SMT material tray storage bin

Abstract

The SMT material tray storage bin comprises a first material storage area and a second material storage area which are arranged side by side, feeding mechanisms are arranged at the front ends of the first material storage area and the second material storage area and used for conveying materials, the first material storage area serves as a storage unit for storing a single material tray, and the second material storage area serves as a storage unit for storing the single material tray. The second material storage area is used for storing the material strings as storage units, the first material storage area comprises two sets of first material towers which are of the same drawer type structure, and a first sorting manipulator is arranged between the two sets of first material towers and used for grabbing, sorting and storing the material strings in the feeding mechanism; the second material storage area comprises two second material towers of the same structure, each second material tower comprises a material storage frame and a plurality of material storage units installed on the material storage frame, the multiple material storage units are arranged at equal intervals in the vertical direction, and a second sorting manipulator is arranged between the two second material towers. The second sorting mechanical arm carries the material strings in the feeding mechanism into the single material storage unit, and the single material storage unit stores at least two sets of material strings side by side in the transverse direction. According to the SMT material tray storage bin, a three-dimensional stacking material storage frame structure is adopted, single material trays can be stored, material strings can also be stored as storage units, universality is high, the storage unit of the second bin adopts a storage position mode of a conveying line structure, the multiple material strings can be deeply stored, the space is reasonably utilized, and the storage efficiency is improved. And the storage rate is improved.

Description

Technical Field

[0001] The invention relates to the technical field of material storage, in particular to a SMT material tray storage silo. Background Art

[0002] SMT materials are components packaged in chip form. They are small in size, do not require punching holes on printed circuit boards, and are easy to implement automated assembly line welding. However, many SMT materials are currently stored and stacked in tray containers. When it comes to warehousing management of SMT trays, the existing storage space is insufficient and the layout is not reasonable. The storage capacity and logistics transfer capacity are limited, and the efficiency of material storage and retrieval is particularly low. Summary of the invention

[0003] The object of the present invention is to provide a SMT material tray storage silo to solve the technical problems in the background technology.

[0004] To achieve the aforementioned purpose, the present invention provides the following technical solutions:

[0005] A SMT material tray storage silo comprises a first storage area and a second storage area arranged side by side, a feeding mechanism is provided at the front end of the first storage area and the second storage area for conveying materials, the first storage area is used as a storage unit for storing a single tray, and the second storage area is used as a storage unit for storing a material string, the first storage area comprises two groups of first material towers with the same structure as a drawer, a first sorting manipulator is provided between the two groups of the first material towers to grab, sort and store the material strings in the feeding mechanism; the second storage area comprises two groups of second material towers with the same structure, the second material towers comprise storage racks and a plurality of storage units installed on the storage racks, the plurality of storage units are equidistantly arranged in the vertical direction, a second sorting manipulator is provided between the two groups of the second material towers, the second sorting manipulator transports the material string in the feeding mechanism to a single storage unit, and a single storage unit stores at least two groups of material strings side by side in the horizontal direction.

[0006] The second sorting robot includes a lifting mechanism, a translation mechanism and a bidirectional telescopic fork, the lifting mechanism is vertically installed at the front end of the two second material towers, the translation mechanism and the lifting mechanism are driven and installed, the translation mechanism and the bidirectional telescopic fork are driven and installed, the translation mechanism drives the bidirectional telescopic fork to move along the Y-axis direction between the two groups of second material towers, and the bidirectional telescopic fork moves along the left and right direction between the two groups of second material towers to place materials.

[0007] The material storage unit includes a mounting base, a first conveyor belt, a second conveyor belt and a first driving member that drives the first conveyor belt and the second conveyor belt to move synchronously, a support plate is installed between the first conveyor belt and the second conveyor belt, a hollow position is provided at the front end of the support plate near the direction of the bidirectional telescopic fork for the entry of the bidirectional telescopic fork, the first driving member is installed to drive the first conveyor belt, and the first conveyor belt and the second conveyor belt move synchronously through a transmission shaft.

[0008] The support plate is provided with a plurality of detection holes at equal intervals, and sensors are provided correspondingly below the detection holes for detecting the material string.

[0009] The material storage unit further includes a first outer cover, the front and rear ends of the first outer cover are open structures, and the first outer cover covers the first conveyor belt and the second conveyor belt.

[0010] The lifting mechanism includes a first support frame, a first screw and a first motor, the first screw is installed in the first support frame along the vertical direction, the first screw is threadedly connected with a first nut, the first motor drives the first screw to rotate in the first support frame, a first slide rail is also provided in the first support frame, the first slide rail is arranged parallel to the first screw, the first nut is fixedly installed with a translation mechanism, and a first slider is provided on the translation mechanism to slide on the first slide rail; the translation mechanism includes a driving block, a fixed plate, a first rack, a second support frame and a second motor, the driving block is fixedly installed with the fixed plate, the driving block is fixedly installed with the first nut, and the other end of the driving block is fixedly installed with the first slider, the first rack is arranged laterally on the fixed plate along the Y-axis direction, a second slide rail is installed above the first rack and fixed with the fixed plate, the second support frame is equipped with a second slider to slide on the second slide rail, the second motor is fixed in the second support frame, the second motor is installed with a first gear, the first gear is meshed with the first rack for transmission, and the bidirectional telescopic fork is fixed on the second support frame.

[0011] The bidirectional telescopic fork comprises a fork plate and a driving base for driving the fork plate to move left and right, the driving base is fixedly mounted on the second support frame, the driving base comprises a mounting seat, a telescopic arm, a first transmission chain, a second transmission chain and a third motor, the mounting base is a hollow frame structure, the first transmission chain and the second transmission chain are symmetrically mounted front and back in the mounting seat, the first transmission chain and the third motor are driven and mounted, the first transmission chain and the second transmission chain are synchronously transmitted through a transmission rod, the third motor is fixedly mounted on the mounting base, the telescopic arm is provided with two groups, the two groups of telescopic arms are respectively above the first transmission chain and the second transmission chain, either or both of the two groups of telescopic arms are meshed with the first transmission chain or the second transmission chain through the second rack, the fork plate is fixed above the telescopic arm, and an electromagnet is mounted on the fork plate for magnetic attraction and positioning with the material string.

[0012] The feeding mechanism includes an upper conveyor belt, a lower conveyor belt, a first clamping robot and a second clamping robot. The upper conveyor belt is above the lower conveyor belt and arranged parallel to each other. The first clamping robot and the second clamping robot have the same structure. The first clamping robot is fixed on one side of the upper conveyor belt to clamp the material string of the upper conveyor belt, and the second clamping robot is fixed on one side of the lower conveyor belt to clamp the material string of the lower conveyor belt.

[0013] The first clamping robot includes a column, a first Y-axis driving component and a first clamping assembly, the first Y-axis driving component is fixed above the column, the first clamping assembly is driven and installed with the first Y-axis driving component, the first clamping assembly is above the upper conveyor belt, the first clamping assembly includes a fourth motor and a bidirectional cylinder, the two telescopic ends of the bidirectional cylinder are respectively equipped with clamping arms, and a hook is provided under the clamping arm for clamping the material string.

[0014] It also includes an outer shell, which covers the first material storage area, the second material storage area and the feeding mechanism. One end of the outer shell is provided with two first material ports that are connected to the upper conveyor belt and the lower conveyor belt. The other end of the outer shell is provided with two second material ports for conveying a single material tray. The second material ports correspond to the first material tower position on the first material area, and the first material ports are used for conveying a single material tray.

[0015] Compared with the prior art, an SMT material tray storage silo of the present application adopts a three-dimensional stacking storage rack structure, which can store single trays or material strings as storage units. It has strong versatility, and the storage unit of the second silo adopts a storage mode of a conveyor line structure, which can store multiple material strings in depth, rationally utilizes space, and improves storage rate. The first silo also adopts a drawer-type stacking mode. The storage silo of the present application effectively improves the unit area utilization rate and volume ratio of intelligent material storage equipment, and adopts automated handling and sorting for material handling and storage, which greatly reduces labor costs and improves the storage efficiency of SMT trays. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 : A three-dimensional structural diagram of this application;

[0017] Figure 2 : Internal structure diagram of this application;

[0018] Figure 3 : The three-dimensional structure diagram of the first storage area;

[0019] Figure 4 : The three-dimensional structure diagram of the second storage area;

[0020] Figure 5 : Figure 4 A magnified image of point A;

