Red wine bottle recycling label scraping equipment suitable for small-sized factory
Technical Field
The invention relates to the technical field of red wine bottle processing equipment, in particular to label scraping equipment for red wine bottle recovery, which is suitable for small-sized factories.
Background
The red wine is one of the wines, not necessarily refers to the red wine, is well liked by people all over the world, and has the effects of resisting aging, resisting cancer, beautifying and benefiting sleep. At present, red wine's sales volume is very big, so to having drunk remaining red wine bottle after, just need retrieve and recycle, and red wine bottle after retrieving is before carrying out deep-processing, just need give the clearance to original label on the red wine bottle, it is too simple to remove the label method to the red wine bottle of some miniplants, at first need put into the clear water red wine bottle and soak, then tear the label on the red wine bottle through manual again, because staff's finger permanent and water contact, self finger nail will become soft, thereby can not conveniently tear the label on the red wine bottle, just so the reduction of very big degree gets rid of the work efficiency of red wine bottle label, simultaneously, tear the label through the finger for a long time and also can cause certain damage to self finger nail.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the label scraping equipment for red wine bottle recovery, which is suitable for small factories and solves the problems that labels of red wine bottles are inconvenient to tear off, the working efficiency is low and fingernails are easy to damage.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a red wine bottle is retrieved with scraping mark equipment that is adapted to small-size mill, the power distribution box comprises a box body, the bottom fixedly connected with workstation of box, the bottom surface welding of workstation has the supporting seat, the center department of supporting seat top surface is provided with rotary device, rotary device's top is provided with positioner, the both sides on rotary device top and the both sides of positioner bottom all are provided with the chucking device, the catch basin has been seted up to the inside of workstation left end, the left end of box top surface and the left inner wall of box all are provided with water delivery device, the inner wall on box right side is provided with scrapes the mark device.
Preferably, rotary device is including raceway, fixing bearing, stay tube, driven gear, fixed case, gear motor and drive gear, the center department of workstation top surface inlays and has the raceway, the surface on raceway top has cup jointed fixing bearing, fixing bearing's outer lane face has cup jointed the stay tube, driven gear has been cup jointed to the bottom of stay tube surface, the right side of stay tube and the top surface that is located the workstation are inlayed and are had fixed case, the inside fixed mounting of fixed case has gear motor, the output shaft surface on gear motor top has cup jointed drive gear.
Preferably, the positioning device comprises a butt joint pipe, a water collecting hopper, through holes, a first filter screen, a positioning pipe, positioning springs, first limiting plates, positioning rods, a movable block, a first fixed block, a second fixed block, a clamping plate, a sliding chute and a second filter screen, the butt joint pipe is inserted into an inner cavity at the top end of the water delivery pipe, the water collecting hopper is welded on the surface of the bottom end of the butt joint pipe, two through holes are formed in the bottoms of the two side surfaces of the butt joint pipe, the first filter screen is fixedly arranged in the two through holes, the two positioning pipes are fixedly connected to the tops of the two side surfaces of the butt joint pipe, the two positioning springs are sleeved in the inner cavity at the opposite ends of the two positioning pipes, the two first limiting plates are fixedly connected to the opposite ends of the two positioning springs, the two positioning rods are fixedly connected to the opposite surfaces of the two first limiting plates, and the opposite, two the locating lever extends to the inside one end of butt joint pipe and is located that the locating lever openly articulates through the round pin axle has two movable blocks, the top welding of butt joint pipe both sides inner wall has two first fixed blocks, two the front of first fixed block articulates through the round pin axle has two second fixed blocks, two the relative one end fixedly connected with of second fixed block has two cardboards, two the bottom of the opposite one side of cardboard has been seted up, the center department fixed mounting of butt joint pipe both sides inner wall has the second filter screen.
Preferably, the clamping device is including firm pipe, locating hole, chucking pole, reset spring, second limiting plate and pull ring, two firm pipes of top fixed mounting of stay tube both sides face, two locating holes have all been seted up to the top of stay tube both sides face and the bottom of butt joint pipe both sides face, two the locating hole has all been pegged graft with the inner chamber of firm pipe and has been had the chucking pole, the firm pipe is kept away from the inner chamber of stay tube one end and is located the surface of chucking pole and all overlaps and is equipped with reset spring, reset spring is close to the one end of stay tube and is located the surface of chucking pole and has cup jointed the second limiting plate, the one end fixed mounting that the stay tube was kept away from to the chucking pole has the pull ring.
Preferably, the water delivery device comprises a water pump, a water pumping pipe, a valve, a drain pipe, a water delivery tank and a water delivery hole, a water suction pump is fixedly arranged at the left end of the top surface of the box body, a water suction port at the left end of the water suction pump is communicated with a water suction pipe, one end of the water pumping pipe, which is far away from the water pumping pump, penetrates through the top of the box body and extends into the box body, one end of the water pumping pipe, which extends into the box body, penetrates through the top surface of the workbench and extends into the water storage tank, a valve is fixedly arranged in the box body and at the center of the water suction pipe, a water outlet at the upper left of the water suction pump is communicated with a water discharge pipe, the center of the bottom surface of the box body is fixedly connected with a water delivery tank, a water delivery tank is arranged in the water delivery tank, the one end that the suction pump was kept away from to the drain pipe runs through the top of box and delivery tank respectively and communicates with the top surface of delivery tank, the water delivery hole has all been seted up to the inner wall of delivery tank both sides.
Preferably, the label scraping device comprises a driving pipe, a strip-shaped hole, a slider, a driving plate, a supporting frame, a scraper, a stable bearing, a fixing hole, a nut, a long bolt, a stable spring, a baffle and a crank, wherein the driving pipe is welded at the top of the inner wall of the right side of the box body, the strip-shaped hole is formed in the bottom surface of the driving pipe, the slider is sleeved in an inner cavity at the right end of the driving pipe, the driving plate is welded at the bottom surface of the slider, the supporting frame is welded at the left side of the driving plate, the scraper is fixedly installed at the left end of the supporting frame, the stable bearing is embedded at the bottom of the right side of the driving plate, the fixing hole is formed in the top of the right side of the box body, the nut is sleeved at the left end of the inner cavity of the fixing hole, the long bolt is inserted into the inner cavity of the fixing hole and the nut, the right end of the stabilizing spring is sleeved with a baffle plate on the surface of the long bolt, and a crank is fixedly mounted on the right side of the baffle plate on the right end of the long bolt.
Preferably, the clamping rod is clamped with the inner cavities of the two positioning holes respectively, the two ends, opposite to the movable blocks, of the movable blocks are connected with the inner walls of the two sliding grooves in a sliding mode respectively, and the bottom end of the water conveying pipe is communicated with the inner cavity of the water storage groove.
Preferably, the driving gear is in transmission connection with the driven gear, and the outer surface of the top end of the water conveying pipe is fixedly connected with the inner wall of the fixed bearing.
Preferably, the surface of the sliding block is in sliding connection with the inner wall of the driving pipe, the surface of the top end of the driving plate is in sliding connection with the inner wall of the strip-shaped hole, and the long bolt is in threaded connection with the inner wall of the nut.
(III) advantageous effects
The invention provides label scraping equipment for red wine bottle recovery, which is suitable for small factories. The method has the following beneficial effects:
(1) This be adapted to red wine bottle of minimill recovery is with scraping mark equipment, through gear motor among the rotary device, drive gear, the cooperation of driven gear and stay tube is used, gear motor's start-up can drive gear and rotate, drive gear's rotation just can drive driven gear and rotate, driven gear's rotation just can drive the stay tube and rotate, rotation through the stay tube just can drive positioner and rotate, positioner's rotation can be used with scraping the cooperation of mark device, thereby can reach the effect of getting rid of the red wine bottle label.
(2) This be adapted to red wine bottle recovery of minimill is with scraping mark equipment, through the registration arm among the positioner, positioning spring, first limiting plate, the locating lever, the movable block, the cooperation of spout and cardboard is used, when red wine bottle is put into between two cardboards, through pressing down the body, when the top surface of second filter screen is pressed to red wine bottle's bottle end, two locating levers are removed to relative direction to elastic force of positioning spring will be controlled, remove to relative direction through two locating levers, just can drive two cardboards and fix the bottle end of red wine bottle, just so can conveniently scrape the mark device and carry out work.
(3) The label scraping equipment for red wine bottle recovery suitable for small factories is used by matching the clamping tube in the clamping device, the clamping rod, the reset spring, the second limiting plate and the pull ring, when the butt joint tube and the supporting tube are inserted together, the pull ring is loosened, the elastic force of the reset spring can drive the second limiting plate and the clamping rod to move towards the inside of the positioning hole, when the opposite ends of the two clamping rods fully move to the inner cavity of the positioning hole, the rotating device and the positioning device can be conveniently and fixedly connected together, when the pull ring is pulled again, the pull ring can drive the clamping rod to be separated from the inner cavity of the positioning hole, and when the clamping rod is completely separated from the inner cavity of the positioning hole, the positioning device can be conveniently detached, and scraps left in the positioning device can be conveniently removed by detaching the positioning device, so that the positioning device can be continuously used, thereby increasing the practicability of the label scraping device.
(4) This be adapted to small-size mill's red wine bottle recovery is with scraping mark equipment, through suction pump in the water delivery device, the drinking-water pipe, the valve, the drain pipe, the cooperation in water delivery groove and water delivery hole is used, the start-up of suction pump can drive the inside that the drinking-water pipe gives the water source of water delivery inslot portion and transmits the drain pipe, then give the inner chamber of transmitting the water delivery groove through the drain pipe to the water source of taking out, input the water source of water delivery inslot portion just like this and give discharging through the water delivery hole, adjust the size at water source through control flap, just can conveniently carry out moist earlier to the label on red wine bottle surface, thereby can improve the efficiency that scraper means struck off the label.
(5) This be adapted to red wine bottle of minifactory retrieves with scraping mark equipment, crank in through scraping mark device, the stay bolt, the drive plate, the cooperation of support frame and scraper blade is used, when the crank corotation, the crank just can drive the stay bolt and carry out corotation, corotation through the stay bolt just can drive plate and support frame and move left simultaneously, the support frame moves left and just can drive the scraper blade and move left, when the surface of red wine bottle is hugged closely to the medial surface of scraper blade, like this through rotary device's drive, just can drive the surface continuation of red wine bottle with the friction of scraper blade medial surface, just so reach and scrape mark effect.
(6) This red wine bottle recovery that is adapted to minimill is with scraping mark equipment uses through rotary device, positioner, chucking device, water delivery device and the cooperation of scraping the mark device, can solve the manual condition that the damage can appear in getting rid of label finger nail, simultaneously, also can make the process of getting rid of the label more convenient, has further improved the work efficiency that the mark device was scraped to the red wine bottle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 4 is a front cross-sectional view of the positioning device structure of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at B according to the present invention.
In the figure: 1 box body, 2 working tables, 3 supporting seats, 4 rotating devices, 41 water conveying pipes, 42 fixed bearings, 43 supporting pipes, 44 driven gears, 45 fixed boxes, 46 speed reducing motors, 47 driving gears, 5 positioning devices, 51 butt joint pipes, 52 water collecting hoppers, 53 through holes, 54 first filter screens, 55 positioning pipes, 56 positioning springs, 57 first limiting plates, 58 positioning rods, 59 movable blocks, 511 first fixing blocks, 512 second fixing blocks, 513 clamping plates, 514 sliding chutes, 515 second filter screens, 6 clamping devices, 61 stable pipes, 62 positioning holes, 63 clamping rods, 64 return springs, 65 second limiting plates, 66 pull rings, 7 water storage tanks, 8 water conveying devices, 81 water suction pumps, 82 water suction pipes, 83 valves, 84 water discharging pipes, 85 water conveying tanks, 86 water conveying holes, 87 water conveying holes, 9 scraping devices, 91 driving pipes, 92 strip-shaped holes, 93 sliding blocks, 94, 95 supporting frames, 96 scraping plates, 82 water suction pipes, 83 valves, 84 water conveying pipes, 85 water conveying tanks, 86, 97 firm bearing, 98 fixing hole, 99 nut, 911 long bolt, 912 firm spring, 913 baffle, 914 crank.
The specific embodiments,
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a red wine bottle is retrieved with scraping mark equipment that is adapted to small-size mill, the power distribution box comprises a box body 1, the bottom fixedly connected with workstation 2 of box 1, the bottom surface welding of workstation 2 has supporting seat 3, the center department of 3 top surfaces of supporting seat is provided with rotary device 4, rotary device 4's top is provided with positioner 5, the both sides on 4 tops of rotary device and the both sides of 5 bottoms of positioner all are provided with chucking device 6, catch basin 7 has been seted up to the inside of 2 left ends of workstation, the left end of 1 top surfaces of box and the left inner wall of 1 box all are provided with water delivery device 8, the inner wall on 1 right side of box is provided with scrapes mark device 9.
The rotating device 4 comprises a water pipe 41, a fixed bearing 42, a supporting pipe 43, a driven gear 44, a fixed box 45, a speed reduction motor 46 and a driving gear 47, the water pipe 41 is inlaid in the center of the top surface of the workbench 2, the bottom end of the water pipe 41 is communicated with the inner cavity of the water storage tank 7, the outer surface of the top end of the water pipe 41 is fixedly connected with the inner wall of the fixed bearing 42, the fixed bearing 42 is sleeved on the outer surface of the top end of the water pipe 41, the supporting pipe 43 is sleeved on the outer ring surface of the fixed bearing 42, the driven gear 44 is sleeved on the bottom of the outer surface of the supporting pipe 43, the fixed box 45 is inlaid on the right side of the supporting pipe 43 and positioned on the top surface of the workbench 2, the speed reduction motor 46 is fixedly installed inside the fixed box 45, by starting the speed reduction motor 46, the speed reduction motor 46 can drive the driving gear 47 to rotate, the, the positioning device 5 can be driven to rotate by the rotation of the supporting tube 43, the red wine bottle can be driven to rotate by the rotation of the positioning device 5, the surface of an output shaft at the top end of the gear motor 46 is sleeved with the driving gear 47, and the driving gear 47 is in transmission connection with the driven gear 44.
The positioning device 5 comprises a butt joint pipe 51, a water collecting hopper 52, through holes 53, a first filter screen 54, a positioning pipe 55, a positioning spring 56, a first limiting plate 57, a positioning rod 58, a movable block 59, a first fixing block 511, a second fixing block 512, a clamping plate 513, a sliding groove 514 and a second filter screen 515, the butt joint pipe 51 is inserted into an inner cavity at the top end of the water pipe 41, the water collecting hopper 52 is welded on the surface of the bottom end of the butt joint pipe 51, two through holes 53 are formed in the bottom of two side faces of the butt joint pipe 51, the first filter screen 54 is fixedly installed inside the two through holes 53, two positioning pipes 55 are fixedly connected to the tops of two side faces of the butt joint pipe 51, two positioning springs 56 are sleeved on the inner cavity at opposite ends of the two positioning pipes 55, two first limiting plates 57 are fixedly connected to opposite ends of the two positioning springs 56, two positioning rods 58 are fixedly connected to opposite faces of the two first limiting plates 57, and two positioning rods 58 extend to one end inside the butt joint pipe 51 and are positioned at the front of the positioning rods 58, two movable blocks 59 are hinged through a pin shaft, the opposite ends of the two movable blocks 59 are respectively connected with the inner walls of the two sliding grooves 514 in a sliding way, two first fixed blocks 511 are welded at the tops of the inner walls at the two sides of the butt joint pipe 51, two second fixed blocks 512 are hinged on the front of the two first fixed blocks 511 through a pin shaft, two clamping plates 513 are fixedly connected at the opposite ends of the two second fixed blocks 512, the bottoms of the red wine bottles are inserted between the two clamping plates 513, when the bottoms are pressed onto the top surface of the second filter screen 515, the elastic force of the positioning spring 56 can control the two positioning rods 58 to move towards opposite directions, the two clamping plates 513 can be driven to fix the bottoms of the red wine bottles by moving the two positioning rods 58 towards opposite directions, and the clamping plates 513, two spouts 514 have been seted up to the bottom of the opposite one side of two cardboard 513, fixed mounting is located at the center of butt joint pipe 51 both sides inner wall has second filter screen 515, common use through first filter screen 54 and second filter screen 515, just can conveniently give the shredded paper bits of scraping after the mark and reserve at water collecting hopper 52 and the top of butt joint pipe 51 inner chamber, just so can conveniently clear up the shredded paper bits of scraping after the mark, and simultaneously, also play and filter the water source after wasing, and then can make the water source after wasing can circulate and use.
The clamping device 6 comprises a stable pipe 61, positioning holes 62, clamping rods 63, a return spring 64, a second limiting plate 65 and a pull ring 66, wherein two stable pipes 61 are fixedly installed at the tops of two side surfaces of the supporting pipe 43, two positioning holes 62 are respectively formed at the tops of two side surfaces of the supporting pipe 43 and the bottoms of two side surfaces of the butt joint pipe 51, the clamping rods 63 are respectively inserted into the inner cavities of the two positioning holes 62, the clamping rods 63 are respectively clamped with the inner cavities of the two positioning holes 62, the inner cavity of one end of the supporting pipe 43, far away from the stable pipe 61, of the stable pipe 61 and the surface of the clamping rod 63 are respectively sleeved with the return spring 64, one end, close to the supporting pipe 43, of the return spring 64 is sleeved with the second limiting plate 65 and positioned on the surface of the clamping rod 63, the pull ring 66 is fixedly installed at one end, far away from the supporting pipe 43, and the, when the clamping rod 63 is completely separated from the inner cavity of the positioning hole 62, the positioning device 5 can be conveniently detached, and the chips left in the positioning device 5 can be conveniently removed through detaching the positioning device 5, so that the positioning device 5 can be continuously used.
The water delivery device 8 comprises a water pump 81, a water pumping pipe 82, a valve 83, a water drainage pipe 84, a water delivery tank 85, a water delivery groove 86 and a water delivery hole 87, the water pump 81 is fixedly installed at the left end of the top surface of the box body 1, the water pump 81 is started, the water pump 81 can drive the water pumping pipe 82 to transmit water inside the water delivery groove 86 to the inside of the water drainage pipe 84, the water source pumped out is transmitted to the inner cavity of the water delivery groove 86 through the water drainage pipe 84, so that the water source input to the inside of the water delivery groove 86 can be discharged through the water delivery hole 87, the size of the water source is adjusted through the control valve 83, the label on the surface of the red wine bottle can be conveniently wetted in one step, colloid between the label and the bottle body can be easily dropped through wetting the label, a water pumping port at the left end of the water pump 81 is communicated with the water pumping pipe 82, one end of the water pumping pipe 82 far away from the water pump 81 penetrates through the top of the, the inside of catch basin 7 is extended to the top surface that the inside one end that the drinking-water pipe 82 extended to box 1 runs through workstation 2, the inside of box 1 and the center department fixed mounting that is located drinking-water pipe 82 have a valve 83, the outlet intercommunication of drinking-water pump 81 upper left side has a drain pipe 84, the center department fixedly connected with delivery tank 85 of box 1 bottom surface, delivery tank 86 is seted up to delivery tank 85's inside, the one end that the drinking-water pump 81 was kept away from to drain pipe 84 runs through the top of box 1 and delivery tank 85 respectively and communicates with the top surface of delivery tank 86, water delivery hole 87 has all been seted up to the inner wall of delivery tank 85 both sides.
The label scraping device 9 comprises a driving pipe 91, a strip-shaped hole 92, a sliding block 93, a driving plate 94, a supporting frame 95, a scraping plate 96, a stabilizing bearing 97, a fixing hole 98, a nut 99, a long bolt 911, a stabilizing spring 912, a baffle 913 and a crank 914, wherein the driving pipe 91 is welded at the top of the inner wall of the right side of the box body 1, the strip-shaped hole 92 is formed in the bottom surface of the driving pipe 91, the sliding block 93 is sleeved in an inner cavity at the right end of the driving pipe 91, the surface of the sliding block 93 is in sliding connection with the inner wall of the driving pipe 91, the driving plate 94 is welded at the bottom surface of the sliding block 93, the surface at the top end of the driving plate 94 is in sliding connection with the inner wall of the strip-shaped hole 92, the supporting frame 95 is welded at the left side of the driving plate 94, the scraping plate 96 is fixedly installed at the left end of, the fixing hole 98 and the inner cavity of the nut 99 are inserted with a long bolt 911, the long bolt 911 is in threaded connection with the inner wall of the nut 99, the left end of the long bolt 911 is fixedly connected with the inner wall of the stabilizing bearing 97, the right side of the fixing hole 98 and the surface of the long bolt 911 are sleeved with a stabilizing spring 912, the right end of the stabilizing spring 912 and the surface of the long bolt 911 are sleeved with a baffle 913, the right side of the baffle 913 and the right end of the long bolt 911 are fixedly provided with a crank 914, the crank 914 can drive the long bolt 911 to rotate forwardly through the forward rotation of the long bolt 911, the drive plate 94 and the support frame 95 can be driven to move leftwards simultaneously through the forward rotation of the long bolt 911, the support frame 95 can drive the scraper 96 to move leftwards through the leftward movement, when the inner side surface of the scraper 96 is tightly attached to the outer surface of the red wine bottle, the outer surface of the red wine bottle can be, thus, the label on the surface of the red wine bottle can be quickly removed.
When the label scraping device suitable for the small-sized factory is used for red wine bottle recovery, the positioning device 5 is firstly used, the bottle bottom of a red wine bottle is inserted between the two clamping plates 513, when the bottle bottom is pressed to the top surface of the second filter screen 515, the elastic force of the positioning spring 56 can control the two positioning rods 58 to move towards opposite directions, the two clamping plates 513 can be driven to fix the bottle bottom of the red wine bottle by moving towards opposite directions through the two positioning rods 58, then the water delivery device 8 is used, the water suction pump 81 can drive the water suction pipe 82 to transmit water in the water delivery groove 86 to the inside of the water discharge pipe 84 by starting the water suction pump 81, then the water source input into the water delivery groove 86 is transmitted to the inner cavity of the water delivery groove 86 through the water discharge pipe 84, the water source can be discharged through the water delivery hole 87, and the size of the water source is adjusted through the control valve 83, the label on the surface of the red wine bottle can be conveniently moistened in one step, colloid between the label and the bottle body can be enabled to easily fall off by moistening the label, at the moment, the rotating device 4 can be used, the gear motor 46 can drive the driving gear 47 to rotate by starting the gear motor 46, the driven gear 44 can be driven to rotate by the rotation of the driving gear 47, the supporting tube 43 can be driven to rotate by the rotation of the driven gear 44, the positioning device 5 can be driven to rotate by the rotation of the supporting tube 43, the red wine bottle can be driven to rotate by the rotation of the positioning device 5, the label scraping device 9 can be used, the long bolt 911 can be driven by the crank 914 through the forward rotation, the driving plate 94 and the supporting frame 95 can be driven to move leftwards at the same time through the forward rotation of the long bolt 911, the scraper 96 can be driven to move leftwards by the leftward movement of the supporting frame 95, when the medial surface of scraper blade 96 hugs closely at the surface of red wine bottle, like this through the drive of rotary device 4, just can drive the outer surface continuation of red wine bottle rub with scraper blade 96 medial surface, just so can get rid of the label on the red wine bottle surface fast, at last through using chucking device 6, through pulling pull ring 66, pull ring 66 just can drive chucking pole 63 and break away from the inner chamber of locating hole 62, and when chucking pole 63 breaks away from the inner chamber of locating hole 62 completely, just so can make positioner 5 be that can conveniently dismantle, the piece that just can conveniently leave over in positioner 5 through the dismantlement of positioner 5 is given and is clear away from, positioner 5 can also continue to use like this.
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.