin;

[0036] T1, Timer 1; T2, Timer 2; T3, Timer 3; T4, Timer 4; T5, Timer 5;

[0037] S1, First normally closed switch; S2, Second normally closed switch; S3, Contact switch; S4, Third normally closed switch; K1, First electromagnetic coil; K2, Second electromagnetic coil. Detailed Implementation

[0038] Combination Figure 1 , Figure 4 A smart warehousing lifting mechanism includes a transfer conveyor line 40, an upper conveyor line 10, a middle conveyor line 20, and a lower conveyor line 30. The upper, middle, and lower conveyor lines are located beside the transfer conveyor line and are flush with it. The transfer conveyor line is mounted on a lifting device 50, which is equipped with a spring pin located below the transfer conveyor line. A telescopic spring 42 is provided between the transfer conveyor line and the lifting device.

[0039] The spring PINs include upper spring PINs 61, middle spring PINs 62, and lower spring PINs 63, and the upper spring PINs have a space from the middle spring PINs, and the middle spring PINs have a space from the lower spring PINs.

[0040] The transfer conveying line 40 contacts the upper spring PINs, and the transfer conveying line and the upper conveying line 10 operate.

[0041] The upper spring PINs 61 contact the middle spring PINs 62, the lifting device 50 drives the transfer conveying line 40 to descend to be flush with the middle conveying line 20, and the transfer conveying line and the middle conveying line operate.

[0042] The middle spring PINs 62 contact the lower spring PINs 63, the lifting device 50 drives the transfer conveying line 40 to descend to be flush with the lower conveying line 30, and the transfer conveying line and the lower conveying line operate.

[0043] Lighter articles are placed on the transfer conveying line 40, the transfer conveying line descends, the bottom of the transfer conveying line frame contacts the upper spring PINs 61, the transfer conveying line 40 and the upper conveying line 10 operate, the articles on the transfer conveying line are transferred to the upper conveying line, and the articles are displaced along the upper conveying line.

[0044] Heavier articles are placed on the transfer conveying line 40, the transfer conveying line descends, the bottom of the transfer conveying line frame contacts the upper spring PINs 61, the upper spring PINs descend again to contact the middle spring PINs 62, the lifting device 50 drives the transfer conveying line 40 to descend to be flush with the middle conveying line 20, and the transfer conveying line and the middle conveying line 20 operate, the articles on the transfer conveying line are transferred to the middle conveying line, and the articles are displaced along the middle conveying line 20.

[0045] Heavier articles are placed on the transfer conveying line 40, the transfer conveying line descends, the bottom of the transfer conveying line frame contacts the upper spring PINs 61, the upper spring PINs 61 descend again to contact the middle spring PINs 62, the middle spring PINs contact the lower spring PINs 63, the lifting device 50 drives the transfer conveying line 40 to descend to be flush with the lower conveying line 30, and the transfer conveying line 40 and the lower conveying line 30 operate, the articles on the transfer conveying line are transferred to the lower conveying line, and the articles are displaced along the lower conveying line.

[0046] As Figure 5, the upper spring PIN 61 and the middle spring PIN 62 are connected in series in the second loop, the second loop is connected with the power supply, the second motor M2, the fourth motor M4 and the fifth motor M5, the second motor and the fourth motor are connected in series, and the fifth motor is connected in parallel, the second motor is used to drive the middle layer conveying line 20, and the fifth motor is used to drive the lifting device 50. When the transfer conveying line frame is lowered, the upper spring PIN 61 is pressed down, the upper spring PIN 61 contacts the middle spring PIN 62 again, the second loop is conducted, the fifth motor M5 operates, the lifting device 50 drives the transfer conveying line 40 to descend, and the transfer conveying line 40 is flush with the middle layer conveying line 20. The second motor M2 drives the middle layer conveying line 20, the fourth motor M4 drives the transfer conveying line 40, and the transfer conveying line transfers the articles to the middle layer conveying line.

[0047] , the upper spring PIN 61 and the middle spring PIN 62 are connected in series in the second loop, the second loop is connected with the power supply, the second motor M2, the fourth motor M4 and the fifth motor M5, the second motor and the fourth motor are connected in series, and the fifth motor is connected in parallel, the second motor is used to drive the middle layer conveying line 20, and the fifth motor is used to drive the lifting device 50. When the transfer conveying line frame is lowered, the upper spring PIN 61 is pressed down, the upper spring PIN 61 contacts the middle spring PIN 62 again, the second loop is conducted, the fifth motor M5 operates, the lifting device 50 drives the transfer conveying line 40 to descend, and the transfer conveying line 40 is flush with the middle layer conveying line 20. The second motor M2 drives the middle layer conveying line 20, the fourth motor M4 drives the transfer conveying line 40, and the transfer conveying line transfers the articles to the middle layer conveying line.

