CN105269850B - Combined lead screw driving device - Google Patents
Combined lead screw driving device Download PDFInfo
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- CN105269850B CN105269850B CN201510763939.8A CN201510763939A CN105269850B CN 105269850 B CN105269850 B CN 105269850B CN 201510763939 A CN201510763939 A CN 201510763939A CN 105269850 B CN105269850 B CN 105269850B
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Abstract
The invention discloses a combined lead screw driving device. The combined lead screw driving device comprises an upper cross beam and a base plate. The upper cross beam and the base plate are connected through screws, so that a box is formed. A sliding lead screw penetrates through the middle of the upper cross beam. The bottom of the sliding lead screw is connected with the base plate. Two sets of guide columns and rolling lead screws are arranged and are axially symmetrical relative to the sliding lead screw. The two sets of guide columns and the rolling lead screws are both arranged in a diagonal mode. The sliding lead screw and the two sets of guide columns and rolling lead screws all penetrate through a driving sliding block. The driving sliding block can move up and down along the sliding lead screw. According to the combined lead screw driving device, cooling is conducted in the middle of the sliding lead screw and outside a sliding nut through cooling oil or compressed air, so that overheating of a friction pair is avoided; when an upper die makes contact with a part and starts punching, a servo motor drives a sliding lead screw to rotate, the driving sliding block is driven to move up and down, the rolling lead screws driven by another servo motor can move accordingly simply by being separated from the servo motor due to the fact that the rolling lead screws are not locked automatically, and thus punching is completed; the high bearing capacity of the sliding lead screw can be achieved.
Description
Technical field
The invention belongs to metal forming machinery technical field, more particularly to a kind of compound screw rod driving device.
Background technology
Medium-and-large-sized multi-connecting rod servo press machine is generally used for the manufacture of the stamping parts such as automobile panel, auto parts machinery, possesses
The advantages of energy-saving and environmental protection and strong Technological adaptability.Using screw mandrel as driver element, transmission can be simplified, reinforcement effect is improved
Fruit is reducing servomotor moment of torsion.Adopt sliding screw more existing design, be oriented to using circle guide pillar when screw mandrel is moved.Due to
Transient peak load is born during punching press, the diameter design for causing screw mandrel is larger, helical pitch is big, is limited by material, the heat treatment of screw mandrel
The factors such as level, machining accuracy, the overall transmission efficiency of screw mandrel are generally required when running up using profit typically 0.5～0.7
Lubricating oil carries out forced cooling, so as to limit the further lifting of its rotating speed, affects the further lifting of servo pressure motor speed.
Using ball screw, although transmission efficiency can reach more than 0.9, but bearing capacity is less, it is only capable of applying in small servo
In forcing press.
The content of the invention
Goal of the invention：The invention provides a kind of compound screw rod driving device, to solve the problems of the prior art.
Technical scheme：To achieve these goals, the present invention is employed the following technical solutions：
A kind of compound screw rod driving device, including entablature and base plate, the entablature and base plate are connected by screw shape
Into casing, through there is sliding screw in the middle part of the entablature, the sliding screw bottom is connected with base plate；With sliding screw as axle
Two groups of guide pillars and rolling lead screw are symmetrically arranged with, and two groups of guide pillars and rolling lead screw are diagonally positioned；The sliding screw, two
Group guide pillar and rolling lead screw both pass through driving slide block；The driving slide block can move up and down along sliding screw.
Further, the sliding screw and rolling lead screw connect a set of separate servo-control system respectively,
During punch process, by sliding screw active exercise, rolling lead screw is followed, when slide block down and backhaul is driven, by rolling lead screw
Active exercise, sliding screw follow operation.
Further, the sliding screw is hollow screw mandrel.
Further, the sliding screw not self-locking.
Further, slip screw is provided between the sliding screw and driving slide block.
Further, the round platform bottom of the slip screw is provided with cannelure, and cannelure is arranged with spiral groove.
Further, the sliding screw is provided with first bearing seat, the first bearing seat and cunning through at entablature
Between dynamic screw mandrel, the first upper press cover, the first nut, packing ring, the first self-aligning thrust roller bearing, depth are from top to bottom disposed with
Ditch ball bearing, the second self-aligning thrust roller bearing and the first lower cover；First nut compresses the first thrust by packing ring and adjusts
The inner ring of heart roller bearing；
First self-aligning thrust roller bearing and the second self-aligning thrust roller bearing are with the cross section of sliding screw as axle
It is mutually symmetrical with；The inner ring of first self-aligning thrust roller bearing and the second self-aligning thrust roller bearing presses against sliding screw
On step；The outer ring of first self-aligning thrust roller bearing and the second self-aligning thrust roller bearing is limited by first bearing seat
Position；
Bearing gland is installed on first deep groove ball bearing, the inner ring of first deep groove ball bearing is not spacing, the
The outer ring of one deep groove ball bearing is spacing by the end face and bearing gland in first bearing seat；
The first bearing seat is connected with the first upper press cover and the first lower cover by screw up and down, clutch shaft bearing
Seat is connected by skeleton ring up and down with sliding screw.
Further, the installing hole that the sliding screw is arranged through on driving slide block, and cunning is provided with installing hole
Dynamic screw；The aperture of the slip screw upper end is equal to drive and is slided less than the aperture for driving slide block, the aperture of slip screw lower end
The aperture of block；
Output pin is installed on four angles for driving slide block, the external push and pull system of the output pin realizes motion
Output.
Further, the driving slide block and slip screw can together move up and down on sliding screw.
Further, the sliding screw bottom is provided with the second deep groove ball bearing with base plate joint, and described second is deep
Ditch ball bearing top is provided with the first lower axle pressure cap, and the second deep groove ball bearing is arranged in passing through the first lower axle pressure cap and base plate
Step it is spacing；The first lower axle pressure cap and sliding screw contact position are provided with dust ring, and the bottom of base plate is provided with bottom
Plate lid, and on base plate cover, it is provided with fuel outlet.
Further, each through the guide pillar watt driven in slide block is installed on, guide pillar upper and lower ends are equal for two groups of guide pillars
It is connected with entablature and base plate by guide pillar gland and screw.
Further, two groups of rolling lead screws are each through the rolling screw being installed in driving slide block, the rolling
Screw mandrel top is provided with second bearing seat with entablature contact position, between the second bearing seat and sliding screw, from top to bottom
It is disposed with the second upper press cover, the second nut, the 3rd self-aligning thrust roller bearing, the 3rd deep groove ball bearing, the 4th thrust to adjust
Heart roller bearing and the second lower cover；Second nut is installed on the inner ring of the 3rd self-aligning thrust roller bearing；
3rd self-aligning thrust roller bearing and the 4th self-aligning thrust roller bearing are with the cross section of sliding screw as axle
It is mutually symmetrical with；The inner ring of the 4th self-aligning thrust roller bearing is pressed on the step of sliding screw, the 3rd deep-groove ball axle
The inner ring for holding is installed on the optical axis of rolling lead screw；3rd self-aligning thrust roller bearing, the 3rd deep groove ball bearing and the 4th
The outer ring of self-aligning thrust roller bearing is spacing by second bearing seat；
Further, the second bearing seat is connected with the second upper press cover and the second lower cover by screw up and down
Connect, second bearing seat and sliding screw are connected by skeleton ring up and down；And rolling lead screw not self-locking.
Further, the rolling lead screw together can move up and down together with screw is rolled.
Further, the rolling lead screw bottom is provided with biserial deep groove ball bearing, the biserial deep groove ball bearing it is upper
Portion is provided with the second lower axle pressure cap, and the outer ring of the biserial deep groove ball bearing is arranged in passing through the second lower axle pressure cap and base plate
Step it is spacing, the second lower axle pressure cap and sliding screw contact position are provided with dust ring, and the bottom of the base plate is installed
Have on blanking cover, and blanking cover and be provided with fuel outlet.
