CN214980452U - Machining clamp for crankshaft end cover - Google Patents
Machining clamp for crankshaft end cover Download PDFInfo
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- CN214980452U CN214980452U CN202120790854.XU CN202120790854U CN214980452U CN 214980452 U CN214980452 U CN 214980452U CN 202120790854 U CN202120790854 U CN 202120790854U CN 214980452 U CN214980452 U CN 214980452U
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- plate
- end cover
- pressing
- positioning
- bridge plate
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Abstract
The utility model discloses a add clamping apparatus for bent axle end cover, including the bridge plate, the bridge plate sets up on rotating device, be provided with on the bridge plate first to press subassembly, second to press tight subassembly, second to compress tightly subassembly, locating component and prepositioning subassembly. The bridge plate is arranged on the rotating device and provided with a plurality of pressing assemblies, so that the bridge plate can be clamped at one time to finish machining of a plurality of surfaces, and machining errors are reduced.
Description
Technical Field
The utility model relates to a spare part processing technology field, concretely relates to add clamping apparatus for bent axle end cover.
Background
In the engine, the output end of the crankshaft penetrates through the box body to transmit mechanical energy outwards, and a crankshaft end cover is added on the crankshaft to ensure the sealing in the box body. After the crankshaft end cover is cast, the plane of the crankshaft end cover contacting with other parts is required to be machined, and the machined plane comprises a plane through which a crankshaft passes, a plane through which a through hole is installed and a plane at the rear end. In the prior art, when the crankshaft end cover is machined, all machining can be completed only by mounting at least twice, and machining errors are easy to occur in machining.
SUMMERY OF THE UTILITY MODEL
The utility model discloses plan to provide a adds clamping apparatus for bent axle end cover, a clamping just can accomplish the processing of bent axle end cover, reduces machining error's production.
Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides a add clamping apparatus for bent axle end cover, includes the bridgeplate, the bridgeplate sets up on rotating device, the interval is provided with first pressing component about the middle part of bridgeplate, it supports tight subassembly, second hold down subassembly, locating component and prepositioning subassembly to be provided with the second on the bridgeplate, first pressing component includes first clamp plate and second clamp plate to support, second clamp plate and first clamp plate interval about set up fix on the output shaft of the motor on the bridgeplate, and first clamp plate and second clamp plate are the setting of staggering of right angle, both ends still are provided with the second locating pin around the motor, and when the bent axle end cover was placed, first clamp plate can just support the upper end at the bent axle end cover, and when the motor during operation, drive the second clamp plate and rotate, make the second clamp plate can press on the bent axle end cover.
Preferably, the two first abutting assemblies are arranged in the middle of the bridge plate at left and right intervals, the second abutting assemblies, the second pressing assemblies, the positioning assemblies and the pre-positioning assemblies are arranged in two rows at front and back intervals, four first abutting assemblies, four second pressing assemblies, four first positioning assemblies and four second positioning assemblies are arranged at left and right intervals, two left ends and two right ends of the two first abutting assemblies are arranged oppositely, and when the crankshaft end cover is placed, the rear end face of the end cover faces outwards.
Further preferably, the positioning assembly comprises a first positioning pin, the first positioning pin is mounted on the bridge plate through the positioning seat, the positioning seat is in threaded connection with the bridge plate, and the heights of all the first positioning pins are equal.
Preferably, the pre-positioning assembly comprises a pre-positioning column arranged on the bridge plate, and the pre-positioning column is made of plastic.
Preferably, the second abutting assembly comprises a second abutting plate, one end of the second abutting plate is hinged to the telescopic end of the oil cylinder, the oil cylinder is arranged on the bridge plate, the middle of the second abutting plate is hinged to the fixedly arranged connecting plate, and when the telescopic end of the oil cylinder moves upwards, the other end of the second abutting plate abuts against the crankshaft end cover.
Preferably, the second pressing assembly comprises a third pressing plate, one end of the third pressing plate is arranged on an output shaft of the rotary cylinder, the rotary cylinder is fixedly arranged on the bridge plate, and when the rotary cylinder works, the third pressing plate is driven to rotate, so that the other end of the third pressing plate is pressed at the rear end of the crankshaft end cover.
Preferably, the rotating device comprises a rotary table arranged on the left side and the right side of the bridge plate and a tailstock arranged on the right side of the bridge plate, L plates are arranged between the rotary table and the bridge plate and between the tailstock and the bridge plate, and the rotary table and the tailstock are fixedly arranged on the workbench.
More preferably, the turntable is provided with a rotation preventing lever for preventing the turntable from rotating.
