CN112623608B - Switch combination application structure for split type skid conveying - Google Patents
Switch combination application structure for split type skid conveying Download PDFInfo
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- CN112623608B CN112623608B CN202011484159.7A CN202011484159A CN112623608B CN 112623608 B CN112623608 B CN 112623608B CN 202011484159 A CN202011484159 A CN 202011484159A CN 112623608 B CN112623608 B CN 112623608B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G13/00—Roller-ways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention relates to the technical field of conveyor control, and particularly discloses a switch combination application structure for split type skid conveying, which comprises a rolling bed, wherein a first occupation proximity sensor and a second occupation proximity sensor which are symmetrical are arranged on two sides of the front end of the rolling bed, a first stop proximity sensor and a second stop proximity sensor which are symmetrical are arranged on two sides of the tail end of the rolling bed, a first split type skid and a second split type skid are arranged on the rolling bed in a sliding mode, and the first occupation proximity sensor, the second occupation proximity sensor, the first stop proximity sensor and the second stop proximity sensor are all electrically connected with a controller. According to the invention, whether the first split type skid and the second split type skid keep basic synchronous conveying or not is judged, and when the first split type skid and the second split type skid cannot keep basic synchronous conveying, the controller stops the automatic operation of the related rolling beds, so that the damage to the split type skids and equipment is avoided.
Description
Technical Field
The invention relates to the technical field of conveyor control, in particular to a switch combined application structure for split type skid conveying.
Background
The structure taking a skid as a conveying carrier is widely used in a logistics conveying line system, wherein the structure is most widely applied to welding workshops and coating workshops of automobile manufacturers, and is mainly applied to various storage, conveying and process line bodies of the welding workshops and the coating workshops. Has the following characteristics: the same type of skid conveying carrier can be used for realizing a stepping type and a continuous type conveying mode, and different conveying pitches of the skid can be realized according to different process requirements; the circulation of the skid carriers can be realized in a plurality of conveying line bodies; the high-speed conveying and accurate positioning of the skid can be realized; the empty skids can be stacked and stored, the length and the space of the empty skid storage line are reduced, and the cost is saved.
The mechanical structure of the skid is generally integrated, and a positioning pin device on the skid is used for positioning an object to be conveyed. However, depending on the plant layout or the specificity of the line routing structure or the production requirements, a skid of an integral mechanical structure may not be used. The mechanical structure of the skid needs to be adjusted according to the requirement, and the mechanical structure of the split type skid is generated, as shown in fig. 1, namely a split type skid 6 and a split type skid 7. The split type skid is conveyed in the following mode: the method comprises the following steps that a locking device is used for locking a split type skid 6 and a split type skid 7 on an object to be conveyed, so that the split type skid 6 and the split type skid 7 and the object to be conveyed form a whole body temporarily for conveying, after the object to be conveyed is conveyed to a transshipment station, an unlocking device is used for separating the split type skid 6 and the split type skid 7 from the object to be conveyed, the split type skid 6 and the split type skid 7 are continuously conveyed to an upper work station according to process requirements, and next circulation is carried out; or the split type skid 6 and the split type skid 7 are conveyed to a designated station and separated from the line body to be carried manually.
According to the mechanical structure of the split type skid, different problems exist between the conveying stage of the empty skid and the integral skid. The mechanical structure of the split type skid limits that the split type skid 6 and the split type skid 7 must be separately conveyed, and the split type skid 6 and the split type skid 7 are conveyed on the same rolling bed in synchronization theoretically, such as the relative position relationship shown in fig. 1; in fact, according to the difference in manufacturing, the difference in oil contamination during the use of the split skid, the difference in manufacturing of the roller bed rollers, and the difference in various mechanical resistances, the friction coefficients of the respective transportation of the split skid 6 and the split skid 7 are inevitably different, and due to the above reasons, the asynchronization of the transportation of the split skid 6 and the split skid 7 is inevitably caused. When the split type skids 6 and 7 are not conveyed synchronously, the front skids and the rear skids are impacted to damage the skids and equipment.
Disclosure of Invention
The invention provides a switch combined application structure for split type skid conveying, which aims at overcoming the defects in the prior art, can detect whether a first split type skid and a second split type skid keep basic synchronous conveying or not at the no-load conveying stage of the split type skids, and can timely detect and send out sound and light alarm when the first split type skid and the second split type skid cannot be basically synchronous in conveying.
As a first aspect of the invention, a switch combined application structure for split skid conveying is provided,
the device comprises a rolling machine, wherein a first occupation proximity sensor and a second occupation proximity sensor which are symmetrical are arranged on two sides of the front end of the rolling machine, a first stopping proximity sensor and a second stopping proximity sensor which are symmetrical are arranged on two sides of the tail end of the rolling machine, a first split type skid and a second split type skid are arranged on the rolling machine in a sliding mode, and the first occupation proximity sensor, the second occupation proximity sensor, the first stopping proximity sensor and the second stopping proximity sensor are all electrically connected with a controller; and the controller stops the automatic operation of the rolling machine and generates sound and light alarms when judging that the first split type skid and the second split type skid cannot keep synchronous conveying according to the triggering or separation time difference of each pre-combined proximity sensor and the corresponding error time limit.
Furthermore, a deceleration proximity sensor is installed in front of the first stop proximity sensor or the second stop proximity sensor, and the deceleration proximity sensor is electrically connected with the controller.
Further, the distance between the decelerating proximity sensor and the first stopping proximity sensor is 500 mm.
Further, the distance between the decelerating proximity sensor and the second stopping proximity sensor is 500 mm.
Further, the controller comprises a PLC controller.
Further, the first occupancy proximity sensor, the second occupancy proximity sensor, the first stopping proximity sensor, and the second stopping proximity sensor are each model numbers NBN 40-L2-E2-V1.
Further, the model of the deceleration proximity sensor is NBN 40-L2-E2-V1.
The switch combined application structure for split type skid conveying provided by the invention has the following advantages:
(1) the installation is simple and easy: the installation position of each proximity sensor can be determined according to the conveying direction and the stop position of the split type skid by the current rolling machine;
(2) the logic control is simple: detecting the triggering or separating time difference of each combined proximity sensor, setting corresponding error time limit, and generating sound and light alarm and displaying specific position and corresponding proximity sensor description when the triggering or separating time difference exceeds the error time;
(3) high-efficient reliable: and the logic program repeatedly executes to judge whether the first split type skid and the second split type skid keep basic synchronous conveying or not, and when the first split type skid and the second split type skid fail to keep basic synchronous conveying, the automatic operation of the related rolling bed is stopped, so that the split type skids and the equipment are prevented from being damaged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic diagram of a switch combination application structure for split type skid transportation provided by the present invention.
Fig. 2 is a schematic diagram of an abnormal state of the switch combination application structure for split-type skid transportation according to the present invention.
Fig. 3 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation according to the present invention.
Fig. 4 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation provided by the present invention.
Fig. 5 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation according to the present invention.
Fig. 6 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation provided by the present invention.
Fig. 7 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation according to the present invention.
Fig. 8 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation provided by the present invention.
Fig. 9 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation according to the present invention.
Fig. 10 is a schematic diagram of another abnormal state of the switch combination application structure for split-type skid transportation according to the present invention.
Fig. 11 is a schematic diagram of another abnormal state of the switch combination structure for split sled transport according to the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to the switch combination applied structure of the split type skid transportation according to the present invention, its specific implementation, structure, features and effects, with reference to the accompanying drawings and preferred embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this embodiment, a switch combined application structure for split type skid transportation is provided, as shown in fig. 1, the switch combined application structure for split type skid transportation includes a rolling bed 1, a first occupancy proximity sensor 2 and a second occupancy proximity sensor 3 that are symmetrical are installed on two sides of a front end of the rolling bed 1, a first stop proximity sensor 4 and a second stop proximity sensor 5 that are symmetrical are installed on two sides of a tail end of the rolling bed 1, a first split type skid 6 and a second split type skid 7 are slidably installed on the rolling bed 1, and the first occupancy proximity sensor 2, the second occupancy proximity sensor 3, the first stop proximity sensor 4 and the second stop proximity sensor 5 are all electrically connected to a controller; when the controller judges that the first split type skid 6 and the second split type skid 7 cannot keep synchronous conveying according to the triggering or separation time difference of each pre-combined proximity sensor and the corresponding error time limit, the controller stops the automatic operation of the rolling machine 1 and generates sound and light alarm.
Preferably, a deceleration proximity sensor 8 is installed in front of the first stop proximity sensor 4 or the second stop proximity sensor 5, and the deceleration proximity sensor 8 is electrically connected to the controller.
It should be noted that, a combination mode of five proximity sensors is used to achieve the use requirement of effectively detecting that the split type skid cannot keep the basic synchronous conveying, and it can efficiently and accurately detect whether the first split type skid 6 and the second split type skid 7 are conveyed under the condition of keeping the basic synchronous conveying, when the logic program judges that the first split type skid 6 and the second split type skid 7 cannot keep the basic synchronous conveying according to the triggering or separation time difference of each proximity sensor which is combined in advance and the corresponding error time limit, the PLC controller stops the automatic operation of the related rolling bed 1, generates an acoustic and optical alarm, displays the specific position and the corresponding proximity sensor description, and avoids the damage to the split type skid and the equipment.
Preferably, the distance between the decelerating proximity sensor 8 and the first stopping proximity sensor 4 is 500 mm.
Preferably, the distance between the decelerating proximity sensor 8 and the second stopping proximity sensor 5 is 500 mm.
Preferably, the controller comprises a PLC controller; and when the PLC judges that the first split type skid 6 and the second split type skid 7 cannot keep basic synchronous conveying according to the triggering or separation time difference of each pre-combined proximity sensor and the corresponding error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific position and the corresponding proximity sensor description.
Preferably, the first occupancy proximity sensor 2, the second occupancy proximity sensor 3, the first stopping proximity sensor 4 and the second stopping proximity sensor 5 are each of model number NBN 40-L2-E2-V1.
Preferably, the deceleration proximity sensor 8 is of model NBN 40-L2-E2-V1.
Specifically, as shown in fig. 1, taking the installation position of the proximity sensor of a standard rolling machine 1 as an example, according to the conveying direction of the split skid, a first occupancy proximity sensor 2 and a second occupancy proximity sensor 3 are installed at the front end of the standard rolling machine 1, and the first occupancy proximity sensor 2 and the second occupancy proximity sensor 3 are located at the same relative position; determining the normal stop position of the split type skid on the standard rolling machine 1, installing a first stop proximity sensor 4 and a second stop proximity sensor 5 at the tail end of the standard rolling machine 1 and at the position which can be triggered by the split type skid, and enabling the first stop proximity sensor 4 and the second stop proximity sensor 5 to be at the same relative position;
when the front ends of the first split type skid 6 and the second split type skid 7 are in contact with the carried-in rolling bed 1, the first split type skid 6 and the second split type skid 7 respectively correspondingly trigger the first occupation proximity sensor 2 and the second occupation proximity sensor 3; when the first split type skid 6 and the second split type skid 7 are conveyed to the stop position of the moving-in rolling bed 1, the first split type skid 6 and the second split type skid 7 respectively correspondingly trigger the first stop proximity sensor 4 and the second stop proximity sensor 5; wherein, the relative distance between the first occupancy proximity sensor 2 and the first stopping proximity sensor 4 and the relative distance between the second occupancy proximity sensor 3 and the second stopping proximity sensor 5 are both required to be shorter than the length of a split skid; the deceleration proximity sensor 8 is installed according to actual needs;
according to the time difference between the triggering or the separation of the first split type skid 6 and the second split type skid 7 corresponding to the proximity sensor combination, the automatic operation of the related rolling bed 1 is stopped under the control of a logic program when the time difference between the triggering or the separation of the first split type skid 6 and the second split type skid 7 corresponding to the proximity sensor combination exceeds the time limit set by the logic program, and a control system sends out sound and light alarm and displays the specific position and the corresponding proximity sensor description, so that the basic synchronous function of the conveying of the first split type skid 6 and the second split type skid 7 is ensured.
Several cases and logic program judgments when the first split skid 6 and the second split skid 7 fail to maintain the substantially synchronous conveyance will be exemplified.
As shown in fig. 2, when the roller bed 1 moves into the split type skid, the first split type skid 6 and the second split type skid 7 fail to keep the substantially synchronous conveyance, the first split type skid 6 has triggered the first occupancy proximity sensor 2, and the second split type skid 7 has not triggered the second occupancy proximity sensor 3; when the time difference of the first split type skid 6 and the second split type skid 7 triggering the corresponding combined proximity sensors exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific positions and the corresponding proximity sensor descriptions.
As shown in fig. 3, when the roller bed 1 moves into the split skid, the first split skid 6 and the second split skid 7 fail to keep substantially synchronous conveyance, the second split skid 7 has triggered the second occupancy proximity sensor 3, and the first split skid 6 does not trigger the first occupancy proximity sensor 2; when the time difference of the first split type skid 6 and the second split type skid 7 triggering the corresponding combined proximity sensors exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific positions and the corresponding proximity sensor descriptions.
As shown in fig. 4, when the roller bed 1 moves into the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the first split skid 6 has triggered the first stopping proximity sensor 4, and the second split skid 7 has not triggered the decelerating proximity sensor 8; when the time difference of the first split type skid 6 and the second split type skid 7 triggering the corresponding combined proximity sensors exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific positions and the corresponding proximity sensor descriptions.
As shown in fig. 5, when the roller bed 1 moves into the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the second split skid 7 has triggered the second stopping proximity sensor 5, and the first split skid 6 does not trigger the first stopping proximity sensor 4; when the time difference of the first split type skid 6 and the second split type skid 7 triggering the corresponding combined proximity sensors exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific positions and the corresponding proximity sensor descriptions.
As shown in fig. 6, when the roller bed 1 moves into the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the first split skid 6 has triggered the first stopping proximity sensor 4, and the second split skid 7 has not triggered the second stopping proximity sensor 5; when the time difference of the first split type skid 6 and the second split type skid 7 triggering the corresponding combined proximity sensors exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific positions and the corresponding proximity sensor descriptions.
As shown in fig. 7, when the roller bed 1 moves out of the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the first split skid 6 has already separated from the first occupancy proximity sensor 2, and the second split skid 7 has not separated from the second occupancy proximity sensor 3; when the time difference between the first split type skid 6 and the second split type skid 7 which are separated from the corresponding combined proximity sensor exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific position and the corresponding proximity sensor description.
As shown in fig. 8, when the roller bed 1 moves out of the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the second split skid 7 has already separated from the second occupancy proximity sensor 3, and the first split skid 6 has not separated from the first occupancy proximity sensor 2; when the time difference between the first split type skid 6 and the second split type skid 7 which are separated from the corresponding combined proximity sensor exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific position and the corresponding proximity sensor description.
As shown in fig. 9, when the roller bed 1 is moved out of the split skid, the first split skid 6 and the second split skid 7 are not conveyed in a substantially synchronous manner, the first split skid 6 has already separated from the first stopping proximity sensor 4, and the second split skid 7 has not separated from the decelerating proximity sensor 8; when the time difference between the first split type skid 6 and the second split type skid 7 which are separated from the corresponding combined proximity sensor exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific position and the corresponding proximity sensor description.
As shown in fig. 10, when the roller bed 1 moves out of the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the first split skid 6 has already separated from the first stopping proximity sensor 4, and the second split skid 7 has not separated from the second stopping proximity sensor 5; when the time difference between the first split type skid 6 and the second split type skid 7 which are separated from the corresponding combined proximity sensor exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific position and the corresponding proximity sensor description.
As shown in fig. 11, when the roller bed 1 moves out of the split skid, the first split skid 6 and the second split skid 7 fail to keep the substantially synchronous conveyance, the second split skid 7 has already separated from the second stopping proximity sensor 5, and the first split skid 6 has not separated from the first stopping proximity sensor 4; when the time difference between the first split type skid 6 and the second split type skid 7 which are separated from the corresponding combined proximity sensor exceeds the set error time limit, the PLC stops the automatic operation of the related rolling machine 1, generates sound and light alarm and displays the specific position and the corresponding proximity sensor description.
The control method comprises the steps of detecting whether the time difference of the split type skid triggered or separated from a preset proximity sensor combination exceeds the set time through different combinations of five proximity sensors; the invention has the advantages of simple installation, simple logic control, high detection efficiency, safety and reliability, and can ensure the realization of the basic synchronous function of the conveying of the first split type skid 6 and the second split type skid 7.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The switch combination application structure for the split type skid conveying is characterized by comprising a rolling machine (1), wherein a first occupying proximity sensor (2) and a second occupying proximity sensor (3) which are symmetrical are installed on two sides of the front end of the rolling machine (1), a first stopping proximity sensor (4) and a second stopping proximity sensor (5) which are symmetrical are installed on two sides of the tail end of the rolling machine (1), a first split type skid (6) and a second split type skid (7) are arranged on the rolling machine (1) in a sliding mode, and the first occupying proximity sensor (2), the second occupying proximity sensor (3), the first stopping proximity sensor (4) and the second stopping proximity sensor (5) are electrically connected with a controller; the controller judges that the first split type skid (6) and the second split type skid (7) cannot keep synchronous conveying according to the triggering or separation time difference of each pre-combined proximity sensor and the corresponding error time limit, stops the automatic operation of the rolling bed (1), and generates sound and light alarm;
a deceleration proximity sensor (8) is installed in front of the first stop proximity sensor (4) or the second stop proximity sensor (5), and the deceleration proximity sensor (8) is electrically connected with the controller;
wherein the distance between the deceleration proximity sensor (8) and the first stopping proximity sensor (4) is 500 mm;
wherein the distance between the deceleration proximity sensor (8) and the second stopping proximity sensor (5) is 500 mm.
2. The switch combination application structure of split skid transport of claim 1, wherein the controller comprises a PLC controller.
3. The split ski-conveying switch combination structure according to claim 1, wherein the first occupancy proximity sensor (2), the second occupancy proximity sensor (3), the first stopping proximity sensor (4), and the second stopping proximity sensor (5) are all model numbers NBN 40-L2-E2-V1.
4. The switch combination of claim 1, wherein the deceleration proximity sensor (8) is of the type NBN 40-L2-E2-V1.
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| CN113479597A (en) * | 2021-07-16 | 2021-10-08 | 江铃汽车股份有限公司 | Control system and method compatible with long and short sledge roller bed conveying |
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