[0021] Figure 6 : Three-dimensional structure diagram of storage unit;

[0022] Figure 7 : Three-dimensional structural diagram of lifting mechanism;

[0023] Figure 8 : Installation structure diagram of translation mechanism and bidirectional telescopic fork;

[0024] Fig. 9 : Side view of the translation mechanism and the installation of the bidirectional telescopic fork;

[0025] Fig.10 : Three-dimensional structure diagram of the two-way telescopic fork extending out;

[0026] Fig.11 : Schematic diagram of the structure of a bidirectional telescopic fork for transporting material strings;

[0027] Fig.12 : Three-dimensional structural diagram of feeding mechanism;

[0028] Fig.13 : A three-dimensional structural diagram of the first clamping assembly;

[0029] Fig.14 : Structural diagram of the material string and material tray used in this application. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0031] Specific embodiment 1: Please refer to Figures 1 to 14 In an embodiment of the present invention, an SMT material tray storage silo includes a shell, a first storage area 2 and a second storage area 3 arranged side by side, a feeding mechanism 10 is provided at the front end of the first storage area 2 and the second storage area 3 for conveying materials, and the shell 1 covers the first storage area 2, the second storage area 3 and the feeding mechanism 10; the first storage area 2 is used as a storage unit for storing a single tray 16, and the second storage area 3 is used as a storage unit for storing a material string 16. The first storage area 2 includes two groups of first material towers 201 with the same drawer-type structure, and a first sorting robot 202 is provided between the two groups of first material towers 201 to grab, sort and store the material string 16 in the feeding mechanism 10; the first material tower 201 and the first sorting robot 202 used in this application use the material tower mechanism and the sorting robot structure of the publication number CN117228195A, which will not be repeated.

[0032] The second material storage area 3 includes two groups of second material towers 4 with the same structure. The second material towers 4 include storage racks and several groups of storage units 5 installed on the storage racks. The several groups of storage units 5 are equidistantly arranged along the vertical direction. A second sorting robot 6 is provided between the two groups of second material towers 4. The second sorting robot 6 transports the material strings 16 in the feeding mechanism 10 to a single storage unit 5. A single storage unit 5 stores at least two groups of material strings 16 side by side in the horizontal direction, that is, multiple material strings 16 are stored in the depth direction of the storage unit 5 for storage. In the present embodiment, two groups of material strings 16 are placed in a single storage unit 5 for storage.

[0033] The second sorting robot 6 includes a lifting mechanism 7, a translation mechanism 8 and a bidirectional telescopic fork 9. The lifting mechanism 7 is vertically installed at the front end of the two second material towers 4. The translation mechanism 8 is driven and installed with the lifting mechanism 7. The translation mechanism 8 is driven and installed with the bidirectional telescopic fork 9. The translation mechanism 8 drives the bidirectional telescopic fork 9 to move along the Y-axis direction between the two groups of second material towers 4. The bidirectional telescopic fork 9 moves along the left and right direction between the two groups of second material towers 4 to place materials.

[0034] The lifting mechanism 7 of the present application includes a first support frame 701, a first screw rod 702 and a first motor (not marked in the figure), the first screw rod 702 is installed in the first support frame 701 along the vertical direction, the first screw rod 702 is threadedly connected with a first nut 703, the first motor drives the first screw rod 702 to rotate in the first support frame 701, and a first slide rail 704 is also provided in the first support frame 701, the first slide rail 704 is arranged parallel to the first screw rod 702, the first nut 703 is fixedly installed with the translation mechanism 8, and the translation mechanism A first slider 705 is provided on the structure 8 to slide on the first slide rail 704, and the first motor drives the first screw rod 702 to rotate, thereby driving the first nut 703 to move up and down on the first screw rod 702, and then driving the translation mechanism 8 to move up and down. In the present application, a secondary slide rail 706 is also provided on the first support frame 701, and the secondary slide rail 706 is arranged along the vertical direction. On the other side of the first support frame 701, a secondary slider 707 is fixed on the first support frame 701 to slide on the secondary slide rail 706. The first slide rail 704 and the auxiliary slide rail 706 are designed to make the entire translation mechanism 8 move up and down more stably and accurately; the translation mechanism 8 includes a driving block 801, a fixed plate 802, a first rack 803, a second support frame 808 and a second motor 804, the driving block 801 is fixedly installed on the fixed plate 802, the driving block 801 is fixedly installed on the first nut 703, and the other end of the driving block 801 is fixedly installed on the first slider 705, the first rack 803 is arranged on the fixed plate 802 in the Y-axis direction, and the second slide is installed above the first rack 803. The rail 806 is fixed to the fixed plate 802, the second support frame 808 is equipped with a second slider 807 which slides on the second slide rail 806, the second motor 804 is fixed in the second support frame 808, the second motor 804 is equipped with a first gear 805, the first gear 805 is meshed with the first rack 803 for transmission, the bidirectional telescopic fork 9 is fixed on the second support frame 808, the second motor 804 drives the first gear 805 to rotate on the rack 803, and then drives the entire second support frame 808 to move in and out between the two second material towers 4.

[0035] The bidirectional telescopic fork 9 includes a fork plate 901 and a driving base 902 for driving the fork plate 901 to move left and right. The driving base 902 is fixedly installed with the second support frame 808. The driving base 902 includes a mounting seat 902-1, a telescopic arm 902-6, a first transmission chain 902-2, a second transmission chain 902-3 and a third motor 902-4. The mounting base 501 is a hollow frame structure. The first transmission chain 902-2 and the second transmission chain 902-3 are symmetrically installed in the mounting seat 902-1. The first transmission chain 902-2 and the third motor 902-4 are driven and installed. The first transmission chain 902-2 and the second transmission chain 902-3 are synchronously transmitted through the transmission rod 902-5, the third motor 902-4 is fixedly installed on the base 501, and there are two groups of telescopic arms 902-6. The two groups of telescopic arms 902-6 are respectively above the first transmission chain 902-2 and the second transmission chain 902-3. Either or both of the two groups of telescopic arms 902-6 are engaged with the first transmission chain 902-2 or the second transmission chain 902-3 through the second rack 902-7. The fork plate 901 is fixed above the telescopic arm 902-6, and an electromagnet 903 is installed on the fork plate 901 to magnetically position the material string 16. During the material picking operation, the third motor 902-4 (forward) drives the first transmission chain 902-2 and the second transmission chain 902-3 to synchronously drive the rack 803 to move toward the storage unit 5 of the second material tower 4. At the same time, the telescopic arm 902-6 drives the fork plate 901 to extend in front of the material unit until the material string 16 is placed on the first conveyor belt 502 and the second conveyor belt 503. The third motor 902-4 is turned off, and the third motor 902-4 is started (reverse), and the fork plate 901 retracts under the action of the first transmission chain 902-2 and the second transmission chain 902-3.

[0036] The material storage unit 5 includes a mounting base 501, a first conveyor belt 502, a second conveyor belt 503 and a first driving member 506 that drives the first conveyor belt 502 and the second conveyor belt 503 to move synchronously. The first driving member 506 is an existing motor structure. A support plate 504 is installed between the first conveyor belt 502 and the second conveyor belt 503. A hollow position is provided at the front end of the support plate 504 near the direction of the two-way telescopic fork 9 for the entry of the two-way telescopic fork 9. The hollow position facilitates the telescopic fork to lift the material string 16 from the bottom for picking up and placing. The first driving member 506 is driven and installed with the first conveyor belt 502, and the first conveyor belt 502 and the second conveyor belt 503 move synchronously through the transmission shaft.

[0037] A plurality of detection holes 504 - 2 are equidistantly provided on the support plate 504 , and sensors are correspondingly provided below the detection holes 504 - 2 for detecting the material string 16 . By providing the sensors, the position and quantity of the material string 16 on the material storage unit 5 can be independently and accurately controlled.

[0038] The material storage unit 5 also includes a first outer cover 505 , the front and rear ends of which are open structures. The first outer cover 505 covers the first conveyor belt 502 and the second conveyor belt 503 . The outer cover can well protect the material string 16 placed therein and prevent foreign matter from entering the material string 16 .

[0039] In the present application, the feeding mechanism 10 includes an upper conveyor belt 11, a lower conveyor belt 12, a first clamping robot 13 and a second clamping robot 14. The upper conveyor belt 11 is above the lower conveyor belt 12 and is arranged parallel to each other. The first clamping robot 13 and the second clamping robot have the same structure. The first clamping robot 13 is fixed on one side of the upper conveyor belt 11 to clamp the material string 16 of the upper conveyor belt 11, and the second clamping robot 14 is fixed on one side of the lower conveyor belt 12 to clamp the material string 16 of the lower conveyor belt 12.

[0040] The first clamping manipulator 13 includes a column 1301, a first Y-axis driving member 1302 and a first clamping assembly 1303. The first Y-axis driving member 1302 is fixed above the column 1301. The first clamping assembly 1303 is driven and installed with the first Y-axis driving member 1302. In this embodiment, the first Y-axis driving member 1302 adopts an existing cylinder structure. The first clamping assembly 1303 is above the upper conveyor belt 11. The first clamping assembly 1303 includes a fourth motor 1303-1 and A two-way cylinder 1303-2, the two telescopic ends of the two-way cylinder 1303-2 are respectively equipped with clamping arms 1303-3, a hook portion 1303-3-1 is provided below the clamping arm 1303-3 for clamping the material string 16, a boss structure 1601 is provided outside the material string 16 for cooperating with the clamping arm 1303-3, the hook portions 1303-2-1 of the two clamping arms 1303-3 are clamped against the position of the boss 1601, and the material string 16 is transferred to the two-way telescopic fork 9 through the first Y-axis driving member 1302.

[0041] Two first material ports 101 are provided at one end of the outer shell 1 and are connected to the upper conveyor belt 11 and the lower conveyor belt 12. Two second material ports 102 are provided at the other end of the outer shell 1 for conveying a single material tray 16. The second material ports 102 correspond to the positions of the first material tower 201 on the first material area. The first material port 101 is used for conveying a single material tray 16. By setting the first material port 101 and the second material port 102, the silo of the present application can be connected to the outside at the same time for feeding or discharging materials, thereby realizing the requirements of automated management.

[0042] Compared with the prior art, an SMT material tray storage silo of the present application adopts a three-dimensional stacking storage rack structure, which can store single trays or material strings as storage units. It has strong versatility, and the storage unit of the second silo adopts a storage mode of a conveyor line structure, which can store multiple material strings in depth, rationally utilizes space, and improves storage rate. The first silo also adopts a drawer-type stacking mode. The storage silo of the present application effectively improves the unit area utilization rate and volume ratio of intelligent material storage equipment, and adopts automated handling and sorting for material handling and storage, which greatly reduces labor costs and improves the storage efficiency of SMT trays.

[0043] It will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A SMT material tray storage silo, characterized by: It includes a first material storage area and a second material storage area arranged side by side, a feeding mechanism is provided at the front end of the first material storage area and the second material storage area for conveying materials, the first material storage area is used as a storage unit for storing a single material tray, and the second material storage area is used as a storage unit for storing material strings, the first material storage area includes two groups of first material towers with the same drawer-type structure, a first sorting manipulator is provided between the two groups of the first material towers to grab, sort and store the material strings in the feeding mechanism; the second material storage area includes two groups of second material towers with the same structure, the second material towers include storage racks and several groups of storage units installed on the storage racks, the several groups of the storage units are equidistantly arranged in the vertical direction, a second sorting manipulator is provided between the two groups of the second material towers, the second sorting manipulator transports the material strings in the feeding mechanism to the single material storage unit, and the single storage unit stores at least two groups of material strings side by side in the horizontal direction.

2. The SMT material tray storage silo according to claim 1, characterized in that: The second sorting robot includes a lifting mechanism, a translation mechanism and a bidirectional telescopic fork, the lifting mechanism is vertically installed at the front end of the two second material towers, the translation mechanism and the lifting mechanism are driven and installed, the translation mechanism and the bidirectional telescopic fork are driven and installed, the translation mechanism drives the bidirectional telescopic fork to move along the Y-axis direction between the two groups of second material towers, and the bidirectional telescopic fork moves along the left and right direction between the two groups of second material towers to place materials.

3. The SMT material tray storage silo according to claim 2, characterized in that: The material storage unit includes a mounting base, a first conveyor belt, a second conveyor belt and a first driving member that drives the first conveyor belt and the second conveyor belt to move synchronously, a support plate is installed between the first conveyor belt and the second conveyor belt, a hollow position is provided at the front end of the support plate near the direction of the bidirectional telescopic fork for the entry of the bidirectional telescopic fork, the first driving member is installed to drive the first conveyor belt, and the first conveyor belt and the second conveyor belt move synchronously through a transmission shaft.

4. The SMT material tray storage silo according to claim 3, characterized in that: The support plate is provided with a plurality of detection holes at equal intervals, and sensors are provided correspondingly below the detection holes for detecting the material string.

5. The SMT material tray storage silo according to claim 4, characterized in that: The material storage unit further includes a first outer cover, the front and rear ends of the first outer cover are open structures, and the first outer cover covers the first conveyor belt and the second conveyor belt.

6. The SMT material tray storage silo according to claim 5, characterized in that: The lifting mechanism includes a first support frame, a first screw and a first motor, the first screw is installed in the first support frame along the vertical direction, the first screw is threadedly connected with a first nut, the first motor drives the first screw to rotate in the first support frame, a first slide rail is also provided in the first support frame, the first slide rail is arranged parallel to the first screw, the first nut is fixedly installed with a translation mechanism, and a first slider is provided on the translation mechanism to slide on the first slide rail; the translation mechanism includes a driving block, a fixed plate, a first rack, a second support frame and a second motor, the driving block is fixedly installed with the fixed plate, the driving block is fixedly installed with the first nut, and the other end of the driving block is fixedly installed with the first slider, the first rack is arranged laterally on the fixed plate along the Y-axis direction, a second slide rail is installed above the first rack and fixed with the fixed plate, the second support frame is equipped with a second slider to slide on the second slide rail, the second motor is fixed in the second support frame, the second motor is installed with a first gear, the first gear is meshed with the first rack for transmission, and the bidirectional telescopic fork is fixed on the second support frame.

7. The SMT material tray storage silo according to claim 6, characterized in that: The bidirectional telescopic fork comprises a fork plate and a driving base for driving the fork plate to move left and right, the driving base is fixedly mounted on the second support frame, the driving base comprises a mounting seat, a telescopic arm, a first transmission chain, a second transmission chain and a third motor, the mounting base is a hollow frame structure, the first transmission chain and the second transmission chain are symmetrically mounted front and back in the mounting seat, the first transmission chain and the third motor are driven and mounted, the first transmission chain and the second transmission chain are synchronously transmitted through a transmission rod, the third motor is fixedly mounted on the mounting base, the telescopic arm is provided with two groups, the two groups of telescopic arms are respectively above the first transmission chain and the second transmission chain, either or both of the two groups of telescopic arms are meshed with the first transmission chain or the second transmission chain through the second rack, the fork plate is fixed above the telescopic arm, and an electromagnet is mounted on the fork plate for magnetic attraction and positioning with the material string.

8. The SMT material tray storage silo according to claim 7, characterized in that: The feeding mechanism includes an upper conveyor belt, a lower conveyor belt, a first clamping robot and a second clamping robot. The upper conveyor belt is above the lower conveyor belt and arranged parallel to each other. The first clamping robot and the second clamping robot have the same structure. The first clamping robot is fixed on one side of the upper conveyor belt to clamp the material string of the upper conveyor belt, and the second clamping robot is fixed on one side of the lower conveyor belt to clamp the material string of the lower conveyor belt.

9. The SMT material tray storage silo according to claim 8, characterized in that: The first clamping robot includes a column, a first Y-axis driving component and a first clamping assembly, the first Y-axis driving component is fixed above the column, the first clamping assembly is driven and installed with the first Y-axis driving component, the first clamping assembly is above the upper conveyor belt, the first clamping assembly includes a fourth motor and a bidirectional cylinder, the two telescopic ends of the bidirectional cylinder are respectively equipped with clamping arms, and a hook is provided under the clamping arm for clamping the material string.

10. An SMT material tray storage silo according to any one of claims 1 to 9, characterized in that: It also includes an outer shell, which covers the first material storage area, the second material storage area and the feeding mechanism. One end of the outer shell is provided with two first material ports that are connected to the upper conveyor belt and the lower conveyor belt. The other end of the outer shell is provided with two second material ports for conveying a single material tray. The second material ports correspond to the first material tower position on the first material area, and the first material ports are used for conveying a single material tray.

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