CN112573119B - Reciprocating motion device - Google Patents
Reciprocating motion device Download PDFInfo
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- CN112573119B CN112573119B CN201910931106.6A CN201910931106A CN112573119B CN 112573119 B CN112573119 B CN 112573119B CN 201910931106 A CN201910931106 A CN 201910931106A CN 112573119 B CN112573119 B CN 112573119B
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- 230000033001 locomotion Effects 0.000 title claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 abstract description 21
- 241000208125 Nicotiana Species 0.000 description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 8
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000036544 posture Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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Abstract
The invention discloses a reciprocating motion device, wherein the interior of a rotating rigid body is hollow, an auxiliary shaft gear is fixedly arranged at the rear end of an auxiliary shaft, and the auxiliary shaft gear can drive the auxiliary shaft to rotate around an auxiliary axis and rotate around a main axis along with the rotating rigid body, so that the auxiliary shaft gear has autorotation and revolution; the inner gear ring fixedly arranged on the outer base of the rotating rigid body is meshed with the auxiliary shaft gear to form a set of auxiliary inner meshed gear transmission, and the auxiliary shaft can transmit the motion of the auxiliary shaft gear to the parallelogram mechanism in front to drive the pushing hand to move; the base gear is meshed with an outer ring gear of the rotating rigid body gear to form a set of external meshed gear transmission; the inner ring gear of the rotating rigid gear is meshed with the hollow shaft gear to form a set of main internal meshing gear transmission. The reciprocating motion device not only can enable the pushing hands to realize linear track motion of translational motion of pushing travel and return motion of arc track motion of changing posture, but also has compact structure, convenient adjustment and stable operation under high-speed working conditions.
Description
Technical Field
The invention relates to a mechanical device, in particular to a reciprocating motion device.
Background
In an automated production line, it is common to involve the transport and delivery of products, during which some reciprocating movements with stroke and trajectory requirements are required, which movements often have strict phase requirements.
There are many mechanisms for generating this type of motion profile: the single-degree-of-freedom link mechanism can only approximately realize the accurate positions of a straight line track or a certain point and cannot meet the accurate track requirement; the connecting rod mechanism with double degrees of freedom and the cam mechanism can realize the straight line section track and the return curve track, but the translation of the output gesture in the whole straight line section is difficult to ensure; the compound motion of the crank block and the cam link mechanism can be realized, but the whole mechanism requires too large space and is not suitable for high-speed motion.
In addition, with the development of industry 4.0, the tobacco packaging equipment is also increasingly pursued for intellectualization, and the equipment is often required to be capable of rapidly changing specifications, so that a device capable of generating the motion trail is also required to be more intelligent. However, the purely mechanical devices of the same type cannot meet the requirements of intelligent smoke machines, such as the patent ZL 99121560.5 and the patent ZL 2012 20236240.8, the pushing distance and the return path of which are fixed and cannot be adjusted at any time, and only a large number of parts can be replaced for adjustment, thus consuming a large amount of time and manpower.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the reciprocating motion device, which not only can enable the pushing hand to realize linear track motion of translational motion, but also has compact structure, convenient adjustment and stable operation under high-speed working conditions, and the return stroke is arc track motion of a variable posture.
In order to solve the technical problems, the invention provides a reciprocating motion device, which comprises a rotating rigid body 1 and a parallelogram mechanism 9;
The rotating rigid body 1 is formed with a cavity;
the rear part of the hollow shaft 3 is fixed in the cavity of the rotating rigid body 1 through a bearing;
the rear part of the auxiliary shaft 4 is fixed in the cavity of the rotating rigid body 1 through a bearing;
The rear part of the auxiliary shaft 4 is positioned at the rear side of the rear end of the hollow shaft 3, the auxiliary shaft 4 passes through the hollow shaft 3, and the front end of the auxiliary shaft 4 protrudes out of the front end of the hollow shaft 3;
the front end of the hollow shaft 3 protrudes to the front side of the rotating rigid body 1;
the auxiliary shaft gear 40 is fixedly arranged at the rear part of the auxiliary shaft 4 and protrudes out of the rotating rigid body 1;
The hollow shaft gear 30 is arranged in the cavity of the rotating rigid body 1 and is fixedly arranged at the rear part of the hollow shaft 3;
The rotating rigid body gear 10 is arranged on the rotating rigid body 1 through a bearing;
The rotating rigid body gear 10 is a ring gear, an inner ring gear 101 of the ring gear extends into the cavity of the rotating rigid body 1 and is meshed with the hollow shaft gear 30, and an outer ring gear 102 of the ring gear extends out of the rotating rigid body 1;
The base gear 51 is meshed with an outer ring gear 102 of the rotating rigid body gear 10;
the inner gear ring 6, the first servo motor 7 and the second servo motor 8 are all fixed on the base;
the inner gear ring 6 is arranged outside the rotating rigid body 1 and meshed with the auxiliary shaft gear 40;
the first servomotor 7 is used for driving the rotation rigid body 1 to rotate around the main axis 28;
The second servo motor 8 is used for driving the base gear 51 to rotate;
the first end of a frame 91 of the parallelogram mechanism 9 is sleeved outside the auxiliary shaft 4 and is fixed at the front end of the hollow shaft 3;
one end of a first crank 92 of the parallelogram mechanism 9 is fixedly connected to the front end of the auxiliary shaft 4, and the other end is hinged to the first end of a connecting rod 93 of the parallelogram mechanism 9;
one end of a second crank 94 of the parallelogram mechanism 9 is hinged to the second end of the connecting rod 93, and the other end is hinged to the second end of the frame 91 of the parallelogram mechanism 9;
the arm end of the pushing handle 52 is fixedly connected to a connecting rod 93 through a connecting shaft 53;
The axes of the hollow shaft 3, the hollow shaft gear 30, the auxiliary shaft 4, the auxiliary shaft gear 40 and the inner gear ring 6 are the auxiliary axis 21, and the auxiliary axis 21 is parallel to the main axis 28;
the axis of the rotating rigid body gear 10 is the primary axis 28.
Preferably, the length of the first crank 92 and the second crank 94 are equal to the distance L1 of the auxiliary axis 21 from the main axis 28.
Preferably, the third crank 95 has one end hinged to the third end of the link 93 of the parallelogram mechanism 9 and the other end hinged to the third end of the frame 91 of the parallelogram mechanism 9;
The length of the third crank 95 is equal to the lengths of the first crank 92 and the second crank 94, and the third crank 95 is parallel to the first crank 92 and the second crank 94.
Preferably, the arm end of the pushing handle 52 is fixedly connected to the first end of the connecting rod 93 through the connecting shaft 53;
The second servo motor 8 drives the base gear 51 to rotate through the coupling 54.
Preferably, the gear ratio of the inner gear ring 6 to the auxiliary shaft gear 40 is 2:1.
Preferably, the gear ratio of the inner ring gear 101 of the rotating rigid gear 10 to the hollow shaft gear 30 is 1.5-3.2: 1.
Preferably, the gear ratio of the inner ring gear 101 of the rotating rigid body gear 10 to the hollow shaft gear 30 is 2:1, a step of;
the gear ratio of the base gear 51 to the outer ring gear 102 of the rotating rigid body gear 10 is 1:3 to 6.4;
the frame 91 and the link 93 of the parallelogram mechanism 9 are parallel and of equal length.
Preferably, the first servo motor 7 is used for driving the rotating rigid body 1 to continuously rotate or swing reciprocally around the whole circumference of the main axis 28;
the second servo motor 8 is used to drive the base gear 51 to continuously rotate or oscillate reciprocally in synchronization with the rotation of the rigid body 1 throughout the entire circumference.
Preferably, the rotating rigid body 1 is formed by fixing a first rotating disc 17, a second rotating disc 18 and a third rotating disc 19 together through screws.
Preferably, one of the rotating rigid body gear 10 and the base gear 51 is a duplex gear;
one of the hollow shaft gear 30 and the rotary rigid body gear 10 is a duplex gear;
one of the auxiliary shaft gear 40 and the ring gear 6 is a double gear.
According to the reciprocating motion device, the inside of the rotating rigid body 1 is empty, the eccentric distance between the auxiliary axis 21 and the main axis 28 is L1, the auxiliary shaft gear 40 is fixedly arranged at the rear end of the auxiliary shaft 4, the auxiliary shaft gear 40 can drive the auxiliary shaft 4 to rotate around the auxiliary axis 21, the auxiliary shaft gear 40 rotates around the auxiliary axis 21 and follows the rotating rigid body 1 to rotate around the main axis 28, and therefore the auxiliary shaft gear 40 rotates and revolves. The inner gear ring 6 fixedly arranged on the outer base of the rotating rigid body 1 is meshed with the auxiliary shaft gear 40 to form a set of auxiliary inner gear transmission 22, and the auxiliary shaft 4 fixedly connected with the auxiliary shaft gear 40 can transmit the motion of the auxiliary shaft gear 40 to the parallelogram mechanism 9 in front to drive the pushing hands 52 to move. The annular rotating rigid body gear 10 is mounted on the rotating rigid body 1 through a bearing, and the base gear 51 is meshed with an outer ring gear 102 of the rotating rigid body gear 10 to form a set of external meshing gear transmission 23. The inner ring gear 101 of the rotating rigid body gear 10 is meshed with the hollow shaft gear 30 to form a set of main internal meshing gear transmission 24. The auxiliary inner meshing gear transmission 22 formed by meshing the inner gear ring 6 and the auxiliary shaft gear 40 can convert the rotary motion of the first servo motor 7 into reciprocating linear motion, and the motion of the second servo motor 8 is transmitted to the front parallelogram mechanism 9 through the hollow shaft 3 through the two-stage transmission of the outer meshing gear transmission 23 and the main inner meshing gear transmission 24. The first crank 92 of the parallelogram mechanism 9 controls the reciprocating motion of the pushing hand 8, the frame 91 of the parallelogram mechanism 9 controls the gesture of the pushing hand 8, and the two motions are combined, so that the pushing hand 8 can form a bread-shaped motion track in fig. 5. Through the motion law cooperation of two servo motors, the pushing hands 8 can produce a plurality of different motion tracks, and if other motion tracks are needed, the motion laws of the first servo motor 7 and the second servo motor 8 are only required to be adjusted. The reciprocating motion device not only can enable the pushing hands 8 to realize linear track motion of translational motion, but also can enable the pushing hands to return to arc track motion of changing postures, and has compact structure, convenient adjustment and stable operation under high-speed working conditions.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following brief description of the drawings is given for the purpose of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without the need for inventive work for a person skilled in the art.
FIG. 1 is an axial cross-sectional view of one embodiment of a single reciprocation device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a cross-sectional view B-B in FIG. 1;
FIG. 5 is a front view of an embodiment of a single reciprocation device of the present invention;
FIG. 6 is a schematic view of a parallelogram mechanism of an embodiment of the single-shuttle device of the present invention;
FIG. 7 is a side view of a duplex gear;
fig. 8 is a front view of a duplex gear.
Description of the reference numerals
1, Rotating a rigid body; 10, rotating a rigid gear; 101 rotating a rigid body gear inner ring gear; 102, rotating an outer ring gear of the rigid gear; 103 eccentric pins; 104 a first gear of the duplex gear; 105 a second gear of the double gear; 17 a first turntable; 18 a second turntable; 19 a third turntable; 3, a hollow shaft; 30 hollow shaft gears; 4, auxiliary shafts; 40 auxiliary shaft gears; 51 a base gear; pushing the hands 52; 53 connecting shafts; 54 a coupling; 6, an inner gear ring; 7, a first servo motor; 8, a second servo motor; a 21 auxiliary axis; 28 major axis; 22 auxiliary internal engaged gears are used for transmission; 23 external gear transmission; 24 main internal engaged gear transmission; 9a parallelogram mechanism; 91 a frame; 92 a first crank; 93 connecting rods; 94 a second crank; 95 third crank.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 5, the reciprocation device includes a rotating rigid body 1 and a parallelogram mechanism 9;
The rotating rigid body 1 is formed with a cavity;
the rear part of the hollow shaft 3 is fixed in the cavity of the rotating rigid body 1 through a bearing;
the rear part of the auxiliary shaft 4 is fixed in the cavity of the rotating rigid body 1 through a bearing;
The rear part of the auxiliary shaft 4 is positioned at the rear side of the rear end of the hollow shaft 3, the auxiliary shaft 4 passes through the hollow shaft 3, and the front end of the auxiliary shaft 4 protrudes out of the front end of the hollow shaft 3;
the front end of the hollow shaft 3 protrudes to the front side of the rotating rigid body 1;
the auxiliary shaft gear 40 is fixedly arranged at the rear part of the auxiliary shaft 4 and protrudes out of the rotating rigid body 1;
The hollow shaft gear 30 is arranged in the cavity of the rotating rigid body 1 and is fixedly arranged at the rear part of the hollow shaft 3;
The rotating rigid body gear 10 is arranged on the rotating rigid body 1 through a bearing;
The rotating rigid body gear 10 is a ring gear, an inner ring gear 101 of the ring gear extends into the cavity of the rotating rigid body 1 and is meshed with the hollow shaft gear 30, and an outer ring gear 102 of the ring gear extends out of the rotating rigid body 1;
The base gear 51 is meshed with an outer ring gear 102 of the rotating rigid body gear 10;
the inner gear ring 6, the first servo motor 7 and the second servo motor 8 are all fixed on the base;
the inner gear ring 6 is arranged outside the rotating rigid body 1 and meshed with the auxiliary shaft gear 40;
the first servomotor 7 is used for driving the rotation rigid body 1 to rotate around the main axis 28;
The second servo motor 8 is used for driving the base gear 51 to rotate;
the first end of a frame 91 of the parallelogram mechanism 9 is sleeved outside the auxiliary shaft 4 and is fixed at the front end of the hollow shaft 3;
As shown in fig. 5, one end of a first crank 92 of the parallelogram mechanism 9 is fixedly connected to the front end of the auxiliary shaft 4, and the other end is hinged to the first end of a connecting rod 93 of the parallelogram mechanism 9;
one end of a second crank 94 of the parallelogram mechanism 9 is hinged to the second end of the connecting rod 93, and the other end is hinged to the second end of the frame 91 of the parallelogram mechanism 9;
the arm end of the pushing handle 52 is fixedly connected to a connecting rod 93 through a connecting shaft 53;
The axes of the hollow shaft 3, the hollow shaft gear 30, the auxiliary shaft 4, the auxiliary shaft gear 40 and the inner gear ring 6 are the auxiliary axis 21, and the auxiliary axis 21 is parallel to the main axis 28;
the axis of the rotating rigid body gear 10 is the primary axis 28.
In the reciprocating device of the first embodiment, the inside of the rotating rigid body 1 is hollow, the eccentric distance between the auxiliary axis 21 and the main axis 28 is L1, the auxiliary shaft gear 40 is fixedly mounted at the rear end of the auxiliary shaft 4, the auxiliary shaft gear 40 can drive the auxiliary shaft 4 to rotate around the auxiliary axis 21, the auxiliary shaft gear 40 rotates around the auxiliary axis 21 and follows the rotating rigid body 1 to rotate around the main axis 28, and therefore the auxiliary shaft gear 40 rotates and revolves. As shown in fig. 3, the inner gear ring 6 fixedly installed on the outer base of the rotating rigid body 1 is meshed with the auxiliary shaft gear 40 to form a set of auxiliary inner gear transmission 22, and the auxiliary shaft 4 fixedly connected with the auxiliary shaft gear 40 can transmit the motion of the auxiliary shaft gear 40 to the parallelogram mechanism 9 in front to drive the pushing hands 52 to move. As shown in fig. 4, the annular rotating rigid body gear 10 is mounted on the rotating rigid body 1 through a bearing, and the base gear 51 is meshed with the outer ring gear 102 of the rotating rigid body gear 10 to form a set of external meshing gear transmission 23. The inner ring gear 101 of the rotating rigid body gear 10 is meshed with the hollow shaft gear 30 to form a set of main internal meshing gear transmission 24. The auxiliary inner meshing gear transmission 22 formed by meshing the inner gear ring 6 and the auxiliary shaft gear 40 can convert the rotary motion of the first servo motor 7 into reciprocating linear motion, and the motion of the second servo motor 8 is transmitted to the front parallelogram mechanism 9 through the hollow shaft 3 through the two-stage transmission of the outer meshing gear transmission 23 and the main inner meshing gear transmission 24. The parallelogram mechanism 9 is a plane link mechanism in a parallelogram shape, is a hinge four-bar mechanism and belongs to a double-crank mechanism according to the existence condition of a crank. The first crank 92 of the parallelogram mechanism 9 controls the reciprocating motion of the pushing hand 8, the frame 91 of the parallelogram mechanism 9 controls the gesture of the pushing hand 8, and the two motions are combined, so that the pushing hand 8 can form a bread-shaped motion track in fig. 5. Through the motion law cooperation of two servo motors, the pushing hands 8 can produce a plurality of different motion tracks, and if other motion tracks are needed, the motion laws of the first servo motor 7 and the second servo motor 8 are only required to be adjusted. The reciprocating motion device of the first embodiment not only can enable the pushing hands 8 to realize linear track motion of translational motion of pushing stroke, but also can enable the return stroke to be arc track motion of changing posture, and has compact structure, convenient adjustment and stable operation under high-speed working conditions.
