CN211516818U - Novel thin-wall part planet carrier drilling and boring finish machining clamp - Google Patents
Novel thin-wall part planet carrier drilling and boring finish machining clamp Download PDFInfo
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- CN211516818U CN211516818U CN201921661786.6U CN201921661786U CN211516818U CN 211516818 U CN211516818 U CN 211516818U CN 201921661786 U CN201921661786 U CN 201921661786U CN 211516818 U CN211516818 U CN 211516818U
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Abstract
The utility model provides a novel thin-wall part planet carrier boring and boring finish machining clamp, which comprises a positioning mandrel, a positioning pin, a body, a connecting disc and a gland; the positioning mandrel is used for centering the reference hole of the planet carrier; the positioning pin is used for pre-positioning the planet carrier in the twisting direction; the body is of a circular boss structure, a plurality of fan-shaped convex blocks used for supporting the planet carrier are arranged on the upper surface of the body, the lower surface of the planet carrier flange is erected on the convex blocks, and a gland used for clamping the planet carrier flange is arranged on the upper surface of the flange; the central position of the upper surface of the body is also provided with a cylindrical bulge for supporting the planet carrier, the cylindrical bulge extends into the inner side of the planet carrier from the lower part, and the inside of the cylindrical bulge is also provided with a shaft hole corresponding to the positioning mandrel; the body and the gland are in transition connection through the connecting disc to clamp the planet carrier. A novel thin wall spare planet carrier bore hole finish machining anchor clamps, under the circumstances of guaranteeing the indeformable of work piece, improve the precision of boring hole processing.
Description
Technical Field
The utility model belongs to bore the finish machining field of bore hole, especially, relate to a novel thin wall spare planet carrier bores finish machining anchor clamps of bore hole.
Background
At present, most of clamps used in the field of finish machining of drilled and bored holes are internal expansion type drilled and bored hole clamps, and because a workpiece belongs to a thin-wall part structure, if hydraulic tensioning is adopted, the workpiece can be uncontrollably deformed, the hydraulic tensioning force is released after machining, the workpiece can rebound, and the hole diameter and the position of the drilled and bored hole are directly influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a novel thin wall spare planet carrier bores bore hole finish machining anchor clamps presss from both sides tightly to the outside flange that extends of planet carrier, simultaneously through positioning core axle and locating pin, has guaranteed to wait to process the accurate no deviation of centering of work piece, under the circumstances of guaranteeing the indeformable of work piece, improves the precision of boring the bore hole processing.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a novel thin-wall part planet carrier drilling and boring finish machining clamp comprises a positioning mandrel, a positioning pin, a body, a connecting disc and a gland.
The positioning mandrel is used for centering the reference hole of the planet carrier; the positioning pin is used for pre-positioning the planet carrier in the twisting direction.
The body, the connecting disc and the gland are used for clamping the outwards extending flange of the planet carrier.
The body is circular boss structure, and the body upper surface is equipped with a plurality of fan-shaped lugs that are used for supporting the planet carrier, and planet carrier flange lower surface erects on the lug, and the flange upper surface is equipped with the gland that is used for pressing from both sides tight planet carrier flange.
Body upper surface central point puts and still is equipped with the cylindrical arch that is used for supporting the planet carrier, and cylindrical arch stretches into to the planet carrier inboard from the below, the inside shaft hole that corresponds with the positioning core axle that still is equipped with of cylindrical arch.
The body and the gland are in transition connection through the connecting disc to clamp the planet carrier.
Furthermore, the connecting disc is of a circular ring structure, and the upper surface of the connecting disc is provided with a plurality of threaded holes for connecting the body
The upper surface of the connecting disc is also provided with a plurality of threaded holes for connecting a gland
The body and the gland are fixedly connected with the connecting disc through the quick-mounting bolts.
Further, the lower part of the body is also provided with a round bottom plate for fixing the body, and the body is fixedly connected with the bottom plate through bolts.
The bottom plate is further provided with a positioning seat, a positioning plate and a cover plate, the positioning seat is used for being connected with a positioning pin, the positioning seat is vertically arranged on the bottom plate, a groove used for placing the positioning plate is formed in the upper portion of the positioning seat, the positioning plate perpendicular to the positioning seat is arranged in the groove, one end of the positioning plate is slidably arranged in the groove in the upper portion of the positioning seat and is clamped through the cover plate arranged above the groove of the positioning seat, the other end of the positioning plate is provided with a through hole used for placing the.
Furthermore, a plurality of threaded holes for connecting the bottom plate are formed in a groove formed by the fan-shaped convex block and the cylindrical protrusion of the body.
And a plurality of threaded holes used for connecting the connecting disc are formed in the outer side of the fan-shaped convex block of the body, and the threaded holes are annularly distributed on the edge of the upper surface of the body.
Furthermore, the positioning mandrel is used for positioning a reference hole of the planet carrier, and the positioning pin is used for twisting and pre-positioning a pre-processing hole on the upper end face of the planet carrier.
Furthermore, the opening above the body is also provided with a dustproof plug for preventing sundries from entering the body.
Compared with the prior art, a novel thin wall spare planet carrier bore hole finish machining anchor clamps have following advantage:
the novel thin-wall part planet carrier boring and boring finish machining clamp has the advantages that in the process of boring and boring the planet carrier, the inner wall of a workpiece is not affected by any radial acting force, and the workpiece cannot deform during machining; compared with a manual pre-positioning mode of matching a tool turret with a tip, the method of using the twisted pre-positioning mode shortens the time by more than 10 times; the end face of the quick pressing structure is adopted for pressing, so that the workpiece is guaranteed to be stable and not to move under the action of the maximum reaming force; a positioning mandrel is adopted to center the reference hole of the workpiece, so that the centering precision is ensured to be free of deviation; because the upper end surface of the workpiece does not have any part interfering with the cutter, various cutters used for boring can finish each hole of the workpiece within the shortest length
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an assembly view of a novel thin-walled member planet carrier boring and finish machining fixture design assembly according to an embodiment of the present invention;
fig. 2 is a schematic assembly top view of a novel thin-walled member planet carrier boring and finishing jig design assembly according to an embodiment of the present invention;
fig. 3 is a perspective view of a novel thin-walled member planet carrier boring and finishing jig design assembly according to an embodiment of the present invention;
fig. 4 is a schematic view of a planet carrier according to an embodiment of the present invention;
fig. 5 is a schematic view of a body according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a connection pad according to an embodiment of the present invention;
fig. 7 is a schematic view of the upper surface of the gland according to the embodiment of the present invention;
fig. 8 is a schematic view of the lower surface of the gland according to the embodiment of the present invention;
fig. 9 is a schematic view of the positioning seat according to the embodiment of the present invention;
fig. 10 is a schematic view of a positioning plate according to an embodiment of the present invention;
fig. 11 is a schematic view of a positioning mandrel according to an embodiment of the present invention;
fig. 12 is a schematic view of a positioning pin according to an embodiment of the present invention;
fig. 13 is a schematic view of a cover plate according to an embodiment of the present invention;
fig. 14 is a schematic view of a dust plug according to an embodiment of the present invention.
Description of reference numerals:
1-a bottom plate; 2-body; 3-a connecting disc; 4-pressing the cover; 5, positioning a mandrel; 6-positioning pins; 7-dust plug; 8-positioning seat; 9-positioning plate; 10-a cover plate; 11-a planet carrier; 12-a bump; 13-a cylindrical protrusion; 14-flange.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A novel thin-wall part planet carrier 11 drilling and boring finish machining clamp comprises a positioning mandrel 5, a positioning pin 6, a body 2, a connecting disc 3 and a gland 4. The positioning mandrel 5 is used for centering a reference hole of the planet carrier 11; the positioning pin 6 is used for pre-positioning the planet carrier 11 in the twisting direction. The body 2, the connecting disc 3 and the gland 4 are used for clamping an outwardly extending flange 14 of the planet carrier 11; because of the work piece belongs to thin wall spare structure, current prior art rises tightly for adopting hydraulic pressure, can lead to the work piece to produce uncontrollable deformation, and the power that rises is loosened to the processing back liquid, and the work piece can produce resilience phenomenon, the utility model provides an anchor clamps have avoided the deformation of work piece, the deuterogamy the utility model provides a positioning core axle 5 and locating pin 6 directly press from both sides tightly work piece flange 14 under the circumstances of having guaranteed the precision.
Meanwhile, because the workpiece is provided with the initial hole (8-phi 8.2, 8-phi 13.6) before boring, twisting pre-positioning is needed before machining, but the thickness of the workpiece is too thick, if the positioning pin 6 is used for plug-in pre-positioning, only the pre-positioning hole can be machined on a positioning disc below the clamp or a mandrel, so that the length of the positioning pin 6 is certainly longer than the thickness of the workpiece, and the twisting positioning is inaccurate; furthermore, influenced by anchor clamps structure, if need to realize manual rising and tightly rise, anchor clamps must design for can manually twist the pull rod that presses the cover that rises, and the pull rod needs to design for the hexagon socket head structure, guarantee to twist and press the cover that rises and realize rising and tightly, and bore the bore hole process for guaranteeing to process back hole roughness (Rz2.5) requirement, need use the reaming sword to carry out finish machining at last, and work piece thickness is directly restricting the size of reamer axial machining depth, and the existence of anchor clamps upper end pull rod, the length that undoubtedly makes the reamer need stretch out the hydraulic pressure handle of a knife is longer, the reamer stretches out longer, the rigidity can be lower, the stability in 8 hole reaming about the direct influence, the utility model provides an utilize mobilizable positioning core axle 5 and locating pin 6 to carry out the scheme of fixing a position to the work piece.
Still be equipped with positioning seat 8, locating plate 9 and the apron 10 that are used for connecting locating pin 6 on the bottom plate 1, positioning seat 8 sets up perpendicularly on bottom plate 1, and positioning seat 8 top is equipped with the recess that is used for placing locating plate 9, and locating plate 9 with positioning seat 8 vertically sets up in the recess, and 9 one end slidable mounting of locating plate presss from both sides tightly in the recess of 8 tops of positioning seat and through the apron 10 that sets up above the recess of positioning seat 8, and the other end of locating plate 9 is equipped with and is used for placing 6 through-holes of locating pin, and 6 vertical settings of locating pin are in the through-hole, and 8 bottoms of positioning seat pass through bolt and 1 fixed connection of bottom plate, when anchor clamps press from both sides tight work piece, say that positioning seat 8.
A plurality of threaded holes for connecting the connecting disc 3 are formed along the outer side of the fan-shaped convex block 12 of the body 2, and the threaded holes are annularly distributed on the edge of the upper surface of the body 2; the positioning mandrel 5 is used for positioning a reference hole of the planet carrier 11, and the positioning pin 6 is used for twisting and pre-positioning a pre-processing hole on the upper end face of the planet carrier 11. The opening above the body 2 is also provided with a dustproof plug 7 for preventing sundries from entering the body 2.
