CN213515347U - Precision measurement device for precision finishing - Google Patents
Precision measurement device for precision finishing Download PDFInfo
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- CN213515347U CN213515347U CN202022694021.1U CN202022694021U CN213515347U CN 213515347 U CN213515347 U CN 213515347U CN 202022694021 U CN202022694021 U CN 202022694021U CN 213515347 U CN213515347 U CN 213515347U
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- precision
- rotary platform
- micrometer
- cross beams
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- 238000005259 measurement Methods 0.000 title claims abstract description 21
- 238000003754 machining Methods 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a precision measurement device for precision finishing, the on-line screen storage device comprises a base, rotary platform, measuring mechanism and anchor clamps, rotary platform rotatably connects the base, and be located the top of base, anchor clamps fixed mounting is on rotary platform's surface, measuring mechanism includes the stand, the crossbeam, and the micrometer screw rod, a plurality of stand fixed connection rotary platform's edge, and all be vertical setting, the crossbeam is equipped with two, two equal fixed connection stands of crossbeam, and be located rotary platform's both sides respectively, two crossbeams are the level setting, and be parallel to each other, the one end fixed connection of two crossbeams is equipped with horizontally indicator scale, the micrometer screw rod is equipped with a plurality of roots, the equal fixed connection crossbeam of a plurality of micrometer screw rods, and be the level setting, the micrometer screw rod all is perpendicular with the crossbeam of being connected. The utility model belongs to the technical field of the size measurement, advantage compared with prior art lies in: convenient to use, measurement are accurate.
Description
Technical Field
The utility model relates to a size measurement technical field specifically indicates a precision measurement device for precision finishing.
Background
In the process of precisely machining and detecting parts, the dimensional accuracy of the parts needs to be measured, and the deviation value of the parts needs to be recorded. The existing measurement means mostly adopt contact type or non-contact type measurement, the non-contact type measurement equipment is large and high in cost, and the contact type measurement means mostly adopt tools such as a vernier caliper and a screw micrometer, but the handheld measurement error is large.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a precision measurement device for precision finishing convenient to use, measurement accuracy.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the precision measuring device for precision machining comprises a base, a rotary platform, a measuring mechanism and a clamp, wherein the rotary platform is rotatably connected with the base, and is positioned above the base, the clamp is fixedly arranged on the surface of the rotating platform, the measuring mechanism comprises upright posts, a cross beam and a micrometer screw rod, a plurality of upright posts are fixedly connected with the edge of the rotating platform, and are vertically arranged, the two crossbeams are fixedly connected with the upright posts, and are respectively positioned at two sides of the rotary platform, the two crossbeams are horizontally arranged and are mutually parallel, one end of each crossbeam is fixedly connected with a horizontal indicating scale, the micrometer screw rods are provided with a plurality of screws, the micrometer screw rods are fixedly connected with the cross beam and are horizontally arranged, and the micrometer screw rods are perpendicular to the connected cross beam.
Further, the base is a hollow shell, a rotatable spindle is arranged in the center of the base, the upper end of the spindle is fixedly connected with the rotating platform, a ratchet wheel is fixedly mounted on the spindle, a pawl meshed with the ratchet wheel is arranged on the base in a sliding mode, the pawl is rod-shaped and penetrates through the base, and a spring enabling the pawl to move towards the ratchet wheel is arranged on the pawl.
Further, the ratchet wheel is a bidirectional ratchet wheel, four tooth grooves are formed in the ratchet wheel along the circumferential direction, and the interval between every two tooth grooves is 90 degrees.
Further, the clamp is a bench clamp or a pneumatic suction cup or a magnetic suction cup or a three-jaw chuck.
Furthermore, the extension directions of the screws of the micrometer screws all face the central line of the rotating platform, and the plurality of micrometer screws on the two cross beams are arranged in two pairs and are coaxially.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model discloses utilize the fixed work piece of anchor clamps on the rotary platform to micrometer screw through both sides carries out the contact measurement to the work piece, thereby subtracts micrometer screw through the instruction scale and obtains the work piece size, has measured the back in one side of work piece, but rotary platform makes it carry out the multiaspect and measures repeatedly, and the work piece only needs once to press from both sides the dress and can measure repeatedly, and is simple to use, measure accurate.
Drawings
Fig. 1 is a plan view of the precision measuring device for precision machining according to the present invention.
Fig. 2 is a front structure view of the precision measuring device for precision machining of the present invention.
Fig. 3 is a schematic view of the ratchet structure of the precision measuring device for precision machining of the present invention.
As shown in the figure: 1. the device comprises a base, 2, a rotating platform, 3, a measuring mechanism, 4, a clamp, 5, a stand column, 6, a cross beam, 7, a micrometer screw, 8, an indicating scale, 9, a main shaft, 10, a ratchet wheel, 11, a pawl, 12 and a spring.
Detailed Description
The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.
Examples, see FIGS. 1-3: the utility model relates to a precision measuring device for precision machining, which comprises a base 1, a rotary platform 2, a measuring mechanism 3 and a clamp 4, wherein the rotary platform 2 is rotatably connected with the base 1 and is positioned above the base 1, the clamp 4 is fixedly arranged on the surface of the rotary platform 2, the measuring mechanism 3 comprises a plurality of upright posts 5, cross beams 6 and micrometer screws 7, the upright posts 5 are fixedly connected with the edge of the rotary platform 2 and are vertically arranged, the cross beams 6 are provided with two cross beams 6, the two cross beams 6 are fixedly connected with the upright posts 5 and are respectively positioned at two sides of the rotary platform 2, the two cross beams 6 are horizontally arranged and are parallel to each other, one end of the two cross beams 6 is fixedly connected with a horizontal indicating scale 8, the indicating scale 8 is parallel to the cross beams 6, and the distance between the inner wall edges of the two cross beams 6 can be constantly reminded through the indicating scale 8, thereby facilitating the calculation; the micrometer screw 7 is provided with a plurality of screws, and the front end of the micrometer screw 7 can be conical, so that the measurement is convenient; the micrometer screws 7 are all fixedly connected with the cross beam 6 and horizontally arranged, the micrometer screws 7 are all perpendicular to the connected cross beam 6, the measuring part of the micrometer screws 7, namely the screws, the starting part of the micrometer screws and the inner side wall of the cross beam 6 are located on the same vertical plane, and the assembling precision of the micrometer screws is the same as that of the micrometer screws 7.
The base 1 is a hollow shell, a rotatable spindle 9 is arranged in the center of the base 1, the spindle 9 is installed in a spindle seat, and the spindle is rotatably installed in the center of the base 1 through the spindle seat; the upper end of the main shaft 9 is fixedly connected with the rotating platform 2, a ratchet 10 is fixedly mounted on the main shaft 9 through key connection, a pawl 11 meshed with the ratchet 10 is arranged on the base 1 in a sliding mode, the pawl 11 is rod-shaped, and the front section of the pawl 11 can be meshed with the ratchet 10; the rear end of the pawl 11 penetrates through the base 1, the pawl 11 is provided with a spring 12 which enables the pawl to move towards the ratchet wheel 10, and two ends of the spring 12 are respectively abutted against the front end of the pawl 11 and the inner wall of the base 1, so that the pawl 11 is pressed against the ratchet wheel 10 by taking the inner wall of the base 1 as a support; the ratchet wheel 10 is a bidirectional ratchet wheel 10, four tooth grooves are formed in the ratchet wheel 10 along the circumferential direction, the interval between every two tooth grooves is 90 degrees, a workpiece can be conveniently rotated by arranging a ratchet wheel 10 locking mechanism capable of rotating for 90 degrees every time, and position locking is achieved, so that measurement is facilitated;
the clamp 4 is a bench clamp or a pneumatic sucker or a magnetic sucker or a three-jaw chuck, and the magnetic sucker is used as the clamp 4 of the workpiece in the embodiment;
the extension directions of the screws of the micrometer screws 7 all face to the central line of the rotary platform 2, and the plurality of micrometer screws 7 on the two cross beams 6 are arranged in two pairs and are coaxially arranged.
When the device is used specifically, a workpiece is fixed by the clamp 4, then the micrometer screw 7 is clamped inwards to touch the workpiece, so that reading and ranging are carried out, and the size of the measured workpiece can be obtained by subtracting the reading of the coaxial micrometer screw 7 from the reading of the indicating scale 8; after one-time measurement is completed, the pawl 11 is pulled, the rotating platform 2 is rotated, the workpiece can rotate by 90 degrees to perform side measurement, or the workpiece can rotate by 180 degrees to perform retest, and the measurement accuracy can be ensured.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a precision measurement device for precision finishing which characterized in that: comprises a base (1), a rotary platform (2), a measuring mechanism (3) and a clamp (4), wherein the rotary platform (2) is rotatably connected with the base (1) and is positioned above the base (1), the clamp (4) is fixedly arranged on the surface of the rotary platform (2), the measuring mechanism (3) comprises stand columns (5), cross beams (6) and micrometer screws (7), the stand columns (5) are fixedly connected with the edge of the rotary platform (2) and are vertically arranged, the cross beams (6) are provided with two cross beams (6), the cross beams (6) are fixedly connected with the stand columns (5) and are respectively positioned at two sides of the rotary platform (2), the cross beams (6) are horizontally arranged and are parallel to each other, one end of each cross beam (6) is fixedly connected with a horizontal indicating scale (8), the micrometer screw rods (7) are provided with a plurality of screws, the micrometer screw rods (7) are all fixedly connected with the cross beam (6) and are horizontally arranged, and the micrometer screw rods (7) are all perpendicular to the connected cross beam (6).
2. The precision measuring apparatus for precision machining according to claim 1, characterized in that: base (1) is inside hollow casing, base (1) central authorities are equipped with rotatable main shaft (9), the upper end fixed connection of main shaft (9) rotary platform (2), fixed mounting has ratchet (10) on main shaft (9), slide on base (1) be equipped with ratchet (10) meshed pawl (11), pawl (11) are shaft-like, and link up base (1), be equipped with on pawl (11) make its to spring (12) of ratchet (10) motion.
3. The precision measuring apparatus for precision machining according to claim 2, characterized in that: the ratchet wheel (10) is a bidirectional ratchet wheel (10), four tooth grooves are formed in the ratchet wheel (10) along the circumferential direction, and the interval between every two tooth grooves is 90 degrees.
4. The precision measuring apparatus for precision machining according to claim 1, characterized in that: the clamp (4) is a bench clamp, a pneumatic sucker, a magnetic sucker or a three-jaw chuck.
5. The precision measuring apparatus for precision machining according to claim 1, characterized in that: the extension directions of the screws of the micrometer screws (7) all face to the central line of the rotating platform (2), and the micrometer screws (7) on the two cross beams (6) are arranged in a pair and in a coaxial mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022694021.1U CN213515347U (en) | 2020-11-19 | 2020-11-19 | Precision measurement device for precision finishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022694021.1U CN213515347U (en) | 2020-11-19 | 2020-11-19 | Precision measurement device for precision finishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213515347U true CN213515347U (en) | 2021-06-22 |
Family
ID=76424590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022694021.1U Active CN213515347U (en) | 2020-11-19 | 2020-11-19 | Precision measurement device for precision finishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213515347U (en) |
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2020
- 2020-11-19 CN CN202022694021.1U patent/CN213515347U/en active Active
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