CN102921877B - Single-double pitch chain sharing assembly machine - Google Patents
Single-double pitch chain sharing assembly machine Download PDFInfo
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- CN102921877B CN102921877B CN201210446924.5A CN201210446924A CN102921877B CN 102921877 B CN102921877 B CN 102921877B CN 201210446924 A CN201210446924 A CN 201210446924A CN 102921877 B CN102921877 B CN 102921877B
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- chain
- bipatch
- apart
- unit
- hit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L9/00—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
- B21L9/02—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains of roller-chain or other plate-link type
- B21L9/06—Sorting, feeding, assembling, riveting, or finishing parts of chains
- B21L9/065—Assembling or disassembling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to a single-double pitch chain sharing assembly machine and belongs to the field of mechanical general part chain transmission part processing machinery. The single-double pitch chain sharing assembly machine comprises a blanking assembly, a pushing plate assembly, a press fitting assembly, a chain link feeding assembly and a driving system, the press fitting assembly comprises a collision press beam and a die collision device seat, and the die collision device seat is installed below the collision press beam. Three collision device installation holes which are arranged side by side are arranged on the die collision device seat, and a distance between two adjacent collision device installation holes is same with a pitch of the single pitch chain. When the single pitch chain is assembled, collision devices are installed on the two adjacent collision device installation holes; and when a double pitch chain is assembled, collision devices are installed on the collision device installation holes on two sides. By means of the single-double pitch chain sharing assembly machine, procurement cost of chain manufacturers is substantially reduced, two assembly machines are combined, and land occupation cost is reduced.
Description
Technical field
The present invention relates to mechanical spare part in common use chain driving parts processing equipment field, relate in particular to a kind of common type assembly machine that can assemble single-unit and can assemble again apart from chain bipatch chain.
Background technology
The pitch of double pitch roller chain bar is 2 times of standard roller chain, and other parameters are identical, and the main distinction is that carrier bar has increased by one times.Therefore, in the identical situation of length, the weight of double pitch roller chain bar is low weight, is applicable to the long appliance arrangement of axle base, is mainly used in low speed rotation and carrying.
Chain is produced automatic equipment, particularly chain automatic assembling machine at present, and each board can only assemble the chain of same specification.Therefore,, even process other parameter striking resemblances, just pitch is double chain, also needs to design respectively different chain automatic assembling machines.This has significantly increased its production cost for chain process unit.
Summary of the invention
The object of the invention is for above-mentioned the deficiencies in the prior art, a kind of single bipatch chain common type assembly machine that can conveniently exchange machining cell is provided.That is to say, single bipatch chain common type assembly machine of the present invention can assemble standard roller chain, can assemble again double pitch roller chain bar.
Realization of the present invention adopts following thinking: the switching of the transmission system by the exchange of single bipatch feed system, the variation of hitting sub-position and chain link feeder assembly on assembly machine realizes the flexible conversion of single bipatch chain assembling.
For achieving the above object, and above-mentioned thinking is specifically implemented, the technical solution used in the present invention is as follows.
A kind of single bipatch chain common type assembly machine, comprises blanking assembly, push pedal assembly, pressing component, chain link feeder assembly and drive system, and wherein, described blanking assembly comprises the feed bin and the blanking seat being connected with described feed bin by conduit that are arranged on top; Described push pedal assembly is arranged on blanking seat rear, and described drive system promotes feeding push jack by push jack cam, and the part in blanking seat is pushed to the frock position in pressing component; Described pressing component comprises that pressure crossbeam and pressing mold hit stroma, and pressing mold hits stroma and be arranged on the below of pressure crossbeam; Described chain link feeder assembly is arranged on the rear of pressing component; Described pressing mold hit stroma be provided with three be arranged side by side hit sub-installing hole, it is adjacent that to hit spacing between sub-installing hole identical apart from the pitch of chain with single-unit; Assembling single-unit is during apart from chain, hits on sub-installing hole described in adjacent and installs and hit son at two, when assembling bipatch chain, installs and hits son hitting described in both sides on sub-installing hole.