[0048] , the upper spring PIN 61 and the middle spring PIN 62 are connected in series in the second loop, the second loop is connected with the power supply, the second motor M2, the fourth motor M4 and the fifth motor M5, the second motor and the fourth motor are connected in series, and the fifth motor is connected in parallel, the second motor is used to drive the middle layer conveying line 20, and the fifth motor is used to drive the lifting device 50. When the transfer conveying line frame is lowered, the upper spring PIN 61 is pressed down, the upper spring PIN 61 contacts the middle spring PIN 62 again, the second loop is conducted, the fifth motor M5 operates, the lifting device 50 drives the transfer conveying line 40 to descend, and the transfer conveying line 40 is flush with the middle layer conveying line 20. The second motor M2 drives the middle layer conveying line 20, the fourth motor M4 drives the transfer conveying line 40, and the transfer conveying line transfers the articles to the middle layer conveying line.

[0049] , the upper spring PIN 61 and the middle spring PIN 62 are connected in series in the second loop, the second loop is connected with the power supply, the second motor M2, the fourth motor M4 and the fifth motor M5, the second motor and the fourth motor are connected in series, and the fifth motor is connected in parallel, the second motor is used to drive the middle layer conveying line 20, and the fifth motor is used to drive the lifting device 50. When the transfer conveying line frame is lowered, the upper spring PIN 61 is pressed down, the upper spring PIN 61 contacts the middle spring PIN 62 again, the second loop is conducted, the fifth motor M5 operates, the lifting device 50 drives the transfer conveying line 40 to descend, and the transfer conveying line 40 is flush with the middle layer conveying line 20. The second motor M2 drives the middle layer conveying line 20, the fourth motor M4 drives the transfer conveying line 40, and the transfer conveying line transfers the articles to the middle layer conveying line.

[0050] When the middle transfer line frame contacts the upper spring PIN needle 61, the first timer T1 delays, and the first motor M1 and the fourth motor M4 do not immediately operate, so as to provide time for the upper spring PIN needle 61 to possibly contact the middle spring PIN needle 62 and the middle spring PIN needle to possibly contact the lower spring PIN needle 63. When the first timer T1 delay ends, the first motor and the fourth motor operate.

[0051] After the second circuit is turned on, the fifth motor M5 first operates to drive the lifting device 50 to descend. The time for the fifth motor to operate is controlled by the second timer T2. When the lifting device 20 makes the middle transfer line 40 level with the middle layer transfer line 20, the second timer disconnects the fifth motor M5 from the power supply, and the fifth motor stops. The third timer T3 starts a delay for the second motor M2 and the fourth motor M4. When the fifth motor M5 stops, the second motor and the fourth motor start.

[0052] After the third circuit is turned on, the fifth motor M5 first operates to drive the lifting device 50 to descend. The time for the fifth motor to operate is controlled by the fourth timer T4. When the lifting device 50 makes the middle transfer line 40 level with the lower layer transfer line 30, the fourth timer T4 disconnects the fifth motor M5 from the power supply, and the fifth motor stops. The fifth timer T5 starts a delay for the third motor M3 and the fourth motor M4. When the fifth motor stops, the third motor and the fourth motor start.

[0053] In the first circuit, a first normally closed switch S1 is provided, and a first electromagnetic coil K1 of the first normally closed switch is connected in series in the second circuit. In the second circuit, a second normally closed switch S2 is provided, and a second electromagnetic coil K2 of the second normally closed switch is connected in series in the third circuit.

[0054] When the second circuit is turned on, the first electromagnetic coil K1 is powered, the first normally closed switch S1 is opened, and the first circuit is disconnected. When the third circuit is turned on, the second electromagnetic coil K2 is powered, the second normally closed switch S2 is opened, and the second circuit is disconnected.

[0055] In combination Figure 1 , Figure 4 , the lifting device 50 includes a bottom support 52, a box body 53, and an upper plate 54. A screw rod mechanism is provided between the bottom support and the box body, and the screw rod mechanism is driven by the fifth motor M5. The upper plate is fixed on the box body, and the telescopic spring 42 is arranged on the upper plate. The outer threaded sleeve of the upper spring PIN needle 61 is screwed on the upper plate, the outer threaded sleeve of the middle spring PIN needle 62 is screwed on the first support 531, and the outer threaded sleeve of the lower spring PIN needle 63 is screwed on the second support 532. The first support and the second support are arranged on a suspension 533, and the suspension is fixed in the box body.

[0056] The screw mechanism comprises a screw rod 55 screwed with the bottom support 52, a guide rod 56 matched with the guide hole on the bottom support, the top of the screw rod is connected with the fifth motor M5, the fifth motor is installed in the box 53, and the top of the guide rod is fixedly connected with the bottom of the box. The bottom support 52 is fixedly arranged, and under the driving of the screw mechanism, the box 53 and the transfer conveying line 40 thereon are lifted.

[0057] The side wall of the box 53 is provided with an upwardly extending connecting piece, the connecting piece is provided with a contact switch S3, the contact switch is located above the transfer conveying line, the bottom end of the guide rod is provided with a third normally closed switch S4, the contact switch, the third normally closed switch, the transfer conveying line rack, the power supply and the fifth motor are connected in series in the fourth circuit. When there is no article on the transfer conveying line 40, under the action of the extension spring, the transfer conveying line rack is in contact with the contact switch, the fourth circuit is conducted, the fifth motor operates, the screw mechanism is driven, the screw mechanism drives the box 53 and the transfer conveying line 40 thereon to rise and reset. When the transfer conveying line is flush with the upper conveying line 10, the third normally closed switch at the bottom end of the guide rod 56 is in contact with the bottom support 52, the third normally closed switch is opened, the fourth circuit is disconnected, the fifth motor is stopped, and the transfer conveying line 40 stays at the initial position.

