Ceramic tile sorting equipment

Abstract

The utility model discloses ceramic tile sorting equipment, which comprises a rack, a conveying assembly, a first detection assembly and a second detection assembly, the first detection assembly comprises a first detection frame and a first image collector arranged on the first detection frame, and the first image collector is arranged above a conveying belt; the first detection assembly is arranged on the conveying belt, the second detection assembly is arranged on the side portion of the first detection assembly and comprises a second detection frame and a second image collector arranged on the second detection frame, the second image collector is arranged above the conveying belt, the first image collector is a CMOS camera, and the second image collector is a CIS camera. By adopting the ceramic tile surface defect detection device, the surface defects of ceramic tiles can be detected, various defects can be detected, and the ceramic tile surface defect detection device has relatively strong detection capability and screening capability.

Description

Technical Field

[0001] The utility model relates to the technical field of tile production equipment, in particular to a tile picking device. Background Art

[0002] During the production process of ceramic tiles, the quality of the tiles needs to be tested and screened, qualified tiles are selected, and unqualified tiles are placed in the unqualified area. Traditional enterprises usually use ceramic tile picking equipment to perform the above-mentioned testing and screening process on ceramic tiles. Traditional ceramic tile picking equipment is usually equipped with a transmission belt and multiple sensors above the conveyor belt. The tiles are placed on the conveyor belt for transportation. The sensors are used to detect the width, length, surface flatness and other surface shapes and sizes of the tiles. However, the current ceramic tile picking equipment cannot detect surface defects such as concave glaze, glaze peeling, pits, pinholes, ink deficiency, image displacement, etc. of ceramic tiles, and lacks the ability to conduct in-depth testing and screening. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a tile picking device which can detect surface defects of tiles and can detect multiple defects, and has strong detection and screening capabilities.

[0004] In order to solve the above technical problems, the utility model provides a tile picking device for detecting tiles, comprising a frame, a conveying assembly, a first detection assembly and a second detection assembly, the frame comprising a feed end and a discharge end, the conveying assembly comprising a conveying drive and a conveyor belt, the conveying drive is transmission-connected to the conveyor belt, the conveyor belt extends from the feed end to the discharge end, and the conveying drive can drive the conveyor belt to circulate between the feed end and the discharge end.

[0005] The first detection component includes a first detection frame and a first image collector arranged on the first detection frame, and the first image collector is arranged above the conveyor belt. The second detection component is arranged on the side of the first detection component. The second detection component includes a second detection frame and a second image collector arranged on the second detection frame, and the second image collector is arranged above the conveyor belt.

[0006] As an improvement of the above scheme, a positioning plate and a first connecting plate are provided on the top of the first detection frame, a vertical adjustment hole is provided on the positioning plate, the first connecting plate is connected to the vertical adjustment hole, the first connecting plate can move vertically along the vertical adjustment hole, and the first image collector is connected to the first connecting plate.

[0007] As an improvement of the above scheme, the first detection component also includes a first adjustment plate, on which a first hinge hole and a first adjustment hole are provided, the first adjustment hole is arc-shaped, the first hinge hole is located at the arc center of the first adjustment hole, the first adjustment plate is fixed to the first connecting plate through the first hinge hole and the first adjustment hole, and the first image collector is fixed to the first adjustment plate.

[0008] As an improvement of the above solution, the first image collector is a CMOS camera, and the collection port of the first image collector faces the conveyor belt.

[0009] As an improvement of the above scheme, the first detection component also includes a first light source, and a second connecting plate and a second adjustment plate are provided at the bottom of the first detection frame, the second connecting plate spans across both sides of the conveyor belt, the second adjustment plate is provided at both ends of the second connecting plate and is vertically arranged, the first light source is fixed on the second connecting plate, and the light emitting surface of the first light source faces the conveyor belt.

[0010] The second adjustment plate is provided with a second hinge hole and a second adjustment hole, the second adjustment hole is arc-shaped, the second hinge hole is located at the arc center of the second adjustment hole, and the second adjustment plate is fixed to the second connecting plate through the second hinge hole and the second adjustment hole.

[0011] As an improvement of the above scheme, the second detection component also includes a lifting drive member, a lifting screw and a lifting plate, the lifting screw is vertically arranged, the movable end of the lifting drive member is connected to the lifting screw, the bottom of the lifting screw is connected to the lifting plate, and the second image collector is fixed on the lifting plate.

[0012] As an improvement of the above solution, the second image collector is a CIS camera, and the collection port of the second image collector faces the conveyor belt.

[0013] As an improvement of the above scheme, the second detection component also includes a second light source, and a third connecting plate and a third adjustment plate are provided at the bottom of the second detection frame, the third connecting plate spans across both sides of the conveyor belt, and the third adjustment plate is provided at both ends of the third connecting plate and is vertically arranged, the second light source is fixed on the third connecting plate, and the light emitting surface of the second light source faces the conveyor belt.

[0014] The third adjustment plate is provided with a third hinge hole and a third adjustment hole, the third adjustment hole is arc-shaped, the third hinge hole is located at the arc center of the third adjustment hole, and the third adjustment plate is fixed to the third connecting plate through the third hinge hole and the third adjustment hole.

[0015] As an improvement of the above-mentioned scheme, the tile picking equipment also includes a centering component, which is arranged at one end of the transmission belt close to the feed end. The centering component includes a centering frame spanning both sides of the conveyor belt, a first centering mechanism and a second centering mechanism arranged on the centering frame, the first centering mechanism includes a first centering drive and a first baffle plate transmission-connected to the first centering drive member, the second centering mechanism includes a second centering drive member and a second baffle plate transmission-connected to the second centering drive member, the first baffle plate and the second baffle plate are respectively located on both sides of the conveyor belt, and the first centering drive member and the second centering drive member can respectively drive the first baffle plate and the second baffle plate to approach or move away from each other.

[0016] As an improvement of the above scheme, the centering assembly also includes a synchronization mechanism, which includes a first rack, a second rack and a gear. The first rack and the second rack are arranged in parallel on opposite sides of the gear and are meshed with the gear at the same time. The first rack extends from the middle of the conveyor belt to the side and is connected to the first baffle, and the second rack extends from the middle of the conveyor belt to the side and is connected to the second baffle.

[0017] The gear is located in the middle of the centering frame, and the synchronization mechanism further includes an oil receiving pan, which is arranged below the gear.

[0018] The implementation of this utility model has the following beneficial effects:

[0019] The utility model ceramic tile picking equipment is provided with a frame, a conveying component, a first detection component and a second detection component, the conveying component includes a conveyor belt, the conveyor belt conveys the ceramic tiles from the feeding end of the frame to the discharging end, during this process, the first detection component and the second detection component respectively detect the ceramic tiles, the first detection component includes a first image collector, the second detection component includes a second image collector, the first image collector and the second image collector can take pictures of the ceramic tiles, wherein the first image collector can detect defects that cannot be directly observed, such as pits and glaze shrinkage, while the second image collector can take pictures of defects that can be directly observed, such as broken edges, broken corners, cracks, rotten bricks, scratches, pinholes, caves, glaze defects, dirt, white polishing, polishing marks, etc., through the cooperation of the first image collector and the second image collector, most of the surface defects of the ceramic tiles can be detected, and the surface conditions of the ceramic tiles can be graded after the detection, so it has strong detection and screening capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model of tile picking equipment;

[0021] Figure 2 It is a structural schematic diagram of the first detection component of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the second detection component of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the centering component of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail with reference to the accompanying drawings. It is hereby stated that the directional words such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the utility model are only based on the accompanying drawings of the utility model, and are not specific limitations of the utility model.

[0025] See also Figure 1 The utility model embodiment discloses a tile picking device, including a frame 1, a conveying component 2, a first detection component 3 and a second detection component 4, the frame 1 includes a feed end 11 and a discharge end 12, the tiles enter from the feed end 11, and are transported out from the discharge end 12 after detection and grading, the conveying component 2 includes a conveying drive 21 and a conveyor belt 22, the conveying drive 21 is transmission-connected to the conveyor belt 22, the conveying drive 21 is preferably a rotating motor, the conveyor belt 22 is wound between the feed end 11 and the discharge end 12, the conveyor belt 22 extends from the feed end 11 to the discharge end 12, the conveying drive 21 can drive the conveyor belt 22 to circulate between the feed end 11 and the discharge end 12, so as to move the tiles from the feed end 11 through the first detection component 3 and the second detection component 4 to the discharge end 12.

[0026] The first detection component 3 includes a first detection frame 31 and a first image collector 32 arranged on the first detection frame 31. The first image collector 32 is arranged above the conveyor belt 22, and can collect images and process image information of the tiles on the conveyor belt 22. The second detection component 4 is arranged on the side of the first detection component 3. The tiles enter the second detection component 4 after being detected by the first detection component 3. The second detection component 4 includes a second detection frame 41 and a second image collector 42 arranged on the second detection frame 41. The second image collector 42 is arranged above the conveyor belt 22, and can collect images and detect surface defects of the tiles on the conveyor belt 22. Among them, the first image collector 32 can take pictures of tiles, and the obtained images can be processed to extract information on surface defect types that are difficult to directly observe with the naked eye, such as pits and glaze shrinkage. The second image collector 42 can take pictures of tiles and can directly identify surface defect types that can be directly observed, such as broken edges, broken corners, cracks, rotten bricks, scratches, pinholes, caves, glaze defects, dirt, white polishing, and polishing marks. After being processed by the first image collector 32 and the second image collector 42, the tiles can be graded by combining the surface defect information of the two.

[0027] The beneficial effects of the embodiments of the utility model are as follows:

[0028] The tile picking device of the embodiment of the utility model is provided with a frame 1, a conveying component 2, a first detection component 3 and a second detection component 4, the conveying component 2 includes a conveyor belt 22, the conveyor belt 22 transports the tiles from the feeding end 11 of the frame 1 to the discharging end 12, during this process, the first detection component 3 and the second detection component 4 respectively detect the tiles, the first detection component 3 includes a first image collector 32, the second detection component 4 includes a second image collector 42, the first image collector 32 and the second image collector 42 can take pictures of the tiles, wherein the first image collector 32 can detect defects that cannot be directly observed, such as pits and glaze shrinkage, while the second image collector 42 can take pictures of defects that can be directly observed, such as broken edges, broken corners, cracks, rotten bricks, scratches, pinholes, caves, glaze defects, dirt, whitening, and polishing marks, etc., through the cooperation of the first image collector 32 and the second image collector 42, most of the surface defects of the tiles can be detected, and the surface conditions of the tiles can be graded after the detection, so it has strong detection and screening capabilities.

[0029] In the embodiment of the utility model, the first image collector 32 is a CMOS camera, and the acquisition port of the first image collector 32 faces the conveyor belt 22. The second image collector 42 is a CI S camera, and the acquisition port of the second image collector 42 faces the conveyor belt 22. The CMOS camera is a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor) camera, which uses complementary metal oxide semiconductor as a sensor and has the advantages of high resolution, high sensitivity and real-time imaging, and can capture the glaze defects, brick surface defects and pattern defects such as pits and glaze shrinkage on the surface of ceramic tiles that are difficult to observe. The CIS camera is a contact image sensor (Contact Image Sensor) camera, which has the characteristics of small size and high integration. It is simpler than traditional CCD cameras and has relatively low requirements for installation space and component matching. Since the CIS camera is based on photosensitive semiconductor devices, it can accurately capture easily observable glaze defects on the surface of tiles, such as dirt, white polishing, polishing marks, etc., brick surface defects such as glaze lack, pinholes, caves, scratches, edge collapse, corner collapse, cracks, rotten bricks, and pattern defects such as white edges, white spots, black spots, heavy flowers, green spots, etc., and can therefore detect most of the surface defects of tiles.

[0030] CMOS cameras are usually small in size and cover a small area. Multiple first image collectors 32 can be selected according to the size of the ceramics to be inspected, and finally the images collected by the multiple first image collectors 32 are synthesized to form a complete tile image. CI S cameras are usually long strips and can directly cover the width of the tile. During the operation of the tile, a single second image collector 42 can complete the image acquisition of a single tile.

[0031] Specifically, see Figure 2 A positioning plate 33 and a first connecting plate 34 are provided on the top of the first detection frame 31. The positioning plate 33 and the first connecting plate 34 are used to connect the first image collector 32. A vertical adjustment hole 331 is vertically arranged on the positioning plate 33. The first connecting plate 34 is connected to the vertical adjustment hole 331 by fasteners such as bolts. The first connecting plate 34 can move vertically along the vertical adjustment hole 331, and the height of the first connecting plate 34 can be adjusted. The first image collector 32 is connected to the first connecting plate 34, so the height of the first image collector 32 can be adjusted to adjust the image acquisition effect of the first image collector 32.

[0032] Furthermore, the first detection component 3 further comprises a first adjustment plate 35, on which a first hinge hole 351 and a first adjustment hole 352 are provided, the first adjustment hole 352 is arc-shaped, the first hinge hole 351 is located at the arc center of the first adjustment hole 352, and the first adjustment plate 35 is fixed to the first connecting plate 34 through the first hinge hole 351 and the first adjustment hole 352 by means of fasteners such as bolts, and the first image collector 32 is fixed to the first adjustment plate 35. When the connection between the first adjustment hole 352 and the first hinge hole 351 is loosened, the first adjustment plate 35 can be rotated around the first hinge hole 351, thereby adjusting the orientation angle of the collection port of the first image collector 32, and obtaining a better image collection effect.

[0033] In order to obtain a bright and clear image, the first detection assembly 3 further includes a first light source 36, which is used to illuminate the tiles. A second connecting plate 37 and a second adjusting plate 38 are provided at the bottom of the first detection frame 31. The second connecting plate 37 spans across the two sides of the conveyor belt 22. The second adjusting plates 38 are provided at both ends of the second connecting plate 37 and are vertically arranged. The first light source 36 is fixed on the second connecting plate 37. The light emitting surface of the first light source 36 faces the conveyor belt 22. The first light source 36 is distributed along the length direction of the second connecting plate 37, and can cover the entire width of the tiles above the tiles to obtain a comprehensive and clear lighting effect. Further, a second hinge hole 381 and a second adjusting hole 382 are provided on the second adjusting plate 38. The second adjusting hole 382 is in an arc shape. The second hinge hole 381 is located at the arc center of the second adjusting hole 382. The second adjusting plate 38 is fixed to the second connecting plate 37 through the second hinge hole 381 and the second adjusting hole 382 by fasteners such as bolts. After loosening the fastener, the second adjustment plate 38 is swung around the second hinge hole 381 to adjust the light emitting direction of the first light source 36, thereby obtaining a better lighting effect.

[0034] See also Figure 3 The second detection assembly 4 further includes a lifting drive member 43, a lifting screw rod 44 and a lifting plate 45. The lifting screw rod 44 is vertically arranged, the movable end of the lifting drive member 43 is connected to the lifting screw rod 44, the bottom of the lifting screw rod 44 is connected to the lifting plate 45, and the second image collector 42 is fixed on the lifting plate 45. The lifting drive member 43 can be used to lift the second image collector 42, so as to adjust the focal length and image acquisition range of the second image collector 42.

[0035] The second detection assembly 4 also includes a second light source 46. A third connecting plate 47 and a third adjusting plate 48 are provided at the bottom of the second detection frame 41. The third connecting plate 47 spans across the two sides of the conveyor belt 22. The third adjusting plate 48 is provided at both ends of the third connecting plate 47 and is vertically arranged. The second light source 46 is fixed on the third connecting plate 47. The light emitting surface of the second light source 46 faces the conveyor belt 22. The second light source 46 can illuminate the tiles so that the second image collector 42 can collect images. The third adjusting plate 48 is provided with a third hinge hole 481 and a third adjusting hole 482. The third adjusting hole 482 is in an arc shape. The third hinge hole 481 is located at the arc center of the third adjusting hole 482. The third adjusting plate 48 is fixed to the third connecting plate 47 through the third hinge hole 481 and the third adjusting hole 482 by fasteners such as bolts. After loosening the fastener, the third adjustment plate 48 is swung around the third hinge hole 481 to adjust the light emitting direction of the second light source 46, thereby obtaining a better lighting effect.

[0036] See also Figure 4 In order to ensure the accuracy of image acquisition, the tile picking device also includes a centering component 5, which is arranged at one end of the transmission belt close to the feeding end 11, and can center and limit the tiles before entering the first detection component 3 and the second detection component 4. The centering component 5 includes a centering frame 51 spanning both sides of the conveyor belt 22, a first centering mechanism 52 and a second centering mechanism 53 arranged on the centering frame 51, the first centering mechanism 52 includes a first centering drive member 521 and a first baffle 522 connected to the first centering drive member 521, and the second centering mechanism 53 includes a second The first centering drive member 521 and the second centering drive member 531 are preferably linear cylinders, and the first baffle plate 522 and the second baffle plate 532 are respectively located on both sides of the conveyor belt 22. The first centering drive member 521 and the second centering drive member 531 can respectively drive the first baffle plate 522 and the second baffle plate 532 to move closer to or away from each other, thereby centering the tiles from both sides of the tiles at the same time to ensure that the tiles are accurately positioned before entering the first detection component 3 and the second detection component 4.

[0037] Furthermore, the centering component 5 also includes a synchronization mechanism 54, which includes a first rack 541, a second rack 542 and a gear 543. The first rack 541 and the second rack 542 are arranged in parallel on opposite sides of the gear 543 and are meshed with the gear 543 at the same time. The first rack 541 extends from the middle of the conveyor belt 22 to the side and is connected to the first baffle 522. The second rack 542 extends from the middle of the conveyor belt 22 to the side and is connected to the second baffle 532. Therefore, when the first centering drive 521 drives the first baffle 522 to move, the first baffle 522 will drive the gear 543 to rotate through the first rack 541, and the gear 543 will drive the second rack 542 to move the same distance. The second rack 542 can limit the moving distance of the second centering drive 531 to drive the second baffle 532, thereby ensuring that the first baffle 522 and the second baffle 532 move the same distance to achieve the centering effect. The gear 543 is located in the middle of the centering frame 51, and the synchronization mechanism 54 also includes an oil receiving pan 544, which is located below the gear 543. The oil receiving pan 544 can receive the lubricating oil dripping from the gear 543 and the first rack 541 and the second rack 542 when they are meshing to prevent contamination of the tile surface.

[0038] The above are preferred implementations of the present utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications are also considered to be within the protection scope of the present utility model.

Claims

1. A tile picking device for testing tiles, characterized in that: The machine comprises a frame, a conveying assembly, a first detection assembly and a second detection assembly, wherein the frame comprises a feed end and a discharge end, the conveying assembly comprises a conveying drive and a conveyor belt, the conveying drive is in driving connection with the conveyor belt, the conveyor belt extends from the feed end to the discharge end, and the conveying drive can drive the conveyor belt to circulate and rotate between the feed end and the discharge end; The first detection component includes a first detection frame and a first image collector arranged on the first detection frame, and the first image collector is arranged above the conveyor belt. The second detection component is arranged on the side of the first detection component. The second detection component includes a second detection frame and a second image collector arranged on the second detection frame, and the second image collector is arranged above the conveyor belt.

2. The tile picking device according to claim 1, characterized in that: A positioning plate and a first connecting plate are provided on the top of the first detection frame. A vertical adjustment hole is provided on the positioning plate. The first connecting plate is connected to the vertical adjustment hole. The first connecting plate can move vertically along the vertical adjustment hole. The first image collector is connected to the first connecting plate.

3. The tile picking device according to claim 2, characterized in that: The first detection component also includes a first adjustment plate, on which a first hinge hole and a first adjustment hole are provided. The first adjustment hole is arc-shaped and is located at the arc center of the first adjustment hole. The first adjustment plate is fixed to the first connecting plate through the first hinge hole and the first adjustment hole, and the first image collector is fixed to the first adjustment plate.

4. The tile picking device according to claim 1, characterized in that: The first image collector is a CMOS camera, and a collection port of the first image collector faces the conveyor belt.

5. The tile picking device according to claim 1, characterized in that: The first detection assembly further includes a first light source, a second connecting plate and a second adjusting plate are provided at the bottom of the first detection frame, the second connecting plate spans across both sides of the conveyor belt, the second adjusting plates are provided at both ends of the second connecting plate and are vertically arranged, the first light source is fixed on the second connecting plate, and the light emitting surface of the first light source faces the conveyor belt; The second adjustment plate is provided with a second hinge hole and a second adjustment hole, the second adjustment hole is arc-shaped, the second hinge hole is located at the arc center of the second adjustment hole, and the second adjustment plate is fixed to the second connecting plate through the second hinge hole and the second adjustment hole.

6. The tile picking device according to claim 1, characterized in that: The second detection component also includes a lifting drive member, a lifting screw and a lifting plate. The lifting screw is vertically arranged, the movable end of the lifting drive member is connected to the lifting screw, the bottom of the lifting screw is connected to the lifting plate, and the second image collector is fixed on the lifting plate.

7. The tile picking device according to claim 6, characterized in that: The second image collector is a CIS camera, and a collection port of the second image collector faces the conveyor belt.

8. The tile picking device according to claim 6, characterized in that: The second detection assembly further includes a second light source, a third connecting plate and a third adjusting plate are provided at the bottom of the second detection frame, the third connecting plate spans across both sides of the conveyor belt, the third adjusting plate is provided at both ends of the third connecting plate and is vertically arranged, the second light source is fixed on the third connecting plate, and the light emitting surface of the second light source faces the conveyor belt; The third adjustment plate is provided with a third hinge hole and a third adjustment hole, the third adjustment hole is arc-shaped, the third hinge hole is located at the arc center of the third adjustment hole, and the third adjustment plate is fixed to the third connecting plate through the third hinge hole and the third adjustment hole.

9. The tile picking device according to claim 1, characterized in that: The tile picking equipment also includes a centering component, which is arranged at one end of the conveyor belt close to the feed end. The centering component includes a centering frame spanning both sides of the conveyor belt, a first centering mechanism and a second centering mechanism arranged on the centering frame, the first centering mechanism includes a first centering drive and a first baffle plate transmission-connected to the first centering drive member, the second centering mechanism includes a second centering drive member and a second baffle plate transmission-connected to the second centering drive member, the first baffle plate and the second baffle plate are respectively located on both sides of the conveyor belt, and the first centering drive member and the second centering drive member can respectively drive the first baffle plate and the second baffle plate to approach or move away from each other.

10. The tile picking device according to claim 9, characterized in that: The centering assembly further includes a synchronization mechanism, which includes a first rack, a second rack and a gear, wherein the first rack and the second rack are arranged in parallel on opposite sides of the gear and mesh with the gear at the same time, the first rack extends from the middle of the conveyor belt to the side and is connected to the first baffle, and the second rack extends from the middle of the conveyor belt to the side and is connected to the second baffle; The gear is located in the middle of the centering frame, and the synchronization mechanism further includes an oil receiving pan, which is arranged below the gear.

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