The reciprocating motion device of the first embodiment can be applied to a tobacco packaging machine, and is used for conveying a tobacco packet from one working position to another working position of a production line, and the motion track of a tobacco packet pushing handle 8 is shown as a dotted line in fig. 1, so that the reciprocating pushing function requirement of the tobacco packet can be met, namely the tobacco packet is pushed to a specified position in a translational manner from a starting position, and can swing upwards by a certain angle in the process of returning to the starting position, and the tobacco packet moves back to the starting position in an arc track with a variable gesture, so that objects below the tobacco packet can be avoided. And when the specification of the cigarette packet is changed, the stroke and the track of the reciprocating motion of the pushing handle can be quickly changed by adjusting the phase relation of the two groups of servo motors, and any parts are not required to be replaced, so that the time is saved, and the cost is reduced.
Example two
According to the reciprocating device 2 of the first embodiment, as shown in fig. 6, the lengths L2 of the first crank 92 and the second crank 94 are equal to the distance L1 between the auxiliary axis 21 and the main axis 28.
Preferably, the third crank 95 has one end hinged to the third end of the link 93 of the parallelogram mechanism 9 and the other end hinged to the third end of the frame 91 of the parallelogram mechanism 9;
The length of the third crank 95 is equal to the lengths of the first crank 92 and the second crank 94, and the third crank 95 is parallel to the first crank 92 and the second crank 94.
The added third crank 95 ensures the stability of the parallelogram mechanism 9 beyond the singular point.
Example III
Based on the reciprocating device of the first embodiment, the arm end of the push hand 52 is fixedly connected to the first end of the link 93 through the connecting shaft 53.
Preferably, the second servo motor 8 drives the base gear 51 to rotate through the coupling 54.
Preferably, the rotating rigid body 1 is formed by fixing a first rotating disc 17, a second rotating disc 18 and a third rotating disc 19 together through screws. The first rotary disk 19 transmits the power of the first servo motor 7 to the rotating rigid body 1.
Example IV
Based on the reciprocating motion device of the first embodiment, the gear ratio of the inner gear ring 6 to the auxiliary shaft gear 40 is 2:1.
Preferably, the gear ratio of the inner ring gear 101 of the rotating rigid gear 10 to the hollow shaft gear 30 is 1.5-3.2: 1 (e.g., 2: 1);
The gear ratio of the base gear 51 to the outer ring gear 102 of the rotating rigid body gear 10 is 1:3 to 6.4.
Preferably, the frame 91 and the link 93 of the parallelogram mechanism 9 are parallel and of equal length.
In the reciprocating device of the fourth embodiment, the rotating rigid body 1 rotates one turn, and the auxiliary shaft gear 40 revolves one turn along with the rotating rigid body 1 and rotates two turns in the opposite direction.
Example five
Based on the reciprocating motion device of the first embodiment, the first servo motor 7 is used for driving the rotating rigid body 1 to continuously rotate or reciprocate around the whole circumference of the main axis 28;
the second servo motor 8 is used to drive the base gear 51 to continuously rotate or oscillate reciprocally in synchronization with the rotation of the rigid body 1 throughout the entire circumference.
In the reciprocating device of the fifth embodiment, the first servo motor 7 may continuously rotate throughout the entire circumference, or may oscillate reciprocally. The second servo motor 8 operates in accordance with the first servo motor 7, and the motion mode of the base gear 51 is in accordance with the rotation rigid body 1, namely, continuous rotation or reciprocating swing. The two movement modes depend on whether the travel distance of the device needs to be changed or not, and if the travel is a fixed value, the first servo motor 7 continuously moves in the whole circle, so that the overall performance of the motor is facilitated. If the stroke of the device needs to be changed, the first servomotor 7 oscillates back and forth within a certain angle.
Example six
As shown in fig. 7 and 8, the reciprocating motion device according to the first embodiment rotates the rigid gear 10 as a double gear.
Preferably, one of the rotating rigid body gear 10 and the base gear 51 is a duplex gear;
one of the hollow shaft gear 30 and the rotary rigid body gear 10 is a duplex gear;
one of the auxiliary shaft gear 40 and the ring gear 6 is a double gear.
When two gears which rotate coaxially are made together, the gears are called duplex gears, and the backlash of the duplex gears can be adjusted.
By rotating the eccentric pin 103, the angles of the two gears 104, 105 constituting the rotating rigid body gear 10 can be adjusted, thereby reducing the meshing backlash of the base gear 51 and the rotating rigid body gear 10 and improving the transmission accuracy.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.
Claims (10)
1. A reciprocating motion device, characterized in that it comprises a rotating rigid body (1) and a parallelogram mechanism (9);
The rotating rigid body (1) is provided with a cavity;
the rear part of the hollow shaft (3) is fixed in the cavity of the rotating rigid body (1) through a bearing;
the rear part of the auxiliary shaft (4) is fixed in a cavity of the rotating rigid body (1) through a bearing;
the rear part of the auxiliary shaft (4) is positioned at the rear side of the rear end of the hollow shaft (3), the auxiliary shaft (4) passes through the hollow shaft (3) and the front end of the auxiliary shaft (4) protrudes out of the front end of the hollow shaft (3);
The front end of the hollow shaft (3) protrudes to the front side of the rotating rigid body (1);
The auxiliary shaft gear (40) is fixedly arranged at the rear part of the auxiliary shaft (4) and protrudes out of the rotating rigid body (1);
the hollow shaft gear (30) is arranged in the cavity of the rotating rigid body (1) and is fixedly arranged at the rear part of the hollow shaft (3);
The rotating rigid body gear (10) is arranged on the rotating rigid body (1) through a bearing;
The rotating rigid body gear (10) is a ring gear, an inner ring gear (101) of the rotating rigid body gear stretches into a cavity of the rotating rigid body (1) and is meshed with the hollow shaft gear (30), and an outer ring gear (102) of the rotating rigid body gear stretches out of the rotating rigid body (1);
the base gear (51) is meshed with an outer ring gear (102) of the rotating rigid body gear (10);
the inner gear ring (6), the first servo motor (7) and the second servo motor (8) are all fixed on the base;
The inner gear ring (6) is arranged outside the rotating rigid body (1) and meshed with the auxiliary shaft gear (40);
the first servo motor (7) is used for driving the rotating rigid body (1) to rotate around a main axis (28);
the second servo motor (8) is used for driving the base gear (51) to rotate;
the first end of a frame (91) of the parallelogram mechanism (9) is sleeved outside the auxiliary shaft (4) and is fixed at the front end of the hollow shaft (3);
One end of a first crank (92) of the parallelogram mechanism (9) is fixedly connected with the front end of the auxiliary shaft (4), and the other end is hinged with the first end of a connecting rod (93) of the parallelogram mechanism (9);
one end of a second crank (94) of the parallelogram mechanism (9) is hinged to the second end of the connecting rod (93), and the other end of the second crank is hinged to the second end of the frame (91) of the parallelogram mechanism (9);
the arm end of the pushing handle (52) is fixedly connected with the connecting rod (93) through the connecting shaft (53);
The axes of the hollow shaft (3), the hollow shaft gear (30), the auxiliary shaft (4), the auxiliary shaft gear (40) and the inner gear ring (6) are the auxiliary axis (21), and the auxiliary axis (21) is parallel to the main axis (28);
The axis of the rotating rigid gear (10) is the main axis (28).
