CN110977299B - Shaft head positioning fixture for welding semi-floating rear axle - Google Patents
Shaft head positioning fixture for welding semi-floating rear axle Download PDFInfo
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- CN110977299B CN110977299B CN201911346185.0A CN201911346185A CN110977299B CN 110977299 B CN110977299 B CN 110977299B CN 201911346185 A CN201911346185 A CN 201911346185A CN 110977299 B CN110977299 B CN 110977299B
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- rotating shaft
- positioning
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- shaft
- clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a shaft head positioning clamp for welding a semi-floating rear axle, which comprises a rotating shaft, a positioning shaft pin and a pressure head, wherein the rotating shaft is arranged in a rotating shaft bracket, the upper end of the rotating shaft is connected with the positioning shaft pin through the positioning pin, the rotating shaft is also connected with an axial adjusting block through the positioning pin, the axial position of the rotating shaft is determined by the axial adjusting block, the two ends of the positioning shaft pin are respectively provided with the pressure head controlled by an air cylinder, a workpiece is positioned by the positioning shaft pin, and the workpiece is pressed by matching with the pressure head; a tapered roller bearing for driving the rotating shaft to rotate is arranged in the rotating shaft bracket; a rotating shaft locking block is arranged in the middle of the rotating shaft bracket, the rotating shaft penetrates through the rotating shaft bracket and the rotating shaft locking block, and a scale plate with a slotted hole is arranged at the bottom end of the rotating shaft; the clamp can be used by fixing the clamp on a working bottom plate at a corresponding position through the right-angle plate according to rear axles of different models, and is convenient to adjust, high in universality, low in cost and quick in reloading time.
Description
Technical Field
The invention relates to the technical field of automobile semi-floating rear axles, in particular to a shaft head positioning clamp for welding a semi-floating rear axle.
Background
The rear axle is all force transmission connection between the automobile body and the wheels of the automobile, but the rear axle has different varieties and sizes due to different connection sizes with the automobile body, different bearing and transmission torque, different ground clearance, different arrangement of tires and the like. The appearance of the different whole vehicles in the market at present causes the situation of multiple varieties and small batch of rear axles. Particularly, the angle of the shaft heads on two sides of the semi-floating rear axle is changed greatly relative to the axle housing axis.
Most of existing semi-floating rear axle welding tools are made to be fixed, and when the angle of a shaft head of a product changes, the original tool cannot be used and needs to be newly manufactured. The new tool has long development period, high cost and long time for replacing the clamp; the rear axle development cycle cannot follow the development cycle of the whole vehicle, the cost is high, the production efficiency is low, the rear axle development cycle cannot adapt to market changes, the consumed time is long, the efficiency is low, only selective inspection can be performed, and full inspection cannot be achieved. Therefore, it is important to solve such problems.
Disclosure of Invention
Aiming at the problems, the invention provides the shaft head positioning clamp for welding the semi-floating rear axle, which can be used by fixing the clamp on the working bottom plate at the corresponding position through the right-angle plate according to the rear axles with different models, and has the advantages of convenient adjustment, strong universality, low cost and quick replacement and installation time.
In order to realize the technical scheme, the invention provides a shaft head positioning clamp for welding a semi-floating rear axle, which comprises a rotating shaft, a positioning shaft pin and a pressure head controlled by an air cylinder, wherein the rotating shaft is arranged in a rotating shaft bracket, the upper end of the rotating shaft is connected with the positioning shaft pin through the positioning pin, the rotating shaft is also connected with an axial adjusting block through the positioning pin, the axial position of the rotating shaft is determined by the axial adjusting block, the two ends of the positioning shaft pin are respectively provided with the pressure head controlled by the air cylinder, a workpiece is positioned by the positioning shaft pin, and the workpiece is pressed by matching with the pressure head; a tapered roller bearing for driving the rotating shaft to rotate is arranged in the rotating shaft bracket; the middle part of pivot support is provided with pivot locking piece, the pivot passes pivot support and pivot locking piece, the bottom installation of pivot has the scale plate of slotted hole, and pivot and scale plate pass through nut fixed mounting in the middle of the pivot support.
