CN215919706U - Step hole machining tool - Google Patents
Step hole machining tool Download PDFInfo
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- CN215919706U CN215919706U CN202121133194.4U CN202121133194U CN215919706U CN 215919706 U CN215919706 U CN 215919706U CN 202121133194 U CN202121133194 U CN 202121133194U CN 215919706 U CN215919706 U CN 215919706U
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- machining
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Abstract
The utility model discloses a step hole machining tool, which belongs to the field of machining, and comprises a positioning pin, a positioning arm and a positioning plate, wherein the positioning pin, the positioning arm and the positioning plate are arranged on a workpiece, and the step hole machining tool comprises: the top of the workpiece is provided with a positioning hole, a step hole and a mounting threaded hole, the positioning hole is used for mounting a positioning pin, the mounting threaded hole is used for fixing a positioning plate, and the positioning arm consists of a connecting arm, and a rotating sleeve and a positioning sleeve which are arranged at two ends of the connecting arm. The tool adopts a novel structure, can quickly position the machining position of the stepped hole, ensures the product size and form and position tolerance precision, can finish the accurate positioning of the positioning sleeve by clamping once, and obviously improves the machining efficiency and the machining quality.
Description
Technical Field
The utility model belongs to the field of machining, and particularly relates to a step hole machining tool.
Background
In the machining process of mechanical parts, the positioning and fixing of workpieces are of great importance, and the premise of ensuring the machining precision is provided. In particular, for the processing of some special parts, in order to ensure the processing precision and angle, it is often necessary to spend a great deal of effort to find the processing reference, and the yield is not high, for example: when the step hole of terminal surface is being processed, two hole directions both need be parallel and will be perpendicular to benchmark hole step face, and form and position tolerance and dimensional tolerance require all very high, belong to accurate product type, and this product is processed to prior art, when secondary clamping processing other end hole, often is difficult to guarantee product quality, consequently needs special frock clamp to process.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a step hole machining tool, which adopts a novel structure, can quickly position the machining position of a step hole, ensures the product size and form and position tolerance precision, can complete the precise positioning of a positioning sleeve by one-time clamping, and obviously improves the machining efficiency and the machining quality.
The utility model solves the problems through the following technical means:
the utility model provides a step spot facing work frock, is including installing locating pin, registration arm and the locating plate on the work piece, wherein: the top of the workpiece is provided with a positioning hole, a step hole and a mounting threaded hole, the positioning hole is used for mounting a positioning pin, and the mounting threaded hole is used for fixing the positioning plate; the positioning arm consists of a connecting arm, and a rotary sleeve and a positioning sleeve which are arranged at two ends of the connecting arm, wherein the rotary sleeve is sleeved on the positioning pin, and the positioning sleeve is arranged on a step hole to be processed; the positioning plate is used for fixing the positioning arm.
Preferably, one side of the positioning plate is provided with a base for contacting the surface of the workpiece, the other side of the positioning plate is provided with a pressing arm for contacting the positioning arm, the middle of the positioning plate is provided with a fixing hole, a fixing screw is arranged in the fixing hole, and the bottom of the fixing screw is arranged in a mounting threaded hole.
Preferably, a sliding groove is formed in the positioning arm, and a sliding block adaptive to the shape of the sliding groove is arranged on one side, close to the positioning arm, of the positioning plate.
Preferably, the workpiece is of a cylindrical structure.
The step hole machining tool has the following beneficial effects:
this frock is including installing locating pin, locating arm and the locating plate on the work piece, wherein: the locating hole has been seted up at the top of work piece, step hole and installation screw hole, the locating hole is used for the installation locating pin, installation screw hole is used for fixed locating plate, the locating arm is by linking arm and the swivel mount that sets up at the linking arm both ends, the locating sleeve is constituteed, the locating arm can be around the rotatory processing station of looking for of locating pin, utilize the locating plate to carry on spacingly to the locating arm simultaneously, this novel structure, the processing position in step hole can be fixed a position fast, guarantee product size and geometric tolerances precision, utilize this frock can once the accurate location of clamping completion locating sleeve, show promotion machining efficiency and processingquality.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a workpiece structure of the present invention;
FIG. 3 is a schematic view of the tooling structure of the present invention;
FIG. 4 is a schematic view of the positioning arm of the present invention;
fig. 5 is a schematic structural diagram of the positioning plate of the present invention.
In the figure, 1-workpiece, 101-positioning hole, 102-step hole, 103-mounting threaded hole, 2-positioning pin, 3-positioning arm, 301-connecting arm, 302-rotating sleeve, 303-positioning sleeve, 304-sliding groove, 4-positioning plate, 401-base, 402-pressing arm, 403-fixing hole, 404-fixing screw and 405-sliding block.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first", "second" and "first" 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" or "second" 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.
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the step hole processing tool comprises a positioning pin 2, a positioning arm 3 and a positioning plate 4 which are mounted on a workpiece 1, wherein the top of the workpiece 1 is provided with a positioning hole 101, a step hole 102 and a mounting threaded hole 103, the direction of the step hole 102 is parallel to and perpendicular to the step surface of a reference inner hole, the requirements on form and position tolerance and dimensional tolerance are high, and the step hole belongs to a precision product type, the positioning hole 101 is used for mounting the positioning pin 2, and the mounting threaded hole 103 is used for fixing the positioning plate 4.
