CN210909499U - Floating honing fixture for high-precision hole machining - Google Patents
Floating honing fixture for high-precision hole machining Download PDFInfo
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- CN210909499U CN210909499U CN201921719584.2U CN201921719584U CN210909499U CN 210909499 U CN210909499 U CN 210909499U CN 201921719584 U CN201921719584 U CN 201921719584U CN 210909499 U CN210909499 U CN 210909499U
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- bottom plate
- floating
- honing
- supporting plate
- plate
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- 238000003754 machining Methods 0.000 title claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000013508 migration Methods 0.000 claims description 7
- 230000005012 migration Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a floating honing fixture for high-precision hole machining, which comprises a bottom plate, a positioning seat and a lower supporting plate, wherein the lower supporting plate is used for fixedly installing the positioning seat; the gap adjusting ring is positioned between the bottom plate and the lower supporting plate and is connected with the bottom plate through threads; the X-direction floating assembly comprises a pair of X-direction vertical plates, and the X-direction vertical plates are fixedly arranged on two sides of the X direction of the bottom plate; the Y-direction floating assembly comprises a pair of Y-direction vertical plates, and the Y-direction vertical plates are fixedly arranged on two sides of the lower supporting plate in the Y direction; go up the backup pad, be located X direction riser inboard and be located the Y direction riser outside. The utility model discloses simple structure, convenient operation, the adjustment is simple swift. The part is placed on the positioning seat, the pressing plate tightly presses the part, and when the honing cutter performs honing, the part can float and adjust the state of the part according to the actual state of the cutter, so that the coaxiality of the honing hole of the part and the cutter is ensured.
Description
Technical Field
The utility model relates to a high accuracy spot facing work is with honing anchor clamps that float belongs to the mechanical fixture field.
Background
In the processing process of the part, the hole to be honed is processed together with other characteristics of the part before the honing process, and certain processing allowance is reserved for the honing process. Honing holes of general parts are evaluation references of the parts, and from the requirement of dimensional accuracy of the parts, honing needs to be conducted along the axial direction of the holes to be honed as much as possible, so that the influence on form and position tolerance of the parts is reduced as much as possible, and the influence on perpendicularity caused by factors such as honing process equipment, cutters and clamps needs to be reduced as much as possible during honing. However, in the existing process and clamp, the flatness of the clamp, the parallelism of the clamp and the working table of the equipment, the verticality of the main shaft of the equipment and the working table, the honing tool and the like are easy to be out of tolerance, and the machined product honing hole has influence on the sizes such as roundness, cylindricity and the like of the honing hole, thus influencing the yield of production and having greater quality risk.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: problem and not enough to exist among the prior art, the utility model provides a honing anchor clamps that float of simple structure, stability height, easy operation.
The technical scheme is as follows: high accuracy spot facing work is with honing anchor clamps that float, including bottom plate and positioning seat, its characterized in that: further comprising: the lower supporting plate is used for fixedly installing the positioning seat; the gap adjusting ring is positioned between the bottom plate and the lower supporting plate, fixedly connected with the lower supporting plate and the positioning seat through shafts and connected with the bottom plate through threads; the X-direction floating assembly comprises a pair of X-direction vertical plates, and the X-direction vertical plates are fixedly arranged on two sides of the X direction of the bottom plate; the Y-direction floating assembly comprises a pair of Y-direction vertical plates, and the Y-direction vertical plates are fixedly arranged on two sides of the lower supporting plate in the Y direction; go up the backup pad, be located X direction riser inboard just is located the Y direction riser outside.
The utility model discloses the technical scheme who further injects does: the floating assembly of X direction still includes X direction round pin axle, X direction bearing and first spacer pin, X direction bearing install in the X direction riser, X direction round pin axle passes in proper order X direction bearing hole and last backup pad are spacing with the horizontal migration and the X axial rotation of realizing the X direction through first spacer pin, because the center of part hole and cutter is inconsistent during part honing process, and cutting force can make anchor clamps float, guarantees the uniformity at hole and cutter center, and anchor clamps have horizontal migration and rotation.
Further, the floating assembly in the X direction further comprises an X direction adjusting screw installed on the vertical plate in the X direction, and a screw hole of the X direction adjusting screw corresponds to the side wall of the upper supporting plate.
Furthermore, the Y-direction floating assembly further comprises a Y-direction pin shaft, a Y-direction bearing and a second limit pin; y direction bearing fixed mounting is on last backup pad, Y direction round pin axle passes in proper order go up backup pad bearing hole and Y direction riser and spacing horizontal migration and the axial rotation of Y in order to realize the Y direction through the second spacer pin.
