CN220128149U - Special tool for turning of excircle eccentric workpiece - Google Patents
Special tool for turning of excircle eccentric workpiece Download PDFInfo
- Publication number
- CN220128149U CN220128149U CN202321420713.4U CN202321420713U CN220128149U CN 220128149 U CN220128149 U CN 220128149U CN 202321420713 U CN202321420713 U CN 202321420713U CN 220128149 U CN220128149 U CN 220128149U
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- CN
- China
- Prior art keywords
- eccentric
- semicircle
- turning
- fupan
- hole
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 229920004449 Halon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model discloses a special tool for turning an outer circle eccentric workpiece, which solves the problems of difficult turning, poor precision, high cost and low efficiency of the existing outer circle eccentric workpiece. The technical scheme includes that the novel anti-theft lock comprises a Ha Fupan provided with an inner hole and an end face sleeve provided with an inner spigot, wherein the inner hole of the Ha Fupan and the inner spigot of the end face sleeve are respectively composed of an upper semicircle of a perfect circle and a lower semicircle of an eccentric circle, and the centers of the wall surfaces of the upper semicircle and the lower semicircle are symmetrically provided with an adjusting mechanism; the outer circumference of Ha Fupan is evenly provided with a plurality of clamping grooves. The utility model has the advantages of simple structure, convenient adjustment, good repeatability, high processing precision, low cost, suitability for mass production and high processing efficiency.
Description
Technical Field
The utility model belongs to the technical field of machining, and particularly relates to a special tool for turning an excircle eccentric workpiece.
Background
Usually, the turning processing of the excircle eccentric workpiece is mainly performed by drilling eccentric center holes on two end surfaces of the workpiece. And a cross line of the eccentric center hole is drawn at two ends of the workpiece according to the eccentricity, and the eccentric center hole is drilled and bored. And according to the eccentric center holes at the two ends of the top during scribing and turning, the turning of the eccentric excircle is realized. If the method is adopted, the eccentric workpiece of the outer circle needs to be drilled with two times of central holes, namely a positive central hole, the outer circle is firstly turned, then the eccentric central hole is drilled according to the eccentricity, the eccentric central hole is propped up during processing, and the eccentric outer circle is turned. The method has low machining efficiency, is easy to drill deflection and low in precision when the eccentric center hole is drilled, and is difficult to ensure the eccentric distance precision requirement and the machining efficiency low for products with high eccentric distance precision requirement and mass production, and the eccentric center hole is required to be repaired again to meet the eccentric distance requirement, so that the machining cost can be increased.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides the special tool for turning the excircle eccentric workpiece, which has the advantages of extremely simple structure, convenient adjustment, good repeatability, high machining precision and low cost, is suitable for mass production and has high machining efficiency.
The utility model relates to a special tool for turning an outer circle eccentric workpiece, which comprises Ha Fupan provided with an inner hole and an end surface sleeve provided with an inner spigot, wherein the inner hole of Ha Fupan and the inner spigot of the end surface sleeve are respectively and correspondingly formed by an upper semicircle of a perfect circle and a lower semicircle of an eccentric circle, and the centers of the wall surfaces of the upper semicircle and the lower semicircle are symmetrically provided with adjusting mechanisms; the outer circumference of Ha Fupan is evenly provided with a plurality of clamping grooves.
The adjusting mechanism comprises a threaded hole formed in the center of the circumferential wall surfaces of the upper semicircle and the lower semicircle and an adjusting bolt arranged in the threaded hole.
The screw hole in the center of the circumferential wall surface of the upper semicircle or the lower semicircle is provided with a stop groove, a stop block is arranged in the stop groove, and the end part of the adjusting bolt passes through the screw hole and is inserted into a blind hole on the top surface of the stop block.
The center of the rear end of the end face sleeve is provided with a conical center hole.
The clamping groove is a rectangular groove.
The beneficial effects are that:
the utility model adopts the Harvard disk with an inner hole matched with the end face sleeve with the inner spigot as a special tool, and the tool is respectively sleeved at two ends of a workpiece correspondingly. The inner hole of Ha Fupan and the inner spigot of the end face sleeve are respectively and correspondingly formed by an upper semicircle of a perfect circle and a lower semicircle of an eccentric circle, so that the workpiece is pushed to be closely attached to the upper semicircle or the lower semicircle by utilizing the adjusting mechanism, the turning of the excircle of the perfect center or the turning of the excircle of the eccentric circle can be conveniently realized, and the machine is very convenient and flexible; a plurality of clamping grooves are uniformly formed in the periphery of the Ha Fupan so as to meet the clamping requirement of the clamping jaw during machine tool machining; the stop block positioned in the stop groove is matched with a structure for processing a flat surface of the workpiece at the same direction of the excircle at the two ends, so that the limit stop during processing can be effectively realized, and the synchronous movement of the workpiece and the special tool is ensured. The utility model has the advantages of simple structure, convenient adjustment, good repeatability, high processing precision, low cost, suitability for mass production and high processing efficiency.
Drawings
Figure 1 is a locked state diagram of the device of the utility model,
FIG. 2 is a cross-sectional view of the center of the eccentric tooling
Figure 3 is a front view of a halon disk structure,
figure 4 is a cross-sectional view of the structure of the haven disk,
figure 5 is a front view of the end face sleeve structure,
fig. 6 is a cross-sectional view of the end sleeve structure.
The device comprises 1-Ha Fupan, 2-stop blocks, 3-adjusting bolts, 4-clamping grooves, 5-end face sleeves, 6-blind holes, 7-stop grooves, 8-inner holes, 9-eccentric workpieces, 9.1-flat surfaces, 10-inner rabbets, 11-upper semicircles, 12-lower semicircles, 13-conical tip holes and 14-threaded holes.
Detailed Description
The utility model is further explained below with reference to the drawings:
referring to fig. 1 and 2, the utility model comprises a haffling disc 1 provided with an inner hole 8 and an end face sleeve 5 provided with an inner spigot 10, wherein the center of the rear end of the end face sleeve 5 is provided with a conical tip hole 13;
referring to fig. 3-6, the inner hole 10 of the Ha Fupan 1 and the inner spigot 10 of the end cover 5 are correspondingly formed by correspondingly splicing an upper semicircle 11 (with the center of a circle being 01) of a perfect circle and a lower semicircle 12 (with the center of a circle being 02) of an eccentric circle, and the wall centers of the upper semicircle 11 and the lower semicircle 12 are symmetrically provided with adjusting mechanisms; a plurality of clamping grooves 4 (four clamping grooves are uniformly arranged in the embodiment) are uniformly formed in the outer circumferential portion of the Ha Fupan, and preferably, the clamping grooves 4 are rectangular grooves.
The adjusting mechanism comprises a threaded hole 14 formed in the center of the circumferential wall surfaces of the upper semicircle 11 and the lower semicircle 12 and an adjusting bolt 3 arranged in the threaded hole 14.
A stop groove 7 is formed in a threaded hole 14 in the center of the circumferential wall surface of the upper semicircle 11 or the lower semicircle 12, a stop block 2 is arranged in the stop groove 7, and the end part of the adjusting bolt 3 passes through the threaded hole 14 and is inserted into a blind hole 6 on the top surface of the stop block 2. Referring to fig. 1 and 2, in the present embodiment, the stop groove 7 and the stop block 2 are provided at the screw hole 14 at the center of the circumferential wall surface of the upper semicircle 11, with the flat surface 9.1 of the eccentric workpiece 9 also facing in this direction. At this time, the adjusting bolt 3 in the screw hole 14 of the upper semicircle 11 may be selected to use a locking bolt, and the adjusting bolt 3 in the screw hole 14 of the lower semicircle 12 may be selected to use a ball stud. The clamping groove 4 and the adjusting mechanism can be arranged at the same position of the Harvard disc 1 and the end face sleeve 5, and can also be arranged at different positions, and can be adjusted according to actual needs.
The operation process comprises the following steps:
firstly, processing a section of process auxiliary materials at two ends of an eccentric workpiece 9 into a shape with consistent diameter of an outer circle according to the right center, and processing a flat surface 9.1 at the same direction of the outer circle at the two ends, wherein the width of the flat surface 9.1 is slightly larger than that of a stop block 2.
One end of the eccentric workpiece 9 is installed and sleeved in the inner hole 8 of the Ha Fupan 1, and the orientation of the stop groove 7 of the Ha Fupan 1 is consistent with the orientation of the flat surface 9.1 of the eccentric workpiece 9. The stop block 2 is fitted into the stop groove 7 of the upper semicircle 11 of the Ha Fupan, the blind hole 6 of the stop block 2 is directed upwards, the adjusting bolt 3 is screwed into the corresponding threaded hole 14, and the end portion protrudes into the blind hole 6 of the stop block 2. Another adjusting screw 3 is screwed into the threaded hole 14 of the lower semicircle 12 of the hotplate 1.
