CN115231350A - Continuous feeding system of many width sectional type flexible light area - Google Patents
Continuous feeding system of many width sectional type flexible light area Download PDFInfo
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- CN115231350A CN115231350A CN202210898702.0A CN202210898702A CN115231350A CN 115231350 A CN115231350 A CN 115231350A CN 202210898702 A CN202210898702 A CN 202210898702A CN 115231350 A CN115231350 A CN 115231350A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/08—Separating articles from piles using pneumatic force
- B65H3/0808—Suction grippers
- B65H3/0816—Suction grippers separating from the top of pile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/14—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device comprising positively-acting mechanical devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
- B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
- B65H5/224—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/04—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of pile
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a continuous feeding system of a multi-width sectional type flexible lamp strip, which belongs to the field of flexible lamp strip feeding devices and comprises a continuous feeding device, a negative pressure manipulator and a negative pressure conveying device, wherein the negative pressure manipulator is arranged between the continuous feeding device and the negative pressure conveying device; continuous feedway includes the feed bin bottom plate, and the top face swing joint of feed bin bottom plate has the material to lift the bottom plate, the below of feed bin bottom plate is equipped with lift drive assembly and is used for driving the material to lift the bottom plate and go up and down, top face one side fixedly connected with material reference baffle of feed bin bottom plate, and material reference baffle side border position fixedly connected with material height sensor, the top face opposite side top of feed bin bottom plate is equipped with movable feed bin baffle, and be equipped with the height that lift adjustment subassembly is used for adjusting movable feed bin baffle between movable feed bin baffle and the feed bin bottom plate. The continuous feeding device is suitable for continuous feeding of flexible lamp strips with different widths, and is simple in structure and stable in feeding.
Description
Technical Field
The invention relates to a flexible lamp strip feeding device, in particular to a continuous feeding system of a multi-width sectional type flexible lamp strip.
Background
With the increasingly wide application of LEDs in the current society, LED strip types are also becoming more and more, wherein the LED strip is divided into two types according to material hardness, namely a flexible strip and a rigid strip, the flexible strip is to assemble LEDs on a strip-shaped FPC (flexible circuit board), the rigid strip is to assemble LEDs on a strip-shaped PCB, and the rigid strip is gradually approved in various decoration industries because of green.
The flexible lamp strip is cut out the segmentation with long lamp strip and is processed again according to the demand when production, and in order to guarantee the continuity of material loading in the course of working, need put flexible lamp strip in advance and carry out the continuous feed on corresponding feedway.
However, the conventional flexible light strip feeding device cannot be applied to flexible light strips with different widths when in use, and different flexible light strips need to be matched with feeding devices with different specifications, so that more mounting sites are required. Accordingly, one skilled in the art provides a continuous feeding system for a multi-width segmented flexible light strip to solve the problems set forth in the background above.
Disclosure of Invention
The invention aims to provide a continuous feeding system of a multi-width sectional type flexible lamp strip, which can be suitable for continuously feeding flexible lamp strips with different widths, has a simple structure and is stable in feeding, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a continuous feeding system of a multi-width sectional type flexible lamp strip comprises a continuous feeding device, a negative pressure manipulator and a negative pressure conveying device, wherein the negative pressure manipulator is arranged between the continuous feeding device and the negative pressure conveying device;
the continuous feeding device comprises a bin bottom plate, a material lifting bottom plate is movably connected to the top end face of the bin bottom plate, a lifting driving assembly is arranged below the bin bottom plate and used for driving the material lifting bottom plate to lift, a material reference baffle is fixedly connected to one side of the top end face of the bin bottom plate, a material height sensor is fixedly connected to the edge of the side face of the material reference baffle, a movable bin baffle is arranged above the other side of the top end face of the bin bottom plate, a lifting adjusting assembly is arranged between the movable bin baffle and the bin bottom plate and used for adjusting the height of the movable bin baffle, and the material reference baffle and the top end face of the movable bin baffle are provided with a paging piece;
negative pressure conveyor includes the base, and the top face both sides fixedly connected with curb plate of base, two fixedly connected with roof between the curb plate opposite flank top, and the inside negative pressure chamber of having seted up of roof, the negative pressure bar hole with negative pressure chamber intercommunication is seted up to roof top face, and negative pressure chamber and external evacuation equipment are connected, two be equipped with conveyor belt on the roof between the curb plate, and conveyor belt's top face sets up a plurality of through-holes that are array distribution, two roof top face symmetry fixedly connected with two width adjustment mechanism that parallel, base bottom face one side fixedly connected with servo motor is used for driving conveyor belt and rotates, and servo motor adopts fuzzy PID to combine kalman filter wave adaptive control to improve interference immunity.
This application can be applicable to the flexible lamp area of different width and carry out the continuous feed, and simple structure feed is stable.
As a further scheme of the invention: the lift drive assembly specifically includes: fix the linear guide at feed bin bottom plate top face intermediate position, linear guide's bottom fixedly connected with motor mounting panel, and the bottom face fixedly connected with through step motor of motor mounting panel, through step motor is inside to be equipped with the run-through step screw rather than the transmission is connected, and run-through step screw top fixedly connected with lead screw connecting plate, the top face both sides fixedly connected with lifting rod of lead screw connecting plate, and lifting rod top run through the feed bin bottom plate and lift bottom plate fixed connection with the material, the activity joint has concave type slider on linear guide's the lateral surface, and concave type slider side fixedly connected with slider connecting plate, fixed connection between slider connecting plate and the lead screw connecting plate.
During the use, the operation of lift drive assembly can promote the material to lift the bottom plate and rise and carry out the pay-off in succession, specifically is: through-type step motor starts the operation, run-through type step screw spiral shell screwing in, it rises to drive the lead screw connecting plate, lifting push rod follows the lead screw connecting plate and rises and lift the bottom plate jacking of material, and the flexible lamp area of placing on the bottom plate is just also by continuous jacking, in addition, the ascending in-process of lead screw connecting plate, it rises to follow on linear guide to drive concave type slider through the slider connecting plate, the stability of the ascending process of lead screw connecting plate has not only been improved but also the skew appears in the direction of rising.
As a still further scheme of the invention: clamping rail grooves are symmetrically formed in the middle positions of two side faces of the linear guide rail, clamping moving blocks are fixedly connected to the positions, corresponding to the clamping rail grooves, of the inner walls of the two sides of the concave sliding block, and the clamping moving blocks are clamped in the clamping rail grooves and can move.
The concave sliding block follows the rising process on the linear guide rail, the clamping moving block also follows the rising process in the clamping rail groove, and the concave sliding block can be prevented from being separated from the linear guide rail by matching the clamping rail groove with the clamping moving block.
As a still further scheme of the invention: the lift adjustment subassembly specifically includes: two otic placodes of fixing in the feed bin bottom plate side by side, the inside lift pin that runs through of otic placode, and an otic placode side is equipped with the setting element and is used for the position of fixed lift pin in the otic placode, the top and the activity feed bin baffle fixed connection of lift pin.
Through adjusting the position of lift pin in the otic placode, can adjust the height of activity feed bin baffle, and then adapt to the not flexible lamp area of co-altitude.
As a still further scheme of the invention: the locating piece specifically comprises: the positioning holes are multiple and vertically and evenly arranged on the outer side face of the lifting stop lever, the positioning pins are located on one side face of the lug plate, and one end of each positioning pin penetrates through the lug plate and is inserted into one positioning hole.
The height of the lifting stop lever can be adjusted by unscrewing the positioning pin, and after the lifting stop lever is adjusted to a proper height, the positioning pin penetrates through the lug plate and is screwed into the corresponding positioning hole, so that the lifting stop lever can be fixed.
As a still further scheme of the invention: the bottom end face of the lug plate is fixedly connected with a linear sliding bearing, and the bottom end of the lifting stop lever penetrates through the linear sliding bearing and is fixedly connected with a stop block.
The setting of linear sliding bearing can be under the frictional prerequisite of reduction restricted the lift direction of lift pin, avoids appearing the direction skew, and the setting of dog can be avoided the lift pin to break away from linear sliding bearing.
As a still further scheme of the invention: the top end face of the bin bottom plate is close to the position fixedly connected with a positioning stop lever on the edge, and the top end of the positioning stop lever penetrates through the material lifting bottom plate.
The setting of location pin can support the one end in flexible light area and prevent that it breaks away from to can conveniently align flexible light area front and back.
As a still further scheme of the invention: and a handle is fixedly connected to the middle position of one side surface of the movable bin baffle.
The setting of handle can make things convenient for the staff to stimulate movable bin baffle from top to bottom.
As a still further scheme of the invention: the width adjustment mechanism specifically includes: fix the fixing base on roof top face, two vertical regulation locating holes that parallel are seted up to the side of fixing base, and a side of fixing base is equipped with the regulating plate, horizontal bar hole has been seted up to a side of regulating plate corresponding regulation locating hole's position, and screws up through implanting in horizontal bar hole and regulation locating hole between regulating plate and the fixing base and fix together, a side of regulating plate and fixing base all is equipped with the inclined plane.
The screws in the transverse strip-shaped holes are unscrewed, the adjusting plate is moved, the distance between the two opposite adjusting plates is adjusted to adapt to the flexible lamp strips with different widths, and finally the screws are screwed down to fasten the adjusting plate.
As a still further scheme of the invention: the transfer function model of the servo motor is as follows:
wherein, C m -coefficient of torque (N · m/a); l is a radical of an alcohol a -armature winding inductance (H); r is a -armature winding resistance (Ω); j is a unit of m Total moment of inertia (including the inertia of the rotor and the load) on the motor shaft (kg · m 2 )；K b -back-emf coefficient (V · s/rad).
Compared with the prior art, the invention has the beneficial effects that:
1. this application can compatible multiple flexible lamp area size, is applicable to the flexible lamp area of different width, satisfies the continuous material loading in flexible lamp area.
2. Compare in traditional flexible lamp area feedway, lamp area clamping tool has been cancelled in this application in the intermediate link, only need simple X direction and Y direction the location can, reduce unnecessary wasting of resources.
3. The continuous feeding device has the advantages that the continuous feeding of the LED flexible lamp strip with the complicated sections is greatly simplified, the structure is simple, the manufacturing cost is low, and the operation is simple and convenient.
4. Because this application can compatible multiple flexible lamp area size carry out the continuous feed, compare in the lamp area that traditional feedway did not need each kind of specification all allocate one set of dedicated tool, only need the lamp area directly place on the material lift the bottom plate can, bring the convenience for the production operator, the cost of equipment has reduced, the installation site of equipment also becomes 1 by a plurality of, has reduced factory building land and power consumption personnel cost, assurance product shipment that again can be quick safety.
5. The LED display screen is not only applied to the LED industry, but also can be fully applied to flexible material equipment industries such as PCB, new energy, SMT, SMD and the like, the use occasions of the appearance are greatly expanded, and the compatibility and flexibility of the appearance are fully exerted.
6. The compatible rail transport of many width flexible lamp area in this application very big the satisfying production processing procedure, simple structure, low cost.
7. Through the lift adjustment subassembly that sets up, the height of adjustment activity feed bin baffle that can be as required simple and fast.
8. Through the negative pressure conveyor who sets up, width adjustment mechanism on it can compatible multiple flexible lamp area size carry out the continuous transportation, and negative pressure is carried and can be improved the stability of flexible lamp area removal in-process.
9. In the negative pressure conveying device, the conveying belt is driven by the servo motor, and the servo motor improves the anti-interference performance by combining fuzzy PID and Kalman filtering adaptive control, so that the stability of the conveying belt in the rotating process is improved.
Drawings
FIG. 1 is a schematic structural view of a continuous feeding system of a multi-width sectional type flexible light strip;
FIG. 2 is a side view of a continuous feeder of a continuous feeding system for a multi-width segmented flexible light strip;
FIG. 3 is a combined view of a lifting drive assembly and a bin floor in a continuous feeding system for a multi-width segmented flexible light strip;
FIG. 4 is a combined view of a movable bin baffle and a flexible light strip in a continuous feeding system of a multi-width sectional type flexible light strip;
FIG. 5 is a schematic structural diagram of a lifting drive assembly in a continuous feeding system of a multi-width segmented flexible light strip;
FIG. 6 is an enlarged view of A of FIG. 5 of a continuous feeding system for a multi-width segmented flexible light strip;
FIG. 7 is a schematic structural diagram of a lifting adjustment assembly in a continuous feeding system of a multi-width segmented flexible light strip;
FIG. 8 is an enlarged view of A of FIG. 1 of a continuous feeding system for a multi-width segmented flexible light strip;
FIG. 9 is a block diagram of a servo motor control system in a continuous feeding system for a multi-width segmented flexible light strip;
FIG. 10 is a diagram of a transfer function of a servo system in a continuous feeding system for a multi-width segmented flexible light strip;
FIG. 11 is a model diagram of two control systems in a continuous feeding system for a multi-width segmented flexible light strip;
fig. 12 is a graph comparing results of two control systems in a continuous feeding system for a multi-width segmented flexible light strip.
In the figure: 1. a material height sensor; 2. a material reference baffle; 3. lifting the bottom plate by the material; 4. a bin floor; 5. a lift drive assembly; 501. a lead screw connecting plate; 502. a lifting push rod; 503. a motor mounting plate; 504. a through-type stepping motor; 505. a through stepping screw; 506. a linear guide rail; 5061. clamping the rail groove; 507. a concave slider; 5071. clamping a moving block; 508. a slider connecting plate; 6. separating the sheets; 7. a movable bin baffle; 8. positioning a stop lever; 9. a flexible light strip; 10. an ear plate; 11. a linear sliding bearing; 12. a lifting stop lever; 13. positioning holes; 14. a stopper; 15. positioning pins; 16. a handle; 17. a negative pressure manipulator; 18. a base; 19. a side plate; 20. a top plate; 21. a conveyor belt; 22. a through hole; 23. negative pressure strip-shaped holes; 24. a fixed seat; 25. adjusting the positioning hole; 26. an adjusting plate; 27. a transverse strip-shaped hole; 28. a servo motor.
Detailed Description
In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.
Referring to fig. 1 to 12, in an embodiment of the present invention, a continuous feeding system for a multi-width segmented flexible light strip includes a continuous feeding device, a negative pressure manipulator 17 and a negative pressure conveying device, wherein the negative pressure manipulator 17 is disposed between the continuous feeding device and the negative pressure conveying device; the continuous feeding device comprises a stock bin bottom plate 4, the top end face of the stock bin bottom plate 4 is movably connected with a material lifting bottom plate 3, and a lifting driving assembly 5 is arranged below the stock bin bottom plate 4 and used for driving the material lifting bottom plate 3 to lift; a material reference baffle 2 is fixedly connected to one side of the top end face of the bin bottom plate 4, a material height sensor 1 is fixedly connected to the position of the side edge of the material reference baffle 2, a movable bin baffle 7 is arranged above the other side of the top end face of the bin bottom plate 4, a lifting adjusting assembly is arranged between the movable bin baffle 7 and the bin bottom plate 4 and used for adjusting the height of the movable bin baffle 7, and the top end faces of the material reference baffle 2 and the movable bin baffle 7 are both provided with a paging sheet 6; the negative pressure conveying device comprises a base 18, side plates 19 are fixedly connected to two sides of the top end face of the base 18, a top plate 20 is fixedly connected between the tops of the opposite side faces of the two side plates 19, a negative pressure cavity is formed in the top plate 20, negative pressure strip-shaped holes 23 communicated with the negative pressure cavity are formed in the top end face of the top plate 20, the negative pressure cavity is connected with external vacuum-pumping equipment, a conveying belt 21 is arranged on the top plate 20 between the two side plates 19, a plurality of through holes 22 which are distributed in an array mode are formed in the top end face of the conveying belt 21, two parallel width adjusting mechanisms are symmetrically and fixedly connected to the top end faces of the two top plates 20, a servo motor 28 is fixedly connected to one side of the bottom end face of the base 18 and used for driving the conveying belt 21 to rotate, and the servo motor 28 improves anti-interference performance by combining fuzzy PID and Kalman filtering adaptive control. This application can be applicable to the flexible lamp area 9 of different width and carry out continuous material loading, and simple structure material loading is stable.
In this embodiment: lift drive assembly 5 specifically includes: the linear guide rail 506 is fixed in the middle of the top end face of the bin bottom plate 4, a motor mounting plate 503 is fixedly connected to the bottom end of the linear guide rail 506, a through type stepping motor 504 is fixedly connected to the bottom end face of the motor mounting plate 503, a through type stepping screw 505 in transmission connection with the through type stepping motor 504 is arranged inside the through type stepping motor 504, a screw connecting plate 501 is fixedly connected to the top end of the through type stepping screw 505, lifting push rods 502 are fixedly connected to two sides of the top end face of the screw connecting plate 501, the top end of each lifting push rod 502 penetrates through the bin bottom plate 4 and is fixedly connected with the material lifting bottom plate 3, a concave slider 507 is movably clamped on the outer side face of the linear guide rail 506, a slider connecting plate 508 is fixedly connected to the side face of the concave slider 507, and the slider connecting plate 508 is fixedly connected with the screw connecting plate 501. During the use, the operation of lift drive assembly 5 can promote the material to lift bottom plate 3 and rise and carry out continuous feeding, specifically is: through-type step motor 504 starts the operation, through-type step screw 505 spiral shell screwing in, it rises to drive lead screw connecting plate 501, lifting push rod 502 follows lead screw connecting plate 501 and rises to lift the material bottom plate 3 jacking, and place the flexible lamp area 9 on the material bottom plate 3 and also by continuous jacking, in addition, lead screw connecting plate 501 rises the in-process, it follows on linear guide 506 to drive concave slider 507 through slider connecting plate 508, not only improved lead screw connecting plate 501 rise the stability of process and still avoided the rising direction skew to appear.
In this embodiment: clamping rail grooves 5061 are symmetrically formed in the middle positions of two side faces of the linear guide rail 506, clamping moving blocks 5071 are fixedly connected to the positions, corresponding to the clamping rail grooves 5061, of the inner walls of the two sides of the concave sliding block 507, and the clamping moving blocks 5071 are clamped in the clamping rail grooves 5061 and can move. In the process that the concave sliding block 507 rises on the linear guide 506, the clamping moving block 5071 also rises in the clamping rail groove 5061, and the concave sliding block 507 can be prevented from being separated from the linear guide 506 due to the matching use of the clamping rail groove 5061 and the clamping moving block 5071.
In this embodiment: lift adjustment subassembly specifically includes: two otic placodes 10 that fix in the feed bin bottom plate 4 side in parallel, the inside lift pin 12 that runs through of otic placode 10 is provided with, and otic placode 10 side is equipped with the setting element and is used for fixed lift pin 12 position in otic placode 10, lift pin 12's top and activity feed bin baffle 7 fixed connection. Through adjusting the position of lift pin 12 in otic placode 10, can adjust the height of activity feed bin baffle 7, and then adapt to the not flexible lamp area 9 of co-altitude.
In this embodiment: the setting element specifically includes: locating hole 13 and locating pin 15, the quantity of locating hole 13 be a plurality of and vertical evenly set up on lift pin 12 lateral surface, and locating pin 15 is located otic placode 10 a side, and 15 one ends of locating pin run through otic placode 10 and insert in a locating hole 13. The height of the lifting stop lever 12 can be adjusted by screwing out the positioning pin 15, and after the lifting stop lever 12 is adjusted to a proper height, the positioning pin 15 penetrates through the ear plate 10 and is screwed into the corresponding positioning hole 13, so that the lifting stop lever 12 can be fixed.
In this embodiment: the bottom end surface of the ear plate 10 is fixedly connected with a linear sliding bearing 11, and the bottom end of the lifting stop lever 12 penetrates through the linear sliding bearing 11 and is fixedly connected with a stop block 14. The linear sliding bearing 11 is arranged to limit the lifting direction of the lifting stop lever 12 on the premise of reducing friction, so as to avoid direction deviation, and the stop block 14 is arranged to avoid the lifting stop lever 12 from being separated from the linear sliding bearing 11.
In this embodiment: the position fixedly connected with of border is close to on one side of the top end face of feed bin bottom plate 4 and fixes a position pin 8, and the material lifting bottom plate 3 is run through on the top of location pin 8. The setting of location pin 8 can support the one end of flexible light strip 9 and prevent that it breaks away from to can conveniently align around the flexible light strip 9.
In this embodiment: a handle 16 is fixedly connected to the middle position of one side surface of the movable bin baffle 7. The handle 16 is arranged to facilitate the worker to pull the movable bin baffle 7 up and down.
In this embodiment: as shown in fig. 8, the width adjustment mechanism specifically includes: fix the fixing base 24 on roof 20 top terminal surface, two vertical regulation locating hole 25 that parallel are seted up to the side of fixing base 24, and a side of fixing base 24 is equipped with regulating plate 26, and a side of regulating plate 26 corresponds the position of adjusting locating hole 25 and has seted up horizontal bar hole 27, and it screws up together to fix through implanting the screw in horizontal bar hole 27 and regulation locating hole 25 between regulating plate 26 and the fixing base 24, and a side of regulating plate 26 and fixing base 24 all is equipped with the inclined plane. The screws in the transverse strip-shaped holes 27 are unscrewed, the adjusting plates 26 are moved, the distance between the two opposite adjusting plates 26 is adjusted to adapt to the flexible lamp strips 9 with different widths, the screws are screwed down to fasten the adjusting plates 26, and when the negative pressure manipulator 17 puts down the flexible lamp strips 9, the flexible lamp strips 9 are automatically corrected and positioned along the inclined surfaces of the adjusting plates 26 under the action of gravity and the inclined surfaces.
In this embodiment: as shown in fig. 9, a transfer function model of the servo motor 28 is as follows:
wherein, C m -coefficient of torque (N · m/a); l is a -armature winding inductance (H); r a -armature winding resistance (Ω); j. the design is a square m Total moment of inertia (including the inertia of the rotor and the load) on the motor shaft (kg · m 2 )；K b -back-emf coefficient (V · s/rad).
The servo motor 28 can output position information and velocity information, and since the position information is obtained by integrating the velocity information once, it is not difficult to give the transfer function structure of the servo system, as shown in fig. 10.
Since the present application focuses mainly on the control of the rotational speed of the conveyor belt 21, it suffices to analyze the speed loop of the servo system. As can be seen from fig. 10: the transfer function of the servo motor 28 speed loop is:
c of the servo motor 28 of the present application m 、R a 、L a 、J m 、K b After the parameters are substituted, the transfer function of the speed loop of the servo motor is obtained as follows: 133/(s) 2 +25s)。
The transfer function, the fuzzy PID controller and the Kalman filter are modeled, for comparison convenience, a common PID controller without the fuzzy PID controller and the Kalman filter is introduced, and the constructed model is shown in FIG. 11.
The following results were obtained by model calculation:
the adaptive PID control parameters adopting fuzzy control Kalman filtering are respectively as follows: -0.2874,0.08226,0.002129; while the ordinary PID control parameters without the fuzzy control Kalman filtering are-0.0008306, 0.00083,2.425 × 10 respectively -7 . From a parametric observation, it is clear that the D parameter of the common PID control is 2.425 × 10 -7 Only with theoretical value, is difficult to realize in practical control engineering。
As shown in fig. 12, it can be seen from the responses of the two control systems to the step signal and the interference signal that the method of the present application has superior performance in terms of engineering realizability, settling time, and interference/system robustness compared to the conventional PID control.
The working principle of the invention is as follows: during the use, the flexible lamp strip 9 is vertically overlapped and directly placed on the material lifting bottom plate 3, then one side of the flexible lamp strip 9 is aligned with the material reference baffle plate 2, the flexible lamp strip 9 is positioned in the X direction, one end of all the flexible lamp strips 9 is abutted against the positioning stop lever 8, the flexible lamp strip 9 is positioned in the Y direction, due to the fact that an enough space exists between the material reference baffle plate 2 and the movable bin baffle plate 7, the flexible lamp strip 9 with various widths can be placed, the positioning mode of the flexible lamp strip 9 is simple and convenient, in addition, the lifting stop lever 12 below the movable bin baffle plate 7 can block the flexible lamp strip 9 to avoid the flexible lamp strip 9 from being separated from the side, it needs to be explained that a worker can adjust the height of the movable bin baffle plate 7 according to the overall height of the flexible lamp strip 9, specifically, the height of the lifting stop lever 12 can be adjusted by screwing the positioning pin 15 out, the positioning pin 10 is screwed into the corresponding positioning hole 13 to fix the lifting stop lever 12 after the lifting stop lever 12 is adjusted to an appropriate height, and further the height adjustment of the movable bin baffle plate 7 is completed.
Because the material height sensor 1 is installed at the top end of the side face of the material reference baffle 2, in a working state, when the material height sensor 1 cannot detect the flexible lamp strip 9, the through type stepping motor 504 below the bin bottom plate 4 is started, the through type stepping lead screw 505 spirally rises to drive the lead screw connecting plate 501 to rise, the lifting push rod 502 rises along with the lead screw connecting plate 501 to lift the material lifting bottom plate 3, the flexible lamp strip 9 placed on the material lifting bottom plate 3 is also continuously lifted, the flexible lamp strip 9 is close to the material height sensor 1 to trigger the material height sensor 1 to respond, the through type stepping motor 504 stops working immediately, at the moment, the negative pressure manipulator 17 takes away the material at a fixed position, because the material of the flexible lamp strip 9 is soft, the flexible lamp strip 9 is contacted with the paging sheet 6 to generate deformation when the flexible lamp strip 9 is taken away, the flexible lamp strip 9 after deformation is forcibly pulled out of the paging sheet 6 by the negative pressure manipulator 17, the flexible lamp strip 6 is arranged to page the flexible lamp strip 9, and the negative pressure manipulator 17 can only take away one flexible lamp strip 9 at each time. Repeating the above steps to realize continuous feeding of the flexible lamp strip 9.
The negative pressure cavity is connected with external vacuum pumping equipment, the external vacuum pumping equipment pumps air in the negative pressure cavity to create a negative pressure environment, the flexible light strip 9 is placed on the negative pressure conveying device by the negative pressure manipulator 17, when the flexible light strip 9 is placed down by the negative pressure manipulator 17, under the action of gravity and an inclined plane, the flexible light strip 9 is automatically corrected and positioned along the inclined plane of the adjusting plate 26, when the flexible light strip 9 falls on the conveying belt 21, due to the arrangement of the negative pressure strip holes 23 and the through holes 22, the flexible light strip 9 is adsorbed on the conveying belt 21 by negative pressure and conveyed to the next station along with the rotation of the conveying belt 21, the flexible light strip 9 is driven to rotate by the servo motor 28, and the servo motor 28 adopts fuzzy PID combined Kalman filtering adaptive control to improve the anti-interference performance and ensure the stability of the rotation of the conveying belt 21.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Therefore, the present invention is not limited to the above embodiments, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention.
Claims (10)
1. The continuous feeding system of the multi-width sectional type flexible lamp strip is characterized by comprising a continuous feeding device, a negative pressure manipulator and a negative pressure conveying device, wherein the negative pressure manipulator is arranged between the continuous feeding device and the negative pressure conveying device;
the continuous feeding device comprises a bin bottom plate, a material lifting bottom plate is movably connected to the top end face of the bin bottom plate, a lifting driving assembly is arranged below the bin bottom plate and used for driving the material lifting bottom plate to lift, a material reference baffle is fixedly connected to one side of the top end face of the bin bottom plate, a material height sensor is fixedly connected to the edge of the side face of the material reference baffle, a movable bin baffle is arranged above the other side of the top end face of the bin bottom plate, a lifting adjusting assembly is arranged between the movable bin baffle and the bin bottom plate and used for adjusting the height of the movable bin baffle, and the material reference baffle and the top end face of the movable bin baffle are provided with a paging piece;
negative pressure conveyor includes the base, and the top face both sides fixedly connected with curb plate of base, two fixedly connected with roof between the curb plate opposite flank top, and the inside negative pressure chamber of having seted up of roof, the negative pressure bar hole with negative pressure chamber intercommunication is seted up to roof top face, and negative pressure chamber and external evacuation equipment are connected, two be equipped with conveyor belt on the roof between the curb plate, and conveyor belt's top face sets up a plurality of through-holes that are array distribution, two roof top face symmetry fixedly connected with two width adjustment mechanism that parallel, base bottom face one side fixedly connected with servo motor is used for driving conveyor belt and rotates, and servo motor adopts fuzzy PID to combine kalman filter wave adaptive control to improve interference immunity.
2. The continuous feeding system of the multi-width segmented flexible light strip as claimed in claim 1, wherein the lifting driving assembly comprises: fix the linear guide at feed bin bottom plate top face intermediate position, linear guide's bottom fixedly connected with motor mounting panel, and the bottom face fixedly connected with through step motor of motor mounting panel, through step motor is inside to be equipped with the run-through step screw rather than the transmission is connected, and run-through step screw top fixedly connected with lead screw connecting plate, the top face both sides fixedly connected with lifting rod of lead screw connecting plate, and lifting rod top run through the feed bin bottom plate and lift bottom plate fixed connection with the material, the activity joint has concave type slider on linear guide's the lateral surface, and concave type slider side fixedly connected with slider connecting plate, fixed connection between slider connecting plate and the lead screw connecting plate.
3. The continuous feeding system for the multi-width segmented flexible lamp strip according to claim 2, wherein clamping rail grooves are symmetrically formed in the middles of the two side surfaces of the linear guide rail, clamping moving blocks are fixedly connected to the inner walls of the two sides of the concave sliding block at positions corresponding to the clamping rail grooves, and the clamping moving blocks are clamped in the clamping rail grooves and can move.
4. The continuous feeding system of the multi-width segmented flexible light strip as claimed in claim 1, wherein the lifting adjusting assembly comprises: two otic placodes of fixing in the feed bin bottom plate side by side, the inside lift pin that runs through of otic placode, and an otic placode side is equipped with the setting element and is used for the position of fixed lift pin in the otic placode, the top and the activity feed bin baffle fixed connection of lift pin.
5. The continuous feeding system of a multi-width segmented flexible light strip according to claim 4, wherein the positioning member comprises: the positioning holes are multiple and vertically and uniformly arranged on the outer side face of the lifting stop lever, the positioning pins are located on one side face of the lug plate, and one end of each positioning pin penetrates through the lug plate and is inserted into one positioning hole.
6. The continuous feeding system of a multi-width sectional type flexible light strip according to claim 4, wherein a linear sliding bearing is fixedly connected to the bottom end surface of the ear plate, and a stop block is fixedly connected to the bottom end of the lifting stop rod and penetrates through the linear sliding bearing.
7. The continuous feeding system of a multi-width sectional type flexible light belt as claimed in claim 1, wherein a positioning bar is fixedly connected to one side of the top end surface of the bin bottom plate near the edge, and the top end of the positioning bar penetrates through the material lifting bottom plate.
8. The continuous feeding system of a multi-width segmented flexible light strip according to claim 1, wherein a handle is fixedly connected to a middle position of one side surface of the movable bin baffle.
9. The continuous feeding system of the multi-width segmented flexible light strip as claimed in claim 1, wherein the width adjusting mechanism comprises: the adjusting device comprises a fixing base fixed on the top end face of a top plate, wherein two vertical parallel adjusting and positioning holes are formed in the side face of the fixing base, an adjusting plate is arranged on one side face of the fixing base, a transverse strip-shaped hole is formed in a position, corresponding to the adjusting and positioning holes, of one side face of the adjusting plate, the adjusting plate and the fixing base are fixed together through screwing screws implanted into the transverse strip-shaped hole and the adjusting and positioning holes, and inclined planes are arranged on one side faces of the adjusting plate and the fixing base.
10. The continuous feeding system of a multi-width segmented flexible light strip according to claim 1, wherein the transfer function model of the servo motor is:
wherein, C m -coefficient of torque (N · m/a); l is a radical of an alcohol a -armature winding inductance (H); r a -armature winding resistance (Ω); j is a unit of m Total moment of inertia (including the inertia of the rotor and the load) on the motor shaft (kg · m 2 )；K b -back electromotive force coefficient (V.s/rad).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210898702.0A CN115231350A (en) | 2022-07-28 | 2022-07-28 | Continuous feeding system of many width sectional type flexible light area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210898702.0A CN115231350A (en) | 2022-07-28 | 2022-07-28 | Continuous feeding system of many width sectional type flexible light area |
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| CN115231350A true CN115231350A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210898702.0A Pending CN115231350A (en) | 2022-07-28 | 2022-07-28 | Continuous feeding system of many width sectional type flexible light area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117246575A (en) * | 2023-11-20 | 2023-12-19 | 四平宏大液压机械制造有限公司 | Automatic lifting bin for glass packaging line and use method |
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2022
- 2022-07-28 CN CN202210898702.0A patent/CN115231350A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117246575A (en) * | 2023-11-20 | 2023-12-19 | 四平宏大液压机械制造有限公司 | Automatic lifting bin for glass packaging line and use method |
| CN117246575B (en) * | 2023-11-20 | 2024-02-13 | 四平宏大液压机械制造有限公司 | Automatic lifting bin for glass packaging line and use method |
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