Full-automatic loading and unloading pressurize fixture timing cycle storage device and its method
Technical field
The present invention relates to loading and unloading technical field more particularly to a kind of full-automatic loading and unloading pressurize fixture timing cycle storages
Device and method thereof.
Background technology
There is strict demand in the dwell time after the common TP dispensings of industry at present, and the storage mode of pressurize fixture is artificial windrow
Timing type.This mode is put in disorder there are clamp tool, and the dwell time is big by artificial affecting randomness, and the dwell time is difficult to control
There is the dwell time too long or situations such as the time is inadequate in system;Not only influence product quality, but also manually remover-and-replacer upper mold work
Intensity is larger etc..
The content of the invention
For shortcoming present in above-mentioned technology, the present invention provide a kind of high work efficiency, simple operation safety and
The full-automatic loading and unloading pressurize fixture timing cycle storage device and its method of product automatic clamping and placing.
To achieve the above object, the present invention provides a kind of full-automatic loading and unloading pressurize fixture timing cycle storage device, bag
Automatic tear open is included to close mould feeding device, storing frame equipments for goods, manipulator fixing device and automatic tear open and close mould mobile phone blanking is taken to fill
It puts;Automatic tear open is closed mould feeding device and is connected with one end of storing frame equipments for goods, and the storing frame equipments for goods is another
It closes mould with tearing open automatically by manipulator fixing device mobile phone blanking device is taken to be connected in end;
Automatic tear open is closed after carrier dismantled and put mobile phone and close carrier upper mold by mould feeding device, captures the carrier
It send to carrying out pressurize on the pan feeding assembly line of storing frame equipments for goods;On the manipulator fixing device crawl storing frame equipments for goods
Carrier is simultaneously placed on automatic tear open and closes mould and take on mobile phone blanking device;Automatic tear open closes mould mobile phone blanking device is taken to dismantle
Mobile phone absorption is moved on blanking assembly line after mould and flows into next station, and carrier is closed and flowed on carrier return wire.
Wherein, automatic tear open closes mould feeding device and automatic tear open closes mould mobile phone blanking device is taken to include grabbing
Impulse force when taking the grasping mechanism of carrier, being used to implement the elevating mechanism of grasping mechanism lifting, decline for buffer lift mechanism
Buffer gear opens buckle mechanism and conjunction buckle mechanism for carrier upper mold to be closed for dismantle carrier upper mold;The crawl
Mechanism is mounted on lower section a side of elevating mechanism, described to open buckle mechanism and close the one side that buckle mechanism is installed in grasping mechanism
Side, and it is described open buckle mechanism and close buckle mechanism be connected with grasping mechanism.
Wherein, automatic tear open closes mould mobile phone blanking device is taken to further include to draw the sucking disc mechanism of mobile phone on carrier
With for the mobile phone after drawing to be moved to the transfer mechanism of blanking assembly line;The sucking disc mechanism and transfer mechanism are installed successively
In another side of grasping mechanism, and grasping mechanism, sucking disc mechanism and transfer mechanism three are sequentially connected.
Wherein, the storing frame equipments for goods includes belt line and storing grillage, and the storing grillage is connected to tears conjunction open automatically
Upper mold feeding device and automatic tear open are closed mould and are taken between mobile phone blanking device;The belt line is laid on storing grillage, and by
Automatically the carrier after the grasping mechanism crawl pressing for closing mould feeding device is torn open to place in belt line;The carrier of the belt line moves
It moves to close to automatic tear open and closes after mould takes mobile phone blanking device, carrier is captured by manipulator fixing device and sent to tearing conjunction open automatically
Upper mold is taken on mobile phone blanking device.
Wherein, the manipulator fixing device includes the manipulator branch for realizing that Manipulator Transportation mechanism moves in X, Z axis face
Frame is used to implement the support of Manipulator Transportation mechanism and offer support with cushioning buffer effect that pressurize clamping jaw is mobile and rotates
Damping;The Manipulator Transportation mechanism and support damping are installed in manipulator support, and the pressurize clamping jaw leads to
It crosses the movement of manipulator support and captures the carrier in belt line, be handled by a robotic arm mechanism and carry the carrier to automatic tear open and close
Mould is taken on mobile phone blanking device.
