Planet gear hobbing device

Abstract

The invention discloses a planet gear hobbing device, and relates to the technical field of machining equipment, the planet gear hobbing device comprises a workbench, a rotating seat, a rotating ring, a base, a containing hole, a first connecting hole, a positioning groove, a positioning clamping block, a central column, a heightening sleeve, a gland and a hydraulic nut, and the heightening sleeve is centered and fixedly connected through the positioning clamping block; the placing hole is matched with the center column to center and clamp the protruding part of the side face of the planet gear, annular supporting is provided, the gland and the hydraulic nut are matched with the heightening sleeve to annularly and comprehensively press the two side faces of the planet gear, limiting is conducted, displacement of the planet gear in the gear hobbing process is avoided, and the machining efficiency is improved. The planet gear hobbing device solves the problem of planet gear displacement in the planet gear hobbing process of an existing device, and the planet gear cannot displace in the hobbing process.

Description

Technical Field

[0001] The present application relates to the technical field of mechanical processing equipment, and in particular to a planetary gear hobbing processing device. Background Art

[0002] Disc sleeve parts are one of the typical parts commonly seen in mechanical processing. They usually play a supporting and guiding role, including gears, gear rings, pulleys, etc. When processing large gears with gear hobbing, such as planetary gears for large wind power gearboxes, it is necessary to adopt a heavy cutting method, using one or two cuts to hob to the full tooth depth. This method has a higher efficiency in gear processing and can quickly process large gears.

[0003] However, when the existing gear hobbing processing device is used to process large planetary gears, since the planetary gears are subjected to large forces, sufficient clamping force needs to be applied to the planetary gears. If the planetary gears are clamped and fixed in sections by tightening bolts through multiple sleeves, the planetary gears may be displaced during the processing.

[0004] Therefore, we need a planetary gear hobbing processing device to solve the problem of planetary gear displacement during the planetary gear hobbing processing of the existing device, so that the planetary gear will not be displaced during the hobbing processing. Summary of the invention

[0005] The purpose of the present application is to solve the problem of planetary gear displacement during the planetary gear hobbing process caused by the existing devices. In order to solve the above problem, the present application provides a planetary gear hobbing device, which can prevent the planetary gear from being displaced during the planetary gear hobbing process.

[0006] To achieve the above objectives, the present application embodiment adopts the following technical solutions:

[0007] A planetary gear hobbing processing device comprises: a workbench, an annular groove is arranged on the workbench; a rotating seat, the rotating seat is arranged at the center of the workbench; a rotating ring, the rotating ring is arranged in the annular groove, and a connecting portion is arranged on the rotating ring; a base, the base is arranged on the rotating seat, and the base comprises: a receiving hole, the receiving hole is arranged in the base; a connecting hole 1, the connecting hole 1 is arranged on the base, and the connecting hole 1 extends into the rotating seat; a positioning groove, the positioning groove is arranged on the base, and the positioning groove is located on the outside of the base; a positioning block, the positioning block is arranged in the positioning groove, and a connecting portion is arranged on the positioning block A second connecting hole is provided, and the second connecting hole passes through the positioning groove and extends to the connecting part; a center column, the center column includes a fixing part and a connecting part, the fixing part is arranged in the accommodating hole, and the connecting part is arranged above the fixing part; a raising sleeve, the raising sleeve is arranged on the base, the raising sleeve is sleeved on the outside of the center column, a placement hole is provided at the upper end of the raising sleeve, a notch is provided at the bottom of the raising sleeve, and the notch and the positioning groove are cooperated to place the positioning block; a pressure cover, the pressure cover is arranged above the raising sleeve, and the pressure cover is sleeved on the outside of the center column; a hydraulic nut, the hydraulic nut is arranged above the pressure cover.

[0008] In the above technical scheme, the embodiment of the present application uses a positioning block to center and fix the raising sleeve, the placement hole cooperates with the center column to center and clamp the protruding part of the side of the planetary wheel, and provide annular support, the pressure cover and the hydraulic nut cooperate with the raising sleeve to perform annular and comprehensive compression on the two side surfaces of the planetary wheel, and limit the position, thereby avoiding displacement of the planetary wheel during gear rolling.

[0009] Further, according to an embodiment of the present application, the fixed connection between the positioning block, the base, and the rotating ring and the fixed connection between the base and the rotating seat are connected through a connecting piece.

[0010] Further, according to an embodiment of the present application, connection hole one and connection hole two are step holes.

[0011] Further, according to an embodiment of the present application, a centering mechanism is provided at the placement hole of the raising sleeve.

[0012] Further, according to an embodiment of the present application, the centering mechanism includes:

[0013] A driving motor is arranged in the raising sleeve;

[0014] A centering push rod, one end of which is connected and arranged in the driving motor, and the other end of which is provided with an arc-shaped push plate.

