Anti-mistaken-entering device and safe feeding system

Abstract

The utility model relates to the technical field of safety devices, in particular to a mistaken entering prevention device and a safety feeding system. The mistaken entering prevention device comprises a detection mechanism, a triggering mechanism and an action mechanism. The detection mechanism comprises a detection photoelectric part and a first reflector, the detection photoelectric part and the first reflector are oppositely arranged on the two sides of the tray outlet, a first detection path is formed between the detection photoelectric part and the first reflector, and the trigger mechanism is arranged at the tray outlet; when no tray exists at the tray outlet, the trigger mechanism has a first state, and the action mechanism is located at a first position where the first detection path is not shielded; when the tray exists at the tray outlet, the trigger mechanism has a second state, the action mechanism is located at a second position for shielding the first detection path, and a second detection path is formed between the photoelectric detector and the action mechanism. According to the mistaken entering prevention device, when a tray is arranged at the tray outlet and taken away by a worker, the feeding robot keeps running and continues feeding, the production rhythm is maintained, and the production efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety device technical field especially is involved in a kind of anti-entering device and safety feeding system. BACKGROUND

[0002] The working procedure of feeding robot in workshop is to grab material from pallet and place it on plate chain for transmission, and when the material on pallet is all grabbed, the feeding robot will move empty pallet to pallet track. The feeding robot repeats the above operation until the empty pallets accumulated on pallet track reach a certain height, and then the pallet track operates to make the accumulated empty pallets reach pallet outlet, and then the staff reaches pallet outlet to carry away the accumulated empty pallets.

[0003] The existing anti-entering device is arranged at pallet outlet, and the feeding robot will receive signal and stop feeding action when the staff enters pallet outlet at any time. Although the existing anti-entering device can ensure the personal safety of staff close to the feeding robot during operation, the feeding robot will also stop running during the time when the staff reaches pallet outlet and carries away the accumulated empty pallets, so that feeding is stopped, the production rhythm is affected, and the production efficiency is reduced. SUMMARY

[0004] The utility model aims at providing an anti-entering device and safety feeding system to alleviate the problem that the existing anti-entering device causes the feeding robot to stop running during the time when the staff reaches pallet outlet and carries away the accumulated empty pallets, thereby reducing production efficiency.

[0005] To solve the above technical problem, the technical solution provided by the utility model is as follows:

[0006] In the first aspect, the utility model provides an anti-entering device, which comprises a detection mechanism, a trigger mechanism and an action mechanism, the detection mechanism is signal-connected with feeding manipulator, the trigger mechanism is signal-connected with the action mechanism;

[0007] The detection mechanism comprises detection photoelectric cell and first reflective plate, the detection photoelectric cell and the first reflective plate are oppositely arranged on both sides of pallet outlet, a first detection path is formed between the detection photoelectric cell and the first reflective plate, and the trigger mechanism is arranged at the pallet outlet.

[0008] When there is no pallet at the pallet outlet, the trigger mechanism has a first state, and the action mechanism is at a first position that does not block the first detection path.

[0009] When the tray outlet has a tray, the trigger mechanism has a second state, the action mechanism is in a second position shielding the first detection path, and a second detection path is formed between the detection photoelectric and the action mechanism.

[0010] Further, the trigger mechanism comprises a base and a rocker, the base is fixedly installed on the tray track, and the rocker is rotationally connected to the base.

[0011] Further, an elastic reset member is arranged between the rocker and the base.

[0012] Further, the detection photoelectric is fixedly arranged at the top of the first detection fence.

[0013] Further, the first reflective plate is fixedly arranged at the top of the second detection fence, an open space is formed between the first detection fence and the second detection fence, and the first reflective plate is at the same height as the detection photoelectric.

[0014] Further, the action mechanism comprises a driving member and a second reflective plate, the second reflective plate is connected to the top of the driving member, and the driving member is signal-connected to the rocker.

[0015] Further, the driving member comprises a pneumatic cylinder, the pneumatic cylinder is fixedly installed on the first detection fence, and the telescopic end of the pneumatic cylinder is connected to the second reflective plate.

[0016] Further, the driving member comprises a sliding block, the first detection fence is provided with a sliding groove in the height direction, the sliding block is slidingly matched with the sliding groove, and the top of the sliding block is connected with the second reflective plate.

[0017] Further, the detection photoelectric is signal-connected to the feeding manipulator through a programmable logic controller and a relay.

[0018] In the second aspect, the utility model provides a kind of safe feeding system, including the anti-entering device of first aspect.

[0019] The utility model at least has following beneficial effects:

[0020] The utility model provides a kind of prevent mistaken entry device, comprising: detection mechanism, trigger mechanism and action mechanism, detection mechanism is connected with feeding manipulator signal, detection mechanism can pass through signal control the running and stop of feeding manipulator;Trigger mechanism is connected with action mechanism signal, trigger mechanism can pass through signal control the position of action mechanism.Detection mechanism includes detection photoelectricity and first reflector, detection photoelectricity and first reflector are oppositely arranged in the both sides of tray outlet, first detection path is formed between detection photoelectricity and first reflector, the light emitted by detection photoelectricity can return detection photoelectricity after the reflection of first reflector, to realize for whether there is shelter on first detection path to make judgment;Trigger mechanism is arranged at tray outlet, trigger mechanism can realize different state according to whether there is tray in tray outlet.When there is no tray in tray outlet, trigger mechanism has first state, action mechanism is in the first position of not sheltering first detection path, any personnel is not allowed to approach tray outlet at this time, if there is personnel approaching tray outlet, first detection path will be sheltered, detection photoelectricity immediately sends stoppage signal to feeding manipulator, so that feeding manipulator immediately stops action, to ensure the safety of personnel.When there is tray in tray outlet, trigger mechanism has second state, action mechanism is in the second position of sheltering first detection path, second detection path is formed between detection photoelectricity and action mechanism, the light emitted by detection photoelectricity can return detection photoelectricity after the reflection of action mechanism at this time, to realize for whether there is shelter on second detection path to make judgment, only when worker intrudes between detection photoelectricity and action mechanism and shelters second detection path, detection photoelectricity will send stoppage signal to feeding manipulator, so that feeding manipulator stops action, so that worker can reach tray outlet and remove the accumulated empty tray, feeding manipulator does not stop running at this time.

[0021] Prevent mistaken entry device through the linkage cooperation of detection mechanism, trigger mechanism and action mechanism, not only can guarantee the personal safety of personnel approaching when there is no tray in tray outlet, but also can keep running and continue feeding when there is tray in tray outlet and worker removes, maintain production rhythm, ensure production efficiency.

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the related art, the following will briefly introduce the drawings needed to be used in the specific embodiment or related art description, obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0024] Figure 1 The schematic view of the anti-misentry device provided by the embodiment one of the present application;

[0025] Figure 2 The schematic view of the driving member connected with the second reflective plate provided by the embodiment one of the present application;

[0026] Figure 3 The schematic view of the safety loading system provided by the embodiment two of the present application.

[0027] Icon:

[0028] 100-detection mechanism; 110-detection photoelectric; 120-first reflective plate;

[0029] 200-trigger mechanism; 210-base; 220-rocker;

[0030] 300-action mechanism; 310-driving member; 320-second reflective plate;

[0031] 400-loading manipulator; 500-tray exit; 600-tray track; 710-first detection fence; 720-second detection fence; 800-programmable logic controller; 900-relay. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0033] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] In the description of the utility model, it needs to be explained that, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Physical quantities in the formula, such as no separate marking, should be understood as the basic quantity of the international system of units, or the derived quantity derived from the basic quantity by multiplication, division, differentiation or integration and the like mathematical operation.

[0035] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0036] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other. Among them, Figure 1 The schematic diagram of the anti-misentry device provided by the utility model embodiment one is shown in the figure. Figure 2 The schematic diagram of the driving member connected with the second reflective plate provided by the utility model embodiment one is shown in the figure. Figure 3 The schematic diagram of the safety feeding system provided by the utility model embodiment two is shown in the figure.

[0038] Embodiment one

[0039] The existing anti-misentry device is arranged at the tray outlet, and the feeding robot will receive the signal and stop the feeding action when the staff enters the tray outlet at any time. Although the existing anti-misentry device can ensure the personal safety of the staff near the running feeding robot, the feeding robot will also stop running during the time when the staff reaches the tray outlet and removes the accumulated empty trays, so that the feeding is stopped, the production rhythm is affected, and the production efficiency is reduced.

[0040] Therefore, the utility model discloses an anti - mistake device, comprising: detection mechanism 100, trigger mechanism 200 and action mechanism 300, detection mechanism 100 is connected with the signal of feeding manipulator 400, and detection mechanism 100 can pass through signal control and stop the operation of feeding manipulator 400, trigger mechanism 200 is connected with the signal of action mechanism 300, and trigger mechanism 200 can pass through signal control and the position of action mechanism 300, detection mechanism 100 includes detection photoelectricity 110 and first reflector 120, and detection photoelectricity 110 and first reflector 120 are oppositely arranged on both sides of tray outlet 500, and first detection path is formed between detection photoelectricity 110 and first reflector 120, and the light of detection photoelectricity 110 can return detection photoelectricity 110 after the reflection of first reflector 120, to realize whether the judgement for the first detection path has the shelter, trigger mechanism 200 is arranged in tray outlet 500, and trigger mechanism 200 can realize different states according to whether tray outlet 500 has tray, when tray outlet 500 has no tray, trigger mechanism 200 has the first state, and action mechanism 300 is in the first position of not sheltering first detection path, at this moment, any personnel is not allowed to approach tray outlet 500, and if personnel approaches tray outlet 500, first detection path will be sheltered, and detection photoelectricity 110 immediately sends the stoppage signal to feeding manipulator 400, so that feeding manipulator 400 immediately stops action, to guarantee the safety of personnel, when tray outlet 500 has tray, trigger mechanism 200 has the second state, and action mechanism 300 is in the second position of sheltering first detection path, and second detection path is formed between detection photoelectricity 110 and action mechanism 300, at this moment, the light of detection photoelectricity 110 can return detection photoelectricity 110 after the reflection of action mechanism 300, to realize whether the judgement for second detection path has the shelter, only when the worker intrudes between detection photoelectricity 110 and action mechanism 300 and shelters second detection path, detection photoelectricity 110 will send the stoppage signal to feeding manipulator 400, so that feeding manipulator 400 stops action, and thus the worker can reach tray outlet 500 and remove the accumulated empty tray, and at this moment, feeding manipulator 400 will not stop running.

[0041] The anti - mistake device passes through the linkage cooperation of detection mechanism 100, trigger mechanism 200 and action mechanism 300, not only can guarantee the personal safety of approaching personnel when tray outlet 500 has no tray, but also can keep running and continue feeding when tray outlet 500 has tray and the worker removes, maintains production rhythm, guarantees production efficiency.

[0042] In an optional mode of the embodiment, the triggering mechanism 200 comprises a base 210 and a rocker 220, the base 210 is fixedly installed on the tray track 600, and the rocker 220 is rotationally connected to the base 210, and the rocker 220 is located in the tray placement space of the tray outlet 500.

[0043] Please refer to Figure 1 , the base 210 is fixedly installed on the side of the tray track 600 close to the detection photoelectric cell 110, and the rocker 220 is rotationally connected to the base 210. When the tray outlet 500 is empty, the rocker 220 is in a horizontal position pointing to the first reflective plate 120; when the stacked trays move to the tray placement space of the tray outlet 500, the rocker 220 rotates counterclockwise to the position shown in Figure 1 under the pushing force of the trays; when the trays fully occupy the tray outlet 500, the pushing force of the trays makes the rocker 220 point to the left direction in Figure 1 ; and when the stacked trays in the tray outlet 500 are transported away, the rocker 220 rotates again to the initial horizontal position. Since the rocker 220 is signal-connected to the action mechanism 300, different positions of the rocker 220 correspond to different positions of the action mechanism 300, thereby realizing the switching of the first detection path and the second detection path.

[0044] In an optional mode of the embodiment, an elastic reset member is arranged between the rocker 220 and the base 210.

[0045] The arrangement of the elastic reset member can make the rocker 220 rotate to the initial horizontal position after the stacked trays in the tray outlet 500 are transported away. Specifically, the elastic reset member can be a reset spring, an elastic rod or other elastic components.

[0046] In an optional mode of the embodiment, the detection photoelectric cell 110 is fixedly arranged on the top of the first detection fence 710.

[0047] Please refer to Figure 1 , the first detection fence 710 is arranged on one side of the tray outlet 500 in the height direction, and the detection photoelectric cell 110 is fixedly installed on the top of the first detection fence 710. It should be noted that the installation height of the detection photoelectric cell 110 needs to match the height of an average person and cannot be set too high or too low, and can be installed at a height of about 1.2 m.

[0048] In an optional mode of the embodiment, the first reflective plate 120 is fixedly arranged on the top of the second detection fence 720, the first detection fence 710 and the second detection fence 720 form an open space, and the first reflective plate 120 is at the same height as the detection photoelectric cell 110.

[0049] Please refer to Figure 1, the second detection fence 720 is arranged on the other side of the tray outlet 500 in the height direction, the first reflective plate 120 is fixedly installed on the top of the second detection fence 720, in order to realize effective detection of the detection photoelectric cell 110, the first reflective plate 120 needs to be at the same height as the detection photoelectric cell 110. When the tray outlet 500 has a tray to be taken away, the staff can enter from the opening space between the first detection fence 710 and the second detection fence 720, at this time the feeding robot will continue to feed.

[0050] In an optional mode of the embodiment, the action mechanism 300 includes a driving member 310 and a second reflective plate 320, the second reflective plate 320 is connected to the top of the driving member 310, and the driving member 310 is in signal connection with the rocker 220.

[0051] The driving member 310 here can adopt the following two setting modes. Mode one: please refer to Figure 2 The driving member 310 includes a pneumatic cylinder, the pneumatic cylinder is fixedly installed on the first detection fence 710, and the telescopic end of the pneumatic cylinder is connected with the second reflective plate 320.

[0052] When the tray outlet 500 has no tray, the rocker 220 is in a horizontal position pointing to the first reflective plate 120, the rocker 220 controls the telescopic end of the pneumatic cylinder to retract, so that the height of the second reflective plate 320 on the top of the pneumatic cylinder is lower than the height of the first reflective plate 120 and the detection photoelectric cell 110, and the second reflective plate 320 will not block the first detection path. At this time, if a staff enters the tray outlet 500, the first detection path will be blocked, and the detection photoelectric cell 110 will immediately send a stop signal to the feeding manipulator 400, so that the feeding manipulator 400 immediately stops. When the tray outlet 500 has a tray, the rocker 220 will rotate counterclockwise under the pushing force of the tray, the rocker 220 controls the telescopic end of the pneumatic cylinder to extend, so that the second reflective plate 320 on the top of the pneumatic cylinder is at the same height as the first reflective plate 120 and the detection photoelectric cell 110, the second reflective plate 320 blocks the first detection path, and the second detection path is formed between the detection photoelectric cell 110 and the second reflective plate 320. At this time, the staff can reach the tray outlet 500 and take away the accumulated empty trays, and the feeding manipulator 400 will not stop running. After the tray is taken away, the rocker 220 is reset to the initial horizontal position, the second reflective plate 320 is lowered, and the detection of the original first detection path is restored.

[0053] Mode two: the driving member 310 includes a sliding block, the first detection fence 710 is provided with a sliding groove in the height direction, the sliding block is in sliding cooperation with the sliding groove, and the top of the sliding block is connected with the second reflective plate 320.

[0054] When the tray outlet 500 is empty, the rocker 220 is in a horizontal position pointing to the first reflective plate 120, the rocker 220 controls the slider to be in a lower height, so that the height of the second reflective plate 320 on the top of the slider is lower than the height of the first reflective plate 120 and the detection photoelectric cell 110, and the second reflective plate 320 does not block the first detection path. At this time, if a person enters the tray outlet 500, the first detection path will be blocked, and the detection photoelectric cell 110 immediately sends a stop signal to the feeding manipulator 400, so that the feeding manipulator 400 immediately stops moving. When the tray outlet 500 has a tray, the rocker 220 will rotate counterclockwise under the pushing force of the tray, and the rocker 220 controls the slider to rise along the sliding groove, so that the second reflective plate 320 on the top of the slider is at the same height as the first reflective plate 120 and the detection photoelectric cell 110, the second reflective plate 320 blocks the first detection path, and the detection photoelectric cell 110 and the second reflective plate 320 form a second detection path. At this time, the worker can reach the tray outlet 500 and transport the accumulated empty trays away, and the feeding manipulator 400 will not stop running. After the tray is taken away, the rocker 220 returns to the initial horizontal position, and the slider and the second reflective plate 320 are lowered again to restore the original first detection path detection.

[0055] In an optional mode of the embodiment, please refer to Figure 1 The detection photoelectric cell 110 is signal connected with the feeding manipulator 400 through the programmable logic controller 800 and the relay 900, so as to realize real-time control of the running and stopping of the feeding manipulator 400.

[0056] Embodiment two

[0057] The embodiment of the utility model provides a safe feeding system, including the mistake prevention device of embodiment one. Please refer to Figure 3 The feeding manipulator 400 grabs the material on the tray of the feeding plate chain and places it on the conveying plate chain for transmission, and after the material on the tray is completely grabbed, the feeding manipulator 400 moves the empty tray to the tray track 600. The feeding manipulator 400 repeats the above operation until the accumulated empty trays on the tray track 600 reach a certain height, the tray track 600 runs, so that the accumulated empty trays reach the tray outlet 500, and then the worker reaches the tray outlet 500 to transport the accumulated empty trays away. Due to the arrangement of the mistake prevention device, the feeding robot can continue feeding and maintain the production rhythm and ensure the production efficiency when the worker takes away the tray of the tray outlet 500.

[0058] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An anti-intrusion device, characterized in that The device comprises a detection mechanism (100), a triggering mechanism (200) and an action mechanism (300), the detection mechanism (100) is signal connected with a feeding manipulator (400), the triggering mechanism (200) is signal connected with the action mechanism (300); the detection mechanism (100) comprises a detection photoelectric element (110) and a first reflective plate (120), the detection photoelectric element (110) and the first reflective plate (120) are oppositely arranged on both sides of a tray outlet (500), a first detection path is formed between the detection photoelectric element (110) and the first reflective plate (120), and the triggering mechanism (200) is arranged on the tray outlet (500); when the tray outlet (500) is without a tray, the triggering mechanism (200) has a first state, and the action mechanism (300) is in a first position which does not shield the first detection path; when the tray outlet (500) has a tray, the triggering mechanism (200) has a second state, the action mechanism (300) is in a second position which shields the first detection path, and a second detection path is formed between the detection photoelectric element (110) and the action mechanism (300).

2. The device according to claim 1, wherein the triggering mechanism (200) comprises a base (210) and a rocker (220), the base (210) is fixedly installed on a tray track (600), the rocker (220) is rotationally connected to the base (210), and the rocker (220) is located in a tray placing space of the tray outlet (500).

3. The device according to claim 2, wherein an elastic reset member is arranged between the rocker (220) and the base (210).

4. The device according to claim 2, wherein the detection photoelectric element (110) is fixedly arranged on the top of a first detection fence (710).

5. The device according to claim 4, wherein the first reflective plate (120) is fixedly arranged on the top of a second detection fence (720), an opening space is formed between the first detection fence (710) and the second detection fence (720), and the first reflective plate (120) is at the same height as the detection photoelectric element (110).

6. The device according to claim 5, wherein the action mechanism (300) comprises a driving member (310) and a second reflective plate (320), the second reflective plate (320) is connected to the top of the driving member (310), and the driving member (310) is signal connected with the rocker (220).

7. The device according to claim 6, wherein the driving member (310) comprises a pneumatic cylinder, the pneumatic cylinder is fixedly installed on the first detection fence (710), and the telescopic end of the pneumatic cylinder is connected with the second reflective plate (320).

8. The device according to claim 6, wherein ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The driving member (310) comprises a sliding block, the first detection fence (710) is provided with a sliding groove in the height direction, and the sliding block is in sliding fit with the sliding groove, and the top of the sliding block is connected with the second reflective plate (320).

9. The anti-intrusion device of claim 1, wherein, The detection photoelectric element (110) is signal connected with the feeding manipulator (400) through a programmable logic controller (800) and a relay (900).

10. A safe loading system characterized by, The anti-intrusion device of any one of claims 1-9.

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