CN215318301U - Positioning tool for circular shaft product with hole - Google Patents
Positioning tool for circular shaft product with hole Download PDFInfo
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- CN215318301U CN215318301U CN202121896153.0U CN202121896153U CN215318301U CN 215318301 U CN215318301 U CN 215318301U CN 202121896153 U CN202121896153 U CN 202121896153U CN 215318301 U CN215318301 U CN 215318301U
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- positioning
- circular shaft
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- sleeve
- chamfer
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Abstract
The utility model discloses a positioning tool for a perforated circular shaft product, which comprises a positioning body and a positioning sleeve, wherein the positioning sleeve is movably arranged at one end of the positioning body, the other end of the positioning body is provided with a positioning part, the perforated circular shaft product is clamped between the positioning part and the positioning sleeve, and the positioning part and the positioning sleeve are both provided with a chamfer surface matched with an inner hole chamfer of the perforated circular shaft product; the utility model is used for the subsequent processing procedures of the circular shaft product with the hole, such as clamping and positioning of the procedures of grinding the outer circle, leaning against the flat end surface and the like, and can effectively ensure the requirement of high-precision form and position tolerance of the product.
Description
Technical Field
The utility model relates to the technical field of clamping and positioning tools, in particular to a positioning tool for a perforated circular shaft product.
Background
In general mechanical transmission, the transmission of motion torque is realized by fixing an output shaft, a flange, a gear and the like which are sleeved on the shaft together with a key. The connecting mode has a simple structure, and connecting parts are easy to process. However, some hydrodynamic products rely on pump impellers at opposite ends of a shaft to effect torque transfer. In order to realize the effective transmission of torque, the processing precision of the shaft is improved, the circular runout between two end faces and a rotation center is improved, the form and position tolerance of the pump wheel arranged on the shaft is ensured, the loss is reduced to the maximum extent, and the efficiency of hydraulic transmission is improved.
SUMMERY OF THE UTILITY MODEL
The positioning tool is used for subsequent processing procedures of the circular shaft product with the hole, such as clamping and positioning of the procedures of grinding an outer circle, leaning on a flat end surface and the like, and can effectively guarantee the requirement of high-precision form and position tolerance of the product.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a location frock of foraminiferous round axle product, includes the location body and position sleeve, the position sleeve activity is located the one end of the location body, the other end of the location body is equipped with location portion, foraminiferous round axle product dress clamp in location portion with between the position sleeve, just all be equipped with on location portion and the position sleeve with the hole chamfer matched with chamfer face of foraminiferous round axle product.
As a further improvement of the utility model, the positioning sleeve is movably arranged at one end of the positioning body through a locking nut.
As a further improvement of the utility model, a positioning pressure plate is also arranged between the positioning sleeve and the locking nut.
As a further improvement of the utility model, the jumping range of the chamfer surface of the positioning part relative to the central axes of the two ends of the positioning body is less than or equal to 0.005 mm.
As a further improvement of the utility model, the fit clearance between the chamfer surface of the positioning sleeve and the positioning body is less than or equal to 0.005 mm.
The utility model has the beneficial effects that:
1. the utility model avoids the damage to the product chamfer surface and can well ensure that the surface quality of the inner hole processed in the previous procedure is not damaged.
2. The positioning tool is simple, convenient and safe to operate, can well guarantee the positioning requirement of grinding processing, guarantees that the coaxiality and the end face runout of each part meet the design requirement, and is convenient to detect and correct.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals:
1. the positioning device comprises a positioning body, 2, a positioning sleeve, 3, a positioning part, 4, a circular shaft product with a hole, 5, a chamfer surface, 6, a locking nut, 7 and a positioning pressing plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1, a location frock of foraminiferous round axle product, including locating body 1 and position sleeve 2, the activity of position sleeve 2 is located the one end of locating body 1, the other end of locating body 1 is equipped with location portion 3, foraminiferous round axle product 4 dress clamp in location portion 3 with between the position sleeve 2, just all be equipped with on location portion 3 and the position sleeve 2 with the hole chamfer matched with chamfer 5 of foraminiferous round axle product 4.
In this embodiment, the positioning sleeve 2 is movably disposed at one end of the positioning body 1 through a lock nut 6.
