Quick lifting structure of fine straightening machine

Abstract

The utility model relates to the technical field of plate processing, in particular to a quick lifting structure of a precision straightening machine. The device is arranged on the upper portion of the fine straightening machine and comprises an upper machine frame and an upper platform, the upper platform is located above the upper machine frame, a first hydraulic cylinder is arranged between the upper platform and the upper machine frame, a cylinder body of the first hydraulic cylinder is fixed to the upper platform, and the end of a piston rod of the first hydraulic cylinder is fixed to the upper side of the upper machine frame. Mounting seats are fixed above the lower rack and below the upper rack, a plurality of working rollers are rotationally connected to the opposite sides of the mounting seats, a transmission structure is arranged on one side of each working roller and comprises a first motor provided with a speed reducer, and the output end of each first motor is fixedly connected to the end of the corresponding working roller through a ball cage coupling. According to the utility model, the plurality of hydraulic cylinders are arranged between the upper rack and the upper platform, so that the upper rack can be quickly lifted, the roll gap opening speed is accelerated, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a fast lifting structure of a precision leveling machine. Background Art

[0002] Plates can be used in roofs, ships, building materials processing and other fields. They are a very important material. Plates need to go through multiple processes such as coating, straightening, rolling, shearing, and testing during processing. Plates need to be stitched before processing. This is because when the plates are coated, they are coated piece by piece, which is not only inefficient but also wastes raw materials. Therefore, two plates need to be stitched together by a stitching machine, and then the stitched plates are processed. In the process of straightening the plates, the parts where the two plates are stitched together by the stitching machine will warp and bend. At this time, it is necessary to adjust the height of the roller system of the upper frame of the fine straightening machine so that the overlapping plates can pass through without affecting the subsequent straightening process. Most of the current fine straightening machines use a motor with a reducer to drive the upper frame to rise and fall. This method takes about 10 minutes to open the roller gap, which wastes time, has low production efficiency, and causes a lot of waste due to long downtime. Summary of the invention

[0003] In order to solve the technical problems that the existing fine straightening machine drives the upper frame to rise and fall slowly by means of a motor with a reducer, which wastes time, has low production efficiency and causes a lot of waste due to long downtime, the utility model proposes a fast lifting structure for a fine straightening machine, which can quickly lift the upper frame by means of multiple hydraulic cylinders arranged between the upper frame and the upper platform, thereby accelerating the speed of opening the roller gap and improving production efficiency.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a fast lifting structure of a fine straightening machine, which is arranged on the upper part of the fine straightening machine, and includes an upper frame and an upper platform. The upper platform is located above the upper frame, and a first hydraulic cylinder is arranged between the upper platform and the upper frame. One end of the cylinder body of the first hydraulic cylinder is fixed on the upper platform, and the end of the piston rod of the first hydraulic cylinder is fixed to the upper side of the upper frame. A lower frame is also provided at the lower part of the fine straightening machine, and the lower frame is located below the upper frame. Mounting seats are fixed above the lower frame and below the upper frame. A plurality of working rollers are rotatably connected to the opposite sides of the mounting seats. A transmission structure is provided on one side of the working roller, and the transmission structure includes a first motor provided with a reducer, and the output end of the first motor is fixedly connected to the end of the working roller.

[0005] Preferably, the output end of the first motor is fixedly connected to the end of the working roll through a ball cage coupling. The end of the ball cage coupling fixedly connected to the working roll is retractable, and the coupling is extended when the upper frame rises, and shortened when it falls.

[0006] Preferably, a fine-tuning mechanism is further provided between the upper platform and the upper frame, the fine-tuning mechanism is located at the four corners of the upper frame, a power mechanism is provided above the fine-tuning mechanism, the fine-tuning mechanism includes a screw and a nut, a screw is provided on the sliding sleeve on the output shaft of the power mechanism, a nut is provided on the sliding sleeve outside the screw, an outer cylinder is provided on the outer side of the screw, the nut is located between the screw and the outer cylinder, the upper end of the outer cylinder is fixed to the upper platform, and the lower end is fixed to the lower end of the nut through a top plate and a nut. A clamping groove is provided on the side of the outer cylinder close to the nut, the upper end of the nut abuts against the clamping groove, and the lower end is fixed to the outer cylinder through a top plate and a Luo Shuang. After the upper frame rises and falls through the first hydraulic cylinder, it is necessary to fine-tune the gap between the working rollers on the two mounting seats to ensure the accuracy of correction. The main function of the second fine-tuning mechanism is to play a role of downward pressure fine-tuning on the upper frame.

