CN102758894A - Intermittent transmission mechanism - Google Patents
Intermittent transmission mechanism Download PDFInfo
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- CN102758894A CN102758894A CN2011101148411A CN201110114841A CN102758894A CN 102758894 A CN102758894 A CN 102758894A CN 2011101148411 A CN2011101148411 A CN 2011101148411A CN 201110114841 A CN201110114841 A CN 201110114841A CN 102758894 A CN102758894 A CN 102758894A
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Abstract
The invention discloses an intermittent transmission mechanism. The intermittent transmission mechanism comprises a frame, a translation cam, a fixed cam, a pushing piece and an elastic bias element, wherein first toothed grooves and second toothed grooves with different depths are alternately formed in the translation cam in the circumferential direction; a plurality of third toothed grooves are formed in the fixed cam in the circumferential direction; a guide part is arranged on the pushing piece, and each of the first, the second and the third toothed grooves comprises an inclined guide wall for guiding the guide part on the pushing piece to the bottom of the toothed groove; and when the pushing piece is pushed, pressed and released to the translation cam in a periodic manner, the guide part on the pushing piece can be sequentially pushed and pressed to the bottom parts of all the toothed grooves of the translation cam under the guide of all the toothed grooves in the translation cam and the fixed cam, so that the joint length between the pushing piece and the translation cam can change alternately between two different lengths.
Description
Technical field
The present invention relates to a kind of intermittent drive mechanism, relate in particular to a kind of be installed in the frame can the periodic variation bonding length intermittent drive mechanism.
Background technique
Intermittent drive mechanism is a kind of common mechanical structure, for example, be used for bicycle ratchet mechanism, be used for cine projector as the Geneva mechanism of winding mechanism or be used to accomplish the cammingly intermittent drive mechanism of drilling tapping machine transposition.
The present inventor needs to use exquisite intermittent drive mechanism that contact pin is inserted predetermined depth in carrying out the load simulated experimental setup of pin.
For reliable with accurately contact pin is inserted predetermined depth, each inserts operation and will be divided into two steps and accomplish:
The first step is preparatory inserting step: intermittent drive mechanism promotes contact pin and is inserted into the degree of depth less than predetermined depth, for example, and half place of predetermined depth;
Second step was final inserting step: on the basis of last inserting step, intermittent drive mechanism promotes contact pin again and is inserted into predetermined depth.
But, in the prior art, not have this intermittent drive mechanism that can the periodic variation insertion depth.
Summary of the invention
Given this, the present invention aims to provide a kind of intermittent drive mechanism that can the periodic variation bonding length.
According to an aspect of the present invention, a kind of intermittent drive mechanism is provided, comprises: frame; Translation cam, but its translation be installed in the said frame; Stationary cam, it is fixedly mounted in the said frame, is positioned at a side of translation cam; Driving member, it is arranged between translation cam and the stationary cam; With the fexible bias pressure element, it is arranged between driving member and the translation cam, and said fexible bias pressure element is at the said driving member of bias voltage on the direction of stationary cam.Wherein, translation cam in the face of along the circumferential direction alternately being furnished with the first dentation groove and the second dentation groove of different depth on the surface of stationary cam; The surperficial upper edge circumferential directions in the face of translation cam at stationary cam has a plurality of the 3rd dentation grooves; Have guide portion on the said driving member, each the dentation groove in the said first dentation groove, the second dentation groove and the 3rd dentation groove has the inclined lead wall that the guide portion of said driving member is directed to the bottom of this dentation groove; When translation cam periodically pushes and discharges said driving member; The guide portion of said driving member is under the guiding of each dentation groove of translation cam and stationary cam; Can in turn be pressed to the bottom of each dentation groove of translation cam, thereby make the bonding length between said driving member and the said translation cam between two different length, alternately to change.
Embodiment according to an exemplary of the present invention; When said driving member is pushed to the bottom of the first dentation groove of said translation cam; Have first bonding length between said driving member and the said translation cam, said first bonding length calculates with following formula:
The depth d 1 of the length L of the length L+translation cam of first bonding length=driving member-first dentation groove.
When said driving member is pushed to the bottom of the second dentation groove of said translation cam, have second bonding length between said driving member and the said translation cam, said second bonding length calculates with following formula:
The depth d 2 of the length L of the length L+translation cam of second bonding length=driving member-second dentation groove.
