Plane vibration resistant machining tool
Through the design of anti-plane vibration turning tooling, the problem of inconsistent clamping datums in the processing of wet clutch housings was solved, high-precision positioning and clamping were achieved, and the consistency and accuracy of processing quality were improved.
Patent Information
- Application Number
- CN202422944413.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the prior art, when processing the wet clutch housing, there are problems such as the clamping datum not being consistent with the drawing and insufficient repeat positioning accuracy, which leads to large jitter on the processed end face and high defect rate.
The anti-plane vibration turning tooling is adopted. Through the combined design of fixed plate, transmission plate, spring plate and center, high-precision positioning and clamping of the workpiece is achieved, ensuring that the clamping reference during the processing is consistent with the design drawing, reducing tool vibration and optimizing the processing end face runout.
It improves processing accuracy, reduces tool vibration, optimizes processing end face runout, and improves product quality consistency and processing quality.
Smart Images
Figure CN223476976U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of clutch processing technology, and in particular to a machining tooling for anti-plane vibration machining. Background Technology
[0002] The wet clutch is a crucial component of an automotive powertrain system, responsible for disconnecting and connecting power between the engine and transmission. The housing is a vital part of the wet clutch that transmits power. Therefore, the machining precision of the housing directly affects the performance and lifespan of the wet clutch.
[0003] In the existing technology, the machining of the shell mainly uses a three-jaw chuck for positioning and clamping. Due to the characteristics of the three-jaw chuck, the clamping datum of the shell is prone to not matching the drawing, the repeatability of positioning is insufficient, and the tool is prone to vibration, resulting in large runout of the machined end face and a high defect rate. Utility Model Content
[0004] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a planar vibration-resistant machining tooling that can achieve high-precision positioning of the shell and improve the vibration resistance of the product during machining.
[0005] According to an embodiment of the present invention, an anti-plane vibration machining fixture includes a fixed plate connected to a CNC lathe; a transmission plate fixedly mounted on the fixed plate, with several external teeth matching the internal teeth of the workpiece on its periphery; a spring plate movably mounted on the transmission plate, capable of moving along the axial direction of the fixed plate, and used to support the workpiece; and a center mounted on the fixed plate, forming a limiting groove with the fixed plate, used to limit the position of the workpiece; the fixed plate, transmission plate, spring plate, and center are coaxially arranged, and the workpiece passes sequentially through the spring plate, transmission plate, and fixed plate along the axis of the fixed plate and extends into the limiting groove.
[0006] The anti-plane vibration machining fixture according to the embodiment of this utility model has at least the following beneficial effects: The fixed plate is mounted on a CNC lathe. The workpiece passes sequentially through the spring plate, transmission plate, and fixed plate along the axis of the fixed plate and extends into the limiting groove, with its opening facing the CNC lathe and fitted onto the transmission plate. The internal teeth of the workpiece are engaged with the external teeth of the transmission plate. When the CNC lathe is started to drive the workpiece towards the fixed plate, the workpiece pushes the spring plate towards the fixed plate until the end of the workpiece is located in the limiting groove and abuts against the center. Thus, by employing accurate clamping and positioning, the machining accuracy of the workpiece is significantly improved, ensuring that the clamping datum during machining is consistent with the design drawings, reducing vibration and optimizing the runout of the machining end face, thereby contributing to product quality consistency and improving machining quality.
[0007] According to some embodiments of the present invention, a top plate is also included, with the top protruding through the fixed plate. The top plate is disposed on the fixed plate at one end opposite to the transmission plate, and the top plate is used to fix the top on the fixed plate.
[0008] According to some embodiments of the present invention, an elastic element is provided between the spring plate and the transmission plate, and the spring plate is movably inserted into the transmission plate through the elastic element.
[0009] According to some embodiments of the present invention, it also includes several limiting components, which are all connected to the spring plate and the transmission plate. The limiting components are used to limit the movement direction of the spring plate.
[0010] According to some embodiments of the present invention, the limiting component includes a limiting post and a limiting hole, the limiting post and the limiting hole correspond to each other, and one of the spring plate and the transmission plate is provided with a limiting post, while the other is provided with a limiting hole.
[0011] According to some embodiments of this utility model, the limiting component and the elastic element are spaced apart.
[0012] According to some embodiments of the present invention, an annular boss is coaxially provided on the fixing plate. The annular boss is located at one end of the fixing plate near the transmission plate. The transmission plate is sleeved on the annular boss, and the top of the transmission plate and the inner wall of the annular boss form a limiting groove.
[0013] According to some embodiments of the present invention, a guide portion is provided on the tip, which is located at the end of the tip near the spring plate. The cross-sectional area of the guide portion gradually decreases along the direction near the spring plate. The guide portion is used to guide the workpiece to cooperate with the tip.
