CN216717239U - Angle positioning device for small-shaft-diameter and small-bore workpieces - Google Patents
Angle positioning device for small-shaft-diameter and small-bore workpieces Download PDFInfo
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- CN216717239U CN216717239U CN202123003727.XU CN202123003727U CN216717239U CN 216717239 U CN216717239 U CN 216717239U CN 202123003727 U CN202123003727 U CN 202123003727U CN 216717239 U CN216717239 U CN 216717239U
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Abstract
The utility model provides an angle positioning device for small-shaft-diameter and small-bore workpieces, which comprises an angle measuring device and an angle positioning device, wherein the angle measuring device comprises an angle scale and a positioning piece; the end surface of the outer edge is provided with an annular groove; positioning holes are formed in the circumferential outer side of the angle scale and provided with positioning pieces; the angle positioning device comprises a sliding ring, a supporting rod, a shaft supporting seat, a rotating shaft and a positioning ruler; the sliding ring is nested in the annular groove of the angle scale; one end of the supporting rod is connected with the sliding ring, the other end of the supporting rod is fixedly provided with a shaft supporting seat, a copper sleeve is arranged in the shaft supporting seat, and a rotating shaft is arranged in clearance fit with the copper sleeve; the rotating shaft is rigidly connected with a positioning ruler; the utility model realizes the angle positioning of the shaft diameter aperture by combining the sliding ring and the angle scale and matching with the rotating shaft to drive the positioning ruler to rotate.
Description
Technical Field
The utility model relates to an auxiliary device in the field of ship construction, in particular to an angle positioning device for a workpiece with a small shaft diameter and a small hole diameter.
Background
Nowadays, with the rapid development of the ship manufacturing industry, the precision requirements of ships on various manufacturing tasks in repair and manufacture engineering are higher and higher, and especially the precision requirements on the positioning angles of small-shaft-diameter and small-bore workpieces exceed the precision of the aperture positioning angles obtained by using the traditional metering mode.
The existing angle positioning method is to calculate the angle of the phase difference of each hole, determine the position of one hole, calculate the hole distance between the hole and other holes to be determined through a trigonometric function, and then position other holes. The conventional hole pitch calculation has the following disadvantages: 1. the calculation is complicated, the calculation result needs to be checked repeatedly, the workload is increased, and the construction period is prolonged. 2. The operability is poor, and for small shaft diameters or small hole diameters, accurate angles generated in the calculation process are not easy to find out, so that the construction accuracy is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an angle positioning device for small-shaft-diameter and small-bore workpieces, which aims to position the angles of shaft diameter and bore diameter simply and easily and ensure the positioning precision of fixed angle. The device realizes the accurate positioning of the angle of the workpiece by assembling the angle positioning device on the angle measuring device, wherein the angle measuring device
The outer edge of the angle scale is provided with an annular groove, a sliding ring is embedded in the groove and connected with a supporting rod and a shaft supporting seat, a rotating shaft is arranged in a clearance fit mode through a copper sleeve, the axis of the rotating shaft is coincided with the circle center of the angle scale, the positioning ruler arranged on the rotating shaft is driven through rotation of the rotating shaft, axial rotation of the positioning ruler is achieved, the positioning ruler is rotated to each required angle, angle positioning is achieved, and the technical problem of small-shaft-diameter and small-hole-diameter workpiece angle positioning is solved.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the angle positioning device for the small-shaft-diameter and small-bore workpieces comprises an angle measuring device and an angle positioning device, wherein the angle measuring device comprises an angle scale and a positioning piece; the angle scale is a thick annular disc, the inner edge end face of the angle scale is provided with angle scales, and the angle scale finely divides the angle scale into 360 degrees; the end surface of the outer edge is provided with an annular groove; positioning holes are formed in the circumferential outer side of the angle scale, and positioning pieces are movably mounted in the positioning holes; the angle positioning device comprises a sliding ring, a supporting rod, a shaft supporting seat, a rotating shaft and a positioning ruler; the sliding ring is nested in an annular groove of the angle scale and can roll in the annular groove; one end of the supporting rod is connected with the sliding ring through a pin shaft, and the two ends of the pin shaft are fixed through clamp springs so that the supporting rod can rotate; a shaft supporting seat is fixedly arranged at the other end, a copper sleeve is arranged in the shaft supporting seat, and a rotating shaft is arranged in clearance fit with the copper sleeve; the rotating shaft is rigidly connected with a positioning ruler; the axis of the rotating shaft coincides with the circle center of the angle scale.
Furthermore, at least two detachable grips are screwed in the end face of the angle scale through screw holes for auxiliary measurement.
Furthermore, the positioning piece is a positioning pin or a built-in jackscrew, and the length of the positioning piece is adjusted through a positioning hole in the side surface of the angle scale, so that the positioning of the angle scale is realized; the number of the positioning holes is four, and the positioning holes are evenly distributed on the side face of the angle scale.
Furthermore, the middle parts of the supporting rod and the positioning ruler are provided with strip-shaped observation seams, and angle scales on the angle scale can be accurately locked through the observation seams.
The positive effects are as follows: the angle positioning device has the advantages that the sliding ring is combined with the angle scale, the rotating shaft is matched to drive the positioning ruler to rotate, the angle positioning of the diameter of the shaft is realized, the angle scale is accurately locked through the observation seam, the angle positioning accuracy is ensured by using the angle positioning device, the operability is strong, the sliding ring and the rotating shaft provide great flexibility for the angle positioning, the use is convenient, the processing efficiency and the processing quality are effectively improved, and the angle positioning device is suitable for being used as an angle positioning device for small-shaft-diameter and small-diameter workpieces.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the angular positioning within the hole of the present invention;
FIG. 4 is a schematic view of the on-axis angular positioning of the present invention.
In the figure, 1 is an angle scale, 1.1 is an angle scale, 2 is a positioning piece, 3 is a detachable handle, 4 is a sliding ring, 5 is a supporting rod, 6 is a shaft supporting seat, 7 is a rotating shaft, 8 is a positioning ruler, and 9 is a workpiece to be machined.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the figure, the angle positioning device for the small-shaft-diameter and small-bore workpieces comprises an angle measuring device and an angle positioning device, wherein the angle measuring device comprises an angle scale 1 and a positioning piece 2; the angle scale 1 is a thick annular disc, an angle scale 1.1 is arranged on the inner edge end face, and the angle scale 1.1 finely divides the angle scale 1 into 360 degrees; the end surface of the outer edge is provided with an annular groove; positioning holes are formed in the circumferential outer side of the angle scale 1, and positioning pieces 2 are movably mounted in the positioning holes;
the angle positioning device comprises a sliding ring 4, a support rod 5, a shaft support seat 6, a rotating shaft 7 and a positioning ruler 8;
the sliding ring 4 is nested in an annular groove of the angle scale 1 and can roll in the annular groove;
one end of the support rod 5 is connected with the sliding ring 4 through a pin shaft, and two ends of the pin shaft are fixed through clamp springs, so that the support rod 5 can rotate; a shaft supporting seat 6 is fixedly arranged at the other end, a copper sleeve is arranged in the shaft supporting seat 6, and a rotating shaft 7 is arranged in clearance fit with the copper sleeve; the rotating shaft 7 is rigidly connected with a positioning ruler 8;
the axis of the rotating shaft 7 coincides with the center of the angle scale 1.
Preferably, at least two detachable grips 3 are screwed into the end face of the angle scale 1 through screw holes for auxiliary measurement.
Preferably, the positioning piece 2 is a positioning pin or a built-in jackscrew, the length extending from the inner side and the outer side of the angle scale is adjusted in a spiral mode through a positioning hole on the side surface of the angle scale 1, and the positioning of the angle scale relative to the outer part and the inner part of the workpiece to be machined is realized through the positioning piece; the number of the positioning holes is four, and the positioning holes are circumferentially and uniformly distributed on the side face of the angle scale 1.
Preferably, the middle parts of the supporting rod 5 and the positioning ruler 8 are respectively provided with a strip-shaped observation seam, and the angle scales 1.1 on the angle scale can be accurately locked through the observation seams.
The first embodiment is as follows:
taking the example that the angle of the flange hole of 430mm needs to be positioned and determined for 16 flange holes, the forming step and the forming process are specifically explained.
The first step is as follows: the detachable handle 3 is held by hand, the center of the aperture is found out, the center of the angle scale 1 and the center of the flange hole of the workpiece 9 to be processed are coincided, the angle scale 1 is fixed through the positioning piece 2, the length of the positioning piece 2 can be adjusted according to the aperture, and the angle scale 1 and the hole coaxiality are achieved.
The second step is that: after the fixing is completed, the detachable grip 3 is detached.
The third step: the slip ring 4 is slid to a position convenient for construction work.
The fourth step: and dividing the 360 degrees by the number of holes to be positioned to obtain a quotient value of 22.5 degrees, thus obtaining the angle difference between the points to be positioned.
The fifth step: a point is marked at the 0 degree position as a starting point.
And a sixth step: and rotating the rotating shaft 7 to drive the positioning ruler 8 through the quotient value to obtain other points to be found.
The seventh step: after each point is found out, the detachable handle 3 is installed, the positioning pin is detached by holding the detachable handle, and the angle positioning of the aperture is completed.
Example two:
taking the example that the rudder stock top sealing plate with 360mm needs to determine the angle positioning of 3 bolt holes, the forming step and the forming process are specifically explained.
The first step is as follows: after finishing the finish machining of the shaft section, the detachable handle 3 is held by hand, the center of the shaft of the workpiece 9 to be machined is found out, the center of the angle scale 1 is superposed with the center of the shaft, and the angle positioning device and the shaft center are precisely aligned and fixed by using a jackscrew arranged in the angle scale 1.
The second step is that: after the fixing is completed, the detachable grip 3 is detached.
The third step: the slip ring 4 is slid to a position convenient for construction work.
The fourth step: and dividing 360 degrees by the number 3 of the bolt holes to be positioned and processed to obtain a quotient of 120 degrees, and obtaining the angle difference between the bolt holes to be positioned and processed.
The fifth step: a point is marked at the 0 degree position as a starting point.
And a sixth step: through the quotient, the rotating shaft 7 is rotated to drive the positioning ruler 8, and positioning points of other bolt holes to be positioned are obtained.
The seventh step: after every setpoint is found out, install removable handle 3, handheld removable handle 3 dismantles the locating pin, accomplishes the bolt hole angular positioning of axle promptly.
The principle is as follows: this device is through the setting element with angle scale 1 with treat that machined part 9 is relatively fixed to ensure the centre of a circle of angle scale 1 and treat machined part 9 center coincidence, utilize slip ring 4 rotatory and axis of rotation 7 to drive 8 axial rotations of locating rule and realize nimble operation on angle scale 1, aim at angle scale 1.1 through observing seam 1.1 and realize accurate location, prepare to mark and treat the processing point, thereby realize the angle location of little shaft diameter and little aperture work piece.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (4)
1. Angle positioning device of minor axis footpath and minor axis footpath work piece, including angle measuring device and angle positioning device, its characterized in that:
the angle measuring device comprises an angle scale (1) and a positioning piece (2);
the angle scale (1) is in a thick circular ring shape, an angle scale (1.1) is arranged on the inner edge end face, and the angle scale (1.1) finely divides the angle scale into 360 degrees; the end surface of the outer edge is provided with an annular groove; positioning holes are formed in the circumferential outer side of the angle scale (1), and positioning pieces (2) are movably mounted in the positioning holes;
the angle positioning device comprises a sliding ring (4), a supporting rod (5), a shaft support seat (6), a rotating shaft (7) and a positioning ruler (8); the sliding ring (4) is nested in an annular groove of the angle scale (1) and can roll in the annular groove;
one end of the support rod (5) is connected with the sliding ring (4) through a pin shaft, and two ends of the pin shaft are fixed through clamp springs, so that the support rod (5) can rotate; a shaft supporting seat (6) is fixedly arranged at the other end, a copper sleeve is arranged in the shaft supporting seat (6), and a rotating shaft (7) is arranged in clearance fit with the copper sleeve; the rotating shaft (7) is rigidly connected with a positioning ruler (8);
the axis of the rotating shaft (7) is superposed with the circle center of the angle scale (1).
2. The small-axis and small-aperture workpiece angular positioning apparatus of claim 1, further comprising:
the end face of the angle scale (1) is screwed into at least two detachable grips (3) through screw holes for auxiliary measurement.
3. The small-axis and small-aperture workpiece angular positioning apparatus of claim 1, further comprising:
the positioning piece (2) is a positioning pin or a built-in jackscrew, and the length is adjusted through a positioning hole in the side surface of the angle scale (1) to realize the positioning of the angle scale; the number of the positioning holes is four, and the positioning holes are uniformly distributed on the side face of the angle scale (1).
4. The small-axis and small-aperture workpiece angular positioning apparatus of claim 1, further comprising:
the middle parts of the supporting rod (5) and the positioning ruler (8) are provided with strip-shaped observation seams, and angle scales (1.1) on the angle scale can be accurately locked through the observation seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003727.XU CN216717239U (en) | 2021-12-02 | 2021-12-02 | Angle positioning device for small-shaft-diameter and small-bore workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003727.XU CN216717239U (en) | 2021-12-02 | 2021-12-02 | Angle positioning device for small-shaft-diameter and small-bore workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216717239U true CN216717239U (en) | 2022-06-10 |
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ID=81881668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003727.XU Active CN216717239U (en) | 2021-12-02 | 2021-12-02 | Angle positioning device for small-shaft-diameter and small-bore workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216717239U (en) |
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2021
- 2021-12-02 CN CN202123003727.XU patent/CN216717239U/en active Active
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