CN107830782B - Cup-shaped revolving body part opening end matching size detection tool and detection method - Google Patents
Cup-shaped revolving body part opening end matching size detection tool and detection method Download PDFInfo
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- CN107830782B CN107830782B CN201710833279.5A CN201710833279A CN107830782B CN 107830782 B CN107830782 B CN 107830782B CN 201710833279 A CN201710833279 A CN 201710833279A CN 107830782 B CN107830782 B CN 107830782B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention relates to a cup-shaped revolving body part open end matching size detection tool and a detection method, which are used for measuring the distance from two or more virtual intersecting lines or intersection points (32) with fillet transition arranged on an inner cylinder and an outer cylinder of a cup-shaped revolving body part (3) to an opening end face (31), an external height detection tool module (1) and an internal depth detection tool module are adopted, and the distance from the two or more virtual intersecting lines or intersection points (32) with fillet transition arranged on the inner cylinder and the outer cylinder to the opening end face (31) is respectively measured by means of a height gauge. Compared with the prior art, the invention can measure the dimension which can not be directly measured by the existing measuring tool, and has the advantages of high measurement accuracy and precision, low cost and convenient use.
Description
Technical Field
The invention relates to the field of detection of cup-shaped revolving body parts, in particular to a detection tool and a detection method for the matching size of an opening end of a cup-shaped revolving body part.
Background
People pay attention to health preservation and pay more and more attention to drinking water requirements. The stainless steel vacuum thermos cup is a healthy, environment-friendly, convenient and durable portable water cup, and is exquisite in workmanship. The vacuum cup has good heat insulation performance and reliable sealing performance, and ensures no water leakage and no wetting of clothes after the upper cover is screwed down. The stainless steel vacuum thermos cup body (cup body) mainly comprises an inner layer and an outer layer, and a gap between the inner layer and the outer layer is called as a vacuum layer. The inner layer is also referred to as the inner barrel and the outer layer is also referred to as the outer barrel. The vacuum cup body and the upper cover are assembled together, namely the shoulder of the outer barrel and the neck (water stop rib) of the inner barrel are collectively called as the mouth part, the external fit size of the mouth part refers to the height from the shoulder of the outer barrel to the end face of the drinking water port of the cup, and the internal fit size of the mouth part is the depth from the end face of the drinking water port of the cup to the water stop rib of the inner barrel. The gasket is not sealed with the water stop rib because the shoulder of the outer barrel is not contacted with the bottom edge of the upper cover and the gasket is not sealed with the water stop rib. This is in accordance with the principle that the tolerance of mechanical parts and the single direction matching surface in the matching theory are not dry.
Because the shapes of the mouth parts of the inner cylinder and the outer cylinder of the stainless steel vacuum cup are mostly cambered surfaces, inclined planes and short planes, the longitudinal height sizes from the shoulder parts and the water stop ribs to the end surfaces of the drinking water mouths can not be accurately and directly measured. If a three-coordinate measuring instrument is used for detection, on one hand, the instrument cost is high, on the other hand, the requirements on environment measurement and maintenance are high, and the three-coordinate measuring instrument is used for measuring the sizes of common daily necessities of the vacuum cup. In the current enterprise batch production, the marking measurement is carried out by visual inspection by using a height gauge, the comparison is carried out by using an irregular caliper marked with a marking line, and the upper cover is embedded and confirmed one by one.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a detection tool and a detection method for the matching size of the opening end of a cup-shaped revolving body part.
The purpose of the invention can be realized by the following technical scheme:
a cup-shaped revolving body part open end matching size checking fixture is used for measuring the distance from two or more virtual intersections or intersection points with fillet transition between an inner cylinder and an outer cylinder of a cup-shaped revolving body part to an opening end face, and comprises an external height checking fixture module and an internal depth checking fixture module,
the external height gauge module is in a hollow rotary body shape, at least one end face of the inner hole is a curved surface which is fit with the shape of the fillet transition part of the outer cylinder of the cup-shaped rotary body part and is used for being sleeved on the outer cylinder for positioning, the side wall of the external height gauge module is provided with a rectangular through hole,
the inner depth gauge module is composed of a straight handle shaft and a ferrule, the ferrule is sleeved on the straight handle shaft and is in sliding connection with the straight handle shaft in the axial direction, a bottom bevel angle used for fitting the shape of a fillet transition position of an inner cylinder of the cup-shaped revolving body part is arranged at the outer edge of the bottom of the straight handle shaft, and the bottom of the ferrule is in contact with the opening end face of the cup-shaped revolving body part during measurement.
Preferably, the distance from the upper edge of the rectangular through hole to the upper end face of the external height gauge module is equal to the distance from the lower edge of the rectangular through hole to the lower end face of the external height gauge module.
Preferably, when the external height gauge module is sleeved on the outer cylinder for positioning, the lower edge of the rectangular through hole is flush with two or more virtual intersections or intersection points of the round corner transition on the outer cylinder.
Preferably, the straight shank shaft and the ferrule of the internal depth gauge module are in clearance fit.
Preferably, the bottom of the ferrule of the internal depth gauge module is provided with a protruding part which is used for extending into the opening end of the inner cylinder, and the outer diameter of the protruding part is matched with the inner diameter of the opening end of the cup-shaped revolving body part.
The method for detecting the matching size of the opening end of the cup-shaped revolving body part adopts the detection tool and measures the distance from two or more virtual intersections or intersection points of which the inner cylinder and the outer cylinder are provided with fillet transitions to the end face of the opening by means of a height gauge.
Preferably, when the external height gauge module is sleeved on the outer barrel for positioning, the lower edge of the rectangular through hole is flush with two or more virtual intersections or intersection points of the round corner transition on the outer barrel, the distance from the two or more virtual intersections or intersection points of the round corner transition on the outer barrel to the opening end face is directly obtained by measuring the distance from the lower edge of the rectangular through hole to the opening end face by means of a height gauge.
Preferably, the inner cylinder is provided with a distance from a virtual intersection or point of two or more faces of the rounded transition to the open end face, by measuring the distance from the top end of the straight shank shaft to the top end of the ferrule by means of a height gauge and by conversion.
Preferably, when the distance from the virtual intersection or intersection point of two or more surfaces provided with fillet transition of the inner cylinder to the opening end surface is a standard value, the standard value is equal to the distance from the top end of the straight shank shaft to the top end of the ferrule measured by the height gauge during measurement.
Preferably, corresponding distance values are obtained by rotating each checking fixture unit for a plurality of times at a fixed angle, and respectively measuring and averaging the values.
Compared with the prior art, the invention has the following beneficial effects:
by means of the cooperation of the two gauge units and the height gauge, the matching sizes (shoulder height size and neck depth size) of the inner cylinder part and the outer cylinder part of the cup-shaped revolving body part (such as a stainless steel vacuum cup) and the welded opening end of the cup body can be quickly and accurately detected, the measurement of the sizes which cannot be directly measured by the conventional measuring tool is realized, and the size reading and recording are visual and convenient. The checking tool of the invention is used for checking and measuring, the precision is far higher than that of the visual measurement of the scribed line by a height gauge or a vernier caliper, and the cost is far lower than that of a high-end three-coordinate dotting measuring instrument.
Drawings
FIG. 1 is a schematic sectional view of a stainless steel thermos cup according to embodiment 1;
FIG. 2 is a schematic structural view of an external height gauge module in embodiment 1;
FIG. 3 is a schematic view of the external height gauge module of embodiment 1 measuring the shoulder height dimension of a stainless steel vacuum cup;
FIG. 4 is a schematic cross-sectional view of an internal depth gauge module according to embodiment 1;
FIG. 5 is a schematic cross-sectional view of the internal depth gauge module of embodiment 1 measuring the neck depth dimension of a stainless steel vacuum cup;
FIG. 6 is a schematic view of the internal depth gauge module of embodiment 1 measuring the depth dimension of the neck of a stainless steel vacuum cup.
In the figure, 1 is an external height gauge module, 11 is a curved surface, 12 is a rectangular through hole, 21 is a straight shank shaft, 211 is a bottom bevel angle, 22 is a ferrule, 221 is a bulge, 3 is a cup-shaped revolving body part, 31 is an open end face, and 32 is a virtual intersection line or intersection point of two or more surfaces provided with fillet transition.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
A cup-shaped revolving body part open end matching dimension checking fixture is used for measuring the distance from two-surface or multi-surface virtual intersection or intersection points 32 with fillet transition between an inner cylinder and an outer cylinder of a cup-shaped revolving body part 3 to an opening end face 31 as shown in figures 2-6, and is characterized by comprising an external height checking fixture module 1 and an internal depth checking fixture module,
the external height gauge module 1 is in a hollow rotary body shape, at least one end face of an inner hole is a curved surface 11 which is matched with the shape of a round corner transition part of an outer cylinder of a cup-shaped rotary body part and is used for being sleeved on the outer cylinder for positioning, the side wall of the external height gauge module 1 is provided with a rectangular through hole 12,
the internal depth gauge module is composed of a straight stem 21 and a ferrule 22, the ferrule 22 is sleeved on the straight stem 21 and is in sliding connection with the straight stem 21 in the axial direction, a bottom bevel angle 211 used for fitting the shape of a transition position of an inner cylinder fillet of the cup-shaped revolving body part 3 is arranged at the outer edge of the bottom of the straight stem 21, and the bottom of the ferrule 22 is in contact with an opening end face 31 of the cup-shaped revolving body part 3 during measurement.
The cup-shaped revolving body part 3 in this embodiment is a stainless steel vacuum cup, and the sectional structure thereof is shown in fig. 1, the bottom end of the shoulder part of the outer cylinder of the stainless steel vacuum cup is a two-sided or multi-sided virtual intersection or intersection point 32 of the outer cylinder of the cup-shaped revolving body part 3 with a fillet transition, and the bottom end of the water stop rib of the inner cylinder of the stainless steel vacuum cup is a two-sided or multi-sided virtual intersection or intersection point 32 of the inner cylinder of the cup-shaped revolving body part 3 with a fillet transition. The mold of the embodiment can realize the height of the shoulder of the stainless steel vacuum cup (the distance from the bottom end of the shoulder to the opening end surface 31) and the depth of the water stop rib (the distance from the bottom of the water stop rib to the opening end surface 31).
The curved surface 11 of the external height gauge module 1 in the embodiment is obtained by finish turning, the upper end surface and the lower end surface of the external height gauge module 1 are required to have high flatness, the perpendicularity between the two end surfaces and the side surfaces and the roundness of an inner hole are ensured, and a rectangular through hole can be obtained by linear cutting and is ground to be flat. The rectangular through hole 12 is formed in the middle of the external height gauge module 1, so that the distance from the upper edge of the rectangular through hole 12 to the upper end face of the external height gauge module 1 is equal to the distance from the lower edge of the rectangular through hole 12 to the lower end face of the external height gauge module 1, and thus, two ends of the height gauge module 1 can be selected at will for use, as shown in fig. 2 to 3.
In this embodiment, further, when the external height gauge module 1 is sleeved on the outer cylinder for positioning, the lower edge of the rectangular through hole 12 is flush with the two-sided or multi-sided virtual intersection or intersection point 32 provided with the fillet transition on the outer cylinder, so that the distance between the lower edge of the rectangular through hole 12 and the opening end face and the shoulder height are directly measured, and conversion is omitted.
The straight shank shaft 21 and the ferrule 22 which form the internal depth gauge module of the embodiment are also revolving body parts, the straight shank shaft 21 is in a stepped shaft form and can be obtained by finish turning, the upper end face and the lower end face need to be ground, the ferrule 22 is a hollow sleeve part and can be obtained by turning, the central hole is drilled and then is subjected to finish turning, and the upper end face and the lower end face also need to be ground. The bottom of the ferrule 22 of the internal depth gauge module is provided with a protruding part 221 extending into the opening end of the inner cylinder, the outer diameter of the protruding part 221 is matched with the inner diameter of the opening end of the cup-shaped revolving body part 3, so that inaccurate measurement caused by the random shaking of the ferrule can be avoided, at the moment, the straight shank shaft 21 of the internal depth gauge module is in clearance fit with the ferrule 22, and the over-positioning is avoided, as shown in fig. 4.
The method for detecting the matching size of the opening end of the cup-shaped revolving body part measures the distance from two or more virtual intersections or intersection points 32 with fillet transition between the inner cylinder and the outer cylinder to the opening end face 31 by adopting the gauge and by means of a height gauge. As shown in FIGS. 5 to 6.
Wherein, the urceolus is equipped with the two sides of fillet transition or the distance (shoulder height) of crossing 32 to the opening end face 31 of the virtual intersection line of multiaspect, with outside height examine a module 1 direct cover establish on the urceolus shoulder, directly obtain through measuring the distance H of rectangle through-hole 12 lower limb to opening end face 31 with the help of the altitude gauge, rectangle through-hole 12 lower limb flushes with the two sides of being equipped with the fillet transition on the urceolus or the virtual intersection line of multiaspect or crossing 32 (shoulder bottom) in this embodiment, this distance H is shoulder height promptly. If this is not the case, the dimension conversion is required according to the distance between the lower edge of the rectangular through hole 12 and the two-sided or multi-sided virtual intersection line or intersection point 32 provided with the rounded transition on the outer cylinder, which is troublesome and may be slightly inferior in accuracy.
The inner cylinder is provided with a distance (water stop rib depth) from a virtual intersection or intersection 32 of two or more surfaces of a fillet transition to an opening end surface 31, and the distance D from the top end of the straight shank shaft 21 to the top end of the ferrule 22 is measured by means of a height gauge1And is obtained by conversion. When in measurement, the straight handle shaft is firstly placed into the inner cylinder to be attached to the water stop rib, and then the sleeve ring is sleeved on the straight handle shaft to be contacted with the end face of the opening, so that the placement reliability is ensured, and the accurate measurement can be realized by means of a height gauge. The depth D of the water stop rib is L-D1-L1-L2(ii) a Wherein L is the height of the straight shank shaft, namely the distance from the top end to the bottom end of the straight shank shaft; l is1The thickness of the large end of the ferrule is the contact distance between the top end and the bottom end of the ferrule and the end surface of the opening; l is2The height of the lower end of the straight shank shaft is the distance from the position on the bottom bevel angle corresponding to the virtual intersection or intersection of two or more surfaces provided with fillet transition to the bottom end of the straight shank shaft. L, L1、L2The depth D of the water stop rib can be simply converted by measuring D1 because the depth is determined to be a fixed value when the internal depth gauge module is machined.
In order to conveniently judge whether the depth of the water stop rib meets the requirement, in the design, D which is directly read out in an ideal state (namely when the distance from the bottom of the water stop rib to the opening end face 31 is a standard value) is controlled1The value is equal to the depth value of the standard water stop rib, if D read by the height gauge1The larger the value is, the smaller the actual water stop rib depth is relative to the standard water stop rib depth, and if the height gauge reads D1The smaller the value is, the larger the actual water stop rib depth is relative to the standard water stop rib depth.
In order to obtain higher detection precision, corresponding distance data are obtained by adopting a method of rotating each detection tool unit for a plurality of times at a fixed angle, respectively measuring and averaging.
By adopting the technical scheme, the height of the shoulder and the depth data of the water stop ribs can be conveniently and visually measured, objective size data are obtained in detection operation, quantification of the matching size data of the opening end is realized, strict size control in batch production is facilitated, smooth assembly of the stainless steel vacuum cup is ensured, and good sealing performance (no water leakage after screwing) is achieved. In the aspect of detection precision, except for the fact that the precision of the existing height gauge is consistent, the error can be reduced to be within 0.5mm by using the detection tool provided by the invention, and the size which cannot be directly measured by the existing measuring tool can be measured on a size detection object by using the detection tool provided by the invention.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (8)
1. A cup-shaped revolving body part open end matching size detection tool is used for measuring the distance from two-sided or multi-sided virtual intersecting lines or intersecting points (32) with fillet transition to an open end face (31) of an inner cylinder and an outer cylinder of a cup-shaped revolving body part (3), and is characterized by comprising an external height detection tool module (1) and an internal depth detection tool module,
the external height gauge module (1) is in a hollow rotary body shape, at least one end face of an inner hole is a curved surface (11) fitting the shape of a fillet transition part of an outer cylinder of a cup-shaped rotary body part and used for being sleeved on the outer cylinder for positioning, a rectangular through hole (12) is formed in the side wall of the external height gauge module (1), the distance from the upper edge of the rectangular through hole (12) to the upper end face of the external height gauge module (1) is equal to the distance from the lower edge of the rectangular through hole (12) to the lower end face of the external height gauge module (1), when the external height gauge module (1) is sleeved on the outer cylinder for positioning, the lower edge of the rectangular through hole (12) is flush with two or more virtual intersecting lines or intersecting points (32) of the fillet transition on the outer cylinder,
the internal depth gauge module consists of a straight shank shaft (21) and a ferrule (22), wherein the ferrule (22) is sleeved on the straight shank shaft (21) and is in sliding connection with the straight shank shaft (21) in the axial direction, a bottom bevel angle (211) used for fitting the shape of a fillet transition part of an inner cylinder of the cup-shaped revolving body part (3) is arranged at the outer edge of the bottom of the straight shank shaft (21), and the bottom of the ferrule (22) is in contact with an opening end face (31) of the cup-shaped revolving body part (3) during measurement;
the method for detecting the matching size of the opening end of the cup-shaped revolving body part adopts the detection tool and measures the distance from two or more virtual intersecting lines or intersecting points (32) with round corner transition between the inner cylinder and the outer cylinder to the opening end face (31) by means of a height gauge;
when the external height gauge module (1) is sleeved on the outer barrel for positioning, the lower edge of the rectangular through hole (12) is flush with two or more virtual intersecting lines or intersecting points (32) with fillet transition arranged on the outer barrel, the distance from the two or more virtual intersecting lines or intersecting points (32) with fillet transition arranged on the outer barrel to the opening end face (31) is directly obtained by measuring the distance from the lower edge of the rectangular through hole (12) to the opening end face (31) by means of a height gauge;
the distance from a virtual intersection line or intersection point (32) of two or more surfaces of the inner cylinder provided with the fillet transition to the opening end surface (31) is obtained by measuring the distance from the top end of the straight shank shaft (21) to the top end of the ferrule (22) by means of a height gauge and converting the size.
2. The cup-shaped revolving body part open end fit dimension checking fixture according to claim 1, wherein the straight shank shaft (21) and the ferrule (22) of the internal depth checking fixture module are in clearance fit.
3. The cup-shaped revolving body part open end matching dimension checking fixture as claimed in claim 1 or 2, characterized in that the bottom of the ferrule (22) of the internal depth checking fixture module is provided with a bulge (221) for extending into the open end of the inner cylinder, and the outer diameter of the bulge (221) is matched with the inner diameter of the open end of the cup-shaped revolving body part (3).
4. A method for detecting the matching size of the opening end of a cup-shaped revolving body part is characterized in that the gauge according to any one of claims 1 to 3 is adopted, and the distance from a virtual intersection line or intersection point (32) of two or more surfaces of an inner cylinder and an outer cylinder with fillet transition to an opening end face (31) is measured by means of a height gauge.
5. The method for detecting the matching size of the opening end of the cup-shaped revolving body part according to claim 4, wherein when the external height gauge module (1) is sleeved on the outer cylinder for positioning, the lower edge of the rectangular through hole (12) is flush with the two-sided or multi-sided virtual intersection line or intersection point (32) provided with the fillet transition on the outer cylinder, and the distance from the two-sided or multi-sided virtual intersection line or intersection point (32) provided with the fillet transition on the outer cylinder to the opening end face (31) is directly obtained by measuring the distance from the lower edge of the rectangular through hole (12) to the opening end face (31) by means of a height gauge.
6. The method for detecting the fitting dimension of the open end of a cup-shaped rotor part according to claim 4, wherein the distance from the two or more virtual intersection lines or points (32) of the round transitions of the inner cylinder to the open end face (31) is obtained by measuring the distance from the top end of the stem (21) to the top end of the ferrule (22) by means of a height gauge and by performing a dimensional conversion.
7. The method for detecting the fitting dimension of the open end of a cup-shaped rotor part according to claim 6, wherein when the distance from the virtual intersection line or intersection point (32) of the two or more surfaces of the inner cylinder provided with the fillet transition to the open end face (31) is a standard value, the standard value is equal to the distance from the top end of the straight shank (21) to the top end of the ferrule (22) measured by a height gauge at the time of measurement.
8. The method for detecting the fit dimension of the open end of the cup-shaped revolving body part according to claim 4, wherein the corresponding distance value is obtained by rotating each gauge unit several times at a fixed angle, and measuring and averaging the values respectively.
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| JPS6069501A (en) * | 1983-09-26 | 1985-04-20 | Mitsubishi Heavy Ind Ltd | Measuring device for size of chamfering |
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