When this list bipatch chain common type assembly machine uses, carrier bar, sleeve, roller, bearing pin in the feed bin above being arranged on are fallen into blanking seat by conduit.Drive system promotes feeding push jack, and the part in blanking seat is pushed to the frock position in pressing component.
Each stroma that hits can be installed two and hits son, if when manufacture order pitch chain, can select two adjacent hitting on sub-installing hole of meaning in office to install and hit son according to status requirement, and two spacing of hitting between son are single times of pitches.If when production bipatch chain, to install and hit son at the sub-installing hole of hitting of two intervals, the spacing of hitting between son is double pitch, i.e. two chain links.
Further, described in hit attached bag and draw together spring and guide needle, described spring is arranged at and hits sub inside, the end of described guide needle is connected with spring, the tip of described guide needle protrudes from hits sub below.
Further, to hit the number of stroma be 5 to described pressing mold.5 are hit stroma 5 steps below difference correspondence in chain link moving process: the assembling of lower carrier bar and sleeve 1); 2) by roller sleeve on sleeve; 3) pack interior upper link plate into sleeve upper end; 4) two bearing pins and outside lower carrier bar are assembled with two interior single-unit one end simultaneously; 5) by outer upper link plate and the assembling of two bearing pins.Each assembling parts of finally push pedal assembly being sent into becomes complete chain.
After each step completes, chain link feeder assembly is subject to drive system effect to vertically move insertion chain, then transverse shifting makes chain enter next station, and then mobile chain template vertically moves and exits chain, and chain enters the assembling of next step part.Whole assembling process is continuous productive process, and the assembling of each station is carried out simultaneously.
As the improvement of the chain link feeder assembly of single bipatch chain common type assembly machine of the present invention, chain link feeder assembly comprises lateral movement plate, vertical feeding plate, vertical movable plate, mobile chain template and transmission system; Described transmission system comprises that single-unit turns hand, vertical feed cam, single-unit apart from connector, bipatch connector and mobile chain form tie apart from cam, single-unit apart from turning hand, bipatch cam, bipatch; Described lateral movement plate is subject to single-unit apart from cam or bipatch actuated by cams, vertical feeding plate is driven by vertical feed cam, described vertical movable plate vertically moves by two line slideways that are fixed on work top, described lateral movement plate laterally moves by the line slideway being fixed on vertical movable plate, one end of described mobile chain template is provided with and can holds the arc groove of single-unit apart from chain, the other end is fixed on lateral movement plate, can move with described lateral movement plate, drive chain feeding.The arc groove of mobile chain template can hold single-unit apart from chain, also unaffected in the time of mobile bipatch chain.
While assembling single-unit apart from chain, bipatch connector is shifted out to working position, making bipatch turn hand air transport moves, single-unit passes motion to described chain link feeder assembly apart from turning hand, mobile chain form tie acts on lateral movement plate, makes the single-unit of frock position in pressing component move the distance of a chain link apart from chain.When assembling bipatch chain, single-unit is shifted out to working position apart from connector, single-unit is moved apart from turning hand air transport, bipatch turns hand will make the single-unit of frock position in pressing component move the distance of two chain links apart from chain.
The chain assembling as required due to the present invention has single-unit distance or bipatch, so the transverse shifting of chain distance also can be different.The present invention mainly, by using the cam of different size, realizes the variation of chain transverse shifting distance.In the situation that other conditions are constant, projecting surface and the displacement of cam are directly proportional.In order to change the convenience of installation, single-unit distance and bipatch cam are housed on assembly machine of the present invention simultaneously and turn hand.While assembling single-unit apart from chain, bipatch connector is shifted out to working position, making bipatch turn hand air transport moves, single-unit passes motion to mobile chain form tie apart from turning hand, mobile chain form tie acts on lateral movement plate, will make the single-unit of frock position in pressing component move the distance of a chain link apart from chain.In like manner, when assembling bipatch chain, single-unit is shifted out to working position apart from connector, single-unit is moved apart from turning hand air transport, bipatch turns hand will make the single-unit of frock position in pressing component move the distance of two chain links apart from chain.
For adapting to the requirement of different length of single bipatch carrier bar, when the single bipatch chain of conversion assembling, also need feed system to change simultaneously.As the improvement of the feed system of single bipatch chain common type assembly machine of the present invention, described feed system is overall structure, comprises delivery sheet, blanking die, holder, only needs to send single-unit to install apart from system and bipatch system interchange when conversion.
As the improvement of the drive system of single bipatch chain common type assembly machine of the present invention, described drive system is mechanical linkage structure, comprise power motor, belt pulley, reducing gear, central shaft, kinematic axis, described central shaft is connected with described power motor and reducing gear respectively by belt pulley, and described central shaft is connected with described kinematic axis by gear.
While using single bipatch chain common type assembly machine assembling chain of the present invention, each assembly carries out mechanical linkage type running under the drive of drive system.Power motor drives belt pulley, in conjunction with reducing gear, drives central shaft, and central shaft by gear driven kinematic axis, is arranged on the various cam co-ordinations on kinematic axis, completes the feeding work of the chain in feeding work, the frock position of the each assembly of chain.Meanwhile, central shaft drives driving cam, drives circle wheel, by guide pillar, pressure crossbeam is moved down, and recycling spring orders about on crossbeam and moves, pressure crossbeam move up and down the work that press-fits that has also just completed chain.
The invention has the beneficial effects as follows: adopt single bipatch chain common type assembly machine of the present invention, not only can significantly reduce the purchase cost of chain manufacturer, and due to two assembly machines are united two into one, reduce cost of floor space.Therefore social resources can efficiently be utilized, and meet the developing direction of conservation-minded society.
Brief description of the drawings
Fig. 1 is the rear outside stereogram of single bipatch chain common type assembly machine of the present invention.
Fig. 2 is the positive end perspective view of single bipatch chain common type assembly machine of the present invention.
Fig. 3 is the use schematic diagram that the pressing component structural representation of single bipatch chain common type assembly machine of the present invention and pressing component assemble single bipatch chain.
Fig. 4 be assembling single-unit during apart from chain the pressing mold of single bipatch chain common type assembly machine of the present invention hit stroma and install and hit sub-schematic diagram.
When Fig. 5 is assembling bipatch chain, the pressing mold of single bipatch chain common type assembly machine of the present invention hits stroma installation and hits sub-schematic diagram.
Fig. 6 is the chain part structural representation of single bipatch chain common type assembly machine assembling of the present invention.
Fig. 7 is the assembling sequence schematic diagram of single bipatch chain common type assembly machine assembling chain parts of the present invention.
Fig. 8 is the structural representation of the chain link feeder assembly of single bipatch chain common type assembly machine of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Single bipatch chain common type assembly machine of the present invention is as shown in Figure 1, Figure 2 with shown in Fig. 8, comprise blanking assembly, push pedal assembly, pressing component, chain link feeder assembly and drive system, blanking assembly comprises the feed bin and the blanking seat being connected with described feed bin by conduit that are arranged on top; Push pedal assembly is arranged on blanking seat rear, and drive system promotes feeding push jack by push jack cam 17, and the part in blanking seat is pushed to the frock position in pressing component; Pressing component comprises that pressure crossbeam 11 and pressing mold hit stroma 12, and pressing mold hits stroma 12 and be arranged on the below of pressure crossbeam 11; Chain link feeder assembly is arranged on the rear of pressing component.
As shown in Figure 3, the pressing mold of pressing component hit stroma 31 be provided with three be arranged side by side hit sub-installing hole (not shown), adjacent to hit spacing between sub-installing hole identical apart from the pitch of chain with single-unit, hits son 33 and can be arranged on and hit on sub-installing hole.Hit son 33 and comprise spring 32 and guide needle 34, spring 32 is arranged at the inside of hitting son 33, and the end of guide needle 34 is connected with spring 32, and the tip of guide needle protrudes from the below of hitting son 33.Signal lead-in wire 37, marks out the state that son 33 and single-unit coordinate respectively apart from chain 35 and bipatch chain 36 that hits intuitively.As preferably, the number that pressing mold hits stroma is 5.
