CN114618714A - Uniform painting device and method for sheet material for furniture production - Google Patents
Uniform painting device and method for sheet material for furniture production Download PDFInfo
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- CN114618714A CN114618714A CN202210337631.7A CN202210337631A CN114618714A CN 114618714 A CN114618714 A CN 114618714A CN 202210337631 A CN202210337631 A CN 202210337631A CN 114618714 A CN114618714 A CN 114618714A
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- plate
- piece
- screw rod
- conveying
- lifting frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
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- Spray Control Apparatus (AREA)
Abstract
The invention relates to the technical field of wood board production, and discloses a device and a method for uniformly painting a board for furniture production, wherein the device for uniformly painting the board for furniture production comprises: the conveying member is arranged on the workbench. The painting piece is arranged on the workbench. And two distance measuring sensors are arranged and are positioned at two sides of the conveying piece. And the steering assembly is arranged on the workbench. And the tension sensing piece is used for sensing the pressure of the lifting frame. The controller is used for controlling the conveying piece to enable the plate to move to be sprayed with paint through the lower portion of the paint spraying piece, the controller controls the steering assembly to clamp the plate and lift the plate to match with the conveying piece to turn over, and the controller controls the conveying piece to reversely convey the plate to enable the plate to be sprayed through the paint spraying piece. According to the invention, the plate is turned over by the steering assembly, so that the plate can be turned over, the two sides of the plate can be painted, the integrity of the painted surface is ensured, the automatic turning of the plate is realized, and the automatic control is realized.
Description
Technical Field
The invention relates to the technical field of wood board production, in particular to a device and a method for uniformly painting a board for furniture production.
Background
The wood board is a wood board made of complete wood, and the wood board is firm and durable, has natural grains, is a preferred choice in decoration, and has high manufacturing cost.
The wood board has a wide application range in our life and work, has an important function in our life and work, needs to be painted in the production process, is more attractive, meets the requirements of users, and needs to be manually turned over to perform double-sided painting when the wood board is painted, so that the workload of workers is increased, and the production efficiency of the wood board is reduced.
Disclosure of Invention
In order to solve the technical problem, the invention provides a uniform painting device for a plate for furniture production, which comprises:
a work table;
the conveying piece is arranged on the workbench and used for conveying the plate placed on the workbench;
the paint spraying piece is arranged on the workbench, is positioned above the conveying piece and is used for spraying paint on the upper surface of the plate on the conveying piece;
the two distance measuring sensors are arranged on the two sides of the conveying piece and used for sensing the sprayed plate and measuring the distance between the two distance measuring sensors and the edge of the plate;
the steering assembly is arranged on the workbench and used for overturning the painted plate; the steering assembly is positioned at the rear side of the distance measuring sensor in the flowing direction, and the distance between the steering assembly and the distance measuring sensor is L; the steering assembly comprises a support, a rotary driving piece, a screw rod sleeve, a screw rod shaft, a lifting frame and a clamping rotary piece, wherein the lifting frame is arranged on the support in a lifting mode, the lifting frame is connected to the lower end of the screw rod shaft in a rotary mode, the vertical screw rod sleeve is arranged on the support in a rotary mode, the screw rod shaft is nested in the screw rod sleeve in a matched mode, two sliding grooves are formed in the lifting frame in an opposite mode, the clamping rotary piece is nested in the sliding grooves in a sliding mode relatively in a sliding mode and fixedly connected to one end of each rack rod, a gear is arranged in the lifting frame in a rotary mode, the gear is coaxially and fixedly connected with the lower end of the screw rod shaft, and two sides of the gear are meshed with the two rack rods; the screw rod sleeve is connected with the rotary driving piece, and the friction force between the clamping rotary piece