Sector gear spline rolling tool

Abstract

The utility model provides a sector gear spline rolling tool which comprises a tool body, a first locking screw, a second locking screw and a bent locking plate, the bent locking plate is locked on the two sides of the tool body through the second locking screw, the first locking screw on the bent locking plate abuts against the sector side face of a sector gear of a sector shaft, a tip is arranged in the tool body, and the tip is connected with the bent locking plate. The center abuts against a threaded hole in the shaft end of the fan-shaped shaft, and the left side of the tool body is locked with a machine tool. According to the sector gear spline rolling tool, workpieces can be rapidly clamped and detached, production efficiency is improved, maintenance time is shortened, operation is simple and practical, and sector and spline angles of sector gear products can be stably guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of machining, and in particular relates to a fan-shaped tooth knurling tool. Background Technology

[0002] A sector knurling fixture is a tool specifically designed for machining sector knurls on shafts or holes. This fixture is extremely useful in machining, especially in production environments requiring high precision and efficiency.

[0003] Currently, high-quality knurling tools, fixtures, drive units, and control systems are typically expensive, especially for high-precision and high-efficiency tooling. Regular maintenance and replacement of worn parts significantly increase maintenance costs. Utility Model Content

[0004] In view of this, the present invention aims to propose a fan-shaped tooth knurling fixture to solve the problem that high-quality knurling tools, fixtures, drive devices and control systems are usually expensive, especially for high-precision and high-efficiency fixtures, the regular maintenance and replacement of worn parts greatly increases maintenance costs.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] This utility model provides a fan-shaped tooth knurled key fixture, including a fixture body, a first locking screw, a second locking screw, and a bent locking plate. The second locking screw locks the bent locking plate to both sides of the fixture body. The first locking screw on the bent locking plate presses against the fan-shaped side of the fan-shaped tooth of the fan-shaped shaft. The fixture body is provided with a center, which presses against the threaded hole at the end of the fan-shaped shaft. The left side of the fixture body is locked to a machine tool.

[0007] Furthermore, the left end of the tooling body is a connecting flange structure, and each connecting flange structure is provided with four first threaded holes. Screws pass through the first threaded holes and lock with the machine tool. The cylindrical structure on the right side of the tooling body is used to place the sector shaft. The upper part of the cylindrical structure is cut with a rectangular groove, and the rectangular groove matches the size of the sector teeth of the sector shaft. The right side of the cylindrical structure is provided with a first mounting threaded hole, and a second locking screw passes through the first mounting threaded hole. A center point is provided in the middle of the cylindrical structure.

[0008] Furthermore, the upper part of the bending locking plate is bent, and two screw mounting holes are provided on it: a first screw mounting hole located on the bent part of the bending locking plate and a second screw mounting hole located on the vertical part of the bending locking plate. When the bending locking plate is installed, the bent part faces outward, and the second locking screw passes through the second screw mounting hole to lock the bending locking plate to the outside of the tooling body.

[0009] Furthermore, a first locking screw passes through the first screw mounting hole, and the first locking screw presses against the fan-shaped side of the fan-shaped shaft and fan-shaped teeth.

[0010] Furthermore, the first locking screw is made of brass.

[0011] Compared with existing technologies, the sector-shaped knurling fixture of this invention has the following advantages: The use of the center point in this invention can reduce workpiece vibration and improve machining accuracy. The workpiece is fixed in multiple directions, reducing workpiece movement and vibration. The sector-shaped knurling fixture as a whole can achieve quick clamping and disassembly of workpieces, improving production efficiency, reducing maintenance time, and is simple and practical to operate. It can stably guarantee the sector and spline angles of the sector-shaped knurling product. Attached Figure Description

[0012] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0013] In the attached diagram:

[0014] Figure 1 This is a side view of the sector-shaped tooth knurled key tooling described in an embodiment of the present invention;

[0015] Figure 2 This is a cross-sectional schematic diagram of the bending locking plate in the fan-shaped tooth knurled key tooling described in this embodiment of the utility model;

[0016] Figure 3 This is a side view of the main body of the tooling in the sector-shaped knurled key tooling according to an embodiment of the present utility model;

[0017] Figure 4 This is a schematic diagram BB in the side view of the main body of the fan-shaped tooth knurled key tooling according to an embodiment of the present invention.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Fixture body; 2. Sector-shaped shaft; 3. First locking screw; 4. Second locking screw; 5. Bending locking plate; 6. First screw mounting hole; 7. Second screw mounting hole; 8. Center. Detailed Implementation

[0020] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] See Figures 1-4 As shown, this embodiment provides a fan-shaped knurled key fixture, including a fixture body 1, a first locking screw 3, a second locking screw 4, and a bent locking plate 5. The second locking screw 4 locks the bent locking plate 5 to both sides of the fixture body 1. The first locking screw 3 on the bent locking plate 5 presses against the fan-shaped side of the fan-shaped teeth of the fan-shaped shaft 2. The fixture body 1 is provided with a center 8, which presses against the threaded hole at the shaft end of the fan-shaped shaft 2. The left side of the fixture body 1 is locked to the machine tool.

[0025] Specifically, in this embodiment, the left end of the tooling body 1 is a connecting flange structure. The connecting flange structure is provided with four first threaded holes. Screws pass through the first threaded holes and lock with the machine tool. The cylindrical structure on the right side of the tooling body 1 is used to place the sector shaft 2. The upper part of the cylindrical structure is cut with a rectangular groove. The size of the rectangular groove matches the sector teeth of the sector shaft 2. The right side of the cylindrical structure is provided with a first mounting threaded hole. A second locking screw 4 passes through the first mounting threaded hole. A center point 8 is provided in the middle of the cylindrical structure.

[0026] Specifically, in this embodiment, the upper part of the bending locking plate 5 is bent, and two screw mounting holes are provided on it: a first screw mounting hole 6 located on the bent part of the bending locking plate 5 and a second screw mounting hole 7 located on the vertical part of the bending locking plate 5. When the bending locking plate 5 is installed, the bent part faces outward, and the second locking screw 4 passes through the second screw mounting hole 7 to lock the bending locking plate 5 to the outside of the tooling body 1.

[0027] Specifically, in this embodiment, the first screw 3 passes through the first screw mounting hole 6, and the first screw 3 presses against the fan-shaped side of the fan-shaped teeth of the fan-shaped shaft 2.

[0028] Specifically, in this embodiment, the first locking screw 3 is made of brass.

[0029] The fixture body is positioned by the center on the left side and the machine tool center, and clamped by screws on both sides. One screw is secured with a nut, keeping its position fixed, while the other screw can be freely rotated for product disassembly and fixation. The screws are made of brass to prevent damage to the tooth surface. The use of the center reduces workpiece vibration and improves machining accuracy. The workpiece is fixed in multiple directions, reducing workpiece movement and vibration. The entire fan-shaped knurled fixture allows for quick clamping and disassembly of workpieces, improving production efficiency, reducing maintenance time, and is simple and practical to operate. It can stably guarantee the angle of the fan-shaped tooth sector and spline on the product.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fan-shaped tooth knurling tool, characterized by, The utility model relates to a fan-shaped shaft locking tool, which comprises a tool body (1), a first locking screw (3), a second locking screw (4) and a bent locking plate (5), the second locking screw (4) is used for locking the bent locking plate (5) on both sides of the tool body (1), the first locking screw (3) is used for tightly pressing the fan-shaped side of the fan-shaped tooth of the fan-shaped shaft (2) on the bent locking plate (5), a center (8) is arranged in the tool body (1), the center (8) is used for tightly pressing the threaded hole of the shaft end of the fan-shaped shaft (2), and the left side of the tool body (1) is locked with a machine tool.

2. The fan and key roller tool of claim 1, wherein, The left end of the tool body (1) is a connecting flange structure, four first threaded holes are arranged on the connecting flange structure , a screw is passed through the first threaded hole to lock the machine tool, the right side of the tool body (1) is a cylindrical structure for placing a fan-shaped shaft (2), a rectangular groove is cut on the upper part of the cylindrical structure, the size of the rectangular groove is matched with the fan-shaped tooth of the fan-shaped shaft (2), a first mounting threaded hole is arranged on the right side of the cylindrical structure , a second locking screw (4) is passed through the first mounting threaded hole, a center pin (8) is arranged in the middle of the cylindrical structure.

3. The fan and key roller tool of claim 1, wherein, The upper part of the bent locking plate (5) is bent, two screw mounting holes are arranged on the bent locking plate (5), the first screw mounting hole (6) is arranged on the bent part of the bent locking plate (5), the second screw mounting hole (7) is arranged on the vertical part of the bent locking plate (5), the bent part of the bent locking plate (5) is outward during installation, and the second locking screw (4) is used for locking the bent locking plate (5) on the outer side of the tool body (1) by penetrating through the second screw mounting hole (7).

4. The fan and key roller tool of claim 3, wherein, The first locking screw (3) penetrates through the first screw mounting hole (6), and the first locking screw (3) is used for tightly pressing the fan-shaped side of the fan-shaped tooth of the fan-shaped shaft (2).

5. The fan and key roller tool of claim 4, wherein, The first locking screw (3) is made of brass.

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