5 are hit stroma 5 steps below difference correspondence in chain link moving process: the assembling of lower carrier bar and sleeve 1); 2) by roller sleeve on sleeve; 3) pack interior upper link plate into sleeve upper end; 4) two bearing pins and outside lower carrier bar are assembled with two interior single-unit one end simultaneously; 5) by outer upper link plate and the assembling of two bearing pins.Each assembling parts of finally push pedal assembly being sent into becomes complete chain.
Fig. 4 be assembling single-unit during apart from chain the pressing mold of single bipatch chain common type assembly machine of the present invention hit stroma and install and hit sub-schematic diagram, when Fig. 5 is assembling bipatch chain, the pressing mold of single bipatch chain common type assembly machine of the present invention hits stroma and installs and hit sub-schematic diagram.As shown in Figure 4, assembling single-unit is during apart from chain, hits any two adjacent sons that hit are installed on stroma at described pressing mold; As shown in Figure 5, when assembling bipatch chain, hit the son that hits that both sides are only installed on stroma at described pressing mold.
Fig. 6 is the chain part structural representation of single bipatch chain common type assembly machine assembling of the present invention, and Fig. 7 is the assembling sequence schematic diagram of single bipatch chain common type assembly machine assembling chain parts of the present invention.As shown in Figure 6, the part of chain comprises roller 61, sleeve 62, bearing pin 63, interior upper and lower carrier bar 64 and outer upper and lower carrier bar 65.As shown in Figure 7, when assembling chain, in chain link moving process, complete following 5 steps: the assembling of lower carrier bar 742 and sleeve 72 1); 2) roller 71 is enclosed within on sleeve 72; 3) pack interior upper link plate 741 into sleeve 72 upper ends; 4) two bearing pins 73 and outside lower carrier bar 752 are assembled with two interior single-unit 76 one end simultaneously; 5) outer upper link plate 751 and two bearing pins 73 are assembled.Each assembling parts of finally push pedal assembly being sent into becomes complete chain.
The chain link feeder assembly of single bipatch chain common type assembly machine of the present invention as shown in Figure 1 and Figure 2, comprises lateral movement plate 22, vertical feeding plate, vertical movable plate 24, mobile chain template 21 and transmission system.
As shown in Figure 8, the transmission system of feeder assembly comprises that single-unit turns hand 86, vertical feed cam 14, single-unit apart from connector 810, bipatch connector 89 and mobile chain form tie 811 apart from cam 87, single-unit apart from turning hand 85, bipatch cam 88, bipatch.
When the transmission system of feeder assembly turns round, lateral movement plate 22 is driven apart from cam 16 or bipatch cam 15 by single-unit, vertical feeding plate is driven by vertical feed cam 14, vertical movable plate 24 vertically moves by two line slideways that are fixed on work top, lateral movement plate 22 laterally moves by the line slideway being fixed on vertical movable plate 24, one end of mobile chain template 21 is provided with and can holds the arc groove of single-unit apart from chain, the other end is fixed on lateral movement plate, can move with described lateral movement plate 22, drive chain feeding.
While assembling single-unit apart from chain, bipatch connector 89 is shifted out to working position, making bipatch turn hand 86 air transports moves, single-unit passes motion to chain link feeder assembly apart from turning hand 85, mobile chain form tie 811 acts on lateral movement plate 22, makes the single-unit of frock position in pressing component move the distance of a chain link apart from chain.
When assembling bipatch chain, single-unit is shifted out to working position apart from connector 810, single-unit is moved apart from turning hand 85 air transports, bipatch turns hand 86 will make the single-unit of frock position in pressing component move the distance of two chain links apart from chain.
In order to change the convenience of installation, single-unit distance and bipatch cam are housed on the assembly machine of the present embodiment simultaneously and turn hand.While assembling single-unit apart from chain, bipatch connector is shifted out to working position, making bipatch turn hand air transport moves, single-unit passes motion to mobile chain form tie apart from turning hand, mobile chain form tie acts on lateral movement plate, will make the single-unit of frock position in pressing component move the distance of a chain link apart from chain.In like manner, when assembling bipatch chain, single-unit is shifted out to working position apart from connector, single-unit is moved apart from turning hand air transport, bipatch turns hand will make the single-unit of frock position in pressing component move the distance of two chain links apart from chain.