Further, the Y-direction floating assembly further comprises a Y-direction adjusting screw installed on the upper supporting plate, and the screw hole of the Y-direction adjusting screw corresponds to the side wall of the Y-direction vertical plate.
Furthermore, the device also comprises a pressure plate which is fixedly arranged on one diagonal of the lower support plate through a pressure plate bracket.
Furthermore, the clearance adjusting ring is of an annular structure with a T-shaped longitudinal section, the upper part of the T-shaped annular structure is supported on the upper surface of the bottom plate, the lower part of the T-shaped annular structure is arranged in a cylindrical space in the middle of the bottom plate, external threads are arranged at the lower end of the clearance adjusting ring, internal threads are arranged in the middle of the bottom of the clearance adjusting ring, and the clearance adjusting ring is connected with the bottom plate through threads.
Has the advantages that: compared with the prior art, the utility model discloses simple structure, convenient operation places a whole set of anchor clamps that float at lathe table surface, and the adjustment is simple swift. The part is placed on the positioning seat, the pressing plate tightly presses the part, and when the honing cutter performs honing, the part can float and adjust the state of the part according to the actual state of the cutter, so that the coaxiality of the honing hole of the part and the cutter is ensured. The influence of the precision of the clamp and the positioning error of the part on the honing process is solved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
in the figure: 1-bottom plate, 2-X direction vertical plate, 3-upper supporting plate, 4-X direction pin shaft, 5-X direction adjusting screw, 6-Y direction pin shaft, 7-Y direction adjusting screw, 8-Y direction vertical plate, 9-positioning seat, 10-clearance adjusting ring, 11-pressing plate bracket, 12-pressing plate, 13-X direction limiting pin, 14-lower supporting plate and 15-X direction bearing.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 3, the present embodiment provides a floating honing jig for high-precision hole machining, which includes a base plate 1 and a positioning seat 9, and further includes:
the lower supporting plate 14 is used for fixedly mounting the positioning seat 9; and the clearance adjusting ring 10 is positioned between the bottom plate 1 and the lower supporting plate 14 and is connected with the bottom plate 1 through threads.
The X-direction floating assembly comprises a pair of X-direction vertical shafts 2, an X-direction pin shaft 4, an X-direction bearing 15 and a first limiting pin 13. Wherein X direction bearing 15 install in X direction riser 2, X direction round pin axle 4 passes in proper order X direction bearing hole and last backup pad 3 and spacing horizontal migration and the X axial rotation in order to realize the X direction through first spacer pin 13, X direction riser fixed mounting just is located the outside of backup pad 3 in bottom plate X direction both sides.
Preferably, the X-direction floating assembly further includes an X-direction adjusting screw 5 mounted on the X-direction riser, and a screw hole of the X-direction adjusting screw corresponds to a sidewall of the upper support plate. And adjusting the central position of the positioning seat in the X direction through the X-direction adjusting screw, and reserving the movement amount of the X direction between the X-direction adjusting screw and the side edge of the first vertical plate after the central position is adjusted. According to the characteristics of the honing hole of the part, the cutter and the process, the floating amount in the X direction can be adjusted by adjusting the screw in the X direction, so that the stability and the dimensional accuracy of honing processing are ensured.
The structure of the embodiment also comprises a Y-direction floating assembly, which comprises a pair of Y-direction vertical plates 8, a Y-direction pin shaft 6, a Y-direction bearing and a second limit pin; y direction bearing fixed mounting is on last backup pad, Y direction round pin axle passes in proper order go up backup pad bearing hole and Y direction riser and spacing horizontal migration and the axial rotation of Y in order to realize the Y direction through the second spacer pin, Y direction riser fixed mounting just is located the inboard of backup pad 3 in the Y direction both sides of bottom suspension fagging 14.
Preferably, the Y-direction floating assembly further comprises a Y-direction adjusting screw 7 mounted on the upper support plate 3, and a screw hole of the Y-direction adjusting screw corresponds to a side wall of the Y-direction riser. And the Y-direction central position of the positioning seat is adjusted through the Y-direction adjusting screw, and after the central position is adjusted, the Y-direction adjusting screw and the side edge of the upper supporting plate reserve the movement amount in the Y direction. According to the characteristics of the honing hole of the part, the cutter and the process, the floating amount in the Y direction can be adjusted by adjusting the screw in the Y direction, so that the stability and the dimensional accuracy of honing processing are ensured.
Preferably, the present embodiment further includes a pressure plate 12 fixedly mounted on a diagonal of the lower support plate by a pressure plate bracket 11. After the part is placed on the positioning seat, the part is pressed tightly through the pressing plate.