The utility model has the advantages that: the bridge plate is arranged on the rotating device and provided with a plurality of pressing assemblies, so that the bridge plate can be clamped at one time to finish machining of a plurality of surfaces, and machining errors are reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
referring to fig. 1-2, a machining fixture for a crankshaft end cover mainly comprises a bridge plate 1, a first abutting component, a second pressing component, a positioning component, a pre-positioning component and a rotating device, wherein the bridge plate 1 is arranged on the rotating device, and the first abutting component, the second pressing component, the positioning component and the pre-positioning component are arranged on the bridge plate 1.
The first concrete structure of pressing subassembly that supports includes first clamp plate 6 and second clamp plate 7, second clamp plate 7 and first clamp plate 6 interval setting about on the output shaft of fixing the motor 8 on bridge plate 1, and first clamp plate 6 and second clamp plate 7 are the setting of staggering of right angle, both ends still are provided with second locating pin 19 around the motor 8, when bent axle end cover 2 placed, first clamp plate 6 can just support the upper end at bent axle end cover 2, when motor 8 during operation, drive second clamp plate 7 and rotate, make second clamp plate 7 can press on bent axle end cover 2.
Two first support and press the subassembly to control the interval setting at the middle part of bridge 1, the second supports tight subassembly, the second compresses tightly subassembly, locating component and prepositioning subassembly front and back interval and is provided with two rows, and the interval is provided with four about every row, and wherein two of left end and right-hand member set up relatively, and two back of the body in the middle set up, and when bent axle end cover 2 placed, bent axle end cover 2's rear end face was outside.
The specific structure of the positioning assembly comprises a first positioning pin 3, the first positioning pin 3 is installed on the bridge plate 1 through a positioning seat 4, the positioning seat 4 is connected with the bridge plate 1 through threads, and the heights of all the first positioning pins 3 are equal.
The pre-positioning assembly comprises a pre-positioning column 5 arranged on the bridge plate 1, and the pre-positioning column 5 is made of plastic.
The second abutting component comprises a second abutting plate 9, one end of the second abutting plate 9 is hinged with the telescopic end of an oil cylinder 10, the oil cylinder 10 is arranged on the bridge plate 1, the middle of the second abutting plate 9 is hinged with a fixedly arranged connecting plate 12, and when the telescopic end of the oil cylinder 10 moves upwards, the other end of the second abutting plate 9 just abuts against the crankshaft end cover 2.
The second compressing assembly comprises a third compressing plate 13, one end of the third compressing plate 13 is arranged on an output shaft of a rotary cylinder 14, the rotary cylinder 14 is fixedly arranged on the bridge plate 1, and when the rotary cylinder 14 works, the third compressing plate 13 is driven to rotate, so that the other end of the third compressing plate 13 is pressed at the rear end of the crankshaft end cover 2.
The concrete structure of the rotating device comprises a rotary table 15 arranged on the left and the right of the bridge plate 1 and a tailstock 16 arranged on the right of the bridge plate 1, L plates 20 are arranged between the rotary table 15 and the bridge plate 1 and between the tailstock 16 and the bridge plate 1, and the rotary table 15 and the tailstock 16 are fixedly arranged on a workbench 17.
To ensure that the turntable 15 can be stably placed horizontally or vertically, an anti-rotation lever 18 for preventing the turntable 15 from rotating is provided on the turntable 15.
The utility model discloses a use as follows:
1. firstly, inserting an anti-rotation rod 18 into a rotary table 15 to ensure that the rotary table 15 is horizontal, then correspondingly placing four crankshaft end covers 2 on a first positioning pin 3 and a second positioning pin 19 respectively, wherein the two first positioning pins 3 are positioned in positioning holes of the crankshaft end covers 2, the second positioning pin 19 is arranged below the crankshaft end covers 2, the two first positioning pins 3 and the second positioning pins 19 corresponding to each crankshaft end cover 2 are arranged in an isosceles triangle shape, and at the moment, the front end and the rear end of a first pressure plate 6 are just correspondingly abutted against the two crankshaft end covers 2 arranged in the front and the rear;
2. starting the oil cylinder 10 to drive the other end of the second abutting plate 9 to abut against the crankshaft end cover 2, wherein three pressing points including two second abutting plates 9 and one first pressing plate 6 are formed on each crankshaft end cover 2, and the three pressing points are arranged in an isosceles triangle;
3. processing a plane of the mounting through hole of each crankshaft end cover 2 and a plane through which the crankshaft passes;
4. starting a motor 8, enabling the front end and the rear end of a second pressure plate 7 to be pressure-equalized on the crankshaft end cover 2 arranged in the front and the rear, starting a rotary air cylinder 14, enabling the other end of a third pressure plate 13 to be pressed on the rear end of the crankshaft end cover 2, and forming three pressing points arranged in an isosceles triangle shape on the upper surface of the crankshaft end cover 2;
5. taking down the anti-rotation rod 18, rotating the rotary table 15 by 90 degrees, vertically placing the bridge plate 1, inserting the anti-rotation rod 18, processing the rear end planes of the two crankshaft end covers on the front side or the rear side, taking down the anti-rotation rod 18, rotating the rotary table 15 by 180 degrees, reversely vertically placing the bridge plate 1, inserting the anti-rotation rod 18, and processing the rear end planes of the two remaining crankshaft end covers;
6. and (3) taking off the anti-rotation rod 18, rotating the rotary table 15 by 90 degrees to enable the bridge plate 1 to be horizontal, inserting the anti-rotation rod 18, reversely rotating the motor 8 and the rotary cylinder 14 to enable the second pressing plate 7 and the third pressing plate 13 to return to the original positions, contracting the oil cylinder 10 to enable the second abutting plate 9 to return to the original positions, and taking off the processed crankshaft end cover 2.
