CN104959520A - Method for chain riveting, pre-stretching and center distance detecting - Google Patents
Method for chain riveting, pre-stretching and center distance detecting Download PDFInfo
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- CN104959520A CN104959520A CN201510391534.6A CN201510391534A CN104959520A CN 104959520 A CN104959520 A CN 104959520A CN 201510391534 A CN201510391534 A CN 201510391534A CN 104959520 A CN104959520 A CN 104959520A
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- chain
- hydraulic cylinder
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Abstract
The invention relates to a method for chain riveting, pre-stretching and center distance detecting. The method comprises the steps that 1, a chain is arranged on two chain wheels in a sleeving mode; 2, a pre-stretching hydraulic cylinder exerts force, a servo motor rotates simultaneously, and therefore a pin shaft of the chain is detected by a zero setting proximity switch; 3, a riveting hydraulic cylinder pushes a riveting block to move downwards to start the riveting process; 4, after the whole chain is riveted, the pre-stretching hydraulic cylinder exerts the tensile force to keep 40 seconds, and then the pre-stretching hydraulic cylinder is unloaded; 5, the pre-stretching hydraulic cylinder exerts the force to a first sliding block again, at this moment, a display displays a center distance value of the chain in real time, and the pre-stretching hydraulic cylinder is unloaded to enable the first sliding block to return an original position; 6, the chain is taken out manually. According to the method, the operation is easy and convenient, the processes are controlled automatically, the production bottleneck is solved, and the working efficiency and product quality are improved.
Description
Technical field
The present invention relates to the processing method of automobile chain, particularly relate to a kind of method that die of chain, prestretching and centre-to-centre spacing detect.
Background technology
High speed silent chain is accurate as a kind of transmission, smooth running, long-lived feature, is more and more applied in various automobile engine and transfer case.Benz, BMW, Toyota etc. occupy the brand in major part rivers and mountains, world car market all at the high speed profile of tooth chain adopting the U.S., Germany, Japanese firm to produce.Meanwhile, these international major companies producing chain maintain tight blockade on new techniques to China always.Under such condition, Some Domestic chain manufacturer cooperates with scientific research institutions, starts from nothing, develops the high speed silent chain with our intellectual property.
In the some production and processing operations of high speed silent chain, You Ji road closes key control operation (chain die, chain prestretching, chain center distance detect), plays vital effect to effective performance of whole chain performance.
Chain die is to ensure chain framework stable degree, bear chain side direction and direction of rotation repeated stock power overcome the ability of loosening moment of torsion.Chain prestretching is after the assembling of whole chain after 0.5-0.7Q heavier load prestretching, while rectification chain framework, enhances the ability of the anti-initial wear of chain, makes chain have more excellent serviceability.It is the key project must examined before chain dispatches from the factory that chain center distance detects, and under normal condition, automobile chain centre-to-centre spacing must control in the tolerance range of specified intermediate value (about 0.4mm).While guaranteeing that chain can normally be installed, play the proper property of chain to greatest extent.
Under existence conditions, realize that above technique will apply press machine, prestretching lathe, center distance measurement equipment divide three process to machine, therebetween, also relate to carrying, make a detour, operating efficiency is comparatively low.Work-yard takies very large.Under the situation produced in enormous quantities, often constrain the effective performance manufacturing production capacity.Artificial long-time operation simultaneously, product processing quality is also vulnerable to impact.
