CN210232284U - Special positioning tool for thin-wall circular parts - Google Patents
Special positioning tool for thin-wall circular parts Download PDFInfo
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- CN210232284U CN210232284U CN201921048598.6U CN201921048598U CN210232284U CN 210232284 U CN210232284 U CN 210232284U CN 201921048598 U CN201921048598 U CN 201921048598U CN 210232284 U CN210232284 U CN 210232284U
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Abstract
The utility model discloses a special location frock for thin wall circular part, include: the support block is installed in a central through hole of the thin-wall round part to be processed and used for fixing the bottom end of the thin-wall round part to be processed in the installation groove. In this way, the utility model discloses a support the piece will be waited to process thin wall circular part and press from both sides tightly to fix in the mounting groove on the base, fix the base on lathe spindle chuck in advance, can realize treating the quick clamping location of processing thin wall circular part through dismouting support piece, can ensure to wait to process outer disc, the terminal surface of thin wall circular part and beat entirely, and can not harm the external diameter of part, be fit for using in the batch processing of this part.
Description
Technical Field
The utility model relates to a machining technology field especially relates to a special location frock for thin wall circular part.
Background
In turning, for machining a thin-walled circular part 10 as shown in fig. 1, the end face and the outer circumferential surface of the thin-walled circular part 10 have full run-out requirements.
In the prior art, a three-jaw self-centering chuck is usually adopted to clamp the thin-wall circular part 10 on a lathe spindle before machining, but in the batch machining process, if the three-jaw self-centering chuck is used for clamping, a dial indicator is used for correcting the end face and the outer circular face jump of the thin-wall circular part 10 in each clamping, so that quick clamping cannot be realized, and the machining efficiency is influenced; in addition, the clamping force of the three-jaw self-centering chuck is large, so that the outer diameter of the thin-wall circular part 10 can be damaged, the part is scrapped, and the three-jaw self-centering chuck is not suitable for clamping the thin-wall part 10.
Since the existing three-jaw self-centering chuck is not suitable for the batch processing of the thin-wall round part 10, a new tool needs to be developed to replace the three-jaw self-centering chuck.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a special location frock for thin wall circular part, can realize in the batch course of working quick installation to thin wall part, guarantees beating of thin wall part terminal surface and outer disc, can avoid causing the damage to the external diameter of thin wall part simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a special location frock for thin wall circular part, includes: the support block is installed in a central through hole of the thin-wall round part to be processed and used for fixing the bottom end of the thin-wall round part to be processed in the installation groove.
In a preferred embodiment of the present invention, the base has a mounting hole, the support block has a through hole, and the mounting hole is aligned with the through hole and is fixed to the base by a bolt.
In a preferred embodiment of the present invention, a section of thread groove is formed on an inner wall of the mounting hole near the mounting groove, and the screw end of the bolt is screwed in the thread groove.
In a preferred embodiment of the present invention, the depth of the thread groove is 10 mm.
In a preferred embodiment of the present invention, the mounting hole is located in the middle of the base, the through hole is located in the middle of the support block, and the center line of the mounting hole and the center line of the through hole are on the same horizontal straight line with the center line of the lathe spindle.
In a preferred embodiment of the present invention, the side wall of the support block is provided with a thread structure matching with the central through hole of the thin-walled circular part to be processed.
In a preferred embodiment of the present invention, the support block further has a hollow boss integrally formed at the front end of the middle portion of the outer end surface.
In a preferred embodiment of the present invention, a positioning pin is disposed on the circumferential surface of the bottom of the mounting groove, and the positioning pin is matched with the blind hole on the bottom end surface of the thin-walled circular part to be processed.
In a preferred embodiment of the present invention, the outer side surface of the base is circumferentially and uniformly distributed with a plurality of blind threaded holes for connecting with a chuck of a machine tool spindle.
The utility model has the advantages that: the utility model discloses a base, the structural design that the support piece mutually supported will treat through the support piece that processing thin wall circular part presss from both sides tightly to fix in the mounting groove on the base, fix the base on the lathe spindle chuck in advance, can realize treating the quick clamping location of processing thin wall circular part through the dismouting support piece, can ensure to treat outer disc, the terminal surface of processing thin wall circular part and beat entirely, and can not harm the external diameter of part, be fit for using in the batch processing of this part.
Drawings
FIG. 1 is a schematic structural diagram of a thin-walled circular part to be machined;
fig. 2 is a schematic perspective view of the present invention;
FIG. 3 is a front view of FIG. 2;
FIG. 4 is a left side view of FIG. 2;
FIG. 5 is a rear view of FIG. 2;
FIG. 6 is a cross-sectional view A-A of FIG. 4;
FIG. 7 is a view showing the structure of the present invention after clamping the parts shown in FIG. 1;
the parts in the drawings are numbered as follows:
1. the mounting structure comprises a base, 11, mounting grooves, 12, mounting holes, 13, threaded blind holes, 14 and positioning pins; 2. the support block 21, the through hole 22, the thread structure 23 and the hollow boss; 3. a bolt; 10. thin-walled circular part, 100, central through hole.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 2 and 7, an embodiment of the present invention includes:
the utility model provides a special location frock for thin wall circular part, includes: the device comprises a base 1 and a support block 2, wherein the base 1 is fixedly connected with a chuck of a machine tool spindle, and the support block 2 is fixedly connected with the base 1;
the inner side end face of the base 1 is provided with a mounting groove 11, and the supporting block 2 is mounted in a central through hole 100 of the thin-wall round part 10 to be processed and used for fixing the bottom end of the thin-wall round part 100 to be processed in the mounting groove 11.
Specifically, as shown in fig. 3 to 5, a mounting hole 12 is formed in the base 1, a through hole 21 is formed in the support block 2, the mounting hole 12 is aligned with the through hole 21, and the support block 2 is fixed to the base 1 through a bolt 3; in this embodiment, the mounting hole 12 is formed in the middle of the base 1, the through hole 21 is formed in the middle of the support block 1, and the center lines of the mounting hole 12 and the through hole 21 and the center line of the lathe spindle are on the same horizontal straight line, so that the concentricity of the base 1, the support block 2 and the lathe spindle is ensured, the concentricity of the thin-walled circular part 10 to be processed, which is fixed in the mounting groove 11 by the support block 2, and the lathe spindle is ensured, the full run-out requirement of the end surface and the outer peripheral surface of the thin-walled circular part is ensured, and the thin-walled circular part does not need to be corrected after being clamped every time;
further, a section of thread groove is integrally formed on the inner wall of one end of the mounting hole 12 close to the mounting groove 11, and the screw end of the bolt 3 penetrates through the through hole 21 and is screwed and fixed in the thread groove, preferably, the depth of the thread groove is 10mm, so that the connecting force between the bolt 2 and the base 1 is ensured, and the support block 2 is stably and reliably fixed on the base 1;
furthermore, a thread structure 22 matched with the central through hole 100 of the thin-wall circular part 10 to be processed is integrally processed on the side wall of the support block 2, and a hollow boss 23 is further integrally formed at the front end of the middle part of the outer end face of the support block 2, so that the support block 2 can be conveniently screwed into the central through hole 100 of the thin-wall circular part 10 to be processed through the hollow boss 23, and the support block 2 is screwed and fixed on the thin-wall circular part 10.
The positioning pin 14 is further installed on the circumferential surface of the bottom of the installation groove 11, and the positioning pin 14 is matched with a blind hole in the end face of the bottom of the thin-wall round part 10 to be processed and used for limiting and fixing the bottom end of the thin-wall round part 10 in the installation groove 11, so that the thin-wall round part 10 is prevented from rotating and displacing in the groove in the processing process.
Referring to fig. 6, a plurality of blind threaded holes 13 are formed in the outer end surface of the base 1, the blind threaded holes 13 are circumferentially and uniformly distributed on the outer end surface of the base 1, the blind threaded holes 13 correspond to mounting holes formed in a chuck of a machine tool spindle one to one, during mounting, the base 1 is pressed on the chuck of the machine tool spindle, and then a plurality of connecting bolts are respectively inserted into the mounting holes in the chuck and screwed and fixed in the blind threaded holes 12, so that the base 1 is fixed on the chuck of the machine tool spindle.
Referring to fig. 7 below, the clamping process of the full-bounce face repeated positioning tool of the present invention is further described:
firstly, fixing a base 1 on a chuck of a machine tool spindle, then installing the bottom end of a thin-wall round part 10 to be processed into an installation groove 11 of the base 1, inserting a positioning pin 14 positioned on the circumferential surface of the bottom of the installation groove 11 into a blind hole on the end surface of the bottom of the thin-wall round part 10, then screwing a support block 2 into a central through hole 100 of the thin-wall round part 10 to be processed, and finally screwing a bolt 3 into the through hole 21 and the installation hole 12 to fixedly connect the support block 2 with the base 1;
after the processing is finished, the bolt 2 is only required to be screwed out from the through hole 21 and the mounting hole 12, then the supporting block 2 is screwed out from the central through hole 100 of the thin-wall circular part 10, and the new thin-wall circular part 10 to be processed is installed in the mounting groove 11 according to the mode.
