CN220612408U - Drilling fixture for machining workpiece with arc surface - Google Patents
Drilling fixture for machining workpiece with arc surface Download PDFInfo
- Publication number
- CN220612408U CN220612408U CN202321769031.4U CN202321769031U CN220612408U CN 220612408 U CN220612408 U CN 220612408U CN 202321769031 U CN202321769031 U CN 202321769031U CN 220612408 U CN220612408 U CN 220612408U
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- China
- Prior art keywords
- workpiece
- clamp body
- processed
- arc surface
- drilling
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000003754 machining Methods 0.000 title claims description 15
- 238000003825 pressing Methods 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a drilling clamp for processing a workpiece with an arc surface, which comprises a clamp body, a drilling jig assembly and a compacting assembly; the clamp body is provided with two positioning surfaces, and the included angle of the two positioning surfaces is the same as the included angle of the central lines of two processing holes of the workpiece to be processed; the clamp body is also provided with an arc surface, and the arc surface of the clamp body is coaxial with the arc surface of the workpiece to be processed; the fixture body is also provided with more than two positioning pins, and a workpiece to be processed is fixed on the fixture body through the positioning pins and the pressing component; the drill jig assembly is arranged above the position of the hole to be processed on the clamp body; during drilling, the workpiece to be machined is sequentially drilled through the two positioning surfaces of the clamp body and the drilling jig assembly. The utility model has the advantages of quick and accurate drilling, effective control of the precision of the key size of the processed workpiece and guarantee of the requirements of the drilling position size and the inclination. The clamping and taking of the workpiece to be processed are simple and quick, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a drilling clamp for machining a workpiece with an arc surface.
Background
The machining of mechanical workpieces in the modern manufacturing industry is not carried out by a drilling machine, and the fixture is one of important technological equipment which ensures the machining quality, improves the production efficiency, lightens the labor intensity, reduces the excessive requirements on the worker technology and realizes the automation of the production process, so the fixture is widely used in the manufacturing industry.
For some workpieces with complex appearance structures and high requirements on dimensional accuracy, a special fixture is often required to be designed to control the dimensional processing accuracy. The utility model provides a clamp capable of ensuring that a drill bit is vertically downward and meeting the position requirements of machining inclined holes of a workpiece, aiming at the defects of the prior art.
Disclosure of Invention
The utility model aims to solve the defects and the shortcomings in the prior art, and provides the drilling clamp for processing the workpiece with the circular arc surface, which has the advantages of simple structure, convenience in use, capability of rapidly clamping and disassembling a workpiece and ensuring the processing precision of the critical dimension.
The technical scheme of the utility model is as follows: a drilling fixture for machining a workpiece with an arc surface comprises a fixture body, a drilling jig assembly and a compacting assembly; the clamp body is provided with two positioning surfaces, and the included angle of the two positioning surfaces is the same as the included angle of the central lines of two processing holes of the workpiece to be processed; the clamp body is also provided with an arc surface, and the arc surface of the clamp body is coaxial with the arc surface of the workpiece to be processed; the fixture body is also provided with more than two positioning pins, and a workpiece to be processed is fixed on the fixture body through the positioning pins and the pressing component; the drill jig assembly is arranged above the position of the hole to be processed on the clamp body; during drilling, the workpiece to be machined is sequentially drilled through the two positioning surfaces of the clamp body and the drilling jig assembly.
Further, the drill jig assembly comprises a drill jig plate and a drill sleeve, and the drill jig plate is arranged above the position of the hole to be processed on the clamp body through a cylindrical pin and a fixing screw.
Preferably, the drill plate is arranged above the position of the hole to be processed on the clamp body, and the outer shape of the drill plate is matched with the shape of the circular arc surface of the clamp body.
Further, the pressing assembly comprises a pressing plate, a pressing spring and a pressing screw, and the pressing plate presses the workpiece to be processed on the clamp body through the pressing spring and the pressing screw.
Further, the clamp body, the drill jig assembly and the compaction assembly are made of 45# steel.
The utility model has the beneficial effects that:
(1) According to the utility model, the drilling positioning is performed by combining the shapes of the workpiece to be processed and the clamp body, so that the drilling is fast and accurate, the key size precision of the processed workpiece can be effectively controlled, and the requirements on the size and the inclination of the drilling position are ensured.
(2) The utility model is simple and quick to clamp and take the workpiece to be processed, reduces the labor intensity of workers, improves the production efficiency, and is suitable for mass production and processing.
(3) The main material of the utility model is mainly 45# steel, and has few components, low manufacturing cost, simple operation and safe and reliable performance.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a view of the present utility model.
Reference numerals: the fixture comprises a fixture body, a 2-drill plate, a 3-pressing plate, a 4-cylindrical pin, a 5-fixing screw, a 6-drill sleeve, 7, a compression spring, an 8-compression screw, a 9-locating pin A, a 10-locating pin B, an 11-workpiece to be machined, a 12-locating surface A, a 13-fixing surface B and a 14-arc surface of the fixture body.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings, without limiting the scope of the utility model.
