CN102756060A - Spring machine with spring length adjusting device - Google Patents
Spring machine with spring length adjusting device Download PDFInfo
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- CN102756060A CN102756060A CN2012102448687A CN201210244868A CN102756060A CN 102756060 A CN102756060 A CN 102756060A CN 2012102448687 A CN2012102448687 A CN 2012102448687A CN 201210244868 A CN201210244868 A CN 201210244868A CN 102756060 A CN102756060 A CN 102756060A
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- spring
- pitch
- push broach
- eccentric bushing
- discharging opening
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Abstract
The invention discloses a spring machine with a spring length adjusting device, and belongs to the technical field of precise efficient processing and forming equipment. The spring machine is provided with a push broach which is propped against the external surface of a spring. According to the spring machine, when the pitch of the spring excesses a specified value, a control system drives a driving motor so that an eccentric sleeve rotates, and the push broach is moved back, thus, the pressure on the spring can be released, as a result, the pitch of the spring is reduced; conversely, when the pitch of the spring is less than the specified value, the pressure on the spring is increased through the push broach under the driving of the driving motor and the eccentric sleeve, thus the pitch of the spring is raised. The spring machine has simple structure, and is convenient to operate, and can effectively improve the percent of pass of the product and reduce the cost of production; and the spring machine removes the conventional mode of manually adjusting the processing cutter, and therefore the precision of the product can be greatly improved.
Description
Technical field
The present invention relates to a kind of coiling machine with spring length adjuster, can be when spring to be produced, adjustment will exceed the pitch of bound spring, and the pitch that makes product belongs to precise high-efficiency processing and former technical field near the median of prescribed limit.
Background technology
The use of coiling machine has replaced producing by hand the mode of spring in the past, and its precision is high, production efficiency is fast, but also can produce the spring of the specification shape that some manual works can't make.But also there are the substandard products of some in the spring that present coiling machine is produced.For example owing to shake during the unstable or spring forming of the variation of raw material alignment, tensile strength; Make the pitch of spring depart from setting; Though the amount that departs from is not too large, require extra high place at some service precisions, require nature also just very strict to the spring error; The product of producing so just possibly go out of use or need artificial screening, causes very big waste.The measure of adopting in the industry at present all is the whole tool position of personnel selection wage adjustment, so that the pitch of spring is controlled within the setting, still; The whole mode of personnel selection wage adjustment, its accuracy can't be protected, and possibly need adjustment repeatedly several times; Not only efficient is low, and can influence manufacturing schedule.
Summary of the invention
For addressing the above problem, it is a kind of simple and reliable for structure that the present invention provides, the coiling machine with spring length adjuster that can effectively improve the quality of products.
The technical scheme that the present invention is adopted for its problem of solution is:
A kind of coiling machine with spring length adjuster; Comprise frame; Frame is provided with discharging opening, around the discharging opening several spring process arm is installed, and said spring process arm is provided with the adjusting device that is used to adjust spring length; Said adjusting device comprises drive unit and the spring process arm end of exerting oneself, by the drive unit push broach of spring outer surface with regulating spring pitch that drive and can conflict; Said drive unit comprises that one is installed in the bearing on the spring process arm; Drive motors is installed on the bearing; Can select the higher servomotor of precision for use; The output of said drive motors is equipped with and drives the reciprocating eccentric bushing of push broach, and the axle center of drive motors output and the axle center of eccentric bushing be not on same straight line.Push broach is conflicted on the spring outer surface, and when spring pitch overshoot value, control system control drive motors rotates eccentric bushing, and push broach reduces the pressure to spring toward swivel motion, and the pitch of spring is reduced; Opposite, when spring pitch was lower than setting, push broach strengthened the pressure to spring under the driving of drive motors and eccentric bushing, and the pitch of spring is increased.
Preferably; Said drive unit also comprises by adjusting rod that is located at the cam driving translation on the frame and the connecting rod cover that is connected with adjusting rod; Eccentric bushing is plugged in the connecting rod cover; Be plugged with in the eccentric bushing and can drive the fixed axis that push broach is moved, the axle center of fixed axis and the axle center of eccentric bushing be not on same straight line, and push broach is installed in connecting rod cover opposite side.When adjusting rod stopped to move, drive motors rotated, and drove eccentric bushing and in the connecting rod cover, rotated; In addition; Because push broach and connecting rod cover and adjusting rod are fixed on the slide block simultaneously, move around in slide so the eccentric bushing rotation just can drive the push broach slide block, realize the accurate adjustment to spring pitch.
Preferably, coiling machine is provided with spring inspection lead aircraft, and inductive head that can detection springs length before said inspection lead aircraft comprises a main frame and is located at discharging opening detecting the length of spring, and is analyzed, sorted according to its length.
Preferably, the below of discharging opening is provided with the spring sorting machine, divides packing with certified products and NonConforming Parts Area.
The invention has the beneficial effects as follows: be provided with push broach and conflict on the spring outer surface, when spring pitch will the overshoot value, control system control drive motors rotated eccentric bushing, and push broach reduces the pressure to spring toward swivel motion, and the pitch of spring is reduced; Opposite, when spring pitch was lower than setting, push broach was under the driving of drive motors and eccentric bushing; Increasing increases the pitch of spring to the pressure of spring, and is simple in structure; Easy to operate, can effectively improve the qualification rate of product, reduce production costs; And abandoned the mode that process tool is put in order in end user's wage adjustment in the past, the product precision is greatly improved.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is the overall structure figure of coiling machine of the present invention;
Fig. 2 is the structure chart of spring length adjuster of the present invention;
Fig. 3 is the vertical view of eccentric bushing of the present invention and the installation of connecting rod cover;
Fig. 4 regulates the sketch map of pitch for push broach of the present invention.
The specific embodiment
A kind of coiling machine with spring length adjuster shown in accompanying drawing 1 comprises frame 1, and frame 1 is provided with discharging opening 2, and several spring process arm are installed around the discharging opening 2.The slide block 32 that said spring process arm comprises slide 31 and on slide 31, slides, the end near discharging opening 2 on the slide block 32 is equipped with process tool 33, and its other end is hinged with cranks arm 34.Said 34 middle being rotatably installed on the frame 1 of cranking arm, its other end is connected with cam 35.
The course of work of coiling machine is described below, and cam 35 rotates, and drives to crank arm 34 around its installation shaft swing with frame 1, and the 34 drive slide blocks 32 of cranking arm slidably reciprocate on slide 31.When slide block 32 slided to discharging opening 2, process tool 33 moved to the top of discharging opening 2.When spring material during from discharging opening 2 output, push up in the groove of process tool 33 front ends, force spring material flexural deformation, then according to the types of springs of being produced, use manyly process tool 33 coiling and moldings, with cutoff tool spring is cut off at last.
And for example shown in accompanying drawing 2 to the accompanying drawing 4; Coiling machine of the present invention is provided with the adjusting device 4 that is used to adjust spring length on the spring process arm; Said adjusting device 4 comprises drive unit and is installed in the spring process arm end of exerting oneself, by the drive unit push broach 41 of spring outer surface with regulating spring pitch that drive and can conflict.Said drive unit comprises that one is installed in the bearing 43 on the slide block 32; Drive motors 44 is installed on the bearing 43; Can select the higher servomotor of precision for use, the output of said drive motors 44 is equipped with eccentric bushing 45, and the side of eccentric bushing 45 is provided with two orthogonal screw holes in axle center; Through locking screw, eccentric bushing 45 is fixed on the output of drive motors 44 from both direction.The axle center of drive motors 44 outputs and the axle center of eccentric bushing 45 be not on same straight line.Push broach 41 can be directly installed on the eccentric bushing 45, but the present invention connects push broach 41 and eccentric bushing 45 through slide block 32.
The long principles illustrated of the accent of adjusting device 4 is following; It is provided with push broach 41 and conflicts on spring 5 outer surfaces; Will prescribe a time limit on the overshoot value when spring 5 pitch, control system control drive motors 44 rotates eccentric bushing 45, and push broach 41 is a little toward swivel motion; Reduce pressure, the pitch of spring 5 is reduced spring 5; Opposite, to want to prescribe a time limit under the overshoot value when spring 5 pitch, push broach 41 strengthens the pressure to spring 5 under the driving of drive motors 44 and eccentric bushing 45, the pitch of spring 5 is increased.
Further; Said drive unit also comprises by being located at passing through on the frame 1 cranks arm and 34 drives the adjusting rod 47 of translations and the connecting rod that is connected with adjusting rod 47 overlaps 46; Eccentric bushing 45 is installed in the connecting rod cover 46, and eccentric bushing 45 is enclosed within again on the fixed axis 48 simultaneously, and the axle center of the axle center of fixed axis 48 and eccentric bushing 45 is not on same straight line; Fixed axis 48 is fixed on an end of slide block 32, and push broach 41 is installed on the other end of slide block 32.Slide block 32 34 links to each other with cranking arm through fixed axis 48, eccentric bushing 45, connecting rod cover 46 and connecting rod 47.When cam 35 was static, adjusting rod 47 stopped to move with connecting rod cover 46, and drive motors 44 rotates; Drive eccentric bushing 45 and rotate, eccentric bushing 45 freely rotates on fixed axis 48, in addition; Because push broach 41 is installed on the other end of slide 31; So because connecting rod cover 46 is motionless relatively with connecting rod 47, move around in slide 31 with push broach 41 when eccentric bushing 45 rotates, realize accurate adjustment to spring 5 pitch thereby eccentric bushing 45 just is merely able to be with fixed axis 48 to drive slide block 32.
In addition, coiling machine of the present invention is provided with spring inspection lead aircraft 6, inductive head 62 that can detection springs 5 length before said spring inspection lead aircraft 6 comprises a main frame 61 and is located at discharging opening 2.After the coiling machine formed spring 5; Distance between inductive head 62 induction itself and the spring 5; The transmission data are analyzed, are regulated length, sort spring 5 according to the freely long tolerance standard of setting again after spring inspection lead aircraft 6 calculates freely growing of spring 5, and carry out sorting to product through the spring sorting machine 7 that is arranged on discharging opening 2 belows to spring inspection lead aircraft 6; Spring sorting machine 7 is provided with different outlets, is used to export certified products and overlength or ultrashort substandard product.
Spring inspection lead aircraft 6 is provided with circuit and is connected with adjusting device 4 and spring sorting machine 7 respectively.After the analysis through 6 pairs of springs 5 of spring inspection lead aircraft; If the approaching tolerance down of the length of spring 5, then spring inspection lead aircraft 6 control adjusting devices 4 are transferred length with the length of spring 5, make it near central value; If the length of spring 5 is near last tolerance; Then spring inspection lead aircraft 6 control adjusting devices 4 are transferred weak point with the length of spring 5, make it near central value, specifically transfer long operation of the aforementioned part of specification.If inductive head 62 detects defective work, then the corresponding defective products passage in the spring inspection lead aircraft 6 control spring separators 7 is opened, with another passage of underproof product orientation.Therefore; Used the present invention to have the coiling machine of spring length adjuster, the qualification rate of product reaches more than 99% from 80%, can guarantee not have defective work basically and occur; Thereby effectively improve the qualification rate of product; Reduce production costs, and abandoned the mode of the whole process tool of end user's wage adjustment in the past, the product precision is greatly improved.
Above specification is said, is merely principle of the present invention and embodiment, everyly carries out any simple modification and variation according to essence of the present invention, all belongs within the protection domain of the presently claimed invention.
Claims (4)
1. coiling machine with spring length adjuster; Comprise frame (1), frame (1) is provided with discharging opening (2), and discharging opening (2) is equipped with several spring process arm all around; It is characterized in that; Said spring process arm is provided with the adjusting device (4) that is used to adjust spring length, and said adjusting device (4) comprises drive unit and be installed in the spring process arm end of exerting oneself, by the drive unit push broach (41) of spring outer surface with regulating spring pitch that drive and can conflict; Said drive unit comprises that one is installed in the bearing (43) on the spring process arm, and drive motors (44) is installed on the bearing (43), and the output of said drive motors (44) is equipped with and drives the reciprocating eccentric bushing of push broach (41) (45).
2. a kind of coiling machine according to claim 1 with spring length adjuster; It is characterized in that; Said drive unit also comprises by adjusting rod (47) that is located at cam (35) the driving translation on the frame (1) and the connecting rod cover (46) that is connected with adjusting rod (47); Eccentric bushing (45) is plugged in the connecting rod cover (46), is plugged with in the eccentric bushing (45) to drive the fixed axis (48) that push broach (41) is moved.
3. a kind of coiling machine according to claim 1 with spring length adjuster; It is characterized in that; Coiling machine is provided with spring inspection lead aircraft (6), and said spring inspection lead aircraft (6) comprises a main frame (61) and is located at the preceding inductive head (62) of spring (5) with detection springs (5) length of can conflicting of discharging opening (2).
4. according to claim 1 or 3 described a kind of coiling machines, it is characterized in that the below of discharging opening (2) is provided with spring sorting machine (7) with spring length adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102448687A CN102756060A (en) | 2012-07-16 | 2012-07-16 | Spring machine with spring length adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102448687A CN102756060A (en) | 2012-07-16 | 2012-07-16 | Spring machine with spring length adjusting device |
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| CN102756060A true CN102756060A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102448687A Pending CN102756060A (en) | 2012-07-16 | 2012-07-16 | Spring machine with spring length adjusting device |
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| CN (1) | CN102756060A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067568A (en) * | 2016-11-18 | 2018-05-25 | 天津市宝利华峰五金制品有限公司 | A kind of spring forming machine cuts auxiliary detection device |
| CN108296732A (en) * | 2017-12-29 | 2018-07-20 | 杭州高品自动化设备有限公司 | A kind of spring material fetching mechanism |
| CN109396304A (en) * | 2018-11-19 | 2019-03-01 | 世登精密机械(昆山)有限公司 | A kind of new type auto pressure spring machine |
| CN111468648A (en) * | 2020-04-16 | 2020-07-31 | 杭州旗芳实业有限公司 | Reinforcing bar cutting length adjustment device |
| CN114210889A (en) * | 2021-12-04 | 2022-03-22 | 东风沿浦(十堰)科技有限公司 | Torsion spring forming equipment and using method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5452598A (en) * | 1993-07-26 | 1995-09-26 | Minyu Machinery Corp., Ltd. | Automatic spring formation apparatus |
| US7571630B2 (en) * | 2006-04-07 | 2009-08-11 | Kabushiki Kaisha Itaya Seisaku Sho | Spring manufacturing apparatus |
| CN101596569A (en) * | 2009-05-27 | 2009-12-09 | 珠海隆鑫科技有限公司 | Spring processing device and method |
-
2012
- 2012-07-16 CN CN2012102448687A patent/CN102756060A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5452598A (en) * | 1993-07-26 | 1995-09-26 | Minyu Machinery Corp., Ltd. | Automatic spring formation apparatus |
| US7571630B2 (en) * | 2006-04-07 | 2009-08-11 | Kabushiki Kaisha Itaya Seisaku Sho | Spring manufacturing apparatus |
| CN101596569A (en) * | 2009-05-27 | 2009-12-09 | 珠海隆鑫科技有限公司 | Spring processing device and method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067568A (en) * | 2016-11-18 | 2018-05-25 | 天津市宝利华峰五金制品有限公司 | A kind of spring forming machine cuts auxiliary detection device |
| CN108296732A (en) * | 2017-12-29 | 2018-07-20 | 杭州高品自动化设备有限公司 | A kind of spring material fetching mechanism |
| CN108296732B (en) * | 2017-12-29 | 2023-06-27 | 杭州高品自动化设备有限公司 | Spring feeding mechanism |
| CN109396304A (en) * | 2018-11-19 | 2019-03-01 | 世登精密机械(昆山)有限公司 | A kind of new type auto pressure spring machine |
| CN111468648A (en) * | 2020-04-16 | 2020-07-31 | 杭州旗芳实业有限公司 | Reinforcing bar cutting length adjustment device |
| CN111468648B (en) * | 2020-04-16 | 2021-12-14 | 山东创伟外墙保温材料集团有限公司 | Reinforcing bar cutting length adjustment device |
| CN114210889A (en) * | 2021-12-04 | 2022-03-22 | 东风沿浦(十堰)科技有限公司 | Torsion spring forming equipment and using method |
| CN114210889B (en) * | 2021-12-04 | 2023-12-08 | 东风沿浦(十堰)科技有限公司 | Torsion spring forming equipment and using method |
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Application publication date: 20121031 |