CN220740213U - Clamp for machining cambered surface parts of multiple workpieces - Google Patents
Clamp for machining cambered surface parts of multiple workpieces Download PDFInfo
- Publication number
- CN220740213U CN220740213U CN202321902052.9U CN202321902052U CN220740213U CN 220740213 U CN220740213 U CN 220740213U CN 202321902052 U CN202321902052 U CN 202321902052U CN 220740213 U CN220740213 U CN 220740213U
- Authority
- CN
- China
- Prior art keywords
- clamp body
- arc
- pressing block
- shaped pressing
- cambered surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003754 machining Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000003801 milling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a clamp for processing a multi-workpiece cambered surface part, which comprises a cylindrical clamp body and an arc-shaped pressing block, wherein two end surfaces of the clamp body are parallel; an annular groove is arranged on the side surface of the clamp body near one end; one end of the side surface of the clamp body is provided with a plurality of rectangular grooves, the bottom surface of each rectangular groove is a plane, and positioning convex blocks are arranged in each rectangular groove; an arc-shaped pressing block is arranged at the rectangular groove, and the end surface of the arc-shaped pressing block facing the positioning convex block is a concave cambered surface; the plurality of rectangular grooves are uniformly arranged along the circumferential direction; the other end of the side face of the clamp body is provided with a correction plane which is perpendicular to the end face of the clamp body. The fixture for machining the multi-workpiece cambered surface part is simple in structure, is provided with a plurality of stations, and can clamp a plurality of machining-substitute parts at one time for machining; the machining efficiency and the clamping efficiency are improved, and the labor intensity of workers is reduced; the arc-shaped pressing block is adopted to press the machined part instead of the machined part, and the contact is surface contact, so that the surface of the part can be prevented from being damaged by pressing.
Description
Technical Field
The utility model relates to a clamp for machining multi-workpiece cambered surface parts.
Background
In machining, the clamping method of cambered surface parts is usually produced in a single piece, a self-made simple clamp, screws and pressing plates act on four corners of a non-machining contact cambered surface, clamping forces acting on the parts are in point contact, the requirements on the skill level of an operator are high, the clamping forces are overlarge, the pressing plate contact points easily crush the surfaces of the parts, the clamping forces acting on the parts are very small in a moderate clamping force state, in the machining process, only small feeding cutting is performed, the machining efficiency is low, the clamping efficiency is low, and the labor intensity of workers is high.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the clamp for processing the cambered surface parts of the multiple workpieces, which has the advantages of simple structure, capability of improving the processing efficiency and the clamping efficiency, reduction of the labor intensity of workers and capability of ensuring that the surfaces of the parts are not crushed.
The technical scheme adopted by the utility model is as follows: a clamp for processing multi-workpiece cambered surface parts comprises a cylindrical clamp body and an arc-shaped pressing block, wherein two end surfaces of the clamp body are parallel, and the parallelism is not more than 0.02mm; the two end faces of the clamp body are perpendicular to the axis; an annular groove is arranged on the side surface of the clamp body near one end; one end of the side surface of the clamp body is provided with a plurality of rectangular grooves, the bottom surface of each rectangular groove is a plane, and positioning convex blocks are arranged in each rectangular groove; an arc-shaped pressing block is arranged at the rectangular groove, and the end surface of the arc-shaped pressing block facing the positioning convex block is a concave cambered surface; the plurality of rectangular grooves are uniformly arranged along the circumferential direction; the other end of the side face of the clamp body is provided with a correction plane which is perpendicular to the end face of the clamp body.
In the clamp for processing the multi-workpiece cambered surface part, the runout degree of the correction plane relative to the end face of the clamp body is not more than 0.025mm.
In the fixture for processing the cambered surface parts of the multiple workpieces, the positioning lug is provided with two positioning pin holes and one threaded hole, the arc-shaped pressing block is provided with two pin holes and two screw holes, the two pin holes of the arc-shaped pressing block are connected with the two positioning pin holes on the positioning lug through the two positioning pins, and the screw holes are connected with the threaded holes through screws.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has simple structure, is provided with a plurality of stations, and can clamp a plurality of machining parts for machining at one time; the machining efficiency and the clamping efficiency are improved, and the labor intensity of workers is reduced; the arc-shaped pressing block is adopted to press the machined part instead of the machined part, and the contact is surface contact, so that the surface of the part can be prevented from being damaged by pressing.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a front view of the clamp body of the present utility model.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a schematic view of the installation of the part to be machined of the present utility model.
Fig. 5 is an enlarged view of fig. 4 at I.
FIG. 6 is a cross-sectional view of an arcuate compact of the present utility model.
Fig. 7 is a front view of a part to be machined according to the present utility model.
Fig. 8 is a sectional view of B-B in fig. 7.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-8, the clamp for processing the multi-workpiece cambered surface part comprises a cylindrical clamp body 1 and an arc-shaped pressing block 2, wherein two end surfaces of the clamp body 1 are parallel, and the parallelism is not more than 0.02mm; and both end surfaces of the clamp body 1 are perpendicular to the axis. An annular groove 11 is arranged on the side surface of the clamp body 1 near one end.
A plurality of rectangular grooves 12 are formed in one end of the side face of the clamp body 1, and the plurality of rectangular grooves 12 are uniformly distributed along the circumferential direction. The bottom surface of the rectangular groove 12 is a plane, and a positioning lug 13 is arranged in the rectangular groove 12; the positioning lug 13 is provided with two positioning pin holes 131 and a threaded hole 132. The arc briquetting 2 is installed to rectangle recess 13 department, is equipped with two pinhole 21 and a screw hole 22 on the arc briquetting 2, and two pinhole 21 of arc briquetting 2 are connected through two locating pins and two locating pin holes 131 on the locating lug 13, and screw hole is connected through screw and screw hole 132 on the arc briquetting 2. The end face of the arc-shaped pressing block 2 facing the positioning convex block 13 is a concave arc surface.
The other end of the side face of the clamp body is provided with a correction plane C, and the correction plane C is perpendicular to the end face of the clamp body. The runout degree of the correction plane relative to the end face of the clamp body is not more than 0.025mm.
The utility model is used for processing cambered surface parts, and comprises the following steps:
1) The clamp body 1 of the clamp for processing the cambered surface parts of the multiple workpieces is arranged on a rotary workbench or a rotary turntable on a numerical control milling machine by taking a calibration plane as a reference and is fixed; the numerical control milling machine adopts a numerical control milling machine with a rotary shaft or a multi-shaft numerical control milling machine;
2) A part 3 to be machined is placed in each rectangular groove 12 and is pressed by the arc-shaped pressing block 2, and the specific operation is as follows:
the part 3 to be processed is placed into the rectangular groove 12 of the fixture body, and accurate positioning of the part to be processed is realized by the side wall of the rectangular groove 12 and the edge cutting positioning mode of the edge of the part; and finally, positioning the arc-shaped pressing block 2 on the clamp body 1 through two pin shafts, and fixing the arc-shaped pressing block on the clamp body 1 through screws to realize clamping and fixing of the part to be processed. The distance from the cambered surface of each part to be processed to the center of the fixture body is consistent;
3) And starting a numerical control milling machine to process each part 3 to be processed by taking the center of the clamp body 1 as the origin of a processing coordinate system.
Claims (3)
1. A fixture for processing a plurality of workpiece cambered surface parts is characterized in that: the fixture comprises a cylindrical fixture body and an arc-shaped pressing block, wherein two end faces of the fixture body are parallel, and the parallelism is not more than 0.02mm; the two end faces of the clamp body are perpendicular to the axis; an annular groove is arranged on the side surface of the clamp body near one end; one end of the side surface of the clamp body is provided with a plurality of rectangular grooves, the bottom surface of each rectangular groove is a plane, and positioning convex blocks are arranged in each rectangular groove; an arc-shaped pressing block is arranged at the rectangular groove, and the end surface of the arc-shaped pressing block facing the positioning convex block is a concave cambered surface; the plurality of rectangular grooves are uniformly arranged along the circumferential direction; the other end of the side face of the clamp body is provided with a correction plane which is perpendicular to the end face of the clamp body.
2. The fixture for machining multi-workpiece cambered surface parts according to claim 1, which is characterized in that: the runout degree of the correction plane relative to the end face of the clamp body is not more than 0.025mm.
3. The fixture for machining multi-workpiece cambered surface parts according to claim 1, which is characterized in that: two positioning pin holes and a threaded hole are formed in the positioning lug, two pin holes and a threaded hole are formed in the arc-shaped pressing block, the two pin holes of the arc-shaped pressing block are connected with the two positioning pin holes in the positioning lug through two positioning pins, and the threaded hole is connected with the threaded hole through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321902052.9U CN220740213U (en) | 2023-07-19 | 2023-07-19 | Clamp for machining cambered surface parts of multiple workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321902052.9U CN220740213U (en) | 2023-07-19 | 2023-07-19 | Clamp for machining cambered surface parts of multiple workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220740213U true CN220740213U (en) | 2024-04-09 |
Family
ID=90566386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321902052.9U Active CN220740213U (en) | 2023-07-19 | 2023-07-19 | Clamp for machining cambered surface parts of multiple workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220740213U (en) |
-
2023
- 2023-07-19 CN CN202321902052.9U patent/CN220740213U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108058041B (en) | Clamping and positioning device for milling high-density fine-slit sheet structure | |
| CN110369958B (en) | Machining method of mechanical steam compressor special-shaped connecting plate | |
| CN111889821A (en) | Automatic centering and pressing device for machining inner gear ring and gear | |
| CN216029384U (en) | Milling machine fixture for special profile of blade | |
| CN220740213U (en) | Clamp for machining cambered surface parts of multiple workpieces | |
| CN202934376U (en) | Miller jig | |
| CN116833787A (en) | Clamp for machining multi-workpiece cambered surface part and machining method | |
| CN218017136U (en) | Rotary eccentric milling fixture | |
| CN215616555U (en) | Milling machine fixture for milling key slot on shaft | |
| CN109551273B (en) | Indexable clamp for removing allowance of inner back arc of rough machining blade | |
| CN213470372U (en) | Fixing device for machining multiple holes in fixing base | |
| CN220993592U (en) | Flexible positioning fixture | |
| CN206083939U (en) | A special fixture for processing hinge hole | |
| CN210255186U (en) | Milling machine processing tool clamp | |
| CN221290337U (en) | Adjustable clamping and fixing tool for machining cover plate type parts in vertical machining center | |
| CN209850384U (en) | Numerical control tool for smoke baffle | |
| CN215659073U (en) | CNC clamping jig for machining multi-surface grooves | |
| CN216781139U (en) | Planer-type milling machine is used for rectifying large-scale sheet material clamping positioning tool | |
| CN211615337U (en) | Frock clamp with multiple locate mode | |
| CN219005309U (en) | Multi-station clamp for machining small cylinder molded surface | |
| CN217800398U (en) | Hydraulic clamp for pump shaft milling | |
| CN210790030U (en) | Mould of numerical control lathe finish machining thin disc class work piece | |
| CN213764927U (en) | Four-axis fixture device | |
| CN215546826U (en) | Workpiece clamping device | |
| CN218017219U (en) | Sheet part machining tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |