CN219335983U - Tool for turning cylinder on special-shaped piece - Google Patents
Tool for turning cylinder on special-shaped piece Download PDFInfo
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- CN219335983U CN219335983U CN202223598363.9U CN202223598363U CN219335983U CN 219335983 U CN219335983 U CN 219335983U CN 202223598363 U CN202223598363 U CN 202223598363U CN 219335983 U CN219335983 U CN 219335983U
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- step hole
- pin shaft
- diamond
- base
- shaped
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Abstract
The utility model discloses a tool for turning a cylinder on a special-shaped piece, which comprises: taper shank, base, balance block, cushion block, diamond pin, round pin, big nut, small nut, bolt, screw; the base is connected to the top of the taper shank by a screw, a first step hole is formed in the edge of the base, and a second step hole matched with the taper shank and the round pin shaft is formed in the center of the base; the rear part of the cushion block is provided with a third step hole, the front part of the cushion block is provided with a fourth step hole, the diamond-shaped pin shaft is arranged in the first step hole and the third step hole, and the upper end of the diamond-shaped pin shaft is provided with a large nut; the round pin shaft is arranged in the second step hole and the fourth step hole, and the upper end of the round pin shaft is provided with a small nut; the balance weight is connected to the base by bolts. The utility model processes the cylinder on the special-shaped piece by the common lathe, which not only has high production efficiency, but also has higher dimensional accuracy and roughness of the processed excircle.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a tool for turning a cylinder on a special-shaped piece.
Background
The rocker arm of a special-shaped part is similar to a bird in appearance, the head part is provided with a thin cylinder phi 16f7mm, the distance between the cylinder and a reference hole is 55+/-0.1 mm, the roughness requirement is high, and the number of parts is large. Although the processing of the cylinder can be completed, the parts are small, the size of the processing part is small, the processing speed is low, the occupied equipment time is long, the processing efficiency is low, and the surface quality is poor.
This can be avoided if the turning of the cylindrical portion is changed to a common lathe. Because lathe tools are easy to fasten and can be used at higher speeds, there is no tool to process such workpieces, as long as there is a suitable tool.
Disclosure of Invention
The utility model aims to provide a tool for turning a cylinder on a special-shaped piece, which is used for machining the cylinder on the special-shaped piece by an ordinary lathe, and has the advantages of high production efficiency, and higher dimensional accuracy and roughness of the machined outer circle.
The technical proposal is as follows:
a frock for turning cylinder on dysmorphism piece includes: taper shank, base, balance block, cushion block, diamond pin, round pin, big nut, small nut, bolt, screw; the base is connected to the top of the taper shank by a screw, a first step hole is formed in the edge of the base, and a second step hole matched with the taper shank and the round pin shaft is formed in the center of the base; the rear part of the cushion block is provided with a third step hole, the front part of the cushion block is provided with a fourth step hole, the diamond-shaped pin shaft is arranged in the first step hole and the third step hole, and the upper end of the diamond-shaped pin shaft is provided with a large nut; the round pin shaft is arranged in the second step hole and the fourth step hole, and the upper end of the round pin shaft is provided with a small nut; the balance weight is connected to the base by bolts.
Further, a small cylindrical pin is arranged between the round pin shaft and the second step hole, and a large cylindrical pin is arranged between the diamond-shaped pin shaft and the first step hole.
Further, a large gasket is arranged on the inner side of the large nut of the diamond-shaped pin shaft, and a small gasket is arranged on the inner side of the small nut of the round pin shaft.
Further, the cushion block is provided with a plurality of first threaded holes, the bottom plate is provided with a plurality of second threaded holes, and the positions of the first threaded holes and the second threaded holes are opposite.
Further, the balance weight is of an arc plate-shaped structure.
Further, the diamond-shaped pin shaft is of a step shaft structure, and the small end of the diamond-shaped pin shaft is provided with threads; the round pin axle is of a step axle structure, and the small end is provided with threads.
Compared with the prior art, the utility model has the following advantages:
the utility model firmly fastens the workpiece, and the special-shaped workpiece is machined by the common lathe, so that the production efficiency is high, the dimensional accuracy and the roughness of the machined outer circle are high, the superiority of the common lathe in machining the workpiece is prominently reflected, the utilization rate of the lathe is improved, the contradiction of idle of most common lathes is solved, the external coordination is reduced, the cost is reduced, and the utility model has important significance.
Drawings
FIG. 1 is a schematic structural view of a tooling for turning a cylinder on a profile in the present utility model;
fig. 2 is a schematic cross-sectional view of a cylinder for turning a profile according to the present utility model.
Detailed Description
The following description fully illustrates the specific embodiments of the utility model to enable those skilled in the art to practice and reproduce it.
FIG. 1 is a schematic structural view of a tool for turning a cylinder on a profile in the present utility model; fig. 2 is a schematic cross-sectional structure of a cylinder for turning a profile according to the present utility model.
A frock for turning cylinder on dysmorphism piece includes: taper shank 1, base 2, balancing piece 3, cushion 4, diamond round pin axle 5, round pin axle 6, big nut 10, little nut 11, bolt 13, screw 14. The base 2 is connected to the top of the taper shank 1 by a screw 14, a first step hole is formed in the edge of the base 2, and a second step hole matched with the taper shank 1 and the round pin shaft 6 is formed in the center of the base 2; the rear part of the cushion block 4 is provided with a third step hole, the front part is provided with a fourth step hole, the diamond-shaped pin shaft 5 is arranged in the first step hole and the third step hole, and the upper end of the diamond-shaped pin shaft is provided with a large nut 10; the round pin shaft 6 is arranged in the second step hole and the fourth step hole, and the upper end of the round pin shaft is provided with a small nut 11; the weight 3 is connected to the base 2 by bolts 13.
A small cylindrical pin 8 is arranged between the round pin shaft 6 and the second step hole, a large cylindrical pin 7 is arranged between the diamond-shaped pin shaft 5 and the first step hole, and the small cylindrical pin 8 and the large cylindrical pin 7 are used for preventing the round pin shaft 6 and the diamond-shaped pin shaft 5 from rotating.
The large gasket 9 is arranged on the inner side of the large nut 10, and the small gasket 12 is arranged on the inner side of the diamond-shaped pin shaft 5.
The hole size precision H7 of the second step hole, the hole size precision H7 of the first step hole, the hole distance of the two groups of hole systems is the workpiece hole distance, and the tolerance is controlled to be 0.02mm; the cushion block 4 is provided with a plurality of first threaded holes, the bottom plate 15 is provided with a plurality of second threaded holes, and the position and the size are consistent with those of the threaded through holes on the taper shank 1.
The balance weight 3 is of an arc plate-shaped structure, is provided with 2 threaded through holes, and has the same pitch as two threaded holes on the base 2. The external dimension of the balance weight 3 is determined by dynamic balance calculation.
The roughness Ra0.8μm is ensured by processing the upper and lower surfaces of the cushion block 4.
The diamond pin shaft 5 is of a step shaft structure, the small end of the diamond pin shaft is provided with threads, the dimensional precision n6 of the positioning part of the middle and the base 2 and the dimensional precision f7 of the positioning part of the workpiece are not more than 0.02mm in coaxiality. And the circumferential surface of the workpiece positioning portion is processed into a diamond shape.
The round pin shaft 6 is of a step shaft structure, the small end of the round pin shaft is provided with threads, the dimensional precision n6 of the positioning part of the middle and the base 2 and the dimensional precision f7 of the positioning part of the workpiece are not more than 0.02mm in coaxiality.
The large cylindrical pin 7 and the small cylindrical pin 8 adopt GB/T119.2 structures. The large nut 10 and the small nut 11 are of GB/T6172 structure. The bolt 13 adopts a GB/T5782 structure. The screw 14 is of GB/T70.1 structure.
Assembling a tool: firstly, mounting a round pin shaft 6 and a diamond pin shaft 5 on a base 2, and respectively preparing anti-rotation pin holes after adjusting in place; and then driving the small cylindrical pins 8 and the large cylindrical pins 7 respectively, and carrying out mortise-locking. The whole is then assembled with the taper shank 1, adjusted in place, and then screwed 14. And installing the balance weight 3, and installing a bolt 13 to fix the balance weight 3. The cushion block 4 is installed again, and the screws 14 are installed and tightened.
Preparation before processing: the chuck of the common lathe is taken down, the taper shank end of the tool is placed in a lathe spindle hole, the tool is rotated until the taper shank end is fixed, then a workpiece 17 is penetrated by aiming at a round pin shaft 6 and a diamond pin shaft 5 on the tool, the workpiece is tightly attached to the upper surface of a backing plate 4, and a large nut 10, a large gasket 9, a small gasket 12 and a small nut 11 are respectively placed in the tool, and are screwed by a spanner after being manually screwed. An excircle turning tool is arranged on the tool rest to ensure that the tool nose and the center of the cylinder to be machined of the workpiece are at the same height.
Starting processing: turning according to the rough turning-finish turning steps, and turning according to cutting parameters of common materials. And after the machining is finished, the large nut 10, the large gasket 9, the small gasket 12 and the small nut 11 are screwed out, and the workpiece 17 is taken down.
The terminology used herein is for the purpose of description and illustration only and is not intended to be limiting. As the present utility model may be embodied in several forms without departing from the spirit or essential attributes thereof, it should be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalences of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (6)
1. A frock for turning cylinder on dysmorphism piece, its characterized in that includes: taper shank, base, balance block, cushion block, diamond pin, round pin, big nut, small nut, bolt, screw; the base is connected to the top of the taper shank by a screw, a first step hole is formed in the edge of the base, and a second step hole matched with the taper shank and the round pin shaft is formed in the center of the base; the rear part of the cushion block is provided with a third step hole, the front part of the cushion block is provided with a fourth step hole, the diamond-shaped pin shaft is arranged in the first step hole and the third step hole, and the upper end of the diamond-shaped pin shaft is provided with a large nut; the round pin shaft is arranged in the second step hole and the fourth step hole, and the upper end of the round pin shaft is provided with a small nut; the balance weight is connected to the base by bolts.
2. The tooling for turning the cylinder on the special-shaped piece according to claim 1, wherein a small cylindrical pin is arranged between the round pin shaft and the second step hole, and a large cylindrical pin is arranged between the diamond-shaped pin shaft and the first step hole.
3. The tooling for turning a cylinder on a profiled element as defined in claim 1, wherein a large washer is mounted inside a large nut of a diamond pin and a small washer is mounted inside a small nut of a round pin.
4. Tool for turning cylinder on special-shaped piece according to claim 1, characterized in that the spacer is provided with a plurality of first threaded holes, the bottom plate is provided with a plurality of second threaded holes, the first threaded holes and the second threaded holes are located opposite to each other.
5. Tool for turning cylinder on special-shaped piece according to claim 1, characterized in that the counter weight is of arc-shaped plate-like structure.
6. The tooling for turning the cylinder on the special-shaped piece according to claim 1, wherein the diamond-shaped pin shaft is of a step shaft structure, and the small end of the diamond-shaped pin shaft is provided with threads; the round pin axle is of a step axle structure, and the small end is provided with threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223598363.9U CN219335983U (en) | 2022-12-31 | 2022-12-31 | Tool for turning cylinder on special-shaped piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223598363.9U CN219335983U (en) | 2022-12-31 | 2022-12-31 | Tool for turning cylinder on special-shaped piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219335983U true CN219335983U (en) | 2023-07-14 |
Family
ID=87110880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223598363.9U Active CN219335983U (en) | 2022-12-31 | 2022-12-31 | Tool for turning cylinder on special-shaped piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219335983U (en) |
-
2022
- 2022-12-31 CN CN202223598363.9U patent/CN219335983U/en active Active
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