Summary of the invention
In order to solve above-mentioned technical problem, the object of this invention is to provide a kind of method that die of chain, prestretching and centre-to-centre spacing detect, the method adopts the pre-machine drawing of automatic die to make the die of chain, prestretching and centre-to-centre spacing detect three operations and completes at equipment on the same stage, process controls automatically, dissolve production bottleneck, promote operating efficiency and product quality.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of die of chain, the method that prestretching and centre-to-centre spacing detect, the pre-machine drawing of automatic die is adopted to carry out die to chain, prestretching and centre-to-centre spacing detect, the pre-machine drawing of described automatic die comprises frame, prestretching hydraulic cylinder, first slide block, take-up housing, prestretching driven gear, die counterdie, prestretching driving gear, prestretching driving shaft, second slide block, first support, die hydraulic cylinder and servomotor, described prestretching hydraulic cylinder is fixed on the outer end of the side plate of frame, described take-up housing is fixed on the side of the plate upper surface of frame, and the two ends of take-up housing are respectively equipped with the first spacing proximity switch and the second spacing proximity switch, described first skid is arranged on take-up housing, and one end of the first slide block is connected with prestretching hydraulic cylinder, the upper surface of the other end of described first slide block is fixed with driven shaft, described prestretching driven gear is set on driven shaft, described prestretching driving shaft runs through the opposite side of the base plate of frame by axle bed, described prestretching driving gear is fixed on the upper end of prestretching driving shaft, and below axle bed being positioned at prestretching driving gear is also fixed with counting proximity switch, described die counterdie is fixed on the base plate of the frame between take-up housing and prestretching driving shaft, and the side of die counterdie is fixed with zeroing proximity switch, described second slide block is arranged on the base plate of frame by slide, and the second slide block is positioned at the opposite side of die counterdie, the glide direction of the second slide block parallels with the glide direction of the first slide block, described first support is arranged on the second upper end of slide block by slide, and the glide direction of the glide direction of the first support and the second slide block is perpendicular, described die hydraulic cylinder is fixed on the first support, and the first rack side wall is arranged at intervals with up and down the 3rd spacing proximity switch and the 4th spacing proximity switch, the base plate of the frame between described second slide block and take-up housing is also fixed with slide calliper rule, and the first sliding shoe is fixed with indicator collet on the sidewall of slide calliper rule, described servomotor is fixed on the bottom of the base plate of frame by the second support, and servomotor is connected by the lower end of conveyer belt with prestretching driving shaft, described frame is also provided with transparent safety door away from the side of the second slide block, and the base plate of frame is provided with safety door proximity switch, its processing method comprises the following steps:
1) manually opened safety door switch, transparent safety door is opened, and chain is enclosed within two sprocket wheels, closed safe door switch button, and safety door is closed, and automatic flow is opened;
2) prestretching hydraulic cylinder applies the pulling force of 1-2KN to the first slide block, and by light for chain tensioning, servomotor rotates at a slow speed simultaneously, and the bearing pin of the chain proximity switch that returned to zero is detected;
3) after the initial position of chain is determined, die Hydraulic Cylinder die block moves down and starts die process, after die completes, die Driven by Hydraulic Cylinder die block moves reset, servomotor starts normally to rotate to send chain simultaneously, be rotated in place rear servomotor to stop, after the die block above moved is detected by the 3rd spacing proximity switch, hydraulic pressure die cylinder drives die block to move down to carry out die again, then die block moves, servomotor starts feeding next time, and then die, until whole chain riveting is complete, die hydraulic cylinder rises to the 4th spacing proximity switch place for the last time, servomotor stall,
4) after 0.5 second, prestretching hydraulic cylinder applies the pulling force of 110KN to the first slide block, prestretching hydraulic cylinder off-load after 40 seconds is kept to make the first slide block homing, servomotor High Rotation Speed stops after making whole chain half rotation, after 0.5 second, prestretching hydraulic cylinder applies the pulling force of 110KN again to the first slide block, keeps prestretching hydraulic cylinder off-load after 40 seconds to make the first slide block homing;
5) prestretching hydraulic cylinder applies the pulling force of 2KN again to the first slide block, and now display shows the position of indicator collet on slide calliper rule on the first slide block in real time, i.e. chain center distance numerical value, and after 1.5 seconds, the off-load of prestretching hydraulic cylinder makes the first slide block homing;
6) open safety door, take out chain by hand, again put into new chain to be processed, close protective door, open new flow process.
Method of the present invention is easy and simple to handle, and adopt the pre-machine drawing of automatic die to make the die of chain, prestretching and centre-to-centre spacing detect three operations and complete at equipment on the same stage, process controls automatically, has dissolved production bottleneck, promotes operating efficiency and product quality.
The automatic die pre-machine drawing occupied ground that the present invention adopts is little, the whole process that chain die, prestretching and centre-to-centre spacing detect is concentrated on an equipment and processes, without the need to carrying, make a detour, greatly promote operating efficiency, dissolve production bottleneck, and this equipment manual intervention is little, can effectively improve the quality of products.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the equipment that the present invention adopts.
Fig. 2 is the structure schematic diagram of the equipment that the present invention adopts.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
The pre-machine drawing of the automatic die of one as depicted in figs. 1 and 2, comprise frame, prestretching hydraulic cylinder 12, first slide block 6, take-up housing 5, prestretching driven gear 7, die counterdie 4, prestretching driving gear 8, prestretching driving shaft 15, second slide block 11, first support 10, die hydraulic cylinder 9 and servomotor 17, described prestretching hydraulic cylinder 12 is fixed on the outer end of the side plate 1 of frame, described take-up housing 5 is fixed on the side of base plate 3 upper surface of frame, and the two ends of take-up housing are respectively equipped with the first spacing proximity switch 51 and the second spacing proximity switch 52, described first slide block 6 is slidably arranged on take-up housing 5, and one end of the first slide block 6 is connected with prestretching hydraulic cylinder 12, the upper surface of the other end of described first slide block 6 is fixed with driven shaft, described prestretching driven gear 7 is set on driven shaft, described prestretching driving shaft 15 runs through the opposite side of the base plate 3 of frame by axle bed, described prestretching driving gear 8 is fixed on the upper end of prestretching driving shaft 15, and below axle bed being positioned at prestretching driving gear 8 is also fixed with counting proximity switch 81, described die counterdie 4 is fixed on the base plate 3 of the frame between take-up housing 5 and prestretching driving shaft 15, and the side of die counterdie 4 is fixed with zeroing proximity switch 41, described second slide block 11 is arranged on the base plate 3 of frame by slide, and the second slide block 11 is positioned at the opposite side of die counterdie 4, the glide direction of the second slide block 11 parallels with the glide direction of the first slide block 6, described first support 10 is arranged on the second slide block 11 upper end by slide, and the glide direction of the glide direction of the first support 10 and the second slide block 11 is perpendicular, described die hydraulic cylinder 9 is fixed on the first support 10, and the first support 10 sidewall is arranged at intervals with up and down the 3rd spacing proximity switch 91 and the 4th spacing proximity switch 92, the base plate 3 of the frame between described second slide block 11 and take-up housing 5 is also fixed with slide calliper rule 13, and the first sliding shoe 6 is fixed with indicator collet 14 on the sidewall of slide calliper rule 13, described servomotor 17 is fixed on the bottom of the base plate 3 of frame by the second support 16, and servomotor 17 is connected by the lower end of conveyer belt with prestretching driving shaft 15.Described frame is also provided with transparent safety door 1 away from the side of the second slide block 11 and the base plate 3 of frame is provided with safety door proximity switch 18.
The centre-to-centre spacing median value range of general chain is roughly between 210-245mm.Prestretching sprocket wheel external diameter is generally between 80-100mm.So just cause spacing only about the 100-140mm of two prestretching sprocket wheels.Such Small Distance is to abnormal and need arrange that pre-tensioning device causes very large challenge to chain for avoiding chain tooth to jump the engagements such as tooth when chain die.Chain pre-tensioning 2KN simultaneously, die power 23KN, pretension 110KN, the pretension range of application of wide cut needs frequently to switch accurately, is a no small challenge equally.Therefore take accurate proportional valve control system for each hydraulic system meeting the pre-machine drawing of the automatic die of above-mentioned requirements, consider for safety and operational comfort aspect, the whole process layout of the pre-machine drawing of automatic die adopts horizontal placement scheme.
