CN217255819U - Special inspection-marking device of return bend part - Google Patents
Special inspection-marking device of return bend part Download PDFInfo
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- CN217255819U CN217255819U CN202221134460.XU CN202221134460U CN217255819U CN 217255819 U CN217255819 U CN 217255819U CN 202221134460 U CN202221134460 U CN 202221134460U CN 217255819 U CN217255819 U CN 217255819U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The utility model discloses a special inspection-marking device of return bend part, including bottom plate, first inspection support, second inspection support, third inspection support, M6 hexagon socket head cap screw, fourth inspection support, fifth inspection support and quick compactor. Adopt the utility model discloses carry out the inspection of return bend part and greatly reduced the time of part size inspection and marking off cutting, the quick clamping of part can be realized to the device and because the assurance of device, the key dimension of part has obtained effective control, can assess the actual assembly of return bend part and have the risk degree of interference, has greatly improved return bend part qualification rate.
Description
Technical Field
The utility model belongs to the technical field of detection device, specifically a special verifying attachment and marking device of return bend part is applicable to the size inspection of return bend shaping part and the interference risk assessment of the actual assembly process of return bend part.
Background
The bending pipe forming is the most common forming mode for forming the existing pipe parts, the bending pipe parts are widely applied to the manufacturing fields of automobiles, ships, aviation equipment and the like, particularly the manufacturing of various bending pipes in an oil way is reflected, the bending pipe parts are influenced by the assembly relation of the parts, the bending pipe parts are often required to be designed into special-shaped parts by avoiding other parts, the size is usually formed into a combination of various spatial sizes, even if the numerical control pipe bender and other processing equipment are guaranteed, the size and the precision of the bending pipe parts are difficult to guarantee due to the size error of the raw materials of the pipes and the inevitable factors such as rebound deformation in the bending forming process, the size inspection after forming is also a difficult problem, and the conventional measuring tool cannot measure the size of the parts due to the existence of a plurality of spatial sizes.
The current common inspection method is to use a cavity designed according to the external dimension of a bent pipe part, and the part can be placed in the cavity and well attached to be qualified, and the method has the following defects: because the method is used for simultaneously carrying out limit detection on all straight edge ends and all bent sections of the part, the part can not be smoothly placed into a cavity tool under normal conditions due to rebound deformation of the part, even if the dimensional tolerance of the cavity is increased or the part is smoothly placed into the cavity tool through repeated calibration, the dimensional precision of the final part can be reduced, the key dimension of the bent pipe part in actual assembly can not be effectively measured, the qualified rate of the part is low, unnecessary damage can be caused to the surface of the part through repeated clamping and disassembling, the labor cost is increased, and the product quality is reduced.
Disclosure of Invention
The utility model aims at providing a special inspection-marking device of return bend part to solve the difficulty that the return bend part exists in the size inspection process after the shaping, improve return bend part key size's detection precision, evaluate the interference risk of the actual assembling process of part, improve the product percent of pass, reduction in production cost. Furthermore, the integration of the inspection device and the scribing device is realized, and a cutting reference is provided for removing allowance after the part is molded.
In order to solve the above problem, the utility model adopts the following technical scheme:
a special inspection-marking device for elbow parts comprises,
the upper end surface of the bottom plate is a plane;
the first inspection support is connected to the upper end face of the bottom plate, a first U-shaped positioning groove and a first inspection-scribing end face are arranged on the first inspection support, the axis of the first U-shaped positioning groove is perpendicular to the first inspection-scribing end face, and a first included angle is formed between the axis of the first U-shaped positioning groove and the upper end face of the bottom plate;
the second inspection support is connected to the upper end face of the bottom plate, a second inspection surface is arranged at the upper end of the second inspection support, and a second included angle is formed between the second inspection surface and the upper end face of the bottom plate;
the third inspection support is connected to the upper end face of the bottom plate, a U-shaped groove is formed in the third inspection support, and the axis of the U-shaped groove is parallel to the upper end face of the bottom plate;
the fourth inspection support is connected to the upper end face of the bottom plate, a third inspection surface is arranged on the fourth inspection support, and the third inspection surface is a plane and is perpendicular to the upper end face of the bottom plate;
the fifth inspection support is connected to the upper end face of the bottom plate, a second U-shaped positioning groove and a second inspection-scribing end face are arranged on the fifth inspection support, the axis of the second U-shaped positioning groove is perpendicular to the second inspection-scribing end face, and the axis of the second U-shaped positioning groove is parallel to the upper end face of the bottom plate;
the rapid compactor is respectively connected to the first inspection support, the third inspection support and the fifth inspection support, and the compacting direction of the rapid compactor points to the first U-shaped positioning groove, the U-shaped groove and the second U-shaped positioning groove;
the first inspection support, the second inspection support, the third inspection support, the fourth inspection support and the fifth inspection support are arranged along the direction of the axis of the elbow part, wherein the first inspection support and the fifth inspection support are respectively positioned at two ends of the elbow part.
Further, the first included angle has a value ranging from 0 ° to 180 ° (including a case equal to 0 ° and a case equal to 180 °), and the second included angle has a value ranging from 0 ° to 180 ° (including a case equal to 0 ° and a case equal to 180 °).
Further, the first inspection support, the second inspection support, the third inspection support, the fourth inspection support and the fifth inspection support are connected to the upper end face of the bottom plate through screws.
Further, the quick compactor is connected to the first inspection support, the third inspection support and the fifth inspection support through screws.
Further, the quick compactor is a manually driven compactor.
Furthermore, the U-shaped cross sections of the U-shaped groove, the first U-shaped positioning groove and the second U-shaped positioning groove are concentric with the cross section of the clamping part of the bent pipe part, and the dimensional tolerance of the U-shaped groove, the first U-shaped positioning groove and the second U-shaped positioning groove is the same as the external diameter tolerance of the bent pipe part.
Furthermore, the special inspection-scribing device for the elbow part further comprises a plug gauge, and the plug gauge is used for measuring gaps between the elbow part and the first inspection support, the second inspection support, the third inspection support, the fourth inspection support or the fifth inspection support.
Compared with the prior art, the utility model discloses possess following characteristics:
(1) the inspection device is relatively simple to manufacture, quick to clamp in the using process and simple to use;
(2) the repair amount of the elbow part qualified by the inspection of the inspection device is greatly reduced in the actual assembly;
(3) the checking-marking device meets the designed size requirement and installation requirement, and has good use effect and stable quality;
(4) the inspection-scribing device improves the detection precision of the key size of the bent pipe part, the assembly size tolerance of the end part of the pipe is less than or equal to 0.1mm, the size precision of the position with interference risk in assembly is less than or equal to 2mm, the interference risk in the actual assembly process of the part can be evaluated, and the part qualification rate is improved;
(5) the integrated integration of the checking and scribing functions is realized, the scribing method is simple and convenient, and the error is small.
Drawings
FIG. 1 is a schematic view of a check-scribe apparatus assembly;
FIG. 2 is a schematic diagram of a CD control point distribution;
FIG. 3 is a general view of the check-scribe assembly;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a three-dimensional schematic view of an elbow part;
FIGS. 6-9 are schematic views of a first inspection support;
FIGS. 10-12 are schematic views of a second inspection support;
FIGS. 13-16 are schematic views of a third inspection support;
FIGS. 17-19 are schematic views of a fourth inspection support;
FIGS. 20-24 are schematic views of a fifth inspection pedestal;
fig. 25 is a schematic view of a rapid compactor.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings and specific embodiments, but it should not be understood that the scope of the present invention is limited to the following embodiments, and various modifications, substitutions and changes made according to the ordinary technical knowledge and conventional means in the art without departing from the technical spirit of the present invention are included in the scope of the present invention.
The inspection-scribing device is specially used for inspection-scribing of the elbow part as shown in figure 1, and five different types of inspection supports are combined to detect different inspection elements according to the inspection elements (axis bending angle, section outer diameter size, end face axis angle and length size between different control points) of the elbow part. For example, the U-shaped groove, the first U-shaped positioning groove and the second U-shaped positioning groove can be used for detecting the height difference of all the parts of the bent pipe part through the height of the axis of the U-shaped section and can also be used for detecting the outer diameter size of all the sections of the part; the second inspection surface can inspect the bending angle of the bent pipe part; the third inspection surface can inspect the distance dimension between different positions of the elbow part.
Taking the inspection of the elbow part as shown in fig. 5 as an example, the device and principle of the present invention will be described in detail, and the inspection-scribing device specifically includes:
as shown in fig. 1 to 4, the bottom plate 6 is a flat plate, the upper end face of the flat plate is a mounting plane of the inspection support, the bottom plate 6 is provided with lightening holes, and the upper end face and the lower end face of the bottom plate 6 have the requirements of parallelism and surface roughness.
The first checking support 1, as shown in fig. 1 and fig. 6-9, is provided with 4 through holes at the bottom of the first checking support 1, the first test support 1 is fixed on the bottom plate 6 by means of a screw 8, the first test support 1 is provided with a first U-shaped positioning groove (R9.1 in figure 7) and a first test-scribing end surface 10, the device is used for checking the position and the size of the bent pipe part and providing a reference surface for subsequent allowance positioning and scribing of the cut part, a first included angle between the axis of the first U-shaped positioning groove and the bottom surface of the first checking support 1 is 147 degrees (or 33 degrees), the axis of the first U-shaped positioning groove is perpendicular to the first checking-scribing end face 10, the included angle between the first checking-scribing end face 10 and the upper end face of the bottom plate 6 is 57 degrees, and the upper part of the first checking support 1 is provided with 4 threaded blind holes which can be connected and fixed with the quick compactor 9 through screws 8.
As shown in fig. 1 and 13 to 16, the third inspection support 3 is provided with 4 through holes, the third inspection support 3 can be fixed on the bottom plate 6 through the connection of screws 8, the third inspection support 3 is provided with a U-shaped groove, and the axis of the U-shaped groove is parallel to the upper end surface of the bottom plate 6 and is used for inspecting the position and size of the bent pipe part; the upper part of the third inspection support 3 is provided with 4 threaded blind holes which can be fixedly connected with a quick compactor 9 through screws 8.
A fourth inspection support 5, as shown in fig. 1 and 17 to 19, the fourth inspection support 5 is provided with 2 through holes, the fourth inspection support 5 can be fixed on the bottom plate 6 through connection of screws 8, the fourth inspection support 5 comprises a third inspection surface (a surface marked with a vertical degree in fig. 18), the third inspection surface is perpendicular to the upper end surface of the bottom plate 6, and is used for inspecting the end surface position size of the elbow part, namely the maximum length of the elbow part from the end surface;
the fifth checking support 7 is provided with 4 through holes as shown in fig. 1 and fig. 20-24, the fifth checking support 7 can be fixed on the bottom plate 6 through connection of screws 8, the fifth checking support 7 is provided with a second U-shaped positioning groove (R9.1 in fig. 20) and a second checking-scribing end surface 11 which are used for checking the position size of the bent pipe part and providing a reference surface for allowance positioning and scribing of a subsequent cut part, the axis of the second U-shaped positioning groove is parallel to the upper end surface of the bottom plate 6, the axis of the second U-shaped positioning groove is perpendicular to the second checking-scribing end surface 11, the upper part of the fifth checking support 7 is provided with 4 threaded blind holes which can be connected and fixed with the quick compactor 9 through the screws 8.
The U-shaped positioning grooves in the first detection support 1 and the fifth detection support 7 are concentric with the section of the clamping part of the bent pipe part, and the size design method of the U-shaped positioning grooves is designed according to the tolerance range of the outer diameter of the pipe material in the technical conditions of the raw materials of the part.
Quick compactor 9, quick compactor 9 are the standard component, possess the replaceability, and accessible screw 8 is connected to be connected fixedly with first inspection support 1, third inspection support 3, fifth inspection support 7, exerts radial pressure to the return bend part, and the radial degree of freedom of return bend part is controlled in the U type groove control on the cooperation inspection support, and the drive method is manual, but quick clamping. The clamping mode of the device is that a U-shaped groove on the inspection support is combined with a quick compressor 9 matched with the inspection support for use, the space size of the bent pipe part is controlled, and the key positions (namely two ends) of the actual assembly of the pipe are ensured by the first inspection support 1 and the fifth inspection support 7. The parts for clamping and limiting the bent pipe part by using the quick compressor 9 are straight edge ends of the bent pipe part, risk control points are arranged at places where interference possibly exists in actual assembly of the bent pipe part, for example, interference risk positions are limited in the actual assembly of the bent pipe part by using the second inspection support 2 and the fourth inspection support 5, gaps can be measured by using common measuring tools such as a feeler gauge, and the risk degree of interference in the actual assembly of the bent pipe part is evaluated.
After the elbow part is placed on the device according to the figure 1 and is pressed and fixed by the quick compressor 9, two checking-marking end surfaces on the first checking support 1 and the fifth checking support 7 are important sizes for checking the assembly of the elbow part and other parts, a reference surface is provided for trimming the allowance of the elbow part, a common marking tool can be used for marking the part along the checking-marking end surfaces, and the part can be trimmed according to the mark.
The design method of the inspection-scribing device comprises the following steps:
(1) the sizes of all parts in the checking-scribing device are designed according to the theoretical size of the bent pipe part, for example, the size design method of the first U-shaped positioning groove and the second U-shaped positioning groove on the first checking support 1 and the fifth checking support 7 is designed according to the maximum outer diameter of raw materials in the technical conditions of the raw materials of the bent pipe part, the tolerance range is controlled to be less than or equal to 0.22mm, the angle size is also designed according to the theoretical angle size of the part, the tolerance range is controlled to be +/-10', namely the included angle between the first checking-scribing end surface 10 and the upper end surface of the bottom plate 6 in the figures 3 and 4 and the included angle between the axis of the first U-shaped positioning groove and the upper end surface of the bottom plate 6 are controlled;
(2) aiming at the elbow part in the figure 5, a plurality of assembly interference risk points and assembly key positions (a first assembly key position 12, a third assembly interference risk point 13, a second assembly interference risk point 14, a first assembly interference risk point 15 and a second assembly key position 16 in the figure 2) are marked, and in order to control the size of the part interference risk points, form and position tolerances of the arranged second inspection support 2 and the fourth inspection support 5 are controlled, and form and position tolerance requirements of flatness and verticality are increased (such as figures 10-12 and figures 17-19);
(3) the raw materials of the parts of the inspection-marking device are LY12 hard aluminum materials, so that the cutting performance is good, the use requirement of the rigidity of the inspection device is met, and the economical principle is met.
The size inspection and scribing process of the bent pipe part comprises the following steps:
(1) the quick-action presser 9 on the checking device (fig. 1 and 2) is opened manually;
(2) placing the bent pipe part (figure 5) in a first testing support 1, a third testing support 3 and a fifth testing support 7 of a testing device (figures 1 and 2) so that the bent pipe part is completely placed in a first U-shaped positioning groove, a U-shaped groove and a second U-shaped positioning groove of the three testing supports;
(3) manually closing the three rapid compactors 9, and applying pressure to the bent pipe part to enable the bent pipe part to be tightly attached to the surfaces of the first U-shaped positioning groove, the U-shaped groove and the second U-shaped positioning groove, so as to ensure that the end part of the bent pipe part is concentric with the section of the corresponding U-shaped groove;
(4) the clearance values between the elbow part and the second inspection support 2 and between the elbow part and the fourth inspection support 5 are respectively inspected by using a feeler gauge, and the clearance value is less than or equal to 2 mm;
(5) circumferentially scoring the elbow component (fig. 2) perpendicular to the tube axis with a first check-score end face 10 (fig. 2) on the first check abutment 1 and a second check-score end face 11 (fig. 2) on the fifth check abutment 7, respectively;
(6) after the scribing is finished, cutting allowance is carried out on the bent pipe part (shown in figure 2) along the line;
(7) and (4) repeating the steps (1) to (4), and finally checking whether two ends (shown in figure 2) of the bent pipe part are respectively flush with a first checking-scribing end surface 10 (shown in figure 2) on the first checking support 1 and a second checking-scribing end surface 11 (shown in figure 2) on the fifth checking support 7, wherein the flushing is qualified.