[0015] Further, according to an embodiment of the present application, the annular groove is a T-shaped groove, and the rotating ring is a T-shaped ring.

[0016] Further, according to an embodiment of the present application, the pressure cover is arranged in an inverted U shape.

[0017] Further, according to an embodiment of the present application, an adjustment groove is provided in the pressure cover.

[0018] Further, according to an embodiment of the present application, an adjustment centering block is provided in the adjustment groove.

[0019] The present application also discloses a method of use, including:

[0020] Placement 1: Place the heightening sleeve on the base;

[0021] Adjustment: adjust the center of the heightening sleeve by means of the positioning block;

[0022] Fixing, fix the heightening sleeve, the base, the rotating seat and the rotating ring through the connecting piece and the positioning block; placing, place the planetary gear on the heightening sleeve;

[0023] Centering: centering the planetary gear through the center column;

[0024] Press and fix, place the gland on top of the planetary gear, and press and fix the centering planetary gear on the heightening sleeve through the hydraulic nut;

[0025] Processing, the planetary gear is hobbed after being pressed and fixed.

[0026] Compared with the prior art, the present application uses a positioning block to center and fix the raising sleeve, the placement hole cooperates with the center column to center and clamp the protruding part of the side of the planetary wheel, and provide annular support, the pressure cover and the hydraulic nut cooperate with the raising sleeve to perform annular and comprehensive compression on the two side surfaces of the planetary wheel, and limit the position, thereby avoiding displacement of the planetary wheel during gear hobbing, solving the problem of planetary wheel displacement during planetary wheel gear hobbing caused by existing devices, and preventing the planetary wheel from displacing during gear hobbing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present application is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Figure 1 The invention discloses an axonometric diagram of a planetary gear hobbing device when machining a planetary gear.

[0029] Figure 2 The utility model is an axonometric schematic diagram of a planetary gear hobbing processing device.

[0030] Figure 3 The present invention is an axonometric schematic diagram of a planetary gear hobbing device for removing the portion above the spacer sleeve.

[0031] Figure 4 The present invention is a front view of a planetary gear hobbing processing device.

[0032] Figure 5 The diagram is a left sectional view of a planetary gear hobbing processing device.

[0033] Figure 6 The present invention is a top sectional view of the centering mechanism of a planetary gear hobbing processing device.

[0034] Figure 7 It is a partial cross-sectional view of a planetary gear hobbing processing device with an auxiliary correction mechanism added.

[0035] Figure 8 yes Figure 7 A is a partial enlarged view of the

[0036] In the attached figure

[0037] 1. Planetary gear 2. Hydraulic nut 3. Center column

[0038] 4. Gland 41. Adjust the centering block 5. Raise the sleeve

[0039] 51. Centering mechanism 511. Driving motor 512. Centering push rod

[0040] 513, arc push plate 6, positioning block 7, base

[0041] 8. Workbench 9. Connector 101. Rotating ring

[0042] 102, rotating seat 103, auxiliary correction mechanism 1031, top pad

[0043] 10311, connecting portion 10312, limiting connection portion 10313, matching portion

[0044] 1032, moving rod 1033, compression spring DETAILED DESCRIPTION

[0045] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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 operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0047] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0049] Embodiment 1: Figure 1-5 As shown, a planetary gear hobbing processing device comprises:

[0050] A workbench 8 is provided with an annular groove; a rotating seat 102 is provided at the center of the workbench 8 .

[0051] A rotating ring 101, which is arranged in the annular groove, and a connecting portion is arranged on the rotating ring 101; a base 7, which is arranged on the rotating seat 102, and the base 7 includes: a receiving hole, which is arranged in the base 7; a connecting hole one, which is arranged on the base 7, and the connecting hole one extends into the rotating seat 102; a positioning groove, which is arranged on the base 7, and the positioning groove is located on the outer side of the base 7.

[0052] The positioning block 6 is arranged in the positioning slot, and a second connecting hole is arranged on the positioning block 6, and the second connecting hole passes through the positioning slot and extends to the connecting part; the center column 3, the center column 3 includes a fixing part and a connecting part 10311, the fixing part is arranged in the accommodating hole, and the connecting part 10311 is arranged above the fixing part.

[0053] A raising sleeve 5, which is arranged on a base 7 and sleeved on the outside of a center column 3. A placement hole is arranged on the upper end of the raising sleeve 5, and a notch is arranged on the bottom of the raising sleeve 5. The notch and the positioning groove cooperate to place a positioning block 6; a pressure cover 4, which is arranged above the raising sleeve 5 and sleeved on the outside of the center column 3; a hydraulic nut 2, which is arranged above the pressure cover 4.