The pre-machine drawing of this automatic die is adopted to comprise the following steps the method that chain carries out die, prestretching and center distance measurement:
1) manually opened safety door switch, transparent safety door is opened, and chain is enclosed within two sprocket wheels, closed safe door switch button, and safety door is closed, and automatic flow is opened;
2) prestretching hydraulic cylinder applies the pulling force of 1-2KN to the first slide block, and by light for chain tensioning, servomotor rotates at a slow speed simultaneously, and the bearing pin of the chain proximity switch that returned to zero is detected;
3) after the initial position of chain is determined, die Hydraulic Cylinder die block moves down and starts die process, after die completes, die Driven by Hydraulic Cylinder die block moves reset, servomotor starts normally to rotate to send chain simultaneously, be rotated in place rear servomotor to stop, after the die block above moved is detected by the 3rd spacing proximity switch, hydraulic pressure die cylinder drives die block to move down to carry out die again, then die block moves, servomotor starts feeding next time, and then die, until whole chain riveting is complete, die hydraulic cylinder rises to the 4th spacing proximity switch place for the last time, servomotor stall,
4) after 0.5 second, prestretching hydraulic cylinder applies the pulling force of 110KN to the first slide block, prestretching hydraulic cylinder off-load after 40 seconds is kept to make the first slide block homing, servomotor High Rotation Speed stops after making whole chain rotate 1/4th circles, after 0.5 second, prestretching hydraulic cylinder applies the pulling force of 110KN again to the first slide block, keeps prestretching hydraulic cylinder off-load after 40 seconds to make the first slide block homing;
5) prestretching hydraulic cylinder applies the pulling force of 2KN again to the first slide block, and now display shows the position of indicator collet on slide calliper rule on the first slide block in real time, i.e. chain center distance numerical value, and after 1.5 seconds, the off-load of prestretching hydraulic cylinder makes the first slide block homing;
6) open safety door, take out chain by hand, again put into new chain to be processed, close protective door, open new flow process.
Claims (1)
1. the die of a chain, the method that prestretching and centre-to-centre spacing detect, it is characterized in that: adopt the pre-machine drawing of automatic die to carry out die to chain, prestretching and centre-to-centre spacing detect, the pre-machine drawing of described automatic die comprises frame, prestretching hydraulic cylinder, first slide block, take-up housing, prestretching driven gear, die counterdie, prestretching driving gear, prestretching driving shaft, second slide block, first support, die hydraulic cylinder and servomotor, described prestretching hydraulic cylinder is fixed on the outer end of the side plate of frame, described take-up housing is fixed on the side of the plate upper surface of frame, and the two ends of take-up housing are respectively equipped with the first spacing proximity switch and the second spacing proximity switch, described first skid is arranged on take-up housing, and one end of the first slide block is connected with prestretching hydraulic cylinder, the upper surface of the other end of described first slide block is fixed with driven shaft, described prestretching driven gear is set on driven shaft, described prestretching driving shaft runs through the opposite side of the base plate of frame by axle bed, described prestretching driving gear is fixed on the upper end of prestretching driving shaft, and below axle bed being positioned at prestretching driving gear is also fixed with counting proximity switch, described die counterdie is fixed on the base plate of the frame between take-up housing and prestretching driving shaft, and the side of die counterdie is fixed with zeroing proximity switch, described second slide block is arranged on the base plate of frame by slide, and the second slide block is positioned at the opposite side of die counterdie, the glide direction of the second slide block parallels with the glide direction of the first slide block, described first support is arranged on the second upper end of slide block by slide, and the glide direction of the glide direction of the first support and the second slide block is perpendicular, described die hydraulic cylinder is fixed on the first support, and the first rack side wall is arranged at intervals with up and down the 3rd spacing proximity switch and the 4th spacing proximity switch, the base plate of the frame between described second slide block and take-up housing is also fixed with slide calliper rule, and the first sliding shoe is fixed with indicator collet on the sidewall of slide calliper rule, described servomotor is fixed on the bottom of the base plate of frame by the second support, and servomotor is connected by the lower end of conveyer belt with prestretching driving shaft, described frame is also provided with transparent safety door away from the side of the second slide block, and the base plate of frame is provided with safety door proximity switch, its processing method comprises the following steps:
1) manually opened safety door switch, transparent safety door is opened, and chain is enclosed within two sprocket wheels, closed safe door switch button, and safety door is closed, and automatic flow is opened;
2) prestretching hydraulic cylinder applies the pulling force of 1-2KN to the first slide block, and by light for chain tensioning, servomotor rotates at a slow speed simultaneously, and the bearing pin of the chain proximity switch that returned to zero is detected;
3) after the initial position of chain is determined, die Hydraulic Cylinder die block moves down and starts die process, after die completes, die Driven by Hydraulic Cylinder die block moves reset, servomotor starts normally to rotate to send chain simultaneously, be rotated in place rear servomotor to stop, after the die block above moved is detected by the 3rd spacing proximity switch, hydraulic pressure die cylinder drives die block to move down to carry out die again, then die block moves, servomotor starts feeding next time, and then die, until whole chain riveting is complete, die hydraulic cylinder rises to the 4th spacing proximity switch place for the last time, servomotor stall,
4) after 0.5 second, prestretching hydraulic cylinder applies the pulling force of 110KN to the first slide block, prestretching hydraulic cylinder off-load after 40 seconds is kept to make the first slide block homing, servomotor High Rotation Speed stops after making whole chain rotate 1/4th circles, after 0.5 second, prestretching hydraulic cylinder applies the pulling force of 110KN again to the first slide block, keeps prestretching hydraulic cylinder off-load after 40 seconds to make the first slide block homing;
5) prestretching hydraulic cylinder applies the pulling force of 2KN again to the first slide block, and now display shows the position of indicator collet on slide calliper rule on the first slide block in real time, i.e. chain center distance numerical value, and after 1.5 seconds, the off-load of prestretching hydraulic cylinder makes the first slide block homing;
6) open safety door, take out chain by hand, again put into new chain to be processed, close protective door, open new flow process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391534.6A CN104959520B (en) | 2015-07-01 | 2015-07-01 | Method for chain riveting, pre-stretching and center distance detecting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510391534.6A CN104959520B (en) | 2015-07-01 | 2015-07-01 | Method for chain riveting, pre-stretching and center distance detecting |
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| CN104959520A true CN104959520A (en) | 2015-10-07 |
| CN104959520B CN104959520B (en) | 2017-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948865A (en) * | 2024-03-26 | 2024-04-30 | 山西恒瑞昆新材料技术有限公司 | Chain center distance measuring equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483959A (en) * | 1987-08-18 | 1989-03-29 | Blount Inc | Rivet stopping method of metallic plate paired with rivet stop structure |
| US4949446A (en) * | 1989-07-25 | 1990-08-21 | Daniel Kuwica | Rivet remover |
| CN2772680Y (en) * | 2004-12-29 | 2006-04-19 | 宣碧华 | Knocking head riveter |
| CN102962394A (en) * | 2012-12-25 | 2013-03-13 | 杭州东华链条集团有限公司 | Automatic continuous pretensioning equipment for chains with accessories |
| CN103056272A (en) * | 2013-01-11 | 2013-04-24 | 杭州东华链条集团有限公司 | Servo transmission hydraulic head-riveting equipment |
-
2015
- 2015-07-01 CN CN201510391534.6A patent/CN104959520B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483959A (en) * | 1987-08-18 | 1989-03-29 | Blount Inc | Rivet stopping method of metallic plate paired with rivet stop structure |
| US4949446A (en) * | 1989-07-25 | 1990-08-21 | Daniel Kuwica | Rivet remover |
| CN2772680Y (en) * | 2004-12-29 | 2006-04-19 | 宣碧华 | Knocking head riveter |
| CN102962394A (en) * | 2012-12-25 | 2013-03-13 | 杭州东华链条集团有限公司 | Automatic continuous pretensioning equipment for chains with accessories |
| CN103056272A (en) * | 2013-01-11 | 2013-04-24 | 杭州东华链条集团有限公司 | Servo transmission hydraulic head-riveting equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117948865A (en) * | 2024-03-26 | 2024-04-30 | 山西恒瑞昆新材料技术有限公司 | Chain center distance measuring equipment |
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| CN104959520B (en) | 2017-01-18 |
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