[0007] Preferably, the power mechanism includes a second motor, a coupling and two reducers, the second motor is fixed to the lower side of the upper platform through a bracket, the two reducers are connected by a coupling, the output end of the second motor is connected to the input end of a reducer, and a lead screw is slidably sleeved on the output end of the reducer. The transmission connection of the two fine-tuning mechanisms is realized by a second motor, two reducers and a coupling, and the synchronous movement of the two fine-tuning mechanisms is realized, the fine-tuning effect is guaranteed, and the cost is reduced.

[0008] Preferably, the screw rod is also provided with a bearing, the bearing is located below the screw nut, and a detachably connected pin block is provided at one end of the screw rod passing through the bearing. The inner side of the pin block is connected to the end of the screw rod by a thread. During the process of fine-tuning the upper frame by the fine-tuning mechanism, the pin block directly contacts the upper end of the upper frame and is the main force-bearing mechanism. At the same time, before the first hydraulic cylinder lifts the upper frame, the pin block needs to be removed to avoid position interference.

[0009] Preferably, locking mechanisms are provided on both sides of the upper frame, and the locking mechanisms include an upper support, a second hydraulic cylinder, a lower support, a pin and a swing arm. The upper support and the lower support are connected to the upper frame through a positioning key, and both ends of the second hydraulic cylinder are respectively connected to the upper support and the swing arm through a pin. The swing arm is hinged to the lower support, and the swing arm is contact-connected to the mounting seat. After the fine-tuning mechanism fine-tunes the upper frame, in order to ensure the stability of the working rolls on the upper frame during the operation of the fine-straightening machine, the swing arm is adjusted by the second hydraulic cylinder to improve the stability of the working rolls during operation.

[0010] Preferably, feed rollers are provided on both sides of the working roller.

[0011] Preferably, the lower frame is fixed on the lower platform, and the lower platform is fixed to the ground through a shim, and the shim is fixed to the lower platform through bolts.

[0012] Through the above technical scheme, the beneficial effects of the utility model are as follows: the utility model realizes rapid adjustment of the height of the upper frame by means of the first hydraulic cylinder arranged between the upper frame and the upper platform, thereby being able to quickly adjust the height of the roller gap, so that the overlapping part of the two plates can quickly pass through the fine straightening machine, thereby improving work efficiency while reducing the generation of waste, and the utility model is also provided with a fine-tuning mechanism between the upper frame and the upper platform, which can improve the accuracy of the working rollers during the working process, thereby improving the straightening accuracy of the fine straightening machine, and the second hydraulic cylinder fixed on the upper frame drives the swing arm to abut the mounting seat when working, further improving the stability of the working rollers during operation, thereby improving the straightening accuracy of the fine straightening machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a fast lifting structure of a precision straightening machine of the utility model. Figure 1 ;

[0014] Figure 2 This is a schematic diagram of the structure of a fast lifting structure of a precision straightening machine of the utility model. Figure 2 ;

[0015] Figure 3 This is an enlarged structural diagram of the A portion of a fast lifting structure of a precision straightening machine of the utility model;

[0016] Figure 4 This is an enlarged structural diagram of location B of a rapid lifting structure of a precision straightening machine of the utility model.

