CN210892915U - Measuring tool for circular precision part with platform concave curved surface and equal thickness - Google Patents
Measuring tool for circular precision part with platform concave curved surface and equal thickness Download PDFInfo
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- CN210892915U CN210892915U CN201921496211.3U CN201921496211U CN210892915U CN 210892915 U CN210892915 U CN 210892915U CN 201921496211 U CN201921496211 U CN 201921496211U CN 210892915 U CN210892915 U CN 210892915U
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Abstract
The utility model discloses a measuring tool for circular precision parts with equal thickness and platform concave curved surfaces, which comprises a measuring base, a connecting seat, a locking nut, a plurality of stop blocks and a dial indicator; the dial gauge is characterized in that a connecting hole is formed in the measuring base, threads are arranged in the connecting hole, the connecting base is of an internal penetrating structure, threads are arranged on the outer surface of the connecting base, a partition plate is arranged in the middle of the connecting base along the circumferential direction, one end of the connecting base rotates in the connecting hole, the partition plate is tightly attached to the surface of the measuring base, a measuring rod provided with a measuring head penetrates through the connecting base, the measuring head extends out of the measuring base, a locking nut is sleeved on the measuring rod and rotates on the threads at the other end of the connecting base, and the dial gauge; the measuring base uses the middle part as the circle center, two fixing holes are arranged on the circumference line with the same diameter, and the fixing holes are respectively fixed with a stop block through screws. The utility model has the advantages of simple structure, the measuring result is accurate.
Description
Technical Field
The utility model belongs to the technical field of mechanical measuring tool, concretely relates to circular measuring tool who takes concave curved surface of platform uniform thickness precision part.
Background
The existing measuring device for processing circular and flat concave curved surface equal-thickness precision parts by using infrared laser elements in the industry shares a measuring platform with a convex curved surface; the measuring device in the prior art comprises a circular ring and a V-shaped groove, wherein a part to be measured is a circular part with a platform, a concave curved surface and the same thickness, a convex curved surface of the part to be measured is an A surface, and a concave curved surface is a B surface, so that when the measuring device in the prior art is used for measuring, the difference between the edge of the surface of the part B to be measured and the edge of the surface of a dial indicator measuring needle which is perpendicular to the edge of the surface of the part B to be measured and rotates for one circle is positioned by adopting the circular ring (which is in contact with the edge of the surface of the part A; the problem that the A surface and the B surface of a part to be measured are not the same reference surface (a platform and an excircle of the part to be measured) can occur when the conventional measuring device is used for measuring a circular part with a platform and a concave curved surface, so that a measuring result has large errors, is inaccurate and cannot meet the processing and measuring requirements.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims to provide a circular measuring tool who takes platform concave curved surface uniform thickness precision part to prior art's not enough.
The technical scheme is as follows: the utility model relates to a measuring tool for circular precision parts with equal thickness and concave curved surfaces of platforms, which comprises a measuring base, a connecting seat, a locking nut, a plurality of stop blocks and a dial indicator; the dial gauge is characterized in that a connecting hole is formed in the measuring base, threads are arranged in the connecting hole, the connecting base is of an internal penetrating structure, threads are arranged on the outer surface of the connecting base, a partition plate is arranged in the middle of the connecting base along the circumferential direction, one end of the connecting base rotates in the connecting hole, the partition plate is tightly attached to the surface of the measuring base, a measuring rod provided with a measuring head penetrates through the connecting base, the measuring head extends out of the measuring base, a locking nut is sleeved on the measuring rod and rotates on the threads at the other end of the connecting base, and the dial gauge; the measuring base uses the middle part as a circle center, two fixing holes are arranged on a circumference line with the same diameter, stop blocks are respectively fixed on the fixing holes through screws, the stop blocks are located on the outer side of the measuring head and located on the same side face with the measuring head, the concave curved surface of the part to be measured is placed on the measuring base downwards, the outer circle of a platform of the part to be measured abuts against the stop blocks, and the measuring head is in contact with the surface edge of the concave curved surface.
Preferably, the measuring base is a circular structure with a thickness of 10mm, and the diameter of the circular structure is larger than that of the part to be measured.
Preferably, the dial indicator is a 0-5mm measuring range dial indicator of Japan Sanfeng.
Preferably, the connection surface of the stop block and the measuring base is a plate-shaped structure with a long-strip-shaped hole, the stop block penetrates through the long-strip-shaped hole through a screw to be connected with the measuring base, a plug is fixed at one end of the plate-shaped structure close to the measuring head, and the outer circle of the platform of the part to be measured abuts against the plug.
Preferably, the connecting hole is internally stepped, the hole at one end of the connecting hole is matched with the diameter of the measuring head, the hole at the other end of the connecting hole is matched with the outer diameter of the connecting seat, the outer diameter of the connecting seat is larger than the diameter of the measuring head, and the diameter of the cavity in the connecting seat is matched with the outer diameter of the measuring rod.
Preferably, the end part of the connecting seat connected with the locking nut is in a round table shape, the diameter of the end part is smaller than the diameter of the inner side of the end part, the shape of an inner opening of the outer end of the locking nut is matched with that of the round table-shaped end part of the connecting seat, a limiting hole matched with the diameter of the measuring rod is formed in the outer end of the locking nut, and the dial indicator is locked on the connecting seat through the locking nut to be vertically positioned.
Has the advantages that: (1) the measuring device of the utility model has simple structure, low cost, convenient adjustment, simple operation, convenient measurement, high measurement precision and accurate measurement result;
(2) the utility model is provided with the strip-shaped hole on the stop block, and the relative position of the stop block is limited by the screw, so that the utility model is suitable for parts to be measured with different diameters; the utility model provides a length that the amesdial stretches out the gauge head of measuring base can lock the adjustment according to lock nut, through mutually supporting of these two parts, can make the utility model is suitable for a part that awaits measuring of different diameters improves the utility model discloses a reuse rate practices thrift the cost.
Drawings
Fig. 1 is a schematic structural diagram of a measuring tool according to the present invention;
fig. 2 is a cross-sectional view of a measuring tool according to the present invention;
fig. 3 is a top view and a side view of the measuring base according to the present invention;
fig. 4 is a sectional view and a front view of the connecting seat of the present invention;
fig. 5 is a cross-sectional view of the lock nut of the present invention;
fig. 6 is a front view and a side view of the stopper of the present invention;
fig. 7 is a schematic structural view of the screw according to the present invention;
fig. 8 is a schematic structural diagram of the to-be-measured component of the present invention;
fig. 9 is a schematic structural view of the part to be measured placed on the measuring tool of the present invention.
In the figure, 1-a measuring base, 2-a connecting seat, 3-a locking nut, 4-a stop block, 5-a screw, 6-a dial indicator and 7-a part to be measured.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): a measuring tool for circular precision parts with equal thickness and concave curved surfaces of platforms is shown in attached figures 1 and 2 and comprises a measuring base 1, a connecting seat 2, a locking nut 3, a plurality of stop blocks 4 and a dial indicator 6; as shown in the attached figure 3, the measuring base 1 is a circular structure with a thickness of 10mm, the diameter of the circular structure is larger than that of a part to be measured, a connecting hole is arranged on the measuring base 1, threads are arranged in the connecting hole, the inside of the connecting hole is step-shaped, the opening of one end of the connecting hole is matched with the diameter of a measuring head, the opening of the other end of the connecting hole is matched with the outer diameter of the connecting base 2, the connecting base 2 is an internal through structure, the outer surface of the connecting base is provided with threads, the middle part of the connecting base is provided with a partition plate along the circumferential direction, the outer diameter of the connecting base 2 is larger than that of the measuring head, the diameter of the cavity inside the connecting base 2 is matched with the outer diameter of a measuring rod, one end of the connecting base 2 rotates in the connecting hole, the partition plate is tightly attached to, the measuring head extends out of the measuring base 1, a locking nut 3 is sleeved on the measuring rod, the locking nut 3 rotates on a thread at the other end of the connecting seat 2, and the dial indicator 6 is locked and positioned; as shown in fig. 4 and 5, the end part of the connecting seat 2 connected with the lock nut 3 is in a truncated cone shape, the diameter of the end part is smaller than the diameter of the inner side of the end part, the shape of the inner opening of the outer end of the lock nut 3 is matched with that of the truncated cone-shaped end part of the connecting seat 2, the outer end of the lock nut 3 is provided with a limiting hole matched with the diameter of the measuring rod, and the dial indicator 6 is locked on the connecting seat 2 through the lock nut 3 for vertical positioning; the measuring base 1 uses the middle part as a circle center, two fixing holes are arranged on a circumference line with the same diameter, the fixing holes are respectively and fixedly provided with a stop block 4 through screws 5, as shown in attached figures 6 and 7, the connecting surface of the stop block 4 and the measuring base 1 is a plate-shaped structure provided with a long-strip-shaped hole, the stop block 4 penetrates through the long-strip-shaped hole through the screws 5 to be connected with the measuring base 1, one end of the plate-shaped structure, close to the measuring head, is fixedly provided with a plug, the platform excircle of the part to be measured abuts against the plug, the stop block 4 is positioned on the outer side of the measuring head and is positioned on the same side face with the measuring head, the concave curved surface of the part to be measured is placed on the measuring base 1 downwards, the platform excircle of the part.
The utility model discloses can adjust the relative position of dog according to the diameter of part that awaits measuring to adjust the extension length of the gauge head of amesdial through lock nut, measure the base and also can adjust according to the diameter of the part that awaits measuring, the utility model discloses when installing, at first install amesdial 6 on connecting seat 2 perpendicularly, adjust the interval of amesdial gauge head and measurement base working surface according to the part that awaits measuring, then with fix with screw on measuring the base working surface for the dog, according to the gauge head contact of part diameter and concave curved surface edge (0.5-1mm) and amesdial that awaits measuring, adjust the position of end cap through rectangular shape hole, lock the dog, measuring tool assembly adjustment is accomplished.
