Automobile planet carrier inner gear plane milling device

By designing a sliding milling mechanism and a sliding plus oscillating milling mechanism for the inner plate milling device of the planetary carrier of automobiles, the problem of multiple transfers and positioning affecting accuracy and efficiency was solved, and a highly efficient and accurate machining effect was achieved.

CN223670269UActive Publication Date: 2025-12-16ZHUCHENG XINGBANG CNC EQUIP CO LTD
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Patent Information

Application Number
CN202520045343.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-16
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing automotive planetary carrier internal planar milling devices require multiple transfers and positioning, affecting machining accuracy and efficiency.

Method used

A planar milling device for the inner gear of an automotive planetary carrier was designed, comprising a sliding milling mechanism, a workpiece table, and a sliding plus oscillating milling mechanism. The sliding plus oscillating milling mechanism enables multi-directional one-time machining, and the combination of a rotating central shaft, an oscillating slide plate, and milling components improves machining accuracy and efficiency.

Benefits of technology

This technology enables multi-directional one-time machining of the inner plane of the automotive planetary carrier, improving machining accuracy and efficiency, and reducing production costs for enterprises.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile part machining, in particular to an automobile planet carrier inner gear plane milling device. Comprising a machine tool, a sliding milling mechanism, a workpiece table and a sliding and swinging milling mechanism. The sliding milling mechanism is arranged on one side of the machine tool, the sliding and swinging milling mechanism is arranged on the other side of the machine tool, and the workpiece table is arranged between the sliding milling mechanism and the sliding and swinging milling mechanism and is connected with the sliding and swinging milling mechanism. The sliding and swinging milling mechanism comprises a rotating middle shaft, a swinging sliding plate, a swinging guide rail and a first milling assembly. The rotating middle shaft is fixed on the machine tool, the workpiece table is fixed at the upper end of the rotating middle shaft, the swing sliding plate is arranged on the rotating middle shaft in a sleeving manner and is connected with the swing guide rail fixed on the machine tool, and the first milling assembly is fixed on the swing sliding plate and does arc-shaped reciprocating motion on the swing guide rail along with the swing sliding plate. According to the utility model, multidirectional and one-time processing of the plane of the inner gear of the planet carrier of the automobile is realized, and the working efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile part machining, and specifically relates to a planetary carrier inner gear plane milling device. BACKGROUND

[0002] In the vehicle transmission system, the planetary carrier plays a pivotal role. It not only transmits torque, but also realizes smooth power transmission through the rotation of the planetary gear. The precise manufacturing and assembly of the planetary carrier ensure the smooth operation of the transmission system, reduce vibration and noise, and improve driving comfort.

[0003] The existing automobile planetary carrier inner gear plane needs to be milled during processing. At present, when milling the automobile planetary carrier inner gear plane, general equipment such as vertical milling machines and horizontal milling machines is used for processing. However, it is found in actual processing that the workpiece needs to be transferred and positioned multiple times, affecting the processing accuracy and work efficiency.

[0004] Therefore, it is urgent to improve the structure of the existing automobile planetary carrier inner gear plane milling device to solve the problem of the need for multiple transfers and positioning, affecting the processing accuracy and work efficiency. SUMMARY

[0005] To solve the problems of the prior art, the utility model provides an automobile planetary carrier inner gear plane milling device, which solves the problem of the need for multiple transfers and positioning, affecting the processing accuracy and work efficiency.

[0006] The technical scheme of the utility model is as follows:

[0007] An automobile planetary carrier inner gear plane milling device, comprising a machine tool and a sliding milling mechanism, a workpiece table and a sliding and swinging milling mechanism arranged on the machine tool. The sliding milling mechanism is arranged on one side of the machine tool, the sliding and swinging milling mechanism is arranged on the other side of the machine tool opposite to the sliding milling mechanism, and the workpiece table is arranged between the sliding milling mechanism and the sliding and swinging milling mechanism and connected with the sliding and swinging milling mechanism. The sliding and swinging milling mechanism comprises a rotating central shaft, an amplitude slide, an amplitude guide rail and a first milling assembly. The rotating central shaft is fixed on the machine tool, and the workpiece table is fixed on the upper end of the rotating central shaft, the amplitude slide is sleeved on the rotating central shaft and connected with the amplitude guide rail fixed on the machine tool, and the first milling assembly is fixed on the amplitude slide and follows the amplitude slide to make arc reciprocating motion on the amplitude guide rail.

[0008] Further, the sliding milling mechanism comprises a fixed table and a second milling assembly, the second milling assembly is fixed on the fixed table, and the fixed table is fixed on the machine tool.

[0009] Further, the second milling assembly comprises a second spindle box, a second spindle box vertical driving mechanism and a second spindle box horizontal driving mechanism, the second spindle box is connected with the second spindle box vertical driving mechanism and the second spindle box horizontal driving mechanism, and a second milling cutter head is arranged on the second spindle box.

[0010] Further, the swing guide rail is arranged as an arc-shaped guide rail and is coaxial with the rotating central shaft, and the swing guide rail is arranged as at least two.

[0011] Further, the swing guide rail is arranged with an arc-shaped structure of an arc gear rack matched with the shape of the swing guide rail, the swing slide plate is arranged with a swing motor, a gear is arranged at the output end of the swing motor, and the gear is matched with the arc gear rack.

[0012] Further, the bottom of the swing slide plate is arranged with a sliding groove matched with the swing guide rail.

[0013] Further, the first milling assembly comprises a first spindle box, a first spindle box vertical driving mechanism and a first spindle box horizontal driving mechanism, the first spindle box is connected with the first spindle box vertical driving mechanism and the first spindle box horizontal driving mechanism, and the first spindle box horizontal driving mechanism is fixedly connected with the swing slide plate, and a first milling cutter head is arranged on the first spindle box.

[0014] Further, the first spindle box horizontal driving mechanism comprises a first linear guide rail, a first driving motor and a vertical sliding table, and the first driving motor drives the vertical sliding table to move horizontally on the first linear guide rail.

[0015] Further, the first spindle box vertical driving mechanism comprises a second linear guide rail and a second driving motor, the second linear guide rail is vertically fixed on the vertical sliding table, and the second driving motor drives the first spindle box to move vertically on the second linear guide rail.

[0016] Further, the workpiece table is arranged with a rotary table, and the workpiece is arranged on the rotary table and can rotate on the rotary table.

[0017] The workpiece machining device has the advantages that:

[0018] The sliding milling mechanism, the workpiece table and the sliding and swing milling mechanism are arranged, so that the automobile planetary carrier inner plane can be processed in multiple directions and at one time, the work efficiency is improved, the workpiece machining precision is ensured, and the problems of low workpiece machining precision and low efficiency of the prior art are overcome, and the cost of enterprises is saved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1It is the whole structure schematic diagram of the utility model.

[0020] Fig. 2 It is the structure schematic diagram of removing swing slide of the utility model.

[0021] Fig. 3 It is the structure schematic diagram of removing workbench and rotary table of the utility model.

[0022] In the figure, 1, machine tool;2, slide milling mechanism;3, workpiece table;4, rotary shaft;5, rotary table;6, swing slide;7, swing guide rail;8, circular arc rack;9, gear;10, swing motor;11, first drive motor;12, vertical slide;13, vertical slide;14, first spindle box;15, cutter head;16, second linear guide rail;17, first linear guide rail. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the preferred embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0025] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0026] In the description of the utility model, it needs to explain, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, or it is the orientation or positional relationship of the utility model product when using commonly, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the restriction of the utility model of indicating or implying that the device or element must have a specific orientation, structure and operation, therefore cannot be understood as the restriction of the utility model.

[0027] In the description of the utility model, it also needs to explain, unless otherwise specified and limited, the terms "set", "connect" should be understood broadly, for example, it can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] In the utility model, unless otherwise specified and limited, the "upper" or "lower" of the first feature in the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them.Moreover, the "upper", "upper" and "upper" of the first feature in the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature.The "below", "below" and "below" of the first feature in the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0029] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout the drawings.The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0030] As Figs. 1-3 As shown in a kind of automobile planet carrier inner row plane milling device, including machine tool 1 and the sliding milling mechanism 2 of setting on machine tool 1, workpiece table 3 and sliding plus swing milling mechanism.By the cooperation of sliding plus swing milling mechanism, workpiece table 3 and sliding milling mechanism 2, multi-directional, disposable processing to automobile planet carrier inner row plane can be realized, improve work efficiency, ensure the precision of workpiece processing.

