Component external dimension detection device

Abstract

The utility model belongs to the technical field of detection devices, and discloses an element external dimension detection device. The element appearance size detection device comprises a base, a workbench is fixedly connected to the upper surface of the base, irradiation mechanisms are fixedly installed on the left side and the right side of the workbench, a rectangular groove is formed in the center of the workbench, and first driving guide rails are fixedly installed on the left side and the right side of the rectangular groove. According to the element external dimension detection device, a workpiece is limited by utilizing a negative pressure effect, and after the workpiece is clamped by utilizing the electric telescopic rods to be matched with the adjusting plate, the deviation action of the position of the workpiece is realized through the extension of the output end of the electric telescopic rod on one side and the retraction of the electric telescopic rod on the other side; the conditions that the position placement is inaccurate due to manual placement and manual movement is needed during deviation are effectively avoided, the detection precision is improved, and the detection speed is increased.

Description

Technical Field

[0001] This utility model relates to the technical field of detection devices, specifically a component appearance and size detection device. Background Technology

[0002] After component manufacturing, its appearance and dimensions need to be inspected. However, during the inspection process, most of the placement is done manually, which makes it difficult to place the component in the center. Furthermore, the component needs to be moved during the inspection process, such as for three-point inspection, placing the component in the center of the inspection position, or to the left or right. This allows us to simulate the positional errors that may occur during the production process and calculate whether the distortion of the workpiece meets the specified accuracy using different shooting positions. However, manual movement during the inspection process slows down the inspection efficiency. Therefore, we urgently need a component appearance and dimension monitoring device to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a component appearance dimension detection device, which solves the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a component appearance size detection device, including a base (1), a workbench (2) is fixedly connected to the upper surface of the base (1), an irradiation mechanism (3) is fixedly installed on both the left and right sides of the workbench (2), a rectangular groove (4) is opened at the center of the workbench (2), a drive guide rail (5) is fixedly installed on both the left and right sides of the rectangular groove (4), a detection table (6) is provided in the rectangular groove (4), the left and right sides of the detection table (6) are fixedly installed with the built-in moving block of the drive guide rail (5) through a sliding plate, an adjustment and positioning mechanism (7) is provided on the detection table (6), a workpiece (8) is provided on the detection table (6), a stand (9) is also fixedly installed on the upper surface of the workbench (2), and a detection mechanism (10) is provided on the stand (9);

[0005] The irradiation mechanism (3) is used to provide light during the inspection of the workpiece (8), the adjustment and positioning mechanism (7) is used to provide limit and position adjustment for the workpiece (8) during the inspection, and the inspection mechanism (10) is used to inspect the appearance of the workpiece (8).

[0006] Preferably, the irradiation mechanism (3) includes a second drive rail (31), the two second drive rails (31) are fixedly installed on the left and right sides of the workbench (2) respectively, a first drive block (32) is slidably connected to each of the two second drive rails (31), a first hydraulic cylinder (33) is fixedly installed on each of the two first drive blocks (32), a bracket (34) is fixedly installed at the output end of each of the two first hydraulic cylinders (33), a parallel backlight (35) is hinged on the bracket (34) on the left side, and a double telecentric lens (36) is fixedly installed on the bracket (34) on the right side.

[0007] Through the above technical solution, the hydraulic cylinder (33) of this application is used to adapt to the height of the bracket (34) and the inspection table (6), and the parallel backlight (35) is more suitable for the appearance inspection of the workpiece (8).

[0008] Preferably, the adjustment and positioning mechanism (7) includes a cavity (71), which is located in the testing platform (6). The testing platform (6) has placement holes (72) on both the front and rear sides. A negative pressure fan (73) is fixedly installed in each of the two placement holes (72). The placement holes (72) are connected to the cavity (71). An adsorption plate (74) is fixedly installed at the opening of the cavity (71). The workpiece (8) is located on the adsorption plate (74). Notches (75) are opened at the four corners of the upper surface of the testing platform (6). A hydraulic cylinder (76) is fixedly installed in each of the four notches (75).

[0009] Preferably, a U-shaped frame (77) is fixedly installed at the output end of the second hydraulic cylinder (76), a drive motor (78) is fixedly installed on the U-shaped frame (77), one end of a transmission rod (79) is fixedly installed at the output end of the drive motor (78), the other end of the transmission rod (79) extends inward and is rotatably connected to the bearing on the inner wall of the U-shaped frame (77), a connecting plate (710) is sleeved on the transmission rod (79), an electric telescopic rod (711) is fixedly installed on the connecting plate (710), and an adjusting plate (712) is fixedly installed at the output end of the electric telescopic rod (711).

[0010] Preferably, the detection mechanism (10) includes a second drive motor (101), which is fixedly installed on the upper surface of the stand (9). One end of a transmission rod (102) is fixedly installed at the output end of the second drive motor (101), and a third drive rail (103) is fixedly installed at the other end of the transmission rod (102). A second drive block (104) is slidably connected on the third drive rail (103).

[0011] Preferably, a mounting plate (105) is fixedly mounted on the second drive block (104), and a CCD camera (106) is fixedly mounted on the lower surface of the mounting plate (105).

[0012] By adopting the aforementioned technical solution, the beneficial effects of this utility model are:

[0013] 1. This component appearance dimension detection device, through the design of the adjustable positioning mechanism, allows the workpiece to be placed on the detection table. A negative pressure fan is activated, and the gas inside the cavity is guided through the through holes in the adsorption plate, creating a negative pressure effect on the surface of the adsorption plate. This tightly limits the workpiece's position. When repositioning is required, the negative pressure effect limits the workpiece while an electric telescopic rod, in conjunction with an adjusting plate, clamps the workpiece. The extension of one side of the electric telescopic rod and the retraction of the other side allow for the workpiece to be shifted. This effectively avoids inaccurate positioning due to manual placement and the need for manual movement during shifting, improving detection accuracy and speed.

[0014] 2. The component appearance and size inspection device, through the design of the inspection mechanism, drives the CCD camera to move at multiple angles, and is combined with the illumination mechanism, thereby reducing the situation of unclear illumination and component obstruction during the inspection process, and further improving the production accuracy. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a front view structural diagram of the present invention;

[0017] Figure 3 This utility model Figure 2 Schematic diagram of the AA section structure;

[0018] Figure 4 This utility model Figure 3 Enlarged structural diagram at point B.

[0019] In the diagram: 1. Base; 2. Worktable; 3. Irradiation mechanism; 4. Rectangular groove; 5. Drive guide rail one; 6. Detection table;

[0020] 31. Drive rail 2; 32. Drive block 1; 33. Hydraulic cylinder 1; 34. Bracket; 35. Parallel backlight; 36. Dual telecentric lenses;

[0021] 7. Adjustment and positioning mechanism; 71. Cavity; 72. Placement hole; 73. Negative pressure fan; 74. Adsorption plate; 75. Notch; 76. Hydraulic cylinder II; 77. U-shaped frame; 78. Drive motor I; 79. Transmission rod I; 710. Connecting plate; 711. Electric telescopic rod; 712. Adjustment plate;

[0022] 8. Workpiece; 9. Stand;

[0023] 10. Testing mechanism; 101. Drive motor II; 102. Transmission rod II; 103. Drive guide rail III; 104. Drive block II; 105. Mounting plate; 106. CCD camera. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-4 This utility model provides a technical solution: a component appearance and size inspection device, including a base 1, a worktable 2 fixedly connected to the upper surface of the base 1, and irradiation mechanisms 3 fixedly installed on both the left and right sides of the worktable 2.

[0026] The irradiation mechanism 3 includes two drive rails 31, which are fixedly installed on the left and right sides of the worktable 2 respectively. Drive blocks 32 are slidably connected to both drive rails 31, and hydraulic cylinders 33 are fixedly installed on both drive blocks 32. Brackets 34 are fixedly installed at the output ends of both hydraulic cylinders 33. A parallel backlight 35 is hinged to the bracket 34 on the left side, and a dual telecentric lens 36 is fixedly installed on the bracket 34 on the right side. The irradiation mechanism 3 is used to provide light during the inspection of the workpiece 8.

[0027] In this application, hydraulic cylinder 33 is a single-piston hydraulic cylinder. The inlet and outlet of the hydraulic cylinder are connected to one side of an external liquid directional valve via oil pressure pipes, and the other side of the external liquid directional valve is connected to the inlet and outlet of a hydraulic pump via oil pressure pipes. This allows the output of hydraulic cylinder 33 to move up and down. Since there are two hydraulic cylinders 33, their outputs may simultaneously rise or retract in the same direction. Therefore, a flow divider is installed between the external liquid directional valve and the hydraulic cylinder 33. A flow valve is used to evenly distribute the oil inlet and outlet of hydraulic cylinder 33. When the inlet and outlet of hydraulic cylinder 33 are connected to the branch inlet and outlet of the external diverter valve through oil pressure pipes, the main inlet and outlet of the external diverter valve are connected to one side of the external liquid directional valve through oil pressure pipes. Similarly, hydraulic cylinder 76 uses the same design as hydraulic cylinder 33. It should be noted that the external liquid directional valve is an externally connected independent design and is an existing technical solution. The parallel backlight 35 and the dual telecentric lens 36 also adopt existing technical solutions, so they will not be described in detail here.