Wherein, the Manipulator Transportation mechanism includes the first rodless cylinder, spill spin block, rotary cylinder and the first clamping jaw gas
Cylinder;The pressurize clamping jaw is mounted on the first slide by the first clamping jaw cylinder and is drivingly connected with the first rodless cylinder, described
First rodless cylinder drives pressurize clamping jaw to be moved left and right on the first slide;The spill spin block is fixed with the first clamping jaw cylinder
Connection, and the rotary cylinder is drivingly connected with spill spin block, the rotary cylinder drives pressurize clamping jaw after driving spill spin block rotation
It is rotated;And the first clamping jaw cylinder by pressurize clamping jaw after pressurize clamping jaw drive connection with carrying out carrier crawl;The branch
Supportting damping includes support plate connector and supporting substrate, and the Manipulator Transportation mechanism is connected by support plate with support plate
Part is fixedly connected, and the support plate connector is fixedly connected with supporting substrate, and the bottom of the supporting substrate passes through multiple rows of bullet
Spring is connected with slide plate fixed block, and is installed on multiple followers on the slide plate fixed block.
Wherein, the sucking disc mechanism includes the sucker, twin shaft cylinder and sucker slide of drawing mobile phone, and the sucker is slided
The sucker connecting plate being connected with sucker is installed, the twin shaft cylinder is drivingly connected posterior sucker connecting plate with sucker connecting plate on rail
It is moved up and down on sucker slide;The mechanism further includes the first buffer mounted on twin shaft cylinder side;The transfer
Mechanism includes the second rodless cylinder, transfer slide and the product installing plate on transfer slide, second rodless cylinder
After being drivingly connected with product installing plate, product installing plate is moved back and forth in transfer slide, and the sucker is moved to product peace
Behind loading board position, the mobile phone of absorption is positioned on the product installing plate, and by product installing plate cell phone to blanking assembly line.
Wherein, the elevating mechanism includes horizontal liftable mounting plate, longitudinal liftable mounting plate, guide rod cylinder and lifting connection
Plate, the transverse direction liftable mounting plate are fixedly connected with longitudinal liftable mounting plate, and the guide rod cylinder is in be longitudinally mounted to longitudinal liter
The side of installing plate drops, and the lift connection plate is mounted on the lower section of guide rod cylinder and is drivingly connected with it, the lifting connection
Plate moves up and down under the driving of guide rod cylinder;It is described to open buckle mechanism and grasping mechanism is separately mounted to lift connection plate
Two sides;The grasping mechanism includes the second clamping jaw cylinder, mechanical claw hand connecting plate and the hook for clamping or unclamping carrier,
The clamping jaw cylinder is mounted on liftable mounting plate, and the second clamping jaw cylinder is connected by mechanical claw hand connecting plate and hook driving
It connects.
Wherein, the buckle mechanism of opening includes opening button double-acting cylinder, small shaft and bearing, described to open button double-acting cylinder peace
On cylinder connecting plate, and the button double-acting cylinder of opening is drivingly connected with bearing support block, and the bearing is mounted on bearing
Support base, and the small shaft is drivingly connected with bearing support block, bearing can be in contact with carrier upper mold side hook ear;It is described
It closes buckle mechanism and withholds block including closing button double-acting cylinder, conjunction button cylinder connecting plate and conjunction, the conjunction button double-acting cylinder is mounted on
It closes on button cylinder connecting plate, and the conjunction button double-acting cylinder withholds block drive connection with conjunction, the conjunction is withheld on block and carrier
Mould is accessibly connected, and it is described conjunction withhold block contact with carrier upper mold close withhold block pushing carrier upper mold after carrier upper mold close;
The buffer gear includes buffer limit plate, buffering installing plate and the second buffer, the lower end of the buffer limit plate and lifting
Installing plate is fixedly connected, and the top of the buffer limit plate can be connected with horizontal liftable mounting plate;Second buffering
Device is by buffering installing plate on buffer limit plate.
To achieve the above object, the present invention also provides a kind of full-automatic loading and unloading pressurize fixture timing cycle storage devices
Storage method tears the lifting for the elevating mechanism lifting realization hook for closing mould feeding device open and captures carrier, automatically by opening deduction
Structure dismantles the upper mold of carrier, is manually placed into mobile phone;Upper mold is pushed to close carrier upper mold by conjunction buckle mechanism, and by gripper
Structure captures carrier and places in the belt line of storing frame equipments for goods;
Carrier moved in belt line and be moved to close to it is automatic tear open close mould and take on mobile phone blanking device when, pressed from both sides by pressurize
Carrier in pawl crawl belt line is handled by a robotic arm mechanism and carries the carrier to automatic tear open and closes mould and take mobile phone blanking device
On;
It is closed mould by tearing open automatically mobile phone blanking device is taken to dismantle to move to mobile phone absorption on blanking assembly line after upper mold and flow into
Next station, and carrier is closed and flowed on carrier return wire.
The beneficial effects of the invention are as follows:Compared with prior art, full-automatic loading and unloading pressurize fixture provided by the invention is determined
Shi Xunhuan storage devices and its method, the equipment mainly include automatic tear open and close mould feeding device, storing frame equipments for goods, manipulator
Fixing device and automatic tear open close mould and take mobile phone blanking device, and it is automatic tear open to close mould feeding device and dismantle carrier put mobile phone
And after closing carrier upper mold, capture the carrier and send to carrying out pressurize on the pan feeding assembly line of storing frame equipments for goods;The manipulator
Carrier on fixing device crawl storing frame equipments for goods is simultaneously placed on automatic tear open and closes mould and take on mobile phone blanking device;It is described automatic
It tears open and closes mould mobile phone blanking device is taken to dismantle to move to mobile phone absorption on blanking assembly line after upper mold and flow into next station, and carrier
It closes and flows on carrier return wire.The improvement of this equipment realize can automatic clamping and placing, therefore accurately control pressurize when
Between;Meanwhile avoid artificially going to operate, achieve the effect that work efficiency height and Portable safety.
Description of the drawings
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 to tear the structure chart for closing mould feeding device open automatically in the present invention;
Fig. 3 is the enlarged drawing at A in Fig. 2;
Fig. 4 closes the structure chart that mould takes mobile phone blanking device to be torn open automatically in the present invention;
Fig. 5 is the structure chart of sucking disc mechanism and transfer mechanism in the present invention;
Fig. 6 is the enlarged drawing at B in the present invention;
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 manipulator fixing device in the present invention;
Figure 10 is the structure chart of Tu9Zhong Manipulator Transportations mechanism;
Figure 11 is the structure chart that damping is supported in Fig. 9.
Main element symbol description is as follows:
1st, it is automatic tear open close mould feeding device 2, automatic tear open closes mould and takes mobile phone blanking device
3rd, manipulator fixing device 4, storing frame equipments for goods
5th, carrier
10th, pan feeding grasping mechanism 11, pan feeding elevating mechanism
12nd, pan feeding buffer gear 13, pan feeding open buckle mechanism
14th, carrier return wire
20th, blanking grasping mechanism 21, blanking elevating mechanism 32
22nd, buckle mechanism is opened in blanking buffer gear 23, blanking
24th, buckle mechanism 25, sucking disc mechanism are closed in blanking
26th, transfer mechanism 27, blanking assembly line
201st, the second clamping jaw cylinder 202, mechanical claw hand connecting plate
203rd, hook 211, horizontal liftable mounting plate
212nd, longitudinal liftable mounting plate 213, guide rod cylinder
214th, lift connection plate 221, buffer limit plate
222nd, installing plate 223, the second buffer are buffered
231st, button double-acting cylinder 232, small shaft are opened
233rd, bearing 234, bearing support block
241st, close button double-acting cylinder 242, close button cylinder connecting plate
243rd, close and withhold block 251, sucker
252nd, twin shaft cylinder 253, sucker slide
254th, sucker connecting plate 255, the first buffer
261st, the second rodless cylinder 262, transfer slide
263rd, product installing plate
31st, manipulator support 32, Manipulator Transportation mechanism
33rd, damping is supported
321st, pressurize clamping jaw 322, the first rodless cylinder
323rd, spill spin block 324, rotary cylinder
325th, the first clamping jaw cylinder 326, the first slide
331st, support plate connector 332, supporting substrate
333rd, spring 334, slide plate fixed block
335th, follower.
