A dynamic fixing device for a rolling head

Abstract

This utility model provides a dynamic fixing device for a rolling head, including a rolling sleeve. A rolling ball is mounted inside one end of the rolling sleeve via a quick-release bracket. A rod sleeve is screwed to the other end of the rolling sleeve. An amplitude transformer is rotatably mounted inside the rod sleeve. A limit mechanism is provided between the rolling sleeve and the rod sleeve. The rolling ball is easily and quickly installed using a first mounting plate and a second mounting plate, which are then fixed with bolts. The quick-release bracket is installed inside the rolling sleeve for easy and quick installation of the rolling ball, simplifying assembly and facilitating maintenance. The limit rod can be installed inside the snap-fit ​​groove under the action of a torsion spring shaft, and the rubber protrusion and groove interlock to limit the movement, improving the stability of the rod sleeve and preventing it from loosening. This facilitates subsequent workpiece processing and makes the device highly practical.

Description

Technical Field

[0001] This utility model relates to the field of rolling processing technology, specifically a dynamic fixing device for a rolling head. Background Technology

[0002] Chinese invention patent CN114769431B discloses a dynamic fixing device for an ultrasonic rolling head, comprising a rolling head, a fixing frame, rolling balls, and an amplitude transformer connected in sequence. One end of the rolling head has a countersunk hole and a rectangular groove symmetrically arranged on its surface, with a threaded positioning hole inside the countersunk hole. The other end of the rolling head has an external thread. The fixing frame has a threaded hole corresponding to the threaded positioning hole on its side near the rolling head. While the fixing frame facilitates the positioning and installation of the rolling balls by installing positioning balls, springs, and fixing screws inside, preventing the rolling balls from falling or shifting, the positioning and installation of the rolling balls is relatively complex. Furthermore, after installation, the amplitude transformer sleeve is conveniently fixed by screwing it to the rolling head. However, since both the amplitude transformer sleeve and the adjusting screw sleeve are screwed, vibrations during use can easily cause them to loosen, affecting the rolling of the crankshaft workpiece by the rolling head, resulting in low practicality.

[0003] Therefore, this utility model provides a dynamic fixing device for the rolling head. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a dynamic fixing device for the rolling head, thereby solving the problems mentioned in the background art. This invention facilitates the quick installation of the rolling balls through the first and second mounting plates, and by installing the quick-installation bracket inside the rolling sleeve, it also facilitates the quick installation of the rolling balls. The assembly is simple and convenient, and the limiting mechanism, such as the limiting rod, can improve the stability of the sleeve, facilitating subsequent processing of the crankshaft workpiece. It is highly practical.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dynamic fixing device for a rolling head, comprising a rolling sleeve, a rolling ball installed inside one end of the rolling sleeve via a quick-release frame, a rod sleeve screwed to the other end of the rolling sleeve, an amplitude transformer rotatably installed inside the rod sleeve, a limiting mechanism provided between the rolling sleeve and the rod sleeve, the quick-release frame comprising a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate respectively having a first limiting groove and a second limiting groove inside, the limiting mechanism comprising a limiting rod, and the rod sleeve having symmetrically formed snap-fit ​​grooves at both ends of its outer wall, the limiting rod being snap-fitted inside the snap-fit ​​groove.

[0006] Furthermore, the rolling ball is rotatably installed inside the first limiting groove and the second limiting groove, and the first mounting plate and the second mounting plate are provided with screw holes inside.

[0007] Furthermore, both the first mounting plate and the second mounting plate are hexagonal in shape, and bolts are screwed into the screw holes.

[0008] Furthermore, an installation hole is provided inside one end of the rolling sleeve, and one end of the rolling ball is movably installed inside the installation hole.

[0009] Furthermore, a regular hexagonal groove is provided inside one end of the rolling sleeve, and the quick-mount bracket is snapped into the inside of the regular hexagonal groove, with one end of the bolt in close contact with the inner wall of the rolling sleeve.

[0010] Furthermore, a ball groove is provided inside one end of the amplitude rod at the position corresponding to the rolling ball, and the other end of the rolling ball is movably installed inside the ball groove.

[0011] Furthermore, symmetrical mounting grooves are provided on the outer wall of the other end of the rolling sleeve, and one end of the limiting rod is movably mounted inside the mounting groove through a torsion spring shaft. The limiting rod is L-shaped.

[0012] Furthermore, a rubber protrusion is fixedly provided on the inner wall of one end of the limiting rod, and a groove is provided at one end of the rod sleeve corresponding to the position of the rubber protrusion, and the rubber protrusion is engaged inside the groove.