The foregoing is only preferred embodiment of the present invention, be not used for limiting practical range of the present invention; If do not depart from the spirit and scope of the present invention, the present invention is modified or is equal to replacement, all should be encompassed in the middle of the protection domain of the claims in the present invention.
Claims (5)
1. a single bipatch chain common type assembly machine, comprises blanking assembly, push pedal assembly, pressing component, chain link feeder assembly and drive system, wherein,
Described blanking assembly comprises the feed bin and the blanking seat being connected with described feed bin by conduit that are arranged on top;
Described push pedal assembly is arranged on blanking seat rear, and described drive system promotes feeding push jack by push jack cam, and the part in blanking seat is pushed to the frock position in pressing component;
Described pressing component comprises that pressure crossbeam and pressing mold hit stroma, and pressing mold hits stroma and be arranged on the below of pressure crossbeam;
Described chain link feeder assembly is arranged on the rear of pressing component, and described chain link feeder assembly comprises lateral movement plate, vertical feeding plate, vertical movable plate, mobile chain template and transmission system;
It is characterized in that,
Described transmission system comprises that single-unit turns hand, vertical feed cam, single-unit apart from connector, bipatch connector and mobile chain form tie apart from cam, single-unit apart from turning hand, bipatch cam, bipatch;
Described lateral movement plate is subject to single-unit apart from cam or bipatch actuated by cams, vertical feeding plate is driven by vertical feed cam, described vertical movable plate vertically moves by two line slideways that are fixed on work top, described lateral movement plate laterally moves by the line slideway being fixed on vertical movable plate, one end of described mobile chain template is provided with and can holds the arc groove of single-unit apart from chain, the other end is fixed on lateral movement plate, can move with described lateral movement plate, drive chain feeding;
Described pressing mold hit stroma be provided with three be arranged side by side hit sub-installing hole, it is adjacent that to hit spacing between sub-installing hole identical apart from the pitch of chain with single-unit;
While assembling single-unit apart from chain, hit on sub-installing hole described in adjacent and install and hit son at two, bipatch connector is shifted out to working position, make bipatch turn hand air transport and move, single-unit will make the single-unit of frock position in pressing component move the distance of a chain link apart from chain apart from turning hand; When assembling bipatch chain, install and hit son hitting described in both sides on sub-installing hole, single-unit is shifted out to working position apart from connector, make single-unit moving apart from turning hand air transport, bipatch turns hand will make the single-unit of frock position in pressing component move the distance of two chain links apart from chain.
2. single bipatch chain common type assembly machine according to claim 1, it is characterized in that, described in hit attached bag and draw together spring and guide needle, described spring is arranged at and hits sub inside, the end of described guide needle is connected with spring, and the tip of described guide needle protrudes from hits sub below.
3. single bipatch chain common type assembly machine according to claim 1 and 2, is characterized in that, the number that described pressing mold hits stroma is 5.
4. single bipatch chain common type assembly machine according to claim 1 and 2, is characterized in that, also comprise feed system, described feed system is overall structure, comprises delivery sheet, blanking die and holder.
