Tooth tip and spoke correcting device for precise thin-wall gear

Abstract

The utility model relates to a tooth top and spoke correcting device for a precise thin-wall gear, the gear is provided with a plurality of tooth tops and a plurality of spokes which are distributed at intervals around the direction of the center line of the gear, and the correcting device comprises a base; a center positioning member; a tooth tip positioning member; a spoke positioning part; and machining the component. On one hand, the center of the gear, the corresponding spokes and the corresponding tooth tips are positioned, the spokes are machined through the machining component based on the tooth tips forming the zero point, deviation between the spokes and the corresponding tooth tips in the direction is effectively reduced, and the yield of products is improved; the structure is simple, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the precise machining technical field, concretely relates to a tooth tip and spoke correction device for precision thin -walled gear. BACKGROUND

[0002] In the machining process of the precision thin -walled gear, it is usually according to the process flow to successively process multiple tooth tips in the form of annular interval distribution on the edge of blank, process multiple spokes in the interval distribution around the center line of blank in the middle of blank, and the corresponding gear product can be obtained.

[0003] However, since the process has precision requirements on the direction of the closest spoke and tooth tip on the gear, when the existing machining process is used to machine the gear in the actual production process, the direction of the tooth tip and spoke is randomly machined, the deviation probability between the center line of the corresponding tooth tip and the center line of the spoke is relatively high, leading to that the product cannot meet the precision requirements, and the yield of the product is low. SUMMARY

[0004] The utility model wants to solve the technical problem to overcome the insufficient of prior art and provide a new tooth tip and spoke correction device for precision thin -walled gear.

[0005] To solve the above technical problem, the utility model adopts the following technical scheme:

[0006] A tooth tip and spoke correction device for precision thin -walled gear, the gear has multiple tooth tips and multiple spokes in the interval distribution around the center line direction of itself, and the correction device comprises:

[0007] A base is formed with a reference surface, and the gear is placed on the reference surface from one side surface;

[0008] A center positioning component is arranged on the reference surface and is used to position the center of the gear;

[0009] A tooth tip positioning component is arranged on the reference surface and is formed with a meshing part matched with a single tooth tip;

[0010] A spoke positioning component is arranged on the reference surface and is located between the center positioning component and the tooth tip positioning component, and the spoke positioning component is formed with a positioning channel of a single spoke, wherein when any spoke passes through the positioning channel, the corresponding tooth tip is synchronized with the meshing part and constitutes a zero point;

[0011] A machining component is used to sequentially process and drive each spoke center line to coincide with the center line of the corresponding tooth tip based on the zero point.

[0012] According to one specific implementation and preferred aspect of the utility model, when the gear is placed on the reference surface and is centrally positioned, the spoke with the smallest central angle on the gear and the tooth tip respectively pass through the positioning channel and are arranged in meshing with the meshing part.

[0013] Preferably, the central positioning component comprises a central module inserted and matched with the middle part of the gear, and connecting pieces for fixedly connecting the central module with the base, wherein the connecting pieces are multiple and are distributed in parallel and at intervals along the radial direction of the gear.

[0014] Further, a central hole is formed on the base, and the central positioning component further comprises a central shaft inserted in the central hole, and the central module is sleeved on the central shaft. Here, the central module is facilitated to be quickly installed and positioned.

[0015] Preferably, the tooth tip positioning component comprises a positioning column extending along the radial direction of the gear, and an adjusting piece for driving the positioning column to adjust towards the direction of approaching or moving away from the tooth tip, wherein one end of the positioning column forms the meshing part.

[0016] Specifically, a embedding groove is formed on the base, and the tooth tip positioning component further comprises an inlay block inserted and matched with the embedding groove, wherein a guide channel extending along the radial direction of the gear is formed on the inlay block, the positioning column is inserted in the guide channel and is adjusted along the guide channel towards the direction of approaching or moving away from the tooth tip. Here, the adjustment of the positioning column through the guide channel is guided, the positioning column is accurately adjusted, meanwhile, the positioning column is tightly meshed with the tooth tip, deformation or position deviation in the correction process is avoided, and the correction accuracy is improved.

[0017] Preferably, the spoke positioning component is detachably connected on the base. Here, the processing and correction of the spoke located in the positioning channel are facilitated.

