CN1951594A - Method for producing articulated chain - Google Patents
Method for producing articulated chain Download PDFInfo
- Publication number
- CN1951594A CN1951594A CN 200610162947 CN200610162947A CN1951594A CN 1951594 A CN1951594 A CN 1951594A CN 200610162947 CN200610162947 CN 200610162947 CN 200610162947 A CN200610162947 A CN 200610162947A CN 1951594 A CN1951594 A CN 1951594A
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- chain
- manufacture method
- sheet
- machine
- vibrating disk
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Abstract
The invention relates to a method for producing chain. Wherein, said method comprises that: automatically transmitting the chain sheets to automatic collector; transmitting the chain roller and chain pin to the automatic installer; using said collector to directionally collect the chain sheets to be fed into installer; the installer installs the chain sheets, chain roller and chain pin into one chain; then extending the chain outwards to be fed into washing groove. The invention can reduce cost and improve product quality.
Description
Technical field
The present invention relates to a kind of manufacture method of chain, refer to especially a kind ofly can the automation mode assemble the chain manufacture method of finishing a sustainable continuous increase length.
Background technology
For promoting the chain production capacity, in the at present known chain manufacturing process, someone promptly designs the chain automatic assembling, be positioned over the feeding mouth place of each parts of this automatic assembling with the parts such as inside and outside chain sheet, chain roller and chain pin that provide people will make shaping, in the mechanically actuated mode those inside and outside chain sheets, chain roller and chain pin composed in series a lot of shape chain for this automatic assembling again.
In aforementioned, those chains are composite constructions of taking multicomponent, comprising inner chain sheet, outer chain sheet, parts such as chain roller and chain pin, wherein the inner chain sheet that uses more protruded out the chain roller flange in its pin-and-hole place side direction, in order to provide the chain roller sheathed movably on it, therefore, for the employed chain sheet of this chain can be placed in this automatic assembling, become a chain with automatic winding, in the manufacture process of this chain, those chain sheets are after forming step such as drawing and heat treatment, promptly must be by the chain link machine, those scattered chain sheets are in the same way on the double fork lever of proper alignment in this lining-up machine, again by this double fork lever of artificial taking-up, a plurality of chain sheets on this double fork lever dialled move in this automatic assembling, by this automatic assembling with those chain sheets (in, outer chain sheet) marriage chain roller and chain pin are concatenated into a strip chain.
But in the preceding manufacture process of taking off chain, the chain sheet that those have been shaped is because of must be by manually moving in this chain link machine, give correcting direction and proper alignment by lining-up machine, wherein those chain sheets are to be collected on the stacked double fork lever in this chain link machine, must utilize operation manually, chain sheet after those directed permutations is displaced to the chain sheet material feeding region of this kludge again, carries out the assembling of chain by this kludge in the mechanically actuated mode in conjunction with the chain roller and the chain pin that import again.
In the manufacturing process of known chain, must be because of the multiple tracks processing step is arranged by majority manually with manual operation, thereby chain manufactory must employ most manually, can satisfy and carry out the manpower that chain is made institute's palpus; Moreover, this semi-automatic mode is carried out the manufacturing of chain, not only time-consuming taking a lot of work, the manufacturing benefit of chain is not high, and when desiring whole day and producing chain continuously, manually must be with operation in shifts, therefore, for whole chain manufactory, there are problems such as hirer's number is on the high side, cost of labor is higher, the chain production capacity is on the low side.
Secondly, in the manufacture process of this chain, higher for the ratio of using manpower, because of artificial physical efficiency limited, be unsuitable for 24 hours production operation modes in shifts, at present chain manufactory takes work patterns such as 8 hours or 12 hours mostly, and all the other times manually have a rest, the idleness of equipment, cause utilization rate of equipment and installations on the low side, and shortcomings such as the economic benefit of not being inconsistent are arranged.
On the other hand, those chain sheets carry out in the process of permutation, because of adopting the manual mode of operation, can't and fail effectively to control the chain sheet quantity on this lining-up machine vibrating disk, when in case the chain sheet quantity on the vibrating disk too much or is too concentrated, easily influence the flowability of those chain sheets on vibrating disk, be unfavorable for the carrying out of the directed permutation operation of chain sheet.
