CN109130246B - Automatic laying production line for wind power blade root preformed piece and control method - Google Patents
Automatic laying production line for wind power blade root preformed piece and control method Download PDFInfo
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- CN109130246B CN109130246B CN201811259256.9A CN201811259256A CN109130246B CN 109130246 B CN109130246 B CN 109130246B CN 201811259256 A CN201811259256 A CN 201811259256A CN 109130246 B CN109130246 B CN 109130246B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
- B29C70/386—Automated tape laying [ATL]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses an automatic laying production line and a control method for wind power blade root preformed pieces, belongs to the field of cloth laying equipment, and aims to provide the automatic laying production line for the wind power blade root preformed pieces, which can reduce the production time of the wind power blade root preformed pieces and improve the production efficiency, and the technical scheme has the following key points, and comprises the following steps: the cloth spreading structure comprises a forming surface and a material bearing surface, wherein the forming surface is fixedly arranged, and the material bearing surface is provided with a through groove for the forming surface to penetrate out; the material bearing surface is vertical to the plane of the material bearing surface to perform linear reciprocating motion; when the material bearing surface bears the cloth, the highest point of the forming surface does not protrude out of the material bearing surface; when the forming surface forms the cloth, the forming surface penetrates out of the material bearing surface, and the cloth is attached to the forming surface and completely separated from the material bearing surface. The invention is suitable for automatic cloth paving.
Description
Technical Field
The invention relates to cloth paving equipment, in particular to an automatic paving production line of wind power blade root preformed pieces and a control method.
Background
The wind power blade root is formed by a cylinder, so each cloth is formed by a standard rectangle, only the length of each cloth is different, the traditional production mode is that the cut cloth is manually stacked on a semicircular mold one by one according to the length of the cloth, then the stacked semicircular preformed pieces are laid on an adhesive injection mold by a crane, the two semicircular preformed pieces are bonded by glue to form a cylindrical blade root, the production time of the wind power blade root preformed pieces is prolonged by manual operation, and the production efficiency is reduced.
In view of the above technical problems, the designer is based on the practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively making research and innovation in cooperation with the application of the theory, so as to create an automatic laying production line and a control method for wind turbine blade root preformed pieces, and the automatic laying production line and the control method are more practical.
Disclosure of Invention
The invention aims to provide an automatic laying production line for wind turbine blade root preformed pieces, which enables the preformed pieces to be formed in one step and has the advantages of reducing the production time of the preformed pieces and improving the production efficiency.
The technical purpose of the invention is realized by the following technical scheme:
an automatic wind turbine blade root preform laying line comprising:
the cutting station is used for bearing and cutting cloth;
the conveying device is used for conveying the cloth on the cutting station;
the cloth paving structure is used for paving and molding the preformed piece;
the cloth spreading structure comprises a forming surface and a material bearing surface, wherein the forming surface or the material bearing surface is fixedly arranged, and the material bearing surface is provided with a through groove for the forming surface to penetrate out;
the material bearing surface or the forming surface is perpendicular to the plane of the material bearing surface to perform linear reciprocating motion;
when the material bearing surface bears the cloth, the highest point of the forming surface does not protrude out of the material bearing surface;
when the forming surface forms the cloth, the forming surface penetrates out of the material bearing surface, and the cloth is attached to the forming surface and completely separated from the material bearing surface.
Further, the forming surface comprises one or more than one forming strip, and the forming strip is of a strip-shaped structure with a semicircular longitudinal section.
Further, when the number of the forming strips is more than one, the forming strips are connected and arranged in parallel.
Furthermore, a plurality of supporting strips are arranged on the material bearing surface in the through groove area, and each supporting strip is positioned in a space formed by the adjacent forming strips to form a cross structure.
Further, the area of the through groove is less than 2/3 of the area of the material bearing surface.
Further, the material bearing surface is arranged on a supporting structure, and the supporting structure comprises a cross beam and a longitudinal beam which are perpendicular to each other;
the two ends of the cross beam are respectively and fixedly connected with the two ends of the forming strip, one end of the longitudinal beam is fixedly connected with the forming strip, and the other end of the longitudinal beam is fixedly connected with the cross beam.
