Convenient roller dismounting mechanism
By designing a convenient roll removal mechanism, the left frame is moved laterally by a hydraulic cylinder and the rolls are removed with the assistance of a traveling crane. This solves the problem of time-consuming and labor-intensive traditional roll removal, achieving efficient roll removal and replacement, and improving production efficiency and the quality of finished steel pipes.
Patent Information
- Application Number
- CN202423229769.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In the roll forming process of steel pipe manufacturing, the traditional disassembly and replacement of rolls is time-consuming and labor-intensive, affecting production efficiency, increasing downtime and costs, and may lead to quality problems in the finished steel pipes.
A convenient roll removal mechanism is designed, which uses a hydraulic cylinder to drive the left frame to move laterally to the roll removal area, and then uses a crane or forklift to remove the rolls, so as to realize the quick disassembly and replacement of the rolls. The smoothness of the hydraulic cylinder drive and the simplicity of the structure improve the convenience and stability of operation.
It enables rapid disassembly and replacement of rolls, saving labor and downtime, reducing production costs, ensuring the quality and connection precision of finished steel pipes, and reducing the impact of vibration and shock.
Smart Images
Figure CN223571737U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of steel pipe roll pressing manufacturing technology, in particular to a roll dismounting and roll unloading device in steel pipe roll pressing manufacturing. BACKGROUND
[0002] Roll forming is a technique that obtains various open, closed, and wide deformation section metal profiles by continuously rolling and bending metal plates or strips. During the roll pressing of steel pipes, the metal plates or strips are fed into a roll forming device, which is composed of a series of rollers. These rollers continuously roll and bend to apply pressure to the metal plates or strips, gradually deforming them into the desired shape of steel pipes.
[0003] In the roll pressing manufacturing of steel pipes, different rollers need to be replaced to meet different manufacturing requirements. The rollers are clamped by a fixing mechanism. In the traditional dismounting and replacing process, the fixing mechanism on one side needs to be removed first, and then the roller parts are gradually dismounted, which consumes a lot of time and effort, affects production efficiency, and may increase downtime, increasing production costs. Moreover, repeated dismounting and mounting may lead to a decrease in connection precision, which may adversely affect the quality of finished steel pipes, causing defects such as cracks and folds in the cross section of the steel pipes. SUMMARY
[0004] The utility model aims at overcoming the defects in the prior art, providing a convenient roll dismounting mechanism that can quickly dismount and replace rollers, improve operation convenience, save time, save production costs, and ensure the quality of finished steel pipes.
[0005] The utility model works as follows: a convenient roll dismounting mechanism includes a machine base and a roller fixing mechanism arranged above the machine base. The roller fixing mechanism includes oppositely arranged left and right machine frames. An oil cylinder is arranged on the machine base, and the piston rod of the oil cylinder is connected to the bottom of the left machine frame. Fixed tables are arranged on the top of the left and right machine frames. Left and right connecting sleeves are arranged on the opposite sides of the fixed tables. A horizontal rod is arranged between the connecting sleeves, and one end of the horizontal rod is fixedly arranged in the right connecting sleeve, and the other end is movably arranged in the left connecting sleeve.
[0006] During operation, the left machine frame is pushed horizontally on the machine base by the oil cylinder below the device. After the left machine frame is pushed to the roll unloading area on the machine base, it is removed by a travelling crane or a forklift. Then, the roller is dismounted using a roll pulling device. After the operation is completed, a new roller spacer and a new roller are installed, realizing efficient operation of the entire work process.
[0007] Compared with the prior art, the utility model has the following advantages:
[0008] Firstly, the device drives the left rack to the roll changing area of the stand through the oil cylinder, then the roll is disassembled and replaced, and the fixing mechanism of the roll is removed as a whole, so that the whole work process can be operated efficiently, the labor and downtime are saved, and the production cost is saved.
[0009] Secondly, the device is driven by the oil cylinder, the oil cylinder is arranged at the bottom of the device, the oil cylinder has high bearing capacity and high speed, the disassembly and movement of the roll fixing mechanism can be realized quickly and conveniently, the movement of the oil cylinder is stable, the vibration and impact of the whole device are reduced, the influence on the connection precision of the device is reduced, the quality of the finished steel pipe is ensured, the oil cylinder driving system has simple structure, and the maintenance and maintenance are easy, and the use and maintenance cost is reduced.
[0010] Thirdly, the whole device has simple and compact structure, and the whole device is vertically arranged, so that the occupied space is saved and the whole device is convenient to move.
[0011] Further, the roll dismounting area of the stand is provided with a base plate along the length direction of the stand, the opposite inner sides of the base plate are provided with notches, the bottom of the left rack is provided with a sliding plate matched with the notches, and a pressing plate is further arranged above the base plate; the pressing plate can apply a certain pressure to the sliding plate, so that the position of the sliding plate in the notch of the base plate is kept fixed, the sliding plate is prevented from moving due to vibration, impact or other external force, and the stability of the whole sliding assembly system is improved.
[0012] Further, a plurality of round holes are arranged on the upper surface of the pressing plate; the positions of the pressing plate and the sliding plate are adjusted through the round holes, so that the flexibility and adaptability of the left rack during transverse movement are improved.
[0013] Further, the right rack is fixedly connected to the stand, and one end of the fixing seat of the oil cylinder is fixedly connected to the bottom of the right rack; when the left rack is transversely moved to the roll dismounting area by the oil cylinder, the position of the right rack is fixed, the roll is separated from the left rack, and the roll can be disassembled and replaced.
[0014] Further, the left rack and the right rack are respectively provided with connecting rods on the upper front and rear sides, one end of the connecting rod is fixedly connected to the right rack, and the other end of the connecting rod is movably inserted into the mounting block of the left rack. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a three-dimensional structure schematic view of the roll dismounting mechanism of the utility model.
