Utility model content
High-precision assembling is realized the technical problem to be solved by the present invention is to provide a kind of, and is automatically performed product shifting
The integrated mobile phone camera for carrying conveying assembles equipment.
In order to solve the above-mentioned technical problem, the utility model provides a kind of integrated mobile phone camera assembling equipment, packet
It includes board, glue applying mechanism, attach mechanism and transfer mechanism, the glue applying mechanism and attaching mechanism are arranged on the board, institute
It states glue applying mechanism and attaches and connected between mechanism by transfer mechanism;The glue applying mechanism includes dispensing station, the first positioning mould
Group, point rubber moulding group and first movement mould group, the dispensing station are arranged on the table top of the board, first positioning mould
Group, point rubber moulding group and first movement module support are above the dispensing station;The attaching mechanism includes lens barrel mould group, eyeglass
Mould group, attaches mould group and the second positioning module at the second mobile mould group, and the lens barrel mould group and eyeglass mould group are disposed in parallel in described
On board, the described second mobile mould group, attaching mould group and the second positioning module are supported in the lens barrel mould group and eyeglass mould group
Side;The transfer mechanism includes conveying mould group and lifting mould group, and the dispensing station and lens barrel Mo Zu are arranged in described defeated respectively
The both ends of mould group are sent, the lifting mould group pushes the conveying mould group to move up and down.
Further, the dispensing station includes the first Y-axis linear motor and dispensing platform, and the dispensing platform is by first
The driving of Y-axis linear motor, the first movement mould group are supported on above the first Y-axis linear motor by the first portal frame, and described the
One mobile mould group includes the first X-axis linear motor being arranged on the first portal frame and by connecting plate and the first X-axis straight-line electric
The first connected Z axis linear motor of machine, described rubber moulding group include rotating platform, packing element and Glue dripping head, and the rotating platform is logical
It crosses L-type support frame to connect with the first Z axis linear motor, the packing element connects the Glue dripping head and rotation by packing element fixed frame
Turn platform, first positioning module includes CCD component on first, and CCD component is fixed on institute by locating rack on described first
On the connecting plate for stating the first Z axis linear motor side.
Further, manual adjustable frame slide unit platform is additionally provided between the rotating platform and the packing element fixed frame,
There are angle between the Glue dripping head center line and the rotating platform axis, the rotating platform drives the packing element and Glue dripping head
When rotation, the Glue dripping head is directed toward fixed point, and the packing element fixed frame is connect with the rotating platform by vertical connecting rod, described
It is rotatablely connected between packing element fixed frame and the vertical connecting rod, vertical adjusting rod is additionally provided with below the rotating platform, adjust hand
Handle passes through the vertical adjusting boom end and connects the packing element fixed frame.
Further, first positioning module further includes the first lower CCD component, the described first lower CCD component vertically to
Upper setting, the board of the first Y-axis linear motor side are provided with the first rotating electric machine, and first rotating electric machine is solid vertically
It is scheduled on the board, first rotating electric machine is connect with the described first lower CCD component by connecting rod rack.
Further, the lens barrel mould group includes attaching platform and the second Y-axis linear motor, the second Y-axis straight-line electric
Machine drives the attaching platform mobile, and the eyeglass mould group includes eyeglass platform and third Y-axis linear motor, and described second is mobile
Mould group is erected above the second Y-axis linear motor and third Y-axis linear motor by the second portal frame, and described second is mobile
Mould group includes the second X-axis linear motor, and there are two workbench, the second Z axis linear motor is logical for the second X-axis linear motor setting
It crosses suction nozzle mounting rack to connect with one of workbench, the attaching mould group includes connecting with the second Z axis linear motor
Suction nozzle mounting rack and the suction nozzle that suction nozzle mounting rack lower end is arranged in, second positioning module include CCD group in third
Part, CCD component is connect by being located by connecting plate with another workbench in the third, and the positioning module further includes on the 4th
CCD component, side of the suction nozzle mounting rack far from CCD component in the third is arranged in CCD component on the described 4th.
Further, the positioning module further includes the second lower CCD component, and the described second lower CCD component is arranged described
Between lens barrel mould group and eyeglass mould group, the suction nozzle upper end is connected with shaft, and the shaft is pacified by bearing block and the suction nozzle
Connection is shelved, the shaft is connect by runner with steering motor, and the steering motor is fixed on the suction nozzle mounting rack.
Further, second portal frame includes column and top beam, and the top beam is arranged by linear guide described
On column, support plate is erected above the top beam by the first vertical plate for being fixed on column upper surface, is arranged in the support plate
There is the 4th Y-axis linear motor, the top beam is connect by the second vertical plate and upper junction plate with the 4th Y-axis linear motor.
Further, the lifting mould group includes lifting cylinder and lifting bottom plate, and the lifting cylinder pushes the lifting
Bottom plate moves up and down, and the conveying mould group includes carriage, feeder motor and conveyer belt, and the carriage is two pieces of vertical plates, and two
It is erected at the lifting bottom plate two sides in the middle part of vertical plate described in block, the feeder motor is fixed therein one piece of vertical plate side, and two pieces
It is provided with the connected driving wheel of the feeder motor on the inside of the vertical plate, is connected between the driving wheel by driven roller, two pieces
Both ends top is provided with driven wheel on the inside of the vertical plate, and the conveyer belt surrounds one week around the driving wheel and driven wheel.
Further, the lifting cylinder is fixed on board by mounting plate, and the mounting plate quadrangle is provided with guide sleeve,
The lifting lower surface of base plate is provided with the guide rod that the guide sleeve matches.
Further, the first photoelectric sensor, two first photoelectric transfers are provided on the outside of two pieces of vertical plates
Sensor is staggered, and first photoelectric sensor is directed toward the direction of the conveyer belt, described to convey on the vertical plate that mould group exports
It is relatively set with the second photoelectric sensor, is additionally provided with conveying block on the vertical plate of the outlet of the conveying mould group.
A kind of beneficial effect of integrated mobile phone camera assembling equipment of the utility model compared with prior art is energy
It enough realizes high-precision assembling, and is automatically performed product transfer conveying, improve the automated production of mobile phone camera assembling, reduce
Human cost.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Shown in referring to Fig.1, a kind of embodiment of integrated mobile phone camera assembling equipment of the utility model, including board
50, glue applying mechanism 10, attaching mechanism 20 and transfer mechanism 30, the glue applying mechanism 10 and attaching mechanism 20 are arranged in the board
On 50, is connected between the glue applying mechanism 10 and attaching mechanism 20 by transfer mechanism 30, carry the carrier of material in dispenser
After structure 10 carries out dispensing, carrier is transferred to by transfer mechanism 30 and attaches mechanism 20, carries out attaching assembling attaching mechanism 20, it is complete
At finished product;The glue applying mechanism 10 includes dispensing station 11, the first positioning module 12, point rubber moulding group 13 and first movement mould group
14, the dispensing station 11 is arranged on the table top of the board 50, first positioning module 12, point rubber moulding group 13 and first
Mobile mould group 14 is supported on 11 top of dispensing station, and lens barrel carrier 40 is placed on dispensing station 11 and is delivered to setting
Position, first movement mould group 14 drive the first positioning module 12 to position the lens barrel on lens barrel carrier 40, put rubber moulding group 13
Dispensing is carried out to lens barrel according to the result of positioning, after the completion of the lens barrel whole dispensing on lens barrel carrier 40, dispensing station 11 is by mirror
Cylinder carrier 40 is sent to next station;The attaching mechanism 20 include lens barrel mould group 21, the mobile mould group 23 of eyeglass mould group 22, second,
It attaches mould group 25 and the second positioning module 24, the lens barrel mould group 21 and eyeglass mould group 22 is disposed in parallel on the board 50,
Described second mobile mould group 23, attaching mould group 25 and the second positioning module 24 are supported on the lens barrel mould group 21 and eyeglass mould group 22
Top, lens barrel mould group 21 and eyeglass mould group 22 support lens barrel carrier 40 and eyeglass carrier 60, and are passed to specified position, the
Two mobile mould groups 23, which drive, attaches mould group 25 and the second positioning module 24 respectively to the mirror on lens barrel carrier 40 and eyeglass carrier 60
Cylinder and eyeglass are positioned, and attach mould group 25 and eyeglass is attached on lens barrel according to the result of positioning;The transfer mechanism 30 wraps
Conveying mould group 31 and lifting mould group 32 are included, the dispensing station 11 and lens barrel mould group 21 are separately positioned on the conveying mould group 31
Both ends, the lifting mould group 32 push the conveying mould group 31 to move up and down, and will be located at the dispensing platform of conveying 31 one end of mould group
Lens barrel carrier 40 on 112 jacks up, and lens barrel carrier 40 is transmitted to its other end by conveying mould group 31, and lifting mould group 32 drives again
Conveying mould group 31 moves down, and lens barrel carrier 40 is placed on the attaching platform 211 of the other side, realizes lens barrel carrier 40 two
Circulation between a platform.
Referring to shown in Fig. 2, the dispensing station 11 is arranged on the table top of the board 50, and the dispensing station 11 includes
First Y-axis linear motor 111 and dispensing platform 112, the dispensing platform 112 are driven by the first Y-axis linear motor 111, initially
When, dispensing platform 112 is located at the starting point of the first Y-axis linear motor 111, after lens barrel carrier 40 is placed on dispensing platform 112,
First Y-axis linear motor 111 send dispensing platform 112 to 141 lower section of the first portal frame, and the first movement mould group 14 is by first
Portal frame 141 is supported on 111 top of the first Y-axis linear motor, and the first movement mould group 14 includes being arranged in the first portal frame
The first X-axis linear motor 142 on 141 and the first Z axis straight line being connected by connecting plate 144 with the first X-axis linear motor 142
Motor 143, described rubber moulding group 13 includes rotating platform 131, packing element 132 and Glue dripping head 133, and the rotating platform 131 passes through L
Type support frame is connect with the first Z axis linear motor 143, and the packing element 132 connects the dispensing by packing element fixed frame 134
First 133, with rotating platform 131, realize and put the moving freely in X-axis and Z-direction of rubber moulding group 13, while packing element 132 and dispensing
First 133 can be rotated 360 ° by the drive of rotating platform 131, keep the rotational trajectory of Glue dripping head 133 round, the one of lens barrel
Zhou Jinhang dispensing is also set up between the rotating platform 131 and the packing element fixed frame 134 for the track for adjusting Glue dripping head 133
There is manual adjustable frame slide unit platform 135, the X-axis Y direction of manual adjustable frame slide unit platform 135 can carry out accurate micro- respectively
Adjust, guarantee Glue dripping head 133 formed track it is consistent with the point glue groove on lens barrel, further, for convenience of Glue dripping head 133 close to
Point glue groove in lens barrel carries out dispensing, and there are angle, points between 131 axis of 133 center line of Glue dripping head and the rotating platform
Rubber head 133 carries out dispensing to the point glue groove in lens barrel close to lens barrel at an angle, guarantees glue laminating points glue groove, to guarantee
It is circle in the horizontal plane that Glue dripping head 133, which is rotated by 360 ° and is formed by track, and the rotating platform 131 drives the packing element
132 and Glue dripping head 133 when rotating, the Glue dripping head 133 is directed toward fixed point, further, for the track for adjusting Glue dripping head 133,
The packing element fixed frame 134 and the rotating platform 131 are connect by vertical connecting rod 136, the packing element fixed frame 134 with it is described
It is rotatablely connected between vertical connecting rod 136,133 center line of Glue dripping head and rotating platform can be adjusted by rotating packing element fixed frame 134
Angle between 131 axis, so as to adjust the track of Glue dripping head 133, for the accurate rotational angle for adjusting packing element fixed frame 134, institute
It states and is additionally provided with vertical adjusting rod 137 below rotating platform 131, regulation handle 138 passes through vertical 137 end of adjusting rod simultaneously
The packing element fixed frame 134 is connected, regulation handle 138 is rotated, can further or push away remote packing element fixed frame 134 and vertical adjusting rod
The distance between 137, to adjust the rotational trajectory of Glue dripping head 133, first positioning module 12 includes CCD component on first
121, CCD component 121 is fixed on the connecting plate of 143 side of the first Z axis linear motor by locating rack 122 on described first
On 144, CCD component 121 only needs to move along the x axis on first, when on lens barrel carrier 40 row's lens barrel dispensing complete, first
Y-axis linear motor 111 drives dispensing platform 112 to move along Y-axis, second row lens barrel is sent to designated position, such operation is not necessarily to
Point rubber moulding group 13 and the first positioning module 12 move simultaneously, improve dispensing precision, when glue is finished in packing element 132, Ke Yigeng
Change packing element 132, due to replacement packing element 132 when may move packing element fixed frame 134, for determine Glue dripping head 133 position normotopia,
First positioning module 12 further includes the first lower CCD component 123 for detecting Glue dripping head 133, the described first lower CCD component 123
It is arranged vertically upwards, Glue dripping head 133 is moved to the first lower 123 top of CCD component, and rotating platform 131 drives Glue dripping head 133 to rotate
One week, the first lower CCD component 123 carried out positioning calibration to Glue dripping head 133, carried out dispensing work after the completion of adjustment again, when the
One X-axis linear motor, 142 length is inadequate, when point rubber moulding group 13 can not be moved to the first lower 123 top of CCD component, described the
The board 50 of one Y-axis linear motor, 111 side is provided with the first rotating electric machine 124, and first rotating electric machine 124 is fixed vertically
On the board 50, first rotating electric machine 124 is connect with the described first lower CCD component 123 by connecting rod rack 125,
When needing to detect Glue dripping head 133, the first rotating electric machine 124 rotates the first lower CCD component 123 to 133 lower section of Glue dripping head, when
When not needing detection, the first rotating electric machine 124 to 111 side of the first Y-axis linear motor, protects the first lower rotation of CCD component 123
The lower CCD component 123 of card first is not interfered with CCD component 121 in point rubber moulding group 13 and first.
Referring to shown in Fig. 3, the lens barrel mould group 21 includes attaching platform 211 and the second Y-axis linear motor 212, and described the
Two Y-axis linear motors 212 drive the attaching platform 211 mobile, when initial, attach platform 211 and are located at the second Y-axis linear motor
212 starting point, after lens barrel carrier 40 is placed on attaching platform 211, the second Y-axis linear motor 212 is sent platform 211 is attached
To 25 lower section of attaching mould group.The eyeglass mould group 22 includes eyeglass platform 221 and third Y-axis linear motor 222, eyeglass carrier 60
Third Y-axis linear motor 222 send eyeglass carrier 60 to 24 lower section of the second positioning module after being placed on eyeglass platform 221.Institute
It states the second mobile mould group 23 and the second Y-axis linear motor 212 and third Y-axis straight-line electric is erected at by the second portal frame 231
222 top of machine, the described second mobile mould group 23 includes the second X-axis linear motor 232, and the second X-axis linear motor 232 is arranged
There are two workbench, the first workbench 2321 and the second workbench 2322 are controlled respectively, are individually moved, the second Z axis linear motor
233 are connect by suction nozzle mounting rack 252 with the first workbench 2321, shown in reference Fig. 4, the attaching mould group 25 include with it is described
The suction nozzle mounting rack 252 of second Z axis linear motor 233 connection and the suction nozzle that 252 lower end of suction nozzle mounting rack is set
251, therefore suction nozzle 251 can be moved to above eyeglass platform 221 along the second X-axis linear motor 232, then in the second Z axis straight line
Absorption eyeglass is moved down under the driving of motor 233, is then moved back to and is attached 211 top of platform, eyeglass is pasted on lens barrel, to prevent
Eyeglass attach when suction nozzle 251 push the excessive damage eyeglass of dynamics or suction nozzle 251 push dynamics it is too small so that eyeglass with
Lens barrel poor attachment is provided with electronically controlled proportional valve, when control eyeglass is bonded with lens barrel in the second Z axis linear motor 233
The deviation of pressure is in ± 1% range, for the positioning accuracy for further determining that the second Z axis linear motor 233, second Z axis
Linear motor 233 is also connected with grating scale, forms closed-loop feedback.Second positioning module 24 includes CCD component in third
241, CCD component 241 is connect by being located by connecting plate 242 with the second workbench 2322 in the third, CCD component in third
241 are individually moved, and position respectively to eyeglass and lens barrel, attach after mould group 25 receives location information and are moved to corresponding mirror
Eyeglass is drawn above piece, is then moved to above corresponding lens barrel again, eyeglass is attached on lens barrel.Since eyeglass and lens barrel have
Certain fit angle, its angle may be not corresponding with the lens barrel in lens barrel carrier 40 when eyeglass is in eyeglass carrier 60, is
Determine the angle position of eyeglass, second positioning module 24 further includes the second lower CCD component 243, the described second lower CCD component
243 are arranged between the lens barrel mould group 21 and eyeglass mould group 22, after suction nozzle 251 adsorbs eyeglass, attach platform 211 shifting to
During pass by the second lower CCD component 243, at this point, positioning to eyeglass, determine its angle, save path, improve work
Efficiency, after the angle of the second lower determining eyeglass of CCD component 243 is not corresponded to lens barrel, for the angle for adjusting eyeglass, the suction nozzle
251 upper ends are connected with shaft 253, and the shaft 253 is connect by bearing block 254 with the suction nozzle mounting rack 252, the shaft
253 are connect by runner 255 with steering motor 256, and the steering motor 256 is fixed on the suction nozzle mounting rack 252, are turned to
Motor 256 starts, and driving runner 255 rotates, so that suction nozzle 251 be driven to turn over certain angle, matches camera lens with lens barrel,
To further decrease the movement routine for attaching CCD component 241 in mould group 25 and third, working efficiency, second positioning are improved
Mould group 24 further includes CCD component 244 on the 4th, and the setting of CCD component 244 is separate in the suction nozzle mounting rack 252 on the described 4th
The side of CCD component 241 in the third, CCD component 241 is only used for positioning camera lens in third, CCD component on the 4th
244 for positioning lens barrel, when CCD component 241 completes the positioning to eyeglass, CCD group on suction nozzle 251 and the 4th in third
Part 244 is jointly mobile, and suction nozzle 251 is completed to draw the eyeglass, and attaches the movement of platform 211 backward, and suction nozzle 251 drives eyeglass mobile
To the second lower 243 top of CCD component, the second lower CCD component 243 positions lens angle, at the same time, CCD on the 4th
Component 244, which is located at, attaches 211 top of platform, and the 4th CCD component positions lens barrel, and lens angle and lens barrel are positioned simultaneously
Afterwards, suction nozzle 251 is rotated according to positioning result, and moves directly to carry out the attaching of eyeglass above the lens barrel after positioning, be
Enable the glue on the attached lens barrel of lens sticker to solidify as early as possible to fix eyeglass, is additionally provided with UV on the suction nozzle mounting rack 252
Exposing Lamp 257, lens sticker is attached, and UV Exposing Lamp 257 makes glue rapid curing to heat, guarantees the stabilization that eyeglass attaches.
Referring to Figure 5, it is connected to above two linear motors due to attaching platform 211 and eyeglass platform 221, and lens barrel
The arrangement of lens barrel may be different from the arrangement of eyeglass on eyeglass carrier 60 on carrier 40, therefore cannot be guaranteed corresponding eyeglass and mirror
The line of cylinder is parallel with the second portal frame 231, and to guarantee eyeglass and lens barrel precise match, the second X-axis linear motor 232 is by the 4th
The drive of Y-axis linear motor 234 is finely adjusted in the Y-axis direction, and to realize this feature, second portal frame 231 includes column
2311 and top beam 2312, the top beam 2312 is arranged on the column 2311 by linear guide 235, is fixed on column 2311
Support plate 237 is erected at 2312 top of the top beam by the first vertical plate 236 of upper surface, and the is provided in the support plate 237
Four Y-axis linear motors 234, the top beam 2312 pass through the second vertical plate 238 and upper junction plate 239 and the 4th Y-axis straight-line electric
The connection of machine 234, support plate 237 are equipped with the displacement aperture for the perforation of the second vertical plate 238, guarantee 232 place of the second X-axis linear motor
Top beam 2312 can Y direction carry out certain distance fine tuning.
Shown in referring to figure 6 and figure 7, the lifting mould group 32 includes lifting cylinder 321 and lifting bottom plate 322, the lifting
Cylinder 321 pushes the lifting bottom plate 322 to move up and down, to keep lifting cylinder 321 and the connection of lifting bottom plate 322 more steady
Gu being equipped with hollow hole 323 in the middle part of the lifting bottom plate 322, crane 324 is erected at 323 top of hollow hole, the lifting
324 lower surface of frame is equipped with T-slot 325, and the push rod end of the lifting cylinder 321 is cased with flange shaft sleeve 326, the flange shaft sleeve
326 are fastened in the T-slot 325, on the one hand facilitate connection lifting cylinder 321 and lifting bottom plate 322, another aspect flange shaft
Set 326 is fastened in T-slot 325, guarantees that lifting bottom plate 322 will not shake by fulcrum of tie point, to be further ensured that
Lifting bottom plate 322 is in a horizontal position always, and the lifting cylinder 321 is fixed on board 50 by mounting plate 327, the peace
327 4 jiaos of loading board are provided with guide sleeve 328, and lifting 322 lower surface of bottom plate is provided with the guide rod that the guide sleeve 328 matches
329, the conveying mould group 31 includes carriage, feeder motor 312 and conveyer belt 313, and the carriage is two pieces of vertical plates 311,
322 two sides of lifting bottom plate are erected in the middle part of two pieces of vertical plates 311, the length of the lifting bottom plate 322 is less than described vertical
The length of plate 311, the end of vertical plate 311 extend lifting bottom plate 322 range, facilitate two sides platform by lens barrel carrier 40 send to
In the range of transfer mechanism 30, for the intervening platform for further preventing vertical plate 311 Yu two sides, the vertical plate 311 is inverted convex
Shape, the protrusion of the vertical plate 311 and the lifting bottom plate 322 are fixed, and the platform of two sides can enter defeated below vertical plate 311
The range of mould group 31 is sent, the feeder motor 312 is fixed therein one piece of 311 side of vertical plate, facilitate driving driving wheel 314, this
In embodiment, since the both ends of vertical plate 311 are relatively narrow, for convenience of feeder motor 312 is installed, feeder motor 312 is fixed on vertical plate 311
Middle part is provided with the driving wheel 314 being connected with the feeder motor 312, the driving wheel on the inside of two pieces of vertical plates 311
It is connected between 314 by driven roller 315, enables 313 synchronizing moving of conveyer belt on two pieces of vertical plates 311, two pieces of vertical plates
311 insides both ends top are provided with driven wheel 316, and the conveyer belt 313 is surrounded around the driving wheel 314 and driven wheel 316
One week, driven wheel 316 was located at the top that top makes conveyer belt 313 be located at vertical plate 311, defeated when conveying mould group 31 is jacked up
It send band 313 to touch lens barrel carrier 40 first, lens barrel carrier 40 is jacked up and is separated with dispensing platform 112, to guarantee conveyer belt 313
Tensioning, the two sides of the driving wheel 314 are provided with a plurality of tensioning wheels 317, stablize the transmission of lens barrel carrier 40, lens barrel carrier 40
It is moved to the other end of conveying mould group 31, under the transmission of conveyer belt 313 to ensure that conveyer belt 313 jacks up lens barrel carrier 40 simultaneously
Normotopia transmission, the top of two pieces of vertical plates 311 is provided with the first photoelectric sensor 318, two first photoelectric sensings
Device 318 is staggered, and first photoelectric sensor 318 is directed vertically to the direction of the conveyer belt 313 by upright bar support, and two
Distance of a first photoelectric sensor 318 in 313 transmission direction of conveyer belt is the length of lens barrel carrier 40, on the one hand ensures have
Lens barrel carrier 40 is being conveyed, and is on the other hand positioned to the position of lens barrel carrier 40, for lens barrel carrier 40 to be delivered to
Designated position, described convey is relatively set with the second photoelectric sensor 319 on the vertical plate 311 that mould group 31 exports, when the second photoelectricity
Sensor 319 senses that lens barrel carrier 40 reaches, then conveyer belt 313 is out of service, for prevent lens barrel carrier 40 due to inertia after
It is continuous to move forward, it is provided with conveying block 310 on the vertical plate 311 of the outlet of the conveying mould group 31, lens barrel carrier 40 is blocked
It is exported in conveying mould group 31, then conveys mould group 31 and move down, in the process, it is another that lens barrel carrier 40 is located at conveying mould group 31
The attaching platform 211 at end stops, and can not continue that conveying mould group 31 is followed to move down, so that lens barrel carrier 40 divides with conveying mould group 31
From, it is placed into and attaches on platform 211, completion transfer.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.