In addition, the manufacturing of this chain has the not high problem of product fine rate, because the manufacturing major part of this chain is to be finished by artificial institute, because artificial physical efficiency is limited, and be subject to the absorbed power of factor affecting workman's work such as environment, mood, be difficult for reaching standardization, cause the problems such as this chain product with stable quality is not good, product quality difference of finishing; Add in the processing flow of this chain test point is not set mostly,, chain manufactory is easily caused greatest loss in case when the problem of defective products appears in product, often can't in time detect and handle.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of manufacture method of chain is provided, solves previous existing chain by manually with time-consumingly taking a lot of work of assembling of semi-automatic mode, manufacturing cost height, shortcoming such as utilization rate of equipment and installations is low and chain product fine rate is low.
Technical solution of the present invention is, a kind of manufacture method of chain, and the manufacture method of this chain comprises:
One supplying step is to be delivered to that the district that gathers materials of automatic array machine, most chain roller orientations that will be shaped are delivered to the chain roller feeding mouth of automatic assembling and most chain pin orientations that will be shaped are delivered to the chain pin feeding mouth of automatic assembling with most chain sheets that the automatic transport means will be shaped respectively;
One chain sheet random orientation permutation step is to use the oscillatory type lining-up machine to make with vibration means and is positioned at the most scattered chain sheets in district that gather materials and gives permutation and directed concentrating, and is delivered to the chain sheet feeding mouth of automatic assembling again;
One automatic number of assembling steps is to utilize this automatic assembling with the automated machine operational means, and those chain sheets of military order are arranged relatively in regular turn and are positioned at chain roller both sides, make chain pin be arranged between this chain sheet, chain roller again, continues to be concatenated into a rectangular chain and to send;
One guiding supplying step is to utilize the guiding transportation means to make this strip chain that is concatenated into be stretched out by automatic assembling;
One cleaning is to make this chain import to wash impose cleaning in the key way.
As the manufacture method of above-mentioned chain, this chain sheet random orientation permutation step is to comprise:
One pan feeding step is the place, district that gathers materials that scattered most chain sheets is imported the vibrating disk of this lining-up machine;
One material amount control step is to keep the gather materials district place of an amount of chain sheet in this vibrating disk with detecting and control device;
The step of one permutation is the chain sheet that makes the district that gathers materials locate with vibration means by this vibrating disk, and is upwards soaring in regular turn along the loop on this vibrating disk;
One decides square at random turns to step, is to make those chain sheets that move on the vibrating disk loop be automatically changeb to the supine directed kenel of same plate with limit for height and limit for width means;
One chain sheet is concentrated stacking procedure, be utilize the progressive transition means that directed chain sheet is fallen in the soft mode of vertically folding neatly to pile up in vertical material pipe of this vibrating disk side concentrated.
As the manufacture method of above-mentioned chain, in the oscillatory type lining-up machine that this chain sheet random orientation permutation step is used, have the multiple tracks loop on this vibrating disk and carry out permutation along those loops for this chain sheet.
Manufacture method as above-mentioned chain, still comprise in this chain manufacture method that a stretching detects step, be outwards to guide in the step of conveying by automatic assembling, utilize a stretching detection machine that this chain is imposed to stretch and detect, judge whether chain is assembled correctly in this chain that is concatenated into.
Manufacture method as above-mentioned chain, still comprise in this chain manufacture method that a unusual chain link row is except that step, be that chain judge this compositions in stretch detecting step after is assembled when unusual, utilize the chain pin of the chain link of making chain machine removal in time passing through this dozen chain machine and chain rupture.
As the manufacture method of above-mentioned chain, comprise that still one furls step in this chain manufacture method, be to make a lot of chain roll after the cleaning close on the spool.
As the manufacture method of above-mentioned chain, this chain manufacture method still comprises the step of a fixed length segmentation, is to impose the fixed length segment processing with a lot of chain of partition means after to cleaning.
