Removal mechanism for visual inspection equipment

Abstract

The utility model relates to the technical field of visual inspection, in particular to a rejecting mechanism for visual inspection equipment, which comprises a table body, an electric conveying belt mounted in the middle of the table body, a material guide frame mounted at the upper end of the table body and positioned above the electric conveying belt, a top frame mounted in the middle of the rear end of the table body, and an air cylinder mounted in the middle of the rear end of the top frame. According to the utility model, the original lifting mechanism is scientifically and rationally improved, the discharging bracket and the material guide sliding rail are arranged between the table body and the material guide frame, and meanwhile, the photoelectric sensor, the microcomputer controller, the prompting lamp and the buzzer are arranged between the material guide frame and the material guide sliding rail; the rejecting mechanism has the advantages that rejected workpieces can be guided and stored between the guide sliding rail and the discharging bracket in an auxiliary manner, and meanwhile, an acousto-optic signal can be sent out to remind an operator to take the workpieces when the workpieces are stacked, so that the secondary damage problem in the workpiece rejecting process is effectively reduced, and the working stability of the rejecting mechanism is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual inspection technical field especially relates to a kind of rejection mechanism for visual inspection equipment. BACKGROUND

[0002] Visual inspection is to replace human eye with machine to measure and judge.Visual inspection is to convert the target to be taken into image signal by machine vision product, transmit to dedicated image processing system, according to pixel distribution and brightness, color etc., into digitized signal;Image system carries out various operations to the signal to extract the feature of target, and then according to the result of discrimination to control the action of on-site equipment.

[0003] As shown in figure Figure 3 It is the rejection mechanism used on the visual inspection equipment of last generation, its main role is to carry out multidirectional visual inspection to workpiece conveyed on assembly line, then workpiece with appearance flaw and defect is rejected from assembly line, however, the rejection mechanism of this structure has the following shortcomings in actual use process: when workpiece is visually inspected and has appearance flaw or defect, cylinder drives push plate to move forward, workpiece is quickly pushed out from between guide frame and table body, as there is no other external force auxiliary action, workpiece is prone to directly fall or swing from the front of table body, leading to secondary damage of workpiece in rejection process, thereby affecting subsequent repair operation of workpiece.

[0004] Therefore, it is particularly important to design and manufacture a rejection mechanism capable of reducing damage to workpiece in rejection process and facilitating subsequent repair operation of workpiece and applied to visual inspection equipment. CONTENT OF UTILITY MODEL

[0005] The utility model aims at: in order to solve the rejection mechanism for visual inspection equipment of last generation, prone to secondary damage of workpiece in rejection process, thereby increasing the workload and difficulty of subsequent repair of workpiece, and propose a kind of rejection mechanism for visual inspection equipment.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of rejection mechanism for visual inspection equipment, including table body, electric conveyor belt installed in the middle part of table body, guide frame installed on the upper end of table body and located above electric conveyor belt, top frame installed in the middle part of the rear end of table body, cylinder installed in the middle part of the rear end of top frame, push plate installed in the front end of cylinder and two high-definition cameras installed in the upper end of top frame and position dispersedly arranged, guide mechanism for preventing knock and stable discharging operation after rejection is arranged between table body and guide frame.

[0008] As a further description of the above technical scheme:

[0009] The material guiding mechanism comprises a discharging bracket fixed at the left side of the front end of the table body, a material guiding slide rail installed between the discharging port of the middle part of the material guiding frame and the upper end of the discharging bracket, and a prompting part arranged between the material guiding frame and the material guiding slide rail for discharging reminding.

[0010] As a further description of the above technical solution:

[0011] The prompting part comprises a photoelectric sensor installed at the tail end of the material guiding slide rail and above the discharging bracket, a microcomputer controller installed on the right side of the front end of the material guiding frame, and a prompting lamp and a buzzer installed at the front end of the microcomputer controller.

[0012] As a further description of the above technical solution:

[0013] The output end of the photoelectric sensor is electrically connected with the input end of the microcomputer controller, and the output end of the microcomputer controller is electrically connected with the input end of the prompting lamp and the buzzer respectively.

[0014] As a further description of the above technical solution:

[0015] The front end of the top frame is provided with a lighting lamp strip with the irradiation area distributed forward.

[0016] As a further description of the above technical solution:

[0017] The lower end of the table body is fixedly connected with outwardly protruding mounting rib plates at four corners, and mounting holes are formed in the mounting rib plates.

[0018] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0019] In the present application, the original discharging mechanism is improved scientifically and rationally, the discharging bracket and the material guiding slide rail are arranged between the table body and the material guiding frame, and the photoelectric sensor, the microcomputer controller, the prompting lamp and the buzzer are arranged between the material guiding frame and the material guiding slide rail. The rejected workpiece enters the material guiding slide rail forward, then moves horizontally left in the material guiding slide rail under the action of the electric conveying belt, and then the frontmost workpiece is pushed to the space between the discharging bracket and the material guiding slide rail, the photoelectric sensor on the material guiding slide rail detects the position of the workpiece, transmits the position data to the microcomputer controller for calculation, comparison and analysis, and controls the prompting lamp and the buzzer to work respectively. This structure can assist the guiding and storage of the rejected workpiece between the material guiding slide rail and the discharging bracket, and can also send an audible and visual signal to remind the operator to take the workpiece when the workpiece is accumulated, effectively reducing the occurrence of secondary damage during the rejection process, thereby improving the stability of the rejection mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structure schematic diagram of the rejecting mechanism for visual inspection equipment is provided in the utility model.

[0021] Figure 2 A three-dimensional working schematic diagram of the utility model is provided.

[0022] Figure 3 A three-dimensional working schematic diagram of the previous generation rejecting mechanism in the prior art is provided.

[0023] Legend:

[0024] 1, table body; 101, material guide frame; 102, mounting rib plate; 2, electric conveying belt; 3, top frame; 4, air cylinder; 401, material pushing plate; 5, high-definition camera; 6, lighting lamp strip; 7, discharging bracket; 8, material guide slide rail; 9, microcomputer controller; 901, prompt light; 902, buzzer; 10, photoelectric sensor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-3 The utility model provides a technical scheme: a rejecting mechanism for visual inspection equipment, which comprises a table body 1, an electric conveying belt 2 mounted in the middle part of the table body 1, a material guide frame 101 mounted on the upper end of the table body 1 and located above the electric conveying belt 2, a top frame 3 mounted in the middle part of the rear end of the table body 1, an air cylinder 4 mounted in the middle part of the rear end of the top frame 3, a material pushing plate 401 mounted at the front end of the air cylinder 4 and two high-definition cameras 5 mounted on the upper end of the top frame 3 and arranged in a scattered manner, and a material guide mechanism is arranged between the table body 1 and the material guide frame 101 for rejecting the workpiece after operation to prevent bruising and stabilize the discharging operation.

[0027] Specifically, as shown in Figure 1 and Figure 2 The material guide mechanism comprises a discharging bracket 7 fixed to the left side of the front end of the table body 1, a material guide slide rail 8 mounted between the discharging port of the middle part of the material guide frame 101 and the upper end of the discharging bracket 7, and a prompt part arranged between the material guide frame 101 and the material guide slide rail 8 for discharging reminding.

[0028] The prompting part comprises the photoelectric sensor 10 installed at the tail end of the material guide slide rail 8 and above the material discharge bracket 7, the microcomputer controller 9 installed at the right side of the front end of the material guide frame 101, and the prompting lamp 901 and the buzzer 902 installed at the front end of the microcomputer controller 9. The output end of the photoelectric sensor 10 is electrically connected with the input end of the microcomputer controller 9, the output end of the microcomputer controller 9 is electrically connected with the input end of the prompting lamp 901 and the buzzer 902 respectively. When the photoelectric sensor 10 works, the position data of the workpiece can be collected in real time. When the workpiece moves to the detection area of the photoelectric sensor 10, the photoelectric sensor 10 will transmit the changed position data to the microcomputer controller 9. The microcomputer controller 9 will calculate, compare and analyze the position data in real time, so as to control the prompting lamp 901 and the buzzer 902 to be powered on and work for a period of time. When there is no shielding effect in the detection area of the photoelectric sensor 10, the microcomputer controller 9 will control the prompting lamp 901 and the buzzer 902 to stop working.

[0029] Specifically, as shown in Figure 1 and Figure 2 , the front end of the top frame 3 is provided with the lighting lamp strip 6 with the irradiation area distributed forward, which can perform light processing on the workpiece moving to the front of the top frame 3, thereby improving the image capturing effect of the high-definition camera 5 on the workpiece.

[0030] Specifically, as shown in Figure 1 and Figure 2 , the lower end of the table body 1 is fixedly connected with the outwardly protruding mounting rib plate 102 at four corners, and the mounting hole is formed in the mounting rib plate 102. The mounting rib plate 102 and the mounting hole are arranged to facilitate the fixed-point mounting and fixing operation of the table body 1 through the fastener.

[0031] Working principle: when using, the table body 1 is installed and fixed to the rejection station of the visual inspection equipment through the fastener and the mounting rib plate 102, then the control circuit of the rejection mechanism is connected to the control terminal of the visual inspection equipment, then the gas circuit of the air cylinder 4 is communicated with the gas supply pipeline of the visual inspection equipment, the installation operation of the rejection mechanism is completed, in the daily use process, the workpiece can move horizontally to the left on the table body 1 under the action of the electric conveying belt 2 and the material guide frame 101, when the workpiece passes below the top frame 3, the high-definition camera 5 will collect the workpiece image, then the image data is transmitted to the control terminal for calculation, comparison and analysis, when the workpiece has appearance defects or defects, the air cylinder 4 can be inflated to extend outward, drive the material pushing plate 401 to move forward, push the workpiece with problems forward into the material guide slide rail 8, because the lower end of the workpiece is in contact with the electric conveying belt 2, so the rejected workpiece can move from right to left in the material guide slide rail 8, when the workpiece is accumulated in the horizontal end of the material guide slide rail 8, the frontmost workpiece can enter between the material guide slide rail 8 and the material discharge bracket 7 under the combined action of the conveying of the electric conveying belt 2 and the contact extrusion force, at this time, the workpiece will pass through the detection area of the photoelectric sensor 10, the photoelectric sensor 10 will transmit the position data of the workpiece to the microcomputer controller 9 for calculation, comparison and analysis, then control the prompt light 901 to be electrified and continuously flash, the buzzer 902 to emit sound, comprehensively remind the operator that the workpiece is accumulated on the material discharge bracket 7, and the workpiece taking and transferring operation needs to be performed.

[0032] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A kind of visual inspection equipment with rejection mechanism, including table body (1), the electric conveyor belt (2) being installed in the middle part of table body (1), the guide frame (101) being installed on the upper end of table body (1) and being located above the electric conveyor belt (2), the top frame (3) being installed in the middle part of the rear end of table body (1), the air cylinder (4) being installed in the middle part of the rear end of top frame (3), the pusher plate (401) being installed in the front end of air cylinder (4) and two high-definition cameras (5) being installed in the upper end of top frame (3) and being dispersedly arranged, it is characterized in that, The guide mechanism is arranged between the table body (1) and the material guide frame (101) to prevent the workpiece from being damaged and to stably arrange the material.

2. The reject mechanism for a vision inspection apparatus according to claim 1, wherein The guide mechanism comprises a material outlet bracket (7) fixed to the left side of the front end of the table body (1), a material guide slide rail (8) installed between the material outlet of the middle part of the material guide frame (101) and the upper end of the material outlet bracket (7), and a prompt part arranged between the material guide frame (101) and the material guide slide rail (8) to remind the material outlet.

3. The reject mechanism for a vision inspection apparatus according to claim 2, wherein The prompt part comprises a photoelectric sensor (10) installed at the tail end of the material guide slide rail (8) and located above the material outlet bracket (7), a microcomputer controller (9) installed on the right side of the front end of the material guide frame (101), and a prompt light (901) and a buzzer (902) installed at the front end of the microcomputer controller (9).

4. The reject mechanism for a vision inspection apparatus according to claim 3, wherein The output end of the photoelectric sensor (10) is electrically connected with the input end of the microcomputer controller (9), and the output end of the microcomputer controller (9) is electrically connected with the input end of the prompt light (901) and the buzzer (902) respectively.

5. The reject mechanism for a vision inspection apparatus according to claim 1, wherein The front end of the top frame (3) is provided with a lighting lamp strip (6) with the irradiation area distributed forward.

6. The reject mechanism for a vision inspection apparatus according to claim 1, wherein The lower end of the table body (1) is fixedly connected with four outwardly protruding mounting rib plates (102), and mounting holes are formed in the mounting rib plates (102).

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