[0018] Preferably, the base is further provided with embedding grooves distributed in parallel and at intervals along the corresponding spoke width direction, and the spoke positioning component comprises a U-shaped embedding module, wherein two ends of the U-shaped embedding module are correspondingly inserted into two embedding grooves, and a positioning channel is formed between the inner wall of the U-shaped embedding module and the reference surface. Here, the dismounting operation is simple and convenient.

[0019] Preferably, the base is further provided with a pressing block for pressing the gear on the reference surface.

[0020] Specifically, the pressing block is pressed on the edge of the gear, and the pressing block is multiple and is distributed in annular intervals around the center line of the gear. Here, the gear is ensured to be stable in processing, and position deviation is avoided.

[0021] Thanks to the implementation of the above technical scheme, the utility model has the following advantages compared with the prior art:

[0022] When a gear is processed by using an existing processing process, the directions of the tooth tips and the spokes are randomly processed, and the probability of deviation between the center lines of the corresponding tooth tips and the center lines of the spokes is relatively high, which leads to that the product cannot meet the precision requirement and the yield of the product is low; and the structure of the tooth tip and spoke correction device for the precision thin-walled gear is overall designed, the deficiencies and defects of the prior art are ingeniously solved, after the correction device is adopted, firstly, the gear is placed on the reference surface of the base in a fit manner, and the center of the gear is positioned by the center positioning component; then the gear is adjusted so that any spoke passes through the positioning channel, and the corresponding tooth tip is engaged with the meshing part formed by the tooth tip positioning component at the same time, so as to realize the positioning of the spoke and the tooth tip, wherein the tooth tip engaged with the meshing part is taken as zero point; finally, under the conditions of the positioning of the gear center, the positioning of the spoke and the positioning of the tooth tip, the machining component sequentially processes each spoke based on the zero point and drives the center line of each spoke to coincide with the center line of the corresponding tooth tip, and the correction of the corresponding spoke and tooth tip is completed. Therefore, compared with the prior art, on the one hand, the gear center, the corresponding spoke and the tooth tip are positioned, each spoke is processed by the machining component based on the tooth tip constituting the zero point, the deviation of each spoke in the direction of the corresponding tooth tip is effectively reduced, and the yield of the product is improved; on the other hand, the structure is simple and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a top view schematic view of the correction device of the utility model;

[0024] Figure 2 It is a front view schematic view of the correction device of the utility model;

[0025] Figure 3 It is a top view schematic view of the base; Figure 1

[0026] It is a front view schematic view of the base; Figure 4 Figure 1 It is a partial structure enlarged schematic view;

[0027] Figure 5 Figure 1 It is a left view enlarged schematic view of the U-shaped plug-in module;

[0028] Figure 6 It is a top view schematic view of the base; Figure 1

[0029] Wherein: 1, base; 10, pressing block; m, reference surface; k0, center hole; c0, embedding groove; c1, plug-in groove;

[0030] 2, center positioning component; 20, center module; 21, connecting piece; 22, center shaft;

[0031] ​​​3, tooth tip positioning component; 30, positioning column; b, meshing part; 31, adjusting piece; 32, insert block; 320, guide channel;

[0032] 4, spoke positioning component; 40, U-shaped plug-in module; t, positioning channel;

[0033] C, gear; C1, tooth tip; C2, spoke. DETAILED DESCRIPTION

[0034] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a large number of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, therefore the present application is not limited to the specific embodiments disclosed below.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0037] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In this application, unless otherwise expressly specified and limited, "above" or "below" a second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" of a second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" a second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly on the other element or there may be an intermediate element present. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element present. The terms "vertical," "horizontal," "above," "below," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible embodiments.

[0039] like Figures 1 to 6 As shown, the tooth tip and spoke correction device for precision thin-walled gears involved in this embodiment includes a base 1, a center positioning component 2, a tooth tip positioning component 3, and a spoke positioning component 4; the precision thin-walled gear C in this embodiment has multiple tooth tips C1 and multiple spokes C2 spaced apart around its own center line.

[0040] Specifically, the base 1 is set horizontally, and the top surface of the base 1 forms a reference surface m, and the gear C is placed on the reference surface m from one side.

[0041] For ease of implementation, the base 1 is also provided with an L-shaped pressure block 10 for pressing the gear C onto the reference surface m. The pressure block 10 is pressed against the edge of the gear C and fixed to the base 1 by bolts. There are multiple pressure blocks 10, which are distributed in a ring at intervals around the center line of the gear C. This ensures that the gear remains stable during processing and avoids positional displacement.

[0042] In this example, the center positioning component 2 is set on the reference plane m and is used to position the center of the gear C.

[0043] In some specific embodiments, the center positioning component 2 includes a center module 20 that is inserted into the middle of the gear C, and a connector 21 for fixing the center module 20 to the base 1, wherein there are multiple connectors 21 and they are arranged side by side at intervals along the radial direction of the gear C.

[0044] Furthermore, a central hole k0 is formed on the base 1, and the central positioning component 2 also includes a central shaft 22 inserted into the central hole k0, with the central module 20 sleeved on the central shaft 22. This facilitates the quick installation and positioning of the central module.

[0045] In this example, the tooth tip positioning component 3 is arranged on the reference surface m and outside the gear C, wherein the tooth tip positioning component 3 is formed with the meshing part b matching the single tooth tip C1.

[0046] In some embodiments, the tooth tip positioning component 3 includes the positioning column 30 extending radially along the gear C, and the adjusting part 31 for driving the positioning column 30 to adjust towards the tooth tip C1 or away from the tooth tip C1, wherein one end of the positioning column 30 is formed with the meshing part b; the adjusting part 31 is a dividing pin or other adjusting part.

[0047] Specifically, the base 1 is formed with the embedding groove c0, and the tooth tip positioning component 3 further includes the inlay 32 inserted into the embedding groove c0, wherein the inlay 32 is formed with the guide channel 320 extending radially along the gear C, and the positioning column 30 is inserted into the guide channel 320 and adjusted along the guide channel 320 towards the tooth tip C1 or away from the tooth tip C1. Here, the adjustment of the positioning column by the guide channel forms a guide, ensuring accurate adjustment of the positioning column, and at the same time, ensuring that the positioning column is closely meshed with the tooth tip, avoiding deformation or position deviation during correction processing, and improving correction accuracy.

[0048] In this example, the spoke positioning component 4 is arranged on the reference surface m and between the center positioning component 2 and the tooth tip positioning component 3, and the spoke positioning component 4 is formed with the positioning channel t of a single spoke, wherein when any spoke C2 passes through the positioning channel t, the corresponding tooth tip C1 is synchronously meshed with the meshing part b and forms a zero point.

[0049] In order to further facilitate implementation, when the gear C is placed on the reference surface m and centered, the spoke C2 with the smallest central angle on the gear C and the tooth tip C1 pass through the positioning channel t and the meshing part b, respectively. Here, the spoke and the tooth tip with the smallest central angle are positioned and used as the machining reference of each spoke, which can effectively reduce the workload while achieving correction.

[0050] In some embodiments, the spoke positioning component 4 is detachably connected to the base 1.

[0051] At the same time, the base 1 is further formed with the insertion groove c1 distributed in parallel and at intervals along the width direction of the corresponding spoke C2, and the spoke positioning component 4 includes the U-shaped insertion module 40, wherein the two ends of the U-shaped insertion module 40 are inserted into the two insertion grooves c1, and the inner wall of the U-shaped insertion module 40 and the reference surface form the positioning channel t. Here, the disassembly and assembly operation is simple and convenient.

[0052] In addition, the machining component is used for sequentially machining and driving the center line of each spoke C2 to coincide with the center line of the corresponding tooth tip C1 based on the zero point.

