Positioning gauge

Abstract

The utility model discloses a positioning detection tool, and belongs to the technical field of detection tools. A positioning gauge comprises a detection bench, and also comprises a pedestal fixedly connected to the detection bench, and the pedestal is provided with a first adsorption member; the mold core is rotatably connected to the base, the top of the mold core is used for placing a to-be-tested piece, at least two groups of second adsorption pieces are arranged on the binding surface of the mold core and the base, the second adsorption pieces are matched with the first adsorption pieces, and when the mold core is rotated, the multiple groups of second adsorption pieces can be respectively attracted with the first adsorption pieces; when the device is used for detecting the piece to be detected, the position of the detection end, corresponding to the detector, of the piece to be detected can be changed by freely rotating the mold core, rapid and automatic angle positioning is achieved through automatic suction of the second suction pieces and the first suction piece, manual precision adjustment is not needed, and the device is simple in structure, convenient to operate and high in detection precision.

Description

Technical Field

[0001] The utility model relates to the technical field of detection tooling, in particular to a positioning inspection tool. Background Art

[0002] Angle positioning gauge is a precision measuring tool, which is mainly used to perform multi-angle and all-round precision inspection on various workpieces to ensure that their size, shape, position and other parameters meet the design requirements and quality standards. This type of gauge is widely used in the manufacturing industry, especially in the fields of automotive parts, aerospace parts, precision machinery, electronic equipment, etc. It plays a vital role. Usually, in order to ensure the quality of the workpiece, it is necessary to inspect multiple positions of the workpiece.

[0003] In the prior art, the multi-position detection fixtures are mostly manually operated, relying on visual inspection to find the correct position, which increases the labor intensity of personnel, reduces work efficiency, and has poor precision control. Of course, there are also visual inspections using automated lasers or CCD cameras, but their use costs are high and are not conducive to popularization and use. For this reason, we propose a positioning fixture with a simple mechanical structure and manual operation. Utility Model Content

[0004] The utility model aims to solve the problems of poor manual control precision and inconvenience in use of multi-position detection inspection tools in the prior art, and proposes a positioning inspection tool.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A positioning inspection tool includes a testing platform, and also includes: a base fixedly connected to the testing platform, on which a first adsorption component is arranged; a mold core rotatably connected to the base, and the top of the mold core is used to place a workpiece to be tested, wherein a second adsorption component is arranged on the fitting surface of the mold core and the base, and at least two groups of the second adsorption components are arranged, and the second adsorption components cooperate with the first adsorption components. When the mold core is rotated, multiple groups of second adsorption components can be attracted to the first adsorption components respectively.

[0007] In order to ensure the accuracy of adsorption of the adsorbent, preferably, the second adsorbent is distributed in a circle around the center line of the mold core on the fitting surface of the mold core and the base, and the first adsorbent and the second adsorbent are at the same distance from the center of the mold core.

[0008] Furthermore, the second adsorption members are provided in three groups, and the three groups of the second adsorption members are arranged at intervals.

[0009] Furthermore, the angle between two adjacent groups of second adsorption components is less than or equal to 90°.

[0010] Preferably, the first adsorption member and the second adsorption member are both ferromagnetic columnar blocks.

[0011] Furthermore, the base and the mold core are both provided with mounting holes, and the first adsorption component and the second adsorption component are both embedded in the mounting holes.

[0012] In order to improve the rotation smoothness of angle switching, preferably, a bearing is also included, a positioning hole is opened on the base, the outer ring of the bearing is interference fit with the circumferential surface of the positioning hole, and the inner ring of the bearing is fixedly connected to the mold core by screws.

[0013] In order to ensure the detection accuracy, preferably, the detection platform includes a base for mounting the pedestal, the base is equipped with a detection arm, the detection arm is equipped with a detector, and the detector is arranged above the mold core.

[0014] Furthermore, a clamping block is mounted on the free end of the detection arm via screws, and the detector is fixedly connected to the free end of the detection arm via the clamping block.

[0015] Furthermore, a through hole is provided on the top of the detection arm, and a screw passes through the through hole to mount the detection arm on the base.

[0016] Compared with the prior art, the utility model provides a positioning fixture, which has the following beneficial effects:

[0017] 1. When inspecting the workpiece to be tested, the positioning fixture can freely rotate the mold core to change the detection end position of the workpiece to be tested corresponding to the detector. Multiple second adsorption parts are automatically attracted to a first adsorption part to achieve fast and automatic angle positioning. There is no need to manually adjust the accuracy. It has a simple structure, convenient operation and high detection accuracy.

[0018] 2. The positioning fixture is distributed on the fitting surface of the mold core and the base in a circular manner around the center line of the mold core through the second adsorption member, and the first adsorption member and the second adsorption member are at the same distance from the center of the mold core, thereby ensuring that the two groups of adsorption members can be adsorbed quickly and accurately, thereby improving the accuracy of the detection position;

[0019] 3. The positioning fixture has mounting holes on the base and the mold core, and the first adsorption member and the second adsorption member are embedded in the mounting holes, thereby ensuring the installation position accuracy of the two sets of adsorption members and preventing misalignment, and further ensuring the rapid and accurate angle switching;

[0020] 4. The positioning fixture has a positioning hole on the base, the outer ring of the bearing is interference fit with the circumferential surface of the positioning hole, and the inner ring of the bearing is fixedly connected to the mold core by screws, so that the mold core can rotate freely relative to the base to achieve rapid angle switching. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a positioning fixture proposed by the utility model Figure 1 ;

[0022] Figure 2 This is a structural schematic diagram of a positioning inspection tool core proposed by the utility model;

[0023] Figure 3 A schematic diagram of the structure of a positioning fixture proposed by the utility model Figure 2 ;

[0024] Figure 4 A positioning inspection tool proposed by the utility model Figure 3 Schematic diagram of the structure of part A;

[0025] Figure 5 The utility model is a structural schematic diagram of a positioning inspection fixture inspection platform.

[0026] In the figure: 1. base; 2. mold core; 3. bearing; 4. cylindrical block; 5. positioning platform; 6. mounting hole; 7. screw; 8. positioning hole; 9. base; 10. detection arm; 11. clamping block; 12. through hole; 13. detector. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] Embodiment 1:

[0030] Reference Figure 1-Figure 5A positioning inspection fixture includes a detection table for basic support, the detection table has a flat base 9 for installing a base 1, which can be placed on a desktop, and an "L"-shaped detection arm 10 is installed on one side of the base 9. Specifically, a through hole 12 running through the long side is opened on the top of the detection arm 10, and two screws pass through the through hole 12 to fix the long side of the detection arm 10 on the base 9, mainly to hide the screws. In addition, a clamping block 11 is installed at the free end of the detection arm 10 by screws, and a detector 13 is fixedly connected to the free end of the detection arm 10 by the clamping block 11. The detection end of the detector 13 is located above the mold core 2, so as to detect the workpiece to be tested on the top of the mold core 2.

[0031] When it is necessary to rotate the angle of the test piece to switch the detection position, it can be achieved through the following structure. Specifically, a first adsorption component is arranged on the base 1; the core 2 can rotate freely 360° on the base 1, and a positioning platform 5 is integrally formed on the top of the core 2. The test piece can be placed and clamped on the positioning platform 5, and multi-angle detection can be achieved by rotating the core 2. A second adsorption component is arranged on the fitting surface of the core 2 and the base 1. At least two groups of the second adsorption components are arranged, that is, at least two angular positions of the test piece can be detected, and the second adsorption component cooperates with the first adsorption component. When the core 2 is rotated, multiple groups of second adsorption components can be respectively attracted to the first adsorption component.

[0032] In the above structural design, when the workpiece to be tested is being inspected, the mold core 2 can be freely rotated to change the detection end position of the workpiece to be tested corresponding to the detector 13, and multiple second adsorption parts are automatically attracted to a first adsorption part to achieve fast and automatic angle positioning. There is no need for manual adjustment of accuracy, and the structure is simple, the operation is convenient, and the detection accuracy is high.

[0033] Embodiment 2:

[0034] Reference Figure 1-Figure 5 , which is basically the same as Example 1, and further, the second adsorption component is distributed in a circle around the center line of the core 2 on the fitting surface of the core 2 and the base 1, and the first adsorption component and the second adsorption component are at the same distance from the center of the core 2, thereby ensuring that the two groups of adsorption components can be adsorbed quickly and accurately, thereby improving the accuracy of the detection position.

[0035] Reference Figure 2 The second adsorption members are preferably arranged in three groups here, and the angle between two adjacent groups of adsorption members is less than or equal to 90°. The three groups of adsorption members here are preferably 30° and 90°, so as to better adapt to the inspection items of the test piece while ensuring multi-angle detection.

[0036] Here, the first adsorption member and the second adsorption member are designed as columnar blocks 4, and the material thereof is ferromagnetic material, such as iron-nickel alloy and neodymium-iron-boron, etc., which can achieve effective adsorption and positioning.

[0037] The columnar block 4 is installed by opening mounting holes 6 on the base 1 and the core 2, and the first adsorption component and the second adsorption component are embedded in the mounting holes 6, thereby ensuring the installation position accuracy of the two groups of adsorption components and preventing misalignment, and further ensuring the rapid and accurate angle switching.

[0038] The rotation method between the core 2 and the base 1 mainly adopts the bearing 3. Specifically, a positioning hole 8 is opened on the base 1, and the outer ring of the bearing 3 is interference fit with the circumferential surface of the positioning hole 8. The inner ring of the bearing 3 is fixedly connected to the core 2 by screws 7, so that the core 2 can rotate freely relative to the base 1 to achieve rapid angle switching.

[0039] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A positioning fixture, comprising a testing platform, characterized in that: Also includes: A base (1) fixedly connected to the detection table, wherein a first adsorption member is provided on the base (1); The mold core (2) connected to the base (1) is rotated, and the top of the mold core (2) is used to place the test piece. The mating surfaces of the mold core (2) and the base (1) are provided with second adsorption parts, and at least two groups of the second adsorption parts are provided, and the second adsorption parts correspond to the first adsorption parts. When the mold core (2) is rotated, the multiple groups of second adsorption parts can be attracted to the first adsorption parts respectively.

2. A positioning fixture according to claim 1, characterized in that: The second adsorption component is distributed in a circle around the center line of the mold core (2) on the fitting surface between the mold core (2) and the base (1), and the first adsorption component and the second adsorption component are at the same distance from the center of the mold core (2).

3. A positioning fixture according to claim 1 or 2, characterized in that: The second adsorption members are provided in three groups, and the three groups of the second adsorption members are arranged at intervals.

4. A positioning fixture according to claim 3, characterized in that: The angle between two adjacent groups of second adsorption members is less than or equal to 90°.

5. A positioning fixture according to claim 1, characterized in that: The first adsorption member and the second adsorption member are both ferromagnetic columnar blocks (4).

6. A positioning fixture according to claim 5, characterized in that: The base (1) and the mold core (2) are both provided with mounting holes (6), and the first adsorption component and the second adsorption component are both embedded in the mounting holes (6).

7. A positioning fixture according to claim 1, characterized in that: It also includes a bearing (3), a positioning hole (8) is opened on the base (1), the outer ring of the bearing (3) is interference fit with the circumferential surface of the positioning hole (8), and the inner ring of the bearing (3) is fixedly connected to the mold core (2) by screws (7).

8. A positioning fixture according to claim 1, characterized in that: The detection platform comprises a base (9) for mounting a pedestal (1), the base (9) being mounted with a detection arm (10), the detection arm (10) being mounted with a detector (13), and the detector (13) being arranged above the mold core (2).

9. A positioning fixture according to claim 8, characterized in that: The free end of the detection arm (10) is mounted with a clamping block (11) via screws, and the detector (13) is fixedly connected to the free end of the detection arm (10) via the clamping block (11).

10. A positioning fixture according to claim 9, characterized in that: A through hole (12) is provided at the top of the detection arm (10), and a screw passes through the through hole (12) to mount the detection arm (10) on the base (9).

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