To sum up, the utility model discloses a structural design that base, support piece mutually supported can realize treating the quick clamping location of processing thin wall circular part through dismouting support piece, can ensure to treat that outer disc, the terminal surface of processing thin wall circular part are beated entirely, and can not harm the external diameter of part, are fit for using in the batch processing of this part.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a special location frock for thin wall circular part which characterized in that includes: base (1) and support piece (2), base (1) and lathe main shaft chuck fixed connection, support piece (2) with base (1) fixed connection, mounting groove (11) have been seted up on the medial surface of base (1), support piece (2) are installed in central through-hole (100) of waiting to process thin wall circular part (10) for the bottom mounting of waiting to process thin wall circular part (10) is in mounting groove (11).
2. The special positioning tool for the thin-walled circular part as claimed in claim 1, wherein the base (1) is provided with a mounting hole (12), the support block (2) is provided with a through hole (21), and the mounting hole (12) is aligned with the through hole (21) and fixes the support block (2) on the base (1) through a bolt (3).
3. The special positioning tool for the thin-walled circular part as claimed in claim 2, wherein a section of thread groove is formed in the inner wall of one end of the mounting hole (12) close to the mounting groove (11), and the screw end of the bolt (3) is screwed in the thread groove.
4. The special positioning tool for the thin-walled circular part as claimed in claim 3, wherein the depth of the thread groove is 10 mm.
5. The special positioning tool for the thin-walled circular part as claimed in claim 2, wherein the mounting hole (12) is located in the middle of the base (1), the through hole (21) is located in the middle of the support block (2), and the center lines of the mounting hole (12) and the through hole (21) are on the same horizontal straight line with the center line of the lathe spindle.
6. The special positioning tool for the thin-wall circular part as claimed in any one of claims 1 to 5, wherein a thread structure (22) matched with the central through hole (100) of the thin-wall circular part (10) to be machined is arranged on the side wall of the support block (2).
7. The special positioning tool for the thin-walled circular part as claimed in any one of claims 1 to 5, wherein a hollow boss (23) is further integrally formed at the front end of the middle part of the outer end surface of the support block (2).
8. The special positioning tool for the thin-wall circular part according to claim 1, wherein a positioning pin (14) is arranged on the circumference of the bottom of the mounting groove (11), and the positioning pin (14) is matched with a blind hole in the bottom end face of the thin-wall circular part (10) to be processed.
9. The special positioning tool for the thin-walled circular part as claimed in claim 1, wherein a plurality of threaded blind holes (13) are evenly distributed on the outer side surface of the base (1) in the circumferential direction for connecting with a chuck of a machine tool spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048598.6U CN210232284U (en) | 2019-07-05 | 2019-07-05 | Special positioning tool for thin-wall circular parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921048598.6U CN210232284U (en) | 2019-07-05 | 2019-07-05 | Special positioning tool for thin-wall circular parts |
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| Publication Number | Publication Date |
|---|---|
| CN210232284U true CN210232284U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921048598.6U Active CN210232284U (en) | 2019-07-05 | 2019-07-05 | Special positioning tool for thin-wall circular parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770457A (en) * | 2021-09-01 | 2021-12-10 | 宜昌长机科技有限责任公司 | High-precision positioning and clamping tool and method for machining thin-walled internal gear |
-
2019
- 2019-07-05 CN CN201921048598.6U patent/CN210232284U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770457A (en) * | 2021-09-01 | 2021-12-10 | 宜昌长机科技有限责任公司 | High-precision positioning and clamping tool and method for machining thin-walled internal gear |
| CN113770457B (en) * | 2021-09-01 | 2022-08-05 | 宜昌长机科技有限责任公司 | High-precision positioning and clamping tool and method for machining thin-walled internal gear |
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| CP02 | Change in the address of a patent holder |
Address after: 215143 No. 200, Xinxiang Village Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. Address before: No. 188 Chunguang Road, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee before: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 215143 No. 2, shanjiaobang Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Yike Aviation Technology Co.,Ltd. Address before: 215143 No. 200, Xinxiang Village Road, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU YIKE ELECTROMECHANICAL Co.,Ltd. |
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