CN216763053U - In-place detection and control device for conveying device - Google Patents
In-place detection and control device for conveying device Download PDFInfo
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- CN216763053U CN216763053U CN202123313965.0U CN202123313965U CN216763053U CN 216763053 U CN216763053 U CN 216763053U CN 202123313965 U CN202123313965 U CN 202123313965U CN 216763053 U CN216763053 U CN 216763053U
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Abstract
The in-place detection and control device of the conveying device adopts a compound photoelectric positioning detection means, and the positioning precision of the conveying equipment is improved in a targeted manner through high-speed and low-speed switching of the positioning interval, so that the overshoot frequency is reduced, the readjustment positioning capability after overshoot is improved, and the logistics conveying use requirements of heavy load and high-speed operation are met. A group of photoelectric switches and a group of induction sheets are respectively and correspondingly arranged between the conveying device and the goods shelf; along carrying the traffic direction, for the location position of every layer of goods shelves, set up 2 photoelectric switch on same water flat line, with 2 response piece parallel arrangement and between the two formation overlap region.
Description
Technical Field
The utility model relates to a device for detecting and controlling the in-place operation of a logistics transportation cargo carrying platform, belonging to the field of electromechanical control.
Background
Along with the rapid development of domestic electronic commerce industry, the application of automatic sorting equipment is increasing day by day, conveying equipment such as a rail stacker and a lifter is generally used in logistics transition, a tray or a goods carrying platform and other devices are driven and controlled to accurately run from one working position and stop at another working position, and the running direction comprises horizontal conveying and vertical lifting. The auxiliary vertical warehouse finishes the operation of material warehousing and layer changing, and has strict precision requirement on the in-place accuracy of conveying equipment.
The existing logistics industry mainly has the following two control modes for the in-place accuracy of conveying equipment: firstly, high-precision positioning sensors such as a laser range finder and an encoder are adopted, although the detection precision is high, the equipment cost is high, and the detection precision is often difficult to meet the design requirement in the environment with severe environment such as the outdoor environment; secondly, adopt the simple and easy location mode of proximity formula such as photoelectric switch, this type of equipment is all lower to environmental requirement, cost, but positioning accuracy is relatively poor, is not suitable for the current logistics transportation heavy load and the high-speed operation's user demand. In addition, when the conveying equipment overshoots a detection point due to high running speed, the related detection means lack the capability of readjusting and recovering positioning
In view of this, the present patent application is specifically proposed.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a conveying device in-place detection and control device, which is used for solving the problems in the prior art and adopts a compound photoelectric positioning detection means to pertinently improve the positioning precision of conveying equipment by switching between high speed and low speed of a positioning interval, thereby reducing the overshoot frequency, improving the readjustment positioning capability after overshoot and meeting the use requirements of logistics conveying adapting to heavy load and high-speed operation.
In order to achieve the design purpose, the in-place detection and control device of the conveying device is characterized in that a group of photoelectric switches and a group of induction sheets are respectively and correspondingly arranged between the conveying device and a goods shelf; along carrying the traffic direction, for the location position of every layer of goods shelves, set up 2 photoelectric switch on same water flat line, with 2 response piece parallel arrangement and between the two formation overlap region.
Furthermore, a group of first photoelectric switch fixing supports and a group of second photoelectric switch fixing supports are arranged on one side of the conveying device; one side of the shelf is provided with a group of first induction sheets and second induction sheets.
Furthermore, a group of first photoelectric switch fixing supports and a group of second photoelectric switch fixing supports are arranged on the side portion of the conveying device frame, and the first photoelectric switch and the second photoelectric switch are respectively installed on the first photoelectric switch fixing supports and the second photoelectric switch fixing supports.
Furthermore, the goods shelf has a multilayer structure, and a first sensing sheet and a second sensing sheet are arranged on a profile frame vertical to each layer of the goods shelf; the section bar frame is provided with a hollow cavity, and a vertical positioning groove is formed in the hollow cavity; the first induction sheet and the second induction sheet are both provided with an L-shaped integral structure, and a plurality of positioning screw holes are vertically arranged along the first induction sheet and the second induction sheet; run through the constant head tank respectively through T type bolt and carry out fixed connection with first response piece, second response piece, carry out the locking through the nut on T type bolt, the section bar frame outside.
In summary, the in-place detection and control device of the conveying device has the following advantages:
1. the positioning control solution is low in cost, not only can be suitable for horizontal operation positioning, but also can be suitable for vertical lifting positioning, and the application prospect is wide.
2. The application adopts a compound photoelectric positioning detection mode, can obviously improve the positioning precision, simultaneously provides a high-low speed operation switching interval, effectively solves the problem of readjustment positioning after overshoot, and has accurate and simple repeated positioning.
