Boring tool for bearing seat
By designing the fixing and collecting components of the bearing housing boring fixture, the problem of unstable bearing housing fixation was solved, enabling high-precision boring and convenient bearing housing removal and cleaning.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING YIAN AUTO PARTS CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-14
AI Technical Summary
In existing technologies, the fixing effect of bearing housings is poor, and they are prone to displacement, which affects machining accuracy.
A bearing housing boring fixture was designed, comprising a worktable, a fixing component, and a collecting component. The fixing component consists of a fixing rail, a sliding block, a pressure plate, a fixing plate, a lead screw, and a limiting block. The bearing housing is fixed and removed by rotating the lead screw. The collecting component is used to collect debris for easy cleaning.
This improves the positioning accuracy and fixing effect of the bearing housing, ensures the accuracy of the boring process, and facilitates the removal and cleaning of the bearing housing.
Smart Images

Figure CN224488401U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machining technology, and in particular to a tooling for boring bearing seats. Background Technology
[0002] Bearing housings are important supporting components in mechanical equipment, and the machining accuracy of the holes on them directly affects the installation accuracy of the bearings and the operating performance of the equipment.
[0003] In the prior art, patent document with publication number (CN215432564U) mentions a bearing housing boring fixture, including a base plate, a pad plate on the base plate, a top plate on the pad plate, a positioning component on the top plate, a pressure plate component surrounding the positioning component, the pressure plate component being mounted on the top plate, and an alignment component at the bottom of the positioning component, mounted on the base plate, the alignment component corresponding to the positioning component. This prior art is used to position the bearing housing, preventing the bearing housing from moving during the boring process and causing inaccurate boring.
[0004] However, the existing technology described above has a poor effect on fixing the bearing housing, and the bearing housing is prone to displacement, which affects the machining accuracy. Utility Model Content
[0005] The purpose of this utility model is to provide a bearing housing boring tool, which solves the problems of poor fixing effect of the bearing housing in the existing technology, easy displacement of the bearing housing, and affecting the machining accuracy.
[0006] To achieve the above objectives, this utility model provides a bearing seat boring fixture, including a worktable and three fixing components. The surface of the worktable is provided with a circular hole. The three fixing components are evenly arranged on the surface of the worktable. Each fixing component includes a fixed rail, a sliding block, a pressure plate, a fixing plate, and a lead screw. The fixed rail is fixedly connected to the worktable and located outside the circular hole. The fixing plate is fixedly connected to the fixed rail and located above the fixed rail. The cross-section of the fixing plate is L-shaped. The lead screw is rotatably connected to the fixed rail and located inside the fixed rail, and the lead screw passes through the fixing plate. The sliding block is threadedly connected to the lead screw and located inside the sliding block. The pressure plate is fixedly connected to the sliding block and located on one side of the fixed rail.
[0007] The fixing component further includes two limiting blocks and a handle. The two limiting blocks are fixedly connected to the lead screw and are respectively disposed at both ends of the lead screw. The two limiting blocks are respectively disposed inside the fixed rail and the fixed plate. The handle is fixedly connected to the lead screw and is located above the lead screw.
[0008] The bearing housing boring fixture further includes a base plate and a collection assembly. The base plate is fixedly connected to the worktable and is located below the worktable. The collection assembly is disposed between the base plate and the worktable.
[0009] The collecting assembly includes two sliding blocks, a base plate, and a housing. The sliding blocks are fixedly connected to the base plate and are respectively disposed on both sides of the base plate. The housing is slidably connected to the two sliding blocks and is located between the two sliding blocks. The base plate is fixedly connected to the housing and is located above the housing.
[0010] The collecting assembly further includes a limiting plate, a threaded rod, and a nut. The limiting plate is fixedly connected to the box body and located below the box body. One end of the threaded rod is fixedly connected to the bottom plate, and the other end of the threaded rod passes through the limiting plate. The nut is fixedly connected to the threaded rod and located on one side of the limiting plate.
