Multi-station slewing bearing precision machining device

The multi-station slewing bearing precision machining device integrates turning, drilling and grinding functions, solving the problems of time-consuming and insufficient precision in traditional slewing bearing machining, and realizing efficient and accurate multi-process machining to meet the needs of different workpieces.

CN224073950UActive Publication Date: 2026-04-03ANHUI UNIVERSAL TRANSMISSION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-03

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Abstract

The utility model discloses a multi-station slewing bearing precision machining device, and belongs to the technical field of slewing bearings. The multi-station slewing bearing precision machining device comprises a base, a turning station, a drilling station and a grinding station are distributed on the base, each station is provided with an independent power tool, a rotating disc is arranged on the upper surface of the base, a lifting air cylinder is arranged on the rotating disc, and a supporting plate is fixedly connected to the upper end of the lifting air cylinder. According to the multi-station precision machining device for the slewing bearing, multiple types of machining operations are allowed to be continuously carried out through the multi-station design, the number of times of workpiece loading and unloading is reduced, the production efficiency is remarkably improved, the clamping structure can support the inner wall, the outer wall and the end face of the slewing bearing without dead corners, and the machining efficiency is improved. And the electric push rod drives the movable clamping block to change the contact position with the slewing bearing so as to adapt to workpieces with different sizes and shapes, so that the applicability of the equipment is improved, and the stability of the whole system is enhanced.
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Description

Technical Field

[0001] This utility model relates to the field of slewing bearing technology, and more specifically, to a precision machining device for multi-station slewing bearings. Background Technology

[0002] Traditional slewing bearing machining typically involves multiple separate processes, each requiring manual or semi-automatic adjustments and operations. This is not only time-consuming but also prone to insufficient machining accuracy. Furthermore, different machining requirements (such as turning, drilling, and grinding) often necessitate different machines, increasing production complexity and cost. As manufacturing demands for product precision and production efficiency continue to rise, developing automated equipment integrating multiple machining functions has become essential. This multi-station slewing bearing precision machining device is designed to meet this need, aiming to provide an efficient, precise, and flexible solution to adapt to the demands of modern manufacturing. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and to provide a multi-station slewing bearing precision machining device to solve the above-mentioned shortcomings.

[0004] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0005] The multi-station slewing bearing precision machining device of this utility model includes a base, on which turning stations, drilling stations and grinding stations are distributed. Each station is equipped with an independent power tool. A turntable is set on the upper surface of the base, and a lifting cylinder is set on the turntable. A support plate is fixedly connected to the upper end of the lifting cylinder, and a clamping assembly is fixedly connected to the upper end of the support plate. The slewing bearing is fixed by the clamping assembly, and the support plate is moved vertically by the lifting cylinder to control the clamping tightness of the clamping assembly.

[0006] Preferably, the clamping assembly includes a drive motor, a rotating block, a pull rod, and a clamping structure. The output end of the drive motor is fixedly connected to the rotating block, driving the rotating block to rotate. The rotating block is hinged to one end of the pull rod, and the other end of the pull rod is movably connected to the clamping structure. When the rotating block rotates, it causes the pull rod to tilt at an angle, thereby controlling the clamping structure to clamp and fix the slewing bearing simultaneously.

[0007] Preferably, the clamping structure includes a shaped frame, an electric push rod, and a movable clamping block. A first slide groove and a second slide groove are arranged parallel to each other on one side of the shaped frame. A movable clamping block is arranged between the first slide groove and the second slide groove. The electric push rod is movably connected to the shaped frame.

[0008] Preferably, the movable clamping block is provided with a first slider on the side near the first slide groove, and a second slider on the side near the second slide groove. The movable clamping block is movably connected to the first slide groove and the second slide groove respectively through the first slider and the second slider. The first slider is movably connected to one end of the electric push rod. The first slider and the second slider are staggered. The first slide groove and the second slide groove are both L-shaped slide grooves.

[0009] Preferably, the irregular frame is provided with a support frame connected to the electric push rod, and the support frame is provided with a rotating shaft. The rotating shaft is movably connected to one end of the electric push rod, and the electric push rod can rotate around the rotating shaft when it extends or retracts.

