Polyester bottle chip color sorting and separating device

Automatic separation of polyester bottles is solved by combining the conveyor belt and pneumatic push rod with the camera to identify the color, which solves the problem of complex and high cost of manipulator grabbing in the prior art, and realizes efficient automatic separation of polyester bottles.

CN223276744UActive Publication Date: 2025-08-29XINJIANG XINHUIDA CHEM FIBER CO LTD
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Patent Information

Application Number
CN202422687469.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-08-29
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

In the existing polyester bottle color sorting and separation device, robot grasping requires precise position control and force control, which is complex in structure and high in cost.

Method used

The conveyor belt is used to drive the movement of the polyester bottle, identify the color through the camera and control the expansion and contraction of the pneumatic push rod to achieve automatic separation of the polyester bottle and avoid grabbing by the robot.

Benefits of technology

Simplifies the structure, reduces costs, is easy to use, and realizes efficient automatic separation of polyester bottles.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polyester bottle chip color sorting and separating device, which relates to the technical field of polyester bottle chip color sorting and separating and comprises a conveying frame, a pneumatic push rod is fixedly connected to the upper surface of the conveying frame, a movable plate is slidably connected to one side of the pneumatic push rod, and a guide plate is fixedly connected to the surface of the movable plate. The side, close to the pneumatic push rod, of the conveying frame is fixedly connected with a collecting frame, and the pneumatic push rod and the movable plate are obliquely arranged. The sorted polyester bottle chips are driven by the conveying belt to move, the polyester bottle chips are photographed through the camera, the photographed pictures are subjected to color recognition through the controller, different pneumatic push rods are controlled by the controller to stretch out and draw back according to different colors, and the pneumatic push rods drive the movable plates to stretch out and then are matched with the conveying belt, so that the polyester bottle chips are separated. And therefore, the polyester bottle chips move in the direction of the movable plates and finally fall into the collecting frame, separation is completed, grabbing of a mechanical arm is not needed, the structure is simple, cost is low, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of color sorting and separation of polyester bottle flakes, in particular to a color sorting and separation device for polyester bottle flakes. Background Art

[0002] The traditional polyester bottle dyeing process involves injection molding transparent polyester chips into preforms, adding colorants during injection to create the colored preforms. These preforms are then blown into bottles to create the colored bottles. This traditional colored bottle processing process offers flexible batch sizes, making it ideal for small-batch production.

[0003] After searching the existing public patent number: CN202120081984.6, the public patent name is: An automatic screening and separation device for polyester bottle flakes of multiple colors, including a frame, a placement trough, a conveyor belt, a feeding drive mechanism, a camera, an analysis processor, a grabbing robot, a first gate-shaped mounting frame and a second gate-shaped mounting frame, and the second gate-shaped mounting frame is provided with an electric movable frame; in actual application, the conveyor belt is driven by the feeding drive mechanism to continuously feed the material, and the camera continuously shoots the bottle blanks on the conveyor belt, and the analysis processor performs color analysis and detection on the results shot by the camera. When the analysis processor detects that the bottle blanks are unevenly colored, the analysis processor controls the electric movable frame, and the electric movable frame drives the grabbing robot to extend and grab the unevenly colored bottle blanks, and transfer the unevenly colored bottle blanks to the placement trough; the utility model can fully automatically identify unevenly colored bottle blanks, automatically screen and separate the unevenly colored bottle blanks, and the color screening is uniform, which reduces production input.

[0004] However, when the above device is used, it requires relatively precise position control and force control when the robot grasps the bottle embryo, and the structure is relatively complex and the cost is high, so there is room for improvement. Utility Model Content

[0005] (1) Technical problems solved

[0006] In response to the shortcomings of the existing technology, the utility model provides a polyester bottle flake color sorting and separation device, which solves the problem that the robot arm needs to grasp the bottle embryo, which requires relatively precise position control and force control, and has a relatively complex structure and high cost.

[0007] Technical Solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: A polyester bottle flake color sorting and separation device, comprising: a conveyor frame, a conveyor belt provided on the conveyor frame, support legs symmetrically provided at the bottom of the conveyor frame, a controller provided on the conveyor frame, a camera provided at the bottom of the controller, a signal output end of the camera being electrically connected to a signal input end of the controller, and a separation component provided on the conveyor frame;

[0009] The separation component includes an infrared generator and an infrared receiver respectively fixedly connected to the upper surface of the conveying rack, a pneumatic push rod fixedly connected to the upper surface of the conveying rack, a movable plate slidably connected to one side of the pneumatic push rod, a guide plate fixedly connected to the surface of the movable plate, a collection frame fixedly connected to the side of the conveying rack close to the pneumatic push rod, and the pneumatic push rod and the movable plate are arranged at an angle.

[0010] Preferably, the separation components are provided in multiple groups, the signal output ends of the infrared generator and infrared receiver are electrically connected to the signal input end of the controller, and the signal output end of the controller is electrically connected to the signal input end of the pneumatic push rod.

[0011] Preferably, a height adjustment component is provided on the conveying frame, and the height adjustment component includes a positioning frame fixedly connected to the top of the conveying frame, a second slide groove is opened on one side of the positioning frame, a second screw rod is rotatably connected in the second slide groove, a second adjustment block is fixedly connected to the top of the second screw rod, a second slider is slidably connected in the second slide groove, the second slider is threadedly connected to the second screw rod, an adjustment seat is fixedly connected to one side of the second slider, a sliding seat is slidably connected to the surface of the adjustment seat, and the controller is fixedly connected to the bottom of the sliding seat.

[0012] Preferably, the surface of the second adjustment block is provided with an anti-slip sleeve, and the length of the adjustment seat is the same as the width of the conveyor belt.

[0013] Preferably, the conveying frame is provided with an adjustment component, and the adjustment component includes a guide frame symmetrically arranged on the top of the conveying frame, and the guide frame is rotatably connected to the top of the conveying frame.

[0014] Preferably, the conveying frame is fixedly connected to a fixing frame, a first sliding groove is provided at the bottom of the fixing frame, a bidirectional screw rod is rotatably connected in the first sliding groove, a first slider is slidably connected in the first sliding groove, the first slider is threadedly connected to the bidirectional screw rod, one end of the bidirectional screw rod is fixedly connected to a first adjusting block, a connecting rod is fixedly connected to the bottom of the first slider, a limiting groove is provided at the top of the guide frame, a connecting block is provided in the limiting groove, and the connecting rod is rotatably connected to the surface of the connecting block.

[0015] Preferably, the guide frame and the conveyor belt do not contact each other, and the connecting block is slidably connected in the limiting groove.

[0016] Beneficial effects

[0017] The utility model provides a polyester bottle flake color sorting and separation device, which has at least the following beneficial effects compared with the prior art:

[0018] The sorted polyester bottle flakes are moved by the conveyor belt, and the polyester bottle flakes are photographed by a camera. The color of the photographed picture is recognized by the controller. According to the different colors, different pneumatic push rods are controlled by the controller to extend and retract. After the pneumatic push rods drive the movable plate to extend, they cooperate with the conveyor belt to move the polyester bottle flakes along the movable plate and the direction of the movable plate, and finally fall into the collection frame to complete the separation. No robot arm is required to grab them. The structure is simple, the cost is low, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic structural diagram of the height adjustment assembly of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0022] Figure 4 This is a structural diagram of the first chute of the utility model.

[0023] In the figure: 1. Conveyor rack; 2. Conveyor belt; 3. Support leg; 4. Camera; 5. Controller; 6. Separation assembly; 601. Infrared generator; 602. Infrared receiver; 603. Pneumatic push rod; 604. Movable plate; 605. Guide plate; 606. Collection frame; 7. Adjustment assembly; 701. Fixed rack; 702. Guide rack; 703. Limiting groove; 704. Connecting block; 705. Connecting rod; 706. First slide; 707. Bidirectional screw; 708. First adjustment block; 709. First slider; 8. Height adjustment assembly; 801. Positioning rack; 802. Second slide; 803. Second screw; 804. Second adjustment block; 805. Second slider; 806. Adjustment seat; 807. Sliding seat. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1:

[0026] See also Figure 1-4The utility model provides a technical solution: a conveyor frame 1, a conveyor belt 2 is provided on the conveyor frame 1, support legs 3 are symmetrically provided at the bottom of the conveyor frame 1, a controller 5 is provided on the conveyor frame 1, a camera 4 is provided at the bottom of the controller 5, a signal output end of the camera 4 is electrically connected to a signal input end of the controller 5, and a separation component 6 is provided on the conveyor frame 1;

[0027] The separation component 6 includes an infrared generator 601 and an infrared receiver 602, which are respectively fixedly connected to the upper surface of the conveying rack 1. A pneumatic push rod 603 is fixedly connected to the upper surface of the conveying rack 1. A movable plate 604 is slidably connected to one side of the pneumatic push rod 603. A guide plate 605 is fixedly connected to the surface of the movable plate 604. A collection frame 606 is fixedly connected to the side of the conveying rack 1 close to the pneumatic push rod 603. The pneumatic push rod 603 and the movable plate 604 are arranged at an angle.

[0028] Analysis of the above content: Conveyor belt 2 drives the sorted polyester bottle flakes to move, camera 4 takes photos of the polyester bottle flakes, and controller 5 performs color recognition on the photos. Controller 5 controls the extension and retraction of pneumatic push rods 603 according to the color. Pneumatic push rods 603 extend movable plate 604 and then interact with conveyor belt 2, moving the polyester bottle flakes along movable plate 604 and finally dropping them into collection basket 606, completing separation. This eliminates the need for a robotic gripper, resulting in a simple structure, low cost, and ease of use. Pneumatic push rods 603 are arranged at an angle to movable plate 604, and in conjunction with the linear motion of conveyor belt 2, the polyester bottle flakes are moved into collection basket 606 for collection and sorting.

[0029] Example 2:

[0030] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the separation component 6 is provided with multiple groups, the signal output end of the infrared generator 601 and the infrared receiver 602 are electrically connected to the signal input end of the controller 5, and the signal output end of the controller 5 is electrically connected to the signal input end of the pneumatic push rod 603.

[0031] Analysis of the above content: multiple groups of separation components 6 are set to sort polyester bottle flakes of different colors, the positions of the polyester bottle flakes are detected by the infrared generator 601 and the infrared receiver 602, and the pneumatic push rod 603 is controlled by the controller 5 to retract and extend to sort the required polyester bottle flakes.

[0032] Example 3:

[0033] See also Figure 1-4The utility model provides a technical solution based on Example 1: a height adjustment component 8 is provided on the conveying frame 1, and the height adjustment component 8 includes a positioning frame 801 fixedly connected to the top of the conveying frame 1, and a second sliding groove 802 is opened on one side of the positioning frame 801, and a second screw rod 803 is rotatably connected in the second sliding groove 802, and a second adjusting block 804 is fixedly connected to the top of the second screw rod 803, and a second slider 805 is slidably connected in the second sliding groove 802. The second slider 805 is threadedly connected to the second screw rod 803, and an adjustment seat 806 is fixedly connected to one side of the second slider 805, and a sliding seat 807 is slidably connected to the surface of the adjustment seat 806, and the controller 5 is fixedly connected to the bottom of the sliding seat 807.

[0034] Analysis of the above content: Rotating the second adjustment block 804 drives the second screw rod 803 to rotate, and the rotation of the second screw rod 803 drives the second slider 805 and the adjustment seat 806 to slide along the second slide groove 802, thereby adjusting the height of the camera 4, so as to facilitate shooting and identifying polyester bottle pieces of different sizes.

[0035] Example 4:

[0036] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the surface of the second adjustment block 804 is provided with an anti-slip sleeve, and the length of the adjustment seat 806 is the same as the width of the conveyor belt 2.

[0037] Analysis of the above content: The anti-slip sleeve is set to facilitate the adjustment of the height of the adjustment seat 806. The sliding seat 807 is slidably connected to the surface of the adjustment seat 806. The position of the camera 4 can be adjusted by moving the sliding seat 807, which is convenient for adjustment according to actual conditions, so that the polyester bottle piece is in the shooting center of the camera 4 for easy identification.

[0038] Embodiment 5:

[0039] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: an adjustment component 7 is provided on the conveying frame 1, and the adjustment component 7 includes a guide frame 702 symmetrically arranged on the top of the conveying frame 1, and the guide frame 702 is rotatably connected to the top of the conveying frame 1.

[0040] Analysis of the above content: By adjusting the angle of the guide frame 702, the spacing of the guide frame 702 is changed, so that the polyester bottle pieces are moved to the center position of the surface of the conveyor belt 2 under the guidance of the guide frame 702, which is convenient for the camera 4 to shoot and identify.

[0041] Example 6:

[0042] See also Figure 1-4Based on the first embodiment, the present invention provides a technical solution: a fixed frame 701 is fixedly connected to the conveyor frame 1, a first slide groove 706 is defined at the bottom of the fixed frame 701, a bidirectional screw rod 707 is rotatably connected in the first slide groove 706, a first slider 709 is slidably connected in the first slide groove 706, the first slider 709 is threadedly connected to the bidirectional screw rod 707, a first adjustment block 708 is fixedly connected to one end of the bidirectional screw rod 707, a connecting rod 705 is fixedly connected to the bottom of the first slider 709, a limiting groove 703 is defined at the top of the guide frame 702, a connecting block 704 is disposed in the limiting groove 703, and the connecting rod 705 is rotatably connected to the surface of the connecting block 704. The guide frame 702 and the conveyor belt 2 do not contact each other, and the connecting block 704 is slidably connected in the limiting groove 703.

[0043] Analysis of the above content: Rotating the first adjustment block 708 drives the bidirectional screw 707 to rotate, and under the action of the bidirectional screw 707, the two groups of first sliders 709 move relative to each other, and the first slider 709 drives the connecting rod 705 to move, so that the connecting block 704 slides in the limiting groove 703, driving the guide frame 702 to rotate, and adjusting the spacing of the guide frame 702 according to the width of the polyester bottle piece.

[0044] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyester bottle flake color sorting and separation device, characterized in that: include: A conveyor frame (1), wherein a conveyor belt (2) is provided on the conveyor frame (1), support legs (3) are symmetrically provided at the bottom of the conveyor frame (1), a controller (5) is provided on the conveyor frame (1), a camera (4) is provided at the bottom of the controller (5), a signal output end of the camera (4) is electrically connected to a signal input end of the controller (5), and a separation component (6) is provided on the conveyor frame (1); The separation assembly (6) comprises an infrared generator (601) and an infrared receiver (602) respectively fixedly connected to the upper surface of the conveying frame (1); a pneumatic push rod (603) is fixedly connected to the upper surface of the conveying frame (1); a movable plate (604) is slidably connected to one side of the pneumatic push rod (603); a guide plate (605) is fixedly connected to the surface of the movable plate (604); a collecting frame (606) is fixedly connected to the side of the conveying frame (1) close to the pneumatic push rod (603); and the pneumatic push rod (603) and the movable plate (604) are arranged at an angle.

2. The polyester bottle flakes color sorting and separation device according to claim 1, characterized in that: The separation assembly (6) is provided with multiple groups, the signal output ends of the infrared generator (601) and the infrared receiver (602) are electrically connected to the signal input end of the controller (5), and the signal output end of the controller (5) is electrically connected to the signal input end of the pneumatic push rod (603).

3. The polyester bottle flakes color sorting and separation device according to claim 1, characterized in that: The conveying frame (1) is provided with a height adjustment assembly (8), and the height adjustment assembly (8) includes a positioning frame (801) fixedly connected to the top of the conveying frame (1), a second sliding groove (802) is opened on one side of the positioning frame (801), a second screw rod (803) is rotatably connected in the second sliding groove (802), a second adjustment block (804) is fixedly connected to the top of the second screw rod (803), a second slider (805) is slidably connected in the second sliding groove (802), the second slider (805) is threadedly connected to the second screw rod (803), an adjustment seat (806) is fixedly connected to one side of the second slider (805), a sliding seat (807) is slidably connected to the surface of the adjustment seat (806), and the controller (5) is fixedly connected to the bottom of the sliding seat (807).

4. The polyester bottle flakes color sorting and separation device according to claim 3, characterized in that: The surface of the second adjustment block (804) is provided with an anti-slip sleeve, and the length of the adjustment seat (806) is the same as the width of the conveyor belt (2).

5. The polyester bottle flakes color sorting and separation device according to claim 1, characterized in that: The conveying frame (1) is provided with an adjustment component (7), and the adjustment component (7) comprises a guide frame (702) symmetrically arranged on the top of the conveying frame (1), and the guide frame (702) is rotatably connected to the top of the conveying frame (1).

6. The polyester bottle flakes color sorting and separation device according to claim 5, characterized in that: The conveying frame (1) is fixedly connected to a fixing frame (701), a first sliding groove (706) is provided at the bottom of the fixing frame (701), a bidirectional screw rod (707) is rotatably connected in the first sliding groove (706), a first slider (709) is slidably connected in the first sliding groove (706), the first slider (709) is threadedly connected to the bidirectional screw rod (707), one end of the bidirectional screw rod (707) is fixedly connected to a first adjusting block (708), the bottom of the first slider (709) is fixedly connected to a connecting rod (705), a limiting groove (703) is provided at the top of the guide frame (702), a connecting block (704) is provided in the limiting groove (703), and the connecting rod (705) is rotatably connected to the surface of the connecting block (704).

7. The polyester bottle flakes color sorting and separation device according to claim 6, characterized in that: The guide frame (702) and the conveyor belt (2) do not contact each other, and the connecting block (704) is slidably connected in the limiting groove (703).

Citation Information

Patent Citations

  • Multi-color polyester bottle chip automatic screening and separating device

    CN214235127U