CN202701230U - Spring machine with spring length adjusting device - Google Patents
Spring machine with spring length adjusting device Download PDFInfo
- Publication number
- CN202701230U CN202701230U CN 201220342623 CN201220342623U CN202701230U CN 202701230 U CN202701230 U CN 202701230U CN 201220342623 CN201220342623 CN 201220342623 CN 201220342623 U CN201220342623 U CN 201220342623U CN 202701230 U CN202701230 U CN 202701230U
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- CN
- China
- Prior art keywords
- spring
- eccentric bushing
- adjusting device
- discharging opening
- push broach
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Abstract
The utility model discloses a spring machine with a spring length adjusting device and belongs to the technical field of precise efficient machining and molding devices. A push knife is arranged to butt against the outer surface of a spring in contact mode. When a spring thread pitch nearly exceeds a specified value, a control system controls a driving motor to enable an eccentric sleeve to rotate, the push knife moves backwards, pressure on the spring is reduced, and the spring thread pitch is reduced. On the contrary, when the spring thread pitch is lower than the specified value, under the driving of the driving motor and the eccentric sleeve, pressure of the push knife on the spring is increased, and the spring thread pitch is increased. The spring machine with the spring length adjusting device is simple in structure, convenient to operate and capable of effectively improving yield of products, reduces production cost, can omit a traditional method of adjusting and machining a cutter manually, and enables product precision to be improved greatly.
Description
Technical field
The utility model relates to a kind of coiling machine with spring length adjuster, can be when spring be produced, adjustment will exceed the pitch of bound spring, make the pitch of product near the median of prescribed limit, belong to precise high-efficiency processing and former technical field.
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 some the specification shapes that manually 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, although the amount that departs from is not too large, but require extra high place at some service precisions, require nature also just very strict to the spring error, the product of producing so just may go out of use or need artificial screening, causes very large waste.The measure of adopting in the industry at present all is the whole tool position of employment wage adjustment, so that the pitch of spring is controlled within the setting, still, the mode that the employment wage adjustment is whole, its accuracy can't be protected, and may need repeatedly to adjust several times, not only efficient is low, and can affect manufacturing schedule.
Summary of the invention
For addressing the above problem, it is a kind of simple and reliable for structure that the utility model provides, the coiling machine with spring length adjuster that can the Effective Raise product quality.
The utility model is that the technical scheme that its problem of solution adopts is:
A kind of coiling machine with spring length adjuster, comprise frame, frame is provided with discharging opening, several spring process arm are installed around the discharging opening, described spring process arm is provided with for the adjusting device of adjusting spring length, described adjusting device comprises drive unit and is installed in 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; Described 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, the output of described 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 exceeded setting, control system control drive motors rotated eccentric bushing, and push broach is back moved, and reduces the pressure to spring, 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, described drive unit also comprises by the adjusting rod that is located at the actuated by cams 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.When adjusting rod stopped to move, drive motors rotated, and drove eccentric bushing and rotated in the connecting rod cover, 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 described 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 separator for spring, divides packing with certified products and NonConforming Parts Area.
The beneficial effects of the utility model are: be provided with push broach and conflict on the spring outer surface, when spring pitch will exceed setting, control system control drive motors rotated eccentric bushing, and push broach is back moved, reduce the pressure to spring, the pitch of spring is reduced; Opposite, when spring pitch is lower than setting, push broach strengthens the pressure to spring under the driving of drive motors and eccentric bushing, the pitch of spring is increased, simple in structure, easy to operate, qualification rate that can the Effective Raise product reduces production costs, and abandoned the mode of the whole process tool of in the past end user's wage adjustment, Product Precision is greatly improved.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the overall structure figure of the utility model coiling machine;
Fig. 2 is the structure chart of the utility model spring length adjuster;
Fig. 3 is the top view that the utility model eccentric bushing and connecting rod cover are installed;
Fig. 4 is the schematic diagram that pitch is regulated in the utility model push broach.
The specific embodiment
A kind of coiling machine with spring length adjuster as shown in Figure 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.Described spring process arm comprises slide 31 and the slide block 32 that slides at slide 31, and 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.Described 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 driving cranks arm 34 swings around its installation shaft with frame 1, cranks arm 34 to be with movable sliders 32 to slidably reciprocate at 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, the top forces spring material flexural deformation in the groove of process tool 33 front ends, then according to the types of springs of producing, uses manyly process tool 33 coiling and moldings, with cutoff tool spring is cut off at last.
And for example accompanying drawing 2 is to shown in the accompanying drawing 4, coiling machine of the present utility model is provided with for the adjusting device 4 of adjusting spring length in the spring process arm, described 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.Described 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, the output of described drive motors 44 is equipped with eccentric bushing 45, the side of eccentric bushing 45 is provided with two orthogonal screw holes in axle center, by locking screw from both direction, eccentric bushing 45 is fixed on the output of drive motors 44.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 utility model connects push broach 41 and eccentric bushing 45 by slide block 32.
The long principles illustrated of the accent of adjusting device 4 is as follows, it is provided with push broach 41 and conflicts on spring 5 outer surfaces, when will exceeding on the setting, spring 5 pitch prescribe a time limit, control system control drive motors 44 rotates eccentric bushing 45, push broach 41 is a little back moved, reduce the pressure to spring 5, the pitch of spring 5 is reduced; Opposite, when will exceeding under the setting, spring 5 pitch prescribe a time limit, and 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, described 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, be plugged with in the eccentric bushing 45 and can drive the fixed axis 48 that push broach 41 is moved, 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 by fixed axis 48, eccentric bushing 45, connecting rod cover 46 and connecting rod 47.When cam 35 is static, adjusting rod 47 and connecting rod cover 46 stop mobile, drive motors 44 rotates, and drives eccentric bushing 45 and rotates, and eccentric bushing 45 freely rotates on fixed axis 48, in addition, because push broach 41 is installed on the other end of slide 31, thus when eccentric bushing 45 rotates because connecting rod cover 46 is relative motionless with connecting rod 47, eccentric bushing 45 just is merely able to drive fixed axis 48, thereby band movable slider 32 and push broach 41 move around in slide 31, realize the accurate adjustment to spring 5 pitch.
In addition, the utility model coiling machine is provided with spring inspection lead aircraft 6, inductive head 62 that can detection springs 5 length before described 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 of data is to spring inspection lead aircraft 6, according to the freely long tolerance standard of setting spring 5 is analyzed, regulated length, sorts again after spring inspection lead aircraft 6 calculates freely growing of spring 5, and product carried out sorting by the separator for spring 7 that is arranged on discharging opening 2 belows, separator for spring 7 is provided with different outlets, is used for output 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 separator for spring 7 respectively.After the analysis through 6 pairs of springs 5 of spring inspection lead aircraft, if the length of spring 5 approaches lower tolerance, then spring inspection lead aircraft 6 control adjusting devices 4 are transferred the length of spring 5 long, make it near central value, if the length of spring 5 approaches upper tolerance, then spring inspection lead aircraft 6 control adjusting devices 4 are transferred the length of spring 5 short, make it near central value, specifically transfer long operation as described in 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 coiling machine that the utlity model has the spring length adjuster, the qualification rate of product reaches more than 99% from 80%, substantially can guarantee to occur without defective work, thereby the qualification rate of Effective Raise product, reduce production costs, and abandoned the mode of the whole process tool of in the past end user's wage adjustment, Product Precision is greatly improved.
Above specification is described, only is principle of the present utility model and embodiment, everyly carries out any simple modification and variation according to essence of the present utility model, all belongs within the desired protection domain of the utility model.
Claims (4)
1. coiling machine with spring length adjuster, comprise frame (1), frame (1) is provided with discharging opening (2), discharging opening (2) is equipped with several spring process arm all around, it is characterized in that, described spring process arm is provided with for the adjusting device (4) of adjusting spring length, and described adjusting device (4) comprises drive unit and is installed in the spring process arm end of exerting oneself, drives the push broach (41) of spring outer surface with regulating spring pitch of also can conflicting by drive unit; Described 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 described drive motors (44) is equipped with and drives the reciprocating eccentric bushing of push broach (41) (45).
2. a kind of coiling machine with spring length adjuster according to claim 1, it is characterized in that, described drive unit also comprises by the 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 mobile fixed axis (48) of push broach (41).
3. a kind of coiling machine with spring length adjuster according to claim 1, it is characterized in that, coiling machine is provided with spring inspection lead aircraft (6), and described spring inspection lead aircraft (6) comprises a main frame (61) and is located at the front 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 with spring length adjuster, it is characterized in that the below of discharging opening (2) is provided with separator for spring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342623 CN202701230U (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 |
|---|---|---|---|
| CN 201220342623 CN202701230U (en) | 2012-07-16 | 2012-07-16 | Spring machine with spring length adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701230U true CN202701230U (en) | 2013-01-30 |
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ID=47581570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342623 Expired - Fee Related CN202701230U (en) | 2012-07-16 | 2012-07-16 | Spring machine with spring length adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880431A (en) * | 2014-05-05 | 2016-08-24 | 惠州市精力五金弹簧制造有限公司 | Hermetically sealed can lock production device |
-
2012
- 2012-07-16 CN CN 201220342623 patent/CN202701230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880431A (en) * | 2014-05-05 | 2016-08-24 | 惠州市精力五金弹簧制造有限公司 | Hermetically sealed can lock production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20190716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |