CN104308489B - Traction device for guiding copper pipes to penetrate through condenser fins - Google Patents
Traction device for guiding copper pipes to penetrate through condenser fins Download PDFInfo
- Publication number
- CN104308489B CN104308489B CN201410503934.7A CN201410503934A CN104308489B CN 104308489 B CN104308489 B CN 104308489B CN 201410503934 A CN201410503934 A CN 201410503934A CN 104308489 B CN104308489 B CN 104308489B
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- Prior art keywords
- draw
- traction
- draw bar
- rod
- guiding mechanism
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000010949 copper Substances 0.000 title claims abstract description 55
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a traction rod and a traction device for guiding copper pipes to penetrate through condenser fins. The traction rod comprises a traction head and a rod body, wherein a pointy inserting portion is arranged at the front end of the traction head, a straight line-shaped retaining portion is arranged at the middle end of the traction head, a shielding portion bulged upwards from front to back, an arranging portion continuously bulged from the shielding portion to the highest position and a buffering portion transiting downwards from the rear of the arranging portion are arranged at the rear end of the traction head, and a joint portion is arranged between the retaining portion and the shielding portion. The traction device comprises a plurality of traction rods arranged in parallel, a support seat, sliding rails, driving mechanisms and guiding mechanisms, wherein the driving mechanisms drive the guiding mechanisms at the rear ends of the corresponding traction rods so as to drive the corresponding traction rods to move back and forth. While the traction rods retreat from the holes of the fins, the copper pipes are synchronously guided into the holes of the fins. According to the traction rod and the traction device, the structure is reasonable, the degree of automation is high, and the cost is low; the copper pipes can be safely, accurately and quickly inserted in the condenser fins, so that the pipe penetrating efficiency and precision are high, the product rejection rate and manpower cost are greatly reduced, and the traction rod and the traction device can be used in mass industrial production.
Description
Technical field
The invention belongs to air-conditioning condenser process equipment field is and in particular to a kind of guiding copper pipe passes through condenser fin
Draw bar and draw-gear.
Background technology
The U-shaped copper pipe that air-conditioning condenser includes fins set and passes through fins set, and it is empty for wearing copper pipe on condenser fin
Important link during modulation is standby.Traditional main flow of poling on fin is to rely on special material receiver automatically neatly to stack into
Fin layer, utilizes the high velocity ram machine fin hole that automatic press passes through on fin for copper pipe, then relies on workman's manual operations
U-shaped copper pipe is penetrated in the fin channels being mutually aligned and being formed by the fin hole of multiple rows of fin.Because fin is to be by thickness
0.1mm about the laminated structure made of aluminium foil, its material is very soft, adds that copper pipe thickness is also very thin, when U-shaped copper pipe pass through folded
During the fin put together, it is difficult to ensure that copper pipe can sequentially pass through all fins, easily cause fin hole and copper pipe deformation, simultaneously
Bootup process is susceptible to offset, leads to the consumption scrapped with material of whole condenser.And its poling is time-consuming longer,
Low production efficiency is it is impossible to realize producing in enormous quantities.Therefore a kind of copper pipe can be smoothly guided to pass through the traction of condenser fin
Device will cause pays close attention to and brings certain market.
Content of the invention
It is an object of the invention in order to solve above deficiency, devising a kind of guiding copper pipe and pass through condenser fin
Draw bar and draw-gear, make whole bootup process smooth, improve poling efficiency and quality.
The present invention guides copper pipe to pass through the draw bar of condenser fin can take technical scheme below：A kind of guiding copper pipe
Through the draw bar of condenser fin, including the body of rod and drawing head, described drawing head front end is a pointed insertion section, and middle-end is
Linear maintaining part, rear end includes an occlusion part raising up from front to back, one continues to be raised to highest point along occlusion part
Arrangement portion and descend the buffer part of transition backward from arrangement portion；The rear end of described drawing head is connected to described body of rod one end.
Compared with prior art, the beneficial effects of the present invention is：
The draw bar structure of the present invention is simple and easy to operate, after draw bar enters fin hole, by pointed insertion section
Copper pipe is enclosed within drawing head, linear maintaining part improves the stability that copper pipe is connected with drawing head, copper pipe can be prevented to be difficult
Come off.The openend of copper pipe abuts to described occlusion part so that when draw bar exits fin hole, the openend to copper pipe for the occlusion part
Form protection, copper pipe openend will not be collided with fin hole edge, it is to avoid the collision deformation of copper pipe and fin hole.Leading
Drawing bar and entering or exit arrangement portion during fin hole and carry out arrangement to fin hole makes its ordered arrangement, improves the accuracy of poling；
Reach fin is arranged in order on the basis of in order to reduce itself frictional force and fin hole between, arrangement portion rear end setting
The buffer part of transition downwards, the external diameter of buffer part is less than arrangement portion, and smooth connection between the two makes to exit wing in draw bar
During film perforation can more smooth, safety, make using during high velocity ram machine punching press fin hole fin hole outward flange formed wedge angle not
Can damaged it is ensured that product quality and aesthetic appearance.
