CN210374935U - Detection apparatus for diameter at bottom of deep hole inside groove - Google Patents
Detection apparatus for diameter at bottom of deep hole inside groove Download PDFInfo
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- CN210374935U CN210374935U CN201921633978.6U CN201921633978U CN210374935U CN 210374935 U CN210374935 U CN 210374935U CN 201921633978 U CN201921633978 U CN 201921633978U CN 210374935 U CN210374935 U CN 210374935U
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Abstract
The utility model discloses a detection device for the bottom diameter of a deep hole inner groove, which comprises a cushion block (1), a detection block (2), a left half mould (3) and a right half mould (4); the cushion block comprises a bottom plate (5), and a positioning rod (6) vertical to the upper plane of the bottom plate is arranged on the bottom plate; the detection block is in a long flat plate shape, and two sides of the lower part of the long flat plate are provided with convex detection planes (7); the left half mold and the right half mold are cylinders with 2/3-diameter being cut off in the direction of parallel axes, the outer circle of the cylinder is provided with a detection boss (8), and the detection boss is in an arc shape; the other side of the left half die and the other side of the right half die opposite to the detection lug boss are provided with a measured plane (12); the bottom of the detection boss is provided with a positioning step (9); the left half mould and the right half mould are symmetrically arranged. The utility model has the advantages of rapid and visual detection; the method is suitable for the mass production of parts. The device of the utility model has the advantages of simple structure, convenient to use is reliable, and manufacturing cost is less.
Description
Technical Field
The utility model relates to a detection apparatus for footpath at bottom of deep hole inside groove belongs to product inspection technical field.
Background
In the product processing, some mechanical parts are often provided with grooves, some grooves are arranged outside the parts, and some grooves are arranged inside the parts. The grooves in the interior of the part are called internal grooves. Because of different use requirements, the distribution conditions of the inner grooves are different, some are positioned at the hole openings, some are positioned in the middle of the holes, and some are positioned at the bottom of the holes.
In the prior art, for internal grooves positioned at an orifice or in the middle of a hole, the bottom diameter of the internal grooves can be directly detected by using a common vernier caliper or a special vernier caliper under a common condition. For the inner grooves at the bottom of the hole or the inner grooves far away from the hole opening, the conventional common vernier caliper or the special vernier caliper cannot detect the inner diameter of the inner groove with the precision requirement. The detection method belongs to destructive detection, not only influences the strengthening of the parts, but also has the disadvantages of troublesome operation, large detection workload, low efficiency and high cost, can only be used under the condition of single-piece production and is not suitable for the condition of mass production of the parts. Therefore, the prior art has shortcomings and needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for detecting the bottom diameter of the deep-hole internal groove, which can directly detect the bottom diameter of the internal groove which is positioned at the hole bottom or is far away from the hole opening and can not be detected by a common vernier caliper and a special vernier caliper by simulating the detection mode of a plug gauge without damaging parts; the efficiency is effectively improved, the detection cost is reduced, and the defects of the prior art are overcome.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a detection device for the bottom diameter of a deep hole inner groove, which comprises a cushion block, a detection block, a left half die and a right half die; the cushion block comprises a bottom plate, and a positioning rod perpendicular to the upper plane of the bottom plate is arranged on the bottom plate; the detection block is in a long strip flat plate shape, and two sides of the lower part of the long strip flat plate are provided with protruding detection planes; the left half mold and the right half mold are cylinders with 2/3-diameter being cut off in the direction of parallel axes, the outer circle of the cylinder is provided with a detection boss, and the detection boss is in an arc shape; the other side of the left half die and the other side of the right half die opposite to the detection boss are provided with a detected plane; the bottom of the detection boss is provided with a positioning step; the left half mould and the right half mould are symmetrically arranged.
In the detection device, the detection block comprises a go gauge detection block and an no-go gauge detection block.
In the detection device, the height A between the top surface of the cushion block and the top surface of the positioning rod is smaller than the height a between the bottom surface of the inner groove of the part to be detected and the bottom opening of the part to be detected.
In the detection device, the length B of the positioning step is a-a.
In the detection device, the height D of the detection boss is larger than the depth D of the inner groove of the part to be detected.
In the detection device, the thickness E of the detection boss is smaller than the width E of the inner groove of the part to be detected.
Since the technical scheme is used, the utility model discloses compare with prior art, the utility model discloses a come the location as detecting through the cushion tip to whether the check block can be through the decision criteria whether qualified as the inside groove end footpath size between left half mould and the right half mould. Compared with the prior art, the utility model has the advantages of rapid and visual detection; the method is particularly suitable for the mass production of parts. Furthermore, the device of the utility model has the advantages of simple structure, convenient and reliable use, low production and manufacturing cost, etc.
Drawings
FIG. 1 is a front view of a part to be inspected;
FIG. 2 is an isometric view of FIG. 1;
fig. 3 is a schematic view of the apparatus of the present invention;
FIG. 4 is an isometric view of FIG. 3;
FIG. 5 is a schematic view of a detection method;
FIG. 6 is an isometric view of FIG. 5;
FIG. 7 is a schematic view of the through end dimension structure of the inspection block combined with the left half module and the right half module when the inspection block of the present invention is a go gauge inspection block;
fig. 8 is a schematic view of the size structure of the stop end of the inspection block combined with the left half module and the right half module when the inspection block is a stop gauge inspection block.
The labels in the figures are: 1-cushion block, 2-detection block, 3-left half mould, 4-right half mould, 5-bottom plate, 6-positioning rod, 7-detection plane, 8-detection boss, 9-positioning step, 10-part to be detected, 11-internal groove and 12-plane to be detected.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a detection device for the bottom diameter of a deep hole inner groove, which comprises a cushion block 1, a detection block 2, a left half mould 3 and a right half mould 4; the cushion block 1 comprises a bottom plate 5, and a positioning rod 6 vertical to the upper plane of the bottom plate 5 is arranged on the bottom plate 5; the detection block 2 is in a long flat plate shape, and two sides of the lower part of the long flat plate are provided with convex detection planes 7; the left half die 3 and the right half die 4 are cylinders with 2/3-diameter cut off along parallel axes, the outer circle of the cylinder is provided with a detection boss 8, and the detection boss 8 is arc-shaped; the other side of the left half die 3 and the other side of the right half die 4 opposite to the detection boss 8 are provided with a detected plane 12; the bottom of the detection boss 8 is provided with a positioning step 9; the left half mold 3 and the right half mold 4 are symmetrically arranged.
The detection block 2 comprises a go gauge detection block and an no-go gauge detection block; the height A between the top surface of the cushion block 1 and the top surface of the positioning rod 6 is smaller than the height a between the bottom surface of the inner groove 11 of the part 10 to be detected and the bottom opening of the part 10 to be detected. The length B of the positioning step 9 is a-a. The height D of the detection boss 8 is slightly larger than the depth D of the inner groove 11 of the part 10 to be detected. The thickness E of the detection boss 8 is slightly smaller than the width E of the inner groove 11 of the part 10 to be detected.
A detection method for detecting the bottom diameter of the deep-hole internal groove by adopting the detection device of the utility model is that, as shown in fig. 5-8, when the bottom diameter of the deep-hole internal groove is detected, the inner hole bottom opening of the part 10 to be detected is sleeved on the positioning rod 6 of the cushion block 1, and the top surface of the positioning rod 6 is lower than the internal groove 11 of the part 10 to be detected; then respectively inserting the plane close to the plane of the left half mold 3 and the right half mold 4 into the inner hole of the part to be detected 10 from the inner hole top opening of the part to be detected 10, and after the positioning steps 9 at the bottoms of the left half mold 3 and the right half mold 4 are contacted with the top surface of the positioning rod 6, the detection bosses 8 on the left half mold 3 and the right half mold 4 are just positioned at the inner groove 11 of the part to be detected 10; at the moment, a go gauge detection block and a no-go gauge detection block are respectively inserted between two measured planes 12 of the left half mould 3 and the right half mould 4; the go gauge detection block can pass through the space between the left half die and the right half die, and the no-go gauge detection block cannot pass through the space between the left half die and the right half die, so that the bottom diameter of the inner groove of the part to be detected is determined to be qualified; when the go gauge detection block and the no-go gauge detection block can pass or cannot pass between the left half die 3 and the right half die 4, the bottom diameter of the inner groove 11 of the part to be detected 10 is determined to be unqualified; during manufacturing, the through end size f of the detection block formed by combining the left half die 3, the through gauge detection block and the right half die 4 is equal to the minimum size of the bottom diameter of the inner groove 11; the size F of the stop end of the check block formed by combining the left half die 3, the no-go check block and the right half die 4 is equal to the maximum size of the bottom diameter of the inner groove 11. The minimum size and the maximum size of the bottom diameter of the inner groove 11 are determined according to the requirements of the part 10 to be detected.
Examples
Referring to fig. 1 and 2, a part 10 to be detected in this embodiment is a deep hole in the part 10 to be detected, an inner groove 11 is formed in the deep hole, and the bottom diameter of the inner groove 11 is the target to be detected in this embodiment. Because the inner groove 11 is far away from the top opening, the detection can not be carried out by adopting the conventional common vernier caliper or the special vernier caliper.
In this example, the detection is performed by using the detection device shown in fig. 3 and 4. The detection device shown in fig. 3 and 4 is composed of a cushion block 1, a detection block 2, a left half mold 3 and a right half mold 4. The cushion block 1 is a boss-shaped part. The detection block 2 is divided into a go gauge detection block and a no-go gauge detection block, the detection block 2 is a flat plate, and detection planes 7 are arranged on two sides of the flat plate. The left half-die 3 is an 1/3 cylindrical part, a semicircular detection boss 8 is arranged on the excircle of the left end, and a detected plane 12 is arranged at the other end of the left half-die 3 opposite to the detection boss 8; the bottom of the left half-mould 3 is provided with a positioning step 9. The right mold half 4 is identical to the left mold half 3. During detection, the detected planes 12 on the left half mold 3 and the right half mold 4 are arranged symmetrically. The detected plane 12 on the left half mold 3 and the right half mold 4 is contacted with the detection plane 7 on the detection block 2.
The height D of the detection bosses 8 on the left half die 3 and the right half die 4 is determined according to the depth D of the inner groove 11, and the thickness E of the detection bosses 8 is determined according to the width E of the inner groove 11.
The two sides of the lower section of the detection block 2 are provided with convex detection planes 7, and the distance between the detection planes 7 on the two sides of the lower section of the detection block 2 is determined according to the bottom diameter size of the inner groove 11 and the radius size of the detection boss 8 of the left half mould 3 and the right half mould 4; the height D of the detection boss 8 is determined according to the distance between the contact surfaces with the left mold half 3 and the right mold half 4.
The left half die 3, the go gauge detection block and the right half die 4 are combined to form a through end of the detection block, and the size of the through end is equal to the minimum size of the bottom diameter of the inner groove; the left half die 3, the no-go gauge detection block and the right half die 4 are combined to form a detection block end stop, and the size of the detection block end stop is equal to the maximum size of the bottom diameter of the inner groove 11. When detecting the inner groove 11 at the bottom of the hole or the inner groove 11 far away from the hole opening, whether the detection block 2 can pass through the middle of the left half mould 3 and the right half mould 4 is used as a judgment standard for judging whether the bottom diameter size is qualified.
Compared with the prior art, the utility model has the advantages of rapid and visual detection; the utility model is particularly suitable for the mass production of parts; and the device of the utility model also has the advantages of simple structure, convenient and reliable use, low production and manufacturing cost, etc.
Claims (6)
1. The utility model provides a detection apparatus for diameter at bottom of deep hole inside groove which characterized in that: the device consists of a cushion block (1), a detection block (2), a left half die (3) and a right half die (4); the cushion block (1) comprises a bottom plate (5), and a positioning rod (6) vertical to the upper plane of the bottom plate (5) is arranged on the bottom plate (5); the detection block (2) is in a long flat plate shape, and two sides of the lower part of the long flat plate are provided with convex detection planes (7); the left half die (3) and the right half die (4) are cylinders with 2/3 diameter cut off along parallel axes, a detection boss (8) is arranged on the outer circle of the cylinder, and the detection boss (8) is arc-shaped; a detected plane (12) is arranged on the other side of the left half die (3) and the right half die (4) opposite to the detection boss (8); the bottom of the detection boss (8) is provided with a positioning step (9); the left half mould (3) and the right half mould (4) are symmetrically arranged.
2. The apparatus for detecting the bottom diameter of a deep hole according to claim 1, wherein: the detection block (2) comprises a go gauge detection block and an no-go gauge detection block.
3. The apparatus for detecting the bottom diameter of a deep hole according to claim 1, wherein: the height A between the top surface of the cushion block (1) and the top surface of the positioning rod (6) is smaller than the height a between the bottom surface of the inner groove (11) of the part (10) to be detected and the bottom opening of the part (10) to be detected.
4. The apparatus for detecting the bottom diameter of a deep hole according to claim 1, wherein: the length B of the positioning step (9) is a-A.
5. The apparatus for detecting the bottom diameter of a deep hole according to claim 1, wherein: the height D of the detection boss (8) is larger than the depth D of the inner groove (11) in the deep hole of the part (10) to be detected.
6. The apparatus for detecting the bottom diameter of a deep hole according to claim 1, wherein: the thickness E of the detection boss (8) is smaller than the width E of the inner groove (11) of the part (10) to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633978.6U CN210374935U (en) | 2019-09-28 | 2019-09-28 | Detection apparatus for diameter at bottom of deep hole inside groove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633978.6U CN210374935U (en) | 2019-09-28 | 2019-09-28 | Detection apparatus for diameter at bottom of deep hole inside groove |
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| CN210374935U true CN210374935U (en) | 2020-04-21 |
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| CN201921633978.6U Active CN210374935U (en) | 2019-09-28 | 2019-09-28 | Detection apparatus for diameter at bottom of deep hole inside groove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567347A (en) * | 2019-09-28 | 2019-12-13 | 贵州群建精密机械有限公司 | Detection device and detection method for bottom diameter of deep hole inner groove |
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2019
- 2019-09-28 CN CN201921633978.6U patent/CN210374935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567347A (en) * | 2019-09-28 | 2019-12-13 | 贵州群建精密机械有限公司 | Detection device and detection method for bottom diameter of deep hole inner groove |
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