CN103486212A

CN103486212A - Cam driving device of disposable sanitary product

Info

Publication number: CN103486212A
Application number: CN201310385580.6A
Authority: CN
Inventors: 雷霄
Original assignee: Anqing Hengchang Machinery Co Ltd
Current assignee: Anqing Hengchang Machinery Co Ltd
Priority date: 2013-08-29
Filing date: 2013-08-29
Publication date: 2014-01-01
Anticipated expiration: 2033-08-29
Also published as: CN103486212B

Abstract

The invention discloses a cam driving device of a disposable sanitary product. The cam driving device comprises a ring-shaped cam disc, a guiding wheel and a rocker arm, wherein the inner ring of the cam disc is sleeved on a fixing shaft through a key or a screw, the outer circumferential surface of the cam disc is provided with a circularly encircled guiding groove, the cam disc is provided with a bulge along the axis direction, one end of the guiding wheel is arranged in the guiding groove, and the other end of the guiding wheel is connected with a driven workpiece through the rocker arm. The cam driving device disclosed by the invention adopts the design characteristics of a double-groove reducing cam, compared with the traditional single-groove cam, the service life of a bearing of the cam can be obviously prolonged, and compared with the traditional double-groove cam, the amount of machining is reduced, the machining difficulty is lowered, and the requirements on machining equipment, cutting tools and machining methods are obviously lowered.

Description

A kind of cam driving gear of disposable sanitary articles

Technical field

The present invention relates to the disposable sanitary articles manufacturing mechanism and manufacture field, especially relate to a kind of cam driving gear of disposable sanitary articles.

Background technique

Cam can be defined as the parts with curved surface or crank slot, utilizes its swing or revolution, can make another assembly-follower that predefined motion is provided.The large section in the path of follower is limited in a chute, to obtain toward covering motion.In the stroke of its reply, sometimes rely on the weight of itself, but some mechanism is for obtaining definite action, often using spring as the power of replys, some utilizes guide groove, and it is specifically being moved on path.

In the disposable sanitary articles manufacture process because the layout of product processes, more or less need the semi-finished product conveying that commutates, commutation is carried and is generally all applied to cam driving gear, the cam that traditional cam driving gear has single guide wheel rocking arm and coordinates with it, cam has left and right two groove faces that coordinate with camshaft bearing.The camshaft bearing of single groove cam and the left and right groove face Spielpassung of cam path, camshaft bearing rocking in gap all can cause the empty pendulum of rocking arm, camshaft bearing contacts with two groove faces cam path that replace when camshaft line is made circular-rotation, there is impact in camshaft bearing at the Contact of conversion groove face, and the bearing rotary direction is also because of the contact checker from different groove faces, these all cause camshaft bearing easy to wear and lost efficacy.Publication number is that the CN1351234A cam gear illustrates a kind of double-slot cam structure in addition, it on the periphery of cam from outside to inside, two guide grooves are set, one shallow one dark guide groove forms 4 groove faces altogether, the axial direction that one of them groove face also prolongs cam stretches out to inside, this not competent processing of step universal cutter extended internally, the groove inwardly stretched out has in addition also weakened the intensity of the cam disk ancient piece of jade, round, flat and with a hole in its centre for carrying the upper strata cam, and this kind of structure also defines the bearing that guide wheel can only use two same diameter in addition.

Summary of the invention

The objective of the invention is to solve the problem of above-mentioned existence, the cam driving gear that delays a kind of disposable sanitary articles of camshaft bearing wearing and tearing simple in structure, easy to use is provided.

The objective of the invention is to realize as follows: a kind of cam driving gear of disposable sanitary articles, there is the cam disk of ring, its inner ring is socketed on stationary axle by key or screw; Also there is guide wheel and rocking arm, the outer peripheral surface of described cam disk have circulation around guide groove, and there is projection on the axial direction of described cam disk; One end of described guide wheel is distributed in guide groove, and its other end is connected with driven workpiece by rocking arm.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described guide wheel has large bearing, little bearing, guide wheel shaft and axle sleeve, and described large bearing, axle sleeve and little bearing are arranged on the guide wheel shaft with step successively, and the end of described guide wheel shaft has screw thread.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described guide wheel at least has two groups, and decile is arranged on the excircle of cam disk.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described guide wheel has the configuration of six groups, eight groups or ten groups any amount.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described rocking arm is " Z " font, a mounting hole is respectively arranged on two horizontal edge, in a mounting hole of described guide wheel shaft end insertion rocking arm and by nut locking, the another one mounting hole of described rocking arm is fixedly connected with driven workpiece.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described rocking arm, be improved to the hypotenuse structure for connecting two vertical edges that horizontal edge is installed.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described cam disk has the secondary guide groove from periphery to the inner ring direction, two guide grooves have shared the first groove face, the second groove face of an other side and the 3rd groove face form step, and the width of the outside the second groove face and the first groove face is greater than the width of inner the 3rd groove face.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, the periphery of described large bearing all the time with the first groove face Surface Contact, the outer peripheral surface of described little bearing contacts with the second groove face all the time, the rotation direction separately of large bearing and little bearing is fixed, rotation direction is contrary.

The cam driving gear of above-mentioned a kind of disposable sanitary articles, described guide groove has four sections projections, is respectively the guide groove horizontal segment, and guide groove promotes tilting section, guide groove projection horizontal segment and guide groove decline tilting section.

Advantage of the present invention: 1, cam driving gear of the present invention adopts the design feature of double-slot cam, with the single groove cam of tradition, compares the working life that can significantly improve camshaft bearing;

2, two of double-slot cam camshaft bearings contact all the time with the single face of a guide groove in double flute separately, and fixedly rotation direction is constant for each self-sustaining of camshaft bearing, has improved the life-span of cam and guide wheel;

3, with existing double-slot cam, compare, by original double step, the four sides guide groove is improved to 3, separate unit rank guide groove face, has reduced by a complicated processing face, has reduced amount of finish, has reduced difficulty of processing.

The vertical edge of the rocking arm of " Z " font that 4, will commonly use is improved to hypotenuse, in the situation that the centre distance of the mounting hole of two horizontal edges is constant, has strengthened wall thickness and the intensity of rocking arm, makes the competent more high pulling torque that carries.

5, another important result of double-slot cam is that the quality of fit of guide wheel bearing and cam path is improved, double-cam bearing monolateral contact all the time separately substitutes the Spielpassung that single camshaft holds, reduce the sky pendulum stroke of driven workpiece when doing the commutation rotation, hysteresis and shaking phenomenon when the elimination rocking arm is made divertical motion, effectively improve rocking arm and make 90 ° of precision that turn to.

The accompanying drawing explanation

For content of the present invention more easily is expressly understood, below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein

Fig. 1 is structural representation of the present invention;

Fig. 2 is sectional view of the present invention;

Fig. 3 is cam path partial sectional view of the present invention;

Fig. 4 is the plane outspread drawing of cam path;

Reference character: 1, cam disk, 2, guide wheel, 3, rocking arm, 4, guide groove, 5, driven workpiece, the 6, first groove face, 7, the second groove face, the 8, the 3rd groove face, the 9, first mounting hole, 10, the second mounting hole, 21, large bearing, 22, little bearing, 23, guide wheel shaft, 24, axle sleeve, L, guide groove horizontal segment, T, guide groove promote tilting section, Q guide groove projection horizontal segment, X, guide groove decline tilting section.

Embodiment:

As shown in Figure 1, a kind of cam driving gear of disposable sanitary articles, have the cam disk 1 of ring, and its inner ring is socketed on stationary axle by key or screw; Also there is guide wheel 2 and rocking arm 3, the outer peripheral surface of described cam disk 1 have circulation around guide groove 4, and there is projection on the axial direction of described cam disk 1; One end of described guide wheel 2 is distributed in guide groove 4, and its other end is connected with driven workpiece 5 by rocking arm 3.

As shown in Figure 2, described guide wheel 2 has large bearing 21, little bearing 22, guide wheel shaft 23 and axle sleeve 24, and described large bearing 21, axle sleeve 24 and little bearing 22 are arranged on the guide wheel shaft 23 with step successively, and the end of described guide wheel shaft 23 has screw thread; Described guide wheel 2 at least has two groups, and decile is arranged on the excircle of cam disk 1.As shown in Figure 1, described guide wheel 2 has four groups.But be not limited to four groups, such as described guide wheel 2, there are the more more options such as six groups, eight groups or ten groups.

As shown in Figure 1, described rocking arm 3 is " Z " font, a mounting hole is respectively arranged on two horizontal edge, in the first mounting hole 9 of described guide wheel shaft 23 ends insertion rocking arms 3 and by nut locking, the second mounting hole 10 of described rocking arm 3 is fixedly connected with driven workpiece 5, the rocking arm of its " Z " font, be improved to the hypotenuse structure by connecting two vertical edges that horizontal edge is installed.

See shown in Fig. 2 and Fig. 3, described cam disk 1 has the secondary guide groove from periphery to the inner ring direction, two guide grooves have shared the first groove face 6, and the second groove face 7 of an other side and the 3rd groove face 8 form step, and the width of the outside the second groove face 7 and the first groove face 6 is greater than the width of inner the 3rd groove face 8.The periphery of described large bearing 21 all the time with the first groove face 6 Surface Contacts, the outer peripheral surface of described little bearing 22 contacts with the second groove face 8 all the time, the rotation direction separately of large bearing and little bearing is fixed, rotation direction is contrary.Described guide groove 4 has four sections projections, is respectively guide groove horizontal segment L, and guide groove promotes tilting section T, guide groove projection horizontal segment Q and guide groove decline tilting section X.

