Automatic detection device for size and form and location tolerance

Abstract

The utility model discloses an automatic detection device for dimension and form and location tolerance, which comprises a first conveyor belt and a second conveyor belt which are horizontally arranged and positioned on the same straight line, and a detection station is arranged between the first conveyor belt and the second conveyor belt; a base is arranged on the detection station, a plurality of detection probes are arranged on the base, and the input ends of the detection probes are connected with the PLC; automatic detection mechanisms are arranged in the upper, lower, left and right directions of the base, the controlled ends of the automatic detection mechanisms are connected with the PLC, and the output ends of the automatic detection mechanisms and the output ends of the detection probes are connected with the computer host; a clamping mechanism is arranged on the side portion of the detection station, and the controlled end of the clamping mechanism is connected with the PLC. The device has the advantages of high rejection automation degree, convenience, rapidness, high detection precision and capability of ensuring the product quality.

Description

Technical Field

[0001] The utility model relates to the technical field of profile automatic detection, and more specifically to an automatic detection device for size and shape and position tolerance. Background Art

[0002] Whether the size of a product is accurate represents the quality of the product. As customers have increasingly stringent requirements on product size and form and position tolerances, manufacturers must conduct 100% inspections on product size and form and position tolerances such as verticality and parallelism. The traditional inspection method is to manually inspect the product with a vernier caliper. Form and position tolerances are inspected one by one through three-dimensional projection or form and position inspection fixtures. The inspection efficiency is very low, and manual operation is prone to misjudgment and missed inspections, which affects the production efficiency of the product and the accuracy of the inspection accuracy.

[0003] Therefore, there is an urgent need for an automatic detection device for size and shape tolerance. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide an automatic detection device for size and shape tolerance to solve the problems in the background technology.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0006] An automatic detection device for size and form tolerances comprises a first conveyor belt and a second conveyor belt which are arranged horizontally and located on the same straight line, wherein an inspection station is arranged between the first conveyor belt and the second conveyor belt; the inspection station is provided with a base for placing products, the base is provided with a plurality of detection probes for detecting products, and the input ends of the detection probes are connected to a PLC controller; automatic detection mechanisms for detecting products are arranged in four directions of up, down, left and right of the base, the controlled ends of the automatic detection mechanisms are connected to the PLC controller, and the output ends of the automatic detection mechanisms and the detection probes are connected to a computer host; a clamping mechanism is arranged on the side of the inspection station, and the controlled end of the clamping mechanism is connected to the PLC controller.

[0007] To further optimize the technical solution, five detection probes are arranged on the base, four of which are arranged in a rectangular shape, and one detection probe is arranged at the center.

[0008] To further optimize the technical solution, the automatic detection mechanism includes detection tracks arranged in the upper, lower, left, and right directions and radially of the base, and sliders are arranged on the detection tracks; detection probes are arranged on the sliders, and the arrangement of the detection probes is the same as that on the base.

[0009] To further optimize the technical solution, the clamping mechanism includes a clamping track arranged parallel to the first conveyor belt, and a moving rod is slidably arranged on the clamping track; a clamping hand for grasping the product is arranged at the end of the moving rod, a position sensor is arranged on the clamping hand, and the controlled end of the clamping hand is connected to a PLC controller.

[0010] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0011] The utility model provides an automatic detection device for size and shape tolerance, which adopts probe contact detection, can accurately detect the size and shape tolerances such as verticality and parallelism of products, and is fully automated, greatly reducing labor costs and improving detection efficiency and detection accuracy. The utility model has the advantages of high automation, convenience and speed, high detection accuracy, and can ensure product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Among them: 11. first conveyor belt, 12. second conveyor belt, 2. clamping mechanism, 21. clamping claw track, 22. moving rod, 23. clamping claw hand, 4. detection station, 5. detection track, 6. automatic detection mechanism, 7. detection probe, 8. base, 9. product, 10. slider. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0015] An automatic detection device for size and shape tolerance, combined with Figure 1 As shown, it includes a first conveyor belt 11, a second conveyor belt 12, a gripping mechanism 2, a detection station 4, an automatic detection mechanism 6, a base 8, and a product 9. The gripping mechanism 2 includes a clamping track 21, a moving rod 22, and a clamping hand 23; the automatic detection mechanism 6 includes a detection track 5, a detection probe 7, and a slider 10.

[0016] The first conveyor belt 11 and the second conveyor belt 12 are both arranged horizontally, and the first conveyor belt 11 and the second conveyor belt 12 are located on the same straight line. An inspection station 4 is arranged between the first conveyor belt 11 and the second conveyor belt 12, which is used to inspect the products transported by the first conveyor belt 11, and the second conveyor belt 12 transports the products away after the inspection is completed.

[0017] The detection station 4 is provided with a base 8 for placing the product 9, and five detection probes 7 are provided on the base 8, four of which are arranged in a rectangular shape, and one detection probe 7 is provided at the center for detecting the product 9. The input end of the detection probe 7 is connected to the PLC controller.

[0018] The base 8 is provided with an automatic detection mechanism 6 in the four directions of up, down, left, and right, for automatically detecting the four sides of the product 9. The automatic detection mechanism 6 includes detection tracks 5 arranged in the upper, lower, left, and right directions of the base 8 and arranged radially, and a slider 10 is arranged on the detection track 5. The slider 10 is connected to the motor through a rack, and the controlled end of the motor is connected to the PLC controller to achieve the adjustment of the movement. The slider 10 is provided with a detection probe 7, and the setting of the detection probe 7 is the same as the detection probe 7 on the base 8.

[0019] The controlled end of the automatic detection mechanism 6 is connected to the PLC controller, and the output ends of the automatic detection mechanism 6 and the detection probe 7 are connected to a computer host.

[0020] A gripping mechanism 2 is provided on the side of the inspection station 4, and the controlled end of the gripping mechanism 2 is connected to the PLC controller. The gripping mechanism 2 includes a gripping track 21 arranged parallel to the first conveyor belt 11, and a moving rod 22 is slidably provided on the gripping track 21. A plurality of moving rods 22 can be provided to facilitate the connection between the gripping track 21 and the gripping hand 23. The moving rod 22 is connected to a driving mechanism, and the driving mechanism is connected to the PLC controller to achieve movement on the gripping track. A gripping hand 23 for grabbing the product 9 is provided at the end of the moving rod 22, and a position sensor is provided on the gripping hand 23, and the controlled end of the gripping hand 23 is connected to the PLC controller.

[0021] When the utility model is actually used, the first conveyor belt delivers the product to the vicinity, the gripper in the clamping mechanism picks up the product and then places it on the base on the inspection station, and the sliders in the detection tracks in the front, back, left, and right directions of the inspection station move toward the product and support the four faces of the product; the five probes arranged on the base can move up and down and support the bottom of the product, and the detection probes on these five faces contact the product and transmit the detection data signals back to the computer host for calculation and analysis, simulating the principle of three-dimensional projection, calculating the product's length and width and other dimensions and verticality, parallelism and other form and position tolerances, and completing the product inspection. After the product is inspected, the four inspection fixtures are reset, and the detection probes on the base are reset downward to leave the product, and the product is driven by the clamping mechanism to move to the second conveyor belt, and the product arrives at the exit with the second conveyor belt.

Claims

1. An automatic detection device for size and shape tolerance, characterized in that: The invention comprises a first conveyor belt (11) and a second conveyor belt (12) which are arranged horizontally and located on the same straight line, and a detection station (4) is arranged between the first conveyor belt (11) and the second conveyor belt (12); a base (8) for placing a product (9) is arranged on the detection station (4), and a plurality of detection probes (7) for detecting the product (9) are arranged on the base (8), and the input end of the detection probe (7) is connected to a PLC controller; automatic detection mechanisms (6) for detecting the product (9) are arranged in four directions of the upper, lower, left and right of the base (8), and the controlled end of the automatic detection mechanism (6) is connected to the PLC controller, and the output ends of the automatic detection mechanism (6) and the detection probes (7) are connected to a computer host; a clamping mechanism (2) is arranged on the side of the detection station (4), and the controlled end of the clamping mechanism (2) is connected to the PLC controller.

2. The automatic detection device for size and shape tolerance according to claim 1 is characterized in that: Five detection probes (7) are arranged on the base (8), four of the detection probes (7) are arranged in a rectangular shape, and one detection probe (7) is arranged at the center.

3. The automatic detection device for size and shape tolerance according to claim 2 is characterized in that: The automatic detection mechanism (6) comprises detection tracks (5) arranged in the upper, lower, left, and right directions and in a radial direction of the base (8), and a slider (10) is arranged on the detection track (5); the sliders (10) are each provided with a detection probe (7), and the arrangement of the detection probe (7) is the same as that on the base (8).

4. The automatic detection device for size and shape tolerance according to claim 1 is characterized in that: The gripping mechanism (2) comprises a gripping track (21) arranged parallel to the first conveyor belt (11), and a moving rod (22) is slidably arranged on the gripping track (21); a gripping hand (23) for gripping the product (9) is arranged at the end of the moving rod (22), a position sensor is arranged on the gripping hand (23), and a controlled end of the gripping hand (23) is connected to a PLC controller.

Images