A straightening device with easy replacement of straightening rollers
By designing a straightening device combining connecting shaft, drive motor, U-shaped card block and annular limiting groove, the existing straightening machines have solved the problem of cumbersome operation when replacing steel pipes with different diameters, and achieved rapid replacement of straightening rollers and improved straightening efficiency.
Patent Information
- Application Number
- CN202420326691.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-02-22
AI Technical Summary
When replacing steel pipes with different diameters, existing straighteners need to remove screws and replace the straightening rollers. The operation is cumbersome and affects the straightening efficiency.
A straightening device for easy replacement of straightening rollers is designed. It is connected to the driving motor through the connecting shaft and the installation and fixation of the U-shaped card block and the annular limiting groove to realize the rapid installation and disassembly of the straightening rollers.
This device makes the replacement of the straightening roller more convenient, and improves the practicality and efficiency of the straightening mechanism.
Smart Images

Figure CN222695685U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a straightening mechanism, in particular to a straightening device with a straightening roller that is easy to replace, and belongs to the technical field of steel pipe straightening processing. Background Art
[0002] At present, in the field of infrastructure, steel pipes are generally used to build scaffolding. On the one hand, they support the infrastructure construction, and on the other hand, they protect the infrastructure construction through steel pipes to ensure the safety of infrastructure construction. During the infrastructure construction process, steel pipes are easily bent under pressure. In order to ensure the service life and verticality of steel pipes, steel pipes need to be straightened.
[0003] At present, straightening machines are mainly used for straightening steel pipes. During the use of the straightening machine, we found that the straightening rollers for steel pipes are fixedly installed by screws. When straightening steel pipes of different diameters is required, the screws need to be removed and different straightening rollers need to be replaced. The operation is cumbersome and affects the efficiency of steel pipe straightening. For this reason, we designed a straightening device with easy replacement of straightening rollers. Utility Model Content
[0004] The utility model aims to provide a straightening device with a straightening roller that is easy to replace, so as to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising an operating table, a plurality of assembly through grooves are equidistantly provided at the top of the operating table, a slide groove is provided on one side of the groove wall of the plurality of assembly through grooves, two fixed blocks are slidably connected to the inner wall of the slide groove, electric hydraulic cylinders are fixedly installed on both sides of the inner wall of the slide groove, the telescopic ends of the two electric hydraulic cylinders are fixedly connected to the side of the fixed block, a driving motor is fixedly installed on the bottom ends of the two fixed blocks, a through hole is provided on the top of the two fixed blocks, a connecting shaft is rotatably connected inside the through hole, the bottom end of the connecting shaft is fixedly connected to the output shaft of the driving motor, and a straightening roller is fixedly installed on the top end of the connecting shaft.
[0006] Preferably, an installation groove is provided inside the connecting shaft, U-shaped blocks are inserted and connected on both sides of the installation groove, a reset spring is fixedly installed between the two U-shaped blocks, an annular limit groove is provided inside the through hole, and the ends of the two U-shaped blocks are embedded in the annular limit groove.
[0007] Preferably, the size of the U-shaped clamping block at the end matches the inner diameter of the annular limiting groove.
[0008] Preferably, a gasket is provided at the connection between the connecting shaft and the through hole.
[0009] Preferably, support frames are fixedly installed at the four corners of the bottom end of the operating table, and a cross bar is fixedly installed between two adjacent support frames.
[0010] Preferably, an electric control box is fixedly installed on one side of the operating table, a controller is fixedly installed inside the electric control box, and the electric hydraulic cylinder and the drive motor are electrically connected to an external power supply through the controller.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model provides a straightening device with an easy-to-replace straightening roller, the straightening roller is connected to the driving motor through a connecting shaft, the connecting shaft and the fixed plate are embedded and fixed by a U-shaped clamping block and an annular limiting groove, the installation and disassembly of the straightening roller are convenient, and different types of straightening rollers can be replaced for operation, thereby improving the practicability of the straightening mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 This is a schematic diagram of the internal structure of the assembly slot of the utility model;
[0014] Figure 3 It is a schematic diagram of the connection structure of the connecting shaft and the through hole of the utility model.
[0015] In the figure: 1. operating table; 2. supporting frame; 3. assembly slot; 4. slide slot; 5. straightening roller; 6. electric control box; 7. electric hydraulic cylinder; 8. fixing block; 9. driving motor; 10. connecting shaft; 11. through hole; 12. annular limit slot; 13. mounting slot; 14. reset spring; 15. U-shaped block. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-3 The utility model provides a technical solution of a straightening device with easy replacement of straightening rollers:
[0018] according to Figure 1-3As shown, it includes an operating table 1, a plurality of assembly through grooves 3 are equidistantly provided at the top of the operating table 1, a slide groove 4 is provided on one side of the groove wall of the plurality of assembly through grooves 3, the inner wall of the slide groove 4 is slidably connected with two fixed blocks 8, electric hydraulic cylinders 7 are fixedly installed on both sides of the inner wall of the slide groove 4, the telescopic ends of the two electric hydraulic cylinders 7 are fixedly connected to the sides of the fixed blocks 8, the bottom ends of the two fixed blocks 8 are fixedly installed with drive motors 9, the top ends of the two fixed blocks 8 are provided with through holes 11, the inside of the through hole 11 is rotatably connected with a connecting shaft 10, the bottom end of the connecting shaft 10 is fixedly connected to the output shaft of the drive motor 9, and the top end of the connecting shaft 10 is fixedly installed with a straightening roller 5.