[0010] Preferably, the rotating shaft has a limiting hole, and the edge of the support plate is provided with limiting rods at equal intervals. The limiting rods are sleeved with the limiting holes, and the limiting rods support the lower end of the clamping structure. At the same time, when the pull rod is working, it ensures that the clamping structure moves along the direction of the limiting rods.

[0011] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0012] This utility model's multi-station slewing bearing precision machining device features a multi-station design that allows for continuous processing of various types of operations, reducing the number of workpiece loading and unloading operations and significantly improving production efficiency. The clamping structure can support the inner and outer walls and end faces of the slewing bearing without any blind spots. The electric push rod drives the moving clamping block to change its contact position with the slewing bearing, adapting to workpieces of different sizes and shapes, thus increasing the applicability of the equipment. The design of the limiting rod and limiting hole ensures that the clamping structure moves smoothly along the predetermined direction during operation, enhancing the stability of the entire system. Attached Figure Description

[0013] Figure 1 This is an overall structural diagram of the multi-station rotary bearing precision machining device of this utility model;

[0014] Figure 2 This is a structural diagram showing the connection between the turntable and the clamping assembly of this utility model;

[0015] Figure 3 For the present utility model Figure 2 Partial exploded view;

[0016] Figure 4 This is a structural diagram of the clamping assembly of this utility model;

[0017] Figure 5 This is a structural diagram of the movable clamping block of this utility model.

[0018] In the diagram: 1. Base; 11. Turning station; 12. Drilling station; 13. Grinding station; 2. Turntable; 21. Lifting cylinder; 22. Support plate; 221. Limiting rod; 3. Clamping assembly; 31. Drive motor; 32. Rotating block; 33. Tie rod; 34. Clamping structure; 341. Irregular frame; 3411. First slide groove; 3412. Second slide groove; 3413. Support frame; 3414. Rotating shaft; 34141. Limiting hole; 342. Electric push rod; 343. Moving clamping block; 3431. First slider; 3432. Second slider. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0021] Combination Figures 1-5 The multi-station slewing bearing precision machining device of this utility model includes a base 1, on which are distributed the following stations, including but not limited to: turning station 11, drilling station 12 and grinding station 13. Each station is equipped with an independent power tool. The turning station 11 can rough turn or finish turn the end face, outer circle, inner hole and raceway of the slewing bearing. The drilling station 12 processes bolt mounting holes, lubrication holes, etc. The grinding station 13 performs precision grinding on key parts such as raceways and gear rings. A turntable 2 is provided on the upper surface of the base 1. A lifting cylinder 21 is provided on the turntable 2. A support plate 22 is fixedly connected to the upper end of the lifting cylinder 21. A clamping assembly 3 is fixedly connected to the upper end of the support plate 22. The slewing bearing is fixed by the clamping assembly 3, and the support plate 22 is moved vertically by the lifting cylinder 21 to control the clamping tightness of the clamping assembly 3.

[0022] The clamping assembly 3 includes a drive motor 31, a rotating block 32, a pull rod 33, and a clamping structure 34. The output end of the drive motor 31 is fixedly connected to the rotating block 32, driving the rotating block 32 to rotate. The rotating block 32 is hinged to one end of the pull rod 33, and the other end of the pull rod 33 is movably connected to the clamping structure 34. When the rotating block 32 rotates, it causes the pull rod 33 to tilt at an angle, thereby controlling the clamping structure 34 to clamp and fix the slewing bearing at the same time.

[0023] Specifically, the clamping structure 34 includes a shaped frame 341, an electric push rod 342, and a movable clamping block 343. A first slide groove 3411 and a second slide groove 3412 are arranged parallel to each other on one side of the shaped frame 341. A movable clamping block 343 is arranged between the first slide groove 3411 and the second slide groove 3412. A first slider 3431 is arranged on the side of the movable clamping block 343 closest to the first slide groove 3411, and a second slider 3432 is arranged on the side of the movable clamping block 343 closest to the second slide groove 3412. The movable clamping block 343 is movably connected to the first slide groove 3411 and the second slide groove 3412 via the first slider 3431 and the second slider 3432, respectively. One end of the first slider 3431 is movably connected to the electric push rod 342, and the other end of the electric push rod 342 is movably connected to the shaped frame 341. Specifically, the electric push rod 342... During operation, the entire structure extends or shortens, pushing the first slider 3431 to move within the first slide groove 3411. The first slider 3431 and the second slider 3432 are staggered. When the second slider 3432 moves along the second slide groove 3412, it restricts the angle of the moving clamping block 343. Both the first slide groove 3411 and the second slide groove 3412 are L-shaped. When the first slider 3431 and the second slider 3432 move horizontally, the moving clamping block 343 moves horizontally to support the inner wall of the slewing bearing. When the first slider 3431 and the second slider 3432 move vertically, the moving clamping block 343 moves vertically downward to press against the upper end face of the slewing bearing. By changing the direction of the moving clamping block 343, the clamping position of the slewing bearing can be adjusted, thus providing support for the inner and outer walls and end face of the slewing bearing without any dead angles.

[0024] More specifically, the irregular frame 341 is provided with a support frame 3413 connected to the electric push rod 342. The support frame 3413 is provided with a rotating shaft 3414. The rotating shaft 3414 is movably connected to one end of the electric push rod 342. The electric push rod 342 can rotate around the rotating shaft 3414 when it extends and retracts. The rotating shaft 3414 is provided with a limit hole 34141. The edge of the support plate 22 is provided with limit rods 221 at equal intervals. The limit rods 221 are sleeved with the limit holes 34141. The limit rods 221 support the lower end of the clamping structure 34. At the same time, when the pull rod 33 is working, it ensures that the clamping structure 34 moves along the direction of the limit rods 221.

[0025] Working process: The slewing bearing to be processed is fixed on the clamping assembly 3. The drive motor 31 drives the rotating block 32 to rotate. The angle change of the tie rod 33 controls the clamping structure 34 to firmly clamp the slewing bearing. According to the processing position of the slewing bearing, the inner wall or the upper end face of the slewing bearing is selected for fixing. Then, the turntable 2 moves the slewing bearing to the turning station 11, drilling station 12 or grinding station 13 as needed. In each station, the independent power tool processes different parts of the slewing bearing, including rough and fine turning of the end face, outer circle, inner hole and raceway, drilling of bolt mounting holes and lubrication holes, and precision grinding of key parts such as raceway and gear ring.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A multi-station slewing bearing precision machining device, comprising a base (1), characterized in that: The base (1) is provided with turning stations (11), drilling stations (12) and grinding stations (13), the upper surface of the base (1) is provided with a turntable (2), the turntable (2) is provided with a lifting cylinder (21), the upper end of the lifting cylinder (21) is fixedly connected with a supporting plate (22), and the upper end of the supporting plate (22) is fixedly connected with a clamping assembly (3).

2. The multi-station slewing ring precision machining apparatus of claim 1, wherein: The clamping assembly (3) comprises a driving motor (31), a rotating block (32), a pull rod (33) and a clamping structure (34), the output end of the driving motor (31) is fixedly connected with the rotating block (32), the rotating block (32) is hingedly connected with one end of the pull rod (33), and the other end of the pull rod (33) is movably connected with the clamping structure (34).

3. The multi-station slewing ring precision machining apparatus of claim 2, wherein: The clamping structure (34) comprises a special-shaped frame (341), an electric push rod (342) and a moving clamping block (343), the first sliding groove (3411) and the second sliding groove (3412) are arranged in parallel on one side of the special-shaped frame (341), the moving clamping block (343) is arranged between the first sliding groove (3411) and the second sliding groove (3412), and the electric push rod (342) is movably connected with the special-shaped frame (341).

4. The multi-station slewing ring precision machining apparatus of claim 3, wherein: The moving clamping block (343) is provided with a first sliding block (3431) on one side close to the first sliding groove (3411), and is provided with a second sliding block (3432) on one side close to the second sliding groove (3412).

5. The multi-station slewing ring precision machining apparatus of claim 4, wherein: The special-shaped frame (341) is provided with a supporting frame (3413) connected with the electric push rod (342), the supporting frame (3413) is provided with a rotating shaft (3414), and one end of the electric push rod (342) is movably connected with the rotating shaft (3414).

6. The multi-station slewing ring precision machining apparatus of claim 5, wherein: The rotating shaft (3414) is provided with a limiting hole (34141), and the edge of the supporting plate (22) is provided with limiting rods (221) at equal distances, and the limiting rods (221) are sleeved with the limiting hole (34141).