Stacking machine stock bin for feeding and discharging of heavy workpiece machine tool

Abstract

The stacking machine stock bin comprises a storage stock bin, a loading and unloading station, the machine tool and a transport cart, the storage stock bin is used for storing to-be-machined or machined heavy workpieces, the loading and unloading station is used for temporarily storing the machined or to-be-machined heavy workpieces, and when the to-be-machined heavy workpieces are stored in the loading and unloading station, the to-be-machined heavy workpieces are stored in the loading and unloading station; an operator sets corresponding data for the control system according to the machining technology, the machine tool conducts automatic machining operation on the heavy workpieces to be machined according to instructions issued by the control system, the transport vehicle is used for transporting the heavy workpieces to the corresponding positions, and circulation of the heavy workpieces among the loading and unloading station, the machine tool and the storage bin is completed. The second conveying assembly is matched with the first conveying assembly to achieve storage, conveying, feeding and discharging of workpieces, the process that the workpieces are separated from trays is avoided, the workpiece processing time is remarkably shortened, and the overall machining efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool auxiliary equipment, in particular to a stacker silo for loading and unloading heavy workpiece machine tools. Background Art

[0002] In the process of heavy workpiece processing, loading and unloading of machine tools is an important part of the automated production line. Traditional palletizer systems mostly use telescopic forks and pallets to pick up and place workpieces. Although this method has achieved automation to a certain extent, it has many limitations.

[0003] For example, the workpiece needs to be fixed on a pallet during transportation. In this way, after the workpiece is transported to the loading and unloading area of ​​the machine tool, a corresponding disassembly device needs to be set on the machine tool to separate the workpiece from the pallet, resulting in low processing efficiency of the entire workpiece. Therefore, a palletizer silo for loading and unloading heavy workpieces on machine tools is proposed. Summary of the invention

[0004] The object of the present invention is to provide a stacker silo for loading and unloading heavy workpieces from a machine tool, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a stacker silo for loading and unloading heavy workpieces from a machine tool, comprising:

[0006] A storage silo, wherein the storage silo is used to store heavy workpieces to be processed or processed;

[0007] A loading and unloading station, which is used to temporarily store heavy workpieces that have been processed or are to be processed. When the heavy workpieces to be processed are stored in the loading and unloading station, the operator sets corresponding data to the control system according to the processing technology;

[0008] A machine tool, wherein the machine tool automatically processes the heavy workpiece to be processed according to the instructions issued by the control system;

[0009] A transport vehicle is used to transport heavy workpieces to corresponding locations and complete the flow of heavy workpieces between the loading and unloading station, the machine tool and the storage silo. Both the machine tool and the transport vehicle are controlled by the control system.

[0010] In a stacker silo for loading and unloading heavy workpieces from a machine tool according to the present invention, optionally, a plurality of storage silos are provided, and the plurality of storage silos are distributed on the side of the transport vehicle, and the storage silo includes a material rack, and the material rack is provided with a plurality of second transmission components for storing and moving heavy workpieces;

[0011] The second transmission assembly includes a second transmission frame, two of which are provided, and the two second transmission frames are fixedly mounted on the material frame, a plurality of second transmission rollers are rotatably mounted between the two second transmission frames, and the second transmission shafts at the ends of two adjacent second transmission rollers are connected by a second synchronous wheel and a second synchronous belt.

[0012] The second transmission assembly is installed on both the loading and unloading area of ​​the machine tool and the loading and unloading station.

[0013] In a stacker silo for loading and unloading heavy workpieces from a machine tool according to the present invention, optionally, the transport vehicle includes an X-axis drive mechanism, a Y-axis drive mechanism is mounted on the X-axis drive mechanism, a Z-axis drive mechanism is mounted on the Y-axis drive mechanism, and a first transmission component for transferring the heavy workpiece on the second transmission component is mounted on the Z-axis drive mechanism.

[0014] In a stacker silo for loading and unloading heavy workpiece machine tools according to the present invention, optionally, the X-axis drive mechanism includes a base, the top of the base is fixedly connected to an X-axis slide rail and a rack, the X-axis slide rail is slidably connected to an X-axis moving seat, an X-axis drive motor is fixedly installed at one end of the top of the X-axis moving seat, and the lower end of the rotating shaft of the X-axis drive motor is fixedly connected to a drive gear, and the drive gear is meshed with the rack.

[0015] In a stacker material bin for loading and unloading materials on a heavy-duty workpiece machine tool according to the present invention, optionally, the Y-axis driving mechanism comprises a supporting frame, a Y-axis movable seat and a connecting shaft, and the supporting frames are provided with two, and the two supporting frames are fixedly mounted on the X-axis movable seat, and screw rods are rotatably mounted on the two supporting frames, and the two ends of the Y-axis movable seat are respectively threaded and rotatably connected to the two screw rods, and a Y-axis driving motor is fixedly mounted on the top of the X-axis movable seat, and the lower ends of the two screw rods are fixedly connected to worm wheels, and the two ends of the connecting shaft are fixedly connected to worms, and the two worms are respectively meshed with their corresponding worm wheels, and the end of the worm away from the connecting shaft is rotatably connected to the supporting frame through a bearing, and the rotating shaft of the Y-axis driving motor is fixedly connected to one end of one of the worms through a coupling, and a guide column is fixedly connected to the supporting frame, and the Y-axis movable seat is slidably sleeved on the guide column.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention realizes storage, transportation, loading and unloading of workpieces by cooperating with the first transmission component through the second transmission component, thereby avoiding the process of separating the workpiece from the pallet, significantly shortening the workpiece processing time, and improving the overall processing efficiency;

[0018] The entire system is highly integrated and centrally dispatched by the control system. The transport vehicle can automatically transport heavy workpieces to the loading and unloading station, machine tools and storage silos without manual intervention, which reduces labor intensity and improves the level of automation.

[0019] The material blocking mechanism can effectively limit the position of heavy workpieces during transmission to prevent them from falling, thus improving the safety of operation.

[0020] Both the first transmission component and the second transmission component use a synchronous belt and a synchronous wheel to achieve transmission, ensuring the smoothness and efficiency of the transmission; at the same time, through the transmission mechanism set up, the first transmission roller can drive the second transmission roller to rotate synchronously without the need for an additional power source, further improving the overall transmission efficiency of the system, reducing equipment manufacturing costs, and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0022] Figure 2 It is a structural schematic diagram of a storage bin of a stacker bin for loading and unloading heavy workpiece machine tools according to the present invention;

[0023] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A;

[0024] Figure 4 It is a schematic cross-sectional structure diagram of a second transmission component in a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0025] Figure 5 This is one of the partial cross-sectional structural schematic diagrams of a transport vehicle in a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0026] Figure 6 The second schematic diagram of the partial cross-section structure of a transport vehicle in a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0027] Figure 7 for Figure 6 A magnified view of part B in FIG.

[0028] Figure 8 The third schematic diagram of the partial cross-sectional structure of a transport vehicle in a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0029] Fig. 9 It is a structural schematic diagram of a first transmission component in a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0030] Fig.10It is a schematic cross-sectional structure diagram of a first transmission component in a stacker bin for loading and unloading heavy workpieces in a machine tool according to the present invention;

[0031] Fig.11 for Fig.10 Schematic diagram of the enlarged structure of part C;

[0032] Fig.12 It is a structural schematic diagram of a first transmission assembly and a material blocking mechanism in a stacker bin for loading and unloading heavy-duty workpiece machine tools according to the present invention;

[0033] Fig.13 It is a schematic diagram of a partial explosion structure of a material blocking mechanism in a stacker bin for loading and unloading heavy workpieces in a machine tool of the present invention;

[0034] Fig.14 The present invention is a schematic structural diagram of a telescopic material blocking rod in a stacker bin for loading and unloading heavy workpieces on a machine tool.

[0035] In the figure: 1, storage silo; 101, material rack; 102, second transmission assembly; 1021, second transmission rack; 1022, second transmission roller; 10221, second transmission shaft; 10222, second synchronous belt;

[0036] 2. Loading and unloading station;

[0037] 3. Machine tools;

[0038] 4. Transport vehicle;

[0039] 401, X-axis driving mechanism; 4011, base; 4012, X-axis slide rail; 4013, rack; 4014, X-axis moving seat; 4015, X-axis driving motor; 4016, driving gear;

[0040] 402, Y-axis driving mechanism; 4021, supporting frame; 4022, lead screw; 4023, Y-axis moving seat; 4024, guide column; 4025, connecting shaft; 4026, worm; 4027, worm wheel; 4028, Y-axis driving motor;

[0041] 403, Z-axis driving mechanism;