41st, belt line 42, storing grillage
Specific embodiment
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, full-automatic loading and unloading pressurize fixture timing cycle storage device provided by the invention, including tearing open automatically
Mould feeding device 1, storing frame equipments for goods 4, manipulator fixing device 3 and automatic tear open is closed to close mould and take mobile phone blanking device 2;From
Dynamic tear open is closed mould feeding device 1 and is connected with one end of storing frame equipments for goods 4, and the other end of storing frame equipments for goods 4 passes through machinery
Hand fixing device 3 closes mould mobile phone blanking device 2 is taken to be connected with automatic tear open;
Automatic tear open is closed after carrier 5 dismantled and put mobile phone and close carrier upper mold by mould feeding device 1, is captured the carrier and is sent
Pressurize is carried out on to the pan feeding assembly line of storing frame equipments for goods 4;Manipulator fixing device 3 captures the load on storing frame equipments for goods 4
Have and be placed on automatic tear open and close mould and take on mobile phone blanking device 2;Automatic tear open is closed after mould takes mobile phone blanking device 2 to dismantle upper mold
Mobile phone absorption is moved on blanking assembly line 27 and flows into next station, and carrier is closed and flowed on carrier return wire 14.
Compared to the situation of the prior art, full-automatic loading and unloading pressurize fixture timing cycle storage provided by the invention is set
Standby, which mainly includes automatic tear open and closes mould feeding device 1, storing frame equipments for goods 4, manipulator fixing device 3 and tear open automatically
Close mould and take mobile phone blanking device 2, and it is automatic tear open to close mould feeding device 2 and dismantle carrier put mobile phone and close carrier upper mold
Afterwards, the carrier is captured to send to carrying out pressurize on the pan feeding assembly line of storing frame equipments for goods 4;The manipulator fixing device crawl storage
Carrier on glassware rack device is simultaneously placed on automatic tear open and closes mould and take on mobile phone blanking device;Automatic tear open closes mould and takes mobile phone
Blanking device, which is dismantled to move to mobile phone absorption on blanking assembly line after upper mold, flows into next station, and carrier closes and flows into carrier
On return wire.The improvement of this equipment realize can automatic clamping and placing, therefore accurately control the time of pressurize;Meanwhile avoid people
To go to operate, work efficiency height and Portable safety are achieved the effect that.
Fig. 2-4 are referred to, tears open automatically and closes mould feeding device 1 and automatic tear open closes mould mobile phone blanking device 2 is taken to include
For capture the grasping mechanism of carrier, be used to implement grasping mechanism lifting elevating mechanism, decline for buffer lift mechanism when
The buffer gear of impulse force opens buckle mechanism and conjunction buckle mechanism for carrier upper mold to be closed for dismantle carrier upper mold;It grabs
Mechanism is taken to be mounted on lower section a side of elevating mechanism, open buckle mechanism and closes a side that buckle mechanism is installed in grasping mechanism,
And it opens buckle mechanism and closes buckle mechanism and be connected with grasping mechanism.Wherein tear that close mould feeding device 1 be pan feeding gripper open automatically
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 that close mould to take mobile phone blanking device 2 be blanking grasping mechanism 20, blanking elevating mechanism 21, blanking buffer gear 22, blanking open
It opens buckle mechanism 23 and buckle mechanism 24 is closed in blanking.Mould feeding device 1 is closed due to tearing open automatically and automatic tear open closes mould and take mobile phone blanking
The two devices of device 2, except sucking disc mechanism and transfer mechanism are to tear open to close mould feeding device 1 without other mechanisms automatically
Structure be the same, so following only close mould each mechanism in mobile phone blanking device 2 taken to be described to tearing open automatically, from
It is dynamic tear open close mould feeding device 1 with regard to no longer being described one by one.
Further referring to Fig. 5, tear open automatically and close mould mobile phone blanking device 2 is taken to further include to draw mobile phone on carrier
Sucking disc mechanism 25 and the transfer mechanism 26 for the mobile phone after drawing to be moved to blanking assembly line 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
26 three of structure is sequentially connected.