While the draw bar of the present invention exits fin hole, copper pipe is synchronously introduced in fin hole, ensure that copper pipe is pacified
Entirely, accurately in insertion condenser fin, poling efficiency is high, reduces product rejection rate and human cost.
Preferably, described drawing head and the described body of rod are detachably connected.
Preferably, described drawing head is provided with jack, and described drawing head and the described body of rod are detachably connected by screw thread.
Screwdriver is penetrated in jack and is rotated, you can drawing head and the body of rod are split or are connected so as to dismantle and
Maintenance is all very convenient.
Preferably, it is provided with a gradually raised joint portion between described maintaining part and occlusion part, joint portion is raised
Eminence diameter is mated with the internal diameter of copper pipe oral area.
After copper pipe is enclosed within drawing head, copper pipe openend abuts to occlusion part, positioned at the joint portion end of occlusion part front end
Diameter is mated with copper pipe spout diameter, so that copper pipe openend inwall is firmly fastened on joint portion, make copper pipe and drawing head it
Between connection be difficult to loosen, it is to avoid the skew of copper pipe or come off and lead to equipment scrapping in distraction procedure.
Preferably, described maintaining part diameter is less than the diameter of the body of rod.
On the one hand when draw bar enters fin hole, it is to avoid poling skew, the situation of perforation dislocation occur；On the other hand
When the copper pipe being cased with maintaining part is synchronously introduced fin hole path so that copper pipe outer and fin hole inwall have a spacing
From, it is to avoid collision between copper pipe and fin hole it is ensured that the integrity of equipment and aesthetic appearance.
The present invention guides copper pipe to pass through the draw-gear of condenser fin, including multiple described draw bars, described traction
Bar is arranged in parallel each other；Also include carrier base, and the drive mechanism on carrier base, slide rail and guiding mechanism, described
Slide rail is arranged along draw bar direction；Described guiding mechanism have multiple, guiding mechanism include coupling slide block on slide rail and
It is fixed on the cross bar on slide block, cross bar is provided with the slide opening passing through for draw bar；The described guiding mechanism positioned at traction rod rear end
Slide block on be at least fixed with two cross bars, this cross bar is arranged in parallel along the longitudinal direction, on draw bar pass through this cross bar it
Between part be provided with baffle ring, and be cased with compression spring；Baffle ring is fixed on draw bar, and its external diameter is more than the hole of cross bar sliding hole
Footpath, for stoping draw bar from continuing to advance through slide opening；Compression spring two ends are respectively held against cross bar and forward baffle ring rearward,
For the elastic force forward to baffle ring offer；Described drive mechanism and the described guiding mechanism drive connection positioned at traction rod rear end,
For driving this guiding mechanism to move back and forth along slide rail.
The draw-gear high degree of automation of the present invention, multiple draw bars can be simultaneously to many copper under drive mechanism drives
Pipe is drawn；Draw bar passes through the slide opening on guiding mechanism, and the guiding mechanism positioned at traction rod rear end drives in drive mechanism
Lower draw bar is promoted forward, be simultaneously directed to mechanism draw bar is carried out omnibearing up and down spacing, make draw bar enter
Or exit will not produce during fin hole and rock, it is to avoid deviateing and unnecessary collision of punch position, improve Aligning degree and lead
Draw efficiency；And the draw-gear of the present invention is with low cost, greatly reduce manual labor's intensity, can be used for large batch of industry
In production.
Preferably, it is provided with interconnective tightrope between described each guiding mechanism.
By tightrope by each guiding mechanism integrally connected, not only achieve the control to draw bar resistance to overturning, and drop
The low manufacturing cost of draw-gear.
Preferably, also include a horizontal transverse slat located at slide rail front end, transverse slat is provided with the guide hole passing through for draw bar.
Preferably, described slide rail at least has 2, along draw bar down either side arrangement.
Preferably, described drive mechanism includes motor and screw mandrel, and screw mandrel connects the described Guiding machine being located at traction rod rear end
Structure, Motor drive screw mandrel, screw mandrel drives this guiding mechanism to move back and forth along slide rail.