2. The reciprocating motion device according to claim 1, wherein,
The length of the first crank (92) and the second crank (94) are equal to the distance between the auxiliary axis (21) and the main axis (28).
3. The reciprocating motion device according to claim 2, wherein,
One end of a third crank (95) is hinged to the third end of a connecting rod (93) of the parallelogram mechanism (9), and the other end of the third crank is hinged to the third end of a frame (91) of the parallelogram mechanism (9);
The length of the third crank (95) is equal to the lengths of the first crank (92) and the second crank (94), and the third crank (95) is parallel to the first crank (92) and the second crank (94).
4. The reciprocating motion device according to claim 1, wherein,
The arm end of the pushing handle (52) is fixedly connected with the first end of the connecting rod (93) through the connecting shaft (53);
the second servo motor (8) drives the base gear (51) to rotate through the coupler 54.
5. The reciprocating motion device according to claim 1, wherein,
The gear ratio of the inner gear ring (6) and the auxiliary shaft gear (40) is 2:1.
6. The reciprocating motion device according to claim 5, wherein,
The gear ratio of the inner ring gear (101) of the rotating rigid body gear (10) to the hollow shaft gear (30) is 1.5-3.2: 1.
7. The reciprocating motion device according to claim 5, wherein,
The gear ratio of the inner ring gear (101) of the rotating rigid body gear (10) to the hollow shaft gear (30) is 2:1, a step of;
the gear ratio of the base gear (51) to the outer ring gear (102) of the rotating rigid gear (10) is 1:3 to 6.4;
the machine frame (91) and the connecting rod (93) of the parallelogram mechanism (9) are parallel and have equal lengths.
8. The reciprocating motion device according to claim 1, wherein,
The first servo motor (7) is used for driving the rotating rigid body (1) to continuously rotate or swing reciprocally around the whole circumference of the main axis (28);
the second servo motor (8) is used for driving the base gear (51) to continuously rotate or swing reciprocally in synchronization with the rotating rigid body (1) in whole circle.
9. The reciprocating motion device according to claim 1, wherein,
The rotating rigid body (1) is formed by fixedly connecting a first rotating disc (17), a second rotating disc (18) and a third rotating disc (19) together through screws.
10. The reciprocating motion device according to claim 1, wherein,
One of the rotating rigid body gear (10) and the base gear (51) is a duplex gear;
one of the hollow shaft gear (30) and the rotary rigid gear (10) is a duplex gear;
One of the auxiliary shaft gear (40) and the inner gear ring (6) is a duplex gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931106.6A CN112573119B (en) | 2019-09-29 | 2019-09-29 | Reciprocating motion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931106.6A CN112573119B (en) | 2019-09-29 | 2019-09-29 | Reciprocating motion device |
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| Publication Number | Publication Date |
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| CN112573119A CN112573119A (en) | 2021-03-30 |
| CN112573119B true CN112573119B (en) | 2024-08-20 |
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| CN201910931106.6A Active CN112573119B (en) | 2019-09-29 | 2019-09-29 | Reciprocating motion device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210654962U (en) * | 2019-09-29 | 2020-06-02 | 中烟机械技术中心有限责任公司 | Reciprocating motion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB232804A (en) * | 1924-06-02 | 1925-04-30 | John William Pitts | Improvements in or relating to mechanical movements for converting rotary into reciprocating motion |
| GB864890A (en) * | 1958-12-15 | 1961-04-12 | Heuze Malevez Et Simon Reunis | Equipment for moving from one level to another the units of mechanically operated conveyor tables |
| US4483654A (en) * | 1981-02-13 | 1984-11-20 | Lam Research Corporation | Workpiece transfer mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210654962U (en) * | 2019-09-29 | 2020-06-02 | 中烟机械技术中心有限责任公司 | Reciprocating motion device |
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