CN112478656A - Sheet material conveying device and method - Google Patents
Sheet material conveying device and method Download PDFInfo
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- CN112478656A CN112478656A CN202011458895.5A CN202011458895A CN112478656A CN 112478656 A CN112478656 A CN 112478656A CN 202011458895 A CN202011458895 A CN 202011458895A CN 112478656 A CN112478656 A CN 112478656A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 155
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- 238000009825 accumulation Methods 0.000 claims description 18
- 238000012795 verification Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
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- 239000010703 silicon Substances 0.000 description 14
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- 238000003032 molecular docking Methods 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
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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
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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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
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/022—Flat
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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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Abstract
The invention discloses a device and a method for conveying sheet materials, wherein the device comprises a first conveying device and a second conveying device, and the first conveying device is provided with: the first belt transmission structure, the first in-place sensor and the first driving motor are used for driving the first belt transmission structure to carry out transmission; the second conveying equipment is provided with: the second belt transmission structure, the second in-place sensor and a second driving motor are used for driving the second belt transmission structure to carry out transmission. The method judges whether the sheet material meets the conditions of sheet transmission and splicing through the in-place information and the state information, generates identification information through a preset rule and verifies the identification information, and is used for reliably transmitting the sheet material. The invention can ensure the integrity of signal interaction of one-time butting action between devices, prevent the synchronization error of a butting time sequence, and effectively avoid the problem that an upstream device mistakenly transmits sheet materials to a downstream device all the way to prepare for the downstream device due to the fact that a network disconnection signal is not cleared in time.
Description
Technical Field
The invention relates to the technical field of sheet material conveying, in particular to a device and a method for conveying sheet materials.
Background
When processing sheet materials, especially solar cell processing, a plurality of conveying devices are usually required, and the conveying devices usually adopt a belt transmission structure to convey the sheet materials from one conveying device to another conveying device and process the sheet materials on stations corresponding to the conveying devices. In order to ensure the accuracy of the interfacing between the multiple transmitting devices, two transmitting devices are required to communicate accurately.
In the prior art, direct hardware I/O module butt joint is usually adopted directly, two paths of signals (high and low levels) are required for mutual interaction, one path of signal is a ready signal of upstream transmission equipment, the other path of signal is a sheet-required signal of receiving equipment, and sheet material transmission is realized through two paths of signal interaction. The defects of the scheme are that the wiring is troublesome, the signal type (NPN or PNP type) needs to be confirmed, and the hardware module support (isolation protection) is needed; the method is easy to cause signal false triggering and butt joint failure under the conditions of complex field electromagnetic environment and poor signal shielding and filtering.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a device and a method for sheet material transportation, aiming at ensuring accurate butt joint of a plurality of conveying devices, aiming at overcoming the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a sheet material conveying device, which comprises a first conveying device and a second conveying device, wherein the first conveying device and the second conveying device are used for reliably conveying sheet materials; wherein:
be provided with on the first transfer apparatus: the first belt transmission structure, the first in-place sensor and the first driving motor are used for driving the first belt transmission structure to carry out transmission;
the second conveying equipment is provided with: the second belt transmission structure, the second in-place sensor and a second driving motor are used for driving the second belt transmission structure to carry out transmission;
the first belt transmission structure and the second belt transmission structure are sequentially arranged and in butt joint along the conveying direction, the first in-place sensor is arranged on the first belt transmission structure and used for detecting whether sheet materials exist on the first belt transmission structure, and the second in-place sensor is arranged on the second belt transmission structure and used for detecting whether sheet materials exist on the second belt transmission structure.
Furthermore, the first conveying device also comprises a first controller electrically connected with the first in-place sensor and the first driving motor; the second conveying equipment also comprises a second controller which is electrically connected with the second in-place sensor and the second driving motor; one or two pairs of identification information is generated through the first controller and the second controller, and the in-place information acquired by the first in-place sensor and the second in-place sensor and the information of the first driving motor and the second driving motor are combined, so that interaction of the first conveying equipment and the second conveying equipment and reliable conveying of sheet materials are realized.
Further, the first transmission device and the second transmission device of the present invention are connected via an Ethernet interface.
