Fixture for accurately measuring angles of automobile parts

Abstract

The utility model discloses a clamp for accurately measuring the angle of an automobile part, which comprises a clamp body, the clamp body is fixedly mounted on the surface of a part measuring table, a contourgraph is fixedly mounted on the right upper side of the part measuring table, and a detection rod is mounted at the bottom of the contourgraph. One end, far away from the contourgraph, of the detection rod is fixedly connected with the probe; the clamp body comprises a positioning table, a center groove is formed in the middle of the positioning table, meanwhile, a right inclined face is arranged on one side of the center groove, a left inclined face is arranged on the other side of the center groove, the automobile part is placed on the surface of the left inclined face, and the automobile part on the left inclined face is clamped and fixed through a clamping assembly. According to the clamp for accurately measuring the angle of the automobile part, the rotating wheel is rotated to enable the clamping seat to move downwards, and clamping work of the automobile part is completed by reducing the distance between the positioning groove and the stress opening.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts detection, in particular to a fixture used for accurately measuring the angle of automobile parts. Background Art

[0002] The working principle of the profilometer is mainly to obtain relevant size and geometric feature information by measuring the surface contour shape of the object; it usually adopts a variety of measurement techniques. The following are some common working principles:

[0003] Mechanical contact measurement: Use a probe or stylus to contact the surface of the object being measured. As the object moves, the probe will record the contour shape of the surface. This method is suitable for harder surfaces, but may cause a certain amount of pressure on soft materials.

[0004] Optical non-contact measurement: Using optical principles, such as laser scanning, structured light projection, etc., to scan or image the surface of an object, and then obtain contour data through image processing and analysis; this method is suitable for surface measurement of various materials and can avoid contact and damage to the object;

[0005] Inductive measurement: Use an inductive sensor to detect the distance change between the surface of the object and the sensor to obtain contour information; this method has a better measurement effect on metal materials;

[0006] Laser triangulation: Utilizes laser beam to illuminate the surface of an object, and calculates the contour shape of the object by detecting the position and angle change of the reflected light; this method has high measurement accuracy and speed;

[0007] The specific working principle of the profile measuring instrument will vary according to different instrument designs and application requirements; in practical applications, the measured profile data can also be further processed and evaluated in combination with data processing and analysis software to meet different measurement requirements and purposes;

[0008] When measuring the R angle and angle of automobile parts, a contour measuring instrument is needed for measurement. The specific method is: the automobile parts are placed on the workbench, and the single-section probe on the contour measuring instrument is used to move on the surface of the automobile parts, and the analysis software is used for analysis.

[0009] When automobile parts are on the workbench and the single-section probe moves on the surface of the automobile parts, the automobile parts are prone to shake, which often leads to detection failures. Utility Model Content

[0010] The purpose of the utility model is to provide a fixture for accurately measuring the angle of automobile parts, so as to solve the defects mentioned in the above background technology.

[0011] In order to achieve the above object, a fixture for accurately measuring the angle of automobile parts is provided, comprising a fixture body, wherein the fixture body is fixedly mounted on the surface of a part measuring platform, and a profilometer is fixedly mounted on the upper right side of the part measuring platform, and a detection rod is installed at the bottom of the profilometer, and an end of the detection rod away from the profilometer is fixedly connected to a measuring needle;

[0012] The fixture body includes a positioning platform, and a central groove is provided in the middle of the positioning platform, and a right inclined surface is provided on one side of the central groove, and a left inclined surface is provided on the other side of the central groove, and the automobile parts are placed on the surface of the left inclined surface, and the automobile parts on the left inclined surface are clamped and fixed by a clamping assembly;

[0013] The clamping assembly includes a fixing platform, and a screw hole is provided in the middle of the fixing platform. A screw is screwed to the middle of the fixing platform, and one end of the screw is movably connected to the clamp seat, and the end of the screw away from the clamp seat is fixedly connected to the rotating wheel.

[0014] Preferably, the clamp body is a rectangular structure made of metal material, and the right bevel and the left bevel on the clamp body are symmetrical structures about the central groove, and the right bevel is inclined at 40°.

[0015] Preferably, a positioning groove is provided on the lower side of the surface of the right inclined surface, and the positioning groove is adapted to the size of the automobile part, and the bottom of the automobile part is inserted into the interior of the positioning groove.

[0016] Preferably, the automobile part is fixed on the surface of the positioning platform at one end by a positioning groove, and is clamped and fixed at the other end by a clamping seat.

[0017] Preferably, a fixed mounting frame is welded to the bottom of the fixing platform, and the bottom of the mounting frame is screwed and fixed to the support seat, and the support seat is screwed to the left side surface of the positioning platform.

[0018] Preferably, the clamp seat is made of plastic material and has a semicircular cross-section, and two sets of guide rods are installed on the back of the clamp seat. The two sets of guide rods are respectively inserted into two sets of guide holes opened on the fixed platform. A force-bearing opening is opened at the bottom of the clamp seat, and side openings are set on both sides of the force-bearing opening. At the same time, the force-bearing opening is clamped on the outside of the automobile part.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The rotating wheel is rotated to make the clamp seat move downward, and the clamping work of the automobile parts is completed by reducing the distance between the positioning groove and the force-bearing opening.

[0021] The automobile parts are fixed on the positioning table by clamping components. When the automobile parts are being inspected, they will not shake or move, ensuring the stability and reliability of the profilometer's inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the structural fixture body of the utility model;

[0024] Figure 3 The utility model structure Figure 2 Schematic diagram of releasing automobile parts;

[0025] Figure 4 This is a schematic diagram of the structure of the structural positioning platform of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the clamp seat of the utility model.

[0027] Numbers in the figure: 1. Parts measuring table; 2. Fixture body; 21. Clamping assembly; 210. Force port; 211. Support seat; 212. Mounting frame; 213. Fixing table; 214. Screw; 215. Rotating wheel; 216. Guide rod; 217. Guide hole; 218. Clamp seat; 219. Side opening; 22. Positioning table; 23. Right inclined surface; 24. Positioning groove; 25. Center groove; 26. Left inclined surface; 3. Contour meter; 4. Detection rod; 5. Probe; 6. Auto parts. DETAILED DESCRIPTION

[0028] See also Figure 1-5 The utility model provides a fixture for accurately measuring the angle of automobile parts, including a fixture body 2, the fixture body 2 is fixedly mounted on the surface of a part measuring platform 1, and a profiler 3 is fixedly mounted on the upper right side of the part measuring platform 1, and a detection rod 4 is installed at the bottom of the profiler 3, and the end of the detection rod 4 away from the profiler 3 is fixedly connected to a measuring needle 5;

[0029] The fixture body 2 includes a positioning platform 22, and a central groove 25 is provided in the middle of the positioning platform 22. A right inclined surface 23 is provided on one side of the central groove 25, and a left inclined surface 26 is provided on the other side of the central groove 25. The automobile part 6 is placed on the surface of the left inclined surface 26, and the automobile part 6 on the left inclined surface 26 is clamped and fixed by the clamping assembly 21.

[0030] The clamping assembly 21 includes a fixing platform 213 , and a screw hole is opened in the middle of the fixing platform 213 . A screw rod 214 is screwed to the middle of the fixing platform 213 , and one end of the screw rod 214 is movably connected to the clamp seat 218 , and the end of the screw rod 214 away from the clamp seat 218 is fixedly connected to the rotating wheel 215 .

[0031] Working principle: First, fix the automobile part 6 on the positioning table 22 through the clamping assembly 21, start the switch of the profiler 3, and the probe 5 on the profiler 3 moves on the surface of the automobile part 6 to detect the R angle and angle of the automobile part 6; the profiler 3 can realize accurate measurement of the angle of the automobile part 6;

[0032] The automobile part 6 is fixed on the positioning platform 22 by the clamping assembly 21 . When the automobile part 6 is being inspected, it will not shake or move, thus ensuring the stability and reliability of the profilometer 3 in inspecting it.

[0033] As a preferred embodiment, the clamp body 2 is a rectangular structure made of metal material, and the right bevel 23 and the left bevel 26 on the clamp body 2 are symmetrical structures about the central groove 25, and the right bevel 23 is inclined at 40°.

[0034] like Figure 1-4 As shown, a positioning groove 24 is provided on the lower side of the surface of the right inclined surface 23 , and the positioning groove 24 is adapted to the size of the automobile part 6 , and the bottom of the automobile part 6 is inserted into the interior of the positioning groove 24 .

[0035] A positioning groove 24 is provided on the lower side of the surface of the right inclined surface 23, and a force-bearing opening 210 is arranged opposite to the positioning groove 24. The positioning groove 24 clamps one side of the automobile part 6, and the force-bearing opening 210 clamps the other side of the automobile part 6, thereby ensuring the stability of the automobile part 6 when being tested.

[0036] As a preferred embodiment, the automobile part 6 is fixed on the surface of the positioning platform 22 at one end by the positioning groove 24 and is clamped and fixed at the other end by the clamping seat 218 .

[0037] The fixing bracket 212 is welded to the bottom of the fixing platform 213 , and the bottom of the fixing bracket 212 is screwed and fixed to the supporting seat 211 . Meanwhile, the supporting seat 211 is screwed to the left side surface of the positioning platform 22 .

[0038] The bottom of the automobile part 6 is clamped in the positioning groove 24, and the rotating wheel 215 is rotated to make the clamping seat 218 move downward. By reducing the distance between the positioning groove 24 and the force-bearing opening 210, the clamping work of the automobile part 6 is completed.

[0039] As a preferred embodiment, the clamp seat 218 is made of plastic material and has a semicircular cross-section. Two sets of guide rods 216 are installed on the back of the clamp seat 218. At the same time, the two sets of guide rods 216 are respectively inserted into the two sets of guide holes 217 opened on the fixed platform 213. A force-bearing opening 210 is opened at the bottom of the clamp seat 218, and side openings 219 are set on both sides of the force-bearing opening 210. At the same time, the force-bearing opening 210 is clamped on the outside of the automobile part 6.

[0040] When the clamp seat 218 is moving, the two sets of guide rods 216 thereon are respectively inserted into the two sets of guide holes 217 opened on the fixed platform 213, which can limit and guide the clamp seat 218 during movement, thereby ensuring the stability of the clamp seat 218 during movement.

Claims

1. A fixture for accurately measuring the angle of automobile parts, comprising a fixture body (2), characterized in that: The fixture body (2) is fixedly mounted on the surface of the component measuring platform (1), and a profilometer (3) is fixedly mounted on the upper right side of the component measuring platform (1), while a detection rod (4) is mounted on the bottom of the profilometer (3), and an end of the detection rod (4) away from the profilometer (3) is fixedly connected to a measuring needle (5); The fixture body (2) comprises a positioning platform (22), and a central groove (25) is provided in the middle of the positioning platform (22), a right inclined surface (23) is provided on one side of the central groove (25), and a left inclined surface (26) is provided on the other side of the central groove (25), an automobile part (6) is placed on the surface of the left inclined surface (26), and the automobile part (6) on the left inclined surface (26) is clamped and fixed by a clamping assembly (21); The clamping assembly (21) comprises a fixing platform (213), and a screw hole is provided in the middle of the fixing platform (213). A screw rod (214) is screwed in the middle of the fixing platform (213), and one end of the screw rod (214) is movably connected to a clamping seat (218), and one end of the screw rod (214) away from the clamping seat (218) is fixedly connected to a rotating wheel (215).

2. A fixture for accurately measuring the angle of automobile parts according to claim 1, characterized in that: The clamp body (2) is a rectangular structure made of metal material, and the right bevel (23) and the left bevel (26) on the clamp body (2) are symmetrical structures with respect to the central groove (25), and the right bevel (23) is inclined at 40 degrees.

3. The fixture for accurately measuring the angle of automobile parts according to claim 1, characterized in that: A positioning groove (24) is provided on the lower side of the surface of the right inclined surface (23), and the positioning groove (24) is adapted to the size of the automobile part (6), and the bottom of the automobile part (6) is inserted into the interior of the positioning groove (24).

4. The fixture for accurately measuring the angle of automobile parts according to claim 1, characterized in that: The automobile part (6) is fixed on the surface of the positioning platform (22) at one end through a positioning groove (24), and is clamped and fixed at the other end through a clamping seat (218).

5. The fixture for accurately measuring the angle of automobile parts according to claim 1, characterized in that: The fixing platform (213) has a fixing mounting frame (212) welded to the bottom thereof, and the bottom of the mounting frame (212) is screwed and fixed to the supporting seat (211), while the supporting seat (211) is screwed to the left side surface of the positioning platform (22).

6. A fixture for accurately measuring the angle of automobile parts according to claim 1, characterized in that: The clamping seat (218) is made of plastic material and has a semicircular cross-section. Two groups of guide rods (216) are installed on the back of the clamping seat (218). The two groups of guide rods (216) are respectively inserted into two groups of guide holes (217) opened on the fixing platform (213). A force-bearing opening (210) is opened at the bottom of the clamping seat (218), and side openings (219) are arranged on both sides of the force-bearing opening (210). The force-bearing opening (210) is clamped on the outer side of the automobile part (6).

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