and the rack rod is greater than the friction force between the screw rod sleeve and the screw rod shaft and is less than the sum of the friction force between the screw rod sleeve and the screw rod shaft and the gravity between the lifting frame; under the action of the rotary driving piece, the screw rod sleeve and the screw rod shaft rotate in a unified mode, the gear is driven to rotate, the gear drives the rack rod to pull the clamping rotating piece to draw close inwards to clamp two sides of the end portion of the plate, the rotary driving piece continues to drive the screw rod sleeve to rotate, and the clamping rotating piece cannot draw close; the screw rod shaft cannot rotate, so that the screw rod shaft axially slides in the screw rod sleeve, and the lifting frame is lifted; the end part of the plate is lifted, and the conveying piece pushes the lower end of the plate to move so as to turn over the plate; after the plate is turned over, the driving piece is rotated to drive the screw rod sleeve to rotate reversely, and the screw rod sleeve and the screw rod shaft axially displace reversely to enable the lifting frame and the plate to fall; when the two ends of the plate fall on the plate, the lifting frame loses the gravity of the plate, and the screw rod shaft drives the rack rod to rotate reversely to complete the release of the plate;
the tension sensing piece is used for sensing the pressure of the lifting frame;
the controller is used for controlling the conveying piece to enable the plate to move below the paint spraying piece, and the paint spraying piece sprays the upper surface of the plate; the distance measuring inductor detects the end signal of the plate, the controller times and calibrates time to t equal to 0, and the distance between the edge parts of the plate is detected to be L1And L2(ii) a The controller calculates the starting time difference of the steering assembly
Wherein, V1For the conveying speed of the conveying member, V2The average moving speed of the clamping rotating piece; judging whether t is equal to t', if yes, controlling the rotating driving piece to rotate positively by the controller, and enabling the clamping rotating piece to move inwards to clamp two sides of the end part of the plate and lift; the tension induction piece induces the tension of the lifting frame to be F; judging whether the pulling force F is equal to a preset FLabel 1If so, the controller controls the rotational driveThe piece reversely rotates to enable the lifting frame and the plate to fall down and enable the clamping rotating piece to separate and release the plate; judging whether the pulling force F is equal to a preset FLabel 2And if so, the controller controls the conveying piece to reversely convey so that the plate passes through the paint spraying piece to finish spraying.
Preferably: the working table is provided with a furling piece which is two opposite plate-shaped structures, the two furling pieces are positioned at two sides of the conveying piece, the distance between the paint spraying pieces in the flowing direction is gradually reduced, and the minimum distance is larger than the width of the plate.
Preferably: the clamping and rotating piece comprises a sliding seat, a supporting rod and a rotating seat, the sliding seat is fixedly connected to the rack rod, the supporting rod is fixedly arranged on the opposite side of the sliding seat, and the rotating seat is rotatably arranged at the opposite end of the supporting rod.
Preferably: and a rubber layer is arranged on the clamping surface of the rotating seat.
Preferably: the workbench is fixedly provided with an operation protection cover, the operation protection cover is of a box-type structure with openings at two ends, and the operation protection cover covers the paint spraying part.
Preferably: the rotary driving piece comprises a motor, a driving belt pulley and a driven belt pulley, the motor is fixedly installed on the support, the driving belt pulley is fixedly connected with the output shaft of the motor in a coaxial mode, the driven belt pulley is fixedly connected with the top end of the screw rod sleeve in a coaxial mode, and the driving belt pulley is connected with the driven belt pulley through a belt.
Preferably: the support is provided with a housing, and the housing covers the driving belt pulley and the driven belt pulley.
Preferably: the inner side of the support is fixedly provided with a guide rod, the guide rod penetrates through the end part of the lifting frame in a sliding mode, and the guide rod guides the lifting frame in a sliding mode.
Preferably: the workbench is provided with an air jet row, the air jet row is positioned above the conveying piece and on the rear side of the spraying piece in the flowing direction, and the air jet row is communicated with an air source.