In the same way, the other end of the eccentric workpiece 9 is mounted on the inner spigot 10 of the end face sleeve 5, and the orientation of the stop groove 7 of the end face sleeve 5 is consistent with the orientation of the flat face 9.1 of the eccentric workpiece 9. The stop block 2 is inserted into the stop groove 7 of the upper semicircle 11 of the end sleeve 5, the blind hole 6 of the stop block 2 is directed upwards, the adjusting bolt 3 is screwed into the corresponding threaded hole 14, and the end extends into the blind hole 6 of the stop block 2. Another adjusting screw 3 is screwed into the threaded bore 14 of the lower semicircle 12 of the end cap 5.
And (3) clamping the Harvard disc 1 at the chuck end of the upper horizontal lathe, wherein four clamping jaws are respectively clamped in four clamping grooves 4 on the outer circle of the Harvard disc 1. The top of the tailstock center of the lathe is inserted into the conical center hole 13 of the end face sleeve 5. Adjusting the adjusting bolts 3 of the upper semicircle 11 of the Harvard disc 1 and the end surface sleeve 5 correspondingly, screwing the adjusting bolts 3 of the lower semicircle 12, ensuring that the outer circle of the eccentric workpiece 9 is attached to the inner hole of the Harvard disc 1 and the upper semicircle 11 of the inner spigot of the end surface sleeve 5, and locking the adjusting bolts 3 of the upper semicircle 11; turning is started to finish the outer circle of the center.
After turning is completed, the adjusting bolts 3 of the lower semicircle 12 of the Harvard disc 1 and the end surface sleeve 5 are unscrewed, the outer circle of the eccentric workpiece is guaranteed to be attached to the lower semicircle 12 of the inner hole 8 of the Harvard disc 1 and the inner spigot 10 of the end surface sleeve 5, then the adjusting bolts 3 of the upper semicircle are locked, the eccentric outer circle is turned, and the outer circle of the eccentric workpiece 9 is machined.
Claims (5)
1. The special tool for turning the outer circle eccentric workpiece comprises Ha Fupan provided with an inner hole and an end surface sleeve provided with an inner spigot, and is characterized in that the inner hole of Ha Fupan and the inner spigot of the end surface sleeve are respectively and correspondingly formed by an upper semicircle of a perfect circle and a lower semicircle of an eccentric circle, and the wall centers of the upper semicircle and the lower semicircle are symmetrically provided with adjusting mechanisms; the outer circumference of Ha Fupan is evenly provided with a plurality of clamping grooves.
2. The tool for turning eccentric workpieces of outer circles according to claim 1, wherein the adjusting mechanism comprises threaded holes formed in the centers of circumferential wall surfaces of the upper semicircle and the lower semicircle and adjusting bolts arranged in the threaded holes.
3. The fixture special for turning the excircle eccentric workpiece according to claim 2, wherein a stop groove is formed in a threaded hole in the center of the circumferential wall surface of the upper semicircle or the lower semicircle, a stop block is arranged in the stop groove, and the end part of the adjusting bolt penetrates through the threaded hole and is inserted into a blind hole in the top surface of the stop block.
4. A special tool for turning an outer circle eccentric workpiece according to any one of claims 1-3, wherein a conical center hole is formed in the center of the rear end of the end face sleeve.
5. A tooling special for turning an eccentric outer circle workpiece according to any one of claims 1 to 3, wherein the clamping groove is a rectangular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420713.4U CN220128149U (en) | 2023-06-06 | 2023-06-06 | Special tool for turning of excircle eccentric workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321420713.4U CN220128149U (en) | 2023-06-06 | 2023-06-06 | Special tool for turning of excircle eccentric workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128149U true CN220128149U (en) | 2023-12-05 |
Family
ID=88961995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321420713.4U Active CN220128149U (en) | 2023-06-06 | 2023-06-06 | Special tool for turning of excircle eccentric workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128149U (en) |
-
2023
- 2023-06-06 CN CN202321420713.4U patent/CN220128149U/en active Active
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