Major advantage of the present invention is: the invention provides a kind of assembly method of can the automation mode carrying out chain, for chain manufactory, only need employ the manually-operated of minority, reduce a dead lift material, the time and labour saving, and the assembly of this chain can be carried out 24 hours continuity work of whole day by machinery, therefore, the invention provides and a kind ofly can effectively reduce cost of labor, improve the chain production capacity, improve utilization rate of equipment and installations, and can effectively control this chain product quality and acceptance rate, make the manufacturing of this chain meet economic benefit, and can create more profit.
Secondly, the present invention is by this systematized chain manufacture method design, make the chain manufactory can be according to the conditions such as manufacturing speed of parts such as chain sheet, chain roller and chain pin, carry out motorization configuration design, in order to adjust institute in the processing procedure must various facility quantity, make the boundary that whole chain manufacturing system can reach flexibly and elastification is controlled.
The present invention still can be further in the guiding supplying step of this chain, the stretching of setting up chain detects step, whether assemble correctly in order to judge chain, or set up a chain link again and get rid of step unusually, assemble when unusual in order to the chain after in chain stretch to detect step, judging this composition, remove the unusual chain link in the chain, thus, make the present invention can be in the manufacture process of this chain, one good abnormity detecting at random and treatment mechanism is provided, make its effectively management and control chain product quality, and improve the product fine rate.
The present invention still can utilize the design of chain sheet random orientation permutation step, and its advantage is further included:
1. but automation mechanized operation, manpower-free: the chain sheet random orientation permutation step that the present invention is designed, after can making most scattered chain sheet automatic orientation permutations, and neatly be stacked in the vertical material pipe, make it make this vertically terminal chain sheet feeding end that directly is connected kludge of material pipe, directly in time supply assembling required chain sheet to this automatic assembling, make this kludge can the automated machine suites of measure finish the assembling of chain, so the present invention can exempt the step that manually chain sheet after the permutation is passed to automatic assembling in the previously known chain method for making, and then reduce artificial, reduce cost of labor, and can effectively improve production capacity.
2. good flowability when guaranteeing chain link: the present invention utilizes detecting and control device to make the place, district that gathers materials of this vibrating disk keep an amount of chain sheet, avoid because of this gather materials the district chain sheet quantity too much, the problem of phase mutual interference when causing vibration, make those chain sheets when permutation, have good flowability, be beneficial to smooth and easy carrying out in the permutation step of those chain sheets.
Description of drawings
Fig. 1 is the flow chart of the manufacture method of chain of the present invention.
Fig. 2 is that the present invention is according to the designed equipment configuration schematic diagram of chain manufacture method.
Fig. 3 is in the chain manufacture method of the present invention, the flow chart of the directed permutation step of chain sheet.
Drawing reference numeral:
1. conveying device 2. automatic array machines
3. automatic assembling 4. detection machines
5. beat chain machine 6. platforms
7. wash key way
The specific embodiment
The specific embodiment of the manufacture method of relevant chain of the present invention, see also Figure 1 and Figure 2, the specific embodiment of this chain manufacture method mainly is to comprise a supplying step, a chain sheet random orientation permutation step, an automatic number of assembling steps, a guiding supplying step and a cleaning, wherein:
This supplying step is to utilize the automatic transport means a plurality of chain sheets that have been shaped to be delivered to the district that gathers materials of automatic array machine 2, in addition with the automatic transport means with the chain roller, chain pin is delivered to the chain roller material feeding region of automatic assembling 3 respectively, the chain pin material feeding region, aforesaid automatic transport means can be provided with self-action conveying devices such as mechanical type or pneumatic type, carry conveying devices 1 such as well-bucket or conveyer belt to be connected in chain sheet gather materials 2 of district and automatic array machines, be connected in chain roller gather materials district and 3 of automatic assemblings, and be connected in chain pin gather materials district and 3 of automatic assemblings, make those chain sheets can be by the district that gathers materials of automatic transport to automatic array machine 2, those chain rollers and chain pin respectively the automatic transport transportation means to the chain roller material feeding region of automatic assembling 3, the chain pin material feeding region.
This chain sheet random orientation permutation step is to use oscillatory type lining-up machine 2 to make the most scattered chain sheet that is positioned at the district that gathers materials give permutation and directed concentrating with vibration means, be delivered to the chain sheet feeding mouth of automatic assembling 3 again, when wherein the inner chain sheet of this chain use and outer chain sheet shape are identical, can together carry out directed permutation step in same oscillatory type lining-up machine, this inner chain sheet and outer chain sheet shape are not simultaneously, then distinguish over two oscillatory type lining-up machines 2 and carry out directed permutation step, be delivered to the inner chain sheet feeding mouth of automatic assembling more respectively, the outer chain sheet feeding mouth, as shown in Figure 3, the detailed implementation step of this chain sheet random orientation permutation step mainly includes:
One pan feeding step is to make scattered most chain sheets import the place, district that gathers materials of the vibrating disk of this lining-up machine;
One material amount control step, be to judge the gather materials chain sheet stock amount at district place of this vibrating disk with the detecting means, and according to the material amount of those chain sheets difference than predetermined value, replenish the part chain sheet that chain sheet, the importing that suspends the chain sheet or this vibrating disk of releasing gather materials and distinguish by the control device decision, in order to keep an amount of chain sheet on this vibrating disk;
One permutation step, be to make the chain sheet at the place, district that gathers materials upwards soaring in regular turn with vibration means along the loop on this vibrating disk by this vibrating disk, the vibrating disk of this oscillatory type lining-up machine can be single loop or the design of multiple tracks loop, can provide multiple tracks permutation path to provide most chain sheets to carry out permutation when wherein this vibrating disk has the multiple tracks loop and handle, accelerate the permutation processing speed of those chain sheets;
One decides square at random turns to step, is to make those chain sheets that move on the vibrating disk loop be automatically changeb to the supine kenel of same plate with limit for height and limit for width means;
One chain sheet is concentrated stacking procedure, is to utilize the progressive transition means to make on the vibrating disk chain sheet in the same way pile up concentrated with vertical material pipe that the soft mode of vertically folding falls into this vibrating disk side.
This automatic number of assembling steps is to utilize this automatic assembling 3 with the automated machine operational means, those chain sheets of military order are arranged relatively in regular turn and are positioned at chain roller both sides, make chain pin be arranged between this chain sheet, chain roller again, the chain that is concatenated into a rectangular not limit for length degree (more than at least 20,000 chain link) that continues is in regular turn sent.
This guiding supplying step is that the transmission device that utilizes mechanical actuation device to drive makes this strip chain that is concatenated into be stretched out by this automatic assembling 3 with the guiding transportation means, be the type body that forms by most chain link serial connections wherein because of this chain, the connection relationship that is implicative of each other by those chain internodes, make it in the process that guiding is carried, only needing provides strength from a certain position wherein, and it is mobile to make this chain be driven.
In the aforesaid guiding supplying step, can make on this chain guide to one platform 6 being serpentine shape, whether flaw be arranged, guarantee the quality of this chain so that artificial visual is checked the assembling of chain; Perhaps, before the strip chain that this is concatenated into is delivered to this platform 6 by automatic assembling 3 outside guidings, can comprise that still a stretching detects step, promptly utilize 4 pairs of these chains of a stretching detection machine to impose the detection that stretches, whether assemble correctly in order to judge chain.In addition, still can comprise further that a unusual chain link row is except that step, be that chain judge this composition in stretch detecting step after is assembled when unusual, utilize beat chain machine 5 in time will this unusual chain link chain pin or the chain pin in its front and back chain link removed, this chain link is separated and allow the chain chain rupture, should get rid of effectively by unusual chain link.
This cleaning is to make this chain import wash in the key way 7, utilizes this clean liquid of washing in the key way that the chain surface is imposed cleaning.
In the chain manufacture method of the present invention, can comprise that still one furls step, be to make a lot of chain roll after the cleaning close on the spool; Perhaps, chain manufacture method of the present invention also can comprise the step of a fixed length segmentation, is to impose the fixed length segment processing with a lot of chain of partition means after to cleaning.
By learning in the aforesaid explanation, the invention provides a kind of assembly method of can the automation mode carrying out chain, for chain manufactory, that only need employ minority artificial do the work of making an inspection tour or simply controls on the production line of chain, and can reduce a dead lift step, the time and labour saving, and the assembly of this chain can be by 24 hours continuity work of mechanical whole day, improve the prouctiveness of chain, improve utilization rate of equipment and installations, and can effectively avoid influencing the chain product quality of being produced because of human factor.Secondly, the present invention still can utilize in the guiding supplying step of this chain, the stretching of setting up chain detects step and judges whether chain is assembled correctly, or set up a chain link again and get rid of step unusually, assemble when unusual unusual chain link in the removal chain in order to the chain after in chain stretch to detect step, judging this compositions, thus, make the present invention in the manufacture process of chain, effectively management and control chain product quality, and raising product fine rate.
In addition, the present invention can make the chain sheet quantitatively be directed on the vibrating disk of oscillatory type lining-up machine, Quality Initiative sheet quantity effectively, make in the permutation process of those chain sheets on vibrating disk and have good flowability, and it is upwards soaring in regular turn, turn to means to make those chain sheets that on the vibrating disk loop, move be automatically changeb to the supine directed kenel of same plate by deciding square at random afterwards, and utilize the progressive transition means that directed chain sheet is fallen in the soft mode of vertically folding neatly to pile up in vertical material pipe of this vibrating disk side and design such as concentrate, make those chain sheets can automation finish its directed permutation and neatly pile up, the more important thing is, the present invention can make this vertically direct chain sheet input that is connected the chain kludge of material pipe, in time to the required chain sheet materials of kludge supply assembling, to reach manpower-free's automated job, therefore, the present invention can reduce cost, and significantly improves production capacity, for the chain manufacturing industry provides a kind of chain manufacture method that has industrial utilization.
Claims (7)
1. the manufacture method of a chain, it is characterized in that: the manufacture method of this chain comprises:
One supplying step is to be delivered to that the district that gathers materials of automatic array machine, most chain roller orientations that will be shaped are delivered to the chain roller feeding mouth of automatic assembling and most chain pin orientations that will be shaped are delivered to the chain pin feeding mouth of automatic assembling with most chain sheets that the automatic transport means will be shaped respectively;
One chain sheet random orientation permutation step is to use the oscillatory type lining-up machine to make with vibration means and is positioned at the most scattered chain sheets in district that gather materials and gives permutation and directed concentrating, and is delivered to the chain sheet feeding mouth of automatic assembling again;
One automatic number of assembling steps is to utilize this automatic assembling with the automated machine operational means, and those chain sheets of military order are arranged relatively in regular turn and are positioned at chain roller both sides, make chain pin be arranged between this chain sheet, chain roller again, continues to be concatenated into a rectangular chain and to send;
One guiding supplying step is to utilize the guiding transportation means to make this strip chain that is concatenated into be stretched out by automatic assembling;
One cleaning is to make this chain import to wash impose cleaning in the key way.
2. the manufacture method of chain as claimed in claim 1, it is characterized in that: this chain sheet random orientation permutation step is to comprise:
One pan feeding step is the place, district that gathers materials that scattered most chain sheets is imported the vibrating disk of this lining-up machine;
One material amount control step is to keep the gather materials district place of an amount of chain sheet in this vibrating disk with detecting and control device;
The step of one permutation is the chain sheet that makes the district that gathers materials locate with vibration means by this vibrating disk, and is upwards soaring in regular turn along the loop on this vibrating disk;
One decides square at random turns to step, is to make those chain sheets that move on the vibrating disk loop be automatically changeb to the supine directed kenel of same plate with limit for height and limit for width means;
One chain sheet is concentrated stacking procedure, be utilize the progressive transition means that directed chain sheet is fallen in the soft mode of vertically folding neatly to pile up in vertical material pipe of this vibrating disk side concentrated.
3. the manufacture method of chain as claimed in claim 2 is characterized in that: in the oscillatory type lining-up machine that this chain sheet random orientation permutation step is used, have the multiple tracks loop on this vibrating disk and carry out permutation for this chain sheet along those loops.
4. as the manufacture method of claim 1,2 or 3 described chains, it is characterized in that: comprise still in this chain manufacture method that a stretching detects step, be outwards to guide in the step of conveying by automatic assembling in this chain that is concatenated into, utilize a stretching detection machine that this chain is imposed to stretch and detect, judge whether chain is assembled correctly.
5. the manufacture method of chain as claimed in claim 4, it is characterized in that: comprise still in this chain manufacture method that a unusual chain link row is except that step, be that chain judge this compositions in stretch detecting step after is assembled when unusual, utilize the chain pin of the chain link of making chain machine removal in time passing through this dozen chain machine and chain rupture.
6. as the manufacture method of claim 1,2 or 3 described chains, it is characterized in that: comprising that still one furls step in this chain manufacture method, is to make a lot of chain roll after the cleaning close on the spool.
7. as the manufacture method of claim 1,2 or 3 described chains, it is characterized in that: this chain manufacture method still comprises the step of a fixed length segmentation, is to impose the fixed length segment processing with a lot of chain of partition means after to cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101629478A CN100439031C (en) | 2006-11-29 | 2006-11-29 | Method for producing articulated chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101629478A CN100439031C (en) | 2006-11-29 | 2006-11-29 | Method for producing articulated chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1951594A true CN1951594A (en) | 2007-04-25 |
| CN100439031C CN100439031C (en) | 2008-12-03 |
Family
ID=38058260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101629478A Expired - Fee Related CN100439031C (en) | 2006-11-29 | 2006-11-29 | Method for producing articulated chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100439031C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451877A (en) * | 2011-10-24 | 2012-05-16 | 太仓椿盟链传动有限公司 | Automatic chain manufacturing system and method |
| CN107148330A (en) * | 2014-09-03 | 2017-09-08 | 科斯博股份有限公司 | Method and machine for manufacturing chain subelement |
| CN108275416A (en) * | 2018-01-19 | 2018-07-13 | 湖州众诚链传动制造厂 | Quality inspection device in chain production and processing process |
| CN109664117A (en) * | 2019-01-30 | 2019-04-23 | 桑军军 | A kind of nonskid chain process equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276164B (en) * | 2015-05-29 | 2018-09-25 | 鸿富锦精密工业（深圳）有限公司 | Lining-up machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT1060954B (en) * | 1976-03-30 | 1982-09-30 | Metalmeccanica Gori | MACHINE FOR THE MANUFACTURE OF CHAINS WITH ELEMENTS OF DIFFERENTIATED LINKS |
| US4570436A (en) * | 1982-09-30 | 1986-02-18 | Wilkie Donald S | Apparatus for assembling conveyor chain |
| US4769884A (en) * | 1986-12-02 | 1988-09-13 | Philip Datseris | Robotic apparatus for automatically assembling chains |
| 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 |
| CN2098975U (en) * | 1991-07-09 | 1992-03-18 | 李�杰 | Bunker for sizing link joint |
| US6141861A (en) * | 1997-09-08 | 2000-11-07 | Amsted Industries Incorporated | Apparatus and method for control of roller chain assembly |
| CN2640658Y (en) * | 2003-05-23 | 2004-09-15 | 金牌摩托车配件（浙江）有限公司 | High speed, precision auto assembling and predrawing cut-off appts. of chain |
| CN1242862C (en) * | 2004-05-24 | 2006-02-22 | 北京工业大学 | Positioner in automatic chain assembling process |
-
2006
- 2006-11-29 CN CNB2006101629478A patent/CN100439031C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451877A (en) * | 2011-10-24 | 2012-05-16 | 太仓椿盟链传动有限公司 | Automatic chain manufacturing system and method |
| CN107148330A (en) * | 2014-09-03 | 2017-09-08 | 科斯博股份有限公司 | Method and machine for manufacturing chain subelement |
| CN108275416A (en) * | 2018-01-19 | 2018-07-13 | 湖州众诚链传动制造厂 | Quality inspection device in chain production and processing process |
| CN108275416B (en) * | 2018-01-19 | 2019-12-10 | 江苏银服智能装备有限公司 | Quality inspection device in chain production and processing process |
| CN109664117A (en) * | 2019-01-30 | 2019-04-23 | 桑军军 | A kind of nonskid chain process equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100439031C (en) | 2008-12-03 |
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Granted publication date: 20081203 Termination date: 20171129 |