According to the embodiment of another exemplary of the present invention, said intermittent drive mechanism also comprises: actuator, it is arranged on the opposite side of translation cam, with the translation cam translation.
According to the embodiment of another exemplary of the present invention, the object of said actuator effect has elasticity; And the elasticity coefficient of said object is greater than the elasticity coefficient of said fexible bias pressure element.
According to the embodiment of another exemplary of the present invention, periodically push said driving member towards translation cam and move a fixed range, promptly the transmission range Din of said driving member is a fixed range.
According to the embodiment of another exemplary of the present invention, when the transmission range Din of said driving member was a fixed range, the displacement distance of said actuator alternately changed between two different fixed output distances.
Embodiment according to another exemplary of the present invention; At the transmission range Din of said driving member is a fixed range; And when said driving member is pushed to the bottom of the first dentation groove of translation cam; The displacement distance of said actuator is the first output distance B out, and the said first output distance B out calculates with following formula:
Dout＝Din-g-d，
Wherein, when g is illustrated in driving member and is discharged fully, the gap length between driving member and the translation cam.
At the transmission range Din of said driving member is a fixed range; And when said driving member is pushed to the bottom of the second dentation groove b of translation cam; The displacement distance of said actuator is the second output distance B out, and the said first output distance B out calculates with following formula:
Dout＝Din-g-d。
According to the embodiment of another exemplary of the present invention, first, second dentation groove on the sum of the 3rd dentation groove on the said stationary cam and the said translation cam total identical.
According to the embodiment of another exemplary of the present invention, the spacewidth of the first dentation groove on the said translation cam equals the spacewidth of the second dentation groove.
According to the embodiment of another exemplary of the present invention, the spacewidth of the 3rd dentation groove on the said stationary cam equals the first dentation groove or the spacewidth of the second dentation groove on the said translation cam.
According to the embodiment of another exemplary of the present invention, the 3rd dentation groove on the said stationary cam and first, second dentation groove on the said translation cam along the circumferential direction stagger each other.
According to the embodiment of another exemplary of the present invention, the 3rd dentation groove on the said stationary cam and first, second dentation groove on said translation cam half tooth groove width that along the circumferential direction staggers each other.
According to the embodiment of another exemplary of the present invention, said intermittent drive mechanism also comprises: bearing, the outer ring of said bearing are fixedly mounted in the center hole of said translation cam; And rotating shaft; One end of said rotating shaft is supported in the inner ring of said bearing, and the other end is enclosed within the said fexible bias pressure element, has lug boss in the said rotating shaft; One end of said fexible bias pressure element is resisted against on the lug boss of said rotating shaft, and the other end is resisted against on the said driving member.
Embodiment according to another exemplary of the present invention; When the guide portion of said driving member during along the inclined lead move of the said first dentation groove, the second dentation groove or the 3rd dentation groove, the inner ring of said driving member, fexible bias pressure element, rotating shaft and said bearing is together around the rotational of said translation cam.
According to the embodiment of another exemplary of the present invention, said translation cam has the guiding groove that extends along its axial direction; Said frame has guide finger mounted thereto; Said guide finger cooperates with said guiding groove, is used for guiding said translation cam in the frame translation.
According to the embodiment of another exemplary of the present invention, said stationary cam has positioning hole; Said frame has locating stud mounted thereto; Said locating stud cooperates with said positioning hole, is used for said stationary cam is fixedly mounted in said frame.
According to the embodiment of another exemplary of the present invention, the inclined lead wall of the said first dentation groove, the second dentation groove or the 3rd dentation groove is a straight line shape.
According to the embodiment of another exemplary of the present invention, the inclined lead wall of the said first dentation groove, the second dentation groove or the 3rd dentation groove is a curve-like.
According to the embodiment of another exemplary of the present invention, the guide portion of said driving member is the cylinder that outwards protrudes along the diametric(al) of translation cam.
According to the embodiment of another exemplary of the present invention, said stationary cam has the center hole coaxial with said translation cam; Said driving member has outer peripheral surface, and the outer peripheral surface of said driving member cooperates with the center hole of said stationary cam, is used to guide said driving member translation.
According to the embodiment of another exemplary of the present invention, said driving member also has pushing portion, and said pushing portion protrudes from the center hole of said stationary cam.
