CN213889077U - Positioning and clamping tool for machining double helicoids of parts by using five-axis numerical control machine tool - Google Patents
Positioning and clamping tool for machining double helicoids of parts by using five-axis numerical control machine tool Download PDFInfo
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- CN213889077U CN213889077U CN202022228541.3U CN202022228541U CN213889077U CN 213889077 U CN213889077 U CN 213889077U CN 202022228541 U CN202022228541 U CN 202022228541U CN 213889077 U CN213889077 U CN 213889077U
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Abstract
The utility model relates to a machine tooling positioner, in particular to utilize the tight frock of location clamp of five digit control machine tool machining part double spiral face. The five-axis machining of the part is easy to interfere with a machine tool, the machining alignment is difficult, the machining efficiency is low, and the machining quality is unstable. The utility model discloses a positioning and clamping tool, which comprises a mandrel, a positioning original sheet, a pressing sheet and an inner hexagon bolt, wherein the mandrel is provided with a threaded hole; the positioning original sheet can be embedded into a positioning groove of a part and has a matched molded surface, and a through hole is formed in the positioning original sheet; the pressing sheet is provided with a molded surface matched with the outer annular surface of the part, a counter bore is formed in the pressing sheet, and the pressing sheet is positioned through an external mechanism; the inner hexagon bolt sequentially penetrates through the counter bore of the pressing sheet, the through hole of the positioning original sheet and the through hole of the part and then is in threaded connection with the mandrel. The problem of high accuracy double helix cam class part quick clamping location processing is solved for part machining precision is high, and product quality is stable, and machining efficiency also obtains improving.
Description
Technical Field
The utility model relates to a machine tooling positioner, in particular to utilize the tight frock of location clamp of five digit control machine tool machining part double spiral face.
Background
The machining field has the advantages that a large number of cam parts with reciprocating strokes are formed by matching high-precision rotary screw surfaces, the machining precision requirement of the double screw surfaces of the parts is high when the double screw surfaces are machined, the requirement of the matching contact surfaces of the screw surfaces of the parts is not less than 70%, and the requirements of perpendicularity, position degree and the like are formed between the screw surfaces and the inner holes of the outer circles of the parts, so that the clamping and positioning are difficult. The part is easy to interfere with a machine tool in five-axis machining, and needs to be avoided by using a tool. The processing alignment is difficult, the processing efficiency is low and the processing quality is unstable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple and convenient structure, the tight frock of location clamp of cam class part clamping location, quick clamping alignment of being convenient for.
The utility model discloses utilize five-axis numerical control machine tool to process the location clamping frock of part double helicoid, the part that is processed is solid of revolution structure, has the constant head tank in the outer anchor ring processing of solid of revolution, has the through-hole in the constant head tank, processes double helicoid at the up end of solid of revolution;
the tool comprises a mandrel, a positioning original sheet, a pressing sheet and an inner hexagon bolt, wherein the mandrel is provided with a threaded hole; the positioning original sheet can be embedded into a positioning groove of a part and has a matched molded surface, and a through hole is formed in the positioning original sheet; the pressing sheet is provided with a molded surface matched with the outer annular surface of the part, a counter bore is formed in the pressing sheet, and the pressing sheet is positioned through an external mechanism; the inner hexagon bolt sequentially penetrates through the counter bore of the pressing sheet, the through hole of the positioning original sheet and the through hole of the part and then is in threaded connection with the mandrel.
Further or optionally, the thickness of the positioning original sheet is less than or equal to the depth of the positioning groove.
Further or alternatively, the positioning groove is in clearance fit with the positioning original sheet.
Further or optionally, the positioning groove and the positioning original sheet are projected in the forward direction to form a polygon.
Further or optionally, the front projection of the positioning groove and the positioning original sheet is rectangular.
Further or optionally, the mandrel further has a boss at the neck, and the lower end surface of the rotator abuts against the boss.
Further or optionally, the mandrel is mounted on a three-jaw chuck of a five-axis numerical control machine tool workbench at a non-machining end.
The device is matched with an inner hole of a part through the mandrel, and is matched with an existing precision hole on the part through the positioning original sheet. After the pressing piece and the hexagon socket head cap screw compress and fix the part, the tool is arranged on a three-jaw chuck of a five-axis numerical control machine tool workbench, and double helix surface machining can be carried out by aligning the two sides of the tool and the part. The device solves the problem of rapid clamping and positioning processing of high-precision double-spiral-surface cam parts, so that the part processing precision is high, the product quality is stable, and the processing efficiency is also improved.
The features, functions, and advantages that have been discussed can be achieved independently in various examples or may be combined in yet other examples. Further details of the examples can be seen with reference to the following description and the accompanying drawings.
Drawings
The illustrative examples, as well as a preferred mode of use, further objectives, and descriptions thereof, will best be understood by reference to the following detailed description of an example of the present invention when read in conjunction with the accompanying drawings, wherein:
fig. 1 is a three-dimensional effect diagram of the utility model after the parts are assembled.