[0014] According to some embodiments of the present invention, the spring plate includes a first plate and a second plate. The first plate is coaxially arranged with the fixed plate and extends along the axial direction of the fixed plate. The second plate is located at the end of the first plate near the fixed plate and at the end of the first plate near the transmission plate. The second plate is perpendicular to the first plate.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0017] Figure 1 This is a schematic diagram of the anti-plane vibration machining fixture and workpiece according to an embodiment of the present invention;
[0018] Figure 2 for Figure 1 Schematic diagram of the machining fixture for medium-intensity planar vibration reduction;
[0019] Figure 3 for Figure 2 The diagram of the explosion;
[0020] Figure 4 for Figure 1 A cross-sectional schematic diagram.
[0021] Figure label:
[0022] Fixed plate 100, boss 110, limiting groove 111;
[0023] Transmission plate 200, external gear 210;
[0024] Spring plate 300, elastic element 310, limiting assembly 320, limiting post 321, limiting hole 322, first plate 323, second plate 324;
[0025] Top 400, top pressure plate 410, guide part 420, main body 430, blocking part 440;
[0026] Workpiece 10, internal teeth 11, disc body 12, column body 13. Detailed Implementation
[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.
[0029] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. Any mention of "first" or "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features or the order of the indicated technical features.
[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0031] refer to Figures 1 to 4 This invention describes a planar vibration-resistant machining fixture according to an embodiment of the present invention.
[0032] like Figures 1 to 4 As shown, the anti-plane vibration machining fixture includes a fixed plate 100, which is connected to a CNC lathe; a transmission plate 200, which is fixed on the fixed plate 100, and the periphery of the transmission plate 200 is provided with a number of external teeth 210 that match the internal teeth 11 of the workpiece 10; a spring plate 300, which is movably disposed on the transmission plate 200 and can move along the axial direction of the fixed plate 100, and is used to support the workpiece 10; a center 400, which is disposed on the fixed plate 100, and the center 400 and the fixed plate 100 enclose a limiting groove 111, which is used to limit the position of the workpiece 10; the fixed plate 100, the transmission plate 200, the spring plate 300 and the center 400 are coaxially arranged, and the workpiece 10 passes through the spring plate 300, the transmission plate 200 and the fixed plate 100 in sequence along the axis of the fixed plate 100 and extends into the limiting groove 111.
[0033] like Figure 1 and Figure 2 As shown, the spring plate 300, transmission plate 200, fixed plate 100 and tip 400 are arranged coaxially from top to bottom. The transmission plate 200 is fixed to the upper end of the fixed plate 100. The spring plate 300 is movably arranged on the transmission plate 200 and can move in the vertical direction. The tip 400 is arranged on the fixed plate 100 and forms a limiting groove 111 corresponding to the end of the workpiece 10 with the fixed plate 100. The fixed plate 100 is mounted on a CNC lathe. The workpiece 10 is passed sequentially along the axis of the fixed plate 100 through the spring plate 300, the transmission plate 200, and the fixed plate 100, extending into the limiting groove 111. Its opening faces the CNC lathe and is fitted onto the transmission plate 200. The internal teeth 11 of the workpiece 10 are engaged with the external teeth 210 of the transmission plate 200. When the CNC lathe is started to drive the workpiece 10 to move closer to the fixed plate 100, the workpiece 10 pushes the spring plate 300 to move closer to the fixed plate 100 until the end of the workpiece 10 is located in the limiting groove 111 and abuts against the center 400. Thus, by using accurate clamping and positioning, the machining accuracy of the workpiece 10 is significantly improved, ensuring that the clamping datum during the machining process is consistent with the design drawings, reducing tool vibration and optimizing the runout of the machining end face, thereby contributing to the consistency of product quality and improving machining quality.
[0034] It should be noted that workpiece 10 is the housing in a wet clutch, which consists of two parts: a disc and a pillar. Figure 1 and Figure 4 As shown, the disc is arranged with an annular stepped opening facing downwards. The inner wall of the disc is uniformly provided with internal teeth 11 along the circumferential direction. The column is coaxially inserted on the disc. When the workpiece 10 is sleeved on the transmission plate 200, the disc rests on the spring plate 300 and corresponds to and fits the spring plate 300. When the CNC lathe drives the workpiece 10 to move closer to the fixed plate 100, the disc abuts against the spring plate 300 and pushes the spring plate 300 to move closer to the fixed plate 100. The column extends into the limiting groove 111 until its end abuts against the top point 400.
[0035] In this specific embodiment, the inner wall of the workpiece 10 is uniformly provided with built-in teeth along the circumferential direction. The transmission plate 200 has five external teeth 210, which are arranged along the outer edge of the transmission plate 200. All five external teeth 210 can engage with the workpiece 10 in any direction.