[0031] The sliding milling mechanism 2 is arranged on one side of the machine tool 1, the sliding and swinging milling mechanism is arranged on the other side of the machine tool 1 opposite to the sliding milling mechanism 2, and the workpiece table 3 is arranged between and connected with the sliding milling mechanism 2 and the sliding and swinging milling mechanism.

[0032] Specifically, the sliding and swinging milling mechanism comprises a rotating central shaft 4, a swing slide plate 6, a swing guide rail 7 and a first milling assembly. The rotating central shaft 4 is fixed at a central position of the machine tool 1, and the workpiece table 3 is fixed at an upper end of the rotating central shaft 4. The swing slide plate 6 is sleeved on the rotating central shaft 4 and can rotate on the rotating central shaft 4. The swing slide plate 6 is connected with the swing guide rail 7 fixed on the machine tool 1, and the first milling assembly is fixed on the swing slide plate 6 and can make arc reciprocating motion on the swing guide rail 7 along with the swing slide plate 6.

[0033] The sliding milling mechanism 2 comprises a fixed table and a second milling assembly, the second milling assembly is fixed on the fixed table, and the fixed table is fixed on the machine tool 1. The second milling assembly comprises a second spindle box, a second spindle box vertical driving mechanism and a second spindle box horizontal driving mechanism, the second spindle box is connected with the second spindle box vertical driving mechanism and the second spindle box horizontal driving mechanism, so as to realize the up-down and front-back movement of the second spindle box.

[0034] The swing guide rail 7 is arranged as an arc guide rail and coaxial with the rotating central shaft 4. In this embodiment, the swing guide rail 7 is arranged as three arc guide rails coaxial with each other, and a circular arc rack 8 is arranged on the middle arc guide rail. A swing motor 10 is arranged on the swing slide plate 6, a gear 9 is arranged at an output end of the swing motor 10, the gear 9 cooperates with the circular arc rack 8 to drive the swing slide plate 6 to move along the direction of the circular arc rack 8. The swing motor 10 is arranged as a servo motor. The swing angle of the swing guide rail 7 can be changed according to the processing requirements. Sliding grooves matched with the swing guide rail 7 are arranged on both sides of the bottom of the swing slide plate 6, so as to ensure the stable operation of the swing slide plate 6 on the swing guide rail 7.

[0035] The second milling assembly has the same structure as the first milling assembly. The first milling assembly comprises a first spindle box 14, a first spindle box vertical driving mechanism and a first spindle box horizontal driving mechanism, the first spindle box 14 is connected with the first spindle box vertical driving mechanism and the first spindle box horizontal driving mechanism, and the first spindle box horizontal driving mechanism is fixedly connected with the swing slide plate 6.

[0036] Specifically, the first spindle box horizontal drive mechanism comprises a first linear guide rail 17, a first drive motor 11 and a vertical sliding table 12, the first drive motor 11 drives the vertical sliding table 12 to move horizontally on the first linear guide rail 17. The first spindle box vertical drive mechanism comprises a second linear guide rail 16 and a second drive motor, the second linear guide rail 16 is vertically fixed on the vertical sliding table 12, and the second drive motor drives the first spindle box 14 to move vertically on the second linear guide rail 16. Specifically, the first spindle box 14 is fixed on a vertical sliding plate 13, the vertical sliding plate 13 is connected with the second linear guide rail 16, the vertical sliding plate 13 is driven by the second drive motor to move up and down, thereby driving the first spindle box 14 to move up and down in the vertical direction. A speed reducer is arranged on the first spindle box 14. The first drive motor 11 and the second drive motor are servo motors.

[0037] The first spindle box 14 and the second spindle box are respectively provided with cutter heads 15. The workpiece table 3 is provided with a rotary table 5, the workpiece is arranged on the rotary table 5 and can rotate on the rotary table 5. The rotary table 5 is provided with a rotary table 5 drive motor, the rotary table 5 drive motor drives the workpiece on the rotary table 5 to rotate.

[0038] In the specific working process, the workpiece is fixed on the rotary table 5, the first spindle box 14 and the second spindle box are moved close to the workpiece through the first milling assembly and the second milling assembly, and the swing angle is cooperated with the swing plate 6 to mill the inner profile plane of the workpiece, so that the multi-directional and one-time machining of the inner profile plane of the automobile planet carrier can be realized, the working efficiency is improved, and the machining precision of the workpiece is ensured.

[0039] The above-mentioned embodiments of the utility model do not constitute the limitation to the protection scope of the utility model. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A milling device for the inner plane of an automotive planetary carrier, characterized in that: The system includes a machine tool (1) and a sliding milling mechanism (2), a workpiece table (3), and a sliding and oscillating milling mechanism mounted on the machine tool (1). The sliding milling mechanism (2) is located on one side of the machine tool (1), and the sliding and oscillating milling mechanism is located on the other side of the machine tool (1) opposite to the sliding milling mechanism (2). The workpiece table (3) is located between the sliding milling mechanism (2) and the sliding and oscillating milling mechanism and is connected to the sliding and oscillating milling mechanism. It includes a rotating central shaft (4), a swing slide plate (6), a swing guide rail (7), and a first milling assembly; the rotating central shaft (4) is fixed on the machine tool (1) and the workpiece table (3) is fixed on the upper end of the rotating central shaft (4); the swing slide plate (6) is sleeved on the rotating central shaft (4) and connected to the swing guide rail (7) fixed on the machine tool (1); the first milling assembly is fixed on the swing slide plate (6) and follows the swing slide plate (6) to make arc reciprocating motion on the swing guide rail (7).

2. The milling device for the inner plane of an automotive planetary carrier according to claim 1, characterized in that: The sliding milling mechanism (2) includes a fixed table and a second milling assembly, the second milling assembly being fixed on the fixed table, and the fixed table being fixed on the machine tool (1).

3. The milling device for the inner plane of an automotive planetary carrier according to claim 2, characterized in that: The second milling assembly includes a second spindle box, a second spindle box vertical drive mechanism, and a second spindle box horizontal drive mechanism. The second spindle box is connected to the second spindle box horizontal drive mechanism through the second spindle box vertical drive mechanism, and a second milling cutter disc is provided on the second spindle box.

4. The milling device for the inner plane of an automotive planetary carrier according to claim 1, characterized in that: The swing guide rail (7) is set as an arc-shaped guide rail, coaxial with the rotation center axis (4), and at least two swing guide rails (7) are set.

5. A milling device for the inner plane of an automotive planetary carrier according to claim 1 or 4, characterized in that: The swing guide rail (7) is provided with an arc rack (8) with an arc structure that matches the shape of the swing guide rail (7). The swing slide plate (6) is provided with a swing motor (10). The output end of the swing motor (10) is provided with a gear (9). The gear (9) cooperates with the arc rack (8).

6. The milling device for the inner plane of an automotive planetary carrier according to claim 1, characterized in that: The bottom sides of the swing slide plate (6) are provided with grooves that match the swing guide rail (7).

7. The milling device for the inner plane of an automotive planetary carrier according to claim 1, characterized in that: The first milling assembly includes a first spindle box (14), a first spindle box vertical drive mechanism and a first spindle box horizontal drive mechanism. The first spindle box (14) is connected to the first spindle box horizontal drive mechanism through the first spindle box vertical drive mechanism. The first spindle box horizontal drive mechanism is fixedly connected to the swing slide plate (6). A first milling cutter disc is provided on the first spindle box (14).

8. The milling device for the inner plane of an automotive planetary carrier according to claim 7, characterized in that: The first spindle box horizontal drive mechanism includes a first linear guide rail (17), a first drive motor (11), and a vertical slide (12). The first drive motor (11) drives the vertical slide (12) to move horizontally on the first linear guide rail (17).

9. The milling device for the inner plane of an automotive planetary carrier according to claim 8, characterized in that: The first spindle box vertical drive mechanism includes a second linear guide rail (16) and a second drive motor. The second linear guide rail (16) is vertically fixed on the vertical slide (12), and the second drive motor drives the first spindle box (14) to make vertical movements on the second linear guide rail (16).

10. The milling device for the inner plane of an automotive planetary carrier according to claim 1, characterized in that: The workpiece stage (3) is provided with a turntable (5), and the workpiece is placed on the turntable (5) and can rotate on the turntable (5).