Four-roller plate rolling machine with position-limited feeding mechanism

Abstract

This utility model discloses a four-roll plate rolling machine with a limitable feeding mechanism. A first vertical plate and a second vertical plate are vertically arranged on the upper surface of the base frame. An upper roller is connected to the top of the middle position of the first vertical plate, and a lower roller is movably arranged between the first and second vertical plates. Side rollers are also movably arranged between the first and second vertical plates and on both sides of the lower roller. There are two feeding limit mechanisms, respectively arranged on both sides of the first and second vertical plates. The feeding limit mechanisms drive the rotating frame to rotate via a second hydraulic cylinder, and a support roller is arranged on the inner side of the rotating frame. This utility model has a reasonable structure. The first and second vertical plates are connected to the rotating frame on both sides via second hydraulic cylinders. The rotating frame rotates around a fixed plate, and a support roller is arranged on the inner side of the rotating frame. During feeding, the rotating frame can be laid flat, facilitating feeding. When rolling the plate, the rotating frame and the support rollers can limit the movement of both sides of the plate, ensuring stability during the rolling process and greatly improving flexibility.

Description

Technical Field

[0001] This utility model relates to the field of plate rolling machine technology, specifically a four-roll plate rolling machine with a limitable feeding 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 sheet metal, 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] When used for cylinder forming, the feeding rack of the current four-roll plate rolling machine is generally installed on one side, and the feeding rack is generally connected to the frame by a fixed connection or a finely adjustable angle. However, during the plate rolling process, there is generally no limit mechanism on both sides, which means that there is still room for improvement in the stability during the cylinder forming process. If the clamping structure on both sides is installed separately, the cost will be greatly increased. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. Utility Model Content

[0004] The purpose of this utility model is to provide a four-roll plate bending machine with a limitable feeding mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a four-roll plate bending machine with a limitable feeding mechanism, comprising a frame and a feeding limit mechanism;

[0006] The frame includes a base frame, a first upright plate, a second upright plate, and a flip 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 top of the middle position of the first upright plate. A lower roller is movably arranged between the first upright plate and the second upright plate. Side rollers are also movably arranged between the first upright plate and the second upright plate and on both sides of the lower roller. A first support and a second support are arranged at the end of the second upright plate away from the first upright plate. The first support is movably connected to a first hydraulic cylinder through a rotating shaft. One end of the flip plate is movably connected to the second support through a rotating shaft. The piston rod of the first hydraulic cylinder is rotatably connected to one side of the flip plate through a rotating shaft. The flip plate has a shaft hole, and the shaft hole of the flip plate is engaged with the end of the upper roller away from the first upright plate.

[0007] There are two feeding limiting mechanisms, which are respectively arranged on both sides of the first and second upright plates. Each feeding limiting mechanism includes a fixed plate, a second hydraulic cylinder, a tilting frame, and rollers. There are two fixed plates and two second hydraulic cylinders. The two fixed plates are respectively arranged on the sides of the first and second upright plates. The second hydraulic cylinders correspond one-to-one with the fixed plates and are rotatably connected to the corresponding fixed plates through rotating shafts. The two ends of the tilting frame are rotatably connected to the two fixed plates through rotating shafts. Rollers are arranged on the inner side of the tilting frame through bearing seats. The piston rods of the two second hydraulic cylinders are movably connected to both sides of the tilting frame through rotating shafts.

[0008] Preferably, the present invention provides a four-roll plate bending machine with a limitable feeding mechanism, wherein a longitudinal guide groove is provided at the middle position of the first vertical plate and the second vertical plate, and two mutually symmetrical oblique guide grooves are provided on both the first vertical plate and the second vertical plate. The two ends of the lower roller are slidably engaged with the longitudinal guide grooves of the first vertical plate and the second vertical plate through the first guide block. There are two side rollers, and the two ends are respectively slidably connected to the oblique guide grooves of the first vertical plate and the second vertical plate through the second guide block.

[0009] Preferably, the present invention provides a four-roll plate bending machine with a limitable feeding mechanism, wherein a first motor is provided on the outer side of the first vertical plate via a motor base, and the output shaft of the first motor is connected to the end of the upper roller.

[0010] Preferably, the present invention provides a four-roll plate bending machine with a limitable feeding mechanism, wherein a second motor is provided on the outside of the first guide block located on one side of the first vertical plate, and the output shaft of the second motor is connected to the end of the lower roller.

[0011] Preferably, the present invention provides a four-roll plate bending machine with a limitable feeding mechanism, wherein a first hydraulic cylinder is provided in the longitudinal guide groove, and the piston rod of the first hydraulic cylinder is connected to the first guide blocks at both ends of the lower roller.

[0012] Preferably, the present invention provides a four-roll plate rolling machine with a limitable feeding mechanism, wherein a second hydraulic cylinder is provided in the inclined guide groove, and the piston rod of the second hydraulic cylinder is connected to the second guide blocks at both ends of the side roller.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The first and second upright plates are connected to the tilting frame on both sides by the second hydraulic cylinder. The tilting frame rotates around the fixed plate. The tilting frame is equipped with rollers on the inside. When feeding, the tilting frame can be laid flat to facilitate feeding. When rolling the plate, the tilting frame and rollers can limit the movement of the two sides of the plate, ensuring the stability of the plate rolling process and greatly improving flexibility. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of the present invention;

[0016] Figure 2 This is a side view of the structure of this utility model.

[0017] In the diagram: base frame 1, first upright plate 2, second upright plate 3, flip plate 4, upper roller 5, lower roller 6, side roller 7, first support 8, second support 9, first hydraulic cylinder 10, fixed plate 11, second hydraulic cylinder 12, flipping frame 13, idler roller 14, longitudinal guide groove 15, oblique guide groove 16, first guide block 17, second guide block 18, first motor 19, second motor 20, first hydraulic cylinder 21, second hydraulic cylinder 22. Detailed Implementation

[0018] 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.

[0019] 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.

[0020] Please see Figure 1-2 This utility model provides a technical solution: a four-roll plate bending machine with a limitable feeding mechanism, including a frame and a feeding limit mechanism;

[0021] The frame includes a base frame 1, a first upright plate 2, a second upright plate 3, and a flip 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 top of the middle position of the first upright plate 2. A first motor 19 is mounted on the outer side of the first upright plate 2 via a motor mount. The output shaft of the first motor 19 is connected to the end of the upper roller 5, driving the upper roller 5 to rotate. A lower roller 6 is movably arranged between the first upright plate 2 and the second upright plate 3. Side rollers 7 are also movably arranged between the first upright plate 2 and the second upright plate 3, located on both sides of the lower roller 6. The vertical plate 3 is provided with a first support 8 and a second support 9 at the end away from the first vertical plate 2. The first support 8 is movably connected to the first oil cylinder 10 through a rotating shaft. One end of the flip plate 4 is movably connected to the second support 9 through a rotating shaft. The piston rod of the first oil cylinder 10 is rotatably connected to one side of the flip plate 4 through a rotating shaft. The flip plate 4 has a shaft hole. The shaft hole of the flip plate 4 is engaged with the end of the upper roller 5 away from the first vertical plate 2. When the piston rod of the first oil cylinder 10 retracts, the flip plate 4 disengages from the upper roller 5. When the piston rod of the first oil cylinder 10 pushes outward, the shaft hole of the flip plate 4 is engaged with the end of the upper roller 5 for support.

