Rubber sheet surface defect detection equipment

Abstract

The utility model discloses rubber sheet surface defect detection equipment, which relates to the technical field of surface defect detection and comprises an equipment base, an equipment shell fixedly mounted on the equipment base, a detection camera fixedly mounted in the equipment shell, an inlet / outlet formed in the equipment shell and a feeding mechanism mounted in the equipment shell. The feeding mechanism comprises an electric push rod fixedly installed in the equipment shell, positioning sliding rails are fixedly installed on the inner walls of the two sides of the equipment shell, a feeding base is movably installed on the positioning sliding rails, a connecting support is fixedly installed at the bottom of the feeding base, and the output tail end of the electric push rod is fixedly installed on the connecting support. And a stretching mechanism is mounted on the feeding base. According to the rubber sheet surface defect detection equipment, through cooperative use of the feeding mechanism and the stretching mechanism, a rubber sheet can be stretched, original tiny cracks on the surface of the rubber sheet can become larger after the rubber sheet is stretched again, a visual detection system can conveniently recognize the cracks, and the detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface defect detection technical field, concretely is rubber sheet surface defect detection equipment. BACKGROUND

[0002] Visual inspection system, also known as machine vision system, is an automatic quality detection machine. Visual inspection system is a kind of technology that simulates the function of human vision by using optical imaging, digital signal processing and computer technology to automatically detect and analyze target objects. It uses cameras, lenses, light sources and other combinations to convert the target to be detected into image signals, which are transmitted to a dedicated image processing system. The system converts these signals into digital signals based on pixel distribution, brightness, color and other information, and performs various operations to extract the characteristics of the target and detect product defects.

[0003] In the production process of rubber sheet, the surface of the product may have some flaws and defects. In order to ensure the quality, advanced visual inspection system is usually used to carefully check these rubber sheets. However, since there are sometimes very tiny cracks on the surface of the rubber sheet, these small crack features are often difficult to be accurately captured by the camera. In this case, the detection accuracy of the visual inspection system is affected, thereby reducing the overall detection efficiency and accuracy. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing rubber sheet surface defect detection equipment to solve the problems in prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: rubber sheet surface defect detection equipment, including equipment base, fixedly installed with equipment shell on the equipment base, fixedly installed with detection camera in the equipment shell, the inlet and outlet are set up on the equipment shell, the feeding mechanism is installed in the equipment shell, the feeding mechanism includes electric push rod fixedly installed in the equipment shell, the positioning slide rail is fixedly installed on the inner wall of both sides of the equipment shell, the feeding base is movably installed on the positioning slide rail, the connecting support is fixedly installed on the bottom of the feeding base, and the output end of the electric push rod is fixedly installed on the connecting support, and the stretching mechanism is installed on the feeding base.

[0006] Preferably, mounting grooves are formed on both sides of the feeding base, sliding notches are formed on the upper surface of the feeding base, and mounting holes are formed at the middle position of the feeding base.

[0007] Preferably, the output end of the electric push rod is provided with a bolt, and the connecting support is fixedly installed on the output end of the electric push rod through the bolt.

[0008] Preferably, the feeding base is slidably mounted on the positioning slide rail through a mounting sliding groove, the feeding base is movably mounted in the equipment shell through the positioning slide rail, and the feeding base extends out of the equipment shell through the import and export.

[0009] Preferably, the stretching mechanism comprises a rack fixedly mounted in the equipment shell and a movable shaft rotatably mounted in the mounting hole, one end of the rack extends out of the equipment shell, a driving lead screw is rotatably mounted in the feeding base, a lead screw nut is rotatably mounted on the driving lead screw, and a part of the lead screw nut extends out of the feeding base through a sliding opening, a positioning clamp is fixedly mounted on the lead screw nut, a bevel gear is fixedly mounted at one end of the driving lead screw, a bevel disc is fixedly mounted on the movable shaft, and the bevel disc and the bevel gear are meshed together, and a pinion is fixedly mounted at the lower end of the movable shaft.

[0010] Preferably, a bearing is arranged in the mounting hole, the movable shaft is rotatably mounted in the mounting hole through the bearing, and a retainer is arranged in the feeding base, and the driving lead screw is rotatably mounted in the feeding base through the retainer.

[0011] Preferably, the pinion is rotatably mounted on one side of the rack through the movable shaft, and the pinion and the rack are meshed together, and the positioning clamp is slidably mounted on the upper surface of the feeding base through the lead screw nut.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. After the output end of the electric push rod is extended, the push connection support moves forward, thereby driving the feeding base to extend out of the equipment shell. The extension of the feeding base enables the rubber sheet to be fixed on the positioning clamp. Then, the contraction of the electric push rod moves the rubber sheet and the feeding base to the inside of the equipment shell and below the detection camera, so that the camera can capture the image of the rubber sheet.