A drilling fixture for machining a workpiece with an arc surface comprises a fixture body 1, a drilling jig assembly and a compacting assembly; the clamp body 1 is provided with two positioning surfaces, and the included angle of the two positioning surfaces is the same as the included angle of the center lines of two processing holes of the workpiece 11 to be processed; the clamp body 1 is also provided with an arc surface, and the arc surface 14 of the clamp body is coaxial with the arc surface of the workpiece 11 to be processed; the fixture body 1 is also provided with more than two positioning pins, and a workpiece 11 to be processed is fixed on the fixture body 1 through the positioning pins and the pressing component; the drill jig assembly is arranged above the position of the hole to be processed on the clamp body 1; during drilling, the workpiece 11 to be machined is sequentially drilled through the two positioning surfaces of the clamp body 1 and the drilling jig assembly.
Further, the drill jig assembly comprises a drill jig plate 2 and a drill sleeve 6, wherein the drill jig plate 2 is arranged above a hole to be machined on the clamp body 1 through a cylindrical pin 4 and a fixing screw 5.
Preferably, the drill plate 2 is arranged above the position of the hole to be processed on the clamp body 1, and the external shape of the drill plate is matched with the shape of the circular arc surface 14 of the clamp body.
Further, the pressing assembly comprises a pressing plate 2, a pressing spring 7 and a pressing screw 8, and the pressing plate 2 presses the workpiece 11 to be processed on the clamp body 1 through the pressing spring 7 and the pressing screw 8.
The assembly and use modes of the embodiment of the utility model are as follows:
when drilling, firstly, a matched drilling jig assembly is fixed on a fixture body 1 through a cylindrical pin 4 and a fixing screw 5, then a pressing screw 8 is unscrewed, a left upper corner hole of a workpiece 11 to be processed is sleeved into a positioning pin A9, a right lower corner plane is attached to a positioning pin B10, the circular arc surface of the workpiece 11 to be processed is tightly abutted against a drilling jig plate 2, and then the pressing screw 8 is screwed to fix the workpiece 11 to be processed through a pressing plate 2 and a pressing spring 7; finally, the two inclined holes on the workpiece 11 to be processed are drilled respectively through the fixing surface A12 and the fixing surface B13 of the clamp body 1.
The clamp body 1 is used for clamping and fixing a machine tool. The circular arc surface 14 of the clamp body is coaxial with the workpiece 11 to be machined, and the inner wall of the workpiece to be machined can be locked through the locating pin, the drill plate 2 and the pressing plate 2, so that the workpiece cannot slide in the machining process, and the drilling position and the dimensional machining precision are controlled.
Claims (5)
1. A boring grab for processing take arc surface work piece, its characterized in that: comprises a clamp body, a drill jig assembly and a compacting assembly; the clamp body is provided with two positioning surfaces, and the included angle of the two positioning surfaces is the same as the included angle of the central lines of two processing holes of the workpiece to be processed; the clamp body is also provided with an arc surface, and the arc surface of the clamp body is coaxial with the arc surface of the workpiece to be processed; the fixture body is also provided with more than two positioning pins, and a workpiece to be processed is fixed on the fixture body through the positioning pins and the pressing component; the drill jig assembly is arranged above the position of the hole to be processed on the clamp body; during drilling, the workpiece to be machined is sequentially drilled through the two positioning surfaces of the clamp body and the drilling jig assembly.
2. A boring grab for machining a workpiece having an arcuate surface as claimed in claim 1, wherein: the drill jig assembly comprises a drill jig plate and a drill bushing, and the drill jig plate is arranged above the position of the hole to be processed on the clamp body through a cylindrical pin and a fixing screw.
3. A boring grab for machining a workpiece having an arcuate surface as claimed in claim 1, wherein: the pressing assembly comprises a pressing plate, a pressing spring and a pressing screw, and the pressing plate presses the workpiece to be processed on the clamp body through the pressing spring and the pressing screw.
4. A boring grab for machining a workpiece having an arcuate surface as claimed in claim 2, wherein: the drill jig plate is arranged above the position of the hole to be machined on the clamp body, and the outer shape of the drill jig plate is matched with the shape of the circular arc surface of the clamp body.
5. A boring grab for machining a workpiece having an arcuate surface as claimed in claim 1, wherein: the fixture body, the drilling jig assembly and the compacting assembly are made of 45# steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321769031.4U CN220612408U (en) | 2023-07-07 | 2023-07-07 | Drilling fixture for machining workpiece with arc surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321769031.4U CN220612408U (en) | 2023-07-07 | 2023-07-07 | Drilling fixture for machining workpiece with arc surface |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220612408U true CN220612408U (en) | 2024-03-19 |
Family
ID=90229657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321769031.4U Active CN220612408U (en) | 2023-07-07 | 2023-07-07 | Drilling fixture for machining workpiece with arc surface |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220612408U (en) |
-
2023
- 2023-07-07 CN CN202321769031.4U patent/CN220612408U/en active Active
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