[0019] according to Figure 1 and Figure 2 As shown, a mounting groove 13 is provided inside the connecting shaft 10, and U-shaped blocks 15 are inserted and connected on both sides of the mounting groove 13, and a reset spring 14 is fixedly installed between the two U-shaped blocks 15. An annular limiting groove 12 is provided inside the through hole 11, and the ends of the two U-shaped blocks 15 are embedded and connected with the annular limiting groove 12. The U-shaped blocks 15 are embedded in the annular limiting groove 12, which facilitates the installation and disassembly of the connecting shaft 10. The size of the end of the U-shaped block 15 matches the inner diameter of the annular limiting groove 12, and a gasket is provided at the connection between the connecting shaft 10 and the through hole 11.
[0020] Support frames 2 are fixedly installed at the four corners of the bottom end of the operating table 1, and a cross bar is fixedly installed between two adjacent support frames 2 to ensure the stability of the operating table 1.
[0021] An electric control box is fixedly installed on one side of the operating table 1, and a controller is fixedly installed inside the electric control box. The electric hydraulic cylinder 7 and the drive motor 9 are electrically connected to an external power supply through the controller.
[0022] During specific use, the utility model provides a straightening device with an easily replaceable straightening roller. When using the straightening device with an easily replaceable straightening roller, firstly, the positions of the two aligned straightening rollers 5 are manually adjusted according to the size of the motor shaft, and the fixing block 8 is pushed to move by the electric hydraulic cylinder 7. The movement of the fixing block 8 drives the movement of the straightening roller 5, and the straightening roller 5 stops when it moves to the specified position. Then, the driving motor 9 is turned on, and the straightening roller 5 is driven to rotate by the driving motor 9. The two aligned straightening rollers 5 rotate in opposite directions, and the multiple straightening rollers 5 on the same side rotate in the same direction. Then, the motor shaft is placed between the two straightening rollers 5, and the motor shaft is moved for straightening through the straightening rollers 5 to complete the straightening of the motor shaft.
[0023] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0024] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A straightening device with easily replaceable straightening rollers, comprising an operating table (1), characterized in that: The top of the operating table (1) is provided with a plurality of equidistant assembly slots (3), one side of the slot wall of the plurality of assembly slots (3) is provided with a slide slot (4), the inner wall of the slide slot (4) is slidably connected to two fixed blocks (8), both sides of the inner wall of the slide slot (4) are fixedly installed with electric hydraulic cylinders (7), the telescopic ends of the two electric hydraulic cylinders (7) are fixedly connected to the side of the fixed block (8), the bottom ends of the two fixed blocks (8) are fixedly installed with a driving motor (9), the tops of the two fixed blocks (8) are provided with a through hole (11), the interior of the through hole (11) is rotatably connected with a connecting shaft (10), the bottom end of the connecting shaft (10) is fixedly connected to the output shaft of the driving motor (9), and the top end of the connecting shaft (10) is fixedly installed with a straightening roller (5).
2. A straightening device with easily replaceable straightening rollers according to claim 1, characterized in that: The connecting shaft (10) is provided with a mounting groove (13) inside, and U-shaped clamping blocks (15) are inserted and connected on both sides of the mounting groove (13), and a return spring (14) is fixedly installed between the two U-shaped clamping blocks (15). The through hole (11) is provided with an annular limiting groove (12), and the ends of the two U-shaped clamping blocks (15) are embedded and connected with the annular limiting groove (12).
3. A straightening device with easily replaceable straightening rollers according to claim 2, characterized in that: The size of the end of the U-shaped clamping block (15) matches the inner diameter of the annular limiting groove (12).
4. A straightening device with easily replaceable straightening rollers according to claim 2, characterized in that: A washer is sleeved at the connection between the connecting shaft (10) and the through hole (11).
5. A straightening device with easily replaceable straightening rollers according to claim 1, characterized in that: Support frames (2) are fixedly installed at the four corners of the bottom end of the operating table (1), and a cross bar is fixedly installed between two adjacent support frames (2).
6. A straightening device with easily replaceable straightening rollers according to claim 1, characterized in that: An electric control box is fixedly installed on one side of the operating table (1), a controller is fixedly installed inside the electric control box, and the electric hydraulic cylinder (7) and the drive motor (9) are electrically connected to an external power supply through the controller.