Defective product distinguishing and removing device
By setting up a U-shaped limit frame and removal components on the conveyor belt, using the U-shaped push plate limit and buffer structure, combined with photoelectric sensor detection and control, the efficient removal of defective products is achieved, solving the problem of low production efficiency and easy damage to defective products in the prior art, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202421605194.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The existing methods of eliminating defective products mainly by stopping the conveyor belt and using robotic hands to clamp and remove defective products, which affects production efficiency and is prone to damage defective products.
U-shaped limiting frame and removal components are used, and U-shaped push plates are used for limiting. Combined with U-shaped rubber pads, dampers and buffer springs, it avoids deviation and damage of objects during discharge, and removes defective products through photoelectric sensors.
Improve production efficiency, reduce damage to defective products, ensure accurate removal of defective products, and reduce shipment risks.
Smart Images

Figure CN223043140U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of detection, and particularly relates to a defective product removing device. Background Art
[0002] At present, many injection-molded products will inevitably have some defective products, which need to be processed later before they can be used. These defective products are mixed among the qualified products and need to be picked out one by one during the later processing, which increases the operation time and cannot ensure that all defective products are picked out, increasing the risk of shipment.
[0003] The patent application No. 201210065634.6 discloses an automatic defective product removing device, including a conveyor belt, a manipulator and a baffle. The baffle is arranged on the conveyor belt where the defective products fall, and the manipulator is suspended above the conveyor belt; the manipulator places the qualified products on the conveyor belt, and the defective products to be removed are placed on the baffle on the conveyor belt. When the products fall off the manipulator, the baffle pops out the defective products. Compared with the prior art, the invention has the advantages of simple operation, safety and reliability, etc.
[0004] The prior art still has the following deficiencies:
[0005] The existing method for removing defective product boards is mainly to stop the operation of the conveyor belt and set a manipulator to clamp and remove the defective product boards from the conveyor belt. The existing removing mechanism affects the production efficiency and is easy to damage the defective product boards. Summary of the Utility Model
[0006] The utility model provides a defective product removing device, aiming at solving the problem that the existing method for removing defective product boards is mainly to stop the operation of the conveyor belt and set a manipulator to clamp and remove the defective product boards from the conveyor belt. The existing removing mechanism affects the production efficiency and is easy to damage the defective product boards.
[0007] The utility model is realized as follows: A defective product removing device includes a U-shaped limiting frame. A controller is installed on the U-shaped limiting frame. A conveyor belt is arranged between the two sides of the U-shaped limiting frame. A driving device is arranged inside the U-shaped limiting frame, and the driving device is connected to the conveyor belt; A limiting component is arranged on one side of the U-shaped limiting frame, and a detection component is arranged at the upper end of the U-shaped limiting frame close to the limiting component; A removing component is arranged at the rear end of the other side of the U-shaped limiting frame, and a blanking component is arranged corresponding to the removing component at the front end of the other side of the U-shaped limiting frame.
[0008] Preferably, the rejection component includes an electric push rod detachably and fixedly connected to one side of the rear end of the U-shaped limiting frame. The electric push rod is electrically connected to the controller. A U-shaped push plate is fixedly connected to the telescopic end of the electric push rod. A U-shaped rubber pad is fixedly connected to one side of the front end of the U-shaped push plate. The U-shaped push plate is located on one side of the upper end of the conveyor belt. A first photoelectric sensor is installed on the U-shaped rubber pad. The first photoelectric sensor is electrically connected to the controller.
[0009] Preferably, the blanking component includes a U-shaped inclined slide plate communicated with the U-shaped limiting frame. Buffer plates are arranged at one end and the upper end of the two sides of the U-shaped inclined slide plate close to each other.
[0010] Preferably, a number of dampers are respectively installed at one end of the three buffer plates close to the U-shaped inclined slide plate. Buffer springs are installed on the dampers.
[0011] Preferably, the limiting component includes two installation grooves formed at one end of the two sides of the U-shaped limiting frame close to each other. Two first electric telescopic rods are respectively installed inside the two installation grooves. The telescopic ends of the two electric telescopic rods close to one side are fixedly connected to the same positioning plate. The two positioning plates are respectively located on both sides of the upper end of the conveyor belt.
[0012] Preferably, the detection component includes a U-shaped fixing frame detachably and fixedly connected to the upper end of the U-shaped limiting frame. A second electric telescopic rod is fixedly connected to the middle of the lower end of the U-shaped fixing frame. An installation seat is fixedly connected to the telescopic end of the second electric telescopic rod. A detector is detachably and fixedly connected to the lower end of the installation seat. Second photoelectric sensors are respectively installed on both sides of the lower end of the U-shaped fixing frame. The two second photoelectric sensors and the second electric telescopic rod are both electrically connected to the controller. The detector is electrically connected to the controller.
[0013] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:
[0014] By setting the rejection component, a U-shaped push plate is provided in the rejection component. The two sides of the U-shaped push plate limit the object to prevent deviation during blanking. By setting the U-shaped rubber pad and the dampers, buffer springs and buffer plates in the blanking component, damage to the object during blanking is avoided. Description of the Drawings
[0015] Figure 1 is a schematic top view structure diagram of the present utility model;
[0016] Figure 2 is the present utility model Figure 1 amplified structure diagram at position A;
[0017] Figure 3 It is a schematic structural diagram of the limit component of the present utility model;
[0018] Figure 4 It is a schematic structural diagram of the blanking component of the present utility model;
[0019] In the figure: 1, U-shaped limit frame; 2, conveyor belt; 3, limit component; 4, installation groove; 5, electric telescopic rod; 6, positioning plate; 7, detection component; 8, U-shaped fixing frame; 9, second electric telescopic rod; 10, mounting seat; 11, detector; 12, second photoelectric sensor; 13, rejection component; 14, blanking component; 15, electric push rod; 16, U-shaped push plate; 17, U-shaped rubber pad; 18, first photoelectric sensor; 19, U-shaped inclined slide plate; 20, buffer plate; 21, damper; 22, buffer spring. Specific embodiments
[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the description of this application in the specification are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.
[0021] Referring to "embodiments" herein means that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.
[0022] An embodiment of the present utility model provides a defective product rejection device, as Figures 1-4 shown, including: a U-shaped limit frame 1, a controller, model S7-300, is installed on the U-shaped limit frame 1, a conveyor belt 2 is arranged between the two sides of the U-shaped limit frame 1, a driving device is arranged inside the U-shaped limit frame 1, and the driving device is connected to the conveyor belt 2; a limit component 3 is arranged on one side of the U-shaped limit frame 1, and a detection component 7 is arranged at the upper end of the U-shaped limit frame 1 close to the limit component 3; a rejection component 13 is arranged at the rear end of the other side of the U-shaped limit frame 1, and a blanking component 14 is arranged corresponding to the rejection component 13 at the front end of the other side of the U-shaped limit frame 1.
[0023] It should be noted that since the existing method for removing defective boards mainly stops the operation of the conveyor belt 2 and sets a manipulator to clamp and remove the defective boards from the conveyor belt 2, the existing removal mechanism affects production efficiency and is prone to damage the defective boards. In this solution, a removal component 13 is provided. The removal component 13 is provided with a U-shaped push plate 16. The two sides of the U-shaped push plate 16 limit the object to prevent deviation during blanking. By setting a U-shaped rubber pad 17 and damping devices 21, buffer springs 22 and buffer plates 20 in the blanking component 14, damage to the object during blanking is avoided.
[0024] In a further preferred embodiment of the present invention, as Figures 1-2 shown, the removal component 13 includes an electric push rod 15 detachably and fixedly connected to one side of the rear end of the U-shaped limit frame 1. The electric push rod 15 is electrically connected to the controller; the telescopic end of the electric push rod 15 is fixedly connected to a U-shaped push plate 16. One side of the front end of the U-shaped push plate 16 is fixedly connected to a U-shaped rubber pad 17. The U-shaped push plate 16 is located on one side above the conveyor belt 2; a first photoelectric sensor 18, model E3F2, is installed on the U-shaped rubber pad 17. The first photoelectric sensor 18 is electrically connected to the controller.
[0025] In this embodiment, the workpiece is sensed by the first photoelectric sensor 18, and the signal is transmitted to the controller. The controller controls the electric push rod 15 to push the workpiece to the blanking component 14. By setting the U-shaped push plate 16, the two sides of the U-shaped push plate 16 limit the workpiece to prevent the circular workpiece from deviating during blanking.
[0026] In a further preferred embodiment of the present invention, as Figures 1-4 shown, the blanking component 14 includes a U-shaped inclined slide plate 19 communicating with the U-shaped limit frame 1. Buffer plates 20 are provided at both ends and the upper end of the U-shaped inclined slide plate 19 that are close to each other.
[0027] In this embodiment, by setting the U-shaped inclined slide plate 19, it is convenient for the workpiece to slide down.
[0028] In a further preferred embodiment of the present invention, as Figures 1-4 shown, a number of damping devices 21 are respectively installed at the ends of the three buffer plates 20 close to the U-shaped inclined slide plate 19, and buffer springs 22 are installed on the number of damping devices 21.
[0029] In this embodiment, by installing the damping devices 21 and the buffer springs 22, it is convenient to buffer the blanking workpiece.
[0030] In a further preferred embodiment of the present invention, as Figures 1-3As shown in the figure, the limit component 3 includes two installation grooves 4 opened at the mutually close ends on both sides of the U-shaped limit frame 1. Two first electric telescopic rods 5 are respectively installed inside the two installation grooves 4. The telescopic ends of the two electric telescopic rods 5 close to one side are fixedly connected to the same positioning plate 6. The two positioning plates 6 are respectively located on both sides of the upper end of the conveyor belt 2.
[0031] In this embodiment, it is convenient to position the workpiece at the lower end of the workpiece position detection component 7.
[0032] In a further preferred embodiment of the present utility model, as Figures 1-3 shown, the detection component 7 includes a U-shaped fixing frame 8 detachably and fixedly connected to the upper end of the U-shaped limit frame 1. A second electric telescopic rod 9 is fixedly connected to the middle of the lower end of the U-shaped fixing frame 8. The telescopic end of the second electric telescopic rod 9 is fixedly connected to a mounting seat 10. A detector 11 is detachably and fixedly connected to the lower end of the mounting seat 10. Two second photoelectric sensors 12, with the model E3F2, are respectively installed on both sides of the lower end of the U-shaped fixing frame 8. The two second photoelectric sensors 12 and the second electric telescopic rod 9 are both electrically connected to the controller. The detector 11 is electrically connected to the controller.
[0033] In this embodiment, the workpiece is sensed by the second photoelectric sensor 12, and it is convenient to detect the workpiece through the detector 11. When the detection is unqualified, the signal is transmitted to the controller, and the controller controls the rejection component 13 to reject it.
[0034] It should be noted that the model specification of the photoelectric sensor, E3F2 type, and the model of the controller, S7-300, are not the only limitations, but are selected according to the actual specifications of the device, etc. The specific selection calculation method adopts the existing technology in the field, so it will not be elaborated in detail.
[0035] The power supply and principle of the photoelectric sensor and the controller are clear to those skilled in the art, and will not be elaborated here.
[0036] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present utility model is not limited by the described action sequence, because according to the present utility model, certain steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present utility model.
[0037] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the above-mentioned units may have other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed coupling or communication connection between each other can be through some interfaces. The indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.
[0038] The units described above as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict, make combinations, additions, deletions or other adjustments to the features in the embodiments of the present invention according to the situation without making creative efforts, so as to obtain different technical solutions that essentially do not deviate from the concept of the present invention. These technical solutions also belong to the scope of protection of the present invention.
Claims
1. A defective product sorting and removing device, characterized in that: include: A U-shaped limiting frame (1), a controller being installed on the U-shaped limiting frame (1), a conveyor belt (2) being arranged between two sides of the U-shaped limiting frame (1), a driving device being arranged inside the U-shaped limiting frame (1), and the driving device being connected to the conveyor belt (2); A limiting component (3) is arranged on one side of the U-shaped limiting frame (1), and a detection component (7) is arranged on the upper end of the U-shaped limiting frame (1) close to the limiting component (3); A rejection assembly (13) is arranged at the rear end of the other side of the U-shaped limiting frame (1), and a material removal assembly (14) is arranged at the front end of the other side of the U-shaped limiting frame (1) corresponding to the rejection assembly (13).
2. A defective product identification and removal device as claimed in claim 1, characterized in that: The rejection assembly (13) comprises an electric push rod (15) which is detachably fixedly connected to one side of the rear end of the U-shaped limiting frame (1), and the electric push rod (15) is electrically connected to the controller; The telescopic end of the electric push rod (15) is fixedly connected to a U-shaped push plate (16), and a U-shaped rubber pad (17) is fixedly connected to one side of the front end of the U-shaped push plate (16). The U-shaped push plate (16) is located on one side of the upper end of the conveyor belt (2); A first photoelectric sensor (18) is installed on the U-shaped rubber pad (17), and the first photoelectric sensor (18) is electrically connected to the controller.
3. A defective product identification and removal device as claimed in claim 2, characterized in that: The blanking assembly (14) comprises a U-shaped inclined slide plate (19) connected to the U-shaped limiting frame (1), and buffer plates (20) are provided on both ends of the U-shaped inclined slide plate (19) that are close to each other and on the upper end.
4. A defective product identification and removal device as claimed in claim 3, characterized in that: A plurality of dampers (21) are respectively installed at the ends of the three buffer plates (20) and the U-shaped inclined slide plate (19) that are close to each other, and a buffer spring (22) is installed on each of the dampers (21).
5. The defective product identification and removal device according to claim 1, characterized in that: The limiting assembly (3) comprises two installation grooves (4) provided on both sides of the U-shaped limiting frame (1) close to one end, two first electric telescopic rods (5) are respectively installed inside the two installation grooves (4), wherein the telescopic ends of the two electric telescopic rods (5) close to one side are fixedly connected to the same positioning plate (6), and the two positioning plates (6) are respectively located on both sides of the upper end of the conveyor belt (2).
6. A defective product sorting and removing device as claimed in claim 1, characterized in that: The detection assembly (7) comprises a U-shaped fixing frame (8) which is detachably fixedly connected to the upper end of the U-shaped limiting frame (1); a second electric telescopic rod (9) is fixedly connected to the middle of the lower end of the U-shaped fixing frame (8); a mounting seat (10) is fixedly connected to the telescopic end of the second electric telescopic rod (9); a detector (11) is detachably fixedly connected to the lower end of the mounting seat (10); second photoelectric sensors (12) are respectively installed on both sides of the lower end of the U-shaped fixing frame (8); the two second photoelectric sensors (12) and the second electric telescopic rod (9) are electrically connected to the controller; and the detector (11) is electrically connected to the controller.
Citation Information
Patent Citations
An automatic defective product rejection device
CN103302036B