Beneficial effect：The present invention leads to cooling oil in the middle part of sliding screw and outside slip screw or compressed air is forced
Cooling, it is to avoid friction pair it is overheated；Meanwhile, in punching press, servomotor drives sliding screw rotation directly or by reducing gear
Turn, while driving driving slide block to move up and down, the rolling lead screw driven by another set of servomotor, due to rolling lead screw uncertainly
Servomotor need to only be disengaged by lock, you can realization is followed in motion, and then drives main slip by push and pull system, complete
Into press work, the high bearing capacity of sliding screw can be realized；In non punching process（Slide block down and backhaul）When, by servo
Motor-driven rolling lead screw drives and drives slide block, and now, due to sliding screw not self-locking, what is be directly or indirectly connected therewith watches
Take motor disengagement, you can realization is followed in motion, due to rolling lead screw transmission efficiency, reduces heating.So as to
The further raising of drawing velocity is realized enough.
The rolling lead screw rotation of servomotor driving in slide block down and backhaul, is only relied on, moving component is driven（Including
Slipper, driving slide block, leverage part etc.）, sliding screw due to not self-locking, only motion accompanying（Now, it is attached thereto
Servomotor disengage）, the load of sliding screw is reduced, so as to reduce the caloric value of friction pair so that pressure motor speed
Can be lifted.
Description of the drawings
Fig. 1 is the top view of the present invention；
Fig. 2 is the A-A sectional views of the present invention；
Fig. 3 is in A-A sectional views of the invention I partial enlarged drawing；
Fig. 4 is in A-A sectional views of the invention II partial enlarged drawing；
Fig. 5 is in A-A sectional views of the invention III partial enlarged drawing；
Fig. 6 is the B-B sectional views of the present invention；
Fig. 7 is in B-B sectional views of the invention IV partial enlarged drawing；
Fig. 8 is in B-B sectional views of the invention V partial enlarged drawing；
Fig. 9 is the structural representation of slip screw of the present invention；
Wherein：1- entablatures, 2- base plates, 3- drive slide block, 4- output pins, 5- sliding screws, the first upper press covers of 6-, 7- the
One nut, 8- packing rings, the first self-aligning thrust roller bearings of 9-, the first deep groove ball bearings of 10-, 11- bearing glands, 12- second are pushed away
Power self-aligning roller bearing, the first lower covers of 13-, 14- slip screws, 141- cannelures, 142- spiral grooves, under 15- first
Bearing gland, the second deep groove ball bearings of 16-, 17- base plate covers, 18- guide pillars, 19- guide pillars watt, 20- guide pillar glands, 21- roll silk
Bar, 22- roll screw, the second upper press covers of 23-, the second nuts of 24-, the 3rd self-aligning thrust roller bearings of 25-, the 3rd zanjons of 26-
Ball bearing, the second lower covers of 27-, 28- second bearing seats, 29- the second lower axle pressure caps, 30- biserial deep groove ball bearings, 31- are blocked up
Lid, 32- first bearing seats, the 4th self-aligning thrust roller bearings of 33-.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is further described.
As Figure 1-4, a kind of compound screw rod driving device, including entablature 1 and base plate 2, the entablature 1 and base plate
2 are connected by screw to form casing, through there is a sliding screw 5 in the middle part of the entablature 1,5 bottom of the sliding screw and base plate 2
Connect；Axial symmetry is provided with two groups of guide pillars 18 and rolling lead screw 21, and two groups of guide pillars 18 and rolling lead screw 21 of sliding screw 5
It is diagonally positioned；5, two groups of guide pillars 18 of the sliding screw and rolling lead screw 21 both pass through driving slide block 3；The driving slide block
3 can move up and down along sliding screw 5.
The sliding screw 5 and rolling lead screw 21 connect a set of separate servo-control system respectively, in punching press plus
In man-hour, by 5 active exercise of sliding screw, rolling lead screw 21 is driven, when descending slide block 3 and backhaul is driven, by rolling lead screw 21
Active exercise, 5 slave operation of sliding screw.
The sliding screw 5 is hollow screw mandrel.
5 not self-locking of the sliding screw.
Slip screw 14 is provided between the sliding screw 5 and driving slide block 3.
The round platform bottom of the slip screw 14 is provided with cannelure 141, and cannelure 141 is arranged with spiral groove
142。
The sliding screw 5 is provided with first bearing seat 32, the first bearing seat 32 and slip silk through at entablature 1
Between bar 5, be from top to bottom disposed with the first upper press cover 6, the first nut 7, packing ring 8, the first self-aligning thrust roller bearing 9,
Deep groove ball bearing 10, the second self-aligning thrust roller bearing 12 and the first lower cover 13；First nut 7 is compressed by packing ring 8
The inner ring of the first self-aligning thrust roller bearing 9；
First self-aligning thrust roller bearing 9 and the second self-aligning thrust roller bearing 12 are with the cross section of sliding screw 5
It is mutually symmetrical with for axle；The inner ring of first self-aligning thrust roller bearing 9 and the second self-aligning thrust roller bearing 12 presses against cunning
On the step of dynamic screw mandrel 5；The outer ring of first self-aligning thrust roller bearing 9 and the second self-aligning thrust roller bearing 12 passes through
First bearing seat 32 is spacing；
Bearing gland 11 is installed on first deep groove ball bearing 10, the inner ring of first deep groove ball bearing 10 is not limited
Position, the outer ring of the first deep groove ball bearing 10 are spacing by the end face and bearing gland 11 in first bearing seat 32；
The first bearing seat 32 is connected with the first upper press cover 6 and the first lower cover 13 by screw up and down, and
One bearing block 32 and sliding screw 5 are connected by skeleton ring up and down.
The installing hole that the sliding screw 5 is arranged through on driving slide block 3, and slip screw is provided with installing hole
14；The aperture of 14 upper end of slip screw is equal to drive and is slided less than the aperture for driving slide block 3, the aperture of 14 lower end of slip screw
The aperture of block 3；
Output pin 4 is installed on four angles for driving slide block 3,4 external push and pull system of the output pin realizes motion
Output.
The driving slide block 3 and slip screw 14 can together move up and down on sliding screw 5.
5 bottom of the sliding screw is provided with the second deep groove ball bearing 16, the second deep-groove ball axle with 2 joint of base plate
Hold 16 tops and the first lower axle pressure cap 15 is installed, the second deep groove ball bearing 16 is by the first lower axle pressure cap 15 and base plate 2
The step of setting is spacing；The first lower axle pressure cap 15 and 5 contact position of sliding screw are provided with dust ring, the bottom of base plate 2
It is provided with base plate cover 17, and base plate cover 17 and is provided with fuel outlet.
As shown in figs 6-8, two groups of guide pillars 18 are each through the guide pillar watt 19 being installed in driving slide block 3, guide pillar 18
Upper and lower ends pass through guide pillar gland 20 and screw is connected with entablature 1 and base plate 2.
Two groups of rolling lead screws 21 are each through the rolling screw 22 being installed in driving slide block 3, the rolling lead screw
21 tops are provided with second bearing seat 28 with 1 contact position of entablature, between the second bearing seat 28 and sliding screw 5, by upper
The second upper press cover 23, the second nut 24, the 3rd self-aligning thrust roller bearing 25, the 3rd deep groove ball bearing are disposed with
26th, the 4th self-aligning thrust roller bearing 33 and the second lower cover 27；Second nut 24 is installed on the 3rd thrust force aligning roller
The inner ring of bearing 25；
3rd self-aligning thrust roller bearing 25 and the 4th self-aligning thrust roller bearing 33 are with the cross section of sliding screw 5
It is mutually symmetrical with for axle；The inner ring of the 4th self-aligning thrust roller bearing 33 is pressed on the step of sliding screw 5, and the described 3rd is deep
The inner ring of ditch ball bearing 26 is installed on the optical axis of rolling lead screw 21；3rd self-aligning thrust roller bearing 25, the 3rd zanjon
The outer ring of ball bearing 26 and the 4th self-aligning thrust roller bearing 33 is spacing by second bearing seat 28；
The second bearing seat 28 is connected with the second upper press cover 23 and the second lower cover 27 by screw up and down, and
Two bearing bracket 28 and sliding screw 5 are connected by skeleton ring up and down；And 21 not self-locking of rolling lead screw.
The rolling lead screw 21 together can move up and down together with screw 22 is rolled.
21 bottom of the rolling lead screw is provided with biserial deep groove ball bearing 30, the top peace of the biserial deep groove ball bearing 30
Equipped with the second lower axle pressure cap 29, the outer ring of the biserial deep groove ball bearing 30 is by the second lower axle pressure cap 29 and base plate 2
The step of setting is spacing, and the second lower axle pressure cap 29 and 5 contact position of sliding screw are provided with dust ring, the base plate 2
Bottom is provided with blanking cover 31, and blanking cover 31 and is provided with fuel outlet.
The driving slide block 3 is parallel to entablature 1 and base plate 2；The sliding screw 5 and two groups of guide pillars 18 and rolling lead screw
21 is parallel.
The present invention is controlled using two sets of independent servo-control systems, in punch process, by 5 device of sliding screw
Active exercise, rolling lead screw 21 is due to not self-locking, it is possible to achieve location following, driving that slide block 3 is descending and during backhaul, by rolling
21 device active exercise of screw mandrel, the not self-locking device slave operation of sliding screw 5.The high-mechanic of sliding screw 5 can be given full play to
The high transmission efficiency advantage of power and rolling lead screw 21.Sliding screw therein 5 be hollow structure, the annular of 14 bottom of slip screw
Groove and the spiral groove for communicating therewith, are easy to be lowered the temperature using compressed air or coolant, to realize the further of speed
Improve.
This by screw mandrel is moved in stamped area separated with non punching region, carried out using two sets of servosystem
It is operated alone, gives full play to 5 respective advantage of rolling lead screw 21 and sliding screw, reduces caloric value when screw mandrel is moved, while
Change the lubricating system of screw pair, so as to the further lifting for servo-pressing machine rotating speed lays the foundation.
Non punching region refers to slide block down（Upper mould is run to from top dead-centre（It is connected with slide block）Contact stamping parts）And
Backhaul region（Top dead-centre is returned to from bottom dead centre）.Stamped area is referred to from the upper mould being connected with slide block and contacts workpiece to slide block
Run to bottom dead centre.
In punching press, main servo motor（It is not drawn into）Directly or by reducing gear（It is not drawn into）Sliding screw 5 is driven to revolve
Turn, and then drive slip screw 14 and drive slide block 3 to move up and down, passed motion to by driving the output pin 4 in slide block 3
Push and pull system（It is not drawn into）, realize punching press.Simultaneously, due to two little servomotors（It is not drawn into）, or same servo electricity
Machine drives the one group of rolling lead screw 21 for connecting respectively, and 21 not self-locking of rolling lead screw simultaneously, when servomotor is disengaged, can realize
Displacement to sliding screw 5 is followed.Likewise, when non punching interval drives descending slide block 3 and backhaul, two little servomotors
（It is not drawn into）, or same servomotor is while be driven through synchronous driving rolling lead screw 21, drive master slider（It is not drawn into）, connecting rod
System（It is not drawn into）And drive 3 active exercise of slide block, main servo motor（It is not drawn into）Then followed in motion.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on being protection scope of the present invention.
Claims (5)
1. a kind of compound screw rod driving device, including entablature (1) and base plate (2), the entablature (1) and base plate (2) pass through
Mode connects for screw forms casing, it is characterised in that：Running through in the middle part of the entablature (1) has sliding screw (5), the sliding screw
(5) bottom is connected with base plate (2)；Axial symmetry is provided with two groups of guide pillars (18) and rolling lead screw (21) of sliding screw (5), and
Two groups of guide pillars (18) and rolling lead screw (21) are diagonally positioned；The sliding screw (5), two groups of guide pillars (18) and rolling lead screw
(21) both pass through driving slide block (3)；Driving slide block (3) can move up and down along sliding screw (5)；
Two groups of guide pillars (18) are each through the guide pillar watt (19) being installed in driving slide block (3), guide pillar (18) upper and lower ends
It is connected with entablature (1) and base plate (2) respectively；
Two groups of rolling lead screws (21) are each through the rolling screw (22) being installed in driving slide block (3), the rolling silk
Bar (21) top is provided with second bearing seat (28) with entablature (1) contact position；
Rolling lead screw (21) bottom is provided with biserial deep groove ball bearing (30), the top of the biserial deep groove ball bearing (30)
Second lower axle pressure cap (29) is installed, the outer ring of the biserial deep groove ball bearing (30) pass through the second lower axle pressure cap (29) and
The step arranged in base plate (2) is spacing.
2. compound screw rod driving device according to claim 1, it is characterised in that：The sliding screw (5) and rolling silk
Bar (21) connects a set of separate servo-control system respectively, in punch process, by sliding screw (5) active exercise,
Rolling lead screw (21) is followed, when descending slide block (3) and backhaul is driven, by rolling lead screw (21) active exercise, sliding screw (5)
Follow operation.
3. compound screw rod driving device according to claim 1, it is characterised in that：The sliding screw (5) is hollow
Screw mandrel.
4. compound screw rod driving device according to claim 1, it is characterised in that：The sliding screw (5) not self-locking.
5. compound screw rod driving device according to claim 1, it is characterised in that：The sliding screw (5) is slided with driving
Slip screw (14) is provided between block (3)；The round platform bottom of the slip screw (14) is provided with cannelure (141), annular
Groove (141) is arranged with spiral groove (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763939.8A CN105269850B (en) | 2015-11-11 | 2015-11-11 | Combined lead screw driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763939.8A CN105269850B (en) | 2015-11-11 | 2015-11-11 | Combined lead screw driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105269850A CN105269850A (en) | 2016-01-27 |
| CN105269850B true CN105269850B (en) | 2017-04-19 |
Family
ID=55140097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510763939.8A Active CN105269850B (en) | 2015-11-11 | 2015-11-11 | Combined lead screw driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105269850B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734509B (en) * | 2016-12-30 | 2019-02-12 | 江苏扬力数控机床有限公司 | A kind of NC turret punch machine differential type electricity plunger mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179749A (en) * | 1999-12-27 | 2001-07-03 | Sato Tekkosho:Kk | Molding die clamping device |
| CN102275321A (en) * | 2011-06-01 | 2011-12-14 | 华中科技大学 | Servo-pressing thermoforming machine for low melting point sheet material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1197795B (en) * | 1985-08-05 | 1988-12-06 | Kubushiki Kaisha Mitsuishi Fuk | SCREW PRESS |
| JP3953414B2 (en) * | 2002-12-11 | 2007-08-08 | 株式会社東洋工機 | Reciprocating drive mechanism and press machine using the mechanism |
| CN203805339U (en) * | 2014-05-07 | 2014-09-03 | 三峡大学 | Hot press for battery packs |
| CN203994766U (en) * | 2014-07-22 | 2014-12-10 | 沧州嘉晟液压气动设备有限公司 | Electricity liquid merges servo-pressing machine |
| CN205272644U (en) * | 2015-11-11 | 2016-06-01 | 南京工程学院 | Compound lead screw drive arrangement |
-
2015
- 2015-11-11 CN CN201510763939.8A patent/CN105269850B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001179749A (en) * | 1999-12-27 | 2001-07-03 | Sato Tekkosho:Kk | Molding die clamping device |
| CN102275321A (en) * | 2011-06-01 | 2011-12-14 | 华中科技大学 | Servo-pressing thermoforming machine for low melting point sheet material |
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| Publication number | Publication date |
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| CN105269850A (en) | 2016-01-27 |
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Inventor after: Zhao Baolei Inventor before: Lu Xinjian |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171106 Address after: 221100 office building 11, Zhujiang East Road, Xuzhou hi tech Industrial Development Zone, Jiangsu, 715 Patentee after: Jiangsu branch Intelligent Technology Co., Ltd. Address before: 1 No. 211167 Jiangsu city of Nanjing province Jiangning Science Park Hongjing Road Patentee before: Nanjing Institute of Technology |
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Effective date of registration: 20190107 Address after: 221000 Software Park E2-1328, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Aiqi Robot Technology Co Ltd Address before: Room 715, Office Building No. 11 Zhujiang East Road, Xuzhou High-tech Industrial Development Zone Patentee before: Jiangsu branch Intelligent Technology Co., Ltd. |