Self-locking testing fixture

By using the multi-angle positioning and locking technology of the self-locking gauge, the problem of shaking caused by the lack of fixation of castings during the inspection process is solved, ensuring inspection accuracy and equipment life, and improving product quality and customer satisfaction.

CN223947747UActive Publication Date: 2026-02-27JIAXING HONGFENG MACHINERY
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Patent Information

Application Number
CN202520596235.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-27
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

During the inspection of castings, if the castings are not effectively secured, gaps may exist between them and the inspection equipment. Even slight shaking may damage the equipment and the castings, affecting the accuracy and quality of the inspection.

Method used

A self-locking inspection fixture was designed, comprising a base, a limiting block, a limiting plate, a secondary top block, a main top block, a constraint block, a frame, a first locking mechanism, and a second locking mechanism, to achieve multi-angle positioning and locking, ensuring that the casting remains stable during the inspection process.

Benefits of technology

It enables precise multi-angle positioning of castings, eliminates wobble gaps, improves inspection accuracy, protects inspection equipment, extends tool life, reduces maintenance costs, and enhances product quality and customer satisfaction.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223947747U_ABST
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Abstract

The utility model provides a self-locking detection tool, which belongs to the technical field of automobile casting detection positioning tools and comprises a base, two limiting blocks are arranged on the base, a casting is arranged between the two limiting blocks, and first locking mechanisms are arranged on two sides of the upper surface of the base. Two first locking mechanisms are arranged on the base, the two first locking mechanisms respectively limit protruding parts on the two sides of a casting part, a rack is further arranged on the base, a second locking mechanism is arranged on the rack, and the second locking mechanism presses the upper side of the casting part. Any shaking gap of the product in the detection process can be practically eliminated through accurate multi-angle positioning and locking, the detection accuracy is greatly improved, the detection tool is effectively protected, abrasion caused by shaking and collision of the product is avoided, and the service life of the detection tool is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of automobile casting detection positioning tool, concretely is a self locking gauge. BACKGROUND

[0002] Automobile casting refers to various parts for automobile produced through casting process, covering each system of automobile, casting is the process method that obtains certain shape and performance casting by pouring liquid metal into casting cavity, waiting for its cooling and solidification, the production of automobile casting generally includes die design and manufacture, modeling, smelting, pouring, cleaning, heat treatment and machining etc.

[0003] After the forming of the casting, the casting needs to be locked and positioned first, and then detected, the locking and positioning can make the casting keep fixed position and posture in the detection process, avoid displacement or shaking due to external force touching, vibration and other factors, which is crucial for accurately measuring the size, shape of the casting and detecting the surface quality, in the current detection process, especially when using some large or precise detection equipment, sometimes the casting is not fixed well, so that there is a certain gap between the casting and the locking tool, slight shaking, so in the process of equipment movement or detection probe movement, the collision between the casting and the equipment may occur, increasing the wear of the detection equipment, which not only damages the probe, sensor and other precise parts of the detection equipment, but also may cause secondary damage to the casting, affecting its subsequent use performance and quality. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme is aimed at the technical problem that the prior art solution is too single, provides the solution significantly different from the prior art, specifically the utility model mainly provides a self locking gauge to solve the technical problem that the casting is not fixed well in the current detection process, so that there is a certain gap between the casting and the locking tool, slight shaking.

[0005] The utility model solves the above technical problem by adopting the technical scheme that:

[0006] The utility model provides a self -locking gauge, including the base, be provided with two limit piece on the base, be provided with foundry piece between two limit piece, the both sides position of base upper surface is provided with first locking mechanism, every first locking mechanism includes two parallel distribution's slide rail, every slide rail is connected with the sliding block, the common setting of two sliding blocks is moving board, be provided with locking block on the moving board, the through -hole of two locking blocks respectively inserts the convex portion of foundry piece both sides, carries out the limit, still be provided with the rack on the base, be provided with second locking mechanism on the rack, and second locking mechanism compresses the upside of foundry piece.

[0007] Further, the second locking mechanism includes a mounting bracket, two connecting plates are hingedly connected to the mounting bracket, and a handle is arranged between the two connecting plates.

[0008] Further, the mounting bracket and the rack are connected by bolts.

[0009] Further, a limiting plate is arranged between the two limit pieces, the limiting plate is located on the base, and one side of the foundry piece abuts against the limiting plate.

[0010] Further, three auxiliary jacks are further arranged on the base, a main jack is arranged at the middle position of the three auxiliary jacks, the main jack is engaged with the opening in the middle of the foundry piece, and the three auxiliary jacks abut against the foundry piece at three directions on the lower side.

[0011] Further, two constraint blocks are arranged on the side close to the main jack, and the two constraint blocks limit the lower side of the convex portion of the foundry piece.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The base, the limit piece, the limiting plate, the auxiliary jack, the main jack, the constraint block, the rack, the first locking mechanism and the second locking mechanism are arranged, multi-angle positioning and locking technology is used in the process of detecting the foundry piece, the foundry piece is accurately positioned at multiple angles, the foundry piece is stable during detection, the shaking gap is completely eliminated, the size measurement and the shape and position tolerance evaluation result are accurate and reliable, the quality judgment is consolidated, at the same time, stable locking avoids the collision and abrasion of the foundry piece and the gauge, prolongs the service life of the gauge, reduces the maintenance cost, solves the customer complaints caused by inaccurate gauges, guarantees the delivery quality, improves customer satisfaction, helps the production and detection of foundry pieces to move towards high-quality development, and strengthens the competitiveness of enterprises.

[0014] The utility model will be explained in detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the whole structure exploded schematic view of the utility model;

[0017] Figure 3 It is the base structure schematic view of the utility model;

[0018] Figure 4 It is the second locking mechanism exploded schematic view of the utility model;

[0019] Figure 5 It is the casting structure schematic view of the utility model.

[0020] In the drawing: 1, base; 11, limiting block; 12, limiting plate; 13, vice top block; 14, main top block; 15, constraint block; 16, rack; 2, first locking mechanism; 21, slide rail; 22, sliding block; 23, moving plate; 24, locking block; 3, second locking mechanism; 31, mounting frame; 32, connecting sheet; 33, handle; 34, connecting frame; 35, compression head; 4, casting. DETAILED DESCRIPTION

[0021] In order to facilitate understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings, the drawings show several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terms used in the specification of the utility model herein are for the purpose of describing specific embodiments, and are not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] Please refer to the drawings Figures 1-5The utility model provides a self locking gauge, including base 1, be provided with two limit piece 11 on base 1, be provided with foundry piece 4 between two limit piece 11, the both sides position of base 1 upper surface is provided with first locking mechanism 2, each first locking mechanism 2 includes two parallel distribution slide rail 21, each slide rail 21 is slidably connected with sliding block 22, two sliding blocks 22 are commonly provided with moving plate 23, moving plate 23 is provided with locking block 24, the through -hole of two locking blocks 24 is inserted to the protruding portion of foundry piece 4 both sides respectively, and the limit is carried out, still be provided with rack 16 on base 1, be provided with second locking mechanism 3 on rack 16, and second locking mechanism 3 is pressed to the upper side of foundry piece 4.

[0025] Through the above structure, realize before foundry piece 4 detection, adopt multi -angle positioning locking technology, bring many significant advantages for product detection link, on the one hand, accurate multi -angle positioning locking can practically eliminate any wobble clearance of product in the detection process, makes it when measuring thread silk unmoved, as if being firmly inlayed in accurate mould, greatly improve the accuracy of detection, let size measurement, shape and position tolerance evaluation etc. Result is highly close to product real state, provides solid basis for product quality determination, on the other hand, stable locking state not only effectively protects the gauge, avoids the abrasion caused by product wobble, collision, prolongs the service life of gauge, reduces the maintenance cost of gauge, also solves the customer complaint problem caused by inaccurate gauge measurement from the root, guarantees product delivery quality, improves customer satisfaction, enhances enterprise market competitiveness, builds solid foundation for the efficient cooperation of foundry piece 4 production and detection process and high-quality development.

[0026] Specific operation is as follows, first, the foundry piece 4 to be detected is placed between two limit piece 11, at this time, foundry piece 4 is located on the upper side of auxiliary top block 13 and main top block 14, cooperates, limit plate 12 and constraint block 15 limit the front and back of foundry piece 4, then push locking block 24, and locking block 24 is inserted into the protruding portion on both sides of foundry piece 4 along the direction of slide rail 21, then press down handle 33, handle 33 drives pressing head 35 to press on the upper side of foundry piece 4 through connecting frame 34, and limit is carried out.

[0027] Please refer to the accompanying drawings Figure 2 and the accompanying drawings Figure 3The limiting plate 12 is located on the base 1, and one side of the casting part 4 abuts against the limiting plate 12, and through the limiting plate 12, the one side of the casting part 4 is limited, three sub-jacks 13 are further arranged on the base 1, a main jack 14 is arranged at the middle position of the three sub-jacks 13, the main jack 14 is combined with the middle opening of the casting part 4, the three sub-jacks 13 abut against the three directions of the lower side of the casting part 4, through the cooperation between the sub-jacks 13 and the main jack 14, the lower side of the casting part 4 is limited, two constraint blocks 15 are arranged on the side close to the main jack 14, and the two constraint blocks 15 limit the lower side of the convex part of the casting part 4 respectively, through the constraint blocks 15, the other side of the casting part 4 is constrained.

[0028] Please refer to the accompanying drawings Figure 3 and the accompanying drawings Figure 4 The second locking mechanism 3 comprises a mounting frame 31, two connecting plates 32 are hinged on the mounting frame 31, a handle 33 is arranged between the two connecting plates 32, a connecting frame 34 is arranged at the front end of the handle 33, a pressing head 35 is arranged on the connecting frame 34, through the second locking mechanism 3, the upper side of the casting part 4 is pressed, and through the cooperation with the jacks, the casting part 4 is prevented from shaking up and down, the mounting frame 31 and the rack 16 are connected through bolts, and assembly and disassembly are facilitated.

[0029] The above-mentioned utility model is described by way of example in combination with the drawings, and obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as the method concept and technical scheme of the utility model are adopted for such non-essential improvement, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, and all fall within the protection scope of the utility model.

Claims

1. A self-locking inspection fixture, comprising a base (1), wherein two limiting blocks (11) are disposed on the base (1), and a casting (4) is disposed between the two limiting blocks (11), characterized in that, The base (1) has a first locking mechanism (2) on both sides of its upper surface. Each first locking mechanism (2) includes two parallel slide rails (21). Each slide rail (21) is slidably connected to a slider (22). The two sliders (22) are provided with a moving plate (23). The moving plate (23) is provided with a locking block (24). The through holes on the two locking blocks (24) are respectively inserted into the protrusions on both sides of the casting (4) for limiting. The base (1) is also provided with a frame (16). The frame (16) is provided with a second locking mechanism (3). The second locking mechanism (3) presses the upper side of the casting (4).

2. The self-locking inspection fixture according to claim 1, characterized in that, The second locking mechanism (3) includes a mounting bracket (31), on which two connecting pieces (32) are hinged, and a handle (33) is provided between the two connecting pieces (32). A connecting bracket (34) is provided at the front end of the handle (33), and a pressing head (35) is provided on the connecting bracket (34).

3. A self-locking inspection fixture according to claim 2, characterized in that, The mounting bracket (31) and the stand (16) are connected by bolts.

4. A self-locking inspection fixture according to claim 1, characterized in that, A limiting plate (12) is provided between the two limiting blocks (11), the limiting plate (12) is located on the base (1), and one side of the casting (4) abuts against the limiting plate (12).

5. A self-locking inspection fixture according to claim 4, characterized in that, The base (1) is also provided with three secondary top blocks (13), and a main top block (14) is provided in the middle of the three secondary top blocks (13). The main top block (14) fits into the opening in the middle of the casting (4), and the three secondary top blocks (13) abut against the casting (4) in three directions on the lower side.

6. A self-locking inspection fixture according to claim 5, characterized in that, Two constraint blocks (15) are provided near the main top block (14), and the two constraint blocks (15) respectively define the lower side of the protrusion of the casting (4).