CN207684324U - Accurate needle roller conveyor chain assembly - Google Patents
Accurate needle roller conveyor chain assembly Download PDFInfo
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- CN207684324U CN207684324U CN201720262830.0U CN201720262830U CN207684324U CN 207684324 U CN207684324 U CN 207684324U CN 201720262830 U CN201720262830 U CN 201720262830U CN 207684324 U CN207684324 U CN 207684324U
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- module
- traction
- preload
- side plate
- track
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Abstract
A kind of precision needle roller conveyor chain assembly, including traction module, preload module, are equipped with several groups standardized module between the traction module, preload module, the traction module side is equipped with the accurate dispenser for driving it to rotate；The traction module pre-tightens module, standardized module equipped with a carrier chain, and the carrier chain is under the driving of traction module along traction module, standardized module, preload Module cycle linear motion；Traction module rotation is driven by accurate dispenser, is moved along a straight line along cycle by traction module driving carrier chain, improves the delivery precision of carrier chain；Standardized module can according to circumstances increased or decrease its number, to reach suitable length, realize standardization, modularized design, greatly improve practical and promote；The elastic delivery precision for further improving carrier chain can be adjusted according to the actual conditions of carrier chain by pre-tightening module.
Description
Technical field
The utility model is related to a kind of conveyor chain assembly, more particularly to a kind of accurate needle roller conveyor chain assembly.
Background technology
Assembly line is also known as assembly line, a kind of industrial mode of production, refer to each production unit be only absorbed in processing certain
The work of one segment, to improve working efficiency and yield.Can substantially it be divided into according to the mode of movement of assembly line：Belt flowing water
This seven classes assembly line of assembly line, plate chain line, double-speed chain, plug-in unit line, guipure line, suspension line and roller assembly line.It generally comprises and leads
Draw the compositions such as part, bearing carrier, driving device, swelling device, change course device and supporting member.Current flowing water used on the market
Line mostly uses greatly synchronous belt or carrier chain both assembly lines, and the structure of assembly line is relatively simple, cannot extend expansion, greatly
Ground has limited to using and popularizing for assembly line, and use is rear easy to wear for a long time for assembly line, greatly increases assembly line
Later maintenance cost.
Invention content
Utility model aims to solve the deficiencies in the prior art, the utility model provide one kind can modularization set
Meter can increased or decrease that pipeline length, overall dimensions are smaller, delivery precision is high, later maintenance cost is low according to actual conditions
Accurate needle roller conveyor chain assembly.
Technical solution adopted by the utility model to solve its technical problems is：A kind of precision needle roller conveyor chain assembly,
Including traction module, module is pre-tightened, several groups standardized module, the traction are equipped between the traction module, preload module
Module side is equipped with the accurate dispenser for driving it to rotate；The traction module, preload module, standardized module are equipped with
One carrier chain, the carrier chain is under the driving of traction module along traction module, standardized module, preload Module cycle straight line fortune
It is dynamic.
Using the above structure, by the way that traction module is arranged, standardized module, pre-tightens module, traction module is connected with precision
Dispenser drives its rotation, in traction module, pre-tightens module, carrier chain is arranged on standardized module, driven by traction module
Carrier chain drives traction module to turn along traction module, standardized module, preload Module cycle linear motion by accurate dispenser
Dynamic, traction module drives carrier chain conveying, improves the delivery precision of carrier chain；Wherein standardized module can be according to practical institute
The case where use, increaseds or decreases its number, to reach suitable length, realizes standardization, the mould of conveyor chain assembly
Blockization designs, and greatly improves the practicality of conveyor chain assembly and promotes；Pre-tightening module can be according to the actual conditions of carrier chain
Adjust the elastic delivery precision for further improving carrier chain.
Preferably, the traction module include connector sleeve, divided wheel, traction side plate, traction track, the connector sleeve with
Accurate dispenser is connected, and the divided wheel is sheathed on connector sleeve and is evenly distributed on divided wheel tooth socket, the divided wheel
It is connected with carrier chain by tooth socket, the divided wheel is set between traction side plate and is equipped with bearing between traction side plate,
The traction track is arranged in parallel in both sides up and down of divided wheel and tangent with divided wheel.Using the above structure, by that will connect
Set is connected with accurate dispenser, and is arranged the divided wheel with tooth socket on connector sleeve to draw the transmission of carrier chain, indexes
Wheel only rotates the angle of a tooth socket every time under the driving of accurate dispenser, to drive carrier chain straight line one tooth socket of conveying
Length greatly improves the delivery precision of carrier chain.
Preferably, the preload module includes pre-tightening flange, pre- bearing up pulley, pre-tightening side plate, pre-tighten track, backstand, institute
State preload wheel and be sheathed on and pre-tighten on flange, the pre- bearing up pulley and outer ring and carrier chain abut against, the preloads flange is arranged
Between pre-tightening side plate, the preload parallel track is set to the both sides up and down of pre- bearing up pulley and, the tensioning tangent with pre- bearing up pulley
Seat, which is set to, to be pre-tightened on side plate, and the backstand is equipped with and pre-tightens the adjusting screw that abuts against of flange, in the adjusting screw
Equipped with adjusting nut.Using the above structure, by the setting preload flange on pre-tightening side plate, it is arranged on pre-tightening flange and pre-tightens
Wheel, outer ring and the carrier chain of pre- bearing up pulley abut against, and backstand is arranged on pre-tightening side plate, are arranged for adjusting on backstand
Pre- bearing up pulley and the elastic adjusting screw of carrier chain and adjusting nut, ensure that smooth between carrier chain and conveyor chain assembly
Property, improve the precision that carrier chain conveys on conveyor chain assembly.
Preferably, the standardized module includes intermediate orbit, the intermediate orbit and traction track, preload track are equal
It is in the same plane.Using said mechanism, by intermediate orbit and traction track, pre-tighten track be disposed on the same plane so that
Carrier chain conveying is got up more smooth.
Preferably, the intermediate orbit, traction track, preload track include rail bed, track side plate, the rail
Road side plate is set to rail bed both sides, the track side plate and traction side plate, the equal position of preload side plate by the first attachment screw
In on same plane, the rail bed row is equipped with lower guideway, is equipped on the upside of the track side plate and is set by the second attachment screw
There is pressing plate, side rails are formed between the pressing plate and pedestal.Using the above structure, it is limited by the way that side rails and lower guideway is arranged
The degree of freedom of carrier chain can eliminate the gap coordinated between carrier chain and divided wheel so that carrier chain is accurately limited and fitted
The application that shock loading changes greatly is answered to also reduce noise and friction of the carrier chain in conveying to reach accurate conveying, improve
Transmission efficiency.
Preferably, the carrier chain is mutually spliced by several groups link body, front and back the two of the link body
Side is respectively arranged with interconnecting piece and embedded division, and the embedded division on the link body is set to the company of link body adjacent thereto
In socket part.Using the above structure, by increasing or reducing the quantity of link body the length of carrier chain is matched
Length between traction module, standardized module, preload module, greatly improves the popularization and application of conveyor chain assembly.
Preferably, being connected with embedded division across its interconnecting piece by a mandrel between link body described in two adjacent groups
It connects, is equipped in the both side ends of interconnecting piece equipped with the single-row needle bearing of no inner ring, the mandrel between the mandrel and interconnecting piece
Needle bearing in the tooth socket of side rails or divided wheel；The bottom of the link body is equipped with the belt carcass being located in lower guideway
The both sides of axis needle bearing, the link body are equipped with for the fixed lock-screw with mandrel needle bearing.Using above-mentioned knot
Structure, compared to single sleeve of conventional sleeve roller chain and the clearance fit of roller, link body both sides are all made of needle bearing, bottom
Portion is conveyed using two symmetrical band mandrel needle bearings, can more effectively improve the rigidity of link body, and mandrel
Equipped with the single-row needle bearing of no inner ring between interconnecting piece, to ensure to be driven efficient and precision.