[0058] The above is only the preferred embodiment of the present application, and for those skilled in the art, the specific embodiment and application range can be changed according to the idea of the present application, and the content of the description should not be understood as the limitation of the present application.

Claims

1. A lifting mechanism for intelligent warehousing, comprising a transfer conveying line (40), an upper conveying line (10), a middle conveying line (20) and a lower conveying line (30), the upper conveying line, the middle conveying line and the lower conveying line being located on the side of the transfer conveying line, and the transfer conveying line being flush with the upper conveying line, the transfer conveying line being arranged on a lifting device (50), characterized in that: The lifting device is provided with spring PIN needles, the spring PIN needles are located below the transfer conveying line, and the transfer conveying line is provided with a telescopic spring (42) between the transfer conveying line and the lifting device; ​ The spring PIN needles comprise upper spring PIN needles (61), middle spring PIN needles (62) and lower spring PIN needles (63), the upper spring PIN needles and the middle spring PIN needles have a spacing therebetween, and the middle spring PIN needles and the lower spring PIN needles have a spacing therebetween; The transfer conveying line (40) is in contact with the upper spring PIN needles, and the transfer conveying line and the upper conveying line (10) operate; The upper spring PIN needles (61) are in contact with the middle spring PIN needles (62), the lifting device (50) drives the transfer conveying line to descend, so that the transfer conveying line is flush with the middle conveying line (20), and the transfer conveying line and the middle conveying line operate; The middle spring PIN needles (62) are in contact with the lower spring PIN needles (63), the lifting device (50) drives the transfer conveying line (40) to descend, so that the transfer conveying line is flush with the lower conveying line (30), and the transfer conveying line and the lower conveying line operate.

2. The lifting mechanism for intelligent storage according to claim 1, characterized in that: The transfer conveying line (40) and the upper spring PIN needles (61) are connected in series in a first loop, the first loop is connected with a power supply, a first motor (M1) and a fourth motor (M4), the first motor is used for driving the upper conveying line (10), and the fourth motor is used for driving the transfer conveying line (40); The transfer conveying line (40), the upper spring PIN needles (61) and the middle spring PIN needles (62) are connected in series in a second loop, the second loop is connected with the power supply, a second motor (M2), the fourth motor (M4) and a fifth motor (M5), the second motor and the fourth motor are connected in series, and the fifth motor is connected in parallel, the second motor is used for driving the middle conveying line (20), and the fifth motor is used for driving the lifting device (50); The transfer conveying line (40), the upper spring PIN needles (61), the middle spring PIN needles (62) and the lower spring PIN needles (63) are connected in series in a third loop, the third loop is connected with the power supply, a third motor (M3), the fourth motor (M4) and the fifth motor (M5), the third motor and the fourth motor are connected in series, and the fifth motor is connected in parallel, and the third motor is used for driving the lower conveying line (30).

3. The lifting mechanism for intelligent storage according to claim 2, characterized in that: In the first loop, the first motor (M1) and the fourth motor (M4) are connected in series with a first timer (T1); In the second loop, the fifth motor (M5) is connected in series with a second timer (T2), and the second motor (M2) and the fourth motor (M4) are connected in series with a third timer (T3); In the third loop, the fifth motor (M5) is connected in series with a fourth timer (T4), and the third motor (M3) and the fourth motor are connected in series with a fifth timer (T5).

4. The intelligent storage lifting mechanism according to claim 2, characterized in that: In the first loop, a first normally closed switch (S1) is arranged, a first electromagnetic coil (K1) of the first normally closed switch is connected in series in the second loop, in the second loop, a second normally closed switch (S2) is arranged, and a second electromagnetic coil (K2) of the second normally closed switch is connected in series in the third loop.

5. The intelligent storage lifting mechanism according to claim 1, characterized in that: The lifting device (50) comprises a bottom support (52), a box (53) and an upper plate (54), a screw rod mechanism is arranged between the bottom support and the box, the screw rod mechanism is driven by a fifth motor (M5), the upper plate is fixed on the box, and the telescopic spring (42) is arranged on the upper plate; an outer threaded sleeve of an upper spring PIN needle (61) is screwed on the upper plate, an outer threaded sleeve of a middle spring PIN needle (62) is screwed on a first support (531), and an outer threaded sleeve of a lower spring PIN needle (63) is screwed on a second support (532); the first support and the second support are arranged on a suspension (533), and the suspension is fixed in the box.

6. The intelligent storage lifting mechanism according to claim 5, characterized in that: The screw rod mechanism comprises a screw rod (55) screwed with the bottom support (52) and a guide rod (56) matched with a guide hole on the bottom support, the top of the screw rod is connected with the fifth motor (M5), and the fifth motor is installed in the box (53); and the top of the guide rod is fixedly connected with the bottom of the box.

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