The invention also comprises a method for uniformly painting the sheet material for furniture production, which is applied to the device for uniformly painting the sheet material for furniture production, and the method for uniformly painting the sheet material for furniture production comprises the following steps:
s1, the conveying piece enables the plate to move below the paint spraying piece, and the paint spraying piece sprays the upper surface of the plate;
s2, detecting the end signal of the plate by the ranging sensor, timing the calibration time by the controller to t 0, and detecting that the distance between the edges of the plate is L1And L2；
S3, calculating the starting time difference of the steering assembly
Wherein, V1For the conveying speed of the conveying member, V2The average moving speed of the clamping rotating piece;
s4, judging whether t is equal to t', if yes, executing S5;
s5, rotating the rotating drive piece in the positive direction to enable the clamping rotating piece to draw close inwards to clamp the two sides of the end part of the plate and lift the plate;
s6, the tension of the tension induction piece induction lifting frame is F;
s7, judging whether the pulling force F is equal to a preset FLabel 1If so, go to S8;
s8, reversely rotating the rotating driving piece to enable the lifting frame and the plate to fall down and enable the clamping rotating piece to separate and release the plate;
s9, judging whether the pulling force F is equal to a preset FLabel 2If so, go to S10;
and S10, reversely conveying the conveying member to enable the plate to pass through the painting member to finish spraying.
The invention has the technical effects and advantages that: the panel is turned over through the steering assembly, so that the panel is turned over, two sides of the panel can be sprayed with paint, the painted surface of the panel is prevented from contacting, the integrity of the painted surface is guaranteed, the panel is automatically turned over, and automatic control is achieved. The panel is clamped and lifted through the rotary driving piece, and the panel is turned over in a matching and conveying direction, so that the panel is stably turned over, collision is avoided, the structure is simplified, and energy is saved to realize sequential linkage.
Drawings
Fig. 1 is a schematic perspective view of a device for uniformly painting a sheet material for furniture production according to the present invention.
Fig. 2 is a schematic top view of the device for uniformly painting the sheet material for furniture production according to the present invention.
Fig. 3 is a partial sectional structural view of the section a-a in fig. 2.
Fig. 4 is a partial sectional structural view of the section B-B in fig. 2.
Fig. 5 is a partial enlarged structural diagram of a in fig. 3.
Fig. 6 is a partial enlarged structural diagram of b in fig. 4.
Fig. 7 is a flow chart of a method for uniformly painting a sheet material for furniture production according to the present invention.
Description of reference numerals: the device comprises a workbench 1, a steering assembly 2, a bracket 3, a motor 4, a driving belt pulley 5, a driven belt pulley 6, a screw rod sleeve 7, a screw rod shaft 8, a lifting frame 9, a clamping rotating piece 10, an air injection row 11, an operation protective cover 12, a conveying roller 13, a plate 14, a distance measuring sensor 15, a furling piece 16, a paint spraying piece 17, a guide rod 18, a gear 19, a rack rod 20, a sliding seat 21, a supporting rod 22, a rotating seat 23 and a rubber layer 24.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1 to 4, in the present embodiment, a uniform painting apparatus for a panel for furniture production is provided, which is used for painting the panel and turning over the panel to perform double-sided painting, and includes a table 1, a steering assembly 2, a conveying member, and a painting member 17.
The workbench 1 can be a rectangular plate-shaped structure, and the workbench 1 is used for supporting and mounting. The bottom of the workbench 1 can be provided with supporting legs, the bottom of each supporting leg is fixedly provided with a base plate, through holes are formed in the base plates, and bolts penetrate through the through holes to fix the workbench 1 on the ground or a production line. Of course, the bottom of the supporting leg can be provided with one or a combination of a rotating wheel and a universal wheel, and the rotating wheel and/or the universal wheel are/is provided with a clamping plate for braking, so that the movement and the fixation of the uniform painting device for the plates for furniture production are facilitated.
The conveying member is arranged on the workbench 1, and is used for conveying the plate 14 placed on the workbench 1, the conveying member may be a conveyor belt or a conveying roller 13 structure, and the like, and can linearly convey the plate 14, which is not described herein.
And a painting member 17 mounted on the table 1 above the conveyor for painting the upper surface of the sheet 14 on the conveyor. The conveying member is supported on the lower surface of the plate 14, and the upper surface of the plate 14 is not in contact with the conveying member, so that the damage caused by the contact of the painted surface and a foreign object is avoided. The specific structure of the painting member 17 is prior art and will not be described in detail herein. Can fixed mounting have operation safety cover 12 on the workstation 1, operation safety cover 12 is provided with open-ended box structure for both ends, and including operation safety cover 12 will spray paint a 17 cover, the setting of operation safety cover 12 can be kept apart the operation environment of a 17 that sprays paint with the external world to reduce the operation ease polluted environment that sprays paint. The two openings of the work boot 12 are opened on the front side and the rear side of the flow direction of the sheet material 14, the flow direction of the sheet material 14 is the rear side, and the initial flow direction is the front side, which will not be described in detail herein.
The air-jet row 11 is installed on the workbench 1, is located above the conveying part and is located on the rear side of the flowing direction of the paint-spraying part 17, the air-jet row 11 is communicated with an air source, air is sprayed out of the air-jet row 11, the upper surface of the plate 14 can be dried, and therefore drying of a paint surface can be accelerated, time of paint spraying operation of the plate 14 is shortened, and operation efficiency is improved.
Turn to subassembly 2, install on workstation 1 for overturn the panel 14 that sprays paint, make the face that sprays paint of panel 14 face up to the non-paint face that sprays paint of face down, be convenient for two-sided spray paint. The steering assembly 2 is located at the rear side of the flow direction of the distance measuring sensor 15, and the distance between the steering assembly and the distance measuring sensor 15 is L. The steering assembly 2 may include a bracket 3, a rotary driving member, a screw rod sleeve 7, a screw rod shaft 8, a lifting frame 9 and a clamping rotary member 10, the bracket 3 may be an inverted concave structure, the connection point of the steering assembly 2 is located at two sides of the conveying member, of course, the steering assembly 2 may also be an inverted L-shaped structure, which is not described herein in detail. A lifting frame 9 is arranged on the support 3 in a lifting mode, the lifting frame 9 is connected to the lower end of a screw rod shaft 8 in a rotating mode, a vertical screw rod sleeve 7 is arranged on the support 3 in a rotating mode, and the screw rod shaft 8 is nested in the screw rod sleeve 7 in a matching mode. Referring to fig. 5, two sliding grooves are oppositely formed in the interior of the crane 9, the clamping rotating member 10 is relatively slidably nested in the sliding grooves and is fixedly connected to one end of a rack bar 20, a gear 19 is rotatably arranged in the interior of the crane 9, the gear 19 is coaxially and fixedly connected to the lower end of the screw shaft 8, and two sides of the gear 19 are engaged with the two rack bars 20. The screw rod sleeve 7 is connected with the rotary driving piece, and the friction force between the clamping rotary piece 10 and the rack rod 20 is larger than the friction force between the screw rod sleeve 7 and the screw rod shaft 8 and smaller than the sum of the friction force between the screw rod sleeve 7 and the screw rod shaft 8 and the gravity force between the lifting frame 9. Under the action of the rotary driving piece, the screw rod sleeve 7 and the screw rod shaft 8 rotate together, so that the gear 19 rotates, the gear 19 drives the rack rod 20 to pull the clamping and rotating piece 10 to draw close inwards to clamp two sides of the end part of the plate 14, the rotary driving piece continues to drive the screw rod sleeve 7 to rotate, and the clamping and rotating piece 10 cannot draw close; the screw shaft 8 cannot rotate, so that the screw shaft 8 axially slides in the screw sleeve 7, and the lifting frame 9 is lifted; the end of the sheet 14 is raised and the conveyor pushes the lower end of the sheet 14 to move, thereby completing the inversion of the sheet 14. After the plate 14 is