In the figure, the locating arm 3 is by linking arm 301 and the rotary sleeve 302 of setting at linking arm 301 both ends, the locating sleeve 303 is constituteed, the rotary sleeve 302 suit is on locating pin 2, the locating sleeve 303 is arranged on waiting to process the step hole 102, the locating arm 3 can be around the rotatory processing position of looking for of locating pin, it is spacing to utilize the locating plate to carry out the locating arm simultaneously, this novel structure, can fix a position the processingposition in step hole fast, guarantee product size and form and position tolerance precision, utilize this frock clamping to accomplish the accurate location of locating sleeve, show promotion machining efficiency and processingquality.
In the figure, the positioning plate 4 is used for fixing the positioning arm 3, one side of the positioning plate 4 is provided with a base 401 for contacting the surface of the workpiece 1, the other side of the positioning plate 4 is provided with a pressing arm 402 for contacting the positioning arm 3, the middle part of the positioning plate 4 is provided with a fixing hole 403, a fixing screw 404 is arranged in the fixing hole 403, the bottom of the fixing screw 404 is arranged in a hole of the mounting threaded hole 103, and the positioning arm 3 can be locked by the pressure of the mounting threaded hole 103. It should be noted that the positioning arm 3 is provided with the sliding groove 304, one side of the positioning plate 4 close to the positioning arm 3 is provided with a sliding block 405 adapted to the shape of the sliding groove 304, and the sliding block 405 and the sliding groove 304 are mutually matched to avoid the positioning arm 3 from being mistakenly moved under misoperation or external force.
In the embodiment, when the tool is used, firstly, the right end surface of the positioning arm and the outer diameter within 15mm are corrected on lathe equipment, and the correction value is less than or equal to 0.012 mm; secondly, a positioning pin is inserted into the product hole and the positioning hole of the positioning arm in a penetrating mode, after the transverse plane of the tool is attached to the plane of the tool body, a screw is screwed, the positioning plate is attached and tightly pressed to the end face of the tool body, and finally the tool positioning pin piece is pulled out, so that the step hole of the product can be machined on a lathe. And after a side hole is machined, turning around the side hole in a turning way, and repeating the steps to machine a step hole on the other side. It should be noted that, when the tool is used, a product needs to be processed to a semi-finish machining state, namely, the distance between holes and the requirement of the injection position are ensured, when the tool is used for mainly processing the size holes, manual cutting tool compensation is needed to be processed on other equipment, the qualification rate is extremely low, the tool compensation on a numerical control lathe is accurate, the reliability is high, the qualification rate is high, the tool avoids the mutual restriction and influence of the step holes on the reference plane, the clamping is convenient, rapid, accurate and firm, and the tool is an ideal tool for processing the step holes.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a step spot facing work frock, its characterized in that, including installing locating pin (2), registration arm (3) and locating plate (4) on work piece (1), wherein:
the top of the workpiece (1) is provided with a positioning hole (101), a stepped hole (102) and a mounting threaded hole (103), the positioning hole (101) is used for mounting the positioning pin (2), and the mounting threaded hole (103) is used for fixing the positioning plate (4);
the positioning arm (3) consists of a connecting arm (301), and a rotating sleeve (302) and a positioning sleeve (303) which are arranged at two ends of the connecting arm (301), wherein the rotating sleeve (302) is sleeved on the positioning pin (2), and the positioning sleeve (303) is arranged on a step hole (102) to be processed;
the positioning plate (4) is used for fixing the positioning arm (3).
2. The step hole machining tool according to claim 1, wherein a base (401) for contacting the surface of the workpiece (1) is arranged on one side of the positioning plate (4), a pressing arm (402) for contacting the positioning arm (3) is arranged on the other side of the positioning plate (4), a fixing hole (403) is formed in the middle of the positioning plate (4), a fixing screw (404) is installed inside the fixing hole (403), and the bottom of the fixing screw (404) is arranged in a hole of the mounting threaded hole (103).
3. The step hole machining tool according to claim 1, wherein a sliding groove (304) is formed in the positioning arm (3), and a sliding block (405) which is adaptive to the shape of the sliding groove (304) is arranged on one side, close to the positioning arm (3), of the positioning plate (4).
4. The step hole machining tool according to claim 1, wherein the workpiece (1) is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121133194.4U CN215919706U (en) | 2021-05-25 | 2021-05-25 | Step hole machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121133194.4U CN215919706U (en) | 2021-05-25 | 2021-05-25 | Step hole machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215919706U true CN215919706U (en) | 2022-03-01 |
Family
ID=80402173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121133194.4U Active CN215919706U (en) | 2021-05-25 | 2021-05-25 | Step hole machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215919706U (en) |
-
2021
- 2021-05-25 CN CN202121133194.4U patent/CN215919706U/en active Active
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