Casting curved surface contour detection equipment

Abstract

The utility model discloses a casting curved surface contour detection device, which relates to the technical field of casting curved surface contour detection, and comprises an inspection machine used for accommodating and positioning a to-be-detected curved surface contour casting; the carrier plate assembly is arranged in the inspection machine, is positioned at the bottom and is used for supporting and fixing the curved surface profile casting; the detection assembly is mounted on the gantry module and is used for detecting the curved surface profile casting; the gantry module stretches across the machining area and is arranged above the carrier plate assembly. The gantry module drives the grabbing camera and the laser displacement sensor to move along (X, Y, Z) axes, grabs four mark points to obtain (X, Y) coordinates of the four points, guides the laser displacement sensor to the four points to obtain a corresponding Z value height, moves in a curved surface to obtain points to obtain corresponding coordinates, and fits a plane A through the four points (X, Y, Z) to obtain a plane B; and finally, calculating a curved surface by taking points of the fitting plane A.

Description

Technical Field

[0001] The utility model relates to the field of casting curved surface profile detection, in particular to casting curved surface profile detection equipment. Background Art

[0002] In modern industrial production, castings are important components whose quality directly affects product performance and safety. The surface profile quality of castings is one of the key indicators for measuring casting quality. Accurately testing the surface profile of castings is of great significance for ensuring the qualification of castings and improving product quality.

[0003] The traditional method of detecting the surface profile of a casting is for workers to measure the surface profile of the casting with handheld measuring equipment, and then perform calculations to determine the data of the casting surface profile. This detection equipment is not only prone to errors, but also inefficient. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcoming of low efficiency in casting surface profile detection in the prior art, and to propose a casting surface profile detection device.

[0005] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions:

[0006] Casting surface profile inspection equipment, including an inspection machine for receiving and positioning a casting with a curved surface profile to be inspected;

[0007] A carrier plate assembly is provided in the inspection machine and is located at the bottom for supporting and fixing the curved profile casting;

[0008] A detection component, used for detecting the curved surface profile casting;

[0009] The gantry module spans the processing area and is arranged above the carrier assembly, and is used to drive the detection assembly to move in the X-axis, Y-axis and Z-axis directions to detect the curved surface of the curved contour casting.

[0010] Preferably, the carrier plate assembly includes a fixed plate, which is installed at the bottom of the inspection machine. A plurality of support blocks of different heights are fixedly installed on the upper surface of the fixed plate, and two pairs of limit baffles are symmetrically provided on the edge of the upper surface of the fixed plate.

[0011] Preferably, the gantry module includes two columns, a crossbeam and a lifting plate, the lower ends of the two columns are fixedly connected to the bottom of the inspection machine, the crossbeam spans between the two columns, and the lifting plate is installed on the crossbeam.

[0012] Preferably, the detection component includes a moving rod installed on a lifting plate, a grabbing camera is fixedly provided on one side of the moving rod, and a laser displacement sensor is fixedly provided on the lower end of the moving rod.

[0013] Preferably, a linear motor is fixedly provided on one side of the lifting plate, the linear motor is connected to the moving rod, a limiting frame is fixedly provided on one side of the lifting plate, and the upper end of the grabbing camera is located in the groove of the limiting frame.

[0014] Preferably, a marble table is fixedly provided at the bottom of the processing area.

[0015] Preferably, a control console and a display screen are fixedly provided on the outer wall of the inspection machine.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] In the present invention, the gantry module drives the grabbing camera and the laser displacement sensor to move along the (X, Y, Z) axis, grabs four mark points, obtains the (X, Y) coordinates of the four points, guides the laser displacement sensor to the four points to obtain the corresponding Z value height, and the laser displacement sensor moves the points within the curved surface to obtain the corresponding coordinates. The plane A is fitted through the four points (X, Y, Z), and finally the curved surface is calculated by fitting the points of plane A. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the inspection machine of the present utility model;

[0021] Figure 3 This is a schematic structural diagram of the carrier board assembly of the present utility model;

[0022] Figure 4 This is a schematic diagram of the gantry assembly structure of the present utility model;

[0023] Figure 5 This is a schematic diagram of the detection component structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the casting surface contour point selection structure of the utility model.

[0025] Serial numbers in the figure: 1. Inspection machine; 2. Carrier assembly; 21. Fixing plate; 22. Support block; 23. Limit baffle; 3. Gantry module; 4. Detection assembly; 41. Moving rod; 42. Grabbing camera; 43. Laser displacement sensor; 5. Linear motor; 51. Limit frame; 6. Marble table; 7. Control panel; 71. Display screen. DETAILED DESCRIPTION

[0026] 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 the embodiments.

[0027] Example: This example provides a casting surface profile detection device, see Figure 1-6 Specifically, it includes an inspection machine 1 for accommodating and positioning the curved surface contour casting to be inspected. The inspection machine 1 is divided into a processing area and an electrical component storage area. The processing area is used to accommodate the curved surface contour casting to be inspected;

[0028] The carrier plate assembly 2 is provided in the inspection machine 1 and is located at the bottom. It is used to support and fix the curved surface contour casting. The carrier plate assembly 2 is used to place the curved surface contour casting. The carrier plate assembly 2 is located at the edge of the processing area of ​​the inspection machine 1 to facilitate the staff to load and unload the curved surface contour casting;

[0029] The detection component 4 is used to detect the curved surface contour casting. The detection component 4 uses the equipment to take points on the curved surface contour casting, and then measures the curved surface verticality of the curved surface contour casting by calculation;

[0030] The gantry module 3 spans the processing area and is arranged above the carrier assembly 2. It is used to drive the detection assembly 4 to move in the X-axis, Y-axis and Z-axis directions to realize the detection of the curved surface of the curved contour casting. The gantry module 3 can drive the detection assembly 4 to move along the X-axis, Y-axis and Z-axis directions, making it convenient for the detection assembly 4 to perform point detection on the curved contour casting.

[0031] In the specific implementation process, Figure 3 and Figure 4 As shown, the carrier assembly 2 includes a fixed plate 21, which is mounted on the bottom of the inspection machine 1. A plurality of support blocks 22 of different heights are fixedly mounted on the upper surface of the fixed plate 21. Two pairs of limit baffles 23 are symmetrically provided on the edge of the upper surface of the fixed plate 21.

[0032] The support blocks 22 at both ends of the fixed plate 21 are the highest, and the height of the support blocks 22 along the two ends decreases successively toward the middle, and the upper surfaces of the support blocks 22 are provided with arc surfaces, which are convenient for fitting with the curves of the curved contour castings. The limit baffles 23 fit with the edges on both sides of the curved contour castings, allowing the curved contour castings to be located on the support blocks 22, thereby improving the detection accuracy.

[0033] In the specific implementation process, Figure 2 and Figure 4 As shown, the gantry module 3 includes two columns, a crossbeam and a lifting plate. The lower ends of the two columns are fixedly connected to the bottom of the inspection machine 1. The crossbeam spans between the two columns, and the lifting plate is installed on the crossbeam.

[0034] Both the column and the beam are provided with moving modules. The beam can move along the Y axis on the column, and the lifting plate can move along the X axis on the beam.

[0035] In the specific implementation process, Figure 4 and Figure 5 As shown, the detection assembly 4 includes a moving rod 41 mounted on a lifting plate, a grabbing camera 42 is fixed on one side of the moving rod 41, and a laser displacement sensor 43 is fixed on the lower end of the moving rod 41;

[0036] The moving rod 41 can move along the Z axis along the lifting plate, and the moving rod 41 drives the grabbing camera 42 and the laser displacement sensor 43 to move synchronously; the use principle is as follows Figure 6 , select the four corner features of the product as mark points (four process mark points can also be designed for easy capture), the camera captures the four mark points, obtains the (X, Y) coordinates of the four points, guides the laser displacement sensor 43 to the four points to obtain the corresponding Z value height, the Z value of the point fluctuates within the range of 0, and judges whether the fluctuation is within the tolerance range. The laser displacement sensor 43 moves the point in the curved surface to obtain the corresponding coordinates, and fits the plane A through the four points (X, Y, Z). Finally, the curved surface is calculated by fitting the points of plane A.

[0037] In the specific implementation process, Figure 4 and Figure 5 As shown, a linear motor 5 is fixedly provided on one side of the lifting plate, and the linear motor 5 is connected to the moving rod 41. A limit frame 51 is fixedly provided on one side of the lifting plate, and one side of the upper end of the grabbing camera 42 is located in the groove of the limit frame 51;

[0038] The linear motor 5 drives the moving rod 41 to move to realize the operation of the Z axis. When the moving rod 41 drives the grabbing camera 42 to move, the limit frame 51 is used to limit the grabbing camera 42 to provide stability.

[0039] In the specific implementation process, Figure 1 and Figure 2As shown, a marble table 6 is fixedly provided at the bottom of the processing area. The marble table 6 is convenient for cleaning and keeps the carrier assembly 2 stable.

[0040] In the specific implementation process, Figure 1 As shown, a control console 7 and a display screen 71 are fixedly provided on the outer wall of the inspection machine 1 . The control console 7 is used to control the inspection machine 1 , and the display screen 71 can display data.

[0041] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Casting surface profile detection equipment, characterized by: include: An inspection machine (1) for receiving and positioning a curved surface contour casting to be inspected; A carrier plate assembly (2) is disposed in the inspection machine (1) and located at the bottom, and is used to support and fix the curved profile casting; A detection component (4) is used to detect the curved surface contour casting; A gantry module (3) spans the processing area and is arranged above the carrier assembly (2), and is used to drive the detection assembly (4) to move in the X-axis, Y-axis and Z-axis directions to detect the curved surface of the curved contour casting.

2. The casting surface profile detection device according to claim 1, characterized in that: The carrier plate assembly (2) comprises a fixed plate (21), the fixed plate (21) being mounted on the bottom of the inspection machine (1) of the inspection machine (1), a plurality of support blocks (22) of different heights being fixedly mounted on the upper surface of the fixed plate (21), and two pairs of limit baffles (23) being symmetrically provided on the edge of the upper surface of the fixed plate (21).

3. The casting surface profile detection device according to claim 1, characterized in that: The gantry module (3) comprises two columns, a crossbeam and a lifting plate, the lower ends of the two columns are fixedly connected to the bottom of the inspection machine (1), the crossbeam spans between the two columns, and the lifting plate is mounted on the crossbeam.

4. The casting surface profile detection device according to claim 3, characterized in that: The detection assembly (4) comprises a moving rod (41) mounted on a lifting plate, a grabbing camera (42) is fixedly provided on one side of the moving rod (41), and a laser displacement sensor (43) is fixedly provided on the lower end of the moving rod (41).

5. The casting surface profile detection device according to claim 4, characterized in that: A linear motor (5) is fixedly provided on one side of the lifting plate, and the linear motor (5) is connected to a moving rod (41). A limiting frame (51) is fixedly provided on one side of the lifting plate, and an upper end of the grabbing camera (42) is located in a groove of the limiting frame (51).

6. The casting surface profile detection device according to claim 1, characterized in that: A marble table (6) is fixedly provided at the bottom of the processing area.

7. The casting surface profile detection device according to claim 1, characterized in that: A control console (7) and a display screen (71) are fixedly provided on the outer wall of the inspection machine (1).

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