In this embodiment, a positioning pressing plate 7 is further disposed between the positioning sleeve 2 and the lock nut 6.
In the embodiment, the runout range of the chamfered surface 5 of the positioning part 3 relative to the central axis of the two ends of the positioning body 1 is less than or equal to 0.005 mm.
In this embodiment, the fit clearance between the chamfer surface 5 of the positioning sleeve 2 and the positioning body 1 is less than or equal to 0.005 mm.
The utility model is further illustrated below:
torque transmission is realized through hydraulic force, high requirements are provided for the form and position tolerance and the balance of motion inertia of each connecting assembly, and the coaxiality of each axis is usually controlled within 0.015mm after each part is connected through a bolt; the jump between the end face and the rotation center is required to be within 0.015 mm.
The utility model solves the processing problems of coaxiality and end face run-out of products. The positioning body 1 consistent with the inner hole chamfer of the circular shaft product with holes 4 is designed and manufactured, the jumping of the reference of the positioning part 3 on the positioning body 1, namely the chamfer surface 5 relative to the central axis of the two ends of the positioning body 1 is controlled within 0.005mm, and the positioning reference of the positioning sleeve 2, namely the fit clearance of the chamfer surface 5 and the positioning body 1 is also controlled within 0.005mm, so that the positioning precision of the circular shaft product with holes 4 is met, and the technical requirement of the processing procedure is realized.
The specific processing steps are as follows:
1) the positioning body 1 which is consistent with the chamfer surface of the circular shaft product with the hole 4 to be processed is selected, oil stains and impurities on the chamfer surface 5 of the positioning part 3 of the positioning body 1 are cleaned, and the surface cleanliness is ensured.
2) Checking the run-out of the chamfer surface 5 of the positioning body 1 and the central hole axes at the two ends, and controlling the run-out within 0.005 mm.
3) And oil stains and impurities of the inner hole chamfer of the round shaft product 4 to be processed are cleaned, and the surface cleanliness is ensured.
4) And assembling the selected chamfer surface 5 of the positioning body 1 and the internal control chamfer of the circular shaft product 4 with holes to be processed to ensure that the chamfer surfaces are effectively attached, installing a positioning pressing plate 7, tightly pressing the positioning pressing plate 7 by a locking nut 6, and ensuring that the circular shaft product 4 with holes is tightly combined with the two chamfer surfaces 5 of the positioning body 1 by enough axial pressing force to realize effective positioning of the product.
5) After the clamping is finished, the outer circle and the end face of the circular shaft product with the hole 4 can be finished at one time.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. The utility model provides a location frock of foraminiferous round axle product, its characterized in that, includes the location body and position sleeve, the position sleeve activity is located the one end of the location body, the other end of the location body is equipped with location portion, foraminiferous round axle product clamping in location portion with between the position sleeve, just all be equipped with on location portion and the position sleeve with the hole chamfer matched with chamfer face of foraminiferous round axle product.
2. The positioning tool for the perforated circular shaft product as claimed in claim 1, wherein the positioning sleeve is movably arranged at one end of the positioning body through a lock nut.
3. The positioning tool for the perforated circular shaft product as claimed in claim 2, wherein a positioning pressure plate is further arranged between the positioning sleeve and the lock nut.
4. The positioning tool for the perforated circular shaft product as claimed in claim 1, wherein the run-out range of the chamfer surface of the positioning part relative to the central axis of the two ends of the positioning body is less than or equal to 0.005 mm.
5. The positioning tool for the perforated circular shaft product according to claim 1 or 4, wherein the fit clearance between the chamfer surface of the positioning sleeve and the positioning body is less than or equal to 0.005 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896153.0U CN215318301U (en) | 2021-08-13 | 2021-08-13 | Positioning tool for circular shaft product with hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121896153.0U CN215318301U (en) | 2021-08-13 | 2021-08-13 | Positioning tool for circular shaft product with hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215318301U true CN215318301U (en) | 2021-12-28 |
Family
ID=79577480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121896153.0U Active CN215318301U (en) | 2021-08-13 | 2021-08-13 | Positioning tool for circular shaft product with hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215318301U (en) |
-
2021
- 2021-08-13 CN CN202121896153.0U patent/CN215318301U/en active Active
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