Waterproofing membrane coating unit of adjustable waterproofing membrane size
Technical Field
The invention relates to the field of coating devices, in particular to a waterproof roll coating device capable of adjusting the size of a waterproof roll.
Background
The waterproof roll is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product which can resist external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a first barrier for waterproofing of the whole engineering, plays a vital role in the whole engineering, and is divided into an asphalt waterproof roll, a high polymer modified asphalt waterproof roll and a synthetic polymer waterproof roll according to different main component materials; the coiled materials are divided into coiled materials without a matrix, coiled materials with a paper matrix, coiled materials with a glass fiber matrix, coiled materials with a glass cloth matrix and coiled materials with a polyethylene matrix according to different matrixes.
One of the materials that waterproofing membrane made the building construction indispensable, the size of waterproofing membrane can not be adjusted to present waterproofing membrane coating unit, so produce the waterproofing membrane of different sizes and need change coating unit, manufacturing cost is high, perhaps change the coating roller, and the coating roller is generally extremely heavy, changes the coating roller, needs a long time, still needs professional to debug, and is extremely inconvenient, influences production efficiency, therefore proposes the waterproofing membrane coating unit of adjustable waterproofing membrane size.
Disclosure of Invention
The invention aims to provide a waterproof roll coating device capable of adjusting the size of a waterproof roll so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the waterproof coiled material coating device capable of adjusting the size of the waterproof coiled material comprises a case, wherein one side inside the case is fixedly connected with three bearings, one side of one bearing is fixedly connected with a feeding shaft, one side of one bearing is fixedly connected with a correcting shaft, one side of the feeding shaft and one side of the correcting shaft are both sleeved with regulating wheels, one side of each regulating wheel is fixedly connected with a fixing frame, one side of each fixing frame is fixedly connected with a connecting rod, one side of each connecting rod is fixedly connected with a first hydraulic tank, the other side of the bearing is fixedly connected with a flat laying shaft, one side of the case is fixedly connected with a coating lower roll frame, the inside of the coating lower roll frame is movably connected with a serrated plate, one end of the serrated plate is fixedly connected with a coating upper roll frame, one side of the serrated plate is meshed with a gear, and one side of the gear is fixedly connected with, the novel coating machine is characterized in that a limiting clamp is arranged on one side, close to the rotating rod, of the machine case, a limiting rod is inserted into the top of the coating upper roller frame in a splicing mode, an upper roller is connected to the inside of the coating upper roller frame in a rotating mode, a lower roller is connected to the inside of the coating lower roller frame in a rotating mode, a coating box is fixedly connected to one side, close to the upper roller, of the machine case, a size strip is arranged on one side of the coating box, an adjusting rod is movably connected to the middle of the size strip, a partition plate is fixedly connected to one side of.
As a further scheme of the invention: the utility model discloses a protection film material axle, including quick-witted case, protection film material axle, protection film axle, protection film.
As a still further scheme of the invention: the middle part of machine case has been seted up the spout, the inside swing joint of spout has the pressfitting roller, one side of pressfitting roller is rotated and is connected with the lifting frame, the bottom fixedly connected with second hydraulic tank of lifting frame, the pressfitting roller rotates the inside of connecting at the lifting frame, and second hydraulic tank fixed connection is in the bottom of lifting frame, and staff's control second hydraulic tank is flexible, drives the lifting frame and risees or reduce, and the pressfitting roller can be followed spout up-and-down motion, and the both sides of pressfitting roller all are provided with lifting frame and second hydraulic tank, keep the level when making the upper and lower spacing of pressfitting roller.
As a still further scheme of the invention: the top fixedly connected with fan that the machine case is close to the pressfitting roller, the inside joint of machine case has the dump bin, starts the fan, and fan work forms wind, makes the material child of pasting the protection film receive the quick cooling of blowing when the fan position, and the protection film can prevent again that the coating from being blown the flower simultaneously, and the dump bin can connect the defective material that the scraper was scraped greatly, and when staff cleared up the machine platform, only need with the dump bin clearance just can, alleviateed staff's work load.
As a still further scheme of the invention: threaded hole is seted up to one side of quick-witted case, the inside threaded connection of screw hole has the regulating spindle, one side fixedly connected with scraper of regulating spindle, the screw hole can play spacing effect, provides holding power and equilibrium for the scraper simultaneously, and the staff rotates the regulating spindle, makes the regulating spindle can be at threaded hole front and back translation, drives the scraper simultaneously and stretches out and draws back at the quick-witted incasement to reach the purpose of adjusting the scraper position, make the scraper can clear up the defective material at any size material child edge.
As a still further scheme of the invention: one side fixedly connected with plummer of quick-witted case, the top fixedly connected with motor case of plummer, the inside of motor case is provided with the motor, and the plummer provides the holding power for the motor case, makes the vibrations that the motor produced at the during operation, can not lead to motor case offset, and the motor case is fixed, the protection motor.
As a still further scheme of the invention: the output joint of motor has the receipts material axle, the one end fixedly connected with fixture block of receipts material axle, receives the finished product coiled material of material axle arrangement winding, stimulates the coil stock child during rotation simultaneously, for the anterior segment of device provides power, through the setting of fixture block, makes the output of receipts material axle joint at the motor, rotates along with the motor is synchronous.
As a still further scheme of the invention: the other end threaded connection of receipts material axle has the fixed axle, the one end fixedly connected with stopper of fixed axle, and the stopper is connected to the fixed axle, makes the stopper rotate along with receiving the material axle is synchronous, makes things convenient for the staff to open simultaneously and receives the material axle, takes the coiled material of putting in order.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, through the matching arrangement of a machine case, a bearing, a feeding shaft, a correcting shaft, an adjusting wheel, a fixing frame, a connecting rod, a first hydraulic tank, a spreading shaft, a lower coating roller frame, a saw-toothed plate, an upper coating roller frame, a gear, a rotating rod, a limiting clamp, a limiting rod, an upper roller, a lower roller, a coating box, a size strip, an adjusting rod, a clapboard and a discharger, a worker pushes the connecting rod through the extension and retraction of the first hydraulic tank to enable the connecting rod to simultaneously push the fixing frame fixedly connected with the adjusting wheel on the feeding shaft and the correcting shaft, the fixing frame pushes and pulls the adjusting wheel to enable the adjusting wheel to isolate the distance required by processing the width waterproof coiled material on the feeding shaft and the correcting shaft, the coiled material is spread by the worker, the position of a material tire is corrected through the correcting shaft after the feeding shaft, the material tire is completely spread through the spreading shaft and enters between the upper roller and, the coating in the coating box is uniformly coated on the surface of an upper roller through a discharger, when a material tire passes between the upper roller and a lower roller, the upper roller is driven to rotate through friction, the coating is uniformly coated on the surface of the material tire, when the coating thickness is required, a worker can accelerate or decelerate the discharging speed of the coating box through adjusting the discharger, when the coating width is required, the worker can drive a partition plate to move left and right through an adjusting rod on the coating box, the size of a discharge port of the discharger is controlled and adjusted, the coating width is enabled, when the material thickness is changed, the worker can rotate a rotating rod to drive a gear to rotate, the gear can enable a meshed serrated plate to move up and down when rotating, one side of the serrated plate is inserted into the coating lower roller frame, one side of the serrated plate is fixedly connected with the bottom of the coating upper roller frame, the coating upper roller frame drives the upper roller to move, the coating upper roller frame, the coating lower roller, The quantity of serration plate, gear and bull stick is two, sets up in the both sides of going up roller and lower roll, guarantees to adjust the back and goes up and keep parallel between roller and the lower roll, and such setting makes the waterproofing membrane of sending out of arbitrary size all can carry out the coating through adjusting device, has reduced manufacturing cost, has saved the time of changing roller and lower roll, has improved work efficiency.
2. According to the invention, through the matching arrangement of the protective film material shaft, the fixed block, the bolt, the chute, the press roller, the lifting frame and the second hydraulic tank, after coating, the coating which is just coated is easy to scratch or uneven, after coating, the material tire passes through the protective film material shaft, one side of the coated side is adhered with a protective film, the fixed block is fixed in the case through the bolt, the displacement of the protective film material shaft during rotation is prevented, the protective film is prevented from deviating, meanwhile, when a worker takes off the fixed block, the protective film material shaft can be removed, the worker can conveniently replace the material added with the protective film, then the coating on the material tire is rolled through the press roller by the press roller through the protective film, the surface of the press roller is completely flat, in the rolling process, the thickness of the coating is controlled again, redundant coating can be extruded out of the edge, according to the difference of the material tire material, or the specifications required by processing are different, and the staff can control the second hydraulic tank to enable the lifting frame to lift the upper part of the pressing roller and adjust the space between the pressing rollers, so that the pressing roller can be suitable for the production and processing of the waterproof coiled materials with various specifications and materials.
3. In the invention, through the matching arrangement of the fan, the waste material box, the threaded hole, the adjusting shaft, the scraper, the bearing platform, the motor box, the material receiving shaft, the clamping block and the fixed shaft, after the pressing of the pressing roller, the edge position of the waterproof coiled material is extruded with coating residues, the fan is started, the fan works to form air, when the material tire adhered with the protective film passes through the position of the fan, the material tire is quickly cooled by the air blowing, meanwhile, the protective film can prevent the coating from being blown, the threaded hole can play a role in limiting, simultaneously, the support force and the balance are provided for the scraper, a worker rotates the adjusting shaft, the adjusting shaft can translate back and forth in the threaded hole, simultaneously, the scraper is driven to extend and retract in the machine box, the purpose of adjusting the position of the scraper is achieved, the scraper can clean the residues on the edge of the material tire with any size, the waste material box contains the residues scraped by, only need with the dump bin clearance just can, alleviateed staff's work load, receive the arrangement of material axle and twine and receive off-the-shelf coiled material, stimulate the coil stock child when rotating simultaneously, for the anterior segment of device provides power, through the setting of fixture block, make the output of receiving the material axle joint at the motor, along with the synchronous rotation of motor, the stopper is connected to the fixed axle, makes the stopper rotate along with receiving the material axle is synchronous, makes things convenient for the staff to open simultaneously and receives the material axle, takes the coiled material of arranging in order.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B in the present invention;
FIG. 4 is a schematic view of the structure of the gear of the present invention;
FIG. 5 is a schematic view showing the construction of a paint tank according to the present invention;
fig. 6 is a schematic structural view of the material receiving shaft of the present invention.
In the figure: 1. a chassis; 2. a bearing; 3. a feed shaft; 4. a correction axis; 5. an adjustment wheel; 6. a fixed mount; 7. a connecting rod; 8. a first hydraulic tank; 9. a lay-flat shaft; 10. coating a lower roller frame; 11. a serrated plate; 12. coating an upper roller frame; 13. a gear; 14. a rotating rod; 15. a limiting card; 16. a limiting rod; 17. upper roll; 18. a lower roll; 19. a paint tank; 20. a size bar; 21. adjusting a rod; 22. a limiting block; 23. a partition plate; 24. a discharging device; 25. protecting the film material shaft; 26. a fixed block; 27. a bolt; 28. a chute; 29. a press-fit roller; 30. a lifting frame; 31. a second hydraulic tank; 32. a fan; 33. a waste bin; 34. a threaded hole; 35. an adjustment shaft; 36. a scraper; 37. a bearing table; 38. a motor case; 39. a material receiving shaft; 40. a clamping block; 41. and fixing the shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in the embodiment of the present invention, a waterproof roll coating