Full-automatic loading and unloading pressurize fixture timing cycle storage device and method thereof
Technical field
The present invention relates to loading and unloading technical field, particularly relate to a kind of full-automatic loading and unloading pressurize fixture timing cycle storage
Apparatus for () and method therefor.
Background technology
After the TP point glue that industry is conventional at present, the dwell time has strict demand, the storage mode of pressurize fixture to be artificial windrow
Timing type.There is clamp tool and put in disorder in this mode, the dwell time is big by artificial affecting randomness, and the dwell time is difficult to control
System, occurs that the dwell time crosses for a long time or the time situation such as not;Not only affect product quality, and artificial remover-and-replacer upper mold is worked
Intensity is bigger.
Summary of the invention
For weak point present in above-mentioned technology, the present invention provides that a kind of work efficiency is high, simple operation safety and
The full-automatic loading and unloading pressurize fixture timing cycle storage device of product automatic clamping and placing and method thereof.
For achieving the above object, the present invention provides a kind of full-automatic loading and unloading pressurize fixture timing cycle storage device, bag
Include automatically to tear the mould feeding device that closes, storing frame equipments for goods, mechanical hand fixing device open and automatically tear the mould that closes open and take mobile phone blanking dress
Put;The described mould feeding device that closes of automatically tearing open is connected with one end of storing frame equipments for goods, and another of described storing frame equipments for goods
Hold by mechanical hand fixing device with automatically tear the mould that closes open and take mobile phone blanking device and be connected;
Described automatically tear open after carrier taken apart and put mobile phone carrier upper mold of closing by the mould feeding device that closes, capture this carrier and deliver to
Pressurize is carried out on the pan feeding streamline of storing frame equipments for goods;Described mechanical hand fixing device captures the carrier on storing frame equipments for goods
And be placed on and automatically tear the mould that closes open and take on mobile phone blanking device;The described mould that closes of automatically tearing open takes after mobile phone blanking device takes upper mold apart
Mobile phone is drawn and moves to flow on blanking streamline next station, and carrier closes and flows on carrier return wire.
Wherein, described automatically tear open to close mould feeding device and automatically tear the mould that closes open take mobile phone blanking device and all include for grabbing
Take carrier grasping mechanism, for realize grasping mechanism lifting elevating mechanism, when buffer lift mechanism declines impulse force
Buffer gear, for carrier upper mold is taken apart open buckle mechanism and be used for conjunction buckle mechanism carrier upper mold closed;Described crawl
Mechanism is arranged on lower section one side of elevating mechanism, described in open buckle mechanism and close buckle mechanism and be installed in the side of grasping mechanism
Limit, and described in open buckle mechanism with close buckle mechanism be all connected with grasping mechanism.
Wherein, the described mould that closes of automatically tearing open takes mobile phone blanking device and also includes for drawing the sucking disc mechanism of mobile phone on carrier
The transfer mechanism to blanking streamline is moved with the mobile phone after drawing;Described sucking disc mechanism and transfer mechanism are installed successively
At another side of grasping mechanism, and grasping mechanism, sucking disc mechanism and transfer mechanism three are sequentially connected.
Wherein, described storing frame equipments for goods includes that belt line and storing grillage, described storing grillage are connected to automatically tear open conjunction
Upper mold feeding device and automatically tear the mould that closes open and take between mobile phone blanking device;Described belt line is laid on storing grillage, and by
Automatically tear the carrier after the grasping mechanism crawl pressing of the mould feeding device that closes open to place in belt line;The carrier of described belt line moves
Move near automatically tearing open after the mould that closes takes mobile phone blanking device, mechanical hand fixing device carrier captured and deliver to automatically tear open conjunction
Upper mold takes on mobile phone blanking device.
Wherein, described mechanical hand fixing device includes realizing the mechanical hand that Manipulator Transportation mechanism moves in X, Z axis face and props up
Frame, move and the Manipulator Transportation mechanism that rotates and providing supports and has the support of damping, buffering effect for realizing pressurize jaw
Damping;Described Manipulator Transportation mechanism and support damping are installed in manipulator support, and described pressurize jaw leads to
The movement crossing manipulator support the carrier capturing in belt line, be handled by a robotic arm mechanism and carry this carrier and close to automatically tearing open
Mould takes on mobile phone blanking device.
Wherein, described Manipulator Transportation mechanism includes the first Rodless cylinder, spill spin block, rotary cylinder and the first jaw gas
Cylinder;Described pressurize jaw be arranged on the first slide rail by the first jaw cylinder and with the first Rodless cylinder drive connection, described
First Rodless cylinder drives pressurize jaw to move left and right on the first slide rail;Described spill spin block and the first jaw cylinder are fixed
Connect, and described rotary cylinder and spill spin block drive connection, described rotary cylinder is rotated after block rotates and drives pressurize jaw
Rotate;And described first jaw cylinder is carried out carrier crawl by pressurize jaw after pressurize jaw drive connection;Described
Support damping includes gripper shoe connector and supports substrate, and described Manipulator Transportation mechanism is connected with gripper shoe by gripper shoe
Part is fixing to be connected, and described gripper shoe connector is fixed with support substrate and is connected, and multiple rows of bullet is passed through in the bottom of described support substrate
Spring is connected with slide plate fixed block, and is installed on multiple follower on described slide plate fixed block.
Wherein, described sucking disc mechanism includes for drawing the sucker of mobile phone, twin shaft cylinder and sucker slide rail, and described sucker is sliding
The sucker connecting plate being connected with sucker, described twin shaft cylinder and sucker connecting plate drive connection posterior sucker connecting plate are installed on rail
Sucker slide rail moves up and down;This mechanism also includes the first buffer being arranged on twin shaft cylinder side;Described transfer
Mechanism includes the second Rodless cylinder, transfer slide rail and the product installing plate being arranged on transfer slide rail, described second Rodless cylinder
After product installing plate drive connection, product installing plate moves forward and backward at transfer slide rail, and described sucker moves to product peace
After dress Board position, the mobile phone of absorption is positioned on this product installing plate, and by product installing plate cell phone to blanking streamline.
Wherein, described elevating mechanism includes that horizontal liftable mounting plate, longitudinal liftable mounting plate, guide rod cylinder and lifting connect
Plate, described horizontal liftable mounting plate is fixing with longitudinal liftable mounting plate to be connected, and described guide rod cylinder is in being longitudinally mounted to longitudinal liter
Fall installing plate side, described lifting connecting plate be arranged on guide rod cylinder lower section and with its drive connection, described lifting connect
Plate moves up and down under the driving of guide rod cylinder;Described open buckle mechanism and grasping mechanism is separately mounted to lift connecting plate
Dual-side;Described grasping mechanism includes the second jaw cylinder, mechanical claw hand connecting plate and for clamping or unclamp the hook of carrier,
Described jaw cylinder is arranged on liftable mounting plate, and the second jaw cylinder is driven even with hook by mechanical claw hand connecting plate
Connect.
Wherein, described in open buckle mechanism and include out detaining double-acting cylinder, little rotating shaft and bearing, described in open button double-acting cylinder peace
Be contained on cylinder connecting plate, and described in open button double-acting cylinder and bearing support block drive connection, described bearing is arranged on bearing
Supporting seat, and this little rotating shaft and bearing support block drive connection, bearing can contact with carrier upper mold side hook ear;Described
Closing buckle mechanism and include that closing button double-acting cylinder, conjunction button cylinder connecting plate and conjunction withholds block, described conjunction button double-acting cylinder is arranged on
On conjunction button cylinder connecting plate, and the described button double-acting cylinder that closes withholds block drive connection with conjunction, and described conjunction is withheld on block and carrier
Mould is accessibly connected, and described conjunction is withheld block and contacted carrier upper mold after ballast tool upper mold is withheld under block in conjunction with carrier upper mold and close;
Described buffer gear includes buffer limit plate, buffering installing plate and the second buffer, the lower end of described buffer limit plate and lifting
Installing plate is fixing to be connected, and the top of described buffer limit plate can contact connection with horizontal liftable mounting plate;Described second buffering
Device is arranged on buffer limit plate by buffering installing plate.
For achieving the above object, the present invention also provides for a kind of full-automatic loading and unloading pressurize fixture timing cycle storage device
Storage method, the elevating mechanism lifting automatically tearing the mould feeding device that closes open realizes the lifting of hook and captures carrier, by opening deduction
The upper mold of carrier is taken apart by structure, is manually placed into mobile phone;Mould is pressed to close carrier upper mold under buckle mechanism by closing, and by gripper
Structure captures carrier and places in the belt line of storing frame equipments for goods;
Carrier move in belt line and mobile near automatically tear open the mould that closes take on mobile phone blanking device time, pressurize jaw grab
Carrier on bark fetching band wire, is handled by a robotic arm mechanism and carries this carrier and take on mobile phone blanking device to automatically tearing the mould that closes open;
By automatically tear open the mould that closes take after mobile phone blanking device takes upper mold apart by mobile phone draw move to flow into next on blanking streamline
Station, and carrier closes and flows on carrier return wire.
The invention has the beneficial effects as follows: compared with prior art, the full-automatic loading and unloading pressurize fixture that the present invention provides is fixed
Shi Xunhuan storage device and method thereof, this equipment mainly includes automatically tearing open close mould feeding device, storing frame equipments for goods, mechanical hand
Fixing device and automatically tear the mould that closes open and take mobile phone blanking device, and automatically tear the mould feeding device that closes open and carrier is taken apart put mobile phone
And after carrier upper mold of closing, capture this carrier and deliver to carry out on the pan feeding streamline of storing frame equipments for goods pressurize;Described mechanical hand
Fixing device captures the carrier on storing frame equipments for goods and is placed on and automatically tears the mould that closes open and take on mobile phone blanking device;Described automatically
Tear open the mould that closes take after mobile phone blanking device takes upper mold apart by mobile phone draw move to flow on blanking streamline next station, and carrier
Close and flow on carrier return wire.The improvement of this equipment realize can automatic clamping and placing, be therefore accurately controlled pressurize time
Between;Simultaneously, it is to avoid artificially go operation, work efficiency height and the effect of Portable safety have been reached.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the full-automatic loading and unloading pressurize fixture timing cycle storage device of the present invention;
Fig. 2 is the structure chart automatically tearing the mould feeding device that closes in the present invention open;
Fig. 3 is the enlarged drawing in Fig. 2 at A;
Fig. 4 is automatically to tear the mould that closes in the present invention open to take the structure chart of mobile phone blanking device;
Fig. 5 is sucking disc mechanism and the structure chart of transfer mechanism in the present invention;
Fig. 6 is the enlarged drawing in the present invention at B;
Fig. 7 is the side view of Fig. 6;
Fig. 8 is the structure chart of storing frame equipments for goods in the present invention;
Fig. 9 is the structure chart of mechanical hand fixing device in the present invention;
Figure 10 is the structure chart of Tu9Zhong Manipulator Transportation mechanism;
Figure 11 is the structure chart supporting damping in Fig. 9.
Main element symbol description is as follows:
1, automatically tear the mould feeding device 2 that closes open, automatically tear the mould that closes open and take mobile phone blanking device
3, mechanical hand fixing device 4, storing frame equipments for goods
5, carrier
10, pan feeding grasping mechanism 11, pan feeding elevating mechanism
12, pan feeding buffer gear 13, pan feeding open buckle mechanism
14, carrier return wire
20, blanking grasping mechanism 21, blanking elevating mechanism 32
22, buckle mechanism is opened in blanking buffer gear 23, blanking
24, buckle mechanism 25, sucking disc mechanism are closed in blanking
26, transfer mechanism 27, blanking streamline
201, the second jaw cylinder 202, mechanical claw hand connecting plate
203, hook 211, horizontal liftable mounting plate
212, longitudinal liftable mounting plate 213, guide rod cylinder
214, lifting connecting plate 221, buffer limit plate
222, buffering installing plate the 223, second buffer
231, button double-acting cylinder 232, little rotating shaft are opened
233, bearing 234, bearing support block
241, close button double-acting cylinder 242, close button cylinder connecting plate
243, block 251, sucker are withheld in conjunction
252, twin shaft cylinder 253, sucker slide rail
254, sucker connecting plate the 255, first buffer
261, the second Rodless cylinder 262, transfer slide rail
263, product installing plate
31, manipulator support 32, Manipulator Transportation mechanism
33, damping is supported
321, pressurize jaw the 322, first Rodless cylinder
323, spill spin block 324, rotary cylinder
325, first jaw cylinder the 326, first slide rail
331, gripper shoe connector 332, support substrate
333, spring 334, slide plate fixed block
335, follower
41, belt line 42, storing grillage.
Detailed description of the invention
In order to more clearly state the present invention, below in conjunction with the accompanying drawings the present invention is further described.
Referring to Fig. 1, the full-automatic loading and unloading pressurize fixture timing cycle storage device that the present invention provides, including automatically tearing open
Mould feeding device 1, storing frame equipments for goods 4, the mechanical hand fixing device 3 of closing and automatically tear the mould that closes open and take mobile phone blanking device 2;From
Dynamic tear the mould feeding device 1 that closes open and be connected with one end of storing frame equipments for goods 4, and the other end of storing frame equipments for goods 4 pass through mechanical
Hands fixing device 3 with automatically tear the mould that closes open and take mobile phone blanking device 2 and be connected;
Automatically tear open after carrier 5 taken apart and put mobile phone carrier upper mold of closing by the mould feeding device 1 that closes, capture this carrier and deliver to storage
Pressurize is carried out on the pan feeding streamline of glassware rack device 4;Mechanical hand fixing device 3 captures the carrier on storing frame equipments for goods 4 also
It is placed on and automatically tears the mould that closes open and take on mobile phone blanking device 2;Automatically tear the mould that closes open to take mobile phone blanking device 2 and take apart hands after upper mold
Machine is drawn and is moved to flow on blanking streamline 27 next station, and carrier closes and flows on carrier return wire 14.
Compared to the situation of prior art, the full-automatic loading and unloading pressurize fixture timing cycle storage that the present invention provides sets
Standby, this equipment mainly includes automatically tearing open close mould feeding device 1, storing frame equipments for goods 4, mechanical hand fixing device 3 and automatically tear open
The mould that closes takes mobile phone blanking device 2, and automatically tears the mould feeding device 2 that closes open and taken apart by carrier and put mobile phone carrier upper mold of closing
After, capture this carrier and deliver to carry out on the pan feeding streamline of storing frame equipments for goods 4 pressurize;Described mechanical hand fixing device captures storage
Carrier on glassware rack device is also placed on and automatically tears the mould that closes open and take on mobile phone blanking device;The described mould that closes of automatically tearing open takes mobile phone
Mobile phone absorption is moved to flow on blanking streamline next station after taking upper mold apart by blanking device, and carrier closes and flows into carrier
On return wire.The improvement of this equipment realize can automatic clamping and placing, be therefore accurately controlled the time of pressurize;Simultaneously, it is to avoid people
For going operation, work efficiency height and the effect of Portable safety are reached.
Referring to Fig. 2-4, automatically tearing open closes mould feeding device 1 and automatically tear the mould that closes open takes mobile phone blanking device 2 and all includes
For capturing the grasping mechanism of carrier, for realizing the elevating mechanism of grasping mechanism lifting, when buffer lift mechanism declines
The buffer gear of impulse force, open buckle mechanism for what carrier upper mold was taken apart and be used for conjunction buckle mechanism carrier upper mold closed;Grab
Take mechanism and be arranged on lower section one side of elevating mechanism, open buckle mechanism and close buckle mechanism and be installed in a side of grasping mechanism,
And open buckle mechanism with close buckle mechanism be all connected with grasping mechanism.The most automatically tear open the mould feeding device 1 that closes for pan feeding gripper
Structure 10, pan feeding elevating mechanism 11, pan feeding buffer gear 12, pan feeding open buckle mechanism 13 and pan feeding closes buckle mechanism (not shown).Automatically
Tear open the mould that closes take mobile phone blanking device 2 for blanking grasping mechanism 20, blanking elevating mechanism 21, blanking buffer gear 22, blanking
Open buckle mechanism 23 and buckle mechanism 24 is closed in blanking.Mobile phone blanking is taken owing to automatically tearing open to close mould feeding device 1 and automatically tear the mould that closes open
Device 2 the two device, automatically tearing, except sucking disc mechanism and transfer mechanism, the mould feeding device 1 that closes open does not has, other mechanisms
Structure be the same, be only described automatically tearing each mechanism that the mould that closes takes in mobile phone blanking device 2 open so following, from
Move and tear just describing the most one by one of the mould feeding device 1 that closes open.
Further referring to Fig. 5, automatically tear the mould that closes open and take mobile phone blanking device 2 and also include for drawing mobile phone on carrier
Sucking disc mechanism 25 and the mobile phone after drawing move the transfer mechanism 26 to blanking streamline 27;Sucking disc mechanism 25 and transfer
Mechanism 26 is sequentially arranged at another side of blanking grasping mechanism 20, and blanking grasping mechanism 20, sucking disc mechanism 25 and transfer machine
Structure 26 three is sequentially connected.
Sucking disc mechanism 25 includes for drawing the sucker 251 of mobile phone, twin shaft cylinder 252 and sucker sliding 253, sucker slide rail
The sucker connecting plate 254 being connected with sucker 251 is installed, after twin shaft cylinder 252 and sucker connecting plate 254 drive connection on 253
Sucker connecting plate 254 moves up and down on sucker slide rail 253;This mechanism also includes being arranged on twin shaft cylinder 252 side
First buffer 255;Transfer mechanism 26 includes the second Rodless cylinder 261, transfer slide rail 262 and is arranged on transfer slide rail 262
Product installing plate 263, after the second Rodless cylinder 261 and product installing plate 263 drive connection, product installing plate 263 is in transfer
Slide rail 262 moves forward and backward, and sucker 251 moves to product installing plate position, and the mobile phone of absorption is positioned over this product and installs
On plate 263, and by product installing plate cell phone to blanking streamline 27.The combination of sucking disc mechanism and transfer mechanism realizes taking apart
After upper mold, the absorption of mobile phone moves to blanking streamline, flows into next station.
Further referring to Fig. 6-7, blanking elevating mechanism 21 includes horizontal liftable mounting plate 211, longitudinal liftable mounting plate
212, guide rod cylinder 213 and lifting connecting plate 214, horizontal liftable mounting plate 211 is fixing with longitudinal liftable mounting plate 212 to be connected,
Guide rod cylinder 213 is in being longitudinally mounted to the side of longitudinal liftable mounting plate 212, and lifting connecting plate 214 is arranged on guide rod cylinder
Lower section and with its drive connection, lifting connecting plate 214 move up and down under the driving of guide rod cylinder 213;Deduction is opened in blanking
Structure 23 and blanking grasping mechanism 20 are separately mounted to lift the dual-side of connecting plate 214;Blanking grasping mechanism 20 includes the second folder
Pawl cylinder 201, mechanical claw hand connecting plate 202 and for clamping or unclamp the hook 203 of carrier, jaw cylinder 201 is arranged on liter
On fall installing plate 214, and the second jaw cylinder 201 is by mechanical claw hand connecting plate and hook 203 drive connection.Deduction is opened in blanking
Structure 23 includes out detaining double-acting cylinder 231, little rotating shaft 232 and bearing 233, opens button double-acting cylinder 231 and is arranged on cylinder connection
On plate, and opening button double-acting cylinder and bearing support block 234 drive connection, bearing is arranged on bearing support block 233, and this little turn
Axle 232 and bearing support block 234 drive connection, bearing can contact with carrier upper mold side hook ear;Jaw cylinder is clamped
Carrier upper mold, opens button double-acting cylinder and is pressed downward against, then bearing contacts with hook ear (not shown), and lower pressure hook ear rear bearing
Tool upper mold separates with carrier lower mold, and then realizes opening button, taking apart of carrier upper mold, is conveniently manually placed into mobile phone.Deduction is closed in blanking
Structure 24 includes that closing button double-acting cylinder 241, conjunction button cylinder connecting plate 242 and conjunction withholds block 243, closes button double-acting cylinder 241 and pacifies
It is contained on conjunction button cylinder connecting plate 242, and conjunction button double-acting cylinder 241 withholds block 243 drive connection with conjunction, closes and withholds block 243
It is accessibly connected with carrier upper mold, and closes and withhold block 243 and contact conjunction with carrier upper mold and withhold under block ballast and have after upper mold on carrier
Mould closes;Blanking buffer gear 23 includes buffer limit plate 231, buffering installing plate 232 and the second buffer 233, buffer limit
The lower end of plate 231 is fixing with liftable mounting plate 214 to be connected, and the top of buffer limit plate can contact with horizontal liftable mounting plate even
Connect;Second buffer is arranged on buffer limit plate by buffering installing plate.The effect available buffer elevating mechanism of the second buffer
Impulse force during decline, improves mechanical hand stability.
Further referring to Fig. 8, storing frame equipments for goods 4 includes belt line 41 and storing grillage 42, and storing grillage 42 connects
Take between mobile phone blanking device 2 automatically tearing open to close mould feeding device 1 and automatically tear the mould that closes open;Belt line 41 is laid in storing plate
On frame 42, and captured in the carrier placement belt line 41 after pressing by the pan feeding grasping mechanism automatically tearing the mould feeding device 1 that closes open;
The carrier of belt line 41 moves near automatically tearing open after the mould that closes takes mobile phone blanking device 2, by mechanical hand fixing device 3 by carrier
Capture and deliver to automatically to tear the mould that closes open to take on mobile phone blanking device 2.Storing grillage 42 can deposit a large amount of pressurize carrier, it is ensured that piles
Before shelf, when the carrier put at first reaches the dwell time, put while take, do not affect the carrying out of next station work, complete
Go bail for from shelf pan feeding streamline pressure fixture and the complete action that picks and places out from storing shelf by fixture.
Further referring to Fig. 9-11, mechanical hand fixing device 3 includes that realizing Manipulator Transportation mechanism moves in X, Z axis face
Manipulator support 31, move and the Manipulator Transportation mechanism 32 that rotates and provide support to have damping for realizing pressurize jaw
The support damping 33 of cushioning effect;Manipulator Transportation mechanism 32 and support damping 33 are installed in manipulator support 31
In, pressurize jaw 321 passes through the movement of manipulator support 31 and captures the carrier 5 in belt line 41, is handled by a robotic arm mechanism
32 carry this carrier takes on mobile phone blanking device to automatically tearing the mould that closes open.Manipulator Transportation mechanism 32 includes the first Rodless cylinder
322, spill spin block 323, rotary cylinder 324 and the first jaw cylinder 325;Pressurize jaw 321 is installed by the first jaw cylinder 325
On the first slide rail 326 and with the first Rodless cylinder 322 drive connection, the first Rodless cylinder 322 drives pressurize jaw first
Move left and right on slide rail 326;Spill spin block 323 is fixing with the first jaw cylinder 325 to be connected, and rotary cylinder 324 and rotation
Block 323 drive connection, rotary cylinder 324 is rotated after block 323 rotates and drives pressurize jaw to rotate;And the first jaw gas
Carrier crawl is carried out by pressurize jaw after cylinder and pressurize jaw drive connection.Manipulator Transportation mechanism 32 realizes moving left and right pressurize
Jaw rotates 180 ° of jaws and captures carrier on the shelf of left and right.Support damping 33 and include gripper shoe connector 331 and a support group
Plate 332, Manipulator Transportation mechanism 32 is connected by gripper shoe is fixing with gripper shoe connector 331, and gripper shoe connector 331 and
Supporting the fixing connection of substrate 332, the bottom supporting substrate 332 is connected with slide plate fixed block 334 by multiple rows of spring 333, and sliding
Multiple follower 335 it is installed on plate fixed block 334.The pressurize jaw that is designed as of follower 335 moves offer support and has
Damping, buffering effect.
For achieving the above object, the present invention also provides for a kind of full-automatic loading and unloading pressurize fixture timing cycle storage device
Storage method, the elevating mechanism lifting automatically tearing the mould feeding device that closes open realizes the lifting of hook and captures carrier, by opening deduction
The upper mold of carrier is taken apart by structure, is manually placed into mobile phone;Mould is pressed to close carrier upper mold under buckle mechanism by closing, and by gripper
Structure captures carrier and places in the belt line of storing frame equipments for goods;
Carrier move in belt line and mobile near automatically tear open the mould that closes take on mobile phone blanking device time, pressurize jaw grab
Carrier on bark fetching band wire, is handled by a robotic arm mechanism and carries this carrier and take on mobile phone blanking device to automatically tearing the mould that closes open;
By automatically tear open the mould that closes take after mobile phone blanking device takes upper mold apart by mobile phone draw move to flow into next on blanking streamline
Station, and carrier closes and flows on carrier return wire.
The improvement of the present invention, it is achieved can automatic clamping and placing, be therefore accurately controlled the time of pressurize;Simultaneously, it is to avoid artificial
Go operation, reach work efficiency height and the effect of Portable safety.
The several specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, any ability
What the technical staff in territory can think change all should fall into protection scope of the present invention.