CN215110372U

CN215110372U - Conjugate cam mechanism

Info

Publication number: CN215110372U
Application number: CN202022799162.XU
Authority: CN
Inventors: 陈海平
Original assignee: Foshan Nanhai Lixing Machinery Factory
Current assignee: Foshan Nanhai Lixing Machinery Factory
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-12-10
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a conjugate cam mechanism, including the arc connecting plate, the first connecting piece of one end fixedly connected with of arc connecting plate, the other end fixedly connected with second connecting piece of arc connecting plate, the side of arc connecting plate is close to the fixed plate of the fixed position of first connecting piece one end, the intermediate position of arc connecting plate rotates and is connected with the location pivot, the position that lies in arc connecting plate one side in the location pivot rotates and is connected with the craspedodrome connecting plate, the one end fixedly connected with arc connector of craspedodrome connecting plate. The utility model discloses in, the input shaft rotates the rotation of driving first cam, second cam on the inflation cover to drive arc connecting plate and rectilinear connecting plate and be reciprocating motion round the location pivot, thereby realize the steady reciprocating motion of output pole output, and be provided with butterfly combination spring between arc connecting plate and rectilinear connecting plate, make certain impact force can be resisted to this device.

Description

Conjugate cam mechanism

Technical Field

The utility model relates to a manipulator auxiliary device technical field especially relates to conjugate cam mechanism.

Background

At present, the household appliance industry is competitive, and the quality requirement of products is higher and higher, so that higher requirements are provided for the processing quality of various accessories on the products, such as screws used on household appliance products. The existing requirements are that the screw has the characteristics of firm connection and high mechanical strength, and the requirements that the shape difference among individual screws is small and the attractiveness of the whole product is not influenced by the screw installation are also met.

The device is applied to a high-speed cold heading screw machine, is a conjugate cam mechanism for assisting a manipulator to work, is an intermittent motion mechanism, is suitable for a reciprocating motion device, and cannot resist impact force due to the fact that the existing conjugate cam mechanism is not stable enough in operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a conjugate cam mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: conjugate cam mechanism, including the arc connecting plate, the first connecting piece of one end fixedly connected with of arc connecting plate, the other end fixedly connected with second connecting piece of arc connecting plate, the side of arc connecting plate is close to the fixed plate of position fixedly connected with of first connecting piece one end, the intermediate position of arc connecting plate rotates and is connected with the location pivot, the position that lies in arc connecting plate one side in the location pivot rotates and is connected with the craspedodrome connecting plate, the one end fixedly connected with arc connector of craspedodrome connecting plate, the other end fixedly connected with third connecting piece of craspedodrome connecting plate, the lower extreme of third connecting piece is provided with the input shaft, fixedly connected with inflation cover on the input shaft.

As a further description of the above technical solution:

the inside of first connecting piece rotates and is connected with first pivot, rotate on the first pivot and be connected with the output lever.

As a further description of the above technical solution:

the inside of second connecting piece rotates and is connected with the second pivot, rotate in the second pivot and be connected with first gyro wheel.

As a further description of the above technical solution:

the inside of third connecting piece rotates and is connected with the third pivot, rotate in the third pivot and be connected with the second gyro wheel.

As a further description of the above technical solution:

the front end and the rear end of the outer side of the expansion sleeve are fixedly connected with a first cam and a second cam respectively, the first cam is in rolling connection with a second roller, and the second cam is in rolling connection with the first roller.

As a further description of the above technical solution:

the fixing plate is fixedly connected with a butterfly-shaped combined spring, and the lower end of the arc-shaped connector is fixedly connected with the upper end of the butterfly-shaped combined spring.

The utility model discloses following beneficial effect has:

1. this conjugate cam mechanism, when using, through the arc connecting plate that sets up, first connecting piece, first pivot, the output lever, the fixed plate, butterfly combination spring, the second connecting piece, the second pivot, first gyro wheel, the straight-going connecting plate, the arc connector, the third connecting piece, the input shaft, the inflation cover, the location pivot, first cam, the second cam, the third pivot, the second gyro wheel, the rotation of input shaft rotation drive inflation cover on the first cam, the rotation of second cam, thereby drive arc connecting plate and straight-going connecting plate and do reciprocating motion around the location pivot, thereby realize output lever output steady reciprocating motion, and be provided with butterfly combination spring between arc connecting plate and straight-going connecting plate, make this device can resist certain impact force.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention.

Illustration of the drawings:

1. an arc-shaped connecting plate; 2. a first connecting member; 3. a first rotating shaft; 4. an output rod; 5. a fixing plate; 6. a butterfly-shaped combined spring; 7. a second connecting member; 8. a second rotating shaft; 9. a first roller; 10. a straight connecting plate; 11. an arc-shaped connector; 12. a third connecting member; 13. an input shaft; 14. an expansion sleeve; 15. positioning the rotating shaft; 16. a first cam; 17. a second cam; 18. a third rotating shaft; 19. a second roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: conjugate cam mechanism, including arc connecting plate 1, its characterized in that: the one end fixedly connected with first connecting piece 2 of arc connecting plate 1, the other end fixedly connected with second connecting piece 7 of arc connecting plate 1, the side of arc connecting plate 1 is close to the fixed connection in position of 2 one ends of first connecting piece fixed plate 5, the intermediate position of arc connecting plate 1 rotates and is connected with location pivot 15, the position rotation that lies in 1 one side of arc connecting plate on the pivot 15 of location is connected with craspedodrome connecting plate 10, the one end fixedly connected with arc connector 11 of craspedodrome connecting plate 10, the other end fixedly connected with third connecting piece 12 of craspedodrome connecting plate 10, the lower extreme of third connecting piece 12 is provided with input shaft 13, fixedly connected with inflation cover 14 on the input shaft 13.

A first rotating shaft 3 is rotatably connected inside the first connecting piece 2, an output rod 4 is rotatably connected on the first rotating shaft 3, and the output rod 4 is rotatably connected with the first rotating shaft 3 and can adjust the movement direction of the output rod 4; a second rotating shaft 8 is rotatably connected inside the second connecting piece 7, and a first roller 9 is rotatably connected on the second rotating shaft 8; a third rotating shaft 18 is rotatably connected inside the third connecting piece 12, and a second roller 19 is rotatably connected on the third rotating shaft 18; the front end and the rear end of the outer side of the expansion sleeve 14 are fixedly connected with a first cam 16 and a second cam 17 respectively, the first cam 16 is in rolling connection with a second roller 19, the second cam 17 is in rolling connection with a first roller 9, when the input shaft 13 rotates, the first cam 16 and the second cam 17 on the expansion sleeve 14 can be driven to rotate, and the arc-shaped connecting plate 1 and the straight-going connecting plate 10 can be driven to reciprocate around the positioning rotating shaft 15 due to the rolling connection of the first cam 16 and the second roller 19 and the rolling connection of the second cam 17 and the first roller 9; the fixing plate 5 is fixedly connected with a butterfly combined spring 6, the lower end of the arc connector 11 is fixedly connected with the upper end of the butterfly combined spring 6, and the butterfly combined spring 6 is arranged between the arc connecting plate 1 and the straight connecting plate 10, so that the device can resist certain impact force.

The working principle is as follows: when the device is used, two ends of the positioning rotating shaft 15 are fixed, one end of the input shaft 13 is fixedly connected with the output end of the driving box, the driving box drives the input shaft 13 to rotate, so that the first cam 16 on the expansion sleeve 14 is driven, the second cam 17 rotates, because the first cam 16 is in rolling connection with the second idler wheel 19, the second cam 17 is in rolling connection with the first idler wheel 9, so that the arc-shaped connecting plate 1 and the straight connecting plate 10 are driven to do reciprocating motion around the positioning rotating shaft 15, the stable reciprocating motion of the output rod 4 is realized, and the butterfly combined spring 6 is arranged between the arc-shaped connecting plate 1 and the straight connecting plate 10, so that the device can resist certain impact force.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Conjugate cam mechanism, including arc connecting plate (1), its characterized in that: one end of the arc-shaped connecting plate (1) is fixedly connected with a first connecting piece (2), the other end of the arc-shaped connecting plate (1) is fixedly connected with a second connecting piece (7), a fixing plate (5) is fixedly connected at the position of the side surface of the arc-shaped connecting plate (1) close to one end of the first connecting piece (2), the middle position of the arc-shaped connecting plate (1) is rotationally connected with a positioning rotating shaft (15), a straight connecting plate (10) is rotatably connected to the position of the positioning rotating shaft (15) on one side of the arc-shaped connecting plate (1), one end of the straight connecting plate (10) is fixedly connected with an arc-shaped connector (11), the other end of the straight connecting plate (10) is fixedly connected with a third connecting piece (12), an input shaft (13) is arranged at the lower end of the third connecting piece (12), and an expansion sleeve (14) is fixedly connected to the input shaft (13).

2. The conjugate cam mechanism of claim 1, wherein: the inside of first connecting piece (2) rotates and is connected with first pivot (3), rotate on first pivot (3) and be connected with output lever (4).

3. The conjugate cam mechanism of claim 1, wherein: the inside of second connecting piece (7) is rotated and is connected with second pivot (8), rotate on second pivot (8) and be connected with first gyro wheel (9).

4. The conjugate cam mechanism of claim 1, wherein: the inside of third connecting piece (12) rotates and is connected with third pivot (18), rotate on third pivot (18) and be connected with second gyro wheel (19).

5. The conjugate cam mechanism of claim 1, wherein: the front end and the rear end of the outer side of the expansion sleeve (14) are fixedly connected with a first cam (16) and a second cam (17) respectively, the first cam (16) is in rolling connection with a second roller (19), and the second cam (17) is in rolling connection with a first roller (9).

6. The conjugate cam mechanism of claim 1, wherein: the fixing plate (5) is fixedly connected with a butterfly combined spring (6), and the lower end of the arc-shaped connector (11) is fixedly connected with the upper end of the butterfly combined spring (6).