Preferably, seamlessly transit between described joint portion, occlusion part, arrangement portion and buffer part.
So that draw bar is rounder and more smooth with the contact of fin hole inwall in distraction procedure, it is to avoid unnecessary during poling
Collision and damage.
Preferably, the head of described insertion section be circular arc, circular arc curvature be 0.9～1.1, and subtended angle scope be 30 °-
50°.
Preferably, described external diameter of drawing head and the proportion of external diameter of rod body are 6:10-9:10.
Brief description
Fig. 1 is the drawing head structure chart of draw bar in the present invention；
Fig. 2 is the drawing bar structure chart of the present invention；
Fig. 3 is that the present invention guides copper pipe to pass through the structure chart of the draw-gear of condenser fin.
Fig. 4 is the magnified partial view of the guiding mechanism being located at draw bar rear end in Fig. 3.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Referring to the drawings shown in 1 to accompanying drawing 2, a kind of guiding copper pipe passes through the draw bar of condenser fin, including detachable
The drawing head 1 connecting and the body of rod 2, described drawing head 1 end is provided with cam 1a extending along its length, before the described body of rod 2
End is provided with the groove 2a being mutually clamped with described cam 1, and cam 1a is spirally connected with groove 2a, and described drawing head is provided with can
Drawing head and the body of rod are installed by jack 12a and are connected or dismantle separately by the jack 12a of insertion screwdriver.Described drawing head 1
Front end is a pointed insertion section 11, and middle-end is linear maintaining part 12, and rear end includes a screening raising up from front to back
The arrangement portion 133 and one that stopper 132, continues to be raised to highest point along occlusion part 132 descends transition backward from arrangement portion 133
Buffer part 134；It is additionally provided with a gradually raised joint portion 131 between maintaining part 12 and occlusion part 132, joint portion 131 is raised
Highest point diameter mate with the internal diameter of copper pipe oral area.Between joint portion 131, occlusion part 132, arrangement portion 133 and buffer part 134
Seamlessly transit.The external diameter of described drawing head 1 is less than internal diameter of copper pipe.The head of described insertion section 11 is circular arc, and circular arc curvature is
0.9～1.1, and its subtended angle scope is 30 ° -50 °, subtended angle is 40 ° in the present embodiment.The curvature range of described joint portion 131
For 0.4～0.7；The curvature range of described occlusion part 133 is 0.1～0.3, the curvature range of described buffer part 134 is 0.05～
0.15.The external diameter of the described body of rod 2 is more than the external diameter of described drawing head 1, and the proportion of drawing head 1 external diameter and the body of rod 2 external diameter
For 6:10-9:10.The total length of drawing head 1 and the body of rod 2 is more than the gross thickness of condenser fin layer.
Referring to the drawings shown in 3 and accompanying drawing 4, a kind of guiding copper pipe passes through the draw-gear of condenser fin, including multiple institutes
Draw bar, carrier base 3 and the drive mechanism on carrier base 3, slide rail 31 and the guiding mechanism stated.Described draw bar is mutual
Between arranged in parallel, described slide rail 31 is arranged in support 3 both sides along draw bar direction.Described drive mechanism includes motor 6 and screw mandrel
7, screw mandrel 7 connects the described guiding mechanism 8 being located at traction rod rear end, motor 6 drive screw 7, and screw mandrel drives this guiding mechanism 8 edge
Slide rail 31 moves back and forth.Described guiding mechanism has multiple, and the guiding mechanism in the present embodiment has 3, each guiding mechanism it
Between be connected with each other by tightrope.Guiding mechanism includes coupling slide block 32 and the cross bar 4 being fixed on slide block on slide rail 31,
Cross bar 4 is provided with the slide opening passing through for draw bar.It is transversely provided with a transverse slat 5 in slide rail 31 front end, being capable of more stable and balance
Support draw bar, transverse slat 5 is provided with the guide hole passing through for draw bar.It is located at the slide block 32 of the guiding mechanism 8 of traction rod rear end
On be fixed with two cross bar 8a and 8b, cross bar 8a, 8b are arranged in parallel along the longitudinal direction, on draw bar pass through this two cross bars
Between part be provided with baffle ring 41, and be cased with compression spring 42.Baffle ring 41 is fixed on draw bar, and its external diameter is more than cross bar 8a
The aperture of slide opening, for stoping draw bar from continuing to advance through slide opening.Compression spring 42 two ends are respectively held against cross bar 8b rearward
With forward baffle ring 41, for providing elastic force forward to baffle ring 41.Described drive mechanism and the guiding positioned at traction rod rear end
Mechanism 8 drive connection, for driving this guiding mechanism to move back and forth along slide rail 31.
When carrying out poling using this draw-gear, first fin layer is fixed, so that the center line of fin hole is tried one's best and correspond to, silk
Bar under Motor drive, drive guiding mechanism 8 work, compression spring 42 provides elastic force forward to baffle ring 41, by draw bar to
Front promotion, the slide block 32 being simultaneously directed to mechanism moves forward along slide rail 31, and draw bar gradually passes through fin hole along stacking fin
Passage.Because the external diameter of draw bar arrangement portion 133 is bigger than the external diameter in other portions of draw bar, while draw bar enters passage,
Arrangement portion 133 has simultaneously worked as the effect that fin layer is arranged, and carries out combing be aligned to fin hole.Drawing head 1 pointed
Insertion section 11 is directed at the openend of copper pipe and inserts in copper pipe, and draw bar continues to move along, and copper pipe is through linear maintaining part
12nd, joint portion 131, its openend abuts to occlusion part 132, and occlusion part is protected to copper pipe openend so as to be moved through
Fin hole edge will not directly be touched in journey.Joint portion 131 end diameter positioned at occlusion part front end and copper pipe spout diameter
Join, so that copper pipe openend inwall is firmly fastened on joint portion 131, make the connection between copper pipe and drawing head 1 be difficult to loosen.
Then driving means drive guiding mechanism 8 to work, and drive draw bar to be gradually backed out fin channels, guiding mechanism 8 passes through tightrope band
Move other 2 guiding mechanisms mobile along slide rail 31.While draw bar exits passage, copper pipe is led in fin hole by synchronous.
On the basis of reaching the effect of combing is carried out to fin channels, for reducing the frictional force between draw bar arrangement portion and fin hole,
The buffer part of downward transition is set in arrangement portion rear end, and the external diameter of buffer part is less than arrangement portion so that exiting fin in draw bar
During hole can more smooth, safety, make using during high velocity ram machine punching press fin hole fin hole outward flange formed wedge angle will not
Damaged.
The draw-gear of the present invention rational in infrastructure it is achieved that the full-automation of poling, improve the steady of whole poling process
Qualitative and accuracy, reduces human cost and the loss to equipment, can synchronize traction to many copper pipes simultaneously, applicable
In high-volume industrial production.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in specific embodiment disclosed and described above, to the present invention's
In the scope of the claims that some modifications and changes should also be as fall into the present invention.Although additionally, using in this specification
Some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (9)
1. a kind of guiding copper pipe passes through the draw-gear of condenser fin it is characterised in that including draw bar, described draw bar phase
Arranged in parallel between mutually；Also include carrier base, and the drive mechanism on carrier base, slide rail and guiding mechanism, described slide rail
Along draw bar direction arrangement；
Described guiding mechanism has multiple, and guiding mechanism is included located at the coupling slide block on slide rail and the horizontal stroke that is fixed on slide block
Bar, cross bar is provided with the slide opening passing through for draw bar；
At least it is fixed with two cross bars, this cross bar is mutually flat along the longitudinal direction on the slide block of guiding mechanism being located at traction rod rear end
Row setting, draw bar is provided with baffle ring through the part this cross bar, and is cased with compression spring；Baffle ring is fixed on draw bar
On, its external diameter is more than the aperture of cross bar sliding hole, for stoping draw bar from continuing to advance through slide opening；Compression spring two ends are supported respectively
Live cross bar rearward and forward baffle ring, for the elastic force forward to baffle ring offer；
Described drive mechanism and the described guiding mechanism drive connection positioned at traction rod rear end, for driving this guiding mechanism edge sliding
Rail moves back and forth；
Described draw bar includes the body of rod and drawing head, and described drawing head front end is a pointed insertion section, and middle-end is linear
Maintaining part, rear end includes an occlusion part raising up from front to back, an arrangement portion continuing to be raised to highest point along occlusion part
And one descend the buffer part of transition backward from arrangement portion；The rear end of described drawing head is connected to described body of rod one end.
2. draw-gear according to claim 1 is it is characterised in that be provided with interconnective soft between each guiding mechanism
Rope.
3. draw-gear according to claim 1 is it is characterised in that also include a horizontal transverse slat located at slide rail front end,
Transverse slat is provided with the guide hole passing through for draw bar.
4. draw-gear according to claim 1 is it is characterised in that described slide rail at least has 2, along draw bar both sides
Arranged beneath.
5. draw-gear according to claim 1 is it is characterised in that described drive mechanism includes motor and screw mandrel, screw mandrel
Connect the described guiding mechanism being located at traction rod rear end, Motor drive screw mandrel, screw mandrel drives this guiding mechanism back and forth to move along slide rail
Dynamic.
6. draw-gear according to claim 1 is it is characterised in that described drawing head and the described body of rod are detachably connected.
7. draw-gear according to claim 6 is it is characterised in that described drawing head is provided with jack, described drawing head
It is detachably connected by screw thread with the described body of rod.
8. draw-gear according to claim 1 it is characterised in that be provided between described maintaining part and occlusion part one by
Gradually raised joint portion, the raised highest point diameter in joint portion is mated with the internal diameter of copper pipe oral area.
9. draw-gear according to claim 1 is it is characterised in that described maintaining part diameter is less than the diameter of the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503934.7A CN104308489B (en) | 2014-09-26 | 2014-09-26 | Traction device for guiding copper pipes to penetrate through condenser fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503934.7A CN104308489B (en) | 2014-09-26 | 2014-09-26 | Traction device for guiding copper pipes to penetrate through condenser fins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104308489A CN104308489A (en) | 2015-01-28 |
| CN104308489B true CN104308489B (en) | 2017-02-15 |
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ID=52363872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410503934.7A Active CN104308489B (en) | 2014-09-26 | 2014-09-26 | Traction device for guiding copper pipes to penetrate through condenser fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104308489B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104858333A (en) * | 2015-05-17 | 2015-08-26 | 合肥长城制冷科技有限公司 | Special novel connecting needle for fins |
| CN108907028B (en) * | 2018-06-22 | 2019-09-10 | 南京国佑智能化系统有限公司 | A method of fin arrangement is carried out using radial breathing positioning shank |
| CN110948218A (en) * | 2018-09-27 | 2020-04-03 | 山东大学 | Positioning needle guide platform |
| CN112570588B (en) * | 2019-09-27 | 2024-06-04 | 广东美的智能机器人有限公司 | Guide mechanism and assembly system |
| CN110977874A (en) * | 2019-12-25 | 2020-04-10 | 美安创新医疗科技无锡有限公司 | Tool for simultaneously penetrating multiple pipes |
| CN114473367B (en) * | 2022-03-01 | 2024-06-28 | 山东齐昊新能源科技有限公司 | Pipe fitting positioning method for fin heat exchanger through pipe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5680695A (en) * | 1995-06-16 | 1997-10-28 | Vetter; Klaus-Dieter | Hairpin lacing apparatus |
| CN1836830A (en) * | 2005-03-26 | 2006-09-27 | 珠海格力电器股份有限公司 | Copper pipe penetrating process for finned tube heat exchanger |
| CN202813907U (en) * | 2012-08-17 | 2013-03-20 | 中山市奥美森工业有限公司 | Draw bar used for guiding copper tube to be inserted into condenser fin |
| CN102773682B (en) * | 2012-08-17 | 2015-04-29 | 中山市奥美森工业有限公司 | Full-automatic pipe penetrating equipment for inserting copper pipes into condenser fins and pipe penetrating technology |
| CN203171235U (en) * | 2013-02-05 | 2013-09-04 | 郝新浦 | Pull rod used in process of inserting copper pipe into condenser fin set |
| CN204123037U (en) * | 2014-09-26 | 2015-01-28 | 广州绅联自动化设备有限公司 | A kind of guide copper pipe to pass condenser fin draw bar and draw-gear |
-
2014
- 2014-09-26 CN CN201410503934.7A patent/CN104308489B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104308489A (en) | 2015-01-28 |
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Effective date of registration: 20191227 Address after: 510000 No.101, No.68, SANHENG Road, industrial zone 2, Jiangnan village, Nancun Town, Panyu District, China Patentee after: GUANGZHOU SHENGTE MODULE MANUFACTURE CO.,LTD. Address before: 511442, Guangdong, Guangzhou province Panyu District village Jiangnan village Jiangnan Industrial Park, one of the two horizontal road, No. 6 Patentee before: GUANGZHOU SHENLIAN AUTOMATION EQUIPMENT Co.,Ltd. |
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Address after: 510000, Shop 101, No. 1, Second Street, Sanheng Road, Jiangnan Industrial Zone 2, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Shente Automation Equipment Co.,Ltd. Country or region after: China Address before: No. 101, No. 68 Sanheng Road, Industrial Zone 2, Jiangnan Village, Nancun Town, Panyu District, Guangzhou City, Guangdong Province, China, 510000 Patentee before: GUANGZHOU SHENGTE MODULE MANUFACTURE CO.,LTD. Country or region before: China |
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