Automatic sorting device

Abstract

The utility model discloses an automatic sorting device which comprises a first machine frame, a second machine frame, a third machine frame, an air compressor, a negative pressure pump, a control device and a plurality of groups of air pipes. According to the ceramic tile sorting machine, the protective cover is arranged above the first rack, the second rack and the third rack, the vacuum suction cups used for sorting ceramic tiles are arranged in the protective cover, the sorting action and the action of the conveying belt on the first rack do not interfere with each other, continuous conveying of the conveying belt is not affected, and the purpose of continuous conveying is achieved; two sets of movable plates with a plurality of vacuum suction cups are arranged, the linear motor is matched with the sliding rail to drive the two sets of movable plates to sequentially move back and forth above the first rack and the second rack and above the third rack and the first rack, and when a plurality of tiles needing to be sorted out are found, the vacuum suction cups on the two sets of movable plates can continuously and sequentially act; and the conveyor belt on the first rack does not need to be stopped, so that the sorting efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tile production, in particular to an automatic sorting device. Background Art

[0002] In the existing tile production process, tiles of different colors are continuously fired in the same tunnel kiln. On the downstream conveyor line, tiles of different colors need to be sorted for easy packaging.

[0003] Usually, most of the automatic tile sorting and detection devices use the identification unit to set up a brick supporting device between the belts of the conveyor belt to sort the tiles to different conveyor belts. The brick supporting device of this structure is relatively complex and costly, and the efficiency of brick sorting is low. It cannot realize online continuous sorting. It is necessary to stop the conveyor belt frequently to avoid the accumulation of tiles. The efficiency of tile sorting is low. For this reason, there is a public technology on the market that proposes an automatic tile sorting and detection device. The automatic tile sorting and detection device includes: a driving platform; a conveying roller, which is arranged on the driving platform; a bracket, which is fixedly installed on the top of the driving platform; an optoelectronic recognition and detection device, which is assembled on the bracket and located above the conveying roller; a group of supporting mechanisms, which are all arranged on the driving platform for tile sorting; a group of discharging mechanisms, which are all arranged on the driving platform for tile discharging; a group of blocking mechanisms, which are respectively arranged on a group of discharging mechanisms to prevent tiles from falling. The disclosed technology claims that the automatic tile sorting and detection device it provides has the advantages of being able to achieve non-stop conveying operations and high sorting efficiency;

[0004] However, there are many drawbacks in the actual application of the above-mentioned public technology. First, after the support rod used to lift the tiles to be sorted rises, it must wait until there are no tiles passing below before it can be lowered, otherwise the tiles will be directly crushed, resulting in idle waiting time. Second, it uses an electric winch to drive a scraper to move the tiles to be sorted from the main transmission mechanism to another transmission mechanism. The action is too complicated and the speed is slow, which cannot keep up with the purpose of continuous transportation. Third, when it is found that there are two or more consecutive tiles that need to be sorted out, the public technology still needs to shut down the main transmission mechanism and wait for sorting. The above-mentioned defects result in that the technology cannot achieve non-stop transportation and the work efficiency is not high, and further improvement is needed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an automatic sorting device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic sorting device, including a first frame, a second frame, a third frame, an air compressor, a negative pressure pump, a control device and a plurality of air pipes, wherein the first frame, the second frame and the third frame are each provided with a conveyor belt for conveying materials, the second frame and the third frame are respectively arranged on the front and rear sides of the first frame in a front-to-back relative state, and the length directions of the second frame and the third frame are perpendicular to the length direction of the first frame, a material guiding structure for guiding materials is arranged on the inner side wall of the first frame and above the conveyor belt, a visual sensor is arranged on the rear wall of the first frame and near the left end through an adjustable bracket, and the visual sensor is located directly above the first frame and in contact with the third frame. A frame is aligned up and down in the middle position in the front and rear directions, and a protective cover is fixedly connected to the outer wall of the first frame through four groups of support columns. The protective cover covers the rear end of the second frame, the middle of the first frame and the front end of the third frame in a top view, and the upper wall inside the protective cover is slidably connected to a sliding seat through a longitudinal sliding structure, and a longitudinal displacement drive for driving the sliding seat to move forward and backward along the longitudinal sliding structure is arranged between the sliding seat and the protective cover, and two groups of movable plates are slidably connected to the lower wall of the sliding seat through a guide structure, and the two groups of movable plates are respectively close to the front and rear ends of the sliding seat, and a lifting drive structure for driving the movable plate to rise or fall is arranged between the movable plate and the sliding seat, and a plurality of adsorption structures for adsorbing materials are arranged on the lower wall of the movable plate.

[0007] As a further description of the above technical solution:

[0008] The material guiding structure includes two groups of material guiding frames, which are respectively fixedly connected to the inner front wall and the inner rear wall of the first frame and are both located above the conveyor belt. A bell mouth for facilitating the entry of materials is provided between the opposite sides of the two groups of material guiding frames and near the left end of the first frame.

[0009] As a further description of the above technical solution:

[0010] The longitudinal sliding structure includes two sets of slide rails, both sets of slide rails are fixedly connected to the inner upper wall of the protective cover and are respectively close to the left and right sides of the protective cover. The sliding seat is slidably connected to the lower walls of the two sets of slide rails, and the length direction of the slide rails is parallel to the length direction of the second rack and the third rack.

[0011] As a further description of the above technical solution:

[0012] The longitudinal displacement drive includes a linear motor and a motor track. The motor track is fixedly connected to the inner upper wall of the protective cover and is located in the center of the left and right directions of the protective cover. The linear motor is slidably connected to the lower wall of the motor track. The upper wall of the sliding seat is fixedly connected to the lower wall of the linear motor.

[0013] As a further description of the above technical solution:

[0014] The guide structure includes four guide columns, which are fixedly connected to the lower wall of the sliding seat and are distributed in a rectangular array of two rows and two columns when viewed from above. The ends of the four groups of guide columns away from the sliding seat all penetrate the inner wall of the movable plate and are slidably connected thereto.

[0015] As a further description of the above technical solution:

[0016] The lifting drive structure includes two groups of cylinders, both of which are fixedly connected to the lower wall of the sliding seat and are respectively close to the left and right sides of the sliding seat. The extended shaft ends of the two groups of cylinders are fixedly connected to the upper wall of the movable plate, and the cylinders are connected to the air compressor through an air pipe.

[0017] As a further description of the above technical solution:

[0018] The adsorption structure comprises a plurality of groups of vacuum suction cups, and the plurality of groups of vacuum suction cups are fixedly connected to the lower wall of the movable plate, and the vacuum suction cups are connected to the negative pressure pump through an air pipe.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the automatic sorting device is provided with a protective cover above the first frame, the second frame and the third frame, and a vacuum suction cup for sorting tiles is provided inside the protective cover. The sorting action does not interfere with the action of the conveyor belt on the first frame, does not affect the continuous transmission of the transmission belt, and achieves the purpose of continuous transmission.

[0021] 2. Compared with the prior art, the automatic sorting device is provided with two sets of movable plates with multiple vacuum suction cups, and the two sets of movable plates are driven by a linear motor in conjunction with a slide rail to move back and forth between the first frame, the top of the second frame, the third frame, and the top of the first frame in sequence. When multiple tiles that need to be sorted out are found, the vacuum suction cups on the two sets of movable plates can move continuously and in sequence, without the need for the conveyor belt on the first frame to stop, thereby greatly improving the sorting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of an automatic sorting device proposed by the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of a protective cover of an automatic sorting device proposed by the utility model;

[0024] Figure 3 It is a partial side schematic diagram of a linear motor, a sliding seat and a movable plate connection structure of an automatic sorting device proposed by the utility model.

[0025] Legend:

[0026] 1. First rack; 2. Second rack; 3. Third rack; 4. Conveyor belt; 5. Adjustable bracket; 6. Visual sensor; 7. Material guide rack; 8. Support column; 9. Protective cover; 10. Slide rail; 11. Sliding seat; 12. Motor track; 13. Linear motor; 14. Movable plate; 15. Guide column; 16. Vacuum suction cup; 17. Cylinder; 18. Air pipe. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figures 1 to 3 The utility model provides an automatic sorting device: comprising a first frame 1, a second frame 2, a third frame 3, an air compressor, a negative pressure pump, a control device and a plurality of air pipes 18, wherein the first frame 1, the second frame 2 and the third frame 3 are provided with a conveyor belt 4 for conveying materials, the second frame 2 and the third frame 3 are arranged on the front and rear sides of the first frame 1 in a front-to-back relative state, and the length directions of the second frame 2 and the third frame 3 are perpendicular to the length direction of the first frame 1, and the transmission structure of the embodiment is consistent with the prior art, and the conveyor belt 4 is driven to rotate by the power device, thereby conveying the materials above the conveyor belt 4;

[0029] like Figure 1 As shown, in order to allow the tiles sent from the previous process to be transported along the front-to-back center of the first frame 1 so that the visual sensor 6 can inspect the appearance, a material guiding structure for guiding the material is provided on the inner wall of the first frame 1 and above the conveyor belt 4, and a visual sensor 6 is provided on the rear wall of the first frame 1 and near the left end through an adjustable bracket 5. The visual sensor 6 is located directly above the first frame 1 and is aligned vertically with the front-to-back center of the first frame 1. The material guiding structure includes two sets of material guiding racks 7, which are respectively fixedly connected to the inner front wall and the inner rear wall of the first frame 1. The racks 7 are all located above the conveyor belt 4. A trumpet mouth for convenient material entry is provided between the two sets of guide racks 7 on opposite sides and near the left end of the first rack 1. Common anti-wear materials on the market can be provided on the opposite side of the guide rack 7, such as a polytetrafluoroethylene plate, to protect the edges and corners of the tiles from being broken and to improve the service life of the guide rack 7. When the tiles are delivered to the first rack 1, they converge toward the center position of the front and rear direction of the first rack 1 through the trumpet mouths formed at the left ends of the two sets of guide racks 7, so that they can accurately pass through the detection range of the visual sensor 6, thereby improving the detection accuracy and also improving the action accuracy for subsequent sorting actions;

[0030] like Figure 1 As shown, in order to improve the safety of the equipment, the outer wall of the first rack 1 is fixedly connected with a protective cover 9 through four groups of support columns 8. The protective cover 9 covers the rear end of the second rack 2, the middle of the first rack 1 and the front end of the third rack 3 in a top view. The units used for sorting are all arranged inside the protective cover 9, which can greatly improve the safety of use;

[0031] like Figure 2 As shown, in order to facilitate the sliding seat 11 to slide forward and backward, the inner upper wall of the protective cover 9 is slidably connected with the sliding seat 11 through a longitudinal sliding structure. The longitudinal sliding structure includes two sets of slide rails 10. The two sets of slide rails 10 are fixedly connected to the inner upper wall of the protective cover 9 and are respectively close to the left and right sides of the protective cover 9. The sliding seat 11 is slidably connected to the lower walls of the two sets of slide rails 10. The length direction of the slide rails 10 is parallel to the length direction of the second rack 2 and the third rack 3. The sliding seat 11 can move forward and backward along the length direction of the two sets of slide rails 10, thereby facilitating the movement of the tiles to be sorted on the first rack 1 toward the second rack 2 or the third rack 3.

[0032] like Figure 2 , Figure 3 As shown, in order to drive the sliding seat 11 to move forward and backward along the slide rail 10, a longitudinal displacement drive is provided between the sliding seat 11 and the protective cover 9 for driving the sliding seat 11 to move forward and backward along the longitudinal sliding structure. The longitudinal displacement drive includes a linear motor 13 and a motor track 12. The motor track 12 is fixedly connected to the upper wall of the inner side of the protective cover 9 and is located in the center of the left and right directions of the protective cover 9. The linear motor 13 is slidably connected to the lower wall of the motor track 12. The upper wall of the sliding seat 11 is fixedly connected to the lower wall of the linear motor 13. The linear motor 13 can drive the sliding seat 11 to move forward and backward along the slide rail 10. There is no contact between the moving parts of the linear motor 13, so there is almost no mechanical wear, which can provide higher reliability and longer service life. Since there are fewer mechanical parts, maintenance can be minimized and system costs can be reduced. The linear motor 13 has a fast movement speed and a smooth movement, which can improve both the sorting speed and the sorting action accuracy.

[0033] like Figure 2 , Figure 3 As shown, in order to ensure smooth movement when ascending or descending when sorting tiles, the lower wall of the sliding seat 11 is slidably connected with two groups of movable plates 14 through a guide structure. The guide structure includes four guide columns 15. The four guide columns 15 are fixedly connected to the lower wall of the sliding seat 11 and are distributed in a rectangular array of two rows and two columns in an upward projection. The ends of the four groups of guide columns 15 away from the sliding seat 11 all penetrate the inner wall of the movable plate 14 and are slidably connected thereto. Each group of movable plates 14 is guided by four guide columns 15, which can greatly improve the stability of its lifting movement and improve the accuracy of the sorting action.

[0034] like Figure 2 , Figure 3 As shown, in order to prevent the tiles from colliding with the front and rear side walls of the first frame 1 when transferring from the first frame 1 to the second frame 2 and the third frame 3, two groups of movable plates 14 are respectively close to the front and rear ends of the sliding seat 11, and a lifting drive structure for driving the movable plate 14 to rise or fall is arranged between the movable plate 14 and the sliding seat 11. The lifting drive structure includes two groups of cylinders 17, and the two groups of cylinders 17 are fixedly connected to the lower wall of the sliding seat 11 and are respectively close to the left and right sides of the sliding seat 11. The ends of the extended shafts of the two groups of cylinders 17 are fixedly connected to the upper wall of the movable plate 14, and the cylinders 17 are connected to the air compressor through the air pipe 18. The extension and retraction of the extended shafts of the cylinders 17 can drive the movable plate 14 to fall and rise, so that the movable plate 14 is close to or away from the first frame 1, the second frame 2 and the third frame 3;

[0035] like Figure 2 , Figure 3 As shown, in order to transfer the tiles from the first rack 1 to the second rack 2 and the third rack 3, a plurality of adsorption structures for adsorbing materials are arranged on the lower wall of the movable plate 14, and the adsorption structures include a plurality of vacuum suction cups 16, which are fixedly connected to the lower wall of the movable plate 14, and the vacuum suction cups 16 are connected to the negative pressure pump through the air pipe 18. After the vacuum suction cups 16 contact the surface of the tiles, the negative pressure pump is turned on by the control device, and negative pressure is formed in the vacuum suction cups 16, thereby adsorbing the tiles. When the tiles need to be put down, the negative pressure state inside the vacuum suction cups 16 is canceled through the air release valve on the negative pressure pump, and then the tiles can be put down.

[0036] Working principle: Common anti-wear materials on the market, such as polytetrafluoroethylene plates, can be set on the opposite side of the guide rack 7 to protect the edges and corners of the tiles from being broken and to improve the service life of the guide rack 7. When the tiles are sent to the first rack 1, the trumpets formed at the left ends of the two groups of guide racks 7 converge toward the center position in the front and rear directions of the first rack 1, so that they can accurately pass through the detection range of the visual sensor 6, improve the detection accuracy, and also improve the action accuracy for subsequent sorting actions. The units used for sorting are all arranged inside the protective cover 9, which can greatly improve the safety of use. The sliding seat 11 can move forward and backward along the length direction of the two groups of slide rails 10, so as to facilitate the movement of the tiles to be sorted on the first rack 1 toward the second rack 2 or the third rack 3. The linear motor 13 can drive the sliding seat 11 to move forward and backward along the slide rail 10. There is no contact between the moving parts of the linear motor 13. Therefore, there is almost no mechanical wear, which can provide higher reliability and longer service life. Since there are fewer mechanical parts, maintenance can be minimized and system costs can be reduced. The linear motor 13 has a fast and stable movement, which can not only improve the sorting speed, but also improve the sorting accuracy. Each group of movable plates 14 is guided by four guide columns 15, which can greatly improve the stability of its lifting movement and improve the sorting accuracy. After the vacuum suction cup 16 contacts the surface of the tile, the negative pressure pump is turned on by the control device to form a negative pressure in the vacuum suction cup 16, thereby sucking the tile. When the tile needs to be put down, the negative pressure state inside the vacuum suction cup 16 is canceled through the air release valve on the negative pressure pump, and the tile can be put down.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic sorting device, characterized in that: The invention comprises a first frame (1), a second frame (2), a third frame (3), an air compressor, a negative pressure pump, a control device and a plurality of air pipes (18); a conveyor belt (4) for conveying materials is arranged inside the first frame (1), the second frame (2) and the third frame (3); the second frame (2) and the third frame (3) are arranged on the front and rear sides of the first frame (1) in a front-to-back manner, and the length directions of the second frame (2) and the third frame (3) are perpendicular to the length direction of the first frame (1); a material guiding structure for guiding materials is arranged on the inner wall of the first frame (1) and above the conveyor belt (4); a visual sensor (6) is arranged on the rear wall of the first frame (1) and near the left end through an adjustable bracket (5); the visual sensor (6) is located directly above the first frame (1) and is aligned vertically with the center position of the first frame (1) in the front-to-back direction; The outer wall of the first frame (1) is fixedly connected with a protective cover (9) through four groups of support columns (8). The protective cover (9) covers the rear end of the second frame (2), the middle part of the first frame (1) and the front end of the third frame (3) in a top view. The inner upper wall of the protective cover (9) is slidably connected with a sliding seat (11) through a longitudinal sliding structure. A longitudinal displacement drive for driving the sliding seat (11) to move forward and backward along the longitudinal sliding structure is arranged between the sliding seat (11) and the protective cover (9). The lower wall of the sliding seat (11) is slidably connected with two groups of movable plates (14) through a guide structure. The two groups of movable plates (14) are respectively close to the front and rear ends of the sliding seat (11). A lifting drive structure for driving the movable plate (14) to rise or fall is arranged between the movable plate (14) and the sliding seat (11). The lower wall of the movable plate (14) is provided with multiple groups of adsorption structures for adsorbing materials.

2. An automatic sorting device according to claim 1, characterized in that: The material guide structure comprises two groups of material guide racks (7), the two groups of material guide racks (7) are respectively fixedly connected to the inner front wall and the inner rear wall of the first frame (1), and the two groups of material guide racks (7) are both located above the conveyor belt (4), and a bell mouth for facilitating the entry of materials is arranged between the two groups of material guide racks (7) on opposite sides and close to the left end of the first frame (1).

3. The automatic sorting device according to claim 1, characterized in that: The longitudinal sliding structure comprises two groups of slide rails (10), the two groups of slide rails (10) are fixedly connected to the inner upper wall of the protective cover (9) and are respectively close to the left and right sides of the protective cover (9), the sliding seat (11) is slidably connected to the lower walls of the two groups of slide rails (10), and the length direction of the slide rails (10) is parallel to the length direction of the second frame (2) and the third frame (3).

4. The automatic sorting device according to claim 1, characterized in that: The longitudinal displacement drive comprises a linear motor (13) and a motor track (12); the motor track (12) is fixedly connected to the inner upper wall of the protective cover (9) and is located in the center of the left and right directions of the protective cover (9); the linear motor (13) is slidably connected to the lower wall of the motor track (12); and the upper wall of the sliding seat (11) is fixedly connected to the lower wall of the linear motor (13).

5. The automatic sorting device according to claim 1, characterized in that: The guide structure comprises four guide columns (15), which are all fixedly connected to the lower wall of the sliding seat (11) and are distributed in a rectangular array of two rows and two columns when projected from above. The ends of the four groups of guide columns (15) away from the sliding seat (11) all penetrate the inner wall of the movable plate (14) and are all slidably connected thereto.

6. The automatic sorting device according to claim 1, characterized in that: The lifting drive structure comprises two groups of cylinders (17), the two groups of cylinders (17) are fixedly connected to the lower wall of the sliding seat (11) and are respectively close to the left and right sides of the sliding seat (11), the protruding shaft ends of the two groups of cylinders (17) are fixedly connected to the upper wall of the movable plate (14), and the cylinders (17) are connected to the air compressor through the air pipe (18).

7. The automatic sorting device according to claim 1, characterized in that: The adsorption structure comprises a plurality of groups of vacuum suction cups (16), wherein the plurality of groups of vacuum suction cups (16) are fixedly connected to the lower wall of the movable plate (14), and the vacuum suction cups (16) are connected to a negative pressure pump via an air pipe (18).

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