CN114485508B - Gauge for detecting size of special-shaped target and detection method - Google Patents

Gauge for detecting size of special-shaped target and detection method Download PDF

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Publication number
CN114485508B
CN114485508B CN202210145198.7A CN202210145198A CN114485508B CN 114485508 B CN114485508 B CN 114485508B CN 202210145198 A CN202210145198 A CN 202210145198A CN 114485508 B CN114485508 B CN 114485508B
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gauge
special
shaped target
target
shaped
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CN114485508A (en
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姚力军
潘杰
边逸军
王学泽
陈文庆
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Ningbo Jiangfeng Electronic Material Co Ltd
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Ningbo Jiangfeng Electronic Material Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant

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  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

The invention provides a gauge for detecting the size of a special-shaped target and a detection method, wherein the whole special-shaped target is in a pot shape, the gauge is plate-shaped and comprises an inner gauge and an outer gauge, the shape of the inner gauge is matched with the shape of the inner longitudinal section of the special-shaped target, the outer gauge is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer gauge is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge and the outer gauge are independently arranged, and the size of the inner gauge is smaller than that of the groove in the outer gauge. According to the invention, through the design of the two independent structures of the inner detection tool and the outer detection tool, the detection tool is matched with the inner and outer structures of the special-shaped target, so that the size of the target can be accurately detected, the detection speed is high, the efficiency is high, and the detection time is obviously shortened compared with that of the traditional three-coordinate measuring machine; the detection tool is simple in structure, simple and convenient to operate and low in cost.

Description

Gauge for detecting size of special-shaped target and detection method
Technical Field
The invention belongs to the technical field of target processing and detection, and relates to a gauge for detecting the size of a special-shaped target and a detection method.
Background
The target material is used as an important coating material, is mainly applied to the electronic and information industries, and has wide application in the fields of integrated circuits, information storage, liquid crystal display screens, laser memories, electronic control devices and the like. The targets can be classified into planar targets and special-shaped targets according to the shape, the planar targets are generally used at present, the processing technology of the planar targets is relatively mature, and the special-shaped targets are relatively complex in processing technology and higher in processing difficulty due to the special structure.
The sputtering target for the HCM machine table belongs to one of special-shaped targets, the overall shape is in a pot shape, the forming process of the sputtering target needs to adopt turning or stamping operation, the former is large in processing amount and can cause serious material waste, the latter directly receives deformation force in a die to generate shape by means of the power of stamping equipment, thereby obtaining structural members with certain shapes and sizes, the preliminary processing of the target can be generally completed, the target after the forming processing needs to be subjected to size detection, however, according to the shape of the special-shaped target, the special-shaped target particularly comprises an arc section, the accurate detection of the size of the target is difficult to realize, the three-coordinate measuring machine is adopted in the prior art to detect the overall size of the target, but the detection rate is slower, and for part sizes such as arc sizes, the detection accuracy is lower, and the follow-up use of the target is unfavorable.
CN 111421063a discloses a pan-shaped target processing and forming method, which comprises the following steps: heating a plate blank to be stamped, then assembling the plate blank with a lower die, and installing an upper die to obtain a stamping part to be stamped, wherein the stamping part to be stamped is stamped to obtain a pot-shaped target; wherein the pressurizing speed in the stamping is 20-50mm/s. The method focuses on the process of processing and forming the pot-shaped target material, does not mention the subsequent process of size detection, and does not clearly show the detection tool and method required by size detection.
CN 105522331a discloses a forming process of a metal cap, the metal cap is formed by integrally bending a bending part formed at the edge of the top by bending the top, the height of the metal cap is h, the wall thickness is t, the diameter of the top is d, a through hole with the diameter of d' is formed in the top, and the forming process comprises the following steps: selecting materials, shearing plates, blanking, primary molding, shaping, punching, deburring a machine end face, checking, hot galvanizing, checking performance and packaging. The metal cap structure is also provided with an arc section, the requirement on the dimensional accuracy is higher according to the processing process, and when the formed metal cap is inspected, the inspection dimensions such as vernier calipers, dial indicators and R gauges are adopted, so that the metal cap structure is only suitable for the metal cap with the structure, and the application range is narrower.
In summary, for the size detection of the special-shaped target, especially the pan-shaped target, a proper gauge structure is also required to be selected according to the structure of the special-shaped target, so that the accuracy of the size of the special-shaped target is ensured, and the production efficiency and the qualification rate are improved.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a gauge for detecting the size of a special-shaped target and a detection method thereof, and the gauge is matched with the inner and outer structures of the special-shaped target through the design of a two-part structure, so that the size of the special-shaped target can be accurately detected, the detection efficiency can be effectively improved, the time is saved, and the cost is reduced.
To achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the invention provides a gauge for detecting the size of a special-shaped target, wherein the whole special-shaped target is in a pot shape, the gauge is plate-shaped and comprises an inner gauge and an outer gauge, the shape of the inner gauge is matched with the shape of the inner longitudinal section of the special-shaped target, the outer gauge is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer gauge is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge and the outer gauge are independently arranged, and the size of the inner gauge is smaller than that of the groove in the outer gauge.
In the invention, because the special structure of the special-shaped target, for example, a pot-shaped target used by an HCM machine table, usually has a plurality of arc-shaped sizes in size detection, the speed is slower when the traditional three-coordinate measuring machine is adopted for detection, and the production speed of the special-shaped target is seriously influenced, the special-shaped target detection tool is designed and used for detecting the size of the special-shaped target, and according to the structure of the pot-shaped target, the inner detection tool and the outer detection tool are designed into two independent structures, and are designed into shapes matched with the standard structure size of the special-shaped target, so that whether the size of the machined special-shaped target is accurate or not can be judged, whether the size of the special-shaped target is accurate or not can be intuitively obtained, the detection speed is high, and the efficiency is high, thereby improving the production efficiency of the special-shaped target; the detection tool is simple in structure, simple and convenient to operate and low in cost.
The following technical scheme is a preferred technical scheme of the invention, but is not a limitation of the technical scheme provided by the invention, and the technical purpose and beneficial effects of the invention can be better achieved and realized through the following technical scheme.
As the preferable technical scheme of the invention, the cross section of the special-shaped target material is circular, and the longitudinal section passing through the central shaft comprises a side straight line section, an arc-shaped connecting section and a bottom arc-shaped section from the opening downwards in sequence.
Preferably, the opening of the special-shaped target material is provided with an edge in an outward extending manner.
According to the structure of the special-shaped target, the whole target is in a pot shape, the whole target longitudinally comprises a straight line section and two arc sections, the curvatures of the two arc sections are different, and the special-shaped target is provided with edges for facilitating installation, movement and use.
As a preferable technical scheme of the invention, the material of the gauge comprises stainless steel, and is preferably the same as the special-shaped target.
Preferably, the thickness of the inner gauge and the outer gauge is independently 0.5 to 1.5mm, for example, 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm, or 1.5mm, etc., but is not limited to the recited values, and other non-recited values within the range of values are equally applicable.
As a preferable technical scheme of the invention, the inner gauge is arranged in the special-shaped target along the vertical direction, and the inner gauge is overlapped with the longitudinal section of the cross center shaft of the special-shaped target.
Preferably, the outer gauge is sleeved on the outer side of the special-shaped target along the vertical direction, and the outer gauge is overlapped with the longitudinal section of the cross center shaft of the special-shaped target.
In the invention, the cross section of the pot-shaped target material is circular with different diameters, so that the plane of the gauge needs to be along the diameter direction, namely the central axis of the special-shaped target material when the gauge is used for detection.
As the preferable technical scheme of the invention, the inner gauge comprises a main body part and a clamping part, wherein one end of the main body part is arranged in the special-shaped target material to detect the inner dimension, and the clamping part is a protruding part extending from the other end of the main body part to two sides.
Preferably, the part of the protruding part, which is close to the inner side, is provided with a clamping groove, and when the inner gauge is arranged in the special-shaped target, the clamping groove is clamped with the edge of the special-shaped target to fix the inner gauge.
In the invention, as the special-shaped target material is provided with the edge, the inner gauge is longitudinally arranged in the special-shaped target material, the two sides of the inner gauge are provided with the convex structures, and the inner gauge is clamped and fixed with the edge of the special-shaped target material through the arrangement of the clamping grooves, so that the inclination of the inner gauge is avoided.
As a preferable technical scheme of the invention, the outer gauge is a structural member with a regular quadrilateral structure with a groove area dug out from one side.
Preferably, the regular quadrangle comprises a rectangle.
Preferably, the area of the groove region is 80 to 90%, such as 80%, 82%, 84%, 85%, 86%, 88% or 90%, etc., of the area of the regular quadrangle, but is not limited to the recited values, and other non-recited values within the range of values are equally applicable.
In the invention, the key point of the outer gauge structure is the shape of the edge of the groove area, the outer shape of the outer gauge structure has little detection relation with the special-shaped target, the shape is regular, and the outer gauge structure is convenient to operate.
In another aspect, the present invention provides a method for detecting the size of a special-shaped target by using the gauge, the method comprising the following steps:
according to the structure and the size of the special-shaped target to be detected, selecting a corresponding inner gauge and an outer gauge;
placing the inner gauge inside the special-shaped target, and observing and detecting the inner size of the special-shaped target; and sleeving the outer detection tool outside the special-shaped target, and observing and detecting the outer dimension of the special-shaped target.
As a preferable technical scheme of the invention, the materials of the inner gauge and the outer gauge comprise stainless steel, and are preferably the same as the special-shaped target.
Preferably, the inner gauge and the outer gauge are polished and washed before being used.
As a preferable technical scheme of the invention, the detection sequence of the inner dimension and the outer dimension of the special-shaped target is not sequential.
Preferably, when the inner gauge is arranged inside the special-shaped target, the protruding part of the inner gauge is clamped on the edge of the special-shaped target, and the fit condition of the edge of the main body part of the inner gauge and the inner wall of the special-shaped target is observed.
Preferably, whether the inner dimension of the special-shaped target is proper is judged according to the size of a gap between the edge of the main body part of the inner gauge and the inner wall of the special-shaped target.
Preferably, when the gap is greater than 0.2mm, for example 0.2mm, 0.22mm, 0.24mm, 0.25mm, 0.27mm, 0.28mm or 0.3mm, etc., the profiled target needs to be reworked.
Preferably, the inner gauge is used for detecting the sizes of a plurality of inner longitudinal sections in the special-shaped target.
As the preferable technical scheme of the invention, when the outer gauge is sleeved outside the special-shaped target, the outer gauge is arranged along the vertical direction and is overlapped with the longitudinal section of the cross center shaft of the special-shaped target, and the fit condition of the edge of the groove of the outer gauge and the outer wall of the special-shaped target is observed.
Preferably, whether the external dimension of the special-shaped target is proper is judged according to the size of the gap between the edge of the groove of the external gauge and the outer wall of the special-shaped target.
Preferably, when the gap is greater than 0.2mm, for example 0.2mm, 0.22mm, 0.24mm, 0.25mm, 0.27mm, 0.28mm or 0.3mm, etc., the profiled target needs to be reworked.
Preferably, the outer gauge is used for detecting the sizes of a plurality of outer longitudinal sections in the special-shaped target.
In the invention, when the gauge is used for detecting the inner and outer dimensions of the special-shaped target, the whole special-shaped target is required to be detected, so that the position of the gauge rotates around the central shaft to detect the dimensions of a plurality of longitudinal sections, and the same angle is deflected every time the gauge detects.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, through the design of the two independent structures of the inner detection tool and the outer detection tool, the detection tool is matched with the inner and outer structures of the special-shaped targets, so that the sizes of the targets can be detected, whether the sizes of the special-shaped targets are accurate or not can be intuitively obtained, the detection speed is high, the efficiency is high, and the detection time can be shortened by more than 1h compared with that of the traditional three-coordinate measuring machine;
(2) The detection tool provided by the invention has the advantages of simple structure, simple detection method, simplicity and convenience in operation and lower cost.
Drawings
Fig. 1 is a schematic structural diagram of a gauge for detecting the size of a special-shaped target provided in embodiment 1 of the present invention;
wherein, 1-interior gauge, 11-main part, 12-joint portion, 2-outer gauge.
Detailed Description
For better illustrating the present invention, the technical scheme of the present invention is convenient to understand, and the present invention is further described in detail below. The following examples are merely illustrative of the present invention and are not intended to represent or limit the scope of the invention as defined in the claims.
The invention provides a detection tool and a detection method for detecting the size of a special-shaped target, wherein the special-shaped target is integrally in a pot shape, the detection tool is plate-shaped and comprises an inner detection tool 1 and an outer detection tool 2, the shape of the inner detection tool 1 is matched with the shape of the inner longitudinal section of the special-shaped target, the outer detection tool 2 is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer detection tool 2 is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge 1 and the outer gauge 2 are independently arranged, and the size of the inner gauge 1 is smaller than that of the groove in the outer gauge 2.
The following are exemplary but non-limiting examples of the invention:
Example 1:
The embodiment provides a gauge for detecting the size of a special-shaped target, wherein the structural schematic diagram of the gauge is shown in fig. 1, the whole special-shaped target is in a pot shape, the gauge is plate-shaped and comprises an inner gauge 1 and an outer gauge 2, the shape of the inner gauge 1 is matched with the shape of the inner longitudinal section of the special-shaped target, the outer gauge 2 is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer gauge 2 is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge 1 and the outer gauge 2 are independently arranged, and the size of the inner gauge 1 is smaller than that of the groove in the outer gauge 2.
The cross section of the special-shaped target is circular, and the longitudinal section of the central shaft comprises a side straight line section, an arc-shaped connecting section and a bottom arc-shaped section from the opening downwards in sequence.
The opening of the special-shaped target material is provided with an edge in an outward extending way.
The gauge is made of stainless steel and is the same as the special-shaped target.
The thickness of the inner gauge 1 and the outer gauge 2 is 1.0mm.
The inner gauge 1 is arranged inside the special-shaped target along the vertical direction, and the inner gauge 1 coincides with the longitudinal section of the cross center shaft of the special-shaped target.
The outer gauge 2 is sleeved on the outer side of the special-shaped target along the vertical direction, and the outer gauge 2 is overlapped with the longitudinal section of the cross center shaft of the special-shaped target.
The inner gauge 1 comprises a main body part 11 and a clamping part 12, wherein one end of the main body part 11 is arranged in the special-shaped target material to detect the inner size, and the clamping part 12 is a protruding part extending from the other end of the main body part 11 to two sides.
The part of the protruding part, which is close to the inner side, is provided with a clamping groove, and when the inner gauge 1 is arranged in the special-shaped target, the clamping groove is clamped with the edge of the special-shaped target to fix the inner gauge 1.
The outer gauge 2 is a structural member with a rectangular shape and a groove area dug out from one side, and the area of the groove area occupies 85% of the rectangular area.
Example 2:
The embodiment provides a gauge for detecting the size of a special-shaped target, wherein the whole special-shaped target is in a pot shape, the gauge is plate-shaped and comprises an inner gauge 1 and an outer gauge 2, the shape of the inner gauge 1 is matched with the shape of the inner longitudinal section of the special-shaped target, the outer gauge 2 is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer gauge 2 is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge 1 and the outer gauge 2 are independently arranged, and the size of the inner gauge 1 is smaller than that of the groove in the outer gauge 2.
The cross section of the special-shaped target is circular, and the longitudinal section of the central shaft comprises a side straight line section, an arc-shaped connecting section and a bottom arc-shaped section from the opening downwards in sequence.
The opening of the special-shaped target material is provided with an edge in an outward extending way.
The gauge is made of stainless steel and is the same as the special-shaped target.
The thickness of the inner gauge 1 and the outer gauge 2 is 0.5mm.
The inner gauge 1 is arranged inside the special-shaped target along the vertical direction, and the inner gauge 1 coincides with the longitudinal section of the cross center shaft of the special-shaped target.
The outer gauge 2 is sleeved on the outer side of the special-shaped target along the vertical direction, and the outer gauge 2 is overlapped with the longitudinal section of the cross center shaft of the special-shaped target.
The inner gauge 1 comprises a main body part 11 and a clamping part 12, wherein one end of the main body part 11 is arranged in the special-shaped target material to detect the inner size, and the clamping part 12 is a protruding part extending from the other end of the main body part 11 to two sides.
The part of the protruding part, which is close to the inner side, is provided with a clamping groove, and when the inner gauge 1 is arranged in the special-shaped target, the clamping groove is clamped with the edge of the special-shaped target to fix the inner gauge 1.
The outer gauge 2 is a structural member with a rectangular shape and a groove area dug from one side, and the area of the groove area occupies 80% of the rectangular area.
Example 3:
The embodiment provides a gauge for detecting the size of a special-shaped target, wherein the whole special-shaped target is in a pot shape, the gauge is plate-shaped and comprises an inner gauge 1 and an outer gauge 2, the shape of the inner gauge 1 is matched with the shape of the inner longitudinal section of the special-shaped target, the outer gauge 2 is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer gauge 2 is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge 1 and the outer gauge 2 are independently arranged, and the size of the inner gauge 1 is smaller than that of the groove in the outer gauge 2.
The cross section of the special-shaped target is circular, and the longitudinal section of the central shaft comprises a side straight line section, an arc-shaped connecting section and a bottom arc-shaped section from the opening downwards in sequence.
The opening of the special-shaped target material is provided with an edge in an outward extending way.
The gauge is made of aluminum alloy and is the same as the special-shaped target.
The thickness of the inner gauge 1 is 1.2mm, and the thickness of the outer gauge 2 is 1.5mm.
The inner gauge 1 is arranged inside the special-shaped target along the vertical direction, and the inner gauge 1 coincides with the longitudinal section of the cross center shaft of the special-shaped target.
The outer gauge 2 is sleeved on the outer side of the special-shaped target along the vertical direction, and the outer gauge 2 is overlapped with the longitudinal section of the cross center shaft of the special-shaped target.
The inner gauge 1 comprises a main body part 11 and a clamping part 12, wherein one end of the main body part 11 is arranged in the special-shaped target material to detect the inner size, and the clamping part 12 is a protruding part extending from the other end of the main body part 11 to two sides.
The part of the protruding part, which is close to the inner side, is provided with a clamping groove, and when the inner gauge 1 is arranged in the special-shaped target, the clamping groove is clamped with the edge of the special-shaped target to fix the inner gauge 1.
The outer gauge 2 is a square structural member with a groove area dug out from one side, and the area of the groove area occupies 90% of the square area.
Example 4:
The embodiment provides a method for detecting the size of a special-shaped target, which adopts the gauge in embodiment 1 for detection, and comprises the following steps:
According to the structure and the size of the special-shaped target to be detected, selecting a corresponding inner gauge 1 and a corresponding outer gauge 2, wherein the inner gauge 1 and the outer gauge 2 are made of stainless steel and are the same as the special-shaped target; before the inner gauge 1 and the outer gauge 2 are used, polishing and washing treatment are performed;
The inner gauge 1 is arranged in the special-shaped target, the convex part of the inner gauge 1 is clamped on the edge of the special-shaped target, the fit condition of the edge of the main body part 11 of the inner gauge 1 and the inner wall of the special-shaped target is observed, the gap between the two is not more than 0.2mm, the sizes of ten uniformly distributed inner longitudinal sections in the special-shaped target are detected by adopting the same method, and the inner size of the special-shaped target is confirmed to meet the requirement;
the outer gauge 2 is sleeved outside the special-shaped target, the outer gauge 2 is arranged in the vertical direction and is overlapped with the longitudinal section of the cross-center shaft of the special-shaped target, the lamination condition of the groove edge of the outer gauge 2 and the outer wall of the special-shaped target is observed, the gap between the groove edge of the outer gauge 2 and the outer wall of the special-shaped target is not more than 0.18mm, the sizes of ten evenly distributed outer longitudinal sections in the special-shaped target are detected by adopting the same method, and the fact that the outer size of the special-shaped target meets the requirement is confirmed.
Example 5:
The embodiment provides a method for detecting the size of a special-shaped target, which adopts the gauge in the embodiment 2 for detection, and comprises the following steps:
According to the structure and the size of the special-shaped target to be detected, selecting a corresponding inner gauge 1 and a corresponding outer gauge 2, wherein the inner gauge 1 and the outer gauge 2 are made of stainless steel and are the same as the special-shaped target; before the inner gauge 1 and the outer gauge 2 are used, polishing and washing treatment are performed;
The outer detection tool 2 is sleeved outside the special-shaped target, the outer detection tool 2 is arranged in the vertical direction and is overlapped with the longitudinal section of the cross center shaft of the special-shaped target, the lamination condition of the groove edge of the outer detection tool 2 and the outer wall of the special-shaped target is observed, the gap between the groove edge of the outer detection tool 2 and the outer wall of the special-shaped target is not more than 0.15mm, the sizes of eight evenly distributed outer longitudinal sections in the special-shaped target are detected by adopting the same method, and the outer size of the special-shaped target is confirmed to meet the requirement;
the inner gauge 1 is arranged inside the special-shaped target, the protruding part of the inner gauge 1 is clamped on the edge of the special-shaped target, the fit condition of the edge of the main body part 11 of the inner gauge 1 and the inner wall of the special-shaped target is observed, the gap between the two is not more than 0.15mm, the sizes of eight evenly distributed inner longitudinal sections in the special-shaped target are detected by adopting the same method, and the inner size of the special-shaped target is confirmed to meet the requirement.
Example 6:
The embodiment provides a method for detecting the size of a special-shaped target, which adopts the gauge in embodiment 3 for detection, and comprises the following steps:
According to the structure and the size of the special-shaped target to be detected, selecting a corresponding inner gauge 1 and an outer gauge 2, wherein the inner gauge 1 and the outer gauge 2 are made of aluminum alloy and are the same as the special-shaped target; before the inner gauge 1 and the outer gauge 2 are used, polishing and washing treatment are performed;
The inner gauge 1 is arranged in the special-shaped target, the convex part of the inner gauge 1 is clamped on the edge of the special-shaped target, the fit condition of the edge of the main body part 11 of the inner gauge 1 and the inner wall of the special-shaped target is observed, the gap between the two parts reaches 0.25mm, and the inner gauge needs to be reprocessed until the inner size of the special-shaped target meets the requirement;
The outer gauge 2 is sleeved outside the special-shaped target, the outer gauge 2 is arranged in the vertical direction and is overlapped with the longitudinal section of the cross-center shaft of the special-shaped target, the lamination condition of the groove edge of the outer gauge 2 and the outer wall of the special-shaped target is observed, the gap between the groove edge of the outer gauge 2 and the outer wall of the special-shaped target is not more than 0.2mm, the sizes of twelve evenly distributed outer longitudinal sections in the special-shaped target are detected by adopting the same method, and the outer size of the special-shaped target is confirmed to meet the requirement.
It can be seen from the above embodiments that the inspection tool is matched with the inner and outer structures of the special-shaped target by the design of the two independent structures of the inner inspection tool and the outer inspection tool, so that the size of the special-shaped target can be detected, whether the size of the special-shaped target is accurate or not can be intuitively obtained, the detection speed is high, the efficiency is high, and the detection time can be shortened by more than 1h compared with that of the traditional three-coordinate measuring machine; the detection tool is simple in structure, simple and convenient to operate and low in cost.
The present invention is described in detail by the above embodiments, but the present invention is not limited to the above detailed structures and methods, i.e. it does not mean that the present invention must be implemented by the above detailed structures and methods. It should be apparent to those skilled in the art that any modifications of the present invention, equivalent substitutions for the structure of the present invention, addition of auxiliary structures, selection of specific modes, etc., fall within the scope of the present invention and the scope of the disclosure.

Claims (17)

1. The gauge for detecting the size of the special-shaped target is characterized in that the whole special-shaped target is in a pot shape, the gauge is plate-shaped and comprises an inner gauge and an outer gauge, the shape of the inner gauge is matched with the shape of the inner longitudinal section of the special-shaped target, the outer gauge is a plate-shaped structural member with an opening at one side for forming a groove, and the shape of the groove in the outer gauge is matched with the shape of the outer longitudinal section of the special-shaped target; the inner gauge and the outer gauge are independently arranged, and the size of the inner gauge is smaller than that of a groove in the outer gauge;
The cross section of the special-shaped target is circular, the longitudinal section of the central shaft comprises a side straight line section, an arc-shaped connecting section and a bottom arc-shaped section from the opening downwards in sequence, and the opening of the special-shaped target is outwards extended to be provided with an edge;
the inner gauge is arranged in the special-shaped target along the vertical direction and coincides with the longitudinal section of the cross center shaft of the special-shaped target;
the outer detection tool is sleeved on the outer side of the special-shaped target along the vertical direction, and the outer detection tool is overlapped with the longitudinal section of the cross center shaft of the special-shaped target;
the inner gauge comprises a main body part and a clamping part, wherein one end of the main body part is arranged in the special-shaped target material to detect the inner size, and the clamping part is a protruding part extending from the other end of the main body part to two sides;
The part of the protruding part, which is close to the inner side, is provided with a clamping groove, and when the inner gauge is arranged in the special-shaped target, the clamping groove is clamped with the edge of the special-shaped target to fix the inner gauge;
The outer gauge is a structural member with a regular quadrilateral structure, and a groove area is dug out from one side of the structural member;
The regular quadrangle comprises a rectangle, and the area of the groove area accounts for 80-90% of the area of the regular quadrangle.
2. The gauge of claim 1, wherein the gauge material comprises stainless steel.
3. The gauge of claim 2, wherein the gauge is of the same material as the profiled target.
4. The gauge of claim 1, wherein the thickness of the inner gauge and the outer gauge are independently 0.5-1.5 mm.
5. A method for detecting the size of a profiled target using the gauge of any one of claims 1-4, comprising the steps of:
according to the structure and the size of the special-shaped target to be detected, selecting a corresponding inner gauge and an outer gauge;
placing the inner gauge inside the special-shaped target, and observing and detecting the inner size of the special-shaped target; and sleeving the outer detection tool outside the special-shaped target, and observing and detecting the outer dimension of the special-shaped target.
6. The method of claim 5, wherein the material of the inner gauge and the outer gauge comprises stainless steel.
7. A method according to claim 3, wherein the inner gauge and the outer gauge are of the same material as the profiled target.
8. The method of claim 5, wherein the inner and outer inspection tools are polished and washed prior to use.
9. The method of claim 5, wherein the detection sequence of the inner dimension and the outer dimension of the profiled target is not sequential.
10. The method of claim 5, wherein when the inner gauge is placed inside the special-shaped target, the convex part of the inner gauge is clamped on the edge of the special-shaped target, and the fit condition of the edge of the main body part of the inner gauge and the inner wall of the special-shaped target is observed.
11. The method of claim 5, wherein the determination of whether the interior dimensions of the shaped target are appropriate is based on the size of the gap between the edge of the body portion of the inner gauge and the interior wall of the shaped target.
12. The method of claim 11, wherein the profiled target requires reworking when the gap is greater than 0.2 mm.
13. The method of claim 5, wherein the inner gauge is used to measure the dimensions of a plurality of inner longitudinal sections in a profiled target.
14. The method according to claim 5, wherein when the outer gauge is sleeved outside the special-shaped target, the outer gauge is arranged along the vertical direction and coincides with the longitudinal section of the cross center shaft of the special-shaped target, and the fitting condition of the groove edge of the outer gauge and the outer wall of the special-shaped target is observed.
15. The method of claim 5, wherein the determination of the fit of the outer dimensions of the profiled target is based on the size of the gap between the edge of the groove of the outer gauge and the outer wall of the profiled target.
16. The method of claim 15, wherein the profiled target requires reworking when the gap is greater than 0.2 mm.
17. The method of claim 5, wherein the outer gauge is used to measure the dimensions of a plurality of outer longitudinal sections in a profiled target.
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