A planetary hobbing machining device

Abstract

The application discloses a planetary gear hobbing machining device, and relates to the technical field of machining equipment, which comprises a workbench, a rotating seat, a rotating ring, a base, a containing hole, a connecting hole one, a positioning groove, a positioning clamping block, a center column, a heightening sleeve, a gland, and a hydraulic nut. The heightening sleeve is fixedly connected through the positioning clamping block, the center column is matched with the placing hole to center and clamp the protruding part on the side surface of the planetary gear, and annular support is provided. The two side surfaces of the planetary gear are annularly and fully pressed by the gland and the hydraulic nut matched with the heightening sleeve, and are limited in position, so that displacement of the planetary gear during hobbing machining is avoided, the problem of displacement of the planetary gear during hobbing machining of the existing device is solved, and the planetary gear cannot be displaced during hobbing machining.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machining equipment, in particular to a planetary gear hobbing machining device. BACKGROUND

[0002] Disc sleeve parts are one of the common typical parts in machining, usually serving as support and guide, including gears, gear rings, pulleys, etc. When machining large gears such as planetary gears for large wind power gearboxes, heavy cutting method is adopted to hob to full tooth depth with one or two cuts, so that the efficiency of machining gears is higher and large gears can be quickly machined.

[0003] However, when the existing hobbing machining device is used to machine large planetary gears, the planetary gears need to be subjected to sufficient pressing force due to large stress, and the planetary gears are segmented and pressed and fixed by tightening bolts through multiple sleeves, which may cause displacement of the planetary gears during machining.

[0004] Therefore, we need a planetary gear hobbing machining device to solve the problem of displacement of the planetary gears during the planetary gear hobbing machining process of the existing device, so that the planetary gears will not displace during the planetary gear hobbing machining process. SUMMARY

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

[0006] To achieve the above purpose, the embodiments of the present application adopt the following technical solutions:

[0007] A planetary gear hobbing machining device comprises a workbench, an annular groove is arranged on the workbench; a rotating seat is arranged at the center of the workbench; a rotating ring is arranged in the annular groove, and an interface is arranged on the rotating ring; a base is arranged on the rotating seat, and the base comprises a receiving hole arranged in the base, a connecting hole one arranged on the base and extending into the rotating seat, a positioning groove arranged on the base and located on the outer side of the base, and a positioning clamping block arranged in the positioning groove and provided with a connecting hole two extending through the positioning groove to the interface; a center column comprises a fixed part arranged in the receiving hole and a connecting part arranged above the fixed part; a height-raising sleeve is arranged on the base, the height-raising sleeve is sleeved on the outer side of the center column, the upper end of the height-raising sleeve is provided with a placing hole, the bottom of the height-raising sleeve is provided with a missing part, and the missing part and the positioning groove cooperate to place the positioning clamping block; a gland is arranged above the height-raising sleeve and sleeved on the outer side of the center column; and a hydraulic nut is arranged above the gland.

[0008] In the above technical solution, the positioning clamping block is used to center and fixedly connect the height-increasing sleeve, the placement hole is used to center and clamp the protruding part on the side surface of the planetary gear, and an annular support is provided, the gland and the hydraulic nut are used to annularly and comprehensively press the two side surfaces of the planetary gear, and the height-increasing sleeve is used to limit the displacement of the planetary gear during gear hobbing.

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

[0010] Further, according to the embodiment of the application, the connecting hole one and the connecting hole two are stepped holes.

[0011] Further, according to the embodiment of the application, the placement hole of the height-increasing sleeve is provided with a centering mechanism.

[0012] Further, according to the embodiment of the application, the centering mechanism comprises:

[0013] a driving motor, which is arranged in the height-increasing sleeve;

[0014] 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.

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

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

[0017] Further, according to the embodiment of the application, the gland is provided with an adjusting groove.

[0018] Further, according to the embodiment of the application, the adjusting groove is provided with an adjusting centering block.

[0019] The embodiment of the application also discloses a use method, which comprises the following steps:

[0020] placing the height-increasing sleeve on the base;

[0021] adjusting the center of the height-increasing sleeve through the positioning clamping block;

[0022] fixedly connecting the height-increasing sleeve, the base, the rotating seat and the rotating ring through the connecting piece and the positioning clamping block; placing the planetary gear on the height-increasing sleeve;

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

[0024] Pressing and fixing, the gland is placed above the planetary gear, and the planetary gear is pressed and fixed on the pad sleeve after centering by the hydraulic nut;

[0025] Processing, the planetary gear after pressing and fixing is hobbing processed.

[0026] Compared with the prior art, the pad sleeve is centered and fixed by the positioning block, the protruding part on the side surface of the planetary gear is centered and clamped by the hole matched with the center column, and annular support is provided, the two side surfaces of the planetary gear are annularly and comprehensively pressed by the gland and the hydraulic nut matched with the pad sleeve, and limiting is performed, so that displacement of the planetary gear during hobbing processing is avoided, the problem of displacement of the planetary gear during hobbing processing of the existing device is solved, and the planetary gear will not be displaced during hobbing processing. BRIEF DESCRIPTION OF DRAWINGS

[0027] The application will be further described below in combination with the drawings and examples.

[0028] Figure 1 It is an axial view of a planetary gear hobbing processing device when processing a planetary gear.

[0029] Figure 2 It is an axial view of a planetary gear hobbing processing device.

[0030] Figure 3 It is an axial view of a planetary gear hobbing processing device removing the part above the pad sleeve.

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

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

[0033] Figure 6 It is a bottom sectional view of a centering mechanism part of a planetary gear hobbing processing device.

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

[0035] Figure 8 It is Figure 7 A partial enlarged view of A.

[0036] In the drawings

[0037] 1, planetary gear 2, hydraulic nut 3, center column

[0038] 4, gland 41, adjusting centering block 5, pad sleeve

[0039] 51, centering mechanism 511, driving motor 512, centering push rod

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

[0041] 8, workbench 9, connecting piece 101, rotating ring

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

[0043] 10311, connecting part 10312, limiting connecting part 10313, matching part

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

[0045] In order to make the purpose, technical scheme of the present application clear, complete and the advantages more clear and obvious, the embodiments of the present application are further described in detail below in combination with the drawings. It should be understood that the specific embodiments described here are part of the embodiments of the present application, not all the embodiments, only to explain the embodiments of the present application, and not for limiting the embodiments of the present application, all other embodiments obtained by the person skilled in the art without doing creative work, belong to the scope of protection of the present application.

[0046] In the description of the present application, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0047] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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 communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] For purposes of simplicity and illustration, the principles of the embodiments are described primarily by way of example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures have not been described in detail to avoid unnecessarily obscuring these embodiments. Furthermore, all embodiments can be used in combination with each other.

[0049] Example 1: As Figures 1-5 As shown, a planetary gear hobbing apparatus includes:

[0050] Worktable 8, with an annular groove provided on it; Rotary seat 102, located at the center of worktable 8.

[0051] A rotating ring 101 is disposed within an annular groove and has a connecting portion thereon; a base 7 is disposed on a rotating seat 102 and includes: a receiving hole disposed within the base 7; a first connecting hole disposed on the base 7 and extending into the rotating seat 102; and a positioning groove disposed on the base 7 and located on the outer side of the base 7.

[0052] Positioning block 6 is set in positioning groove and has a second connecting hole that extends through positioning groove to the connecting part; center column 3 includes a fixing part and a connecting part 10311. The fixing part is set in receiving hole and the connecting part 10311 is set above the fixing part.

[0053] Elevating sleeve 5 is set on the base 7 and sleeved on the outside of the central column 3. The upper end of the elevating sleeve 5 is provided with a placement hole and the bottom of the elevating sleeve 5 is provided with a notch. The notch and the positioning groove cooperate to place the positioning block 6; pressure cap 4 is set above the elevating sleeve 5 and sleeved on the outside of the central column 3; hydraulic nut 2 is set above the pressure cap 4.

[0054] The positioning block 6 centers and fixes the shim sleeve 5, and the placement hole, together with the center column 3, centers and clamps the protruding part on the side of the planetary gear 1 and provides annular support. The pressure cap 4 and the hydraulic nut 2, together with the shim sleeve 5, fully press the two sides of the planetary gear 1 in annular shape and limit the movement, thus preventing the planetary gear 1 from shifting during gear hobbing. This solves the problem of planetary gear 1 shifting during gear hobbing in existing devices, and ensures that the planetary gear 1 will not shift during gear hobbing.

[0055] The fixed connection of the positioning clamping block 6, the base 7 and the rotating ring 101 and the fixed connection of the base 7 and the rotating seat 102 are connected through the connecting piece 9, the connecting piece 9 includes screws, bolts, rivets and the like, the fixed connection of the positioning clamping 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 in the process of hobbing, and further avoids the displacement of the planetary gear in the process of hobbing.

[0056] The connecting hole one and the connecting hole two are stepped holes, the connecting hole one and the connecting hole two provided with the stepped holes can further avoid the interference and reduce the influence on the process of hobbing of the planetary gear, and avoid the displacement of the planetary gear 1 in the process of machining.

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

[0058] The centering mechanism 51 performs secondary accurate centering on the planetary gear 1 after the planetary gear 1 is placed on the heightening sleeve 5, cooperates with the primary centering of the planetary gear 1 by the center column 3, makes the centering of the planetary gear 1 more accurate, makes the gland 4 and the hydraulic nut 2 correspond to the pressing position of the planetary gear 1, can better press and fix the planetary gear 1, further avoids the displacement of the planetary gear 1 in the process of machining, further solves the problem of displacement of the planetary gear 1 in the process of hobbing of the planetary gear by the existing device, and can make the planetary gear 1 not displace in the process of hobbing.

[0059] The annular groove is a T-shaped groove, the rotating ring 101 is a T-shaped ring, and the gland 4 is provided in an inverted U shape, the gland 4 is provided with an adjusting groove, and the adjusting groove is provided with an adjusting centering block 41.

[0060] The adjusting centering block 41 is annular, after the centering of the planetary gear 1 is completed, the size of the inner ring of the planetary gear 1 is adjusted, the gap between the planetary gear 1 and the center column 3 is adjusted and arranged in the adjusting groove, a larger contact area is provided when the gland 4 presses the planetary gear 1, and the gap between the planetary gear 1 and the center column 3 is supplemented, so that the planetary gear 1 and the center column 3 and the heightening sleeve 5 are more stable, the movable distance of the planetary gear 1 is reduced, the displacement of the planetary gear 1 in the process of machining is further avoided, the problem of displacement of the planetary gear 1 in the process of hobbing of the planetary gear by the existing device is further solved, and the planetary gear 1 can not displace in the process of hobbing.

[0061] Embodiment two: as shown in the embodiment one, on the basis of the embodiment one, the heightening sleeve 5 is further improved in the embodiment: Figure 6 ​

[0062] The calibration groove is arranged at the upper end of the heightening sleeve 5, and a plurality of calibration grooves are arranged in a circumferential array on the heightening sleeve 5.

[0063] The auxiliary calibration mechanism 103 is arranged in the calibration groove, and the auxiliary calibration mechanism 103 comprises:

[0064] The top pad 1031 is disc-shaped, and the top pad 1031 comprises a connecting portion 10311, a limiting connecting portion 10312 and a matching portion 10313. The limiting connecting portion 10312 is arranged on the outer side of the connecting portion 10311 and is inclined from the outer side to the inner side. The matching portion 10313 is arranged on the outer side of the limiting connecting portion 10312, and the matching portion 10313 is used for cooperating with the calibration groove to guide.

[0065] The moving rod 1032 is connected to the connecting portion 10311 at one end and connected to the calibration groove at the other end.

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

[0067] Through the calibration groove arranged on the heightening sleeve 5 and the auxiliary calibration mechanism 103 in the calibration groove, in the centering process of the planetary gear 1, the auxiliary calibration mechanism 103 can assist in calibrating the hole on the planetary gear 1. The moving rod 1032 moves through the compression spring 1033, so that the limiting connecting portion 10312 of the top pad 1031 further assists in calibrating the centering of the hole on the planetary gear 1. The cooperation of the centering mechanism 51 makes the centering of the planetary gear 1 more accurate, so that the gland 4 and the hydraulic nut 2 correspond to the pressing position of the planetary gear 1, and the planetary gear 1 can be better pressed and fixed, avoiding the displacement of the planetary gear 1 in the machining process, further solving the problem of displacement of the planetary gear 1 in the planetary gear hobbing machining process, and making the planetary gear 1 more unlikely to displace in the hobbing machining process.

[0068] Embodiment three: as shown in the embodiment two, on the basis of the embodiment two, the embodiment further provides a use method of the planetary gear hobbing machining device, comprising: Figures 1-7

[0069] Placing one, placing the heightening sleeve 5 on the base 7;

[0070] Adjusting, adjusting the center of the heightening sleeve 5 through the positioning clamping block 6;

[0071] Fixing, fixing and connecting the heightening sleeve 5, the base 7, the rotating seat 102 and the rotating ring 101 through the connecting piece 9 and the positioning clamping block 6;

[0072] Placing two, placing the planetary gear 1 on the heightening sleeve 5;​

[0073] centering, centering the planetary gear 1 by the centering column 3;

[0074] pressing and fixing, placing the pressing cover 4 above the planetary gear 1, and pressing and fixing the planetary gear 1, which has been centered, on the pad sleeve 5 by the hydraulic nut 2;

[0075] machining, machining the planetary gear 1, which has been pressed and fixed, by hobbing.

[0076] Although the above describes the specific embodiments of the present application in order to enable a person skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments, and all the application creations utilizing the concept of the present application are within the protection of the present application as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims.

Claims

1. A planetary gear hobbing apparatus, comprising: A workbench, wherein an annular groove is provided on the workbench; A rotating base, wherein the rotating base is disposed at the center of the worktable; Its characteristic is that it includes a rotating ring, which is disposed within the annular groove, and a connecting portion is provided on the rotating ring; A base, wherein the base is disposed on the rotating seat, the base comprising: A receiving hole is provided within the base; A first connecting hole is provided on the base and extends into the rotating seat; A positioning groove is provided on the base and is located on the outside of the base; A positioning block is provided, wherein the positioning block is disposed in the positioning groove, and the positioning block is provided with a second connecting hole, which extends through the positioning groove to the joint. A central column, comprising a fixing part and a connecting part, wherein the fixing part is disposed within the receiving hole and the connecting part is disposed above the fixing part; A shim sleeve is provided on the base and sleeved on the outside of the central column. The upper end of the shim sleeve is provided with a placement hole, and the bottom of the shim sleeve is provided with a notch. The notch and the positioning groove cooperate to place the positioning block. A pressure cap is disposed above the shim sleeve and is sleeved on the outside of the central column; A hydraulic nut, wherein the hydraulic nut is disposed above the gland; The calibration slots are located at the upper end of the shim sleeve. Multiple calibration slots are arranged in a circumferential array on the shim sleeve. The auxiliary calibration mechanism is located within the calibration slot and includes: a top pad, which is disc-shaped and includes a connecting part, a limiting part, and a mating part. The limiting part is inclined inward from the outside to the inside of the connecting part, and the mating part is located on the outside of the limiting part. The mating part is used to guide the calibration slot; a moving rod, one end of which is connected to the connecting part and the other end of which is connected to the calibration slot; and a compression spring, which is sleeved on the outside of the moving rod. The moving rod moves via the compression spring, allowing the limiting part of the top pad to perform further auxiliary calibration and centering of the holes on the planetary gears.

2. The planetary gear hobbing apparatus according to claim 1, characterized in that, The positioning block, the base, and the rotating ring are fixedly connected, and the base and the rotating seat are fixedly connected by connectors.

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

4. The planetary gear hobbing apparatus according to claim 1, characterized in that, A centering mechanism is provided at the placement hole of the shim sleeve.

5. The planetary gear hobbing apparatus according to claim 4, characterized in that, The centering mechanism includes: A drive motor is disposed inside the shim sleeve; A centering push rod, one end of which is connected to and installed inside the drive motor, and the other end of which is provided with an arc-shaped push plate.

6. The planetary gear hobbing apparatus 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 apparatus according to claim 1, characterized in that, The pressure cap is designed in an inverted U-shape.

8. The planetary gear hobbing apparatus according to claim 1, characterized in that, An adjustment groove is provided inside the pressure cap.

9. A planetary gear hobbing apparatus according to claim 8, characterized in that, An adjusting centering block is provided inside the adjusting groove.

10. A method of using a planetary gear hobbing apparatus, characterized in that, The planetary gear hobbing apparatus described in any one of claims 1-9, wherein the method of using the planetary gear hobbing apparatus includes: Placement 1: Place the shim sleeve on the base; The center of the shim sleeve is adjusted by means of the positioning block; The raising sleeve, the base, the rotating seat, and the rotating ring are fixedly connected by the connector and the positioning block; Placement 2: Place the planetary gears on the shim sleeve; Centering is achieved by centering the planetary gears using the central pillar. Tighten and fix the pressure cap, place it above the planetary gear, and use the hydraulic nut to tighten and fix the planetary gear after centering onto the shim sleeve; The planetary gears, after being clamped and fixed, undergo gear hobbing.

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