[0042] 404, first transmission assembly; 4041, first transmission frame; 4042, first transmission roller; 40421, first transmission shaft; 40422, first synchronous belt; 4043, transmission motor;

[0043] 405, material blocking mechanism; 4051, fixed seat; 4052, lifting seat; 4053, electric push rod; 4054, material blocking telescopic rod; 40541, sleeve; 40542, sliding block; 40543, blocking rod; 40544, spring;

[0044] 5. Transmission mechanism; 501. Housing; 502. Third synchronous belt; 503. Third transmission shaft; 504. Copper rotor; 505. Permanent magnet rotor. DETAILED DESCRIPTION

[0045] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0046] Example

[0047] See also Figures 1 to 14 , this embodiment provides the following technical solutions:

[0048] A stacker silo for loading and unloading heavy workpieces on a machine tool comprises: a storage silo 1, a loading and unloading station 2, a machine tool 3 and a transport vehicle 4.

[0049] Wherein, the storage silo 1 is used to store heavy workpieces to be processed or processed;

[0050] The loading and unloading station 2 is used to temporarily store heavy workpieces that have been processed or are to be processed. When the heavy workpieces to be processed are stored in the loading and unloading station 2, the operator sets corresponding data to the control system according to the processing technology;

[0051] Among them, the machine tool 3 performs automatic processing operations on the heavy workpiece to be processed according to the instructions issued by the control system;

[0052] Among them, the transport vehicle 4 is used to transport the heavy workpieces to the corresponding positions and complete the flow of heavy workpieces between the loading and unloading station 2, the machine tool 3 and the storage silo 1. The machine tool 3 and the transport vehicle 4 are both controlled by the control system.

[0053] In this embodiment, a plurality of storage silos 1 are provided, and the plurality of storage silos 1 are distributed on the side of the transport vehicle 4. The storage silos 1 include a material rack 101, and a plurality of second transmission components 102 for storing and moving heavy workpieces are provided on the material rack 101;

[0054] The second transmission assembly 102 includes a second transmission frame 1021, two second transmission frames 1021 are provided, and the two second transmission frames 1021 are fixedly mounted on the material frame 101, and a plurality of second transmission rollers 1022 are rotatably mounted between the two second transmission frames 1021, and the second transmission shafts 10221 at the ends of two adjacent second transmission rollers 1022 are connected for transmission through a second synchronous wheel and a second synchronous belt 10222;

[0055] The second transmission assembly 102 is installed on both the loading and unloading area of ​​the machine tool 3 and the loading and unloading station 2 .

[0056] The second transmission assembly 102 installed on the material rack 101 and the loading and unloading area of ​​the machine tool 3 and the loading and unloading station 2 facilitates the transfer and placement of heavy workpieces.

[0057] In this embodiment, the transport vehicle 4 includes an X-axis drive mechanism 401, a Y-axis drive mechanism 402 is installed on the X-axis drive mechanism 401, a Z-axis drive mechanism 403 is installed on the Y-axis drive mechanism 402, and a first transmission component 404 for transferring heavy workpieces on the second transmission component 102 is installed on the Z-axis drive mechanism 403.

[0058] Among them, the X-axis driving mechanism 401 includes a base 4011, the top of the base 4011 is fixedly connected with an X-axis slide rail 4012 and a rack 4013, the X-axis slide rail 4012 is slidably connected with an X-axis moving seat 4014, and an X-axis driving motor 4015 is fixedly installed on one end of the top of the X-axis moving seat 4014. The lower end of the rotating shaft of the X-axis driving motor 4015 is fixedly connected with a driving gear 4016, and the driving gear 4016 is meshed with the rack 4013. The X-axis driving mechanism 401 with the above-mentioned arrangement can drive the X-axis moving seat 4014 to move along the X-axis by controlling the rotating shaft of the X-axis driving motor 4015 to rotate forward or reverse, and cooperate with the driving gear 4016 and the rack 4013.

[0059] The Y-axis driving mechanism 402 includes a support frame 4021, a Y-axis moving seat 4023 and a connecting shaft 4025. Two support frames 4021 are provided. The two support frames 4021 are fixedly mounted on the X-axis moving seat 4014. The two support frames 4021 are rotatably mounted with screw rods 4022. The two ends of the Y-axis moving seat 4023 are respectively connected to the two screw rods 4022 by threaded rotation. The top of the X-axis moving seat 4014 is fixedly mounted with a Y-axis driving motor 4028. The lower ends of the two screw rods 4022 are fixed. A worm wheel 4027 is connected, and both ends of the connecting shaft 4025 are fixedly connected with worms 4026. The two worms 4026 are respectively meshed with their corresponding worm wheels 4027. The end of the worm 4026 away from the connecting shaft 4025 is rotatably connected to the support frame 4021 through a bearing. The rotating shaft of the Y-axis drive motor 4028 is fixedly connected to one end of one of the worms 4026 through a coupling. A guide column 4024 is fixedly connected to the support frame 4021, and the Y-axis moving seat 4023 is slidably sleeved on the guide column 4024.

[0060] When the Y-axis driving mechanism 402 adopts the above-mentioned scheme, by controlling the rotating shaft of the Y-axis driving motor 4028 to rotate forward or reverse, the screw rod 4022 can be driven to rotate through the worm 4026 and the worm wheel 4027, and the rotating screw rod 4022 can drive the Y-axis moving seat 4023 to move upward or downward.

[0061] Among them, the Z-axis driving mechanism 403 is fixedly installed on the Y-axis moving seat 4023, the Z-axis driving mechanism 403 is a bidirectional telescopic fork, and the first transmission component 404 is installed on the support arm of the bidirectional telescopic fork. The bidirectional telescopic fork is set to facilitate the transportation of heavy workpieces on both sides of the transport vehicle 4.

[0062] In this embodiment, the first transmission component 404 includes a first transmission frame 4041, and two first transmission frames 4041 are provided. The two first transmission frames 4041 are respectively fixed on the top of the two supporting arms of the bidirectional telescopic fork, and a plurality of first transmission rollers 4042 are rotatably installed between the two first transmission frames 4041. The first transmission shafts 40421 at the ends of two adjacent first transmission rollers 4042 are connected by a first synchronous belt 40422 and a first synchronous wheel for transmission. A transmission motor 4043 for driving the first transmission roller 4042 to rotate is fixedly installed on one side of one of the first transmission frames 4041. Both ends of one of the supporting arms of the bidirectional telescopic fork are provided with a transmission mechanism 5. The first transmission component 404 drives the second transmission component 102 to rotate through the transmission mechanism 5, wherein the transmission mechanism 5 includes a housing 5 01, a first transmission shaft 40421 at one end of one of the first transmission rollers 4042 rotates and extends into the interior of the shell 501, a third transmission shaft 503 is rotatably installed inside the shell 501, one end of the third transmission shaft 503 rotates and passes through the interior of the shell 501 and is fixedly connected with a copper rotor 504, the first transmission shaft 40421 extending into the shell 501 and the third transmission shaft 503 are connected through a third synchronous belt 502 and a third synchronous wheel for transmission, an end of the second transmission shaft 10221 at one end of one of the second transmission rollers 1022 on the second transmission component 102 rotates and passes through the second transmission frame 1021 and is fixedly connected with the permanent magnet rotor 505, the copper rotor 504 and the permanent magnet rotor 505 can form a magnetic coupler, so that the rotating first transmission roller 4042 drives the second transmission roller 1022 to rotate.

[0063] By adopting the above technical solution, when in use, the shaft of the X-axis drive motor 4015 is controlled to rotate, and the first transmission component 404 is moved to the X-axis coordinate point where the workpiece needs to be picked up and placed, and then the shaft of the Y-axis drive motor 4028 is controlled to rotate, and the first transmission component 404 is moved to the Y-axis coordinate point where the workpiece needs to be picked up and placed, and then the support arm of the bidirectional telescopic fork is controlled to extend, and one end of the first transmission component 404 is moved to one end of the second transmission component 102 where the workpiece needs to be picked up and placed, so that the permanent magnet rotor 505 and the copper rotor 504 form a magnetic coupler. At this time, the shaft of the transmission motor 4043 is controlled to rotate forward, so that the workpiece on the first transmission component 404 can be transferred to the second transmission component 102. Conversely, the shaft of the transmission motor 4043 is controlled to rotate reversely, and then the heavy workpiece on the second transmission component 102 can be transported to the first transmission component 404.

[0064] In this embodiment, in order to prevent heavy workpieces from slipping off the first transmission component 404 during transportation, a material blocking mechanism 405 is provided. The material blocking mechanism 405 is provided between the two supporting arms of the bidirectional telescopic fork. The material blocking mechanism 405 includes a fixed seat 4051 and a lifting seat 4052. The fixed seat 4051 is fixed between the two supporting arms of the bidirectional telescopic fork. The lifting seat 4052 is provided between the fixed seat 4051 and the first transmission roller 4042. An electric push rod 4053 is fixedly installed on the fixed seat 4051. The top of the piston rod of the electric push rod 4053 is fixedly connected to the bottom of the lifting seat 4052. Guide holes 40511 are provided at the four corners of the fixed seat 4051. The four bottom corners of the lifting seat 4052 are fixedly connected with guide rods 40521. The lower ends of the guide rods 40521 slide through the guide holes 40511. The top of the lifting seat 4052 is fixedly connected to the It is connected to a plurality of material-blocking telescopic rods 4054, which are arranged in a gap between two adjacent first transmission rollers 4042. The upper end of the material-blocking telescopic rod 4054 can extend out of the gap between two adjacent first transmission rollers 4042 to limit the heavy workpiece on the first transmission component 404. The material-blocking telescopic rod 4054 includes a sleeve 40541, which is fixed to the top of the lifting seat 4052. A sliding block 40542 is slidably arranged inside the sleeve 40541. A blocking rod 40543 is fixedly connected to the top of the sliding block 40542. The upper end of the blocking rod 40543 can slide out of the interior of the sleeve 40541. A spring 40544 is arranged inside the sleeve 40541. The top of the spring 40544 is against the bottom of the sliding block 40542, and the bottom of the spring 40544 is pressed against the inner bottom of the sleeve 40541.

[0065] When the material blocking mechanism 405 with the above structure is used, when the first transmission component 404 is taking materials, the piston rod of the electric push rod 4053 is first controlled to retract, so that the lifting seat 4052 moves downward, and then the upper end of the blocking rod 40543 is moved to the gap between the two first transmission rollers 4042. That is to say, at this time, the top of the blocking rod 40543 is lower than the upper surface of the first transmission roller 4042, so that the heavy workpiece can be smoothly transferred to the first transmission component 404, and then the piston rod of the electric push rod 4053 is controlled to extend, so that the lifting seat 4052 moves upward. At this time, the blocking rod 40543 located directly below the heavy workpiece is squeezed by the heavy workpiece, so that the blocking rod 40543 is pressed into the sleeve 4054. 1, and the blocking rod 40543 located outside the heavy workpiece smoothly extends from the gap between the two first transmission rollers 4042, so that the upper end of the blocking rod 40543 limits the side of the heavy workpiece, effectively preventing the heavy workpiece from falling from the first transmission component 404. When the heavy workpiece on the first transmission component 404 needs to be transferred out, the piston rod of the electric push rod 4053 is controlled to retract, so that the lifting seat 4052 moves downward, and then the upper end of the blocking rod 40543 is moved into the gap between the two first transmission rollers 4042. That is to say, at this time, the top of the blocking rod 40543 is lower than the upper surface of the first transmission roller 4042, so that the heavy workpiece can be smoothly transferred to the second transmission component 102.

[0066] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation mode of the present invention in the actual process is described in detail below.

[0067] The specific steps include:

[0068] STEP 1: Place the heavy workpiece to be processed on the second transmission assembly 102 of the loading and unloading station 2, and enter the corresponding data into the control system according to the processing technology;

[0069] STEP 2: The control system dispatches the transport vehicle 4 to place the heavy workpieces to be processed into the storage silo 1 for storage according to the information of the loading and unloading station 2;

[0070] STEP 3: The control system dispatches the transport vehicle 4 to transport the corresponding heavy workpiece to be processed to the loading and unloading area of ​​the machine tool 3 according to the production arrangement and the operation status of the machine tool 3;

[0071] STEP 4: Machine tool 3 recognizes the heavy workpiece information, selects the corresponding processing plan according to the relevant information, and starts the processing operation;

[0072] STEP5: Adopt corresponding control strategies according to the monitoring information fed back from the process to meet the quality control requirements;

[0073] STEP 6: After the processing is completed, the machine tool 3 feeds back information to the control system, which instructs the transport vehicle 4 to take away the processed heavy parts;

[0074] STEP7: Combined with the production scheduling, place the processed heavy workpieces into the storage silo 1 or loading and unloading station, and notify the operator to process the products to complete the entire workflow.