[0011] This utility model discloses a bearing housing boring fixture. A fixed rail is fixedly connected to a worktable and located outside the circular hole. A fixed plate is fixedly connected to the fixed rail and located above it. The fixed plate has an L-shaped cross-section. A lead screw is rotatably connected to the fixed rail and located inside it, passing through the fixed plate. A sliding block is threadedly connected to the lead screw and located inside it. A pressure plate is fixedly connected to the sliding block and located on one side of the fixed rail. The bearing housing is placed on the surface of the worktable, with the fixed rail in contact with it. Rotating the lead screw causes the sliding block to move accordingly, pressing the pressure plate against the surface of the bearing housing. To remove the bearing housing, rotating the lead screw causes the pressure plate to move. When the sliding block moves below the fixed plate, the sliding block rotates accordingly, moving the pressure plate to one side of the fixed rail for easy removal of the bearing housing. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the bearing housing boring tool of this utility model.
[0014] Figure 2 This is the utility model Figure 1Enlarged view of a portion of point A in the middle.
[0015] Figure 3 This is a front view of the bearing housing boring tool of this utility model.
[0016] Figure 4 This is the utility model Figure 3 A cross-sectional view of the BB line.
[0017] 1-Workbench, 2-Base plate, 3-Fixed rail, 4-Sliding block, 5-Pressure plate, 6-Fixed plate, 7-Screw rod, 8-Limiting block, 9-Handle, 10-Sliding block, 11-Base plate, 12-Box, 13-Limiting plate, 14-Threaded rod, 15-Nut, 16-Round block. Detailed Implementation
[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0019] Please see Figures 1-4 ,in, Figure 1 This is a schematic diagram of the bearing housing boring tool of this utility model. Figure 2 This is the utility model Figure 1 Enlarged view of a portion of point A in the middle. Figure 3 This is a front view of the bearing housing boring tool of this utility model. Figure 4 This is the utility model Figure 3 A cross-sectional view of the BB line.
[0020] This utility model provides a bearing housing boring fixture, including a worktable 1, three fixing components, a base plate 2, and a collecting component. Each fixing component includes a fixing rail 3, a sliding block 4, a pressure plate 5, a fixing plate 6, a lead screw 7, two limiting blocks 8, and a handle 9. The collecting component includes two sliding blocks 10, a base plate 11, a housing 12, a limiting plate 13, a threaded rod 14, and a nut 15. The aforementioned solution solves the problem in the prior art that the fixing effect of the bearing housing is poor, the bearing housing is prone to displacement, and the machining accuracy is affected.
[0021] In this specific embodiment, the surface of the workbench 1 is provided with a circular hole. Three fixing components are evenly arranged on the surface of the workbench 1. The fixing rail 3 is fixedly connected to the workbench 1 and located outside the circular hole. The fixing plate 6 is fixedly connected to the fixing rail 3 and located above the fixing rail 3. The fixing plate 6 has an L-shaped cross-section. The lead screw 7 is rotatably connected to the fixing rail 3 and located inside the fixing rail 3, passing through the fixing plate 6. The sliding block 4 is threadedly connected to the lead screw 7 and located inside the sliding block 10. The pressure plate 5 is fixedly connected to the sliding block 4 and located on one side of the fixed rail 3. The bearing seat is placed on the surface of the worktable 1, and the fixed rail 3 contacts the bearing seat. When the lead screw 7 is rotated, the sliding block 4 moves accordingly under the constraint of the fixed rail 3, so that the pressure plate 5 presses on the surface of the bearing seat. When the bearing seat is removed, the lead screw 7 is rotated, and the lead screw 7 drives the pressure plate 5 to move. When the moving block moves to below the fixed plate 6, the sliding block 4 rotates accordingly, so that the pressure plate 5 moves to one side of the fixed rail 3, making it convenient to remove the bearing seat.
[0022] The fixing assembly further includes two limiting blocks 8 and a handle 9. The two limiting blocks 8 are fixedly connected to the lead screw 7 and are respectively disposed at both ends of the lead screw 7. The two limiting blocks 8 are respectively disposed inside the fixing rail 3 and the fixing plate 6. The handle 9 is fixedly connected to the lead screw 7 and is located above the lead screw 7. The limiting blocks 8 restrict the position of the lead screw 7, and the handle 9 facilitates the rotation of the lead screw 7.