[0017] The numbers in the accompanying drawings are: 1 is an upper frame, 2 is an upper platform, 3 is a first hydraulic cylinder, 4 is a lower frame, 5 is a mounting seat, 6 is a working roller, 7 is a first motor, 8 is a ball cage coupling, 9 is a second motor, 10 is a screw rod, 11 is a nut, 12 is a bracket, 13 is a top plate, 14 is a bearing, 15 is a pin block, 16 is an upper support, 17 is a second hydraulic cylinder, 18 is a lower support, 19 is a pin shaft, 20 is a swing arm, 21 is a positioning key, 22 is a feed roller, 23 is a lower platform, 24 is a shim, 25 is an outer cylinder, 26 is a reducer, and 27 is a coupling. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0019] like Figure 1 to Figure 4As shown, the present embodiment provides a fast lifting structure of a fine straightening machine, which is arranged on the upper part of the fine straightening machine, and includes an upper frame 1 and an upper platform 2. The upper platform 2 is located above the upper frame 1. A plurality of first hydraulic cylinders 3 are arranged between the upper platform 2 and the upper frame 1. The cylinder bodies of the first hydraulic cylinders 3 are fixed on the upper platform 2. The ends of the piston rods of the first hydraulic cylinders 3 are fixed to the upper side of the upper frame 1. A lower frame 4 is also arranged at the lower part of the fine straightening machine. The lower frame 4 is located below the upper frame 1. Mounting seats 5 are fixed above the lower frame 4 and below the upper frame 1. A plurality of working rollers 6 are rotatably connected to the opposite sides of the two mounting seats 5. The working rollers 6 6 is provided with a transmission structure on one side, the transmission structure includes a first motor 7 provided with a reducer, the output end of the first motor 7 is fixedly connected to the end of the working roller 6 through a ball cage coupling 8, four fine-tuning mechanisms are also provided between the upper platform 2 and the upper frame 1, the four fine-tuning mechanisms are located at the four corners of the upper frame 1, two power mechanisms are provided above the fine-tuning mechanisms, the fine-tuning mechanisms include a screw rod 10 and a nut 11, the sliding sleeves on the two output shafts of the power mechanism are provided with screw rods 10, the sliding sleeves outside the screw rod 10 are provided with nut 11, the outer side of the screw rod 10 is provided with an outer cylinder 25, the nut 11 is located between the screw rod 10 and the outer cylinder 25 The upper end of the outer cylinder 25 is fixed to the upper platform 2, and the lower end is fixed to the lower end of the nut 11 through the top plate 13 and the nut. The two power mechanisms include a second motor 9, a coupling 27 and two reducers 26. The second motor 9 is fixed to the upper platform 2 through the bracket 12. The two reducers 26 are connected by the coupling 27. The output end of the second motor 9 is connected to the input end of a reducer 26. The output end of the reducer 26 is slidably sleeved with a screw rod 10. The screw rod 10 is also provided with a bearing 14. The bearing 14 is located below the nut 11. One end of the screw rod 10 passing through the bearing 14 is provided with There is a detachably connected pin block 15, and locking mechanisms are provided on both sides of the upper frame 1. The locking mechanisms include an upper support 16, a second hydraulic cylinder 17, a lower support 18, a pin shaft 19 and a swing arm 20. The upper support 16 and the lower support 18 are connected to the upper frame 1 through a positioning key 21, and the two ends of the second hydraulic cylinder 17 are respectively connected to the upper support 16 and the swing arm 20 through a pin shaft. The swing arm 20 is hinged to the lower support 18, and the swing arm 20 is in contact with the mounting seat 5. The lower frame 4 is fixed on the lower platform 23, and the lower platform 23 is fixed to the ground through a washer 24, and the washer 24 is fixed to the lower platform 23 through bolts.

[0020] In this embodiment, the first motor 7 works to drive the roller system formed by the working rollers 6 to rotate, thereby straightening the plate passing through the roller gap. When the overlapping part of the two plates needs to pass through the roller gap, the roller gap height needs to be adjusted. First, the pin block 15 in the fine-tuning mechanism is removed to avoid interference with the lifting of the upper frame 1. At this time, the first hydraulic cylinder 3 works to drive the upper frame 1 to rise, thereby increasing the spacing of the roller gaps. When the machine train drives the overlapping part of the two plates away from the bottom of the fine-straightening machine, the piston rod of the first hydraulic cylinder 3 drives the upper frame 1 to descend again, and adjusts the spacing between the working roller gaps to a suitable distance. At this time, the pin block 15 in the fine-tuning device is installed at the lower end of the screw rod 10, and then the second motor 9 starts to work, driving the screw rod 11 slidingly connected to the output end of the reducer 26 to move downward, so that the lower end of the screw rod 11 presses down on the upper frame 1 to fine-tune the roller gap spacing and improve the straightening accuracy of the fine-straightening machine.

[0021] In this embodiment, the four fine-tuning mechanisms are equipped with two power mechanisms to realize the up and down movement of the four screw rods 11 .

[0022] In this embodiment, the upper support 16, the lower support 18 and the upper bracket 1 are connected by a positioning key 21, and the two ends of the second hydraulic cylinder 17 are respectively connected to the upper support 16 and the swing arm 20 through a pin 19. The swing arm 20 is hinged to the lower support 18. When the second hydraulic cylinder 17 is working, it can drive the swing arm 20 to swing around the lower support 18, and drive the swing arm 20 to press or detach from the mounting seat 5.

[0023] As an implementable embodiment, feed rollers 22 are provided on both sides of the working roller 6 .