Compared with prior art; In each embodiment of the present invention; Owing to along the circumferential direction alternately be furnished with the first dentation groove and the second dentation groove of different depth on the surface of translation cam; Therefore, when the guide portion of said driving member alternately was pressed in the first dentation groove and the second dentation groove of translation cam, the bonding length between said driving member and the said translation cam can alternately change between two different length.
Description of drawings
Fig. 1 shows the cross-sectional view according to the embodiment's of an exemplary of the present invention intermittent drive mechanism;
Fig. 2 shows the decomposing schematic representation of intermittent drive mechanism shown in Figure 1;
Fig. 2 a shows that the guide portion of driving member is pushed to the schematic representation in the second dentation groove with second degree of depth of translation cam;
Fig. 2 b shows that the guide portion of driving member is pushed to the schematic representation in the first dentation groove with first degree of depth of translation cam;
Fig. 3 a to Fig. 3 f shows that the guide portion of driving member alternately is pressed to first dentation groove of translation cam and the process in the second dentation groove;
Fig. 4 shows the guide portion of driving member under the guiding of each dentation groove of translation cam and stationary cam, in turn is pressed to the schematic diagram in each dentation groove of translation cam;
Fig. 5 a shows driving member and first bonding length between the translation cam the when guide portion when driving member is pressed in the first dentation groove of translation cam; With
Fig. 5 b shows driving member and second bonding length between the translation cam the when guide portion when driving member is pressed in the second dentation groove of translation cam.
Embodiment
Describe the embodiment of exemplary of the present invention below in detail, embodiment's example is shown in the drawings, and wherein same or analogous label is represented same or analogous element.The embodiment who is described with reference to the drawings below is exemplary, is intended to explain the present invention, and can not be interpreted as limitation of the present invention.
Fig. 1 shows the cross-sectional view according to the embodiment's of an exemplary of the present invention intermittent drive mechanism; Show the decomposing schematic representation of intermittent drive mechanism shown in Figure 1 with Fig. 2.
As depicted in figs. 1 and 2, in the embodiment of an exemplary of the present invention, intermittent drive mechanism mainly comprises: frame 4; Translation cam 2, but its translation be installed in the said frame 4; Stationary cam 6, it is fixedly mounted in the frame 4, is positioned at a side of translation cam 2; Driving member 5, it is arranged between translation cam 2 and the stationary cam 6; With fexible bias pressure element 3, it is arranged between driving member 5 and the translation cam 2, and this fexible bias pressure element 3 is at bias voltage driving member 5 on the direction of stationary cam 6.
As shown in Figure 2, in the embodiment of an exemplary of the present invention, at the first dentation groove 21a and the second dentation groove 21b that along the circumferential direction alternately is furnished with different depth on the surface of stationary cam 6 that face of translation cam 2.The surperficial upper edge circumferential directions in the face of translation cam 2 at stationary cam 6 has a plurality of the 3rd dentation grooves 61.
Please continue referring to Fig. 2, in the embodiment of an exemplary of the present invention, have guide portion 51 on the driving member 5.
Fig. 4 shows the guide portion of driving member under the guiding of each dentation groove of translation cam and stationary cam, in turn is pressed to the schematic diagram in each dentation groove of translation cam.
Like Fig. 2 and shown in Figure 4; In the embodiment of an exemplary of the present invention, each the dentation groove in the first dentation groove 21a, the second dentation groove 21b and the 3rd dentation groove 61 has inclined lead wall f1, f2, the f3 that the guide portion 51 of driving member 5 is directed to the bottom of this dentation groove.
Need to prove; In the embodiment of each exemplary of the present invention, along the guiding wall f1 of each dentation groove, f2, when f3 moves, driving member 5 is around a spin axis rotation on the whole in the guide portion 51 of driving member 5; Because each dentation groove is along the circumferential directions of cam.
Like Fig. 2 and shown in Figure 4; When translation cam 2 periodically pushes and discharges driving member 5; The guide portion 51 of driving member 5 is under the guiding of each dentation groove of translation cam 2 and stationary cam 6; Can in turn be pressed to each dentation groove 21a of translation cam 2, the bottom of 21b, thereby make the bonding length between driving member 5 and the translation cam 2 between two different length, alternately to change.