[0016] Fig. 2 It is a front view of the roll dismounting mechanism of the utility model.
[0017] Fig. 3 It is a top view of the roll dismounting mechanism of the utility model.
[0018] In the above figure, 1 left rack, 2 pressing plate, 3 machine base, 4 oil cylinder, 5 left connecting sleeve, 6 fixed table, 7 crossbar, 8 right connecting sleeve, 9 right rack, 10 connecting rod, 11 mounting block, 12 base plate, 13 sliding plate. DETAILED DESCRIPTION
[0019] As Figs. 1-3 shown in a convenient roll mechanism, including the base 3 and the roll fixing mechanism arranged above the base 3, the roll fixing mechanism includes oppositely arranged left rack 1 and right rack 9, the base 3 is provided with oil cylinder 4, the piston rod of the oil cylinder 4 is connected with the bottom of the left rack 1; the top of the left rack 1 and the right rack 9 is respectively provided with a fixed table 6, the opposite two sides of the fixed table 6 are respectively provided with left and right connecting sleeves, the left and right connecting sleeves are provided with a crossbar 7, one end of the crossbar 7 is fixedly arranged in the right connecting sleeve 8, and the other end is movably arranged in the left connecting sleeve 5.
[0020] The unloading area of the base 3 is provided with a base plate 12 along the length direction of the base 3, the opposite inner sides of the base plate 13 are provided with notches, the bottom of the left rack 1 is provided with a sliding plate 13 matched with the notches, and the upper side of the base plate 12 is further provided with a pressing plate 2; the pressing plate 2 can exert a certain pressure on the sliding plate 13, so that the sliding plate 13 can be kept in a fixed position in the notch of the base plate 12, the sliding plate 13 is prevented from moving due to vibration, impact or other external force, and the stability of the sliding assembly of the left rack 1 is improved.
[0021] A plurality of round holes are formed in the upper surface of the pressing plate 2; the positions of the pressing plate 2 and the sliding plate 13 are adjusted through the round holes, so that the flexibility and adaptability of the left rack 1 during transverse movement are improved.
[0022] The right rack 9 is fixedly connected to the base 3, and one end of the fixed seat of the oil cylinder 4 is fixedly connected to the bottom of the right rack 9; when the left rack 1 is driven by the oil cylinder 4 to transversely move to the roll unloading area, the position of the right rack 9 is fixedly unchanged as a whole, the roll is separated from the left rack 1, and the roll can be disassembled and replaced.
[0023] The upper front and rear sides of the left rack 1 and the right rack 9 are respectively provided with connecting rods 10, one end of the connecting rod 10 is fixedly connected to the right rack 9, and the other end is movably inserted into the mounting block 11 of the left rack 1.
[0024] During work, the left rack 1 is pushed on the base 3 to move transversely by the oil cylinder 4 below the device, and after the left rack 1 is pushed to the roll unloading area on the base 3 (as Fig. 2As shown in the middle, the left frame 1 has been pushed to the roll unloading area by the oil cylinder), it is removed by the crane or forklift, then the roll is disassembled by the roll pulling device, after completion, the new roll spacer sleeve and new roll are installed, and the whole work flow is realized. The device drives the left frame 1 to move horizontally to the roll changing area of the mill stand 3 by the oil cylinder 4, then the roll is disassembled and replaced, and the whole roll fixing mechanism is removed, which is simple and convenient to operate, saves labor and downtime, and saves production cost. The oil cylinder 4 is driven, the oil cylinder 4 is arranged at the bottom of the device, the oil cylinder driving has strong carrying capacity and fast speed, which can quickly realize the disassembly and movement of the roll fixing mechanism, and the oil cylinder driving is stable, which can reduce the vibration and impact of the whole device, reduce the influence on the connection precision of the device, and ensure the quality of the finished steel pipe; In addition, the oil cylinder driving system has simple structure and is easy to maintain and maintain, which reduces the use and maintenance cost; the whole device has simple and compact structure, the whole device is vertically arranged, which saves the occupied space and is convenient to move, and is suitable for use in steel pipe rolling processing and manufacturing.
[0025] The utility model is not limited to the above-mentioned embodiment, on the basis of the technical scheme disclosed in the utility model, the skilled in the art can make some substitutions and deformation to some technical features according to the disclosed technical content without creative labor, and these substitutions and deformation are all within the protection scope of the utility model.
Claims
1. A convenient roll dismounting mechanism comprising a base and a roll fixing mechanism arranged above the base, characterized in that: The roller fixing mechanism comprises oppositely arranged left and right machine frames, an oil cylinder is arranged on the machine base, and a piston rod of the oil cylinder is connected with the bottom of the left machine frame.
2. A convenient roller dismounting mechanism according to claim 1, characterized in that: A base plate is arranged on the roller dismounting area of the machine base along the length direction of the machine base, notches are formed on the opposite inner sides of the base plate, a sliding plate matched with the notches is arranged on the bottom of the left machine frame, and a pressing plate is further arranged above the base plate.
3. A quick roll-off mechanism as claimed in claim 2, wherein: A plurality of round holes are arranged on the upper surface of the pressing plate.
4. The quick roll-off mechanism of claim 1, wherein: The right machine frame is fixedly connected with the machine base, and one end of the fixing seat of the oil cylinder is fixedly connected with the bottom of the right machine frame.
5. The quick roll-off mechanism of claim 1, wherein: Connecting rods are arranged on the upper front and rear sides of the left and right machine frames, one end of each connecting rod is fixedly connected with the right machine frame, and the other end of each connecting rod is movably inserted into the mounting block of the left machine frame.