[0013] The beneficial effects of this utility model are as follows: The dynamic fixing device for the rolling head of this utility model facilitates the quick installation of the rolling ball through the first mounting plate and the second mounting plate, and the first mounting plate and the second mounting plate are fixed by bolts. Furthermore, by installing the quick-installation bracket inside the rolling sleeve, it is convenient to quickly install the rolling ball. The assembly is simple and maintenance is also convenient. The limiting rod can be installed inside the snap-fit ​​groove under the action of the torsion spring shaft, and the rubber protrusion and the groove are mutually snapped and limited, which can improve the stability of the rod sleeve and prevent the rod sleeve from loosening. This facilitates the subsequent processing of the crankshaft workpiece and has high practicality. Attached Figure Description

[0014] Figure 1 This is a structural diagram of a dynamic fixing device for a rolling head according to the present invention;

[0015] Figure 2 This is a front sectional view of a dynamic fixing device for a rolling head according to the present invention;

[0016] Figure 3 This is a structural diagram of a quick-assembly frame for a dynamic fixing device for a rolling head according to this utility model;

[0017] Figure 4 This is a structural diagram of the rod sleeve of a dynamic fixing device for a rolling head according to this utility model;

[0018] In the diagram: 1. Rolled sleeve; 2. Rod sleeve; 3. Lamp rod; 4. Mounting groove; 5. Limiting rod; 6. First mounting plate; 7. Second mounting plate; 8. Bolt; 9. Rolled ball; 10. Mounting hole; 11. Rubber protrusion; 12. Screw hole; 13. Second limiting groove; 14. First limiting groove; 15. Snap-fit ​​groove. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] Please see Figures 1 to 4 This utility model provides a technical solution: a dynamic fixing device for a rolling head, including a rolling sleeve 1. A rolling ball 9 is installed inside one end of the rolling sleeve 1 via a quick-release frame. A rod sleeve 2 is screwed to the other end of the rolling sleeve 1. An amplitude transformer 3 is rotatably installed inside the rod sleeve 2. A limiting mechanism is provided between the rolling sleeve 1 and the rod sleeve 2. The quick-release frame includes a first mounting plate 6 and a second mounting plate 7. The first mounting plate 6 and the second mounting plate 7 are respectively provided with a first limiting groove 14 and a second limiting groove 13. The limiting mechanism includes a limiting rod 5. The outer walls of the rod sleeve 2 are symmetrically provided with snap-fit ​​grooves 15. The limiting rod 5 is snap-fitted into the snap-fit ​​grooves 15. The first mounting plate 6 and the second mounting plate 7 facilitate quick positioning and installation of the rolling ball 9. The assembly is simple and convenient, which can improve the assembly efficiency of the rolling head and has high practicality. Furthermore, the snap-fit ​​of the limiting rod 5 and the snap-fit ​​grooves 15 facilitates the limiting of the rod sleeve 2, which can improve the stability of the rod sleeve 2.

[0021] In this embodiment, the rolling ball 9 is rotatably installed inside the first limiting groove 14 and the second limiting groove 13. The first mounting plate 6 and the second mounting plate 7 have screw holes 12 inside. Both the first mounting plate 6 and the second mounting plate 7 are hexagonal in shape. Bolts 8 are screwed into the screw holes 12. One end of the rolling sleeve 1 has a mounting hole 10 inside. One end of the rolling ball 9 is movably installed inside the mounting hole 10. One end of the rolling sleeve 1 has a hexagonal groove inside. The quick-release bracket... The bolt 8 is installed inside the regular hexagonal groove. One end of the bolt 8 is in close contact with the inner wall of the rolling sleeve 1. The rolling ball 9 is conveniently installed between the first mounting plate 6 and the second mounting plate 7 through the first limiting groove 14 and the second limiting groove 13, and the rolling ball 9 can be limited. It is convenient to position and install the rolling ball 9 by snapping it into the regular hexagonal groove through the quick-mount bracket. The operation is simple and convenient. One end of the rolling ball 9 can be installed through the mounting hole 10, which facilitates the subsequent rolling operation of the crankshaft workpiece through the rolling ball 9.

[0022] In this embodiment, a ball groove is provided inside one end of the amplitude rod 3 at the position corresponding to the rolling ball 9, and the other end of the rolling ball 9 is movably installed inside the ball groove. The ball groove facilitates the positioning of the rolling ball 9 by the amplitude rod 3 and facilitates the subsequent rolling of the crankshaft workpiece by the rolling ball 9.

[0023] In this embodiment, the outer wall of the other end of the rolling sleeve 1 is symmetrically provided with mounting grooves 4. One end of the limiting rod 5 is movably installed inside the mounting groove 4 through a torsion spring shaft. The limiting rod 5 is L-shaped. A rubber protrusion 11 is fixedly provided on the inner wall of one end of the limiting rod 5. A groove is provided at one end of the rod sleeve 2 corresponding to the position of the rubber protrusion 11. The rubber protrusion 11 is engaged inside the groove. One end of the limiting rod 5 can drive the rubber protrusion 11 to rotate and engage with the groove, which facilitates the limiting of the limiting rod 5 and the engagement of the rod sleeve 2 through the limiting rod 5. This improves the stability of the rod sleeve 2 and prevents the rod sleeve 2 from loosening, making it highly practical.

[0024] When using the dynamic fixing device for the rolling head, the rolling ball 9 is installed between the first mounting plate 6 and the second mounting plate 7 through the first limiting groove 14 and the second limiting groove 13, and the mounting bolt 8 is screwed into the screw hole 12, so that the rolling ball 9 can roll between the first mounting plate 6 and the second mounting plate 7. The quick-release brackets such as the first mounting plate 6 and the second mounting plate 7 are installed inside the regular hexagonal groove inside the rolling sleeve 1. The limiting rod 5 is rotated to both sides of the rolling sleeve 1, and the limiting rod 5 twists the torsion spring shaft. One end of the rolling ball 9 is installed... Inside the mounting hole 10, the amplitude rod 3 is installed on the rolling sleeve 1 through the rod sleeve 2. The installation of the amplitude rod 3 is achieved by the screw connection between the rolling sleeve 1 and the rod sleeve 2. The other end of the rolling ball 9 is installed inside the ball groove. When the limiting rod 5 is loosened, the limiting rod 5 is engaged inside the locking groove 15 under the action of the torsion spring shaft. The rubber protrusion 11 is squeezed and engaged inside the groove, which facilitates the limiting of the limiting rod 5, improves the stability of the rod sleeve 2, prevents the rod sleeve 2 from loosening, and facilitates subsequent processing of the crankshaft workpiece. It is highly practical.

[0025] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A dynamic fixing device of a rolling head, comprising a rolling sleeve (1), characterized in that, A rolling ball (9) is installed inside one end of the rolling sleeve (1) via a quick-release frame. A rod sleeve (2) is screwed to the other end of the rolling sleeve (1). An amplitude rod (3) is rotatably installed inside the rod sleeve (2). A limiting mechanism is provided between the rolling sleeve (1) and the rod sleeve (2). The quick-release frame includes a first mounting plate (6) and a second mounting plate (7). A first limiting groove (14) and a second limiting groove (13) are respectively opened inside the first mounting plate (6) and the second mounting plate (7). The limiting mechanism includes a limiting rod (5). Snap-fit ​​grooves (15) are symmetrically opened at both ends of the outer wall of the rod sleeve (2). The limiting rod (5) is snap-fitted inside the snap-fit ​​groove (15).

2. A dynamic fixation device for a rolling head according to claim 1, wherein: The rolling ball (9) is rotatably installed inside the first limiting groove (14) and the second limiting groove (13), and the first mounting plate (6) and the second mounting plate (7) are provided with screw holes (12).

3. A dynamic fixation device for a roller head as defined in claim 2, wherein: The first mounting plate (6) and the second mounting plate (7) are both hexagonal in shape, and bolts (8) are screwed into the screw hole (12).

4. The rolling head dynamic fixing device according to claim 3, characterized in that: The roller sleeve (1) has an installation hole (10) inside one end, and the roller ball (9) is movably installed inside the installation hole (10) at one end.

5. A dynamic fixation device for a roller head as defined in claim 4, wherein: The inner end of the rolling sleeve (1) is provided with a regular hexagonal groove, the quick-mount bracket is snapped into the inside of the regular hexagonal groove, and one end of the bolt (8) is in contact with the inner wall of the rolling sleeve (1).

6. A dynamic fixation device for a roller head as defined in claim 1, wherein: The variable amplitude rod (3) has a ball groove at one end corresponding to the position of the rolling ball (9), and the other end of the rolling ball (9) is movably installed inside the ball groove.

7. A dynamic fixation device for a roller head as defined in claim 1, wherein: The other end of the rolling sleeve (1) is symmetrically provided with mounting grooves (4), and one end of the limiting rod (5) is movably installed inside the mounting groove (4) through a torsion spring shaft. The limiting rod (5) is "L" shaped.

8. A dynamic fixation device for a roller head as defined in claim 7, wherein: A rubber protrusion (11) is fixedly provided on the inner wall of one end of the limiting rod (5), and a groove is provided at one end of the rod sleeve (2) corresponding to the position of the rubber protrusion (11), and the rubber protrusion (11) is engaged in the inside of the groove.

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