Sucking disc mechanism 25 includes the sucker 251, twin shaft cylinder 252 and sucker slide 253 of drawing mobile phone, sucker slide
The sucker connecting plate 254 being connected with sucker 251 is installed, after twin shaft cylinder 252 is drivingly connected with sucker connecting plate 254 on 253
Sucker connecting plate 254 moves up and down on sucker slide 253;The mechanism is further included mounted on 252 side of twin shaft cylinder
First buffer 255;Transfer mechanism 26 includes the second rodless cylinder 261, transfer slide 262 and on transfer slide 262
Product installing plate 263, after the second rodless cylinder 261 is drivingly connected with product installing plate 263, product installing plate 263 is in transfer
Slide 262 is moved back and forth, and after sucker 251 is moved to product installation Board position, the mobile phone of absorption is positioned over product installation
On plate 263, and by product installing plate cell phone to blanking assembly line 27.The combination realization of sucking disc mechanism and transfer mechanism is dismantled
The absorption of mobile phone moves to blanking assembly line after upper mold, flows into next station.
Further referring to Fig. 6-7, blanking elevating mechanism 21 includes horizontal liftable mounting plate 211, longitudinal liftable mounting plate
212nd, guide rod cylinder 213 and lift connection plate 214, horizontal liftable mounting plate 211 are fixedly connected with longitudinal liftable mounting plate 212,
Guide rod cylinder 213 is in be longitudinally mounted to the side of longitudinal liftable mounting plate 212, and lift connection plate 214 is mounted on guide rod cylinder
It lower section and is drivingly connected with it, lift connection plate 214 moves 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 the two sides of lift connection plate 214;Blanking grasping mechanism 20 includes the second folder
Pawl cylinder 201, mechanical claw hand connecting plate 202 and the hook 203 for clamping or unclamping carrier, clamping jaw cylinder 201, which is mounted on, to be risen
It drops on installing plate 214, and the second clamping jaw cylinder 201 is drivingly connected by mechanical claw hand connecting plate and hook 203.Deduction is opened in blanking
Structure 23 includes opening button double-acting cylinder 231, small shaft 232 and bearing 233, opens button double-acting cylinder 231 and is connected mounted on cylinder
It on plate, and opens button double-acting cylinder and is drivingly connected with bearing support block 234, bearing is mounted on bearing support block 233, and this small turn
Axis 232 is drivingly connected with bearing support block 234, and bearing can be in contact with carrier upper mold side hook ear;Clamping jaw cylinder is clamped
Carrier upper mold is opened button double-acting cylinder and is pressed downward, then bearing is contacted with hook ear (not shown), and pushes hook ear rear bearing
Tool upper mold is separated with carrier lower die, and then is realized and opened button, and dismantling for carrier upper mold is conveniently manually placed into mobile phone.Deduction is closed in blanking
Structure 24 withholds block 243 including closing button double-acting cylinder 241, conjunction button cylinder connecting plate 242 and conjunction, and conjunction button double-acting cylinder 241 is pacified
It is detained mounted in closing on cylinder connecting plate 242, and conjunction button double-acting cylinder 241 is withheld block 243 with conjunction and is drivingly connected, block 243 is withheld in conjunction
It is accessibly connected with carrier upper mold, and closes to withhold block 243 and contact to close with carrier upper mold and withhold after block pushing carrier upper mold on carrier
Mould closes;Blanking buffer gear 22 includes buffer limit plate 221, buffering 222 and second buffer 223 of installing plate, buffer limit
The lower end of plate 221 is fixedly connected with liftable mounting plate 214, and the top of buffer limit plate can contact company with horizontal liftable mounting plate
It connects;Second buffer is by buffering installing plate on buffer limit plate.The effect of second buffer can buffer lift mechanism
Impulse force during decline improves manipulator 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
Mould feeding device 1 is closed in automatic tear open and automatic tear open is closed mould and taken between mobile phone blanking device 2;Belt line 41 is laid in storing plate
On frame 42, and the carrier closed by tearing open automatically after the pan feeding grasping mechanism crawl pressing of mould feeding device 1 is placed in belt line 41;
The carrier of belt line 41, which is moved to, to be closed close to automatic tear open after mould takes mobile phone blanking device 2, by manipulator fixing device 3 by carrier
It captures and send to automatic tear open and close mould and take on mobile phone blanking device 2.Storing grillage 42 can store a large amount of pressurize carriers, it is ensured that pile
Before shelf, when the carrier being put at first reaches the dwell time, taken when putting, not under the influence of the progress that works of a station, complete
Pressurize fixture and the complete action for picking and placeing out from storing shelf by fixture are taken from shelf pan feeding assembly line.
Further referring to Fig. 9-11, manipulator fixing device 3 includes realizing that Manipulator Transportation mechanism moves in X, Z axis face
Manipulator support 31, be used to implement pressurize clamping jaw mobile and the Manipulator Transportation mechanism 32 that rotates and support be provided there is damping
The support damping 33 of cushioning effect;Manipulator Transportation mechanism 32 and support damping 33 are installed in manipulator support 31
Interior, pressurize clamping jaw 321 is by the movement of manipulator support 31 and captures the carrier 5 in belt line 41, is handled by a robotic arm mechanism
32 carrying carriers to automatic tear open is closed mould and is taken on mobile phone blanking device.Manipulator Transportation mechanism 32 includes the first rodless cylinder
322nd, spill spin block 323,324 and first clamping jaw cylinder 325 of rotary cylinder;Pressurize clamping jaw 321 is installed by the first clamping jaw cylinder 325
It is drivingly connected on the first slide 326 and with the first rodless cylinder 322, the first rodless cylinder 322 drives pressurize clamping jaw first
It is moved left and right on slide 326;Spill spin block 323 is fixedly connected with the first clamping jaw cylinder 325, and rotary cylinder 324 and rotation
Block 323 is drivingly connected, and rotary cylinder 324 drives spill spin block 323 after rotating pressurize clamping jaw to be driven to be rotated;And the first clamping jaw gas
Cylinder by pressurize clamping jaw after pressurize clamping jaw drive connection with carrying out carrier crawl.The realization of Manipulator Transportation mechanism 32 moves left and right pressurize
Clamping jaw rotates carrier on 180 ° of clamping jaw crawl left and right shelf.Damping 33 is supported to include support plate connector 331 and branch support group
Plate 332, Manipulator Transportation mechanism 32 are fixedly connected by support plate with support plate connector 331, and support plate connector 331 with
Supporting substrate 332 is fixedly connected, and the bottom of supporting substrate 332 is connected by multiple rows of spring 333 with slide plate fixed block 334, and sliding
Multiple followers 335 are installed on plate fixed block 334.The pressurize clamping jaw movement that is designed as of follower 335 provides support and has
Cushioning buffer effect.
To achieve the above object, the present invention also provides a kind of full-automatic loading and unloading pressurize fixture timing cycle storage devices
Storage method tears the lifting for the elevating mechanism lifting realization hook for closing mould feeding device open and captures carrier, automatically by opening deduction
Structure dismantles the upper mold of carrier, is manually placed into mobile phone;Upper mold is pushed to close carrier upper mold by conjunction buckle mechanism, and by gripper
Structure captures carrier and places in the belt line of storing frame equipments for goods;
Carrier moved in belt line and be moved to close to it is automatic tear open close mould and take on mobile phone blanking device when, pressed from both sides by pressurize
Carrier in pawl crawl belt line is handled by a robotic arm mechanism and carries the carrier to automatic tear open and closes mould and take mobile phone blanking device
On;
It is closed mould by tearing open automatically mobile phone blanking device is taken to dismantle to move to mobile phone absorption on blanking assembly line after upper mold and flow into
Next station, and carrier is closed and flowed on carrier return wire.
The improvement of the present invention, realization can automatic clamping and placing, therefore accurately control the time of pressurize;Meanwhile it avoids artificial
It goes to operate, has achieved the effect that work efficiency height and Portable safety.
Disclosed above is only several specific embodiments of the present invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think variation should all fall into protection scope of the present invention.