Its working principle is: see shown in Fig. 1 and Fig. 3, four groups of guide wheels 2 are arranged at the circumference of cam disk 1 in first-class minute, four groups of relative cam disks of guide wheel rotate counterclockwise, each guide wheel 2 rotates one week on cam disk, be equivalent to each guide wheel prolong center line AB from A to B direction pass by successively L, T, Q, tetra-sections guide grooves of X, and rocking arm 3 is positioned at cam centre line AB all the time for the second mounting hole 10 that driven workpiece 21 is installed, the center line that the first mounting hole 9 on rocking arm 3 prolongs guide groove moves up and down.Guide wheel 2 is through guide groove horizontal segment L section, and rocking arm 3 is the 45° angle degree with cam centre line AB, and guide wheel 2 is positioned at the top of center line AB; Guide wheel promotes inclination T section through guide groove, and the second mounting hole 10 of guide wheel 2 relative rocking arms turns clockwise 90 °, from the top of center line AB, runs to below; Guide wheel 2 is through guide groove projection horizontal segment Q section, and rocking arm 3 is 45 ° with cam centre line AB, and guide wheel 2 is positioned at the below of center line AB; Guide wheel is through guide groove decline tilting section X end, and the second mounting hole 10 of guide wheel 2 relative rocking arms is rotated counterclockwise 90 ° of angles, from the below of center line AB, runs to top.After this each cam above action that circulated successively.

Above-described specific embodiment; purpose of the present invention, technological scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims

1. the cam driving gear of a disposable sanitary articles, have the cam disk (1) of ring, and its inner ring is socketed on stationary axle by key or screw; It is characterized in that: also there is guide wheel (2) and rocking arm (3), the outer peripheral surface of described cam disk (1) have circulation around guide groove (4), and there is projection on the axial direction of described cam disk (1); One end of described guide wheel (2) is distributed in guide groove (4), and its other end is connected with driven workpiece (5) by rocking arm (3).

2. the cam driving gear of a kind of disposable sanitary articles according to claim 1, it is characterized in that: described guide wheel (2) has large bearing (21), little bearing (22), guide wheel shaft (23) and axle sleeve (24), it is upper that described large bearing (21), axle sleeve (24) and little bearing (22) are arranged on the guide wheel shaft (23) with step successively, and the end of described guide wheel shaft (23) has screw thread.

3. the cam driving gear of a kind of disposable sanitary articles according to claim 2, it is characterized in that: described guide wheel (2) at least has two groups, and decile is arranged on the excircle of cam disk (1).

4. the cam driving gear of a kind of disposable sanitary articles according to claim 3, it is characterized in that: described guide wheel (2) has four groups.

5. the cam driving gear of a kind of disposable sanitary articles according to claim 3 is characterized in that: described guide wheel (2) has six groups, eight groups or ten groups of any amount configurations.

6. according to the cam driving gear of claim 3,4 or 5 described a kind of disposable sanitary articles, it is characterized in that: described rocking arm (3) is " Z " font, a mounting hole is respectively arranged on two horizontal edge, in first mounting hole (9) of described guide wheel shaft (23) end insertion rocking arm (3) and by nut locking, second mounting hole (10) of described rocking arm (3) is fixedly connected with driven workpiece (5).

7. the cam driving gear of a kind of disposable sanitary articles according to claim 6 is characterized in that: the rocking arm of its " Z " font is improved to the hypotenuse structure by connecting two vertical edges that horizontal edges are installed.

8. the cam driving gear of a kind of disposable sanitary articles according to claim 7, it is characterized in that: described cam disk (1) has the secondary guide groove from periphery to the inner ring direction, two guide grooves have shared the first groove face (6), second groove face (7) of an other side forms step with the 3rd groove face (8), and the width of the outside the second groove face (7) and the first groove face (6) is greater than the width of inner the 3rd groove face (8).

9. the cam driving gear of a kind of disposable sanitary articles according to claim 8, it is characterized in that: the periphery of described large bearing (21) all the time with the first groove face (6) Surface Contact, the outer peripheral surface of described little bearing (22) contacts with the second groove face (8) all the time, the rotation direction separately of large bearing and little bearing is fixed, and rotation direction is contrary.

10. according to the cam driving gear of claim 1 or 9 described a kind of disposable sanitary articles, it is characterized in that: described guide groove (4) has four sections projections, be respectively guide groove horizontal segment (L), guide groove promotes tilting section (T), guide groove projection horizontal segment (Q) and guide groove decline tilting section (X).