CN219083969U - Measuring device for short-arc large-diameter blade - Google Patents
Measuring device for short-arc large-diameter blade Download PDFInfo
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- CN219083969U CN219083969U CN202320117596.8U CN202320117596U CN219083969U CN 219083969 U CN219083969 U CN 219083969U CN 202320117596 U CN202320117596 U CN 202320117596U CN 219083969 U CN219083969 U CN 219083969U
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Abstract
The utility model relates to a measuring device, in particular to a measuring device for a short-arc large-diameter blade. The technical scheme of the utility model is as follows: the dial indicator comprises a base, a dial indicator seat, a sliding table block, a dial indicator seat and a blade positioning mechanism, wherein the dial indicator seat, the sliding table block and the blade positioning mechanism are arranged on the base, and the blade is arranged on the blade positioning mechanism; the upper end surface of the sliding table block is provided with an arc-shaped step, the outer arc surface of the arc-shaped step is coaxially arranged with the circle center of the counter arc surface of the counter seat and the circle center of the arc surface of the upper edge plate of the blade, and the radius of the counter arc surface of the counter seat is a theoretical value of the radius of the arc surface of the upper edge plate of the blade; the dial indicator is arranged on the dial indicator seat, and the dial indicator seat and the sliding table block are matched for measurement. The utility model can rapidly measure the radius size of the part so as to discover the size change of the part in time and adjust the processing scheme.
Description
Technical Field
The utility model relates to a measuring device, in particular to a measuring device for a short-arc large-diameter blade.
Background
When a single part of a short circular arc large-diameter blade is processed on a numerical control machine tool, the radius size of the part cannot be directly measured by a conventional measuring tool, and the measurement must be carried out on a three-coordinate measuring machine. The three-coordinate measuring machine has low measuring efficiency, and is inconvenient for operators for processing parts to know the change condition of processing dimensions in time.
Disclosure of Invention
The utility model provides a measuring device for a short-arc large-diameter blade, which can rapidly measure the radius size of a part so as to discover the size change of the part in time and adjust the processing scheme.
The technical scheme of the utility model is as follows:
the measuring device for the short circular arc large-diameter blade comprises a base, a counter seat, a sliding table block, a dial indicator seat and a blade positioning mechanism, wherein the counter seat, the sliding table block and the blade positioning mechanism are arranged on the base, and the blade is arranged on the blade positioning mechanism; the upper end surface of the sliding table block is provided with an arc-shaped step, the outer arc surface of the arc-shaped step is coaxially arranged with the circle center of the counter arc surface of the counter seat and the circle center of the arc surface of the upper edge plate of the blade, and the radius of the counter arc surface of the counter seat is a theoretical value of the radius of the arc surface of the upper edge plate of the blade; the dial indicator is arranged on the dial indicator seat, and the dial indicator seat and the sliding table block are matched for measurement.
Further, the dial indicator seat comprises a seat body, a bracket, dial indicator fixing screws and two cylindrical pins, wherein a transverse extending block is arranged at the upper part of one side of the seat body, the bracket is arranged on the upper end face of the transverse extending block, the bracket is provided with a mounting hole, and the dial indicator is mounted in the mounting hole and fixed by the dial indicator fixing screws; the two cylindrical pins are arranged in parallel on the lower end face of the transverse extending block, the lower surface of the base body is attached to the upper surface of the sliding table block, and the cylindrical pins are attached to the outer arc face of the circular arc-shaped step of the sliding table block.
Further, the blade positioning mechanism comprises a first pressing structure, a second pressing structure, a positioning structure, a first positioning ball rod, a second positioning ball rod, a first supporting pin, a second supporting pin and a third supporting pin, the first pressing structure comprises a first bottom plate, a first pressing screw and a first pressing block, the second pressing structure comprises a second bottom plate, a second pressing screw and a second pressing block, the positioning structure comprises a bottom block and a top pin, and the first bottom plate, the second bottom plate, the bottom block, the first positioning ball rod, the second positioning ball rod, the first supporting pin, the second supporting pin and the third supporting pin are fixedly arranged on the base; the first bottom plate is provided with a first supporting block, the first compression screw is transversely arranged and screwed into the first supporting block, and the first compression block is arranged at the end head of the first compression screw; the second base plate is provided with a second supporting block, the second compression screw is transversely arranged and screwed into the second supporting block, and the second compression block is arranged at the end head of the second compression screw; the top pin is transversely arranged, and the tail end of the top pin is arranged in the bottom block; the first locating ball rod is used for locating the basin side surface of the upper edge plate of the blade, the second locating ball rod is used for locating the basin side surface of the back side of the upper edge plate of the blade, the first supporting pin is used for supporting the basin side part of the exhaust edge direction of the upper edge plate of the blade, the second supporting pin is used for supporting the basin side part of the exhaust edge direction of the upper edge plate of the blade, the third supporting pin is used for supporting the basin side part of the exhaust edge direction of the lower edge plate of the blade, the top pin is used for supporting the back of the blade, the first compressing block is used for compressing the basin side surface of the upper edge plate of the blade, and the second compressing block is used for compressing the basin side surface of the lower edge plate of the blade.
The beneficial effects of the utility model are as follows: the utility model provides a simple and practical measuring device, and the processed short-arc large-diameter blade can be measured in time, so that the measuring efficiency is greatly improved. According to the utility model, the dial indicator seat slides on the measuring arc of the sliding meter block, the change quantity of the dial indicator needle can reflect the change of the numerical value of each point on the arc surface of the upper edge plate of the blade, and the processing scheme can be timely adjusted when the change quantity of the dial indicator needle is abnormal, so that the phenomenon of batch scrapping of products is avoided.
Drawings
FIG. 1 is a top view of a measuring device for a short circular arc large diameter blade;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a view in the direction B of fig. 2.
Detailed Description
1-3, a measuring device for a short circular arc large-diameter blade comprises a base 1, a meter seat 2, a slide meter block 3, a dial indicator 4, a dial indicator seat 5 and a blade positioning mechanism, wherein the meter seat 2, the slide meter block 3 and the blade positioning mechanism are arranged on the base 1, and the blade is arranged on the blade positioning mechanism; the upper end surface of the sliding table block 3 is provided with a circular arc step 6, the outer arc surface of the circular arc step 6 is coaxially arranged with the circle center of the counter arc surface of the counter seat 2 and the circle center of the arc surface 23 of the upper edge plate of the blade, and the radius of the counter arc surface of the counter seat 2 is the theoretical value of the radius of the arc surface 23 of the upper edge plate of the blade; the dial indicator 4 is arranged on the dial indicator seat 5, and the dial indicator seat 5 and the sliding table block 3 are matched for measurement.
The dial indicator seat 5 comprises a seat body 5, a bracket, dial indicator fixing screws and two cylindrical pins 7, wherein a transverse extending block is arranged at the upper part of one side of the seat body 5, the bracket is arranged on the upper end face of the transverse extending block, the bracket is provided with mounting holes, and the dial indicator 4 is mounted in the mounting holes and fixed by the dial indicator fixing screws; the two cylindrical pins 7 are arranged in parallel on the lower end face of the transverse extending block, the lower surface of the seat body 5 is attached to the upper surface of the sliding table block 3, and the cylindrical pins 7 are attached to the outer arc face of the circular arc-shaped step 6 of the sliding table block 3.
The blade positioning mechanism comprises a first pressing structure, a second pressing structure, a positioning structure, a first positioning ball rod 10, a second positioning ball rod 11, a first supporting pin 12, a second supporting pin 13 and a third supporting pin 14, wherein the first pressing structure comprises a first bottom plate, a first pressing screw 15 and a first pressing block 16, the second pressing structure comprises a second bottom plate, a second pressing screw 17 and a second pressing block 18, the positioning structure comprises a bottom block and a top pin 19, and the first bottom plate, the second bottom plate, the bottom block, the first positioning ball rod 10, the second positioning ball rod 11, the first supporting pin 12, the second supporting pin 13 and the third supporting pin 14 are fixedly arranged on the base 1; the first bottom plate is provided with a first supporting block, the first compression screw 15 is transversely arranged and screwed into the first supporting block, and the first compression block 16 is arranged at the end head of the first compression screw 15; the second base plate is provided with a second supporting block, the second compression screw 17 is transversely arranged and screwed into the second supporting block, and the second compression block 18 is arranged at the end of the second compression screw 17; the top pins 19 are arranged transversely and their tail ends are arranged in the bottom block.
The use process is as follows: the blade is arranged on the blade positioning mechanism, the first positioning ball rod 10 is positioned on the runner surface 26 of the basin side of the blade upper edge plate 22, the second positioning ball rod 11 is positioned on the runner surface 26 of the back side of the blade upper edge plate 22, the first supporting pin 12 is used for supporting the basin side part of the exhaust edge 25 of the blade upper edge plate 22, the second supporting pin 13 is used for supporting the back side part of the exhaust edge 25 of the blade upper edge plate 22, the third supporting pin 14 is used for supporting the basin side part of the exhaust edge 25 of the blade lower edge plate 24, and the top pin 19 is used for supporting the blade back 21 of the blade; in the direction of the blade basin 20 of the blade, the first pressing screw 15 is screwed to enable the first pressing block 16 to press the basin-facing surface of the upper edge plate 22 of the blade, and the second pressing screw 17 is screwed to enable the second pressing block 18 to press the basin-facing surface of the lower edge plate 24 of the blade;
the lower surface of the dial indicator seat 5 is attached to the upper surface of the sliding table block 3, and two cylindrical pins 7 are attached to the outer arc surface of the circular arc-shaped step 6 of the sliding table block 3; adjusting the dial indicator fixing screw to enable the dial indicator 4 to be in contact with the counter arc surface of the counter seat 2, enabling the dial indicator 4 to have a certain pressure gauge quantity (a pointer of the dial indicator swings to a certain value, the value is determined according to the measurement condition), and adjusting the dial indicator 4 to enable the pointer to point to the 0 position, so that the counter is completed;
the dial indicator seat 5 slides on the sliding table block 3, the lower surface of the seat body 5 is kept to be attached to the upper surface of the sliding table block 3 in the process, and the two cylindrical pins 7 are attached to the outer arc surface of the circular arc-shaped step 6 of the sliding table block 3, so that the measurement accuracy is ensured; the gauge head of the dial indicator 4 is contacted with the arc surface 23 of the upper edge plate of the blade, the variation of the pointer of the dial indicator 4 is the variation of the radius dimension of the arc surface 23 of the upper edge plate of the blade, and the variation of the radius dimension=the radius value of the gauge stand plus the pointer of the dial indicator of the upper edge plate of the blade is actually measured; determination of positive and negative values of the change amount of the pointer of the dial indicator 4: the clockwise rotation of the pointer of the dial indicator 4 is positive, and the anticlockwise rotation of the pointer of the dial indicator 4 is negative.
Claims (3)
1. The measuring device for the short circular arc large-diameter blade is characterized by comprising a base, a counter seat, a sliding table block, a dial indicator seat and a blade positioning mechanism, wherein the counter seat, the sliding table block and the blade positioning mechanism are arranged on the base, and the blade is arranged on the blade positioning mechanism; the upper end surface of the sliding table block is provided with an arc-shaped step, the outer arc surface of the arc-shaped step is coaxially arranged with the circle center of the counter arc surface of the counter seat and the circle center of the arc surface of the upper edge plate of the blade, and the radius of the counter arc surface of the counter seat is a theoretical value of the radius of the arc surface of the upper edge plate of the blade; the dial indicator is arranged on the dial indicator seat, and the dial indicator seat and the sliding table block are matched for measurement.
2. The measuring device for the short-arc large-diameter blade according to claim 1, wherein the dial indicator seat comprises a seat body, a bracket, dial indicator fixing screws and two cylindrical pins, a transverse extending block is arranged at the upper part of one side of the seat body, the bracket is arranged on the upper end face of the transverse extending block, the bracket is provided with a mounting hole, and the dial indicator is mounted in the mounting hole and fixed by the dial indicator fixing screws; the two cylindrical pins are arranged in parallel on the lower end face of the transverse extending block, the lower surface of the base body is attached to the upper surface of the sliding table block, and the cylindrical pins are attached to the outer arc face of the circular arc-shaped step of the sliding table block.
3. The measuring device for the short circular arc large diameter blade according to claim 1, wherein the blade positioning mechanism comprises a first pressing structure, a second pressing structure, a positioning structure, a first positioning ball rod, a second positioning ball rod, a first supporting pin, a second supporting pin and a third supporting pin, the first pressing structure comprises a first bottom plate, a first pressing screw and a first pressing block, the second pressing structure comprises a second bottom plate, a second pressing screw and a second pressing block, the positioning structure comprises a bottom block and a top pin, and the first bottom plate, the second bottom plate, the bottom block, the first positioning ball rod, the second positioning ball rod, the first supporting pin, the second supporting pin and the third supporting pin are fixedly arranged on the base; the first bottom plate is provided with a first supporting block, the first compression screw is transversely arranged and screwed into the first supporting block, and the first compression block is arranged at the end head of the first compression screw; the second base plate is provided with a second supporting block, the second compression screw is transversely arranged and screwed into the second supporting block, and the second compression block is arranged at the end head of the second compression screw; the top pin is transversely arranged, and the tail end of the top pin is arranged in the bottom block; the first locating ball rod is used for locating the basin side surface of the upper edge plate of the blade, the second locating ball rod is used for locating the basin side surface of the back side of the upper edge plate of the blade, the first supporting pin is used for supporting the basin side part of the exhaust edge direction of the upper edge plate of the blade, the second supporting pin is used for supporting the basin side part of the exhaust edge direction of the upper edge plate of the blade, the third supporting pin is used for supporting the basin side part of the exhaust edge direction of the lower edge plate of the blade, the top pin is used for supporting the back of the blade, the first compressing block is used for compressing the basin side surface of the upper edge plate of the blade, and the second compressing block is used for compressing the basin side surface of the lower edge plate of the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320117596.8U CN219083969U (en) | 2023-02-06 | 2023-02-06 | Measuring device for short-arc large-diameter blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320117596.8U CN219083969U (en) | 2023-02-06 | 2023-02-06 | Measuring device for short-arc large-diameter blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219083969U true CN219083969U (en) | 2023-05-26 |
Family
ID=86401213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320117596.8U Active CN219083969U (en) | 2023-02-06 | 2023-02-06 | Measuring device for short-arc large-diameter blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219083969U (en) |
-
2023
- 2023-02-06 CN CN202320117596.8U patent/CN219083969U/en active Active
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