Bending machine for processing IBC (Intermediate Bulk Container) framework

Abstract

The utility model discloses an IBC (Intermediate Bulk Container) frame processing and bending machine, and relates to the technical field of IBC processing, the IBC frame processing and bending machine specifically comprises a lower bending structure and an upper bending structure, the lower bending structure comprises a lower workbench, two ends of the top of one side of the lower workbench are provided with bending assemblies I, the inner sides of the two bending assemblies I are symmetrically provided with workpiece clamping structures I, and the workpiece clamping structures I are provided with workpiece clamping structures II; workpiece transfer structures are arranged in the middles of the inner sides of the two first bending assemblies; the other side of the lower workbench is connected with an upper bending structure through a supporting frame. According to the machining and bending machine for the IBC ton barrel frame, a workpiece of the IBC ton barrel frame is bent twice, in the two-time bending process, the position of the workpiece is finely adjusted through the workpiece transferring structure, the workpiece bending precision is guaranteed, the workpiece is heated through the electric heating rod, the yield strength of the workpiece is reduced, and the machining quality of the IBC ton barrel frame is improved. And therefore, the bending force applied to the workpiece by the bending machine is reduced, and the energy consumption and the equipment abrasion of the bending machine are reduced.

Description

Technical Field

[0001] This utility model relates to the field of IBC (Iron Chamber) processing technology, specifically to an IBC frame processing bending machine. Background Technology

[0002] IBC containers are lightweight, high-strength, and corrosion-resistant. They are widely used in the chemical, pharmaceutical, food, coating, and oil industries, and are essential tools for modern warehousing and transportation of liquid products. IBC containers consist of an inner container and a metal frame. The metal frame requires a bending process during processing, which necessitates the use of a bending machine. The metal frame can be formed by bending a single sheet of material. However, with existing bending machines, after the sheet is bent, it needs to be separated from the bending die before the next sheet can be bent, reducing the machine's efficiency. Furthermore, existing bending machines typically bend the sheet by applying extrusion pressure, but sheet metal has a high yield strength at room temperature, requiring the bending machine to apply significant extrusion pressure, increasing energy consumption and equipment wear. Therefore, this application proposes a bending machine for processing IBC container frames. Utility Model Content

[0003] This utility model provides an IBC (Iron Chamber) frame processing bending machine, which solves the problems mentioned in the background art, such as the need for the formed part to be separated from the bending die before the next sheet can be bent, which reduces the working efficiency of the bending machine; and the need for the bending machine to apply a large extrusion force to the sheet, which increases energy consumption and equipment wear.

[0004] This utility model provides the following technical solution: an IBC (Iron Chamber) frame processing bending machine, comprising a lower bending structure and an upper bending structure. The lower bending structure includes a lower worktable, with bending components one at both ends of the top side of one side of the lower worktable, and workpiece clamping structures one symmetrically arranged on the inner sides of the two bending components one, and a workpiece transfer structure in the middle of the inner sides of the two bending components one. The other side of the lower worktable is connected to the upper bending structure via a support frame. The upper bending structure includes an upper worktable, with fixed positioning columns fixedly connected to both ends of the upper worktable near the bending components one, and a workpiece clamping structure two between the two fixed positioning columns. Bending components two are also provided at both ends of the bottom side of the other side of the upper worktable. A receiving plate is provided between the lower bending structure and the upper bending structure. The receiving plate is connected to the support frame via a hydraulic telescopic rod one, and a vision sensor is provided at the bottom of the receiving plate.

[0005] Both the bending assembly one and the bending assembly two include a telescopic fixing column and a rotating extrusion rod. Both the telescopic fixing column and the rotating extrusion rod are hollow structures, and an electric heating rod is provided in the middle of the inner cavity of both the telescopic fixing column and the rotating extrusion rod.

[0006] The first workpiece clamping structure includes a positioning clamping plate and a movable clamping plate, the movable clamping plate being connected to the lower worktable via a telescopic lifting structure; the second workpiece clamping structure includes a positioning clamping plate and a movable clamping plate, the movable clamping plate being connected to the upper worktable via a hydraulic telescopic rod.

[0007] Preferably, the top of the lower worktable and the bottom of the upper worktable are provided with through holes and bending positioning grooves, the telescopic fixing column is movably connected to the inner cavity of the through hole, and the rotating extrusion rod is movably connected to the inner cavity of the bending positioning groove; both the lower worktable and the upper worktable are movably connected to turntables, and the rotating extrusion rod is fixedly connected to the turntables.

[0008] Preferably, the bending assembly one and the bending assembly two further include a servo motor one and a hydraulic telescopic rod two. The turntable is driven by the servo motor one, and the output shaft end of the hydraulic telescopic rod two is fixedly connected to the telescopic fixed column.

[0009] Preferably, the top of the lower worktable is provided with a movable groove, and the movable clamping plate is movably connected to the inner cavity of the movable groove; the telescopic lifting structure includes a hydraulic telescopic rod three connected to the movable clamping plate and a hydraulic telescopic rod four connected to the hydraulic telescopic rod three.

[0010] Preferably, the bottom of the upper worktable is provided with a movable groove two, the movable clamping plate two is movably connected to the inner cavity of the movable groove two, a connecting rod is fixedly connected to the inner side of the movable clamping plate two, and the other end of the connecting rod is connected to the end of the output shaft of the hydraulic telescopic rod five.

[0011] Preferably, the workpiece transfer structure includes a hydraulic telescopic rod nine fixedly connected to the inner cavity of the lower worktable. The output shaft end of the hydraulic telescopic rod nine is connected to a hydraulic telescopic rod six, and the output shaft end of the hydraulic telescopic rod six is ​​connected to a fixed shell. The inner cavity of the fixed shell is connected to a clamping block one via a hydraulic telescopic rod seven. A ball screw is movably connected to one side of the inner cavity of the fixed shell. A servo motor two is provided on the fixed shell, and the ball screw is driven by the servo motor two. A ball nut is threaded onto the outer ring of the ball screw. The top of the ball nut is connected to a clamping block two via a hydraulic telescopic rod eight. A slot is provided in the middle of the top of the lower worktable, and both clamping block one and clamping block two are movably connected to the inner cavity of the slot.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This IBC ton container frame processing bending machine bends the IBC ton container frame workpiece twice. During the two bending processes, the workpiece position is finely adjusted using a workpiece transfer structure to ensure bending accuracy. The workpiece is heated using an electric heating rod to reduce its yield strength, thereby reducing the bending force applied to the workpiece by the bending machine, and reducing the energy consumption and equipment wear of the bending machine.

[0014] 2. This IBC ton container frame processing bending machine, through the setting of upper and lower bending structures, allows the bending machine to perform a single bending process on another workpiece while finely adjusting the position of the workpiece and removing the formed part, thereby improving the working efficiency of the bending machine. Attached Figure Description

[0015] Figure 1 This is a front view of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the back of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the interior of the worktable under the structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the fixing shell of this utility model;

[0019] Figure 5 This is a bottom view of the worktable structure of this utility model;

[0020] Figure 6 This is a schematic diagram of the interior of the worktable in the structure of this utility model;

[0021] Figure 7 This is a schematic diagram of the electric heating rod structure of this utility model;

[0022] Figure 8 This is a bottom view of the material receiving plate structure of this utility model.