Fig. 3 a to Fig. 3 f shows that the guide portion of driving member alternately is pressed to first dentation groove of translation cam and the process in the second dentation groove.
The guide portion 51 of at length explain driving member 5 with reference to Fig. 2, Fig. 3 a to Fig. 3 f and Fig. 4 below in turn is pressed to the process in each dentation groove of translation cam under the guiding of each dentation groove of translation cam 2 and stationary cam 6.
S1: shown in the arrow a0 among Fig. 4, when applying external force pushing driving member 5, driving member 5 overcomes the first dentation groove 21a translation of the elastic force of fexible bias pressure element 3 towards translation cam 2 under the effect of external force; Shown in the arrow a1 among Fig. 4 or shown in Fig. 3 a to Fig. 3 c; When the guide portion 51 of driving member 5 arrives the guiding wall f1 of the first dentation groove 21a; The guide portion 51 of driving member 5 is under the guiding of the guiding wall f1 of the first dentation groove 21a; Be pushed to the bottom of the first dentation groove 21a, after the guide portion 51 of driving member 5 was pushed to the bottom of the first dentation groove 21a, driving member 5 will promote translation cam 2 translation together;
S2: shown in the arrow a2 among Fig. 4, after the external force of pushing driving member 5 disappears, promptly after discharging driving member 5, driving member 5 can be under the effect of fexible bias pressure element 3 towards one the 3rd dentation groove 61 translations of stationary cam 6; Shown in the arrow a3 among Fig. 4, when the guide portion 51 of driving member 5 arrived the guiding wall f3 of the 3rd dentation groove 61, the guide portion 51 of driving member 5 was pushed to the bottom of the 3rd dentation groove 61 under the guiding of the guiding wall f3 of the 3rd dentation groove 61;
S3: shown in the arrow a4 among Fig. 4, when applying external force pushing driving member 5 once more, driving member 5 overcomes the second dentation groove 21b translation of the elastic force of fexible bias pressure element 3 towards translation cam 2 under the effect of external force; Shown in the arrow a5 among Fig. 4 or shown in Fig. 3 d to Fig. 3 f; When the guide portion 51 of driving member 5 arrives the guiding wall f2 of the second dentation groove 21b; The guide portion 51 of driving member 5 is under the guiding of the guiding wall f2 of the second dentation groove 21b; Be pushed to the bottom of the second dentation groove 21b, after the guide portion 51 of driving member 5 was pushed to the bottom of the second dentation groove 21b, driving member 5 will promote translation cam 2 translation together;
S4: shown in the arrow a6 among Fig. 4, after the external force of pushing driving member 5 disappears, promptly after discharging driving member 5, driving member 5 can be under the effect of fexible bias pressure element 3 towards another the 3rd dentation groove 61 translations of stationary cam 6; Shown in the arrow a7 among Fig. 4, when the guide portion 51 of driving member 5 arrived the guiding wall f3 of the 3rd dentation groove 61, the guide portion 51 of driving member 5 was pushed to the bottom of the 3rd dentation groove 61 under the guiding of the guiding wall f3 of the 3rd dentation groove 61;
S5: repeat above-mentioned steps S1-S4, like this, just can periodic variation between driving member 5 and the translation cam 2 bonding length between them, that is, the bonding length between driving member 5 and the translation cam 2 can alternately variation between two different length.
Fig. 5 a shows driving member and first bonding length between the translation cam the when guide portion when driving member is pressed in the first dentation groove of translation cam; And Fig. 5 b shows driving member and second bonding length between the translation cam when guide portion when driving member is pressed in the second dentation groove of translation cam.
Shown in Fig. 5 a; In the embodiment of each exemplary of the present invention; When driving member 5 is pushed to the bottom of the first dentation groove 21a of translation cam 2, have first bonding length between driving member 5 and the translation cam 2, first bonding length can use following formula to calculate:
The depth d 1 of the length L 2-first dentation groove of the length L 1+ translation cam of first bonding length=driving member.
Shown in Fig. 5 b; In the embodiment of each exemplary of the present invention; When driving member 5 is pushed to the bottom of the second dentation groove 21b of translation cam 2, have second bonding length between driving member 5 and the translation cam 2, second bonding length calculates with following formula:
The depth d 2 of the length L 2-second dentation groove of the length L 1+ translation cam of second bonding length=driving member.
As shown in Figure 1, in the embodiment of an exemplary of the present invention, intermittent drive mechanism also comprises actuator 10, and it is arranged on the opposite side of translation cam 2, with translation cam 2 translations.This actuator 10 can be contact pin.
In the embodiment of an exemplary of the present invention, the object of actuator 10 effects has elasticity; And the elasticity coefficient of the object of actuator 10 effects is greater than the elasticity coefficient of fexible bias pressure element 3, and this is in order to make translation cam 2 can rely on the elastic force of effective object to reset.Certainly, an extra Returnning spring also can be set translation cam 2 is resetted, when an extra Returnning spring was set, the object of the effect of actuator 10 also can not have elasticity, but rigidity.
Although not shown, in the embodiment of an exemplary of the present invention, periodically push driving member 5 moves a fixed range to institute's externally applied forces towards translation cam 2, that is, each transmission range Din of driving member 5 is a fixed range.
When the transmission range Din of driving member 5 was a fixed range, the displacement distance of actuator 10 will alternately change between two different fixed output distances, that is, between the first output distance B out1 and the second output distance B out2, alternately change.
Particularly; At the transmission range Din of driving member 5 is a fixed range; And when driving member 5 was pushed to the bottom of the first dentation groove 21a of translation cam 2, the displacement distance of actuator 10 was the first output distance B out1, and the first output distance B out1 is with following formula calculating:
Dout1＝Din-g-d1，
Wherein, when g is illustrated in driving member 5 and is discharged fully, the gap between driving member 5 and the translation cam 2 translation cam 2 axially on length.
At the transmission range Din of driving member 5 is a fixed range; And when driving member 5 is pushed to the bottom of the second dentation groove 21b of translation cam 2; The displacement distance of actuator 10 is the second output distance B out2, and the second output distance B out2 calculates with following formula:
Dout2＝Din-g-d2。
As shown in Figures 2 and 3, in the embodiment of an exemplary of the present invention, first, second dentation groove 21a on the sum of the 3rd dentation groove 61 on the stationary cam 6 and the translation cam 2,21b's is total identical.But the present invention is not limited to this, and first, second dentation groove 21a on the sum of the 3rd dentation groove 61 on the stationary cam 6 and the translation cam 2, the sum of 21b also can be different.
As shown in Figures 2 and 3, in the embodiment of an exemplary of the present invention, the spacewidth of the first dentation groove 21a on the translation cam 2 equals the spacewidth of the second dentation groove 21b.But the present invention is not limited to this, and the spacewidth of the first dentation groove 21a on the translation cam 2 also can be not equal to the spacewidth of the second dentation groove 21b.
As shown in Figures 2 and 3, in the embodiment of an exemplary of the present invention, the spacewidth of the 3rd dentation groove 61 on the stationary cam 6 equals the first dentation groove 21a or the spacewidth of the second dentation groove 21b on the translation cam 2.But the present invention is not limited to this, and the spacewidth of the 3rd dentation groove 61 on the stationary cam 6 also can be not equal to the first dentation groove 21a or the spacewidth of the second dentation groove 21b on the translation cam 2.
Like Fig. 2, Fig. 3 and shown in Figure 4, in the embodiment of an exemplary of the present invention, the 3rd dentation groove 61 on the stationary cam 6 along the circumferential direction staggers with first, second dentation groove 21a, the 21b on the translation cam 2 each other.
Like Fig. 2, Fig. 3 and shown in Figure 4, the 3rd dentation groove 61 on the stationary cam 6 and first, second dentation groove 21a, the 21b on the translation cam 2 half tooth groove width that along the circumferential direction staggers each other.But the present invention is not limited to this, and the along the circumferential direction wrong each other width of the 3rd dentation groove 61 on the stationary cam 6 and first, second dentation groove 21a, 21b on the translation cam 2 can be according to the size adjustment of the guide portion 51 of driving member 5.
As depicted in figs. 1 and 2, in the embodiment of an exemplary of the present invention, intermittent drive mechanism also comprises: bearing 8, the outer ring of bearing 8 are fixedly mounted in the center hole of translation cam 2; With rotating shaft 9, an end of rotating shaft 9 is supported in the inner ring of bearing 8, and the other end is enclosed within the fexible bias pressure element 3, has lug boss 9a in the rotating shaft 9, and an end of fexible bias pressure element 3 is resisted against on the lug boss 9a of rotating shaft 9, and the other end is resisted against on the driving member 5.Like this; When the guide portion of driving member 5 51 along the inclined lead wall f1 of the first dentation groove 21a, the second dentation groove 21b or the 3rd dentation groove 61, f2, when f3 moves, the inner ring of driving member 5, fexible bias pressure element 3, rotating shaft 9 and bearing 8 will be together around the rotational of translation cam 2.
Shown in Fig. 1, Fig. 2 and Fig. 2 a, in the embodiment of an exemplary of the present invention, translation cam 2 has the guiding groove 2a that extends along its axial direction; Frame 4 has guide finger mounted thereto 1; Guide finger 1 cooperates with guiding groove 2a, is used for guiding translation cam 2 in frame 4 translations.
As depicted in figs. 1 and 2, in the embodiment of an exemplary of the present invention, stationary cam 6 has positioning hole 62; Frame 4 has locating stud mounted thereto 7; Locating stud 7 cooperates with positioning hole 62, is used for stationary cam 6 is fixedly mounted in frame 4.
As shown in Figure 4, in the embodiment of an exemplary of the present invention, the inclined lead wall f1 of the first dentation groove 21a, the second dentation groove 21b or the 3rd dentation groove 61, f2, f3 can straight line shapies, also can be curve-like.
As shown in Figure 2, in the embodiment of an exemplary of the present invention, the guide portion 51 of driving member 5 is the cylinder that outwards protrudes along the diametric(al) of translation cam 2.
As shown in Figure 2, in the embodiment of an exemplary of the present invention, stationary cam 6 has the center hole 63 coaxial with translation cam 2; Driving member 5 has outer peripheral surface, and the outer peripheral surface of driving member 5 cooperates with the center hole 63 of stationary cam 6, is used to guide driving member 5 translations.
As depicted in figs. 1 and 2, in the embodiment of an exemplary of the present invention, driving member 5 also has pushing portion 53, and this pushing portion 53 protrudes from the center hole 63 of stationary cam 6, so that from outside pushing driving member 5.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can change that scope of the present invention is limited accompanying claims and equivalent thereof to these embodiments.
Claims (21)
1. intermittent drive mechanism comprises:
Frame (4);
Translation cam (2), but its translation be installed in the said frame (4);
Stationary cam (6), it is fixedly mounted in the said frame (4), is positioned at a side of translation cam (2);
Driving member (5), it is arranged between translation cam (2) and the stationary cam (6); With
Fexible bias pressure element (3), it is arranged between driving member (5) and the translation cam (2), and said fexible bias pressure element (3) is at the said driving member of bias voltage (5) on the direction of stationary cam (6),
It is characterized in that:
The first dentation groove (21a) and the second dentation groove (21b) that along the circumferential direction alternately is furnished with different depth on the surface of stationary cam (6) of facing at translation cam (2);
The surperficial upper edge circumferential directions in the face of translation cam (2) at stationary cam (6) has a plurality of the 3rd dentation grooves (61);
Have guide portion (51) on the said driving member (5), each the dentation groove in the said first dentation groove (21a), the second dentation groove (21b) and the 3rd dentation groove (61) has the inclined lead wall (f1, f2, f3) that the guide portion (51) of said driving member (5) is directed to the bottom of this dentation groove;
When translation cam (2) periodically pushes and discharge said driving member (5); The guide portion (51) of said driving member (5) is under the guiding of each dentation groove of translation cam (2) and stationary cam (6); Can in turn be pressed to the bottom of each dentation groove (21a, 21b) of translation cam (2), thereby make the bonding length between said driving member (5) and the said translation cam (2) between two different length, alternately to change.
2. intermittent drive mechanism according to claim 1 is characterized in that:
When said driving member (5) is pushed to the bottom of the first dentation groove (21a) of said translation cam (2), have first bonding length between said driving member (5) and the said translation cam (2), said first bonding length calculates with following formula:
The depth d 1 of the length L 2-first dentation groove of the length L 1+ translation cam of first bonding length=driving member;
When said driving member (5) is pushed to the bottom of the second dentation groove (21b) of said translation cam (2), have second bonding length between said driving member (5) and the said translation cam (2), said second bonding length calculates with following formula:
The depth d 2 of the length L 2-second dentation groove of the length L 1+ translation cam of second bonding length=driving member.
3. intermittent drive mechanism according to claim 1 also comprises:
Actuator (10), it is arranged on the opposite side of translation cam (2), with translation cam (2) translation.
4. intermittent drive mechanism according to claim 3 is characterized in that:
The object of said actuator (10) effect has elasticity; And
The elasticity coefficient of said object is greater than the elasticity coefficient of said fexible bias pressure element (3).
5. intermittent drive mechanism according to claim 4 is characterized in that:
Periodically push said driving member (5) towards translation cam (2) and move a fixed range, the transmission range Din of promptly said driving member (5) is a fixed range.
6. intermittent drive mechanism according to claim 5 is characterized in that:
When the transmission range Din of said driving member (5) was a fixed range, the displacement distance of said actuator (10) alternately changed between two different fixed output distances.
7. intermittent drive mechanism according to claim 6 is characterized in that:
At the transmission range Din of said driving member (5) is a fixed range; And when said driving member (5) is pushed to the bottom of the first dentation groove (21a) of translation cam (2); The displacement distance of said actuator (10) is the first output distance B out1, and the said first output distance B out1 calculates with following formula:
Dout1＝Din-g-d1，
Wherein, when g is illustrated in driving member (5) and is discharged fully, the gap length between driving member (5) and the translation cam (2);
At the transmission range Din of said driving member (5) is a fixed range; And when said driving member (5) is pushed to the bottom of the second dentation groove (21b) of translation cam (2); The displacement distance of said actuator (10) is the second output distance B out2, and the said second output distance B out2 calculates with following formula:
Dout2＝Din-g-d2。
8. intermittent drive mechanism according to claim 1 is characterized in that,
First, second dentation groove (21a, 21b) on the sum of the 3rd dentation groove (61) on the said stationary cam (6) and the said translation cam (2) total identical.
9. intermittent drive mechanism according to claim 8 is characterized in that,
The spacewidth of the first dentation groove (21a) on the said translation cam (2) equals the spacewidth of the second dentation groove (21b).
10. intermittent drive mechanism according to claim 9 is characterized in that,
The spacewidth of the 3rd dentation groove (61) on the said stationary cam (6) equals the first dentation groove (21a) or the spacewidth of the second dentation groove (21b) on the said translation cam (2).
11. intermittent drive mechanism according to claim 10 is characterized in that,
First, second dentation groove (21a, 21b) on the 3rd dentation groove (61) on the said stationary cam (6) and the said translation cam (2) along the circumferential direction staggers each other.
12. intermittent drive mechanism according to claim 11 is characterized in that,
First, second dentation groove (21a, 21b) on the 3rd dentation groove (61) on the said stationary cam (6) and the said translation cam (2) half tooth groove width that along the circumferential direction staggers each other.
13. intermittent drive mechanism according to claim 1 also comprises:
Bearing (8), the outer ring of said bearing (8) is fixedly mounted in the center hole of said translation cam (2); With
Rotating shaft (9), an end of said rotating shaft (9) is supported in the inner ring of said bearing (8), and the other end is enclosed within the said fexible bias pressure element (3),
Have lug boss (9a) in the said rotating shaft (9), an end of said fexible bias pressure element (3) is resisted against on the lug boss (9a) of said rotating shaft (9), and the other end is resisted against on the said driving member (5).
14. intermittent drive mechanism according to claim 13 is characterized in that:
When the inclined lead wall (f1, f2, f3) of the said first dentation groove (21a) in guide portion (51) edge of said driving member (5), the second dentation groove (21b) or the 3rd dentation groove (61) moves,
The inner ring of said driving member (5), fexible bias pressure element (3), rotating shaft (9) and said bearing (8) is together around the rotational of said translation cam (2).
15. intermittent drive mechanism according to claim 1 is characterized in that:
Said translation cam (2) has the guiding groove (2a) that extends along its axial direction;
Said frame (4) has guide finger mounted thereto (1);
Said guide finger (1) cooperates with said guiding groove (2a), is used for guiding said translation cam (2) in frame (4) translation.
16. intermittent drive mechanism according to claim 1, wherein:
Said stationary cam (6) has positioning hole (62);
Said frame (4) has locating stud mounted thereto (7);
Said locating stud (7) cooperates with said positioning hole (62), is used for said stationary cam (6) is fixedly mounted in said frame (4).
17. intermittent drive mechanism according to claim 1 is characterized in that:
The inclined lead wall (f1, f2, f3) of the said first dentation groove (21a), the second dentation groove (21b) or the 3rd dentation groove (61) is a straight line shape.
18. intermittent drive mechanism according to claim 1 is characterized in that:
The inclined lead wall (f1, f2, f3) of the said first dentation groove (21a), the second dentation groove (21b) or the 3rd dentation groove (61) is a curve-like.
19. intermittent drive mechanism according to claim 1 is characterized in that:
The guide portion (51) of said driving member (5) is the cylinder that outwards protrudes along the diametric(al) of translation cam (2).
20. intermittent drive mechanism according to claim 1 is characterized in that:
Said stationary cam (6) has the center hole (63) coaxial with said translation cam (2);
Said driving member (5) has outer peripheral surface, and the outer peripheral surface of said driving member (5) cooperates with the center hole (63) of said stationary cam (6), is used to guide said driving member (5) translation.
21. intermittent drive mechanism according to claim 20 is characterized in that:
Said driving member (5) also has pushing portion (53), and said pushing portion (53) protrudes from the center hole (63) of said stationary cam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110114841.1A CN102758894B (en) | 2011-04-29 | 2011-04-29 | Intermittent transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110114841.1A CN102758894B (en) | 2011-04-29 | 2011-04-29 | Intermittent transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102758894A true CN102758894A (en) | 2012-10-31 |
| CN102758894B CN102758894B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110114841.1A Active CN102758894B (en) | 2011-04-29 | 2011-04-29 | Intermittent transmission mechanism |
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| Country | Link |
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| CN (1) | CN102758894B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871941A (en) * | 2014-04-01 | 2014-06-18 | 淄博才聚电子科技有限公司 | Intermittent linear conveying device |
| CN105109995A (en) * | 2015-09-18 | 2015-12-02 | 龙口市埃迪克自动化设备有限公司 | High-speed drawing locating device based on cam structure |
| CN110508494A (en) * | 2015-12-09 | 2019-11-29 | 泰克元有限公司 | Semiconducter device testing sorting machine and its information processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403668A (en) * | 1966-04-04 | 1968-10-01 | Schottler Henry | Fluid transducer |
| US4415007A (en) * | 1980-08-18 | 1983-11-15 | Staeubli Ltd. | Apparatus for effecting back-and-forth movement of a guide synchronously with the intermittent rotary movement of a shaft |
| EP0432786A1 (en) * | 1989-12-14 | 1991-06-19 | Boris Borisovic Lopatik | Mechanism for the conversion of rotatory motion into reciprocating motion and vice versa |
| WO2009012548A1 (en) * | 2007-07-20 | 2009-01-29 | Trilha Marcial Jr | System for transforming translational into rotating movement |
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2011
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3403668A (en) * | 1966-04-04 | 1968-10-01 | Schottler Henry | Fluid transducer |
| US4415007A (en) * | 1980-08-18 | 1983-11-15 | Staeubli Ltd. | Apparatus for effecting back-and-forth movement of a guide synchronously with the intermittent rotary movement of a shaft |
| EP0432786A1 (en) * | 1989-12-14 | 1991-06-19 | Boris Borisovic Lopatik | Mechanism for the conversion of rotatory motion into reciprocating motion and vice versa |
| WO2009012548A1 (en) * | 2007-07-20 | 2009-01-29 | Trilha Marcial Jr | System for transforming translational into rotating movement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871941A (en) * | 2014-04-01 | 2014-06-18 | 淄博才聚电子科技有限公司 | Intermittent linear conveying device |
| CN105109995A (en) * | 2015-09-18 | 2015-12-02 | 龙口市埃迪克自动化设备有限公司 | High-speed drawing locating device based on cam structure |
| CN110508494A (en) * | 2015-12-09 | 2019-11-29 | 泰克元有限公司 | Semiconducter device testing sorting machine and its information processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102758894B (en) | 2015-04-29 |
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