The invention provides a sheet material conveying method, wherein a pair of identification information is verified between a first conveying device and a second conveying device, and the method comprises the following steps:
the first transmission equipment judges whether the film transmission condition is met or not through the first in-place information identifier and the first state information, and if the film transmission condition is met, the first transmission equipment generates first identifier information through a preset rule and sends the first identifier information to the second transmission equipment;
the second conveying equipment judges whether the splicing condition is met or not through the second in-place information and the second state information, and if the splicing condition is met, the second identification information of the second conveying equipment is rewritten into the first identification information and is sent to the first conveying equipment;
and if the first identification information is the same as the second identification information, starting the first conveying equipment and the second conveying equipment to be butted, so that the reliable conveying of the sheet materials is realized.
Further, the method of the present invention specifically comprises the steps of:
t01, the first conveying equipment acquires the first in-place information and the first state information, and judges whether the first conveying equipment meets the film conveying condition or not according to the first in-place information and the first state information;
t02, if the sheet conveying condition is met, namely the first in-place information shows that sheet materials are on the first conveying equipment, and the first state information shows that the first conveying equipment stops, the first conveying equipment generates first identification information according to a preset rule;
t03, the first transmission device sends the first identification information to the second transmission device;
t04, after receiving the first identification information and the second identification information, the second transmission equipment acquires second in-place information and second state information, and judges whether the second transmission equipment meets the splicing condition or not according to the second in-place information and the second state information;
t05, if the splicing condition is met, namely the second in-place information shows that no sheet material exists on the second conveying equipment, and the second state information shows that the second conveying equipment stops, controlling the second conveying equipment to start conveying, and updating the second identification information into the first identification information;
t06, the second transmission device sends the second identification information to the first transmission device;
t07, the first transmission device receives the second identification information sent by the second transmission device, and compares whether the first identification information is the same as the second identification information;
t08, if the first identification information is the same as the second identification information, controlling the first conveying device to start conveying, and after the sheet materials are conveyed to the second conveying device, if the first in-place information shows that no sheet materials exist on the first conveying device, controlling the first conveying device to stop conveying;
t09, the second conveying equipment receives the flaky materials, obtains second in-place information, and judges whether splicing is finished according to the second in-place information;
and T10, if the splicing is finished, namely the second in-place information shows that the second conveying device has the sheet materials, the second conveying device initializes the second identification information and controls the second conveying device to stop conveying.
Further, the preset rule in the method of the present invention includes: setting an accumulation factor, accumulating through the accumulation factor during each transmission, and generating identification information for verification;
or acquiring the current time stamp of the equipment, and generating identification information for verification through the current time stamp during each transmission.
The invention provides a sheet material conveying method, which is characterized in that a first conveying device and a second conveying device are verified through two pairs of identification information, wherein the first identification information and the third identification information are used for judging whether sheet conveying and splicing conditions are met, and the second identification information and the fourth identification information are used for verifying, and the method comprises the following steps:
the first transmission equipment judges whether the film transmission condition is met or not through the first in-place information and the first state information, if so, the first identification information is set to be a first preset value, second identification information is generated according to a preset rule, and the first identification information and the second identification information are sent to the second transmission equipment;
the second conveying equipment judges whether the splicing condition is met or not through the second in-place information and the second state information, if yes, the fourth identification information is updated to be the second identification information, the second conveying equipment is controlled to start conveying, the third identification information is set to be a second preset value, and the third identification information and the fourth identification information are sent to the first conveying equipment;
and if the second identification information is the same as the fourth identification information, controlling the first conveying equipment to start conveying, and realizing reliable conveying of the sheet materials.
Further, the method of the present invention specifically comprises the steps of:
s01, the first conveying equipment acquires the first in-place information and the first state information, and judges whether the first conveying equipment meets the film conveying condition or not according to the first in-place information and the first state information;
s02, if the sheet conveying condition is met, namely the first in-place information shows that sheet materials are on the first conveying equipment and the first state information shows that the first conveying equipment stops, the first conveying equipment sets the first identification information to be a first preset value and generates second identification information according to preset rules;
s03, the first transmission device transmits the first identification information and the second identification information to the second transmission device;
s04, after the second conveying equipment receives the first identification information and the second identification information, judging that the first conveying equipment meets the sheet conveying condition according to the first identification information, acquiring second in-place information and second state information by the second conveying equipment at the moment, and judging whether the second conveying equipment meets the sheet splicing condition or not according to the second in-place information and the second state information;
s05, if the splicing condition is met, namely the second in-place information shows that no sheet material exists on the second conveying equipment, and the second state information shows that the second conveying equipment stops, the second conveying equipment updates the fourth identification information into second identification information, controls the second conveying equipment to start conveying, and sets the third identification information to be a second preset value;
s06, the second transmission device sends the third identification information and the fourth identification information to the first transmission device;
s07, the first transmission device receives the third identification information and the fourth identification information, and judges that the second transmission device meets the splicing condition according to the third identification information, and at the moment, the first transmission device compares whether the second identification information and the fourth identification information are the same;
s08, if the second identification information is the same as the fourth identification information, controlling the first conveying equipment to start conveying, stopping conveying after conveying the sheet materials to the second conveying equipment, and initializing the first identification information;
s09, the second conveying equipment receives the flaky materials, obtains second in-place information, and judges whether the second conveying equipment completes splicing according to the second in-place information;
and S10, if the splicing is finished, initializing the third identification information and controlling the second conveying equipment to stop conveying.
Further, the preset rule in the method of the present invention includes: setting an accumulation factor, accumulating through the accumulation factor during each transmission, and generating identification information for verification;
or acquiring the current time stamp of the equipment, and generating identification information for verification through the current time stamp during each transmission.
Furthermore, in the method of the invention, the second identification information is regenerated every time of docking, thereby avoiding transmission false triggering caused by system error.
The invention has the following beneficial effects: the device and the method for conveying the sheet materials can ensure the integrity of signal interaction of one-time butting action between the conveying devices, prevent the synchronization error of the butting time sequence and prevent the abnormal alarm of the devices caused by the misoperation of the conveying devices of the two sides due to the common electromagnetic interference of the common hardware I/O butting.
The device and the method for conveying the sheet materials can effectively avoid the problem that the upstream conveying equipment mistakenly prepares for the downstream conveying equipment to receive and conveys the sheet materials all the way to the downstream because the network disconnection signals are not emptied in time.
The device and the method for conveying the sheet materials have strong universality and can improve the convenience of butt joint of different equipment on site.
The device and the method for conveying the sheet materials are simple to implement, can finish hardware connection by one network cable, and can be popularized to any other scenes which need signal interaction and are matched with signals.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of an apparatus for sheet material transport according to an embodiment of the present invention in a first state;
FIG. 2 is a schematic view of an apparatus for sheet material transport in accordance with an embodiment of the present invention in a second state;
FIG. 3 is a schematic view of an apparatus for sheet material transport according to an embodiment of the present invention in a third state;
FIG. 4 is a schematic illustration of a sheet material transport method employing a marking in accordance with an embodiment of the present invention;
FIG. 5 is a schematic illustration of a sheet material transport method using two markers according to an embodiment of the present invention;
FIG. 6 is a flow chart of the communication logic of device A in accordance with an embodiment of the present invention;
fig. 7 is a flow chart of communication logic of device B in an embodiment of the present invention.
In the figure: 1-a first conveying device; 11-a first belt drive arrangement; 2-a second transfer device; 21-a second belt drive arrangement; 3-a first in-position sensor; 4-a second in-position sensor; 200-sheet material.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, the apparatus for sheet material transportation according to the embodiment of the present invention includes a first conveying device 1 and a second conveying device 2 for reliable transportation of a sheet material 200; wherein:
the first conveying device 1 is provided with: the first belt transmission structure 11, the first in-position sensor 3 and a first driving motor are used for driving the first belt transmission structure 11 to carry out conveying;
the second conveying apparatus 2 is provided with: the second belt transmission structure 21, the second in-position sensor 4, the second driving motor used for driving the second belt transmission structure 21 to carry on conveying;
the first belt transmission structure 11 and the second belt transmission structure 21 are sequentially arranged and in butt joint along the conveying direction, the first in-place sensor 3 is arranged on the first belt transmission structure 11, preferably arranged at one end, close to the second belt transmission structure 2, of the first belt transmission structure 11 and used for detecting whether sheet materials 200 exist at one end of the first belt transmission structure 11, the second in-place sensor 4 is arranged on the second belt transmission structure 21, preferably arranged at one end, close to the first belt transmission structure 11, of the second belt transmission structure 21 and used for detecting whether sheet materials 200 exist at one end of the second belt transmission structure 21.
The first conveying device 1 further comprises a first controller electrically connected with the first in-place sensor 3 and the first driving motor; the second conveying device 2 further comprises a second controller electrically connected with the second in-place sensor 4 and a second driving motor; one or two pairs of identification information is/are generated through the first controller and the second controller, and the in-place information and the information of the first driving motor and the second driving motor acquired by the first in-place sensor 3 and the second in-place sensor 4 are combined, so that the interaction of the first conveying device 1 and the second conveying device 2 and the reliable transmission of the sheet materials 200 are realized.
The first transmission apparatus 1 and the second transmission apparatus 2 are connected via an Ethernet interface.
As shown in fig. 4, a method for conveying a sheet material according to an embodiment of the present invention, in which a pair of identification information is verified between a first conveying apparatus and a second conveying apparatus, includes the steps of:
the first transmission equipment judges whether the film transmission condition is met or not through the first in-place information identifier and the first state information, and if the film transmission condition is met, the first transmission equipment generates first identifier information through a preset rule and sends the first identifier information to the second transmission equipment;
the second conveying equipment judges whether the splicing condition is met or not through the second in-place information and the second state information, and if the splicing condition is met, the second identification information of the second conveying equipment is rewritten into the first identification information and is sent to the first conveying equipment;
and if the first identification information is the same as the second identification information, starting the first conveying equipment and the second conveying equipment to be butted, so that the reliable conveying of the sheet materials is realized.
The method specifically comprises the following steps:
t01, the first conveying equipment acquires the first in-place information and the first state information, and judges whether the first conveying equipment meets the film conveying condition or not according to the first in-place information and the first state information;
in the step, the first in-place information is whether the first conveying equipment has sheet materials or not, and can be detected by a first in-place sensor on the first conveying equipment;
the first state information is whether the first transmission device is stopped, and the first state information can be obtained by the second motor driver;
when the first conveying equipment stops and sheet materials are arranged on the first conveying equipment, the sheet conveying condition is judged to be met.
T02, if the sheet conveying condition is met, namely the first in-place information shows that sheet materials are on the first conveying equipment, and the first state information shows that the first conveying equipment stops, the first conveying equipment generates first identification information according to a preset rule;
in this step, the preset rule includes: an accumulation factor is set, and when the device is transmitted at each time, the device is accumulated through the accumulation factor, or the current timestamp of the device is acquired, and when the device is transmitted at each time, the device is accumulated through the accumulation factor, or first identification information is generated through the current timestamp, and the fact that the first identification information transmitted for a plurality of times is inconsistent with the adjacent first identification information is ensured.
T03, the first transmission device sends the first identification information to the second transmission device;
t04, after receiving the first identification information and the second identification information, the second transmission equipment acquires second in-place information and second state information, and judges whether the second transmission equipment meets the splicing condition or not according to the second in-place information and the second state information;
in this step, the second in-place information is whether sheet materials exist on the second conveying equipment, and can be detected by a second in-place sensor on the second conveying equipment;
the second state information is whether the second conveying device stops or not, and the second state information can be obtained by a second motor driver;
when the second conveying apparatus is stopped and there is no sheet material thereon, it is determined that the splicing condition is satisfied.
T05, if the splicing condition is met, namely the second in-place information shows that no sheet material exists on the second conveying equipment, and the second state information shows that the second conveying equipment stops, controlling the second conveying equipment to start conveying, and updating the second identification information into the first identification information;
in this step, the second driving motor drives the second belt transmission structure 21 to complete the transmission;
the method for updating the second identification information to the first identification information is to write the first identification information content into the second identification information.
T06, the second transmission device sends the second identification information to the first transmission device;
t07, the first transmission device receives the second identification information generated by the second transmission device, and compares whether the first identification information and the second identification information are the same;
t08, if the first identification information is the same as the second identification information, controlling the first conveying device to start conveying, and after the sheet materials are conveyed to the second conveying device, stopping conveying if the first in-place information shows that no sheet materials exist on the first conveying device;
in this step, the first driving motor drives the first belt transmission structure 11 to complete the transmission;
t09, the second conveying equipment receives the flaky materials, obtains second in-place information, and judges whether splicing is finished according to the second in-place information;
in this step, the second in-place information is whether sheet materials exist on the second conveying equipment or not, and can be detected by the first in-place sensor on the first conveying equipment;
when the second conveying device has the sheet material, the splicing is judged to be finished.
And T10, if the splicing is finished, namely the second in-place information shows that the second conveying device has the sheet materials, the second conveying device initializes the second identification information and controls the second conveying device to stop conveying.
The method is characterized in that an accumulation factor is set for accumulation, or the current timestamp of the equipment is acquired, and identification information is generated through accumulation of the accumulation factor or the current timestamp of the equipment during each transmission, so that the first identification information is different from the previous identification information each time, and the transmission false triggering caused by system errors is avoided.
As shown in fig. 5, in the sheet material conveying method according to the embodiment of the present invention, the first conveying apparatus and the second conveying apparatus are verified by two pairs of identification information, where the first identification information and the third identification information are used to determine whether the sheet conveying and splicing condition is satisfied, and the second identification information and the fourth identification information are used to verify, the method includes the following steps:
the first transmission equipment judges whether the film transmission condition is met or not through the first in-place information and the first state information, if so, the first identification information is set to be a first preset value, second identification information is generated according to a preset rule, and the first identification information and the second identification information are sent to the second transmission equipment;
the second conveying equipment judges whether the splicing condition is met or not through the second in-place information and the second state information, if yes, the fourth identification information is updated to be the second identification information, the second conveying equipment is controlled to start conveying, the third identification information is set to be a second preset value, and the third identification information and the fourth identification information are sent to the first conveying equipment;
and if the second identification information is the same as the fourth identification information, controlling the first conveying equipment to start conveying, and realizing reliable conveying of the sheet materials.
The method specifically comprises the following steps:
s01, the first conveying equipment acquires the first in-place information and the first state information, and judges whether the first conveying equipment meets the film conveying condition or not according to the first in-place information and the first state information;
in the step, the first in-place information is whether the first conveying equipment has sheet materials or not, and can be detected by a first in-place sensor on the first conveying equipment;
the first state information is whether the first transmission device is stopped, and the first state information can be obtained by the second motor driver;
when the first conveying equipment stops and sheet materials are arranged on the first conveying equipment, the sheet conveying condition is judged to be met.
S02, if the sheet conveying condition is met, namely the first in-place information shows that sheet materials are on the first conveying equipment and the first state information shows that the first conveying equipment stops, the first conveying equipment sets the first identification information to be a first preset value and generates second identification information according to preset rules;
in this step, the first preset value is a value different from the initialization value, and typically, the initialization value may be 0, and the first preset value may be 1.
In this step, the preset rule includes:
and setting an accumulation factor, accumulating through the accumulation factor during transmission at each time, or acquiring the current timestamp of the equipment, and accumulating through the accumulation factor during transmission at each time, or generating second identification information through the current timestamp.
S03, the first transmission device transmits the first identification information and the second identification information to the second transmission device;
s04, after the second conveying equipment receives the first identification information and the second identification information, judging that the first conveying equipment meets the sheet conveying condition according to the first identification information, acquiring second in-place information and second state information by the second conveying equipment at the moment, and judging whether the second conveying equipment meets the sheet splicing condition or not according to the second in-place information and the second state information;
in this step, the second in-place information is whether sheet materials exist on the second conveying equipment, and can be detected by a second in-place sensor on the second conveying equipment;
the second state information is whether the second conveying device stops or not, and the second state information can be obtained by a second motor driver;
when the second conveying apparatus is stopped and there is no sheet material thereon, it is determined that the splicing condition is satisfied.
S05, if the splicing condition is met, namely the second in-place information shows that no sheet material exists on the second conveying equipment, and the second state information shows that the second conveying equipment stops, the second conveying equipment updates the fourth identification information into second identification information, controls the second conveying equipment to start conveying, and sets the third identification information to be a second preset value;
in this step, the second driving motor drives the second belt transmission structure 21 to complete the transmission;
the second preset value is a value different from the initialization value, and typically, the initialization value may be 0, and the second preset value may be 1.
The method for updating the fourth identification information to the second identification information is to write the second identification information content into the fourth identification information.
S06, the second transmission device sends the third identification information and the fourth identification information to the first transmission device;
s07, the first transmission device receives the third identification information and the fourth identification information, and judges that the second transmission device meets the splicing condition according to the third identification information, and at the moment, the first transmission device compares whether the second identification information and the fourth identification information are the same;
s08, if the second identification information is the same as the fourth identification information, controlling the first conveying equipment to start conveying, stopping conveying after conveying the sheet materials to the second conveying equipment, and initializing the first identification information;
in this step, the first driving motor drives the first belt transmission structure 11 to complete the transmission;
s09, the second conveying equipment receives the flaky materials, obtains second in-place information, and judges whether the second conveying equipment completes splicing according to the second in-place information;
in this step, the second in-place information is whether sheet materials exist on the second conveying equipment or not, and can be detected by the first in-place sensor on the first conveying equipment;
when the second conveying device has the sheet material, the splicing is judged to be finished.
And S10, if the splicing is finished, initializing the third identification information and controlling the second conveying equipment to stop conveying.
The method comprises the steps that two marks are set through a first conveying device, wherein one mark (a first mark) represents whether a film transfer condition is met, and the other mark (a second mark) is used for verification; the second transfer device sets two flags, one (third flag) indicating whether the splicing condition is satisfied and the other (fourth flag) for verification.
Due to the fact that the second identification is regenerated through the preset rule after each time of docking, transmission false triggering caused by system errors (for example, false triggering caused by the fact that parameters are not initialized due to the system errors after last operation) is avoided, and accuracy of docking is guaranteed.
As shown in fig. 6 to 7, in another embodiment of the present invention, a device a (first transfer device) transfers a silicon wafer to a device B (second transfer device), and the detailed description of the transfer method (signal interaction process) thereof:
1. firstly, the device A judges whether a silicon chip on a transmission belt meets a chip transmission condition (the chip transmission condition is that a sensor in place detects that the silicon chip is arranged on the transmission belt of the device A and judges that the silicon chip is in a stop state through a motor driver), if the chip transmission condition is met, firstly, an address 2, namely Send _ ID content (a second identifier) is written into a new value (generally, a self-adding 1 mode is adopted before each transmission, so that the current value is different from the previous value), and then a Ready signal (A _ Ready, a first identifier) of the device A, namely an address 1 signal is set to be 1 (writing 1);
2. when the device B detects that the Ready signal (A _ Ready, a first identifier) of the device A is 1, namely the content of the address 1 is 1, the device A is judged to have a silicon wafer to be transmitted, and the device B judges whether the device B meets the splicing condition (the splicing condition is that the in-place sensor detects that no silicon wafer exists on the self-transmission belt and judges that the device B is in a stop state through the motor driver). If the tab condition is not satisfied, unresponsive to the Ready (A _ Ready, first identification) signal of device A until the tab condition is satisfied; when the wafer receiving condition is met, the device B rotates a transmission belt (usually a certain long distance is rotated to ensure that a normal silicon wafer can be transmitted from the device A to the device B), immediately reads the Send _ ID (second identifier) of the device A, namely the content of the address 2, then writes the Send _ ID into the Receive _ ID address (fourth identifier) of the device B, and then sets the address 3, namely a B _ Ready signal (third identifier) to 1 to indicate that the device B is in a silicon wafer receiving state currently;
3. when the equipment A detects that the Ready signal (B _ Ready, the third identifier) of the equipment B is 1 and the Receive _ ID content (the fourth identifier) of the equipment B is consistent with the Send _ ID content (the second identifier) of the equipment A, the equipment A only recognizes that the transmission is matched one time, at the moment, the equipment A starts to rotate a self transmission belt (preferably to rotate a distance of a fixed length, can automatically stop without supplementing a new silicon chip, and needs to stop rotating in advance when the silicon chip is in place), the silicon chip on the transmission belt of the equipment A is sent out, and meanwhile, the equipment A immediately sets the A _ Ready signal to be 0;
4. when the device B detects that the silicon wafer is successfully received, the belt of the device B should be immediately stopped (or stopped after continuing to transfer a fixed length), and meanwhile, the B _ Ready (third identifier) signal is set to 0, which indicates that the silicon wafer transfer in the current round is completed.
The silicon wafer of device B may then be removed to begin the next transfer process.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An apparatus for the transport of sheet material, characterized in that the apparatus comprises a first conveyor device (1) and a second conveyor device (2) for the reliable transport of sheet material (200); wherein:
the first conveying device (1) is provided with: the first belt transmission structure (11), the first in-position sensor (3) and a first driving motor are used for driving the first belt transmission structure (11) to carry out conveying;
the second conveying device (2) is provided with: the second belt transmission structure (21), the second in-position sensor (4), the second driving motor used for driving the second belt transmission structure (21) to carry on conveying;
the first belt transmission structure (11) and the second belt transmission structure (21) are sequentially arranged and in butt joint along the conveying direction, the first in-place sensor (3) is arranged on the first belt transmission structure (11) and used for detecting whether sheet materials (200) exist on the first belt transmission structure (11), and the second in-place sensor (4) is arranged on the second belt transmission structure (21) and used for detecting whether sheet materials (200) exist on the second belt transmission structure (21).
2. The sheet material conveying apparatus according to claim 1, wherein the first conveying device (1) further comprises a first controller electrically connected with the first in-position sensor (3) and the first driving motor; the second conveying device (2) also comprises a second controller which is electrically connected with the second in-place sensor (4) and the second driving motor; one or two pairs of identification information is/are generated through the first controller and the second controller, and the in-place information and the information of the first driving motor and the second driving motor acquired by the first in-place sensor (3) and the second in-place sensor (4) are combined, so that the interaction of the first conveying device (1) and the second conveying device (2) and the reliable transmission of the sheet materials (200) are realized.
3. The sheet material conveying apparatus according to claim 1, wherein the first conveying device (1) and the second conveying device (2) are connected by an Ethernet interface.
4. A sheet material conveying method using the sheet material conveying apparatus according to claim 1, wherein a pair of identification information is verified between the first conveying device and the second conveying device, the method comprising the steps of:
the first transmission equipment judges whether the film transmission condition is met or not through the first in-place information identifier and the first state information, and if the film transmission condition is met, the first transmission equipment generates first identifier information through a preset rule and sends the first identifier information to the second transmission equipment;
the second conveying equipment judges whether the splicing condition is met or not through the second in-place information and the second state information, and if the splicing condition is met, the second identification information of the second conveying equipment is rewritten into the first identification information and is sent to the first conveying equipment;
and if the first identification information is the same as the second identification information, starting the first conveying equipment and the second conveying equipment to be butted, so that the reliable conveying of the sheet materials is realized.
5. Method for sheet material transport according to claim 4, characterized in that the method comprises the following steps:
t01, the first conveying equipment acquires the first in-place information and the first state information, and judges whether the first conveying equipment meets the film conveying condition or not according to the first in-place information and the first state information;
t02, if the sheet conveying condition is met, namely the first in-place information shows that sheet materials are on the first conveying equipment, and the first state information shows that the first conveying equipment stops, the first conveying equipment generates first identification information according to a preset rule;
t03, the first transmission device sends the first identification information to the second transmission device;
t04, after receiving the first identification information and the second identification information, the second transmission equipment acquires second in-place information and second state information, and judges whether the second transmission equipment meets the splicing condition or not according to the second in-place information and the second state information;
t05, if the splicing condition is met, namely the second in-place information shows that no sheet material exists on the second conveying equipment, and the second state information shows that the second conveying equipment stops, controlling the second conveying equipment to start conveying, and updating the second identification information into the first identification information;
t06, the second transmission device sends the second identification information to the first transmission device;
t07, the first transmission device receives the second identification information sent by the second transmission device, and compares whether the first identification information is the same as the second identification information;
t08, if the first identification information is the same as the second identification information, controlling the first conveying device to start conveying, and after the sheet materials are conveyed to the second conveying device, if the first in-place information shows that no sheet materials exist on the first conveying device, controlling the first conveying device to stop conveying;
t09, the second conveying equipment receives the flaky materials, obtains second in-place information, and judges whether splicing is finished according to the second in-place information;
and T10, if the splicing is finished, namely the second in-place information shows that the second conveying device has the sheet materials, the second conveying device initializes the second identification information and controls the second conveying device to stop conveying.
6. The method for transporting sheet material according to claim 5, wherein the predetermined rules in the method include: setting an accumulation factor, accumulating through the accumulation factor during each transmission, and generating identification information for verification;
or acquiring the current time stamp of the equipment, and generating identification information for verification through the current time stamp during each transmission.
7. A sheet material conveying method using the apparatus for sheet material conveying according to claim 1, wherein the first conveying device and the second conveying device are verified by two pairs of identification information, wherein the first identification information and the third identification information are used for determining whether sheet conveying and splicing conditions are satisfied, and the second identification information and the fourth identification information are used for verification, the method comprising the steps of:
the first transmission equipment judges whether the film transmission condition is met or not through the first in-place information and the first state information, if so, the first identification information is set to be a first preset value, second identification information is generated according to a preset rule, and the first identification information and the second identification information are sent to the second transmission equipment;
the second conveying equipment judges whether the splicing condition is met or not through the second in-place information and the second state information, if yes, the fourth identification information is updated to be the second identification information, the second conveying equipment is controlled to start conveying, the third identification information is set to be a second preset value, and the third identification information and the fourth identification information are sent to the first conveying equipment;
and if the second identification information is the same as the fourth identification information, controlling the first conveying equipment to start conveying, and realizing reliable conveying of the sheet materials.
8. Method for sheet material transport according to claim 7, characterized in that the method comprises the following steps:
s01, the first conveying equipment acquires the first in-place information and the first state information, and judges whether the first conveying equipment meets the film conveying condition or not according to the first in-place information and the first state information;
s02, if the sheet conveying condition is met, namely the first in-place information shows that sheet materials are on the first conveying equipment and the first state information shows that the first conveying equipment stops, the first conveying equipment sets the first identification information to be a first preset value and generates second identification information according to preset rules;
s03, the first transmission device transmits the first identification information and the second identification information to the second transmission device;
s04, after the second conveying equipment receives the first identification information and the second identification information, judging that the first conveying equipment meets the sheet conveying condition according to the first identification information, acquiring second in-place information and second state information by the second conveying equipment at the moment, and judging whether the second conveying equipment meets the sheet splicing condition or not according to the second in-place information and the second state information;
s05, if the splicing condition is met, namely the second in-place information shows that no sheet material exists on the second conveying equipment, and the second state information shows that the second conveying equipment stops, the second conveying equipment updates the fourth identification information into second identification information, controls the second conveying equipment to start conveying, and sets the third identification information to be a second preset value;
s06, the second transmission device sends the third identification information and the fourth identification information to the first transmission device;
s07, the first transmission device receives the third identification information and the fourth identification information, and judges that the second transmission device meets the splicing condition according to the third identification information, and at the moment, the first transmission device compares whether the second identification information and the fourth identification information are the same;
s08, if the second identification information is the same as the fourth identification information, controlling the first conveying equipment to start conveying, stopping conveying after conveying the sheet materials to the second conveying equipment, and initializing the first identification information;
s09, the second conveying equipment receives the flaky materials, obtains second in-place information, and judges whether the second conveying equipment completes splicing according to the second in-place information;
and S10, if the splicing is finished, initializing the third identification information and controlling the second conveying equipment to stop conveying.
9. The method for transporting sheet material according to claim 8, wherein the predetermined rules in the method include: setting an accumulation factor, accumulating through the accumulation factor during each transmission, and generating identification information for verification;
or acquiring the current time stamp of the equipment, and generating identification information for verification through the current time stamp during each transmission.
10. The method for sheet material transport according to claim 8, wherein the second identification information is regenerated each time the sheet material is docked, avoiding false triggering of the transport due to a system error.
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Address after: No. 88 Jiulonghu Street, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: WUHAN DR LASER TECHNOLOGY Co.,Ltd. Address before: 430000 Hubei city of Wuhan province Optics Valley Industrial Park of East Lake Development Zone, Shiyuan two Road No. four Patentee before: WUHAN DR LASER TECHNOLOGY Co.,Ltd. |