Furthermore, a supporting beam is arranged between every two adjacent longitudinal beams, the adjacent supporting beams are symmetrically arranged, and the supporting beams, the longitudinal beams and the cross beams form a multi-triangle structure.
Further, the linear reciprocating motion of the material bearing surface perpendicular to the plane where the material bearing surface is located is specifically as follows: the lifting mechanism is arranged on the material bearing surface and drives the material bearing surface to lift, the lifting mechanism is installed on the rack and comprises a lead screw and a screw nut, two ends of the lead screw are respectively connected with the rack in a rotating mode, the screw nut is installed on the material bearing surface, and a power source for driving the lead screw to rotate is installed on the rack.
Furthermore, the material bearing surface is provided with a guide rod in a penetrating way, and two ends of the guide rod are respectively fixedly connected with the rack.
Further, the conveying device comprises a robot and a cloth suction structure connected with the robot;
the cloth suction structure comprises a cloth taking frame and needling suckers located on the cloth taking frame, and the needling suckers are distributed on the cloth taking frame in a rectangular array mode.
Further, the cutting station comprises one or more cutting platforms;
the cutting platform is provided with a belt transmission structure, and the belt transmission structure drives the cloth to move to a cutting area;
the cutting platform is provided with a portal frame, and the portal frame performs linear reciprocating motion along the length direction of the cutting platform;
and a cutting machine is arranged on the portal frame, and the cutting machine carries out linear reciprocating motion along the length direction of the portal frame.
The invention has the following beneficial effects:
the cloth unreels to cutting the station, cuts the station and cuts the cloth, conveyor carries to the top of spreading the cloth structure to the cloth of cutting, then lays the cloth on the material bearing surface layer by layer, after all numbers of piles are all laid and are accomplished, the material bearing surface area cloth descends together, the cloth takes the shaping with the shaping face contact, wear out the material bearing surface as the profile, the cloth laminating just breaks away from the material bearing surface completely in the shaping surface, carry out one shot forming to the multilayer cloth, reduce the production time of preforming piece, the production efficiency is improved.
When the material bearing surface bears the cloth, the highest point of the forming surface does not protrude out of the material bearing surface, so that the interference of the forming surface to the cloth is avoided, the cloth can be flatly paved on the material bearing surface without uplifting, and the cloth can be well tiled. When the forming surface is formed on the cloth, the forming surface penetrates out of the material bearing surface, the cloth is attached to the forming surface and is completely separated from the material bearing surface, the interference of the material bearing surface on the two ends of the cloth is avoided, the cloth can be completely attached to the forming surface, and therefore the cloth can obtain a good forming effect.
The second purpose of the invention is to provide a control method for an automatic laying production line of wind power blade root preformed pieces, which can realize automatic unreeling, cutting, conveying, laying and forming of cloth, and the mode of automatic production and line production, and obviously improve the production efficiency.
A control method for an automatic laying production line of wind turbine blade root preformed pieces comprises the following steps:
1.1 unreeling: the cloth is actively unreeled forwards by the unreeling device, a cloth storage section of the cloth is formed by the distance between one end, far away from the cloth paving structure, of the cutting platform and the unreeling shaft, and a conveying belt of the cutting platform rotates to drive the cloth to move forwards to a cutting area;
1.2 cutting: calculating the size of the graph to be cut, enabling a cutting machine to correspond to the coordinate of the cloth in a cutting area according to the shape of the graph to be cut, enabling the center point of a rectangle externally connected with the graph to be cut to fall on the center line of the cutting area, and cutting the cloth along each cutting line of the graph to be cut;
1.3, taking cloth: controlling the robot to drive the cloth taking frame to enter a cutting area through the calculation of the master control computer, enabling the center point of the cloth taking frame to be overlapped with the center point of a rectangle externally connected with the cut cloth through the action change of the robot, starting all needling suckers covered by the cloth in the cloth taking frame, and grabbing the cloth;
1.4 stacking: controlling the robot to drive the cloth taking frame and the cloth to enter the upper side of the material bearing surface through the calculation of the master control computer, controlling the robot to drive the cloth taking frame to adjust in the corresponding direction according to the requirement of the stacking interval of the adjacent cloth, closing the needling material taking device after reaching the position, and stacking the cloth on the material bearing surface;
1.5 deformation of the tool: when the cloth is completely stacked, the material bearing surface starts to move downwards, the cloth laid on the material bearing surface moves downwards along with the downward movement of the material bearing surface, when the cloth contacts the forming surface, the cloth starts to be formed along the forming surface until the forming surface penetrates out of the material bearing surface, and the cloth is attached to the forming surface and completely separated from the material bearing surface;
1.6 shaping: and adding a pre-setting agent to set the deformed cloth.