5. single bipatch chain common type assembly machine according to claim 1 and 2, it is characterized in that, described drive system is mechanical linkage structure, comprise power motor, belt pulley, reducing gear, central shaft and kinematic axis, described central shaft is connected with described power motor and reducing gear respectively by belt pulley, and described central shaft is connected with described kinematic axis by gear.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446924.5A CN102921877B (en) | 2012-11-09 | 2012-11-09 | Single-double pitch chain sharing assembly machine |
| PCT/CN2012/001656 WO2014071546A1 (en) | 2012-11-09 | 2012-12-07 | Single-pitch and double-pitch chain sharing assembly machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446924.5A CN102921877B (en) | 2012-11-09 | 2012-11-09 | Single-double pitch chain sharing assembly machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102921877A CN102921877A (en) | 2013-02-13 |
| CN102921877B true CN102921877B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210446924.5A Active CN102921877B (en) | 2012-11-09 | 2012-11-09 | Single-double pitch chain sharing assembly machine |
Country Status (2)
| Country | Link |
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| CN (1) | CN102921877B (en) |
| WO (1) | WO2014071546A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108246964A (en) * | 2018-01-08 | 2018-07-06 | 浙江恒久机械集团有限公司 | A kind of full-automatic riveting equipment of hollow chain |
| CN111687372B (en) * | 2020-05-21 | 2021-12-03 | 杭州传智自动化科技有限公司 | Horizontal assembly machine for slide plate chain |
| CN111715842B (en) * | 2020-05-29 | 2022-04-05 | 杭州传智自动化科技有限公司 | Double-speed chain assembly machine with plastic finger protector and assembly method |
| CN114589490B (en) * | 2022-03-10 | 2023-12-12 | 杭州东华链条集团有限公司 | Automatic chain assembly equipment and chain assembly process |
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| DE452502C (en) * | 1926-07-22 | 1927-11-12 | Leo Burgard | Machine for assembling the individual parts of bicycle chains into a finished chain |
| CN2054724U (en) * | 1989-09-09 | 1990-03-21 | 台湾链条厂股份有限公司 | Apparatus for automaticly fitting, riveting and cutting chain |
| CN2611956Y (en) * | 2003-01-02 | 2004-04-14 | 英业达股份有限公司 | Tester for control key service time of notebook computer |
| JP4664588B2 (en) * | 2003-12-08 | 2011-04-06 | ギア チェーン インダストリアル ビー．ヴイ． | Endless transmission chain assembly method and equipment |
| GB2420609A (en) * | 2004-11-30 | 2006-05-31 | Renold Plc | Chain link assembly |
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| JP4911350B2 (en) * | 2007-01-26 | 2012-04-04 | 株式会社ジェイテクト | Power transmission chain manufacturing method and pretension load device used for power transmission chain manufacturing |
| JP2009154164A (en) * | 2007-12-25 | 2009-07-16 | Jtekt Corp | Method and device for manufacturing power transmission chain |
| CN201283410Y (en) * | 2008-09-17 | 2009-08-05 | 安徽黄山恒久链传动有限公司 | Automatic assembling machine of pintle chain |
| CN101642870B (en) * | 2009-08-31 | 2011-07-13 | 浙江恒久机械集团有限公司 | Chain assembling device |
| JP5215973B2 (en) * | 2009-10-16 | 2013-06-19 | 伊藤工業株式会社 | O-ring chain automatic manufacturing equipment |
| CN201997916U (en) * | 2010-12-29 | 2011-10-05 | 杭州东华链条集团有限公司 | Assembling device of timing chain |
| CN102896273B (en) * | 2012-11-09 | 2014-11-26 | 太仓椿盟链传动有限公司 | Single-double-pitch chain common type assembling method |
| CN102896272B (en) * | 2012-11-09 | 2014-11-19 | 太仓椿盟链传动有限公司 | Chain press fitting method |
| CN202910245U (en) * | 2012-11-09 | 2013-05-01 | 太仓椿盟链传动有限公司 | Single pitch chain and bipitch chain shared type assembly machine |
| CN102921875B (en) * | 2012-11-09 | 2014-11-26 | 太仓椿盟链传动有限公司 | Press fitting component |
| CN202910246U (en) * | 2012-11-09 | 2013-05-01 | 太仓椿盟链传动有限公司 | Press fitting assembly |
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2012
- 2012-11-09 CN CN201210446924.5A patent/CN102921877B/en active Active
- 2012-12-07 WO PCT/CN2012/001656 patent/WO2014071546A1/en active Application Filing
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| Publication number | Publication date |
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| CN102921877A (en) | 2013-02-13 |
| WO2014071546A1 (en) | 2014-05-15 |
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Address after: 215428 Yalu Village Industrial Zone, Jingjing Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Chunmeng Intelligent Technology Co., Ltd. Address before: 215412 Jiangsu city of Suzhou province Taicang City Lu Du Zhen Zhu Jing Industrial Park No. 9 Patentee before: Taicang Chunmeng Chain Drive Co.,Ltd. |
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