Novel 11 bores hole finish machining anchor clamps of thin wall spare planet carrier specific use steps as follows:
s1, placing the workpiece on the positioning end face (the reference hole is not centered at the moment);
s2, inserting the positioning mandrel 5 with the taper along the workpiece datum hole, and realizing the clearance fit of the shaft hole between the lower end of the positioning mandrel 5 and the inner hole of the positioning body 2, wherein the clearance is not more than 0.01cm, and the taper part of the positioning mandrel 5 is attached to the workpiece datum hole without clearance, so as to ensure the centering of the workpiece datum hole;
s3, sliding the twisting positioning pin 6 to the upper part of the pre-processing hole on the upper end face of the workpiece along the positioning plate 9 at the upper end of the right side (which can be vertical to the axial direction of the workpiece), inserting the positioning pin 6, and realizing the pre-positioning in the twisting direction;
s4, screwing and pressing the gland 4 with the quick pressing structure on the fixed workpiece;
s5, pulling out the taper positioning mandrel 5, simultaneously pulling out the twisting positioning pin 6, and transversely pulling out the positioning plate 9;
and S6, starting the machining after starting.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel thin wall spare planet carrier bores bore hole finish machining anchor clamps which characterized in that: the positioning device comprises a positioning mandrel (5), a positioning pin (6), a body (2), a connecting disc (3) and a gland (4);
the positioning mandrel (5) is used for centering a reference hole of the planet carrier (11); the positioning pin (6) is used for pre-positioning the planet carrier (11) in the twisting direction;
the body (2), the connecting disc (3) and the gland (4) are used for clamping an outwardly extending flange (14) of the planet carrier (11);
the planet carrier is characterized in that the body (2) is of a circular boss structure, a plurality of fan-shaped convex blocks (12) used for supporting the planet carrier (11) are arranged on the upper surface of the body (2), the lower surface of a flange (14) of the planet carrier (11) is erected on the convex blocks (12), and a gland (4) used for clamping the flange (14) of the planet carrier (11) is arranged on the upper surface of the flange (14);
the central position of the upper surface of the body (2) is also provided with a cylindrical bulge (13) for supporting the planet carrier (11), the cylindrical bulge (13) extends into the inner side of the planet carrier (11) from the lower part, and a shaft hole corresponding to the positioning mandrel (5) is also arranged in the cylindrical bulge (13);
the body (2) and the gland (4) are in transition connection through the connecting disc (3) to clamp the planet carrier (11).
2. The novel thin-walled member planet carrier boring finish machining clamp of claim 1, is characterized in that: the connecting disc (3) is of a circular ring structure, and the upper surface of the connecting disc (3) is provided with a plurality of threaded holes for connecting the body (2);
the upper surface of the connecting disc (3) is also provided with a plurality of threaded holes for connecting the gland (4);
the body (2) and the gland (4) are fixedly connected with the connecting disc (3) through quick-assembly bolts.
3. The novel thin-walled member planet carrier boring finish machining clamp of claim 1, is characterized in that: the lower part of the body (2) is also provided with a round bottom plate (1) for fixing the body (2), and the body (2) is fixedly connected with the bottom plate (1) through bolts;
still be equipped with positioning seat (8), locating plate (9) and apron (10) that are used for connecting locating pin (6) on bottom plate (1), positioning seat (8) set up perpendicularly on bottom plate (1), and positioning seat (8) top is equipped with the recess that is used for placing locating plate (9), sets up in the recess with positioning seat (8) vertically locating plate (9), and locating plate (9) one end slidable mounting is tight in the recess of positioning seat (8) top and through setting up apron (10) in positioning seat (8) recess top clamp, and locating plate (9) other end is equipped with and is used for placing locating pin (6) through-hole, and locating pin (6) set up perpendicularly in the through-hole.
4. The novel thin-walled member planet carrier boring finish machining clamp of claim 1, is characterized in that: a plurality of threaded holes for connecting the bottom plate (1) are formed in a groove formed by the fan-shaped convex block (12) and the cylindrical protrusion (13) of the body (2);
a plurality of threaded holes used for connecting the connecting disc (3) are formed in the outer side of the fan-shaped convex block (12) of the body (2), and the threaded holes are annularly distributed on the edge of the upper surface of the body (2).
5. The novel thin-walled member planet carrier boring finish machining clamp of claim 1, is characterized in that: the positioning mandrel (5) is used for positioning a reference hole of the planet carrier (11), and the positioning pin (6) is used for pre-positioning a pre-processing hole on the upper end face of the planet carrier (11).
6. The novel thin-walled member planet carrier boring finish machining clamp of claim 1, is characterized in that: the opening above the body (2) is also provided with a dustproof plug (7) for preventing sundries from entering the body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661786.6U CN211516818U (en) | 2019-09-30 | 2019-09-30 | Novel thin-wall part planet carrier drilling and boring finish machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921661786.6U CN211516818U (en) | 2019-09-30 | 2019-09-30 | Novel thin-wall part planet carrier drilling and boring finish machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211516818U true CN211516818U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921661786.6U Active CN211516818U (en) | 2019-09-30 | 2019-09-30 | Novel thin-wall part planet carrier drilling and boring finish machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211516818U (en) |
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- 2019-09-30 CN CN201921661786.6U patent/CN211516818U/en active Active
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