[0022] There are two feeding limiting mechanisms, which are respectively set on both sides of the first upright plate 2 and the second upright plate 3. The feeding limiting mechanism includes a fixed plate 11, a second hydraulic cylinder 12, a tilting frame 13 and a roller 14. There are two fixed plates 11 and two second hydraulic cylinders 12. The two fixed plates 11 are respectively set on the sides of the first upright plate 2 and the second upright plate 3. The second hydraulic cylinder 12 corresponds to the fixed plate 11 one by one. The second hydraulic cylinder 12 is rotatably connected to the corresponding fixed plate 11 through a rotating shaft. The two ends of the tilting frame 13 are rotatably connected to the two fixed plates 11 through rotating shafts. The roller 14 is set on the inner side of the tilting frame 13 through a bearing seat. The piston rods of the two second hydraulic cylinders 12 are movably connected to both sides of the tilting frame 13 through rotating shafts. When the piston rod of the second hydraulic cylinder 12 retracts, the tilting frame 13 lies flat. When the piston rod of the second hydraulic cylinder 12 pushes outward, the tilting frame 13 stands up and can limit and support both sides of the rolled plate according to the actual situation.

[0023] A longitudinal guide groove 15 is provided between the first upright plate 2 and the second upright plate 3. Both the first upright plate 2 and the second upright plate 3 have two symmetrical oblique guide grooves 16. The lower roller 6 is slidably connected to the longitudinal guide grooves 15 of the first upright plate 2 and the second upright plate 3 at both ends via first guide blocks 17, allowing the lower roller 6 to move up and down along the longitudinal guide grooves 15. There are two side rollers 7, each with its ends slidably connected to the oblique guide grooves 16 of the first upright plate 2 and the second upright plate 3 via second guide blocks 18, allowing the side rollers 7 to move obliquely along the oblique guide grooves 16. Through the cooperation of the side rollers 7, the lower roller 6, and the upper roller 5, the metal sheet can be rolled. The radius of the roll plate is controlled by a first hydraulic cylinder 21 installed in the longitudinal guide groove 15. The piston rod of the first hydraulic cylinder 21 is connected to the first guide blocks 17 at both ends of the lower roller 6, so as to drive the lower roller 6 to rise and fall through the first hydraulic cylinder 21. A second motor 20 is installed outside the first guide block 17 on one side of the first vertical plate 2. The output shaft of the second motor 20 is connected to the end of the lower roller 6, so as to drive the lower roller 6 to rotate through the second motor 20. A second hydraulic cylinder 22 is installed in the inclined guide groove 16. The piston rod of the second hydraulic cylinder 22 is connected to the second guide blocks 18 at both ends of the side roller 7, so as to drive the side roller 7 to move obliquely through the second hydraulic cylinder 22.

[0024] Working method and operating principle: When feeding, the piston rod of the first hydraulic cylinder 10 pushes outward, causing the flip plate 4 to rotate around the pivot of the second support 9, so that the shaft hole of the flip plate 4 is supported and engaged with the end of the upper roller 5 away from the first upright plate 2. Then, the piston rod of the second hydraulic cylinder 12 retracts, driving the flipping frame 13 to lie flat. At this time, the plate is supported on the support roller 14. The piston rods of the first hydraulic cylinder 21 and the second hydraulic cylinder 22 both retract, causing the lower roller 6 and the side roller 7 to descend, thereby moving the plate onto the lower roller 6 and the side roller 7. Then, the lower roller 6 is raised by the first hydraulic cylinder 21, and the first motor 19 and the second motor 20 are started at the same time to move the plate forward. At the same time, according to the processing radius, the side roller 7 is raised by the second hydraulic cylinder 22. Through the cooperation of the upper roller 5, the lower roller 6 and the two side rollers 7, the second hydraulic cylinders 12 on both sides drive the flipping frame 13 to stand up. During the plate rolling process, the support roller 14 abuts against the two sides of the plate to complete the plate rolling process. During discharge, the piston rod of the first hydraulic cylinder 10 retracts, the flip plate 4 disengages from the upper roller 5, and the lower roller 6 and side roller 7 descend via the first hydraulic cylinder 21 and the second hydraulic cylinder 22, finally causing the rolled plate to leave the rolling machine from one end of the second vertical plate 3. This utility model has a reasonable structure. The first vertical plate 2 and the second vertical plate 3 are respectively connected to the flipping frame 13 via the second hydraulic cylinder 12. The flipping frame 13 rotates around the fixed plate 11, and the inner side of the flipping frame 13 is equipped with a support roller 14. During feeding, the flipping frame 13 can be laid flat, facilitating feeding. When rolling, the flipping frame 13 and the support roller 14 can limit the movement of both sides of the rolled plate, ensuring stability during the rolling process and greatly improving flexibility.

[0025] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

[0026] 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 limitable feeding mechanism, characterized in that: Including the frame and the loading limit mechanism; The frame includes a base frame (1), a first upright plate (2), a second upright plate (3), and a flip 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 top of the middle position of the first upright plate (2). A lower roller (6) is movably arranged between the first upright plate (2) and the second upright plate (3). Side rollers (7) are movably arranged between the first upright plate (2) and the second upright plate (3) and on both sides of the lower roller (6). The second vertical plate (3) is provided with a first support (8) and a second support (9) at the end away from the first vertical plate (2). The first support (8) is movably connected to the first oil cylinder (10) through a rotating shaft. One end of the flip plate (4) is movably connected to the second support (9) through a rotating shaft. The piston rod of the first oil cylinder (10) is rotatably connected to one side of the flip plate (4) through a rotating shaft. The flip plate (4) has a shaft hole. The shaft hole of the flip plate (4) is engaged with the end of the upper roller (5) away from the first vertical plate (2). There are two feeding limiting mechanisms, which are respectively set on both sides of the first upright plate (2) and the second upright plate (3). The feeding limiting mechanism includes a fixed plate (11), a second oil cylinder (12), a tilting frame (13) and a roller (14). There are two fixed plates (11) and two second oil cylinders (12). The two fixed plates (11) are respectively set on the sides of the first upright plate (2) and the second upright plate (3). The second oil cylinder (12) corresponds to the fixed plate (11) one by one. The second oil cylinder (12) is rotatably connected to the corresponding fixed plate (11) through a rotating shaft. The two ends of the tilting frame (13) are rotatably connected to the two fixed plates (11) through rotating shafts. The roller (14) is set on the inner side of the tilting frame (13) through a bearing seat. The piston rods of the two second oil cylinders (12) are movably connected to both sides of the tilting frame (13) through rotating shafts.

2. The four-roll plate bending machine with a limitable feeding mechanism according to claim 1, characterized in that: A longitudinal guide groove (15) is provided in the middle of the first vertical plate (2) and the second vertical plate (3). Two symmetrical oblique guide grooves (16) are provided in both the first vertical plate (2) and the second vertical plate (3). The two ends of the lower roller (6) are slidably connected to the longitudinal guide grooves (15) of the first vertical plate (2) and the second vertical plate (3) through the first guide block (17). There are two side rollers (7), and the two ends are slidably connected to the oblique guide grooves (16) of the first vertical plate (2) and the second vertical plate (3) through the second guide block (18).

3. A four-roll plate bending machine with a limitable feeding mechanism according to claim 1, characterized in that: A first motor (19) is mounted on the outside of the first upright plate (2) via a motor base, and the output shaft of the first motor (19) is connected to the end of the upper roller (5).

4. A four-roll plate bending machine with a limitable feeding mechanism according to claim 2, characterized in that: A second motor (20) is provided on the outside of the first guide block (17) located on one side of the first vertical plate (2), and the output shaft of the second motor (20) is connected to the end of the lower roller (6).

5. A four-roll plate bending machine with a limitable feeding mechanism according to claim 2, characterized in that: The longitudinal guide groove (15) is provided with a first hydraulic cylinder (21), and the piston rod of the first hydraulic cylinder (21) is connected to the first guide blocks (17) at both ends of the lower roller (6).

6. A four-roll plate bending machine with a limitable feeding mechanism according to claim 2, characterized in that: A second hydraulic cylinder (22) is provided inside the inclined guide groove (16), and the piston rod of the second hydraulic cylinder (22) is connected to the second guide blocks (18) at both ends of the side roller (7).

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