3. On the premise of applying the application, the length and the positioning precision of the high-speed and low-speed switching section can be flexibly and accurately adjusted, so that the method and the device can be suitable for the use requirements of heavy load and high-speed operation of a conveying device.
Drawings
The present application will now be further described with reference to the following drawings.
FIG. 1 is a schematic diagram of a hoist employing the conveyor in-place detection and control method of the present application;
FIG. 2 is a side schematic view of the structure shown in FIG. 1;
FIG. 3 is a schematic structural view of a photoelectric sensing support;
FIG. 4 is a schematic horizontal cross-sectional view of the structure shown in FIG. 3;
FIG. 5 is a diagram showing the position relationship between the photoelectric switch and the sensing piece when the conveying device is in place;
in the attached drawings, the structure comprises a frame 1, a first photoelectric switch fixing support 2, a second photoelectric switch fixing support 3, a first photoelectric switch 4, a second photoelectric switch 5, a section bar frame 6, a first sensing piece 7, a second sensing piece 8, a cargo carrying table 9, a T-shaped bolt 10, a nut 11 and a positioning groove 12.
Detailed Description
Embodiment 1, as shown in fig. 1 to 5, the in-place detection and control device of the conveying device according to the present application is applied to a hoist that vertically ascends and descends, and realizes accurate positioning between multi-layer shelves in a heavy-load high-speed running state.
The lifting machine is provided with a frame 1, and a goods carrying platform 9 is pulled by a lifting chain to vertically lift along the frame 1 so as to transport goods to a goods shelf on a specified layer, thereby completing the transfer of goods.
A group of first photoelectric switch fixing support 2 and a group of second photoelectric switch fixing support 3 are arranged on the side portion of the frame 1, a first photoelectric switch 4 and a second photoelectric switch 5 are respectively installed on the first photoelectric switch fixing support 2 and the second photoelectric switch fixing support 3, and the first photoelectric switch 4 and the second photoelectric switch 5 are mutually positioned on the same horizontal line.
The goods shelf has a multilayer structure, a group of first sensing pieces 7 and second sensing pieces 8 are arranged on a section bar frame 6 vertical to each layer of the goods shelf, the first sensing pieces 7 and the second sensing pieces 8 are vertically arranged, an overlapping area is arranged between the first sensing pieces 7 and the second sensing pieces 8, the adjusting and positioning precision is adjusted by adjusting the reaction time of triggering 2 photoelectric switches simultaneously, and the adjusting and positioning precision is related to the running speed of the conveying device.
Further, the section bar frame 6 is provided with a hollow cavity, and a vertical positioning groove 12 is formed in the hollow cavity;
the first induction sheet 7 and the second induction sheet 8 are both provided with an L-shaped integral structure, a plurality of positioning screw holes are vertically arranged along the first induction sheet 7 and the second induction sheet 8, and the distance of the conveying device during operation from high speed to low speed can be adjusted by changing the integral length of the first induction sheet 7 and the second induction sheet 8, namely the time from low speed to positioning stop can be correspondingly adjusted.
The T-shaped bolt 10 penetrates through the positioning groove 12 and is fixedly connected with the first induction sheet 7 and the second induction sheet 8 respectively, and the T-shaped bolt 10 and the outer side of the section bar frame 6 are locked through the nut 11.
Based on the application of the in-place detection and control device of the conveying device, the application provides the following in-place detection and control method of the conveying device:
a group of photoelectric switches and a group of induction sheets are respectively and correspondingly arranged between the conveying device and the goods shelf;
2 photoelectric switches are arranged on the same horizontal line along the conveying running direction and relative to the positioning position of each layer of goods shelf, 2 induction sheets are arranged in parallel, and an overlapping area is formed between the induction sheets and the goods shelf;
in the embodiment, a group of a first photoelectric switch fixing bracket 2 and a second photoelectric switch fixing bracket 3 are arranged on one side of the conveying device; a group of first induction sheets 7 and second induction sheets 8 are arranged on one side of the goods shelf.
The method comprises the following steps:
1) in the initial setting, the method comprises the following steps of,
measuring the height of the goods shelf layer and determining the positioning position between the conveying device layers;
according to the positioning position, a group of photoelectric switches and a group of induction sheets are respectively and correspondingly arranged between the conveying device and the goods shelf;
when the device is installed, the 2 photoelectric switches are arranged on the same horizontal line, the 2 induction pieces are arranged in parallel along the conveying direction, and an overlapping area is formed between the two induction pieces;
2) the detection and the control are carried out,
in the operation process of the conveying device, when the photoelectric switch is triggered for the first time, the operation speed is switched from high speed to low speed; when the photoelectric switch is triggered for the second time and the photoelectric switch triggered for the first time is still conducted, the conveying device stops running and reaches a specified station;
if the photoelectric switch is triggered for the second time and the photoelectric switch triggered for the first time is disconnected, the conveying device runs reversely at a low speed until the 2 photoelectric switches are simultaneously in a conducting state, the conveying device stops running, and the goods start to be transferred;
if the conveying device can not trigger 2 photoelectric switches to be conducted simultaneously even if the conveying device operates repeatedly, and the number of times is more than 5, the conveying device stops operating, an alarm signal is sent to the PLC, and manual intervention processing is waited;
3) the adjustment and the intervention treatment are carried out,
adjusting the running distance and the time length for the conveying device to reach the specified stop station after being switched to the low speed;
and adjusting the running distance or the running time of the conveying device from the first triggering of the photoelectric switch to the simultaneous conduction of the 2 photoelectric switches.
To further improve the accuracy of the in-place detection, different overall lengths of the 2 sensing pieces can be selected to change the distance of the deceleration operation before the conveying device reaches the designated stop station, and therefore, the operation time length is changed.
In order to further improve the sensitivity, i.e. the accuracy, of the in-place detection, different lengths of the overlapping regions of the 2 sensing pieces in the conveying direction can be selected so as to change the running distance from the first triggering of the photoelectric switch to the simultaneous conduction of the 2 photoelectric switches, and thus change the running time.
In the embodiment, the shelf has a multilayer structure, and a group of first sensing sheets 7 and second sensing sheets 8 are arranged on a profile frame 6 vertical to each layer of shelf; the section bar frame 6 is provided with a hollow cavity, and a vertical positioning groove 12 is formed in the hollow cavity;
The T-shaped bolt 10 penetrates through different positioning screw holes of the first induction sheet 7 and the second induction sheet 8 to adjust the length of the overlapped area of the 2 induction sheets along the conveying direction.
According to the in-place detection and control method for the conveying device, the structural design of a signal loop of a photoelectric detection system and the connection and control of a PLC control system of the conveying device belong to the use of the known technology, and are not described in detail herein.
In summary, the embodiments presented in connection with the figures are only preferred. Those skilled in the art can derive other alternative structures according to the design concept of the present invention, and the alternative structures should also fall within the scope of the solution of the present invention.
Claims (4)
1. The utility model provides a conveyor detection and control device that targets in place which characterized in that: a group of photoelectric switches and a group of induction sheets are respectively and correspondingly arranged between the conveying device and the goods shelf;
along the conveying direction, for the location position of every layer of goods shelves, set up 2 photoelectric switch on same water flat line, with 2 response piece parallel arrangement and form overlap region between the two.
2. The conveyor in-place detection and control device of claim 1, wherein: a group of first photoelectric switch fixing supports and a group of second photoelectric switch fixing supports are arranged on one side of the conveying device; one side of the goods shelf is provided with a group of first induction sheets and second induction sheets.
3. The conveyor in-place detection and control device of claim 2, wherein: a group of first photoelectric switch fixing supports and a group of second photoelectric switch fixing supports are arranged on the side portion of the conveying device frame, and a first photoelectric switch and a second photoelectric switch are respectively installed on the first photoelectric switch fixing supports and the second photoelectric switch fixing supports.
4. The conveyor in-place detection and control device of claim 2 or 3, wherein: the goods shelf is of a multilayer structure, and a first sensing piece and a second sensing piece are arranged on a profile frame vertical to each layer of the goods shelf;
the section bar frame is provided with a hollow cavity, and a vertical positioning groove is formed in the hollow cavity;
the first induction sheet and the second induction sheet are both provided with an L-shaped integral structure, and a plurality of positioning screw holes are vertically arranged along the first induction sheet and the second induction sheet; run through the constant head tank respectively through T type bolt and carry out fixed connection with first response piece, second response piece, carry out the locking through the nut on T type bolt, the section bar frame outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123313965.0U CN216763053U (en) | 2021-12-27 | 2021-12-27 | In-place detection and control device for conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123313965.0U CN216763053U (en) | 2021-12-27 | 2021-12-27 | In-place detection and control device for conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216763053U true CN216763053U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123313965.0U Active CN216763053U (en) | 2021-12-27 | 2021-12-27 | In-place detection and control device for conveying device |
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| Country | Link |
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| CN (1) | CN216763053U (en) |
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2021
- 2021-12-27 CN CN202123313965.0U patent/CN216763053U/en active Active
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