[0053] In summary, after the correction device is adopted, firstly, the gear is placed on the reference surface of the base, and the center of the gear is positioned by the center positioning component; then the gear is adjusted so that any spoke passes through the positioning channel, and the corresponding tooth tip is engaged with the meshing part formed by the tooth tip positioning component at the same time, so as to realize the positioning of the spoke and the tooth tip, wherein the tooth tip engaged with the meshing part is taken as the zero point; finally, under the condition of the center positioning of the gear, the positioning of the spoke and the positioning of the tooth tip, the machining component sequentially machines each spoke based on the zero point and drives the center line of each spoke to coincide with the center line of the corresponding tooth tip, so as to complete the correction of the corresponding spoke and tooth tip. Therefore, compared with the prior art, on the one hand, the center of the gear, the corresponding spoke and the tooth tip are positioned, each spoke is machined by the machining component based on the tooth tip constituting the zero point, the deviation of each spoke and the corresponding tooth tip in the direction is effectively reduced, and the yield of the product is improved; on the other hand, the structure is simple, and the operation is convenient; thirdly, the spoke and the tooth tip with the smallest center angle are positioned and taken as the machining reference of each spoke, so that the workload is effectively reduced while the correction is realized; fourthly, the positioning column is adjusted to form a guide through the guide channel, so that the positioning column is accurately adjusted, and at the same time, the positioning column is tightly engaged with the tooth tip, so that the deformation or the deviation of the position in the correction machining is avoided, and the correction accuracy is improved.

[0054] The above has described the utility model in detail, the purpose is to let the person who is familiar with this field technology can understand the content of the utility model and implement, and cannot limit the protection scope of the utility model with this, all equivalent changes or modifications according to the spirit of the utility model should be covered in the protection scope of the utility model.

Claims

1. A device for correcting the tip and web of a precision thin-walled gear having a plurality of tips and a plurality of webs spaced apart in the direction of the center line of the gear, characterized by, The correction device comprises: a base formed with a reference surface, the gear being placed on the reference surface from one side; a center positioning component arranged on the reference surface and used for positioning the center of the gear; a tooth tip positioning component arranged on the reference surface and formed with a meshing part matched with a single tooth tip; a spoke positioning component arranged on the reference surface between the center positioning component and the tooth tip positioning component, and formed with a positioning channel of a single spoke, wherein when any spoke passes through the positioning channel, the corresponding tooth tip is engaged with the meshing part and forms a zero point; a machining component used for sequentially machining and driving each spoke center line to coincide with the center line of the corresponding tooth tip based on the zero point.

2. The tip and web corrector for precision thin wall gears as set forth in claim 1, wherein When the gear is placed on the reference surface and centered, the spoke and tooth tip with the smallest center line angle on the gear pass through the positioning channel and the meshing part, respectively.

3. The tip and web corrector for precision thin wall gears of claim 1 wherein, The center positioning component comprises a center module inserted into the middle part of the gear, and a connecting piece used for fixedly connecting the center module with the base, wherein the connecting piece is multiple and distributed along the radial direction of the gear.

4. The tip and web corrector for precision thin wall gears as set forth in claim 3, wherein The base is formed with a center hole, and the center positioning component further comprises a center shaft inserted into the center hole, and the center module is sleeved on the center shaft.

5. The tip and web corrector for precision thin wall gears of claim 1 wherein, The tooth tip positioning component comprises a positioning column extending along the radial direction of the gear, and an adjusting piece used for driving the positioning column to adjust towards the tooth tip.

6. The tip and web corrector for precision thin wall gears as set forth in claim 5, wherein The base is formed with an embedding groove, and the tooth tip positioning component further comprises an inlay inserted into the embedding groove, wherein the inlay is formed with a guide channel extending along the radial direction of the gear, and the positioning column is inserted into the guide channel and adjusts along the guide channel towards the tooth tip.

7. The tip and web corrector for precision thin wall gears of claim 1 wherein, The spoke positioning component is detachably connected to the base.

8. The tip and web corrector for precision thin wall gears of claim 1 wherein, The base is further formed with a plurality of insertion grooves distributed along the width direction of the corresponding spoke, and the spoke positioning component comprises a U-shaped insertion module, wherein the two ends of the U-shaped insertion module are inserted into two insertion grooves, respectively, and the inner wall of the U-shaped insertion module and the reference surface form the positioning channel.

9. The tip and web corrector for precision thin wall gears of claim 1 wherein, The base is further provided with a pressing block used for pressing the gear on the reference surface.

10. The tip and web corrector for precision thin wall gears of claim 9 wherein, The pressing block is arranged at the edge of the gear, and the pressing block is multiple and distributed along the center line of the gear.

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