[0075] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stacker silo for loading and unloading heavy workpieces from a machine tool, characterized in that: include: A storage silo (1), wherein the storage silo (1) is used to store heavy workpieces to be processed or processed; A loading and unloading station (2), the loading and unloading station (2) is used to temporarily store heavy workpieces that have been processed or are to be processed. When the heavy workpieces to be processed are stored in the loading and unloading station (2), the operator sets corresponding data to the control system according to the processing technology; A machine tool (3), wherein the machine tool (3) automatically processes the heavy workpiece to be processed according to instructions issued by the control system; A transport vehicle (4), wherein the transport vehicle (4) is used to transport heavy workpieces to corresponding locations and complete the flow of heavy workpieces between the loading and unloading station (2), the machine tool (3) and the storage silo (1); the machine tool (3) and the transport vehicle (4) are both controlled by the control system.

2. A stacker silo for loading and unloading heavy workpieces according to claim 1, characterized in that: The storage silos (1) are provided in plurality, and the plurality of storage silos (1) are distributed on the side of the transport vehicle (4). The storage silos (1) include a material rack (101), and the material rack (101) is provided with a plurality of second transmission components (102) for storing and moving heavy workpieces.

3. A stacker silo for loading and unloading heavy workpieces according to claim 2, characterized in that: The second transmission component (102) comprises a second transmission frame (1021), two second transmission frames (1021) are provided, and the two second transmission frames (1021) are fixedly mounted on the material frame (101), a plurality of second transmission rollers (1022) are rotatably mounted between the two second transmission frames (1021), and the second transmission shafts (10221) at the ends of two adjacent second transmission rollers (1022) are connected for transmission via a second synchronous wheel and a second synchronous belt (10222).

4. A stacker silo for loading and unloading heavy workpieces according to claim 3, characterized in that: The second transmission component (102) is installed on both the loading and unloading area of ​​the machine tool (3) and the loading and unloading station (2).

5. A stacker silo for loading and unloading heavy workpieces according to claim 4, characterized in that: The transport vehicle (4) comprises an X-axis drive mechanism (401), a Y-axis drive mechanism (402) is mounted on the X-axis drive mechanism (401), a Z-axis drive mechanism (403) is mounted on the Y-axis drive mechanism (402), and a first transmission component (404) for transferring heavy workpieces on the second transmission component (102) is mounted on the Z-axis drive mechanism (403).

6. A stacker silo for loading and unloading heavy workpieces according to claim 5, characterized in that: The X-axis driving mechanism (401) comprises a base (4011), the top of the base (4011) is fixedly connected with an X-axis slide rail (4012) and a rack (4013), and the X-axis slide rail (4012) is slidably connected with an X-axis moving seat (4014).

7. A stacker silo for loading and unloading heavy workpieces according to claim 6, characterized in that: An X-axis driving motor (4015) is fixedly mounted on one end of the top of the X-axis moving seat (4014), and a driving gear (4016) is fixedly connected to the lower end of the rotating shaft of the X-axis driving motor (4015), and the driving gear (4016) is meshed with the rack (4013).

8. A stacker silo for loading and unloading heavy workpieces according to claim 7, characterized in that: The Y-axis driving mechanism (402) comprises a support frame (4021), a Y-axis moving seat (4023) and a connecting shaft (4025), wherein two support frames (4021) are provided, and both support frames (4021) are fixedly mounted on the X-axis moving seat (4014), and both support frames (4021) are rotatably mounted with a screw rod (4022).

9. A stacker silo for loading and unloading heavy workpieces according to claim 8, characterized in that: The two ends of the Y-axis movable seat (4023) are respectively threadedly connected to the two screw rods (4022), a Y-axis driving motor (4028) is fixedly installed on the top of the X-axis movable seat (4014), the lower ends of the two screw rods (4022) are fixedly connected to worm wheels (4027), and the two ends of the connecting shaft (4025) are fixedly connected to worms (4026).

10. A stacker silo for loading and unloading heavy workpieces according to claim 9, characterized in that: The two worms (4026) are respectively meshed with the corresponding worm wheels (4027); one end of the worm (4026) away from the connecting shaft (4025) is rotatably connected to the support frame (4021) via a bearing; the rotating shaft of the Y-axis driving motor (4028) is fixedly connected to one end of one of the worms (4026) via a coupling; a guide column (4024) is fixedly connected to the support frame (4021); and the Y-axis moving seat (4023) is slidably sleeved on the guide column (4024).

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