The further improvement lies in that: the upper part of the rotating shaft is provided with a large gasket for adjusting and positioning the axial clearance of the shaft head on the shaft pin.
The further improvement lies in that: one side end of the rotating shaft support is fixed on the tool bottom plate through a right-angle plate, and a gasket is arranged between the right-angle plate and the tool bottom plate and used for correcting the horizontal parallelism of the clamp.
The further improvement lies in that: the scale plate is provided with a slotted hole in a corresponding position according to the angles and positions of different products, the slotted hole is provided with a locking mechanism, and a user inserts the locking mechanism into the corresponding slotted hole according to different products to realize the model changing of the products.
The further improvement lies in that: and a cylinder transverse support for mounting the cylinder is arranged on the rotating shaft locking block, so that the cylinder and the clamp are integrated.
The invention has the beneficial effects that: the clamp can be used by fixing the clamp on the working bottom plate at the corresponding position through the right-angle plate, and has the advantages of convenient adjustment, strong universality, low cost and quick replacement time.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a cross-sectional view a-a of the present invention.
Fig. 4 is a front view of the present invention.
Wherein: 1. a rotating shaft; 2. positioning a shaft pin; 3. a cylinder; 4. a pressure head; 5. a rotating shaft bracket; 6. a tapered roller bearing; 7. a rotating shaft locking block; 8. a scale plate; 9. a locking mechanism; 10. a large washer; 11. a right-angle plate; 12. a gasket; 13. a cylinder transverse support; 14. an axial adjusting block.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1-4, the embodiment provides a shaft head positioning fixture for welding a semi-floating rear axle, which includes a rotating shaft 1, a positioning shaft pin 2 and a pressing head 4 controlled by a cylinder 3, wherein the rotating shaft 1 is installed in a rotating shaft bracket 5, the upper end of the rotating shaft 1 is connected with the positioning shaft pin 2 through the positioning pin, the rotating shaft 1 is further connected with an axial adjusting block 14 through the positioning pin, the axial position of the rotating shaft 1 is determined by the axial adjusting block 14, the two ends of the positioning shaft pin 2 are both provided with the pressing heads 4 controlled by the cylinders, the positioning shaft pin 2 positions a workpiece, and the workpiece is pressed by the pressing head 4; a tapered roller bearing 6 for driving the rotating shaft to rotate is arranged in the rotating shaft bracket 5; the middle part of pivot support 5 is provided with pivot locking piece 7, pivot 1 passes pivot support 5 and pivot locking piece 7, the bottom installation of pivot 1 has the scale plate 8 of slotted hole, install locking mechanical system 9 on the slotted hole.
In this embodiment, the upper part of the rotating shaft 1 is provided with a large washer 10 for adjusting the axial clearance of the shaft head on the positioning shaft pin 2.
In this embodiment, a side end of the rotating shaft support 5 is fixed on the tool bottom plate through a right-angle plate 11, and a gasket is arranged between the right-angle plate 11 and the tool bottom plate and used for correcting the horizontal parallelism of the clamp.
In this embodiment, the calibration plate 8 is provided with a slot at a corresponding position according to the angle and position of different products, and a user inserts the locking mechanism 9 into the corresponding slot according to different products to realize product model change.
In this embodiment, the shaft locking block 7 is provided with a cylinder cross bracket 13 for mounting the cylinder 3, so that the cylinder 3 and the clamp are integrated.