[0023] Secondly, the base plate 2 is fixedly connected to the workbench 1 and is located below the workbench 1. The collection component is disposed between the base plate 2 and the workbench 1. The collection component is disposed to collect debris for easy cleaning.
[0024] Secondly, the sliding block 10 is fixedly connected to the base plate 2 and is respectively disposed on both sides of the base plate 2. The housing 12 is slidably connected to the two sliding blocks 10 and is located between the two sliding blocks 10. The base plate 11 is fixedly connected to the housing 12 and is located above the housing 12. The base facilitates the alignment of the bearing seat.
[0025] In addition, the limiting plate 13 is fixedly connected to the housing 12 and is located below the housing 12. One end of the threaded rod 14 is fixedly connected to the bottom plate 2, and the other end of the threaded rod 14 passes through the limiting plate 13. The nut 15 is fixedly connected to the threaded rod 14 and is located on one side of the limiting plate 13. During installation, the housing 12 is slid to fit the limiting plate 13 onto the surface of the threaded rod 14, and the limiting plate 13 is fixed by the nut 15.
[0026] When using this utility model, the bearing seat is placed on the surface of the workbench 1, the fixed rail 3 contacts the bearing seat, the lead screw 7 is rotated, and the sliding block 4 moves accordingly under the restriction of the fixed rail 3, so that the pressure plate 5 presses on the surface of the bearing seat. When the bearing seat is removed, the lead screw 7 is rotated, and the lead screw 7 drives the pressure plate 5 to move. When the moving block moves to the bottom of the fixed plate 6, the sliding block 4 rotates accordingly, so that the pressure plate 5 moves to one side of the fixed rail 3, making it convenient to remove the bearing seat. The housing 12 is slid, and the limiting plate 13 is sleeved on the surface of the threaded rod 14. The limiting plate 13 is fixed by the nut 15, which improves the positioning accuracy and fixing effect of the bearing seat.
[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A bearing housing boring fixture, comprising a worktable, wherein a circular hole is provided on the surface of the worktable, characterized in that, It also includes three fixing components, which are evenly arranged on the surface of the worktable; Each of the fixed components includes a fixed rail, a sliding block, a pressure plate, a fixing plate, and a lead screw. The fixed rail is fixedly connected to the worktable and located outside the circular hole. The fixing plate is fixedly connected to the fixed rail and located above the fixed rail. The cross-section of the fixing plate is L-shaped. The lead screw is rotatably connected to the fixed rail and located inside the fixed rail, and the lead screw passes through the fixing plate. The sliding block is threadedly connected to the lead screw and located inside the sliding block. The pressure plate is fixedly connected to the sliding block and located on one side of the fixed rail.
2. The bearing housing boring tool as described in claim 1, characterized in that, The fixing assembly also includes two limiting blocks and a handle. The two limiting blocks are fixedly connected to the lead screw and are respectively disposed at both ends of the lead screw. The two limiting blocks are respectively disposed inside the fixed rail and the fixed plate. The handle is fixedly connected to the lead screw and is located above the lead screw.
3. The bearing housing boring tool as described in claim 2, characterized in that, The bearing housing boring fixture also includes a base plate and a collection assembly. The base plate is fixedly connected to the worktable and is located below the worktable. The collection assembly is disposed between the base plate and the worktable.
4. The bearing housing boring tool as described in claim 3, characterized in that, The collecting assembly includes two sliding blocks, a base plate, and a housing. The sliding blocks are fixedly connected to the base plate and are respectively disposed on both sides of the base plate. The housing is slidably connected to the two sliding blocks and is located between the two sliding blocks. The base plate is fixedly connected to the housing and is located above the housing.
5. The bearing housing boring tool as described in claim 4, characterized in that, The collecting assembly also includes a limiting plate, a threaded rod, and a nut. The limiting plate is fixedly connected to the box body and located below the box body. One end of the threaded rod is fixedly connected to the bottom plate, and the other end of the threaded rod passes through the limiting plate. The nut is fixedly connected to the threaded rod and located on one side of the limiting plate.