CN114734513A - Device and method for repairing surface defects of wood board - Google Patents
Device and method for repairing surface defects of wood board Download PDFInfo
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- CN114734513A CN114734513A CN202210504050.8A CN202210504050A CN114734513A CN 114734513 A CN114734513 A CN 114734513A CN 202210504050 A CN202210504050 A CN 202210504050A CN 114734513 A CN114734513 A CN 114734513A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G1/00—Machines or devices for removing knots or other irregularities or for filling-up holes
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Abstract
The application relates to a device and a method for repairing surface defects of a wood board, and the device comprises a rack, wherein a conveying belt for conveying the wood board is arranged at the bottom of the rack, the rack is connected with a first scanning piece and a liquid injection assembly, the first scanning piece and the liquid injection assembly are both positioned above the conveying belt, and the liquid injection assembly is connected with the rack through a driving assembly; the first scanning piece and the driving assembly are electrically connected with the controller. The application has the following effects: the controller can control the driving assembly to drive the liquid injection assembly to inject liquid into the pits of the wood board so as to repair the wood board, so that the efficiency of repairing the wood pits can be improved.
Description
Technical Field
The application relates to the field of wood processing technology, in particular to a device and a method for repairing surface defects of a wood board.
Background
During the growth process of the wood, flaws such as worm damage and rotting easily occur in the wood, when the wood is processed into a wood board, pits can exist on the surface of the wood board due to the flaws of the wood, in order to fill the pits, workers can repair the pits in a manual mode by using wood repairing liquid, and after the wood repairing liquid is solidified in the pits, the wood repairing liquid protruding out of the pits is polished to finish the repairing of the pits of the wood board, so that the quality of the wood board can be improved. However, at present, workers fill the pit with the wood repairing liquid manually to repair the pit on the wood, which wastes time and labor and has low repairing efficiency.
Disclosure of Invention
In a first aspect, the present application provides a device for repairing surface defects of wood boards, in order to improve the efficiency of repairing wood pits.
The application provides a plank surface defect patching device adopts following technical scheme:
a wood board surface defect repairing device comprises a rack, wherein a conveying belt for conveying wood boards is arranged at the bottom of the rack, the rack is connected with a first scanning piece and a liquid injection assembly, the first scanning piece and the liquid injection assembly are both positioned above the conveying belt, and the liquid injection assembly is connected with the rack through a driving assembly;
still include the controller, first scanning piece drive assembly all with the controller electricity is connected, first scanning piece is used for scanning the plank and exports scanning information, the controller is used for receiving scanning information and seeks pit and record pit position, again according to pit position output drive signal, drive assembly is used for receiving drive signal and drive annotate the liquid subassembly and annotate the liquid to the pit.
Through adopting above-mentioned technical scheme, when the plank passed through the conveyer belt and was carried bottom the frame, first scanning piece scanned the plank wholly, and the pit on the plank can be looked for and the pit position is confirmed through scanning information to the controller, and the steerable drive assembly drive of controller is annotated the liquid subassembly and is annotated the pit of plank and annotate liquid in order to repair the pit to this efficiency that can improve the repair timber pit.
Preferably, the frame is connected with the dust removal subassembly, the dust removal subassembly is including sweeping the pit brush, the brush head of sweeping the pit brush is used for clearing up the impurity in the plank pit, sweep pit brush one end with drive assembly connects.
By adopting the technical scheme, the pit sweeping brush can be used for cleaning pits of the wood board, so that impurities in the pits of the wood board can be reduced to improve the cleanliness, and after the wood repairing liquid is injected into the pits, the connection strength between the wood repairing liquid and the peripheral walls of the pits can be improved, and the solidified wood repairing liquid can be prevented from falling off from the pits as much as possible.
Preferably, the rack is connected with a second scanning part, the second scanning part is electrically connected with the controller, the second scanning part is used for scanning the repaired wood board and outputting detection information, the controller is used for receiving the detection information and judging whether the pit is completely repaired according to the detection information, when the pit is completely repaired, the controller is used for outputting a switching signal, and the driving assembly is used for receiving the switching signal and driving the liquid injection assembly to inject liquid into the next pit; when the pit is not completely repaired, the controller is used for outputting a repairing signal, and the driving assembly is used for receiving the repairing signal and driving the liquid injection assembly to inject liquid into the same pit again.
Through adopting above-mentioned technical scheme, repair the pit back of plank through timber repair liquid, the pit after the second scanning piece is repaired is scanned to the inspection pit, whether repair is complete, when repairing incomplete, the liquid subassembly is annotated to the drive of controller control drive assembly again annotates liquid in order to continue repairing same pit to same pit, when repairing completely, the liquid subassembly is annotated to next pit to the drive of controller control drive assembly, and then other pits in order to repair the plank can improve the repair quality.
In order to improve the repairing efficiency of the wood pits, the application provides a method for repairing the surface defects of the wood board, which adopts the following technical scheme:
a method for repairing surface defects of a wood board comprises the following steps:
obtaining a scanning model of the wood board;
dividing a pit part and a flat part according to a scanning model of the wood board;
acquiring the relative position of the pit part on the scanning model, and generating the position information of the pit part;
a drive signal for injecting the pit portion is output based on the position information of the pit portion.
Through adopting above-mentioned technical scheme, through the positional information of pit portion, the steerable subassembly of annotating injects timber repair liquid into in the pit portion of annotating to this pit that can fill on the plank improves the plank quality, can improve the efficiency of repairing the timber pit simultaneously.
Preferably, after the step of generating the position information of the pit portion, the method further includes:
acquiring the maximum depth of the pit part, and judging whether the maximum depth of the pit part is greater than a preset repairing depth or not;
if so, generating a filling signal for filling the repairing liquid to the bottom of the pit part;
if not, generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval;
judging whether the liquid level of the repair liquid in the pit is positioned between the preset repair depth and the opening of the pit part;
if so, generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval;
if not, the injection is finished.
Through adopting above-mentioned technical scheme, before annotating the liquid circuit in the formation, judge earlier whether the degree of depth of pit portion is greater than predetermined repair degree of depth, when the degree of depth of pit portion is greater than predetermined repair degree of depth, at first fill the bottom of pit portion, when filling to between the opening of predetermined repair degree of depth and pit portion, again based on predetermined notes liquid circuit interval formation annotate the liquid circuit, can avoid filling the timber repair liquid that the liquid circuit pours into to the bottom of pit portion and lead to annotating the condition that liquid circuit department does not persist timber repair liquid as far as possible, can improve the repair precision to the pit.
Preferably, after the step of generating the position information of the pit portion, the method further includes:
counting the pit parts, arranging the pit parts in the distribution sequence of the pit parts along the length direction of the wood board and generating a sequence table;
based on the sequence table and the position information of the pit portions, a shortest switching line for repairing the plurality of pit portions is generated.
By adopting the technical scheme, after the pits are sequenced, the pits can be repaired in sequence, omission can be avoided as much as possible, and meanwhile, the pits are switched by the shortest switching line to repair the pits, so that the pit repairing efficiency can be improved.
Preferably, after the step of generating a liquid injection line for repairing the same pit based on the preset liquid injection line interval, the method further includes:
calculating the volume of the first repair liquid based on the model of the pit part;
generating a driving signal for repairing the pit part based on the liquid injection circuit and the volume of the first repairing liquid;
acquiring a scanning model of the pit after liquid injection, and generating a scanning model of the repaired part;
judging whether the repaired part is lower than the opening of the pit part or not based on the scanning model of the repaired part and the scanning model of the pit part;
if so, calculating a second repair liquid volume for repairing the same pit part based on the scanning model of the repair part and the scanning model of the pit part;
if not, switching to the next pit part.
By adopting the technical scheme, the volume of the wood repairing liquid for repairing the corresponding pit is calculated through the model of the pit part, the repairing precision can be improved, and the wood repairing liquid is saved.
Preferably, in the step of generating a liquid injection line for repairing the same pit based on the preset liquid injection line interval, the method includes:
acquiring the opening width of the pit part based on the scanning model of the pit part;
judging whether the opening width of the pit part is larger than twice of the interval of a preset liquid injection line or not;
if so, generating a plurality of liquid injection lines, wherein the liquid injection lines are distributed at intervals at preset repair intervals;
if not, the line segment center points of the opening width are connected in sequence to generate the liquid injection circuit.
By adopting the technical scheme, the pits can be repaired by one repairing route for the pits with narrow openings, and the pits are repaired by a plurality of repairing routes for the pits with wide openings, so that the repairing precision of the pits can be improved.
Preferably, the method further includes, after the step of outputting a drive signal for injecting the pit portion based on the position information of the pit portion:
acquiring a pressurization instruction;
a pressurizing signal for increasing the ambient air pressure of the pocket is generated based on the pressurizing command and the position information of the pocket.
By adopting the technical scheme, after the wood repairing liquid is injected into the pit of the wood board, the wood repairing liquid is pressurized, so that the connection strength between the wood repairing liquid and the peripheral wall of the pit can be improved, and the wood repairing liquid can be prevented from falling off from the pit after being solidified as much as possible.
Preferably, after the step of generating a pressurization signal for increasing the ambient air pressure of the pit portion, the method further includes:
acquiring an air drying instruction;
and generating a wind supply signal for supplying wind to the pit part based on the air drying instruction.
By adopting the technical scheme, the pressurized wood repairing liquid is air-dried, so that the solidification speed of the wood repairing liquid can be increased, and the pit repairing efficiency can be improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the wood plate is conveyed at the bottom of the rack through the conveying belt, the first scanning piece scans the whole wood plate, the controller can search the pits in the wood plate and determine the positions of the pits through scanning information, and the controller can control the driving assembly to drive the liquid injection assembly to inject liquid into the pits in the wood plate so as to repair the pits, so that the efficiency of repairing the wood pits can be improved;
2. the pit sweeping brush can be used for cleaning pits of the wood board, so that impurities in the pits of the wood board can be reduced to improve the cleanliness, and after the wood repairing liquid is injected into the pits, the connection strength between the wood repairing liquid and the peripheral walls of the pits can be improved, and the solidified wood repairing liquid can be prevented from falling off from the pits as much as possible;
3. when the depth of pit portion is greater than predetermined repair depth, fill the bottom of pit portion at first, when filling to between predetermined repair depth and the opening of pit portion, again based on predetermined notes liquid circuit interval generation annotate the liquid circuit, can avoid as far as possible to repair the condition that the liquid stream did not persist the timber repair liquid to the bottom of pit portion and lead to annotating the liquid circuit department according to the timber of annotating the liquid circuit injection, can improve the repair precision to the pit.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for repairing surface defects of a wooden board according to an embodiment of the present disclosure.
FIG. 2 is a schematic cross-sectional view of a part of the structure of a device for repairing surface defects of a wood board according to an embodiment of the present disclosure, which is used to show a liquid injection assembly.
FIG. 3 is a schematic overall flowchart of a method for repairing surface defects of a wood board according to an embodiment of the present disclosure.
FIG. 4 is a partial schematic flow chart of a method for repairing surface defects of a wood board according to an embodiment of the present disclosure, showing S30-S36.
FIG. 5 is a schematic diagram of a predetermined repair depth path of a method for repairing a surface defect of a wood board according to an embodiment of the present disclosure.
FIG. 6 is a partial schematic flow chart of a method for repairing surface defects of a wood board according to an embodiment of the present application, showing S34 b-S42.
Fig. 7 is a partial schematic flow chart of a method for repairing surface defects of a wood board according to an embodiment of the present application, which is shown in S341-S343.
FIG. 8 is a schematic liquid injection circuit diagram of a method for repairing a surface defect of a wood board according to an embodiment of the present disclosure.
FIG. 9 is a partial schematic flow chart of a method for repairing surface defects of a wood board according to an embodiment of the present application, showing S40-S80.
Description of the reference numerals:
100. a conveyor belt; 101. a scanning chamber; 102. a repair chamber; 103. a grinding chamber;
200. a first scanning member;
300. a liquid injection assembly; 301. a liquid storage cylinder; 302. a needle head; 303. a sealing cover;
400. a drive assembly;
500. a dust removal assembly; 501. a pit sweeping brush;
600. a second scanning member;
700. polishing the belt;
800. a wood board.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses plank surface defect patching device. Referring to fig. 1 and 2, the wood board surface defect repairing device includes a frame, the frame includes a scanning chamber 101 and a repairing chamber 102, a first scanning member 200 for scanning a wood board 800 is disposed in the scanning chamber 101, a liquid injection assembly 300 for repairing a pit of the wood board 800 is disposed in the repairing chamber 102, the wood board 800 is scanned by the first scanning member 200 in the scanning chamber 101 and then enters the repairing chamber 102, the pit of the wood board 800 is repaired by the liquid injection assembly 300, and the efficiency of repairing the pit of the wood board can be improved.
The bottom of the rack is provided with a conveyer belt 100, the bottom of the scanning chamber 101 is communicated with the bottom of the repairing chamber 102, the conveyer belt 100 passes through the bottom of the scanning chamber 101 and the bottom of the repairing chamber 102, and the conveyer belt 100 is used for conveying the wood board 800. The first scanning element 200 is electrically connected with a controller, and the controller adopts an STC89C51 type single chip microcomputer. The first scanning member 200 is a radar, which is connected to the center of the top of the scanning chamber 101, and the transmitting part and the receiving part of the radar face the conveyor belt 100. The conveyer belt 100 is connected with a first motor, the first motor is used for driving the conveyer belt 100, the first motor is electrically connected with a controller, and the controller is used for controlling starting and stopping of the first motor.
The liquid injection assembly 300 is connected with a driving assembly 400, the driving assembly 400 is electrically connected with a controller, and the controller is used for controlling the driving assembly 400 to drive the liquid injection assembly 300 to inject liquid into pits of the wood board 800.
Annotate liquid subassembly 300 includes liquid storage barrel 301 and syringe needle 302, and liquid storage barrel 301 and the equal vertical setting of syringe needle 302, the central axis of syringe needle 302 and the central axis collineation of liquid storage barrel 301. The liquid storage barrel 301 is used for storing the wood repairing liquid, one end of the needle 302 is communicated with the bottom of the liquid storage barrel 301, and the other end of the needle is used for discharging liquid.
Still be equipped with dust removal subassembly 500 in repairing room 102, dust removal subassembly 500 is including sweeping pit brush 501 and negative pressure source, and it includes the brush body and brush head to sweep pit brush 501, and the brush body is cylindric and vertical setting, and brush head is connected in the brush body and is close to the one end of conveyer belt 100 for pit on the clearance plank 800.
The driving assembly further comprises a second motor and a second manipulator, the second motor and the second manipulator are connected to one end of the brush body far away from the brush head, and the brush body is connected to the track at the top of the repairing chamber 102 through the second manipulator. The second manipulator and the first manipulator adopt the same manipulator, and the second manipulator is connected with the track in a sliding manner.
The output shaft of the second motor is connected with the end part of the brush body, the second manipulator is connected with the shell of the second motor, and the second manipulator is used for moving the pit sweeping brush 501 so that the pit sweeping brush 501 can move along the transverse direction or the longitudinal direction. The pit sweeping brush 501 is provided with a dust collection hole along the axial direction thereof, the negative pressure source adopts a vacuum pump, and the vacuum pump is communicated with the dust collection hole through a delivery pipe.
The second motor, the second manipulator and the vacuum pump are all electrically connected with the controller. The controller is used for controlling the second mechanical arm to move the pit sweeping brush 501, the controller is used for controlling the second motor to rotate the pit sweeping brush 501 to clean pits on the wood board 800, and the controller is used for controlling the vacuum pump to suck impurities, such as wood chips and dust, generated by cleaning the pits.
The second scanning unit 600 is further disposed in the repairing chamber 102, the second scanning unit 600 is a radar, and is connected to the center of the top of the repairing chamber 102, and the transmitting portion and the receiving portion of the radar face the conveyor belt 100. The second scanning member 600 is electrically connected to a controller for controlling the second scanning member 600 to scan the repaired pit to check whether the pit is completely repaired.
The frame also comprises a grinding chamber 103, the grinding chamber 103 is positioned on one side of the repairing chamber 102 far away from the scanning chamber 101, the bottom of the grinding chamber 103 is communicated with the bottom of the scanning chamber 101, and the conveying belt 100 penetrates through the bottom of the grinding chamber 103. The polishing belt 700 is arranged in the polishing chamber 103, the polishing belt 700 is positioned above the conveying belt 100, a polishing gap is formed between the polishing belt 700 and the conveying belt 100 at intervals, the wood board 800 passes through the polishing gap when conveyed on the conveying belt 100 to polish the wood board 800, so that one side of the pit of the wood board 800 to be repaired can be polished, the part protruding out of the pit after the wood repairing liquid is solidified can be polished, and the surface of the wood board 800 can be kept as flat as possible.
The polishing belt 700 is conveyed by the third motor, and the conveying direction of the polishing belt 700 is perpendicular to the conveying direction of the conveying belt 100. The polishing belt 700 comprises a first polishing portion and a second polishing portion, the area of the first polishing portion is the same as that of the second polishing portion, the first polishing portion and the second polishing portion are both used for polishing the wood board 800, the polishing fineness of the first polishing portion and the polishing fineness of the second polishing portion are different, a third motor is electrically connected with a controller, and the controller is used for controlling the motor to rotate so as to switch the positions of the first polishing portion and the second polishing portion, so that the polishing fineness of the wood board 800 can be adjusted. The grinding belt 700 is connected with a support frame, the support frame is connected with a lead screw, the lead screw is vertically arranged, and the lead screw is used for moving the support frame along the vertical direction to adjust the size of the grinding gap.
The first scanning member 200 is used for scanning the wood board 800 and outputting scanning information, the scanning information comprises pit information, the controller is used for receiving the scanning information, searching for pits and recording the positions of the pits, and then outputting a driving signal, the first mechanical arm is used for receiving the driving signal and driving the liquid storage barrel 301 to move to the upper side of the pits, and the hydraulic pump is used for receiving the driving signal and injecting wood repairing liquid into the pits.
The second scanning part 600 is used for scanning the repaired wood board 800 and outputting detection information, the controller is used for receiving the detection information, when the pit is completely repaired, the controller is used for outputting a switching signal, the first manipulator is used for receiving the switching signal and driving the liquid storage cylinder 301 to move to the position above the next pit, and the hydraulic pump is used for receiving the switching signal and injecting liquid into the pit; when the pit is not completely repaired, the controller is used for outputting a repairing signal, and the hydraulic pump is used for receiving the repairing signal and injecting liquid into the same pit again.
The embodiment of the application also discloses a method for repairing the surface defect of the wood board, and referring to fig. 3, the method for repairing the surface defect of the wood board comprises the following steps:
s10: obtaining a scanning model of the wood board 800;
s20: dividing a pit part and a flat part according to the scanning model of the wood board 800;
specifically, the scanning model is a three-dimensional model generated by a computer after the first scanning element 200 scans the wood board 800, the concave portion is a three-dimensional model generated after scanning a concave on the wood board 800, the flat portion is a three-dimensional model generated after scanning a flat portion of the wood board 800, and the concave portion is a portion lower than the flat portion with the flat portion as a reference.
S30: acquiring the relative position of the pit part on the scanning model, and generating the position information of the pit part;
specifically, the position information includes three-dimensional coordinates, the scanning model is placed in a three-dimensional coordinate system, the three-dimensional coordinates of the pit portion and the three-dimensional coordinates of the flat portion are generated, the three-dimensional coordinates of the pit portion include the three-dimensional coordinates of the opening and the peripheral wall of the pit portion, and the three-dimensional coordinates are generated at intervals of a preset interval, namely the opening and the peripheral wall of the pit portion include a plurality of three-dimensional coordinates.
S40: a drive signal for injecting the liquid into the pit portion is output based on the position information of the pit portion.
Specifically, after the position of the pit portion is determined, the driving signal injection assembly 300 can be controlled to inject the wood repairing liquid into the pit, so that the pit on the wood board 800 can be filled, the quality of the wood board 800 can be improved, and meanwhile the efficiency of repairing the wood pit can be improved.
Referring to fig. 4 and 5, after the step of generating the position information of the pit portion, the method further includes:
s31: counting the pit parts, arranging the pit parts in the distribution sequence of the pit parts along the length direction of the wood board 800 and generating a sequence table;
specifically, the sequence table is a list for sorting the respective pit portions, and includes positions, arrangement sequences, and labels of the corresponding pit portions. After the pits are arranged and labeled, the pits are repaired, so that omission can be avoided as much as possible.
S32: based on the sequence table and the position information of the pit portions, a shortest switching line for repairing the plurality of pit portions is generated.
Specifically, the shortest switching line is a moving line for switching from one pit to the next pit injection assembly 300, and each pit is repaired according to the shortest line, so that the repair efficiency can be improved.
S33: acquiring the maximum depth of the pit part, and judging whether the maximum depth of the pit part is greater than a preset repairing depth or not;
s34 a: if so, generating a filling signal for filling the repairing liquid to the bottom of the pit part;
s34 b: if not, generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval;
specifically, the repairing depth is the depth which can be repaired by the liquid injection circuit and is preset by an operator, and the repairing depth is the distance between the surface of the wood repairing liquid and the surface of the opening of the pit part. In fig. 5, the dotted line is a preset repair depth, and the filling signal is a signal obtained by injecting the wood repair liquid into the bottom of the pit portion when the depth of the pit portion is greater than the repair depth. For the pit part with larger depth, firstly, the bottom of the pit part is filled with liquid, when the depth of the pit part is less than or equal to the repairing depth, the liquid injection circuit can be generated to directly inject liquid into the pit according to the liquid injection circuit, the situation that wood repairing liquid is not reserved at the liquid injection circuit due to the fact that the wood repairing liquid injected according to the liquid injection circuit flows to the bottom of the pit part can be avoided as much as possible, and the repairing precision of the pit can be improved.
S35: judging whether the liquid level of the repair liquid in the pit is positioned between the preset repair depth and the opening of the pit part;
s34 b: if so, generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval;
s36: if not, the injection is finished.
Specifically, annotate the liquid circuit and for annotating the removal circuit that liquid subassembly 300 annotated liquid to pit portion, predetermined annotate liquid circuit interval for the interval of the predetermined notes liquid circuit of operator and pit open-ended to the pit opening is the basis, and the circuit is annotated in order to predetermined notes liquid circuit interval generation, can make timber repair liquid evenly distributed in the pit when repairing the pit. When the bottom of the pit is filled, if the filling is carried out between the preset repairing depth and the opening of the pit part, a liquid injection circuit is generated, the pit is continuously repaired according to the liquid injection circuit, the filled wood repairing liquid fills or fills the pit, and the liquid injection is finished.
Referring to fig. 6, after the step of generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval, the method further includes:
s37: calculating the volume of the first repair liquid based on the model of the pit part;
s38: generating a driving signal for repairing the pit part based on the liquid injection circuit and the volume of the first repairing liquid;
specifically, the first repair liquid volume is a wood repair liquid volume required for repairing a corresponding pit, and the driving signal is a signal used by the controller to control the driving assembly 400 to inject liquid into the pit. By calculating the volume of the pit part and correspondingly calculating the volume of the first repair liquid, the accuracy of filling the pit with liquid can be improved, and the first repair liquid can be prevented from being too little or too much.
S39: acquiring a scanning model of the pit after liquid injection, and generating a scanning model of the repaired part;
specifically, the repairing portion is a first repairing liquid solidified in the pit portion, the scanning model of the repairing portion is a scanning model of the solidified first repairing liquid, and the scanning model of the repairing portion includes three-dimensional coordinates of the outer peripheral wall of the repairing portion and is composed of a plurality of three-dimensional coordinates.
S40: judging whether the repaired part is lower than the opening of the pit part or not based on the scanning model of the repaired part and the scanning model of the pit part;
s41 a: if so, calculating a second repair liquid volume for repairing the same pit part based on the scanning model of the repair part and the scanning model of the pit part;
s41 b: if not, switching to the next pit part.
Specifically, whether the pit is completely repaired can be judged through the three-dimensional coordinates of the repairing portion and the three-dimensional coordinates of the pit portion, when the repairing portion is lower than the opening of the pit portion, the pit is judged to be not completely repaired, and the volume of the second repairing liquid is the volume of the wood repairing liquid required for repairing the pit again. When the repairing part is higher than or level with the opening of the pit part, the pit is judged to be completely repaired, and the next pit is repaired. When the three-dimensional coordinates of the top surface of the repairing part are higher than or level with the openings of the pit part, the pit is judged to be not completely repaired.
Referring to fig. 7 and 8, in the step of generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval, the method includes:
s341: acquiring the opening width of the pit part based on the scanning model of the pit part;
specifically, the opening width of the pit portion is obtained according to a scanning model of the opening of the pit portion, and the widest position of the opening of the pit portion is the opening width of the pit portion.
S342: judging whether the opening width of the pit part is larger than twice of the interval of a preset liquid injection line or not;
s343 a: if so, generating a plurality of liquid injection lines, wherein the liquid injection lines are distributed at intervals at preset repair intervals;
s343 b: if not, the line segment center points of the opening width are connected in sequence to generate the liquid injection line.
Specifically, when the opening width of pit portion was greater than the preset twice of repairing the interval, repaired pit portion through many notes liquid circuits, in this embodiment, can be close to the notes liquid circuit of the opening edge of pit portion and repair pit portion in proper order to the notes liquid circuit of the center department of pit portion. In other embodiments, the recessed portion may be sequentially repaired by an injection line near the center of the recessed portion to an injection line at the edge of the opening of the recessed portion. In fig. 8, the dotted lines represent repair lines for repairing pits with different opening widths, and for the case of multiple liquid injection lines, each liquid injection line may be a closed line or a curved line, and in other embodiments, multiple liquid injection lines may be combined into one spiral liquid injection line, which facilitates repair. When the opening width of the pit part is smaller than twice of the preset repairing interval, a plurality of line segments are distributed in the opening width direction of the pit according to the preset interval, each line segment marks the width of each position of the pit, and a curve formed by connecting the central points of the line segments is the liquid injection circuit.
Referring to fig. 9: after the step of outputting a drive signal for injecting the liquid into the pit portion based on the position information of the pit portion, the method further includes:
s50: acquiring a pressurization instruction;
s60: a pressurizing signal for increasing the ambient air pressure of the pocket is generated based on the pressurizing command and the position information of the pocket.
Specifically, the pressurizing instruction is an instruction for applying pressure to the wood repairing liquid in the pit, and the pressure direction faces to the bottom of the pit part, so that the connection firmness of the wood repairing liquid and the peripheral wall of the pit can be improved. The pressurizing mode adopts air supply, the pressurizing signal is a signal for enabling the air pump to supply air into the sealing cover 303, and when the bottom of the sealing cover 303 covers the pit based on the position information of the pit part, the air pump transmits air into the sealing cover 303 to press the wood repairing liquid downwards, so that part of the wood repairing liquid permeates into gaps on the peripheral wall of the pit.
S70: acquiring an air drying instruction;
s80: and generating a wind supply signal for supplying wind to the pit part based on the air drying instruction.
Specifically, the air-drying instruction is an instruction for air-drying the wood repairing liquid in the pit, and the air-drying mode is to blow air to the wood repairing liquid in the pit through an air pump. The wind pressure of the pressurized air supply is used as the basis, and the wind pressure is multiplied by a reduction coefficient to obtain the air supply pressure. After obtaining the air-dry instruction, the first manipulator of controller control moves liquid storage cylinder 301 towards keeping away from plank 800 direction to make sealed cowling 303 bottom and plank 800 separation, can improve the circulation degree of air when air-drying, and then improve air-dry efficiency, can accelerate the timber and repair the liquid and solidify.
The implementation principle of the device and the method for repairing the surface defects of the wood board in the embodiment of the application is as follows: plank 800 transports to repairing in room 102 after scanning through first scanning piece 200 in scanning room 101 and repairs, to darker pit, liquid storage cylinder 301 annotates liquid to predetermined repair degree of depth to the pit bottom at first, to the pit of opening broad, the accessible is many annotates liquid circuit and annotates liquid to the pit, annotate the liquid back and repair liquid pressurization and air-dry to timber through the air pump, the pit after the scanning of second scanning piece 600 was repaired is in order to inspect whether the pit is repaired completely, if repair incomplete then repair once more, if repair completely then repair other pits, and then can improve the repair efficiency to the timber pit. All pits on the wood board 800 are repaired and then conveyed to the polishing chamber 103 for polishing, so that the parts of the solidified wood repairing liquid protruding out of the pits can be polished, and the uniformity of the surface of the wood board 800 can be improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a plank surface defect patching device which characterized in that: the wood board injection device comprises a rack, wherein a conveying belt (100) used for conveying a wood board (800) is arranged at the bottom of the rack, the rack is connected with a first scanning piece (200) and an injection assembly (300), the first scanning piece (200) and the injection assembly (300) are both positioned above the conveying belt (100), and the injection assembly (300) is connected with the rack through a driving assembly (400);
still include the controller, first scanning piece (200), drive assembly (400) all with the controller electricity is connected, first scanning piece (200) are used for scanning plank (800) and output scanning information, the controller is used for receiving scanning information and looks for the pit and record the pit position, again according to pit position output drive signal, drive assembly (400) are used for receiving drive signal and drive annotate liquid subassembly (300) and annotate the liquid to the pit.
2. The apparatus for repairing surface defects of wood boards according to claim 1, wherein: the frame is connected with dust removal subassembly (500), dust removal subassembly (500) are including sweeping pit brush (501), the brush head of sweeping pit brush (501) is used for clearing up the impurity in plank (800) pit, sweep pit brush (501) one end with drive assembly (400) are connected.
3. The apparatus for repairing surface defects of wood boards according to claim 1, wherein: the machine frame is connected with a second scanning part (600), the second scanning part (600) is electrically connected with the controller, the second scanning part (600) is used for scanning the repaired wood board (800) and outputting detection information, the controller is used for receiving the detection information and judging whether the pits are completely repaired according to the detection information, when the pits are completely repaired, the controller is used for outputting a switching signal, and the driving assembly (400) is used for receiving the switching signal and driving the liquid injection assembly (300) to inject liquid into the next pit; when the pit repair is not complete, the controller is used for outputting a repair signal, and the driving assembly (400) is used for receiving the repair signal and driving the liquid injection assembly (300) to inject liquid into the same pit again.
4. A method for repairing the surface defects of a wood board is characterized by comprising the following steps: the method comprises the following steps:
obtaining a scan model of a wood board (800);
dividing a pit part and a flat part according to a scanning model of the wood board (800);
acquiring the relative position of the pit part on the scanning model, and generating the position information of the pit part;
a drive signal for injecting the liquid into the pit portion is output based on the position information of the pit portion.
5. The method for repairing surface defects of wood boards according to claim 4, wherein: after the step of generating the position information of the pit portion, the method further includes:
acquiring the maximum depth of the pit part, and judging whether the maximum depth of the pit part is greater than a preset repairing depth or not;
if so, generating a filling signal for filling the repairing liquid to the bottom of the pit part;
if not, generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval;
judging whether the liquid level of the repair liquid in the pit is positioned between the preset repair depth and the opening of the pit part;
if so, generating a liquid injection line for repairing the same pit based on a preset liquid injection line interval;
if not, the injection is finished.
6. The method for repairing surface defects of wood boards according to claim 4, wherein: after the step of generating the position information of the pit portion, the method further includes:
counting the pit parts, arranging the pit parts according to the distribution sequence of the pit parts along the length direction of the wood board (800) and generating a sequence table;
based on the sequence table and the position information of the pit portions, a shortest switching line for repairing the plurality of pit portions is generated.
7. The method for repairing surface defects of wood boards according to claim 5, wherein: after the step of generating a liquid injection line for repairing the same pit based on the preset liquid injection line interval, the method further comprises the following steps of:
calculating the volume of the first repair liquid based on the model of the pit part;
generating a driving signal for repairing the pit part based on the liquid injection circuit and the first repairing liquid volume;
acquiring a scanning model of the pit after liquid injection, and generating a scanning model of the repaired part;
judging whether the repaired part is lower than the opening of the pit part or not based on the scanning model of the repaired part and the scanning model of the pit part;
if so, calculating a second repair liquid volume for repairing the same pit part based on the scanning model of the repair part and the scanning model of the pit part;
if not, switching to the next pit part.
8. The method for repairing the surface defect of the wood board according to claim 5, wherein: in the step of generating a liquid injection line for repairing the same pit based on the preset liquid injection line interval, the method includes:
acquiring the opening width of the pit part based on the scanning model of the pit part;
judging whether the opening width of the pit part is more than twice of the interval of a preset liquid injection line or not;
if so, generating a plurality of liquid injection lines, wherein the liquid injection lines are distributed at intervals at preset repair intervals;
if not, the line segment center points of the opening width are connected in sequence to generate the liquid injection line.
9. The method for repairing surface defects of wood boards according to claim 4, wherein: after the step of outputting a drive signal for injecting the liquid into the pit portion based on the position information of the pit portion, the method further includes:
acquiring a pressurization instruction;
a pressurizing signal for increasing the ambient air pressure in the pit portion is generated based on the pressurizing command and the position information of the pit portion.
10. The method for repairing the surface defect of the wood board according to claim 9, wherein: after the step of generating the pressurization signal for increasing the ambient air pressure of the pit portion, the method further includes:
acquiring an air drying instruction;
and generating a wind supply signal for supplying wind to the pit part based on the air drying instruction.
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| CN202210504050.8A CN114734513B (en) | 2022-05-10 | 2022-05-10 | Device and method for repairing surface defects of wood board |
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| CN202210504050.8A CN114734513B (en) | 2022-05-10 | 2022-05-10 | Device and method for repairing surface defects of wood board |
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| CN114734513B CN114734513B (en) | 2022-10-04 |
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| CN112976184A (en) * | 2021-03-05 | 2021-06-18 | 江西理工大学 | Automatic detection and repair device and method for wood plate oil bag |
| CN113263567A (en) * | 2021-05-31 | 2021-08-17 | 青岛豪迈隆木业机械有限公司 | Full-automatic intelligent integrated production line for repairing surface defects of artificial boards |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4922978A (en) * | 1985-04-25 | 1990-05-08 | Yoshinori Koba | Method of mending defective wood plate |
| CN108346153A (en) * | 2018-03-22 | 2018-07-31 | 北京木业邦科技有限公司 | The machine learning of defects in timber and restorative procedure, device, system, electronic equipment |
| CN108848620A (en) * | 2018-06-13 | 2018-11-20 | 深圳市百柔新材料技术有限公司 | The circuit mending method of printed wiring board |
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| CN114734513B (en) | 2022-10-04 |
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