Claims (7)
1. A special inspection-marking device of return bend part which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the upper end surface of the bottom plate (6) is a plane;
the first inspection support (1) is connected to the upper end face of the bottom plate (6), a first U-shaped positioning groove and a first inspection-scribing end face (10) are arranged on the first inspection support (1), the axis of the first U-shaped positioning groove is perpendicular to the first inspection-scribing end face (10), and a first included angle is formed between the axis of the first U-shaped positioning groove and the upper end face of the bottom plate (6);
the second inspection support (2) is connected to the upper end face of the bottom plate (6), a second inspection surface is arranged at the upper end of the second inspection support (2), and a second included angle is formed between the second inspection surface and the upper end face of the bottom plate (6);
the third inspection support (3) is connected to the upper end face of the bottom plate (6), a U-shaped groove is formed in the third inspection support (3), and the axis of the U-shaped groove is parallel to the upper end face of the bottom plate (6);
the fourth inspection support (5) is connected to the upper end face of the bottom plate (6), a third inspection surface is arranged on the fourth inspection support (5), and the third inspection surface is a plane and is perpendicular to the upper end face of the bottom plate (6);
the fifth testing support (7) is connected to the upper end face of the bottom plate (6), a second U-shaped positioning groove and a second testing-scribing end face (11) are arranged on the fifth testing support (7), the axis of the second U-shaped positioning groove is perpendicular to the second testing-scribing end face (11), and the axis of the second U-shaped positioning groove is parallel to the upper end face of the bottom plate (6);
the rapid pressing device (9) is connected to the first inspection support (1), the third inspection support (3) and the fifth inspection support (7) respectively, and the pressing direction of the rapid pressing device (9) points to the first U-shaped positioning groove, the U-shaped groove and the second U-shaped positioning groove;
first inspection support (1), second inspection support (2), third inspection support (3), fourth inspection support (5) and fifth inspection support (7) are arranged along the axis trend of return bend part, wherein, first inspection support (1) and fifth inspection support (7) are located the both ends of return bend part respectively.
2. The special inspection-marking device for elbow parts according to claim 1, wherein: the value range of the first included angle is 0-180 degrees, and the value range of the second included angle is 0-180 degrees.
3. The special inspection-marking device for elbow parts according to claim 1, wherein: the first inspection support (1), the second inspection support (2), the third inspection support (3), the fourth inspection support (5) and the fifth inspection support (7) are connected to the upper end face of the bottom plate (6) through screws (8).
4. The special inspection-marking device for elbow parts according to claim 1, wherein: the quick compressor (9) is connected to the first inspection support (1), the third inspection support (3) and the fifth inspection support (7) through screws (8).
5. The special inspection-marking device for elbow parts according to claim 1, wherein: the rapid compactor (9) is a manually driven compactor.
6. The special inspection-marking device for elbow parts according to claim 1, wherein: the U-shaped cross sections of the U-shaped groove, the first U-shaped positioning groove and the second U-shaped positioning groove are concentric with the cross section of the clamping part of the bent pipe part, and the dimensional tolerance of the U-shaped groove, the first U-shaped positioning groove and the second U-shaped positioning groove is the same as the external diameter tolerance of the bent pipe part.
7. The special inspection-marking device for elbow parts according to claim 1, wherein: the clearance between the elbow part and the first inspection support (1), the second inspection support (2), the third inspection support (3), the fourth inspection support (5) or the fifth inspection support (7) is measured by the clearance gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221134460.XU CN217255819U (en) | 2022-05-12 | 2022-05-12 | Special inspection-marking device of return bend part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221134460.XU CN217255819U (en) | 2022-05-12 | 2022-05-12 | Special inspection-marking device of return bend part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217255819U true CN217255819U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221134460.XU Active CN217255819U (en) | 2022-05-12 | 2022-05-12 | Special inspection-marking device of return bend part |
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| CN (1) | CN217255819U (en) |
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- 2022-05-12 CN CN202221134460.XU patent/CN217255819U/en active Active
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