Further, in step 1.5, inductive switches are fixedly arranged at two ends of the movement path of the material bearing surface.
The invention has the following beneficial effects:
the control method of the automatic laying production line of the wind power blade root preformed piece provided by the invention can realize automatic unreeling, cutting, conveying, laying and forming of cloth, and the mode of automatic production and line production, and obviously improves the production efficiency.
Drawings
FIG. 1 is a schematic illustration of the positions of parts of an automatic wind blade root preform laying line in example 1;
FIG. 2 is a schematic view showing the positional relationship between the needle-punching suction cup and the cloth taking frame in example 1;
FIG. 3 is a schematic view showing the connection relationship between the parts for embodying the blanket structure in example 1;
fig. 4 is a control flow chart for embodying the automatic laying production line of the wind turbine blade root preform in example 2.
In the figure, 1, a cloth spreading structure; 11. molding a surface; 111. forming a strip; 12. a material bearing surface; 121. a supporting strip; 122. a guide bar; 2. a conveying device; 21. a robot; 22. a cloth suction structure; 221. taking a cloth frame; 222. needling a sucker; 3. a through groove; 4. a lifting mechanism; 41. a lead screw; 42. a screw nut; 5. a frame; 51. a power source; 6. a support structure; 61. a cross beam; 62. a longitudinal beam; 63. a support beam; 7. mounting a platform; 8. a cutting platform; 81. cutting an area; 82. a gantry; 821. provided is a cutting machine.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1: an automatic laying production line for wind turbine blade root preformed parts is shown in figure 1 and comprises a cutting station, a cutting station and a laying head, wherein the cutting station is used for bearing and cutting cloth; the conveying device 2 is used for conveying the cloth on the cutting station; the cloth spreading structure 1 is used for laying and forming a pre-forming piece.
As shown in fig. 1, the cutting station includes one or more than one cutting platform 8, and there are two cutting platforms 8 in this embodiment, and the cutting platform 8 is installed with a belt transmission structure, and the belt transmission structure drives the cloth to move to the cutting area 81. The cutting platform 8 is provided with a portal frame 82, and the portal frame 82 performs linear reciprocating motion along the length direction of the cutting platform 8. Install guillootine 821 on the portal frame 82, guillootine 821 carries out straight reciprocating motion along the length direction of portal frame 82, and straight reciprocating motion's structure can be realized through lead screw structure, and this is prior art, and no longer repeated here.
As shown in fig. 1, the conveying device 2 includes a robot 21 and a cloth suction structure 22 connected to the robot 21, the cloth suction structure 22 includes a cloth taking frame 221 and needle suction cups 222 (see fig. 2) located on the cloth taking frame 221, and the needle suction cups 222 are distributed on the cloth taking frame 221 in a rectangular array. The conveyor 2 conveys the cut cloth from the cutting area 81 to above the cloth spreading structure 1.
As shown in fig. 3, the cloth spreading structure 1 includes a forming surface 11 and a material supporting surface 12, the forming surface 11 or the material supporting surface 12 is fixedly disposed, and the material supporting surface 12 is provided with a through groove 3 for the forming surface 11 to penetrate through. The material bearing surface 12 or the forming surface 11 is in linear reciprocating motion perpendicular to the plane of the material bearing surface 12.
As shown in fig. 3, in the first case, the forming surface 11 is fixedly arranged, and the material bearing surface 12 makes a linear reciprocating motion perpendicular to the plane of the material bearing surface; in the second situation, the material bearing surface 12 is fixedly arranged, and the forming surface 11 is perpendicular to the plane of the material bearing surface 12 and performs linear reciprocating motion; the common point of the two is that the material bearing surface 12 and the forming surface 11 can move mutually, wherein, when the material bearing surface 12 bears cloth, the highest point of the forming surface 11 does not protrude out of the material bearing surface 12; when the forming surface 11 forms the fabric, the forming surface 11 penetrates through the material bearing surface 12, and the fabric is attached to the forming surface 11 and completely separated from the material bearing surface 12. When the material bearing surface 12 bears the cloth, the highest point of the forming surface 11 does not protrude out of the material bearing surface 12, so that the interference of the forming surface 11 on the cloth is avoided, the cloth can be flatly paved on the material bearing surface 12 without being raised, and the cloth can be well tiled. When the forming surface 11 forms the fabric, the forming surface 11 penetrates out of the material bearing surface 12, the fabric is attached to the forming surface 11 and completely separated from the material bearing surface 12, interference of the material bearing surface 12 on two ends of the fabric is avoided, the fabric can be completely attached to the forming surface 11, and therefore the fabric can obtain a good forming effect. The difference between the two is that in the first case the total height required during molding is the height of the molding surface 11, while in the second case the total height required during molding is twice the height of the molding surface 11. In the following part of the description, the automatic laying production line of the wind turbine blade root preform is described by taking the first case as an example.
As shown in fig. 3, the linear reciprocating motion of the material bearing surface 12 perpendicular to the plane of the material bearing surface is specifically: the left end and the right end of the material bearing surface 12 are respectively provided with a lifting mechanism 4 for driving the material bearing surface 12 to lift, the lifting mechanism 4 is installed on the rack 5, the lifting mechanism 4 comprises a screw rod 41 and a nut 42, the two ends of the screw rod 41 are respectively rotatably connected with the rack 5, the nut 42 is installed on the material bearing surface 12, the rack 5 is provided with a power source 51 for driving the screw rod 41 to rotate, the power source 51 in the embodiment can adopt a servo motor, and the movement speed and the displacement of the material bearing surface 12 can be conveniently controlled; or a common motor can be adopted, a travel switch is arranged on the frame 5, and the travel switch is positioned at two ends of the motion path of the material bearing surface 12, so that the position of the material bearing surface 12 can be controlled.
As shown in fig. 3, in order to ensure that the vertical movement path of the material supporting surface 12 is more accurate, guide rods 122 are inserted into the left and right ends of the material supporting surface 12, the axial direction of the guide rods 122 is parallel to the axial direction of the screw 41, and the two ends of the guide rods 122 are respectively fixedly connected to the frame 5.
As shown in fig. 3, the forming surface 11 includes one or more than one forming strip 111, the forming strip 111 is a strip structure with a semicircular longitudinal section, and when there is more than one forming strip 111, adjacent forming strips 111 are arranged in parallel. The material bearing surface 12 is provided with a plurality of supporting strips 121 in the area of the through groove 3, and each supporting strip 121 is positioned in the space formed by the adjacent forming strips 111 to form a cross structure. The forming strips 111 are used for supporting and forming the cloth in the cloth forming process, the supporting strips 121 are used for supporting the cloth in the cloth material bearing process, so that the cloth material can obtain a good flat laying effect, the cross structure formed by the supporting strips 121 and the forming strips 111 can not only not influence the relative motion of the material bearing surface 12 and the forming surface 11, but also can form the soft cloth material at one time, and the forming device has the advantages of reducing the production time of wind power blade root preformed pieces and improving the production efficiency. When the material bearing surface 12 bears the cloth, the highest point of the forming surface 11 does not protrude out of the material bearing surface 12, preferably, when the material bearing surface 12 bears the cloth, the highest point of the forming surface 11 is flush with the material bearing sheet, and because the cloth is formed by a standard rectangle, the length of each piece of cloth is different, the middle of the cloth is thickest when the cloth is stacked, and the force borne by the central position of the forming surface 11 is the largest. In the above preferred mode, the forming strips 111 and the supporting strips 121 have a synergistic effect, and in the material bearing process of the material bearing surface 12, the supporting strips 121 and the forming strips 111 can support the cloth together, so that the load at the central position of the material bearing surface 12 is increased, the material bearing surface 12 is not easy to collapse towards the central position, the cloth can obtain a good laying effect, and the service life of the material bearing surface 12 is prolonged.
As shown in fig. 3, the area of the through grooves 3 is less than 2/3 of the area of the material receiving surface 12, the load which can be borne by the material receiving surface 12 is controlled by controlling the area ratio of the through grooves 3 to the material receiving surface 12, and the area ratio of the through grooves 3 to the material receiving surface 12 can be selected according to the actual number of layers and the total weight of the cloth when the area of the through grooves 3 is kept to be less than 2/3 of the area of the material receiving surface 12, so as to ensure that the cost is reduced as much as possible under the condition of meeting the use requirement.
As shown in fig. 3, the loading surface 12 is mounted on a support structure 6, which support structure 6 comprises a cross beam 61 and a longitudinal beam 62 perpendicular to each other. The two ends of the cross beam 61 are respectively fixedly connected with the two ends of the forming strip 111, one end of the longitudinal beam 62 is fixedly connected with the forming strip 111, and the other end of the longitudinal beam 62 is fixedly connected with the cross beam 61, specifically, at least one longitudinal beam 62 is arranged, when one longitudinal beam 62 is arranged, the longitudinal beam 62 is located at the central position of the cross beam 61, and when two or more longitudinal beams 62 are arranged, the two outermost longitudinal beams 62 are respectively located at the positions of 1/4 and 3/4 of the cross beam 61. The cross beam 61 supports two ends of the forming strip 111, the longitudinal beam 62 effectively supports different positions of the forming strip 111, and the maximum load borne by the forming strip 111 is increased, so that the forming strip 111 is not easy to deform, and the service life of the forming strip is prolonged. The supporting beams 63 are arranged between the adjacent longitudinal beams 62, the adjacent supporting beams 63 are symmetrically arranged, the supporting beams 63, the longitudinal beams 62 and the cross beams 61 form a multi-triangular structure, the supporting beams 63 effectively support the longitudinal beams 62, and the supporting beams 63, the longitudinal beams 62 and the cross beams 61 form the multi-triangular structure, so that the structure of the supporting structure 6 is stable, and the reinforcing effect of the supporting structure 6 on the forming strips 111 is further improved.
As shown in fig. 3, the support structure 6 is detachably connected to the side of the mounting platform 7 facing the loading surface 12. Here, the support structure 6 may be permanently fixed to the mounting platform 7, e.g. integrally formed on the mounting platform 7, or may be fixed to the mounting platform 7 by means of a detachable fixing, e.g. by attachment or by means of screws or the like to the mounting platform 7. If the detachable fixing mode is adopted, after the flat plate type deformation tool is used for a long time, the forming strip 111 is abraded, the possibility that the cloth is damaged due to burrs generated by corrosion of the forming strip 111 is reduced through later maintenance or a mode of replacing the forming strip 111, and therefore the forming quality of the flat plate type deformation tool is further guaranteed.
As shown in fig. 3, the mounting platform 7 is removably attached to the frame 5. Here, the mounting platform 7 may be permanently fixed to the frame 5, e.g. integrally formed on the frame 5, or may be fixed to the frame 5 by means of a detachable fixing, e.g. by attachment to the frame 5 or by means of a screw or the like.
As shown in fig. 1, the cloth is unreeled to the cutting station, the cutting station cuts the cloth, the conveying device 2 conveys the cut cloth to the upper side of the cloth paving structure 1, then the cloth is paved on the material bearing surface 12 layer by layer, after all layers are paved, the material bearing surface 12 drives the cloth to descend together, the cloth contacts with the molding surface 11 to be molded, the material bearing surface 12 penetrates out of the molding surface 11, the cloth is attached to the molding surface 11 and completely separated from the material bearing surface 12, the multi-layer cloth is molded at one time, the production time of the preformed piece is reduced, and the production efficiency is improved.
Example 2: a control method for an automatic laying production line of wind turbine blade root preforms, as shown in fig. 1 to 3, comprises the following steps:
1.1 unreeling: the cloth is actively and forwardly unreeled by the unreeling device, a cloth storage section of the cloth is formed by the distance between one end, far away from the cloth paving structure 1, of the cutting platform 8 and the unreeling shaft, and the conveying belt of the cutting platform 8 rotates to drive the cloth to move forwards to the cutting area 81;
1.2, cutting: by calculating the size of the graph to be cut, the cutting machine 821 corresponds to the coordinate of the cloth in the cutting area 81 according to the shape of the graph to be cut, so that the central point of the circumscribed rectangle of the graph to be cut falls on the central line of the cutting area 81, and the cloth is cut along each cutting line of the graph to be cut;
1.3 taking cloth: through the calculation of the main control computer, the robot 21 is controlled to drive the cloth taking frame 221 to enter the cutting area 81, the central point of the cloth taking frame 221 is overlapped with the central point of the external rectangle of the cut cloth through the action change of the robot 21, all the needling suckers 222 covered by the cloth in the cloth taking frame 221 are started, and the cloth is grabbed;
1.4 stacking: through the calculation of a main control computer, the robot 21 is controlled to drive the cloth taking frame 221 and the cloth to enter the upper part of the material bearing surface 12, the robot 21 is controlled to drive the cloth taking frame 221 to adjust in the corresponding direction according to the requirement of the stacking interval of the adjacent cloth, the needling material taking device is closed after the position is reached, and the cloth is stacked on the material bearing surface 12;
1.5 deformation of the tool: when the cloth is completely stacked, the material bearing surface 12 starts to move downwards, the cloth laid on the material bearing surface 12 moves downwards along with the downward movement of the material bearing surface 12, when the cloth contacts the forming surface 11, the cloth starts to be formed along the forming surface 11 until the forming surface 11 penetrates out of the material bearing surface 12, and the cloth is attached to the forming surface 11 and completely separated from the material bearing surface 12;
1.6 shaping: and adding a pre-setting agent to set the deformed cloth.
In step 1.5, inductive switches are fixedly arranged at two ends of a motion path of the material bearing surface 12, the inductive switches can adopt travel switches or infrared induction devices, the position of the material bearing surface 12 can be accurately controlled, and when the material bearing surface 12 bears cloth, the highest point of the forming surface 11 does not protrude out of the material bearing surface 12; when the forming surface 11 forms the fabric, the forming surface 11 penetrates through the material bearing surface 12, and the fabric is attached to the forming surface 11 and completely separated from the material bearing surface 12.
The control method of the automatic laying production line of the wind power blade root preformed piece provided by the invention can realize automatic unreeling, cutting, conveying, laying and forming of cloth, and the mode of automatic production and line production, and obviously improves the production efficiency.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (8)
1. An automatic production line of laying of wind-powered electricity generation blade root preforming piece which characterized in that includes:
the cutting station is used for bearing and cutting cloth;
the conveying device (2) is used for conveying the cloth on the cutting station;
a cloth-laying structure (1) for laying and shaping a pre-formed piece;
the cloth spreading structure (1) comprises a forming surface (11) and a material bearing surface (12), wherein the forming surface (11) or the material bearing surface (12) is fixedly arranged, and the material bearing surface (12) is provided with a through groove (3) for the forming surface (11) to penetrate out;
the material bearing surface (12) or the forming surface (11) is perpendicular to the plane of the material bearing surface (12) to perform linear reciprocating motion;
when the material bearing surface (12) bears cloth, the highest point of the forming surface (11) does not protrude out of the material bearing surface (12);
when the forming surface (11) forms the cloth, the forming surface (11) penetrates through the material bearing surface (12), and the cloth is attached to the forming surface (11) and completely separated from the material bearing surface (12);
the conveying device (2) comprises a robot (21) and a cloth suction structure (22) connected with the robot (21);
the cloth suction structure (22) comprises a cloth taking frame (221) and needling suckers (222) positioned on the cloth taking frame (221), wherein the needling suckers (222) are distributed on the cloth taking frame (221) in a rectangular array;
the cutting station comprises one or more cutting platforms (8);
the cutting platform (8) is provided with a belt transmission structure, and the belt transmission structure drives the cloth to move to a cutting area (81);
the cutting platform (8) is provided with a portal frame (82), and the portal frame (82) linearly reciprocates along the length direction of the cutting platform (8);
and a cutting machine (821) is installed on the portal frame (82), and the cutting machine (821) carries out linear reciprocating motion along the length direction of the portal frame (82).
2. Wind blade root preform automatic laying line according to claim 1, characterized in that the profiled surface (11) comprises one or more profiled strips (111), the profiled strips (111) being strip-shaped structures with a semi-circular longitudinal section.
3. Wind blade root preform automatic laying line according to claim 2, characterized in that when there is more than one of said profiled strips (111), adjacent profiled strips (111) are arranged in parallel.
4. The automatic wind blade root preform laying production line according to claim 3, wherein the material loading surface (12) is provided with a plurality of supporting bars (121) in the area of the through groove (3), and each supporting bar (121) is positioned in a space formed by adjacent forming bars (111) to form a crossed structure.
5. Wind blade root preform automatic laying line according to claim 2, characterized in that said loading level (12) is mounted on a support structure (6), said support structure (6) comprising a transverse beam (61) and a longitudinal beam (62) perpendicular to each other;
the two ends of the cross beam (61) are fixedly connected with the two ends of the forming strip (111) respectively, one end of the longitudinal beam (62) is fixedly connected with the forming strip (111), and the other end of the longitudinal beam is fixedly connected with the cross beam (61).
6. Wind blade root preform automatic laying line according to claim 5, characterized in that between adjacent longitudinal beams (62) there are support beams (63), adjacent support beams (63) being symmetrically arranged, the support beams (63), longitudinal beams (62) and cross beams (61) forming a multi-triangular structure.
7. A control method for an automatic wind blade root preform laying line according to claim 1, comprising the steps of:
1.1 unreeling: the cloth is actively and forwardly unreeled by the unreeling device, a cloth storage section of the cloth is formed by the distance between one end, far away from the cloth paving structure, of the cutting platform (8) and the unreeling shaft, and a conveying belt of the cutting platform (8) rotates to drive the cloth to move forwards to a cutting area (81);
1.2 cutting: through the size calculation of the graph to be cut, the cutting machine (821) corresponds to the coordinate of the cloth in the cutting area (81) according to the shape of the graph to be cut, so that the central point of the circumscribed rectangle of the graph to be cut is located on the central line of the cutting area (81), and the cloth is cut along each cutting line of the graph to be cut;
1.3 taking cloth: through the calculation of a main control computer, a robot (21) is controlled to drive a cloth taking frame (221) to enter a cutting area (81), the central point of the cloth taking frame (221) is overlapped with the central point of a cut external rectangle of cloth through the action change of the robot (21), all needling suckers (222) covered by the cloth in the cloth taking frame (221) are started, and the cloth is grabbed;
1.4 stacking: through the calculation of a main control computer, controlling the robot (21) to drive the cloth taking frame (221) and the cloth to enter the upper part of the material bearing surface (12), controlling the robot (21) to drive the cloth taking frame (221) to adjust in the corresponding direction according to the requirement of the stacking interval of the adjacent cloth, closing the needling material taking device after reaching the position, and stacking the cloth on the material bearing surface (12);
1.5 deformation of the tool: when the cloth is completely stacked, the material bearing surface (12) starts to move downwards, the cloth laid on the material bearing surface (12) moves downwards along with the downward movement of the material bearing surface (12), when the cloth contacts the forming surface (11), the cloth starts to be formed along the forming surface (11) until the forming surface (11) penetrates out of the material bearing surface (12), and the cloth is attached to the forming surface (11) and completely separated from the material bearing surface (12);
1.6 shaping: and adding a pre-setting agent to set the deformed cloth.
8. The control method of an automatic laying line of wind blade root preforms according to claim 7, characterized in that in step 1.5, inductive switches are fixedly arranged at both ends of the movement path of the loading surface (12).
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| CN109130246A (en) | 2019-01-04 |
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