[0036] In some specific embodiments of this utility model, a top plate 410 is also included. The top 400 passes through the fixed plate 100. The top plate 410 is disposed on the fixed plate 100 at one end opposite to the transmission plate 200. The top plate 410 is used to fix the top 400 on the fixed plate 100.
[0037] like Figure 3 and Figure 4 As shown, the tip 400 passes through the fixed plate 100. Specifically, the tip 400 includes a body and a blocking part 440. The body passes through the fixed plate 100, and the blocking part 440 is located at the lower end of the body. The outer diameter of the blocking part 440 is larger than the outer diameter of the body. When the body passes through the fixed plate 100, the blocking part 440 abuts against the fixed plate 100, thereby preventing the tip 400 from coming out of the other end of the fixed plate 100. The tip pressure plate 410 covers the lower end of the blocking part 440 and is fixedly connected to the fixed plate 100 by bolts, so that the blocking part 440 is clamped between the fixed plate 100 and the tip pressure plate 410, thereby preventing the tip 400 from detaching from the lower end of the fixed plate 100.
[0038] In some specific embodiments of this utility model, an elastic element 310 is provided between the spring plate 300 and the transmission plate 200, and the spring plate 300 is movably inserted into the transmission plate 200 through the elastic element 310.
[0039] like Figure 3 and Figure 4As shown, an elastic element 310 is provided between the spring plate 300 and the transmission plate 200. Specifically, the elastic element 310 is a compression spring arranged along the axial direction of the fixed plate 100. One end of the compression spring is connected to the spring plate 300, and the other end is connected to the transmission plate 200. The spring plate 300 is movably connected to the transmission plate 200 through the compression spring. Thus, the workpiece 10 is sleeved on the transmission plate 200 with its opening facing the CNC lathe, and the internal teeth 11 of the workpiece 10 are engaged with the external teeth 210 of the transmission plate 200. When the CNC lathe drives the workpiece 10 to move towards the fixed plate 100, the workpiece 10 pushes the spring plate 300 to compress the compression spring. Under the action of the internal and external teeth 210 and the compression spring, the workpiece 10 is clamped and stably fixed on the fixed plate 100, thereby achieving high-precision positioning of the workpiece 10.
[0040] In some specific embodiments of this utility model, a plurality of limiting components 320 are also included. The plurality of limiting components 320 are all connected to the spring plate 300 and the plurality of limiting components 320 are all connected to the transmission plate 200. The limiting components 320 are used to limit the moving direction of the spring plate 300.
[0041] In some specific embodiments of this utility model, the limiting component 320 includes a limiting post 321 and a limiting hole 322. The limiting post 321 corresponds to the limiting hole 322. The spring plate 300 and the transmission plate 200 are provided with a limiting post 321 on one and a limiting hole 322 on the other.
[0042] like Figures 2 to 4 As shown, the lower end of the spring plate 300 is provided with a plurality of limiting holes 322 in a circumferential direction. Correspondingly, the upper part of the transmission plate 200 is provided with a plurality of limiting posts 321 in a circumferential direction. The limiting posts 321 extend upward and pass through the corresponding limiting holes 322. When the CNC lathe drives the workpiece 10 to move toward the fixed plate 100, it can move stably in the direction defined by the limiting component 320, thereby making the clamping of the workpiece 10 more precise.
[0043] In some specific embodiments of this utility model, the limiting component 320 and the elastic element 310 are arranged at intervals.
[0044] In some specific embodiments of this utility model, an annular boss 110 is coaxially provided on the fixing plate 100. The annular boss 110 is located at one end of the fixing plate 100 near the transmission plate 200, and the tip 400 and the inner wall of the annular boss 110 form a limiting groove 111. Figure 3As shown, an annular boss 110 is coaxially provided on the upper end of the fixed plate 100. The outer diameter of the annular boss 110 corresponds to the inner diameter of the transmission plate 200. The transmission plate 200 is sleeved on the annular boss 110. The inner wall of the annular boss 110 and the tip 400 passing through the fixed plate 100 form a limiting groove 111. The shape of the limiting groove 111 matches the end of the workpiece 10, i.e. the end of the column. Thus, when the column passes through the spring plate 300 and the transmission plate 200 and enters the limiting groove 111, it can cooperate with the limiting groove 111 to further achieve the purpose of precise positioning.
[0045] In some specific embodiments of this utility model, a guide portion 420 is provided on the tip 400. The guide portion 420 is located at the end of the tip 400 near the spring plate 300. The cross-sectional area of the guide portion 420 gradually decreases along the direction near the spring plate 300. The guide portion 420 is used to guide the workpiece 10 to cooperate with the tip 400. Figure 4 As shown, the guide part 420 is located at the upper end of the tip 400. The guide part 420 is in the shape of a frustum. Since the end part of the column is hollow, when the column moves downward, it can be fitted onto the tip 400 under the guidance of the guide part 420 to complete the limiting of the end of the column.