[0014] 2. During the entering process of the feeding base, the pinion rolls along the rack, thereby driving the movable shaft to rotate. The rotation of the movable shaft drives the bevel disc to rotate, and the rotation of the bevel disc drives the bevel gear to rotate. The rotation of the bevel gear further drives the driving lead screw to rotate, and the rotation of the driving lead screw drives the lead screw nut to slide. The sliding of the lead screw nut causes the positioning clamps to separate from each other, thereby stretching the rubber sheet. After the rubber sheet is stretched, the original small cracks on the surface of the rubber sheet are enlarged, so that the visual detection system can identify the cracks, thereby improving the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the feeding mechanism of this utility model;

[0018] Figure 4 This is a schematic diagram of the tensioning mechanism of this utility model;

[0019] Figure 5 This utility model Figure 4 Enlarged view of point A in the middle.

[0020] The following are the labeling elements in the diagram: 1. Equipment base; 2. Inspection camera; 3. Equipment casing; 4. Inlet / outlet; 5. Feeding mechanism; 501. Positioning slide rail; 502. Feeding base; 503. Sliding notch; 504. Mounting hole; 505. Mounting groove; 506. Electric push rod; 507. Connecting support; 6. Tensioning mechanism; 601. Positioning clamp; 602. Movable shaft; 603. Rack; 604. Drive screw; 605. Screw nut; 606. Pinion; 607. Helical gear; 608. Helical gear plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0022] like Figure 1 and Figure 2 As shown, this utility model provides a technical solution for a rubber sheet surface defect detection device, including a device base 1, a device housing 3 fixedly installed on the device base 1, a detection camera 2 fixedly installed inside the device housing 3, an inlet and outlet 4 opened on the device housing 3, a feeding mechanism 5 installed inside the device housing 3, and a stretching mechanism 6 installed on the feeding base 502. Through the cooperation of the feeding mechanism 5 and the stretching mechanism 6, the rubber sheet can be stretched. After the rubber sheet is stretched, the originally tiny cracks on the surface will become larger, which is convenient for the visual inspection system to identify and improve the detection accuracy.

[0023] like Figure 2 and Figure 3As shown, the feeding mechanism 5 includes a motor-driven push rod 506 fixedly installed in the equipment shell 3, positioning slide rails 501 fixedly installed on the inner walls of both sides of the equipment shell 3, a feeding base 502 movably installed on the positioning slide rails 501, a connecting support 507 fixedly installed at the bottom of the feeding base 502, and the output end of the motor-driven push rod 506 fixedly installed on the connecting support 507. The feeding base 502 is provided with installation sliding grooves 505 on both sides thereof, a sliding gap 503 is formed on the upper surface of the feeding base 502, and an installation hole 504 is formed at the middle position of the feeding base 502. The output end of the motor-driven push rod 506 is provided with a bolt, and the connecting support 507 is fixedly installed on the output end of the motor-driven push rod 506 through the bolt.

[0024] Specifically, the motor-driven push rod 506 can push the connecting support 507 to move forward. After the connecting support 507 moves forward, it further drives the feeding base 502 to move forward until the feeding base 502 completely extends out of the equipment shell 3. Once the feeding base 502 successfully extends out of the equipment shell 3, the next step of accurately fixing the rubber sheet on the positioning clamp 601 can be performed. After the rubber sheet is properly fixed on the positioning clamp 601, the motor-driven push rod 506 can be retracted. During the retraction of the motor-driven push rod 506, the rubber sheet on the feeding base 502 moves backward together until the rubber sheet is moved into the equipment shell 3. At this time, the position of the rubber sheet is just below the detection camera 2, thereby facilitating the detection camera 2 to take pictures and capture the image of the rubber sheet for subsequent quality detection or analysis.

[0025] As shown in Figure 2 , Figure 4 and Figure 5 , the stretching mechanism 6 includes a rack 603 fixedly installed in the equipment shell 3 and a movable shaft 602 rotatably installed in the installation hole 504. One end of the rack 603 extends out of the equipment shell 3. A drive screw 604 is rotatably installed in the feeding base 502. A screw nut 605 is rotatably installed on the drive screw 604. A part of the screw nut 605 extends out of the feeding base 502 through the sliding gap 503. A positioning clamp 601 is fixedly installed on the screw nut 605. An inclined gear 607 is fixedly installed at one end of the drive screw 604. An inclined gear disc 608 is fixedly installed on the movable shaft 602 and engages with the inclined gear 607. A pinion 606 is fixedly installed at the lower end of the movable shaft 602. A bearing is arranged in the installation hole 504, and the movable shaft 602 is rotatably installed in the installation hole 504 through the bearing. A retainer is arranged in the feeding base 502, and the drive screw 604 is rotatably installed in the feeding base 502 through the retainer.

[0026] Specifically, in the process of the feeding base 502 entering the equipment shell 3, the pinion 606 will roll along the rack 603. With the rolling of the pinion 606, the movable shaft 602 starts to rotate, and the rotating action of the movable shaft 602 further drives the rotation of the bevel gear plate 608. While the bevel gear plate 608 rotates, the bevel gear 607 also starts to rotate. The rotating action of the bevel gear 607 is further transmitted to the drive lead screw 604, and the drive lead screw 604 rotates accordingly. The rotation of the drive lead screw 604 causes the lead screw nut 605 to slide along the drive lead screw 604. During the sliding process of the lead screw nut 605, the various positioning clamps 601 are pushed away from each other, thereby stretching the rubber sheet. After the rubber sheet is stretched, the originally tiny cracks on the surface of the rubber sheet become larger, which provides clearer identification conditions for the visual detection system, thereby effectively improving the detection accuracy.

[0027] Working principle: when in use, first control the output end of the electric push rod 506 to extend, and after the output end of the electric push rod 506 extends, it will push the connecting support 507 to move forward, and after the connecting support 507 moves forward, it will drive the feeding base 502 to extend out of the equipment shell 3, so that the rubber sheet can be fixed on the positioning clamp 601. After the rubber sheet is fixed on the positioning clamp 601, the electric push rod 506 can be retracted, and after the electric push rod 506 is retracted, it will drive the rubber sheet on the feeding base 502 to move to the position below the detection camera 2 in the equipment shell 3, so as to shoot the image of the rubber sheet by using the detection camera 2. The image of the rubber sheet is converted into an image signal and transmitted to a dedicated image processing system, thereby completing the detection of the rubber sheet. And in the process of the feeding base 502 entering the equipment shell 3, the pinion 606 will roll along the rack 603, thereby driving the movable shaft 602 to rotate, and after the movable shaft 602 rotates, it will drive the bevel gear plate 608 to rotate. During the rotation of the bevel gear plate 608, the bevel gear 607 is driven to rotate, and during the rotation of the bevel gear 607, the drive lead screw 604 is driven to rotate. During the rotation of the drive lead screw 604, the lead screw nut 605 slides along the drive lead screw 604, and during the sliding process of the lead screw nut 605, the various positioning clamps 601 are driven to move away from each other, thereby stretching the rubber sheet. After the rubber sheet is stretched, the originally tiny cracks on the surface of the rubber sheet become larger, which facilitates the identification of the visual detection system and improves the detection accuracy.

[0028] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A rubber sheet surface defect detection device, comprising a device base (1), a device housing (3) fixedly mounted on the device base (1), a detection camera (2) fixedly mounted inside the device housing (3), and an inlet / outlet (4) provided on the device housing (3), characterized in that: The equipment housing (3) is equipped with a feeding mechanism (5). The feeding mechanism (5) includes an electric push rod (506) fixedly installed inside the equipment housing (3). Positioning slide rails (501) are fixedly installed on the inner walls of both sides of the equipment housing (3). A feeding base (502) is movably installed on the positioning slide rails (501). A connecting support (507) is fixedly installed at the bottom of the feeding base (502). The output end of the electric push rod (506) is fixedly installed on the connecting support (507). A tensioning mechanism (6) is installed on the feeding base (502).

2. The rubber sheet surface defect detection device according to claim 1, characterized in that: The feeding base (502) has mounting grooves (505) on both sides, a sliding notch (503) on the upper surface of the feeding base (502), and a mounting hole (504) in the middle position of the feeding base (502).

3. The rubber sheet surface defect detection device according to claim 2, characterized in that: The output end of the electric push rod (506) is provided with a bolt, and the connecting support (507) is fixedly installed on the output end of the electric push rod (506) by the bolt.

4. The rubber sheet surface defect detection device according to claim 3, characterized in that: The feeding base (502) is slidably mounted on the positioning slide rail (501) via the mounting slide rail (505). The feeding base (502) is movably mounted inside the equipment housing (3) via the positioning slide rail (501). The feeding base (502) extends out of the equipment housing (3) via the inlet and outlet (4).

5. The rubber sheet surface defect detection device according to claim 4, characterized in that: The stretching mechanism (6) includes a rack (603) fixedly installed inside the equipment housing (3) and a movable shaft (602) rotatably installed inside the mounting hole (504). One end of the rack (603) extends out of the equipment housing (3). A drive screw (604) is rotatably installed inside the feeding base (502). A screw nut (605) is rotatably installed on the drive screw (604), and a part of the screw nut (605) extends out of the feeding base (502) through a sliding notch (503). A positioning clamp (601) is fixedly installed on the screw nut (605). A helical gear (607) is fixedly installed at one end of the drive screw (604). A helical gear disk (608) is fixedly installed on the movable shaft (602), and the helical gear disk (608) meshes with the helical gear (607). A pinion (606) is fixedly installed at the lower end of the movable shaft (602).

6. The rubber sheet surface defect detection device according to claim 5, characterized in that: The mounting hole (504) is provided with a bearing, and the movable shaft (602) is rotatably mounted in the mounting hole (504) through the bearing. The feeding base (502) is provided with a retainer, and the drive screw (604) is rotatably mounted in the feeding base (502) through the retainer.

7. The rubber sheet surface defect detection device according to claim 6, characterized in that: The pinion (606) is rotatably mounted on one side of the rack (603) via the movable shaft (602), and the pinion (606) meshes with the rack (603). The positioning fixture (601) is slidably mounted on the upper surface of the loading base (502) via the lead screw nut (605).

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