Automatic centering supporting and placing mechanism
By designing an automatic centering and placement mechanism, utilizing a rocker arm, hook, and pneumatic pressure components, the problem of objects randomly deviating from the center of the support ring in existing technologies has been solved. This enables natural positioning and contactless unlocking of the sorted objects, improving sorting efficiency and quality.
Patent Information
- Application Number
- CN202422957711.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In existing technologies, the cross-shaped mesh structure causes the sorted items to randomly deviate from the center of the support ring, making it impossible to achieve automated positioning and affecting sorting efficiency and quality.
The automatic centering and placement mechanism includes a rocker arm, hook, base, material tray, and pneumatic pressure components. The opening and closing of the hook is controlled by airflow, and the continuous force provided by the coil spring keeps the hook in place. The material tray is designed with a hollow bowl-shaped structure, which, together with the conveyor chain positioning, enables the natural positioning and contactless unlocking of the object.
It achieves natural positioning of sorted items, reduces gaps between material trays, improves stability and reliability, and enhances sorting efficiency and quality. Pneumatic control is used to achieve contactless unlocking.
Smart Images

Figure CN223602897U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of article sorting, in particular to an automatic centering and placing mechanism. BACKGROUND
[0002] The sorting machine can sort the sorted objects according to their weight, mass, size or other requirements, and can greatly improve the sorting efficiency and quality of the sorted objects.
[0003] The placing mechanism is one of the important components of the sorting machine for the sorted objects, which can not only support the sorted objects during sorting to facilitate the transportation of the sorted objects by the conveying mechanism of the sorting machine, but also can reach different positions during transportation and select to pour the sorted objects into the collection assembly at different positions to complete the sorting of the sorted objects.
[0004] The existing technology patent CN216757259U uses a cross-shaped structure in the form of a ball socket, and the cross intersection is located at the center of the bottom of the ball socket structure. Part of the circular arc surface shape object (with a diameter less than half of the supporting ring) is placed therein. The cross intersection will randomly tip the supporting ring center of the object, which is not conducive to the positioning of the object and cannot further automate the object.
[0005] Therefore, an automatic centering and placing mechanism is needed to solve the above problems. SUMMARY
[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0007] An automatic centering and placing mechanism, comprising a pressure receiving member, a rocker arm, a base, a first hook, a swing lever, and a material holder.
[0008] The rocker arm is hinged to the base and is arranged above the swing lever. The first hook is arranged at one end of the rocker arm close to the swing lever, and the second hook is arranged on the swing lever. The second hook is used to hook with the first hook when the swing lever is in a horizontal position. The pressure receiving member is arranged at the other end of the rocker arm away from the swing lever. The pressure receiving member is used to receive external force and drive the rocker arm to rotate relative to the base, so as to drive the first hook and the second hook to disengage with each other. One end of the swing lever is hinged to the base, and the other end is connected to the material holder. The material holder has a hollow structure at the bottom.
[0009] Further, the material holder has a bowl-shaped structure with a hollow center at the bottom and a large upper part and a small lower part.
[0010] Further, the middle part of the rocker arm is hinged to the base.
[0011] Further, the automatic centering and placing mechanism further comprises a coil spring. One end of the coil spring is connected to the rocker arm, and the other end is connected to the base. The coil spring is used to continuously apply force to the rocker arm to keep the first hook and the second hook in the hooked state.
[0012] Further, the material support comprises an upper support ring, a lower support ring and a plurality of arc-shaped strips; the upper support ring is fixedly connected with one end of the swing rod, one end of the arc-shaped strip is fixedly connected with the upper support ring, and the other end is fixedly connected with the lower support ring.
[0013] Further, the upper support ring and the lower support ring are parallel to each other, the upper support ring is in a square frame structure, and the lower support ring is in a circular frame structure; the width of the inner surface of the upper support ring is greater than the diameter of the hollow part of the lower support ring.
[0014] Further, the arc-shaped strips are arranged in a ring array between the upper support ring and the lower support ring.
[0015] Further, the top of the pressure receiving member is provided with a plurality of airflow pits, the airflow pits are used for receiving stable air source blowing, so that the pressure receiving member receives the external force brought by the air source blowing and drives the rocker to rotate relative to the base, so as to promote the first hook and the second hook to be separated from each other.
[0016] Further, the airflow pit is in a circular groove structure.
[0017] Further, the airflow pits are arranged in a horizontal array at the top of the pressure receiving member.
[0018] In an embodiment of the utility model, the base is provided below with a clamping groove, the base clamping groove is used for clamping with the mounting lug of the conveying chain, so that the automatic centering and placing mechanism is carried on the conveying chain; the width of the mounting lug of the conveying chain and the groove width of the clamping groove are matched and clamped in the clamping groove, so that the left and right positions of the automatic centering and placing mechanism are positioned, and the automatic centering and placing mechanism is automatically perpendicular to the length direction of the chain.
[0019] Further, the base is provided with a fixing hole, and the base is fastened on the mounting lug of the conveying chain through a bolt connection mode. The automatic centering and placing mechanism is positioned left and right, which is very beneficial to the anti-loosening of the fastening bolt, and the stability and reliability are significantly improved.
[0020] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art: 1. The sorted objects can naturally roll and be clamped in the hollow part of the lower support ring, so that the natural positioning of the sorted objects in the material support is realized.
[0021] 2. The upper support ring is in a square frame structure, the opening area of the material support is larger, and the material supports can be most closely arranged and combined together, and no gap is generated between the material supports to cause the falling of the materials.
[0022] 3. The elastic reset component of the utility model is a coil spring, and the stability and reliability are higher than those of a tension spring or a compression spring.
[0023] Four, the pressure receiving member can also be provided with an air flow pit, when the air flow blows into the air flow pit, the air flow pit can converge the air flow, so that the pressure receiving member can obtain greater air flow power, which is beneficial to the separation of the first hook and the second hook.
[0024] Five, the pressure receiving member is blown by the pneumatic pressure, so that the contactless unlocking can be realized. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.
[0026] Figure 1 It is a structure diagram of the automatic centering supporting mechanism of the present application;
[0027] Figure 2 It is a structure diagram of the automatic centering supporting mechanism of the present application;
[0028] Figure 3 It is a structure diagram of the automatic centering supporting mechanism of the present application;
[0029] Figure 4 It is a structure diagram of the automatic centering supporting mechanism of the present application;
[0030] Main component symbol explanation
[0031] The following specific embodiments will further illustrate the present application in combination with the above drawings. DETAILED DESCRIPTION
[0032] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the present invention. The terms "first," "second," etc., in the specification, claims, and accompanying drawings of the present invention are used to distinguish different objects and not to describe a particular order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to imply non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units is not limited to the steps or units listed, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.
[0033] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the present invention. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0034] Please see Figures 1-4 This utility model provides an automatic centering and placing mechanism, including a pressure-bearing component 11, a rocker arm 12, a base 13, a first hook 14, a swing rod 15, and a material support 16;
[0035] The rocker arm 12 is hinged to the base 13 and is positioned above the swing rod 15. A first hook 14 is provided at one end of the rocker arm 12 near the swing rod 15, and a second hook 18 is provided on the swing rod 15. The second hook 18 is used to engage with the first hook 14 when the swing rod 15 is in a horizontal position. A pressure-bearing member 11 is provided at the other end of the rocker arm 12 away from the swing rod 15. The pressure-bearing member 11 is used to receive external force and drive the rocker arm 12 to rotate relative to the base 13, so as to disengage the first hook 14 and the second hook 18 from each other. One end of the swing rod 15 is hinged to the base 1, and the other end is connected to the material support 16. The material support 16 has a hollow bottom structure.
[0036] Furthermore, the material support 16 has a bowl-shaped structure with a hollowed-out bottom center and a larger top and smaller bottom.
[0037] Furthermore, the middle part of the rocker arm 12 is hinged to the base 13.
[0038] Further, the automatic centering and supporting mechanism further comprises a coil spring 17, one end of the coil spring 17 is connected to the rocker arm 12, and the other end is connected to the base 13; the coil spring 17 is used for continuously applying force to the rocker arm 12 to keep the first hook 14 and the second hook 18 in the hooked state;
[0039] Further, the material support 16 comprises an upper supporting ring 161, a lower supporting ring 162 and a plurality of arc-shaped strips 163; the upper supporting ring 161 is fixedly connected to one end of the swing rod 15, and one end of each arc-shaped strip 163 is fixedly connected to the upper supporting ring 161, and the other end is fixedly connected to the lower supporting ring 162.
[0040] Further, the upper supporting ring 161 and the lower supporting ring 162 are parallel to each other, the upper supporting ring 161 is in the form of a square frame body structure, and the lower supporting ring 162 is in the form of a circular frame body structure; the width of the inner surface of the upper supporting ring 161 is greater than the diameter of the hollow part of the lower supporting ring 162, and the arc-shaped strips 163 are arranged in a ring array between the upper supporting ring 161 and the lower supporting ring 162.
[0041] Further, the top of the pressure receiving member 11 is provided with a plurality of airflow pits 111, the airflow pits 111 are used for accepting stable air source blowing, so that the pressure receiving member 11 receives the external force brought by the air source blowing and drives the rocker arm 12 to rotate relative to the base 13, so as to promote the first hook 14 and the second hook 18 to be separated from each other.
[0042] Further, the airflow pit 111 is in the form of a circular groove structure.
[0043] Further, the airflow pits 111 are arranged in a horizontal array at the top of the pressure receiving member 11.
[0044] In an embodiment of the utility model, the base 13 is provided below with a clamping groove 131, the clamping groove 131 is used for clamping with the mounting ear of the conveying chain, so that the automatic centering and supporting mechanism is carried on the conveying chain; the width of the mounting ear of the conveying chain cooperates with the groove width of the clamping groove 131 and is clamped in the clamping groove 131, the left and right positioning of the automatic centering and supporting mechanism is realized, and the automatic centering and supporting mechanism is automatically perpendicular to the length direction of the chain.
[0045] Further, the base 13 is provided with a fixing hole 132 and is fastened on the mounting ear of the conveying chain in a bolt connection mode. The automatic centering and supporting mechanism is positioned left and right, which is very beneficial to the anti-loosening of the fastening bolt, and the stability and reliability are significantly improved.
[0046] When the utility model is used, after the sorted objects enter the material support 16 from the upper supporting ring 161, smaller sorted objects can fall out of the material support 16 from the interval space between the lower supporting ring 162 or adjacent arc-shaped strips 163, and the sorted objects that are qualified in size will naturally roll and be clamped in the hollow part of the lower supporting ring 162 as long as they are circular arc surface objects larger than the diameter of the lower supporting ring 162, so that the natural positioning of the sorted objects in the material support 16 is realized.
[0047] The pressure receiving member 11 can also be provided with an air flow pit 111, which can converge the air flow when the air flow is blown in, so that the pressure receiving member 11 can obtain greater air flow power, which is beneficial to the mutual unlocking and separation of the first hook 14 and the second hook 18, and the swing rod is rotated due to gravity, so that the material support 16 completes the dumping of the sorted objects.
[0048] The pressure receiving member 11 is blown and pressed by air, and the unlocking can be realized in a non-contact manner.
[0049] Secondly, the elastic reset component of the utility model is a coil spring 17, which has higher stability and reliability than a tension spring or a compression spring.
[0050] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.
Claims
1. An automatic centering and setting mechanism, characterized by: The pressure receiving member, the rocker arm, the base, the first hook, the swing lever, and the material holder are included. The rocker arm is hinged to the base and is arranged above the swing lever. The first hook is arranged at one end of the rocker arm close to the swing lever. The second hook is arranged on the swing lever and is used to hook with the first hook when the swing lever is in a horizontal position. The pressure receiving member is arranged at the other end of the rocker arm away from the swing lever and is used to receive an external force and drive the rocker arm to rotate relative to the base to drive the first hook and the second hook to be separated from each other. One end of the swing lever is hinged to the base, and the other end is connected to the material holder. The material holder has a bowl-shaped structure with a hollow bottom and a large upper part and a small lower part.
2. The self-centering setting mechanism according to claim 1, wherein: The material holder has a bowl-shaped structure with a hollow bottom and a large upper part and a small lower part.
3. The self-centering setting mechanism according to claim 1, wherein: The dynamic centering holder releasing mechanism further includes a coil spring. One end of the coil spring is connected to the rocker arm, and the other end is connected to the base. The coil spring is used to continuously apply force to the rocker arm to keep the first hook and the second hook in a hooked state.
4. The self-centering setting mechanism according to claim 1, wherein: The pressure receiving member is provided with a plurality of airflow pits at the top. The airflow pits are used to accept stable air source blowing to make the pressure receiving member receive the external force brought by the air source blowing and drive the rocker arm to rotate relative to the base to facilitate the mutual separation of the first hook and the second hook.
5. The self-centering setting mechanism according to claim 1, wherein: The base is provided with a clamping groove below. The clamping groove is used to be clamped with the mounting ear of the conveying chain.
6. The self-centering setting mechanism according to any one of claims 1-5, wherein: The material holder includes an upper holder ring, a lower holder ring, and a plurality of arc-shaped strips. One end of the upper holder ring is fixedly connected to one end of the swing lever. One end of each arc-shaped strip is fixedly connected to the upper holder ring, and the other end is fixedly connected to the lower holder ring.
7. The self-centering setting mechanism according to claim 6, wherein: The upper holder ring has a square frame structure, and the lower holder ring has a circular frame structure. The width of the inner surface of the upper holder ring is greater than the diameter of the hollow part of the lower holder ring.
8. The self-centering setting mechanism according to claim 4, wherein: The airflow pit has a circular groove structure.
9. The self-centering setting mechanism according to claim 8, wherein: The airflow pits are arranged in a horizontal array at the top of the pressure receiving member.
10. The self-centering setting mechanism according to claim 5, wherein: The base is provided with a fixing hole. The base is fastened on the mounting ear of the conveying chain by a bolt connection method.
Citation Information
Patent Citations
Supporting and placing mechanism for vegetable and fruit sorting machine and vegetable and fruit sorting machine
CN216757259U