[0028] A rectangular groove 4 is provided in the center of the workbench 2. Drive rails 5 are fixedly installed on both the left and right sides of the rectangular groove 4. A detection table 6 is provided in the rectangular groove 4. The left and right sides of the detection table 6 are fixedly installed to the built-in moving blocks of the drive rails 5 via sliding plates. An adjustment and positioning mechanism 7 is provided on the detection table 6.

[0029] The adjusting positioning mechanism 7 includes a cavity 71, which is located within the testing platform 6. Placement holes 72 are provided on both the front and rear sides of the testing platform 6. A negative pressure fan 73 is fixedly installed in each of the two placement holes 72. The placement holes 72 are interconnected with the cavity 71. An adsorption plate 74 is fixedly installed at the opening of the cavity 71, and the workpiece 8 is positioned on the adsorption plate 74. Notches 75 are provided at the four corners of the upper surface of the testing platform 6. A second hydraulic cylinder 76 is fixedly installed in each of the four notches 75. A U-shaped frame 77 is fixedly installed at the output end of the second hydraulic cylinder 76. A first drive motor 78 is fixedly installed on the U-shaped frame 77, and a transmission mechanism is fixedly installed at the output end of the first drive motor 78. One end of rod 79 and the other end of transmission rod 79 extend inward and are rotatably connected to the bearing on the inner wall of U-shaped frame 77. A connecting plate 710 is sleeved on transmission rod 79, and an electric telescopic rod 711 is fixedly installed on the connecting plate 710. An adjusting plate 712 is fixedly installed on the output end of electric telescopic rod 711. The adjusting positioning mechanism 7 is used to provide limit and position adjustment for workpiece 8 during the inspection process. The power input end of electric telescopic rod 711 needs to be connected to the control output end of electric telescopic rod 711 controller through a cable. It should be noted that the electric telescopic rod 711 controller is an external independent power supply control unit used to control electric telescopic rod 711.

[0030] Drive rail 2 31 adopts an arc-shaped guide rail. The external power supply control unit controls the movement of drive block 1 32 on drive rail 2 31 through a wiring harness. Similarly, in this application, drive rail 1 5 and drive rail 3 103 both adopt an external power supply control unit to control the movement of detection table 6 and drive block 2 104 through a wiring harness. It should be noted that drive rail 3 103 is also an arc-shaped guide rail. Its internal drive block 2 104 will drive the CCD camera 106 to move its position so as to obtain a better shooting angle for workpiece 8. The CCD camera 106 transmission line is connected to the video input terminal of the peripheral computer. The CCD camera 106 can take pictures of workpiece 8 and at the same time compare the detection data with the original value.

[0031] A workpiece 8 is placed on the inspection table 6. A stand 9 is fixedly installed on the upper surface of the worktable 2. An inspection mechanism 10 is set on the stand 9. The inspection mechanism 10 includes a second drive motor 101, which is fixedly installed on the upper surface of the stand 9. One end of a second transmission rod 102 is fixedly installed at the output end of the second drive motor 101. A third drive rail 103 is fixedly installed at the other end of the transmission rod 102. A second drive block 104 is slidably connected to the third drive rail 103. A mounting plate 105 is fixedly installed on the second drive block 104. A CCD camera 106 is fixedly installed on the lower surface of the mounting plate 105. The inspection mechanism 10 is used to inspect the appearance of the workpiece 8.

[0032] It should be noted that both drive motor 78 and drive motor 101 are servo motors, and their control terminals are controlled by external power supply and control equipment through wiring harnesses.

[0033] When the component appearance and size inspection device is working, the operator places the workpiece 8 on the inspection table 6 and starts the negative pressure fan 73. After the negative pressure fan 73 is started by the power supply, the fan starts. Note that... (The rest of the text is incomplete and requires further context.) Figure 3 For example, air enters the cavity 71 through the through hole on the adsorption plate 74 on the inspection table 6, and then exits from the cavity 71 to the outside, creating a negative pressure adsorption effect on the surface of the adsorption plate 74, thereby adsorbing the workpiece 8. After the workpiece 8 is adsorbed on the adsorption plate 74, the hydraulic cylinder 76 drives the U-shaped frame 77 to move upward, so that the lower surface of the U-shaped frame 77 is flush with the upper surface of the inspection table 6. At this time, the output end of the drive motor 78 drives the transmission rod 79 to rotate, so that the electric telescopic rod 711 is parallel to the inspection table 6. At this time, the output end of the electric telescopic rod 711 extends outward to contact the adjustment plate 712 with the workpiece 8. Through the extension and retraction of the output ends of the four electric telescopic rods 711, the workpiece 8 is positioned in the center of the inspection table 6. It should be noted that when the workpiece 8 is in the center of the inspection table 6, the extension length of the output ends of the four electric telescopic rods 711 is equal.

[0034] Drive rail 2 31 drives drive block 1 32 to move, thereby moving the parallel backlight 35 and the dual telecentric lens 36 to the corresponding positions, and cooperating with the CCD camera 106 to take pictures. During the shooting process, drive block 2 104 on drive rail 3 103 will drive the CCD camera 106 on the mounting plate 105 to move, and drive motor 2 101 will drive transmission rod 2 102 to rotate. When transmission rod 2 102 rotates, drive rail 3 103 will rotate accordingly, so as to better capture the workpiece 8 from multiple angles. It should be noted that when the CCD camera 106 moves, drive block 1 32 on drive rail 2 31 will drive the corresponding parallel backlight 35 and dual telecentric lens 36 to move, so as to cooperate with the CCD camera 106 to take pictures.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An element appearance size detecting device comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected with a workbench (2), both sides of the workbench (2) are fixedly installed with irradiation mechanisms (3), the center position of the workbench (2) is provided with a rectangular groove (4), both sides of the rectangular groove (4) are fixedly installed with drive rails (5), the rectangular groove (4) is provided with a detection table (6), both sides of the detection table (6) are fixedly installed through sliding plates and the built-in moving blocks of the drive rails (5), the detection table (6) is provided with an adjusting positioning mechanism (7), the detection table (6) is provided with a workpiece (8), the upper surface of the workbench (2) is also fixedly installed with a stand (9), the stand (9) is provided with a detection mechanism (10). The irradiation mechanisms (3) are used for providing light during the detection of the workpiece (8), the adjusting positioning mechanism (7) is used for providing limiting and position adjustment during the detection of the workpiece (8), and the detection mechanism (10) is used for detecting the appearance of the workpiece (8).

2. An appearance size detecting apparatus of a component according to claim 1, characterized by: The irradiation mechanisms (3) comprise drive rails (31), two drive rails (31) are fixedly installed on the left and right sides of the workbench (2), drive blocks (32) are slidably connected to the two drive rails (31), hydraulic cylinders (33) are fixedly installed on the two drive blocks (32), supports (34) are fixedly installed on the output ends of the two hydraulic cylinders (33), a parallel backlight source (35) is hinged to the support (34) on the left side, and a double-telecentric lens (36) is fixedly installed on the support (34) on the right side.

3. An element appearance size detection device according to claim 2, characterized by: The adjusting positioning mechanism (7) comprises a cavity (71), the cavity (71) is formed in the detection table (6), the front and back sides of the detection table (6) are provided with placing holes (72), negative pressure fans (73) are fixedly installed in the two placing holes (72), the placing holes (72) and the cavity (71) are in communication, an adsorption plate (74) is fixedly installed at the opening of the cavity (71), the workpiece (8) is located on the adsorption plate (74), notches (75) are formed at the four corner positions of the upper surface of the detection table (6), and hydraulic cylinders (76) are fixedly installed in the four notches (75).

4. An appearance size detecting apparatus according to claim 3, characterized by: The output end of the hydraulic cylinder (76) is fixedly installed with a U-shaped frame (77), the U-shaped frame (77) is fixedly installed with a driving motor (78), one end of a transmission rod (79) is fixedly installed on the output end of the driving motor (78), the other end of the transmission rod (79) extends inward and is rotatably connected with the inner wall bearing of the U-shaped frame (77), a connecting plate (710) is sleeved on the transmission rod (79), an electric telescopic rod (711) is fixedly installed on the connecting plate (710), and an adjusting plate (712) is fixedly installed on the output end of the electric telescopic rod (711).

5. An element appearance size detection apparatus according to claim 4, characterized by: The detection mechanism (10) includes a drive motor two (101), the drive motor two (101) is fixedly installed on the upper surface of the stand (9), one end of the output of the drive motor two (101) is fixedly installed with the transmission rod two (102), the other end of the transmission rod two (102) is fixedly installed with the drive guide rail three (103), the drive guide rail three (103) is slidably connected with the drive block two (104).

6. An appearance size detecting apparatus according to claim 5, wherein: The drive block two (104) is fixedly installed with the mounting plate (105), and the lower surface of the mounting plate (105) is fixedly installed with the CCD camera (106).

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