Four-roll plate bending machine with lifting support mechanism

Abstract

The utility model discloses a four roll plate bending machine with lifting support mechanism, the first vertical board and second vertical board are vertically arranged on the bottom frame upper surface, the intermediate position of first vertical board upper portion is connected with the upper roller, the extension seat is arranged in the first vertical board outside and is located the upper roller department, the first motor is arranged in the extension seat outer end, the first vertical board top is provided with the supporting plate, the supporting plate is also connected with the upper surface of extension seat through the screw rod, the base of lifting support mechanism is connected with the supporting plate upper surface, the base is vertically connected with the stand, the lifting seat is arranged in the stand inside through the first hydraulic cylinder, the lifting seat is matched with the chain through the chain wheel, and the both ends of chain are connected with the first fixed seat and slide respectively, the bracket is arranged in the slide one side, and the upper surface of bracket is provided with the supporting roller, the utility model discloses rational in structure, and the lifting support mechanism is set up in the first vertical board, and the upper end of roll plate can be supported to roll plate in the process of rolling in the process of rolling, and the stability in the process of rolling is improved greatly, and the upper end is avoided to collapse.

Description

Technical Field

[0001] This utility model relates to the technical field of four-roll plate bending machines, specifically a four-roll plate bending machine with a lifting support mechanism. Background Technology

[0002] The four-roll plate bending machine is a bending and straightening device in forging and pressing machinery, mainly used for bending and forming metal sheets. It adopts a cooperative working mode of four rollers, and realizes the upper roller fixing, lower roller lifting and lowering, and side roller tilting movement through a hydraulic CNC system. It has the function of pre-bending the end of the plate and is suitable for forming round, arc, and conical workpieces and multi-curvature cylinders. It can also perform rough leveling of metal sheets on this machine.

[0003] In traditional four-roll plate rolling machines, the upper end of the rolled plate is generally unsupported during the rolling process, and the plate is formed solely by the four rollers inside the frame. However, when processing softer metal plates, the lack of support at the upper end of the rolled plate can sometimes lead to collapse, especially when the machine is stopped for a period of time and no material is unloaded. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. Summary of the Invention

[0004] The purpose of this invention is to provide a four-roll plate bending machine with a lifting support mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a four-roll plate bending machine with a lifting support mechanism, comprising a frame and a lifting support mechanism; The frame includes a base frame, a first upright plate, a second upright plate, and a support plate. The first upright plate and the second upright plate are vertically arranged on the upper surface of the base frame. An upper roller is connected to the middle position of the upper part of the first upright plate. An extension seat is arranged on the outer side of the first upright plate and at the upper roller. A lower roller and two side rollers are arranged between the first upright plate and the second upright plate. A first motor is arranged at the outer end of the extension seat. A support plate is arranged at the top of the first upright plate. The support plate is also connected to the upper surface of the extension seat by a screw. The lifting support mechanism includes a base, a vertical frame, a lifting seat, a first hydraulic cylinder, a sprocket, a chain, a bracket, a roller, and a slide. The base is connected to the upper surface of the support plate. The vertical frame is vertically connected to the base and is located above the first vertical plate. A guide groove is formed inside the vertical frame. The first hydraulic cylinder is installed at the bottom of the guide groove of the vertical frame. A first fixed seat is installed in the middle of the vertical frame. The lifting seat is movably installed in the guide groove of the vertical frame at both ends by two rollers. The piston rod of the first hydraulic cylinder is connected to the lower surface of the lifting seat. Sprockets are installed on both sides of the bottom of the lifting seat through mounting grooves. The sprockets cooperate with the chain. One end of the chain is connected to the first fixed seat. The slide is slidably engaged with the vertical frame. A bracket is installed on the side of the slide above the upper roller. A roller is installed on the upper surface of the bracket. The axis of the roller is parallel to the axis of the upper roller. A second fixed seat is installed inside the slide. The end of the chain away from the first fixed seat is connected to the second fixed seat.

[0006] Preferably, the present invention provides a four-roll plate bending machine with a lifting support mechanism, wherein the first vertical plate and the second vertical plate are both provided with longitudinal grooves and inclined grooves, the two ends of the lower roller are slidably engaged with the longitudinal grooves through sliders, the two ends of the side rollers are slidably engaged with the inclined grooves through sliders, and a second hydraulic cylinder is provided in both the longitudinal grooves and the inclined grooves, and the second hydraulic cylinders are respectively connected to the corresponding sliders.

[0007] Preferably, the present invention provides a four-roll plate bending machine with a lifting support mechanism, wherein a second motor is provided on the outside of the slider connected to the lower roller and near the end of the first vertical plate via a motor base, and the output shaft of the second motor is connected to the lower roller.

[0008] Preferably, the present invention provides a four-roll plate bending machine with a lifting support mechanism, wherein a flap is provided on the outer side of the second vertical plate via a hydraulic cylinder, and the flap is provided with a shaft hole to support and cooperate with the end of the upper roller away from the first vertical plate.

[0009] Preferably, the present invention provides a four-roll plate bending machine with a lifting support mechanism, wherein reinforcing plates are provided on both sides of the pallet and at the connection with the first vertical plate.

[0010] Preferably, the present invention provides a four-roll plate bending machine with a lifting support mechanism, wherein a diagonal brace is provided between the base and the upright.

[0011] Preferably, the present invention provides a four-roll plate bending machine with a lifting support mechanism, wherein the slide is provided with limit wheels on both sides, and the limit wheels are movably connected to both sides of the upright frame.

[0012] Preferably, the present invention provides a four-roll plate rolling machine with a lifting support mechanism, wherein partitions are respectively provided on both sides of the guide groove of the upright frame, and two rollers located on the same side of the lifting seat are respectively located on both sides of the partitions.

[0013] Compared with the prior art, the beneficial effects of this utility model are: (1) The lifting support mechanism is set on the first vertical plate, and through the cooperation of the first hydraulic cylinder, chain, lifting seat, sprocket, first fixed seat, second fixed seat, bracket and slide, the bracket can be lifted and lowered, so that the upper end of the plate can be supported by the roller during the plate rolling process, which greatly improves the stability during the plate rolling process and avoids the upper end from collapsing.

[0014] (2) A support plate is provided on the upper surface of the first upright plate. The two sides of the support plate are reinforced by reinforcing plates. The support plate is also connected to the upper surface of the extension seat by screws, which greatly improves the structural stability of the lifting support mechanism. Attached Figure Description

[0015] Figure 1 This is a side view of the structure of this utility model; Figure 2 This is a front view structural diagram of the present invention; Figure 3 This is a schematic diagram of the lifting support mechanism.

[0016] In the diagram: 1. Base frame; 2. First upright plate; 3. Second upright plate; 4. Support plate; 5. Upper roller; 6. Extension seat; 7. Lower roller; 8. Side roller; 9. First motor; 10. Screw; 11. Base; 12. Upright frame; 13. Lifting seat; 14. First hydraulic cylinder; 15. Sprocket; 16. Chain; 17. Bracket; 18. Support roller; 19. Slide seat; 20. Guide groove; 21. First fixed seat; 22. Roller; 23. Second fixed seat; 24. Longitudinal groove; 25. Inclined groove; 26. Slider; 27. Second hydraulic cylinder; 28. Motor seat; 29. ​​Second motor; 30. Oil cylinder; 31. Flip plate; 32. Reinforcing plate; 33. Diagonal brace; 34. Limiting wheel; 35. Partition plate. Detailed Implementation

[0017] The technical solution of this 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 this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model. It should be noted that in the description of this utility model, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] Please see Figure 1-3 This utility model provides a technical solution: a four-roll plate bending machine with a lifting support mechanism, including a frame and a lifting support mechanism; The frame includes a base frame 1, a first upright plate 2, a second upright plate 3, and a support plate 4. The first upright plate 2 and the second upright plate 3 are vertically mounted on the upper surface of the base frame 1. An upper roller 5 is connected to the middle of the upper part of the first upright plate 2. An extension seat 6 is located on the outer side of the first upright plate 2, adjacent to the upper roller 5. A lower roller 7 and two side rollers 8 are positioned between the first upright plate 2 and the second upright plate 3. A first motor 9 is mounted on the outer end of the extension seat 6. The support plate 4 is mounted at the top of the first upright plate 2. Reinforcing plates 32 are mounted on both sides of the support plate 4 at the connection points with the first upright plate 2 to ensure the structural strength of the support plate 4. The support plate 4 is also connected to the upper surface of the extension seat 6 via a screw 10. The connection between the screw 10 and the support plate 4 is limited by a nut. Both the first upright plate 2 and the second upright plate 3 have longitudinal grooves 24 and inclined grooves 25. The lower roller 7 is connected to the support plate 4 at both ends via sliders 26. The longitudinal groove 24 is slidably engaged, and the two ends of the side roller 8 are slidably engaged with the inclined groove 25 through the sliders 26. The longitudinal groove 24 and the inclined groove 25 are each equipped with a second hydraulic cylinder 27. The second hydraulic cylinder 27 is connected to the corresponding slider 26. The second hydraulic cylinder 27 causes the lower roller 7 to move vertically along the longitudinal groove 24 through the slider 26. The second hydraulic cylinder 27 causes the side roller 8 to move obliquely along the inclined groove 25 through the corresponding slider 26, thereby realizing the movement of the lower roller 7 and the side roller 8, and cooperating with the upper roller 5 to complete the rolling of the plate. The slider 26 connected to the lower roller 7 and close to the first vertical plate 2 is equipped with a second motor 29 through the motor base 28. The output shaft of the second motor 29 is connected to the lower roller 7, and the second motor 29 drives the lower roller 7, thereby cooperating with the upper roller 5 to completely pull the plate. A flap 31 is provided on the outer side of the second vertical plate 3 via a hydraulic cylinder 30. The flap 31 is provided with a shaft hole to support and cooperate with the end of the upper roller 5 away from the first vertical plate 2. The flap 31 provides support for the outer end of the upper roller 5. When the flap 31 is disengaged from the upper roller 5, it facilitates the unloading of the rolled plate. The lifting support mechanism includes a base 11, a vertical frame 12, a lifting seat 13, a first hydraulic cylinder 14, a sprocket 15, a chain 16, a bracket 17, a roller 18, and a slide 19. The base 11 is connected to the upper surface of the support plate 4, and the vertical frame 12 is vertically connected to the base 11. A diagonal brace 33 is provided between the base 11 and the vertical frame 12 to ensure the structural strength between the base 11 and the vertical frame 12. The vertical frame 12 is located above the first vertical plate 2. A guide groove 20 is opened inside the vertical frame 12. The first hydraulic cylinder 14 is provided at the bottom of the guide groove 20 of the vertical frame 12. A first fixed seat 21 is provided in the middle of the vertical frame 12. The lifting seat 13 is movably mounted in the guide groove 20 of the vertical frame 12 at each end by two rollers 22. A partition plate 35 is provided on both sides of the guide groove 20 of the vertical frame 12. The two rollers 22 located on the same side of the lifting seat 13 are... Located on both sides of the partition 35 to ensure that the lifting seat 13 does not detach from the upright frame 12, the piston rod of the first hydraulic cylinder 14 is connected to the lower surface of the lifting seat 13. The bottom sides of the lifting seat 13 are provided with sprockets 15 through mounting grooves. The sprockets 15 cooperate with the chain 16. One end of the chain 16 is connected to the first fixed seat 21. The slide seat 19 is slidably engaged with the upright frame 12. Limiting wheels 34 are provided on both sides of the slide seat 19. The limiting wheels 34 are movably connected to both sides of the upright frame 12 to realize the sliding cooperation between the slide seat 19 and the upright frame 12. A bracket 17 is provided on the side of the slide seat 19 above the upper roller 5. A roller 18 is provided on the upper surface of the bracket 17. The axis of the roller 18 is parallel to the axis of the upper roller 5. A second fixed seat 23 is provided on the inner side of the slide seat 19. The end of the chain 16 away from the first fixed seat 21 is connected to the second fixed seat 23.

[0019] Installation method and operating principle: The lifting seat 13 is supported on both sides by rollers 22 within the guide grooves 20 of the upright frame 12. The first hydraulic cylinder 14 is installed inside the upright frame 12, and the piston rod of the first hydraulic cylinder 14 is connected to the lower surface of the lifting seat 13. One end of the bracket 17, which is equipped with the idler rollers 18, is slidably fitted onto the upright frame 12 via a slide block 19. Specifically, it is directly fitted onto the upright frame 12 from the top, and the limiting wheels 34 on both sides of the slide block 19 are engaged with the upright frame 12. Then, the second fixed seat 23 is installed inside the slide block 19. Subsequently, the chain 16 is engaged with the sprockets 15 on both sides of the bottom of the lifting seat 13, and one end of the chain 16 is connected to the first fixed seat 21, and the other end of the chain 16 is connected to the second fixed seat 23, completing the assembly of the lifting support mechanism. The support plate 4 is welded to the upper surface of the first upright plate 2, and the reinforcing plates 32 on both sides are welded to the first upright plate 2. The extension part of the support plate 4 is connected to the threaded part of the extension seat 6 by bolts. Finally, the base 11 of the lifting support mechanism is connected to the support plate 4 to complete the connection between the lifting support mechanism and the frame. In use, the piston rod of the first hydraulic cylinder 14 retracts, so that the bracket 17 is in a low position. The flip plate 31 is pushed by the oil cylinder 30, so that the shaft hole of the push plate is engaged with the outer end of the upper roller 5. The lower roller 7 and the side roller 8 are lowered by their respective second hydraulic cylinders 27, and the metal plate is supported on the lower roller 7 and the side roller 8. Then, the lower roller 7 and the side roller 8 are raised by the second hydraulic cylinders 27. Through the cooperation of the lower roller 7, the side roller 8 and the upper roller 5, the metal plate is rolled. Then, the lifting seat 13 is pushed upward by the first hydraulic cylinder 14. Through the pulling of the chain 16, the bracket 17 rises and the roller 18 is supported on the inner edge of the upper end of the rolled plate, thereby achieving support for the upper end of the rolled plate. During unloading, the hydraulic cylinder 30 lowers the flap 31, allowing the rolled plate to be removed from the upper roller 5. This utility model has a reasonable structure. The lifting support mechanism is mounted on the first vertical plate 2. Through the cooperation of the first hydraulic cylinder 14, chain 16, lifting seat 13, sprocket 15, first fixed seat 21, second fixed seat 23, bracket 17, and slide 19, the bracket 17 can be raised and lowered. This allows the roller 18 to support the upper part of the rolled plate during the rolling process, greatly improving stability and preventing collapse. Simultaneously, a support plate 4 is provided on the upper surface of the first vertical plate 2. The sides of the support plate 4 are reinforced by reinforcing plates 32. The support plate 4 is also connected to the upper surface of the extension seat 6 via a screw 10, significantly improving the structural stability of the lifting support mechanism.

[0020] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

[0021] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications and equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A four-roll plate bending machine with a lifting support mechanism, characterized in that: Including the frame and lifting support mechanism; The frame includes a base frame (1), a first upright plate (2), a second upright plate (3), and a support plate (4). The first upright plate (2) and the second upright plate (3) are vertically arranged on the upper surface of the base frame (1). An upper roller (5) is connected to the middle position of the upper part of the first upright plate (2). An extension seat (6) is arranged on the outside of the first upright plate (2) and at the position of the upper roller (5). A lower roller (7) and two side rollers (8) are arranged between the first upright plate (2) and the second upright plate (3). A first motor (9) is arranged at the outer end of the extension seat (6). A support plate (4) is arranged at the top of the first upright plate (2). The support plate (4) is also connected to the upper surface of the extension seat (6) through a screw (10). The lifting support mechanism includes a base (11), a vertical frame (12), a lifting seat (13), a first hydraulic cylinder (14), a sprocket (15), a chain (16), a bracket (17), a roller (18), and a slide (19). The base (11) is connected to the upper surface of the support plate (4). The base (11) is vertically connected to the vertical frame (12). The vertical frame (12) is located above the first vertical plate (2). A guide groove (20) is opened inside the vertical frame (12). The first hydraulic cylinder (14) is provided at the bottom of the guide groove (20) of the vertical frame (12). A first fixed seat (21) is provided in the middle of the vertical frame (12). The lifting seat (13) is movably disposed at both ends of the guide groove (20) of the vertical frame (12) by two rollers (22). Inside, the piston rod of the first hydraulic cylinder (14) is connected to the lower surface of the lifting seat (13). The bottom sides of the lifting seat (13) are provided with sprockets (15) through the mounting groove. The sprockets (15) cooperate with the chain (16). One end of the chain (16) is connected to the first fixed seat (21). The slide (19) is slidably cooperated with the upright (12). The slide (19) is provided with a bracket (17) on the side above the upper roller (5). The upper surface of the bracket (17) is provided with a roller (18). The axis of the roller (18) is parallel to the axis of the upper roller (5). The inner side of the slide (19) is provided with a second fixed seat (23). The end of the chain (16) away from the first fixed seat (21) is connected to the second fixed seat (23).

2. A four-roll plate bending machine with a lifting support mechanism according to claim 1, characterized in that: The first vertical plate (2) and the second vertical plate (3) are both provided with longitudinal grooves (24) and inclined grooves (25). The two ends of the lower roller (7) are slidably engaged with the longitudinal grooves (24) through sliders (26). The two ends of the side roller (8) are slidably engaged with the inclined grooves (25) through sliders (26). The longitudinal grooves (24) and the inclined grooves (25) are each provided with a second hydraulic cylinder (27). The second hydraulic cylinder (27) is connected to the corresponding slider (26) respectively.

3. A four-roll plate bending machine with a lifting support mechanism according to claim 2, characterized in that: A second motor (29) is provided on the outside of the slider (26) connected to the lower roller (7) and near the end of the first vertical plate (2) via a motor base (28). The output shaft of the second motor (29) is connected to the lower roller (7).

4. A four-roll plate bending machine with a lifting support mechanism according to claim 1, characterized in that: A flap (31) is provided on the outer side of the second vertical plate (3) via a hydraulic cylinder (30). The flap (31) is provided with a shaft hole to support and cooperate with the upper roller (5) at the end away from the first vertical plate (2).

5. A four-roll plate bending machine with a lifting support mechanism according to claim 1, characterized in that: The pallet (4) is provided with reinforcing plates (32) on both sides and at the connection with the first upright plate (2).

6. A four-roll plate bending machine with a lifting support mechanism according to claim 1, characterized in that: A diagonal brace (33) is provided between the base (11) and the upright (12).

7. A four-roll plate bending machine with a lifting support mechanism according to claim 1, characterized in that: The slide (19) is provided with limit wheels (34) on both sides, and the limit wheels (34) are movably connected to both sides of the upright (12).

8. A four-roll plate bending machine with a lifting support mechanism according to claim 1, characterized in that: The guide groove (20) of the upright frame (12) is provided with partitions (35) on both sides, and two rollers (22) located on the same side of the lifting seat (13) are located on both sides of the partitions (35).

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