[0024] When the finishing machine is working normally, the first motor 7 works to drive the roller system formed by the working rollers 6 to rotate, so as to straighten the plate passing through the roller gap. When the overlapping part of the two plates needs to pass through the roller gap, the roller gap height needs to be adjusted, and the pin block 15 in the fine-tuning mechanism is removed. At this time, the first hydraulic cylinder 3 works to drive the upper frame 1 to rise, thereby increasing the spacing of the roller gaps. When the machine train drives the overlapping part of the two plates away from the bottom of the finishing machine, the piston rod of the first hydraulic cylinder 3 drives the upper frame 1 to descend again, and adjusts the spacing between the roller gaps of the working rollers 6 to a suitable distance. At this time, the pin block 15 in the fine-tuning device is installed at the lower end of the screw rod 10, and then the second motor 9 starts to work, driving the screw rod 11 slidingly connected to the output end of the reducer 26 to move downward, so that the lower end of the screw rod 11 presses down on the upper frame 1 to fine-tune the roller gap spacing.

[0025] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A fast lifting structure of a fine straightening machine, arranged on the upper part of the fine straightening machine, characterized in that: The machine comprises an upper frame (1) and an upper platform (2), wherein the upper platform (2) is located above the upper frame (1), a first hydraulic cylinder (3) is provided between the upper platform (2) and the upper frame (1), one end of a cylinder body of the first hydraulic cylinder (3) is fixed on the upper platform (2), and an end of a piston rod of the first hydraulic cylinder (3) is fixed to the upper side of the upper frame (1); The lower part of the fine straightening machine is also provided with a lower frame (4), the lower frame (4) is located below the upper frame (1), a mounting seat (5) is fixed above the lower frame (4) and below the upper frame (1), a plurality of working rollers (6) are rotatably connected to the opposite side of the mounting seat (5), and a transmission structure is provided on one side of the working rollers (6); The transmission structure comprises a first motor (7) provided with a reducer, wherein the output end of the first motor (7) is fixedly connected to the end of the working roller (6).

2. A fast lifting structure for a fine straightening machine according to claim 1, characterized in that: The output end of the first motor (7) is fixedly connected to the end of the working roll (6) via a ball cage coupling (8).

3. The fast lifting structure of a fine straightening machine according to claim 1 is characterized in that: A fine adjustment mechanism is also provided between the upper platform (2) and the upper frame (1), the fine adjustment mechanism being located at the four corners of the upper frame (1), a power mechanism being provided above the fine adjustment mechanism, the fine adjustment mechanism comprising a screw rod (10) and a nut (11), a sliding sleeve on the output shaft of the power mechanism being provided with a screw rod (10), a sliding sleeve outside the screw rod (10) being provided with a nut (11), an outer cylinder (25) being provided outside the screw rod (10), the nut (11) being located between the screw rod (10) and the outer cylinder (25), the upper end of the outer cylinder (25) being fixed to the upper platform (2), and the lower end being fixed to the lower end of the nut (11) through a top plate (13) and a nut.

4. A fast lifting structure for a fine straightening machine according to claim 3, characterized in that: The power mechanism comprises a second motor (9), a coupling (27) and two reducers (26); the second motor (9) is fixed to the upper platform (2) via a bracket (12); the two reducers (26) are connected in transmission via the coupling (27); the output end of the second motor (9) is connected to the input end of one reducer (26); and a screw rod (10) is slidably sleeved on the output end of each reducer (26).

5. The fast lifting structure of a fine straightening machine according to claim 3 is characterized in that: The screw rod (10) is also provided with a bearing (14), the bearing (14) being located below the screw nut (11), and one end of the screw rod (10) passing through the bearing (14) is provided with a detachably connected pin block (15).

6. The fast lifting structure of a fine straightening machine according to claim 1 is characterized in that: Both sides of the upper frame (1) are provided with locking mechanisms, which include an upper support (16), a second hydraulic cylinder (17), a lower support (18), a pin (19) and a swing arm (20). The upper support (16) and the lower support (18) are connected to the upper frame (1) via a positioning key (21). Both ends of the second hydraulic cylinder (17) are respectively connected to the upper support (16) and the swing arm (20) via a pin (19). The swing arm (20) is hinged to the lower support (18), and the swing arm (20) is contact-connected to the mounting seat (5).

7. The fast lifting structure of a fine straightening machine according to claim 1 is characterized in that: Feed rollers (22) are provided on both sides of the working roller (6).

8. The fast lifting structure of a fine straightening machine according to claim 1 is characterized in that: The lower frame (4) is fixed on the lower platform (23), and the lower platform (23) is fixed to the ground via a washer (24).

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