apparatus capable of adjusting the size of a waterproof roll includes a chassis 1, one side of the interior of the chassis 1 is fixedly connected with three bearings 2, one side of one bearing 2 is fixedly connected with a feeding shaft 3, one side of one bearing 2 is fixedly connected with a correcting shaft 4, one side of the feeding shaft 3 and the correcting shaft 4 are both sleeved with an adjusting wheel 5, one side of the adjusting wheel 5 is fixedly connected with a fixing frame 6, one side of the fixing frame 6 is fixedly connected with a connecting rod 7, one side of the connecting rod 7 is fixedly connected with a first hydraulic tank 8, one side of the other bearing 2 is fixedly connected with a flat laying shaft 9, one side of the chassis 1 is fixedly connected with a lower coating roll frame 10, the interior of the lower coating roll frame 10 is movably connected with a serrated plate 11, one end of the serrated plate 11 is fixedly connected with an upper coating roll frame 12, a rotating rod 14 is fixedly connected to one side of a gear 13, a limit clamp 15 is arranged on one side of the case 1 close to the rotating rod 14, a limit rod 16 is inserted into the top of the coating upper roller frame 12, an upper roller 17 is rotatably connected to the inside of the coating upper roller frame 12, a lower roller 18 is rotatably connected to the inside of the coating lower roller frame 10, a coating box 19 is fixedly connected to one side of the case 1 close to the upper roller 17, a size strip 20 is arranged on one side of the coating box 19, an adjusting rod 21 is movably connected to the middle of the size strip 20, a partition plate 23 is fixedly connected to one side of the adjusting rod 21, a discharger 24 is fixedly connected to the bottom of the coating box 19, and the coating machine comprises a case 1, a bearing 2, a feeding shaft 3, a correcting shaft 4, an adjusting wheel 5, a fixing frame 6, a connecting rod 7, a first hydraulic tank 8, a tiling shaft 9, a coating lower roller frame 10, a sawtooth, The upper roller 17, the lower roller 18, the coating box 19, the size strip 20, the adjusting rod 21, the partition plate 23 and the discharger 24 are arranged in a matched mode, a worker pushes the connecting rod 7 through the expansion and contraction of the first hydraulic box 8 to enable the connecting rod 7 to simultaneously push the fixing frame 6 fixedly connected with the adjusting wheel 5 on the feeding shaft 3 and the correcting shaft 4, the fixing frame 6 pushes and pulls the adjusting wheel 5 to enable the adjusting wheel 5 to separate the distance required by the width waterproof coiled material to be processed on the feeding shaft 3 and the correcting shaft 4, the worker lays the coiled material, the position of the material tyre is corrected through the correcting shaft 4 after the coiled material passes through the feeding shaft 3, the material tyre is completely paved and unfolded through the paving shaft 9 and enters between the upper roller 17 and the lower roller 18, the coating in the coating box 19 is evenly smeared on the surface of the upper roller 17 through the discharger 24, and the upper roller 17 is driven to rotate through friction when the material tyre passes through the upper, coating the coating on the surface of the material tire evenly, if the coating thickness is required, the worker can accelerate or decelerate the discharging speed of the coating box 19 by adjusting the discharging device 24, if the coating width is required, the worker can drive the clapboard 23 to move left and right by the adjusting rod 21 on the coating box 19, the size of the discharging port of the discharging device 24 is controlled and adjusted, the width of the coating is enabled, if the thickness of the material is changed, the worker can rotate the rotating rod 14 to drive the gear 13 to rotate, the gear 13 can drive the engaged serrated plate 11 to move up and down when rotating, one side of the serrated plate 11 is inserted in the coating lower roller frame 10, one side of the serrated plate is fixedly connected with the bottom of the coating upper roller frame 12, the coating upper roller frame 12 can drive the upper roller 17 to move, the coating lower roller frame 10, the serrated plate 11, the gear 13 and the rotating rod 14 are two in number and are arranged on two sides of the upper roller 17 and the lower roller 18, the upper roller 17 and the lower roller 18 are kept parallel after adjustment, and due to the arrangement, the waterproof coiled material with any size can be coated through the adjusting equipment, so that the production cost is reduced, the time for replacing the upper roller 17 and the lower roller 18 is saved, and the working efficiency is improved.
Wherein, one side of the case 1 close to the upper roller 17 is rotatably connected with a protective film material shaft 25, one side of the protective film material shaft 25 is in threaded connection with a fixed block 26, and the inner part of the fixed block 26 is in threaded connection with a bolt 27; the protective film material shaft 25 is provided with a protective film, so that when a coated tire passes through the protective film material shaft 25, one side of the coated tire is adhered with the protective film to protect the coating from being scratched and prevent oxidation and the like, the fixed block 26 is fixed in the case 1 through the bolt 27 to prevent the protective film material shaft 25 from displacing when rotating to cause the protective film to deflect, meanwhile, when a worker takes off the fixed block 26, the protective film material shaft 25 can be removed to facilitate the worker to replace materials added with the protective film, the middle part of the case 1 is provided with a chute 28, the interior of the chute 28 is movably connected with a press roller 29, one side of the press roller 29 is rotatably connected with a lifting frame 30, and the bottom of the lifting frame 30 is fixedly connected with a second hydraulic tank 31; the press-fit roller 29 is rotatably connected inside the lifting frame 30, the second hydraulic tank 31 is fixedly connected to the bottom of the lifting frame 30, a worker controls the second hydraulic tank 31 to stretch and retract to drive the lifting frame 30 to rise or fall, the press-fit roller 29 can move up and down along the sliding groove 28, the lifting frame 30 and the second hydraulic tank 31 are arranged on two sides of the press-fit roller 29, the press-fit roller 29 is kept horizontal when the distance between the press-fit roller 29 and the press-fit roller is adjusted up and down, the fan 32 is fixedly connected to the top of the case 1 close to the press-fit roller 29, and the waste box 33 is clamped; the fan 32 blows cold air, so that the tire stuck with the protective film is quickly cooled by wind blowing when passing through the position of the fan, the protective film can prevent coating from being blown with flowers, the waste material box 33 can contain residual materials scraped by the scraper 36, when a worker cleans the machine table, the worker only needs to clean the waste material box 33, the workload of the worker is reduced, one side of the machine case 1 is provided with a threaded hole 34, the inner thread of the threaded hole 34 is connected with an adjusting shaft 35, and one side of the adjusting shaft 35 is fixedly connected with the scraper 36; the threaded hole 34 can play a limiting role, meanwhile, a supporting force and balance are provided for the scraper 36, a worker rotates the adjusting shaft 35 to enable the adjusting shaft 35 to translate back and forth in the threaded hole 34 and simultaneously drive the scraper 36 to stretch out and draw back in the case 1 so as to achieve the purpose of adjusting the position of the scraper 36, the scraper 36 can clean the residual materials on the edges of the material tires of any size, a bearing table 37 is fixedly connected to one side of the case 1, a motor case 38 is fixedly connected to the top of the bearing table 37, and a motor is arranged inside the motor case 38; the bearing table 37 provides a supporting force for the motor box 38, so that the motor box 38 cannot deviate in position due to vibration generated when the motor works, the motor box 38 is fixed to protect the motor, the output end of the motor is clamped with the material receiving shaft 39, and one end of the material receiving shaft 39 is fixedly connected with the clamping block 40; receive material axle 39 arrangement and twine the finished product coiled material, pulling coil stock child when rotating simultaneously provides power for the anterior segment of device, through the setting of fixture block 40, makes receive material axle 39 joint at the output of motor, along with the synchronous rotation of motor.
The working principle of the invention is as follows: through the matching arrangement of the machine case 1, the bearing 2, the feeding shaft 3, the correcting shaft 4, the adjusting wheel 5, the fixing frame 6, the connecting rod 7, the first hydraulic tank 8, the tiling shaft 9, the lower coating roller frame 10, the serrated plate 11, the upper coating roller frame 12, the gear 13, the rotating rod 14, the limiting clamp 15, the limiting rod 16, the upper roller 17, the lower roller 18, the coating tank 19, the dimension strip 20, the adjusting rod 21, the partition plate 23 and the discharger 24, a worker pushes the connecting rod 7 through the extension and retraction of the first hydraulic tank 8 to ensure that the connecting rod 7 simultaneously pushes the fixing frame 6 fixedly connected with the adjusting wheel 5 on the feeding shaft 3 and the correcting shaft 4, the fixing frame 6 pushes and pulls the adjusting wheel 5 to ensure that the adjusting wheel 5 separates the distance required by processing width waterproof coiled materials on the feeding shaft 3 and the correcting shaft 4, the coiled materials are paved by the worker, and the positions of the material tires are corrected through the correcting shaft 4 after passing through the feeding shaft, when the material tire passes between the upper roller 17 and the lower roller 18, the friction drives the upper roller 17 to rotate, the coating in the coating box 19 is uniformly coated on the surface of the upper roller 17 through the discharging device 24, if the coating thickness is required, the worker can accelerate or decelerate the discharging speed of the coating box 19 through adjusting the discharging device 24, if the coating width is required, the worker can drive the partition plate 23 to move left and right through the adjusting rod 21 on the coating box 19, the size of the discharging port of the discharging device 24 is controlled and adjusted, so that the coating width is changed, if the material thickness is changed, the worker can rotate the rotating rod 14 to drive the gear 13 to rotate, the gear 13 rotates to drive the engaged serrated plate 11 to move up and down, one side of the serrated plate 11 is inserted in the coating lower roller frame 10, one side is fixedly connected with the bottom of an upper coating roller frame 12, the upper coating roller frame 12 drives an upper roller 17 to move, the number of the upper coating roller frame 12, a lower coating roller frame 10, a serrated plate 11, a gear 13 and a rotating rod 14 is two, the upper roller 17 and the lower roller 18 are arranged on two sides of the upper roller 17 and the lower roller 18, and the upper roller 17 and the lower roller 18 are kept parallel after adjustment, so that waterproof coiled materials with any size can be coated through adjusting equipment, the production cost is reduced, the time for replacing the upper roller 17 and the lower roller 18 is saved, the working efficiency is improved, the coating is easily scratched or rubbed or unevenly after coating is finished, a tire passes through the protective film material shaft 25 after coating is finished, one side of the coating is adhered to a protective film on one side, the fixed block 26 is fixed inside the case 1 through the bolts 27, displacement when the protective film material shaft 25 is prevented from rotating, protective film deviation is caused, meanwhile, when a worker takes off the fixed block 26, the protective film material shaft 25 can be removed, the worker can conveniently replace materials for adding the protective film, then the coating on the material tire is rolled by the pressing roller 29 through the protective film, the surface of the pressing roller 29 is completely flat, in the rolling process, the thickness of the coating is controlled again, redundant coating can be extruded out of the edge, according to the difference of the material tire materials or the difference of the specifications of processing requirements, the worker can control the second hydraulic tank 31 to enable the lifting frame 30 and the upper part of the lifting pressing roller 29 to adjust the distance between the pressing rollers 29, the pressing roller 29 can be suitable for the production and processing of waterproof coiled materials with various specifications through the fan 32 and the waste tank 33, The threaded hole 34, the adjusting shaft 35, the scraper 36, the bearing platform 37, the motor box 38, the material receiving shaft 39, the clamping block 40 and the fixed shaft 41 are arranged in a matched manner, after the laminating of the laminating roller 29, the edge position of the waterproof coiled material is extruded with coating residues, the fan 32 blows cold air, so that the tire adhered with the protective film is quickly cooled by the air when passing through the position of the fan, the protective film can prevent the coating from being blown, the threaded hole 34 can play a role in limiting, meanwhile, the scraper 36 is provided with supporting force and balance, a worker rotates the adjusting shaft 35, the adjusting shaft 35 can translate back and forth in the threaded hole 34 and simultaneously drives the scraper 36 to stretch and retract in the case 1, the purpose of adjusting the position of the scraper 36 is achieved, the scraper 36 can clean the residues on the edges of the tire with any size, the waste bin 33 contains the residues scraped by the scraper 36, and when the worker cleans the machine platform, only need with waste bin 33 clearance just can, the work load that has alleviateed the staff, receive material axle 39 arrangement and twine the finished product coiled material, stimulate the coil stock child during the rotation simultaneously, for the anterior segment of device provides power, setting through fixture block 40, make and receive material axle 39 joint at the output of motor, along with the synchronous rotation of motor, stopper 22 is connected to fixed axle 41, make stopper 22 along with receiving material axle 39 synchronous rotation, make things convenient for the staff to open simultaneously and receive material axle 39, the coiled material of arrangement is taken.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.