Bottled chilli sauce vanning device
Technical Field
The invention relates to the field of boxing, in particular to a bottled chilli sauce boxing device.
Background
Traditional when packing small batch volume chilli sauce, adopt artifical vanning usually, this mode need consume a large amount of manpowers and efficiency slower, and present automatic vanning device adopts mechanical tongs to snatch bottled article, then packs to the carton in again, when packing glass bottle product, and glass bottle often leads to breaking to cause the loss because of the collision.
The application publication number of CN110733683A discloses a boxing device for loading and supporting glass bottles and a boxing method thereof, wherein the boxing device comprises a carton conveying and positioning device for conveying and positioning cartons, a loading and supporting platform for positioning bottom supports and a boxing manipulator, at least one boxing station is arranged on the carton conveying and positioning device, and a loading and supporting station corresponding to the boxing station is arranged on the loading and supporting platform; end-to-end connection of packing manipulator has a bottle grabbing clamp, during the use, packing manipulator control is grabbed a bottle grabbing clamp and is snatched the glass bottle, packing manipulator control is grabbed a bottle grabbing clamp and is removed to dress support station, then bottle grabbing clamp joint collet is grabbed in control, packing manipulator control is grabbed a bottle grabbing clamp and is removed to the vanning station at last, and pack the collet into the carton in, this equipment can fix a position the glass bottle, however this equipment can't separate the placing to bottled product, thereby lead to the glass bottle to bump easily and break.
Therefore, a bottled chili sauce boxing apparatus capable of separately placing bottled products is now being developed.
Disclosure of Invention
In order to overcome the defect that the glass bottle is easy to collide and break due to the difficulty in separately placing bottled products in the patent, the invention has the technical problems that: the bottled chilli sauce boxing device can separate bottled products.
The technical scheme is as follows: a bottled chilli sauce boxing device comprises:
the upper side of the bottom plate is connected with the supporting plate;
the upper side of the supporting plate is connected with the frame;
the rack is connected with the moving plate in a sliding way;
the buffer mechanism is arranged on the frame and used for buffering the bottled chili sauce, and when the buffer mechanism moves downwards to be in contact with the box, the bottled chili sauce is buffered and damped;
the isolation mechanism is used for separating and placing the bottled chili sauce on the buffer mechanism.
Preferably, the buffer mechanism comprises:
the left side and the right side of the upper part of the frame are connected with the fixing frames in a sliding way;
the oblique angle pore plate is clamped between the two fixing frames and moves towards the lower side to be in contact with the box, so that buffering and shock absorption are performed on the bottled chilli sauce;
the first reset spring is connected between the upper right part of the left fixing frame and the left side of the frame, the first reset spring is also connected between the upper left part of the right fixing frame and the right side of the frame, and the first reset springs are wound on the fixing frame;
the left side and the right side of the upper part of the shelf are symmetrically connected with limiting plates in the front-back direction;
the first connecting rod is connected between the two limiting plates on the left side in a sliding manner, the first connecting rod is also connected between the two limiting plates on the right side in a sliding manner, and the movable plate moves towards the upper side and can be in contact with the first connecting rod;
the spliced pole, the equal rotary type in both sides is connected with the spliced pole around the head rod lower part, and left two spliced poles all are connected with left mount rotary type, and two spliced poles on right side all are connected with the mount rotary type on right side, and the spliced pole is kept away from each other and is rotated can stimulate the mount and keep away from the removal each other.
Preferably, the isolation mechanism comprises:
the isolation plate is arranged on the upper side of the oblique angle hole plate and used for separating the bottled chilli sauce;
the lower side of the isolation plate is connected with four first connecting plates;
the front sides of the first connecting plates are respectively clamped with the inserting plates, the first connecting plates can be clamped through the inserting plates, and the isolation plates are fixed and limited;
the fixed plate, the equal joint of picture peg upside has the fixed plate, carries out the screens with the picture peg through the fixed plate, fixed plate and oblique angle orifice plate joint.
Preferably, the upper side of the rear part of the moving plate is provided with a limiting block for limiting the box.
Preferably, the apparatus further comprises an ascending mechanism for automatically moving the moving plate, wherein the ascending mechanism comprises:
the left side and the right side of the top wall of the support plate are both connected with a second connecting plate, the left side and the right side of the movable plate are both connected with the second connecting plate in a sliding manner, and the second connecting plate is used for guiding the movable plate;
the second reset springs are connected between the left side and the right side of the top wall of the moving plate and the upper part of the second connecting plate and are wound on the second connecting plate;
the left side and the right side of the top wall at the rear part of the supporting plate are both connected with the air cylinder;
the first connecting frame is connected between the two cylinder telescopic rods and connected with the rear side of the movable plate, and the first connecting frame is enabled to move towards the upper side through the cylinders so as to drive the movable plate to automatically move towards the upper side.
Preferably, the device further comprises a guide mechanism for correcting and guiding the falling direction of the bevel orifice plate, wherein the guide mechanism comprises:
the front side and the rear side of the upper part of the frame are both connected with a limiting frame;
the limiting frame is rotatably connected with the first rotating plate;
the first torsion springs are connected between the left side and the right side of the upper part of the first rotating plate and the frame and are wound on the first rotating plate;
the lower sides of the fixing frames are connected with the inclined plate frames;
the front part and the rear part of the inclined plate frame are both connected with a second connecting rod in a sliding way, and the second connecting rods are both connected with the frame in a sliding way;
the left side and the right side of the top wall of the frame are connected with a second rotating plate in a front-back symmetrical and rotating mode, and the lower parts of the second rotating plates which correspond to each other are connected with a second connecting rod in a rotating and sliding mode;
the second torsion springs are connected between the right part of the second rotating plate on the left side and the left side of the frame, the second torsion springs are also connected between the left part of the second rotating plate on the right side and the right side of the frame, and the second torsion springs are wound on the second rotating plate;
first belt pulley subassembly all is connected with first belt pulley subassembly between the second rotor plate of front side and the first rotor plate left and right sides of front side, also all is connected with first belt pulley subassembly between the second rotor plate of rear side and the first rotor plate left and right sides of rear side, the mount moves the second connecting rod to the inboard through the ramp frame to the outside, the second rotor plate rotates afterwards, drive first rotor plate through first belt pulley subassembly and rotate to the inboard, the direction of falling is ajusted to oblique angle orifice plate.
Preferably, also include the conveying mechanism that is used for carrying the case, conveying mechanism includes:
the middle part of the supporting plate is connected with a second connecting frame;
the front part and the rear part of the second connecting frame are rotatably connected with the rollers;
the flat belt is wound between the two rollers;
the front part of the second connecting frame is connected with a motor;
the second belt pulley assembly is connected between the roller of the motor output shaft and the front side, the motor output shaft rotates to drive the second belt pulley assembly to rotate, the motor is opened to drive the roller of the front side to rotate through the second belt pulley assembly, and then the roller of the flat belt and the roller of the rear side are driven to rotate to transport the box.
Preferably, still including preventing that bottled chilli sauce from dropping the end mechanism that holds in the palm that influences the vanning, hold in the palm end mechanism including:
the left side and the right side of the top wall of the limiting frame on the front side are both connected with the auxiliary frame;
the rear side of the upper part of the rack is connected with a third connecting rack;
the third connecting frame is rotatably connected with a round angle plate, the front part of the round angle plate is contacted with the auxiliary frame, and the auxiliary frame is used for supporting the round angle plate in an auxiliary mode;
the right side of the first connecting frame is connected with a rack;
the gear, fillet board rear portion right side is connected with the gear, gear and rack intermeshing, and the rack side-up removes and can make the gear rotate, blocks the bottled chilli sauce that drops through the fillet board.
The invention has the beneficial effects that: 1. the invention can buffer the bottled chilli sauce through the bevel hole plate, prevent the bottled chilli sauce from directly falling into the box in a mess to cause damage, and simultaneously the isolation plate can separate the bottled chilli sauce, thereby preventing the glass bottle from cracking caused by collision of the bottled chilli sauce in the moving process.
2. According to the invention, the movable plate can automatically move to the upper side through the air cylinder, so that people do not need to manually push the movable plate to move, the labor force of people can be reduced, the bottled chilli sauce boxing efficiency is improved, the falling distance of the bottled chilli sauce can be reduced, and the error rate of bottled chilli sauce boxing is reduced.
3. The invention can guide the falling direction of the bevel hole plate and the bottled chilli sauce through the rotation of the first rotating plate, thereby preventing the error of boxing operation again.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the buffering mechanism of the present invention.
Fig. 3 is a partial perspective view of the buffering mechanism of the present invention.
Fig. 4 is a schematic perspective view of the isolation mechanism of the present invention.
Fig. 5 is a first perspective view of the isolation mechanism of the present invention.
Fig. 6 is a schematic perspective view of a second perspective view of the isolation mechanism of the present invention.
Fig. 7 is an enlarged schematic perspective view of the invention at D.
Fig. 8 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 9 is a partial perspective view of the lifting mechanism of the present invention.
Fig. 10 is a perspective view of the guiding mechanism of the present invention.
Fig. 11 is an enlarged perspective view of the invention at a.
Fig. 12 is an enlarged perspective view of the present invention at B.
Fig. 13 is a schematic perspective view of the conveying mechanism of the present invention.
Fig. 14 is a partial perspective view of the conveying mechanism of the present invention.
Fig. 15 is a schematic perspective view of the bottom supporting mechanism of the present invention.
Fig. 16 is a partial perspective view of the bottom supporting mechanism of the present invention.
Fig. 17 is an enlarged perspective view of the present invention at C.
Part names and serial numbers in the figure: 1: bottom plate, 2: support plate, 3: moving plate, 4: a rack, 5: buffer mechanism, 51: angled orifice plate, 52: mount, 53: first return spring, 54: limiting plate, 55: first connecting rod, 56: connecting column, 6: isolation mechanism, 61: separator, 62: first connecting plate, 63: board, 64: fixing plate, 7: lifting mechanism, 71: second connecting plate, 72: second return spring, 73: air cylinder, 74: first link, 8: guide mechanism, 81: first rotating plate, 82: spacing, 83: first torsion spring, 84: ramp frame, 85: second connecting rod, 86: second rotation plate, 87: first pulley assembly, 88: second torsion spring, 9: conveying mechanism, 91: flat belt, 92: roller, 93: second link frame, 94: motor, 95: second pulley assembly, 10: bottom holding mechanism, 101: auxiliary frame, 102: round corner plate, 103: rack, 104: gear, 105: and a third connecting frame.
Detailed Description
Although the present invention may be described with respect to a particular application or industry, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.
Example 1
The utility model provides a bottled chilli sauce vanning device, as shown in figure 1, including bottom plate 1, backup pad 2, the movable plate 3, shelf 4, buffer gear 5 and isolator 6, the welding of 1 upside of bottom plate has backup pad 2, 2 upsides in the backup pad are connected with shelf 4, sliding connection has movable plate 3 on shelf 4, movable plate 3 can be used for placing the case, 3 rear portion upsides of movable plate have the stopper certainly, can play limiting displacement to the case, be equipped with buffer gear 5 on shelf 4, buffer gear 5 can cushion the shock attenuation to bottled chilli sauce, the last isolator 6 that is equipped with of buffer gear 5, isolator 6 can separate the placing to bottled chilli sauce.
As shown in fig. 1, fig. 2 and fig. 3, the buffering mechanism 5 includes an oblique angle hole plate 51, a fixing frame 52, a first return spring 53, a limiting plate 54, a first connecting rod 55 and a connecting column 56, the fixing frame 52 is slidably connected to the left and right sides of the upper portion of the rack 4, the oblique angle hole plate 51 capable of being used for placing the bottled chili sauce is connected between the two fixing frames 52, the first return spring 53 is connected between the upper right portion of the left fixing frame 52 and the left side of the rack 4, the first return spring 53 is also connected between the upper left portion of the right fixing frame 52 and the right side of the rack 4, the first return spring 53 is wound on the fixing frame 52, the limiting plates 54 are symmetrically welded to the front and back sides of the upper portion of the rack 4, the first connecting rod 55 is slidably connected between the two left limiting plates 54, the first connecting rod 55 is also slidably connected between the two limiting plates 54 on the right side, the upward movement of the rack 3 can contact the first connecting rod 55, the connecting column 56 is rotatably connected to the fixing frame 56 in the front and back sides of the lower portion, the left two connecting columns 56 are rotatably connected to the rotating type, and the rotating type of the fixing frame 52 on the right side are connected to the fixing frame 52.
As shown in fig. 1, 4, 5, 6 and 7, the isolation mechanism 6 comprises an isolation plate 61, a first connecting plate 62, an insertion plate 63 and a fixing plate 64, the isolation plate 61 is placed on the upper side of the oblique angle hole plate 51, the isolation plate 61 can separate and place bottled chili sauce, the lower side of the isolation plate 61 is connected with the four first connecting plates 62, the insertion plate 63 is clamped on the front side of the first connecting plate 62, the fixing plate 64 is clamped on the upper side of the insertion plate 63, and the isolation plate 61 can be clamped.
When people need to pack the bottled chilli sauce, the device can be used for realizing the purpose, firstly, people separate the bottled chilli sauce on the bevel hole plate 51, the isolation plate 61 can prevent the bottled chilli sauce from being collided to cause glass bottles to be broken in the moving process, then people place a box on the movable plate 3, the box can be limited due to the fact that the upper side of the rear part of the movable plate 3 is provided with a limiting block, then people move the movable plate 3 to the upper side, when the movable plate 3 moves to the upper side to be contacted with the first connecting rod 55, the movable plate 3 continues to move to the upper side to push the first connecting rod 55 to move to the upper side, the first connecting rod 55 moves to the upper side to extrude the connecting rod 56 to rotate to the outer side, the connecting rod 56 rotates to the outer side to drive the fixing frame 52 to move to the outer side, at the first return spring 53 is compressed, and the bevel hole plate 51 can be released when the fixing frame 52 moves to the outer side, then the oblique angle pore plate 51 falls downwards under the gravity of the bottled chilli sauce, the oblique angle pore plate 51 falls into the box, the oblique angle pore plate 51 moves downwards to drive the bottled chilli sauce and the isolation plate 61 to move downwards and fall into the box, so that people can carry out the operation of packing the bottled chilli sauce, after the bottled chilli sauce is packed, people move the moving plate 3 downwards to reset, the moving plate 3 moves downwards to drive the packed bottled chilli sauce to move downwards, meanwhile, the moving plate 3 moves downwards to release the first connecting rod 55, then the fixing frame 52 moves inwards to reset under the action of the first reset spring 53, the fixing frame 52 moves inwards to drive the connecting column 56 to rotate inwards to reset, further, the first connecting rod 55 moves downwards to reset, when people need to pack a new batch of bottled chilli sauce, people will be new oblique angle orifice plate 51 joint between two mounts 52, later people inject division board 61 and first connecting plate 62 on oblique angle orifice plate 51, then people insert picture peg 63 anterior first connecting plate 62, later people inject fixed plate 64 into picture peg 63 upper portion position again, fixed plate 64 can carry out the screens to picture peg 63, thereby can prevent fixed plate 64 and drop from first connecting plate 62, so can carry out the screens to division board 61, later people can place next batch of bottled chilli sauce on division board 61, repeat above operation and can play the cushioning effect to bottled chilli sauce through oblique angle orifice plate 51, prevent that the direct disorder of bottled chilli sauce from dropping to causing the damage in the case, division board 61 can separate the bottled chilli sauce and place simultaneously, thereby can prevent that bottled chilli sauce from taking place the collision and leading to the glass bottle to take place to break in the removal process.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 8 and 9, the lifting mechanism 7 for automatically moving the moving plate 3 is further included, the lifting mechanism 7 includes a second connecting plate 71, a second return spring 72, air cylinders 73 and a first connecting frame 74, the second connecting plate 71 is welded on the left and right sides of the top wall of the supporting plate 2, the left and right sides of the moving plate 3 are slidably connected with the second connecting plate 71, the second return spring 72 is connected between the left and right sides of the top wall of the moving plate 3 and the upper portion of the second connecting plate 71, the second return spring 72 is wound on the second connecting plate 71, the air cylinders 73 are fixedly connected on the left and right sides of the top wall of the rear portion of the supporting plate 2, the first connecting frame 74 is connected between the telescopic rods of the two air cylinders 73, and the first connecting frame 74 is connected with the rear portion of the moving plate 3.
When people need to move the box to the upper side, firstly, people place the box on the movable plate 3, then people open the air cylinder 73, the telescopic rod of the air cylinder 73 extends to the upper side to push the first connecting frame 74 to move to the upper side, the first connecting frame 74 moves to the upper side to drive the movable plate 3 to move to the upper side, at the moment, the second return spring 72 is compressed, the movable plate 3 moves to the upper side to drive the box to move to the upper side, then the bottled chilli sauce can be packed, after the packing is completed, people control the telescopic rod of the air cylinder 73 to shorten to the lower side to drive the first connecting frame 74 to move to the lower side, the first connecting frame 74 moves to the lower side to drive the movable plate 3 and the box to move to the lower side, meanwhile, the second return spring 72 can assist the movable plate 3 to move to the lower side to reset, then people close the air cylinder 73, the above operations are repeated, so that the movable plate 3 can automatically move to the upper side, therefore, people do not need to manually push the movable plate 3 to move, the labor force of packing of people can be reduced, the chilli sauce packing efficiency can be improved, and the distance that the chilli sauce bottles fall can be reduced.
As shown in fig. 1, 10, 11 and 12, the bevel hole plate device further comprises a guide mechanism 8 for guiding a falling direction of the bevel hole plate 51, the guide mechanism 8 comprises a first rotating plate 81, a limiting frame 82, a first torsion spring 83, a tilting plate frame 84, a second connecting rod 85, a second rotating plate 86, a first belt pulley assembly 87 and a second torsion spring 88, the limiting frame 82 is welded on the front and rear sides of the upper portion of the frame 4, the first rotating plate 81 is rotatably connected to the limiting frame 82, the first rotating plate 81 is capable of guiding the falling direction of the bevel hole plate 51, the first torsion spring 83 is connected between the left and right sides of the upper portion of the first rotating plate 81 and the frame 4, the first torsion spring 83 is wound on the first rotating plate 81, the tilting plate frame 84 is connected to the lower side of the fixed frame 52, a second connecting rod 85 is slidably connected to the front and rear sides of the tilting plate frame 84, the second connecting rod 85 is slidably connected to the frame 4, the second rotating plate 86 is symmetrically connected to the left and rear sides of the upper wall of the top wall of the frame 4, the left and right sides of the left and right of the first torsion plate 86 are connected to the first rotating plate 86, the first torsion spring 88 and the second belt pulley assembly 88 are connected to the first torsion plate 81, the left and right pulley assembly, the first torsion spring 88, the first torsion plate 86 are connected to the first torsion plate 88, all be connected with first belt pulley on the second rotor plate 86, the first rotor plate 81 left and right sides also all is connected with first belt pulley, all around having first belt between two adjacent first belt pulleys.
When one needs to guide and swing the falling direction of the bevel orifice plate 51, firstly, when the fixing frame 52 moves outwards, the fixing frame 52 moves outwards to drive the bevel rack 84 to move outwards, the bevel rack 84 moves outwards to pull the second connecting rods 85 on the front side and the rear side to move close to each other, the second connecting rods 85 on the front side and the rear side move close to each other to drive the second rotating plate 86 to rotate, the second torsion springs 88 are twisted, the second rotating plate 86 rotates to drive the first rotating plate 81 to rotate through the first belt pulley assembly 87, the first torsion springs 83 are twisted, meanwhile, the limiting frames 82 can limit the first rotating plate 81, the first rotating plate 81 rotates close to each other to be attached to the bevel orifice plate 51, so that the position of the bevel orifice plate 51 can be aligned, the falling trajectory of the bevel orifice plate 51 can be guided, the position of the bevel orifice plate 51 can also be aligned, the position of the bevel orifice plate 51 can be prevented from being deviated, then the bottled chilli sauce can be boxed, when the chilli sauce is boxed, and when the fixing frame 52 moves inwards to reset, the connecting rods 84 move inwards to drive the positions of the bevel orifice plate 51 to prevent the falling positions of the bevel orifice plate 51 from being shifted, the second rotating plates 81, and the second torsion springs can be reset, so that the second rotating plates 81 and the second rotating plates 81 are reset by the second torsion springs, the second rotating plates 88 and the rack 86 and the second rotating plates 81 are reset, and the rack 86, so that the second torsion springs are reset, the rack 86 rotate reversely, the rack 86 and the rack 85 rotate reversely, and the rack 81 are reset, and the rack 85 rotate reversely, and the rack is reset, so that the error of the boxing operation can be prevented again.
As shown in fig. 1, 13 and 14, the box conveying device further includes a conveying mechanism 9 for conveying boxes, the conveying mechanism 9 includes a flat belt 91, rollers 92, a second connecting frame 93, a motor 94 and a second pulley assembly 95, the second connecting frame 93 is welded in the middle of the supporting plate 2, the rollers 92 are rotatably connected to the front and rear portions of the second connecting frame 93, the flat belt 91 is wound between the two rollers 92, the boxes can be conveyed by the flat belt 91, the motor 94 is connected to the front portion of the second connecting frame 93, the second pulley assembly 95 is connected between the output shaft of the motor 94 and the front roller 92, the second pulley assembly 95 is composed of two second pulleys and one second belt, the output shaft of the motor 94 is connected with the second pulley, the roller 92 on the front side is also connected with the second pulley, the second belt is wound between the two second pulleys, and the output shaft of the motor 94 rotates to drive the second pulley assembly 95 to rotate.
When people need carry the case, at first, people place the case on flat belt 91, people open motor 94 afterwards, motor 94 output shaft rotates the roller 92 who drives the front side through second pulley subassembly 95 and rotates, the roller 92 of front side rotates the roller 92 who drives flat belt 91 and rear side and rotates, flat belt 91 rotates and to carry the case to the rear side, thereby do not need people to manually place the case on movable plate 3, after the case is carried and is accomplished, people close motor 94 can, the operation more than repetition can carry the case to the rear side through flat belt 91 rotation, thereby do not need people to manually remove the case, so can reduce people's labour, improve case conveying efficiency.
As shown in fig. 1, fig. 15, fig. 16 and fig. 17, the device further comprises a bottom supporting mechanism 10 for preventing bottled chili sauce from falling and affecting boxing, the bottom supporting mechanism 10 comprises an auxiliary frame 101, a fillet plate 102, a rack 103, a gear 104 and a third connecting frame 105, the auxiliary frame 101 is fixedly connected to the left side and the right side of the top wall of the limiting frame 82 on the front side, the rack 103 is connected to the right side of the first connecting frame 74, the third connecting frame 105 is connected to the rear side of the upper portion of the rack 4, a round corner plate 102 is rotatably connected to the third connecting frame 105, the fillet plate 102 can prevent the bottled chili sauce from falling and affecting boxing, the front portion of the fillet plate 102 is in contact with the auxiliary frame 101, the auxiliary frame 101 can support the fillet plate 102, the gear 104 is connected to the right side of the rear portion of the fillet plate 102, and the gear 104 is meshed with the rack 103.
Before bottled chilli sauce is packed, in order to prevent the bottled chilli sauce from falling to the lower side in the device and influencing the bottled chilli sauce packing operation, the bottom supporting mechanism 10 is arranged in the device, the circular angle plate 102 can support the bottled chilli sauce, the bottled chilli sauce can be prevented from falling to the lower side and influencing the bottled chilli sauce packing operation of the device, then when the bottled chilli sauce is packed, and when the first connecting frame 74 moves to the upper side, the first connecting frame 74 moves to the upper side to drive the rack 103 to move to the upper side, the rack 103 moves to the upper side to enable the gear 104 to rotate, the gear 104 rotates to drive the circular angle plate 102 to rotate to the rear side, then the bottled chilli sauce can be packed, when the bottled chilli sauce is packed, and when the first connecting frame 74 moves to the lower side to reset, the rack 103 moves to drive the rack 103 to move to the lower side to reset, the rack 103 moves to drive the rack 104 to rotate to the lower side to reverse, so that the circular angle plate 102 moves to the front side to reset, and the rack 102 can repeatedly support the circular angle plate 102 by the bottled chilli sauce, and the bottled chilli sauce can repeatedly support the circular angle plate 102 by the bottled chilli sauce.
The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.