Grinding tool for left shell of bevel gear differential mechanism
By designing a grinding mechanism including variable speed motor, placement plate, fixing frame and other components, the problem of poor stability of the differential housing in the prior art is solved, and stable limit and efficient grinding of the differential housing are achieved.
Patent Information
- Application Number
- CN202420671526.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-03
AI Technical Summary
In the prior art, the spring force is used to push the arc plate to limit the differential housing, but the spring is not limited, resulting in poor stability and easy expansion and contraction during vibration, resulting in unstable fixation of the differential housing, affecting the polishing effect.
A bevel gear differential left shell grinding tool is designed, and a grinding mechanism is adopted, including a variable speed motor, a placement plate, a fixing frame, a thread adjustment rod, a bearing, a lower pressing block, an anti-slip pad, an electric push rod, a mounting frame, a drive motor and a grinding roller. Through the coordinated work of these components, stable limit and grinding of the differential shell is achieved.
By setting up a grinding mechanism, the stability of the differential housing is improved, the sliding and deviation during the grinding process is reduced, the grinding effect is significantly improved, and the problem of poor stability is solved.
Smart Images

Figure CN222570225U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of differential processing, in particular to a bevel gear differential left housing grinding tool. Background Art
[0002] The differential is a mechanism that enables the left and right (or front and rear) driving wheels to rotate at different speeds. It is mainly composed of left and right axle gears, two planetary gears and a gear rack. Its function is to make the left and right wheels roll at different speeds when the car is turning or driving on uneven roads, that is, to ensure that the driving wheels on both sides perform pure rolling motion. The differential is installed to adjust the speed difference between the left and right wheels. At present, in the process of processing the left housing of the bevel gear differential, it is necessary to use a grinding tool to grind the left housing of the differential.
[0003] Please refer to announcement number CN217530323U for a grinding device for differential case processing, which includes a fixed seat, a limiting mechanism is arranged on the top of the fixed seat, and the limiting mechanism includes a cross plate, a fixed column, a fixed cylinder, a cross bar, a first spring, and an arc plate; a cross plate is rotatably connected to one side of the fixed seat, and a fixed column is fixedly arranged on the top of the cross plate, two groups of fixed cylinders are fixedly arranged on both sides of the fixed column, and a cross bar is slidably connected in the fixed cylinder, a first spring that is abutted against the end of the cross bar is fixedly arranged in the fixed cylinder, and an arc plate is fixedly connected to one end of multiple groups of cross bars away from the fixed cylinder, the two groups of arc plates are pulled close together, and the housing is sleeved between the two groups of arc plates, the first spring resets and pushes the two groups of arc plates against the inner wall of the housing, and then presses the housing downward to abut against the top of the fixed column, so that the housing can be fixed more conveniently for grinding.
[0004] However, in this patent, the elastic force of the spring is used to push the arc plate to limit the differential case, and the spring is not limited. The stability is relatively poor. When subjected to vibration, the spring will expand and contract, causing the differential case to be loosely fixed, affecting the grinding effect of the grinding tool on the differential case. Utility Model Content
[0005] In view of the shortcomings of the prior art, the utility model provides a bevel gear differential left housing grinding tool, which has the advantages of convenient adjustment and stability, and solves the problem of using the elastic force of the spring to push the arc plate to limit the differential housing. If the spring is not limited, the stability is relatively poor. When vibrated, the spring will expand and contract, causing the differential housing to be loosely fixed, affecting the grinding effect of the grinding tool on the differential housing.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bevel gear differential left housing grinding tool, comprising a workbench, the top of which is provided with a grinding mechanism;
[0007] The grinding mechanism comprises a variable speed motor fixedly connected to the workbench, the output end of the variable speed motor is fixedly connected to a placement plate located on the top of the workbench, the top of the workbench is fixedly connected to a fixing frame, the internal thread of the fixing frame is connected to a threaded adjustment rod, the bottom end of the threaded adjustment rod is fixedly connected to a fixing plate, the interior of the fixing plate is fixedly connected to a bearing, the interior of the bearing is fixedly connected to a lower pressing block located at the bottom of the fixing plate;
[0008] The grinding mechanism also includes an anti-slip pad fixedly connected to the lower pressure block, an electric push rod located on the left side of the placement plate is fixedly connected to the interior of the fixed frame, the output end of the electric push rod is fixedly connected to the mounting frame, the top of the mounting frame is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to a grinding roller rotatably connected to the mounting frame.
[0009] Furthermore, a mounting groove is provided inside the workbench, the variable speed motor is located inside the mounting groove, and a plurality of collecting holes are provided on the top of the placement plate.
[0010] Furthermore, a threaded hole is provided inside the fixing frame, and the threaded adjustment rod is threadedly connected to the fixing frame through the threaded hole.
[0011] Furthermore, a mounting hole is provided inside the fixing plate, and the bearing is fixedly connected to the fixing plate through the mounting hole.
[0012] Furthermore, a fixing hole is provided inside the fixing frame, and the electric push rod is fixedly connected to the fixing frame through the fixing hole.
[0013] Furthermore, a rotating hole is provided inside the mounting frame, and the grinding roller is rotatably connected to the mounting frame through the rotating hole.
[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0015] The bevel gear differential left housing grinding tool, by arranging a grinding mechanism, is convenient for limiting and grinding the bevel gear differential left housing, reduces sliding and deviation of the differential housing during the grinding process, improves the grinding effect of the grinding tool on the differential housing, and solves the problem of using the elastic force of the spring to push the arc plate to limit the differential housing, without limiting the spring, the stability is relatively poor, and when subjected to vibration, the spring will expand and contract, causing the differential housing to be loosely fixed, affecting the grinding effect of the grinding tool on the differential housing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a cross-sectional view of the structure of the utility model;
[0017] Figure 2 This is a three-dimensional diagram of the fixed plate structure of the utility model.
[0018] In the figure: 1. workbench; 2. variable speed motor; 3. placement plate; 301. collecting hole; 4. fixing frame; 5. threaded adjustment rod; 6. fixing plate; 7. bearing; 8. lower pressure block; 9. anti-slip pad; 10. electric push rod; 11. mounting frame; 12. drive motor; 13. grinding roller. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-2 A bevel gear differential left housing grinding tool in this embodiment includes a workbench 1, and a grinding mechanism is arranged on the top of the workbench 1.
[0021] The grinding mechanism includes a variable speed motor 2 fixedly connected to the workbench 1, and the output end of the variable speed motor 2 is fixedly connected to a placement plate 3 located on the top of the workbench 1. A mounting groove is opened inside the workbench 1, and the variable speed motor 2 is located inside the mounting groove. A number of collecting holes 301 are opened on the top of the placement plate 3. The placement plate 3 is hollow, and a drain valve connected to the placement plate 3 is arranged on the right side of the placement plate 3. The user places the left housing of the bevel gear differential to be ground on the top of the placement plate 3. The debris generated by grinding the left housing of the differential falls into the inside of the placement plate 3 due to gravity, which is convenient for collecting and cleaning the debris.
[0022] Among them, the top of the workbench 1 is fixedly connected with a fixing frame 4, the internal thread of the fixing frame 4 is connected with a threaded adjusting rod 5, the bottom end of the threaded adjusting rod 5 is fixedly connected with a fixing plate 6, the inside of the fixing plate 6 is fixedly connected with a bearing 7, the inside of the bearing 7 is fixedly connected with a pressing block 8 located at the bottom of the fixing plate 6, and a mounting hole is opened inside the fixing plate 6. The bearing 7 is fixedly connected to the fixing plate 6 through the mounting hole, which is convenient for the installation of the bearing 7. The bearing 7 reduces the loss of driving force and facilitates the rotation of the pressing block 8, which is beneficial to the adjustment of the grinding position of the left case of the differential and improves the grinding efficiency.
[0023] Among them, the grinding mechanism also includes an anti-skid pad 9 fixedly connected to the lower pressure block 8, a threaded hole is opened inside the fixing frame 4, and the threaded adjustment rod 5 is threadedly connected to the fixing frame 4 through the threaded hole. The user twists the threaded adjustment rod 5 to drive the fixing plate 6, the lower pressure block 8 and the anti-skid pad 9 to move downward, so that the anti-skid pad 9 is tightly fitted with the left differential housing, and the left differential housing is limited and fixed. The interior of the fixing frame 4 is fixedly connected to an electric push rod 10 located on the left side of the placement plate 3, and the output end of the electric push rod 10 is fixedly connected to a mounting frame 11, and the top of the mounting frame 11 is fixedly connected to a drive motor 12.
[0024] Among them, the output end of the driving motor 12 is fixedly connected with a grinding roller 13 which is rotatably connected to the mounting frame 11. A fixing hole is opened inside the fixing frame 4. The electric push rod 10 is fixedly connected to the fixing frame 4 through the fixing hole, which is convenient for the installation and fixation of the electric push rod 10. The electric push rod 10 is energized and extended to push the mounting frame 11, the driving motor 12 and the grinding roller 13 to move, so that the grinding roller 13 fits with the left housing of the differential, which is convenient for grinding the left housing of the differential of different sizes. A rotating hole is opened inside the mounting frame 11, and the grinding roller 13 is rotatably connected to the mounting frame 11 through the rotating hole, which is convenient for the installation and rotation of the grinding roller 13. The driving motor 12 is energized to drive the grinding roller 13 to rotate, so that the grinding roller 13 grinds the left housing of the differential.
[0025] The beneficial effects of the above embodiments are:
[0026] The bevel gear differential left housing grinding tool, by arranging a grinding mechanism, is convenient for limiting and grinding the bevel gear differential left housing, reduces sliding and deviation of the differential housing during the grinding process, improves the grinding effect of the grinding tool on the differential housing, and solves the problem of using the elastic force of the spring to push the arc plate to limit the differential housing, without limiting the spring, the stability is relatively poor, and when subjected to vibration, the spring will expand and contract, causing the differential housing to be loosely fixed, affecting the grinding effect of the grinding tool on the differential housing.
[0027] The working principle of the above embodiment is:
[0028] The bevel gear differential left housing grinding tool, when grinding the bevel gear differential left housing, the user places the bevel gear differential left housing to be ground on the top of the placement plate 3, the user twists the threaded adjustment rod 5 to drive the fixing plate 6, the lower pressing block 8 and the anti-skid pad 9 to move downward, so that the anti-skid pad 9 is tightly fitted with the differential left housing, and the left differential housing is limited and fixed, then, the electric push rod 10 is energized and extended, and the mounting frame 11, the driving motor 12 and the grinding roller 13 are pushed to move, so that the grinding roller 13 is fitted with the differential left housing, the driving motor 12 is energized, and the grinding roller 13 is driven to rotate, so that the grinding roller 13 grinds the differential left housing, thereby achieving the purpose of limiting and grinding the bevel gear differential left housing, reducing the sliding deviation of the differential housing during the grinding process, and improving the grinding effect of the bevel gear differential left housing grinding tool.
[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bevel gear differential left housing grinding tool, comprising a workbench (1), characterized in that: A grinding mechanism is provided on the top of the workbench (1); The grinding mechanism comprises a variable speed motor (2) fixedly connected to a workbench (1); the output end of the variable speed motor (2) is fixedly connected to a placement plate (3) located on the top of the workbench (1); the top of the workbench (1) is fixedly connected to a fixing frame (4); the internal thread of the fixing frame (4) is connected to a threaded adjustment rod (5); the bottom end of the threaded adjustment rod (5) is fixedly connected to a fixing plate (6); the interior of the fixing plate (6) is fixedly connected to a bearing (7); the interior of the bearing (7) is fixedly connected to a lower pressing block (8) located at the bottom of the fixing plate (6); The grinding mechanism also includes an anti-slip pad (9) fixedly connected to the lower pressing block (8); an electric push rod (10) located on the left side of the placement plate (3) is fixedly connected inside the fixed frame (4); an output end of the electric push rod (10) is fixedly connected to a mounting frame (11); a driving motor (12) is fixedly connected to the top of the mounting frame (11); and a grinding roller (13) rotatably connected to the mounting frame (11) is fixedly connected to the output end of the driving motor (12).
2. A bevel gear differential left housing grinding tool according to claim 1, characterized in that: The workbench (1) is provided with a mounting groove inside, the variable speed motor (2) is located inside the mounting groove, and a plurality of collecting holes (301) are provided on the top of the placement plate (3).
3. The bevel gear differential left housing grinding tool according to claim 1, characterized in that: A threaded hole is provided inside the fixing frame (4), and the threaded adjustment rod (5) is threadedly connected to the fixing frame (4) through the threaded hole.
4. The bevel gear differential left housing grinding tool according to claim 1, characterized in that: A mounting hole is provided inside the fixing plate (6), and the bearing (7) is fixedly connected to the fixing plate (6) through the mounting hole.
5. The bevel gear differential left housing grinding tool according to claim 1, characterized in that: A fixing hole is provided inside the fixing frame (4), and the electric push rod (10) is fixedly connected to the fixing frame (4) through the fixing hole.
6. The bevel gear differential left housing grinding tool according to claim 1, characterized in that: A rotating hole is provided inside the mounting frame (11), and the grinding roller (13) is rotatably connected to the mounting frame (11) via the rotating hole.
Citation Information
Patent Citations
Polishing device for differential shell machining
CN217530323U