As shown in fig. 8 and 9, the outer circle of the platform of the part to be measured abuts against the stop block, the concave curved surface side of the part to be measured, namely the platform surface of the surface B, is tightly attached to the working plane of the measuring base, and the measurement that the edge of the surface B of the part with the outer circle and the platform as the reference surfaces and the measuring head of the dial indicator vertically rotate for a circle on the edge of the surface B is completed; the difference value of the jump of the dial indicator is a measured value of the eccentricity of the concave curved surface.
Below we with the measuring device among the prior art with the utility model measuring tool carries out the cubic to the part that awaits measuring of two kinds of different specifications respectively and measures, and this test's experimental data is as shown in the following table:
can know by the cubic test data of above two kinds of different specifications part that awaits measuring, measuring tool's the inclined to one side precision that detects data in concave curved surface center is obviously higher than current measuring device's precision.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A measuring tool for circular precision parts with equal thickness and concave curved surfaces of platforms is characterized by comprising a measuring base, a connecting seat, a locking nut, a plurality of stop blocks and a dial indicator; the dial gauge is characterized in that a connecting hole is formed in the measuring base, threads are arranged in the connecting hole, the connecting base is of an internal penetrating structure, threads are arranged on the outer surface of the connecting base, a partition plate is arranged in the middle of the connecting base along the circumferential direction, one end of the connecting base rotates in the connecting hole, the partition plate is tightly attached to the surface of the measuring base, a measuring rod provided with a measuring head penetrates through the connecting base, the measuring head extends out of the measuring base, a locking nut is sleeved on the measuring rod and rotates on the threads at the other end of the connecting base, and the dial gauge; the measuring base uses the middle part as a circle center, two fixing holes are arranged on a circumference line with the same diameter, the fixing holes are respectively and fixedly provided with a stop dog through screws, the stop dog is positioned on the outer side of the measuring head and positioned on the same side face with the measuring head, the concave curved surface of the part to be measured is placed on the measuring base downwards, the outer circle of the platform of the part to be measured abuts against the stop dog, and the measuring head is in contact with the surface edge of the concave curved surface.
2. The tool for measuring the circular precision part with the platform, the concave curved surface and the uniform thickness as claimed in claim 1, wherein the measuring base is a circular structure with the thickness of 10mm, and the diameter of the circular structure is larger than that of the part to be measured.
3. The measuring tool for the circular equal-thickness precision part with the platform and the concave curved surface according to claim 1, wherein the dial indicator is a 0-5mm measuring range dial indicator of Sanfeng Japan.
4. The tool for measuring the circular precision part with the platform, the concave curved surface and the uniform thickness as the precision part as the claim 1, wherein the connection surface of the stop block and the measuring base is a plate-shaped structure with a long-strip-shaped hole, the stop block is connected with the measuring base by a screw penetrating through the long-strip-shaped hole, a plug is fixed at one end of the plate-shaped structure close to the measuring head, and the outer circle of the platform of the part to be measured is abutted against the plug.
5. The tool for measuring the circular precision part with the flat concave curved surface and the uniform thickness as claimed in claim 1, wherein the connecting hole is stepped, the hole at one end of the connecting hole is matched with the diameter of the measuring head, the hole at the other end of the connecting hole is matched with the outer diameter of the connecting seat, the outer diameter of the connecting seat is larger than the diameter of the measuring head, and the diameter of the cavity in the connecting seat is matched with the outer diameter of the measuring rod.
6. The measuring tool for the circular precision parts with the platform and the concave curved surfaces and the same thickness as the circular precision parts with the platform according to claim 5 is characterized in that the end part of the connecting seat connected with the locking nut is in a circular truncated cone shape, the diameter of the end part is smaller than the diameter of the inner side of the end part, the shape of an inner opening of the outer end of the locking nut is matched with that of the circular truncated cone end part of the connecting seat, a limiting hole matched with the diameter of the measuring rod is formed in the outer end of the locking nut, and the dial indicator is locked on the connecting seat through the locking nut to be.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496211.3U CN210892915U (en) | 2019-09-10 | 2019-09-10 | Measuring tool for circular precision part with platform concave curved surface and equal thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496211.3U CN210892915U (en) | 2019-09-10 | 2019-09-10 | Measuring tool for circular precision part with platform concave curved surface and equal thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892915U true CN210892915U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921496211.3U Active CN210892915U (en) | 2019-09-10 | 2019-09-10 | Measuring tool for circular precision part with platform concave curved surface and equal thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892915U (en) |
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2019
- 2019-09-10 CN CN201921496211.3U patent/CN210892915U/en active Active
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