Preferably, the mandrel and without between the single-row needle bearing of inner ring, between mandrel and needle bearing be interference
Cooperation, the mandrel are equipped with oil guide groove, and the embedded division of the link body is equipped with relative at the oil guide groove on mandrel as it
The lubricating cup of fuel feeding.Using the above structure, due to mandrel and without between the single-row needle bearing of inner ring, between mandrel and needle bearing
For interference fit, when link body is bent and stretched, needle bearing can solely be freely rotated without the single-row needle bearing of inner ring around mandrel,
Play a part of hinge；And needle bearing can be effectively reduced provided with lubricating cup, without the single-row needle bearing of inner ring and mandrel
Abrasion, prolongs the service life.
Preferably, the standardized module is set to connection slot towards module side is pre-tightened, towards traction module side
Equipped with coupling block, the traction module is equipped with access slot, and the preload module is equipped with coupling block, the traction module, preload
It is connected by connection slot, coupling block between module, standardized module.Using the above structure, by connection slot and coupling block into
Row splicing traction module, pre-tightens module at standardized module, greatly facilitates the assembling of conveyor chain assembly and uses.
Preferably, the side side wall of accurate dispenser is arranged towards traction module for the preload module, standardized module
On be equipped with height-adjustable mounting seat.Using the above structure, mounting seat can be adjusted according to different environment
Highly, the use of conveyor chain assembly is greatly facilitated.
The utility model have can modularized design, pipeline length, whole ruler can be increasedd or decreased according to actual conditions
The very little smaller, advantages such as delivery precision is high, later maintenance cost is low.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is a kind of vertical view of the utility model embodiment；
Fig. 3 is a kind of side view of the utility model embodiment；
Fig. 4 is the A-A sectional views of the utility model Fig. 1；
Fig. 5 is the explosive view of the utility model carrier chain.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment：
A kind of accurate needle roller conveyor chain assembly as shown in Figures 1 to 5, including traction module 1, preload module 2, it is described
Several groups standardized module 3 is equipped between traction module 1, preload module 2,1 side of the traction module is equipped with for driving it
The accurate dispenser 4 of rotation；The traction module 1 pre-tightens module 2, standardized module 3 equipped with a carrier chain 5, the conveying
Chain 5 is under the driving of traction module 1 along traction module 1, standardized module 3, the preload cycle linear motion of module 2；Pass through setting
Traction module 1, pre-tightens module 2 at standardized module 3, and traction module 1 is connected with accurate dispenser 4 to drive its rotation, is leading
Draw module 1, pre-tighten module 2, carrier chain 5 is set on standardized module 3, drives carrier chain 5 along traction module by traction module 1
1, standardized module 3, the preload cycle linear motion of module 2, drive traction module 1 to rotate, traction module 1 by accurate dispenser 4
It drives carrier chain defeated 5 to send, improves the delivery precision of carrier chain 5；Wherein standardized module 3 can be according to feelings used in reality
Condition increaseds or decreases its number, to reach suitable length, realizes the standardization of conveyor chain assembly, modularization is set
Meter, greatly improves the practicality of conveyor chain assembly and promotes；Pre-tightening module 2 can adjust according to the actual conditions of carrier chain 5
The elastic delivery precision for further improving carrier chain 5；The preload module 2, standardized module 3 are arranged towards traction module 1
It is equipped with height-adjustable mounting seat 8 on the side side wall of accurate dispenser 4, peace can be adjusted according to different environment
The height for filling pedestal 8, greatly facilitates the use of conveyor chain assembly.
The traction module 1 includes connector sleeve 11, divided wheel 12, traction side plate 13, traction track 14, the connector sleeve
11 are connected with accurate dispenser 4, and the divided wheel 12 is sheathed on connector sleeve 11 and is evenly distributed with tooth socket on divided wheel 12
121, the divided wheel 12 is connected by tooth socket 121 with carrier chain 5, the divided wheel 12 be set to traction side plate 13 between and
Traction side plate 13 between be equipped with bearing 15, the traction track 14 be arranged in parallel in the both sides up and down of divided wheel 12 and with point
Degree wheel 12 is tangent, by the way that connector sleeve 11 is connected with accurate dispenser 4, and is arranged with tooth socket 121 on connector sleeve 11
Divided wheel 12 draws the transmission of carrier chain 5, and divided wheel 12 only rotates a tooth socket 121 every time under the driving of accurate dispenser 4
Angle, to drive 5 straight line of carrier chain convey a tooth socket 121 length, greatly improve the delivery precision of carrier chain.
The preload module 2 includes pre-tightening flange 21, pre- bearing up pulley 22, pre-tightening side plate 23, pre-tighten track 24, backstand 25,
The pre- bearing up pulley 22 is sheathed on pre-tightens on flange 21, the pre- bearing up pulley 22 and outer ring and carrier chain 5 abut against, it is described pre-
Tight flange 21 is set to pre-tighten side plate 23 between, it is described pre-tighten track 24 be arranged in parallel in pre- bearing up pulley 22 both sides up and down and with it is pre-
Bearing up pulley 22 is tangent, and the backstand 25, which is set to, to be pre-tightened on side plate 23, and the backstand 25 is equipped with to offset with preload flange 21
The adjusting screw 26 connect, the adjusting screw 26 are equipped with adjusting nut 27；Pass through the setting preload flange on pre-tightening side plate 23
21, pre- bearing up pulley 22 is set on pre-tightening flange 21, outer ring and the carrier chain 5 of pre- bearing up pulley 22 abut against, and on pre-tightening side plate 23
Backstand 25 is set, and setting is for adjusting pre- bearing up pulley 22 and the elastic adjusting screw 26 of carrier chain 5 and adjusting on backstand 25
Nut 27 ensure that the planarization between carrier chain 5 and conveyor chain assembly, improve carrier chain 5 on conveyor chain assembly
The precision of conveying.
The standardized module 3 includes intermediate orbit 31, and the intermediate orbit 31 and traction track 14, preload track 24 are equal
It is in the same plane；Intermediate orbit 31 and traction track 14, preload track 24 are disposed on the same plane so that carrier chain
5 conveyings are got up more smooth.The intermediate orbit 31, traction track 14 pre-tighten track 24 including rail bed 61, rail side
Plate 62, the track side plate 62 are set to 61 both sides of rail bed by the first attachment screw 63, the track side plate 62 with lead
Draw side plate 13, pre-tighten side plate 23 be respectively positioned on same plane, 61 row of the rail bed be equipped with lower guideway 64, the track side plate
62 upsides are equipped with is equipped with pressing plate 66 by the second attachment screw 65, and side rails 67 are formed between the pressing plate 66 and pedestal 61；It is logical
It crosses setting side rails 67 and lower guideway 64 carrys out the degree of freedom of limit transport chain 5 can eliminate and coordinate between carrier chain 5 and divided wheel 12
Gap so that carrier chain 5 is accurately limited and is adapted to shock loading and changes big application, to reach accurate conveying,
Noise and friction of the carrier chain 5 in conveying are reduced, transmission efficiency is improved.
The carrier chain 5 is mutually spliced by several groups link body 51, the front and rear sides point of the link body 51
It is not provided with interconnecting piece 52 and embedded division 53, the embedded division 53 on the link body 51 is set to link body adjacent thereto
In 51 interconnecting piece 52；It is led by increasing or reducing the quantity of link body 51 to enable the length of carrier chain 5 to match
Draw module 1, standardized module 3, pre-tighten length between module 2, greatly improves the popularization of conveyor chain assembly and answer
With.
It is connected with embedded division 53 across its interconnecting piece 52 by a mandrel 54 between link body 51 described in two adjacent groups,
Equipped with the single-row needle bearing 55 of no inner ring, two side ends of the mandrel 54 in interconnecting piece 52 between the mandrel 54 and interconnecting piece 52
Portion is equipped with the needle bearing 56 in the tooth socket 121 of side rails 67 or divided wheel 12；The bottom of the link body 51 is equipped with
The both sides of band mandrel needle bearing 57 in lower guideway 64, the link body 51 are equipped with for fixed band mandrel needle roller axis
Hold 57 lock-screw 58；Compared to single sleeve of conventional sleeve roller chain and the clearance fit of roller, 51 both sides of link body
It is all made of needle bearing 56, bottom is conveyed using two symmetrical band mandrel needle bearings 57, can more effectively be improved
The rigidity of link body 51, and equipped with the single-row needle bearing 55 of no inner ring between mandrel 54 and interconnecting piece 52, to ensure that transmission is high
Effect and precision.
The mandrel 54 and without between the single-row needle bearing of inner ring 55, between mandrel 54 and needle bearing 56 be interference
Cooperation, the mandrel 54 are equipped with oil guide groove 541, and the embedded division 53 of the link body 51 is relative to the oil guide groove on mandrel 54
The lubricating cup 59 for its fuel feeding is equipped at 541；Due to mandrel 54 and without between the single-row needle bearing of inner ring 55, mandrel 54 and needle roller axis
It is interference fit between holding 56, when link body 51 is bent and stretched, needle bearing 56, can without the single-row needle bearing of inner ring 55
It is solely freely rotated around mandrel 54, plays a part of hinge；And needle bearing 56 can be effectively reduced provided with lubricating cup 59, without in
The abrasion for enclosing single-row needle bearing 55 and mandrel 54, prolongs the service life.
The standardized module 3 is set to connection slot 71 towards 1 side of traction module, is equipped with towards 2 side of module is pre-tightened
Coupling block 72, the traction module 1 are equipped with connection slot 71, and the preload module 2 is equipped with coupling block 72, the traction mould
It is connected by connection slot 41, coupling block 72 between block 1, preload module 2, standardized module 3；Pass through connection slot 71 and coupling block
72 carry out splicing traction module 1, standardized module 3, pre-tighten module 2, greatly facilitate the assembling of conveyor chain assembly and use.
The utility model have can modularized design, pipeline length, whole ruler can be increasedd or decreased according to actual conditions
The very little smaller, advantages such as delivery precision is high, later maintenance cost is low.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, on the premise of not exceeding the technical scheme recorded in the claims also other variations and modifications.
Claims (10)
1. a kind of precision needle roller conveyor chain assembly, it is characterised in that：Including traction module（1）, pre-tighten module（2）, described to lead
Draw module（1）, pre-tighten module（2）Between be equipped with several groups standardized module（3）, the traction module（1）Side is equipped with and is used for
The accurate dispenser for driving it to rotate（4）；The traction module（1）, pre-tighten module（2）, standardized module（3）It is defeated to be equipped with one
Send chain（5）, the carrier chain（5）In traction module（1）Driving under along traction module（1）, standardized module（3）, pre-tighten mould
Block（2）Cycle linear motion.
2. precision needle roller conveyor chain assembly according to claim 1, it is characterised in that：The traction module（1）Including
Connector sleeve（11）, divided wheel（12）, traction side plate（13）, traction track（14）, the connector sleeve（11）With accurate dispenser（4）
It is connected, the divided wheel（12）It is sheathed on connector sleeve（11）Upper and divided wheel（12）On be evenly distributed with tooth socket（121）, described
Divided wheel（12）Pass through tooth socket（121）With carrier chain（5）It is connected, the divided wheel（12）It is set to traction side plate（13）Between
And with traction side plate（13）Between be equipped with bearing（15）, the traction track（14）It is arranged in parallel in divided wheel（12）Up and down two
Side and and divided wheel（12）It is tangent.
3. precision needle roller conveyor chain assembly according to claim 1, it is characterised in that：The preload module（2）Including
Pre-tighten flange（21）, pre- bearing up pulley（22）, pre-tighten side plate（23）, pre-tighten track（24）, backstand（25）, the pre- bearing up pulley（22）Set
Set on preload flange（21）On, the pre- bearing up pulley（22）With outer ring and carrier chain（5）Abut against, the preload flange（21）
It is set to preload side plate（23）Between, the preload track（24）It is arranged in parallel in pre- bearing up pulley（22）Both sides up and down and with preload
Wheel（22）It is tangent, the backstand（25）It is set to preload side plate（23）On, the backstand（25）It is equipped with and pre-tightens flange
（21）The adjusting screw abutted against（26）, the adjusting screw（26）It is equipped with adjusting nut（27）.
4. precision needle roller conveyor chain assembly according to claim 2 or 3, it is characterised in that：The standardized module（3）
Including intermediate orbit（31）, the intermediate orbit（31）With traction track（14）, pre-tighten track（24）It is on same plane.
5. precision needle roller conveyor chain assembly according to claim 4, it is characterised in that：The intermediate orbit（31）, lead
Approach rail road（14）, pre-tighten track（24）It include rail bed（61）, track side plate（62）, the track side plate（62）Pass through
One attachment screw（63）It is set to rail bed（61）Both sides, the track side plate（62）With traction side plate（13）, pre-tighten side plate
（23）It is respectively positioned on same plane, the rail bed（61）Row is equipped with lower guideway（64）, the track side plate（62）Upside is set
Have through the second attachment screw（65）Equipped with pressing plate（66）, the pressing plate（66）With pedestal（61）Between form side rails（67）.
6. precision needle roller conveyor chain assembly according to claim 1, it is characterised in that：The carrier chain（5）By several
Group link body（51）Mutually it is spliced, the link body（51）Front and rear sides be respectively arranged with interconnecting piece（52）With it is embedding
Enter portion（53）, the link body（51）On embedded division（53）It is set to link body adjacent thereto（51）Interconnecting piece
（52）It is interior.
7. precision needle roller conveyor chain assembly according to claim 6, it is characterised in that：Link body described in two adjacent groups
（51）Between pass through a mandrel（54）Across its interconnecting piece（52）And embedded division（53）It is connected, the mandrel（54）With interconnecting piece
（52）Between equipped with the single-row needle bearing of no inner ring（55）, the mandrel（54）In interconnecting piece（52）Both side ends be equipped be located at
Side rails（67）Or divided wheel（12）Tooth socket（121）Interior needle bearing（56）；The link body（51）Bottom be equipped with
Positioned at lower guideway（64）Interior band mandrel needle bearing（57）, the link body（51）Both sides be equipped with for fixed band mandrel
Needle bearing（57）Lock-screw（58）.
8. precision needle roller conveyor chain assembly according to claim 7, it is characterised in that：The mandrel（54）With no inner ring
Single-row needle bearing（55）Between, mandrel（54）With needle bearing（56）Between be interference fit, the mandrel（54）On set
There is oil guide groove（541）, the link body（51）Embedded division（53）Relative to mandrel（54）On oil guide groove（541）Place is equipped with
For the lubricating cup of its fuel feeding（59）.
9. precision needle roller conveyor chain assembly according to claim 1, it is characterised in that：The standardized module（3）Court
To traction module（1）Side is set to connection slot（71）, towards preload module（2）Side is equipped with coupling block（72）, the traction
Module（1）It is equipped with connection slot（71）, the preload module（2）It is equipped with coupling block（72）, the traction module（1）, pre-tighten
Module（2）, standardized module（3）Between pass through connection slot（41）, coupling block（72）It is connected.
10. precision needle roller conveyor chain assembly according to claim 1, it is characterised in that：The preload module（2）, mark
Standardization module（3）Towards traction module（1）The accurate dispenser of setting（4）Side side wall on be equipped with height-adjustable installation
Pedestal（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262830.0U CN207684324U (en) | 2017-03-17 | 2017-03-17 | Accurate needle roller conveyor chain assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262830.0U CN207684324U (en) | 2017-03-17 | 2017-03-17 | Accurate needle roller conveyor chain assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207684324U true CN207684324U (en) | 2018-08-03 |
Family
ID=62986438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720262830.0U Expired - Fee Related CN207684324U (en) | 2017-03-17 | 2017-03-17 | Accurate needle roller conveyor chain assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207684324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451177A (en) * | 2019-08-16 | 2019-11-15 | 南京斯杩克机器人技术有限公司 | A kind of detonation tool system pallet supply machine and its working method |
-
2017
- 2017-03-17 CN CN201720262830.0U patent/CN207684324U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451177A (en) * | 2019-08-16 | 2019-11-15 | 南京斯杩克机器人技术有限公司 | A kind of detonation tool system pallet supply machine and its working method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20190317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |