Electro-hydraulic servo bending device

Abstract

The utility model relates to the technical field of bending machines, and discloses an electro-hydraulic servo bending device which comprises a bending table, the top of the bending table is provided with a lower die and an installation frame, a hydraulic rod is embedded in the top of the installation frame, a lifting plate is fixedly installed at the telescopic end of the hydraulic rod, an upper die is arranged at the bottom end of the lifting plate, and the upper die is matched with the lower die. An extending frame is welded to the front face of the bending table, a feeding table is arranged on the extending frame, and a turnover assembly is arranged between the extending frame and the feeding table. According to the utility model, after a plate is bent, the hydraulic rod is controlled to contract to drive the upper die to move upwards, and when the plate and the lower die need to be separated and taken out, the driving motor is started to drive the crankshaft to rotate, so that the transmission rod drives the rubber plate to continuously collide with the plate to vibrate; and due to the characteristic that the rubber plate is soft, the surface of the plate cannot be damaged or deformed, and the quality of the plate is ensured.

Description

Technical Field

[0001] This utility model relates to the field of bending machine technology, and more specifically to an electro-hydraulic servo bending device. Background Technology

[0002] An electro-hydraulic servo bending machine is a machine capable of bending thin metal sheets. It adopts a hydraulic convex automatic compensation system to solve the problem of the deformation of the slider during the bending process affecting the quality of the workpiece. The compensation amount is automatically adjusted by the CNC system, which is convenient and accurate.

[0003] A search revealed an existing patent (publication number: CN219274118U) that discloses an electro-hydraulic servo CNC bending device. During use, this device allows users to more easily clean the bending groove, effectively reducing labor intensity and costs while ensuring the quality of sheet metal bending. However, the inventors discovered the following problems with the existing technology during the development of this invention: The aforementioned bending device bends the sheet metal located between the upper and lower dies by engaging an upper and lower die. During processing, there is a rigid compression between the sheet metal and the upper and lower dies. After bending, the hydraulic system controls the upper die to move upwards, releasing the pressure on the sheet metal, allowing it to be removed from the lower die surface. However, under the compression, the sheet metal may become stuck on the lower die surface. When this occurs, unloading the sheet metal becomes difficult, requiring the operator to forcefully bend it. If the sheet metal is weak, uneven stress can cause localized deformation, affecting the quality of the sheet metal bending process.

[0004] In view of this, this utility model proposes an electro-hydraulic servo bending device that facilitates material feeding to solve this problem. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides an electro-hydraulic servo bending device to solve the problems existing in the background art.

[0006] This utility model provides the following technical solution: an electro-hydraulic servo bending device, including a bending table, a lower die and a mounting frame respectively provided on the top of the bending table, a hydraulic rod embedded in the top of the mounting frame, a lifting plate fixedly installed at the telescopic end of the hydraulic rod, an upper die provided at the bottom of the lifting plate, the upper die and the lower die being adapted to each other, an extension frame welded to the front of the bending table, a feeding platform provided on the extension frame, a flipping component provided between the extension frame and the feeding platform, and a vibration component provided on the surface of the feeding platform;

[0007] The vibration assembly includes a vibration chamber formed on the surface of the feed table. A drive motor is fixedly installed on the inner wall of the vibration chamber. A crankshaft is fixedly installed on the output shaft surface of the drive motor. A transmission rod is rotatably connected to the surface of the crankshaft. A rubber plate is rotatably connected to the other end of the transmission rod. The rubber plate is slidably connected to the inner wall of the vibration chamber.

[0008] Furthermore, the flipping assembly includes a flipping box fixedly mounted on the surface of the extension frame, a flipping rod fixedly mounted on the surface of the feeding platform, the flipping rod being rotatably connected to the extension frame and the flipping box, and when the feeding platform is in a horizontal state, the upper surface of the feeding platform is flush with the upper surface of the bending table. A hydraulic telescopic rod is fixedly mounted on the surface of the flipping box, the telescopic end of the hydraulic telescopic rod extending into the interior of the flipping box and fixedly mounted with a rack, and a gear plate is fixedly mounted on the surface of the flipping rod, the rack and the gear plate meshing. A receiving cover is welded to the upper surface of the feeding platform near the front side. A transfer positioning cavity is provided on one side of the back for inserting external sheet metal. Through the flipping assembly, the hydraulic telescopic rod drives the rack to move. Based on the meshing of the rack and the toothed disc, the flipping rod and the feeding table are flipped, causing the feeding table to tilt downwards. The sheet metal will slide down, and the end of the sheet metal away from the lower mold will fall into the transfer positioning cavity of the receiving cover. At this time, the sheet metal is in a near-vertical state, and the lower end of the sheet metal is relatively low, which makes it convenient for workers to move the sheet metal to the ground or the surface of an external carrier. This avoids the risk of falling and injuring heavier sheet metal when it is taken out, and improves the safety of the operation.

[0009] Furthermore, a vertical limiting slide bar is welded to the top of the lifting plate, and the vertical limiting slide bar is slidably connected to the mounting frame; by setting the vertical limiting slide bar, the stability of the lifting plate during lifting and moving can be ensured.

[0010] Furthermore, the front side of the bending table is welded with reinforcing ribs, and the other end of the reinforcing ribs is fixed to the bottom end of the extension frame; by setting reinforcing ribs, the structural strength and stability of the extension frame can be improved.

[0011] Furthermore, a bracket is welded to the back of the bending table, and an adjusting rod is inserted into the surface of the bracket. A baffle plate is welded to one end of the front of the adjusting rod, and a longitudinal limiting slide rod is welded to the back of the baffle plate. The longitudinal limiting slide rod is slidably connected to the bracket, and a threaded set screw is threaded to the top of the bracket. The surface of the adjusting rod is respectively provided with scale lines and several positioning holes, and the scale lines correspond to the positions of the positioning holes. The threaded end of the threaded set screw is locked inside the positioning hole. By setting the adjusting rod and the baffle plate, the baffle plate can block and position the sheet material to be bent before bending, which can ensure the bending position of the sheet material. Moreover, by referring to the scale lines and inserting the threaded set screw into different positioning holes, the position of the baffle plate can be quickly adjusted according to the processing needs.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] 1. This utility model involves placing a sheet material flat on the surface of a feeding table and inserting one end of the sheet material into the mounting frame. A hydraulic rod extends to lower a lifting plate, and the upper and lower molds close to bend the sheet material. After processing, the hydraulic rod retracts to move the upper mold upward. When it is necessary to separate the sheet material from the lower mold, the drive motor is started, which drives the crankshaft to rotate. This, in turn, causes the rubber plate to continuously collide with the sheet material and vibrate through a transmission rod, thus facilitating the smooth separation of the sheet material from the lower mold. Due to the soft nature of the rubber plate, the surface of the sheet material will not be damaged or deformed, ensuring the quality of the sheet material.

[0014] 2. In this utility model, when unloading the sheet material, vibration is first used to promote the separation of the sheet material from the lower mold. Then, through the flipping component, the hydraulic telescopic rod drives the rack to move. Based on the meshing of the rack and the toothed disc, the flipping rod and the feeding table are flipped, causing the feeding table to tilt downwards. The sheet material will slide down, and the end of the sheet material away from the lower mold will fall into the transfer positioning cavity of the receiving cover. At this time, the sheet material is in a near-vertical state, and the lower end of the sheet material is relatively low, which makes it convenient for workers to move the sheet material to the ground or the surface of an external carrier. This avoids the risk of falling and injuring heavier sheet materials when they are taken out, and improves the safety of the operation.

[0015] 3. This utility model, by setting an adjusting rod and a baffle plate, uses the baffle plate to block and position the sheet material to be bent before bending, which can ensure the bending position of the sheet material. In addition, by referring to the scale line and inserting the threaded set screw into different positioning holes, the position of the baffle plate can be quickly adjusted according to the processing needs. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention from one perspective;

[0017] Figure 2 This is a two-dimensional structural schematic diagram of the present invention from a different perspective;

[0018] Figure 3 This is a schematic diagram of the front section structure of the feeding platform of this utility model;

[0019] Figure 4 This is a side sectional view of the flip box structure of this utility model;

[0020] Figure 5 for Figure 2 Enlarged structural diagram at point A in the middle.

[0021] The attached diagram is labeled as follows: 1. Bending table; 2. Lower die; 3. Mounting frame; 4. Hydraulic rod; 5. Lifting plate; 6. Upper die; 7. Extension frame; 8. Feeding table; 9. Vibration chamber; 10. Drive motor; 11. Crankshaft; 12. Transmission rod; 13. Rubber plate; 14. Tilting box; 15. Tilting rod; 16. Hydraulic telescopic rod; 17. Rack; 18. Gear plate; 19. Container cover; 20. Transfer positioning chamber; 21. Vertical limiting slide bar; 22. Reinforcing rib; 23. Bracket; 24. Adjusting rod; 25. Baffle plate; 26. Longitudinal limiting slide bar; 27. Threaded set screw; 28. Scale line; 29. ​​Positioning hole. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The electro-hydraulic servo bending device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Reference Figures 1-5 This utility model provides an electro-hydraulic servo bending device, including a bending table 1. The top of the bending table 1 is respectively provided with a lower die 2 and a mounting frame 3. The top of the mounting frame 3 is embedded with a hydraulic rod 4. The telescopic end of the hydraulic rod 4 is fixedly installed with a lifting plate 5. The bottom end of the lifting plate 5 is provided with an upper die 6. The upper die 6 and the lower die 2 are compatible.

[0024] In use, the entire device is connected to an external power control system beforehand. Then, one end of the plate is inserted into the mounting frame 3. The hydraulic rod 4 is extended to drive the lifting plate 5 to descend. The upper mold 6 and the lower mold 2 are closed to bend the plate.

[0025] A vertical limiting slide bar 21 is welded to the top of the lifting plate 5, and the vertical limiting slide bar 21 is slidably connected to the mounting frame 3.

[0026] By setting a vertical limit slide bar 21, the stability of the lifting plate 5 during lifting and moving can be ensured.

[0027] An extension frame 7 is welded to the front of the bending table 1. The extension frame 7 is equipped with a feeding platform 8, and a vibration component is provided on the surface of the feeding platform 8.

[0028] The vibration assembly includes a vibration chamber 9 formed on the surface of the feed table 8. A drive motor 10 is fixedly installed on the inner wall of the vibration chamber 9. A crankshaft 11 is fixedly installed on the output shaft surface of the drive motor 10. A transmission rod 12 is rotatably connected to the surface of the crankshaft 11. A rubber plate 13 is rotatably connected to the other end of the transmission rod 12. The rubber plate 13 is slidably connected to the inner wall of the vibration chamber 9.

[0029] Furthermore, after processing is completed, the hydraulic rod 4 is controlled to retract, causing the upper mold 6 to move upward. When it is necessary to separate the sheet material from the lower mold 2, the drive motor 10 is started, and the drive motor 10 drives the crankshaft 11 to rotate. In turn, the transmission rod 12 drives the rubber plate 13 to continuously collide with the sheet material and vibrate, thereby promoting the smooth separation of the sheet material from the lower mold 2. Due to the soft nature of the rubber plate 13, it will not cause damage or deformation to the surface of the sheet material, ensuring the quality of the sheet material.

[0030] The front of the bending table 1 is welded with a reinforcing rib 22, and the other end of the reinforcing rib 22 is fixed to the bottom end of the extension frame 7.

[0031] By setting reinforcing ribs 22, the structural strength and stability of the extension frame 7 can be improved.

[0032] A flipping assembly is provided between the extension frame 7 and the feeding table 8.

[0033] The flipping assembly includes a flipping box 14 fixedly installed on the surface of the extension frame 7, and a flipping rod 15 fixedly installed on the surface of the feeding table 8. The flipping rod 15 is rotatably connected to the extension frame 7 and the flipping box 14. When the feeding table 8 is in a horizontal state, the upper surface of the feeding table 8 is flush with the upper surface of the bending table 1.

[0034] A hydraulic telescopic rod 16 is fixedly installed on the surface of the flip box 14. The telescopic end of the hydraulic telescopic rod 16 extends into the interior of the flip box 14 and is fixedly installed with a rack 17. A gear plate 18 is fixedly installed on the surface of the flip rod 15. The rack 17 and the gear plate 18 mesh.

[0035] A receiving cover 19 is welded to the upper surface of the feeding table 8 near the front side, and a transfer positioning cavity 20 is opened on the back side of the receiving cover 19 for inserting external plates.

[0036] Furthermore, when unloading the sheet material, vibration is first used to promote the separation of the sheet material from the lower mold 2. Then, through the flipping assembly, the hydraulic telescopic rod 16 is extended and retracted to drive the rack 17 to move. Based on the meshing of the rack 17 and the gear plate 18, the flipping rod 15 and the feeding table 8 are flipped, causing the feeding table 8 to tilt downwards. The sheet material will slide down, and the end of the sheet material away from the lower mold 2 will fall into the transfer positioning cavity 20 of the receiving cover 19. At this time, the sheet material is in a nearly vertical state, and the lower end of the sheet material is relatively low, which makes it convenient for workers to move the sheet material to the ground or the surface of an external carrier, avoiding the risk of falling and injuring the heavier sheet material when it is taken out, and improving the safety during work.

[0037] It is worth noting that when the upper mold 6 is in a high position, the reserved height of the upper mold 6 is relatively high, so the sheet material will not collide with the upper mold 6 when it is flipped.

[0038] A bracket 23 is welded to the back of the bending table 1. An adjusting rod 24 is inserted into the surface of the bracket 23. A baffle plate 25 is welded to one end of the front of the adjusting rod 24. A longitudinal limiting slide rod 26 is welded to the back of the baffle plate 25. The longitudinal limiting slide rod 26 is slidably connected to the bracket 23.

[0039] The top of the bracket 23 is threaded with a threaded set screw 27. The surface of the adjusting rod 24 is provided with scale lines 28 and several positioning holes 29. The scale lines 28 and the positioning holes 29 are positioned corresponding to each other. The threaded end of the threaded set screw 27 is locked inside the positioning hole 29.

[0040] Furthermore, when using this device, by setting the adjusting rod 24 and the baffle plate 25, the baffle plate 25 is used to block and position the sheet material to be bent before bending, which can ensure the bending position of the sheet material. In addition, by referring to the scale line 28, the threaded set screw 27 is inserted into different positioning holes 29, and the position of the baffle plate 25 can be quickly adjusted according to the processing needs.

[0041] Finally, it should be noted that the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. An electro-hydraulic servo bending device, comprising a bending table (1), characterized in that: The bending table (1) is provided with a lower die (2) and a mounting frame (3) on its top. A hydraulic rod (4) is embedded in the top of the mounting frame (3). A lifting plate (5) is fixedly installed at the telescopic end of the hydraulic rod (4). An upper die (6) is provided at the bottom of the lifting plate (5). The upper die (6) and the lower die (2) are compatible. An extension frame (7) is welded to the front of the bending table (1). A feeding platform (8) is provided on the extension frame (7). A flipping component is provided between the extension frame (7) and the feeding platform (8). A vibration component is provided on the surface of the feeding platform (8). The vibration assembly includes a vibration chamber (9) formed on the surface of the feed table (8). A drive motor (10) is fixedly installed on the inner wall of the vibration chamber (9). A crankshaft (11) is fixedly installed on the output shaft surface of the drive motor (10). A transmission rod (12) is rotatably connected to the surface of the crankshaft (11). A rubber plate (13) is rotatably connected to the other end of the transmission rod (12). The rubber plate (13) is slidably connected to the inner wall of the vibration chamber (9).

2. The electro-hydraulic servo bending device according to claim 1, characterized in that: The flipping assembly includes a flipping box (14) fixedly installed on the surface of the extension frame (7), and a flipping rod (15) fixedly installed on the surface of the feeding table (8). The flipping rod (15) is rotatably connected to the extension frame (7) and the flipping box (14). When the feeding table (8) is in a horizontal state, the upper surface of the feeding table (8) is flush with the upper surface of the bending table (1).

3. The electro-hydraulic servo bending device according to claim 2, characterized in that: A hydraulic telescopic rod (16) is fixedly installed on the surface of the flip box (14). The telescopic end of the hydraulic telescopic rod (16) extends into the interior of the flip box (14) and is fixedly installed with a rack (17). A gear plate (18) is fixedly installed on the surface of the flip rod (15). The rack (17) and the gear plate (18) mesh.

4. The electro-hydraulic servo bending device according to claim 1, characterized in that: The upper surface of the feeding platform (8) is welded with a receiving cover (19) on the side near the front. A transfer positioning cavity (20) for inserting external plates is opened on the back side of the receiving cover (19).

5. The electro-hydraulic servo bending device according to claim 1, characterized in that: The top of the lifting plate (5) is welded with a vertical limiting slide rod (21), which is slidably connected to the mounting frame (3).

6. The electro-hydraulic servo bending device according to claim 1, characterized in that: The bending table (1) has a reinforcing rib (22) welded to its front side, and the other end of the reinforcing rib (22) is fixed to the bottom end of the extension frame (7).

7. The electro-hydraulic servo bending device according to claim 1, characterized in that: A bracket (23) is welded to the back of the bending table (1). An adjusting rod (24) is inserted into the surface of the bracket (23). A baffle plate (25) is welded to one end of the front of the adjusting rod (24). A longitudinal limiting slide rod (26) is welded to the back of the baffle plate (25). The longitudinal limiting slide rod (26) is slidably connected to the bracket (23).

8. The electro-hydraulic servo bending device according to claim 7, characterized in that: The top of the bracket (23) is threaded with a threaded set screw (27). The surface of the adjusting rod (24) is respectively provided with scale lines (28) and several positioning holes (29). The scale lines (28) and the positioning holes (29) are positioned corresponding to each other. The threaded end of the threaded set screw (27) is locked inside the positioning hole (29).

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