[0054] The raising sleeve 5 is centered and fixedly connected through the positioning block 6, the placement hole cooperates with the center column 3 to center and clamp the protruding part of the side of the planetary gear 1, and provide annular support, the pressure cover 4 and the hydraulic nut 2 cooperate with the raising sleeve 5 to perform annular and comprehensive compression on the two side surfaces of the planetary gear 1, and limit the position, thereby avoiding displacement of the planetary gear 1 during the gear hobbing process, solving the problem of displacement of the planetary gear 1 during the gear hobbing process of the planetary gear by the existing device, and preventing the planetary gear 1 from being displaced during the gear hobbing process.

[0055] The fixed connection between the positioning block 6, the base 7, and the rotating ring 101 and the fixed connection between the base 7 and the rotating seat 102 are connected through a connecting piece 9, and the connecting piece 9 includes screws, bolts, rivets, etc. The fixed connection between the positioning block 6, the base 7, and the rotating ring 101 by the connecting piece 9 makes the rotation of the planetary gear 1 more stable during the gear hobbing process, and further avoids displacement during the planetary gear hobbing process.

[0056] The connection hole 1 and the connection hole 2 are step holes. The connection hole 1 and the connection hole 2 set with the step holes can further avoid interference while ensuring the connection, reduce the impact on the planetary gear hobbing process, and avoid displacement of the planetary gear 1 during the processing.

[0057] A centering mechanism 51 is provided at the placement hole of the raising sleeve 5, and the centering mechanism 51 includes: a driving motor 511, which is arranged in the raising sleeve 5; a centering push rod 512, one end of which is connected to the driving motor 511 and the other end of which is provided with an arc-shaped push plate 513.

[0058] The centering mechanism 51 performs secondary precise centering on the planetary gear 1 after it is placed on the raising sleeve 5, and cooperates with the central column 3 to initially center the planetary gear 1, so that the centering of the planetary gear 1 is more accurate, and the pressure cover 4 and the hydraulic nut 2 correspond to the clamping position of the planetary gear 1, so that the planetary gear 1 can be better clamped and fixed, further avoiding the displacement of the planetary gear 1 during the processing, and further solving the problem of displacement of the planetary gear 1 during the planetary gear hobbing processing of the existing device, so that the planetary gear 1 will not be displaced during the gear hobbing processing.

[0059] The annular groove is a T-shaped groove, the rotating ring 101 is a T-shaped ring, the pressure cover 4 is an inverted U-shaped arrangement, an adjustment groove is arranged in the pressure cover 4, and an adjustment centering block 41 is arranged in the adjustment groove.

[0060] The adjusting centering block 41 is annular. After the planetary gear 1 is centered, it is adjusted according to the size of the inner ring of the planetary gear 1. It is set in the adjusting groove for adjusting the gap between the planetary gear 1 and the center column 3, providing a larger contact area when the pressure cover 4 presses the planetary gear 1, and supplementing the gap between the planetary gear 1 and the center column 3, so that the planetary gear 1 and the center column 3 and the pad sleeve 5 are more stable, reducing the movable distance of the planetary gear 1, further avoiding the displacement of the planetary gear 1 during the processing, and further solving the problem of displacement of the planetary gear 1 during the planetary gear hobbing process of the existing device, so that the planetary gear 1 will not be displaced during the gear hobbing process.

[0061] Embodiment 2: Figure 6 As shown, based on the first embodiment, this embodiment makes further improvements to the cushion sleeve 5:

[0062] A calibration groove, which is arranged at the upper end of the raising sleeve 5, and a plurality of calibration grooves are arranged in a circular array on the raising sleeve 5;

[0063] Auxiliary calibration mechanism 103, the auxiliary calibration mechanism 103 is arranged in the calibration tank, and the auxiliary calibration mechanism 103 includes:

[0064] The top pad 1031 is disc-shaped and includes a connecting portion 10311, a position-limiting connecting portion 10312, and a matching portion 10313. The position-limiting connecting portion 10312 is arranged on the outside of the connecting portion 10311 and is inclined from the outside to the inside. The matching portion 10313 is arranged on the outside of the position-limiting connecting portion 10312. The matching portion 10313 is used to cooperate with the calibration groove for guidance;

[0065] A moving rod 1032, one end of the moving rod 1032 is connected to the connecting portion 10311, and the other end of the moving rod 1032 is connected to the calibration groove;

[0066] The compression spring 1033 is sleeved on the outer side of the moving rod 1032 .

[0067] By means of the calibration groove provided on the raising sleeve 5 and the auxiliary calibration mechanism 103 in the calibration groove, during the centering process of the planetary gear 1, the auxiliary calibration mechanism 103 can perform auxiliary calibration for the hole on the planetary gear 1, and the moving rod 1032 is moved by the compression spring 1033, so that the limiting connection part 10312 of the top pad 1031 further performs auxiliary calibration and centering on the hole on the planetary gear 1, and cooperates with the centering mechanism 51 to make the centering of the planetary gear 1 more accurate, so that the pressure cover 4 and the hydraulic nut 2 correspond to the clamping position of the planetary gear 1, and the planetary gear 1 can be better clamped and fixed, avoiding the displacement of the planetary gear 1 during the processing, further solving the problem of displacement of the planetary gear 1 during the planetary gear hobbing processing by the existing device, and making the planetary gear 1 less likely to be displaced during the gear hobbing processing.

[0068] Embodiment 3: Figure 1-7 As shown, based on the second embodiment, this embodiment further provides a method for using a planetary gear hobbing processing device, including:

[0069] Placement 1: Place the heightening sleeve 5 on the base 7;

[0070] Adjustment: adjusting the center of the heightening sleeve 5 by means of the positioning block 6;

[0071] Fixing: the raising sleeve 5, the base 7, the rotating seat 102 and the rotating ring 101 are fixedly connected by the connecting piece 9 and the positioning block 6;

[0072] Placement 2: Place the planetary gear 1 on the raised sleeve 5;

[0073] Centering: centering the planetary gear 1 through the center column 3;

[0074] Press and fix, place the gland 4 on the planetary gear 1, and press and fix the centered planetary gear 1 on the heightening sleeve 5 through the hydraulic nut 2;

[0075] Processing: performing gear hobbing on the planetary gear 1 after being pressed and fixed.

[0076] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A planetary gear hobbing device, comprising: A workbench, wherein an annular groove is provided on the workbench; A rotating seat, the rotating seat is arranged at the center of the workbench; Characterized in that, the rotating ring is arranged in the annular groove, and a connecting portion is arranged on the rotating ring; A base, the base is arranged on the rotating base, and the base comprises: a receiving hole, the receiving hole being arranged in the base; A connecting hole 1, wherein the connecting hole 1 is arranged on the base and extends into the rotating base; A positioning groove, the positioning groove is arranged on the base, and the positioning groove is located on the outer side of the base; A positioning block, the positioning block is arranged in the positioning slot, a second connecting hole is arranged on the positioning block, and the second connecting hole passes through the positioning slot and extends to the connecting portion; A central column, the central column comprising a fixing portion and a connecting portion, the fixing portion is arranged in the accommodating hole, and the connecting portion is arranged above the fixing portion; A raising sleeve, the raising sleeve is arranged on the base, the raising sleeve is sleeved on the outside of the central column, a placement hole is arranged on the upper end of the raising sleeve, a notch is arranged on the bottom of the raising sleeve, and the notch and the positioning groove cooperate to place the positioning block; A gland, the gland is arranged above the pad sleeve, and the gland is sleeved on the outer side of the central column; A hydraulic nut is arranged above the gland.

2. A planetary gear hobbing device according to claim 1, characterized in that: The fixed connection between the positioning block, the base, and the rotating ring and the fixed connection between the base and the rotating seat are connected through a connecting piece.

3. The planetary gear hobbing device according to claim 1, characterized in that: The first connecting hole and the second connecting hole are step holes.

4. The planetary gear hobbing device according to claim 1, characterized in that: A centering mechanism is arranged at the placement hole of the cushion sleeve.

5. A planetary gear hobbing device according to claim 4, characterized in that: The centering mechanism comprises: A driving motor, wherein the driving motor is disposed in the raising sleeve; A centering push rod, one end of which is connected to the driving motor and the other end of which is provided with an arc-shaped push plate.

6. The planetary gear hobbing device according to claim 1, characterized in that: The annular groove is a T-shaped groove, and the rotating ring is a T-shaped ring.

7. The planetary gear hobbing device according to claim 1, characterized in that: The gland is in an inverted U shape.

8. The planetary gear hobbing device according to claim 1, characterized in that: An adjusting groove is arranged in the pressure cover.

9. The planetary gear hobbing device according to claim 8, characterized in that: An adjusting centering block is arranged in the adjusting groove.

10. A method for using a planetary gear hobbing device, characterized in that: A planetary gear hobbing processing device applied to any one of claims 1 to 9, wherein the method for using the planetary gear hobbing processing device comprises: Placement 1: placing the heightening sleeve on the base; Adjustment, adjusting the center of the heightening sleeve by means of the positioning block; Fixing, the raising sleeve, the base, the rotating seat and the rotating ring are fixedly connected by a connecting piece and the positioning block; Placement 2, placing the planetary gear on the raised sleeve; Centering, centering the planetary gear through the central column; Press and fix, place the gland on top of the planetary gear, and press and fix the centering planetary gear on the heightening sleeve through the hydraulic nut; Processing, the planetary gear is hobbed after being pressed and fixed.

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