[0046] In some specific embodiments of this utility model, the spring plate 300 includes a first plate 323 and a second plate 324. The first plate 323 is coaxially arranged with the fixed plate 100 and extends along the axial direction of the fixed plate 100. The second plate 324 is located at one end of the first plate 323 near the fixed plate 100. The second plate 324 is located at one end of the first plate 323 near the transmission plate 200. The second plate 324 is perpendicular to the first plate 323.
[0047] like Figure 3 and Figure 4 As shown, the first plate 323 is a cylindrical structure extending in the vertical direction, and the second plate 324 is an annular structure located at the lower outer edge of the first plate 323. That is, the second plate 324 is located between the first plate 323 and the transmission plate 200. When relative movement occurs between the spring plate 300 and the transmission plate 200, the second plate 324 contacts the inner wall of the transmission plate 200, thereby reducing the direct contact between the transmission plate 200 and the spring plate 300, reducing friction, reducing energy loss, improving transmission efficiency, preventing unnecessary friction and wear between the two, and extending the service life of the transmission system.
[0048] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A tooling for anti-plane vibration machining, characterized in that, include: A fixing plate (100) is connected to a CNC lathe; A transmission plate (200) is fixed on the fixed plate (100), and the periphery of the transmission plate (200) is provided with a plurality of external teeth (210) that match the internal teeth (11) of the workpiece (10). A spring plate (300) is movably disposed on the transmission plate (200). The spring plate (300) is axially movable along the fixed plate (100). The spring plate (300) is used to support the workpiece (10). A tip (400) is provided on the fixing plate (100). The tip (400) and the fixing plate (100) surround each other to form a limiting groove (111). The limiting groove (111) is used to limit the position of the workpiece (10). The fixed plate (100), the transmission plate (200), the spring plate (300) and the center (400) are coaxially arranged. The workpiece (10) passes through the spring plate (300), the transmission plate (200) and the fixed plate (100) in sequence along the axis of the fixed plate (100) and extends into the limiting groove (111).
2. The anti-plane vibration machining fixture according to claim 1, characterized in that, It also includes a top plate (410), the top (400) is inserted through the fixed plate (100), the top plate (410) is disposed on the fixed plate (100) at one end opposite to the transmission plate (200), and the top plate (410) is used to fix the top (400) on the fixed plate (100).
3. The anti-plane vibration machining fixture according to claim 1, characterized in that, An elastic element (310) is provided between the spring plate (300) and the transmission plate (200), and the spring plate (300) is movably inserted into the transmission plate (200) through the elastic element (310).
4. The anti-plane vibration machining fixture according to claim 3, characterized in that, It also includes several limiting components (320), each of which is connected to the spring plate (300) and the transmission plate (200). The limiting components (320) are used to limit the moving direction of the spring plate (300).
5. The anti-plane vibration machining fixture according to claim 4, characterized in that, The limiting component (320) includes a limiting post (321) and a limiting hole (322). The limiting post (321) corresponds to the limiting hole (322). The spring plate (300) and the transmission plate (200) are provided with the limiting post (321) on one side and the limiting hole (322) on the other side.
6. The anti-plane vibration machining fixture according to claim 4, characterized in that, The limiting component (320) and the elastic element (310) are spaced apart.
7. The anti-plane vibration machining fixture according to claim 1, characterized in that, An annular boss (110) is coaxially provided on the fixing plate (100). The annular boss (110) is located at one end of the fixing plate (100) near the transmission plate (200). The transmission plate (200) is sleeved on the annular boss (110). The tip (400) and the inner wall of the annular boss (110) enclose each other to form the limiting groove (111).
8. The anti-plane vibration machining fixture according to claim 1, characterized in that, A guide portion (420) is provided on the tip (400). The guide portion (420) is located at one end of the tip (400) near the spring plate (300). The cross-sectional area of the guide portion (420) gradually decreases along the direction near the spring plate (300). The guide portion (420) is used to guide the workpiece (10) to cooperate with the tip (400).
9. The anti-plane vibration machining fixture according to claim 1, characterized in that, The spring plate (300) includes a first plate (323) and a second plate (324). The first plate (323) is coaxially arranged with the fixed plate (100) and extends along the axial direction of the fixed plate (100). The second plate (324) is located at one end of the first plate (323) near the fixed plate (100). The second plate (324) is located at one end of the first plate (323) near the transmission plate (200). The second plate (324) is perpendicular to the first plate (323).