Detailed Description
The disclosed examples will be described more fully with reference to the accompanying drawings, in which some (but not all) of the disclosed examples are shown. Indeed, many different examples may be described and should not be construed as limited to the examples set forth herein. Rather, these examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The technical solution is further described in detail below with reference to the accompanying drawings and the detailed description.
As shown in the figure, the double helix surface positioning and clamping tool for five-axis numerical control machine tool machining comprises a mandrel 1, a positioning original sheet 2, a pressing sheet 3 and an inner hexagon bolt 4. The positioning original sheet 2 and the pressing sheet 3 are pressed on the mandrel 1 through the hexagon socket head cap screw 4.
During processing only need decompose the frock, place the part on dabber 1, guarantee simultaneously that the part bottom surface laminates with 1 terminal surface of dabber, then fix a position through former piece 2 in the location, play restriction part 5 and rotate and the direction effect of injecing 5 helicoids of part, rethread preforming 3 cooperation hexagon socket head cap screw 4, are fixed with part 5. And then placing the workpiece on a three-jaw chuck on a workbench of a five-axis numerical control machine tool, aligning the tool and the blank surface of the part 5 to be processed with double helicoids to process the double helicoids, screwing out the hexagon socket head cap screw 4 after processing, taking down the pressing sheet 3 and the positioning original sheet 2, and taking out the part 5 on the mandrel 1 to complete the processing of the part 5.
The device simultaneously ensures the clamping alignment problem of the machining of the high-precision rotary spiral cam parts and the position degree problem of elements such as double spiral surfaces, inner hole excircle end surfaces and the like. The machining precision is high, the machining quality is stable, the clamping and the dismounting are convenient, and the machining efficiency of parts is improved.
Different examples of the systems, devices, and methods disclosed herein include various components, features, and functions. It should be understood that the various examples of the systems, devices, and methods disclosed herein may include any of the components, features, and functions of any of the other examples of the systems, devices, and methods disclosed herein in any combination or any sub-combination, and all such possibilities are intended to fall within the scope of the present invention.
The description of the different advantageous arrangements has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited to the examples in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Additionally, the different advantageous examples may describe different advantages as compared to other advantageous examples. The example or examples selected are chosen and described in order to best explain the principles of the examples, the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various examples with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides an utilize tight frock of location clamp of five digit control machine tool machining part double spiral face which characterized in that: the processed part (5) is of a revolving body structure, a positioning groove is processed on the outer ring surface of the revolving body, a through hole is arranged in the positioning groove, and a double-spiral surface is processed on the upper end surface of the revolving body;
the tool comprises a mandrel (1), a positioning original sheet (2), a pressing sheet (3) and an inner hexagon bolt (4), wherein the mandrel (1) is provided with a threaded hole; the positioning original sheet (2) can be embedded into a positioning groove of the part (5) and is matched in molded surface, and a through hole is formed in the positioning original sheet (2); the pressing sheet (3) is provided with a molded surface matched with the outer annular surface of the part (5), a counter bore is formed in the pressing sheet (3), and the pressing sheet (3) is positioned through an external mechanism; the inner hexagonal bolt (4) sequentially penetrates through the counter bore of the pressing sheet (3), the through hole of the positioning original sheet (2) and the through hole of the part (5) and then is in threaded connection with the mandrel (1).
2. The positioning and clamping tool according to claim 1, characterized in that: the thickness of the positioning original sheet (2) is less than or equal to the depth of the positioning groove.
3. The positioning and clamping tool according to claim 2, characterized in that: the positioning groove is in clearance fit with the positioning original sheet (2).
4. The positioning and clamping tool according to claim 3, characterized in that: the positioning groove and the positioning original sheet (2) are in a polygon shape in the forward projection.
5. The positioning and clamping tool according to claim 4, wherein: the positioning groove and the positioning original sheet (2) are rectangular in forward projection.
6. The positioning and clamping tool according to any one of claims 2-5, characterized in that: the mandrel (1) is also provided with a boss (6) at the neck part, and the lower end surface of the revolving body is abutted against the boss (6).
7. The positioning and clamping tool according to claim 6, wherein: the mandrel (1) is arranged on a three-jaw chuck of a five-axis numerical control machine tool workbench at a non-processing end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228541.3U CN213889077U (en) | 2020-10-09 | 2020-10-09 | Positioning and clamping tool for machining double helicoids of parts by using five-axis numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228541.3U CN213889077U (en) | 2020-10-09 | 2020-10-09 | Positioning and clamping tool for machining double helicoids of parts by using five-axis numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213889077U true CN213889077U (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228541.3U Active CN213889077U (en) | 2020-10-09 | 2020-10-09 | Positioning and clamping tool for machining double helicoids of parts by using five-axis numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213889077U (en) |
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2020
- 2020-10-09 CN CN202022228541.3U patent/CN213889077U/en active Active
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