CN203323668U - Spatial position detection device and detection system for eccentric spring - Google Patents
Spatial position detection device and detection system for eccentric spring Download PDFInfo
- Publication number
- CN203323668U CN203323668U CN2013203144119U CN201320314411U CN203323668U CN 203323668 U CN203323668 U CN 203323668U CN 2013203144119 U CN2013203144119 U CN 2013203144119U CN 201320314411 U CN201320314411 U CN 201320314411U CN 203323668 U CN203323668 U CN 203323668U
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- rotating shaft
- eccentric spring
- spring
- positioning disk
- eccentric
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Abstract
The utility model discloses a spatial position detection device for an eccentric spring, which comprises an eccentric spring positioning mechanism and a coordinate measuring mechanism used for measuring the two-dimensional coordinates of the spring coil of the eccentric spring. The eccentric spring positioning mechanism comprises a pair of brackets, a rotating shaft, a rotating shaft drive mechanism capable of controlling the rotation angle of the rotating shaft, and a pair of positioning discs used for respectively fixing the two ends of the eccentric spring. The rotating shaft is rotatably supported onto the pair of brackets. The pair of positioning discs are sleeved onto the rotating shaft and are capable of rotating along with the rotating shaft. The utility model also discloses a detection system for the eccentric spring. According to the technical scheme of the utility model, by means of the eccentric spring positioning mechanism and the coordinate measuring mechanism, the spatial coordinate positions of the spring coil of the eccentric spring can be conveniently and rapidly obtained. Therefore, the tolerances of the pitch and the external diameter of the eccentric spring can be determined.
Description
Technical field
The utility model relates to the spring technical field, relates in particular to the quality inspection technology of eccentric spring.
Background technology
At present, to eccentric spring mainly with height gauge and vernier caliper check respectively the external diameter of eccentric spring and pitch whether qualified.This method of inspection needs the reviewer seriatim the turn of eccentric spring to be measured, and needs the artificial measuring position of adjusting eccentric spring, and not only checkability is low, and the accuracy of assay also is difficult to be guaranteed.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of eccentric spring locus pick-up unit that can measure easily and quickly the two-dimensional coordinate of eccentric spring.
Another technical matters to be solved in the utility model is to provide a kind of pitch and whether qualified detection system of external diameter that can detect quickly and easily eccentric spring.
The utility model provides a kind of eccentric spring locus pick-up unit, comprise: eccentric spring positioning device, described eccentric spring positioning device comprises pair of brackets, rotating shaft, can control rotating shaft driving mechanism and a pair of positioning disk for respectively the two ends of eccentric spring being located of the rotational angle of rotating shaft; The rotating shaft rotatably support is on this pair of brackets, and a pair of positioning disk all is set in rotating shaft, and can rotate with rotating shaft; Measurement of coordinates mechanism, for the two-dimensional coordinate of the turn of measuring eccentric spring.
The utility model provides a kind of eccentric spring detection system, comprising:
Eccentric spring positioning device, this bias spring positioning device comprises pair of brackets, rotating shaft, can control rotating shaft driving mechanism and a pair of positioning disk for respectively the two ends of eccentric spring being located of the rotational angle of rotating shaft; The rotating shaft rotatably support is on this pair of brackets, and a pair of positioning disk all is set in rotating shaft, and can rotate with rotating shaft; This pair of positioning disk comprises the first positioning disk and the second positioning disk; Be equipped with n the clamp storage tank radially extended on the periphery of the first positioning disk and the second positioning disk, this n clamp storage tank is one by one corresponding to n measuring position of eccentric spring, angle between adjacent every two clamp storage tanks is θ, wherein, n is more than or equal to 4 integer, θ=360 °/n;
N pitch clamp is corresponding one by one with the eccentric spring outline of n measuring position respectively; The side opening of each pitch clamp is provided with a plurality of draw-in grooves of a plurality of turns for snapping in respectively correspondingly eccentric spring, and the width of rebate of each draw-in groove equals corresponding turn in the pitch tolerance with this corresponding measuring position of pitch clamp; This pitch clamp comprises matrix part and lays respectively at the first end tooth section and the second end tooth section at these matrix part two ends, for the draw-in groove of the end spring circle that snaps in eccentric both ends of the spring, lays respectively at this first end tooth section and the second end tooth section; The clamp storage tank of the first positioning disk and the clamp storage tank of the second positioning disk can be distinguished accommodating this first end tooth section and the second end tooth section.
The beneficial effects of the utility model are:
1. the utility model relies on eccentric spring positioning device and measurement of coordinates mechanism can facilitate, promptly obtain the volume coordinate position of the turn of eccentric spring, thereby determines the tolerance of pitch and external diameter;
2. pitch clamp of the present utility model can once complete pitch and the external diameter check to all turns of eccentric spring to be measured, and measured without the turn to eccentric spring seriatim, thereby greatly improved the accuracy of checkability and check, and operation is very easy.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the eccentric spring of the utility model locus pick-up unit.
Fig. 2 is the structural representation according to the first positioning disk of the utility model one embodiment.
Fig. 3 is the structural representation according to the second positioning disk of the utility model one embodiment.
Fig. 4 is the structural representation according to the vertical angle measurement head of the utility model one embodiment.
Fig. 5 is the structural representation according to the pitch clamp of the utility model one embodiment.
Fig. 6 measures the schematic diagram of eccentric spring according to the pitch clamp of the utility model one embodiment.
Fig. 7 is the local enlarged diagram of Fig. 6.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
With reference to figure 1.Eccentric spring locus pick-up unit according to the utility model one embodiment, comprise eccentric spring positioning device 100 and measurement of coordinates mechanism 200.Eccentric spring positioning device 100 comprises base 11, pair of brackets 12, rotating shaft 13, can control rotating shaft driving mechanism and a pair of positioning disk for respectively the two ends of eccentric spring 300 being located of the rotational angle of rotating shaft 13.
Rotating shaft 13 rotatably supports are on this pair of brackets 12, and in one embodiment, the two ends of rotating shaft 13 are provided with thimble, and this pair of brackets 12 is provided with the thimble groove, and the thimble at rotating shaft 13 two ends stretches into respectively in the thimble groove of this pair of brackets 12.The rotating shaft driving mechanism is index plate 14, and index plate 14 is set in rotating shaft 13, and the mode connected by keyway is connected with rotating shaft 13.When operating personnel's hand-turning index plate, rotating shaft 13 is also rotated thereupon.
A pair of positioning disk comprises the first positioning disk 15 and the second positioning disk 16.This pair of positioning disk all is set in rotating shaft 13, and can rotate with rotating shaft 13.Preferably, the mode that this pair of positioning disk connects by keyway is connected with rotating shaft 13.As shown in Figures 2 and 3, in one embodiment, an end of eccentric spring is plane, and the other end is helicoid; The surface of the first positioning disk 15 be provided with can be by the end spring snare of eccentric spring one end boss 150 thereon, the surface of the second positioning disk 16 is provided with and the end spring circle of the eccentric spring other end can be embedded to spiral groove 160 wherein, and the end spring circle of the shape of spiral groove 160 and the eccentric spring other end is suitable.
Measurement of coordinates mechanism 200 is for measuring the turn two-dimensional coordinate of eccentric spring.Measurement of coordinates mechanism 200 comprises vertical angle measurement head 21, can drive two-dimension translational mechanism that this vertical angle measurement head 21 moves and move along the Y direction perpendicular to rotating shaft along the X-direction that is parallel to rotating shaft and for the measurement mechanism of the coordinate figure of the measurement point of determining this vertical angle measurement head.As shown in Figure 4, vertical angle measurement head 21 comprises base portion 211 and lug boss 212.Lug boss 212 is convexly equipped with at the top of base portion 211, and a side of lug boss 212 is to measure limit 214, measures limit 214 mutually vertical with the top margin 213 of base portion, and when measuring, this measurement limit 214 and this top margin 213 are simultaneously tangent with the turn of eccentric spring.Two-dimension translational mechanism comprises base 221, be arranged on longitudinal rail 223 on base 221, the first slide block 224 of longitudinally guide rail 223 slippages, be arranged on cross slide way 225 on the first slide block 223, can be along the second slide block 226 of cross slide way 225 slippages.The bearing of trend of longitudinal rail 223 and cross slide way 225 is parallel with Y direction with described X-direction respectively, and vertical angle measurement head 21 is fixed on this second slide block 226.
Above-mentioned eccentric spring locus pick-up unit is determined the pitch tolerance of eccentric spring and the method for external diameter tolerance, comprises the following steps:
Step 1, choose the eccentric spring more than 8 at random.
Step 2, wherein any eccentric spring is set in rotating shaft 13, and the two ends of this bias spring are positioned at respectively on a pair of positioning disk 15,16.
Step 3, rotate by rotating shaft driving mechanism drive shaft 13, and eccentric spring 300 is switched between n measuring position, n is more than or equal to 4 integer, switching between adjacent every two measuring positions can turn over the θ angle by rotating shaft driving mechanism drive shaft and realize, wherein, and θ=360 °/n; Measurement of coordinates mechanism 200, all determines a measurement point, and measures the coordinate figure of this measurement point during in each measuring position at each turn of eccentric spring on this turn.In a concrete embodiment, at each turn of eccentric spring, during in each measuring position, the measurement limit 214 of vertical angle measurement head and top margin 213 are simultaneously tangent with the turn of eccentric spring.At the measurement limit 214 of vertical angle measurement head 21 and top margin 213 when simultaneously tangent with the turn of eccentric spring, can send the measurement mechanism of the signal of measurement coordinate to measurement of coordinates mechanism, this measurement mechanism determines that the center of circle of tangent turn xsect is measurement point with measuring limit 214 and top margin 213 simultaneously, and the digital display module of measurement mechanism can demonstrate the coordinate figure in this center of circle.This coordinate figure is for example to using the center of circle of positioning disk 16 as the coordinate figure of true origin.
In one embodiment, eccentric spring has 4 measuring positions, i.e. 0 ° of position, 90o position, 180o position and 270o position.At eccentric spring, during in 0 ° of position, make measurement of coordinates mechanism 200 measure respectively successively the coordinate of each turn.Complete the measurement of coordinates of all turns of 0o position in measurement of coordinates mechanism after, by rotating shaft driving mechanism drive shaft, turn over 90o, then measurement of coordinates mechanism completes the measurement of coordinates of all turns of 90o position.The rest may be inferred, and measurement of coordinates mechanism completes the measurement of coordinates of all turns of 180o position and 270o position.
Step 4, take off the eccentric spring that completes measurement from rotating shaft, successively remaining eccentric spring is installed on spring positioning device one by one, and eccentric spring of every installation, repeat above-mentioned step 2 and step 3.
Step 5, according to the coordinate data of the measurement point of the many eccentric springs of measuring, determine external diameter tolerance and the pitch tolerance of each measurement point of each turn of eccentric spring.The external diameter tolerance of this measurement point and pitch tolerance namely this turn in external diameter tolerance and the pitch tolerance of the measuring position at this measurement point place, like this, just can obtain external diameter tolerance and the pitch tolerance of each turn in 0 ° of position, 90o position, 180o position and 270o position.In one embodiment, can adopt matrix method to determine external diameter tolerance and the pitch tolerance of each measurement point.The long limit of matrix and the length of minor face are respectively the poor of the greatest measurement of the difference of the greatest measurement of y axial coordinate of this measurement point of many springs and minimum measured value and x axial coordinate and minimum measured value.
Eccentric spring detection system according to the utility model one embodiment, comprise the eccentric spring positioning device 100 shown in Fig. 1 and respectively with the eccentric spring outline of n measuring position one to one n pitch clamp 500(Fig. 5 show the structural representation of one of them pitch clamp), wherein, n is more than or equal to 4 integer.Eccentric spring positioning device 100 comprises base 11, pair of brackets 12, rotating shaft 13, can control rotating shaft 13 rotational angle the rotating shaft driving mechanism and for a pair of positioning disk at the two ends of location eccentricity spring 300 respectively.
Rotating shaft 3 rotatably supports are on this pair of brackets 12, and in one embodiment, the two ends of rotating shaft 13 are provided with thimble, and this pair of brackets 12 is provided with the thimble groove, and the thimble at rotating shaft 13 two ends stretches into respectively in the thimble groove of this pair of brackets 12.The rotating shaft driving mechanism is index plate 14, and index plate 14 is set in rotating shaft 13, and the mode connected by keyway is connected with rotating shaft 13.When operating personnel's hand-turning index plate, rotating shaft 13 is also rotated thereupon.
A pair of positioning disk comprises the first positioning disk 15 and the second positioning disk 16.This pair of positioning disk all is set in rotating shaft 13, and can rotate with rotating shaft 13.As shown in Figures 2 and 3, in one embodiment, an end of eccentric spring is plane, and the other end is helicoid; The surface of the first positioning disk 15 be provided with can be by the end spring snare of eccentric spring one end boss 150 thereon, the surface of the second positioning disk 16 is provided with and the end spring circle of the eccentric spring other end can be embedded to spiral groove 160 wherein, and the end spring circle of the shape of spiral groove 160 and the eccentric spring other end is suitable.
The periphery of the first positioning disk 15 is provided with n the clamp storage tank 151 radially extended, be equipped with n the clamp storage tank 161 radially extended on the periphery of the second positioning disk 16, this n clamp storage tank is one by one corresponding to n measuring position of eccentric spring, angle between adjacent every two clamp storage tanks is θ, wherein, n is more than or equal to 4 integer, θ=360 °/n.
The side opening of each pitch clamp 500 is provided with a plurality of draw-in grooves 53 of a plurality of turns for snapping in respectively correspondingly eccentric spring, and the width of rebate W of each draw-in groove equals corresponding turn in the pitch tolerance with this corresponding measuring position of pitch clamp.This pitch clamp comprises matrix part 50 and lays respectively at the first end tooth section 51 and the second end tooth section 52 at matrix part 50 two ends, for the draw-in groove of the end spring circle that snaps in eccentric both ends of the spring, lays respectively at this first end tooth section 51 and the second end tooth section 52.The clamp storage tank 151 of the first positioning disk and the clamp storage tank 161 of the second positioning disk can be distinguished accommodating this first end tooth section 51 and the second end tooth section 52.
Each draw-in groove 53 comprises two sides 531,532 of base 533 and space.In a kind of preferred implementation, wherein the bottom of at least one side is provided with groove 54, and the width of rebate L of groove 54 equals corresponding turn in the external diameter tolerance with this corresponding measuring position of pitch clamp.Above-mentioned pitch tolerance and external diameter tolerance can obtain by the pitch tolerance of aforesaid definite eccentric spring and the method for external diameter tolerance.In figure, two sides 531,532 of draw-in groove are parallel to each other, and in the bottom of two sides, are equipped with groove 54.Two sides 541,542 of groove 54 are parallel to each other, base 533 conllinear of side 541 and draw-in groove, and side 542 is perpendicular to side 531.
Above-mentioned detection system detects the method for eccentric spring, comprises the following steps:
Step 1, be set on eccentric spring to be measured in rotating shaft 13, and the two ends of eccentric spring to be measured are positioned at respectively on a pair of positioning disk 15,16.
Step 2, rotate by rotating shaft driving mechanism drive shaft, and eccentric spring is switched between n measuring position; At eccentric spring during in each measuring position, the first end tooth section 51 of pitch clamp 500 that will be corresponding with this measuring position and the second end tooth section 52 extend into respectively in the clamp storage tank 151 of the first positioning disk and in the clamp storage tank 161 of the second positioning disk, make a plurality of draw-in grooves 53 of this pitch clamp remove respectively a plurality of turns of the eccentric spring of card simultaneously; If any one turn of eccentric spring to be measured can not be put into draw-in groove corresponding on the pitch clamp, judge that the pitch size of eccentric spring to be measured is defective, if all turns can be put into corresponding draw-in groove, it is qualified to be judged to be.If need further to judge that whether the external diameter tolerance of turn of eccentric spring is qualified, at eccentric spring during in each measuring position, the first end tooth section 51 of pitch clamp that will be corresponding with this measuring position and the second end tooth section 52 extend into respectively in the clamp storage tank 151 of the first positioning disk and in the clamp storage tank 161 of the second positioning disk, and the top of this first end tooth section and the second end tooth section is contacted with the bottom land of corresponding clamp storage tank respectively; If the top of any one end tooth section can not contact with the bottom land of corresponding clamp storage tank and (illustrate that external diameter is bigger than normal, the bottom land 1510 of clamp storage tank 151 has been shown) in Fig. 6, or the outer surface of any one turn of eccentric spring to be measured is not positioned at view field's (illustrating that external diameter is less than normal) of the notch of corresponding groove 54, judge that the outside dimension of eccentric spring to be measured is defective; Otherwise, be judged to be qualified.
In one embodiment, eccentric spring has 4 measuring positions, i.e. 0 ° of position, 90o position, 180o position and 270o position.Be respectively equipped with 4 clamp storage tanks that radially extend on the periphery of the first positioning disk 15 and the second positioning disk 16.The quantity of pitch clamp is 4, corresponding with the outline of the eccentric spring of 0 ° of position, 90o position, 180o position and 270o position respectively.The width of rebate W of the draw-in groove 53 of the pitch clamp corresponding with 0 ° of position equals the pitch tolerance of corresponding turn 0 ° of position, the width of rebate L of the groove 54 of the pitch clamp corresponding with 0 ° of position equals the external diameter tolerance of corresponding turn 0 ° of position, and the rest may be inferred for all the other.
Pitch clamp of the present utility model can once complete the check of the pitch of all turns of eccentric spring to be measured and external diameter, and is measured without the turn to eccentric spring seriatim, thereby has greatly improved the accuracy of checkability and check.
Claims (6)
1. an eccentric spring locus pick-up unit, is characterized in that, comprising:
Eccentric spring positioning device, described eccentric spring positioning device comprises pair of brackets, rotating shaft, can control rotating shaft driving mechanism and a pair of positioning disk for respectively the two ends of eccentric spring being located of the rotational angle of rotating shaft; Described rotating shaft rotatably support is on this pair of brackets, and described a pair of positioning disk all is set in described rotating shaft, and can rotate with rotating shaft;
Measurement of coordinates mechanism, for the two-dimensional coordinate of the turn of measuring eccentric spring.
2. eccentric spring as claimed in claim 1 locus pick-up unit, is characterized in that, described a pair of positioning disk comprises the first positioning disk and the second positioning disk; The surface of described the first positioning disk is provided with can be by the end spring snare boss thereon of eccentric spring one end, and the surface of described the second positioning disk is provided with and the end spring circle of the eccentric spring other end can be embedded to spiral groove wherein.
3. eccentric spring as claimed in claim 1 locus pick-up unit; it is characterized in that, described measurement of coordinates mechanism comprises the vertical angle measurement head, can drive two-dimension translational mechanism that this vertical angle measurement head moves and move along the Y direction perpendicular to rotating shaft along the X-direction that is parallel to rotating shaft and for the measurement mechanism of the coordinate figure of the measurement point of determining the vertical angle measurement head;
Described vertical angle measurement head comprises base portion and lug boss; Described lug boss is convexly equipped with the top in base portion, and a side of this lug boss is for measuring limit, and it is mutually vertical with the top margin of base portion that this measures limit; When measuring, this measurement limit and this top margin are simultaneously tangent with the turn of eccentric spring.
4. eccentric spring as claimed in claim 1 locus pick-up unit, is characterized in that, described rotating shaft driving mechanism is index plate, and described index plate is set in described rotating shaft, and the mode connected by keyway is connected with rotating shaft.
5. an eccentric spring detection system, is characterized in that, comprising:
Eccentric spring positioning device, described eccentric spring positioning device comprises pair of brackets, rotating shaft, can control rotating shaft driving mechanism and a pair of positioning disk for respectively the two ends of eccentric spring being located of the rotational angle of rotating shaft; Described rotating shaft rotatably support is on this pair of brackets, and described a pair of positioning disk all is set in described rotating shaft, and can rotate with rotating shaft; Described a pair of positioning disk comprises the first positioning disk and the second positioning disk; Be equipped with n the clamp storage tank radially extended on the periphery of described the first positioning disk and the second positioning disk, this n clamp storage tank is one by one corresponding to n measuring position of eccentric spring, angle between adjacent every two clamp storage tanks is θ, wherein, n is more than or equal to 4 integer, θ=360 °/n;
N pitch clamp is corresponding one by one with the eccentric spring outline of n measuring position respectively; The side opening of each pitch clamp is provided with a plurality of draw-in grooves of a plurality of turns for snapping in respectively correspondingly eccentric spring, and the width of rebate of each described draw-in groove equals corresponding turn in the pitch tolerance with this corresponding measuring position of pitch clamp; This pitch clamp comprises matrix part and lays respectively at the first end tooth section and the second end tooth section at these matrix part two ends, for the draw-in groove of the end spring circle that snaps in eccentric both ends of the spring, lays respectively at this first end tooth section and the second end tooth section; The clamp storage tank of the first positioning disk and the clamp storage tank of the second positioning disk can be distinguished accommodating this first end tooth section and the second end tooth section.
6. eccentric spring detection system as claimed in claim 5, it is characterized in that, each draw-in groove comprises two sides of space, wherein the bottom of at least one side is provided with groove, and the width of rebate of described groove equals corresponding turn in the external diameter tolerance with this corresponding measuring position of pitch clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203144119U CN203323668U (en) | 2013-06-03 | 2013-06-03 | Spatial position detection device and detection system for eccentric spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203144119U CN203323668U (en) | 2013-06-03 | 2013-06-03 | Spatial position detection device and detection system for eccentric spring |
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| CN203323668U true CN203323668U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203144119U Withdrawn - After Issue CN203323668U (en) | 2013-06-03 | 2013-06-03 | Spatial position detection device and detection system for eccentric spring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655385A (en) * | 2017-09-11 | 2018-02-02 | 湖南飞沃新能源科技股份有限公司 | A kind of club detection means |
| CN104215152B (en) * | 2013-06-03 | 2018-02-13 | 上海中国弹簧制造有限公司 | Eccentric spring locus detection means, tolerance determine method, detecting system and detection method |
-
2013
- 2013-06-03 CN CN2013203144119U patent/CN203323668U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215152B (en) * | 2013-06-03 | 2018-02-13 | 上海中国弹簧制造有限公司 | Eccentric spring locus detection means, tolerance determine method, detecting system and detection method |
| CN107655385A (en) * | 2017-09-11 | 2018-02-02 | 湖南飞沃新能源科技股份有限公司 | A kind of club detection means |
| CN107655385B (en) * | 2017-09-11 | 2019-12-24 | 湖南飞沃新能源科技股份有限公司 | Bar-shaped object detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20180213 |