turned over, the driving piece is rotated to drive the screw rod sleeve 7 to rotate reversely, and the screw rod sleeve 7 and the screw rod shaft 8 axially displace reversely, so that the lifting frame 9 and the plate 14 fall down. When the two ends of the plate 14 fall on the plate 14, the lifting frame 9 loses the gravity of the plate 14, the screw shaft 8 drives the rack bar 20 to rotate reversely, so that the plate 14 can be loosened, the release of the plate 14 is completed, and the turnover of the plate 14 is completed. The rotary driving piece can comprise a motor 4, a driving belt pulley 5 and a driven belt pulley 6, the motor 4 is fixedly installed on the support 3, the output shaft of the motor 4 is fixedly connected with the driving belt pulley 5, the top end of the screw rod sleeve 7 is fixedly connected with the driven belt pulley 6, and the driving belt pulley 5 and the driven belt pulley 6 are connected through a belt. Under the drive of the motor 4, the driving pulley 5 rotates to drive the driven pulley 6 to rotate, thereby driving the screw rod sleeve 7 to rotate. The support 3 can be provided with a housing, the housing covers the driving belt pulley 5 and the driven belt pulley 6, so that the situation that sundries enter the space between the belt and the driving belt pulley 5 and between the sundries and the driven belt pulley 6 to cause transmission obstruction is avoided, and meanwhile, the safety of the device is improved. The inside of support 3 is fixed and is provided with guide bar 18, and guide bar 18 slides and passes the tip of crane 9, and guide bar 18 carries out the sliding guide to crane 9 to make crane 9 slide stably and smoothly.
The pulling force sensing piece can be installed on the lifting frame 9 and used for sensing the pressure of the lifting frame 9, the pulling force of the lifting frame 9 is calculated, and the pulling force sensing piece is the prior art and is not specifically described herein.
And the controller is electrically or wirelessly connected with the paint spraying piece 17, the air injection row 11, the conveying piece, the distance measuring sensor 15, the rotary driving piece and the tension sensing piece, and the plate 14 is placed on the conveying piece. The controller controls the conveying piece to convey the plate 14 to move below the painting piece 17, the painting piece 17 sprays on the upper surface of the plate 14, the plate 14 passes through the air jet row 11, and the air jet row 11 jets air flow to dry the upper surface of the plate 14. The sheet material 14 flows through the distance measuring sensor 15, the distance measuring sensor 15 detects the end signal of the sheet material 14, and the controllerThe calibration time t is 0, and the time is counted, and the distance between the edge of the plate 14 and the distance measuring sensor 15 (or the initial position of the holding rotating member 10 at this time) is detected to be L1And L2. The controller calculates the difference in the starting time of the steering assembly 2
Wherein, V1For the conveying speed of the conveying member, V2For the average moving speed of the clamping rotating member 10, wherein the clamping rotating member 10 may pass through the processes of acceleration, uniform speed and deceleration, the average speed may pass through L1And L2The calculation is not described herein in detail. The controller determines whether t is equal to t', and if so, the controller controls the rotary driving member to rotate in the forward direction. Under the action of the rotary driving piece, the screw rod sleeve 7 and the screw rod shaft 8 rotate in a unified mode, the driving gear 19 rotates, the gear 19 drives the rack rod 20 to pull the clamping and rotating piece 10 to draw close inwards to clamp two sides of the end portion of the plate 14, the rotary driving piece continues to drive the screw rod sleeve 7 to rotate, the screw rod shaft 8 cannot rotate due to the fact that the clamping and rotating piece 10 cannot draw close, and therefore the screw rod shaft 8 slides axially in the screw rod sleeve 7, the lifting frame 9 is lifted, the end portion of the plate 14 is lifted, and the conveying piece pushes the lower end of the plate 14 to move. The tension sensing piece senses that the tension of the lifting frame 9 is F. The controller judges whether the pulling force F is equal to a preset FLabel 1，FLabel 1The gravity of the plate 14 or the gravity slightly smaller than the gravity of the plate 14 can be used, the tension F sensed by the lifting frame 9 is the gravity for eliminating the lifting frame 9, details are not repeated herein specifically, if the tension F sensed by the lifting frame 9 is the gravity for eliminating the gravity of the lifting frame 9, the controller controls the rotary driving piece to drive the screw rod sleeve 7 to rotate reversely, and the screw rod sleeve 7 and the screw rod shaft 8 are axially displaced reversely to enable the lifting frame 9 and the plate 14 to fall. When the two ends of the plate 14 fall on the plate 14, the lifting frame 9 loses the gravity of the plate 14, the screw shaft 8 drives the rack bar 20 to rotate reversely, so that the plate 14 can be loosened, the release of the plate 14 is completed, the clamping rotating piece 10 slides reversely to the initial position, and the plate 14 is turned over. The controller judges whether the pulling force F is equal to a preset FLabel 2，FLabel 2Can be 0 or slightly larger than 0, the tension F induced by the lifting frame 9 is the lifting removalThe gravity of the descending frame 9 is not described in detail herein, and if so, the controller controls the conveying member to reversely convey so that the plate 14 passes through the paint spraying member 17 to finish spraying. The turning of the plate 14 is completed by lifting the steering assembly 2, so that the plate 14 can be turned, two sides of the plate 14 can be sprayed with paint, the sprayed surface of the plate 14 is prevented from contacting, the integrity of the sprayed surface is guaranteed, the plate 14 can be automatically turned, and automatic control is completed. The plate 14 is clamped and lifted through a rotary driving piece, and is matched with the conveying direction to complete overturning, the overturning is stable, collision is avoided, meanwhile, the structure is simplified, and energy is saved to realize sequential linkage.
Example 2
The workbench 1 is provided with a furling piece 16, the furling piece 16 is two opposite plate-shaped structures, the two furling pieces 16 are arranged on two sides of the conveying piece, the distance between the paint spraying pieces 17 in the flowing direction is gradually reduced, the minimum distance is larger than the width of the plates 14, and the furling piece 16 can slide on the workbench 1, so that the distance between the two furling pieces 16 is changed, and the plates 14 can be furled in the middle of the conveying piece.
Example 3
Referring to fig. 6, the clamping rotation member 10 may include a sliding seat 21, a supporting rod 22 and a rotating seat 23, the sliding seat 21 is fixedly connected to the rack bar 20, the supporting rod 22 is fixedly disposed at an opposite side of the sliding seat 21, the rotating seat 23 is rotatably disposed at an opposite end of the supporting rod 22, and when the rotating seat 23 is clamped at both sides of the end portion of the plate 14 and the clamping rotation member 10 is lifted, the rotating seat 23 rotates on the supporting rod 22, thereby preventing friction between the rotating seat 23 and the plate 14 and preventing edge abrasion of the plate 14. The rubber layer 24 is arranged on the clamping surface of the rotating seat 23, and the rubber layer 24 is arranged to increase the clamping stability and the buffering capacity of the rotating seat 23.
Example 4
Referring to fig. 7, in the present embodiment, a method for uniformly painting a sheet material for furniture production is provided, which includes the following steps:
s1, the conveyor conveys the sheet material 14 to pass under the painting member 17, and the painting member 17 sprays the upper surface of the sheet material 14.
S2, the distance measuring sensor 15 detects the end signal of the sheet material 14, the controller sets the calibration time to t equal to 0 and counts the time, and detects that the edge distance of the sheet material 14 is L1And L2。
S3, calculating the starting time difference of the steering assembly 2
Wherein, V1For the conveying speed of the conveying member, V2The average moving speed of the holding rotation member 10.
S4, determine if t is equal to t', if yes, execute S5.
And S5, rotating the rotating drive piece in the positive direction to enable the clamping rotating piece 10 to move close to and clamp the two sides of the end part of the plate 14 inwards and lift.
S6, the tension induction piece induces the tension of the lifting frame 9 to be F.
S7, judging whether the pulling force F is equal to a preset FLabel 1If so, S8 is executed.
And S8, reversely rotating the rotating driving piece, making the lifting frame 9 and the plate material 14 fall down and making the clamping rotating piece 10 separate to release the plate material 14.
S9, judging whether the pulling force F is equal to a preset FLabel 2If so, S10 is executed.
S10, the conveying member reversely conveys the plate 14 to pass through the painting member 17 to finish spraying.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in this and related arts based on the embodiments of the present invention without creative efforts, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The device for uniformly painting the furniture production plate is characterized by comprising the following components:
a work table;
the conveying piece is arranged on the workbench and used for conveying the plate placed on the workbench;
the paint spraying piece is arranged on the workbench, is positioned above the conveying piece and is used for spraying paint on the upper surface of the plate on the conveying piece;
the two distance measuring sensors are arranged on the two sides of the conveying piece and used for sensing the sprayed plate and measuring the distance between the two distance measuring sensors and the edge of the plate;
the steering assembly is arranged on the workbench and used for overturning the painted plate; the steering assembly is positioned at the rear side of the flow direction of the ranging sensor, and the distance between the steering assembly and the ranging sensor is L; the steering assembly comprises a support, a rotary driving piece, a screw rod sleeve, a screw rod shaft, a lifting frame and a clamping rotary piece, wherein the lifting frame is arranged on the support in a lifting mode, the lifting frame is connected to the lower end of the screw rod shaft in a rotary mode, the vertical screw rod sleeve is arranged on the support in a rotary mode, the screw rod shaft is nested in the screw rod sleeve in a matched mode, two sliding grooves are formed in the lifting frame in an opposite mode, the clamping rotary piece is nested in the sliding grooves in a sliding mode relatively in a sliding mode and fixedly connected to one end of each rack rod, a gear is arranged in the lifting frame in a rotary mode, the gear is coaxially and fixedly connected with the lower end of the screw rod shaft, and two sides of the gear are meshed with the two rack rods; the screw rod sleeve is connected with the rotary driving piece, and the friction force between the clamping rotary piece and the rack rod is greater than the friction force between the screw rod sleeve and the screw rod shaft and is less than the sum of the friction force between the screw rod sleeve and the screw rod shaft and the gravity between the lifting frame; under the action of the rotary driving piece, the screw rod sleeve and the screw rod shaft rotate in a unified mode, the gear is driven to rotate, the gear drives the rack rod to pull the clamping rotating piece to draw close inwards to clamp two sides of the end portion of the plate, the rotary driving piece continues to drive the screw rod sleeve to rotate, and the clamping rotating piece cannot draw close; the screw rod shaft cannot rotate, so that the screw rod shaft axially slides in the screw rod sleeve, and the lifting frame is lifted; the end part of the plate is lifted, and the conveying piece pushes the lower end of the plate to move so as to turn over the plate; after the plate is turned over, the driving piece is rotated to drive the screw rod sleeve to rotate reversely, and the screw rod sleeve and the screw rod shaft axially displace reversely to enable the lifting frame and the plate to fall; when the two ends of the plate fall on the plate, the lifting frame loses the gravity of the plate, and the screw rod shaft drives the rack rod to rotate reversely to complete the release of the plate;
the tension sensing piece is used for sensing the pressure of the lifting frame;
the controller is used for controlling the conveying piece to enable the plate to move below the paint spraying piece, and the paint spraying piece sprays the upper surface of the plate; the distance measurement inductor detects the end signal of panel, and the controller timing calibration time is t equals 0 to detected panel limit portion interval respectively to be L1And L2(ii) a The controller calculates the starting time difference of the steering assembly
Wherein, V1For the conveying speed of the conveying member, V2The average moving speed of the clamping rotating piece; judging whether t is equal to t', if yes, controlling the rotating driving piece to rotate positively by the controller, and enabling the clamping rotating piece to move inwards to clamp two sides of the end part of the plate and lift; the tension induction piece induces the tension of the lifting frame to be F; judging whether the pulling force F is equal to a preset FLabel 1If so, the controller controls the rotary driving piece to rotate reversely, so that the lifting frame and the plate fall down and the clamping rotary piece is separated to release the plate; judging whether the pulling force F is equal to a preset FLabel 2And if so, the controller controls the conveying piece to reversely convey so that the plate passes through the paint spraying piece to finish spraying.
2. The apparatus as claimed in claim 1, wherein the table is provided with a furling member, the furling member is two plate-like structures which are oppositely arranged, the furling members are arranged at both sides of the conveying member, the distance between the painting members in the flowing direction is gradually reduced, and the minimum distance is larger than the width of the plate.
3. The apparatus for uniformly painting a panel for furniture production as claimed in claim 1, wherein the holding rotating member comprises a sliding seat fixedly coupled to the rack bar, a supporting rod and a rotating seat rotatably provided at an opposite side of the sliding seat with the supporting rod, and the rotating seat is rotatably provided at an opposite end of the supporting rod.
4. The device for uniformly painting the sheet material for furniture production as recited in claim 3, wherein a rubber layer is provided on the clamping surface of the rotating base.
5. The device for uniformly painting the plate for furniture production as claimed in claim 1, wherein a work protection cover is fixedly mounted on the workbench, the work protection cover is a box-type structure with openings at two ends, and the work protection cover covers the painted part.
6. The device for uniformly painting the plate for furniture production as claimed in claim 1, wherein the rotary driving member comprises a motor, a driving pulley and a driven pulley, the motor is fixedly mounted on the bracket, the driving pulley is coaxially and fixedly connected with an output shaft of the motor, the driven pulley is coaxially and fixedly connected with the top end of the screw rod sleeve, and the driving pulley and the driven pulley are connected through a belt.
7. The device for uniformly painting a panel for furniture production as claimed in claim 6, wherein a cover is provided on the bracket, and the cover covers the driving pulley and the driven pulley.
8. The device for evenly painting the sheet material for furniture production as recited in claim 1, wherein a guide rod is fixedly arranged on the inner side of the bracket, the guide rod slides through the end part of the lifting frame, and the guide rod guides the lifting frame in a sliding manner.
9. The device for uniformly painting a panel for furniture production as claimed in claim 1, wherein the worktable is provided with an air jet row which is arranged above the conveying member and at the rear side of the painting member in the flowing direction, and the air jet row is communicated with an air source.
10. A method for uniformly painting a board for furniture production, which applies the device for uniformly painting a board for furniture production as claimed in any one of claims 1 to 9, wherein the method for uniformly painting a board for furniture production comprises the following steps:
s1, the conveying piece enables the plate to move below the paint spraying piece, and the paint spraying piece sprays the upper surface of the plate;
s2, detecting the end signal of the plate by the distance measuring sensor, timing the controller to set the timing time as t equal to 0, and detecting that the edge intervals of the plate are L respectively1And L2；
S3, calculating the starting time difference of the steering assembly
Wherein, V1For the conveying speed of the conveying member, V2The average moving speed of the clamping rotating piece;
s4, judging whether t is equal to t', if yes, executing S5;
s5, rotating the rotating drive part forward to make the clamping rotating part move inward to clamp the two sides of the end part of the plate and lift;
s6, the tension of the tension induction piece induction lifting frame is F;
s7, judging whether the pulling force F is equal to a preset FLabel 1If so, go to S8;
s8, reversely rotating the rotating driving piece to enable the lifting frame and the plate to fall down and enable the clamping rotating piece to separate and release the plate;
s9, judging whether the pulling force F is equal to a preset FLabel 2If so, go to S10;
and S10, reversely conveying the conveying member to enable the plate to pass through the painting member to finish spraying.
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| CN114618714B (en) | 2022-10-28 |
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