[0023] In the diagram: 1. Lower worktable; 2. Upper worktable; 3. Support frame; 4. Hydraulic telescopic rod one; 5. Receiving plate; 6. Telescopic fixed column; 7. Rotating extrusion bar; 8. Movable clamping plate one; 9. Positioning clamping plate one; 10. Moving slot one; 11. Clamping block one; 12. Hydraulic telescopic rod four; 13. Hydraulic telescopic rod three; 14. Fixed shell; 15. Slotted section; 16. Hydraulic telescopic rod six; 17. Servo motor one; 18. Turntable; 19. Hydraulic telescopic... 20. Servo Motor 2; 21. Ball Nut; 22. Ball Screw; 23. Hydraulic Telescopic Rod 7; 24. Hydraulic Telescopic Rod 8; 25. Clamping Block 2; 26. Fixed Positioning Column; 27. Positioning Clamping Plate 2; 28. Movable Clamping Plate 2; 29. ​​Hydraulic Telescopic Rod 5; 30. Connecting Rod; 31. Moving Slot 2; 32. Electric Heating Rod; 33. Through Hole; 34. Bending Positioning Slot; 35. Vision Sensor; 36. Hydraulic Telescopic Rod 9. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides an embodiment: Please refer to Figures 1-8 An IBC (Iron Chamber) frame processing bending machine includes a lower bending structure and an upper bending structure. The lower bending structure includes a lower worktable 1. Bending components are located at both ends of the top side of the lower worktable 1. Each bending component includes a telescopic fixing column 6 and a rotating extrusion rod 7. Through holes 33 and bending positioning grooves 34 are provided on both sides of the top of the lower worktable 1. The telescopic fixing column 6 is movably connected to the inner cavity of the through hole 33, and the rotating extrusion rod 7 is movably connected to the inner cavity of the bending positioning groove 34. A turntable 18 is movably connected to the inner cavity of the lower worktable 1, and the rotating extrusion rod 7 is fixedly connected to the turntable 18. The bending assembly also includes a servo motor 17 and a hydraulic telescopic rod 19. Both the servo motor 17 and the hydraulic telescopic rod 19 are fixedly connected to the lower worktable 1. The output shaft end of the hydraulic telescopic rod 19 is fixedly connected to the telescopic fixing column 6. The extension and retraction of the hydraulic telescopic rod 19 can change the position of the telescopic fixing column 6. When the bending machine is in use, the telescopic fixing column 6 can limit the workpiece. The turntable 18 is driven by the servo motor 17. Figure 3As shown, a gear is fixedly connected to the end of the output shaft of the servo motor 17, and a gear ring is fixedly connected to the side of the turntable 18 near the gear. The gear meshes with the gear ring. When the servo motor 17 rotates, it can drive the gear connected to it to rotate. The gear drives the turntable 18 to rotate through the gear ring it meshes with. The turntable 18 drives the rotating extrusion bar 7 to move along the bending positioning groove 34. The rotating extrusion bar 7 can bend the workpiece.

[0026] Both the telescopic fixing column 6 and the rotating extrusion rod 7 are hollow structures. An electric heating rod 32 is provided in the middle of the inner cavity of both the telescopic fixing column 6 and the rotating extrusion rod 7. Through the setting of the electric heating rod 32, the heat generated by the electric heating rod 32 during operation can be transferred to the workpiece through the telescopic fixing column 6 or the rotating extrusion rod 7 to heat the workpiece, reduce the yield strength of the workpiece, thereby reducing the bending force applied to the workpiece by the bending machine, and reducing the energy consumption and equipment wear of the bending machine.

[0027] Two bending components are symmetrically equipped with workpiece clamping structures on their inner sides. The workpiece clamping structure includes a positioning clamping plate 9 and a movable clamping plate 8. The top of the lower worktable 1 is provided with a moving groove 10. The movable clamping plate 8 is movably connected to the inner cavity of the moving groove 10. The movable clamping plate 8 is connected to the lower worktable 1 through a telescopic lifting structure. The telescopic lifting structure includes a hydraulic telescopic rod 13 connected to the movable clamping plate 8 and a hydraulic telescopic rod 12 connected to the hydraulic telescopic rod 13. Through the setting of the telescopic lifting structure, the extension and retraction of the hydraulic telescopic rod 13 can realize the lifting and retraction of the movable clamping plate 8. The extension and retraction of the hydraulic telescopic rod 12 can change the position of the movable clamping plate 8 in the moving groove 10. The distance between the movable clamping plate 8 and the positioning clamping plate 9 can be changed. Under the action of the telescopic lifting structure, the movable clamping plate 8 and the positioning clamping plate 9 can realize the clamping and fixing of the workpiece. After the workpiece is clamped and fixed, the workpiece is located between the telescopic fixing column 6 and the rotating extrusion rod 7. The workpiece is in a close fit with the telescopic fixing column 6 and the rotating extrusion rod 7.

[0028] A workpiece transfer structure is provided in the middle of the inner side of the two bending components. The workpiece transfer structure includes a hydraulic telescopic rod 9 36 fixedly connected to the inner cavity of the lower worktable 1. The output shaft end of the hydraulic telescopic rod 9 36 is connected to a hydraulic telescopic rod 6 16. The output shaft end of the hydraulic telescopic rod 6 16 is connected to a fixed shell 14. The inner cavity of the fixed shell 14 is connected to a clamping block 11 via a hydraulic telescopic rod 7 23. A ball screw 22 is movably connected to one side of the inner cavity of the fixed shell 14. A servo motor 20 is provided on the fixed shell 14. The ball screw 22 is driven by the servo motor 20. A ball nut 21 is threadedly connected to the outer ring of the ball screw 22. The top of the ball nut 21 is connected to a clamping block 25 via a hydraulic telescopic rod 8 24. A slot is provided in the middle of the top of the lower worktable 1. 15. Both clamping block 11 and clamping block 25 are movably connected to the inner cavity of slot 15. Through the setting of the workpiece transfer structure, the rotation of ball screw 22 can change the position between clamping block 25 and clamping block 11, and clamping block 25 and clamping block 11 can clamp and fix the workpiece. The extension and retraction of hydraulic telescopic rod 7 23 can change the height of clamping block 11, and the extension and retraction of hydraulic telescopic rod 8 24 can change the height of clamping block 25. The combined use of hydraulic telescopic rod 7 23 and hydraulic telescopic rod 8 24 can change the height of the workpiece. The extension and retraction of hydraulic telescopic rod 6 16 can change the position of the workpiece in the direction of slot 15, and the extension and retraction of hydraulic telescopic rod 9 36 can change the horizontal position of the workpiece, realizing the fine adjustment of the workpiece position.

[0029] On the other side of the lower worktable 1, an upper bending structure is connected via a support frame 3. The upper bending structure is located on the side of the bending assembly closest to the support frame 3. The upper bending structure does not obstruct the bending assembly, facilitating workpiece placement. Furthermore, the telescopic fixing column 6 and the movable clamping plate 8 are both located on the side of the positioning clamping plate 9 closest to the upper bending structure. This arrangement prevents the telescopic fixing column 6 and the movable clamping plate 8 from restricting the workpiece transfer structure when the workpiece transfer structure moves the workpiece.

[0030] The upper bending structure includes an upper worktable 2. Fixed positioning posts 26 are fixedly connected to both ends of the upper worktable 2 near the bending assembly. The fixed positioning posts 26 limit the workpiece after one bending. A workpiece clamping structure 2 is provided between the two fixed positioning posts 26. The workpiece clamping structure 2 includes a positioning clamping plate 27 and a movable clamping plate 28. The movable clamping plate 28 is connected to the upper worktable 2 via a hydraulic telescopic rod 29. Under the action of the hydraulic telescopic rod 29, the distance between the movable clamping plate 28 and the positioning clamping plate 27 can change. A movable groove 31 is provided at the bottom of the upper worktable 2. The movable clamping plate 28 is movably connected to the inner cavity of the movable groove 31. A connecting rod 30 is fixedly connected to the inner side of the movable clamping plate 28. The other end of the connecting rod 30 is connected to the end of the output shaft of the hydraulic telescopic rod 29. Through the setting of the workpiece clamping structure 2, the workpiece can be clamped and fixed, facilitating the re-bending of the workpiece.

[0031] Bending assembly two is provided at both ends of the bottom of the other side of the upper worktable 2. The structure of bending assembly two is the same as that of bending assembly one, including another telescopic fixing column 6 and another rotating extrusion rod 7. The bottom of the upper worktable 2 is provided with another through hole 33 and another bending positioning groove 34. The other telescopic fixing column 6 is movably connected to the inner cavity of the other through hole 33, and the other rotating extrusion rod 7 is movably connected to the inner cavity of the other bending positioning groove 34. Another turntable 18 is movably connected to the inner cavity of the upper worktable 2, and the other rotating extrusion rod 7 is fixedly connected to the other turntable 18. Bending assembly two also includes another servo motor 17 and another hydraulic telescopic rod 19. The other turntable 18 is driven by the other servo motor 17, and the output shaft end of the other hydraulic telescopic rod 19 is fixedly connected to the other telescopic fixing column 6. Both the other telescopic fixing column 6 and the other rotating extrusion rod 7 are hollow structures. Another electric heating rod 32 is provided in the middle of the inner cavity of the other telescopic fixing column 6 and the other rotating extrusion rod 7. The workpiece can be bent again using the bending assembly. After the workpiece is bent twice, it forms the IBC ton frame.

[0032] A receiving plate 5 is provided between the lower bending structure and the upper bending structure. The receiving plate 5 is connected to the support frame 3 through a hydraulic telescopic rod 4. The formed part after the second bending can fall onto the receiving plate 5 under the action of gravity. The hydraulic telescopic rod 4 drives the receiving plate 5 to be offset from the lower bending structure, making it easier for the staff to remove the formed part.

[0033] A vision sensor 35 is installed at the bottom of the receiving plate 5. The vision sensor 35 can be used to visually inspect the bent part during a single bend. Based on the inspection results, the bending error of the workpiece can be determined, which facilitates the adjustment of the workpiece position by the workpiece transfer structure. A buffer pad can be installed on the top of the receiving plate 5 to reduce the impact force when the formed part falls. The buffer pad can be made of rubber.

[0034] All electrical components involved in this application are prior art. Those skilled in the art understand their connection methods. With the help of those skilled in the art, all electrical components in this application and their compatible power supplies can be connected by wires. According to the actual situation, a suitable controller can be selected to meet the control requirements. For specific connections and control sequences, please refer to the description below. The electrical connection between each electrical component is completed in the order of operation. The detailed connection methods are well known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control.

[0035] In summary: When using this IBC ton container frame processing bending machine, the operator places the workpiece for processing the IBC ton container frame between the movable clamping plate 8 and the positioning clamping plate 9. After the workpiece is properly positioned, the hydraulic telescopic rod 12 moves the movable clamping plate 8. The cooperation between the movable clamping plate 8 and the positioning clamping plate 9 can clamp and fix the workpiece. The telescopic fixing column 6 moves under the action of the hydraulic telescopic rod 19 until the telescopic fixing column 6 is in the correct position. Figure 1 As shown. Servo motor 17 drives the rotating extrusion rod 7 to rotate, and the rotating extrusion rod 7 extrudes the workpiece. During this process, the telescopic fixing column 6 positions the workpiece. The combined use of the rotating extrusion rod 7 and the telescopic fixing column 6 realizes the bending of the workpiece, and the workpiece is bent twice. During the bending process, clamping block 11 and clamping block 25 clamp and fix the workpiece.

[0036] After the workpiece is bent once, the workpiece clamping structure releases the clamps on the workpiece, and the movable clamping plate 8 and the telescopic fixing column 6 move to below the workpiece. The workpiece transfer structure moves the workpiece. After the workpiece separates from the lower bending assembly, the vision sensor 35 performs visual inspection on the workpiece. The controller of the bending machine can determine the adjustment position of the workpiece based on the visual inspection result. After the workpiece is inspected, the hydraulic telescopic rod 4 moves the receiving plate 5 until the receiving plate 5 is misaligned with the upper worktable 2. The workpiece transfer structure continues to move the workpiece until it moves between the movable clamping plate 28 and the positioning clamping plate 27, and the workpiece position is adjusted so that the fixed positioning column 26 is aligned with the workpiece. The workpiece is positioned at the bending section to achieve fine-tuning of its position. After the workpiece is clamped and fixed by the movable clamping plate 28 and the positioning clamping plate 27, it is bent again using the bending structure 2. At the same time, the workpiece transfer structure releases its clamping and resets. When the workpiece transfer structure moves below the receiving plate 5, the hydraulic telescopic rod 4 drives the receiving plate 5 to move until it is below the upper worktable 2. After the workpiece undergoes a second bend, the clamping structure 2 releases its grip on the workpiece, and the other telescopic fixing column 6 moves upward until it separates from the workpiece. The workpiece can then fall onto the receiving plate 5 under gravity. After the workpiece separates from the lower bending structure, another workpiece to be processed can be placed on the lower bending structure, allowing the bending machine to bend another workpiece during the removal process, thus improving the working efficiency of the bending machine.

[0037] All standard parts used in this utility model can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods of each part all adopt conventional means such as bolts that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art. Although the embodiments of this utility model have been shown and described, it will be 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 this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A bending machine for processing IBC (Iron Bucket Barrel) frames, comprising a lower bending structure and an upper bending structure, characterized in that: The lower bending structure includes a lower worktable (1), with bending components one at both ends of the top side of the lower worktable (1), and workpiece clamping structures one symmetrically arranged on the inner sides of the two bending components one, and a workpiece transfer structure in the middle of the inner sides of the two bending components one; the other side of the lower worktable (1) is connected to an upper bending structure via a support frame (3), the upper bending structure includes an upper worktable (2), with fixed positioning columns (26) fixedly connected at both ends of the upper worktable (2) near the bending components one, and a workpiece clamping structure two between the two fixed positioning columns (26), and bending components two at both ends of the bottom side of the upper worktable (2); a receiving plate (5) is provided between the lower bending structure and the upper bending structure, the receiving plate (5) is connected to the support frame (3) via a hydraulic telescopic rod one (4), and a vision sensor (35) is provided at the bottom of the receiving plate (5). Both the bending assembly one and the bending assembly two include a telescopic fixing column (6) and a rotating extrusion rod (7). Both the telescopic fixing column (6) and the rotating extrusion rod (7) are hollow structures, and an electric heating rod (32) is provided in the middle of the inner cavity of both the telescopic fixing column (6) and the rotating extrusion rod (7). The first workpiece clamping structure includes a positioning clamping plate (9) and a movable clamping plate (8). The movable clamping plate (8) is connected to the lower worktable (1) through a telescopic lifting structure. The second workpiece clamping structure includes a positioning clamping plate (27) and a movable clamping plate (28). The movable clamping plate (28) is connected to the upper worktable (2) through a hydraulic telescopic rod (29).

2. The IBC (Iron Chamber) frame processing and bending machine according to claim 1, characterized in that: The top of the lower worktable (1) and the bottom of the upper worktable (2) are provided with through holes (33) and bending positioning grooves (34). The telescopic fixing column (6) is movably connected to the inner cavity of the through hole (33), and the rotating extrusion rod (7) is movably connected to the inner cavity of the bending positioning groove (34). The inner cavities of both the lower worktable (1) and the upper worktable (2) are movably connected with turntables (18), and the rotating extrusion rod (7) is fixedly connected to the turntables (18).

3. The IBC (Iron Chamber) frame processing and bending machine according to claim 2, characterized in that: The bending assembly one and bending assembly two also include a servo motor one (17) and a hydraulic telescopic rod two (19). The turntable (18) is driven by the servo motor one (17), and the output shaft end of the hydraulic telescopic rod two (19) is fixedly connected to the telescopic fixed column (6).

4. The IBC (Iron Chamber) frame processing and bending machine according to claim 1, characterized in that: The top of the lower workbench (1) is provided with a movable groove (10), and the movable clamping plate (8) is movably connected to the inner cavity of the movable groove (10); the telescopic lifting structure includes a hydraulic telescopic rod three (13) connected to the movable clamping plate (8) and a hydraulic telescopic rod four (12) connected to the hydraulic telescopic rod three (13).

5. The IBC (Iron Chamber) frame processing and bending machine according to claim 1, characterized in that: The bottom of the upper worktable (2) is provided with a movable groove two (31), the movable clamp two (28) is movably connected to the inner cavity of the movable groove two (31), and a connecting rod (30) is fixedly connected to the inner side of the movable clamp two (28). The other end of the connecting rod (30) is connected to the end of the output shaft of the hydraulic telescopic rod five (29).

6. The IBC (Iron Chamber) frame processing and bending machine according to claim 1, characterized in that: The workpiece transfer structure includes a hydraulic telescopic rod nine (36) fixedly connected to the inner cavity of the lower worktable (1). The output shaft end of the hydraulic telescopic rod nine (36) is connected to a hydraulic telescopic rod six (16). The output shaft end of the hydraulic telescopic rod six (16) is connected to a fixed shell (14). The inner cavity of the fixed shell (14) is connected to a clamping block one (11) via a hydraulic telescopic rod seven (23). A ball screw (22) is movably connected to one side of the inner cavity of the fixed shell (14). The shell (14) is equipped with a servo motor two (20), the ball screw (22) is driven by the servo motor two (20), the outer ring of the ball screw (22) is threaded with a ball nut (21), the top of the ball nut (21) is connected to a clamping block two (25) through a hydraulic telescopic rod eight (24), the middle of the top of the lower worktable (1) is provided with a slot (15), and the clamping block one (11) and the clamping block two (25) are both movably connected to the inner cavity of the slot (15).

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