In this embodiment, the right-angle plate is firstly installed on the corresponding position of the tooling bottom plate according to the rear axles with different specifications, then the horizontal parallelism of the clamp is corrected according to the gasket 12 between the right-angle plate 11 and the tooling bottom plate, the axial position of the rotating shaft is determined by the axial adjusting block 14 on the rotating shaft, the large washer 10 on the upper part of the rotating shaft is used for adjusting the axial clearance of the shaft head on the positioning shaft pin 2, and the shaft head of the rear axle is fixed through the adjustment so as to be suitable for welding the rear axles with different specifications.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a half floating rear axle is spindle nose positioning fixture for welding which characterized in that: the device comprises a rotating shaft (1), a positioning shaft pin (2) and a pressure head (4) controlled by a cylinder (3), wherein the rotating shaft (1) is installed in a rotating shaft support (5), the upper end of the rotating shaft (1) is connected with the positioning shaft pin (2) through a positioning pin, the rotating shaft (1) is further connected with an axial adjusting block (14) through the positioning pin, the axial position of the rotating shaft (1) is determined by the axial adjusting block (14), the pressure heads (4) controlled by the cylinders are arranged at two ends of the positioning shaft pin (2), a workpiece is positioned by the positioning shaft pin (2), and the workpiece is pressed by matching with the pressure head (4); a tapered roller bearing (6) for driving the rotating shaft to rotate is arranged in the rotating shaft bracket (5); a rotating shaft locking block (7) is arranged in the middle of the rotating shaft support (5), the rotating shaft (1) penetrates through the rotating shaft support (5) and the rotating shaft locking block (7), a scale plate (8) with a slotted hole is installed at the bottom end of the rotating shaft (1), a locking mechanism (9) is installed on the slotted hole, and a large gasket (10) is arranged at the upper part of the rotating shaft (1) and used for adjusting the axial clearance of a shaft head on the positioning shaft pin (2);
one side end of the rotating shaft support (5) is fixed on the tool bottom plate through a right-angle plate (11), and a gasket (12) is arranged between the right-angle plate (11) and the tool bottom plate and used for correcting the horizontal parallelism of the clamp;
slotted holes are reserved in the corresponding positions of the scale plate (8) according to the angles and the positions of different products, and a user inserts the locking mechanism (9) into the corresponding slotted holes according to different products to realize the model changing of the products.
2. The shaft head positioning clamp for welding the semi-floating rear axle according to claim 1, characterized in that: and a cylinder transverse support (13) for mounting the cylinder (3) is arranged on the rotating shaft locking block (7), so that the cylinder (3) and the clamp are integrated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911346185.0A CN110977299B (en) | 2019-12-24 | 2019-12-24 | Shaft head positioning fixture for welding semi-floating rear axle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911346185.0A CN110977299B (en) | 2019-12-24 | 2019-12-24 | Shaft head positioning fixture for welding semi-floating rear axle |
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CN110977299A CN110977299A (en) | 2020-04-10 |
CN110977299B true CN110977299B (en) | 2021-10-01 |
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CN201911346185.0A Active CN110977299B (en) | 2019-12-24 | 2019-12-24 | Shaft head positioning fixture for welding semi-floating rear axle |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205571806U (en) * | 2016-04-20 | 2016-09-14 | 庆铃汽车(集团)有限公司 | Automobile axle shell presss from both sides tight rotary jig |
CN108927617A (en) * | 2018-09-30 | 2018-12-04 | 重庆文理学院 | A kind of quick clamping system for the welding of automobile axle assembly |
CN209125400U (en) * | 2018-11-15 | 2019-07-19 | 广州中设机器人智能装备(武汉)有限公司 | A kind of rear axle housing spindle head positioning device |
CN209223498U (en) * | 2018-12-21 | 2019-08-09 | 重庆小康工业集团股份有限公司 | A kind of welding fixture convenient for adjusting angle |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206241555U (en) * | 2016-12-13 | 2017-06-13 | 成都迈特利尔科技有限公司 | The axle center swelling device and back axle for being applied to back axle boxing always spell boxing special plane |
-
2019
- 2019-12-24 CN CN201911346185.0A patent/CN110977299B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205571806U (en) * | 2016-04-20 | 2016-09-14 | 庆铃汽车(集团)有限公司 | Automobile axle shell presss from both sides tight rotary jig |
CN108927617A (en) * | 2018-09-30 | 2018-12-04 | 重庆文理学院 | A kind of quick clamping system for the welding of automobile axle assembly |
CN209125400U (en) * | 2018-11-15 | 2019-07-19 | 广州中设机器人智能装备(武汉)有限公司 | A kind of rear axle housing spindle head positioning device |
CN209223498U (en) * | 2018-12-21 | 2019-08-09 | 重庆小康工业集团股份有限公司 | A kind of welding fixture convenient for adjusting angle |
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