Special drill jig for drilling holes in automobile differential shell

Abstract

The utility model relates to the technical field of automobile differential machining, and discloses a special drill jig for drilling an automobile differential shell, which comprises a base, drilling equipment is fixedly assembled at the top of the base, a U-shaped frame is fixedly assembled at the top of the base, a motor is fixedly assembled at the top of the inner wall of the U-shaped frame, and the motor is fixedly assembled at the top of the inner wall of the U-shaped frame. An output shaft of the motor is fixedly sleeved with a driving gear, a fixing rod is fixedly assembled on the top of the base, and the outer edge, close to the bottom, of the fixing rod is rotationally sleeved with a gear ring. Through cooperative use of a motor and a driving gear, the motor is used for driving the driving gear to rotate, so that the driving gear is used for driving a gear ring to rotate, the gear ring is used for driving a threaded cylinder to rotate, the threaded cylinder is used for driving a sleeve to adjust the height, the sleeve is used for driving a positioning plate to descend, and then a placing frame is rotated to a proper angle; therefore, the motor drives the driving gear to rotate reversely, and the top of the auxiliary positioning plate and the bottom of the placing frame are in butt joint and limited.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile differential processing, in particular to a special drilling machine fixture for drilling automobile differential housings. Background Art

[0002] A car differential enables the left and right drive wheels to rotate at different speeds. It primarily consists of left and right axle gears, two planetary gears, and a gear carrier. To facilitate stable machining of the differential housing, a specialized drilling fixture for the housing is required.

[0003] During use of a traditional drilling fixture for drilling holes in automobile differential housings, the automobile differential housing is mostly placed inside the drilling fixture for drilling holes in the housings, and then the fixture is used to assist in limiting the automobile differential housing. However, during use of the traditional drilling fixture for drilling holes in automobile differential housings, only some positioning holes are evenly opened on the bottom of the drilling machine, which makes it difficult to ensure drilling at different positions of the automobile differential when adjusting the drilling machine angle, thereby affecting the stable use of the device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention provides a special drilling machine fixture for drilling holes in automobile differential housings, so as to solve the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a special drilling machine fixture for drilling holes in automobile differential housings, comprising a base, a drilling device fixedly assembled on the top of the base, a U-shaped frame fixedly assembled on the top of the base, a motor fixedly assembled on the top of the inner wall of the U-shaped frame, an output shaft of the motor fixedly sleeved with a driving gear, a fixing rod fixedly assembled on the top of the base, a gear ring rotatably sleeved on the outer edge of the fixing rod close to the bottom, and the convex teeth on the outer edge of the gear ring mesh with the convex teeth on the outer edge of the driving gear, a placement frame rotatably connected to the top of the fixing rod, a pressure plate provided on the top of the placement frame, the inner wall of the pressure plate slidably sleeved on a limiting rod, a support tube fixedly assembled on the top of the base, and a support rod slidably sleeved on the inner wall of the support tube.

[0006] As an optimal technical solution of the present invention, the top of the gear ring is fixedly equipped with a threaded barrel, and the inner wall of the threaded barrel is rotatably sleeved with the outer edge of the fixed rod. The outer edge of the threaded barrel is threadedly connected with a sleeve, and the top of the sleeve is fixedly equipped with a positioning plate, and the convex teeth on the top of the positioning plate are engaged with the convex teeth on the bottom of the placement frame, and the bottom of the positioning plate is fixedly assembled with the bottom of the support rod.

[0007] As an optimal technical solution of the present invention, the outer edge of the placement frame is fixedly equipped with a base plate, the top of the base plate is fixedly equipped with a cylinder, the bottom of the inner wall of the cylinder is fixedly connected to a spring 1, and the top of the spring 1 is fixedly connected to the bottom of the limiting rod.

[0008] As a preferred technical solution of the present invention, a sliding groove is provided on the outer edge of the cylinder, an adjusting rod is slidably sleeved on the inner wall of the sliding groove, and the side surface of the adjusting rod is fixedly assembled with the outer edge of the limiting rod.

[0009] As an optimal technical solution of the present invention, the side of the drilling equipment is fixedly equipped with an auxiliary rod, the bottom of the auxiliary rod is fixedly equipped with an auxiliary cylinder, the top of the auxiliary cylinder is fixedly connected to spring 2, the bottom of spring 2 is fixedly connected to a circular plate, the bottom of the circular plate is rotatably connected to a connecting rod, and the bottom of the connecting rod is rotatably connected to the top of the pressure plate.

[0010] As a preferred technical solution of the present invention, a control panel is fixedly mounted on the side of the base, and the control panel is electrically connected to the motor.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. This special drilling machine fixture for drilling holes in automobile differential housings uses a motor and a drive gear in conjunction with each other. The motor drives the drive gear to rotate, thereby driving the gear ring to rotate, and the gear ring drives the threaded barrel to rotate, thereby driving the sleeve to adjust the height, and the sleeve drives the positioning plate to descend, and then rotates the placement frame to an appropriate angle, thereby driving the drive gear to rotate in the opposite direction using the motor, and the top of the auxiliary positioning plate and the bottom of the placement frame are docked and limited.

[0013] 2. The special drilling machine fixture for drilling holes in automobile differential housings uses a pressure plate and a limit rod in conjunction with each other. The adjusting rod is used to drive the limit rod downward in the inner wall of the slide groove until the outer edge of the limit rod is away from the inner wall of the pressure plate. The pressure plate is then rotated to assist the automobile differential housing to be stably placed in the inner wall of the placement frame. The pressure plate is then rotated to use the first spring to push the limit rod upward, thereby using the limit rod to assist the pressure plate in limiting its position. The second spring is then used to push the pressure plate downward, and the pressure plate is used to assist the automobile differential housing in being stably limited in the inner wall of the placement frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-section structure of the utility model;

[0016] Figure 3For this utility model Figure 2 A in the middle is an enlarged structural diagram;

[0017] Figure 4 This is a schematic diagram of the front cross-section structure of the limit rod of the utility model;

[0018] Figure 5 This is a schematic diagram of the partially disassembled structure of the utility model.

[0019] In the figure: 1. Base; 2. Drilling equipment; 3. U-shaped frame; 4. Motor; 5. Drive gear; 6. Gear ring; 7. Support cylinder; 8. Threaded cylinder; 9. Sleeve; 10. Positioning plate; 11. Fixing rod; 12. Placement frame; 13. Auxiliary rod; 14. Spring 2; 15. Auxiliary cylinder; 16. Round plate; 17. Connecting rod; 18. Pressing plate; 19. Bottom plate; 20. Spring 1; 21. Cylinder; 22. Limiting rod; 23. Adjusting rod; 24. Slide; 25. Control panel; 26. Support rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 5 A special drilling machine fixture for drilling holes in automobile differential housings includes a base 1, a drilling device 2 is fixedly assembled on the top of the base 1, a U-shaped frame 3 is fixedly assembled on the top of the base 1, a motor 4 is fixedly assembled on the top of the inner wall of the U-shaped frame 3, and the output shaft of the motor 4 is fixedly sleeved with a drive gear 5. A fixed rod 11 is fixedly assembled on the top of the base 1, and a gear ring 6 is rotatably sleeved on the outer edge of the fixed rod 11 near the bottom, and the convex teeth on the outer edge of the gear ring 6 are meshed with the convex teeth on the outer edge of the drive gear 5. The top of the fixed rod 11 is rotatably connected There is a placement frame 12, and a pressure plate 18 is provided on the top of the placement frame 12. The inner wall of the pressure plate 18 is slidably sleeved with a limit rod 22. The top of the base 1 is fixedly equipped with a support tube 7, and the inner wall of the support tube 7 is slidably sleeved with a support rod 26. Through the cooperation of the motor 4 and the drive gear 5, the motor 4 is used to drive the drive gear 5 to rotate, and the drive gear 5 is used to drive the gear ring 6 to rotate. By adding the pressure plate 18, the bottom of the pressure plate 18 is used to assist the automobile differential housing to be stably limited in the inner wall of the placement frame 12.

[0022] In a preferred embodiment, the top of the gear ring 6 is fixedly equipped with a threaded barrel 8, and the inner wall of the threaded barrel 8 is rotatably sleeved with the outer edge of the fixed rod 11, the outer edge of the threaded barrel 8 is threadedly connected with a sleeve 9, and the top of the sleeve 9 is fixedly equipped with a positioning plate 10, and the convex teeth on the top of the positioning plate 10 are engaged with the convex teeth on the bottom of the placement frame 12, and the bottom of the positioning plate 10 is fixedly assembled with the bottom of the support rod 26. By cooperating with the threaded barrel 8 and the gear ring 6, the driving gear 5 is used to drive the gear ring 6 to rotate, thereby using the gear ring 6 to drive the threaded barrel 8 to rotate, and the threaded barrel 8 is used to rotate in the inner wall of the sleeve 9, and the positioning plate 10 is driven by the sleeve 9 to adjust the height.

[0023] In a preferred embodiment, the outer edge of the placement frame 12 is fixedly equipped with a base plate 19, the top of the base plate 19 is fixedly equipped with a cylinder 21, the bottom of the inner wall of the cylinder 21 is fixedly connected with a spring 20, and the top of the spring 20 is fixedly connected to the bottom of the limiting rod 22. By cooperating with the cylinder 21 and the spring 20, the spring 20 is used to push the limiting rod 22 upward in the inner wall of the cylinder 21, and then the limiting rod 22 is used to assist the pressure plate 18 in stabilizing the limit.

[0024] In a preferred embodiment, a slide groove 24 is provided on the outer edge of the cylinder 21, and an adjusting rod 23 is slidably sleeved on the inner wall of the slide groove 24, and the side surface of the adjusting rod 23 is fixedly assembled with the outer edge of the limit rod 22. Through the cooperation of the slide groove 24 and the adjusting rod 23, the adjusting rod 23 slides in the inner wall of the slide groove 24, thereby using the adjusting rod 23 to drive the limit rod 22 to adjust the height.

[0025] In a preferred embodiment, the side of the drilling equipment 2 is fixedly equipped with an auxiliary rod 13, the bottom of the auxiliary rod 13 is fixedly equipped with an auxiliary cylinder 15, the top of the auxiliary cylinder 15 is fixedly connected to a spring 2 14, the bottom of the spring 2 14 is fixedly connected to a circular plate 16, the bottom of the circular plate 16 is rotatably connected to a connecting rod 17, and the bottom of the connecting rod 17 is rotatably connected to the top of the pressure plate 18. Through the coordinated use of the auxiliary rod 13 and the auxiliary cylinder 15, the spring 2 14 is used to push the circular plate 16 downward in the inner wall of the auxiliary cylinder 15, and then the circular plate 16 is used to drive the connecting rod 17 downward, and the connecting rod 17 is used to drive the pressure plate 18 to assist the automobile differential housing to be stably limited in the inner wall of the placement frame 12.

[0026] In a preferred embodiment, a control panel 25 is fixedly mounted on the side of the base 1 , and the control panel 25 is electrically connected to the motor 4 . By adding the control panel 25 , the control panel 25 is used to assist in the stable operation of the internal components of the control device.

[0027] Working principle: when the device is used, the motor 4 is used to drive the driving gear 5 to rotate, thereby using the driving gear 5 to drive the gear ring 6 to rotate, and using the gear ring 6 to drive the threaded cylinder 8 to rotate, thereby using the threaded cylinder 8 to drive the sleeve 9 to adjust the height, and using the sleeve 9 to drive the positioning plate 10 to descend, and then rotate the placement frame 12 to a suitable angle, thereby using the motor 4 to drive the driving gear 5 to rotate in the opposite direction, and the top of the auxiliary positioning plate 10 is docked with the bottom of the placement frame 12 to limit the position, and the adjusting rod 23 is used to adjust the height of the positioning plate 10. The inner wall of the slide groove 24 drives the limit rod 22 to move downward until the outer edge of the limit rod 22 is away from the inner wall of the pressure plate 18, and then the pressure plate 18 is rotated to assist the automobile differential housing to be stably placed in the inner wall of the placement frame 12, and then the pressure plate 18 is rotated, so as to use the spring 1 20 to push the limit rod 22 to move upward, thereby using the limit rod 22 to assist the pressure plate 18 to limit, and then use the spring 2 14 to push the pressure plate 18 downward, and use the pressure plate 18 to assist the automobile differential housing to be stably limited in the inner wall of the placement frame 12.

[0028] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special drilling machine fixture for drilling holes in automobile differential housings, comprising a base (1), characterized in that: The top of the base (1) is fixedly equipped with a drilling device (2), the top of the base (1) is fixedly equipped with a U-shaped frame (3), the top of the inner wall of the U-shaped frame (3) is fixedly equipped with a motor (4), the output shaft of the motor (4) is fixedly sleeved with a driving gear (5), the top of the base (1) is fixedly equipped with a fixing rod (11), the outer edge of the fixing rod (11) near the bottom is rotatably sleeved with a gear ring (6), and the convex teeth on the outer edge of the gear ring (6) are meshed with the convex teeth on the outer edge of the driving gear (5), the top of the fixing rod (11) is rotatably connected with a placement frame (12), the top of the placement frame (12) is provided with a pressure plate (18), the inner wall of the pressure plate (18) is slidably sleeved with a limiting rod (22), the top of the base (1) is fixedly equipped with a support tube (7), and the inner wall of the support tube (7) is slidably sleeved with a support rod (26).

2. The special drilling fixture for drilling holes in automobile differential housing according to claim 1, characterized in that: The top of the gear ring (6) is fixedly assembled with a threaded barrel (8), and the inner wall of the threaded barrel (8) is rotatably sleeved with the outer edge of the fixed rod (11). The outer edge of the threaded barrel (8) is threadedly connected with a sleeve (9). The top of the sleeve (9) is fixedly assembled with a positioning plate (10), and the convex teeth on the top of the positioning plate (10) are engaged with the convex teeth on the bottom of the placement frame (12). The bottom of the positioning plate (10) is fixedly assembled with the bottom of the support rod (26).

3. The special drilling fixture for drilling holes in automobile differential housing according to claim 1, characterized in that: The outer edge of the placement frame (12) is fixedly equipped with a bottom plate (19), the top of the bottom plate (19) is fixedly equipped with a cylinder (21), the bottom of the inner wall of the cylinder (21) is fixedly connected with a spring 1 (20), and the top of the spring 1 (20) is fixedly connected to the bottom of the limiting rod (22).

4. The special drilling fixture for drilling holes in automobile differential housings according to claim 3, characterized in that: The outer edge of the cylinder (21) is provided with a sliding groove (24), the inner wall of the sliding groove (24) is slidably sleeved with an adjusting rod (23), and the side surface of the adjusting rod (23) is fixedly assembled with the outer edge of the limiting rod (22).

5. The special drilling fixture for drilling holes in automobile differential housing according to claim 1, characterized in that: The side of the drilling device (2) is fixedly equipped with an auxiliary rod (13), the bottom of the auxiliary rod (13) is fixedly equipped with an auxiliary cylinder (15), the top of the auxiliary cylinder (15) is fixedly connected to a spring 2 (14), the bottom of the spring 2 (14) is fixedly connected to a circular plate (16), the bottom of the circular plate (16) is rotatably connected to a connecting rod (17), and the bottom of the connecting rod (17) is rotatably connected to the top of the pressure plate (18).

6. The special drilling fixture for drilling holes in automobile differential housing according to claim 1, characterized in that: A control panel (25) is fixedly mounted on the side of the base (1), and the control panel (25) is electrically connected to the motor (4).

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