Tray approaching detection device

Abstract

The utility model relates to a tray approaching detection device. The device comprises a fixed seat, a sliding assembly, a detection plate, a position detection switch and a reset assembly, the sliding assembly is composed of a sliding block, a limiting piece and a guide rail, ensures smooth movement of the detection plate and limits the movement range. The reset assembly is composed of a mounting base and an extension spring, and automatic reset of the detection plate is achieved. The detection plate is provided with a trigger plate, a contact plate and a support plate, is in full contact with the tray and accurately detects the approaching state of the tray; the position detection switch is vertically arranged downwards along the gravity direction, so that the detection accuracy is improved; the device is suitable for logistics storage, automatic production lines and other scenes, has the advantages of high detection efficiency, long service life, good continuity and accuracy and the like, reduces manual intervention, and improves the production efficiency; by optimizing the structural design, the functions of accurate detection and automatic reset of the approaching state of the tray are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of AGV fork truck more specifically, it relates to a tray detection device. BACKGROUND

[0002] In the field of logistics warehousing and cargo transportation, as a standardized loading tool, the tray is widely used in the storage, handling and transportation process of goods; In order to ensure that goods can be accurately and efficiently forked and unloaded, the tray detection device is particularly important; However, the traditional tray detection method often depends on manual observation or simple mechanical switch, these methods not only low efficiency, there is also a high error rate and security risks;

[0003] Therefore, in order to overcome the deficiency of traditional tray detection method, improve the accuracy and efficiency of goods fork and unload, it is necessary to develop a tray detection device; The device needs to automatically and accurately detect whether the tray is in place, and stop the forward movement of the fork in time when the tray is forked in place, so as to avoid damage to goods or equipment; At the same time, the device also needs to have the characteristics of simple structure, easy to install and maintain, to adapt to the needs of different warehousing logistics system. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims at providing a tray detection device, which has the advantages.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a tray detection device, characterized by comprising: a fixed seat, a sliding assembly, a detection plate, a position detection switch for detecting the position of the detection plate and a reset assembly; The sliding assembly is threadedly connected with the fixed seat; The detection plate is fixedly connected with the sliding assembly; The position detection switch is fixedly connected with the fixed seat; One end of the reset assembly is fixedly connected with the fixed seat, and the other end is fixedly connected with the detection plate.

[0006] Optionally, the sliding assembly comprises: two sliding blocks, two limiters and two guide rails for moving the sliding blocks; Two guide rails are threadedly connected with the fixed seat respectively; Two sliding blocks are slidingly connected with the corresponding guide rails respectively; The detection plate is fixedly connected with the sliding block; The limiter is fixedly arranged on one end of the corresponding guide rail; The limiter can abut against the corresponding sliding block.

[0007] Optionally, the reset assembly comprises: a plurality of mounting seats and a plurality of extension springs corresponding to the mounting seats; One end of each extension spring is fixedly connected with the corresponding mounting seat, and the other end is fixedly connected with the detection plate; The mounting seat is threadedly connected with the fixed seat.

[0008] Optionally, the detection plate comprises a trigger plate for contacting the tray, a contact plate for shielding the trigger of the detection switch and a support plate; one end of the trigger plate is fixedly connected with the contact plate, and the other end is fixedly connected with the support plate; the contact plate is fixedly connected with one end of the reset component, and the support plate is fixedly connected with one end of the reset component.

[0009] Optionally, the detection end direction of the position detection switch is vertically downward along the gravity direction.

[0010] In summary, the utility model has the following beneficial effects:

[0011] 1、The sliding assembly comprises a sliding block, a limiting piece and a guide rail, which enables the detection plate to move smoothly on the guide rail, and the limiting piece effectively limits the movement range of the sliding block, preventing damage caused by excessive movement; this design not only improves the detection efficiency, but also prolongs the service life of the device.

[0012] 2、The reset component is composed of a mounting seat and a tension spring, which can quickly release energy and pull the detection plate back to the initial position when the tray leaves the detection area; this design ensures the continuity and accuracy of detection, while reducing the need for manual intervention.

[0013] 3、The detection plate comprises a trigger plate, a contact plate and a support plate, which enables the detection plate to fully contact the tray and shield the trigger of the detection switch through the contact plate, thereby achieving accurate detection of the approaching state of the tray. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the main structure schematic diagram of the utility model;

[0015] Figure 2 is the part explosion view angle schematic diagram of the utility model.

[0016] In the figure: 1, fixed seat; 2, sliding assembly; 21, sliding block; 22, limiting piece; 23, guide rail; 3, detection plate; 31, trigger plate; 32, contact plate; 33, support plate; 4, position detection switch; 5, reset component; 51, mounting seat; 52, tension spring. DETAILED DESCRIPTION

[0017] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below with reference to the drawings. The drawings show several embodiments of the utility model. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein.

[0018] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the above terms can be understood according to the specific circumstances the specific meaning of the utility model in the term "first", "second" is only for the purpose of description, and can not be understood as indicating or suggesting relative importance or implicitly indicating the number of indicated technical features.Therefore, the feature limited with "first", "second" can explicitly or implicitly include one or more features.

[0019] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the above terms can be understood according to the specific circumstances the specific meaning of the utility model in the term "first", "second" is only for the purpose of description, and can not be understood as indicating or suggesting relative importance or implicitly indicating the number of indicated technical features.Therefore, the feature limited with "first", "second" can explicitly or implicitly include one or more features.

[0020] The utility model is described in detail below in connection with the drawings and examples.

[0021] The utility model provides a kind of tray approaches detection device, as shown in Figure 1 Fixed seat, sliding assembly, detection plate, position detection switch for detecting the position of the detection plate and reset component;The sliding assembly is connected with the fixed seat by screw thread;The detection plate is fixedly connected with the sliding assembly;The position detection switch is fixedly connected with the fixed seat;One end of the reset component is fixedly connected with the fixed seat, and the other end is fixedly connected with the detection plate.

[0022] Specifically, a tray approach detection device, the structure mainly includes a fixed seat, a sliding assembly, a detection plate, a position detection switch and a reset assembly; these components work together to realize the detection of the approach state of the tray; the fixed seat is composed of several side plates of a fork, made of high-strength material to ensure the stability and durability of the device; the sliding assembly is connected with the fixed seat by threads to ensure the firmness and stability of the connection; the sliding assembly can move smoothly on the fixed seat to respond to the approach of the tray; the detection plate is fixedly connected with the sliding assembly, and will move when the tray approaches; the position detection switch is fixedly connected with the fixed seat to detect the position change of the detection plate; when the detection plate moves to a specific position, it will trigger the position detection switch to send a signal; one end of the reset assembly is fixedly connected with the fixed seat, and the other end is fixedly connected with the detection plate; when the tray leaves, the reset assembly will drive the detection plate back to the initial position.

[0023] Further, the sliding assembly comprises two sliders, two limiters and two guide rails for the movement of the sliders; the two guide rails are respectively connected with the fixed seat by threads; the two sliders are respectively connected with the corresponding guide rails by sliding; the detection plate is fixedly connected with the slider; the limiter is fixedly arranged on one end of the corresponding guide rail; the limiter can abut against the corresponding slider.

[0024] Specifically, as shown in Figure 2 The sliding assembly comprises two sliders, two limiters and two guide rails; the guide rail is connected with the fixed seat by threads to ensure the firmness and stability of the connection; the guide rail provides a moving path for the slider; the slider is connected with the guide rail by sliding, and can move smoothly on the guide rail; the detection plate is fixedly connected with the slider, so when the slider moves, the detection plate will also move; the limiter is fixedly arranged on one end of the guide rail to limit the movement range of the slider; when the slider moves to the limiter, it will abut against it to stop moving.

[0025] Further, the reset assembly comprises a plurality of mounting seats and a plurality of extension springs corresponding to the mounting seats; one end of each extension spring is fixedly connected with the corresponding mounting seat, and the other end is fixedly connected with the detection plate; the mounting seat is connected with the fixed seat by threads.

[0026] Specifically, as shown in Figure 1As shown, the reset assembly includes a plurality of mounting seats and a corresponding tension spring; the mounting seat is connected with the fixed seat through threads, ensuring the firmness and stability of the connection; the mounting seat provides a fixed point for the tension spring; one end of the tension spring is fixedly connected with the mounting seat, and the other end is fixedly connected with the detection plate; both ends of the tension spring can also use hooks, and the mounting seat and the detection plate are both provided with hook holes, one end of the tension spring hooks the hook hole on the mounting seat, and the other end hooks the hook hole on the detection plate; when the tray leaves, the tension spring will release its stored elastic potential energy, driving the detection plate back to the initial position.

[0027] Further, the detection plate includes a trigger plate for contacting the tray, a contact plate for shielding the contact plate from triggering the detection switch, and a support plate; one end of the trigger plate is fixedly connected with the contact plate, and the other end is fixedly connected with the support plate; the contact plate is fixedly connected with one end of the reset assembly, and the support plate is fixedly connected with one end of the reset assembly.

[0028] Specifically, as shown in Figure 2 The detection plate includes a trigger plate, a contact plate, and a support plate; the trigger plate is used to contact the tray, and when the tray approaches, it will push the trigger plate to move; the contact plate is used to shield the part of the position detection switch; when the trigger plate moves, it will drive the contact plate and the support plate to move together, thereby changing the relative position of the contact plate and the position detection switch; the support plate is fixedly connected with one end of the reset assembly, ensuring the stability and reliability of the detection plate.

[0029] Further, the detection end of the position detection switch is vertically downward along the direction of gravity.

[0030] Specifically, as shown in Figure 1 The detection end of the position detection switch is vertically downward along the direction of gravity; this design enables the position detection switch to more accurately detect the position change of the detection plate; when the detection plate moves to a specific position, the contact plate will shield the detection end of the position detection switch, thereby triggering the switch and sending a signal; this design improves the accuracy and reliability of detection.

[0031] In the implementation process, first, the fixed seat is composed of multiple side plates of the fork, which is made of high-strength materials such as high-quality steel or aluminum alloy to ensure the stability and durability of the entire device; The fixed seat is designed with precise threaded holes for subsequent stable connection with the guide rail; Then, install two guide rails on the fixed seat, which are tightly combined with the fixed seat through threaded connection, providing a stable and precise moving path for the sliding assembly; The length and position of the guide rail are customized according to actual needs to ensure smooth movement of the slider on it; Then, install two sliders on the two guide rails, which are made of wear-resistant and sliding materials and form a good sliding fit with the guide rail; The slider is provided with a connecting hole for fixing the detection plate, which is firmly installed on the slider by means of bolts or welding; The detection plate is composed of a trigger plate, a contact plate and a support plate, the trigger plate is used to contact the tray, the contact plate is used to shield and trigger the position detection switch, and the support plate provides stable support; The position detection switch is fixedly installed on the fixed seat, and the detection end direction is perpendicular to the downward gravity direction, so that when the detection plate moves to the appropriate position, the contact plate can accurately shield and trigger the detection switch; The type and sensitivity of the detection switch are selected according to actual needs to ensure the accuracy and reliability of the detection; Finally, install the reset assembly, which is composed of a plurality of mounting seats and a plurality of corresponding extension springs; The mounting seat is tightly combined with the fixed seat through threaded connection, one end of the extension spring is fixedly connected with the mounting seat, and the other end is fixedly connected with the detection plate; When the tray leaves the detection area, the extension spring can quickly release energy and pull the detection plate back to the initial position, ready for the next detection.

[0032] The tray detection device of the utility model, when there is no tray or the tray is not forked to the position, the detection plate slides backward away from the initial position under the push of the tray, in this state, the position detection switch cannot detect the detection plate, the trigger fork forward movement stop signal, the fork assembly stops forking goods, and the next action is executed; When the tray is unloaded, the detection plate can slide forward under the elastic force of the extension spring, in this state, the detection plate can be detected by the position detection switch, at this time, the device is in the trigger state, and the trolley can continue to fork other goods.

[0033] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A pallet approach detection device, characterized in that, The utility model relates to a position detection switch, and particularly relates to a position detection switch with reset function. It comprises a fixed seat, a sliding assembly, a detection plate, a position detection switch for detecting the position of the detection plate and a reset assembly. The sliding assembly is threadedly connected with the fixed seat. The detection plate is fixedly connected with the sliding assembly, the position detection switch is fixedly connected with the fixed seat, one end of the reset assembly is fixedly connected with the fixed seat, and the other end is fixedly connected with the detection plate.

2. The pallet approach detection device of claim 1, wherein The sliding assembly comprises two sliding blocks, two limiters and two guide rails for the movement of the sliding blocks.

3. The pallet approach detection device of claim 1, wherein, The two guide rails are respectively threadedly connected with the fixed seat.

4. The pallet approach detection device of claim 1, wherein, The detection plate is fixedly connected with the sliding blocks.

5. The pallet approach detection device of claim 1, wherein, The limiters are fixedly arranged on one end of the corresponding guide rails. The reset assembly comprises a plurality of mounting seats and a plurality of extension springs corresponding to the mounting seats. One end of each of the extension springs is fixedly connected with the corresponding mounting seat, and the other end is fixedly connected with the detection plate. The mounting seat is threadedly connected with the fixed seat. The detection plate comprises a trigger plate for contacting the tray, a contact plate for shielding the trigger of the detection switch and a support plate. One end of the trigger plate is fixedly connected with the contact plate, and the other end is fixedly connected with the support plate. The contact plate is fixedly connected with one end of the reset assembly, and the support plate is fixedly connected with one end of the reset assembly. The detection end of the position detection switch is vertically downward along the direction of gravity.

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