The X-direction floating assembly of the embodiment is arranged on the first vertical plate; the Y-direction floating assembly is arranged on the upper supporting plate; the floating of the part is finally realized by realizing the horizontal movement of the part X, Y in the direction and the swinging of the part around the X, Y axis through the X-direction floating assembly and the Y-direction floating assembly.
Preferably, the gap adjusting ring 10 is in threaded connection with the bottom plate, the swing amount of the XY axis of the lower clamp is adjusted by adjusting the gap adjusting ring, the proper swing amount is adjusted according to the characteristics of the part honing hole, the cutter and the process, and the stability and the dimensional accuracy of honing processing are ensured.
The utility model discloses reduced because the influence that the part clamping brought for the honing precision, in the part honing course of working, through the unsteady of anchor clamps, can guarantee honing cutter and part and treat the axiality of processing hole axis, guarantee the precision of part honing processing, overall structure is simple, and the positioning seat only need be changed to different parts, has reduced anchor clamps input cost, has improved product switching efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (7)
1. High accuracy spot facing work is with honing anchor clamps that float, including bottom plate and positioning seat, its characterized in that: further comprising:
the lower supporting plate is used for fixedly installing the positioning seat;
the gap adjusting ring is positioned between the bottom plate and the lower supporting plate and is connected with the bottom plate through threads;
the X-direction floating assembly comprises a pair of X-direction vertical plates, and the X-direction vertical plates are fixedly arranged on two sides of the X direction of the bottom plate;
the Y-direction floating assembly comprises a pair of Y-direction vertical plates, and the Y-direction vertical plates are fixedly arranged on two sides of the lower supporting plate in the Y direction;
go up the backup pad, be located X direction riser inboard just is located the Y direction riser outside.
2. The floating honing jig for high-precision hole machining according to claim 1, wherein: the X direction subassembly that floats still includes X direction round pin axle, X direction bearing and first spacer pin, X direction bearing install in the X direction riser, X direction round pin axle passes in proper order X direction bearing hole and last backup pad are spacing with the horizontal migration and the X axial rotation of realization X direction through first spacer pin.
3. The floating honing jig for high-precision hole machining according to claim 2, wherein: the X direction floating assembly further comprises an X direction adjusting screw installed on the X direction vertical plate, and the screw hole of the X direction adjusting screw corresponds to the side wall of the upper supporting plate.
4. The floating honing jig for high-precision hole machining according to claim 3, wherein: the Y-direction floating assembly further comprises a Y-direction pin shaft, a Y-direction bearing and a second limiting pin; y direction bearing fixed mounting is on last backup pad, Y direction round pin axle passes in proper order go up backup pad bearing hole and Y direction riser and spacing horizontal migration and the axial rotation of Y in order to realize the Y direction through the second spacer pin.
5. The floating honing jig for high-precision hole machining according to claim 4, wherein: y direction floating assembly is still including installing the Y direction adjusting screw on last backup pad, the screw hole of Y direction adjusting screw corresponds the lateral wall of Y direction riser.
6. The floating honing jig for high-precision hole machining according to claim 5, wherein: the pressing plate fixing device further comprises a pressing plate fixedly arranged on one diagonal of the lower supporting plate through a pressing plate bracket.
7. The floating honing jig for high-precision hole machining according to claim 6, wherein: the gap adjusting ring is of an annular structure with a T-shaped longitudinal section, the upper part of the T-shaped annular structure is supported on the upper surface of the bottom plate, the lower part of the T-shaped annular structure is arranged in a cylindrical space in the middle of the bottom plate, and the gap adjusting ring is connected with the bottom plate through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921719584.2U CN210909499U (en) | 2019-10-14 | 2019-10-14 | Floating honing fixture for high-precision hole machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921719584.2U CN210909499U (en) | 2019-10-14 | 2019-10-14 | Floating honing fixture for high-precision hole machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210909499U true CN210909499U (en) | 2020-07-03 |
Family
ID=71354682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921719584.2U Active CN210909499U (en) | 2019-10-14 | 2019-10-14 | Floating honing fixture for high-precision hole machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210909499U (en) |
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2019
- 2019-10-14 CN CN201921719584.2U patent/CN210909499U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213011 No.313, Wuyi Road, Changzhou City, Jiangsu Province Patentee after: CRRC CHANGZHOU AUTO PARTS CO.,LTD. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213011 No.313, Wuyi Road, Changzhou City, Jiangsu Province Patentee before: CRRC CHANGZHOU AUTO PARTS CO.,LTD. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |