CN111595221A - Welding assembly, welding assembly detection tool and detection method of welding assembly - Google Patents

Welding assembly, welding assembly detection tool and detection method of welding assembly Download PDF

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Publication number
CN111595221A
CN111595221A CN202010341166.5A CN202010341166A CN111595221A CN 111595221 A CN111595221 A CN 111595221A CN 202010341166 A CN202010341166 A CN 202010341166A CN 111595221 A CN111595221 A CN 111595221A
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CN
China
Prior art keywords
sub
sliding block
base
welding
detection
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CN202010341166.5A
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Chinese (zh)
Inventor
张荣昌
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Zhejiang Yilu Metal Products Co ltd
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Zhejiang Yilu Metal Products Co ltd
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Priority to CN202010341166.5A priority Critical patent/CN111595221A/en
Publication of CN111595221A publication Critical patent/CN111595221A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0037Measuring of dimensions of welds
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes

Abstract

The invention provides a welding assembly, a welding assembly detection tool and a welding assembly detection method. It has solved the current inconvenient problem of examining utensil detection. A welding assembly detection fixture, comprising: the upper plane of the base is a reference plane of the checking fixture; the fixing mechanism comprises a pressing clamp and a secondary sub-part positioning pin, and is used for positioning and fixing the appearance of the welding part to be detected; the length detection mechanism for the weldment to be detected comprises a first length detection mechanism and a second length detection mechanism, wherein the first length detection mechanism and the second length detection mechanism are fixed with the base and are arranged in parallel; a sub-part-welding height and parallelism detection mechanism; a mechanism for detecting the welding height and the parallelism of a sub-part three comprises a second sliding block base and a second sliding block, wherein a sliding groove for the second sliding block to slide along the length direction of the first sliding block base is formed in the second sliding block base, and a sub-part three-welding-height and parallelism detection cavity is formed in the second sliding block. The invention has the characteristics of higher detection efficiency and easier product size control.

Description

Welding assembly, welding assembly detection tool and detection method of welding assembly
Technical Field
The invention belongs to the technical field of detection tools, and relates to a welding assembly, a detection tool for the welding assembly and a detection method for the welding assembly.
Background
The checking fixture is a simple tool for controlling various sizes of products by industrial production enterprises, improves the production efficiency and controls the quality, and is suitable for mass production of products, such as automobile parts, to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges and the like. The welding part detection tool is a tool for detecting the precision of a welding part, and for some complex parts such as welding assemblies, the position degree requirement of a part mounting hole is high, the detection efficiency is low by adopting conventional three-coordinate detection and other modes, and time and labor are wasted.
The following conditions are required to be satisfied in the welding process and the welded product: 1) the total length of the product is welded, the specific requirement of the total length is that the length is 100mm, and the free tolerance is +/-0.7 mm; 2) the linear distance between the small round hole and the big round hole is 35.3mm +/-0.3 mm, and the linear distance between the small round hole and the edge distance is 11 +/-0.3 mm; 3) the parallelism from the square sheet to the bottom surface is 0.3 mm; 4) the parallelism of the bolt to the bottom surface is 0.3 mm.
The checking fixture in the prior art cannot quickly detect the requirements of the welding assembly, and is not beneficial to distinguishing qualified products and unqualified products of the welding assembly by workers.
In summary, in order to overcome the structural defects of the existing checking fixture, the invention designs the welding assembly detection checking fixture which is simple in structure and convenient to detect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a welding assembly detection tool and a welding assembly detection method which are higher in detection efficiency and easier to control product size.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a welding assembly, comprising: the first sub-piece is in a sheet shape, the second sub-piece is in a U-shaped structure, the third sub-piece is in a cylindrical shape, threads are arranged outside the cylindrical shape, and the second sub-piece is arranged between the first sub-piece and the third sub-piece.
A welding assembly detection fixture, comprising:
the upper plane of the base is a reference plane of the checking fixture;
the fixing mechanism comprises a pressing clamp and a secondary sub-part positioning pin, and is used for positioning and fixing the appearance of the welding part to be detected;
the length detection mechanism for the weldment to be detected comprises a first length detection mechanism and a second length detection mechanism, wherein the first length detection mechanism and the second length detection mechanism are fixed with the base and are arranged in parallel;
the first sub-piece welding height and parallelism detection mechanism comprises a first sliding block base and a first sliding block, wherein the first sliding block base and the first sliding block are detachably fixed, a sliding groove for the first sliding block to slide along the length direction of the first sliding block base is formed in the first sliding block base, and a first sub-piece welding height and parallelism detection cavity is formed in the first sliding block;
a mechanism for detecting the welding height and the parallelism of a sub-part comprises a second sliding block base and a second sliding block, wherein the second sliding block base and the base are detachably fixed, a sliding groove for the second sliding block to slide along the length direction of the first sliding block base is formed in the second sliding block base, and a detection cavity for detecting the welding height and the parallelism of the sub-part is formed in the second sliding block.
As a further improvement of the scheme, the pressing clamp and the base are detachably fixed through threads, a fixing part is arranged at the end part of the pressing clamp and used for fixing the second sub-part;
the positioning pin is detachably arranged in the fixing hole of the base, and the second positioning pin of the sub-piece is used for positioning the appearance of the second sub-piece.
As another improvement of the scheme, the first length detection mechanism comprises a third sliding block base and a third sliding block, a sliding groove for the third sliding block to slide along the width direction of the third sliding block base is formed in the third sliding block base, the third sliding block is L-shaped, and the end face of the third sliding block abuts against one end of the sub-piece;
the length detection mechanism II comprises a four-base sliding block and a four-base sliding block, a sliding chute for the four-base sliding block to slide along the width direction of the four-base sliding block is arranged on the four-base sliding block, the four-base sliding block is of an L shape, and the end face of the four-base sliding block is abutted to the three ends of the sub-piece.
The distance from the L-shaped end face of the third sliding block to the L-shaped end face of the fourth sliding block is W, the length of the welding assembly is L, the allowable error range of the total length of the welding assembly is sigma, and W is equal to L + sigma.
As a further improvement of the scheme, the first length detection mechanism further comprises a detection pin and a positioning pin, and the third sliding block is provided with a through hole for the positioning pin to pass through and a detection hole for the detection pin to pass through.
The diameter size of inspection hole is Q, and a sub-piece round hole diameter is P, and a sub-piece round hole center and a sub-piece two round hole center distance, a sub-piece round hole center and a sub-piece edge distance allowed error range is zeta, satisfies Q ═ P + zeta.
As another improvement of the scheme, the shape of the first detection cavity of the sliding block is a rectangular cavity which is the same as that of the first sub-part, the height of the central axis of the detection cavity is consistent with that of the central axis of the first sub-part, the height of the detection cavity is A, the thickness of the first sub-part is B, the welding parallelism requirement of the first sub-part is alpha, and A is B + alpha.
As a further improvement of the scheme, the shape of the detection cavity of the second sliding block is a circular cavity which is the same as that of the central axis of the third sub-part, the height of the central axis of the detection cavity is consistent with that of the central axis of the third sub-part, the diameter of the detection cavity is N, the diameter of the third sub-part is M, the requirement on the parallelism of the welding of the third sub-part is beta, and N is M + beta.
A detection method of a welded assembly detects the welded assembly by using a welded assembly detection tool, and comprises the following steps:
1) horizontally placing the U-shaped surface of the welding assembly on the base in an upward mode, sleeving round holes of the sub-pieces into the positioning pins, pressing the sub-pieces tightly by the pressing clamps, pushing the first sliding block to be in contact with the first welding assembly sub-piece, and if the first sub-piece can freely slide in a rectangular cavity of the first sliding block, indicating that the welding height and parallelism of the first welding assembly sub-piece are within the form and position tolerance range of the first welding assembly sub-piece;
2) and pushing the second sliding block to be in contact with the third welding component part, wherein if the third sliding block can freely slide in the circular hole-shaped cavity of the second sliding block, the welding height and the parallelism of the third welding component part are within the form and position tolerance range.
3) And the third sliding block is pushed to be in contact with the first welding assembly sub-piece, the fourth sliding block is pushed to be in contact with the third welding assembly sub-piece, and both ends of the welding assembly can freely pass through, so that the total length of the welding assembly is within the allowable error range.
4) And (3) pushing the second sliding block to contact with the first welding assembly sub-piece, inserting the positioning pin into the third positioning pin hole of the sliding block, inserting the detection pin into the third detection hole of the sliding block, and if the detection pin can smoothly pass through the third detection hole of the detection sliding block, indicating that the size is in a tolerance range, wherein the product is a qualified product.
Compared with the prior art, the detection tool for the welding assembly is combined with the detection method for the welding assembly, so that the welding assembly is convenient to detect, and qualified products and unqualified products can be quickly distinguished; after the welding assembly is installed and fixed in the checking fixture, the parallelism from a first welding assembly part to the bottom surface can be directly detected by moving a first sliding block; the parallelism of the welding assembly sub-piece III to the bottom surface can be directly detected by moving the sliding block II; the total length of the welding assembly can be directly detected by moving the third sliding block and the fourth sliding block; after the sliding positions of the three sliding blocks are fixed through the positioning pins, the hole pitch of a small round hole of a welding assembly sub-piece and a large round hole of a welding assembly sub-piece and the edge pitch of an edge of the sub-piece can be directly detected through the plugging detection pins. The whole process operation is continuously completed, the operation is convenient and fast, and the detection efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a welded assembly.
Fig. 2 is a schematic structural diagram of the present invention.
FIG. 3 is a schematic representation of an embodiment of the present invention for detecting parallelism of a flat sheet to a bottom surface of a welded assembly.
FIG. 4 is a schematic view of an embodiment of the present invention for detecting parallelism of a welded assembly bolt to the ground.
FIG. 5 is a schematic diagram of an embodiment of the present invention for detecting the overall length of a welded assembly
FIG. 6 is a schematic top view of an embodiment of the present invention for detecting the location of a small circular hole in a flat welded component
FIG. 7 is a schematic front view of an embodiment of the present invention for detecting the location of a small circular hole in a flat welded component
Fig. 8 is a schematic structural diagram of the first sub-element.
Fig. 9 is a schematic structural diagram of the first sub-element.
Fig. 10 is a schematic structural view of the first sub-element.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.
Fig. 8, 9, 10 and 1 are diagrams of welded sub-parts and the effect of the welded product.
A welding assembly, comprising: the device comprises a first sub-piece 1, a second sub-piece 2 and a third sub-piece 3, wherein the first sub-piece 1 is sheet-shaped, the second sub-piece 2 is of a U-shaped structure, the third sub-piece 3 is cylindrical, threads are arranged outside the cylindrical shape, and the second sub-piece 2 is arranged between the first sub-piece 1 and the third sub-piece 3.
Wherein, fig. 8, 9, 10 correspond to sub-piece one, sub-piece two, sub-piece three respectively, and sub-piece one is the slice, and sub-piece two is U type structure, and sub-piece three is cylindric, and this cylindric is equipped with the screw thread outward.
As shown in fig. 2 to 7, the welding assembly detection tool includes:
the upper plane of the base is a reference plane of the checking fixture;
the fixing mechanism comprises a pressing clamp and a secondary sub-part positioning pin, and is used for positioning and fixing the appearance of the welding part to be detected;
the length detection mechanism for the weldment to be detected comprises a first length detection mechanism and a second length detection mechanism, wherein the first length detection mechanism and the second length detection mechanism are fixed with the base and are arranged in parallel;
the first sub-piece welding height and parallelism detection mechanism comprises a first sliding block base and a first sliding block, wherein the first sliding block base and the first sliding block are detachably fixed, a sliding groove for the first sliding block to slide along the length direction of the first sliding block base is formed in the first sliding block base, and a first sub-piece welding height and parallelism detection cavity is formed in the first sliding block;
a mechanism for detecting the welding height and the parallelism of a sub-part comprises a second sliding block base and a second sliding block, wherein the second sliding block base and the base are detachably fixed, a sliding groove for the second sliding block to slide along the length direction of the first sliding block base is formed in the second sliding block base, and a detection cavity for detecting the welding height and the parallelism of the sub-part is formed in the second sliding block.
In particular, the amount of the solvent to be used,
as shown in fig. 3, the first slider-base 11 is in a rectangular parallelepiped shape, is in interference fit with the base 1, and is embedded on the base 1, the first slider 21 is located on the first slider-base 11, a boss 211 is arranged below the first slider 21, a groove 111 with the same shape and size as the first slider-boss 211 is cut on the upper surface of the first slider-base 11, and the first slider-boss 211 and the first slider-base groove 111 are matched with each other and in transition fit; the first sliding block 21 is internally cut with a rectangular cavity 212 with the height of A, the height of the central shaft of the rectangular cavity is consistent with that of a central shaft of the welding assembly sub-piece, the thickness of the welding assembly sub-piece is B, the parallelism size requirement is alpha, and A is B + alpha.
As shown in fig. 4, the shape of the second base 12 of the slider is a cuboid, and is in interference fit with the base 1, and is embedded on the base 1, the second slider 22 is located on the second base 12 of the slider, a boss 221 is arranged below the second slider 22, a groove 121 which is the same as the second slider boss 221 in shape and size is cut on the upper surface of the second base 12 of the slider, the second slider boss 221 and the second slider base groove 121 are matched with each other and are in transition fit, a circular hole cavity 222 with a diameter of N is cut inside the second slider 22, the central shaft of the circular hole cavity is identical to the height of the three central shafts of the sub-pieces of the welding assembly, the three thread specifications of the sub-pieces of the welding assembly are M, the parallelism.
As shown in fig. 5, the three bases 13 and the four bases 14 are rectangular solids, the interior of each of the three bases 13 and the four bases 14 is cut into a shape, the size of each of the three bases is equal to that of the three sliding blocks 23, the cross section of each of the four sliding blocks 24 is equal to that of the three sliding blocks 24, the cross section of each of the three sliding blocks 23 and the four sliding blocks 24 is L-shaped, the lower portions of the three sliding blocks 23 and the four sliding blocks 24 are bosses for stopping the first welding assembly component and the third welding assembly component, the three sliding blocks 23 are arranged in the cavities 131 of the three sliding blocks, the four sliding blocks 24 are arranged in the cavities 141 of the four sliding blocks, the three sliding blocks 23 and the four sliding blocks 24 are parallel to each other, the inner planes of the three sliding blocks are tightly attached to the outer ends of the first welding assembly component, the inner planes of the four sliding blocks are tightly attached to the outer ends of the three welding assembly components, the distance.
As shown in fig. 6, a positioning pin hole 132 is formed above the three base 13 of the slider, a positioning pin hole 232 is formed at one end of the three base 13 of the slider, which is close to the three base 13 of the slider, the positioning pin 25 is inserted into the positioning pin hole 132 of the three base of the slider and the positioning pin hole 232 of the four base of the slider, so as to position the sliding stop position of the three base 23 of the slider, a detection hole 233 is formed in one direction of the three base 23 of the slider, the detection pin 26 is inserted into the detection hole 233 of the three base of the slider, the distance between the center of a small circular hole of a sub-part of the welding assembly and the center of two circular holes of the sub-part and the distance between an edge of the sub-part, the allowable error range is ζ.
A detection method of a welded assembly detects the welded assembly by using a welded assembly detection tool, and comprises the following steps:
step 1)
The U-shaped surface of the welding assembly is placed on the base in an upward mode, the round holes of the sub-pieces are sleeved into the positioning pins 16, the first sliding block 21 is pushed to be in contact with the first welding assembly sub-piece after being pressed by the pressing clamp 15, and if the first sub-piece can freely slide in the rectangular cavity 212 of the first sliding block, the welding height and the parallelism of the first welding assembly sub-piece are within the form and position tolerance range of the first welding assembly sub-piece;
step 2)
The second sliding block 22 is pushed to be in contact with the third welding component part, and if the third welding component part can freely slide in the circular hole cavity 222 of the second sliding block, the welding height and the parallelism of the third welding component part are within the form and position tolerance range;
step 3)
Pushing a third slide block 23 to be in contact with a first welding assembly sub-piece, pushing a fourth slide block to be in contact with a third welding assembly sub-piece, wherein two ends of the welding assembly can freely pass through, and the total length of the welding assembly is within an allowable error range;
step 4)
And (3) pushing the second sliding block 22 to be in contact with the first welding component part, inserting the positioning pin 25 into the third sliding block positioning pin hole 132, and then inserting the detection pin 26 into the third sliding block detection hole 233, wherein if the detection pin 26 can smoothly pass through the third sliding block detection hole 233, the product is qualified.
The detection method of the welding assembly is convenient for detecting the welding assembly, and is simple to operate, if the welding assembly meets the following requirements: 1) the total length of the product is welded, the specific requirement of the total length is that the length is 100mm, and the free tolerance is +/-0.7 mm; 2) the linear distance between the small round hole and the big round hole is 35.3mm +/-0.3 mm, and the linear distance between the small round hole and the edge distance is 11 +/-0.3 mm; 3) the parallelism from the square sheet to the bottom surface is 0.3 mm; 4) the parallelism of the bolt to the bottom surface is 0.3mm, and the product is qualified; if the requirements are not met, the product is unqualified, and the detection tool and the detection method provided by the invention have the advantages that the judgment process is simple, the operation is convenient, the operation of workers is facilitated, and the efficiency is improved.
What has been described herein is merely a preferred embodiment of the invention, and the scope of the invention is not limited thereto. Modifications, additions, or substitutions by those skilled in the art to the specific embodiments described herein are intended to be within the scope of the invention.

Claims (8)

1. A welding assembly, comprising: the novel combined type pipe fitting comprises a first sub-part (1), a second sub-part (2) and a third sub-part (3), wherein the first sub-part (1) is sheet-shaped, the second sub-part (2) is of a U-shaped structure, the third sub-part (3) is cylindrical, threads are arranged outside the cylindrical shape, and the second sub-part (2) is arranged between the first sub-part (1) and the third sub-part (3).
2. A weld assembly inspection fixture, wherein the weld assembly inspection fixture is used for inspection of the weld assembly of claim 1,
the method comprises the following steps:
the upper plane of the base (1) is a reference plane of the checking fixture;
the fixing mechanism comprises a pressing clamp (15) and a secondary sub-part positioning pin (16), and is used for positioning and fixing the appearance of the welding part to be detected;
the length detection mechanism for the weldment to be detected comprises a first length detection mechanism and a second length detection mechanism, wherein the first length detection mechanism and the second length detection mechanism are fixed with the base (1) and are arranged in parallel;
the detection mechanism for the welding height and the parallelism of the first sub-part comprises a first sliding block base (11) and a first sliding block (21), wherein the first sliding block base (11) is detachably fixed with the base (1), a sliding groove for the first sliding block (21) to slide along the length direction of the first sliding block base (11) is formed in the first sliding block base (11), and a first sub-part welding height and parallelism detection cavity (211) is formed in the first sliding block (21);
three welding height of sub-spare and depth of parallelism detection mechanism, including two bases of slider (12) and two (22) sliders, two bases of slider (12) can be dismantled fixedly with base (1), are equipped with on two bases of slider (12) and supply two (22) sliders to follow the gliding spout of a slider base (12) length direction, are equipped with three welding height of sub-spare and depth of parallelism detection chamber (222) on two sliders (22).
3. The welding assembly inspection fixture of claim 1,
the pressing clamp (15) and the base (1) are detachably fixed through threads, a fixing part is arranged at the end part of the pressing clamp (15), and the fixing part is used for fixing the second sub-piece;
the positioning pin (16) is detachably arranged in the fixing hole of the base 1, and the positioning pin (16) of the second sub-part is used for positioning the shape of the second sub-part.
4. The welding assembly inspection fixture of claim 1,
the length detection mechanism I comprises a sliding block three-base (13) and a sliding block three (23), a sliding groove for the sliding block three (23) to slide along the width direction of the sliding block three-base (13) is formed in the sliding block three-base (13), the sliding block three (23) is L-shaped, and the end face of the sliding block three (23) is abutted to one end part of the sub-piece;
the length detection mechanism II comprises a four-base slider (14) and a four-base slider (24), a sliding groove for the four-base slider (24) to slide along the width direction of the four-base slider (14) is formed in the four-base slider (14), the four-base slider (24) is L-shaped, and the end face of the four-base slider (24) abuts against the three ends of the sub-part.
The distance from the L-shaped end face of the third sliding block (23) to the L-shaped end face of the fourth sliding block (24) is W, the length of the welding assembly is L, the allowable error range of the total length of the welding assembly is sigma, and W is equal to L + sigma.
5. The welding assembly inspection fixture of claim 4,
the first length detection mechanism further comprises a detection pin (26) and a positioning pin (25), and a through hole for the positioning pin (25) to pass through and a detection hole for the detection pin (26) to pass through are formed in the third sliding block (23);
the diameter size of inspection hole is Q, and a sub-piece round hole diameter is P, and a sub-piece round hole center and a sub-piece two round hole center distance, a sub-piece round hole center and a sub-piece edge distance allowed error range is zeta, satisfies Q ═ P + zeta.
6. The welding assembly inspection fixture of claim 1,
the shape of the first sliding block detection cavity (211) is a rectangular cavity identical to that of the first sub-part, the height of the central shaft of the first sliding block detection cavity (211) is consistent with that of the central shaft of the first sub-part, the height of the detection cavity is A, the thickness of the first sub-part is B, the welding parallelism requirement of the first sub-part is alpha, and A is B + alpha.
7. The welding assembly inspection fixture of claim 1,
the shape of the second sliding block detection cavity (222) is a circular cavity identical to that of the third sub-part, the height of the central shaft of the second sliding block detection cavity (222) is consistent with that of the central shaft of the third sub-part, the diameter of the detection cavity is N, the diameter of the third sub-part is M, the requirement on the parallelism of the third sub-part in welding is beta, and N is equal to M + beta.
8. A welded component detection method, characterized in that the welded component is detected by the welded component detection tool of any one of claims 2 to 7, comprising the following steps:
1) the U-shaped surface of the welding assembly is placed on the base in an upward mode, the round hole of the first sub-part is sleeved into the positioning pin (16), the first sliding block (21) is pushed to be in contact with the first sub-part of the welding assembly after being pressed by the pressing clamp (15), and if the first sub-part can freely slide in the rectangular cavity (212) of the first sliding block, the welding height and the parallelism of the first sub-part of the welding assembly are within the form and position tolerance range of the first sub-part of the welding assembly;
2) and (3) pushing the second sliding block (22) to be in contact with the third welding component sub-piece, wherein if the third sub-piece can freely slide in the circular hole cavity (222) of the second sliding block, the welding height and the parallelism of the third welding component sub-piece are within the form and position tolerance range.
3) And pushing a third slide block (23) to be in contact with a first welding assembly sub-piece, pushing a fourth slide block to be in contact with a third welding assembly sub-piece, wherein two ends of the welding assembly can freely pass through, and the total length of the welding assembly is within the allowable error range.
4) And pushing the second sliding block (22) to be in contact with the first welding assembly sub-part, inserting the positioning pin (25) into the third sliding block positioning pin hole (132), inserting the detection pin (26) into the third sliding block detection hole (233), and if the detection pin (26) can smoothly pass through the third sliding block detection hole (233), indicating that the size is within the tolerance range and the product is qualified.
CN202010341166.5A 2020-04-27 2020-04-27 Welding assembly, welding assembly detection tool and detection method of welding assembly Pending CN111595221A (en)

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CN204043574U (en) * 2014-09-16 2014-12-24 杭州保利电梯导轨制造有限公司 Cage guide mounting hole testing tool
CN204757855U (en) * 2015-06-17 2015-11-11 宁波中桥精密机械有限公司 Automobile shock absorber ware multimetering detection tool
CN204854661U (en) * 2015-08-03 2015-12-09 青岛金铄机电设计有限公司 Refrigerator hinge detects frock
CN210004903U (en) * 2019-06-12 2020-01-31 昆山合力泰汽车检具有限公司 Automobile-used cooling module assembly examines utensil

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Application publication date: 20200828