Claims (8)
1. The utility model provides a add clamping apparatus for bent axle end cover which characterized in that: the device comprises a bridge plate (1), wherein the bridge plate (1) is arranged on a rotating device, and a first abutting component, a second pressing component, a positioning component and a pre-positioning component are arranged on the bridge plate (1); the first pressing component comprises a first pressing plate (6) and a second pressing plate (7), the second pressing plate (7) and the first pressing plate (6) are arranged on an output shaft of a motor (8) fixed on the bridge plate (1) at an upper-lower interval, the first pressing plate (6) and the second pressing plate (7) are arranged in a right-angle staggered mode, second positioning pins (19) are further arranged at the front end and the rear end of the motor (8), when the crankshaft end cover (2) is placed, the first pressing plate (6) can just abut against the upper end of the crankshaft end cover (2), when the motor (8) works, the second pressing plate (7) is driven to rotate, and the second pressing plate (7) can be pressed on the crankshaft end cover (2).
2. The machining jig for a crankshaft end cover according to claim 1, wherein: the two first pressing components are arranged in the middle of the bridge plate (1) at the left and right sides at intervals, the second pressing components, the positioning components and the pre-positioning components are arranged in two rows at the front and back at intervals, four first pressing components, four second pressing components, four first pressing components, four second pressing components, two left ends and two right ends of the two first pressing components are arranged oppositely, and when the crankshaft end cover (2) is placed, the rear end face of the crankshaft end cover (2) faces outwards.
3. The machining jig for a crankshaft end cover according to claim 1, wherein: the positioning assembly comprises a first positioning pin (3), the first positioning pin (3) is installed on the bridge plate (1) through a positioning seat (4), the positioning seat (4) is connected with the bridge plate (1) through threads, and the heights of all the first positioning pins (3) are equal.
4. The machining jig for a crankshaft end cover according to claim 1, wherein: the pre-positioning assembly comprises a pre-positioning column (5) arranged on the bridge plate (1), and the pre-positioning column (5) is made of plastic.
5. The machining jig for a crankshaft end cover according to claim 1, wherein: the second abutting component comprises a second abutting plate (9), one end of the second abutting plate (9) is hinged to the telescopic end of the oil cylinder (10), the oil cylinder (10) is arranged on the bridge plate (1), the middle of the second abutting plate (9) is hinged to a fixedly arranged connecting plate (12), and when the telescopic end of the oil cylinder (10) moves upwards, the other end of the second abutting plate (9) abuts against the crankshaft end cover (2) just.
6. The machining jig for a crankshaft end cover according to claim 1, wherein: the second pressing assembly comprises a third pressing plate (13), one end of the third pressing plate (13) is arranged on an output shaft of the rotary cylinder (14), the rotary cylinder (14) is fixedly arranged on the bridge plate (1), and when the rotary cylinder (14) works, the third pressing plate (13) is driven to rotate, so that the other end of the third pressing plate (13) is pressed at the rear end of the crankshaft end cover (2).
7. The machining jig for a crankshaft end cover according to claim 1, wherein: the rotating device comprises a rotary table (15) arranged on the left side and the right side of the bridge plate (1) and a tailstock (16) arranged on the right side of the bridge plate (1), wherein an L plate (11) is arranged between the rotary table (15) and the bridge plate (1) and between the tailstock (16) and the bridge plate (1), and the rotary table (15) and the tailstock (16) are fixedly arranged on a workbench (17).
8. The machining jig for a crankshaft end cover according to claim 7, wherein: the rotary table (15) is provided with a rotation preventing rod (18) for preventing the rotary table (15) from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120790854.XU CN214980452U (en) | 2021-04-19 | 2021-04-19 | Machining clamp for crankshaft end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120790854.XU CN214980452U (en) | 2021-04-19 | 2021-04-19 | Machining clamp for crankshaft end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214980452U true CN214980452U (en) | 2021-12-03 |
Family
ID=79093485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120790854.XU Active CN214980452U (en) | 2021-04-19 | 2021-04-19 | Machining clamp for crankshaft end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214980452U (en) |
-
2021
- 2021-04-19 CN CN202120790854.XU patent/CN214980452U/en active Active
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